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
  24 #include <pbd/stacktrace.h>
  25
  26 #include <ardour/audio_diskstream.h>
  27 #include <ardour/audioplaylist.h>
  28
  29 #include "editor.h"
  30 #include "keyboard.h"
  31 #include "public_editor.h"
  32 #include "audio_region_view.h"
  33 #include "audio_streamview.h"
  34 #include "crossfade_view.h"
  35 #include "audio_time_axis.h"
  36 #include "region_gain_line.h"
  37 #include "automation_gain_line.h"
  38 #include "automation_pan_line.h"
  39 #include "automation_time_axis.h"
  40 #include "redirect_automation_line.h"
  41 #include "canvas_impl.h"
  42 #include "simplerect.h"
  43
  44 #include "i18n.h"
  45
  46 using namespace sigc;
  47 using namespace std;
  48 using namespace ARDOUR;
  49 using namespace PBD;
  50 using namespace Gtk;
  51
  52 bool
  53 Editor::track_canvas_scroll (GdkEventScroll* ev)
  54 {
  55         int x, y;
  56         double wx, wy;
  57         nframes64_t xdelta;
  58         int direction = ev->direction;
  59
  60   retry:
  61         switch (direction) {
  62         case GDK_SCROLL_UP:
  63                 if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
  64                         //if (ev->state == GDK_CONTROL_MASK) {
  65                         /* XXX
  66                            the ev->x will be out of step with the canvas
  67                            if we're in mid zoom, so we have to get the damn mouse
  68                            pointer again
  69                         */
  70                         track_canvas->get_pointer (x, y);
  71                         track_canvas->window_to_world (x, y, wx, wy);
  72
  73                         GdkEvent event;
  74                         event.type = GDK_BUTTON_RELEASE;
  75                         event.button.x = wx;
  76                         event.button.y = wy;
  77
  78                         nframes64_t where = event_frame (&event, 0, 0);
  79                         temporal_zoom_to_frame (false, where);
  80                         return true;
  81                 } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::SecondaryModifier)) {
  82                         direction = GDK_SCROLL_LEFT;
  83                         goto retry;
  84                 } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::TertiaryModifier)) {
  85                         if (!current_stepping_trackview) {
  86                                 step_timeout = Glib::signal_timeout().connect (mem_fun(*this, &Editor::track_height_step_timeout), 500);
  87                                 if (!(current_stepping_trackview = trackview_by_y_position (ev->y + vertical_adjustment.get_value() - canvas_timebars_vsize))) {
  88                                         return false;
  89                                 }
  90                         }
  91                         last_track_height_step_timestamp = get_microseconds();
  92                         current_stepping_trackview->step_height (true);
  93                         return true;
  94                 } else {
  95                         scroll_tracks_up_line ();
  96                         return true;
  97                 }
  98                 break;
  99
 100         case GDK_SCROLL_DOWN:
 101                 if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
 102                         //if (ev->state == GDK_CONTROL_MASK) {
 103                         track_canvas->get_pointer (x, y);
 104                         track_canvas->window_to_world (x, y, wx, wy);
 105
 106                         GdkEvent event;
 107                         event.type = GDK_BUTTON_RELEASE;
 108                         event.button.x = wx;
 109                         event.button.y = wy;
 110
 111                         nframes64_t where = event_frame (&event, 0, 0);
 112                         temporal_zoom_to_frame (true, where);
 113                         return true;
 114                 } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::SecondaryModifier)) {
 115                         direction = GDK_SCROLL_RIGHT;
 116                         goto retry;
 117                 } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::TertiaryModifier)) {
 118                         if (!current_stepping_trackview) {
 119                                 step_timeout = Glib::signal_timeout().connect (mem_fun(*this, &Editor::track_height_step_timeout), 500);
 120                                 if (!(current_stepping_trackview = trackview_by_y_position (ev->y + vertical_adjustment.get_value() - canvas_timebars_vsize))) {
 121                                         return false;
 122                                 }
 123                         }
 124                         last_track_height_step_timestamp = get_microseconds();
