gtk2_ardour/editor_canvas_events.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
  20 #include <cstdlib>
  21 #include <cmath>
  22 #include <algorithm>
  23 #include <typeinfo>
  24
  25 #include "pbd/stacktrace.h"
  26
  27 #include "ardour/audioplaylist.h"
  28 #include "ardour/audioregion.h"
  29 #include "ardour/region_factory.h"
  30 #include "ardour/midi_region.h"
  31
  32 #include "editor.h"
  33 #include "keyboard.h"
  34 #include "public_editor.h"
  35 #include "audio_region_view.h"
  36 #include "audio_streamview.h"
  37 #include "canvas-noevent-text.h"
  38 #include "crossfade_view.h"
  39 #include "audio_time_axis.h"
  40 #include "region_gain_line.h"
  41 #include "automation_line.h"
  42 #include "automation_time_axis.h"
  43 #include "automation_line.h"
  44 #include "control_point.h"
  45 #include "canvas_impl.h"
  46 #include "simplerect.h"
  47 #include "editor_drag.h"
  48 #include "midi_time_axis.h"
  49 #include "editor_regions.h"
  50 #include "verbose_cursor.h"
  51
  52 #include "i18n.h"
  53
  54 using namespace std;
  55 using namespace ARDOUR;
  56 using namespace PBD;
  57 using namespace Gtk;
  58 using namespace ArdourCanvas;
  59
  60 using Gtkmm2ext::Keyboard;
  61
  62 bool
  63 Editor::track_canvas_scroll (GdkEventScroll* ev)
  64 {
  65         framepos_t xdelta;
  66         int direction = ev->direction;
  67
  68   retry:
  69         switch (direction) {
  70         case GDK_SCROLL_UP:
  71                 if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
  72                         temporal_zoom_step (false);
  73                         return true;
  74                 } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::SecondaryModifier)) {
  75                         direction = GDK_SCROLL_LEFT;
  76                         goto retry;
  77                 } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::TertiaryModifier)) {
  78                         if (!current_stepping_trackview) {
  79                                 step_timeout = Glib::signal_timeout().connect (sigc::mem_fun(*this, &Editor::track_height_step_timeout), 500);
  80                                 std::pair<TimeAxisView*, int> const p = trackview_by_y_position (ev->y + vertical_adjustment.get_value() - canvas_timebars_vsize);
  81                                 current_stepping_trackview = p.first;
  82                                 if (!current_stepping_trackview) {
  83                                         return false;
  84                                 }
  85                         }
  86                         last_track_height_step_timestamp = get_microseconds();
  87                         current_stepping_trackview->step_height (false);
  88                         return true;
  89                 } else {
  90                         scroll_tracks_up_line ();
  91                         return true;
  92                 }
  93                 break;
  94
  95         case GDK_SCROLL_DOWN:
  96                 if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
  97                         temporal_zoom_step (true);
  98                         return true;
  99                 } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::SecondaryModifier)) {
 100                         direction = GDK_SCROLL_RIGHT;
 101                         goto retry;
 102                 } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::TertiaryModifier)) {
 103                         if (!current_stepping_trackview) {
 104                                 step_timeout = Glib::signal_timeout().connect (sigc::mem_fun(*this, &Editor::track_height_step_timeout), 500);
 105                                 std::pair<TimeAxisView*, int> const p = trackview_by_y_position (ev->y + vertical_adjustment.get_value() - canvas_timebars_vsize);
 106                                 current_stepping_trackview = p.first;
 107                                 if (!current_stepping_trackview) {
 108                                         return false;
 109                                 }
 110                         }
 111                         last_track_height_step_timestamp = get_microseconds();
 112                         current_stepping_trackview->step_height (true);
 113                         return true;
 114                 } else {
 115                         scroll_tracks_down_line ();
 116                         return true;
 117                 }
 118                 break;
 119
 120         case GDK_SCROLL_LEFT:
 121                 xdelta = (current_page_frames() / 8);
 122                 if (leftmost_frame > xdelta) {
 123                         reset_x_origin (leftmost_frame - xdelta);
