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| author | hobbs <hobbs> | 2006-11-24 18:11:54 (GMT) |
|---|---|---|
| committer | hobbs <hobbs> | 2006-11-24 18:11:54 (GMT) |
| commit | 2856aaa6a3f606efaf050b719a91763b9abbf0f5 (patch) | |
| tree | f4cdeee107ef79f75ddfe6685b0f10eb03a0b3f2 /unix/tkUnixMenu.c | |
| parent | 27d876771306fb31e6d4db872630bf4a3a3c17d0 (diff) | |
| download | tk-2856aaa6a3f606efaf050b719a91763b9abbf0f5.zip tk-2856aaa6a3f606efaf050b719a91763b9abbf0f5.tar.gz tk-2856aaa6a3f606efaf050b719a91763b9abbf0f5.tar.bz2 | |
* unix/tkUnixMenu.c (DrawMenuUnderline): bound Tcl_UtfAtIndex usage
* tests/menu.test (menu-36.1): [Bug 1599877]
Diffstat (limited to 'unix/tkUnixMenu.c')
| -rw-r--r-- | unix/tkUnixMenu.c | 42 |
1 files changed, 24 insertions, 18 deletions
diff --git a/unix/tkUnixMenu.c b/unix/tkUnixMenu.c index cec9ad6..a3a0c75 100644 --- a/unix/tkUnixMenu.c +++ b/unix/tkUnixMenu.c @@ -8,7 +8,7 @@ * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tkUnixMenu.c,v 1.7.2.1 2004/05/03 23:23:42 hobbs Exp $ + * RCS: @(#) $Id: tkUnixMenu.c,v 1.7.2.2 2006/11/24 18:11:54 hobbs Exp $ */ #include "tkPort.h" @@ -884,26 +884,32 @@ DrawMenuUnderline(menuPtr, mePtr, d, gc, tkfont, fmPtr, x, y, width, height) int width; int height; { - int indicatorSpace = mePtr->indicatorSpace; + if ((mePtr->underline >= 0) && (mePtr->labelPtr != NULL)) { + int len; - if (mePtr->underline >= 0) { - int activeBorderWidth; - int leftEdge; - char *label = Tcl_GetStringFromObj(mePtr->labelPtr, NULL); - CONST char *start = Tcl_UtfAtIndex(label, mePtr->underline); - CONST char *end = Tcl_UtfNext(start); + /* do the unicode call just to prevent overruns */ + Tcl_GetUnicodeFromObj(mePtr->labelPtr, &len); + if (mePtr->underline < len) { + int activeBorderWidth; + int leftEdge; + CONST char *label, *start, *end; - Tk_GetPixelsFromObj(NULL, menuPtr->tkwin, - menuPtr->activeBorderWidthPtr, &activeBorderWidth); - leftEdge = x + indicatorSpace + activeBorderWidth; - if (menuPtr->menuType == MENUBAR) { - leftEdge += 5; - } + label = Tcl_GetStringFromObj(mePtr->labelPtr, NULL); + start = Tcl_UtfAtIndex(label, mePtr->underline); + end = Tcl_UtfNext(start); - Tk_UnderlineChars(menuPtr->display, d, gc, tkfont, label, - leftEdge, y + (height + fmPtr->ascent - fmPtr->descent) / 2, - start - label, end - label); - } + Tk_GetPixelsFromObj(NULL, menuPtr->tkwin, + menuPtr->activeBorderWidthPtr, &activeBorderWidth); + leftEdge = x + mePtr->indicatorSpace + activeBorderWidth; + if (menuPtr->menuType == MENUBAR) { + leftEdge += 5; + } + + Tk_UnderlineChars(menuPtr->display, d, gc, tkfont, label, leftEdge, + y + (height + fmPtr->ascent - fmPtr->descent) / 2, + start - label, end - label); + } + } } /* |