[gtk+] listbox: Rewrite coords from child windows

[Alexander Larsson <alexl src gnome org>]

commit e4a981eef22cb88cf2ffa086249b6db52b19f78a
Author: Alexander Larsson <alexl redhat com>
Date:   Mon Jun 17 14:52:05 2013 +0200

    listbox: Rewrite coords from child windows
    
    If button events are from child windows we need to rewrite
    the coordinates to our window.

 gtk/gtklistbox.c |   14 +++++++++++++-
 1 files changed, 13 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtklistbox.c b/gtk/gtklistbox.c
index f335a1a..20b2fe9 100644
--- a/gtk/gtklistbox.c
+++ b/gtk/gtklistbox.c
@@ -1197,6 +1197,8 @@ gtk_list_box_real_button_press_event (GtkWidget      *widget,
   GtkListBox *list_box = GTK_LIST_BOX (widget);
   GtkListBoxPrivate *priv = list_box->priv;
   gboolean ctrl_pressed;
+  GdkWindow *window;
+  double x, y;
 
   if (event->button == GDK_BUTTON_PRIMARY)
     {
@@ -1206,7 +1208,17 @@ gtk_list_box_real_button_press_event (GtkWidget      *widget,
 
       priv->active_row = NULL;
 
-      row = gtk_list_box_get_row_at_y (list_box, event->y);
+      window = event->window;
+      x = event->x;
+      y = event->y;
+
+      while (window && window != gtk_widget_get_window (widget))
+        {
+          gdk_window_coords_to_parent (window, x, y, &x, &y);
+          window = gdk_window_get_effective_parent (window);
+        }
+
+      row = gtk_list_box_get_row_at_y (list_box, y);
       if (row != NULL)
         {
           if (ctrl_pressed)