 125                         current_stepping_trackview->step_height (false);
 126                         return true;
 127                 } else {
 128                         scroll_tracks_down_line ();
 129                         return true;
 130                 }
 131                 break;
 132
 133         case GDK_SCROLL_LEFT:
 134                 xdelta = (current_page_frames() / 8);
 135                 if (leftmost_frame > xdelta) {
 136                         reset_x_origin (leftmost_frame - xdelta);
 137                 } else {
 138                         reset_x_origin (0);
 139                 }
 140                 break;
 141
 142         case GDK_SCROLL_RIGHT:
 143                 xdelta = (current_page_frames() / 8);
 144                 if (max_frames - xdelta > leftmost_frame) {
 145                         reset_x_origin (leftmost_frame + xdelta);
 146                 } else {
 147                         reset_x_origin (max_frames - current_page_frames());
 148                 }
 149                 break;
 150
 151         default:
 152                 /* what? */
 153                 break;
 154         }
 155
 156         return false;
 157 }
 158
 159 bool
 160 Editor::track_canvas_scroll_event (GdkEventScroll *event)
 161 {
 162         track_canvas->grab_focus();
 163         track_canvas_scroll (event);
 164         return false;
 165 }
 166
 167 bool
 168 Editor::track_canvas_button_press_event (GdkEventButton *event)
 169 {
 170         selection->clear ();
 171         track_canvas->grab_focus();
 172         return false;
 173 }
 174
 175 bool
 176 Editor::track_canvas_button_release_event (GdkEventButton *event)
 177 {
 178         if (drag_info.item) {
 179                 end_grab (drag_info.item, (GdkEvent*) event);
 180         }
 181         return false;
 182 }
 183
 184 bool
 185 Editor::track_canvas_motion_notify_event (GdkEventMotion *event)
 186 {
 187         int x, y;
 188         /* keep those motion events coming */
 189         track_canvas->get_pointer (x, y);
 190         return false;
 191 }
 192
 193 bool
 194 Editor::track_canvas_motion (GdkEvent *ev)
 195 {
 196         if (verbose_cursor_visible) {
 197                 verbose_canvas_cursor->property_x() = clamp_verbose_cursor_x (ev->motion.x + 10);
 198                 verbose_canvas_cursor->property_y() = clamp_verbose_cursor_y (ev->motion.y + 10);
 199         }
 200
 201         return false;
 202 }
 203
 204 bool
 205 Editor::typed_event (ArdourCanvas::Item* item, GdkEvent *event, ItemType type)
 206 {
 207         gint ret = FALSE;
 208
 209         switch (event->type) {
 210         case GDK_BUTTON_PRESS:
 211         case GDK_2BUTTON_PRESS:
 212         case GDK_3BUTTON_PRESS:
 213                 ret = button_press_handler (item, event, type);
 214                 break;
 215         case GDK_BUTTON_RELEASE:
 216                 ret = button_release_handler (item, event, type);
 217                 break;
 218         case GDK_MOTION_NOTIFY:
 219                 ret = motion_handler (item, event, type);
 220                 break;
 221
 222         case GDK_ENTER_NOTIFY:
 223                 ret = enter_handler (item, event, type);
 224                 break;
 225
 226         case GDK_LEAVE_NOTIFY:
 227                 ret = leave_handler (item, event, type);
 228                 break;
 229
 230         default:
 231                 break;
 232         }
 233         return ret;
 234 }
 235
 236 bool
 237 Editor::canvas_region_view_event (GdkEvent *event, ArdourCanvas::Item* item, RegionView *rv)
 238 {
 239         bool ret = false;
 240
 241         if (!rv->sensitive ()) {
 242                 return false;
 243         }
 244
 245
 246         switch (event->type) {
 247         case GDK_BUTTON_PRESS:
 248         case GDK_2BUTTON_PRESS:
 249         case GDK_3BUTTON_PRESS:
 250                 clicked_regionview = rv;
 251                 clicked_control_point = 0;
 252                 clicked_trackview = &rv->get_time_axis_view();
 253                 clicked_audio_trackview = dynamic_cast<AudioTimeAxisView*>(clicked_trackview);
 254                 ret = button_press_handler (item, event, RegionItem);
 255                 break;
 256
 257         case GDK_BUTTON_RELEASE:
 258                 ret = button_release_handler (item, event, RegionItem);
 259                 break;
 260
 261         case GDK_MOTION_NOTIFY:
 262                 ret = motion_handler (item, event, RegionItem);
 263                 break;
 264
 265         case GDK_ENTER_NOTIFY:
 266                 set_entered_track (&rv->get_time_axis_view ());
 267                 set_entered_regionview (rv);
 268                 break;
 269
 270         case GDK_LEAVE_NOTIFY:
 271                 set_entered_track (0);
 272                 set_entered_regionview (0);
