gtk2_ardour/midi_time_axis.cc

   1 /*
   2     Copyright (C) 2000 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17 */
  18
  19 #include <cstdlib>
  20 #include <cmath>
  21
  22 #include <algorithm>
  23 #include <string>
  24 #include <vector>
  25
  26 #include <sigc++/bind.h>
  27
  28 #include <pbd/error.h>
  29 #include <pbd/stl_delete.h>
  30 #include <pbd/whitespace.h>
  31
  32 #include <gtkmm2ext/gtk_ui.h>
  33 #include <gtkmm2ext/selector.h>
  34 #include <gtkmm2ext/stop_signal.h>
  35 #include <gtkmm2ext/bindable_button.h>
  36 #include <gtkmm2ext/utils.h>
  37
  38 #include <ardour/midi_playlist.h>
  39 #include <ardour/midi_diskstream.h>
  40 #include <ardour/midi_patch_manager.h>
  41 #include <ardour/processor.h>
  42 #include <ardour/ladspa_plugin.h>
  43 #include <ardour/location.h>
  44 #include <ardour/playlist.h>
  45 #include <ardour/session.h>
  46 #include <ardour/session_playlist.h>
  47 #include <ardour/utils.h>
  48
  49 #include "ardour_ui.h"
  50 #include "midi_time_axis.h"
  51 #include "automation_time_axis.h"
  52 #include "automation_line.h"
  53 #include "add_midi_cc_track_dialog.h"
  54 #include "canvas_impl.h"
  55 #include "crossfade_view.h"
  56 #include "enums.h"
  57 #include "gui_thread.h"
  58 #include "keyboard.h"
  59 #include "playlist_selector.h"
  60 #include "plugin_selector.h"
  61 #include "plugin_ui.h"
  62 #include "point_selection.h"
  63 #include "prompter.h"
  64 #include "public_editor.h"
  65 #include "region_view.h"
  66 #include "rgb_macros.h"
  67 #include "selection.h"
  68 #include "simplerect.h"
  69 #include "midi_streamview.h"
  70 #include "utils.h"
  71 #include "midi_scroomer.h"
  72 #include "piano_roll_header.h"
  73 #include "ghostregion.h"
  74
  75 #include <ardour/midi_track.h>
  76
  77 #include "i18n.h"
  78
  79 using namespace ARDOUR;
  80 using namespace PBD;
  81 using namespace Gtk;
  82 using namespace sigc;
  83 using namespace Editing;
  84
  85 // Minimum height at which a control is displayed
  86 static const uint32_t MIDI_CONTROLS_BOX_MIN_HEIGHT = 162;
  87 static const uint32_t KEYBOARD_MIN_HEIGHT = 140;
  88
  89 MidiTimeAxisView::MidiTimeAxisView (PublicEditor& ed, Session& sess, boost::shared_ptr<Route> rt, Canvas& canvas)
  90         : AxisView(sess) // virtually inherited
  91         , RouteTimeAxisView(ed, sess, rt, canvas)
  92         , _ignore_signals(false)
  93         , _range_scroomer(0)
  94         , _piano_roll_header(0)
  95         , _note_mode(Sustained)
  96         , _note_mode_item(NULL)
  97         , _percussion_mode_item(NULL)
  98 {
  99         subplugin_menu.set_name ("ArdourContextMenu");
 100
 101         _view = new MidiStreamView (*this);
 102
 103         ignore_toggle = false;
 104
 105         mute_button->set_active (false);
 106         solo_button->set_active (false);
 107
 108         if (is_midi_track()) {
 109                 controls_ebox.set_name ("MidiTimeAxisViewControlsBaseUnselected");
 110                 _note_mode = midi_track()->note_mode();
 111         } else { // MIDI bus (which doesn't exist yet..)
