void WidgetStyle::WidgetScene::mouseMoveEvent(QGraphicsSceneMouseEvent* event)
{
if(m_mouseButton == Qt::LeftButton)
{
QRectF rect = m_rectItem->rect();
QPointF point = event->scenePos();
if(point.x() >= m_topLeftRect.x() && point.y() >= m_topLeftRect.y())
{
rect.setTopLeft(m_topLeftRect);
rect.setBottomRight(point);
}
else if(point.x() >= m_topLeftRect.x() && point.y() <= m_topLeftRect.y())
{
rect.setBottomLeft(m_topLeftRect);
rect.setTopRight(point);
}
else if(point.x() <= m_topLeftRect.x() && point.y() >= m_topLeftRect.y())
{
rect.setTopRight(m_topLeftRect);
rect.setBottomLeft(point);
}
else if(point.x() <= m_topLeftRect.x() && point.y() <= m_topLeftRect.y())
{
rect.setBottomRight(m_topLeftRect);
rect.setTopLeft(point);
}
m_rectItem->setRect(rect);
m_wgtStyle->distinguishRect(rect);
}
QGraphicsScene::mouseMoveEvent(event);
}
void paint(QPainter * painter,
const QStyleOptionGraphicsItem * option, QWidget * widget)
{
Q_UNUSED(option);
Q_UNUSED(widget);
// BasicWidget::paint(painter, option, widget);
if (iconInSvg().isValid()) {
QRectF iconRect = QRectF(QPointF(), iconSize());
QSizeF sizeDiff = size() - iconRect.size();
iconRect.setTopLeft(QPointF(sizeDiff.width() / 2, sizeDiff.height() / 2));
if (animate) {
iconInSvg().paint(painter,
iconRect.left(),
iconRect.top(),
"frame" + QString::number(frame));
} else {
iconInSvg().paint(painter,
iconRect.left(),
iconRect.top(),
"frame" + QString::number(
(frame > 0) ? frameCount : 0
));
}
}
}
void eraseRegionObjectGroup(MapDocument *mapDocument,
ObjectGroup *layer,
const QRegion &where)
{
QUndoStack *undo = mapDocument->undoStack();
const auto objects = layer->objects();
for (MapObject *obj : objects) {
// TODO: we are checking bounds, which is only correct for rectangles and
// tile objects. polygons and polylines are not covered correctly by this
// erase method (we are in fact deleting too many objects)
// TODO2: toAlignedRect may even break rects.
// Convert the boundary of the object into tile space
const QRectF objBounds = obj->boundsUseTile();
QPointF tl = mapDocument->renderer()->pixelToTileCoords(objBounds.topLeft());
QPointF tr = mapDocument->renderer()->pixelToTileCoords(objBounds.topRight());
QPointF br = mapDocument->renderer()->pixelToTileCoords(objBounds.bottomRight());
QPointF bl = mapDocument->renderer()->pixelToTileCoords(objBounds.bottomLeft());
QRectF objInTileSpace;
objInTileSpace.setTopLeft(tl);
objInTileSpace.setTopRight(tr);
objInTileSpace.setBottomRight(br);
objInTileSpace.setBottomLeft(bl);
const QRect objAlignedRect = objInTileSpace.toAlignedRect();
if (where.intersects(objAlignedRect))
undo->push(new RemoveMapObject(mapDocument, obj));
}
}
void core::Connector::setEndObject(GraphicObject *end)
{
if(!end) return;
endObject = end;
// qDebug() << currentMousePos;
//we use currentMousePos instead internal currentMousePos from "end" object due update mouse position problems
//there are conflicts when moving mouse so using this currentMousePos ensures mouse pos is always updated
// qDebug() << portRect;
endPoint = mapFromItem(end, end->getCurrentPortPos(mapToItem(end, currentMousePos)));
isBuildingConector = false;
// qDebug() << portCenter;
