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
  51 #include "i18n.h"
  52
  53 using namespace std;
  54 using namespace ARDOUR;
  55 using namespace PBD;
  56 using namespace Gtk;
  57 using namespace ArdourCanvas;
  58
  59 using Gtkmm2ext::Keyboard;
  60
  61 bool
  62 Editor::track_canvas_scroll (GdkEventScroll* ev)
  63 {
  64         nframes64_t xdelta;
  65         int direction = ev->direction;
  66
  67   retry:
  68         switch (direction) {
  69         case GDK_SCROLL_UP:
  70                 if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
  71                         temporal_zoom_step (false);
  72                         return true;
  73                 } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::SecondaryModifier)) {
  74                         direction = GDK_SCROLL_LEFT;
  75                         goto retry;
  76                 } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::TertiaryModifier)) {
  77                         if (!current_stepping_trackview) {
  78                                 step_timeout = Glib::signal_timeout().connect (sigc::mem_fun(*this, &Editor::track_height_step_timeout), 500);
  79                                 std::pair<TimeAxisView*, int> const p = trackview_by_y_position (ev->y + vertical_adjustment.get_value() - canvas_timebars_vsize);
  80                                 current_stepping_trackview = p.first;
  81                                 if (!current_stepping_trackview) {
  82                                         return false;
  83                                 }
  84                         }
  85                         last_track_height_step_timestamp = get_microseconds();
  86                         current_stepping_trackview->step_height (true);
  87                         return true;
  88                 } else {
  89                         scroll_tracks_up_line ();
  90                         return true;
  91                 }
  92                 break;
  93
  94         case GDK_SCROLL_DOWN:
  95                 if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
  96                         temporal_zoom_step (true);
  97                         return true;
  98                 } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::SecondaryModifier)) {
  99                         direction = GDK_SCROLL_RIGHT;
 100                         goto retry;
 101                 } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::TertiaryModifier)) {
 102                         if (!current_stepping_trackview) {
 103                                 step_timeout = Glib::signal_timeout().connect (sigc::mem_fun(*this, &Editor::track_height_step_timeout), 500);
 104                                 std::pair<TimeAxisView*, int> const p = trackview_by_y_position (ev->y + vertical_adjustment.get_value() - canvas_timebars_vsize);
 105                                 current_stepping_trackview = p.first;
 106                                 if (!current_stepping_trackview) {
 107                                         return false;
 108                                 }
 109                         }
 110                         last_track_height_step_timestamp = get_microseconds();
 111                         current_stepping_trackview->step_height (false);
 112                         return true;
 113                 } else {
 114                         scroll_tracks_down_line ();
 115                         return true;
 116                 }
 117                 break;
 118
 119         case GDK_SCROLL_LEFT:
 120                 xdelta = (current_page_frames() / 8);
 121                 if (leftmost_frame > xdelta) {
 122                         reset_x_origin (leftmost_frame - xdelta);
 123                 } else {
 124                         reset_x_origin (0);
 125                 }
 126                 break;
 127
 128         case GDK_SCROLL_RIGHT:
 129                 xdelta = (current_page_frames() / 8);
 130                 if (max_frames - xdelta > leftmost_frame) {
 131                         reset_x_origin (leftmost_frame + xdelta);
 132                 } else {
 133                         reset_x_origin (max_frames - current_page_frames());
 134                 }
 135                 break;
 136
 137         default:
 138                 /* what? */
 139                 break;
 140         }
 141
 142         return false;
 143 }
 144
 145 bool
 146 Editor::track_canvas_scroll_event (GdkEventScroll *event)
