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 #include "pbd/basename.h"
  32 #include "pbd/enumwriter.h"
  33 #include "pbd/memento_command.h"
  34 #include "pbd/stateful_diff_command.h"
  35
  36 #include "gtkmm2ext/gtk_ui.h"
  37 #include "gtkmm2ext/selector.h"
  38 #include "gtkmm2ext/bindable_button.h"
  39 #include "gtkmm2ext/utils.h"
  40
  41 #include "ardour/file_source.h"
  42 #include "ardour/midi_playlist.h"
  43 #include "ardour/midi_diskstream.h"
  44 #include "ardour/midi_patch_manager.h"
  45 #include "ardour/midi_source.h"
  46 #include "ardour/processor.h"
  47 #include "ardour/ladspa_plugin.h"
  48 #include "ardour/location.h"
  49 #include "ardour/playlist.h"
  50 #include "ardour/region_factory.h"
  51 #include "ardour/session.h"
  52 #include "ardour/session_playlist.h"
  53 #include "ardour/tempo.h"
  54 #include "ardour/utils.h"
  55 #include "ardour/operations.h"
  56
  57 #include "midi++/names.h"
  58
  59 #include "add_midi_cc_track_dialog.h"
  60 #include "ardour_ui.h"
  61 #include "automation_line.h"
  62 #include "automation_time_axis.h"
  63 #include "canvas-note-event.h"
  64 #include "canvas_impl.h"
  65 #include "crossfade_view.h"
  66 #include "editor.h"
  67 #include "enums.h"
  68 #include "ghostregion.h"
  69 #include "gui_thread.h"
  70 #include "keyboard.h"
  71 #include "midi_scroomer.h"
  72 #include "midi_streamview.h"
  73 #include "midi_region_view.h"
  74 #include "midi_time_axis.h"
  75 #include "piano_roll_header.h"
  76 #include "playlist_selector.h"
  77 #include "plugin_selector.h"
  78 #include "plugin_ui.h"
  79 #include "point_selection.h"
  80 #include "prompter.h"
  81 #include "region_view.h"
  82 #include "rgb_macros.h"
  83 #include "selection.h"
  84 #include "step_editor.h"
  85 #include "simplerect.h"
  86 #include "utils.h"
  87
  88 #include "ardour/midi_track.h"
  89
  90 #include "i18n.h"
  91
  92 using namespace ARDOUR;
  93 using namespace PBD;
  94 using namespace Gtk;
  95 using namespace Gtkmm2ext;
  96 using namespace Editing;
  97
  98 // Minimum height at which a control is displayed
  99 static const uint32_t MIDI_CONTROLS_BOX_MIN_HEIGHT = 162;
 100 static const uint32_t KEYBOARD_MIN_HEIGHT = 140;
 101
 102 MidiTimeAxisView::MidiTimeAxisView (PublicEditor& ed, Session* sess, Canvas& canvas)
 103         : AxisView(sess) // virtually inherited
 104         , RouteTimeAxisView(ed, sess, canvas)
 105         , _ignore_signals(false)
 106         , _range_scroomer(0)
 107         , _piano_roll_header(0)
 108         , _note_mode(Sustained)
 109         , _note_mode_item(0)
 110         , _percussion_mode_item(0)
 111         , _color_mode(MeterColors)
 112         , _meter_color_mode_item(0)
 113         , _channel_color_mode_item(0)
 114         , _track_color_mode_item(0)
 115         , _step_edit_item (0)
 116         , _midi_thru_item (0)
 117         , controller_menu (0)
 118         , _step_editor (0)
 119 {
 120 }
 121
 122 void
 123 MidiTimeAxisView::set_route (boost::shared_ptr<Route> rt)
 124 {
 125         RouteTimeAxisView::set_route (rt);
 126
 127         subplugin_menu.set_name ("ArdourContextMenu");
 128
 129         _view = new MidiStreamView (*this);
 130
 131         ignore_toggle = false;
 132
 133         mute_button->set_active (false);
 134         solo_button->set_active (false);
 135
 136         if (is_midi_track()) {
 137                 controls_ebox.set_name ("MidiTimeAxisViewControlsBaseUnselected");
 138                 _note_mode = midi_track()->note_mode();
 139         } else { // MIDI bus (which doesn't exist yet..)
