QTouchEvent::TouchPoint makeTouchPointFromMouseEvent(QMouseEvent *event, Qt::TouchPointState state)
{
QTouchEvent::TouchPoint newPoint;
#if defined ( QT_4 )
newPoint.setPos(event->posF());
newPoint.setScenePos(event->globalPos());
newPoint.setScreenPos(event->globalPos());
#elif defined ( QT_5 )
newPoint.setPos(event->localPos());
newPoint.setScenePos(event->windowPos());
newPoint.setScreenPos(event->screenPos());
#endif
newPoint.setState(state);
newPoint.setId(0);
return newPoint;
}
void QtWebPageEventHandler::handleInputEvent(const QInputEvent* event)
{
if (m_viewportController) {
switch (event->type()) {
case QEvent::MouseButtonPress:
case QEvent::TouchBegin:
m_viewportController->touchBegin();
// The page viewport controller might still be animating kinetic scrolling or a scale animation
// such as double-tap to zoom or the bounce back effect. A touch stops the kinetic scrolling
// where as it does not stop the scale animation.
// The gesture recognizer stops the kinetic scrolling animation if needed.
break;
case QEvent::MouseMove:
case QEvent::TouchUpdate:
// The scale animation can only be interrupted by a pinch gesture, which will then take over.
if (m_viewportController->scaleAnimationActive() && m_pinchGestureRecognizer.isRecognized())
m_viewportController->interruptScaleAnimation();
break;
case QEvent::MouseButtonRelease:
case QEvent::TouchEnd:
m_viewportController->touchEnd();
break;
default:
break;
}
// If the scale animation is active we don't pass the event to the recognizers. In the future
// we would want to queue the event here and repost then when the animation ends.
if (m_viewportController->scaleAnimationActive())
return;
}
bool isMouseEvent = false;
switch (event->type()) {
case QEvent::MouseButtonPress:
isMouseEvent = true;
m_isMouseButtonPressed = true;
break;
case QEvent::MouseMove:
if (!m_isMouseButtonPressed)
return;
isMouseEvent = true;
break;
case QEvent::MouseButtonRelease:
isMouseEvent = true;
m_isMouseButtonPressed = false;
break;
case QEvent::MouseButtonDblClick:
return;
default:
break;
}
QList<QTouchEvent::TouchPoint> activeTouchPoints;
QTouchEvent::TouchPoint currentTouchPoint;
qint64 eventTimestampMillis = event->timestamp();
int touchPointCount = 0;
if (!isMouseEvent) {
const QTouchEvent* touchEvent = static_cast<const QTouchEvent*>(event);
const QList<QTouchEvent::TouchPoint>& touchPoints = touchEvent->touchPoints();
currentTouchPoint = touchPoints.first();
touchPointCount = touchPoints.size();
activeTouchPoints.reserve(touchPointCount);
for (int i = 0; i < touchPointCount; ++i) {
if (touchPoints[i].state() != Qt::TouchPointReleased)
activeTouchPoints << touchPoints[i];
}
} else {
const QMouseEvent* mouseEvent = static_cast<const QMouseEvent*>(event);
touchPointCount = 1;
// Make a distinction between mouse events on the basis of pressed buttons.
currentTouchPoint.setId(mouseEvent->buttons());
currentTouchPoint.setScreenPos(mouseEvent->screenPos());
// For tap gesture hit testing the float touch rect is translated to
// an int rect representing the radius of the touch point (size/2),
// thus the touch rect has to have a size of at least 2.
currentTouchPoint.setRect(QRectF(mouseEvent->localPos(), QSizeF(2, 2)));
if (m_isMouseButtonPressed)
activeTouchPoints << currentTouchPoint;
}
const int activeTouchPointCount = activeTouchPoints.size();
if (!activeTouchPointCount) {
if (touchPointCount == 1) {
// No active touch points, one finger released.
if (m_panGestureRecognizer.isRecognized())
m_panGestureRecognizer.finish(currentTouchPoint, eventTimestampMillis);
else {
// The events did not result in a pan gesture.
m_panGestureRecognizer.cancel();
m_tapGestureRecognizer.finish(currentTouchPoint);
}
} else
m_pinchGestureRecognizer.finish();
// Early return since this was a touch-end event.
return;
} else if (activeTouchPointCount == 1) {
// If the pinch gesture recognizer was previously in active state the content might
// be out of valid zoom boundaries, thus we need to finish the pinch gesture here.