 124                 } else {
 125                         reset_x_origin (0);
 126                 }
 127                 break;
 128
 129         case GDK_SCROLL_RIGHT:
 130                 xdelta = (current_page_frames() / 8);
 131                 if (max_framepos - xdelta > leftmost_frame) {
 132                         reset_x_origin (leftmost_frame + xdelta);
 133                 } else {
 134                         reset_x_origin (max_framepos - current_page_frames());
 135                 }
 136                 break;
 137
 138         default:
 139                 /* what? */
 140                 break;
 141         }
 142
 143         return false;
 144 }
 145
 146 bool
 147 Editor::track_canvas_scroll_event (GdkEventScroll *event)
 148 {
 149         track_canvas->grab_focus();
 150         return track_canvas_scroll (event);
 151 }
 152
 153 bool
 154 Editor::track_canvas_button_press_event (GdkEventButton */*event*/)
 155 {
 156         selection->clear ();
 157         track_canvas->grab_focus();
 158         return false;
 159 }
 160
 161 bool
 162 Editor::track_canvas_button_release_event (GdkEventButton *event)
 163 {
 164         if (_drags->active ()) {
 165                 _drags->end_grab ((GdkEvent*) event);
 166         }
 167         return false;
 168 }
 169
 170 bool
 171 Editor::track_canvas_motion_notify_event (GdkEventMotion */*event*/)
 172 {
 173         int x, y;
 174         /* keep those motion events coming */
 175         track_canvas->get_pointer (x, y);
 176         return false;
 177 }
 178
 179 bool
 180 Editor::track_canvas_motion (GdkEvent *ev)
 181 {
 182         if (_verbose_cursor->visible ()) {
 183                 _verbose_cursor->set_position (ev->motion.x + 10, ev->motion.y + 10);
 184         }
 185
 186         return false;
 187 }
 188
 189 bool
 190 Editor::typed_event (ArdourCanvas::Item* item, GdkEvent *event, ItemType type)
 191 {
 192         gint ret = FALSE;
 193
 194         switch (event->type) {
 195         case GDK_BUTTON_PRESS:
 196         case GDK_2BUTTON_PRESS:
 197         case GDK_3BUTTON_PRESS:
 198                 ret = button_press_handler (item, event, type);
 199                 break;
 200         case GDK_BUTTON_RELEASE:
 201                 ret = button_release_handler (item, event, type);
 202                 break;
 203         case GDK_MOTION_NOTIFY:
 204                 ret = motion_handler (item, event);
 205                 break;
 206
 207         case GDK_ENTER_NOTIFY:
 208                 ret = enter_handler (item, event, type);
 209                 break;
 210
 211         case GDK_LEAVE_NOTIFY:
 212                 ret = leave_handler (item, event, type);
 213                 break;
 214
 215         case GDK_KEY_PRESS:
 216                 ret = key_press_handler (item, event, type);
 217                 break;
 218
 219         case GDK_KEY_RELEASE:
 220                 ret = key_release_handler (item, event, type);
 221                 break;
 222
 223         default:
 224                 break;
 225         }
 226         return ret;
 227 }
 228
 229 bool
 230 Editor::canvas_region_view_event (GdkEvent *event, ArdourCanvas::Item* item, RegionView *rv)
 231 {
 232         bool ret = false;
 233
 234         if (!rv->sensitive ()) {
 235                 return false;
 236         }
 237
 238         switch (event->type) {
 239         case GDK_BUTTON_PRESS:
 240         case GDK_2BUTTON_PRESS:
 241         case GDK_3BUTTON_PRESS:
 242                 clicked_regionview = rv;
 243                 clicked_control_point = 0;
 244                 clicked_axisview = &rv->get_time_axis_view();
 245                 clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
 246                 ret = button_press_handler (item, event, RegionItem);
 247                 break;
 248
 249         case GDK_BUTTON_RELEASE:
 250                 ret = button_release_handler (item, event, RegionItem);
 251                 break;
 252
 253         case GDK_MOTION_NOTIFY:
 254                 ret = motion_handler (item, event);
 255                 break;
 256
 257         case GDK_ENTER_NOTIFY:
 258                 set_entered_track (&rv->get_time_axis_view ());
 259                 set_entered_regionview (rv);
 260                 break;
 261
 262         case GDK_LEAVE_NOTIFY:
 263                 set_entered_track (0);
 264                 set_entered_regionview (0);
 265                 break;
 266
 267         default:
 268                 break;
 269         }
 270
 271         return ret;
 272 }
 273
 274 bool
 275 Editor::canvas_stream_view_event (GdkEvent *event, ArdourCanvas::Item* item, RouteTimeAxisView *tv)
 276 {
 277         bool ret = FALSE;
 278
