fix(workspaces/hyprland): recover workspace mapping on monitor hotplug

fixes #3133

quickshell/Modules/DankBar/Widgets/WorkspaceSwitcher.qml

@@ -253,6 +253,16 @@ Item {
         return ws.id > 0 ? ws.id : "name:" + (ws.name ?? "");
     }
 
+    // A hotplug can leave the workspace→monitor mapping stale so nothing matches this screen;
+    // show what the monitor itself reports rather than a fabricated workspace "1" (#3133)
+    function hyprlandMonitorWorkspaces(workspaces) {
+        const monitorWorkspaces = workspaces.filter(ws => ws.monitor?.name === root.screenName);
+        if (monitorWorkspaces.length > 0)
+            return monitorWorkspaces.sort(hyprlandWorkspaceOrder);
+        const active = Hyprland.monitors?.values?.find(m => m.name === root.screenName)?.activeWorkspace;
+        return active ? [active] : [];
+    }
+
     function getHyprlandWorkspaces() {
         const workspaces = Hyprland.workspaces?.values || [];
         if (workspaces.length === 0) {
@@ -284,13 +294,7 @@ Item {
         if (!root.screenName || SettingsData.workspaceFollowFocus) {
             filtered = filtered.slice().sort(hyprlandWorkspaceOrder);
         } else {
-            const monitorWorkspaces = filtered.filter(ws => ws.monitor?.name === root.screenName);
-            filtered = monitorWorkspaces.length > 0 ? monitorWorkspaces.sort(hyprlandWorkspaceOrder) : [
-                {
-                    id: 1,
-                    name: "1"
-                }
-            ];
+            filtered = hyprlandMonitorWorkspaces(filtered);
         }
 
         if (!SettingsData.showOccupiedWorkspacesOnly) {

quickshell/Services/CompositorService.qml

@@ -221,6 +221,10 @@ Singleton {
         enabled: isHyprland
 
         function onRawEvent(event) {
+            if (event.name === "monitoraddedv2" || event.name === "monitorremoved") {
+                root.refreshHyprlandMonitorLayout();
+                return;
+            }
             if (event.name === "openwindow" || event.name === "closewindow" || event.name === "movewindow" || event.name === "movewindowv2" || event.name === "workspace" || event.name === "workspacev2" || event.name === "focusedmon" || event.name === "focusedmonv2" || event.name === "activewindow" || event.name === "activewindowv2" || event.name === "changefloatingmode" || event.name === "fullscreen" || event.name === "moveintogroup" || event.name === "moveoutofgroup" || event.name === "activespecial") {
                 try {
                     Hyprland.refreshToplevels();
@@ -690,9 +694,19 @@ Singleton {
         target: Quickshell
         function onScreensChanged() {
             root._recomputeFrameBlocked();
+            root.refreshHyprlandMonitorLayout();
         }
     }
 
+    // Workspace moves can land before Hyprland announces the monitor and before the Wayland
+    // output reaches us, so re-read both models once the screen set settles (#3133)
+    function refreshHyprlandMonitorLayout() {
+        if (!isHyprland)
+            return;
+        Hyprland.refreshMonitors();
+        Hyprland.refreshWorkspaces();
+    }
+
     function _screenForName(screenOrName) {
         if (screenOrName && typeof screenOrName !== "string")
             return screenOrName;