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path: root/core/settings/light-and-power/light.cpp
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1/**********************************************************************
2** Copyright (C) 2000 Trolltech AS. All rights reserved.
3**
4** This file is part of Qtopia Environment.
5**
6** This file may be distributed and/or modified under the terms of the
7** GNU General Public License version 2 as published by the Free Software
8** Foundation and appearing in the file LICENSE.GPL included in the
9** packaging of this file.
10**
11** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
12** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
13**
14** See http://www.trolltech.com/gpl/ for GPL licensing information.
15**
16** Contact info@trolltech.com if any conditions of this licensing are
17** not clear to you.
18**
19**********************************************************************/
20#include "settings.h"
21
22#include <qpe/global.h>
23#include <qpe/fontmanager.h>
24#include <qpe/config.h>
25#include <qpe/applnk.h>
26#include <qpe/qpeapplication.h>
27#if defined(Q_WS_QWS) && !defined(QT_NO_COP)
28#include <qpe/qcopenvelope_qws.h>
29#endif
30
31#include <qlabel.h>
32#include <qcheckbox.h>
33#include <qradiobutton.h>
34#include <qtabwidget.h>
35#include <qslider.h>
36#include <qfile.h>
37#include <qtextstream.h>
38#include <qdatastream.h>
39#include <qmessagebox.h>
40#include <qcombobox.h>
41#include <qspinbox.h>
42#include <qlistbox.h>
43#include <qdir.h>
44#if QT_VERSION >= 300
45#include <qstylefactory.h>
46#endif
47
48extern int qpe_sysBrightnessSteps();
49
50LightSettings::LightSettings( QWidget* parent, const char* name, WFlags fl )
51 : LightSettingsBase( parent, name, TRUE, fl )
52{
53 // Not supported
54 auto_brightness->hide();
55
56 Config config( "qpe" );
57
58 config.setGroup( "Screensaver" );
59
60 int interval;
61 interval = config.readNumEntry( "Interval_Dim", 30 );
62 interval_dim->setValue( interval );
63 interval = config.readNumEntry( "Interval_LightOff", 20 );
64 interval_lightoff->setValue( interval );
65 interval = config.readNumEntry( "Interval", 60 );
66 if ( interval > 3600 ) interval /= 1000; // compatibility (was millisecs)
67 interval_suspend->setValue( interval );
68
69 screensaver_dim->setChecked( config.readNumEntry("Dim",1) != 0 );
70 screensaver_lightoff->setChecked( config.readNumEntry("LightOff",1) != 0 );
71 int maxbright = qpe_sysBrightnessSteps();
72 initbright = config.readNumEntry("Brightness",255);
73 brightness->setMaxValue( maxbright );
74 brightness->setTickInterval( QMAX(1,maxbright/16) );
75 brightness->setLineStep( QMAX(1,maxbright/16) );
76 brightness->setPageStep( QMAX(1,maxbright/16) );
77 brightness->setValue( (maxbright*255 - initbright*maxbright)/255 );
78
79 connect(brightness, SIGNAL(valueChanged(int)), this, SLOT(applyBrightness()));
80}
81
82LightSettings::~LightSettings()
83{
84}
85
86static void set_fl(int bright)
87{
88 QCopEnvelope e("QPE/System", "setBacklight(int)" );
89 e << bright;
90}
91
92void LightSettings::reject()
93{
94 set_fl(initbright);
95
96 QDialog::reject();
97}
98
99void LightSettings::accept()
100{
101 if ( qApp->focusWidget() )
102 qApp->focusWidget()->clearFocus();
103
104 applyBrightness();
105
106 int i_dim = (screensaver_dim->isChecked() ? interval_dim->value() : 0);
107 int i_lightoff = (screensaver_lightoff->isChecked() ? interval_lightoff->value() : 0);
108 int i_suspend = interval_suspend->value();
109 QCopEnvelope e("QPE/System", "setScreenSaverIntervals(int,int,int)" );
110 e << i_dim << i_lightoff << i_suspend;
111
112 Config config( "qpe" );
113 config.setGroup( "Screensaver" );
114 config.writeEntry( "Dim", (int)screensaver_dim->isChecked() );
115 config.writeEntry( "LightOff", (int)screensaver_lightoff->isChecked() );
116 config.writeEntry( "Interval_Dim", interval_dim->value() );
117 config.writeEntry( "Interval_LightOff", interval_lightoff->value() );
118 config.writeEntry( "Interval", interval_suspend->value() );
119 config.writeEntry( "Brightness",
120 (brightness->maxValue()-brightness->value())*255/brightness->maxValue() );
121 config.write();
122
123 QDialog::accept();
124}
125
126void LightSettings::applyBrightness()
127{
128 int bright = (brightness->maxValue()-brightness->value())*255
129 / brightness->maxValue();
130 set_fl(bright);
131}
132
133