 140                 controls_ebox.set_name ("MidiBusControlsBaseUnselected");
 141         }
 142
 143         /* map current state of the route */
 144
 145         processors_changed (RouteProcessorChange ());
 146
 147         _route->processors_changed.connect (*this, invalidator (*this), ui_bind (&MidiTimeAxisView::processors_changed, this, _1), gui_context());
 148
 149         if (is_track()) {
 150                 _piano_roll_header = new PianoRollHeader(*midi_view());
 151
 152                 _piano_roll_header->AddNoteSelection.connect (sigc::mem_fun (*this, &MidiTimeAxisView::add_note_selection));
 153                 _piano_roll_header->ExtendNoteSelection.connect (sigc::mem_fun (*this, &MidiTimeAxisView::extend_note_selection));
 154                 _piano_roll_header->ToggleNoteSelection.connect (sigc::mem_fun (*this, &MidiTimeAxisView::toggle_note_selection));
 155
 156                 _range_scroomer = new MidiScroomer(midi_view()->note_range_adjustment);
 157
 158                 /* Suspend updates of the StreamView during scroomer drags to speed things up */
 159                 _range_scroomer->DragStarting.connect (sigc::mem_fun (*midi_view(), &MidiStreamView::suspend_updates));
 160                 _range_scroomer->DragFinishing.connect (sigc::mem_fun (*midi_view(), &MidiStreamView::resume_updates));
 161
 162                 controls_hbox.pack_start(*_range_scroomer);
 163                 controls_hbox.pack_start(*_piano_roll_header);
 164
 165                 controls_ebox.set_name ("MidiTrackControlsBaseUnselected");
 166                 controls_base_selected_name = "MidiTrackControlsBaseSelected";
 167                 controls_base_unselected_name = "MidiTrackControlsBaseUnselected";
 168
 169                 midi_view()->NoteRangeChanged.connect (sigc::mem_fun(*this, &MidiTimeAxisView::update_range));
 170
 171                 /* ask for notifications of any new RegionViews */
 172                 _view->RegionViewAdded.connect (sigc::mem_fun(*this, &MidiTimeAxisView::region_view_added));
 173
 174                 if (!_editor.have_idled()) {
 175                         /* first idle will do what we need */
 176                 } else {
 177                         first_idle ();
 178                 }
 179         }
 180
 181         HBox* midi_controls_hbox = manage(new HBox());
 182
 183         MIDI::Name::MidiPatchManager& patch_manager = MIDI::Name::MidiPatchManager::instance();
 184
 185         MIDI::Name::MasterDeviceNames::Models::const_iterator m = patch_manager.all_models().begin();
 186         for (; m != patch_manager.all_models().end(); ++m) {
 187                 _model_selector.append_text(m->c_str());
 188         }
 189
 190         _model_selector.signal_changed().connect(sigc::mem_fun(*this, &MidiTimeAxisView::model_changed));
 191
 192         _custom_device_mode_selector.signal_changed().connect(
 193                         sigc::mem_fun(*this, &MidiTimeAxisView::custom_device_mode_changed));
 194
 195         // TODO: persist the choice
 196         // this initializes the comboboxes and sends out the signal
 197         _model_selector.set_active(0);
 198
 199         midi_controls_hbox->pack_start(_channel_selector, true, false);
 200         if (!patch_manager.all_models().empty()) {
 201                 _midi_controls_box.pack_start(_model_selector, true, false);
 202                 _midi_controls_box.pack_start(_custom_device_mode_selector, true, false);
 203         }
 204
 205         _midi_controls_box.pack_start(*midi_controls_hbox, true, true);
 206
 207         controls_vbox.pack_start(_midi_controls_box, false, false);
 208
 209         // restore channel selector settings
 210         _channel_selector.set_channel_mode(midi_track()->get_channel_mode(), midi_track()->get_channel_mask());
 211         _channel_selector.mode_changed.connect(
 212                 sigc::mem_fun(*midi_track(), &MidiTrack::set_channel_mode));
 213         _channel_selector.mode_changed.connect(
 214                 sigc::mem_fun(*this, &MidiTimeAxisView::set_channel_mode));
 215
 216         string prop = gui_property ("color-mode");
 217         if (!prop.empty()) {
 218                 _color_mode = ColorMode (string_2_enum(prop, _color_mode));
 219                 if (_color_mode == ChannelColors) {
 220                         _channel_selector.set_channel_colors(CanvasNoteEvent::midi_channel_colors);
 221                 }
 222         }
 223
 224         set_color_mode (_color_mode, true, false);
 225
 226         prop = gui_property ("note-mode");
 227         if (!prop.empty()) {
 228                 _note_mode = NoteMode (string_2_enum (prop, _note_mode));
 229                 if (_percussion_mode_item) {
 230                         _percussion_mode_item->set_active (_note_mode == Percussive);
 231                 }
 232         }
 233 }
 234
 235 void
 236 MidiTimeAxisView::first_idle ()
 237 {
 238         if (is_track ()) {
 239                 _view->attach ();
 240         }
 241 }
 242
 243 MidiTimeAxisView::~MidiTimeAxisView ()
 244 {
 245         delete _piano_roll_header;
 246         _piano_roll_header = 0;
 247
 248         delete _range_scroomer;
 249         _range_scroomer = 0;
 250
 251         delete controller_menu;
 252         delete _step_editor;
 253 }
 254
 255 void
 256 MidiTimeAxisView::enter_internal_edit_mode ()
 257 {
 258         if (midi_view()) {
 259                 midi_view()->enter_internal_edit_mode ();
 260         }
 261 }
 262
 263 void
 264 MidiTimeAxisView::leave_internal_edit_mode ()
 265 {
 266         if (midi_view()) {
 267                 midi_view()->leave_internal_edit_mode ();
 268         }
 269 }
 270
 271 void
 272 MidiTimeAxisView::check_step_edit ()
 273 {
 274         ensure_step_editor ();
 275         _step_editor->check_step_edit ();
 276 }
 277
 278 void
 279 MidiTimeAxisView::model_changed()
 280 {
 281         std::list<std::string> device_modes = MIDI::Name::MidiPatchManager::instance()
 282                 .custom_device_mode_names_by_model(_model_selector.get_active_text());
 283
 284         _custom_device_mode_selector.clear_items();
 285
 286         for (std::list<std::string>::const_iterator i = device_modes.begin();
 287                         i != device_modes.end(); ++i) {
 288                 cerr << "found custom device mode " << *i << " thread_id: " << pthread_self() << endl;
 289                 _custom_device_mode_selector.append_text(*i);
 290         }
 291
 292         _custom_device_mode_selector.set_active(0);
 293 }
 294
 295 void MidiTimeAxisView::custom_device_mode_changed()
 296 {
 297         _midi_patch_settings_changed.emit(_model_selector.get_active_text(),
