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 */
  19
  20 #include <cstdlib>
  21 #include <cmath>
  22 #include <algorithm>
  23 #include <string>
  24 #include <list>
  25
  26 #include <libgnomecanvasmm.h>
  27 #include <libgnomecanvasmm/canvas.h>
  28 #include <libgnomecanvasmm/item.h>
  29
  30 #include <pbd/error.h>
  31
  32 #include <gtkmm2ext/utils.h>
  33 #include <gtkmm2ext/selector.h>
  34 #include <gtkmm2ext/stop_signal.h>
  35
  36 #include <ardour/session.h>
  37 #include <ardour/utils.h>
  38 #include <ardour/ladspa_plugin.h>
  39 #include <ardour/insert.h>
  40 #include <ardour/location.h>
  41
  42 #include "ardour_ui.h"
  43 #include "public_editor.h"
  44 #include "time_axis_view.h"
  45 #include "simplerect.h"
  46 #include "simpleline.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 PBD;
  59 using namespace Editing;
  60 using namespace ArdourCanvas;
  61
  62 const double trim_handle_size = 6.0; /* pixels */
  63
  64 uint32_t TimeAxisView::hLargest = 0;
  65 uint32_t TimeAxisView::hLarge = 0;
  66 uint32_t TimeAxisView::hLarger = 0;
  67 uint32_t TimeAxisView::hNormal = 0;
  68 uint32_t TimeAxisView::hSmaller = 0;
  69 uint32_t TimeAxisView::hSmall = 0;
  70 bool TimeAxisView::need_size_info = true;
  71
  72 TimeAxisView::TimeAxisView (ARDOUR::Session& sess, PublicEditor& ed, TimeAxisView* rent, Canvas& canvas)
  73         : AxisView (sess),
  74           editor (ed),
  75           controls_table (2, 7)
  76 {
  77         if (need_size_info) {
  78                 compute_controls_size_info ();
  79                 need_size_info = false;
  80         }
  81
  82         canvas_display = new Group (*canvas.root(), 0.0, 0.0);
  83
  84         selection_group = new Group (*canvas_display);
  85         selection_group->hide();
  86
  87         control_parent = 0;
  88         display_menu = 0;
  89         size_menu = 0;
  90         _marked_for_display = false;
  91         _hidden = false;
  92         height = 0;
  93         effective_height = 0;
  94         parent = rent;
  95         _has_state = false;
  96         last_name_entry_key_press_event = 0;
  97         name_packing = NamePackingBits (0);
  98
  99         /*
 100           Create the standard LHS Controls
 101           We create the top-level container and name add the name label here,
 102           subclasses can add to the layout as required
 103         */
 104
 105         name_entry.set_name ("EditorTrackNameDisplay");
 106         name_entry.signal_button_release_event().connect (mem_fun (*this, &TimeAxisView::name_entry_button_release));
 107         name_entry.signal_button_press_event().connect (mem_fun (*this, &TimeAxisView::name_entry_button_press));
 108         name_entry.signal_key_release_event().connect (mem_fun (*this, &TimeAxisView::name_entry_key_release));
 109         name_entry.signal_activate().connect (mem_fun(*this, &TimeAxisView::name_entry_activated));
 110         name_entry.signal_focus_in_event().connect (mem_fun (*this, &TimeAxisView::name_entry_focus_in));
 111         name_entry.signal_focus_out_event().connect (mem_fun (*this, &TimeAxisView::name_entry_focus_out));
 112         Gtkmm2ext::set_size_request_to_display_given_text (name_entry, N_("gTortnam"), 10, 10); // just represents a short name
 113
 114         name_label.set_name ("TrackLabel");
 115         name_label.set_alignment (0.0, 0.5);
 116
 117         /* typically, either name_label OR name_entry are visible,
 118            but not both. its up to derived classes to show/hide them as they
 119            wish.
