gtk2_ardour/midi_region_view.cc

   1 /*
   2     Copyright (C) 2001-2007 Paul Davis
   3     Author: Dave Robillard
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, write to the Free Software
  17     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18 */
  19
  20 #include <cmath>
  21 #include <cassert>
  22 #include <algorithm>
  23
  24 #include <gtkmm.h>
  25
  26 #include <gtkmm2ext/gtk_ui.h>
  27
  28 #include <sigc++/signal.h>
  29
  30 #include <ardour/playlist.h>
  31 #include <ardour/tempo.h>
  32 #include <ardour/midi_region.h>
  33 #include <ardour/midi_source.h>
  34 #include <ardour/midi_diskstream.h>
  35 #include <ardour/midi_events.h>
  36 #include <ardour/midi_model.h>
  37
  38 #include "streamview.h"
  39 #include "midi_region_view.h"
  40 #include "midi_streamview.h"
  41 #include "midi_time_axis.h"
  42 #include "simplerect.h"
  43 #include "simpleline.h"
  44 #include "canvas-hit.h"
  45 #include "public_editor.h"
  46 #include "ghostregion.h"
  47 #include "midi_time_axis.h"
  48 #include "automation_time_axis.h"
  49 #include "automation_region_view.h"
  50 #include "utils.h"
  51 #include "midi_util.h"
  52 #include "gui_thread.h"
  53 #include "keyboard.h"
  54
  55 #include "i18n.h"
  56
  57 using namespace sigc;
  58 using namespace ARDOUR;
  59 using namespace PBD;
  60 using namespace Editing;
  61 using namespace ArdourCanvas;
  62
  63 MidiRegionView::MidiRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv, boost::shared_ptr<MidiRegion> r, double spu, Gdk::Color& basic_color)
  64         : RegionView (parent, tv, r, spu, basic_color)
  65         , _default_note_length(0.0)
  66         , _active_notes(0)
  67         , _note_group(new ArdourCanvas::Group(*parent))
  68         , _delta_command(NULL)
  69         , _mouse_state(None)
  70         , _pressed_button(0)
  71 {
  72         group->lower_to_bottom();
  73         _note_group->raise_to_top();
  74
  75         frame->property_fill_color_rgba() = 0xff000033;
  76 }
  77
  78 MidiRegionView::MidiRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv, boost::shared_ptr<MidiRegion> r, double spu, Gdk::Color& basic_color, TimeAxisViewItem::Visibility visibility)
  79         : RegionView (parent, tv, r, spu, basic_color, visibility)
  80         , _default_note_length(0.0)
  81         , _active_notes(0)
  82         , _note_group(new ArdourCanvas::Group(*parent))
  83         , _delta_command(NULL)
  84         , _mouse_state(None)
  85         , _pressed_button(0)
  86 {
  87         _note_group->raise_to_top();
  88 }
  89
  90 void
  91 MidiRegionView::init (Gdk::Color& basic_color, bool wfd)
  92 {
  93         if (wfd)
  94                 midi_region()->midi_source(0)->load_model();
  95
  96         const Meter& m = trackview.session().tempo_map().meter_at(_region->position());
  97         const Tempo& t = trackview.session().tempo_map().tempo_at(_region->position());
  98         _default_note_length = m.frames_per_bar(t, trackview.session().frame_rate())
  99                         / m.beats_per_bar();
 100
 101         _model = midi_region()->midi_source(0)->model();
 102         _enable_display = false;
 103
 104         RegionView::init(basic_color, false);
 105
 106         compute_colors (basic_color);
 107
 108         reset_width_dependent_items ((double) _region->length() / samples_per_unit);
 109
 110         set_y_position_and_height (0, trackview.height);
 111
 112         region_muted ();
 113         region_resized (BoundsChanged);
 114         region_locked ();
 115
 116         _region->StateChanged.connect (mem_fun(*this, &MidiRegionView::region_changed));
 117
 118         set_colors ();
 119
 120         _enable_display = true;
 121
 122         if (_model) {
 123                 if (wfd) {
 124                         redisplay_model();
 125                 }
 126                 _model->ContentsChanged.connect(sigc::mem_fun(this, &MidiRegionView::redisplay_model));
 127         }
 128
 129         midi_region()->midi_source(0)->Switched.connect(sigc::mem_fun(this, &MidiRegionView::switch_source));
 130
 131         group->signal_event().connect (mem_fun (this, &MidiRegionView::canvas_event), false);
 132
 133 }
 134
 135 bool
 136 MidiRegionView::canvas_event(GdkEvent* ev)
 137 {
 138         static bool delete_mod = false;
 139         static Editing::MidiEditMode original_mode;
 140
 141         static double drag_start_x, drag_start_y;
 142         static double last_x, last_y;
