src/glut/glx/glut_keyup.c

   1
   2 /* Copyright (c) Mark J. Kilgard, 1997. */
   3
   4 /* This program is freely distributable without licensing fees
   5    and is provided without guarantee or warrantee expressed or
   6    implied. This program is -not- in the public domain. */
   7
   8 #include <stdlib.h>
   9
  10 #include "glutint.h"
  11
  12 /* CENTRY */
  13 void GLUTAPIENTRY
  14 glutKeyboardUpFunc(GLUTkeyboardCB keyboardUpFunc)
  15 {
  16   __glutChangeWindowEventMask(KeyReleaseMask,
  17     keyboardUpFunc != NULL || __glutCurrentWindow->specialUp != NULL);
  18   __glutCurrentWindow->keyboardUp = keyboardUpFunc;
  19 }
  20
  21 void GLUTAPIENTRY
  22 glutSpecialUpFunc(GLUTspecialCB specialUpFunc)
  23 {
  24   __glutChangeWindowEventMask(KeyReleaseMask,
  25     specialUpFunc != NULL || __glutCurrentWindow->keyboardUp != NULL);
  26   __glutCurrentWindow->specialUp = specialUpFunc;
  27 }
  28
  29 /* ENDCENTRY */