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125 lines
3.2 KiB
125 lines
3.2 KiB
/* |
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* Copyright (C) 2007 Petri Damsten <damu@iki.fi> |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU Library General Public License as |
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* published by the Free Software Foundation; either version 2, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details |
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* |
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* You should have received a copy of the GNU Library General Public |
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* License along with this program; if not, write to the |
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* Free Software Foundation, Inc., |
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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*/ |
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#include "monitorbutton.h" |
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#include <QIcon> |
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#include <QPainter> |
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#include <QTimeLine> |
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#include <QDebug> |
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#include <KIcon> |
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#include <KPushButton> |
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#include <Plasma/PaintUtils> |
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#define MARGIN 2 |
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class MonitorButton::Private |
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{ |
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public: |
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Private() : imageSize(32, 32) |
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{ |
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} |
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QSize imageSize; |
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QString image; |
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KIcon icon; |
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QTimeLine highlighter; |
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}; |
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MonitorButton::MonitorButton(QGraphicsWidget *parent) : |
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Plasma::PushButton(parent), |
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d(new Private) |
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{ |
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setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed); |
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setPreferredSize(d->imageSize.width() + 2 * MARGIN, d->imageSize.height() + 2 * MARGIN); |
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d->highlighter.setDuration(100); |
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d->highlighter.setFrameRange(0, 10); |
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d->highlighter.setCurveShape(QTimeLine::EaseInCurve); |
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connect(&d->highlighter, SIGNAL(valueChanged(qreal)), this, SLOT(highlight())); |
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} |
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MonitorButton::~MonitorButton() |
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{ |
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delete d; |
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} |
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QString MonitorButton::image() const |
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{ |
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return d->image; |
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} |
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void MonitorButton::setImage(const QString &image) |
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{ |
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d->image = image; |
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d->icon = KIcon(image); |
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update(); |
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} |
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void MonitorButton::highlight() |
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{ |
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update(); |
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} |
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void MonitorButton::hoverEnterEvent(QGraphicsSceneHoverEvent * event) |
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{ |
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Q_UNUSED(event) |
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d->highlighter.setDirection(QTimeLine::Forward); |
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if (d->highlighter.currentValue() < 1 && |
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d->highlighter.state() == QTimeLine::NotRunning) { |
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d->highlighter.start(); |
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} |
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} |
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void MonitorButton::hoverLeaveEvent(QGraphicsSceneHoverEvent * event) |
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{ |
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Q_UNUSED(event) |
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d->highlighter.setDirection(QTimeLine::Backward); |
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if (d->highlighter.currentValue() > 0 && |
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d->highlighter.state() == QTimeLine::NotRunning) { |
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d->highlighter.start(); |
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} |
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} |
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void MonitorButton::paint(QPainter *p, |
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const QStyleOptionGraphicsItem *option, |
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QWidget *widget) |
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{ |
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Q_UNUSED(option) |
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Q_UNUSED(widget) |
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QIcon::Mode mode = QIcon::Disabled; |
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if (isChecked()) { |
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mode = QIcon::Normal; |
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} |
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QPixmap icon = Plasma::PaintUtils::transition(d->icon.pixmap(d->imageSize, QIcon::Disabled), |
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d->icon.pixmap(d->imageSize, QIcon::Normal), |
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isChecked() ? 1 : d->highlighter.currentValue()); |
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p->drawPixmap(QPointF((size().width() - d->imageSize.width()) / 2, |
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(size().height() - d->imageSize.height()) / 2), |
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icon); |
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} |
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