 279         switch (event->type) {
 280         case GDK_BUTTON_PRESS:
 281         case GDK_2BUTTON_PRESS:
 282         case GDK_3BUTTON_PRESS:
 283                 clicked_regionview = 0;
 284                 clicked_control_point = 0;
 285                 clicked_axisview = tv;
 286                 clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
 287                 ret = button_press_handler (item, event, StreamItem);
 288                 break;
 289
 290         case GDK_BUTTON_RELEASE:
 291                 ret = button_release_handler (item, event, StreamItem);
 292                 break;
 293
 294         case GDK_MOTION_NOTIFY:
 295                 ret = motion_handler (item, event);
 296                 break;
 297
 298         case GDK_ENTER_NOTIFY:
 299                 set_entered_track (tv);
 300                 break;
 301
 302         case GDK_LEAVE_NOTIFY:
 303                 set_entered_track (0);
 304                 break;
 305
 306         default:
 307                 break;
 308         }
 309
 310         return ret;
 311 }
 312
 313 bool
 314 Editor::canvas_automation_track_event (GdkEvent *event, ArdourCanvas::Item* item, AutomationTimeAxisView *atv)
 315 {
 316         bool ret = false;
 317
 318         switch (event->type) {
 319         case GDK_BUTTON_PRESS:
 320         case GDK_2BUTTON_PRESS:
 321         case GDK_3BUTTON_PRESS:
 322                 clicked_regionview = 0;
 323                 clicked_control_point = 0;
 324                 clicked_axisview = atv;
 325                 clicked_routeview = 0;
 326                 ret = button_press_handler (item, event, AutomationTrackItem);
 327                 break;
 328
 329         case GDK_BUTTON_RELEASE:
 330                 ret = button_release_handler (item, event, AutomationTrackItem);
 331                 break;
 332
 333         case GDK_MOTION_NOTIFY:
 334                 ret = motion_handler (item, event);
 335                 break;
 336
 337         case GDK_ENTER_NOTIFY:
 338                 ret = enter_handler (item, event, AutomationTrackItem);
 339                 break;
 340
 341         case GDK_LEAVE_NOTIFY:
 342                 ret = leave_handler (item, event, AutomationTrackItem);
 343                 break;
 344
 345         default:
 346                 break;
 347         }
 348
 349         return ret;
 350 }
 351
 352 bool
 353 Editor::canvas_fade_in_event (GdkEvent *event, ArdourCanvas::Item* item, AudioRegionView *rv)
 354 {
 355         /* we handle only button 3 press/release events */
 356
 357         if (!rv->sensitive()) {
 358                 return false;
 359         }
 360
 361         switch (event->type) {
 362         case GDK_BUTTON_PRESS:
 363                 clicked_regionview = rv;
 364                 clicked_control_point = 0;
 365                 clicked_axisview = &rv->get_time_axis_view();
 366                 clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
 367                 if (event->button.button == 3) {
 368                         return button_press_handler (item, event, FadeInItem);
 369                 }
 370                 break;
 371
 372         case GDK_BUTTON_RELEASE:
 373                 if (event->button.button == 3) {
 374                         return button_release_handler (item, event, FadeInItem);
 375                 }
 376                 break;
 377
 378         default:
 379                 break;
 380
 381         }
 382
 383         /* proxy for the regionview */
 384
 385         return canvas_region_view_event (event, rv->get_canvas_group(), rv);
 386 }
 387
 388 bool
 389 Editor::canvas_fade_in_handle_event (GdkEvent *event, ArdourCanvas::Item* item, AudioRegionView *rv)
 390 {
 391         bool ret = false;
 392
 393         if (!rv->sensitive()) {
 394                 return false;
 395         }
 396
 397         switch (event->type) {
 398         case GDK_BUTTON_PRESS:
 399         case GDK_2BUTTON_PRESS:
 400         case GDK_3BUTTON_PRESS:
 401                 clicked_regionview = rv;
 402                 clicked_control_point = 0;
 403                 clicked_axisview = &rv->get_time_axis_view();
 404                 clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
 405                 ret = button_press_handler (item, event, FadeInHandleItem);
 406                 break;
 407
 408         case GDK_BUTTON_RELEASE:
 409                 ret = button_release_handler (item, event, FadeInHandleItem);
 410                 break;
 411
 412         case GDK_MOTION_NOTIFY:
 413                 ret = motion_handler (item, event);
 414                 break;
 415
 416         case GDK_ENTER_NOTIFY:
 417                 set_entered_regionview (rv);
