/* Graphical user interface functions for the Microsoft W32 API. Copyright (C) 1989, 92, 93, 94, 95, 1996, 1997, 1998, 1999 Free Software Foundation, Inc. This file is part of GNU Emacs. GNU Emacs is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. GNU Emacs is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GNU Emacs; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* Added by Kevin Gallo */ #include #include #include #include #include #include "lisp.h" #include "charset.h" #include "dispextern.h" #include "w32term.h" #include "frame.h" #include "window.h" #include "buffer.h" #include "fontset.h" #include "intervals.h" #include "keyboard.h" #include "blockinput.h" #include "epaths.h" #include "w32heap.h" #include "termhooks.h" #include "coding.h" #include "ccl.h" #include "systime.h" #include "bitmaps/gray.xbm" #include #include #include #define max(a, b) ((a) > (b) ? (a) : (b)) extern void free_frame_menubar (); extern double atof (); extern int w32_console_toggle_lock_key (int vk_code, Lisp_Object new_state); extern int quit_char; /* A definition of XColor for non-X frames. */ #ifndef HAVE_X_WINDOWS typedef struct { unsigned long pixel; unsigned short red, green, blue; char flags; char pad; } XColor; #endif extern char *lispy_function_keys[]; /* The gray bitmap `bitmaps/gray'. This is done because w32term.c uses it, and including `bitmaps/gray' more than once is a problem when config.h defines `static' as an empty replacement string. */ int gray_bitmap_width = gray_width; int gray_bitmap_height = gray_height; unsigned char *gray_bitmap_bits = gray_bits; /* The colormap for converting color names to RGB values */ Lisp_Object Vw32_color_map; /* Non nil if alt key presses are passed on to Windows. */ Lisp_Object Vw32_pass_alt_to_system; /* Non nil if alt key is translated to meta_modifier, nil if it is translated to alt_modifier. */ Lisp_Object Vw32_alt_is_meta; /* If non-zero, the windows virtual key code for an alternative quit key. */ Lisp_Object Vw32_quit_key; /* Non nil if left window key events are passed on to Windows (this only affects whether "tapping" the key opens the Start menu). */ Lisp_Object Vw32_pass_lwindow_to_system; /* Non nil if right window key events are passed on to Windows (this only affects whether "tapping" the key opens the Start menu). */ Lisp_Object Vw32_pass_rwindow_to_system; /* Virtual key code used to generate "phantom" key presses in order to stop system from acting on Windows key events. */ Lisp_Object Vw32_phantom_key_code; /* Modifier associated with the left "Windows" key, or nil to act as a normal key. */ Lisp_Object Vw32_lwindow_modifier; /* Modifier associated with the right "Windows" key, or nil to act as a normal key. */ Lisp_Object Vw32_rwindow_modifier; /* Modifier associated with the "Apps" key, or nil to act as a normal key. */ Lisp_Object Vw32_apps_modifier; /* Value is nil if Num Lock acts as a function key. */ Lisp_Object Vw32_enable_num_lock; /* Value is nil if Caps Lock acts as a function key. */ Lisp_Object Vw32_enable_caps_lock; /* Modifier associated with Scroll Lock, or nil to act as a normal key. */ Lisp_Object Vw32_scroll_lock_modifier; /* Switch to control whether we inhibit requests for synthesized bold and italic versions of fonts. */ Lisp_Object Vw32_enable_synthesized_fonts; /* Enable palette management. */ Lisp_Object Vw32_enable_palette; /* Control how close left/right button down events must be to be converted to a middle button down event. */ Lisp_Object Vw32_mouse_button_tolerance; /* Minimum interval between mouse movement (and scroll bar drag) events that are passed on to the event loop. */ Lisp_Object Vw32_mouse_move_interval; /* The name we're using in resource queries. */ Lisp_Object Vx_resource_name; /* Non nil if no window manager is in use. */ Lisp_Object Vx_no_window_manager; /* Non-zero means we're allowed to display a busy cursor. */ int display_busy_cursor_p; /* The background and shape of the mouse pointer, and shape when not over text or in the modeline. */ Lisp_Object Vx_pointer_shape, Vx_nontext_pointer_shape, Vx_mode_pointer_shape; Lisp_Object Vx_busy_pointer_shape; /* The shape when over mouse-sensitive text. */ Lisp_Object Vx_sensitive_text_pointer_shape; /* Color of chars displayed in cursor box. */ Lisp_Object Vx_cursor_fore_pixel; /* Nonzero if using Windows. */ static int w32_in_use; /* Search path for bitmap files. */ Lisp_Object Vx_bitmap_file_path; /* Regexp matching a font name whose width is the same as `PIXEL_SIZE'. */ Lisp_Object Vx_pixel_size_width_font_regexp; /* Alist of bdf fonts and the files that define them. */ Lisp_Object Vw32_bdf_filename_alist; Lisp_Object Vw32_system_coding_system; /* A flag to control whether fonts are matched strictly or not. */ int w32_strict_fontnames; /* A flag to control whether we should only repaint if GetUpdateRect indicates there is an update region. */ int w32_strict_painting; /* Associative list linking character set strings to Windows codepages. */ Lisp_Object Vw32_charset_info_alist; /* VIETNAMESE_CHARSET is not defined in some versions of MSVC. */ #ifndef VIETNAMESE_CHARSET #define VIETNAMESE_CHARSET 163 #endif /* Evaluate this expression to rebuild the section of syms_of_w32fns that initializes and staticpros the symbols declared below. Note that Emacs 18 has a bug that keeps C-x C-e from being able to evaluate this expression. (progn ;; Accumulate a list of the symbols we want to initialize from the ;; declarations at the top of the file. (goto-char (point-min)) (search-forward "/\*&&& symbols declared here &&&*\/\n") (let (symbol-list) (while (looking-at "Lisp_Object \\(Q[a-z_]+\\)") (setq symbol-list (cons (buffer-substring (match-beginning 1) (match-end 1)) symbol-list)) (forward-line 1)) (setq symbol-list (nreverse symbol-list)) ;; Delete the section of syms_of_... where we initialize the symbols. (search-forward "\n /\*&&& init symbols here &&&*\/\n") (let ((start (point))) (while (looking-at "^ Q") (forward-line 2)) (kill-region start (point))) ;; Write a new symbol initialization section. (while symbol-list (insert (format " %s = intern (\"" (car symbol-list))) (let ((start (point))) (insert (substring (car symbol-list) 1)) (subst-char-in-region start (point) ?_ ?-)) (insert (format "\");\n staticpro (&%s);\n" (car symbol-list))) (setq symbol-list (cdr symbol-list))))) */ /*&&& symbols declared here &&&*/ Lisp_Object Qauto_raise; Lisp_Object Qauto_lower; Lisp_Object Qbar; Lisp_Object Qborder_color; Lisp_Object Qborder_width; Lisp_Object Qbox; Lisp_Object Qcursor_color; Lisp_Object Qcursor_type; Lisp_Object Qgeometry; Lisp_Object Qicon_left; Lisp_Object Qicon_top; Lisp_Object Qicon_type; Lisp_Object Qicon_name; Lisp_Object Qinternal_border_width; Lisp_Object Qleft; Lisp_Object Qright; Lisp_Object Qmouse_color; Lisp_Object Qnone; Lisp_Object Qparent_id; Lisp_Object Qscroll_bar_width; Lisp_Object Qsuppress_icon; Lisp_Object Qundefined_color; Lisp_Object Qvertical_scroll_bars; Lisp_Object Qvisibility; Lisp_Object Qwindow_id; Lisp_Object Qx_frame_parameter; Lisp_Object Qx_resource_name; Lisp_Object Quser_position; Lisp_Object Quser_size; Lisp_Object Qscreen_gamma; Lisp_Object Qline_spacing; Lisp_Object Qcenter; Lisp_Object Qhyper; Lisp_Object Qsuper; Lisp_Object Qmeta; Lisp_Object Qalt; Lisp_Object Qctrl; Lisp_Object Qcontrol; Lisp_Object Qshift; Lisp_Object Qw32_charset_ansi; Lisp_Object Qw32_charset_default; Lisp_Object Qw32_charset_symbol; Lisp_Object Qw32_charset_shiftjis; Lisp_Object Qw32_charset_hangul; Lisp_Object Qw32_charset_gb2312; Lisp_Object Qw32_charset_chinesebig5; Lisp_Object Qw32_charset_oem; #ifndef JOHAB_CHARSET #define JOHAB_CHARSET 130 #endif #ifdef JOHAB_CHARSET Lisp_Object Qw32_charset_easteurope; Lisp_Object Qw32_charset_turkish; Lisp_Object Qw32_charset_baltic; Lisp_Object Qw32_charset_russian; Lisp_Object Qw32_charset_arabic; Lisp_Object Qw32_charset_greek; Lisp_Object Qw32_charset_hebrew; Lisp_Object Qw32_charset_thai; Lisp_Object Qw32_charset_johab; Lisp_Object Qw32_charset_mac; #endif #ifdef UNICODE_CHARSET Lisp_Object Qw32_charset_unicode; #endif extern Lisp_Object Qtop; extern Lisp_Object Qdisplay; extern Lisp_Object Qtool_bar_lines; /* State variables for emulating a three button mouse. */ #define LMOUSE 1 #define MMOUSE 2 #define RMOUSE 4 static int button_state = 0; static W32Msg saved_mouse_button_msg; static unsigned mouse_button_timer; /* non-zero when timer is active */ static W32Msg saved_mouse_move_msg; static unsigned mouse_move_timer; /* W95 mousewheel handler */ unsigned int msh_mousewheel = 0; #define MOUSE_BUTTON_ID 1 #define MOUSE_MOVE_ID 2 /* The below are defined in frame.c. */ extern Lisp_Object Qheight, Qminibuffer, Qname, Qonly, Qwidth; extern Lisp_Object Qunsplittable, Qmenu_bar_lines, Qbuffer_predicate, Qtitle; extern Lisp_Object Qtool_bar_lines; extern Lisp_Object Vwindow_system_version; Lisp_Object Qface_set_after_frame_default; /* From w32term.c. */ extern Lisp_Object Vw32_num_mouse_buttons; extern Lisp_Object Vw32_recognize_altgr; /* Error if we are not connected to MS-Windows. */ void check_w32 () { if (! w32_in_use) error ("MS-Windows not in use or not initialized"); } /* Nonzero if we can use mouse menus. You should not call this unless HAVE_MENUS is defined. */ int have_menus_p () { return w32_in_use; } /* Extract a frame as a FRAME_PTR, defaulting to the selected frame and checking validity for W32. */ FRAME_PTR check_x_frame (frame) Lisp_Object frame; { FRAME_PTR f; if (NILP (frame)) frame = selected_frame; CHECK_LIVE_FRAME (frame, 0); f = XFRAME (frame); if (! FRAME_W32_P (f)) error ("non-w32 frame used"); return f; } /* Let the user specify an display with a frame. nil stands for the selected frame--or, if that is not a w32 frame, the first display on the list. */ static struct w32_display_info * check_x_display_info (frame) Lisp_Object frame; { if (NILP (frame)) { struct frame *sf = XFRAME (selected_frame); if (FRAME_W32_P (sf) && FRAME_LIVE_P (sf)) return FRAME_W32_DISPLAY_INFO (sf); else return &one_w32_display_info; } else if (STRINGP (frame)) return x_display_info_for_name (frame); else { FRAME_PTR f; CHECK_LIVE_FRAME (frame, 0); f = XFRAME (frame); if (! FRAME_W32_P (f)) error ("non-w32 frame used"); return FRAME_W32_DISPLAY_INFO (f); } } /* Return the Emacs frame-object corresponding to an w32 window. It could be the frame's main window or an icon window. */ /* This function can be called during GC, so use GC_xxx type test macros. */ struct frame * x_window_to_frame (dpyinfo, wdesc) struct w32_display_info *dpyinfo; HWND wdesc; { Lisp_Object tail, frame; struct frame *f; for (tail = Vframe_list; GC_CONSP (tail); tail = XCDR (tail)) { frame = XCAR (tail); if (!GC_FRAMEP (frame)) continue; f = XFRAME (frame); if (!FRAME_W32_P (f) || FRAME_W32_DISPLAY_INFO (f) != dpyinfo) continue; if (f->output_data.w32->busy_window == wdesc) return f; /* NTEMACS_TODO: Check tooltips when supported. */ if (FRAME_W32_WINDOW (f) == wdesc) return f; } return 0; } /* Code to deal with bitmaps. Bitmaps are referenced by their bitmap id, which is just an int that this section returns. Bitmaps are reference counted so they can be shared among frames. Bitmap indices are guaranteed to be > 0, so a negative number can be used to indicate no bitmap. If you use x_create_bitmap_from_data, then you must keep track of the bitmaps yourself. That is, creating a bitmap from the same data more than once will not be caught. */ /* Functions to access the contents of a bitmap, given an id. */ int x_bitmap_height (f, id) FRAME_PTR f; int id; { return FRAME_W32_DISPLAY_INFO (f)->bitmaps[id - 1].height; } int x_bitmap_width (f, id) FRAME_PTR f; int id; { return FRAME_W32_DISPLAY_INFO (f)->bitmaps[id - 1].width; } int x_bitmap_pixmap (f, id) FRAME_PTR f; int id; { return (int) FRAME_W32_DISPLAY_INFO (f)->bitmaps[id - 1].pixmap; } /* Allocate a new bitmap record. Returns index of new record. */ static int x_allocate_bitmap_record (f) FRAME_PTR f; { struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); int i; if (dpyinfo->bitmaps == NULL) { dpyinfo->bitmaps_size = 10; dpyinfo->bitmaps = (struct w32_bitmap_record *) xmalloc (dpyinfo->bitmaps_size * sizeof (struct w32_bitmap_record)); dpyinfo->bitmaps_last = 1; return 1; } if (dpyinfo->bitmaps_last < dpyinfo->bitmaps_size) return ++dpyinfo->bitmaps_last; for (i = 0; i < dpyinfo->bitmaps_size; ++i) if (dpyinfo->bitmaps[i].refcount == 0) return i + 1; dpyinfo->bitmaps_size *= 2; dpyinfo->bitmaps = (struct w32_bitmap_record *) xrealloc (dpyinfo->bitmaps, dpyinfo->bitmaps_size * sizeof (struct w32_bitmap_record)); return ++dpyinfo->bitmaps_last; } /* Add one reference to the reference count of the bitmap with id ID. */ void x_reference_bitmap (f, id) FRAME_PTR f; int id; { ++FRAME_W32_DISPLAY_INFO (f)->bitmaps[id - 1].refcount; } /* Create a bitmap for frame F from a HEIGHT x WIDTH array of bits at BITS. */ int x_create_bitmap_from_data (f, bits, width, height) struct frame *f; char *bits; unsigned int width, height; { struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); Pixmap bitmap; int id; bitmap = CreateBitmap (width, height, FRAME_W32_DISPLAY_INFO (XFRAME (frame))->n_planes, FRAME_W32_DISPLAY_INFO (XFRAME (frame))->n_cbits, bits); if (! bitmap) return -1; id = x_allocate_bitmap_record (f); dpyinfo->bitmaps[id - 1].pixmap = bitmap; dpyinfo->bitmaps[id - 1].file = NULL; dpyinfo->bitmaps[id - 1].hinst = NULL; dpyinfo->bitmaps[id - 1].refcount = 1; dpyinfo->bitmaps[id - 1].depth = 1; dpyinfo->bitmaps[id - 1].height = height; dpyinfo->bitmaps[id - 1].width = width; return id; } /* Create bitmap from file FILE for frame F. */ int x_create_bitmap_from_file (f, file) struct frame *f; Lisp_Object file; { return -1; #if 0 /* NTEMACS_TODO : bitmap support */ struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); unsigned int width, height; HBITMAP bitmap; int xhot, yhot, result, id; Lisp_Object found; int fd; char *filename; HINSTANCE hinst; /* Look for an existing bitmap with the same name. */ for (id = 0; id < dpyinfo->bitmaps_last; ++id) { if (dpyinfo->bitmaps[id].refcount && dpyinfo->bitmaps[id].file && !strcmp (dpyinfo->bitmaps[id].file, (char *) XSTRING (file)->data)) { ++dpyinfo->bitmaps[id].refcount; return id + 1; } } /* Search bitmap-file-path for the file, if appropriate. */ fd = openp (Vx_bitmap_file_path, file, "", &found, 0); if (fd < 0) return -1; /* LoadLibraryEx won't handle special files handled by Emacs handler. */ if (fd == 0) return -1; emacs_close (fd); filename = (char *) XSTRING (found)->data; hinst = LoadLibraryEx (filename, NULL, LOAD_LIBRARY_AS_DATAFILE); if (hinst == NULL) return -1; result = XReadBitmapFile (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f), filename, &width, &height, &bitmap, &xhot, &yhot); if (result != BitmapSuccess) return -1; id = x_allocate_bitmap_record (f); dpyinfo->bitmaps[id - 1].pixmap = bitmap; dpyinfo->bitmaps[id - 1].refcount = 1; dpyinfo->bitmaps[id - 1].file = (char *) xmalloc (XSTRING (file)->size + 1); dpyinfo->bitmaps[id - 1].depth = 1; dpyinfo->bitmaps[id - 1].height = height; dpyinfo->bitmaps[id - 1].width = width; strcpy (dpyinfo->bitmaps[id - 1].file, XSTRING (file)->data); return id; #endif /* NTEMACS_TODO */ } /* Remove reference to bitmap with id number ID. */ void x_destroy_bitmap (f, id) FRAME_PTR f; int id; { struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); if (id > 0) { --dpyinfo->bitmaps[id - 1].refcount; if (dpyinfo->bitmaps[id - 1].refcount == 0) { BLOCK_INPUT; DeleteObject (dpyinfo->bitmaps[id - 1].pixmap); if (dpyinfo->bitmaps[id - 1].file) { xfree (dpyinfo->bitmaps[id - 1].file); dpyinfo->bitmaps[id - 1].file = NULL; } UNBLOCK_INPUT; } } } /* Free all the bitmaps for the display specified by DPYINFO. */ static void x_destroy_all_bitmaps (dpyinfo) struct w32_display_info *dpyinfo; { int i; for (i = 0; i < dpyinfo->bitmaps_last; i++) if (dpyinfo->bitmaps[i].refcount > 0) { DeleteObject (dpyinfo->bitmaps[i].pixmap); if (dpyinfo->bitmaps[i].file) xfree (dpyinfo->bitmaps[i].file); } dpyinfo->bitmaps_last = 0; } /* Connect the frame-parameter names for W32 frames to the ways of passing the parameter values to the window system. The name of a parameter, as a Lisp symbol, has an `x-frame-parameter' property which is an integer in Lisp but can be interpreted as an `enum x_frame_parm' in C. */ enum x_frame_parm { X_PARM_FOREGROUND_COLOR, X_PARM_BACKGROUND_COLOR, X_PARM_MOUSE_COLOR, X_PARM_CURSOR_COLOR, X_PARM_BORDER_COLOR, X_PARM_ICON_TYPE, X_PARM_FONT, X_PARM_BORDER_WIDTH, X_PARM_INTERNAL_BORDER_WIDTH, X_PARM_NAME, X_PARM_AUTORAISE, X_PARM_AUTOLOWER, X_PARM_VERT_SCROLL_BAR, X_PARM_VISIBILITY, X_PARM_MENU_BAR_LINES }; struct x_frame_parm_table { char *name; void (*setter) P_ ((struct frame *, Lisp_Object, Lisp_Object)); }; /* NTEMACS_TODO: Native Input Method support; see x_create_im. */ void x_set_foreground_color P_ ((struct frame *, Lisp_Object, Lisp_Object)); static void x_set_line_spacing P_ ((struct frame *, Lisp_Object, Lisp_Object)); void x_set_background_color P_ ((struct frame *, Lisp_Object, Lisp_Object)); void x_set_mouse_color P_ ((struct frame *, Lisp_Object, Lisp_Object)); void x_set_cursor_color P_ ((struct frame *, Lisp_Object, Lisp_Object)); void x_set_border_color P_ ((struct frame *, Lisp_Object, Lisp_Object)); void x_set_cursor_type P_ ((struct frame *, Lisp_Object, Lisp_Object)); void x_set_icon_type P_ ((struct frame *, Lisp_Object, Lisp_Object)); void x_set_icon_name P_ ((struct frame *, Lisp_Object, Lisp_Object)); void x_set_font P_ ((struct frame *, Lisp_Object, Lisp_Object)); void x_set_border_width P_ ((struct frame *, Lisp_Object, Lisp_Object)); void x_set_internal_border_width P_ ((struct frame *, Lisp_Object, Lisp_Object)); void x_explicitly_set_name P_ ((struct frame *, Lisp_Object, Lisp_Object)); void x_set_autoraise P_ ((struct frame *, Lisp_Object, Lisp_Object)); void x_set_autolower P_ ((struct frame *, Lisp_Object, Lisp_Object)); void x_set_vertical_scroll_bars P_ ((struct frame *, Lisp_Object, Lisp_Object)); void x_set_visibility P_ ((struct frame *, Lisp_Object, Lisp_Object)); void x_set_menu_bar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object)); void x_set_scroll_bar_width P_ ((struct frame *, Lisp_Object, Lisp_Object)); void x_set_title P_ ((struct frame *, Lisp_Object, Lisp_Object)); void x_set_unsplittable P_ ((struct frame *, Lisp_Object, Lisp_Object)); void x_set_tool_bar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object)); static void x_set_screen_gamma P_ ((struct frame *, Lisp_Object, Lisp_Object)); static struct x_frame_parm_table x_frame_parms[] = { "auto-raise", x_set_autoraise, "auto-lower", x_set_autolower, "background-color", x_set_background_color, "border-color", x_set_border_color, "border-width", x_set_border_width, "cursor-color", x_set_cursor_color, "cursor-type", x_set_cursor_type, "font", x_set_font, "foreground-color", x_set_foreground_color, "icon-name", x_set_icon_name, "icon-type", x_set_icon_type, "internal-border-width", x_set_internal_border_width, "menu-bar-lines", x_set_menu_bar_lines, "mouse-color", x_set_mouse_color, "name", x_explicitly_set_name, "scroll-bar-width", x_set_scroll_bar_width, "title", x_set_title, "unsplittable", x_set_unsplittable, "vertical-scroll-bars", x_set_vertical_scroll_bars, "visibility", x_set_visibility, "tool-bar-lines", x_set_tool_bar_lines, "screen-gamma", x_set_screen_gamma, "line-spacing", x_set_line_spacing }; /* Attach the `x-frame-parameter' properties to the Lisp symbol names of parameters relevant to W32. */ void init_x_parm_symbols () { int i; for (i = 0; i < sizeof (x_frame_parms) / sizeof (x_frame_parms[0]); i++) Fput (intern (x_frame_parms[i].name), Qx_frame_parameter, make_number (i)); } /* Change the parameters of frame F as specified by ALIST. If a parameter is not specially recognized, do nothing; otherwise call the `x_set_...' function for that parameter. */ void x_set_frame_parameters (f, alist) FRAME_PTR f; Lisp_Object alist; { Lisp_Object tail; /* If both of these parameters are present, it's more efficient to set them both at once. So we wait until we've looked at the entire list before we set them. */ int width, height; /* Same here. */ Lisp_Object left, top; /* Same with these. */ Lisp_Object icon_left, icon_top; /* Record in these vectors all the parms specified. */ Lisp_Object *parms; Lisp_Object *values; int i, p; int left_no_change = 0, top_no_change = 0; int icon_left_no_change = 0, icon_top_no_change = 0; struct gcpro gcpro1, gcpro2; i = 0; for (tail = alist; CONSP (tail); tail = Fcdr (tail)) i++; parms = (Lisp_Object *) alloca (i * sizeof (Lisp_Object)); values = (Lisp_Object *) alloca (i * sizeof (Lisp_Object)); /* Extract parm names and values into those vectors. */ i = 0; for (tail = alist; CONSP (tail); tail = Fcdr (tail)) { Lisp_Object elt; elt = Fcar (tail); parms[i] = Fcar (elt); values[i] = Fcdr (elt); i++; } /* TAIL and ALIST are not used again below here. */ alist = tail = Qnil; GCPRO2 (*parms, *values); gcpro1.nvars = i; gcpro2.nvars = i; /* There is no need to gcpro LEFT, TOP, ICON_LEFT, or ICON_TOP, because their values appear in VALUES and strings are not valid. */ top = left = Qunbound; icon_left = icon_top = Qunbound; /* Provide default values for HEIGHT and WIDTH. */ if (FRAME_NEW_WIDTH (f)) width = FRAME_NEW_WIDTH (f); else width = FRAME_WIDTH (f); if (FRAME_NEW_HEIGHT (f)) height = FRAME_NEW_HEIGHT (f); else height = FRAME_HEIGHT (f); /* Process foreground_color and background_color before anything else. They are independent of other properties, but other properties (e.g., cursor_color) are dependent upon them. */ for (p = 0; p < i; p++) { Lisp_Object prop, val; prop = parms[p]; val = values[p]; if (EQ (prop, Qforeground_color) || EQ (prop, Qbackground_color)) { register Lisp_Object param_index, old_value; param_index = Fget (prop, Qx_frame_parameter); old_value = get_frame_param (f, prop); store_frame_param (f, prop, val); if (NATNUMP (param_index) && (XFASTINT (param_index) < sizeof (x_frame_parms)/sizeof (x_frame_parms[0]))) (*x_frame_parms[XINT (param_index)].setter)(f, val, old_value); } } /* Now process them in reverse of specified order. */ for (i--; i >= 0; i--) { Lisp_Object prop, val; prop = parms[i]; val = values[i]; if (EQ (prop, Qwidth) && NUMBERP (val)) width = XFASTINT (val); else if (EQ (prop, Qheight) && NUMBERP (val)) height = XFASTINT (val); else if (EQ (prop, Qtop)) top = val; else if (EQ (prop, Qleft)) left = val; else if (EQ (prop, Qicon_top)) icon_top = val; else if (EQ (prop, Qicon_left)) icon_left = val; else if (EQ (prop, Qforeground_color) || EQ (prop, Qbackground_color)) /* Processed above. */ continue; else { register Lisp_Object param_index, old_value; param_index = Fget (prop, Qx_frame_parameter); old_value = get_frame_param (f, prop); store_frame_param (f, prop, val); if (NATNUMP (param_index) && (XFASTINT (param_index) < sizeof (x_frame_parms)/sizeof (x_frame_parms[0]))) (*x_frame_parms[XINT (param_index)].setter)(f, val, old_value); } } /* Don't die if just one of these was set. */ if (EQ (left, Qunbound)) { left_no_change = 1; if (f->output_data.w32->left_pos < 0) left = Fcons (Qplus, Fcons (make_number (f->output_data.w32->left_pos), Qnil)); else XSETINT (left, f->output_data.w32->left_pos); } if (EQ (top, Qunbound)) { top_no_change = 1; if (f->output_data.w32->top_pos < 0) top = Fcons (Qplus, Fcons (make_number (f->output_data.w32->top_pos), Qnil)); else XSETINT (top, f->output_data.w32->top_pos); } /* If one of the icon positions was not set, preserve or default it. */ if (EQ (icon_left, Qunbound) || ! INTEGERP (icon_left)) { icon_left_no_change = 1; icon_left = Fcdr (Fassq (Qicon_left, f->param_alist)); if (NILP (icon_left)) XSETINT (icon_left, 0); } if (EQ (icon_top, Qunbound) || ! INTEGERP (icon_top)) { icon_top_no_change = 1; icon_top = Fcdr (Fassq (Qicon_top, f->param_alist)); if (NILP (icon_top)) XSETINT (icon_top, 0); } /* Don't set these parameters unless they've been explicitly specified. The window might be mapped or resized while we're in this function, and we don't want to override that unless the lisp code has asked for it. Don't set these parameters unless they actually differ from the window's current parameters; the window may not actually exist yet. */ { Lisp_Object frame; check_frame_size (f, &height, &width); XSETFRAME (frame, f); if (width != FRAME_WIDTH (f) || height != FRAME_HEIGHT (f) || FRAME_NEW_HEIGHT (f) || FRAME_NEW_WIDTH (f)) Fset_frame_size (frame, make_number (width), make_number (height)); if ((!NILP (left) || !NILP (top)) && ! (left_no_change && top_no_change) && ! (NUMBERP (left) && XINT (left) == f->output_data.w32->left_pos && NUMBERP (top) && XINT (top) == f->output_data.w32->top_pos)) { int leftpos = 0; int toppos = 0; /* Record the signs. */ f->output_data.w32->size_hint_flags &= ~ (XNegative | YNegative); if (EQ (left, Qminus)) f->output_data.w32->size_hint_flags |= XNegative; else if (INTEGERP (left)) { leftpos = XINT (left); if (leftpos < 0) f->output_data.w32->size_hint_flags |= XNegative; } else if (CONSP (left) && EQ (XCAR (left), Qminus) && CONSP (XCDR (left)) && INTEGERP (XCAR (XCDR (left)))) { leftpos = - XINT (XCAR (XCDR (left))); f->output_data.w32->size_hint_flags |= XNegative; } else if (CONSP (left) && EQ (XCAR (left), Qplus) && CONSP (XCDR (left)) && INTEGERP (XCAR (XCDR (left)))) { leftpos = XINT (XCAR (XCDR (left))); } if (EQ (top, Qminus)) f->output_data.w32->size_hint_flags |= YNegative; else if (INTEGERP (top)) { toppos = XINT (top); if (toppos < 0) f->output_data.w32->size_hint_flags |= YNegative; } else if (CONSP (top) && EQ (XCAR (top), Qminus) && CONSP (XCDR (top)) && INTEGERP (XCAR (XCDR (top)))) { toppos = - XINT (XCAR (XCDR (top))); f->output_data.w32->size_hint_flags |= YNegative; } else if (CONSP (top) && EQ (XCAR (top), Qplus) && CONSP (XCDR (top)) && INTEGERP (XCAR (XCDR (top)))) { toppos = XINT (XCAR (XCDR (top))); } /* Store the numeric value of the position. */ f->output_data.w32->top_pos = toppos; f->output_data.w32->left_pos = leftpos; f->output_data.w32->win_gravity = NorthWestGravity; /* Actually set that position, and convert to absolute. */ x_set_offset (f, leftpos, toppos, -1); } if ((!NILP (icon_left) || !NILP (icon_top)) && ! (icon_left_no_change && icon_top_no_change)) x_wm_set_icon_position (f, XINT (icon_left), XINT (icon_top)); } UNGCPRO; } /* Store the screen positions of frame F into XPTR and YPTR. These are the positions of the containing window manager window, not Emacs's own window. */ void x_real_positions (f, xptr, yptr) FRAME_PTR f; int *xptr, *yptr; { POINT pt; { RECT rect; GetClientRect(FRAME_W32_WINDOW(f), &rect); AdjustWindowRect(&rect, f->output_data.w32->dwStyle, FRAME_EXTERNAL_MENU_BAR(f)); pt.x = rect.left; pt.y = rect.top; } ClientToScreen (FRAME_W32_WINDOW(f), &pt); *xptr = pt.x; *yptr = pt.y; } /* Insert a description of internally-recorded parameters of frame X into the parameter alist *ALISTPTR that is to be given to the user. Only parameters that are specific to W32 and whose values are not correctly recorded in the frame's param_alist need to be considered here. */ void x_report_frame_params (f, alistptr) struct frame *f; Lisp_Object *alistptr; { char buf[16]; Lisp_Object tem; /* Represent negative positions (off the top or left screen edge) in a way that Fmodify_frame_parameters will understand correctly. */ XSETINT (tem, f->output_data.w32->left_pos); if (f->output_data.w32->left_pos >= 0) store_in_alist (alistptr, Qleft, tem); else store_in_alist (alistptr, Qleft, Fcons (Qplus, Fcons (tem, Qnil))); XSETINT (tem, f->output_data.w32->top_pos); if (f->output_data.w32->top_pos >= 0) store_in_alist (alistptr, Qtop, tem); else store_in_alist (alistptr, Qtop, Fcons (Qplus, Fcons (tem, Qnil))); store_in_alist (alistptr, Qborder_width, make_number (f->output_data.w32->border_width)); store_in_alist (alistptr, Qinternal_border_width, make_number (f->output_data.w32->internal_border_width)); sprintf (buf, "%ld", (long) FRAME_W32_WINDOW (f)); store_in_alist (alistptr, Qwindow_id, build_string (buf)); store_in_alist (alistptr, Qicon_name, f->icon_name); FRAME_SAMPLE_VISIBILITY (f); store_in_alist (alistptr, Qvisibility, (FRAME_VISIBLE_P (f) ? Qt : FRAME_ICONIFIED_P (f) ? Qicon : Qnil)); store_in_alist (alistptr, Qdisplay, XCAR (FRAME_W32_DISPLAY_INFO (f)->name_list_element)); } DEFUN ("w32-define-rgb-color", Fw32_define_rgb_color, Sw32_define_rgb_color, 4, 4, 0, "Convert RGB numbers to a windows color reference and associate with NAME (a string).\n\ This adds or updates a named color to w32-color-map, making it available for use.\n\ The original entry's RGB ref is returned, or nil if the entry is new.") (red, green, blue, name) Lisp_Object red, green, blue, name; { Lisp_Object rgb; Lisp_Object oldrgb = Qnil; Lisp_Object entry; CHECK_NUMBER (red, 0); CHECK_NUMBER (green, 0); CHECK_NUMBER (blue, 0); CHECK_STRING (name, 0); XSET (rgb, Lisp_Int, RGB(XUINT (red), XUINT (green), XUINT (blue))); BLOCK_INPUT; /* replace existing entry in w32-color-map or add new entry. */ entry = Fassoc (name, Vw32_color_map); if (NILP (entry)) { entry = Fcons (name, rgb); Vw32_color_map = Fcons (entry, Vw32_color_map); } else { oldrgb = Fcdr (entry); Fsetcdr (entry, rgb); } UNBLOCK_INPUT; return (oldrgb); } DEFUN ("w32-load-color-file", Fw32_load_color_file, Sw32_load_color_file, 1, 1, 0, "Create an alist of color entries from an external file (ie. rgb.txt).\n\ Assign this value to w32-color-map to replace the existing color map.\n\ \ The file should define one named RGB color per line like so:\ R G B name\n\ where R,G,B are numbers between 0 and 255 and name is an arbitrary string.") (filename) Lisp_Object filename; { FILE *fp; Lisp_Object cmap = Qnil; Lisp_Object abspath; CHECK_STRING (filename, 0); abspath = Fexpand_file_name (filename, Qnil); fp = fopen (XSTRING (filename)->data, "rt"); if (fp) { char buf[512]; int red, green, blue; int num; BLOCK_INPUT; while (fgets (buf, sizeof (buf), fp) != NULL) { if (sscanf (buf, "%u %u %u %n", &red, &green, &blue, &num) == 3) { char *name = buf + num; num = strlen (name) - 1; if (name[num] == '\n') name[num] = 0; cmap = Fcons (Fcons (build_string (name), make_number (RGB (red, green, blue))), cmap); } } fclose (fp); UNBLOCK_INPUT; } return cmap; } /* The default colors for the w32 color map */ typedef struct colormap_t { char *name; COLORREF colorref; } colormap_t; colormap_t w32_color_map[] = { {"snow" , PALETTERGB (255,250,250)}, {"ghost white" , PALETTERGB (248,248,255)}, {"GhostWhite" , PALETTERGB (248,248,255)}, {"white smoke" , PALETTERGB (245,245,245)}, {"WhiteSmoke" , PALETTERGB (245,245,245)}, {"gainsboro" , PALETTERGB (220,220,220)}, {"floral white" , PALETTERGB (255,250,240)}, {"FloralWhite" , PALETTERGB (255,250,240)}, {"old lace" , PALETTERGB (253,245,230)}, {"OldLace" , PALETTERGB (253,245,230)}, {"linen" , PALETTERGB (250,240,230)}, {"antique white" , PALETTERGB (250,235,215)}, {"AntiqueWhite" , PALETTERGB (250,235,215)}, {"papaya whip" , PALETTERGB (255,239,213)}, {"PapayaWhip" , PALETTERGB (255,239,213)}, {"blanched almond" , PALETTERGB (255,235,205)}, {"BlanchedAlmond" , PALETTERGB (255,235,205)}, {"bisque" , PALETTERGB (255,228,196)}, {"peach puff" , PALETTERGB (255,218,185)}, {"PeachPuff" , PALETTERGB (255,218,185)}, {"navajo white" , PALETTERGB (255,222,173)}, {"NavajoWhite" , PALETTERGB (255,222,173)}, {"moccasin" , PALETTERGB (255,228,181)}, {"cornsilk" , PALETTERGB (255,248,220)}, {"ivory" , PALETTERGB (255,255,240)}, {"lemon chiffon" , PALETTERGB (255,250,205)}, {"LemonChiffon" , PALETTERGB (255,250,205)}, {"seashell" , PALETTERGB (255,245,238)}, {"honeydew" , PALETTERGB (240,255,240)}, {"mint cream" , PALETTERGB (245,255,250)}, {"MintCream" , PALETTERGB (245,255,250)}, {"azure" , PALETTERGB (240,255,255)}, {"alice blue" , PALETTERGB (240,248,255)}, {"AliceBlue" , PALETTERGB (240,248,255)}, {"lavender" , PALETTERGB (230,230,250)}, {"lavender blush" , PALETTERGB (255,240,245)}, {"LavenderBlush" , PALETTERGB (255,240,245)}, {"misty rose" , PALETTERGB (255,228,225)}, {"MistyRose" , PALETTERGB (255,228,225)}, {"white" , PALETTERGB (255,255,255)}, {"black" , PALETTERGB ( 0, 0, 0)}, {"dark slate gray" , PALETTERGB ( 47, 79, 79)}, {"DarkSlateGray" , PALETTERGB ( 47, 79, 79)}, {"dark slate grey" , PALETTERGB ( 47, 79, 79)}, {"DarkSlateGrey" , PALETTERGB ( 47, 79, 79)}, {"dim gray" , PALETTERGB (105,105,105)}, {"DimGray" , PALETTERGB (105,105,105)}, {"dim grey" , PALETTERGB (105,105,105)}, {"DimGrey" , PALETTERGB (105,105,105)}, {"slate gray" , PALETTERGB (112,128,144)}, {"SlateGray" , PALETTERGB (112,128,144)}, {"slate grey" , PALETTERGB (112,128,144)}, {"SlateGrey" , PALETTERGB (112,128,144)}, {"light slate gray" , PALETTERGB (119,136,153)}, {"LightSlateGray" , PALETTERGB (119,136,153)}, {"light slate grey" , PALETTERGB (119,136,153)}, {"LightSlateGrey" , PALETTERGB (119,136,153)}, {"gray" , PALETTERGB (190,190,190)}, {"grey" , PALETTERGB (190,190,190)}, {"light grey" , PALETTERGB (211,211,211)}, {"LightGrey" , PALETTERGB (211,211,211)}, {"light gray" , PALETTERGB (211,211,211)}, {"LightGray" , PALETTERGB (211,211,211)}, {"midnight blue" , PALETTERGB ( 25, 25,112)}, {"MidnightBlue" , PALETTERGB ( 25, 25,112)}, {"navy" , PALETTERGB ( 0, 0,128)}, {"navy blue" , PALETTERGB ( 0, 0,128)}, {"NavyBlue" , PALETTERGB ( 0, 0,128)}, {"cornflower blue" , PALETTERGB (100,149,237)}, {"CornflowerBlue" , PALETTERGB (100,149,237)}, {"dark slate blue" , PALETTERGB ( 72, 61,139)}, {"DarkSlateBlue" , PALETTERGB ( 72, 61,139)}, {"slate blue" , PALETTERGB (106, 90,205)}, {"SlateBlue" , PALETTERGB (106, 90,205)}, {"medium slate blue" , PALETTERGB (123,104,238)}, {"MediumSlateBlue" , PALETTERGB (123,104,238)}, {"light slate blue" , PALETTERGB (132,112,255)}, {"LightSlateBlue" , PALETTERGB (132,112,255)}, {"medium blue" , PALETTERGB ( 0, 0,205)}, {"MediumBlue" , PALETTERGB ( 0, 0,205)}, {"royal blue" , PALETTERGB ( 65,105,225)}, {"RoyalBlue" , PALETTERGB ( 65,105,225)}, {"blue" , PALETTERGB ( 0, 0,255)}, {"dodger blue" , PALETTERGB ( 30,144,255)}, {"DodgerBlue" , PALETTERGB ( 30,144,255)}, {"deep sky blue" , PALETTERGB ( 0,191,255)}, {"DeepSkyBlue" , PALETTERGB ( 0,191,255)}, {"sky blue" , PALETTERGB (135,206,235)}, {"SkyBlue" , PALETTERGB (135,206,235)}, {"light sky blue" , PALETTERGB (135,206,250)}, {"LightSkyBlue" , PALETTERGB (135,206,250)}, {"steel blue" , PALETTERGB ( 70,130,180)}, {"SteelBlue" , PALETTERGB ( 70,130,180)}, {"light steel blue" , PALETTERGB (176,196,222)}, {"LightSteelBlue" , PALETTERGB (176,196,222)}, {"light blue" , PALETTERGB (173,216,230)}, {"LightBlue" , PALETTERGB (173,216,230)}, {"powder blue" , PALETTERGB (176,224,230)}, {"PowderBlue" , PALETTERGB (176,224,230)}, {"pale turquoise" , PALETTERGB (175,238,238)}, {"PaleTurquoise" , PALETTERGB (175,238,238)}, {"dark turquoise" , PALETTERGB ( 0,206,209)}, {"DarkTurquoise" , PALETTERGB ( 0,206,209)}, {"medium turquoise" , PALETTERGB ( 72,209,204)}, {"MediumTurquoise" , PALETTERGB ( 72,209,204)}, {"turquoise" , PALETTERGB ( 64,224,208)}, {"cyan" , PALETTERGB ( 0,255,255)}, {"light cyan" , PALETTERGB (224,255,255)}, {"LightCyan" , PALETTERGB (224,255,255)}, {"cadet blue" , PALETTERGB ( 95,158,160)}, {"CadetBlue" , PALETTERGB ( 95,158,160)}, {"medium aquamarine" , PALETTERGB (102,205,170)}, {"MediumAquamarine" , PALETTERGB (102,205,170)}, {"aquamarine" , PALETTERGB (127,255,212)}, {"dark green" , PALETTERGB ( 0,100, 0)}, {"DarkGreen" , PALETTERGB ( 0,100, 0)}, {"dark olive green" , PALETTERGB ( 85,107, 47)}, {"DarkOliveGreen" , PALETTERGB ( 85,107, 47)}, {"dark sea green" , PALETTERGB (143,188,143)}, {"DarkSeaGreen" , PALETTERGB (143,188,143)}, {"sea green" , PALETTERGB ( 46,139, 87)}, {"SeaGreen" , PALETTERGB ( 46,139, 87)}, {"medium sea green" , PALETTERGB ( 60,179,113)}, {"MediumSeaGreen" , PALETTERGB ( 60,179,113)}, {"light sea green" , PALETTERGB ( 32,178,170)}, {"LightSeaGreen" , PALETTERGB ( 32,178,170)}, {"pale green" , PALETTERGB (152,251,152)}, {"PaleGreen" , PALETTERGB (152,251,152)}, {"spring green" , PALETTERGB ( 0,255,127)}, {"SpringGreen" , PALETTERGB ( 0,255,127)}, {"lawn green" , PALETTERGB (124,252, 0)}, {"LawnGreen" , PALETTERGB (124,252, 0)}, {"green" , PALETTERGB ( 0,255, 0)}, {"chartreuse" , PALETTERGB (127,255, 0)}, {"medium spring green" , PALETTERGB ( 0,250,154)}, {"MediumSpringGreen" , PALETTERGB ( 0,250,154)}, {"green yellow" , PALETTERGB (173,255, 47)}, {"GreenYellow" , PALETTERGB (173,255, 47)}, {"lime green" , PALETTERGB ( 50,205, 50)}, {"LimeGreen" , PALETTERGB ( 50,205, 50)}, {"yellow green" , PALETTERGB (154,205, 50)}, {"YellowGreen" , PALETTERGB (154,205, 50)}, {"forest green" , PALETTERGB ( 34,139, 34)}, {"ForestGreen" , PALETTERGB ( 34,139, 34)}, {"olive drab" , PALETTERGB (107,142, 35)}, {"OliveDrab" , PALETTERGB (107,142, 35)}, {"dark khaki" , PALETTERGB (189,183,107)}, {"DarkKhaki" , PALETTERGB (189,183,107)}, {"khaki" , PALETTERGB (240,230,140)}, {"pale goldenrod" , PALETTERGB (238,232,170)}, {"PaleGoldenrod" , PALETTERGB (238,232,170)}, {"light goldenrod yellow" , PALETTERGB (250,250,210)}, {"LightGoldenrodYellow" , PALETTERGB (250,250,210)}, {"light yellow" , PALETTERGB (255,255,224)}, {"LightYellow" , PALETTERGB (255,255,224)}, {"yellow" , PALETTERGB (255,255, 0)}, {"gold" , PALETTERGB (255,215, 0)}, {"light goldenrod" , PALETTERGB (238,221,130)}, {"LightGoldenrod" , PALETTERGB (238,221,130)}, {"goldenrod" , PALETTERGB (218,165, 32)}, {"dark goldenrod" , PALETTERGB (184,134, 11)}, {"DarkGoldenrod" , PALETTERGB (184,134, 11)}, {"rosy brown" , PALETTERGB (188,143,143)}, {"RosyBrown" , PALETTERGB (188,143,143)}, {"indian red" , PALETTERGB (205, 92, 92)}, {"IndianRed" , PALETTERGB (205, 92, 92)}, {"saddle brown" , PALETTERGB (139, 69, 19)}, {"SaddleBrown" , PALETTERGB (139, 69, 19)}, {"sienna" , PALETTERGB (160, 82, 45)}, {"peru" , PALETTERGB (205,133, 63)}, {"burlywood" , PALETTERGB (222,184,135)}, {"beige" , PALETTERGB (245,245,220)}, {"wheat" , PALETTERGB (245,222,179)}, {"sandy brown" , PALETTERGB (244,164, 96)}, {"SandyBrown" , PALETTERGB (244,164, 96)}, {"tan" , PALETTERGB (210,180,140)}, {"chocolate" , PALETTERGB (210,105, 30)}, {"firebrick" , PALETTERGB (178,34, 34)}, {"brown" , PALETTERGB (165,42, 42)}, {"dark salmon" , PALETTERGB (233,150,122)}, {"DarkSalmon" , PALETTERGB (233,150,122)}, {"salmon" , PALETTERGB (250,128,114)}, {"light salmon" , PALETTERGB (255,160,122)}, {"LightSalmon" , PALETTERGB (255,160,122)}, {"orange" , PALETTERGB (255,165, 0)}, {"dark orange" , PALETTERGB (255,140, 0)}, {"DarkOrange" , PALETTERGB (255,140, 0)}, {"coral" , PALETTERGB (255,127, 80)}, {"light coral" , PALETTERGB (240,128,128)}, {"LightCoral" , PALETTERGB (240,128,128)}, {"tomato" , PALETTERGB (255, 99, 71)}, {"orange red" , PALETTERGB (255, 69, 0)}, {"OrangeRed" , PALETTERGB (255, 69, 0)}, {"red" , PALETTERGB (255, 0, 0)}, {"hot pink" , PALETTERGB (255,105,180)}, {"HotPink" , PALETTERGB (255,105,180)}, {"deep pink" , PALETTERGB (255, 20,147)}, {"DeepPink" , PALETTERGB (255, 20,147)}, {"pink" , PALETTERGB (255,192,203)}, {"light pink" , PALETTERGB (255,182,193)}, {"LightPink" , PALETTERGB (255,182,193)}, {"pale violet red" , PALETTERGB (219,112,147)}, {"PaleVioletRed" , PALETTERGB (219,112,147)}, {"maroon" , PALETTERGB (176, 48, 96)}, {"medium violet red" , PALETTERGB (199, 21,133)}, {"MediumVioletRed" , PALETTERGB (199, 21,133)}, {"violet red" , PALETTERGB (208, 32,144)}, {"VioletRed" , PALETTERGB (208, 32,144)}, {"magenta" , PALETTERGB (255, 0,255)}, {"violet" , PALETTERGB (238,130,238)}, {"plum" , PALETTERGB (221,160,221)}, {"orchid" , PALETTERGB (218,112,214)}, {"medium orchid" , PALETTERGB (186, 85,211)}, {"MediumOrchid" , PALETTERGB (186, 85,211)}, {"dark orchid" , PALETTERGB (153, 50,204)}, {"DarkOrchid" , PALETTERGB (153, 50,204)}, {"dark violet" , PALETTERGB (148, 0,211)}, {"DarkViolet" , PALETTERGB (148, 0,211)}, {"blue violet" , PALETTERGB (138, 43,226)}, {"BlueViolet" , PALETTERGB (138, 43,226)}, {"purple" , PALETTERGB (160, 32,240)}, {"medium purple" , PALETTERGB (147,112,219)}, {"MediumPurple" , PALETTERGB (147,112,219)}, {"thistle" , PALETTERGB (216,191,216)}, {"gray0" , PALETTERGB ( 0, 0, 0)}, {"grey0" , PALETTERGB ( 0, 0, 0)}, {"dark grey" , PALETTERGB (169,169,169)}, {"DarkGrey" , PALETTERGB (169,169,169)}, {"dark gray" , PALETTERGB (169,169,169)}, {"DarkGray" , PALETTERGB (169,169,169)}, {"dark blue" , PALETTERGB ( 0, 0,139)}, {"DarkBlue" , PALETTERGB ( 0, 0,139)}, {"dark cyan" , PALETTERGB ( 0,139,139)}, {"DarkCyan" , PALETTERGB ( 0,139,139)}, {"dark magenta" , PALETTERGB (139, 0,139)}, {"DarkMagenta" , PALETTERGB (139, 0,139)}, {"dark red" , PALETTERGB (139, 0, 0)}, {"DarkRed" , PALETTERGB (139, 0, 0)}, {"light green" , PALETTERGB (144,238,144)}, {"LightGreen" , PALETTERGB (144,238,144)}, }; DEFUN ("w32-default-color-map", Fw32_default_color_map, Sw32_default_color_map, 0, 0, 0, "Return the default color map.") () { int i; colormap_t *pc = w32_color_map; Lisp_Object cmap; BLOCK_INPUT; cmap = Qnil; for (i = 0; i < sizeof (w32_color_map) / sizeof (w32_color_map[0]); pc++, i++) cmap = Fcons (Fcons (build_string (pc->name), make_number (pc->colorref)), cmap); UNBLOCK_INPUT; return (cmap); } Lisp_Object w32_to_x_color (rgb) Lisp_Object rgb; { Lisp_Object color; CHECK_NUMBER (rgb, 0); BLOCK_INPUT; color = Frassq (rgb, Vw32_color_map); UNBLOCK_INPUT; if (!NILP (color)) return (Fcar (color)); else return Qnil; } COLORREF w32_color_map_lookup (colorname) char *colorname; { Lisp_Object tail, ret = Qnil; BLOCK_INPUT; for (tail = Vw32_color_map; !NILP (tail); tail = Fcdr (tail)) { register Lisp_Object elt, tem; elt = Fcar (tail); if (!CONSP (elt)) continue; tem = Fcar (elt); if (lstrcmpi (XSTRING (tem)->data, colorname) == 0) { ret = XUINT (Fcdr (elt)); break; } QUIT; } UNBLOCK_INPUT; return ret; } COLORREF x_to_w32_color (colorname) char * colorname; { register