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/compose.h"
25 #include "pbd/error.h"
27 #include "ardour/automatable.h"
28 #include "ardour/automation_control.h"
29 #include "ardour/session.h"
30 #include "ardour/tempo.h"
32 #include "ardour_button.h"
33 #include "ardour_ui.h"
34 #include "automation_controller.h"
35 #include "gui_thread.h"
36 #include "note_select_dialog.h"
40 using namespace ARDOUR;
43 AutomationBarController::AutomationBarController (
44 boost::shared_ptr<Automatable> printer,
45 boost::shared_ptr<AutomationControl> ac,
47 : Gtkmm2ext::BarController(*adj, ac)
54 AutomationBarController::get_label (double& xpos)
57 return _printer->value_as_string (_controllable);
60 AutomationBarController::~AutomationBarController()
64 AutomationController::AutomationController(boost::shared_ptr<Automatable> printer,
65 boost::shared_ptr<AutomationControl> ac,
71 , _ignore_change(false)
76 ArdourButton* but = manage(new ArdourButton());
78 // Apply styles for special types
79 if (ac->parameter().type() == MuteAutomation) {
80 but->set_name("mute button");
81 } else if (ac->parameter().type() == SoloAutomation) {
82 but->set_name("solo button");
84 but->set_name("generic button");
86 but->signal_clicked.connect(
87 sigc::mem_fun(*this, &AutomationController::toggled));
91 AutomationBarController* bar = manage(new AutomationBarController(_printer, ac, adj));
93 bar->set_name(X_("ProcessorControlSlider"));
94 bar->StartGesture.connect(
95 sigc::mem_fun(*this, &AutomationController::start_touch));
96 bar->StopGesture.connect(
97 sigc::mem_fun(*this, &AutomationController::end_touch));
98 bar->signal_button_release_event().connect(
99 sigc::mem_fun(*this, &AutomationController::on_button_release));
104 _adjustment->signal_value_changed().connect(
105 sigc::mem_fun(*this, &AutomationController::value_adjusted));
107 _screen_update_connection = ARDOUR_UI::RapidScreenUpdate.connect (
108 sigc::mem_fun (*this, &AutomationController::display_effective_value));
110 ac->Changed.connect (_changed_connection, invalidator (*this), boost::bind (&AutomationController::value_changed, this), gui_context());
116 AutomationController::~AutomationController()
120 boost::shared_ptr<AutomationController>
121 AutomationController::create(boost::shared_ptr<Automatable> printer,
122 const Evoral::Parameter& param,
123 const ParameterDescriptor& desc,
124 boost::shared_ptr<AutomationControl> ac)
126 const double lo = ac->internal_to_interface(desc.lower);
127 const double up = ac->internal_to_interface(desc.upper);
128 const double normal = ac->internal_to_interface(desc.normal);
129 double smallstep = desc.smallstep;
130 double largestep = desc.largestep;
131 if (smallstep == 0.0) {
132 smallstep = up / 1000.;
134 smallstep = ac->internal_to_interface(desc.lower + smallstep);
137 if (largestep == 0.0) {
138 largestep = up / 40.;
140 largestep = ac->internal_to_interface(desc.lower + largestep);
143 Gtk::Adjustment* adjustment = manage (
144 new Gtk::Adjustment (normal, lo, up, smallstep, largestep));
147 assert(ac->parameter() == param);
148 return boost::shared_ptr<AutomationController>(new AutomationController(printer, ac, adjustment));
152 AutomationController::display_effective_value()
154 double const interface_value = _controllable->internal_to_interface(_controllable->get_value());
156 if (_adjustment->get_value () != interface_value) {
157 _ignore_change = true;
158 _adjustment->set_value (interface_value);
159 _ignore_change = false;
164 AutomationController::value_adjusted ()
166 if (!_ignore_change) {
167 _controllable->set_value (_controllable->interface_to_internal(_adjustment->get_value()));
170 /* A bar controller will automatically follow the adjustment, but for a
171 button we have to do it manually. */
172 ArdourButton* but = dynamic_cast<ArdourButton*>(_widget);
174 const bool active = _adjustment->get_value() >= 0.5;
175 if (but->get_active() != active) {
176 but->set_active(active);
