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Diffstat (limited to 'src/xterm.h')
| -rw-r--r-- | src/xterm.h | 769 |
1 files changed, 0 insertions, 769 deletions
diff --git a/src/xterm.h b/src/xterm.h deleted file mode 100644 index ea649552521..00000000000 --- a/src/xterm.h +++ /dev/null @@ -1,769 +0,0 @@ -/* Definitions and headers for communication with X protocol. - Copyright (C) 1989, 1993, 1994 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. */ - -#include <X11/Xlib.h> -#include <X11/cursorfont.h> -#include <X11/Xutil.h> -#include <X11/keysym.h> -#include <X11/Xatom.h> -#include <X11/Xresource.h> - -#ifdef USE_X_TOOLKIT -#include <X11/StringDefs.h> -#include <X11/IntrinsicP.h> /* CoreP.h needs this */ -#include <X11/CoreP.h> /* foul, but we need this to use our own - window inside a widget instead of one - that Xt creates... */ -#include <X11/StringDefs.h> -#endif - -/* The class of this X application. */ -#define EMACS_CLASS "Emacs" - -/* Bookkeeping to distinguish X versions. */ - -/* HAVE_X11R4 is defined if we have the features of X11R4. It should - be defined when we're using X11R5, since X11R5 has the features of - X11R4. If, in the future, we find we need more of these flags - (HAVE_X11R5, for example), code should always be written to test - the most recent flag first: - - #ifdef HAVE_X11R5 - ... - #elif HAVE_X11R4 - ... - #elif HAVE_X11 - ... - #endif - - If you ever find yourself writing a "#ifdef HAVE_FOO" clause that - looks a lot like another one, consider moving the text into a macro - whose definition is configuration-dependent, but whose usage is - universal - like the stuff in systime.h. - - It turns out that we can auto-detect whether we're being compiled - with X11R3 or X11R4 by looking for the flag macros for R4 structure - members that R3 doesn't have. */ -#ifdef PBaseSize -/* AIX 3.1's X is somewhere between X11R3 and X11R4. It has - PBaseSize, but not XWithdrawWindow, XSetWMName, XSetWMNormalHints, - XSetWMIconName. - AIX 3.2 is at least X11R4. */ -#if (!defined AIX) || (defined AIX3_2) -#define HAVE_X11R4 -#endif -#endif - -#ifdef HAVE_X11R5 -/* In case someone has X11R5 on AIX 3.1, - make sure HAVE_X11R4 is defined as well as HAVE_X11R5. */ -#define HAVE_X11R4 -#endif - -#ifdef HAVE_X11R5 -#define HAVE_X_I18N -#include <X11/Xlocale.h> -#endif - -#define BLACK_PIX_DEFAULT(f) BlackPixel (FRAME_X_DISPLAY (f), \ - XScreenNumberOfScreen (FRAME_X_SCREEN (f))) -#define WHITE_PIX_DEFAULT(f) WhitePixel (FRAME_X_DISPLAY (f), \ - XScreenNumberOfScreen (FRAME_X_SCREEN (f))) - -#define FONT_WIDTH(f) ((f)->max_bounds.width) -#define FONT_HEIGHT(f) ((f)->ascent + (f)->descent) -#define FONT_BASE(f) ((f)->ascent) - -/* The mask of events that text windows always want to receive. This - includes mouse movement events, since handling the mouse-font text property - means that we must track mouse motion all the time. */ - -#define STANDARD_EVENT_SET \ - (KeyPressMask \ - | ExposureMask \ - | ButtonPressMask \ - | ButtonReleaseMask \ - | PointerMotionMask \ - | StructureNotifyMask \ - | FocusChangeMask \ - | LeaveWindowMask \ - | EnterWindowMask \ - | VisibilityChangeMask) - -/* This checks to make sure we have a display. */ -extern void check_x (); - -extern struct frame *x_window_to_frame (); - -#ifdef USE_X_TOOLKIT -extern struct frame *x_any_window_to_frame (); -extern struct frame *x_non_menubar_window_to_frame (); -extern struct frame *x_top_window_to_frame (); -#endif - -extern Visual *select_visual (); - -enum text_cursor_kinds { - filled_box_cursor, hollow_box_cursor, bar_cursor -}; - -/* This data type is used for the font_table field - of struct x_display_info. */ - -struct font_info -{ - XFontStruct *font; - char *name; - char *full_name; -}; - -/* Structure recording X pixmap and reference count. - If REFCOUNT is 0 then this record is free to be reused. */ - -struct x_bitmap_record -{ - Pixmap pixmap; - char *file; - int refcount; - /* Record some