File indexing completed on 2024-05-12 04:19:41

 // vim: set tabstop=4 shiftwidth=4 expandtab:
 /*
 Gwenview: an image viewer
 Copyright 2014 Aurélien Gâteau <agateau@kde.org>
 
 This program is free software; you can redistribute it and/or
 modify it under the terms of the GNU General Public License
 as published by the Free Software Foundation; either version 2
 of the License, or (at your option) any later version.
 
 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 // Self
 #include "hudcountdown.h"
 
 // Local
 #include <lib/hud/hudtheme.h>
 
 // KF
 
 // Qt
 #include <QPainter>
 #include <QTimeLine>
 
 namespace Gwenview
 {
 struct HudCountDownPrivate {
     QTimeLine *mTimeLine = nullptr;
 };
 
 HudCountDown::HudCountDown(QGraphicsWidget *parent)
     : QGraphicsWidget(parent)
     , d(new HudCountDownPrivate)
 {
     d->mTimeLine = new QTimeLine(0, this);
     d->mTimeLine->setDirection(QTimeLine::Backward);
     connect(d->mTimeLine, &QTimeLine::valueChanged, this, &HudCountDown::doUpdate);
     connect(d->mTimeLine, &QTimeLine::finished, this, &HudCountDown::timeout);
 
     // Use an odd value so that the vertical line is aligned to pixel
     // boundaries
     setMinimumSize(17, 17);
 }
 
 HudCountDown::~HudCountDown()
 {
     delete d;
 }
 
 void HudCountDown::start(qreal ms)
 {
     d->mTimeLine->setDuration(ms);
     d->mTimeLine->start();
     update();
 }
 
 void HudCountDown::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *)
 {
     HudTheme::RenderInfo info = HudTheme::renderInfo(HudTheme::CountDown);
     painter->setRenderHint(QPainter::Antialiasing);
     const int circle = 5760;
     const int start = circle / 4; // Start at 12h, not 3h
     const int end = int(circle * d->mTimeLine->currentValue());
     painter->setBrush(info.bgBrush);
     painter->setPen(info.borderPen);
 
     QRectF square = boundingRect().adjusted(.5, .5, -.5, -.5);
     const qreal width = square.width();
     const qreal height = square.height();
     if (width < height) {
         square.setHeight(width);
         square.moveTop((height - width) / 2);
     } else {
         square.setWidth(height);
         square.moveLeft((width - height) / 2);
     }
     painter->drawPie(square, start, end);
 }
 
 void HudCountDown::doUpdate()
 {
     update();
 }
 
 } // namespace
 
 #include "moc_hudcountdown.cpp"