show which bits are set in global keymask

2 files changed, 49 insertions, 3 deletions

diff --git a/libopie2/opiecore/oinputsystem.cpp b/libopie2/opiecore/oinputsystem.cpp
index 29de35c..d1a28f5 100644
--- a/libopie2/opiecore/oinputsystem.cpp
+++ b/libopie2/opiecore/oinputsystem.cpp
@@ -89,84 +89,109 @@ OInputDevice* OInputSystem::device( const QString& device ) const
 
 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;
+        
+    }
+}
+
diff --git a/libopie2/opiecore/oinputsystem.h b/libopie2/opiecore/oinputsystem.h
index 9020bc1..7919610 100644
--- a/libopie2/opiecore/oinputsystem.h
+++ b/libopie2/opiecore/oinputsystem.h
@@ -15,102 +15,123 @@
     : ..    .:,     . . .    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.
 */
 
 #ifndef OINPUTSYSTEM_H
 #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 desctructor
+     * @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;
-    bool    hasFeature( Feature ) const;
-    bool    isHeld( Key ) 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;
     
   private:
     int _fd;
     input_id _id;
 
 };
 
 }
 }
 
 #endif // OINPUTSYSTEM_H