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.h>
  28 #include <libgnomecanvasmm/canvas.h>
  29 #include <libgnomecanvasmm/item.h>
  30
  31 #include <pbd/error.h>
  32
  33 #include <gtkmm2ext/utils.h>
  34 #include <gtkmm2ext/selector.h>
  35 #include <gtkmm2ext/stop_signal.h>
  36
  37 #include <ardour/session.h>
  38 #include <ardour/utils.h>
  39 #include <ardour/ladspa_plugin.h>
  40 #include <ardour/insert.h>
  41 #include <ardour/location.h>
  42
  43 #include "ardour_ui.h"
  44 #include "public_editor.h"
  45 #include "time_axis_view.h"
  46 #include "simplerect.h"
  47 #include "selection.h"
  48 #include "keyboard.h"
  49 #include "rgb_macros.h"
  50 #include "utils.h"
  51
  52 #include "i18n.h"
  53
  54 using namespace Gtk;
  55 using namespace Gdk;
  56 using namespace sigc;
  57 using namespace ARDOUR;
  58 using namespace Editing;
  59 using namespace ArdourCanvas;
  60
  61 const double trim_handle_size = 6.0; /* pixels */
  62
  63 uint32_t TimeAxisView::hLargest = 0;
  64 uint32_t TimeAxisView::hLarge = 0;
  65 uint32_t TimeAxisView::hLarger = 0;
  66 uint32_t TimeAxisView::hNormal = 0;
  67 uint32_t TimeAxisView::hSmaller = 0;
  68 uint32_t TimeAxisView::hSmall = 0;
  69 bool TimeAxisView::need_size_info = true;
  70
  71 TimeAxisView::TimeAxisView (ARDOUR::Session& sess, PublicEditor& ed, TimeAxisView* rent, Canvas& canvas)
  72         : AxisView (sess),
  73           editor (ed),
  74           controls_table (2, 8)
  75 {
  76         if (need_size_info) {
  77                 compute_controls_size_info ();
  78                 need_size_info = false;
  79         }
  80
  81         canvas_display = new Group (*canvas.root(), 0.0, 0.0);
  82
  83         selection_group = new Group (*canvas_display);
  84         selection_group->hide();
  85
  86         control_parent = 0;
  87         display_menu = 0;
  88         size_menu = 0;
  89         _marked_for_display = false;
  90         _hidden = false;
  91         height = 0;
  92         effective_height = 0;
  93         parent = rent;
  94         _has_state = false;
  95         last_name_entry_key_press_event = 0;
  96         name_packing = NamePackingBits (0);
  97
  98         /*
  99           Create the standard LHS Controls
 100           We create the top-level container and name add the name label here,
 101           subclasses can add to the layout as required
 102         */
 103
 104         name_entry.set_name ("EditorTrackNameDisplay");
 105         name_entry.signal_button_release_event().connect (mem_fun (*this, &TimeAxisView::name_entry_button_release));
 106         name_entry.signal_button_press_event().connect (mem_fun (*this, &TimeAxisView::name_entry_button_press));
 107         name_entry.signal_key_release_event().connect (mem_fun (*this, &TimeAxisView::name_entry_key_release));
 108         name_entry.signal_activate().connect (mem_fun(*this, &TimeAxisView::name_entry_activated));
 109         name_entry.signal_focus_in_event().connect (mem_fun (*this, &TimeAxisView::name_entry_focus_in));
 110         name_entry.signal_focus_out_event().connect (mem_fun (*this, &TimeAxisView::name_entry_focus_out));
 111         Gtkmm2ext::set_size_request_to_display_given_text (name_entry, N_("gTortnam"), 10, 10); // just represents a short name
 112
 113         name_label.set_name ("TrackLabel");
 114         name_label.set_alignment (0.0, 0.5);
 115
 116         /* typically, either name_label OR name_entry are visible,
 117            but not both. its up to derived classes to show/hide them as they
 118            wish.
