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 // Minimum height at which a control is displayed
  85 static const uint32_t CHANNEL_MIN_HEIGHT = 80;
  86 static const uint32_t KEYBOARD_MIN_HEIGHT = 140;
  87
  88 MidiTimeAxisView::MidiTimeAxisView (PublicEditor& ed, Session& sess, boost::shared_ptr<Route> rt, Canvas& canvas)
  89         : AxisView(sess) // virtually inherited
  90         , RouteTimeAxisView(ed, sess, rt, canvas)
  91         , _ignore_signals(false)
  92         , _range_scroomer(0)
  93         , _piano_roll_header(0)
  94         , _note_mode(Sustained)
  95         , _note_mode_item(NULL)
  96         , _percussion_mode_item(NULL)
  97         , _midi_expander("Channel")
  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         // add channel selector expander
 144         HBox *channel_selector_box = manage(new HBox());
 145         channel_selector_box->pack_start(_channel_selector, false, false);
 146         _midi_expander.add(*channel_selector_box);
 147         _midi_expander.property_expanded().signal_changed().connect(
 148                         mem_fun(this, &MidiTimeAxisView::channel_selector_toggled));
 149         controls_vbox.pack_start(_midi_expander, false, false);
 150         boost::shared_ptr<MidiDiskstream> diskstream = midi_track()->midi_diskstream();
 151
 152         // restore channel selector settings
 153         _channel_selector.set_channel_mode(diskstream->get_channel_mode(), diskstream->get_channel_mask());
 154         _channel_selector.mode_changed.connect(
 155                 mem_fun(*midi_track()->midi_diskstream(), &MidiDiskstream::set_channel_mode));
 156
 157 }
 158
 159 MidiTimeAxisView::~MidiTimeAxisView ()
 160 {
 161         delete _piano_roll_header;
 162         _piano_roll_header = 0;
 163
 164         delete _range_scroomer;
 165         _range_scroomer = 0;
 166 }
 167
 168 MidiStreamView*
 169 MidiTimeAxisView::midi_view()
 170 {
 171         return dynamic_cast<MidiStreamView*>(_view);
 172 }
 173
 174 guint32
 175 MidiTimeAxisView::show_at (double y, int& nth, Gtk::VBox *parent)
 176 {
 177         ensure_xml_node ();
 178         xml_node->add_property ("shown-editor", "yes");
 179
 180         guint32 ret = TimeAxisView::show_at (y, nth, parent);
 181         return ret;
 182 }
 183
 184 void
 185 MidiTimeAxisView::hide ()
 186 {
 187         ensure_xml_node ();
 188         xml_node->add_property ("shown-editor", "no");
 189
 190         TimeAxisView::hide ();
 191 }
 192
 193 void
 194 MidiTimeAxisView::set_height (uint32_t h)
 195 {
 196         RouteTimeAxisView::set_height (h);
 197
 198         if (height >= CHANNEL_MIN_HEIGHT) {
 199                 _midi_expander.show();
 200         } else {
 201                 _midi_expander.hide();
 202         }
 203
 204         if (height >= KEYBOARD_MIN_HEIGHT) {
 205                 if (is_track() && _range_scroomer)
 206                         _range_scroomer->show();
 207                 if (is_track() && _piano_roll_header)
 208                         _piano_roll_header->show();
 209         } else {
 210                 if (is_track() && _range_scroomer)
 211                         _range_scroomer->hide();
 212                 if (is_track() && _piano_roll_header)
 213                         _piano_roll_header->hide();
 214         }
 215 }
 216
 217 void
 218 MidiTimeAxisView::append_extra_display_menu_items ()
 219 {
 220         using namespace Menu_Helpers;
 221
 222         MenuList& items = display_menu->items();
 223
 224         // Note range
 225         Menu *range_menu = manage(new Menu);
 226         MenuList& range_items = range_menu->items();
 227         range_menu->set_name ("ArdourContextMenu");
 228
 229         range_items.push_back (MenuElem (_("Show Full Range"), bind (
 230                         mem_fun(*this, &MidiTimeAxisView::set_note_range),
 231                         MidiStreamView::FullRange)));
 232
 233         range_items.push_back (MenuElem (_("Fit Contents"), bind (
 234                         mem_fun(*this, &MidiTimeAxisView::set_note_range),
 235                         MidiStreamView::ContentsRange)));
 236
 237         items.push_back (MenuElem (_("Note range"), *range_menu));
 238 }
 239
 240 void
 241 MidiTimeAxisView::build_automation_action_menu ()
 242 {
 243         using namespace Menu_Helpers;
 244
 245         RouteTimeAxisView::build_automation_action_menu ();
 246
 247         MenuList& automation_items = automation_action_menu->items();
 248
