bool MInverseMouseArea::eventFilter(QObject *obj, QEvent *ev)
{
Q_UNUSED(obj);
if (!m_enabled || !isVisible())
return false;
switch (ev->type()) {
case QEvent::MouseButtonPress: {
QMouseEvent *me = static_cast<QMouseEvent *>(ev);
QPointF mappedPos = me->windowPos();//??is mapping to root item needed still
m_pressed = !isUnderMouse() && !isClickedOnSoftwareInputPanel();
if (m_pressed) {
m_lastsceenPos = me->screenPos();
emit pressedOutside(mappedPos.x(), mappedPos.y());
}
break;
}
case QEvent::MouseMove: {
if (m_pressed) {
QMouseEvent *me = static_cast<QMouseEvent *>(ev);
const QPointF &dist = me->screenPos() - m_lastsceenPos;
if (dist.x() * dist.x() + dist.y() * dist.y() > FlickThresholdSquare)
m_pressed = false;
}
break;
}
case QEvent::MouseButtonRelease: {
QMouseEvent *me = static_cast<QMouseEvent *>(ev);
QPointF mappedPos = mapToRootItem(me->windowPos());
if (m_pressed) {
m_pressed = false;
emit clickedOutside(mappedPos.x(), mappedPos.y());
}
break;
}
default:
break;
}
return false;
}
bool QQuickMultiPointTouchArea::shouldFilter(QEvent *event)
{
QQuickWindow *c = window();
QQuickItem *grabber = c ? c->mouseGrabberItem() : 0;
bool disabledItem = grabber && !grabber->isEnabled();
bool stealThisEvent = _stealMouse;
bool containsPoint = false;
if (!stealThisEvent) {
switch (event->type()) {
case QEvent::MouseButtonPress:
case QEvent::MouseMove:
case QEvent::MouseButtonRelease: {
QMouseEvent *me = static_cast<QMouseEvent*>(event);
containsPoint = contains(mapFromScene(me->windowPos()));
}
break;
case QEvent::TouchBegin:
case QEvent::TouchUpdate:
case QEvent::TouchEnd: {
QTouchEvent *te = static_cast<QTouchEvent*>(event);
for (const QTouchEvent::TouchPoint &point : te->touchPoints()) {
if (contains(mapFromScene(point.scenePos()))) {
containsPoint = true;
break;
}
}
}
break;
default:
break;
}
}
if ((stealThisEvent || containsPoint) && (!grabber || !grabber->keepMouseGrab() || disabledItem)) {
return true;
}
ungrab();
return false;
}
bool KisInputManager::Private::EventEater::eventFilter(QObject* target, QEvent* event )
{
if ((hungry && (event->type() == QEvent::MouseMove ||
event->type() == QEvent::MouseButtonPress ||
event->type() == QEvent::MouseButtonRelease))
// || (peckish && (event->type() == QEvent::MouseButtonPress))
)
{
// Chow down
if (KisTabletDebugger::instance()->debugEnabled()) {
QString pre = QString("[BLOCKED]");
QMouseEvent *ev = static_cast<QMouseEvent*>(event);
dbgTablet << KisTabletDebugger::instance()->eventToString(*ev,pre);
}
peckish = false;
return true;
}
else if ((event->type() == QEvent::MouseButtonPress) /* Need to scrutinize */ &&
(!savedEvent)) /* Otherwise we enter a loop repeatedly storing the same event */
{
QMouseEvent *mouseEvent = static_cast<QMouseEvent*>(event);
// Pocket the event and decide what to do with it later
// savedEvent = *(static_cast<QMouseEvent*>(event));
savedEvent = new QMouseEvent(QEvent::MouseButtonPress,
mouseEvent->pos(),
mouseEvent->windowPos(),
mouseEvent->screenPos(),
mouseEvent->button(),
mouseEvent->buttons(),
mouseEvent->modifiers());
savedTarget = target;
mouseEvent->accept();
return true;
}
return false; // All clear - let this one through!
