/*
* Returns various device information.
*/
int FGAPIENTRY glutDeviceGet( GLenum eWhat )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutDeviceGet" );
/* XXX WARNING: we are mostly lying in this function. */
switch( eWhat )
{
case GLUT_HAS_JOYSTICK:
return fgJoystickDetect ();
case GLUT_OWNS_JOYSTICK:
return fgState.JoysticksInitialised;
case GLUT_JOYSTICK_POLL_RATE:
return fgStructure.CurrentWindow ? fgStructure.CurrentWindow->State.JoystickPollRate : 0;
/* XXX The following two are only for Joystick 0 but this is an improvement */
case GLUT_JOYSTICK_BUTTONS:
return glutJoystickGetNumButtons ( 0 );
case GLUT_JOYSTICK_AXES:
return glutJoystickGetNumAxes ( 0 );
case GLUT_HAS_DIAL_AND_BUTTON_BOX:
return fgInputDeviceDetect ();
case GLUT_NUM_DIALS:
if ( fgState.InputDevsInitialised ) return 8;
return 0;
case GLUT_NUM_BUTTON_BOX_BUTTONS:
return 0;
case GLUT_HAS_SPACEBALL:
return fgHasSpaceball();
case GLUT_HAS_TABLET:
return 0;
case GLUT_NUM_SPACEBALL_BUTTONS:
return fgSpaceballNumButtons();
case GLUT_NUM_TABLET_BUTTONS:
return 0;
case GLUT_DEVICE_IGNORE_KEY_REPEAT:
return fgStructure.CurrentWindow ? fgStructure.CurrentWindow->State.IgnoreKeyRepeat : 0;
case GLUT_DEVICE_KEY_REPEAT:
return fgState.KeyRepeat;
default:
return fgPlatformGlutDeviceGet ( eWhat );
}
/* And now -- the failure. */
return -1;
}
/*
* Returns various device information.
*/
int FGAPIENTRY glutDeviceGet( GLenum eWhat )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutDeviceGet" );
/* XXX WARNING: we are mostly lying in this function. */
switch( eWhat )
{
case GLUT_HAS_KEYBOARD:
/*
* Win32 is assumed a keyboard, and this cannot be queried,
* except for WindowsCE.
*
* X11 has a core keyboard by definition, although it can
* be present as a virtual/dummy keyboard. For now, there
* is no reliable way to tell if a real keyboard is present.
*/
#if defined(_WIN32_CE)
return ( GetKeyboardStatus() & KBDI_KEYBOARD_PRESENT ) ? 1 : 0;
# if FREEGLUT_LIB_PRAGMAS
# pragma comment (lib,"Kbdui.lib")
# endif
#else
return 1;
#endif
#if TARGET_HOST_POSIX_X11
/* X11 has a mouse by definition */
case GLUT_HAS_MOUSE:
return 1 ;
case GLUT_NUM_MOUSE_BUTTONS:
/* We should be able to pass NULL when the last argument is zero,
* but at least one X server has a bug where this causes a segfault.
*
* In XFree86/Xorg servers, a mouse wheel is seen as two buttons
* rather than an Axis; "freeglut_main.c" expects this when
* checking for a wheel event.
*/
{
unsigned char map;
int nbuttons = XGetPointerMapping(fgDisplay.Display, &map,0);
return nbuttons;
}
#elif TARGET_HOST_MS_WINDOWS
case GLUT_HAS_MOUSE:
/*
* MS Windows can be booted without a mouse.
*/
return GetSystemMetrics( SM_MOUSEPRESENT );
case GLUT_NUM_MOUSE_BUTTONS:
# if defined(_WIN32_WCE)
return 1;
# else
return GetSystemMetrics( SM_CMOUSEBUTTONS );
# endif
#endif
case GLUT_HAS_JOYSTICK:
return fgJoystickDetect ();
case GLUT_OWNS_JOYSTICK:
return fgState.JoysticksInitialised;
case GLUT_JOYSTICK_POLL_RATE:
return fgStructure.CurrentWindow ? fgStructure.CurrentWindow->State.JoystickPollRate : 0;
/* XXX The following two are only for Joystick 0 but this is an improvement */
case GLUT_JOYSTICK_BUTTONS:
return glutJoystickGetNumButtons ( 0 );
case GLUT_JOYSTICK_AXES:
return glutJoystickGetNumAxes ( 0 );
case GLUT_HAS_DIAL_AND_BUTTON_BOX:
return fgInputDeviceDetect ();
case GLUT_NUM_DIALS:
if ( fgState.InputDevsInitialised ) return 8;
return 0;
case GLUT_NUM_BUTTON_BOX_BUTTONS:
return 0;
case GLUT_HAS_SPACEBALL:
return fgHasSpaceball();
case GLUT_HAS_TABLET:
return 0;
case GLUT_NUM_SPACEBALL_BUTTONS:
return fgSpaceballNumButtons();
case GLUT_NUM_TABLET_BUTTONS:
return 0;
case GLUT_DEVICE_IGNORE_KEY_REPEAT:
return fgStructure.CurrentWindow ? fgStructure.CurrentWindow->State.IgnoreKeyRepeat : 0;
case GLUT_DEVICE_KEY_REPEAT:
return fgState.KeyRepeat;
default:
fgWarning( "glutDeviceGet(): missing enum handle %d", eWhat );
break;
}
/* And now -- the failure. */
return -1;
}
/*
* Returns various device information.
