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Scatter series documentation; now uses snippets
Scatter series documentation; now uses snippets

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bar.cpp
84 lines | 1.5 KiB | text/x-c | CppLexer
#include "bar_p.h"
#include <QDebug>
#include <QPainter>
#include <QGraphicsSceneEvent>
QTCOMMERCIALCHART_BEGIN_NAMESPACE
Bar::Bar(QGraphicsItem *parent)
: QGraphicsObject(parent)
{
setAcceptedMouseButtons(Qt::LeftButton);
setAcceptHoverEvents(true);
}
void Bar::setSize(const QSizeF& size)
{
mWidth = size.width();
mHeight = size.height();
}
void Bar::resize( qreal w, qreal h )
{
mWidth = w;
mHeight = h;
}
void Bar::setPos(qreal x, qreal y)
{
mXpos = x;
mYpos = y;
}
void Bar::setPen(QPen pen)
{
mPen = pen;
}
void Bar::setBrush(QBrush brush)
{
mBrush = brush;
}
void Bar::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
if (0 == mHeight) {
return;
}
painter->setBrush(mBrush);
// This compensates for rounding errors. drawRect takes ints and cumulative error of pos + size may be over 1.
int x0 = mXpos;
int x1 = (mXpos + mWidth);
int w = x1-x0;
int y0 = mYpos;
int y1 = (mYpos + mHeight);
int h = y1-y0;
painter->drawRect(x0, y0 ,w ,h);
}
QRectF Bar::boundingRect() const
{
QRectF r(mXpos, mYpos, mWidth, mHeight);
return r;
}
void Bar::mousePressEvent(QGraphicsSceneMouseEvent* /*event*/)
{
emit clicked();
}
void Bar::hoverEnterEvent(QGraphicsSceneHoverEvent* event)
{
emit hoverEntered(event->lastScreenPos());
}
void Bar::hoverLeaveEvent(QGraphicsSceneHoverEvent* /*event*/)
{
emit hoverLeaved();
}
#include "moc_bar_p.cpp"
QTCOMMERCIALCHART_END_NAMESPACE