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 #include "pbd/convert.h"
  32
  33 #include <gtkmm2ext/utils.h>
  34 #include <gtkmm2ext/selector.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 "global_signals.h"
  44 #include "gui_thread.h"
  45 #include "public_editor.h"
  46 #include "time_axis_view.h"
  47 #include "region_view.h"
  48 #include "ghostregion.h"
  49 #include "simplerect.h"
  50 #include "simpleline.h"
  51 #include "selection.h"
  52 #include "keyboard.h"
  53 #include "rgb_macros.h"
  54 #include "utils.h"
  55 #include "streamview.h"
  56 #include "editor_drag.h"
  57
  58 #include "i18n.h"
  59
  60 using namespace std;
  61 using namespace Gtk;
  62 using namespace Gdk;
  63 using namespace ARDOUR;
  64 using namespace PBD;
  65 using namespace Editing;
  66 using namespace ArdourCanvas;
  67 using Gtkmm2ext::Keyboard;
  68
  69 const double trim_handle_size = 6.0; /* pixels */
  70 uint32_t TimeAxisView::extra_height;
  71 uint32_t TimeAxisView::small_height;
  72 int const TimeAxisView::_max_order = 512;
  73 PBD::Signal1<void,TimeAxisView*> TimeAxisView::CatchDeletion;
  74
  75 TimeAxisView::TimeAxisView (ARDOUR::Session* sess, PublicEditor& ed, TimeAxisView* rent, Canvas& /*canvas*/)
  76         : AxisView (sess)
  77         , controls_table (2, 8)
  78         , _size_menu (0)
  79         , _y_position (0)
  80         , _editor (ed)
  81         , _order (0)
  82         , _preresize_cursor (0)
  83         , _have_preresize_cursor (false)
  84         , _ghost_group (0)
  85 {
  86         if (extra_height == 0) {
  87                 compute_heights ();
  88         }
  89
  90         _canvas_background = new Group (*ed.get_background_group (), 0.0, 0.0);
  91         _canvas_display = new Group (*ed.get_trackview_group (), 0.0, 0.0);
  92         _canvas_display->hide(); // reveal as needed
  93
  94         selection_group = new Group (*_canvas_display);
  95         selection_group->set_data (X_("timeselection"), (void *) 1);
  96         selection_group->hide();
  97
  98         _ghost_group = new Group (*_canvas_display);
  99         _ghost_group->lower_to_bottom();
 100         _ghost_group->show();
 101
 102         control_parent = 0;
 103         display_menu = 0;
 104         _hidden = false;
 105         in_destructor = false;
 106         height = 0;
 107         _effective_height = 0;
 108         parent = rent;
 109         last_name_entry_key_press_event = 0;
 110         name_packing = NamePackingBits (0);
 111         _resize_drag_start = -1;
 112
 113         /*
 114           Create the standard LHS Controls
 115           We create the top-level container and name add the name label here,
 116           subclasses can add to the layout as required
 117         */
 118
 119         name_entry.set_name ("EditorTrackNameDisplay");
 120         name_entry.signal_button_release_event().connect (sigc::mem_fun (*this, &TimeAxisView::name_entry_button_release));
 121         name_entry.signal_button_press_event().connect (sigc::mem_fun (*this, &TimeAxisView::name_entry_button_press));
 122         name_entry.signal_key_release_event().connect (sigc::mem_fun (*this, &TimeAxisView::name_entry_key_release));
 123         name_entry.signal_activate().connect (sigc::mem_fun(*this, &TimeAxisView::name_entry_activated));
 124         name_entry.signal_focus_in_event().connect (sigc::mem_fun (*this, &TimeAxisView::name_entry_focus_in));
 125         name_entry.signal_focus_out_event().connect (sigc::mem_fun (*this, &TimeAxisView::name_entry_focus_out));
 126         Gtkmm2ext::set_size_request_to_display_given_text (name_entry, N_("gTortnam"), 10, 10); // just represents a short name
 127
 128         name_label.set_name ("TrackLabel");
 129         name_label.set_alignment (0.0, 0.5);
 130
 131         /* typically, either name_label OR name_entry are visible,
 132            but not both. its up to derived classes to show/hide them as they
 133            wish.
