From 67d229c702a7422b5a996730577ebdb8eef1f8c5 Mon Sep 17 00:00:00 2001
From: 2 * r + 2 * t <61896496+soramanew@users.noreply.github.com>
Date: Sat, 26 Jul 2025 13:16:18 +1000
Subject: brightness: debounce ddc changes

---
 services/Brightness.qml | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'services')

diff --git a/services/Brightness.qml b/services/Brightness.qml
index eab5468..4654996 100644
--- a/services/Brightness.qml
+++ b/services/Brightness.qml
@@ -86,6 +86,7 @@ Singleton {
         readonly property string busNum: root.ddcMonitors.find(m => m.model === modelData.model)?.busNum ?? ""
         readonly property bool isAppleDisplay: root.appleDisplayPresent && modelData.model.startsWith("StudioDisplay")
         property real brightness
+        property real queuedBrightness
 
         readonly property Process initProc: Process {
             stdout: StdioCollector {
@@ -101,11 +102,22 @@ Singleton {
             }
         }
 
+        readonly property Timer timer: Timer {
+            interval: 500
+            onTriggered: monitor.setBrightness(monitor.queuedBrightness)
+        }
+
         function setBrightness(value: real): void {
             value = Math.max(0, Math.min(1, value));
             const rounded = Math.round(value * 100);
             if (Math.round(brightness * 100) === rounded)
                 return;
+
+            if (isDdc && timer.running) {
+                queuedBrightness = value;
+                return;
+            }
+
             brightness = value;
 
             if (isAppleDisplay)
@@ -114,6 +126,8 @@ Singleton {
                 Quickshell.execDetached(["ddcutil", "-b", busNum, "setvcp", "10", rounded]);
             else
                 Quickshell.execDetached(["brightnessctl", "s", `${rounded}%`]);
+
+            timer.restart();
         }
 
         function initBrightness(): void {
-- 
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