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#include "layoutitem.h"
LayoutItem::LayoutItem(QGraphicsItem *parent<span class="comment">/* = 0*/</span>)
: QGraphicsLayoutItem(), QGraphicsItem(parent)
{
m_pix = new QPixmap(QLatin1String(":/images/block.png"));
setGraphicsItem(this);
}
LayoutItem::~LayoutItem()
{
delete m_pix;
}
void LayoutItem::paint(QPainter *painter,
const QStyleOptionGraphicsItem *option, QWidget *widget <span class="comment">/*= 0*/</span>)
{
Q_UNUSED(widget);
Q_UNUSED(option);
QRectF frame(QPointF(0,0), geometry().size());
qreal w = m_pix->width();
qreal h = m_pix->height();
QGradientStops stops;
<span class="comment">// paint a background rect (with gradient)</span>
QLinearGradient gradient(frame.topLeft(), frame.topLeft() + QPointF(200,200));
stops << QGradientStop(0.0, QColor(60, 60, 60));
stops << QGradientStop(frame.height()/2/frame.height(), QColor(102, 176, 54));
<span class="comment">//stops << QGradientStop(((frame.height() + h)/2 )/frame.height(), QColor(157, 195, 55));</span>
stops << QGradientStop(1.0, QColor(215, 215, 215));
gradient.setStops(stops);
painter->setBrush(QBrush(gradient));
painter->drawRoundedRect(frame, 10.0, 10.0);
<span class="comment">// paint a rect around the pixmap (with gradient)</span>
QPointF pixpos = frame.center() - (QPointF(w, h)/2);
QRectF innerFrame(pixpos, QSizeF(w, h));
innerFrame.adjust(-4, -4, +4, +4);
gradient.setStart(innerFrame.topLeft());
gradient.setFinalStop(innerFrame.bottomRight());
stops.clear();
stops << QGradientStop(0.0, QColor(215, 255, 200));
stops << QGradientStop(0.5, QColor(102, 176, 54));
stops << QGradientStop(1.0, QColor(0, 0, 0));
gradient.setStops(stops);
painter->setBrush(QBrush(gradient));
painter->drawRoundedRect(innerFrame, 10.0, 10.0);
painter->drawPixmap(pixpos, *m_pix);
}
QRectF LayoutItem::boundingRect() const
{
return QRectF(QPointF(0,0), geometry().size());
}
void LayoutItem::setGeometry(const QRectF &geom)
{
prepareGeometryChange();
QGraphicsLayoutItem::setGeometry(geom);
setPos(geom.topLeft());
}
QSizeF LayoutItem::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const
{
switch (which) {
case Qt::MinimumSize:
case Qt::PreferredSize:
<span class="comment">// Do not allow a size smaller than the pixmap with two frames around it.</span>
return m_pix->size() + QSize(12, 12);
case Qt::MaximumSize:
return QSizeF(1000,1000);
default:
break;
}
return constraint;
}</pre>
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