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/processor.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 "region_view.h"
  46 #include "ghostregion.h"
  47 #include "simplerect.h"
  48 #include "simpleline.h"
  49 #include "selection.h"
  50 #include "keyboard.h"
  51 #include "rgb_macros.h"
  52 #include "utils.h"
  53
  54 #include "i18n.h"
  55
  56 using namespace Gtk;
  57 using namespace Gdk;
  58 using namespace sigc;
  59 using namespace ARDOUR;
  60 using namespace PBD;
  61 using namespace Editing;
  62 using namespace ArdourCanvas;
  63
  64 const double trim_handle_size = 6.0; /* pixels */
  65
  66 uint32_t TimeAxisView::hLargest = 0;
  67 uint32_t TimeAxisView::hLarge = 0;
  68 uint32_t TimeAxisView::hLarger = 0;
  69 uint32_t TimeAxisView::hNormal = 0;
  70 uint32_t TimeAxisView::hSmaller = 0;
  71 uint32_t TimeAxisView::hSmall = 0;
  72 bool TimeAxisView::need_size_info = true;
  73
  74 TimeAxisView::TimeAxisView (ARDOUR::Session& sess, PublicEditor& ed, TimeAxisView* rent, Canvas& canvas)
  75         : AxisView (sess),
  76           editor (ed),
  77           height_style(Small),
  78           y_position(0),
  79           order(0),
  80           controls_table (2, 8)
  81 {
  82         if (need_size_info) {
  83                 compute_controls_size_info ();
  84                 need_size_info = false;
  85         }
  86
  87         canvas_display = new Group (*canvas.root(), 0.0, 0.0);
  88
  89         ghost_group = new Group (*canvas_display);
  90         ghost_group->lower_to_bottom();
  91         ghost_group->show();
  92
  93         selection_group = new Group (*canvas_display);
  94         selection_group->hide();
  95
  96         control_parent = 0;
  97         display_menu = 0;
  98         size_menu = 0;
  99         _marked_for_display = false;
 100         _hidden = false;
 101         in_destructor = false;
 102         height = 0;
 103         effective_height = 0;
 104         parent = rent;
 105         _has_state = false;
 106         last_name_entry_key_press_event = 0;
 107         name_packing = NamePackingBits (0);
 108
 109         /*
 110           Create the standard LHS Controls
 111           We create the top-level container and name add the name label here,
 112           subclasses can add to the layout as required
 113         */
 114
 115         name_entry.set_name ("EditorTrackNameDisplay");
 116         name_entry.signal_button_release_event().connect (mem_fun (*this, &TimeAxisView::name_entry_button_release));
 117         name_entry.signal_button_press_event().connect (mem_fun (*this, &TimeAxisView::name_entry_button_press));
 118         name_entry.signal_key_release_event().connect (mem_fun (*this, &TimeAxisView::name_entry_key_release));
 119         name_entry.signal_activate().connect (mem_fun(*this, &TimeAxisView::name_entry_activated));
 120         name_entry.signal_focus_in_event().connect (mem_fun (*this, &TimeAxisView::name_entry_focus_in));
 121         name_entry.signal_focus_out_event().connect (mem_fun (*this, &TimeAxisView::name_entry_focus_out));
 122         Gtkmm2ext::set_size_request_to_display_given_text (name_entry, N_("gTortnam"), 10, 10); // just represents a short name
 123
 124         name_label.set_name ("TrackLabel");
 125         name_label.set_alignment (0.0, 0.5);
 126
 127         /* typically, either name_label OR name_entry are visible,
 128            but not both. its up to derived classes to show/hide them as they
 129            wish.
