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
@@ -145,17 +145,20 @@ QString OInputDevice::uniq() const
 }
 
 
 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 );
@@ -165,8 +168,30 @@ bool OInputDevice::isHeld( Key bit ) const
         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
@@ -71,17 +71,17 @@ class OInputSystem : public QObject
      */
     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;
@@ -92,21 +92,42 @@ 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;
 
 };
 
 }