void DeclarativeDragArea::mouseReleaseEvent(QMouseEvent* event)
{
Q_UNUSED(event);
m_draggingJustStarted = false;
setKeepMouseGrab(false);
ungrabMouse();
}
void QQuickPinchArea::clearPinch()
{
Q_D(QQuickPinchArea);
d->touchPoints.clear();
if (d->inPinch) {
d->inPinch = false;
QPointF pinchCenter = mapFromScene(d->sceneLastCenter);
QQuickPinchEvent pe(pinchCenter, d->pinchLastScale, d->pinchLastAngle, d->pinchRotation);
pe.setStartCenter(d->pinchStartCenter);
pe.setPreviousCenter(pinchCenter);
pe.setPreviousAngle(d->pinchLastAngle);
pe.setPreviousScale(d->pinchLastScale);
pe.setStartPoint1(mapFromScene(d->sceneStartPoint1));
pe.setStartPoint2(mapFromScene(d->sceneStartPoint2));
pe.setPoint1(mapFromScene(d->lastPoint1));
pe.setPoint2(mapFromScene(d->lastPoint2));
emit pinchFinished(&pe);
if (d->pinch && d->pinch->target())
d->pinch->setActive(false);
}
d->pinchStartDist = 0;
d->pinchActivated = false;
d->initPinch = false;
d->pinchRejected = false;
d->stealMouse = false;
d->id1 = -1;
QQuickWindow *win = window();
if (win && win->mouseGrabberItem() == this)
ungrabMouse();
setKeepMouseGrab(false);
}
void QQuickMouseArea::mouseReleaseEvent(QMouseEvent *event)
{
Q_D(QQuickMouseArea);
d->stealMouse = false;
if (!d->enabled && !d->pressed) {
QQuickItem::mouseReleaseEvent(event);
} else {
d->saveEvent(event);
setPressed(event->button(), false);
if (!d->pressed) {
// no other buttons are pressed
#ifndef QT_NO_DRAGANDDROP
if (d->drag)
d->drag->setActive(false);
#endif
// If we don't accept hover, we need to reset containsMouse.
if (!acceptHoverEvents())
setHovered(false);
QQuickWindow *w = window();
if (w && w->mouseGrabberItem() == this)
ungrabMouse();
setKeepMouseGrab(false);
}
}
d->doubleClick = false;
}
void QDeclarative1MouseArea::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
Q_D(QDeclarative1MouseArea);
d->moved = false;
d->stealMouse = d->preventStealing;
if (!d->absorb)
QDeclarativeItem::mousePressEvent(event);
else {
d->longPress = false;
d->saveEvent(event);
if (d->drag) {
d->dragX = drag()->axis() & QDeclarative1Drag::XAxis;
d->dragY = drag()->axis() & QDeclarative1Drag::YAxis;
}
if (d->drag)
d->drag->setActive(false);
setHovered(true);
d->startScene = event->scenePos();
// we should only start timer if pressAndHold is connected to.
if (d->isPressAndHoldConnected())
d->pressAndHoldTimer.start(PressAndHoldDelay, this);
setKeepMouseGrab(d->stealMouse);
event->setAccepted(setPressed(true));
}
}
void QQuickMouseArea::ungrabMouse()
{
Q_D(QQuickMouseArea);
if (d->pressed) {
// if our mouse grab has been removed (probably by Flickable), fix our
// state
d->pressed = 0;
d->stealMouse = false;
d->doubleClick = false;
setKeepMouseGrab(false);
#ifndef QT_NO_DRAGANDDROP
if (d->drag)
d->drag->setActive(false);
#endif
emit canceled();
emit pressedChanged();
emit containsPressChanged();
emit pressedButtonsChanged();
if (d->hovered && !isUnderMouse()) {
d->hovered = false;
emit hoveredChanged();
}
}
}
bool QDeclarativePinchArea::sceneEvent(QEvent *event)
{
bool rv = QDeclarativeItem::sceneEvent(event);
if (event->type() == QEvent::UngrabMouse) {
setKeepMouseGrab(false);
}
return rv;
}
void QDeclarativeMouseArea::setPreventStealing(bool prevent)
{
Q_D(QDeclarativeMouseArea);
if (prevent != d->preventStealing) {
d->preventStealing = prevent;
setKeepMouseGrab(d->preventStealing && d->absorb);
emit preventStealingChanged();
}
}
void QQuickMouseArea::setPreventStealing(bool prevent)
{
Q_D(QQuickMouseArea);
if (prevent != d->preventStealing) {
d->preventStealing = prevent;
