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Man Pages


Manual Reference Pages  -  GLUTKEYBOARDFUNC (3)

NAME

glutKeyboardFunc - sets the keyboard callback for the current window.

CONTENTS

Syntax
Arguments
Description
See Also
Author

SYNTAX


void glutKeyboardFunc(void (*func)(unsigned char key, int x, int y));

ARGUMENTS

func The new keyboard callback function.

DESCRIPTION

glutKeyboardFunc sets the keyboard callback for the current window. When a user types into the window, each key press generating an ASCII character will generate a keyboard callback. The key callback parameter is the generated ASCII character. The state of modifier keys such as Shift cannot be determined directly; their only effect will be on the returned ASCII data. The x and y callback parameters indicate the mouse location in window relative coordinates when the key was pressed. When a new window is created, no keyboard callback is initially registered, and ASCII key strokes in the window are ignored. Passing NULL to glutKeyboardFunc disables the generation of keyboard callbacks.
During a keyboard callback, glutGetModifiers may be called to determine the state of modifier keys when the keystroke generating the callback occurred.
Use glutSpecialFunc for a means to detect non-ASCII key strokes.

SEE ALSO

glutKeyboardUpFunc, glutSpecialFunc, glutCreateWindow, glutMouseFunc, glutSpaceballButtonFunc, glutButtonBoxFunc, glutTabletButtonFunc, glutGetModifiers

AUTHOR

Mark J. Kilgard (mjk@nvidia.com)
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GLUT GLUTKEYBOARDFUNC (3GLUT) 3.7

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