// This will resume the content to valid zoom levels before the pan gesture is started.
m_pinchGestureRecognizer.finish();
m_panGestureRecognizer.update(activeTouchPoints.first(), eventTimestampMillis);
} else if (activeTouchPointCount == 2) {
m_panGestureRecognizer.cancel();
m_pinchGestureRecognizer.update(activeTouchPoints.first(), activeTouchPoints.last());
}
if (m_panGestureRecognizer.isRecognized() || m_pinchGestureRecognizer.isRecognized() || m_webView->isMoving())
m_tapGestureRecognizer.cancel();
else if (touchPointCount == 1)
m_tapGestureRecognizer.update(currentTouchPoint);
}
// generateTouchEvent - iterates through existing touches and creates a QTouchEvent.
// For the primary finger, it also creates a mouse event if the location has move
void QPAHiddTpHandler::generateTouchEvent()
{
if (m_touches.empty())
return;
QList<QTouchEvent::TouchPoint> touchPoints;
QList<HiddTouch>::const_iterator it;
QWidget* widget = QWidget::mouseGrabber();
if (!widget) {
QWidget* window = QApplication::topLevelAt(m_lastTouchDown);
if (window)
widget = window->childAt(window->mapFromGlobal(m_lastTouchDown));
}
if (!widget) {
QPoint dummyPt(10, 10);
QWidget* window = QApplication::topLevelAt(dummyPt);
if (window)
widget = window->childAt(window->mapFromGlobal(dummyPt));
}
if(!widget) {
widget = QApplication::activeWindow();
if(QApplication::focusWidget())
{
widget = QApplication::focusWidget();
}
}
Qt::KeyboardModifiers keyboardModifiers = QApplication::keyboardModifiers();
if (widget && m_sendPenCancel) {
//printf("Mouse Up for Pen Cancel: %d, %d\n", m_penCancelPoint.x(), m_penCancelPoint.y());
QMouseEvent ev(QEvent::MouseButtonRelease, m_penCancelPoint, m_penCancelPoint, true,
Qt::LeftButton, Qt::NoButton, keyboardModifiers);
qt_sendSpontaneousEvent((QObject*) widget, &ev);
m_sendPenCancel = false;
m_penCancelPoint = QPoint (0,0);
}
for (it = m_touches.begin(); it != m_touches.end(); ++it) {
QTouchEvent::TouchPoint touchPoint;
touchPoint.setId(it->id);
touchPoint.setPos(QPoint(it->x, it->y));
touchPoint.setScreenPos(touchPoint.pos());
switch (it->state) {
case QPAHiddTpHandler::FingerDown:
touchPoint.setState(Qt::TouchPointPressed);
break;
case QPAHiddTpHandler::FingerUp:
touchPoint.setState(Qt::TouchPointReleased);
break;
case QPAHiddTpHandler::FingerMove:
touchPoint.setState(Qt::TouchPointMoved);
break;
default:
touchPoint.setState(Qt::TouchPointStationary);
break;
}
if (it->isPrimary) {
touchPoint.setState(touchPoint.state() | Qt::TouchPointPrimary);
}
touchPoints.append(touchPoint);
// printf ("%s: adding touch point id %d (hiddId %llu) for pos (%d, %d) primary %d\n",
// __func__, it->id, it->hiddId, it->x, it->y, it->isPrimary);
if (it->isPrimary) {
QPoint mousePos = QPoint(it->x, it->y);
if (widget) {
if (it->state == QPAHiddTpHandler::FingerDown) {
uint32_t currTime = m_touchTimer.elapsed();
int dx = mousePos.x() - m_mousePress.x();
int dy = mousePos.y() - m_mousePress.y();
if (((currTime - m_mousePressTime) < (uint32_t) QApplication::doubleClickInterval()) &&
((dx * dx + dy * dy) <= 144)) {
//printf("Mouse Double Click: %d, %d\n", mousePos.x(), mousePos.y());
QMouseEvent ev(QEvent::MouseButtonDblClick, mousePos, mousePos,
Qt::LeftButton, Qt::LeftButton, keyboardModifiers);