 134         */
 135
 136         name_hbox.show ();
 137
 138         controls_table.set_size_request (200);
 139         controls_table.set_row_spacings (0);
 140         controls_table.set_col_spacings (0);
 141         controls_table.set_homogeneous (true);
 142
 143         controls_table.attach (name_hbox, 0, 5, 0, 1,  Gtk::FILL|Gtk::EXPAND,  Gtk::FILL|Gtk::EXPAND, 3, 0);
 144         controls_table.show_all ();
 145         controls_table.set_no_show_all ();
 146
 147         HSeparator* separator = manage (new HSeparator());
 148
 149         controls_vbox.pack_start (controls_table, false, false);
 150         controls_vbox.show ();
 151
 152         //controls_ebox.set_name ("TimeAxisViewControlsBaseUnselected");
 153         controls_ebox.add (controls_vbox);
 154         controls_ebox.add_events (Gdk::BUTTON_PRESS_MASK|
 155                                   Gdk::BUTTON_RELEASE_MASK|
 156                                   Gdk::POINTER_MOTION_MASK|
 157                                   Gdk::ENTER_NOTIFY_MASK|
 158                                   Gdk::LEAVE_NOTIFY_MASK|
 159                                   Gdk::SCROLL_MASK);
 160         controls_ebox.set_flags (CAN_FOCUS);
 161
 162         controls_ebox.signal_scroll_event().connect (sigc::mem_fun (*this, &TimeAxisView::controls_ebox_scroll), true);
 163         controls_ebox.signal_button_press_event().connect (sigc::mem_fun (*this, &TimeAxisView::controls_ebox_button_press));
 164         controls_ebox.signal_button_release_event().connect (sigc::mem_fun (*this, &TimeAxisView::controls_ebox_button_release));
 165         controls_ebox.signal_motion_notify_event().connect (sigc::mem_fun (*this, &TimeAxisView::controls_ebox_motion));
 166         controls_ebox.signal_leave_notify_event().connect (sigc::mem_fun (*this, &TimeAxisView::controls_ebox_leave));
 167         controls_ebox.show ();
 168
 169         controls_hbox.pack_start (controls_ebox, true, true);
 170         controls_hbox.show ();
 171
 172         time_axis_vbox.pack_start (controls_hbox, true, true);
 173         time_axis_vbox.pack_end (*separator, false, false);
 174         time_axis_vbox.show();
 175
 176         ColorsChanged.connect (sigc::mem_fun (*this, &TimeAxisView::color_handler));
 177
 178         GhostRegion::CatchDeletion.connect (*this, invalidator (*this), ui_bind (&TimeAxisView::erase_ghost, this, _1), gui_context());
 179 }
 180
 181 TimeAxisView::~TimeAxisView()
 182 {
 183         in_destructor = true;
 184
 185         for (list<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
 186                 delete *i;
 187         }
 188
 189         for (list<SelectionRect*>::iterator i = free_selection_rects.begin(); i != free_selection_rects.end(); ++i) {
 190                 delete (*i)->rect;
 191                 delete (*i)->start_trim;
 192                 delete (*i)->end_trim;
 193
 194         }
 195
 196         for (list<SelectionRect*>::iterator i = used_selection_rects.begin(); i != used_selection_rects.end(); ++i) {
 197                 delete (*i)->rect;
 198                 delete (*i)->start_trim;
 199                 delete (*i)->end_trim;
 200         }
 201
 202         delete selection_group;
 203         selection_group = 0;
 204
 205         delete _canvas_background;
 206         _canvas_background = 0;
 207
 208         delete _canvas_display;
 209         _canvas_display = 0;
 210
 211         delete display_menu;
 212         display_menu = 0;
 213
 214         delete _size_menu;
 215 }
 216
 217 void
 218 TimeAxisView::hide ()
 219 {
 220         if (_hidden) {
 221                 return;
 222         }
 223
 224         _canvas_display->hide ();
 225         _canvas_background->hide ();
 226
 227         if (control_parent) {
 228                 control_parent->remove (time_axis_vbox);
 229                 control_parent = 0;
 230         }
 231
 232         _y_position = -1;
 233         _hidden = true;
 234
 235         /* now hide children */
 236
 237         for (Children::iterator i = children.begin(); i != children.end(); ++i) {
 238                 (*i)->hide ();
 239         }
 240
 241         /* if its hidden, it cannot be selected */
 242         _editor.get_selection().remove (this);
 243         /* and neither can its regions */
 244         _editor.get_selection().remove_regions (this);
 245
 246         Hiding ();
 247 }
 248
 249 /** Display this TimeAxisView as the nth component of the parent box, at y.
 250 *
 251 * @param y y position.
 252 * @param nth index for this TimeAxisView, increased if this view has children.
 253 * @param parent parent component.
 254 * @return height of this TimeAxisView.
 255 */
 256 guint32
 257 TimeAxisView::show_at (double y, int& nth, VBox *parent)
 258 {
 259         if (control_parent) {
 260                 control_parent->reorder_child (time_axis_vbox, nth);
 261         } else {
 262                 control_parent = parent;
 263                 parent->pack_start (time_axis_vbox, false, false);
 264                 parent->reorder_child (time_axis_vbox, nth);
 265         }
 266
 267         _order = nth;
 268
 269         if (_y_position != y) {
 270                 _canvas_display->property_y () = y;
 271                 _canvas_background->property_y () = y;
 272                 /* silly canvas */
 273                 _canvas_display->move (0.0, 0.0);
 274                 _canvas_background->move (0.0, 0.0);
 275                 _y_position = y;
 276
 277         }
 278
 279         _canvas_background->raise_to_top ();
 280         _canvas_display->raise_to_top ();
 281
 282         _canvas_background->show ();
 283         _canvas_display->show ();
 284
 285         _hidden = false;
 286
 287         _effective_height = current_height ();
 288
 289         /* now show relevant children */
 290
 291         for (Children::iterator i = children.begin(); i != children.end(); ++i) {
 292                 if ((*i)->marked_for_display()) {
 293                         ++nth;
 294                         _effective_height += (*i)->show_at (y + _effective_height, nth, parent);
 295                 } else {
 296                         (*i)->hide ();
 297                 }
 298         }
 299