 130         */
 131
 132         name_hbox.show ();
 133
 134         controls_table.set_border_width (2);
 135         controls_table.set_row_spacings (0);
 136         controls_table.set_col_spacings (0);
 137         controls_table.set_homogeneous (true);
 138
 139         controls_table.attach (name_hbox, 0, 5, 0, 1,  Gtk::FILL|Gtk::EXPAND,  Gtk::FILL|Gtk::EXPAND, 3, 0);
 140         controls_table.show_all ();
 141         controls_table.set_no_show_all ();
 142
 143         controls_vbox.pack_start (controls_table, false, false);
 144         controls_vbox.show ();
 145
 146         //controls_ebox.set_name ("TimeAxisViewControlsBaseUnselected");
 147         controls_ebox.add (controls_vbox);
 148         controls_ebox.add_events (BUTTON_PRESS_MASK|BUTTON_RELEASE_MASK|SCROLL_MASK);
 149         controls_ebox.set_flags (CAN_FOCUS);
 150
 151         controls_ebox.signal_button_release_event().connect (mem_fun (*this, &TimeAxisView::controls_ebox_button_release));
 152         controls_ebox.signal_scroll_event().connect (mem_fun (*this, &TimeAxisView::controls_ebox_scroll), true);
 153
 154         controls_hbox.pack_start (controls_ebox,true,true);
 155         controls_hbox.show ();
 156
 157         //controls_frame.add (controls_hbox);
 158         //controls_frame.set_name ("TimeAxisViewControlsBaseUnselected");
 159         //controls_vbox.set_name ("TimeAxisViewControlsBaseUnselected");
 160         //controls_frame.set_shadow_type (Gtk::SHADOW_ETCHED_OUT);
 161
 162         ColorsChanged.connect (mem_fun (*this, &TimeAxisView::color_handler));
 163 }
 164
 165 TimeAxisView::~TimeAxisView()
 166 {
 167         in_destructor = true;
 168
 169         for (list<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
 170                 delete *i;
 171         }
 172
 173         for (list<SelectionRect*>::iterator i = free_selection_rects.begin(); i != free_selection_rects.end(); ++i) {
 174                 delete (*i)->rect;
 175                 delete (*i)->start_trim;
 176                 delete (*i)->end_trim;
 177
 178         }
 179
 180         for (list<SelectionRect*>::iterator i = used_selection_rects.begin(); i != used_selection_rects.end(); ++i) {
 181                 delete (*i)->rect;
 182                 delete (*i)->start_trim;
 183                 delete (*i)->end_trim;
 184         }
 185
 186         for (list<SimpleLine*>::iterator i = feature_lines.begin(); i != feature_lines.end(); ++i) {
 187                 delete (*i);
 188         }
 189
 190         if (selection_group) {
 191                 delete selection_group;
 192                 selection_group = 0;
 193         }
 194
 195         if (canvas_display) {
 196                 delete canvas_display;
 197                 canvas_display = 0;
 198         }
 199
 200         if (display_menu) {
 201                 delete display_menu;
 202                 display_menu = 0;
 203         }
 204 }
 205
 206 guint32
 207 TimeAxisView::show_at (double y, int& nth, VBox *parent)
 208 {
 209         gdouble ix1, ix2, iy1, iy2;
 210         effective_height = 0;
 211
 212         if (control_parent) {
 213                 control_parent->reorder_child (controls_hbox, nth);
 214         } else {
 215                 control_parent = parent;
 216                 parent->pack_start (controls_hbox, false, false);
 217                 parent->reorder_child (controls_hbox, nth);
 218         }
 219         controls_hbox.show ();
 220         controls_ebox.show ();
 221
 222         /* the coordinates used here are in the system of the
 223            item's parent ...
 224         */
 225
 226         canvas_display->get_bounds (ix1, iy1, ix2, iy2);
 227         Group* pg = canvas_display->property_parent();
 228         pg->i2w (ix1, iy1);
 229
 230         if (iy1 < 0) {
 231                 iy1 = 0;
 232         }
 233
 234         canvas_display->move (0.0, y - iy1);
 235         canvas_display->show();/* XXX not necessary */
 236         y_position = y;
 237         order = nth;
 238         _hidden = false;
 239
 240         /* height in pixels depends on _order, so update it now we've changed _order */
 241         set_height (height_style);
 242
 243         effective_height = height;
 244
 245         /* now show children */
 246
 247         for (Children::iterator i = children.begin(); i != children.end(); ++i) {
 248
 249                 if ((*i)->marked_for_display()) {
 250                         (*i)->canvas_display->show();
 251                 }
 252
 253                 if (canvas_item_visible ((*i)->canvas_display)) {
 254                         ++nth;
 255                         effective_height += (*i)->show_at (y + effective_height, nth, parent);
 256                 }
 257         }
 258
 259         return effective_height;
 260 }
 261
 262 bool
 263 TimeAxisView::controls_ebox_scroll (GdkEventScroll* ev)
 264 {
 265         switch (ev->direction) {
 266         case GDK_SCROLL_UP:
 267                 if (Keyboard::modifier_state_equals (ev->state, Keyboard::TertiaryModifier)) {
 268                         step_height (true);
 269                         return true;
 270                 }
 271                 break;
 272
 273         case GDK_SCROLL_DOWN:
 274                 if (Keyboard::modifier_state_equals (ev->state, Keyboard::TertiaryModifier)) {
 275                         step_height (false);
 276                         return true;
 277                 }
 278                 break;
 279
 280         default:
 281                 /* no handling for left/right, yet */
 282                 break;