 418                 ret = enter_handler (item, event, FadeInHandleItem);
 419                 break;
 420
 421         case GDK_LEAVE_NOTIFY:
 422                 set_entered_regionview (0);
 423                 ret = leave_handler (item, event, FadeInHandleItem);
 424                 break;
 425
 426         default:
 427                 break;
 428         }
 429
 430         return ret;
 431 }
 432
 433 bool
 434 Editor::canvas_fade_out_event (GdkEvent *event, ArdourCanvas::Item* item, AudioRegionView *rv)
 435 {
 436         /* we handle only button 3 press/release events */
 437
 438         if (!rv->sensitive()) {
 439                 return false;
 440         }
 441
 442         switch (event->type) {
 443         case GDK_BUTTON_PRESS:
 444                 clicked_regionview = rv;
 445                 clicked_control_point = 0;
 446                 clicked_axisview = &rv->get_time_axis_view();
 447                 clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
 448                 if (event->button.button == 3) {
 449                         return button_press_handler (item, event, FadeOutItem);
 450                 }
 451                 break;
 452
 453         case GDK_BUTTON_RELEASE:
 454                 if (event->button.button == 3) {
 455                         return button_release_handler (item, event, FadeOutItem);
 456                 }
 457                 break;
 458
 459         default:
 460                 break;
 461
 462         }
 463
 464         /* proxy for the regionview */
 465
 466         return canvas_region_view_event (event, rv->get_canvas_group(), rv);
 467 }
 468
 469 bool
 470 Editor::canvas_fade_out_handle_event (GdkEvent *event, ArdourCanvas::Item* item, AudioRegionView *rv)
 471 {
 472         bool ret = false;
 473
 474         if (!rv->sensitive()) {
 475                 return false;
 476         }
 477
 478         switch (event->type) {
 479         case GDK_BUTTON_PRESS:
 480         case GDK_2BUTTON_PRESS:
 481         case GDK_3BUTTON_PRESS:
 482                 clicked_regionview = rv;
 483                 clicked_control_point = 0;
 484                 clicked_axisview = &rv->get_time_axis_view();
 485                 clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
 486                 ret = button_press_handler (item, event, FadeOutHandleItem);
 487                 break;
 488
 489         case GDK_BUTTON_RELEASE:
 490                 ret = button_release_handler (item, event, FadeOutHandleItem);
 491                 break;
 492
 493         case GDK_MOTION_NOTIFY:
 494                 ret = motion_handler (item, event);
 495                 break;
 496
 497         case GDK_ENTER_NOTIFY:
 498                 set_entered_regionview (rv);
 499                 ret = enter_handler (item, event, FadeOutHandleItem);
 500                 break;
 501
 502         case GDK_LEAVE_NOTIFY:
 503                 set_entered_regionview (0);
 504                 ret = leave_handler (item, event, FadeOutHandleItem);
 505                 break;
 506
 507         default:
 508                 break;
 509         }
 510
 511         return ret;
 512 }
 513
 514 struct DescendingRegionLayerSorter {
 515     bool operator()(boost::shared_ptr<Region> a, boost::shared_ptr<Region> b) {
 516             return a->layer() > b->layer();
 517     }
 518 };
 519
 520 bool
 521 Editor::canvas_crossfade_view_event (GdkEvent* event, ArdourCanvas::Item* item, CrossfadeView* xfv)
 522 {
 523         /* we handle only button 3 press/release events */
 524
 525         switch (event->type) {
 526         case GDK_BUTTON_PRESS:
 527                 clicked_crossfadeview = xfv;
 528                 clicked_axisview = &clicked_crossfadeview->get_time_axis_view();
 529                 clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
 530                 if (event->button.button == 3) {
 531                         return button_press_handler (item, event, CrossfadeViewItem);
 532                 }
 533                 break;
 534
 535         case GDK_BUTTON_RELEASE:
 536                 if (event->button.button == 3) {
 537                         bool ret = button_release_handler (item, event, CrossfadeViewItem);
 538                         return ret;
 539                 }
 540                 break;
 541
 542         default:
 543                 break;
 544
 545         }
 546
 547         /* XXX do not forward double clicks */
 548
 549         if (event->type == GDK_2BUTTON_PRESS) {
 550                 return false;
 551         }
 552
 553         /* proxy for an underlying regionview */
 554
 555         /* XXX really need to check if we are in the name highlight,
 556            and proxy to that when required.