182 AutomationController::start_touch()
184 _controllable->start_touch (_controllable->session().transport_frame());
185 StartGesture.emit(); /* EMIT SIGNAL */
189 AutomationController::end_touch ()
191 if (_controllable->automation_state() == Touch) {
196 if (_controllable->session().transport_rolling()) {
198 when = _controllable->session().transport_frame();
201 _controllable->stop_touch (mark, when);
203 StopGesture.emit(); /* EMIT SIGNAL */
207 AutomationController::toggled ()
209 ArdourButton* but = dynamic_cast<ArdourButton*>(_widget);
212 const bool was_active = _controllable->get_value() >= 0.5;
214 _adjustment->set_value(0.0);
215 but->set_active(false);
217 _adjustment->set_value(1.0);
218 but->set_active(true);
225 midi_note_to_hz(int note)
227 const double tuning = 440.0;
228 return tuning * pow(2, (note - 69.0) / 12.0);
232 clamp(double val, double min, double max)
236 } else if (val > max) {
243 AutomationController::run_note_select_dialog()
245 const ARDOUR::ParameterDescriptor& desc = _controllable->desc();
246 NoteSelectDialog* dialog = new NoteSelectDialog();
247 if (dialog->run() == Gtk::RESPONSE_ACCEPT) {
248 const double value = ((_controllable->desc().unit == ARDOUR::ParameterDescriptor::HZ)
249 ? midi_note_to_hz(dialog->note_number())
250 : dialog->note_number());
251 _controllable->set_value(clamp(value, desc.lower, desc.upper));
257 AutomationController::set_freq_beats(double beats)
259 const ARDOUR::ParameterDescriptor& desc = _controllable->desc();
260 const ARDOUR::Session& session = _controllable->session();
261 const framepos_t pos = session.transport_frame();
262 const ARDOUR::Tempo& tempo = session.tempo_map().tempo_at(pos);
263 const double bpm = tempo.beats_per_minute();
264 const double bps = bpm / 60.0;
265 const double freq = bps / beats;
266 _controllable->set_value(clamp(freq, desc.lower, desc.upper));
270 AutomationController::set_ratio(double ratio)
272 const ARDOUR::ParameterDescriptor& desc = _controllable->desc();
273 const double value = _controllable->get_value() * ratio;
274 _controllable->set_value(clamp(value, desc.lower, desc.upper));
278 AutomationController::on_button_release(GdkEventButton* ev)
280 using namespace Gtk::Menu_Helpers;
282 if (ev->button != 3) {
286 const ARDOUR::ParameterDescriptor& desc = _controllable->desc();
287 if (desc.unit == ARDOUR::ParameterDescriptor::MIDI_NOTE) {
288 Gtk::Menu* menu = manage(new Menu());
289 MenuList& items = menu->items();
290 items.push_back(MenuElem(_("Select Note..."),
291 sigc::mem_fun(*this, &AutomationController::run_note_select_dialog)));
292 menu->popup(1, ev->time);
294 } else if (desc.unit == ARDOUR::ParameterDescriptor::HZ) {
295 Gtk::Menu* menu = manage(new Menu());
296 MenuList& items = menu->items();
297 items.push_back(MenuElem(_("Halve"),
298 sigc::bind(sigc::mem_fun(*this, &AutomationController::set_ratio),
300 items.push_back(MenuElem(_("Double"),
301 sigc::bind(sigc::mem_fun(*this, &AutomationController::set_ratio),
303 const bool is_audible = desc.upper > 40.0;
304 const bool is_low = desc.lower < 1.0;
306 items.push_back(MenuElem(_("Select Note..."),
307 sigc::mem_fun(*this, &AutomationController::run_note_select_dialog)));
310 for (double beats = 1.0; beats <= 16; ++beats) {
311 items.push_back(MenuElem(string_compose(_("Set to %1 beat(s)"), (int)beats),
312 sigc::bind(sigc::mem_fun(*this, &AutomationController::set_freq_beats),
316 menu->popup(1, ev->time);
324 AutomationController::value_changed ()
326 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&AutomationController::display_effective_value, this));
329 /** Stop updating our value from our controllable */
331 AutomationController::stop_updating ()
333 _screen_update_connection.disconnect ();
337 AutomationController::disable_vertical_scroll ()
339 AutomationBarController* bar = dynamic_cast<AutomationBarController*>(_widget);
342 Gtkmm2ext::PixFader::Tweaks(bar->tweaks() |
343 Gtkmm2ext::PixFader::NoVerticalScroll));