 112                 controls_ebox.set_name ("MidiBusControlsBaseUnselected");
 113         }
 114
 115         /* map current state of the route */
 116
 117         processors_changed ();
 118
 119         ensure_xml_node ();
 120
 121         set_state (*xml_node);
 122
 123         _route->processors_changed.connect (mem_fun(*this, &MidiTimeAxisView::processors_changed));
 124
 125         if (is_track()) {
 126                 _piano_roll_header = new PianoRollHeader(*midi_view());
 127                 _range_scroomer = new MidiScroomer(midi_view()->note_range_adjustment);
 128
 129                 controls_hbox.pack_start(*_range_scroomer);
 130                 controls_hbox.pack_start(*_piano_roll_header);
 131
 132                 controls_ebox.set_name ("MidiTrackControlsBaseUnselected");
 133                 controls_base_selected_name = "MidiTrackControlsBaseSelected";
 134                 controls_base_unselected_name = "MidiTrackControlsBaseUnselected";
 135
 136                 midi_view()->NoteRangeChanged.connect (mem_fun(*this, &MidiTimeAxisView::update_range));
 137
 138                 /* ask for notifications of any new RegionViews */
 139                 _view->RegionViewAdded.connect (mem_fun(*this, &MidiTimeAxisView::region_view_added));
 140                 _view->attach ();
 141         }
 142
 143         HBox* midi_controls_hbox = manage(new HBox());
 144
 145         MIDI::Name::MidiPatchManager& patch_manager = MIDI::Name::MidiPatchManager::instance();
 146
 147         for (MIDI::Name::MasterDeviceNames::Models::const_iterator model = patch_manager.all_models().begin();
 148              model != patch_manager.all_models().end();
 149              ++model) {
 150                 _model_selector.append_text(model->c_str());
 151         }
 152
 153         _model_selector.signal_changed().connect(mem_fun(*this, &MidiTimeAxisView::model_changed));
 154
 155         _custom_device_mode_selector.signal_changed().connect(
 156                         mem_fun(*this, &MidiTimeAxisView::custom_device_mode_changed));
 157
 158         // TODO: persist the choice
 159         // this initializes the comboboxes and sends out the signal
 160         _model_selector.set_active(0);
 161
 162         midi_controls_hbox->pack_start(_channel_selector, true, false);
 163         if (!patch_manager.all_models().empty()) {
 164                 _midi_controls_box.pack_start(_model_selector, true, false);
 165                 _midi_controls_box.pack_start(_custom_device_mode_selector, true, false);
 166         }
 167
 168         _midi_controls_box.pack_start(*midi_controls_hbox, true, true);
 169
 170         controls_vbox.pack_start(_midi_controls_box, false, false);
 171
 172         boost::shared_ptr<MidiDiskstream> diskstream = midi_track()->midi_diskstream();
 173
 174         // restore channel selector settings
 175         _channel_selector.set_channel_mode(diskstream->get_channel_mode(), diskstream->get_channel_mask());
 176         _channel_selector.mode_changed.connect(
 177                 mem_fun(*midi_track()->midi_diskstream(), &MidiDiskstream::set_channel_mode));
 178
 179 }
 180
 181 MidiTimeAxisView::~MidiTimeAxisView ()
 182 {
 183         delete _piano_roll_header;
 184         _piano_roll_header = 0;
 185
 186         delete _range_scroomer;
 187         _range_scroomer = 0;
 188 }
 189
 190 void MidiTimeAxisView::model_changed()
 191 {
 192         std::list<std::string> device_modes = MIDI::Name::MidiPatchManager::instance()
 193                 .custom_device_mode_names_by_model(_model_selector.get_active_text());
 194
 195         _custom_device_mode_selector.clear_items();
 196
 197         for (std::list<std::string>::const_iterator i = device_modes.begin(); i != device_modes.end(); ++i) {
 198                 cerr << "found custom device mode " << *i << " thread_id: " << pthread_self() << endl;
 199                 _custom_device_mode_selector.append_text(*i);
 200         }
 201
 202         _custom_device_mode_selector.set_active(0);
 203 }
 204
 205 void MidiTimeAxisView::custom_device_mode_changed()
 206 {
 207         _midi_patch_settings_changed.emit(_model_selector.get_active_text(), _custom_device_mode_selector.get_active_text());
 208 }
 209
 210 MidiStreamView*
 211 MidiTimeAxisView::midi_view()
 212 {
 213         return dynamic_cast<MidiStreamView*>(_view);
 214 }
 215
 216 guint32
 217 MidiTimeAxisView::show_at (double y, int& nth, Gtk::VBox *parent)
 218 {
 219         ensure_xml_node ();
 220         xml_node->add_property ("shown-editor", "yes");
 221
 222         guint32 ret = TimeAxisView::show_at (y, nth, parent);
 223         return ret;
 224 }
 225
 226 void
 227 MidiTimeAxisView::hide ()
 228 {
 229         ensure_xml_node ();
 230         xml_node->add_property ("shown-editor", "no");
 231
 232         TimeAxisView::hide ();
 233 }
 234
 235 void
 236 MidiTimeAxisView::set_height (uint32_t h)
 237 {
 238         RouteTimeAxisView::set_height (h);
 239
