[gtk+/wip/background-rework: 9/26] menushell: don't call gtk_style_context_set_background()

[Cosimo Cecchi <cosimoc src gnome org>]

commit 838812ab1e69e966a9a940aa04fa74781acadde6
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Wed Jun 3 18:21:16 2015 -0700

    menushell: don't call gtk_style_context_set_background()

 gtk/gtkmenushell.c |   18 +++++++++++++++---
 1 files changed, 15 insertions(+), 3 deletions(-)
---
diff --git a/gtk/gtkmenushell.c b/gtk/gtkmenushell.c
index e1ba138..80044ef 100644
--- a/gtk/gtkmenushell.c
+++ b/gtk/gtkmenushell.c
@@ -66,6 +66,7 @@
 #include "gtkmenuitemprivate.h"
 #include "gtkmenushellprivate.h"
 #include "gtkmnemonichash.h"
+#include "gtkrender.h"
 #include "gtkwindow.h"
 #include "gtkwindowprivate.h"
 #include "gtkprivate.h"
@@ -133,6 +134,8 @@ static void gtk_menu_shell_screen_changed    (GtkWidget         *widget,
                                               GdkScreen         *previous_screen);
 static gboolean gtk_menu_shell_grab_broken       (GtkWidget         *widget,
                                               GdkEventGrabBroken *event);
+static gboolean gtk_menu_shell_draw          (GtkWidget         *widget,
+                                              cairo_t           *cr);
 static void gtk_menu_shell_add               (GtkContainer      *container,
                                               GtkWidget         *widget);
 static void gtk_menu_shell_remove            (GtkContainer      *container,
@@ -198,6 +201,7 @@ gtk_menu_shell_class_init (GtkMenuShellClass *klass)
   widget_class->enter_notify_event = gtk_menu_shell_enter_notify;
   widget_class->leave_notify_event = gtk_menu_shell_leave_notify;
   widget_class->screen_changed = gtk_menu_shell_screen_changed;
+  widget_class->draw = gtk_menu_shell_draw;
 
   container_class->add = gtk_menu_shell_add;
   container_class->remove = gtk_menu_shell_remove;
@@ -585,7 +589,6 @@ gtk_menu_shell_realize (GtkWidget *widget)
   GdkWindow *window;
   GdkWindowAttr attributes;
   gint attributes_mask;
-  GtkStyleContext *context;
 
   gtk_widget_set_realized (widget, TRUE);
 
@@ -613,9 +616,18 @@ gtk_menu_shell_realize (GtkWidget *widget)
                            &attributes, attributes_mask);
   gtk_widget_set_window (widget, window);
   gtk_widget_register_window (widget, window);
+}
+
+static gboolean
+gtk_menu_shell_draw (GtkWidget *widget,
+                    cairo_t   *cr)
+{
+  gtk_render_background (gtk_widget_get_style_context (widget), cr,
+                         0, 0,
+                         gtk_widget_get_allocated_width (widget),
+                         gtk_widget_get_allocated_height (widget));
 
-  context = gtk_widget_get_style_context (widget);
-  gtk_style_context_set_background (context, window);
+  return GTK_WIDGET_CLASS (gtk_menu_shell_parent_class)->draw (widget, cr);
 }
 
 static void