Lisp_Object tail, ret = Qnil; BLOCK_INPUT; if (colorname[0] == '#') { /* Could be an old-style RGB Device specification. */ char *color; int size; color = colorname + 1; size = strlen(color); if (size == 3 || size == 6 || size == 9 || size == 12) { UINT colorval; int i, pos; pos = 0; size /= 3; colorval = 0; for (i = 0; i < 3; i++) { char *end; char t; unsigned long value; /* The check for 'x' in the following conditional takes into account the fact that strtol allows a "0x" in front of our numbers, and we don't. */ if (!isxdigit(color[0]) || color[1] == 'x') break; t = color[size]; color[size] = '\0'; value = strtoul(color, &end, 16); color[size] = t; if (errno == ERANGE || end - color != size) break; switch (size) { case 1: value = value * 0x10; break; case 2: break; case 3: value /= 0x10; break; case 4: value /= 0x100; break; } colorval |= (value << pos); pos += 0x8; if (i == 2) { UNBLOCK_INPUT; return (colorval); } color = end; } } } else if (strnicmp(colorname, "rgb:", 4) == 0) { char *color; UINT colorval; int i, pos; pos = 0; colorval = 0; color = colorname + 4; for (i = 0; i < 3; i++) { char *end; unsigned long value; /* The check for 'x' in the following conditional takes into account the fact that strtol allows a "0x" in front of our numbers, and we don't. */ if (!isxdigit(color[0]) || color[1] == 'x') break; value = strtoul(color, &end, 16); if (errno == ERANGE) break; switch (end - color) { case 1: value = value * 0x10 + value; break; case 2: break; case 3: value /= 0x10; break; case 4: value /= 0x100; break; default: value = ULONG_MAX; } if (value == ULONG_MAX) break; colorval |= (value << pos); pos += 0x8; if (i == 2) { if (*end != '\0') break; UNBLOCK_INPUT; return (colorval); } if (*end != '/') break; color = end + 1; } } else if (strnicmp(colorname, "rgbi:", 5) == 0) { /* This is an RGB Intensity specification. */ char *color; UINT colorval; int i, pos; pos = 0; colorval = 0; color = colorname + 5; for (i = 0; i < 3; i++) { char *end; double value; UINT val; value = strtod(color, &end); if (errno == ERANGE) break; if (value < 0.0 || value > 1.0) break; val = (UINT)(0x100 * value); /* We used 0x100 instead of 0xFF to give an continuous range between 0.0 and 1.0 inclusive. The next statement fixes the 1.0 case. */ if (val == 0x100) val = 0xFF; colorval |= (val << pos); pos += 0x8; if (i == 2) { if (*end != '\0') break; UNBLOCK_INPUT; return (colorval); } if (*end != '/') break; color = end + 1; } } /* I am not going to attempt to handle any of the CIE color schemes or TekHVC, since I don't know the algorithms for conversion to RGB. */ /* If we fail to lookup the color name in w32_color_map, then check the colorname to see if it can be crudely approximated: If the X color ends in a number (e.g., "darkseagreen2"), strip the number and return the result of looking up the base color name. */ ret = w32_color_map_lookup (colorname); if (NILP (ret)) { int len = strlen (colorname); if (isdigit (colorname[len - 1])) { char *ptr, *approx = alloca (len); strcpy (approx, colorname); ptr = &approx[len - 1]; while (ptr > approx && isdigit (*ptr)) *ptr-- = '\0'; ret = w32_color_map_lookup (approx); } } UNBLOCK_INPUT; return ret; } void w32_regenerate_palette (FRAME_PTR f) { struct w32_palette_entry * list; LOGPALETTE * log_palette; HPALETTE new_palette; int i; /* don't bother trying to create palette if not supported */ if (! FRAME_W32_DISPLAY_INFO (f)->has_palette) return; log_palette = (LOGPALETTE *) alloca (sizeof (LOGPALETTE) + FRAME_W32_DISPLAY_INFO (f)->num_colors * sizeof (PALETTEENTRY)); log_palette->palVersion = 0x300; log_palette->palNumEntries = FRAME_W32_DISPLAY_INFO (f)->num_colors; list = FRAME_W32_DISPLAY_INFO (f)->color_list; for (i = 0; i < FRAME_W32_DISPLAY_INFO (f)->num_colors; i++, list = list->next) log_palette->palPalEntry[i] = list->entry; new_palette = CreatePalette (log_palette); enter_crit (); if (FRAME_W32_DISPLAY_INFO (f)->palette) DeleteObject (FRAME_W32_DISPLAY_INFO (f)->palette); FRAME_W32_DISPLAY_INFO (f)->palette = new_palette; /* Realize display palette and garbage all frames. */ release_frame_dc (f, get_frame_dc (f)); leave_crit (); } #define W32_COLOR(pe) RGB (pe.peRed, pe.peGreen, pe.peBlue) #define SET_W32_COLOR(pe, color) \ do \ { \ pe.peRed = GetRValue (color); \ pe.peGreen = GetGValue (color); \ pe.peBlue = GetBValue (color); \ pe.peFlags = 0; \ } while (0) #if 0 /* Keep these around in case we ever want to track color usage. */ void w32_map_color (FRAME_PTR f, COLORREF color) { struct w32_palette_entry * list = FRAME_W32_DISPLAY_INFO (f)->color_list; if (NILP (Vw32_enable_palette)) return; /* check if color is already mapped */ while (list) { if (W32_COLOR (list->entry) == color) { ++list->refcount; return; } list = list->next; } /* not already mapped, so add to list and recreate Windows palette */ list = (struct w32_palette_entry *) xmalloc (sizeof (struct w32_palette_entry)); SET_W32_COLOR (list->entry, color); list->refcount = 1; list->next = FRAME_W32_DISPLAY_INFO (f)->color_list; FRAME_W32_DISPLAY_INFO (f)->color_list = list; FRAME_W32_DISPLAY_INFO (f)->num_colors++; /* set flag that palette must be regenerated */ FRAME_W32_DISPLAY_INFO (f)->regen_palette = TRUE; } void w32_unmap_color (FRAME_PTR f, COLORREF color) { struct w32_palette_entry * list = FRAME_W32_DISPLAY_INFO (f)->color_list; struct w32_palette_entry **prev = &FRAME_W32_DISPLAY_INFO (f)->color_list; if (NILP (Vw32_enable_palette)) return; /* check if color is already mapped */ while (list) { if (W32_COLOR (list->entry) == color) { if (--list->refcount == 0) { *prev = list->next; xfree (list); FRAME_W32_DISPLAY_INFO (f)->num_colors--; break; } else return; } prev = &list->next; list = list->next; } /* set flag that palette must be regenerated */ FRAME_W32_DISPLAY_INFO (f)->regen_palette = TRUE; } #endif /* Gamma-correct COLOR on frame F. */ void gamma_correct (f, color) struct frame *f; COLORREF *color; { if (f->gamma) { *color = PALETTERGB ( pow (GetRValue (*color) / 255.0, f->gamma) * 255.0 + 0.5, pow (GetGValue (*color) / 255.0, f->gamma) * 255.0 + 0.5, pow (GetBValue (*color) / 255.0, f->gamma) * 255.0 + 0.5); } } /* Decide if color named COLOR is valid for the display associated with the selected frame; if so, return the rgb values in COLOR_DEF. If ALLOC is nonzero, allocate a new colormap cell. */ int w32_defined_color (f, color, color_def, alloc) FRAME_PTR f; char *color; XColor *color_def; int alloc; { register Lisp_Object tem; COLORREF w32_color_ref; tem = x_to_w32_color (color); if (!NILP (tem)) { if (f) { /* Apply gamma correction. */ w32_color_ref = XUINT (tem); gamma_correct (f, &w32_color_ref); XSETINT (tem, w32_color_ref); } /* Map this color to the palette if it is enabled. */ if (!NILP (Vw32_enable_palette)) { struct w32_palette_entry * entry = one_w32_display_info.color_list; struct w32_palette_entry ** prev = &one_w32_display_info.color_list; /* check if color is already mapped */ while (entry) { if (W32_COLOR (entry->entry) == XUINT (tem)) break; prev = &entry->next; entry = entry->next; } if (entry == NULL && alloc) { /* not already mapped, so add to list */ entry = (struct w32_palette_entry *) xmalloc (sizeof (struct w32_palette_entry)); SET_W32_COLOR (entry->entry, XUINT (tem)); entry->next = NULL; *prev = entry; one_w32_display_info.num_colors++; /* set flag that palette must be regenerated */ one_w32_display_info.regen_palette = TRUE; } } /* Ensure COLORREF value is snapped to nearest color in (default) palette by simulating the PALETTERGB macro. This works whether or not the display device has a palette. */ w32_color_ref = XUINT (tem) | 0x2000000; color_def->pixel = w32_color_ref; color_def->red = GetRValue (w32_color_ref); color_def->green = GetGValue (w32_color_ref); color_def->blue = GetBValue (w32_color_ref); return 1; } else { return 0; } } /* Given a string ARG naming a color, compute a pixel value from it suitable for screen F. If F is not a color screen, return DEF (default) regardless of what ARG says. */ int x_decode_color (f, arg, def) FRAME_PTR f; Lisp_Object arg; int def; { XColor cdef; CHECK_STRING (arg, 0); if (strcmp (XSTRING (arg)->data, "black") == 0) return BLACK_PIX_DEFAULT (f); else if (strcmp (XSTRING (arg)->data, "white") == 0) return WHITE_PIX_DEFAULT (f); if ((FRAME_W32_DISPLAY_INFO (f)->n_planes * FRAME_W32_DISPLAY_INFO (f)->n_cbits) == 1) return def; /* w32_defined_color is responsible for coping with failures by looking for a near-miss. */ if (w32_defined_color (f, XSTRING (arg)->data, &cdef, 1)) return cdef.pixel; /* defined_color failed; return an ultimate default. */ return def; } /* Change the `line-spacing' frame parameter of frame F. OLD_VALUE is the previous value of that parameter, NEW_VALUE is the new value. */ static void x_set_line_spacing (f, new_value, old_value) struct frame *f; Lisp_Object new_value, old_value; { if (NILP (new_value)) f->extra_line_spacing = 0; else if (NATNUMP (new_value)) f->extra_line_spacing = XFASTINT (new_value); else Fsignal (Qerror, Fcons (build_string ("Invalid line-spacing"), Fcons (new_value, Qnil))); if (FRAME_VISIBLE_P (f)) redraw_frame (f); } /* Change the `screen-gamma' frame parameter of frame F. OLD_VALUE is the previous value of that parameter, NEW_VALUE is the new value. */ static void x_set_screen_gamma (f, new_value, old_value) struct frame *f; Lisp_Object new_value, old_value; { if (NILP (new_value)) f->gamma = 0; else if (NUMBERP (new_value) && XFLOATINT (new_value) > 0) /* The value 0.4545 is the normal viewing gamma. */ f->gamma = 1.0 / (0.4545 * XFLOATINT (new_value)); else Fsignal (Qerror, Fcons (build_string ("Invalid screen-gamma"), Fcons (new_value, Qnil))); clear_face_cache (0); } /* Functions called only from `x_set_frame_param' to set individual parameters. If FRAME_W32_WINDOW (f) is 0, the frame is being created and its window does not exist yet. In that case, just record the parameter's new value in the standard place; do not attempt to change the window. */ void x_set_foreground_color (f, arg, oldval) struct frame *f; Lisp_Object arg, oldval; { FRAME_FOREGROUND_PIXEL (f) = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f)); if (FRAME_W32_WINDOW (f) != 0) { update_face_from_frame_parameter (f, Qforeground_color, arg); if (FRAME_VISIBLE_P (f)) redraw_frame (f); } } void x_set_background_color (f, arg, oldval) struct frame *f; Lisp_Object arg, oldval; { FRAME_BACKGROUND_PIXEL (f) = x_decode_color (f, arg, WHITE_PIX_DEFAULT (f)); if (FRAME_W32_WINDOW (f) != 0) { SetWindowLong (FRAME_W32_WINDOW (f), WND_BACKGROUND_INDEX, FRAME_BACKGROUND_PIXEL (f)); update_face_from_frame_parameter (f, Qbackground_color, arg); if (FRAME_VISIBLE_P (f)) redraw_frame (f); } } void x_set_mouse_color (f, arg, oldval) struct frame *f; Lisp_Object arg, oldval; { Cursor cursor, nontext_cursor, mode_cursor, cross_cursor; int count; int mask_color; if (!EQ (Qnil, arg)) f->output_data.w32->mouse_pixel = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f)); mask_color = FRAME_BACKGROUND_PIXEL (f); /* Don't let pointers be invisible. */ if (mask_color == f->output_data.w32->mouse_pixel && mask_color == FRAME_BACKGROUND_PIXEL (f)) f->output_data.w32->mouse_pixel = FRAME_FOREGROUND_PIXEL (f); #if 0 /* NTEMACS_TODO : cursor changes */ BLOCK_INPUT; /* It's not okay to crash if the user selects a screwy cursor. */ count = x_catch_errors (FRAME_W32_DISPLAY (f)); if (!EQ (Qnil, Vx_pointer_shape)) { CHECK_NUMBER (Vx_pointer_shape, 0); cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f), XINT (Vx_pointer_shape)); } else cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f), XC_xterm); x_check_errors (FRAME_W32_DISPLAY (f), "bad text pointer cursor: %s"); if (!EQ (Qnil, Vx_nontext_pointer_shape)) { CHECK_NUMBER (Vx_nontext_pointer_shape, 0); nontext_cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f), XINT (Vx_nontext_pointer_shape)); } else nontext_cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f), XC_left_ptr); x_check_errors (FRAME_W32_DISPLAY (f), "bad nontext pointer cursor: %s"); if (!EQ (Qnil, Vx_busy_pointer_shape)) { CHECK_NUMBER (Vx_busy_pointer_shape, 0); busy_cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f), XINT (Vx_busy_pointer_shape)); } else busy_cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f), XC_watch); x_check_errors (FRAME_W32_DISPLAY (f), "bad busy pointer cursor: %s"); x_check_errors (FRAME_W32_DISPLAY (f), "bad nontext pointer cursor: %s"); if (!EQ (Qnil, Vx_mode_pointer_shape)) { CHECK_NUMBER (Vx_mode_pointer_shape, 0); mode_cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f), XINT (Vx_mode_pointer_shape)); } else mode_cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f), XC_xterm); x_check_errors (FRAME_W32_DISPLAY (f), "bad modeline pointer cursor: %s"); if (!EQ (Qnil, Vx_sensitive_text_pointer_shape)) { CHECK_NUMBER (Vx_sensitive_text_pointer_shape, 0); cross_cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f), XINT (Vx_sensitive_text_pointer_shape)); } else cross_cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f), XC_crosshair); /* Check and report errors with the above calls. */ x_check_errors (FRAME_W32_DISPLAY (f), "can't set cursor shape: %s"); x_uncatch_errors (FRAME_W32_DISPLAY (f), count); { XColor fore_color, back_color; fore_color.pixel = f->output_data.w32->mouse_pixel; back_color.pixel = mask_color; XQueryColor (FRAME_W32_DISPLAY (f), DefaultColormap (FRAME_W32_DISPLAY (f), DefaultScreen (FRAME_W32_DISPLAY (f))), &fore_color); XQueryColor (FRAME_W32_DISPLAY (f), DefaultColormap (FRAME_W32_DISPLAY (f), DefaultScreen (FRAME_W32_DISPLAY (f))), &back_color); XRecolorCursor (FRAME_W32_DISPLAY (f), cursor, &fore_color, &back_color); XRecolorCursor (FRAME_W32_DISPLAY (f), nontext_cursor, &fore_color, &back_color); XRecolorCursor (FRAME_W32_DISPLAY (f), mode_cursor, &fore_color, &back_color); XRecolorCursor (FRAME_W32_DISPLAY (f), cross_cursor, &fore_color, &back_color); XRecolorCursor (FRAME_W32_DISPLAY (f), busy_cursor, &fore_color, &back_color); } if (FRAME_W32_WINDOW (f) != 0) XDefineCursor (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f), cursor); if (cursor != f->output_data.w32->text_cursor && f->output_data.w32->text_cursor != 0) XFreeCursor (FRAME_W32_DISPLAY (f), f->output_data.w32->text_cursor); f->output_data.w32->text_cursor = cursor; if (nontext_cursor != f->output_data.w32->nontext_cursor && f->output_data.w32->nontext_cursor != 0) XFreeCursor (FRAME_W32_DISPLAY (f), f->output_data.w32->nontext_cursor); f->output_data.w32->nontext_cursor = nontext_cursor; if (busy_cursor != f->output_data.w32->busy_cursor && f->output_data.w32->busy_cursor != 0) XFreeCursor (FRAME_W32_DISPLAY (f), f->output_data.w32->busy_cursor); f->output_data.w32->busy_cursor = busy_cursor; if (mode_cursor != f->output_data.w32->modeline_cursor && f->output_data.w32->modeline_cursor != 0) XFreeCursor (FRAME_W32_DISPLAY (f), f->output_data.w32->modeline_cursor); f->output_data.w32->modeline_cursor = mode_cursor; if (cross_cursor != f->output_data.w32->cross_cursor && f->output_data.w32->cross_cursor != 0) XFreeCursor (FRAME_W32_DISPLAY (f), f->output_data.w32->cross_cursor); f->output_data.w32->cross_cursor = cross_cursor; XFlush (FRAME_W32_DISPLAY (f)); UNBLOCK_INPUT; update_face_from_frame_parameter (f, Qmouse_color, arg); #endif /* NTEMACS_TODO */ } void x_set_cursor_color (f, arg, oldval) struct frame *f; Lisp_Object arg, oldval; { unsigned long fore_pixel; if (!NILP (Vx_cursor_fore_pixel)) fore_pixel = x_decode_color (f, Vx_cursor_fore_pixel, WHITE_PIX_DEFAULT (f)); else fore_pixel = FRAME_BACKGROUND_PIXEL (f); f->output_data.w32->cursor_pixel = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f)); /* Make sure that the cursor color differs from the background color. */ if (f->output_data.w32->cursor_pixel == FRAME_BACKGROUND_PIXEL (f)) { f->output_data.w32->cursor_pixel = f->output_data.w32->mouse_pixel; if (f->output_data.w32->cursor_pixel == fore_pixel) fore_pixel = FRAME_BACKGROUND_PIXEL (f); } FRAME_FOREGROUND_PIXEL (f) = fore_pixel; if (FRAME_W32_WINDOW (f) != 0) { if (FRAME_VISIBLE_P (f)) { x_display_cursor (f, 0); x_display_cursor (f, 1); } } update_face_from_frame_parameter (f, Qcursor_color, arg); } /* Set the border-color of frame F to pixel value PIX. Note that this does not fully take effect if done before F has an window. */ void x_set_border_pixel (f, pix) struct frame *f; int pix; { f->output_data.w32->border_pixel = pix; if (FRAME_W32_WINDOW (f) != 0 && f->output_data.w32->border_width > 0) { if (FRAME_VISIBLE_P (f)) redraw_frame (f); } } /* Set the border-color of frame F to value described by ARG. ARG can be a string naming a color. The border-color is used for the border that is drawn by the server. Note that this does not fully take effect if done before F has a window; it must be redone when the window is created. */ void x_set_border_color (f, arg, oldval) struct frame *f; Lisp_Object arg, oldval; { int pix; CHECK_STRING (arg, 0); pix = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f)); x_set_border_pixel (f, pix); update_face_from_frame_parameter (f, Qborder_color, arg); } /* Value is the internal representation of the specified cursor type ARG. If type is BAR_CURSOR, return in *WIDTH the specified width of the bar cursor. */ enum text_cursor_kinds x_specified_cursor_type (arg, width) Lisp_Object arg; int *width; { enum text_cursor_kinds type; if (EQ (arg, Qbar)) { type = BAR_CURSOR; *width = 2; } else if (CONSP (arg) && EQ (XCAR (arg), Qbar) && INTEGERP (XCDR (arg)) && XINT (XCDR (arg)) >= 0) { type = BAR_CURSOR; *width = XINT (XCDR (arg)); } else if (NILP (arg)) type = NO_CURSOR; else /* Treat anything unknown as "box cursor". It was bad to signal an error; people have trouble fixing .Xdefaults with Emacs, when it has something bad in it. */ type = FILLED_BOX_CURSOR; return type; } void x_set_cursor_type (f, arg, oldval) FRAME_PTR f; Lisp_Object arg, oldval; { int width; FRAME_DESIRED_CURSOR (f) = x_specified_cursor_type (arg, &width); f->output_data.w32->cursor_width = width; /* Make sure the cursor gets redrawn. This is overkill, but how often do people change cursor types? */ update_mode_lines++; } void x_set_icon_type (f, arg, oldval) struct frame *f; Lisp_Object arg, oldval; { int result; if (NILP (arg) && NILP (oldval)) return; if (STRINGP (arg) && STRINGP (oldval) && EQ (Fstring_equal (oldval, arg), Qt)) return; if (SYMBOLP (arg) && SYMBOLP (oldval) && EQ (arg, oldval)) return; BLOCK_INPUT; result = x_bitmap_icon (f, arg); if (result) { UNBLOCK_INPUT; error ("No icon window available"); } UNBLOCK_INPUT; } /* Return non-nil if frame F wants a bitmap icon. */ Lisp_Object x_icon_type (f) FRAME_PTR f; { Lisp_Object tem; tem = assq_no_quit (Qicon_type, f->param_alist); if (CONSP (tem)) return XCDR (tem); else return Qnil; } void x_set_icon_name (f, arg, oldval) struct frame *f; Lisp_Object arg, oldval; { int result; if (STRINGP (arg)) { if (STRINGP (oldval) && EQ (Fstring_equal (oldval, arg), Qt)) return; } else if (!STRINGP (oldval) && EQ (oldval, Qnil) == EQ (arg, Qnil)) return; f->icon_name = arg; #if 0 if (f->output_data.w32->icon_bitmap != 0) return; BLOCK_INPUT; result = x_text_icon (f, (char *) XSTRING ((!NILP (f->icon_name) ? f->icon_name : !NILP (f->title) ? f->title : f->name))->data); if (result) { UNBLOCK_INPUT; error ("No icon window available"); } /* If the window was unmapped (and its icon was mapped), the new icon is not mapped, so map the window in its stead. */ if (FRAME_VISIBLE_P (f)) { #ifdef USE_X_TOOLKIT XtPopup (f->output_data.w32->widget, XtGrabNone); #endif XMapWindow (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f)); } XFlush (FRAME_W32_DISPLAY (f)); UNBLOCK_INPUT; #endif } extern Lisp_Object x_new_font (); extern Lisp_Object x_new_fontset(); void x_set_font (f, arg, oldval) struct frame *f; Lisp_Object arg, oldval; { Lisp_Object result; Lisp_Object fontset_name; Lisp_Object frame; CHECK_STRING (arg, 1); fontset_name = Fquery_fontset (arg, Qnil); BLOCK_INPUT; result = (STRINGP (fontset_name) ? x_new_fontset (f, XSTRING (fontset_name)->data) : x_new_font (f, XSTRING (arg)->data)); UNBLOCK_INPUT; if (EQ (result, Qnil)) error ("Font `%s' is not defined", XSTRING (arg)->data); else if (EQ (result, Qt)) error ("The characters of the given font have varying widths"); else if (STRINGP (result)) { store_frame_param (f, Qfont, result); recompute_basic_faces (f); } else abort (); do_pending_window_change (0); /* Don't call `face-set-after-frame-default' when faces haven't been initialized yet. This is the case when called from Fx_create_frame. In that case, the X widget or window doesn't exist either, and we can end up in x_report_frame_params with a null widget which gives a segfault. */ if (FRAME_FACE_CACHE (f)) { XSETFRAME (frame, f); call1 (Qface_set_after_frame_default, frame); } } void x_set_border_width (f, arg, oldval) struct frame *f; Lisp_Object arg, oldval; { CHECK_NUMBER (arg, 0); if (XINT (arg) == f->output_data.w32->border_width) return; if (FRAME_W32_WINDOW (f) != 0) error ("Cannot change the border width of a window"); f->output_data.w32->border_width = XINT (arg); } void x_set_internal_border_width (f, arg, oldval) struct frame *f; Lisp_Object arg, oldval; { int old = f->output_data.w32->internal_border_width; CHECK_NUMBER (arg, 0); f->output_data.w32->internal_border_width = XINT (arg); if (f->output_data.w32->internal_border_width < 0) f->output_data.w32->internal_border_width = 0; if (f->output_data.w32->internal_border_width == old) return; if (FRAME_W32_WINDOW (f) != 0) { x_set_window_size (f, 0, f->width, f->height); SET_FRAME_GARBAGED (f); do_pending_window_change (0); } } void x_set_visibility (f, value, oldval) struct frame *f; Lisp_Object value, oldval; { Lisp_Object frame; XSETFRAME (frame, f); if (NILP (value)) Fmake_frame_invisible (frame, Qt); else if (EQ (value, Qicon)) Ficonify_frame (frame); else Fmake_frame_visible (frame); } void x_set_menu_bar_lines (f, value, oldval) struct frame *f; Lisp_Object value, oldval; { int nlines; int olines = FRAME_MENU_BAR_LINES (f); /* Right now, menu bars don't work properly in minibuf-only frames; most of the commands try to apply themselves to the minibuffer frame itself, and get an error because you can't switch buffers in or split the minibuffer window. */ if (FRAME_MINIBUF_ONLY_P (f)) return; if (INTEGERP (value)) nlines = XINT (value); else nlines = 0; FRAME_MENU_BAR_LINES (f) = 0; if (nlines) FRAME_EXTERNAL_MENU_BAR (f) = 1; else { if (FRAME_EXTERNAL_MENU_BAR (f) == 1) free_frame_menubar (f); FRAME_EXTERNAL_MENU_BAR (f) = 0; /* Adjust the frame size so that the client (text) dimensions remain the same. This depends on FRAME_EXTERNAL_MENU_BAR being set correctly. */ x_set_window_size (f, 0, FRAME_WIDTH (f), FRAME_HEIGHT (f)); do_pending_window_change (0); } adjust_glyphs (f); } /* Set the number of lines used for the tool bar of frame F to VALUE. VALUE not an integer, or < 0 means set the lines to zero. OLDVAL is the old number of tool bar lines. This function changes the height of all windows on frame F to match the new tool bar height. The frame's height doesn't change. */ void x_set_tool_bar_lines (f, value, oldval) struct frame *f; Lisp_Object value, oldval; { int delta, nlines; /* Use VALUE only if an integer >= 0. */ if (INTEGERP (value) && XINT (value) >= 0) nlines = XFASTINT (value); else nlines = 0; /* Make sure we redisplay all windows in this frame. */ ++windows_or_buffers_changed; delta = nlines - FRAME_TOOL_BAR_LINES (f); FRAME_TOOL_BAR_LINES (f) = nlines; x_set_window_size (f, 0, FRAME_WIDTH (f), FRAME_HEIGHT (f)); do_pending_window_change (0); adjust_glyphs (f); } /* Change the name of frame F to NAME. If NAME is nil, set F's name to w32_id_name. If EXPLICIT is non-zero, that indicates that lisp code is setting the name; if NAME is a string, set F's name to NAME and set F->explicit_name; if NAME is Qnil, then clear F->explicit_name. If EXPLICIT is zero, that indicates that Emacs redisplay code is suggesting a new name, which lisp code should override; if F->explicit_name is set, ignore the new name; otherwise, set it. */ void x_set_name (f, name, explicit) struct frame *f; Lisp_Object name; int explicit; { /* Make sure that requests from lisp code override requests from Emacs redisplay code. */ if (explicit) { /* If we're switching from explicit to implicit, we had better update the mode lines and thereby update the title. */ if (f->explicit_name && NILP (name)) update_mode_lines = 1; f->explicit_name = ! NILP (name); } else if (f->explicit_name) return; /* If NAME is nil, set the name to the w32_id_name. */ if (NILP (name)) { /* Check for no change needed in this very common case before we do any consing. */ if (!strcmp (FRAME_W32_DISPLAY_INFO (f)->w32_id_name, XSTRING (f->name)->data)) return; name = build_string (FRAME_W32_DISPLAY_INFO (f)->w32_id_name); } else CHECK_STRING (name, 0); /* Don't change the name if it's already NAME. */ if (! NILP (Fstring_equal (name, f->name))) return; f->name = name; /* For setting the frame title, the title parameter should override the name parameter. */ if (! NILP (f->title)) name = f->title; if (FRAME_W32_WINDOW (f)) { if (STRING_MULTIBYTE (name)) name = ENCODE_SYSTEM (name); BLOCK_INPUT; SetWindowText(FRAME_W32_WINDOW (f), XSTRING (name)->data); UNBLOCK_INPUT; } } /* This function should be called when the user's lisp code has specified a name for the frame; the name will override any set by the redisplay code. */ void x_explicitly_set_name (f, arg, oldval) FRAME_PTR f; Lisp_Object arg, oldval; { x_set_name (f, arg, 1); } /* This function should be called by Emacs redisplay code to set the name; names set this way will never override names set by the user's lisp code. */ void x_implicitly_set_name (f, arg, oldval) FRAME_PTR f; Lisp_Object arg, oldval; { x_set_name (f, arg, 0); } /* Change the title of frame F to NAME. If NAME is nil, use the frame name as the title. If EXPLICIT is non-zero, that indicates that lisp code is setting the name; if NAME is a string, set F's name to NAME and set F->explicit_name; if NAME is Qnil, then clear F->explicit_name. If EXPLICIT is zero, that indicates that Emacs redisplay code is suggesting a new name, which lisp code should override; if F->explicit_name is set, ignore the new name; otherwise, set it. */ void x_set_title (f, name, old_name) struct frame *f; Lisp_Object name, old_name; { /* Don't change the title if it's already NAME. */ if (EQ (name, f->title)) return; update_mode_lines = 1; f->title = name; if (NILP (name)) name = f->name; if (FRAME_W32_WINDOW (f)) { if (STRING_MULTIBYTE (name)) name = ENCODE_SYSTEM (name); BLOCK_INPUT; SetWindowText(FRAME_W32_WINDOW (f), XSTRING (name)->data); UNBLOCK_INPUT; } } void x_set_autoraise (f, arg, oldval) struct frame *f; Lisp_Object arg, oldval; { f->auto_raise = !EQ (Qnil, arg); } void x_set_autolower (f, arg, oldval) struct frame *f; Lisp_Object arg, oldval; { f->auto_lower = !EQ (Qnil, arg); } void x_set_unsplittable (f, arg, oldval) struct frame *f; Lisp_Object arg, oldval; { f->no_split = !NILP (arg); } void x_set_vertical_scroll_bars (f, arg, oldval) struct frame *f; Lisp_Object arg, oldval; { if ((EQ (arg, Qleft) && FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f)) || (EQ (arg, Qright) && FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (f)) || (NILP (arg) && FRAME_HAS_VERTICAL_SCROLL_BARS (f)) || (!NILP (arg) && ! FRAME_HAS_VERTICAL_SCROLL_BARS (f))) { FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = NILP (arg) ? vertical_scroll_bar_none : /* Put scroll bars on the right by default, as is conventional on MS-Windows. */ EQ (Qleft, arg) ? vertical_scroll_bar_left : vertical_scroll_bar_right; /* We set this parameter before creating the window for the frame, so we can get the geometry right from the start. However, if the window hasn't been created yet, we shouldn't call x_set_window_size. */ if (FRAME_W32_WINDOW (f)) x_set_window_size (f, 0, FRAME_WIDTH (f), FRAME_HEIGHT (f)); do_pending_window_change (0); } } void x_set_scroll_bar_width (f, arg, oldval) struct frame *f; Lisp_Object arg, oldval; { int wid = FONT_WIDTH (f->output_data.w32->font); if (NILP (arg)) { FRAME_SCROLL_BAR_PIXEL_WIDTH (f) = GetSystemMetrics (SM_CXVSCROLL); FRAME_SCROLL_BAR_COLS (f) = (FRAME_SCROLL_BAR_PIXEL_WIDTH (f) + wid - 1) / wid; if (FRAME_W32_WINDOW (f)) x_set_window_size (f, 0, FRAME_WIDTH (f), FRAME_HEIGHT (f)); do_pending_window_change (0); } else if (INTEGERP (arg) && XINT (arg) > 0 && XFASTINT (arg) != FRAME_SCROLL_BAR_PIXEL_WIDTH (f)) { FRAME_SCROLL_BAR_PIXEL_WIDTH (f) = XFASTINT (arg); FRAME_SCROLL_BAR_COLS (f) = (FRAME_SCROLL_BAR_PIXEL_WIDTH (f) + wid-1) / wid; if (FRAME_W32_WINDOW (f)) x_set_window_size (f, 0, FRAME_WIDTH (f), FRAME_HEIGHT (f)); do_pending_window_change (0); } change_frame_size (f, 0, FRAME_WIDTH (f), 0, 0, 0); XWINDOW (FRAME_SELECTED_WINDOW (f))->cursor.hpos = 0; XWINDOW (FRAME_SELECTED_WINDOW (f))->cursor.x = 0; } /* Subroutines of creating an frame. */ /* Make sure that Vx_resource_name is set to a reasonable value. Fix it up, or set it to `emacs' if it is too hopeless. */ static void validate_x_resource_name () { int len = 0; /* Number of valid characters in the resource name. */ int good_count = 0; /* Number of invalid characters in the resource name. */ int bad_count = 0; Lisp_Object new; int i; if (STRINGP (Vx_resource_name)) { unsigned char *p = XSTRING (Vx_resource_name)->data; int i; len = STRING_BYTES (XSTRING (Vx_resource_name)); /* Only letters, digits, - and _ are valid in resource names. Count the valid characters and count the invalid ones. */ for (i = 0; i < len; i++) { int c = p[i]; if (! ((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || (c >= '0' && c <= '9') || c == '-' || c == '_')) bad_count++; else good_count++; } } else /* Not a string => completely invalid. */ bad_count = 5, good_count = 0; /* If name is valid already, return. */ if (bad_count == 0) return; /* If name is entirely invalid, or nearly so, use `emacs'. */ if (good_count == 0 || (good_count == 1 && bad_count > 0)) { Vx_resource_name = build_string ("emacs"); return; } /* Name is partly valid. Copy it and replace the invalid characters with underscores. */ Vx_resource_name = new = Fcopy_sequence (Vx_resource_name); for (i = 0; i < len; i++) { int c = XSTRING (new)->data[i]; if (! ((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || (c >= '0' && c <= '9') || c == '-' || c == '_')) XSTRING (new)->data[i] = '_'; } } extern char *x_get_string_resource (); DEFUN ("x-get-resource", Fx_get_resource, Sx_get_resource, 2, 4, 0, "Return the value of ATTRIBUTE, of class CLASS, from the X defaults database.\n\ This uses `INSTANCE.ATTRIBUTE' as the key and `Emacs.CLASS' as the\n\ class, where INSTANCE is the name under which Emacs was invoked, or\n\ the name specified by the `-name' or `-rn' command-line arguments.\n\ \n\ The optional arguments COMPONENT and SUBCLASS add to the key and the\n\ class, respectively. You must specify both of them or neither.\n\ If you specify them, the key is `INSTANCE.COMPONENT.ATTRIBUTE'\n\ and the class is `Emacs.CLASS.SUBCLASS'.") (attribute, class, component, subclass) Lisp_Object attribute, class, component, subclass; { register char *value; char *name_key; char *class_key; CHECK_STRING (attribute, 0); CHECK_STRING (class, 0); if (!NILP (component)) CHECK_STRING (component, 1); if (!NILP (subclass)) CHECK_STRING (subclass, 2); if (NILP (component) != NILP (subclass)) error ("x-get-resource: must specify both COMPONENT and SUBCLASS or neither"); validate_x_resource_name (); /* Allocate space for the components, the dots which separate them, and the final '\0'. Make them big enough for the worst case. */ name_key = (char *) alloca (STRING_BYTES (XSTRING (Vx_resource_name)) + (STRINGP (component) ? STRING_BYTES (XSTRING (component)) : 0) + STRING_BYTES (XSTRING (attribute)) + 3); class_key = (char *) alloca ((sizeof (EMACS_CLASS) - 1) + STRING_BYTES (XSTRING (class)) + (STRINGP (subclass) ? STRING_BYTES (XSTRING (subclass)) : 0) + 3); /* Start with emacs.FRAMENAME for the name (the specific one) and with `Emacs' for the class key (the general one). */ strcpy (name_key, XSTRING (Vx_resource_name)->data); strcpy (class_key, EMACS_CLASS); strcat (class_key, "."); strcat (class_key, XSTRING (class)->data); if (!NILP (component)) { strcat (class_key, "."); strcat (class_key, XSTRING (subclass)->data); strcat (name_key, "."); strcat (name_key, XSTRING (component)->data); } strcat (name_key, "."); strcat (name_key, XSTRING (attribute)->data); value = x_get_string_resource (Qnil, name_key, class_key); if (value != (char *) 0) return build_string (value); else return Qnil; } /* Used when C code wants a resource value. */ char * x_get_resource_string (attribute, class) char *attribute, *class; { char *name_key; char *class_key; struct frame *sf = SELECTED_FRAME (); /* Allocate space for the components, the dots which separate them, and the final '\0'. */ name_key = (char *) alloca (STRING_BYTES (XSTRING (Vinvocation_name)) + strlen (attribute) + 2); class_key = (char *) alloca ((sizeof (EMACS_CLASS) - 1) + strlen (class) + 2); sprintf (name_key, "%s.%s", XSTRING (Vinvocation_name)->data, attribute); sprintf (class_key, "%s.%s", EMACS_CLASS, class); return x_get_string_resource (sf, name_key, class_key); } /* Types we might convert a resource string into. */ enum resource_types { RES_TYPE_NUMBER, RES_TYPE_FLOAT, RES_TYPE_BOOLEAN, RES_TYPE_STRING, RES_TYPE_SYMBOL }; /* Return the value of parameter PARAM. First search ALIST, then Vdefault_frame_alist, then the X defaults database, using ATTRIBUTE as the attribute name and CLASS as its class. Convert the resource to the type specified by desired_type. If no default is specified, return Qunbound. If you call w32_get_arg, make sure you deal with Qunbound in a reasonable way, and don't let it get stored in any Lisp-visible variables! */ static Lisp_Object w32_get_arg (alist, param, attribute, class, type) Lisp_Object alist, param; char *attribute; char *class; enum resource_types type; { register Lisp_Object tem; tem = Fassq (param, alist); if (EQ (tem, Qnil)) tem = Fassq (param, Vdefault_frame_alist); if (EQ (tem, Qnil)) { if (attribute) { tem = Fx_get_resource (build_string (attribute), build_string (class), Qnil, Qnil); if (NILP (tem)) return Qunbound; switch (type) { case RES_TYPE_NUMBER: return make_number (atoi (XSTRING (tem)->data)); case RES_TYPE_FLOAT: return make_float (atof (XSTRING (tem)->data)); case RES_TYPE_BOOLEAN: tem = Fdowncase (tem); if (!strcmp (XSTRING (tem)->data, "on") || !strcmp (XSTRING (tem)->data, "true")) return Qt; else return Qnil; case RES_TYPE_STRING: return tem; case RES_TYPE_SYMBOL: /* As a special case, we map the values `true' and `on' to Qt, and `false' and `off' to Qnil. */ { Lisp_Object lower; lower = Fdowncase (tem); if (!strcmp (XSTRING (lower)->data, "on") || !strcmp (XSTRING (lower)->data, "true")) return Qt; else if (!strcmp (XSTRING (lower)->data, "off") || !strcmp (XSTRING (lower)->data, "false")) return Qnil; else return Fintern (tem, Qnil); } default: abort (); } } else return Qunbound; } return Fcdr (tem); } /* Record in frame F the specified or default value according to ALIST of the parameter named PROP (a Lisp symbol). If no value is specified for PROP, look for an X default for XPROP on the frame named NAME. If that is not found either, use the value DEFLT. */ static Lisp_Object x_default_parameter (f, alist, prop, deflt, xprop, xclass, type) struct frame *f; Lisp_Object alist; Lisp_Object prop; Lisp_Object deflt; char *xprop; char *xclass; enum resource_types type; { Lisp_Object tem; tem = w32_get_arg (alist, prop, xprop, xclass, type); if (EQ (tem, Qunbound)) tem = deflt; x_set_frame_parameters (f, Fcons (Fcons (prop, tem), Qnil)); return tem; } DEFUN ("x-parse-geometry", Fx_parse_geometry, Sx_parse_geometry, 1, 1, 0, "Parse an X-style geometry string STRING.\n\ Returns an alist of the form ((top . TOP), (left . LEFT) ... ).\n\ The properties returned may include `top', `left', `height', and `width'.\n\ The value of `left' or `top' may be an integer,\n\ or a list (+ N) meaning N pixels relative to top/left corner,\n\ or a list (- N) meaning -N pixels relative to bottom/right corner.") (string) Lisp_Object string; { int geometry, x, y; unsigned int width, height; Lisp_Object result; CHECK_STRING (string, 0); geometry = XParseGeometry ((char *) XSTRING (string)->data, &x, &y, &width, &height); result = Qnil; if (geometry & XValue) { Lisp_Object element; if (x >= 0 && (geometry & XNegative)) element = Fcons (Qleft, Fcons (Qminus, Fcons (make_number (-x), Qnil))); else if (x < 0 && ! (geometry & XNegative)) element = Fcons (Qleft, Fcons (Qplus, Fcons (make_number (x), Qnil))); else element = Fcons (Qleft, make_number (x)); result = Fcons (element, result); } if (geometry & YValue) { Lisp_Object element; if (y >= 0 && (geometry & YNegative)) element = Fcons (Qtop, Fcons (Qminus, Fcons (make_number (-y), Qnil))); else if (y < 0 && ! (geometry & YNegative)) element = Fcons (Qtop, Fcons (Qplus, Fcons (make_number (y), Qnil))); else element = Fcons (Qtop, make_number (y)); result = Fcons (element, result); } if (geometry & WidthValue) result = Fcons (Fcons (Qwidth, make_number (width)), result); if (geometry & HeightValue) result = Fcons (Fcons (Qheight, make_number (height)), result); return result; } /* Calculate the desired size and position of this window, and return the flags saying which aspects were specified. This function does not make the coordinates positive. */ #define DEFAULT_ROWS 40 #define DEFAULT_COLS 80 static int x_figure_window_size (f, parms) struct frame *f; Lisp_Object parms; { register Lisp_Object tem0, tem1, tem2; long window_prompting = 0; /* Default values if we fall through. Actually, if that happens we should get window manager prompting. */ SET_FRAME_WIDTH (f, DEFAULT_COLS); f->height = DEFAULT_ROWS; /* Window managers expect that if program-specified positions are not (0,0), they're intentional, not defaults. */ f->output_data.w32->top_pos = 0; f->output_data.w32->left_pos = 0; tem0 = w32_get_arg (parms, Qheight, 0, 0, RES_TYPE_NUMBER); tem1 = w32_get_arg (parms, Qwidth, 0, 0, RES_TYPE_NUMBER); tem2 = w32_get_arg (parms, Quser_size, 0, 0, RES_TYPE_NUMBER); if (! EQ (tem0, Qunbound) || ! EQ (tem1, Qunbound)) { if (!EQ (tem0, Qunbound)) { CHECK_NUMBER (tem0, 0); f->height = XINT (tem0); } if (!EQ (tem1, Qunbound)) { CHECK_NUMBER (tem1, 0); SET_FRAME_WIDTH (f, XINT (tem1)); } if (!NILP (tem2) && !EQ (tem2, Qunbound)) window_prompting |= USSize; else window_prompting |= PSize; } f->output_data.w32->vertical_scroll_bar_extra = (!FRAME_HAS_VERTICAL_SCROLL_BARS (f) ? 0 : FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0 ? FRAME_SCROLL_BAR_PIXEL_WIDTH (f) : (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->output_data.w32->font))); f->output_data.w32->flags_areas_extra = FRAME_FLAGS_AREA_WIDTH (f); f->output_data.w32->pixel_width = CHAR_TO_PIXEL_WIDTH (f, f->width); f->output_data.w32->pixel_height = CHAR_TO_PIXEL_HEIGHT (f, f->height); tem0 = w32_get_arg (parms, Qtop, 0, 0, RES_TYPE_NUMBER); tem1 = w32_get_arg (parms, Qleft, 0, 0, RES_TYPE_NUMBER); tem2 = w32_get_arg (parms, Quser_position, 0, 0, RES_TYPE_NUMBER); if (! EQ (tem0, Qunbound) || ! EQ (tem1, Qunbound)) { if (EQ (tem0, Qminus)) { f->output_data.w32->top_pos = 0; window_prompting |= YNegative; } else if (CONSP (tem0) && EQ (XCAR (tem0), Qminus) && CONSP (XCDR (tem0)) && INTEGERP (XCAR (XCDR (tem0)))) { f->output_data.w32->top_pos = - XINT (XCAR (XCDR (tem0))); window_prompting |= YNegative; } else if (CONSP (tem0) && EQ (XCAR (tem0), Qplus) && CONSP (XCDR (tem0)) && INTEGERP (XCAR (XCDR (tem0)))) { f->output_data.w32->top_pos = XINT (XCAR (XCDR (tem0))); } else if (EQ (tem0, Qunbound)) f->output_data.w32->top_pos = 0; else { CHECK_NUMBER (tem0, 0); f->output_data.w32->top_pos = XINT (tem0); if (f->output_data.w32->top_pos < 0) window_prompting |= YNegative; } if (EQ (tem1, Qminus)) { f->output_data.w32->left_pos = 0; window_prompting |= XNegative; } else if (CONSP (tem1) && EQ (XCAR (tem1), Qminus) && CONSP (XCDR (tem1)) && INTEGERP (XCAR (XCDR (tem1)))) { f->output_data.w32->left_pos = - XINT (XCAR (XCDR (tem1))); window_prompting |= XNegative; } else if (CONSP (tem1) && EQ (XCAR (tem1), Qplus) && CONSP (XCDR (tem1)) && INTEGERP (XCAR (XCDR (tem1)))) { f->output_data.w32->left_pos = XINT (XCAR (XCDR (tem1))); } else if (EQ (tem1, Qunbound)) f->output_data.w32->left_pos = 0; else { CHECK_NUMBER (tem1, 0); f->output_data.w32->left_pos = XINT (tem1); if (f->output_data.w32->left_pos < 0) window_prompting |= XNegative; } if (!NILP (tem2) && ! EQ (tem2, Qunbound)) window_prompting |= USPosition; else window_prompting |= PPosition; } return window_prompting; } extern LRESULT CALLBACK w32_wnd_proc (); BOOL w32_init_class (hinst) HINSTANCE hinst; { WNDCLASS wc; wc.style = CS_HREDRAW | CS_VREDRAW; wc.lpfnWndProc = (WNDPROC) w32_wnd_proc; wc.cbClsExtra = 0; wc.cbWndExtra = WND_EXTRA_BYTES; wc.hInstance = hinst; wc.hIcon = LoadIcon (hinst, EMACS_CLASS); wc.hCursor = LoadCursor (NULL, IDC_ARROW); wc.hbrBackground = NULL; /* GetStockObject (WHITE_BRUSH); */ wc.lpszMenuName = NULL; wc.lpszClassName = EMACS_CLASS; return (RegisterClass (&wc)); } HWND w32_createscrollbar (f, bar) struct frame *f; struct scroll_bar * bar; { return (CreateWindow ("SCROLLBAR", "", SBS_VERT | WS_CHILD | WS_VISIBLE, /* Position and size of scroll bar. */ XINT(bar->left) + VERTICAL_SCROLL_BAR_WIDTH_TRIM, XINT(bar->top), XINT(bar->width) - VERTICAL_SCROLL_BAR_WIDTH_TRIM * 2, XINT(bar->height), FRAME_W32_WINDOW (f), NULL, hinst, NULL)); } void w32_createwindow (f) struct frame *f; { HWND hwnd; RECT rect; rect.left = rect.top = 0; rect.right = PIXEL_WIDTH (f); rect.bottom = PIXEL_HEIGHT (f); AdjustWindowRect (&rect, f->output_data.w32->dwStyle, FRAME_EXTERNAL_MENU_BAR (f)); /* Do first time app init */ if (!hprevinst) { w32_init_class (hinst); } FRAME_W32_WINDOW (f) = hwnd = CreateWindow (EMACS_CLASS, f->namebuf, f->output_data.w32->dwStyle | WS_CLIPCHILDREN, f->output_data.w32->left_pos, f->output_data.w32->top_pos, rect.right - rect.left, rect.bottom - rect.top, NULL, NULL, hinst, NULL); if (hwnd) { SetWindowLong (hwnd, WND_FONTWIDTH_INDEX, FONT_WIDTH (f->output_data.w32->font)); SetWindowLong (hwnd, WND_LINEHEIGHT_INDEX, f->output_data.w32->line_height); SetWindowLong (hwnd, WND_BORDER_INDEX, f->output_data.w32->internal_border_width); SetWindowLong (hwnd, WND_SCROLLBAR_INDEX, f->output_data.w32->vertical_scroll_bar_extra); SetWindowLong (hwnd, WND_BACKGROUND_INDEX, FRAME_BACKGROUND_PIXEL (f)); /* Enable drag-n-drop. */ DragAcceptFiles (hwnd, TRUE); /* Do this to discard the default setting specified by our parent. */ ShowWindow (hwnd, SW_HIDE); } } void my_post_msg (wmsg, hwnd, msg, wParam, lParam) W32Msg * wmsg; HWND hwnd; UINT msg; WPARAM wParam; LPARAM lParam; { wmsg->msg.hwnd = hwnd; wmsg->msg.message = msg; wmsg->msg.wParam = wParam; wmsg->msg.lParam = lParam; wmsg->msg.time = GetMessageTime (); post_msg (wmsg); } /* GetKeyState and MapVirtualKey on Windows 95 do not actually distinguish between left and right keys as advertised. We test for this support dynamically, and set a flag when the support is absent. If absent, we keep track of the left and right control and alt keys ourselves. This is particularly necessary on keyboards that rely upon the AltGr key, which is represented as having the left control and right alt keys pressed. For these keyboards, we need to know when the left alt key has been pressed in addition to the AltGr key so that we can properly support M-AltGr-key sequences (such as M-@ on Swedish keyboards). */ #define EMACS_LCONTROL 0 #define EMACS_RCONTROL 1 #define EMACS_LMENU 2 #define EMACS_RMENU 3 static int modifiers[4]; static int modifiers_recorded; static int modifier_key_support_tested; static void test_modifier_support (unsigned int wparam) { unsigned int l, r; if (wparam != VK_CONTROL && wparam != VK_MENU) return; if (wparam == VK_CONTROL) { l = VK_LCONTROL; r = VK_RCONTROL; } else { l = VK_LMENU; r = VK_RMENU; } if (!