 119         */
 120
 121         name_hbox.show ();
 122
 123         controls_table.set_border_width (2);
 124         controls_table.set_row_spacings (0);
 125         controls_table.set_col_spacings (0);
 126         controls_table.set_homogeneous (true);
 127
 128         controls_table.attach (name_hbox, 0, 4, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
 129         controls_table.show_all ();
 130
 131         controls_vbox.pack_start (controls_table, false, false);
 132         controls_vbox.show ();
 133
 134         controls_ebox.set_name ("TimeAxisViewControlsBaseUnselected");
 135         controls_ebox.add (controls_vbox);
 136         controls_ebox.add_events (BUTTON_PRESS_MASK|BUTTON_RELEASE_MASK|SCROLL_MASK);
 137         controls_ebox.set_flags (CAN_FOCUS);
 138
 139         controls_ebox.signal_button_release_event().connect (mem_fun (*this, &TimeAxisView::controls_ebox_button_release));
 140         controls_ebox.signal_scroll_event().connect (mem_fun (*this, &TimeAxisView::controls_ebox_scroll), true);
 141
 142         controls_lhs_pad.set_name ("TimeAxisViewControlsPadding");
 143         controls_hbox.pack_start (controls_lhs_pad,false,false);
 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_OUT);
 150
 151         ColorChanged.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         effective_height = height;
 224
 225         /* now show children */
 226
 227         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 228
 229                 if ((*i)->marked_for_display()) {
 230                         (*i)->canvas_display->show();
 231                 }
 232
 233                 if (canvas_item_visible ((*i)->canvas_display)) {
 234                         ++nth;
 235                         effective_height += (*i)->show_at (y + effective_height, nth, parent);
 236                 }
 237         }
 238
 239         return effective_height;
 240 }
 241
 242 bool
 243 TimeAxisView::controls_ebox_scroll (GdkEventScroll* ev)
 244 {
 245         switch (ev->direction) {
 246         case GDK_SCROLL_UP:
 247                 if (Keyboard::modifier_state_equals (ev->state, Keyboard::Control)) {
 248                         step_height (true);
 249                         return true;
 250                 }
 251                 break;
 252
 253         case GDK_SCROLL_DOWN:
 254                 if (Keyboard::modifier_state_equals (ev->state, Keyboard::Control)) {
 255                         step_height (false);
 256                         return true;
 257                 }
 258                 break;
 259
 260         default:
 261                 /* no handling for left/right, yet */
 262                 break;
 263         }
 264
 265         return false;
 266 }
 267
 268 bool
 269 TimeAxisView::controls_ebox_button_release (GdkEventButton* ev)
 270 {
 271         switch (ev->button) {
 272         case 1:
 273                 selection_click (ev);
 274                 break;
 275
 276         case 3:
 277                 popup_display_menu (ev->time);
 278                 break;
 279         }
 280
 281         return true;
 282 }
 283
 284 void
 285 TimeAxisView::selection_click (GdkEventButton* ev)
 286 {
 287         if (Keyboard::modifier_state_contains (ev->state, Keyboard::Shift)) {
 288
 289                 if (editor.get_selection().selected (this)) {
 290                         editor.get_selection().remove (this);
 291                 } else {
 292                         editor.get_selection().add (this);
 293                 }
 294
 295         } else {
 296
 297                 editor.get_selection().set (this);
 298         }
 299 }
 300
 301 void
 302 TimeAxisView::hide ()
 303 {
 304         if (_hidden) {
 305                 return;
 306         }
 307
 308         canvas_display->hide();
 309         controls_frame.hide ();
 310
 311         if (control_parent) {
 312                 control_parent->remove (controls_frame);
 313                 control_parent = 0;
 314         }
 315
 316         y_position = -1;
 317         _hidden = true;
 318
 319         /* now hide children */
