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
|
/*
Copyright ( C ) 2003 Arnold Krille <arnold@arnoldarts.de>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation;
version 2 of the License.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "klevelmeter_linebars.h"
#include <kdebug.h>
#include <tqpainter.h>
#include <tqpixmap.h>
KLevelMeter_LineBars::KLevelMeter_LineBars( Arts::KLevelMeter_impl* impl, TQWidget* parent, long substyle, long count, Arts::Direction dir, float _dbmin, float _dbmax ) : KLevelMeter_Template( impl, parent, substyle, count, dir, _dbmin, _dbmax )
, _value( 0.0 )
, _peak( 0.0 )
{
//kdDebug()<<"KLevelMeter_LineBars::KLevelMeter_LineBars( Arts::KLevelMeter_impl* "<<impl<<", TQWidget* "<<parent<<", long "<<substyle<<", long "<<count<<", Arts::Direction "<<dir<<", float "<<_dbmin<<", float "<<_dbmax<<" )"<<endl;
this->setMinimumSize( 5, 5 );
this->substyle( substyle );
_stdcolors = colorGroup();
setBackgroundMode( TQt::NoBackground );
}
void KLevelMeter_LineBars::invalue( float n, float p ) {
_value = amptondb( n );
_peak = amptondb( p );
tqrepaint();
}
void KLevelMeter_LineBars::substyle( long n ) {
//kdDebug() << k_funcinfo << n << endl;
_substyle = n;
}
long KLevelMeter_LineBars::substyle() { return _substyle; }
void KLevelMeter_LineBars::paintEvent( TQPaintEvent* ) {
TQPixmap pm( size() );
TQPainter p( &pm );
switch ( _dir ) {
case Arts::BottomToTop:
break;
case Arts::TopToBottom:
p.rotate( 180.0 );
p.translate( -width() + 1, -height() + 1 );
break;
case Arts::LeftToRight:
p.rotate( 90.0 );
p.translate( 0, -width() + 1 );
break;
case Arts::RightToLeft:
p.rotate( 270.0 );
p.translate( -height() + 1, 0 );
break;
}
if ( _substyle & 1 )
p.setBrush( ( _peak<1 )?TQColor( 0,0,255 ):TQColor( 255,0,0 ) );
else
p.setBrush( ( _peak<1 )?color( _value ):TQColor( 255,0,0 ) );
TQColor bgcolor = ( _substyle & 2 ) ? p.brush().color().dark() : TQColor(_stdcolors.background());
pm.fill( bgcolor );
p.setPen( NoPen );
TQSize s = size();
if ( Arts::LeftToRight == _dir || Arts::RightToLeft == _dir )
s.transpose();
// Value
int h = int( s.height() * _value );
int top = s.height() - h;
int w = s.width();
p.drawRect( 0, top, w, h );
// PeakBar
if ( _peak > 1.0/1000 && _peak <= 1.0 ) {
p.setPen( TQColor( 255-bgcolor.red(), 255-bgcolor.green(), 255-bgcolor.blue() ) );
top = int( s.height() * ( 1 - _peak ) );
p.drawLine( 0, top, w, top );
}
bitBlt( TQT_TQPAINTDEVICE(this), 0, 0, TQT_TQPAINTDEVICE(&pm), 0, 0, pm.width(), pm.height(), CopyROP, true );
}
/**
Planned feature: a little Tooltip showing the actual value of the volume in deziBel and perhaps as linear scaleFactor
*/
void KLevelMeter_LineBars::mouseMoveEvent( TQMouseEvent* /*qme*/ ) {
//kdDebug()<<"KLevelMeter_LineBars::mouseMoveEvent(TQMouseEvent* "<<qme<<" )"<<endl;
//kdDebug()<<"qme.y()="<<this->height()-qme->y()<<" db="<<db<<" dbtoamp(db)="<<dbtoamp( db )<<endl;
}
#include <klevelmeter_linebars.moc>
// vim: sw=4 ts=4
|