 300         return _effective_height;
 301 }
 302
 303 void
 304 TimeAxisView::clip_to_viewport ()
 305 {
 306         if (marked_for_display()) {
 307                 if (_y_position + _effective_height < _editor.get_trackview_group_vertical_offset () || _y_position > _editor.get_trackview_group_vertical_offset () + _canvas_display->get_canvas()->get_height()) {
 308                         _canvas_background->hide ();
 309                         _canvas_display->hide ();
 310                         return;
 311                 }
 312                 _canvas_background->show ();
 313                 _canvas_display->show ();
 314         }
 315         return;
 316 }
 317
 318 bool
 319 TimeAxisView::controls_ebox_scroll (GdkEventScroll* ev)
 320 {
 321         if (Keyboard::some_magic_widget_has_focus()) {
 322                 return false;
 323         }
 324
 325         switch (ev->direction) {
 326         case GDK_SCROLL_UP:
 327                 if (Keyboard::modifier_state_equals (ev->state, Keyboard::TertiaryModifier)) {
 328                         step_height (false);
 329                         return true;
 330                 } else if (Keyboard::no_modifiers_active (ev->state)) {
 331                         _editor.scroll_tracks_up_line();
 332                         return true;
 333                 }
 334                 break;
 335
 336         case GDK_SCROLL_DOWN:
 337                 if (Keyboard::modifier_state_equals (ev->state, Keyboard::TertiaryModifier)) {
 338                         step_height (true);
 339                         return true;
 340                 } else if (Keyboard::no_modifiers_active (ev->state)) {
 341                         _editor.scroll_tracks_down_line();
 342                         return true;
 343                 }
 344                 break;
 345
 346         default:
 347                 /* no handling for left/right, yet */
 348                 break;
 349         }
 350
 351         return false;
 352 }
 353
 354 bool
 355 TimeAxisView::controls_ebox_button_press (GdkEventButton* event)
 356 {
 357         if (maybe_set_cursor (event->y) > 0) {
 358                 _resize_drag_start = event->y_root;
 359         }
 360
 361         return true;
 362 }
 363
 364 void
 365 TimeAxisView::idle_resize (uint32_t h)
 366 {
 367         set_height (h);
 368 }
 369
 370
 371 bool
 372 TimeAxisView::controls_ebox_motion (GdkEventMotion* ev)
 373 {
 374         if (_resize_drag_start >= 0) {
 375                 /* (ab)use the DragManager to do autoscrolling; adjust the event coordinates
 376                    into the world coordinate space that DragManager::motion_handler is expecting,
 377                    and then fake a DragManager motion event so that when maybe_autoscroll
 378                    asks DragManager for the current pointer position it will get the correct
 379                    answers.
 380                 */
 381                 int tx, ty;
 382                 controls_ebox.translate_coordinates (*control_parent, ev->x, ev->y, tx, ty);
 383                 ev->y = ty - _editor.get_trackview_group_vertical_offset();
 384                 _editor.drags()->motion_handler ((GdkEvent *) ev, false);
 385                 _editor.maybe_autoscroll (false, true);
 386
 387                 /* now do the actual TAV resize */
 388                 int32_t const delta = (int32_t) floor (ev->y_root - _resize_drag_start);
 389                 _editor.add_to_idle_resize (this, delta);
 390                 _resize_drag_start = ev->y_root;
 391         } else {
 392                 /* not dragging but ... */
 393                 maybe_set_cursor (ev->y);
 394         }
 395
 396         return true;
 397 }
 398
 399 bool
 400 TimeAxisView::controls_ebox_leave (GdkEventCrossing* ev)
 401 {
 402         if (_have_preresize_cursor) {
 403                 gdk_window_set_cursor (controls_ebox.get_window()->gobj(), _preresize_cursor);
 404                 _have_preresize_cursor = false;
 405         }
 406         return true;
 407 }
 408
 409 bool
 410 TimeAxisView::maybe_set_cursor (int y)
 411 {
 412         /* XXX no Gtkmm Gdk::Window::get_cursor() */
 413         Glib::RefPtr<Gdk::Window> win = controls_ebox.get_window();
 414
 415         if (y > (gint) floor (controls_ebox.get_height() * 0.75)) {
 416
 417                 /* y-coordinate in lower 25% */
 418
 419                 if (!_have_preresize_cursor) {
 420                         _preresize_cursor = gdk_window_get_cursor (win->gobj());
 421                         _have_preresize_cursor = true;
 422                         win->set_cursor (Gdk::Cursor(Gdk::SB_V_DOUBLE_ARROW));
 423                 }
 424
 425                 return 1;
 426
 427         } else if (_have_preresize_cursor) {
 428                 gdk_window_set_cursor (win->gobj(), _preresize_cursor);
 429                 _have_preresize_cursor = false;
 430
 431                 return -1;
 432         }
 433
 434         return 0;
 435 }
 436
 437 bool
 438 TimeAxisView::controls_ebox_button_release (GdkEventButton* ev)
 439 {
 440         if (_resize_drag_start >= 0) {
 441                 if (_have_preresize_cursor) {
 442                         gdk_window_set_cursor (controls_ebox.get_window()->gobj(), _preresize_cursor);
 443                         _preresize_cursor = 0;
 444                         _have_preresize_cursor = false;
 445                 }
 446                 _editor.stop_canvas_autoscroll ();
 447                 _resize_drag_start = -1;
 448         }
 449
 450         switch (ev->button) {
 451         case 1:
 452                 selection_click (ev);
 453                 break;
 454
 455         case 3:
 456                 popup_display_menu (ev->time);
 457                 break;
 458         }
 459
 460         return true;
 461 }
 462
 463 void
 464 TimeAxisView::selection_click (GdkEventButton* ev)
 465 {
 466         Selection::Operation op = ArdourKeyboard::selection_type (ev->state);
 467         _editor.set_selected_track (*this, op, false);
 468 }
 469
 470
 471 /** Steps through the defined heights for this TrackView.
 472  *  @param coarser true if stepping should decrease in size, otherwise false.
