qt5platform-plugins fix

Aug 12 '24 08:08 18202781743

TAG Bot

New tag: 5.6.34 DISTRIBUTION: unstable Suggest: synchronizing this PR through rebase #253

Aug 21 '24 09:08 deepin-bot[bot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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

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Aug 27 '24 06:08 deepin-ci-robot

关键摘要:

在DNoTitlebarWindowHelper::DNoTitlebarWindowHelper构造函数中，g_pressPoint.remove(this);可能会导致未处理的初始化问题，如果this已经在g_pressPoint中存在，则调用remove会失败。
在DNoTitlebarWindowHelper::windowEvent函数中，g_pressPoint[this]的赋值操作应该在if语句块之外，以避免潜在的未初始化问题。
QPointF delta = me->globalPos() - g_pressPoint[this];计算了鼠标移动距离，但没有考虑到鼠标移动的累积效应，可能会导致在较短距离下误判移动事件。
if (delta.manhattanLength() < QGuiApplication::styleHints()->startDragDistance())中的QGuiApplication::styleHints()->startDragDistance()应该使用QApplication::startDragDistance()，因为QGuiApplication在Qt 6中已被移除。
self->isEnableSystemMove(winId)调用了一个未在更改前的代码中定义的函数isEnableSystemMove，需要确认该函数的存在性和作用。

是否建议立即修改: 是

Aug 27 '24 06:08 deepin-ci-robot

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