QRectF container = getContainerRect();
if(currentMousePos.x() < 0 && currentMousePos.y() < 0){
container.setTopLeft(endPoint );
}else if(currentMousePos.x() < 0 && currentMousePos.y() >= 0){
container.setBottomLeft(endPoint );
}else if(currentMousePos.x() >= 0 && currentMousePos.y() < 0){
container.setTopRight(endPoint );
}else if(currentMousePos.x() >= 0 && currentMousePos.y() >= 0){
container.setBottomRight(endPoint );
}else{
container= QRectF(0, 0, 0, 0);
}
setContainerRect(container);
}
void QgsMapCanvasItem::setRect( const QgsRectangle& rect, bool resetRotation )
{
mRect = rect;
//updatePosition();
QRectF r; // empty rect by default
if ( !mRect.isEmpty() )
{
// rect encodes origin of the item (xMin,yMax from map to canvas units)
// and size (rect size / map units per pixel)
r.setTopLeft( toCanvasCoordinates( QPointF( mRect.xMinimum(), mRect.yMaximum() ) ) );
const QgsMapToPixel* m2p = mMapCanvas->getCoordinateTransform();
double res = m2p->mapUnitsPerPixel();
r.setSize( QSizeF( mRect.width() / res, mRect.height() / res ) );
}
// set position in canvas where the item will have coordinate (0,0)
prepareGeometryChange();
setPos( r.topLeft() );
mItemSize = QSizeF( r.width() + 2, r.height() + 2 );
if ( resetRotation )
{
mRectRotation = mMapCanvas->rotation();
setRotation( 0 );
}
// QgsDebugMsg(QString("[%1,%2]-[%3x%4]").arg((int) r.left()).arg((int) r.top()).arg((int) r.width()).arg((int) r.height()));
update();
}
void BlurItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
{
QGraphicsRectItem::mouseMoveEvent(event);
const QPointF pos = event->scenePos();
QRectF r;
r.setTopLeft(m_point);
r.setBottomRight(event->scenePos());
if (r.width() < 0) {
r.setLeft(pos.x());
r.setRight(m_point.x());
}
if (r.height() < 0) {
r.setTop(pos.y());
r.setBottom(m_point.y());
}
r = r.intersected(m_item->scene()->sceneRect());
setRect(r);
setSelected(true);
m_item->setOffset(r.topLeft());
reload(m_pixmap);
}
QRectF coils::boundingRect() const
{
QRectF rect;
rect.setTopLeft(QPointF(-15,-15));
rect.setBottomRight(QPointF(15,15));
return rect;
}
void ColorScaleWidget::paintColorScale(QPainter& painter, const QRect& rect) {
painter.setPen(Qt::NoPen);
map<float, Color> colorMap = colorScale->getColorMap();
if (colorScale->isGradient()) {
QPoint start;
QPoint stop;
if (orientation == Qt::Horizontal) {
start = QPoint(rect.left(), rect.center().y());
stop = QPoint(rect.right(), rect.center().y());
}
else {
start = QPoint(rect.center().x(), rect.bottom());
stop = QPoint(rect.center().x(), rect.top());
}
QLinearGradient qLinearGradient(start, stop);
for (map<float, Color>::iterator it = colorMap.begin(); it != colorMap.end(); ++it) {
qLinearGradient.setColorAt(it->first, QColor(it->second[0], it->second[1], it->second[2], it->second[3]));
}
painter.fillRect(rect, qLinearGradient);
}
else {
unsigned int nb = 0;
float rectWidth = ((float) rect.width()) / colorMap.size();
float rectHeight = ((float) rect.height()) / colorMap.size();
for (map<float, Color>::iterator it = colorMap.begin(); it != colorMap.end(); ++it) {
QRectF rectangle;
if (orientation == Qt::Horizontal) {
rectangle.setTopLeft(QPointF(rect.left() + nb * rectWidth, rect.top()));