 473  */
 474 void
 475 TimeAxisView::step_height (bool coarser)
 476 {
 477         static const uint32_t step = 25;
 478
 479         if (coarser) {
 480
 481                 if (height <= preset_height (HeightSmall)) {
 482                         return;
 483                 } else if (height <= preset_height (HeightNormal) && height > preset_height (HeightSmall)) {
 484                         set_height_enum (HeightSmall);
 485                 } else {
 486                         set_height (height - step);
 487                 }
 488
 489         } else {
 490
 491                 if (height <= preset_height(HeightSmall)) {
 492                         set_height_enum (HeightNormal);
 493                 } else {
 494                         set_height (height + step);
 495                 }
 496
 497         }
 498 }
 499
 500 void
 501 TimeAxisView::set_heights (uint32_t h)
 502 {
 503         TrackSelection& ts (_editor.get_selection().tracks);
 504
 505         for (TrackSelection::iterator i = ts.begin(); i != ts.end(); ++i) {
 506                 (*i)->set_height (h);
 507         }
 508 }
 509
 510 void
 511 TimeAxisView::set_height_enum (Height h, bool apply_to_selection)
 512 {
 513         if (apply_to_selection) {
 514                 _editor.get_selection().tracks.foreach_time_axis (boost::bind (&TimeAxisView::set_height_enum, _1, h, false));
 515         } else {
 516                 set_height (preset_height (h));
 517         }
 518 }
 519
 520 void
 521 TimeAxisView::set_height (uint32_t h)
 522 {
 523         if (h < preset_height (HeightSmall)) {
 524                 h = preset_height (HeightSmall);
 525         }
 526
 527         time_axis_vbox.property_height_request () = h;
 528         height = h;
 529
 530         char buf[32];
 531         snprintf (buf, sizeof (buf), "%u", height);
 532         set_gui_property ("height", buf);
 533
 534         for (list<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
 535                 (*i)->set_height ();
 536         }
 537
 538         if (canvas_item_visible (selection_group)) {
 539                 /* resize the selection rect */
 540                 show_selection (_editor.get_selection().time);
 541         }
 542 }
 543
 544 bool
 545 TimeAxisView::name_entry_key_release (GdkEventKey* ev)
 546 {
 547         TrackViewList::iterator i;
 548
 549         switch (ev->keyval) {
 550         case GDK_Escape:
 551                 name_entry.select_region (0,0);
 552                 controls_ebox.grab_focus ();
 553                 name_entry_changed ();
 554                 return true;
 555
 556         /* Shift+Tab Keys Pressed. Note that for Shift+Tab, GDK actually
 557          * generates a different ev->keyval, rather than setting
 558          * ev->state.
 559          */
 560         case GDK_ISO_Left_Tab:
 561         case GDK_Tab:
 562         {
 563                 name_entry_changed ();
 564                 TrackViewList const & allviews = _editor.get_track_views ();
 565                 TrackViewList::const_iterator i = find (allviews.begin(), allviews.end(), this);
 566
 567                 if (ev->keyval == GDK_Tab) {
 568                         if (i != allviews.end()) {
 569                                 do {
 570                                         if (++i == allviews.end()) {
 571                                                 return true;
 572                                         }
 573
 574                                         RouteTimeAxisView* rtav = dynamic_cast<RouteTimeAxisView*>(*i);
 575
 576                                         if (rtav && rtav->route()->record_enabled()) {
 577                                                 continue;
 578                                         }
 579
 580                                         if (!(*i)->hidden()) {
 581                                                 break;
 582                                         }
 583
 584                                 } while (true);
 585                         }
 586                 } else {
 587                         if (i != allviews.begin()) {
 588                                 do {
 589                                         if (i == allviews.begin()) {
 590                                                 return true;
 591                                         }
 592
 593                                         --i;
 594
 595                                         RouteTimeAxisView* rtav = dynamic_cast<RouteTimeAxisView*>(*i);
 596
 597                                         if (rtav && rtav->route()->record_enabled()) {
 598                                                 continue;
 599                                         }
 600
 601                                         if (!(*i)->hidden()) {
 602                                                 break;
 603                                         }
 604
 605                                 } while (true);
 606                         }
 607                 }
 608
 609                 if ((i != allviews.end()) && (*i != this) && !(*i)->hidden()) {
 610                         (*i)->name_entry.grab_focus();
 611                         _editor.ensure_time_axis_view_is_visible (**i);
 612                 }
 613         }
 614         return true;
 615
 616         case GDK_Up:
 617         case GDK_Down:
 618                 name_entry_changed ();
 619                 return true;
 620
 621         default:
 622                 break;
 623         }
 624
 625 #ifdef TIMEOUT_NAME_EDIT
 626         /* adapt the timeout to reflect the user's typing speed */
 627
 628         guint32 name_entry_timeout;
 629
 630         if (last_name_entry_key_press_event) {
 631                 /* timeout is 1/2 second or 5 times their current inter-char typing speed */
 632                 name_entry_timeout = std::max (500U, (5 * (ev->time - last_name_entry_key_press_event)));
 633         } else {
 634                 /* start with a 1 second timeout */
 635                 name_entry_timeout = 1000;
 636         }
 637
 638         last_name_entry_key_press_event = ev->time;
 639
 640         /* wait 1 seconds and if no more keys are pressed, act as if they pressed enter */
 641
 642         name_entry_key_timeout.disconnect();
 643         name_entry_key_timeout = Glib::signal_timeout().connect (sigc::mem_fun (*this, &TimeAxisView::name_entry_key_timed_out), name_entry_timeout);
