glut_fullscrn.c revision 553f1899 
1
2/* Copyright (c) Mark J. Kilgard, 1995, 1998. */
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#ifdef __VMS
9#include <GL/vms_x_fix.h>
10#endif
11
12#include <stdio.h>  /* SunOS multithreaded assert() needs <stdio.h>.  Lame. */
13#include <assert.h>
14
15#if !defined(_WIN32)
16#include <X11/Xlib.h>
17#endif
18
19/* SGI optimization introduced in IRIX 6.3 to avoid X server
20   round trips for interning common X atoms. */
21#if defined(_SGI_EXTRA_PREDEFINES) && !defined(NO_FAST_ATOMS)
22#include <X11/SGIFastAtom.h>
23#else
24#define XSGIFastInternAtom(dpy,string,fast_name,how) XInternAtom(dpy,string,how)
25#endif
26
27#include "glutint.h"
28
29/* CENTRY */
30void GLUTAPIENTRY
31glutFullScreen(void)
32{
33  assert(!__glutCurrentWindow->parent);
34  IGNORE_IN_GAME_MODE();
35#if !defined(_WIN32)
36  if (__glutMotifHints == None) {
37    __glutMotifHints = XSGIFastInternAtom(__glutDisplay, "_MOTIF_WM_HINTS",
38      SGI_XA__MOTIF_WM_HINTS, 0);
39    if (__glutMotifHints == None) {
40      __glutWarning("Could not intern X atom for _MOTIF_WM_HINTS.");
41    }
42  }
43#endif
44
45  __glutCurrentWindow->desiredX = 0;
46  __glutCurrentWindow->desiredY = 0;
47  __glutCurrentWindow->desiredWidth = __glutScreenWidth;
48  __glutCurrentWindow->desiredHeight = __glutScreenHeight;
49  __glutCurrentWindow->desiredConfMask |= CWX | CWY | CWWidth | CWHeight;
50
51  __glutPutOnWorkList(__glutCurrentWindow,
52    GLUT_CONFIGURE_WORK | GLUT_FULL_SCREEN_WORK);
53}
54
55/* ENDCENTRY */
56