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         name_entry.signal_focus_in_event().connect (sigc::ptr_fun (ARDOUR_UI::generic_focus_in_event));
  92         name_entry.signal_focus_out_event().connect (sigc::ptr_fun (ARDOUR_UI::generic_focus_out_event));
  93
  94         Gtkmm2ext::set_size_request_to_display_given_text (name_entry, N_("gTortnam"), 10, 10); // just represents a short name
  95
  96         name_label.set_name ("TrackLabel");
  97         name_label.set_alignment (0.0, 0.5);
  98
  99         // name_hbox.set_border_width (2);
 100         // name_hbox.set_spacing (5);
 101
 102         /* typically, either name_label OR name_entry are visible,
 103            but not both. its up to derived classes to show/hide them as they
 104            wish.
 105         */
 106
 107         name_hbox.pack_start (name_label, true, true);
 108         name_hbox.pack_start (name_entry, true, true);
 109         name_hbox.show ();
 110
 111         controls_table.set_border_width (2);
 112         controls_table.set_row_spacings (0);
 113         controls_table.set_col_spacings (0);
 114         controls_table.set_homogeneous (true);
 115         controls_table.show ();
 116
 117         controls_table.attach (name_hbox, 0, 5, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
 118
 119         controls_table.show ();
 120
 121         controls_vbox.pack_start (controls_table, false, false);
 122         controls_vbox.show ();
 123
 124         controls_ebox.set_name ("TimeAxisViewControlsBaseUnselected");
 125         controls_ebox.add (controls_vbox);
 126         controls_ebox.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 127         controls_ebox.set_flags (Gtk::CAN_FOCUS);
 128
 129         controls_ebox.signal_button_release_event().connect (mem_fun (*this, &TimeAxisView::controls_ebox_button_release));
 130
 131         controls_lhs_pad.set_name ("TimeAxisViewControlsPadding");
 132         controls_hbox.pack_start (controls_lhs_pad,false,false);
 133         controls_hbox.pack_start (controls_ebox,true,true);
 134         controls_hbox.show ();
 135
 136         controls_frame.add (controls_hbox);
 137         controls_frame.set_name ("TimeAxisViewControlsBaseUnselected");
 138         controls_frame.set_shadow_type (Gtk::SHADOW_OUT);
 139 }
 140
 141 TimeAxisView::~TimeAxisView()
 142 {
 143         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 144                 delete *i;
 145         }
 146
 147         for (list<SelectionRect*>::iterator i = free_selection_rects.begin(); i != free_selection_rects.end(); ++i) {
 148                 gtk_object_destroy (GTK_OBJECT((*i)->rect));
 149                 gtk_object_destroy (GTK_OBJECT((*i)->start_trim));
 150                 gtk_object_destroy (GTK_OBJECT((*i)->end_trim));
 151         }
 152
 153         for (list<SelectionRect*>::iterator i = used_selection_rects.begin(); i != used_selection_rects.end(); ++i) {
 154                 gtk_object_destroy (GTK_OBJECT((*i)->rect));
 155                 gtk_object_destroy (GTK_OBJECT((*i)->start_trim));
 156                 gtk_object_destroy (GTK_OBJECT((*i)->end_trim));
 157         }
 158
 159         if (selection_group) {
 160                 delete selection_group;
 161                 selection_group = 0;
 162         }
 163
 164         if (canvas_display) {
 165                 delete canvas_display;
 166                 canvas_display = 0;
 167         }
 168
 169         if (display_menu) {
 170                 delete display_menu;
 171                 display_menu = 0;
 172         }
 173
 174         if (size_menu) {
 175                 delete size_menu;
 176                 size_menu = 0;
 177         }
 178 }
 179
 180 guint32
 181 TimeAxisView::show_at (double y, int& nth, VBox *parent)
 182 {
 183         gdouble ix1, ix2, iy1, iy2;
 184         effective_height = 0;
 185
 186         if (control_parent) {
 187                 control_parent->reorder_child (controls_frame, nth);
 188         } else {
 189                 control_parent = parent;
 190                 parent->pack_start (controls_frame, false, false);
 191                 parent->reorder_child (controls_frame, nth);
 192         }
 193
 194         controls_frame.show ();
 195         controls_ebox.show ();
 196
 197         /* the coordinates used here are in the system of the
 198            item's parent ...