 557         */
 558
 559         TimeAxisView& tv (xfv->get_time_axis_view());
 560         AudioTimeAxisView* atv;
 561
 562         if ((atv = dynamic_cast<AudioTimeAxisView*>(&tv)) != 0) {
 563
 564                 if (atv->is_audio_track()) {
 565
 566                         boost::shared_ptr<AudioPlaylist> pl;
 567                         if ((pl = boost::dynamic_pointer_cast<AudioPlaylist> (atv->track()->playlist())) != 0) {
 568
 569                                 Playlist::RegionList* rl = pl->regions_at (event_frame (event));
 570                                 if (!rl->empty()) {
 571
 572                                         if (atv->layer_display() == Overlaid) {
 573
 574                                                 /* we're in overlaid mode; proxy to the uppermost region view */
 575
 576                                                 DescendingRegionLayerSorter cmp;
 577                                                 rl->sort (cmp);
 578
 579                                                 RegionView* rv = atv->view()->find_view (rl->front());
 580
 581                                                 delete rl;
 582
 583                                                 /* proxy */
 584                                                 return canvas_region_view_event (event, rv->get_canvas_group(), rv);
 585
 586                                         } else {
 587
 588                                                 /* we're in stacked mode; proxy to the region view under the mouse */
 589
 590                                                 /* XXX: FIXME: this is an evil hack; it assumes that any event for which
 591                                                    this proxy is being used has its GdkEvent laid out such that the y
 592                                                    member is in the same place as that for a GdkEventButton */
 593
 594                                                 /* position of the event within the track */
 595                                                 double cx = event->button.x;
 596                                                 double cy = event->button.y;
 597                                                 atv->view()->canvas_item()->w2i (cx, cy);
 598
 599                                                 /* hence layer that we're over */
 600                                                 double const c = atv->view()->child_height ();
 601                                                 layer_t const l = pl->top_layer () + 1 - (cy / c);
 602
 603                                                 /* hence region */
 604                                                 Playlist::RegionList::iterator i = rl->begin();
 605                                                 while (i != rl->end() && (*i)->layer() != l) {
 606                                                         ++i;
 607                                                 }
 608
 609                                                 if (i != rl->end()) {
 610                                                         RegionView* rv = atv->view()->find_view (*i);
 611                                                         delete rl;
 612
 613                                                         /* proxy */
 614                                                         return canvas_region_view_event (event, rv->get_canvas_group(), rv);
 615                                                 }
 616                                         }
 617                                 }
 618
 619                                 delete rl;
 620                         }
 621                 }
 622         }
 623
 624         return TRUE;
 625 }
 626
 627 bool
 628 Editor::canvas_control_point_event (GdkEvent *event, ArdourCanvas::Item* item, ControlPoint* cp)
 629 {
 630         switch (event->type) {
 631         case GDK_BUTTON_PRESS:
 632         case GDK_2BUTTON_PRESS:
 633         case GDK_3BUTTON_PRESS:
 634                 clicked_control_point = cp;
 635                 clicked_axisview = &cp->line().trackview;
 636                 clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
 637                 clicked_regionview = 0;
 638                 break;
 639
 640         case GDK_SCROLL_UP:
 641                 break;
 642
 643         case GDK_SCROLL_DOWN:
 644                 break;
 645
 646         default:
 647                 break;
 648         }
 649
 650         return typed_event (item, event, ControlPointItem);
 651 }
 652
 653 bool
 654 Editor::canvas_line_event (GdkEvent *event, ArdourCanvas::Item* item, AutomationLine* al)
 655 {
 656         ItemType type;
 657
 658         if (dynamic_cast<AudioRegionGainLine*> (al) != 0) {
 659                 type = GainLineItem;
 660         } else {
 661                 type = AutomationLineItem;
 662         }
 663
 664         return typed_event (item, event, type);
 665 }
 666
 667 bool
 668 Editor::canvas_selection_rect_event (GdkEvent *event, ArdourCanvas::Item* item, SelectionRect* rect)
 669 {
 670         bool ret = false;
 671
 672         switch (event->type) {