setKeepMouseGrab(d->preventStealing && d->enabled);
emit preventStealingChanged();
}
}
void QQuickMouseArea::setPropagateComposedEvents(bool prevent)
{
Q_D(QQuickMouseArea);
if (prevent != d->propagateComposedEvents) {
d->propagateComposedEvents = prevent;
setKeepMouseGrab(d->propagateComposedEvents && d->enabled);
emit propagateComposedEventsChanged();
}
}
void QDeclarativePinchArea::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
Q_D(QDeclarativePinchArea);
d->stealMouse = false;
if (!d->absorb)
QDeclarativeItem::mousePressEvent(event);
else {
setKeepMouseGrab(false);
event->setAccepted(true);
}
}
void QDeclarativePinchArea::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
{
Q_D(QDeclarativePinchArea);
d->stealMouse = false;
if (!d->absorb) {
QDeclarativeItem::mouseReleaseEvent(event);
} else {
QGraphicsScene *s = scene();
if (s && s->mouseGrabberItem() == this)
ungrabMouse();
setKeepMouseGrab(false);
}
}
void QSGPinchArea::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
{
Q_D(QSGPinchArea);
d->stealMouse = false;
if (!d->absorb) {
QSGItem::mouseReleaseEvent(event);
} else {
QSGCanvas *c = canvas();
if (c && c->mouseGrabberItem() == this)
ungrabMouse();
setKeepMouseGrab(false);
}
}
bool QDeclarativePinchArea::sendMouseEvent(QGraphicsSceneMouseEvent *event)
{
Q_D(QDeclarativePinchArea);
QGraphicsSceneMouseEvent mouseEvent(event->type());
QRectF myRect = mapToScene(QRectF(0, 0, width(), height())).boundingRect();
QGraphicsScene *s = scene();
QDeclarativeItem *grabber = s ? qobject_cast<QDeclarativeItem*>(s->mouseGrabberItem()) : 0;
bool stealThisEvent = d->stealMouse;
if ((stealThisEvent || myRect.contains(event->scenePos().toPoint())) && (!grabber || !grabber->keepMouseGrab())) {
mouseEvent.setAccepted(false);
for (int i = 0x1; i <= 0x10; i <<= 1) {
if (event->buttons() & i) {
Qt::MouseButton button = Qt::MouseButton(i);
mouseEvent.setButtonDownPos(button, mapFromScene(event->buttonDownPos(button)));
}
}
mouseEvent.setScenePos(event->scenePos());
mouseEvent.setLastScenePos(event->lastScenePos());
mouseEvent.setPos(mapFromScene(event->scenePos()));
mouseEvent.setLastPos(mapFromScene(event->lastScenePos()));
switch(mouseEvent.type()) {
case QEvent::GraphicsSceneMouseMove:
mouseMoveEvent(&mouseEvent);
break;
case QEvent::GraphicsSceneMousePress:
mousePressEvent(&mouseEvent);
break;
case QEvent::GraphicsSceneMouseRelease:
mouseReleaseEvent(&mouseEvent);
break;
default:
break;
}
grabber = qobject_cast<QDeclarativeItem*>(s->mouseGrabberItem());
if (grabber && stealThisEvent && !grabber->keepMouseGrab() && grabber != this)
grabMouse();
return stealThisEvent;
}
if (mouseEvent.type() == QEvent::GraphicsSceneMouseRelease) {
d->stealMouse = false;
if (s && s->mouseGrabberItem() == this)
ungrabMouse();
setKeepMouseGrab(false);
}
return false;
}
void QDeclarativeMouseArea::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
{
Q_D(QDeclarativeMouseArea);
if (!d->absorb) {
QDeclarativeItem::mouseReleaseEvent(event);
} else {
d->saveEvent(event);
setPressed(false);
if (d->drag)
d->drag->setActive(false);
// If we don't accept hover, we need to reset containsMouse.
if (!acceptHoverEvents())
setHovered(false);
setKeepMouseGrab(false);
}
}
void QQuickMultiPointTouchArea::grabGesture()
{
_stealMouse = true;
grabMouse();
setKeepMouseGrab(true);
QVector<int> ids;
ids.reserve(_touchPoints.size());
for (auto it = _touchPoints.keyBegin(), end = _touchPoints.keyEnd(); it != end; ++it) {
if (*it != -1) // -1 might be the mouse-point, but we already grabbed the mouse above.
