Add function to cycle power profiles in reverse order

Modules/Bar/Widgets/PowerProfile.qml

@@ -28,4 +28,5 @@ NIconButton {
   border.color: Style.capsuleBorderColor
   border.width: Style.capsuleBorderWidth
   onClicked: PowerProfileService.cycleProfile()
+  onRightClicked: PowerProfileService.cycleProfileReverse()
 }

Services/Control/IPCService.qml

@@ -392,6 +392,10 @@ Item {
       PowerProfileService.cycleProfile();
     }
 
+    function cycleReverse() {
+      PowerProfileService.cycleProfileReverse();
+    }
+
     function set(mode: string) {
       switch (mode) {
       case "performance":

Services/Power/PowerProfileService.qml

@@ -78,6 +78,18 @@ Singleton {
       setProfile(PowerProfile.Balanced);
   }
 
+  function cycleProfileReverse() {
+    if (!available)
+      return;
+    const current = powerProfiles.profile;
+    if (current === PowerProfile.Performance)
+      setProfile(PowerProfile.Balanced);
+    else if (current === PowerProfile.Balanced)
+      setProfile(PowerProfile.PowerSaver);
+    else if (current === PowerProfile.PowerSaver)
+      setProfile(PowerProfile.Performance);
+    }
+
   function isDefault() {
     if (!available)
       return true;