[gtk+] bgo#634558 - filechooser - Actually focus the Search entry when selecting the Search shortcut

[Federico Mena Quintero <federico src gnome org>]

commit b8cde533509cdf3b41204ec318913818407ceb6c
Author: Federico Mena Quintero <federico novell com>
Date:   Tue Nov 16 10:56:34 2010 -0600

    bgo#634558 - filechooser - Actually focus the Search entry when selecting the Search shortcut
    
    Signed-off-by: Federico Mena Quintero <federico novell com>

 gtk/gtkfilechooserdefault.c |   62 +++++++++++++++++++++++++++++++++---------
 gtk/gtkfilechooserprivate.h |    2 +
 2 files changed, 50 insertions(+), 14 deletions(-)
---
diff --git a/gtk/gtkfilechooserdefault.c b/gtk/gtkfilechooserdefault.c
index 2f11068..1ae5758 100644
--- a/gtk/gtkfilechooserdefault.c
+++ b/gtk/gtkfilechooserdefault.c
@@ -2306,6 +2306,19 @@ new_folder_button_clicked (GtkButton             *button,
   gtk_tree_path_free (path);
 }
 
+static GSource *
+add_idle_while_impl_is_alive (GtkFileChooserDefault *impl, GCallback callback)
+{
+  GSource *source;
+
+  source = g_idle_source_new ();
+  g_source_set_closure (source,
+			g_cclosure_new_object (callback, G_OBJECT (impl)));
+  g_source_attach (source, NULL);
+
+  return source;
+}
+
 /* Idle handler for creating a new folder after editing its name cell, or for
  * canceling the editing.
  */
@@ -2364,13 +2377,7 @@ queue_edited_idle (GtkFileChooserDefault *impl,
    */
 
   if (!impl->edited_idle)
-    {
-      impl->edited_idle = g_idle_source_new ();
-      g_source_set_closure (impl->edited_idle,
-			    g_cclosure_new_object (G_CALLBACK (edited_idle_cb),
-						   G_OBJECT (impl)));
-      g_source_attach (impl->edited_idle, NULL);
-    }
+    impl->edited_idle = add_idle_while_impl_is_alive (impl, G_CALLBACK (edited_idle_cb));
 
   g_free (impl->edited_new_text);
   impl->edited_new_text = g_strdup (new_text);
@@ -2966,11 +2973,7 @@ shortcuts_drag_leave_cb (GtkWidget             *widget,
 #if 0
   if (gtk_drag_get_source_widget (context) == widget && !impl->shortcuts_drag_outside_idle)
     {
-      impl->shortcuts_drag_outside_idle = g_idle_source_new ();
-      g_source_set_closure (impl->shortcuts_drag_outside_idle,
-			    g_cclosure_new_object (G_CALLBACK (shortcuts_drag_outside_idle_cb),
-						   G_OBJECT (impl)));
-      g_source_attach (impl->shortcuts_drag_outside_idle, NULL);
+      impl->shortcuts_drag_outside_idle = add_idle_while_impl_is_alive (impl, G_CALLBACK (shortcuts_drag_outside_idle_cb));
     }
 #endif
 
@@ -8934,6 +8937,37 @@ search_entry_activate_cb (GtkEntry *entry,
   search_start_query (impl, text);
 }
 
+static gboolean
+focus_entry_idle_cb (GtkFileChooserDefault *impl)
+{
+  GDK_THREADS_ENTER ();
+  
+  g_source_destroy (impl->focus_entry_idle);
+  impl->focus_entry_idle = NULL;
+
+  if (impl->search_entry)
+    gtk_widget_grab_focus (impl->search_entry);
+
+  GDK_THREADS_LEAVE ();
+
+  return FALSE;
+}
+
+static void
+focus_search_entry_in_idle (GtkFileChooserDefault *impl)
+{
+  /* bgo#634558 - When the user clicks on the Search entry in the shortcuts
+   * pane, we get a selection-changed signal and we set up the search widgets.
+   * However, gtk_tree_view_button_press() focuses the treeview *after* making
+   * the change to the selection.  So, we need to re-focus the search entry
+   * after the treeview has finished doing its work; we'll do that in an idle
+   * handler.
+   */
+
+  if (!impl->focus_entry_idle)
+    impl->focus_entry_idle = add_idle_while_impl_is_alive (impl, G_CALLBACK (focus_entry_idle_cb));
+}
+
 /* Hides the path bar and creates the search entry */
 static void
 search_setup_widgets (GtkFileChooserDefault *impl)
@@ -9002,7 +9036,7 @@ search_setup_widgets (GtkFileChooserDefault *impl)
       gtk_widget_hide (impl->location_entry_box);
     }
 
-  gtk_widget_grab_focus (impl->search_entry);
+  focus_search_entry_in_idle (impl);
 
   /* FMQ: hide the filter combo? */
 }
@@ -9046,7 +9080,7 @@ search_activate (GtkFileChooserDefault *impl)
   
   if (impl->operation_mode == OPERATION_MODE_SEARCH)
     {
-      gtk_widget_grab_focus (impl->search_entry);
+      focus_search_entry_in_idle (impl);
       return;
     }
 
diff --git a/gtk/gtkfilechooserprivate.h b/gtk/gtkfilechooserprivate.h
index 7fc8ec7..e414e43 100644
--- a/gtk/gtkfilechooserprivate.h
+++ b/gtk/gtkfilechooserprivate.h
@@ -272,6 +272,8 @@ struct _GtkFileChooserDefault
   gulong settings_signal_id;
   int icon_size;
 
+  GSource *focus_entry_idle;
+
   gulong toplevel_set_focus_id;
   GtkWidget *toplevel_last_focus_widget;