diff options
author | Havoc Pennington <hp@redhat.com> | 2000-09-30 00:17:22 +0000 |
---|---|---|
committer | Havoc Pennington <hp@src.gnome.org> | 2000-09-30 00:17:22 +0000 |
commit | 244996ffec3b76c4cbef2e9684c0557ffed7e8fa (patch) | |
tree | 01acf82d5b49070fe08ad77e7b140d21c4465797 /gtk/gtktextchild.c | |
parent | 0415b69e76b5d2d3bb8adecb6cf19974281b597c (diff) | |
download | gtk+-244996ffec3b76c4cbef2e9684c0557ffed7e8fa.tar.gz |
fix indentation
2000-09-29 Havoc Pennington <hp@redhat.com>
* gtk/gtktexttag.c (gtk_text_tag_set_priority): fix indentation
* gtk/gtktextview.c: Implement drag thresholding; change functions
that set border window size to have nicer name
(gtk_text_view_mark_set_handler): Fix this to have the
right signature.
* gtk/testtextbuffer.c (fill_buffer): Update with pixbuf changes
* gtk/testtext.c: Update with API changes, put line numbers on
both sides.
* gtk/gtktextiter.c (gtk_text_iter_get_pixbuf): Replace get_pixmap
with this
* gtk/gtktextchild.h, gtk/gtktextchild.c: replace all pixmap with
pixbuf; delete a big block of #if 0 Tk code
* gtk/gtktextbuffer.c (gtk_text_buffer_insert_pixbuf): Replace
insert_pixmap with insert_pixbuf
Diffstat (limited to 'gtk/gtktextchild.c')
-rw-r--r-- | gtk/gtktextchild.c | 1218 |
1 files changed, 25 insertions, 1193 deletions
diff --git a/gtk/gtktextchild.c b/gtk/gtktextchild.c index 8e9c815f12..cde111384d 100644 --- a/gtk/gtktextchild.c +++ b/gtk/gtktextchild.c @@ -52,23 +52,20 @@ #include "gtktextbtree.h" static GtkTextLineSegment * -pixmap_segment_cleanup_func(GtkTextLineSegment *seg, - GtkTextLine *line) +pixbuf_segment_cleanup_func (GtkTextLineSegment *seg, + GtkTextLine *line) { /* nothing */ return seg; } static int -pixmap_segment_delete_func(GtkTextLineSegment *seg, - GtkTextLine *line, - gboolean tree_gone) +pixbuf_segment_delete_func(GtkTextLineSegment *seg, + GtkTextLine *line, + gboolean tree_gone) { - if (seg->body.pixmap.pixmap) - gdk_pixmap_unref(seg->body.pixmap.pixmap); - - if (seg->body.pixmap.mask) - gdk_bitmap_unref(seg->body.pixmap.mask); + if (seg->body.pixbuf.pixbuf) + g_object_unref(G_OBJECT (seg->body.pixbuf.pixbuf)); g_free(seg); @@ -76,28 +73,28 @@ pixmap_segment_delete_func(GtkTextLineSegment *seg, } static void -pixmap_segment_check_func(GtkTextLineSegment *seg, - GtkTextLine *line) +pixbuf_segment_check_func(GtkTextLineSegment *seg, + GtkTextLine *line) { if (seg->next == NULL) - g_error("pixmap segment is the last segment in a line"); + g_error("pixbuf segment is the last segment in a line"); if (seg->byte_count != 3) - g_error("pixmap segment has byte count of %d", seg->byte_count); - + g_error("pixbuf segment has byte count of %d", seg->byte_count); + if (seg->char_count != 1) - g_error("pixmap segment has char count of %d", seg->char_count); + g_error("pixbuf segment has char count of %d", seg->char_count); } -GtkTextLineSegmentClass gtk_text_pixmap_type = { - "pixmap", /* name */ +GtkTextLineSegmentClass gtk_text_pixbuf_type = { + "pixbuf", /* name */ 0, /* leftGravity */ NULL, /* splitFunc */ - pixmap_segment_delete_func, /* deleteFunc */ - pixmap_segment_cleanup_func, /* cleanupFunc */ + pixbuf_segment_delete_func, /* deleteFunc */ + pixbuf_segment_cleanup_func, /* cleanupFunc */ NULL, /* lineChangeFunc */ - pixmap_segment_check_func /* checkFunc */ + pixbuf_segment_check_func /* checkFunc */ }; @@ -113,17 +110,17 @@ GtkTextLineSegmentClass gtk_text_view_child_type = { }; #endif -#define PIXMAP_SEG_SIZE ((unsigned) (G_STRUCT_OFFSET(GtkTextLineSegment, body) \ - + sizeof(GtkTextPixmap))) +#define PIXBUF_SEG_SIZE ((unsigned) (G_STRUCT_OFFSET(GtkTextLineSegment, body) \ + + sizeof(GtkTextPixbuf))) GtkTextLineSegment * -gtk_text_pixmap_segment_new(GdkPixmap *pixmap, GdkBitmap *mask) +gtk_text_pixbuf_segment_new (GdkPixbuf *pixbuf) { GtkTextLineSegment *seg; - seg = g_malloc(PIXMAP_SEG_SIZE); + seg = g_malloc(PIXBUF_SEG_SIZE); - seg->type = >k_text_pixmap_type; + seg->type = >k_text_pixbuf_type; seg->next = NULL; @@ -131,1174 +128,9 @@ gtk_text_pixmap_segment_new(GdkPixmap *pixmap, GdkBitmap *mask) a 3-byte sequence in UTF-8 */ seg->char_count = 1; - seg->body.pixmap.pixmap = pixmap; - seg->body.pixmap.mask = mask; - - if (pixmap) - gdk_pixmap_ref(pixmap); + seg->body.pixbuf.pixbuf = pixbuf; - if (mask) - gdk_bitmap_ref(mask); + g_object_ref (G_OBJECT (pixbuf)); return seg; } - -#if 0 - -/* - * The following structure is the official type record for the - * embedded window geometry manager: - */ - -static void EmbWinRequestFunc _ANSI_ARGS_((gpointer clientData, - Tk_Window tkwin)); -static void EmbWinLostSlaveFunc _ANSI_ARGS_((gpointer clientData, - Tk_Window tkwin)); - -static Tk_GeomMgr textGeomType = { - "text", /* name */ - EmbWinRequestFunc, /* requestFunc */ - EmbWinLostSlaveFunc, /* lostSlaveFunc */ -}; - -/* - * Definitions for alignment values: - */ - -#define ALIGN_BOTTOM 