info about this pixmap. */ - int height, width, depth; -}; - -/* For each X display, we have a structure that records - information about it. */ - -struct x_display_info -{ - /* Chain of all x_display_info structures. */ - struct x_display_info *next; - /* Connection number (normally a file descriptor number). */ - int connection; - /* This says how to access this display in Xlib. */ - Display *display; - /* This is a cons cell of the form (NAME . FONT-LIST-CACHE). - The same cons cell also appears in x_display_name_list. */ - Lisp_Object name_list_element; - /* Number of frames that are on this display. */ - int reference_count; - /* The Screen this connection is connected to. */ - Screen *screen; - /* The Visual being used for this display. */ - Visual *visual; - /* Number of panes on this screen. */ - int n_planes; - /* Dimensions of this screen. */ - int height, width; - /* Mask of things that cause the mouse to be grabbed. */ - int grabbed; - /* Emacs bitmap-id of the default icon bitmap for this frame. - Or -1 if none has been allocated yet. */ - int icon_bitmap_id; - /* The root window of this screen. */ - Window root_window; - /* The cursor to use for vertical scroll bars. */ - Cursor vertical_scroll_bar_cursor; - /* X Resource data base */ - XrmDatabase xrdb; - - /* A table of all the fonts we have already loaded. */ - struct font_info *font_table; - - /* The current capacity of x_font_table. */ - int font_table_size; - - /* Reusable Graphics Context for drawing a cursor in a non-default face. */ - GC scratch_cursor_gc; - - /* These variables describe the range of text currently shown - in its mouse-face, together with the window they apply to. - As long as the mouse stays within this range, we need not - redraw anything on its account. */ - int mouse_face_beg_row, mouse_face_beg_col; - int mouse_face_end_row, mouse_face_end_col; - int mouse_face_past_end; - Lisp_Object mouse_face_window; - int mouse_face_face_id; - - /* 1 if a mouse motion event came and we didn't handle it right away because - gc was in progress. */ - int mouse_face_deferred_gc; - - /* FRAME and X, Y position of mouse when last checked for - highlighting. X and Y can be negative or out of range for the frame. */ - struct frame *mouse_face_mouse_frame; - int mouse_face_mouse_x, mouse_face_mouse_y; - - /* Nonzero means defer mouse-motion highlighting. */ - int mouse_face_defer; - - char *x_id_name; - - /* The number of fonts actually stored in x_font_table. - font_table[n] is used and valid iff 0 <= n < n_fonts. - 0 <= n_fonts <= font_table_size. */ - int n_fonts; - - /* Pointer to bitmap records. */ - struct x_bitmap_record *bitmaps; - - /* Allocated size of bitmaps field. */ - int bitmaps_size; - - /* Last used bitmap index. */ - int bitmaps_last; - - /* Which modifier keys are on which modifier bits? - - With each keystroke, X returns eight bits indicating which modifier - keys were held down when the key was pressed. The interpretation - of the top five modifier bits depends on what keys are attached - to them. If the Meta_L and Meta_R keysyms are on mod5, then mod5 - is the meta bit. - - meta_mod_mask is a mask containing the bits used for the meta key. - It may have more than one bit set, if more than one modifier bit - has meta keys on it. Basically, if EVENT is a KeyPress event, - the meta key is pressed if (EVENT.state & meta_mod_mask) != 0. - - shift_lock_mask is LockMask if the XK_Shift_Lock keysym is on the - lock modifier bit, or zero otherwise. Non-alphabetic keys should - only be affected by the lock modifier bit if XK_Shift_Lock is in - use; XK_Caps_Lock should only affect alphabetic keys. With this - arrangement, the lock modifier should shift the character if - (EVENT.state & shift_lock_mask) != 0. */ - int meta_mod_mask, shift_lock_mask; - - /* These are like meta_mod_mask, but for different modifiers. */ - int alt_mod_mask, super_mod_mask, hyper_mod_mask; - - /* Communication with window