diff options
Diffstat (limited to 'src/plugins/platforms/windows/qwindowswindow.cpp')
-rw-r--r-- | src/plugins/platforms/windows/qwindowswindow.cpp | 38 |
1 files changed, 26 insertions, 12 deletions
diff --git a/src/plugins/platforms/windows/qwindowswindow.cpp b/src/plugins/platforms/windows/qwindowswindow.cpp index f68327f62d..16df5974ad 100644 --- a/src/plugins/platforms/windows/qwindowswindow.cpp +++ b/src/plugins/platforms/windows/qwindowswindow.cpp @@ -903,7 +903,9 @@ void QWindowsBaseWindow::hide_sys() // Normal hide, do not activate other window void QWindowsBaseWindow::raise_sys() { qCDebug(lcQpaWindows) << __FUNCTION__ << this << window(); - if (window()->type() == Qt::Popup + const Qt::WindowType type = window()->type(); + if (type == Qt::Popup + || type == Qt::SubWindow // Special case for QTBUG-63121: MDI subwindows with WindowStaysOnTopHint || (window()->flags() & (Qt::WindowStaysOnTopHint | Qt::WindowStaysOnBottomHint)) == 0) { SetWindowPos(handle(), HWND_TOP, 0, 0, 0, 0, SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE); } @@ -1636,6 +1638,26 @@ void QWindowsWindow::handleResized(int wParam) } } +void QWindowsWindow::checkForScreenChanged() +{ + if (parent()) + return; + + QPlatformScreen *currentScreen = screen(); + const auto &screenManager = QWindowsContext::instance()->screenManager(); + // QTBUG-62971: When dragging a window by its border, detect by mouse position + // to prevent it from oscillating between screens when it resizes + const QWindowsScreen *newScreen = testFlag(ResizeMoveActive) + ? screenManager.screenAtDp(QWindowsCursor::mousePosition()) + : screenManager.screenForHwnd(m_data.hwnd); + if (newScreen != nullptr && newScreen != currentScreen) { + qCDebug(lcQpaWindows).noquote().nospace() << __FUNCTION__ + << ' ' << window() << " \"" << currentScreen->name() + << "\"->\"" << newScreen->name() << '"'; + QWindowSystemInterface::handleWindowScreenChanged(window(), newScreen->screen()); + } +} + void QWindowsWindow::handleGeometryChange() { const QRect previousGeometry = m_data.geometry; @@ -1649,17 +1671,9 @@ void QWindowsWindow::handleGeometryChange() && !(m_data.geometry.width() > previousGeometry.width() || m_data.geometry.height() > previousGeometry.height())) { fireExpose(QRect(QPoint(0, 0), m_data.geometry.size()), true); } - if (!parent() && previousGeometry.topLeft() != m_data.geometry.topLeft()) { - HMONITOR hMonitor = MonitorFromWindow(m_data.hwnd, MONITOR_DEFAULTTONULL); - QPlatformScreen *currentScreen = screen(); - const auto screens = QWindowsContext::instance()->screenManager().screens(); - auto newScreenIt = std::find_if(screens.begin(), screens.end(), [&](QWindowsScreen *s) { - return s->data().hMonitor == hMonitor - && s->data().flags & QWindowsScreenData::VirtualDesktop; - }); - if (newScreenIt != screens.end() && *newScreenIt != currentScreen) - QWindowSystemInterface::handleWindowScreenChanged(window(), (*newScreenIt)->screen()); - } + + checkForScreenChanged(); + if (testFlag(SynchronousGeometryChangeEvent)) QWindowSystemInterface::flushWindowSystemEvents(QEventLoop::ExcludeUserInputEvents); |