Add idle timeouts to the Quick Settings General tab

shell/plugins/panels/quick-settings/GeneralTab.qml

@@ -0,0 +1,59 @@
+import QtQuick
+import qs.Commons
+
+Column {
+  id: root
+
+  property bool polling: false
+  property int brightness: 0
+  property int screensaverSeconds: 0
+  property int lockSeconds: 0
+  property bool stayAwake: false
+
+  signal brightnessRequested(int value)
+  signal timeoutRequested(string key, int seconds)
+
+  spacing: Style.spaceReal(12)
+
+  Calendar {
+    width: parent.width
+    polling: root.polling
+  }
+
+  SliderRow {
+    width: parent.width
+    icon: ""
+    value: root.brightness
+    onValueRequested: function(next) { root.brightnessRequested(next) }
+  }
+
+  TimeoutRow {
+    width: parent.width
+    icon: ""
+    label: "Screensaver after"
+    seconds: root.screensaverSeconds
+    presetMinutes: [1, 2, 5, 10, 15, 30, 60]
+    onSecondsRequested: function(seconds) { root.timeoutRequested("screensaver", seconds) }
+  }
+
+  TimeoutRow {
+    width: parent.width
+    icon: ""
+    label: "Lock after"
+    seconds: root.lockSeconds
+    presetMinutes: [1, 2, 5, 10, 15, 30, 60, 120]
+    onSecondsRequested: function(seconds) { root.timeoutRequested("lock", seconds) }
+  }
+
+  Text {
+    width: parent.width
+    visible: root.stayAwake
+    horizontalAlignment: Text.AlignHCenter
+    wrapMode: Text.WordWrap
+    text: "Stay Awake is on, so neither starts until it is turned off."
+    textFormat: Text.PlainText
+    color: Util.alpha(Color.foreground, 0.6)
+    font.family: Style.font.family
+    font.pixelSize: Style.font.bodySmall
+  }
+}