gtk2_ardour/time_axis_view.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     $Id$
  19 */
  20
  21 #include <cstdlib>
  22 #include <cmath>
  23 #include <algorithm>
  24 #include <string>
  25 #include <list>
  26
  27 #include <libgnomecanvasmm/libgnomecanvasmm.h>
  28 #include <libgnomecanvasmm/canvas.h>
  29 #include <libgnomecanvasmm/item.h>
  30
  31 #include <pbd/error.h>
  32
  33 #include <gtkmm2ext/utils.h>
  34 #include <gtkmm2ext/selector.h>
  35 #include <gtkmm2ext/stop_signal.h>
  36
  37 #include <ardour/session.h>
  38 #include <ardour/utils.h>
  39 #include <ardour/ladspa_plugin.h>
  40 #include <ardour/insert.h>
  41 #include <ardour/location.h>
  42
  43 #include "ardour_ui.h"
  44 #include "public_editor.h"
  45 #include "time_axis_view.h"
  46 #include "simplerect.h"
  47 #include "selection.h"
  48 #include "keyboard.h"
  49 #include "rgb_macros.h"
  50 #include "utils.h"
  51
  52 #include "i18n.h"
  53
  54 using namespace Gtk;
  55 using namespace Gdk;
  56 using namespace sigc;
  57 using namespace ARDOUR;
  58 using namespace Editing;
  59 using namespace ArdourCanvas;
  60
  61 const double trim_handle_size = 6.0; /* pixels */
  62
  63 TimeAxisView::TimeAxisView (ARDOUR::Session& sess, PublicEditor& ed, TimeAxisView* rent, Canvas& canvas)
  64         : AxisView (sess),
  65           editor (ed),
  66           controls_table (2, 9)
  67 {
  68         canvas_display = new Group (*canvas.root(), 0.0, 0.0);
  69
  70         selection_group = new Group (*canvas_display);
  71         selection_group->hide();
  72
  73         control_parent = 0;
  74         display_menu = 0;
  75         size_menu = 0;
  76         _marked_for_display = false;
  77         _hidden = false;
  78         height = 0;
  79         effective_height = 0;
  80         parent = rent;
  81         _has_state = false;
  82         last_name_entry_key_press_event = 0;
  83
  84         /*
  85           Create the standard LHS Controls
  86           We create the top-level container and name add the name label here,
  87           subclasses can add to the layout as required
  88         */
  89
  90         name_entry.set_name ("EditorTrackNameDisplay");
  91         name_entry.signal_button_release_event().connect (mem_fun (*this, &TimeAxisView::name_entry_button_release));
  92         name_entry.signal_button_press_event().connect (mem_fun (*this, &TimeAxisView::name_entry_button_press));
  93         name_entry.signal_key_release_event().connect (mem_fun (*this, &TimeAxisView::name_entry_key_release));
  94         name_entry.signal_activate().connect (mem_fun(*this, &TimeAxisView::name_entry_activated));
  95         name_entry.signal_focus_in_event().connect (mem_fun (*this, &TimeAxisView::name_entry_focus_in));
  96         name_entry.signal_focus_out_event().connect (mem_fun (*this, &TimeAxisView::name_entry_focus_out));
  97         Gtkmm2ext::set_size_request_to_display_given_text (name_entry, N_("gTortnam"), 10, 10); // just represents a short name
  98
  99         name_label.set_name ("TrackLabel");
 100         name_label.set_alignment (0.0, 0.5);
 101
 102         // name_hbox.set_border_width (2);
 103         // name_hbox.set_spacing (5);
 104
 105         /* typically, either name_label OR name_entry are visible,
 106            but not both. its up to derived classes to show/hide them as they
 107            wish.