 320
 321         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 322                 (*i)->hide ();
 323         }
 324
 325         Hiding ();
 326 }
 327
 328 void
 329 TimeAxisView::step_height (bool bigger)
 330 {
 331         switch (height) {
 332         case Largest:
 333                 if (!bigger) set_height (Large);
 334                 break;
 335         case Large:
 336                 if (bigger) set_height (Largest);
 337                 else set_height (Larger);
 338                 break;
 339         case Larger:
 340                 if (bigger) set_height (Large);
 341                 else set_height (Normal);
 342                 break;
 343         case Normal:
 344                 if (bigger) set_height (Larger);
 345                 else set_height (Smaller);
 346                 break;
 347         case Smaller:
 348                 if (bigger) set_height (Normal);
 349                 else set_height (Small);
 350                 break;
 351         case Small:
 352                 if (bigger) set_height (Smaller);
 353                 break;
 354         }
 355 }
 356
 357 void
 358 TimeAxisView::set_height (TrackHeight h)
 359 {
 360         height_style = h;
 361         set_height_pixels (height_to_pixels (h));
 362 }
 363
 364 void
 365 TimeAxisView::set_height_pixels (uint32_t h)
 366 {
 367         height = h;
 368         controls_frame.set_size_request (-1, height);
 369
 370         if (canvas_item_visible (selection_group)) {
 371                 /* resize the selection rect */
 372                 show_selection (editor.get_selection().time);
 373         }
 374 }
 375
 376 bool
 377 TimeAxisView::name_entry_key_release (GdkEventKey* ev)
 378 {
 379         switch (ev->keyval) {
 380         case GDK_Tab:
 381         case GDK_Up:
 382         case GDK_Down:
 383                 name_entry_changed ();
 384                 return true;
 385
 386         default:
 387                 break;
 388         }
 389
 390 #ifdef TIMEOUT_NAME_EDIT
 391         /* adapt the timeout to reflect the user's typing speed */
 392
 393         guint32 name_entry_timeout;
 394
 395         if (last_name_entry_key_press_event) {
 396                 /* timeout is 1/2 second or 5 times their current inter-char typing speed */
 397                 name_entry_timeout = std::max (500U, (5 * (ev->time - last_name_entry_key_press_event)));
 398         } else {
 399                 /* start with a 1 second timeout */
 400                 name_entry_timeout = 1000;
 401         }
 402
 403         last_name_entry_key_press_event = ev->time;
 404
 405         /* wait 1 seconds and if no more keys are pressed, act as if they pressed enter */
 406
 407         name_entry_key_timeout.disconnect();
 408         name_entry_key_timeout = Glib::signal_timeout().connect (mem_fun (*this, &TimeAxisView::name_entry_key_timed_out), name_entry_timeout);
 409 #endif
 410
 411         return false;
 412 }
 413
 414 bool
 415 TimeAxisView::name_entry_focus_in (GdkEventFocus* ev)
 416 {
 417         name_entry.select_region (0, -1);
 418         name_entry.set_name ("EditorActiveTrackNameDisplay");
 419         return false;
 420 }
 421
 422 bool
 423 TimeAxisView::name_entry_focus_out (GdkEventFocus* ev)
 424 {
 425         /* clean up */
 426
 427         last_name_entry_key_press_event = 0;
 428         name_entry_key_timeout.disconnect ();
 429         name_entry.set_name ("EditorTrackNameDisplay");
 430
 431         /* do the real stuff */
 432
 433         name_entry_changed ();
 434
 435         return false;
 436 }
 437
 438 bool
 439 TimeAxisView::name_entry_key_timed_out ()
 440 {
 441         name_entry_activated();
 442         return false;
 443 }
 444
 445 void
 446 TimeAxisView::name_entry_activated ()
 447 {
 448         controls_ebox.grab_focus();
 449 }
 450
 451 void
 452 TimeAxisView::name_entry_changed ()
 453 {
 454 }
 455
 456 bool
 457 TimeAxisView::name_entry_button_press (GdkEventButton *ev)
 458 {
 459         if (ev->button == 3) {
 460                 return true;
 461         }