qt_sendSpontaneousEvent((QObject*) widget, &ev);
m_mousePressTime = 0;
}
else {
//printf("Mouse Down: %d, %d\n", mousePos.x(), mousePos.y());
QMouseEvent ev(QEvent::MouseButtonPress, mousePos, mousePos,
Qt::LeftButton, Qt::LeftButton, keyboardModifiers);
qt_sendSpontaneousEvent((QObject*) widget, &ev);
m_mousePress = mousePos;
m_mousePressTime = currTime;
}
} else if (it->state == QPAHiddTpHandler::FingerMove) {
//printf("Mouse Move: %d, %d\n", mousePos.x(), mousePos.y());
QMouseEvent ev(QEvent::MouseMove, mousePos, mousePos,
Qt::LeftButton, Qt::LeftButton, keyboardModifiers);
qt_sendSpontaneousEvent((QObject*) widget, &ev);
}
}
}
}
//printf ("sending touch event\n");
qt_translateRawTouchEvent(QApplication::activeWindow(), QTouchEvent::TouchScreen, touchPoints);
for (it = m_touches.begin(); it != m_touches.end(); ++it) {
if (it->isPrimary) {
QPoint mousePos = QPoint(it->x, it->y);
if (widget) {
if (it->state == QPAHiddTpHandler::FingerUp) {
//printf("Mouse Up: %d, %d\n", mousePos.x(), mousePos.y());
QMouseEvent ev(QEvent::MouseButtonRelease, mousePos, mousePos,
Qt::LeftButton, Qt::NoButton, keyboardModifiers);
qt_sendSpontaneousEvent((QObject*) widget, &ev);
}
}
}
}
}
void Web3DOverlay::handlePointerEventAsTouch(const PointerEvent& event) {
if (!_webSurface) {
return;
}
//do not send secondary button events to tablet
if (event.getButton() == PointerEvent::SecondaryButton ||
//do not block composed events
event.getButtons() == PointerEvent::SecondaryButton) {
return;
}
QPointF windowPoint;
{
glm::vec2 windowPos = event.getPos2D() * (METERS_TO_INCHES * _dpi);
windowPoint = QPointF(windowPos.x, windowPos.y);
}
Qt::TouchPointState state = Qt::TouchPointStationary;
if (event.getType() == PointerEvent::Press && event.getButton() == PointerEvent::PrimaryButton) {
state = Qt::TouchPointPressed;
} else if (event.getType() == PointerEvent::Release) {
state = Qt::TouchPointReleased;
} else if (_activeTouchPoints.count(event.getID()) && windowPoint != _activeTouchPoints[event.getID()].pos()) {
state = Qt::TouchPointMoved;
}
QEvent::Type touchType = QEvent::TouchUpdate;
if (_activeTouchPoints.empty()) {
// If the first active touch point is being created, send a begin
touchType = QEvent::TouchBegin;
} if (state == Qt::TouchPointReleased && _activeTouchPoints.size() == 1 && _activeTouchPoints.count(event.getID())) {
// If the last active touch point is being released, send an end
touchType = QEvent::TouchEnd;
}
{
QTouchEvent::TouchPoint point;
point.setId(event.getID());
point.setState(state);
point.setPos(windowPoint);
point.setScreenPos(windowPoint);
_activeTouchPoints[event.getID()] = point;
}
QTouchEvent touchEvent(touchType, &_touchDevice, event.getKeyboardModifiers());
{
QList<QTouchEvent::TouchPoint> touchPoints;
Qt::TouchPointStates touchPointStates;
for (const auto& entry : _activeTouchPoints) {
touchPointStates |= entry.second.state();
touchPoints.push_back(entry.second);
}
touchEvent.setWindow(_webSurface->getWindow());
touchEvent.setTarget(_webSurface->getRootItem());
touchEvent.setTouchPoints(touchPoints);
touchEvent.setTouchPointStates(touchPointStates);
}
// Send mouse events to the Web surface so that HTML dialog elements work with mouse press and hover.