 108         */
 109
 110         name_hbox.pack_start (name_label, true, true);
 111         name_hbox.pack_start (name_entry, true, true);
 112         name_hbox.show ();
 113
 114         controls_table.set_border_width (2);
 115         controls_table.set_row_spacings (0);
 116         controls_table.set_col_spacings (0);
 117         controls_table.set_homogeneous (true);
 118         controls_table.show ();
 119
 120         controls_table.attach (name_hbox, 0, 5, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
 121
 122         controls_table.show ();
 123
 124         controls_vbox.pack_start (controls_table, false, false);
 125         controls_vbox.show ();
 126
 127         controls_ebox.set_name ("TimeAxisViewControlsBaseUnselected");
 128         controls_ebox.add (controls_vbox);
 129         controls_ebox.add_events (BUTTON_PRESS_MASK|BUTTON_RELEASE_MASK|SCROLL_MASK);
 130         controls_ebox.set_flags (CAN_FOCUS);
 131
 132         controls_ebox.signal_button_release_event().connect (mem_fun (*this, &TimeAxisView::controls_ebox_button_release));
 133         controls_ebox.signal_scroll_event().connect (mem_fun (*this, &TimeAxisView::controls_ebox_scroll), true);
 134
 135         controls_lhs_pad.set_name ("TimeAxisViewControlsPadding");
 136         controls_hbox.pack_start (controls_lhs_pad,false,false);
 137         controls_hbox.pack_start (controls_ebox,true,true);
 138         controls_hbox.show ();
 139
 140         controls_frame.add (controls_hbox);
 141         controls_frame.set_name ("TimeAxisViewControlsBaseUnselected");
 142         controls_frame.set_shadow_type (Gtk::SHADOW_OUT);
 143
 144 }
 145
 146 TimeAxisView::~TimeAxisView()
 147 {
 148         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 149                 delete *i;
 150         }
 151
 152         for (list<SelectionRect*>::iterator i = free_selection_rects.begin(); i != free_selection_rects.end(); ++i) {
 153                 delete (*i)->rect;
 154                 delete (*i)->start_trim;
 155                 delete (*i)->end_trim;
 156
 157         }
 158
 159         for (list<SelectionRect*>::iterator i = used_selection_rects.begin(); i != used_selection_rects.end(); ++i) {
 160                 delete (*i)->rect;
 161                 delete (*i)->start_trim;
 162                 delete (*i)->end_trim;
 163         }
 164
 165         if (selection_group) {
 166                 delete selection_group;
 167                 selection_group = 0;
 168         }
 169
 170         if (canvas_display) {
 171                 delete canvas_display;
 172                 canvas_display = 0;
 173         }
 174
 175         if (display_menu) {
 176                 delete display_menu;
 177                 display_menu = 0;
 178         }
 179
 180         if (size_menu) {
 181                 delete size_menu;
 182                 size_menu = 0;
 183         }
 184 }
 185
 186 guint32
 187 TimeAxisView::show_at (double y, int& nth, VBox *parent)
 188 {
 189         gdouble ix1, ix2, iy1, iy2;
 190         effective_height = 0;
 191
 192         if (control_parent) {
 193                 control_parent->reorder_child (controls_frame, nth);
 194         } else {
 195                 control_parent = parent;
 196                 parent->pack_start (controls_frame, false, false);
 197                 parent->reorder_child (controls_frame, nth);
 198         }
 199         controls_frame.show ();
 200         controls_ebox.show ();
 201
 202         /* the coordinates used here are in the system of the
 203            item's parent ...
 204         */
 205
 206         canvas_display->get_bounds (ix1, iy1, ix2, iy2);
 207         Group* pg = canvas_display->property_parent();
 208         pg->i2w (ix1, iy1);
 209
 210         if (iy1 < 0) {
 211                 iy1 = 0;
 212         }
 213
 214         canvas_display->move (0.0, y - iy1);
 215         canvas_display->show();/* XXX not necessary */
 216         y_position = y;
 217         order = nth;
 218         _hidden = false;
 219
 220         effective_height = height;
 221
 222         /* now show children */
 223
 224         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 225
 226                 if ((*i)->marked_for_display()) {
 227                         (*i)->canvas_display->show();
 228                 }
 229
 230                 if (canvas_item_visible ((*i)->canvas_display)) {
 231                         ++nth;
 232                         effective_height += (*i)->show_at (y + effective_height, nth, parent);
 233                 }
 234         }
 235
 236         return effective_height;
 237 }
 238
 239 bool
 240 TimeAxisView::controls_ebox_scroll (GdkEventScroll* ev)
 241 {
 242         switch (ev->direction) {
 243         case GDK_SCROLL_UP:
 244                 if (Keyboard::modifier_state_equals (ev->state, Keyboard::Control)) {
 245                         step_height (true);
 246                         return true;
 247                 }
 248                 break;
 249
 250         case GDK_SCROLL_DOWN:
 251                 if (Keyboard::modifier_state_equals (ev->state, Keyboard::Control)) {
 252                         step_height (false);
 253                         return true;
 254                 }
 255                 break;
 256
 257         default:
 258                 /* no handling for left/right, yet */
 259                 break;
 260         }
 261
 262         return false;
 263 }
 264
 265 bool
 266 TimeAxisView::controls_ebox_button_release (GdkEventButton* ev)
 267 {
 268         switch (ev->button) {
 269         case 1:
 270                 selection_click (ev);
 271                 break;
 272
 273         case 3:
 274                 popup_display_menu (ev->time);
 275                 break;
 276         }
 277
 278         return true;
 279 }
 280
 281 void
 282 TimeAxisView::selection_click (GdkEventButton* ev)
 283 {
 284         if (Keyboard::modifier_state_contains (ev->state, Keyboard::Shift)) {
 285
 286                 if (editor.get_selection().selected (this)) {
 287                         editor.get_selection().remove (this);
 288                 } else {
 289                         editor.get_selection().add (this);
 290                 }
 291
 292         } else {
 293
 294                 editor.get_selection().set (this);
 295         }
 296 }
 297
 298 void
 299 TimeAxisView::hide ()
 300 {
 301         if (_hidden) {
 302                 return;
 303         }
 304
 305         canvas_display->hide();
 306         controls_frame.hide ();
 307
 308         if (control_parent) {
 309                 control_parent->remove (controls_frame);
 310                 control_parent = 0;
 311         }
 312
 313         y_position = -1;
 314         _hidden = true;
 315
 316         /* now hide children */
 317
 318         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 319                 (*i)->hide ();
 320         }
 321
 322         Hiding ();
 323 }
 324
 325 void
 326 TimeAxisView::step_height (bool bigger)
 327 {
 328         switch (height) {
 329         case Largest:
 330                 if (!bigger) set_height (Large);
 331                 break;
 332         case Large:
 333                 if (bigger) set_height (Largest);
 334                 else set_height (Larger);
 335                 break;
 336         case Larger:
 337                 if (bigger) set_height (Large);
 338                 else set_height (Normal);
 339                 break;
 340         case Normal:
 341                 if (bigger) set_height (Larger);
 342                 else set_height (Smaller);
 343                 break;
 344         case Smaller:
 345                 if (bigger) set_height (Normal);
 346                 else set_height (Small);
 347                 break;
 348         case Small:
 349                 if (bigger) set_height (Smaller);
 350                 break;
 351         }
 352 }
 353
 354 void
 355 TimeAxisView::set_height (TrackHeight h)
 356 {
 357         height = (gint32) h;
 358         controls_frame.set_size_request (-1, height);
 359
 360         if (canvas_item_visible (selection_group)) {
 361                 /* resize the selection rect */
 362                 show_selection (editor.get_selection().time);
 363         }
 364 }
 365
 366 bool
 367 TimeAxisView::name_entry_key_release (GdkEventKey* ev)
 368 {
 369         switch (ev->keyval) {
 370         case GDK_Tab:
 371         case GDK_Up:
 372         case GDK_Down:
 373                 name_entry_changed ();
 374                 return true;
 375
 376         default:
 377                 break;
 378         }
 379
 380 #ifdef TIMEOUT_NAME_EDIT
 381         /* adapt the timeout to reflect the user's typing speed */
 382
 383         guint32 name_entry_timeout;
 384
 385         if (last_name_entry_key_press_event) {
 386                 /* timeout is 1/2 second or 5 times their current inter-char typing speed */
 387                 name_entry_timeout = std::max (500U, (5 * (ev->time - last_name_entry_key_press_event)));
 388         } else {
 389                 /* start with a 1 second timeout */
 390                 name_entry_timeout = 1000;
 391         }
 392
 393         last_name_entry_key_press_event = ev->time;
 394
 395         /* wait 1 seconds and if no more keys are pressed, act as if they pressed enter */
 396
 397         name_entry_key_timeout.disconnect();
 398         name_entry_key_timeout = Glib::signal_timeout().connect (mem_fun (*this, &TimeAxisView::name_entry_key_timed_out), name_entry_timeout);
 399 #endif
 400
 401         return false;
 402 }
 403
 404 bool
 405 TimeAxisView::name_entry_focus_in (GdkEventFocus* ev)
 406 {
 407         name_entry.select_region (0, -1);
 408         name_entry.set_name ("EditorActiveTrackNameDisplay");
 409         return false;
 410 }
 411
 412 bool
 413 TimeAxisView::name_entry_focus_out (GdkEventFocus* ev)
 414 {
 415         /* clean up */
 416
 417         last_name_entry_key_press_event = 0;
 418         name_entry_key_timeout.disconnect ();
 419         name_entry.set_name ("EditorTrackNameDisplay");
 420
 421         /* do the real stuff */
 422
 423         name_entry_changed ();
 424
 425         return false;
 426 }
 427
 428 bool
 429 TimeAxisView::name_entry_key_timed_out ()
 430 {
 431         name_entry_activated();
 432         return false;
 433 }
 434
 435 void
 436 TimeAxisView::name_entry_activated ()
 437 {
 438         controls_ebox.grab_focus();
 439 }
 440
 441 void
 442 TimeAxisView::name_entry_changed ()
 443 {
 444 }
 445
 446 bool
 447 TimeAxisView::name_entry_button_press (GdkEventButton *ev)
 448 {
 449         if (ev->button == 3) {
 450                 return true;
 451         }
 452         return false;
 453 }
 454
 455 bool
 456 TimeAxisView::name_entry_button_release (GdkEventButton *ev)
 457 {
 458         if (ev->button == 3) {
 459                 popup_display_menu (ev->time);
 460                 return true;
 461         }
 462         return false;
 463 }
 464
 465 void
 466 TimeAxisView::popup_display_menu (guint32 when)
 467 {
 468         if (display_menu == 0) {
 469                 build_display_menu ();
 470         }
 471         display_menu->popup (1, when);
 472 }
 473
 474 gint
 475 TimeAxisView::size_click (GdkEventButton *ev)
 476 {
 477         popup_size_menu (ev->time);
 478         return TRUE;
 479 }
 480
 481 void
 482 TimeAxisView::popup_size_menu (guint32 when)
 483 {
 484         if (size_menu == 0) {
 485                 build_size_menu ();
 486         }
 487         size_menu->popup (1, when);
 488 }
 489
 490 void
 491 TimeAxisView::set_selected (bool yn)
 492 {
 493         AxisView::set_selected (yn);
 494
 495         if (_selected) {
 496                 controls_ebox.set_name (controls_base_selected_name);
 497                 controls_frame.set_name (controls_base_selected_name);
 498
 499                 /* propagate any existing selection, if the mode is right */
 500
 501                 if (editor.current_mouse_mode() == Editing::MouseRange && !editor.get_selection().time.empty()) {
 502                         show_selection (editor.get_selection().time);
 503                 }
 504
 505         } else {
 506                 controls_ebox.set_name (controls_base_unselected_name);
 507                 controls_frame.set_name (controls_base_unselected_name);
 508
 509                 hide_selection ();
 510
 511                 /* children will be set for the yn=true case. but when deselecting
 512                    the editor only has a list of top-level trackviews, so we
 513                    have to do this here.
 514                 */
 515
 516                 for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 517                         (*i)->set_selected (false);
 518                 }
 519
 520
 521         }
 522 }
 523
 524 void
 525 TimeAxisView::build_size_menu ()
 526 {
 527         using namespace Menu_Helpers;
 528
 529         size_menu = new Menu;
 530         size_menu->set_name ("ArdourContextMenu");
 531         MenuList& items = size_menu->items();
 532
 533         items.push_back (MenuElem (_("Largest"), bind (mem_fun (*this, &TimeAxisView::set_height), Largest)));
 534         items.push_back (MenuElem (_("Large"), bind (mem_fun (*this, &TimeAxisView::set_height), Large)));
 535         items.push_back (MenuElem (_("Larger"), bind (mem_fun (*this, &TimeAxisView::set_height), Larger)));
 536         items.push_back (MenuElem (_("Normal"), bind (mem_fun (*this, &TimeAxisView::set_height), Normal)));
 537         items.push_back (MenuElem (_("Smaller"), bind (mem_fun (*this, &TimeAxisView::set_height), Smaller)));
 538         items.push_back (MenuElem (_("Small"), bind (mem_fun (*this, &TimeAxisView::set_height), Small)));
 539 }
 540
 541 void
 542 TimeAxisView::build_display_menu ()
 543 {
 544         using namespace Menu_Helpers;
 545
 546         display_menu = new Menu;
 547         display_menu->set_name ("ArdourContextMenu");
 548
 549         // Just let implementing classes define what goes into the manu
 550 }
 551
 552 void
 553 TimeAxisView::set_samples_per_unit (double spu)
 554 {
 555         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 556                 (*i)->set_samples_per_unit (spu);
 557         }
 558 }
 559
 560 void
 561 TimeAxisView::show_timestretch (jack_nframes_t start, jack_nframes_t end)
 562 {
 563         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 564                 (*i)->show_timestretch (start, end);
 565         }
 566 }
 567
 568 void
 569 TimeAxisView::hide_timestretch ()
 570 {
 571         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 572                 (*i)->hide_timestretch ();
 573         }
 574 }
 575
 576 void
 577 TimeAxisView::show_selection (TimeSelection& ts)
 578 {
 579         double x1;
 580         double x2;
 581         double y2;
 582         SelectionRect *rect;
 583
 584         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 585                 (*i)->show_selection (ts);
 586         }
 587
 588         if (canvas_item_visible (selection_group)) {
 589                 while (!used_selection_rects.empty()) {
 590                         free_selection_rects.push_front (used_selection_rects.front());
 591                         used_selection_rects.pop_front();
 592                         free_selection_rects.front()->rect->hide();
 593                         free_selection_rects.front()->start_trim->hide();
 594                         free_selection_rects.front()->end_trim->hide();
 595                 }
 596                 selection_group->hide();
 597         }
 598
 599         selection_group->show();
 600         selection_group->raise_to_top();
 601
 602         for (list<AudioRange>::iterator i = ts.begin(); i != ts.end(); ++i) {
 603                 jack_nframes_t start, end, cnt;
 604
 605                 start = (*i).start;
 606                 end = (*i).end;
 607                 cnt = end - start + 1;
 608
 609                 rect = get_selection_rect ((*i).id);
 610
 611                 x1 = start / editor.get_current_zoom();
 612                 x2 = (start + cnt - 1) / editor.get_current_zoom();
 613                 y2 = height;
 614
 615                 rect->rect->property_x1() = x1;
 616                 rect->rect->property_y1() = 1.0;
 617                 rect->rect->property_x2() = x2;
 618                 rect->rect->property_y2() = y2;
 619
 620                 // trim boxes are at the top for selections
 621
 622                 if (x2 > x1) {
 623                         rect->start_trim->property_x1() = x1;
 624                         rect->start_trim->property_y1() = 1.0;
 625                         rect->start_trim->property_x2() = x1 + trim_handle_size;
 626                         rect->start_trim->property_y2() = 1.0 + trim_handle_size;
 627
 628                         rect->end_trim->property_x1() = x2 - trim_handle_size;
 629                         rect->end_trim->property_y1() = 1.0;
 630                         rect->end_trim->property_x2() = x2;
 631                         rect->end_trim->property_y2() = 1.0 + trim_handle_size;
 632
 633                         rect->start_trim->show();
 634                         rect->end_trim->show();
 635                 } else {
 636                         rect->start_trim->hide();
 637                         rect->end_trim->hide();
 638                 }
 639
 640                 rect->rect->show ();
 641                 used_selection_rects.push_back (rect);
 642         }
 643 }
 644
 645 void
 646 TimeAxisView::reshow_selection (TimeSelection& ts)
 647 {
 648         show_selection (ts);
 649
 650         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 651                 (*i)->show_selection (ts);
 652         }
 653 }
 654
 655 void
 656 TimeAxisView::hide_selection ()
 657 {
 658         if (canvas_item_visible (selection_group)) {
 659                 while (!used_selection_rects.empty()) {
 660                         free_selection_rects.push_front (used_selection_rects.front());
 661                         used_selection_rects.pop_front();
 662                         free_selection_rects.front()->rect->hide();
 663                         free_selection_rects.front()->start_trim->hide();
 664                         free_selection_rects.front()->end_trim->hide();
 665                 }
 666                 selection_group->hide();
 667         }
 668
 669         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 670                 (*i)->hide_selection ();
 671         }
 672 }
 673
 674 void
 675 TimeAxisView::order_selection_trims (ArdourCanvas::Item *item, bool put_start_on_top)
 676 {
 677         /* find the selection rect this is for. we have the item corresponding to one
 678            of the trim handles.
 679          */
 680
 681         for (list<SelectionRect*>::iterator i = used_selection_rects.begin(); i != used_selection_rects.end(); ++i) {
 682                 if ((*i)->start_trim == item || (*i)->end_trim == item) {
 683
 684                         /* make one trim handle be "above" the other so that if they overlap,
 685                            the top one is the one last used.
 686                         */
 687
 688                         (*i)->rect->raise_to_top ();
 689                         (put_start_on_top ? (*i)->start_trim : (*i)->end_trim)->raise_to_top ();
 690                         (put_start_on_top ? (*i)->end_trim : (*i)->start_trim)->raise_to_top ();
 691
 692                         break;
 693                 }
 694         }
 695 }
 696
 697 SelectionRect *
 698 TimeAxisView::get_selection_rect (uint32_t id)
 699 {
 700         SelectionRect *rect;
 701
 702         /* check to see if we already have a visible rect for this particular selection ID */
 703
 704         for (list<SelectionRect*>::iterator i = used_selection_rects.begin(); i != used_selection_rects.end(); ++i) {
 705                 if ((*i)->id == id) {
 706                         return (*i);
 707                 }
 708         }
 709
 710         /* ditto for the free rect list */
 711
 712         for (list<SelectionRect*>::iterator i = free_selection_rects.begin(); i != free_selection_rects.end(); ++i) {
 713                 if ((*i)->id == id) {
 714                         free_selection_rects.erase (i);
 715                         return (*i);
 716                 }
 717         }
 718
 719         /* no existing matching rect, so go get a new one from the free list, or create one if there are none */
 720
 721         if (free_selection_rects.empty()) {
 722
 723                 rect = new SelectionRect;
 724
 725                 rect->rect = new SimpleRect (*selection_group);
 726                 rect->rect->property_x1() = 0.0;
 727                 rect->rect->property_y1() = 0.0;
 728                 rect->rect->property_x2() = 0.0;
 729                 rect->rect->property_y2() = 0.0;
 730                 rect->rect->property_fill_color_rgba() = color_map[cSelectionRectFill];
 731                 rect->rect->property_outline_color_rgba() = color_map[cSelectionRectOutline];
 732
 733                 rect->start_trim = new SimpleRect (*selection_group);
 734                 rect->start_trim->property_x1() = 0.0;
 735                 rect->start_trim->property_x2() = 0.0;
 736                 rect->start_trim->property_fill_color_rgba() = color_map[cSelectionStartFill];
 737                 rect->start_trim->property_outline_color_rgba() = color_map[cSelectionStartOutline];
 738
 739                 rect->end_trim = new SimpleRect (*selection_group);
 740                 rect->end_trim->property_x1() = 0.0;
 741                 rect->end_trim->property_x2() = 0.0;
 742                 rect->end_trim->property_fill_color_rgba() = color_map[cSelectionEndFill];
 743                 rect->end_trim->property_outline_color_rgba() = color_map[cSelectionEndOutline];
 744
 745                 free_selection_rects.push_front (rect);
 746
 747                 rect->rect->signal_event().connect (bind (mem_fun (editor, &PublicEditor::canvas_selection_rect_event), rect->rect, rect));
 748                 rect->start_trim->signal_event().connect (bind (mem_fun (editor, &PublicEditor::canvas_selection_start_trim_event), rect->rect, rect));
 749                 rect->end_trim->signal_event().connect (bind (mem_fun (editor, &PublicEditor::canvas_selection_end_trim_event), rect->rect, rect));
 750         }
 751
 752         rect = free_selection_rects.front();
 753         rect->id = id;
 754         free_selection_rects.pop_front();
 755         return rect;
 756 }
 757
 758 bool
 759 TimeAxisView::is_child (TimeAxisView* tav)
 760 {
 761         return find (children.begin(), children.end(), tav) != children.end();
 762 }
 763
 764 void
 765 TimeAxisView::add_child (TimeAxisView* child)
 766 {
 767         children.push_back (child);
 768 }
 769
 770 void
 771 TimeAxisView::remove_child (TimeAxisView* child)
 772 {
 773         vector<TimeAxisView*>::iterator i;
 774
 775         if ((i = find (children.begin(), children.end(), child)) != children.end()) {
 776                 children.erase (i);
 777         }
 778 }
 779
 780 void
 781 TimeAxisView::get_selectables (jack_nframes_t start, jack_nframes_t end, double top, double bot, list<Selectable*>& result)
 782 {
 783         return;
 784 }
 785
 786 void
 787 TimeAxisView::get_inverted_selectables (Selection& sel, list<Selectable*>& result)
 788 {
 789         return;
 790 }
 791
 792 bool
 793 TimeAxisView::touched (double top, double bot)
 794 {
 795         /* remember: this is X Window - coordinate space starts in upper left and moves down.
 796            y_position is the "origin" or "top" of the track.
 797          */
 798
 799         double mybot = y_position + height; // XXX need to include Editor::track_spacing;
 800
 801         return ((y_position <= bot && y_position >= top) ||
 802                 ((mybot <= bot) && (top < mybot)) ||
 803                 (mybot >= bot && y_position < top));
 804 }
 805
 806 void
 807 TimeAxisView::set_parent (TimeAxisView& p)
 808 {
 809         parent = &p;
 810 }
 811
 812 bool
 813 TimeAxisView::has_state () const
 814 {
 815         return _has_state;
 816 }
 817
 818 TimeAxisView*
 819 TimeAxisView::get_parent_with_state ()
 820 {
 821         if (parent == 0) {
 822                 return 0;
 823         }
 824
 825         if (parent->has_state()) {
 826                 return parent;
 827         }
 828
 829         return parent->get_parent_with_state ();
 830 }
 831
 832 void
 833 TimeAxisView::set_state (const XMLNode& node)
 834 {
 835         const XMLProperty *prop;
 836
 837         if ((prop = node.property ("track_height")) != 0) {
 838
 839                 if (prop->value() == "largest") {
 840                         set_height (Largest);
 841                 } else if (prop->value() == "large") {
 842                         set_height (Large);
 843                 } else if (prop->value() == "larger") {
 844                         set_height (Larger);
 845                 } else if (prop->value() == "normal") {
 846                         set_height (Normal);
 847                 } else if (prop->value() == "smaller") {
 848                         set_height (Smaller);
 849                 } else if (prop->value() == "small") {
 850                         set_height (Small);
 851                 } else {
 852                         error << string_compose(_("unknown track height name \"%1\" in XML GUI information"), prop->value()) << endmsg;
 853                         set_height (Normal);
 854                 }
 855
 856         } else {
 857                 set_height (Normal);
 858         }
 859 }
 860
 861 void
 862 TimeAxisView::reset_height()
 863 {
 864         set_height ((TrackHeight) height);
 865
 866         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 867                 (*i)->set_height ((TrackHeight)(*i)->height);
 868         }
 869 }
 870
 871 void
 872 TimeAxisView::check_height (Gdk::Rectangle& r)
 873 {
 874 }