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/*
* Copyright (c) 2012 Tobias Markmann
* Licensed under the simplified BSD license.
* See Documentation/Licenses/BSD-simplified.txt for more information.
*/
#include "QtCloseButton.h"
#include <QMouseEvent>
#include <QPainter>
#include <QStyle>
#include <QStyleOption>
namespace Swift {
QtCloseButton::QtCloseButton(QWidget *parent) : QAbstractButton(parent) {
lightPixmap = QPixmap(12,12);
lightPixmap.fill(QColor(0,0,0,0));
QStyleOption opt;
opt.init(this);
opt.state = QStyle::State(0);
opt.state |= QStyle::State_MouseOver;
QPainter lightPixmapPainter(&lightPixmap);
style()->drawPrimitive(QStyle::PE_IndicatorTabClose, &opt, &lightPixmapPainter);
darkPixmap = QPixmap(12,12);
darkPixmap.fill(QColor(0,0,0,0));
opt.init(this);
opt.state = QStyle::State(0);
QPainter darkPixmapPainter(&darkPixmap);
style()->drawPrimitive(QStyle::PE_IndicatorTabClose, &opt, &darkPixmapPainter);
}
QSize QtCloseButton::sizeHint() const {
return QSize(width(), height());
}
bool QtCloseButton::event(QEvent *e) {
if (e->type() == QEvent::Enter || e->type() == QEvent::Leave) {
update();
}
return QAbstractButton::event(e);
}
void QtCloseButton::paintEvent(QPaintEvent *) {
QPainter painter(this);
painter.setRenderHint(QPainter::HighQualityAntialiasing);
if (underMouse()) {
painter.drawPixmap(0, 0, height(), height(), darkPixmap);
} else {
painter.drawPixmap(0, 0, height(), height(), lightPixmap);
}
}
}
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Swift