rectangle.setSize(QSizeF(rectWidth, rect.height()));
}
else {
rectangle.setTopLeft(QPointF(rect.left(), rect.bottom() - (nb + 1) * rectHeight));
rectangle.setSize(QSizeF(rect.width(), rectHeight));
}
painter.fillRect(rectangle, QBrush(QColor(it->second[0], it->second[1], it->second[2], it->second[3])));
++nb;
}
}
}
//! \brief Return bounding rectangle arround a wireline
QRectF WireLine::boundingRect() const
{
QRectF rect;
rect.setTopLeft(p1());
rect.setBottomRight(p2());
rect = rect.normalized();
rect.adjust(-m_adjust, -m_adjust, +m_adjust, +m_adjust);
return rect;
}
QRectF PdfDocument::lineBoundingRect(int line_number) const {
QRectF rect;
rect.setTopLeft(m_lines[line_number-1]);
rect.setWidth(pageDim().width());
rect.setHeight(50);
rect.translate(0, -25);
qDebug() << "Line rectangle" << rect;
return rect;
}
void GraphDraw::drawSquare(QPointF pt, double w)
{
painter.setRenderHint(QPainter::Antialiasing, false);
QRectF rect;
rect.setTopLeft(pt + QPointF(-w,-w));
rect.setBottomRight(pt + QPointF(w,w));
painter.drawRect(rect);
}
QRectF UB1HEditableGraphicsSquareItem::rect() const
{
QRectF r;
r.setTopLeft(pos());
r.setWidth(wIsNeg ? -mSide : mSide);
r.setHeight(hIsNeg ? -mSide : mSide);
return r;
}
bool core::Connector::eventFilter(QObject *sender, QEvent *event)
{
// qDebug () << event->type();
if(event->type() == QEvent::MouseMove){
QMouseEvent *hEvent = (QMouseEvent*)event;
GraphicDetailedView *gdv = (GraphicDetailedView*)sender;
QPointF pos = mapFromScene(gdv->mapToScene(hEvent->pos()));
currentMousePos = pos;
// qDebug() << currentMousePos << "<< currentMousePos";
QRectF container = getContainerRect();
if(pos.x() < 0 && pos.y() < 0){
container.setTopLeft(pos);
container.setBottomRight(QPointF(0, 0));
}else if(pos.x() < 0 && pos.y() >= 0){
container.setBottomLeft(pos);
container.setTopRight(QPointF(0, 0));
}else if(pos.x() >= 0 && pos.y() < 0){
container.setTopRight(pos);
container.setBottomLeft(QPointF(0, 0));
}else if(pos.x() >= 0 && pos.y() >= 0){
container.setBottomRight(pos);
container.setTopLeft(QPointF(0, 0));
}else{
container= QRectF(0, 0, 0, 0);
}
setContainerRect(container);
if(isBuildingConector){
updateConectorLine(beginPoint, pos);
}
return true;
}
return GraphicObject::eventFilter(sender, event);
}
static QRectF buildReferenceRect( const PolarCoordinatePlane* plane )
{
QRectF contentsRect;
QPointF referencePointAtTop = plane->translate( QPointF( 1, 0 ) );
QPointF temp = plane->translate( QPointF( 0, 0 ) ) - referencePointAtTop;
const double offset = temp.y();
referencePointAtTop.setX( referencePointAtTop.x() - offset );
contentsRect.setTopLeft( referencePointAtTop );
contentsRect.setBottomRight( referencePointAtTop + QPointF( 2*offset, 2*offset) );
return contentsRect;
}
void AutoFindPath::onTimeout()
{
qreal x1 = tempPointF_.x();
qreal y1 = tempPointF_.y();
qreal x2 = toPointF_.x();
qreal y2 = toPointF_.y();
qreal xNegative = (x2 - x1) > 0 ? 1.0 : -1.0;
qreal yNegative = (y2 - y1) > 0 ? 1.0 : -1.0;
xNegative = 1.0;
yNegative = 1.0;
qreal fromDistance = qSqrt(qPow(x2-x1, 2) + qPow(y2-y1, 2));
qreal xdif = xNegative * pace_ * (x2 - x1) / fromDistance;
