broadway: Implement gdk_broadway_device_window_at_position

This is required for ungrabs to work properly

diff --git a/gdk/broadway/gdkdevice-broadway.c b/gdk/broadway/gdkdevice-broadway.c
index 6b2b672f3eba2d23a0933303e2d7d1a29cc6d412..8c4679d275f1230a9a8d3d1a59ea53cd23e24275 100644 (file)
--- a/gdk/broadway/gdkdevice-broadway.c
+++ b/gdk/broadway/gdkdevice-broadway.c
@@ -362,6 +362,18 @@ gdk_broadway_device_window_at_position (GdkDevice       *device,
                                        GdkModifierType *mask,
                                        gboolean         get_toplevel)
 {
+  gboolean res;
+  GdkScreen *screen;
+  GdkWindow *root_window;
+  GdkWindow *window;
+
+  screen = gdk_screen_get_default ();
+  root_window = gdk_screen_get_root_window (screen);
+
+  res = gdk_broadway_device_query_state (device, root_window, NULL, &window, NULL, NULL, win_x, win_y, mask);
+  if (res)
+    return window;
+
   return NULL;
 }