[gnome-builder/wip/chergert/shortcuts] shortcuts: allow closing shortcuts window with Escape

[Christian Hergert <chergert src gnome org>]

commit 332f46bf440de239aa69916a5bef7955bc00d34e
Author: Christian Hergert <christian hergert me>
Date:   Sat Aug 29 19:58:07 2015 -0700

    shortcuts: allow closing shortcuts window with Escape

 src/keybindings/gb-shortcuts-window.c |   18 ++++++++++++++++++
 1 files changed, 18 insertions(+), 0 deletions(-)
---
diff --git a/src/keybindings/gb-shortcuts-window.c b/src/keybindings/gb-shortcuts-window.c
index 627156d..08ccf9a 100644
--- a/src/keybindings/gb-shortcuts-window.c
+++ b/src/keybindings/gb-shortcuts-window.c
@@ -72,6 +72,13 @@ struct _GbShortcutsWindow
 
 G_DEFINE_TYPE (GbShortcutsWindow, gb_shortcuts_window, GTK_TYPE_WINDOW)
 
+enum {
+  CLOSE,
+  LAST_SIGNAL
+};
+
+static guint gSignals [LAST_SIGNAL];
+
 GtkWidget *
 gb_shortcuts_window_new (void)
 {
@@ -508,10 +515,21 @@ gb_shortcuts_window_class_init (GbShortcutsWindowClass *klass)
 {
   GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
   GObjectClass *object_class = G_OBJECT_CLASS (klass);
+  GtkBindingSet *binding_set;
 
   object_class->constructed = gb_shortcuts_window_constructed;
   object_class->finalize = gb_shortcuts_window_finalize;
 
+  gSignals [CLOSE] =
+    g_signal_new_class_handler ("close",
+                                G_TYPE_FROM_CLASS (klass),
+                                (G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION),
+                                G_CALLBACK (gtk_window_close),
+                                NULL, NULL, NULL, G_TYPE_NONE, 0);
+
+  binding_set = gtk_binding_set_by_class (klass);
+  gtk_binding_entry_add_signal (binding_set, GDK_KEY_Escape, 0, "close", 0);
+
   gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/builder/ui/gb-shortcuts-window.ui");
 
   gtk_widget_class_bind_template_child (widget_class, GbShortcutsWindow, list_box);