glut_modifier.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, 1994. */
- /* 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 "glutint.h"
- /* CENTRY */
- int APIENTRY
- glutGetModifiers(void)
- {
- int modifiers;
- if(__glutModifierMask == (unsigned int) ~0) {
- __glutWarning(
- "glutCurrentModifiers: do not call outside core input callback.");
- return 0;
- }
- modifiers = 0;
- if(__glutModifierMask & (ShiftMask|LockMask))
- modifiers |= GLUT_ACTIVE_SHIFT;
- if(__glutModifierMask & ControlMask)
- modifiers |= GLUT_ACTIVE_CTRL;
- if(__glutModifierMask & Mod1Mask)
- modifiers |= GLUT_ACTIVE_ALT;
- return modifiers;
- }
- /* ENDCENTRY */