GtkIconHelper: Add set_window()

This is a hint on where the icon will be drawn. It
will allow us to pre-allocate cairo surfaces for the right
target.

2 files changed, 16 insertions, 0 deletions

diff --git a/gtk/gtkiconhelper.c b/gtk/gtkiconhelper.c
index 1ec7b850e7..629f007827 100644
--- a/gtk/gtkiconhelper.c
+++ b/gtk/gtkiconhelper.c
@@ -26,6 +26,8 @@ G_DEFINE_TYPE (GtkIconHelper, _gtk_icon_helper, G_TYPE_OBJECT)
 struct _GtkIconHelperPrivate {
   GtkImageType storage_type;
 
+  GdkWindow *window;
+
   GdkPixbuf *orig_pixbuf;
   GdkPixbufAnimation *animation;
   GIcon *gicon;
@@ -50,6 +52,7 @@ _gtk_icon_helper_clear (GtkIconHelper *self)
   g_clear_object (&self->priv->orig_pixbuf);
   g_clear_object (&self->priv->animation);
   g_clear_object (&self->priv->rendered_pixbuf);
+  g_clear_object (&self->priv->window);
 
   if (self->priv->icon_set != NULL)
     {
@@ -76,6 +79,17 @@ _gtk_icon_helper_invalidate (GtkIconHelper *self)
   g_clear_object (&self->priv->rendered_pixbuf);
 }
 
+void
+ _gtk_icon_helper_set_window (GtkIconHelper *self,
+			      GdkWindow *window)
+{
+  if (window)
+    g_object_ref (window);
+  g_clear_object (&self->priv->window);
+  self->priv->window = window;
+
+}
+
 static void
 gtk_icon_helper_finalize (GObject *object)
 {
diff --git a/gtk/gtkiconhelperprivate.h b/gtk/gtkiconhelperprivate.h
index c2b9f0804f..10467be950 100644
--- a/gtk/gtkiconhelperprivate.h
+++ b/gtk/gtkiconhelperprivate.h
@@ -70,6 +70,8 @@ GtkIconHelper *_gtk_icon_helper_new (void);
 
 void _gtk_icon_helper_clear (GtkIconHelper *self);
 void _gtk_icon_helper_invalidate (GtkIconHelper *self);
+void _gtk_icon_helper_set_window (GtkIconHelper *self,
+				  GdkWindow *window);
 
 gboolean _gtk_icon_helper_get_is_empty (GtkIconHelper *self);