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();
}
}
/**
* Zoom the view in and out.
*/
void UMLView::wheelEvent(QWheelEvent* event)
{
// get the position of the mouse before scaling, in scene coords
QPointF pointBeforeScale(mapToScene(event->pos()));
// get the original screen centerpoint
QPointF screenCenter = center();
// scale the view ie. do the zoom
double scaleFactor = 1.15;
if (event->delta() > 0) {
// zoom in
if (currentZoom() < 500) {
scale(scaleFactor, scaleFactor);
}
} else {
// zooming out
if (currentZoom() > 10) {
scale(1.0 / scaleFactor, 1.0 / scaleFactor);
}
}
// get the position after scaling, in scene coords
QPointF pointAfterScale(mapToScene(event->pos()));
// get the offset of how the screen moved
QPointF offset = pointBeforeScale - pointAfterScale;
// adjust to the new center for correct zooming
QPointF newCenter = screenCenter + offset;
setCenter(newCenter);
DEBUG(DBG_SRC) << "currentZoom=" << currentZoom();
UMLApp::app()->slotZoomSliderMoved(currentZoom());
}
void QmlMapControl::zoomOut(QPoint middle)
{
if( currentZoom() == 0 )
{
return;
}
layermanager->zoomOut(middle);
updateView();
emit viewChanged(currentCoordinate(), currentZoom());
}
void QmlMapControl::setZoom(int zoomlevel)
{
if ( currentZoom() == zoomlevel ||
zoomlevel < 0 ||
zoomlevel > 17 )
{
return;
}
layermanager->setZoom(zoomlevel);
updateView();
emit viewChanged(currentCoordinate(), currentZoom());
refresh();
}
void MapControl::resize(const QSize newSize)
{
this->size = newSize;
screen_middle = QPoint(newSize.width()/2, newSize.height()/2);
this->setMaximumSize(newSize.width()+1, newSize.height()+1);
layermanager->resize(newSize);
emit viewChanged(currentCoordinate(), currentZoom());
}
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();
}
}
/**
* Sets the zoom of the diagram.
*/
void UMLView::setZoom(int zoom)
{
if (zoom < 10) {
zoom = 10;
} else if (zoom > 500) {
zoom = 500;
}
QMatrix wm;
wm.scale(zoom / 100.0, zoom / 100.0);
setMatrix(wm);
m_nZoom = currentZoom();
umlScene()->resizeSceneToItems();
}
void QmlMapControl::mouseMoveEvent(QMouseEvent* 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());
}
evnt->accept();
update();
emit viewChanged(currentCoordinate(), currentZoom());
}
void MapControl::paintEvent(QPaintEvent* evnt)
{
QWidget::paintEvent(evnt);
QPainter painter(this);
double line;
// painter.translate(150,190);
// painter.scale(0.5,0.5);
// painter.setClipRect(0,0, size.width(), size.height());
// painter.setViewport(10000000000,0,size.width(),size.height());
/*
// rotating
rotation = 45;
painter.translate(256,256);
painter.rotate(rotation);
painter.translate(-256,-256);
*/
layermanager->drawImage(&painter);
layermanager->drawGeoms(&painter);
// added by wolf
// draw scale
if (scaleVisible)
{
if (currentZoom() >= 0 && distanceList.size() > currentZoom())
{
line = distanceList.at( currentZoom() ) / pow(2.0, 18-currentZoom() ) / 0.597164;
// draw the scale
painter.setPen(mapPen);
QPoint p1(10,size.height()-20);
QPoint p2((int)line,size.height()-20);
painter.drawLine(p1,p2);
painter.drawLine(10,size.height()-15, 10,size.height()-25);
painter.drawLine((int)line,size.height()-15, (int)line,size.height()-25);
QString distance;
if (distanceList.at(currentZoom()) >= 1000)
{
distance = QVariant( distanceList.at(currentZoom())/1000 ) .toString()+ " km";
}
else
{
distance = QVariant( distanceList.at(currentZoom()) ).toString() + " m";