 273                 break;
 274
 275         default:
 276                 break;
 277         }
 278
 279         return ret;
 280 }
 281
 282 bool
 283 Editor::canvas_stream_view_event (GdkEvent *event, ArdourCanvas::Item* item, RouteTimeAxisView *tv)
 284 {
 285         bool ret = FALSE;
 286
 287         switch (event->type) {
 288         case GDK_BUTTON_PRESS:
 289         case GDK_2BUTTON_PRESS:
 290         case GDK_3BUTTON_PRESS:
 291                 clicked_regionview = 0;
 292                 clicked_control_point = 0;
 293                 clicked_trackview = tv;
 294                 clicked_audio_trackview = dynamic_cast<AudioTimeAxisView*>(tv);
 295                 ret = button_press_handler (item, event, StreamItem);
 296                 break;
 297
 298         case GDK_BUTTON_RELEASE:
 299                 ret = button_release_handler (item, event, StreamItem);
 300                 break;
 301
 302         case GDK_MOTION_NOTIFY:
 303                 ret = motion_handler (item, event, StreamItem);
 304                 break;
 305
 306         case GDK_ENTER_NOTIFY:
 307                 set_entered_track (tv);
 308                 break;
 309
 310         case GDK_LEAVE_NOTIFY:
 311                 set_entered_track (0);
 312                 break;
 313
 314         default:
 315                 break;
 316         }
 317
 318         return ret;
 319 }
 320
 321 bool
 322 Editor::canvas_automation_track_event (GdkEvent *event, ArdourCanvas::Item* item, AutomationTimeAxisView *atv)
 323 {
 324         bool ret = false;
 325
 326
 327         switch (event->type) {
 328         case GDK_BUTTON_PRESS:
 329         case GDK_2BUTTON_PRESS:
 330         case GDK_3BUTTON_PRESS:
 331                 clicked_regionview = 0;
 332                 clicked_control_point = 0;
 333                 clicked_trackview = atv;
 334                 clicked_audio_trackview = 0;
 335                 ret = button_press_handler (item, event, AutomationTrackItem);
 336                 break;
 337
 338         case GDK_BUTTON_RELEASE:
 339                 ret = button_release_handler (item, event, AutomationTrackItem);
 340                 break;
 341
 342         case GDK_MOTION_NOTIFY:
 343                 ret = motion_handler (item, event, AutomationTrackItem);
 344                 break;
 345
 346         case GDK_ENTER_NOTIFY:
 347                 ret = enter_handler (item, event, AutomationTrackItem);
 348                 break;
 349
 350         case GDK_LEAVE_NOTIFY:
 351                 ret = leave_handler (item, event, AutomationTrackItem);
 352                 break;
 353
 354         default:
 355                 break;
 356         }
 357
 358         return ret;
 359 }
 360
 361 bool
 362 Editor::canvas_fade_in_event (GdkEvent *event, ArdourCanvas::Item* item, AudioRegionView *rv)
 363 {
 364         /* we handle only button 3 press/release events */
 365
 366         if (!rv->sensitive()) {
 367                 return false;
 368         }
 369
 370         switch (event->type) {
 371         case GDK_BUTTON_PRESS:
 372                 clicked_regionview = rv;
 373                 clicked_control_point = 0;
 374                 clicked_trackview = &rv->get_time_axis_view();
 375                 clicked_audio_trackview = dynamic_cast<AudioTimeAxisView*>(clicked_trackview);
 376                 if (event->button.button == 3) {
 377                         return button_press_handler (item, event, FadeInItem);
 378                 }
 379                 break;
 380
 381         case GDK_BUTTON_RELEASE:
 382                 if (event->button.button == 3) {
 383                         return button_release_handler (item, event, FadeInItem);
 384                 }
 385                 break;
 386
 387         default:
 388                 break;
 389
 390         }
 391
 392         /* proxy for the regionview */
 393
 394         return canvas_region_view_event (event, rv->get_canvas_group(), rv);
 395 }
 396
 397 bool
 398 Editor::canvas_fade_in_handle_event (GdkEvent *event, ArdourCanvas::Item* item, AudioRegionView *rv)
 399 {
 400         bool ret = false;
 401
 402         if (!rv->sensitive()) {
 403                 return false;
 404         }
 405
 406         switch (event->type) {
 407         case GDK_BUTTON_PRESS:
 408         case GDK_2BUTTON_PRESS:
 409         case GDK_3BUTTON_PRESS:
 410                 clicked_regionview = rv;
 411                 clicked_control_point = 0;
 412                 clicked_trackview = &rv->get_time_axis_view();
 413                 clicked_audio_trackview = dynamic_cast<AudioTimeAxisView*>(clicked_trackview);
 414                 ret = button_press_handler (item, event, FadeInHandleItem);
 415                 break;
 416
 417         case GDK_BUTTON_RELEASE:
 418                 ret = button_release_handler (item, event, FadeInHandleItem);
