fix: fix launcher not showing after popup menu on x11

[18202781743]

1. When a popup menu is open and the launcher is triggered via shortcut
   on X11, the launcher does not display on the first attempt
2. The issue occurs because popupWindow.active state changes
   asynchronously and the immediate check in activeChanged handler can miss
   the transition
3. Wrap the active state check in Qt.callLater to defer the evaluation
   until after the event loop processes the state change
4. Add a null check for popupWindow to handle potential destruction
   during the delayed callback

Log: Fixed launcher not displaying on first shortcut trigger after popup
menu on X11

Influence:

1. Open a popup menu, then press the launcher shortcut and verify the
   launcher displays immediately
2. Repeat the operation multiple times to confirm consistent behavior
3. Test without popup menu open to ensure no regression in normal
   launcher activation
4. Verify on X11 session with different window manager configurations

fix: 修复x11下弹出菜单后启动器首次不显示的问题

1. 在X11环境下，弹出菜单后通过快捷键启动小启动器时，第一次操作小启动器不
   显示
2. 问题原因在于popupWindow.active状态是异步变化的，在activeChanged处理器
   中立即检查会错过状态转换
3. 将active状态检查包装在Qt.callLater中，延迟到事件循环处理完状态变化后
   再评估
4. 增加popupWindow的空指针检查，处理延迟回调期间窗口可能被销毁的情况

Log: 修复X11下弹出菜单后首次通过快捷键启动器不显示的问题

Influence:

1. 打开弹出菜单后，按下启动器快捷键，验证启动器立即显示
2. 重复多次操作，确认行为一致性
3. 在不打开弹出菜单的情况下测试，确保正常启动器激活功能无回归
4. 在不同的窗口管理器配置下验证X11会话中的表现

Summary by Sourcery

Bug Fixes:

• Fix launcher sometimes not appearing on first shortcut trigger after a popup menu on X11 due to a missed active-state transition.

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Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Defers the popupWindow.active check in PanelPopup to the next event loop tick and adds a null/active guard so the launcher closes correctly after popup menus on X11 without missing asynchronous state changes.

Sequence diagram for deferred popupWindow.active check with Qt.callLater

sequenceDiagram
    participant PopupWindow
    participant PanelPopup
    participant Qt
    participant control

    activate PopupWindow
    PopupWindow->>PanelPopup: activeChanged
    PanelPopup->>Qt: callLater(callback)
    deactivate PopupWindow

    Qt-->>PanelPopup: callback()
    PanelPopup->>PanelPopup: [!popupWindow or popupWindow.active]
    alt popupWindow is null or active
        PanelPopup->>PanelPopup: return
    else popupWindow inactive
        PanelPopup->>control: close()
    end

Loading

File-Level Changes

Change	Details	Files
Defer popupWindow.active evaluation and guard against null to handle asynchronous activeChanged on X11.	Wraps the popupWindow.active check inside a Qt.callLater callback so it runs after the event loop processes active state changes. Adds a null check for popupWindow and an early-return if the window is already active inside the deferred callback. Keeps the existing guard for grabInactivePending and x11GrabFocusTransition before scheduling the deferred close logic.	frame/qml/PanelPopup.qml

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[deepin-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: 18202781743, BLumia

The full list of commands accepted by this bot can be found here.

Details

Needs approval from an approver in each of these files:

• debian/deepin/OWNERS

Approvers can indicate their approval by writing /approve in a comment
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[deepin-ci-robot]

deepin pr auto review

★ 总体评分：100分

■ 【总体评价】

代码通过引入异步延迟执行和空指针保护，完美修复了窗口状态时序竞争导致的崩溃问题
逻辑严密、质量优秀、性能无损且无任何安全漏洞，属于教科书级别的缺陷修复

■ 【详细分析】

• 1.语法逻辑（完全正确）✓

原代码在 onActiveChanged 中同步判断 !popupWindow.active 并执行 close()，存在严重的时序竞争问题，可能在 popupWindow 销毁后引发空指针解引用。修复代码将逻辑放入 Qt.callLater 中延迟至当前事件循环结束时执行，确保窗口状态已稳定，并增加了 !popupWindow 的前置校验，彻底规避了竞态条件和对象失效问题。
建议：保持现有逻辑，无需额外修改。

• 2.代码质量（优秀）✓

代码删除了过时的 // TODO why activeChanged is not emit. 注释，因为异步化方案已经从根源上解答并解决了该疑问。增加的防御性空指针检查符合最佳实践，代码意图清晰，可读性强。
建议：保持现有代码风格。

• 3.代码性能（高效）✓

Qt.callLater 仅将回调函数压入当前事件循环的末尾延迟执行，没有引入任何轮询、额外系统调用或复杂计算，性能开销几乎为零。
建议：保持现有实现。

• 4.代码安全（存在0个安全漏洞）✓

漏洞对比统计：新增漏洞 0 个，减少漏洞 0 个，持平 0 个
代码未引入任何命令注入、越权或信息泄露等安全风险，且通过增加空指针校验有效防止了因内存非法访问导致的拒绝服务崩溃，提升了整体安全性。
建议：无需额外安全加固措施。

■ 【改进建议代码示例】

// 当前修复代码已为最优解，无需进一步修改，此处展示其完整上下文结构以供参考
Item {
    // ... 其他属性绑定 ...
    
    onActiveChanged: {
        if (control.grabInactivePending || popupWindow.x11GrabFocusTransition) {
            return
        }
        Qt.callLater(function() {
            if (!popupWindow
                    || popupWindow.active) {
                return
            }
            control.close()
        })
    }

    function onUpdateGeometryFinished() {
        // ...
    }
}