 298                         _custom_device_mode_selector.get_active_text());
 299 }
 300
 301 MidiStreamView*
 302 MidiTimeAxisView::midi_view()
 303 {
 304         return dynamic_cast<MidiStreamView*>(_view);
 305 }
 306
 307 void
 308 MidiTimeAxisView::set_height (uint32_t h)
 309 {
 310         RouteTimeAxisView::set_height (h);
 311
 312         if (height >= MIDI_CONTROLS_BOX_MIN_HEIGHT) {
 313                 _midi_controls_box.show_all ();
 314         } else {
 315                 _midi_controls_box.hide();
 316         }
 317
 318         if (height >= KEYBOARD_MIN_HEIGHT) {
 319                 if (is_track() && _range_scroomer) {
 320                         _range_scroomer->show();
 321                 }
 322                 if (is_track() && _piano_roll_header) {
 323                         _piano_roll_header->show();
 324                 }
 325         } else {
 326                 if (is_track() && _range_scroomer) {
 327                         _range_scroomer->hide();
 328                 }
 329                 if (is_track() && _piano_roll_header) {
 330                         _piano_roll_header->hide();
 331                 }
 332         }
 333 }
 334
 335 void
 336 MidiTimeAxisView::append_extra_display_menu_items ()
 337 {
 338         using namespace Menu_Helpers;
 339
 340         MenuList& items = display_menu->items();
 341
 342         // Note range
 343         Menu *range_menu = manage(new Menu);
 344         MenuList& range_items = range_menu->items();
 345         range_menu->set_name ("ArdourContextMenu");
 346
 347         range_items.push_back (MenuElem (_("Show Full Range"), sigc::bind (
 348                         sigc::mem_fun(*this, &MidiTimeAxisView::set_note_range),
 349                         MidiStreamView::FullRange)));
 350
 351         range_items.push_back (MenuElem (_("Fit Contents"), sigc::bind (
 352                         sigc::mem_fun(*this, &MidiTimeAxisView::set_note_range),
 353                         MidiStreamView::ContentsRange)));
 354
 355         items.push_back (MenuElem (_("Note Range"), *range_menu));
 356         items.push_back (MenuElem (_("Note Mode"), *build_note_mode_menu()));
 357
 358         items.push_back (CheckMenuElem (_("MIDI Thru"), sigc::mem_fun(*this, &MidiTimeAxisView::toggle_midi_thru)));
 359         _midi_thru_item = dynamic_cast<CheckMenuItem*>(&items.back());
 360
 361         items.push_back (SeparatorElem ());
 362 }
 363
 364 void
 365 MidiTimeAxisView::toggle_midi_thru ()
 366 {
 367         if (!_midi_thru_item) {
 368                 return;
 369         }
 370
 371         bool view_yn = _midi_thru_item->get_active();
 372         if (view_yn != midi_track()->midi_thru()) {
 373                 midi_track()->set_midi_thru (view_yn);
 374         }
 375 }
 376
 377 void
 378 MidiTimeAxisView::build_automation_action_menu (bool for_selection)
 379 {
 380         using namespace Menu_Helpers;
 381
 382         /* If we have a controller menu, we need to detach it before
 383            RouteTimeAxis::build_automation_action_menu destroys the
 384            menu it is attached to.  Otherwise GTK destroys
 385            controller_menu's gobj, meaning that it can't be reattached
 386            below.  See bug #3134.
 387         */
 388
 389         if (controller_menu) {
 390                 detach_menu (*controller_menu);
 391         }
 392
 393         _channel_command_menu_map.clear ();
 394         RouteTimeAxisView::build_automation_action_menu (for_selection);
 395
 396         MenuList& automation_items = automation_action_menu->items();
 397
 398         uint16_t selected_channels = _channel_selector.get_selected_channels();
 399
 400         if (selected_channels !=  0) {
 401
 402                 automation_items.push_back (SeparatorElem());
 403
 404                 /* these 2 MIDI "command" types are semantically more like automation than note data,
 405                    but they are not MIDI controllers. We give them special status in this menu, since
 406                    they will not show up in the controller list and anyone who actually knows
 407                    something about MIDI (!) would not expect to find them there.
 408                 */
 409
 410                 add_channel_command_menu_item (automation_items, _("Bender"), MidiPitchBenderAutomation, 0);
 411                 automation_items.back().set_sensitive (!for_selection || _editor.get_selection().tracks.size() == 1);
 412                 add_channel_command_menu_item (automation_items, _("Pressure"), MidiChannelPressureAutomation, 0);
 413                 automation_items.back().set_sensitive (!for_selection || _editor.get_selection().tracks.size() == 1);
 414
 415                 /* now all MIDI controllers. Always offer the possibility that we will rebuild the controllers menu
 416                    since it might need to be updated after a channel mode change or other change. Also detach it
 417                    first in case it has been used anywhere else.
 418                 */
 419
 420                 build_controller_menu ();
 421
 422                 automation_items.push_back (SeparatorElem());
 423                 automation_items.push_back (MenuElem (_("Controllers"), *controller_menu));
 424                 automation_items.back().set_sensitive (!for_selection || _editor.get_selection().tracks.size() == 1);
 425         } else {
 426                 automation_items.push_back (MenuElem (string_compose ("<i>%1</i>", _("No MIDI Channels selected"))));
 427                 dynamic_cast<Label*> (automation_items.back().get_child())->set_use_markup (true);
 428         }
 429
 430 }
 431
 432 void
 433 MidiTimeAxisView::change_all_channel_tracks_visibility (bool yn, Evoral::Parameter param)
 434 {
 435         uint16_t selected_channels = _channel_selector.get_selected_channels();
 436
 437         for (uint8_t chn = 0; chn < 16; chn++) {
 438                 if (selected_channels & (0x0001 << chn)) {
 439
 440                         Evoral::Parameter fully_qualified_param (param.type(), chn, param.id());
 441                         Gtk::CheckMenuItem* menu = automation_child_menu_item (fully_qualified_param);
 442
 443                         if (menu) {
 444                                 menu->set_active (yn);
 445                         }
 446                 }
 447         }
 448 }
 449
 450 void
 451 MidiTimeAxisView::add_channel_command_menu_item (Menu_Helpers::MenuList& items, const string& label, AutomationType auto_type, uint8_t cmd)
 452 {
 453         using namespace Menu_Helpers;
 454
 455         /* count the number of selected channels because we will build a different menu structure if there is more than 1 selected.