 120         */
 121
 122         name_hbox.show ();
 123
 124         controls_table.set_border_width (2);
 125         controls_table.set_row_spacings (0);
 126         controls_table.set_col_spacings (0);
 127         controls_table.set_homogeneous (true);
 128
 129         controls_table.attach (name_hbox, 0, 4, 0, 1,  Gtk::FILL|Gtk::EXPAND,  Gtk::FILL|Gtk::EXPAND, 3, 0);
 130         controls_table.show_all ();
 131         controls_table.set_no_show_all ();
 132
 133         controls_vbox.pack_start (controls_table, false, false);
 134         controls_vbox.show ();
 135
 136         controls_ebox.set_name ("TimeAxisViewControlsBaseUnselected");
 137         controls_ebox.add (controls_vbox);
 138         controls_ebox.add_events (BUTTON_PRESS_MASK|BUTTON_RELEASE_MASK|SCROLL_MASK);
 139         controls_ebox.set_flags (CAN_FOCUS);
 140
 141         controls_ebox.signal_button_release_event().connect (mem_fun (*this, &TimeAxisView::controls_ebox_button_release));
 142         controls_ebox.signal_scroll_event().connect (mem_fun (*this, &TimeAxisView::controls_ebox_scroll), true);
 143
 144         controls_hbox.pack_start (controls_ebox,true,true);
 145         controls_hbox.show ();
 146
 147         controls_frame.add (controls_hbox);
 148         controls_frame.set_name ("TimeAxisViewControlsBaseUnselected");
 149         controls_frame.set_shadow_type (Gtk::SHADOW_ETCHED_OUT);
 150
 151         ColorsChanged.connect (mem_fun (*this, &TimeAxisView::color_handler));
 152 }
 153
 154 TimeAxisView::~TimeAxisView()
 155 {
 156         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 157                 delete *i;
 158         }
 159
 160         for (list<SelectionRect*>::iterator i = free_selection_rects.begin(); i != free_selection_rects.end(); ++i) {
 161                 delete (*i)->rect;
 162                 delete (*i)->start_trim;
 163                 delete (*i)->end_trim;
 164
 165         }
 166
 167         for (list<SelectionRect*>::iterator i = used_selection_rects.begin(); i != used_selection_rects.end(); ++i) {
 168                 delete (*i)->rect;
 169                 delete (*i)->start_trim;
 170                 delete (*i)->end_trim;
 171         }
 172
 173         if (selection_group) {
 174                 delete selection_group;
 175                 selection_group = 0;
 176         }
 177
 178         if (canvas_display) {
 179                 delete canvas_display;
 180                 canvas_display = 0;
 181         }
 182
 183         if (display_menu) {
 184                 delete display_menu;
 185                 display_menu = 0;
 186         }
 187 }
 188
 189 guint32
 190 TimeAxisView::show_at (double y, int& nth, VBox *parent)
 191 {
 192         gdouble ix1, ix2, iy1, iy2;
 193         effective_height = 0;
 194
 195         if (control_parent) {
 196                 control_parent->reorder_child (controls_frame, nth);
 197         } else {
 198                 control_parent = parent;
 199                 parent->pack_start (controls_frame, false, false);
 200                 parent->reorder_child (controls_frame, nth);
 201         }
 202         controls_frame.show ();
 203         controls_ebox.show ();
 204
 205         /* the coordinates used here are in the system of the
 206            item's parent ...
 207         */
 208
 209         canvas_display->get_bounds (ix1, iy1, ix2, iy2);
 210         Group* pg = canvas_display->property_parent();
 211         pg->i2w (ix1, iy1);
 212
 213         if (iy1 < 0) {
 214                 iy1 = 0;
 215         }
 216
 217         canvas_display->move (0.0, y - iy1);
 218         canvas_display->show();/* XXX not necessary */
 219         y_position = y;
 220         order = nth;
 221         _hidden = false;
 222
 223         /* height in pixels depends on _order, so update it now we've changed _order */
 224         set_height (height_style);
 225
 226         effective_height = height;
 227
 228         /* now show children */
 229
 230         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 231
 232                 if ((*i)->marked_for_display()) {
 233                         (*i)->canvas_display->show();
 234                 }
 235
 236                 if (canvas_item_visible ((*i)->canvas_display)) {
 237                         ++nth;
 238                         effective_height += (*i)->show_at (y + effective_height, nth, parent);
 239                 }
 240         }
 241
 242         return effective_height;
 243 }
 244
 245 bool
 246 TimeAxisView::controls_ebox_scroll (GdkEventScroll* ev)
 247 {
