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Synchronize source files from linuxdeepin/qt5platform-plugins.

Source-pull-request: linuxdeepin/qt5platform-plugins#307

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/topic dtk-cpv20

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Add topic: dtk-cpv20 successed.

Synchronize source files from linuxdeepin/qt5platform-plugins.

Source-pull-request: linuxdeepin/qt5platform-plugins#307
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deepin pr auto review

我来对这段代码进行审查:

  1. 语法逻辑:
  • 代码语法正确,新增的检查逻辑合理
  • 在使用 atom 之前增加了有效性检查,这是一个好的防御性编程实践
  1. 代码质量:
  • 优点:
    • 增加了对 atom 返回值的检查,提高了代码的健壮性
    • 使用 qWarning() 输出警告信息,便于调试和问题追踪
    • 在发现无效值时及时返回,避免后续操作出错
  1. 代码性能:
  • 增加的检查不会带来明显的性能开销
  • 提前返回避免了后续不必要的操作
  1. 代码安全:
  • 增加了对关键变量 atom 的有效性检查,这是一个很好的安全实践
  • 防止了使用无效 atom 值可能导致的后续问题

改进建议:

  1. 可以考虑将警告信息改为更具体的描述,比如:
qWarning() << "Failed to intern _NET_KDE_COMPOSITE_TOGGLING atom";
  1. 可以考虑增加错误码返回或错误状态处理,让调用者能够知道具体的失败原因:
bool DXcbWMSupport::updateHasComposite()
{
    // ... existing code ...
    if (atom == 0) {
        qWarning() << "Failed to intern _NET_KDE_COMPOSITE_TOGGLING atom";
        return false;
    }
    // ... rest of the code ...
    return true;
}
  1. 考虑将这个检查移到函数开始处,遵循"快速失败"原则。

总的来说,这是一个很好的改进,提高了代码的健壮性和安全性。

@18202781743 18202781743 merged commit a71d259 into master Nov 6, 2025
31 of 33 checks passed
@18202781743 18202781743 deleted the sync-pr-307-nosync branch November 6, 2025 02:28
@github-project-automation github-project-automation bot moved this to Done in dtk-cpv20 Nov 6, 2025
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3 participants