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/processor.h>
  41 #include <ardour/ladspa_plugin.h>
  42 #include <ardour/location.h>
  43 #include <ardour/playlist.h>
  44 #include <ardour/session.h>
  45 #include <ardour/session_playlist.h>
  46 #include <ardour/utils.h>
  47
  48 #include "ardour_ui.h"
  49 #include "midi_time_axis.h"
  50 #include "automation_time_axis.h"
  51 #include "automation_line.h"
  52 #include "add_midi_cc_track_dialog.h"
  53 #include "canvas_impl.h"
  54 #include "crossfade_view.h"
  55 #include "enums.h"
  56 #include "gui_thread.h"
  57 #include "keyboard.h"
  58 #include "playlist_selector.h"
  59 #include "plugin_selector.h"
  60 #include "plugin_ui.h"
  61 #include "point_selection.h"
  62 #include "prompter.h"
  63 #include "public_editor.h"
  64 #include "region_view.h"
  65 #include "rgb_macros.h"
  66 #include "selection.h"
  67 #include "simplerect.h"
  68 #include "midi_streamview.h"
  69 #include "utils.h"
  70 #include "midi_scroomer.h"
  71 #include "piano_roll_header.h"
  72 #include "ghostregion.h"
  73
  74 #include <ardour/midi_track.h>
  75
  76 #include "i18n.h"
  77
  78 using namespace ARDOUR;
  79 using namespace PBD;
  80 using namespace Gtk;
  81 using namespace sigc;
  82 using namespace Editing;
  83
  84
  85 MidiTimeAxisView::MidiTimeAxisView (PublicEditor& ed, Session& sess, boost::shared_ptr<Route> rt, Canvas& canvas)
  86         : AxisView(sess) // virtually inherited
  87         , RouteTimeAxisView(ed, sess, rt, canvas)
  88         , _ignore_signals(false)
  89         , _range_scroomer(0)
  90         , _piano_roll_header(0)
  91         , _note_mode(Sustained)
  92         , _note_mode_item(NULL)
  93         , _percussion_mode_item(NULL)
  94         , _midi_expander("MIDI")
  95 {
  96         subplugin_menu.set_name ("ArdourContextMenu");
  97
  98         _view = new MidiStreamView (*this);
  99
 100         ignore_toggle = false;
 101
 102         mute_button->set_active (false);
 103         solo_button->set_active (false);
 104
 105         if (is_midi_track()) {
 106                 controls_ebox.set_name ("MidiTimeAxisViewControlsBaseUnselected");
 107                 _note_mode = midi_track()->note_mode();
 108         } else { // MIDI bus (which doesn't exist yet..)
 109                 controls_ebox.set_name ("MidiBusControlsBaseUnselected");
 110         }
 111
 112         /* map current state of the route */
 113
 114         processors_changed ();
 115
 116         ensure_xml_node ();
 117
 118         set_state (*xml_node);
 119
 120         _route->processors_changed.connect (mem_fun(*this, &MidiTimeAxisView::processors_changed));
 121
 122         if (is_track()) {
 123                 _piano_roll_header = new PianoRollHeader(*midi_view());
 124                 _range_scroomer = new MidiScroomer(midi_view()->note_range_adjustment);
 125
 126                 controls_hbox.pack_start(*_range_scroomer);
 127                 controls_hbox.pack_start(*_piano_roll_header);
 128
 129                 controls_ebox.set_name ("MidiTrackControlsBaseUnselected");
 130                 controls_base_selected_name = "MidiTrackControlsBaseSelected";
 131                 controls_base_unselected_name = "MidiTrackControlsBaseUnselected";
 132
 133                 midi_view()->NoteRangeChanged.connect (mem_fun(*this, &MidiTimeAxisView::update_range));
 134
 135                 /* ask for notifications of any new RegionViews */
 136                 _view->RegionViewAdded.connect (mem_fun(*this, &MidiTimeAxisView::region_view_added));
 137                 _view->attach ();
 138         }
 139
 140         // add channel selector expander
 141         HBox *channel_selector_box = manage(new HBox());
 142         channel_selector_box->pack_start(_channel_selector, SHRINK, 0);
 143         _midi_expander.add(*channel_selector_box);
 144         _midi_expander.property_expanded().signal_changed().connect(
 145                         mem_fun(this, &MidiTimeAxisView::channel_selector_toggled));
 146         controls_vbox.pack_end(_midi_expander, SHRINK, 0);
 147         boost::shared_ptr<MidiDiskstream> diskstream = midi_track()->midi_diskstream();
 148
 149         // restore channel selector settings
