fix: fix bubble list layout update on height change

panels/notification/bubble/bubblemodel.cpp

@@ -95,15 +95,8 @@ BubbleItem *BubbleModel::replaceBubble(BubbleItem *bubble)
     const auto replaceIndex = replaceBubbleIndex(bubble);
     const auto oldBubble = m_bubbles[replaceIndex];
 
-    // Use remove + insert instead of dataChanged to force the view
-    // to recreate the delegate, so ListView recalculates its height.
-    beginRemoveRows(QModelIndex(), replaceIndex, replaceIndex);
-    m_bubbles.removeAt(replaceIndex);
-    endRemoveRows();
-
-    beginInsertRows(QModelIndex(), replaceIndex, replaceIndex);
-    m_bubbles.insert(replaceIndex, bubble);
-    endInsertRows();
+    m_bubbles.replace(replaceIndex, bubble);
+    Q_EMIT dataChanged(index(replaceIndex), index(replaceIndex));
 
     return oldBubble;
 }

panels/notification/bubble/package/main.qml

@@ -103,6 +103,17 @@ Window {
             bottomMargin: 10
         }
 
+        // itemGeometryChanged() normally triggers forceLayoutPolish() to
+        // re-layout with updated height, but it exits early when a transition
+        // (add/remove/displaced) is running for the first visible item.
+        // Toggle displayMarginBeginning to force forceLayoutPolish() directly,
+        // bypassing the transition check.
+        function requestLayoutFix() {
+            var m = displayMarginBeginning
+            displayMarginBeginning = m + 1
+            displayMarginBeginning = m
+        }
+
         function updateInputRegion() {
             root.DLayerShellWindow.setInputRegionRect(
                 Math.ceil(bubbleView.x),
@@ -171,6 +182,14 @@ Window {
 
         delegate: BubbleDelegate {
             maxCount: model.bubbleCount
+
+            onHeightChanged: {
+                if (index < 0) {
+                    return
+                }
+
+                bubbleView.requestLayoutFix()
+            }
         }
     }
 }