gtk2_ardour/editor.cc

   1 /*
   2     Copyright (C) 2000-2009 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 /* Note: public Editor methods are documented in public_editor.h */
  21
  22 #include <stdint.h>
  23 #include <unistd.h>
  24 #include <cstdlib>
  25 #include <cmath>
  26 #include <string>
  27 #include <algorithm>
  28 #include <map>
  29
  30 #include "ardour_ui.h"
  31 /*
  32  * ardour_ui.h include was moved to the top of the list
  33  * due to a conflicting definition of 'Style' between
  34  * Apple's MacTypes.h and BarController.
  35  */
  36
  37 #include <boost/none.hpp>
  38
  39 #include <sigc++/bind.h>
  40
  41 #include "pbd/convert.h"
  42 #include "pbd/error.h"
  43 #include "pbd/enumwriter.h"
  44 #include "pbd/memento_command.h"
  45 #include "pbd/unknown_type.h"
  46 #include "pbd/unwind.h"
  47
  48 #include <glibmm/miscutils.h>
  49 #include <gtkmm/image.h>
  50 #include <gdkmm/color.h>
  51 #include <gdkmm/bitmap.h>
  52
  53 #include "gtkmm2ext/bindings.h"
  54 #include "gtkmm2ext/grouped_buttons.h"
  55 #include "gtkmm2ext/gtk_ui.h"
  56 #include "gtkmm2ext/tearoff.h"
  57 #include "gtkmm2ext/utils.h"
  58 #include "gtkmm2ext/window_title.h"
  59 #include "gtkmm2ext/choice.h"
  60 #include "gtkmm2ext/cell_renderer_pixbuf_toggle.h"
  61
  62 #include "ardour/audio_track.h"
  63 #include "ardour/audioengine.h"
  64 #include "ardour/audioregion.h"
  65 #include "ardour/location.h"
  66 #include "ardour/profile.h"
  67 #include "ardour/route_group.h"
  68 #include "ardour/session_playlists.h"
  69 #include "ardour/tempo.h"
  70 #include "ardour/utils.h"
  71
  72 #include "control_protocol/control_protocol.h"
  73
  74 #include "actions.h"
  75 #include "actions.h"
  76 #include "analysis_window.h"
  77 #include "audio_clock.h"
  78 #include "audio_region_view.h"
  79 #include "audio_streamview.h"
  80 #include "audio_time_axis.h"
  81 #include "automation_time_axis.h"
  82 #include "bundle_manager.h"
  83 #include "button_joiner.h"
  84 #include "canvas-noevent-text.h"
  85 #include "canvas_impl.h"
  86 #include "crossfade_edit.h"
  87 #include "debug.h"
  88 #include "editing.h"
  89 #include "editor.h"
  90 #include "editor_cursors.h"
  91 #include "editor_drag.h"
  92 #include "editor_group_tabs.h"
  93 #include "editor_locations.h"
  94 #include "editor_regions.h"
  95 #include "editor_route_groups.h"
  96 #include "editor_routes.h"
  97 #include "editor_snapshots.h"
  98 #include "editor_summary.h"
  99 #include "global_port_matrix.h"
 100 #include "gui_object.h"
 101 #include "gui_thread.h"
 102 #include "keyboard.h"
 103 #include "marker.h"
 104 #include "midi_time_axis.h"
 105 #include "mixer_strip.h"
 106 #include "mixer_ui.h"
 107 #include "mouse_cursors.h"
 108 #include "playlist_selector.h"
 109 #include "public_editor.h"
 110 #include "region_layering_order_editor.h"
 111 #include "rgb_macros.h"
 112 #include "rhythm_ferret.h"
 113 #include "selection.h"
 114 #include "sfdb_ui.h"
 115 #include "simpleline.h"
 116 #include "tempo_lines.h"
 117 #include "time_axis_view.h"
 118 #include "utils.h"
 119
 120 #include "i18n.h"
 121
 122 #ifdef WITH_CMT
 123 #include "imageframe_socket_handler.h"
 124 #endif
 125
 126 using namespace std;
 127 using namespace ARDOUR;
 128 using namespace PBD;
 129 using namespace Gtk;
 130 using namespace Glib;
 131 using namespace Gtkmm2ext;
 132 using namespace Editing;
 133
 134 using PBD::internationalize;
 135 using PBD::atoi;
 136 using Gtkmm2ext::Keyboard;
 137
 138 const double Editor::timebar_height = 15.0;
 139
 140 static const gchar *_snap_type_strings[] = {
 141         N_("CD Frames"),
 142         N_("Timecode Frames"),
 143         N_("Timecode Seconds"),
 144         N_("Timecode Minutes"),
 145         N_("Seconds"),
 146         N_("Minutes"),
 147         N_("Beats/128"),
 148         N_("Beats/64"),
 149         N_("Beats/32"),
 150         N_("Beats/28"),
 151         N_("Beats/24"),
 152         N_("Beats/20"),
 153         N_("Beats/16"),
 154         N_("Beats/14"),
 155         N_("Beats/12"),
 156         N_("Beats/10"),
 157         N_("Beats/8"),
 158         N_("Beats/7"),
 159         N_("Beats/6"),
 160         N_("Beats/5"),
 161         N_("Beats/4"),
 162         N_("Beats/3"),
 163         N_("Beats/2"),
 164         N_("Beats"),
 165         N_("Bars"),
 166         N_("Marks"),
 167         N_("Region starts"),
 168         N_("Region ends"),
 169         N_("Region syncs"),
 170         N_("Region bounds"),
 171         0
 172 };
 173
 174 static const gchar *_snap_mode_strings[] = {
 175         N_("No Grid"),
 176         N_("Grid"),
 177         N_("Magnetic"),
 178         0
 179 };
 180
 181 static const gchar *_edit_point_strings[] = {
 182         N_("Playhead"),
 183         N_("Marker"),
 184         N_("Mouse"),
 185         0
 186 };
 187
 188 static const gchar *_zoom_focus_strings[] = {
 189         N_("Left"),
 190         N_("Right"),
 191         N_("Center"),
 192         N_("Playhead"),
 193         N_("Mouse"),
 194         N_("Edit point"),
 195         0
 196 };
 197
 198 #ifdef USE_RUBBERBAND
 199 static const gchar *_rb_opt_strings[] = {
 200         N_("Mushy"),
 201         N_("Smooth"),
 202         N_("Balanced multitimbral mixture"),
 203         N_("Unpitched percussion with stable notes"),
 204         N_("Crisp monophonic instrumental"),
 205         N_("Unpitched solo percussion"),
 206         N_("Resample without preserving pitch"),
 207         0
 208 };
 209 #endif
 210
 211 static void
 212 pane_size_watcher (Paned* pane)
 213 {
 214         /* if the handle of a pane vanishes into (at least) the tabs of a notebook,
 215            it is:
 216
 217               X: hard to access
 218               Quartz: impossible to access
 219
 220            so stop that by preventing it from ever getting too narrow. 35
 221            pixels is basically a rough guess at the tab width.
 222
 223            ugh.
 224         */
 225
 226         int max_width_of_lhs = GTK_WIDGET(pane->gobj())->allocation.width - 35;
 227
 228         gint pos = pane->get_position ();
 229
 230         if (pos > max_width_of_lhs) {
 231                 pane->set_position (max_width_of_lhs);
 232         }
 233 }
 234
 235 Editor::Editor ()
 236         : _join_object_range_state (JOIN_OBJECT_RANGE_NONE)
 237
 238           /* time display buttons */
 239         , minsec_label (_("Mins:Secs"))
 240         , bbt_label (_("Bars:Beats"))
 241         , timecode_label (_("Timecode"))
 242         , samples_label (_("Samples"))
 243         , tempo_label (_("Tempo"))
 244         , meter_label (_("Meter"))
 245         , mark_label (_("Location Markers"))
 246         , range_mark_label (_("Range Markers"))
 247         , transport_mark_label (_("Loop/Punch Ranges"))
 248         , cd_mark_label (_("CD Markers"))
 249         , edit_packer (4, 4, true)
 250
 251           /* the values here don't matter: layout widgets
 252              reset them as needed.
 253           */
 254
 255         , vertical_adjustment (0.0, 0.0, 10.0, 400.0)
 256
 257           /* tool bar related */
 258
 259         , zoom_range_clock (new AudioClock (X_("zoomrange"), false, X_("zoom range"), true, false, true))
 260
 261         , toolbar_selection_clock_table (2,3)
 262
 263         , automation_mode_button (_("mode"))
 264
 265         , _toolbar_viewport (*manage (new Gtk::Adjustment (0, 0, 1e10)), *manage (new Gtk::Adjustment (0, 0, 1e10)))
 266
 267 #ifdef WITH_CMT
 268         , image_socket_listener(0)
 269 #endif
 270
 271           /* nudge */
 272
 273         , nudge_clock (new AudioClock (X_("nudge"), false, X_("nudge"), true, false, true))
 274         , meters_running(false)
 275         , _pending_locate_request (false)
 276         , _pending_initial_locate (false)
 277         , _last_cut_copy_source_track (0)
 278
 279         , _region_selection_change_updates_region_list (true)
 280         , _following_mixer_selection (false)
 281         , _control_point_toggled_on_press (false)
 282         , _stepping_axis_view (0)
 283 {
 284         constructed = false;
 285
 286         /* we are a singleton */
 287
 288         PublicEditor::_instance = this;
 289
 290         _have_idled = false;
 291
 292         selection = new Selection (this);
 293         cut_buffer = new Selection (this);
 294
 295         clicked_regionview = 0;
 296         clicked_axisview = 0;
 297         clicked_routeview = 0;
 298         clicked_control_point = 0;
 299         last_update_frame = 0;
 300         pre_press_cursor = 0;
 301         _drags = new DragManager (this);
 302         current_mixer_strip = 0;
 303         tempo_lines = 0;
 304
 305         snap_type_strings =  I18N (_snap_type_strings);
 306         snap_mode_strings =  I18N (_snap_mode_strings);
 307         zoom_focus_strings = I18N (_zoom_focus_strings);
 308         edit_point_strings = I18N (_edit_point_strings);
 309 #ifdef USE_RUBBERBAND
 310         rb_opt_strings = I18N (_rb_opt_strings);
 311         rb_current_opt = 4;
 312 #endif
 313
 314         snap_threshold = 5.0;
 315         bbt_beat_subdivision = 4;
 316         _canvas_width = 0;
 317         _canvas_height = 0;
 318         last_autoscroll_x = 0;
 319         last_autoscroll_y = 0;
 320         autoscroll_active = false;
 321         autoscroll_timeout_tag = -1;
 322         logo_item = 0;
 323
 324         analysis_window = 0;
 325
 326         current_interthread_info = 0;
 327         _show_measures = true;
 328         _maximised = false;
 329         show_gain_after_trim = false;
 330
 331         have_pending_keyboard_selection = false;
 332         _follow_playhead = true;
 333         _stationary_playhead = false;
 334         editor_ruler_menu = 0;
 335         no_ruler_shown_update = false;
 336         marker_menu = 0;
 337         range_marker_menu = 0;
 338         marker_menu_item = 0;
 339         tempo_or_meter_marker_menu = 0;
 340         transport_marker_menu = 0;
 341         new_transport_marker_menu = 0;
 342         editor_mixer_strip_width = Wide;
 343         show_editor_mixer_when_tracks_arrive = false;
 344         region_edit_menu_split_multichannel_item = 0;
 345         region_edit_menu_split_item = 0;
 346         temp_location = 0;
 347         leftmost_frame = 0;
 348         current_stepping_trackview = 0;
 349         entered_track = 0;
 350         entered_regionview = 0;
 351         entered_marker = 0;
 352         clear_entered_track = false;
 353         current_timefx = 0;
 354         playhead_cursor = 0;
 355         button_release_can_deselect = true;
 356         _dragging_playhead = false;
 357         _dragging_edit_point = false;
 358         select_new_marker = false;
 359         rhythm_ferret = 0;
 360         layering_order_editor = 0;
 361         no_save_visual = false;
 362         resize_idle_id = -1;
 363         within_track_canvas = false;
 364
 365         scrubbing_direction = 0;
 366
 367         sfbrowser = 0;
 368
 369         location_marker_color = ARDOUR_UI::config()->canvasvar_LocationMarker.get();
 370         location_range_color = ARDOUR_UI::config()->canvasvar_LocationRange.get();
 371         location_cd_marker_color = ARDOUR_UI::config()->canvasvar_LocationCDMarker.get();
 372         location_loop_color = ARDOUR_UI::config()->canvasvar_LocationLoop.get();
 373         location_punch_color = ARDOUR_UI::config()->canvasvar_LocationPunch.get();
 374
 375         _edit_point = EditAtMouse;
 376         _internal_editing = false;
 377         current_canvas_cursor = 0;
 378
 379         frames_per_unit = 2048; /* too early to use reset_zoom () */
 380
 381         _scroll_callbacks = 0;
 382
 383         zoom_focus = ZoomFocusLeft;
 384         set_zoom_focus (ZoomFocusLeft);
 385         zoom_range_clock->ValueChanged.connect (sigc::mem_fun(*this, &Editor::zoom_adjustment_changed));
 386
 387         bbt_label.set_name ("EditorTimeButton");
 388         bbt_label.set_size_request (-1, (int)timebar_height);
 389         bbt_label.set_alignment (1.0, 0.5);
 390         bbt_label.set_padding (5,0);
 391         bbt_label.hide ();
 392         bbt_label.set_no_show_all();
 393         minsec_label.set_name ("EditorTimeButton");
 394         minsec_label.set_size_request (-1, (int)timebar_height);
 395         minsec_label.set_alignment (1.0, 0.5);
 396         minsec_label.set_padding (5,0);
 397         minsec_label.hide ();
 398         minsec_label.set_no_show_all();
 399         timecode_label.set_name ("EditorTimeButton");
 400         timecode_label.set_size_request (-1, (int)timebar_height);
 401         timecode_label.set_alignment (1.0, 0.5);
 402         timecode_label.set_padding (5,0);
 403         timecode_label.hide ();
 404         timecode_label.set_no_show_all();
 405         samples_label.set_name ("EditorTimeButton");
 406         samples_label.set_size_request (-1, (int)timebar_height);
 407         samples_label.set_alignment (1.0, 0.5);
 408         samples_label.set_padding (5,0);
 409         samples_label.hide ();
 410         samples_label.set_no_show_all();
 411
 412         tempo_label.set_name ("EditorTimeButton");
 413         tempo_label.set_size_request (-1, (int)timebar_height);
 414         tempo_label.set_alignment (1.0, 0.5);
 415         tempo_label.set_padding (5,0);
 416         tempo_label.hide();
 417         tempo_label.set_no_show_all();
 418
 419         meter_label.set_name ("EditorTimeButton");
 420         meter_label.set_size_request (-1, (int)timebar_height);
 421         meter_label.set_alignment (1.0, 0.5);
 422         meter_label.set_padding (5,0);
 423         meter_label.hide();
 424         meter_label.set_no_show_all();
 425
 426         mark_label.set_name ("EditorTimeButton");
 427         mark_label.set_size_request (-1, (int)timebar_height);
 428         mark_label.set_alignment (1.0, 0.5);
 429         mark_label.set_padding (5,0);
 430         mark_label.hide();
 431         mark_label.set_no_show_all();
 432
 433         cd_mark_label.set_name ("EditorTimeButton");
 434         cd_mark_label.set_size_request (-1, (int)timebar_height);
 435         cd_mark_label.set_alignment (1.0, 0.5);
 436         cd_mark_label.set_padding (5,0);
 437         cd_mark_label.hide();
 438         cd_mark_label.set_no_show_all();
 439
 440         range_mark_label.set_name ("EditorTimeButton");
 441         range_mark_label.set_size_request (-1, (int)timebar_height);
 442         range_mark_label.set_alignment (1.0, 0.5);
 443         range_mark_label.set_padding (5,0);
 444         range_mark_label.hide();
 445         range_mark_label.set_no_show_all();
 446
 447         transport_mark_label.set_name ("EditorTimeButton");
 448         transport_mark_label.set_size_request (-1, (int)timebar_height);
 449         transport_mark_label.set_alignment (1.0, 0.5);
 450         transport_mark_label.set_padding (5,0);
 451         transport_mark_label.hide();
 452         transport_mark_label.set_no_show_all();
 453
 454         initialize_rulers ();
 455         initialize_canvas ();
 456
 457         _summary = new EditorSummary (this);
 458
 459         selection->TimeChanged.connect (sigc::mem_fun(*this, &Editor::time_selection_changed));
 460         selection->TracksChanged.connect (sigc::mem_fun(*this, &Editor::track_selection_changed));
 461
 462         editor_regions_selection_changed_connection = selection->RegionsChanged.connect (sigc::mem_fun(*this, &Editor::region_selection_changed));
 463
 464         selection->PointsChanged.connect (sigc::mem_fun(*this, &Editor::point_selection_changed));
 465         selection->MarkersChanged.connect (sigc::mem_fun(*this, &Editor::marker_selection_changed));
 466
 467         edit_controls_vbox.set_spacing (0);
 468         vertical_adjustment.signal_value_changed().connect (sigc::mem_fun(*this, &Editor::tie_vertical_scrolling), true);
 469         track_canvas->signal_map_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_map_handler));
 470
 471         HBox* h = manage (new HBox);
 472         _group_tabs = new EditorGroupTabs (this);
 473         h->pack_start (*_group_tabs, PACK_SHRINK);
 474         h->pack_start (edit_controls_vbox);
 475         controls_layout.add (*h);
 476
 477         controls_layout.set_name ("EditControlsBase");
 478         controls_layout.add_events (Gdk::SCROLL_MASK);
 479         controls_layout.signal_scroll_event().connect (sigc::mem_fun(*this, &Editor::control_layout_scroll), false);
 480
 481         controls_layout.add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK);
 482         controls_layout.signal_button_release_event().connect (sigc::mem_fun(*this, &Editor::edit_controls_button_release));
 483
 484         _cursors = new MouseCursors;
 485
 486         ArdourCanvas::Canvas* time_pad = manage(new ArdourCanvas::Canvas());
 487         ArdourCanvas::SimpleLine* pad_line_1 = manage(new ArdourCanvas::SimpleLine(*time_pad->root(),
 488                         0.0, 1.0, 100.0, 1.0));
 489
 490         pad_line_1->property_color_rgba() = 0xFF0000FF;
 491         pad_line_1->show();
 492
 493         time_pad->show();
 494
 495         time_canvas_vbox.set_size_request (-1, (int)(timebar_height * visible_timebars) + 2);
 496         time_canvas_vbox.set_size_request (-1, -1);
 497
 498         ruler_label_event_box.add (ruler_label_vbox);
 499         ruler_label_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 500         ruler_label_event_box.signal_button_release_event().connect (sigc::mem_fun(*this, &Editor::ruler_label_button_release));
 501
 502         time_button_event_box.add (time_button_vbox);
 503         time_button_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 504         time_button_event_box.signal_button_release_event().connect (sigc::mem_fun(*this, &Editor::ruler_label_button_release));
 505
 506         /* these enable us to have a dedicated window (for cursor setting, etc.)
 507            for the canvas areas.