 248         switch (ev->direction) {
 249         case GDK_SCROLL_UP:
 250                 if (Keyboard::modifier_state_equals (ev->state, Keyboard::TertiaryModifier)) {
 251                         step_height (true);
 252                         return true;
 253                 }
 254                 break;
 255
 256         case GDK_SCROLL_DOWN:
 257                 if (Keyboard::modifier_state_equals (ev->state, Keyboard::TertiaryModifier)) {
 258                         step_height (false);
 259                         return true;
 260                 }
 261                 break;
 262
 263         default:
 264                 /* no handling for left/right, yet */
 265                 break;
 266         }
 267
 268         return false;
 269 }
 270
 271 bool
 272 TimeAxisView::controls_ebox_button_release (GdkEventButton* ev)
 273 {
 274         switch (ev->button) {
 275         case 1:
 276                 selection_click (ev);
 277                 break;
 278
 279         case 3:
 280                 popup_display_menu (ev->time);
 281                 break;
 282         }
 283
 284         return true;
 285 }
 286
 287 void
 288 TimeAxisView::selection_click (GdkEventButton* ev)
 289 {
 290         Selection::Operation op = Keyboard::selection_type (ev->state);
 291         editor.set_selected_track (*this, op, false);
 292 }
 293
 294 void
 295 TimeAxisView::hide ()
 296 {
 297         if (_hidden) {
 298                 return;
 299         }
 300
 301         canvas_display->hide();
 302         controls_frame.hide ();
 303
 304         if (control_parent) {
 305                 control_parent->remove (controls_frame);
 306                 control_parent = 0;
 307         }
 308
 309         y_position = -1;
 310         _hidden = true;
 311
 312         /* now hide children */
 313
 314         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 315                 (*i)->hide ();
 316         }
 317
 318         Hiding ();
 319 }
 320
 321 void
 322 TimeAxisView::step_height (bool bigger)
 323 {
 324
 325        if (height == hLargest) {
 326                if (!bigger) set_height (Large);
 327                return;
 328        }
 329        if (height == hLarge) {
 330                if (bigger) set_height (Largest);
 331                 else set_height (Larger);
 332                return;
 333        }
 334        if (height == hLarger) {
 335                 if (bigger) set_height (Large);
 336                 else set_height (Normal);
 337                return;
 338        }
 339        if (height == hNormal) {
 340                 if (bigger) set_height (Larger);
 341                 else set_height (Smaller);
 342                return;
 343        }
 344        if (height == hSmaller) {
 345                 if (bigger) set_height (Normal);
 346                 else set_height (Small);
 347                return;
 348        }
 349        if (height == hSmall) {
 350                 if (bigger) set_height (Smaller);
 351                return;
 352        }
 353 }
 354
 355 void
 356 TimeAxisView::set_heights (TrackHeight h)
 357 {
 358         TrackSelection& ts (editor.get_selection().tracks);
 359
 360         for (TrackSelection::iterator i = ts.begin(); i != ts.end(); ++i) {
 361                 (*i)->set_height (h);
 362         }
 363 }
 364
 365 void
 366 TimeAxisView::set_height (TrackHeight h)
 367 {
 368         height_style = h;
 369         set_height_pixels (height_to_pixels (h));
 370 }
 371
 372 void
 373 TimeAxisView::set_height_pixels (uint32_t h)
 374 {
 375         height = h;
 376         controls_frame.set_size_request (-1, height + ((order == 0) ? 1 : 0));
 377         //cerr << "TimeAxisView::set_height_pixels() called h = " << h << endl;//DEBUG
 378         if (canvas_item_visible (selection_group)) {
 379                 /* resize the selection rect */
 380                 show_selection (editor.get_selection().time);
 381         }
 382
 383 }
 384
 385 bool
 386 TimeAxisView::name_entry_key_release (GdkEventKey* ev)
 387 {
 388         PublicEditor::TrackViewList *allviews = 0;
 389         PublicEditor::TrackViewList::iterator i;
 390
 391         switch (ev->keyval) {
 392         case GDK_Escape:
 393                 name_entry.select_region (0,0);
 394                 controls_ebox.grab_focus ();
 395                 name_entry_changed ();
 396                 return true;
 397
 398         /* Shift+Tab Keys Pressed. Note that for Shift+Tab, GDK actually
 399          * generates a different ev->keyval, rather than setting
 400          * ev->state.
