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glutspaceballrotatefunc(3glut) [mojave man page]

glutSpaceballRotateFunc(3GLUT)					       GLUT					    glutSpaceballRotateFunc(3GLUT)

NAME
glutSpaceballRotateFunc - sets the Spaceball rotation callback for the current window. SYNTAX
#include <GLUT/glut.h> 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 Space- ball 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) GLUT
3.7 glutSpaceballRotateFunc(3GLUT)

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glutSpaceballMotionFunc(3GLUT)					       GLUT					    glutSpaceballMotionFunc(3GLUT)

NAME
glutSpaceballMotionFunc - sets the Spaceball motion callback for the current window. SYNTAX
void glutSpaceballMotionFunc(void (*func)(int x, int y, int z)); ARGUMENTS
func The new entry callback function. DESCRIPTION
glutSpaceballMotionFunc sets the Spaceball motion callback for the current window. The Spaceball motion 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 translations. The x, y, and z callback parameters indicate the translations along the X, Y, and Z axes. The callback parameters are normalized to be within the range of -1000 to 1000 inclusive. Registering a Spaceball motion callback when a Spaceball device is not available has no effect and is not an error. In this case, no Space- ball motion callbacks will be generated. Passing NULL to glutSpaceballMotionFunc disables the generation of Spaceball motion callbacks. When a new window is created, no Spaceball motion callback is initially registered. SEE ALSO
glutSpaceballRotateFunc, glutSpaceballButtonFunc, glutMotionFunc, glutTabletMotionFunc, glutJoystickFunc, glutDeviceGet AUTHOR
Mark J. Kilgard (mjk@nvidia.com) GLUT
3.7 glutSpaceballMotionFunc(3GLUT)

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