 249         automation_items.push_back (SeparatorElem());
 250         automation_items.push_back (MenuElem (_("Controller..."),
 251                         mem_fun(*this, &MidiTimeAxisView::add_cc_track)));
 252         automation_items.push_back (MenuElem (_("Bender"),
 253                         sigc::bind(mem_fun(*this, &MidiTimeAxisView::add_parameter_track),
 254                                 Evoral::Parameter(MidiPitchBenderAutomation))));
 255         automation_items.push_back (MenuElem (_("Pressure"),
 256                         sigc::bind(mem_fun(*this, &MidiTimeAxisView::add_parameter_track),
 257                                 Evoral::Parameter(MidiChannelPressureAutomation))));
 258
 259 }
 260
 261 Gtk::Menu*
 262 MidiTimeAxisView::build_mode_menu()
 263 {
 264         using namespace Menu_Helpers;
 265
 266         Menu* mode_menu = manage (new Menu);
 267         MenuList& items = mode_menu->items();
 268         mode_menu->set_name ("ArdourContextMenu");
 269
 270         RadioMenuItem::Group mode_group;
 271         items.push_back (RadioMenuElem (mode_group, _("Sustained"),
 272                                 bind (mem_fun (*this, &MidiTimeAxisView::set_note_mode), Sustained)));
 273         _note_mode_item = dynamic_cast<RadioMenuItem*>(&items.back());
 274         _note_mode_item->set_active(_note_mode == Sustained);
 275
 276         items.push_back (RadioMenuElem (mode_group, _("Percussive"),
 277                                 bind (mem_fun (*this, &MidiTimeAxisView::set_note_mode), Percussive)));
 278         _percussion_mode_item = dynamic_cast<RadioMenuItem*>(&items.back());
 279         _percussion_mode_item->set_active(_note_mode == Percussive);
 280
 281         return mode_menu;
 282 }
 283
 284 void
 285 MidiTimeAxisView::set_note_mode(NoteMode mode)
 286 {
 287         if (_note_mode != mode || midi_track()->note_mode() != mode) {
 288                 _note_mode = mode;
 289                 midi_track()->set_note_mode(mode);
 290                 _view->redisplay_diskstream();
 291         }
 292 }
 293
 294
 295 void
 296 MidiTimeAxisView::set_note_range(MidiStreamView::VisibleNoteRange range)
 297 {
 298         if (!_ignore_signals)
 299                 midi_view()->set_note_range(range);
 300 }
 301
 302
 303 void
 304 MidiTimeAxisView::update_range()
 305 {
 306         MidiGhostRegion* mgr;
 307
 308         for(list<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
 309                 if ((mgr = dynamic_cast<MidiGhostRegion*>(*i)) != 0) {
 310                         mgr->update_range();
 311                 }
 312         }
 313 }
 314
 315 void
 316 MidiTimeAxisView::show_all_automation ()
 317 {
 318         if (midi_track()) {
 319                 const set<Evoral::Parameter> params = midi_track()->midi_diskstream()->
 320                                 midi_playlist()->contained_automation();
 321
 322                 for (set<Evoral::Parameter>::const_iterator i = params.begin(); i != params.end(); ++i) {
 323                         create_automation_child(*i, true);
 324                 }
 325         }
 326
 327         RouteTimeAxisView::show_all_automation ();
 328 }
 329
 330 void
 331 MidiTimeAxisView::show_existing_automation ()
 332 {
 333         if (midi_track()) {
 334                 const set<Evoral::Parameter> params = midi_track()->midi_diskstream()->
 335                                 midi_playlist()->contained_automation();
 336
 337                 for (set<Evoral::Parameter>::const_iterator i = params.begin(); i != params.end(); ++i) {
 338                         create_automation_child(*i, true);
 339                 }
 340         }
 341
 342         RouteTimeAxisView::show_existing_automation ();
 343 }
 344
 345 /** Prompt for a controller with a dialog and add an automation track for it
 346  */
 347 void
 348 MidiTimeAxisView::add_cc_track()
 349 {
 350         int response;
 351         Evoral::Parameter param(0, 0, 0);
 352
 353         {
 354                 AddMidiCCTrackDialog dialog;
 355                 dialog.set_transient_for(editor);
 356                 response = dialog.run();
 357
 358                 if (response == Gtk::RESPONSE_ACCEPT)
 359                         param = dialog.parameter();
 360         }
 361
 362         if (param.type() != 0 && response == Gtk::RESPONSE_ACCEPT)
 363                 create_automation_child(param, true);
 364 }
 365
 366
 367 /** Add an automation track for the given parameter (pitch bend, channel pressure).