 419                 break;
 420
 421         case GDK_MOTION_NOTIFY:
 422                 ret = motion_handler (item, event, FadeInHandleItem);
 423                 break;
 424
 425         case GDK_ENTER_NOTIFY:
 426                 ret = enter_handler (item, event, FadeInHandleItem);
 427                 break;
 428
 429         case GDK_LEAVE_NOTIFY:
 430                 ret = leave_handler (item, event, FadeInHandleItem);
 431                 break;
 432
 433         default:
 434                 break;
 435         }
 436
 437         return ret;
 438 }
 439
 440 bool
 441 Editor::canvas_fade_out_event (GdkEvent *event, ArdourCanvas::Item* item, AudioRegionView *rv)
 442 {
 443         /* we handle only button 3 press/release events */
 444
 445         if (!rv->sensitive()) {
 446                 return false;
 447         }
 448
 449         switch (event->type) {
 450         case GDK_BUTTON_PRESS:
 451                 clicked_regionview = rv;
 452                 clicked_control_point = 0;
 453                 clicked_trackview = &rv->get_time_axis_view();
 454                 clicked_audio_trackview = dynamic_cast<AudioTimeAxisView*>(clicked_trackview);
 455                 if (event->button.button == 3) {
 456                         return button_press_handler (item, event, FadeOutItem);
 457                 }
 458                 break;
 459
 460         case GDK_BUTTON_RELEASE:
 461                 if (event->button.button == 3) {
 462                         return button_release_handler (item, event, FadeOutItem);
 463                 }
 464                 break;
 465
 466         default:
 467                 break;
 468
 469         }
 470
 471         /* proxy for the regionview */
 472
 473         return canvas_region_view_event (event, rv->get_canvas_group(), rv);
 474 }
 475
 476 bool
 477 Editor::canvas_fade_out_handle_event (GdkEvent *event, ArdourCanvas::Item* item, AudioRegionView *rv)
 478 {
 479         bool ret = false;
 480
 481         if (!rv->sensitive()) {
 482                 return false;
 483         }
 484
 485         switch (event->type) {
 486         case GDK_BUTTON_PRESS:
 487         case GDK_2BUTTON_PRESS:
 488         case GDK_3BUTTON_PRESS:
 489                 clicked_regionview = rv;
 490                 clicked_control_point = 0;
 491                 clicked_trackview = &rv->get_time_axis_view();
 492                 clicked_audio_trackview = dynamic_cast<AudioTimeAxisView*>(clicked_trackview);
 493                 ret = button_press_handler (item, event, FadeOutHandleItem);
 494                 break;
 495
 496         case GDK_BUTTON_RELEASE:
 497                 ret = button_release_handler (item, event, FadeOutHandleItem);
 498                 break;
 499
 500         case GDK_MOTION_NOTIFY:
 501                 ret = motion_handler (item, event, FadeOutHandleItem);
 502                 break;
 503
 504         case GDK_ENTER_NOTIFY:
 505                 ret = enter_handler (item, event, FadeOutHandleItem);
 506                 break;
 507
 508         case GDK_LEAVE_NOTIFY:
 509                 ret = leave_handler (item, event, FadeOutHandleItem);
 510                 break;
 511
 512         default:
 513                 break;
 514         }
 515
 516         return ret;
 517 }
 518
 519 struct DescendingRegionLayerSorter {
 520     bool operator()(boost::shared_ptr<Region> a, boost::shared_ptr<Region> b) {
 521             return a->layer() > b->layer();
 522     }
 523 };
 524
 525 bool
 526 Editor::canvas_crossfade_view_event (GdkEvent* event, ArdourCanvas::Item* item, CrossfadeView* xfv)
 527 {
 528         /* we handle only button 3 press/release events */
 529
 530         switch (event->type) {
 531         case GDK_BUTTON_PRESS:
 532                 clicked_crossfadeview = xfv;
 533                 clicked_trackview = &clicked_crossfadeview->get_time_axis_view();
 534                 if (event->button.button == 3) {
 535                         return button_press_handler (item, event, CrossfadeViewItem);
 536                 }
 537                 break;
 538
 539         case GDK_BUTTON_RELEASE:
 540                 if (event->button.button == 3) {
 541                         bool ret = button_release_handler (item, event, CrossfadeViewItem);
 542                         return ret;
 543                 }
 544                 break;
 545
 546         default:
 547                 break;
 548
 549         }
 550
 551         /* XXX do not forward double clicks */
 552
 553         if (event->type == GDK_2BUTTON_PRESS) {
 554                 return false;
 555         }
 556
 557         /* proxy for the upper most regionview */
 558
 559         /* XXX really need to check if we are in the name highlight,
 560            and proxy to that when required.
