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/*
    Copyright (C) 2001-2007 Paul Davis
    
    This program 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 2 of the License, or
    (at your option) any later version.

    This program 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 this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

*/

#include <cstdlib>

#include <sigc++/bind.h>
#include <gtkmm/settings.h>
#include <glibmm/ustring.h>

#include <pbd/error.h>
#include <pbd/textreceiver.h>
#include <pbd/failed_constructor.h>
#include <pbd/pthread_utils.h>

#include <jack/jack.h>

#include <ardour/version.h>
#include <ardour/ardour.h>
#include <ardour/audioengine.h>

#include <gtkmm/main.h>
#include <gtkmm2ext/popup.h>
#include <gtkmm2ext/utils.h>

#include "svn_revision.h"
#include "version.h"
#include "ardour_ui.h"
#include "opts.h"
#include "enums.h"

#include "i18n.h"

using namespace Gtk;
using namespace ARDOUR_COMMAND_LINE;
using namespace ARDOUR;
using namespace PBD;
using namespace sigc;

TextReceiver text_receiver ("ardour");

extern int curvetest (string);

static ARDOUR_UI  *ui = 0;
static char* localedir = LOCALEDIR;

#ifdef __APPLE__

#include <mach-o/dyld.h>
#include <sys/param.h>
#include <fstream>

void
fixup_bundle_environment ()
{
      if (!getenv ("ARDOUR_BUNDLED")) {
            return;
      }

      char execpath[MAXPATHLEN+1];
      uint32_t pathsz = sizeof (execpath);

      _NSGetExecutablePath (execpath, &pathsz);

      Glib::ustring exec_path (execpath);
      Glib::ustring dir_path = Glib::path_get_dirname (exec_path);
      Glib::ustring path;
      const char *cstr = getenv ("PATH");

      /* ensure that we find any bundled executables (e.g. JACK) */

      path = dir_path;
      if (cstr) {
            path += ':';
            path += cstr;
      }
      setenv ("PATH", path.c_str(), 1);

      path = dir_path;
      path += "/../Resources";
      path += dir_path;
      path += "/../Resources/Surfaces";
      path += dir_path;
      path += "/../Resources/Panners";

      setenv ("ARDOUR_MODULE_PATH", path.c_str(), 1);

      path = dir_path;
      path += "/../Resources/icons:";
      path += dir_path;
      path += "/../Resources/pixmaps:";
      path += dir_path;
      path += "/../Resources/share:";
      path += dir_path;
      path += "/../Resources";

      setenv ("ARDOUR_PATH", path.c_str(), 1);
      setenv ("ARDOUR_CONFIG_PATH", path.c_str(), 1);
      setenv ("ARDOUR_DATA_PATH", path.c_str(), 1);

      cstr = getenv ("LADSPA_PATH");
      if (cstr) {
            path = cstr;
            path += ':';
      }
      path = dir_path;
      path += "/../Plugins";
      
      setenv ("LADSPA_PATH", path.c_str(), 1);

      cstr = getenv ("VAMP_PATH");
      if (cstr) {
            path = cstr;
            path += ':';
      }
      path = dir_path;
      path += "/../Frameworks";
      
      setenv ("VAMP_PATH", path.c_str(), 1);

      cstr = getenv ("ARDOUR_CONTROL_SURFACE_PATH");
      if (cstr) {
            path = cstr;
            path += ':';
      }
      path = dir_path;
      path += "/../Surfaces";
      
      setenv ("ARDOUR_CONTROL_SURFACE_PATH", path.c_str(), 1);

      cstr = getenv ("LV2_PATH");
      if (cstr) {
            path = cstr;
            path += ':';
      }
      path = dir_path;
      path += "/../Plugins";
      
      setenv ("LV2_PATH", path.c_str(), 1);

      path = dir_path;
      path += "/../Frameworks/clearlooks";

      setenv ("GTK_PATH", path.c_str(), 1);

      path = dir_path;
      path += "/../Resources/locale";
      
      localedir = strdup (path.c_str());

      /* write a pango.rc file and tell pango to use it */

      path = dir_path;
      path += "/../Resources/pango.rc";

      std::ofstream pangorc (path.c_str());
      if (!pangorc) {
            error << string_compose (_("cannot open pango.rc file %1") , path) << endmsg;
      } else {
            pangorc << "[Pango]\nModuleFiles=";
            Glib::ustring mpath = dir_path;
            mpath += "/../Resources/pango.modules";
            pangorc << mpath << endl;
            
            pangorc.close ();
            setenv ("PANGO_RC_FILE", path.c_str(), 1);
      }

      // gettext charset aliases

      setenv ("CHARSETALIASDIR", path.c_str(), 1);