managers. */ - Atom Xatom_wm_protocols; - /* Kinds of protocol things we may receive. */ - Atom Xatom_wm_take_focus; - Atom Xatom_wm_save_yourself; - Atom Xatom_wm_delete_window; - /* Atom for indicating window state to the window manager. */ - Atom Xatom_wm_change_state; - /* Other WM communication */ - Atom Xatom_wm_configure_denied; /* When our config request is denied */ - Atom Xatom_wm_window_moved; /* When the WM moves us. */ - /* EditRes protocol */ - Atom Xatom_editres; - /* Atom `FONT' */ - Atom Xatom_FONT; - - /* More atoms, which are selection types. */ - Atom Xatom_CLIPBOARD, Xatom_TIMESTAMP, Xatom_TEXT, Xatom_DELETE, - Xatom_MULTIPLE, Xatom_INCR, Xatom_EMACS_TMP, Xatom_TARGETS, Xatom_NULL, - Xatom_ATOM_PAIR; -#ifdef MULTI_KBOARD - struct kboard *kboard; -#endif - int cut_buffers_initialized; /* Whether we're sure they all exist */ - - /* The frame (if any) which has the X window that has keyboard focus. - Zero if none. This is examined by Ffocus_frame in xfns.c. Note - that a mere EnterNotify event can set this; if you need to know the - last frame specified in a FocusIn or FocusOut event, use - x_focus_event_frame. */ - struct frame *x_focus_frame; - - /* The last frame mentioned in a FocusIn or FocusOut event. This is - separate from x_focus_frame, because whether or not LeaveNotify - events cause us to lose focus depends on whether or not we have - received a FocusIn event for it. */ - struct frame *x_focus_event_frame; - - /* The frame which currently has the visual highlight, and should get - keyboard input (other sorts of input have the frame encoded in the - event). It points to the X focus frame's selected window's - frame. It differs from x_focus_frame when we're using a global - minibuffer. */ - struct frame *x_highlight_frame; -}; - -/* This is a chain of structures for all the X displays currently in use. */ -extern struct x_display_info *x_display_list; - -/* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE), - one for each element of x_display_list and in the same order. - NAME is the name of the frame. - FONT-LIST-CACHE records previous values returned by x-list-fonts. */ -extern Lisp_Object x_display_name_list; - -extern struct x_display_info *x_display_info_for_display (); -extern struct x_display_info *x_display_info_for_name (); - -extern struct x_display_info *x_term_init (); - -/* Each X frame object points to its own struct x_output object - in the output_data.x field. The x_output structure contains - the information that is specific to X windows. */ - -struct x_output -{ - /* Position of the X window (x and y offsets in root window). */ - int left_pos; - int top_pos; - - /* Border width of the X window as known by the X window system. */ - int border_width; - - /* Size of the X window in pixels. */ - int pixel_height, pixel_width; - - /* Height of menu bar widget, in pixels. - Zero if not using the X toolkit. - When using the toolkit, this value is not meaningful - if the menubar is turned off. */ - int menubar_height; - - /* Height of a line, in pixels. */ - int line_height; - - /* The tiled border used when the mouse is out of the frame. */ - Pixmap border_tile; - - /* Here are the Graphics Contexts for the default font. */ - GC normal_gc; /* Normal video */ - GC reverse_gc; /* Reverse video */ - GC cursor_gc; /* cursor drawing */ - - /* Width of the internal border. This is a line of background color - just inside the window's border. When the frame is selected, - a highlighting is displayed inside the internal border. */ - int internal_border_width; - - /* The X window used for this frame. - May be zero while the frame object is being created - and the X window has not yet been created. */ - Window window_desc; - - /* The X window used for the bitmap icon; - or 0 if we don't have a bitmap icon. */ - Window icon_desc; - - /* The X window that is the parent of this X window. - Usually this is a window that was made by the window manager, - but