qreal ydif = yNegative * pace_ * (y2 - y1) / fromDistance;
qreal x3 = x1 + xdif;
qreal y3 = y1 + ydif;
qreal toDistance = qSqrt(qPow(x3-x2, 2) + qPow(y3-y2, 2));
// qDebug() << tempPointF_ << toPointF_<< xNegative << yNegative<<fromDistance<<toDistance<< xdif << ydif;
tempPointF_.setX(x3);
tempPointF_.setY(y3);
if (toDistance <= radius_) {
// qDebug() << "STOP!";
timer_.stop();
if (rolePathMap_.contains(role_)) {
rolePathMap_.remove(role_);
}
this->deleteLater();
}
qreal ration = qAtan2(ydif, xdif);
qreal degree = qRadiansToDegrees(ration);
// qDebug() << ration << degree;
role_->setRotation(degree + 90);
// setRotation(rotation() + dx);
role_->setPos(tempPointF_);
// role_->setEyeDirection();
// role_->update();
// QRectF rect = role_->mapRectToScene(role_->boundingRect());
QPointF pos = role_->mapToScene(role_->pos());
QRectF rect;
rect.setTopLeft(pos);
rect.setWidth(20);
rect.setHeight(20);
role_->scene()->invalidate();
}
QRectF UB1HEditableGraphicsCircleItem::rect() const
{
QRectF r;
r.setTopLeft(pos());
int rx = wIsNeg ? -mRadius : mRadius;
int ry = hIsNeg ? -mRadius : mRadius;
r.setWidth(rx*2);
r.setHeight(ry*2);
return r;
}
void GraphicsView::mouseMoveEvent(QMouseEvent* event)
{
if (m_dragging)
{
QRectF rect = sceneRect();
rect.setTopLeft(QPointF(m_xPrev - event->localPos().x() + rect.x(), m_yPrev - event->localPos().y() + rect.y()));
m_xPrev = event->localPos().x();
m_yPrev = event->localPos().y();
setSceneRect(rect);
emit sceneMoved();
}
QGraphicsView::mouseMoveEvent(event);
}
QRectF KoPatternBackground::patternRectFromFillSize(const QSizeF &size)
{
Q_D(KoPatternBackground);
QRectF rect;
switch (d->repeat) {
case Tiled:
rect.setTopLeft(d->offsetFromRect(QRectF(QPointF(), size), d->targetSize()));
rect.setSize(d->targetSize());
break;
case Original:
rect.setLeft(0.5 * (size.width() - d->targetSize().width()));
rect.setTop(0.5 * (size.height() - d->targetSize().height()));
rect.setSize(d->targetSize());
break;
case Stretched:
rect.setTopLeft(QPointF(0.0, 0.0));
rect.setSize(size);
break;
}
return rect;
}
void QNodeItem::setPos(const QPointF& Pos)
{
if (Pos == pos())
return;
QGraphicsEllipseItem::setPos(Pos);
QRectF EllipseRect;
EllipseRect.setTopLeft(QPointF(-m_Radius, -m_Radius));
EllipseRect.setWidth(2.0f * m_Radius);
EllipseRect.setHeight(2.0f * m_Radius);
setRect(EllipseRect);
}
void PrintTool::updateDragging(MapCoordF mouse_pos_map)
{
QPointF delta = QPointF(mouse_pos_map - click_pos_map);
QRectF area = map_printer->getPrintArea();
switch (region)
{
case Inside:
area.moveTopLeft(area.topLeft() + delta);
break;
case LeftBorder:
area.setLeft(area.left() + delta.rx());
break;
case TopLeftCorner:
area.setTopLeft(area.topLeft() + delta);
break;
case TopBorder:
area.setTop(area.top() + delta.ry());
break;
case TopRightCorner:
area.setTopRight(area.topRight() + delta);
break;
case RightBorder:
area.setRight(area.right() + delta.rx());
break;
case BottomRightCorner:
area.setBottomRight(area.bottomRight() + delta);
break;
case BottomBorder:
area.setBottom(area.bottom() + delta.ry());
break;
case BottomLeftCorner:
area.setBottomLeft(area.bottomLeft() + delta);
break;
case Outside:
Q_ASSERT(false); // Handled outside.