(GetKeyState (l) & 0x8000) && !(GetKeyState (r) & 0x8000)) modifiers_recorded = 1; else modifiers_recorded = 0; modifier_key_support_tested = 1; } static void record_keydown (unsigned int wparam, unsigned int lparam) { int i; if (!modifier_key_support_tested) test_modifier_support (wparam); if ((wparam != VK_CONTROL && wparam != VK_MENU) || !modifiers_recorded) return; if (wparam == VK_CONTROL) i = (lparam & 0x1000000) ? EMACS_RCONTROL : EMACS_LCONTROL; else i = (lparam & 0x1000000) ? EMACS_RMENU : EMACS_LMENU; modifiers[i] = 1; } static void record_keyup (unsigned int wparam, unsigned int lparam) { int i; if ((wparam != VK_CONTROL && wparam != VK_MENU) || !modifiers_recorded) return; if (wparam == VK_CONTROL) i = (lparam & 0x1000000) ? EMACS_RCONTROL : EMACS_LCONTROL; else i = (lparam & 0x1000000) ? EMACS_RMENU : EMACS_LMENU; modifiers[i] = 0; } /* Emacs can lose focus while a modifier key has been pressed. When it regains focus, be conservative and clear all modifiers since we cannot reconstruct the left and right modifier state. */ static void reset_modifiers () { SHORT ctrl, alt; if (GetFocus () == NULL) /* Emacs doesn't have keyboard focus. Do nothing. */ return; ctrl = GetAsyncKeyState (VK_CONTROL); alt = GetAsyncKeyState (VK_MENU); if (!(ctrl & 0x08000)) /* Clear any recorded control modifier state. */ modifiers[EMACS_RCONTROL] = modifiers[EMACS_LCONTROL] = 0; if (!(alt & 0x08000)) /* Clear any recorded alt modifier state. */ modifiers[EMACS_RMENU] = modifiers[EMACS_LMENU] = 0; /* Update the state of all modifier keys, because modifiers used in hot-key combinations can get stuck on if Emacs loses focus as a result of a hot-key being pressed. */ { BYTE keystate[256]; #define CURRENT_STATE(key) ((GetAsyncKeyState (key) & 0x8000) >> 8) GetKeyboardState (keystate); keystate[VK_SHIFT] = CURRENT_STATE (VK_SHIFT); keystate[VK_CONTROL] = CURRENT_STATE (VK_CONTROL); keystate[VK_LCONTROL] = CURRENT_STATE (VK_LCONTROL); keystate[VK_RCONTROL] = CURRENT_STATE (VK_RCONTROL); keystate[VK_MENU] = CURRENT_STATE (VK_MENU); keystate[VK_LMENU] = CURRENT_STATE (VK_LMENU); keystate[VK_RMENU] = CURRENT_STATE (VK_RMENU); keystate[VK_LWIN] = CURRENT_STATE (VK_LWIN); keystate[VK_RWIN] = CURRENT_STATE (VK_RWIN); keystate[VK_APPS] = CURRENT_STATE (VK_APPS); SetKeyboardState (keystate); } } /* Synchronize modifier state with what is reported with the current keystroke. Even if we cannot distinguish between left and right modifier keys, we know that, if no modifiers are set, then neither the left or right modifier should be set. */ static void sync_modifiers () { if (!modifiers_recorded) return; if (!(GetKeyState (VK_CONTROL) & 0x8000)) modifiers[EMACS_RCONTROL] = modifiers[EMACS_LCONTROL] = 0; if (!(GetKeyState (VK_MENU) & 0x8000)) modifiers[EMACS_RMENU] = modifiers[EMACS_LMENU] = 0; } static int modifier_set (int vkey) { if (vkey == VK_CAPITAL || vkey == VK_SCROLL) return (GetKeyState (vkey) & 0x1); if (!modifiers_recorded) return (GetKeyState (vkey) & 0x8000); switch (vkey) { case VK_LCONTROL: return modifiers[EMACS_LCONTROL]; case VK_RCONTROL: return modifiers[EMACS_RCONTROL]; case VK_LMENU: return modifiers[EMACS_LMENU]; case VK_RMENU: return modifiers[EMACS_RMENU]; } return (GetKeyState (vkey) & 0x8000); } /* Convert between the modifier bits W32 uses and the modifier bits Emacs uses. */ unsigned int w32_key_to_modifier (int key) { Lisp_Object key_mapping; switch (key) { case VK_LWIN: key_mapping = Vw32_lwindow_modifier; break; case VK_RWIN: key_mapping = Vw32_rwindow_modifier; break; case VK_APPS: key_mapping = Vw32_apps_modifier; break; case VK_SCROLL: key_mapping = Vw32_scroll_lock_modifier; break; default: key_mapping = Qnil; } /* NB. This code runs in the input thread, asychronously to the lisp thread, so we must be careful to ensure access to lisp data is thread-safe. The following code is safe because the modifier variable values are updated atomically from lisp and symbols are not relocated by GC. Also, we don't have to worry about seeing GC markbits here. */ if (EQ (key_mapping, Qhyper)) return hyper_modifier; if (EQ (key_mapping, Qsuper)) return super_modifier; if (EQ (key_mapping, Qmeta)) return meta_modifier; if (EQ (key_mapping, Qalt)) return alt_modifier; if (EQ (key_mapping, Qctrl)) return ctrl_modifier; if (EQ (key_mapping, Qcontrol)) /* synonym for ctrl */ return ctrl_modifier; if (EQ (key_mapping, Qshift)) return shift_modifier; /* Don't generate any modifier if not explicitly requested. */ return 0; } unsigned int w32_get_modifiers () { return ((modifier_set (VK_SHIFT) ? shift_modifier : 0) | (modifier_set (VK_CONTROL) ? ctrl_modifier : 0) | (modifier_set (VK_LWIN) ? w32_key_to_modifier (VK_LWIN) : 0) | (modifier_set (VK_RWIN) ? w32_key_to_modifier (VK_RWIN) : 0) | (modifier_set (VK_APPS) ? w32_key_to_modifier (VK_APPS) : 0) | (modifier_set (VK_SCROLL) ? w32_key_to_modifier (VK_SCROLL) : 0) | (modifier_set (VK_MENU) ? ((NILP (Vw32_alt_is_meta)) ? alt_modifier : meta_modifier) : 0)); } /* We map the VK_* modifiers into console modifier constants so that we can use the same routines to handle both console and window input. */ static int construct_console_modifiers () { int mods; mods = 0; mods |= (modifier_set (VK_SHIFT)) ? SHIFT_PRESSED : 0; mods |= (modifier_set (VK_CAPITAL)) ? CAPSLOCK_ON : 0; mods |= (modifier_set (VK_SCROLL)) ? SCROLLLOCK_ON : 0; mods |= (modifier_set (VK_NUMLOCK)) ? NUMLOCK_ON : 0; mods |= (modifier_set (VK_LCONTROL)) ? LEFT_CTRL_PRESSED : 0; mods |= (modifier_set (VK_RCONTROL)) ? RIGHT_CTRL_PRESSED : 0; mods |= (modifier_set (VK_LMENU)) ? LEFT_ALT_PRESSED : 0; mods |= (modifier_set (VK_RMENU)) ? RIGHT_ALT_PRESSED : 0; mods |= (modifier_set (VK_LWIN)) ? LEFT_WIN_PRESSED : 0; mods |= (modifier_set (VK_RWIN)) ? RIGHT_WIN_PRESSED : 0; mods |= (modifier_set (VK_APPS)) ? APPS_PRESSED : 0; return mods; } static int w32_get_key_modifiers (unsigned int wparam, unsigned int lparam) { int mods; /* Convert to emacs modifiers. */ mods = w32_kbd_mods_to_emacs (construct_console_modifiers (), wparam); return mods; } unsigned int map_keypad_keys (unsigned int virt_key, unsigned int extended) { if (virt_key < VK_CLEAR || virt_key > VK_DELETE) return virt_key; if (virt_key == VK_RETURN) return (extended ? VK_NUMPAD_ENTER : VK_RETURN); if (virt_key >= VK_PRIOR && virt_key <= VK_DOWN) return (!extended ? (VK_NUMPAD_PRIOR + (virt_key - VK_PRIOR)) : virt_key); if (virt_key == VK_INSERT || virt_key == VK_DELETE) return (!extended ? (VK_NUMPAD_INSERT + (virt_key - VK_INSERT)) : virt_key); if (virt_key == VK_CLEAR) return (!extended ? VK_NUMPAD_CLEAR : virt_key); return virt_key; } /* List of special key combinations which w32 would normally capture, but emacs should grab instead. Not directly visible to lisp, to simplify synchronization. Each item is an integer encoding a virtual key code and modifier combination to capture. */ Lisp_Object w32_grabbed_keys; #define HOTKEY(vk,mods) make_number (((vk) & 255) | ((mods) << 8)) #define HOTKEY_ID(k) (XFASTINT (k) & 0xbfff) #define HOTKEY_VK_CODE(k) (XFASTINT (k) & 255) #define HOTKEY_MODIFIERS(k) (XFASTINT (k) >> 8) /* Register hot-keys for reserved key combinations when Emacs has keyboard focus, since this is the only way Emacs can receive key combinations like Alt-Tab which are used by the system. */ static void register_hot_keys (hwnd) HWND hwnd; { Lisp_Object keylist; /* Use GC_CONSP, since we are called asynchronously. */ for (keylist = w32_grabbed_keys; GC_CONSP (keylist); keylist = XCDR (keylist)) { Lisp_Object key = XCAR (keylist); /* Deleted entries get set to nil. */ if (!INTEGERP (key)) continue; RegisterHotKey (hwnd, HOTKEY_ID (key), HOTKEY_MODIFIERS (key), HOTKEY_VK_CODE (key)); } } static void unregister_hot_keys (hwnd) HWND hwnd; { Lisp_Object keylist; /* Use GC_CONSP, since we are called asynchronously. */ for (keylist = w32_grabbed_keys; GC_CONSP (keylist); keylist = XCDR (keylist)) { Lisp_Object key = XCAR (keylist); if (!INTEGERP (key)) continue; UnregisterHotKey (hwnd, HOTKEY_ID (key)); } } /* Main message dispatch loop. */ static void w32_msg_pump (deferred_msg * msg_buf) { MSG msg; int result; HWND focus_window; msh_mousewheel = RegisterWindowMessage (MSH_MOUSEWHEEL); while (GetMessage (&msg, NULL, 0, 0)) { if (msg.hwnd == NULL) { switch (msg.message) { case WM_NULL: /* Produced by complete_deferred_msg; just ignore. */ break; case WM_EMACS_CREATEWINDOW: w32_createwindow ((struct frame *) msg.wParam); if (!PostThreadMessage (dwMainThreadId, WM_EMACS_DONE, 0, 0)) abort (); break; case WM_EMACS_SETLOCALE: SetThreadLocale (msg.wParam); /* Reply is not expected. */ break; case WM_EMACS_SETKEYBOARDLAYOUT: result = (int) ActivateKeyboardLayout ((HKL) msg.wParam, 0); if (!PostThreadMessage (dwMainThreadId, WM_EMACS_DONE, result, 0)) abort (); break; case WM_EMACS_REGISTER_HOT_KEY: focus_window = GetFocus (); if (focus_window != NULL) RegisterHotKey (focus_window, HOTKEY_ID (msg.wParam), HOTKEY_MODIFIERS (msg.wParam), HOTKEY_VK_CODE (msg.wParam)); /* Reply is not expected. */ break; case WM_EMACS_UNREGISTER_HOT_KEY: focus_window = GetFocus (); if (focus_window != NULL) UnregisterHotKey (focus_window, HOTKEY_ID (msg.wParam)); /* Mark item as erased. NB: this code must be thread-safe. The next line is okay because the cons cell is never made into garbage and is not relocated by GC. */ XCAR ((Lisp_Object) msg.lParam) = Qnil; if (!PostThreadMessage (dwMainThreadId, WM_EMACS_DONE, 0, 0)) abort (); break; case WM_EMACS_TOGGLE_LOCK_KEY: { int vk_code = (int) msg.wParam; int cur_state = (GetKeyState (vk_code) & 1); Lisp_Object new_state = (Lisp_Object) msg.lParam; /* NB: This code must be thread-safe. It is safe to call NILP because symbols are not relocated by GC, and pointer here is not touched by GC (so the markbit can't be set). Numbers are safe because they are immediate values. */ if (NILP (new_state) || (NUMBERP (new_state) && (XUINT (new_state)) & 1 != cur_state)) { one_w32_display_info.faked_key = vk_code; keybd_event ((BYTE) vk_code, (BYTE) MapVirtualKey (vk_code, 0), KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0); keybd_event ((BYTE) vk_code, (BYTE) MapVirtualKey (vk_code, 0), KEYEVENTF_EXTENDEDKEY | 0, 0); keybd_event ((BYTE) vk_code, (BYTE) MapVirtualKey (vk_code, 0), KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0); cur_state = !cur_state; } if (!PostThreadMessage (dwMainThreadId, WM_EMACS_DONE, cur_state, 0)) abort (); } break; default: DebPrint (("msg %x not expected by w32_msg_pump\n", msg.message)); } } else { DispatchMessage (&msg); } /* Exit nested loop when our deferred message has completed. */ if (msg_buf->completed) break; } } deferred_msg * deferred_msg_head; static deferred_msg * find_deferred_msg (HWND hwnd, UINT msg) { deferred_msg * item; /* Don't actually need synchronization for read access, since modification of single pointer is always atomic. */ /* enter_crit (); */ for (item = deferred_msg_head; item != NULL; item = item->next) if (item->w32msg.msg.hwnd == hwnd && item->w32msg.msg.message == msg) break; /* leave_crit (); */ return item; } static LRESULT send_deferred_msg (deferred_msg * msg_buf, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) { /* Only input thread can send deferred messages. */ if (GetCurrentThreadId () != dwWindowsThreadId) abort (); /* It is an error to send a message that is already deferred. */ if (find_deferred_msg (hwnd, msg) != NULL) abort (); /* Enforced synchronization is not needed because this is the only function that alters deferred_msg_head, and the following critical section is guaranteed to only be serially reentered (since only the input thread can call us). */ /* enter_crit (); */ msg_buf->completed = 0; msg_buf->next = deferred_msg_head; deferred_msg_head = msg_buf; my_post_msg (&msg_buf->w32msg, hwnd, msg, wParam, lParam); /* leave_crit (); */ /* Start a new nested message loop to process other messages until this one is completed. */ w32_msg_pump (msg_buf); deferred_msg_head = msg_buf->next; return msg_buf->result; } void complete_deferred_msg (HWND hwnd, UINT msg, LRESULT result) { deferred_msg * msg_buf = find_deferred_msg (hwnd, msg); if (msg_buf == NULL) /* Message may have been cancelled, so don't abort(). */ return; msg_buf->result = result; msg_buf->completed = 1; /* Ensure input thread is woken so it notices the completion. */ PostThreadMessage (dwWindowsThreadId, WM_NULL, 0, 0); } void cancel_all_deferred_msgs () { deferred_msg * item; /* Don't actually need synchronization for read access, since modification of single pointer is always atomic. */ /* enter_crit (); */ for (item = deferred_msg_head; item != NULL; item = item->next) { item->result = 0; item->completed = 1; } /* leave_crit (); */ /* Ensure input thread is woken so it notices the completion. */ PostThreadMessage (dwWindowsThreadId, WM_NULL, 0, 0); } DWORD w32_msg_worker (dw) DWORD dw; { MSG msg; deferred_msg dummy_buf; /* Ensure our message queue is created */ PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE); if (!PostThreadMessage (dwMainThreadId, WM_EMACS_DONE, 0, 0)) abort (); memset (&dummy_buf, 0, sizeof (dummy_buf)); dummy_buf.w32msg.msg.hwnd = NULL; dummy_buf.w32msg.msg.message = WM_NULL; /* This is the inital message loop which should only exit when the application quits. */ w32_msg_pump (&dummy_buf); return 0; } static void post_character_message (hwnd, msg, wParam, lParam, modifiers) HWND hwnd; UINT msg; WPARAM wParam; LPARAM lParam; DWORD modifiers; { W32Msg wmsg; wmsg.dwModifiers = modifiers; /* Detect quit_char and set quit-flag directly. Note that we still need to post a message to ensure the main thread will be woken up if blocked in sys_select(), but we do NOT want to post the quit_char message itself (because it will usually be as if the user had typed quit_char twice). Instead, we post a dummy message that has no particular effect. */ { int c = wParam; if (isalpha (c) && wmsg.dwModifiers == ctrl_modifier) c = make_ctrl_char (c) & 0377; if (c == quit_char || (wmsg.dwModifiers == 0 && XFASTINT (Vw32_quit_key) && wParam == XFASTINT (Vw32_quit_key))) { Vquit_flag = Qt; /* The choice of message is somewhat arbitrary, as long as the main thread handler just ignores it. */ msg = WM_NULL; /* Interrupt any blocking system calls. */ signal_quit (); /* As a safety precaution, forcibly complete any deferred messages. This is a kludge, but I don't see any particularly clean way to handle the situation where a deferred message is "dropped" in the lisp thread, and will thus never be completed, eg. by the user trying to activate the menubar when the lisp thread is busy, and then typing C-g when the menubar doesn't open promptly (with the result that the menubar never responds at all because the deferred WM_INITMENU message is never completed). Another problem situation is when the lisp thread calls SendMessage (to send a window manager command) when a message has been deferred; the lisp thread gets blocked indefinitely waiting for the deferred message to be completed, which itself is waiting for the lisp thread to respond. Note that we don't want to block the input thread waiting for a reponse from the lisp thread (although that would at least solve the deadlock problem above), because we want to be able to receive C-g to interrupt the lisp thread. */ cancel_all_deferred_msgs (); } } my_post_msg (&wmsg, hwnd, msg, wParam, lParam); } /* Main window procedure */ LRESULT CALLBACK w32_wnd_proc (hwnd, msg, wParam, lParam) HWND hwnd; UINT msg; WPARAM wParam; LPARAM lParam; { struct frame *f; struct w32_display_info *dpyinfo = &one_w32_display_info; W32Msg wmsg; int windows_translate; int key; /* Note that it is okay to call x_window_to_frame, even though we are not running in the main lisp thread, because frame deletion requires the lisp thread to synchronize with this thread. Thus, if a frame struct is returned, it can be used without concern that the lisp thread might make it disappear while we are using it. NB. Walking the frame list in this thread is safe (as long as writes of Lisp_Object slots are atomic, which they are on Windows). Although delete-frame can destructively modify the frame list while we are walking it, a garbage collection cannot occur until after delete-frame has synchronized with this thread. It is also safe to use functions that make GDI calls, such as w32_clear_rect, because these functions must obtain a DC handle from the frame struct using get_frame_dc which is thread-aware. */ switch (msg) { case WM_ERASEBKGND: f = x_window_to_frame (dpyinfo, hwnd); if (f) { HDC hdc = get_frame_dc (f); GetUpdateRect (hwnd, &wmsg.rect, FALSE); w32_clear_rect (f, hdc, &wmsg.rect); release_frame_dc (f, hdc); #if defined (W32_DEBUG_DISPLAY) DebPrint (("WM_ERASEBKGND: erasing %d,%d-%d,%d\n", wmsg.rect.left, wmsg.rect.top, wmsg.rect.right, wmsg.rect.bottom)); #endif /* W32_DEBUG_DISPLAY */ } return 1; case WM_PALETTECHANGED: /* ignore our own changes */ if ((HWND)wParam != hwnd) { f = x_window_to_frame (dpyinfo, hwnd); if (f) /* get_frame_dc will realize our palette and force all frames to be redrawn if needed. */ release_frame_dc (f, get_frame_dc (f)); } return 0; case WM_PAINT: { PAINTSTRUCT paintStruct; RECT update_rect; /* MSDN Docs say not to call BeginPaint if GetUpdateRect fails. Apparently this can happen under some circumstances. */ if (!w32_strict_painting || GetUpdateRect (hwnd, &update_rect, FALSE)) { enter_crit (); BeginPaint (hwnd, &paintStruct); if (w32_strict_painting) /* The rectangles returned by GetUpdateRect and BeginPaint do not always match. GetUpdateRect seems to be the more reliable of the two. */ wmsg.rect = update_rect; else wmsg.rect = paintStruct.rcPaint; #if defined (W32_DEBUG_DISPLAY) DebPrint (("WM_PAINT: painting %d,%d-%d,%d\n", wmsg.rect.left, wmsg.rect.top, wmsg.rect.right, wmsg.rect.bottom)); DebPrint (("WM_PAINT: update region is %d,%d-%d,%d\n", update_rect.left, update_rect.top, update_rect.right, update_rect.bottom)); #endif EndPaint (hwnd, &paintStruct); leave_crit (); my_post_msg (&wmsg, hwnd, msg, wParam, lParam); return 0; } /* If GetUpdateRect returns 0 (meaning there is no update region), assume the whole window needs to be repainted. */ GetClientRect(hwnd, &wmsg.rect); my_post_msg (&wmsg, hwnd, msg, wParam, lParam); return 0; } case WM_INPUTLANGCHANGE: /* Inform lisp thread of keyboard layout changes. */ my_post_msg (&wmsg, hwnd, msg, wParam, lParam); /* Clear dead keys in the keyboard state; for simplicity only preserve modifier key states. */ { int i; BYTE keystate[256]; GetKeyboardState (keystate); for (i = 0; i < 256; i++) if (1 && i != VK_SHIFT && i != VK_LSHIFT && i != VK_RSHIFT && i != VK_CAPITAL && i != VK_NUMLOCK && i != VK_SCROLL && i != VK_CONTROL && i != VK_LCONTROL && i != VK_RCONTROL && i != VK_MENU && i != VK_LMENU && i != VK_RMENU && i != VK_LWIN && i != VK_RWIN) keystate[i] = 0; SetKeyboardState (keystate); } goto dflt; case WM_HOTKEY: /* Synchronize hot keys with normal input. */ PostMessage (hwnd, WM_KEYDOWN, HIWORD (lParam), 0); return (0); case WM_KEYUP: case WM_SYSKEYUP: record_keyup (wParam, lParam); goto dflt; case WM_KEYDOWN: case WM_SYSKEYDOWN: /* Ignore keystrokes we fake ourself; see below. */ if (dpyinfo->faked_key == wParam) { dpyinfo->faked_key = 0; /* Make sure TranslateMessage sees them though (as long as they don't produce WM_CHAR messages). This ensures that indicator lights are toggled promptly on Windows 9x, for example. */ if (lispy_function_keys[wParam] != 0) { windows_translate = 1; goto translate; } return 0; } /* Synchronize modifiers with current keystroke. */ sync_modifiers (); record_keydown (wParam, lParam); wParam = map_keypad_keys (wParam, (lParam & 0x1000000L) != 0); windows_translate = 0; switch (wParam) { case VK_LWIN: if (NILP (Vw32_pass_lwindow_to_system)) { /* Prevent system from acting on keyup (which opens the Start menu if no other key was pressed) by simulating a press of Space which we will ignore. */ if (GetAsyncKeyState (wParam) & 1) { if (NUMBERP (Vw32_phantom_key_code)) key = XUINT (Vw32_phantom_key_code) & 255; else key = VK_SPACE; dpyinfo->faked_key = key; keybd_event (key, (BYTE) MapVirtualKey (key, 0), 0, 0); } } if (!NILP (Vw32_lwindow_modifier)) return 0; break; case VK_RWIN: if (NILP (Vw32_pass_rwindow_to_system)) { if (GetAsyncKeyState (wParam) & 1) { if (NUMBERP (Vw32_phantom_key_code)) key = XUINT (Vw32_phantom_key_code) & 255; else key = VK_SPACE; dpyinfo->faked_key = key; keybd_event (key, (BYTE) MapVirtualKey (key, 0), 0, 0); } } if (!NILP (Vw32_rwindow_modifier)) return 0; break; case VK_APPS: if (!NILP (Vw32_apps_modifier)) return 0; break; case VK_MENU: if (NILP (Vw32_pass_alt_to_system)) /* Prevent DefWindowProc from activating the menu bar if an Alt key is pressed and released by itself. */ return 0; windows_translate = 1; break; case VK_CAPITAL: /* Decide whether to treat as modifier or function key. */ if (NILP (Vw32_enable_caps_lock)) goto disable_lock_key; windows_translate = 1; break; case VK_NUMLOCK: /* Decide whether to treat as modifier or function key. */ if (NILP (Vw32_enable_num_lock)) goto disable_lock_key; windows_translate = 1; break; case VK_SCROLL: /* Decide whether to treat as modifier or function key. */ if (NILP (Vw32_scroll_lock_modifier)) goto disable_lock_key; windows_translate = 1; break; disable_lock_key: /* Ensure the appropriate lock key state (and indicator light) remains in the same state. We do this by faking another press of the relevant key. Apparently, this really is the only way to toggle the state of the indicator lights. */ dpyinfo->faked_key = wParam; keybd_event ((BYTE) wParam, (BYTE) MapVirtualKey (wParam, 0), KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0); keybd_event ((BYTE) wParam, (BYTE) MapVirtualKey (wParam, 0), KEYEVENTF_EXTENDEDKEY | 0, 0); keybd_event ((BYTE) wParam, (BYTE) MapVirtualKey (wParam, 0), KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0); /* Ensure indicator lights are updated promptly on Windows 9x (TranslateMessage apparently does this), after forwarding input event. */ post_character_message (hwnd, msg, wParam, lParam, w32_get_key_modifiers (wParam, lParam)); windows_translate = 1; break; case VK_CONTROL: case VK_SHIFT: case VK_PROCESSKEY: /* Generated by IME. */ windows_translate = 1; break; case VK_CANCEL: /* Windows maps Ctrl-Pause (aka Ctrl-Break) into VK_CANCEL, which is confusing for purposes of key binding; convert VK_CANCEL events into VK_PAUSE events. */ wParam = VK_PAUSE; break; case VK_PAUSE: /* Windows maps Ctrl-NumLock into VK_PAUSE, which is confusing for purposes of key binding; convert these back into VK_NUMLOCK events, at least when we want to see NumLock key presses. (Note that there is never any possibility that VK_PAUSE with Ctrl really is C-Pause as per above.) */ if (NILP (Vw32_enable_num_lock) && modifier_set (VK_CONTROL)) wParam = VK_NUMLOCK; break; default: /* If not defined as a function key, change it to a WM_CHAR message. */ if (lispy_function_keys[wParam] == 0) { DWORD modifiers = construct_console_modifiers (); if (!NILP (Vw32_recognize_altgr) && modifier_set (VK_LCONTROL) && modifier_set (VK_RMENU)) { /* Always let TranslateMessage handle AltGr key chords; for some reason, ToAscii doesn't always process AltGr chords correctly. */ windows_translate = 1; } else if ((modifiers & (~SHIFT_PRESSED & ~CAPSLOCK_ON)) != 0) { /* Handle key chords including any modifiers other than shift directly, in order to preserve as much modifier information as possible. */ if ('A' <= wParam && wParam <= 'Z') { /* Don't translate modified alphabetic keystrokes, so the user doesn't need to constantly switch layout to type control or meta keystrokes when the normal layout translates alphabetic characters to non-ascii characters. */ if (!modifier_set (VK_SHIFT)) wParam += ('a' - 'A'); msg = WM_CHAR; } else { /* Try to handle other keystrokes by determining the base character (ie. translating the base key plus shift modifier). */ int add; int isdead = 0; KEY_EVENT_RECORD key; key.bKeyDown = TRUE; key.wRepeatCount = 1; key.wVirtualKeyCode = wParam; key.wVirtualScanCode = (lParam & 0xFF0000) >> 16; key.uChar.AsciiChar = 0; key.dwControlKeyState = modifiers; add = w32_kbd_patch_key (&key); /* 0 means an unrecognised keycode, negative means dead key. Ignore both. */ while (--add >= 0) { /* Forward asciified character sequence. */ post_character_message (hwnd, WM_CHAR, key.uChar.AsciiChar, lParam, w32_get_key_modifiers (wParam, lParam)); w32_kbd_patch_key (&key); } return 0; } } else { /* Let TranslateMessage handle everything else. */ windows_translate = 1; } } } translate: if (windows_translate) { MSG windows_msg = { hwnd, msg, wParam, lParam, 0, {0,0} }; windows_msg.time = GetMessageTime (); TranslateMessage (&windows_msg); goto dflt; } /* Fall through */ case WM_SYSCHAR: case WM_CHAR: post_character_message (hwnd, msg, wParam, lParam, w32_get_key_modifiers (wParam, lParam)); break; /* Simulate middle mouse button events when left and right buttons are used together, but only if user has two button mouse. */ case WM_LBUTTONDOWN: case WM_RBUTTONDOWN: if (XINT (Vw32_num_mouse_buttons) > 2) goto handle_plain_button; { int this = (msg == WM_LBUTTONDOWN) ? LMOUSE : RMOUSE; int other = (msg == WM_LBUTTONDOWN) ? RMOUSE : LMOUSE; if (button_state & this) return 0; if (button_state == 0) SetCapture (hwnd); button_state |= this; if (button_state & other) { if (mouse_button_timer) { KillTimer (hwnd, mouse_button_timer); mouse_button_timer = 0; /* Generate middle mouse event instead. */ msg = WM_MBUTTONDOWN; button_state |= MMOUSE; } else if (button_state & MMOUSE) { /* Ignore button event if we've already generated a middle mouse down event. This happens if the user releases and press one of the two buttons after we've faked a middle mouse event. */ return 0; } else { /* Flush out saved message. */ post_msg (&saved_mouse_button_msg); } wmsg.dwModifiers = w32_get_modifiers (); my_post_msg (&wmsg, hwnd, msg, wParam, lParam); /* Clear message buffer. */ saved_mouse_button_msg.msg.hwnd = 0; } else { /* Hold onto message for now. */ mouse_button_timer = SetTimer (hwnd, MOUSE_BUTTON_ID, XINT (Vw32_mouse_button_tolerance), NULL); saved_mouse_button_msg.msg.hwnd = hwnd; saved_mouse_button_msg.msg.message = msg; saved_mouse_button_msg.msg.wParam = wParam; saved_mouse_button_msg.msg.lParam = lParam; saved_mouse_button_msg.msg.time = GetMessageTime (); saved_mouse_button_msg.dwModifiers = w32_get_modifiers (); } } return 0; case WM_LBUTTONUP: case WM_RBUTTONUP: if (XINT (Vw32_num_mouse_buttons) > 2) goto handle_plain_button; { int this = (msg == WM_LBUTTONUP) ? LMOUSE : RMOUSE; int other = (msg == WM_LBUTTONUP) ? RMOUSE : LMOUSE; if ((button_state & this) == 0) return 0; button_state &= ~this; if (button_state & MMOUSE) { /* Only generate event when second button is released. */ if ((button_state & other) == 0) { msg = WM_MBUTTONUP; button_state &= ~MMOUSE; if (button_state) abort (); } else return 0; } else { /* Flush out saved message if necessary. */ if (saved_mouse_button_msg.msg.hwnd) { post_msg (&saved_mouse_button_msg); } } wmsg.dwModifiers = w32_get_modifiers (); my_post_msg (&wmsg, hwnd, msg, wParam, lParam); /* Always clear message buffer and cancel timer. */ saved_mouse_button_msg.msg.hwnd = 0; KillTimer (hwnd, mouse_button_timer); mouse_button_timer = 0; if (button_state == 0) ReleaseCapture (); } return 0; case WM_MBUTTONDOWN: case WM_MBUTTONUP: handle_plain_button: { BOOL up; int button; if (parse_button (msg, &button, &up)) { if (up) ReleaseCapture (); else SetCapture (hwnd); button = (button == 0) ? LMOUSE : ((button == 1) ? MMOUSE : RMOUSE); if (up) button_state &= ~button; else button_state |= button; } } wmsg.dwModifiers = w32_get_modifiers (); my_post_msg (&wmsg, hwnd, msg, wParam, lParam); return 0; case WM_VSCROLL: case WM_MOUSEMOVE: if (XINT (Vw32_mouse_move_interval) <= 0 || (msg == WM_MOUSEMOVE && button_state == 0)) { wmsg.dwModifiers = w32_get_modifiers (); my_post_msg (&wmsg, hwnd, msg, wParam, lParam); return 0; } /* Hang onto mouse move and scroll messages for a bit, to avoid sending such events to Emacs faster than it can process them. If we get more events before the timer from the first message expires, we just replace the first message. */ if (saved_mouse_move_msg.msg.hwnd == 0) mouse_move_timer = SetTimer (hwnd, MOUSE_MOVE_ID, XINT (Vw32_mouse_move_interval), NULL); /* Hold onto message for now. */ saved_mouse_move_msg.msg.hwnd = hwnd; saved_mouse_move_msg.msg.message = msg; saved_mouse_move_msg.msg.wParam = wParam; saved_mouse_move_msg.msg.lParam = lParam; saved_mouse_move_msg.msg.time = GetMessageTime (); saved_mouse_move_msg.dwModifiers = w32_get_modifiers (); return 0; case WM_MOUSEWHEEL: wmsg.dwModifiers = w32_get_modifiers (); my_post_msg (&wmsg, hwnd, msg, wParam, lParam); return 0; case WM_DROPFILES: wmsg.dwModifiers = w32_get_modifiers (); my_post_msg (&wmsg, hwnd, msg, wParam, lParam); return 0; case WM_TIMER: /* Flush out saved messages if necessary. */ if (wParam == mouse_button_timer) { if (saved_mouse_button_msg.msg.hwnd) { post_msg (&saved_mouse_button_msg); saved_mouse_button_msg.msg.hwnd = 0; } KillTimer (hwnd, mouse_button_timer); mouse_button_timer = 0; } else if (wParam == mouse_move_timer) { if (saved_mouse_move_msg.msg.hwnd) { post_msg (&saved_mouse_move_msg); saved_mouse_move_msg.msg.hwnd = 0; } KillTimer (hwnd, mouse_move_timer); mouse_move_timer = 0; } return 0; case WM_NCACTIVATE: /* Windows doesn't send us focus messages when putting up and taking down a system popup dialog as for Ctrl-Alt-Del on Windows 95. The only indication we get that something happened is receiving this message afterwards. So this is a good time to reset our keyboard modifiers' state. */ reset_modifiers (); goto dflt; case WM_INITMENU: button_state = 0; ReleaseCapture (); /* We must ensure menu bar is fully constructed and up to date before allowing user interaction with it. To achieve this we send this message to the lisp thread and wait for a reply (whose value is not actually needed) to indicate that the menu bar is now ready for use, so we can now return. To remain responsive in the meantime, we enter a nested message loop that can process all other messages. However, we skip all this if the message results from calling TrackPopupMenu - in fact, we must NOT attempt to send the lisp thread a message because it is blocked on us at this point. We set menubar_active before calling TrackPopupMenu to indicate this (there is no possibility of confusion with real menubar being active). */ f = x_window_to_frame (dpyinfo, hwnd); if (f && (f->output_data.w32->menubar_active /* We can receive this message even in the absence of a menubar (ie. when the system menu is activated) - in this case we do NOT want to forward the message, otherwise it will cause the menubar to suddenly appear when the user had requested it to be turned off! */ || f->output_data.w32->menubar_widget == NULL)) return 0; { deferred_msg msg_buf; /* Detect if message has already been deferred; in this case we cannot return any sensible value to ignore this. */ if (find_deferred_msg (hwnd, msg) != NULL) abort (); return send_deferred_msg (&msg_buf, hwnd, msg, wParam, lParam); } case WM_EXITMENULOOP: f = x_window_to_frame (dpyinfo, hwnd); /* Indicate that menubar can be modified again. */ if (f) f->output_data.w32->menubar_active = 0; goto dflt; case WM_MENUSELECT: wmsg.dwModifiers = w32_get_modifiers (); my_post_msg (&wmsg, hwnd, msg, wParam, lParam); return 0; case WM_MEASUREITEM: f = x_window_to_frame (dpyinfo, hwnd); if (f) { MEASUREITEMSTRUCT * pMis = (MEASUREITEMSTRUCT *) lParam; if (pMis->CtlType == ODT_MENU) { /* Work out dimensions for popup menu titles. */ char * title = (char *) pMis->itemData; HDC hdc = GetDC (hwnd); HFONT menu_font = GetCurrentObject (hdc, OBJ_FONT); LOGFONT menu_logfont; HFONT old_font; SIZE size; GetObject (menu_font, sizeof (menu_logfont), &menu_logfont); menu_logfont.lfWeight = FW_BOLD; menu_font = CreateFontIndirect (&menu_logfont); old_font = SelectObject (hdc, menu_font); pMis->itemHeight = GetSystemMetrics (SM_CYMENUSIZE); if (title) { GetTextExtentPoint32 (hdc, title, strlen (title), &size); pMis->itemWidth = size.cx; if (pMis->itemHeight < size.cy) pMis->itemHeight = size.cy; } else pMis->itemWidth = 0; SelectObject (hdc, old_font); DeleteObject (menu_font); ReleaseDC (hwnd, hdc); return TRUE; } } return 0; case WM_DRAWITEM: f = x_window_to_frame (dpyinfo, hwnd); if (f) { DRAWITEMSTRUCT * pDis = (DRAWITEMSTRUCT *) lParam; if (pDis->CtlType == ODT_MENU) { /* Draw popup menu title. */ char * title = (char *) pDis->itemData; if (title) { HDC hdc = pDis->hDC; HFONT menu_font = GetCurrentObject (hdc, OBJ_FONT); LOGFONT menu_logfont; HFONT old_font; GetObject (menu_font, sizeof (menu_logfont), &menu_logfont); menu_logfont.lfWeight = FW_BOLD; menu_font = CreateFontIndirect (&menu_logfont); old_font = SelectObject (hdc, menu_font); /* Always draw title as if not selected. */ ExtTextOut (hdc, pDis->rcItem.left + GetSystemMetrics (SM_CXMENUCHECK), pDis->rcItem.top, ETO_OPAQUE, &pDis->rcItem, title, strlen (title), NULL); SelectObject (hdc, old_font); DeleteObject (menu_font); } return TRUE; } } return 0; #if 0 /* Still not right - can't distinguish between clicks in the client area of the frame from clicks forwarded from the scroll bars - may have to hook WM_NCHITTEST to remember the mouse position and then check if it is in the client area ourselves. */ case WM_MOUSEACTIVATE: /* Discard the mouse click that activates a frame, allowing the user to click anywhere without changing point (or worse!). Don't eat mouse clicks on scrollbars though!! */ if (LOWORD (lParam) == HTCLIENT ) return MA_ACTIVATEANDEAT; goto dflt; #endif case WM_ACTIVATEAPP: case WM_ACTIVATE: case WM_WINDOWPOSCHANGED: case WM_SHOWWINDOW: /* Inform lisp thread that a frame might have just been obscured or exposed, so should recheck visibility of all frames. */ my_post_msg (&wmsg, hwnd, msg, wParam, lParam); goto dflt; case WM_SETFOCUS: dpyinfo->faked_key = 0; reset_modifiers (); register_hot_keys (hwnd); goto command; case WM_KILLFOCUS: unregister_hot_keys (hwnd); button_state = 0; ReleaseCapture (); case WM_MOVE: case WM_SIZE: case WM_COMMAND: command: wmsg.dwModifiers = w32_get_modifiers (); my_post_msg (&wmsg, hwnd, msg, wParam, lParam); goto dflt; case WM_CLOSE: wmsg.dwModifiers = w32_get_modifiers (); my_post_msg (&wmsg, hwnd, msg, wParam, lParam); return 0; case WM_WINDOWPOSCHANGING: { WINDOWPLACEMENT wp; LPWINDOWPOS lppos = (WINDOWPOS *) lParam; wp.length = sizeof (WINDOWPLACEMENT); GetWindowPlacement (hwnd, &wp); if (wp.showCmd != SW_SHOWMINIMIZED && (lppos->flags & SWP_NOSIZE) == 0) { RECT rect; int wdiff; int hdiff; DWORD font_width; DWORD line_height; DWORD internal_border; DWORD scrollbar_extra; RECT wr; wp.length = sizeof(wp); GetWindowRect (hwnd, &wr); enter_crit (); font_width = GetWindowLong (hwnd, WND_FONTWIDTH_INDEX); line_height = GetWindowLong (hwnd, WND_LINEHEIGHT_INDEX); internal_border = GetWindowLong (hwnd, WND_BORDER_INDEX); scrollbar_extra = GetWindowLong (hwnd, WND_SCROLLBAR_INDEX); leave_crit (); memset (&rect, 0, sizeof (rect)); AdjustWindowRect (&rect, GetWindowLong (hwnd, GWL_STYLE), GetMenu (hwnd) != NULL); /* Force width and height of client area to be exact multiples of the character cell dimensions. */ wdiff = (lppos->cx - (rect.right - rect.left) - 2 * internal_border - scrollbar_extra) % font_width; hdiff = (lppos->cy - (rect.bottom - rect.top) - 2 * internal_border) % line_height; if (wdiff || hdiff) { /* For right/bottom sizing we can just fix the sizes. However for top/left sizing we will need to fix the X and Y positions as well. */ lppos->cx -= wdiff; lppos->cy -= hdiff; if (wp.showCmd != SW_SHOWMAXIMIZED && (lppos->flags & SWP_NOMOVE) == 0) { if (lppos->x != wr.left || lppos->y != wr.top) { lppos->x += wdiff; lppos->y += hdiff; } else { lppos->flags |= SWP_NOMOVE; } } return 0; } } } goto dflt; case WM_GETMINMAXINFO: /* Hack to correct bug that allows Emacs frames to be resized below the Minimum Tracking Size. */ ((LPMINMAXINFO) lParam)->ptMinTrackSize.y++; return 0; case WM_EMACS_CREATESCROLLBAR: return (LRESULT) w32_createscrollbar ((struct frame *) wParam, (struct scroll_bar *) lParam); case WM_EMACS_SHOWWINDOW: return ShowWindow ((HWND) wParam, (WPARAM) lParam); case WM_EMACS_SETFOREGROUND: { HWND foreground_window; DWORD foreground_thread, retval; /* On NT 5.0, and apparently Windows 98, it is necessary to attach to the thread that currently has focus in order to pull the focus away from it. */ foreground_window = GetForegroundWindow (); foreground_thread = GetWindowThreadProcessId (foreground_window, NULL); if (!foreground_window || foreground_thread == GetCurrentThreadId () || !AttachThreadInput (GetCurrentThreadId (), foreground_thread, TRUE)) foreground_thread = 0; retval = SetForegroundWindow ((HWND) wParam); /* Detach from the previous foreground thread. */ if (foreground_thread) AttachThreadInput (GetCurrentThreadId (), foreground_thread, FALSE); return retval; } case WM_EMACS_SETWINDOWPOS: { WINDOWPOS * pos = (WINDOWPOS *) wParam; return SetWindowPos (hwnd, pos->hwndInsertAfter, pos->x, pos->y, pos->cx, pos->cy, pos->flags); } case WM_EMACS_DESTROYWINDOW: DragAcceptFiles ((HWND) wParam, FALSE); return DestroyWindow ((HWND) wParam); case WM_EMACS_TRACKPOPUPMENU: { UINT flags; POINT *pos; int retval; pos = (POINT *)lParam; flags = TPM_CENTERALIGN; if (button_state & LMOUSE) flags |= TPM_LEFTBUTTON; else if (button_state & RMOUSE) flags |= TPM_RIGHTBUTTON; /* Remember we did a SetCapture on the initial mouse down event, so for safety, we make sure the capture is cancelled now. */ ReleaseCapture (); button_state = 0; /* Use menubar_active to indicate that WM_INITMENU is from TrackPopupMenu below, and should be ignored. */ f = x_window_to_frame (dpyinfo, hwnd); if (f) f->output_data.w32->menubar_active = 1; if (TrackPopupMenu ((HMENU)wParam, flags, pos->x, pos->y, 0, hwnd, NULL)) { MSG amsg; /* Eat any mouse messages during popupmenu */ while (PeekMessage (&amsg, hwnd, WM_MOUSEFIRST, WM_MOUSELAST, PM_REMOVE)); /* Get the menu selection, if any */ if (PeekMessage (&amsg, hwnd, WM_COMMAND, WM_COMMAND, PM_REMOVE)) { retval = LOWORD (amsg.wParam); } else { retval = 0; } } else { retval = -1; } return retval; } default: /* Check for messages registered at runtime. */ if (msg == msh_mousewheel) { wmsg.dwModifiers = w32_get_modifiers (); my_post_msg (&wmsg, hwnd, msg, wParam, lParam); return 0; } dflt: return DefWindowProc (hwnd, msg, wParam, lParam); } /* The most common default return code for handled messages is 0. */ return 0; } void my_create_window (f) struct frame * f; { MSG msg; if (!PostThreadMessage (dwWindowsThreadId, WM_EMACS_CREATEWINDOW, (WPARAM)f, 0)) abort (); GetMessage (&msg, NULL, WM_EMACS_DONE, WM_EMACS_DONE); } /* Create and set up the w32 window for frame F. */ static void w32_window (f, window_prompting, minibuffer_only) struct frame *f; long window_prompting; int minibuffer_only; { BLOCK_INPUT; /* Use the resource name as the top-level window name for looking up resources. Make a non-Lisp copy for the window manager, so GC relocation won't bother it. Elsewhere we specify the window name for the window manager. */ { char *str = (char *) XSTRING (Vx_resource_name)->data; f->namebuf = (char *) xmalloc (strlen (str) + 1); strcpy (f->namebuf, str); } my_create_window (f); validate_x_resource_name (); /* x_set_name normally ignores requests to set the name if the requested name is the same as the current name. This is the one place where that assumption isn't correct; f->name is set, but the server hasn't been told. */ { Lisp_Object name; int explicit = f->explicit_name; f->explicit_name = 0; name = f->name; f->name = Qnil; x_set_name (f, name, explicit); } UNBLOCK_INPUT; if (!minibuffer_only && FRAME_EXTERNAL_MENU_BAR (f)) initialize_frame_menubar (f); if (FRAME_W32_WINDOW (f) == 0) error ("Unable to create window"); } /* Handle the icon stuff for this window. Perhaps later we might want an x_set_icon_position which can be called interactively as well. */ static void x_icon (f, parms) struct frame *f; Lisp_Object parms; { Lisp_Object icon_x, icon_y; /* Set the position of the icon. Note that Windows 95 groups all icons in the tray. */ icon_x = w32_get_arg (parms, Qicon_left, 0, 0, RES_TYPE_NUMBER); icon_y = w32_get_arg (parms, Qicon_top, 0, 0, RES_TYPE_NUMBER); if (!EQ (icon_x, Qunbound) && !EQ (icon_y, Qunbound)) { CHECK_NUMBER (icon_x, 0); CHECK_NUMBER (icon_y, 0); } else if (!EQ (icon_x, Qunbound) || !EQ (icon_y, Qunbound)) error ("Both left and top icon corners of icon must be specified"); BLOCK_INPUT; if (! EQ (icon_x, Qunbound)) x_wm_set_icon_position (f, XINT (icon_x), XINT (icon_y)); #if 0 /* TODO */ /* Start up iconic or window? */ x_wm_set_window_state (f, (EQ (w32_get_arg (parms, Qvisibility, 0, 0, RES_TYPE_SYMBOL), Qicon) ? IconicState : NormalState)); x_text_icon (f, (char *) XSTRING ((!NILP (f->icon_name) ? f->icon_name : f->name))->data); #endif UNBLOCK_INPUT; } static void x_make_gc (f) struct frame *f; { XGCValues gc_values; BLOCK_INPUT; /* Create the GC's of this frame. Note that many default values are used. */ /* Normal video */ gc_values.font = f->output_data.w32->font; /* Cursor has cursor-color background, background-color foreground. */ gc_values.foreground = FRAME_BACKGROUND_PIXEL (f); gc_values.background = f->output_data.w32->cursor_pixel; f->output_data.w32->cursor_gc = XCreateGC (NULL, FRAME_W32_WINDOW (f), (GCFont | GCForeground | GCBackground), &gc_values); /* Reliefs. */ f->output_data.w32->white_relief.gc = 0; f->output_data.w32->black_relief.gc = 0; UNBLOCK_INPUT; } DEFUN ("x-create-frame", Fx_create_frame, Sx_create_frame, 1, 1, 0, "Make a new window, which is called a \"frame\" in Emacs terms.