 147 {
 148         track_canvas->grab_focus();
 149         return track_canvas_scroll (event);
 150 }
 151
 152 bool
 153 Editor::track_canvas_button_press_event (GdkEventButton */*event*/)
 154 {
 155         selection->clear ();
 156         track_canvas->grab_focus();
 157         return false;
 158 }
 159
 160 bool
 161 Editor::track_canvas_button_release_event (GdkEventButton *event)
 162 {
 163         if (_drags->active ()) {
 164                 _drags->end_grab ((GdkEvent*) event);
 165         }
 166         return false;
 167 }
 168
 169 bool
 170 Editor::track_canvas_motion_notify_event (GdkEventMotion */*event*/)
 171 {
 172         int x, y;
 173         /* keep those motion events coming */
 174         track_canvas->get_pointer (x, y);
 175         return false;
 176 }
 177
 178 bool
 179 Editor::track_canvas_motion (GdkEvent *ev)
 180 {
 181         if (verbose_cursor_visible) {
 182                 verbose_canvas_cursor->property_x() = clamp_verbose_cursor_x (ev->motion.x + 10);
 183                 verbose_canvas_cursor->property_y() = clamp_verbose_cursor_y (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         default:
 216                 break;
 217         }
 218         return ret;
 219 }
 220
 221 bool
 222 Editor::canvas_region_view_event (GdkEvent *event, ArdourCanvas::Item* item, RegionView *rv)
 223 {
 224         bool ret = false;
 225
 226         if (!rv->sensitive ()) {
 227                 return false;
 228         }
 229
 230         switch (event->type) {
 231         case GDK_BUTTON_PRESS:
 232         case GDK_2BUTTON_PRESS:
 233         case GDK_3BUTTON_PRESS:
 234                 clicked_regionview = rv;
 235                 clicked_control_point = 0;
 236                 clicked_axisview = &rv->get_time_axis_view();
 237                 clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
 238                 ret = button_press_handler (item, event, RegionItem);
 239                 break;
 240
 241         case GDK_BUTTON_RELEASE:
 242                 ret = button_release_handler (item, event, RegionItem);
 243                 break;
 244
 245         case GDK_MOTION_NOTIFY:
 246                 ret = motion_handler (item, event);
 247                 break;
 248
 249         case GDK_ENTER_NOTIFY:
 250                 set_entered_track (&rv->get_time_axis_view ());
 251                 set_entered_regionview (rv);
 252                 break;
 253
 254         case GDK_LEAVE_NOTIFY:
 255                 set_entered_track (0);
 256                 set_entered_regionview (0);
 257                 break;
 258
 259         default:
 260                 break;
 261         }
 262
 263         return ret;
 264 }
 265
 266 bool
 267 Editor::canvas_stream_view_event (GdkEvent *event, ArdourCanvas::Item* item, RouteTimeAxisView *tv)
 268 {
 269         bool ret = FALSE;
 270
 271         switch (event->type) {
 272         case GDK_BUTTON_PRESS:
 273         case GDK_2BUTTON_PRESS:
 274         case GDK_3BUTTON_PRESS:
 275                 clicked_regionview = 0;
 276                 clicked_control_point = 0;
 277                 clicked_axisview = tv;
 278                 clicked_routeview = dynamic_cast<RouteTimeAxisView*>(tv);
 279                 ret = button_press_handler (item, event, StreamItem);
 280                 break;
 281
 282         case GDK_BUTTON_RELEASE:
 283                 ret = button_release_handler (item, event, StreamItem);
 284                 break;
 285
 286         case GDK_MOTION_NOTIFY:
 287                 ret = motion_handler (item, event);
 288                 break;
 289
 290         case GDK_ENTER_NOTIFY:
 291                 set_entered_track (tv);
 292                 break;
 293
 294         case GDK_LEAVE_NOTIFY:
 295                 set_entered_track (0);
 296                 break;
 297
 298         default:
 299                 break;
 300         }
 301
 302         return ret;
 303 }
 304
 305 bool
 306 Editor::canvas_automation_track_event (GdkEvent *event, ArdourCanvas::Item* item, AutomationTimeAxisView *atv)
 307 {
 308         bool ret = false;
 309
 310         switch (event->type) {
 311         case GDK_BUTTON_PRESS:
 312         case GDK_2BUTTON_PRESS:
 313         case GDK_3BUTTON_PRESS:
 314                 clicked_regionview = 0;
 315                 clicked_control_point = 0;
 316                 clicked_axisview = atv;
 317                 clicked_routeview = 0;
 318                 ret = button_press_handler (item, event, AutomationTrackItem);