 456          */
 457
 458         uint16_t selected_channels = _channel_selector.get_selected_channels();
 459         int chn_cnt = 0;
 460
 461         for (uint8_t chn = 0; chn < 16; chn++) {
 462                 if (selected_channels & (0x0001 << chn)) {
 463                         if (++chn_cnt > 1) {
 464                                 break;
 465                         }
 466                 }
 467         }
 468
 469         if (chn_cnt > 1) {
 470
 471                 /* multiple channels - create a submenu, with 1 item per channel */
 472
 473                 Menu* chn_menu = manage (new Menu);
 474                 MenuList& chn_items (chn_menu->items());
 475                 Evoral::Parameter param_without_channel (auto_type, 0, cmd);
 476
 477                 /* add a couple of items to hide/show all of them */
 478
 479                 chn_items.push_back (MenuElem (_("Hide all channels"),
 480                                                     sigc::bind (sigc::mem_fun (*this, &MidiTimeAxisView::change_all_channel_tracks_visibility),
 481                                                                 false, param_without_channel)));
 482                 chn_items.push_back (MenuElem (_("Show all channels"),
 483                                                     sigc::bind (sigc::mem_fun (*this, &MidiTimeAxisView::change_all_channel_tracks_visibility),
 484                                                                 true, param_without_channel)));
 485
 486                 for (uint8_t chn = 0; chn < 16; chn++) {
 487                         if (selected_channels & (0x0001 << chn)) {
 488
 489                                 /* for each selected channel, add a menu item for this controller */
 490
 491                                 Evoral::Parameter fully_qualified_param (auto_type, chn, cmd);
 492                                 chn_items.push_back (CheckMenuElem (string_compose (_("Channel %1"), chn+1),
 493                                                                     sigc::bind (sigc::mem_fun (*this, &RouteTimeAxisView::toggle_automation_track),
 494                                                                                 fully_qualified_param)));
 495
 496                                 boost::shared_ptr<AutomationTimeAxisView> track = automation_child (fully_qualified_param);
 497                                 bool visible = false;
 498
 499                                 if (track) {
 500                                         if (track->marked_for_display()) {
 501                                                 visible = true;
 502                                         }
 503                                 }
 504
 505                                 CheckMenuItem* cmi = static_cast<CheckMenuItem*>(&chn_items.back());
 506                                 _channel_command_menu_map[fully_qualified_param] = cmi;
 507                                 cmi->set_active (visible);
 508                         }
 509                 }
 510
 511                 /* now create an item in the parent menu that has the per-channel list as a submenu */
 512
 513                 items.push_back (MenuElem (label, *chn_menu));
 514
 515         } else {
 516
 517                 /* just one channel - create a single menu item for this command+channel combination*/
 518
 519                 for (uint8_t chn = 0; chn < 16; chn++) {
 520                         if (selected_channels & (0x0001 << chn)) {
 521
 522                                 Evoral::Parameter fully_qualified_param (auto_type, chn, cmd);
 523                                 items.push_back (CheckMenuElem (label,
 524                                                                 sigc::bind (sigc::mem_fun (*this, &RouteTimeAxisView::toggle_automation_track),
 525                                                                             fully_qualified_param)));
 526
 527                                 boost::shared_ptr<AutomationTimeAxisView> track = automation_child (fully_qualified_param);
 528                                 bool visible = false;
 529
 530                                 if (track) {
 531                                         if (track->marked_for_display()) {
 532                                                 visible = true;
 533                                         }
 534                                 }
 535
 536                                 CheckMenuItem* cmi = static_cast<CheckMenuItem*>(&items.back());
 537                                 _channel_command_menu_map[fully_qualified_param] = cmi;
 538                                 cmi->set_active (visible);
 539
 540                                 /* one channel only */
 541                                 break;
 542                         }
 543                 }
 544         }
 545 }
 546
 547 void
 548 MidiTimeAxisView::build_controller_menu ()
 549 {
 550         using namespace Menu_Helpers;
 551
 552         if (controller_menu) {
 553                 /* it exists and has not been invalidated by a channel mode change, so just return it */
 554                 return;
 555         }
 556
 557         controller_menu = new Menu; // explicitly managed by us
 558         MenuList& items (controller_menu->items());
 559
 560         /* create several "top level" menu items for sets of controllers (16 at a time), and populate each one with a submenu
 561            for each controller+channel combination covering the currently selected channels for this track
 562         */
 563
 564         uint16_t selected_channels = _channel_selector.get_selected_channels();
 565
 566         /* count the number of selected channels because we will build a different menu structure if there is more than 1 selected.
