bool WWidget::event(QEvent* e) {
if (e->type() == QEvent::ToolTip) {
updateTooltip();
} else if (isEnabled()) {
switch(e->type()) {
case QEvent::TouchBegin:
case QEvent::TouchUpdate:
case QEvent::TouchEnd:
{
QTouchEvent* touchEvent = dynamic_cast<QTouchEvent*>(e);
if (touchEvent->deviceType() != QTouchEvent::TouchScreen) {
break;
}
// fake a mouse event!
QEvent::Type eventType = QEvent::None;
switch (touchEvent->type()) {
case QEvent::TouchBegin:
eventType = QEvent::MouseButtonPress;
if (touchIsRightButton()) {
// touch is right click
m_activeTouchButton = Qt::RightButton;
} else {
m_activeTouchButton = Qt::LeftButton;
}
break;
case QEvent::TouchUpdate:
eventType = QEvent::MouseMove;
break;
case QEvent::TouchEnd:
eventType = QEvent::MouseButtonRelease;
break;
default:
DEBUG_ASSERT(false);
break;
}
const QTouchEvent::TouchPoint &touchPoint =
touchEvent->touchPoints().first();
QMouseEvent mouseEvent(eventType,
touchPoint.pos().toPoint(),
touchPoint.screenPos().toPoint(),
m_activeTouchButton, // Button that causes the event
Qt::NoButton, // Not used, so no need to fake a proper value.
touchEvent->modifiers());
return QWidget::event(&mouseEvent);
}
default:
break;
}
}
return QWidget::event(e);
}
bool KisToolProxy::forwardEvent(ActionState state, KisTool::ToolAction action, QEvent *event, QEvent *originalEvent, QTabletEvent *lastTabletEvent, const QPoint &canvasOriginWorkaround)
{
bool retval = true;
QTabletEvent *tabletEvent = dynamic_cast<QTabletEvent*>(event);
QTouchEvent *touchEvent = dynamic_cast<QTouchEvent*>(event);
QMouseEvent *mouseEvent = dynamic_cast<QMouseEvent*>(event);
if (tabletEvent) {
QPointF docPoint = tabletToDocument(tabletEvent->hiResGlobalPos(), canvasOriginWorkaround);
tabletEvent->accept();
this->tabletEvent(tabletEvent, docPoint);
forwardToTool(state, action, tabletEvent, docPoint);
retval = tabletEvent->isAccepted();
} else if (touchEvent) {
if (state == END && touchEvent->type() != QEvent::TouchEnd) {
//Fake a touch end if we are "upgrading" a single-touch gesture to a multi-touch gesture.
QTouchEvent fakeEvent(QEvent::TouchEnd, touchEvent->deviceType(), touchEvent->modifiers(), touchEvent->touchPointStates(), touchEvent->touchPoints());
this->touchEvent(&fakeEvent);
} else {
this->touchEvent(touchEvent);
}
} else if (mouseEvent) {
if (lastTabletEvent) {
QPointF docPoint = tabletToDocument(lastTabletEvent->hiResGlobalPos(), canvasOriginWorkaround);
lastTabletEvent->accept();
this->tabletEvent(lastTabletEvent, docPoint);
forwardToTool(state, action, lastTabletEvent, docPoint);
retval = lastTabletEvent->isAccepted();
} else {
QPointF docPoint = widgetToDocument(mouseEvent->posF());
mouseEvent->accept();
if (mouseEvent->type() == QEvent::MouseButtonPress) {
mousePressEvent(mouseEvent, docPoint);
} else if (mouseEvent->type() == QEvent::MouseButtonDblClick) {
mouseDoubleClickEvent(mouseEvent, docPoint);
} else if (mouseEvent->type() == QEvent::MouseButtonRelease) {
mouseReleaseEvent(mouseEvent, docPoint);
} else if (mouseEvent->type() == QEvent::MouseMove) {
mouseMoveEvent(mouseEvent, docPoint);
}
forwardToTool(state, action, originalEvent, docPoint);
retval = mouseEvent->isAccepted();
}
} else if(event->type() == QEvent::KeyPress) {
QKeyEvent* kevent = static_cast<QKeyEvent*>(event);
keyPressEvent(kevent);
} else if(event->type() == QEvent::KeyRelease) {
QKeyEvent* kevent = static_cast<QKeyEvent*>(event);
keyReleaseEvent(kevent);
}
return retval;
}
bool ScrollArea::viewportEvent(QEvent *e) {
if (e->type() == QEvent::TouchBegin || e->type() == QEvent::TouchUpdate || e->type() == QEvent::TouchEnd || e->type() == QEvent::TouchCancel) {
QTouchEvent *ev = static_cast<QTouchEvent*>(e);
if (_touchEnabled && ev->device()->type() == QTouchDevice::TouchScreen) {
if (ev->type() != QEvent::TouchBegin || ev->touchPoints().isEmpty() || !widget() || !widget()->childAt(widget()->mapFromGlobal(ev->touchPoints().cbegin()->screenPos().toPoint()))) {
touchEvent(ev);
return true;
}
}
}
return QScrollArea::viewportEvent(e);
}