 401          */
 402         case GDK_ISO_Left_Tab:
 403         case GDK_Tab:
 404                 name_entry_changed ();
 405                 allviews = editor.get_valid_views (0);
 406                 if (allviews != 0) {
 407                         i = find (allviews->begin(), allviews->end(), this);
 408                         if (ev->keyval == GDK_Tab) {
 409                                 if (i != allviews->end()) {
 410                                         do {
 411                                                 if (++i == allviews->end()) { return true; }
 412                                         } while((*i)->hidden());
 413                                 }
 414                         } else {
 415                                 if (i != allviews->begin()) {
 416                                         do {
 417                                                 if (--i == allviews->begin()) { return true; }
 418                                         } while ((*i)->hidden());
 419                                 }
 420                         }
 421
 422                         if ((*i)->height_style == Small) {
 423                                 (*i)->set_height(Smaller);
 424                         }
 425
 426                         (*i)->name_entry.grab_focus();
 427                 }
 428                 return true;
 429
 430         case GDK_Up:
 431         case GDK_Down:
 432                 name_entry_changed ();
 433                 return true;
 434
 435         default:
 436                 break;
 437         }
 438
 439 #ifdef TIMEOUT_NAME_EDIT
 440         /* adapt the timeout to reflect the user's typing speed */
 441
 442         guint32 name_entry_timeout;
 443
 444         if (last_name_entry_key_press_event) {
 445                 /* timeout is 1/2 second or 5 times their current inter-char typing speed */
 446                 name_entry_timeout = std::max (500U, (5 * (ev->time - last_name_entry_key_press_event)));
 447         } else {
 448                 /* start with a 1 second timeout */
 449                 name_entry_timeout = 1000;
 450         }
 451
 452         last_name_entry_key_press_event = ev->time;
 453
 454         /* wait 1 seconds and if no more keys are pressed, act as if they pressed enter */
 455
 456         name_entry_key_timeout.disconnect();
 457         name_entry_key_timeout = Glib::signal_timeout().connect (mem_fun (*this, &TimeAxisView::name_entry_key_timed_out), name_entry_timeout);
 458 #endif
 459
 460         return false;
 461 }
 462
 463 bool
 464 TimeAxisView::name_entry_focus_in (GdkEventFocus* ev)
 465 {
 466         name_entry.select_region (0, -1);
 467         name_entry.set_name ("EditorActiveTrackNameDisplay");
 468         return false;
 469 }
 470
 471 bool
 472 TimeAxisView::name_entry_focus_out (GdkEventFocus* ev)
 473 {
 474         /* clean up */
 475
 476         last_name_entry_key_press_event = 0;
 477         name_entry_key_timeout.disconnect ();
 478         name_entry.set_name ("EditorTrackNameDisplay");
 479         name_entry.select_region (0,0);
 480
 481         /* do the real stuff */
 482
 483         name_entry_changed ();
 484
 485         return false;
 486 }
 487
 488 bool
 489 TimeAxisView::name_entry_key_timed_out ()
 490 {
 491         name_entry_activated();
 492         return false;
 493 }
 494
 495 void
 496 TimeAxisView::name_entry_activated ()
 497 {
 498         controls_ebox.grab_focus();
 499 }
 500
 501 void
 502 TimeAxisView::name_entry_changed ()
 503 {
 504 }
 505
 506 bool
 507 TimeAxisView::name_entry_button_press (GdkEventButton *ev)
 508 {
 509         if (ev->button == 3) {
 510                 return true;
 511         }
 512         return false;
 513 }
 514
 515 bool
 516 TimeAxisView::name_entry_button_release (GdkEventButton *ev)
 517 {
 518         if (ev->button == 3) {
 519                 popup_display_menu (ev->time);
 520                 return true;
 521         }
 522         return false;
 523 }
 524
 525 void
 526 TimeAxisView::popup_display_menu (guint32 when)
 527 {
 528         if (display_menu == 0) {
 529                 build_display_menu ();
 530         }
 531
 532         editor.set_selected_track (*this, Selection::Add);
 533         display_menu->popup (1, when);
 534 }
 535
 536 gint
 537 TimeAxisView::size_click (GdkEventButton *ev)
 538 {
 539         editor.set_selected_track (*this, Selection::Add);
 540         popup_size_menu (ev->time);
 541         return TRUE;
 542 }
 543
 544 void
 545 TimeAxisView::popup_size_menu (guint32 when)
 546 {
 547         if (size_menu == 0) {
 548                 build_size_menu ();
 549         }
 550         size_menu->popup (1, when);
 551 }
 552
 553 void
 554 TimeAxisView::set_selected (bool yn)
 555 {
 556         if (yn == _selected) {
 557                 return;
 558         }
 559
 560         Selectable::set_selected (yn);
 561
 562         if (_selected) {
 563                 controls_ebox.set_name (controls_base_selected_name);
 564                 controls_frame.set_name (controls_base_selected_name);
 565
 566                 /* propagate any existing selection, if the mode is right */
 567
 568                 if (editor.current_mouse_mode() == Editing::MouseRange && !editor.get_selection().time.empty()) {
 569                         show_selection (editor.get_selection().time);
 570                 }
 571
 572         } else {
 573                 controls_ebox.set_name (controls_base_unselected_name);
 574                 controls_frame.set_name (controls_base_unselected_name);
 575
 576                 hide_selection ();
 577
 578                 /* children will be set for the yn=true case. but when deselecting
 579                    the editor only has a list of top-level trackviews, so we
 580                    have to do this here.