 319                 break;
 320
 321         case GDK_BUTTON_RELEASE:
 322                 ret = button_release_handler (item, event, AutomationTrackItem);
 323                 break;
 324
 325         case GDK_MOTION_NOTIFY:
 326                 ret = motion_handler (item, event);
 327                 break;
 328
 329         case GDK_ENTER_NOTIFY:
 330                 ret = enter_handler (item, event, AutomationTrackItem);
 331                 break;
 332
 333         case GDK_LEAVE_NOTIFY:
 334                 ret = leave_handler (item, event, AutomationTrackItem);
 335                 break;
 336
 337         default:
 338                 break;
 339         }
 340
 341         return ret;
 342 }
 343
 344 bool
 345 Editor::canvas_fade_in_event (GdkEvent *event, ArdourCanvas::Item* item, AudioRegionView *rv)
 346 {
 347         /* we handle only button 3 press/release events */
 348
 349         if (!rv->sensitive()) {
 350                 return false;
 351         }
 352
 353         switch (event->type) {
 354         case GDK_BUTTON_PRESS:
 355                 clicked_regionview = rv;
 356                 clicked_control_point = 0;
 357                 clicked_axisview = &rv->get_time_axis_view();
 358                 clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
 359                 if (event->button.button == 3) {
 360                         return button_press_handler (item, event, FadeInItem);
 361                 }
 362                 break;
 363
 364         case GDK_BUTTON_RELEASE:
 365                 if (event->button.button == 3) {
 366                         return button_release_handler (item, event, FadeInItem);
 367                 }
 368                 break;
 369
 370         default:
 371                 break;
 372
 373         }
 374
 375         /* proxy for the regionview */
 376
 377         return canvas_region_view_event (event, rv->get_canvas_group(), rv);
 378 }
 379
 380 bool
 381 Editor::canvas_fade_in_handle_event (GdkEvent *event, ArdourCanvas::Item* item, AudioRegionView *rv)
 382 {
 383         bool ret = false;
 384
 385         if (!rv->sensitive()) {
 386                 return false;
 387         }
 388
 389         switch (event->type) {
 390         case GDK_BUTTON_PRESS:
 391         case GDK_2BUTTON_PRESS:
 392         case GDK_3BUTTON_PRESS:
 393                 clicked_regionview = rv;
 394                 clicked_control_point = 0;
 395                 clicked_axisview = &rv->get_time_axis_view();
 396                 clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
 397                 ret = button_press_handler (item, event, FadeInHandleItem);
 398                 break;
 399
 400         case GDK_BUTTON_RELEASE:
 401                 ret = button_release_handler (item, event, FadeInHandleItem);
 402                 break;
 403
 404         case GDK_MOTION_NOTIFY:
 405                 ret = motion_handler (item, event);
 406                 break;
 407
 408         case GDK_ENTER_NOTIFY:
 409                 set_entered_regionview (rv);
 410                 ret = enter_handler (item, event, FadeInHandleItem);
 411                 break;
 412
 413         case GDK_LEAVE_NOTIFY:
 414                 set_entered_regionview (0);
 415                 ret = leave_handler (item, event, FadeInHandleItem);
 416                 break;
 417
 418         default:
 419                 break;
 420         }
 421
 422         return ret;
 423 }
 424
 425 bool
 426 Editor::canvas_fade_out_event (GdkEvent *event, ArdourCanvas::Item* item, AudioRegionView *rv)
 427 {
 428         /* we handle only button 3 press/release events */
 429
 430         if (!rv->sensitive()) {
 431                 return false;
 432         }
 433
 434         switch (event->type) {
 435         case GDK_BUTTON_PRESS:
 436                 clicked_regionview = rv;
 437                 clicked_control_point = 0;
 438                 clicked_axisview = &rv->get_time_axis_view();
 439                 clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
 440                 if (event->button.button == 3) {
 441                         return button_press_handler (item, event, FadeOutItem);
 442                 }
 443                 break;
 444
 445         case GDK_BUTTON_RELEASE:
 446                 if (event->button.button == 3) {
 447                         return button_release_handler (item, event, FadeOutItem);
 448                 }
 449                 break;
 450
 451         default:
 452                 break;