0 -#define ALIGN_CENTER 1 -#define ALIGN_TOP 2 -#define ALIGN_BASELINE 3 - -/* - * Macro that determines the size of an embedded window segment: - */ - -#define EW_SEG_SIZE ((unsigned) (G_STRUCT_OFFSET(GtkTextLineSegment, body) \ - + sizeof(GtkTextEmbWindow))) - -/* - * Prototypes for procedures defined in this file: - */ - -static int AlignParseFunc _ANSI_ARGS_((gpointer clientData, - Tcl_Interp *interp, Tk_Window tkwin, char *value, - char *widgRec, int offset)); -static char * AlignPrintFunc _ANSI_ARGS_((gpointer clientData, - Tk_Window tkwin, char *widgRec, int offset, - Tcl_FreeFunc **freeFuncPtr)); -static GtkTextLineSegment * EmbWinCleanupFunc _ANSI_ARGS_((GtkTextLineSegment *segPtr, - GtkTextLine *line)); -static void EmbWinCheckFunc _ANSI_ARGS_((GtkTextLineSegment *segPtr, - GtkTextLine *line)); -static void EmbWinBboxFunc _ANSI_ARGS_((GtkTextDisplayChunk *chunkPtr, - int index, int y, int lineHeight, int baseline, - int *xPtr, int *yPtr, int *widthPtr, - int *heightPtr)); -static int EmbWinConfigure _ANSI_ARGS_((GtkTextView *tkxt, - GtkTextLineSegment *ewPtr, int argc, char **argv)); -static void EmbWinDelayedUnmap _ANSI_ARGS_(( - gpointer clientData)); -static int EmbWinDeleteFunc _ANSI_ARGS_((GtkTextLineSegment *segPtr, - GtkTextLine *line, int treeGone)); -static void EmbWinDisplayFunc _ANSI_ARGS_(( - GtkTextDisplayChunk *chunkPtr, int x, int y, - int lineHeight, int baseline, Display *display, - Drawable dst, int screenY)); -static int EmbWinLayoutFunc _ANSI_ARGS_((GtkTextView *tkxt, - GtkTextIndex *indexPtr, GtkTextLineSegment *segPtr, - int offset, int maxX, int maxChars, - int noCharsYet, GtkWrapMode wrapMode, - GtkTextDisplayChunk *chunkPtr)); -static void EmbWinStructureFunc _ANSI_ARGS_((gpointer clientData, - XEvent *eventPtr)); -static void EmbWinUndisplayFunc _ANSI_ARGS_((GtkTextView *tkxt, - GtkTextDisplayChunk *chunkPtr)); - -/* - * The following structure declares the "embedded window" segment type. - */ - -static GtkTextLineSegmentClass tkTextEmbWindowType = { - "window", /* name */ - 0, /* leftGravity */ - (GtkTextLineSegmentSplitFunc *) NULL, /* splitFunc */ - EmbWinDeleteFunc, /* deleteFunc */ - EmbWinCleanupFunc, /* cleanupFunc */ - (GtkTextLineSegmentLineChangeFunc *) NULL, /* lineChangeFunc */ - EmbWinLayoutFunc, /* layoutFunc */ - EmbWinCheckFunc /* checkFunc */ -}; - -/* - * Information used for parsing window configuration options: - */ - -static Tk_CustomOption alignOption = {AlignParseFunc, AlignPrintFunc, - (gpointer) NULL}; - -static Tk_ConfigSpec configSpecs[] = { - {TK_CONFIG_CUSTOM, "-align", (char *) NULL, (char *) NULL, - "center", 0, TK_CONFIG_DONT_SET_DEFAULT, &alignOption}, - {TK_CONFIG_STRING, "-create", (char *) NULL, (char *) NULL, - (char *) NULL, G_STRUCT_OFFSET(GtkTextEmbWindow, create), - TK_CONFIG_DONT_SET_DEFAULT|TK_CONFIG_NULL_OK}, - {TK_CONFIG_INT, "-padx", (char *) NULL, (char *) NULL, - "0", G_STRUCT_OFFSET(GtkTextEmbWindow, padX), - TK_CONFIG_DONT_SET_DEFAULT}, - {TK_CONFIG_INT, "-pady", (char *) NULL, (char *) NULL, - "0", G_STRUCT_OFFSET(GtkTextEmbWindow, padY), - TK_CONFIG_DONT_SET_DEFAULT}, - {TK_CONFIG_BOOLEAN, "-stretch", (char *) NULL, (char *) NULL, - "0", G_STRUCT_OFFSET(GtkTextEmbWindow, stretch), - TK_CONFIG_DONT_SET_DEFAULT}, - {TK_CONFIG_WINDOW, "-window", (char *) NULL, (char *) NULL, - (char *) NULL, G_STRUCT_OFFSET(GtkTextEmbWindow, tkwin), - TK_CONFIG_DONT_SET_DEFAULT|TK_CONFIG_NULL_OK}, - {TK_CONFIG_END, (char *) NULL, (char *) NULL, (char *) NULL, - (char *) NULL, 0, 0} -}; - -/* - *-------------------------------------------------------------- - * - * GtkTextViewWindowCmd -- - * - * This procedure implements the "window" widget command - * for text widgets. See the user documentation for details - * on what it does. - * - * Results: - * A standard Tcl result or error. - * - * Side effects: - * See the user documentation. - * - *-------------------------------------------------------------- - */ - -int -GtkTextViewWindowCmd(tkxt, interp, argc, argv) - GtkTextView *tkxt; /* Information about text widget. */ - Tcl_Interp *interp; /* Current interpreter. */ - int argc; /* Number of arguments. */ - char **argv; /* Argument strings. Someone else has already - * parsed this command enough to know that - * argv[1] is "window". */ -{ - size_t length; - GtkTextLineSegment *ewPtr; - - if (argc < 3) { - Tcl_AppendResult(interp, "wrong # args: should be \"", - argv[0], " window option ?arg arg ...?