 199         */
 200
 201         canvas_display->get_bounds (ix1, iy1, ix2, iy2);
 202         Group* pg = canvas_display->property_parent();
 203         pg->i2w (ix1, iy1);
 204
 205         if (iy1 < 0) {
 206                 iy1 = 0;
 207         }
 208
 209         canvas_display->move (0.0, y - iy1);
 210         canvas_display->show();/* XXX not necessary */
 211         y_position = y;
 212         order = nth;
 213         _hidden = false;
 214
 215         effective_height = height;
 216
 217         /* now show children */
 218
 219         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 220
 221                 if ((*i)->marked_for_display()) {
 222                         (*i)->canvas_display->show();
 223                 }
 224
 225                 if (GTK_OBJECT_FLAGS(GTK_OBJECT((*i)->canvas_display)) & GNOME_CANVAS_ITEM_VISIBLE) {
 226                         ++nth;
 227                         effective_height += (*i)->show_at (y + effective_height, nth, parent);
 228                 }
 229         }
 230
 231         return effective_height;
 232 }
 233
 234 gint
 235 TimeAxisView::controls_ebox_button_release (GdkEventButton* ev)
 236 {
 237         switch (ev->button) {
 238         case 1:
 239                 selection_click (ev);
 240                 break;
 241
 242         case 3:
 243                 popup_display_menu (ev->time);
 244                 break;
 245
 246         case 4:
 247                 if (Keyboard::no_modifier_keys_pressed (ev)) {
 248                         editor.scroll_tracks_up_line ();
 249                 } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::Control)) {
 250                         step_height (true);
 251                 }
 252                 break;
 253
 254         case 5:
 255                 if (Keyboard::no_modifier_keys_pressed (ev)) {
 256                         editor.scroll_tracks_down_line ();
 257                 } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::Control)) {
 258                         step_height (false);
 259                 }
 260                 break;
 261
 262
 263         }
 264
 265         return TRUE;
 266 }
 267
 268 void
 269 TimeAxisView::selection_click (GdkEventButton* ev)
 270 {
 271         if (Keyboard::modifier_state_contains (ev->state, Keyboard::Shift)) {
 272
 273                 if (editor.get_selection().selected (this)) {
 274                         editor.get_selection().remove (this);
 275                 } else {
 276                         editor.get_selection().add (this);
 277                 }
 278
 279         } else {
 280
 281                 editor.get_selection().set (this);
 282         }
 283 }
 284
 285 void
 286 TimeAxisView::hide ()
 287 {
 288         if (_hidden) {
 289                 return;
 290         }
 291
 292         canvas_display->hide();
 293         controls_frame.hide ();
 294
 295         if (control_parent) {
 296                 control_parent->remove (controls_frame);
 297                 control_parent = 0;
 298         }
 299
 300         y_position = -1;
 301         _hidden = true;
 302
 303         /* now hide children */
 304
 305         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 306                 (*i)->hide ();
 307         }
 308
 309         Hiding ();
 310 }
 311
 312 void
 313 TimeAxisView::step_height (bool bigger)
 314 {
 315         switch (height) {
 316         case Largest:
