bool PhotoKitView::viewportEvent(QEvent *event)
{
switch (event->type()) {
case QEvent::TouchBegin:
case QEvent::TouchUpdate:
case QEvent::TouchEnd:
{
//only do these in picture wall mode
QTouchEvent *touchEvent = static_cast<QTouchEvent *>(event);
QList<QTouchEvent::TouchPoint> touchPoints = touchEvent->touchPoints();
if (touchPoints.count() == 2) {//TODO: next/pre in PlayPage
// determine scale factor
const QTouchEvent::TouchPoint &touchPoint0 = touchPoints.first();
const QTouchEvent::TouchPoint &touchPoint1 = touchPoints.last();
qreal currentScaleFactor =
QLineF(touchPoint0.pos(), touchPoint1.pos()).length()
/ QLineF(touchPoint0.startPos(), touchPoint1.startPos()).length();
if (touchEvent->touchPointStates() & Qt::TouchPointMoved
|| touchEvent->touchPointStates() & Qt::TouchPointReleased) {
BaseItem* item = UiManager::instance()->currentPageRootItem();
if (UiManager::page == UiManager::ThumbPage
|| UiManager::page == UiManager::SearchPage) {
qreal scale0 = item->mScale;
if (currentScaleFactor > 1) {
item->mScale += 0.12;
item->mScale = qMin(kScaleMax, item->mScale);
} else {
item->mScale -= 0.12;
item->mScale = qMax(kScaleMin, item->mScale);
}
setAnimationDuration(kAniDuration);
smartTransform(item->mX, item->mY, scale0, item->mScale, 0, 0, 0, 0, 0); //both thumbpage and playpage works
} else if (UiManager::page == UiManager::PlayPage) {
//qreal s0 = item->transform().m11();
qreal s = currentScaleFactor > 1 ? 1.1:0.9; //TODO: smooth and slow
QRectF r = item->boundingRect();
//TODO: why translate?
item->setTransform(QTransform().translate(r.width()/2, r.height()/2)
.scale(s, s).translate(-r.width()/2, -r.height()/2), true);
}
}
}
return true;
}
default:
break;
}
return QGraphicsView::viewportEvent(event);
}
bool GraphicsView::viewportEvent(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();
if (touchPoints.count() == 2) {
// determine scale factor
const QTouchEvent::TouchPoint &touchPoint0 = touchPoints.first();
const QTouchEvent::TouchPoint &touchPoint1 = touchPoints.last();
qreal currentScaleFactor =
QLineF(touchPoint0.pos(), touchPoint1.pos()).length()
/ QLineF(touchPoint0.startPos(), touchPoint1.startPos()).length();
if (touchEvent->touchPointStates() & Qt::TouchPointReleased) {
// if one of the fingers is released, remember the current scale
// factor so that adding another finger later will continue zooming
// by adding new scale factor to the existing remembered value.
totalScaleFactor *= currentScaleFactor;
currentScaleFactor = 1;
}
setTransform(QTransform().scale(totalScaleFactor * currentScaleFactor,
totalScaleFactor * currentScaleFactor));
}
return true;
}
default:
break;
}
return QGraphicsView::viewportEvent(event);
}
bool LipstickCompositorWindow::eventFilter(QObject *obj, QEvent *event)
{
#if QT_VERSION >= 0x050202
if (obj == window() && m_interceptingTouch) {
switch (event->type()) {
case QEvent::TouchUpdate: {
QTouchEvent *te = static_cast<QTouchEvent *>(event);
// If we get press/release, don't intercept the event, but send it through QQuickWindow.
// These are sent through to QQuickWindow so that the integrity of the touch
// handling is maintained.
if (te->touchPointStates() & (Qt::TouchPointPressed | Qt::TouchPointReleased))
return false;
handleTouchEvent(static_cast<QTouchEvent *>(event));
return true;
}
case QEvent::TouchEnd: // Intentional fall through...
case QEvent::TouchCancel:
obj->removeEventFilter(this);
m_interceptingTouch = false;
default:
break;
}
return false;
}
#else
Q_UNUSED(obj);
#endif
if (event->type() == QEvent::KeyPress || event->type() == QEvent::KeyRelease) {
QKeyEvent *ke = static_cast<QKeyEvent *>(event);
QWaylandSurface *m_surface = surface();
if (m_surface && (m_grabbedKeys.contains(ke->key()) || m_pressedGrabbedKeys.keys.contains(ke->key())) && !ke->isAutoRepeat()) {
QWaylandInputDevice *inputDevice = m_surface->compositor()->defaultInputDevice();
if (event->type() == QEvent::KeyPress) {
if (m_pressedGrabbedKeys.keys.isEmpty()) {
QWaylandSurface *old = inputDevice->keyboardFocus();
m_pressedGrabbedKeys.oldFocus = old;
inputDevice->setKeyboardFocus(m_surface);
}
m_pressedGrabbedKeys.keys << ke->key();
}
inputDevice->sendFullKeyEvent(ke);
if (event->type() == QEvent::KeyRelease) {
m_pressedGrabbedKeys.keys.removeOne(ke->key());
if (m_pressedGrabbedKeys.keys.isEmpty()) {
inputDevice->setKeyboardFocus(m_pressedGrabbedKeys.oldFocus);
if (m_grabbedKeys.isEmpty())
qApp->removeEventFilter(this);
}
}
return true;
}
}
return false;
}
bool KisToolProxy::forwardEvent(ActionState state, KisTool::ToolAction action, QEvent *event, QEvent *originalEvent)
{
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 = widgetToDocument(tabletEvent->posF());
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->device(),
touchEvent->modifiers(), touchEvent->touchPointStates(),
touchEvent->touchPoints());
this->touchEvent(&fakeEvent);
} else {
this->touchEvent(touchEvent);
}
} else if (mouseEvent) {
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;
}