 143         double event_x, event_y;
 144         nframes_t event_frame = 0;
 145
 146         static ArdourCanvas::SimpleRect* drag_rect = NULL;
 147
 148         if (trackview.editor.current_mouse_mode() != MouseNote)
 149                 return false;
 150
 151         // Mmmm, spaghetti
 152
 153         switch (ev->type) {
 154         case GDK_KEY_PRESS:
 155                 cout << "KEY" << endl;
 156                 if (ev->key.keyval == GDK_Delete && !delete_mod) {
 157                         delete_mod = true;
 158                         original_mode = trackview.editor.current_midi_edit_mode();
 159                         trackview.editor.set_midi_edit_mode(MidiEditErase);
 160                         start_remove_command();
 161                         _mouse_state = EraseTouchDragging;
 162                 } else if (ev->key.keyval == GDK_Shift_L || ev->key.keyval == GDK_Control_L) {
 163                         _mouse_state = SelectTouchDragging;
 164                 }
 165                 return true;
 166
 167         case GDK_KEY_RELEASE:
 168                 if (ev->key.keyval == GDK_Delete) {
 169                         if (_mouse_state == EraseTouchDragging) {
 170                                 delete_selection();
 171                                 apply_command();
 172                         }
 173                         if (delete_mod) {
 174                                 trackview.editor.set_midi_edit_mode(original_mode);
 175                                 delete_mod = false;
 176                         }
 177                 } else if (ev->key.keyval == GDK_Shift_L || ev->key.keyval == GDK_Control_L) {
 178                         _mouse_state = None;
 179                 }
 180                 return true;
 181
 182         case GDK_BUTTON_PRESS:
 183                 if (_mouse_state != SelectTouchDragging && _mouse_state != EraseTouchDragging)
 184                         _mouse_state = Pressed;
 185                 _pressed_button = ev->button.button;
 186                 return true;
 187
 188         case GDK_ENTER_NOTIFY:
 189                 /* FIXME: do this on switch to note tool, too, if the pointer is already in */
 190                 Keyboard::magic_widget_grab_focus();
 191                 group->grab_focus();
 192                 break;
 193
 194         case GDK_MOTION_NOTIFY:
 195                 event_x = ev->motion.x;
 196                 event_y = ev->motion.y;
 197                 group->w2i(event_x, event_y);
 198
 199                 event_frame = trackview.editor.pixel_to_frame(event_x);
 200                 trackview.editor.snap_to(event_frame);
 201
 202                 switch (_mouse_state) {
 203                 case Pressed: // Drag start
 204
 205                         // Select drag start
 206                         if (_pressed_button == 1 && trackview.editor.current_midi_edit_mode() == MidiEditSelect) {
 207                                 group->grab(GDK_POINTER_MOTION_MASK | GDK_BUTTON_RELEASE_MASK,
 208                                                 Gdk::Cursor(Gdk::FLEUR), ev->motion.time);
 209                                 last_x = event_x;
 210                                 last_y = event_y;
 211                                 drag_start_x = event_x;
 212                                 drag_start_y = event_y;
 213
 214                                 drag_rect = new ArdourCanvas::SimpleRect(*group);
 215                                 drag_rect->property_x1() = event_x;
 216                                 drag_rect->property_y1() = event_y;
 217                                 drag_rect->property_x2() = event_x;
 218                                 drag_rect->property_y2() = event_y;
 219                                 drag_rect->property_outline_what() = 0xFF;
 220                                 drag_rect->property_outline_color_rgba()
 221                                         = ARDOUR_UI::config()->canvasvar_MidiSelectRectOutline.get();
 222                                 drag_rect->property_fill_color_rgba()
 223                                         = ARDOUR_UI::config()->canvasvar_MidiSelectRectFill.get();
 224
 225                                 _mouse_state = SelectRectDragging;
 226                                 return true;
 227
 228                         // Add note drag start
 229                         } else if (trackview.editor.current_midi_edit_mode() == MidiEditPencil) {