 508         */
 509
 510         track_canvas_event_box.add (*track_canvas);
 511
 512         time_canvas_event_box.add (time_canvas_vbox);
 513         time_canvas_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::POINTER_MOTION_MASK);
 514
 515         edit_packer.set_col_spacings (0);
 516         edit_packer.set_row_spacings (0);
 517         edit_packer.set_homogeneous (false);
 518         edit_packer.set_border_width (0);
 519         edit_packer.set_name ("EditorWindow");
 520
 521         /* labels for the rulers */
 522         edit_packer.attach (ruler_label_event_box,   1, 2, 0, 1,    FILL,        SHRINK, 0, 0);
 523         /* labels for the marker "tracks" */
 524         edit_packer.attach (time_button_event_box,   1, 2, 1, 2,    FILL,        SHRINK, 0, 0);
 525         /* the rulers */
 526         edit_packer.attach (time_canvas_event_box,   2, 3, 0, 1,    FILL|EXPAND, FILL, 0, 0);
 527         /* track controls */
 528         edit_packer.attach (controls_layout,         0, 2, 2, 3,    FILL,        FILL|EXPAND, 0, 0);
 529         /* main canvas */
 530         edit_packer.attach (track_canvas_event_box,  2, 3, 1, 3,    FILL|EXPAND, FILL|EXPAND, 0, 0);
 531
 532         bottom_hbox.set_border_width (2);
 533         bottom_hbox.set_spacing (3);
 534
 535         _route_groups = new EditorRouteGroups (this);
 536         _routes = new EditorRoutes (this);
 537         _regions = new EditorRegions (this);
 538         _snapshots = new EditorSnapshots (this);
 539         _locations = new EditorLocations (this);
 540
 541         add_notebook_page (_("Regions"), _regions->widget ());
 542         add_notebook_page (_("Tracks & Busses"), _routes->widget ());
 543         add_notebook_page (_("Snapshots"), _snapshots->widget ());
 544         add_notebook_page (_("Track & Bus Groups"), _route_groups->widget ());
 545         add_notebook_page (_("Ranges & Marks"), _locations->widget ());
 546
 547         _the_notebook.set_show_tabs (true);
 548         _the_notebook.set_scrollable (true);
 549         _the_notebook.popup_disable ();
 550         _the_notebook.set_tab_pos (Gtk::POS_RIGHT);
 551         _the_notebook.show_all ();
 552
 553         _notebook_shrunk = false;
 554
 555         editor_summary_pane.pack1(edit_packer);
 556
 557         Button* summary_arrows_left_left = manage (new Button);
 558         summary_arrows_left_left->add (*manage (new Arrow (ARROW_LEFT, SHADOW_NONE)));
 559         summary_arrows_left_left->signal_pressed().connect (sigc::hide_return (sigc::bind (sigc::mem_fun (*this, &Editor::scroll_press), LEFT)));
 560         summary_arrows_left_left->signal_released().connect (sigc::mem_fun (*this, &Editor::scroll_release));
 561
 562         Button* summary_arrows_left_right = manage (new Button);
 563         summary_arrows_left_right->add (*manage (new Arrow (ARROW_RIGHT, SHADOW_NONE)));
 564         summary_arrows_left_right->signal_pressed().connect (sigc::hide_return (sigc::bind (sigc::mem_fun (*this, &Editor::scroll_press), RIGHT)));
 565         summary_arrows_left_right->signal_released().connect (sigc::mem_fun (*this, &Editor::scroll_release));
 566
 567         VBox* summary_arrows_left = manage (new VBox);
 568         summary_arrows_left->pack_start (*summary_arrows_left_left);
 569         summary_arrows_left->pack_start (*summary_arrows_left_right);
 570
 571         Button* summary_arrows_right_up = manage (new Button);
 572         summary_arrows_right_up->add (*manage (new Arrow (ARROW_UP, SHADOW_NONE)));
 573         summary_arrows_right_up->signal_pressed().connect (sigc::hide_return (sigc::bind (sigc::mem_fun (*this, &Editor::scroll_press), UP)));
 574         summary_arrows_right_up->signal_released().connect (sigc::mem_fun (*this, &Editor::scroll_release));
 575
 576         Button* summary_arrows_right_down = manage (new Button);
 577         summary_arrows_right_down->add (*manage (new Arrow (ARROW_DOWN, SHADOW_NONE)));
 578         summary_arrows_right_down->signal_pressed().connect (sigc::hide_return (sigc::bind (sigc::mem_fun (*this, &Editor::scroll_press), DOWN)));
 579         summary_arrows_right_down->signal_released().connect (sigc::mem_fun (*this, &Editor::scroll_release));
 580
 581         VBox* summary_arrows_right = manage (new VBox);
 582         summary_arrows_right->pack_start (*summary_arrows_right_up);
 583         summary_arrows_right->pack_start (*summary_arrows_right_down);
 584
 585         Frame* summary_frame = manage (new Frame);
 586         summary_frame->set_shadow_type (Gtk::SHADOW_ETCHED_IN);
 587
 588         summary_frame->add (*_summary);
 589         summary_frame->show ();
 590
 591         _summary_hbox.pack_start (*summary_arrows_left, false, false);
 592         _summary_hbox.pack_start (*summary_frame, true, true);
 593         _summary_hbox.pack_start (*summary_arrows_right, false, false);
 594
 595         editor_summary_pane.pack2 (_summary_hbox);
 596
 597         edit_pane.pack1 (editor_summary_pane, true, true);
 598         edit_pane.pack2 (_the_notebook, false, true);
 599
 600         editor_summary_pane.signal_size_allocate().connect (sigc::bind (sigc::mem_fun (*this, &Editor::pane_allocation_handler), static_cast<Paned*> (&editor_summary_pane)));
 601
 602         /* XXX: editor_summary_pane might need similar to the edit_pane */
 603
 604         edit_pane.signal_size_allocate().connect (sigc::bind (sigc::mem_fun(*this, &Editor::pane_allocation_handler), static_cast<Paned*> (&edit_pane)));
 605
 606         Glib::PropertyProxy<int> proxy = edit_pane.property_position();
 607         proxy.signal_changed().connect (bind (sigc::ptr_fun (pane_size_watcher), static_cast<Paned*> (&edit_pane)));
 608
 609         top_hbox.pack_start (toolbar_frame);
 610
 611         HBox *hbox = manage (new HBox);
 612         hbox->pack_start (edit_pane, true, true);
 613
 614         global_vpacker.pack_start (top_hbox, false, false);
 615         global_vpacker.pack_start (*hbox, true, true);
 616
 617         global_hpacker.pack_start (global_vpacker, true, true);
 618
 619         set_name ("EditorWindow");
 620         add_accel_group (ActionManager::ui_manager->get_accel_group());
 621
 622         status_bar_hpacker.show ();
 623
 624         vpacker.pack_end (status_bar_hpacker, false, false);
 625         vpacker.pack_end (global_hpacker, true, true);
 626
 627         /* register actions now so that set_state() can find them and set toggles/checks etc */
 628
 629         register_actions ();
 630         /* when we start using our own keybinding system for the editor, this
 631          * will be uncommented
 632          */
 633         // load_bindings ();
 634
 635         setup_toolbar ();
 636
 637         _snap_type = SnapToBeat;
 638         set_snap_to (_snap_type);
 639         _snap_mode = SnapOff;
 640         set_snap_mode (_snap_mode);
 641         set_mouse_mode (MouseObject, true);
 642         pre_internal_mouse_mode = MouseObject;
 643         pre_internal_snap_type = _snap_type;
 644         pre_internal_snap_mode = _snap_mode;
 645         internal_snap_type = _snap_type;
 646         internal_snap_mode = _snap_mode;
 647         set_edit_point_preference (EditAtMouse, true);
 648
 649         _playlist_selector = new PlaylistSelector();
 650         _playlist_selector->signal_delete_event().connect (sigc::bind (sigc::ptr_fun (just_hide_it), static_cast<Window *> (_playlist_selector)));
 651
 652         RegionView::RegionViewGoingAway.connect (*this, invalidator (*this),  boost::bind (&Editor::catch_vanishing_regionview, this, _1), gui_context());
 653
 654         /* nudge stuff */
 655
 656         nudge_forward_button.add (*(manage (new Image (::get_icon("nudge_right")))));
 657         nudge_backward_button.add (*(manage (new Image (::get_icon("nudge_left")))));
 658
 659         nudge_forward_button.set_name ("TransportButton");
 660         nudge_backward_button.set_name ("TransportButton");
 661
 662         fade_context_menu.set_name ("ArdourContextMenu");
 663
 664         /* icons, titles, WM stuff */
 665
 666         list<Glib::RefPtr<Gdk::Pixbuf> > window_icons;
 667         Glib::RefPtr<Gdk::Pixbuf> icon;
 668
 669         if ((icon = ::get_icon ("ardour_icon_16px")) != 0) {
 670                 window_icons.push_back (icon);
 671         }
 672         if ((icon = ::get_icon ("ardour_icon_22px")) != 0) {
 673                 window_icons.push_back (icon);
 674         }
 675         if ((icon = ::get_icon ("ardour_icon_32px")) != 0) {
 676                 window_icons.push_back (icon);
 677         }
 678         if ((icon = ::get_icon ("ardour_icon_48px")) != 0) {
 679                 window_icons.push_back (icon);
 680         }
 681         if (!window_icons.empty()) {
 682                 // set_icon_list (window_icons);
 683                 set_default_icon_list (window_icons);
 684         }
 685
 686         WindowTitle title(Glib::get_application_name());
 687         title += _("Editor");
 688         set_title (title.get_string());
 689         set_wmclass (X_("ardour_editor"), PROGRAM_NAME);
 690
 691         add (vpacker);
 692         add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK);
 693
 694         signal_configure_event().connect (sigc::mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::configure_handler));
 695         signal_delete_event().connect (sigc::mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::exit_on_main_window_close));
 696
 697         Gtkmm2ext::Keyboard::the_keyboard().ShiftReleased.connect (sigc::mem_fun (*this, &Editor::shift_key_released));
 698
 699         /* allow external control surfaces/protocols to do various things */
 700
 701         ControlProtocol::ZoomToSession.connect (*this, invalidator (*this), boost::bind (&Editor::temporal_zoom_session, this), gui_context());
 702         ControlProtocol::ZoomIn.connect (*this, invalidator (*this), boost::bind (&Editor::temporal_zoom_step, this, false), gui_context());
 703         ControlProtocol::ZoomOut.connect (*this, invalidator (*this), boost::bind (&Editor::temporal_zoom_step, this, true), gui_context());
 704         ControlProtocol::Undo.connect (*this, invalidator (*this), boost::bind (&Editor::undo, this, true), gui_context());
 705         ControlProtocol::Redo.connect (*this, invalidator (*this), boost::bind (&Editor::redo, this, true), gui_context());
 706         ControlProtocol::ScrollTimeline.connect (*this, invalidator (*this), boost::bind (&Editor::control_scroll, this, _1), gui_context());
 707         ControlProtocol::StepTracksUp.connect (*this, invalidator (*this), boost::bind (&Editor::control_step_tracks_up, this), gui_context());
 708         ControlProtocol::StepTracksDown.connect (*this, invalidator (*this), boost::bind (&Editor::control_step_tracks_down, this), gui_context());
 709         ControlProtocol::GotoView.connect (*this, invalidator (*this), boost::bind (&Editor::control_view, this, _1), gui_context());
 710         ControlProtocol::CloseDialog.connect (*this, invalidator (*this), Keyboard::close_current_dialog, gui_context());
 711         ControlProtocol::VerticalZoomInAll.connect (*this, invalidator (*this), boost::bind (&Editor::control_vertical_zoom_in_all, this), gui_context());
 712         ControlProtocol::VerticalZoomOutAll.connect (*this, invalidator (*this), boost::bind (&Editor::control_vertical_zoom_out_all, this), gui_context());
 713         ControlProtocol::VerticalZoomInSelected.connect (*this, invalidator (*this), boost::bind (&Editor::control_vertical_zoom_in_selected, this), gui_context());
 714         ControlProtocol::VerticalZoomOutSelected.connect (*this, invalidator (*this), boost::bind (&Editor::control_vertical_zoom_out_selected, this), gui_context());
 715
 716         ControlProtocol::AddRouteToSelection.connect (*this, invalidator (*this), boost::bind (&Editor::control_select, this, _1, Selection::Add), gui_context());
 717         ControlProtocol::RemoveRouteFromSelection.connect (*this, invalidator (*this), boost::bind (&Editor::control_select, this, _1, Selection::Toggle), gui_context());
 718         ControlProtocol::SetRouteSelection.connect (*this, invalidator (*this), boost::bind (&Editor::control_select, this, _1, Selection::Set), gui_context());
 719         ControlProtocol::ToggleRouteSelection.connect (*this, invalidator (*this), boost::bind (&Editor::control_select, this, _1, Selection::Toggle), gui_context());
 720         ControlProtocol::ClearRouteSelection.connect (*this, invalidator (*this), boost::bind (&Editor::control_unselect, this), gui_context());
 721
 722         BasicUI::AccessAction.connect (*this, invalidator (*this), boost::bind (&Editor::access_action, this, _1, _2), gui_context());
 723
 724         /* problematic: has to return a value and thus cannot be x-thread */
 725
 726         Session::AskAboutPlaylistDeletion.connect_same_thread (*this, boost::bind (&Editor::playlist_deletion_dialog, this, _1));
 727
 728         Config->ParameterChanged.connect (*this, invalidator (*this), boost::bind (&Editor::parameter_changed, this, _1), gui_context());
 729
 730         TimeAxisView::CatchDeletion.connect (*this, invalidator (*this), boost::bind (&Editor::timeaxisview_deleted, this, _1), gui_context());
 731
 732         _ignore_region_action = false;
 733         _last_region_menu_was_main = false;
 734         _popup_region_menu_item = 0;
 735
 736         _show_marker_lines = false;
 737         _over_region_trim_target = false;
 738
 739         /* Button bindings */
 740
 741         button_bindings = new Bindings;
 742
 743         XMLNode* node = button_settings();
 744         if (node) {
 745                 for (XMLNodeList::const_iterator i = node->children().begin(); i != node->children().end(); ++i) {
 746                         button_bindings->load (**i);
 747                 }
 748         }
 749
 750         constructed = true;
 751         instant_save ();
 752
 753         setup_fade_images ();
 754 }
 755
 756 Editor::~Editor()
 757 {
 758 #ifdef WITH_CMT
 759         if(image_socket_listener) {
 760                 if(image_socket_listener->is_connected())
 761                 {
 762                         image_socket_listener->close_connection() ;
 763                 }
 764
 765                 delete image_socket_listener ;
 766                 image_socket_listener = 0 ;
 767         }
 768 #endif
 769
 770         delete button_bindings;
 771         delete _routes;
 772         delete _route_groups;
 773         delete track_canvas;
 774         delete _drags;
 775 }
 776
 777 XMLNode*
 778 Editor::button_settings () const
 779 {
 780         XMLNode* settings = ARDOUR_UI::instance()->editor_settings();
 781         XMLNode* node = find_named_node (*settings, X_("Buttons"));
 782
 783         if (!node) {
 784                 node = new XMLNode (X_("Buttons"));
 785         }
 786
 787         return node;
 788 }
 789
 790 void
 791 Editor::add_toplevel_controls (Container& cont)
 792 {
 793         vpacker.pack_start (cont, false, false);
 794         cont.show_all ();
 795 }
 796
 797 void
 798 Editor::catch_vanishing_regionview (RegionView *rv)
 799 {
 800         /* note: the selection will take care of the vanishing
 801            audioregionview by itself.
 802         */
 803
 804         if (_drags->active() && _drags->have_item (rv->get_canvas_group()) && !_drags->ending()) {
 805                 _drags->abort ();
 806         }
 807
 808         if (clicked_regionview == rv) {
 809                 clicked_regionview = 0;
 810         }
 811
 812         if (entered_regionview == rv) {
 813                 set_entered_regionview (0);
 814         }
 815
 816         if (!_all_region_actions_sensitized) {
 817                 sensitize_all_region_actions (true);
 818         }
 819
 820         _over_region_trim_target = false;
 821 }
 822
 823 void
 824 Editor::set_entered_regionview (RegionView* rv)
 825 {
 826         if (rv == entered_regionview) {
 827                 return;
 828         }
 829
 830         if (entered_regionview) {
 831                 entered_regionview->exited ();
 832         }
 833
 834         if ((entered_regionview = rv) != 0) {
 835                 entered_regionview->entered (internal_editing ());
 836         }
 837
 838         if (!_all_region_actions_sensitized && _last_region_menu_was_main) {
 839                 /* This RegionView entry might have changed what region actions
 840                    are allowed, so sensitize them all in case a key is pressed.
 841                 */
 842                 sensitize_all_region_actions (true);
 843         }
 844 }
 845
 846 void
 847 Editor::set_entered_track (TimeAxisView* tav)
 848 {
 849         if (entered_track) {
 850                 entered_track->exited ();
 851         }
 852
 853         if ((entered_track = tav) != 0) {
 854                 entered_track->entered ();
 855         }
 856 }
 857
 858 void
 859 Editor::show_window ()
 860 {
 861         if (!is_visible ()) {
 862                 show_all ();
 863
 864                 /* XXX: this is a bit unfortunate; it would probably
 865                    be nicer if we could just call show () above rather
 866                    than needing the show_all ()
 867                 */
 868
 869                 /* re-hide stuff if necessary */
 870                 editor_list_button_toggled ();
 871                 parameter_changed ("show-summary");
 872                 parameter_changed ("show-group-tabs");
 873                 parameter_changed ("show-zoom-tools");
 874
 875                 /* now reset all audio_time_axis heights, because widgets might need
 876                    to be re-hidden
 877                 */
 878
 879                 TimeAxisView *tv;
 880
 881                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
 882                         tv = (static_cast<TimeAxisView*>(*i));
 883                         tv->reset_height ();
 884                 }
 885
 886                 if (current_mixer_strip) {
 887                         current_mixer_strip->hide_things ();
 888                         current_mixer_strip->parameter_changed ("mixer-strip-visibility");
 889                 }
 890         }
 891
 892         present ();
 893 }
 894
 895 void
 896 Editor::instant_save ()
 897 {
 898         if (!constructed || !ARDOUR_UI::instance()->session_loaded) {
 899                 return;
 900         }
 901
 902         if (_session) {
 903                 _session->add_instant_xml(get_state());
 904         } else {
 905                 Config->add_instant_xml(get_state());
 906         }
 907 }
 908
 909 void
 910 Editor::zoom_adjustment_changed ()
 911 {
 912         if (_session == 0) {
 913                 return;
 914         }
 915
 916         double fpu = zoom_range_clock->current_duration() / _canvas_width;
 917         bool clamped = clamp_frames_per_unit (fpu);
 918
 919         if (clamped) {
 920                 zoom_range_clock->set ((framepos_t) floor (fpu * _canvas_width));
 921         }
 922
 923         temporal_zoom (fpu);
 924 }
 925
 926 void
 927 Editor::control_vertical_zoom_in_all ()
 928 {
 929         tav_zoom_smooth (false, true);
 930 }
 931
 932 void
 933 Editor::control_vertical_zoom_out_all ()
 934 {
 935         tav_zoom_smooth (true, true);
 936 }
 937
 938 void
 939 Editor::control_vertical_zoom_in_selected ()
 940 {
 941         tav_zoom_smooth (false, false);
 942 }
 943
 944 void
 945 Editor::control_vertical_zoom_out_selected ()
 946 {
 947         tav_zoom_smooth (true, false);
 948 }
 949
 950 void
 951 Editor::control_view (uint32_t view)
 952 {
 953         goto_visual_state (view);
 954 }
 955
 956 void
 957 Editor::control_unselect ()
 958 {
 959         selection->clear_tracks ();
 960 }
 961
 962 void
 963 Editor::control_select (uint32_t rid, Selection::Operation op)
 964 {
 965         /* handles the (static) signal from the ControlProtocol class that
 966          * requests setting the selected track to a given RID
 967          */
 968
 969         if (!_session) {
 970                 return;
 971         }
 972
 973         boost::shared_ptr<Route> r = _session->route_by_remote_id (rid);
 974
 975         if (!r) {
 976                 return;
 977         }
 978
 979         TimeAxisView* tav = axis_view_from_route (r);
 980
 981         if (tav) {
 982                 switch (op) {
 983                 case Selection::Add:
 984                         selection->add (tav);
 985                         break;
 986                 case Selection::Toggle:
 987                         selection->toggle (tav);
 988                         break;
 989                 case Selection::Extend:
 990                         break;
 991                 case Selection::Set:
 992                         selection->set (tav);
 993                         break;
 994                 }
 995         } else {
 996                 selection->clear_tracks ();
 997         }
 998 }
 999
1000 void
1001 Editor::control_step_tracks_up ()
1002 {
1003         scroll_tracks_up_line ();
1004 }
1005
1006 void
1007 Editor::control_step_tracks_down ()
1008 {
1009         scroll_tracks_down_line ();
1010 }
1011
1012 void
1013 Editor::control_scroll (float fraction)
1014 {
1015         ENSURE_GUI_THREAD (*this, &Editor::control_scroll, fraction)
1016
1017         if (!_session) {
1018                 return;
1019         }
1020
1021         double step = fraction * current_page_frames();
1022
1023         /*
1024                 _control_scroll_target is an optional<T>
1025
1026                 it acts like a pointer to an framepos_t, with
1027                 a operator conversion to boolean to check
1028                 that it has a value could possibly use
1029                 playhead_cursor->current_frame to store the
1030                 value and a boolean in the class to know
1031                 when it's out of date
1032         */
1033
1034         if (!_control_scroll_target) {
1035                 _control_scroll_target = _session->transport_frame();
1036                 _dragging_playhead = true;
1037         }
1038
1039         if ((fraction < 0.0f) && (*_control_scroll_target < (framepos_t) fabs(step))) {
1040                 *_control_scroll_target = 0;
1041         } else if ((fraction > 0.0f) && (max_framepos - *_control_scroll_target < step)) {
1042                 *_control_scroll_target = max_framepos - (current_page_frames()*2); // allow room for slop in where the PH is on the screen
1043         } else {
1044                 *_control_scroll_target += (framepos_t) floor (step);
1045         }
1046
1047         /* move visuals, we'll catch up with it later */
1048
1049         playhead_cursor->set_position (*_control_scroll_target);
1050         UpdateAllTransportClocks (*_control_scroll_target);
1051
1052         if (*_control_scroll_target > (current_page_frames() / 2)) {
1053                 /* try to center PH in window */
1054                 reset_x_origin (*_control_scroll_target - (current_page_frames()/2));
1055         } else {
1056                 reset_x_origin (0);
1057         }
1058
1059         /*
1060                 Now we do a timeout to actually bring the session to the right place
1061                 according to the playhead. This is to avoid reading disk buffers on every
1062                 call to control_scroll, which is driven by ScrollTimeline and therefore
1063                 probably by a control surface wheel which can generate lots of events.
1064         */
1065         /* cancel the existing timeout */
1066
1067         control_scroll_connection.disconnect ();
1068
1069         /* add the next timeout */
1070
1071         control_scroll_connection = Glib::signal_timeout().connect (sigc::bind (sigc::mem_fun (*this, &Editor::deferred_control_scroll), *_control_scroll_target), 250);
1072 }
1073
1074 bool
1075 Editor::deferred_control_scroll (framepos_t /*target*/)
1076 {
1077         _session->request_locate (*_control_scroll_target, _session->transport_rolling());
1078         // reset for next stream
1079         _control_scroll_target = boost::none;
1080         _dragging_playhead = false;
1081         return false;
1082 }
1083
1084 void
1085 Editor::access_action (std::string action_group, std::string action_item)
1086 {
1087         if (!_session) {
1088                 return;
1089         }
1090
1091         ENSURE_GUI_THREAD (*this, &Editor::access_action, action_group, action_item)
1092
1093         RefPtr<Action> act;
1094         act = ActionManager::get_action( action_group.c_str(), action_item.c_str() );
1095
1096         if (act) {
1097                 act->activate();
1098         }
1099 }
1100
1101 void
1102 Editor::on_realize ()
1103 {
1104         Window::on_realize ();
1105         Realized ();
1106 }
1107
1108 void
1109 Editor::map_position_change (framepos_t frame)
1110 {
1111         ENSURE_GUI_THREAD (*this, &Editor::map_position_change, frame)
1112
1113         if (_session == 0) {
1114                 return;
1115         }
1116
1117         if (_follow_playhead) {
1118                 center_screen (frame);
1119         }
1120
1121         playhead_cursor->set_position (frame);
1122 }
1123
1124 void
1125 Editor::center_screen (framepos_t frame)
1126 {
1127         double page = _canvas_width * frames_per_unit;
1128
1129         /* if we're off the page, then scroll.
1130          */
1131
1132         if (frame < leftmost_frame || frame >= leftmost_frame + page) {
1133                 center_screen_internal (frame, page);
1134         }
1135 }
1136
1137 void
1138 Editor::center_screen_internal (framepos_t frame, float page)
1139 {
1140         page /= 2;
1141
1142         if (frame > page) {
1143                 frame -= (framepos_t) page;
1144         } else {
1145                 frame = 0;
1146         }
1147
1148         reset_x_origin (frame);
1149 }
1150
1151
1152 void
1153 Editor::update_title ()
1154 {
1155         ENSURE_GUI_THREAD (*this, &Editor::update_title)
1156
1157         if (_session) {
1158                 bool dirty = _session->dirty();
1159
1160                 string session_name;
1161
1162                 if (_session->snap_name() != _session->name()) {
1163                         session_name = _session->snap_name();
1164                 } else {
1165                         session_name = _session->name();
1166                 }
1167
1168                 if (dirty) {
1169                         session_name = "*" + session_name;
1170                 }
1171
1172                 WindowTitle title(session_name);
1173                 title += Glib::get_application_name();
1174                 set_title (title.get_string());
1175         } else {
1176                 /* ::session_going_away() will have taken care of it */
1177         }
1178 }
1179
1180 void
1181 Editor::set_session (Session *t)
1182 {
1183         SessionHandlePtr::set_session (t);
1184
1185         if (!_session) {
1186                 return;
1187         }
1188
1189         zoom_range_clock->set_session (_session);
1190         _playlist_selector->set_session (_session);
1191         nudge_clock->set_session (_session);
1192         _summary->set_session (_session);
1193         _group_tabs->set_session (_session);
1194         _route_groups->set_session (_session);
1195         _regions->set_session (_session);
1196         _snapshots->set_session (_session);
1197         _routes->set_session (_session);
1198         _locations->set_session (_session);
1199
1200         if (rhythm_ferret) {
1201                 rhythm_ferret->set_session (_session);
1202         }
1203
1204         if (analysis_window) {
1205                 analysis_window->set_session (_session);
1206         }
1207
1208         if (sfbrowser) {
1209                 sfbrowser->set_session (_session);
1210         }
1211
1212         compute_fixed_ruler_scale ();
1213
1214         /* Make sure we have auto loop and auto punch ranges */
1215
1216         Location* loc = _session->locations()->auto_loop_location();
1217         if (loc == 0) {
1218                 loc = new Location (*_session, 0, _session->current_end_frame(), _("Loop"),(Location::Flags) (Location::IsAutoLoop | Location::IsHidden));
1219
1220                 if (loc->start() == loc->end()) {
1221                         loc->set_end (loc->start() + 1);
1222                 }
1223
1224                 _session->locations()->add (loc, false);
1225                 _session->set_auto_loop_location (loc);
1226         } else {
1227                 // force name
1228                 loc->set_name (_("Loop"));
1229         }
1230
1231         loc = _session->locations()->auto_punch_location();
1232
1233         if (loc == 0) {
1234                 loc = new Location (*_session, 0, _session->current_end_frame(), _("Punch"), (Location::Flags) (Location::IsAutoPunch | Location::IsHidden));
1235
1236                 if (loc->start() == loc->end()) {
1237                         loc->set_end (loc->start() + 1);
1238                 }
1239
1240                 _session->locations()->add (loc, false);
1241                 _session->set_auto_punch_location (loc);
1242         } else {
1243                 // force name
1244                 loc->set_name (_("Punch"));
1245         }
1246
1247         refresh_location_display ();
1248
1249         /* This must happen after refresh_location_display(), as (amongst other things) we restore
1250            the selected Marker; this needs the LocationMarker list to be available.
1251         */
1252         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
1253         set_state (*node, Stateful::loading_state_version);
1254
1255         /* catch up with the playhead */
1256
1257         _session->request_locate (playhead_cursor->current_frame);
1258         _pending_initial_locate = true;
1259
1260         update_title ();
1261
1262         /* These signals can all be emitted by a non-GUI thread. Therefore the
1263            handlers for them must not attempt to directly interact with the GUI,
1264            but use Gtkmm2ext::UI::instance()->call_slot();
1265         */
1266
1267         _session->StepEditStatusChange.connect (_session_connections, invalidator (*this), boost::bind (&Editor::step_edit_status_change, this, _1), gui_context());
1268         _session->TransportStateChange.connect (_session_connections, invalidator (*this), boost::bind (&Editor::map_transport_state, this), gui_context());
1269         _session->PositionChanged.connect (_session_connections, invalidator (*this), boost::bind (&Editor::map_position_change, this, _1), gui_context());
1270         _session->RouteAdded.connect (_session_connections, invalidator (*this), boost::bind (&Editor::add_routes, this, _1), gui_context());
1271         _session->DirtyChanged.connect (_session_connections, invalidator (*this), boost::bind (&Editor::update_title, this), gui_context());
1272         _session->tempo_map().PropertyChanged.connect (_session_connections, invalidator (*this), boost::bind (&Editor::tempo_map_changed, this, _1), gui_context());
1273         _session->Located.connect (_session_connections, invalidator (*this), boost::bind (&Editor::located, this), gui_context());
1274         _session->config.ParameterChanged.connect (_session_connections, invalidator (*this), boost::bind (&Editor::parameter_changed, this, _1), gui_context());
1275         _session->StateSaved.connect (_session_connections, invalidator (*this), boost::bind (&Editor::session_state_saved, this, _1), gui_context());
1276         _session->locations()->added.connect (_session_connections, invalidator (*this), boost::bind (&Editor::add_new_location, this, _1), gui_context());
1277         _session->locations()->removed.connect (_session_connections, invalidator (*this), boost::bind (&Editor::location_gone, this, _1), gui_context());
1278         _session->locations()->changed.connect (_session_connections, invalidator (*this), boost::bind (&Editor::refresh_location_display, this), gui_context());
1279         _session->locations()->StateChanged.connect (_session_connections, invalidator (*this), boost::bind (&Editor::refresh_location_display, this), gui_context());
1280         _session->history().Changed.connect (_session_connections, invalidator (*this), boost::bind (&Editor::history_changed, this), gui_context());
1281
1282         playhead_cursor->canvas_item.show ();
1283
1284         boost::function<void (string)> pc (boost::bind (&Editor::parameter_changed, this, _1));
1285         Config->map_parameters (pc);
1286         _session->config.map_parameters (pc);
1287
1288         restore_ruler_visibility ();
1289         //tempo_map_changed (PropertyChange (0));
1290         _session->tempo_map().apply_with_metrics (*this, &Editor::draw_metric_marks);
1291
1292         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
1293                 (static_cast<TimeAxisView*>(*i))->set_samples_per_unit (frames_per_unit);
1294         }
1295
1296         super_rapid_screen_update_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect (
1297                 sigc::mem_fun (*this, &Editor::super_rapid_screen_update)
1298                 );
1299
1300         switch (_snap_type) {
1301         case SnapToRegionStart:
1302         case SnapToRegionEnd:
1303         case SnapToRegionSync:
1304         case SnapToRegionBoundary:
1305                 build_region_boundary_cache ();
1306                 break;
1307
1308         default:
1309                 break;
1310         }
1311
1312         /* register for undo history */
1313         _session->register_with_memento_command_factory(id(), this);
1314
1315         ActionManager::ui_manager->signal_pre_activate().connect (sigc::mem_fun (*this, &Editor::action_pre_activated));
1316
1317         start_updating_meters ();
1318 }
1319
1320 void
1321 Editor::action_pre_activated (Glib::RefPtr<Action> const & a)
1322 {
1323         if (a->get_name() == "RegionMenu") {
1324                 /* When the main menu's region menu is opened, we setup the actions so that they look right
1325                    in the menu.  I can't find a way of getting a signal when this menu is subsequently closed,
1326                    so we resensitize all region actions when the entered regionview or the region selection
1327                    changes.  HOWEVER we can't always resensitize on entered_regionview change because that
1328                    happens after the region context menu is opened.  So we set a flag here, too.