 317                 if (!bigger) set_height (Large);
 318                 break;
 319         case Large:
 320                 if (bigger) set_height (Largest);
 321                 else set_height (Larger);
 322                 break;
 323         case Larger:
 324                 if (bigger) set_height (Large);
 325                 else set_height (Normal);
 326                 break;
 327         case Normal:
 328                 if (bigger) set_height (Larger);
 329                 else set_height (Smaller);
 330                 break;
 331         case Smaller:
 332                 if (bigger) set_height (Normal);
 333                 else set_height (Small);
 334                 break;
 335         case Small:
 336                 if (bigger) set_height (Smaller);
 337                 break;
 338         }
 339 }
 340
 341
 342 void
 343 TimeAxisView::set_height (TrackHeight h)
 344 {
 345         height = (guint32) h;
 346         controls_frame.set_size_request (-1, height);
 347
 348         if (GTK_OBJECT_FLAGS(GTK_OBJECT(selection_group)) & GNOME_CANVAS_ITEM_VISIBLE) {
 349                 /* resize the selection rect */
 350                 show_selection (editor.get_selection().time);
 351         }
 352
 353 //      for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 354 //              (*i)->set_height (h);
 355 //      }
 356
 357 }
 358
 359 bool
 360 TimeAxisView::name_entry_button_press (GdkEventButton *ev)
 361 {
 362         if (ev->button == 3) {
 363                 return true;
 364         }
 365         return false;
 366 }
 367
 368 bool
 369 TimeAxisView::name_entry_button_release (GdkEventButton *ev)
 370 {
 371         if (ev->button == 3) {
 372                 popup_display_menu (ev->time);
 373                 return true;
 374         }
 375         return false;
 376 }
 377
 378 void
 379 TimeAxisView::popup_display_menu (guint32 when)
 380 {
 381         if (display_menu == 0) {
 382                 build_display_menu ();
 383         }
 384         display_menu->popup (1, when);
 385 }
 386
 387 gint
 388 TimeAxisView::size_click (GdkEventButton *ev)
 389 {
 390         popup_size_menu (ev->time);
 391         return TRUE;
 392 }
 393
 394 void
 395 TimeAxisView::popup_size_menu (guint32 when)
 396 {
 397         if (size_menu == 0) {
 398                 build_size_menu ();
 399         }
 400         size_menu->popup (1, when);
 401 }
 402
 403 void
 404 TimeAxisView::set_selected (bool yn)
 405 {
 406         AxisView::set_selected (yn);
 407
 408         if (_selected) {
 409                 controls_ebox.set_name (controls_base_selected_name);
 410                 controls_frame.set_name (controls_base_selected_name);
 411
 412                 /* propagate any existing selection, if the mode is right */
 413
 414                 if (editor.current_mouse_mode() == Editing::MouseRange && !editor.get_selection().time.empty()) {
 415                         show_selection (editor.get_selection().time);
 416                 }
 417
 418         } else {
 419                 controls_ebox.set_name (controls_base_unselected_name);
 420                 controls_frame.set_name (controls_base_unselected_name);
 421
 422                 hide_selection ();
 423
 424                 /* children will be set for the yn=true case. but when deselecting
 425                    the editor only has a list of top-level trackviews, so we
 426                    have to do this here.