 150         _channel_selector.set_channel_mode(diskstream->get_channel_mode(), diskstream->get_channel_mask());
 151         _channel_selector.mode_changed.connect(
 152                 mem_fun(*midi_track()->midi_diskstream(), &MidiDiskstream::set_channel_mode));
 153
 154 }
 155
 156 MidiTimeAxisView::~MidiTimeAxisView ()
 157 {
 158         delete _piano_roll_header;
 159         _piano_roll_header = 0;
 160
 161         delete _range_scroomer;
 162         _range_scroomer = 0;
 163 }
 164
 165 MidiStreamView*
 166 MidiTimeAxisView::midi_view()
 167 {
 168         return dynamic_cast<MidiStreamView*>(_view);
 169 }
 170
 171 guint32
 172 MidiTimeAxisView::show_at (double y, int& nth, Gtk::VBox *parent)
 173 {
 174         ensure_xml_node ();
 175         xml_node->add_property ("shown_editor", "yes");
 176
 177         guint32 ret = TimeAxisView::show_at (y, nth, parent);
 178         _piano_roll_header->show();
 179         _range_scroomer->show();
 180         return ret;
 181 }
 182
 183 void
 184 MidiTimeAxisView::hide ()
 185 {
 186         ensure_xml_node ();
 187         xml_node->add_property ("shown_editor", "no");
 188
 189         TimeAxisView::hide ();
 190 }
 191
 192 void
 193 MidiTimeAxisView::set_height (uint32_t h)
 194 {
 195         RouteTimeAxisView::set_height (h);
 196
 197         if (height >= hLarger) {
 198                 _midi_expander.show();
 199                 if (is_track() && _range_scroomer)
 200                         _range_scroomer->show();
 201                 if (is_track() && _piano_roll_header)
 202                         _piano_roll_header->show();
 203
 204         } else if (height >= hLarge) {
 205                 _midi_expander.show();
 206                 _midi_expander.set_expanded(FALSE);
 207                 if (is_track() && _range_scroomer)
 208                         _range_scroomer->show();
 209                 if (is_track() && _piano_roll_header)
 210                         _piano_roll_header->show();
 211
 212         } else if (height >= hNormal) {
 213                 _midi_expander.show();
 214                 _midi_expander.set_expanded(FALSE);
 215                 if (is_track() && _range_scroomer)
 216                         _range_scroomer->hide();
 217                 if (is_track() && _piano_roll_header)
 218                         _piano_roll_header->hide();
 219         } else {
 220                 _midi_expander.hide();
 221                 _midi_expander.set_expanded(FALSE);
 222                 if (is_track() && _range_scroomer)
 223                         _range_scroomer->hide();
 224                 if (is_track() && _piano_roll_header)
 225                         _piano_roll_header->hide();
 226         }
 227 }
 228
 229 void
 230 MidiTimeAxisView::append_extra_display_menu_items ()
 231 {
 232         using namespace Menu_Helpers;
 233
 234         MenuList& items = display_menu->items();
 235
 236         // Note range
 237         Menu *range_menu = manage(new Menu);
 238         MenuList& range_items = range_menu->items();
 239         range_menu->set_name ("ArdourContextMenu");
 240
 241         range_items.push_back (MenuElem (_("Show Full Range"), bind (
 242                         mem_fun(*this, &MidiTimeAxisView::set_note_range),
 243                         MidiStreamView::FullRange)));
 244
 245         range_items.push_back (MenuElem (_("Fit Contents"), bind (
 246                         mem_fun(*this, &MidiTimeAxisView::set_note_range),
 247                         MidiStreamView::ContentsRange)));
 248
 249         items.push_back (MenuElem (_("Note range"), *range_menu));
 250 }
 251
 252 void
 253 MidiTimeAxisView::build_automation_action_menu ()
 254 {
 255         using namespace Menu_Helpers;
 256
 257         RouteTimeAxisView::build_automation_action_menu ();
 258
 259         MenuList& automation_items = automation_action_menu->items();
 260
 261         automation_items.push_back (SeparatorElem());
 262         automation_items.push_back (MenuElem (_("Controller..."),
 263                         mem_fun(*this, &MidiTimeAxisView::add_cc_track)));
 264         automation_items.push_back (MenuElem (_("Bender"),
