try to fix bustage

gfx/src/gtk/nsGCCache.cpp

@@ -243,6 +243,8 @@ GdkGC *nsGCCache::GetGC(GdkWindow *window, GdkGCValues *gcv, GdkGCValuesMask fla
   return gdk_gc_ref(entry->gc);
 }
 
+#ifdef MOZ_WIDGET_GTK2
+
 void nsGCCache::ReuseGC(GCCacheEntry *entry, GdkGCValues *gcv, GdkGCValuesMask flags)
 {
   // We have old GC, reuse it and check what
@@ -287,3 +289,108 @@ void nsGCCache::ReuseGC(GCCacheEntry *entry, GdkGCValues *gcv, GdkGCValuesMask f
   entry->flags = flags;
   entry->gcv = *gcv;
 }
+
+#else /* MOZ_WIDGET_GTK and friends */
+
+void nsGCCache::ReuseGC(GCCacheEntry *entry, GdkGCValues *gcv, GdkGCValuesMask flags)
+{
+  // We have old GC, reuse it and check what
+  // we have to change
+
+  XGCValues xvalues;
+  unsigned long xvalues_mask=0;
+
+  if (entry->clipRegion) {
+    // set it to none here and then set the clip region with
+    // gdk_gc_set_clip_region in GetGC()
+    xvalues.clip_mask = None;
+    xvalues_mask |= GCClipMask;
+    gdk_region_destroy(entry->clipRegion);
+    entry->clipRegion = NULL;
+  }
+
+  if (entry->gcv.foreground.pixel != gcv->foreground.pixel) {
+    xvalues.foreground = gcv->foreground.pixel;
+    xvalues_mask |= GCForeground;
+  }
+
+  if (entry->gcv.function != gcv->function) {
+    switch (gcv->function) {
+    case GDK_COPY:
+      xvalues.function = GXcopy;
+      break;
+    case GDK_INVERT:
+      xvalues.function = GXinvert;
+      break;
+    case GDK_XOR:
+      xvalues.function = GXxor;
+      break;
+    case GDK_CLEAR:
+      xvalues.function = GXclear;
+      break;
+    case GDK_AND:
+      xvalues.function = GXand;
+      break;
+    case GDK_AND_REVERSE:
+      xvalues.function = GXandReverse;
+      break;
+    case GDK_AND_INVERT:
+      xvalues.function = GXandInverted;
+      break;
+    case GDK_NOOP:
+      xvalues.function = GXnoop;
+      break;
+    case GDK_OR:
+      xvalues.function = GXor;
+      break;
+    case GDK_EQUIV:
+      xvalues.function = GXequiv;
+      break;
+    case GDK_OR_REVERSE:
+      xvalues.function = GXorReverse;
+      break;
+    case GDK_COPY_INVERT:
+      xvalues.function = GXcopyInverted;
+      break;
+    case GDK_OR_INVERT:
+      xvalues.function = GXorInverted;
+      break;
+    case GDK_NAND:
+      xvalues.function = GXnand;
+      break;
+    case GDK_SET:
+      xvalues.function = GXset;
+      break;
+    }
+    xvalues_mask |= GCFunction;
+  }
+
+  if(entry->gcv.font != gcv->font && flags & GDK_GC_FONT) {
+    xvalues.font =  ((XFontStruct *)GDK_FONT_XFONT(gcv->font))->fid;
+    xvalues_mask |= GCFont;
+  }
+
+  if (entry->gcv.line_style != gcv->line_style) {
+    switch (gcv->line_style) {
+    case GDK_LINE_SOLID:
+      xvalues.line_style = LineSolid;
+      break;
+    case GDK_LINE_ON_OFF_DASH:
+      xvalues.line_style = LineOnOffDash;
+      break;
+    case GDK_LINE_DOUBLE_DASH:
+      xvalues.line_style = LineDoubleDash;
+      break;
+    }
+    xvalues_mask |= GCLineStyle;
+  }
+
+  if (xvalues_mask != 0) {
+    XChangeGC(GDK_GC_XDISPLAY(entry->gc), GDK_GC_XGC(entry->gc),
+              xvalues_mask, &xvalues);
+  }
+  entry->flags = flags;
+  entry->gcv = *gcv;
+}
+
+#endif /* MOZ_WIDGET_GTK */