From 2eb1a31e16bc08da96f53a381943bb0c76073ce4 Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Thu, 21 Aug 2025 17:16:36 -0600
Subject: [PATCH] canvas: fix enter notify event handler to work with gtk
 ungrabs

GTK delivers both window and root coordinates as (0,0) for GDK_CROSSING_GTK_UNGRAB
modes. We need the real coordinates of the pointer to pick the right canvas item
---
 libs/canvas/canvas.cc | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/libs/canvas/canvas.cc b/libs/canvas/canvas.cc
index 680279732d..523dfce2c0 100644
--- a/libs/canvas/canvas.cc
+++ b/libs/canvas/canvas.cc
@@ -1396,7 +1396,13 @@ GtkCanvas::on_touch_end_event (GdkEventTouch *ev)
 bool
 GtkCanvas::on_enter_notify_event (GdkEventCrossing* ev)
 {
-	pick_current_item (Duple (ev->x, ev->y), ev->state);
+	if (ev->mode == GDK_CROSSING_GTK_UNGRAB) {
+		int px, py;
+		get_pointer (px, py);
+		pick_current_item (Duple (px, py), ev->state);
+	} else {
+		pick_current_item (Duple (ev->x, ev->y), ev->state);
+	}
 	return true;
 }