fix: cannot build on Archlinux

[justforlxz]

dock use some only deepin of qt api.

Log:

Summary by Sourcery

Detect and conditionally enable Deepin Qt WaylandCompositor extensions at build time to restore compatibility on Arch Linux distributions without Deepin Qt.

Bug Fixes:

• Fix build failures on Arch Linux by guarding Deepin Qt–specific Wayland extensions behind a detection macro.

Enhancements:

• Introduce a CMake try_compile check for Deepin Qt’s WaylandCompositor private API and define USE_DEEPIN_QT when present.
• Conditionally include and initialize private QtWayland extension headers in the dock plugin only when Deepin Qt is detected.

Build:

• Extend Qt component requirements to include WaylandCompositor modules.
• Configure CMake to detect and flag Deepin Qt availability via a test source file.

Tests:

• Add a compile‐only test in tests/check to validate Deepin Qt WaylandCompositor support.

[sourcery-ai]

Reviewer's Guide

This PR implements build-time detection of Deepin Qt’s Wayland API on Archlinux by integrating a try_compile check, adds required Qt Wayland components, and wraps Deepin-specific QtWayland extensions in conditional compilation.

Entity relationship diagram for added Qt Wayland components

erDiagram
    QT_CORE ||--o{ QT_GUI : uses
    QT_GUI ||--o{ QT_CONCURRENT : uses
    QT_GUI ||--o{ QT_QUICK : uses
    QT_GUI ||--o{ QT_WAYLANDCLIENT : uses
    QT_GUI ||--o{ QT_WAYLANDCOMPOSITOR : uses
    QT_WAYLANDCOMPOSITOR ||--o{ QT_WAYLANDCOMPOSITORPRIVATE : uses

Loading

File-Level Changes

Change	Details	Files
Detect Deepin Qt at build time via CMake.	Configure a test source file via configure_file Invoke try_compile against QtWaylandCompositorPrivate and QtWaylandCompositor Define USE_DEEPIN_QT on successful compile and emit status messages	CMakeLists.txt
Include WaylandCompositor in Qt package requirements.	Add WaylandCompositor to Qt${QT_VERSION_MAJOR} find_package components	CMakeLists.txt
Conditionally include and instantiate private QtWayland extensions.	Wrap qwlqtkey and qwlqttouch header includes in #ifdef USE_DEEPIN_QT Guard creation of QtKeyExtensionGlobal and TouchExtensionGlobal with USE_DEEPIN_QT	panels/dock/pluginmanagerextension.cpp
Add Deepin Qt detection test source.	Introduce tests/check/main.cpp that instantiates QtWayland key extension to validate API availability	tests/check/main.cpp

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[sourcery-ai]

Hey @justforlxz - I've reviewed your changes and they look great!

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[deepin-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: justforlxz

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
Approvers can cancel approval by writing /approve cancel in a comment

[deepin-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: justforlxz

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
Approvers can cancel approval by writing /approve cancel in a comment

[deepin-ci-robot]

deepin pr auto review

代码审查意见：

CMakeLists.txt 文件修改：

• 在 find_package 中添加了 WaylandCompositor 组件，这是一个好的做法，可以确保项目能够找到所需的库。
• 新增的 try_compile 命令用于检测是否支持 Deepin Qt，这是一个合理的做法，但需要确保 compile_output 的输出被正确处理，以便在编译失败时提供有用的信息。

pluginmanagerextension.cpp 文件修改：

• 在 initialize 函数中添加了 #ifdef USE_DEEPIN_QT 宏保护，这是一个好的做法，可以避免在不支持 Deepin Qt 的环境中编译错误。
• 添加了 // TODO: Use built-in protocol instead of qt 注释，这是一个好的实践，提醒将来需要替换为内置协议。

qt_wayland_keyextension.cpp 文件修改：

• 新增了一个测试文件，用于检测 QtWayland 的 QtKeyExtensionGlobal 类是否可以正常编译。这是一个好的做法，可以确保相关代码的兼容性。

总体来说，代码修改是合理的，但需要注意以下几点：

• 确保新增的 try_compile 命令的输出被正确处理，以便在编译失败时提供有用的信息。
• 在 pluginmanagerextension.cpp 文件中，如果 USE_DEEPIN_QT 未定义，则 QtWayland::QtKeyExtensionGlobal 和 QtWayland::TouchExtensionGlobal 的实例化代码将不会执行，这可能会导致功能缺失。建议添加相应的错误处理或日志记录。
• 在 qt_wayland_keyextension.cpp 文件中，new QtWayland::QtKeyExtensionGlobal(nullptr); 这行代码没有实际意义，因为它没有将实例存储在变量中，也没有调用任何方法。建议移除这行代码或添加有意义的使用场景。