[glade] GladeFixed: Explicitly fetch mouse position at add_child time

[Tristan Van Berkom <tvb src gnome org>]

commit c9040f87a5cefd6c979056a69768e7062233c026
Author: Tristan Van Berkom <tristan van berkom gmail com>
Date:   Thu Apr 4 04:14:59 2013 +0900

    GladeFixed: Explicitly fetch mouse position at add_child time
    
    This is because normal event recording doesnt work when a GTK+
    Drag and Drop is in progress, so we need to explicitly fetch
    the pointer position at Drop time.

 plugins/gtk+/glade-fixed.c |   18 +++++++++++++++---
 1 files changed, 15 insertions(+), 3 deletions(-)
---
diff --git a/plugins/gtk+/glade-fixed.c b/plugins/gtk+/glade-fixed.c
index c8fed9f..bc3b4a9 100644
--- a/plugins/gtk+/glade-fixed.c
+++ b/plugins/gtk+/glade-fixed.c
@@ -683,7 +683,7 @@ glade_fixed_handle_child_event (GladeFixed *fixed,
       gint fixed_x, fixed_y, child_x, child_y;
       GdkDevice *device;
 
-      device = glade_widget_get_device_from_event (event);
+      device = gdk_event_get_device (event);
       
       glade_utils_get_pointer (fixed_widget,
                               window,
@@ -726,7 +726,7 @@ glade_fixed_handle_child_event (GladeFixed *fixed,
           {
             /* Need to update mouse for configures. */
            glade_utils_get_pointer (fixed_widget,
-                                    window, glade_widget_get_device_from_event (event),
+                                    window, gdk_event_get_device (event),
                                     &fixed->mouse_x, &fixed->mouse_y);
 
             glade_fixed_configure_widget (fixed, child, event->motion.device);
@@ -838,10 +838,22 @@ glade_fixed_add_child_impl (GladeWidget *gwidget_fixed,
   GtkAllocation allocation;
   GdkRectangle rect;
   gboolean handled;
+  GtkWidget *widget;
+  GdkWindow *window;
+  GdkDevice *device;
+  GdkEvent *event;
 
   g_return_if_fail (GLADE_IS_FIXED (fixed));
   g_return_if_fail (GLADE_IS_WIDGET (child));
 
+  /* Need to explicitly find the pointer location at drag_drop time */
+  widget = GTK_WIDGET (glade_widget_get_object (gwidget_fixed));
+  window = gtk_widget_get_window (widget);
+  event = gtk_get_current_event ();
+  if ((device = gdk_event_get_device (event)))
+    glade_utils_get_pointer (widget, window, device, &fixed->mouse_x, &fixed->mouse_y);
+  gdk_event_free (event);
+
   /* Chain up for the basic parenting */
   GLADE_WIDGET_CLASS (parent_class)->add_child
       (GLADE_WIDGET (fixed), child, at_mouse);
@@ -941,7 +953,7 @@ glade_fixed_event (GladeWidget *gwidget_fixed, GdkEvent *event)
   if (GLADE_WIDGET_CLASS (parent_class)->event (gwidget_fixed, event))
     return TRUE;
 
-  if ((device = glade_widget_get_device_from_event (event)))
+  if ((device = gdk_event_get_device (event)))
     {
       /* Need to update mouse for configures. */
       glade_utils_get_pointer (GTK_WIDGET (glade_widget_get_object (gwidget_fixed)),