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 sigc;
  56 using namespace ARDOUR;
  57 using namespace Editing;
  58 using namespace ArdourCanvas;
  59
  60 const double trim_handle_size = 6.0; /* pixels */
  61
  62 TimeAxisView::TimeAxisView (ARDOUR::Session& sess, PublicEditor& ed, TimeAxisView* rent, Canvas& canvas)
  63         : AxisView (sess),
  64           editor (ed),
  65           controls_table (2, 9)
  66 {
  67         canvas_display = new Group (*canvas.root(), 0.0, 0.0);
  68
  69         selection_group = new Group (*canvas_display);
  70         selection_group->hide();
  71
  72         control_parent = 0;
  73         display_menu = 0;
  74         size_menu = 0;
  75         _marked_for_display = false;
  76         _hidden = false;
  77         height = 0;
  78         effective_height = 0;
  79         parent = rent;
  80         _has_state = false;
  81         last_name_entry_key_press_event = 0;
  82
  83         /*
  84           Create the standard LHS Controls
  85           We create the top-level container and name add the name label here,
  86           subclasses can add to the layout as required
  87         */
  88
  89         name_entry.set_name ("EditorTrackNameDisplay");
  90         name_entry.signal_button_release_event().connect (mem_fun (*this, &TimeAxisView::name_entry_button_release));
  91         name_entry.signal_button_press_event().connect (mem_fun (*this, &TimeAxisView::name_entry_button_press));
  92         name_entry.signal_key_release_event().connect (mem_fun (*this, &TimeAxisView::name_entry_key_release));
  93         name_entry.signal_activate().connect (mem_fun(*this, &TimeAxisView::name_entry_activated));
  94         name_entry.signal_focus_in_event().connect (mem_fun (*this, &TimeAxisView::name_entry_focus_in));
  95         name_entry.signal_focus_out_event().connect (mem_fun (*this, &TimeAxisView::name_entry_focus_out));
  96         Gtkmm2ext::set_size_request_to_display_given_text (name_entry, N_("gTortnam"), 10, 10); // just represents a short name
  97
  98         name_label.set_name ("TrackLabel");
  99         name_label.set_alignment (0.0, 0.5);
 100
 101         // name_hbox.set_border_width (2);
 102         // name_hbox.set_spacing (5);
 103
 104         /* typically, either name_label OR name_entry are visible,
 105            but not both. its up to derived classes to show/hide them as they
 106            wish.
 107         */
 108
 109         name_hbox.pack_start (name_label, true, true);
 110         name_hbox.pack_start (name_entry, true, true);
 111         name_hbox.show ();
 112
 113         controls_table.set_border_width (2);
 114         controls_table.set_row_spacings (0);
 115         controls_table.set_col_spacings (0);
 116         controls_table.set_homogeneous (true);
 117         controls_table.show ();
 118
 119         controls_table.attach (name_hbox, 0, 5, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
 120
 121         controls_table.show ();
 122
 123         controls_vbox.pack_start (controls_table, false, false);
 124         controls_vbox.show ();
 125
 126         controls_ebox.set_name ("TimeAxisViewControlsBaseUnselected");
 127         controls_ebox.add (controls_vbox);
 128         controls_ebox.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 129         controls_ebox.set_flags (Gtk::CAN_FOCUS);
 130
 131         controls_ebox.signal_button_release_event().connect (mem_fun (*this, &TimeAxisView::controls_ebox_button_release));
 132
 133         controls_lhs_pad.set_name ("TimeAxisViewControlsPadding");
 134         controls_hbox.pack_start (controls_lhs_pad,false,false);
 135         controls_hbox.pack_start (controls_ebox,true,true);
 136         controls_hbox.show ();
 137
 138         controls_frame.add (controls_hbox);
 139         controls_frame.set_name ("TimeAxisViewControlsBaseUnselected");
 140         controls_frame.set_shadow_type (Gtk::SHADOW_OUT);
 141 }
 142
 143 TimeAxisView::~TimeAxisView()
 144 {
 145         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 146                 delete *i;
 147         }
 148
 149         for (list<SelectionRect*>::iterator i = free_selection_rects.begin(); i != free_selection_rects.end(); ++i) {
 150                 delete (*i)->rect;
 151                 delete (*i)->start_trim;
 152                 delete (*i)->end_trim;
 153
 154         }
 155
 156         for (list<SelectionRect*>::iterator i = used_selection_rects.begin(); i != used_selection_rects.end(); ++i) {
 157                 delete (*i)->rect;
 158                 delete (*i)->start_trim;
 159                 delete (*i)->end_trim;
 160         }
 161
 162         if (selection_group) {
 163                 delete selection_group;
 164                 selection_group = 0;
 165         }
 166
 167         if (canvas_display) {
 168                 delete canvas_display;
 169                 canvas_display = 0;
 170         }
 171
 172         if (display_menu) {
 173                 delete display_menu;
 174                 display_menu = 0;
 175         }
 176
 177         if (size_menu) {
 178                 delete size_menu;
 179                 size_menu = 0;
 180         }
 181 }
 182
 183 guint32
 184 TimeAxisView::show_at (double y, int& nth, VBox *parent)
 185 {
 186         gdouble ix1, ix2, iy1, iy2;
 187         effective_height = 0;
 188
 189         if (control_parent) {
 190                 control_parent->reorder_child (controls_frame, nth);
 191         } else {
 192                 control_parent = parent;
 193                 parent->pack_start (controls_frame, false, false);
 194                 parent->reorder_child (controls_frame, nth);
 195         }
 196         controls_frame.show ();
 197         controls_ebox.show ();
 198
 199         /* the coordinates used here are in the system of the
 200            item's parent ...
 201         */
 202
 203         canvas_display->get_bounds (ix1, iy1, ix2, iy2);
 204         Group* pg = canvas_display->property_parent();
 205         pg->i2w (ix1, iy1);
 206
 207         if (iy1 < 0) {
 208                 iy1 = 0;
 209         }
 210
 211         canvas_display->move (0.0, y - iy1);
 212         canvas_display->show();/* XXX not necessary */
 213         y_position = y;
 214         order = nth;
 215         _hidden = false;
 216
 217         effective_height = height;
 218
 219         /* now show children */
 220
 221         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 222
 223                 if ((*i)->marked_for_display()) {
 224                         (*i)->canvas_display->show();
 225                 }
 226
 227                 if (canvas_item_visible ((*i)->canvas_display)) {
 228                         ++nth;
 229                         effective_height += (*i)->show_at (y + effective_height, nth, parent);
 230                 }
 231         }
 232
 233         return effective_height;
 234 }
 235
 236 gint
 237 TimeAxisView::controls_ebox_button_release (GdkEventButton* ev)
 238 {
 239         switch (ev->button) {
 240         case 1:
 241                 selection_click (ev);
 242                 break;
 243
 244         case 3:
 245                 popup_display_menu (ev->time);
 246                 break;
 247
 248         case 4:
 249                 if (Keyboard::no_modifier_keys_pressed (ev)) {
 250                         editor.scroll_tracks_up_line ();
 251                 } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::Control)) {
 252                         step_height (true);
 253                 }
 254                 break;
 255
 256         case 5:
 257                 if (Keyboard::no_modifier_keys_pressed (ev)) {
 258                         editor.scroll_tracks_down_line ();
 259                 } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::Control)) {
 260                         step_height (false);
 261                 }
 262                 break;
 263
 264
 265         }
 266
 267         return TRUE;
 268 }
 269
 270 void
 271 TimeAxisView::selection_click (GdkEventButton* ev)
 272 {
 273         if (Keyboard::modifier_state_contains (ev->state, Keyboard::Shift)) {
 274
 275                 if (editor.get_selection().selected (this)) {
 276                         editor.get_selection().remove (this);
 277                 } else {
 278                         editor.get_selection().add (this);
 279                 }
 280
 281         } else {
 282
 283                 editor.get_selection().set (this);
 284         }
 285 }
 286
 287 void
 288 TimeAxisView::hide ()
 289 {
 290         if (_hidden) {
 291                 return;
 292         }
 293
 294         canvas_display->hide();
 295         controls_frame.hide ();
 296
 297         if (control_parent) {
 298                 control_parent->remove (controls_frame);
 299                 control_parent = 0;
 300         }
 301
 302         y_position = -1;
 303         _hidden = true;
 304
 305         /* now hide children */
 306
 307         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 308                 (*i)->hide ();
 309         }
 310
 311         Hiding ();
 312 }
 313
 314 void
 315 TimeAxisView::step_height (bool bigger)
 316 {
 317         switch (height) {
 318         case Largest:
 319                 if (!bigger) set_height (Large);
 320                 break;
 321         case Large:
 322                 if (bigger) set_height (Largest);
 323                 else set_height (Larger);
 324                 break;
 325         case Larger:
 326                 if (bigger) set_height (Large);
 327                 else set_height (Normal);
 328                 break;
 329         case Normal:
 330                 if (bigger) set_height (Larger);
 331                 else set_height (Smaller);
 332                 break;
 333         case Smaller:
 334                 if (bigger) set_height (Normal);
 335                 else set_height (Small);
 336                 break;
 337         case Small:
 338                 if (bigger) set_height (Smaller);
 339                 break;
 340         }
 341 }
 342
 343
 344 void
 345 TimeAxisView::set_height (TrackHeight h)
 346 {
 347         height = (guint32) h;
 348         controls_frame.set_size_request (-1, height);
 349
 350         if (canvas_item_visible (selection_group)) {
 351                 /* resize the selection rect */
 352                 show_selection (editor.get_selection().time);
 353         }
 354
 355 //      for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 356 //              (*i)->set_height (h);
 357 //      }
 358
 359 }
 360
 361 bool
 362 TimeAxisView::name_entry_key_release (GdkEventKey* ev)
 363 {
 364         switch (ev->keyval) {
 365         case GDK_Tab:
 366         case GDK_Up:
 367         case GDK_Down:
 368                 name_entry_changed ();
 369                 return true;
 370
 371         default:
 372                 break;
 373         }
 374
 375 #ifdef TIMEOUT_NAME_EDIT
 376         /* adapt the timeout to reflect the user's typing speed */
 377
 378         guint32 name_entry_timeout;
 379
 380         if (last_name_entry_key_press_event) {
 381                 /* timeout is 1/2 second or 5 times their current inter-char typing speed */
 382                 name_entry_timeout = std::max (500U, (5 * (ev->time - last_name_entry_key_press_event)));
 383         } else {
 384                 /* start with a 1 second timeout */
 385                 name_entry_timeout = 1000;
 386         }
 387
 388         last_name_entry_key_press_event = ev->time;
 389
 390         /* wait 1 seconds and if no more keys are pressed, act as if they pressed enter */
 391
 392         name_entry_key_timeout.disconnect();
 393         name_entry_key_timeout = Glib::signal_timeout().connect (mem_fun (*this, &TimeAxisView::name_entry_key_timed_out), name_entry_timeout);
 394 #endif
 395
 396         return false;
 397 }
 398
 399 bool
 400 TimeAxisView::name_entry_focus_in (GdkEventFocus* ev)
 401 {
 402         name_entry.select_region (0, -1);
 403         name_entry.set_name ("EditorActiveTrackNameDisplay");
 404         return false;
 405 }
 406
 407 bool
 408 TimeAxisView::name_entry_focus_out (GdkEventFocus* ev)
 409 {
 410         /* clean up */
 411
 412         last_name_entry_key_press_event = 0;
 413         name_entry_key_timeout.disconnect ();
 414         name_entry.set_name ("EditorTrackNameDisplay");
 415
 416         /* do the real stuff */
 417
 418         name_entry_changed ();
 419
 420         return false;
 421 }
 422
 423 bool
 424 TimeAxisView::name_entry_key_timed_out ()
 425 {
 426         name_entry_activated();
 427         return false;
 428 }
 429
 430 void
 431 TimeAxisView::name_entry_activated ()
 432 {
 433         controls_ebox.grab_focus();
 434 }
 435
 436 void
 437 TimeAxisView::name_entry_changed ()
 438 {
 439 }
 440
 441 bool
 442 TimeAxisView::name_entry_button_press (GdkEventButton *ev)
 443 {
 444         if (ev->button == 3) {
 445                 return true;
 446         }
 447         return false;
 448 }
 449
 450 bool
 451 TimeAxisView::name_entry_button_release (GdkEventButton *ev)
 452 {
 453         if (ev->button == 3) {
 454                 popup_display_menu (ev->time);
 455                 return true;
 456         }
 457         return false;
 458 }
 459
 460 void
 461 TimeAxisView::popup_display_menu (guint32 when)
 462 {
 463         if (display_menu == 0) {
 464                 build_display_menu ();
 465         }
 466         display_menu->popup (1, when);
 467 }
 468
 469 gint
 470 TimeAxisView::size_click (GdkEventButton *ev)
 471 {
 472         popup_size_menu (ev->time);
 473         return TRUE;
 474 }
 475
 476 void
 477 TimeAxisView::popup_size_menu (guint32 when)
 478 {
 479         if (size_menu == 0) {
 480                 build_size_menu ();
 481         }
 482         size_menu->popup (1, when);
 483 }
 484
 485 void
 486 TimeAxisView::set_selected (bool yn)
 487 {
 488         AxisView::set_selected (yn);
 489
 490         if (_selected) {
 491                 controls_ebox.set_name (controls_base_selected_name);
 492                 controls_frame.set_name (controls_base_selected_name);
 493
 494                 /* propagate any existing selection, if the mode is right */
 495
 496                 if (editor.current_mouse_mode() == Editing::MouseRange && !editor.get_selection().time.empty()) {
 497                         show_selection (editor.get_selection().time);
 498                 }
 499
 500         } else {
 501                 controls_ebox.set_name (controls_base_unselected_name);
 502                 controls_frame.set_name (controls_base_unselected_name);
 503
 504                 hide_selection ();
 505
 506                 /* children will be set for the yn=true case. but when deselecting
 507                    the editor only has a list of top-level trackviews, so we
 508                    have to do this here.
 509                 */
 510
 511                 for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 512                         (*i)->set_selected (false);
 513                 }
 514
 515
 516         }
 517 }
 518
 519 void
 520 TimeAxisView::build_size_menu ()
 521 {
 522         using namespace Menu_Helpers;
 523
 524         size_menu = new Menu;
 525         size_menu->set_name ("ArdourContextMenu");
 526         MenuList& items = size_menu->items();
 527
 528         items.push_back (MenuElem (_("Largest"), bind (mem_fun (*this, &TimeAxisView::set_height), Largest)));
 529         items.push_back (MenuElem (_("Large"), bind (mem_fun (*this, &TimeAxisView::set_height), Large)));
 530         items.push_back (MenuElem (_("Larger"), bind (mem_fun (*this, &TimeAxisView::set_height), Larger)));
 531         items.push_back (MenuElem (_("Normal"), bind (mem_fun (*this, &TimeAxisView::set_height), Normal)));
 532         items.push_back (MenuElem (_("Smaller"), bind (mem_fun (*this, &TimeAxisView::set_height), Smaller)));
 533         items.push_back (MenuElem (_("Small"), bind (mem_fun (*this, &TimeAxisView::set_height), Small)));
 534 }
 535
 536 void
 537 TimeAxisView::build_display_menu ()
 538 {
 539         using namespace Menu_Helpers;
 540
 541         display_menu = new Menu;
 542         display_menu->set_name ("ArdourContextMenu");
 543
 544         // Just let implementing classes define what goes into the manu
 545 }
 546
 547 void
 548 TimeAxisView::set_samples_per_unit (double spu)
 549 {
 550         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 551                 (*i)->set_samples_per_unit (spu);
 552         }
 553 }
 554
 555 void
 556 TimeAxisView::show_timestretch (jack_nframes_t start, jack_nframes_t end)
 557 {
 558         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 559                 (*i)->show_timestretch (start, end);
 560         }
 561 }
 562
 563 void
 564 TimeAxisView::hide_timestretch ()
 565 {
 566         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 567                 (*i)->hide_timestretch ();
 568         }
 569 }
 570
 571 void
 572 TimeAxisView::show_selection (TimeSelection& ts)
 573 {
 574         double x1;
 575         double x2;
 576         double y2;
 577         SelectionRect *rect;
 578
 579         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 580                 (*i)->show_selection (ts);
 581         }
 582
 583         if (canvas_item_visible (selection_group)) {
 584                 while (!used_selection_rects.empty()) {
 585                         free_selection_rects.push_front (used_selection_rects.front());
 586                         used_selection_rects.pop_front();
 587                         free_selection_rects.front()->rect->hide();
 588                         free_selection_rects.front()->start_trim->hide();
 589                         free_selection_rects.front()->end_trim->hide();
 590                 }
 591                 selection_group->hide();
 592         }
 593
 594         selection_group->show();
 595         selection_group->raise_to_top();
 596
 597         for (list<AudioRange>::iterator i = ts.begin(); i != ts.end(); ++i) {
 598                 jack_nframes_t start, end, cnt;
 599
 600                 start = (*i).start;
 601                 end = (*i).end;
 602                 cnt = end - start + 1;
 603
 604                 rect = get_selection_rect ((*i).id);
 605
 606                 x1 = start / editor.get_current_zoom();
 607                 x2 = (start + cnt - 1) / editor.get_current_zoom();
 608                 y2 = height;
 609
 610                 rect->rect->property_x1() = x1;
 611                 rect->rect->property_y1() = 1.0;
 612                 rect->rect->property_x2() = x2;
 613                 rect->rect->property_y2() = y2;
 614
 615                 // trim boxes are at the top for selections
 616
 617                 if (x2 > x1) {
 618                         rect->start_trim->property_x1() = x1;
 619                         rect->start_trim->property_y1() = 1.0;
 620                         rect->start_trim->property_x2() = x1 + trim_handle_size;
 621                         rect->start_trim->property_y2() = 1.0 + trim_handle_size;
 622
 623                         rect->end_trim->property_x1() = x2 - trim_handle_size;
 624                         rect->end_trim->property_y1() = 1.0;
 625                         rect->end_trim->property_x2() = x2;
 626                         rect->end_trim->property_y2() = 1.0 + trim_handle_size;
 627
 628                         rect->start_trim->show();
 629                         rect->end_trim->show();
 630                 } else {
 631                         rect->start_trim->hide();
 632                         rect->end_trim->hide();
 633                 }
 634
 635                 rect->rect->show ();
 636                 used_selection_rects.push_back (rect);
 637         }
 638 }
 639
 640 void
 641 TimeAxisView::reshow_selection (TimeSelection& ts)
 642 {
 643         show_selection (ts);
 644
 645         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 646                 (*i)->show_selection (ts);
 647         }
 648 }
 649
 650 void
 651 TimeAxisView::hide_selection ()
 652 {
 653         if (canvas_item_visible (selection_group)) {
 654                 while (!used_selection_rects.empty()) {
 655                         free_selection_rects.push_front (used_selection_rects.front());
 656                         used_selection_rects.pop_front();
 657                         free_selection_rects.front()->rect->hide();
 658                         free_selection_rects.front()->start_trim->hide();
 659                         free_selection_rects.front()->end_trim->hide();
 660                 }
 661                 selection_group->hide();
 662         }
 663
 664         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 665                 (*i)->hide_selection ();
 666         }
 667 }
 668
 669 void
 670 TimeAxisView::order_selection_trims (ArdourCanvas::Item *item, bool put_start_on_top)
 671 {
 672         /* find the selection rect this is for. we have the item corresponding to one
 673            of the trim handles.
 674          */
 675
 676         for (list<SelectionRect*>::iterator i = used_selection_rects.begin(); i != used_selection_rects.end(); ++i) {
 677                 if ((*i)->start_trim == item || (*i)->end_trim == item) {
 678
 679                         /* make one trim handle be "above" the other so that if they overlap,
 680                            the top one is the one last used.
 681                         */
 682
 683                         (*i)->rect->raise_to_top ();
 684                         (put_start_on_top ? (*i)->start_trim : (*i)->end_trim)->raise_to_top ();
 685                         (put_start_on_top ? (*i)->end_trim : (*i)->start_trim)->raise_to_top ();
 686
 687                         break;
 688                 }
 689         }
 690 }
 691
 692 SelectionRect *
 693 TimeAxisView::get_selection_rect (uint32_t id)
 694 {
 695         SelectionRect *rect;
 696
 697         /* check to see if we already have a visible rect for this particular selection ID */
 698
 699         for (list<SelectionRect*>::iterator i = used_selection_rects.begin(); i != used_selection_rects.end(); ++i) {
 700                 if ((*i)->id == id) {
 701                         return (*i);
 702                 }
 703         }
 704
 705         /* ditto for the free rect list */
 706
 707         for (list<SelectionRect*>::iterator i = free_selection_rects.begin(); i != free_selection_rects.end(); ++i) {
 708                 if ((*i)->id == id) {
 709                         free_selection_rects.erase (i);
 710                         return (*i);
 711                 }
 712         }
 713
 714         /* no existing matching rect, so go get a new one from the free list, or create one if there are none */
 715
 716         if (free_selection_rects.empty()) {
 717
 718                 rect = new SelectionRect;
 719
 720                 rect->rect = new SimpleRect (*selection_group);
 721                 rect->rect->property_x1() = 0.0;
 722                 rect->rect->property_y1() = 0.0;
 723                 rect->rect->property_x2() = 0.0;
 724                 rect->rect->property_y2() = 0.0;
 725                 rect->rect->property_fill_color_rgba() = color_map[cSelectionRectFill];
 726                 rect->rect->property_outline_color_rgba() = color_map[cSelectionRectOutline];
 727
 728                 rect->start_trim = new SimpleRect (*selection_group);
 729                 rect->start_trim->property_x1() = 0.0;
 730                 rect->start_trim->property_x2() = 0.0;
 731                 rect->start_trim->property_fill_color_rgba() = color_map[cSelectionStartFill];
 732                 rect->start_trim->property_outline_color_rgba() = color_map[cSelectionStartOutline];
 733
 734                 rect->end_trim = new SimpleRect (*selection_group);
 735                 rect->end_trim->property_x1() = 0.0;
 736                 rect->end_trim->property_x2() = 0.0;
 737                 rect->end_trim->property_fill_color_rgba() = color_map[cSelectionEndFill];
 738                 rect->end_trim->property_outline_color_rgba() = color_map[cSelectionEndOutline];
 739
 740                 free_selection_rects.push_front (rect);
 741
 742                 rect->rect->signal_event().connect (bind (mem_fun (editor, &PublicEditor::canvas_selection_rect_event), rect->rect, rect));
 743                 rect->start_trim->signal_event().connect (bind (mem_fun (editor, &PublicEditor::canvas_selection_start_trim_event), rect->rect, rect));
 744                 rect->end_trim->signal_event().connect (bind (mem_fun (editor, &PublicEditor::canvas_selection_end_trim_event), rect->rect, rect));
 745         }
 746
 747         rect = free_selection_rects.front();
 748         rect->id = id;
 749         free_selection_rects.pop_front();
 750         return rect;
 751 }
 752
 753 bool
 754 TimeAxisView::is_child (TimeAxisView* tav)
 755 {
 756         return find (children.begin(), children.end(), tav) != children.end();
 757 }
 758
 759 void
 760 TimeAxisView::add_child (TimeAxisView* child)
 761 {
 762         children.push_back (child);
 763 }
 764
 765 void
 766 TimeAxisView::remove_child (TimeAxisView* child)
 767 {
 768         vector<TimeAxisView*>::iterator i;
 769
 770         if ((i = find (children.begin(), children.end(), child)) != children.end()) {
 771                 children.erase (i);
 772         }
 773 }
 774
 775 void
 776 TimeAxisView::get_selectables (jack_nframes_t start, jack_nframes_t end, double top, double bot, list<Selectable*>& result)
 777 {
 778         return;
 779 }
 780
 781 void
 782 TimeAxisView::get_inverted_selectables (Selection& sel, list<Selectable*>& result)
 783 {
 784         return;
 785 }
 786
 787 bool
 788 TimeAxisView::touched (double top, double bot)
 789 {
 790         /* remember: this is X Window - coordinate space starts in upper left and moves down.
 791            y_position is the "origin" or "top" of the track.
 792          */
 793
 794         double mybot = y_position + height; // XXX need to include Editor::track_spacing;
 795
 796         return ((y_position <= bot && y_position >= top) ||
 797                 ((mybot <= bot) && (top < mybot)) ||
 798                 (mybot >= bot && y_position < top));
 799 }
 800
 801 void
 802 TimeAxisView::set_parent (TimeAxisView& p)
 803 {
 804         parent = &p;
 805 }
 806
 807 bool
 808 TimeAxisView::has_state () const
 809 {
 810         return _has_state;
 811 }
 812
 813 TimeAxisView*
 814 TimeAxisView::get_parent_with_state ()
 815 {
 816         if (parent == 0) {
 817                 return 0;
 818         }
 819
 820         if (parent->has_state()) {
 821                 return parent;
 822         }
 823
 824         return parent->get_parent_with_state ();
 825 }
 826
 827 void
 828 TimeAxisView::set_state (const XMLNode& node)
 829 {
 830         const XMLProperty *prop;
 831
 832         if ((prop = node.property ("track_height")) != 0) {
 833
 834                 if (prop->value() == "largest") {
 835                         set_height (Largest);
 836                 } else if (prop->value() == "large") {
 837                         set_height (Large);
 838                 } else if (prop->value() == "larger") {
 839                         set_height (Larger);
 840                 } else if (prop->value() == "normal") {
 841                         set_height (Normal);
 842                 } else if (prop->value() == "smaller") {
 843                         set_height (Smaller);
 844                 } else if (prop->value() == "small") {
 845                         set_height (Small);
 846                 } else {
 847                         error << string_compose(_("unknown track height name \"%1\" in XML GUI information"), prop->value()) << endmsg;
 848                         set_height (Normal);
 849                 }
 850
 851         } else {
 852                 set_height (Normal);
 853         }
 854 }
 855
 856 void
 857 TimeAxisView::reset_height()
 858 {
 859         set_height ((TrackHeight) height);
 860
 861         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 862                 (*i)->set_height ((TrackHeight)(*i)->height);
 863         }
 864 }
 865