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Reviewer's GuideThe dock now negotiates compositor-owned interactive resizing through the Treeland layer-shell extension, passing Wayland input and size constraints to the compositor and adapting the QML drag state machine to consume compositor-driven size and lifecycle updates, with legacy client-side resizing retained as a fallback. Sequence diagram for compositor-driven dock resizesequenceDiagram
actor User
participant DragArea
participant DockPanel
participant LayerShell as LayerShellExtension
participant Compositor
User->>DragArea: onPressed
DragArea->>DockPanel: beginDockResize(edges)
DockPanel->>LayerShell: getLayerShellExtensionObject(surface)
DockPanel->>LayerShell: beginResize(seat, serial, edges, constraints)
LayerShell->>Compositor: begin_resize(...)
Compositor-->>LayerShell: resizing(1)
LayerShell-->>DockPanel: resizingChanged(true)
DockPanel-->>DragArea: onIsResizingChanged(true)
Compositor-->>DragArea: configure size
DragArea->>DragArea: update dockSize from width or height
User-->>Compositor: release pointer
Compositor-->>LayerShell: resizing(0)
LayerShell-->>DockPanel: resizingChanged(false)
DockPanel-->>DragArea: onIsResizingChanged(false)
DragArea->>DragArea: finishResize()
Flow diagram for dock resize fallbackflowchart TD
Press["Dock drag begins"] --> Begin["Panel.beginDockResize(edges)"]
Begin --> Available{"Layer-shell extension active and Wayland handles available?"}
Available -->|Yes| Compositor["Compositor owns resize"]
Compositor --> Ignore["Ignore client-side position calculations"]
Ignore --> Configure["Apply compositor-driven width or height"]
Configure --> End["resizingChanged(false) and finishResize()"]
Available -->|No| Legacy["Use legacy client-side drag logic"]
Legacy --> End
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Hey - I've found 2 issues
Prompt for AI Agents
Please address the comments from this code review:
## Individual Comments
### Comment 1
<location path="panels/dock/package/main.qml" line_range="656-671" />
<code_context>
recentDeltas = []
Panel.requestClosePopup()
+
+ var edges = 0
+ if (Panel.position === Dock.Bottom) {
+ edges = Dock.ResizeEdgeTop
+ } else if (Panel.position === Dock.Top) {
+ edges = Dock.ResizeEdgeBottom
+ } else if (Panel.position === Dock.Right) {
+ edges = Dock.ResizeEdgeLeft
+ } else if (Panel.position === Dock.Left) {
+ edges = Dock.ResizeEdgeRight
+ }
+ dock.resizingReceived = false
+ var accepted = Panel.beginDockResize(edges)
</code_context>
<issue_to_address>
**issue (bug_risk):** The mouse release can arrive before the compositor's asynchronous `resizing(1)` event. In that order `resizingReceived` is still false, so `finishResize()` clears `compositorOwnsResize` and releases the grab even though the compositor resize has already been requested; the later compositor resize events then run against a completed client drag and the resize state is lost.
**Triggers:** When the user presses and releases quickly before the compositor's `resizing(1)` event reaches the client.
**Suggested fix:** Track that a compositor resize was requested independently of receipt of `resizing(1)`, and defer finishing the drag until the compositor explicitly reports the resize has ended.
</issue_to_address>
### Comment 2
<location path="panels/dock/layershellextension.h" line_range="47-48" />
<code_context>
+
+ void beginResize(struct ::wl_seat *seat, uint32_t serial, uint32_t edges, int32_t minWidth, int32_t minHeight, int32_t maxWidth, int32_t maxHeight);
+
+ // Rejects begin_resize once that surface is destroyed; callers compare it
+ // against the window's current wl_surface and re-bind when it changed.
+ struct ::wl_surface *nativeSurface() const;
+
+Q_SIGNALS:
</code_context>
<issue_to_address>
**nitpick:** The comment says the wrapper rejects `begin_resize` after the surface is destroyed, but `nativeSurface()` only returns a stored pointer and performs no validity check or rejection. The actual safety behavior depends entirely on the caller comparing the pointer, so the wrapper's documented contract is false and future callers can invoke the protocol operation with a stale surface association.
