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66 lines
1.4 KiB
C++
66 lines
1.4 KiB
C++
#include <QPainter>
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#include "config.h"
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#include "sliderinfoitem.h"
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#define SIZE 5
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SliderInfoItem::SliderInfoItem(QGraphicsItem *parent) : QGraphicsItem(parent)
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{
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_side = Right;
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}
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void SliderInfoItem::updateBoundingRect()
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{
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QFont font;
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font.setPixelSize(FONT_SIZE);
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font.setFamily(FONT_FAMILY);
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QFontMetrics fm(font);
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_boundingRect = (_side == Right)
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? QRectF(-SIZE/2, 0, fm.width(_text) + SIZE, fm.height())
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: QRectF(-(fm.width(_text) + SIZE/2), 0, fm.width(_text) + SIZE,
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fm.height());
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}
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void SliderInfoItem::paint(QPainter *painter, const QStyleOptionGraphicsItem
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*option, QWidget *widget)
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{
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Q_UNUSED(option);
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Q_UNUSED(widget);
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QFont font;
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font.setPixelSize(FONT_SIZE);
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font.setFamily(FONT_FAMILY);
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QFontMetrics fm(font);
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painter->setFont(font);
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painter->setRenderHint(QPainter::Antialiasing, false);
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painter->setPen(Qt::red);
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if (_side == Right)
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painter->drawText(SIZE, fm.height() - fm.descent(), _text);
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else
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painter->drawText(-(fm.width(_text) + SIZE/2),
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fm.height() - fm.descent(), _text);
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painter->drawLine(QPointF(-SIZE/2, 0), QPointF(SIZE/2, 0));
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//painter->drawRect(boundingRect());
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}
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void SliderInfoItem::setText(const QString &text)
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{
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prepareGeometryChange();
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_text = text;
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updateBoundingRect();
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}
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void SliderInfoItem::setSide(Side side)
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{
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if (side == _side)
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return;
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prepareGeometryChange();
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_side = side;
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updateBoundingRect();
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}
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