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
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
|
/*
* Bespin style for Qt4
* Copyright 2007-2012 by Thomas Lübking <thomas.luebking@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <QEvent>
#include <QWidget>
#define ANIMATOR_IMPL 1
#include "basic.h"
#include <QtDebug>
using namespace Animator;
Info::Info(int s, bool bwd) : _step(s), backwards(bwd) {}
int Info::step(long int) const { return _step; }
bool Info::bwd() const { return backwards; }
void Info::init(int s, bool bwd) {_step = s; backwards = bwd;}
Info defInfo;
INSTANCE(Basic)
MANAGE(Basic)
RELEASE(Basic)
STEP(Basic)
SET_FPS(Basic)
#undef ANIMATOR_IMPL
Basic::Basic() : QObject(), timeStep(_timeStep), count(0) {}
bool
Basic::_manage(QWidget *w)
{
// just to be sure...
disconnect(w, SIGNAL(destroyed(QObject*)), this, SLOT(release_s(QObject*)));
w->removeEventFilter(this);
connect(w, SIGNAL(destroyed(QObject*)), this, SLOT(release_s(QObject*)));
if (w->isVisible())
{
QEvent ev(QEvent::Show);
eventFilter(w, &ev);
}
w->installEventFilter(this);
return true;
}
void
Basic::_release(QWidget *w)
{
if (w)
w->removeEventFilter(instance);
items.remove(w);
if (noAnimations())
{
timer.stop();
// delete instance; instance = 0; // nope, TODO check whether the eventFilter is used at all!
}
}
void
Basic::play(QWidget *widget, bool bwd)
{
if (!widget)
return;
const bool needTimer = noAnimations();
items[widget].init(0, bwd);
if (needTimer)
timer.start(timeStep, this);
}
void
Basic::_setFPS(uint fps)
{
timeStep = 1000/fps;
if (timer.isActive())
timer.start(timeStep, this);
}
int
Basic::_step(const QWidget *widget, long int index) const
{
return info(widget, index).step(index);
}
const Info &
Basic::info(const QWidget *widget, long int) const
{
WidgetPtr wp(const_cast<QWidget*>(widget));
Items::const_iterator it = items.find(wp);
if (it == items.end())
return defInfo;
return *it;
}
bool
Basic::noAnimations() const
{
return items.isEmpty();
}
void
Basic::release_s(QObject *obj)
{
_release(qobject_cast<QWidget*>(obj));
}
void
Basic::timerEvent(QTimerEvent * event)
{
if (event->timerId() != timer.timerId() || noAnimations())
return;
//Update the registered progressbars.
QWidget *w;
Items::iterator it = items.begin();
while (it != items.end())
{
w = it.key();
if (!w)
{
it = items.erase(it);
continue;
}
if (w->paintingActive() || !w->isVisible())
continue;
++it.value();
w->repaint();
++it;
}
}
bool
Basic::eventFilter( QObject* object, QEvent *e )
{
QWidget* widget = qobject_cast<QWidget*>(object);
if (!(widget && widget->isVisible()))
return false;
switch (e->type())
{
case QEvent::MouseMove:
case QEvent::Timer:
case QEvent::Move:
case QEvent::Paint:
return false; // just for performance - they can occur really often
case QEvent::Show:
if (widget->isEnabled())
play(widget);
return false;
case QEvent::Hide:
_release(widget);
return false;
case QEvent::EnabledChange:
if (widget->isEnabled())
play(widget);
else
_release(widget);
return false;
default:
return false;
}
}
|