ids.append(*it);
}
grabTouchPoints(ids);
setKeepTouchGrab(true);
}
bool QDeclarativeMouseArea::sceneEvent(QEvent *event)
{
bool rv = QDeclarativeItem::sceneEvent(event);
if (event->type() == QEvent::UngrabMouse) {
Q_D(QDeclarativeMouseArea);
if (d->pressed) {
// if our mouse grab has been removed (probably by Flickable), fix our
// state
d->pressed = false;
setKeepMouseGrab(false);
QDeclarativeMouseEvent me(d->lastPos.x(), d->lastPos.y(), d->lastButton, d->lastButtons, d->lastModifiers, false, false);
emit released(&me);
emit pressedChanged();
setHovered(false);
}
}
return rv;
}
void QQuickMouseArea::ungrabMouse()
{
Q_D(QQuickMouseArea);
if (d->pressed) {
// if our mouse grab has been removed (probably by Flickable), fix our
// state
d->pressed = 0;
d->stealMouse = false;
setKeepMouseGrab(false);
emit canceled();
emit pressedChanged();
emit pressedButtonsChanged();
if (d->hovered) {
d->hovered = false;
emit hoveredChanged();
}
}
}
bool QQuickMultiPointTouchArea::sendMouseEvent(QMouseEvent *event)
{
QPointF localPos = mapFromScene(event->windowPos());
QQuickWindow *c = window();
QQuickItem *grabber = c ? c->mouseGrabberItem() : 0;
bool stealThisEvent = _stealMouse;
if ((stealThisEvent || contains(localPos)) && (!grabber || !grabber->keepMouseGrab())) {
QMouseEvent mouseEvent(event->type(), localPos, event->windowPos(), event->screenPos(),
event->button(), event->buttons(), event->modifiers());
mouseEvent.setAccepted(false);
QGuiApplicationPrivate::setMouseEventCapsAndVelocity(&mouseEvent,
QGuiApplicationPrivate::mouseEventCaps(event),
QGuiApplicationPrivate::mouseEventVelocity(event));
QGuiApplicationPrivate::setMouseEventSource(&mouseEvent, Qt::MouseEventSynthesizedByQt);
switch (mouseEvent.type()) {
case QEvent::MouseMove:
mouseMoveEvent(&mouseEvent);
break;
case QEvent::MouseButtonPress:
mousePressEvent(&mouseEvent);
break;
case QEvent::MouseButtonRelease:
mouseReleaseEvent(&mouseEvent);
break;
default:
break;
}
grabber = c ? c->mouseGrabberItem() : 0;
if (grabber && stealThisEvent && !grabber->keepMouseGrab() && grabber != this)
grabMouse();
return stealThisEvent;
}
if (event->type() == QEvent::MouseButtonRelease) {
_stealMouse = false;
if (c && c->mouseGrabberItem() == this)
ungrabMouse();
setKeepMouseGrab(false);
}
return false;
}
void QQuickMultiPointTouchArea::mousePressEvent(QMouseEvent *event)
{
if (!isEnabled() || !_mouseEnabled || event->button() != Qt::LeftButton) {
QQuickItem::mousePressEvent(event);
return;
}
_stealMouse = false;
setKeepMouseGrab(false);
event->setAccepted(true);
_mousePos = event->localPos();
if (event->source() != Qt::MouseEventNotSynthesized)
return;
if (_touchPoints.count() >= _minimumTouchPoints - 1 && _touchPoints.count() < _maximumTouchPoints) {
updateTouchData(event);
}
}
bool QDeclarativeMouseArea::sceneEvent(QEvent *event)
{
bool rv = QDeclarativeItem::sceneEvent(event);
if (event->type() == QEvent::UngrabMouse) {
Q_D(QDeclarativeMouseArea);
if (d->pressed) {
// if our mouse grab has been removed (probably by Flickable), fix our
// state
d->pressed = false;
setKeepMouseGrab(false);
emit canceled();
emit pressedChanged();
if (d->hovered) {
d->hovered = false;
emit hoveredChanged();
}
}
}
return rv;
}
void QDeclarativeMouseArea::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
{
Q_D(QDeclarativeMouseArea);
d->stealMouse = false;
if (!d->absorb) {
QDeclarativeItem::mouseReleaseEvent(event);
} else {
d->saveEvent(event);
setPressed(false);
if (d->drag)
d->drag->setActive(false);
// If we don't accept hover, we need to reset containsMouse.
if (!acceptHoverEvents())
setHovered(false);
QGraphicsScene *s = scene();
if (s && s->mouseGrabberItem() == this)
ungrabMouse();
setKeepMouseGrab(false);
}
d->doubleClick = false;
}
void QQuickMouseArea::mousePressEvent(QMouseEvent *event)
{
Q_D(QQuickMouseArea);
