[gtk+/combo-refactor: 7/42] Fixed GtkMenuItem to reserve the actual arrow size and spacing

[Tristan Van Berkom <tvb src gnome org>]

commit 0d1972c8ebe95d4047dcb36bf473de92471589eb
Author: Tristan Van Berkom <tristan van berkom gmail com>
Date:   Fri Nov 19 13:29:20 2010 +0900

    Fixed GtkMenuItem to reserve the actual arrow size and spacing
    
    GtkMenuItem was reserving arrow size based on it's requested height,
    now base the submenu arrow size on the actual arrow size and spacing.

 gtk/gtkmenuitem.c |   15 +++++++++++----
 1 files changed, 11 insertions(+), 4 deletions(-)
---
diff --git a/gtk/gtkmenuitem.c b/gtk/gtkmenuitem.c
index 943ca98..cc2f7b9 100644
--- a/gtk/gtkmenuitem.c
+++ b/gtk/gtkmenuitem.c
@@ -1348,7 +1348,6 @@ gtk_menu_item_size_allocate (GtkWidget     *widget,
   if (child)
     {
       GtkMenuItemPrivate *priv = GET_PRIVATE (menu_item);
-      GtkRequisition child_requisition;
       GtkStyle *style;
       guint horizontal_padding;
       guint border_width;
@@ -1389,12 +1388,20 @@ gtk_menu_item_size_allocate (GtkWidget     *widget,
       child_allocation.x += allocation->x;
       child_allocation.y += allocation->y;
 
-      gtk_widget_get_preferred_size (child, &child_requisition, NULL);
       if ((menu_item->submenu && !GTK_IS_MENU_BAR (parent)) || priv->reserve_indicator)
 	{
+	  guint arrow_spacing;
+	  gint  arrow_size;
+
+	  gtk_widget_style_get (widget,
+				"arrow-spacing", &arrow_spacing,
+				NULL);
+
+	  get_arrow_size (widget, child, &arrow_size);
+
 	  if (direction == GTK_TEXT_DIR_RTL)
-	    child_allocation.x += child_requisition.height;
-	  child_allocation.width -= child_requisition.height;
+	    child_allocation.x += arrow_size + arrow_spacing;
+	  child_allocation.width -= arrow_size + arrow_spacing;
 	}
       
       if (child_allocation.width < 1)