[gtk+] Revert "wayland: Implement DND icon hotspot API"

[Matthias Clasen <matthiasc src gnome org>]

commit 28ae8a3608776c225c1c751ee6ebee582fbd18a0
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Dec 8 13:02:37 2015 -0500

    Revert "wayland: Implement DND icon hotspot API"
    
    This reverts commit 3ab9d96623bc30678cbffc3bf9ec5133e714e87c.
    
    Pushed prematurely.

 gdk/wayland/gdkdnd-wayland.c     |   26 ++------------------------
 gdk/wayland/gdkprivate-wayland.h |    4 ----
 gdk/wayland/gdkwindow-wayland.c  |   33 +--------------------------------
 3 files changed, 3 insertions(+), 60 deletions(-)
---
diff --git a/gdk/wayland/gdkdnd-wayland.c b/gdk/wayland/gdkdnd-wayland.c
index 0bb3279..f20a0e7 100644
--- a/gdk/wayland/gdkdnd-wayland.c
+++ b/gdk/wayland/gdkdnd-wayland.c
@@ -24,7 +24,6 @@
 #include "gdkproperty.h"
 #include "gdkprivate-wayland.h"
 #include "gdkdisplay-wayland.h"
-#include "gdkwaylandwindow.h"
 
 #include "gdkdeviceprivate.h"
 
@@ -49,8 +48,6 @@ struct _GdkWaylandDragContext
   uint32_t serial;
   gdouble x;
   gdouble y;
-  gint prev_hot_x;
-  gint prev_hot_y;
   gint hot_x;
   gint hot_y;
 };
@@ -309,27 +306,8 @@ gdk_wayland_drag_context_set_hotspot (GdkDragContext *context,
                                       gint            hot_x,
                                       gint            hot_y)
 {
-  GdkWaylandDragContext *context_wayland = GDK_WAYLAND_DRAG_CONTEXT (context);
-
-  context_wayland->prev_hot_x = context_wayland->hot_x;
-  context_wayland->prev_hot_y = context_wayland->hot_x;
-  context_wayland->hot_x = hot_x;
-  context_wayland->hot_y = hot_y;
-
-  if (context_wayland->prev_hot_x == hot_x &&
-      context_wayland->prev_hot_x == hot_x)
-    return;
-
-  _gdk_wayland_window_offset_next_wl_buffer (context_wayland->dnd_window,
-                                             -hot_x, -hot_y);
-  gdk_window_invalidate_rect (context_wayland->dnd_window,
-                              &(GdkRectangle) {
-                                .x = 0,
-                                .y = 0,
-                                .width = 1,
-                                .height = 1,
-                              },
-                              FALSE);
+  GDK_WAYLAND_DRAG_CONTEXT (context)->hot_x = hot_x;
+  GDK_WAYLAND_DRAG_CONTEXT (context)->hot_y = hot_y;
 }
 
 static void
diff --git a/gdk/wayland/gdkprivate-wayland.h b/gdk/wayland/gdkprivate-wayland.h
index c4b5185..00db37f 100644
--- a/gdk/wayland/gdkprivate-wayland.h
+++ b/gdk/wayland/gdkprivate-wayland.h
@@ -104,10 +104,6 @@ void            _gdk_wayland_window_register_dnd (GdkWindow *window);
 GdkDragContext *_gdk_wayland_window_drag_begin (GdkWindow *window,
                                                GdkDevice *device,
                                                GList     *targets);
-void            _gdk_wayland_window_offset_next_wl_buffer (GdkWindow *window,
-                                                           int        x,
-                                                           int        y);
-
 GdkDragContext * _gdk_wayland_drop_context_new (struct wl_data_device *data_device);
 void _gdk_wayland_drag_context_set_source_window (GdkDragContext *context,
                                                   GdkWindow      *window);
diff --git a/gdk/wayland/gdkwindow-wayland.c b/gdk/wayland/gdkwindow-wayland.c
index 9a01d42..60dfc59 100644
--- a/gdk/wayland/gdkwindow-wayland.c
+++ b/gdk/wayland/gdkwindow-wayland.c
@@ -121,8 +121,6 @@ struct _GdkWindowImplWayland
   GdkWindow *transient_for;
 
   cairo_surface_t *cairo_surface;
-  int pending_buffer_offset_x;
-  int pending_buffer_offset_y;
 
   gchar *title;
 
@@ -566,10 +564,7 @@ gdk_wayland_window_attach_image (GdkWindow *window)
   /* Attach this new buffer to the surface */
   wl_surface_attach (impl->surface,
                      _gdk_wayland_shm_surface_get_wl_buffer (impl->cairo_surface),
-                     impl->pending_buffer_offset_x,
-                     impl->pending_buffer_offset_y);
-  impl->pending_buffer_offset_x = 0;
-  impl->pending_buffer_offset_y = 0;
+                     0, 0);
 
   /* Only set the buffer scale if supported by the compositor */
   display = GDK_WAYLAND_DISPLAY (gdk_window_get_display (window));
@@ -2569,32 +2564,6 @@ gdk_wayland_window_get_wl_surface (GdkWindow *window)
   return GDK_WINDOW_IMPL_WAYLAND (window->impl)->surface;
 }
 
-/**
- * gdk_wayland_window_offset_next_wl_buffer:
- * @window (type GdkWaylandWindow): a #GdkWindow
- * @x: x offset which the next buffer should be attached at
- * @y: y offset which the next buffer should be attached at
- *
- * Make GDK attach the next buffer at the given offset. This is useful for
- * DND icons which may have a hotspot other than (0, 0).
- *
- * Since: 3.20
- */
-void
-gdk_wayland_window_offset_next_wl_buffer (GdkWindow *window,
-                                          int        x,
-                                          int        y)
-{
-  GdkWindowImplWayland *impl;
-
-  g_return_if_fail (GDK_IS_WAYLAND_WINDOW (window));
-
-  impl = GDK_WINDOW_IMPL_WAYLAND (window->impl);
-
-  impl->pending_buffer_offset_x = x;
-  impl->pending_buffer_offset_y = y;
-}
-
 static struct wl_egl_window *
 gdk_wayland_window_get_wl_egl_window (GdkWindow *window)
 {