- gtk_render_background (context, cr, 0, 0,
- gtk_widget_get_allocated_width (tooltip->window),
- gtk_widget_get_allocated_height (tooltip->window));
- gtk_render_frame (context, cr, 0, 0,
- gtk_widget_get_allocated_width (tooltip->window),
- gtk_widget_get_allocated_height (tooltip->window));
+ gtk_render_background (context, cr,
+ 0, 0, width, height);
+ gtk_render_frame (context, cr,
+ 0, 0, width, height);
+}
+
+static void
+maybe_update_shape (GtkTooltip *tooltip)
+{
+ cairo_t *cr;
+ cairo_surface_t *surface;
+ cairo_region_t *region;
+
+ /* fallback to XShape only for non-composited clients */
+ if (gtk_widget_is_composited (tooltip->window))
+ {
+ gtk_widget_shape_combine_region (tooltip->window, NULL);
+ return;
+ }
+
+ surface = gdk_window_create_similar_surface (gtk_widget_get_window (tooltip->window),
+ CAIRO_CONTENT_COLOR_ALPHA,
+ gtk_widget_get_allocated_width (tooltip->window),
+ gtk_widget_get_allocated_height (tooltip->window));
+
+ cr = cairo_create (surface);
+ paint_background_and_frame (tooltip, cr);
+ cairo_destroy (cr);
+
+ region = gdk_cairo_region_create_from_surface (surface);
+ gtk_widget_shape_combine_region (tooltip->window, region);
+
+ cairo_surface_destroy (surface);
+ cairo_region_destroy (region);
+}
+
+static void
+gtk_tooltip_composited_changed (GtkTooltip *tooltip,
+ GtkWidget *widget)
+{
+ if (gtk_widget_get_realized (tooltip->window))
+ maybe_update_shape (tooltip);
+}
+
+static void
+gtk_tooltip_realize_window (GtkTooltip *tooltip,
+ GtkWidget *widget)
+{
+ maybe_update_shape (tooltip);
+}
+
+static gboolean
+gtk_tooltip_paint_window (GtkTooltip *tooltip,
+ cairo_t *cr)
+{
+ if (gtk_widget_is_composited (tooltip->window))
+ {
+ /* clear any background */
+ cairo_save (cr);
+ cairo_set_source_rgba (cr, 0, 0, 0, 0);
+ cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
+ cairo_paint (cr);
+ cairo_restore (cr);
+ }
+
+ maybe_update_shape (tooltip);
+ paint_background_and_frame (tooltip, cr);