 230                                 group->grab(GDK_POINTER_MOTION_MASK | GDK_BUTTON_RELEASE_MASK,
 231                                                 Gdk::Cursor(Gdk::FLEUR), ev->motion.time);
 232                                 last_x = event_x;
 233                                 last_y = event_y;
 234                                 drag_start_x = event_x;
 235                                 drag_start_y = event_y;
 236
 237                                 drag_rect = new ArdourCanvas::SimpleRect(*group);
 238                                 drag_rect->property_x1() = trackview.editor.frame_to_pixel(event_frame);
 239
 240                                 drag_rect->property_y1() = midi_stream_view()->note_to_y(midi_stream_view()->y_to_note(event_y));
 241                                 drag_rect->property_x2() = event_x;
 242                                 drag_rect->property_y2() = drag_rect->property_y1() + floor(midi_stream_view()->note_height());
 243                                 drag_rect->property_outline_what() = 0xFF;
 244                                 drag_rect->property_outline_color_rgba() = 0xFFFFFF99;
 245
 246                                 drag_rect->property_fill_color_rgba() = 0xFFFFFF66;
 247
 248                                 _mouse_state = AddDragging;
 249                                 return true;
 250                         }
 251
 252                         return false;
 253
 254                 case SelectRectDragging: // Select drag motion
 255                 case AddDragging: // Add note drag motion
 256                         if (ev->motion.is_hint) {
 257                                 int t_x;
 258                                 int t_y;
 259                                 GdkModifierType state;
 260                                 gdk_window_get_pointer(ev->motion.window, &t_x, &t_y, &state);
 261                                 event_x = t_x;
 262                                 event_y = t_y;
 263                         }
 264
 265                         if (_mouse_state == AddDragging)
 266                                 event_x = trackview.editor.frame_to_pixel(event_frame);
 267
 268                         if (drag_rect)
 269                                 if (event_x > drag_start_x)
 270                                         drag_rect->property_x2() = event_x;
 271                                 else
 272                                         drag_rect->property_x1() = event_x;
 273
 274                         if (drag_rect && _mouse_state == SelectRectDragging) {
 275                                 if (event_y > drag_start_y)
 276                                         drag_rect->property_y2() = event_y;
 277                                 else
 278                                         drag_rect->property_y1() = event_y;
 279
 280                                 update_drag_selection(drag_start_x, event_x, drag_start_y, event_y);
 281                         }
 282
 283                         last_x = event_x;
 284                         last_y = event_y;
 285
 286                 case EraseTouchDragging:
 287                 case SelectTouchDragging:
 288                         return false;
 289
 290                 default:
 291                         break;
 292                 }
 293                 break;
 294
 295         case GDK_BUTTON_RELEASE:
 296                 event_x = ev->motion.x;
 297                 event_y = ev->motion.y;
 298                 group->w2i(event_x, event_y);
 299                 group->ungrab(ev->button.time);
 300                 event_frame = trackview.editor.pixel_to_frame(event_x);
 301
 302                 switch (_mouse_state) {
 303                 case Pressed: // Clicked
 304                         switch (trackview.editor.current_midi_edit_mode()) {
 305                         case MidiEditSelect:
 306                                 clear_selection();
 307                                 break;
 308                         case MidiEditPencil:
 309                                 trackview.editor.snap_to(event_frame, -1);
 310                                 event_x = trackview.editor.frame_to_pixel(event_frame);
 311                                 create_note_at(event_x, event_y, _default_note_length);
 312                         default:
 313                                 break;
 314                         }
 315                         _mouse_state = None;
