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 "canvas-noevent-text.h"
  84 #include "canvas_impl.h"
  85 #include "crossfade_edit.h"
  86 #include "debug.h"
  87 #include "editing.h"
  88 #include "editor.h"
  89 #include "editor_cursors.h"
  90 #include "editor_drag.h"
  91 #include "editor_group_tabs.h"
  92 #include "editor_locations.h"
  93 #include "editor_regions.h"
  94 #include "editor_route_groups.h"
  95 #include "editor_routes.h"
  96 #include "editor_snapshots.h"
  97 #include "editor_summary.h"
  98 #include "global_port_matrix.h"
  99 #include "gui_object.h"
 100 #include "gui_thread.h"
 101 #include "keyboard.h"
 102 #include "marker.h"
 103 #include "midi_time_axis.h"
 104 #include "mixer_strip.h"
 105 #include "mixer_ui.h"
 106 #include "mouse_cursors.h"
 107 #include "playlist_selector.h"
 108 #include "public_editor.h"
 109 #include "region_layering_order_editor.h"
 110 #include "rgb_macros.h"
 111 #include "rhythm_ferret.h"
 112 #include "selection.h"
 113 #include "sfdb_ui.h"
 114 #include "simpleline.h"
 115 #include "tempo_lines.h"
 116 #include "time_axis_view.h"
 117 #include "utils.h"
 118
 119 #include "i18n.h"
 120
 121 #ifdef WITH_CMT
 122 #include "imageframe_socket_handler.h"
 123 #endif
 124
 125 using namespace std;
 126 using namespace ARDOUR;
 127 using namespace PBD;
 128 using namespace Gtk;
 129 using namespace Glib;
 130 using namespace Gtkmm2ext;
 131 using namespace Editing;
 132
 133 using PBD::internationalize;
 134 using PBD::atoi;
 135 using Gtkmm2ext::Keyboard;
 136
 137 const double Editor::timebar_height = 15.0;
 138
 139 static const gchar *_snap_type_strings[] = {
 140         N_("CD Frames"),
 141         N_("Timecode Frames"),
 142         N_("Timecode Seconds"),
 143         N_("Timecode Minutes"),
 144         N_("Seconds"),
 145         N_("Minutes"),
 146         N_("Beats/128"),
 147         N_("Beats/64"),
 148         N_("Beats/32"),
 149         N_("Beats/28"),
 150         N_("Beats/24"),
 151         N_("Beats/20"),
 152         N_("Beats/16"),
 153         N_("Beats/14"),
 154         N_("Beats/12"),
 155         N_("Beats/10"),
 156         N_("Beats/8"),
 157         N_("Beats/7"),
 158         N_("Beats/6"),
 159         N_("Beats/5"),
 160         N_("Beats/4"),
 161         N_("Beats/3"),
 162         N_("Beats/2"),
 163         N_("Beats"),
 164         N_("Bars"),
 165         N_("Marks"),
 166         N_("Region starts"),
 167         N_("Region ends"),
 168         N_("Region syncs"),
 169         N_("Region bounds"),
 170         0
 171 };
 172
 173 static const gchar *_snap_mode_strings[] = {
 174         N_("No Grid"),
 175         N_("Grid"),
 176         N_("Magnetic"),
 177         0
 178 };
 179
 180 static const gchar *_edit_point_strings[] = {
 181         N_("Playhead"),
 182         N_("Marker"),
 183         N_("Mouse"),
 184         0
 185 };
 186
 187 static const gchar *_zoom_focus_strings[] = {
 188         N_("Left"),
 189         N_("Right"),
 190         N_("Center"),
 191         N_("Playhead"),
 192         N_("Mouse"),
 193         N_("Edit point"),
 194         0
 195 };
 196
 197 #ifdef USE_RUBBERBAND
 198 static const gchar *_rb_opt_strings[] = {
 199         N_("Mushy"),
 200         N_("Smooth"),
 201         N_("Balanced multitimbral mixture"),
 202         N_("Unpitched percussion with stable notes"),
 203         N_("Crisp monophonic instrumental"),
 204         N_("Unpitched solo percussion"),
 205         N_("Resample without preserving pitch"),
 206         0
 207 };
 208 #endif
 209
 210 static void
 211 pane_size_watcher (Paned* pane)
 212 {
 213         /* if the handle of a pane vanishes into (at least) the tabs of a notebook,
 214            it is:
 215
 216               X: hard to access
 217               Quartz: impossible to access
 218
 219            so stop that by preventing it from ever getting too narrow. 35
 220            pixels is basically a rough guess at the tab width.
 221
 222            ugh.
 223         */
 224
 225         int max_width_of_lhs = GTK_WIDGET(pane->gobj())->allocation.width - 35;
 226
 227         gint pos = pane->get_position ();
 228
 229         if (pos > max_width_of_lhs) {
 230                 pane->set_position (max_width_of_lhs);
 231         }
 232 }
 233
 234 Editor::Editor ()
 235         : _join_object_range_state (JOIN_OBJECT_RANGE_NONE)
 236
 237           /* time display buttons */
 238         , minsec_label (_("Mins:Secs"))
 239         , bbt_label (_("Bars:Beats"))
 240         , timecode_label (_("Timecode"))
 241         , samples_label (_("Samples"))
 242         , tempo_label (_("Tempo"))
 243         , meter_label (_("Meter"))
 244         , mark_label (_("Location Markers"))
 245         , range_mark_label (_("Range Markers"))
 246         , transport_mark_label (_("Loop/Punch Ranges"))
 247         , cd_mark_label (_("CD Markers"))
 248         , edit_packer (4, 4, true)
 249
 250           /* the values here don't matter: layout widgets
 251              reset them as needed.
 252           */
 253
 254         , vertical_adjustment (0.0, 0.0, 10.0, 400.0)
 255
 256           /* tool bar related */
 257
 258         , zoom_range_clock (new AudioClock (X_("zoomrange"), false, X_("zoom range"), true, false, true))
 259
 260         , toolbar_selection_clock_table (2,3)
 261
 262         , automation_mode_button (_("mode"))
 263
 264         , _toolbar_viewport (*manage (new Gtk::Adjustment (0, 0, 1e10)), *manage (new Gtk::Adjustment (0, 0, 1e10)))
 265
 266 #ifdef WITH_CMT
 267         , image_socket_listener(0)
 268 #endif
 269
 270           /* nudge */
 271
 272         , nudge_clock (new AudioClock (X_("nudge"), false, X_("nudge"), true, false, true))
 273         , meters_running(false)
 274         , _pending_locate_request (false)
 275         , _pending_initial_locate (false)
 276         , _last_cut_copy_source_track (0)
 277
 278         , _region_selection_change_updates_region_list (true)
 279         , _following_mixer_selection (false)
 280         , _control_point_toggled_on_press (false)
 281         , _stepping_axis_view (0)
 282 {
 283         constructed = false;
 284
 285         /* we are a singleton */
 286
 287         PublicEditor::_instance = this;
 288
 289         _have_idled = false;
 290
 291         selection = new Selection (this);
 292         cut_buffer = new Selection (this);
 293
 294         clicked_regionview = 0;
 295         clicked_axisview = 0;
 296         clicked_routeview = 0;
 297         clicked_control_point = 0;
 298         last_update_frame = 0;
 299         pre_press_cursor = 0;
 300         _drags = new DragManager (this);
 301         current_mixer_strip = 0;
 302         tempo_lines = 0;
 303
 304         snap_type_strings =  I18N (_snap_type_strings);
 305         snap_mode_strings =  I18N (_snap_mode_strings);
 306         zoom_focus_strings = I18N (_zoom_focus_strings);
 307         edit_point_strings = I18N (_edit_point_strings);
 308 #ifdef USE_RUBBERBAND
 309         rb_opt_strings = I18N (_rb_opt_strings);
 310         rb_current_opt = 4;
 311 #endif
 312
 313         snap_threshold = 5.0;
 314         bbt_beat_subdivision = 4;
 315         _canvas_width = 0;
 316         _canvas_height = 0;
 317         last_autoscroll_x = 0;
 318         last_autoscroll_y = 0;
 319         autoscroll_active = false;
 320         autoscroll_timeout_tag = -1;
 321         logo_item = 0;
 322
 323         analysis_window = 0;
 324
 325         current_interthread_info = 0;
 326         _show_measures = true;
 327         _maximised = false;
 328         show_gain_after_trim = false;
 329
 330         have_pending_keyboard_selection = false;
 331         _follow_playhead = true;
 332         _stationary_playhead = false;
 333         editor_ruler_menu = 0;
 334         no_ruler_shown_update = false;
 335         marker_menu = 0;
 336         range_marker_menu = 0;
 337         marker_menu_item = 0;
 338         tempo_or_meter_marker_menu = 0;
 339         transport_marker_menu = 0;
 340         new_transport_marker_menu = 0;
 341         editor_mixer_strip_width = Wide;
 342         show_editor_mixer_when_tracks_arrive = false;
 343         region_edit_menu_split_multichannel_item = 0;
 344         region_edit_menu_split_item = 0;
 345         temp_location = 0;
 346         leftmost_frame = 0;
 347         current_stepping_trackview = 0;
 348         entered_track = 0;
 349         entered_regionview = 0;
 350         entered_marker = 0;
 351         clear_entered_track = false;
 352         current_timefx = 0;
 353         playhead_cursor = 0;
 354         button_release_can_deselect = true;
 355         _dragging_playhead = false;
 356         _dragging_edit_point = false;
 357         select_new_marker = false;
 358         rhythm_ferret = 0;
 359         layering_order_editor = 0;
 360         no_save_visual = false;
 361         resize_idle_id = -1;
 362         within_track_canvas = false;
 363
 364         scrubbing_direction = 0;
 365
 366         sfbrowser = 0;
 367
 368         location_marker_color = ARDOUR_UI::config()->canvasvar_LocationMarker.get();
 369         location_range_color = ARDOUR_UI::config()->canvasvar_LocationRange.get();
 370         location_cd_marker_color = ARDOUR_UI::config()->canvasvar_LocationCDMarker.get();
 371         location_loop_color = ARDOUR_UI::config()->canvasvar_LocationLoop.get();
 372         location_punch_color = ARDOUR_UI::config()->canvasvar_LocationPunch.get();
 373
 374         _edit_point = EditAtMouse;
 375         _internal_editing = false;
 376         current_canvas_cursor = 0;
 377
 378         frames_per_unit = 2048; /* too early to use reset_zoom () */
 379
 380         _scroll_callbacks = 0;
 381
 382         zoom_focus = ZoomFocusLeft;
 383         set_zoom_focus (ZoomFocusLeft);
 384         zoom_range_clock->ValueChanged.connect (sigc::mem_fun(*this, &Editor::zoom_adjustment_changed));
 385
 386         bbt_label.set_name ("EditorTimeButton");
 387         bbt_label.set_size_request (-1, (int)timebar_height);
 388         bbt_label.set_alignment (1.0, 0.5);
 389         bbt_label.set_padding (5,0);
 390         bbt_label.hide ();
 391         bbt_label.set_no_show_all();
 392         minsec_label.set_name ("EditorTimeButton");
 393         minsec_label.set_size_request (-1, (int)timebar_height);
 394         minsec_label.set_alignment (1.0, 0.5);
 395         minsec_label.set_padding (5,0);
 396         minsec_label.hide ();
 397         minsec_label.set_no_show_all();
 398         timecode_label.set_name ("EditorTimeButton");
 399         timecode_label.set_size_request (-1, (int)timebar_height);
 400         timecode_label.set_alignment (1.0, 0.5);
 401         timecode_label.set_padding (5,0);
 402         timecode_label.hide ();
 403         timecode_label.set_no_show_all();
 404         samples_label.set_name ("EditorTimeButton");
 405         samples_label.set_size_request (-1, (int)timebar_height);
 406         samples_label.set_alignment (1.0, 0.5);
 407         samples_label.set_padding (5,0);
 408         samples_label.hide ();
 409         samples_label.set_no_show_all();
 410
 411         tempo_label.set_name ("EditorTimeButton");
 412         tempo_label.set_size_request (-1, (int)timebar_height);
 413         tempo_label.set_alignment (1.0, 0.5);
 414         tempo_label.set_padding (5,0);
 415         tempo_label.hide();
 416         tempo_label.set_no_show_all();
 417
 418         meter_label.set_name ("EditorTimeButton");
 419         meter_label.set_size_request (-1, (int)timebar_height);
 420         meter_label.set_alignment (1.0, 0.5);
 421         meter_label.set_padding (5,0);
 422         meter_label.hide();
 423         meter_label.set_no_show_all();
 424
 425         mark_label.set_name ("EditorTimeButton");
 426         mark_label.set_size_request (-1, (int)timebar_height);
 427         mark_label.set_alignment (1.0, 0.5);
 428         mark_label.set_padding (5,0);
 429         mark_label.hide();
 430         mark_label.set_no_show_all();
 431
 432         cd_mark_label.set_name ("EditorTimeButton");
 433         cd_mark_label.set_size_request (-1, (int)timebar_height);
 434         cd_mark_label.set_alignment (1.0, 0.5);
 435         cd_mark_label.set_padding (5,0);
 436         cd_mark_label.hide();
 437         cd_mark_label.set_no_show_all();
 438
 439         range_mark_label.set_name ("EditorTimeButton");
 440         range_mark_label.set_size_request (-1, (int)timebar_height);
 441         range_mark_label.set_alignment (1.0, 0.5);
 442         range_mark_label.set_padding (5,0);
 443         range_mark_label.hide();
 444         range_mark_label.set_no_show_all();
 445
 446         transport_mark_label.set_name ("EditorTimeButton");
 447         transport_mark_label.set_size_request (-1, (int)timebar_height);
 448         transport_mark_label.set_alignment (1.0, 0.5);
 449         transport_mark_label.set_padding (5,0);
 450         transport_mark_label.hide();
 451         transport_mark_label.set_no_show_all();
 452
 453         initialize_rulers ();
 454         initialize_canvas ();
 455
 456         _summary = new EditorSummary (this);
 457
 458         selection->TimeChanged.connect (sigc::mem_fun(*this, &Editor::time_selection_changed));
 459         selection->TracksChanged.connect (sigc::mem_fun(*this, &Editor::track_selection_changed));
 460
 461         editor_regions_selection_changed_connection = selection->RegionsChanged.connect (sigc::mem_fun(*this, &Editor::region_selection_changed));
 462
 463         selection->PointsChanged.connect (sigc::mem_fun(*this, &Editor::point_selection_changed));
 464         selection->MarkersChanged.connect (sigc::mem_fun(*this, &Editor::marker_selection_changed));
 465
 466         edit_controls_vbox.set_spacing (0);
 467         vertical_adjustment.signal_value_changed().connect (sigc::mem_fun(*this, &Editor::tie_vertical_scrolling), true);
 468         track_canvas->signal_map_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_map_handler));
 469
 470         HBox* h = manage (new HBox);
 471         _group_tabs = new EditorGroupTabs (this);
 472         h->pack_start (*_group_tabs, PACK_SHRINK);
 473         h->pack_start (edit_controls_vbox);
 474         controls_layout.add (*h);
 475
 476         controls_layout.set_name ("EditControlsBase");
 477         controls_layout.add_events (Gdk::SCROLL_MASK);
 478         controls_layout.signal_scroll_event().connect (sigc::mem_fun(*this, &Editor::control_layout_scroll), false);
 479
 480         controls_layout.add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK);
 481         controls_layout.signal_button_release_event().connect (sigc::mem_fun(*this, &Editor::edit_controls_button_release));
 482
 483         _cursors = new MouseCursors;
 484
 485         ArdourCanvas::Canvas* time_pad = manage(new ArdourCanvas::Canvas());
 486         ArdourCanvas::SimpleLine* pad_line_1 = manage(new ArdourCanvas::SimpleLine(*time_pad->root(),
 487                         0.0, 1.0, 100.0, 1.0));
 488
 489         pad_line_1->property_color_rgba() = 0xFF0000FF;
 490         pad_line_1->show();
 491
 492         time_pad->show();
 493
 494         time_canvas_vbox.set_size_request (-1, (int)(timebar_height * visible_timebars) + 2);
 495         time_canvas_vbox.set_size_request (-1, -1);
 496
 497         ruler_label_event_box.add (ruler_label_vbox);
 498         ruler_label_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 499         ruler_label_event_box.signal_button_release_event().connect (sigc::mem_fun(*this, &Editor::ruler_label_button_release));
 500
 501         time_button_event_box.add (time_button_vbox);
 502         time_button_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 503         time_button_event_box.signal_button_release_event().connect (sigc::mem_fun(*this, &Editor::ruler_label_button_release));
 504
 505         /* these enable us to have a dedicated window (for cursor setting, etc.)