 283         }
 284
 285         return false;
 286 }
 287
 288 bool
 289 TimeAxisView::controls_ebox_button_release (GdkEventButton* ev)
 290 {
 291         switch (ev->button) {
 292         case 1:
 293                 selection_click (ev);
 294                 break;
 295
 296         case 3:
 297                 popup_display_menu (ev->time);
 298                 break;
 299         }
 300
 301         return true;
 302 }
 303
 304 void
 305 TimeAxisView::selection_click (GdkEventButton* ev)
 306 {
 307         Selection::Operation op = Keyboard::selection_type (ev->state);
 308         editor.set_selected_track (*this, op, false);
 309 }
 310
 311 void
 312 TimeAxisView::hide ()
 313 {
 314         if (_hidden) {
 315                 return;
 316         }
 317
 318         canvas_display->hide();
 319         controls_hbox.hide ();
 320
 321         if (control_parent) {
 322                 control_parent->remove (controls_hbox);
 323                 control_parent = 0;
 324         }
 325
 326         y_position = -1;
 327         _hidden = true;
 328
 329         /* now hide children */
 330
 331         for (Children::iterator i = children.begin(); i != children.end(); ++i) {
 332                 (*i)->hide ();
 333         }
 334
 335         Hiding ();
 336 }
 337
 338 void
 339 TimeAxisView::step_height (bool bigger)
 340 {
 341
 342        if (height == hLargest) {
 343                if (!bigger) set_height (Large);
 344                return;
 345        }
 346        if (height == hLarge) {
 347                if (bigger) set_height (Largest);
 348                 else set_height (Larger);
 349                return;
 350        }
 351        if (height == hLarger) {
 352                 if (bigger) set_height (Large);
 353                 else set_height (Normal);
 354                return;
 355        }
 356        if (height == hNormal) {
 357                 if (bigger) set_height (Larger);
 358                 else set_height (Smaller);
 359                return;
 360        }
 361        if (height == hSmaller) {
 362                 if (bigger) set_height (Normal);
 363                 else set_height (Small);
 364                return;
 365        }
 366        if (height == hSmall) {
 367                 if (bigger) set_height (Smaller);
 368                return;
 369        }
 370 }
 371
 372 void
 373 TimeAxisView::set_heights (TrackHeight h)
 374 {
 375         TrackSelection& ts (editor.get_selection().tracks);
 376
 377         for (TrackSelection::iterator i = ts.begin(); i != ts.end(); ++i) {
 378                 (*i)->set_height (h);
 379         }
 380 }
 381
 382 void
 383 TimeAxisView::set_height (TrackHeight h)
 384 {
 385         height_style = h;
 386         set_height_pixels (height_to_pixels (h));
 387
 388         for (list<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
 389                 (*i)->set_height ();
 390         }
 391 }
 392
 393 void
 394 TimeAxisView::set_height_pixels (uint32_t h)
 395 {
 396         height = h;
 397         controls_hbox.set_size_request (-1, height + ((order == 0) ? 1 : 0));
 398         //cerr << "TimeAxisView::set_height_pixels() called h = " << h << endl;//DEBUG
 399         if (canvas_item_visible (selection_group)) {
 400                 /* resize the selection rect */
 401                 show_selection (editor.get_selection().time);
 402         }
 403
 404 }
 405
 406 bool
 407 TimeAxisView::name_entry_key_release (GdkEventKey* ev)
 408 {
 409         PublicEditor::TrackViewList *allviews = 0;
 410         PublicEditor::TrackViewList::iterator i;
 411
 412         switch (ev->keyval) {
 413         case GDK_Escape:
 414                 name_entry.select_region (0,0);
 415                 controls_ebox.grab_focus ();
 416                 name_entry_changed ();
 417                 return true;
 418
 419         /* Shift+Tab Keys Pressed. Note that for Shift+Tab, GDK actually
 420          * generates a different ev->keyval, rather than setting
 421          * ev->state.
 422          */
 423         case GDK_ISO_Left_Tab:
 424         case GDK_Tab:
 425                 name_entry_changed ();
 426                 allviews = editor.get_valid_views (0);
 427                 if (allviews != 0) {
 428                         i = find (allviews->begin(), allviews->end(), this);
 429                         if (ev->keyval == GDK_Tab) {
 430                                 if (i != allviews->end()) {
 431                                         do {
 432                                                 if (++i == allviews->end()) { return true; }
 433                                         } while((*i)->hidden());
 434                                 }
 435                         } else {
 436                                 if (i != allviews->begin()) {
 437                                         do {
 438                                                 if (--i == allviews->begin()) { return true; }
 439                                         } while ((*i)->hidden());
 440                                 }
 441                         }
 442
 443                         if ((*i)->height_style == Small) {
 444                                 (*i)->set_height(Smaller);
 445                         }
 446
 447                         (*i)->name_entry.grab_focus();
 448                 }
 449                 return true;
 450
 451         case GDK_Up:
 452         case GDK_Down:
 453                 name_entry_changed ();
 454                 return true;
 455
 456         default:
 457                 break;