 644 #endif
 645
 646         return false;
 647 }
 648
 649 bool
 650 TimeAxisView::name_entry_focus_in (GdkEventFocus*)
 651 {
 652         name_entry.select_region (0, -1);
 653         name_entry.set_name ("EditorActiveTrackNameDisplay");
 654         return false;
 655 }
 656
 657 bool
 658 TimeAxisView::name_entry_focus_out (GdkEventFocus*)
 659 {
 660         /* clean up */
 661
 662         last_name_entry_key_press_event = 0;
 663         name_entry_key_timeout.disconnect ();
 664         name_entry.set_name ("EditorTrackNameDisplay");
 665         name_entry.select_region (0,0);
 666
 667         /* do the real stuff */
 668
 669         name_entry_changed ();
 670
 671         return false;
 672 }
 673
 674 bool
 675 TimeAxisView::name_entry_key_timed_out ()
 676 {
 677         name_entry_activated();
 678         return false;
 679 }
 680
 681 void
 682 TimeAxisView::name_entry_activated ()
 683 {
 684         controls_ebox.grab_focus();
 685 }
 686
 687 void
 688 TimeAxisView::name_entry_changed ()
 689 {
 690 }
 691
 692 bool
 693 TimeAxisView::name_entry_button_press (GdkEventButton *ev)
 694 {
 695         if (ev->button == 3) {
 696                 return true;
 697         }
 698         return false;
 699 }
 700
 701 bool
 702 TimeAxisView::name_entry_button_release (GdkEventButton *ev)
 703 {
 704         if (ev->button == 3) {
 705                 popup_display_menu (ev->time);
 706                 return true;
 707         }
 708         return false;
 709 }
 710
 711 void
 712 TimeAxisView::conditionally_add_to_selection ()
 713 {
 714         Selection& s (_editor.get_selection ());
 715
 716         if (!s.selected (this)) {
 717                 _editor.set_selected_track (*this, Selection::Set);
 718         }
 719 }
 720
 721 void
 722 TimeAxisView::popup_display_menu (guint32 when)
 723 {
 724         conditionally_add_to_selection ();
 725
 726         build_display_menu ();
 727         display_menu->popup (1, when);
 728 }
 729
 730 void
 731 TimeAxisView::set_selected (bool yn)
 732 {
 733         if (yn == _selected) {
 734                 return;
 735         }
 736
 737         Selectable::set_selected (yn);
 738
 739         if (_selected) {
 740                 controls_ebox.set_name (controls_base_selected_name);
 741                 time_axis_vbox.set_name (controls_base_selected_name);
 742                 controls_vbox.set_name (controls_base_selected_name);
 743         } else {
 744                 controls_ebox.set_name (controls_base_unselected_name);
 745                 time_axis_vbox.set_name (controls_base_unselected_name);
 746                 controls_vbox.set_name (controls_base_unselected_name);
 747                 hide_selection ();
 748
 749                 /* children will be set for the yn=true case. but when deselecting
 750                    the editor only has a list of top-level trackviews, so we
 751                    have to do this here.
 752                 */
 753
 754                 for (Children::iterator i = children.begin(); i != children.end(); ++i) {
 755                         (*i)->set_selected (false);
 756                 }
 757         }
 758 }
 759
 760 void
 761 TimeAxisView::build_display_menu ()
 762 {
 763         using namespace Menu_Helpers;
 764
 765         delete display_menu;
 766
 767         display_menu = new Menu;
 768         display_menu->set_name ("ArdourContextMenu");
 769
 770         // Just let implementing classes define what goes into the manu
 771 }
 772
 773 void
 774 TimeAxisView::set_samples_per_unit (double spu)
 775 {
 776         for (Children::iterator i = children.begin(); i != children.end(); ++i) {
 777                 (*i)->set_samples_per_unit (spu);
 778         }
 779
 780         AnalysisFeatureList::const_iterator i;
 781         list<ArdourCanvas::SimpleLine*>::iterator l;
 782 }
 783
 784 void
 785 TimeAxisView::show_timestretch (framepos_t start, framepos_t end)
 786 {
 787         for (Children::iterator i = children.begin(); i != children.end(); ++i) {
 788                 (*i)->show_timestretch (start, end);
 789         }
 790 }
 791
 792 void
 793 TimeAxisView::hide_timestretch ()
 794 {
 795         for (Children::iterator i = children.begin(); i != children.end(); ++i) {
 796                 (*i)->hide_timestretch ();
 797         }
 798 }
 799
 800 void
 801 TimeAxisView::show_selection (TimeSelection& ts)
 802 {
 803         double x1;
 804         double x2;
 805         double y2;
 806         SelectionRect *rect;
 807
 808         for (Children::iterator i = children.begin(); i != children.end(); ++i) {
 809                 (*i)->show_selection (ts);
 810         }
 811
 812         if (canvas_item_visible (selection_group)) {
 813                 while (!used_selection_rects.empty()) {
 814                         free_selection_rects.push_front (used_selection_rects.front());
 815                         used_selection_rects.pop_front();
 816                         free_selection_rects.front()->rect->hide();
 817                         free_selection_rects.front()->start_trim->hide();
 818                         free_selection_rects.front()->end_trim->hide();
 819                 }
 820                 selection_group->hide();
 821         }
 822
 823         selection_group->show();
 824         selection_group->raise_to_top();
 825
 826         for (list<AudioRange>::iterator i = ts.begin(); i != ts.end(); ++i) {
 827                 framepos_t start, end;
 828                 framecnt_t cnt;
 829
 830                 start = (*i).start;
 831                 end = (*i).end;
 832                 cnt = end - start + 1;
 833
 834                 rect = get_selection_rect ((*i).id);
 835
 836                 x1 = _editor.frame_to_unit (start);
 837                 x2 = _editor.frame_to_unit (start + cnt - 1);
 838                 y2 = current_height();
 839
 840                 rect->rect->property_x1() = x1;
 841                 rect->rect->property_y1() = 1.0;
 842                 rect->rect->property_x2() = x2;
 843                 rect->rect->property_y2() = y2;
 844
 845                 // trim boxes are at the top for selections
 846
 847                 if (x2 > x1) {
 848                         rect->start_trim->property_x1() = x1;
 849                         rect->start_trim->property_y1() = 1.0;
 850                         rect->start_trim->property_x2() = x1 + trim_handle_size;
