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Diffstat (limited to 'kmilo/delli8k/delli8k.cpp')
| -rw-r--r-- | kmilo/delli8k/delli8k.cpp | 256 |
1 files changed, 256 insertions, 0 deletions
diff --git a/kmilo/delli8k/delli8k.cpp b/kmilo/delli8k/delli8k.cpp new file mode 100644 index 0000000..74c0d60 --- /dev/null +++ b/kmilo/delli8k/delli8k.cpp @@ -0,0 +1,256 @@ +/* + This file is part of the KDE project + + Copyright (c) 2004 Barry O'Donovan (barry.odonovan@kdemail.net) + + The code in this module is heavily based on: + - the Asus Laptop plug-in for KMilo + Copyright (c) 2004 Chris Howells (howells@kde.org) + - the Thinkpad plug-in + Copyright (c) 2004 Jonathan Riddell (jr@jriddell.org) + - the i8k kernel module and utilities (http://www.debian.org/~dz/i8k/) + Copyright (c) 2001-2003 Massimo Dal Zotto <dz@debian.org> + + 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 of the License, 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. + + 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 <kgenericfactory.h> + +#include "kmilointerface.h" + +#include <fcntl.h> +#include <sys/ioctl.h> + +#include "i8k.h" + +/* For compatibilty with i8k kernel driver 1.1 */ +#define I8K_VOL_MUTE_1_1 3 + +#include "delli8k.h" + +namespace KMilo +{ + +DellI8kMonitor::DellI8kMonitor( QObject* parent, const char* name, const QStringList& args ) + : Monitor( parent, name, args ) +{ +} + +DellI8kMonitor::~DellI8kMonitor() +{ +} + +bool DellI8kMonitor::init() +{ + kdDebug() << "KMilo: loading Dell I8k KMilo plugin" << endl; + + // Ensure the Dell I8k kernel module is installed/loaded + if( ( m_fd = open( I8K_PROC, O_RDONLY ) ) < 0 ) + { + kdDebug() << "KMilo: DellI8kMonitor: unable to open i8k proc file: " << I8K_PROC + << " in init()" << endl; + return false; + } + else + { + kmixClient = new DCOPRef( "kmix", "Mixer0" ); + kmixWindow = new DCOPRef( "kmix", "kmix-mainwindow#1" ); + retrieveVolume(); + retrieveMute(); + } + + return true; +} + +Monitor::DisplayType DellI8kMonitor::poll() +{ + Monitor::DisplayType pollResult = None; + + if( ( m_status = fn_status( m_fd ) ) < 0 ) + { + kdDebug() << "KMilo: DellI8kMonitor: unable to read fn status in poll()" << endl; + return pollResult; + } + else + { + switch( m_status ) + { + case I8K_VOL_UP: + pollResult = Volume; + retrieveVolume(); + setVolume( m_volume + DELLI8K_VOLUME_STEPSIZE ); + m_progress = m_volume; + break; + case I8K_VOL_DOWN: + pollResult = Volume; + retrieveVolume(); + setVolume( m_volume - DELLI8K_VOLUME_STEPSIZE ); + m_progress = m_volume; + break; + case I8K_VOL_MUTE: + case I8K_VOL_MUTE_1_1: + pollResult = None; + retrieveMute(); + setMute( !m_mute ); + if( m_mute ) + _interface->displayText( i18n( "Mute On" ) ); + else + _interface->displayText( i18n( "Mute Off" ) ); + break; + case 0: + break; + default: + kdDebug() << "KMile: DellI8kMonitor: invalid button status: " << m_status + << " in poll()" << endl; + break; + } + } + + return pollResult; +} + +int DellI8kMonitor::progress() const +{ + return m_progress; +} + +bool DellI8kMonitor::retrieveVolume() +{ + bool kmix_error = false; + + DCOPReply reply = kmixClient->call( "masterVolume"); + + if( reply.isValid() ) + { + m_volume = reply; + } + else + { + kmix_error = true; + } + + if (kmix_error) + { + // maybe the error occurred because kmix wasn't running + if( kapp->startServiceByDesktopName( "kmix" ) == 0 ) // trying to start kmix + { + // trying again + reply = kmixClient->call( "masterVolume"); + if( reply.isValid() ) + { + m_volume = reply; + kmix_error = false; + kmixWindow->send( "hide" ); + } + } + } + + if (kmix_error) + { + kdError() << "KMilo: DellI8kMonitor could not access kmix/Mixer0 via dcop" << endl; + return false; + } + + return true; +} + +void DellI8kMonitor::setVolume(int volume) +{ + if( !retrieveVolume() ) + { + return; + } + + if( volume > 100 ) + { + m_volume = 100; + } + else if( volume < 0 ) + { + m_volume = 0; + } + else + { + m_volume = volume; + } + + kmixClient->send("setMasterVolume", m_volume); + + m_progress = m_volume; +} + +bool DellI8kMonitor::retrieveMute() +{ + bool kmix_error = false; + + DCOPReply reply = kmixClient->call( "masterMute" ); + + if( reply.isValid() ) + { + m_mute = reply; + } + else + { + kmix_error = true; + } + + if (kmix_error) + { + // maybe the error occurred because kmix wasn't running + if( kapp->startServiceByDesktopName( "kmix" ) == 0 ) // trying to start kmix + { + // trying again + reply = kmixClient->call( "masterVolume" ); + if( reply.isValid() ) + { + m_volume = reply; + kmix_error = false; + kmixWindow->send( "hide" ); + } + } + } + + if (kmix_error) + { + kdError() << "KMilo: DellI8kMonitor could not access kmix/Mixer0 via dcop in isMute()" << endl; + return false; + } + + return true; +} + +void DellI8kMonitor::setMute( bool b ) +{ + m_mute = b; + kmixClient->send( "setMasterMute", m_mute ); +} + +int DellI8kMonitor::fn_status( int fd ) +{ + int args[1]; + int rc; + + if( ( rc = ioctl( fd, I8K_FN_STATUS, &args ) ) < 0 ) + { + kdError() << "KMilo: DellI8kMonitor: ioctl failed in fn_status()" << endl; + return rc; + } + + return args[0]; +} + +} //close namespace + +K_EXPORT_COMPONENT_FACTORY( kmilo_delli8k, KGenericFactory<KMilo::DellI8kMonitor>( "kmilo_delli8k" ) ) |