145 lines
3.3 KiB
C++
145 lines
3.3 KiB
C++
/*
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* Copyright 2008 by Davide Bettio <davide.bettio@kdemail.net>
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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 "svgwidget.h"
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#include <QPainter>
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#include <QGraphicsSceneMouseEvent>
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#include "kdebug.h"
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#include "svg.h"
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namespace Plasma
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{
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class SvgWidgetPrivate
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{
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public:
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SvgWidgetPrivate(SvgWidget *widget, Svg *s, const QString &element)
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: q(widget), svg(s), elementID(element)
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{
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}
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void svgChanged()
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{
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q->update();
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}
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SvgWidget *q;
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Svg *svg;
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QString elementID;
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};
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SvgWidget::SvgWidget(QGraphicsItem *parent, Qt::WindowFlags wFlags)
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: QGraphicsWidget(parent, wFlags),
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d(new SvgWidgetPrivate(this, 0, QString()))
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{
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}
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SvgWidget::SvgWidget(Svg *svg, const QString &elementID, QGraphicsItem *parent, Qt::WindowFlags wFlags)
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: QGraphicsWidget(parent, wFlags),
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d(new SvgWidgetPrivate(this, svg, elementID))
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{
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}
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SvgWidget::~SvgWidget()
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{
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delete d;
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}
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void SvgWidget::mousePressEvent(QGraphicsSceneMouseEvent *event)
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{
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// we check for receivers so that SvgWidgets that aren't being used for events remain "click
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// transparent"
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if (receivers(SIGNAL(clicked(Qt::MouseButton)))) {
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event->accept();
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} else {
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QGraphicsWidget::mousePressEvent(event);
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}
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}
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void SvgWidget::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
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{
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if (boundingRect().contains(event->pos())) {
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emit clicked(event->button());
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}
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}
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void SvgWidget::setSvg(Svg *svg)
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{
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if (d->svg) {
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disconnect(d->svg);
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}
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d->svg = svg;
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if (svg) {
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connect(svg, SIGNAL(repaintNeeded()), this, SLOT(svgChanged()));
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}
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update();
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}
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Svg *SvgWidget::svg() const
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{
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return d->svg;
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}
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void SvgWidget::setElementID(const QString &elementID)
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{
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if (d->svg) {
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d->svg->setContainsMultipleImages(!elementID.isNull());
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}
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d->elementID = elementID;
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update();
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}
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QString SvgWidget::elementID() const
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{
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return d->elementID;
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}
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void SvgWidget::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->svg){
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d->svg->paint(painter, boundingRect(), d->elementID);
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}
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}
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QSizeF SvgWidget::sizeHint(Qt::SizeHint which, const QSizeF & constraint) const
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{
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if (d->svg && which == Qt::PreferredSize) {
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if (d->elementID.isNull()) {
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return d->svg->size();
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} else {
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return d->svg->elementSize(d->elementID);
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}
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} else {
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return QGraphicsWidget::sizeHint(which, constraint);
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}
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}
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} // Plasma namespace
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#include "moc_svgwidget.cpp"
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