2 Copyright (C) 2007 Paul Davis
3 Author: David Robillard
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 #include "pbd/error.h"
26 #include "ardour/automatable.h"
27 #include "ardour/automation_control.h"
28 #include "ardour/session.h"
30 #include "ardour_ui.h"
32 #include "automation_controller.h"
33 #include "gui_thread.h"
37 using namespace ARDOUR;
40 AutomationController::AutomationController(boost::shared_ptr<Automatable> printer, boost::shared_ptr<AutomationControl> ac, Adjustment* adj)
41 : BarController (*adj, ac)
42 , _ignore_change(false)
49 set_name (X_("PluginSlider")); // FIXME: get yer own name!
50 set_style (BarController::LeftToRight);
51 set_use_parent (true);
53 StartGesture.connect (sigc::mem_fun(*this, &AutomationController::start_touch));
54 StopGesture.connect (sigc::mem_fun(*this, &AutomationController::end_touch));
56 _adjustment->signal_value_changed().connect (
57 sigc::mem_fun(*this, &AutomationController::value_adjusted));
59 _screen_update_connection = ARDOUR_UI::RapidScreenUpdate.connect (
60 sigc::mem_fun (*this, &AutomationController::display_effective_value));
62 ac->Changed.connect (_changed_connection, invalidator (*this), boost::bind (&AutomationController::value_changed, this), gui_context());
65 AutomationController::~AutomationController()
69 boost::shared_ptr<AutomationController>
70 AutomationController::create(
71 boost::shared_ptr<Automatable> printer,
72 const Evoral::Parameter& param,
73 boost::shared_ptr<AutomationControl> ac)
75 Gtk::Adjustment* adjustment = manage (
77 ac->internal_to_interface (param.normal()),
78 ac->internal_to_interface (param.min()),
79 ac->internal_to_interface (param.max()),
80 (param.max() - param.min()) / 100.0,
81 (param.max() - param.min()) / 10.0
86 assert(ac->parameter() == param);
87 return boost::shared_ptr<AutomationController>(new AutomationController(printer, ac, adjustment));
91 AutomationController::get_label (double& xpos)
94 return _printer->value_as_string (_controllable);
98 AutomationController::display_effective_value()
100 double const interface_value = _controllable->internal_to_interface (_controllable->get_value());
102 if (_adjustment->get_value () != interface_value) {
103 _ignore_change = true;
104 _adjustment->set_value (interface_value);
105 _ignore_change = false;
110 AutomationController::value_adjusted ()
112 if (!_ignore_change) {
113 _controllable->set_value (_controllable->interface_to_internal (_adjustment->get_value()));
118 AutomationController::start_touch()
120 _controllable->start_touch (_controllable->session().transport_frame());
124 AutomationController::end_touch ()
126 if (_controllable->automation_state() == Touch) {
131 if (_controllable->session().transport_rolling()) {
133 when = _controllable->session().transport_frame();
136 _controllable->stop_touch (mark, when);
141 AutomationController::value_changed ()
143 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&AutomationController::display_effective_value, this));
146 /** Stop updating our value from our controllable */
148 AutomationController::stop_updating ()
150 _screen_update_connection.disconnect ();