 581                 */
 582
 583                 for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 584                         (*i)->set_selected (false);
 585                 }
 586         }
 587 }
 588
 589 void
 590 TimeAxisView::build_size_menu ()
 591 {
 592         using namespace Menu_Helpers;
 593
 594         size_menu = new Menu;
 595         size_menu->set_name ("ArdourContextMenu");
 596         MenuList& items = size_menu->items();
 597
 598         items.push_back (MenuElem (_("Largest"), bind (mem_fun (*this, &TimeAxisView::set_heights), Largest)));
 599         items.push_back (MenuElem (_("Large"), bind (mem_fun (*this, &TimeAxisView::set_heights), Large)));
 600         items.push_back (MenuElem (_("Larger"), bind (mem_fun (*this, &TimeAxisView::set_heights), Larger)));
 601         items.push_back (MenuElem (_("Normal"), bind (mem_fun (*this, &TimeAxisView::set_heights), Normal)));
 602         items.push_back (MenuElem (_("Smaller"), bind (mem_fun (*this, &TimeAxisView::set_heights),Smaller)));
 603         items.push_back (MenuElem (_("Small"), bind (mem_fun (*this, &TimeAxisView::set_heights), Small)));
 604 }
 605
 606 void
 607 TimeAxisView::build_display_menu ()
 608 {
 609         using namespace Menu_Helpers;
 610
 611         display_menu = new Menu;
 612         display_menu->set_name ("ArdourContextMenu");
 613
 614         // Just let implementing classes define what goes into the manu
 615 }
 616
 617 void
 618 TimeAxisView::set_samples_per_unit (double spu)
 619 {
 620         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 621                 (*i)->set_samples_per_unit (spu);
 622         }
 623 }
 624
 625 void
 626 TimeAxisView::show_timestretch (nframes_t start, nframes_t end)
 627 {
 628         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 629                 (*i)->show_timestretch (start, end);
 630         }
 631 }
 632
 633 void
 634 TimeAxisView::hide_timestretch ()
 635 {
 636         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 637                 (*i)->hide_timestretch ();
 638         }
 639 }
 640
 641 void
 642 TimeAxisView::show_selection (TimeSelection& ts)
 643 {
 644         double x1;
 645         double x2;
 646         double y2;
 647         SelectionRect *rect;
 648
 649         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 650                 (*i)->show_selection (ts);
 651         }
 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         selection_group->show();
 665         selection_group->raise_to_top();
 666
 667         for (list<AudioRange>::iterator i = ts.begin(); i != ts.end(); ++i) {
 668                 nframes_t start, end, cnt;
 669
 670                 start = (*i).start;
 671                 end = (*i).end;
 672                 cnt = end - start + 1;
 673
 674                 rect = get_selection_rect ((*i).id);
 675
 676                 x1 = editor.frame_to_unit (start);
 677                 x2 = editor.frame_to_unit (start + cnt - 1);
 678                 y2 = height;
 679
 680                 rect->rect->property_x1() = x1;
 681                 rect->rect->property_y1() = 1.0;
 682                 rect->rect->property_x2() = x2;
 683                 rect->rect->property_y2() = y2;
 684
 685                 // trim boxes are at the top for selections
 686
 687                 if (x2 > x1) {
 688                         rect->start_trim->property_x1() = x1;
 689                         rect->start_trim->property_y1() = 1.0;
 690                         rect->start_trim->property_x2() = x1 + trim_handle_size;
 691                         rect->start_trim->property_y2() = 1.0 + trim_handle_size;
 692
 693                         rect->end_trim->property_x1() = x2 - trim_handle_size;
 694                         rect->end_trim->property_y1() = 1.0;
 695                         rect->end_trim->property_x2() = x2;
 696                         rect->end_trim->property_y2() = 1.0 + trim_handle_size;
 697
 698                         rect->start_trim->show();
 699                         rect->end_trim->show();
 700                 } else {
 701                         rect->start_trim->hide();
 702                         rect->end_trim->hide();
 703                 }
 704
 705                 rect->rect->show ();
 706                 used_selection_rects.push_back (rect);
 707         }
 708 }
 709
 710 void
 711 TimeAxisView::reshow_selection (TimeSelection& ts)
 712 {
 713         show_selection (ts);
 714
 715         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 716                 (*i)->show_selection (ts);
 717         }
 718 }
 719
 720 void
 721 TimeAxisView::hide_selection ()
 722 {
 723         if (canvas_item_visible (selection_group)) {
 724                 while (!used_selection_rects.empty()) {
 725                         free_selection_rects.push_front (used_selection_rects.front());
 726                         used_selection_rects.pop_front();
 727                         free_selection_rects.front()->rect->hide();
 728                         free_selection_rects.front()->start_trim->hide();
 729                         free_selection_rects.front()->end_trim->hide();
 730                 }
 731                 selection_group->hide();
 732         }
 733
 734         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 735                 (*i)->hide_selection ();
 736         }
 737 }
 738
 739 void
 740 TimeAxisView::order_selection_trims (ArdourCanvas::Item *item, bool put_start_on_top)
 741 {
 742         /* find the selection rect this is for. we have the item corresponding to one
 743            of the trim handles.
