send_ui.cc

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/*
    Copyright (C) 2002 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 <gtkmm2ext/doi.h>

#include "ardour/io.h"
#include "ardour/panner_manager.h"
#include "ardour/send.h"
#include "ardour/rc_configuration.h"

#include "send_ui.h"
#include "io_selector.h"
#include "timers.h"
#include "gui_thread.h"

#include "i18n.h"

using namespace std;
using namespace ARDOUR;
using namespace PBD;

SendUI::SendUI (Gtk::Window* parent, boost::shared_ptr<Send> s, Session* session)
        : _send (s)
        , _gpm (session, 250)
        , _panners (session)
{
        assert (_send);

        _panners.set_panner (s->panner_shell(), s->panner());
        _gpm.set_controls (boost::shared_ptr<Route>(), s->meter(), s->amp());

        _hbox.pack_start (_gpm, true, true);
        set_name (X_("SendUIFrame"));

        _vbox.set_spacing (5);
        _vbox.set_border_width (5);

        _vbox.pack_start (_hbox, false, false, false);
        _vbox.pack_start (_panners, false, false);

        io = Gtk::manage (new IOSelector (parent, session, s->output()));

        pack_start (_vbox, false, false);

        pack_start (*io, true, true);

        io->show ();
        _gpm.show_all ();
        _panners.show_all ();
        _vbox.show ();
        _hbox.show ();

        _send->set_metering (true);

        _send->output()->changed.connect (connections, invalidator (*this), boost::bind (&SendUI::outs_changed, this, _1, _2), gui_context());

        uint32_t const in = _send->pans_required();
        uint32_t const out = _send->pan_outs();

        _panners.set_width (Wide);
        _panners.set_available_panners(PannerManager::instance().PannerManager::get_available_panners(in, out));
        _panners.setup_pan ();

        _gpm.setup_meters ();
        _gpm.set_fader_name (X_("SendUIFader"));

        // screen_update_connection = Timers::rapid_connect (
        //              sigc::mem_fun (*this, &SendUI::update));
        fast_screen_update_connection = Timers::super_rapid_connect (
                        sigc::mem_fun (*this, &SendUI::fast_update));
}

SendUI::~SendUI ()
{
        _send->set_metering (false);

        /* XXX not clear that we need to do this */

        screen_update_connection.disconnect();
        fast_screen_update_connection.disconnect();
}

void
SendUI::outs_changed (IOChange change, void* /*ignored*/)
{
        ENSURE_GUI_THREAD (*this, &SendUI::outs_changed, change, ignored)
        if (change.type & IOChange::ConfigurationChanged) {
                uint32_t const in = _send->pans_required();
                uint32_t const out = _send->pan_outs();
                if (_panners._panner == 0) {
                        _panners.set_panner (_send->panner_shell(), _send->panner());
                }
                _panners.set_available_panners(PannerManager::instance().PannerManager::get_available_panners(in, out));
                _panners.setup_pan ();
                _panners.show_all ();
                _gpm.setup_meters ();
        }
}

void
SendUI::update ()
{
}

void
SendUI::fast_update ()
{
        if (!is_mapped()) {
                return;
        }

        if (Config->get_meter_falloff() > 0.0f) {
                _gpm.update_meters ();
        }
}

SendUIWindow::SendUIWindow (boost::shared_ptr<Send> s, Session* session)
        : ArdourWindow (string (_("Send ")) + s->name())
{
        ui = new SendUI (this, s, session);

        hpacker.pack_start (*ui, true, true);

        add (hpacker);

        set_name ("SendUIWindow");

        ui->show ();
        hpacker.show ();

}

SendUIWindow::~SendUIWindow ()
{
        delete ui;
}