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Diffstat (limited to 'src/declarative/graphicsitems/qdeclarativemousearea.cpp')
-rw-r--r--src/declarative/graphicsitems/qdeclarativemousearea.cpp63
1 files changed, 54 insertions, 9 deletions
diff --git a/src/declarative/graphicsitems/qdeclarativemousearea.cpp b/src/declarative/graphicsitems/qdeclarativemousearea.cpp
index a6cc75e..126d041 100644
--- a/src/declarative/graphicsitems/qdeclarativemousearea.cpp
+++ b/src/declarative/graphicsitems/qdeclarativemousearea.cpp
@@ -50,7 +50,8 @@ QT_BEGIN_NAMESPACE
static const int PressAndHoldDelay = 800;
QDeclarativeDrag::QDeclarativeDrag(QObject *parent)
-: QObject(parent), _target(0), _axis(XandYAxis), _xmin(0), _xmax(0), _ymin(0), _ymax(0)
+: QObject(parent), _target(0), _axis(XandYAxis), _xmin(0), _xmax(0), _ymin(0), _ymax(0),
+_active(false)
{
}
@@ -144,6 +145,19 @@ void QDeclarativeDrag::setYmax(qreal m)
emit maximumYChanged();
}
+bool QDeclarativeDrag::active() const
+{
+ return _active;
+}
+
+void QDeclarativeDrag::setActive(bool drag)
+{
+ if (_active == drag)
+ return;
+ _active = drag;
+ emit activeChanged();
+}
+
QDeclarativeMouseAreaPrivate::~QDeclarativeMouseAreaPrivate()
{
delete drag;
@@ -389,7 +403,8 @@ void QDeclarativeMouseArea::mousePressEvent(QGraphicsSceneMouseEvent *event)
d->dragX = drag()->axis() & QDeclarativeDrag::XAxis;
d->dragY = drag()->axis() & QDeclarativeDrag::YAxis;
}
- d->dragged = false;
+ if (d->drag)
+ d->drag->setActive(false);
setHovered(true);
d->startScene = event->scenePos();
// we should only start timer if pressAndHold is connected to.
@@ -438,7 +453,7 @@ void QDeclarativeMouseArea::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
qreal dx = qAbs(curLocalPos.x() - startLocalPos.x());
qreal dy = qAbs(curLocalPos.y() - startLocalPos.y());
if ((d->dragX && !(dx < dragThreshold)) || (d->dragY && !(dy < dragThreshold)))
- d->dragged = true;
+ d->drag->setActive(true);
if (!keepMouseGrab()) {
if ((!d->dragY && dy < dragThreshold && d->dragX && dx > dragThreshold)
|| (!d->dragX && dx < dragThreshold && d->dragY && dy > dragThreshold)
@@ -447,7 +462,7 @@ void QDeclarativeMouseArea::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
}
}
- if (d->dragX && d->dragged) {
+ if (d->dragX && d->drag->active()) {
qreal x = (curLocalPos.x() - startLocalPos.x()) + d->startX;
if (x < drag()->xmin())
x = drag()->xmin();
@@ -455,7 +470,7 @@ void QDeclarativeMouseArea::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
x = drag()->xmax();
drag()->target()->setX(x);
}
- if (d->dragY && d->dragged) {
+ if (d->dragY && d->drag->active()) {
qreal y = (curLocalPos.y() - startLocalPos.y()) + d->startY;
if (y < drag()->ymin())
y = drag()->ymin();
@@ -466,6 +481,9 @@ void QDeclarativeMouseArea::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
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);
}
@@ -478,6 +496,8 @@ void QDeclarativeMouseArea::mouseReleaseEvent(QGraphicsSceneMouseEvent *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);
@@ -518,6 +538,9 @@ void QDeclarativeMouseArea::hoverMoveEvent(QGraphicsSceneHoverEvent *event)
} else {
d->lastPos = event->pos();
