File indexing completed on 2025-01-05 04:02:06

0001 // vim: set tabstop=4 shiftwidth=4 expandtab:
0002 /*
0003 Gwenview: an image viewer
0004 Copyright 2011 Aurélien Gâteau <agateau@kde.org>
0005 
0006 This program is free software; you can redistribute it and/or
0007 modify it under the terms of the GNU General Public License
0008 as published by the Free Software Foundation; either version 2
0009 of the License, or (at your option) any later version.
0010 
0011 This program is distributed in the hope that it will be useful,
0012 but WITHOUT ANY WARRANTY; without even the implied warranty of
0013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
0014 GNU General Public License for more details.
0015 
0016 You should have received a copy of the GNU General Public License
0017 along with this program; if not, write to the Free Software
0018 Foundation, Inc., 51 Franklin Street, Fifth Floor, Cambridge, MA 02110-1301, USA.
0019 
0020 */
0021 #ifndef LOADINGINDICATOR_H
0022 #define LOADINGINDICATOR_H
0023 
0024 // Local
0025 
0026 // KF
0027 
0028 // Qt
0029 #include <QGraphicsWidget>
0030 
0031 namespace Gwenview
0032 {
0033 struct LoadingIndicatorPrivate;
0034 /**
0035  * A graphics widget which shows a spinner
0036  */
0037 class LoadingIndicator : public QGraphicsWidget
0038 {
0039     Q_OBJECT
0040 public:
0041     explicit LoadingIndicator(QGraphicsItem *parent = nullptr);
0042     ~LoadingIndicator() override;
0043 
0044     void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = nullptr) override;
0045 
0046     QRectF boundingRect() const override;
0047 
0048 private Q_SLOTS:
0049     void showNextFrame();
0050 
0051 protected:
0052     QVariant itemChange(GraphicsItemChange change, const QVariant &value) override;
0053 
0054 private:
0055     LoadingIndicatorPrivate *const d;
0056 };
0057 
0058 } // namespace
0059 
0060 #endif /* LOADINGINDICATOR_H */