- // there is currently no way to determine whether the window is running in full keyboard
- // access mode, therefore we cannot rely on these features, yet the only other way would be
- // to issue a SetKeyboardFocus event and verify after whether it succeeded, this would risk problems
- // in event handlers...
- UInt32 features = 0 ;
- m_peer->GetFeatures( &features ) ;
+ // TODO : evaluate performance hits by looking up this value, eventually cache the results for a 1 sec or so
+ // CAUTION : the value returned currently is 0 or 2, I've also found values of 1 having the same meaning,
+ // but the value range is nowhere documented
+ Boolean keyExistsAndHasValidFormat ;
+ CFIndex fullKeyboardAccess = CFPreferencesGetAppIntegerValue( CFSTR("AppleKeyboardUIMode" ) ,
+ kCFPreferencesCurrentApplication, &keyExistsAndHasValidFormat );
+
+ if ( keyExistsAndHasValidFormat && fullKeyboardAccess > 0 )
+ {
+ return true ;
+ }
+ else
+ {
+ UInt32 features = 0 ;
+ m_peer->GetFeatures( &features ) ;