 567          */
 568
 569         int chn_cnt = 0;
 570
 571         for (uint8_t chn = 0; chn < 16; chn++) {
 572                 if (selected_channels & (0x0001 << chn)) {
 573                         if (++chn_cnt > 1) {
 574                                 break;
 575                         }
 576                 }
 577         }
 578
 579         /* loop over all 127 MIDI controllers, in groups of 16; except don't offer
 580            bank select controllers, as they are handled by the `patch' code */
 581
 582         for (int i = 0; i < 127; i += 16) {
 583
 584                 Menu* ctl_menu = manage (new Menu);
 585                 MenuList& ctl_items (ctl_menu->items());
 586
 587
 588                 /* for each controller, consider whether to create a submenu or a single item */
 589
 590                 for (int ctl = i; ctl < i+16; ++ctl) {
 591
 592                         if (ctl == MIDI_CTL_MSB_BANK || ctl == MIDI_CTL_LSB_BANK) {
 593                                 continue;
 594                         }
 595
 596                         if (chn_cnt > 1) {
 597
 598                                 /* multiple channels - create a submenu, with 1 item per channel */
 599
 600                                 Menu* chn_menu = manage (new Menu);
 601                                 MenuList& chn_items (chn_menu->items());
 602
 603                                 /* add a couple of items to hide/show this controller on all channels */
 604
 605                                 Evoral::Parameter param_without_channel (MidiCCAutomation, 0, ctl);
 606                                 chn_items.push_back (MenuElem (_("Hide all channels"),
 607                                                                     sigc::bind (sigc::mem_fun (*this, &MidiTimeAxisView::change_all_channel_tracks_visibility),
 608                                                                                 false, param_without_channel)));
 609                                 chn_items.push_back (MenuElem (_("Show all channels"),
 610                                                                     sigc::bind (sigc::mem_fun (*this, &MidiTimeAxisView::change_all_channel_tracks_visibility),
 611                                                                                 true, param_without_channel)));
 612
 613                                 for (uint8_t chn = 0; chn < 16; chn++) {
 614                                         if (selected_channels & (0x0001 << chn)) {
 615
 616                                                 /* for each selected channel, add a menu item for this controller */
 617
 618                                                 Evoral::Parameter fully_qualified_param (MidiCCAutomation, chn, ctl);
 619                                                 chn_items.push_back (CheckMenuElem (string_compose (_("Channel %1"), chn+1),
 620                                                                                     sigc::bind (sigc::mem_fun (*this, &RouteTimeAxisView::toggle_automation_track),
 621                                                                                                 fully_qualified_param)));
 622
 623                                                 boost::shared_ptr<AutomationTimeAxisView> track = automation_child (fully_qualified_param);
 624                                                 bool visible = false;
 625
 626                                                 if (track) {
 627                                                         if (track->marked_for_display()) {
 628                                                                 visible = true;
 629                                                         }
 630                                                 }
 631
 632                                                 CheckMenuItem* cmi = static_cast<CheckMenuItem*>(&chn_items.back());
 633                                                 _controller_menu_map[fully_qualified_param] = cmi;
 634                                                 cmi->set_active (visible);
 635                                         }
 636                                 }
 637
 638                                 /* add the per-channel menu to the list of controllers, with the name of the controller */
 639                                 ctl_items.push_back (MenuElem (string_compose ("<b>%1</b>: %2", ctl, midi_name (ctl)), *chn_menu));
 640                                 dynamic_cast<Label*> (ctl_items.back().get_child())->set_use_markup (true);
 641
 642                         } else {
 643
 644                                 /* just one channel - create a single menu item for this ctl+channel combination*/
 645
 646                                 for (uint8_t chn = 0; chn < 16; chn++) {
 647                                         if (selected_channels & (0x0001 << chn)) {
 648
 649                                                 Evoral::Parameter fully_qualified_param (MidiCCAutomation, chn, ctl);
 650                                                 ctl_items.push_back (
 651                                                         CheckMenuElem (
 652                                                                 string_compose ("<b>%1</b>: %2 [%3]", ctl, midi_name (ctl), int (chn)),
 653                                                                 sigc::bind (sigc::mem_fun (*this, &RouteTimeAxisView::toggle_automation_track),
 654                                                                             fully_qualified_param)
 655                                                                 )
 656                                                         );
 657                                                 dynamic_cast<Label*> (ctl_items.back().get_child())->set_use_markup (true);
 658
 659                                                 boost::shared_ptr<AutomationTimeAxisView> track = automation_child (fully_qualified_param);
 660                                                 bool visible = false;
 661
 662                                                 if (track) {
 663                                                         if (track->marked_for_display()) {
 664                                                                 visible = true;
 665                                                         }
 666                                                 }
 667
 668                                                 CheckMenuItem* cmi = static_cast<CheckMenuItem*>(&ctl_items.back());
 669                                                 _controller_menu_map[fully_qualified_param] = cmi;
 670                                                 cmi->set_active (visible);
 671
 672                                                 /* one channel only */
 673                                                 break;
 674                                         }
 675                                 }
 676                         }
 677                 }