 427                 */
 428
 429                 for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 430                         (*i)->set_selected (false);
 431                 }
 432
 433
 434         }
 435 }
 436
 437 void
 438 TimeAxisView::build_size_menu ()
 439 {
 440         using namespace Menu_Helpers;
 441
 442         size_menu = new Menu;
 443         size_menu->set_name ("ArdourContextMenu");
 444         MenuList& items = size_menu->items();
 445
 446         items.push_back (MenuElem (_("Largest"), bind (mem_fun (*this, &TimeAxisView::set_height), Largest)));
 447         items.push_back (MenuElem (_("Large"), bind (mem_fun (*this, &TimeAxisView::set_height), Large)));
 448         items.push_back (MenuElem (_("Larger"), bind (mem_fun (*this, &TimeAxisView::set_height), Larger)));
 449         items.push_back (MenuElem (_("Normal"), bind (mem_fun (*this, &TimeAxisView::set_height), Normal)));
 450         items.push_back (MenuElem (_("Smaller"), bind (mem_fun (*this, &TimeAxisView::set_height), Smaller)));
 451         items.push_back (MenuElem (_("Small"), bind (mem_fun (*this, &TimeAxisView::set_height), Small)));
 452 }
 453
 454 void
 455 TimeAxisView::build_display_menu ()
 456 {
 457         using namespace Menu_Helpers;
 458
 459         display_menu = new Menu;
 460         display_menu->set_name ("ArdourContextMenu");
 461
 462         // Just let implementing classes define what goes into the manu
 463 }
 464
 465 void
 466 TimeAxisView::set_samples_per_unit (double spu)
 467 {
 468         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 469                 (*i)->set_samples_per_unit (spu);
 470         }
 471 }
 472
 473 void
 474 TimeAxisView::show_timestretch (jack_nframes_t start, jack_nframes_t end)
 475 {
 476         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 477                 (*i)->show_timestretch (start, end);
 478         }
 479 }
 480
 481 void
 482 TimeAxisView::hide_timestretch ()
 483 {
 484         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 485                 (*i)->hide_timestretch ();
 486         }
 487 }
 488
 489 void
 490 TimeAxisView::show_selection (TimeSelection& ts)
 491 {
 492         double x1;
 493         double x2;
 494         double y2;
 495         SelectionRect *rect;
 496
 497         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 498                 (*i)->show_selection (ts);
 499         }
 500
 501         if (GTK_OBJECT_FLAGS(GTK_OBJECT(selection_group)) & GNOME_CANVAS_ITEM_VISIBLE) {
 502                 while (!used_selection_rects.empty()) {
 503                         free_selection_rects.push_front (used_selection_rects.front());
 504                         used_selection_rects.pop_front();
 505                         free_selection_rects.front()->rect->hide();
 506                         free_selection_rects.front()->start_trim->hide();
 507                         free_selection_rects.front()->end_trim->hide();
 508                 }
 509                 selection_group->hide();
 510         }
 511
 512         selection_group->show();
 513         selection_group->raise_to_top();
 514
 515         for (list<AudioRange>::iterator i = ts.begin(); i != ts.end(); ++i) {
 516                 jack_nframes_t start, end, cnt;
 517
 518                 start = (*i).start;
 519                 end = (*i).end;
 520                 cnt = end - start + 1;
 521
 522                 rect = get_selection_rect ((*i).id);
 523
 524                 x1 = start / editor.get_current_zoom();
 525                 x2 = (start + cnt - 1) / editor.get_current_zoom();
 526                 y2 = height;
 527
 528                 gtk_object_set (GTK_OBJECT(rect->rect),
 529                                 "x1", x1,
 530                                 "y1", 1.0,
 531                                 "x2", x2,
 532                                 "y2", y2,
 533                                 NULL);
 534
 535                 // trim boxes are at the top for selections
 536
 537                 if (x2 > x1) {
 538                         gtk_object_set (GTK_OBJECT(rect->start_trim),
 539                                         "x1", x1,
 540                                         "y1", 1.0,
 541                                         "x2", x1 + trim_handle_size,
 542                                         "y2", 1.0 + trim_handle_size,
 543                                         NULL);
 544                         gtk_object_set (GTK_OBJECT(rect->end_trim),
 545                                         "x1", x2 - trim_handle_size,
 546                                         "y1", 1.0,
 547                                         "x2", x2,
 548                                         "y2", 1.0 + trim_handle_size,
 549                                         NULL);
 550                         rect->start_trim->show();
 551                         rect->end_trim->show();
 552                 } else {
 553                         rect->start_trim->hide();
 554                         rect->end_trim->hide();
 555                 }
 556
 557                 rect->rect->show ();
 558                 used_selection_rects.push_back (rect);
 559         }
 560 }
 561
 562 void
 563 TimeAxisView::reshow_selection (TimeSelection& ts)
 564 {
 565         show_selection (ts);
 566
 567         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 568                 (*i)->show_selection (ts);
 569         }
 570 }
 571
 572 void
 573 TimeAxisView::hide_selection ()
 574 {
 575         if (GTK_OBJECT_FLAGS(GTK_OBJECT(selection_group)) & GNOME_CANVAS_ITEM_VISIBLE) {
 576                 while (!used_selection_rects.empty()) {
 577                         free_selection_rects.push_front (used_selection_rects.front());
 578                         used_selection_rects.pop_front();
 579                         free_selection_rects.front()->rect->hide();
 580                         free_selection_rects.front()->start_trim->hide();
 581                         free_selection_rects.front()->end_trim->hide();
 582                 }
 583                 selection_group->hide();
 584         }
 585
 586         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 587                 (*i)->hide_selection ();
 588         }
 589 }
 590
 591 void
 592 TimeAxisView::order_selection_trims (ArdourCanvas::Item *item, bool put_start_on_top)
 593 {
 594         /* find the selection rect this is for. we have the item corresponding to one
 595            of the trim handles.