d->moved = false;
d->stealMouse = d->preventStealing;
if (!d->enabled || !(event->button() & acceptedMouseButtons())) {
QQuickItem::mousePressEvent(event);
} else {
d->longPress = false;
d->saveEvent(event);
#ifndef QT_NO_DRAGANDDROP
if (d->drag)
d->drag->setActive(false);
#endif
setHovered(true);
d->startScene = event->windowPos();
d->pressAndHoldTimer.start(QGuiApplication::styleHints()->mousePressAndHoldInterval(), this);
setKeepMouseGrab(d->stealMouse);
event->setAccepted(setPressed(event->button(), true));
}
}
void QQuickMultiPointTouchArea::mouseReleaseEvent(QMouseEvent *event)
{
_stealMouse = false;
if (!isEnabled() || !_mouseEnabled) {
QQuickItem::mouseReleaseEvent(event);
return;
}
if (event->source() != Qt::MouseEventNotSynthesized)
return;
if (_mouseTouchPoint) {
updateTouchData(event);
_mouseTouchPoint->setInUse(false);
_releasedTouchPoints.removeAll(_mouseTouchPoint);
_mouseTouchPoint = Q_NULLPTR;
}
QQuickWindow *c = window();
if (c && c->mouseGrabberItem() == this)
ungrabMouse();
setKeepMouseGrab(false);
}
void QQuickMultiPointTouchArea::ungrab()
{
_stealMouse = false;
setKeepMouseGrab(false);
setKeepTouchGrab(false);
ungrabTouchPoints();
if (_touchPoints.count()) {
for (QObject *obj : qAsConst(_touchPoints))
static_cast<QQuickTouchPoint*>(obj)->setPressed(false);
emit canceled(_touchPoints.values());
clearTouchLists();
for (QObject *obj : qAsConst(_touchPoints)) {
QQuickTouchPoint *dtp = static_cast<QQuickTouchPoint*>(obj);
if (!dtp->isQmlDefined())
delete dtp;
else
dtp->setInUse(false);
}
_touchPoints.clear();
emit touchUpdated(QList<QObject*>());
}
}
void QQuickPinchArea::updatePinch()
{
Q_D(QQuickPinchArea);
if (d->touchPoints.count() == 0) {
if (d->inPinch) {
d->inPinch = false;
QPointF pinchCenter = mapFromScene(d->sceneLastCenter);
QQuickPinchEvent pe(pinchCenter, d->pinchLastScale, d->pinchLastAngle, d->pinchRotation);
pe.setStartCenter(d->pinchStartCenter);
pe.setPreviousCenter(pinchCenter);
pe.setPreviousAngle(d->pinchLastAngle);
pe.setPreviousScale(d->pinchLastScale);
pe.setStartPoint1(mapFromScene(d->sceneStartPoint1));
pe.setStartPoint2(mapFromScene(d->sceneStartPoint2));
pe.setPoint1(mapFromScene(d->lastPoint1));
pe.setPoint2(mapFromScene(d->lastPoint2));
emit pinchFinished(&pe);
d->pinchStartDist = 0;
d->pinchActivated = false;
if (d->pinch && d->pinch->target())
d->pinch->setActive(false);
}
d->initPinch = false;
d->pinchRejected = false;
d->stealMouse = false;
setKeepMouseGrab(false);
return;
}
if (d->touchPoints.count() == 1) {
setKeepMouseGrab(false);
}
QTouchEvent::TouchPoint touchPoint1 = d->touchPoints.at(0);
QTouchEvent::TouchPoint touchPoint2 = d->touchPoints.at(d->touchPoints. count() >= 2 ? 1 : 0);
QRectF bounds = clipRect();
// Pinch is not started unless there are exactly two touch points
// AND one or more of the points has just now been pressed (wasn't pressed already)
// AND both points are inside the bounds.
if (d->touchPoints.count() == 2
&& (touchPoint1.state() & Qt::TouchPointPressed || touchPoint2.state() & Qt::TouchPointPressed) &&
bounds.contains(touchPoint1.pos()) && bounds.contains(touchPoint2.pos())) {
d->id1 = touchPoint1.id();
d->sceneStartPoint1 = touchPoint1.scenePos();
d->sceneStartPoint2 = touchPoint2.scenePos();
d->pinchActivated = true;
d->initPinch = true;
}
if (d->pinchActivated && !d->pinchRejected) {
const int dragThreshold = qApp->styleHints()->startDragDistance();
QPointF p1 = touchPoint1.scenePos();
QPointF p2 = touchPoint2.scenePos();
qreal dx = p1.x() - p2.x();
qreal dy = p1.y() - p2.y();
qreal dist = sqrt(dx*dx + dy*dy);
QPointF sceneCenter = (p1 + p2)/2;
qreal angle = QLineF(p1, p2).angle();
if (d->touchPoints.count() == 1) {
// If we only have one point then just move the center
if (d->id1 == touchPoint1.id())
sceneCenter = d->sceneLastCenter + touchPoint1.scenePos() - d->lastPoint1;