 265                         sigc::bind(mem_fun(*this, &MidiTimeAxisView::add_parameter_track),
 266                                 Evoral::Parameter(MidiPitchBenderAutomation))));
 267         automation_items.push_back (MenuElem (_("Pressure"),
 268                         sigc::bind(mem_fun(*this, &MidiTimeAxisView::add_parameter_track),
 269                                 Evoral::Parameter(MidiChannelPressureAutomation))));
 270
 271 }
 272
 273 Gtk::Menu*
 274 MidiTimeAxisView::build_mode_menu()
 275 {
 276         using namespace Menu_Helpers;
 277
 278         Menu* mode_menu = manage (new Menu);
 279         MenuList& items = mode_menu->items();
 280         mode_menu->set_name ("ArdourContextMenu");
 281
 282         RadioMenuItem::Group mode_group;
 283         items.push_back (RadioMenuElem (mode_group, _("Sustained"),
 284                                 bind (mem_fun (*this, &MidiTimeAxisView::set_note_mode), Sustained)));
 285         _note_mode_item = dynamic_cast<RadioMenuItem*>(&items.back());
 286         _note_mode_item->set_active(_note_mode == Sustained);
 287
 288         items.push_back (RadioMenuElem (mode_group, _("Percussive"),
 289                                 bind (mem_fun (*this, &MidiTimeAxisView::set_note_mode), Percussive)));
 290         _percussion_mode_item = dynamic_cast<RadioMenuItem*>(&items.back());
 291         _percussion_mode_item->set_active(_note_mode == Percussive);
 292
 293         return mode_menu;
 294 }
 295
 296 void
 297 MidiTimeAxisView::set_note_mode(NoteMode mode)
 298 {
 299         if (_note_mode != mode || midi_track()->note_mode() != mode) {
 300                 _note_mode = mode;
 301                 midi_track()->set_note_mode(mode);
 302                 _view->redisplay_diskstream();
 303         }
 304 }
 305
 306
 307 void
 308 MidiTimeAxisView::set_note_range(MidiStreamView::VisibleNoteRange range)
 309 {
 310         if (!_ignore_signals)
 311                 midi_view()->set_note_range(range);
 312 }
 313
 314
 315 void
 316 MidiTimeAxisView::update_range()
 317 {
 318         MidiGhostRegion* mgr;
 319
 320         for(list<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
 321                 if ((mgr = dynamic_cast<MidiGhostRegion*>(*i)) != 0) {
 322                         mgr->update_range();
 323                 }
 324         }
 325 }
 326
 327 void
 328 MidiTimeAxisView::show_all_automation ()
 329 {
 330         if (midi_track()) {
 331                 const set<Evoral::Parameter> params = midi_track()->midi_diskstream()->
 332                                 midi_playlist()->contained_automation();
 333
 334                 for (set<Evoral::Parameter>::const_iterator i = params.begin(); i != params.end(); ++i) {
 335                         create_automation_child(*i, true);
 336                 }
 337         }
 338
 339         RouteTimeAxisView::show_all_automation ();
 340 }
 341
 342 void
 343 MidiTimeAxisView::show_existing_automation ()
 344 {
 345         if (midi_track()) {
 346                 const set<Evoral::Parameter> params = midi_track()->midi_diskstream()->
 347                                 midi_playlist()->contained_automation();
 348
 349                 for (set<Evoral::Parameter>::const_iterator i = params.begin(); i != params.end(); ++i) {
 350                         create_automation_child(*i, true);
 351                 }
 352         }
 353
 354         RouteTimeAxisView::show_existing_automation ();
 355 }
 356
 357 /** Prompt for a controller with a dialog and add an automation track for it
 358  */
 359 void
 360 MidiTimeAxisView::add_cc_track()
 361 {
 362         int response;
 363         Evoral::Parameter param(0, 0, 0);
 364
 365         {
 366                 AddMidiCCTrackDialog dialog;
 367                 dialog.set_transient_for(editor);
 368                 response = dialog.run();
 369
 370                 if (response == Gtk::RESPONSE_ACCEPT)
 371                         param = dialog.parameter();
 372         }
 373
 374         if (param.type() != 0 && response == Gtk::RESPONSE_ACCEPT)
 375                 create_automation_child(param, true);
 376 }
 377
 378
 379 /** Add an automation track for the given parameter (pitch bend, channel pressure).
 380  */
 381 void
 382 MidiTimeAxisView::add_parameter_track(const Evoral::Parameter& param)
 383 {
 384         create_automation_child(param, true);
 385 }
 386
 387 void
 388 MidiTimeAxisView::create_automation_child (const Evoral::Parameter& param, bool show)
 389 {
 390         if (    param.type() == MidiCCAutomation ||
 391                         param.type() == MidiPgmChangeAutomation ||
 392                         param.type() == MidiPitchBenderAutomation ||
 393                         param.type() == MidiChannelPressureAutomation
 394            ) {
 395
 396                 /* These controllers are region "automation", so we do not create
 397                  * an AutomationList/Line for the track */
 398
 399                 AutomationTracks::iterator existing = _automation_tracks.find(param);
 400                 if (existing != _automation_tracks.end())
 401                         return;
 402
 403                 boost::shared_ptr<AutomationControl> c
 404                         = boost::dynamic_pointer_cast<AutomationControl>(_route->data().control(param));
 405
 406                 if (!c) {
 407                         c = boost::dynamic_pointer_cast<AutomationControl>(_route->control_factory(param));
 408                         _route->add_control(c);
 409                 }
 410
 411                 boost::shared_ptr<AutomationTimeAxisView> track(new AutomationTimeAxisView (_session,
 412                                 _route, boost::shared_ptr<ARDOUR::Automatable>(), c,
 413                                 editor,
 414                                 *this,
 415                                 true,
 416                                 parent_canvas,
 417                                 _route->describe_parameter(param)));
 418
 419                 add_automation_child(param, track, show);
 420
 421         } else {
 422                 error << "MidiTimeAxisView: unknown automation child "
 423                         << ARDOUR::EventTypeMap::instance().to_symbol(param) << endmsg;
 424         }
 425 }
 426
 427 void
 428 MidiTimeAxisView::route_active_changed ()
 429 {
 430         RouteUI::route_active_changed ();
 431
 432         if (is_track()) {
 433                 if (_route->active()) {
 434                         controls_ebox.set_name ("MidiTrackControlsBaseUnselected");
 435                         controls_base_selected_name = "MidiTrackControlsBaseSelected";
 436                         controls_base_unselected_name = "MidiTrackControlsBaseUnselected";
 437                 } else {
 438                         controls_ebox.set_name ("MidiTrackControlsBaseInactiveUnselected");
 439                         controls_base_selected_name = "MidiTrackControlsBaseInactiveSelected";
 440                         controls_base_unselected_name = "MidiTrackControlsBaseInactiveUnselected";
 441                 }
 442         } else {
 443
 444                 throw; // wha?
 445
 446                 if (_route->active()) {
 447                         controls_ebox.set_name ("BusControlsBaseUnselected");
 448                         controls_base_selected_name = "BusControlsBaseSelected";
 449                         controls_base_unselected_name = "BusControlsBaseUnselected";
 450                 } else {
 451                         controls_ebox.set_name ("BusControlsBaseInactiveUnselected");
 452                         controls_base_selected_name = "BusControlsBaseInactiveSelected";
 453                         controls_base_unselected_name = "BusControlsBaseInactiveUnselected";
 454                 }
 455         }
 456 }
 457
 458 void
 459 MidiTimeAxisView::channel_selector_toggled()
 460 {
 461         static uint32_t previous_height;
 462
 463         if(_midi_expander.property_expanded()) {
 464
 465                 previous_height = current_height();
 466
 467                 if (previous_height < TimeAxisView::hLargest) {
 468                         set_height (TimeAxisView::hLarge);
 469                 }
 470
 471         } else {
 472
 473                 set_height (previous_height);
 474         }
 475 }
 476
 477
 478