 851                         rect->start_trim->property_y2() = y2;
 852
 853                         rect->end_trim->property_x1() = x2 - trim_handle_size;
 854                         rect->end_trim->property_y1() = 1.0;
 855                         rect->end_trim->property_x2() = x2;
 856                         rect->end_trim->property_y2() = y2;
 857
 858                         rect->start_trim->show();
 859                         rect->end_trim->show();
 860                 } else {
 861                         rect->start_trim->hide();
 862                         rect->end_trim->hide();
 863                 }
 864
 865                 rect->rect->show ();
 866                 used_selection_rects.push_back (rect);
 867         }
 868 }
 869
 870 void
 871 TimeAxisView::reshow_selection (TimeSelection& ts)
 872 {
 873         show_selection (ts);
 874
 875         for (Children::iterator i = children.begin(); i != children.end(); ++i) {
 876                 (*i)->show_selection (ts);
 877         }
 878 }
 879
 880 void
 881 TimeAxisView::hide_selection ()
 882 {
 883         if (canvas_item_visible (selection_group)) {
 884                 while (!used_selection_rects.empty()) {
 885                         free_selection_rects.push_front (used_selection_rects.front());
 886                         used_selection_rects.pop_front();
 887                         free_selection_rects.front()->rect->hide();
 888                         free_selection_rects.front()->start_trim->hide();
 889                         free_selection_rects.front()->end_trim->hide();
 890                 }
 891                 selection_group->hide();
 892         }
 893
 894         for (Children::iterator i = children.begin(); i != children.end(); ++i) {
 895                 (*i)->hide_selection ();
 896         }
 897 }
 898
 899 void
 900 TimeAxisView::order_selection_trims (ArdourCanvas::Item *item, bool put_start_on_top)
 901 {
 902         /* find the selection rect this is for. we have the item corresponding to one
 903            of the trim handles.
 904          */
 905
 906         for (list<SelectionRect*>::iterator i = used_selection_rects.begin(); i != used_selection_rects.end(); ++i) {
 907                 if ((*i)->start_trim == item || (*i)->end_trim == item) {
 908
 909                         /* make one trim handle be "above" the other so that if they overlap,
 910                            the top one is the one last used.
 911                         */
 912
 913                         (*i)->rect->raise_to_top ();
 914                         (put_start_on_top ? (*i)->start_trim : (*i)->end_trim)->raise_to_top ();
 915                         (put_start_on_top ? (*i)->end_trim : (*i)->start_trim)->raise_to_top ();
 916
 917                         break;
 918                 }
 919         }
 920 }
 921
 922 SelectionRect *
 923 TimeAxisView::get_selection_rect (uint32_t id)
 924 {
 925         SelectionRect *rect;
 926
 927         /* check to see if we already have a visible rect for this particular selection ID */
 928
 929         for (list<SelectionRect*>::iterator i = used_selection_rects.begin(); i != used_selection_rects.end(); ++i) {
 930                 if ((*i)->id == id) {
 931                         return (*i);
 932                 }
 933         }
 934
 935         /* ditto for the free rect list */
 936
 937         for (list<SelectionRect*>::iterator i = free_selection_rects.begin(); i != free_selection_rects.end(); ++i) {
 938                 if ((*i)->id == id) {
 939                         SelectionRect* ret = (*i);
 940                         free_selection_rects.erase (i);
 941                         return ret;
 942                 }
 943         }
 944
 945         /* no existing matching rect, so go get a new one from the free list, or create one if there are none */
 946
 947         if (free_selection_rects.empty()) {
 948
 949                 rect = new SelectionRect;
 950
 951                 rect->rect = new SimpleRect (*selection_group);
 952                 rect->rect->property_outline_what() = 0x0;
 953                 rect->rect->property_x1() = 0.0;
 954                 rect->rect->property_y1() = 0.0;
 955                 rect->rect->property_x2() = 0.0;
 956                 rect->rect->property_y2() = 0.0;
 957                 rect->rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_SelectionRect.get();
 958
 959                 rect->start_trim = new SimpleRect (*selection_group);
 960                 rect->start_trim->property_outline_what() = 0x0;
 961                 rect->start_trim->property_x1() = 0.0;
 962                 rect->start_trim->property_x2() = 0.0;
 963
 964                 rect->end_trim = new SimpleRect (*selection_group);
 965                 rect->end_trim->property_outline_what() = 0x0;
 966                 rect->end_trim->property_x1() = 0.0;
 967                 rect->end_trim->property_x2() = 0.0;
 968
 969                 free_selection_rects.push_front (rect);
 970
 971                 rect->rect->signal_event().connect (sigc::bind (sigc::mem_fun (_editor, &PublicEditor::canvas_selection_rect_event), rect->rect, rect));
 972                 rect->start_trim->signal_event().connect (sigc::bind (sigc::mem_fun (_editor, &PublicEditor::canvas_selection_start_trim_event), rect->rect, rect));
 973                 rect->end_trim->signal_event().connect (sigc::bind (sigc::mem_fun (_editor, &PublicEditor::canvas_selection_end_trim_event), rect->rect, rect));
 974         }
 975
 976         rect = free_selection_rects.front();
 977         rect->id = id;
 978         free_selection_rects.pop_front();
 979         return rect;
 980 }
 981
 982 struct null_deleter { void operator()(void const *) const {} };
 983
 984 bool
 985 TimeAxisView::is_child (TimeAxisView* tav)
 986 {
 987         return find (children.begin(), children.end(), boost::shared_ptr<TimeAxisView>(tav, null_deleter())) != children.end();
 988 }
 989
 990 void
 991 TimeAxisView::add_child (boost::shared_ptr<TimeAxisView> child)
 992 {
 993         children.push_back (child);
 994 }
 995
 996 void
 997 TimeAxisView::remove_child (boost::shared_ptr<TimeAxisView> child)
 998 {
 999         Children::iterator i;
1000
1001         if ((i = find (children.begin(), children.end(), child)) != children.end()) {
1002                 children.erase (i);
1003         }
1004 }
1005
1006 /** Get selectable things within a given range.
