[gnome-photos] main-window: Switch to overview with BackSpace

[Debarshi Ray <debarshir src gnome org>]

commit 9401df18c66437cb2ac3db7a0ae207fb50a2a454
Author: Debarshi Ray <debarshir gnome org>
Date:   Sat Jul 14 17:56:38 2012 +0200

    main-window: Switch to overview with BackSpace
    
    Also make Escape switch back to overview only if we're fullscreen.
    
    Original patch from Cosimo Cecchi for gnome-documents.

 src/photos-main-window.c |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/src/photos-main-window.c b/src/photos-main-window.c
index fbe504a..d94ead5 100644
--- a/src/photos-main-window.c
+++ b/src/photos-main-window.c
@@ -152,6 +152,9 @@ static gboolean
 photos_main_window_handle_key_preview (PhotosMainWindow *self, GdkEventKey *event)
 {
   PhotosMainWindowPrivate *priv = self->priv;
+  gboolean fullscreen;
+
+  fullscreen = photos_mode_controller_get_fullscreen (priv->controller);
 
   if (event->keyval == GDK_KEY_f)
     {
@@ -159,7 +162,9 @@ photos_main_window_handle_key_preview (PhotosMainWindow *self, GdkEventKey *even
       return TRUE;
     }
 
-  if (event->keyval == GDK_KEY_Escape || event->keyval == GDK_KEY_Back)
+  if ((fullscreen && event->keyval == GDK_KEY_Escape)
+      || event->keyval == GDK_KEY_BackSpace
+      || event->keyval == GDK_KEY_Back)
     {
       photos_mode_controller_set_window_mode (priv->controller, PHOTOS_WINDOW_MODE_OVERVIEW);
       return TRUE;