summaryrefslogtreecommitdiffstats
path: root/libkscan/sizeindicator.cpp
blob: bd259bd30038d88bc5c9e28357f24ee12865a9c5 (plain)
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
/* This file is part of the KDE Project
   Copyright (C) 2000 Klaas Freitag <freitag@suse.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; either
   version 2 of the License, or (at your option) any later version.

   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 "sizeindicator.h"

#include <tqpalette.h>
#include <tqimage.h>

#include <kimageeffect.h>
#include <klocale.h>
#include <kdebug.h>
#include <tqpainter.h>



SizeIndicator::SizeIndicator( TQWidget *parent, long  thres, long crit )
   :TQLabel( parent )
{
   sizeInByte = -1;
   setFrameStyle( TQFrame::Box | TQFrame::Sunken );
   setMinimumWidth( fontMetrics().width( TQString::fromLatin1("MMM.MM MB") ));
   setCritical( crit );
   threshold = thres;

}


void SizeIndicator::setCritical( long crit )
{
   critical = crit;
   devider = 255.0 / double( critical );
}


void SizeIndicator::setThreshold( long thres )
{
   threshold = thres;
}


SizeIndicator::~SizeIndicator()
{

}

void SizeIndicator::setSizeInByte( long newSize )
{
   sizeInByte = newSize;
   kdDebug(29000) << "New size in byte: " << newSize << endl ;

   TQString t;

   TQString unit = i18n( "%1 kB" );
   double sizer = double(sizeInByte)/1024.0; // produces kiloBytes
   int precision = 1;
   int fwidth = 3;

   if( sizer > 999.9999999 )
   {
      unit = i18n( "%1 MB" );
      sizer = sizer / 1024.0;
      precision = 2;
      fwidth = 2;
   }

   t = unit.arg( sizer, fwidth, 'f', precision);
   setText(t);

}



void SizeIndicator::drawContents( TQPainter *p )
{
   TQSize s = size();

   TQColor warnColor;

   if( sizeInByte >= threshold )
   {
      int c = int( double(sizeInByte) * devider );
      if( c > 255 ) c = 255;

      warnColor.setHsv( 0, c, c );

      p->drawImage( 0,0,
		    KImageEffect::unbalancedGradient( s, colorGroup().background(),
						      warnColor, KImageEffect::CrossDiagonalGradient, 200,200 ));
   }
   /* Displaying the text */
   TQString t = text();
   p->drawText( 0, 0, s.width(), s.height(),
		AlignHCenter | AlignVCenter, t);

}

#include "sizeindicator.moc"