| -rw-r--r-- | libopie2/opiecore/oinputsystem.cpp | 32 | ||||
| -rw-r--r-- | libopie2/opiecore/oinputsystem.h | 5 |
2 files changed, 33 insertions, 4 deletions
diff --git a/libopie2/opiecore/oinputsystem.cpp b/libopie2/opiecore/oinputsystem.cpp index d1a28f5..a2306ca 100644 --- a/libopie2/opiecore/oinputsystem.cpp +++ b/libopie2/opiecore/oinputsystem.cpp @@ -1,197 +1,221 @@ /* 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()" ); - if ( QFile::exists( "/dev/input/event0" ) ) _devices.insert( "0", new OInputDevice( this, "/dev/input/event0" ) ); - if ( QFile::exists( "/dev/input/event1" ) ) _devices.insert( "1", new OInputDevice( this, "/dev/input/event1" ) ); - if ( QFile::exists( "/dev/input/event2" ) ) _devices.insert( "2", new OInputDevice( this, "/dev/input/event2" ) ); - if ( QFile::exists( "/dev/input/event3" ) ) _devices.insert( "3", new OInputDevice( this, "/dev/input/event3" ) ); + 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; +} + diff --git a/libopie2/opiecore/oinputsystem.h b/libopie2/opiecore/oinputsystem.h index 7919610..6f822a1 100644 --- a/libopie2/opiecore/oinputsystem.h +++ b/libopie2/opiecore/oinputsystem.h @@ -30,108 +30,113 @@ #define OINPUTSYSTEM_H #include "linux_input.h" /* QT */ #include <qobject.h> #include <qdict.h> namespace Opie { namespace Core { class OInputDevice; /** * @brief A container class for all input devices * * This class provides access to all available input system devices of your computer. * * @author Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de> */ class OInputSystem : public QObject { public: typedef QDict<OInputDevice> DeviceMap; typedef QDictIterator<OInputDevice> DeviceIterator; /** * @returns the number of available input devices */ int count() const; /** * @returns a pointer to the (one and only) @ref OInputSystem instance. */ static OInputSystem* instance(); /** * @returns an iterator usable for iterating through all network interfaces. */ DeviceIterator iterator() const; /** * @returns a pointer to the @ref OAudioInterface object for the specified @a interface or 0, if not found * @see OAudioInterface */ OInputDevice* device( const QString& interface ) const; /** * @internal Rebuild the internal interface database * @note Sometimes it might be useful to call this from client code, */ void synchronize(); /** * @internal destructor */ ~OInputSystem(); protected: OInputSystem(); static OInputSystem* _instance; DeviceMap _devices; }; class OInputDevice : public QObject { public: OInputDevice( QObject* parent, const char* name = 0 ); ~OInputDevice(); #include "oinputsystemenums.h" public: /** * @returns the identity string of this input device */ QString identity() const; /** * @returns the path of this input device */ QString path() const; /** * @returns a unique identifier for this input device * @note Only a few devices support this */ QString uniq() const; /** * @returns whether a certain @a Feature is being supported by this device */ bool hasFeature( Feature ) const; /** * @returns whether a given @a Key or Button is being held at the moment */ bool isHeld( Key ) const; /** * @internal * @returns a string containing a printable form of the global keymask */ QString globalKeyMask() const; + /** + * @internal + * @returns whether a certain @a path corresponds to an input device + */ + static bool isValid( const QString& path ); private: int _fd; input_id _id; }; } } #endif // OINPUTSYSTEM_H |