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
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
|
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** 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.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.1, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtCore/qpropertyanimation.h>
#include <QtGui/qwidget.h>
#include <QtGui/private/qmainwindowlayout_p.h>
#include "qwidgetanimator_p.h"
QT_BEGIN_NAMESPACE
QWidgetAnimator::QWidgetAnimator(QMainWindowLayout *layout) : m_mainWindowLayout(layout)
{
}
void QWidgetAnimator::abort(QWidget *w)
{
#ifndef QT_NO_ANIMATION
AnimationMap::iterator it = m_animation_map.find(w);
if (it == m_animation_map.end())
return;
QPropertyAnimation *anim = *it;
m_animation_map.erase(it);
anim->stop();
m_mainWindowLayout->animationFinished(w);
#else
Q_UNUSED(w); //there is no animation to abort
#endif //QT_NO_ANIMATION
}
#ifndef QT_NO_ANIMATION
void QWidgetAnimator::animationFinished()
{
QPropertyAnimation *anim = qobject_cast<QPropertyAnimation*>(sender());
abort(static_cast<QWidget*>(anim->targetObject()));
}
#endif //QT_NO_ANIMATION
void QWidgetAnimator::animate(QWidget *widget, const QRect &_final_geometry, bool animate)
{
QRect r = widget->geometry();
if (r.right() < 0 || r.bottom() < 0)
r = QRect();
animate = animate && !r.isNull() && !_final_geometry.isNull();
// might make the wigdet go away by sending it to negative space
const QRect final_geometry = _final_geometry.isValid() || widget->isWindow() ? _final_geometry :
QRect(QPoint(-500 - widget->width(), -500 - widget->height()), widget->size());
if (r == final_geometry)
return; //the widget is already where it should be
#ifndef QT_NO_ANIMATION
AnimationMap::const_iterator it = m_animation_map.constFind(widget);
if (it != m_animation_map.constEnd() && (*it)->endValue().toRect() == final_geometry)
return;
QPropertyAnimation *anim = new QPropertyAnimation(widget, "geometry", widget);
anim->setDuration(animate ? 200 : 0);
anim->setEasingCurve(QEasingCurve::InOutQuad);
anim->setEndValue(final_geometry);
m_animation_map[widget] = anim;
connect(anim, SIGNAL(finished()), SLOT(animationFinished()));
anim->start(QPropertyAnimation::DeleteWhenStopped);
#else
//we do it in one shot
widget->setGeometry(final_geometry);
m_mainWindowLayout->animationFinished(widget);
#endif //QT_NO_ANIMATION
}
bool QWidgetAnimator::animating() const
{
return !m_animation_map.isEmpty();
}
bool QWidgetAnimator::animating(QWidget *widget) const
{
return m_animation_map.contains(widget);
}
QT_END_NAMESPACE
|
