ardour/gtk2_ardour/control_point_dialog.cc

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/*
Copyright (C) 2000-2008 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 "control_point_dialog.h"
#include "control_point.h"
#include "automation_line.h"
#include "pbd/i18n.h"
#include <gtkmm/stock.h>
/**
* ControlPointDialog constructor.
*
* @param p ControlPoint to edit.
*/
ControlPointDialog::ControlPointDialog (ControlPoint* p)
: ArdourDialog (_("Control point")),
point_ (p)
{
assert (point_);
double const y_fraction = 1.0 - (p->get_y () / p->line().height ());
value_.set_text (p->line().fraction_to_string (y_fraction));
value_.set_activates_default ();
Gtk::HBox* b = Gtk::manage (new Gtk::HBox ());
b->pack_start (*Gtk::manage (new Gtk::Label (_("Value"))));
b->pack_start (value_);
if (p->line ().get_uses_gain_mapping ()) {
b->pack_start (*Gtk::manage (new Gtk::Label (_("dB"))));
}
get_vbox ()->pack_end (*b);
b->show_all ();
add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
add_button (Gtk::Stock::APPLY, Gtk::RESPONSE_ACCEPT);
set_default_response (Gtk::RESPONSE_ACCEPT);
}
double
ControlPointDialog::get_y_fraction () const
{
return point_->line().string_to_fraction (value_.get_text ());
}