 596          */
 597
 598         for (list<SelectionRect*>::iterator i = used_selection_rects.begin(); i != used_selection_rects.end(); ++i) {
 599                 if ((*i)->start_trim == item || (*i)->end_trim == item) {
 600
 601                         /* make one trim handle be "above" the other so that if they overlap,
 602                            the top one is the one last used.
 603                         */
 604
 605                         (*i)->rect->raise_to_top ();
 606                         (put_start_on_top ? (*i)->start_trim : (*i)->end_trim)->raise_to_top ();
 607                         (put_start_on_top ? (*i)->end_trim : (*i)->start_trim)->raise_to_top ();
 608
 609                         break;
 610                 }
 611         }
 612 }
 613
 614 SelectionRect *
 615 TimeAxisView::get_selection_rect (uint32_t id)
 616 {
 617         SelectionRect *rect;
 618
 619         /* check to see if we already have a visible rect for this particular selection ID */
 620
 621         for (list<SelectionRect*>::iterator i = used_selection_rects.begin(); i != used_selection_rects.end(); ++i) {
 622                 if ((*i)->id == id) {
 623                         return (*i);
 624                 }
 625         }
 626
 627         /* ditto for the free rect list */
 628
 629         for (list<SelectionRect*>::iterator i = free_selection_rects.begin(); i != free_selection_rects.end(); ++i) {
 630                 if ((*i)->id == id) {
 631                         free_selection_rects.erase (i);
 632                         return (*i);
 633                 }
 634         }
 635
 636         /* no existing matching rect, so go get a new one from the free list, or create one if there are none */
 637
 638         if (free_selection_rects.empty()) {
 639
 640                 rect = new SelectionRect;
 641
 642                 rect->rect = new SimpleRect (*selection_group);
 643                 rect->rect->property_x1() = 0.0;
 644                 rect->rect->property_y1() = 0.0;
 645                 rect->rect->property_x2() = 0.0;
 646                 rect->rect->property_y2() = 0.0;
 647                 rect->rect->property_fill_color_rgba() = color_map[cSelectionRectFill];
 648                 rect->rect->property_outline_color_rgba() = color_map[cSelectionRectOutline];
 649
 650                 rect->start_trim = new SimpleRect (*selection_group);
 651                 rect->start_trim->property_x1() = 0.0;
 652                 rect->start_trim->property_x2() = 0.0;
 653                 rect->start_trim->property_fill_color_rgba() = color_map[cSelectionStartFill];
 654                 rect->start_trim->property_outline_color_rgba() = color_map[cSelectionStartOutline];
 655
 656                 rect->end_trim = new SimpleRect (*selection_group);
 657                 rect->end_trim->property_x1() = 0.0;
 658                 rect->end_trim->property_x2() = 0.0;
 659                 rect->end_trim->property_fill_color_rgba() = color_map[cSelectionEndFill];
 660                 rect->end_trim->property_outline_color_rgba() = color_map[cSelectionEndOutline];
 661
 662                 free_selection_rects.push_front (rect);
 663
 664                 rect->rect->signal_event().connect (bind (mem_fun (editor, &PublicEditor::canvas_selection_rect_event), rect->rect, rect));
 665                 rect->start_trim->signal_event().connect (bind (mem_fun (editor, &PublicEditor::canvas_selection_start_trim_event), rect->rect, rect));
 666                 rect->end_trim->signal_event().connect (bind (mem_fun (editor, &PublicEditor::canvas_selection_end_trim_event), rect->rect, rect));
