add scrool or click actions

modules/Backlight.qml

@@ -9,6 +9,18 @@ Row {
 
     property int percent: 0
 
+    Process {
+        id: adjProc
+        property string cmd: ""
+        command: ["sh", "-c", cmd]
+        onRunningChanged: if (!running && cmd !== "") current.reload()
+    }
+
+    function adjust(delta) {
+        adjProc.cmd = delta > 0 ? "light -A 5" : "light -U 5";
+        adjProc.running = true;
+    }
+
     FileView {
         id: current
         path: "/sys/class/backlight/intel_backlight/brightness"
@@ -36,4 +48,8 @@ Row {
         font.family: M.Theme.fontFamily
         anchors.verticalCenter: parent.verticalCenter
     }
+
+    WheelHandler {
+        onWheel: event => root.adjust(event.angleDelta.y)
+    }
 }

modules/PowerProfile.qml

@@ -28,4 +28,20 @@ M.BarIcon {
         repeat: true
         onTriggered: proc.running = true
     }
+
+    Process {
+        id: setter
+        property string next: ""
+        command: ["powerprofilesctl", "set", next]
+        onRunningChanged: if (!running && next !== "") proc.running = true
+    }
+
+    TapHandler {
+        onTapped: {
+            const cycle = ["performance", "balanced", "power-saver"];
+            const idx = cycle.indexOf(root.profile);
+            setter.next = cycle[(idx + 1) % cycle.length];
+            setter.running = true;
+        }
+    }
 }

modules/Volume.qml

@@ -26,4 +26,11 @@ Row {
     TapHandler {
         onTapped: if (root.sink?.audio) root.sink.audio.muted = !root.sink.audio.muted
     }
+
+    WheelHandler {
+        onWheel: event => {
+            if (!root.sink?.audio) return;
+            root.sink.audio.volume = Math.max(0, root.sink.audio.volume + (event.angleDelta.y > 0 ? 0.05 : -0.05));
+        }
+    }
 }