case Unknown:
; // Nothing
}
if (area.left() < area.right() && area.top() < area.bottom())
{
map_printer->setPrintArea(area);
click_pos_map = mouse_pos_map;
}
}
void ResizingGrip::mouseMoveEvent(QGraphicsSceneMouseEvent* event)
{
// ==========================================================================================
// VERSION 1: Resize AreaItem and then move it to 0,0
// ==========================================================================================
QRectF resizableZone = _areaItem->getRect().translated(_areaItem->scenePos());
QPointF scenePos = event->scenePos();
switch(_position)
{
case TOPLEFT:
resizableZone.setTopLeft(scenePos);
break;
case TOPCENTER:
resizableZone.setTop(scenePos.y());
break;
case TOPRIGHT:
resizableZone.setTopRight(scenePos);
break;
case LEFTCENTER:
resizableZone.setLeft(scenePos.x());
break;
case RIGHTCENTER:
resizableZone.setRight(scenePos.x());
break;
case BOTTOMLEFT:
resizableZone.setBottomLeft(scenePos);
break;
case BOTTOMCENTER:
resizableZone.setBottom(scenePos.y());
break;
case BOTTOMRIGHT:
resizableZone.setBottomRight(scenePos);
break;
default:
Q_ASSERT(false);
}
//resizableZone.moveTopLeft(QPointF(0, 0));
_areaItem->updateMainDiagram(resizableZone);
event->accept();
}
void PdfThumbProvider::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, ThumbWidget *widget)
{
if ( widget && painter ) {
int pageIndex = widget->getPageIndex();
QRectF expsRect = option->exposedRect;
expsRect.setTopLeft(QPointF(0,0));
if ((!painter->clipRegion().isEmpty()) && (!painter->clipRegion().contains(expsRect.toRect()))) {
return;
}
qreal thumbWidth = widget->style()->preferredSize().width();
QPixmap thumbnail;
if ( !QPixmapCache::find(widget->key(), &thumbnail) ) {
qreal pageWidth = data->loader->pageSize(pageIndex).width();
qreal scale = PdfLoader::DPIPerInch * (thumbWidth / pageWidth);
qDebug() << __PRETTY_FUNCTION__ << "getThumbnail";
QImage thumb = data->loader->getThumbnail(pageIndex, scale);
if (thumb.isNull()) {
widget->startSpinner(expsRect.center());
return;
}
thumbnail = QPixmap::fromImage(thumb.scaledToWidth(thumbWidth));
m_lastThumbanailSize = QSizeF(thumbnail.size());
widget->setKey(QPixmapCache::insert(thumbnail));
painter->drawPixmap(QPointF(0,0), thumbnail, expsRect);
widget->stopSpinner();
} else {
if (thumbnail.width() != thumbWidth) {
qDebug() << "Thumbnail is scaled to Thumbnail widget ";
thumbnail = thumbnail.scaledToWidth(thumbWidth);
QPixmapCache::replace(widget->key(), thumbnail);
m_lastThumbanailSize = QSizeF(thumbnail.size());
}
painter->drawPixmap(QPointF(0,0), thumbnail, expsRect);
}
if (m_lastThumbanailSize.height() > 0) {
widget->setSize(m_lastThumbanailSize, 2);
}
}
}
QRectF RelationshipView::__boundingRect(void)
{
float x1=0, y1=0, x2=0, y2=0;
unsigned i, count;
QPointF p;
QRectF rect;
vector<QPointF> points=dynamic_cast<BaseRelationship *>(this->getSourceObject())->getPoints();
//The reference size will be the relationship descriptor dimension
x1=descriptor->pos().x();
y1=descriptor->pos().y();
x2=descriptor->pos().x() + descriptor->boundingRect().width();
y2=descriptor->pos().y() + descriptor->boundingRect().height();
//Checks if some point is out of reference dimension
count=points.size();