 453
 454         }
 455
 456         /* proxy for the regionview */
 457
 458         return canvas_region_view_event (event, rv->get_canvas_group(), rv);
 459 }
 460
 461 bool
 462 Editor::canvas_fade_out_handle_event (GdkEvent *event, ArdourCanvas::Item* item, AudioRegionView *rv)
 463 {
 464         bool ret = false;
 465
 466         if (!rv->sensitive()) {
 467                 return false;
 468         }
 469
 470         switch (event->type) {
 471         case GDK_BUTTON_PRESS:
 472         case GDK_2BUTTON_PRESS:
 473         case GDK_3BUTTON_PRESS:
 474                 clicked_regionview = rv;
 475                 clicked_control_point = 0;
 476                 clicked_axisview = &rv->get_time_axis_view();
 477                 clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
 478                 ret = button_press_handler (item, event, FadeOutHandleItem);
 479                 break;
 480
 481         case GDK_BUTTON_RELEASE:
 482                 ret = button_release_handler (item, event, FadeOutHandleItem);
 483                 break;
 484
 485         case GDK_MOTION_NOTIFY:
 486                 ret = motion_handler (item, event);
 487                 break;
 488
 489         case GDK_ENTER_NOTIFY:
 490                 set_entered_regionview (rv);
 491                 ret = enter_handler (item, event, FadeOutHandleItem);
 492                 break;
 493
 494         case GDK_LEAVE_NOTIFY:
 495                 set_entered_regionview (0);
 496                 ret = leave_handler (item, event, FadeOutHandleItem);
 497                 break;
 498
 499         default:
 500                 break;
 501         }
 502
 503         return ret;
 504 }
 505
 506 struct DescendingRegionLayerSorter {
 507     bool operator()(boost::shared_ptr<Region> a, boost::shared_ptr<Region> b) {
 508             return a->layer() > b->layer();
 509     }
 510 };
 511
 512 bool
 513 Editor::canvas_crossfade_view_event (GdkEvent* event, ArdourCanvas::Item* item, CrossfadeView* xfv)
 514 {
 515         /* we handle only button 3 press/release events */
 516
 517         switch (event->type) {
 518         case GDK_BUTTON_PRESS:
 519                 clicked_crossfadeview = xfv;
 520                 clicked_axisview = &clicked_crossfadeview->get_time_axis_view();
 521                 if (event->button.button == 3) {
 522                         return button_press_handler (item, event, CrossfadeViewItem);
 523                 }
 524                 break;
 525
 526         case GDK_BUTTON_RELEASE:
 527                 if (event->button.button == 3) {
 528                         bool ret = button_release_handler (item, event, CrossfadeViewItem);
 529                         return ret;
 530                 }
 531                 break;
 532
 533         default:
 534                 break;
 535
 536         }
 537
 538         /* XXX do not forward double clicks */
 539
 540         if (event->type == GDK_2BUTTON_PRESS) {
 541                 return false;
 542         }
 543
 544         /* proxy for an underlying regionview */
 545
 546         /* XXX really need to check if we are in the name highlight,
 547            and proxy to that when required.
 548         */
 549
 550         TimeAxisView& tv (xfv->get_time_axis_view());
 551         AudioTimeAxisView* atv;
 552
 553         if ((atv = dynamic_cast<AudioTimeAxisView*>(&tv)) != 0) {
 554
 555                 if (atv->is_audio_track()) {
 556
 557                         boost::shared_ptr<AudioPlaylist> pl;
 558                         if ((pl = boost::dynamic_pointer_cast<AudioPlaylist> (atv->track()->playlist())) != 0) {
 559
 560                                 Playlist::RegionList* rl = pl->regions_at (event_frame (event));
 561                                 if (!rl->empty()) {
 562
 563                                         if (atv->layer_display() == Overlaid) {
 564
 565                                                 /* we're in overlaid mode; proxy to the uppermost region view */
 566
 567                                                 DescendingRegionLayerSorter cmp;
 568                                                 rl->sort (cmp);
 569
 570                                                 RegionView* rv = atv->view()->find_view (rl->front());
 571
 572                                                 delete rl;
 573
 574                                                 /* proxy */
 575                                                 return canvas_region_view_event (event, rv->get_canvas_group(), rv);
