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); }