1329
1330                    What a carry on :(
1331                 */
1332                 sensitize_the_right_region_actions ();
1333                 _last_region_menu_was_main = true;
1334         }
1335 }
1336
1337 void
1338 Editor::fill_xfade_menu (Menu_Helpers::MenuList& items, bool start)
1339 {
1340         using namespace Menu_Helpers;
1341
1342         void (Editor::*emf)(FadeShape);
1343         std::map<ARDOUR::FadeShape,Gtk::Image*>* images;
1344
1345         if (start) {
1346                 images = &_xfade_in_images;
1347                 emf = &Editor::set_fade_in_shape;
1348         } else {
1349                 images = &_xfade_out_images;
1350                 emf = &Editor::set_fade_out_shape;
1351         }
1352
1353         items.push_back (
1354                 ImageMenuElem (
1355                         _("Linear (for highly correlated material)"),
1356                         *(*images)[FadeLinear],
1357                         sigc::bind (sigc::mem_fun (*this, emf), FadeLinear)
1358                         )
1359                 );
1360
1361         dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
1362
1363         items.push_back (
1364                 ImageMenuElem (
1365                         _("ConstantPower"),
1366                         *(*images)[FadeConstantPower],
1367                         sigc::bind (sigc::mem_fun (*this, emf), FadeConstantPower)
1368                         ));
1369
1370         dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
1371
1372         items.push_back (
1373                 ImageMenuElem (
1374                         _("Symmetric"),
1375                         *(*images)[FadeSymmetric],
1376                         sigc::bind (sigc::mem_fun (*this, emf), FadeSymmetric)
1377                         )
1378                 );
1379
1380         dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
1381
1382         items.push_back (
1383                 ImageMenuElem (
1384                         _("Slow"),
1385                         *(*images)[FadeSlow],
1386                         sigc::bind (sigc::mem_fun (*this, emf), FadeSlow)
1387                         ));
1388
1389         dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
1390
1391         items.push_back (
1392                 ImageMenuElem (
1393                         _("Fast"),
1394                         *(*images)[FadeFast],
1395                         sigc::bind (sigc::mem_fun (*this, emf), FadeFast)
1396                         ));
1397
1398         dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
1399 }
1400
1401 /** Pop up a context menu for when the user clicks on a start crossfade */
1402 void
1403 Editor::popup_xfade_in_context_menu (int button, int32_t time, ArdourCanvas::Item* /*item*/, ItemType /*item_type*/)
1404 {
1405         using namespace Menu_Helpers;
1406
1407         MenuList& items (xfade_in_context_menu.items());
1408
1409         if (items.empty()) {
1410                 fill_xfade_menu (items, true);
1411         }
1412
1413         xfade_in_context_menu.popup (button, time);
1414 }
1415
1416 /** Pop up a context menu for when the user clicks on an end crossfade */
1417 void
1418 Editor::popup_xfade_out_context_menu (int button, int32_t time, ArdourCanvas::Item* /*item*/, ItemType /*item_type*/)
1419 {
1420         using namespace Menu_Helpers;
1421
1422         MenuList& items (xfade_out_context_menu.items());
1423
1424         if (items.empty()) {
1425                 fill_xfade_menu (items, false);
1426         }
1427
1428         xfade_out_context_menu.popup (button, time);
1429 }
1430
1431
1432 /** Pop up a context menu for when the user clicks on a fade in or fade out */
1433 void
1434 Editor::popup_fade_context_menu (int button, int32_t time, ArdourCanvas::Item* item, ItemType item_type)
1435 {
1436         using namespace Menu_Helpers;
1437         AudioRegionView* arv = static_cast<AudioRegionView*> (item->get_data ("regionview"));
1438
1439         if (arv == 0) {
1440                 fatal << _("programming error: fade in canvas item has no regionview data pointer!") << endmsg;
1441                 /*NOTREACHED*/
1442         }
1443
1444         MenuList& items (fade_context_menu.items());
1445         items.clear ();
1446
1447         switch (item_type) {
1448         case FadeInItem:
1449         case FadeInHandleItem:
1450                 if (arv->audio_region()->fade_in_active()) {
1451                         items.push_back (MenuElem (_("Deactivate"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_active), false)));
1452                 } else {
1453                         items.push_back (MenuElem (_("Activate"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_active), true)));
1454                 }
1455
1456                 items.push_back (SeparatorElem());
1457
1458                 if (Profile->get_sae()) {
1459
1460                         items.push_back (MenuElem (_("Linear"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), FadeLinear)));
1461                         items.push_back (MenuElem (_("Slowest"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), FadeFast)));
1462
1463                 } else {
1464
1465                         items.push_back (
1466                                 ImageMenuElem (
1467                                         _("Linear"),
1468                                         *_fade_in_images[FadeLinear],
1469                                         sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), FadeLinear)
1470                                         )
1471                                 );
1472
1473                         dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
1474
1475                         items.push_back (
1476                                 ImageMenuElem (
1477                                         _("Slow"),
1478                                         *_fade_in_images[FadeSlow],
1479                                         sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), FadeSlow)
1480                                         ));
1481
1482                         dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
1483
1484                         items.push_back (
1485                                 ImageMenuElem (
1486                                         _("Fast"),
1487                                         *_fade_in_images[FadeFast],
1488                                         sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), FadeFast)
1489                                         ));
1490
1491                         dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
1492
1493                         items.push_back (
1494                                 ImageMenuElem (
1495                                         _("Symmetric"),
1496                                         *_fade_in_images[FadeSymmetric],
1497                                         sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), FadeSymmetric)
1498                                         ));
1499
1500                         items.push_back (
1501                                 ImageMenuElem (
1502                                         _("Constant Power"),
1503                                         *_fade_in_images[FadeConstantPower],
1504                                         sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), FadeConstantPower)
1505                                         ));
1506
1507                         dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
1508                 }
1509
1510                 break;
1511
1512         case FadeOutItem:
1513         case FadeOutHandleItem:
1514                 if (arv->audio_region()->fade_out_active()) {
1515                         items.push_back (MenuElem (_("Deactivate"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_active), false)));
1516                 } else {
1517                         items.push_back (MenuElem (_("Activate"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_active), true)));
1518                 }
1519
1520                 items.push_back (SeparatorElem());
1521
1522                 if (Profile->get_sae()) {
1523                         items.push_back (MenuElem (_("Linear"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), FadeLinear)));
1524                         items.push_back (MenuElem (_("Slowest"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), FadeSlow)));
1525                 } else {
1526
1527                         items.push_back (
1528                                 ImageMenuElem (
1529                                         _("Linear"),
1530                                         *_fade_out_images[FadeLinear],
1531                                         sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), FadeLinear)
1532                                         )
1533                                 );
1534
1535                         dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
1536
1537                         items.push_back (
1538                                 ImageMenuElem (
1539                                         _("Slow"),
1540                                         *_fade_out_images[FadeSlow],
1541                                         sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), FadeSlow)
1542                                         ));
1543
1544                         dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
1545
1546                         items.push_back (
1547                                 ImageMenuElem (
1548                                         _("Fast"),
1549                                         *_fade_out_images[FadeFast],
1550                                         sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), FadeFast)
1551                                         ));
1552
1553                         dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
1554
1555                         items.push_back (
1556                                 ImageMenuElem (
1557                                         _("Symmetric"),
1558                                         *_fade_out_images[FadeSymmetric],
1559                                         sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), FadeSymmetric)
1560                                         ));
1561
1562                         items.push_back (
1563                                 ImageMenuElem (
1564                                         _("Constant Power"),
1565                                         *_fade_out_images[FadeConstantPower],
1566                                         sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), FadeConstantPower)
1567                                         ));
1568
1569                         dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
1570                 }
1571
1572                 break;
1573
1574         default:
1575                 fatal << _("programming error: ")
1576                       << X_("non-fade canvas item passed to popup_fade_context_menu()")
1577                       << endmsg;
1578                 /*NOTREACHED*/
1579         }
1580
1581         fade_context_menu.popup (button, time);
1582 }
1583
1584 void
1585 Editor::popup_track_context_menu (int button, int32_t time, ItemType item_type, bool with_selection)
1586 {
1587         using namespace Menu_Helpers;
1588         Menu* (Editor::*build_menu_function)();
1589         Menu *menu;
1590
1591         switch (item_type) {
1592         case RegionItem:
1593         case RegionViewName:
1594         case RegionViewNameHighlight:
1595         case LeftFrameHandle:
1596         case RightFrameHandle:
1597                 if (with_selection) {
1598                         build_menu_function = &Editor::build_track_selection_context_menu;
1599                 } else {
1600                         build_menu_function = &Editor::build_track_region_context_menu;
1601                 }
1602                 break;
1603
1604         case SelectionItem:
1605                 if (with_selection) {
1606                         build_menu_function = &Editor::build_track_selection_context_menu;
1607                 } else {
1608                         build_menu_function = &Editor::build_track_context_menu;
1609                 }
1610                 break;
1611
1612         case StreamItem:
1613                 if (clicked_routeview->track()) {
1614                         build_menu_function = &Editor::build_track_context_menu;
1615                 } else {
1616                         build_menu_function = &Editor::build_track_bus_context_menu;
1617                 }
1618                 break;
1619
1620         default:
1621                 /* probably shouldn't happen but if it does, we don't care */
1622                 return;
1623         }
1624
1625         menu = (this->*build_menu_function)();
1626         menu->set_name ("ArdourContextMenu");
1627
1628         /* now handle specific situations */
1629
1630         switch (item_type) {
1631         case RegionItem:
1632         case RegionViewName:
1633         case RegionViewNameHighlight:
1634         case LeftFrameHandle:
1635         case RightFrameHandle:
1636                 if (!with_selection) {
1637                         if (region_edit_menu_split_item) {
1638                                 if (clicked_regionview && clicked_regionview->region()->covers (get_preferred_edit_position())) {
1639                                         ActionManager::set_sensitive (ActionManager::edit_point_in_region_sensitive_actions, true);
1640                                 } else {
1641                                         ActionManager::set_sensitive (ActionManager::edit_point_in_region_sensitive_actions, false);
1642                                 }
1643                         }
1644                         if (region_edit_menu_split_multichannel_item) {
1645                                 if (clicked_regionview && clicked_regionview->region()->n_channels() > 1) {
1646                                         region_edit_menu_split_multichannel_item->set_sensitive (true);
1647                                 } else {
1648                                         region_edit_menu_split_multichannel_item->set_sensitive (false);
1649                                 }
1650                         }
1651                 }
1652                 break;
1653
1654         case SelectionItem:
1655                 break;
1656
1657         case StreamItem:
1658                 break;
1659
1660         default:
1661                 /* probably shouldn't happen but if it does, we don't care */
1662                 return;
1663         }
1664
1665         if (item_type != SelectionItem && clicked_routeview && clicked_routeview->audio_track()) {
1666
1667                 /* Bounce to disk */
1668
1669                 using namespace Menu_Helpers;
1670                 MenuList& edit_items  = menu->items();
1671
1672                 edit_items.push_back (SeparatorElem());
1673
1674                 switch (clicked_routeview->audio_track()->freeze_state()) {
1675                 case AudioTrack::NoFreeze:
1676                         edit_items.push_back (MenuElem (_("Freeze"), sigc::mem_fun(*this, &Editor::freeze_route)));
1677                         break;
1678
1679                 case AudioTrack::Frozen:
1680                         edit_items.push_back (MenuElem (_("Unfreeze"), sigc::mem_fun(*this, &Editor::unfreeze_route)));
1681                         break;
1682
1683                 case AudioTrack::UnFrozen:
1684                         edit_items.push_back (MenuElem (_("Freeze"), sigc::mem_fun(*this, &Editor::freeze_route)));
1685                         break;
1686                 }
1687
1688         }
1689
1690         if (item_type == StreamItem && clicked_routeview) {
1691                 clicked_routeview->build_underlay_menu(menu);
1692         }
1693
1694         /* When the region menu is opened, we setup the actions so that they look right
1695            in the menu.
1696         */
1697         sensitize_the_right_region_actions ();
1698         _last_region_menu_was_main = false;
1699
1700         menu->signal_hide().connect (sigc::bind (sigc::mem_fun (*this, &Editor::sensitize_all_region_actions), true));
1701         menu->popup (button, time);
1702 }
1703
1704 Menu*
1705 Editor::build_track_context_menu ()
1706 {
1707         using namespace Menu_Helpers;
1708
1709         MenuList& edit_items = track_context_menu.items();
1710         edit_items.clear();
1711
1712         add_dstream_context_items (edit_items);
1713         return &track_context_menu;
1714 }
1715
1716 Menu*
1717 Editor::build_track_bus_context_menu ()
1718 {
1719         using namespace Menu_Helpers;
1720
1721         MenuList& edit_items = track_context_menu.items();
1722         edit_items.clear();
1723
1724         add_bus_context_items (edit_items);
1725         return &track_context_menu;
1726 }
1727
1728 Menu*
1729 Editor::build_track_region_context_menu ()
1730 {
1731         using namespace Menu_Helpers;
1732         MenuList& edit_items  = track_region_context_menu.items();
1733         edit_items.clear();
1734
1735         /* we've just cleared the track region context menu, so the menu that these
1736            two items were on will have disappeared; stop them dangling.
1737         */
1738         region_edit_menu_split_item = 0;
1739         region_edit_menu_split_multichannel_item = 0;
1740
1741         RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (clicked_axisview);
1742
1743         if (rtv) {
1744                 boost::shared_ptr<Track> tr;
1745                 boost::shared_ptr<Playlist> pl;
1746
1747                 if ((tr = rtv->track())) {
1748                         add_region_context_items (edit_items, tr);
1749                 }
1750         }
1751
1752         add_dstream_context_items (edit_items);
1753
1754         return &track_region_context_menu;
1755 }
1756
1757 void
1758 Editor::analyze_region_selection ()
1759 {
1760         if (analysis_window == 0) {
1761                 analysis_window = new AnalysisWindow();
1762
1763                 if (_session != 0)
1764                         analysis_window->set_session(_session);
1765
1766                 analysis_window->show_all();
1767         }
1768
1769         analysis_window->set_regionmode();
1770         analysis_window->analyze();
1771
1772         analysis_window->present();
1773 }
1774
1775 void
1776 Editor::analyze_range_selection()
1777 {
1778         if (analysis_window == 0) {
1779                 analysis_window = new AnalysisWindow();
1780
1781                 if (_session != 0)
1782                         analysis_window->set_session(_session);
1783
1784                 analysis_window->show_all();
1785         }
1786
1787         analysis_window->set_rangemode();
1788         analysis_window->analyze();
1789
1790         analysis_window->present();
1791 }
1792
1793 Menu*
1794 Editor::build_track_selection_context_menu ()
1795 {
1796         using namespace Menu_Helpers;
1797         MenuList& edit_items  = track_selection_context_menu.items();
1798         edit_items.clear ();
1799
1800         add_selection_context_items (edit_items);
1801         // edit_items.push_back (SeparatorElem());
1802         // add_dstream_context_items (edit_items);
1803
1804         return &track_selection_context_menu;
1805 }
1806
1807 void
1808 Editor::add_region_context_items (Menu_Helpers::MenuList& edit_items, boost::shared_ptr<Track> track)
1809 {
1810         using namespace Menu_Helpers;
1811
1812         /* OK, stick the region submenu at the top of the list, and then add
1813            the standard items.
1814         */
1815
1816         RegionSelection rs = get_regions_from_selection_and_entered ();
1817
1818         string::size_type pos = 0;
1819         string menu_item_name = (rs.size() == 1) ? rs.front()->region()->name() : _("Selected Regions");
1820
1821         /* we have to hack up the region name because "_" has a special
1822            meaning for menu titles.
1823         */
1824
1825         while ((pos = menu_item_name.find ("_", pos)) != string::npos) {
1826                 menu_item_name.replace (pos, 1, "__");
1827                 pos += 2;
1828         }
1829
1830         if (_popup_region_menu_item == 0) {
1831                 _popup_region_menu_item = new MenuItem (menu_item_name);
1832                 _popup_region_menu_item->set_submenu (*dynamic_cast<Menu*> (ActionManager::get_widget (X_("/PopupRegionMenu"))));
1833                 _popup_region_menu_item->show ();
1834         } else {
1835                 _popup_region_menu_item->set_label (menu_item_name);
1836         }
1837
1838         const framepos_t position = get_preferred_edit_position (false, true);
1839
1840         edit_items.push_back (*_popup_region_menu_item);
1841         if (track->playlist()->count_regions_at (position) > 1 && (layering_order_editor == 0 || !layering_order_editor->is_visible ())) {
1842                 edit_items.push_back (*manage (_region_actions->get_action ("choose-top-region-context-menu")->create_menu_item ()));
1843         }
1844         edit_items.push_back (SeparatorElem());
1845 }
1846
1847 /** Add context menu items relevant to selection ranges.
1848  * @param edit_items List to add the items to.