 576
 577                                         } else {
 578
 579                                                 /* we're in stacked mode; proxy to the region view under the mouse */
 580
 581                                                 /* XXX: FIXME: this is an evil hack; it assumes that any event for which
 582                                                    this proxy is being used has its GdkEvent laid out such that the y
 583                                                    member is in the same place as that for a GdkEventButton */
 584
 585                                                 /* position of the event within the track */
 586                                                 double cx = event->button.x;
 587                                                 double cy = event->button.y;
 588                                                 atv->view()->canvas_item()->w2i (cx, cy);
 589
 590                                                 /* hence layer that we're over */
 591                                                 double const c = atv->view()->child_height ();
 592                                                 layer_t const l = pl->top_layer () + 1 - (cy / c);
 593
 594                                                 /* hence region */
 595                                                 Playlist::RegionList::iterator i = rl->begin();
 596                                                 while (i != rl->end() && (*i)->layer() != l) {
 597                                                         ++i;
 598                                                 }
 599
 600                                                 if (i != rl->end()) {
 601                                                         RegionView* rv = atv->view()->find_view (*i);
 602                                                         delete rl;
 603
 604                                                         /* proxy */
 605                                                         return canvas_region_view_event (event, rv->get_canvas_group(), rv);
 606                                                 }
 607                                         }
 608                                 }
 609
 610                                 delete rl;
 611                         }
 612                 }
 613         }
 614
 615         return TRUE;
 616 }
 617
 618 bool
 619 Editor::canvas_control_point_event (GdkEvent *event, ArdourCanvas::Item* item, ControlPoint* cp)
 620 {
 621         switch (event->type) {
 622         case GDK_BUTTON_PRESS:
 623         case GDK_2BUTTON_PRESS:
 624         case GDK_3BUTTON_PRESS:
 625                 clicked_control_point = cp;
 626                 clicked_axisview = &cp->line().trackview;
 627                 clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
 628                 clicked_regionview = 0;
 629                 break;
 630
 631         case GDK_SCROLL_UP:
 632                 break;
 633
 634         case GDK_SCROLL_DOWN:
 635                 break;
 636
 637         default:
 638                 break;
 639         }
 640
 641         return typed_event (item, event, ControlPointItem);
 642 }
 643
 644 bool
 645 Editor::canvas_line_event (GdkEvent *event, ArdourCanvas::Item* item, AutomationLine* al)
 646 {
 647         ItemType type;
 648
 649         if (dynamic_cast<AudioRegionGainLine*> (al) != 0) {
 650                 type = GainLineItem;
 651         } else {
 652                 type = AutomationLineItem;
 653         }
 654
 655         return typed_event (item, event, type);
 656 }
 657
 658 bool
 659 Editor::canvas_selection_rect_event (GdkEvent *event, ArdourCanvas::Item* item, SelectionRect* rect)
 660 {
 661         bool ret = false;
 662
 663         switch (event->type) {
 664         case GDK_BUTTON_PRESS:
 665         case GDK_2BUTTON_PRESS:
 666         case GDK_3BUTTON_PRESS:
 667                 clicked_selection = rect->id;
 668                 ret = button_press_handler (item, event, SelectionItem);
 669                 break;
 670         case GDK_BUTTON_RELEASE:
 671                 ret = button_release_handler (item, event, SelectionItem);
 672                 break;
 673         case GDK_MOTION_NOTIFY:
 674                 ret = motion_handler (item, event);
 675                 break;
 676                 /* Don't need these at the moment. */
 677         case GDK_ENTER_NOTIFY:
 678                 ret = enter_handler (item, event, SelectionItem);
