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authordkf <donal.k.fellows@manchester.ac.uk>2012-06-12 08:34:40 (GMT)
committerdkf <donal.k.fellows@manchester.ac.uk>2012-06-12 08:34:40 (GMT)
commit314b8aca482e318b8a62ae829671b364631f681e (patch)
treea423d46e9f550b20ab44f59a5e28af4ced782956 /generic
parent94bf2a20e147c3a37f07c2a51348e3a072c4c248 (diff)
parentfde697af64aae8450b540fb7eeb4f0f19aa3f005 (diff)
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Fix text clipping when working with the Xft-based renderer.
Diffstat (limited to 'generic')
-rw-r--r--generic/tkInt.h3
-rw-r--r--generic/ttk/ttkEntry.c13
-rw-r--r--generic/ttk/ttkLabel.c13
3 files changed, 27 insertions, 2 deletions
diff --git a/generic/tkInt.h b/generic/tkInt.h
index 57157da..bc0e0a3 100644
--- a/generic/tkInt.h
+++ b/generic/tkInt.h
@@ -1218,6 +1218,9 @@ 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 98c8079..6eccf51 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 = entryPtr->entry.layoutX;
@@ -1230,6 +1231,9 @@ static void EntryDisplay(void *clientData, Drawable d)
rect.height = entryPtr->entry.layoutHeight;
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 6abc847..17433dc 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(