popout: fix opening popouts across monitors

cc/brightness: fix delegate bindings and pinning

quickshell/Widgets/DankPopoutConnected.qml

@@ -357,14 +357,19 @@ Item {
         animationsEnabled = false;
         _primeContent = true;
 
-        if (_lastOpenedScreen !== null && _lastOpenedScreen !== screen) {
+        const screenChanged = _lastOpenedScreen !== null && _lastOpenedScreen !== screen;
+        if (screenChanged) {
+            // Hide on this tick so Qt actually tears down the wl_surface; the show
+            // gets deferred below so the unmap is processed before the remap.
             contentWindow.visible = false;
         }
         _lastOpenedScreen = screen;
 
         if (contentContainer) {
-            // animationsEnabled is false here, so this snaps to closed without animating.
-            morph.openProgress = 0;
+            // Snap morph closed only on a fresh open; on screen-change re-open we stay at 1
+            // because shouldBeVisible doesn't change and won't drive morph back to 1.
+            if (!shouldBeVisible)
+                morph.openProgress = 0;
             _captureChromeAnimTravel();
         }
 
@@ -375,12 +380,25 @@ Item {
             _chromeClaimId = "";
         }
 
-        contentWindow.visible = true;
+        if (screenChanged) {
+            // Defer the show one event-loop tick. Qt coalesces a synchronous
+            // false→true visibility flip into a no-op, leaving WindowBlur committed
+            // to the previous screen's wl_surface. Splitting the flip across ticks
+            // forces a real surface destroy+create so BackgroundEffect.surfaceCreated
+            // fires and the blur region republishes on the new surface.
+            Qt.callLater(() => {
+                if (!root.shouldBeVisible)
+                    return;
+                contentWindow.visible = true;
+                popoutBlur.kick();
+            });
+        } else {
+            contentWindow.visible = true;
+        }
 
         animationsEnabled = true;
         shouldBeVisible = true;
         if (shouldBeVisible && screen) {
-            contentWindow.visible = true;
             PopoutManager.showPopout(popoutHandle);
             opened();
         }
@@ -1081,7 +1099,9 @@ Item {
                         Connections {
                             target: contentWindow
                             function onVisibleChanged() {
-                                if (!contentWindow.visible)
+                                // open() flips contentWindow.visible to rebind the layer surface to
+                                // a new screen; don't deactivate the wrapper while still open.
+                                if (!contentWindow.visible && !root.shouldBeVisible)
                                     contentWrapper._renderActive = false;
                             }
                         }