 744          */
 745
 746         for (list<SelectionRect*>::iterator i = used_selection_rects.begin(); i != used_selection_rects.end(); ++i) {
 747                 if ((*i)->start_trim == item || (*i)->end_trim == item) {
 748
 749                         /* make one trim handle be "above" the other so that if they overlap,
 750                            the top one is the one last used.
 751                         */
 752
 753                         (*i)->rect->raise_to_top ();
 754                         (put_start_on_top ? (*i)->start_trim : (*i)->end_trim)->raise_to_top ();
 755                         (put_start_on_top ? (*i)->end_trim : (*i)->start_trim)->raise_to_top ();
 756
 757                         break;
 758                 }
 759         }
 760 }
 761
 762 SelectionRect *
 763 TimeAxisView::get_selection_rect (uint32_t id)
 764 {
 765         SelectionRect *rect;
 766
 767         /* check to see if we already have a visible rect for this particular selection ID */
 768
 769         for (list<SelectionRect*>::iterator i = used_selection_rects.begin(); i != used_selection_rects.end(); ++i) {
 770                 if ((*i)->id == id) {
 771                         return (*i);
 772                 }
 773         }
 774
 775         /* ditto for the free rect list */
 776
 777         for (list<SelectionRect*>::iterator i = free_selection_rects.begin(); i != free_selection_rects.end(); ++i) {
 778                 if ((*i)->id == id) {
 779                         SelectionRect* ret = (*i);
 780                         free_selection_rects.erase (i);
 781                         return ret;
 782                 }
 783         }
 784
 785         /* no existing matching rect, so go get a new one from the free list, or create one if there are none */
 786
 787         if (free_selection_rects.empty()) {
 788
 789                 rect = new SelectionRect;
 790
 791                 rect->rect = new SimpleRect (*selection_group);
 792                 rect->rect->property_x1() = 0.0;
 793                 rect->rect->property_y1() = 0.0;
 794                 rect->rect->property_x2() = 0.0;
 795                 rect->rect->property_y2() = 0.0;
 796                 rect->rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_SelectionRect.get();
 797                 rect->rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_SelectionRect.get();
 798
 799                 rect->start_trim = new SimpleRect (*selection_group);
 800                 rect->start_trim->property_x1() = 0.0;
 801                 rect->start_trim->property_x2() = 0.0;
 802                 rect->start_trim->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
 803                 rect->start_trim->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
 804
 805                 rect->end_trim = new SimpleRect (*selection_group);
 806                 rect->end_trim->property_x1() = 0.0;
 807                 rect->end_trim->property_x2() = 0.0;
 808                 rect->end_trim->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
 809                 rect->end_trim->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
 810
 811                 free_selection_rects.push_front (rect);
 812
 813                 rect->rect->signal_event().connect (bind (mem_fun (editor, &PublicEditor::canvas_selection_rect_event), rect->rect, rect));
 814                 rect->start_trim->signal_event().connect (bind (mem_fun (editor, &PublicEditor::canvas_selection_start_trim_event), rect->rect, rect));
 815                 rect->end_trim->signal_event().connect (bind (mem_fun (editor, &PublicEditor::canvas_selection_end_trim_event), rect->rect, rect));
 816         }
 817
 818         rect = free_selection_rects.front();
 819         rect->id = id;
 820         free_selection_rects.pop_front();
 821         return rect;
 822 }
 823
 824 bool
 825 TimeAxisView::is_child (TimeAxisView* tav)
 826 {
 827         return find (children.begin(), children.end(), tav) != children.end();
 828 }
 829
 830 void
 831 TimeAxisView::add_child (TimeAxisView* child)
 832 {
 833         children.push_back (child);
 834 }
 835
 836 void
 837 TimeAxisView::remove_child (TimeAxisView* child)
 838 {
 839         vector<TimeAxisView*>::iterator i;
 840
 841         if ((i = find (children.begin(), children.end(), child)) != children.end()) {
 842                 children.erase (i);
 843         }
 844 }
 845
 846 void
 847 TimeAxisView::get_selectables (nframes_t start, nframes_t end, double top, double bot, list<Selectable*>& result)
 848 {
 849         return;
 850 }
 851
 852 void
 853 TimeAxisView::get_inverted_selectables (Selection& sel, list<Selectable*>& result)
 854 {
 855         return;
 856 }
 857
 858 bool
 859 TimeAxisView::touched (double top, double bot)
 860 {
 861         /* remember: this is X Window - coordinate space starts in upper left and moves down.