 458         }
 459
 460 #ifdef TIMEOUT_NAME_EDIT
 461         /* adapt the timeout to reflect the user's typing speed */
 462
 463         guint32 name_entry_timeout;
 464
 465         if (last_name_entry_key_press_event) {
 466                 /* timeout is 1/2 second or 5 times their current inter-char typing speed */
 467                 name_entry_timeout = std::max (500U, (5 * (ev->time - last_name_entry_key_press_event)));
 468         } else {
 469                 /* start with a 1 second timeout */
 470                 name_entry_timeout = 1000;
 471         }
 472
 473         last_name_entry_key_press_event = ev->time;
 474
 475         /* wait 1 seconds and if no more keys are pressed, act as if they pressed enter */
 476
 477         name_entry_key_timeout.disconnect();
 478         name_entry_key_timeout = Glib::signal_timeout().connect (mem_fun (*this, &TimeAxisView::name_entry_key_timed_out), name_entry_timeout);
 479 #endif
 480
 481         return false;
 482 }
 483
 484 bool
 485 TimeAxisView::name_entry_focus_in (GdkEventFocus* ev)
 486 {
 487         name_entry.select_region (0, -1);
 488         name_entry.set_name ("EditorActiveTrackNameDisplay");
 489         return false;
 490 }
 491
 492 bool
 493 TimeAxisView::name_entry_focus_out (GdkEventFocus* ev)
 494 {
 495         /* clean up */
 496
 497         last_name_entry_key_press_event = 0;
 498         name_entry_key_timeout.disconnect ();
 499         name_entry.set_name ("EditorTrackNameDisplay");
 500         name_entry.select_region (0,0);
 501
 502         /* do the real stuff */
 503
 504         name_entry_changed ();
 505
 506         return false;
 507 }
 508
 509 bool
 510 TimeAxisView::name_entry_key_timed_out ()
 511 {
 512         name_entry_activated();
 513         return false;
 514 }
 515
 516 void
 517 TimeAxisView::name_entry_activated ()
 518 {
 519         controls_ebox.grab_focus();
 520 }
 521
 522 void
 523 TimeAxisView::name_entry_changed ()
 524 {
 525 }
 526
 527 bool
 528 TimeAxisView::name_entry_button_press (GdkEventButton *ev)
 529 {
 530         if (ev->button == 3) {
 531                 return true;
 532         }
 533         return false;
 534 }
 535
 536 bool
 537 TimeAxisView::name_entry_button_release (GdkEventButton *ev)
 538 {
 539         if (ev->button == 3) {
 540                 popup_display_menu (ev->time);
 541                 return true;
 542         }
 543         return false;
 544 }
 545
 546 void
 547 TimeAxisView::popup_display_menu (guint32 when)
 548 {
 549         if (display_menu == 0) {
 550                 build_display_menu ();
 551         }
 552
 553         editor.set_selected_track (*this, Selection::Add);
 554         display_menu->popup (1, when);
 555 }
 556
 557 gint
 558 TimeAxisView::size_click (GdkEventButton *ev)
 559 {
 560         editor.set_selected_track (*this, Selection::Add);
 561         popup_size_menu (ev->time);
 562         return TRUE;
 563 }
 564
 565 void
 566 TimeAxisView::popup_size_menu (guint32 when)
 567 {
 568         if (size_menu == 0) {
 569                 build_size_menu ();
 570         }
 571         size_menu->popup (1, when);
 572 }
 573
 574 void
 575 TimeAxisView::set_selected (bool yn)
 576 {
 577         if (yn == _selected) {
 578                 return;
 579         }
 580
 581         Selectable::set_selected (yn);
 582
 583         if (_selected) {
 584                 controls_ebox.set_name (controls_base_selected_name);
 585                 controls_hbox.set_name (controls_base_selected_name);
 586                 controls_vbox.set_name (controls_base_selected_name);
 587                 /* propagate any existing selection, if the mode is right */
 588
 589                 if (editor.current_mouse_mode() == Editing::MouseRange && !editor.get_selection().time.empty()) {
 590                         show_selection (editor.get_selection().time);
 591                 }
 592
 593         } else {
 594                 controls_ebox.set_name (controls_base_unselected_name);
 595                 controls_hbox.set_name (controls_base_unselected_name);
 596                 controls_vbox.set_name (controls_base_unselected_name);
 597                 hide_selection ();
 598
 599                 /* children will be set for the yn=true case. but when deselecting
 600                    the editor only has a list of top-level trackviews, so we
 601                    have to do this here.
 602                 */
 603
 604                 for (Children::iterator i = children.begin(); i != children.end(); ++i) {
 605                         (*i)->set_selected (false);
 606                 }
 607         }
 608 }
 609
 610 void
 611 TimeAxisView::build_size_menu ()
 612 {
 613         using namespace Menu_Helpers;
 614
 615         size_menu = new Menu;
 616         size_menu->set_name ("ArdourContextMenu");
 617         MenuList& items = size_menu->items();
 618
 619         items.push_back (MenuElem (_("Largest"), bind (mem_fun (*this, &TimeAxisView::set_heights), Largest)));
 620         items.push_back (MenuElem (_("Large"), bind (mem_fun (*this, &TimeAxisView::set_heights), Large)));
 621         items.push_back (MenuElem (_("Larger"), bind (mem_fun (*this, &TimeAxisView::set_heights), Larger)));
 622         items.push_back (MenuElem (_("Normal"), bind (mem_fun (*this, &TimeAxisView::set_heights), Normal)));
 623         items.push_back (MenuElem (_("Smaller"), bind (mem_fun (*this, &TimeAxisView::set_heights),Smaller)));
 624         items.push_back (MenuElem (_("Small"), bind (mem_fun (*this, &TimeAxisView::set_heights), Small)));
