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| 1 | /* $Id: glut_modifier.c,v 1.2 2000-02-09 08:46:14 jeroen Exp $ */
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| 2 | /* Copyright (c) Mark J. Kilgard, 1994. */
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| 3 |
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| 4 | /* This program is freely distributable without licensing fees
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| 5 | and is provided without guarantee or warrantee expressed or
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| 6 | implied. This program is -not- in the public domain. */
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| 7 |
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| 8 | #include "glutint.h"
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| 9 |
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| 10 | /* CENTRY */
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| 11 | int APIENTRY
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| 12 | glutGetModifiers(void)
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| 13 | {
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| 14 | int modifiers;
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| 15 |
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| 16 | if(__glutModifierMask == (unsigned int) ~0) {
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| 17 | __glutWarning(
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| 18 | "glutCurrentModifiers: do not call outside core input callback.");
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| 19 | return 0;
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| 20 | }
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| 21 | modifiers = 0;
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| 22 | if(__glutModifierMask & (ShiftMask|LockMask))
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| 23 | modifiers |= GLUT_ACTIVE_SHIFT;
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| 24 | if(__glutModifierMask & ControlMask)
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| 25 | modifiers |= GLUT_ACTIVE_CTRL;
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| 26 | if(__glutModifierMask & Mod1Mask)
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| 27 | modifiers |= GLUT_ACTIVE_ALT;
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| 28 | return modifiers;
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| 29 | }
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| 30 |
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| 31 | /* ENDCENTRY */
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