Input State
[OpenGLUT API Reference]

Functions
int	glutDeviceGet (GLenum eWhat)
int	glutGetModifiers (void)
void	glutIgnoreKeyRepeat (int ignore)
void	glutSetKeyRepeat (int repeatMode)

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Function Documentation

int glutDeviceGet (  GLenum  eWhat  )

Query input device state. Parameters: eWhat  Enumerated parameter ID. Retrieve system-specific information about attached devices. Supported device queries are: GLUT_HAS_KEYBOARD Return non-zero if there is a keyboard. GLUT_HAS_MOUSE Return non-zero if there is a mouse. GLUT_HAS_JOYSTICK Return non-zero if there is a joystick. GLUT_HAS_SPACEBALL Return non-zero if there is a spaceball. GLUT_HAS_DIAL_AND_BUTTON_BOX Return non-zero if a dials-and-buttons box is present. GLUT_HAS_TABLET Return non-zero if a tablet is present. GLUT_NUM_MOUSE_BUTTONS Return the number of mouse buttons. GLUT_JOYSTICK_BUTTONS Return the number of joystick buttons. GLUT_JOYSTICK_AXES Return the number of joystick axes. GLUT_JOYSTICK_POLL_RATE Return the rate at which the joystick is polled, for the current window. GLUT_OWNS_JOYSTICK Return non-zero if OpenGLUT believes that it has successfully acquired access to the joystick. GLUT_DEVICE_IGNORE_KEY_REPEAT Return non-zero if the current window is set to disable key repeating. GLUT_DEVICE_KEY_REPEAT Described as returning the key repeat rate in one place, but actually returns a key repeat mode. GLUT_NUM_BUTTON_BOX_BUTTONS Return the number of buttons on a dials-and-buttons box, if any. GLUT_NUM_DIALS Return the number of dials on a dials-and-buttons box, if any. GLUT_NUM_SPACEBALL_BUTTONS Return the number of buttons on a spaceball, if any. GLUT_NUM_TABLET_BUTTONS Return the number of buttons on a tablet, if any. Todo: Keyboards assumed to exist. Mouse assumed to exist on UNIX/X11. Mice assumed to have three buttons on UNIX/X11. Joystick query limited to one joystick Consider moving to a table-based approach rather than a switch(), letting us move to modular functions. Bug: GLUT_DEVICE_KEY_REPEAT returns the key repeat mode, but the comment says it returns the rate. GLUT_DEVICE_KEY_REPEAT should probably return ogState.KeyRepeat. See also: glutSetOption(), glutGet(), glutGetModifiers(), glutLayerGet()

int glutGetModifiers (  void   )

Query the Alt, Shift and Ctrl keys. Return the logical OR combination of the following symbolic bitmasks: GLUT_ACTIVE_SHIFT GLUT_ACTIVE_CTRL GLUT_ACTIVE_ALT Todo: Complains if not invoked by a client callback. Does not differentiate between the left and right forms of the modifiers. See also: glutSetOption(), glutGet(), glutDeviceGet(), glutLayerGet()

void glutIgnoreKeyRepeat (  int  ignore  )

Set autorepeat status. Parameters: ignore  Whether to ignore autorepeated keys. If ignore is non-zero, then auto-repeat is disabled for keyboard callbacks for the current window. See also: glutSetKeyRepeat()

void glutSetKeyRepeat (  int  repeatMode  )

Sets autorepeat behavior for all OpenGLUT windows. Parameters: repeatMode  On, Off or Default. glutSetKeyRepeat() is similar to glutIgnoreKeyRepeat() but sets the behavior for OpenGLUT in general, rather than for a particular window. The options for repeatMode are: GLUT_KEY_REPEAT_OFF Turn off repeat for all windows. GLUT_KEY_REPEAT_ON Turn on repeat for all windows. GLUT_KEY_REPEAT_DEFAULT Respect the window's setting. See also: glutIgnoreKeyRepeat()

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