1007  *  @param start Start time in session frames.
1008  *  @param end End time in session frames.
1009  *  @param top Top y range, in trackview coordinates (ie 0 is the top of the track view)
1010  *  @param bot Bottom y range, in trackview coordinates (ie 0 is the top of the track view)
1011  *  @param result Filled in with selectable things.
1012  */
1013 void
1014 TimeAxisView::get_selectables (framepos_t /*start*/, framepos_t /*end*/, double /*top*/, double /*bot*/, list<Selectable*>& /*result*/)
1015 {
1016         return;
1017 }
1018
1019 void
1020 TimeAxisView::get_inverted_selectables (Selection& /*sel*/, list<Selectable*>& /*result*/)
1021 {
1022         return;
1023 }
1024
1025 void
1026 TimeAxisView::add_ghost (RegionView* rv)
1027 {
1028         GhostRegion* gr = rv->add_ghost (*this);
1029
1030         if (gr) {
1031                 ghosts.push_back(gr);
1032         }
1033 }
1034
1035 void
1036 TimeAxisView::remove_ghost (RegionView* rv)
1037 {
1038         rv->remove_ghost_in (*this);
1039 }
1040
1041 void
1042 TimeAxisView::erase_ghost (GhostRegion* gr)
1043 {
1044         if (in_destructor) {
1045                 return;
1046         }
1047
1048         for (list<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
1049                 if ((*i) == gr) {
1050                         ghosts.erase (i);
1051                         break;
1052                 }
1053         }
1054 }
1055
1056 bool
1057 TimeAxisView::touched (double top, double bot)
1058 {
1059         /* remember: this is X Window - coordinate space starts in upper left and moves down.
1060           y_position is the "origin" or "top" of the track.
1061         */
1062
1063         double mybot = _y_position + current_height();
1064
1065         return ((_y_position <= bot && _y_position >= top) ||
1066                 ((mybot <= bot) && (top < mybot)) ||
1067                 (mybot >= bot && _y_position < top));
1068 }
1069
1070 void
1071 TimeAxisView::set_parent (TimeAxisView& p)
1072 {
1073         parent = &p;
1074 }
1075
1076 void
1077 TimeAxisView::reset_height ()
1078 {
1079         set_height (height);
1080
1081         for (Children::iterator i = children.begin(); i != children.end(); ++i) {
1082                 (*i)->set_height ((*i)->height);
1083         }
1084 }
1085
1086 void
1087 TimeAxisView::compute_heights ()
1088 {
1089         Gtk::Window window (Gtk::WINDOW_TOPLEVEL);
1090         Gtk::Table two_row_table (2, 8);
1091         Gtk::Table one_row_table (1, 8);
1092         Button* buttons[5];
1093         const int border_width = 2;
1094
1095         extra_height = (2 * border_width);
1096
1097         window.add (one_row_table);
1098
1099         one_row_table.set_border_width (border_width);
1100         one_row_table.set_row_spacings (0);
1101         one_row_table.set_col_spacings (0);
1102         one_row_table.set_homogeneous (true);
1103
1104         two_row_table.set_border_width (border_width);
1105         two_row_table.set_row_spacings (0);
1106         two_row_table.set_col_spacings (0);
1107         two_row_table.set_homogeneous (true);
1108
1109         for (int i = 0; i < 5; ++i) {
1110                 buttons[i] = manage (new Button (X_("f")));
1111                 buttons[i]->set_name ("TrackMuteButton");
1112         }
1113
1114         one_row_table.attach (*buttons[0], 6, 7, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 0, 0);
1115
1116         one_row_table.show_all ();
1117         Gtk::Requisition req(one_row_table.size_request ());
1118
1119         // height required to show 1 row of buttons
1120
1121         small_height = req.height + (2 * border_width);
1122 }
1123
1124 void
1125 TimeAxisView::show_name_label ()
1126 {
1127         if (!(name_packing & NameLabelPacked)) {
1128                 name_hbox.pack_start (name_label, true, true);
1129                 name_packing = NamePackingBits (name_packing | NameLabelPacked);
1130                 name_hbox.show ();
1131                 name_label.show ();
1132         }
1133 }
1134
1135 void
1136 TimeAxisView::show_name_entry ()
1137 {
1138         if (!(name_packing & NameEntryPacked)) {
1139                 name_hbox.pack_start (name_entry, true, true);
1140                 name_packing = NamePackingBits (name_packing | NameEntryPacked);
1141                 name_hbox.show ();
1142                 name_entry.show ();
1143         }
1144 }
1145
1146 void
1147 TimeAxisView::hide_name_label ()
1148 {
1149         if (name_packing & NameLabelPacked) {
1150                 name_hbox.remove (name_label);
1151                 name_packing = NamePackingBits (name_packing & ~NameLabelPacked);
1152         }
1153 }
1154
1155 void
1156 TimeAxisView::hide_name_entry ()
1157 {
1158         if (name_packing & NameEntryPacked) {
1159                 name_hbox.remove (name_entry);
1160                 name_packing = NamePackingBits (name_packing & ~NameEntryPacked);
1161         }
1162 }
1163
1164 void
1165 TimeAxisView::color_handler ()
1166 {
1167         for (list<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); i++) {
1168                 (*i)->set_colors();
1169         }
1170
1171         for (list<SelectionRect*>::iterator i = used_selection_rects.begin(); i != used_selection_rects.end(); ++i) {
1172
1173                 (*i)->rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_SelectionRect.get();
1174                 (*i)->rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
1175
1176                 (*i)->start_trim->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
1177                 (*i)->start_trim->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
1178
1179                 (*i)->end_trim->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
1180                 (*i)->end_trim->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
1181         }
1182
1183         for (list<SelectionRect*>::iterator i = free_selection_rects.begin(); i != free_selection_rects.end(); ++i) {
1184
1185                 (*i)->rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_SelectionRect.get();
1186                 (*i)->rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
1187
1188                 (*i)->start_trim->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
1189                 (*i)->start_trim->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
1190
1191                 (*i)->end_trim->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
1192                 (*i)->end_trim->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
1193         }
1194 }
1195
1196 /** @return Pair: TimeAxisView, layer index.