 240         if (height >= MIDI_CONTROLS_BOX_MIN_HEIGHT) {
 241                 _midi_controls_box.show();
 242         } else {
 243                 _midi_controls_box.hide();
 244         }
 245
 246         if (height >= KEYBOARD_MIN_HEIGHT) {
 247                 if (is_track() && _range_scroomer)
 248                         _range_scroomer->show();
 249                 if (is_track() && _piano_roll_header)
 250                         _piano_roll_header->show();
 251         } else {
 252                 if (is_track() && _range_scroomer)
 253                         _range_scroomer->hide();
 254                 if (is_track() && _piano_roll_header)
 255                         _piano_roll_header->hide();
 256         }
 257 }
 258
 259 void
 260 MidiTimeAxisView::append_extra_display_menu_items ()
 261 {
 262         using namespace Menu_Helpers;
 263
 264         MenuList& items = display_menu->items();
 265
 266         // Note range
 267         Menu *range_menu = manage(new Menu);
 268         MenuList& range_items = range_menu->items();
 269         range_menu->set_name ("ArdourContextMenu");
 270
 271         range_items.push_back (MenuElem (_("Show Full Range"), bind (
 272                         mem_fun(*this, &MidiTimeAxisView::set_note_range),
 273                         MidiStreamView::FullRange)));
 274
 275         range_items.push_back (MenuElem (_("Fit Contents"), bind (
 276                         mem_fun(*this, &MidiTimeAxisView::set_note_range),
 277                         MidiStreamView::ContentsRange)));
 278
 279         items.push_back (MenuElem (_("Note range"), *range_menu));
 280 }
 281
 282 void
 283 MidiTimeAxisView::build_automation_action_menu ()
 284 {
 285         using namespace Menu_Helpers;
 286
 287         RouteTimeAxisView::build_automation_action_menu ();
 288
 289         MenuList& automation_items = automation_action_menu->items();
 290
 291         automation_items.push_back (SeparatorElem());
 292         automation_items.push_back (MenuElem (_("Controller..."),
 293                         mem_fun(*this, &MidiTimeAxisView::add_cc_track)));
 294         automation_items.push_back (MenuElem (_("Bender"),
 295                         sigc::bind(mem_fun(*this, &MidiTimeAxisView::add_parameter_track),
 296                                 Evoral::Parameter(MidiPitchBenderAutomation))));
 297         automation_items.push_back (MenuElem (_("Pressure"),
 298                         sigc::bind(mem_fun(*this, &MidiTimeAxisView::add_parameter_track),
 299                                 Evoral::Parameter(MidiChannelPressureAutomation))));
 300
 301 }
 302
 303 Gtk::Menu*
 304 MidiTimeAxisView::build_mode_menu()
 305 {
 306         using namespace Menu_Helpers;
 307
 308         Menu* mode_menu = manage (new Menu);
 309         MenuList& items = mode_menu->items();
 310         mode_menu->set_name ("ArdourContextMenu");
 311
 312         RadioMenuItem::Group mode_group;
 313         items.push_back (RadioMenuElem (mode_group, _("Sustained"),
 314                                 bind (mem_fun (*this, &MidiTimeAxisView::set_note_mode), Sustained)));
 315         _note_mode_item = dynamic_cast<RadioMenuItem*>(&items.back());
 316         _note_mode_item->set_active(_note_mode == Sustained);
 317
 318         items.push_back (RadioMenuElem (mode_group, _("Percussive"),
 319                                 bind (mem_fun (*this, &MidiTimeAxisView::set_note_mode), Percussive)));
 320         _percussion_mode_item = dynamic_cast<RadioMenuItem*>(&items.back());
 321         _percussion_mode_item->set_active(_note_mode == Percussive);
 322
 323         return mode_menu;
 324 }
 325
 326 void
 327 MidiTimeAxisView::set_note_mode(NoteMode mode)
 328 {
 329         if (_note_mode != mode || midi_track()->note_mode() != mode) {
 330                 _note_mode = mode;
 331                 midi_track()->set_note_mode(mode);
 332                 _view->redisplay_diskstream();
 333         }
 334 }
 335
 336
 337 void
 338 MidiTimeAxisView::set_note_range(MidiStreamView::VisibleNoteRange range)
 339 {
 340         if (!_ignore_signals)
 341                 midi_view()->set_note_range(range);
 342 }
 343
 344
 345 void
 346 MidiTimeAxisView::update_range()
 347 {
 348         MidiGhostRegion* mgr;
 349
 350         for(list<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
 351                 if ((mgr = dynamic_cast<MidiGhostRegion*>(*i)) != 0) {
 352                         mgr->update_range();
 353                 }
 354         }
 355 }
 356
 357 void
 358 MidiTimeAxisView::show_all_automation ()
 359 {
 360         if (midi_track()) {
 361                 const set<Evoral::Parameter> params = midi_track()->midi_diskstream()->
 362                                 midi_playlist()->contained_automation();
 363
 364                 for (set<Evoral::Parameter>::const_iterator i = params.begin(); i != params.end(); ++i) {
 365                         create_automation_child(*i, true);
 366                 }
 367         }
 368
