1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Qt Software Information (qt-info@nokia.com)
**
** Commercial Usage
**
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
**
**************************************************************************/
#ifndef ANIMATION_H
#define ANIMATION_H
#include <QtCore/QPointer>
#include <QtCore/QTime>
#include <QtCore/QBasicTimer>
#include <QStyle>
#include <QPainter>
#include <QWidget>
/*
* This is a set of helper classes to allow for widget animations in
* the style. Its mostly taken from Vista style so it should be fully documented
* there.
*
*/
#if QT_VERSION >= 0x040500
class Animation
{
public :
Animation() : m_running(true) { }
virtual ~Animation() { }
QWidget * widget() const { return m_widget; }
bool running() const { return m_running; }
const QTime &startTime() const { return m_startTime; }
void setRunning(bool val) { m_running = val; }
void setWidget(QWidget *widget) { m_widget = widget; }
void setStartTime(const QTime &startTime) { m_startTime = startTime; }
virtual void paint(QPainter *painter, const QStyleOption *option);
protected:
void drawBlendedImage(QPainter *painter, QRect rect, float value);
QTime m_startTime;
QPointer<QWidget> m_widget;
QImage m_primaryImage;
QImage m_secondaryImage;
QImage m_tempImage;
bool m_running;
};
// Handles state transition animations
class Transition : public Animation
{
public :
Transition() : Animation(),m_duration(130) {}
virtual ~Transition() {}
void setDuration(int duration) { m_duration = duration; }
void setStartImage(const QImage &image) { m_primaryImage = image; }
void setEndImage(const QImage &image) { m_secondaryImage = image; }
virtual void paint(QPainter *painter, const QStyleOption *option);
int duration() const { return m_duration; }
int m_duration; //set time in ms to complete a state transition
};
class StyleAnimator : public QObject
{
Q_OBJECT;
public:
StyleAnimator(QObject *parent = 0) : QObject(parent) {}
void timerEvent(QTimerEvent *);
void startAnimation(Animation *);
void stopAnimation(const QWidget *);
Animation* widgetAnimation(const QWidget *) const;
private:
QBasicTimer animationTimer;
QList <Animation*> animations;
};
#endif
#endif // ANIMATION_H
|