 316                         return true;
 317                 case SelectRectDragging: // Select drag done
 318                         _mouse_state = None;
 319                         delete drag_rect;
 320                         drag_rect = NULL;
 321                         return true;
 322                 case AddDragging: // Add drag done
 323                         _mouse_state = None;
 324                         if (drag_rect->property_x2() > drag_rect->property_x1() + 2) {
 325                                 create_note_at(drag_rect->property_x1(), drag_rect->property_y1(),
 326                                                 trackview.editor.pixel_to_frame(
 327                                                 drag_rect->property_x2() - drag_rect->property_x1()));
 328                         }
 329
 330                         delete drag_rect;
 331                         drag_rect = NULL;
 332                         return true;
 333                 default:
 334                         break;
 335                 }
 336
 337         default:
 338                 break;
 339         }
 340
 341         return false;
 342 }
 343
 344
 345 /** Add a note to the model, and the view, at a canvas (click) coordinate */
 346 void
 347 MidiRegionView::create_note_at(double x, double y, double dur)
 348 {
 349         MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
 350         MidiStreamView* const view = mtv->midi_view();
 351
 352         double note = midi_stream_view()->y_to_note(y);
 353
 354         assert(note >= 0.0);
 355         assert(note <= 127.0);
 356
 357         const nframes_t stamp = trackview.editor.pixel_to_frame (x);
 358         assert(stamp >= 0);
 359         //assert(stamp <= _region->length());
 360
 361         //const Meter& m = trackview.session().tempo_map().meter_at(stamp);
 362         //const Tempo& t = trackview.session().tempo_map().tempo_at(stamp);
 363         //double dur = m.frames_per_bar(t, trackview.session().frame_rate()) / m.beats_per_bar();
 364
 365         // Add a 1 beat long note (for now)
 366         const boost::shared_ptr<Note> new_note(new Note(0, stamp, dur, (uint8_t)note, 0x40));
 367
 368         view->update_bounds(new_note->note());
 369
 370         MidiModel::DeltaCommand* cmd = _model->new_delta_command("add note");
 371         cmd->add(new_note);
 372         _model->apply_command(cmd);
 373
 374         //add_note(new_note);
 375 }
 376
 377
 378 void
 379 MidiRegionView::clear_events()
 380 {
 381         for (std::vector<CanvasMidiEvent*>::iterator i = _events.begin(); i != _events.end(); ++i)
 382                 delete *i;
 383
 384         MidiGhostRegion* gr;
 385
 386         for(vector<GhostRegion*>::iterator g = ghosts.begin(); g != ghosts.end(); ++g) {
 387                 if((gr = dynamic_cast<MidiGhostRegion*>(*g)) != 0) {
 388                         gr->clear_events();
 389                 }
 390         }
 391
 392         _events.clear();
 393 }
 394
 395
 396 void
 397 MidiRegionView::display_model(boost::shared_ptr<MidiModel> model)
 398 {
 399         _model = model;
 400
 401         if (_enable_display)
 402                 redisplay_model();
 403 }
 404
 405
 406 void
 407 MidiRegionView::redisplay_model()
 408 {
 409         // Don't redisplay the model if we're currently recording and displaying that
 410         if (_active_notes)
 411                 return;
 412
 413         if (_model) {
 414
 415                 clear_events();
 416                 begin_write();
 417
 418                 _model->read_lock();
 419
 420                 for (size_t i=0; i < _model->n_notes(); ++i)
 421                         add_note(_model->note_at(i));
 422
 423                 end_write();
 424
 425                 /*for (Automatable::Controls::const_iterator i = _model->controls().begin();
 426                                 i != _model->controls().end(); ++i) {
 427
 428                         assert(i->second);
 429
 430                         boost::shared_ptr<AutomationTimeAxisView> at
 431                                 = midi_view()->automation_child(i->second->parameter());
 432                         if (!at)
 433                                 continue;
 434
 435                         Gdk::Color col = midi_stream_view()->get_region_color();
 436
 437                         boost::shared_ptr<AutomationRegionView> arv;
 438
 439                         {
