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| author | dkf <donal.k.fellows@manchester.ac.uk> | 2012-06-12 08:29:27 (GMT) |
|---|---|---|
| committer | dkf <donal.k.fellows@manchester.ac.uk> | 2012-06-12 08:29:27 (GMT) |
| commit | fde697af64aae8450b540fb7eeb4f0f19aa3f005 (patch) | |
| tree | 152cc41513346198a20a352370b2d8b0fe9dd1d0 /generic | |
| parent | 725e61cc4033c4fd2cccb831bac3c997fa61e712 (diff) | |
| download | tk-fde697af64aae8450b540fb7eeb4f0f19aa3f005.zip tk-fde697af64aae8450b540fb7eeb4f0f19aa3f005.tar.gz tk-fde697af64aae8450b540fb7eeb4f0f19aa3f005.tar.bz2 | |
Fix text clipping when working with the Xft-based renderer.
Diffstat (limited to 'generic')
| -rw-r--r-- | generic/tkInt.h | 3 | ||||
| -rw-r--r-- | generic/ttk/ttkEntry.c | 13 | ||||
| -rw-r--r-- | generic/ttk/ttkLabel.c | 13 |
3 files changed, 27 insertions, 2 deletions
diff --git a/generic/tkInt.h b/generic/tkInt.h index b152a7a..a95adf8 100644 --- a/generic/tkInt.h +++ b/generic/tkInt.h @@ -1186,6 +1186,9 @@ MODULE_SCOPE Status TkParseColor (Display * display, Colormap map, CONST char* spec, XColor * colorPtr); #endif +#ifdef HAVE_XFT +MODULE_SCOPE void TkUnixSetXftClipRegion(Region clipRegion); +#endif /* * Unsupported commands. diff --git a/generic/ttk/ttkEntry.c b/generic/ttk/ttkEntry.c index e5d0ef2..a3d0179 100644 --- a/generic/ttk/ttkEntry.c +++ b/generic/ttk/ttkEntry.c @@ -1221,7 +1221,8 @@ static void EntryDisplay(void *clientData, Drawable d) } } - /* Initialize the clip region: + /* Initialize the clip region. Note that Xft does _not_ derive its + * clipping area from the GC, so we have to supply that by other means. */ rect.x = textarea.x; @@ -1230,6 +1231,9 @@ static void EntryDisplay(void *clientData, Drawable d) rect.height = textarea.height; clipRegion = TkCreateRegion(); TkUnionRectWithRegion(&rect, clipRegion, clipRegion); +#ifdef HAVE_XFT + TkUnixSetXftClipRegion(clipRegion); +#endif /* Draw cursor: */ @@ -1272,6 +1276,13 @@ static void EntryDisplay(void *clientData, Drawable d) selFirst, selLast); Tk_FreeGC(Tk_Display(tkwin), gc); } + + /* Drop the region. Note that we have to manually remove the reference to + * it from the Xft guts (if they're being used). + */ +#ifdef HAVE_XFT + TkUnixSetXftClipRegion(None); +#endif TkDestroyRegion(clipRegion); } diff --git a/generic/ttk/ttkLabel.c b/generic/ttk/ttkLabel.c index df6a686..52782ea 100644 --- a/generic/ttk/ttkLabel.c +++ b/generic/ttk/ttkLabel.c @@ -131,6 +131,7 @@ static void TextDraw(TextElement *text, Tk_Window tkwin, Drawable d, Ttk_Box b) XGCValues gcValues; GC gc1, gc2; Tk_Anchor anchor = TK_ANCHOR_CENTER; + TkRegion clipRegion = NULL; gcValues.font = Tk_FontId(text->tkfont); gcValues.foreground = color->pixel; @@ -148,9 +149,9 @@ static void TextDraw(TextElement *text, Tk_Window tkwin, Drawable d, Ttk_Box b) * Clip text if it's too wide: */ if (b.width < text->width) { - TkRegion clipRegion = TkCreateRegion(); XRectangle rect; + clipRegion = TkCreateRegion(); rect.x = b.x; rect.y = b.y; rect.width = b.width + (text->embossed ? 1 : 0); @@ -158,7 +159,11 @@ static void TextDraw(TextElement *text, Tk_Window tkwin, Drawable d, Ttk_Box b) TkUnionRectWithRegion(&rect, clipRegion, clipRegion); TkSetRegion(Tk_Display(tkwin), gc1, clipRegion); TkSetRegion(Tk_Display(tkwin), gc2, clipRegion); +#ifdef HAVE_XFT + TkUnixSetXftClipRegion(clipRegion); +#else TkDestroyRegion(clipRegion); +#endif } if (text->embossed) { @@ -180,6 +185,12 @@ static void TextDraw(TextElement *text, Tk_Window tkwin, Drawable d, Ttk_Box b) Tk_FreeGC(Tk_Display(tkwin), gc1); Tk_FreeGC(Tk_Display(tkwin), gc2); +#ifdef HAVE_XFT + if (clipRegion != NULL) { + TkUnixSetXftClipRegion(None); + TkDestroyRegion(clipRegion); + } +#endif } static void TextElementSize( |