// FIXME: Scroll bar dragging is a bit unstable in the tablet (content can jump up and down at times).
// This may be improved in Qt 5.8. Release notes: "Cleaned up touch and mouse event delivery".
//
// In Qt 5.9 mouse events must be sent before touch events to make sure some QtQuick components will
// receive mouse events
Qt::MouseButton button = Qt::NoButton;
Qt::MouseButtons buttons = Qt::NoButton;
if (event.getButton() == PointerEvent::PrimaryButton) {
button = Qt::LeftButton;
}
if (event.getButtons() & PointerEvent::PrimaryButton) {
buttons |= Qt::LeftButton;
}
#if QT_VERSION >= QT_VERSION_CHECK(5, 9, 0)
if (event.getType() == PointerEvent::Move) {
QMouseEvent mouseEvent(QEvent::MouseMove, windowPoint, windowPoint, windowPoint, button, buttons, Qt::NoModifier);
QCoreApplication::sendEvent(_webSurface->getWindow(), &mouseEvent);
}
#endif
if (touchType == QEvent::TouchBegin) {
_touchBeginAccepted = QCoreApplication::sendEvent(_webSurface->getWindow(), &touchEvent);
} else if (_touchBeginAccepted) {
QCoreApplication::sendEvent(_webSurface->getWindow(), &touchEvent);
}
// If this was a release event, remove the point from the active touch points
if (state == Qt::TouchPointReleased) {
_activeTouchPoints.erase(event.getID());
}
#if QT_VERSION < QT_VERSION_CHECK(5, 9, 0)
if (event.getType() == PointerEvent::Move) {
QMouseEvent mouseEvent(QEvent::MouseMove, windowPoint, windowPoint, windowPoint, button, buttons, Qt::NoModifier);
QCoreApplication::sendEvent(_webSurface->getWindow(), &mouseEvent);
}
#endif
}
void RenderableWebEntityItem::handlePointerEvent(const PointerEvent& event) {
// Ignore mouse interaction if we're locked
if (getLocked() || !_webSurface) {
return;
}
glm::vec2 windowPos = event.getPos2D() * (METERS_TO_INCHES * _dpi);
QPointF windowPoint(windowPos.x, windowPos.y);
if (event.getType() == PointerEvent::Move) {
// Forward a mouse move event to webSurface
QMouseEvent* mouseEvent = new QMouseEvent(QEvent::MouseMove, windowPoint, windowPoint, windowPoint, Qt::NoButton, Qt::NoButton, Qt::NoModifier);
QCoreApplication::postEvent(_webSurface->getWindow(), mouseEvent);
}
{
// Forward a touch update event to webSurface
if (event.getType() == PointerEvent::Press) {
this->_pressed = true;
} else if (event.getType() == PointerEvent::Release) {
this->_pressed = false;
}
QEvent::Type type;
Qt::TouchPointState touchPointState;
switch (event.getType()) {
case PointerEvent::Press:
type = QEvent::TouchBegin;
touchPointState = Qt::TouchPointPressed;
break;
case PointerEvent::Release:
type = QEvent::TouchEnd;
touchPointState = Qt::TouchPointReleased;
break;
case PointerEvent::Move:
default:
type = QEvent::TouchUpdate;
touchPointState = Qt::TouchPointMoved;
break;
}
QTouchEvent::TouchPoint point;
point.setId(event.getID());
point.setState(touchPointState);
point.setPos(windowPoint);
point.setScreenPos(windowPoint);
QList<QTouchEvent::TouchPoint> touchPoints;
touchPoints.push_back(point);
QTouchEvent* touchEvent = new QTouchEvent(type);
touchEvent->setWindow(nullptr);
touchEvent->setDevice(nullptr);
touchEvent->setTarget(nullptr);
touchEvent->setTouchPoints(touchPoints);
touchEvent->setTouchPointStates(touchPointState);
_lastTouchEvent = *touchEvent;
QCoreApplication::postEvent(_webSurface->getWindow(), touchEvent);
}
}
bool MixxxApplication::notify(QObject* target, QEvent* event) {
switch (event->type()) {
case QEvent::TouchBegin:
case QEvent::TouchUpdate:
case QEvent::TouchEnd:
{
QTouchEvent* touchEvent = static_cast<QTouchEvent*>(event);
QList<QTouchEvent::TouchPoint> touchPoints = touchEvent->touchPoints();
QEvent::Type eventType = QEvent::None;
Qt::MouseButtons buttons = Qt::NoButton;
QWidget* fakeMouseWidget = NULL;
bool baseReturn;
//qDebug() << "&" << touchEvent->type() << target;
if (touchEvent->deviceType() != QTouchEvent::TouchScreen) {
break;
}
switch (event->type()) {
case QEvent::TouchBegin:
// try to deliver as touch event
baseReturn = QApplication::notify(target, event);
if (dynamic_cast<MixxxMainWindow*>(touchEvent->widget())) {
// the touchEvent has fallen trough to the MixxxMainWindow, because there
// was no touch enabled widget found.
