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glutspaceballbuttonfunc(3glut) [osx man page]

glutSpaceballButtonFunc(3GLUT)					       GLUT					    glutSpaceballButtonFunc(3GLUT)

NAME
glutSpaceballButtonFunc - sets the Spaceball button callback for the current window. SYNTAX
#include <GLUT/glut.h> void glutSpaceballButtonFunc(void (*func)(int button, int state)); ARGUMENTS
func The new spaceball button callback function. DESCRIPTION
glutSpaceballButtonFunc sets the Spaceball button callback for the current window. The Spaceball button 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 button presses. The button parameter will be the button number (starting at one). The number of available Spaceball buttons can be determined with glutDe- viceGet(GLUT_NUM_SPACEBALL_BUTTONS). The state is either GLUT_UP or GLUT_DOWN indicating whether the callback was due to a release or press respectively. Registering a Spaceball button callback when a Spaceball device is not available is ineffectual and not an error. In this case, no Space- ball button callbacks will be generated. Passing NULL to glutSpaceballButtonFunc disables the generation of Spaceball button callbacks. When a new window is created, no Spaceball button callback is initially registered. SEE ALSO
glutSpaceballMotionFunc, glutSpaceballRotateFunc, glutMouseFunc, glutButtonBoxFunc, glutTabletButtonFunc, glutJoystickFunc, glutDeviceGet AUTHOR
Mark J. Kilgard (mjk@nvidia.com) GLUT
3.7 glutSpaceballButtonFunc(3GLUT)

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glutSpaceballRotateFunc(3GLUT)					       GLUT					    glutSpaceballRotateFunc(3GLUT)

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