refactor(Xray): Update Xray & standalone to frame transitions

- Fix dbar autohide with Xray options that could have blocked bar area content
- Fixes #2729

quickshell/Services/HyprlandService.qml

@@ -25,6 +25,22 @@ Singleton {
     property bool luaConfigStatusReady: false
     property bool luaConfigStatusLoading: false
     property string luaConfigFormat: ""
+    property bool layoutGenerationPending: false
+    property bool layoutGenerationRunning: false
+    property int _layoutRequestRevision: 0
+    property int _layoutAppliedRevision: 0
+    property int _frameTransitionRevision: 0
+    readonly property bool frameLayoutReady: _layoutAppliedRevision >= _frameTransitionRevision
+
+    DeferredAction {
+        id: layoutGenerationAction
+        onTriggered: root.doGenerateLayoutConfig()
+    }
+
+    onLuaConfigStatusLoadingChanged: {
+        if (!luaConfigStatusLoading && layoutGenerationPending)
+            layoutGenerationAction.schedule();
+    }
 
     onLuaConfigActiveChanged: {
         if (luaConfigActive)
@@ -237,18 +253,39 @@ Singleton {
         });
     }
 
-    function reloadConfig() {
+    function reloadConfig(callback) {
         Proc.runCommand("hyprctl-reload", ["hyprctl", "reload"], (output, exitCode) => {
             if (exitCode !== 0)
                 log.warn("hyprctl reload failed:", output);
+            if (callback)
+                callback(exitCode === 0);
         });
     }
 
-    function generateLayoutConfig() {
+    function generateLayoutConfig(frameTransition) {
         if (!CompositorService.isHyprland)
             return;
-        if (!canWriteLuaConfig("layout"))
+        _layoutRequestRevision++;
+        if (frameTransition === true)
+            _frameTransitionRevision = _layoutRequestRevision;
+        layoutGenerationPending = true;
+        layoutGenerationAction.schedule();
+    }
+
+    function doGenerateLayoutConfig() {
+        if (layoutGenerationRunning)
             return;
+        layoutGenerationPending = false;
+        const requestRevision = _layoutRequestRevision;
+        if (!canWriteLuaConfig("layout")) {
+            if (luaConfigStatusLoading || !luaConfigStatusReady) {
+                layoutGenerationPending = true;
+                return;
+            }
+            _layoutAppliedRevision = Math.max(_layoutAppliedRevision, requestRevision);
+            return;
+        }
+        layoutGenerationRunning = true;
 
         const defaultRadius = typeof SettingsData !== "undefined" ? SettingsData.cornerRadius : 12;
         const defaultGaps = typeof SettingsData !== "undefined" ? Math.max(4, (SettingsData.barConfigs[0]?.spacing ?? 4)) : 4;
@@ -262,10 +299,9 @@ Singleton {
         const barFrameXrayEnabled = typeof SettingsData === "undefined" || SettingsData.hyprlandLayoutBarXrayEnabled;
         const frameEnabled = typeof SettingsData !== "undefined" && SettingsData.frameEnabled;
         const frameConnectedMode = frameEnabled && SettingsData.frameMode === "connected";
-
-        // Hyprland's `xray = false` is still in early development, so unlike niri we never emit it (unset already
-        // samples real content) - we only force xray=true
-        const barFrameTargetNamespace = !frameEnabled ? "dms:bar" : (frameConnectedMode ? null : "dms:frame");
+        // Hyprland `xray = false` is still early-development; unset already samples real content, so only force xray=true
+        // Standalone Bar Xray is safe only while every active bar reserves its strip
+        const barFrameTargetNamespace = !frameEnabled ? (SettingsData.standaloneBarXrayAvailable ? "dms:bar" : null) : (frameConnectedMode ? null : "dms:frame");
 
         let content = `-- Auto-generated by DMS — do not edit manually
 
@@ -302,10 +338,21 @@ hl.layer_rule({
         Proc.runCommand("hypr-write-layout", ["sh", "-c", `mkdir -p "${hyprDmsDir}" && cat > "${layoutPath}" << 'EOF'\n${content}EOF`], (output, exitCode) => {
             if (exitCode !== 0) {
                 log.warn("Failed to write layout config:", output);
+                // Best-effort ack so a failed write can't wedge frame transitions
+                _layoutAppliedRevision = Math.max(_layoutAppliedRevision, requestRevision);
+                layoutGenerationRunning = false;
+                if (layoutGenerationPending)
+                    layoutGenerationAction.schedule();
                 return;
             }
             log.info("Generated layout config at", layoutPath);
-            reloadConfig();
+            reloadConfig(success => {
+                // Advance even on failure — proceed degraded rather than wedge the transition
+                _layoutAppliedRevision = Math.max(_layoutAppliedRevision, requestRevision);
+                layoutGenerationRunning = false;
+                if (layoutGenerationPending)
+                    layoutGenerationAction.schedule();
+            });
         });
     }