// Now we resent this event and all following events for this touch point
// as Mouse events.
eventType = QEvent::MouseButtonPress;
if (touchIsRightButton()) {
// touch is right click
m_activeTouchButton = Qt::RightButton;
buttons = Qt::RightButton;
} else {
m_activeTouchButton = Qt::LeftButton;
buttons = Qt::LeftButton;
}
m_fakeMouseSourcePointId = touchPoints.first().id();
m_fakeMouseWidget = dynamic_cast<QWidget*>(target);
fakeMouseWidget = m_fakeMouseWidget;
break;
}
return baseReturn;
case QEvent::TouchUpdate:
if (m_fakeMouseWidget) {
eventType = QEvent::MouseMove;
buttons = m_activeTouchButton;
fakeMouseWidget = m_fakeMouseWidget;
break;
}
return QApplication::notify(target, event);
case QEvent::TouchEnd:
if (m_fakeMouseWidget) {
eventType = QEvent::MouseButtonRelease;
m_fakeMouseSourcePointId = touchPoints.first().id();
fakeMouseWidget = m_fakeMouseWidget;
m_fakeMouseWidget = NULL;
break;
}
return QApplication::notify(target, event);
default:
return QApplication::notify(target, event);
}
for (int i = 0; i < touchPoints.count(); ++i) {
const QTouchEvent::TouchPoint& touchPoint = touchPoints.at(i);
if (touchPoint.id() == m_fakeMouseSourcePointId) {
QMouseEvent mouseEvent(eventType,
fakeMouseWidget->mapFromGlobal(touchPoint.screenPos().toPoint()),
touchPoint.screenPos().toPoint(),
m_activeTouchButton, // Button that causes the event
buttons,
touchEvent->modifiers());
//qDebug() << "#" << mouseEvent.type() << mouseEvent.button() << mouseEvent.buttons() << mouseEvent.pos() << mouseEvent.globalPos();
//if (m_fakeMouseWidget->focusPolicy() & Qt::ClickFocus) {
// fakeMouseWidget->setFocus();
//}
QApplication::notify(fakeMouseWidget, &mouseEvent);
return true;
}
}
//qDebug() << "return false";
return false;
break;
}
case QEvent::MouseButtonRelease:
{
bool ret = QApplication::notify(target, event);
if (m_fakeMouseWidget) {
// It may happen the faked mouse event was grabbed by a non touch window.
// eg.: if we have started to drag by touch.
// In this case X11 generates a MouseButtonRelease instead of a TouchPointReleased Event.
// QApplication still tracks the Touch point and prevent touch to other widgets
// So we need to fake the Touch release event as well to clean up
// QApplicationPrivate::widgetForTouchPointId and QApplicationPrivate::appCurrentTouchPoints;
m_fakeMouseWidget = NULL; // Disable MouseButtonRelease fake
QList<QTouchEvent::TouchPoint> touchPoints;
QTouchEvent::TouchPoint tp;
tp.setId(m_fakeMouseSourcePointId);
tp.setState(Qt::TouchPointReleased);
touchPoints.append(tp);
qt_translateRawTouchEvent(NULL, QTouchEvent::TouchScreen, touchPoints);
}
return ret;
}
default:
break;
}
// No touch event
bool ret = QApplication::notify(target, event);
return ret;
}