\n\ Returns an Emacs frame object.\n\ ALIST is an alist of frame parameters.\n\ If the parameters specify that the frame should not have a minibuffer,\n\ and do not specify a specific minibuffer window to use,\n\ then `default-minibuffer-frame' must be a frame whose minibuffer can\n\ be shared by the new frame.\n\ \n\ This function is an internal primitive--use `make-frame' instead.") (parms) Lisp_Object parms; { struct frame *f; Lisp_Object frame, tem; Lisp_Object name; int minibuffer_only = 0; long window_prompting = 0; int width, height; int count = specpdl_ptr - specpdl; struct gcpro gcpro1, gcpro2, gcpro3, gcpro4; Lisp_Object display; struct w32_display_info *dpyinfo = NULL; Lisp_Object parent; struct kboard *kb; check_w32 (); /* Use this general default value to start with until we know if this frame has a specified name. */ Vx_resource_name = Vinvocation_name; display = w32_get_arg (parms, Qdisplay, 0, 0, RES_TYPE_STRING); if (EQ (display, Qunbound)) display = Qnil; dpyinfo = check_x_display_info (display); #ifdef MULTI_KBOARD kb = dpyinfo->kboard; #else kb = &the_only_kboard; #endif name = w32_get_arg (parms, Qname, "name", "Name", RES_TYPE_STRING); if (!STRINGP (name) && ! EQ (name, Qunbound) && ! NILP (name)) error ("Invalid frame name--not a string or nil"); if (STRINGP (name)) Vx_resource_name = name; /* See if parent window is specified. */ parent = w32_get_arg (parms, Qparent_id, NULL, NULL, RES_TYPE_NUMBER); if (EQ (parent, Qunbound)) parent = Qnil; if (! NILP (parent)) CHECK_NUMBER (parent, 0); /* make_frame_without_minibuffer can run Lisp code and garbage collect. */ /* No need to protect DISPLAY because that's not used after passing it to make_frame_without_minibuffer. */ frame = Qnil; GCPRO4 (parms, parent, name, frame); tem = w32_get_arg (parms, Qminibuffer, "minibuffer", "Minibuffer", RES_TYPE_SYMBOL); if (EQ (tem, Qnone) || NILP (tem)) f = make_frame_without_minibuffer (Qnil, kb, display); else if (EQ (tem, Qonly)) { f = make_minibuffer_frame (); minibuffer_only = 1; } else if (WINDOWP (tem)) f = make_frame_without_minibuffer (tem, kb, display); else f = make_frame (1); XSETFRAME (frame, f); /* Note that Windows does support scroll bars. */ FRAME_CAN_HAVE_SCROLL_BARS (f) = 1; /* By default, make scrollbars the system standard width. */ f->scroll_bar_pixel_width = GetSystemMetrics (SM_CXVSCROLL); f->output_method = output_w32; f->output_data.w32 = (struct w32_output *) xmalloc (sizeof (struct w32_output)); bzero (f->output_data.w32, sizeof (struct w32_output)); FRAME_FONTSET (f) = -1; f->icon_name = w32_get_arg (parms, Qicon_name, "iconName", "Title", RES_TYPE_STRING); if (! STRINGP (f->icon_name)) f->icon_name = Qnil; /* FRAME_W32_DISPLAY_INFO (f) = dpyinfo; */ #ifdef MULTI_KBOARD FRAME_KBOARD (f) = kb; #endif /* Specify the parent under which to make this window. */ if (!NILP (parent)) { f->output_data.w32->parent_desc = (Window) XFASTINT (parent); f->output_data.w32->explicit_parent = 1; } else { f->output_data.w32->parent_desc = FRAME_W32_DISPLAY_INFO (f)->root_window; f->output_data.w32->explicit_parent = 0; } /* Set the name; the functions to which we pass f expect the name to be set. */ if (EQ (name, Qunbound) || NILP (name)) { f->name = build_string (dpyinfo->w32_id_name); f->explicit_name = 0; } else { f->name = name; f->explicit_name = 1; /* use the frame's title when getting resources for this frame. */ specbind (Qx_resource_name, name); } /* Extract the window parameters from the supplied values that are needed to determine window geometry. */ { Lisp_Object font; font = w32_get_arg (parms, Qfont, "font", "Font", RES_TYPE_STRING); BLOCK_INPUT; /* First, try whatever font the caller has specified. */ if (STRINGP (font)) { tem = Fquery_fontset (font, Qnil); if (STRINGP (tem)) font = x_new_fontset (f, XSTRING (tem)->data); else font = x_new_font (f, XSTRING (font)->data); } /* Try out a font which we hope has bold and italic variations. */ if (!STRINGP (font)) font = x_new_font (f, "-*-Courier New-normal-r-*-*-*-100-*-*-c-*-iso8859-1"); if (! STRINGP (font)) font = x_new_font (f, "-*-Courier-normal-r-*-*-13-*-*-*-c-*-iso8859-1"); /* If those didn't work, look for something which will at least work. */ if (! STRINGP (font)) font = x_new_font (f, "-*-Fixedsys-normal-r-*-*-12-*-*-*-c-*-iso8859-1"); UNBLOCK_INPUT; if (! STRINGP (font)) font = build_string ("Fixedsys"); x_default_parameter (f, parms, Qfont, font, "font", "Font", RES_TYPE_STRING); } x_default_parameter (f, parms, Qborder_width, make_number (2), "borderWidth", "BorderWidth", RES_TYPE_NUMBER); /* This defaults to 2 in order to match xterm. We recognize either internalBorderWidth or internalBorder (which is what xterm calls it). */ if (NILP (Fassq (Qinternal_border_width, parms))) { Lisp_Object value; value = w32_get_arg (parms, Qinternal_border_width, "internalBorder", "InternalBorder", RES_TYPE_NUMBER); if (! EQ (value, Qunbound)) parms = Fcons (Fcons (Qinternal_border_width, value), parms); } /* Default internalBorderWidth to 0 on Windows to match other programs. */ x_default_parameter (f, parms, Qinternal_border_width, make_number (0), "internalBorderWidth", "InternalBorder", RES_TYPE_NUMBER); x_default_parameter (f, parms, Qvertical_scroll_bars, Qright, "verticalScrollBars", "ScrollBars", RES_TYPE_SYMBOL); /* Also do the stuff which must be set before the window exists. */ x_default_parameter (f, parms, Qforeground_color, build_string ("black"), "foreground", "Foreground", RES_TYPE_STRING); x_default_parameter (f, parms, Qbackground_color, build_string ("white"), "background", "Background", RES_TYPE_STRING); x_default_parameter (f, parms, Qmouse_color, build_string ("black"), "pointerColor", "Foreground", RES_TYPE_STRING); x_default_parameter (f, parms, Qcursor_color, build_string ("black"), "cursorColor", "Foreground", RES_TYPE_STRING); x_default_parameter (f, parms, Qborder_color, build_string ("black"), "borderColor", "BorderColor", RES_TYPE_STRING); x_default_parameter (f, parms, Qscreen_gamma, Qnil, "screenGamma", "ScreenGamma", RES_TYPE_FLOAT); x_default_parameter (f, parms, Qline_spacing, Qnil, "lineSpacing", "LineSpacing", RES_TYPE_NUMBER); /* Init faces before x_default_parameter is called for scroll-bar parameters because that function calls x_set_scroll_bar_width, which calls change_frame_size, which calls Fset_window_buffer, which runs hooks, which call Fvertical_motion. At the end, we end up in init_iterator with a null face cache, which should not happen. */ init_frame_faces (f); x_default_parameter (f, parms, Qmenu_bar_lines, make_number (1), "menuBar", "MenuBar", RES_TYPE_NUMBER); x_default_parameter (f, parms, Qtool_bar_lines, make_number (0), "toolBar", "ToolBar", RES_TYPE_NUMBER); x_default_parameter (f, parms, Qbuffer_predicate, Qnil, "bufferPredicate", "BufferPredicate", RES_TYPE_SYMBOL); x_default_parameter (f, parms, Qtitle, Qnil, "title", "Title", RES_TYPE_STRING); f->output_data.w32->dwStyle = WS_OVERLAPPEDWINDOW; f->output_data.w32->parent_desc = FRAME_W32_DISPLAY_INFO (f)->root_window; window_prompting = x_figure_window_size (f, parms); if (window_prompting & XNegative) { if (window_prompting & YNegative) f->output_data.w32->win_gravity = SouthEastGravity; else f->output_data.w32->win_gravity = NorthEastGravity; } else { if (window_prompting & YNegative) f->output_data.w32->win_gravity = SouthWestGravity; else f->output_data.w32->win_gravity = NorthWestGravity; } f->output_data.w32->size_hint_flags = window_prompting; tem = w32_get_arg (parms, Qunsplittable, 0, 0, RES_TYPE_BOOLEAN); f->no_split = minibuffer_only || EQ (tem, Qt); /* Create the window. Add the tool-bar height to the initial frame height so that the user gets a text display area of the size he specified with -g or via the registry. Later changes of the tool-bar height don't change the frame size. This is done so that users can create tall Emacs frames without having to guess how tall the tool-bar will get. */ f->height += FRAME_TOOL_BAR_LINES (f); w32_window (f, window_prompting, minibuffer_only); x_icon (f, parms); x_make_gc (f); /* Now consider the frame official. */ FRAME_W32_DISPLAY_INFO (f)->reference_count++; Vframe_list = Fcons (frame, Vframe_list); /* We need to do this after creating the window, so that the icon-creation functions can say whose icon they're describing. */ x_default_parameter (f, parms, Qicon_type, Qnil, "bitmapIcon", "BitmapIcon", RES_TYPE_SYMBOL); x_default_parameter (f, parms, Qauto_raise, Qnil, "autoRaise", "AutoRaiseLower", RES_TYPE_BOOLEAN); x_default_parameter (f, parms, Qauto_lower, Qnil, "autoLower", "AutoRaiseLower", RES_TYPE_BOOLEAN); x_default_parameter (f, parms, Qcursor_type, Qbox, "cursorType", "CursorType", RES_TYPE_SYMBOL); x_default_parameter (f, parms, Qscroll_bar_width, Qnil, "scrollBarWidth", "ScrollBarWidth", RES_TYPE_NUMBER); /* Dimensions, especially f->height, must be done via change_frame_size. Change will not be effected unless different from the current f->height. */ width = f->width; height = f->height; f->height = 0; SET_FRAME_WIDTH (f, 0); change_frame_size (f, height, width, 1, 0, 0); /* Tell the server what size and position, etc, we want, and how badly we want them. This should be done after we have the menu bar so that its size can be taken into account. */ BLOCK_INPUT; x_wm_set_size_hint (f, window_prompting, 0); UNBLOCK_INPUT; /* Make the window appear on the frame and enable display, unless the caller says not to. However, with explicit parent, Emacs cannot control visibility, so don't try. */ if (! f->output_data.w32->explicit_parent) { Lisp_Object visibility; visibility = w32_get_arg (parms, Qvisibility, 0, 0, RES_TYPE_SYMBOL); if (EQ (visibility, Qunbound)) visibility = Qt; if (EQ (visibility, Qicon)) x_iconify_frame (f); else if (! NILP (visibility)) x_make_frame_visible (f); else /* Must have been Qnil. */ ; } UNGCPRO; return unbind_to (count, frame); } /* FRAME is used only to get a handle on the X display. We don't pass the display info directly because we're called from frame.c, which doesn't know about that structure. */ Lisp_Object x_get_focus_frame (frame) struct frame *frame; { struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (frame); Lisp_Object xfocus; if (! dpyinfo->w32_focus_frame) return Qnil; XSETFRAME (xfocus, dpyinfo->w32_focus_frame); return xfocus; } DEFUN ("w32-focus-frame", Fw32_focus_frame, Sw32_focus_frame, 1, 1, 0, "Give FRAME input focus, raising to foreground if necessary.") (frame) Lisp_Object frame; { x_focus_on_frame (check_x_frame (frame)); return Qnil; } struct font_info *w32_load_bdf_font (struct frame *f, char *fontname, int size, char* filename); struct font_info * w32_load_system_font (f,fontname,size) struct frame *f; char * fontname; int size; { struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); Lisp_Object font_names; /* Get a list of all the fonts that match this name. Once we have a list of matching fonts, we compare them against the fonts we already have loaded by comparing names. */ font_names = w32_list_fonts (f, build_string (fontname), size, 100); if (!NILP (font_names)) { Lisp_Object tail; int i; /* First check if any are already loaded, as that is cheaper than loading another one. */ for (i = 0; i < dpyinfo->n_fonts; i++) for (tail = font_names; CONSP (tail); tail = XCDR (tail)) if (dpyinfo->font_table[i].name && (!strcmp (dpyinfo->font_table[i].name, XSTRING (XCAR (tail))->data) || !strcmp (dpyinfo->font_table[i].full_name, XSTRING (XCAR (tail))->data))) return (dpyinfo->font_table + i); fontname = (char *) XSTRING (XCAR (font_names))->data; } else if (w32_strict_fontnames) { /* If EnumFontFamiliesEx was available, we got a full list of fonts back so stop now to avoid the possibility of loading a random font. If we had to fall back to EnumFontFamilies, the list is incomplete, so continue whether the font we want was listed or not. */ HMODULE gdi32 = GetModuleHandle ("gdi32.dll"); FARPROC enum_font_families_ex = GetProcAddress (gdi32, "EnumFontFamiliesExA"); if (enum_font_families_ex) return NULL; } /* Load the font and add it to the table. */ { char *full_name, *encoding; XFontStruct *font; struct font_info *fontp; LOGFONT lf; BOOL ok; int i; if (!fontname || !x_to_w32_font (fontname, &lf)) return (NULL); if (!*lf.lfFaceName) /* If no name was specified for the font, we get a random font from CreateFontIndirect - this is not particularly desirable, especially since CreateFontIndirect does not fill out the missing name in lf, so we never know what we ended up with. */ return NULL; font = (XFontStruct *) xmalloc (sizeof (XFontStruct)); bzero (font, sizeof (*font)); /* Set bdf to NULL to indicate that this is a Windows font. */ font->bdf = NULL; BLOCK_INPUT; font->hfont = CreateFontIndirect (&lf); if (font->hfont == NULL) { ok = FALSE; } else { HDC hdc; HANDLE oldobj; hdc = GetDC (dpyinfo->root_window); oldobj = SelectObject (hdc, font->hfont); ok = GetTextMetrics (hdc, &font->tm); font->double_byte_p = GetFontLanguageInfo(hdc) & GCP_DBCS; SelectObject (hdc, oldobj); ReleaseDC (dpyinfo->root_window, hdc); /* Fill out details in lf according to the font that was actually loaded. */ lf.lfHeight = font->tm.tmInternalLeading - font->tm.tmHeight; lf.lfWidth = font->tm.tmAveCharWidth; lf.lfWeight = font->tm.tmWeight; lf.lfItalic = font->tm.tmItalic; lf.lfCharSet = font->tm.tmCharSet; lf.lfPitchAndFamily = ((font->tm.tmPitchAndFamily & TMPF_FIXED_PITCH) ? VARIABLE_PITCH : FIXED_PITCH); lf.lfOutPrecision = ((font->tm.tmPitchAndFamily & TMPF_VECTOR) ? OUT_STROKE_PRECIS : OUT_STRING_PRECIS); w32_cache_char_metrics (font); } UNBLOCK_INPUT; if (!ok) { w32_unload_font (dpyinfo, font); return (NULL); } /* Find a free slot in the font table. */ for (i = 0; i < dpyinfo->n_fonts; ++i) if (dpyinfo->font_table[i].name == NULL) break; /* If no free slot found, maybe enlarge the font table. */ if (i == dpyinfo->n_fonts && dpyinfo->n_fonts == dpyinfo->font_table_size) { int sz; dpyinfo->font_table_size = max (16, 2 * dpyinfo->font_table_size); sz = dpyinfo->font_table_size * sizeof *dpyinfo->font_table; dpyinfo->font_table = (struct font_info *) xrealloc (dpyinfo->font_table, sz); } fontp = dpyinfo->font_table + i; if (i == dpyinfo->n_fonts) ++dpyinfo->n_fonts; /* Now fill in the slots of *FONTP. */ BLOCK_INPUT; fontp->font = font; fontp->font_idx = i; fontp->name = (char *) xmalloc (strlen (fontname) + 1); bcopy (fontname, fontp->name, strlen (fontname) + 1); /* Work out the font's full name. */ full_name = (char *)xmalloc (100); if (full_name && w32_to_x_font (&lf, full_name, 100)) fontp->full_name = full_name; else { /* If all else fails - just use the name we used to load it. */ xfree (full_name); fontp->full_name = fontp->name; } fontp->size = FONT_WIDTH (font); fontp->height = FONT_HEIGHT (font); /* The slot `encoding' specifies how to map a character code-points (0x20..0x7F or 0x2020..0x7F7F) of each charset to the font code-points (0:0x20..0x7F, 1:0xA0..0xFF), or (0:0x20..0x7F, 1:0xA0..0xFF, (0:0x2020..0x7F7F, 1:0xA0A0..0xFFFF, 3:0x20A0..0x7FFF, 2:0xA020..0xFF7F). For the moment, we don't know which charset uses this font. So, we set information in fontp->encoding[1] which is never used by any charset. If mapping can't be decided, set FONT_ENCODING_NOT_DECIDED. */ /* SJIS fonts need to be set to type 4, all others seem to work as type FONT_ENCODING_NOT_DECIDED. */ encoding = strrchr (fontp->name, '-'); if (encoding && stricmp (encoding+1, "sjis") == 0) fontp->encoding[1] = 4; else fontp->encoding[1] = FONT_ENCODING_NOT_DECIDED; /* The following three values are set to 0 under W32, which is what they get set to if XGetFontProperty fails under X. */ fontp->baseline_offset = 0; fontp->relative_compose = 0; fontp->default_ascent = 0; /* Set global flag fonts_changed_p to non-zero if the font loaded has a character with a smaller width than any other character before, or if the font loaded has a smalle>r height than any other font loaded before. If this happens, it will make a glyph matrix reallocation necessary. */ fonts_changed_p = x_compute_min_glyph_bounds (f); UNBLOCK_INPUT; return fontp; } } /* Load font named FONTNAME of size SIZE for frame F, and return a pointer to the structure font_info while allocating it dynamically. If loading fails, return NULL. */ struct font_info * w32_load_font (f,fontname,size) struct frame *f; char * fontname; int size; { Lisp_Object bdf_fonts; struct font_info *retval = NULL; bdf_fonts = w32_list_bdf_fonts (build_string (fontname)); while (!retval && CONSP (bdf_fonts)) { char *bdf_name, *bdf_file; Lisp_Object bdf_pair; bdf_name = XSTRING (XCAR (bdf_fonts))->data; bdf_pair = Fassoc (XCAR (bdf_fonts), Vw32_bdf_filename_alist); bdf_file = XSTRING (XCDR (bdf_pair))->data; retval = w32_load_bdf_font (f, bdf_name, size, bdf_file); bdf_fonts = XCDR (bdf_fonts); } if (retval) return retval; return w32_load_system_font(f, fontname, size); } void w32_unload_font (dpyinfo, font) struct w32_display_info *dpyinfo; XFontStruct * font; { if (font) { if (font->per_char) xfree (font->per_char); if (font->bdf) w32_free_bdf_font (font->bdf); if (font->hfont) DeleteObject(font->hfont); xfree (font); } } /* The font conversion stuff between x and w32 */ /* X font string is as follows (from faces.el) * (let ((- "[-?]") * (foundry "[^-]+") * (family "[^-]+") * (weight "\\(bold\\|demibold\\|medium\\)") ; 1 * (weight\? "\\([^-]*\\)") ; 1 * (slant "\\([ior]\\)") ; 2 * (slant\? "\\([^-]?\\)") ; 2 * (swidth "\\([^-]*\\)") ; 3 * (adstyle "[^-]*") ; 4 * (pixelsize "[0-9]+") * (pointsize "[0-9][0-9]+") * (resx "[0-9][0-9]+") * (resy "[0-9][0-9]+") * (spacing "[cmp?*]") * (avgwidth "[0-9]+") * (registry "[^-]+") * (encoding "[^-]+") * ) */ LONG x_to_w32_weight (lpw) char * lpw; { if (!lpw) return (FW_DONTCARE); if (stricmp (lpw,"heavy") == 0) return FW_HEAVY; else if (stricmp (lpw,"extrabold") == 0) return FW_EXTRABOLD; else if (stricmp (lpw,"bold") == 0) return FW_BOLD; else if (stricmp (lpw,"demibold") == 0) return FW_SEMIBOLD; else if (stricmp (lpw,"semibold") == 0) return FW_SEMIBOLD; else if (stricmp (lpw,"medium") == 0) return FW_MEDIUM; else if (stricmp (lpw,"normal") == 0) return FW_NORMAL; else if (stricmp (lpw,"light") == 0) return FW_LIGHT; else if (stricmp (lpw,"extralight") == 0) return FW_EXTRALIGHT; else if (stricmp (lpw,"thin") == 0) return FW_THIN; else return FW_DONTCARE; } char * w32_to_x_weight (fnweight) int fnweight; { if (fnweight >= FW_HEAVY) return "heavy"; if (fnweight >= FW_EXTRABOLD) return "extrabold"; if (fnweight >= FW_BOLD) return "bold"; if (fnweight >= FW_SEMIBOLD) return "demibold"; if (fnweight >= FW_MEDIUM) return "medium"; if (fnweight >= FW_NORMAL) return "normal"; if (fnweight >= FW_LIGHT) return "light"; if (fnweight >= FW_EXTRALIGHT) return "extralight"; if (fnweight >= FW_THIN) return "thin"; else return "*"; } LONG x_to_w32_charset (lpcs) char * lpcs; { Lisp_Object rest; /* Look through w32-charset-info-alist for the character set. Format of each entry is (CHARSET_NAME . (WINDOWS_CHARSET . CODEPAGE)). */ for (rest = Vw32_charset_info_alist; CONSP (rest); rest = XCDR (rest)) { Lisp_Object this_entry = XCAR (rest); char * x_charset = XSTRING (XCAR (this_entry))->data; if (strnicmp (lpcs, x_charset, strlen(x_charset)) == 0) { Lisp_Object w32_charset = XCAR (XCDR (this_entry)); // Translate Lisp symbol to number. if (w32_charset == Qw32_charset_ansi) return ANSI_CHARSET; if (w32_charset == Qw32_charset_symbol) return SYMBOL_CHARSET; if (w32_charset == Qw32_charset_shiftjis) return SHIFTJIS_CHARSET; if (w32_charset == Qw32_charset_hangul) return HANGEUL_CHARSET; if (w32_charset == Qw32_charset_chinesebig5) return CHINESEBIG5_CHARSET; if (w32_charset == Qw32_charset_gb2312) return GB2312_CHARSET; if (w32_charset == Qw32_charset_oem) return OEM_CHARSET; #ifdef JOHAB_CHARSET if (w32_charset == Qw32_charset_johab) return JOHAB_CHARSET; if (w32_charset == Qw32_charset_easteurope) return EASTEUROPE_CHARSET; if (w32_charset == Qw32_charset_turkish) return TURKISH_CHARSET; if (w32_charset == Qw32_charset_baltic) return BALTIC_CHARSET; if (w32_charset == Qw32_charset_russian) return RUSSIAN_CHARSET; if (w32_charset == Qw32_charset_arabic) return ARABIC_CHARSET; if (w32_charset == Qw32_charset_greek) return GREEK_CHARSET; if (w32_charset == Qw32_charset_hebrew) return HEBREW_CHARSET; if (w32_charset == Qw32_charset_thai) return THAI_CHARSET; if (w32_charset == Qw32_charset_mac) return MAC_CHARSET; #endif /* JOHAB_CHARSET */ #ifdef UNICODE_CHARSET if (w32_charset == Qw32_charset_unicode) return UNICODE_CHARSET; #endif } } return DEFAULT_CHARSET; } char * w32_to_x_charset (fncharset) int fncharset; { static char buf[16]; /* NTEMACS_TODO: use w32-charset-info-alist. Multiple matches are possible, so this will require more than just a rewrite of this function. w32_to_x_font is the only user of this function, and that will require rewriting too, and its users. */ switch (fncharset) { /* ansi is considered iso8859-1, as most modern ansi fonts are. */ case ANSI_CHARSET: return "iso8859-1"; case DEFAULT_CHARSET: return "ascii-*"; case SYMBOL_CHARSET: return "ms-symbol"; case SHIFTJIS_CHARSET: return "jisx0208-sjis"; case HANGEUL_CHARSET: return "ksc5601.1987-*"; case GB2312_CHARSET: return "gb2312-*"; case CHINESEBIG5_CHARSET: return "big5-*"; case OEM_CHARSET: return "ms-oem"; /* More recent versions of Windows (95 and NT4.0) define more character sets. */ #ifdef EASTEUROPE_CHARSET case EASTEUROPE_CHARSET: return "iso8859-2"; case TURKISH_CHARSET: return "iso8859-9"; case BALTIC_CHARSET: return "iso8859-4"; /* W95 with international support but not IE4 often has the KOI8-R codepage but not ISO8859-5. */ case RUSSIAN_CHARSET: if (!IsValidCodePage(28595) && IsValidCodePage(20886)) return "koi8-r"; else return "iso8859-5"; case ARABIC_CHARSET: return "iso8859-6"; case GREEK_CHARSET: return "iso8859-7"; case HEBREW_CHARSET: return "iso8859-8"; case VIETNAMESE_CHARSET: return "viscii1.1-*"; case THAI_CHARSET: return "tis620-*"; case MAC_CHARSET: return "mac-*"; case JOHAB_CHARSET: return "ksc5601.1992-*"; #endif #ifdef UNICODE_CHARSET case UNICODE_CHARSET: return "iso10646-unicode"; #endif } /* Encode numerical value of unknown charset. */ sprintf (buf, "*-#%u", fncharset); return buf; } /* Get the Windows codepage corresponding to the specified font. The charset info in the font name is used to look up w32-charset-to-codepage-alist. */ int w32_codepage_for_font (char *fontname) { Lisp_Object codepage; char charset_str[20], *charset, *end; /* Extract charset part of font string. */ if (sscanf (fontname, "-%*[^-]-%*[^-]-%*[^-]-%*[^-]-%*[^-]-%*[^-]-%*[^-]-%*[^-]-%*[^-]-%*[^-]-%*[^-]-%*[^-]-%19s", charset_str) < 1) return CP_DEFAULT; /* Remove leading "*-". */ if (strncmp ("*-", charset_str, 2) == 0) charset = charset_str + 2; else charset = charset_str; /* Stop match at wildcard (including preceding '-'). */ if (end = strchr (charset, '*')) { if (end > charset && *(end-1) == '-') end--; *end = '\0'; } codepage = Fcdr (Fcdr (Fassoc (build_string(charset), Vw32_charset_info_alist))); if (INTEGERP (codepage)) return XINT (codepage); else return CP_DEFAULT; } BOOL w32_to_x_font (lplogfont, lpxstr, len) LOGFONT * lplogfont; char * lpxstr; int len; { char* fonttype; char *fontname; char height_pixels[8]; char height_dpi[8]; char width_pixels[8]; char *fontname_dash; int display_resy = one_w32_display_info.resy; int display_resx = one_w32_display_info.resx; int bufsz; struct coding_system coding; if (!lpxstr) abort (); if (!lplogfont) return FALSE; if (lplogfont->lfOutPrecision == OUT_STRING_PRECIS) fonttype = "raster"; else if (lplogfont->lfOutPrecision == OUT_STROKE_PRECIS) fonttype = "outline"; else fonttype = "unknown"; setup_coding_system (Fcheck_coding_system (Vw32_system_coding_system), &coding); coding.src_multibyte = 0; coding.dst_multibyte = 1; coding.mode |= CODING_MODE_LAST_BLOCK; bufsz = decoding_buffer_size (&coding, LF_FACESIZE); fontname = alloca(sizeof(*fontname) * bufsz); decode_coding (&coding, lplogfont->lfFaceName, fontname, strlen(lplogfont->lfFaceName), bufsz - 1); *(fontname + coding.produced) = '\0'; /* Replace dashes with underscores so the dashes are not misinterpreted. */ fontname_dash = fontname; while (fontname_dash = strchr (fontname_dash, '-')) *fontname_dash = '_'; if (lplogfont->lfHeight) { sprintf (height_pixels, "%u", abs (lplogfont->lfHeight)); sprintf (height_dpi, "%u", abs (lplogfont->lfHeight) * 720 / display_resy); } else { strcpy (height_pixels, "*"); strcpy (height_dpi, "*"); } if (lplogfont->lfWidth) sprintf (width_pixels, "%u", lplogfont->lfWidth * 10); else strcpy (width_pixels, "*"); _snprintf (lpxstr, len - 1, "-%s-%s-%s-%c-normal-normal-%s-%s-%d-%d-%c-%s-%s", fonttype, /* foundry */ fontname, /* family */ w32_to_x_weight (lplogfont->lfWeight), /* weight */ lplogfont->lfItalic?'i':'r', /* slant */ /* setwidth name */ /* add style name */ height_pixels, /* pixel size */ height_dpi, /* point size */ display_resx, /* resx */ display_resy, /* resy */ ((lplogfont->lfPitchAndFamily & 0x3) == VARIABLE_PITCH) ? 'p' : 'c', /* spacing */ width_pixels, /* avg width */ w32_to_x_charset (lplogfont->lfCharSet) /* charset registry and encoding*/ ); lpxstr[len - 1] = 0; /* just to be sure */ return (TRUE); } BOOL x_to_w32_font (lpxstr, lplogfont) char * lpxstr; LOGFONT * lplogfont; { struct coding_system coding; if (!lplogfont) return (FALSE); memset (lplogfont, 0, sizeof (*lplogfont)); /* Set default value for each field. */ #if 1 lplogfont->lfOutPrecision = OUT_DEFAULT_PRECIS; lplogfont->lfClipPrecision = CLIP_DEFAULT_PRECIS; lplogfont->lfQuality = DEFAULT_QUALITY; #else /* go for maximum quality */ lplogfont->lfOutPrecision = OUT_STROKE_PRECIS; lplogfont->lfClipPrecision = CLIP_STROKE_PRECIS; lplogfont->lfQuality = PROOF_QUALITY; #endif lplogfont->lfCharSet = DEFAULT_CHARSET; lplogfont->lfWeight = FW_DONTCARE; lplogfont->lfPitchAndFamily = DEFAULT_PITCH | FF_DONTCARE; if (!lpxstr) return FALSE; /* Provide a simple escape mechanism for specifying Windows font names * directly -- if font spec does not beginning with '-', assume this * format: * "[:height in pixels[:width in pixels[:weight]]]" */ if (*lpxstr == '-') { int fields, tem; char name[50], weight[20], slant, pitch, pixels[10], height[10], width[10], resy[10], remainder[20]; char * encoding; int dpi = one_w32_display_info.resy; fields = sscanf (lpxstr, "-%*[^-]-%49[^-]-%19[^-]-%c-%*[^-]-%*[^-]-%9[^-]-%9[^-]-%*[^-]-%9[^-]-%c-%9[^-]-%19s", name, weight, &slant, pixels, height, resy, &pitch, width, remainder); if (fields == EOF) return (FALSE); /* If wildcards cover more than one field, we don't know which field is which, so don't fill any in. */ if (fields < 9) fields = 0; if (fields > 0 && name[0] != '*') { int bufsize; unsigned char *buf; setup_coding_system (Fcheck_coding_system (Vw32_system_coding_system), &coding); coding.src_multibyte = 1; coding.dst_multibyte = 1; bufsize = encoding_buffer_size (&coding, strlen (name)); buf = (unsigned char *) alloca (bufsize); coding.mode |= CODING_MODE_LAST_BLOCK; encode_coding (&coding, name, buf, strlen (name), bufsize); if (coding.produced >= LF_FACESIZE) coding.produced = LF_FACESIZE - 1; buf[coding.produced] = 0; strcpy (lplogfont->lfFaceName, buf); } else { lplogfont->lfFaceName[0] = '\0'; } fields--; lplogfont->lfWeight = x_to_w32_weight ((fields > 0 ? weight : "")); fields--; if (!NILP (Vw32_enable_synthesized_fonts)) lplogfont->lfItalic = (fields > 0 && slant == 'i'); fields--; if (fields > 0 && pixels[0] != '*') lplogfont->lfHeight = atoi (pixels); fields--; fields--; if (fields > 0 && resy[0] != '*') { tem = atoi (resy); if (tem > 0) dpi = tem; } if (fields > -1 && lplogfont->lfHeight == 0 && height[0] != '*') lplogfont->lfHeight = atoi (height) * dpi / 720; if (fields > 0) lplogfont->lfPitchAndFamily = (fields > 0 && pitch == 'p') ? VARIABLE_PITCH : FIXED_PITCH; fields--; if (fields > 0 && width[0] != '*') lplogfont->lfWidth = atoi (width) / 10; fields--; /* Strip the trailing '-' if present. (it shouldn't be, as it fails the test against xlfd-tight-regexp in fontset.el). */ { int len = strlen (remainder); if (len > 0 && remainder[len-1] == '-') remainder[len-1] = 0; } encoding = remainder; if (strncmp (encoding, "*-", 2) == 0) encoding += 2; lplogfont->lfCharSet = x_to_w32_charset (fields > 0 ? encoding : ""); } else { int fields; char name[100], height[10], width[10], weight[20]; fields = sscanf (lpxstr, "%99[^:]:%9[^:]:%9[^:]:%19s", name, height, width, weight); if (fields == EOF) return (FALSE); if (fields > 0) { strncpy (lplogfont->lfFaceName,name, LF_FACESIZE); lplogfont->lfFaceName[LF_FACESIZE-1] = 0; } else { lplogfont->lfFaceName[0] = 0; } fields--; if (fields > 0) lplogfont->lfHeight = atoi (height); fields--; if (fields > 0) lplogfont->lfWidth = atoi (width); fields--; lplogfont->lfWeight = x_to_w32_weight ((fields > 0 ? weight : "")); } /* This makes TrueType fonts work better. */ lplogfont->lfHeight = - abs (lplogfont->lfHeight); return (TRUE); } /* Strip the pixel height and point height from the given xlfd, and return the pixel height. If no pixel height is specified, calculate one from the point height, or if that isn't defined either, return 0 (which usually signifies a scalable font). */ int xlfd_strip_height (char *fontname) { int pixel_height, point_height, dpi, field_number; char *read_from, *write_to; xassert (fontname); pixel_height = field_number = 0; write_to = NULL; /* Look for height fields. */ for (read_from = fontname; *read_from; read_from++) { if (*read_from == '-') { field_number++; if (field_number == 7) /* Pixel height. */ { read_from++; write_to = read_from; /* Find end of field. */ for (;*read_from && *read_from != '-'; read_from++) ; /* Split the fontname at end of field. */ if (*read_from) { *read_from = '\0'; read_from++; } pixel_height = atoi (write_to); /* Blank out field. */ if (read_from > write_to) { *write_to = '-'; write_to++; } /* If the pixel height field is at the end (partial xfld), return now. */ else return pixel_height; /* If we got a pixel height, the point height can be ignored. Just blank it out and break now. */ if (pixel_height) { /* Find end of point size field. */ for (; *read_from && *read_from != '-'; read_from++) ; if (*read_from) read_from++; /* Blank out the point size field. */ if (read_from > write_to) { *write_to = '-'; write_to++; } else return pixel_height; break; } /* If the point height is already blank, break now. */ if (*read_from == '-') { read_from++; break; } } else if (field_number == 8) { /* If we didn't get a pixel height, try to get the point height and convert that. */ int point_size; char *point_size_start = read_from++; /* Find end of field. */ for (; *read_from && *read_from != '-'; read_from++) ; if (*read_from) { *read_from = '\0'; read_from++; } point_size = atoi (point_size_start); /* Convert to pixel height. */ pixel_height = point_size * one_w32_display_info.height_in / 720; /* Blank out this field and break. */ *write_to = '-'; write_to++; break; } } } /* Shift the rest of the font spec into place. */ if (write_to && read_from > write_to) { for (; *read_from; read_from++, write_to++) *write_to = *read_from; *write_to = '\0'; } return pixel_height; } /* Assume parameter 1 is fully qualified, no wildcards. */ BOOL w32_font_match (fontname, pattern) char * fontname; char * pattern; { char *regex = alloca (strlen (pattern) * 2); char *font_name_copy = alloca (strlen (fontname) + 1); char *ptr; /* Copy fontname so we can modify it during comparison. */ strcpy (font_name_copy, fontname); ptr = regex; *ptr++ = '^'; /* Turn pattern into a regexp and do a regexp match. */ for (; *pattern; pattern++) { if (*pattern == '?') *ptr++ = '.'; else if (*pattern == '*') { *ptr++ = '.'; *ptr++ = '*'; } else *ptr++ = *pattern; } *ptr = '$'; *(ptr + 1) = '\0'; /* Strip out font heights and compare them seperately, since rounding error can cause mismatches. This also allows a comparison between a font that declares only a pixel height and a pattern that declares the point height. */ { int font_height, pattern_height; font_height = xlfd_strip_height (font_name_copy); pattern_height = xlfd_strip_height (regex); /* Compare now, and don't bother doing expensive regexp matching if the heights differ. */ if (font_height && pattern_height && (font_height != pattern_height)) return FALSE; } return (fast_c_string_match_ignore_case (build_string (regex), font_name_copy) >= 0); } /* Callback functions, and a structure holding info they need, for listing system fonts on W32. We need one set of functions to do the job properly, but these don't work on NT 3.51 and earlier, so we have a second set which don't handle character sets properly to fall back on. In both cases, there are two passes made. The first pass gets one font from each family, the second pass lists all the fonts from each family. */ typedef struct enumfont_t { HDC hdc; int numFonts; LOGFONT logfont; XFontStruct *size_ref; Lisp_Object *pattern; Lisp_Object *tail; } enumfont_t; int CALLBACK enum_font_cb2 (lplf, lptm, FontType, lpef) ENUMLOGFONT * lplf; NEWTEXTMETRIC * lptm; int FontType; enumfont_t * lpef; { if (lplf->elfLogFont.lfStrikeOut || lplf->elfLogFont.lfUnderline) return (1); /* Check that the character set matches if it was specified */ if (lpef->logfont.lfCharSet != DEFAULT_CHARSET && lplf->elfLogFont.lfCharSet != lpef->logfont.lfCharSet) return (1); { char buf[100]; Lisp_Object width = Qnil; /* Truetype fonts do not report their true metrics until loaded */ if (FontType != RASTER_FONTTYPE) { if (!NILP (*(lpef->pattern))) { /* Scalable fonts are as big as you want them to be. */ lplf->elfLogFont.lfHeight = lpef->logfont.lfHeight; lplf->elfLogFont.lfWidth = lpef->logfont.lfWidth; width = make_number (lpef->logfont.lfWidth); } else { lplf->elfLogFont.lfHeight = 0; lplf->elfLogFont.lfWidth = 0; } } /* Make sure the height used here is the same as everywhere else (ie character height, not cell height). */ if (lplf->elfLogFont.lfHeight > 0) { /* lptm can be trusted for RASTER fonts, but not scalable ones. */ if (FontType == RASTER_FONTTYPE) lplf->elfLogFont.lfHeight = lptm->tmInternalLeading - lptm->tmHeight; else lplf->elfLogFont.lfHeight = -lplf->elfLogFont.lfHeight; } if (!w32_to_x_font (&(lplf->elfLogFont), buf, 100)) return (0); if (NILP (*(lpef->pattern)) || w32_font_match (buf, XSTRING (*(lpef->pattern))->data)) { *lpef->tail = Fcons (Fcons (build_string (buf), width), Qnil); lpef->tail = &(XCDR (*lpef->tail)); lpef->numFonts++; } } return (1); } int CALLBACK enum_font_cb1 (lplf, lptm, FontType, lpef) ENUMLOGFONT * lplf; NEWTEXTMETRIC * lptm; int FontType; enumfont_t * lpef; { return EnumFontFamilies (lpef->hdc, lplf->elfLogFont.lfFaceName, (FONTENUMPROC) enum_font_cb2, (LPARAM) lpef); } int CALLBACK enum_fontex_cb2 (lplf, lptm, font_type, lpef) ENUMLOGFONTEX * lplf; NEWTEXTMETRICEX * lptm; int font_type; enumfont_t * lpef; { /* We are not interested in the extra info we get back from the 'Ex version - only the fact that we get character set variations enumerated seperately. */ return enum_font_cb2 ((ENUMLOGFONT *) lplf, (NEWTEXTMETRIC *) lptm, font_type, lpef); } int CALLBACK enum_fontex_cb1 (lplf, lptm, font_type, lpef) ENUMLOGFONTEX * lplf; NEWTEXTMETRICEX * lptm; int font_type; enumfont_t * lpef; { HMODULE gdi32 = GetModuleHandle ("gdi32.dll"); FARPROC enum_font_families_ex = GetProcAddress ( gdi32, "EnumFontFamiliesExA"); /* We don't really expect EnumFontFamiliesEx to disappear once we get here, so don't bother handling it gracefully. */ if (enum_font_families_ex == NULL) error ("gdi32.dll has disappeared!"); return enum_font_families_ex (lpef->hdc, &lplf->elfLogFont, (FONTENUMPROC) enum_fontex_cb2, (LPARAM) lpef, 0); } /* Interface to fontset handler. (adapted from mw32font.c in Meadow and xterm.c in Emacs 20.3) */ Lisp_Object w32_list_bdf_fonts (Lisp_Object pattern, int max_names) { char *fontname, *ptnstr; Lisp_Object list, tem, newlist = Qnil; int n_fonts = 0; list = Vw32_bdf_filename_alist; ptnstr = XSTRING (pattern)->data; for ( ; CONSP (list); list = XCDR (list)) { tem = XCAR (list); if (CONSP (tem)) fontname = XSTRING (XCAR (tem))->data; else if (STRINGP (tem)) fontname = XSTRING (tem)->data; else continue; if (w32_font_match (fontname, ptnstr)) { newlist = Fcons (XCAR (tem), newlist); n_fonts++; if (n_fonts >= max_names) break; } } return newlist; } Lisp_Object w32_list_synthesized_fonts (FRAME_PTR f, Lisp_Object pattern, int size, int max_names); /* Return a list of names of available fonts matching PATTERN on frame F. If SIZE is not 0, it is the size (maximum bound width) of fonts to be listed. Frame F NULL means we have not yet created any frame, which means we can't get proper size info, as we don't have a device context to use for GetTextMetrics. MAXNAMES sets a limit on how many fonts to match. */ Lisp_Object w32_list_fonts (FRAME_PTR f, Lisp_Object pattern, int size, int maxnames ) { Lisp_Object patterns, key = Qnil, tem, tpat; Lisp_Object list = Qnil, newlist = Qnil, second_best = Qnil; struct w32_display_info *dpyinfo = &one_w32_display_info; int n_fonts = 0; patterns = Fassoc (pattern, Valternate_fontname_alist); if (NILP (patterns)) patterns = Fcons (pattern, Qnil); for (; CONSP (patterns); patterns = XCDR (patterns)) { enumfont_t ef; tpat = XCAR (patterns); /* See if we cached the result for this particular query. The cache is an alist of the form: ((PATTERN (FONTNAME . WIDTH) ...) ...) */ if (tem = XCDR (dpyinfo->name_list_element), !NILP (list = Fassoc (tpat, tem))) { list = Fcdr_safe (list); /* We have a cached list. Don't have to get the list again. */ goto label_cached; } BLOCK_INPUT; /* At first, put PATTERN in the cache. */ list = Qnil; ef.pattern = &tpat; ef.tail = &list; ef.numFonts = 0; /* Use EnumFontFamiliesEx where it is available, as it knows about character sets. Fall back to EnumFontFamilies for older versions of NT that don't support the 'Ex function. */ x_to_w32_font (STRINGP (tpat) ? XSTRING (tpat)->data : NULL, &ef.logfont); { LOGFONT font_match_pattern; HMODULE gdi32 = GetModuleHandle ("gdi32.dll"); FARPROC enum_font_families_ex = GetProcAddress ( gdi32, "EnumFontFamiliesExA"); /* We do our own pattern matching so we can handle wildcards. */ font_match_pattern.lfFaceName[0] = 0; font_match_pattern.lfPitchAndFamily = 0; /* We can use the charset, because if it is a wildcard it will be DEFAULT_CHARSET anyway. */ font_match_pattern.lfCharSet = ef.logfont.lfCharSet; ef.hdc = GetDC (dpyinfo->root_window); if (enum_font_families_ex) enum_font_families_ex (ef.hdc, &font_match_pattern, (FONTENUMPROC) enum_fontex_cb1, (LPARAM) &ef, 0); else EnumFontFamilies (ef.hdc, NULL, (FONTENUMPROC) enum_font_cb1, (LPARAM)&ef); ReleaseDC (dpyinfo->root_window, ef.hdc); } UNBLOCK_INPUT; /* Make a list of the fonts we got back. Store that in the font cache for the display. */ XCDR (dpyinfo->name_list_element) = Fcons (Fcons (tpat, list), XCDR (dpyinfo->name_list_element)); label_cached: if (NILP (list)) continue; /* Try the remaining alternatives. */ newlist = second_best = Qnil; /* Make a list of the fonts that have the right width. */ for (; CONSP (list); list = XCDR (list)) { int found_size; tem = XCAR (list); if (!CONSP (tem)) continue; if (NILP (XCAR (tem))) continue; if (!size) { newlist = Fcons (XCAR (tem), newlist); n_fonts++; if (n_fonts >= maxnames) break; else continue; } if (!INTEGERP (XCDR (tem))) { /* Since we don't yet know the size of the font, we must load it and try GetTextMetrics. */ W32FontStruct thisinfo; LOGFONT lf; HDC hdc; HANDLE oldobj; if (!x_to_w32_font (XSTRING (XCAR (tem))->data, &lf)) continue; BLOCK_INPUT; thisinfo.bdf = NULL; thisinfo.hfont = CreateFontIndirect (&lf); if (thisinfo.hfont == NULL) continue; hdc = GetDC (dpyinfo->root_window); oldobj = SelectObject (hdc, thisinfo.hfont); if (GetTextMetrics (hdc, &thisinfo.tm)) XCDR (tem) = make_number (FONT_WIDTH (&thisinfo)); else XCDR (tem) = make_number (0); SelectObject (hdc, oldobj); ReleaseDC (dpyinfo->root_window, hdc); DeleteObject(thisinfo.hfont); UNBLOCK_INPUT; } found_size = XINT (XCDR (tem)); if (found_size == size) { newlist = Fcons (XCAR (tem), newlist); n_fonts++; if (n_fonts >= maxnames) break; } /* keep track of the closest matching size in case no exact match is found. */ else if (found_size > 0) { if (NILP (second_best)) second_best = tem; else if (found_size < size) { if (XINT (XCDR (second_best)) > size || XINT (XCDR (second_best)) < found_size) second_best = tem; } else { if (XINT (XCDR (second_best)) > size && XINT (XCDR (second_best)) > found_size) second_best = tem; } } } if (!NILP (newlist)) break; else if (!NILP (second_best)) { newlist = Fcons (XCAR (second_best), Qnil); break; } } /* Include any bdf fonts. */ if (n_fonts < maxnames) { Lisp_Object combined[2]; combined[0] = w32_list_bdf_fonts (pattern, maxnames - n_fonts); combined[1] = newlist; newlist = Fnconc(2, combined); } /* If we can't find a font that matches, check if Windows would be able to synthesize it from a different style. */ if (NILP (newlist) && !NILP (Vw32_enable_synthesized_fonts)) newlist = w32_list_synthesized_fonts (f, pattern, size, maxnames); return newlist; } Lisp_Object w32_list_synthesized_fonts (f, pattern, size, max_names) FRAME_PTR f; Lisp_Object pattern; int size; int max_names; { int fields; char *full_pattn, *new_pattn, foundary[50], family[50], *pattn_part2; char style[20], slant; Lisp_Object matches, match, tem, synthed_matches = Qnil; full_pattn = XSTRING (pattern)->data; pattn_part2 = alloca (XSTRING (pattern)->size); /* Allow some space for wildcard expansion. */ new_pattn = alloca (XSTRING (pattern)->size + 100); fields = sscanf (full_pattn, "-%49[^-]-%49[^-]-%19[^-]-%c-%s", foundary, family, style, &slant, pattn_part2); if (fields == EOF || fields < 5) return Qnil; /* If the style and slant are wildcards already there is no point checking again (and we don't want to keep recursing). */ if (*style == '*' && slant == '*') return Qnil; sprintf (new_pattn, "-%s-%s-*-*-%s", foundary, family, pattn_part2); matches = w32_list_fonts (f, build_string (new_pattn), size, max_names); for ( ; CONSP (matches); matches = XCDR (matches)) { tem = XCAR (matches); if (!STRINGP (tem)) continue; full_pattn = XSTRING (tem)->data; fields = sscanf (full_pattn, "-%49[^-]-%49[^-]-%*[^-]-%*c-%s", foundary, family, pattn_part2); if (fields == EOF || fields < 3) continue; sprintf (new_pattn, "-%s-%s-%s-%c-%s", foundary, family, style, slant, pattn_part2); synthed_matches = Fcons (build_string (new_pattn), synthed_matches); } return synthed_matches; } /* Return a pointer to struct font_info of font FONT_IDX of frame F. */ struct font_info * w32_get_font_info (f, font_idx) FRAME_PTR f; int font_idx; { return (FRAME_W32_FONT_TABLE (f) + font_idx); } struct font_info* w32_query_font (struct frame *f, char *fontname) { int i; struct font_info *pfi; pfi = FRAME_W32_FONT_TABLE (f); for (i = 0; i < one_w32_display_info.n_fonts ;i++, pfi++) { if (strcmp(pfi->name, fontname) == 0) return pfi; } return NULL; } /* Find a CCL program for a font specified by FONTP, and set the member `encoder' of the structure. */ void w32_find_ccl_program (fontp) struct font_info *fontp; { Lisp_Object list, elt; for (list = Vfont_ccl_encoder_alist; CONSP (list); list = XCDR (list)) { elt = XCAR (list); if (CONSP (elt) && STRINGP (XCAR (elt)) && (fast_c_string_match_ignore_case (XCAR (elt), fontp->name) >= 0)) break; } if (! NILP (list)) { struct ccl_program *ccl = (struct ccl_program *) xmalloc (sizeof (struct ccl_program)); if (setup_ccl_program (ccl, XCDR (elt)) < 0) xfree (ccl); else fontp->font_encoder = ccl; } } DEFUN ("w32-find-bdf-fonts", Fw32_find_bdf_fonts, Sw32_find_bdf_fonts, 1, 1, 0, "Return a list of BDF fonts in DIR, suitable for appending to\n\ w32-bdf-filename-alist. Fonts which do not contain an xfld description\n\ will not be included in the list. DIR may be a list of directories.") (directory) Lisp_Object directory; { Lisp_Object list = Qnil; struct gcpro gcpro1, gcpro2; if (!CONSP (directory)) return w32_find_bdf_fonts_in_dir (directory); for ( ; CONSP (directory); directory = XCDR (directory)) { Lisp_Object pair[2]; pair[0] = list; pair[1] = Qnil; GCPRO2 (directory, list); pair[1] = w32_find_bdf_fonts_in_dir( XCAR (directory) ); list = Fnconc( 2, pair ); UNGCPRO; } return list; } /* Find BDF files in a specified directory. (use GCPRO when calling, as this calls lisp to get a directory listing). */ Lisp_Object w32_find_bdf_fonts_in_dir( Lisp_Object directory ) { Lisp_Object filelist, list = Qnil; char fontname[100]; if (!STRINGP(directory)) return Qnil; filelist = Fdirectory_files (directory, Qt, build_string (".