// // "$Id$" // // Display function for the Fast Light Tool Kit (FLTK). // // Copyright 1998-2009 by Bill Spitzak and others. // // This library is free software; you can redistribute it and/or // modify it under the terms of the GNU Library General Public // License as published by the Free Software Foundation; either // version 2 of the License, or (at your option) any later version. // // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU // Library General Public License for more details. // // You should have received a copy of the GNU Library General Public // License along with this library; if not, write to the Free Software // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 // USA. // // Please report all bugs and problems on the following page: // // http://www.fltk.org/str.php // // Startup method to set what display to use. // Using setenv makes programs that are exec'd use the same display. #include <FL/Fl.H> #include <stdlib.h> #include "flstring.h" /** Sets the X display to use for all windows. Actually this just sets the environment variable $DISPLAY to the passed string, so this only works before you show() the first window or otherwise open the display, and does nothing useful under WIN32. */ void Fl::display(const char *d) { #if defined(__APPLE__) || defined(WIN32) (void)d; #else static char e[1024]; strcpy(e,"DISPLAY="); strlcat(e,d,sizeof(e)); for (char *c = e+8; *c!=':'; c++) { if (!*c) { strlcat(e,":0.0",sizeof(e)); break; } } putenv(e); #endif // __APPLE__ } // // End of "$Id$". //