 462         return false;
 463 }
 464
 465 bool
 466 TimeAxisView::name_entry_button_release (GdkEventButton *ev)
 467 {
 468         if (ev->button == 3) {
 469                 popup_display_menu (ev->time);
 470                 return true;
 471         }
 472         return false;
 473 }
 474
 475 void
 476 TimeAxisView::popup_display_menu (guint32 when)
 477 {
 478         if (display_menu == 0) {
 479                 build_display_menu ();
 480         }
 481         display_menu->popup (1, when);
 482 }
 483
 484 gint
 485 TimeAxisView::size_click (GdkEventButton *ev)
 486 {
 487         popup_size_menu (ev->time);
 488         return TRUE;
 489 }
 490
 491 void
 492 TimeAxisView::popup_size_menu (guint32 when)
 493 {
 494         if (size_menu == 0) {
 495                 build_size_menu ();
 496         }
 497         size_menu->popup (1, when);
 498 }
 499
 500 void
 501 TimeAxisView::set_selected (bool yn)
 502 {
 503         AxisView::set_selected (yn);
 504
 505         if (_selected) {
 506                 controls_ebox.set_name (controls_base_selected_name);
 507                 controls_frame.set_name (controls_base_selected_name);
 508
 509                 /* propagate any existing selection, if the mode is right */
 510
 511                 if (editor.current_mouse_mode() == Editing::MouseRange && !editor.get_selection().time.empty()) {
 512                         show_selection (editor.get_selection().time);
 513                 }
 514
 515         } else {
 516                 controls_ebox.set_name (controls_base_unselected_name);
 517                 controls_frame.set_name (controls_base_unselected_name);
 518
 519                 hide_selection ();
 520
 521                 /* children will be set for the yn=true case. but when deselecting
 522                    the editor only has a list of top-level trackviews, so we
 523                    have to do this here.
 524                 */
 525
 526                 for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 527                         (*i)->set_selected (false);
 528                 }
 529
 530
 531         }
 532 }
 533
 534 void
 535 TimeAxisView::build_size_menu ()
 536 {
 537         using namespace Menu_Helpers;
 538
 539         size_menu = new Menu;
 540         size_menu->set_name ("ArdourContextMenu");
 541         MenuList& items = size_menu->items();
 542
 543         items.push_back (MenuElem (_("Largest"), bind (mem_fun (*this, &TimeAxisView::set_height), Largest)));
 544         items.push_back (MenuElem (_("Large"), bind (mem_fun (*this, &TimeAxisView::set_height), Large)));
 545         items.push_back (MenuElem (_("Larger"), bind (mem_fun (*this, &TimeAxisView::set_height), Larger)));
 546         items.push_back (MenuElem (_("Normal"), bind (mem_fun (*this, &TimeAxisView::set_height), Normal)));
 547         items.push_back (MenuElem (_("Smaller"), bind (mem_fun (*this, &TimeAxisView::set_height),Smaller)));
 548         items.push_back (MenuElem (_("Small"), bind (mem_fun (*this, &TimeAxisView::set_height), Small)));
 549 }
 550
 551 void
 552 TimeAxisView::build_display_menu ()
 553 {
 554         using namespace Menu_Helpers;
 555
 556         display_menu = new Menu;
 557         display_menu->set_name ("ArdourContextMenu");
 558
 559         // Just let implementing classes define what goes into the manu
 560 }
 561
 562 void
 563 TimeAxisView::set_samples_per_unit (double spu)
 564 {
 565         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 566                 (*i)->set_samples_per_unit (spu);
 567         }
 568 }
 569
 570 void
 571 TimeAxisView::show_timestretch (jack_nframes_t start, jack_nframes_t end)
 572 {
 573         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 574                 (*i)->show_timestretch (start, end);
 575         }
 576 }
 577
 578 void
 579 TimeAxisView::hide_timestretch ()
 580 {
 581         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 582                 (*i)->hide_timestretch ();
 583         }
 584 }
 585
 586 void
 587 TimeAxisView::show_selection (TimeSelection& ts)