 440                                 Glib::Mutex::Lock list_lock (i->second->list()->lock());
 441
 442                                 arv = boost::shared_ptr<AutomationRegionView>(
 443                                                 new AutomationRegionView(at->canvas_display,
 444                                                         *at.get(), _region, i->second->list(),
 445                                                         midi_stream_view()->get_samples_per_unit(), col));
 446                         }
 447
 448                         arv->set_duration(_region->length(), this);
 449                         arv->init(col, true);
 450
 451                         _automation_children.insert(std::make_pair(i->second->parameter(), arv));
 452                 }*/
 453
 454                 _model->read_unlock();
 455
 456         } else {
 457                 cerr << "MidiRegionView::redisplay_model called without a model" << endmsg;
 458         }
 459 }
 460
 461
 462 MidiRegionView::~MidiRegionView ()
 463 {
 464         in_destructor = true;
 465         if (_active_notes)
 466                 end_write();
 467
 468         clear_events();
 469
 470         RegionViewGoingAway (this); /* EMIT_SIGNAL */
 471 }
 472
 473
 474 void
 475 MidiRegionView::region_resized (Change what_changed)
 476 {
 477         RegionView::region_resized(what_changed);
 478
 479         if (what_changed & ARDOUR::PositionChanged) {
 480
 481                 if (_enable_display)
 482                         redisplay_model();
 483
 484         } else if (what_changed & Change (StartChanged)) {
 485
 486                 //cerr << "MIDI RV START CHANGED" << endl;
 487
 488         } else if (what_changed & Change (LengthChanged)) {
 489
 490                 //cerr << "MIDI RV LENGTH CHANGED" << endl;
 491
 492         }
 493 }
 494
 495 void
 496 MidiRegionView::reset_width_dependent_items (double pixel_width)
 497 {
 498         RegionView::reset_width_dependent_items(pixel_width);
 499         assert(_pixel_width == pixel_width);
 500
 501         if (_enable_display)
 502                 redisplay_model();
 503 }
 504
 505 void
 506 MidiRegionView::set_y_position_and_height (double y, double h)
 507 {
 508         RegionView::set_y_position_and_height(y, h - 1);
 509
 510         if (_enable_display) {
 511
 512                 _model->read_lock();
 513
 514                 for (std::vector<CanvasMidiEvent*>::const_iterator i = _events.begin(); i != _events.end(); ++i) {
 515                         CanvasNote* note = dynamic_cast<CanvasNote*>(*i);
 516                         if (note && note->note()) {
 517                                 if(note->note()->note() < midi_stream_view()->lowest_note() ||
 518                                    note->note()->note() > midi_stream_view()->highest_note()) {
 519                                         if(canvas_item_visible(note)) {
 520                                                 note->hide();
 521                                         }
 522                                 }
 523                                 else {
 524                                         const double y1 = midi_stream_view()->note_to_y(note->note()->note());
 525                                         const double y2 = y1 + floor(midi_stream_view()->note_height());
 526
 527                                         if(!canvas_item_visible(note)) {
 528                                                 note->show();
 529                                         }
 530
 531                                         note->property_y1() = y1;
 532                                         note->property_y2() = y2;
 533                                 }
 534                         }
 535                 }
 536
 537                 _model->read_unlock();
 538         }
 539
 540         if (name_text) {
 541                 name_text->raise_to_top();
 542         }
 543 }
 544
 545 GhostRegion*
 546 MidiRegionView::add_ghost (TimeAxisView& tv)
 547 {
 548         RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(&trackview);
 549         CanvasNote* note;
 550         assert(rtv);
 551
 552         double unit_position = _region->position () / samples_per_unit;
 553         MidiTimeAxisView* mtv = dynamic_cast<MidiTimeAxisView*>(&tv);
 554         MidiGhostRegion* ghost;
 555
 556         if(mtv && mtv->midi_view()) {
 557                 /* if ghost is inserted into midi track, use a dedicated midi ghost canvas group.