 506            for the canvas areas.
 507         */
 508
 509         track_canvas_event_box.add (*track_canvas);
 510
 511         time_canvas_event_box.add (time_canvas_vbox);
 512         time_canvas_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::POINTER_MOTION_MASK);
 513
 514         edit_packer.set_col_spacings (0);
 515         edit_packer.set_row_spacings (0);
 516         edit_packer.set_homogeneous (false);
 517         edit_packer.set_border_width (0);
 518         edit_packer.set_name ("EditorWindow");
 519
 520         /* labels for the rulers */
 521         edit_packer.attach (ruler_label_event_box,   1, 2, 0, 1,    FILL,        SHRINK, 0, 0);
 522         /* labels for the marker "tracks" */
 523         edit_packer.attach (time_button_event_box,   1, 2, 1, 2,    FILL,        SHRINK, 0, 0);
 524         /* the rulers */
 525         edit_packer.attach (time_canvas_event_box,   2, 3, 0, 1,    FILL|EXPAND, FILL, 0, 0);
 526         /* track controls */
 527         edit_packer.attach (controls_layout,         0, 2, 2, 3,    FILL,        FILL|EXPAND, 0, 0);
 528         /* main canvas */
 529         edit_packer.attach (track_canvas_event_box,  2, 3, 1, 3,    FILL|EXPAND, FILL|EXPAND, 0, 0);
 530
 531         bottom_hbox.set_border_width (2);
 532         bottom_hbox.set_spacing (3);
 533
 534         _route_groups = new EditorRouteGroups (this);
 535         _routes = new EditorRoutes (this);
 536         _regions = new EditorRegions (this);
 537         _snapshots = new EditorSnapshots (this);
 538         _locations = new EditorLocations (this);
 539
 540         add_notebook_page (_("Regions"), _regions->widget ());
 541         add_notebook_page (_("Tracks & Busses"), _routes->widget ());
 542         add_notebook_page (_("Snapshots"), _snapshots->widget ());
 543         add_notebook_page (_("Track & Bus Groups"), _route_groups->widget ());
 544         add_notebook_page (_("Ranges & Marks"), _locations->widget ());
 545
 546         _the_notebook.set_show_tabs (true);
 547         _the_notebook.set_scrollable (true);
 548         _the_notebook.popup_disable ();
 549         _the_notebook.set_tab_pos (Gtk::POS_RIGHT);
 550         _the_notebook.show_all ();
 551
 552         _notebook_shrunk = false;
 553
 554         editor_summary_pane.pack1(edit_packer);
 555
 556         Button* summary_arrows_left_left = manage (new Button);
 557         summary_arrows_left_left->add (*manage (new Arrow (ARROW_LEFT, SHADOW_NONE)));
 558         summary_arrows_left_left->signal_pressed().connect (sigc::hide_return (sigc::bind (sigc::mem_fun (*this, &Editor::scroll_press), LEFT)));
 559         summary_arrows_left_left->signal_released().connect (sigc::mem_fun (*this, &Editor::scroll_release));
 560
 561         Button* summary_arrows_left_right = manage (new Button);
 562         summary_arrows_left_right->add (*manage (new Arrow (ARROW_RIGHT, SHADOW_NONE)));
 563         summary_arrows_left_right->signal_pressed().connect (sigc::hide_return (sigc::bind (sigc::mem_fun (*this, &Editor::scroll_press), RIGHT)));
 564         summary_arrows_left_right->signal_released().connect (sigc::mem_fun (*this, &Editor::scroll_release));
 565
 566         VBox* summary_arrows_left = manage (new VBox);
 567         summary_arrows_left->pack_start (*summary_arrows_left_left);
 568         summary_arrows_left->pack_start (*summary_arrows_left_right);
 569
 570         Button* summary_arrows_right_up = manage (new Button);
 571         summary_arrows_right_up->add (*manage (new Arrow (ARROW_UP, SHADOW_NONE)));
 572         summary_arrows_right_up->signal_pressed().connect (sigc::hide_return (sigc::bind (sigc::mem_fun (*this, &Editor::scroll_press), UP)));
 573         summary_arrows_right_up->signal_released().connect (sigc::mem_fun (*this, &Editor::scroll_release));
 574
 575         Button* summary_arrows_right_down = manage (new Button);
 576         summary_arrows_right_down->add (*manage (new Arrow (ARROW_DOWN, SHADOW_NONE)));
 577         summary_arrows_right_down->signal_pressed().connect (sigc::hide_return (sigc::bind (sigc::mem_fun (*this, &Editor::scroll_press), DOWN)));
 578         summary_arrows_right_down->signal_released().connect (sigc::mem_fun (*this, &Editor::scroll_release));
 579
 580         VBox* summary_arrows_right = manage (new VBox);
 581         summary_arrows_right->pack_start (*summary_arrows_right_up);
 582         summary_arrows_right->pack_start (*summary_arrows_right_down);
 583
 584         Frame* summary_frame = manage (new Frame);
 585         summary_frame->set_shadow_type (Gtk::SHADOW_ETCHED_IN);
 586
 587         summary_frame->add (*_summary);
 588         summary_frame->show ();
 589
 590         _summary_hbox.pack_start (*summary_arrows_left, false, false);
 591         _summary_hbox.pack_start (*summary_frame, true, true);
 592         _summary_hbox.pack_start (*summary_arrows_right, false, false);
 593
 594         editor_summary_pane.pack2 (_summary_hbox);
 595
 596         edit_pane.pack1 (editor_summary_pane, true, true);
 597         edit_pane.pack2 (_the_notebook, false, true);
 598
 599         editor_summary_pane.signal_size_allocate().connect (sigc::bind (sigc::mem_fun (*this, &Editor::pane_allocation_handler), static_cast<Paned*> (&editor_summary_pane)));
 600
 601         /* XXX: editor_summary_pane might need similar to the edit_pane */
 602
 603         edit_pane.signal_size_allocate().connect (sigc::bind (sigc::mem_fun(*this, &Editor::pane_allocation_handler), static_cast<Paned*> (&edit_pane)));
 604
 605         Glib::PropertyProxy<int> proxy = edit_pane.property_position();
 606         proxy.signal_changed().connect (bind (sigc::ptr_fun (pane_size_watcher), static_cast<Paned*> (&edit_pane)));
 607
 608         top_hbox.pack_start (toolbar_frame);
 609
 610         HBox *hbox = manage (new HBox);
 611         hbox->pack_start (edit_pane, true, true);
 612
 613         global_vpacker.pack_start (top_hbox, false, false);
 614         global_vpacker.pack_start (*hbox, true, true);
 615
 616         global_hpacker.pack_start (global_vpacker, true, true);
 617
 618         set_name ("EditorWindow");
 619         add_accel_group (ActionManager::ui_manager->get_accel_group());
 620
 621         status_bar_hpacker.show ();
 622
 623         vpacker.pack_end (status_bar_hpacker, false, false);
 624         vpacker.pack_end (global_hpacker, true, true);
 625
 626         /* register actions now so that set_state() can find them and set toggles/checks etc */
 627
 628         register_actions ();
 629         /* when we start using our own keybinding system for the editor, this
 630          * will be uncommented
 631          */
 632         // load_bindings ();
 633
 634         setup_toolbar ();
 635
 636         _snap_type = SnapToBeat;
 637         set_snap_to (_snap_type);
 638         _snap_mode = SnapOff;
 639         set_snap_mode (_snap_mode);
 640         set_mouse_mode (MouseObject, true);
 641         pre_internal_mouse_mode = MouseObject;
 642         pre_internal_snap_type = _snap_type;
 643         pre_internal_snap_mode = _snap_mode;
 644         internal_snap_type = _snap_type;
 645         internal_snap_mode = _snap_mode;
 646         set_edit_point_preference (EditAtMouse, true);
 647
 648         _playlist_selector = new PlaylistSelector();
 649         _playlist_selector->signal_delete_event().connect (sigc::bind (sigc::ptr_fun (just_hide_it), static_cast<Window *> (_playlist_selector)));
 650
 651         RegionView::RegionViewGoingAway.connect (*this, invalidator (*this),  boost::bind (&Editor::catch_vanishing_regionview, this, _1), gui_context());
 652
 653         /* nudge stuff */
 654
 655         nudge_forward_button.add (*(manage (new Image (::get_icon("nudge_right")))));
 656         nudge_backward_button.add (*(manage (new Image (::get_icon("nudge_left")))));
 657
 658         nudge_forward_button.set_name ("TransportButton");
 659         nudge_backward_button.set_name ("TransportButton");
 660
 661         fade_context_menu.set_name ("ArdourContextMenu");
 662
 663         /* icons, titles, WM stuff */
 664
 665         list<Glib::RefPtr<Gdk::Pixbuf> > window_icons;
 666         Glib::RefPtr<Gdk::Pixbuf> icon;
 667
 668         if ((icon = ::get_icon ("ardour_icon_16px")) != 0) {
 669                 window_icons.push_back (icon);
 670         }
 671         if ((icon = ::get_icon ("ardour_icon_22px")) != 0) {
 672                 window_icons.push_back (icon);
 673         }
 674         if ((icon = ::get_icon ("ardour_icon_32px")) != 0) {
 675                 window_icons.push_back (icon);
 676         }
 677         if ((icon = ::get_icon ("ardour_icon_48px")) != 0) {
 678                 window_icons.push_back (icon);
 679         }
 680         if (!window_icons.empty()) {
 681                 // set_icon_list (window_icons);
 682                 set_default_icon_list (window_icons);
 683         }
 684
 685         WindowTitle title(Glib::get_application_name());
 686         title += _("Editor");
 687         set_title (title.get_string());
 688         set_wmclass (X_("ardour_editor"), PROGRAM_NAME);
 689
 690         add (vpacker);
 691         add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK);
 692
 693         signal_configure_event().connect (sigc::mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::configure_handler));
 694         signal_delete_event().connect (sigc::mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::exit_on_main_window_close));
 695
 696         Gtkmm2ext::Keyboard::the_keyboard().ShiftReleased.connect (sigc::mem_fun (*this, &Editor::shift_key_released));
 697
 698         /* allow external control surfaces/protocols to do various things */
 699
 700         ControlProtocol::ZoomToSession.connect (*this, invalidator (*this), boost::bind (&Editor::temporal_zoom_session, this), gui_context());
 701         ControlProtocol::ZoomIn.connect (*this, invalidator (*this), boost::bind (&Editor::temporal_zoom_step, this, false), gui_context());
 702         ControlProtocol::ZoomOut.connect (*this, invalidator (*this), boost::bind (&Editor::temporal_zoom_step, this, true), gui_context());
 703         ControlProtocol::Undo.connect (*this, invalidator (*this), boost::bind (&Editor::undo, this, true), gui_context());
 704         ControlProtocol::Redo.connect (*this, invalidator (*this), boost::bind (&Editor::redo, this, true), gui_context());
 705         ControlProtocol::ScrollTimeline.connect (*this, invalidator (*this), boost::bind (&Editor::control_scroll, this, _1), gui_context());
 706         ControlProtocol::StepTracksUp.connect (*this, invalidator (*this), boost::bind (&Editor::control_step_tracks_up, this), gui_context());
 707         ControlProtocol::StepTracksDown.connect (*this, invalidator (*this), boost::bind (&Editor::control_step_tracks_down, this), gui_context());
 708         ControlProtocol::GotoView.connect (*this, invalidator (*this), boost::bind (&Editor::control_view, this, _1), gui_context());
 709         ControlProtocol::CloseDialog.connect (*this, invalidator (*this), Keyboard::close_current_dialog, gui_context());
 710         ControlProtocol::VerticalZoomInAll.connect (*this, invalidator (*this), boost::bind (&Editor::control_vertical_zoom_in_all, this), gui_context());
 711         ControlProtocol::VerticalZoomOutAll.connect (*this, invalidator (*this), boost::bind (&Editor::control_vertical_zoom_out_all, this), gui_context());
 712         ControlProtocol::VerticalZoomInSelected.connect (*this, invalidator (*this), boost::bind (&Editor::control_vertical_zoom_in_selected, this), gui_context());
 713         ControlProtocol::VerticalZoomOutSelected.connect (*this, invalidator (*this), boost::bind (&Editor::control_vertical_zoom_out_selected, this), gui_context());
 714
 715         ControlProtocol::AddRouteToSelection.connect (*this, invalidator (*this), boost::bind (&Editor::control_select, this, _1, Selection::Add), gui_context());
 716         ControlProtocol::RemoveRouteFromSelection.connect (*this, invalidator (*this), boost::bind (&Editor::control_select, this, _1, Selection::Toggle), gui_context());
 717         ControlProtocol::SetRouteSelection.connect (*this, invalidator (*this), boost::bind (&Editor::control_select, this, _1, Selection::Set), gui_context());
 718         ControlProtocol::ToggleRouteSelection.connect (*this, invalidator (*this), boost::bind (&Editor::control_select, this, _1, Selection::Toggle), gui_context());
 719         ControlProtocol::ClearRouteSelection.connect (*this, invalidator (*this), boost::bind (&Editor::control_unselect, this), gui_context());
 720
 721         BasicUI::AccessAction.connect (*this, invalidator (*this), boost::bind (&Editor::access_action, this, _1, _2), gui_context());
 722
 723         /* problematic: has to return a value and thus cannot be x-thread */
 724
 725         Session::AskAboutPlaylistDeletion.connect_same_thread (*this, boost::bind (&Editor::playlist_deletion_dialog, this, _1));
 726
 727         Config->ParameterChanged.connect (*this, invalidator (*this), boost::bind (&Editor::parameter_changed, this, _1), gui_context());
 728
 729         TimeAxisView::CatchDeletion.connect (*this, invalidator (*this), boost::bind (&Editor::timeaxisview_deleted, this, _1), gui_context());
 730
 731         _ignore_region_action = false;
 732         _last_region_menu_was_main = false;
 733         _popup_region_menu_item = 0;
 734
 735         _show_marker_lines = false;
 736         _over_region_trim_target = false;
 737
 738         /* Button bindings */
 739
 740         button_bindings = new Bindings;
 741
 742         XMLNode* node = button_settings();
 743         if (node) {
 744                 for (XMLNodeList::const_iterator i = node->children().begin(); i != node->children().end(); ++i) {
 745                         button_bindings->load (**i);
 746                 }
 747         }
 748
 749         constructed = true;
 750         instant_save ();
 751
 752         setup_fade_images ();
 753 }
 754
 755 Editor::~Editor()
 756 {
 757 #ifdef WITH_CMT
 758         if(image_socket_listener) {
 759                 if(image_socket_listener->is_connected())
 760                 {
 761                         image_socket_listener->close_connection() ;
 762                 }
 763
 764                 delete image_socket_listener ;
 765                 image_socket_listener = 0 ;
 766         }
 767 #endif
 768
 769         delete button_bindings;
 770         delete _routes;
 771         delete _route_groups;
 772         delete track_canvas;
 773         delete _drags;
 774 }
 775
 776 XMLNode*
 777 Editor::button_settings () const
 778 {
 779         XMLNode* settings = ARDOUR_UI::instance()->editor_settings();
 780         XMLNode* node = find_named_node (*settings, X_("Buttons"));
 781
 782         if (!node) {
 783                 node = new XMLNode (X_("Buttons"));
 784         }
 785
 786         return node;
 787 }
 788
 789 void
 790 Editor::add_toplevel_controls (Container& cont)
 791 {
 792         vpacker.pack_start (cont, false, false);
 793         cont.show_all ();
 794 }
 795
 796 bool
 797 Editor::get_smart_mode () const
 798 {
 799         return ( (current_mouse_mode() == Editing::MouseObject) && smart_mode_action->get_active() );
 800 }
 801
 802 void
 803 Editor::catch_vanishing_regionview (RegionView *rv)
 804 {
 805         /* note: the selection will take care of the vanishing
 806            audioregionview by itself.