\"", (char *) NULL); - return TCL_ERROR; - } - length = strlen(argv[2]); - if ((strncmp(argv[2], "cget", length) == 0) && (length >= 2)) { - GtkTextIndex index; - GtkTextLineSegment *ewPtr; - - if (argc != 5) { - Tcl_AppendResult(interp, "wrong # args: should be \"", - argv[0], " window cget index option\"", - (char *) NULL); - return TCL_ERROR; - } - if (gtk_text_btree_index_from_string(interp, tkxt, argv[3], &index) != TCL_OK) { - return TCL_ERROR; - } - ewPtr = gtk_text_view_index_to_seg(&index, (int *) NULL); - if (ewPtr->type != &tkTextEmbWindowType) { - Tcl_AppendResult(interp, "no embedded window at index \"", - argv[3], "\"", (char *) NULL); - return TCL_ERROR; - } - return Tk_ConfigureValue(interp, tkxt->tkwin, configSpecs, - (char *) &ewPtr->body.ew, argv[4], 0); - } else if ((strncmp(argv[2], "configure", length) == 0) && (length >= 2)) { - GtkTextIndex index; - GtkTextLineSegment *ewPtr; - - if (argc < 4) { - Tcl_AppendResult(interp, "wrong # args: should be \"", - argv[0], " window configure index ?option value ...?\"", - (char *) NULL); - return TCL_ERROR; - } - if (gtk_text_btree_index_from_string(interp, tkxt, argv[3], &index) != TCL_OK) { - return TCL_ERROR; - } - ewPtr = gtk_text_view_index_to_seg(&index, (int *) NULL); - if (ewPtr->type != &tkTextEmbWindowType) { - Tcl_AppendResult(interp, "no embedded window at index \"", - argv[3], "\"", (char *) NULL); - return TCL_ERROR; - } - if (argc == 4) { - return Tk_ConfigureInfo(interp, tkxt->tkwin, configSpecs, - (char *) &ewPtr->body.ew, (char *) NULL, 0); - } else if (argc == 5) { - return Tk_ConfigureInfo(interp, tkxt->tkwin, configSpecs, - (char *) &ewPtr->body.ew, argv[4], 0); - } else { - gtk_text_buffer_need_redisplay(tree->buffer, &index, &index); - return EmbWinConfigure(tkxt, ewPtr, argc-4, argv+4); - } - } else if ((strncmp(argv[2], "create", length) == 0) && (length >= 2)) { - GtkTextIndex index; - int lineIndex; - - /* - * Add a new window. Find where to put the new window, and - * mark that position for redisplay. - */ - - if (argc < 4) { - Tcl_AppendResult(interp, "wrong # args: should be \"", - argv[0], " window create index ?option value ...?\"", - (char *) NULL); - return TCL_ERROR; - } - if (gtk_text_btree_index_from_string(interp, tkxt, argv[3], &index) != TCL_OK) { - return TCL_ERROR; - } - - /* - * Don't allow insertions on the last (dummy) line of the text. - */ - - lineIndex = gtk_text_btree_line_number(index.line); - if (lineIndex == gtk_text_btree_num_lines(tkxt->tree)) { - lineIndex--; - gtk_text_btree_get_line_byte_index(tkxt->tree, lineIndex, G_MAXINT, &index); - } - - /* - * Create the new window segment and initialize it. - */ - - ewPtr = (GtkTextLineSegment *) g_malloc(EW_SEG_SIZE); - ewPtr->type = &tkTextEmbWindowType; - ewPtr->size = 1; - ewPtr->body.ew.tkxt = tkxt; - ewPtr->body.ew.line = NULL; - ewPtr->body.ew.tkwin = NULL; - ewPtr->body.ew.create = NULL; - ewPtr->body.ew.align = ALIGN_CENTER; - ewPtr->body.ew.padX = ewPtr->body.ew.padY = 0; - ewPtr->body.ew.stretch = 0; - ewPtr->body.ew.chunkCount = 0; - ewPtr->body.ew.displayed = 0; - - /* - * Link the segment into the text widget, then configure it (delete - * it again if the configuration fails). - */ - - gtk_text_buffer_need_redisplay(tkxt, &index, &index); - gtk_text_btree_link_segment(ewPtr, &index); - if (EmbWinConfigure(tkxt, ewPtr, argc-4, argv+4) != TCL_OK) { - GtkTextIndex index2; - - gtk_text_view_index_forw_chars(&index, 1, &index2); - gtk_text_btree_delete_chars(&index, &index2); - return TCL_ERROR; - } - } else if (strncmp(argv[2], "names", length) == 0) { - Tcl_HashSearch search; - Tcl_HashEntry *hPtr; - - if (argc != 3) { - Tcl_AppendResult(interp, "wrong # args: should be \"", - argv[0], " window names\"", (char *) NULL); - return TCL_ERROR; - } - for (hPtr = Tcl_FirstHashEntry(&tkxt->windowTable, &search); - hPtr != NULL; hPtr = Tcl_NextHashEntry(&search)) { - Tcl_AppendElement(interp, - Tcl_GetHashKey(&tkxt->markTable, hPtr)); - } - } else { - Tcl_AppendResult(interp, "bad window option \"", argv[2], - "\": must be cget, configure, create, or names", - (char *) NULL); - return TCL_ERROR; - } - return TCL_OK; -} - -/* - *-------------------------------------------------------------- - * - * EmbWinConfigure -- - * - * This procedure is called to handle configuration options - * for an embedded window, using an argc/argv list. - * - * Results: - * The return value is a standard Tcl result. If TCL_ERROR is - * returned, then the interp's result contains an error message.. - * - * Side effects: - * Configuration information for the embedded window changes, - * such as alignment, stretching, or name of the embedded - * window. - * - *-------------------------------------------------------------- - */ - -static int -EmbWinConfigure(tkxt, ewPtr, argc, argv) - GtkTextView *tkxt; /* Information about text widget that - * contains embedded window. */ - GtkTextLineSegment *ewPtr; /* Embedded window to be configured. */ - int argc; /* Number of strings in argv. */ - char **argv; /* Array of strings describing configuration - * options. */ -{ - Tk_Window oldWindow; - Tcl_HashEntry *hPtr; - int new; - - oldWindow = ewPtr->body.ew.tkwin; - if (Tk_ConfigureWidget(tkxt->interp, tkxt->tkwin, configSpecs, - argc, argv, (char *) &ewPtr->body.ew, TK_CONFIG_ARGV_ONLY) - != TCL_OK) { - return TCL_ERROR; - } - if (oldWindow != ewPtr->body.ew.tkwin) { - if (oldWindow != NULL) { - Tcl_DeleteHashEntry(Tcl_FindHashEntry(&tkxt->windowTable, - Tk_PathName(oldWindow))); - Tk_DeleteEventHandler(oldWindow, StructureNotifyMask, - EmbWinStructureFunc, (gpointer) ewPtr); - Tk_ManageGeometry(oldWindow, (Tk_GeomMgr *) NULL, - (gpointer) NULL); - if (tkxt->tkwin != Tk_Parent(oldWindow)) { - Tk_UnmaintainGeometry(oldWindow, tkxt->tkwin); - } else { - Tk_UnmapWindow(oldWindow); - } - } - if (ewPtr->body.ew.tkwin != NULL) { - Tk_Window ancestor, parent; - - /* - * Make sure that the text is either the parent of the - * embedded window or a descendant of that parent. Also, - * don't allow a top-level window to be managed inside - * a text. - */ - - parent = Tk_Parent(ewPtr->body.ew.tkwin); - for (ancestor = tkxt->tkwin; ; - ancestor = Tk_Parent(ancestor)) { - if (ancestor == parent) { - break; - } - if (Tk_IsTopLevel(ancestor)) { - badMaster: - Tcl_AppendResult(tkxt->interp, "can't embed ", - Tk_PathName(ewPtr->body.ew.tkwin), " in ", - Tk_PathName(tkxt->tkwin), (char *) NULL); - ewPtr->body.ew.tkwin = NULL; - return TCL_ERROR; - } - } - if (Tk_IsTopLevel(ewPtr->body.ew.tkwin) - || (ewPtr->body.ew.tkwin == tkxt->tkwin)) { - goto badMaster; - } - - /* - * Take over geometry management for the window, plus create - * an event handler to find out when it is deleted. - */ - - Tk_ManageGeometry(ewPtr->body.ew.tkwin, &textGeomType, - (gpointer) ewPtr); - Tk_CreateEventHandler(ewPtr->body.ew.tkwin, StructureNotifyMask, - EmbWinStructureFunc, (gpointer) ewPtr); - - /* - * Special trick! Must enter into the hash table *after* - * calling Tk_ManageGeometry: if the window was already managed - * elsewhere in this text, the Tk_ManageGeometry call will cause - * the entry to be removed, which could potentially lose the new - * entry. - */ - - hPtr = Tcl_CreateHashEntry(&tkxt->windowTable, - Tk_PathName(ewPtr->body.ew.tkwin), &new); - Tcl_SetHashValue(hPtr, ewPtr); - - } - } - return TCL_OK; -} - -/* - *-------------------------------------------------------------- - * - * AlignParseFunc -- - * - * This procedure is invoked by Tk_ConfigureWidget during - * option processing to handle "-align" options for embedded - * windows. - * - * Results: - * A standard Tcl return value. - * - * Side effects: - * The alignment for the embedded window may change. - * - *-------------------------------------------------------------- - */ - - /* ARGSUSED */ -static int -AlignParseFunc(clientData, interp, tkwin, value, widgRec, offset) - gpointer clientData; /* Not used.*/ - Tcl_Interp *interp; /* Used for reporting errors. */ - Tk_Window tkwin; /* Window for text widget. */ - char *value; /* Value of option. */ - char *widgRec; /* Pointer to GtkTextEmbWindow - * structure. */ - int offset; /* Offset into item (ignored). */ -{ - GtkTextEmbWindow *embPtr = (GtkTextEmbWindow *) widgRec; - - if (strcmp(value, "baseline") == 0) { - embPtr->align = ALIGN_BASELINE; - } else if (strcmp(value, "bottom") == 0) { - embPtr->align = ALIGN_BOTTOM; - } else if (strcmp(value, "center") == 0) { - embPtr->align = ALIGN_CENTER; - } else if (strcmp(value, "top") == 0) { - embPtr->align = ALIGN_TOP; - } else { - Tcl_AppendResult(interp, "bad alignment \"", value, - "\": must be baseline, bottom, center, or top", - (char *) NULL); - return TCL_ERROR; - } - return TCL_OK; -} - -/* - *-------------------------------------------------------------- - * - * AlignPrintFunc -- - * - * This procedure is invoked by the Tk configuration code - * to produce a printable string for the "-align" configuration - * option for embedded windows. - * - * Results: - * The return value is a string describing the embedded - * window's current alignment. - * - * Side effects: - * None. - * - *-------------------------------------------------------------- - */ - - /* ARGSUSED */ -static char * -AlignPrintFunc(clientData, tkwin, widgRec, offset, freeFuncPtr) - gpointer clientData; /* Ignored. */ - Tk_Window tkwin; /* Window for text widget. */ - char *widgRec; /* Pointer to GtkTextEmbWindow - * structure. */ - int offset; /* Ignored. */ - Tcl_FreeFunc **freeFuncPtr; /* Pointer to variable to fill in with - * information about how to reclaim - * storage for return string. */ -{ - switch (((GtkTextEmbWindow *) widgRec)->align) { - case ALIGN_BASELINE: - return "baseline"; - case ALIGN_BOTTOM: - return "bottom"; - case ALIGN_CENTER: - return "center"; - case ALIGN_TOP: - return "top"; - default: - return "??"; - } -} - -/* - *-------------------------------------------------------------- - * - * EmbWinStructureFunc -- - * - * This procedure is invoked by the Tk event loop whenever - * StructureNotify events occur for a window that's embedded - * in a text widget. This procedure's