}
bool MInverseMouseArea::eventFilter(QObject *obj, QEvent *ev)
{
Q_UNUSED(obj);
if (!m_enabled || !isVisible())
return false;
switch (ev->type()) {
case QEvent::MouseButtonPress: {
QMouseEvent *m = static_cast<QMouseEvent *>(ev);
QPointF pos = mapFromScene(m->windowPos());
bool pressed = !contains(pos);
if (pressed)
emit pressedOutside(pos.x(), pos.y());
break;
}
default:
break;
}
return false;
}
void QQuickMultiPointTouchArea::updateTouchData(QEvent *event)
{
bool ended = false;
bool moved = false;
bool started = false;
bool isMouseEvent = false;
clearTouchLists();
QList<QTouchEvent::TouchPoint> touchPoints;
switch (event->type()) {
case QEvent::TouchBegin:
case QEvent::TouchUpdate:
case QEvent::TouchEnd:
touchPoints = static_cast<QTouchEvent*>(event)->touchPoints();
break;
case QEvent::MouseButtonPress:
case QEvent::MouseMove:
case QEvent::MouseButtonRelease: {
QMouseEvent *me = static_cast<QMouseEvent*>(event);
_mouseQpaTouchPoint.setPos(me->localPos());
_mouseQpaTouchPoint.setScenePos(me->windowPos());
_mouseQpaTouchPoint.setScreenPos(me->screenPos());
if (event->type() == QEvent::MouseMove)
_mouseQpaTouchPoint.setState(Qt::TouchPointMoved);
else if (event->type() == QEvent::MouseButtonRelease)
_mouseQpaTouchPoint.setState(Qt::TouchPointReleased);
else { // QEvent::MouseButtonPress
addTouchPoint(me);
started = true;
_mouseQpaTouchPoint.setState(Qt::TouchPointPressed);
}
touchPoints << _mouseQpaTouchPoint;
isMouseEvent = true;
break;
}
default:
qWarning("updateTouchData: unhandled event type %d", event->type());
break;
}
if (!isMouseEvent && _mouseTouchPoint) {
QQuickWindow *c = window();
if (c && c->mouseGrabberItem() == this)
touchPoints << _mouseQpaTouchPoint;
}
int numTouchPoints = touchPoints.count();
//always remove released touches, and make sure we handle all releases before adds.
for (const QTouchEvent::TouchPoint &p : qAsConst(touchPoints)) {
Qt::TouchPointState touchPointState = p.state();
int id = p.id();
if (touchPointState & Qt::TouchPointReleased) {
QQuickTouchPoint* dtp = static_cast<QQuickTouchPoint*>(_touchPoints.value(id));
if (!dtp)
continue;
updateTouchPoint(dtp, &p);
dtp->setPressed(false);
_releasedTouchPoints.append(dtp);
_touchPoints.remove(id);
ended = true;
}
}
if (numTouchPoints >= _minimumTouchPoints && numTouchPoints <= _maximumTouchPoints) {
for (const QTouchEvent::TouchPoint &p : qAsConst(touchPoints)) {
Qt::TouchPointState touchPointState = p.state();
int id = p.id();
if (touchPointState & Qt::TouchPointReleased) {
//handled above
} else if (!_touchPoints.contains(id)) { //could be pressed, moved, or stationary
// (we may have just obtained enough points to start tracking them -- in that case moved or stationary count as newly pressed)
addTouchPoint(&p);
started = true;
} else if (touchPointState & Qt::TouchPointMoved) {
QQuickTouchPoint* dtp = static_cast<QQuickTouchPoint*>(_touchPoints.value(id));
Q_ASSERT(dtp);
_movedTouchPoints.append(dtp);
updateTouchPoint(dtp,&p);
moved = true;
} else {
QQuickTouchPoint* dtp = static_cast<QQuickTouchPoint*>(_touchPoints.value(id));
Q_ASSERT(dtp);
updateTouchPoint(dtp,&p);
}
}
//see if we should be grabbing the gesture
if (!_stealMouse /* !ignoring gesture*/) {
bool offerGrab = false;
const int dragThreshold = QGuiApplication::styleHints()->startDragDistance();
for (const QTouchEvent::TouchPoint &p : qAsConst(touchPoints)) {
if (p.state() == Qt::TouchPointReleased)
continue;
const QPointF ¤tPos = p.scenePos();
const QPointF &startPos = p.startScenePos();
if (qAbs(currentPos.x() - startPos.x()) > dragThreshold)
offerGrab = true;
else if (qAbs(currentPos.y() - startPos.y()) > dragThreshold)
offerGrab = true;
if (offerGrab)
break;
}
if (offerGrab) {
QQuickGrabGestureEvent event;
event._touchPoints = _touchPoints.values();
emit gestureStarted(&event);
if (event.wantsGrab())
grabGesture();
}
}
if (ended)
emit released(_releasedTouchPoints);
if (moved)
emit updated(_movedTouchPoints);
if (started)
emit pressed(_pressedTouchPoints);
if (ended || moved || started) emit touchUpdated(_touchPoints.values());
}
}
