floating-bar: Don't use gdk_window_get_position()

It's gone in GTK4.

Instead, translate to parent widget coordinates, which is the
same coordinate system we get from the event controller.

1 files changed, 4 insertions, 1 deletions

diff --git a/src/nautilus-floating-bar.c b/src/nautilus-floating-bar.c
index 8f6393cf8..bd148eea3 100644
--- a/src/nautilus-floating-bar.c
+++ b/src/nautilus-floating-bar.c
@@ -244,6 +244,7 @@ on_event_controller_motion_enter (GtkEventControllerMotion *controller,
                                   gpointer                  user_data)
 {
     NautilusFloatingBar *self = NAUTILUS_FLOATING_BAR (user_data);
+    GtkWidget *parent;
     CheckPointerData *data;
     gint y_pos;
 
@@ -254,7 +255,9 @@ on_event_controller_motion_enter (GtkEventControllerMotion *controller,
         return;
     }
 
-    gdk_window_get_position (gtk_widget_get_window (GTK_WIDGET (self)), NULL, &y_pos);
+    parent = gtk_event_controller_get_widget (GTK_EVENT_CONTROLLER (controller));
+    gtk_widget_translate_coordinates (GTK_WIDGET (self), parent, 0, 0, NULL, &y_pos);
+
     if (y < y_pos)
     {
         return;