QDeclarativeMouseEvent me(d->lastPos.x(), d->lastPos.y(), Qt::NoButton, d->lastButtons, d->lastModifiers, false, d->longPress);
+ emit mousePositionChanged(&me);
+ me.setX(d->lastPos.x());
+ me.setY(d->lastPos.y());
emit positionChanged(&me);
}
}
@@ -541,8 +564,10 @@ bool QDeclarativeMouseArea::sceneEvent(QEvent *event)
// 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();
- //emit hoveredChanged();
+ setHovered(false);
}
}
return rv;
@@ -553,7 +578,8 @@ void QDeclarativeMouseArea::timerEvent(QTimerEvent *event)
Q_D(QDeclarativeMouseArea);
if (event->timerId() == d->pressAndHoldTimer.timerId()) {
d->pressAndHoldTimer.stop();
- if (d->pressed && d->dragged == false && d->hovered == true) {
+ bool dragged = d->drag && d->drag->active();
+ if (d->pressed && dragged == false && d->hovered == true) {
d->longPress = true;
QDeclarativeMouseEvent me(d->lastPos.x(), d->lastPos.y(), d->lastButton, d->lastButtons, d->lastModifiers, false, d->longPress);
emit pressAndHold(&me);
@@ -561,6 +587,18 @@ void QDeclarativeMouseArea::timerEvent(QTimerEvent *event)
}
}
+void QDeclarativeMouseArea::geometryChanged(const QRectF &newGeometry,
+ const QRectF &oldGeometry)
+{
+ Q_D(QDeclarativeMouseArea);
+ QDeclarativeItem::geometryChanged(newGeometry, oldGeometry);
+
+ if (d->lastScenePos.isNull)
+ d->lastScenePos = mapToScene(d->lastPos);
+ else if (newGeometry.x() != oldGeometry.x() || newGeometry.y() != oldGeometry.y())
+ d->lastPos = mapFromScene(d->lastScenePos);
+}
+
/*!
\qmlproperty bool MouseArea::hoverEnabled
This property holds whether hover events are handled.
@@ -641,16 +679,21 @@ void QDeclarativeMouseArea::setAcceptedButtons(Qt::MouseButtons buttons)
bool QDeclarativeMouseArea::setPressed(bool p)
{
Q_D(QDeclarativeMouseArea);
- bool isclick = d->pressed == true && p == false && d->dragged == false && d->hovered == true;
+ bool dragged = d->drag && d->drag->active();
+ bool isclick = d->pressed == true && p == false && dragged == false && d->hovered == true;
if (d->pressed != p) {
d->pressed = p;
QDeclarativeMouseEvent me(d->lastPos.x(), d->lastPos.y(), d->lastButton, d->lastButtons, d->lastModifiers, isclick, d->longPress);
if (d->pressed) {
emit pressed(&me);
- emit positionChanged(&me);
+ me.setX(d->lastPos.x());
+ me.setY(d->lastPos.y());
+ emit mousePositionChanged(&me);
} else {
emit released(&me);
+ me.setX(d->lastPos.x());
+ me.setY(d->lastPos.y());
if (isclick && !d->longPress)
emit clicked(&me);
}
@@ -671,6 +714,7 @@ QDeclarativeDrag *QDeclarativeMouseArea::drag()
/*!
\qmlproperty Item MouseArea::drag.target
+ \qmlproperty bool MouseArea::drag.active
\qmlproperty Axis MouseArea::drag.axis
\qmlproperty real MouseArea::drag.minimumX
\qmlproperty real MouseArea::drag.maximumX
@@ -681,6 +725,7 @@ QDeclarativeDrag *QDeclarativeMouseArea::drag()
\list
\i \c target specifies the item to drag.
+ \i \c active specifies if the target item is being currently dragged.
\i \c axis specifies whether dragging can be done horizontally (XAxis), vertically (YAxis), or both (XandYAxis)
\i the minimum and maximum properties limit how far the target can be dragged along the corresponding axes.
\endlist
generated by cgit v0.12 at 2024-11-23 22:02:36 (GMT)