diff options
Diffstat (limited to 'src/plugins/platforms/windows/qwindowsmousehandler.cpp')
| -rw-r--r-- | src/plugins/platforms/windows/qwindowsmousehandler.cpp | 45 |
1 files changed, 37 insertions, 8 deletions
diff --git a/src/plugins/platforms/windows/qwindowsmousehandler.cpp b/src/plugins/platforms/windows/qwindowsmousehandler.cpp index 737fd1d2a9..e33591c33d 100644 --- a/src/plugins/platforms/windows/qwindowsmousehandler.cpp +++ b/src/plugins/platforms/windows/qwindowsmousehandler.cpp @@ -157,6 +157,12 @@ QTouchDevice *QWindowsMouseHandler::ensureTouchDevice() return m_touchDevice; } +void QWindowsMouseHandler::clearEvents() +{ + m_lastEventType = QEvent::None; + m_lastEventButton = Qt::NoButton; +} + Qt::MouseButtons QWindowsMouseHandler::queryMouseButtons() { Qt::MouseButtons result = nullptr; @@ -287,8 +293,6 @@ bool QWindowsMouseHandler::translateMouseEvent(QWindow *window, HWND hwnd, Qt::MouseEventSource source = Qt::MouseEventNotSynthesized; - const MouseEvent mouseEvent = eventFromMsg(msg); - // Check for events synthesized from touch. Lower byte is touch index, 0 means pen. static const bool passSynthesizedMouseEvents = !(QWindowsIntegration::instance()->options() & QWindowsIntegration::DontPassOsMouseEventsSynthesizedFromTouch); @@ -305,13 +309,40 @@ bool QWindowsMouseHandler::translateMouseEvent(QWindow *window, HWND hwnd, } } + const Qt::KeyboardModifiers keyModifiers = QWindowsKeyMapper::queryKeyboardModifiers(); + const MouseEvent mouseEvent = eventFromMsg(msg); + Qt::MouseButtons buttons; + + if (mouseEvent.type >= QEvent::NonClientAreaMouseMove && mouseEvent.type <= QEvent::NonClientAreaMouseButtonDblClick) + buttons = queryMouseButtons(); + else + buttons = keyStateToMouseButtons(msg.wParam); + + // When the left/right mouse buttons are pressed over the window title bar + // WM_NCLBUTTONDOWN/WM_NCRBUTTONDOWN messages are received. But no UP + // messages are received on release, only WM_NCMOUSEMOVE/WM_MOUSEMOVE. + // We detect it and generate the missing release events here. (QTBUG-75678) + // The last event vars are cleared on QWindowsContext::handleExitSizeMove() + // to avoid generating duplicated release events. + if (m_lastEventType == QEvent::NonClientAreaMouseButtonPress + && (mouseEvent.type == QEvent::NonClientAreaMouseMove || mouseEvent.type == QEvent::MouseMove) + && (m_lastEventButton & buttons) == 0) { + if (mouseEvent.type == QEvent::NonClientAreaMouseMove) { + QWindowSystemInterface::handleFrameStrutMouseEvent(window, clientPosition, globalPosition, buttons, m_lastEventButton, + QEvent::NonClientAreaMouseButtonRelease, keyModifiers, source); + } else { + QWindowSystemInterface::handleMouseEvent(window, clientPosition, globalPosition, buttons, m_lastEventButton, + QEvent::MouseButtonRelease, keyModifiers, source); + } + } + m_lastEventType = mouseEvent.type; + m_lastEventButton = mouseEvent.button; + if (mouseEvent.type >= QEvent::NonClientAreaMouseMove && mouseEvent.type <= QEvent::NonClientAreaMouseButtonDblClick) { - const Qt::MouseButtons buttons = QWindowsMouseHandler::queryMouseButtons(); QWindowSystemInterface::handleFrameStrutMouseEvent(window, clientPosition, globalPosition, buttons, mouseEvent.button, mouseEvent.type, - QWindowsKeyMapper::queryKeyboardModifiers(), - source); + keyModifiers, source); return false; // Allow further event processing (dragging of windows). } @@ -334,7 +365,6 @@ bool QWindowsMouseHandler::translateMouseEvent(QWindow *window, HWND hwnd, } QWindowsWindow *platformWindow = static_cast<QWindowsWindow *>(window->handle()); - const Qt::MouseButtons buttons = keyStateToMouseButtons(int(msg.wParam)); // If the window was recently resized via mouse doubleclick on the frame or title bar, // we don't get WM_LBUTTONDOWN or WM_LBUTTONDBLCLK for the second click, @@ -461,8 +491,7 @@ bool QWindowsMouseHandler::translateMouseEvent(QWindow *window, HWND hwnd, if (!discardEvent && mouseEvent.type != QEvent::None) { QWindowSystemInterface::handleMouseEvent(window, winEventPosition, globalPosition, buttons, mouseEvent.button, mouseEvent.type, - QWindowsKeyMapper::queryKeyboardModifiers(), - source); + keyModifiers, source); } m_previousCaptureWindow = hasCapture ? window : nullptr; // QTBUG-48117, force synchronous handling for the extra buttons so that WM_APPCOMMAND |