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 | |
30 | namespace Akonadi { |
31 | |
32 | class DelegateAnimator : public QObject |
33 | { |
34 | Q_OBJECT |
35 | public: |
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 | |
63 | protected: |
64 | virtual void timerEvent(QTimerEvent *event); |
65 | |
66 | private: |
67 | |
68 | QSet<Animation> m_animations; |
69 | QAbstractItemView *m_view; |
70 | KPixmapSequence m_pixmapSequence; |
71 | int m_timerId; |
72 | }; |
73 | |
74 | uint qHash(Akonadi::DelegateAnimator::Animation anim); |
75 | |
76 | /** |
77 | * |
78 | */ |
79 | class ProgressSpinnerDelegate : public QStyledItemDelegate |
80 | { |
81 | Q_OBJECT |
82 | public: |
83 | explicit ProgressSpinnerDelegate(DelegateAnimator *animator, QObject *parent = 0); |
84 | |
85 | protected: |
86 | virtual void initStyleOption(QStyleOptionViewItem *option, const QModelIndex &index) const; |
87 | |
88 | private: |
89 | DelegateAnimator *m_animator; |
90 | }; |
91 | |
92 | } |
93 | |
94 | #endif |
95 | |