 588 {
 589         double x1;
 590         double x2;
 591         double y2;
 592         SelectionRect *rect;
 593
 594         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 595                 (*i)->show_selection (ts);
 596         }
 597
 598         if (canvas_item_visible (selection_group)) {
 599                 while (!used_selection_rects.empty()) {
 600                         free_selection_rects.push_front (used_selection_rects.front());
 601                         used_selection_rects.pop_front();
 602                         free_selection_rects.front()->rect->hide();
 603                         free_selection_rects.front()->start_trim->hide();
 604                         free_selection_rects.front()->end_trim->hide();
 605                 }
 606                 selection_group->hide();
 607         }
 608
 609         selection_group->show();
 610         selection_group->raise_to_top();
 611
 612         for (list<AudioRange>::iterator i = ts.begin(); i != ts.end(); ++i) {
 613                 jack_nframes_t start, end, cnt;
 614
 615                 start = (*i).start;
 616                 end = (*i).end;
 617                 cnt = end - start + 1;
 618
 619                 rect = get_selection_rect ((*i).id);
 620
 621                 x1 = editor.frame_to_unit (start);
 622                 x2 = editor.frame_to_unit (start + cnt - 1);
 623                 y2 = height;
 624
 625                 rect->rect->property_x1() = x1;
 626                 rect->rect->property_y1() = 1.0;
 627                 rect->rect->property_x2() = x2;
 628                 rect->rect->property_y2() = y2;
 629
 630                 // trim boxes are at the top for selections
 631
 632                 if (x2 > x1) {
 633                         rect->start_trim->property_x1() = x1;
 634                         rect->start_trim->property_y1() = 1.0;
 635                         rect->start_trim->property_x2() = x1 + trim_handle_size;
 636                         rect->start_trim->property_y2() = 1.0 + trim_handle_size;
 637
 638                         rect->end_trim->property_x1() = x2 - trim_handle_size;
 639                         rect->end_trim->property_y1() = 1.0;
 640                         rect->end_trim->property_x2() = x2;
 641                         rect->end_trim->property_y2() = 1.0 + trim_handle_size;
 642
 643                         rect->start_trim->show();
 644                         rect->end_trim->show();
 645                 } else {
 646                         rect->start_trim->hide();
 647                         rect->end_trim->hide();
 648                 }
 649
 650                 rect->rect->show ();
 651                 used_selection_rects.push_back (rect);
 652         }
 653 }
 654
 655 void
 656 TimeAxisView::reshow_selection (TimeSelection& ts)
 657 {
 658         cerr << name() << ": reshow selection" << endl;
 659
 660         show_selection (ts);
 661
 662         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 663                 (*i)->show_selection (ts);
 664         }
 665 }
 666
 667 void
 668 TimeAxisView::hide_selection ()
 669 {
 670         if (canvas_item_visible (selection_group)) {
 671                 while (!used_selection_rects.empty()) {
 672                         free_selection_rects.push_front (used_selection_rects.front());
 673                         used_selection_rects.pop_front();
 674                         free_selection_rects.front()->rect->hide();
 675                         free_selection_rects.front()->start_trim->hide();
 676                         free_selection_rects.front()->end_trim->hide();
 677                 }
 678                 selection_group->hide();
 679         }
 680
 681         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 682                 (*i)->hide_selection ();
 683         }
 684 }
 685
 686 void
 687 TimeAxisView::order_selection_trims (ArdourCanvas::Item *item, bool put_start_on_top)
 688 {
 689         /* find the selection rect this is for. we have the item corresponding to one
 690            of the trim handles.