 807         */
 808
 809         if (_drags->active() && _drags->have_item (rv->get_canvas_group()) && !_drags->ending()) {
 810                 _drags->abort ();
 811         }
 812
 813         if (clicked_regionview == rv) {
 814                 clicked_regionview = 0;
 815         }
 816
 817         if (entered_regionview == rv) {
 818                 set_entered_regionview (0);
 819         }
 820
 821         if (!_all_region_actions_sensitized) {
 822                 sensitize_all_region_actions (true);
 823         }
 824
 825         _over_region_trim_target = false;
 826 }
 827
 828 void
 829 Editor::set_entered_regionview (RegionView* rv)
 830 {
 831         if (rv == entered_regionview) {
 832                 return;
 833         }
 834
 835         if (entered_regionview) {
 836                 entered_regionview->exited ();
 837         }
 838
 839         if ((entered_regionview = rv) != 0) {
 840                 entered_regionview->entered (internal_editing ());
 841         }
 842
 843         if (!_all_region_actions_sensitized && _last_region_menu_was_main) {
 844                 /* This RegionView entry might have changed what region actions
 845                    are allowed, so sensitize them all in case a key is pressed.
 846                 */
 847                 sensitize_all_region_actions (true);
 848         }
 849 }
 850
 851 void
 852 Editor::set_entered_track (TimeAxisView* tav)
 853 {
 854         if (entered_track) {
 855                 entered_track->exited ();
 856         }
 857
 858         if ((entered_track = tav) != 0) {
 859                 entered_track->entered ();
 860         }
 861 }
 862
 863 void
 864 Editor::show_window ()
 865 {
 866         if (!is_visible ()) {
 867                 show_all ();
 868
 869                 /* XXX: this is a bit unfortunate; it would probably
 870                    be nicer if we could just call show () above rather
 871                    than needing the show_all ()
 872                 */
 873
 874                 /* re-hide stuff if necessary */
 875                 editor_list_button_toggled ();
 876                 parameter_changed ("show-summary");
 877                 parameter_changed ("show-group-tabs");
 878                 parameter_changed ("show-zoom-tools");
 879
 880                 /* now reset all audio_time_axis heights, because widgets might need
 881                    to be re-hidden
 882                 */
 883
 884                 TimeAxisView *tv;
 885
 886                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
 887                         tv = (static_cast<TimeAxisView*>(*i));
 888                         tv->reset_height ();
 889                 }
 890
 891                 if (current_mixer_strip) {
 892                         current_mixer_strip->hide_things ();
 893                         current_mixer_strip->parameter_changed ("mixer-strip-visibility");
 894                 }
 895         }
 896
 897         present ();
 898 }
 899
 900 void
 901 Editor::instant_save ()
 902 {
 903         if (!constructed || !ARDOUR_UI::instance()->session_loaded) {
 904                 return;
 905         }
 906
 907         if (_session) {
 908                 _session->add_instant_xml(get_state());
 909         } else {
 910                 Config->add_instant_xml(get_state());
 911         }
 912 }
 913
 914 void
 915 Editor::zoom_adjustment_changed ()
 916 {
 917         if (_session == 0) {
 918                 return;
 919         }
 920
 921         double fpu = zoom_range_clock->current_duration() / _canvas_width;
 922         bool clamped = clamp_frames_per_unit (fpu);
 923
 924         if (clamped) {
 925                 zoom_range_clock->set ((framepos_t) floor (fpu * _canvas_width));
 926         }
 927
 928         temporal_zoom (fpu);
 929 }
 930
 931 void
 932 Editor::control_vertical_zoom_in_all ()
 933 {
 934         tav_zoom_smooth (false, true);
 935 }
 936
 937 void
 938 Editor::control_vertical_zoom_out_all ()
 939 {
 940         tav_zoom_smooth (true, true);
 941 }
 942
 943 void
 944 Editor::control_vertical_zoom_in_selected ()
 945 {
 946         tav_zoom_smooth (false, false);
 947 }
 948
 949 void
 950 Editor::control_vertical_zoom_out_selected ()
 951 {
 952         tav_zoom_smooth (true, false);
 953 }
 954
 955 void
 956 Editor::control_view (uint32_t view)
 957 {
 958         goto_visual_state (view);
 959 }
 960
 961 void
 962 Editor::control_unselect ()
 963 {
 964         selection->clear_tracks ();
 965 }
 966
 967 void
 968 Editor::control_select (uint32_t rid, Selection::Operation op)
 969 {
 970         /* handles the (static) signal from the ControlProtocol class that
 971          * requests setting the selected track to a given RID
 972          */
 973
 974         if (!_session) {
 975                 return;
 976         }
 977
 978         boost::shared_ptr<Route> r = _session->route_by_remote_id (rid);
 979
 980         if (!r) {
 981                 return;
 982         }
 983
 984         TimeAxisView* tav = axis_view_from_route (r);
 985
 986         if (tav) {
 987                 switch (op) {
 988                 case Selection::Add:
 989                         selection->add (tav);
 990                         break;
 991                 case Selection::Toggle:
 992                         selection->toggle (tav);
 993                         break;
 994                 case Selection::Extend:
 995                         break;
 996                 case Selection::Set:
 997                         selection->set (tav);
 998                         break;
 999                 }
1000         } else {
1001                 selection->clear_tracks ();
1002         }
1003 }
1004
1005 void
1006 Editor::control_step_tracks_up ()
1007 {
1008         scroll_tracks_up_line ();
1009 }
1010
1011 void
1012 Editor::control_step_tracks_down ()
1013 {
1014         scroll_tracks_down_line ();
1015 }
1016
1017 void
1018 Editor::control_scroll (float fraction)
1019 {
1020         ENSURE_GUI_THREAD (*this, &Editor::control_scroll, fraction)
1021
1022         if (!_session) {
1023                 return;
1024         }
1025
1026         double step = fraction * current_page_frames();
1027
1028         /*
1029                 _control_scroll_target is an optional<T>
1030
1031                 it acts like a pointer to an framepos_t, with
1032                 a operator conversion to boolean to check
1033                 that it has a value could possibly use
1034                 playhead_cursor->current_frame to store the
1035                 value and a boolean in the class to know
1036                 when it's out of date
1037         */
1038
1039         if (!_control_scroll_target) {
1040                 _control_scroll_target = _session->transport_frame();
1041                 _dragging_playhead = true;
1042         }
1043
1044         if ((fraction < 0.0f) && (*_control_scroll_target < (framepos_t) fabs(step))) {
1045                 *_control_scroll_target = 0;
1046         } else if ((fraction > 0.0f) && (max_framepos - *_control_scroll_target < step)) {
1047                 *_control_scroll_target = max_framepos - (current_page_frames()*2); // allow room for slop in where the PH is on the screen
1048         } else {
1049                 *_control_scroll_target += (framepos_t) floor (step);
1050         }
1051
1052         /* move visuals, we'll catch up with it later */
1053
1054         playhead_cursor->set_position (*_control_scroll_target);
1055         UpdateAllTransportClocks (*_control_scroll_target);
1056
1057         if (*_control_scroll_target > (current_page_frames() / 2)) {
1058                 /* try to center PH in window */
1059                 reset_x_origin (*_control_scroll_target - (current_page_frames()/2));
1060         } else {
1061                 reset_x_origin (0);
1062         }
1063
1064         /*
1065                 Now we do a timeout to actually bring the session to the right place
1066                 according to the playhead. This is to avoid reading disk buffers on every
1067                 call to control_scroll, which is driven by ScrollTimeline and therefore
1068                 probably by a control surface wheel which can generate lots of events.
1069         */
1070         /* cancel the existing timeout */
1071
1072         control_scroll_connection.disconnect ();
1073
1074         /* add the next timeout */
1075
1076         control_scroll_connection = Glib::signal_timeout().connect (sigc::bind (sigc::mem_fun (*this, &Editor::deferred_control_scroll), *_control_scroll_target), 250);
1077 }
1078
1079 bool
1080 Editor::deferred_control_scroll (framepos_t /*target*/)
1081 {
1082         _session->request_locate (*_control_scroll_target, _session->transport_rolling());
1083         // reset for next stream
1084         _control_scroll_target = boost::none;
1085         _dragging_playhead = false;
1086         return false;
1087 }
1088
1089 void
1090 Editor::access_action (std::string action_group, std::string action_item)
1091 {
1092         if (!_session) {
1093                 return;
1094         }
1095
1096         ENSURE_GUI_THREAD (*this, &Editor::access_action, action_group, action_item)
1097
1098         RefPtr<Action> act;
1099         act = ActionManager::get_action( action_group.c_str(), action_item.c_str() );
1100
1101         if (act) {
1102                 act->activate();
1103         }
1104 }
1105
1106 void
1107 Editor::on_realize ()
1108 {
1109         Window::on_realize ();
1110         Realized ();
1111 }
1112
1113 void
1114 Editor::map_position_change (framepos_t frame)
1115 {
1116         ENSURE_GUI_THREAD (*this, &Editor::map_position_change, frame)
1117
1118         if (_session == 0) {
1119                 return;
1120         }
1121
1122         if (_follow_playhead) {
1123                 center_screen (frame);
1124         }
1125
1126         playhead_cursor->set_position (frame);
1127 }
1128
1129 void
1130 Editor::center_screen (framepos_t frame)
1131 {
1132         double page = _canvas_width * frames_per_unit;
1133
1134         /* if we're off the page, then scroll.
1135          */
1136
1137         if (frame < leftmost_frame || frame >= leftmost_frame + page) {
1138                 center_screen_internal (frame, page);
1139         }
1140 }
1141
1142 void
1143 Editor::center_screen_internal (framepos_t frame, float page)
1144 {
1145         page /= 2;
1146
1147         if (frame > page) {
1148                 frame -= (framepos_t) page;
1149         } else {
1150                 frame = 0;
1151         }
1152
1153         reset_x_origin (frame);
1154 }
1155
1156
1157 void
1158 Editor::update_title ()
1159 {
1160         ENSURE_GUI_THREAD (*this, &Editor::update_title)
1161
1162         if (_session) {
1163                 bool dirty = _session->dirty();
1164
1165                 string session_name;
1166
1167                 if (_session->snap_name() != _session->name()) {
1168                         session_name = _session->snap_name();
1169                 } else {
1170                         session_name = _session->name();
1171                 }
1172
1173                 if (dirty) {
1174                         session_name = "*" + session_name;
1175                 }
1176
1177                 WindowTitle title(session_name);
1178                 title += Glib::get_application_name();
1179                 set_title (title.get_string());
1180         } else {
1181                 /* ::session_going_away() will have taken care of it */
1182         }
1183 }
1184
1185 void
1186 Editor::set_session (Session *t)
1187 {
1188         SessionHandlePtr::set_session (t);
1189
1190         if (!_session) {
1191                 return;
1192         }
1193
1194         zoom_range_clock->set_session (_session);
1195         _playlist_selector->set_session (_session);
1196         nudge_clock->set_session (_session);
1197         _summary->set_session (_session);
1198         _group_tabs->set_session (_session);
1199         _route_groups->set_session (_session);
1200         _regions->set_session (_session);
1201         _snapshots->set_session (_session);
1202         _routes->set_session (_session);
1203         _locations->set_session (_session);
1204
1205         if (rhythm_ferret) {
1206                 rhythm_ferret->set_session (_session);
1207         }
1208
1209         if (analysis_window) {
1210                 analysis_window->set_session (_session);
1211         }
1212
1213         if (sfbrowser) {
1214                 sfbrowser->set_session (_session);
1215         }
1216
1217         compute_fixed_ruler_scale ();
1218
1219         /* Make sure we have auto loop and auto punch ranges */
1220
1221         Location* loc = _session->locations()->auto_loop_location();
1222         if (loc == 0) {
1223                 loc = new Location (*_session, 0, _session->current_end_frame(), _("Loop"),(Location::Flags) (Location::IsAutoLoop | Location::IsHidden));
1224
1225                 if (loc->start() == loc->end()) {
1226                         loc->set_end (loc->start() + 1);
1227                 }
1228
1229                 _session->locations()->add (loc, false);
1230                 _session->set_auto_loop_location (loc);
1231         } else {
1232                 // force name
1233                 loc->set_name (_("Loop"));
1234         }
1235
1236         loc = _session->locations()->auto_punch_location();
1237
1238         if (loc == 0) {
1239                 loc = new Location (*_session, 0, _session->current_end_frame(), _("Punch"), (Location::Flags) (Location::IsAutoPunch | Location::IsHidden));
1240
1241                 if (loc->start() == loc->end()) {
1242                         loc->set_end (loc->start() + 1);
1243                 }
1244
1245                 _session->locations()->add (loc, false);
1246                 _session->set_auto_punch_location (loc);
1247         } else {
1248                 // force name
1249                 loc->set_name (_("Punch"));
1250         }
1251
1252         refresh_location_display ();
1253
1254         /* This must happen after refresh_location_display(), as (amongst other things) we restore
1255            the selected Marker; this needs the LocationMarker list to be available.
1256         */
1257         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
1258         set_state (*node, Stateful::loading_state_version);
1259
1260         /* catch up with the playhead */
1261
1262         _session->request_locate (playhead_cursor->current_frame);
1263         _pending_initial_locate = true;
1264
1265         update_title ();
1266
1267         /* These signals can all be emitted by a non-GUI thread. Therefore the
1268            handlers for them must not attempt to directly interact with the GUI,
1269            but use Gtkmm2ext::UI::instance()->call_slot();
1270         */
1271
1272         _session->StepEditStatusChange.connect (_session_connections, invalidator (*this), boost::bind (&Editor::step_edit_status_change, this, _1), gui_context());
1273         _session->TransportStateChange.connect (_session_connections, invalidator (*this), boost::bind (&Editor::map_transport_state, this), gui_context());
1274         _session->PositionChanged.connect (_session_connections, invalidator (*this), boost::bind (&Editor::map_position_change, this, _1), gui_context());
1275         _session->RouteAdded.connect (_session_connections, invalidator (*this), boost::bind (&Editor::add_routes, this, _1), gui_context());
1276         _session->DirtyChanged.connect (_session_connections, invalidator (*this), boost::bind (&Editor::update_title, this), gui_context());
1277         _session->tempo_map().PropertyChanged.connect (_session_connections, invalidator (*this), boost::bind (&Editor::tempo_map_changed, this, _1), gui_context());
1278         _session->Located.connect (_session_connections, invalidator (*this), boost::bind (&Editor::located, this), gui_context());
1279         _session->config.ParameterChanged.connect (_session_connections, invalidator (*this), boost::bind (&Editor::parameter_changed, this, _1), gui_context());
1280         _session->StateSaved.connect (_session_connections, invalidator (*this), boost::bind (&Editor::session_state_saved, this, _1), gui_context());
1281         _session->locations()->added.connect (_session_connections, invalidator (*this), boost::bind (&Editor::add_new_location, this, _1), gui_context());
1282         _session->locations()->removed.connect (_session_connections, invalidator (*this), boost::bind (&Editor::location_gone, this, _1), gui_context());
1283         _session->locations()->changed.connect (_session_connections, invalidator (*this), boost::bind (&Editor::refresh_location_display, this), gui_context());
1284         _session->locations()->StateChanged.connect (_session_connections, invalidator (*this), boost::bind (&Editor::refresh_location_display, this), gui_context());
1285         _session->history().Changed.connect (_session_connections, invalidator (*this), boost::bind (&Editor::history_changed, this), gui_context());
1286
1287         playhead_cursor->canvas_item.show ();
1288
1289         boost::function<void (string)> pc (boost::bind (&Editor::parameter_changed, this, _1));
1290         Config->map_parameters (pc);
1291         _session->config.map_parameters (pc);
1292
1293         restore_ruler_visibility ();
1294         //tempo_map_changed (PropertyChange (0));
1295         _session->tempo_map().apply_with_metrics (*this, &Editor::draw_metric_marks);
1296
1297         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
1298                 (static_cast<TimeAxisView*>(*i))->set_samples_per_unit (frames_per_unit);
1299         }
1300
1301         super_rapid_screen_update_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect (
1302                 sigc::mem_fun (*this, &Editor::super_rapid_screen_update)
1303                 );
1304
1305         switch (_snap_type) {
1306         case SnapToRegionStart:
1307         case SnapToRegionEnd:
1308         case SnapToRegionSync:
1309         case SnapToRegionBoundary:
1310                 build_region_boundary_cache ();
1311                 break;
1312
1313         default:
1314                 break;
1315         }
1316
1317         /* register for undo history */
1318         _session->register_with_memento_command_factory(id(), this);
1319
1320         ActionManager::ui_manager->signal_pre_activate().connect (sigc::mem_fun (*this, &Editor::action_pre_activated));
1321
1322         start_updating_meters ();
1323 }
1324
1325 void
1326 Editor::action_pre_activated (Glib::RefPtr<Action> const & a)
1327 {
1328         if (a->get_name() == "RegionMenu") {
1329                 /* When the main menu's region menu is opened, we setup the actions so that they look right
1330                    in the menu.  I can't find a way of getting a signal when this menu is subsequently closed,
1331                    so we resensitize all region actions when the entered regionview or the region selection
1332                    changes.  HOWEVER we can't always resensitize on entered_regionview change because that
1333                    happens after the region context menu is opened.  So we set a flag here, too.
1334
1335                    What a carry on :(
1336                 */
1337                 sensitize_the_right_region_actions ();
1338                 _last_region_menu_was_main = true;
1339         }
1340 }
1341
1342 void
1343 Editor::fill_xfade_menu (Menu_Helpers::MenuList& items, bool start)
1344 {
1345         using namespace Menu_Helpers;
1346
1347         void (Editor::*emf)(FadeShape);
1348         std::map<ARDOUR::FadeShape,Gtk::Image*>* images;
1349
1350         if (start) {
1351                 images = &_xfade_in_images;
1352                 emf = &Editor::set_fade_in_shape;
1353         } else {
1354                 images = &_xfade_out_images;
1355                 emf = &Editor::set_fade_out_shape;
1356         }
1357
1358         items.push_back (
1359                 ImageMenuElem (
1360                         _("Linear (for highly correlated material)"),
1361                         *(*images)[FadeLinear],
1362                         sigc::bind (sigc::mem_fun (*this, emf), FadeLinear)
1363                         )
1364                 );
1365
1366         dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
1367
1368         items.push_back (
1369                 ImageMenuElem (
1370                         _("ConstantPower"),
1371                         *(*images)[FadeConstantPower],
1372                         sigc::bind (sigc::mem_fun (*this, emf), FadeConstantPower)
1373                         ));
1374
1375         dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
1376
1377         items.push_back (
1378                 ImageMenuElem (
1379                         _("Symmetric"),
1380                         *(*images)[FadeSymmetric],
1381                         sigc::bind (sigc::mem_fun (*this, emf), FadeSymmetric)
1382                         )
1383                 );
1384
1385         dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
1386
1387         items.push_back (
1388                 ImageMenuElem (
1389                         _("Slow"),
1390                         *(*images)[FadeSlow],
1391                         sigc::bind (sigc::mem_fun (*this, emf), FadeSlow)
1392                         ));
1393
1394         dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
1395
1396         items.push_back (
1397                 ImageMenuElem (
1398                         _("Fast"),
1399                         *(*images)[FadeFast],
1400                         sigc::bind (sigc::mem_fun (*this, emf), FadeFast)
1401                         ));
1402
1403         dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
1404 }
1405
1406 /** Pop up a context menu for when the user clicks on a start crossfade */
1407 void
1408 Editor::popup_xfade_in_context_menu (int button, int32_t time, ArdourCanvas::Item* /*item*/, ItemType /*item_type*/)
1409 {
1410         using namespace Menu_Helpers;
1411
1412         MenuList& items (xfade_in_context_menu.items());
1413
1414         if (items.empty()) {
1415                 fill_xfade_menu (items, true);
1416         }
1417
1418         xfade_in_context_menu.popup (button, time);
1419 }
1420
1421 /** Pop up a context menu for when the user clicks on an end crossfade */
1422 void
1423 Editor::popup_xfade_out_context_menu (int button, int32_t time, ArdourCanvas::Item* /*item*/, ItemType /*item_type*/)
1424 {
1425         using namespace Menu_Helpers;
1426
1427         MenuList& items (xfade_out_context_menu.items());
1428
1429         if (items.empty()) {
1430                 fill_xfade_menu (items, false);
1431         }
1432
1433         xfade_out_context_menu.popup (button, time);
1434 }
1435
1436
1437 /** Pop up a context menu for when the user clicks on a fade in or fade out */
1438 void
1439 Editor::popup_fade_context_menu (int button, int32_t time, ArdourCanvas::Item* item, ItemType item_type)
1440 {
1441         using namespace Menu_Helpers;
1442         AudioRegionView* arv = static_cast<AudioRegionView*> (item->get_data ("regionview"));
1443
1444         if (arv == 0) {
1445                 fatal << _("programming error: fade in canvas item has no regionview data pointer!") << endmsg;
1446                 /*NOTREACHED*/
1447         }
1448
1449         MenuList& items (fade_context_menu.items());
1450         items.clear ();
1451
1452         switch (item_type) {
1453         case FadeInItem:
1454         case FadeInHandleItem:
1455                 if (arv->audio_region()->fade_in_active()) {
1456                         items.push_back (MenuElem (_("Deactivate"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_active), false)));
1457                 } else {
1458                         items.push_back (MenuElem (_("Activate"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_active), true)));
1459                 }
1460
1461                 items.push_back (SeparatorElem());
1462
1463                 if (Profile->get_sae()) {
1464
1465                         items.push_back (MenuElem (_("Linear"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), FadeLinear)));
1466                         items.push_back (MenuElem (_("Slowest"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), FadeFast)));
1467
1468                 } else {
1469
1470                         items.push_back (
1471                                 ImageMenuElem (
1472                                         _("Linear"),
1473                                         *_fade_in_images[FadeLinear],
1474                                         sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), FadeLinear)
1475                                         )
1476                                 );
1477
1478                         dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
1479
1480                         items.push_back (
1481                                 ImageMenuElem (
1482                                         _("Slow"),
1483                                         *_fade_in_images[FadeSlow],
1484                                         sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), FadeSlow)
1485                                         ));
1486
1487                         dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
1488
1489                         items.push_back (
1490                                 ImageMenuElem (
1491                                         _("Fast"),
1492                                         *_fade_in_images[FadeFast],
1493                                         sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), FadeFast)
1494                                         ));
1495
1496                         dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
1497
1498                         items.push_back (
1499                                 ImageMenuElem (
1500                                         _("Symmetric"),
1501                                         *_fade_in_images[FadeSymmetric],
1502                                         sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), FadeSymmetric)
1503                                         ));
1504
1505                         items.push_back (
1506                                 ImageMenuElem (
1507                                         _("Constant Power"),
1508                                         *_fade_in_images[FadeConstantPower],
1509                                         sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), FadeConstantPower)
1510                                         ));
1511
1512                         dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
1513                 }
1514
1515                 break;
1516
1517         case FadeOutItem:
1518         case FadeOutHandleItem:
1519                 if (arv->audio_region()->fade_out_active()) {
1520                         items.push_back (MenuElem (_("Deactivate"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_active), false)));
1521                 } else {
1522                         items.push_back (MenuElem (_("Activate"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_active), true)));
1523                 }
1524
1525                 items.push_back (SeparatorElem());
1526
1527                 if (Profile->get_sae()) {
1528                         items.push_back (MenuElem (_("Linear"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), FadeLinear)));
1529                         items.push_back (MenuElem (_("Slowest"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), FadeSlow)));
1530                 } else {
1531
1532                         items.push_back (
1533                                 ImageMenuElem (
1534                                         _("Linear"),
1535                                         *_fade_out_images[FadeLinear],
1536                                         sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), FadeLinear)
1537                                         )
1538                                 );
1539
1540                         dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
1541
1542                         items.push_back (
1543                                 ImageMenuElem (
1544                                         _("Slow"),
1545                                         *_fade_out_images[FadeSlow],
1546                                         sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), FadeSlow)
1547                                         ));
1548
1549                         dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
1550
1551                         items.push_back (
1552                                 ImageMenuElem (
1553                                         _("Fast"),
1554                                         *_fade_out_images[FadeFast],
1555                                         sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), FadeFast)
1556                                         ));
1557
1558                         dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
1559
1560                         items.push_back (
1561                                 ImageMenuElem (
1562                                         _("Symmetric"),
1563                                         *_fade_out_images[FadeSymmetric],
1564                                         sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), FadeSymmetric)
1565                                         ));
1566
1567                         items.push_back (
1568                                 ImageMenuElem (
1569                                         _("Constant Power"),
1570                                         *_fade_out_images[FadeConstantPower],
1571                                         sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), FadeConstantPower)
1572                                         ));
1573
1574                         dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
1575                 }
1576
1577                 break;
1578
1579         default:
1580                 fatal << _("programming error: ")
1581                       << X_("non-fade canvas item passed to popup_fade_context_menu()")
1582                       << endmsg;
1583                 /*NOTREACHED*/
1584         }
1585
1586         fade_context_menu.popup (button, time);
1587 }
1588
1589 void
1590 Editor::popup_track_context_menu (int button, int32_t time, ItemType item_type, bool with_selection)
1591 {
1592         using namespace Menu_Helpers;
1593         Menu* (Editor::*build_menu_function)();
1594         Menu *menu;
1595
1596         switch (item_type) {
1597         case RegionItem:
1598         case RegionViewName:
1599         case RegionViewNameHighlight:
1600         case LeftFrameHandle:
1601         case RightFrameHandle:
1602                 if (with_selection) {
1603                         build_menu_function = &Editor::build_track_selection_context_menu;
1604                 } else {
1605                         build_menu_function = &Editor::build_track_region_context_menu;
1606                 }
1607                 break;
1608
1609         case SelectionItem:
1610                 if (with_selection) {
1611                         build_menu_function = &Editor::build_track_selection_context_menu;
1612                 } else {
1613                         build_menu_function = &Editor::build_track_context_menu;
1614                 }
1615                 break;
1616
1617         case StreamItem:
1618                 if (clicked_routeview->track()) {
1619                         build_menu_function = &Editor::build_track_context_menu;
1620                 } else {
1621                         build_menu_function = &Editor::build_track_bus_context_menu;
1622                 }
1623                 break;
1624
1625         default:
1626                 /* probably shouldn't happen but if it does, we don't care */
1627                 return;
1628         }
1629
1630         menu = (this->*build_menu_function)();
1631         menu->set_name ("ArdourContextMenu");
1632
1633         /* now handle specific situations */
1634
1635         switch (item_type) {
1636         case RegionItem:
1637         case RegionViewName:
1638         case RegionViewNameHighlight:
1639         case LeftFrameHandle:
1640         case RightFrameHandle:
1641                 if (!with_selection) {
1642                         if (region_edit_menu_split_item) {
1643                                 if (clicked_regionview && clicked_regionview->region()->covers (get_preferred_edit_position())) {
1644                                         ActionManager::set_sensitive (ActionManager::edit_point_in_region_sensitive_actions, true);
1645                                 } else {
1646                                         ActionManager::set_sensitive (ActionManager::edit_point_in_region_sensitive_actions, false);
1647                                 }
1648                         }
1649                         if (region_edit_menu_split_multichannel_item) {
1650                                 if (clicked_regionview && clicked_regionview->region()->n_channels() > 1) {
1651                                         region_edit_menu_split_multichannel_item->set_sensitive (true);
1652                                 } else {
1653                                         region_edit_menu_split_multichannel_item->set_sensitive (false);
1654                                 }
1655                         }
1656                 }
1657                 break;
1658
1659         case SelectionItem:
1660                 break;
1661
1662         case StreamItem:
1663                 break;
1664
1665         default:
1666                 /* probably shouldn't happen but if it does, we don't care */
1667                 return;
1668         }
1669
1670         if (item_type != SelectionItem && clicked_routeview && clicked_routeview->audio_track()) {
1671
1672                 /* Bounce to disk */
1673
1674                 using namespace Menu_Helpers;
1675                 MenuList& edit_items  = menu->items();
1676
1677                 edit_items.push_back (SeparatorElem());
1678
1679                 switch (clicked_routeview->audio_track()->freeze_state()) {
1680                 case AudioTrack::NoFreeze:
1681                         edit_items.push_back (MenuElem (_("Freeze"), sigc::mem_fun(*this, &Editor::freeze_route)));
1682                         break;
1683
1684                 case AudioTrack::Frozen:
1685                         edit_items.push_back (MenuElem (_("Unfreeze"), sigc::mem_fun(*this, &Editor::unfreeze_route)));
1686                         break;
1687
1688                 case AudioTrack::UnFrozen:
1689                         edit_items.push_back (MenuElem (_("Freeze"), sigc::mem_fun(*this, &Editor::freeze_route)));
1690                         break;
1691                 }
1692
1693         }
1694
1695         if (item_type == StreamItem && clicked_routeview) {
1696                 clicked_routeview->build_underlay_menu(menu);
1697         }
1698
1699         /* When the region menu is opened, we setup the actions so that they look right
1700            in the menu.
1701         */
1702         sensitize_the_right_region_actions ();
1703         _last_region_menu_was_main = false;
1704
1705         menu->signal_hide().connect (sigc::bind (sigc::mem_fun (*this, &Editor::sensitize_all_region_actions), true));
1706         menu->popup (button, time);
1707 }
1708
1709 Menu*
1710 Editor::build_track_context_menu ()
1711 {
1712         using namespace Menu_Helpers;
1713
1714         MenuList& edit_items = track_context_menu.items();
1715         edit_items.clear();
1716
1717         add_dstream_context_items (edit_items);
1718         return &track_context_menu;
1719 }
1720
1721 Menu*
1722 Editor::build_track_bus_context_menu ()
1723 {
1724         using namespace Menu_Helpers;
1725
1726         MenuList& edit_items = track_context_menu.items();
1727         edit_items.clear();
1728
1729         add_bus_context_items (edit_items);
1730         return &track_context_menu;
1731 }
1732
1733 Menu*
1734 Editor::build_track_region_context_menu ()
1735 {
1736         using namespace Menu_Helpers;
1737         MenuList& edit_items  = track_region_context_menu.items();
1738         edit_items.clear();
1739
1740         /* we've just cleared the track region context menu, so the menu that these
1741            two items were on will have disappeared; stop them dangling.
