125 lines
3.2 KiB
C++
125 lines
3.2 KiB
C++
/*
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* Copyright 2011 Marco Martin <mart@kde.org>
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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 "qiconitem.h"
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#include <KIcon>
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#include <KIconLoader>
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#include <KIconEffect>
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#include <QPainter>
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QIconItem::QIconItem(QDeclarativeItem *parent)
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: QDeclarativeItem(parent),
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m_smooth(false),
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m_state(DefaultState)
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{
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setFlag(QGraphicsItem::ItemHasNoContents, false);
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}
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QIconItem::~QIconItem()
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{
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}
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void QIconItem::setIcon(const QVariant &icon)
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{
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if(icon.canConvert<QIcon>()) {
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m_icon = icon.value<QIcon>();
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}
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else if(icon.canConvert<QString>()) {
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m_icon = KIcon(icon.toString());
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}
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update();
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}
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QIcon QIconItem::icon() const
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{
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return m_icon;
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}
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QIconItem::State QIconItem::state() const
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{
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return m_state;
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}
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void QIconItem::setState(QIconItem::State state)
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{
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if (m_state == state) {
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return;
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}
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m_state = state;
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emit stateChanged(state);
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update();
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}
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int QIconItem::implicitWidth() const
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{
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return KIconLoader::global()->currentSize(KIconLoader::Desktop);
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}
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int QIconItem::implicitHeight() const
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{
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return KIconLoader::global()->currentSize(KIconLoader::Desktop);
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}
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void QIconItem::setSmooth(const bool smooth)
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{
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if (smooth == m_smooth) {
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return;
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}
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m_smooth = smooth;
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update();
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}
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bool QIconItem::smooth() const
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{
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return m_smooth;
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}
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void QIconItem::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 (m_icon.isNull()) {
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return;
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}
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//do without painter save, faster and the support can be compiled out
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const bool wasAntiAlias = painter->testRenderHint(QPainter::Antialiasing);
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const bool wasSmoothTransform = painter->testRenderHint(QPainter::SmoothPixmapTransform);
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painter->setRenderHint(QPainter::Antialiasing, m_smooth);
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painter->setRenderHint(QPainter::SmoothPixmapTransform, m_smooth);
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if (m_state == ActiveState) {
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QPixmap result = m_icon.pixmap(boundingRect().size().toSize());
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result = KIconLoader::global()->iconEffect()->apply(result, KIconLoader::Desktop, KIconLoader::ActiveState);
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painter->drawPixmap(0, 0, result);
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} else {
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m_icon.paint(painter, boundingRect().toRect(), Qt::AlignCenter, isEnabled() ? QIcon::Normal : QIcon::Disabled);
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}
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painter->setRenderHint(QPainter::Antialiasing, wasAntiAlias);
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painter->setRenderHint(QPainter::SmoothPixmapTransform, wasSmoothTransform);
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}
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#include "qiconitem.moc"
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