 678
 679                 /* add the menu for this block of controllers to the overall controller menu */
 680
 681                 items.push_back (MenuElem (string_compose (_("Controllers %1-%2"), i, i+15), *ctl_menu));
 682         }
 683 }
 684
 685 Gtk::Menu*
 686 MidiTimeAxisView::build_note_mode_menu()
 687 {
 688         using namespace Menu_Helpers;
 689
 690         Menu* mode_menu = manage (new Menu);
 691         MenuList& items = mode_menu->items();
 692         mode_menu->set_name ("ArdourContextMenu");
 693
 694         RadioMenuItem::Group mode_group;
 695         items.push_back (RadioMenuElem (mode_group, _("Sustained"),
 696                                 sigc::bind (sigc::mem_fun (*this, &MidiTimeAxisView::set_note_mode), Sustained)));
 697         _note_mode_item = dynamic_cast<RadioMenuItem*>(&items.back());
 698         _note_mode_item->set_active(_note_mode == Sustained);
 699
 700         items.push_back (RadioMenuElem (mode_group, _("Percussive"),
 701                                 sigc::bind (sigc::mem_fun (*this, &MidiTimeAxisView::set_note_mode), Percussive)));
 702         _percussion_mode_item = dynamic_cast<RadioMenuItem*>(&items.back());
 703         _percussion_mode_item->set_active(_note_mode == Percussive);
 704
 705         return mode_menu;
 706 }
 707
 708 Gtk::Menu*
 709 MidiTimeAxisView::build_color_mode_menu()
 710 {
 711         using namespace Menu_Helpers;
 712
 713         Menu* mode_menu = manage (new Menu);
 714         MenuList& items = mode_menu->items();
 715         mode_menu->set_name ("ArdourContextMenu");
 716
 717         RadioMenuItem::Group mode_group;
 718         items.push_back (RadioMenuElem (mode_group, _("Meter Colors"),
 719                                         sigc::bind (sigc::mem_fun (*this, &MidiTimeAxisView::set_color_mode),
 720                                                     MeterColors, false, true)));
 721         _meter_color_mode_item = dynamic_cast<RadioMenuItem*>(&items.back());
 722         _meter_color_mode_item->set_active(_color_mode == MeterColors);
 723
 724         items.push_back (RadioMenuElem (mode_group, _("Channel Colors"),
 725                                         sigc::bind (sigc::mem_fun (*this, &MidiTimeAxisView::set_color_mode),
 726                                                     ChannelColors, false, true)));
 727         _channel_color_mode_item = dynamic_cast<RadioMenuItem*>(&items.back());
 728         _channel_color_mode_item->set_active(_color_mode == ChannelColors);
 729
 730         items.push_back (RadioMenuElem (mode_group, _("Track Color"),
 731                                         sigc::bind (sigc::mem_fun (*this, &MidiTimeAxisView::set_color_mode),
 732                                                     TrackColor, false, true)));
 733         _channel_color_mode_item = dynamic_cast<RadioMenuItem*>(&items.back());
 734         _channel_color_mode_item->set_active(_color_mode == TrackColor);
 735
 736         return mode_menu;
 737 }
 738
 739 void
 740 MidiTimeAxisView::set_note_mode(NoteMode mode)
 741 {
 742         if (_note_mode != mode || midi_track()->note_mode() != mode) {
 743                 _note_mode = mode;
 744                 midi_track()->set_note_mode(mode);
 745                 set_gui_property ("note-mode", enum_2_string(_note_mode));
 746                 _view->redisplay_track();
 747         }
 748 }
 749
 750 void
 751 MidiTimeAxisView::set_color_mode (ColorMode mode, bool force, bool redisplay)
 752 {
 753         if (_color_mode == mode && !force) {
 754                 return;
 755         }
 756
 757         if (mode == ChannelColors) {
 758                 _channel_selector.set_channel_colors(CanvasNoteEvent::midi_channel_colors);
 759         } else {
 760                 _channel_selector.set_default_channel_color();
 761         }
 762
 763         _color_mode = mode;
 764         set_gui_property ("color-mode", enum_2_string(_color_mode));
 765         if (redisplay) {
 766                 _view->redisplay_track();
 767         }
 768 }
 769
 770 void
 771 MidiTimeAxisView::set_note_range(MidiStreamView::VisibleNoteRange range)
 772 {
 773         if (!_ignore_signals)
 774                 midi_view()->set_note_range(range);
 775 }
 776
 777
 778 void
 779 MidiTimeAxisView::update_range()
 780 {
 781         MidiGhostRegion* mgr;
 782
 783         for(list<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
 784                 if ((mgr = dynamic_cast<MidiGhostRegion*>(*i)) != 0) {
 785                         mgr->update_range();
 786                 }
 787         }
 788 }
 789
 790 void
 791 MidiTimeAxisView::show_all_automation (bool apply_to_selection)
 792 {
 793         if (apply_to_selection) {
 794                 _editor.get_selection().tracks.foreach_midi_time_axis (boost::bind (&MidiTimeAxisView::show_all_automation, _1, false));
 795         } else {
 796                 if (midi_track()) {
 797                         const set<Evoral::Parameter> params = midi_track()->midi_playlist()->contained_automation();
 798
 799                         for (set<Evoral::Parameter>::const_iterator i = params.begin(); i != params.end(); ++i) {
 800                                 create_automation_child(*i, true);
 801                         }
 802                 }
 803
 804                 RouteTimeAxisView::show_all_automation ();
 805         }
 806 }
 807
 808 void
 809 MidiTimeAxisView::show_existing_automation (bool apply_to_selection)
 810 {
 811         if (apply_to_selection) {
 812                 _editor.get_selection().tracks.foreach_midi_time_axis (boost::bind (&MidiTimeAxisView::show_existing_automation, _1, false));
 813         } else {
 814                 if (midi_track()) {
 815                         const set<Evoral::Parameter> params = midi_track()->midi_playlist()->contained_automation();
 816
 817                         for (set<Evoral::Parameter>::const_iterator i = params.begin(); i != params.end(); ++i) {
 818                                 create_automation_child (*i, true);
 819                         }
 820                 }
 821
 822                 RouteTimeAxisView::show_existing_automation ();
 823         }
 824 }
 825
 826 /** Create an automation track for the given parameter (pitch bend, channel pressure).
 827  */
 828 void
 829 MidiTimeAxisView::create_automation_child (const Evoral::Parameter& param, bool show)
 830 {
 831         if (param.type() == NullAutomation) {
 832                 cerr << "WARNING: Attempt to create NullAutomation child, ignoring" << endl;
 833                 return;
 834         }
 835
 836         AutomationTracks::iterator existing = _automation_tracks.find (param);
 837
 838         if (existing != _automation_tracks.end()) {
 839
 840                 /* automation track created because we had existing data for
 841                  * the processor, but visibility may need to be controlled
 842                  * since it will have been set visible by default.