1742         */
1743         region_edit_menu_split_item = 0;
1744         region_edit_menu_split_multichannel_item = 0;
1745
1746         RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (clicked_axisview);
1747
1748         if (rtv) {
1749                 boost::shared_ptr<Track> tr;
1750                 boost::shared_ptr<Playlist> pl;
1751
1752                 if ((tr = rtv->track())) {
1753                         add_region_context_items (edit_items, tr);
1754                 }
1755         }
1756
1757         add_dstream_context_items (edit_items);
1758
1759         return &track_region_context_menu;
1760 }
1761
1762 void
1763 Editor::analyze_region_selection ()
1764 {
1765         if (analysis_window == 0) {
1766                 analysis_window = new AnalysisWindow();
1767
1768                 if (_session != 0)
1769                         analysis_window->set_session(_session);
1770
1771                 analysis_window->show_all();
1772         }
1773
1774         analysis_window->set_regionmode();
1775         analysis_window->analyze();
1776
1777         analysis_window->present();
1778 }
1779
1780 void
1781 Editor::analyze_range_selection()
1782 {
1783         if (analysis_window == 0) {
1784                 analysis_window = new AnalysisWindow();
1785
1786                 if (_session != 0)
1787                         analysis_window->set_session(_session);
1788
1789                 analysis_window->show_all();
1790         }
1791
1792         analysis_window->set_rangemode();
1793         analysis_window->analyze();
1794
1795         analysis_window->present();
1796 }
1797
1798 Menu*
1799 Editor::build_track_selection_context_menu ()
1800 {
1801         using namespace Menu_Helpers;
1802         MenuList& edit_items  = track_selection_context_menu.items();
1803         edit_items.clear ();
1804
1805         add_selection_context_items (edit_items);
1806         // edit_items.push_back (SeparatorElem());
1807         // add_dstream_context_items (edit_items);
1808
1809         return &track_selection_context_menu;
1810 }
1811
1812 void
1813 Editor::add_region_context_items (Menu_Helpers::MenuList& edit_items, boost::shared_ptr<Track> track)
1814 {
1815         using namespace Menu_Helpers;
1816
1817         /* OK, stick the region submenu at the top of the list, and then add
1818            the standard items.
1819         */
1820
1821         RegionSelection rs = get_regions_from_selection_and_entered ();
1822
1823         string::size_type pos = 0;
1824         string menu_item_name = (rs.size() == 1) ? rs.front()->region()->name() : _("Selected Regions");
1825
1826         /* we have to hack up the region name because "_" has a special
1827            meaning for menu titles.
1828         */
1829
1830         while ((pos = menu_item_name.find ("_", pos)) != string::npos) {
1831                 menu_item_name.replace (pos, 1, "__");
1832                 pos += 2;
1833         }
1834
1835         if (_popup_region_menu_item == 0) {
1836                 _popup_region_menu_item = new MenuItem (menu_item_name);
1837                 _popup_region_menu_item->set_submenu (*dynamic_cast<Menu*> (ActionManager::get_widget (X_("/PopupRegionMenu"))));
1838                 _popup_region_menu_item->show ();
1839         } else {
1840                 _popup_region_menu_item->set_label (menu_item_name);
1841         }
1842
1843         const framepos_t position = get_preferred_edit_position (false, true);
1844
1845         edit_items.push_back (*_popup_region_menu_item);
1846         if (track->playlist()->count_regions_at (position) > 1 && (layering_order_editor == 0 || !layering_order_editor->is_visible ())) {
1847                 edit_items.push_back (*manage (_region_actions->get_action ("choose-top-region-context-menu")->create_menu_item ()));
1848         }
1849         edit_items.push_back (SeparatorElem());
1850 }
1851
1852 /** Add context menu items relevant to selection ranges.
1853  * @param edit_items List to add the items to.
1854  */
1855 void
1856 Editor::add_selection_context_items (Menu_Helpers::MenuList& edit_items)
1857 {
1858         using namespace Menu_Helpers;
1859
1860         edit_items.push_back (MenuElem (_("Play Range"), sigc::mem_fun(*this, &Editor::play_selection)));
1861         edit_items.push_back (MenuElem (_("Loop Range"), sigc::bind (sigc::mem_fun(*this, &Editor::set_loop_from_selection), true)));
1862
1863         edit_items.push_back (SeparatorElem());
1864         edit_items.push_back (MenuElem (_("Spectral Analysis"), sigc::mem_fun(*this, &Editor::analyze_range_selection)));
1865
1866         edit_items.push_back (SeparatorElem());
1867
1868         edit_items.push_back (
1869                 MenuElem (
1870                         _("Move Range Start to Previous Region Boundary"),
1871                         sigc::bind (sigc::mem_fun (*this, &Editor::move_range_selection_start_or_end_to_region_boundary), false, false)
1872                         )
1873                 );
1874
1875         edit_items.push_back (
1876                 MenuElem (
1877                         _("Move Range Start to Next Region Boundary"),
1878                         sigc::bind (sigc::mem_fun (*this, &Editor::move_range_selection_start_or_end_to_region_boundary), false, true)
1879                         )
1880                 );
1881
1882         edit_items.push_back (
1883                 MenuElem (
1884                         _("Move Range End to Previous Region Boundary"),
1885                         sigc::bind (sigc::mem_fun (*this, &Editor::move_range_selection_start_or_end_to_region_boundary), true, false)
1886                         )
1887                 );
1888
1889         edit_items.push_back (
1890                 MenuElem (
1891                         _("Move Range End to Next Region Boundary"),
1892                         sigc::bind (sigc::mem_fun (*this, &Editor::move_range_selection_start_or_end_to_region_boundary), true, true)
1893                         )
1894                 );
1895
1896         edit_items.push_back (SeparatorElem());
1897         edit_items.push_back (MenuElem (_("Convert to Region In-Place"), mem_fun(*this, &Editor::separate_region_from_selection)));
1898         edit_items.push_back (MenuElem (_("Convert to Region in Region List"), sigc::mem_fun(*this, &Editor::new_region_from_selection)));
1899
1900         edit_items.push_back (SeparatorElem());
1901         edit_items.push_back (MenuElem (_("Select All in Range"), sigc::mem_fun(*this, &Editor::select_all_selectables_using_time_selection)));
1902
1903         edit_items.push_back (SeparatorElem());
1904         edit_items.push_back (MenuElem (_("Set Loop from Range"), sigc::bind (sigc::mem_fun(*this, &Editor::set_loop_from_selection), false)));
1905         edit_items.push_back (MenuElem (_("Set Punch from Range"), sigc::mem_fun(*this, &Editor::set_punch_from_selection)));
1906
1907         edit_items.push_back (SeparatorElem());
1908         edit_items.push_back (MenuElem (_("Add Range Markers"), sigc::mem_fun (*this, &Editor::add_location_from_selection)));
1909
1910         edit_items.push_back (SeparatorElem());
1911         edit_items.push_back (MenuElem (_("Crop Region to Range"), sigc::mem_fun(*this, &Editor::crop_region_to_selection)));
1912         edit_items.push_back (MenuElem (_("Fill Range with Region"), sigc::mem_fun(*this, &Editor::region_fill_selection)));
1913         edit_items.push_back (MenuElem (_("Duplicate Range"), sigc::bind (sigc::mem_fun(*this, &Editor::duplicate_range), false)));
1914
1915         edit_items.push_back (SeparatorElem());
1916         edit_items.push_back (MenuElem (_("Consolidate Range"), sigc::bind (sigc::mem_fun(*this, &Editor::bounce_range_selection), true, false)));
1917         edit_items.push_back (MenuElem (_("Consolidate Range With Processing"), sigc::bind (sigc::mem_fun(*this, &Editor::bounce_range_selection), true, true)));
1918         edit_items.push_back (MenuElem (_("Bounce Range to Region List"), sigc::bind (sigc::mem_fun(*this, &Editor::bounce_range_selection), false, false)));
1919         edit_items.push_back (MenuElem (_("Bounce Range to Region List With Processing"), sigc::bind (sigc::mem_fun(*this, &Editor::bounce_range_selection), false, true)));
1920         edit_items.push_back (MenuElem (_("Export Range..."), sigc::mem_fun(*this, &Editor::export_selection)));
1921 }
1922
1923
1924 void
1925 Editor::add_dstream_context_items (Menu_Helpers::MenuList& edit_items)
1926 {
1927         using namespace Menu_Helpers;
1928
1929         /* Playback */
1930
1931         Menu *play_menu = manage (new Menu);
1932         MenuList& play_items = play_menu->items();
1933         play_menu->set_name ("ArdourContextMenu");
1934
1935         play_items.push_back (MenuElem (_("Play From Edit Point"), sigc::mem_fun(*this, &Editor::play_from_edit_point)));
1936         play_items.push_back (MenuElem (_("Play From Start"), sigc::mem_fun(*this, &Editor::play_from_start)));
1937         play_items.push_back (MenuElem (_("Play Region"), sigc::mem_fun(*this, &Editor::play_selected_region)));
1938         play_items.push_back (SeparatorElem());
1939         play_items.push_back (MenuElem (_("Loop Region"), sigc::bind (sigc::mem_fun (*this, &Editor::set_loop_from_region), true)));
1940
1941         edit_items.push_back (MenuElem (_("Play"), *play_menu));
1942
1943         /* Selection */
1944
1945         Menu *select_menu = manage (new Menu);
1946         MenuList& select_items = select_menu->items();
1947         select_menu->set_name ("ArdourContextMenu");
1948
1949         select_items.push_back (MenuElem (_("Select All in Track"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
1950         select_items.push_back (MenuElem (_("Select All"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all), Selection::Set)));
1951         select_items.push_back (MenuElem (_("Invert Selection in Track"), sigc::mem_fun(*this, &Editor::invert_selection_in_track)));
1952         select_items.push_back (MenuElem (_("Invert Selection"), sigc::mem_fun(*this, &Editor::invert_selection)));
1953         select_items.push_back (SeparatorElem());
1954         select_items.push_back (MenuElem (_("Set Range to Loop Range"), sigc::mem_fun(*this, &Editor::set_selection_from_loop)));
1955         select_items.push_back (MenuElem (_("Set Range to Punch Range"), sigc::mem_fun(*this, &Editor::set_selection_from_punch)));
1956         select_items.push_back (SeparatorElem());
1957         select_items.push_back (MenuElem (_("Select All After Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_edit), true)));
1958         select_items.push_back (MenuElem (_("Select All Before Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_edit), false)));
1959         select_items.push_back (MenuElem (_("Select All After Playhead"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
1960         select_items.push_back (MenuElem (_("Select All Before Playhead"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
1961         select_items.push_back (MenuElem (_("Select All Between Playhead and Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_between), false)));
1962         select_items.push_back (MenuElem (_("Select All Within Playhead and Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_between), true)));
1963         select_items.push_back (MenuElem (_("Select Range Between Playhead and Edit Point"), sigc::mem_fun(*this, &Editor::select_range_between)));
1964
1965         edit_items.push_back (MenuElem (_("Select"), *select_menu));
1966
1967         /* Cut-n-Paste */
1968
1969         Menu *cutnpaste_menu = manage (new Menu);
1970         MenuList& cutnpaste_items = cutnpaste_menu->items();
1971         cutnpaste_menu->set_name ("ArdourContextMenu");
1972
1973         cutnpaste_items.push_back (MenuElem (_("Cut"), sigc::mem_fun(*this, &Editor::cut)));
1974         cutnpaste_items.push_back (MenuElem (_("Copy"), sigc::mem_fun(*this, &Editor::copy)));
1975         cutnpaste_items.push_back (MenuElem (_("Paste"), sigc::bind (sigc::mem_fun(*this, &Editor::paste), 1.0f, true)));
1976
1977         cutnpaste_items.push_back (SeparatorElem());
1978
1979         cutnpaste_items.push_back (MenuElem (_("Align"), sigc::bind (sigc::mem_fun (*this, &Editor::align_regions), ARDOUR::SyncPoint)));
1980         cutnpaste_items.push_back (MenuElem (_("Align Relative"), sigc::bind (sigc::mem_fun (*this, &Editor::align_regions_relative), ARDOUR::SyncPoint)));
1981
1982         edit_items.push_back (MenuElem (_("Edit"), *cutnpaste_menu));
1983
1984         /* Adding new material */
1985
1986         edit_items.push_back (SeparatorElem());
1987         edit_items.push_back (MenuElem (_("Insert Selected Region"), sigc::bind (sigc::mem_fun(*this, &Editor::insert_region_list_selection), 1.0f)));
1988         edit_items.push_back (MenuElem (_("Insert Existing Media"), sigc::bind (sigc::mem_fun(*this, &Editor::add_external_audio_action), ImportToTrack)));
1989
1990         /* Nudge track */
1991
1992         Menu *nudge_menu = manage (new Menu());
1993         MenuList& nudge_items = nudge_menu->items();
1994         nudge_menu->set_name ("ArdourContextMenu");
1995
1996         edit_items.push_back (SeparatorElem());
1997         nudge_items.push_back (MenuElem (_("Nudge Entire Track Later"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), false, true))));
1998         nudge_items.push_back (MenuElem (_("Nudge Track After Edit Point Later"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), true, true))));
1999         nudge_items.push_back (MenuElem (_("Nudge Entire Track Earlier"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), false, false))));
2000         nudge_items.push_back (MenuElem (_("Nudge Track After Edit Point Earlier"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), true, false))));
2001
2002         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
2003 }
2004
2005 void
2006 Editor::add_bus_context_items (Menu_Helpers::MenuList& edit_items)
2007 {
2008         using namespace Menu_Helpers;
2009
2010         /* Playback */
2011
2012         Menu *play_menu = manage (new Menu);
2013         MenuList& play_items = play_menu->items();
2014         play_menu->set_name ("ArdourContextMenu");
2015
2016         play_items.push_back (MenuElem (_("Play From Edit Point"), sigc::mem_fun(*this, &Editor::play_from_edit_point)));
2017         play_items.push_back (MenuElem (_("Play From Start"), sigc::mem_fun(*this, &Editor::play_from_start)));
2018         edit_items.push_back (MenuElem (_("Play"), *play_menu));
2019
2020         /* Selection */
2021
2022         Menu *select_menu = manage (new Menu);
2023         MenuList& select_items = select_menu->items();
2024         select_menu->set_name ("ArdourContextMenu");
2025
2026         select_items.push_back (MenuElem (_("Select All in Track"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
2027         select_items.push_back (MenuElem (_("Select All"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all), Selection::Set)));
2028         select_items.push_back (MenuElem (_("Invert Selection in Track"), sigc::mem_fun(*this, &Editor::invert_selection_in_track)));
2029         select_items.push_back (MenuElem (_("Invert Selection"), sigc::mem_fun(*this, &Editor::invert_selection)));
2030         select_items.push_back (SeparatorElem());
2031         select_items.push_back (MenuElem (_("Select All After Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_edit), true)));
2032         select_items.push_back (MenuElem (_("Select All Before Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_edit), false)));
2033         select_items.push_back (MenuElem (_("Select All After Playhead"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
2034         select_items.push_back (MenuElem (_("Select All Before Playhead"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
2035
2036         edit_items.push_back (MenuElem (_("Select"), *select_menu));
2037
2038         /* Cut-n-Paste */
2039
2040         Menu *cutnpaste_menu = manage (new Menu);
2041         MenuList& cutnpaste_items = cutnpaste_menu->items();
2042         cutnpaste_menu->set_name ("ArdourContextMenu");
2043
2044         cutnpaste_items.push_back (MenuElem (_("Cut"), sigc::mem_fun(*this, &Editor::cut)));
2045         cutnpaste_items.push_back (MenuElem (_("Copy"), sigc::mem_fun(*this, &Editor::copy)));
2046         cutnpaste_items.push_back (MenuElem (_("Paste"), sigc::bind (sigc::mem_fun(*this, &Editor::paste), 1.0f, true)));
2047
2048         Menu *nudge_menu = manage (new Menu());
2049         MenuList& nudge_items = nudge_menu->items();
2050         nudge_menu->set_name ("ArdourContextMenu");
2051
2052         edit_items.push_back (SeparatorElem());
2053         nudge_items.push_back (MenuElem (_("Nudge Entire Track Later"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), false, true))));
2054         nudge_items.push_back (MenuElem (_("Nudge Track After Edit Point Later"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), true, true))));
2055         nudge_items.push_back (MenuElem (_("Nudge Entire Track Earlier"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), false, false))));
2056         nudge_items.push_back (MenuElem (_("Nudge Track After Edit Point Earlier"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), true, false))));
2057
2058         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
2059 }
2060
2061 SnapType
2062 Editor::snap_type() const
2063 {
2064         return _snap_type;
2065 }
2066
2067 SnapMode
2068 Editor::snap_mode() const
2069 {
2070         return _snap_mode;
2071 }
2072
2073 void
2074 Editor::set_snap_to (SnapType st)
2075 {
2076         unsigned int snap_ind = (unsigned int)st;
2077
2078         _snap_type = st;
2079
2080         if (snap_ind > snap_type_strings.size() - 1) {
2081                 snap_ind = 0;
2082                 _snap_type = (SnapType)snap_ind;
2083         }
2084
2085         string str = snap_type_strings[snap_ind];
2086
2087         if (str != snap_type_selector.get_active_text()) {
2088                 snap_type_selector.set_active_text (str);
2089         }
2090
2091         instant_save ();
2092
2093         switch (_snap_type) {
2094         case SnapToBeatDiv128:
2095         case SnapToBeatDiv64:
2096         case SnapToBeatDiv32:
2097         case SnapToBeatDiv28:
2098         case SnapToBeatDiv24:
2099         case SnapToBeatDiv20:
2100         case SnapToBeatDiv16:
2101         case SnapToBeatDiv14:
2102         case SnapToBeatDiv12:
2103         case SnapToBeatDiv10:
2104         case SnapToBeatDiv8:
2105         case SnapToBeatDiv7:
2106         case SnapToBeatDiv6:
2107         case SnapToBeatDiv5:
2108         case SnapToBeatDiv4:
2109         case SnapToBeatDiv3:
2110         case SnapToBeatDiv2: {
2111                 ARDOUR::TempoMap::BBTPointList::const_iterator current_bbt_points_begin;
2112                 ARDOUR::TempoMap::BBTPointList::const_iterator current_bbt_points_end;
2113
2114                 compute_current_bbt_points (leftmost_frame, leftmost_frame + current_page_frames(),
2115                                             current_bbt_points_begin, current_bbt_points_end);
2116                 compute_bbt_ruler_scale (leftmost_frame, leftmost_frame + current_page_frames(),
2117                                          current_bbt_points_begin, current_bbt_points_end);
2118                 update_tempo_based_rulers (current_bbt_points_begin, current_bbt_points_end);
2119                 break;
2120         }
2121
2122         case SnapToRegionStart:
2123         case SnapToRegionEnd:
2124         case SnapToRegionSync:
2125         case SnapToRegionBoundary:
2126                 build_region_boundary_cache ();
2127                 break;
2128
2129         default:
2130                 /* relax */
2131                 break;
2132         }
2133
2134         SnapChanged (); /* EMIT SIGNAL */
2135 }
2136
2137 void
2138 Editor::set_snap_mode (SnapMode mode)
2139 {
2140         _snap_mode = mode;
2141         string str = snap_mode_strings[(int)mode];
2142
2143         if (str != snap_mode_selector.get_active_text ()) {
2144                 snap_mode_selector.set_active_text (str);
2145         }
2146
2147         instant_save ();
2148 }
2149 void
2150 Editor::set_edit_point_preference (EditPoint ep, bool force)
2151 {
2152         bool changed = (_edit_point != ep);
2153
2154         _edit_point = ep;
2155         string str = edit_point_strings[(int)ep];
2156
2157         if (str != edit_point_selector.get_active_text ()) {
2158                 edit_point_selector.set_active_text (str);
2159         }
2160
2161         set_canvas_cursor ();
2162
2163         if (!force && !changed) {
2164                 return;
2165         }
2166
2167         const char* action=NULL;
2168
2169         switch (_edit_point) {
2170         case EditAtPlayhead:
2171                 action = "edit-at-playhead";
2172                 break;
2173         case EditAtSelectedMarker:
2174                 action = "edit-at-marker";
2175                 break;
2176         case EditAtMouse:
2177                 action = "edit-at-mouse";
2178                 break;
2179         }
2180
2181         Glib::RefPtr<Action> act = ActionManager::get_action ("Editor", action);
2182         if (act) {
2183                 Glib::RefPtr<RadioAction>::cast_dynamic(act)->set_active (true);
2184         }
2185
2186         framepos_t foo;
2187         bool in_track_canvas;
2188
2189         if (!mouse_frame (foo, in_track_canvas)) {
2190                 in_track_canvas = false;
2191         }
2192
2193         reset_canvas_action_sensitivity (in_track_canvas);
2194
2195         instant_save ();
2196 }
2197
2198 int
2199 Editor::set_state (const XMLNode& node, int /*version*/)
2200 {
2201         const XMLProperty* prop;
2202         XMLNode* geometry;
2203         int x, y;
2204         Gdk::Geometry g;
2205
2206         set_id (node);
2207
2208         g.base_width = default_width;
2209         g.base_height = default_height;
2210         x = 1;
2211         y = 1;
2212
2213         if ((geometry = find_named_node (node, "geometry")) != 0) {
2214
2215                 XMLProperty* prop;
2216
2217                 if ((prop = geometry->property("x_size")) == 0) {
2218                         prop = geometry->property ("x-size");
2219                 }
2220                 if (prop) {
2221                         g.base_width = atoi(prop->value());
2222                 }
2223                 if ((prop = geometry->property("y_size")) == 0) {
2224                         prop = geometry->property ("y-size");
2225                 }
2226                 if (prop) {
2227                         g.base_height = atoi(prop->value());
2228                 }
2229
2230                 if ((prop = geometry->property ("x_pos")) == 0) {
2231                         prop = geometry->property ("x-pos");
2232                 }
2233                 if (prop) {
2234                         x = atoi (prop->value());
2235
2236                 }
2237                 if ((prop = geometry->property ("y_pos")) == 0) {
2238                         prop = geometry->property ("y-pos");
2239                 }
2240                 if (prop) {
2241                         y = atoi (prop->value());
2242                 }
2243         }
2244
2245         set_default_size (g.base_width, g.base_height);
2246         move (x, y);
2247
2248         if (_session && (prop = node.property ("playhead"))) {
2249                 framepos_t pos;
2250                 sscanf (prop->value().c_str(), "%" PRIi64, &pos);
2251                 playhead_cursor->set_position (pos);
2252         } else {
2253                 playhead_cursor->set_position (0);
2254         }
2255
2256         if ((prop = node.property ("mixer-width"))) {
2257                 editor_mixer_strip_width = Width (string_2_enum (prop->value(), editor_mixer_strip_width));
2258         }
2259
2260         if ((prop = node.property ("zoom-focus"))) {
2261                 set_zoom_focus ((ZoomFocus) string_2_enum (prop->value(), zoom_focus));
2262         }
2263
2264         if ((prop = node.property ("zoom"))) {
2265                 reset_zoom (PBD::atof (prop->value()));
2266         } else {
2267                 reset_zoom (frames_per_unit);
2268         }
2269
2270         if ((prop = node.property ("snap-to"))) {
2271                 set_snap_to ((SnapType) string_2_enum (prop->value(), _snap_type));
2272         }
2273
2274         if ((prop = node.property ("snap-mode"))) {
2275                 set_snap_mode ((SnapMode) string_2_enum (prop->value(), _snap_mode));
2276         }
2277
2278         if ((prop = node.property ("internal-snap-to"))) {
2279                 internal_snap_type = (SnapType) string_2_enum (prop->value(), internal_snap_type);
2280         }
2281
2282         if ((prop = node.property ("internal-snap-mode"))) {
2283                 internal_snap_mode = (SnapMode) string_2_enum (prop->value(), internal_snap_mode);
2284         }
2285
2286         if ((prop = node.property ("pre-internal-snap-to"))) {
2287                 pre_internal_snap_type = (SnapType) string_2_enum (prop->value(), pre_internal_snap_type);
2288         }
2289
2290         if ((prop = node.property ("pre-internal-snap-mode"))) {
2291                 pre_internal_snap_mode = (SnapMode) string_2_enum (prop->value(), pre_internal_snap_mode);
2292         }
2293
2294         if ((prop = node.property ("mouse-mode"))) {
2295                 MouseMode m = str2mousemode(prop->value());
2296                 set_mouse_mode (m, true);
2297         } else {
2298                 set_mouse_mode (MouseObject, true);
2299         }
2300
2301         if ((prop = node.property ("left-frame")) != 0) {
2302                 framepos_t pos;
2303                 if (sscanf (prop->value().c_str(), "%" PRId64, &pos) == 1) {
2304                         if (pos < 0) {
2305                                 pos = 0;
2306                         }
2307                         reset_x_origin (pos);
2308                 }
2309         }
2310
2311         if ((prop = node.property ("y-origin")) != 0) {
2312                 reset_y_origin (atof (prop->value ()));
2313         }
2314
2315         if ((prop = node.property ("internal-edit"))) {
2316                 bool yn = string_is_affirmative (prop->value());
2317                 RefPtr<Action> act = ActionManager::get_action (X_("MouseMode"), X_("toggle-internal-edit"));
2318                 if (act) {
2319                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2320                         tact->set_active (!yn);
2321                         tact->set_active (yn);
2322                 }
2323         }
2324
2325         if ((prop = node.property ("join-object-range"))) {
2326                 RefPtr<Action> act = ActionManager::get_action (X_("MouseMode"), X_("set-mouse-mode-object-range"));
2327                 bool yn = string_is_affirmative (prop->value());
2328                 if (act) {
2329                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2330                         tact->set_active (!yn);
2331                         tact->set_active (yn);
2332                 }
2333                 set_mouse_mode(mouse_mode, true);
2334         }
2335
2336         if ((prop = node.property ("edit-point"))) {
2337                 set_edit_point_preference ((EditPoint) string_2_enum (prop->value(), _edit_point), true);
2338         }
2339
2340         if ((prop = node.property ("show-measures"))) {
2341                 bool yn = string_is_affirmative (prop->value());
2342                 _show_measures = yn;
2343                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleMeasureVisibility"));
2344                 if (act) {
2345                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2346                         /* do it twice to force the change */
2347                         tact->set_active (!yn);
2348                         tact->set_active (yn);
2349                 }
2350         }
2351
2352         if ((prop = node.property ("follow-playhead"))) {
2353                 bool yn = string_is_affirmative (prop->value());
2354                 set_follow_playhead (yn);
2355                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
2356                 if (act) {
2357                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2358                         if (tact->get_active() != yn) {
2359                                 tact->set_active (yn);
2360                         }
2361                 }
2362         }
2363
2364         if ((prop = node.property ("stationary-playhead"))) {
2365                 bool yn = string_is_affirmative (prop->value());
2366                 set_stationary_playhead (yn);
2367                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-stationary-playhead"));
2368                 if (act) {
2369                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2370                         if (tact->get_active() != yn) {
2371                                 tact->set_active (yn);
2372                         }
2373                 }
2374         }
2375
2376         if ((prop = node.property ("region-list-sort-type"))) {
2377                 RegionListSortType st;
2378                 _regions->reset_sort_type ((RegionListSortType) string_2_enum (prop->value(), st), true);
2379         }
2380
2381         if ((prop = node.property ("show-editor-mixer"))) {
2382
2383                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2384                 assert (act);
2385
2386                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2387                 bool yn = string_is_affirmative (prop->value());
2388
2389                 /* do it twice to force the change */
2390
2391                 tact->set_active (!yn);
2392                 tact->set_active (yn);
2393         }
2394
2395         if ((prop = node.property ("show-editor-list"))) {
2396
2397                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-list"));
2398                 assert (act);
2399
2400                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2401                 bool yn = string_is_affirmative (prop->value());
2402
2403                 /* do it twice to force the change */
2404
2405                 tact->set_active (!yn);
2406                 tact->set_active (yn);
2407         }
2408
2409         if ((prop = node.property (X_("editor-list-page")))) {
2410                 _the_notebook.set_current_page (atoi (prop->value ()));
2411         }
2412
2413         if ((prop = node.property (X_("show-marker-lines")))) {
2414                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-marker-lines"));
2415                 assert (act);
2416                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic (act);
2417                 bool yn = string_is_affirmative (prop->value ());
2418
2419                 tact->set_active (!yn);
2420                 tact->set_active (yn);
2421         }
2422
2423         XMLNodeList children = node.children ();
2424         for (XMLNodeList::const_iterator i = children.begin(); i != children.end(); ++i) {
2425                 selection->set_state (**i, Stateful::current_state_version);
2426                 _regions->set_state (**i);
2427         }
2428
2429         if ((prop = node.property ("maximised"))) {
2430                 bool yn = string_is_affirmative (prop->value());
2431                 if (yn) {
2432                         ActionManager::do_action ("Common", "ToggleMaximalEditor");
2433                 }
2434         }
2435
2436         if ((prop = node.property ("nudge-clock-value"))) {
2437                 framepos_t f;
2438                 sscanf (prop->value().c_str(), "%" PRId64, &f);
2439                 nudge_clock->set (f);
2440         } else {
2441                 nudge_clock->set_mode (AudioClock::Timecode);
2442                 nudge_clock->set (_session->frame_rate() * 5, true);
2443         }
2444
2445         return 0;
2446 }
2447
2448 XMLNode&
2449 Editor::get_state ()
2450 {
2451         XMLNode* node = new XMLNode ("Editor");
2452         char buf[32];
2453
2454         id().print (buf, sizeof (buf));
2455         node->add_property ("id", buf);
2456
2457         if (is_realized()) {
2458                 Glib::RefPtr<Gdk::Window> win = get_window();
2459
2460                 int x, y, width, height;
2461                 win->get_root_origin(x, y);
2462                 win->get_size(width, height);
2463
2464                 XMLNode* geometry = new XMLNode ("geometry");
2465
2466                 snprintf(buf, sizeof(buf), "%d", width);
2467                 geometry->add_property("x-size", string(buf));
2468                 snprintf(buf, sizeof(buf), "%d", height);
2469                 geometry->add_property("y-size", string(buf));
2470                 snprintf(buf, sizeof(buf), "%d", x);
2471                 geometry->add_property("x-pos", string(buf));
2472                 snprintf(buf, sizeof(buf), "%d", y);
2473                 geometry->add_property("y-pos", string(buf));
2474                 snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (static_cast<Paned*>(&edit_pane)->gobj()));
2475                 geometry->add_property("edit-horizontal-pane-pos", string(buf));
2476                 geometry->add_property("notebook-shrunk", _notebook_shrunk ? "1" : "0");
2477                 snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (static_cast<Paned*>(&editor_summary_pane)->gobj()));
2478                 geometry->add_property("edit-vertical-pane-pos", string(buf));
2479
2480                 node->add_child_nocopy (*geometry);
2481         }
2482
2483         maybe_add_mixer_strip_width (*node);
2484
2485         node->add_property ("zoom-focus", enum_2_string (zoom_focus));
2486         snprintf (buf, sizeof(buf), "%f", frames_per_unit);
2487         node->add_property ("zoom", buf);
2488         node->add_property ("snap-to", enum_2_string (_snap_type));
2489         node->add_property ("snap-mode", enum_2_string (_snap_mode));
2490         node->add_property ("internal-snap-to", enum_2_string (internal_snap_type));
2491         node->add_property ("internal-snap-mode", enum_2_string (internal_snap_mode));
2492         node->add_property ("pre-internal-snap-to", enum_2_string (pre_internal_snap_type));
2493         node->add_property ("pre-internal-snap-mode", enum_2_string (pre_internal_snap_mode));
2494         node->add_property ("edit-point", enum_2_string (_edit_point));
2495
2496         snprintf (buf, sizeof (buf), "%" PRIi64, playhead_cursor->current_frame);
2497         node->add_property ("playhead", buf);
2498         snprintf (buf, sizeof (buf), "%" PRIi64, leftmost_frame);
2499         node->add_property ("left-frame", buf);
2500         snprintf (buf, sizeof (buf), "%f", vertical_adjustment.get_value ());
2501         node->add_property ("y-origin", buf);
2502
2503         node->add_property ("show-measures", _show_measures ? "yes" : "no");
2504         node->add_property ("maximised", _maximised ? "yes" : "no");
2505         node->add_property ("follow-playhead", _follow_playhead ? "yes" : "no");
2506         node->add_property ("stationary-playhead", _stationary_playhead ? "yes" : "no");
2507         node->add_property ("region-list-sort-type", enum_2_string (_regions->sort_type ()));
2508         node->add_property ("mouse-mode", enum2str(mouse_mode));
2509         node->add_property ("internal-edit", _internal_editing ? "yes" : "no");
2510         node->add_property ("join-object-range", smart_mode_action->get_active () ? "yes" : "no");
2511
2512         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2513         if (act) {
2514                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2515                 node->add_property (X_("show-editor-mixer"), tact->get_active() ? "yes" : "no");
2516         }
2517
2518         act = ActionManager::get_action (X_("Editor"), X_("show-editor-list"));
2519         if (act) {
2520                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2521                 node->add_property (X_("show-editor-list"), tact->get_active() ? "yes" : "no");
2522         }
2523
2524         snprintf (buf, sizeof (buf), "%d", _the_notebook.get_current_page ());
2525         node->add_property (X_("editor-list-page"), buf);
2526
2527         if (button_bindings) {
2528                 XMLNode* bb = new XMLNode (X_("Buttons"));
2529                 button_bindings->save (*bb);
2530                 node->add_child_nocopy (*bb);
2531         }
2532
2533         node->add_property (X_("show-marker-lines"), _show_marker_lines ? "yes" : "no");
2534
2535         node->add_child_nocopy (selection->get_state ());
2536         node->add_child_nocopy (_regions->get_state ());
2537
2538         snprintf (buf, sizeof (buf), "%" PRId64, nudge_clock->current_duration());
2539         node->add_property ("nudge-clock-value", buf);
2540
2541         return *node;
2542 }
2543
2544
2545
2546 /** @param y y offset from the top of all trackviews.