 561         */
 562
 563         TimeAxisView& tv (xfv->get_time_axis_view());
 564         AudioTimeAxisView* atv;
 565
 566         if ((atv = dynamic_cast<AudioTimeAxisView*>(&tv)) != 0) {
 567
 568                 if (atv->is_audio_track()) {
 569
 570                         boost::shared_ptr<AudioPlaylist> pl;
 571                         if ((pl = boost::dynamic_pointer_cast<AudioPlaylist> (atv->get_diskstream()->playlist())) != 0) {
 572
 573                                 Playlist::RegionList* rl = pl->regions_at (event_frame (event));
 574
 575                                 if (!rl->empty()) {
 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
 585                                         return canvas_region_view_event (event, rv->get_canvas_group(), rv);
 586                                 }
 587
 588                                 delete rl;
 589                         }
 590                 }
 591         }
 592
 593         return TRUE;
 594 }
 595
 596 bool
 597 Editor::canvas_control_point_event (GdkEvent *event, ArdourCanvas::Item* item, ControlPoint* cp)
 598 {
 599         ItemType type;
 600
 601         switch (event->type) {
 602         case GDK_BUTTON_PRESS:
 603         case GDK_2BUTTON_PRESS:
 604         case GDK_3BUTTON_PRESS:
 605                 clicked_control_point = cp;
 606                 clicked_trackview = &cp->line.trackview;
 607                 clicked_audio_trackview = dynamic_cast<AudioTimeAxisView*>(clicked_trackview);
 608                 clicked_regionview = 0;
 609                 break;
 610
 611         case GDK_SCROLL_UP:
 612                 break;
 613
 614         case GDK_SCROLL_DOWN:
 615                 break;
 616
 617         default:
 618                 break;
 619         }
 620
 621         if (dynamic_cast<AudioRegionGainLine*> (&cp->line) != 0) {
 622                 type = GainControlPointItem;
 623         } else if (dynamic_cast<AutomationGainLine*> (&cp->line) != 0) {
 624                 type = GainAutomationControlPointItem;
 625         } else if (dynamic_cast<AutomationPanLine*> (&cp->line) != 0) {
 626                 type = PanAutomationControlPointItem;
 627         } else if (dynamic_cast<RedirectAutomationLine*> (&cp->line) != 0) {
 628                 type = RedirectAutomationControlPointItem;
 629         } else {
 630                 return false;
 631         }
 632
 633         return typed_event (item, event, type);
 634 }
 635
 636 bool
 637 Editor::canvas_line_event (GdkEvent *event, ArdourCanvas::Item* item, AutomationLine* al)
 638 {
 639         ItemType type;
 640
 641         if (dynamic_cast<AudioRegionGainLine*> (al) != 0) {
 642                 type = GainLineItem;
 643         } else if (dynamic_cast<AutomationGainLine*> (al) != 0) {
 644                 type = GainAutomationLineItem;
 645         } else if (dynamic_cast<AutomationPanLine*> (al) != 0) {
 646                 type = PanAutomationLineItem;
 647         } else if (dynamic_cast<RedirectAutomationLine*> (al) != 0) {
 648                 type = RedirectAutomationLineItem;
 649         } else {
 650                 return false;
 651         }
 652
 653         return typed_event (item, event, type);
 654 }
 655
 656 bool
 657 Editor::canvas_selection_rect_event (GdkEvent *event, ArdourCanvas::Item* item, SelectionRect* rect)
 658 {
 659         bool ret = false;
 660
 661         switch (event->type) {
 662         case GDK_BUTTON_PRESS:
 663         case GDK_2BUTTON_PRESS:
 664         case GDK_3BUTTON_PRESS:
 665                 clicked_selection = rect->id;
 666                 ret = button_press_handler (item, event, SelectionItem);
 667                 break;
 668         case GDK_BUTTON_RELEASE:
 669                 ret = button_release_handler (item, event, SelectionItem);
 670                 break;
 671         case GDK_MOTION_NOTIFY:
