Build complete PipeWire sound settings

2026-08-18 05:54:14 -04:00
parent 81096e2d95
commit 3cfa592db9
9 changed files with 600 additions and 43 deletions
@@ -0,0 +1,72 @@
+import QtQuick
+import Quickshell
+import Quickshell.Services.Pipewire
+import qs.config
+import qs.widgets
+
+SettingRow {
+    id: root
+
+    property var node: null
+
+    label: "Balance"
+    detail: "Adjust the left and right channels"
+    controlWidth: 270
+    visible: root.available
+    divider: false
+
+    PwObjectTracker {
+        objects: root.node ? [root.node] : []
+    }
+
+    function channelIndex(channel): int {
+        if (!root.node?.audio)
+            return -1;
+        const channels = root.node.audio.channels;
+        for (let index = 0; index < channels.length; index++) {
+            if (channels[index] === channel)
+                return index;
+        }
+        return -1;
+    }
+
+    readonly property int leftIndex: root.channelIndex(PwAudioChannel.FrontLeft)
+    readonly property int rightIndex: root.channelIndex(PwAudioChannel.FrontRight)
+    readonly property bool available: root.node?.audio
+        && root.leftIndex >= 0 && root.rightIndex >= 0
+        && root.node.audio.volumes.length > Math.max(root.leftIndex, root.rightIndex)
+
+    readonly property real position: {
+        if (!root.available)
+            return 0.5;
+        const left = root.node.audio.volumes[root.leftIndex];
+        const right = root.node.audio.volumes[root.rightIndex];
+        const level = Math.max(left, right);
+        if (level <= 0.001)
+            return 0.5;
+        return right >= left ? 0.5 + (1 - left / level) * 0.5
+                             : 0.5 - (1 - right / level) * 0.5;
+    }
+
+    function setBalance(value: real): void {
+        if (!root.available)
+            return;
+        const next = Array.from(root.node.audio.volumes);
+        const level = Math.max(next[root.leftIndex], next[root.rightIndex], 0.001);
+        if (value < 0.5) {
+            next[root.leftIndex] = level;
+            next[root.rightIndex] = level * value * 2;
+        } else {
+            next[root.leftIndex] = level * (1 - value) * 2;
+            next[root.rightIndex] = level;
+        }
+        root.node.audio.volumes = next;
+    }
+
+    ValueSlider {
+        anchors.fill: parent
+        value: root.position
+        icon: "audio-speakers-symbolic"
+        onMoved: value => root.setBalance(value)
+    }
+}