*\\.[bB][dD][fF]"), Qt); for ( ; CONSP(filelist); filelist = XCDR (filelist)) { Lisp_Object filename = XCAR (filelist); if (w32_BDF_to_x_font (XSTRING (filename)->data, fontname, 100)) store_in_alist (&list, build_string (fontname), filename); } return list; } DEFUN ("xw-color-defined-p", Fxw_color_defined_p, Sxw_color_defined_p, 1, 2, 0, "Internal function called by `color-defined-p', which see.") (color, frame) Lisp_Object color, frame; { XColor foo; FRAME_PTR f = check_x_frame (frame); CHECK_STRING (color, 1); if (w32_defined_color (f, XSTRING (color)->data, &foo, 0)) return Qt; else return Qnil; } DEFUN ("xw-color-values", Fxw_color_values, Sxw_color_values, 1, 2, 0, "Internal function called by `color-values', which see.") (color, frame) Lisp_Object color, frame; { XColor foo; FRAME_PTR f = check_x_frame (frame); CHECK_STRING (color, 1); if (w32_defined_color (f, XSTRING (color)->data, &foo, 0)) { Lisp_Object rgb[3]; rgb[0] = make_number ((GetRValue (foo.pixel) << 8) | GetRValue (foo.pixel)); rgb[1] = make_number ((GetGValue (foo.pixel) << 8) | GetGValue (foo.pixel)); rgb[2] = make_number ((GetBValue (foo.pixel) << 8) | GetBValue (foo.pixel)); return Flist (3, rgb); } else return Qnil; } DEFUN ("xw-display-color-p", Fxw_display_color_p, Sxw_display_color_p, 0, 1, 0, "Internal function called by `display-color-p', which see.") (display) Lisp_Object display; { struct w32_display_info *dpyinfo = check_x_display_info (display); if ((dpyinfo->n_planes * dpyinfo->n_cbits) <= 2) return Qnil; return Qt; } DEFUN ("x-display-grayscale-p", Fx_display_grayscale_p, Sx_display_grayscale_p, 0, 1, 0, "Return t if the X display supports shades of gray.\n\ Note that color displays do support shades of gray.\n\ The optional argument DISPLAY specifies which display to ask about.\n\ DISPLAY should be either a frame or a display name (a string).\n\ If omitted or nil, that stands for the selected frame's display.") (display) Lisp_Object display; { struct w32_display_info *dpyinfo = check_x_display_info (display); if ((dpyinfo->n_planes * dpyinfo->n_cbits) <= 1) return Qnil; return Qt; } DEFUN ("x-display-pixel-width", Fx_display_pixel_width, Sx_display_pixel_width, 0, 1, 0, "Returns the width in pixels of the X display DISPLAY.\n\ The optional argument DISPLAY specifies which display to ask about.\n\ DISPLAY should be either a frame or a display name (a string).\n\ If omitted or nil, that stands for the selected frame's display.") (display) Lisp_Object display; { struct w32_display_info *dpyinfo = check_x_display_info (display); return make_number (dpyinfo->width); } DEFUN ("x-display-pixel-height", Fx_display_pixel_height, Sx_display_pixel_height, 0, 1, 0, "Returns the height in pixels of the X display DISPLAY.\n\ The optional argument DISPLAY specifies which display to ask about.\n\ DISPLAY should be either a frame or a display name (a string).\n\ If omitted or nil, that stands for the selected frame's display.") (display) Lisp_Object display; { struct w32_display_info *dpyinfo = check_x_display_info (display); return make_number (dpyinfo->height); } DEFUN ("x-display-planes", Fx_display_planes, Sx_display_planes, 0, 1, 0, "Returns the number of bitplanes of the display DISPLAY.\n\ The optional argument DISPLAY specifies which display to ask about.\n\ DISPLAY should be either a frame or a display name (a string).\n\ If omitted or nil, that stands for the selected frame's display.") (display) Lisp_Object display; { struct w32_display_info *dpyinfo = check_x_display_info (display); return make_number (dpyinfo->n_planes * dpyinfo->n_cbits); } DEFUN ("x-display-color-cells", Fx_display_color_cells, Sx_display_color_cells, 0, 1, 0, "Returns the number of color cells of the display DISPLAY.\n\ The optional argument DISPLAY specifies which display to ask about.\n\ DISPLAY should be either a frame or a display name (a string).\n\ If omitted or nil, that stands for the selected frame's display.") (display) Lisp_Object display; { struct w32_display_info *dpyinfo = check_x_display_info (display); HDC hdc; int cap; hdc = GetDC (dpyinfo->root_window); if (dpyinfo->has_palette) cap = GetDeviceCaps (hdc,SIZEPALETTE); else cap = GetDeviceCaps (hdc,NUMCOLORS); ReleaseDC (dpyinfo->root_window, hdc); return make_number (cap); } DEFUN ("x-server-max-request-size", Fx_server_max_request_size, Sx_server_max_request_size, 0, 1, 0, "Returns the maximum request size of the server of display DISPLAY.\n\ The optional argument DISPLAY specifies which display to ask about.\n\ DISPLAY should be either a frame or a display name (a string).\n\ If omitted or nil, that stands for the selected frame's display.") (display) Lisp_Object display; { struct w32_display_info *dpyinfo = check_x_display_info (display); return make_number (1); } DEFUN ("x-server-vendor", Fx_server_vendor, Sx_server_vendor, 0, 1, 0, "Returns the vendor ID string of the W32 system (Microsoft).\n\ The optional argument DISPLAY specifies which display to ask about.\n\ DISPLAY should be either a frame or a display name (a string).\n\ If omitted or nil, that stands for the selected frame's display.") (display) Lisp_Object display; { return build_string ("Microsoft Corp."); } DEFUN ("x-server-version", Fx_server_version, Sx_server_version, 0, 1, 0, "Returns the version numbers of the server of display DISPLAY.\n\ The value is a list of three integers: the major and minor\n\ version numbers, and the vendor-specific release\n\ number. See also the function `x-server-vendor'.\n\n\ The optional argument DISPLAY specifies which display to ask about.\n\ DISPLAY should be either a frame or a display name (a string).\n\ If omitted or nil, that stands for the selected frame's display.") (display) Lisp_Object display; { return Fcons (make_number (w32_major_version), Fcons (make_number (w32_minor_version), Qnil)); } DEFUN ("x-display-screens", Fx_display_screens, Sx_display_screens, 0, 1, 0, "Returns the number of screens on the server of display DISPLAY.\n\ The optional argument DISPLAY specifies which display to ask about.\n\ DISPLAY should be either a frame or a display name (a string).\n\ If omitted or nil, that stands for the selected frame's display.") (display) Lisp_Object display; { return make_number (1); } DEFUN ("x-display-mm-height", Fx_display_mm_height, Sx_display_mm_height, 0, 1, 0, "Returns the height in millimeters of the X display DISPLAY.\n\ The optional argument DISPLAY specifies which display to ask about.\n\ DISPLAY should be either a frame or a display name (a string).\n\ If omitted or nil, that stands for the selected frame's display.") (display) Lisp_Object display; { struct w32_display_info *dpyinfo = check_x_display_info (display); HDC hdc; int cap; hdc = GetDC (dpyinfo->root_window); cap = GetDeviceCaps (hdc, VERTSIZE); ReleaseDC (dpyinfo->root_window, hdc); return make_number (cap); } DEFUN ("x-display-mm-width", Fx_display_mm_width, Sx_display_mm_width, 0, 1, 0, "Returns the width in millimeters of the X display DISPLAY.\n\ The optional argument DISPLAY specifies which display to ask about.\n\ DISPLAY should be either a frame or a display name (a string).\n\ If omitted or nil, that stands for the selected frame's display.") (display) Lisp_Object display; { struct w32_display_info *dpyinfo = check_x_display_info (display); HDC hdc; int cap; hdc = GetDC (dpyinfo->root_window); cap = GetDeviceCaps (hdc, HORZSIZE); ReleaseDC (dpyinfo->root_window, hdc); return make_number (cap); } DEFUN ("x-display-backing-store", Fx_display_backing_store, Sx_display_backing_store, 0, 1, 0, "Returns an indication of whether display DISPLAY does backing store.\n\ The value may be `always', `when-mapped', or `not-useful'.\n\ The optional argument DISPLAY specifies which display to ask about.\n\ DISPLAY should be either a frame or a display name (a string).\n\ If omitted or nil, that stands for the selected frame's display.") (display) Lisp_Object display; { return intern ("not-useful"); } DEFUN ("x-display-visual-class", Fx_display_visual_class, Sx_display_visual_class, 0, 1, 0, "Returns the visual class of the display DISPLAY.\n\ The value is one of the symbols `static-gray', `gray-scale',\n\ `static-color', `pseudo-color', `true-color', or `direct-color'.\n\n\ The optional argument DISPLAY specifies which display to ask about.\n\ DISPLAY should be either a frame or a display name (a string).\n\ If omitted or nil, that stands for the selected frame's display.") (display) Lisp_Object display; { struct w32_display_info *dpyinfo = check_x_display_info (display); #if 0 switch (dpyinfo->visual->class) { case StaticGray: return (intern ("static-gray")); case GrayScale: return (intern ("gray-scale")); case StaticColor: return (intern ("static-color")); case PseudoColor: return (intern ("pseudo-color")); case TrueColor: return (intern ("true-color")); case DirectColor: return (intern ("direct-color")); default: error ("Display has an unknown visual class"); } #endif error ("Display has an unknown visual class"); } DEFUN ("x-display-save-under", Fx_display_save_under, Sx_display_save_under, 0, 1, 0, "Returns t if the display DISPLAY supports the save-under feature.\n\ The optional argument DISPLAY specifies which display to ask about.\n\ DISPLAY should be either a frame or a display name (a string).\n\ If omitted or nil, that stands for the selected frame's display.") (display) Lisp_Object display; { return Qnil; } int x_pixel_width (f) register struct frame *f; { return PIXEL_WIDTH (f); } int x_pixel_height (f) register struct frame *f; { return PIXEL_HEIGHT (f); } int x_char_width (f) register struct frame *f; { return FONT_WIDTH (f->output_data.w32->font); } int x_char_height (f) register struct frame *f; { return f->output_data.w32->line_height; } int x_screen_planes (f) register struct frame *f; { return FRAME_W32_DISPLAY_INFO (f)->n_planes; } /* Return the display structure for the display named NAME. Open a new connection if necessary. */ struct w32_display_info * x_display_info_for_name (name) Lisp_Object name; { Lisp_Object names; struct w32_display_info *dpyinfo; CHECK_STRING (name, 0); for (dpyinfo = &one_w32_display_info, names = w32_display_name_list; dpyinfo; dpyinfo = dpyinfo->next, names = XCDR (names)) { Lisp_Object tem; tem = Fstring_equal (XCAR (XCAR (names)), name); if (!NILP (tem)) return dpyinfo; } /* Use this general default value to start with. */ Vx_resource_name = Vinvocation_name; validate_x_resource_name (); dpyinfo = w32_term_init (name, (unsigned char *)0, (char *) XSTRING (Vx_resource_name)->data); if (dpyinfo == 0) error ("Cannot connect to server %s", XSTRING (name)->data); w32_in_use = 1; XSETFASTINT (Vwindow_system_version, 3); return dpyinfo; } DEFUN ("x-open-connection", Fx_open_connection, Sx_open_connection, 1, 3, 0, "Open a connection to a server.\n\ DISPLAY is the name of the display to connect to.\n\ Optional second arg XRM-STRING is a string of resources in xrdb format.\n\ If the optional third arg MUST-SUCCEED is non-nil,\n\ terminate Emacs if we can't open the connection.") (display, xrm_string, must_succeed) Lisp_Object display, xrm_string, must_succeed; { unsigned char *xrm_option; struct w32_display_info *dpyinfo; CHECK_STRING (display, 0); if (! NILP (xrm_string)) CHECK_STRING (xrm_string, 1); if (! EQ (Vwindow_system, intern ("w32"))) error ("Not using Microsoft Windows"); /* Allow color mapping to be defined externally; first look in user's HOME directory, then in Emacs etc dir for a file called rgb.txt. */ { Lisp_Object color_file; struct gcpro gcpro1; color_file = build_string("~/rgb.txt"); GCPRO1 (color_file); if (NILP (Ffile_readable_p (color_file))) color_file = Fexpand_file_name (build_string ("rgb.txt"), Fsymbol_value (intern ("data-directory"))); Vw32_color_map = Fw32_load_color_file (color_file); UNGCPRO; } if (NILP (Vw32_color_map)) Vw32_color_map = Fw32_default_color_map (); if (! NILP (xrm_string)) xrm_option = (unsigned char *) XSTRING (xrm_string)->data; else xrm_option = (unsigned char *) 0; /* Use this general default value to start with. */ /* First remove .exe suffix from invocation-name - it looks ugly. */ { char basename[ MAX_PATH ], *str; strcpy (basename, XSTRING (Vinvocation_name)->data); str = strrchr (basename, '.'); if (str) *str = 0; Vinvocation_name = build_string (basename); } Vx_resource_name = Vinvocation_name; validate_x_resource_name (); /* This is what opens the connection and sets x_current_display. This also initializes many symbols, such as those used for input. */ dpyinfo = w32_term_init (display, xrm_option, (char *) XSTRING (Vx_resource_name)->data); if (dpyinfo == 0) { if (!NILP (must_succeed)) fatal ("Cannot connect to server %s.\n", XSTRING (display)->data); else error ("Cannot connect to server %s", XSTRING (display)->data); } w32_in_use = 1; XSETFASTINT (Vwindow_system_version, 3); return Qnil; } DEFUN ("x-close-connection", Fx_close_connection, Sx_close_connection, 1, 1, 0, "Close the connection to DISPLAY's server.\n\ For DISPLAY, specify either a frame or a display name (a string).\n\ If DISPLAY is nil, that stands for the selected frame's display.") (display) Lisp_Object display; { struct w32_display_info *dpyinfo = check_x_display_info (display); int i; if (dpyinfo->reference_count > 0) error ("Display still has frames on it"); BLOCK_INPUT; /* Free the fonts in the font table. */ for (i = 0; i < dpyinfo->n_fonts; i++) if (dpyinfo->font_table[i].name) { if (dpyinfo->font_table[i].name != dpyinfo->font_table[i].full_name) xfree (dpyinfo->font_table[i].full_name); xfree (dpyinfo->font_table[i].name); w32_unload_font (dpyinfo, dpyinfo->font_table[i].font); } x_destroy_all_bitmaps (dpyinfo); x_delete_display (dpyinfo); UNBLOCK_INPUT; return Qnil; } DEFUN ("x-display-list", Fx_display_list, Sx_display_list, 0, 0, 0, "Return the list of display names that Emacs has connections to.") () { Lisp_Object tail, result; result = Qnil; for (tail = w32_display_name_list; ! NILP (tail); tail = XCDR (tail)) result = Fcons (XCAR (XCAR (tail)), result); return result; } DEFUN ("x-synchronize", Fx_synchronize, Sx_synchronize, 1, 2, 0, "If ON is non-nil, report errors as soon as the erring request is made.\n\ If ON is nil, allow buffering of requests.\n\ This is a noop on W32 systems.\n\ The optional second argument DISPLAY specifies which display to act on.\n\ DISPLAY should be either a frame or a display name (a string).\n\ If DISPLAY is omitted or nil, that stands for the selected frame's display.") (on, display) Lisp_Object display, on; { return Qnil; } /*********************************************************************** Image types ***********************************************************************/ /* Value is the number of elements of vector VECTOR. */ #define DIM(VECTOR) (sizeof (VECTOR) / sizeof *(VECTOR)) /* List of supported image types. Use define_image_type to add new types. Use lookup_image_type to find a type for a given symbol. */ static struct image_type *image_types; /* The symbol `image' which is the car of the lists used to represent images in Lisp. */ extern Lisp_Object Qimage; /* The symbol `xbm' which is used as the type symbol for XBM images. */ Lisp_Object Qxbm; /* Keywords. */ extern Lisp_Object QCwidth, QCheight, QCforeground, QCbackground, QCfile; extern Lisp_Object QCdata; Lisp_Object QCtype, QCascent, QCmargin, QCrelief; Lisp_Object QCalgorithm, QCcolor_symbols, QCheuristic_mask; Lisp_Object QCindex; /* Other symbols. */ Lisp_Object Qlaplace; /* Time in seconds after which images should be removed from the cache if not displayed. */ Lisp_Object Vimage_cache_eviction_delay; /* Function prototypes. */ static void define_image_type P_ ((struct image_type *type)); static struct image_type *lookup_image_type P_ ((Lisp_Object symbol)); static void image_error P_ ((char *format, Lisp_Object, Lisp_Object)); static void x_laplace P_ ((struct frame *, struct image *)); static int x_build_heuristic_mask P_ ((struct frame *, struct image *, Lisp_Object)); /* Define a new image type from TYPE. This adds a copy of TYPE to image_types and adds the symbol *TYPE->type to Vimage_types. */ static void define_image_type (type) struct image_type *type; { /* Make a copy of TYPE to avoid a bus error in a dumped Emacs. The initialized data segment is read-only. */ struct image_type *p = (struct image_type *) xmalloc (sizeof *p); bcopy (type, p, sizeof *p); p->next = image_types; image_types = p; Vimage_types = Fcons (*p->type, Vimage_types); } /* Look up image type SYMBOL, and return a pointer to its image_type structure. Value is null if SYMBOL is not a known image type. */ static INLINE struct image_type * lookup_image_type (symbol) Lisp_Object symbol; { struct image_type *type; for (type = image_types; type; type = type->next) if (EQ (symbol, *type->type)) break; return type; } /* Value is non-zero if OBJECT is a valid Lisp image specification. A valid image specification is a list whose car is the symbol `image', and whose rest is a property list. The property list must contain a value for key `:type'. That value must be the name of a supported image type. The rest of the property list depends on the image type. */ int valid_image_p (object) Lisp_Object object; { int valid_p = 0; if (CONSP (object) && EQ (XCAR (object), Qimage)) { Lisp_Object symbol = Fplist_get (XCDR (object), QCtype); struct image_type *type = lookup_image_type (symbol); if (type) valid_p = type->valid_p (object); } return valid_p; } /* Log error message with format string FORMAT and argument ARG. Signaling an error, e.g. when an image cannot be loaded, is not a good idea because this would interrupt redisplay, and the error message display would lead to another redisplay. This function therefore simply displays a message. */ static void image_error (format, arg1, arg2) char *format; Lisp_Object arg1, arg2; { add_to_log (format, arg1, arg2); } /*********************************************************************** Image specifications ***********************************************************************/ enum image_value_type { IMAGE_DONT_CHECK_VALUE_TYPE, IMAGE_STRING_VALUE, IMAGE_SYMBOL_VALUE, IMAGE_POSITIVE_INTEGER_VALUE, IMAGE_NON_NEGATIVE_INTEGER_VALUE, IMAGE_ASCENT_VALUE, IMAGE_INTEGER_VALUE, IMAGE_FUNCTION_VALUE, IMAGE_NUMBER_VALUE, IMAGE_BOOL_VALUE }; /* Structure used when parsing image specifications. */ struct image_keyword { /* Name of keyword. */ char *name; /* The type of value allowed. */ enum image_value_type type; /* Non-zero means key must be present. */ int mandatory_p; /* Used to recognize duplicate keywords in a property list. */ int count; /* The value that was found. */ Lisp_Object value; }; static int parse_image_spec P_ ((Lisp_Object, struct image_keyword *, int, Lisp_Object)); static Lisp_Object image_spec_value P_ ((Lisp_Object, Lisp_Object, int *)); /* Parse image spec SPEC according to KEYWORDS. A valid image spec has the format (image KEYWORD VALUE ...). One of the keyword/ value pairs must be `:type TYPE'. KEYWORDS is a vector of image_keywords structures of size NKEYWORDS describing other allowed keyword/value pairs. Value is non-zero if SPEC is valid. */ static int parse_image_spec (spec, keywords, nkeywords, type) Lisp_Object spec; struct image_keyword *keywords; int nkeywords; Lisp_Object type; { int i; Lisp_Object plist; if (!CONSP (spec) || !EQ (XCAR (spec), Qimage)) return 0; plist = XCDR (spec); while (CONSP (plist)) { Lisp_Object key, value; /* First element of a pair must be a symbol. */ key = XCAR (plist); plist = XCDR (plist); if (!SYMBOLP (key)) return 0; /* There must follow a value. */ if (!CONSP (plist)) return 0; value = XCAR (plist); plist = XCDR (plist); /* Find key in KEYWORDS. Error if not found. */ for (i = 0; i < nkeywords; ++i) if (strcmp (keywords[i].name, XSYMBOL (key)->name->data) == 0) break; if (i == nkeywords) continue; /* Record that we recognized the keyword. If a keywords was found more than once, it's an error. */ keywords[i].value = value; ++keywords[i].count; if (keywords[i].count > 1) return 0; /* Check type of value against allowed type. */ switch (keywords[i].type) { case IMAGE_STRING_VALUE: if (!STRINGP (value)) return 0; break; case IMAGE_SYMBOL_VALUE: if (!SYMBOLP (value)) return 0; break; case IMAGE_POSITIVE_INTEGER_VALUE: if (!INTEGERP (value) || XINT (value) <= 0) return 0; break; case IMAGE_ASCENT_VALUE: if (SYMBOLP (value) && EQ (value, Qcenter)) break; else if (INTEGERP (value) && XINT (value) >= 0 && XINT (value) <= 100) break; return 0; case IMAGE_NON_NEGATIVE_INTEGER_VALUE: if (!INTEGERP (value) || XINT (value) < 0) return 0; break; case IMAGE_DONT_CHECK_VALUE_TYPE: break; case IMAGE_FUNCTION_VALUE: value = indirect_function (value); if (SUBRP (value) || COMPILEDP (value) || (CONSP (value) && EQ (XCAR (value), Qlambda))) break; return 0; case IMAGE_NUMBER_VALUE: if (!INTEGERP (value) && !FLOATP (value)) return 0; break; case IMAGE_INTEGER_VALUE: if (!INTEGERP (value)) return 0; break; case IMAGE_BOOL_VALUE: if (!NILP (value) && !EQ (value, Qt)) return 0; break; default: abort (); break; } if (EQ (key, QCtype) && !EQ (type, value)) return 0; } /* Check that all mandatory fields are present. */ for (i = 0; i < nkeywords; ++i) if (keywords[i].mandatory_p && keywords[i].count == 0) return 0; return NILP (plist); } /* Return the value of KEY in image specification SPEC. Value is nil if KEY is not present in SPEC. if FOUND is not null, set *FOUND to 1 if KEY was found in SPEC, set it to 0 otherwise. */ static Lisp_Object image_spec_value (spec, key, found) Lisp_Object spec, key; int *found; { Lisp_Object tail; xassert (valid_image_p (spec)); for (tail = XCDR (spec); CONSP (tail) && CONSP (XCDR (tail)); tail = XCDR (XCDR (tail))) { if (EQ (XCAR (tail), key)) { if (found) *found = 1; return XCAR (XCDR (tail)); } } if (found) *found = 0; return Qnil; } /*********************************************************************** Image type independent image structures ***********************************************************************/ static struct image *make_image P_ ((Lisp_Object spec, unsigned hash)); static void free_image P_ ((struct frame *f, struct image *img)); /* Allocate and return a new image structure for image specification SPEC. SPEC has a hash value of HASH. */ static struct image * make_image (spec, hash) Lisp_Object spec; unsigned hash; { struct image *img = (struct image *) xmalloc (sizeof *img); xassert (valid_image_p (spec)); bzero (img, sizeof *img); img->type = lookup_image_type (image_spec_value (spec, QCtype, NULL)); xassert (img->type != NULL); img->spec = spec; img->data.lisp_val = Qnil; img->ascent = DEFAULT_IMAGE_ASCENT; img->hash = hash; return img; } /* Free image IMG which was used on frame F, including its resources. */ static void free_image (f, img) struct frame *f; struct image *img; { if (img) { struct image_cache *c = FRAME_X_IMAGE_CACHE (f); /* Remove IMG from the hash table of its cache. */ if (img->prev) img->prev->next = img->next; else c->buckets[img->hash % IMAGE_CACHE_BUCKETS_SIZE] = img->next; if (img->next) img->next->prev = img->prev; c->images[img->id] = NULL; /* Free resources, then free IMG. */ img->type->free (f, img); xfree (img); } } /* Prepare image IMG for display on frame F. Must be called before drawing an image. */ void prepare_image_for_display (f, img) struct frame *f; struct image *img; { EMACS_TIME t; /* We're about to display IMG, so set its timestamp to `now'. */ EMACS_GET_TIME (t); img->timestamp = EMACS_SECS (t); /* If IMG doesn't have a pixmap yet, load it now, using the image type dependent loader function. */ if (img->pixmap == 0 && !img->load_failed_p) img->load_failed_p = img->type->load (f, img) == 0; } /* Value is the number of pixels for the ascent of image IMG when drawn in face FACE. */ int image_ascent (img, face) struct image *img; struct face *face; { int height = img->height + img->margin; int ascent; if (img->ascent == CENTERED_IMAGE_ASCENT) { if (face->font) ascent = height / 2 - (FONT_DESCENT(face->font) - FONT_BASE(face->font)) / 2; else ascent = height / 2; } else ascent = height * img->ascent / 100.0; return ascent; } /*********************************************************************** Helper functions for X image types ***********************************************************************/ static void x_clear_image P_ ((struct frame *f, struct image *img)); static unsigned long x_alloc_image_color P_ ((struct frame *f, struct image *img, Lisp_Object color_name, unsigned long dflt)); /* Free X resources of image IMG which is used on frame F. */ static void x_clear_image (f, img) struct frame *f; struct image *img; { #if 0 /* NTEMACS_TODO: W32 image support */ if (img->pixmap) { BLOCK_INPUT; XFreePixmap (NULL, img->pixmap); img->pixmap = 0; UNBLOCK_INPUT; } if (img->ncolors) { int class = FRAME_W32_DISPLAY_INFO (f)->visual->class; /* If display has an immutable color map, freeing colors is not necessary and some servers don't allow it. So don't do it. */ if (class != StaticColor && class != StaticGray && class != TrueColor) { Colormap cmap; BLOCK_INPUT; cmap = DefaultColormapOfScreen (FRAME_W32_DISPLAY_INFO (f)->screen); XFreeColors (FRAME_W32_DISPLAY (f), cmap, img->colors, img->ncolors, 0); UNBLOCK_INPUT; } xfree (img->colors); img->colors = NULL; img->ncolors = 0; } #endif } /* Allocate color COLOR_NAME for image IMG on frame F. If color cannot be allocated, use DFLT. Add a newly allocated color to IMG->colors, so that it can be freed again. Value is the pixel color. */ static unsigned long x_alloc_image_color (f, img, color_name, dflt) struct frame *f; struct image *img; Lisp_Object color_name; unsigned long dflt; { #if 0 /* NTEMACS_TODO: allocing colors. */ XColor color; unsigned long result; xassert (STRINGP (color_name)); if (w32_defined_color (f, XSTRING (color_name)->data, &color, 1)) { /* This isn't called frequently so we get away with simply reallocating the color vector to the needed size, here. */ ++img->ncolors; img->colors = (unsigned long *) xrealloc (img->colors, img->ncolors * sizeof *img->colors); img->colors[img->ncolors - 1] = color.pixel; result = color.pixel; } else result = dflt; return result; #endif return 0; } /*********************************************************************** Image Cache ***********************************************************************/ static void cache_image P_ ((struct frame *f, struct image *img)); /* Return a new, initialized image cache that is allocated from the heap. Call free_image_cache to free an image cache. */ struct image_cache * make_image_cache () { struct image_cache *c = (struct image_cache *) xmalloc (sizeof *c); int size; bzero (c, sizeof *c); c->size = 50; c->images = (struct image **) xmalloc (c->size * sizeof *c->images); size = IMAGE_CACHE_BUCKETS_SIZE * sizeof *c->buckets; c->buckets = (struct image **) xmalloc (size); bzero (c->buckets, size); return c; } /* Free image cache of frame F. Be aware that X frames share images caches. */ void free_image_cache (f) struct frame *f; { struct image_cache *c = FRAME_X_IMAGE_CACHE (f); if (c) { int i; /* Cache should not be referenced by any frame when freed. */ xassert (c->refcount == 0); for (i = 0; i < c->used; ++i) free_image (f, c->images[i]); xfree (c->images); xfree (c); xfree (c->buckets); FRAME_X_IMAGE_CACHE (f) = NULL; } } /* Clear image cache of frame F. FORCE_P non-zero means free all images. FORCE_P zero means clear only images that haven't been displayed for some time. Should be called from time to time to reduce the number of loaded images. If image-eviction-seconds is non-nil, this frees images in the cache which weren't displayed for at least that many seconds. */ void clear_image_cache (f, force_p) struct frame *f; int force_p; { struct image_cache *c = FRAME_X_IMAGE_CACHE (f); if (c && INTEGERP (Vimage_cache_eviction_delay)) { EMACS_TIME t; unsigned long old; int i, any_freed_p = 0; EMACS_GET_TIME (t); old = EMACS_SECS (t) - XFASTINT (Vimage_cache_eviction_delay); for (i = 0; i < c->used; ++i) { struct image *img = c->images[i]; if (img != NULL && (force_p || (img->timestamp > old))) { free_image (f, img); any_freed_p = 1; } } /* We may be clearing the image cache because, for example, Emacs was iconified for a longer period of time. In that case, current matrices may still contain references to images freed above. So, clear these matrices. */ if (any_freed_p) { clear_current_matrices (f); ++windows_or_buffers_changed; } } } DEFUN ("clear-image-cache", Fclear_image_cache, Sclear_image_cache, 0, 1, 0, "Clear the image cache of FRAME.\n\ FRAME nil or omitted means use the selected frame.\n\ FRAME t means clear the image caches of all frames.") (frame) Lisp_Object frame; { if (EQ (frame, Qt)) { Lisp_Object tail; FOR_EACH_FRAME (tail, frame) if (FRAME_W32_P (XFRAME (frame))) clear_image_cache (XFRAME (frame), 1); } else clear_image_cache (check_x_frame (frame), 1); return Qnil; } /* Return the id of image with Lisp specification SPEC on frame F. SPEC must be a valid Lisp image specification (see valid_image_p). */ int lookup_image (f, spec) struct frame *f; Lisp_Object spec; { struct image_cache *c = FRAME_X_IMAGE_CACHE (f); struct image *img; int i; unsigned hash; struct gcpro gcpro1; EMACS_TIME now; /* F must be a window-system frame, and SPEC must be a valid image specification. */ xassert (FRAME_WINDOW_P (f)); xassert (valid_image_p (spec)); GCPRO1 (spec); /* Look up SPEC in the hash table of the image cache. */ hash = sxhash (spec, 0); i = hash % IMAGE_CACHE_BUCKETS_SIZE; for (img = c->buckets[i]; img; img = img->next) if (img->hash == hash && !NILP (Fequal (img->spec, spec))) break; /* If not found, create a new image and cache it. */ if (img == NULL) { img = make_image (spec, hash); cache_image (f, img); img->load_failed_p = img->type->load (f, img) == 0; xassert (!interrupt_input_blocked); /* If we can't load the image, and we don't have a width and height, use some arbitrary width and height so that we can draw a rectangle for it. */ if (img->load_failed_p) { Lisp_Object value; value = image_spec_value (spec, QCwidth, NULL); img->width = (INTEGERP (value) ? XFASTINT (value) : DEFAULT_IMAGE_WIDTH); value = image_spec_value (spec, QCheight, NULL); img->height = (INTEGERP (value) ? XFASTINT (value) : DEFAULT_IMAGE_HEIGHT); } else { /* Handle image type independent image attributes `:ascent PERCENT', `:margin MARGIN', `:relief RELIEF'. */ Lisp_Object ascent, margin, relief, algorithm, heuristic_mask; Lisp_Object file; ascent = image_spec_value (spec, QCascent, NULL); if (INTEGERP (ascent)) img->ascent = XFASTINT (ascent); else if (EQ (ascent, Qcenter)) img->ascent = CENTERED_IMAGE_ASCENT; margin = image_spec_value (spec, QCmargin, NULL); if (INTEGERP (margin) && XINT (margin) >= 0) img->margin = XFASTINT (margin); relief = image_spec_value (spec, QCrelief, NULL); if (INTEGERP (relief)) { img->relief = XINT (relief); img->margin += abs (img->relief); } /* Should we apply a Laplace edge-detection algorithm? */ algorithm = image_spec_value (spec, QCalgorithm, NULL); if (img->pixmap && EQ (algorithm, Qlaplace)) x_laplace (f, img); /* Should we built a mask heuristically? */ heuristic_mask = image_spec_value (spec, QCheuristic_mask, NULL); if (img->pixmap && !img->mask && !NILP (heuristic_mask)) x_build_heuristic_mask (f, img, heuristic_mask); } } /* We're using IMG, so set its timestamp to `now'. */ EMACS_GET_TIME (now); img->timestamp = EMACS_SECS (now); UNGCPRO; /* Value is the image id. */ return img->id; } /* Cache image IMG in the image cache of frame F. */ static void cache_image (f, img) struct frame *f; struct image *img; { struct image_cache *c = FRAME_X_IMAGE_CACHE (f); int i; /* Find a free slot in c->images. */ for (i = 0; i < c->used; ++i) if (c->images[i] == NULL) break; /* If no free slot found, maybe enlarge c->images. */ if (i == c->used && c->used == c->size) { c->size *= 2; c->images = (struct image **) xrealloc (c->images, c->size * sizeof *c->images); } /* Add IMG to c->images, and assign IMG an id. */ c->images[i] = img; img->id = i; if (i == c->used) ++c->used; /* Add IMG to the cache's hash table. */ i = img->hash % IMAGE_CACHE_BUCKETS_SIZE; img->next = c->buckets[i]; if (img->next) img->next->prev = img; img->prev = NULL; c->buckets[i] = img; } /* Call FN on every image in the image cache of frame F. Used to mark Lisp Objects in the image cache. */ void forall_images_in_image_cache (f, fn) struct frame *f; void (*fn) P_ ((struct image *img)); { if (FRAME_LIVE_P (f) && FRAME_W32_P (f)) { struct image_cache *c = FRAME_X_IMAGE_CACHE (f); if (c) { int i; for (i = 0; i < c->used; ++i) if (c->images[i]) fn (c->images[i]); } } } /*********************************************************************** W32 support code ***********************************************************************/ #if 0 /* NTEMACS_TODO: W32 specific image code. */ static int x_create_x_image_and_pixmap P_ ((struct frame *, int, int, int, XImage **, Pixmap *)); static void x_destroy_x_image P_ ((XImage *)); static void x_put_x_image P_ ((struct frame *, XImage *, Pixmap, int, int)); /* Create an XImage and a pixmap of size WIDTH x HEIGHT for use on frame F. Set *XIMG and *PIXMAP to the XImage and Pixmap created. Set (*XIMG)->data to a raster of WIDTH x HEIGHT pixels allocated via xmalloc. Print error messages via image_error if an error occurs. Value is non-zero if successful. */ static int x_create_x_image_and_pixmap (f, width, height, depth, ximg, pixmap) struct frame *f; int width, height, depth; XImage **ximg; Pixmap *pixmap; { #if 0 /* NTEMACS_TODO: Image support for W32 */ Display *display = FRAME_W32_DISPLAY (f); Screen *screen = FRAME_X_SCREEN (f); Window window = FRAME_W32_WINDOW (f); xassert (interrupt_input_blocked); if (depth <= 0) depth = DefaultDepthOfScreen (screen); *ximg = XCreateImage (display, DefaultVisualOfScreen (screen), depth, ZPixmap, 0, NULL, width, height, depth > 16 ? 32 : depth > 8 ? 