Mercurial > octave
view libinterp/corefcn/display.cc @ 23083:e9a0469dedd9 stable
maint: strip extra trailing newlines from files.
author | John W. Eaton <jwe@octave.org> |
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date | Fri, 20 Jan 2017 12:19:08 -0500 |
parents | 34ce5be04942 |
children | ef4d915df748 3ac9f9ecfae5 |
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/* Copyright (C) 2009-2016 John W. Eaton This file is part of Octave. Octave is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. Octave 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 General Public License for more details. You should have received a copy of the GNU General Public License along with Octave; see the file COPYING. If not, see <http://www.gnu.org/licenses/>. */ #if defined (HAVE_CONFIG_H) # include "config.h" #endif #include "singleton-cleanup.h" #include "cdisplay.h" #include "display.h" #include "error.h" display_info *display_info::instance = 0; void display_info::init (bool query) { if (query) { int avail = 0; const char *msg = octave_get_display_info (&ht, &wd, &dp, &rx, &ry, &avail); dpy_avail = avail; if (msg) err_msg = msg; } } bool display_info::instance_ok (bool query) { bool retval = true; if (! instance) { instance = new display_info (query); if (instance) singleton_cleanup_list::add (cleanup_instance); } if (! instance) error ("unable to create display_info object!"); return retval; }