}
painter.drawText(QPoint((int)line+10,size.height()-15), distance);
}
}
painter.drawLine(screen_middle.x(), screen_middle.y()-10,
screen_middle.x(), screen_middle.y()+10); // |
painter.drawLine(screen_middle.x()-10, screen_middle.y(),
screen_middle.x()+10, screen_middle.y()); // -
// int cross_x = int(layermanager->getMapmiddle_px().x())%256;
// int cross_y = int(layermanager->getMapmiddle_px().y())%256;
// painter.drawLine(screen_middle.x()-cross_x+cross_x, screen_middle.y()-cross_y+0,
// screen_middle.x()-cross_x+cross_x, screen_middle.y()-cross_y+256); // |
// painter.drawLine(screen_middle.x()-cross_x+0, screen_middle.y()-cross_y+cross_y,
// screen_middle.x()-cross_x+256, screen_middle.y()-cross_y+cross_y); // -
painter.drawRect(0,0, size.width(), size.height());
/*
// rotating
painter.setMatrix(painter.matrix().inverted());
//qt = painter.transform();
qm = painter.combinedMatrix();
*/
if (mousepressed && mymousemode == Dragging)
{
QRect rect = QRect(pre_click_px, current_mouse_pos);
painter.drawRect(rect);
}
// Draw the Lat and Lon if needed
// FIXME Mariano
if (cursorPosVisible && currentZoom() < 19)
{
line = distanceList.at( currentZoom() ) / pow(2.0, 18-currentZoom() ) / 0.597164;
QString str;
str = QString(tr(" Lat: %1")).arg(currentWorldCoordinate.y());
painter.drawText(QPoint((int)line+70,size.height()-15), str);
str = QString(tr(" Lon: %1")).arg(currentWorldCoordinate.x());
painter.drawText(QPoint((int)line+160,size.height()-15), str);
}
emit viewChanged(currentCoordinate(), currentZoom());
}
void MapControl::setViewAndZoomIn(const QList<QPointF> coordinates) const
{
layermanager->setViewAndZoomIn(coordinates);
emit viewChanged(currentCoordinate(), currentZoom());
}
void MapControl::setView(const QPointF& coordinate) const
{
layermanager->setView(coordinate);
emit viewChanged(currentCoordinate(), currentZoom());
}
void MapControl::updateView() const
{
layermanager->setView( currentCoordinate() );
emit viewChanged(currentCoordinate(), currentZoom());
}
void MapControl::setZoom(int zoomlevel)
{
layermanager->setZoom(zoomlevel);
updateView();
emit viewChanged(currentCoordinate(), currentZoom());
}
void MapControl::zoomOut()
{
layermanager->zoomOut();
updateView();
emit viewChanged(currentCoordinate(), currentZoom());
}
void MapControl::paintEvent(QPaintEvent* evnt)
{
Q_UNUSED(evnt);
static QPixmap *doubleBuffer( new QPixmap(width(), height()) );
//check for resize change
if ( doubleBuffer->width() != width() || doubleBuffer->height() != height() )
{
delete doubleBuffer;
doubleBuffer = new QPixmap(width(), height());
}
QPainter dbPainter;
dbPainter.begin(doubleBuffer);
layermanager->drawImage(&dbPainter);
layermanager->drawGeoms(&dbPainter);
// draw scale
if (scaleVisible)
{
static QList<double> distanceList;
if (distanceList.isEmpty())
{
distanceList<<5000000<<2000000<<1000000<<1000000<<1000000<<100000<<100000<<50000<<50000<<10000<<10000<<10000<<1000<<1000<<500<<200<<100<<50<<25;
}
if (currentZoom() >= layermanager->minZoom() && distanceList.size() > currentZoom())
{
double line;
line = distanceList.at( currentZoom() ) / pow(2.0, 18-currentZoom() ) / 0.597164;
// draw the scale
dbPainter.setPen(Qt::black);
QPoint p1(10,size.height()-20);
QPoint p2((int)line,size.height()-20);
dbPainter.drawLine(p1,p2);
dbPainter.drawLine(10,size.height()-15, 10,size.height()-25);
