diff options
author | Andreas Holzammer <andreas.holzammer@kdab.com> | 2015-01-20 13:17:36 +0100 |
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committer | Björn Breitmeyer <bjoern.breitmeyer@kdab.com> | 2015-01-22 12:28:42 +0100 |
commit | 2b5df245d6cdbfb3150ee815debccf655af8f19f (patch) | |
tree | d23a274b7e618b9d21c127334286c3718c155961 /src/plugins/platforms/windows/qwindowsmousehandler.cpp | |
parent | 416c09920544b12e24813e53aa6dbe8ed87e111e (diff) |
Implement Multitouch handling for WinCE
Implemented handling of GID_DirectManipulation for WinCE.
Derive touch information out of gesture event
directmanipulation.
Task-number: QTBUG-31216
Change-Id: I74e90f32d2384fc3550b47af0b72edf0292dea8f
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@theqtcompany.com>
Diffstat (limited to 'src/plugins/platforms/windows/qwindowsmousehandler.cpp')
-rw-r--r-- | src/plugins/platforms/windows/qwindowsmousehandler.cpp | 86 |
1 files changed, 83 insertions, 3 deletions
diff --git a/src/plugins/platforms/windows/qwindowsmousehandler.cpp b/src/plugins/platforms/windows/qwindowsmousehandler.cpp index acb692579b..0fa34041d6 100644 --- a/src/plugins/platforms/windows/qwindowsmousehandler.cpp +++ b/src/plugins/platforms/windows/qwindowsmousehandler.cpp @@ -422,11 +422,12 @@ bool QWindowsMouseHandler::translateMouseWheelEvent(QWindow *window, HWND, } // from bool QApplicationPrivate::translateTouchEvent() -bool QWindowsMouseHandler::translateTouchEvent(QWindow *window, HWND, +bool QWindowsMouseHandler::translateTouchEvent(QWindow *window, HWND hwnd, QtWindows::WindowsEventType, MSG msg, LRESULT *) { #ifndef Q_OS_WINCE + Q_UNUSED(hwnd); typedef QWindowSystemInterface::TouchPoint QTouchPoint; typedef QList<QWindowSystemInterface::TouchPoint> QTouchPointList; @@ -495,8 +496,87 @@ bool QWindowsMouseHandler::translateTouchEvent(QWindow *window, HWND, m_touchDevice, touchPoints); return true; -#else - return false; +#else //Q_OS_WINCE + GESTUREINFO gi; + memset(&gi, 0, sizeof(GESTUREINFO)); + gi.cbSize = sizeof(GESTUREINFO); + + if (!GetGestureInfo((HGESTUREINFO)msg.lParam, &gi)) + return false; + + const QPoint position = QPoint(gi.ptsLocation.x, gi.ptsLocation.y); + + if (gi.dwID != GID_DIRECTMANIPULATION) + return true; + static QPoint lastTouchPos; + const QRect screenGeometry = window->screen()->geometry(); + QWindowSystemInterface::TouchPoint touchPoint; + static QWindowSystemInterface::TouchPoint touchPoint2; + touchPoint.id = 0;//gi.dwInstanceID; + touchPoint.pressure = 1.0; + + if (gi.dwFlags & GF_BEGIN) + touchPoint.state = Qt::TouchPointPressed; + else if (gi.dwFlags & GF_END) + touchPoint.state = Qt::TouchPointReleased; + else if (gi.dwFlags == 0) + touchPoint.state = Qt::TouchPointMoved; + else + return true; + touchPoint2.pressure = 1.0; + touchPoint2.id = 1; + const QPoint winEventPosition = position; + const int deltaX = GID_DIRECTMANIPULATION_DELTA_X(gi.ullArguments); + const int deltaY = GID_DIRECTMANIPULATION_DELTA_Y(gi.ullArguments); + //Touch points are taken from the whole screen so map the position to the screen + const QPoint globalPosition = QWindowsGeometryHint::mapToGlobal(hwnd, winEventPosition); + const QPoint globalPosition2 = QWindowsGeometryHint::mapToGlobal(hwnd, QPoint(position.x() + deltaX, position.y() + deltaY)); + + touchPoint.normalPosition = + QPointF( (qreal)globalPosition.x() / screenGeometry.width(), (qreal)globalPosition.y() / screenGeometry.height() ); + + touchPoint.area.moveCenter(globalPosition); + + QList<QWindowSystemInterface::TouchPoint> pointList; + pointList.append(touchPoint); + if (deltaX != 0 && deltaY != 0) { + touchPoint2.state = m_had2ndTouchPoint ? Qt::TouchPointMoved : Qt::TouchPointPressed; + m_had2ndTouchPoint = true; + touchPoint2.normalPosition = + QPointF( (qreal)globalPosition2.x() / screenGeometry.width(), (qreal)globalPosition2.y() / screenGeometry.height() ); + + touchPoint2.area.moveCenter(globalPosition2); + lastTouchPos = globalPosition2; + pointList.append(touchPoint2); + } else if (m_had2ndTouchPoint) { + touchPoint2.normalPosition = + QPointF( (qreal)lastTouchPos.x() / screenGeometry.width(), (qreal)lastTouchPos.y() / screenGeometry.height() ); + + touchPoint2.area.moveCenter(lastTouchPos); + touchPoint2.state = Qt::TouchPointReleased; + pointList.append(touchPoint2); + m_had2ndTouchPoint = false; + } + + if (!m_touchDevice) { + m_touchDevice = new QTouchDevice; + // TODO: Device used to be hardcoded to screen in previous code. + m_touchDevice->setType(QTouchDevice::TouchScreen); + m_touchDevice->setCapabilities(QTouchDevice::Position | QTouchDevice::Area | QTouchDevice::NormalizedPosition); + QWindowSystemInterface::registerTouchDevice(m_touchDevice); + } + + QWindowSystemInterface::handleTouchEvent(window, m_touchDevice, pointList); + // handle window focusing in/out + if (window != m_windowUnderMouse) { + if (m_windowUnderMouse) + QWindowSystemInterface::handleLeaveEvent(m_windowUnderMouse); + if (window) + QWindowSystemInterface::handleEnterEvent(window); + m_windowUnderMouse = window; + } + + return true; #endif } |