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Added slider info

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This commit is contained in:
Martin Tůma
2015-10-17 01:33:02 +02:00
parent da81839529
commit c21ef0b587
20 changed files with 127 additions and 25 deletions
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46
src/sliderinfoitem.cpp Normal file
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#include <QPainter>
#include "config.h"
#include "sliderinfoitem.h"
#define SIZE 5
SliderInfoItem::SliderInfoItem(QGraphicsItem *parent) : QGraphicsItem(parent)
{
}
void SliderInfoItem::updateBoundingRect()
{
QFont font;
font.setPixelSize(FONT_SIZE);
font.setFamily(FONT_FAMILY);
QFontMetrics fm(font);
_boundingRect = QRectF(-SIZE/2, -SIZE/2, fm.width(_text) + SIZE, fm.height());
}
void SliderInfoItem::paint(QPainter *painter, const QStyleOptionGraphicsItem
*option, QWidget *widget)
{
Q_UNUSED(option);
Q_UNUSED(widget);
QFont font;
font.setPixelSize(FONT_SIZE);
font.setFamily(FONT_FAMILY);
QFontMetrics fm(font);
painter->setFont(font);
painter->setPen(Qt::red);
painter->drawText(SIZE, fm.height() - fm.descent(), _text);
painter->fillRect(QRect(-SIZE/2, -SIZE/2, SIZE, SIZE), Qt::red);
// painter->drawRect(boundingRect());
}
void SliderInfoItem::setText(const QString &text)
{
_text = text;
updateBoundingRect();
prepareGeometryChange();
}