[empathy] enable keynavigation during search in contact-list

[Felix Kaser <kaserf src gnome org>]

commit 6568f7b78787cd1c6dbf7a447b71865986b12bc6
Author: Felix Kaser <f kaser gmx net>
Date:   Tue Jul 27 16:59:58 2010 +0200

    enable keynavigation during search in contact-list

 libempathy-gtk/empathy-contact-list-view.c |   24 ++++++++++++++++++++++++
 libempathy-gtk/empathy-live-search.c       |   28 ++++++++++++++++++++++++----
 2 files changed, 48 insertions(+), 4 deletions(-)
---
diff --git a/libempathy-gtk/empathy-contact-list-view.c b/libempathy-gtk/empathy-contact-list-view.c
index 5860ade..11c9e78 100644
--- a/libempathy-gtk/empathy-contact-list-view.c
+++ b/libempathy-gtk/empathy-contact-list-view.c
@@ -1277,6 +1277,24 @@ contact_list_view_search_activate_cb (GtkWidget *search,
 }
 
 static void
+contact_list_view_search_key_navigation_cb (GtkWidget *search,
+					    gpointer eventkey,
+					    EmpathyContactListView *view)
+{
+	GdkEventKey *event = ((GdkEventKey *) eventkey);
+	if (event->keyval == GDK_Up || event->keyval == GDK_Down) {
+		GdkEvent *new_event;
+
+		new_event = gdk_event_copy ((GdkEvent *) event);
+		gtk_widget_grab_focus (GTK_WIDGET (view));
+		gtk_widget_event (GTK_WIDGET (view), new_event);
+		gtk_widget_grab_focus (search);
+
+		gdk_event_free (new_event);
+	}
+}
+
+static void
 contact_list_view_search_hide_cb (EmpathyLiveSearch      *search,
 				  EmpathyContactListView *view)
 {
@@ -2144,6 +2162,9 @@ empathy_contact_list_view_set_live_search (EmpathyContactListView *view,
 			contact_list_view_search_activate_cb,
 			view);
 		g_signal_handlers_disconnect_by_func (priv->search_widget,
+			contact_list_view_search_key_navigation_cb,
+			view);
+		g_signal_handlers_disconnect_by_func (priv->search_widget,
 			contact_list_view_search_hide_cb,
 			view);
 		g_signal_handlers_disconnect_by_func (priv->search_widget,
@@ -2167,6 +2188,9 @@ empathy_contact_list_view_set_live_search (EmpathyContactListView *view,
 		g_signal_connect (priv->search_widget, "activate",
 			G_CALLBACK (contact_list_view_search_activate_cb),
 			view);
+		g_signal_connect (priv->search_widget, "key-navigation",
+			G_CALLBACK (contact_list_view_search_key_navigation_cb),
+			view);
 		g_signal_connect (priv->search_widget, "hide",
 			G_CALLBACK (contact_list_view_search_hide_cb),
 			view);
diff --git a/libempathy-gtk/empathy-live-search.c b/libempathy-gtk/empathy-live-search.c
index 9de2e19..414a266 100644
--- a/libempathy-gtk/empathy-live-search.c
+++ b/libempathy-gtk/empathy-live-search.c
@@ -53,6 +53,7 @@ enum
 enum
 {
   ACTIVATE,
+  KEYNAV,
   LAST_SIGNAL
 };
 
@@ -139,6 +140,14 @@ live_search_entry_key_pressed_cb (GtkEntry *entry,
       return TRUE;
     }
 
+  /* emit key navigation signal, so other widgets can respond to it properly */
+  if (event->keyval == GDK_Up || event->keyval == GDK_Down
+      || event->keyval == GDK_Left || event->keyval == GDK_Right)
+     {
+       g_signal_emit (self, signals[KEYNAV], 0, event);
+       return TRUE;
+     }
+
   return FALSE;
 }
 
@@ -197,10 +206,10 @@ live_search_key_press_event_cb (GtkWidget *widget,
       event->keyval == GDK_Control_R)
     return FALSE;
 
-  /* dont forward the arrow up/down key to the entry, it is needed for
-   * navigation in the treeview */
+  /* dont forward the up and down arrow keys to the entry, they are needed for
+   * navigation in the treeview and are not needed in the search entry */
    if (event->keyval == GDK_Up || event->keyval == GDK_Down)
-    return FALSE;
+     return FALSE;
 
   /* realize the widget if it is not realized yet */
   gtk_widget_realize (priv->search_entry);
@@ -350,7 +359,10 @@ live_search_grab_focus (GtkWidget *widget)
   EmpathyLiveSearchPriv *priv = GET_PRIV (self);
 
   if (!gtk_widget_has_focus (priv->search_entry))
-    gtk_widget_grab_focus (priv->search_entry);
+    {
+      gtk_widget_grab_focus (priv->search_entry);
+      gtk_editable_set_position (GTK_EDITABLE (priv->search_entry), -1);
+    }
 }
 
 static void
@@ -377,6 +389,14 @@ empathy_live_search_class_init (EmpathyLiveSearchClass *klass)
       g_cclosure_marshal_VOID__VOID,
       G_TYPE_NONE, 0);
 
+  signals[KEYNAV] = g_signal_new ("key-navigation",
+      G_TYPE_FROM_CLASS (object_class),
+      G_SIGNAL_RUN_LAST,
+      0,
+      NULL, NULL,
+      g_cclosure_marshal_VOID__POINTER,
+      G_TYPE_NONE, 1, G_TYPE_POINTER);
+
   param_spec = g_param_spec_object ("hook-widget", "Live Searchs Hook Widget",
       "The live search catches key-press-events on this widget",
       GTK_TYPE_WIDGET, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);