for(i=0; i < count; i++)
{
p=points[i];
if(x1 > p.x()) x1=p.x() - GRAPHIC_PNT_RADIUS;
if(y1 > p.y()) y1=p.y() - GRAPHIC_PNT_RADIUS;
if(x2 < p.x()) x2=p.x() + GRAPHIC_PNT_RADIUS;
if(y2 < p.y()) y2=p.y() + GRAPHIC_PNT_RADIUS;
}
//Checks if some label is out of reference dimension
for(i=0; i < 3; i++)
{
if(labels[i])
{
rect.setTopLeft(labels[i]->scenePos());
rect.setSize(labels[i]->boundingRect().size());
if(x1 > rect.left()) x1=rect.left();
if(y1 > rect.top()) y1=rect.top();
if(x2 < rect.right()) x2=rect.right();
if(y2 < rect.bottom()) y2=rect.bottom();
}
}
return(QRectF(x1, y1, x2, y2));
}
//-----------------------------------------------------------
QRectF OGRelacionamento::__boundingRect(void)
{
float x1=0, y1=0, x2=0, y2=0;
unsigned i, qtd;
QPointF p;
QRectF ret;
vector<QPointF> pontos=dynamic_cast<RelacionamentoBase *>(this->obterObjetoOrigem())->obterPontos();
//O tamanho de referência será o do descritor
x1=descritor->pos().x();
y1=descritor->pos().y();
x2=descritor->pos().x() + descritor->boundingRect().width();
y2=descritor->pos().y() + descritor->boundingRect().height();
//Verifica se algum dos pontos extrapola a dimensão de referência
qtd=pontos.size();
for(i=0; i < qtd; i++)
{
p=pontos[i];
if(x1 > p.x()) x1=p.x() - RAIO_PNT_GRAFICO;
if(y1 > p.y()) y1=p.y() - RAIO_PNT_GRAFICO;
if(x2 < p.x()) x2=p.x() + RAIO_PNT_GRAFICO;
if(y2 < p.y()) y2=p.y() + RAIO_PNT_GRAFICO;
}
//Verifica se a dimensão de um dos rótulos extrapola a dimensão de referência
for(i=0; i < 3; i++)
{
if(rotulos[i])
{
ret.setTopLeft(rotulos[i]->scenePos());
ret.setSize(rotulos[i]->boundingRect().size());
if(x1 > ret.left()) x1=ret.left();
if(y1 > ret.top()) y1=ret.top();
if(x2 < ret.right()) x2=ret.right();
if(y2 < ret.bottom()) y2=ret.bottom();
}
}
return(QRectF(x1, y1, x2, y2));
}
QRectF CPcbSegment::boundingRect() const
{
CPcbSegment* me=(CPcbSegment*)this;
QRectF rect;
if ( me->drawable() )
{
me->setZValue(me->layerIndex());
rect = me->shape().boundingRect();
}
else
{
if ( me->pcb() != NULL && me->pcb()->structure() != NULL && me->pcb()->structure()->boundary() != NULL )
{
QPointF topLeft = me->pcb()->structure()->boundary()->boundingRect().topLeft();
rect.setTopLeft(topLeft);
rect.setWidth(0);
rect.setHeight(0);
}
}
return rect;
}
void QgsMapCanvasItem::setRect( const QgsRectangle& rect )
{
mRect = rect;
//updatePosition();
QRectF r; // empty rect by default
if ( !mRect.isEmpty() )
{
r.setTopLeft( toCanvasCoordinates( QgsPoint( mRect.xMinimum(), mRect.yMinimum() ) ) );
r.setBottomRight( toCanvasCoordinates( QgsPoint( mRect.xMaximum(), mRect.yMaximum() ) ) );
r = r.normalized();
}
// set position in canvas where the item will have coordinate (0,0)
prepareGeometryChange();
setPos( r.topLeft() );
mItemSize = QSizeF( r.width() + 2, r.height() + 2 );
// QgsDebugMsg(QString("[%1,%2]-[%3x%4]").arg((int) r.left()).arg((int) r.top()).arg((int) r.width()).arg((int) r.height()));
update();
}
int QgsComposition::boundingRectOfSelectedItems( QRectF& bRect )
{
QList<QgsComposerItem*> selectedItems = selectedComposerItems();
if ( selectedItems.size() < 1 )
{
return 1;
}
//set the box to the first item
QgsComposerItem* currentItem = selectedItems.at( 0 );
double minX = currentItem->transform().dx();