 672                 ret = motion_handler (item, event, SelectionItem);
 673                 break;
 674                 /* Don't need these at the moment. */
 675         case GDK_ENTER_NOTIFY:
 676                 ret = enter_handler (item, event, SelectionItem);
 677                 break;
 678
 679         case GDK_LEAVE_NOTIFY:
 680                 ret = leave_handler (item, event, SelectionItem);
 681                 break;
 682
 683         default:
 684                 break;
 685         }
 686
 687         return ret;
 688 }
 689
 690 bool
 691 Editor::canvas_selection_start_trim_event (GdkEvent *event, ArdourCanvas::Item* item, SelectionRect* rect)
 692 {
 693         bool ret = false;
 694
 695         switch (event->type) {
 696         case GDK_BUTTON_PRESS:
 697         case GDK_2BUTTON_PRESS:
 698         case GDK_3BUTTON_PRESS:
 699                 clicked_selection = rect->id;
 700                 ret = button_press_handler (item, event, StartSelectionTrimItem);
 701                 break;
 702         case GDK_BUTTON_RELEASE:
 703                 ret = button_release_handler (item, event, StartSelectionTrimItem);
 704                 break;
 705         case GDK_MOTION_NOTIFY:
 706                 ret = motion_handler (item, event, StartSelectionTrimItem);
 707                 break;
 708         case GDK_ENTER_NOTIFY:
 709                 ret = enter_handler (item, event, StartSelectionTrimItem);
 710                 break;
 711
 712         case GDK_LEAVE_NOTIFY:
 713                 ret = leave_handler (item, event, StartSelectionTrimItem);
 714                 break;
 715
 716         default:
 717                 break;
 718         }
 719
 720         return ret;
 721 }
 722
 723 bool
 724 Editor::canvas_selection_end_trim_event (GdkEvent *event, ArdourCanvas::Item* item, SelectionRect* rect)
 725 {
 726         bool ret = false;
 727
 728         switch (event->type) {
 729         case GDK_BUTTON_PRESS:
 730         case GDK_2BUTTON_PRESS:
 731         case GDK_3BUTTON_PRESS:
 732                 clicked_selection = rect->id;
 733                 ret = button_press_handler (item, event, EndSelectionTrimItem);
 734                 break;
 735         case GDK_BUTTON_RELEASE:
 736                 ret = button_release_handler (item, event, EndSelectionTrimItem);
 737                 break;
 738         case GDK_MOTION_NOTIFY:
 739                 ret = motion_handler (item, event, EndSelectionTrimItem);
 740                 break;
 741         case GDK_ENTER_NOTIFY:
 742                 ret = enter_handler (item, event, EndSelectionTrimItem);
 743                 break;
 744
 745         case GDK_LEAVE_NOTIFY:
 746                 ret = leave_handler (item, event, EndSelectionTrimItem);
 747                 break;
 748
 749         default:
 750                 break;
 751         }
 752
 753         return ret;
 754 }
 755
 756
 757 bool
 758 Editor::canvas_region_view_name_highlight_event (GdkEvent* event, ArdourCanvas::Item* item, RegionView* rv)
 759 {
 760         bool ret = false;
 761
 762         if (!rv->sensitive()) {
 763                 return false;
 764         }
 765
 766         switch (event->type) {
 767         case GDK_BUTTON_PRESS:
 768         case GDK_2BUTTON_PRESS:
 769         case GDK_3BUTTON_PRESS:
 770                 clicked_regionview = rv;
 771                 clicked_control_point = 0;
 772                 clicked_trackview = &clicked_regionview->get_time_axis_view();
 773                 clicked_audio_trackview = dynamic_cast<AudioTimeAxisView*>(clicked_trackview);
 774                 ret = button_press_handler (item, event, RegionViewNameHighlight);
 775                 break;
 776         case GDK_BUTTON_RELEASE:
 777                 ret = button_release_handler (item, event, RegionViewNameHighlight);
 778                 break;
 779         case GDK_MOTION_NOTIFY:
 780                 ret = motion_handler (item, event, RegionViewNameHighlight);
