51 lines
1.2 KiB
C++
51 lines
1.2 KiB
C++
//
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// "$Id$"
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//
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// Display function for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 1998-2010 by Bill Spitzak and others.
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//
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// This library is free software. Distribution and use rights are outlined in
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// the file "COPYING" which should have been included with this file. If this
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// file is missing or damaged, see the license at:
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//
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// http://www.fltk.org/COPYING.php
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//
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// Please report all bugs and problems on the following page:
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//
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// http://www.fltk.org/str.php
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//
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// Startup method to set what display to use.
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// Using setenv makes programs that are exec'd use the same display.
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#include <FL/Fl.H>
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#include <stdlib.h>
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#include "flstring.h"
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/**
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Sets the X display to use for all windows. Actually this just sets
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the environment variable $DISPLAY to the passed string, so this only
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works before you show() the first window or otherwise open the display,
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and does nothing useful under WIN32.
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*/
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void Fl::display(const char *d) {
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#if defined(__APPLE__) || defined(WIN32)
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(void)d;
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#else
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static char e[1024];
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strcpy(e,"DISPLAY=");
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strlcat(e,d,sizeof(e));
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for (char *c = e+8; *c!=':'; c++) {
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if (!*c) {
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strlcat(e,":0.0",sizeof(e));
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break;
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}
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}
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putenv(e);
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#endif // __APPLE__
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}
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//
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// End of "$Id$".
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//
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