glutButtonBoxFunc.man
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上传日期:2007-05-28
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- ."
- ." Copyright (c) Mark J. Kilgard, 1996.
- ."
- .TH glutButtonBoxFunc 3GLUT "3.7" "GLUT" "GLUT"
- .SH NAME
- glutButtonBoxFunc - sets the dial & button box button callback for the current window.
- .SH SYNTAX
- .nf
- .LP
- void glutButtonBoxFunc(void (*func)(int button, int state));
- .fi
- .SH ARGUMENTS
- .IP fIfuncfP 1i
- The new button box callback function.
- .SH DESCRIPTION
- glutButtonBoxFunc sets the dial & button box button callback for the
- current window. The dial & button box button callback for a window is
- called when the window has dial & button box input focus (normally,
- when the mouse is in the window) and the user generates dial & button
- box button presses. The button parameter will be the button number
- (starting at one). The number of available dial & button box buttons can
- be determined with
- glutDeviceGet(GLUT_NUM_BUTTON_BOX_BUTTONS). The state is
- either GLUT_UP or GLUT_DOWN indicating whether the callback was due
- to a release or press respectively.
-
- Registering a dial & button box button callback when a dial & button
- box device is not available is ineffectual and not an error. In this case, no
- dial & button box button callbacks will be generated.
-
- Passing NULL to glutButtonBoxFunc disables the generation of dial &
- button box button callbacks. When a new window is created, no dial &
- button box button callback is initially registered.
- .SH SEE ALSO
- glutDialsFunc, glutDeviceGet, glutSpaceballButtonFunc, glutTabletButtonFunc
- .SH AUTHOR
- Mark J. Kilgard (mjk@nvidia.com)