 679                 break;
 680
 681         case GDK_LEAVE_NOTIFY:
 682                 ret = leave_handler (item, event, SelectionItem);
 683                 break;
 684
 685         default:
 686                 break;
 687         }
 688
 689         return ret;
 690 }
 691
 692 bool
 693 Editor::canvas_selection_start_trim_event (GdkEvent *event, ArdourCanvas::Item* item, SelectionRect* rect)
 694 {
 695         bool ret = false;
 696
 697         switch (event->type) {
 698         case GDK_BUTTON_PRESS:
 699         case GDK_2BUTTON_PRESS:
 700         case GDK_3BUTTON_PRESS:
 701                 clicked_selection = rect->id;
 702                 ret = button_press_handler (item, event, StartSelectionTrimItem);
 703                 break;
 704         case GDK_BUTTON_RELEASE:
 705                 ret = button_release_handler (item, event, StartSelectionTrimItem);
 706                 break;
 707         case GDK_MOTION_NOTIFY:
 708                 ret = motion_handler (item, event);
 709                 break;
 710         case GDK_ENTER_NOTIFY:
 711                 ret = enter_handler (item, event, StartSelectionTrimItem);
 712                 break;
 713
 714         case GDK_LEAVE_NOTIFY:
 715                 ret = leave_handler (item, event, StartSelectionTrimItem);
 716                 break;
 717
 718         default:
 719                 break;
 720         }
 721
 722         return ret;
 723 }
 724
 725 bool
 726 Editor::canvas_selection_end_trim_event (GdkEvent *event, ArdourCanvas::Item* item, SelectionRect* rect)
 727 {
 728         bool ret = false;
 729
 730         switch (event->type) {
 731         case GDK_BUTTON_PRESS:
 732         case GDK_2BUTTON_PRESS:
 733         case GDK_3BUTTON_PRESS:
 734                 clicked_selection = rect->id;
 735                 ret = button_press_handler (item, event, EndSelectionTrimItem);
 736                 break;
 737         case GDK_BUTTON_RELEASE:
 738                 ret = button_release_handler (item, event, EndSelectionTrimItem);
 739                 break;
 740         case GDK_MOTION_NOTIFY:
 741                 ret = motion_handler (item, event);
 742                 break;
 743         case GDK_ENTER_NOTIFY:
 744                 ret = enter_handler (item, event, EndSelectionTrimItem);
 745                 break;
 746
 747         case GDK_LEAVE_NOTIFY:
 748                 ret = leave_handler (item, event, EndSelectionTrimItem);
 749                 break;
 750
 751         default:
 752                 break;
 753         }
 754
 755         return ret;
 756 }
 757
 758 bool
 759 Editor::canvas_frame_handle_event (GdkEvent* event, ArdourCanvas::Item* item, RegionView* rv)
 760 {
 761         bool ret = false;
 762
 763         /* frame handles are not active when in internal edit mode, because actual notes
 764            might be in the area occupied by the handle - we want them to be editable as normal.
 765         */
 766
 767         if (internal_editing() || !rv->sensitive()) {
 768                 return false;
 769         }
 770
 771         /* NOTE: frame handles pretend to be the colored trim bar from an event handling
 772            perspective. XXX change this ??
 773         */
 774
 775         ItemType type;
 776
 777         if (item->get_data ("isleft")) {
 778                 type = LeftFrameHandle;
 779         } else {
 780                 type = RightFrameHandle;
 781         }
 782
 783         switch (event->type) {
 784         case GDK_BUTTON_PRESS:
 785         case GDK_2BUTTON_PRESS:
 786         case GDK_3BUTTON_PRESS:
 787                 clicked_regionview = rv;
 788                 clicked_control_point = 0;
 789                 clicked_axisview = &clicked_regionview->get_time_axis_view();
 790                 clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
 791                 ret = button_press_handler (item, event, type);
 792                 break;
 793         case GDK_BUTTON_RELEASE:
 794                 ret = button_release_handler (item, event, type);
 795                 break;
 796         case GDK_MOTION_NOTIFY:
 797                 ret = motion_handler (item, event);
 798                 break;
 799         case GDK_ENTER_NOTIFY:
 800                 set_entered_regionview (rv);
 801                 ret = enter_handler (item, event, type);
 802                 break;
 803
 804         case GDK_LEAVE_NOTIFY:
 805                 set_entered_regionview (0);
 806                 ret = leave_handler (item, event, type);