else
sceneCenter = d->sceneLastCenter + touchPoint2.scenePos() - d->lastPoint2;
angle = d->pinchLastAngle;
}
d->id1 = touchPoint1.id();
if (angle > 180)
angle -= 360;
if (!d->inPinch || d->initPinch) {
if (d->touchPoints.count() >= 2
&& (qAbs(p1.x()-d->sceneStartPoint1.x()) >= dragThreshold
|| qAbs(p1.y()-d->sceneStartPoint1.y()) >= dragThreshold
|| qAbs(p2.x()-d->sceneStartPoint2.x()) >= dragThreshold
|| qAbs(p2.y()-d->sceneStartPoint2.y()) >= dragThreshold)) {
d->initPinch = false;
d->sceneStartCenter = sceneCenter;
d->sceneLastCenter = sceneCenter;
d->pinchStartCenter = mapFromScene(sceneCenter);
d->pinchStartDist = dist;
d->pinchStartAngle = angle;
d->pinchLastScale = 1.0;
d->pinchLastAngle = angle;
d->pinchRotation = 0.0;
d->lastPoint1 = p1;
d->lastPoint2 = p2;
QQuickPinchEvent pe(d->pinchStartCenter, 1.0, angle, 0.0);
pe.setStartCenter(d->pinchStartCenter);
pe.setPreviousCenter(d->pinchStartCenter);
pe.setPreviousAngle(d->pinchLastAngle);
pe.setPreviousScale(d->pinchLastScale);
pe.setStartPoint1(mapFromScene(d->sceneStartPoint1));
pe.setStartPoint2(mapFromScene(d->sceneStartPoint2));
pe.setPoint1(mapFromScene(d->lastPoint1));
pe.setPoint2(mapFromScene(d->lastPoint2));
pe.setPointCount(d->touchPoints.count());
emit pinchStarted(&pe);
if (pe.accepted()) {
d->inPinch = true;
d->stealMouse = true;
QQuickWindow *c = window();
if (c && c->mouseGrabberItem() != this)
grabMouse();
setKeepMouseGrab(true);
if (d->pinch && d->pinch->target()) {
d->pinchStartPos = pinch()->target()->position();
d->pinchStartScale = d->pinch->target()->scale();
d->pinchStartRotation = d->pinch->target()->rotation();
d->pinch->setActive(true);
}
} else {
d->pinchRejected = true;
}
}
} else if (d->pinchStartDist > 0) {
qreal scale = dist ? dist / d->pinchStartDist : d->pinchLastScale;
qreal da = d->pinchLastAngle - angle;
if (da > 180)
da -= 360;
else if (da < -180)
da += 360;
d->pinchRotation += da;
QPointF pinchCenter = mapFromScene(sceneCenter);
QQuickPinchEvent pe(pinchCenter, scale, angle, d->pinchRotation);
pe.setStartCenter(d->pinchStartCenter);
pe.setPreviousCenter(mapFromScene(d->sceneLastCenter));
pe.setPreviousAngle(d->pinchLastAngle);
pe.setPreviousScale(d->pinchLastScale);
pe.setStartPoint1(mapFromScene(d->sceneStartPoint1));
pe.setStartPoint2(mapFromScene(d->sceneStartPoint2));
pe.setPoint1(touchPoint1.pos());
pe.setPoint2(touchPoint2.pos());
pe.setPointCount(d->touchPoints.count());
d->pinchLastScale = scale;
d->sceneLastCenter = sceneCenter;
d->pinchLastAngle = angle;
d->lastPoint1 = touchPoint1.scenePos();
d->lastPoint2 = touchPoint2.scenePos();
emit pinchUpdated(&pe);
if (d->pinch && d->pinch->target()) {
qreal s = d->pinchStartScale * scale;
s = qMin(qMax(pinch()->minimumScale(),s), pinch()->maximumScale());
pinch()->target()->setScale(s);
QPointF pos = sceneCenter - d->sceneStartCenter + d->pinchStartPos;
if (pinch()->axis() & QQuickPinch::XAxis) {
qreal x = pos.x();
if (x < pinch()->xmin())
x = pinch()->xmin();
else if (x > pinch()->xmax())
x = pinch()->xmax();
pinch()->target()->setX(x);
}
if (pinch()->axis() & QQuickPinch::YAxis) {
qreal y = pos.y();
if (y < pinch()->ymin())
y = pinch()->ymin();
else if (y > pinch()->ymax())
y = pinch()->ymax();
pinch()->target()->setY(y);
}
if (d->pinchStartRotation >= pinch()->minimumRotation()
&& d->pinchStartRotation <= pinch()->maximumRotation()) {
qreal r = d->pinchRotation + d->pinchStartRotation;
r = qMin(qMax(pinch()->minimumRotation(),r), pinch()->maximumRotation());
pinch()->target()->setRotation(r);
}
}
}
}
}
void QQuickMouseArea::mouseMoveEvent(QMouseEvent *event)
{
Q_D(QQuickMouseArea);
if (!d->enabled && !d->pressed) {
QQuickItem::mouseMoveEvent(event);
return;
}
d->saveEvent(event);
// ### we should skip this if these signals aren't used
// ### can GV handle this for us?