16 : 8, 0); if (*ximg == NULL) { image_error ("Unable to allocate X image", Qnil, Qnil); return 0; } /* Allocate image raster. */ (*ximg)->data = (char *) xmalloc ((*ximg)->bytes_per_line * height); /* Allocate a pixmap of the same size. */ *pixmap = XCreatePixmap (display, window, width, height, depth); if (*pixmap == 0) { x_destroy_x_image (*ximg); *ximg = NULL; image_error ("Unable to create X pixmap", Qnil, Qnil); return 0; } #endif return 1; } /* Destroy XImage XIMG. Free XIMG->data. */ static void x_destroy_x_image (ximg) XImage *ximg; { xassert (interrupt_input_blocked); if (ximg) { xfree (ximg->data); ximg->data = NULL; XDestroyImage (ximg); } } /* Put XImage XIMG into pixmap PIXMAP on frame F. WIDTH and HEIGHT are width and height of both the image and pixmap. */ static void x_put_x_image (f, ximg, pixmap, width, height) struct frame *f; XImage *ximg; Pixmap pixmap; { GC gc; xassert (interrupt_input_blocked); gc = XCreateGC (NULL, pixmap, 0, NULL); XPutImage (NULL, pixmap, gc, ximg, 0, 0, 0, 0, width, height); XFreeGC (NULL, gc); } #endif /*********************************************************************** Searching files ***********************************************************************/ static Lisp_Object x_find_image_file P_ ((Lisp_Object)); /* Find image file FILE. Look in data-directory, then x-bitmap-file-path. Value is the full name of the file found, or nil if not found. */ static Lisp_Object x_find_image_file (file) Lisp_Object file; { Lisp_Object file_found, search_path; struct gcpro gcpro1, gcpro2; int fd; file_found = Qnil; search_path = Fcons (Vdata_directory, Vx_bitmap_file_path); GCPRO2 (file_found, search_path); /* Try to find FILE in data-directory, then x-bitmap-file-path. */ fd = openp (search_path, file, "", &file_found, 0); if (fd < 0) file_found = Qnil; else close (fd); UNGCPRO; return file_found; } /*********************************************************************** XBM images ***********************************************************************/ static int xbm_load P_ ((struct frame *f, struct image *img)); static int xbm_load_image_from_file P_ ((struct frame *f, struct image *img, Lisp_Object file)); static int xbm_image_p P_ ((Lisp_Object object)); static int xbm_read_bitmap_file_data P_ ((char *, int *, int *, unsigned char **)); /* Indices of image specification fields in xbm_format, below. */ enum xbm_keyword_index { XBM_TYPE, XBM_FILE, XBM_WIDTH, XBM_HEIGHT, XBM_DATA, XBM_FOREGROUND, XBM_BACKGROUND, XBM_ASCENT, XBM_MARGIN, XBM_RELIEF, XBM_ALGORITHM, XBM_HEURISTIC_MASK, XBM_LAST }; /* Vector of image_keyword structures describing the format of valid XBM image specifications. */ static struct image_keyword xbm_format[XBM_LAST] = { {":type", IMAGE_SYMBOL_VALUE, 1}, {":file", IMAGE_STRING_VALUE, 0}, {":width", IMAGE_POSITIVE_INTEGER_VALUE, 0}, {":height", IMAGE_POSITIVE_INTEGER_VALUE, 0}, {":data", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, {":foreground", IMAGE_STRING_VALUE, 0}, {":background", IMAGE_STRING_VALUE, 0}, {":ascent", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0}, {":margin", IMAGE_POSITIVE_INTEGER_VALUE, 0}, {":relief", IMAGE_INTEGER_VALUE, 0}, {":algorithm", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0} }; /* Structure describing the image type XBM. */ static struct image_type xbm_type = { &Qxbm, xbm_image_p, xbm_load, x_clear_image, NULL }; /* Tokens returned from xbm_scan. */ enum xbm_token { XBM_TK_IDENT = 256, XBM_TK_NUMBER }; /* Return non-zero if OBJECT is a valid XBM-type image specification. A valid specification is a list starting with the symbol `image' The rest of the list is a property list which must contain an entry `:type xbm.. If the specification specifies a file to load, it must contain an entry `:file FILENAME' where FILENAME is a string. If the specification is for a bitmap loaded from memory it must contain `:width WIDTH', `:height HEIGHT', and `:data DATA', where WIDTH and HEIGHT are integers > 0. DATA may be: 1. a string large enough to hold the bitmap data, i.e. it must have a size >= (WIDTH + 7) / 8 * HEIGHT 2. a bool-vector of size >= WIDTH * HEIGHT 3. a vector of strings or bool-vectors, one for each line of the bitmap. Both the file and data forms may contain the additional entries `:background COLOR' and `:foreground COLOR'. If not present, foreground and background of the frame on which the image is displayed, is used. */ static int xbm_image_p (object) Lisp_Object object; { struct image_keyword kw[XBM_LAST]; bcopy (xbm_format, kw, sizeof kw); if (!parse_image_spec (object, kw, XBM_LAST, Qxbm)) return 0; xassert (EQ (kw[XBM_TYPE].value, Qxbm)); if (kw[XBM_FILE].count) { if (kw[XBM_WIDTH].count || kw[XBM_HEIGHT].count || kw[XBM_DATA].count) return 0; } else { Lisp_Object data; int width, height; /* Entries for `:width', `:height' and `:data' must be present. */ if (!kw[XBM_WIDTH].count || !kw[XBM_HEIGHT].count || !kw[XBM_DATA].count) return 0; data = kw[XBM_DATA].value; width = XFASTINT (kw[XBM_WIDTH].value); height = XFASTINT (kw[XBM_HEIGHT].value); /* Check type of data, and width and height against contents of data. */ if (VECTORP (data)) { int i; /* Number of elements of the vector must be >= height. */ if (XVECTOR (data)->size < height) return 0; /* Each string or bool-vector in data must be large enough for one line of the image. */ for (i = 0; i < height; ++i) { Lisp_Object elt = XVECTOR (data)->contents[i]; if (STRINGP (elt)) { if (XSTRING (elt)->size < (width + BITS_PER_CHAR - 1) / BITS_PER_CHAR) return 0; } else if (BOOL_VECTOR_P (elt)) { if (XBOOL_VECTOR (elt)->size < width) return 0; } else return 0; } } else if (STRINGP (data)) { if (XSTRING (data)->size < (width + BITS_PER_CHAR - 1) / BITS_PER_CHAR * height) return 0; } else if (BOOL_VECTOR_P (data)) { if (XBOOL_VECTOR (data)->size < width * height) return 0; } else return 0; } /* Baseline must be a value between 0 and 100 (a percentage). */ if (kw[XBM_ASCENT].count && XFASTINT (kw[XBM_ASCENT].value) > 100) return 0; return 1; } /* Scan a bitmap file. FP is the stream to read from. Value is either an enumerator from enum xbm_token, or a character for a single-character token, or 0 at end of file. If scanning an identifier, store the lexeme of the identifier in SVAL. If scanning a number, store its value in *IVAL. */ static int xbm_scan (fp, sval, ival) FILE *fp; char *sval; int *ival; { int c; /* Skip white space. */ while ((c = fgetc (fp)) != EOF && isspace (c)) ; if (c == EOF) c = 0; else if (isdigit (c)) { int value = 0, digit; if (c == '0') { c = fgetc (fp); if (c == 'x' || c == 'X') { while ((c = fgetc (fp)) != EOF) { if (isdigit (c)) digit = c - '0'; else if (c >= 'a' && c <= 'f') digit = c - 'a' + 10; else if (c >= 'A' && c <= 'F') digit = c - 'A' + 10; else break; value = 16 * value + digit; } } else if (isdigit (c)) { value = c - '0'; while ((c = fgetc (fp)) != EOF && isdigit (c)) value = 8 * value + c - '0'; } } else { value = c - '0'; while ((c = fgetc (fp)) != EOF && isdigit (c)) value = 10 * value + c - '0'; } if (c != EOF) ungetc (c, fp); *ival = value; c = XBM_TK_NUMBER; } else if (isalpha (c) || c == '_') { *sval++ = c; while ((c = fgetc (fp)) != EOF && (isalnum (c) || c == '_')) *sval++ = c; *sval = 0; if (c != EOF) ungetc (c, fp); c = XBM_TK_IDENT; } return c; } /* Replacement for XReadBitmapFileData which isn't available under old X versions. FILE is the name of the bitmap file to read. Set *WIDTH and *HEIGHT to the width and height of the image. Return in *DATA the bitmap data allocated with xmalloc. Value is non-zero if successful. */ static int xbm_read_bitmap_file_data (file, width, height, data) char *file; int *width, *height; unsigned char **data; { FILE *fp; char buffer[BUFSIZ]; int padding_p = 0; int v10 = 0; int bytes_per_line, i, nbytes; unsigned char *p; int value; int LA1; #define match() \ LA1 = xbm_scan (fp, buffer, &value) #define expect(TOKEN) \ if (LA1 != (TOKEN)) \ goto failure; \ else \ match () #define expect_ident(IDENT) \ if (LA1 == XBM_TK_IDENT && strcmp (buffer, (IDENT)) == 0) \ match (); \ else \ goto failure fp = fopen (file, "r"); if (fp == NULL) return 0; *width = *height = -1; *data = NULL; LA1 = xbm_scan (fp, buffer, &value); /* Parse defines for width, height and hot-spots. */ while (LA1 == '#') { match (); expect_ident ("define"); expect (XBM_TK_IDENT); if (LA1 == XBM_TK_NUMBER); { char *p = strrchr (buffer, '_'); p = p ? p + 1 : buffer; if (strcmp (p, "width") == 0) *width = value; else if (strcmp (p, "height") == 0) *height = value; } expect (XBM_TK_NUMBER); } if (*width < 0 || *height < 0) goto failure; /* Parse bits. Must start with `static'. */ expect_ident ("static"); if (LA1 == XBM_TK_IDENT) { if (strcmp (buffer, "unsigned") == 0) { match (); expect_ident ("char"); } else if (strcmp (buffer, "short") == 0) { match (); v10 = 1; if (*width % 16 && *width % 16 < 9) padding_p = 1; } else if (strcmp (buffer, "char") == 0) match (); else goto failure; } else goto failure; expect (XBM_TK_IDENT); expect ('['); expect (']'); expect ('='); expect ('{'); bytes_per_line = (*width + 7) / 8 + padding_p; nbytes = bytes_per_line * *height; p = *data = (char *) xmalloc (nbytes); if (v10) { for (i = 0; i < nbytes; i += 2) { int val = value; expect (XBM_TK_NUMBER); *p++ = val; if (!padding_p || ((i + 2) % bytes_per_line)) *p++ = value >> 8; if (LA1 == ',' || LA1 == '}') match (); else goto failure; } } else { for (i = 0; i < nbytes; ++i) { int val = value; expect (XBM_TK_NUMBER); *p++ = val; if (LA1 == ',' || LA1 == '}') match (); else goto failure; } } fclose (fp); return 1; failure: fclose (fp); if (*data) { xfree (*data); *data = NULL; } return 0; #undef match #undef expect #undef expect_ident } /* Load XBM image IMG which will be displayed on frame F from file SPECIFIED_FILE. Value is non-zero if successful. */ static int xbm_load_image_from_file (f, img, specified_file) struct frame *f; struct image *img; Lisp_Object specified_file; { int rc; unsigned char *data; int success_p = 0; Lisp_Object file; struct gcpro gcpro1; xassert (STRINGP (specified_file)); file = Qnil; GCPRO1 (file); file = x_find_image_file (specified_file); if (!STRINGP (file)) { image_error ("Cannot find image file `%s'", specified_file, Qnil); UNGCPRO; return 0; } rc = xbm_read_bitmap_file_data (XSTRING (file)->data, &img->width, &img->height, &data); if (rc) { int depth = one_w32_display_info.n_cbits; unsigned long foreground = FRAME_FOREGROUND_PIXEL (f); unsigned long background = FRAME_BACKGROUND_PIXEL (f); Lisp_Object value; xassert (img->width > 0 && img->height > 0); /* Get foreground and background colors, maybe allocate colors. */ value = image_spec_value (img->spec, QCforeground, NULL); if (!NILP (value)) foreground = x_alloc_image_color (f, img, value, foreground); value = image_spec_value (img->spec, QCbackground, NULL); if (!NILP (value)) background = x_alloc_image_color (f, img, value, background); #if 0 /* NTEMACS_TODO : Port image display to W32 */ BLOCK_INPUT; img->pixmap = XCreatePixmapFromBitmapData (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f), data, img->width, img->height, foreground, background, depth); xfree (data); if (img->pixmap == 0) { x_clear_image (f, img); image_error ("Unable to create X pixmap for `%s'", file, Qnil); } else success_p = 1; UNBLOCK_INPUT; #endif } else image_error ("Error loading XBM image `%s'", img->spec, Qnil); UNGCPRO; return success_p; } /* Fill image IMG which is used on frame F with pixmap data. Value is non-zero if successful. */ static int xbm_load (f, img) struct frame *f; struct image *img; { int success_p = 0; Lisp_Object file_name; xassert (xbm_image_p (img->spec)); /* If IMG->spec specifies a file name, create a non-file spec from it. */ file_name = image_spec_value (img->spec, QCfile, NULL); if (STRINGP (file_name)) success_p = xbm_load_image_from_file (f, img, file_name); else { struct image_keyword fmt[XBM_LAST]; Lisp_Object data; int depth; unsigned long foreground = FRAME_FOREGROUND_PIXEL (f); unsigned long background = FRAME_BACKGROUND_PIXEL (f); char *bits; int parsed_p; /* Parse the list specification. */ bcopy (xbm_format, fmt, sizeof fmt); parsed_p = parse_image_spec (img->spec, fmt, XBM_LAST, Qxbm); xassert (parsed_p); /* Get specified width, and height. */ img->width = XFASTINT (fmt[XBM_WIDTH].value); img->height = XFASTINT (fmt[XBM_HEIGHT].value); xassert (img->width > 0 && img->height > 0); BLOCK_INPUT; if (fmt[XBM_ASCENT].count) img->ascent = XFASTINT (fmt[XBM_ASCENT].value); /* Get foreground and background colors, maybe allocate colors. */ if (fmt[XBM_FOREGROUND].count) foreground = x_alloc_image_color (f, img, fmt[XBM_FOREGROUND].value, foreground); if (fmt[XBM_BACKGROUND].count) background = x_alloc_image_color (f, img, fmt[XBM_BACKGROUND].value, background); /* Set bits to the bitmap image data. */ data = fmt[XBM_DATA].value; if (VECTORP (data)) { int i; char *p; int nbytes = (img->width + BITS_PER_CHAR - 1) / BITS_PER_CHAR; p = bits = (char *) alloca (nbytes * img->height); for (i = 0; i < img->height; ++i, p += nbytes) { Lisp_Object line = XVECTOR (data)->contents[i]; if (STRINGP (line)) bcopy (XSTRING (line)->data, p, nbytes); else bcopy (XBOOL_VECTOR (line)->data, p, nbytes); } } else if (STRINGP (data)) bits = XSTRING (data)->data; else bits = XBOOL_VECTOR (data)->data; #if 0 /* NTEMACS_TODO : W32 XPM code */ /* Create the pixmap. */ depth = DefaultDepthOfScreen (FRAME_X_SCREEN (f)); img->pixmap = XCreatePixmapFromBitmapData (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f), bits, img->width, img->height, foreground, background, depth); #endif /* NTEMACS_TODO */ if (img->pixmap) success_p = 1; else { image_error ("Unable to create pixmap for XBM image `%s'", img->spec, Qnil); x_clear_image (f, img); } UNBLOCK_INPUT; } return success_p; } /*********************************************************************** XPM images ***********************************************************************/ #if HAVE_XPM static int xpm_image_p P_ ((Lisp_Object object)); static int xpm_load P_ ((struct frame *f, struct image *img)); static int xpm_valid_color_symbols_p P_ ((Lisp_Object)); #include "X11/xpm.h" /* The symbol `xpm' identifying XPM-format images. */ Lisp_Object Qxpm; /* Indices of image specification fields in xpm_format, below. */ enum xpm_keyword_index { XPM_TYPE, XPM_FILE, XPM_DATA, XPM_ASCENT, XPM_MARGIN, XPM_RELIEF, XPM_ALGORITHM, XPM_HEURISTIC_MASK, XPM_COLOR_SYMBOLS, XPM_LAST }; /* Vector of image_keyword structures describing the format of valid XPM image specifications. */ static struct image_keyword xpm_format[XPM_LAST] = { {":type", IMAGE_SYMBOL_VALUE, 1}, {":file", IMAGE_STRING_VALUE, 0}, {":data", IMAGE_STRING_VALUE, 0}, {":ascent", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0}, {":margin", IMAGE_POSITIVE_INTEGER_VALUE, 0}, {":relief", IMAGE_INTEGER_VALUE, 0}, {":algorithm", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, {":color-symbols", IMAGE_DONT_CHECK_VALUE_TYPE, 0} }; /* Structure describing the image type XBM. */ static struct image_type xpm_type = { &Qxpm, xpm_image_p, xpm_load, x_clear_image, NULL }; /* Value is non-zero if COLOR_SYMBOLS is a valid color symbols list for XPM images. Such a list must consist of conses whose car and cdr are strings. */ static int xpm_valid_color_symbols_p (color_symbols) Lisp_Object color_symbols; { while (CONSP (color_symbols)) { Lisp_Object sym = XCAR (color_symbols); if (!CONSP (sym) || !STRINGP (XCAR (sym)) || !STRINGP (XCDR (sym))) break; color_symbols = XCDR (color_symbols); } return NILP (color_symbols); } /* Value is non-zero if OBJECT is a valid XPM image specification. */ static int xpm_image_p (object) Lisp_Object object; { struct image_keyword fmt[XPM_LAST]; bcopy (xpm_format, fmt, sizeof fmt); return (parse_image_spec (object, fmt, XPM_LAST, Qxpm) /* Either `:file' or `:data' must be present. */ && fmt[XPM_FILE].count + fmt[XPM_DATA].count == 1 /* Either no `:color-symbols' or it's a list of conses whose car and cdr are strings. */ && (fmt[XPM_COLOR_SYMBOLS].count == 0 || xpm_valid_color_symbols_p (fmt[XPM_COLOR_SYMBOLS].value)) && (fmt[XPM_ASCENT].count == 0 || XFASTINT (fmt[XPM_ASCENT].value) < 100)); } /* Load image IMG which will be displayed on frame F. Value is non-zero if successful. */ static int xpm_load (f, img) struct frame *f; struct image *img; { int rc, i; XpmAttributes attrs; Lisp_Object specified_file, color_symbols; /* Configure the XPM lib. Use the visual of frame F. Allocate close colors. Return colors allocated. */ bzero (&attrs, sizeof attrs); attrs.visual = FRAME_X_VISUAL (f); attrs.colormap = FRAME_X_COLORMAP (f); attrs.valuemask |= XpmVisual; attrs.valuemask |= XpmColormap; attrs.valuemask |= XpmReturnAllocPixels; #ifdef XpmAllocCloseColors attrs.alloc_close_colors = 1; attrs.valuemask |= XpmAllocCloseColors; #else attrs.closeness = 600; attrs.valuemask |= XpmCloseness; #endif /* If image specification contains symbolic color definitions, add these to `attrs'. */ color_symbols = image_spec_value (img->spec, QCcolor_symbols, NULL); if (CONSP (color_symbols)) { Lisp_Object tail; XpmColorSymbol *xpm_syms; int i, size; attrs.valuemask |= XpmColorSymbols; /* Count number of symbols. */ attrs.numsymbols = 0; for (tail = color_symbols; CONSP (tail); tail = XCDR (tail)) ++attrs.numsymbols; /* Allocate an XpmColorSymbol array. */ size = attrs.numsymbols * sizeof *xpm_syms; xpm_syms = (XpmColorSymbol *) alloca (size); bzero (xpm_syms, size); attrs.colorsymbols = xpm_syms; /* Fill the color symbol array. */ for (tail = color_symbols, i = 0; CONSP (tail); ++i, tail = XCDR (tail)) { Lisp_Object name = XCAR (XCAR (tail)); Lisp_Object color = XCDR (XCAR (tail)); xpm_syms[i].name = (char *) alloca (XSTRING (name)->size + 1); strcpy (xpm_syms[i].name, XSTRING (name)->data); xpm_syms[i].value = (char *) alloca (XSTRING (color)->size + 1); strcpy (xpm_syms[i].value, XSTRING (color)->data); } } /* Create a pixmap for the image, either from a file, or from a string buffer containing data in the same format as an XPM file. */ BLOCK_INPUT; specified_file = image_spec_value (img->spec, QCfile, NULL); if (STRINGP (specified_file)) { Lisp_Object file = x_find_image_file (specified_file); if (!STRINGP (file)) { image_error ("Cannot find image file `%s'", specified_file, Qnil); UNBLOCK_INPUT; return 0; } rc = XpmReadFileToPixmap (NULL, FRAME_W32_WINDOW (f), XSTRING (file)->data, &img->pixmap, &img->mask, &attrs); } else { Lisp_Object buffer = image_spec_value (img->spec, QCdata, NULL); rc = XpmCreatePixmapFromBuffer (NULL, FRAME_W32_WINDOW (f), XSTRING (buffer)->data, &img->pixmap, &img->mask, &attrs); } UNBLOCK_INPUT; if (rc == XpmSuccess) { /* Remember allocated colors. */ img->ncolors = attrs.nalloc_pixels; img->colors = (unsigned long *) xmalloc (img->ncolors * sizeof *img->colors); for (i = 0; i < attrs.nalloc_pixels; ++i) img->colors[i] = attrs.alloc_pixels[i]; img->width = attrs.width; img->height = attrs.height; xassert (img->width > 0 && img->height > 0); /* The call to XpmFreeAttributes below frees attrs.alloc_pixels. */ BLOCK_INPUT; XpmFreeAttributes (&attrs); UNBLOCK_INPUT; } else { switch (rc) { case XpmOpenFailed: image_error ("Error opening XPM file (%s)", img->spec, Qnil); break; case XpmFileInvalid: image_error ("Invalid XPM file (%s)", img->spec, Qnil); break; case XpmNoMemory: image_error ("Out of memory (%s)", img->spec, Qnil); break; case XpmColorFailed: image_error ("Color allocation error (%s)", img->spec, Qnil); break; default: image_error ("Unknown error (%s)", img->spec, Qnil); break; } } return rc == XpmSuccess; } #endif /* HAVE_XPM != 0 */ #if 0 /* NTEMACS_TODO : Color tables on W32. */ /*********************************************************************** Color table ***********************************************************************/ /* An entry in the color table mapping an RGB color to a pixel color. */ struct ct_color { int r, g, b; unsigned long pixel; /* Next in color table collision list. */ struct ct_color *next; }; /* The bucket vector size to use. Must be prime. */ #define CT_SIZE 101 /* Value is a hash of the RGB color given by R, G, and B. */ #define CT_HASH_RGB(R, G, B) (((R) << 16) ^ ((G) << 8) ^ (B)) /* The color hash table. */ struct ct_color **ct_table; /* Number of entries in the color table. */ int ct_colors_allocated; /* Function prototypes. */ static void init_color_table P_ ((void)); static void free_color_table P_ ((void)); static unsigned long *colors_in_color_table P_ ((int *n)); static unsigned long lookup_rgb_color P_ ((struct frame *f, int r, int g, int b)); static unsigned long lookup_pixel_color P_ ((struct frame *f, unsigned long p)); /* Initialize the color table. */ static void init_color_table () { int size = CT_SIZE * sizeof (*ct_table); ct_table = (struct ct_color **) xmalloc (size); bzero (ct_table, size); ct_colors_allocated = 0; } /* Free memory associated with the color table. */ static void free_color_table () { int i; struct ct_color *p, *next; for (i = 0; i < CT_SIZE; ++i) for (p = ct_table[i]; p; p = next) { next = p->next; xfree (p); } xfree (ct_table); ct_table = NULL; } /* Value is a pixel color for RGB color R, G, B on frame F. If an entry for that color already is in the color table, return the pixel color of that entry. Otherwise, allocate a new color for R, G, B, and make an entry in the color table. */ static unsigned long lookup_rgb_color (f, r, g, b) struct frame *f; int r, g, b; { unsigned hash = CT_HASH_RGB (r, g, b); int i = hash % CT_SIZE; struct ct_color *p; for (p = ct_table[i]; p; p = p->next) if (p->r == r && p->g == g && p->b == b) break; if (p == NULL) { COLORREF color; Colormap cmap; int rc; color = PALETTERGB (r, g, b); ++ct_colors_allocated; p = (struct ct_color *) xmalloc (sizeof *p); p->r = r; p->g = g; p->b = b; p->pixel = color; p->next = ct_table[i]; ct_table[i] = p; } return p->pixel; } /* Look up pixel color PIXEL which is used on frame F in the color table. If not already present, allocate it. Value is PIXEL. */ static unsigned long lookup_pixel_color (f, pixel) struct frame *f; unsigned long pixel; { int i = pixel % CT_SIZE; struct ct_color *p; for (p = ct_table[i]; p; p = p->next) if (p->pixel == pixel) break; if (p == NULL) { XColor color; Colormap cmap; int rc; BLOCK_INPUT; cmap = DefaultColormapOfScreen (FRAME_X_SCREEN (f)); color.pixel = pixel; XQueryColor (NULL, cmap, &color); rc = x_alloc_nearest_color (f, cmap, &color); UNBLOCK_INPUT; if (rc) { ++ct_colors_allocated; p = (struct ct_color *) xmalloc (sizeof *p); p->r = color.red; p->g = color.green; p->b = color.blue; p->pixel = pixel; p->next = ct_table[i]; ct_table[i] = p; } else return FRAME_FOREGROUND_PIXEL (f); } return p->pixel; } /* Value is a vector of all pixel colors contained in the color table, allocated via xmalloc. Set *N to the number of colors. */ static unsigned long * colors_in_color_table (n) int *n; { int i, j; struct ct_color *p; unsigned long *colors; if (ct_colors_allocated == 0) { *n = 0; colors = NULL; } else { colors = (unsigned long *) xmalloc (ct_colors_allocated * sizeof *colors); *n = ct_colors_allocated; for (i = j = 0; i < CT_SIZE; ++i) for (p = ct_table[i]; p; p = p->next) colors[j++] = p->pixel; } return colors; } #endif /* NTEMACS_TODO */ /*********************************************************************** Algorithms ***********************************************************************/ #if 0 /* NTEMACS_TODO : W32 versions of low level algorithms */ static void x_laplace_write_row P_ ((struct frame *, long *, int, XImage *, int)); static void x_laplace_read_row P_ ((struct frame *, Colormap, XColor *, int, XImage *, int)); /* Fill COLORS with RGB colors from row Y of image XIMG. F is the frame we operate on, CMAP is the color-map in effect, and WIDTH is the width of one row in the image. */ static void x_laplace_read_row (f, cmap, colors, width, ximg, y) struct frame *f; Colormap cmap; XColor *colors; int width; XImage *ximg; int y; { int x; for (x = 0; x < width; ++x) colors[x].pixel = XGetPixel (ximg, x, y); XQueryColors (NULL, cmap, colors, width); } /* Write row Y of image XIMG. PIXELS is an array of WIDTH longs containing the pixel colors to write. F is the frame we are working on. */ static void x_laplace_write_row (f, pixels, width, ximg, y) struct frame *f; long *pixels; int width; XImage *ximg; int y; { int x; for (x = 0; x < width; ++x) XPutPixel (ximg, x, y, pixels[x]); } #endif /* Transform image IMG which is used on frame F with a Laplace edge-detection algorithm. The result is an image that can be used to draw disabled buttons, for example. */ static void x_laplace (f, img) struct frame *f; struct image *img; { #if 0 /* NTEMACS_TODO : W32 version */ Colormap cmap = DefaultColormapOfScreen (FRAME_X_SCREEN (f)); XImage *ximg, *oimg; XColor *in[3]; long *out; Pixmap pixmap; int x, y, i; long pixel; int in_y, out_y, rc; int mv2 = 45000; BLOCK_INPUT; /* Get the X image IMG->pixmap. */ ximg = XGetImage (NULL, img->pixmap, 0, 0, img->width, img->height, ~0, ZPixmap); /* Allocate 3 input rows, and one output row of colors. */ for (i = 0; i < 3; ++i) in[i] = (XColor *) alloca (img->width * sizeof (XColor)); out = (long *) alloca (img->width * sizeof (long)); /* Create an X image for output. */ rc = x_create_x_image_and_pixmap (f, img->width, img->height, 0, &oimg, &pixmap); /* Fill first two rows. */ x_laplace_read_row (f, cmap, in[0], img->width, ximg, 0); x_laplace_read_row (f, cmap, in[1], img->width, ximg, 1); in_y = 2; /* Write first row, all zeros. */ init_color_table (); pixel = lookup_rgb_color (f, 0, 0, 0); for (x = 0; x < img->width; ++x) out[x] = pixel; x_laplace_write_row (f, out, img->width, oimg, 0); out_y = 1; for (y = 2; y < img->height; ++y) { int rowa = y % 3; int rowb = (y + 2) % 3; x_laplace_read_row (f, cmap, in[rowa], img->width, ximg, in_y++); for (x = 0; x < img->width - 2; ++x) { int r = in[rowa][x].red + mv2 - in[rowb][x + 2].red; int g = in[rowa][x].green + mv2 - in[rowb][x + 2].green; int b = in[rowa][x].blue + mv2 - in[rowb][x + 2].blue; out[x + 1] = lookup_rgb_color (f, r & 0xffff, g & 0xffff, b & 0xffff); } x_laplace_write_row (f, out, img->width, oimg, out_y++); } /* Write last line, all zeros. */ for (x = 0; x < img->width; ++x) out[x] = pixel; x_laplace_write_row (f, out, img->width, oimg, out_y); /* Free the input image, and free resources of IMG. */ XDestroyImage (ximg); x_clear_image (f, img); /* Put the output image into pixmap, and destroy it. */ x_put_x_image (f, oimg, pixmap, img->width, img->height); x_destroy_x_image (oimg); /* Remember new pixmap and colors in IMG. */ img->pixmap = pixmap; img->colors = colors_in_color_table (&img->ncolors); free_color_table (); UNBLOCK_INPUT; #endif /* NTEMACS_TODO */ } /* Build a mask for image IMG which is used on frame F. FILE is the name of an image file, for error messages. HOW determines how to determine the background color of IMG. If it is a list '(R G B)', with R, G, and B being integers >= 0, take that as the color of the background. Otherwise, determine the background color of IMG heuristically. Value is non-zero if successful. */ static int x_build_heuristic_mask (f, img, how) struct frame *f; struct image *img; Lisp_Object how; { #if 0 /* NTEMACS_TODO : W32 version */ Display *dpy = FRAME_W32_DISPLAY (f); XImage *ximg, *mask_img; int x, y, rc, look_at_corners_p; unsigned long bg; BLOCK_INPUT; /* Create an image and pixmap serving as mask. */ rc = x_create_x_image_and_pixmap (f, img->width, img->height, 1, &mask_img, &img->mask); if (!rc) { UNBLOCK_INPUT; return 0; } /* Get the X image of IMG->pixmap. */ ximg = XGetImage (dpy, img->pixmap, 0, 0, img->width, img->height, ~0, ZPixmap); /* Determine the background color of ximg. If HOW is `(R G B)' take that as color. Otherwise, try to determine the color heuristically. */ look_at_corners_p = 1; if (CONSP (how)) { int rgb[3], i = 0; while (i < 3 && CONSP (how) && NATNUMP (XCAR (how))) { rgb[i] = XFASTINT (XCAR (how)) & 0xffff; how = XCDR (how); } if (i == 3 && NILP (how)) { char color_name[30]; XColor exact, color; Colormap cmap; sprintf (color_name, "#%04x%04x%04x", rgb[0], rgb[1], rgb[2]); cmap = DefaultColormapOfScreen (FRAME_X_SCREEN (f)); if (XLookupColor (dpy, cmap, color_name, &exact, &color)) { bg = color.pixel; look_at_corners_p = 0; } } } if (look_at_corners_p) { unsigned long corners[4]; int i, best_count; /* Get the colors at the corners of ximg. */ corners[0] = XGetPixel (ximg, 0, 0); corners[1] = XGetPixel (ximg, img->width - 1, 0); corners[2] = XGetPixel (ximg, img->width - 1, img->height - 1); corners[3] = XGetPixel (ximg, 0, img->height - 1); /* Choose the most frequently found color as background. */ for (i = best_count = 0; i < 4; ++i) { int j, n; for (j = n = 0; j < 4; ++j) if (corners[i] == corners[j]) ++n; if (n > best_count) bg = corners[i], best_count = n; } } /* Set all bits in mask_img to 1 whose color in ximg is different from the background color bg. */ for (y = 0; y < img->height; ++y) for (x = 0; x < img->width; ++x) XPutPixel (mask_img, x, y, XGetPixel (ximg, x, y) != bg); /* Put mask_img into img->mask. */ x_put_x_image (f, mask_img, img->mask, img->width, img->height); x_destroy_x_image (mask_img); XDestroyImage (ximg); UNBLOCK_INPUT; #endif /* NTEMACS_TODO */ return 1; } /*********************************************************************** PBM (mono, gray, color) ***********************************************************************/ #ifdef HAVE_PBM static int pbm_image_p P_ ((Lisp_Object object)); static int pbm_load P_ ((struct frame *f, struct image *img)); static int pbm_scan_number P_ ((unsigned char **, unsigned char *)); /* The symbol `pbm' identifying images of this type. */ Lisp_Object Qpbm; /* Indices of image specification fields in gs_format, below. */ enum pbm_keyword_index { PBM_TYPE, PBM_FILE, PBM_DATA, PBM_ASCENT, PBM_MARGIN, PBM_RELIEF, PBM_ALGORITHM, PBM_HEURISTIC_MASK, PBM_LAST }; /* Vector of image_keyword structures describing the format of valid user-defined image specifications. */ static struct image_keyword pbm_format[PBM_LAST] = { {":type", IMAGE_SYMBOL_VALUE, 1}, {":file", IMAGE_STRING_VALUE, 0}, {":data", IMAGE_STRING_VALUE, 0}, {":ascent", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0}, {":margin", IMAGE_POSITIVE_INTEGER_VALUE, 0}, {":relief", IMAGE_INTEGER_VALUE, 0}, {":algorithm", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0} }; /* Structure describing the image type `pbm'. */ static struct image_type pbm_type = { &Qpbm, pbm_image_p, pbm_load, x_clear_image, NULL }; /* Return non-zero if OBJECT is a valid PBM image specification. */ static int pbm_image_p (object) Lisp_Object object; { struct image_keyword fmt[PBM_LAST]; bcopy (pbm_format, fmt, sizeof fmt); if (!parse_image_spec (object, fmt, PBM_LAST, Qpbm) || (fmt[PBM_ASCENT].count && XFASTINT (fmt[PBM_ASCENT].value) > 100)) return 0; /* Must specify either :data or :file. */ return fmt[PBM_DATA].count + fmt[PBM_FILE].count == 1; } /* Scan a decimal number from *S and return it. Advance *S while reading the number. END is the end of the string. Value is -1 at end of input. */ static int pbm_scan_number (s, end) unsigned char **s, *end; { int c, val = -1; while (*s < end) { /* Skip white-space. */ while (*s < end && (c = *(*s)++, isspace (c))) ; if (c == '#') { /* Skip comment to end of line. */ while (*s < end && (c = *(*s)++, c != '\n')) ; } else if (isdigit (c)) { /* Read decimal number. */ val = c - '0'; while (*s < end && (c = *(*s)++, isdigit (c))) val = 10 * val + c - '0'; break; } else break; } return val; } /* Read FILE into memory. Value is a pointer to a buffer allocated with xmalloc holding FILE's contents. Value is null if an error occured. *SIZE is set to the size of the file. */ static char * pbm_read_file (file, size) Lisp_Object file; int *size; { FILE *fp = NULL; char *buf = NULL; struct stat st; if (stat (XSTRING (file)->data, &st) == 0 && (fp = fopen (XSTRING (file)->data, "r")) != NULL && (buf = (char *) xmalloc (st.st_size), fread (buf, 1, st.st_size, fp) == st.st_size)) { *size = st.st_size; fclose (fp); } else { if (fp) fclose (fp); if (buf) { xfree (buf); buf = NULL; } } return buf; } /* Load PBM image IMG for use on frame F. */ static int pbm_load (f, img) struct frame *f; struct image *img; { int raw_p, x, y; int width, height, max_color_idx = 0; XImage *ximg; Lisp_Object file, specified_file; enum {PBM_MONO, PBM_GRAY, PBM_COLOR} type; struct gcpro gcpro1; unsigned char *contents = NULL; unsigned char *end, *p; int size; specified_file = image_spec_value (img->spec, QCfile, NULL); file = Qnil; GCPRO1 (file); if (STRINGP (specified_file)) { file = x_find_image_file (specified_file); if (!STRINGP (file)) { image_error ("Cannot find image file `%s'", specified_file, Qnil); UNGCPRO; return 0; } contents = pbm_read_file (file, &size); if (contents == NULL) { image_error ("Error reading `%s'", file, Qnil); UNGCPRO; return 0; } p = contents; end = contents + size; } else { Lisp_Object data; data = image_spec_value (img->spec, QCdata, NULL); p = XSTRING (data)->data; end = p + STRING_BYTES (XSTRING (data)); } /* Check magic number. */ if (end - p < 2 || *p++ != 'P') { image_error ("Not a PBM image: `%s'", img->spec, Qnil); error: xfree (contents); UNGCPRO; return 0; } switch (*p++) { case '1': raw_p = 0, type = PBM_MONO; break; case '2': raw_p = 0, type = PBM_GRAY; break; case '3': raw_p = 0, type = PBM_COLOR; break; case '4': raw_p = 1, type = PBM_MONO; break; case '5': raw_p = 1, type = PBM_GRAY; break; case '6': raw_p = 1, type = PBM_COLOR; break; default: image_error ("Not a PBM image: `%s'", img->spec, Qnil); goto error; } /* Read width, height, maximum color-component. Characters starting with `#' up to the end of a line are ignored. */ width = pbm_scan_number (&p, end); height = pbm_scan_number (&p, end); if (type != PBM_MONO) { max_color_idx = pbm_scan_number (&p, end); if (raw_p && max_color_idx > 255) max_color_idx = 255; } if (width < 0 || height < 0 || (type != PBM_MONO && max_color_idx < 0)) goto error; BLOCK_INPUT; if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, &img->pixmap)) { UNBLOCK_INPUT; goto error; } /* Initialize the color hash table. */ init_color_table (); if (type == PBM_MONO) { int c = 0, g; for (y = 0; y < height; ++y) for (x = 0; x < width; ++x) { if (raw_p) { if ((x & 7) == 0) c = *p++; g = c & 0x80; c <<= 1; } else g = pbm_scan_number (&p, end); XPutPixel (ximg, x, y, (g ? FRAME_FOREGROUND_PIXEL (f) : FRAME_BACKGROUND_PIXEL (f))); } } else { for (y = 0; y < height; ++y) for (x = 0; x < width; ++x) { int r, g, b; if (type == PBM_GRAY) r = g = b = raw_p ? *p++ : pbm_scan_number (&p, end); else if (raw_p) { r = *p++; g = *p++; b = *p++; } else { r = pbm_scan_number (&p, end); g = pbm_scan_number (&p, end); b = pbm_scan_number (&p, end); } if (r < 0 || g < 0 || b < 0) { xfree (ximg->data); ximg->data = NULL; XDestroyImage (ximg); UNBLOCK_INPUT; image_error ("Invalid pixel value in image `%s'", img->spec, Qnil); goto error; } /* RGB values are now in the range 0..max_color_idx. Scale this to the range 0..0xffff supported by X. */ r = (double) r * 65535 / max_color_idx; g = (double) g * 65535 / max_color_idx; b = (double) b * 65535 / max_color_idx; XPutPixel (ximg, x, y, lookup_rgb_color (f, r, g, b)); } } /* Store in IMG->colors the colors allocated for the image, and free the color table. */ img->colors = colors_in_color_table (&img->ncolors); free_color_table (); /* Put the image into a pixmap. */ x_put_x_image (f, ximg, img->pixmap, width, height); x_destroy_x_image (ximg); UNBLOCK_INPUT; img->width = width; img->height = height; UNGCPRO; xfree (contents); return 1; } #endif /* HAVE_PBM */ /*********************************************************************** PNG ***********************************************************************/ #if HAVE_PNG #include /* Function prototypes. */ static int png_image_p P_ ((Lisp_Object object)); static int png_load P_ ((struct frame *f, struct image *img)); /* The symbol `png' identifying images of this type. */ Lisp_Object Qpng; /* Indices of image specification fields in png_format, below. */ enum png_keyword_index { PNG_TYPE, PNG_DATA, PNG_FILE, PNG_ASCENT, PNG_MARGIN, PNG_RELIEF, PNG_ALGORITHM, PNG_HEURISTIC_MASK, PNG_LAST }; /* Vector of image_keyword structures describing the format of valid user-defined image specifications. */ static struct image_keyword png_format[PNG_LAST] = { {":type", IMAGE_SYMBOL_VALUE, 1}, {":data", IMAGE_STRING_VALUE, 0}, {":file", IMAGE_STRING_VALUE, 0}, {":ascent", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0}, {":margin", IMAGE_POSITIVE_INTEGER_VALUE, 0}, {":relief", IMAGE_INTEGER_VALUE, 0}, {":algorithm", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0} }; /* Structure describing the image type `png'. */ static struct image_type png_type = { &Qpng, png_image_p, png_load, x_clear_image, NULL }; /* Return non-zero if OBJECT is a valid PNG image specification. */ static int png_image_p (object) Lisp_Object object; { struct image_keyword fmt[PNG_LAST]; bcopy (png_format, fmt, sizeof fmt); if (!parse_image_spec (object, fmt, PNG_LAST, Qpng) || (fmt[PNG_ASCENT].count && XFASTINT (fmt[PNG_ASCENT].value) > 100)) return 0; /* Must specify either the :data or :file keyword. */ return fmt[PNG_FILE].count + fmt[PNG_DATA].count == 1; } /* Error and warning handlers installed when the PNG library is initialized. */ static void my_png_error (png_ptr, msg) png_struct *png_ptr; char *msg; { xassert (png_ptr != NULL); image_error ("PNG error: %s", build_string (msg), Qnil); longjmp (png_ptr->jmpbuf, 1); } static void my_png_warning (png_ptr, msg) png_struct *png_ptr; char *msg; { xassert (png_ptr != NULL); image_error ("PNG warning: %s", build_string (msg), Qnil); } /* Memory source for PNG decoding. */ struct png_memory_storage { unsigned char *bytes; /* The data */ size_t len; /* How big is it? */ int index; /* Where are we? */ }; /* Function set as reader function when reading PNG image from memory. PNG_PTR is a pointer to the PNG control structure. Copy LENGTH bytes from the input to DATA. */ static void png_read_from_memory (png_ptr, data, length) png_structp png_ptr; png_bytep data; png_size_t length; { struct png_memory_storage *tbr = (struct png_memory_storage *) png_get_io_ptr (png_ptr); if (length > tbr->len - tbr->index) png_error (png_ptr, "Read error"); bcopy (tbr->bytes + tbr->index, data, length); tbr->index = tbr->index + length; } /* Load PNG image IMG for use on frame F. Value is non-zero if successful. */ static int png_load (f, img) struct frame *f; struct image *img; { Lisp_Object file, specified_file; Lisp_Object specified_data; int x, y, i; XImage *ximg, *mask_img = NULL; struct gcpro gcpro1; png_struct *png_ptr = NULL; png_info *info_ptr = NULL, *end_info = NULL; FILE *fp = NULL; png_byte sig[8]; png_byte *pixels = NULL; png_byte **rows = NULL; png_uint_32 width, height; int bit_depth, color_type, interlace_type; png_byte channels; png_uint_32 row_bytes; int transparent_p; char *gamma_str; double screen_gamma, image_gamma; int intent; struct png_memory_storage tbr; /* Data to be read */ /* Find out what file to load. */ specified_file = image_spec_value (img->spec, QCfile, NULL); specified_data = image_spec_value (img->spec, QCdata, NULL); file = Qnil; GCPRO1 (file); if (NILP (specified_data)) { file = x_find_image_file (specified_file); if (!STRINGP (file)) { image_error ("Cannot find image file `%s'", specified_file, Qnil); UNGCPRO; return 0; } /* Open the image file. */ fp = fopen (XSTRING (file)->data, "rb"); if (!fp) { image_error ("Cannot open image file `%s'", file, Qnil); UNGCPRO; fclose (fp); return 0; } /* Check PNG signature. */ if (fread (sig, 1, sizeof sig, fp) != sizeof sig || !png_check_sig (sig, sizeof sig)) { image_error ("Not a PNG file:` %s'", file, Qnil); UNGCPRO; fclose (fp); return 0; } } else { /* Read from memory. */ tbr.bytes = XSTRING (specified_data)->data; tbr.len = STRING_BYTES (XSTRING (specified_data)); tbr.index = 0; /* Check PNG signature. */ if (tbr.len < sizeof sig || !png_check_sig (tbr.bytes, sizeof sig)) { image_error ("Not a PNG image: `%s'", img->spec, Qnil); UNGCPRO; return 0; } /* Need to skip past the signature. */ tbr.bytes += sizeof (sig); } /* Initialize read and info structs for PNG lib. */ png_ptr = png_create_read_struct (PNG_LIBPNG_VER_STRING, NULL, my_png_error, my_png_warning); if (!png_ptr) { if (fp) fclose (fp); UNGCPRO; return 0; } info_ptr = png_create_info_struct (png_ptr); if (!info_ptr) { png_destroy_read_struct (&png_ptr, NULL, NULL); if (fp) fclose (fp); UNGCPRO; return 0; } end_info = png_create_info_struct (png_ptr); if (!end_info) { png_destroy_read_struct (&png_ptr, &info_ptr, NULL); if (fp) fclose (fp); UNGCPRO; return 0; } /* Set error jump-back. We come back here when the PNG library detects an error. */ if (setjmp (png_ptr->jmpbuf)) { error: if (png_ptr) png_destroy_read_struct (&png_ptr, &info_ptr, &end_info); xfree (pixels); xfree (rows); if (fp) fclose (fp); UNGCPRO; return 0; } /* Read image info. */ if (!NILP (specified_data)) png_set_read_fn (png_ptr, (void *) &tbr, png_read_from_memory); else png_init_io (png_ptr, fp); png_set_sig_bytes (png_ptr, sizeof sig); png_read_info (png_ptr, info_ptr); png_get_IHDR (png_ptr, info_ptr, &width, &height, &bit_depth, &color_type, &interlace_type, NULL, NULL); /* If image contains simply transparency data, we prefer to construct a clipping mask. */ if (png_get_valid (png_ptr, info_ptr, PNG_INFO_tRNS)) transparent_p = 1; else transparent_p = 0; /* This function is easier to write if we only have to handle one data format: RGB or RGBA with 8 bits per channel. Let's transform other formats into that format. */ /* Strip more than 8 bits per channel. */ if (bit_depth == 16) png_set_strip_16 (png_ptr); /* Expand data to 24 bit RGB, or 8 bit grayscale, with alpha channel if available. */ png_set_expand (png_ptr); /* Convert grayscale images to RGB. */ if (color_type == PNG_COLOR_TYPE_GRAY || color_type == PNG_COLOR_TYPE_GRAY_ALPHA) png_set_gray_to_rgb (png_ptr); /* The value 2.2 is a guess for PC monitors from PNG example.c. */ gamma_str = getenv ("SCREEN_GAMMA"); screen_gamma = gamma_str ? atof (gamma_str) : 2.2; /* Tell the PNG lib to handle gamma correction for us. */ #if defined(PNG_READ_sRGB_SUPPORTED) || defined(PNG_WRITE_sRGB_SUPPORTED) if (png_get_sRGB (png_ptr, info_ptr, &intent)) /* There is a special chunk in the image specifying the gamma. */ png_set_sRGB (png_ptr, info_ptr, intent); else #endif if (png_get_gAMA (png_ptr, info_ptr, &image_gamma)) /* Image contains gamma information. */ png_set_gamma (png_ptr, screen_gamma, image_gamma); else /* Use a default of 0.5 for the image gamma. */ png_set_gamma (png_ptr, screen_gamma, 0.5); /* Handle alpha channel by combining the image with a background color. Do this only if a real alpha channel is supplied. For simple transparency, we prefer a clipping mask. */ if (!transparent_p) { png_color_16 *image_background; if (png_get_bKGD (png_ptr, info_ptr, &image_background)) /* Image contains a background color with which to combine the image. */ png_set_background (png_ptr, image_background, PNG_BACKGROUND_GAMMA_FILE, 1, 1.0); else { /* Image does not contain a background color with which to combine the image data via an alpha channel. Use the frame's background instead. */ XColor color; Colormap cmap; png_color_16 frame_background; BLOCK_INPUT; cmap = DefaultColormapOfScreen (FRAME_X_SCREEN (f)); color.pixel = FRAME_BACKGROUND_PIXEL (f); XQueryColor (FRAME_W32_DISPLAY (f), cmap, &color); UNBLOCK_INPUT; bzero (&frame_background, sizeof frame_background); frame_background.red = color.red; frame_background.green = color.green; frame_background.blue = color.blue; png_set_background (png_ptr, &frame_background, PNG_BACKGROUND_GAMMA_SCREEN, 0, 1.0); } } /* Update info structure. */ png_read_update_info (png_ptr, info_ptr); /* Get number of channels. Valid values are 1 for grayscale images and images with a palette, 2 for grayscale images with transparency information (alpha channel), 3 for RGB images, and 4 for RGB images with alpha channel, i.e. RGBA. If conversions above were sufficient we should only have 3 or 4 channels here. */ channels = png_get_channels (png_ptr, info_ptr); xassert (channels == 3 || channels == 4); /* Number of bytes needed for one row of the image. */ row_bytes = png_get_rowbytes (png_ptr, info_ptr); /* Allocate memory for the image. */ pixels = (png_byte *) xmalloc (row_bytes * height * sizeof *pixels); rows = (png_byte **) xmalloc (height * sizeof *rows); for (i = 0; i < height; ++i) rows[i] = pixels + i * row_bytes; /* Read the entire image. */ png_read_image (png_ptr, rows); png_read_end (png_ptr, info_ptr); if (fp) { fclose (fp); fp = NULL; } BLOCK_INPUT; /* Create the X image and pixmap. */ if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, &img->pixmap)) { UNBLOCK_INPUT; goto error; } /* Create an image and pixmap serving as mask if the PNG image contains an alpha channel. */ if (channels == 4 && !transparent_p && !x_create_x_image_and_pixmap (f, width, height, 1, &mask_img, &img->mask)) { x_destroy_x_image (ximg); XFreePixmap (FRAME_W32_DISPLAY (f), img->pixmap); img->pixmap = 0; UNBLOCK_INPUT; goto error; } /* Fill the X image and mask from PNG data. */ init_color_table (); for (y = 0; y < height; ++y) { png_byte *p = rows[y]; for (x = 0; x < width; ++x) { unsigned r, g, b; r = *p++ << 8; g = *p++ << 8; b = *p++ << 8; XPutPixel (ximg, x, y, lookup_rgb_color (f, r, g, b)); /* An alpha channel, aka mask channel, associates variable transparency with an image. Where other image formats support binary transparency---fully transparent or fully opaque---PNG allows up to 254 levels of partial transparency. The PNG library implements partial transparency by combining the image with a specified background color. I'm not sure how to handle this here nicely: because the background on which the image is displayed may change, for real alpha channel support, it would be necessary to create a new image for each possible background. What I'm doing now is that a mask is created if we have boolean transparency information. Otherwise I'm using the frame's background color to combine the image with. */ if (channels == 4) { if (mask_img) XPutPixel (mask_img, x, y, *p > 0); ++p; } } } /* Remember colors allocated for this image. */ img->colors = colors_in_color_table (&img->ncolors); free_color_table (); /* Clean up. */ png_destroy_read_struct (&png_ptr, &info_ptr, &end_info); xfree (rows); xfree (pixels); img->width = width; img->height = height; /* Put the image into the pixmap, then free the X image and its buffer. */ x_put_x_image (f, ximg, img->pixmap, width, height); x_destroy_x_image (ximg); /* Same for the mask. */ if (mask_img) { x_put_x_image (f, mask_img, img->mask, img->width, img->height); x_destroy_x_image (mask_img); } UNBLOCK_INPUT; UNGCPRO; return 1; } #endif /* HAVE_PNG != 0 */ /*********************************************************************** JPEG ***********************************************************************/ #if HAVE_JPEG /* Work around a warning about HAVE_STDLIB_H being redefined in jconfig.h. */ #ifdef HAVE_STDLIB_H #define HAVE_STDLIB_H_1 #undef HAVE_STDLIB_H #endif /* HAVE_STLIB_H */ #include #include #include #ifdef HAVE_STLIB_H_1 #define HAVE_STDLIB_H 1 #endif static int jpeg_image_p P_ ((Lisp_Object object)); static int jpeg_load P_ ((struct frame *f, struct image *img)); /* The symbol `jpeg' identifying images of this type. */ Lisp_Object Qjpeg; /* Indices of image specification fields in gs_format, below. */ enum jpeg_keyword_index { JPEG_TYPE, JPEG_DATA, JPEG_FILE, JPEG_ASCENT, JPEG_MARGIN, JPEG_RELIEF, JPEG_ALGORITHM, JPEG_HEURISTIC_MASK, JPEG_LAST }; /* Vector of image_keyword structures describing the format of valid user-defined image specifications. */ static struct image_keyword jpeg_format[JPEG_LAST] = { {":type", IMAGE_SYMBOL_VALUE, 1}, {":data", IMAGE_STRING_VALUE, 0}, {":file", IMAGE_STRING_VALUE, 0}, {":ascent", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0}, {":margin", IMAGE_POSITIVE_INTEGER_VALUE, 0}, {":relief", IMAGE_INTEGER_VALUE, 0}, {":algorithm", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0} }; /* Structure describing the image type `jpeg'. */ static struct image_type jpeg_type = { &Qjpeg, jpeg_image_p, jpeg_load, x_clear_image, NULL }; /* Return non-zero if OBJECT is a valid JPEG image specification. */ static int jpeg_image_p (object) Lisp_Object object; { struct image_keyword fmt[JPEG_LAST]; bcopy (jpeg_format, fmt, sizeof fmt); if (!parse_image_spec (object, fmt, JPEG_LAST, Qjpeg) || (fmt[JPEG_ASCENT].count && XFASTINT (fmt[JPEG_ASCENT].value) > 100)) return 0; /* Must specify either the :data or :file keyword. */ return fmt[JPEG_FILE].count + fmt[JPEG_DATA].count == 1; } struct my_jpeg_error_mgr { struct jpeg_error_mgr pub; jmp_buf setjmp_buffer; }; static void my_error_exit (cinfo) j_common_ptr cinfo; { struct my_jpeg_error_mgr *mgr = (struct my_jpeg_error_mgr *) cinfo->err; longjmp (mgr->setjmp_buffer, 1); } /* Init source method for JPEG data source manager. Called by jpeg_read_header() before any data is actually read. See libjpeg.doc from the JPEG lib distribution. */ static void our_init_source (cinfo) j_decompress_ptr cinfo; { } /* Fill input buffer method for JPEG data source manager. Called whenever more data is needed. We read the whole image in one step, so this only adds a fake end of input marker at the end. */ static boolean our_fill_input_buffer (cinfo) j_decompress_ptr cinfo; { /* Insert a fake EOI marker. */ struct jpeg_source_mgr *src = cinfo->src; static JOCTET buffer[2]; buffer[0] = (JOCTET) 0xFF; buffer[1] = (JOCTET) JPEG_EOI; src->next_input_byte = buffer; src->bytes_in_buffer = 2; return TRUE; } /* Method to skip over NUM_BYTES bytes in the image data. CINFO->src is the JPEG data source manager. */ static void our_skip_input_data (cinfo, num_bytes) j_decompress_ptr cinfo; long num_bytes; { struct jpeg_source_mgr *src = (struct jpeg_source_mgr *) cinfo->src; if (src) { if (num_bytes > src->bytes_in_buffer) ERREXIT (cinfo, JERR_INPUT_EOF); src->bytes_in_buffer -= num_bytes; src->next_input_byte += num_bytes; } } /* Method to terminate data source. Called by jpeg_finish_decompress() after all data has been processed. */ static void our_term_source (cinfo) j_decompress_ptr cinfo; { } /* Set up the JPEG lib for reading an image from DATA which contains LEN bytes. CINFO is the decompression info structure created for reading the image. */ static void jpeg_memory_src (cinfo, data, len) j_decompress_ptr cinfo; JOCTET *data; unsigned int len; { struct jpeg_source_mgr *src; if (cinfo->src == NULL) { /* First time for this JPEG object? */ cinfo->src = (struct jpeg_source_mgr *) (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_PERMANENT, sizeof (struct jpeg_source_mgr)); src = (struct jpeg_source_mgr *) cinfo->src; src->next_input_byte = data; } src = (struct jpeg_source_mgr *) cinfo->src; src->init_source = our_init_source; src->fill_input_buffer = our_fill_input_buffer; src->skip_input_data = our_skip_input_data; src->resync_to_restart = jpeg_resync_to_restart; /* Use default method. */ src->term_source = our_term_source; src->bytes_in_buffer = len; src->next_input_byte = data; } /* Load image IMG for use on frame F. Patterned after example.c from the JPEG lib. */ static int jpeg_load (f, img) struct frame *f; struct image *img; { struct jpeg_decompress_struct cinfo; struct my_jpeg_error_mgr mgr; Lisp_Object file, specified_file; Lisp_Object specified_data; FILE *fp = NULL; JSAMPARRAY buffer; int row_stride, x, y; XImage *ximg = NULL; int rc; unsigned long *colors; int width, height; struct gcpro gcpro1; /* Open the JPEG file. */ specified_file = image_spec_value (img->spec, QCfile, NULL); specified_data = image_spec_value (img->spec, QCdata, NULL); file = Qnil; GCPRO1 (file); if (NILP (specified_data)) { file = x_find_image_file (specified_file); if (!STRINGP (file)) { image_error ("Cannot find image file `%s'", specified_file, Qnil); UNGCPRO; return 0; } fp = fopen (XSTRING (file)->data, "r"); if (fp == NULL) { image_error ("Cannot open `%s'", file, Qnil); UNGCPRO; return 0; } } /* Customize libjpeg's error handling to call my_error_exit when an error is detected. This function will perform a longjmp. */ mgr.pub.error_exit = my_error_exit; cinfo.err = jpeg_std_error (&mgr.pub); if ((rc = setjmp (mgr.setjmp_buffer)) != 0) { if (rc == 1) { /* Called from my_error_exit. Display a JPEG error. */ char buffer[JMSG_LENGTH_MAX]; cinfo.err->format_message ((j_common_ptr) &cinfo, buffer); image_error ("Error reading JPEG image `%s': %s", img->spec, build_string (buffer)); } /* Close the input file and destroy the JPEG object. */ if (fp) fclose (fp); jpeg_destroy_decompress (&cinfo); BLOCK_INPUT; /* If we already have an XImage, free that. */ x_destroy_x_image (ximg); /* Free pixmap and colors. */ x_clear_image (f, img); UNBLOCK_INPUT; UNGCPRO; return 0; } /* Create the JPEG decompression object. Let it read from fp. Read the JPEG image header. */ jpeg_create_decompress (&cinfo); if (NILP (specified_data)) jpeg_stdio_src (&cinfo, fp); else jpeg_memory_src (&cinfo, XSTRING (specified_data)->data, STRING_BYTES (XSTRING (specified_data))); jpeg_read_header (&cinfo, TRUE); /* Customize decompression so that color quantization will be used. Start decompression. */ cinfo.quantize_colors = TRUE; jpeg_start_decompress (&cinfo); width = img->width = cinfo.output_width; height = img->height = cinfo.output_height; BLOCK_INPUT; /* Create X image and pixmap. */ if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, &img->pixmap)) { UNBLOCK_INPUT; longjmp (mgr.setjmp_buffer, 2); } /* Allocate colors. When color quantization is used, cinfo.actual_number_of_colors has been set with the number of colors generated, and cinfo.colormap is a two-dimensional array of color indices in the range 0..cinfo.actual_number_of_colors. No more than 255 colors will be generated. */ { int i, ir, ig, ib; if (cinfo.out_color_components > 2) ir = 0, ig = 1, ib = 2; else if (cinfo.out_color_components > 1) ir = 0, ig = 1, ib = 0; else ir = 0, ig = 0, ib = 0; /* Use the color table mechanism because it handles colors that cannot be allocated nicely. Such colors will be replaced with a default color, and we don't have to care about which colors can be freed safely, and which can't. */ init_color_table (); colors = (unsigned long *) alloca (cinfo.actual_number_of_colors * sizeof *colors); for (i = 0; i < cinfo.actual_number_of_colors; ++i) { /* Multiply RGB values with 255 because X expects RGB values in the range 0..0xffff. */ int r = cinfo.colormap[ir][i] << 8; int g = cinfo.colormap[ig][i] << 8; int b = cinfo.colormap[ib][i] << 8; colors[i] = lookup_rgb_color (f, r, g, b); } /* Remember those colors actually allocated. */ img->colors = colors_in_color_table (&img->ncolors); free_color_table (); } /* Read pixels. */ row_stride = width * cinfo.output_components; buffer = cinfo.mem->alloc_sarray ((j_common_ptr) &cinfo, JPOOL_IMAGE, row_stride, 1); for (y = 0; y < height; ++y) { jpeg_read_scanlines (&cinfo, buffer, 1); for (x = 0; x < cinfo.output_width; ++x) XPutPixel (ximg, x, y, colors[buffer[0][x]]); } /* Clean up. */ jpeg_finish_decompress (&cinfo); jpeg_destroy_decompress (&cinfo); if (fp) fclose (fp); /* Put the image into the pixmap. */ x_put_x_image (f, ximg, img->pixmap, width, height); x_destroy_x_image (ximg); UNBLOCK_INPUT; UNGCPRO; return 1; } #endif /* HAVE_JPEG */ /*********************************************************************** TIFF ***********************************************************************/ #if HAVE_TIFF #include static int tiff_image_p P_ ((Lisp_Object object)); static int tiff_load P_ ((struct frame *f, struct image *img)); /* The symbol `tiff' identifying images of this type. */ Lisp_Object Qtiff; /* Indices of image specification fields in tiff_format, below. */ enum tiff_keyword_index { TIFF_TYPE, TIFF_DATA, TIFF_FILE, TIFF_ASCENT, TIFF_MARGIN, TIFF_RELIEF, TIFF_ALGORITHM, TIFF_HEURISTIC_MASK, TIFF_LAST }; /* Vector of image_keyword structures describing the format of valid user-defined image specifications. */ static struct image_keyword tiff_format[TIFF_LAST] = { {":type", IMAGE_SYMBOL_VALUE, 1}, {":data", IMAGE_STRING_VALUE, 0}, {":file", IMAGE_STRING_VALUE, 0}, {":ascent", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0}, {":margin", IMAGE_POSITIVE_INTEGER_VALUE, 0}, {":relief", IMAGE_INTEGER_VALUE, 0}, {":algorithm", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0} }; /* Structure describing the image type `tiff'. */ static struct image_type tiff_type = { &Qtiff, tiff_image_p, tiff_load, x_clear_image, NULL }; /* Return non-zero if OBJECT is a valid TIFF image specification. */ static int tiff_image_p (object) Lisp_Object object; { struct image_keyword fmt[TIFF_LAST]; bcopy (tiff_format, fmt, sizeof fmt); if (!parse_image_spec (object, fmt, TIFF_LAST, Qtiff) || (fmt[TIFF_ASCENT].count && XFASTINT (fmt[TIFF_ASCENT].value) > 100)) return 0; /* Must specify either the :data or :file keyword. */ return fmt[TIFF_FILE].count + fmt[TIFF_DATA].count == 1; } /* Reading from a memory buffer for TIFF images Based on the PNG memory source, but we have to provide a lot of extra functions. Blah. We really only need to implement read and seek, but I am not convinced that the TIFF library is smart enough not to destroy itself if we only hand it the function pointers we need to override. */ typedef struct { unsigned char *bytes; size_t len; int index; } tiff_memory_source; static size_t tiff_read_from_memory (data, buf, size) thandle_t data; tdata_t buf; tsize_t size; { tiff_memory_source *src = (tiff_memory_source *) data; if (size > src->len - src->index) return (size_t) -1; bcopy (src->bytes + src->index, buf, size); src->index += size; return size; } static size_t tiff_write_from_memory (data, buf, size) thandle_t data; tdata_t buf; tsize_t size; { return (size_t) -1; } static toff_t tiff_seek_in_memory (data, off, whence) thandle_t data; toff_t off; int whence; { tiff_memory_source *src = (tiff_memory_source *) data; int idx; switch (whence) { case SEEK_SET: /* Go from beginning of source. */ idx = off; break; case SEEK_END: /* Go from end of source. */ idx = src->len + off; break; case SEEK_CUR: /* Go from current position. */ idx = src->index + off; break; default: /* Invalid `whence'. */ return -1; } if (idx > src->len || idx < 0) return -1; src->index = idx; return src->index; } static int tiff_close_memory (data) thandle_t data; { /* NOOP */ return 0; } static int tiff_mmap_memory (data, pbase, psize) thandle_t data; tdata_t *pbase; toff_t *psize; { /* It is already _IN_ memory. */ return 0; } static void tiff_unmap_memory (data, base, size) thandle_t data; tdata_t base; toff_t size; { /* We don't need to do this. */ } static toff_t tiff_size_of_memory (data) thandle_t data; { return ((tiff_memory_source *) data)->len; } /* Load TIFF image IMG for use on frame F. Value is non-zero if successful. */ static int tiff_load (f, img) struct frame *f; struct image *img; { Lisp_Object file, specified_file; Lisp_Object specified_data; TIFF *tiff; int width, height, x, y; uint32 *buf; int rc; XImage *ximg; struct gcpro gcpro1; tiff_memory_source memsrc; specified_file = image_spec_value (img->spec, QCfile, NULL); specified_data = image_spec_value (img->spec, QCdata, NULL); file = Qnil; GCPRO1 (file); if (NILP (specified_data)) { /* Read from a file */ file = x_find_image_file (specified_file); if (!STRINGP (file)) { image_error ("Cannot find image file `%s'", file, Qnil); UNGCPRO; return 0; } /* Try to open the image file. */ tiff = TIFFOpen (XSTRING (file)->data, "r"); if (tiff == NULL) { image_error ("Cannot open `%s'", file, Qnil); UNGCPRO; return 0; } } else { /* Memory source! */ memsrc.bytes = XSTRING (specified_data)->data; memsrc.len = STRING_BYTES (XSTRING (specified_data)); memsrc.index = 0; tiff = TIFFClientOpen ("memory_source", "r", &memsrc, (TIFFReadWriteProc) tiff_read_from_memory, (TIFFReadWriteProc) tiff_write_from_memory, tiff_seek_in_memory, tiff_close_memory, tiff_size_of_memory, tiff_mmap_memory, tiff_unmap_memory); if (!tiff) { image_error ("Cannot open memory source for `%s'", img->spec, Qnil); UNGCPRO; return 0; } } /* Get width and height of the image, and allocate a raster buffer of width x height 32-bit values. */ TIFFGetField (tiff, TIFFTAG_IMAGEWIDTH, &width); TIFFGetField (tiff, TIFFTAG_IMAGELENGTH, &height); buf = (uint32 *) xmalloc (width * height * sizeof *buf); rc = TIFFReadRGBAImage (tiff, width, height, buf, 0); TIFFClose (tiff); if (!rc) { image_error ("Error reading TIFF image `%s'", img->spec, Qnil); xfree (buf); UNGCPRO; return 0; } BLOCK_INPUT; /* Create the X image and pixmap. */ if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, &img->pixmap)) { UNBLOCK_INPUT; xfree (buf); UNGCPRO; return 0; } /* Initialize the color table. */ init_color_table (); /* Process the pixel raster. Origin is in the lower-left corner. */ for (y = 0; y < height; ++y) { uint32 *row = buf + y * width; for (x = 0; x < width; ++x) { uint32 abgr = row[x]; int r = TIFFGetR (abgr) << 8; int g = TIFFGetG (abgr) << 8; int b = TIFFGetB (abgr) << 8; XPutPixel (ximg, x, height - 1 - y, lookup_rgb_color (f, r, g, b)); } } /* Remember the colors allocated for the image. Free the color table. */ img->colors = colors_in_color_table (&img->ncolors); free_color_table (); /* Put the image into the pixmap, then free the X image and its buffer. */ x_put_x_image (f, ximg, img->pixmap, width, height); x_destroy_x_image (ximg); xfree (buf); UNBLOCK_INPUT; img->width = width; img->height = height; UNGCPRO; return 1; } #endif /* HAVE_TIFF != 0 */ /*********************************************************************** GIF ***********************************************************************/ #if HAVE_GIF #include static int gif_image_p P_ ((Lisp_Object object)); static int gif_load P_ ((struct frame *f, struct image *img)); /* The symbol `gif' identifying images of this type. */ Lisp_Object Qgif; /* Indices of image specification fields in gif_format, below. */ enum gif_keyword_index { GIF_TYPE, GIF_DATA, GIF_FILE, GIF_ASCENT, GIF_MARGIN, GIF_RELIEF, GIF_ALGORITHM, GIF_HEURISTIC_MASK, GIF_IMAGE, GIF_LAST }; /* Vector of image_keyword structures describing the format of valid user-defined image specifications. */ static struct image_keyword gif_format[GIF_LAST] = { {":type", IMAGE_SYMBOL_VALUE, 1}, {":data", IMAGE_STRING_VALUE, 0}, {":file", IMAGE_STRING_VALUE, 0}, {":ascent", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0}, {":margin", IMAGE_POSITIVE_INTEGER_VALUE, 0}, {":relief", IMAGE_INTEGER_VALUE, 0}, {":algorithm", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, {":image", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0} }; /* Structure describing the image type `gif'. */ static struct image_type gif_type = { &Qgif, gif_image_p, gif_load, x_clear_image, NULL }; /* Return non-zero if OBJECT is a valid GIF image specification. */ static int gif_image_p (object) Lisp_Object object; { struct image_keyword fmt[GIF_LAST]; bcopy (gif_format, fmt, sizeof fmt); if (!parse_image_spec (object, fmt, GIF_LAST, Qgif) || (fmt[GIF_ASCENT].count && XFASTINT (fmt[GIF_ASCENT].value) > 100)) return 0; /* Must specify either the :data or :file keyword. */ return fmt[GIF_FILE].count + fmt[GIF_DATA].count == 1; } /* Reading a GIF image from memory Based on the PNG memory stuff to a certain extent. */ typedef struct { unsigned char *bytes; size_t len; int index; } gif_memory_source; /* Make the current memory source available to gif_read_from_memory. It's done this way because not all versions of libungif support a UserData field in the GifFileType structure. */ static gif_memory_source *current_gif_memory_src; static int gif_read_from_memory (file, buf, len) GifFileType *file; GifByteType *buf; int len; { gif_memory_source *src = current_gif_memory_src; if (len > src->len - src->index) return -1; bcopy (src->bytes + src->index, buf, len); src->index += len; return len; } /* Load GIF image IMG for use on frame F. Value is non-zero if successful. */ static int gif_load (f, img) struct frame *f; struct image *img; { Lisp_Object file, specified_file; Lisp_Object specified_data; int rc, width, height, x, y, i; XImage *ximg; ColorMapObject *gif_color_map; unsigned long pixel_colors[256]; GifFileType *gif; struct gcpro gcpro1; Lisp_Object image; int ino, image_left, image_top, image_width, image_height; gif_memory_source memsrc; unsigned char *raster; specified_file = image_spec_value (img->spec, QCfile, NULL); specified_data = image_spec_value (img->spec, QCdata, NULL); file = Qnil; GCPRO1 (file); if (NILP (specified_data)) { file = x_find_image_file (specified_file); if (!STRINGP (file)) { image_error ("Cannot find image file `%s'", specified_file, Qnil); UNGCPRO; return 0; } /* Open the GIF file. */ gif = DGifOpenFileName (XSTRING (file)->data); if (gif == NULL) { image_error ("Cannot open `%s'", file, Qnil); UNGCPRO; return 0; } } else { /* Read from memory! */ current_gif_memory_src = &memsrc; memsrc.bytes = XSTRING (specified_data)->data; memsrc.len = STRING_BYTES (XSTRING (specified_data)); memsrc.index = 0; gif = DGifOpen(&memsrc, gif_read_from_memory); if (!gif) { image_error ("Cannot open memory source `%s'", img->spec, Qnil); UNGCPRO; return 0; } } /* Read entire contents. */ rc = DGifSlurp (gif); if (rc == GIF_ERROR) { image_error ("Error reading `%s'", img->spec, Qnil); DGifCloseFile (gif); UNGCPRO; return 0; } image = image_spec_value (img->spec, QCindex, NULL); ino = INTEGERP (image) ? XFASTINT (image) : 0; if (ino >= gif->ImageCount) { image_error ("Invalid image number `%s' in image `%s'", image, img->spec); DGifCloseFile (gif); UNGCPRO; return 0; } width = img->width = gif->SWidth; height = img->height = gif->SHeight; BLOCK_INPUT; /* Create the X image and pixmap. */ if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, &img->pixmap)) { UNBLOCK_INPUT; DGifCloseFile (gif); UNGCPRO; return 0; } /* Allocate colors. */ gif_color_map = gif->SavedImages[ino].ImageDesc.ColorMap; if (!gif_color_map) gif_color_map = gif->SColorMap; init_color_table (); bzero (pixel_colors, sizeof pixel_colors); for (i = 0; i < gif_color_map->ColorCount; ++i) { int r = gif_color_map->Colors[i].Red << 8; int g = gif_color_map->Colors[i].Green << 8; int b = gif_color_map->Colors[i].Blue << 8; pixel_colors[i] = lookup_rgb_color (f, r, g, b); } img->colors = colors_in_color_table (&img->ncolors); free_color_table (); /* Clear the part of the screen image that are not covered by the image from the GIF file. Full animated GIF support requires more than can be done here (see the gif89 spec, disposal methods). Let's simply assume that the part not covered by a sub-image is in the frame's background color. */ image_top = gif->SavedImages[ino].ImageDesc.Top; image_left = gif->SavedImages[ino].ImageDesc.Left; image_width = gif->SavedImages[ino].ImageDesc.Width; image_height = gif->SavedImages[ino].ImageDesc.Height; for (y = 0; y < image_top; ++y) for (x = 0; x < width; ++x) XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f)); for (y = image_top + image_height; y < height; ++y) for (x = 0; x < width; ++x) XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f)); for (y = image_top; y < image_top + image_height; ++y) { for (x = 0; x < image_left; ++x) XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f)); for (x = image_left + image_width; x < width; ++x) XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f)); } /* Read the GIF image into the X image. We use a local variable `raster' here because RasterBits below is a char *, and invites problems with bytes >= 0x80. */ raster = (unsigned char *) gif->SavedImages[ino].RasterBits; if (gif->SavedImages[ino].ImageDesc.Interlace) { static int interlace_start[] = {0, 4, 2, 1}; static int interlace_increment[] = {8, 8, 4, 2}; int pass, inc; int row = interlace_start[0]; pass = 0; for (y = 0; y < image_height; y++) { if (row >= image_height) { row = interlace_start[++pass]; while (row >= image_height) row = interlace_start[++pass]; } for (x = 0; x < image_width; x++) { int i = raster[(y * image_width) + x]; XPutPixel (ximg, x + image_left, row + image_top, pixel_colors[i]); } row += interlace_increment[pass]; } } else { for (y = 0; y < image_height; ++y) for (x = 0; x < image_width; ++x) { int i = raster[y* image_width + x]; XPutPixel (ximg, x + image_left, y + image_top, pixel_colors[i]); } } DGifCloseFile (gif); /* Put the image into the pixmap, then free the X image and its buffer. */ x_put_x_image (f, ximg, img->pixmap, width, height); x_destroy_x_image (ximg); UNBLOCK_INPUT; UNGCPRO; return 1; } #endif /* HAVE_GIF != 0 */ /*********************************************************************** Ghostscript ***********************************************************************/ #ifdef HAVE_GHOSTSCRIPT static int gs_image_p P_ ((Lisp_Object object)); static int gs_load P_ ((struct frame *f, struct image *img)); static void gs_clear_image P_ ((struct frame *f, struct image *img)); /* The symbol `postscript' identifying images of this type. */ Lisp_Object Qpostscript; /* Keyword symbols. */ Lisp_Object QCloader, QCbounding_box, QCpt_width, QCpt_height; /* Indices of image specification fields in gs_format, below. */ enum gs_keyword_index { GS_TYPE, GS_PT_WIDTH, GS_PT_HEIGHT, GS_FILE, GS_LOADER, GS_BOUNDING_BOX, GS_ASCENT, GS_MARGIN, GS_RELIEF, GS_ALGORITHM, GS_HEURISTIC_MASK, GS_LAST }; /* Vector of image_keyword structures describing the format of valid user-defined image specifications. */ static struct image_keyword gs_format[GS_LAST] = { {":type", IMAGE_SYMBOL_VALUE, 1}, {":pt-width", IMAGE_POSITIVE_INTEGER_VALUE, 1}, {":pt-height", IMAGE_POSITIVE_INTEGER_VALUE, 1}, {":file", IMAGE_STRING_VALUE, 1}, {":loader", IMAGE_FUNCTION_VALUE, 0}, {":bounding-box", IMAGE_DONT_CHECK_VALUE_TYPE, 1}, {":ascent", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0}, {":margin", IMAGE_POSITIVE_INTEGER_VALUE, 0}, {":relief", IMAGE_INTEGER_VALUE, 0}, {":algorithm", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0} }; /* Structure describing the image type `ghostscript'. */ static struct image_type gs_type = { &Qpostscript, gs_image_p, gs_load, gs_clear_image, NULL }; /* Free X resources of Ghostscript image IMG which is used on frame F. */ static void gs_clear_image (f, img) struct frame *f; struct image *img; { /* IMG->data.ptr_val may contain a recorded colormap. */ xfree (img->data.ptr_val); x_clear_image (f, img); } /* Return non-zero if OBJECT is a valid Ghostscript image specification. */ static int gs_image_p (object) Lisp_Object object; { struct image_keyword fmt[GS_LAST]; Lisp_Object tem; int i; bcopy (gs_format, fmt, sizeof fmt); if (!parse_image_spec (object, fmt, GS_LAST, Qpostscript) || (fmt[GS_ASCENT].count && XFASTINT (fmt[GS_ASCENT].value) > 100)) return 0; /* Bounding box must be a list or vector containing 4 integers. */ tem = fmt[GS_BOUNDING_BOX].value; if (CONSP (tem)) { for (i = 0; i < 4; ++i, tem = XCDR (tem)) if (!CONSP (tem) || !INTEGERP (XCAR (tem))) return 0; if (!NILP (tem)) return 0; } else if (VECTORP (tem)) { if (XVECTOR (tem)->size != 4) return 0; for (i = 0; i < 4; ++i) if (!INTEGERP (XVECTOR (tem)->contents[i])) return 0; } else return 0; return 1; } /* Load Ghostscript image IMG for use on frame F. Value is non-zero if successful. */ static int gs_load (f, img) struct frame *f; struct image *img; { char buffer[100]; Lisp_Object window_and_pixmap_id = Qnil, loader, pt_height, pt_width; struct gcpro gcpro1, gcpro2; Lisp_Object frame; double in_width, in_height; Lisp_Object pixel_colors = Qnil; /* Compute pixel size of pixmap needed from the given size in the image specification. Sizes in the specification are in pt. 1 pt = 1/72 in, xdpi and ydpi are stored in the frame's X display info. */ pt_width = image_spec_value (img->spec, QCpt_width, NULL); in_width = XFASTINT (pt_width) / 72.0; img->width = in_width * FRAME_W32_DISPLAY_INFO (f)->resx; pt_height = image_spec_value (img->spec, QCpt_height, NULL); in_height = XFASTINT (pt_height) / 72.0; img->height = in_height * FRAME_W32_DISPLAY_INFO (f)->resy; /* Create the pixmap. */ BLOCK_INPUT; xassert (img->pixmap == 0); img->pixmap = XCreatePixmap (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f), img->width, img->height, DefaultDepthOfScreen (FRAME_X_SCREEN (f))); UNBLOCK_INPUT; if (!img->pixmap) { image_error ("Unable to create pixmap for `%s'", img->spec, Qnil); return 0; } /* Call the loader to fill the pixmap. It returns a process object if successful. We do not record_unwind_protect here because other places in redisplay like calling window scroll functions don't either. Let the Lisp loader use `unwind-protect' instead. */ GCPRO2 (window_and_pixmap_id, pixel_colors); sprintf (buffer, "%lu %lu", (unsigned long) FRAME_W32_WINDOW (f), (unsigned long) img->pixmap); window_and_pixmap_id = build_string (buffer); sprintf (buffer, "%lu %lu", FRAME_FOREGROUND_PIXEL (f), FRAME_BACKGROUND_PIXEL (f)); pixel_colors = build_string (buffer); XSETFRAME (frame, f); loader = image_spec_value (img->spec, QCloader, NULL); if (NILP (loader)) loader = intern ("gs-load-image"); img->data.lisp_val = call6 (loader, frame, img->spec, make_number (img->width), make_number (img->height), window_and_pixmap_id, pixel_colors); UNGCPRO; return PROCESSP (img->data.lisp_val); } /* Kill the Ghostscript process that was started to fill PIXMAP on frame F. Called from XTread_socket when receiving an event telling Emacs that Ghostscript has finished drawing. */ void x_kill_gs_process (pixmap, f) Pixmap pixmap; struct frame *f; { struct image_cache *c = FRAME_X_IMAGE_CACHE (f); int class, i; struct image *img; /* Find the image containing PIXMAP. */ for (i = 0; i < c->used; ++i) if (c->images[i]->pixmap == pixmap) break; /* Kill the GS process. We should have found PIXMAP in the image cache and its image should contain a process object. */ xassert (i < c->used); img = c->images[i]; xassert (PROCESSP (img->data.lisp_val)); Fkill_process (img->data.lisp_val, Qnil); img->data.lisp_val = Qnil; /* On displays with a mutable colormap, figure out the colors allocated for the image by looking at the pixels of an XImage for img->pixmap. */ class = FRAME_W32_DISPLAY_INFO (f)->visual->class; if (class != StaticColor && class != StaticGray && class != TrueColor) { XImage *ximg; BLOCK_INPUT; /* Try to get an XImage for img->pixmep. */ ximg = XGetImage (FRAME_W32_DISPLAY (f), img->pixmap, 0, 0, img->width, img->height, ~0, ZPixmap); if (ximg) { int x, y; /* Initialize the color table. */ init_color_table (); /* For each pixel of the image, look its color up in the color table. After having done so, the color table will contain an entry for each color used by the image. */ for (y = 0; y < img->height; ++y) for (x = 0; x < img->width; ++x) { unsigned long pixel = XGetPixel (ximg, x, y); lookup_pixel_color (f, pixel); } /* Record colors in the image. Free color table and XImage. */ img->colors = colors_in_color_table (&img->ncolors); free_color_table (); XDestroyImage (ximg); #if 0 /* This doesn't seem to be the case. If we free the colors here, we get a BadAccess later in x_clear_image when freeing the colors. */ /* We have allocated colors once, but Ghostscript has also allocated colors on behalf of us. So, to get the reference counts right, free them once. */ if (img->ncolors) { Colormap cmap = DefaultColormapOfScreen (FRAME_X_SCREEN (f)); XFreeColors (FRAME_W32_DISPLAY (f), cmap, img->colors, img->ncolors, 0); } #endif } else image_error ("Cannot get X image of `%s'; colors will not be freed", img->spec, Qnil); UNBLOCK_INPUT; } } #endif /* HAVE_GHOSTSCRIPT */ /*********************************************************************** Window properties ***********************************************************************/ DEFUN ("x-change-window-property", Fx_change_window_property, Sx_change_window_property, 2, 3, 0, "Change window property PROP to VALUE on the X window of FRAME.\n\ PROP and VALUE must be strings. FRAME nil or omitted means use the\n\ selected frame. Value is VALUE.") (prop, value, frame) Lisp_Object frame, prop, value; { #if 0 /* NTEMACS_TODO : port window properties to W32 */ struct frame *f = check_x_frame (frame); Atom prop_atom; CHECK_STRING (prop, 1); CHECK_STRING (value, 2); BLOCK_INPUT; prop_atom = XInternAtom (FRAME_W32_DISPLAY (f), XSTRING (prop)->data, False); XChangeProperty (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f), prop_atom, XA_STRING, 8, PropModeReplace, XSTRING (value)->data, XSTRING (value)->size); /* Make sure the property is set when we return. */ XFlush (FRAME_W32_DISPLAY (f)); UNBLOCK_INPUT; #endif /* NTEMACS_TODO */ return value; } DEFUN ("x-delete-window-property", Fx_delete_window_property, Sx_delete_window_property, 1, 2, 0, "Remove window property PROP from X window of FRAME.\n\ FRAME nil or omitted means use the selected frame. Value is PROP.") (prop, frame) Lisp_Object prop, frame; { #if 0 /* NTEMACS_TODO : port window properties to W32 */ struct frame *f = check_x_frame (frame); Atom prop_atom; CHECK_STRING (prop, 1); BLOCK_INPUT; prop_atom = XInternAtom (FRAME_W32_DISPLAY (f), XSTRING (prop)->data, False); XDeleteProperty (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f), prop_atom); /* Make sure the property is removed when we return. */ XFlush (FRAME_W32_DISPLAY (f)); UNBLOCK_INPUT; #endif /* NTEMACS_TODO */ return prop; } DEFUN ("x-window-property", Fx_window_property, Sx_window_property, 1, 2, 0, "Value is the value of window property PROP on FRAME.\n\ If FRAME is nil or omitted, use the selected frame. Value is nil\n\ if FRAME hasn't a property with name PROP or if PROP has no string\n\ value.") (prop, frame) Lisp_Object prop, frame; { #if 0 /* NTEMACS_TODO : port window properties to W32 */ struct frame *f = check_x_frame (frame); Atom prop_atom; int rc; Lisp_Object prop_value = Qnil; char *tmp_data = NULL; Atom actual_type; int actual_format; unsigned long actual_size, bytes_remaining; CHECK_STRING (prop, 1); BLOCK_INPUT; prop_atom = XInternAtom (FRAME_W32_DISPLAY (f), XSTRING (prop)->data, False); rc = XGetWindowProperty (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f), prop_atom, 0, 0, False, XA_STRING, &actual_type, &actual_format, &actual_size, &bytes_remaining, (unsigned char **) &tmp_data); if (rc == Success) { int size = bytes_remaining; XFree (tmp_data); tmp_data = NULL; rc = XGetWindowProperty (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f), prop_atom, 0, bytes_remaining, False, XA_STRING, &actual_type, &actual_format, &actual_size, &bytes_remaining, (unsigned char **) &tmp_data); if (rc == Success) prop_value = make_string (tmp_data, size); XFree (tmp_data); } UNBLOCK_INPUT; return prop_value; #endif /* NTEMACS_TODO */ return Qnil; } /*********************************************************************** Busy cursor ***********************************************************************/ /* If non-null, an asynchronous timer that, when it expires, displays a busy cursor on all frames. */ static struct atimer *busy_cursor_atimer; /* Non-zero means a busy cursor is currently shown. */ static int busy_cursor_shown_p; /* Number of seconds to wait before displaying a busy cursor. */ static Lisp_Object Vbusy_cursor_delay; /* Default number of seconds to wait before displaying a busy cursor. */ #define DEFAULT_BUSY_CURSOR_DELAY 1 /* Function prototypes. */ static void show_busy_cursor P_ ((struct atimer *)); static void hide_busy_cursor P_ ((void)); /* Cancel a currently active busy-cursor timer, and start a new one. */ void start_busy_cursor () { #if 0 /* NTEMACS_TODO: cursor shape changes. */ EMACS_TIME delay; int secs, usecs = 0; cancel_busy_cursor (); if (INTEGERP (Vbusy_cursor_delay) && XINT (Vbusy_cursor_delay) > 0) secs = XFASTINT (Vbusy_cursor_delay); else if (FLOATP (Vbusy_cursor_delay) && XFLOAT_DATA (Vbusy_cursor_delay) > 0) { Lisp_Object tem; tem = Ftruncate (Vbusy_cursor_delay, Qnil); secs = XFASTINT (tem); usecs = (XFLOAT_DATA (Vbusy_cursor_delay) - secs) * 1000000; } else secs = DEFAULT_BUSY_CURSOR_DELAY; EMACS_SET_SECS_USECS (delay, secs, usecs); busy_cursor_atimer = start_atimer (ATIMER_RELATIVE, delay, show_busy_cursor, NULL); #endif } /* Cancel the busy cursor timer if active, hide a busy cursor if shown. */ void cancel_busy_cursor () { if (busy_cursor_atimer) { cancel_atimer (busy_cursor_atimer); busy_cursor_atimer = NULL; } if (busy_cursor_shown_p) hide_busy_cursor (); } /* Timer function of busy_cursor_atimer. TIMER is equal to busy_cursor_atimer. Display a busy cursor on all frames by mapping the frames' busy_window. Set the busy_p flag in the frames' output_data.x structure to indicate that a busy cursor is shown on the frames. */ static void show_busy_cursor (timer) struct atimer *timer; { #if 0 /* NTEMACS_TODO: cursor shape changes. */ /* The timer implementation will cancel this timer automatically after this function has run. Set busy_cursor_atimer to null so that we know the timer doesn't have to be canceled. */ busy_cursor_atimer = NULL; if (!busy_cursor_shown_p) { Lisp_Object rest, frame; BLOCK_INPUT; FOR_EACH_FRAME (rest, frame) if (FRAME_X_P (XFRAME (frame))) { struct frame *f = XFRAME (frame); f->output_data.w32->busy_p = 1; if (!f->output_data.w32->busy_window) { unsigned long mask = CWCursor; XSetWindowAttributes attrs; attrs.cursor = f->output_data.w32->busy_cursor; f->output_data.w32->busy_window = XCreateWindow (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f), 0, 0, 32000, 32000, 0, 0, InputOnly, CopyFromParent, mask, &attrs); } XMapRaised (FRAME_X_DISPLAY (f), f->output_data.w32->busy_window); XFlush (FRAME_X_DISPLAY (f)); } busy_cursor_shown_p = 1; UNBLOCK_INPUT; } #endif } /* Hide the busy cursor on all frames, if it is currently shown. */ static void hide_busy_cursor () { #if 0 /* NTEMACS_TODO: cursor shape changes. */ if (busy_cursor_shown_p) { Lisp_Object rest, frame; BLOCK_INPUT; FOR_EACH_FRAME (rest, frame) { struct frame *f = XFRAME (frame); if (FRAME_X_P (f) /* Watch out for newly created frames. */ && f->output_data.x->busy_window) { XUnmapWindow (FRAME_X_DISPLAY (f), f->output_data.x->busy_window); /* Sync here because XTread_socket looks at the busy_p flag that is reset to zero below. */ XSync (FRAME_X_DISPLAY (f), False); f->output_data.x->busy_p = 0; } } busy_cursor_shown_p = 0; UNBLOCK_INPUT; } #endif } /*********************************************************************** Tool tips ***********************************************************************/ static Lisp_Object x_create_tip_frame P_ ((struct w32_display_info *, Lisp_Object)); /* The frame of a currently visible tooltip, or null. */ struct frame *tip_frame; /* If non-nil, a timer started that hides the last tooltip when it fires. */ Lisp_Object tip_timer; Window tip_window; /* Create a frame for a tooltip on the display described by DPYINFO. PARMS is a list of frame parameters. Value is the frame. */ static Lisp_Object x_create_tip_frame (dpyinfo, parms) struct w32_display_info *dpyinfo; Lisp_Object parms; { #if 0 /* NTEMACS_TODO : w32 version */ struct frame *f; Lisp_Object frame, tem; Lisp_Object name; long window_prompting = 0; int width, height; int count = specpdl_ptr - specpdl; struct gcpro gcpro1, gcpro2, gcpro3; struct kboard *kb; check_x (); /* Use this general default value to start with until we know if this frame has a specified name. */ Vx_resource_name = Vinvocation_name; #ifdef MULTI_KBOARD kb = dpyinfo->kboard; #else kb = &the_only_kboard; #endif /* Get the name of the frame to use for resource lookup. */ name = w32_get_arg (parms, Qname, "name", "Name", RES_TYPE_STRING); if (!STRINGP (name) && !EQ (name, Qunbound) && !NILP (name)) error ("Invalid frame name--not a string or nil"); Vx_resource_name = name; frame = Qnil; GCPRO3 (parms, name, frame); tip_frame = f = make_frame (1); XSETFRAME (frame, f); FRAME_CAN_HAVE_SCROLL_BARS (f) = 0; f->output_method = output_w32; f->output_data.w32 = (struct w32_output *) xmalloc (sizeof (struct w32_output)); bzero (f->output_data.w32, sizeof (struct w32_output)); #if 0 f->output_data.w32->icon_bitmap = -1; #endif f->output_data.w32->fontset = -1; f->icon_name = Qnil; #ifdef MULTI_KBOARD FRAME_KBOARD (f) = kb; #endif f->output_data.w32->parent_desc = FRAME_W32_DISPLAY_INFO (f)->root_window; f->output_data.w32->explicit_parent = 0; /* Set the name; the functions to which we pass f expect the name to be set. */ if (EQ (name, Qunbound) || NILP (name)) { f->name = build_string (dpyinfo->x_id_name); f->explicit_name = 0; } else { f->name = name; f->explicit_name = 1; /* use the frame's title when getting resources for this frame. */ specbind (Qx_resource_name, name); } /* Extract the window parameters from the supplied values that are needed to determine window geometry. */ { Lisp_Object font; font = w32_get_arg (parms, Qfont, "font", "Font", RES_TYPE_STRING); BLOCK_INPUT; /* First, try whatever font the caller has specified. */ if (STRINGP (font)) { tem = Fquery_fontset (font, Qnil); if (STRINGP (tem)) font = x_new_fontset (f, XSTRING (tem)->data); else font = x_new_font (f, XSTRING (font)->data); } /* Try out a font which we hope has bold and italic variations. */ if (!STRINGP (font)) font = x_new_font (f, "-*-courier new-normal-r-*-*-*-100-*-*-*-*-iso8859-1"); if (!STRINGP (font)) font = x_new_font (f, "-misc-fixed-medium-r-normal-*-*-140-*-*-c-*-iso8859-1"); if (! STRINGP (font)) font = x_new_font (f, "-*-*-medium-r-normal-*-*-140-*-*-c-*-iso8859-1"); if (! STRINGP (font)) /* This was formerly the first thing tried, but it finds too many fonts and takes too long. */ font = x_new_font (f, "-*-*-medium-r-*-*-*-*-*-*-c-*-iso8859-1"); /* If those didn't work, look for something which will at least work. */ if (! STRINGP (font)) font = x_new_font (f, "-*-fixed-*-*-*-*-*-140-*-*-c-*-iso8859-1"); UNBLOCK_INPUT; if (! STRINGP (font)) font = build_string ("fixed"); x_default_parameter (f, parms, Qfont, font, "font", "Font", RES_TYPE_STRING); } x_default_parameter (f, parms, Qborder_width, make_number (2), "borderWidth", "BorderWidth", RES_TYPE_NUMBER); /* This defaults to 2 in order to match xterm. We recognize either internalBorderWidth or internalBorder (which is what xterm calls it). */ if (NILP (Fassq (Qinternal_border_width, parms))) { Lisp_Object value; value = w32_get_arg (parms, Qinternal_border_width, "internalBorder", "internalBorder", RES_TYPE_NUMBER); if (! EQ (value, Qunbound)) parms = Fcons (Fcons (Qinternal_border_width, value), parms); } x_default_parameter (f, parms, Qinternal_border_width, make_number (1), "internalBorderWidth", "internalBorderWidth", RES_TYPE_NUMBER); /* Also do the stuff which must be set before the window exists. */ x_default_parameter (f, parms, Qforeground_color, build_string ("black"), "foreground", "Foreground", RES_TYPE_STRING); x_default_parameter (f, parms, Qbackground_color, build_string ("white"), "background", "Background", RES_TYPE_STRING); x_default_parameter (f, parms, Qmouse_color, build_string ("black"), "pointerColor", "Foreground", RES_TYPE_STRING); x_default_parameter (f, parms, Qcursor_color, build_string ("black"), "cursorColor", "Foreground", RES_TYPE_STRING); x_default_parameter (f, parms, Qborder_color, build_string ("black"), "borderColor", "BorderColor", RES_TYPE_STRING); /* Init faces before x_default_parameter is called for scroll-bar parameters because that function calls x_set_scroll_bar_width, which calls change_frame_size, which calls Fset_window_buffer, which runs hooks, which call Fvertical_motion. At the end, we end up in init_iterator with a null face cache, which should not happen. */ init_frame_faces (f); f->output_data.w32->parent_desc = FRAME_W32_DISPLAY_INFO (f)->root_window; window_prompting = x_figure_window_size (f, parms); if (window_prompting & XNegative) { if (window_prompting & YNegative) f->output_data.w32->win_gravity = SouthEastGravity; else f->output_data.w32->win_gravity = NorthEastGravity; } else { if (window_prompting & YNegative) f->output_data.w32->win_gravity = SouthWestGravity; else f->output_data.w32->win_gravity = NorthWestGravity; } f->output_data.w32->size_hint_flags = window_prompting; { XSetWindowAttributes attrs; unsigned long mask; BLOCK_INPUT; mask = CWBackPixel | CWOverrideRedirect | CWSaveUnder | CWEventMask; /* Window managers looks at the override-redirect flag to determine whether or net to give windows a decoration (Xlib 3.2.8). */ attrs.override_redirect = True; attrs.save_under = True; attrs.background_pixel = FRAME_BACKGROUND_PIXEL (f); /* Arrange for getting MapNotify and UnmapNotify events. */ attrs.event_mask = StructureNotifyMask; tip_window = FRAME_W32_WINDOW (f) = XCreateWindow (FRAME_W32_DISPLAY (f), FRAME_W32_DISPLAY_INFO (f)->root_window, /* x, y, width, height */ 0, 0, 1, 1, /* Border. */ 1, CopyFromParent, InputOutput, CopyFromParent, mask, &attrs); UNBLOCK_INPUT; } x_make_gc (f); x_default_parameter (f, parms, Qauto_raise, Qnil, "autoRaise", "AutoRaiseLower", RES_TYPE_BOOLEAN); x_default_parameter (f, parms, Qauto_lower, Qnil, "autoLower", "AutoRaiseLower", RES_TYPE_BOOLEAN); x_default_parameter (f, parms, Qcursor_type, Qbox, "cursorType", "CursorType", RES_TYPE_SYMBOL); /* Dimensions, especially f->height, must be done via change_frame_size. Change will not be effected unless different from the current f->height. */ width = f->width; height = f->height; f->height = 0; SET_FRAME_WIDTH (f, 0); change_frame_size (f, height, width, 1, 0, 0); f->no_split = 1; UNGCPRO; /* It is now ok to make the frame official even if we get an error below. And the frame needs to be on Vframe_list or making it visible won't work. */ Vframe_list = Fcons (frame, Vframe_list); /* Now that the frame is official, it counts as a reference to its display. */ FRAME_W32_DISPLAY_INFO (f)->reference_count++; return unbind_to (count, frame); #endif /* NTEMACS_TODO */ return Qnil; } DEFUN ("x-show-tip", Fx_show_tip, Sx_show_tip, 1, 6, 0, "Show STRING in a \"tooltip\" window on frame FRAME.