 667         }
 668
 669         rect = free_selection_rects.front();
 670         rect->id = id;
 671         free_selection_rects.pop_front();
 672         return rect;
 673 }
 674
 675 bool
 676 TimeAxisView::is_child (TimeAxisView* tav)
 677 {
 678         return find (children.begin(), children.end(), tav) != children.end();
 679 }
 680
 681 void
 682 TimeAxisView::add_child (TimeAxisView* child)
 683 {
 684         children.push_back (child);
 685 }
 686
 687 void
 688 TimeAxisView::remove_child (TimeAxisView* child)
 689 {
 690         vector<TimeAxisView*>::iterator i;
 691
 692         if ((i = find (children.begin(), children.end(), child)) != children.end()) {
 693                 children.erase (i);
 694         }
 695 }
 696
 697 void
 698 TimeAxisView::get_selectables (jack_nframes_t start, jack_nframes_t end, double top, double bot, list<Selectable*>& result)
 699 {
 700         return;
 701 }
 702
 703 void
 704 TimeAxisView::get_inverted_selectables (Selection& sel, list<Selectable*>& result)
 705 {
 706         return;
 707 }
 708
 709 bool
 710 TimeAxisView::touched (double top, double bot)
 711 {
 712         /* remember: this is X Window - coordinate space starts in upper left and moves down.
 713            y_position is the "origin" or "top" of the track.
 714          */
 715
 716         double mybot = y_position + height; // XXX need to include Editor::track_spacing;
 717
 718         return ((y_position <= bot && y_position >= top) ||
 719                 ((mybot <= bot) && (top < mybot)) ||
 720                 (mybot >= bot && y_position < top));
 721 }
 722
 723 void
 724 TimeAxisView::set_parent (TimeAxisView& p)
 725 {
 726         parent = &p;
 727 }
 728
 729 bool
 730 TimeAxisView::has_state () const
 731 {
 732         return _has_state;
 733 }
 734
 735 TimeAxisView*
 736 TimeAxisView::get_parent_with_state ()
 737 {
 738         if (parent == 0) {
 739                 return 0;
 740         }
 741
 742         if (parent->has_state()) {
 743                 return parent;
 744         }
 745
 746         return parent->get_parent_with_state ();
 747 }
 748
 749 void
 750 TimeAxisView::set_state (const XMLNode& node)
 751 {
 752         const XMLProperty *prop;
 753
 754         if ((prop = node.property ("track_height")) != 0) {
 755
 756                 if (prop->value() == "largest") {
 757                         set_height (Largest);
 758                 } else if (prop->value() == "large") {
 759                         set_height (Large);
 760                 } else if (prop->value() == "larger") {
 761                         set_height (Larger);
 762                 } else if (prop->value() == "normal") {
 763                         set_height (Normal);
 764                 } else if (prop->value() == "smaller") {
 765                         set_height (Smaller);
 766                 } else if (prop->value() == "small") {
 767                         set_height (Small);
 768                 } else {
 769                         error << string_compose(_("unknown track height name \"%1\" in XML GUI information"), prop->value()) << endmsg;
 770                         set_height (Normal);
 771                 }
 772
 773         } else {
 774                 set_height (Normal);
 775         }
 776 }
 777
 778 void
 779 TimeAxisView::reset_height()
 780 {
 781         set_height ((TrackHeight) height);
 782
 783         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 784                 (*i)->set_height ((TrackHeight)(*i)->height);
 785         }
 786 }
 787