 625 }
 626
 627 void
 628 TimeAxisView::build_display_menu ()
 629 {
 630         using namespace Menu_Helpers;
 631
 632         display_menu = new Menu;
 633         display_menu->set_name ("ArdourContextMenu");
 634
 635         // Just let implementing classes define what goes into the manu
 636 }
 637
 638 void
 639 TimeAxisView::set_samples_per_unit (double spu)
 640 {
 641         for (Children::iterator i = children.begin(); i != children.end(); ++i) {
 642                 (*i)->set_samples_per_unit (spu);
 643         }
 644
 645         AnalysisFeatureList::const_iterator i;
 646         list<ArdourCanvas::SimpleLine*>::iterator l;
 647
 648         for (i = analysis_features.begin(), l = feature_lines.begin(); i != analysis_features.end() && l != feature_lines.end(); ++i, ++l) {
 649                 (*l)->property_x1() = editor.frame_to_pixel (*i);
 650                 (*l)->property_x2() = editor.frame_to_pixel (*i);
 651         }
 652 }
 653
 654 void
 655 TimeAxisView::show_timestretch (nframes_t start, nframes_t end)
 656 {
 657         for (Children::iterator i = children.begin(); i != children.end(); ++i) {
 658                 (*i)->show_timestretch (start, end);
 659         }
 660 }
 661
 662 void
 663 TimeAxisView::hide_timestretch ()
 664 {
 665         for (Children::iterator i = children.begin(); i != children.end(); ++i) {
 666                 (*i)->hide_timestretch ();
 667         }
 668 }
 669
 670 void
 671 TimeAxisView::show_selection (TimeSelection& ts)
 672 {
 673         double x1;
 674         double x2;
 675         double y2;
 676         SelectionRect *rect;
 677
 678         for (Children::iterator i = children.begin(); i != children.end(); ++i) {
 679                 (*i)->show_selection (ts);
 680         }
 681
 682         if (canvas_item_visible (selection_group)) {
 683                 while (!used_selection_rects.empty()) {
 684                         free_selection_rects.push_front (used_selection_rects.front());
 685                         used_selection_rects.pop_front();
 686                         free_selection_rects.front()->rect->hide();
 687                         free_selection_rects.front()->start_trim->hide();
 688                         free_selection_rects.front()->end_trim->hide();
 689                 }
 690                 selection_group->hide();
 691         }
 692
 693         selection_group->show();
 694         selection_group->raise_to_top();
 695
 696         for (list<AudioRange>::iterator i = ts.begin(); i != ts.end(); ++i) {
 697                 nframes_t start, end, cnt;
 698
 699                 start = (*i).start;
 700                 end = (*i).end;
 701                 cnt = end - start + 1;
 702
 703                 rect = get_selection_rect ((*i).id);
 704
 705                 x1 = editor.frame_to_unit (start);
 706                 x2 = editor.frame_to_unit (start + cnt - 1);
 707                 y2 = height;
 708
 709                 rect->rect->property_x1() = x1;
 710                 rect->rect->property_y1() = 1.0;
 711                 rect->rect->property_x2() = x2;
 712                 rect->rect->property_y2() = y2;
 713
 714                 // trim boxes are at the top for selections
 715
 716                 if (x2 > x1) {
 717                         rect->start_trim->property_x1() = x1;
 718                         rect->start_trim->property_y1() = 1.0;
 719                         rect->start_trim->property_x2() = x1 + trim_handle_size;
 720                         rect->start_trim->property_y2() = 1.0 + trim_handle_size;
 721
 722                         rect->end_trim->property_x1() = x2 - trim_handle_size;
 723                         rect->end_trim->property_y1() = 1.0;
 724                         rect->end_trim->property_x2() = x2;
 725                         rect->end_trim->property_y2() = 1.0 + trim_handle_size;
 726
 727                         rect->start_trim->show();
 728                         rect->end_trim->show();
 729                 } else {
 730                         rect->start_trim->hide();
 731                         rect->end_trim->hide();
 732                 }
 733
 734                 rect->rect->show ();
 735                 used_selection_rects.push_back (rect);
 736         }
 737 }
 738
 739 void
 740 TimeAxisView::reshow_selection (TimeSelection& ts)
 741 {
 742         show_selection (ts);
 743
 744         for (Children::iterator i = children.begin(); i != children.end(); ++i) {
 745                 (*i)->show_selection (ts);
 746         }
 747 }
 748
 749 void
 750 TimeAxisView::hide_selection ()
 751 {
 752         if (canvas_item_visible (selection_group)) {
 753                 while (!used_selection_rects.empty()) {
 754                         free_selection_rects.push_front (used_selection_rects.front());
 755                         used_selection_rects.pop_front();
 756                         free_selection_rects.front()->rect->hide();
 757                         free_selection_rects.front()->start_trim->hide();
 758                         free_selection_rects.front()->end_trim->hide();
 759                 }
 760                 selection_group->hide();
 761         }
 762
 763         for (Children::iterator i = children.begin(); i != children.end(); ++i) {
 764                 (*i)->hide_selection ();
 765         }
 766 }
 767
 768 void
 769 TimeAxisView::order_selection_trims (ArdourCanvas::Item *item, bool put_start_on_top)
 770 {
 771         /* find the selection rect this is for. we have the item corresponding to one
 772            of the trim handles.