 558                    this is because it's nice to have midi notes on top of the note lines and
 559                    audio waveforms under it.
 560                  */
 561                 ghost = new MidiGhostRegion (*mtv->midi_view(), trackview, unit_position);
 562         }
 563         else {
 564                 ghost = new MidiGhostRegion (tv, trackview, unit_position);
 565         }
 566
 567         ghost->set_height ();
 568         ghost->set_duration (_region->length() / samples_per_unit);
 569         ghosts.push_back (ghost);
 570
 571         for (std::vector<CanvasMidiEvent*>::iterator i = _events.begin(); i != _events.end(); ++i) {
 572                 if((note = dynamic_cast<CanvasNote*>(*i)) != 0) {
 573                         ghost->add_note(note);
 574                 }
 575         }
 576
 577         ghost->GoingAway.connect (mem_fun(*this, &MidiRegionView::remove_ghost));
 578
 579         return ghost;
 580 }
 581
 582
 583 /** Begin tracking note state for successive calls to add_event
 584  */
 585 void
 586 MidiRegionView::begin_write()
 587 {
 588         assert(!_active_notes);
 589         _active_notes = new CanvasNote*[128];
 590         for (unsigned i=0; i < 128; ++i)
 591                 _active_notes[i] = NULL;
 592 }
 593
 594
 595 /** Destroy note state for add_event
 596  */
 597 void
 598 MidiRegionView::end_write()
 599 {
 600         delete[] _active_notes;
 601         _active_notes = NULL;
 602 }
 603
 604
 605 /** Resolve an active MIDI note (while recording).
 606  */
 607 void
 608 MidiRegionView::resolve_note(uint8_t note, double end_time)
 609 {
 610         if (midi_view()->note_mode() != Sustained)
 611                 return;
 612
 613         if (_active_notes && _active_notes[note]) {
 614                 _active_notes[note]->property_x2() = trackview.editor.frame_to_pixel((nframes_t)end_time);
 615                 _active_notes[note]->property_outline_what() = (guint32) 0xF; // all edges
 616                 _active_notes[note] = NULL;
 617         }
 618 }
 619
 620
 621 /** Extend active notes to rightmost edge of region (if length is changed)
 622  */
 623 void
 624 MidiRegionView::extend_active_notes()
 625 {
 626         if (!_active_notes)
 627                 return;
 628
 629         for (unsigned i=0; i < 128; ++i)
 630                 if (_active_notes[i])
 631                         _active_notes[i]->property_x2() = trackview.editor.frame_to_pixel(_region->length());
 632 }
 633
 634
 635 /** Add a MIDI note to the view (with duration).
 636  *
 637  * If in sustained mode, notes with duration 0 will be considered active
 638  * notes, and resolve_note should be called when the corresponding note off
 639  * event arrives, to properly display the note.
