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Man Pages


Manual Reference Pages  -  GLUTSPACEBALLROTATEFUNC (3)

NAME

glutSpaceballRotateFunc - sets the Spaceball rotation callback for the current window.

CONTENTS

Syntax
Arguments
Description
See Also
Author

SYNTAX


void glutSpaceballRotateFunc(void (*func)(int x, int y, int z));

ARGUMENTS

func The new spaceball rotate callback function.

DESCRIPTION

glutSpaceballRotateFunc sets the Spaceball rotate callback for the current window. The Spaceball rotate callback for a window is called when the window has Spaceball input focus (normally, when the mouse is in the window) and the user generates Spaceball rotations. The x, y, and z callback parameters indicate the rotation along the X, Y, and Z axes. The callback parameters are normalized to be within the range of -1800 to 1800 inclusive.
Registering a Spaceball rotate callback when a Spaceball device is not available is ineffectual and not an error. In this case, no Spaceball rotate callbacks will be generated.
Passing NULL to glutSpaceballRotateFunc disables the generation of Spaceball rotate callbacks. When a new window is created, no Spaceball rotate callback is initially registered.

SEE ALSO

glutSpaceballMotionFunc, glutSpaceballButtonFunc, glutMotionFunc, glutTabletMotionFunc, glutJoystickFunc, glutDeviceGet

AUTHOR

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

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