 773          */
 774
 775         for (list<SelectionRect*>::iterator i = used_selection_rects.begin(); i != used_selection_rects.end(); ++i) {
 776                 if ((*i)->start_trim == item || (*i)->end_trim == item) {
 777
 778                         /* make one trim handle be "above" the other so that if they overlap,
 779                            the top one is the one last used.
 780                         */
 781
 782                         (*i)->rect->raise_to_top ();
 783                         (put_start_on_top ? (*i)->start_trim : (*i)->end_trim)->raise_to_top ();
 784                         (put_start_on_top ? (*i)->end_trim : (*i)->start_trim)->raise_to_top ();
 785
 786                         break;
 787                 }
 788         }
 789 }
 790
 791 SelectionRect *
 792 TimeAxisView::get_selection_rect (uint32_t id)
 793 {
 794         SelectionRect *rect;
 795
 796         /* check to see if we already have a visible rect for this particular selection ID */
 797
 798         for (list<SelectionRect*>::iterator i = used_selection_rects.begin(); i != used_selection_rects.end(); ++i) {
 799                 if ((*i)->id == id) {
 800                         return (*i);
 801                 }
 802         }
 803
 804         /* ditto for the free rect list */
 805
 806         for (list<SelectionRect*>::iterator i = free_selection_rects.begin(); i != free_selection_rects.end(); ++i) {
 807                 if ((*i)->id == id) {
 808                         SelectionRect* ret = (*i);
 809                         free_selection_rects.erase (i);
 810                         return ret;
 811                 }
 812         }
 813
 814         /* no existing matching rect, so go get a new one from the free list, or create one if there are none */
 815
 816         if (free_selection_rects.empty()) {
 817
 818                 rect = new SelectionRect;
 819
 820                 rect->rect = new SimpleRect (*selection_group);
 821                 rect->rect->property_x1() = 0.0;
 822                 rect->rect->property_y1() = 0.0;
 823                 rect->rect->property_x2() = 0.0;
 824                 rect->rect->property_y2() = 0.0;
 825                 rect->rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_SelectionRect.get();
 826                 rect->rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
 827
 828                 rect->start_trim = new SimpleRect (*selection_group);
 829                 rect->start_trim->property_x1() = 0.0;
 830                 rect->start_trim->property_x2() = 0.0;
 831                 rect->start_trim->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
 832                 rect->start_trim->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
 833
 834                 rect->end_trim = new SimpleRect (*selection_group);
 835                 rect->end_trim->property_x1() = 0.0;
 836                 rect->end_trim->property_x2() = 0.0;
 837                 rect->end_trim->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
 838                 rect->end_trim->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
 839
 840                 free_selection_rects.push_front (rect);
 841
 842                 rect->rect->signal_event().connect (bind (mem_fun (editor, &PublicEditor::canvas_selection_rect_event), rect->rect, rect));
 843                 rect->start_trim->signal_event().connect (bind (mem_fun (editor, &PublicEditor::canvas_selection_start_trim_event), rect->rect, rect));
 844                 rect->end_trim->signal_event().connect (bind (mem_fun (editor, &PublicEditor::canvas_selection_end_trim_event), rect->rect, rect));
 845         }
 846
 847         rect = free_selection_rects.front();
 848         rect->id = id;
 849         free_selection_rects.pop_front();
 850         return rect;
 851 }
 852
 853 struct null_deleter { void operator()(void const *) const {} };
 854
 855 bool
 856 TimeAxisView::is_child (TimeAxisView* tav)
 857 {
 858         return find (children.begin(), children.end(), boost::shared_ptr<TimeAxisView>(tav, null_deleter())) != children.end();
 859 }
 860
 861 void
 862 TimeAxisView::add_child (boost::shared_ptr<TimeAxisView> child)
 863 {
 864         children.push_back (child);
 865 }
 866
 867 void
 868 TimeAxisView::remove_child (boost::shared_ptr<TimeAxisView> child)
 869 {
 870         Children::iterator i;
 871
 872         if ((i = find (children.begin(), children.end(), child)) != children.end()) {
 873                 children.erase (i);
 874         }
 875 }
 876
 877 void
 878 TimeAxisView::get_selectables (nframes_t start, nframes_t end, double top, double bot, list<Selectable*>& result)
 879 {
 880         return;
 881 }
 882
 883 void
 884 TimeAxisView::get_inverted_selectables (Selection& sel, list<Selectable*>& result)
 885 {
 886         return;
 887 }
 888
 889 void
 890 TimeAxisView::add_ghost (RegionView* rv) {
 891         GhostRegion* gr = rv->add_ghost (*this);
 892
 893         if(gr) {
 894                 ghosts.push_back(gr);
 895                 gr->GoingAway.connect (mem_fun(*this, &TimeAxisView::erase_ghost));
 896         }
 897 }
 898
 899 void
 900 TimeAxisView::remove_ghost (RegionView* rv) {
 901         rv->remove_ghost_in (*this);
 902 }
 903
 904 void
 905 TimeAxisView::erase_ghost (GhostRegion* gr) {
 906         if(in_destructor) {
 907                 return;
 908         }
 909
 910         list<GhostRegion*>::iterator i;
 911
 912         for (i = ghosts.begin(); i != ghosts.end(); ++i) {
 913                 if ((*i) == gr) {
 914                         ghosts.erase (i);
 915                         break;
 916                 }
 917         }
 918 }
 919
 920 bool
 921 TimeAxisView::touched (double top, double bot)
 922 {
 923         /* remember: this is X Window - coordinate space starts in upper left and moves down.