 673         case GDK_BUTTON_PRESS:
 674         case GDK_2BUTTON_PRESS:
 675         case GDK_3BUTTON_PRESS:
 676                 clicked_selection = rect->id;
 677                 ret = button_press_handler (item, event, SelectionItem);
 678                 break;
 679         case GDK_BUTTON_RELEASE:
 680                 ret = button_release_handler (item, event, SelectionItem);
 681                 break;
 682         case GDK_MOTION_NOTIFY:
 683                 ret = motion_handler (item, event);
 684                 break;
 685                 /* Don't need these at the moment. */
 686         case GDK_ENTER_NOTIFY:
 687                 ret = enter_handler (item, event, SelectionItem);
 688                 break;
 689
 690         case GDK_LEAVE_NOTIFY:
 691                 ret = leave_handler (item, event, SelectionItem);
 692                 break;
 693
 694         default:
 695                 break;
 696         }
 697
 698         return ret;
 699 }
 700
 701 bool
 702 Editor::canvas_selection_start_trim_event (GdkEvent *event, ArdourCanvas::Item* item, SelectionRect* rect)
 703 {
 704         bool ret = false;
 705
 706         switch (event->type) {
 707         case GDK_BUTTON_PRESS:
 708         case GDK_2BUTTON_PRESS:
 709         case GDK_3BUTTON_PRESS:
 710                 clicked_selection = rect->id;
 711                 ret = button_press_handler (item, event, StartSelectionTrimItem);
 712                 break;
 713         case GDK_BUTTON_RELEASE:
 714                 ret = button_release_handler (item, event, StartSelectionTrimItem);
 715                 break;
 716         case GDK_MOTION_NOTIFY:
 717                 ret = motion_handler (item, event);
 718                 break;
 719         case GDK_ENTER_NOTIFY:
 720                 ret = enter_handler (item, event, StartSelectionTrimItem);
 721                 break;
 722
 723         case GDK_LEAVE_NOTIFY:
 724                 ret = leave_handler (item, event, StartSelectionTrimItem);
 725                 break;
 726
 727         default:
 728                 break;
 729         }
 730
 731         return ret;
 732 }
 733
 734 bool
 735 Editor::canvas_selection_end_trim_event (GdkEvent *event, ArdourCanvas::Item* item, SelectionRect* rect)
 736 {
 737         bool ret = false;
 738
 739         switch (event->type) {
 740         case GDK_BUTTON_PRESS:
 741         case GDK_2BUTTON_PRESS:
 742         case GDK_3BUTTON_PRESS:
 743                 clicked_selection = rect->id;
 744                 ret = button_press_handler (item, event, EndSelectionTrimItem);
 745                 break;
 746         case GDK_BUTTON_RELEASE:
 747                 ret = button_release_handler (item, event, EndSelectionTrimItem);
 748                 break;
 749         case GDK_MOTION_NOTIFY:
 750                 ret = motion_handler (item, event);
 751                 break;
 752         case GDK_ENTER_NOTIFY:
 753                 ret = enter_handler (item, event, EndSelectionTrimItem);
 754                 break;
 755
 756         case GDK_LEAVE_NOTIFY:
 757                 ret = leave_handler (item, event, EndSelectionTrimItem);
 758                 break;
 759
 760         default:
 761                 break;
 762         }
 763
 764         return ret;
 765 }
 766
 767 bool
 768 Editor::canvas_frame_handle_event (GdkEvent* event, ArdourCanvas::Item* item, RegionView* rv)
 769 {
 770         bool ret = false;
 771
 772         /* frame handles are not active when in internal edit mode, because actual notes
 773            might be in the area occupied by the handle - we want them to be editable as normal.
 774         */
 775
 776         if (internal_editing() || !rv->sensitive()) {
 777                 return false;
 778         }
 779
 780         /* NOTE: frame handles pretend to be the colored trim bar from an event handling
 781            perspective. XXX change this ??
 782         */
 783
 784         ItemType type;
 785
 786         if (item->get_data ("isleft")) {
 787                 type = LeftFrameHandle;
 788         } else {
 789                 type = RightFrameHandle;
 790         }
 791
 792         switch (event->type) {
 793         case GDK_BUTTON_PRESS:
 794         case GDK_2BUTTON_PRESS:
 795         case GDK_3BUTTON_PRESS:
 796                 clicked_regionview = rv;
 797                 clicked_control_point = 0;
 798                 clicked_axisview = &clicked_regionview->get_time_axis_view();
 799                 clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
 800                 ret = button_press_handler (item, event, type);
 801                 break;
 802         case GDK_BUTTON_RELEASE:
 803                 ret = button_release_handler (item, event, type);
 804                 break;
 805         case GDK_MOTION_NOTIFY:
 806                 ret = motion_handler (item, event);
 807                 break;
 808         case GDK_ENTER_NOTIFY:
 809                 set_entered_regionview (rv);
 810                 ret = enter_handler (item, event, type);
 811                 break;
 812
 813         case GDK_LEAVE_NOTIFY:
 814                 set_entered_regionview (0);