1849  */
1850 void
1851 Editor::add_selection_context_items (Menu_Helpers::MenuList& edit_items)
1852 {
1853         using namespace Menu_Helpers;
1854
1855         edit_items.push_back (MenuElem (_("Play Range"), sigc::mem_fun(*this, &Editor::play_selection)));
1856         edit_items.push_back (MenuElem (_("Loop Range"), sigc::bind (sigc::mem_fun(*this, &Editor::set_loop_from_selection), true)));
1857
1858         edit_items.push_back (SeparatorElem());
1859         edit_items.push_back (MenuElem (_("Spectral Analysis"), sigc::mem_fun(*this, &Editor::analyze_range_selection)));
1860
1861         edit_items.push_back (SeparatorElem());
1862
1863         edit_items.push_back (
1864                 MenuElem (
1865                         _("Move Range Start to Previous Region Boundary"),
1866                         sigc::bind (sigc::mem_fun (*this, &Editor::move_range_selection_start_or_end_to_region_boundary), false, false)
1867                         )
1868                 );
1869
1870         edit_items.push_back (
1871                 MenuElem (
1872                         _("Move Range Start to Next Region Boundary"),
1873                         sigc::bind (sigc::mem_fun (*this, &Editor::move_range_selection_start_or_end_to_region_boundary), false, true)
1874                         )
1875                 );
1876
1877         edit_items.push_back (
1878                 MenuElem (
1879                         _("Move Range End to Previous Region Boundary"),
1880                         sigc::bind (sigc::mem_fun (*this, &Editor::move_range_selection_start_or_end_to_region_boundary), true, false)
1881                         )
1882                 );
1883
1884         edit_items.push_back (
1885                 MenuElem (
1886                         _("Move Range End to Next Region Boundary"),
1887                         sigc::bind (sigc::mem_fun (*this, &Editor::move_range_selection_start_or_end_to_region_boundary), true, true)
1888                         )
1889                 );
1890
1891         edit_items.push_back (SeparatorElem());
1892         edit_items.push_back (MenuElem (_("Convert to Region In-Place"), mem_fun(*this, &Editor::separate_region_from_selection)));
1893         edit_items.push_back (MenuElem (_("Convert to Region in Region List"), sigc::mem_fun(*this, &Editor::new_region_from_selection)));
1894
1895         edit_items.push_back (SeparatorElem());
1896         edit_items.push_back (MenuElem (_("Select All in Range"), sigc::mem_fun(*this, &Editor::select_all_selectables_using_time_selection)));
1897
1898         edit_items.push_back (SeparatorElem());
1899         edit_items.push_back (MenuElem (_("Set Loop from Range"), sigc::bind (sigc::mem_fun(*this, &Editor::set_loop_from_selection), false)));
1900         edit_items.push_back (MenuElem (_("Set Punch from Range"), sigc::mem_fun(*this, &Editor::set_punch_from_selection)));
1901
1902         edit_items.push_back (SeparatorElem());
1903         edit_items.push_back (MenuElem (_("Add Range Markers"), sigc::mem_fun (*this, &Editor::add_location_from_selection)));
1904
1905         edit_items.push_back (SeparatorElem());
1906         edit_items.push_back (MenuElem (_("Crop Region to Range"), sigc::mem_fun(*this, &Editor::crop_region_to_selection)));
1907         edit_items.push_back (MenuElem (_("Fill Range with Region"), sigc::mem_fun(*this, &Editor::region_fill_selection)));
1908         edit_items.push_back (MenuElem (_("Duplicate Range"), sigc::bind (sigc::mem_fun(*this, &Editor::duplicate_range), false)));
1909
1910         edit_items.push_back (SeparatorElem());
1911         edit_items.push_back (MenuElem (_("Consolidate Range"), sigc::bind (sigc::mem_fun(*this, &Editor::bounce_range_selection), true, false)));
1912         edit_items.push_back (MenuElem (_("Consolidate Range With Processing"), sigc::bind (sigc::mem_fun(*this, &Editor::bounce_range_selection), true, true)));
1913         edit_items.push_back (MenuElem (_("Bounce Range to Region List"), sigc::bind (sigc::mem_fun(*this, &Editor::bounce_range_selection), false, false)));
1914         edit_items.push_back (MenuElem (_("Bounce Range to Region List With Processing"), sigc::bind (sigc::mem_fun(*this, &Editor::bounce_range_selection), false, true)));
1915         edit_items.push_back (MenuElem (_("Export Range..."), sigc::mem_fun(*this, &Editor::export_selection)));
1916 }
1917
1918
1919 void
1920 Editor::add_dstream_context_items (Menu_Helpers::MenuList& edit_items)
1921 {
1922         using namespace Menu_Helpers;
1923
1924         /* Playback */
1925
1926         Menu *play_menu = manage (new Menu);
1927         MenuList& play_items = play_menu->items();
1928         play_menu->set_name ("ArdourContextMenu");
1929
1930         play_items.push_back (MenuElem (_("Play From Edit Point"), sigc::mem_fun(*this, &Editor::play_from_edit_point)));
1931         play_items.push_back (MenuElem (_("Play From Start"), sigc::mem_fun(*this, &Editor::play_from_start)));
1932         play_items.push_back (MenuElem (_("Play Region"), sigc::mem_fun(*this, &Editor::play_selected_region)));
1933         play_items.push_back (SeparatorElem());
1934         play_items.push_back (MenuElem (_("Loop Region"), sigc::bind (sigc::mem_fun (*this, &Editor::set_loop_from_region), true)));
1935
1936         edit_items.push_back (MenuElem (_("Play"), *play_menu));
1937
1938         /* Selection */
1939
1940         Menu *select_menu = manage (new Menu);
1941         MenuList& select_items = select_menu->items();
1942         select_menu->set_name ("ArdourContextMenu");
1943
1944         select_items.push_back (MenuElem (_("Select All in Track"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
1945         select_items.push_back (MenuElem (_("Select All"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all), Selection::Set)));
1946         select_items.push_back (MenuElem (_("Invert Selection in Track"), sigc::mem_fun(*this, &Editor::invert_selection_in_track)));
1947         select_items.push_back (MenuElem (_("Invert Selection"), sigc::mem_fun(*this, &Editor::invert_selection)));
1948         select_items.push_back (SeparatorElem());
1949         select_items.push_back (MenuElem (_("Set Range to Loop Range"), sigc::mem_fun(*this, &Editor::set_selection_from_loop)));
1950         select_items.push_back (MenuElem (_("Set Range to Punch Range"), sigc::mem_fun(*this, &Editor::set_selection_from_punch)));
1951         select_items.push_back (SeparatorElem());
1952         select_items.push_back (MenuElem (_("Select All After Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_edit), true)));
1953         select_items.push_back (MenuElem (_("Select All Before Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_edit), false)));
1954         select_items.push_back (MenuElem (_("Select All After Playhead"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
1955         select_items.push_back (MenuElem (_("Select All Before Playhead"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
1956         select_items.push_back (MenuElem (_("Select All Between Playhead and Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_between), false)));
1957         select_items.push_back (MenuElem (_("Select All Within Playhead and Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_between), true)));
1958         select_items.push_back (MenuElem (_("Select Range Between Playhead and Edit Point"), sigc::mem_fun(*this, &Editor::select_range_between)));
1959
1960         edit_items.push_back (MenuElem (_("Select"), *select_menu));
1961
1962         /* Cut-n-Paste */
1963
1964         Menu *cutnpaste_menu = manage (new Menu);
1965         MenuList& cutnpaste_items = cutnpaste_menu->items();
1966         cutnpaste_menu->set_name ("ArdourContextMenu");
1967
1968         cutnpaste_items.push_back (MenuElem (_("Cut"), sigc::mem_fun(*this, &Editor::cut)));
1969         cutnpaste_items.push_back (MenuElem (_("Copy"), sigc::mem_fun(*this, &Editor::copy)));
1970         cutnpaste_items.push_back (MenuElem (_("Paste"), sigc::bind (sigc::mem_fun(*this, &Editor::paste), 1.0f, true)));
1971
1972         cutnpaste_items.push_back (SeparatorElem());
1973
1974         cutnpaste_items.push_back (MenuElem (_("Align"), sigc::bind (sigc::mem_fun (*this, &Editor::align_regions), ARDOUR::SyncPoint)));
1975         cutnpaste_items.push_back (MenuElem (_("Align Relative"), sigc::bind (sigc::mem_fun (*this, &Editor::align_regions_relative), ARDOUR::SyncPoint)));
1976
1977         edit_items.push_back (MenuElem (_("Edit"), *cutnpaste_menu));
1978
1979         /* Adding new material */
1980
1981         edit_items.push_back (SeparatorElem());
1982         edit_items.push_back (MenuElem (_("Insert Selected Region"), sigc::bind (sigc::mem_fun(*this, &Editor::insert_region_list_selection), 1.0f)));
1983         edit_items.push_back (MenuElem (_("Insert Existing Media"), sigc::bind (sigc::mem_fun(*this, &Editor::add_external_audio_action), ImportToTrack)));
1984
1985         /* Nudge track */
1986
1987         Menu *nudge_menu = manage (new Menu());
1988         MenuList& nudge_items = nudge_menu->items();
1989         nudge_menu->set_name ("ArdourContextMenu");
1990
1991         edit_items.push_back (SeparatorElem());
1992         nudge_items.push_back (MenuElem (_("Nudge Entire Track Later"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), false, true))));
1993         nudge_items.push_back (MenuElem (_("Nudge Track After Edit Point Later"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), true, true))));
1994         nudge_items.push_back (MenuElem (_("Nudge Entire Track Earlier"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), false, false))));
1995         nudge_items.push_back (MenuElem (_("Nudge Track After Edit Point Earlier"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), true, false))));
1996
1997         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
1998 }
1999
2000 void
2001 Editor::add_bus_context_items (Menu_Helpers::MenuList& edit_items)
2002 {
2003         using namespace Menu_Helpers;
2004
2005         /* Playback */
2006
2007         Menu *play_menu = manage (new Menu);
2008         MenuList& play_items = play_menu->items();
2009         play_menu->set_name ("ArdourContextMenu");
2010
2011         play_items.push_back (MenuElem (_("Play From Edit Point"), sigc::mem_fun(*this, &Editor::play_from_edit_point)));
2012         play_items.push_back (MenuElem (_("Play From Start"), sigc::mem_fun(*this, &Editor::play_from_start)));
2013         edit_items.push_back (MenuElem (_("Play"), *play_menu));
2014
2015         /* Selection */
2016
2017         Menu *select_menu = manage (new Menu);
2018         MenuList& select_items = select_menu->items();
2019         select_menu->set_name ("ArdourContextMenu");
2020
2021         select_items.push_back (MenuElem (_("Select All in Track"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
2022         select_items.push_back (MenuElem (_("Select All"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all), Selection::Set)));
2023         select_items.push_back (MenuElem (_("Invert Selection in Track"), sigc::mem_fun(*this, &Editor::invert_selection_in_track)));
2024         select_items.push_back (MenuElem (_("Invert Selection"), sigc::mem_fun(*this, &Editor::invert_selection)));
2025         select_items.push_back (SeparatorElem());
2026         select_items.push_back (MenuElem (_("Select All After Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_edit), true)));
2027         select_items.push_back (MenuElem (_("Select All Before Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_edit), false)));
2028         select_items.push_back (MenuElem (_("Select All After Playhead"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
2029         select_items.push_back (MenuElem (_("Select All Before Playhead"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
2030
2031         edit_items.push_back (MenuElem (_("Select"), *select_menu));
2032
2033         /* Cut-n-Paste */
2034
2035         Menu *cutnpaste_menu = manage (new Menu);
2036         MenuList& cutnpaste_items = cutnpaste_menu->items();
2037         cutnpaste_menu->set_name ("ArdourContextMenu");
2038
2039         cutnpaste_items.push_back (MenuElem (_("Cut"), sigc::mem_fun(*this, &Editor::cut)));
2040         cutnpaste_items.push_back (MenuElem (_("Copy"), sigc::mem_fun(*this, &Editor::copy)));
2041         cutnpaste_items.push_back (MenuElem (_("Paste"), sigc::bind (sigc::mem_fun(*this, &Editor::paste), 1.0f, true)));
2042
2043         Menu *nudge_menu = manage (new Menu());
2044         MenuList& nudge_items = nudge_menu->items();
2045         nudge_menu->set_name ("ArdourContextMenu");
2046
2047         edit_items.push_back (SeparatorElem());
2048         nudge_items.push_back (MenuElem (_("Nudge Entire Track Later"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), false, true))));
2049         nudge_items.push_back (MenuElem (_("Nudge Track After Edit Point Later"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), true, true))));
2050         nudge_items.push_back (MenuElem (_("Nudge Entire Track Earlier"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), false, false))));
2051         nudge_items.push_back (MenuElem (_("Nudge Track After Edit Point Earlier"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), true, false))));
2052
2053         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
2054 }
2055
2056 SnapType
2057 Editor::snap_type() const
2058 {
2059         return _snap_type;
2060 }
2061
2062 SnapMode
2063 Editor::snap_mode() const
2064 {
2065         return _snap_mode;
2066 }
2067
2068 void
2069 Editor::set_snap_to (SnapType st)
2070 {
2071         unsigned int snap_ind = (unsigned int)st;
2072
2073         _snap_type = st;
2074
2075         if (snap_ind > snap_type_strings.size() - 1) {
2076                 snap_ind = 0;
2077                 _snap_type = (SnapType)snap_ind;
2078         }
2079
2080         string str = snap_type_strings[snap_ind];
2081
2082         if (str != snap_type_selector.get_active_text()) {
2083                 snap_type_selector.set_active_text (str);
2084         }
2085
2086         instant_save ();
2087
2088         switch (_snap_type) {
2089         case SnapToBeatDiv128:
2090         case SnapToBeatDiv64:
2091         case SnapToBeatDiv32:
2092         case SnapToBeatDiv28:
2093         case SnapToBeatDiv24:
2094         case SnapToBeatDiv20:
2095         case SnapToBeatDiv16:
2096         case SnapToBeatDiv14:
2097         case SnapToBeatDiv12:
2098         case SnapToBeatDiv10:
2099         case SnapToBeatDiv8:
2100         case SnapToBeatDiv7:
2101         case SnapToBeatDiv6:
2102         case SnapToBeatDiv5:
2103         case SnapToBeatDiv4:
2104         case SnapToBeatDiv3:
2105         case SnapToBeatDiv2:
2106                 compute_bbt_ruler_scale (leftmost_frame, leftmost_frame + current_page_frames());
2107                 update_tempo_based_rulers ();
2108                 break;
2109
2110         case SnapToRegionStart:
2111         case SnapToRegionEnd:
2112         case SnapToRegionSync:
2113         case SnapToRegionBoundary:
2114                 build_region_boundary_cache ();
2115                 break;
2116
2117         default:
2118                 /* relax */
2119                 break;
2120         }
2121
2122         SnapChanged (); /* EMIT SIGNAL */
2123 }
2124
2125 void
2126 Editor::set_snap_mode (SnapMode mode)
2127 {
2128         _snap_mode = mode;
2129         string str = snap_mode_strings[(int)mode];
2130
2131         if (str != snap_mode_selector.get_active_text ()) {
2132                 snap_mode_selector.set_active_text (str);
2133         }
2134
2135         instant_save ();
2136 }
2137 void
2138 Editor::set_edit_point_preference (EditPoint ep, bool force)
2139 {
2140         bool changed = (_edit_point != ep);
2141
2142         _edit_point = ep;
2143         string str = edit_point_strings[(int)ep];
2144
2145         if (str != edit_point_selector.get_active_text ()) {
2146                 edit_point_selector.set_active_text (str);
2147         }
2148
2149         set_canvas_cursor ();
2150
2151         if (!force && !changed) {
2152                 return;
2153         }
2154
2155         const char* action=NULL;
2156
2157         switch (_edit_point) {
2158         case EditAtPlayhead:
2159                 action = "edit-at-playhead";
2160                 break;
2161         case EditAtSelectedMarker:
2162                 action = "edit-at-marker";
2163                 break;
2164         case EditAtMouse:
2165                 action = "edit-at-mouse";
2166                 break;
2167         }
2168
2169         Glib::RefPtr<Action> act = ActionManager::get_action ("Editor", action);
2170         if (act) {
2171                 Glib::RefPtr<RadioAction>::cast_dynamic(act)->set_active (true);
2172         }
2173
2174         framepos_t foo;
2175         bool in_track_canvas;
2176
2177         if (!mouse_frame (foo, in_track_canvas)) {
2178                 in_track_canvas = false;
2179         }
2180
2181         reset_canvas_action_sensitivity (in_track_canvas);
2182
2183         instant_save ();
2184 }
2185
2186 int
2187 Editor::set_state (const XMLNode& node, int /*version*/)
2188 {
2189         const XMLProperty* prop;
2190         XMLNode* geometry;
2191         int x, y;
2192         Gdk::Geometry g;
2193
2194         set_id (node);
2195
2196         g.base_width = default_width;
2197         g.base_height = default_height;
2198         x = 1;
2199         y = 1;
2200
2201         if ((geometry = find_named_node (node, "geometry")) != 0) {
2202
2203                 XMLProperty* prop;
2204
2205                 if ((prop = geometry->property("x_size")) == 0) {
2206                         prop = geometry->property ("x-size");
2207                 }
2208                 if (prop) {
2209                         g.base_width = atoi(prop->value());
2210                 }
2211                 if ((prop = geometry->property("y_size")) == 0) {
2212                         prop = geometry->property ("y-size");
2213                 }
2214                 if (prop) {
2215                         g.base_height = atoi(prop->value());
2216                 }
2217
2218                 if ((prop = geometry->property ("x_pos")) == 0) {
2219                         prop = geometry->property ("x-pos");
2220                 }
2221                 if (prop) {
2222                         x = atoi (prop->value());
2223
2224                 }
2225                 if ((prop = geometry->property ("y_pos")) == 0) {
2226                         prop = geometry->property ("y-pos");
2227                 }
2228                 if (prop) {
2229                         y = atoi (prop->value());
2230                 }
2231         }
2232
2233         set_default_size (g.base_width, g.base_height);
2234         move (x, y);
2235
2236         if (_session && (prop = node.property ("playhead"))) {
2237                 framepos_t pos;
2238                 sscanf (prop->value().c_str(), "%" PRIi64, &pos);
2239                 playhead_cursor->set_position (pos);
2240         } else {
2241                 playhead_cursor->set_position (0);
2242         }
2243
2244         if ((prop = node.property ("mixer-width"))) {
2245                 editor_mixer_strip_width = Width (string_2_enum (prop->value(), editor_mixer_strip_width));
2246         }
2247
2248         if ((prop = node.property ("zoom-focus"))) {
2249                 set_zoom_focus ((ZoomFocus) string_2_enum (prop->value(), zoom_focus));
2250         }
2251
2252         if ((prop = node.property ("zoom"))) {
2253                 reset_zoom (PBD::atof (prop->value()));
2254         } else {
2255                 reset_zoom (frames_per_unit);
2256         }
2257
2258         if ((prop = node.property ("snap-to"))) {
2259                 set_snap_to ((SnapType) string_2_enum (prop->value(), _snap_type));
2260         }
2261
2262         if ((prop = node.property ("snap-mode"))) {
2263                 set_snap_mode ((SnapMode) string_2_enum (prop->value(), _snap_mode));
2264         }
2265
2266         if ((prop = node.property ("internal-snap-to"))) {
2267                 internal_snap_type = (SnapType) string_2_enum (prop->value(), internal_snap_type);
2268         }
2269
2270         if ((prop = node.property ("internal-snap-mode"))) {
2271                 internal_snap_mode = (SnapMode) string_2_enum (prop->value(), internal_snap_mode);
2272         }
2273
2274         if ((prop = node.property ("pre-internal-snap-to"))) {
2275                 pre_internal_snap_type = (SnapType) string_2_enum (prop->value(), pre_internal_snap_type);
2276         }
2277
2278         if ((prop = node.property ("pre-internal-snap-mode"))) {
2279                 pre_internal_snap_mode = (SnapMode) string_2_enum (prop->value(), pre_internal_snap_mode);
2280         }
2281
2282         if ((prop = node.property ("mouse-mode"))) {
2283                 MouseMode m = str2mousemode(prop->value());
2284                 set_mouse_mode (m, true);
2285         } else {
2286                 set_mouse_mode (MouseObject, true);
2287         }
2288
2289         if ((prop = node.property ("left-frame")) != 0) {
2290                 framepos_t pos;
2291                 if (sscanf (prop->value().c_str(), "%" PRId64, &pos) == 1) {
2292                         if (pos < 0) {
2293                                 pos = 0;
2294                         }
2295                         reset_x_origin (pos);
2296                 }
2297         }
2298
2299         if ((prop = node.property ("y-origin")) != 0) {
2300                 reset_y_origin (atof (prop->value ()));
2301         }
2302
2303         if ((prop = node.property ("internal-edit"))) {
2304                 bool yn = string_is_affirmative (prop->value());
2305                 RefPtr<Action> act = ActionManager::get_action (X_("MouseMode"), X_("toggle-internal-edit"));
2306                 if (act) {
2307                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2308                         tact->set_active (!yn);
2309                         tact->set_active (yn);
2310                 }
2311         }
2312
2313         if ((prop = node.property ("join-object-range"))) {
2314                 ActionManager::set_toggle_action ("MouseMode", "set-mouse-mode-object-range", string_is_affirmative (prop->value ()));
2315         }
2316
2317         if ((prop = node.property ("edit-point"))) {
2318                 set_edit_point_preference ((EditPoint) string_2_enum (prop->value(), _edit_point), true);
2319         }
2320
2321         if ((prop = node.property ("show-measures"))) {
2322                 bool yn = string_is_affirmative (prop->value());
2323                 _show_measures = yn;
2324                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleMeasureVisibility"));
2325                 if (act) {
2326                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2327                         /* do it twice to force the change */
2328                         tact->set_active (!yn);
2329                         tact->set_active (yn);
2330                 }
2331         }
2332
2333         if ((prop = node.property ("follow-playhead"))) {
2334                 bool yn = string_is_affirmative (prop->value());
2335                 set_follow_playhead (yn);
2336                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
2337                 if (act) {
2338                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2339                         if (tact->get_active() != yn) {
2340                                 tact->set_active (yn);
2341                         }
2342                 }
2343         }
2344
2345         if ((prop = node.property ("stationary-playhead"))) {
2346                 bool yn = string_is_affirmative (prop->value());
2347                 set_stationary_playhead (yn);
2348                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-stationary-playhead"));
2349                 if (act) {
2350                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2351                         if (tact->get_active() != yn) {
2352                                 tact->set_active (yn);
2353                         }
2354                 }
2355         }
2356
2357         if ((prop = node.property ("region-list-sort-type"))) {
2358                 RegionListSortType st;
2359                 _regions->reset_sort_type ((RegionListSortType) string_2_enum (prop->value(), st), true);
2360         }
2361
2362         if ((prop = node.property ("show-editor-mixer"))) {
2363
2364                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2365                 assert (act);
2366
2367                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2368                 bool yn = string_is_affirmative (prop->value());
2369
2370                 /* do it twice to force the change */
2371
2372                 tact->set_active (!yn);
2373                 tact->set_active (yn);
2374         }
2375
2376         if ((prop = node.property ("show-editor-list"))) {
2377
2378                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-list"));
2379                 assert (act);
2380
2381                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2382                 bool yn = string_is_affirmative (prop->value());
2383
2384                 /* do it twice to force the change */
2385
2386                 tact->set_active (!yn);
2387                 tact->set_active (yn);
2388         }
2389
2390         if ((prop = node.property (X_("editor-list-page")))) {
2391                 _the_notebook.set_current_page (atoi (prop->value ()));
2392         }
2393
2394         if ((prop = node.property (X_("show-marker-lines")))) {
2395                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-marker-lines"));
2396                 assert (act);
2397                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic (act);
2398                 bool yn = string_is_affirmative (prop->value ());
2399
2400                 tact->set_active (!yn);
2401                 tact->set_active (yn);
2402         }
2403
2404         XMLNodeList children = node.children ();
2405         for (XMLNodeList::const_iterator i = children.begin(); i != children.end(); ++i) {
2406                 selection->set_state (**i, Stateful::current_state_version);
2407                 _regions->set_state (**i);
2408         }
2409
2410         if ((prop = node.property ("maximised"))) {
2411                 bool yn = string_is_affirmative (prop->value());
2412                 if (yn) {
2413                         ActionManager::do_action ("Common", "ToggleMaximalEditor");
2414                 }
2415         }
2416
2417         if ((prop = node.property ("nudge-clock-value"))) {
2418                 framepos_t f;
2419                 sscanf (prop->value().c_str(), "%" PRId64, &f);
2420                 nudge_clock->set (f);
2421         } else {
2422                 nudge_clock->set_mode (AudioClock::Timecode);
2423                 nudge_clock->set (_session->frame_rate() * 5, true);
2424         }
2425
2426         return 0;
2427 }
2428
2429 XMLNode&
2430 Editor::get_state ()
2431 {
2432         XMLNode* node = new XMLNode ("Editor");
2433         char buf[32];
2434
2435         id().print (buf, sizeof (buf));
2436         node->add_property ("id", buf);
2437
2438         if (is_realized()) {
2439                 Glib::RefPtr<Gdk::Window> win = get_window();
2440
2441                 int x, y, width, height;
2442                 win->get_root_origin(x, y);
2443                 win->get_size(width, height);
2444
2445                 XMLNode* geometry = new XMLNode ("geometry");
2446
2447                 snprintf(buf, sizeof(buf), "%d", width);
2448                 geometry->add_property("x-size", string(buf));
2449                 snprintf(buf, sizeof(buf), "%d", height);
2450                 geometry->add_property("y-size", string(buf));
2451                 snprintf(buf, sizeof(buf), "%d", x);
2452                 geometry->add_property("x-pos", string(buf));
2453                 snprintf(buf, sizeof(buf), "%d", y);
2454                 geometry->add_property("y-pos", string(buf));
2455                 snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (static_cast<Paned*>(&edit_pane)->gobj()));
2456                 geometry->add_property("edit-horizontal-pane-pos", string(buf));
2457                 geometry->add_property("notebook-shrunk", _notebook_shrunk ? "1" : "0");
2458                 snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (static_cast<Paned*>(&editor_summary_pane)->gobj()));
2459                 geometry->add_property("edit-vertical-pane-pos", string(buf));
2460
2461                 node->add_child_nocopy (*geometry);
2462         }
2463
2464         maybe_add_mixer_strip_width (*node);
2465
2466         node->add_property ("zoom-focus", enum_2_string (zoom_focus));
2467         snprintf (buf, sizeof(buf), "%f", frames_per_unit);
2468         node->add_property ("zoom", buf);
2469         node->add_property ("snap-to", enum_2_string (_snap_type));
2470         node->add_property ("snap-mode", enum_2_string (_snap_mode));
2471         node->add_property ("internal-snap-to", enum_2_string (internal_snap_type));
2472         node->add_property ("internal-snap-mode", enum_2_string (internal_snap_mode));
2473         node->add_property ("pre-internal-snap-to", enum_2_string (pre_internal_snap_type));
2474         node->add_property ("pre-internal-snap-mode", enum_2_string (pre_internal_snap_mode));
2475         node->add_property ("edit-point", enum_2_string (_edit_point));
2476
2477         snprintf (buf, sizeof (buf), "%" PRIi64, playhead_cursor->current_frame);
2478         node->add_property ("playhead", buf);
2479         snprintf (buf, sizeof (buf), "%" PRIi64, leftmost_frame);
2480         node->add_property ("left-frame", buf);
2481         snprintf (buf, sizeof (buf), "%f", vertical_adjustment.get_value ());
2482         node->add_property ("y-origin", buf);
2483
2484         node->add_property ("show-measures", _show_measures ? "yes" : "no");
2485         node->add_property ("maximised", _maximised ? "yes" : "no");
2486         node->add_property ("follow-playhead", _follow_playhead ? "yes" : "no");
2487         node->add_property ("stationary-playhead", _stationary_playhead ? "yes" : "no");
2488         node->add_property ("region-list-sort-type", enum_2_string (_regions->sort_type ()));
2489         node->add_property ("mouse-mode", enum2str(mouse_mode));
2490         node->add_property ("internal-edit", _internal_editing ? "yes" : "no");
2491         node->add_property ("join-object-range", smart_mode_action->get_active () ? "yes" : "no");
2492
2493         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2494         if (act) {
2495                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2496                 node->add_property (X_("show-editor-mixer"), tact->get_active() ? "yes" : "no");
2497         }
2498
2499         act = ActionManager::get_action (X_("Editor"), X_("show-editor-list"));
2500         if (act) {
2501                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2502                 node->add_property (X_("show-editor-list"), tact->get_active() ? "yes" : "no");
2503         }
2504
2505         snprintf (buf, sizeof (buf), "%d", _the_notebook.get_current_page ());
2506         node->add_property (X_("editor-list-page"), buf);
2507
2508         if (button_bindings) {
2509                 XMLNode* bb = new XMLNode (X_("Buttons"));
2510                 button_bindings->save (*bb);
2511                 node->add_child_nocopy (*bb);
2512         }
2513
2514         node->add_property (X_("show-marker-lines"), _show_marker_lines ? "yes" : "no");
2515
2516         node->add_child_nocopy (selection->get_state ());
2517         node->add_child_nocopy (_regions->get_state ());
2518
2519         snprintf (buf, sizeof (buf), "%" PRId64, nudge_clock->current_duration());
2520         node->add_property ("nudge-clock-value", buf);
2521
2522         return *node;
2523 }
2524
2525
2526
2527 /** @param y y offset from the top of all trackviews.
2528  *  @return pair: TimeAxisView that y is over, layer index.
2529  *  TimeAxisView may be 0.  Layer index is the layer number if the TimeAxisView is valid and is
2530  *  in stacked or expanded region display mode, otherwise 0.
2531  */
2532 std::pair<TimeAxisView *, double>
2533 Editor::trackview_by_y_position (double y)
2534 {
2535         for (TrackViewList::iterator iter = track_views.begin(); iter != track_views.end(); ++iter) {
2536
2537                 std::pair<TimeAxisView*, double> const r = (*iter)->covers_y_position (y);
2538                 if (r.first) {
2539                         return r;
2540                 }
2541         }
2542
2543         return std::make_pair ( (TimeAxisView *) 0, 0);
2544 }
2545
2546 /** Snap a position to the grid, if appropriate, taking into account current
2547  *  grid settings and also the state of any snap modifier keys that may be pressed.
2548  *  @param start Position to snap.
2549  *  @param event Event to get current key modifier information from, or 0.
