glut_keyup.c
上传用户:xk288cn
上传日期:2007-05-28
资源大小:4876k
文件大小:1k
- /* Copyright (c) Mark J. Kilgard, 1997. */
- /* This program is freely distributable without licensing fees
- and is provided without guarantee or warrantee expressed or
- implied. This program is -not- in the public domain. */
- #include <stdlib.h>
- #include "glutint.h"
- /* CENTRY */
- void APIENTRY
- glutKeyboardUpFunc(GLUTkeyboardCB keyboardUpFunc)
- {
- __glutChangeWindowEventMask(KeyReleaseMask,
- keyboardUpFunc != NULL || __glutCurrentWindow->specialUp != NULL);
- __glutCurrentWindow->keyboardUp = keyboardUpFunc;
- }
- void APIENTRY
- glutSpecialUpFunc(GLUTspecialCB specialUpFunc)
- {
- __glutChangeWindowEventMask(KeyReleaseMask,
- specialUpFunc != NULL || __glutCurrentWindow->keyboardUp != NULL);
- __glutCurrentWindow->specialUp = specialUpFunc;
- }
- /* ENDCENTRY */