From: Florian Müllner <fmuellner@gnome.org>
Date: Wed, 2 Aug 2023 16:09:46 +0000 (+0200)
Subject: status/backlight: Notify slider value changes
X-Git-Tag: archive/raspbian/50.5-1+rpi1~1^2~337^2~1^2~60
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/%22/%22http:/www.example.com/cgi/%22?a=commitdiff_plain;h=7c4b1d4ae62cfc6c5b0637819d465ce8968bd944;p=gnome-shell.git

status/backlight: Notify slider value changes

The custom setter used by the slider item isn't emitting change
notifications, so the property binding that uses it as source
never propagates the new value.

Fix this by emitting proper change notifications.

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2856>
---

diff --git a/js/ui/status/backlight.js b/js/ui/status/backlight.js
index cb2904ece..e7cf7e795 100644
--- a/js/ui/status/backlight.js
+++ b/js/ui/status/backlight.js
@@ -44,9 +44,14 @@ const SliderItem = GObject.registerClass({
     }
 
     set value(value) {
+        if (this.value === value)
+            return;
+
         this._slider.block_signal_handler(this._sliderChangedId);
         this._slider.value = value / 100;
         this._slider.unblock_signal_handler(this._sliderChangedId);
+
+        this.notify('value');
     }
 });