 691          */
 692
 693         for (list<SelectionRect*>::iterator i = used_selection_rects.begin(); i != used_selection_rects.end(); ++i) {
 694                 if ((*i)->start_trim == item || (*i)->end_trim == item) {
 695
 696                         /* make one trim handle be "above" the other so that if they overlap,
 697                            the top one is the one last used.
 698                         */
 699
 700                         (*i)->rect->raise_to_top ();
 701                         (put_start_on_top ? (*i)->start_trim : (*i)->end_trim)->raise_to_top ();
 702                         (put_start_on_top ? (*i)->end_trim : (*i)->start_trim)->raise_to_top ();
 703
 704                         break;
 705                 }
 706         }
 707 }
 708
 709 SelectionRect *
 710 TimeAxisView::get_selection_rect (uint32_t id)
 711 {
 712         SelectionRect *rect;
 713
 714         /* check to see if we already have a visible rect for this particular selection ID */
 715
 716         for (list<SelectionRect*>::iterator i = used_selection_rects.begin(); i != used_selection_rects.end(); ++i) {
 717                 if ((*i)->id == id) {
 718                         return (*i);
 719                 }
 720         }
 721
 722         /* ditto for the free rect list */
 723
 724         for (list<SelectionRect*>::iterator i = free_selection_rects.begin(); i != free_selection_rects.end(); ++i) {
 725                 if ((*i)->id == id) {
 726                         free_selection_rects.erase (i);
 727                         return (*i);
 728                 }
 729         }
 730
 731         /* no existing matching rect, so go get a new one from the free list, or create one if there are none */
 732
 733         if (free_selection_rects.empty()) {
 734
 735                 rect = new SelectionRect;
 736
 737                 rect->rect = new SimpleRect (*selection_group);
 738                 rect->rect->property_x1() = 0.0;
 739                 rect->rect->property_y1() = 0.0;
 740                 rect->rect->property_x2() = 0.0;
 741                 rect->rect->property_y2() = 0.0;
 742                 rect->rect->property_fill_color_rgba() = color_map[cSelectionRectFill];
 743                 rect->rect->property_outline_color_rgba() = color_map[cSelectionRectOutline];
 744
 745                 rect->start_trim = new SimpleRect (*selection_group);
 746                 rect->start_trim->property_x1() = 0.0;
 747                 rect->start_trim->property_x2() = 0.0;
 748                 rect->start_trim->property_fill_color_rgba() = color_map[cSelectionStartFill];
 749                 rect->start_trim->property_outline_color_rgba() = color_map[cSelectionStartOutline];
 750
 751                 rect->end_trim = new SimpleRect (*selection_group);
 752                 rect->end_trim->property_x1() = 0.0;
 753                 rect->end_trim->property_x2() = 0.0;
 754                 rect->end_trim->property_fill_color_rgba() = color_map[cSelectionEndFill];
 755                 rect->end_trim->property_outline_color_rgba() = color_map[cSelectionEndOutline];
 756
 757                 free_selection_rects.push_front (rect);
 758
 759                 rect->rect->signal_event().connect (bind (mem_fun (editor, &PublicEditor::canvas_selection_rect_event), rect->rect, rect));
 760                 rect->start_trim->signal_event().connect (bind (mem_fun (editor, &PublicEditor::canvas_selection_start_trim_event), rect->rect, rect));
 761                 rect->end_trim->signal_event().connect (bind (mem_fun (editor, &PublicEditor::canvas_selection_end_trim_event), rect->rect, rect));
 762         }
 763
 764         rect = free_selection_rects.front();
 765         rect->id = id;
 766         free_selection_rects.pop_front();
 767         return rect;
 768 }
 769
 770 bool
 771 TimeAxisView::is_child (TimeAxisView* tav)
 772 {
 773         return find (children.begin(), children.end(), tav) != children.end();
 774 }
 775
 776 void
 777 TimeAxisView::add_child (TimeAxisView* child)
 778 {
 779         children.push_back (child);
 780 }
 781
 782 void
 783 TimeAxisView::remove_child (TimeAxisView* child)
 784 {
 785         vector<TimeAxisView*>::iterator i;
 786
 787         if ((i = find (children.begin(), children.end(), child)) != children.end()) {
 788                 children.erase (i);
 789         }
 790 }
 791
 792 void
 793 TimeAxisView::get_selectables (jack_nframes_t start, jack_nframes_t end, double top, double bot, list<Selectable*>& result)
 794 {
 795         return;
 796 }
 797
 798 void
 799 TimeAxisView::get_inverted_selectables (Selection& sel, list<Selectable*>& result)
 800 {
 801         return;
 802 }
 803
 804 bool
 805 TimeAxisView::touched (double top, double bot)
 806 {
 807         /* remember: this is X Window - coordinate space starts in upper left and moves down.
