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| author | hobbs <hobbs> | 2001-11-13 00:19:05 (GMT) |
|---|---|---|
| committer | hobbs <hobbs> | 2001-11-13 00:19:05 (GMT) |
| commit | e3690695eaccf83b8076fd877d17ed591c43065d (patch) | |
| tree | 65c1489fbcc7a86e2140be2d55b1ffd0ccbd2577 /generic/tkTextTag.c | |
| parent | 3027f28d1f2411602324f0964f7f1ad28742cf93 (diff) | |
| download | tk-e3690695eaccf83b8076fd877d17ed591c43065d.zip tk-e3690695eaccf83b8076fd877d17ed591c43065d.tar.gz tk-e3690695eaccf83b8076fd877d17ed591c43065d.tar.bz2 | |
added TIP#26 text widget undo/redo functionality
Diffstat (limited to 'generic/tkTextTag.c')
| -rw-r--r-- | generic/tkTextTag.c | 45 |
1 files changed, 40 insertions, 5 deletions
diff --git a/generic/tkTextTag.c b/generic/tkTextTag.c index c126fcc..689de37 100644 --- a/generic/tkTextTag.c +++ b/generic/tkTextTag.c @@ -11,7 +11,7 @@ * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tkTextTag.c,v 1.5 2000/01/06 02:18:59 hobbs Exp $ + * RCS: @(#) $Id: tkTextTag.c,v 1.6 2001/11/13 00:19:05 hobbs Exp $ */ #include "default.h" @@ -151,7 +151,7 @@ TkTextTagCmd(textPtr, interp, argc, argv) index2 = index1; TkTextIndexForwChars(&index2, 1, &index2); } - + if (tagPtr->affectsDisplay) { TkTextRedrawTag(textPtr, &index1, &index2, tagPtr, !addTag); } else { @@ -159,18 +159,34 @@ TkTextTagCmd(textPtr, interp, argc, argv) * Still need to trigger enter/leave events on tags that * have changed. */ - + TkTextEventuallyRepick(textPtr); } TkBTreeTag(&index1, &index2, tagPtr, addTag); - + /* * If the tag is "sel" then grab the selection if we're supposed * to export it and don't already have it. Also, invalidate * partially-completed selection retrievals. */ - + if (tagPtr == textPtr->selTagPtr) { + XEvent event; + /* + * Send an event that the selection changed. + * This is equivalent to + * "event generate $textWidget <<Selection>>" + */ + + memset((VOID *) &event, 0, sizeof(event)); + event.xany.type = VirtualEvent; + event.xany.serial = NextRequest(Tk_Display(textPtr->tkwin)); + event.xany.send_event = False; + event.xany.window = Tk_WindowId(textPtr->tkwin); + event.xany.display = Tk_Display(textPtr->tkwin); + ((XVirtualEvent *) &event)->name = Tk_GetUid("Selection"); + Tk_HandleEvent(&event); + if (addTag && textPtr->exportSelection && !(textPtr->flags & GOT_SELECTION)) { Tk_OwnSelection(textPtr->tkwin, XA_PRIMARY, @@ -462,6 +478,25 @@ TkTextTagCmd(textPtr, interp, argc, argv) TkTextMakeByteIndex(textPtr->tree, TkBTreeNumLines(textPtr->tree), 0, &last), TkBTreeTag(&first, &last, tagPtr, 0); + + if (tagPtr == textPtr->selTagPtr) { + XEvent event; + /* + * Send an event that the selection changed. + * This is equivalent to + * "event generate $textWidget <<Selection>>" + */ + + memset((VOID *) &event, 0, sizeof(event)); + event.xany.type = VirtualEvent; + event.xany.serial = NextRequest(Tk_Display(textPtr->tkwin)); + event.xany.send_event = False; + event.xany.window = Tk_WindowId(textPtr->tkwin); + event.xany.display = Tk_Display(textPtr->tkwin); + ((XVirtualEvent *) &event)->name = Tk_GetUid("Selection"); + Tk_HandleEvent(&event); + } + Tcl_DeleteHashEntry(hPtr); if (textPtr->bindingTable != NULL) { Tk_DeleteAllBindings(textPtr->bindingTable, |