1197  * TimeAxisView is non-0 if this object covers y, or one of its children does.
1198  * If the covering object is a child axis, then the child is returned.
1199  * TimeAxisView is 0 otherwise.
1200  * Layer index is the layer number if the TimeAxisView is valid and is in stacked
1201  * region display mode, otherwise 0.
1202  */
1203 std::pair<TimeAxisView*, layer_t>
1204 TimeAxisView::covers_y_position (double y)
1205 {
1206         if (hidden()) {
1207                 return std::make_pair ((TimeAxisView *) 0, 0);
1208         }
1209
1210         if (_y_position <= y && y < (_y_position + height)) {
1211
1212                 /* work out the layer index if appropriate */
1213                 layer_t l = 0;
1214                 if (layer_display () == Stacked && view ()) {
1215                         /* compute layer */
1216                         l = layer_t ((_y_position + height - y) / (view()->child_height ()));
1217                         /* clamp to max layers to be on the safe side; sometimes the above calculation
1218                           returns a too-high value */
1219                         if (l >= view()->layers ()) {
1220                                 l = view()->layers() - 1;
1221                         }
1222                 }
1223
1224                 return std::make_pair (this, l);
1225         }
1226
1227         for (Children::const_iterator i = children.begin(); i != children.end(); ++i) {
1228
1229                 std::pair<TimeAxisView*, int> const r = (*i)->covers_y_position (y);
1230                 if (r.first) {
1231                         return r;
1232                 }
1233         }
1234
1235         return std::make_pair ((TimeAxisView *) 0, 0);
1236 }
1237
1238
1239 uint32_t
1240 TimeAxisView::preset_height (Height h)
1241 {
1242         switch (h) {
1243         case HeightLargest:
1244                 return extra_height + 48 + 250;
1245         case HeightLarger:
1246                 return extra_height + 48 + 150;
1247         case HeightLarge:
1248                 return extra_height + 48 + 50;
1249         case HeightNormal:
1250                 return extra_height + 48;
1251         case HeightSmall:
1252                 return small_height;
1253         }
1254
1255         /* NOTREACHED */
1256         return 0;
1257 }
1258
1259 /** @return Child time axis views that are not hidden */
1260 TimeAxisView::Children
1261 TimeAxisView::get_child_list ()
1262 {
1263         Children c;
1264
1265         for (Children::iterator i = children.begin(); i != children.end(); ++i) {
1266                 if (!(*i)->hidden()) {
1267                         c.push_back(*i);
1268                 }
1269         }
1270
1271         return c;
1272 }
1273
1274 void
1275 TimeAxisView::build_size_menu ()
1276 {
1277         if (_size_menu && _size_menu->gobj ()) {
1278                 return;
1279         }
1280
1281         delete _size_menu;
1282
1283         using namespace Menu_Helpers;
1284
1285         _size_menu = new Menu;
1286         _size_menu->set_name ("ArdourContextMenu");
1287         MenuList& items = _size_menu->items();
1288
1289         items.push_back (MenuElem (_("Largest"), sigc::bind (sigc::mem_fun (*this, &TimeAxisView::set_height_enum), HeightLargest, true)));
1290         items.push_back (MenuElem (_("Larger"),  sigc::bind (sigc::mem_fun (*this, &TimeAxisView::set_height_enum), HeightLarger, true)));
1291         items.push_back (MenuElem (_("Large"),   sigc::bind (sigc::mem_fun (*this, &TimeAxisView::set_height_enum), HeightLarge, true)));
1292         items.push_back (MenuElem (_("Normal"),  sigc::bind (sigc::mem_fun (*this, &TimeAxisView::set_height_enum), HeightNormal, true)));
1293         items.push_back (MenuElem (_("Small"),   sigc::bind (sigc::mem_fun (*this, &TimeAxisView::set_height_enum), HeightSmall, true)));
1294 }
1295
1296 void
1297 TimeAxisView::reset_visual_state ()
1298 {
1299         /* this method is not required to trigger a global redraw */
1300
1301         string str = gui_property ("height");
1302
1303         if (!str.empty()) {
1304                 set_height (atoi (str));
1305         } else {
1306                 set_height (preset_height (HeightNormal));
1307         }
1308 }