displays: support for multiple output profiles

- add support for deleting unplugged configs
- Option to hide disconnected displays
fixes #1453

quickshell/Common/SettingsData.qml

@@ -519,6 +519,10 @@ Singleton {
     property var showOnLastDisplay: ({})
     property var niriOutputSettings: ({})
     property var hyprlandOutputSettings: ({})
+    property var displayProfiles: ({})
+    property var activeDisplayProfile: ({})
+    property bool displayProfileAutoSelect: false
+    property bool displayShowDisconnected: false
 
     property var barConfigs: [
         {
@@ -2256,6 +2260,39 @@ Singleton {
         saveSettings();
     }
 
+    function getDisplayProfiles(compositor) {
+        return displayProfiles[compositor] || {};
+    }
+
+    function setDisplayProfile(compositor, profileId, data) {
+        const updated = JSON.parse(JSON.stringify(displayProfiles));
+        if (!updated[compositor])
+            updated[compositor] = {};
+        updated[compositor][profileId] = data;
+        displayProfiles = updated;
+        saveSettings();
+    }
+
+    function removeDisplayProfile(compositor, profileId) {
+        if (!displayProfiles[compositor] || !displayProfiles[compositor][profileId])
+            return;
+        const updated = JSON.parse(JSON.stringify(displayProfiles));
+        delete updated[compositor][profileId];
+        displayProfiles = updated;
+        saveSettings();
+    }
+
+    function getActiveDisplayProfile(compositor) {
+        return activeDisplayProfile[compositor] || "";
+    }
+
+    function setActiveDisplayProfile(compositor, profileId) {
+        const updated = JSON.parse(JSON.stringify(activeDisplayProfile));
+        updated[compositor] = profileId;
+        activeDisplayProfile = updated;
+        saveSettings();
+    }
+
     ListModel {
         id: leftWidgetsModel
     }