2 Copyright (C) 2007 Paul Davis
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.
22 #include "pbd/error.h"
23 #include "ardour/automation_list.h"
24 #include "ardour/automation_control.h"
25 #include "ardour/event_type_map.h"
26 #include "ardour/automatable.h"
27 #include "ardour/panner.h"
28 #include "ardour_ui.h"
30 #include "automation_controller.h"
31 #include "gui_thread.h"
35 using namespace ARDOUR;
39 AutomationController::AutomationController(boost::shared_ptr<AutomationControl> ac, Adjustment* adj)
40 : BarController (*adj, ac)
41 , _ignore_change(false)
45 set_name (X_("PluginSlider")); // FIXME: get yer own name!
46 set_style (BarController::LeftToRight);
47 set_use_parent (true);
49 StartGesture.connect (sigc::mem_fun(*this, &AutomationController::start_touch));
50 StopGesture.connect (sigc::mem_fun(*this, &AutomationController::end_touch));
52 _adjustment->signal_value_changed().connect (
53 sigc::mem_fun(*this, &AutomationController::value_adjusted));
55 _screen_update_connection = ARDOUR_UI::RapidScreenUpdate.connect (
56 sigc::mem_fun (*this, &AutomationController::display_effective_value));
58 ac->Changed.connect (_changed_connection, invalidator (*this), boost::bind (&AutomationController::value_changed, this), gui_context());
61 AutomationController::~AutomationController()
65 boost::shared_ptr<AutomationController>
66 AutomationController::create(
67 boost::shared_ptr<Automatable> parent,
68 const Evoral::Parameter& param,
69 boost::shared_ptr<AutomationControl> ac)
71 Gtk::Adjustment* adjustment = manage(new Gtk::Adjustment(param.normal(), param.min(), param.max()));
73 PBD::warning << "Creating AutomationController for " << EventTypeMap::instance().to_symbol(param) << endmsg;
74 ac = boost::dynamic_pointer_cast<AutomationControl>(parent->control_factory(param));
76 assert(ac->parameter() == param);
78 return boost::shared_ptr<AutomationController>(new AutomationController(ac, adjustment));
82 AutomationController::get_label (int&)
86 // Hack to display CC rounded to int
87 if (_controllable->parameter().type() == MidiCCAutomation) {
88 s << (int)_controllable->get_value();
89 } else if (_controllable->parameter().type() == PanAutomation) {
90 s << Panner::value_as_string (_controllable->get_value ());
92 s << std::fixed << std::setprecision(3) << _controllable->get_value();
99 AutomationController::display_effective_value()
101 //if ( ! _controllable->list()->automation_playback())
104 float value = _controllable->get_value();
106 if (_adjustment->get_value() != value) {
107 _ignore_change = true;
108 _adjustment->set_value (value);
109 _ignore_change = false;
114 AutomationController::value_adjusted()
116 if (!_ignore_change) {
117 _controllable->set_value(_adjustment->get_value());
122 AutomationController::start_touch()
124 _controllable->start_touch();
128 AutomationController::end_touch()
130 _controllable->stop_touch();
134 AutomationController::automation_state_changed ()
136 ENSURE_GUI_THREAD (*this, &AutomationController::automation_state_changed)
138 bool x = (_controllable->automation_state() != Off);
140 /* start watching automation so that things move */
142 _screen_update_connection.disconnect();
145 _screen_update_connection = ARDOUR_UI::RapidScreenUpdate.connect (
146 sigc::mem_fun (*this, &AutomationController::display_effective_value));
151 AutomationController::value_changed ()
153 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&AutomationController::display_effective_value, this));
156 /** Stop updating our value from our controllable */
158 AutomationController::stop_updating ()
160 _screen_update_connection.disconnect ();