const bool isInside = contains(d->lastPos);
if (d->hovered && !isInside)
setHovered(false);
else if (!d->hovered && isInside)
setHovered(true);
#ifndef QT_NO_DRAGANDDROP
if (d->drag && d->drag->target()) {
if (!d->moved) {
d->targetStartPos = d->drag->target()->parentItem()
? d->drag->target()->parentItem()->mapToScene(d->drag->target()->position())
: d->drag->target()->position();
}
QPointF startLocalPos;
QPointF curLocalPos;
if (drag()->target()->parentItem()) {
startLocalPos = drag()->target()->parentItem()->mapFromScene(d->startScene);
curLocalPos = drag()->target()->parentItem()->mapFromScene(event->windowPos());
} else {
startLocalPos = d->startScene;
curLocalPos = event->windowPos();
}
qreal dx = qAbs(curLocalPos.x() - startLocalPos.x());
qreal dy = qAbs(curLocalPos.y() - startLocalPos.y());
if (keepMouseGrab() && d->stealMouse && !d->drag->active())
d->drag->setActive(true);
QPointF startPos = d->drag->target()->parentItem()
? d->drag->target()->parentItem()->mapFromScene(d->targetStartPos)
: d->targetStartPos;
QPointF dragPos = d->drag->target()->position();
bool dragX = drag()->axis() & QQuickDrag::XAxis;
bool dragY = drag()->axis() & QQuickDrag::YAxis;
if (dragX && d->drag->active()) {
qreal x = (curLocalPos.x() - startLocalPos.x()) + startPos.x();
if (x < drag()->xmin())
x = drag()->xmin();
else if (x > drag()->xmax())
x = drag()->xmax();
dragPos.setX(x);
}
if (dragY && d->drag->active()) {
qreal y = (curLocalPos.y() - startLocalPos.y()) + startPos.y();
if (y < drag()->ymin())
y = drag()->ymin();
else if (y > drag()->ymax())
y = drag()->ymax();
dragPos.setY(y);
}
d->drag->target()->setPosition(dragPos);
if (!keepMouseGrab()) {
bool xDragged = QQuickWindowPrivate::dragOverThreshold(dx, Qt::XAxis, event);
bool yDragged = QQuickWindowPrivate::dragOverThreshold(dy, Qt::YAxis, event);
if ((!dragY && !yDragged && dragX && xDragged)
|| (!dragX && !xDragged && dragY && yDragged)
|| (dragX && dragY && (xDragged || yDragged))) {
setKeepMouseGrab(true);
d->stealMouse = true;
}
}
d->moved = true;
}
#endif
QQuickMouseEvent me(d->lastPos.x(), d->lastPos.y(), d->lastButton, d->lastButtons, d->lastModifiers, false, d->longPress);
emit mouseXChanged(&me);
me.setPosition(d->lastPos);
emit mouseYChanged(&me);
me.setPosition(d->lastPos);
emit positionChanged(&me);
}
void QQuickMouseArea::mouseMoveEvent(QMouseEvent *event)
{
Q_D(QQuickMouseArea);
if (!d->enabled && !d->pressed) {
QQuickItem::mouseMoveEvent(event);
return;
}
d->saveEvent(event);
// ### we should skip this if these signals aren't used
// ### can GV handle this for us?
setHovered(contains(d->lastPos));
#ifndef QT_NO_DRAGANDDROP
if (d->drag && d->drag->target()) {
if (!d->moved) {
d->targetStartPos = d->drag->target()->parentItem()
? d->drag->target()->parentItem()->mapToScene(d->drag->target()->position())
: d->drag->target()->position();
}
QPointF startLocalPos;
QPointF curLocalPos;
if (drag()->target()->parentItem()) {
startLocalPos = drag()->target()->parentItem()->mapFromScene(d->startScene);
curLocalPos = drag()->target()->parentItem()->mapFromScene(event->windowPos());
} else {
startLocalPos = d->startScene;
curLocalPos = event->windowPos();
}
if (keepMouseGrab() && d->stealMouse && !d->drag->active())
d->drag->setActive(true);
QPointF startPos = d->drag->target()->parentItem()
? d->drag->target()->parentItem()->mapFromScene(d->targetStartPos)
: d->targetStartPos;
bool dragX = drag()->axis() & QQuickDrag::XAxis;
bool dragY = drag()->axis() & QQuickDrag::YAxis;
QPointF dragPos = d->drag->target()->position();
if (dragX) {
dragPos.setX(qBound(
d->drag->xmin(),
startPos.x() + curLocalPos.x() - startLocalPos.x(),
d->drag->xmax()));
}
if (dragY) {
dragPos.setY(qBound(
d->drag->ymin(),
startPos.y() + curLocalPos.y() - startLocalPos.y(),
d->drag->ymax()));
}
if (d->drag->active())
d->drag->target()->setPosition(dragPos);
if (!keepMouseGrab()
&& (QQuickWindowPrivate::dragOverThreshold(dragPos.x() - startPos.x(), Qt::XAxis, event, d->drag->threshold())
|| QQuickWindowPrivate::dragOverThreshold(dragPos.y() - startPos.y(), Qt::YAxis, event, d->drag->threshold()))) {
setKeepMouseGrab(true);
d->stealMouse = true;
if (d->drag->smoothed())
d->startScene = event->windowPos();
}
d->moved = true;
}
#endif
QQuickMouseEvent me(d->lastPos.x(), d->lastPos.y(), d->lastButton, d->lastButtons, d->lastModifiers, false, d->longPress);
emit mouseXChanged(&me);
me.setPosition(d->lastPos);
emit mouseYChanged(&me);
me.setPosition(d->lastPos);
emit positionChanged(&me);
}
void QDeclarativeMouseArea::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
{
Q_D(QDeclarativeMouseArea);
if (!d->absorb) {
QDeclarativeItem::mouseMoveEvent(event);
return;
}
d->saveEvent(event);
// ### we should skip this if these signals aren't used
// ### can GV handle this for us?