      // font config
      
      path = dir_path;
      path += "/../Resources/fonts.conf";

      setenv ("FONTCONFIG_FILE", path.c_str(), 1);

      // GDK Pixbuf loader module file

      path = dir_path;
      path += "/../Resources/gdk-pixbuf.loaders";

      setenv ("GDK_PIXBUF_MODULE_FILE", path.c_str(), 1);

      if (getenv ("ARDOUR_WITH_JACK")) {
            // JACK driver dir
            
            path = dir_path;
            path += "/../Frameworks";
            
            setenv ("JACK_DRIVER_DIR", path.c_str(), 1);
      }
}

#endif

static void
setup_keybindings (ARDOUR_UI* ui)
{
      Glib::ustring path;

      if (keybindings_path.empty()) {
            keybindings_path = "ardour";
      }

      std::string kbpath;
      
      if (keybindings_path.find (".bindings") == string::npos) {

            // just a style name - allow user to
            // specify the layout type. 
            
            char* layout;
            
            if ((layout = getenv ("ARDOUR_KEYBOARD_LAYOUT")) != 0) {
                  keybindings_path += '-';
                  keybindings_path += layout;
            }

            keybindings_path += ".bindings";
      } 

      
      // XXX timbyr - we need a portable test for "is-absolute" here 
      
      if (keybindings_path[0] != '/' && keybindings_path[0] != '.') {

            /* not absolute - look in the usual places */
            
            path = find_config_file (keybindings_path);

            if (path.empty()) {
                  warning << string_compose (_("Key bindings file \"%1\" not found. Default bindings used instead"), 
                                       keybindings_path)
                        << endmsg;
            }

      } else {

            // absolute path from user - use it as is

            path = keybindings_path;
      }

      if (!path.empty()) {
            ui->set_keybindings_path (path);
      }
}

#ifdef VST_SUPPORT
/* this is called from the entry point of a wine-compiled
   executable that is linked against gtk2_ardour built
   as a shared library.
*/
extern "C" {
int ardour_main (int argc, char *argv[])
#else
int main (int argc, char* argv[])
#endif
{
      vector<Glib::ustring> null_file_list;

#ifdef __APPLE__
      fixup_bundle_environment ();
#endif

        Glib::thread_init();
      gtk_set_locale ();

      (void) bindtextdomain (PACKAGE, localedir);
      /* our i18n translations are all in UTF-8, so make sure
         that even if the user locale doesn't specify UTF-8,
         we use that when handling them.
      */
      (void) bind_textdomain_codeset (PACKAGE,"UTF-8");
      (void) textdomain (PACKAGE);

      pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, 0);

      // catch error message system signals ();

      text_receiver.listen_to (error);
      text_receiver.listen_to (info);
      text_receiver.listen_to (fatal);
      text_receiver.listen_to (warning);

      if (parse_opts (argc, argv)) {
            exit (1);
      }

      if (curvetest_file) {
            return curvetest (curvetest_file);
      }
      
      cout << _("Ardour/GTK ") 
           << VERSIONSTRING
           << _("\n   (built using ")
           << ardour_svn_revision
#ifdef __GNUC__
           << _(" and GCC version ") << __VERSION__ 
#endif
           << ')'
           << endl;
      
      if (just_version) {
            exit (0);
      }

      if (no_splash) {
            cerr << _("Copyright (C) 1999-2007 Paul Davis") << endl
                 << _("Some portions Copyright (C) Steve Harris, Ari Johnson, Brett Viren, Joel Baker") << endl
                 << endl
                 << _("Ardour comes with ABSOLUTELY NO WARRANTY") << endl
                 <<     _("not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.") << endl
                 << _("This is free software, and you are welcome to redistribute it ") << endl
                 << _("under certain conditions; see the source for copying conditions.")
                 << endl;
      }

      /* some GUI objects need this */

      PBD::ID::init ();

        try { 
            ui = new ARDOUR_UI (&argc, &argv);
      } catch (failed_constructor& err) {
            error << _("could not create ARDOUR GUI") << endmsg;
            exit (1);
      }

      setup_keybindings (ui);

      ui->run (text_receiver);
      ui = 0;

      ARDOUR::cleanup ();
      pthread_cancel_all ();
      return 0;
}
#ifdef VST_SUPPORT
} // end of extern C block
#endif


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