83 lines
1.5 KiB
C++
83 lines
1.5 KiB
C++
#include "checkable_internal.h"
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#include <QPainter>
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#include <QGraphicsColorizeEffect>
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CheckableIcon::CheckableIcon(const QIcon &icon, QWidget *parent)
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: QWidget(parent),
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_effect(new QGraphicsColorizeEffect),
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_icon(icon),
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_iconSize(24),
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_opacity(1.0)
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{
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setAttribute(Qt::WA_TransparentForMouseEvents);
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setGraphicsEffect(_effect);
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}
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CheckableIcon::~CheckableIcon()
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{
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}
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void CheckableIcon::setColor(const QColor &color)
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{
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if (_effect->color() == color)
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return;
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_effect->setColor(color);
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update();
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}
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QColor CheckableIcon::color() const
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{
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return _effect->color();
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}
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void CheckableIcon::setIconSize(qreal size)
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{
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_iconSize = size;
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update();
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}
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qreal CheckableIcon::iconSize() const
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{
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return _iconSize;
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}
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void CheckableIcon::setOpacity(qreal opacity)
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{
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_opacity = opacity;
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update();
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}
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qreal CheckableIcon::opacity() const
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{
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return _opacity;
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}
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void CheckableIcon::paintEvent(QPaintEvent *event)
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{
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Q_UNUSED(event)
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#ifdef DEBUG_LAYOUT
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QPainter debug(this);
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debug.drawRect(rect().adjusted(0, 0, -1, -1));
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#endif
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if (0 == _iconSize)
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return;
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QPainter painter(this);
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painter.setRenderHint(QPainter::Antialiasing);
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painter.setOpacity(_opacity);
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const qreal p = static_cast<qreal>((height())-_iconSize)/2;
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const qreal z = _iconSize/24;
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QTransform t;
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t.translate(p, p);
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t.scale(z, z);
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painter.setTransform(t);
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_icon.paint(&painter, QRect(0, 0, 24, 24));
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}
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