[gtk+/gtk-2-24] quartz: properly handle the given hotspot position

[Kristian Rietveld <kristian src gnome org>]

commit 698aba575c506c81dc0f05b1224f94b54a83c5c4
Author: Kristian Rietveld <kris lanedo com>
Date:   Sun Apr 22 17:15:06 2012 +0200

    quartz: properly handle the given hotspot position

 gtk/gtkdnd-quartz.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkdnd-quartz.c b/gtk/gtkdnd-quartz.c
index 44ab020..56fdc44 100644
--- a/gtk/gtkdnd-quartz.c
+++ b/gtk/gtkdnd-quartz.c
@@ -1099,6 +1099,12 @@ gtk_drag_begin_idle (gpointer arg)
   /* FIXME: If the event isn't a mouse event, use the global cursor position instead */
   point = [info->nsevent locationInWindow];
 
+  /* Account for the given hotspot position. The y position must be
+   * corrected to the NSWindow coordinate system.
+   */
+  point.x -= info->hot_x;
+  point.y += -(gdk_pixbuf_get_height (info->icon_pixbuf) - info->hot_y);
+
   drag_image = _gtk_quartz_create_image_from_pixbuf (info->icon_pixbuf);
   if (drag_image == NULL)
     {