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"
31 #include "automation_controller.h"
32 #include "gui_thread.h"
33 #include "note_select_dialog.h"
37 using namespace ARDOUR;
40 AutomationController::AutomationController(boost::shared_ptr<Automatable> printer,
41 boost::shared_ptr<AutomationControl> ac,
43 : BarController (*adj, ac)
44 , _ignore_change(false)
51 set_name (X_("ProcessorControlSlider"));
53 StartGesture.connect (sigc::mem_fun(*this, &AutomationController::start_touch));
54 StopGesture.connect (sigc::mem_fun(*this, &AutomationController::end_touch));
56 signal_button_release_event().connect(
57 sigc::mem_fun(*this, &AutomationController::on_button_release));
59 _adjustment->signal_value_changed().connect (
60 sigc::mem_fun(*this, &AutomationController::value_adjusted));
62 _screen_update_connection = ARDOUR_UI::RapidScreenUpdate.connect (
63 sigc::mem_fun (*this, &AutomationController::display_effective_value));
65 ac->Changed.connect (_changed_connection, invalidator (*this), boost::bind (&AutomationController::value_changed, this), gui_context());
68 AutomationController::~AutomationController()
72 boost::shared_ptr<AutomationController>
73 AutomationController::create(boost::shared_ptr<Automatable> printer,
74 const Evoral::Parameter& param,
75 const ParameterDescriptor& desc,
76 boost::shared_ptr<AutomationControl> ac)
78 const double lo = ac->internal_to_interface(desc.lower);
79 const double up = ac->internal_to_interface(desc.upper);
80 const double normal = ac->internal_to_interface(desc.normal);
81 double smallstep = desc.smallstep;
82 double largestep = desc.largestep;
83 if (smallstep == 0.0) {
84 smallstep = (up - lo) / 100;
86 if (largestep == 0.0) {
87 largestep = (up - lo) / 10;
89 smallstep = ac->internal_to_interface(smallstep);
90 largestep = ac->internal_to_interface(largestep);
92 Gtk::Adjustment* adjustment = manage (
93 new Gtk::Adjustment (normal, lo, up, smallstep, largestep));
96 assert(ac->parameter() == param);
97 return boost::shared_ptr<AutomationController>(new AutomationController(printer, ac, adjustment));
101 AutomationController::get_label (double& xpos)
104 return _printer->value_as_string (_controllable);
108 AutomationController::display_effective_value()
110 double const interface_value = _controllable->internal_to_interface(_controllable->get_value());
112 if (_adjustment->get_value () != interface_value) {
113 _ignore_change = true;
114 _adjustment->set_value (interface_value);
115 _ignore_change = false;
120 AutomationController::value_adjusted ()
122 if (!_ignore_change) {
123 _controllable->set_value (_controllable->interface_to_internal(_adjustment->get_value()));
128 AutomationController::start_touch()
130 _controllable->start_touch (_controllable->session().transport_frame());
134 AutomationController::end_touch ()
136 if (!_controllable->alist()) return;
137 if (_controllable->automation_state() == Touch) {
142 if (_controllable->session().transport_rolling()) {
144 when = _controllable->session().transport_frame();
147 _controllable->stop_touch (mark, when);
152 AutomationController::run_note_select_dialog()
154 NoteSelectDialog* dialog = new NoteSelectDialog();
155 if (dialog->run() == Gtk::RESPONSE_ACCEPT) {
156 _controllable->set_value(dialog->note_number());
162 AutomationController::on_button_release(GdkEventButton* ev)
164 using namespace Gtk::Menu_Helpers;
166 if (ev->button == 3 && _controllable->desc().unit == ARDOUR::ParameterDescriptor::MIDI_NOTE) {
167 Gtk::Menu* menu = manage(new Menu());
168 MenuList& items = menu->items();
169 items.push_back(MenuElem(_("Select Note..."),
170 sigc::mem_fun(*this, &AutomationController::run_note_select_dialog)));
171 menu->popup(1, ev->time);
178 AutomationController::value_changed ()
180 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&AutomationController::display_effective_value, this));
183 /** Stop updating our value from our controllable */
185 AutomationController::stop_updating ()
187 _screen_update_connection.disconnect ();