void QmlMapControl::touchEvent(QTouchEvent *evnt)
{
const QList<QTouchEvent::TouchPoint> & touchs = evnt->touchPoints();
if( touchs.count() != 2 )
{
QQuickPaintedItem::touchEvent(evnt);
}
else
{
evnt->accept();
const QTouchEvent::TouchPoint & t0 = touchs.first();
const QTouchEvent::TouchPoint & t1 = touchs.last();
if( last_t0_startPos.isNull() )
last_t0_startPos = t0.startPos();
if( last_t1_startPos.isNull() )
last_t1_startPos = t1.startPos();
qreal startW = qPow( qPow(last_t0_startPos.x()-last_t1_startPos.x(),2)+qPow(last_t0_startPos.y()-last_t1_startPos.y(),2), 0.5 );
qreal endW = qPow( qPow(t0.pos().x()-t1.pos().x(),2)+qPow(t0.pos().y()-t1.pos().y(),2), 0.5 );
if( startW*4/3<endW )
{
QPoint pnt( last_t0_startPos.x()/2+last_t1_startPos.x()/2, last_t0_startPos.y()/2+last_t1_startPos.y()/2 );
QPoint newPoint( width()-pnt.x(), height()-pnt.y() );
setView(clickToWorldCoordinate(pnt));
zoomIn(pnt);
setView(clickToWorldCoordinate(newPoint));
last_t0_startPos = t0.pos();
last_t1_startPos = t1.pos();
}
else
if( startW*3/4>endW )
{
QPoint pnt( t0.pos().x()/2+t1.pos().x()/2, t0.pos().y()/2+t1.pos().y()/2 );
QPoint newPoint( width()-pnt.x(), height()-pnt.y() );
setView(clickToWorldCoordinate(pnt));
zoomOut(pnt);
setView(clickToWorldCoordinate(newPoint));
last_t0_startPos = t0.pos();
last_t1_startPos = t1.pos();
}
}
}
void MapControl::mouseReleaseEvent(QMouseEvent* evnt)
{
mousepressed = false;
if (mymousemode == Dragging)
{
QPointF ulCoord = clickToWorldCoordinate(pre_click_px);
QPointF lrCoord = clickToWorldCoordinate(current_mouse_pos);
QRectF coordinateBB = QRectF(ulCoord, QSizeF( (lrCoord-ulCoord).x(), (lrCoord-ulCoord).y()));
emit(boxDragged(coordinateBB));
}
emit(mouseEventCoordinate(evnt, clickToWorldCoordinate(evnt->pos())));
}
void MapControl::mouseMoveEvent(QMouseEvent* evnt)
{
layermanager->mouseEvent(evnt);
emit(mouseEvent(evnt));
/*
// rotating
QMouseEvent* me = new QMouseEvent(evnt->type(), qm.map(QPoint(evnt->x(),evnt->y())), evnt->button(), evnt->buttons(), evnt->modifiers());
evnt = me;
*/
if (mousepressed && mymousemode == Panning)
{
QPoint offset = pre_click_px - QPoint(evnt->x(), evnt->y());
layermanager->scrollView(offset);
pre_click_px = QPoint(evnt->x(), evnt->y());
}
else if (mousepressed && mymousemode == Dragging)
{
current_mouse_pos = QPoint(evnt->x(), evnt->y());
}
// emit(mouseEventCoordinate(evnt, clickToWorldCoordinate(evnt->pos())));
currentWorldCoordinate = clickToWorldCoordinate(evnt->pos());
emit(mouseMoveCoordinateEvent(currentWorldCoordinate));
update();
//emit(mouseEventCoordinate(evnt, clickToWorldCoordinate(evnt->pos())));
}
// mouse events
void MapControl::mousePressEvent(QMouseEvent* evnt)
{
//rotating (experimental)
// QMouseEvent* me = new QMouseEvent(evnt->type(), qm.map(QPoint(evnt->x(),evnt->y())), evnt->button(), evnt->buttons(), evnt->modifiers());
// evnt = me;
// qDebug() << "evnt: " << evnt->x() << ", " << evnt->y() << ", " << evnt->pos();
layermanager->mouseEvent(evnt);
if (layermanager->layers().size()>0)
{
if (evnt->button() == 1)
{
mousepressed = true;
pre_click_px = QPoint(evnt->x(), evnt->y());
}
else if (evnt->button() == 2 && mymousemode != None) // zoom in
{
zoomIn();
} else if (evnt->button() == 4 && mymousemode != None) // zoom out
{
zoomOut();
}
}
// emit(mouseEvent(evnt));
emit(mouseEventCoordinate(evnt, clickToWorldCoordinate(evnt->pos())));
}
void MapControl::wheelEvent(QWheelEvent *evnt)
{
if(mouse_wheel_events &&
evnt->orientation() == Qt::Vertical)
{
if(evnt->delta() > 0)
{
if( currentZoom() == layermanager->maxZoom() )
{
return;
}
setView(clickToWorldCoordinate(evnt->pos())); //zoom in under mouse cursor
zoomIn();
}
else
{
if( currentZoom() == layermanager->minZoom() )
{
return;
}
zoomOut();
}
evnt->accept();
}
else
{
evnt->ignore();
}
}
// mouse events
void MapControl::mousePressEvent(QMouseEvent* evnt)
{
layermanager->mouseEvent(evnt);
if (layermanager->layers().size()>0)
{
if (evnt->button() == 1)
{
mousepressed = true;
pre_click_px = QPoint(evnt->x(), evnt->y());
}
// else if ( evnt->button() == 2 &&
// mouseWheelEventsEnabled() &&
// mymousemode != None) // zoom in
// {
// zoomIn();
// }
// else if ( evnt->button() == 4 &&
// mouseWheelEventsEnabled() &&
// mymousemode != None) // zoom out
// {
// zoomOut();
// }
}
// emit(mouseEvent(evnt));
emit(mouseEventCoordinate(evnt, clickToWorldCoordinate(evnt->pos())));
}
void QmlMapControl::wheelEvent(QWheelEvent *evnt)
{
if(mouse_wheel_events &&
evnt->orientation() == Qt::Vertical)
{
if(evnt->delta() > 0)
{
if( currentZoom() == 17 )
{
return;
}
QPoint pnt = evnt->pos();
QPoint newPoint( width()-pnt.x(), height()-pnt.y() );
setView(clickToWorldCoordinate(pnt));
zoomIn(pnt);
setView(clickToWorldCoordinate(newPoint));
}
else
{
if( currentZoom() == 0 )
{
return;
}
QPoint pnt = evnt->pos();
QPoint newPoint( width()-pnt.x(), height()-pnt.y() );
setView(clickToWorldCoordinate(pnt));
zoomOut(pnt);
setView(clickToWorldCoordinate(newPoint));
}
evnt->accept();
}
else
{
evnt->ignore();
}
}