 640  */
 641 void
 642 MidiRegionView::add_note(const boost::shared_ptr<Note> note)
 643 {
 644         assert(note->time() >= 0);
 645         //assert(note->time() < _region->length());
 646         assert(midi_view()->note_mode() == Sustained || midi_view()->note_mode() == Percussive);
 647
 648         ArdourCanvas::Group* const group = (ArdourCanvas::Group*)get_canvas_group();
 649
 650         if (midi_view()->note_mode() == Sustained) {
 651
 652                 //cerr << "MRV::add_note sustained " << note->note() << " @ " << note->time()
 653                 //      << " .. " << note->end_time() << endl;
 654
 655                 const double y1 = midi_stream_view()->note_to_y(note->note());
 656
 657                 CanvasNote* ev_rect = new CanvasNote(*this, *group, note);
 658                 ev_rect->property_x1() = trackview.editor.frame_to_pixel((nframes_t)note->time());
 659                 ev_rect->property_y1() = y1;
 660                 if (note->duration() > 0)
 661                         ev_rect->property_x2() = trackview.editor.frame_to_pixel((nframes_t)(note->end_time()));
 662                 else
 663                         ev_rect->property_x2() = trackview.editor.frame_to_pixel(_region->length());
 664                 ev_rect->property_y2() = y1 + floor(midi_stream_view()->note_height());
 665
 666                 ev_rect->property_fill_color_rgba() = note_fill_color(note->velocity());
 667                 ev_rect->property_outline_color_rgba() = note_outline_color(note->velocity());
 668
 669                 if (note->duration() == 0) {
 670                         _active_notes[note->note()] = ev_rect;
 671                         /* outline all but right edge */
 672                         ev_rect->property_outline_what() = (guint32) (0x1 & 0x4 & 0x8);
 673                 } else {
 674                         /* outline all edges */
 675                         ev_rect->property_outline_what() = (guint32) 0xF;
 676                 }
 677
 678                 ev_rect->show();
 679                 _events.push_back(ev_rect);
 680
 681                 MidiGhostRegion* gr;
 682
 683                 for(vector<GhostRegion*>::iterator g = ghosts.begin(); g != ghosts.end(); ++g) {
 684                         if((gr = dynamic_cast<MidiGhostRegion*>(*g)) != 0) {
 685                                 gr->add_note(ev_rect);
 686                         }
 687                 }
 688
 689         } else if (midi_view()->note_mode() == Percussive) {
 690
 691                 //cerr << "MRV::add_note percussive " << note->note() << " @ " << note->time()
 692                 //      << " .. " << note->end_time() << endl;
 693
 694                 const double diamond_size = midi_stream_view()->note_height() / 2.0;
 695                 const double x = trackview.editor.frame_to_pixel((nframes_t)note->time());
 696                 const double y = midi_stream_view()->note_to_y(note->note()) + ((diamond_size-2) / 4.0);
 697
 698                 CanvasHit* ev_diamond = new CanvasHit(*this, *group, diamond_size);
 699                 ev_diamond->move(x, y);
 700                 ev_diamond->show();
 701                 ev_diamond->property_fill_color_rgba() = note_fill_color(note->velocity());
 702                 ev_diamond->property_outline_color_rgba() = note_outline_color(note->velocity());
 703                 _events.push_back(ev_diamond);
 704
 705         }
 706 }
 707
 708 void
 709 MidiRegionView::delete_selection()
 710 {
 711         assert(_delta_command);
 712
 713         for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i)
 714                 if ((*i)->selected())
 715                         _delta_command->remove((*i)->note());
 716
 717         _selection.clear();
 718 }
 719
 720 void
 721 MidiRegionView::clear_selection_except(ArdourCanvas::CanvasMidiEvent* ev)
 722 {
 723         for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i)
 724                 if ((*i)->selected() && (*i) != ev)
 725                         (*i)->selected(false);
 726
 727         _selection.clear();
 728 }
 729
 730 void
 731 MidiRegionView::unique_select(ArdourCanvas::CanvasMidiEvent* ev)
 732 {
 733         for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i)
 734                 if ((*i) != ev)
 735                         (*i)->selected(false);
 736
 737         _selection.clear();