 368  */
 369 void
 370 MidiTimeAxisView::add_parameter_track(const Evoral::Parameter& param)
 371 {
 372         create_automation_child(param, true);
 373 }
 374
 375 void
 376 MidiTimeAxisView::create_automation_child (const Evoral::Parameter& param, bool show)
 377 {
 378         if (    param.type() == MidiCCAutomation ||
 379                         param.type() == MidiPgmChangeAutomation ||
 380                         param.type() == MidiPitchBenderAutomation ||
 381                         param.type() == MidiChannelPressureAutomation
 382            ) {
 383
 384                 /* These controllers are region "automation", so we do not create
 385                  * an AutomationList/Line for the track */
 386
 387                 AutomationTracks::iterator existing = _automation_tracks.find(param);
 388                 if (existing != _automation_tracks.end())
 389                         return;
 390
 391                 boost::shared_ptr<AutomationControl> c
 392                         = boost::dynamic_pointer_cast<AutomationControl>(_route->data().control(param));
 393
 394                 if (!c) {
 395                         c = boost::dynamic_pointer_cast<AutomationControl>(_route->control_factory(param));
 396                         _route->add_control(c);
 397                 }
 398
 399                 boost::shared_ptr<AutomationTimeAxisView> track(new AutomationTimeAxisView (_session,
 400                                 _route, boost::shared_ptr<ARDOUR::Automatable>(), c,
 401                                 editor,
 402                                 *this,
 403                                 true,
 404                                 parent_canvas,
 405                                 _route->describe_parameter(param)));
 406
 407                 add_automation_child(param, track, show);
 408
 409         } else {
 410                 error << "MidiTimeAxisView: unknown automation child "
 411                         << ARDOUR::EventTypeMap::instance().to_symbol(param) << endmsg;
 412         }
 413 }
 414
 415 void
 416 MidiTimeAxisView::route_active_changed ()
 417 {
 418         RouteUI::route_active_changed ();
 419
 420         if (is_track()) {
 421                 if (_route->active()) {
 422                         controls_ebox.set_name ("MidiTrackControlsBaseUnselected");
 423                         controls_base_selected_name = "MidiTrackControlsBaseSelected";
 424                         controls_base_unselected_name = "MidiTrackControlsBaseUnselected";
 425                 } else {
 426                         controls_ebox.set_name ("MidiTrackControlsBaseInactiveUnselected");
 427                         controls_base_selected_name = "MidiTrackControlsBaseInactiveSelected";
 428                         controls_base_unselected_name = "MidiTrackControlsBaseInactiveUnselected";
 429                 }
 430         } else {
 431
 432                 throw; // wha?
 433
 434                 if (_route->active()) {
 435                         controls_ebox.set_name ("BusControlsBaseUnselected");
 436                         controls_base_selected_name = "BusControlsBaseSelected";
 437                         controls_base_unselected_name = "BusControlsBaseUnselected";
 438                 } else {
 439                         controls_ebox.set_name ("BusControlsBaseInactiveUnselected");
 440                         controls_base_selected_name = "BusControlsBaseInactiveSelected";
 441                         controls_base_unselected_name = "BusControlsBaseInactiveUnselected";
 442                 }
 443         }
 444 }
 445
 446 void
 447 MidiTimeAxisView::channel_selector_toggled()
 448 {
 449         static uint32_t previous_height;
 450
 451         if (_midi_expander.property_expanded()) {
 452                 previous_height = current_height();
 453                 if (previous_height < TimeAxisView::hLargest) {
 454                         set_height (TimeAxisView::hLarge);
 455                 }
 456         } else {
 457                 set_height (previous_height);
 458         }
 459 }
 460
 461
 462