From f75ebb4b5f366274cfa2e9cabdef03dcb042c9e6 Mon Sep 17 00:00:00 2001
From: "Danilo M." <danix@danix.xyz>
Date: Sat, 7 Nov 2026 11:56:01 +0100
Subject: island: the panel slider as its own file, for the Sonix panel too

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
---
 desktop/island/PanelSlider.qml | 106 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 106 insertions(+)
 create mode 100644 desktop/island/PanelSlider.qml

(limited to 'desktop/island/PanelSlider.qml')

diff --git a/desktop/island/PanelSlider.qml b/desktop/island/PanelSlider.qml
new file mode 100644
index 0000000..bbc0872
--- /dev/null
+++ b/desktop/island/PanelSlider.qml
@@ -0,0 +1,106 @@
+// Copyright (C) 2026 Danilo M. <danix@danix.xyz>
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License version 2 as
+// published by the Free Software Foundation.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+import Quickshell
+import Quickshell.Widgets
+import QtQuick
+import ".."
+
+// An icon, a track and a label: drag or click sets, the wheel steps one per
+// notch. Shared by the headphones and Sonix panels. The width is the user's.
+Row {
+    id: row
+    property int cp: 0
+    property string icon: ""
+    property real value: 0
+    property bool muted: false
+    property string label: ""
+    signal moved(real v)
+    signal stepped(int d)
+    signal iconClicked()
+
+    spacing: 10
+
+    Item {
+        anchors.verticalCenter: parent.verticalCenter
+        width: 20
+        height: 20
+
+        Text {
+            visible: row.icon === ""
+            anchors.centerIn: parent
+            text: String.fromCodePoint(row.cp)
+            font { family: Theme.iconFamily; pixelSize: 20 }
+            color: Theme.subtext
+        }
+
+        IconImage {
+            visible: row.icon !== ""
+            anchors.centerIn: parent
+            implicitSize: 18
+            source: row.icon !== "" ? Quickshell.iconPath(row.icon, true) : ""
+        }
+
+        MouseArea {
+            anchors.fill: parent
+            enabled: row.enabled
+            cursorShape: Qt.PointingHandCursor
+            onClicked: row.iconClicked()
+        }
+    }
+
+    Rectangle {
+        anchors.verticalCenter: parent.verticalCenter
+        width: row.width - 20 - 44 - row.spacing * 2
+        height: 8
+        radius: 4
+        color: Theme.surface
+
+        Rectangle {
+            height: parent.height
+            radius: parent.radius
+            width: parent.width * Math.max(0, Math.min(1, row.value))
+            color: row.muted ? Theme.red : Theme.accent
+            opacity: row.muted ? 0.5 : 1
+        }
+
+        // Taller than the track so it is easy to hit. A MouseArea for the
+        // wheel, not a WheelHandler (AGENTS.md); one step per notch (120),
+        // since a touchpad sends many small deltas.
+        MouseArea {
+            anchors { fill: parent; topMargin: -8; bottomMargin: -8 }
+            enabled: row.enabled
+            preventStealing: true
+            cursorShape: Qt.PointingHandCursor
+            property real acc: 0
+            function at(x) { return Math.max(0, Math.min(1, x / width)); }
+            onPressed: mouse => row.moved(at(mouse.x))
+            onPositionChanged: mouse => { if (pressed) row.moved(at(mouse.x)); }
+            onWheel: wheel => {
+                acc += wheel.angleDelta.y;
+                while (Math.abs(acc) >= 120) {
+                    row.stepped(acc > 0 ? 1 : -1);
+                    acc -= acc > 0 ? 120 : -120;
+                }
+                wheel.accepted = true;
+            }
+        }
+    }
+
+    Text {
+        anchors.verticalCenter: parent.verticalCenter
+        width: 44
+        horizontalAlignment: Text.AlignRight
+        text: row.label
+        font { family: Theme.fontFamily; pixelSize: Theme.fontSize - 2 }
+        color: row.muted ? Theme.red : Theme.subtext
+    }
+}
-- 
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