/* help.cpp
 * implements the stuff under Help in the menubar
 *
 * for Denemo, a gtk+ frontend to GNU Lilypond
 * (c) 2000-2005 Matthew Hiller
 */

#include <denemo/denemo.h>
#include "config.h"
#include "binreloc.h"
#include <string.h>		/* for strlen */
/* The tutorial mentioned that the actual gchar * held within a
 * GtkText widget needs to be freed.  I don't do such a free, though,
 * so I think this function has a memory leak in it. */

/** 
 * Create the about dialog
 *
 */
void
about (GtkAction * action, gpointer callback_data)
{
  GtkWidget *dialog;
  const char *authors[] = { "Matthew Hiller", "Adam Tee", NULL };

  dialog = gtk_about_dialog_new ();
  gtk_about_dialog_set_name (GTK_ABOUT_DIALOG (dialog), _("Denemo"));
  gtk_about_dialog_set_comments (GTK_ABOUT_DIALOG (dialog),
				 _("The GNU graphical score editor"));
  gtk_about_dialog_set_version (GTK_ABOUT_DIALOG (dialog), VERSION);
  gtk_about_dialog_set_website (GTK_ABOUT_DIALOG (dialog),
				"http://denemo.sourceforge.net");
  gtk_about_dialog_set_website_label (GTK_ABOUT_DIALOG (dialog),
				      _("Denemo website"));
  gtk_about_dialog_set_license (GTK_ABOUT_DIALOG (dialog),
				_
				("(c) 1999, 2000, 2001 Matthew Hiller, Adam Tee, and others.\n\n\
http://www.gnu.org/software/denemo/denemo.html\n\n\
This program is licensed under the terms of the GNU\n\
General Public License and is provided with absolutely\n\
NO WARRANTY; see the file COPYING for details."));


  gtk_about_dialog_set_authors (GTK_ABOUT_DIALOG (dialog), authors);
  gtk_widget_show_all (dialog);
}


/** 
 * Function to allow browsing the user manual
 * uses the given web browser to display the manual
 */
void
browse_manual (GtkAction * action, DenemoGUI * gui)
{


  gint retval;
  // struct scoreinfo *si; 
  GError *error = NULL;
  gchar **argv;
  gchar *cmd;
  gchar *data_dir = gbr_find_data_dir (PKGDATADIR);
  gchar *path =
    g_strdup_printf ("file://%s/manual/denemo-manual.html", data_dir);
  gchar *argument = g_shell_quote (path);


  //g_print("PKGDATADIR %s\n", PKGDATADIR);

  cmd = g_strconcat (gui->prefs->browser->str, " ", argument, NULL);
  g_free (argument);
  if (!g_shell_parse_argv (cmd, NULL, &argv, &error))
    {
      g_message (_("Could not parse specified web browser : %s\n"),
		 error->message);
      g_error_free (error);
      return;
    }
  retval = g_spawn_async (NULL, argv, NULL,
			  G_SPAWN_SEARCH_PATH, NULL, NULL, NULL, &error);
  if (!retval)
    {
      g_message (_("Could not execute specified web browser:\n%s"),
		 error->message);
      g_error_free (error);
    }

  //g_free (browser);
  g_free (path);
  g_free (cmd);
  g_strfreev (argv);



}