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Windows QPA: don't take dpi rounding policy into account when fullscreen

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With some HighDpiScaleFactorRoundingPolicy, going fullscreen can end up
not filling the whole screen. In this case, ignore the rounding (only for
the window size, not its content).

Fixes: QTBUG-115954
Pick-to: 6.6
Change-Id: Ie87196358ef28dbe2fcbc180b1740ed9f784b4a0
Reviewed-by: Oliver Wolff <oliver.wolff@qt.io>
(cherry picked from commit da473f3a80798d84d0f1bd9175158024a548ec68)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
This commit is contained in:
Timothée Keller 2023-08-14 16:11:35 +02:00 committed by Qt Cherry-pick Bot
parent 2a18c00c2a
commit 073340a6d8
1 changed files with 10 additions and 10 deletions
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20
src/plugins/platforms/windows/qwindowswindow.cpp
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@ -2579,26 +2579,26 @@ void QWindowsWindow::setWindowState_sys(Qt::WindowStates newState)
if (testFlag(HasBorderInFullScreen))
newStyle |= WS_BORDER;
setStyle(newStyle);
// Use geometry of QWindow::screen() within creation or the virtual screen the
// window is in (QTBUG-31166, QTBUG-30724).
const QScreen *screen = window()->screen();
if (!screen)
screen = QGuiApplication::primaryScreen();
const QRect r = screen ? QHighDpi::toNativePixels(screen->geometry(), window()) : m_savedFrameGeometry;
const HMONITOR monitor = MonitorFromWindow(m_data.hwnd, MONITOR_DEFAULTTONEAREST);
MONITORINFO monitorInfo = {};
monitorInfo.cbSize = sizeof(MONITORINFO);
GetMonitorInfoW(monitor, &monitorInfo);
const QRect screenGeometry(monitorInfo.rcMonitor.left, monitorInfo.rcMonitor.top,
monitorInfo.rcMonitor.right - monitorInfo.rcMonitor.left,
monitorInfo.rcMonitor.bottom - monitorInfo.rcMonitor.top);
if (newState & Qt::WindowMinimized) {
setMinimizedGeometry(m_data.hwnd, r);
setMinimizedGeometry(m_data.hwnd, screenGeometry);
if (stateChange & Qt::WindowMaximized)
setRestoreMaximizedFlag(m_data.hwnd, newState & Qt::WindowMaximized);
} else {
const UINT swpf = SWP_FRAMECHANGED | SWP_NOACTIVATE;
const bool wasSync = testFlag(SynchronousGeometryChangeEvent);
setFlag(SynchronousGeometryChangeEvent);
SetWindowPos(m_data.hwnd, HWND_TOP, r.left(), r.top(), r.width(), r.height(), swpf);
SetWindowPos(m_data.hwnd, HWND_TOP, screenGeometry.left(), screenGeometry.top(), screenGeometry.width(), screenGeometry.height(), swpf);
if (!wasSync)
clearFlag(SynchronousGeometryChangeEvent);
clearFlag(MaximizeToFullScreen);
QWindowSystemInterface::handleGeometryChange(window(), r);
QWindowSystemInterface::handleGeometryChange(window(), screenGeometry);
QWindowSystemInterface::flushWindowSystemEvents(QEventLoop::ExcludeUserInputEvents);
}
} else {