2550  */
2551 void
2552 Editor::snap_to_with_modifier (framepos_t& start, GdkEvent const * event, int32_t direction, bool for_mark)
2553 {
2554         if (!_session || !event) {
2555                 return;
2556         }
2557
2558         if (Keyboard::modifier_state_contains (event->button.state, Keyboard::snap_modifier())) {
2559                 if (_snap_mode == SnapOff) {
2560                         snap_to_internal (start, direction, for_mark);
2561                 }
2562         } else {
2563                 if (_snap_mode != SnapOff) {
2564                         snap_to_internal (start, direction, for_mark);
2565                 }
2566         }
2567 }
2568
2569 void
2570 Editor::snap_to (framepos_t& start, int32_t direction, bool for_mark)
2571 {
2572         if (!_session || _snap_mode == SnapOff) {
2573                 return;
2574         }
2575
2576         snap_to_internal (start, direction, for_mark);
2577 }
2578
2579 void
2580 Editor::timecode_snap_to_internal (framepos_t& start, int32_t direction, bool /*for_mark*/)
2581 {
2582         const framepos_t one_timecode_second = (framepos_t)(rint(_session->timecode_frames_per_second()) * _session->frames_per_timecode_frame());
2583         framepos_t one_timecode_minute = (framepos_t)(rint(_session->timecode_frames_per_second()) * _session->frames_per_timecode_frame() * 60);
2584
2585         switch (_snap_type) {
2586         case SnapToTimecodeFrame:
2587                 if (((direction == 0) && (fmod((double)start, (double)_session->frames_per_timecode_frame()) > (_session->frames_per_timecode_frame() / 2))) || (direction > 0)) {
2588                         start = (framepos_t) (ceil ((double) start / _session->frames_per_timecode_frame()) * _session->frames_per_timecode_frame());
2589                 } else {
2590                         start = (framepos_t) (floor ((double) start / _session->frames_per_timecode_frame()) *  _session->frames_per_timecode_frame());
2591                 }
2592                 break;
2593
2594         case SnapToTimecodeSeconds:
2595                 if (_session->config.get_timecode_offset_negative()) {
2596                         start += _session->config.get_timecode_offset ();
2597                 } else {
2598                         start -= _session->config.get_timecode_offset ();
2599                 }
2600                 if (((direction == 0) && (start % one_timecode_second > one_timecode_second / 2)) || direction > 0) {
2601                         start = (framepos_t) ceil ((double) start / one_timecode_second) * one_timecode_second;
2602                 } else {
2603                         start = (framepos_t) floor ((double) start / one_timecode_second) * one_timecode_second;
2604                 }
2605
2606                 if (_session->config.get_timecode_offset_negative()) {
2607                         start -= _session->config.get_timecode_offset ();
2608                 } else {
2609                         start += _session->config.get_timecode_offset ();
2610                 }
2611                 break;
2612
2613         case SnapToTimecodeMinutes:
2614                 if (_session->config.get_timecode_offset_negative()) {
2615                         start += _session->config.get_timecode_offset ();
2616                 } else {
2617                         start -= _session->config.get_timecode_offset ();
2618                 }
2619                 if (((direction == 0) && (start % one_timecode_minute > one_timecode_minute / 2)) || direction > 0) {
2620                         start = (framepos_t) ceil ((double) start / one_timecode_minute) * one_timecode_minute;
2621                 } else {
2622                         start = (framepos_t) floor ((double) start / one_timecode_minute) * one_timecode_minute;
2623                 }
2624                 if (_session->config.get_timecode_offset_negative()) {
2625                         start -= _session->config.get_timecode_offset ();
2626                 } else {
2627                         start += _session->config.get_timecode_offset ();
2628                 }
2629                 break;
2630         default:
2631                 fatal << "Editor::smpte_snap_to_internal() called with non-timecode snap type!" << endmsg;
2632                 /*NOTREACHED*/
2633         }
2634 }
2635
2636 void
2637 Editor::snap_to_internal (framepos_t& start, int32_t direction, bool for_mark)
2638 {
2639         const framepos_t one_second = _session->frame_rate();
2640         const framepos_t one_minute = _session->frame_rate() * 60;
2641         framepos_t presnap = start;
2642         framepos_t before;
2643         framepos_t after;
2644
2645         switch (_snap_type) {
2646         case SnapToTimecodeFrame:
2647         case SnapToTimecodeSeconds:
2648         case SnapToTimecodeMinutes:
2649                 return timecode_snap_to_internal (start, direction, for_mark);
2650
2651         case SnapToCDFrame:
2652                 if (((direction == 0) && (start % (one_second/75) > (one_second/75) / 2)) || (direction > 0)) {
2653                         start = (framepos_t) ceil ((double) start / (one_second / 75)) * (one_second / 75);
2654                 } else {
2655                         start = (framepos_t) floor ((double) start / (one_second / 75)) * (one_second / 75);
2656                 }
2657                 break;
2658
2659         case SnapToSeconds:
2660                 if (((direction == 0) && (start % one_second > one_second / 2)) || (direction > 0)) {
2661                         start = (framepos_t) ceil ((double) start / one_second) * one_second;
2662                 } else {
2663                         start = (framepos_t) floor ((double) start / one_second) * one_second;
2664                 }
2665                 break;
2666
2667         case SnapToMinutes:
2668                 if (((direction == 0) && (start % one_minute > one_minute / 2)) || (direction > 0)) {
2669                         start = (framepos_t) ceil ((double) start / one_minute) * one_minute;
2670                 } else {
2671                         start = (framepos_t) floor ((double) start / one_minute) * one_minute;
2672                 }
2673                 break;
2674
2675         case SnapToBar:
2676                 start = _session->tempo_map().round_to_bar (start, direction);
2677                 break;
2678
2679         case SnapToBeat:
2680                 start = _session->tempo_map().round_to_beat (start, direction);
2681                 break;
2682
2683         case SnapToBeatDiv128:
2684                 start = _session->tempo_map().round_to_beat_subdivision (start, 128, direction);
2685                 break;
2686         case SnapToBeatDiv64:
2687                 start = _session->tempo_map().round_to_beat_subdivision (start, 64, direction);
2688                 break;
2689         case SnapToBeatDiv32:
2690                 start = _session->tempo_map().round_to_beat_subdivision (start, 32, direction);
2691                 break;
2692         case SnapToBeatDiv28:
2693                 start = _session->tempo_map().round_to_beat_subdivision (start, 28, direction);
2694                 break;
2695         case SnapToBeatDiv24:
2696                 start = _session->tempo_map().round_to_beat_subdivision (start, 24, direction);
2697                 break;
2698         case SnapToBeatDiv20:
2699                 start = _session->tempo_map().round_to_beat_subdivision (start, 20, direction);
2700                 break;
2701         case SnapToBeatDiv16:
2702                 start = _session->tempo_map().round_to_beat_subdivision (start, 16, direction);
2703                 break;
2704         case SnapToBeatDiv14:
2705                 start = _session->tempo_map().round_to_beat_subdivision (start, 14, direction);
2706                 break;
2707         case SnapToBeatDiv12:
2708                 start = _session->tempo_map().round_to_beat_subdivision (start, 12, direction);
2709                 break;
2710         case SnapToBeatDiv10:
2711                 start = _session->tempo_map().round_to_beat_subdivision (start, 10, direction);
2712                 break;
2713         case SnapToBeatDiv8:
2714                 start = _session->tempo_map().round_to_beat_subdivision (start, 8, direction);
2715                 break;
2716         case SnapToBeatDiv7:
2717                 start = _session->tempo_map().round_to_beat_subdivision (start, 7, direction);
2718                 break;
2719         case SnapToBeatDiv6:
2720                 start = _session->tempo_map().round_to_beat_subdivision (start, 6, direction);
2721                 break;
2722         case SnapToBeatDiv5:
2723                 start = _session->tempo_map().round_to_beat_subdivision (start, 5, direction);
2724                 break;
2725         case SnapToBeatDiv4:
2726                 start = _session->tempo_map().round_to_beat_subdivision (start, 4, direction);
2727                 break;
2728         case SnapToBeatDiv3:
2729                 start = _session->tempo_map().round_to_beat_subdivision (start, 3, direction);
2730                 break;
2731         case SnapToBeatDiv2:
2732                 start = _session->tempo_map().round_to_beat_subdivision (start, 2, direction);
2733                 break;
2734
2735         case SnapToMark:
2736                 if (for_mark) {
2737                         return;
2738                 }
2739
2740                 _session->locations()->marks_either_side (start, before, after);
2741
2742                 if (before == max_framepos && after == max_framepos) {
2743                         /* No marks to snap to, so just don't snap */
2744                         return;
2745                 } else if (before == max_framepos) {
2746                         start = after;
2747                 } else if (after == max_framepos) {
2748                         start = before;
2749                 } else if (before != max_framepos && after != max_framepos) {
2750                         /* have before and after */
2751                         if ((start - before) < (after - start)) {
2752                                 start = before;
2753                         } else {
2754                                 start = after;
2755                         }
2756                 }
2757
2758                 break;
2759
2760         case SnapToRegionStart:
2761         case SnapToRegionEnd:
2762         case SnapToRegionSync:
2763         case SnapToRegionBoundary:
2764                 if (!region_boundary_cache.empty()) {
2765
2766                         vector<framepos_t>::iterator prev = region_boundary_cache.end ();
2767                         vector<framepos_t>::iterator next = region_boundary_cache.end ();
2768
2769                         if (direction > 0) {
2770                                 next = std::upper_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2771                         } else {
2772                                 next = std::lower_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2773                         }
2774
2775                         if (next != region_boundary_cache.begin ()) {
2776                                 prev = next;
2777                                 prev--;
2778                         }
2779
2780                         framepos_t const p = (prev == region_boundary_cache.end()) ? region_boundary_cache.front () : *prev;
2781                         framepos_t const n = (next == region_boundary_cache.end()) ? region_boundary_cache.back () : *next;
2782
2783                         if (start > (p + n) / 2) {
2784                                 start = n;
2785                         } else {
2786                                 start = p;
2787                         }
2788                 }
2789                 break;
2790         }
2791
2792         switch (_snap_mode) {
2793         case SnapNormal:
2794                 return;
2795
2796         case SnapMagnetic:
2797
2798                 if (presnap > start) {
2799                         if (presnap > (start + unit_to_frame(snap_threshold))) {
2800                                 start = presnap;
2801                         }
2802
2803                 } else if (presnap < start) {
2804                         if (presnap < (start - unit_to_frame(snap_threshold))) {
2805                                 start = presnap;
2806                         }
2807                 }
2808
2809         default:
2810                 /* handled at entry */
2811                 return;
2812
2813         }
2814 }
2815
2816
2817 void
2818 Editor::setup_toolbar ()
2819 {
2820         HBox* mode_box = manage(new HBox);
2821         mode_box->set_border_width (2);
2822         mode_box->set_spacing(4);
2823
2824         HBox* mouse_mode_box = manage (new HBox);
2825         HBox* mouse_mode_hbox1 = manage (new HBox);
2826         HBox* mouse_mode_hbox2 = manage (new HBox);
2827         VBox* mouse_mode_vbox1 = manage (new VBox);
2828         VBox* mouse_mode_vbox2 = manage (new VBox);
2829         Alignment* mouse_mode_align1 = manage (new Alignment);
2830         Alignment* mouse_mode_align2 = manage (new Alignment);
2831
2832         Glib::RefPtr<SizeGroup> mouse_mode_size_group = SizeGroup::create (SIZE_GROUP_BOTH);
2833         mouse_mode_size_group->add_widget (mouse_move_button);
2834         mouse_mode_size_group->add_widget (mouse_select_button);
2835         mouse_mode_size_group->add_widget (mouse_zoom_button);
2836         mouse_mode_size_group->add_widget (mouse_gain_button);
2837         mouse_mode_size_group->add_widget (mouse_timefx_button);
2838         mouse_mode_size_group->add_widget (mouse_audition_button);
2839         mouse_mode_size_group->add_widget (mouse_draw_button);
2840         mouse_mode_size_group->add_widget (internal_edit_button);
2841
2842         /* make them just a bit bigger */
2843         mouse_move_button.set_size_request (-1, 25);
2844
2845         smart_mode_joiner = manage (new ButtonJoiner ("mouse mode button", mouse_move_button, mouse_select_button, true));
2846         smart_mode_joiner->set_related_action (smart_mode_action);
2847
2848         mouse_mode_hbox2->set_spacing (2);
2849         mouse_mode_box->set_spacing (2);
2850
2851         mouse_mode_hbox1->pack_start (*smart_mode_joiner, false, false);
2852         mouse_mode_hbox2->pack_start (mouse_zoom_button, false, false);
2853         mouse_mode_hbox2->pack_start (mouse_gain_button, false, false);
2854         mouse_mode_hbox2->pack_start (mouse_timefx_button, false, false);
2855         mouse_mode_hbox2->pack_start (mouse_audition_button, false, false);
2856         mouse_mode_hbox2->pack_start (mouse_draw_button, false, false);
2857         mouse_mode_hbox2->pack_start (internal_edit_button, false, false);
2858
2859         mouse_mode_vbox1->pack_start (*mouse_mode_hbox1, false, false);
2860         mouse_mode_vbox2->pack_start (*mouse_mode_hbox2, false, false);
2861
2862         mouse_mode_align1->add (*mouse_mode_vbox1);
2863         mouse_mode_align1->set (0.5, 1.0, 0.0, 0.0);
2864         mouse_mode_align2->add (*mouse_mode_vbox2);
2865         mouse_mode_align2->set (0.5, 1.0, 0.0, 0.0);
2866
2867         mouse_mode_box->pack_start (*mouse_mode_align1, false, false);
2868         mouse_mode_box->pack_start (*mouse_mode_align2, false, false);
2869
2870         edit_mode_strings.push_back (edit_mode_to_string (Slide));
2871         if (!Profile->get_sae()) {
2872                 edit_mode_strings.push_back (edit_mode_to_string (Splice));
2873         }
2874         edit_mode_strings.push_back (edit_mode_to_string (Lock));
2875
2876         edit_mode_selector.set_name ("EditModeSelector");
2877         set_popdown_strings (edit_mode_selector, edit_mode_strings);
2878         edit_mode_selector.signal_changed().connect (sigc::mem_fun(*this, &Editor::edit_mode_selection_done));
2879
2880         mode_box->pack_start (edit_mode_selector, false, false);
2881         mode_box->pack_start (*mouse_mode_box, false, false);
2882
2883         _mouse_mode_tearoff = manage (new TearOff (*mode_box));
2884         _mouse_mode_tearoff->set_name ("MouseModeBase");
2885         _mouse_mode_tearoff->tearoff_window().signal_key_press_event().connect (sigc::bind (sigc::ptr_fun (relay_key_press), &_mouse_mode_tearoff->tearoff_window()), false);
2886
2887         if (Profile->get_sae()) {
2888                 _mouse_mode_tearoff->set_can_be_torn_off (false);
2889         }
2890
2891         _mouse_mode_tearoff->Detach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2892                                                          &_mouse_mode_tearoff->tearoff_window()));
2893         _mouse_mode_tearoff->Attach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2894                                                          &_mouse_mode_tearoff->tearoff_window(), 1));
2895         _mouse_mode_tearoff->Hidden.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2896                                                          &_mouse_mode_tearoff->tearoff_window()));
2897         _mouse_mode_tearoff->Visible.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2898                                                           &_mouse_mode_tearoff->tearoff_window(), 1));
2899
2900         /* Zoom */
2901
2902         _zoom_box.set_spacing (2);
2903         _zoom_box.set_border_width (2);
2904
2905         RefPtr<Action> act;
2906
2907         zoom_in_button.set_name ("zoom button");
2908         zoom_in_button.set_image (::get_icon ("zoom_in"));
2909         zoom_in_button.set_tweaks (ArdourButton::ShowClick);
2910         act = ActionManager::get_action (X_("Editor"), X_("temporal-zoom-in"));
2911         zoom_in_button.set_related_action (act);
2912
2913         zoom_out_button.set_name ("zoom button");
2914         zoom_out_button.set_image (::get_icon ("zoom_out"));
2915         zoom_out_button.set_tweaks (ArdourButton::ShowClick);
2916         act = ActionManager::get_action (X_("Editor"), X_("temporal-zoom-out"));
2917         zoom_out_button.set_related_action (act);
2918
2919         zoom_out_full_button.set_name ("zoom button");
2920         zoom_out_full_button.set_image (::get_icon ("zoom_full"));
2921         zoom_out_full_button.set_tweaks (ArdourButton::ShowClick);
2922         act = ActionManager::get_action (X_("Editor"), X_("zoom-to-session"));
2923         zoom_out_full_button.set_related_action (act);
2924
2925         zoom_focus_selector.set_name ("ZoomFocusSelector");
2926         set_popdown_strings (zoom_focus_selector, zoom_focus_strings);
2927         zoom_focus_selector.signal_changed().connect (sigc::mem_fun(*this, &Editor::zoom_focus_selection_done));
2928
2929         _zoom_box.pack_start (zoom_out_button, false, false);
2930         _zoom_box.pack_start (zoom_in_button, false, false);
2931         _zoom_box.pack_start (zoom_out_full_button, false, false);
2932
2933         _zoom_box.pack_start (zoom_focus_selector, false, false);
2934
2935         /* Track zoom buttons */
2936         tav_expand_button.set_name ("TrackHeightButton");
2937         tav_expand_button.set_size_request (-1, 20);
2938         tav_expand_button.add (*(manage (new Image (::get_icon ("tav_exp")))));
2939         act = ActionManager::get_action (X_("Editor"), X_("expand-tracks"));
2940         act->connect_proxy (tav_expand_button);
2941
2942         tav_shrink_button.set_name ("TrackHeightButton");
2943         tav_shrink_button.set_size_request (-1, 20);
2944         tav_shrink_button.add (*(manage (new Image (::get_icon ("tav_shrink")))));
2945         act = ActionManager::get_action (X_("Editor"), X_("shrink-tracks"));
2946         act->connect_proxy (tav_shrink_button);
2947
2948         _zoom_box.pack_start (tav_shrink_button);
2949         _zoom_box.pack_start (tav_expand_button);
2950
2951         _zoom_tearoff = manage (new TearOff (_zoom_box));
2952
2953         _zoom_tearoff->Detach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2954                                                    &_zoom_tearoff->tearoff_window()));
2955         _zoom_tearoff->Attach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2956                                                    &_zoom_tearoff->tearoff_window(), 0));
2957         _zoom_tearoff->Hidden.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2958                                                    &_zoom_tearoff->tearoff_window()));
2959         _zoom_tearoff->Visible.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2960                                                     &_zoom_tearoff->tearoff_window(), 0));
2961
2962         snap_box.set_spacing (1);
2963         snap_box.set_border_width (2);
2964
2965         snap_type_selector.set_name ("SnapTypeSelector");
2966         set_popdown_strings (snap_type_selector, snap_type_strings);
2967         snap_type_selector.signal_changed().connect (sigc::mem_fun(*this, &Editor::snap_type_selection_done));
2968
2969         snap_mode_selector.set_name ("SnapModeSelector");
2970         set_popdown_strings (snap_mode_selector, snap_mode_strings);
2971         snap_mode_selector.signal_changed().connect (sigc::mem_fun(*this, &Editor::snap_mode_selection_done));
2972
2973         edit_point_selector.set_name ("EditPointSelector");
2974         set_popdown_strings (edit_point_selector, edit_point_strings);
2975         edit_point_selector.signal_changed().connect (sigc::mem_fun(*this, &Editor::edit_point_selection_done));
2976
2977         snap_box.pack_start (snap_mode_selector, false, false);
2978         snap_box.pack_start (snap_type_selector, false, false);
2979         snap_box.pack_start (edit_point_selector, false, false);
2980
2981         /* Nudge */
2982
2983         HBox *nudge_box = manage (new HBox);
2984         nudge_box->set_spacing (2);
2985         nudge_box->set_border_width (2);
2986
2987         nudge_forward_button.signal_button_release_event().connect (sigc::mem_fun(*this, &Editor::nudge_forward_release), false);
2988         nudge_backward_button.signal_button_release_event().connect (sigc::mem_fun(*this, &Editor::nudge_backward_release), false);
2989
2990         nudge_box->pack_start (nudge_backward_button, false, false);
2991         nudge_box->pack_start (nudge_forward_button, false, false);
2992         nudge_box->pack_start (*nudge_clock, false, false);
2993
2994
2995         /* Pack everything in... */
2996
2997         HBox* hbox = manage (new HBox);
2998         hbox->set_spacing(10);
2999
3000         _tools_tearoff = manage (new TearOff (*hbox));
3001         _tools_tearoff->set_name ("MouseModeBase");
3002         _tools_tearoff->tearoff_window().signal_key_press_event().connect (sigc::bind (sigc::ptr_fun (relay_key_press), &_tools_tearoff->tearoff_window()), false);
3003
3004         if (Profile->get_sae()) {
3005                 _tools_tearoff->set_can_be_torn_off (false);
3006         }
3007
3008         _tools_tearoff->Detach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
3009                                                     &_tools_tearoff->tearoff_window()));
3010         _tools_tearoff->Attach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
3011                                                     &_tools_tearoff->tearoff_window(), 0));
3012         _tools_tearoff->Hidden.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
3013                                                     &_tools_tearoff->tearoff_window()));
3014         _tools_tearoff->Visible.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
3015                                                      &_tools_tearoff->tearoff_window(), 0));
3016
3017         toolbar_hbox.set_spacing (10);
3018         toolbar_hbox.set_border_width (1);
3019
3020         toolbar_hbox.pack_start (*_mouse_mode_tearoff, false, false);
3021         toolbar_hbox.pack_start (*_zoom_tearoff, false, false);
3022         toolbar_hbox.pack_start (*_tools_tearoff, false, false);
3023
3024         hbox->pack_start (snap_box, false, false);
3025         if (!Profile->get_small_screen()) {
3026                 hbox->pack_start (*nudge_box, false, false);
3027         } else {
3028                 ARDOUR_UI::instance()->editor_transport_box().pack_start (*nudge_box, false, false);
3029         }
3030         hbox->pack_start (panic_box, false, false);
3031
3032         hbox->show_all ();
3033
3034         toolbar_base.set_name ("ToolBarBase");
3035         toolbar_base.add (toolbar_hbox);
3036
3037         _toolbar_viewport.add (toolbar_base);
3038         /* stick to the required height but allow width to vary if there's not enough room */
3039         _toolbar_viewport.set_size_request (1, -1);
3040
3041         toolbar_frame.set_shadow_type (SHADOW_OUT);
3042         toolbar_frame.set_name ("BaseFrame");
3043         toolbar_frame.add (_toolbar_viewport);
3044 }
3045
3046 void
3047 Editor::setup_tooltips ()
3048 {
3049         ARDOUR_UI::instance()->set_tip (mouse_move_button, _("Select/Move Objects"));
3050         ARDOUR_UI::instance()->set_tip (mouse_select_button, _("Select/Move Ranges"));
3051         ARDOUR_UI::instance()->set_tip (mouse_draw_button, _("Draw/Edit MIDI Notes"));
3052         ARDOUR_UI::instance()->set_tip (mouse_gain_button, _("Draw Region Gain"));
3053         ARDOUR_UI::instance()->set_tip (mouse_zoom_button, _("Select Zoom Range"));
3054         ARDOUR_UI::instance()->set_tip (mouse_timefx_button, _("Stretch/Shrink Regions and MIDI Notes"));
3055         ARDOUR_UI::instance()->set_tip (mouse_audition_button, _("Listen to Specific Regions"));
3056         ARDOUR_UI::instance()->set_tip (smart_mode_joiner, _("Smart Mode (Select/Move Objects + Ranges)"));
3057         ARDOUR_UI::instance()->set_tip (internal_edit_button, _("Edit Region Contents (e.g. notes)"));
3058         ARDOUR_UI::instance()->set_tip (*_group_tabs, _("Groups: click to (de)activate\nContext-click for other operations"));
3059         ARDOUR_UI::instance()->set_tip (nudge_forward_button, _("Nudge Region/Selection Later"));
3060         ARDOUR_UI::instance()->set_tip (nudge_backward_button, _("Nudge Region/Selection Earlier"));
3061         ARDOUR_UI::instance()->set_tip (zoom_in_button, _("Zoom In"));
3062         ARDOUR_UI::instance()->set_tip (zoom_out_button, _("Zoom Out"));
3063         ARDOUR_UI::instance()->set_tip (zoom_out_full_button, _("Zoom to Session"));
3064         ARDOUR_UI::instance()->set_tip (zoom_focus_selector, _("Zoom focus"));
3065         ARDOUR_UI::instance()->set_tip (tav_expand_button, _("Expand Tracks"));
3066         ARDOUR_UI::instance()->set_tip (tav_shrink_button, _("Shrink Tracks"));
3067         ARDOUR_UI::instance()->set_tip (snap_type_selector, _("Snap/Grid Units"));
3068         ARDOUR_UI::instance()->set_tip (snap_mode_selector, _("Snap/Grid Mode"));
3069         ARDOUR_UI::instance()->set_tip (edit_point_selector, _("Edit point"));
3070         ARDOUR_UI::instance()->set_tip (edit_mode_selector, _("Edit Mode"));
3071         ARDOUR_UI::instance()->set_tip (nudge_clock, _("Nudge Clock\n(controls distance used to nudge regions and selections)"));
3072 }
3073
3074 int
3075 Editor::convert_drop_to_paths (
3076                 vector<string>&                paths,
3077                 const RefPtr<Gdk::DragContext>& /*context*/,
3078                 gint                            /*x*/,
3079                 gint                            /*y*/,
3080                 const SelectionData&            data,
3081                 guint                           /*info*/,
3082                 guint                           /*time*/)
3083 {
3084         if (_session == 0) {
3085                 return -1;
3086         }
3087
3088         vector<string> uris = data.get_uris();
3089
3090         if (uris.empty()) {
3091
3092                 /* This is seriously fucked up. Nautilus doesn't say that its URI lists
3093                    are actually URI lists. So do it by hand.
3094                 */
3095
3096                 if (data.get_target() != "text/plain") {
3097                         return -1;
3098                 }
3099
3100                 /* Parse the "uri-list" format that Nautilus provides,
3101                    where each pathname is delimited by \r\n.