 808            y_position is the "origin" or "top" of the track.
 809          */
 810
 811         double mybot = y_position + height; // XXX need to include Editor::track_spacing;
 812
 813         return ((y_position <= bot && y_position >= top) ||
 814                 ((mybot <= bot) && (top < mybot)) ||
 815                 (mybot >= bot && y_position < top));
 816 }
 817
 818 void
 819 TimeAxisView::set_parent (TimeAxisView& p)
 820 {
 821         parent = &p;
 822 }
 823
 824 bool
 825 TimeAxisView::has_state () const
 826 {
 827         return _has_state;
 828 }
 829
 830 TimeAxisView*
 831 TimeAxisView::get_parent_with_state ()
 832 {
 833         if (parent == 0) {
 834                 return 0;
 835         }
 836
 837         if (parent->has_state()) {
 838                 return parent;
 839         }
 840
 841         return parent->get_parent_with_state ();
 842 }
 843
 844 void
 845 TimeAxisView::set_state (const XMLNode& node)
 846 {
 847         const XMLProperty *prop;
 848
 849         if ((prop = node.property ("track_height")) != 0) {
 850
 851                 if (prop->value() == "largest") {
 852                         set_height (Largest);
 853                 } else if (prop->value() == "large") {
 854                         set_height (Large);
 855                 } else if (prop->value() == "larger") {
 856                         set_height (Larger);
 857                 } else if (prop->value() == "normal") {
 858                         set_height (Normal);
 859                 } else if (prop->value() == "smaller") {
 860                         set_height (Smaller);
 861                 } else if (prop->value() == "small") {
 862                         set_height (Small);
 863                 } else {
 864                         error << string_compose(_("unknown track height name \"%1\" in XML GUI information"), prop->value()) << endmsg;
 865                         set_height (Normal);
 866                 }
 867
 868         } else {
 869                 set_height (Normal);
 870         }
 871 }
 872
 873 void
 874 TimeAxisView::reset_height()
 875 {
 876         set_height_pixels (height);
 877
 878         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 879                 (*i)->set_height ((TrackHeight)(*i)->height);
 880         }
 881 }
 882
 883 uint32_t
 884 TimeAxisView::height_to_pixels (TrackHeight h)
 885 {
 886         switch (h) {
 887         case Largest:
 888                 return hLargest;
 889         case Large:
 890                 return hLarge;
 891         case Larger:
 892                 return hLarger;
 893         case Normal:
 894                 return hNormal;
 895         case Smaller:
 896                 return hSmaller;
 897         case Small:
 898                 return hSmall;
 899         }
 900
 901         // what is wrong with gcc ?