 924            y_position is the "origin" or "top" of the track.
 925          */
 926
 927         double mybot = y_position + height;
 928
 929         return ((y_position <= bot && y_position >= top) ||
 930                 ((mybot <= bot) && (top < mybot)) ||
 931                 (mybot >= bot && y_position < top));
 932 }
 933
 934 void
 935 TimeAxisView::set_parent (TimeAxisView& p)
 936 {
 937         parent = &p;
 938 }
 939
 940 bool
 941 TimeAxisView::has_state () const
 942 {
 943         return _has_state;
 944 }
 945
 946 TimeAxisView*
 947 TimeAxisView::get_parent_with_state ()
 948 {
 949         if (parent == 0) {
 950                 return 0;
 951         }
 952
 953         if (parent->has_state()) {
 954                 return parent;
 955         }
 956
 957         return parent->get_parent_with_state ();
 958 }
 959
 960 void
 961 TimeAxisView::set_state (const XMLNode& node)
 962 {
 963         const XMLProperty *prop;
 964
 965         if ((prop = node.property ("track_height")) != 0) {
 966
 967                 if (prop->value() == "largest") {
 968                         set_height (Largest);
 969                 } else if (prop->value() == "large") {
 970                         set_height (Large);
 971                 } else if (prop->value() == "larger") {
 972                         set_height (Larger);
 973                 } else if (prop->value() == "normal") {
 974                         set_height (Normal);
 975                 } else if (prop->value() == "smaller") {
 976                         set_height (Smaller);
 977                 } else if (prop->value() == "small") {
 978                         set_height (Small);
 979                 } else {
 980                         error << string_compose(_("unknown track height name \"%1\" in XML GUI information"), prop->value()) << endmsg;
 981                         set_height (Normal);
 982                 }
 983
 984         } else {
 985                 set_height (Normal);
 986         }
 987 }
 988
 989 void
 990 TimeAxisView::reset_height()
 991 {
 992         set_height_pixels (height);
 993
 994         for (Children::iterator i = children.begin(); i != children.end(); ++i) {
 995                 (*i)->set_height_pixels ((TrackHeight)(*i)->height);
 996         }
 997 }
 998
 999 uint32_t
1000 TimeAxisView::height_to_pixels (TrackHeight h)
1001 {
1002         switch (h) {
1003         case Largest:
1004                 return hLargest;
1005         case Large:
1006                 return hLarge;
1007         case Larger:
1008                 return hLarger;
1009         case Normal:
1010                 return hNormal;
1011         case Smaller:
1012                 return hSmaller;
1013         case Small:
1014                 return hSmall;
1015         }
1016
1017         // what is wrong with gcc ?
1018
1019         return hNormal;
1020 }
1021
1022 void
1023 TimeAxisView::compute_controls_size_info ()
1024 {
1025         Gtk::Window window (Gtk::WINDOW_TOPLEVEL);
1026         Gtk::Table two_row_table (2, 8);
1027         Gtk::Table one_row_table (1, 8);
1028         Button* buttons[5];
1029         const int border_width = 2;
1030         const int extra_height = (2 * border_width) + 2; // 2 pixels for the controls frame
1031
1032         window.add (one_row_table);
1033
1034         one_row_table.set_border_width (border_width);
1035         one_row_table.set_row_spacings (0);
1036         one_row_table.set_col_spacings (0);
1037         one_row_table.set_homogeneous (true);
1038
1039         two_row_table.set_border_width (border_width);
1040         two_row_table.set_row_spacings (0);
1041         two_row_table.set_col_spacings (0);
1042         two_row_table.set_homogeneous (true);
1043
1044         for (int i = 0; i < 5; ++i) {
1045                 buttons[i] = manage (new Button (X_("f")));
1046                 buttons[i]->set_name ("TrackMuteButton");
1047         }
1048
1049         one_row_table.attach (*buttons[0], 6, 7, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 0, 0);
1050
1051         one_row_table.show_all ();
1052         Gtk::Requisition req(one_row_table.size_request ());
1053
1054
1055         // height required to show 1 row of buttons
1056
1057         hSmaller = req.height + extra_height;
1058
1059         window.remove ();
1060         window.add (two_row_table);
1061
1062         two_row_table.attach (*buttons[1], 5, 6, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 0, 0);
1063         two_row_table.attach (*buttons[2], 6, 7, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 0, 0);
1064         two_row_table.attach (*buttons[3], 7, 8, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 0, 0);
1065         two_row_table.attach (*buttons[4], 8, 9, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 0, 0);
1066
1067         two_row_table.show_all ();
1068         req = two_row_table.size_request ();
1069
1070         // height required to show all normal buttons
1071
1072         hNormal = req.height + extra_height;
1073
1074         // these heights are all just larger than normal. no more
1075         // elements are visible (yet).