bool contains = boundingRect().contains(d->lastPos);
if (d->hovered && !contains)
setHovered(false);
else if (!d->hovered && contains)
setHovered(true);
if (d->drag && d->drag->target()) {
if (!d->moved) {
d->startX = drag()->target()->x();
d->startY = drag()->target()->y();
}
QPointF startLocalPos;
QPointF curLocalPos;
if (drag()->target()->parentItem()) {
startLocalPos = drag()->target()->parentItem()->mapFromScene(d->startScene);
curLocalPos = drag()->target()->parentItem()->mapFromScene(event->scenePos());
} else {
startLocalPos = d->startScene;
curLocalPos = event->scenePos();
}
const int dragThreshold = QApplication::startDragDistance();
qreal dx = qAbs(curLocalPos.x() - startLocalPos.x());
qreal dy = qAbs(curLocalPos.y() - startLocalPos.y());
if (keepMouseGrab() && d->stealMouse)
d->drag->setActive(true);
bool dragX = drag()->axis() & QDeclarativeDrag::XAxis;
bool dragY = drag()->axis() & QDeclarativeDrag::YAxis;
if (dragX && d->drag->active()) {
qreal x = (curLocalPos.x() - startLocalPos.x()) + d->startX;
if (x < drag()->xmin())
x = drag()->xmin();
else if (x > drag()->xmax())
x = drag()->xmax();
drag()->target()->setX(x);
}
if (dragY && d->drag->active()) {
qreal y = (curLocalPos.y() - startLocalPos.y()) + d->startY;
if (y < drag()->ymin())
y = drag()->ymin();
else if (y > drag()->ymax())
y = drag()->ymax();
drag()->target()->setY(y);
}
if (!keepMouseGrab()) {
if ((!dragY && dy < dragThreshold && dragX && dx > dragThreshold)
|| (!dragX && dx < dragThreshold && dragY && dy > dragThreshold)
|| (dragX && dragY && (dx > dragThreshold || dy > dragThreshold))) {
setKeepMouseGrab(true);
d->stealMouse = true;
}
}
d->moved = true;
}
QDeclarativeMouseEvent me(d->lastPos.x(), d->lastPos.y(), d->lastButton, d->lastButtons, d->lastModifiers, false, d->longPress);
emit mousePositionChanged(&me);
me.setX(d->lastPos.x());
me.setY(d->lastPos.y());
emit positionChanged(&me);
}
void DeclarativeDragArea::mousePressEvent(QMouseEvent* event)
{
m_buttonDownPos = event->screenPos();
m_draggingJustStarted = true;
setKeepMouseGrab(true);
}
void QDeclarativePinchArea::updatePinch()
{
Q_D(QDeclarativePinchArea);
if (d->touchPoints.count() == 0) {
if (d->inPinch) {
d->stealMouse = false;
setKeepMouseGrab(false);
d->inPinch = false;
QPointF pinchCenter = mapFromScene(d->sceneLastCenter);
QDeclarativePinchEvent pe(pinchCenter, d->pinchLastScale, d->pinchLastAngle, d->pinchRotation);
pe.setStartCenter(d->pinchStartCenter);
pe.setPreviousCenter(pinchCenter);
pe.setPreviousAngle(d->pinchLastAngle);
pe.setPreviousScale(d->pinchLastScale);
pe.setStartPoint1(mapFromScene(d->sceneStartPoint1));
pe.setStartPoint2(mapFromScene(d->sceneStartPoint2));
pe.setPoint1(mapFromScene(d->lastPoint1));
pe.setPoint2(mapFromScene(d->lastPoint2));
emit pinchFinished(&pe);
d->pinchStartDist = 0;
d->pinchActivated = false;
if (d->pinch && d->pinch->target())
d->pinch->setActive(false);
}
return;
}
QTouchEvent::TouchPoint touchPoint1 = d->touchPoints.at(0);
QTouchEvent::TouchPoint touchPoint2 = d->touchPoints.at(d->touchPoints. count() >= 2 ? 1 : 0);
if (d->touchPoints.count() == 2
&& (touchPoint1.state() & Qt::TouchPointPressed || touchPoint2.state() & Qt::TouchPointPressed)) {
d->id1 = touchPoint1.id();
d->sceneStartPoint1 = touchPoint1.scenePos();
d->sceneStartPoint2 = touchPoint2.scenePos();
d->inPinch = false;
d->pinchRejected = false;
d->pinchActivated = true;
} else if (d->pinchActivated && !d->pinchRejected) {
const int dragThreshold = QApplication::startDragDistance();
QPointF p1 = touchPoint1.scenePos();
QPointF p2 = touchPoint2.scenePos();
qreal dx = p1.x() - p2.x();
qreal dy = p1.y() - p2.y();
qreal dist = sqrt(dx*dx + dy*dy);
QPointF sceneCenter = (p1 + p2)/2;
