From 67288549e65e7a75cd0790c6b5e9a460b8f9a395 Mon Sep 17 00:00:00 2001
From: zhaoyingzhen <zhaoyingzhen@uniontech.com>
Date: Mon, 15 Jun 2026 14:12:59 +0800
Subject: [PATCH] fix: prevent app list item overlap after drag on Wayland
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In category and name sorting modes, the windowed app list should not reorder
items when an item is dragged. On Wayland/Treeland, using the visible
ItemDelegate itself as the MouseArea drag target can leave the delegate at a
dragged offset after release, causing it to overlap with other list items.

Use a dummy invisible Item as the drag target in AppListView so the platform
drag operation can still start for dock pinning, while the real delegate
remains under ListView layout control.

在按分类和按名称排序模式下，窗口模式左侧应用列表不应通过拖拽改变位置。
在 Wayland/Treeland 环境中，如果直接把可见的 ItemDelegate 作为 MouseArea
的拖拽目标，释放后 delegate 可能停留在拖拽偏移位置，导致与其他列表项重叠。

在 AppListView 中改用不可见的 dummy Item 作为拖拽目标，保留拖到 Dock 的
平台拖拽能力，同时让真实 delegate 继续由 ListView 布局管理。

Log: prevent app list item overlap after drag on Wayland
Pms: BUG-295171
Change-Id: Ie8df5b75712b552d755a164c59053f518e5a8313
---
 qml/windowed/AppListView.qml | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/qml/windowed/AppListView.qml b/qml/windowed/AppListView.qml
index 24878853..4896c1b1 100644
--- a/qml/windowed/AppListView.qml
+++ b/qml/windowed/AppListView.qml
@@ -225,9 +225,12 @@ FocusScope {
                 MouseArea {
                     id: mouseArea
                     anchors.fill: parent
+
+                    // Use a dummy Item as drag.target so Wayland dnd doesn't break the original ItemDelegate layout
+                    Item { id: dndTarget }
                     
                     acceptedButtons: Qt.LeftButton | Qt.RightButton
-                    drag.target: itemDelegate
+                    drag.target: dndTarget
                     // 当分类菜单打开时，禁用拖拽功能
                     enabled: !(ddeCategoryMenu.visible || alphabetCategoryPopup.visible)