3102
3103                    THERE MAY BE NO NULL TERMINATING CHAR!!!
3104                 */
3105
3106                 string txt = data.get_text();
3107                 const char* p;
3108                 const char* q;
3109
3110                 p = (const char *) malloc (txt.length() + 1);
3111                 txt.copy (const_cast<char *> (p), txt.length(), 0);
3112                 const_cast<char*>(p)[txt.length()] = '\0';
3113
3114                 while (p)
3115                 {
3116                         if (*p != '#')
3117                         {
3118                                 while (g_ascii_isspace (*p))
3119                                         p++;
3120
3121                                 q = p;
3122                                 while (*q && (*q != '\n') && (*q != '\r')) {
3123                                         q++;
3124                                 }
3125
3126                                 if (q > p)
3127                                 {
3128                                         q--;
3129                                         while (q > p && g_ascii_isspace (*q))
3130                                                 q--;
3131
3132                                         if (q > p)
3133                                         {
3134                                                 uris.push_back (string (p, q - p + 1));
3135                                         }
3136                                 }
3137                         }
3138                         p = strchr (p, '\n');
3139                         if (p)
3140                                 p++;
3141                 }
3142
3143                 free ((void*)p);
3144
3145                 if (uris.empty()) {
3146                         return -1;
3147                 }
3148         }
3149
3150         for (vector<string>::iterator i = uris.begin(); i != uris.end(); ++i) {
3151
3152                 if ((*i).substr (0,7) == "file://") {
3153
3154                         string const p = PBD::url_decode (*i);
3155
3156                         // scan forward past three slashes
3157
3158                         string::size_type slashcnt = 0;
3159                         string::size_type n = 0;
3160                         string::const_iterator x = p.begin();
3161
3162                         while (slashcnt < 3 && x != p.end()) {
3163                                 if ((*x) == '/') {
3164                                         slashcnt++;
3165                                 } else if (slashcnt == 3) {
3166                                         break;
3167                                 }
3168                                 ++n;
3169                                 ++x;
3170                         }
3171
3172                         if (slashcnt != 3 || x == p.end()) {
3173                                 error << _("malformed URL passed to drag-n-drop code") << endmsg;
3174                                 continue;
3175                         }
3176
3177                         paths.push_back (p.substr (n - 1));
3178                 }
3179         }
3180
3181         return 0;
3182 }
3183
3184 void
3185 Editor::new_tempo_section ()
3186
3187 {
3188 }
3189
3190 void
3191 Editor::map_transport_state ()
3192 {
3193         ENSURE_GUI_THREAD (*this, &Editor::map_transport_state);
3194
3195         if (_session && _session->transport_stopped()) {
3196                 have_pending_keyboard_selection = false;
3197         }
3198
3199         update_loop_range_view (true);
3200 }
3201
3202 /* UNDO/REDO */
3203
3204 void
3205 Editor::begin_reversible_command (string name)
3206 {
3207         if (_session) {
3208                 _session->begin_reversible_command (name);
3209         }
3210 }
3211
3212 void
3213 Editor::begin_reversible_command (GQuark q)
3214 {
3215         if (_session) {
3216                 _session->begin_reversible_command (q);
3217         }
3218 }
3219
3220 void
3221 Editor::commit_reversible_command ()
3222 {
3223         if (_session) {
3224                 _session->commit_reversible_command ();
3225         }
3226 }
3227
3228 void
3229 Editor::history_changed ()
3230 {
3231         string label;
3232
3233         if (undo_action && _session) {
3234                 if (_session->undo_depth() == 0) {
3235                         label = S_("Command|Undo");
3236                 } else {
3237                         label = string_compose(S_("Command|Undo (%1)"), _session->next_undo());
3238                 }
3239                 undo_action->property_label() = label;
3240         }
3241
3242         if (redo_action && _session) {
3243                 if (_session->redo_depth() == 0) {
3244                         label = _("Redo");
3245                 } else {
3246                         label = string_compose(_("Redo (%1)"), _session->next_redo());
3247                 }
3248                 redo_action->property_label() = label;
3249         }
3250 }
3251
3252 void
3253 Editor::duplicate_range (bool with_dialog)
3254 {
3255         float times = 1.0f;
3256
3257         if (mouse_mode == MouseRange) {
3258                 if (selection->time.length() == 0) {
3259                         return;
3260                 }
3261         }
3262
3263         RegionSelection rs = get_regions_from_selection_and_entered ();
3264
3265         if (mouse_mode != MouseRange && rs.empty()) {
3266                 return;
3267         }
3268
3269         if (with_dialog) {
3270
3271                 ArdourDialog win (_("Duplicate"));
3272                 Label label (_("Number of duplications:"));
3273                 Adjustment adjustment (1.0, 1.0, 1000000.0, 1.0, 5.0);
3274                 SpinButton spinner (adjustment, 0.0, 1);
3275                 HBox hbox;
3276
3277                 win.get_vbox()->set_spacing (12);
3278                 win.get_vbox()->pack_start (hbox);
3279                 hbox.set_border_width (6);
3280                 hbox.pack_start (label, PACK_EXPAND_PADDING, 12);
3281
3282                 /* dialogs have ::add_action_widget() but that puts the spinner in the wrong
3283                    place, visually. so do this by hand.
3284                 */
3285
3286                 hbox.pack_start (spinner, PACK_EXPAND_PADDING, 12);
3287                 spinner.signal_activate().connect (sigc::bind (sigc::mem_fun (win, &ArdourDialog::response), RESPONSE_ACCEPT));
3288                 spinner.grab_focus();
3289
3290                 hbox.show ();
3291                 label.show ();
3292                 spinner.show ();
3293
3294                 win.add_button (Stock::CANCEL, RESPONSE_CANCEL);
3295                 win.add_button (_("Duplicate"), RESPONSE_ACCEPT);
3296                 win.set_default_response (RESPONSE_ACCEPT);
3297
3298                 win.set_position (WIN_POS_MOUSE);
3299
3300                 spinner.grab_focus ();
3301
3302                 switch (win.run ()) {
3303                 case RESPONSE_ACCEPT:
3304                         break;
3305                 default:
3306                         return;
3307                 }
3308
3309                 times = adjustment.get_value();
3310         }
3311
3312         if (mouse_mode == MouseRange) {
3313                 duplicate_selection (times);
3314         } else {
3315                 duplicate_some_regions (rs, times);
3316         }
3317 }
3318
3319 void
3320 Editor::set_edit_mode (EditMode m)
3321 {
3322         Config->set_edit_mode (m);
3323 }
3324
3325 void
3326 Editor::cycle_edit_mode ()
3327 {
3328         switch (Config->get_edit_mode()) {
3329         case Slide:
3330                 if (Profile->get_sae()) {
3331                         Config->set_edit_mode (Lock);
3332                 } else {
3333                         Config->set_edit_mode (Splice);
3334                 }
3335                 break;
3336         case Splice:
3337                 Config->set_edit_mode (Lock);
3338                 break;
3339         case Lock:
3340                 Config->set_edit_mode (Slide);
3341                 break;
3342         }
3343 }
3344
3345 void
3346 Editor::edit_mode_selection_done ()
3347 {
3348         string s = edit_mode_selector.get_active_text ();
3349
3350         if (!s.empty()) {
3351                 Config->set_edit_mode (string_to_edit_mode (s));
3352         }
3353 }
3354
3355 void
3356 Editor::snap_type_selection_done ()
3357 {
3358         string choice = snap_type_selector.get_active_text();
3359         SnapType snaptype = SnapToBeat;
3360
3361         if (choice == _("Beats/2")) {
3362                 snaptype = SnapToBeatDiv2;
3363         } else if (choice == _("Beats/3")) {
3364                 snaptype = SnapToBeatDiv3;
3365         } else if (choice == _("Beats/4")) {
3366                 snaptype = SnapToBeatDiv4;
3367         } else if (choice == _("Beats/5")) {
3368                 snaptype = SnapToBeatDiv5;
3369         } else if (choice == _("Beats/6")) {
3370                 snaptype = SnapToBeatDiv6;
3371         } else if (choice == _("Beats/7")) {
3372                 snaptype = SnapToBeatDiv7;
3373         } else if (choice == _("Beats/8")) {
3374                 snaptype = SnapToBeatDiv8;
3375         } else if (choice == _("Beats/10")) {
3376                 snaptype = SnapToBeatDiv10;
3377         } else if (choice == _("Beats/12")) {
3378                 snaptype = SnapToBeatDiv12;
3379         } else if (choice == _("Beats/14")) {
3380                 snaptype = SnapToBeatDiv14;
3381         } else if (choice == _("Beats/16")) {
3382                 snaptype = SnapToBeatDiv16;
3383         } else if (choice == _("Beats/20")) {
3384                 snaptype = SnapToBeatDiv20;
3385         } else if (choice == _("Beats/24")) {
3386                 snaptype = SnapToBeatDiv24;
3387         } else if (choice == _("Beats/28")) {
3388                 snaptype = SnapToBeatDiv28;
3389         } else if (choice == _("Beats/32")) {
3390                 snaptype = SnapToBeatDiv32;
3391         } else if (choice == _("Beats/64")) {
3392                 snaptype = SnapToBeatDiv64;
3393         } else if (choice == _("Beats/128")) {
3394                 snaptype = SnapToBeatDiv128;
3395         } else if (choice == _("Beats")) {
3396                 snaptype = SnapToBeat;
3397         } else if (choice == _("Bars")) {
3398                 snaptype = SnapToBar;
3399         } else if (choice == _("Marks")) {
3400                 snaptype = SnapToMark;
3401         } else if (choice == _("Region starts")) {
3402                 snaptype = SnapToRegionStart;
3403         } else if (choice == _("Region ends")) {
3404                 snaptype = SnapToRegionEnd;
3405         } else if (choice == _("Region bounds")) {
3406                 snaptype = SnapToRegionBoundary;
3407         } else if (choice == _("Region syncs")) {
3408                 snaptype = SnapToRegionSync;
3409         } else if (choice == _("CD Frames")) {
3410                 snaptype = SnapToCDFrame;
3411         } else if (choice == _("Timecode Frames")) {
3412                 snaptype = SnapToTimecodeFrame;
3413         } else if (choice == _("Timecode Seconds")) {
3414                 snaptype = SnapToTimecodeSeconds;
3415         } else if (choice == _("Timecode Minutes")) {
3416                 snaptype = SnapToTimecodeMinutes;
3417         } else if (choice == _("Seconds")) {
3418                 snaptype = SnapToSeconds;
3419         } else if (choice == _("Minutes")) {
3420                 snaptype = SnapToMinutes;
3421         }
3422
3423         RefPtr<RadioAction> ract = snap_type_action (snaptype);
3424         if (ract) {
3425                 ract->set_active ();
3426         }
3427 }
3428
3429 void
3430 Editor::snap_mode_selection_done ()
3431 {
3432         string choice = snap_mode_selector.get_active_text();
3433         SnapMode mode = SnapNormal;
3434
3435         if (choice == _("No Grid")) {
3436                 mode = SnapOff;
3437         } else if (choice == _("Grid")) {
3438                 mode = SnapNormal;
3439         } else if (choice == _("Magnetic")) {
3440                 mode = SnapMagnetic;
3441         }
3442
3443         RefPtr<RadioAction> ract = snap_mode_action (mode);
3444
3445         if (ract) {
3446                 ract->set_active (true);
3447         }
3448 }
3449
3450 void
3451 Editor::cycle_edit_point (bool with_marker)
3452 {
3453         switch (_edit_point) {
3454         case EditAtMouse:
3455                 set_edit_point_preference (EditAtPlayhead);
3456                 break;
3457         case EditAtPlayhead:
3458                 if (with_marker) {
3459                         set_edit_point_preference (EditAtSelectedMarker);
3460                 } else {
3461                         set_edit_point_preference (EditAtMouse);
3462                 }
3463                 break;
3464         case EditAtSelectedMarker:
3465                 set_edit_point_preference (EditAtMouse);
3466                 break;
3467         }
3468 }
3469
3470 void
3471 Editor::edit_point_selection_done ()
3472 {
3473         string choice = edit_point_selector.get_active_text();
3474         EditPoint ep = EditAtSelectedMarker;
3475
3476         if (choice == _("Marker")) {
3477                 set_edit_point_preference (EditAtSelectedMarker);
3478         } else if (choice == _("Playhead")) {
3479                 set_edit_point_preference (EditAtPlayhead);
3480         } else {
3481                 set_edit_point_preference (EditAtMouse);
3482         }
3483
3484         RefPtr<RadioAction> ract = edit_point_action (ep);
3485
3486         if (ract) {
3487                 ract->set_active (true);
3488         }
3489 }
3490
3491 void
3492 Editor::zoom_focus_selection_done ()
3493 {
3494         string choice = zoom_focus_selector.get_active_text();
3495         ZoomFocus focus_type = ZoomFocusLeft;
3496
3497         if (choice == _("Left")) {
3498                 focus_type = ZoomFocusLeft;
3499         } else if (choice == _("Right")) {
3500                 focus_type = ZoomFocusRight;
3501         } else if (choice == _("Center")) {
3502                 focus_type = ZoomFocusCenter;
3503         } else if (choice == _("Playhead")) {
3504                 focus_type = ZoomFocusPlayhead;
3505         } else if (choice == _("Mouse")) {
3506                 focus_type = ZoomFocusMouse;
3507         } else if (choice == _("Edit point")) {
3508                 focus_type = ZoomFocusEdit;
3509         }
3510
3511         RefPtr<RadioAction> ract = zoom_focus_action (focus_type);
3512
3513         if (ract) {
3514                 ract->set_active ();
3515         }
3516 }
3517
3518 bool
3519 Editor::edit_controls_button_release (GdkEventButton* ev)
3520 {
3521         if (Keyboard::is_context_menu_event (ev)) {
3522                 ARDOUR_UI::instance()->add_route (this);
3523         } else if (ev->button == 1) {
3524                 selection->clear_tracks ();
3525         }
3526
3527         return true;
3528 }
3529
3530 bool
3531 Editor::mouse_select_button_release (GdkEventButton* ev)
3532 {
3533         /* this handles just right-clicks */
3534
3535         if (ev->button != 3) {
3536                 return false;
3537         }
3538
3539         return true;
3540 }
3541
3542 void
3543 Editor::set_zoom_focus (ZoomFocus f)
3544 {
3545         string str = zoom_focus_strings[(int)f];
3546
3547         if (str != zoom_focus_selector.get_active_text()) {
3548                 zoom_focus_selector.set_active_text (str);
3549         }
3550
3551         if (zoom_focus != f) {
3552                 zoom_focus = f;
3553                 instant_save ();
3554         }
3555 }
3556
3557 void
3558 Editor::ensure_float (Window& win)
3559 {
3560         win.set_transient_for (*this);
3561 }
3562
3563 void
3564 Editor::pane_allocation_handler (Allocation &alloc, Paned* which)
3565 {
3566         /* recover or initialize pane positions. do this here rather than earlier because
3567            we don't want the positions to change the child allocations, which they seem to do.
3568          */
3569
3570         int pos;
3571         XMLProperty* prop;
3572         char buf[32];
3573         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
3574
3575         enum Pane {
3576                 Horizontal = 0x1,
3577                 Vertical = 0x2
3578         };
3579
3580         static Pane done;
3581
3582         XMLNode* geometry = find_named_node (*node, "geometry");
3583
3584         if (which == static_cast<Paned*> (&edit_pane)) {
3585
3586                 if (done & Horizontal) {
3587                         return;
3588                 }
3589
3590                 if (geometry && (prop = geometry->property ("notebook-shrunk"))) {
3591                         _notebook_shrunk = string_is_affirmative (prop->value ());
3592                 }
3593
3594                 if (!geometry || (prop = geometry->property ("edit-horizontal-pane-pos")) == 0) {
3595                         /* initial allocation is 90% to canvas, 10% to notebook */
3596                         pos = (int) floor (alloc.get_width() * 0.90f);
3597                         snprintf (buf, sizeof(buf), "%d", pos);
3598                 } else {
3599                         pos = atoi (prop->value());
3600                 }
3601
3602                 if (GTK_WIDGET(edit_pane.gobj())->allocation.width > pos) {
3603                         edit_pane.set_position (pos);
3604                 }
3605
3606                 done = (Pane) (done | Horizontal);
3607
3608         } else if (which == static_cast<Paned*> (&editor_summary_pane)) {
3609
3610                 if (done & Vertical) {
3611                         return;
3612                 }
3613
3614                 if (!geometry || (prop = geometry->property ("edit-vertical-pane-pos")) == 0) {
3615                         /* initial allocation is 90% to canvas, 10% to summary */
3616                         pos = (int) floor (alloc.get_height() * 0.90f);
3617                         snprintf (buf, sizeof(buf), "%d", pos);
3618                 } else {
3619
3620                         pos = atoi (prop->value());
3621                 }
3622
3623                 if (GTK_WIDGET(editor_summary_pane.gobj())->allocation.height > pos) {
3624                         editor_summary_pane.set_position (pos);
3625                 }
3626
3627                 done = (Pane) (done | Vertical);
3628         }
3629 }
3630
3631 void
3632 Editor::detach_tearoff (Box* /*b*/, Window* /*w*/)
3633 {
3634         if ((_tools_tearoff->torn_off() || !_tools_tearoff->visible()) &&
3635             (_mouse_mode_tearoff->torn_off() || !_mouse_mode_tearoff->visible()) &&
3636             (_zoom_tearoff->torn_off() || !_zoom_tearoff->visible())) {
3637                 top_hbox.remove (toolbar_frame);
3638         }
3639 }
3640
3641 void
3642 Editor::reattach_tearoff (Box* /*b*/, Window* /*w*/, int32_t /*n*/)
3643 {
3644         if (toolbar_frame.get_parent() == 0) {
3645                 top_hbox.pack_end (toolbar_frame);
3646         }
3647 }
3648
3649 void
3650 Editor::set_show_measures (bool yn)
3651 {
3652         if (_show_measures != yn) {
3653                 hide_measures ();
3654
3655                 if ((_show_measures = yn) == true) {
3656                         if (tempo_lines)
3657                                 tempo_lines->show();
3658                         draw_measures ();
3659                 }
3660                 instant_save ();
3661         }
3662 }
3663
3664 void
3665 Editor::toggle_follow_playhead ()
3666 {
3667         RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
3668         if (act) {
3669                 RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
3670                 set_follow_playhead (tact->get_active());
3671         }
3672 }
3673
3674 /** @param yn true to follow playhead, otherwise false.
3675  *  @param catch_up true to reset the editor view to show the playhead (if yn == true), otherwise false.
3676  */
3677 void
3678 Editor::set_follow_playhead (bool yn, bool catch_up)
3679 {
3680         if (_follow_playhead != yn) {
3681                 if ((_follow_playhead = yn) == true && catch_up) {
3682                         /* catch up */
3683                         reset_x_origin_to_follow_playhead ();
3684                 }
3685                 instant_save ();
3686         }
3687 }
3688
3689 void
3690 Editor::toggle_stationary_playhead ()
3691 {
3692         RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-stationary-playhead"));
3693         if (act) {
3694                 RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
3695                 set_stationary_playhead (tact->get_active());
3696         }
3697 }
3698
3699 void
3700 Editor::set_stationary_playhead (bool yn)
3701 {
3702         if (_stationary_playhead != yn) {
3703                 if ((_stationary_playhead = yn) == true) {
3704                         /* catch up */
3705                         // FIXME need a 3.0 equivalent of this 2.X call
3706                         // update_current_screen ();
3707                 }
3708                 instant_save ();
3709         }
3710 }
3711
3712 PlaylistSelector&
3713 Editor::playlist_selector () const
3714 {
3715         return *_playlist_selector;
3716 }
3717
3718 Evoral::MusicalTime
3719 Editor::get_grid_type_as_beats (bool& success, framepos_t position)
3720 {
3721         success = true;
3722
3723         switch (_snap_type) {
3724         case SnapToBeat:
3725                 return 1.0;
3726                 break;
3727
3728         case SnapToBeatDiv128:
3729                 return 1.0/128.0;
3730                 break;
3731         case SnapToBeatDiv64:
3732                 return 1.0/64.0;
3733                 break;
3734         case SnapToBeatDiv32:
3735                 return 1.0/32.0;
3736                 break;
3737         case SnapToBeatDiv28:
3738                 return 1.0/28.0;
3739                 break;
3740         case SnapToBeatDiv24:
3741                 return 1.0/24.0;
3742                 break;
3743         case SnapToBeatDiv20:
3744                 return 1.0/20.0;
3745                 break;
3746         case SnapToBeatDiv16:
3747                 return 1.0/16.0;
3748                 break;
3749         case SnapToBeatDiv14:
3750                 return 1.0/14.0;
3751                 break;
3752         case SnapToBeatDiv12:
3753                 return 1.0/12.0;
3754                 break;
3755         case SnapToBeatDiv10:
3756                 return 1.0/10.0;
3757                 break;
3758         case SnapToBeatDiv8:
3759                 return 1.0/8.0;
3760                 break;
3761         case SnapToBeatDiv7:
3762                 return 1.0/7.0;
3763                 break;
3764         case SnapToBeatDiv6:
3765                 return 1.0/6.0;
3766                 break;
3767         case SnapToBeatDiv5:
3768                 return 1.0/5.0;
3769                 break;
3770         case SnapToBeatDiv4:
3771                 return 1.0/4.0;
3772                 break;
3773         case SnapToBeatDiv3:
3774                 return 1.0/3.0;
3775                 break;
3776         case SnapToBeatDiv2:
3777                 return 1.0/2.0;
3778                 break;
3779
3780         case SnapToBar:
3781                 if (_session) {
3782                         return _session->tempo_map().meter_at (position).divisions_per_bar();
3783                 }
3784                 break;
3785
3786         case SnapToCDFrame:
3787         case SnapToTimecodeFrame:
3788         case SnapToTimecodeSeconds:
3789         case SnapToTimecodeMinutes:
3790         case SnapToSeconds:
3791         case SnapToMinutes:
3792         case SnapToRegionStart:
3793         case SnapToRegionEnd:
3794         case SnapToRegionSync:
3795         case SnapToRegionBoundary:
3796         default:
3797                 success = false;
3798                 break;
3799         }
3800
3801         return 0.0;
3802 }
3803
3804 framecnt_t
3805 Editor::get_nudge_distance (framepos_t pos, framecnt_t& next)
3806 {
3807         framecnt_t ret;
3808
3809         ret = nudge_clock->current_duration (pos);
3810         next = ret + 1; /* XXXX fix me */
3811
3812         return ret;
3813 }
3814
3815 int
3816 Editor::playlist_deletion_dialog (boost::shared_ptr<Playlist> pl)
3817 {
3818         ArdourDialog dialog (_("Playlist Deletion"));
3819         Label  label (string_compose (_("Playlist %1 is currently unused.\n"
3820                                         "If it is kept, its audio files will not be cleaned.\n"
3821                                         "If it is deleted, audio files used by it alone will be cleaned."),
3822                                       pl->name()));
3823
3824         dialog.set_position (WIN_POS_CENTER);
3825         dialog.get_vbox()->pack_start (label);
3826
3827         label.show ();
3828
3829         dialog.add_button (_("Delete Playlist"), RESPONSE_ACCEPT);
3830         dialog.add_button (_("Keep Playlist"), RESPONSE_REJECT);
3831         dialog.add_button (_("Cancel"), RESPONSE_CANCEL);
3832
3833         switch (dialog.run ()) {
3834         case RESPONSE_ACCEPT:
3835                 /* delete the playlist */
3836                 return 0;
3837                 break;
3838
3839         case RESPONSE_REJECT:
3840                 /* keep the playlist */
3841                 return 1;
3842                 break;
3843
3844         default:
3845                 break;
3846         }
3847
3848         return -1;
3849 }
3850
3851 bool
3852 Editor::audio_region_selection_covers (framepos_t where)
3853 {
3854         for (RegionSelection::iterator a = selection->regions.begin(); a != selection->regions.end(); ++a) {
3855                 if ((*a)->region()->covers (where)) {
3856                         return true;
3857                 }
3858         }
3859
3860         return false;
3861 }
3862
3863 void
3864 Editor::prepare_for_cleanup ()
3865 {
3866         cut_buffer->clear_regions ();
3867         cut_buffer->clear_playlists ();
3868
3869         selection->clear_regions ();
3870         selection->clear_playlists ();
3871
3872         _regions->suspend_redisplay ();
3873 }
3874
3875 void
3876 Editor::finish_cleanup ()
3877 {
3878         _regions->resume_redisplay ();
3879 }
3880
3881 Location*
3882 Editor::transport_loop_location()
3883 {
3884         if (_session) {
3885                 return _session->locations()->auto_loop_location();
3886         } else {
3887                 return 0;
3888         }
3889 }
3890
3891 Location*
3892 Editor::transport_punch_location()
3893 {
3894         if (_session) {
3895                 return _session->locations()->auto_punch_location();
3896         } else {
3897                 return 0;
3898         }
3899 }
3900
3901 bool
3902 Editor::control_layout_scroll (GdkEventScroll* ev)
3903 {
3904         if (Keyboard::some_magic_widget_has_focus()) {
3905                 return false;
3906         }
3907
3908         switch (ev->direction) {
3909         case GDK_SCROLL_UP:
3910                 scroll_tracks_up_line ();
3911                 return true;
3912                 break;
3913
3914         case GDK_SCROLL_DOWN:
3915                 scroll_tracks_down_line ();
3916                 return true;
3917
3918         default:
3919                 /* no left/right handling yet */
3920                 break;
3921         }
3922
3923         return false;
3924 }
3925
3926 void
3927 Editor::session_state_saved (string)
3928 {
3929         update_title ();
3930         _snapshots->redisplay ();
3931 }
3932
3933 void
3934 Editor::update_tearoff_visibility()
3935 {
3936         bool visible = Config->get_keep_tearoffs();
3937         _mouse_mode_tearoff->set_visible (visible);
3938         _tools_tearoff->set_visible (visible);
3939         _zoom_tearoff->set_visible (visible);
3940 }
3941
3942 void
3943 Editor::maximise_editing_space ()
3944 {
3945         if (_maximised) {
3946                 return;
3947         }
3948
3949         fullscreen ();
3950
3951         _maximised = true;
3952 }
3953
3954 void
3955 Editor::restore_editing_space ()
3956 {
3957         if (!_maximised) {
3958                 return;
3959         }
3960
3961         unfullscreen();
3962
3963         _maximised = false;
3964 }
3965
3966 /**
3967  *  Make new playlists for a given track and also any others that belong
3968  *  to the same active route group with the `edit' property.
3969  *  @param v Track.