only purpose is to - * clean up when windows are deleted. - * - * Results: - * None. - * - * Side effects: - * The window is disassociated from the window segment, and - * the portion of the text is redisplayed. - * - *-------------------------------------------------------------- - */ - -static void -EmbWinStructureFunc(clientData, eventPtr) - gpointer clientData; /* Pointer to record describing window item. */ - XEvent *eventPtr; /* Describes what just happened. */ -{ - GtkTextLineSegment *ewPtr = (GtkTextLineSegment *) clientData; - GtkTextIndex index; - - if (eventPtr->type != DestroyNotify) { - return; - } - - Tcl_DeleteHashEntry(Tcl_FindHashEntry(&ewPtr->body.ew.tkxt->windowTable, - Tk_PathName(ewPtr->body.ew.tkwin))); - ewPtr->body.ew.tkwin = NULL; - index.tree = ewPtr->body.ew.tkxt->tree; - index.line = ewPtr->body.ew.line; - index.byteIndex = gtk_text_line_segment_get_offset(ewPtr, ewPtr->body.ew.line); - gtk_text_buffer_need_redisplay(ewPtr->body.ew.tkxt, &index, &index); -} - -/* - *-------------------------------------------------------------- - * - * EmbWinRequestFunc -- - * - * This procedure is invoked whenever a window that's associated - * with a window canvas item changes its requested dimensions. - * - * Results: - * None. - * - * Side effects: - * The size and location on the screen of the window may change, - * depending on the options specified for the window item. - * - *-------------------------------------------------------------- - */ - - /* ARGSUSED */ -static void -EmbWinRequestFunc(clientData, tkwin) - gpointer clientData; /* Pointer to record for window item. */ - Tk_Window tkwin; /* Window that changed its desired - * size. */ -{ - GtkTextLineSegment *ewPtr = (GtkTextLineSegment *) clientData; - GtkTextIndex index; - - index.tree = ewPtr->body.ew.tkxt->tree; - index.line = ewPtr->body.ew.line; - index.byteIndex = gtk_text_line_segment_get_offset(ewPtr, ewPtr->body.ew.line); - gtk_text_buffer_need_redisplay(ewPtr->body.ew.tkxt, &index, &index); -} - -/* - *-------------------------------------------------------------- - * - * EmbWinLostSlaveFunc -- - * - * This procedure is invoked by the Tk geometry manager when - * a slave window managed by a text widget is claimed away - * by another geometry manager. - * - * Results: - * None. - * - * Side effects: - * The window is disassociated from the window segment, and - * the portion of the text is redisplayed. - * - *-------------------------------------------------------------- - */ - -static void -EmbWinLostSlaveFunc(clientData, tkwin) - gpointer clientData; /* Pointer to record describing window item. */ - Tk_Window tkwin; /* Window that was claimed away by another - * geometry manager. */ -{ - GtkTextLineSegment *ewPtr = (GtkTextLineSegment *) clientData; - GtkTextIndex index; - - Tk_DeleteEventHandler(ewPtr->body.ew.tkwin, StructureNotifyMask, - EmbWinStructureFunc, (gpointer) ewPtr); - Tcl_CancelIdleCall(EmbWinDelayedUnmap, (gpointer) ewPtr); - if (ewPtr->body.ew.tkxt->tkwin != Tk_Parent(tkwin)) { - Tk_UnmaintainGeometry(tkwin, ewPtr->body.ew.tkxt->tkwin); - } else { - Tk_UnmapWindow(tkwin); - } - Tcl_DeleteHashEntry(Tcl_FindHashEntry(&ewPtr->body.ew.tkxt->windowTable, - Tk_PathName(ewPtr->body.ew.tkwin))); - ewPtr->body.ew.tkwin = NULL; - index.tree = ewPtr->body.ew.tkxt->tree; - index.line = ewPtr->body.ew.line; - index.byteIndex = gtk_text_line_segment_get_offset(ewPtr, ewPtr->body.ew.line); - gtk_text_buffer_need_redisplay(ewPtr->body.ew.tkxt, &index, &index); -} - -/* - *-------------------------------------------------------------- - * - * EmbWinDeleteFunc -- - * - * This procedure is invoked by the text B-tree code whenever - * an embedded window lies in a range of characters being deleted. - * - * Results: - * Returns 0 to indicate that the deletion has been accepted. - * - * Side effects: - * The embedded window is deleted, if it exists, and any resources - * associated with it are released. - * - *-------------------------------------------------------------- - */ - - /* ARGSUSED */ -static int -EmbWinDeleteFunc(ewPtr, line, treeGone) - GtkTextLineSegment *ewPtr; /* Segment being deleted. */ - GtkTextLine *line; /* Line containing segment. */ - int treeGone; /* Non-zero means the entire tree is - * being deleted, so everything must - * get cleaned up. */ -{ - Tcl_HashEntry *hPtr; - - if (ewPtr->body.ew.tkwin != NULL) { - hPtr = Tcl_FindHashEntry(&ewPtr->body.ew.tkxt->windowTable, - Tk_PathName(ewPtr->body.ew.tkwin)); - if (hPtr != NULL) { - /* - * (It's possible for there to be no hash table entry for this - * window, if an error occurred while creating the window segment - * but before the window got added to the table) - */ - - Tcl_DeleteHashEntry(hPtr); - } - - /* - * Delete the event handler for the window before destroying - * the window, so that EmbWinStructureFunc doesn't