 815                 ret = leave_handler (item, event, type);
 816                 break;
 817
 818         default:
 819                 break;
 820         }
 821
 822         return ret;
 823 }
 824
 825
 826 bool
 827 Editor::canvas_region_view_name_highlight_event (GdkEvent* event, ArdourCanvas::Item* item, RegionView* rv)
 828 {
 829         bool ret = false;
 830
 831         if (!rv->sensitive()) {
 832                 return false;
 833         }
 834
 835         switch (event->type) {
 836         case GDK_BUTTON_PRESS:
 837         case GDK_2BUTTON_PRESS:
 838         case GDK_3BUTTON_PRESS:
 839                 clicked_regionview = rv;
 840                 clicked_control_point = 0;
 841                 clicked_axisview = &clicked_regionview->get_time_axis_view();
 842                 clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
 843                 ret = button_press_handler (item, event, RegionViewNameHighlight);
 844                 break;
 845         case GDK_BUTTON_RELEASE:
 846                 ret = button_release_handler (item, event, RegionViewNameHighlight);
 847                 break;
 848         case GDK_MOTION_NOTIFY:
 849                 motion_handler (item, event);
 850                 ret = true; // force this to avoid progagating the event into the regionview
 851                 break;
 852         case GDK_ENTER_NOTIFY:
 853                 set_entered_regionview (rv);
 854                 ret = enter_handler (item, event, RegionViewNameHighlight);
 855                 break;
 856
 857         case GDK_LEAVE_NOTIFY:
 858                 set_entered_regionview (0);
 859                 ret = leave_handler (item, event, RegionViewNameHighlight);
 860                 break;
 861
 862         default:
 863                 break;
 864         }
 865
 866         return ret;
 867 }
 868
 869 bool
 870 Editor::canvas_region_view_name_event (GdkEvent *event, ArdourCanvas::Item* item, RegionView* rv)
 871 {
 872         bool ret = false;
 873
 874         if (!rv->sensitive()) {
 875                 return false;
 876         }
 877
 878         switch (event->type) {
 879         case GDK_BUTTON_PRESS:
 880         case GDK_2BUTTON_PRESS:
 881         case GDK_3BUTTON_PRESS:
 882                 clicked_regionview = rv;
 883                 clicked_control_point = 0;
 884                 clicked_axisview = &clicked_regionview->get_time_axis_view();
 885                 clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
 886                 ret = button_press_handler (item, event, RegionViewName);
 887                 break;
 888         case GDK_BUTTON_RELEASE:
 889                 ret = button_release_handler (item, event, RegionViewName);
 890                 break;
 891         case GDK_MOTION_NOTIFY:
 892                 ret = motion_handler (item, event);
 893                 break;
 894         case GDK_ENTER_NOTIFY:
 895                 set_entered_regionview (rv);
 896                 ret = enter_handler (item, event, RegionViewName);
 897                 break;
 898
 899         case GDK_LEAVE_NOTIFY:
 900                 set_entered_regionview (0);
 901                 ret = leave_handler (item, event, RegionViewName);
 902                 break;
 903
 904         default:
 905                 break;
 906         }
 907
 908         return ret;
 909 }
 910
 911 bool
 912 Editor::canvas_feature_line_event (GdkEvent *event, ArdourCanvas::Item* item, RegionView*)
 913 {
 914         bool ret = false;
 915
 916         switch (event->type) {
 917         case GDK_BUTTON_PRESS:
 918         case GDK_2BUTTON_PRESS:
 919         case GDK_3BUTTON_PRESS:
 920                 clicked_regionview = 0;
 921                 clicked_control_point = 0;
 922                 clicked_axisview = 0;
 923                 clicked_routeview = 0; //dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
 924                 ret = button_press_handler (item, event, FeatureLineItem);
 925                 break;
 926
 927         case GDK_BUTTON_RELEASE:
 928                 ret = button_release_handler (item, event, FeatureLineItem);
 929                 break;
 930
 931         case GDK_MOTION_NOTIFY:
 932                 ret = motion_handler (item, event);
 933                 break;
 934
 935         case GDK_ENTER_NOTIFY:
 936                 ret = enter_handler (item, event, FeatureLineItem);
 937                 break;
 938
 939         case GDK_LEAVE_NOTIFY:
 940                 ret = leave_handler (item, event, FeatureLineItem);
 941                 break;
 942
 943         default:
 944                 break;
 945         }
 946
 947         return ret;
 948 }
 949
 950 bool
 951 Editor::canvas_marker_event (GdkEvent *event, ArdourCanvas::Item* item, Marker* /*marker*/)
 952 {
 953         return typed_event (item, event, MarkerItem);
 954 }
 955
 956 bool
 957 Editor::canvas_marker_bar_event (GdkEvent *event, ArdourCanvas::Item* item)
 958 {
 959         return typed_event (item, event, MarkerBarItem);
 960 }
 961
 962 bool
 963 Editor::canvas_range_marker_bar_event (GdkEvent *event, ArdourCanvas::Item* item)
 964 {
