[gtk+/wip/matthiasc/dnd-animation: 3/7] x11: Store drag start coordinates

[Matthias Clasen <matthiasc src gnome org>]

commit ed89e5f62ae5739df1dc1e64e4105e1aeda56971
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Dec 7 15:07:54 2015 -0500

    x11: Store drag start coordinates
    
    These will be used in later commits.

 gdk/x11/gdkdnd-x11.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/gdk/x11/gdkdnd-x11.c b/gdk/x11/gdkdnd-x11.c
index 02d7e33..7924476 100644
--- a/gdk/x11/gdkdnd-x11.c
+++ b/gdk/x11/gdkdnd-x11.c
@@ -76,6 +76,8 @@ struct _GdkX11DragContext
 
   guint   ref_count;
 
+  gint start_x;                /* Where the drag started */
+  gint start_y;
   guint16 last_x;              /* Coordinates from last event */
   guint16 last_y;
   GdkDragAction old_action;    /* The last action we sent to the source */
@@ -1967,6 +1969,9 @@ _gdk_x11_window_drag_begin (GdkWindow *window,
 
   gdk_drag_context_set_device (context, device);
 
+  GDK_X11_DRAG_CONTEXT (context)->start_x = x_root;
+  GDK_X11_DRAG_CONTEXT (context)->start_y = y_root;
+
   GDK_X11_DRAG_CONTEXT (context)->drag_window = create_drag_window (gdk_window_get_screen (window));
 
   return context;