2547  *  @return pair: TimeAxisView that y is over, layer index.
2548  *  TimeAxisView may be 0.  Layer index is the layer number if the TimeAxisView is valid and is
2549  *  in stacked or expanded region display mode, otherwise 0.
2550  */
2551 std::pair<TimeAxisView *, double>
2552 Editor::trackview_by_y_position (double y)
2553 {
2554         for (TrackViewList::iterator iter = track_views.begin(); iter != track_views.end(); ++iter) {
2555
2556                 std::pair<TimeAxisView*, double> const r = (*iter)->covers_y_position (y);
2557                 if (r.first) {
2558                         return r;
2559                 }
2560         }
2561
2562         return std::make_pair ( (TimeAxisView *) 0, 0);
2563 }
2564
2565 /** Snap a position to the grid, if appropriate, taking into account current
2566  *  grid settings and also the state of any snap modifier keys that may be pressed.
2567  *  @param start Position to snap.
2568  *  @param event Event to get current key modifier information from, or 0.
2569  */
2570 void
2571 Editor::snap_to_with_modifier (framepos_t& start, GdkEvent const * event, int32_t direction, bool for_mark)
2572 {
2573         if (!_session || !event) {
2574                 return;
2575         }
2576
2577         if (Keyboard::modifier_state_contains (event->button.state, Keyboard::snap_modifier())) {
2578                 if (_snap_mode == SnapOff) {
2579                         snap_to_internal (start, direction, for_mark);
2580                 }
2581         } else {
2582                 if (_snap_mode != SnapOff) {
2583                         snap_to_internal (start, direction, for_mark);
2584                 }
2585         }
2586 }
2587
2588 void
2589 Editor::snap_to (framepos_t& start, int32_t direction, bool for_mark)
2590 {
2591         if (!_session || _snap_mode == SnapOff) {
2592                 return;
2593         }
2594
2595         snap_to_internal (start, direction, for_mark);
2596 }
2597
2598 void
2599 Editor::timecode_snap_to_internal (framepos_t& start, int32_t direction, bool /*for_mark*/)
2600 {
2601         const framepos_t one_timecode_second = (framepos_t)(rint(_session->timecode_frames_per_second()) * _session->frames_per_timecode_frame());
2602         framepos_t one_timecode_minute = (framepos_t)(rint(_session->timecode_frames_per_second()) * _session->frames_per_timecode_frame() * 60);
2603
2604         switch (_snap_type) {
2605         case SnapToTimecodeFrame:
2606                 if (((direction == 0) && (fmod((double)start, (double)_session->frames_per_timecode_frame()) > (_session->frames_per_timecode_frame() / 2))) || (direction > 0)) {
2607                         start = (framepos_t) (ceil ((double) start / _session->frames_per_timecode_frame()) * _session->frames_per_timecode_frame());
2608                 } else {
2609                         start = (framepos_t) (floor ((double) start / _session->frames_per_timecode_frame()) *  _session->frames_per_timecode_frame());
2610                 }
2611                 break;
2612
2613         case SnapToTimecodeSeconds:
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_second > one_timecode_second / 2)) || direction > 0) {
2620                         start = (framepos_t) ceil ((double) start / one_timecode_second) * one_timecode_second;
2621                 } else {
2622                         start = (framepos_t) floor ((double) start / one_timecode_second) * one_timecode_second;
2623                 }
2624
2625                 if (_session->config.get_timecode_offset_negative()) {
2626                         start -= _session->config.get_timecode_offset ();
2627                 } else {
2628                         start += _session->config.get_timecode_offset ();
2629                 }
2630                 break;
2631
2632         case SnapToTimecodeMinutes:
2633                 if (_session->config.get_timecode_offset_negative()) {
2634                         start += _session->config.get_timecode_offset ();
2635                 } else {
2636                         start -= _session->config.get_timecode_offset ();
2637                 }
2638                 if (((direction == 0) && (start % one_timecode_minute > one_timecode_minute / 2)) || direction > 0) {
2639                         start = (framepos_t) ceil ((double) start / one_timecode_minute) * one_timecode_minute;
2640                 } else {
2641                         start = (framepos_t) floor ((double) start / one_timecode_minute) * one_timecode_minute;
2642                 }
2643                 if (_session->config.get_timecode_offset_negative()) {
2644                         start -= _session->config.get_timecode_offset ();
2645                 } else {
2646                         start += _session->config.get_timecode_offset ();
2647                 }
2648                 break;
2649         default:
2650                 fatal << "Editor::smpte_snap_to_internal() called with non-timecode snap type!" << endmsg;
2651                 /*NOTREACHED*/
2652         }
2653 }
2654
2655 void
2656 Editor::snap_to_internal (framepos_t& start, int32_t direction, bool for_mark)
2657 {
2658         const framepos_t one_second = _session->frame_rate();
2659         const framepos_t one_minute = _session->frame_rate() * 60;
2660         framepos_t presnap = start;
2661         framepos_t before;
2662         framepos_t after;
2663
2664         switch (_snap_type) {
2665         case SnapToTimecodeFrame:
2666         case SnapToTimecodeSeconds:
2667         case SnapToTimecodeMinutes:
2668                 return timecode_snap_to_internal (start, direction, for_mark);
2669
2670         case SnapToCDFrame:
2671                 if (((direction == 0) && (start % (one_second/75) > (one_second/75) / 2)) || (direction > 0)) {
2672                         start = (framepos_t) ceil ((double) start / (one_second / 75)) * (one_second / 75);
2673                 } else {
2674                         start = (framepos_t) floor ((double) start / (one_second / 75)) * (one_second / 75);
2675                 }
2676                 break;
2677
2678         case SnapToSeconds:
2679                 if (((direction == 0) && (start % one_second > one_second / 2)) || (direction > 0)) {
2680                         start = (framepos_t) ceil ((double) start / one_second) * one_second;
2681                 } else {
2682                         start = (framepos_t) floor ((double) start / one_second) * one_second;
2683                 }
2684                 break;
2685
2686         case SnapToMinutes:
2687                 if (((direction == 0) && (start % one_minute > one_minute / 2)) || (direction > 0)) {
2688                         start = (framepos_t) ceil ((double) start / one_minute) * one_minute;
2689                 } else {
2690                         start = (framepos_t) floor ((double) start / one_minute) * one_minute;
2691                 }
2692                 break;
2693
2694         case SnapToBar:
2695                 start = _session->tempo_map().round_to_bar (start, direction);
2696                 break;
2697
2698         case SnapToBeat:
2699                 start = _session->tempo_map().round_to_beat (start, direction);
2700                 break;
2701
2702         case SnapToBeatDiv128:
2703                 start = _session->tempo_map().round_to_beat_subdivision (start, 128, direction);
2704                 break;
2705         case SnapToBeatDiv64:
2706                 start = _session->tempo_map().round_to_beat_subdivision (start, 64, direction);
2707                 break;
2708         case SnapToBeatDiv32:
2709                 start = _session->tempo_map().round_to_beat_subdivision (start, 32, direction);
2710                 break;
2711         case SnapToBeatDiv28:
2712                 start = _session->tempo_map().round_to_beat_subdivision (start, 28, direction);
2713                 break;
2714         case SnapToBeatDiv24:
2715                 start = _session->tempo_map().round_to_beat_subdivision (start, 24, direction);
2716                 break;
2717         case SnapToBeatDiv20:
2718                 start = _session->tempo_map().round_to_beat_subdivision (start, 20, direction);
2719                 break;
2720         case SnapToBeatDiv16:
2721                 start = _session->tempo_map().round_to_beat_subdivision (start, 16, direction);
2722                 break;
2723         case SnapToBeatDiv14:
2724                 start = _session->tempo_map().round_to_beat_subdivision (start, 14, direction);
2725                 break;
2726         case SnapToBeatDiv12:
2727                 start = _session->tempo_map().round_to_beat_subdivision (start, 12, direction);
2728                 break;
2729         case SnapToBeatDiv10:
2730                 start = _session->tempo_map().round_to_beat_subdivision (start, 10, direction);
2731                 break;
2732         case SnapToBeatDiv8:
2733                 start = _session->tempo_map().round_to_beat_subdivision (start, 8, direction);
2734                 break;
2735         case SnapToBeatDiv7:
2736                 start = _session->tempo_map().round_to_beat_subdivision (start, 7, direction);
2737                 break;
2738         case SnapToBeatDiv6:
2739                 start = _session->tempo_map().round_to_beat_subdivision (start, 6, direction);
2740                 break;
2741         case SnapToBeatDiv5:
2742                 start = _session->tempo_map().round_to_beat_subdivision (start, 5, direction);
2743                 break;
2744         case SnapToBeatDiv4:
2745                 start = _session->tempo_map().round_to_beat_subdivision (start, 4, direction);
2746                 break;
2747         case SnapToBeatDiv3:
2748                 start = _session->tempo_map().round_to_beat_subdivision (start, 3, direction);
2749                 break;
2750         case SnapToBeatDiv2:
2751                 start = _session->tempo_map().round_to_beat_subdivision (start, 2, direction);
2752                 break;
2753
2754         case SnapToMark:
2755                 if (for_mark) {
2756                         return;
2757                 }
2758
2759                 _session->locations()->marks_either_side (start, before, after);
2760
2761                 if (before == max_framepos && after == max_framepos) {
2762                         /* No marks to snap to, so just don't snap */
2763                         return;
2764                 } else if (before == max_framepos) {
2765                         start = after;
2766                 } else if (after == max_framepos) {
2767                         start = before;
2768                 } else if (before != max_framepos && after != max_framepos) {
2769                         /* have before and after */
2770                         if ((start - before) < (after - start)) {
2771                                 start = before;
2772                         } else {
2773                                 start = after;
2774                         }
2775                 }
2776
2777                 break;
2778
2779         case SnapToRegionStart:
2780         case SnapToRegionEnd:
2781         case SnapToRegionSync:
2782         case SnapToRegionBoundary:
2783                 if (!region_boundary_cache.empty()) {
2784
2785                         vector<framepos_t>::iterator prev = region_boundary_cache.end ();
2786                         vector<framepos_t>::iterator next = region_boundary_cache.end ();
2787
2788                         if (direction > 0) {
2789                                 next = std::upper_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2790                         } else {
2791                                 next = std::lower_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2792                         }
2793
2794                         if (next != region_boundary_cache.begin ()) {
2795                                 prev = next;
2796                                 prev--;
2797                         }
2798
2799                         framepos_t const p = (prev == region_boundary_cache.end()) ? region_boundary_cache.front () : *prev;
2800                         framepos_t const n = (next == region_boundary_cache.end()) ? region_boundary_cache.back () : *next;
2801
2802                         if (start > (p + n) / 2) {
2803                                 start = n;
2804                         } else {
2805                                 start = p;
2806                         }
2807                 }
2808                 break;
2809         }
2810
2811         switch (_snap_mode) {
2812         case SnapNormal:
2813                 return;
2814
2815         case SnapMagnetic:
2816
2817                 if (presnap > start) {
2818                         if (presnap > (start + unit_to_frame(snap_threshold))) {
2819                                 start = presnap;
2820                         }
2821
2822                 } else if (presnap < start) {
2823                         if (presnap < (start - unit_to_frame(snap_threshold))) {
2824                                 start = presnap;
2825                         }
2826                 }
2827
2828         default:
2829                 /* handled at entry */
2830                 return;
2831
2832         }
2833 }
2834
2835
2836 void
2837 Editor::setup_toolbar ()
2838 {
2839         HBox* mode_box = manage(new HBox);
2840         mode_box->set_border_width (2);
2841         mode_box->set_spacing(4);
2842
2843         HBox* mouse_mode_box = manage (new HBox);
2844         HBox* mouse_mode_hbox = manage (new HBox);
2845         VBox* mouse_mode_vbox = manage (new VBox);
2846         Alignment* mouse_mode_align = manage (new Alignment);
2847
2848         Glib::RefPtr<SizeGroup> mouse_mode_size_group = SizeGroup::create (SIZE_GROUP_BOTH);
2849 //      mouse_mode_size_group->add_widget (smart_mode_button);
2850         mouse_mode_size_group->add_widget (mouse_move_button);
2851         mouse_mode_size_group->add_widget (mouse_select_button);
2852         mouse_mode_size_group->add_widget (mouse_zoom_button);
2853         mouse_mode_size_group->add_widget (mouse_gain_button);
2854         mouse_mode_size_group->add_widget (mouse_timefx_button);
2855         mouse_mode_size_group->add_widget (mouse_audition_button);
2856         mouse_mode_size_group->add_widget (mouse_draw_button);
2857         mouse_mode_size_group->add_widget (internal_edit_button);
2858
2859         /* make them just a bit bigger */
2860         mouse_move_button.set_size_request (-1, 25);
2861
2862         mouse_mode_hbox->set_spacing (2);
2863
2864         mouse_mode_hbox->pack_start (smart_mode_button, false, false);
2865         mouse_mode_hbox->pack_start (mouse_move_button, false, false);
2866         mouse_mode_hbox->pack_start (mouse_select_button, false, false);
2867         mouse_mode_hbox->pack_start (mouse_zoom_button, false, false);
2868         mouse_mode_hbox->pack_start (mouse_gain_button, false, false);
2869         mouse_mode_hbox->pack_start (mouse_timefx_button, false, false);
2870         mouse_mode_hbox->pack_start (mouse_audition_button, false, false);
2871         mouse_mode_hbox->pack_start (mouse_draw_button, false, false);
2872         mouse_mode_hbox->pack_start (internal_edit_button, false, false, 8);
2873
2874         mouse_mode_vbox->pack_start (*mouse_mode_hbox);
2875
2876         mouse_mode_align->add (*mouse_mode_vbox);