3970  */
3971
3972 void
3973 Editor::new_playlists (TimeAxisView* v)
3974 {
3975         begin_reversible_command (_("new playlists"));
3976         vector<boost::shared_ptr<ARDOUR::Playlist> > playlists;
3977         _session->playlists->get (playlists);
3978         mapover_tracks (sigc::bind (sigc::mem_fun (*this, &Editor::mapped_use_new_playlist), playlists), v, ARDOUR::Properties::edit.property_id);
3979         commit_reversible_command ();
3980 }
3981
3982 /**
3983  *  Use a copy of the current playlist for a given track and also any others that belong
3984  *  to the same active route group with the `edit' property.
3985  *  @param v Track.
3986  */
3987
3988 void
3989 Editor::copy_playlists (TimeAxisView* v)
3990 {
3991         begin_reversible_command (_("copy playlists"));
3992         vector<boost::shared_ptr<ARDOUR::Playlist> > playlists;
3993         _session->playlists->get (playlists);
3994         mapover_tracks (sigc::bind (sigc::mem_fun (*this, &Editor::mapped_use_copy_playlist), playlists), v, ARDOUR::Properties::edit.property_id);
3995         commit_reversible_command ();
3996 }
3997
3998 /** Clear the current playlist for a given track and also any others that belong
3999  *  to the same active route group with the `edit' property.
4000  *  @param v Track.
4001  */
4002
4003 void
4004 Editor::clear_playlists (TimeAxisView* v)
4005 {
4006         begin_reversible_command (_("clear playlists"));
4007         vector<boost::shared_ptr<ARDOUR::Playlist> > playlists;
4008         _session->playlists->get (playlists);
4009         mapover_tracks (sigc::mem_fun (*this, &Editor::mapped_clear_playlist), v, ARDOUR::Properties::edit.property_id);
4010         commit_reversible_command ();
4011 }
4012
4013 void
4014 Editor::mapped_use_new_playlist (RouteTimeAxisView& atv, uint32_t sz, vector<boost::shared_ptr<ARDOUR::Playlist> > const & playlists)
4015 {
4016         atv.use_new_playlist (sz > 1 ? false : true, playlists);
4017 }
4018
4019 void
4020 Editor::mapped_use_copy_playlist (RouteTimeAxisView& atv, uint32_t sz, vector<boost::shared_ptr<ARDOUR::Playlist> > const & playlists)
4021 {
4022         atv.use_copy_playlist (sz > 1 ? false : true, playlists);
4023 }
4024
4025 void
4026 Editor::mapped_clear_playlist (RouteTimeAxisView& atv, uint32_t /*sz*/)
4027 {
4028         atv.clear_playlist ();
4029 }
4030
4031 bool
4032 Editor::on_key_press_event (GdkEventKey* ev)
4033 {
4034         return key_press_focus_accelerator_handler (*this, ev);
4035 }
4036
4037 bool
4038 Editor::on_key_release_event (GdkEventKey* ev)
4039 {
4040         return Gtk::Window::on_key_release_event (ev);
4041         // return key_press_focus_accelerator_handler (*this, ev);
4042 }
4043
4044 /** Queue up a change to the viewport x origin.
4045  *  @param frame New x origin.
4046  */
4047 void
4048 Editor::reset_x_origin (framepos_t frame)
4049 {
4050         pending_visual_change.add (VisualChange::TimeOrigin);
4051         pending_visual_change.time_origin = frame;
4052         ensure_visual_change_idle_handler ();
4053 }
4054
4055 void
4056 Editor::reset_y_origin (double y)
4057 {
4058         pending_visual_change.add (VisualChange::YOrigin);
4059         pending_visual_change.y_origin = y;
4060         ensure_visual_change_idle_handler ();
4061 }
4062
4063 void
4064 Editor::reset_zoom (double fpu)
4065 {
4066         clamp_frames_per_unit (fpu);
4067
4068         if (fpu == frames_per_unit) {
4069                 return;
4070         }
4071
4072         pending_visual_change.add (VisualChange::ZoomLevel);
4073         pending_visual_change.frames_per_unit = fpu;
4074         ensure_visual_change_idle_handler ();
4075 }
4076
4077 void
4078 Editor::reposition_and_zoom (framepos_t frame, double fpu)
4079 {
4080         reset_x_origin (frame);
4081         reset_zoom (fpu);
4082
4083         if (!no_save_visual) {
4084                 undo_visual_stack.push_back (current_visual_state(false));
4085         }
4086 }
4087
4088 Editor::VisualState::VisualState (bool with_tracks)
4089         : gui_state (with_tracks ? new GUIObjectState : 0)
4090 {
4091 }
4092
4093 Editor::VisualState::~VisualState ()
4094 {
4095         delete gui_state;
4096 }
4097
4098 Editor::VisualState*
4099 Editor::current_visual_state (bool with_tracks)
4100 {
4101         VisualState* vs = new VisualState (with_tracks);
4102         vs->y_position = vertical_adjustment.get_value();
4103         vs->frames_per_unit = frames_per_unit;
4104         vs->leftmost_frame = leftmost_frame;
4105         vs->zoom_focus = zoom_focus;
4106
4107         if (with_tracks) {
4108                 *vs->gui_state = *ARDOUR_UI::instance()->gui_object_state;
4109         }
4110
4111         return vs;
4112 }
4113
4114 void
4115 Editor::undo_visual_state ()
4116 {
4117         if (undo_visual_stack.empty()) {
4118                 return;
4119         }
4120
4121         VisualState* vs = undo_visual_stack.back();
4122         undo_visual_stack.pop_back();
4123
4124
4125         redo_visual_stack.push_back (current_visual_state (vs ? vs->gui_state != 0 : false));
4126
4127         use_visual_state (*vs);
4128 }
4129
4130 void
4131 Editor::redo_visual_state ()
4132 {
4133         if (redo_visual_stack.empty()) {
4134                 return;
4135         }
4136
4137         VisualState* vs = redo_visual_stack.back();
4138         redo_visual_stack.pop_back();
4139
4140         undo_visual_stack.push_back (current_visual_state (vs ? vs->gui_state != 0 : false));
4141
4142         use_visual_state (*vs);
4143 }
4144
4145 void
4146 Editor::swap_visual_state ()
4147 {
4148         if (undo_visual_stack.empty()) {
4149                 redo_visual_state ();
4150         } else {
4151                 undo_visual_state ();
4152         }
4153 }
4154
4155 void
4156 Editor::use_visual_state (VisualState& vs)
4157 {
4158         PBD::Unwinder<bool> nsv (no_save_visual, true);
4159
4160         _routes->suspend_redisplay ();
4161
4162         vertical_adjustment.set_value (vs.y_position);
4163
4164         set_zoom_focus (vs.zoom_focus);
4165         reposition_and_zoom (vs.leftmost_frame, vs.frames_per_unit);
4166
4167         if (vs.gui_state) {
4168                 *ARDOUR_UI::instance()->gui_object_state = *vs.gui_state;
4169
4170                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
4171                         (*i)->reset_visual_state ();
4172                 }
4173         }
4174
4175         _routes->update_visibility ();
4176         _routes->resume_redisplay ();
4177 }
4178
4179 /** This is the core function that controls the zoom level of the canvas. It is called
4180  *  whenever one or more calls are made to reset_zoom().  It executes in an idle handler.
4181  *  @param fpu New frames per unit; should already have been clamped so that it is sensible.
4182  */
4183 void
4184 Editor::set_frames_per_unit (double fpu)
4185 {
4186         if (tempo_lines) {
4187                 tempo_lines->tempo_map_changed();
4188         }
4189
4190         frames_per_unit = fpu;
4191
4192         /* convert fpu to frame count */
4193
4194         framepos_t frames = (framepos_t) floor (frames_per_unit * _canvas_width);
4195
4196         if (frames_per_unit != zoom_range_clock->current_duration()) {
4197                 zoom_range_clock->set (frames);
4198         }
4199
4200         bool const showing_time_selection =
4201                 mouse_mode == MouseRange ||
4202                 (mouse_mode == MouseObject && _join_object_range_state != JOIN_OBJECT_RANGE_NONE);
4203
4204         if (showing_time_selection && selection->time.start () != selection->time.end_frame ()) {
4205                 for (TrackViewList::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
4206                         (*i)->reshow_selection (selection->time);
4207                 }
4208         }
4209
4210         ZoomChanged (); /* EMIT_SIGNAL */
4211
4212         //reset_scrolling_region ();
4213
4214         if (playhead_cursor) {
4215                 playhead_cursor->set_position (playhead_cursor->current_frame);
4216         }
4217
4218         refresh_location_display();
4219         _summary->set_overlays_dirty ();
4220
4221         update_marker_labels ();
4222
4223         instant_save ();
4224 }
4225
4226 void
4227 Editor::ensure_visual_change_idle_handler ()
4228 {
4229         if (pending_visual_change.idle_handler_id < 0) {
4230                 pending_visual_change.idle_handler_id = g_idle_add (_idle_visual_changer, this);
4231         }
4232 }
4233
4234 int
4235 Editor::_idle_visual_changer (void* arg)
4236 {
4237         return static_cast<Editor*>(arg)->idle_visual_changer ();
4238 }
4239
4240 int
4241 Editor::idle_visual_changer ()
4242 {
4243         /* set_horizontal_position() below (and maybe other calls) call
4244            gtk_main_iteration(), so it's possible that a signal will be handled
4245            half-way through this method.  If this signal wants an
4246            idle_visual_changer we must schedule another one after this one, so
4247            mark the idle_handler_id as -1 here to allow that.  Also make a note
4248            that we are doing the visual change, so that changes in response to
4249            super-rapid-screen-update can be dropped if we are still processing
4250            the last one.
4251         */
4252         pending_visual_change.idle_handler_id = -1;
4253         pending_visual_change.being_handled = true;
4254
4255         VisualChange::Type p = pending_visual_change.pending;
4256         pending_visual_change.pending = (VisualChange::Type) 0;
4257
4258         double const last_time_origin = horizontal_position ();
4259
4260         if (p & VisualChange::ZoomLevel) {
4261                 set_frames_per_unit (pending_visual_change.frames_per_unit);
4262
4263                 compute_fixed_ruler_scale ();
4264                 compute_current_bbt_points(pending_visual_change.time_origin, pending_visual_change.time_origin + current_page_frames());
4265                 compute_bbt_ruler_scale (pending_visual_change.time_origin, pending_visual_change.time_origin + current_page_frames());
4266                 update_tempo_based_rulers ();
4267         }
4268         if (p & VisualChange::TimeOrigin) {
4269                 set_horizontal_position (pending_visual_change.time_origin / frames_per_unit);
4270         }
4271         if (p & VisualChange::YOrigin) {
4272                 vertical_adjustment.set_value (pending_visual_change.y_origin);
4273         }
4274
4275         if (last_time_origin == horizontal_position ()) {
4276                 /* changed signal not emitted */
4277                 update_fixed_rulers ();
4278                 redisplay_tempo (true);
4279         }
4280
4281         _summary->set_overlays_dirty ();
4282
4283         pending_visual_change.being_handled = false;
4284         return 0; /* this is always a one-shot call */
4285 }
4286
4287 struct EditorOrderTimeAxisSorter {
4288     bool operator() (const TimeAxisView* a, const TimeAxisView* b) const {
4289             return a->order () < b->order ();
4290     }
4291 };
4292
4293 void
4294 Editor::sort_track_selection (TrackViewList& sel)
4295 {
4296         EditorOrderTimeAxisSorter cmp;
4297         sel.sort (cmp);
4298 }
4299
4300 framepos_t
4301 Editor::get_preferred_edit_position (bool ignore_playhead, bool from_context_menu)
4302 {
4303         bool ignored;
4304         framepos_t where = 0;
4305         EditPoint ep = _edit_point;
4306
4307         if (from_context_menu && (ep == EditAtMouse)) {
4308                 return  event_frame (&context_click_event, 0, 0);
4309         }
4310
4311         if (entered_marker) {
4312                 DEBUG_TRACE (DEBUG::CutNPaste, string_compose ("GPEP: use entered marker @ %1\n", entered_marker->position()));
4313                 return entered_marker->position();
4314         }
4315
4316         if (ignore_playhead && ep == EditAtPlayhead) {
4317                 ep = EditAtSelectedMarker;
4318         }
4319
4320         switch (ep) {
4321         case EditAtPlayhead:
4322                 where = _session->audible_frame();
4323                 DEBUG_TRACE (DEBUG::CutNPaste, string_compose ("GPEP: use playhead @ %1\n", where));
4324                 break;
4325
4326         case EditAtSelectedMarker:
4327                 if (!selection->markers.empty()) {
4328                         bool is_start;
4329                         Location* loc = find_location_from_marker (selection->markers.front(), is_start);
4330                         if (loc) {
4331                                 if (is_start) {
4332                                         where =  loc->start();
4333                                 } else {
4334                                         where = loc->end();
4335                                 }
4336                                 DEBUG_TRACE (DEBUG::CutNPaste, string_compose ("GPEP: use selected marker @ %1\n", where));
4337                                 break;
4338                         }
4339                 }
4340                 /* fallthru */
4341
4342         default:
4343         case EditAtMouse:
4344                 if (!mouse_frame (where, ignored)) {
4345                         /* XXX not right but what can we do ? */
4346                         return 0;
4347                 }
4348                 snap_to (where);
4349                 DEBUG_TRACE (DEBUG::CutNPaste, string_compose ("GPEP: use mouse @ %1\n", where));
4350                 break;
4351         }
4352
4353         return where;
4354 }
4355
4356 void
4357 Editor::set_loop_range (framepos_t start, framepos_t end, string cmd)
4358 {
4359         if (!_session) return;
4360
4361         begin_reversible_command (cmd);
4362
4363         Location* tll;
4364
4365         if ((tll = transport_loop_location()) == 0) {
4366                 Location* loc = new Location (*_session, start, end, _("Loop"),  Location::IsAutoLoop);
4367                 XMLNode &before = _session->locations()->get_state();
4368                 _session->locations()->add (loc, true);
4369                 _session->set_auto_loop_location (loc);
4370                 XMLNode &after = _session->locations()->get_state();
4371                 _session->add_command (new MementoCommand<Locations>(*(_session->locations()), &before, &after));
4372         } else {
4373                 XMLNode &before = tll->get_state();
4374                 tll->set_hidden (false, this);
4375                 tll->set (start, end);
4376                 XMLNode &after = tll->get_state();
4377                 _session->add_command (new MementoCommand<Location>(*tll, &before, &after));
4378         }
4379
4380         commit_reversible_command ();
4381 }
4382
4383 void
4384 Editor::set_punch_range (framepos_t start, framepos_t end, string cmd)
4385 {
4386         if (!_session) return;
4387
4388         begin_reversible_command (cmd);
4389
4390         Location* tpl;
4391
4392         if ((tpl = transport_punch_location()) == 0) {
4393                 Location* loc = new Location (*_session, start, end, _("Punch"),  Location::IsAutoPunch);
4394                 XMLNode &before = _session->locations()->get_state();
4395                 _session->locations()->add (loc, true);
4396                 _session->set_auto_loop_location (loc);
4397                 XMLNode &after = _session->locations()->get_state();
4398                 _session->add_command (new MementoCommand<Locations>(*(_session->locations()), &before, &after));
4399         }
4400         else {
4401                 XMLNode &before = tpl->get_state();
4402                 tpl->set_hidden (false, this);
4403                 tpl->set (start, end);
4404                 XMLNode &after = tpl->get_state();
4405                 _session->add_command (new MementoCommand<Location>(*tpl, &before, &after));
4406         }
4407
4408         commit_reversible_command ();
4409 }
4410
4411 /** Find regions which exist at a given time, and optionally on a given list of tracks.
4412  *  @param rs List to which found regions are added.
4413  *  @param where Time to look at.
4414  *  @param ts Tracks to look on; if this is empty, all tracks are examined.
4415  */
4416 void
4417 Editor::get_regions_at (RegionSelection& rs, framepos_t where, const TrackViewList& ts) const
4418 {
4419         const TrackViewList* tracks;
4420
4421         if (ts.empty()) {
4422                 tracks = &track_views;
4423         } else {
4424                 tracks = &ts;
4425         }
4426
4427         for (TrackViewList::const_iterator t = tracks->begin(); t != tracks->end(); ++t) {
4428
4429                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(*t);
4430
4431                 if (rtv) {
4432                         boost::shared_ptr<Track> tr;
4433                         boost::shared_ptr<Playlist> pl;
4434
4435                         if ((tr = rtv->track()) && ((pl = tr->playlist()))) {
4436
4437                                 boost::shared_ptr<RegionList> regions = pl->regions_at (
4438                                                 (framepos_t) floor ( (double) where * tr->speed()));
4439
4440                                 for (RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
4441                                         RegionView* rv = rtv->view()->find_view (*i);
4442                                         if (rv) {
4443                                                 rs.add (rv);
4444                                         }
4445                                 }
4446                         }
4447                 }
4448         }
4449 }
4450
4451 void
4452 Editor::get_regions_after (RegionSelection& rs, framepos_t where, const TrackViewList& ts) const
4453 {
4454         const TrackViewList* tracks;
4455
4456         if (ts.empty()) {
4457                 tracks = &track_views;
4458         } else {
4459                 tracks = &ts;
4460         }
4461
4462         for (TrackViewList::const_iterator t = tracks->begin(); t != tracks->end(); ++t) {
4463                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(*t);
4464                 if (rtv) {
4465                         boost::shared_ptr<Track> tr;
4466                         boost::shared_ptr<Playlist> pl;
4467
4468                         if ((tr = rtv->track()) && ((pl = tr->playlist()))) {
4469
4470                                 boost::shared_ptr<RegionList> regions = pl->regions_touched (
4471                                         (framepos_t) floor ( (double)where * tr->speed()), max_framepos);
4472
4473                                 for (RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
4474
4475                                         RegionView* rv = rtv->view()->find_view (*i);
4476
4477                                         if (rv) {
4478                                                 rs.push_back (rv);
4479                                         }
4480                                 }
4481                         }
4482                 }
4483         }
4484 }
4485
4486 /** Start with regions that are selected.  Then add equivalent regions
4487  *  on tracks in the same active edit-enabled route group as any of
4488  *  the regions that we started with.
4489  */
4490
4491 RegionSelection
4492 Editor::get_regions_from_selection ()
4493 {
4494         return get_equivalent_regions (selection->regions, ARDOUR::Properties::edit.property_id);
4495 }
4496
4497 /** Get regions using the following method:
4498  *
4499  *  Make an initial region list using the selected regions, unless
4500  *  the edit point is `mouse' and the mouse is over an unselected
4501  *  region.  In this case, start with just that region.
4502  *
4503  *  Then, add equivalent regions in active edit groups to the region list.
4504  *
4505  *  Then, search the list of selected tracks to find any selected tracks which
4506  *  do not contain regions already in the region list. If there are no selected
4507  *  tracks and 'No Selection = All Tracks' is active, search all tracks rather
4508  *  than just the selected.
4509  *
4510  *  Add any regions that are under the edit point on these tracks to get the
4511  *  returned region list.
4512  *
4513  *  The rationale here is that the mouse edit point is special in that
4514  *  its position describes both a time and a track; the other edit
4515  *  modes only describe a time.  Hence if the edit point is `mouse' we
4516  *  ignore selected tracks, as we assume the user means something by
4517  *  pointing at a particular track.  Also in this case we take note of
4518  *  the region directly under the edit point, as there is always just one
4519  *  (rather than possibly several with non-mouse edit points).
4520  */
4521
4522 RegionSelection
4523 Editor::get_regions_from_selection_and_edit_point ()
4524 {
4525         RegionSelection regions;
4526
4527         if (_edit_point == EditAtMouse && entered_regionview && !selection->regions.contains (entered_regionview)) {
4528                 regions.add (entered_regionview);
4529         } else {
4530                 regions = selection->regions;
4531         }
4532
4533         TrackViewList tracks;
4534
4535         if (_edit_point != EditAtMouse) {
4536                 tracks = selection->tracks;
4537         }
4538
4539         /* Add any other regions that are in the same
4540            edit-activated route group as one of our regions.
4541          */
4542         regions = get_equivalent_regions (regions, ARDOUR::Properties::edit.property_id);
4543         framepos_t const where = get_preferred_edit_position ();
4544
4545         if (_route_groups->all_group_active_button().get_active() && tracks.empty()) {
4546                 /* tracks is empty (no track selected), and 'No Selection = All Tracks'
4547                  * is enabled, so consider all tracks
4548                  */
4549                 tracks = track_views;
4550         }
4551
4552         if (!tracks.empty()) {
4553                 /* now search the selected tracks for tracks which don't
4554                    already contain regions to be acted upon, and get regions at
4555                    the edit point on those tracks too.
4556                  */
4557                 TrackViewList tracks_without_relevant_regions;
4558
4559                 for (TrackViewList::iterator t = tracks.begin (); t != tracks.end (); ++t) {
4560                         if (!regions.involves (**t)) {
4561                                 /* there are no equivalent regions on this track */
4562                                 tracks_without_relevant_regions.push_back (*t);
4563                         }
4564                 }
4565
4566                 if (!tracks_without_relevant_regions.empty()) {
4567                         /* there are some selected tracks with neither selected
4568                          * regions or their equivalents: act upon all regions in
4569                          * those tracks
4570                          */
4571                         get_regions_at (regions, where, tracks_without_relevant_regions);
4572                 }
4573         }
4574
4575         return regions;
4576 }
4577
4578 /** Start with regions that are selected, or the entered regionview if none are selected.
4579  *  Then add equivalent regions on tracks in the same active edit-enabled route group as any
4580  *  of the regions that we started with.