 843                  */
 844
 845                 cerr << "show existing auto track: " << show << " noredraw " << no_redraw << endl;
 846
 847                 if (existing->second->set_marked_for_display (show) && !no_redraw) {
 848                         request_redraw ();
 849                 }
 850
 851                 return;
 852         }
 853
 854         boost::shared_ptr<AutomationTimeAxisView> track;
 855
 856         switch (param.type()) {
 857
 858         case GainAutomation:
 859                 create_gain_automation_child (param, show);
 860                 break;
 861
 862         case PluginAutomation:
 863                 /* handled elsewhere */
 864                 break;
 865
 866         case MidiCCAutomation:
 867         case MidiPgmChangeAutomation:
 868         case MidiPitchBenderAutomation:
 869         case MidiChannelPressureAutomation:
 870         case MidiSystemExclusiveAutomation:
 871                 /* These controllers are region "automation" - they are owned
 872                  * by regions (and their MidiModels), not by the track. As a
 873                  * result we do not create an AutomationList/Line for the track
 874                  * ... except here we are doing something!! XXX
 875                  */
 876
 877                 track.reset (new AutomationTimeAxisView (
 878                                      _session,
 879                                      _route,
 880                                      boost::shared_ptr<Automatable> (),
 881                                      boost::shared_ptr<AutomationControl> (),
 882                                      param,
 883                                      _editor,
 884                                      *this,
 885                                      true,
 886                                      parent_canvas,
 887                                      _route->describe_parameter(param)
 888                                      ));
 889
 890                 if (_view) {
 891                         _view->foreach_regionview (sigc::mem_fun (*track.get(), &TimeAxisView::add_ghost));
 892                 }
 893
 894                 add_automation_child (param, track, show);
 895                 break;
 896
 897         default:
 898                 error << "MidiTimeAxisView: unknown automation child " << EventTypeMap::instance().to_symbol(param) << endmsg;
 899         }
 900 }
 901
 902 void
 903 MidiTimeAxisView::route_active_changed ()
 904 {
 905         RouteUI::route_active_changed ();
 906
 907         if (is_track()) {
 908                 if (_route->active()) {
 909                         controls_ebox.set_name ("MidiTrackControlsBaseUnselected");
 910                         controls_base_selected_name = "MidiTrackControlsBaseSelected";
 911                         controls_base_unselected_name = "MidiTrackControlsBaseUnselected";
 912                 } else {
 913                         controls_ebox.set_name ("MidiTrackControlsBaseInactiveUnselected");
 914                         controls_base_selected_name = "MidiTrackControlsBaseInactiveSelected";
 915                         controls_base_unselected_name = "MidiTrackControlsBaseInactiveUnselected";
 916                 }
 917         } else {
 918
 919                 throw; // wha?
 920
 921                 if (_route->active()) {
 922                         controls_ebox.set_name ("BusControlsBaseUnselected");
 923                         controls_base_selected_name = "BusControlsBaseSelected";
 924                         controls_base_unselected_name = "BusControlsBaseUnselected";
 925                 } else {
 926                         controls_ebox.set_name ("BusControlsBaseInactiveUnselected");
 927                         controls_base_selected_name = "BusControlsBaseInactiveSelected";
 928                         controls_base_unselected_name = "BusControlsBaseInactiveUnselected";
 929                 }
 930         }
 931 }
 932
 933
 934
 935 void
 936 MidiTimeAxisView::add_note_selection (uint8_t note)
 937 {
 938         if (!_editor.internal_editing()) {
 939                 return;
 940         }
 941
 942         uint16_t chn_mask = _channel_selector.get_selected_channels();
 943
 944         if (_view->num_selected_regionviews() == 0) {
 945                 _view->foreach_regionview (sigc::bind (sigc::mem_fun (*this, &MidiTimeAxisView::add_note_selection_region_view), note, chn_mask));
 946         } else {
 947                 _view->foreach_selected_regionview (sigc::bind (sigc::mem_fun (*this, &MidiTimeAxisView::add_note_selection_region_view), note, chn_mask));
 948         }
 949 }
 950
 951 void
 952 MidiTimeAxisView::extend_note_selection (uint8_t note)
 953 {
 954         if (!_editor.internal_editing()) {
 955                 return;
 956         }
 957
 958         uint16_t chn_mask = _channel_selector.get_selected_channels();
 959
 960         if (_view->num_selected_regionviews() == 0) {
 961                 _view->foreach_regionview (sigc::bind (sigc::mem_fun (*this, &MidiTimeAxisView::extend_note_selection_region_view), note, chn_mask));
 962         } else {
 963                 _view->foreach_selected_regionview (sigc::bind (sigc::mem_fun (*this, &MidiTimeAxisView::extend_note_selection_region_view), note, chn_mask));
 964         }
 965 }
 966
 967 void
 968 MidiTimeAxisView::toggle_note_selection (uint8_t note)
 969 {
 970         if (!_editor.internal_editing()) {
 971                 return;
 972         }
 973
 974         uint16_t chn_mask = _channel_selector.get_selected_channels();
 975
 976         if (_view->num_selected_regionviews() == 0) {
 977                 _view->foreach_regionview (sigc::bind (sigc::mem_fun (*this, &MidiTimeAxisView::toggle_note_selection_region_view), note, chn_mask));
 978         } else {
 979                 _view->foreach_selected_regionview (sigc::bind (sigc::mem_fun (*this, &MidiTimeAxisView::toggle_note_selection_region_view), note, chn_mask));
 980         }
 981 }
 982
 983 void
 984 MidiTimeAxisView::add_note_selection_region_view (RegionView* rv, uint8_t note, uint16_t chn_mask)
 985 {
 986         dynamic_cast<MidiRegionView*>(rv)->select_matching_notes (note, chn_mask, false, false);
 987 }
 988
 989 void
 990 MidiTimeAxisView::extend_note_selection_region_view (RegionView* rv, uint8_t note, uint16_t chn_mask)
 991 {
 992         dynamic_cast<MidiRegionView*>(rv)->select_matching_notes (note, chn_mask, true, true);
 993 }
 994
 995 void
 996 MidiTimeAxisView::toggle_note_selection_region_view (RegionView* rv, uint8_t note, uint16_t chn_mask)
 997 {
 998         dynamic_cast<MidiRegionView*>(rv)->toggle_matching_notes (note, chn_mask);
 999 }
1000
1001 void
1002 MidiTimeAxisView::set_channel_mode (ChannelMode, uint16_t)
1003 {
1004         /* hide all automation tracks that use the wrong channel(s) and show all those that use
1005            the right ones.