it can be the root window, and it can be explicitly specified - (see the explicit_parent field, below). */ - Window parent_desc; - -#ifdef USE_X_TOOLKIT - /* The widget of this screen. This is the window of a "shell" widget. */ - Widget widget; - /* The XmPanedWindows... */ - Widget column_widget; - /* The widget of the edit portion of this screen; the window in - "window_desc" is inside of this. */ - Widget edit_widget; - - Widget menubar_widget; -#endif - - /* If >=0, a bitmap index. The indicated bitmap is used for the - icon. */ - int icon_bitmap; - - XFontStruct *font; - - /* Pixel values used for various purposes. - border_pixel may be -1 meaning use a gray tile. */ - unsigned long background_pixel; - unsigned long foreground_pixel; - unsigned long cursor_pixel; - unsigned long border_pixel; - unsigned long mouse_pixel; - unsigned long cursor_foreground_pixel; - - /* Descriptor for the cursor in use for this window. */ - Cursor text_cursor; - Cursor nontext_cursor; - Cursor modeline_cursor; - Cursor cross_cursor; - - /* Flag to set when the X window needs to be completely repainted. */ - int needs_exposure; - - /* What kind of text cursor is drawn in this window right now? - (If there is no cursor (phys_cursor_x < 0), then this means nothing.) */ - enum text_cursor_kinds current_cursor; - - /* What kind of text cursor should we draw in the future? - This should always be filled_box_cursor or bar_cursor. */ - enum text_cursor_kinds desired_cursor; - - /* Width of bar cursor (if we are using that). */ - int cursor_width; - - /* These are the current window manager hints. It seems that - XSetWMHints, when presented with an unset bit in the `flags' - member of the hints structure, does not leave the corresponding - attribute unchanged; rather, it resets that attribute to its - default value. For example, unless you set the `icon_pixmap' - field and the `IconPixmapHint' bit, XSetWMHints will forget what - your icon pixmap was. This is rather troublesome, since some of - the members (for example, `input' and `icon_pixmap') want to stay - the same throughout the execution of Emacs. So, we keep this - structure around, just leaving values in it and adding new bits - to the mask as we go. */ - XWMHints wm_hints; - - /* The size of the extra width currently allotted for vertical - scroll bars, in pixels. */ - int vertical_scroll_bar_extra; - - /* Table of parameter faces for this frame. Any X resources (pixel - values, fonts) referred to here have been allocated explicitly - for this face, and should be freed if we change the face. */ - struct face **param_faces; - int n_param_faces; - - /* Table of computed faces for this frame. These are the faces - whose indexes go into the upper bits of a glyph, computed by - combining the parameter faces specified by overlays, text - properties, and what have you. The X resources mentioned here - are all shared with parameter faces. */ - struct face **computed_faces; - int n_computed_faces; /* How many are valid */ - int size_computed_faces; /* How many are allocated */ - - /* This is the gravity value for the specified window position. */ - int win_gravity; - - /* The geometry flags for this window. */ - int size_hint_flags; - - /* This is the Emacs structure for the X display this frame is on. */ - struct x_display_info *display_info; - - /* This is a button event that wants to activate the menubar. - We save it here until the command loop gets to think about it. */ - XEvent *saved_menu_event; - - /* This is the widget id used for this frame's menubar in lwlib. */ -#ifdef USE_X_TOOLKIT - int id; -#endif - - /* Nonzero means our parent is another application's window - and was explicitly specified. */ - char explicit_parent; - - /* Nonzero means tried already to make this frame visible. */ - char asked_for_visible; - -#ifdef HAVE_X_I18N - /* Input method. */ - XIM xim; - /* Input context (currently, this means Compose key handler setup). */ - XIC