 862            y_position is the "origin" or "top" of the track.
 863          */
 864
 865         double mybot = y_position + height;
 866
 867         return ((y_position <= bot && y_position >= top) ||
 868                 ((mybot <= bot) && (top < mybot)) ||
 869                 (mybot >= bot && y_position < top));
 870 }
 871
 872 void
 873 TimeAxisView::set_parent (TimeAxisView& p)
 874 {
 875         parent = &p;
 876 }
 877
 878 bool
 879 TimeAxisView::has_state () const
 880 {
 881         return _has_state;
 882 }
 883
 884 TimeAxisView*
 885 TimeAxisView::get_parent_with_state ()
 886 {
 887         if (parent == 0) {
 888                 return 0;
 889         }
 890
 891         if (parent->has_state()) {
 892                 return parent;
 893         }
 894
 895         return parent->get_parent_with_state ();
 896 }
 897
 898 void
 899 TimeAxisView::set_state (const XMLNode& node)
 900 {
 901         const XMLProperty *prop;
 902
 903         if ((prop = node.property ("track_height")) != 0) {
 904
 905                 if (prop->value() == "largest") {
 906                         set_height (Largest);
 907                 } else if (prop->value() == "large") {
 908                         set_height (Large);
 909                 } else if (prop->value() == "larger") {
 910                         set_height (Larger);
 911                 } else if (prop->value() == "normal") {
 912                         set_height (Normal);
 913                 } else if (prop->value() == "smaller") {
 914                         set_height (Smaller);
 915                 } else if (prop->value() == "small") {
 916                         set_height (Small);
 917                 } else {
 918                         error << string_compose(_("unknown track height name \"%1\" in XML GUI information"), prop->value()) << endmsg;
 919                         set_height (Normal);
 920                 }
 921
 922         } else {
 923                 set_height (Normal);
 924         }
 925 }
 926
 927 void
 928 TimeAxisView::reset_height()
 929 {
 930         set_height_pixels (height);
 931
 932         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 933                 (*i)->set_height_pixels ((TrackHeight)(*i)->height);
 934         }
 935 }
 936
 937 uint32_t
 938 TimeAxisView::height_to_pixels (TrackHeight h)
 939 {
 940         switch (h) {
 941         case Largest:
 942                 return hLargest;
 943         case Large:
 944                 return hLarge;
 945         case Larger:
 946                 return hLarger;
 947         case Normal:
 948                 return hNormal;
 949         case Smaller:
 950                 return hSmaller;
 951         case Small:
 952                 return hSmall;
 953         }
 954
 955         // what is wrong with gcc ?
 956
 957         return hNormal;
 958 }
 959
 960 void
 961 TimeAxisView::compute_controls_size_info ()
 962 {
 963         Gtk::Window window (Gtk::WINDOW_TOPLEVEL);
 964         Gtk::Table two_row_table (2, 8);
 965         Gtk::Table one_row_table (1, 8);
 966         Button* buttons[5];
 967         const int border_width = 2;
 968         const int extra_height = (2 * border_width) + 2; // 2 pixels for the controls frame
 969
 970         window.add (one_row_table);
 971
 972         one_row_table.set_border_width (border_width);
 973         one_row_table.set_row_spacings (0);
 974         one_row_table.set_col_spacings (0);
 975         one_row_table.set_homogeneous (true);
 976
 977         two_row_table.set_border_width (border_width);
 978         two_row_table.set_row_spacings (0);
 979         two_row_table.set_col_spacings (0);
 980         two_row_table.set_homogeneous (true);
 981
 982         for (int i = 0; i < 5; ++i) {
 983                 buttons[i] = manage (new Button (X_("f")));
 984                 buttons[i]->set_name ("TrackMuteButton");
 985         }
 986
 987         one_row_table.attach (*buttons[0], 6, 7, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 0, 0);
 988
 989         one_row_table.show_all ();
 990         Gtk::Requisition req(one_row_table.size_request ());
 991
 992
 993         // height required to show 1 row of buttons
 994
 995         hSmaller = req.height + extra_height;
 996
 997         window.remove ();
 998         window.add (two_row_table);
 999
1000         two_row_table.attach (*buttons[1], 5, 6, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 0, 0);
1001         two_row_table.attach (*buttons[2], 6, 7, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 0, 0);
1002         two_row_table.attach (*buttons[3], 7, 8, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 0, 0);
1003         two_row_table.attach (*buttons[4], 8, 9, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 0, 0);
1004
1005         two_row_table.show_all ();
1006         req = two_row_table.size_request ();
1007
1008         // height required to show all normal buttons
1009
1010         hNormal = req.height + extra_height;
1011
1012         // these heights are all just larger than normal. no more
1013         // elements are visible (yet).
