Diffstat (limited to 'libopie2/opiecore/linux/oinputsystem.cpp') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | libopie2/opiecore/linux/oinputsystem.cpp | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/libopie2/opiecore/linux/oinputsystem.cpp b/libopie2/opiecore/linux/oinputsystem.cpp new file mode 100644 index 0000000..bad27ed --- a/dev/null +++ b/libopie2/opiecore/linux/oinputsystem.cpp @@ -0,0 +1,222 @@ +/* + 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; version 2 of the License. + ._= =} : + .%`+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' [%s]", + (const char*) absPath, isValid ? "yes" : "no", isValid ? "(ok)" : strerror( errno ) ); + 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" ); + return QString::null; + } + 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; +} + |