[gtk/fix-dnd: 2/3] gdk: Populate dnd event coords

[Matthias Clasen <matthiasc src gnome org>]

commit 94a0bc01f9ed6775436317ac42ca95a6d60b097c
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Dec 30 11:58:11 2019 -0500

    gdk: Populate dnd event coords
    
    The GdkDrop emit... apis take root coordinates.
    That should be changed to surface coordinates,
    eventually. For now, make the functions fill
    the x, y fields.

 gdk/gdkdrop.c | 10 ++++++++++
 1 file changed, 10 insertions(+)
---
diff --git a/gdk/gdkdrop.c b/gdk/gdkdrop.c
index ea85862a4c..ae606cb73c 100644
--- a/gdk/gdkdrop.c
+++ b/gdk/gdkdrop.c
@@ -938,6 +938,9 @@ gdk_drop_emit_motion_event (GdkDrop  *self,
 {
   GdkDropPrivate *priv = gdk_drop_get_instance_private (self);
   GdkEvent *event;
+  int x, y;
+
+  gdk_surface_get_origin (priv->surface, &x, &y);
 
   event = gdk_event_new (GDK_DRAG_MOTION);
   event->any.surface = g_object_ref (priv->surface);
@@ -945,6 +948,8 @@ gdk_drop_emit_motion_event (GdkDrop  *self,
   event->dnd.time = time;
   event->dnd.x_root = x_root;
   event->dnd.y_root = y_root;
+  event->dnd.x = x_root - x;
+  event->dnd.y = y_root - y;
   gdk_event_set_device (event, priv->device);
 
   gdk_drop_do_emit_event (event, dont_queue);
@@ -976,6 +981,9 @@ gdk_drop_emit_drop_event (GdkDrop  *self,
 {
   GdkDropPrivate *priv = gdk_drop_get_instance_private (self);
   GdkEvent *event;
+  int x, y;
+
+  gdk_surface_get_origin (priv->surface, &x, &y);
 
   event = gdk_event_new (GDK_DROP_START);
   event->any.surface = g_object_ref (priv->surface);
@@ -983,6 +991,8 @@ gdk_drop_emit_drop_event (GdkDrop  *self,
   event->dnd.time = time;
   event->dnd.x_root = x_root;
   event->dnd.y_root = y_root;
+  event->dnd.x = x_root - x;
+  event->dnd.y = y_root - y;
   gdk_event_set_device (event, priv->device);
 
   gdk_drop_do_emit_event (event, dont_queue);