**Suggested fix:** Change the comment to describe the caller-side comparison, or make `beginResize()` validate the native surface/object lifetime before issuing the request.
```suggestion
// Returns the surface associated with this object; callers compare it
// against the window's current wl_surface and re-bind when it changed.
```
</issue_to_address>
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Add a client wrapper for the treeland layer-shell-extension protocol and wire it into the dock so the compositor owns the interactive resize (referenced protocol PR linuxdeepin/treeland-protocols#104). 加入 layer-shell-extension 协议客户端封装，合成器接管 dock 交互缩放， 替代客户端自身拖拽逻辑。 Log: dock 支持合成器接管缩放 PMS: BUG-294673 Influence: 合成器接管 dock 缩放交互，状态机改为 compositorOwnsResize 驱动， 拖拽期间屏蔽客户端手动计算，flow 与可执行尺寸更稳定。
deepin pr auto review🤖 AI 代码审查报告总体评分： 📊 总体评价
🔍 详细分析1. 语法逻辑 ✅评价： 优秀 ✅ 通过 潜在问题： 建议： 语法正确，逻辑清晰。beginResize() 中有完善的 null 检查链（manager、window、waylandWindow、surface、inputDevice、dockSurface），switch 语句使用 Q_UNREACHABLE() 处理 default 分支，QML 中 compositorDrivenResize 模式切换逻辑合理 2. 代码质量 ✅评价： 优秀 ✅ 通过 潜在问题：
建议： 为 beginResize() 添加函数级注释，说明功能、参数和返回值；考虑将 min/max 尺寸赋值逻辑简化 3. 代码性能 ✅评价： 优秀 ✅ 通过 潜在问题： 建议： 性能良好，资源使用合理。beginResize() 为一次性用户交互操作，无性能瓶颈。QML 中 Connections 使用 enabled 属性控制仅在 resize 期间响应信号，避免不必要的信号处理 4. 代码安全 🔒评价： 优秀 ✅ 通过
安全漏洞详情： 建议： 存在0个安全漏洞，安全合规。Wayland 协议对象通过 QScopedPointer（manager）和 QPointer（object）正确管理生命周期，析构时调用 destroy() 释放协议对象，无安全风险 💡 改进建议代码示例// 建议为 beginResize() 添加函数级注释
/**
* @brief 开始 compositor 驱动的 dock 交互式调整大小
*
* 根据 dock 当前位置确定 resize 边缘方向，通过 TreeLand layer shell
* extension 协议将 resize 操作委托给 compositor 处理。
* compositor 拥有拖拽状态机并通过标准 layer-surface configure
* 事件驱动 surface 尺寸变化。
*
* @return true 如果 resize 操作成功启动
* @return false 如果 manager 不可用、窗口/surface 无效或已有 resize 进行中
*/
bool DockPanel::beginResize()
{
// ... 现有实现代码
}本报告由 AI 代码审查工具自动生成 |
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[APPROVALNOTIFIER] This PR is NOT APPROVED This pull-request has been approved by: 18202781743, gugullll The full list of commands accepted by this bot can be found here. DetailsNeeds approval from an approver in each of these files:Approvers can indicate their approval by writing |
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TAG Bot New tag: 2.0.55 |
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Add a client wrapper for the treeland layer-shell-extension protocol and wire it into the dock so the compositor owns the interactive resize (referenced protocol PR linuxdeepin/treeland-protocols#104).
加入 layer-shell-extension 协议客户端封装，合成器接管 dock 交互缩放，
替代客户端自身拖拽逻辑。
Log: dock 支持合成器接管缩放
PMS: BUG-294673
Influence: 合成器接管 dock 缩放交互，状态机改为 compositorOwnsResize 驱动，
拖拽期间屏蔽客户端手动计算，flow 与可执行尺寸更稳定。
Summary by Sourcery
Enable the compositor to own interactive dock resizing while retaining client-side resize behavior where compositor support is unavailable.
New Features:
Bug Fixes:
Enhancements:
Build: