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
  51 #include "i18n.h"
  52
  53 using namespace Gtk;
  54 using namespace sigc;
  55 using namespace ARDOUR;
  56 using namespace Editing;
  57 using namespace ArdourCanvas;
  58
  59 const double trim_handle_size = 6.0; /* pixels */
  60
  61 TimeAxisView::TimeAxisView (ARDOUR::Session& sess, PublicEditor& ed, TimeAxisView* rent, Canvas& canvas)
  62         : AxisView (sess),
  63           editor (ed),
  64           controls_table (2, 9)
  65 {
  66         canvas_display = new Group (*canvas.root(), 0.0, 0.0);
  67
  68         selection_group = new Group (*canvas_display);
  69         selection_group->hide();
  70
  71         control_parent = 0;
  72         display_menu = 0;
  73         size_menu = 0;
  74         _marked_for_display = false;
  75         _hidden = false;
  76         height = 0;
  77         effective_height = 0;
  78         parent = rent;
  79         _has_state = false;
  80
  81         /*
  82           Create the standard LHS Controls
  83           We create the top-level container and name add the name label here,
  84           subclasses can add to the layout as required
  85         */
  86
  87         name_entry.set_name ("EditorTrackNameDisplay");
  88         name_entry.signal_button_release_event().connect (mem_fun (*this, &TimeAxisView::name_entry_button_release));
  89         name_entry.signal_button_press_event().connect (mem_fun (*this, &TimeAxisView::name_entry_button_press));
  90
  91         Gtkmm2ext::set_size_request_to_display_given_text (name_entry, N_("gTortnam"), 10, 10); // just represents a short name
  92
  93         name_label.set_name ("TrackLabel");
  94         name_label.set_alignment (0.0, 0.5);
  95
  96         // name_hbox.set_border_width (2);
  97         // name_hbox.set_spacing (5);
  98
  99         /* typically, either name_label OR name_entry are visible,
 100            but not both. its up to derived classes to show/hide them as they
 101            wish.
 102         */
 103
 104         name_hbox.pack_start (name_label, true, true);
 105         name_hbox.pack_start (name_entry, true, true);
 106         name_hbox.show ();
 107
 108         controls_table.set_border_width (2);
 109         controls_table.set_row_spacings (0);
 110         controls_table.set_col_spacings (0);
 111         controls_table.set_homogeneous (true);
 112         controls_table.show ();
 113
 114         controls_table.attach (name_hbox, 0, 5, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
 115
 116         controls_table.show ();
 117
 118         controls_vbox.pack_start (controls_table, false, false);
 119         controls_vbox.show ();
 120
 121         controls_ebox.set_name ("TimeAxisViewControlsBaseUnselected");
 122         controls_ebox.add (controls_vbox);
 123         controls_ebox.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 124         controls_ebox.set_flags (Gtk::CAN_FOCUS);
 125
 126         controls_ebox.signal_button_release_event().connect (mem_fun (*this, &TimeAxisView::controls_ebox_button_release));
 127
 128         controls_lhs_pad.set_name ("TimeAxisViewControlsPadding");
 129         controls_hbox.pack_start (controls_lhs_pad,false,false);
 130         controls_hbox.pack_start (controls_ebox,true,true);
 131         controls_hbox.show ();
 132
 133         controls_frame.add (controls_hbox);
 134         controls_frame.set_name ("TimeAxisViewControlsBaseUnselected");
 135         controls_frame.set_shadow_type (Gtk::SHADOW_OUT);
 136 }
 137
 138 TimeAxisView::~TimeAxisView()
 139 {
 140         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 141                 delete *i;
 142         }
 143
 144         for (list<SelectionRect*>::iterator i = free_selection_rects.begin(); i != free_selection_rects.end(); ++i) {
 145                 gtk_object_destroy (GTK_OBJECT((*i)->rect));
 146                 gtk_object_destroy (GTK_OBJECT((*i)->start_trim));
 147                 gtk_object_destroy (GTK_OBJECT((*i)->end_trim));
 148         }
 149
 150         for (list<SelectionRect*>::iterator i = used_selection_rects.begin(); i != used_selection_rects.end(); ++i) {
 151                 gtk_object_destroy (GTK_OBJECT((*i)->rect));
 152                 gtk_object_destroy (GTK_OBJECT((*i)->start_trim));
 153                 gtk_object_destroy (GTK_OBJECT((*i)->end_trim));
 154         }
 155
 156         if (selection_group) {
 157                 delete selection_group;
 158                 selection_group = 0;
 159         }
 160
 161         if (canvas_display) {
 162                 delete canvas_display;
 163                 canvas_display = 0;
 164         }
 165
 166         if (display_menu) {
 167                 delete display_menu;
 168                 display_menu = 0;
 169         }
 170
 171         if (size_menu) {
 172                 delete size_menu;
 173                 size_menu = 0;
 174         }
 175 }
 176
 177 guint32
 178 TimeAxisView::show_at (double y, int& nth, VBox *parent)
 179 {
 180         gdouble ix1, ix2, iy1, iy2;
 181         effective_height = 0;
 182
 183         if (control_parent) {
 184                 control_parent->reorder_child (controls_frame, nth);
 185         } else {
 186                 control_parent = parent;
 187                 parent->pack_start (controls_frame, false, false);
 188                 parent->reorder_child (controls_frame, nth);
 189         }
 190
 191         controls_frame.show ();
 192         controls_ebox.show ();
 193
 194         /* the coordinates used here are in the system of the
 195            item's parent ...
 196         */
 197
 198         canvas_display->get_bounds (ix1, iy1, ix2, iy2);
 199         Group* pg = canvas_display->property_parent();
 200         pg->i2w (ix1, iy1);
 201
 202         if (iy1 < 0) {
 203                 iy1 = 0;
 204         }
 205
 206         canvas_display->move (0.0, y - iy1);
 207         canvas_display->show();/* XXX not necessary */
 208         y_position = y;
 209         order = nth;
 210         _hidden = false;
 211
 212         effective_height = height;
 213
 214         /* now show children */
 215
 216         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 217
 218                 if ((*i)->marked_for_display()) {
 219                         (*i)->canvas_display->show();
 220                 }
 221
 222                 if (GTK_OBJECT_FLAGS(GTK_OBJECT((*i)->canvas_display)) & GNOME_CANVAS_ITEM_VISIBLE) {
 223                         ++nth;
 224                         effective_height += (*i)->show_at (y + effective_height, nth, parent);
 225                 }
 226         }
 227
 228         return effective_height;
 229 }
 230
 231 gint
 232 TimeAxisView::controls_ebox_button_release (GdkEventButton* ev)
 233 {
 234         switch (ev->button) {
 235         case 1:
 236                 selection_click (ev);
 237                 break;
 238
 239         case 3:
 240                 popup_display_menu (ev->time);
 241                 break;
 242
 243         case 4:
 244                 if (Keyboard::no_modifier_keys_pressed (ev)) {
 245                         editor.scroll_tracks_up_line ();
 246                 } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::Control)) {
 247                         step_height (true);
 248                 }
 249                 break;
 250
 251         case 5:
 252                 if (Keyboard::no_modifier_keys_pressed (ev)) {
 253                         editor.scroll_tracks_down_line ();
 254                 } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::Control)) {
 255                         step_height (false);
 256                 }
 257                 break;
 258
 259
 260         }
 261
 262         return TRUE;
 263 }
 264
 265 void
 266 TimeAxisView::selection_click (GdkEventButton* ev)
 267 {
 268         if (Keyboard::modifier_state_contains (ev->state, Keyboard::Shift)) {
 269
 270                 if (editor.get_selection().selected (this)) {
 271                         editor.get_selection().remove (this);
 272                 } else {
 273                         editor.get_selection().add (this);
 274                 }
 275
 276         } else {
 277
 278                 editor.get_selection().set (this);
 279         }
 280 }
 281
 282 void
 283 TimeAxisView::hide ()
 284 {
 285         if (_hidden) {
 286                 return;
 287         }
 288
 289         canvas_display->hide();
 290         controls_frame.hide ();
 291
 292         if (control_parent) {
 293                 control_parent->remove (controls_frame);
 294                 control_parent = 0;
 295         }
 296
 297         y_position = -1;
 298         _hidden = true;
 299
 300         /* now hide children */
 301
 302         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 303                 (*i)->hide ();
 304         }
 305
 306         Hiding ();
 307 }
 308
 309 void
 310 TimeAxisView::step_height (bool bigger)
 311 {
 312         switch (height) {
 313         case Largest:
 314                 if (!bigger) set_height (Large);
 315                 break;
 316         case Large:
 317                 if (bigger) set_height (Largest);
 318                 else set_height (Larger);
 319                 break;
 320         case Larger:
 321                 if (bigger) set_height (Large);
 322                 else set_height (Normal);
 323                 break;
 324         case Normal:
 325                 if (bigger) set_height (Larger);
 326                 else set_height (Smaller);
 327                 break;
 328         case Smaller:
 329                 if (bigger) set_height (Normal);
 330                 else set_height (Small);
 331                 break;
 332         case Small:
 333                 if (bigger) set_height (Smaller);
 334                 break;
 335         }
 336 }
 337
 338
 339 void
 340 TimeAxisView::set_height (TrackHeight h)
 341 {
 342         height = (guint32) h;
 343         controls_frame.set_size_request (-1, height);
 344
 345         if (GTK_OBJECT_FLAGS(GTK_OBJECT(selection_group)) & GNOME_CANVAS_ITEM_VISIBLE) {
 346                 /* resize the selection rect */
 347                 show_selection (editor.get_selection().time);
 348         }
 349
 350 //      for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 351 //              (*i)->set_height (h);
 352 //      }
 353
 354 }
 355
 356 bool
 357 TimeAxisView::name_entry_button_press (GdkEventButton *ev)
 358 {
 359         if (ev->button == 3) {
 360                 return true;
 361         }
 362         return false;
 363 }
 364
 365 bool
 366 TimeAxisView::name_entry_button_release (GdkEventButton *ev)
 367 {
 368         if (ev->button == 3) {
 369                 popup_display_menu (ev->time);
 370                 return true;
 371         }
 372         return false;
 373 }
 374
 375 void
 376 TimeAxisView::popup_display_menu (guint32 when)
 377 {
 378         if (display_menu == 0) {
 379                 build_display_menu ();
 380         }
 381         display_menu->popup (1, when);
 382 }
 383
 384 gint
 385 TimeAxisView::size_click (GdkEventButton *ev)
 386 {
 387         popup_size_menu (ev->time);
 388         return TRUE;
 389 }
 390
 391 void
 392 TimeAxisView::popup_size_menu (guint32 when)
 393 {
 394         if (size_menu == 0) {
 395                 build_size_menu ();
 396         }
 397         size_menu->popup (1, when);
 398 }
 399
 400 void
 401 TimeAxisView::set_selected (bool yn)
 402 {
 403         AxisView::set_selected (yn);
 404
 405         if (_selected) {
 406                 controls_ebox.set_name (controls_base_selected_name);
 407                 controls_frame.set_name (controls_base_selected_name);
 408
 409                 /* propagate any existing selection, if the mode is right */
 410
 411                 if (editor.current_mouse_mode() == Editing::MouseRange && !editor.get_selection().time.empty()) {
 412                         show_selection (editor.get_selection().time);
 413                 }
 414
 415         } else {
 416                 controls_ebox.set_name (controls_base_unselected_name);
 417                 controls_frame.set_name (controls_base_unselected_name);
 418
 419                 hide_selection ();
 420
 421                 /* children will be set for the yn=true case. but when deselecting
 422                    the editor only has a list of top-level trackviews, so we
 423                    have to do this here.
 424                 */
 425
 426                 for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 427                         (*i)->set_selected (false);
 428                 }
 429
 430
 431         }
 432 }
 433
 434 void
 435 TimeAxisView::build_size_menu ()
 436 {
 437         using namespace Menu_Helpers;
 438
 439         size_menu = new Menu;
 440         size_menu->set_name ("ArdourContextMenu");
 441         MenuList& items = size_menu->items();
 442
 443         items.push_back (MenuElem (_("Largest"), bind (mem_fun (*this, &TimeAxisView::set_height), Largest)));
 444         items.push_back (MenuElem (_("Large"), bind (mem_fun (*this, &TimeAxisView::set_height), Large)));
 445         items.push_back (MenuElem (_("Larger"), bind (mem_fun (*this, &TimeAxisView::set_height), Larger)));
 446         items.push_back (MenuElem (_("Normal"), bind (mem_fun (*this, &TimeAxisView::set_height), Normal)));
 447         items.push_back (MenuElem (_("Smaller"), bind (mem_fun (*this, &TimeAxisView::set_height), Smaller)));
 448         items.push_back (MenuElem (_("Small"), bind (mem_fun (*this, &TimeAxisView::set_height), Small)));
 449 }
 450
 451 void
 452 TimeAxisView::build_display_menu ()
 453 {
 454         using namespace Menu_Helpers;
 455
 456         display_menu = new Menu;
 457         display_menu->set_name ("ArdourContextMenu");
 458
 459         // Just let implementing classes define what goes into the manu
 460 }
 461
 462 void
 463 TimeAxisView::set_samples_per_unit (double spu)
 464 {
 465         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 466                 (*i)->set_samples_per_unit (spu);
 467         }
 468 }
 469
 470 void
 471 TimeAxisView::show_timestretch (jack_nframes_t start, jack_nframes_t end)
 472 {
 473         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 474                 (*i)->show_timestretch (start, end);
 475         }
 476 }
 477
 478 void
 479 TimeAxisView::hide_timestretch ()
 480 {
 481         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 482                 (*i)->hide_timestretch ();
 483         }
 484 }
 485
 486 void
 487 TimeAxisView::show_selection (TimeSelection& ts)
 488 {
 489         double x1;
 490         double x2;
 491         double y2;
 492         SelectionRect *rect;
 493
 494         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 495                 (*i)->show_selection (ts);
 496         }
 497
 498         if (GTK_OBJECT_FLAGS(GTK_OBJECT(selection_group)) & GNOME_CANVAS_ITEM_VISIBLE) {
 499                 while (!used_selection_rects.empty()) {
 500                         free_selection_rects.push_front (used_selection_rects.front());
 501                         used_selection_rects.pop_front();
 502                         free_selection_rects.front()->rect->hide();
 503                         free_selection_rects.front()->start_trim->hide();
 504                         free_selection_rects.front()->end_trim->hide();
 505                 }
 506                 selection_group->hide();
 507         }
 508
 509         selection_group->show();
 510         selection_group->raise_to_top();
 511
 512         for (list<AudioRange>::iterator i = ts.begin(); i != ts.end(); ++i) {
 513                 jack_nframes_t start, end, cnt;
 514
 515                 start = (*i).start;
 516                 end = (*i).end;
 517                 cnt = end - start + 1;
 518
 519                 rect = get_selection_rect ((*i).id);
 520
 521                 x1 = start / editor.get_current_zoom();
 522                 x2 = (start + cnt - 1) / editor.get_current_zoom();
 523                 y2 = height;
 524
 525                 gtk_object_set (GTK_OBJECT(rect->rect),
 526                                 "x1", x1,
 527                                 "y1", 1.0,
 528                                 "x2", x2,
 529                                 "y2", y2,
 530                                 NULL);
 531
 532                 // trim boxes are at the top for selections
 533
 534                 if (x2 > x1) {
 535                         gtk_object_set (GTK_OBJECT(rect->start_trim),
 536                                         "x1", x1,
 537                                         "y1", 1.0,
 538                                         "x2", x1 + trim_handle_size,
 539                                         "y2", 1.0 + trim_handle_size,
 540                                         NULL);
 541                         gtk_object_set (GTK_OBJECT(rect->end_trim),
 542                                         "x1", x2 - trim_handle_size,
 543                                         "y1", 1.0,
 544                                         "x2", x2,
 545                                         "y2", 1.0 + trim_handle_size,
 546                                         NULL);
 547                         rect->start_trim->show();
 548                         rect->end_trim->show();
 549                 } else {
 550                         rect->start_trim->hide();
 551                         rect->end_trim->hide();
 552                 }
 553
 554                 rect->rect->show ();
 555                 used_selection_rects.push_back (rect);
 556         }
 557 }
 558
 559 void
 560 TimeAxisView::reshow_selection (TimeSelection& ts)
 561 {
 562         show_selection (ts);
 563
 564         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 565                 (*i)->show_selection (ts);
 566         }
 567 }
 568
 569 void
 570 TimeAxisView::hide_selection ()
 571 {
 572         if (GTK_OBJECT_FLAGS(GTK_OBJECT(selection_group)) & GNOME_CANVAS_ITEM_VISIBLE) {
 573                 while (!used_selection_rects.empty()) {
 574                         free_selection_rects.push_front (used_selection_rects.front());
 575                         used_selection_rects.pop_front();
 576                         free_selection_rects.front()->rect->hide();
 577                         free_selection_rects.front()->start_trim->hide();
 578                         free_selection_rects.front()->end_trim->hide();
 579                 }
 580                 selection_group->hide();
 581         }
 582
 583         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 584                 (*i)->hide_selection ();
 585         }
 586 }
 587
 588 void
 589 TimeAxisView::order_selection_trims (ArdourCanvas::Item *item, bool put_start_on_top)
 590 {
 591         /* find the selection rect this is for. we have the item corresponding to one
 592            of the trim handles.
 593          */
 594
 595         for (list<SelectionRect*>::iterator i = used_selection_rects.begin(); i != used_selection_rects.end(); ++i) {
 596                 if ((*i)->start_trim == item || (*i)->end_trim == item) {
 597
 598                         /* make one trim handle be "above" the other so that if they overlap,
 599                            the top one is the one last used.
 600                         */
 601
 602                         (*i)->rect->raise_to_top ();
 603                         (put_start_on_top ? (*i)->start_trim : (*i)->end_trim)->raise_to_top ();
 604                         (put_start_on_top ? (*i)->end_trim : (*i)->start_trim)->raise_to_top ();
 605
 606                         break;
 607                 }
 608         }
 609 }
 610
 611 SelectionRect *
 612 TimeAxisView::get_selection_rect (uint32_t id)
 613 {
 614         SelectionRect *rect;
 615
 616         /* check to see if we already have a visible rect for this particular selection ID */
 617
 618         for (list<SelectionRect*>::iterator i = used_selection_rects.begin(); i != used_selection_rects.end(); ++i) {
 619                 if ((*i)->id == id) {
 620                         return (*i);
 621                 }
 622         }
 623
 624         /* ditto for the free rect list */
 625
 626         for (list<SelectionRect*>::iterator i = free_selection_rects.begin(); i != free_selection_rects.end(); ++i) {
 627                 if ((*i)->id == id) {
 628                         free_selection_rects.erase (i);
 629                         return (*i);
 630                 }
 631         }
 632
 633         /* no existing matching rect, so go get a new one from the free list, or create one if there are none */
 634
 635         if (free_selection_rects.empty()) {
 636
 637                 rect = new SelectionRect;
 638
 639                 rect->rect = new SimpleRect (*selection_group);
 640                 rect->rect->property_x1() = 0.0;
 641                 rect->rect->property_y1() = 0.0;
 642                 rect->rect->property_x2() = 0.0;
 643                 rect->rect->property_y2() = 0.0;
 644                 rect->rect->property_fill_color_rgba() = color_map[cSelectionRectFill];
 645                 rect->rect->property_outline_color_rgba() = color_map[cSelectionRectOutline];
 646
 647                 rect->start_trim = new SimpleRect (*selection_group);
 648                 rect->start_trim->property_x1() = 0.0;
 649                 rect->start_trim->property_x2() = 0.0;
 650                 rect->start_trim->property_fill_color_rgba() = color_map[cSelectionStartFill];
 651                 rect->start_trim->property_outline_color_rgba() = color_map[cSelectionStartOutline];
 652
 653                 rect->end_trim = new SimpleRect (*selection_group);
 654                 rect->end_trim->property_x1() = 0.0;
 655                 rect->end_trim->property_x2() = 0.0;
 656                 rect->end_trim->property_fill_color_rgba() = color_map[cSelectionEndFill];
 657                 rect->end_trim->property_outline_color_rgba() = color_map[cSelectionEndOutline];
 658
 659                 free_selection_rects.push_front (rect);
 660
 661                 rect->rect->signal_event().connect (bind (mem_fun (editor, &PublicEditor::canvas_selection_rect_event), rect->rect, rect));
 662                 rect->start_trim->signal_event().connect (bind (mem_fun (editor, &PublicEditor::canvas_selection_start_trim_event), rect->rect, rect));
 663                 rect->end_trim->signal_event().connect (bind (mem_fun (editor, &PublicEditor::canvas_selection_end_trim_event), rect->rect, rect));
 664         }
 665
 666         rect = free_selection_rects.front();
 667         rect->id = id;
 668         free_selection_rects.pop_front();
 669         return rect;
 670 }
 671
 672 bool
 673 TimeAxisView::is_child (TimeAxisView* tav)
 674 {
 675         return find (children.begin(), children.end(), tav) != children.end();
 676 }
 677
 678 void
 679 TimeAxisView::add_child (TimeAxisView* child)
 680 {
 681         children.push_back (child);
 682 }
 683
 684 void
 685 TimeAxisView::remove_child (TimeAxisView* child)
 686 {
 687         vector<TimeAxisView*>::iterator i;
 688
 689         if ((i = find (children.begin(), children.end(), child)) != children.end()) {
 690                 children.erase (i);
 691         }
 692 }
 693
 694 void
 695 TimeAxisView::get_selectables (jack_nframes_t start, jack_nframes_t end, double top, double bot, list<Selectable*>& result)
 696 {
 697         return;
 698 }
 699
 700 void
 701 TimeAxisView::get_inverted_selectables (Selection& sel, list<Selectable*>& result)
 702 {
 703         return;
 704 }
 705
 706 bool
 707 TimeAxisView::touched (double top, double bot)
 708 {
 709         /* remember: this is X Window - coordinate space starts in upper left and moves down.
 710            y_position is the "origin" or "top" of the track.
 711          */
 712
 713         double mybot = y_position + height; // XXX need to include Editor::track_spacing;
 714
 715         return ((y_position <= bot && y_position >= top) ||
 716                 ((mybot <= bot) && (top < mybot)) ||
 717                 (mybot >= bot && y_position < top));
 718 }
 719
 720 void
 721 TimeAxisView::set_parent (TimeAxisView& p)
 722 {
 723         parent = &p;
 724 }
 725
 726 bool
 727 TimeAxisView::has_state () const
 728 {
 729         return _has_state;
 730 }
 731
 732 TimeAxisView*
 733 TimeAxisView::get_parent_with_state ()
 734 {
 735         if (parent == 0) {
 736                 return 0;
 737         }
 738
 739         if (parent->has_state()) {
 740                 return parent;
 741         }
 742
 743         return parent->get_parent_with_state ();
 744 }
 745
 746 void
 747 TimeAxisView::set_state (const XMLNode& node)
 748 {
 749         const XMLProperty *prop;
 750
 751         if ((prop = node.property ("track_height")) != 0) {
 752
 753                 if (prop->value() == "largest") {
 754                         set_height (Largest);
 755                 } else if (prop->value() == "large") {
 756                         set_height (Large);
 757                 } else if (prop->value() == "larger") {
 758                         set_height (Larger);
 759                 } else if (prop->value() == "normal") {
 760                         set_height (Normal);
 761                 } else if (prop->value() == "smaller") {
 762                         set_height (Smaller);
 763                 } else if (prop->value() == "small") {
 764                         set_height (Small);
 765                 } else {
 766                         error << string_compose(_("unknown track height name \"%1\" in XML GUI information"), prop->value()) << endmsg;
 767                         set_height (Normal);
 768                 }
 769
 770         } else {
 771                 set_height (Normal);
 772         }
 773 }
 774
 775 void
 776 TimeAxisView::reset_height()
 777 {
 778         set_height ((TrackHeight) height);
 779
 780         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 781                 (*i)->set_height ((TrackHeight)(*i)->height);
 782         }
 783 }
 784