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framelesshelper
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Work-around Win7 bug. 

Re-apply it: tested on Windows 7 and 8.1 in my VMs.
The bug is there indeed.

Signed-off-by: Yuhang Zhao <2546789017@qq.com>
This commit is contained in:
Yuhang Zhao 2020-04-04 13:54:37 +08:00
parent 5468ce8411
commit 01bde69ae6
1 changed files with 14 additions and 2 deletions
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16
winnativeeventfilter.cpp
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@ -489,8 +489,20 @@ bool WinNativeEventFilter::nativeEventFilter(const QByteArray &eventType,
const RECT rcWorkArea = monitorInfo.rcWork; const RECT rcWorkArea = monitorInfo.rcWork;
const RECT rcMonitorArea = monitorInfo.rcMonitor; const RECT rcMonitorArea = monitorInfo.rcMonitor;
auto &mmi = *reinterpret_cast<LPMINMAXINFO>(msg->lParam); auto &mmi = *reinterpret_cast<LPMINMAXINFO>(msg->lParam);
mmi.ptMaxPosition.x = qAbs(rcWorkArea.left - rcMonitorArea.left); if (QOperatingSystemVersion::current() <
mmi.ptMaxPosition.y = qAbs(rcWorkArea.top - rcMonitorArea.top); QOperatingSystemVersion::Windows8) {
// Buggy on Windows 7:
// The origin of coordinates is the top left edge of the
// monitor's work area. Why? It should be the top left edge of
// the monitor's area.
mmi.ptMaxPosition.x = rcMonitorArea.left;
mmi.ptMaxPosition.y = rcMonitorArea.top;
} else {
// Works fine on Windows 8/8.1/10
mmi.ptMaxPosition.x =
qAbs(rcWorkArea.left - rcMonitorArea.left);
mmi.ptMaxPosition.y = qAbs(rcWorkArea.top - rcMonitorArea.top);
}
mmi.ptMaxSize.x = qAbs(rcWorkArea.right - rcWorkArea.left); mmi.ptMaxSize.x = qAbs(rcWorkArea.right - rcWorkArea.left);
mmi.ptMaxSize.y = qAbs(rcWorkArea.bottom - rcWorkArea.top); mmi.ptMaxSize.y = qAbs(rcWorkArea.bottom - rcWorkArea.top);
mmi.ptMaxTrackSize.x = mmi.ptMaxSize.x; mmi.ptMaxTrackSize.x = mmi.ptMaxSize.x;