[gtk+/rendering-cleanup-next: 102/154] colorbutton: Connect to draw event

[Benjamin Otte <otte src gnome org>]

commit d8f65359de80bb0fcc0130fce77788c6910d2520
Author: Benjamin Otte <otte redhat com>
Date:   Wed Sep 8 17:58:45 2010 +0200

    colorbutton: Connect to draw event

 gtk/gtkcolorbutton.c |   24 +++++-------------------
 1 files changed, 5 insertions(+), 19 deletions(-)
---
diff --git a/gtk/gtkcolorbutton.c b/gtk/gtkcolorbutton.c
index 0fc7bee..4b80b49 100644
--- a/gtk/gtkcolorbutton.c
+++ b/gtk/gtkcolorbutton.c
@@ -263,25 +263,15 @@ gtk_color_button_get_checkered (void)
 
 /* Handle exposure events for the color picker's drawing area */
 static gint
-expose_event (GtkWidget      *widget, 
-              GdkEventExpose *event, 
-              gpointer        data)
+gtk_color_button_draw_cb (GtkWidget *widget, 
+                          cairo_t   *cr,
+                          gpointer   data)
 {
   GtkColorButton *color_button = GTK_COLOR_BUTTON (data);
-  GtkAllocation allocation;
   cairo_pattern_t *checkered;
-  cairo_t *cr;
-
-  cr = gdk_cairo_create (event->window);
-
-  gtk_widget_get_allocation (widget, &allocation);
-  gdk_cairo_rectangle (cr, &allocation);
-  cairo_clip (cr);
 
   if (gtk_color_button_has_alpha (color_button))
     {
-      cairo_save (cr);
-
       cairo_set_source_rgb (cr, CHECK_DARK, CHECK_DARK, CHECK_DARK);
       cairo_paint (cr);
 
@@ -292,8 +282,6 @@ expose_event (GtkWidget      *widget,
       cairo_mask (cr, checkered);
       cairo_pattern_destroy (checkered);
 
-      cairo_restore (cr);
-
       cairo_set_source_rgba (cr,
                              color_button->priv->color.red / 65535.,
                              color_button->priv->color.green / 65535.,
@@ -315,8 +303,6 @@ expose_event (GtkWidget      *widget,
       cairo_pattern_destroy (checkered);
     }
 
-  cairo_destroy (cr);
-
   return FALSE;
 }
 
@@ -451,8 +437,8 @@ gtk_color_button_init (GtkColorButton *color_button)
   g_object_unref (layout);
 
   gtk_widget_set_size_request (color_button->priv->draw_area, rect.width - 2, rect.height - 2);
-  g_signal_connect (color_button->priv->draw_area, "expose-event",
-                    G_CALLBACK (expose_event), color_button);
+  g_signal_connect (color_button->priv->draw_area, "draw",
+                    G_CALLBACK (gtk_color_button_draw_cb), color_button);
   gtk_container_add (GTK_CONTAINER (frame), color_button->priv->draw_area);
   gtk_widget_show (color_button->priv->draw_area);