 807                 break;
 808
 809         default:
 810                 break;
 811         }
 812
 813         return ret;
 814 }
 815
 816
 817 bool
 818 Editor::canvas_region_view_name_highlight_event (GdkEvent* event, ArdourCanvas::Item* item, RegionView* rv)
 819 {
 820         bool ret = false;
 821
 822         if (!rv->sensitive()) {
 823                 return false;
 824         }
 825
 826         switch (event->type) {
 827         case GDK_BUTTON_PRESS:
 828         case GDK_2BUTTON_PRESS:
 829         case GDK_3BUTTON_PRESS:
 830                 clicked_regionview = rv;
 831                 clicked_control_point = 0;
 832                 clicked_axisview = &clicked_regionview->get_time_axis_view();
 833                 clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
 834                 ret = button_press_handler (item, event, RegionViewNameHighlight);
 835                 break;
 836         case GDK_BUTTON_RELEASE:
 837                 ret = button_release_handler (item, event, RegionViewNameHighlight);
 838                 break;
 839         case GDK_MOTION_NOTIFY:
 840                 motion_handler (item, event);
 841                 ret = true; // force this to avoid progagating the event into the regionview
 842                 break;
 843         case GDK_ENTER_NOTIFY:
 844                 set_entered_regionview (rv);
 845                 ret = enter_handler (item, event, RegionViewNameHighlight);
 846                 break;
 847
 848         case GDK_LEAVE_NOTIFY:
 849                 set_entered_regionview (0);
 850                 ret = leave_handler (item, event, RegionViewNameHighlight);
 851                 break;
 852
 853         default:
 854                 break;
 855         }
 856
 857         return ret;
 858 }
 859
 860 bool
 861 Editor::canvas_region_view_name_event (GdkEvent *event, ArdourCanvas::Item* item, RegionView* rv)
 862 {
 863         bool ret = false;
 864
 865         if (!rv->sensitive()) {
 866                 return false;
 867         }
 868
 869         switch (event->type) {
 870         case GDK_BUTTON_PRESS:
 871         case GDK_2BUTTON_PRESS:
 872         case GDK_3BUTTON_PRESS:
 873                 clicked_regionview = rv;
 874                 clicked_control_point = 0;
 875                 clicked_axisview = &clicked_regionview->get_time_axis_view();
 876                 clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
 877                 ret = button_press_handler (item, event, RegionViewName);
 878                 break;
 879         case GDK_BUTTON_RELEASE:
 880                 ret = button_release_handler (item, event, RegionViewName);
 881                 break;
 882         case GDK_MOTION_NOTIFY:
 883                 ret = motion_handler (item, event);
 884                 break;
 885         case GDK_ENTER_NOTIFY:
 886                 set_entered_regionview (rv);
 887                 ret = enter_handler (item, event, RegionViewName);
 888                 break;
 889
 890         case GDK_LEAVE_NOTIFY:
 891                 set_entered_regionview (0);
 892                 ret = leave_handler (item, event, RegionViewName);
 893                 break;
 894
 895         default:
 896                 break;
 897         }
 898
 899         return ret;
 900 }
 901
 902 bool
 903 Editor::canvas_feature_line_event (GdkEvent *event, ArdourCanvas::Item* item, RegionView *rv)
 904 {
 905         bool ret = false;
 906
 907         switch (event->type) {
 908         case GDK_BUTTON_PRESS:
 909         case GDK_2BUTTON_PRESS:
 910         case GDK_3BUTTON_PRESS:
 911                 clicked_regionview = 0;
 912                 clicked_control_point = 0;
 913                 clicked_axisview = 0;
 914                 clicked_routeview = 0; //dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
 915                 ret = button_press_handler (item, event, FeatureLineItem);
 916                 break;
 917
 918         case GDK_BUTTON_RELEASE:
 919                 ret = button_release_handler (item, event, FeatureLineItem);
 920                 break;
 921
 922         case GDK_MOTION_NOTIFY:
 923                 ret = motion_handler (item, event);
 924                 break;
 925
 926         case GDK_ENTER_NOTIFY:
 927                 ret = enter_handler (item, event, FeatureLineItem);
 928                 break;
 929
 930         case GDK_LEAVE_NOTIFY:
 931                 ret = leave_handler (item, event, FeatureLineItem);
 932                 break;
 933
 934         default:
 935                 break;
 936         }
 937
 938         return ret;
 939 }
 940
 941 bool
 942 Editor::canvas_marker_event (GdkEvent *event, ArdourCanvas::Item* item, Marker* /*marker*/)
 943 {
 944         return typed_event (item, event, MarkerItem);
 945 }
 946
 947 bool
 948 Editor::canvas_marker_bar_event (GdkEvent *event, ArdourCanvas::Item* item)
 949 {
 950         return typed_event (item, event, MarkerBarItem);
 951 }
 952
 953 bool
 954 Editor::canvas_range_marker_bar_event (GdkEvent *event, ArdourCanvas::Item* item)
 955 {
 956         return typed_event (item, event, RangeMarkerBarItem);
 957 }
 958
 959 bool
 960 Editor::canvas_transport_marker_bar_event (GdkEvent *event, ArdourCanvas::Item* item)
 961 {
 962         return typed_event (item, event, TransportMarkerBarItem);
 963 }
 964
 965 bool
 966 Editor::canvas_cd_marker_bar_event (GdkEvent *event, ArdourCanvas::Item* item)
 967 {
 968         return typed_event (item, event, CdMarkerBarItem);
 969 }
 970
 971 bool
 972 Editor::canvas_tempo_marker_event (GdkEvent *event, ArdourCanvas::Item* item, TempoMarker* /*marker*/)
 973 {
 974         return typed_event (item, event, TempoMarkerItem);
 975 }
 976
 977 bool
 978 Editor::canvas_meter_marker_event (GdkEvent *event, ArdourCanvas::Item* item, MeterMarker* /*marker*/)
 979 {
 980         return typed_event (item, event, MeterMarkerItem);
 981 }
 982
 983 bool
 984 Editor::canvas_tempo_bar_event (GdkEvent *event, ArdourCanvas::Item* item)
 985 {
 986         return typed_event (item, event, TempoBarItem);
 987 }
 988
 989 bool
 990 Editor::canvas_meter_bar_event (GdkEvent *event, ArdourCanvas::Item* item)
 991 {
 992         return typed_event (item, event, MeterBarItem);
 993 }
 994
 995 bool
 996 Editor::canvas_playhead_cursor_event (GdkEvent *event, ArdourCanvas::Item* item)
 997 {
 998         return typed_event (item, event, PlayheadCursorItem);
 999 }
1000
1001 bool
1002 Editor::canvas_zoom_rect_event (GdkEvent *event, ArdourCanvas::Item* item)
1003 {
1004         return typed_event (item, event, NoItem);
1005 }
1006
1007 bool
1008 Editor::canvas_note_event (GdkEvent *event, ArdourCanvas::Item* item)
1009 {
1010         if (!internal_editing()) {
1011                 return false;
1012         }
1013
1014         return typed_event (item, event, NoteItem);
1015 }
1016
1017 bool
1018 Editor::track_canvas_drag_motion (Glib::RefPtr<Gdk::DragContext> const & /*c*/, int x, int y, guint /*time*/)
1019 {
1020         double wx;
1021         double wy;
1022         track_canvas->window_to_world (x, y, wx, wy);
1023
1024         GdkEvent event;
1025         event.type = GDK_MOTION_NOTIFY;
1026         event.button.x = wx;
1027         event.button.y = wy;
1028         /* assume we're dragging with button 1 */
1029         event.motion.state = Gdk::BUTTON1_MASK;
1030
1031         if (!_drags->active ()) {
1032
1033                 double px;
1034                 double py;
1035                 nframes64_t const pos = event_frame (&event, &px, &py);
1036
1037                 std::pair<TimeAxisView*, int> const tv = trackview_by_y_position (py);
1038                 if (tv.first == 0) {
1039                         return true;
1040                 }
1041
1042                 RouteTimeAxisView* rtav = dynamic_cast<RouteTimeAxisView*> (tv.first);
1043                 if (rtav == 0 || !rtav->is_track ()) {
1044                         return true;
1045                 }
1046
1047                 boost::shared_ptr<Region> region = _regions->get_dragged_region ();
1048
1049                 if (!region) {
1050                         return true;
1051                 }
1052
1053                 boost::shared_ptr<Region> region_copy = RegionFactory::create (region);
1054
1055                 if (boost::dynamic_pointer_cast<AudioRegion> (region_copy) != 0 &&
1056                     dynamic_cast<AudioTimeAxisView*> (tv.first) == 0) {
1057
1058                         /* audio -> non-audio */
1059                         return true;
1060                 }
1061
1062                 if (boost::dynamic_pointer_cast<MidiRegion> (region_copy) == 0 &&
1063                     dynamic_cast<MidiTimeAxisView*> (tv.first) != 0) {
1064
1065                         /* MIDI -> non-MIDI */
1066                         return true;
1067                 }
1068
1069                 _drags->set (new RegionInsertDrag (this, region_copy, rtav, pos), &event);
1070         }
1071
1072         _drags->motion_handler (&event, false);
1073
1074         return true;
1075 }