 965         return typed_event (item, event, RangeMarkerBarItem);
 966 }
 967
 968 bool
 969 Editor::canvas_transport_marker_bar_event (GdkEvent *event, ArdourCanvas::Item* item)
 970 {
 971         return typed_event (item, event, TransportMarkerBarItem);
 972 }
 973
 974 bool
 975 Editor::canvas_cd_marker_bar_event (GdkEvent *event, ArdourCanvas::Item* item)
 976 {
 977         return typed_event (item, event, CdMarkerBarItem);
 978 }
 979
 980 bool
 981 Editor::canvas_tempo_marker_event (GdkEvent *event, ArdourCanvas::Item* item, TempoMarker* /*marker*/)
 982 {
 983         return typed_event (item, event, TempoMarkerItem);
 984 }
 985
 986 bool
 987 Editor::canvas_meter_marker_event (GdkEvent *event, ArdourCanvas::Item* item, MeterMarker* /*marker*/)
 988 {
 989         return typed_event (item, event, MeterMarkerItem);
 990 }
 991
 992 bool
 993 Editor::canvas_tempo_bar_event (GdkEvent *event, ArdourCanvas::Item* item)
 994 {
 995         return typed_event (item, event, TempoBarItem);
 996 }
 997
 998 bool
 999 Editor::canvas_meter_bar_event (GdkEvent *event, ArdourCanvas::Item* item)
1000 {
1001         return typed_event (item, event, MeterBarItem);
1002 }
1003
1004 bool
1005 Editor::canvas_playhead_cursor_event (GdkEvent *event, ArdourCanvas::Item* item)
1006 {
1007         return typed_event (item, event, PlayheadCursorItem);
1008 }
1009
1010 bool
1011 Editor::canvas_zoom_rect_event (GdkEvent *event, ArdourCanvas::Item* item)
1012 {
1013         return typed_event (item, event, NoItem);
1014 }
1015
1016 bool
1017 Editor::canvas_note_event (GdkEvent *event, ArdourCanvas::Item* item)
1018 {
1019         if (!internal_editing()) {
1020                 return false;
1021         }
1022
1023         return typed_event (item, event, NoteItem);
1024 }
1025
1026 bool
1027 Editor::track_canvas_drag_motion (Glib::RefPtr<Gdk::DragContext> const & /*c*/, int x, int y, guint /*time*/)
1028 {
1029         double wx;
1030         double wy;
1031         track_canvas->window_to_world (x, y, wx, wy);
1032
1033         GdkEvent event;
1034         event.type = GDK_MOTION_NOTIFY;
1035         event.button.x = wx;
1036         event.button.y = wy;
1037         /* assume we're dragging with button 1 */
1038         event.motion.state = Gdk::BUTTON1_MASK;
1039
1040         if (!_drags->active ()) {
1041
1042                 double px;
1043                 double py;
1044                 framepos_t const pos = event_frame (&event, &px, &py);
1045
1046                 std::pair<TimeAxisView*, int> const tv = trackview_by_y_position (py);
1047                 if (tv.first == 0) {
1048                         return true;
1049                 }
1050
1051                 RouteTimeAxisView* rtav = dynamic_cast<RouteTimeAxisView*> (tv.first);
1052                 if (rtav == 0 || !rtav->is_track ()) {
1053                         return true;
1054                 }
1055
1056                 boost::shared_ptr<Region> region = _regions->get_dragged_region ();
1057
1058                 if (!region) {
1059                         return true;
1060                 }
1061
1062                 boost::shared_ptr<Region> region_copy = RegionFactory::create (region);
1063
1064                 if (boost::dynamic_pointer_cast<AudioRegion> (region_copy) != 0 &&
1065                     dynamic_cast<AudioTimeAxisView*> (tv.first) == 0) {
1066
1067                         /* audio -> non-audio */
1068                         return true;
1069                 }
1070
1071                 if (boost::dynamic_pointer_cast<MidiRegion> (region_copy) == 0 &&
1072                     dynamic_cast<MidiTimeAxisView*> (tv.first) != 0) {
1073
1074                         /* MIDI -> non-MIDI */
1075                         return true;
1076                 }
1077
1078                 _drags->set (new RegionInsertDrag (this, region_copy, rtav, pos), &event);
1079         }
1080
1081         _drags->motion_handler (&event, false);
1082
1083         return true;
1084 }
1085
1086 bool
1087 Editor::key_press_handler (ArdourCanvas::Item*, GdkEvent*, ItemType)
1088 {
1089         return false;
1090 }
1091
1092 bool
1093 Editor::key_release_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemType type)
1094 {
1095
1096         bool handled = false;
1097
1098         switch (type) {
1099         case TempoMarkerItem:
1100                 switch (event->key.keyval) {
1101                 case GDK_Delete:
1102                         remove_tempo_marker (item);
1103                         handled = true;
1104                         break;
1105                 default:
1106                         break;
1107                 }
1108                 break;
1109
1110         case MeterMarkerItem:
1111                 switch (event->key.keyval) {
1112                 case GDK_Delete:
1113                         remove_meter_marker (item);
1114                         handled = true;
1115                         break;
1116                 default:
1117                         break;
1118                 }
1119                 break;
1120
1121         default:
1122                 break;
1123         }
1124
1125         return handled;
1126 }