\n\ A tooltip window is a small X window displaying a string.\n\ \n\ FRAME nil or omitted means use the selected frame.\n\ \n\ PARMS is an optional list of frame parameters which can be\n\ used to change the tooltip's appearance.\n\ \n\ Automatically hide the tooltip after TIMEOUT seconds.\n\ TIMEOUT nil means use the default timeout of 5 seconds.\n\ \n\ If the list of frame parameters PARAMS contains a `left' parameters,\n\ the tooltip is displayed at that x-position. Otherwise it is\n\ displayed at the mouse position, with offset DX added (default is 5 if\n\ DX isn't specified). Likewise for the y-position; if a `top' frame\n\ parameter is specified, it determines the y-position of the tooltip\n\ window, otherwise it is displayed at the mouse position, with offset\n\ DY added (default is -5).") (string, frame, parms, timeout, dx, dy) Lisp_Object string, frame, parms, timeout, dx, dy; { struct frame *f; struct window *w; Window root, child; Lisp_Object buffer, top, left; struct buffer *old_buffer; struct text_pos pos; int i, width, height; int root_x, root_y, win_x, win_y; unsigned pmask; struct gcpro gcpro1, gcpro2, gcpro3, gcpro4; int old_windows_or_buffers_changed = windows_or_buffers_changed; int count = specpdl_ptr - specpdl; specbind (Qinhibit_redisplay, Qt); GCPRO4 (string, parms, frame, timeout); CHECK_STRING (string, 0); f = check_x_frame (frame); if (NILP (timeout)) timeout = make_number (5); else CHECK_NATNUM (timeout, 2); if (NILP (dx)) dx = make_number (5); else CHECK_NUMBER (dx, 5); if (NILP (dy)) dy = make_number (-5); else CHECK_NUMBER (dy, 6); /* Hide a previous tip, if any. */ Fx_hide_tip (); /* Add default values to frame parameters. */ if (NILP (Fassq (Qname, parms))) parms = Fcons (Fcons (Qname, build_string ("tooltip")), parms); if (NILP (Fassq (Qinternal_border_width, parms))) parms = Fcons (Fcons (Qinternal_border_width, make_number (3)), parms); if (NILP (Fassq (Qborder_width, parms))) parms = Fcons (Fcons (Qborder_width, make_number (1)), parms); if (NILP (Fassq (Qborder_color, parms))) parms = Fcons (Fcons (Qborder_color, build_string ("lightyellow")), parms); if (NILP (Fassq (Qbackground_color, parms))) parms = Fcons (Fcons (Qbackground_color, build_string ("lightyellow")), parms); /* Create a frame for the tooltip, and record it in the global variable tip_frame. */ frame = x_create_tip_frame (FRAME_W32_DISPLAY_INFO (f), parms); tip_frame = f = XFRAME (frame); /* Set up the frame's root window. Currently we use a size of 80 columns x 40 lines. If someone wants to show a larger tip, he will loose. I don't think this is a realistic case. */ w = XWINDOW (FRAME_ROOT_WINDOW (f)); w->left = w->top = make_number (0); w->width = 80; w->height = 40; adjust_glyphs (f); w->pseudo_window_p = 1; /* Display the tooltip text in a temporary buffer. */ buffer = Fget_buffer_create (build_string (" *tip*")); Fset_window_buffer (FRAME_ROOT_WINDOW (f), buffer); old_buffer = current_buffer; set_buffer_internal_1 (XBUFFER (buffer)); Ferase_buffer (); Finsert (make_number (1), &string); clear_glyph_matrix (w->desired_matrix); clear_glyph_matrix (w->current_matrix); SET_TEXT_POS (pos, BEGV, BEGV_BYTE); try_window (FRAME_ROOT_WINDOW (f), pos); /* Compute width and height of the tooltip. */ width = height = 0; for (i = 0; i < w->desired_matrix->nrows; ++i) { struct glyph_row *row = &w->desired_matrix->rows[i]; struct glyph *last; int row_width; /* Stop at the first empty row at the end. */ if (!row->enabled_p || !row->displays_text_p) break; /* Let the row go over the full width of the frame. */ row->full_width_p = 1; /* There's a glyph at the end of rows that is use to place the cursor there. Don't include the width of this glyph. */ if (row->used[TEXT_AREA]) { last = &row->glyphs[TEXT_AREA][row->used[TEXT_AREA] - 1]; row_width = row->pixel_width - last->pixel_width; } else row_width = row->pixel_width; height += row->height; width = max (width, row_width); } /* Add the frame's internal border to the width and height the X window should have. */ height += 2 * FRAME_INTERNAL_BORDER_WIDTH (f); width += 2 * FRAME_INTERNAL_BORDER_WIDTH (f); /* User-specified position? */ left = Fcdr (Fassq (Qleft, parms)); top = Fcdr (Fassq (Qtop, parms)); /* Move the tooltip window where the mouse pointer is. Resize and show it. */ #if 0 /* NTEMACS_TODO : W32 specifics */ BLOCK_INPUT; XQueryPointer (FRAME_X_DISPLAY (f), FRAME_X_DISPLAY_INFO (f)->root_window, &root, &child, &root_x, &root_y, &win_x, &win_y, &pmask); UNBLOCK_INPUT; root_x += XINT (dx); root_y += XINT (dy); if (INTEGERP (left)) root_x = XINT (left); if (INTEGERP (top)) root_y = XINT (top); BLOCK_INPUT; XMoveResizeWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), root_x, root_y - height, width, height); XMapRaised (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); UNBLOCK_INPUT; #endif /* NTEMACS_TODO */ /* Draw into the window. */ w->must_be_updated_p = 1; update_single_window (w, 1); /* Restore original current buffer. */ set_buffer_internal_1 (old_buffer); windows_or_buffers_changed = old_windows_or_buffers_changed; /* Let the tip disappear after timeout seconds. */ tip_timer = call3 (intern ("run-at-time"), timeout, Qnil, intern ("x-hide-tip")); UNGCPRO; return unbind_to (count, Qnil); } DEFUN ("x-hide-tip", Fx_hide_tip, Sx_hide_tip, 0, 0, 0, "Hide the current tooltip window, if there is any.\n\ Value is t is tooltip was open, nil otherwise.") () { int count = specpdl_ptr - specpdl; int deleted_p = 0; specbind (Qinhibit_redisplay, Qt); if (!NILP (tip_timer)) { call1 (intern ("cancel-timer"), tip_timer); tip_timer = Qnil; } if (tip_frame) { Lisp_Object frame; XSETFRAME (frame, tip_frame); Fdelete_frame (frame, Qt); tip_frame = NULL; deleted_p = 1; } return unbind_to (count, deleted_p ? Qt : Qnil); } /*********************************************************************** File selection dialog ***********************************************************************/ extern Lisp_Object Qfile_name_history; DEFUN ("x-file-dialog", Fx_file_dialog, Sx_file_dialog, 2, 4, 0, "Read file name, prompting with PROMPT in directory DIR.\n\ Use a file selection dialog.\n\ Select DEFAULT-FILENAME in the dialog's file selection box, if\n\ specified. Don't let the user enter a file name in the file\n\ selection dialog's entry field, if MUSTMATCH is non-nil.") (prompt, dir, default_filename, mustmatch) Lisp_Object prompt, dir, default_filename, mustmatch; { struct frame *f = SELECTED_FRAME (); Lisp_Object file = Qnil; int count = specpdl_ptr - specpdl; struct gcpro gcpro1, gcpro2, gcpro3, gcpro4, gcpro5; char filename[MAX_PATH + 1]; char init_dir[MAX_PATH + 1]; int use_dialog_p = 1; GCPRO5 (prompt, dir, default_filename, mustmatch, file); CHECK_STRING (prompt, 0); CHECK_STRING (dir, 1); /* Create the dialog with PROMPT as title, using DIR as initial directory and using "*" as pattern. */ dir = Fexpand_file_name (dir, Qnil); strncpy (init_dir, XSTRING (dir)->data, MAX_PATH); init_dir[MAX_PATH] = '\0'; unixtodos_filename (init_dir); if (STRINGP (default_filename)) { char *file_name_only; char *full_path_name = XSTRING (default_filename)->data; unixtodos_filename (full_path_name); file_name_only = strrchr (full_path_name, '\\'); if (!file_name_only) file_name_only = full_path_name; else { file_name_only++; /* If default_file_name is a directory, don't use the open file dialog, as it does not support selecting directories. */ if (!(*file_name_only)) use_dialog_p = 0; } strncpy (filename, file_name_only, MAX_PATH); filename[MAX_PATH] = '\0'; } else filename[0] = '\0'; if (use_dialog_p) { OPENFILENAME file_details; char *filename_file; /* Prevent redisplay. */ specbind (Qinhibit_redisplay, Qt); BLOCK_INPUT; bzero (&file_details, sizeof (file_details)); file_details.lStructSize = sizeof (file_details); file_details.hwndOwner = FRAME_W32_WINDOW (f); file_details.lpstrFile = filename; file_details.nMaxFile = sizeof (filename); file_details.lpstrInitialDir = init_dir; file_details.lpstrTitle = XSTRING (prompt)->data; file_details.Flags = OFN_HIDEREADONLY | OFN_NOCHANGEDIR; if (!NILP (mustmatch)) file_details.Flags |= OFN_FILEMUSTEXIST | OFN_PATHMUSTEXIST; if (GetOpenFileName (&file_details)) { dostounix_filename (filename); file = build_string (filename); } else file = Qnil; UNBLOCK_INPUT; file = unbind_to (count, file); } /* Open File dialog will not allow folders to be selected, so resort to minibuffer completing reads for directories. */ else file = Fcompleting_read (prompt, intern ("read-file-name-internal"), dir, mustmatch, dir, Qfile_name_history, default_filename, Qnil); UNGCPRO; /* Make "Cancel" equivalent to C-g. */ if (NILP (file)) Fsignal (Qquit, Qnil); return unbind_to (count, file); } /*********************************************************************** Tests ***********************************************************************/ #if GLYPH_DEBUG DEFUN ("imagep", Fimagep, Simagep, 1, 1, 0, "Value is non-nil if SPEC is a valid image specification.") (spec) Lisp_Object spec; { return valid_image_p (spec) ? Qt : Qnil; } DEFUN ("lookup-image", Flookup_image, Slookup_image, 1, 1, 0, "") (spec) Lisp_Object spec; { int id = -1; if (valid_image_p (spec)) id = lookup_image (SELECTED_FRAME (), spec); debug_print (spec); return make_number (id); } #endif /* GLYPH_DEBUG != 0 */ /*********************************************************************** w32 specialized functions ***********************************************************************/ DEFUN ("w32-select-font", Fw32_select_font, Sw32_select_font, 0, 1, 0, "This will display the W32 font dialog and return an X font string corresponding to the selection.") (frame) Lisp_Object frame; { FRAME_PTR f = check_x_frame (frame); CHOOSEFONT cf; LOGFONT lf; TEXTMETRIC tm; HDC hdc; HANDLE oldobj; char buf[100]; bzero (&cf, sizeof (cf)); bzero (&lf, sizeof (lf)); cf.lStructSize = sizeof (cf); cf.hwndOwner = FRAME_W32_WINDOW (f); cf.Flags = CF_FORCEFONTEXIST | CF_SCREENFONTS; cf.lpLogFont = &lf; /* Initialize as much of the font details as we can from the current default font. */ hdc = GetDC (FRAME_W32_WINDOW (f)); oldobj = SelectObject (hdc, FRAME_FONT (f)->hfont); GetTextFace (hdc, LF_FACESIZE, lf.lfFaceName); if (GetTextMetrics (hdc, &tm)) { lf.lfHeight = tm.tmInternalLeading - tm.tmHeight; lf.lfWeight = tm.tmWeight; lf.lfItalic = tm.tmItalic; lf.lfUnderline = tm.tmUnderlined; lf.lfStrikeOut = tm.tmStruckOut; lf.lfCharSet = tm.tmCharSet; cf.Flags |= CF_INITTOLOGFONTSTRUCT; } SelectObject (hdc, oldobj); ReleaseDC (FRAME_W32_WINDOW (f), hdc); if (!ChooseFont (&cf) || !w32_to_x_font (&lf, buf, 100)) return Qnil; return build_string (buf); } DEFUN ("w32-send-sys-command", Fw32_send_sys_command, Sw32_send_sys_command, 1, 2, 0, "Send frame a Windows WM_SYSCOMMAND message of type COMMAND.\n\ Some useful values for command are 0xf030 to maximise frame (0xf020\n\ to minimize), 0xf120 to restore frame to original size, and 0xf100\n\ to activate the menubar for keyboard access. 0xf140 activates the\n\ screen saver if defined.\n\ \n\ If optional parameter FRAME is not specified, use selected frame.") (command, frame) Lisp_Object command, frame; { WPARAM code; FRAME_PTR f = check_x_frame (frame); CHECK_NUMBER (command, 0); PostMessage (FRAME_W32_WINDOW (f), WM_SYSCOMMAND, XINT (command), 0); return Qnil; } DEFUN ("w32-shell-execute", Fw32_shell_execute, Sw32_shell_execute, 2, 4, 0, "Get Windows to perform OPERATION on DOCUMENT.\n\ This is a wrapper around the ShellExecute system function, which\n\ invokes the application registered to handle OPERATION for DOCUMENT.\n\ OPERATION is typically \"open\", \"print\" or \"explore\" (but can be\n\ nil for the default action), and DOCUMENT is typically the name of a\n\ document file or URL, but can also be a program executable to run or\n\ a directory to open in the Windows Explorer.\n\ \n\ If DOCUMENT is a program executable, PARAMETERS can be a string\n\ containing command line parameters, but otherwise should be nil.\n\ \n\ SHOW-FLAG can be used to control whether the invoked application is hidden\n\ or minimized. If SHOW-FLAG is nil, the application is displayed normally,\n\ otherwise it is an integer representing a ShowWindow flag:\n\ \n\ 0 - start hidden\n\ 1 - start normally\n\ 3 - start maximized\n\ 6 - start minimized") (operation, document, parameters, show_flag) Lisp_Object operation, document, parameters, show_flag; { Lisp_Object current_dir; CHECK_STRING (document, 0); /* Encode filename and current directory. */ current_dir = ENCODE_FILE (current_buffer->directory); document = ENCODE_FILE (document); if ((int) ShellExecute (NULL, (STRINGP (operation) ? XSTRING (operation)->data : NULL), XSTRING (document)->data, (STRINGP (parameters) ? XSTRING (parameters)->data : NULL), XSTRING (current_dir)->data, (INTEGERP (show_flag) ? XINT (show_flag) : SW_SHOWDEFAULT)) > 32) return Qt; error ("ShellExecute failed"); } /* Lookup virtual keycode from string representing the name of a non-ascii keystroke into the corresponding virtual key, using lispy_function_keys. */ static int lookup_vk_code (char *key) { int i; for (i = 0; i < 256; i++) if (lispy_function_keys[i] != 0 && strcmp (lispy_function_keys[i], key) == 0) return i; return -1; } /* Convert a one-element vector style key sequence to a hot key definition. */ static int w32_parse_hot_key (key) Lisp_Object key; { /* Copied from Fdefine_key and store_in_keymap. */ register Lisp_Object c; int vk_code; int lisp_modifiers; int w32_modifiers; struct gcpro gcpro1; CHECK_VECTOR (key, 0); if (XFASTINT (Flength (key)) != 1) return Qnil; GCPRO1 (key); c = Faref (key, make_number (0)); if (CONSP (c) && lucid_event_type_list_p (c)) c = Fevent_convert_list (c); UNGCPRO; if (! INTEGERP (c) && ! SYMBOLP (c)) error ("Key definition is invalid"); /* Work out the base key and the modifiers. */ if (SYMBOLP (c)) { c = parse_modifiers (c); lisp_modifiers = Fcar (Fcdr (c)); c = Fcar (c); if (!SYMBOLP (c)) abort (); vk_code = lookup_vk_code (XSYMBOL (c)->name->data); } else if (INTEGERP (c)) { lisp_modifiers = XINT (c) & ~CHARACTERBITS; /* Many ascii characters are their own virtual key code. */ vk_code = XINT (c) & CHARACTERBITS; } if (vk_code < 0 || vk_code > 255) return Qnil; if ((lisp_modifiers & meta_modifier) != 0 && !NILP (Vw32_alt_is_meta)) lisp_modifiers |= alt_modifier; /* Supply defs missing from mingw32. */ #ifndef MOD_ALT #define MOD_ALT 0x0001 #define MOD_CONTROL 0x0002 #define MOD_SHIFT 0x0004 #define MOD_WIN 0x0008 #endif /* Convert lisp modifiers to Windows hot-key form. */ w32_modifiers = (lisp_modifiers & hyper_modifier) ? MOD_WIN : 0; w32_modifiers |= (lisp_modifiers & alt_modifier) ? MOD_ALT : 0; w32_modifiers |= (lisp_modifiers & ctrl_modifier) ? MOD_CONTROL : 0; w32_modifiers |= (lisp_modifiers & shift_modifier) ? MOD_SHIFT : 0; return HOTKEY (vk_code, w32_modifiers); } DEFUN ("w32-register-hot-key", Fw32_register_hot_key, Sw32_register_hot_key, 1, 1, 0, "Register KEY as a hot-key combination.\n\ Certain key combinations like Alt-Tab are reserved for system use on\n\ Windows, and therefore are normally intercepted by the system. However,\n\ most of these key combinations can be received by registering them as\n\ hot-keys, overriding their special meaning.\n\ \n\ KEY must be a one element key definition in vector form that would be\n\ acceptable to `define-key' (e.g. [A-tab] for Alt-Tab). The meta\n\ modifier is interpreted as Alt if `w32-alt-is-meta' is t, and hyper\n\ is always interpreted as the Windows modifier keys.\n\ \n\ The return value is the hotkey-id if registered, otherwise nil.") (key) Lisp_Object key; { key = w32_parse_hot_key (key); if (NILP (Fmemq (key, w32_grabbed_keys))) { /* Reuse an empty slot if possible. */ Lisp_Object item = Fmemq (Qnil, w32_grabbed_keys); /* Safe to add new key to list, even if we have focus. */ if (NILP (item)) w32_grabbed_keys = Fcons (key, w32_grabbed_keys); else XCAR (item) = key; /* Notify input thread about new hot-key definition, so that it takes effect without needing to switch focus. */ PostThreadMessage (dwWindowsThreadId, WM_EMACS_REGISTER_HOT_KEY, (WPARAM) key, 0); } return key; } DEFUN ("w32-unregister-hot-key", Fw32_unregister_hot_key, Sw32_unregister_hot_key, 1, 1, 0, "Unregister HOTKEY as a hot-key combination.") (key) Lisp_Object key; { Lisp_Object item; if (!INTEGERP (key)) key = w32_parse_hot_key (key); item = Fmemq (key, w32_grabbed_keys); if (!NILP (item)) { /* Notify input thread about hot-key definition being removed, so that it takes effect without needing focus switch. */ if (PostThreadMessage (dwWindowsThreadId, WM_EMACS_UNREGISTER_HOT_KEY, (WPARAM) XINT (XCAR (item)), (LPARAM) item)) { MSG msg; GetMessage (&msg, NULL, WM_EMACS_DONE, WM_EMACS_DONE); } return Qt; } return Qnil; } DEFUN ("w32-registered-hot-keys", Fw32_registered_hot_keys, Sw32_registered_hot_keys, 0, 0, 0, "Return list of registered hot-key IDs.") () { return Fcopy_sequence (w32_grabbed_keys); } DEFUN ("w32-reconstruct-hot-key", Fw32_reconstruct_hot_key, Sw32_reconstruct_hot_key, 1, 1, 0, "Convert hot-key ID to a lisp key combination.") (hotkeyid) Lisp_Object hotkeyid; { int vk_code, w32_modifiers; Lisp_Object key; CHECK_NUMBER (hotkeyid, 0); vk_code = HOTKEY_VK_CODE (hotkeyid); w32_modifiers = HOTKEY_MODIFIERS (hotkeyid); if (lispy_function_keys[vk_code]) key = intern (lispy_function_keys[vk_code]); else key = make_number (vk_code); key = Fcons (key, Qnil); if (w32_modifiers & MOD_SHIFT) key = Fcons (Qshift, key); if (w32_modifiers & MOD_CONTROL) key = Fcons (Qctrl, key); if (w32_modifiers & MOD_ALT) key = Fcons (NILP (Vw32_alt_is_meta) ? Qalt : Qmeta, key); if (w32_modifiers & MOD_WIN) key = Fcons (Qhyper, key); return key; } DEFUN ("w32-toggle-lock-key", Fw32_toggle_lock_key, Sw32_toggle_lock_key, 1, 2, 0, "Toggle the state of the lock key KEY.\n\ KEY can be `capslock', `kp-numlock', or `scroll'.\n\ If the optional parameter NEW-STATE is a number, then the state of KEY\n\ is set to off if the low bit of NEW-STATE is zero, otherwise on.") (key, new_state) Lisp_Object key, new_state; { int vk_code; int cur_state; if (EQ (key, intern ("capslock"))) vk_code = VK_CAPITAL; else if (EQ (key, intern ("kp-numlock"))) vk_code = VK_NUMLOCK; else if (EQ (key, intern ("scroll"))) vk_code = VK_SCROLL; else return Qnil; if (!dwWindowsThreadId) return make_number (w32_console_toggle_lock_key (vk_code, new_state)); if (PostThreadMessage (dwWindowsThreadId, WM_EMACS_TOGGLE_LOCK_KEY, (WPARAM) vk_code, (LPARAM) new_state)) { MSG msg; GetMessage (&msg, NULL, WM_EMACS_DONE, WM_EMACS_DONE); return make_number (msg.wParam); } return Qnil; } syms_of_w32fns () { /* This is zero if not using MS-Windows. */ w32_in_use = 0; /* The section below is built by the lisp expression at the top of the file, just above where these variables are declared. */ /*&&& init symbols here &&&*/ Qauto_raise = intern ("auto-raise"); staticpro (&Qauto_raise); Qauto_lower = intern ("auto-lower"); staticpro (&Qauto_lower); Qbar = intern ("bar"); staticpro (&Qbar); Qborder_color = intern ("border-color"); staticpro (&Qborder_color); Qborder_width = intern ("border-width"); staticpro (&Qborder_width); Qbox = intern ("box"); staticpro (&Qbox); Qcursor_color = intern ("cursor-color"); staticpro (&Qcursor_color); Qcursor_type = intern ("cursor-type"); staticpro (&Qcursor_type); Qgeometry = intern ("geometry"); staticpro (&Qgeometry); Qicon_left = intern ("icon-left"); staticpro (&Qicon_left); Qicon_top = intern ("icon-top"); staticpro (&Qicon_top); Qicon_type = intern ("icon-type"); staticpro (&Qicon_type); Qicon_name = intern ("icon-name"); staticpro (&Qicon_name); Qinternal_border_width = intern ("internal-border-width"); staticpro (&Qinternal_border_width); Qleft = intern ("left"); staticpro (&Qleft); Qright = intern ("right"); staticpro (&Qright); Qmouse_color = intern ("mouse-color"); staticpro (&Qmouse_color); Qnone = intern ("none"); staticpro (&Qnone); Qparent_id = intern ("parent-id"); staticpro (&Qparent_id); Qscroll_bar_width = intern ("scroll-bar-width"); staticpro (&Qscroll_bar_width); Qsuppress_icon = intern ("suppress-icon"); staticpro (&Qsuppress_icon); Qundefined_color = intern ("undefined-color"); staticpro (&Qundefined_color); Qvertical_scroll_bars = intern ("vertical-scroll-bars"); staticpro (&Qvertical_scroll_bars); Qvisibility = intern ("visibility"); staticpro (&Qvisibility); Qwindow_id = intern ("window-id"); staticpro (&Qwindow_id); Qx_frame_parameter = intern ("x-frame-parameter"); staticpro (&Qx_frame_parameter); Qx_resource_name = intern ("x-resource-name"); staticpro (&Qx_resource_name); Quser_position = intern ("user-position"); staticpro (&Quser_position); Quser_size = intern ("user-size"); staticpro (&Quser_size); Qscreen_gamma = intern ("screen-gamma"); staticpro (&Qscreen_gamma); Qline_spacing = intern ("line-spacing"); staticpro (&Qline_spacing); Qcenter = intern ("center"); staticpro (&Qcenter); /* This is the end of symbol initialization. */ Qhyper = intern ("hyper"); staticpro (&Qhyper); Qsuper = intern ("super"); staticpro (&Qsuper); Qmeta = intern ("meta"); staticpro (&Qmeta); Qalt = intern ("alt"); staticpro (&Qalt); Qctrl = intern ("ctrl"); staticpro (&Qctrl); Qcontrol = intern ("control"); staticpro (&Qcontrol); Qshift = intern ("shift"); staticpro (&Qshift); /* Text property `display' should be nonsticky by default. */ Vtext_property_default_nonsticky = Fcons (Fcons (Qdisplay, Qt), Vtext_property_default_nonsticky); Qlaplace = intern ("laplace"); staticpro (&Qlaplace); Qface_set_after_frame_default = intern ("face-set-after-frame-default"); staticpro (&Qface_set_after_frame_default); Fput (Qundefined_color, Qerror_conditions, Fcons (Qundefined_color, Fcons (Qerror, Qnil))); Fput (Qundefined_color, Qerror_message, build_string ("Undefined color")); staticpro (&w32_grabbed_keys); w32_grabbed_keys = Qnil; DEFVAR_LISP ("w32-color-map", &Vw32_color_map, "An array of color name mappings for windows."); Vw32_color_map = Qnil; DEFVAR_LISP ("w32-pass-alt-to-system", &Vw32_pass_alt_to_system, "Non-nil if alt key presses are passed on to Windows.\n\ When non-nil, for example, alt pressed and released and then space will\n\ open the System menu. When nil, Emacs silently swallows alt key events."); Vw32_pass_alt_to_system = Qnil; DEFVAR_LISP ("w32-alt-is-meta", &Vw32_alt_is_meta, "Non-nil if the alt key is to be considered the same as the meta key.\n\ When nil, Emacs will translate the alt key to the Alt modifier, and not Meta."); Vw32_alt_is_meta = Qt; DEFVAR_INT ("w32-quit-key", &Vw32_quit_key, "If non-zero, the virtual key code for an alternative quit key."); XSETINT (Vw32_quit_key, 0); DEFVAR_LISP ("w32-pass-lwindow-to-system", &Vw32_pass_lwindow_to_system, "Non-nil if the left \"Windows\" key is passed on to Windows.\n\ When non-nil, the Start menu is opened by tapping the key."); Vw32_pass_lwindow_to_system = Qt; DEFVAR_LISP ("w32-pass-rwindow-to-system", &Vw32_pass_rwindow_to_system, "Non-nil if the right \"Windows\" key is passed on to Windows.\n\ When non-nil, the Start menu is opened by tapping the key."); Vw32_pass_rwindow_to_system = Qt; DEFVAR_INT ("w32-phantom-key-code", &Vw32_phantom_key_code, "Virtual key code used to generate \"phantom\" key presses.\n\ Value is a number between 0 and 255.\n\ \n\ Phantom key presses are generated in order to stop the system from\n\ acting on \"Windows\" key events when `w32-pass-lwindow-to-system' or\n\ `w32-pass-rwindow-to-system' is nil."); /* Although 255 is technically not a valid key code, it works and means that this hack won't interfere with any real key code. */ Vw32_phantom_key_code = 255; DEFVAR_LISP ("w32-enable-num-lock", &Vw32_enable_num_lock, "Non-nil if Num Lock should act normally.\n\ Set to nil to see Num Lock as the key `kp-numlock'."); Vw32_enable_num_lock = Qt; DEFVAR_LISP ("w32-enable-caps-lock", &Vw32_enable_caps_lock, "Non-nil if Caps Lock should act normally.\n\ Set to nil to see Caps Lock as the key `capslock'."); Vw32_enable_caps_lock = Qt; DEFVAR_LISP ("w32-scroll-lock-modifier", &Vw32_scroll_lock_modifier, "Modifier to use for the Scroll Lock on state.\n\ The value can be hyper, super, meta, alt, control or shift for the\n\ respective modifier, or nil to see Scroll Lock as the key `scroll'.\n\ Any other value will cause the key to be ignored."); Vw32_scroll_lock_modifier = Qt; DEFVAR_LISP ("w32-lwindow-modifier", &Vw32_lwindow_modifier, "Modifier to use for the left \"Windows\" key.\n\ The value can be hyper, super, meta, alt, control or shift for the\n\ respective modifier, or nil to appear as the key `lwindow'.\n\ Any other value will cause the key to be ignored."); Vw32_lwindow_modifier = Qnil; DEFVAR_LISP ("w32-rwindow-modifier", &Vw32_rwindow_modifier, "Modifier to use for the right \"Windows\" key.\n\ The value can be hyper, super, meta, alt, control or shift for the\n\ respective modifier, or nil to appear as the key `rwindow'.\n\ Any other value will cause the key to be ignored."); Vw32_rwindow_modifier = Qnil; DEFVAR_LISP ("w32-apps-modifier", &Vw32_apps_modifier, "Modifier to use for the \"Apps\" key.\n\ The value can be hyper, super, meta, alt, control or shift for the\n\ respective modifier, or nil to appear as the key `apps'.\n\ Any other value will cause the key to be ignored."); Vw32_apps_modifier = Qnil; DEFVAR_LISP ("w32-enable-synthesized-fonts", &Vw32_enable_synthesized_fonts, "Non-nil enables selection of artificially italicized and bold fonts."); Vw32_enable_synthesized_fonts = Qnil; DEFVAR_LISP ("w32-enable-palette", &Vw32_enable_palette, "Non-nil enables Windows palette management to map colors exactly."); Vw32_enable_palette = Qt; DEFVAR_INT ("w32-mouse-button-tolerance", &Vw32_mouse_button_tolerance, "Analogue of double click interval for faking middle mouse events.\n\ The value is the minimum time in milliseconds that must elapse between\n\ left/right button down events before they are considered distinct events.\n\ If both mouse buttons are depressed within this interval, a middle mouse\n\ button down event is generated instead."); XSETINT (Vw32_mouse_button_tolerance, GetDoubleClickTime () / 2); DEFVAR_INT ("w32-mouse-move-interval", &Vw32_mouse_move_interval, "Minimum interval between mouse move events.\n\ The value is the minimum time in milliseconds that must elapse between\n\ successive mouse move (or scroll bar drag) events before they are\n\ reported as lisp events."); XSETINT (Vw32_mouse_move_interval, 0); init_x_parm_symbols (); DEFVAR_LISP ("x-bitmap-file-path", &Vx_bitmap_file_path, "List of directories to search for bitmap files for w32."); Vx_bitmap_file_path = decode_env_path ((char *) 0, "PATH"); DEFVAR_LISP ("x-pointer-shape", &Vx_pointer_shape, "The shape of the pointer when over text.\n\ Changing the value does not affect existing frames\n\ unless you set the mouse color."); Vx_pointer_shape = Qnil; DEFVAR_LISP ("x-resource-name", &Vx_resource_name, "The name Emacs uses to look up resources; for internal use only.\n\ `x-get-resource' uses this as the first component of the instance name\n\ when requesting resource values.\n\ Emacs initially sets `x-resource-name' to the name under which Emacs\n\ was invoked, or to the value specified with the `-name' or `-rn'\n\ switches, if present."); Vx_resource_name = Qnil; Vx_nontext_pointer_shape = Qnil; Vx_mode_pointer_shape = Qnil; DEFVAR_LISP ("x-busy-pointer-shape", &Vx_busy_pointer_shape, "The shape of the pointer when Emacs is busy.\n\ This variable takes effect when you create a new frame\n\ or when you set the mouse color."); Vx_busy_pointer_shape = Qnil; DEFVAR_BOOL ("display-busy-cursor", &display_busy_cursor_p, "Non-zero means Emacs displays a busy cursor on window systems."); display_busy_cursor_p = 1; DEFVAR_LISP ("busy-cursor-delay", &Vbusy_cursor_delay, "*Seconds to wait before displaying a busy-cursor.\n\ Value must be an integer or float."); Vbusy_cursor_delay = make_number (DEFAULT_BUSY_CURSOR_DELAY); DEFVAR_LISP ("x-sensitive-text-pointer-shape", &Vx_sensitive_text_pointer_shape, "The shape of the pointer when over mouse-sensitive text.\n\ This variable takes effect when you create a new frame\n\ or when you set the mouse color."); Vx_sensitive_text_pointer_shape = Qnil; DEFVAR_LISP ("x-cursor-fore-pixel", &Vx_cursor_fore_pixel, "A string indicating the foreground color of the cursor box."); Vx_cursor_fore_pixel = Qnil; DEFVAR_LISP ("x-no-window-manager", &Vx_no_window_manager, "Non-nil if no window manager is in use.\n\ Emacs doesn't try to figure this out; this is always nil\n\ unless you set it to something else."); /* We don't have any way to find this out, so set it to nil and maybe the user would like to set it to t. */ Vx_no_window_manager = Qnil; DEFVAR_LISP ("x-pixel-size-width-font-regexp", &Vx_pixel_size_width_font_regexp, "Regexp matching a font name whose width is the same as `PIXEL_SIZE'.\n\ \n\ Since Emacs gets width of a font matching with this regexp from\n\ PIXEL_SIZE field of the name, font finding mechanism gets faster for\n\ such a font. This is especially effective for such large fonts as\n\ Chinese, Japanese, and Korean."); Vx_pixel_size_width_font_regexp = Qnil; DEFVAR_LISP ("image-cache-eviction-delay", &Vimage_cache_eviction_delay, "Time after which cached images are removed from the cache.\n\ When an image has not been displayed this many seconds, remove it\n\ from the image cache. Value must be an integer or nil with nil\n\ meaning don't clear the cache."); Vimage_cache_eviction_delay = make_number (30 * 60); DEFVAR_LISP ("w32-bdf-filename-alist", &Vw32_bdf_filename_alist, "List of bdf fonts and their corresponding filenames."); Vw32_bdf_filename_alist = Qnil; DEFVAR_BOOL ("w32-strict-fontnames", &w32_strict_fontnames, "Non-nil means only use fonts that are exact matches for those requested.\n\ Default is nil, which allows old fontnames that are not XLFD compliant,\n\ and allows third-party CJK display to work by specifying false charset\n\ fields to trick Emacs into translating to Big5, SJIS etc.\n\ Setting this to t will prevent wrong fonts being selected when\n\ fontsets are automatically created."); w32_strict_fontnames = 0; DEFVAR_BOOL ("w32-strict-painting", &w32_strict_painting, "Non-nil means use strict rules for repainting frames.\n\ Set this to nil to get the old behaviour for repainting; this should\n\ only be necessary if the default setting causes problems."); w32_strict_painting = 1; DEFVAR_LISP ("w32-system-coding-system", &Vw32_system_coding_system, "Coding system used by Windows system functions, such as for font names."); Vw32_system_coding_system = Qnil; DEFVAR_LISP ("w32-charset-info-alist", &Vw32_charset_info_alist, "Alist linking Emacs character sets to Windows fonts\n\ and codepages. Each entry should be of the form:\n\ \n\ (CHARSET_NAME . (WINDOWS_CHARSET . CODEPAGE))\n\ \n\ where CHARSET_NAME is a string used in font names to identify the charset,\n\ WINDOWS_CHARSET is a symbol that can be one of:\n\ w32-charset-ansi, w32-charset-default, w32-charset-symbol,\n\ w32-charset-shiftjis, w32-charset-hangul, w32-charset-gb2312,\n\ w32-charset-chinesebig5, " #ifdef JOHAB_CHARSET "w32-charset-johab, w32-charset-hebrew,\n\ w32-charset-arabic, w32-charset-greek, w32-charset-turkish,\n\ w32-charset-vietnamese, w32-charset-thai, w32-charset-easteurope,\n\ w32-charset-russian, w32-charset-mac, w32-charset-baltic,\n" #endif #ifdef UNICODE_CHARSET "w32-charset-unicode, " #endif "or w32-charset-oem.\n\ CODEPAGE should be an integer specifying the codepage that should be used\n\ to display the character set, t to do no translation and output as Unicode,\n\ or nil to do no translation and output as 8 bit (or multibyte on far-east\n\ versions of Windows) characters."); Vw32_charset_info_alist = Qnil; staticpro (&Qw32_charset_ansi); Qw32_charset_ansi = intern ("w32-charset-ansi"); staticpro (&Qw32_charset_symbol); Qw32_charset_symbol = intern ("w32-charset-symbol"); staticpro (&Qw32_charset_shiftjis); Qw32_charset_shiftjis = intern ("w32-charset-shiftjis"); staticpro (&Qw32_charset_hangul); Qw32_charset_hangul = intern ("w32-charset-hangul"); staticpro (&Qw32_charset_chinesebig5); Qw32_charset_chinesebig5 = intern ("w32-charset-chinesebig5"); staticpro (&Qw32_charset_gb2312); Qw32_charset_gb2312 = intern ("w32-charset-gb2312"); staticpro (&Qw32_charset_oem); Qw32_charset_oem = intern ("w32-charset-oem"); #ifdef JOHAB_CHARSET { static int w32_extra_charsets_defined = 1; DEFVAR_BOOL ("w32-extra-charsets-defined", w32_extra_charsets_defined, ""); staticpro (&Qw32_charset_johab); Qw32_charset_johab = intern ("w32-charset-johab"); staticpro (&Qw32_charset_easteurope); Qw32_charset_easteurope = intern ("w32-charset-easteurope"); staticpro (&Qw32_charset_turkish); Qw32_charset_turkish = intern ("w32-charset-turkish"); staticpro (&Qw32_charset_baltic); Qw32_charset_baltic = intern ("w32-charset-baltic"); staticpro (&Qw32_charset_russian); Qw32_charset_russian = intern ("w32-charset-russian"); staticpro (&Qw32_charset_arabic); Qw32_charset_arabic = intern ("w32-charset-arabic"); staticpro (&Qw32_charset_greek); Qw32_charset_greek = intern ("w32-charset-greek"); staticpro (&Qw32_charset_hebrew); Qw32_charset_hebrew = intern ("w32-charset-hebrew"); staticpro (&Qw32_charset_thai); Qw32_charset_thai = intern ("w32-charset-thai"); staticpro (&Qw32_charset_mac); Qw32_charset_mac = intern ("w32-charset-mac"); } #endif #ifdef UNICODE_CHARSET { static int w32_unicode_charset_defined = 1; DEFVAR_BOOL ("w32-unicode-charset-defined", w32_unicode_charset_defined, ""); staticpro (&Qw32_charset_unicode); Qw32_charset_unicode = intern ("w32-charset-unicode"); #endif defsubr (&Sx_get_resource); #if 0 /* NTEMACS_TODO: Port to W32 */ defsubr (&Sx_change_window_property); defsubr (&Sx_delete_window_property); defsubr (&Sx_window_property); #endif defsubr (&Sxw_display_color_p); defsubr (&Sx_display_grayscale_p); defsubr (&Sxw_color_defined_p); defsubr (&Sxw_color_values); defsubr (&Sx_server_max_request_size); defsubr (&Sx_server_vendor); defsubr (&Sx_server_version); defsubr (&Sx_display_pixel_width); defsubr (&Sx_display_pixel_height); defsubr (&Sx_display_mm_width); defsubr (&Sx_display_mm_height); defsubr (&Sx_display_screens); defsubr (&Sx_display_planes); defsubr (&Sx_display_color_cells); defsubr (&Sx_display_visual_class); defsubr (&Sx_display_backing_store); defsubr (&Sx_display_save_under); defsubr (&Sx_parse_geometry); defsubr (&Sx_create_frame); defsubr (&Sx_open_connection); defsubr (&Sx_close_connection); defsubr (&Sx_display_list); defsubr (&Sx_synchronize); /* W32 specific functions */ defsubr (&Sw32_focus_frame); defsubr (&Sw32_select_font); defsubr (&Sw32_define_rgb_color); defsubr (&Sw32_default_color_map); defsubr (&Sw32_load_color_file); defsubr (&Sw32_send_sys_command); defsubr (&Sw32_shell_execute); defsubr (&Sw32_register_hot_key); defsubr (&Sw32_unregister_hot_key); defsubr (&Sw32_registered_hot_keys); defsubr (&Sw32_reconstruct_hot_key); defsubr (&Sw32_toggle_lock_key); defsubr (&Sw32_find_bdf_fonts); /* Setting callback functions for fontset handler. */ get_font_info_func = w32_get_font_info; #if 0 /* This function pointer doesn't seem to be used anywhere. And the pointer assigned has the wrong type, anyway. */ list_fonts_func = w32_list_fonts; #endif load_font_func = w32_load_font; find_ccl_program_func = w32_find_ccl_program; query_font_func = w32_query_font; set_frame_fontset_func = x_set_font; check_window_system_func = check_w32; #if 0 /* NTEMACS_TODO Image support for W32 */ /* Images. */ Qxbm = intern ("xbm"); staticpro (&Qxbm); QCtype = intern (":type"); staticpro (&QCtype); QCalgorithm = intern (":algorithm"); staticpro (&QCalgorithm); QCheuristic_mask = intern (":heuristic-mask"); staticpro (&QCheuristic_mask); QCcolor_symbols = intern (":color-symbols"); staticpro (&QCcolor_symbols); QCascent = intern (":ascent"); staticpro (&QCascent); QCmargin = intern (":margin"); staticpro (&QCmargin); QCrelief = intern (":relief"); staticpro (&QCrelief); Qpostscript = intern ("postscript"); staticpro (&Qpostscript); QCloader = intern (":loader"); staticpro (&QCloader); QCbounding_box = intern (":bounding-box"); staticpro (&QCbounding_box); QCpt_width = intern (":pt-width"); staticpro (&QCpt_width); QCpt_height = intern (":pt-height"); staticpro (&QCpt_height); QCindex = intern (":index"); staticpro (&QCindex); Qpbm = intern ("pbm"); staticpro (&Qpbm); #if HAVE_XPM Qxpm = intern ("xpm"); staticpro (&Qxpm); #endif #if HAVE_JPEG Qjpeg = intern ("jpeg"); staticpro (&Qjpeg); #endif #if HAVE_TIFF Qtiff = intern ("tiff"); staticpro (&Qtiff); #endif #if HAVE_GIF Qgif = intern ("gif"); staticpro (&Qgif); #endif #if HAVE_PNG Qpng = intern ("png"); staticpro (&Qpng); #endif defsubr (&Sclear_image_cache); #if GLYPH_DEBUG defsubr (&Simagep); defsubr (&Slookup_image); #endif #endif /* NTEMACS_TODO */ busy_cursor_atimer = NULL; busy_cursor_shown_p = 0; defsubr (&Sx_show_tip); defsubr (&Sx_hide_tip); staticpro (&tip_timer); tip_timer = Qnil; defsubr (&Sx_file_dialog); } void init_xfns () { image_types = NULL; Vimage_types = Qnil; #if 0 /* NTEMACS_TODO : Image support for W32 */ define_image_type (&xbm_type); define_image_type (&gs_type); define_image_type (&pbm_type); #if HAVE_XPM define_image_type (&xpm_type); #endif #if HAVE_JPEG define_image_type (&jpeg_type); #endif #if HAVE_TIFF define_image_type (&tiff_type); #endif #if HAVE_GIF define_image_type (&gif_type); #endif #if HAVE_PNG define_image_type (&png_type); #endif #endif /* NTEMACS_TODO */ } #undef abort void w32_abort() { int button; button = MessageBox (NULL, "A fatal error has occurred!\n\n" "Select Abort to exit, Retry to debug, Ignore to continue", "Emacs Abort Dialog", MB_ICONEXCLAMATION | MB_TASKMODAL | MB_SETFOREGROUND | MB_ABORTRETRYIGNORE); switch (button) { case IDRETRY: DebugBreak (); break; case IDIGNORE: break; case IDABORT: default: abort (); break; } } /* For convenience when debugging. */ int w32_last_error() { return GetLastError (); }