1 //
2 // "$Id: Fl_display.cxx 5190 2006-06-09 16:16:34Z mike $"
3 //
4 // Display function for the Fast Light Tool Kit (FLTK).
5 //
6 // Copyright 1998-2005 by Bill Spitzak and others.
7 //
8 // This library is free software; you can redistribute it and/or
9 // modify it under the terms of the GNU Library General Public
10 // License as published by the Free Software Foundation; either
11 // version 2 of the License, or (at your option) any later version.
12 //
13 // This library is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16 // Library General Public License for more details.
17 //
18 // You should have received a copy of the GNU Library General Public
19 // License along with this library; if not, write to the Free Software
20 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
21 // USA.
22 //
23 // Please report all bugs and problems on the following page:
24 //
25 //     http://www.fltk.org/str.php
26 //
27 
28 // Startup method to set what display to use.
29 // Using setenv makes programs that are exec'd use the same display.
30 
31 #include <FL/Fl.H>
32 #include <stdlib.h>
33 #include "flstring.h"
34 
display(const char * d)35 void Fl::display(const char *d) {
36 #if defined(__APPLE__) || defined(WIN32)
37   (void)d;
38 #else
39   static char e[1024];
40   strcpy(e,"DISPLAY=");
41   strlcat(e,d,sizeof(e));
42   for (char *c = e+8; *c!=':'; c++) {
43     if (!*c) {
44       strlcat(e,":0.0",sizeof(e));
45       break;
46     }
47   }
48   putenv(e);
49 #endif // __APPLE__
50 }
51 
52 //
53 // End of "$Id: Fl_display.cxx 5190 2006-06-09 16:16:34Z mike $".
54 //
55