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ui/gfx/compositor/compositor_gl.cc

Index: ui/gfx/compositor/compositor_gl.cc
diff --git a/ui/gfx/compositor/compositor_gl.cc b/ui/gfx/compositor/compositor_gl.cc
index 6d7bd29bb010c257ba425b2032ef983e935ea520..9e2e4c474180f2e7d4e1f3988fe402b77da563c5 100644
--- a/ui/gfx/compositor/compositor_gl.cc
+++ b/ui/gfx/compositor/compositor_gl.cc
@@ -4,6 +4,10 @@
 
 #include "ui/gfx/compositor/compositor_gl.h"
 
+// for CompositorGL::SchedulePaint
+#include <gtk/gtk.h>
+#include <gdk/gdkx.h>
+
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/logging.h"
@@ -429,7 +433,8 @@ void TextureGL::DrawInternal(const ui::TextureProgramGL& program,
 
 CompositorGL::CompositorGL(gfx::AcceleratedWidget widget,
                            const gfx::Size& size)
-    : size_(size),
+    : widget_(widget),
+      size_(size),
       started_(false) {
   gl_surface_ = gfx::GLSurface::CreateViewGLSurface(false, widget);
   gl_context_ = SharedResources::GetInstance()->
@@ -490,8 +495,16 @@ void CompositorGL::Blur(const gfx::Rect& bounds) {
 }
 
 void CompositorGL::SchedulePaint() {
-  // TODO: X doesn't provide coalescing of regions, its left to the toolkit.
-  NOTIMPLEMENTED();
+  // TODO(vollick) Remove or ifdef the gdk/gtk code.
+  GdkDisplay* display = gdk_display_get_default();
+  GdkWindow* window = gdk_window_lookup_for_display(display, widget_);
+  if (window == NULL)
+    return;
+  gpointer data = NULL;
+  gdk_window_get_user_data(window, &data);
+  GtkWidget* widget = reinterpret_cast<GtkWidget*>(data);
+  if (widget && GTK_IS_WIDGET(widget) && GTK_WIDGET_DRAWABLE(widget))
+    gtk_widget_queue_draw_area(widget, 0, 0, size_.width(), size_.height());
 }
 
 void CompositorGL::OnWidgetSizeChanged(const gfx::Size& size) {