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editor_audiotrack.cc

/*
    Copyright (C) 2000-2007 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 <ardour/location.h>
#include <ardour/audio_diskstream.h>

#include "ardour_ui.h"
#include "editor.h"
#include "editing.h"
#include "audio_time_axis.h"
#include "region_view.h"
#include "selection.h"

#include "i18n.h"

using namespace ARDOUR;
using namespace PBD;

void
Editor::set_show_waveforms (bool yn)
{
      AudioTimeAxisView* atv;

      if (_show_waveforms != yn) {
            _show_waveforms = yn;
            for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
                  if ((atv = dynamic_cast<AudioTimeAxisView*>(*i)) != 0) {
                        atv->set_show_waveforms (yn);
                  }
            }
      }
}

void
Editor::set_show_waveforms_recording (bool yn)
{
      AudioTimeAxisView* atv;

      if (_show_waveforms_recording != yn) {
            _show_waveforms_recording = yn;
            for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
                  if ((atv = dynamic_cast<AudioTimeAxisView*>(*i)) != 0) {
                        atv->set_show_waveforms_recording (yn);
                  }
            }
      }
}

void
Editor::set_show_waveforms_rectified (bool yn)
{
      AudioTimeAxisView* atv;

      if (_show_waveforms_rectified != yn) {
            _show_waveforms_rectified = yn;
            for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
                  if ((atv = dynamic_cast<AudioTimeAxisView*>(*i)) != 0) {
                        atv->set_show_waveforms_rectified (yn);
                  }
            }
      }
}

gint
Editor::start_updating ()
{
      AudioTimeAxisView* atv;

      //cerr << "Editor::start_updating () called" << endl;//DEBUG
      if (is_mapped() && session) {
            for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
                  if ((atv = dynamic_cast<AudioTimeAxisView*>(*i)) != 0) {
                        atv->reset_meter ();
                  }
            }
      }

      if (!meters_running) {
            fast_screen_update_connection = ARDOUR_UI::SuperRapidScreenUpdate.connect (mem_fun(*this, &Editor::fast_update_strips));
            meters_running = true;
      }
    return 0;
}

gint
Editor::stop_updating ()
{
      AudioTimeAxisView* atv;
      
      meters_running = false;
      fast_screen_update_connection.disconnect();
      //cerr << "Editor::stop_updating () called" << endl;//DEBUG
      if (is_mapped() && session) {
            for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
                  if ((atv = dynamic_cast<AudioTimeAxisView*>(*i)) != 0) {
                        atv->hide_meter ();
                  }
            }
      }

    return 0;
}

void
Editor::toggle_meter_updating()
{
      if (Config->get_show_track_meters()) {
            start_updating();
      } else {
            stop_updating ();
      }
      track_canvas_allocate(track_canvas->get_allocation());
}

void
Editor::fast_update_strips ()
{
      AudioTimeAxisView* atv;

      if (is_mapped() && session) {
            for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
                  if ((atv = dynamic_cast<AudioTimeAxisView*>(*i)) != 0) {
                        atv->fast_update ();
                  }
            }
      }
}


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