[gtk+] gtkmain: Rearrange code

[Jasper St. Pierre <jstpierre src gnome org>]

commit e76f41b788ef242eab8d63605969c878bcfd7139
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Mon Jun 23 17:55:55 2014 -0400

    gtkmain: Rearrange code
    
    Prevent a segfault in unknown circumstances, and break the ignore
    deprecations wrapper out from the if statement so that we don't
    cover too much ground by accident.

 gtk/gtkmain.c |   43 +++++++++++++++++++++++++------------------
 1 files changed, 25 insertions(+), 18 deletions(-)
---
diff --git a/gtk/gtkmain.c b/gtk/gtkmain.c
index 5a9353e..77d2543 100644
--- a/gtk/gtkmain.c
+++ b/gtk/gtkmain.c
@@ -1647,25 +1647,32 @@ gtk_main_do_event (GdkEvent *event)
       break;
 
     case GDK_EXPOSE:
-      G_GNUC_BEGIN_IGNORE_DEPRECATIONS
-      if (event->any.window && gtk_widget_get_double_buffered (event_widget))
+      if (event->any.window)
         {
-         /* We handle exposes only on native windows, relying on the
-          * draw() handler to propagate down to non-native windows.
-          * This is ok now that we child windows always are considered
-          * (semi)transparent.
-          */
-         if (gdk_window_has_native (event->expose.window))
-           {
-             gdk_window_begin_paint_region (event->any.window, event->expose.region);
-             gtk_widget_send_expose (event_widget, event);
-             gdk_window_end_paint (event->any.window);
-           }
-        }
-      else
-      G_GNUC_END_IGNORE_DEPRECATIONS
-        {
-          gtk_widget_send_expose (event_widget, event);
+          gboolean is_double_buffered;
+
+          G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
+          is_double_buffered = gtk_widget_get_double_buffered (event_widget);
+          G_GNUC_END_IGNORE_DEPRECATIONS;
+
+          if (is_double_buffered)
+            {
+              /* We handle exposes only on native windows, relying on the
+               * draw() handler to propagate down to non-native windows.
+               * This is ok now that we child windows always are considered
+               * (semi)transparent.
+               */
+              if (gdk_window_has_native (event->expose.window))
+                {
+                  gdk_window_begin_paint_region (event->any.window, event->expose.region);
+                  gtk_widget_send_expose (event_widget, event);
+                  gdk_window_end_paint (event->any.window);
+                }
+            }
+          else
+            {
+              gtk_widget_send_expose (event_widget, event);
+            }
         }
       break;