xic; -#endif -}; - -/* Get at the computed faces of an X window frame. */ -#define FRAME_PARAM_FACES(f) ((f)->output_data.x->param_faces) -#define FRAME_N_PARAM_FACES(f) ((f)->output_data.x->n_param_faces) -#define FRAME_DEFAULT_PARAM_FACE(f) (FRAME_PARAM_FACES (f)[0]) -#define FRAME_MODE_LINE_PARAM_FACE(f) (FRAME_PARAM_FACES (f)[1]) - -#define FRAME_COMPUTED_FACES(f) ((f)->output_data.x->computed_faces) -#define FRAME_N_COMPUTED_FACES(f) ((f)->output_data.x->n_computed_faces) -#define FRAME_SIZE_COMPUTED_FACES(f) ((f)->output_data.x->size_computed_faces) -#define FRAME_DEFAULT_FACE(f) ((f)->output_data.x->computed_faces[0]) -#define FRAME_MODE_LINE_FACE(f) ((f)->output_data.x->computed_faces[1]) - -/* Return the window associated with the frame F. */ -#define FRAME_X_WINDOW(f) ((f)->output_data.x->window_desc) - -#define FRAME_FOREGROUND_PIXEL(f) ((f)->output_data.x->foreground_pixel) -#define FRAME_BACKGROUND_PIXEL(f) ((f)->output_data.x->background_pixel) -#define FRAME_FONT(f) ((f)->output_data.x->font) -#define FRAME_INTERNAL_BORDER_WIDTH(f) ((f)->output_data.x->internal_border_width) -#define FRAME_LINE_HEIGHT(f) ((f)->output_data.x->line_height) - -/* This gives the x_display_info structure for the display F is on. */ -#define FRAME_X_DISPLAY_INFO(f) ((f)->output_data.x->display_info) - -/* This is the `Display *' which frame F is on. */ -#define FRAME_X_DISPLAY(f) (FRAME_X_DISPLAY_INFO (f)->display) - -/* This is the `Screen *' which frame F is on. */ -#define FRAME_X_SCREEN(f) (FRAME_X_DISPLAY_INFO (f)->screen) - -/* These two really ought to be called FRAME_PIXEL_{WIDTH,HEIGHT}. */ -#define PIXEL_WIDTH(f) ((f)->output_data.x->pixel_width) -#define PIXEL_HEIGHT(f) ((f)->output_data.x->pixel_height) - -#define FRAME_DESIRED_CURSOR(f) ((f)->output_data.x->desired_cursor) - -#define FRAME_XIM(f) ((f)->output_data.x->xim) -#define FRAME_XIC(f) ((f)->output_data.x->xic) - -/* X-specific scroll bar stuff. */ - -/* We represent scroll bars as lisp vectors. This allows us to place - references to them in windows without worrying about whether we'll - end up with windows referring to dead scroll bars; the garbage - collector will free it when its time comes. - - We use struct scroll_bar as a template for accessing fields of the - vector. */ - -struct scroll_bar { - - /* These fields are shared by all vectors. */ - EMACS_INT size_from_Lisp_Vector_struct; - struct Lisp_Vector *next_from_Lisp_Vector_struct; - - /* The window we're a scroll bar for. */ - Lisp_Object window; - - /* The next and previous in the chain of scroll bars in this frame. */ - Lisp_Object next, prev; - - /* The X window representing this scroll bar. Since this is a full - 32-bit quantity, we store it split into two 32-bit values. */ - Lisp_Object x_window_low, x_window_high; - - /* The position and size of the scroll bar in pixels, relative to the - frame. */ - Lisp_Object top, left, width, height; - - /* The starting and ending positions of the handle, relative to the - handle area (i.e. zero is the top position, not - SCROLL_BAR_TOP_BORDER). If they're equal, that means the handle - hasn't been drawn yet. - - These are not actually the locations where the beginning and end - are drawn; in order to keep handles from becoming invisible when - editing large files, we establish a minimum height by always - drawing handle bottoms VERTICAL_SCROLL_BAR_MIN_HANDLE pixels below - where they would be normally; the bottom and top are in a - different co-ordinate system. */ - Lisp_Object start, end; - - /* If the scroll bar handle is currently being dragged by the user, - this is the number of pixels from the top of the handle to the - place where the user grabbed it. If the handle isn't currently - being dragged, this is Qnil. */ - Lisp_Object dragging; -}; - -/* The number of elements a vector holding a struct scroll_bar needs. */ -#define SCROLL_BAR_VEC_SIZE \ - ((sizeof (struct scroll_bar) \ - - sizeof (EMACS_INT) - sizeof (struct Lisp_Vector *)) \ - / sizeof (Lisp_Object)) - -/* Turning a lisp vector value into a pointer to a struct scroll_bar. */ -#define XSCROLL_BAR(vec) ((struct scroll_bar *) XVECTOR (vec)) - - -/* Building a 32-bit C integer from two 16-bit lisp integers. */ -#define SCROLL_BAR_PACK(low, high) (XINT (high) << 16 | XINT (low)) - -/* Setting two lisp integers to the low and high words of a 32-bit C int. */ -#define SCROLL_BAR_UNPACK(low, high, int32) \ - (XSETINT ((low), (int32) & 0xffff), \ - XSETINT ((high), ((int32) >> 16) & 0xffff)) - - -/* Extract the X window id of the scroll bar from a struct scroll_bar. */ -#define SCROLL_BAR_X_WINDOW(ptr) \ - ((Window) SCROLL_BAR_PACK ((ptr)->x_window_low, (ptr)->x_window_high)) - -/* Store a window id in a struct scroll_bar. */ -#define SET_SCROLL_BAR_X_WINDOW(ptr, id) \ - (SCROLL_BAR_UNPACK ((ptr)->x_window_low, (ptr)->x_window_high, (int) id)) - - -/* Return the outside pixel height for a vertical scroll bar HEIGHT - rows high on frame F. */ -#define VERTICAL_SCROLL_BAR_PIXEL_HEIGHT(f, height) \ - ((height) * (f)->output_data.x->line_height) - -/* Return the inside width of a vertical scroll bar, given the outside - width. */ -#define VERTICAL_SCROLL_BAR_INSIDE_WIDTH(f, width) \ - ((width) \ - - VERTICAL_SCROLL_BAR_LEFT_BORDER \ - - VERTICAL_SCROLL_BAR_RIGHT_BORDER \ - - VERTICAL_SCROLL_BAR_WIDTH_TRIM * 2) - -/* Return the length of the rectangle within which the top of the - handle must stay. This isn't equivalent to the inside height, - because the scroll bar handle has a minimum height. - - This is the real range of motion for the scroll bar, so when we're - scaling buffer positions to scroll bar positions, we use this, not - VERTICAL_SCROLL_BAR_INSIDE_HEIGHT. */ -#define VERTICAL_SCROLL_BAR_TOP_RANGE(f, height) \ - (VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (f, height) - VERTICAL_SCROLL_BAR_MIN_HANDLE) - -/* Return the inside height of vertical scroll bar, given the outside - height. See VERTICAL_SCROLL_BAR_TOP_RANGE too. */ -#define VERTICAL_SCROLL_BAR_INSIDE_HEIGHT(f, height) \ - ((height) - VERTICAL_SCROLL_BAR_TOP_BORDER - VERTICAL_SCROLL_BAR_BOTTOM_BORDER) - - -/* Border widths for scroll bars. - - Scroll bar windows don't have any X borders; their border width is - set to zero, and we redraw borders ourselves. This makes the code - a bit cleaner, since we don't have to convert between outside width - (used when relating to the rest of the screen) and inside width - (used when sizing and drawing the scroll bar window itself). - - The handle moves up and down/back and forth in a rectangle inset - from the edges of the scroll bar. These are widths by which we - inset the handle boundaries from the scroll bar edges. */ -#define VERTICAL_SCROLL_BAR_LEFT_BORDER (2) -#define VERTICAL_SCROLL_BAR_RIGHT_BORDER (2) -#define VERTICAL_SCROLL_BAR_TOP_BORDER (2) -#define VERTICAL_SCROLL_BAR_BOTTOM_BORDER (2) - -/* Minimum lengths for scroll bar handles, in pixels. */ -#define VERTICAL_SCROLL_BAR_MIN_HANDLE (5) - -/* Trimming off a few pixels from each side prevents - text from glomming up against the scroll bar */ -#define VERTICAL_SCROLL_BAR_WIDTH_TRIM (2) - - -/* Manipulating pixel sizes and character sizes. - Knowledge of which factors affect the overall size of the window should - be hidden in these macros, if that's possible. - - Return the upper/left pixel position of the character cell on frame F - at ROW/COL. */ -#define CHAR_TO_PIXEL_ROW(f, row) \ - ((f)->output_data.x->internal_border_width \ - + (row) * (f)->output_data.x->line_height) -#define CHAR_TO_PIXEL_COL(f, col) \ - ((f)->output_data.x->internal_border_width \ - + (col) * FONT_WIDTH ((f)->output_data.x->font)) - -/* Return the pixel width/height of frame F if it has - WIDTH columns/HEIGHT rows. */ -#define CHAR_TO_PIXEL_WIDTH(f, width) \ - (CHAR_TO_PIXEL_COL (f, width) \ - + (f)->output_data.x->vertical_scroll_bar_extra \ - + (f)->output_data.x->internal_border_width) -#define