glutbuttonboxfunc(3) - Linux man page

Name

glutButtonBoxFunc - Sets a button-box button callback.

Library

OpenGLUT - input

Synopsis

#include <openglut.h>

void

glutButtonBoxFunc(void( *callback )( int button, int state ));

Parameters

callback Client buttonbox button hook.

Description

A dials-and-buttons box has buttons numbered from 1 to glutDeviceGet( GLUT_NUM_BUTTON_BOX_BUTTONS), inclusive. The parameters callback are the button and its state as either GLUT_UP or GLUT_DOWN .

The callback is bound to the current window .

Caveats

OpenGLUT does not implement button-box support.

Also in contrast, mouse buttons are numbered from 0 in the GLUT API. This is a wrinkle.