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/***************************************************************************
* *
* This file is part of the Fotowall project, *
* http://www.enricoros.com/opensource/fotowall *
* *
* Copyright (C) 2009 by Enrico Ros <enrico.ros@gmail.com> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include "BlinkingToolButton.h"
#include <QApplication>
#include <QPalette>
#include <QPainter>
#include <QStyle>
#include <QVariant>
#if QT_VERSION >= 0x040600
#include <QPropertyAnimation>
#define ANIMATE_PARAM(object, propName, duration, endValue) \
{QPropertyAnimation * ani = new QPropertyAnimation(object, propName, object); \
ani->setEasingCurve(QEasingCurve::Linear); \
ani->setDuration(duration); \
ani->setEndValue(endValue); \
ani->start(QPropertyAnimation::DeleteWhenStopped);}
#else
#define ANIMATE_PARAM(instance, propName, duration, endValue) \
instance->setProperty(propName, endValue);
#endif
BlinkingToolButton::BlinkingToolButton(QWidget * parent)
: QToolButton(parent)
, m_palette(palette())
, m_markPixmap(style()->standardIcon(QStyle::SP_MessageBoxWarning).pixmap(16, 16))
, m_markOpacity(0)
{
connect(this, SIGNAL(clicked()), this, SLOT(clearAttenction()));
}
void BlinkingToolButton::drawAttenction()
{
setMarkOpacity(1.0);
#if 0
ANIMATE_PARAM(this, "backColor", 1000, QColor(255, 20, 20));
ANIMATE_PARAM(this, "textColor", 1000, QColor(255, 255, 255));
#else
ANIMATE_PARAM(this, "backColor", 1000, QApplication::palette().color(QPalette::Highlight));
ANIMATE_PARAM(this, "textColor", 1000, QApplication::palette().color(QPalette::HighlightedText));
#endif
}
void BlinkingToolButton::clearAttenction()
{
setMarkOpacity(0.0);
ANIMATE_PARAM(this, "backColor", 200, QApplication::palette().color(QPalette::Button));
ANIMATE_PARAM(this, "textColor", 200, QApplication::palette().color(QPalette::ButtonText));
}
void BlinkingToolButton::paintEvent(QPaintEvent * event)
{
// unbreak painting
QToolButton::paintEvent(event);
// draw mark
if (m_markOpacity > 0.0 && !m_markPixmap.isNull()) {
QPainter p(this);
if (m_markOpacity < 1.0)
p.setOpacity(m_markOpacity);
p.drawPixmap(width() - m_markPixmap.width(), 0, m_markPixmap);
}
}
QSize BlinkingToolButton::sizeHint() const
{
QSize s = QToolButton::sizeHint();
if (s.isValid() && !m_markPixmap.isNull())
s.rwidth() += m_markPixmap.width();
return s;
}
QColor BlinkingToolButton::backColor() const
{
return m_palette.color(QPalette::Button);
}
void BlinkingToolButton::setBackColor(const QColor & color)
{
if (color != m_palette.color(QPalette::Button)) {
m_palette.setColor(QPalette::Button, color);
setPalette(m_palette);
update();
}
}
QColor BlinkingToolButton::textColor() const
{
return m_palette.color(QPalette::ButtonText);
}
void BlinkingToolButton::setTextColor(const QColor & color)
{
if (color != m_palette.color(QPalette::ButtonText)) {
m_palette.setColor(QPalette::ButtonText, color);
setPalette(m_palette);
update();
}
}
qreal BlinkingToolButton::markOpacity() const
{
return m_markOpacity;
}
void BlinkingToolButton::setMarkOpacity(qreal opacity)
{
if (opacity != m_markOpacity) {
m_markOpacity = opacity;
update();
}
}
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