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progressspinnerdelegate_p.h
1/*
2 Copyright (C) 2010 Klarälvdalens Datakonsult AB,
3 a KDAB Group company, info@kdab.net,
4 author Stephen Kelly <stephen@kdab.com>
5
6 This library is free software; you can redistribute it and/or modify it
7 under the terms of the GNU Library General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or (at your
9 option) any later version.
10
11 This library is distributed in the hope that it will be useful, but WITHOUT
12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
14 License for more details.
15
16 You should have received a copy of the GNU Library General Public License
17 along with this library; see the file COPYING.LIB. If not, write to the
18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
19 02110-1301, USA.
20*/
21
22#ifndef PROGRESSSPINNERDELEGATE_P_H
23#define PROGRESSSPINNERDELEGATE_P_H
24
25#include <QStyledItemDelegate>
26#include <QSet>
27
28#include <kpixmapsequence.h>
29
30namespace Akonadi {
31
32class DelegateAnimator : public QObject
33{
34 Q_OBJECT
35public:
36 explicit DelegateAnimator(QAbstractItemView *view);
37
38 void push(const QModelIndex &index);
39 void pop(const QModelIndex &index);
40
41 QPixmap sequenceFrame(const QModelIndex &index);
42
43 static const int sCount = 7;
44 struct Animation {
45 inline Animation(const QPersistentModelIndex &idx)
46 : frame(0)
47 , index(idx)
48 {
49 }
50
51 bool operator==(const Animation &other) const
52 {
53 return index == other.index;
54 }
55
56 inline void nextFrame() const {
57 frame = (frame + 1) % sCount;
58 }
59 mutable int frame;
60 QPersistentModelIndex index;
61 };
62
63protected:
64 virtual void timerEvent(QTimerEvent *event);
65
66private:
67
68 QSet<Animation> m_animations;
69 QAbstractItemView *m_view;
70 KPixmapSequence m_pixmapSequence;
71 int m_timerId;
72};
73
74uint qHash(Akonadi::DelegateAnimator::Animation anim);
75
79class ProgressSpinnerDelegate : public QStyledItemDelegate
80{
81 Q_OBJECT
82public:
83 explicit ProgressSpinnerDelegate(DelegateAnimator *animator, QObject *parent = 0);
84
85protected:
86 virtual void initStyleOption(QStyleOptionViewItem *option, const QModelIndex &index) const;
87
88private:
89 DelegateAnimator *m_animator;
90};
91
92}
93
94#endif
Akonadi
FreeBusyManager::Singleton.
Definition actionstatemanager_p.h:28
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