void SquareRootElement::layout( const AttributeManager* am )
{
RowElement::layout( am );
qreal thinSpace = am->layoutSpacing( this );
qreal symbolHeight = baseLine();
if( height() > symbolHeight*1.3 ) symbolHeight = height();
symbolHeight += thinSpace;
qreal tickWidth = symbolHeight / 3.0;
m_lineThickness = am->lineThickness(this);
// Set the sqrt dimensions
QPointF childOffset( tickWidth + thinSpace, thinSpace + m_lineThickness );
setWidth( width() + childOffset.x());
setHeight( height() + childOffset.y());
setBaseLine( baseLine() + childOffset.y());
// Adapt the children's positions to the new offset
foreach( BasicElement* element, childElements() )
element->setOrigin( element->origin() + childOffset );
QRectF rect = childrenBoundingRect();
rect.translate(childOffset);
setChildrenBoundingRect(rect);
// Draw the sqrt symbol into a QPainterPath as buffer
m_rootSymbol = QPainterPath();
m_rootSymbol.moveTo( m_lineThickness, 2.0 * symbolHeight / 3.0 );
m_rootSymbol.lineTo( 0 + tickWidth/2.0, symbolHeight-m_lineThickness/2 );
m_rootSymbol.lineTo( 0 + tickWidth, m_lineThickness/2 );
m_rootSymbol.lineTo( width() - m_lineThickness/2, m_lineThickness/2 );
}
void ToolBoxGraphicsItem::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget)
{
painter->save();
painter->setPen(Qt::NoPen);
painter->setBrush(QBrush(QColor(0xFF, 0xE2, 0x82)));
painter->drawRect(childrenBoundingRect());
painter->restore();
QGraphicsItemGroup::paint(painter, option, widget);
}
GraphicsKeyboardItem::GraphicsKeyboardItem(unsigned char channel_, QGraphicsItem *parent) :
QGraphicsRectItem(parent),
channel(channel_),
activeKey(0)
{
QSizeF whiteKeySize(20, 100);
// create keys:
for (int i = 0; i < 128; i++) {
keys.append(new GraphicsKeyItem(i, whiteKeySize, this));
}
setRect(childrenBoundingRect());
setBrush(QBrush(Qt::white));
}
void UBGraphicsGroupContainerItem::removeFromGroup(QGraphicsItem *item)
{
if (!item) {
qWarning("QGraphicsItemGroup::removeFromGroup: cannot remove null item");
return;
}
QGraphicsItem *newParent = parentItem();
// COMBINE
bool ok;
QTransform itemTransform;
if (newParent)
itemTransform = item->itemTransform(newParent, &ok);
else
itemTransform = item->sceneTransform();
QPointF oldPos = item->mapToItem(newParent, 0, 0);
item->setParentItem(newParent);
item->setPos(oldPos);
// removing position from translation component of the new transform
if (!item->pos().isNull())
itemTransform *= QTransform::fromTranslate(-item->x(), -item->y());
// removing additional transformations properties applied
// with itemTransform() or sceneTransform()
QPointF origin = item->transformOriginPoint();
QMatrix4x4 m;
QList<QGraphicsTransform*> transformList = item->transformations();
for (int i = 0; i < transformList.size(); ++i)
transformList.at(i)->applyTo(&m);
itemTransform *= m.toTransform().inverted();
itemTransform.translate(origin.x(), origin.y());
itemTransform.rotate(-item->rotation());
itemTransform.scale(1 / item->scale(), 1 / item->scale());
itemTransform.translate(-origin.x(), -origin.y());
// ### Expensive, we could maybe use dirtySceneTransform bit for optimization
item->setTransform(itemTransform);
// item->d_func()->setIsMemberOfGroup(item->group() != 0);
// ### Quite expensive. But removeFromGroup() isn't called very often.
prepareGeometryChange();
itemsBoundingRect = childrenBoundingRect();
}
QRectF LiveLayerItem::boundingRect() const
{
return childrenBoundingRect();
}
QRectF AnnotationItem::boundingRect() const
{
return childrenBoundingRect();
}
QRectF AlignButtonsItem::boundingRect() const
{
return childrenBoundingRect();
}
QRectF StickMan::boundingRect() const
{
// account for head radius=50.0 plus pen which is 5.0
return childrenBoundingRect().adjusted(-55.0, -55.0, 55.0, 55.0);
}
QRectF ActiveGraphicsItem::boundingRect() const
{
return childrenBoundingRect();
}
QRectF BoundaryItem::boundingRect() const
{
return childrenBoundingRect();
}
/*!
* \brief Module::boundingRect
* \return the bounding rectangle for the module
*/
QRectF Module::boundingRect() const {
return rect().united(childrenBoundingRect());
}
QRectF HelpItem::boundingRect() const
{
QRectF r = childrenBoundingRect ().adjusted(-12, -12, 12, 12);
r.moveCenter(QPointF());
return r;
}
QRectF boundingRect() const override
{
return childrenBoundingRect();
}
QRectF ArrowItem::boundingRect() const
{
return childrenBoundingRect();
}
QRectF
dmz::QtCanvasObject::boundingRect () const {
return childrenBoundingRect ();
}