double minY = currentItem->transform().dy();
double maxX = minX + currentItem->rect().width();
double maxY = minY + currentItem->rect().height();
double currentMinX, currentMinY, currentMaxX, currentMaxY;
for ( int i = 1; i < selectedItems.size(); ++i )
{
currentItem = selectedItems.at( i );
currentMinX = currentItem->transform().dx();
currentMinY = currentItem->transform().dy();
currentMaxX = currentMinX + currentItem->rect().width();
currentMaxY = currentMinY + currentItem->rect().height();
if ( currentMinX < minX )
minX = currentMinX;
if ( currentMaxX > maxX )
maxX = currentMaxX;
if ( currentMinY < minY )
minY = currentMinY;
if ( currentMaxY > maxY )
maxY = currentMaxY;
}
bRect.setTopLeft( QPointF( minX, minY ) );
bRect.setBottomRight( QPointF( maxX, maxY ) );
return 0;
}
void QReportPage::paint(QPainter *painter, const QStyleOptionGraphicsItem*, QWidget*)
{
QPen penPage(Qt::black, 0, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin);
QBrush brushPage(Qt::white);
painter->setBrush(brushPage);
painter->setPen(penPage);
QRectF rc = this->rect();
// draw page frame
painter->fillRect(rc, Qt::white);
painter->drawRect(rc);
// set margins
rc.setTopLeft(QPoint(_marginLeft, _marginTop));
rc.setWidth(rc.width() - _marginRight);
rc.setHeight(rc.height() - _marginBottom);
if (_gridType == ::DotGrid)
for (int i = rc.left(); i <= rc.right(); i = i + _gridSize)
for (int j = rc.top(); j <= rc.bottom(); j = j + _gridSize)
painter->drawPoint(i, j);
if (_gridType == ::LinesGrid) {
painter->setPen(QPen(Qt::lightGray));
for (int i = rc.left(); i <= rc.right(); i = i + _gridSize)
painter->drawLine(i, rc.top(), i, rc.bottom());
for (int j = rc.top(); j <= rc.bottom(); j = j + _gridSize)
painter->drawLine(rc.left(), j, rc.right(), j);
}//if
// draw inside margins
painter->setBrush(Qt::NoBrush);
painter->setPen(QPen(QColor(180, 190, 220)));
painter->drawRect(rc);
}
void ColorWheel::resizeEvent(QResizeEvent* event) {
// update wheel region
QSize size(event->size());
int diameter = qMin(size.width(), size.height());
wheelRegion_ = QRegion(diameter/2, diameter/2, diameter-2*margin_, diameter-2*margin_, QRegion::Ellipse);
wheelRegion_.translate(-(diameter-2*margin_)/2, -(diameter-2*margin_)/2);
int tmp = 2*(margin_+wheelWidth_);
QRegion subRe(diameter/2, diameter/2, diameter-tmp, diameter-tmp, QRegion::Ellipse);
subRe.translate(-(diameter-tmp)/2, -(diameter-tmp)/2);
wheelRegion_ -= subRe;
// update square region
int w = qMin(width(), height());
qreal r = w/2.0 - margin_; // radius of outer circle
qreal ir = r - wheelWidth_; // radius of inner circle
qreal m = w/2.0 - ir/std::sqrt(2.0); // left corner of square
QRectF rect;
rect.setTopLeft(QPointF(m, m));
rect.setWidth(2.0 * ir / std::sqrt(2.0));
rect.setHeight(2.0 * ir / std::sqrt(2.0));
squareRegion_ = QRegion(rect.toRect());
}
void ExampleView::setDropTarget(const Element* el)
{
if (dropTarget != el) {
if (dropTarget) {
dropTarget->setDropTarget(false);
dropTarget = 0;
}
dropTarget = el;
if (dropTarget) {
dropTarget->setDropTarget(true);
}
}
if (!dropAnchor.isNull()) {
QRectF r;
r.setTopLeft(dropAnchor.p1());
r.setBottomRight(dropAnchor.p2());
dropAnchor = QLineF();
}
if (dropRectangle.isValid()) {
dropRectangle = QRectF();
}
update();
}