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/*
 * This file is part of the GROMACS molecular simulation package.
 *
 * Copyright (c) 1991-2000, University of Groningen, The Netherlands.
 * Copyright (c) 2001-2004, The GROMACS development team.
 * Copyright (c) 2013,2014,2015, by the GROMACS development team, led by
 * Mark Abraham, David van der Spoel, Berk Hess, and Erik Lindahl,
 * and including many others, as listed in the AUTHORS file in the
 * top-level source directory and at http://www.gromacs.org.
 *
 * GROMACS is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 2.1
 * of the License, or (at your option) any later version.
 *
 * GROMACS 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with GROMACS; if not, see
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 *
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 * consider code for inclusion in the official distribution, but
 * derived work must not be called official GROMACS. Details are found
 * in the README & COPYING files - if they are missing, get the
 * official version at http://www.gromacs.org.
 *
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 */
/*! \file
 * \brief
 * Provides function to open output files automatically (with some X11
 * programs).
 *
 * \inpublicapi
 * \ingroup module_commandline
 */
#ifndef GMX_COMMANDLINE_VIEWIT_H
#define GMX_COMMANDLINE_VIEWIT_H

struct gmx_output_env_t;
struct t_filenm;

/*! \brief
 * Executes an external (X11) command to view a file.
 *
 * Currently eps, xpm, xvg and pdb are supported.
 * Default programs are provided, can be overriden with environment vars
 * (but note that if the caller provides program-specific \p opts, setting the
 * environment variable most likely breaks things).
 */
void do_view(const gmx_output_env_t *oenv, const char *fn, const char *opts);

/*! \brief
 * Calls do_view() for all viewable output files.
 */
void view_all(const gmx_output_env_t *oenv, int nf, t_filenm fnm[]);

#endif