get called - * (we'll already do everything that it would have done, and - * it will just get confused). - */ - - Tk_DeleteEventHandler(ewPtr->body.ew.tkwin, StructureNotifyMask, - EmbWinStructureFunc, (gpointer) ewPtr); - Tk_DestroyWindow(ewPtr->body.ew.tkwin); - } - Tcl_CancelIdleCall(EmbWinDelayedUnmap, (gpointer) ewPtr); - Tk_FreeOptions(configSpecs, (char *) &ewPtr->body.ew, - ewPtr->body.ew.tkxt->display, 0); - g_free((char *) ewPtr); - return 0; -} - -/* - *-------------------------------------------------------------- - * - * EmbWinCleanupFunc -- - * - * This procedure is invoked by the B-tree code whenever a - * segment containing an embedded window is moved from one - * line to another. - * - * Results: - * None. - * - * Side effects: - * The line field of the segment gets updated. - * - *-------------------------------------------------------------- - */ - -static GtkTextLineSegment * -EmbWinCleanupFunc(ewPtr, line) - GtkTextLineSegment *ewPtr; /* Mark segment that's being moved. */ - GtkTextLine *line; /* Line that now contains segment. */ -{ - ewPtr->body.ew.line = line; - return ewPtr; -} - -/* - *-------------------------------------------------------------- - * - * EmbWinLayoutFunc -- - * - * This procedure is the "layoutFunc" for embedded window - * segments. - * - * Results: - * 1 is returned to indicate that the segment should be - * displayed. The chunkPtr structure is filled in. - * - * Side effects: - * None, except for filling in chunkPtr. - * - *-------------------------------------------------------------- - */ - - /*ARGSUSED*/ -static int -EmbWinLayoutFunc(tkxt, indexPtr, ewPtr, offset, maxX, maxChars, - noCharsYet, wrapMode, chunkPtr) - GtkTextView *tkxt; /* Text widget being layed out. */ - GtkTextIndex *indexPtr; /* Identifies first character in chunk. */ - GtkTextLineSegment *ewPtr; /* Segment corresponding to indexPtr. */ - int offset; /* Offset within segPtr corresponding to - * indexPtr (always 0). */ - int maxX; /* Chunk must not occupy pixels at this - * position or higher. */ - int maxChars; /* Chunk must not include more than this - * many characters. */ - int noCharsYet; /* Non-zero means no characters have been - * assigned to this line yet. */ - GtkWrapMode wrapMode; /* Wrap mode to use for line: GTK_WRAPMODE_CHAR, - * GTK_WRAPMODE_NONE, or GTK_WRAPMODE_WORD. */ - GtkTextDisplayChunk *chunkPtr; - /* Structure to fill in with information - * about this chunk. The x field has already - * been set by the caller. */ -{ - int width, height; - - if (offset != 0) { - panic("Non-zero offset in EmbWinLayoutFunc"); - } - - if ((ewPtr->body.ew.tkwin == NULL) && (ewPtr->body.ew.create != NULL)) { - int code, new; - Tcl_DString name; - Tk_Window ancestor; - Tcl_HashEntry *hPtr; - - /* - * The window doesn't currently exist. Create it by evaluating - * the creation script. The script must return the window's - * path name: look up that name to get back to the window - * token. Then ourselves as the geometry manager for - * the window. - */ - - code = Tcl_GlobalEval(tkxt->interp, ewPtr->body.ew.create); - if (code != TCL_OK) { - createError: - Tcl_BackgroundError(tkxt->interp); - goto gotWindow; - } - Tcl_DStringInit(&name); - Tcl_DStringAppend(&name, Tcl_GetStringResult(tkxt->interp), -1); - Tcl_ResetResult(tkxt->interp); - ewPtr->body.ew.tkwin = Tk_NameToWindow(tkxt->interp, - Tcl_DStringValue(&name), tkxt->tkwin); - if (ewPtr->body.ew.tkwin == NULL) { - goto createError; - } - for (ancestor = tkxt->tkwin; ; - ancestor = Tk_Parent(ancestor)) { - if (ancestor == Tk_Parent(ewPtr->body.ew.tkwin)) { - break; - } - if (Tk_IsTopLevel(ancestor)) { - badMaster: - Tcl_AppendResult(tkxt->interp, "can't embed ", - Tk_PathName(ewPtr->body.ew.tkwin), " relative to ", - Tk_PathName(tkxt->tkwin), (char *) NULL); - Tcl_BackgroundError(tkxt->interp); - ewPtr->body.ew.tkwin = NULL; - goto gotWindow; - } - } - if (Tk_IsTopLevel(ewPtr->body.ew.tkwin) - || (tkxt->tkwin == ewPtr->body.ew.tkwin)) { - goto badMaster; - } - Tk_ManageGeometry(ewPtr->body.ew.tkwin, &textGeomType, - (gpointer) ewPtr); - Tk_CreateEventHandler(ewPtr->body.ew.tkwin, StructureNotifyMask, - EmbWinStructureFunc, (gpointer) ewPtr); - - /* - * Special trick! Must enter into the hash table *after* - * calling Tk_ManageGeometry: if the window was already managed - * elsewhere in this text, the Tk_ManageGeometry call will cause - * the entry to be removed, which could potentially lose the new - * entry. - */ - - hPtr = Tcl_CreateHashEntry(&tkxt->windowTable, - Tk_PathName(ewPtr->body.ew.tkwin), &new); - Tcl_SetHashValue(hPtr, ewPtr); - } - - /* - * See if there's room for this window on this line. - */ - - gotWindow: - if (ewPtr->body.ew.tkwin == NULL) { - width = 0; - height = 0; - } else { - width = Tk_ReqWidth(ewPtr->body.ew.tkwin) + 2*ewPtr->body.ew.padX; - height = Tk_ReqHeight(ewPtr->body.ew.tkwin) + 