191 lines
4.2 KiB
C++
191 lines
4.2 KiB
C++
/*
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* Copyright (C) 2007 by André Duffeck <andre@duffeck.de>
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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 version 2 as
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* published by the Free Software Foundation
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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 Stre
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* et, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "flash.h"
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#include <QtCore/QString>
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#include <QtCore/QTimeLine>
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#include <QtCore/QTimer>
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#include <QtGui/QPainter>
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#include <QtGui/QPixmap>
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#include <QtGui/QColor>
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#include <KDebug>
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#include <plasma/phase.h>
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using namespace Plasma;
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class Flash::Private
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{
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public:
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enum FlashType { Text, Pixmap };
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Private() { }
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~Private() { }
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int height;
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int width;
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QString text;
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QColor color;
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QFont font;
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QPixmap pixmap;
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int duration;
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int defaultDuration;
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FlashType type;
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Plasma::Phase::AnimId animId;
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QPixmap renderedPixmap;
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};
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Flash::Flash(QGraphicsItem *parent)
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: QObject(),
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QGraphicsItem(parent),
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d(new Private)
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{
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d->duration = 2000;
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d->type = Private::Text;
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d->color = Qt::black;
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d->height = 40;
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d->width = 100 ;
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d->animId = 0;
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}
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Flash::~Flash()
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{
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delete d;
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}
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QRectF Flash::boundingRect() const
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{
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return QRectF(0,0,d->width,d->height);
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}
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int Flash::height() const
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{
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return d->height;
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}
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int Flash::width() const
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{
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return d->width;
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}
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void Flash::setHeight(int h)
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{
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prepareGeometryChange ();
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d->height = h;
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update();
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}
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void Flash::setWidth(int w)
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{
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prepareGeometryChange ();
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d->width = w;
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update();
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}
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void Flash::setDuration( int duration )
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{
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d->defaultDuration = duration;
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}
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QSize Flash::size() const
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{
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return QSize(d->width,d->height);
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}
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void Flash::setSize(const QSize &s)
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{
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prepareGeometryChange ();
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d->width = s.width();
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d->height = s.height();
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update();
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}
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void Flash::setColor( const QColor &color )
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{
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d->color = color;
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}
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void Flash::setFont( const QFont &font )
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{
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d->font = font;
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}
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void Flash::flash( const QString &text, int duration)
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{
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d->type = Private::Text;
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d->duration = duration > 0 ? duration : d->defaultDuration;
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d->text = text;
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QTimer::singleShot( 0, this, SLOT(fadeIn()) );
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}
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void Flash::flash( const QPixmap &pixmap, int duration )
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{
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d->type = Private::Pixmap;
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d->duration = duration > 0 ? duration : d->defaultDuration;
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d->pixmap = pixmap;
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QTimer::singleShot( 0, this, SLOT(fadeIn()) );
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}
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void Flash::fadeIn()
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{
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d->renderedPixmap = renderPixmap();
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d->animId = Plasma::Phase::self()->animateElement(this, Plasma::Phase::ElementAppear);
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Plasma::Phase::self()->setAnimationPixmap( d->animId, d->renderedPixmap );
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QTimer::singleShot( d->duration, this, SLOT(fadeOut()) );
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}
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void Flash::fadeOut()
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{
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d->animId = Plasma::Phase::self()->animateElement(this, Plasma::Phase::ElementDisappear);
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Plasma::Phase::self()->setAnimationPixmap( d->animId, d->renderedPixmap );
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}
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QPixmap Flash::renderPixmap()
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{
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QPixmap pm( width(), height() );
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pm.fill(Qt::transparent);
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QPainter painter( &pm );
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if( d->type == Private::Text ) {
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painter.setPen( d->color );
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painter.setFont( d->font );
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painter.drawText( QRect( 0, 0, pm.width(), pm.height() ), d->text, Qt::AlignHCenter | Qt::AlignVCenter);
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} else if( d->type == Private::Pixmap ) {
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painter.drawPixmap( QPoint( (pm.width() - d->pixmap.width())/2, (pm.height() - d->pixmap.height())/2 ), d->pixmap );
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}
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return pm;
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}
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void Flash::paint(QPainter *painter, const QStyleOptionGraphicsItem *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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if( d->animId ) {
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painter->drawPixmap(0, 0, Plasma::Phase::self()->animationResult(d->animId));
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}
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}
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#include "flash.moc"
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