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
|
/* ============================================================
*
* This file is a part of digiKam project
* http://www.digikam.org
*
* Date : 2004-09-21
* Description : an animated busy widget
*
* Copyright (C) 2004-2005 by Renchi Raju <renchi@pooh.tam.uiuc.edu>
* Copyright (C) 2006-2009 by Gilles Caulier <caulier dot gilles at gmail dot com>
*
* This program is free software; you can redistribute it
* and/or modify it under the terms of the GNU General
* Public License as published by the Free Software Foundation;
* either version 2, or (at your option)
* any later version.
*
* 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.
*
* ============================================================ */
// TQt includes.
#include <tqpainter.h>
#include <tqpixmap.h>
#include <tqpalette.h>
#include <tqcolor.h>
#include <tqtimer.h>
// Local includes.
#include "animwidget.h"
#include "animwidget.moc"
namespace Digikam
{
class AnimWidgetPriv
{
public:
AnimWidgetPriv()
{
timer = 0;
pos = 0;
}
int pos;
int size;
TQTimer *timer;
TQPixmap pix;
};
AnimWidget::AnimWidget(TQWidget* parent, int size)
: TQWidget(parent, 0, WResizeNoErase|WRepaintNoErase)
{
d = new AnimWidgetPriv;
setBackgroundMode(TQt::NoBackground);
d->size = size;
d->pix = TQPixmap(d->size, d->size);
setFixedSize(d->size, d->size);
d->timer = new TQTimer(this);
connect(d->timer, TQ_SIGNAL(timeout()),
this, TQ_SLOT(slotTimeout()));
}
AnimWidget::~AnimWidget()
{
delete d;
}
void AnimWidget::start()
{
d->pos = 0;
d->timer->start(100);
}
void AnimWidget::stop()
{
d->pos = 0;
d->timer->stop();
repaint();
}
void AnimWidget::paintEvent(TQPaintEvent*)
{
d->pix.fill(colorGroup().background());
TQPainter p(&d->pix);
p.translate(d->size/2, d->size/2);
if (d->timer->isActive())
{
p.setPen(TQPen(colorGroup().text()));
p.rotate( d->pos );
}
else
{
p.setPen(TQPen(colorGroup().dark()));
}
for ( int i=0 ; i<12 ; i++ )
{
p.drawLine(d->size/2-4, 0, d->size/2-2, 0);
p.rotate(30);
}
p.end();
bitBlt(this, 0, 0, &d->pix);
}
void AnimWidget::slotTimeout()
{
d->pos = (d->pos + 10) % 360;
repaint();
}
bool AnimWidget::running() const
{
return d->timer->isActive();
}
} // namespace Digikam
|