2*ewPtr->body.ew.padY; - } - if ((width > (maxX - chunkPtr->x)) - && !noCharsYet && (tkxt->wrapMode != GTK_WRAPMODE_NONE)) { - return 0; - } - - /* - * Fill in the chunk structure. - */ - - chunkPtr->displayFunc = EmbWinDisplayFunc; - chunkPtr->undisplayFunc = EmbWinUndisplayFunc; - chunkPtr->measureFunc = (GtkTextViewChunkMeasureFunc *) NULL; - chunkPtr->bboxFunc = EmbWinBboxFunc; - chunkPtr->numBytes = 1; - if (ewPtr->body.ew.align == ALIGN_BASELINE) { - chunkPtr->minAscent = height - ewPtr->body.ew.padY; - chunkPtr->minDescent = ewPtr->body.ew.padY; - chunkPtr->minHeight = 0; - } else { - chunkPtr->minAscent = 0; - chunkPtr->minDescent = 0; - chunkPtr->minHeight = height; - } - chunkPtr->width = width; - chunkPtr->breakIndex = -1; - chunkPtr->breakIndex = 1; - chunkPtr->clientData = (gpointer) ewPtr; - ewPtr->body.ew.chunkCount += 1; - return 1; -} - -/* - *-------------------------------------------------------------- - * - * EmbWinCheckFunc -- - * - * This procedure is invoked by the B-tree code to perform - * consistency checks on embedded windows. - * - * Results: - * None. - * - * Side effects: - * The procedure panics if it detects anything wrong with - * the embedded window. - * - *-------------------------------------------------------------- - */ - -static void -EmbWinCheckFunc(ewPtr, line) - GtkTextLineSegment *ewPtr; /* Segment to check. */ - GtkTextLine *line; /* Line containing segment. */ -{ - if (ewPtr->next == NULL) { - panic("EmbWinCheckFunc: embedded window is last segment in line"); - } - if (ewPtr->size != 1) { - panic("EmbWinCheckFunc: embedded window has size %d", ewPtr->size); - } -} - -/* - *-------------------------------------------------------------- - * - * EmbWinDisplayFunc -- - * - * This procedure is invoked by the text displaying code - * when it is time to actually draw an embedded window - * chunk on the screen. - * - * Results: - * None. - * - * Side effects: - * The embedded window gets moved to the correct location - * and mapped onto the screen. - * - *-------------------------------------------------------------- - */ - -static void -EmbWinDisplayFunc(chunkPtr, x, y, lineHeight, baseline, display, dst, screenY) - GtkTextDisplayChunk *chunkPtr; /* Chunk that is to be drawn. */ - int x; /* X-position in dst at which to - * draw this chunk (differs from - * the x-position in the chunk because - * of scrolling). */ - int y; /* Top of rectangular bounding box - * for line: tells where to draw this - * chunk in dst (x-position is in - * the chunk itself). */ - int lineHeight; /* Total height of line. */ - int baseline; /* Offset of baseline from y. */ - Display *display; /* Display to use for drawing. */ - Drawable dst; /* Pixmap or window in which to draw */ - int screenY; /* Y-coordinate in text window that - * corresponds to y. */ -{ - GtkTextLineSegment *ewPtr = (GtkTextLineSegment *) chunkPtr->clientData; - int lineX, windowX, windowY, width, height; - Tk_Window tkwin; - - tkwin = ewPtr->body.ew.tkwin; - if (tkwin == NULL) { - return; - } - if ((x + chunkPtr->width) <= 0) { - /* - * The window is off-screen; just unmap it. - */ - - if (ewPtr->body.ew.tkxt->tkwin != Tk_Parent(tkwin)) { - Tk_UnmaintainGeometry(tkwin, ewPtr->body.ew.tkxt->tkwin); - } else { - Tk_UnmapWindow(tkwin); - } - return; - } - - /* - * Compute the window's location and size in the text widget, taking - * into account the align and stretch values for the window. - */ - - EmbWinBboxFunc(chunkPtr, 0, screenY, lineHeight, baseline, &lineX, - &windowY, &width, &height); - windowX = lineX - chunkPtr->x + x; - - if (ewPtr->body.ew.tkxt->tkwin == Tk_Parent(tkwin)) { - if ((windowX != Tk_X(tkwin)) || (windowY != Tk_Y(tkwin)) - || (Tk_ReqWidth(tkwin) != Tk_Width(tkwin)) - || (height != Tk_Height(tkwin))) { - Tk_MoveResizeWindow(tkwin, windowX, windowY, width, height); - } - Tk_MapWindow(tkwin); - } else { - Tk_MaintainGeometry(tkwin, ewPtr->body.ew.tkxt->tkwin, - windowX, windowY, width, height); - } - - /* - * Mark the window as displayed so that it won't get unmapped. - */ - - ewPtr->body.ew.displayed = 1; -} - -/* - *-------------------------------------------------------------- - * - * EmbWinUndisplayFunc -- - * - * This procedure is called when the chunk for an embedded - * window is no longer going to be displayed. It arranges - * for the window associated with the chunk to be unmapped. - * - * Results: - * None. - * - * Side effects: - * The window is scheduled for unmapping. - * - *-------------------------------------------------------------- - */ - -static void -EmbWinUndisplayFunc(tkxt, chunkPtr) - GtkTextView *tkxt; /* Overall information about text - * widget. */ - GtkTextDisplayChunk *chunkPtr; /* Chunk that is about to be freed. */ -{ - GtkTextLineSegment *ewPtr = (GtkTextLineSegment *) chunkPtr->clientData; - - ewPtr->body.ew.chunkCount--; - if (ewPtr->body.ew.chunkCount == 0) { - /* - * Don't unmap the window immediately, since there's a good chance - * that it will immediately be redisplayed, perhaps even in the - * same place. Instead, schedule the window to be unmapped later; - * the call to EmbWinDelayedUnmap will be cancelled in the likely - * event that the unmap becomes unnecessary. - */ - - ewPtr->body.ew.displayed = 0; - Tcl_DoWhenIdle(EmbWinDelayedUnmap, (gpointer) ewPtr); - } -} - -/* - *-------------------------------------------------------------- - * - * EmbWinBboxFunc -- - * - * This procedure is called to compute the bounding box of - * the area occupied by an embedded window. - * - * Results: - * There is no return value. *xPtr and *yPtr are filled in - * with the coordinates of the upper left corner of the - * window, and *widthPtr and *heightPtr are filled in with - * the dimensions of the window in pixels. Note: not all - * of the returned bbox is necessarily visible on the screen - * (the rightmost part might be off-screen to the right, - * and the bottommost part might be off-screen to the bottom). - * - * Side effects: - * None. - * - *-------------------------------------------------------------- - */ - -static void -EmbWinBboxFunc(chunkPtr, index, y, lineHeight, baseline, xPtr, yPtr, - widthPtr, heightPtr) - GtkTextDisplayChunk *chunkPtr; /* Chunk containing desired char. */ - int index; /* Index of desired character within - * the chunk. */ - int y; /* Topmost pixel in area allocated - * for this line. */ - int lineHeight; /* Total height of line. */ - int baseline; /* Location of line's baseline, in - * pixels measured down from y. */ - int *xPtr, *yPtr; /* Gets filled in with coords of - * character's upper-left pixel. */ - int *widthPtr; /* Gets filled in with width of - * character, in pixels. */ - int *heightPtr; /* Gets filled in with height of - * character, in pixels. */ -{ - GtkTextLineSegment *ewPtr = (GtkTextLineSegment *) chunkPtr->clientData; - Tk_Window tkwin; - - tkwin = ewPtr->body.ew.tkwin; - if (tkwin != NULL) { - *widthPtr = Tk_ReqWidth(tkwin); - *heightPtr = Tk_ReqHeight(tkwin); - } else { - *widthPtr = 0; - *heightPtr = 0; - } - *xPtr = chunkPtr->x + ewPtr->body.ew.padX; - if (ewPtr->body.ew.stretch) { - if (ewPtr->body.ew.align == ALIGN_BASELINE) { - *heightPtr = baseline - ewPtr->body.ew.padY; - } else { - *heightPtr = lineHeight - 2*ewPtr->body.ew.padY; - } - } - switch (ewPtr->body.ew.align) { - case ALIGN_BOTTOM: - *yPtr = y + (lineHeight - *heightPtr - ewPtr->body.ew.padY); - break; - case ALIGN_CENTER: - *yPtr = y + (lineHeight - *heightPtr)/2; - break; - case ALIGN_TOP: - *yPtr = y + ewPtr->body.ew.padY; - break; - case ALIGN_BASELINE: - *yPtr = y + (baseline - *heightPtr); - break; - } -} - -/* - *-------------------------------------------------------------- - * - * EmbWinDelayedUnmap -- - * - * This procedure is an idle handler that does the actual - * work of unmapping an embedded window. See the comment - * in EmbWinUndisplayFunc for details. - * - * Results: - * None. - * - * Side effects: - * The window gets unmapped, unless its chunk reference count - * has become non-zero again. - * - *-------------------------------------------------------------- - */ - -static void -EmbWinDelayedUnmap(clientData) - gpointer clientData; /* Token for the window to - * be unmapped. */ -{ - GtkTextLineSegment *ewPtr = (GtkTextLineSegment *) clientData; - - if (!ewPtr->body.ew.displayed && (ewPtr->body.ew.tkwin != NULL)) { - if (ewPtr->body.ew.tkxt->tkwin != Tk_Parent(ewPtr->body.ew.tkwin)) { - Tk_UnmaintainGeometry(ewPtr->body.ew.tkwin, - ewPtr->body.ew.tkxt->tkwin); - } else { - Tk_UnmapWindow(ewPtr->body.ew.tkwin); - } - } -} - -/* - *-------------------------------------------------------------- - * - * GtkTextViewWindowIndex -- - * - * Given the name of an embedded window within a text widget, - * returns an index corresponding to the window's position - * in the text. - * - * Results: - * The return value is 1 if there is an embedded window by - * the given name in the text widget, 0 otherwise. If the - * window exists, *indexPtr is filled in with its index. - * - * Side effects: - * None. - * - *-------------------------------------------------------------- - */ - -int -GtkTextViewWindowIndex(tkxt, name, indexPtr) - GtkTextView *tkxt; /* Text widget containing window. */ - char *name; /* Name of window. */ - GtkTextIndex *indexPtr; /* Index information gets stored here. */ -{ - Tcl_HashEntry *hPtr; - GtkTextLineSegment *ewPtr; - - hPtr = Tcl_FindHashEntry(&tkxt->windowTable, name); - if (hPtr == NULL) { - return 0; - } - ewPtr = (GtkTextLineSegment *) Tcl_GetHashValue(hPtr); - indexPtr->tree = tkxt->tree; - indexPtr->line = ewPtr->body.ew.line; - indexPtr->byteIndex = gtk_text_line_segment_get_offset(ewPtr, indexPtr->line); - return 1; -} -#endif |