glut_fullscrn.c revision c041511d 
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#include <X11/Xatom.h>
18#endif
19
20/* SGI optimization introduced in IRIX 6.3 to avoid X server
21   round trips for interning common X atoms. */
22#if defined(_SGI_EXTRA_PREDEFINES) && !defined(NO_FAST_ATOMS)
23#include <X11/SGIFastAtom.h>
24#else
25#define XSGIFastInternAtom(dpy,string,fast_name,how) XInternAtom(dpy,string,how)
26#endif
27
28#include "glutint.h"
29
30/* CENTRY */
31void GLUTAPIENTRY
32glutFullScreen(void)
33{
34  assert(!__glutCurrentWindow->parent);
35  IGNORE_IN_GAME_MODE();
36#if !defined(_WIN32)
37  if (__glutMotifHints == None) {
38    __glutMotifHints = XSGIFastInternAtom(__glutDisplay, "_MOTIF_WM_HINTS",
39      SGI_XA__MOTIF_WM_HINTS, 0);
40    if (__glutMotifHints == None) {
41      __glutWarning("Could not intern X atom for _MOTIF_WM_HINTS.");
42    }
43  }
44#endif
45
46  __glutCurrentWindow->desiredX = 0;
47  __glutCurrentWindow->desiredY = 0;
48  __glutCurrentWindow->desiredWidth = __glutScreenWidth;
49  __glutCurrentWindow->desiredHeight = __glutScreenHeight;
50  __glutCurrentWindow->desiredConfMask |= CWX | CWY | CWWidth | CWHeight;
51
52  __glutPutOnWorkList(__glutCurrentWindow,
53    GLUT_CONFIGURE_WORK | GLUT_FULL_SCREEN_WORK);
54}
55
56/* ENDCENTRY */
57