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From: Daniel van Vugt <daniel.van.vugt@canonical.com>
Date: Tue, 23 Sep 2025 14:12:56 +0800
Subject: slider: Use the sprite of the touch event, not the pointer
startDragging() starts with:
const sprite = backend.get_sprite(global.stage, event);
this._sprite = sprite;
but then vfunc_touch_event() would only compare this._sprite to:
sprite = backend.get_pointer_sprite(global.stage);
which never matched. And so _endDragging() was never called and
the grab was never dismissed, effectively freezing the shell.
Bug: https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/8660
Fixes: c206ec693 ("slider: Use Clutter.Sprite for pointing focus accounting")
Forwarded: https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/3887
Origin: upstream, 49.1, commit:e54aa588c1604b63e2f051e20c1ecb3e601beb5c
---
js/ui/slider.js | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/js/ui/slider.js b/js/ui/slider.js
index 2cf5f14..05861b5 100644
--- a/js/ui/slider.js
+++ b/js/ui/slider.js
@@ -132,7 +132,7 @@ export const Slider = GObject.registerClass({
vfunc_touch_event(event) {
const backend = global.stage.get_context().get_backend();
- const sprite = backend.get_pointer_sprite(global.stage);
+ const sprite = backend.get_sprite(global.stage, event);
if (!this._dragging &&
event.type() === Clutter.EventType.TOUCH_BEGIN) {
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