DRC | 2ff39b8 | 2011-07-28 08:38:59 +0000 | [diff] [blame^] | 1 | // |
| 2 | // "$Id: Fl_display.cxx 7903 2010-11-28 21:06:39Z matt $" |
| 3 | // |
| 4 | // Display function for the Fast Light Tool Kit (FLTK). |
| 5 | // |
| 6 | // Copyright 1998-2010 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
| 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 | |
| 35 | /** |
| 36 | Sets the X display to use for all windows. Actually this just sets |
| 37 | the environment variable $DISPLAY to the passed string, so this only |
| 38 | works before you show() the first window or otherwise open the display, |
| 39 | and does nothing useful under WIN32. |
| 40 | */ |
| 41 | void Fl::display(const char *d) { |
| 42 | #if defined(__APPLE__) || defined(WIN32) |
| 43 | (void)d; |
| 44 | #else |
| 45 | static char e[1024]; |
| 46 | strcpy(e,"DISPLAY="); |
| 47 | strlcat(e,d,sizeof(e)); |
| 48 | for (char *c = e+8; *c!=':'; c++) { |
| 49 | if (!*c) { |
| 50 | strlcat(e,":0.0",sizeof(e)); |
| 51 | break; |
| 52 | } |
| 53 | } |
| 54 | putenv(e); |
| 55 | #endif // __APPLE__ |
| 56 | } |
| 57 | |
| 58 | // |
| 59 | // End of "$Id: Fl_display.cxx 7903 2010-11-28 21:06:39Z matt $". |
| 60 | // |