4581  */
4582
4583 RegionSelection
4584 Editor::get_regions_from_selection_and_entered ()
4585 {
4586         RegionSelection regions = selection->regions;
4587
4588         if (regions.empty() && entered_regionview) {
4589                 regions.add (entered_regionview);
4590         }
4591
4592         return get_equivalent_regions (regions, ARDOUR::Properties::edit.property_id);
4593 }
4594
4595 void
4596 Editor::get_regions_corresponding_to (boost::shared_ptr<Region> region, vector<RegionView*>& regions)
4597 {
4598         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
4599
4600                 RouteTimeAxisView* tatv;
4601
4602                 if ((tatv = dynamic_cast<RouteTimeAxisView*> (*i)) != 0) {
4603
4604                         boost::shared_ptr<Playlist> pl;
4605                         vector<boost::shared_ptr<Region> > results;
4606                         RegionView* marv;
4607                         boost::shared_ptr<Track> tr;
4608
4609                         if ((tr = tatv->track()) == 0) {
4610                                 /* bus */
4611                                 continue;
4612                         }
4613
4614                         if ((pl = (tr->playlist())) != 0) {
4615                                 pl->get_region_list_equivalent_regions (region, results);
4616                         }
4617
4618                         for (vector<boost::shared_ptr<Region> >::iterator ir = results.begin(); ir != results.end(); ++ir) {
4619                                 if ((marv = tatv->view()->find_view (*ir)) != 0) {
4620                                         regions.push_back (marv);
4621                                 }
4622                         }
4623
4624                 }
4625         }
4626 }
4627
4628 void
4629 Editor::show_rhythm_ferret ()
4630 {
4631         if (rhythm_ferret == 0) {
4632                 rhythm_ferret = new RhythmFerret(*this);
4633         }
4634
4635         rhythm_ferret->set_session (_session);
4636         rhythm_ferret->show ();
4637         rhythm_ferret->present ();
4638 }
4639
4640 void
4641 Editor::first_idle ()
4642 {
4643         MessageDialog* dialog = 0;
4644
4645         if (track_views.size() > 1) {
4646                 dialog = new MessageDialog (
4647                         *this,
4648                         string_compose (_("Please wait while %1 loads visual data."), PROGRAM_NAME),
4649                         true
4650                         );
4651                 dialog->present ();
4652                 ARDOUR_UI::instance()->flush_pending ();
4653         }
4654
4655         for (TrackViewList::iterator t = track_views.begin(); t != track_views.end(); ++t) {
4656                 (*t)->first_idle();
4657         }
4658
4659         // first idle adds route children (automation tracks), so we need to redisplay here
4660         _routes->redisplay ();
4661
4662         delete dialog;
4663         _have_idled = true;
4664 }
4665
4666 gboolean
4667 Editor::_idle_resize (gpointer arg)
4668 {
4669         return ((Editor*)arg)->idle_resize ();
4670 }
4671
4672 void
4673 Editor::add_to_idle_resize (TimeAxisView* view, int32_t h)
4674 {
4675         if (resize_idle_id < 0) {
4676                 resize_idle_id = g_idle_add (_idle_resize, this);
4677                 _pending_resize_amount = 0;
4678         }
4679
4680         /* make a note of the smallest resulting height, so that we can clamp the
4681            lower limit at TimeAxisView::hSmall */
4682
4683         int32_t min_resulting = INT32_MAX;
4684
4685         _pending_resize_amount += h;
4686         _pending_resize_view = view;
4687
4688         min_resulting = min (min_resulting, int32_t (_pending_resize_view->current_height()) + _pending_resize_amount);
4689
4690         if (selection->tracks.contains (_pending_resize_view)) {
4691                 for (TrackViewList::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
4692                         min_resulting = min (min_resulting, int32_t ((*i)->current_height()) + _pending_resize_amount);
4693                 }
4694         }
4695
4696         if (min_resulting < 0) {
4697                 min_resulting = 0;
4698         }
4699
4700         /* clamp */
4701         if (uint32_t (min_resulting) < TimeAxisView::preset_height (HeightSmall)) {
4702                 _pending_resize_amount += TimeAxisView::preset_height (HeightSmall) - min_resulting;
4703         }
4704 }
4705
4706 /** Handle pending resizing of tracks */
4707 bool
4708 Editor::idle_resize ()
4709 {
4710         _pending_resize_view->idle_resize (_pending_resize_view->current_height() + _pending_resize_amount);
4711
4712         if (dynamic_cast<AutomationTimeAxisView*> (_pending_resize_view) == 0 &&
4713             selection->tracks.contains (_pending_resize_view)) {
4714
4715                 for (TrackViewList::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
4716                         if (*i != _pending_resize_view) {
4717                                 (*i)->idle_resize ((*i)->current_height() + _pending_resize_amount);
4718                         }
4719                 }
4720         }
4721
4722         _pending_resize_amount = 0;
4723         flush_canvas ();
4724         _group_tabs->set_dirty ();
4725         resize_idle_id = -1;
4726
4727         return false;
4728 }
4729
4730 void
4731 Editor::located ()
4732 {
4733         ENSURE_GUI_THREAD (*this, &Editor::located);
4734
4735         if (_session) {
4736                 playhead_cursor->set_position (_session->audible_frame ());
4737                 if (_follow_playhead && !_pending_initial_locate) {
4738                         reset_x_origin_to_follow_playhead ();
4739                 }
4740         }
4741
4742         _pending_locate_request = false;
4743         _pending_initial_locate = false;
4744 }
4745
4746 void
4747 Editor::region_view_added (RegionView *)
4748 {
4749         _summary->set_dirty ();
4750 }
4751
4752 void
4753 Editor::region_view_removed ()
4754 {
4755         _summary->set_dirty ();
4756 }
4757
4758 TimeAxisView*
4759 Editor::axis_view_from_route (boost::shared_ptr<Route> r) const
4760 {
4761         TrackViewList::const_iterator j = track_views.begin ();
4762         while (j != track_views.end()) {
4763                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (*j);
4764                 if (rtv && rtv->route() == r) {
4765                         return rtv;
4766                 }
4767                 ++j;
4768         }
4769
4770         return 0;
4771 }
4772
4773
4774 TrackViewList
4775 Editor::axis_views_from_routes (boost::shared_ptr<RouteList> r) const
4776 {
4777         TrackViewList t;
4778
4779         for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
4780                 TimeAxisView* tv = axis_view_from_route (*i);
4781                 if (tv) {
4782                         t.push_back (tv);
4783                 }
4784         }
4785
4786         return t;
4787 }
4788
4789 void
4790 Editor::add_routes (RouteList& routes)
4791 {
4792         ENSURE_GUI_THREAD (*this, &Editor::handle_new_route, routes)
4793
4794         RouteTimeAxisView *rtv;
4795         list<RouteTimeAxisView*> new_views;
4796
4797         for (RouteList::iterator x = routes.begin(); x != routes.end(); ++x) {
4798                 boost::shared_ptr<Route> route = (*x);
4799
4800                 if (route->is_hidden() || route->is_monitor()) {
4801                         continue;
4802                 }
4803
4804                 DataType dt = route->input()->default_type();
4805
4806                 if (dt == ARDOUR::DataType::AUDIO) {
4807                         rtv = new AudioTimeAxisView (*this, _session, *track_canvas);
4808                         rtv->set_route (route);
4809                 } else if (dt == ARDOUR::DataType::MIDI) {
4810                         rtv = new MidiTimeAxisView (*this, _session, *track_canvas);
4811                         rtv->set_route (route);
4812                 } else {
4813                         throw unknown_type();
4814                 }
4815
4816                 new_views.push_back (rtv);
4817                 track_views.push_back (rtv);
4818
4819                 rtv->effective_gain_display ();
4820
4821                 if (internal_editing()) {
4822                         rtv->enter_internal_edit_mode ();
4823                 } else {
4824                         rtv->leave_internal_edit_mode ();
4825                 }
4826
4827                 rtv->view()->RegionViewAdded.connect (sigc::mem_fun (*this, &Editor::region_view_added));
4828                 rtv->view()->RegionViewRemoved.connect (sigc::mem_fun (*this, &Editor::region_view_removed));
4829         }
4830
4831         _routes->routes_added (new_views);
4832         _summary->routes_added (new_views);
4833
4834         if (show_editor_mixer_when_tracks_arrive) {
4835                 show_editor_mixer (true);
4836         }
4837
4838         editor_list_button.set_sensitive (true);
4839 }
4840
4841 void
4842 Editor::timeaxisview_deleted (TimeAxisView *tv)
4843 {
4844         if (_session && _session->deletion_in_progress()) {
4845                 /* the situation is under control */
4846                 return;
4847         }
4848
4849         ENSURE_GUI_THREAD (*this, &Editor::timeaxisview_deleted, tv);
4850
4851         RouteTimeAxisView* rtav = dynamic_cast<RouteTimeAxisView*> (tv);
4852
4853         _routes->route_removed (tv);
4854
4855         if (tv == entered_track) {
4856                 entered_track = 0;
4857         }
4858
4859         TimeAxisView::Children c = tv->get_child_list ();
4860         for (TimeAxisView::Children::const_iterator i = c.begin(); i != c.end(); ++i) {
4861                 if (entered_track == i->get()) {
4862                         entered_track = 0;
4863                 }
4864         }
4865
4866         /* remove it from the list of track views */
4867
4868         TrackViewList::iterator i;
4869
4870         if ((i = find (track_views.begin(), track_views.end(), tv)) != track_views.end()) {
4871                 i = track_views.erase (i);
4872         }
4873
4874         /* update whatever the current mixer strip is displaying, if revelant */
4875
4876         boost::shared_ptr<Route> route;
4877
4878         if (rtav) {
4879                 route = rtav->route ();
4880         }
4881
4882         if (current_mixer_strip && current_mixer_strip->route() == route) {
4883
4884                 TimeAxisView* next_tv;
4885
4886                 if (track_views.empty()) {
4887                         next_tv = 0;
4888                 } else if (i == track_views.end()) {
4889                         next_tv = track_views.front();
4890                 } else {
4891                         next_tv = (*i);
4892                 }
4893
4894
4895                 if (next_tv) {
4896                         set_selected_mixer_strip (*next_tv);
4897                 } else {
4898                         /* make the editor mixer strip go away setting the
4899                          * button to inactive (which also unticks the menu option)
4900                          */
4901
4902                         ActionManager::uncheck_toggleaction ("<Actions>/Editor/show-editor-mixer");
4903                 }
4904         }
4905 }
4906
4907 void
4908 Editor::hide_track_in_display (TimeAxisView* tv, bool apply_to_selection)
4909 {
4910         if (apply_to_selection) {
4911                 for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ) {
4912
4913                         TrackSelection::iterator j = i;
4914                         ++j;
4915
4916                         hide_track_in_display (*i, false);
4917
4918                         i = j;
4919                 }
4920         } else {
4921                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (tv);
4922
4923                 if (rtv && current_mixer_strip && (rtv->route() == current_mixer_strip->route())) {
4924                         // this will hide the mixer strip
4925                         set_selected_mixer_strip (*tv);
4926                 }
4927
4928                 _routes->hide_track_in_display (*tv);
4929         }
4930 }
4931
4932 bool
4933 Editor::sync_track_view_list_and_routes ()
4934 {
4935         track_views = TrackViewList (_routes->views ());
4936
4937         _summary->set_dirty ();
4938         _group_tabs->set_dirty ();
4939
4940         return false; // do not call again (until needed)
4941 }
4942
4943 void
4944 Editor::foreach_time_axis_view (sigc::slot<void,TimeAxisView&> theslot)
4945 {
4946         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
4947                 theslot (**i);
4948         }
4949 }
4950
4951 /** Find a RouteTimeAxisView by the ID of its route */
4952 RouteTimeAxisView*
4953 Editor::get_route_view_by_route_id (const PBD::ID& id) const
4954 {
4955         RouteTimeAxisView* v;
4956
4957         for (TrackViewList::const_iterator i = track_views.begin(); i != track_views.end(); ++i) {
4958                 if((v = dynamic_cast<RouteTimeAxisView*>(*i)) != 0) {
4959                         if(v->route()->id() == id) {
4960                                 return v;
4961                         }
4962                 }
4963         }
4964
4965         return 0;
4966 }
4967
4968 void
4969 Editor::fit_route_group (RouteGroup *g)
4970 {
4971         TrackViewList ts = axis_views_from_routes (g->route_list ());
4972         fit_tracks (ts);
4973 }
4974
4975 void
4976 Editor::consider_auditioning (boost::shared_ptr<Region> region)
4977 {
4978         boost::shared_ptr<AudioRegion> r = boost::dynamic_pointer_cast<AudioRegion> (region);
4979
4980         if (r == 0) {
4981                 _session->cancel_audition ();
4982                 return;
4983         }
4984
4985         if (_session->is_auditioning()) {
4986                 _session->cancel_audition ();
4987                 if (r == last_audition_region) {
4988                         return;
4989                 }
4990         }
4991
4992         _session->audition_region (r);
4993         last_audition_region = r;
4994 }
4995
4996
4997 void
4998 Editor::hide_a_region (boost::shared_ptr<Region> r)
4999 {
5000         r->set_hidden (true);
5001 }
5002
5003 void
5004 Editor::show_a_region (boost::shared_ptr<Region> r)
5005 {
5006         r->set_hidden (false);
5007 }
5008
5009 void
5010 Editor::audition_region_from_region_list ()
5011 {
5012         _regions->selection_mapover (sigc::mem_fun (*this, &Editor::consider_auditioning));
5013 }
5014
5015 void
5016 Editor::hide_region_from_region_list ()
5017 {
5018         _regions->selection_mapover (sigc::mem_fun (*this, &Editor::hide_a_region));
5019 }
5020
5021 void
5022 Editor::show_region_in_region_list ()
5023 {
5024         _regions->selection_mapover (sigc::mem_fun (*this, &Editor::show_a_region));
5025 }
5026
5027 void
5028 Editor::step_edit_status_change (bool yn)
5029 {
5030         if (yn) {
5031                 start_step_editing ();
5032         } else {
5033                 stop_step_editing ();
5034         }
5035 }
5036
5037 void
5038 Editor::start_step_editing ()
5039 {
5040         step_edit_connection = Glib::signal_timeout().connect (sigc::mem_fun (*this, &Editor::check_step_edit), 20);
5041 }
5042
5043 void
5044 Editor::stop_step_editing ()
5045 {
5046         step_edit_connection.disconnect ();
5047 }
5048
5049 bool
5050 Editor::check_step_edit ()
5051 {
5052         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5053                 MidiTimeAxisView* mtv = dynamic_cast<MidiTimeAxisView*> (*i);
5054                 if (mtv) {
5055                         mtv->check_step_edit ();
5056                 }
5057         }
5058
5059         return true; // do it again, till we stop
5060 }
5061
5062 bool
5063 Editor::scroll_press (Direction dir)
5064 {
5065         ++_scroll_callbacks;
5066
5067         if (_scroll_connection.connected() && _scroll_callbacks < 5) {
5068                 /* delay the first auto-repeat */
5069                 return true;
5070         }
5071
5072         switch (dir) {
5073         case LEFT:
5074                 scroll_backward (1);
5075                 break;
5076
5077         case RIGHT:
5078                 scroll_forward (1);
5079                 break;
5080
5081         case UP:
5082                 scroll_tracks_up_line ();
5083                 break;
5084
5085         case DOWN:
5086                 scroll_tracks_down_line ();
5087                 break;
5088         }
5089
5090         /* do hacky auto-repeat */
5091         if (!_scroll_connection.connected ()) {
5092
5093                 _scroll_connection = Glib::signal_timeout().connect (
5094                         sigc::bind (sigc::mem_fun (*this, &Editor::scroll_press), dir), 100
5095                         );
5096
5097                 _scroll_callbacks = 0;
5098         }
5099
5100         return true;
5101 }
5102
5103 void
5104 Editor::scroll_release ()
5105 {
5106         _scroll_connection.disconnect ();
5107 }
5108
5109 /** Queue a change for the Editor viewport x origin to follow the playhead */
5110 void
5111 Editor::reset_x_origin_to_follow_playhead ()
5112 {
5113         framepos_t const frame = playhead_cursor->current_frame;
5114
5115         if (frame < leftmost_frame || frame > leftmost_frame + current_page_frames()) {
5116
5117                 if (_session->transport_speed() < 0) {
5118
5119                         if (frame > (current_page_frames() / 2)) {
5120                                 center_screen (frame-(current_page_frames()/2));
5121                         } else {
5122                                 center_screen (current_page_frames()/2);
5123                         }
5124
5125                 } else {
5126
5127                         framepos_t l = 0;
5128
5129                         if (frame < leftmost_frame) {
5130                                 /* moving left */
5131                                 if (_session->transport_rolling()) {
5132                                         /* rolling; end up with the playhead at the right of the page */
5133                                         l = frame - current_page_frames ();
5134                                 } else {
5135                                         /* not rolling: end up with the playhead 1/4 of the way along the page */
5136                                         l = frame - current_page_frames() / 4;
5137                                 }
5138                         } else {
5139                                 /* moving right */
5140                                 if (_session->transport_rolling()) {
5141                                         /* rolling: end up with the playhead on the left of the page */
5142                                         l = frame;
5143                                 } else {
5144                                         /* not rolling: end up with the playhead 3/4 of the way along the page */
5145                                         l = frame - 3 * current_page_frames() / 4;
5146                                 }
5147                         }
5148
5149                         if (l < 0) {
5150                                 l = 0;
5151                         }
5152
5153                         center_screen_internal (l + (current_page_frames() / 2), current_page_frames ());
5154                 }
5155         }
5156 }
5157
5158 void
5159 Editor::super_rapid_screen_update ()
5160 {
5161         if (!_session || !_session->engine().running()) {
5162                 return;
5163         }
5164
5165         /* METERING / MIXER STRIPS */
5166
5167         /* update track meters, if required */
5168         if (is_mapped() && meters_running) {
5169                 RouteTimeAxisView* rtv;
5170                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5171                         if ((rtv = dynamic_cast<RouteTimeAxisView*>(*i)) != 0) {
5172                                 rtv->fast_update ();
5173                         }
5174                 }
5175         }
5176
5177         /* and any current mixer strip */
5178         if (current_mixer_strip) {
5179                 current_mixer_strip->fast_update ();
5180         }
5181
5182         /* PLAYHEAD AND VIEWPORT */
5183
5184         framepos_t const frame = _session->audible_frame();
5185
5186         /* There are a few reasons why we might not update the playhead / viewport stuff:
5187          *
5188          * 1.  we don't update things when there's a pending locate request, otherwise
5189          *     when the editor requests a locate there is a chance that this method
5190          *     will move the playhead before the locate request is processed, causing
5191          *     a visual glitch.
5192          * 2.  if we're not rolling, there's nothing to do here (locates are handled elsewhere).
5193          * 3.  if we're still at the same frame that we were last time, there's nothing to do.
5194          */
5195
5196         if (!_pending_locate_request && _session->transport_speed() != 0 && frame != last_update_frame) {
5197
5198                 last_update_frame = frame;
5199
5200                 if (!_dragging_playhead) {
5201                         playhead_cursor->set_position (frame);
5202                 }
5203
5204                 if (!_stationary_playhead) {
5205
5206                         if (!_dragging_playhead && _follow_playhead && _session->requested_return_frame() < 0 && !pending_visual_change.being_handled) {
5207                                 /* We only do this if we aren't already
5208                                    handling a visual change (ie if
5209                                    pending_visual_change.being_handled is
5210                                    false) so that these requests don't stack
5211                                    up there are too many of them to handle in
5212                                    time.
5213                                 */
5214                                 reset_x_origin_to_follow_playhead ();
5215                         }
5216
5217                 } else {
5218
5219                         /* don't do continuous scroll till the new position is in the rightmost quarter of the
5220                            editor canvas
5221                         */
5222 #if 0
5223                         // FIXME DO SOMETHING THAT WORKS HERE - this is 2.X code
5224                         double target = ((double)frame - (double)current_page_frames()/2.0) / frames_per_unit;
5225                         if (target <= 0.0) {
5226                                 target = 0.0;
5227                         }
5228                         if (fabs(target - current) < current_page_frames() / frames_per_unit) {
5229                                 target = (target * 0.15) + (current * 0.85);
5230                         } else {
5231                                 /* relax */
5232                         }
5233
5234                         current = target;
5235                         set_horizontal_position (current);
5236 #endif
5237                 }
5238
5239         }
5240 }
5241
5242
5243 void
5244 Editor::session_going_away ()
5245 {
5246         _have_idled = false;
5247
5248         _session_connections.drop_connections ();
5249
5250         super_rapid_screen_update_connection.disconnect ();
5251
5252         selection->clear ();
5253         cut_buffer->clear ();
5254
5255         clicked_regionview = 0;
5256         clicked_axisview = 0;
5257         clicked_routeview = 0;
5258         entered_regionview = 0;
5259         entered_track = 0;
5260         last_update_frame = 0;
5261         _drags->abort ();
5262
5263         playhead_cursor->canvas_item.hide ();
5264
5265         /* rip everything out of the list displays */
5266
5267         _regions->clear ();
5268         _routes->clear ();
5269         _route_groups->clear ();
5270
5271         /* do this first so that deleting a track doesn't reset cms to null
5272            and thus cause a leak.
5273         */
5274
5275         if (current_mixer_strip) {
5276                 if (current_mixer_strip->get_parent() != 0) {
5277                         global_hpacker.remove (*current_mixer_strip);
5278                 }
5279                 delete current_mixer_strip;
5280                 current_mixer_strip = 0;
5281         }
5282
5283         /* delete all trackviews */
5284
5285         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5286                 delete *i;
5287         }
5288         track_views.clear ();
5289
5290         zoom_range_clock->set_session (0);
5291         nudge_clock->set_session (0);
5292
5293         editor_list_button.set_active(false);
5294         editor_list_button.set_sensitive(false);
5295
5296         /* clear tempo/meter rulers */
5297         remove_metric_marks ();
5298         hide_measures ();
5299         clear_marker_display ();
5300
5301         stop_step_editing ();
5302
5303         current_bbt_points_begin = current_bbt_points_end;
5304
5305         /* get rid of any existing editor mixer strip */
5306
5307         WindowTitle title(Glib::get_application_name());
5308         title += _("Editor");
5309
5310         set_title (title.get_string());
5311
5312         SessionHandlePtr::session_going_away ();
5313 }
5314
5315
5316 void
5317 Editor::show_editor_list (bool yn)
5318 {
5319         if (yn) {
5320                 _the_notebook.show ();
5321         } else {
5322                 _the_notebook.hide ();
5323         }
5324 }
5325
5326 void
5327 Editor::change_region_layering_order (bool from_context_menu)
5328 {
5329         const framepos_t position = get_preferred_edit_position (false, from_context_menu);
5330
5331         if (!clicked_routeview) {
5332                 if (layering_order_editor) {
5333                         layering_order_editor->hide ();
5334                 }
5335                 return;
5336         }
5337
5338         boost::shared_ptr<Track> track = boost::dynamic_pointer_cast<Track> (clicked_routeview->route());
5339
5340         if (!track) {
5341                 return;
5342         }
5343
5344         boost::shared_ptr<Playlist> pl = track->playlist();
5345
5346         if (!pl) {
5347                 return;
5348         }
5349
5350         if (layering_order_editor == 0) {
5351                 layering_order_editor = new RegionLayeringOrderEditor (*this);
5352                 layering_order_editor->set_position (WIN_POS_MOUSE);
5353         }
5354
5355         layering_order_editor->set_context (clicked_routeview->name(), _session, clicked_routeview, pl, position);
5356         layering_order_editor->maybe_present ();
5357 }
5358
5359 void
5360 Editor::update_region_layering_order_editor ()
5361 {
5362         if (layering_order_editor && layering_order_editor->is_visible ()) {
5363                 change_region_layering_order (true);
5364         }
5365 }
5366
5367 void
5368 Editor::setup_fade_images ()
5369 {
5370         _fade_in_images[FadeLinear] = new Gtk::Image (get_icon_path (X_("fadein-linear")));
5371         _fade_in_images[FadeSymmetric] = new Gtk::Image (get_icon_path (X_("fadein-short-cut")));
5372         _fade_in_images[FadeFast] = new Gtk::Image (get_icon_path (X_("fadein-slow-cut")));
5373         _fade_in_images[FadeSlow] = new Gtk::Image (get_icon_path (X_("fadein-fast-cut")));
5374         _fade_in_images[FadeConstantPower] = new Gtk::Image (get_icon_path (X_("fadein-long-cut")));
5375
5376         _fade_out_images[FadeLinear] = new Gtk::Image (get_icon_path (X_("fadeout-linear")));
5377         _fade_out_images[FadeSymmetric] = new Gtk::Image (get_icon_path (X_("fadeout-short-cut")));
5378         _fade_out_images[FadeFast] = new Gtk::Image (get_icon_path (X_("fadeout-slow-cut")));
5379         _fade_out_images[FadeSlow] = new Gtk::Image (get_icon_path (X_("fadeout-fast-cut")));
5380         _fade_out_images[FadeConstantPower] = new Gtk::Image (get_icon_path (X_("fadeout-long-cut")));
5381
5382         _xfade_in_images[FadeLinear] = new Gtk::Image (get_icon_path (X_("fadeout-linear")));
5383         _xfade_in_images[FadeSymmetric] = new Gtk::Image (get_icon_path (X_("fadeout-short-cut")));
5384         _xfade_in_images[FadeFast] = new Gtk::Image (get_icon_path (X_("fadeout-slow-cut")));
5385         _xfade_in_images[FadeSlow] = new Gtk::Image (get_icon_path (X_("fadeout-fast-cut")));
5386         _xfade_in_images[FadeConstantPower] = new Gtk::Image (get_icon_path (X_("fadeout-long-cut")));
5387
5388         _xfade_out_images[FadeLinear] = new Gtk::Image (get_icon_path (X_("fadeout-linear")));
5389         _xfade_out_images[FadeSymmetric] = new Gtk::Image (get_icon_path (X_("fadeout-short-cut")));
5390         _xfade_out_images[FadeFast] = new Gtk::Image (get_icon_path (X_("fadeout-slow-cut")));
5391         _xfade_out_images[FadeSlow] = new Gtk::Image (get_icon_path (X_("fadeout-fast-cut")));
5392         _xfade_out_images[FadeConstantPower] = new Gtk::Image (get_icon_path (X_("fadeout-long-cut")));
5393
5394 }
5395
5396 /** @return Gtk::manage()d menu item for a given action from `editor_actions' */
5397 Gtk::MenuItem&
5398 Editor::action_menu_item (std::string const & name)
5399 {
5400         Glib::RefPtr<Action> a = editor_actions->get_action (name);
5401         assert (a);
5402
5403         return *manage (a->create_menu_item ());
5404 }
5405
5406 void
5407 Editor::add_notebook_page (string const & name, Gtk::Widget& widget)
5408 {
5409         EventBox* b = manage (new EventBox);
5410         b->signal_button_press_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::notebook_tab_clicked), &widget));
5411         Label* l = manage (new Label (name));
5412         l->set_angle (-90);
5413         b->add (*l);
5414         b->show_all ();
5415         _the_notebook.append_page (widget, *b);
5416 }
5417
5418 bool
5419 Editor::notebook_tab_clicked (GdkEventButton* ev, Gtk::Widget* page)
5420 {
5421         if (ev->type == GDK_BUTTON_PRESS || ev->type == GDK_2BUTTON_PRESS) {
5422                 _the_notebook.set_current_page (_the_notebook.page_num (*page));
5423         }
5424
5425         if (ev->type == GDK_2BUTTON_PRESS) {
5426
5427                 /* double-click on a notebook tab shrinks or expands the notebook */
5428
5429                 if (_notebook_shrunk) {
5430                         if (pre_notebook_shrink_pane_width) {
5431                                 edit_pane.set_position (*pre_notebook_shrink_pane_width);
5432                         }
5433                         _notebook_shrunk = false;
5434                 } else {
5435                         pre_notebook_shrink_pane_width = edit_pane.get_position();
5436
5437                         /* this expands the LHS of the edit pane to cover the notebook
5438                            PAGE but leaves the tabs visible.
5439                          */
5440                         edit_pane.set_position (edit_pane.get_position() + page->get_width());
5441                         _notebook_shrunk = true;
5442                 }
5443         }
5444
5445         return true;
5446 }
5447
5448 void
5449 Editor::popup_control_point_context_menu (ArdourCanvas::Item* item, GdkEvent* event)
5450 {
5451         using namespace Menu_Helpers;
5452
5453         MenuList& items = _control_point_context_menu.items ();
5454         items.clear ();
5455
5456         items.push_back (MenuElem (_("Edit..."), sigc::bind (sigc::mem_fun (*this, &Editor::edit_control_point), item)));
5457         items.push_back (MenuElem (_("Delete"), sigc::bind (sigc::mem_fun (*this, &Editor::remove_control_point), item)));
5458         if (!can_remove_control_point (item)) {
5459                 items.back().set_sensitive (false);
5460         }
5461
5462         _control_point_context_menu.popup (event->button.button, event->button.time);
5463 }
5464
5465 void
5466 Editor::shift_key_released ()
5467 {
5468         _stepping_axis_view = 0;
5469 }