add powermodes

bar/SystemStats.qml

@@ -28,6 +28,19 @@ RowLayout {
     property string batStatus: ""
     property string batTime:   ""     // "H:MM" remaining, empty when unknown
     property string netIp:     ""
+    property string powerProfile: "balanced"
+
+    readonly property var profileIcons: ({
+        "power-saver": "󰌪",
+        "balanced":    "󰾅",
+        "performance": "󱐋"
+    })
+
+    readonly property var profileColors: ({
+        "power-saver": Colors.accent,
+        "balanced":    Colors.fg,
+        "performance": Colors.warning
+    })
 
     // ── Line parser ───────────────────────────────────────────────────────────
     function parseLine(line) {
@@ -64,6 +77,37 @@ RowLayout {
         }
     }
 
+    // ── Power profile ─────────────────────────────────────────────────────────
+    Process {
+        id: getPowerProc
+        command: ["powerprofilesctl", "get"]
+        running: true
+        stdout: SplitParser {
+            onRead: data => {
+                const p = data.trim();
+                if (p.length > 0) root.powerProfile = p;
+            }
+        }
+    }
+
+    Process {
+        id: setPowerProc
+        property string target: ""
+        command: ["powerprofilesctl", "set", setPowerProc.target]
+        onExited: (code, status) => {
+            if (code === 0) getPowerProc.running = true;
+        }
+    }
+
+    function cycleProfile() {
+        const profiles = ["power-saver", "balanced", "performance"];
+        const idx = profiles.indexOf(powerProfile);
+        const next = profiles[(idx + 1) % profiles.length];
+        powerProfile = next;
+        setPowerProc.target = next;
+        setPowerProc.running = true;
+    }
+
     // ── Process ───────────────────────────────────────────────────────────────
     Process {
         id: statsProc
@@ -174,15 +218,37 @@ RowLayout {
         }
     }
 
-    // ── CPU load average ──────────────────────────────────────────────────────
-    RowLayout {
-        spacing: 4
-        Text { text: "󰻠"; color: Colors.fg; font.pixelSize: 15 }
-        Text {
-            text: root.loadAvg.toFixed(2)
-            color: root.loadAvg > root.cpuCores       ? Colors.critical :
-                   root.loadAvg > root.cpuCores * 0.7 ? Colors.warning : Colors.fg
-            font.pixelSize: 13
+    // ── CPU load average + power profile ─────────────────────────────────────
+    Item {
+        implicitWidth:  cpuRow.implicitWidth
+        implicitHeight: cpuRow.implicitHeight
+
+        TapHandler {
+            onTapped: root.cycleProfile()
+        }
+
+        RowLayout {
+            id: cpuRow
+            anchors.fill: parent
+            spacing: 4
+
+            Text {
+                text: "󰻠"
+                color: Colors.fg
+                font.pixelSize: 15
+            }
+            Text {
+                text: root.profileIcons[root.powerProfile] ?? ""
+                color: root.profileColors[root.powerProfile] ?? Colors.fg
+                font.pixelSize: 13
+                Behavior on color { ColorAnimation { duration: 80 } }
+            }
+            Text {
+                text: root.loadAvg.toFixed(2)
+                color: root.loadAvg > root.cpuCores       ? Colors.critical :
+                       root.loadAvg > root.cpuCores * 0.7 ? Colors.warning : Colors.fg
+                font.pixelSize: 13
+            }
         }
     }