*/
int FGAPIENTRY glutDeviceGet( GLenum eWhat )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutDeviceGet" );
/* XXX WARNING: we are mostly lying in this function. */
switch( eWhat )
{
case GLUT_HAS_KEYBOARD:
/*
* We always have a keyboard present on PC machines...
*
* XXX I think that some of my PCs will boot without a keyboard.
* XXX Also, who says that we are running on a PC? UNIX/X11
* XXX is much more generic, and X11 can go over a network.
* XXX Though in actuality, we can probably assume BOTH a
* XXX mouse and keyboard for most/all of our users.
*/
return TRUE ;
#if TARGET_HOST_UNIX_X11
case GLUT_HAS_MOUSE:
return TRUE ;
case GLUT_NUM_MOUSE_BUTTONS:
/*
* Return the number of mouse buttons available. This is a big guess.
*
* XXX We can probe /var/run/dmesg.boot which is world-readable.
* XXX This would be somewhat system-dependant, but is doable.
* XXX E.g., on NetBSD, my USB mouse registers:
* XXX ums0 at uhidev0: 3 buttons and Z dir.
* XXX We can also probe /var/log/XFree86\..*\.log to get
* XXX lines such as:
* XXX (**) Option "Buttons" "5"
* XXX (**) Option "ZAxisMapping" "4 5"
* XXX (**) Mouse0: ZAxisMapping: buttons 4 and 5
* XXX (**) Mouse0: Buttons: 5
* XXX ...which tells us even more, and is a bit less
* XXX system-dependant. (Other than MS-WINDOWS, all
* XXX target hosts with actual users are probably running
* XXX XFree86...) It is at least worth taking a look at
* XXX this file.
*/
return 3 ;
#elif TARGET_HOST_WIN32 || TARGET_HOST_WINCE
case GLUT_HAS_MOUSE:
/*
* The Windows can be booted without a mouse.
* It would be nice to have this reported.
*/
return GetSystemMetrics( SM_MOUSEPRESENT );
case GLUT_NUM_MOUSE_BUTTONS:
/* We are much more fortunate under Win32 about this... */
#if TARGET_HOST_WINCE
return 1;
#else
return GetSystemMetrics( SM_CMOUSEBUTTONS );
#endif /* TARGET_HOST_WINCE */
#endif
case GLUT_HAS_JOYSTICK:
return fgJoystickDetect ();
case GLUT_OWNS_JOYSTICK:
return fgState.JoysticksInitialised;
case GLUT_JOYSTICK_POLL_RATE:
return fgStructure.CurrentWindow ? fgStructure.CurrentWindow->State.JoystickPollRate : 0;
/* XXX The following two are only for Joystick 0 but this is an improvement */
case GLUT_JOYSTICK_BUTTONS:
return glutJoystickGetNumButtons ( 0 );
case GLUT_JOYSTICK_AXES:
return glutJoystickGetNumAxes ( 0 );
case GLUT_HAS_SPACEBALL:
case GLUT_HAS_DIAL_AND_BUTTON_BOX:
case GLUT_HAS_TABLET:
return FALSE;
case GLUT_NUM_SPACEBALL_BUTTONS:
case GLUT_NUM_BUTTON_BOX_BUTTONS:
case GLUT_NUM_DIALS:
case GLUT_NUM_TABLET_BUTTONS:
return 0;
case GLUT_DEVICE_IGNORE_KEY_REPEAT:
return fgStructure.CurrentWindow ? fgStructure.CurrentWindow->State.IgnoreKeyRepeat : 0;
case GLUT_DEVICE_KEY_REPEAT:
return fgState.KeyRepeat;
default:
fgWarning( "glutDeviceGet(): missing enum handle %d", eWhat );
break;
}
/* And now -- the failure. */
return -1;
}