 369         RouteTimeAxisView::show_all_automation ();
 370 }
 371
 372 void
 373 MidiTimeAxisView::show_existing_automation ()
 374 {
 375         if (midi_track()) {
 376                 const set<Evoral::Parameter> params = midi_track()->midi_diskstream()->
 377                                 midi_playlist()->contained_automation();
 378
 379                 for (set<Evoral::Parameter>::const_iterator i = params.begin(); i != params.end(); ++i) {
 380                         create_automation_child(*i, true);
 381                 }
 382         }
 383
 384         RouteTimeAxisView::show_existing_automation ();
 385 }
 386
 387 /** Prompt for a controller with a dialog and add an automation track for it
 388  */
 389 void
 390 MidiTimeAxisView::add_cc_track()
 391 {
 392         int response;
 393         Evoral::Parameter param(0, 0, 0);
 394
 395         {
 396                 AddMidiCCTrackDialog dialog;
 397                 dialog.set_transient_for(editor);
 398                 response = dialog.run();
 399
 400                 if (response == Gtk::RESPONSE_ACCEPT)
 401                         param = dialog.parameter();
 402         }
 403
 404         if (param.type() != 0 && response == Gtk::RESPONSE_ACCEPT)
 405                 create_automation_child(param, true);
 406 }
 407
 408
 409 /** Add an automation track for the given parameter (pitch bend, channel pressure).
 410  */
 411 void
 412 MidiTimeAxisView::add_parameter_track(const Evoral::Parameter& param)
 413 {
 414         create_automation_child(param, true);
 415 }
 416
 417 void
 418 MidiTimeAxisView::create_automation_child (const Evoral::Parameter& param, bool show)
 419 {
 420         if (    param.type() == MidiCCAutomation ||
 421                         param.type() == MidiPgmChangeAutomation ||
 422                         param.type() == MidiPitchBenderAutomation ||
 423                         param.type() == MidiChannelPressureAutomation
 424            ) {
 425
 426                 /* These controllers are region "automation", so we do not create
 427                  * an AutomationList/Line for the track */
 428
 429                 AutomationTracks::iterator existing = _automation_tracks.find(param);
 430                 if (existing != _automation_tracks.end())
 431                         return;
 432
 433                 boost::shared_ptr<AutomationControl> c
 434                         = boost::dynamic_pointer_cast<AutomationControl>(_route->data().control(param));
 435
 436                 if (!c) {
 437                         c = boost::dynamic_pointer_cast<AutomationControl>(_route->control_factory(param));
 438                         _route->add_control(c);
 439                 }
 440
 441                 boost::shared_ptr<AutomationTimeAxisView> track(new AutomationTimeAxisView (_session,
 442                                 _route, boost::shared_ptr<ARDOUR::Automatable>(), c,
 443                                 editor,
 444                                 *this,
 445                                 true,
 446                                 parent_canvas,
 447                                 _route->describe_parameter(param)));
 448
 449                 add_automation_child(param, track, show);
 450
 451         } else {
 452                 error << "MidiTimeAxisView: unknown automation child "
 453                         << ARDOUR::EventTypeMap::instance().to_symbol(param) << endmsg;
 454         }
 455 }
 456
 457 void
 458 MidiTimeAxisView::route_active_changed ()
 459 {
 460         RouteUI::route_active_changed ();
 461
 462         if (is_track()) {
 463                 if (_route->active()) {
 464                         controls_ebox.set_name ("MidiTrackControlsBaseUnselected");
 465                         controls_base_selected_name = "MidiTrackControlsBaseSelected";
 466                         controls_base_unselected_name = "MidiTrackControlsBaseUnselected";
 467                 } else {
 468                         controls_ebox.set_name ("MidiTrackControlsBaseInactiveUnselected");
 469                         controls_base_selected_name = "MidiTrackControlsBaseInactiveSelected";
 470                         controls_base_unselected_name = "MidiTrackControlsBaseInactiveUnselected";
 471                 }
 472         } else {
 473
 474                 throw; // wha?
 475
 476                 if (_route->active()) {
 477                         controls_ebox.set_name ("BusControlsBaseUnselected");
 478                         controls_base_selected_name = "BusControlsBaseSelected";
 479                         controls_base_unselected_name = "BusControlsBaseUnselected";
 480                 } else {
 481                         controls_ebox.set_name ("BusControlsBaseInactiveUnselected");
 482                         controls_base_selected_name = "BusControlsBaseInactiveSelected";
 483                         controls_base_unselected_name = "BusControlsBaseInactiveUnselected";
 484                 }
 485         }
 486 }
 487
 488
 489
 490