 738         _selection.insert(ev);
 739
 740         if ( ! ev->selected())
 741                 ev->selected(true);
 742 }
 743
 744 void
 745 MidiRegionView::note_selected(ArdourCanvas::CanvasMidiEvent* ev, bool add)
 746 {
 747         if ( ! add)
 748                 clear_selection_except(ev);
 749
 750         _selection.insert(ev);
 751
 752         if ( ! ev->selected())
 753                 ev->selected(true);
 754 }
 755
 756
 757 void
 758 MidiRegionView::note_deselected(ArdourCanvas::CanvasMidiEvent* ev, bool add)
 759 {
 760         if ( ! add)
 761                 clear_selection_except(ev);
 762
 763         _selection.erase(ev);
 764
 765         if (ev->selected())
 766                 ev->selected(false);
 767 }
 768
 769
 770 void
 771 MidiRegionView::update_drag_selection(double x1, double x2, double y1, double y2)
 772 {
 773         const double last_y = std::min(y1, y2);
 774         const double y      = std::max(y1, y2);
 775
 776         // FIXME: so, so, so much slower than this should be
 777
 778         if (x1 < x2) {
 779                 for (std::vector<CanvasMidiEvent*>::iterator i = _events.begin(); i != _events.end(); ++i) {
 780                         if ((*i)->x1() >= x1 && (*i)->x1() <= x2 && (*i)->y1() >= last_y && (*i)->y1() <= y) {
 781                                 (*i)->selected(true);
 782                                 _selection.insert(*i);
 783                         } else {
 784                                 (*i)->selected(false);
 785                                 _selection.erase(*i);
 786                         }
 787                 }
 788         } else {
 789                 for (std::vector<CanvasMidiEvent*>::iterator i = _events.begin(); i != _events.end(); ++i) {
 790                         if ((*i)->x2() <= x1 && (*i)->x2() >= x2 && (*i)->y1() >= last_y && (*i)->y1() <= y) {
 791                                 (*i)->selected(true);
 792                                 _selection.insert(*i);
 793                         } else {
 794                                 (*i)->selected(false);
 795                                 _selection.erase(*i);
 796                         }
 797                 }
 798         }
 799 }
 800
 801
 802 void
 803 MidiRegionView::move_selection(double dx, double dy)
 804 {
 805         for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i)
 806                 (*i)->item()->move(dx, dy);
 807 }
 808
 809
 810 void
 811 MidiRegionView::note_dropped(CanvasMidiEvent* ev, double dt, uint8_t dnote)
 812 {
 813         // TODO: This would be faster/nicer with a MoveCommand that doesn't need to copy...
 814         if (_selection.find(ev) != _selection.end()) {
 815                 start_delta_command();
 816
 817                 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
 818                         command_remove_note(*i);
 819                         const boost::shared_ptr<Note> copy(new Note(*(*i)->note().get()));
 820
 821                         copy->set_time((*i)->note()->time() + dt);
 822                         copy->set_note((*i)->note()->note() + dnote);
 823
 824                         command_add_note(copy);
 825                 }
 826                 apply_command();
 827         }
 828 }
 829
 830
 831 void
 832 MidiRegionView::note_entered(ArdourCanvas::CanvasMidiEvent* ev)
 833 {
 834         if (ev->note() && _mouse_state == EraseTouchDragging) {
 835                 start_delta_command();
 836                 ev->selected(true);
 837                 _delta_command->remove(ev->note());
 838         } else if (_mouse_state == SelectTouchDragging) {
 839                 note_selected(ev, true);
 840         }
 841 }
 842
 843
 844 void
 845 MidiRegionView::switch_source(boost::shared_ptr<Source> src)
 846 {
 847         boost::shared_ptr<MidiSource> msrc = boost::dynamic_pointer_cast<MidiSource>(src);
 848         if (msrc)
 849                 display_model(msrc->model());
 850 }
 851
 852 void
 853 MidiRegionView::set_frame_color()
 854 {
 855         if (frame) {
 856                 if (_selected && should_show_selection) {
 857                         frame->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_SelectedFrameBase.get();
 858                 } else {
 859                         frame->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MidiFrameBase.get();
 860                 }
 861         }
 862 }