 902
 903         return hNormal;
 904 }
 905
 906 void
 907 TimeAxisView::compute_controls_size_info ()
 908 {
 909         Gtk::Window window (Gtk::WINDOW_TOPLEVEL);
 910         Gtk::Table two_row_table (2, 8);
 911         Gtk::Table one_row_table (1, 8);
 912         Button* buttons[5];
 913
 914         window.add (one_row_table);
 915
 916         one_row_table.set_border_width (2);
 917         one_row_table.set_row_spacings (0);
 918         one_row_table.set_col_spacings (0);
 919         one_row_table.set_homogeneous (true);
 920
 921         two_row_table.set_border_width (2);
 922         two_row_table.set_row_spacings (0);
 923         two_row_table.set_col_spacings (0);
 924         two_row_table.set_homogeneous (true);
 925
 926         for (int i = 0; i < 5; ++i) {
 927                 buttons[i] = manage (new Button (X_("f")));
 928                 buttons[i]->set_name ("TrackMuteButton");
 929         }
 930
 931         Gtk::Requisition req;
 932
 933         one_row_table.attach (*buttons[0], 6, 7, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 0, 0);
 934
 935         one_row_table.show_all ();
 936         one_row_table.size_request (req);
 937
 938         // height required to show 1 row of buttons
 939
 940         hSmaller = req.height + 3;
 941
 942         window.remove ();
 943         window.add (two_row_table);
 944
 945         two_row_table.attach (*buttons[1], 5, 6, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 0, 0);
 946         two_row_table.attach (*buttons[2], 6, 7, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 0, 0);
 947         two_row_table.attach (*buttons[3], 7, 8, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 0, 0);
 948         two_row_table.attach (*buttons[4], 8, 9, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 0, 0);
 949
 950         two_row_table.show_all ();
 951         two_row_table.size_request (req);
 952
 953         // height required to show all normal buttons
 954
 955         hNormal = req.height + 3;
 956
 957         // these heights are all just larger than normal. no more
 958         // elements are visible (yet).
 959
 960         hLarger = hNormal + 50;
 961         hLarge = hNormal + 150;
 962         hLargest = hNormal + 250;
 963
 964         // height required to show track name
 965
 966         hSmall = 27;
 967 }
 968
 969 void
 970 TimeAxisView::show_name_label ()
 971 {
 972         if (!(name_packing & NameLabelPacked)) {
 973                 name_hbox.pack_start (name_label, true, true);
 974                 name_packing = NamePackingBits (name_packing | NameLabelPacked);
 975                 name_hbox.show ();
 976                 name_label.show ();
 977         }
 978 }
 979
 980 void
 981 TimeAxisView::show_name_entry ()
 982 {
 983         if (!(name_packing & NameEntryPacked)) {
 984                 name_hbox.pack_start (name_entry, true, true);
 985                 name_packing = NamePackingBits (name_packing | NameEntryPacked);
 986                 name_hbox.show ();
 987                 name_entry.show ();
 988         }
 989 }
 990
 991 void
 992 TimeAxisView::hide_name_label ()
 993 {
 994         if (name_packing & NameLabelPacked) {
 995                 name_hbox.remove (name_label);
 996                 name_packing = NamePackingBits (name_packing & ~NameLabelPacked);
 997         }
 998 }
 999
1000 void
1001 TimeAxisView::hide_name_entry ()
1002 {
1003         if (name_packing & NameEntryPacked) {
1004                 name_hbox.remove (name_entry);
1005                 name_packing = NamePackingBits (name_packing & ~NameEntryPacked);
1006         }
1007 }
1008
1009 void
1010 TimeAxisView::color_handler (ColorID id, uint32_t val)
1011 {
1012         switch (id) {
1013         case cSelectionRectFill:
1014                 break;
1015         case cSelectionRectOutline:
1016                 break;
1017         case cSelectionStartFill:
1018                 break;
1019         case cSelectionStartOutline:
1020                 break;
1021         case cSelectionEndFill:
1022                 break;
1023         case cSelectionEndOutline:
1024                 break;
1025         default:
1026                 break;
1027         }
1028 }