dbPainter.drawLine((int)line,size.height()-15, (int)line,size.height()-25);
QString distance;
if (distanceList.at(currentZoom()) >= 1000)
{
distance = QVariant( distanceList.at(currentZoom())/1000 ) .toString()+ " km";
}
else
{
distance = QVariant( distanceList.at(currentZoom()) ).toString() + " m";
}
dbPainter.drawText(QPoint((int)line+10,size.height()-15), distance);
}
}
if (crosshairsVisible)
{
dbPainter.drawLine(screen_middle.x(), screen_middle.y()-10,
screen_middle.x(), screen_middle.y()+10); // |
dbPainter.drawLine(screen_middle.x()-10, screen_middle.y(),
screen_middle.x()+10, screen_middle.y()); // -
}
dbPainter.drawRect(0,0, size.width(), size.height());
if (mousepressed && mymousemode == Dragging)
{
QRect rect = QRect(pre_click_px, current_mouse_pos);
dbPainter.drawRect(rect);
}
dbPainter.end();
QPainter painter;
painter.begin( this );
painter.drawPixmap( rect(), *doubleBuffer, doubleBuffer->rect() );
painter.end();
}
void QmlMapControl::paint(QPainter* painter)
{
// painter->translate(150,190);
// painter->scale(0.5,0.5);
// painter->setClipRect(0,0, size.width(), size.height());
// painter->setViewport(10000000000,0,size.width(),size.height());
/*
// rotating
rotation = 45;
painter->translate(256,256);
painter->rotate(rotation);
painter->translate(-256,-256);
*/
layermanager->drawImage(painter);
layermanager->drawGeoms(painter);
// added by wolf
// draw scale
if (scaleVisible)
{
QList<double> distanceList;
distanceList<<5000000<<2000000<<1000000<<1000000<<1000000<<100000<<100000<<50000<<50000<<10000<<10000<<10000<<1000<<1000<<500<<200<<100<<50<<25;
if (currentZoom() >= 0 && distanceList.size() > currentZoom())
{
double line;
line = distanceList.at( currentZoom() ) / pow(2.0, 18-currentZoom() ) / 0.597164;
// draw the scale
painter->setPen(Qt::black);
QPoint p1(10,size.height()-20);
QPoint p2((int)line,size.height()-20);
painter->drawLine(p1,p2);
painter->drawLine(10,size.height()-15, 10,size.height()-25);
painter->drawLine((int)line,size.height()-15, (int)line,size.height()-25);
QString distance;
if (distanceList.at(currentZoom()) >= 1000)
{
distance = QVariant( distanceList.at(currentZoom())/1000 ) .toString()+ " km";
}
else
{
distance = QVariant( distanceList.at(currentZoom()) ).toString() + " m";
}
painter->drawText(QPoint((int)line+10,size.height()-15), distance);
}
}
if (crosshairsVisible)
{
painter->drawLine(screen_middle.x(), screen_middle.y()-10,
screen_middle.x(), screen_middle.y()+10); // |
painter->drawLine(screen_middle.x()-10, screen_middle.y(),
screen_middle.x()+10, screen_middle.y()); // -
}
// int cross_x = int(layermanager->getMapmiddle_px().x())%256;
// int cross_y = int(layermanager->getMapmiddle_px().y())%256;
// painter->drawLine(screen_middle.x()-cross_x+cross_x, screen_middle.y()-cross_y+0,
// screen_middle.x()-cross_x+cross_x, screen_middle.y()-cross_y+256); // |
// painter->drawLine(screen_middle.x()-cross_x+0, screen_middle.y()-cross_y+cross_y,
// screen_middle.x()-cross_x+256, screen_middle.y()-cross_y+cross_y); // -
painter->drawRect(0,0, size.width(), size.height());
/*
// rotating
painter->setMatrix(painter->matrix().inverted());
//qt = painter->transform();
qm = painter->combinedMatrix();
*/
if (mousepressed && mymousemode == Dragging)
{
QRect rect = QRect(pre_click_px, current_mouse_pos);
painter->drawRect(rect);
}
//emit viewChanged(currentCoordinate(), currentZoom());
}