 781                 break;
 782         case GDK_ENTER_NOTIFY:
 783                 ret = enter_handler (item, event, RegionViewNameHighlight);
 784                 break;
 785
 786         case GDK_LEAVE_NOTIFY:
 787                 ret = leave_handler (item, event, RegionViewNameHighlight);
 788                 break;
 789
 790         default:
 791                 break;
 792         }
 793
 794         return ret;
 795 }
 796
 797 bool
 798 Editor::canvas_region_view_name_event (GdkEvent *event, ArdourCanvas::Item* item, RegionView* rv)
 799 {
 800         bool ret = false;
 801
 802         if (!rv->sensitive()) {
 803                 return false;
 804         }
 805
 806         switch (event->type) {
 807         case GDK_BUTTON_PRESS:
 808         case GDK_2BUTTON_PRESS:
 809         case GDK_3BUTTON_PRESS:
 810                 clicked_regionview = rv;
 811                 clicked_control_point = 0;
 812                 clicked_trackview = &clicked_regionview->get_time_axis_view();
 813                 clicked_audio_trackview = dynamic_cast<AudioTimeAxisView*>(clicked_trackview);
 814                 ret = button_press_handler (item, event, RegionViewName);
 815                 break;
 816         case GDK_BUTTON_RELEASE:
 817                 ret = button_release_handler (item, event, RegionViewName);
 818                 break;
 819         case GDK_MOTION_NOTIFY:
 820                 ret = motion_handler (item, event, RegionViewName);
 821                 break;
 822         case GDK_ENTER_NOTIFY:
 823                 ret = enter_handler (item, event, RegionViewName);
 824                 break;
 825
 826         case GDK_LEAVE_NOTIFY:
 827                 ret = leave_handler (item, event, RegionViewName);
 828                 break;
 829
 830         default:
 831                 break;
 832         }
 833
 834         return ret;
 835 }
 836
 837 bool
 838 Editor::canvas_marker_event (GdkEvent *event, ArdourCanvas::Item* item, Marker* marker)
 839 {
 840         return typed_event (item, event, MarkerItem);
 841 }
 842
 843 bool
 844 Editor::canvas_marker_bar_event (GdkEvent *event, ArdourCanvas::Item* item)
 845 {
 846         return typed_event (item, event, MarkerBarItem);
 847 }
 848
 849 bool
 850 Editor::canvas_range_marker_bar_event (GdkEvent *event, ArdourCanvas::Item* item)
 851 {
 852         return typed_event (item, event, RangeMarkerBarItem);
 853 }
 854
 855 bool
 856 Editor::canvas_transport_marker_bar_event (GdkEvent *event, ArdourCanvas::Item* item)
 857 {
 858         return typed_event (item, event, TransportMarkerBarItem);
 859 }
 860
 861 bool
 862 Editor::canvas_cd_marker_bar_event (GdkEvent *event, ArdourCanvas::Item* item)
 863 {
 864         return typed_event (item, event, CdMarkerBarItem);
 865 }
 866
 867 bool
 868 Editor::canvas_tempo_marker_event (GdkEvent *event, ArdourCanvas::Item* item, TempoMarker* marker)
 869 {
 870         return typed_event (item, event, TempoMarkerItem);
 871 }
 872
 873 bool
 874 Editor::canvas_meter_marker_event (GdkEvent *event, ArdourCanvas::Item* item, MeterMarker* marker)
 875 {
 876         return typed_event (item, event, MeterMarkerItem);
 877 }
 878
 879 bool
 880 Editor::canvas_tempo_bar_event (GdkEvent *event, ArdourCanvas::Item* item)
 881 {
 882         return typed_event (item, event, TempoBarItem);
 883 }
 884
 885 bool
 886 Editor::canvas_meter_bar_event (GdkEvent *event, ArdourCanvas::Item* item)
 887 {
 888         return typed_event (item, event, MeterBarItem);
 889 }
 890
 891 bool
 892 Editor::canvas_playhead_cursor_event (GdkEvent *event, ArdourCanvas::Item* item)
 893 {
 894         return typed_event (item, event, PlayheadCursorItem);
 895 }
 896
 897 bool
 898 Editor::canvas_zoom_rect_event (GdkEvent *event, ArdourCanvas::Item* item)
 899 {
 900         return typed_event (item, event, NoItem);
 901 }
 902