1014
1015         hLarger = hNormal + 50;
1016         hLarge = hNormal + 150;
1017         hLargest = hNormal + 250;
1018
1019         // height required to show track name
1020
1021         hSmall = 27;
1022 }
1023
1024 void
1025 TimeAxisView::show_name_label ()
1026 {
1027         if (!(name_packing & NameLabelPacked)) {
1028                 name_hbox.pack_start (name_label, true, true);
1029                 name_packing = NamePackingBits (name_packing | NameLabelPacked);
1030                 name_hbox.show ();
1031                 name_label.show ();
1032         }
1033 }
1034
1035 void
1036 TimeAxisView::show_name_entry ()
1037 {
1038         if (!(name_packing & NameEntryPacked)) {
1039                 name_hbox.pack_start (name_entry, true, true);
1040                 name_packing = NamePackingBits (name_packing | NameEntryPacked);
1041                 name_hbox.show ();
1042                 name_entry.show ();
1043         }
1044 }
1045
1046 void
1047 TimeAxisView::hide_name_label ()
1048 {
1049         if (name_packing & NameLabelPacked) {
1050                 name_hbox.remove (name_label);
1051                 name_packing = NamePackingBits (name_packing & ~NameLabelPacked);
1052         }
1053 }
1054
1055 void
1056 TimeAxisView::hide_name_entry ()
1057 {
1058         if (name_packing & NameEntryPacked) {
1059                 name_hbox.remove (name_entry);
1060                 name_packing = NamePackingBits (name_packing & ~NameEntryPacked);
1061         }
1062 }
1063
1064 void
1065 TimeAxisView::color_handler ()
1066 {
1067         for (list<SelectionRect*>::iterator i = used_selection_rects.begin(); i != used_selection_rects.end(); ++i) {
1068
1069                 (*i)->rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_SelectionRect.get();
1070                 (*i)->rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
1071
1072                 (*i)->start_trim->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
1073                 (*i)->start_trim->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
1074
1075                 (*i)->end_trim->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
1076                 (*i)->end_trim->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
1077         }
1078
1079         for (list<SelectionRect*>::iterator i = free_selection_rects.begin(); i != free_selection_rects.end(); ++i) {
1080
1081                 (*i)->rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_SelectionRect.get();
1082                 (*i)->rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
1083
1084                 (*i)->start_trim->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
1085                 (*i)->start_trim->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
1086
1087                 (*i)->end_trim->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
1088                 (*i)->end_trim->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
1089         }
1090 }
1091
1092 TimeAxisView*
1093 TimeAxisView::covers_y_position (double y)
1094 {
1095         if (hidden()) {
1096                 return 0;
1097         }
1098
1099         if (y_position <= y && y < (y_position + height)) {
1100                 return this;
1101         }
1102
1103         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
1104                 TimeAxisView* tv;
1105
1106                 if ((tv = (*i)->covers_y_position (y)) != 0) {
1107                         return tv;
1108                 }
1109         }
1110
1111         return 0;
1112 }
1113
1114 void
1115 TimeAxisView::show_temporary_lines (const AnalysisFeatureList& pos)
1116 {
1117         while (temp_lines.size()< pos.size()) {
1118                 ArdourCanvas::SimpleLine* l = new ArdourCanvas::SimpleLine (*canvas_display);
1119                 l->property_color_rgba() = (guint) ARDOUR_UI::config()->canvasvar_ZeroLine.get();
1120                 l->property_y1() = 0;
1121                 l->property_y2() = height;
1122                 temp_lines.push_back (l);
1123         }
1124
1125         while (temp_lines.size() > pos.size()) {
1126                 ArdourCanvas::SimpleLine *line = temp_lines.back();
1127                 temp_lines.pop_back ();
1128                 delete line;
1129         }
1130
1131         AnalysisFeatureList::const_iterator i;
1132         list<ArdourCanvas::SimpleLine*>::iterator l;
1133
1134         for (i = pos.begin(), l = temp_lines.begin(); i != pos.end() && l != temp_lines.end(); ++i, ++l) {
1135                 (*l)->property_x1() = editor.frame_to_pixel (*i);
1136                 (*l)->property_x2() = editor.frame_to_pixel (*i);
1137         }
1138 }
1139
1140 void
1141 TimeAxisView::hide_temporary_lines ()
1142 {
1143         for (list<ArdourCanvas::SimpleLine*>::iterator l = temp_lines.begin(); l != temp_lines.end(); ++l) {
1144                 (*l)->hide ();
1145         }
1146 }