quantize_dialog.cc

Go to the documentation of this file.

/*
   Copyright (C) 2009 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 <gtkmm/stock.h>
#include <gtkmm/table.h>
#include "gtkmm2ext/utils.h"

#include "pbd/convert.h"
#include "quantize_dialog.h"
#include "public_editor.h"

#include "i18n.h"

using namespace std;
using namespace Gtk;
using namespace Gtkmm2ext;
using namespace ARDOUR;

static const gchar *_grid_strings[] = {
        N_("main grid"),
        N_("Beats/128"),
        N_("Beats/64"),
        N_("Beats/32"),
        N_("Beats/16"),
        N_("Beats/8"),
        N_("Beats/4"),
        N_("Beats/3"),
        N_("Beats/2"),
        N_("Beats"),
        0
};

std::vector<std::string> QuantizeDialog::grid_strings;

QuantizeDialog::QuantizeDialog (PublicEditor& e)
        : ArdourDialog (_("Quantize"), false, false)
        , editor (e)
        , strength_adjustment (100.0, 0.0, 100.0, 1.0, 10.0)
        , strength_spinner (strength_adjustment)
        , strength_label (_("Strength"))
        , swing_adjustment (100.0, -130.0, 130.0, 1.0, 10.0)
        , swing_spinner (swing_adjustment)
        , swing_button (_("Swing"))
        , threshold_adjustment (0.0, -Timecode::BBT_Time::ticks_per_beat, Timecode::BBT_Time::ticks_per_beat, 1.0, 10.0)
        , threshold_spinner (threshold_adjustment)
        , threshold_label (_("Threshold (ticks)"))
        , snap_start_button (_("Snap note start"))
        , snap_end_button (_("Snap note end"))
{
        if (grid_strings.empty()) {
                grid_strings =  I18N (_grid_strings);
        }

        set_popdown_strings (start_grid_combo, grid_strings);
        start_grid_combo.set_active_text (grid_strings.front());
        set_popdown_strings (end_grid_combo, grid_strings);
        end_grid_combo.set_active_text (grid_strings.front());

        Table* table = manage (new Table (6, 2));
        table->set_spacings (12);
        table->set_border_width (12);

        int r = 0;

        table->attach (snap_start_button, 0, 1, r, r + 1);
        table->attach (start_grid_combo, 1, 2, r, r + 1);
        ++r;

        table->attach (snap_end_button, 0, 1, r, r + 1);
        table->attach (end_grid_combo, 1, 2, r, r + 1);
        ++r;

        threshold_label.set_alignment (0, 0.5);
        table->attach (threshold_label, 0, 1, r, r + 1);
        table->attach (threshold_spinner, 1, 2, r, r + 1);
        ++r;

        strength_label.set_alignment (0, 0.5);
        table->attach (strength_label, 0, 1, r, r + 1);
        table->attach (strength_spinner, 1, 2, r, r + 1);
        ++r;

        table->attach (swing_button, 0, 1, r, r + 1);
        table->attach (swing_spinner, 1, 2, r, r + 1);

        snap_start_button.set_active (true);
        snap_end_button.set_active (false);

        get_vbox()->pack_start (*table);
        show_all ();

        add_button (Stock::CANCEL, RESPONSE_CANCEL);
        add_button (_("Quantize"), RESPONSE_OK);
}

QuantizeDialog::~QuantizeDialog()
{
}

double
QuantizeDialog::start_grid_size () const
{
        return grid_size_to_musical_time (start_grid_combo.get_active_text ());
}

double
QuantizeDialog::end_grid_size () const
{
        return grid_size_to_musical_time (start_grid_combo.get_active_text ());
}

double
QuantizeDialog::grid_size_to_musical_time (const string& txt) const
{
        if (txt == "main grid") {
                bool success;

                Evoral::Beats b = editor.get_grid_type_as_beats (success, 0);
                if (!success) {
                        return 1.0;
                }
                return b.to_double();
        }

        if (txt == _("Beats/128")) {
                return 1.0/128.0;
        } else if (txt == _("Beats/64")) {
                return 1.0/64.0;
        } else if (txt == _("Beats/32")) {
                return 1.0/32.0;
        } else if (txt == _("Beats/16")) {
                return 1.0/16.0;
        } if (txt == _("Beats/8")) {
                return 1.0/8.0;
        } else if (txt == _("Beats/4")) {
                return 1.0/4.0;
        } else if (txt == _("Beats/3")) {
                return 1.0/3.0;
        } else if (txt == _("Beats/2")) {
                return 1.0/2.0;
        } else if (txt == _("Beats")) {
                return 1.0;
        }

        return 1.0;
}

float
QuantizeDialog::swing () const
{
        if (!swing_button.get_active()) {
                return 0.0f;
        }

        return swing_adjustment.get_value ();
}

float
QuantizeDialog::strength () const
{
        return strength_adjustment.get_value ();
}

float
QuantizeDialog::threshold () const
{
        return threshold_adjustment.get_value ();
}