bool QQuickMouseArea::setPressed(Qt::MouseButton button, bool p)
{
Q_D(QQuickMouseArea);
#ifndef QT_NO_DRAGANDDROP
bool dragged = d->drag && d->drag->active();
#else
bool dragged = false;
#endif
bool wasPressed = d->pressed & button;
bool isclick = wasPressed && p == false && dragged == false && d->hovered == true;
Qt::MouseButtons oldPressed = d->pressed;
if (wasPressed != p) {
QQuickMouseEvent me(d->lastPos.x(), d->lastPos.y(), d->lastButton, d->lastButtons, d->lastModifiers, isclick, d->longPress);
if (p) {
d->pressed |= button;
if (!d->doubleClick)
emit pressed(&me);
me.setPosition(d->lastPos);
emit mouseXChanged(&me);
me.setPosition(d->lastPos);
emit mouseYChanged(&me);
if (!oldPressed) {
emit pressedChanged();
emit containsPressChanged();
}
emit pressedButtonsChanged();
} else {
d->pressed &= ~button;
emit released(&me);
me.setPosition(d->lastPos);
if (!d->pressed) {
emit pressedChanged();
emit containsPressChanged();
}
emit pressedButtonsChanged();
if (isclick && !d->longPress && !d->doubleClick){
me.setAccepted(d->isClickConnected());
emit clicked(&me);
if (!me.isAccepted())
d->propagate(&me, QQuickMouseAreaPrivate::Click);
}
}
return me.isAccepted();
}
return false;
}
void QQuickMouseArea::hoverMoveEvent(QHoverEvent *event)
{
Q_D(QQuickMouseArea);
if (!d->enabled && !d->pressed) {
QQuickItem::hoverMoveEvent(event);
} else {
d->lastPos = event->posF();
d->lastModifiers = event->modifiers();
QQuickMouseEvent me(d->lastPos.x(), d->lastPos.y(), Qt::NoButton, Qt::NoButton, d->lastModifiers, false, false);
emit mouseXChanged(&me);
me.setPosition(d->lastPos);
emit mouseYChanged(&me);
me.setPosition(d->lastPos);
emit positionChanged(&me);
}
}
bool AsemanMouseEventListener::childMouseEventFilter(QQuickItem *item, QEvent *e)
{
QMouseEvent *mevent = static_cast<QMouseEvent*>(e);
switch(static_cast<int>(e->type()))
{
case QEvent::MouseMove:
{
QPointF newP = mapFromItem(item, mevent->pos());
bool xChanged = (newP.x() != p->point.x());
bool yChanged = (newP.y() != p->point.y());
p->point = newP;
if(xChanged) Q_EMIT mouseXChanged();
if(yChanged) Q_EMIT mouseYChanged();
Q_EMIT mousePositionChanged();
break;
}
case QEvent::MouseButtonPress:
p->point = mapFromItem(item, mevent->pos());
Q_EMIT mousePressed();
break;
case QEvent::MouseButtonRelease:
p->point = mapFromItem(item, mevent->pos());
Q_EMIT mouseReleased();
break;
default:
p->ignoreEvent = false;
break;
}
if(p->ignoreEvent)
{
p->ignoreEvent = false;
return true;
}
else
return QQuickItem::childMouseEventFilter(item, e);
}
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 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);
}
