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https://bitbucket.org/smil3y/kde-workspace.git
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111 lines
2.9 KiB
C++
111 lines
2.9 KiB
C++
/*
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* Copyright 2010 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 "dragcountdown.h"
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#include <QColor>
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#include <QPainter>
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#include <QStyleOption>
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#include <QTimer>
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#include <QPen>
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#include <KDebug>
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#include <KIconLoader>
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#include <Plasma/Svg>
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#include <Plasma/Theme>
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DragCountdown::DragCountdown(QGraphicsItem *parent)
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: QGraphicsWidget(parent),
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m_progress(0),
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m_increment(0)
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{
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hide();
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setFlag(QGraphicsItem::ItemHasNoContents, false);
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m_animationTimer = new QTimer(this);
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m_countdownTimer = new QTimer(this);
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m_countdownTimer->setSingleShot(true);
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connect(m_countdownTimer, SIGNAL(timeout()), this, SIGNAL(dragRequested()));
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m_animationTimer = new QTimer(this);
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m_animationTimer->setSingleShot(false);
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connect(m_animationTimer, SIGNAL(timeout()), this, SLOT(updateProgress()));
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resize(KIconLoader::SizeLarge, KIconLoader::SizeLarge);
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m_icons = new Plasma::Svg(this);
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m_icons->setImagePath("widgets/configuration-icons");
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m_icons->setContainsMultipleImages(true);
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}
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DragCountdown::~DragCountdown()
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{
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}
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void DragCountdown::start(const int timeout)
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{
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m_progress = 0;
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if (timeout > 0) {
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m_increment = (qreal)40/timeout;
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m_animationTimer->start(40);
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} else {
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emit dragRequested();
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}
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show();
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}
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void DragCountdown::stop()
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{
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m_animationTimer->stop();
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hide();
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}
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void DragCountdown::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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painter->save();
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painter->setRenderHint(QPainter::Antialiasing);
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QColor color(Plasma::Theme::defaultTheme()->color(Plasma::Theme::TextColor));
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color.setAlphaF(0.6);
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painter->setPen(QPen(color, 4));
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if (m_animationTimer->isActive()) {
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painter->drawArc(boundingRect(), 0, m_progress * 360 * 16);
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} else {
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m_icons->paint(painter, boundingRect(), "move");
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}
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painter->restore();
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}
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void DragCountdown::updateProgress()
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{
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m_progress += m_increment;
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if (m_progress >= 1) {
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m_animationTimer->stop();
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m_progress = 0;
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emit dragRequested();
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}
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update();
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}
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#include "moc_dragcountdown.cpp"
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