1076
1077         hLarger = hNormal + 50;
1078         hLarge = hNormal + 150;
1079         hLargest = hNormal + 250;
1080
1081         // height required to show track name
1082
1083         hSmall = 27;
1084 }
1085
1086 void
1087 TimeAxisView::show_name_label ()
1088 {
1089         if (!(name_packing & NameLabelPacked)) {
1090                 name_hbox.pack_start (name_label, true, true);
1091                 name_packing = NamePackingBits (name_packing | NameLabelPacked);
1092                 name_hbox.show ();
1093                 name_label.show ();
1094         }
1095 }
1096
1097 void
1098 TimeAxisView::show_name_entry ()
1099 {
1100         if (!(name_packing & NameEntryPacked)) {
1101                 name_hbox.pack_start (name_entry, true, true);
1102                 name_packing = NamePackingBits (name_packing | NameEntryPacked);
1103                 name_hbox.show ();
1104                 name_entry.show ();
1105         }
1106 }
1107
1108 void
1109 TimeAxisView::hide_name_label ()
1110 {
1111         if (name_packing & NameLabelPacked) {
1112                 name_hbox.remove (name_label);
1113                 name_packing = NamePackingBits (name_packing & ~NameLabelPacked);
1114         }
1115 }
1116
1117 void
1118 TimeAxisView::hide_name_entry ()
1119 {
1120         if (name_packing & NameEntryPacked) {
1121                 name_hbox.remove (name_entry);
1122                 name_packing = NamePackingBits (name_packing & ~NameEntryPacked);
1123         }
1124 }
1125
1126 void
1127 TimeAxisView::color_handler ()
1128 {
1129         for (list<GhostRegion*>::iterator i=ghosts.begin(); i != ghosts.end(); i++ ) {
1130                 (*i)->set_colors();
1131         }
1132
1133         for (list<SelectionRect*>::iterator i = used_selection_rects.begin(); i != used_selection_rects.end(); ++i) {
1134
1135                 (*i)->rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_SelectionRect.get();
1136                 (*i)->rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
1137
1138                 (*i)->start_trim->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
1139                 (*i)->start_trim->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
1140
1141                 (*i)->end_trim->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
1142                 (*i)->end_trim->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
1143         }
1144
1145         for (list<SelectionRect*>::iterator i = free_selection_rects.begin(); i != free_selection_rects.end(); ++i) {
1146
1147                 (*i)->rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_SelectionRect.get();
1148                 (*i)->rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
1149
1150                 (*i)->start_trim->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
1151                 (*i)->start_trim->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
1152
1153                 (*i)->end_trim->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
1154                 (*i)->end_trim->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
1155         }
1156 }
1157
1158 TimeAxisView*
1159 TimeAxisView::covers_y_position (double y)
1160 {
1161         if (hidden()) {
1162                 return 0;
1163         }
1164
1165         if (y_position <= y && y < (y_position + height)) {
1166                 return this;
1167         }
1168
1169         for (Children::iterator i = children.begin(); i != children.end(); ++i) {
1170                 TimeAxisView* tv;
1171
1172                 if ((tv = (*i)->covers_y_position (y)) != 0) {
1173                         return tv;
1174                 }
1175         }
1176
1177         return 0;
1178 }
1179
1180 void
1181 TimeAxisView::show_feature_lines (const AnalysisFeatureList& pos)
1182 {
1183         analysis_features = pos;
1184         reshow_feature_lines ();
1185 }
1186
1187
1188 void
1189 TimeAxisView::hide_feature_lines ()
1190 {
1191         list<ArdourCanvas::SimpleLine*>::iterator l;
1192
1193         for (l = feature_lines.begin(); l != feature_lines.end(); ++l) {
1194                 (*l)->hide();
1195         }
1196 }
1197
1198 void
1199 TimeAxisView::reshow_feature_lines ()
1200 {
1201         while (feature_lines.size()< analysis_features.size()) {
1202                 ArdourCanvas::SimpleLine* l = new ArdourCanvas::SimpleLine (*canvas_display);
1203                 l->property_color_rgba() = (guint) ARDOUR_UI::config()->canvasvar_ZeroLine.get();
1204                 l->property_y1() = 0;
1205                 l->property_y2() = height;
1206                 feature_lines.push_back (l);
1207         }
1208
1209         while (feature_lines.size() > analysis_features.size()) {
1210                 ArdourCanvas::SimpleLine *line = feature_lines.back();
1211                 feature_lines.pop_back ();
1212                 delete line;
1213         }
1214
1215         AnalysisFeatureList::const_iterator i;
1216         list<ArdourCanvas::SimpleLine*>::iterator l;
1217
1218         for (i = analysis_features.begin(), l = feature_lines.begin(); i != analysis_features.end() && l != feature_lines.end(); ++i, ++l) {
1219                 (*l)->property_x1() = editor.frame_to_pixel (*i);
1220                 (*l)->property_x2() = editor.frame_to_pixel (*i);
1221                 (*l)->show ();
1222         }
1223 }
1224