[latexila] Fix icons in menus

[Sébastien Wilmet <swilmet src gnome org>]

commit 2f45e2397b680eca70fc6c078cda75b6bb77cad2
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Mon Sep 23 21:24:14 2013 +0200

    Fix icons in menus
    
    GtkSettings was not the good way to do this.

 src/main_window.vala |   20 ++++++++++++++------
 1 files changed, 14 insertions(+), 6 deletions(-)
---
diff --git a/src/main_window.vala b/src/main_window.vala
index a62b5b1..7d83ed3 100644
--- a/src/main_window.vala
+++ b/src/main_window.vala
@@ -157,6 +157,7 @@ public class MainWindow : Window
         _main_window_documents = new MainWindowDocuments (this, _ui_manager);
         _main_window_structure = new MainWindowStructure (_ui_manager);
 
+        show_images_in_menu ();
         set_file_actions_sensitivity (false);
 
         /* Main vertical grid */
@@ -180,14 +181,8 @@ public class MainWindow : Window
         viewport.add (menu);
         menu_paned.add1 (viewport);
         menu_paned.show_all ();
-
         main_vgrid.add (menu_paned);
 
-        // Force to show icons in the menu.
-        // In the LaTeX and Math menu, icons are needed.
-        unowned Gtk.Settings gtk_settings = menu.get_settings ();
-        gtk_settings.gtk_menu_images = true;
-
         /* Main and edit toolbars */
 
         Toolbar main_toolbar = get_main_toolbar ();
@@ -272,6 +267,19 @@ public class MainWindow : Window
         show ();
     }
 
+    // Force to show icons in the menu.
+    // In the LaTeX and Math menu, icons are needed.
+    private void show_images_in_menu ()
+    {
+        foreach (Gtk.ActionGroup action_group in _ui_manager.get_action_groups ())
+        {
+            foreach (Gtk.Action action in action_group.list_actions ())
+            {
+                action.set_always_show_image (true);
+            }
+        }
+    }
+
     private void initialize_ui_manager ()
     {
         _action_group = new Gtk.ActionGroup ("ActionGroup");