qreal angle = QLineF(p1, p2).angle();
if (d->touchPoints.count() == 1) {
// If we only have one point then just move the center
if (d->id1 == touchPoint1.id())
sceneCenter = d->sceneLastCenter + touchPoint1.scenePos() - d->lastPoint1;
else
sceneCenter = d->sceneLastCenter + touchPoint2.scenePos() - d->lastPoint2;
angle = d->pinchLastAngle;
}
d->id1 = touchPoint1.id();
if (angle > 180)
angle -= 360;
if (!d->inPinch) {
if (d->touchPoints.count() >= 2
&& (qAbs(p1.x()-d->sceneStartPoint1.x()) > dragThreshold
|| qAbs(p1.y()-d->sceneStartPoint1.y()) > dragThreshold
|| qAbs(p2.x()-d->sceneStartPoint2.x()) > dragThreshold
|| qAbs(p2.y()-d->sceneStartPoint2.y()) > dragThreshold)) {
d->sceneStartCenter = sceneCenter;
d->sceneLastCenter = sceneCenter;
d->pinchStartCenter = mapFromScene(sceneCenter);
d->pinchStartDist = dist;
d->pinchStartAngle = angle;
d->pinchLastScale = 1.0;
d->pinchLastAngle = angle;
d->pinchRotation = 0.0;
d->lastPoint1 = p1;
d->lastPoint2 = p2;
QDeclarativePinchEvent pe(d->pinchStartCenter, 1.0, angle, 0.0);
pe.setStartCenter(d->pinchStartCenter);
pe.setPreviousCenter(d->pinchStartCenter);
pe.setPreviousAngle(d->pinchLastAngle);
pe.setPreviousScale(d->pinchLastScale);
pe.setStartPoint1(mapFromScene(d->sceneStartPoint1));
pe.setStartPoint2(mapFromScene(d->sceneStartPoint2));
pe.setPoint1(mapFromScene(d->lastPoint1));
pe.setPoint2(mapFromScene(d->lastPoint2));
pe.setPointCount(d->touchPoints.count());
emit pinchStarted(&pe);
if (pe.accepted()) {
d->inPinch = true;
d->stealMouse = true;
QGraphicsScene *s = scene();
if (s && s->mouseGrabberItem() != this)
grabMouse();
setKeepMouseGrab(true);
if (d->pinch && d->pinch->target()) {
d->pinchStartPos = pinch()->target()->pos();
d->pinchStartScale = d->pinch->target()->scale();
d->pinchStartRotation = d->pinch->target()->rotation();
d->pinch->setActive(true);
}
} else {
d->pinchRejected = true;
}
}
} else if (d->pinchStartDist > 0) {
qreal scale = dist ? dist / d->pinchStartDist : d->pinchLastScale;
qreal da = d->pinchLastAngle - angle;
if (da > 180)
da -= 360;
else if (da < -180)
da += 360;
d->pinchRotation += da;
QPointF pinchCenter = mapFromScene(sceneCenter);
QDeclarativePinchEvent pe(pinchCenter, scale, angle, d->pinchRotation);
pe.setStartCenter(d->pinchStartCenter);
pe.setPreviousCenter(mapFromScene(d->sceneLastCenter));
pe.setPreviousAngle(d->pinchLastAngle);
pe.setPreviousScale(d->pinchLastScale);
pe.setStartPoint1(mapFromScene(d->sceneStartPoint1));
pe.setStartPoint2(mapFromScene(d->sceneStartPoint2));
pe.setPoint1(touchPoint1.pos());
pe.setPoint2(touchPoint2.pos());
pe.setPointCount(d->touchPoints.count());
d->pinchLastScale = scale;
d->sceneLastCenter = sceneCenter;
d->pinchLastAngle = angle;
d->lastPoint1 = touchPoint1.scenePos();
d->lastPoint2 = touchPoint2.scenePos();
emit pinchUpdated(&pe);
if (d->pinch && d->pinch->target()) {
qreal s = d->pinchStartScale * scale;
s = qMin(qMax(pinch()->minimumScale(),s), pinch()->maximumScale());
pinch()->target()->setScale(s);
QPointF pos = sceneCenter - d->sceneStartCenter + d->pinchStartPos;
if (pinch()->axis() & QDeclarativePinch::XAxis) {
qreal x = pos.x();
if (x < pinch()->xmin())
x = pinch()->xmin();
else if (x > pinch()->xmax())
x = pinch()->xmax();
pinch()->target()->setX(x);
}
if (pinch()->axis() & QDeclarativePinch::YAxis) {
qreal y = pos.y();
if (y < pinch()->ymin())
y = pinch()->ymin();
else if (y > pinch()->ymax())
y = pinch()->ymax();
pinch()->target()->setY(y);
}
if (d->pinchStartRotation >= pinch()->minimumRotation()
&& d->pinchStartRotation <= pinch()->maximumRotation()) {
qreal r = d->pinchRotation + d->pinchStartRotation;
r = qMin(qMax(pinch()->minimumRotation(),r), pinch()->maximumRotation());
pinch()->target()->setRotation(r);
}
}
}
}
}