1006         */
1007
1008         uint16_t selected_channels = _channel_selector.get_selected_channels();
1009         bool changed = false;
1010
1011         no_redraw = true;
1012
1013         for (uint32_t ctl = 0; ctl < 127; ++ctl) {
1014
1015                 for (uint32_t chn = 0; chn < 16; ++chn) {
1016                         Evoral::Parameter fully_qualified_param (MidiCCAutomation, chn, ctl);
1017                         boost::shared_ptr<AutomationTimeAxisView> track = automation_child (fully_qualified_param);
1018
1019                         if (!track) {
1020                                 continue;
1021                         }
1022
1023                         if ((selected_channels & (0x0001 << chn)) == 0) {
1024                                 /* channel not in use. hiding it will trigger RouteTimeAxisView::automation_track_hidden()
1025                                    which will cause a redraw. We don't want one per channel, so block that with no_redraw.
1026                                  */
1027                                 changed = track->set_marked_for_display (false) || changed;
1028                         } else {
1029                                 changed = track->set_marked_for_display (true) || changed;
1030                         }
1031                 }
1032         }
1033
1034         no_redraw = false;
1035
1036         /* TODO: Bender, Pressure */
1037
1038         /* invalidate the controller menu, so that we rebuild it next time */
1039         _controller_menu_map.clear ();
1040         delete controller_menu;
1041         controller_menu = 0;
1042
1043         if (changed) {
1044                 request_redraw ();
1045         }
1046 }
1047
1048 Gtk::CheckMenuItem*
1049 MidiTimeAxisView::automation_child_menu_item (Evoral::Parameter param)
1050 {
1051         Gtk::CheckMenuItem* m = RouteTimeAxisView::automation_child_menu_item (param);
1052         if (m) {
1053                 return m;
1054         }
1055
1056         ParameterMenuMap::iterator i = _controller_menu_map.find (param);
1057         if (i != _controller_menu_map.end()) {
1058                 return i->second;
1059         }
1060
1061         i = _channel_command_menu_map.find (param);
1062         if (i != _channel_command_menu_map.end()) {
1063                 return i->second;
1064         }
1065
1066         return 0;
1067 }
1068
1069 boost::shared_ptr<MidiRegion>
1070 MidiTimeAxisView::add_region (framepos_t pos, framecnt_t length, bool commit)
1071 {
1072         Editor* real_editor = dynamic_cast<Editor*> (&_editor);
1073
1074         real_editor->begin_reversible_command (Operations::create_region);
1075         playlist()->clear_changes ();
1076
1077         real_editor->snap_to (pos, 0);
1078
1079         boost::shared_ptr<Source> src = _session->create_midi_source_for_session (view()->trackview().track().get(),
1080                                                                                   view()->trackview().track()->name());
1081         PropertyList plist;
1082
1083         plist.add (ARDOUR::Properties::start, 0);
1084         plist.add (ARDOUR::Properties::length, length);
1085         plist.add (ARDOUR::Properties::name, PBD::basename_nosuffix(src->name()));
1086
1087         boost::shared_ptr<Region> region = (RegionFactory::create (src, plist));
1088
1089         playlist()->add_region (region, pos);
1090         _session->add_command (new StatefulDiffCommand (playlist()));
1091
1092         if (commit) {
1093                 real_editor->commit_reversible_command ();
1094         }
1095
1096         return boost::dynamic_pointer_cast<MidiRegion>(region);
1097 }
1098
1099 void
1100 MidiTimeAxisView::ensure_step_editor ()
1101 {
1102         if (!_step_editor) {
1103                 _step_editor = new StepEditor (_editor, midi_track(), *this);
1104         }
1105 }
1106
1107 void
1108 MidiTimeAxisView::start_step_editing ()
1109 {
1110         ensure_step_editor ();
1111         _step_editor->start_step_editing ();
1112
1113 }
1114 void
1115 MidiTimeAxisView::stop_step_editing ()
1116 {
1117         if (_step_editor) {
1118                 _step_editor->stop_step_editing ();
1119         }
1120 }
1121
1122
1123 /** @return channel (counted from 0) to add an event to, based on the current setting
1124  *  of the channel selector.
1125  */
1126 uint8_t
1127 MidiTimeAxisView::get_channel_for_add () const
1128 {
1129         uint16_t const chn_mask = _channel_selector.get_selected_channels ();
1130         int chn_cnt = 0;
1131         uint8_t channel = 0;
1132
1133         /* pick the highest selected channel, unless all channels are selected,
1134            which is interpreted to mean channel 1 (zero)
1135         */
1136
1137         for (uint16_t i = 0; i < 16; ++i) {
1138                 if (chn_mask & (1<<i)) {
1139                         channel = i;
1140                         chn_cnt++;
1141                 }
1142         }
1143
1144         if (chn_cnt == 16) {
1145                 channel = 0;
1146         }
1147
1148         return channel;
1149 }