CHAR_TO_PIXEL_HEIGHT(f, height) \ - (CHAR_TO_PIXEL_ROW (f, height) \ - + (f)->output_data.x->internal_border_width) - - -/* Return the row/column (zero-based) of the character cell containing - the pixel on FRAME at ROW/COL. */ -#define PIXEL_TO_CHAR_ROW(f, row) \ - (((row) - (f)->output_data.x->internal_border_width) \ - / (f)->output_data.x->line_height) -#define PIXEL_TO_CHAR_COL(f, col) \ - (((col) - (f)->output_data.x->internal_border_width) \ - / FONT_WIDTH ((f)->output_data.x->font)) - -/* How many columns/rows of text can we fit in WIDTH/HEIGHT pixels on - frame F? */ -#define PIXEL_TO_CHAR_WIDTH(f, width) \ - (PIXEL_TO_CHAR_COL (f, ((width) \ - - (f)->output_data.x->internal_border_width \ - - (f)->output_data.x->vertical_scroll_bar_extra))) -#define PIXEL_TO_CHAR_HEIGHT(f, height) \ - (PIXEL_TO_CHAR_ROW (f, ((height) \ - - (f)->output_data.x->internal_border_width))) - -/* If a struct input_event has a kind which is selection_request_event - or selection_clear_event, then its contents are really described - by this structure. */ - -/* For an event of kind selection_request_event, - this structure really describes the contents. - **Don't make this struct longer!** - If it overlaps the frame_or_window field of struct input_event, - that will cause GC to crash. */ -struct selection_input_event -{ - int kind; - Display *display; - /* We spell it with an "o" here because X does. */ - Window requestor; - Atom selection, target, property; - Time time; -}; - -#define SELECTION_EVENT_DISPLAY(eventp) \ - (((struct selection_input_event *) (eventp))->display) -/* We spell it with an "o" here because X does. */ -#define SELECTION_EVENT_REQUESTOR(eventp) \ - (((struct selection_input_event *) (eventp))->requestor) -#define SELECTION_EVENT_SELECTION(eventp) \ - (((struct selection_input_event *) (eventp))->selection) -#define SELECTION_EVENT_TARGET(eventp) \ - (((struct selection_input_event *) (eventp))->target) -#define SELECTION_EVENT_PROPERTY(eventp) \ - (((struct selection_input_event *) (eventp))->property) -#define SELECTION_EVENT_TIME(eventp) \ - (((struct selection_input_event *) (eventp))->time) - - -/* Interface to the face code functions. */ - -/* Create the first two computed faces for a frame -- the ones that - have GC's. */ -extern void init_frame_faces (/* FRAME_PTR */); - -/* Free the resources for the faces associated with a frame. */ -extern void free_frame_faces (/* FRAME_PTR */); - -/* Given a computed face, find or make an equivalent display face - in face_vector, and return a pointer to it. */ -extern struct face *intern_face (/* FRAME_PTR, struct face * */); - -/* Given a frame and a face name, return the face's ID number, or - zero if it isn't a recognized face name. */ -extern int face_name_id_number (/* FRAME_PTR, Lisp_Object */); - -/* Return non-zero if FONT1 and FONT2 have the same size bounding box. - We assume that they're both character-cell fonts. */ -extern int same_size_fonts (/* XFontStruct *, XFontStruct * */); - -/* Recompute the GC's for the default and modeline faces. - We call this after changing frame parameters on which those GC's - depend. */ -extern void recompute_basic_faces (/* FRAME_PTR */); - -/* Return the face ID associated with a buffer position POS. Store - into *ENDPTR the next position at which a different face is - needed. This does not take account of glyphs that specify their - own face codes. F is the frame in use for display, and W is a - window displaying the current buffer. - - REGION_BEG, REGION_END delimit the region, so it can be highlighted. */ -extern int compute_char_face (/* FRAME_PTR frame, - struct window *w, - int pos, - int region_beg, int region_end, - int *endptr */); -/* Return the face ID to use to display a special glyph which selects - FACE_CODE as the face ID, assuming that ordinarily the face would - be BASIC_FACE. F is the frame. */ -extern int compute_glyph_face (/* FRAME_PTR, int */); |