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/*
This file is part of the Opie Project
=. (C) 2005 Michael 'Mickey' Lauer <mickey@Vanille.de>
.=l.
.>+-=
_;:, .> :=|. This program is free software; you can
.> <`_, > . <= redistribute it and/or modify it under
:`=1 )Y*s>-.-- : the terms of the GNU Library General Public
.="- .-=="i, .._ License as published by the Free Software
- . .-<_> .<> Foundation; either version 2 of the License,
._= =} : or (at your option) any later version.
.%`+i> _;_.
.i_,=:_. -<s. 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
..}^=.= = ; 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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#include "oinputsystem.h"
using namespace Opie::Core;
/* QT */
#include <qdir.h>
#include <qfile.h>
/* STD */
#include <errno.h>
#include <string.h>
#include <sys/fcntl.h>
#include <sys/ioctl.h>
#include <unistd.h>
#define BUFSIZE 256
#define BIT_MASK( name, numbits ) \
unsigned short name[ ((numbits) - 1) / (sizeof( short ) * 8) + 1 ]; \
memset( name, 0, sizeof( name ) )
#define BIT_TEST( bitmask, bit ) \
( bitmask[ (bit) / sizeof(short) / 8 ] & (1u << ( (bit) % (sizeof(short) * 8))) )
/*======================================================================================
* OInputSystem
*======================================================================================*/
OInputSystem* OInputSystem::_instance = 0;
OInputSystem::OInputSystem() : QObject()
{
qDebug( "OInputSystem::OInputSystem()" );
synchronize();
}
void OInputSystem::synchronize()
{
qDebug( "OInputSystem::synchronize()" );
QDir devInput( "/dev/input/" );
if ( devInput.exists() )
{
QStringList devInputFiles = devInput.entryList( QDir::System, QDir::Name );
for ( QStringList::Iterator it = devInputFiles.begin(); it != devInputFiles.end(); ++it )
{
QString absPath = devInput.absFilePath( *it );
bool isValid = OInputDevice::isValid( absPath );
qDebug( "OInputSystem::synchronize() - checking if '%s' is a valid input system node... '%s'",
(const char*) absPath, isValid ? "yes" : "no" );
if ( isValid ) _devices.insert( *it, new OInputDevice( this, absPath ) );
}
}
qDebug( "OInputSystem::synchronize() done" );
if ( !_devices.count() )
qWarning( "OInputSystem::no devices found" );
}
OInputSystem::~OInputSystem()
{
qDebug( "OInputSystem::~OInputSystem()" );
}
int OInputSystem::count() const
{
return _devices.count();
}
OInputDevice* OInputSystem::device( const QString& device ) const
{
return _devices[device];
}
OInputSystem* OInputSystem::instance()
{
if ( !_instance ) _instance = new OInputSystem();
return _instance;
}
OInputSystem::DeviceIterator OInputSystem::iterator() const
{
return OInputSystem::DeviceIterator( _devices );
}
/*======================================================================================
* OInputDevice
*======================================================================================*/
OInputDevice::OInputDevice( QObject* parent, const char* name ) : QObject( parent, name )
{
qDebug( "OInputDevice::OInputDevice( '%s' )", name );
_fd = ::open( name, O_RDONLY );
if ( _fd == -1 )
{
qDebug( "OInputDevice::OInputDevice() - Warning: couldn't open %s (%s)", name, strerror( errno ) );
}
}
OInputDevice::~OInputDevice()
{
qDebug( "OInputDevice::~OInputDevice()" );
}
QString OInputDevice::identity() const
{
char buf[BUFSIZE] = "<unknown>";
::ioctl( _fd, EVIOCGNAME(sizeof buf), buf );
return buf;
}
QString OInputDevice::path() const
{
char buf[BUFSIZE] = "<unknown>";
::ioctl( _fd, EVIOCGPHYS(sizeof buf), buf );
return buf;
}
QString OInputDevice::uniq() const
{
char buf[BUFSIZE] = "<unknown>";
::ioctl( _fd, EVIOCGUNIQ(sizeof buf), buf );
return buf;
}
bool OInputDevice::hasFeature( Feature bit ) const
{
BIT_MASK( features, EV_MAX );
if( ioctl( _fd, EVIOCGBIT( 0, EV_MAX ), features) < 0 )
{
perror( "EVIOCGBIT" );
return false;
}
else
return BIT_TEST( features, bit );
}
bool OInputDevice::isHeld( Key bit ) const
{
BIT_MASK( keys, KEY_MAX );
if( ioctl( _fd, EVIOCGKEY( sizeof(keys) ), keys ) < 0 )
{
perror( "EVIOCGKEY" );
return false;
}
else
{
return BIT_TEST( keys, bit );
}
}
QString OInputDevice::globalKeyMask() const
{
BIT_MASK( keys, KEY_MAX );
if( ioctl( _fd, EVIOCGKEY( sizeof(keys) ), keys ) < 0 )
{
perror( "EVIOCGKEY" );
}
else
{
QString keymask;
for ( int i = 0; i < KEY_MAX; ++i )
{
if ( BIT_TEST( keys, i ) ) keymask.append( QString().sprintf( "%0d, ", i ) );
}
return keymask;
}
}
bool OInputDevice::isValid( const QString& path )
{
char buf[BUFSIZE] = "<unknown>";
int fd = ::open( (const char*) path, O_RDONLY );
if ( fd < 0 ) return false;
int res = ::ioctl( fd, EVIOCGNAME(sizeof buf), buf );
::close( fd );
return res >= 0;
}
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