2877         mouse_mode_align->set (0.5, 1.0, 0.0, 0.0);
2878
2879         mouse_mode_box->pack_start (*mouse_mode_align, false, false);
2880
2881         edit_mode_strings.push_back (edit_mode_to_string (Slide));
2882         if (!Profile->get_sae()) {
2883                 edit_mode_strings.push_back (edit_mode_to_string (Splice));
2884         }
2885         edit_mode_strings.push_back (edit_mode_to_string (Lock));
2886
2887         edit_mode_selector.set_name ("EditModeSelector");
2888         set_popdown_strings (edit_mode_selector, edit_mode_strings);
2889         edit_mode_selector.signal_changed().connect (sigc::mem_fun(*this, &Editor::edit_mode_selection_done));
2890
2891         mode_box->pack_start (edit_mode_selector, false, false);
2892         mode_box->pack_start (*mouse_mode_box, false, false);
2893
2894         _mouse_mode_tearoff = manage (new TearOff (*mode_box));
2895         _mouse_mode_tearoff->set_name ("MouseModeBase");
2896         _mouse_mode_tearoff->tearoff_window().signal_key_press_event().connect (sigc::bind (sigc::ptr_fun (relay_key_press), &_mouse_mode_tearoff->tearoff_window()), false);
2897
2898         if (Profile->get_sae()) {
2899                 _mouse_mode_tearoff->set_can_be_torn_off (false);
2900         }
2901
2902         _mouse_mode_tearoff->Detach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2903                                                          &_mouse_mode_tearoff->tearoff_window()));
2904         _mouse_mode_tearoff->Attach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2905                                                          &_mouse_mode_tearoff->tearoff_window(), 1));
2906         _mouse_mode_tearoff->Hidden.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2907                                                          &_mouse_mode_tearoff->tearoff_window()));
2908         _mouse_mode_tearoff->Visible.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2909                                                           &_mouse_mode_tearoff->tearoff_window(), 1));
2910
2911         /* Zoom */
2912
2913         _zoom_box.set_spacing (2);
2914         _zoom_box.set_border_width (2);
2915
2916         RefPtr<Action> act;
2917
2918         zoom_in_button.set_name ("zoom button");
2919         zoom_in_button.add (*(manage (new Image (::get_icon ("zoom_in")))));
2920         act = ActionManager::get_action (X_("Editor"), X_("temporal-zoom-in"));
2921         act->connect_proxy (zoom_in_button);
2922
2923         zoom_out_button.set_name ("zoom button");
2924         zoom_out_button.add (*(manage (new Image (::get_icon ("zoom_out")))));
2925         act = ActionManager::get_action (X_("Editor"), X_("temporal-zoom-out"));
2926         act->connect_proxy (zoom_out_button);
2927
2928         zoom_out_full_button.set_name ("zoom button");
2929         zoom_out_full_button.add (*(manage (new Image (::get_icon ("zoom_full")))));
2930         act = ActionManager::get_action (X_("Editor"), X_("zoom-to-session"));
2931         act->connect_proxy (zoom_out_full_button);
2932
2933         zoom_focus_selector.set_name ("ZoomFocusSelector");
2934         set_popdown_strings (zoom_focus_selector, zoom_focus_strings);
2935         zoom_focus_selector.signal_changed().connect (sigc::mem_fun(*this, &Editor::zoom_focus_selection_done));
2936
2937         _zoom_box.pack_start (zoom_out_button, false, false);
2938         _zoom_box.pack_start (zoom_in_button, false, false);
2939         _zoom_box.pack_start (zoom_out_full_button, false, false);
2940
2941         _zoom_box.pack_start (zoom_focus_selector, false, false);
2942
2943         /* Track zoom buttons */
2944         tav_expand_button.set_name ("TrackHeightButton");
2945         tav_expand_button.set_size_request (-1, 20);
2946         tav_expand_button.add (*(manage (new Image (::get_icon ("tav_exp")))));
2947         act = ActionManager::get_action (X_("Editor"), X_("expand-tracks"));
2948         act->connect_proxy (tav_expand_button);
2949
2950         tav_shrink_button.set_name ("TrackHeightButton");
2951         tav_shrink_button.set_size_request (-1, 20);
2952         tav_shrink_button.add (*(manage (new Image (::get_icon ("tav_shrink")))));
2953         act = ActionManager::get_action (X_("Editor"), X_("shrink-tracks"));
2954         act->connect_proxy (tav_shrink_button);
2955
2956         _zoom_box.pack_start (tav_shrink_button);
2957         _zoom_box.pack_start (tav_expand_button);
2958
2959         _zoom_tearoff = manage (new TearOff (_zoom_box));
2960
2961         _zoom_tearoff->Detach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2962                                                    &_zoom_tearoff->tearoff_window()));
2963         _zoom_tearoff->Attach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2964                                                    &_zoom_tearoff->tearoff_window(), 0));
2965         _zoom_tearoff->Hidden.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2966                                                    &_zoom_tearoff->tearoff_window()));
2967         _zoom_tearoff->Visible.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2968                                                     &_zoom_tearoff->tearoff_window(), 0));
2969
2970         snap_box.set_spacing (1);
2971         snap_box.set_border_width (2);
2972
2973         snap_type_selector.set_name ("SnapTypeSelector");
2974         set_popdown_strings (snap_type_selector, snap_type_strings);
2975         snap_type_selector.signal_changed().connect (sigc::mem_fun(*this, &Editor::snap_type_selection_done));
2976
2977         snap_mode_selector.set_name ("SnapModeSelector");
2978         set_popdown_strings (snap_mode_selector, snap_mode_strings);
2979         snap_mode_selector.signal_changed().connect (sigc::mem_fun(*this, &Editor::snap_mode_selection_done));
2980
2981         edit_point_selector.set_name ("EditPointSelector");
2982         set_popdown_strings (edit_point_selector, edit_point_strings);
2983         edit_point_selector.signal_changed().connect (sigc::mem_fun(*this, &Editor::edit_point_selection_done));
2984
2985         snap_box.pack_start (snap_mode_selector, false, false);
2986         snap_box.pack_start (snap_type_selector, false, false);
2987         snap_box.pack_start (edit_point_selector, false, false);
2988
2989         /* Nudge */
2990
2991         HBox *nudge_box = manage (new HBox);
2992         nudge_box->set_spacing (2);
2993         nudge_box->set_border_width (2);
2994
2995         nudge_forward_button.signal_button_release_event().connect (sigc::mem_fun(*this, &Editor::nudge_forward_release), false);
2996         nudge_backward_button.signal_button_release_event().connect (sigc::mem_fun(*this, &Editor::nudge_backward_release), false);
2997
2998         nudge_box->pack_start (nudge_backward_button, false, false);
2999         nudge_box->pack_start (nudge_forward_button, false, false);
3000         nudge_box->pack_start (*nudge_clock, false, false);
3001
3002
3003         /* Pack everything in... */
3004
3005         HBox* hbox = manage (new HBox);
3006         hbox->set_spacing(10);
3007
3008         _tools_tearoff = manage (new TearOff (*hbox));
3009         _tools_tearoff->set_name ("MouseModeBase");
3010         _tools_tearoff->tearoff_window().signal_key_press_event().connect (sigc::bind (sigc::ptr_fun (relay_key_press), &_tools_tearoff->tearoff_window()), false);
3011
3012         if (Profile->get_sae()) {
3013                 _tools_tearoff->set_can_be_torn_off (false);
3014         }
3015
3016         _tools_tearoff->Detach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
3017                                                     &_tools_tearoff->tearoff_window()));
3018         _tools_tearoff->Attach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
3019                                                     &_tools_tearoff->tearoff_window(), 0));
3020         _tools_tearoff->Hidden.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
3021                                                     &_tools_tearoff->tearoff_window()));
3022         _tools_tearoff->Visible.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
3023                                                      &_tools_tearoff->tearoff_window(), 0));
3024
3025         toolbar_hbox.set_spacing (10);
3026         toolbar_hbox.set_border_width (1);
3027
3028         toolbar_hbox.pack_start (*_mouse_mode_tearoff, false, false);
3029         toolbar_hbox.pack_start (*_zoom_tearoff, false, false);
3030         toolbar_hbox.pack_start (*_tools_tearoff, false, false);
3031
3032         hbox->pack_start (snap_box, false, false);
3033         if (!Profile->get_small_screen()) {
3034                 hbox->pack_start (*nudge_box, false, false);
3035         } else {
3036                 ARDOUR_UI::instance()->editor_transport_box().pack_start (*nudge_box, false, false);
3037         }
3038         hbox->pack_start (panic_box, false, false);
3039
3040         hbox->show_all ();
3041
3042         toolbar_base.set_name ("ToolBarBase");
3043         toolbar_base.add (toolbar_hbox);
3044
3045         _toolbar_viewport.add (toolbar_base);
3046         /* stick to the required height but allow width to vary if there's not enough room */
3047         _toolbar_viewport.set_size_request (1, -1);
3048
3049         toolbar_frame.set_shadow_type (SHADOW_OUT);
3050         toolbar_frame.set_name ("BaseFrame");
3051         toolbar_frame.add (_toolbar_viewport);
3052 }
3053
3054 void
3055 Editor::setup_tooltips ()
3056 {
3057         ARDOUR_UI::instance()->set_tip (smart_mode_button, _("Smart Mode (add Range functions to Object mode)"));
3058         ARDOUR_UI::instance()->set_tip (mouse_move_button, _("Object Mode (select/move Objects)"));
3059         ARDOUR_UI::instance()->set_tip (mouse_select_button, _("Range Mode (select/move Ranges)"));
3060         ARDOUR_UI::instance()->set_tip (mouse_draw_button, _("Draw/Edit MIDI Notes"));
3061         ARDOUR_UI::instance()->set_tip (mouse_gain_button, _("Draw Region Gain"));
3062         ARDOUR_UI::instance()->set_tip (mouse_zoom_button, _("Select Zoom Range"));
3063         ARDOUR_UI::instance()->set_tip (mouse_timefx_button, _("Stretch/Shrink Regions and MIDI Notes"));
3064         ARDOUR_UI::instance()->set_tip (mouse_audition_button, _("Listen to Specific Regions"));
3065         ARDOUR_UI::instance()->set_tip (internal_edit_button, _("Note Level Editing"));
3066         ARDOUR_UI::instance()->set_tip (*_group_tabs, _("Groups: click to (de)activate\nContext-click for other operations"));
3067         ARDOUR_UI::instance()->set_tip (nudge_forward_button, _("Nudge Region/Selection Later"));
3068         ARDOUR_UI::instance()->set_tip (nudge_backward_button, _("Nudge Region/Selection Earlier"));
3069         ARDOUR_UI::instance()->set_tip (zoom_in_button, _("Zoom In"));
3070         ARDOUR_UI::instance()->set_tip (zoom_out_button, _("Zoom Out"));
3071         ARDOUR_UI::instance()->set_tip (zoom_out_full_button, _("Zoom to Session"));
3072         ARDOUR_UI::instance()->set_tip (zoom_focus_selector, _("Zoom focus"));
3073         ARDOUR_UI::instance()->set_tip (tav_expand_button, _("Expand Tracks"));
3074         ARDOUR_UI::instance()->set_tip (tav_shrink_button, _("Shrink Tracks"));
3075         ARDOUR_UI::instance()->set_tip (snap_type_selector, _("Snap/Grid Units"));
3076         ARDOUR_UI::instance()->set_tip (snap_mode_selector, _("Snap/Grid Mode"));
3077         ARDOUR_UI::instance()->set_tip (edit_point_selector, _("Edit point"));
3078         ARDOUR_UI::instance()->set_tip (edit_mode_selector, _("Edit Mode"));
3079         ARDOUR_UI::instance()->set_tip (nudge_clock, _("Nudge Clock\n(controls distance used to nudge regions and selections)"));
3080 }
3081
3082 int
3083 Editor::convert_drop_to_paths (
3084                 vector<string>&                paths,
3085                 const RefPtr<Gdk::DragContext>& /*context*/,
3086                 gint                            /*x*/,
3087                 gint                            /*y*/,
3088                 const SelectionData&            data,
3089                 guint                           /*info*/,
3090                 guint                           /*time*/)
3091 {
3092         if (_session == 0) {
3093                 return -1;
3094         }
3095
3096         vector<string> uris = data.get_uris();
3097
3098         if (uris.empty()) {
3099
3100                 /* This is seriously fucked up. Nautilus doesn't say that its URI lists
3101                    are actually URI lists. So do it by hand.
3102                 */
3103
3104                 if (data.get_target() != "text/plain") {
3105                         return -1;
3106                 }
3107
3108                 /* Parse the "uri-list" format that Nautilus provides,
3109                    where each pathname is delimited by \r\n.
3110
3111                    THERE MAY BE NO NULL TERMINATING CHAR!!!
3112                 */
3113
3114                 string txt = data.get_text();
3115                 const char* p;
3116                 const char* q;
3117
3118                 p = (const char *) malloc (txt.length() + 1);
3119                 txt.copy (const_cast<char *> (p), txt.length(), 0);
3120                 const_cast<char*>(p)[txt.length()] = '\0';
3121
3122                 while (p)
3123                 {
3124                         if (*p != '#')
3125                         {
3126                                 while (g_ascii_isspace (*p))
3127                                         p++;
3128
3129                                 q = p;
3130                                 while (*q && (*q != '\n') && (*q != '\r')) {
3131                                         q++;
3132                                 }
3133
3134                                 if (q > p)
3135                                 {
3136                                         q--;
3137                                         while (q > p && g_ascii_isspace (*q))
3138                                                 q--;
3139
3140                                         if (q > p)
3141                                         {
3142                                                 uris.push_back (string (p, q - p + 1));
3143                                         }
3144                                 }
3145                         }
3146                         p = strchr (p, '\n');
3147                         if (p)
3148                                 p++;
3149                 }
3150
3151                 free ((void*)p);
3152
3153                 if (uris.empty()) {
3154                         return -1;
3155                 }
3156         }
3157
3158         for (vector<string>::iterator i = uris.begin(); i != uris.end(); ++i) {
3159
3160                 if ((*i).substr (0,7) == "file://") {
3161
3162                         string const p = PBD::url_decode (*i);
3163
3164                         // scan forward past three slashes
3165
3166                         string::size_type slashcnt = 0;
3167                         string::size_type n = 0;
3168                         string::const_iterator x = p.begin();
3169
3170                         while (slashcnt < 3 && x != p.end()) {
3171                                 if ((*x) == '/') {
3172                                         slashcnt++;
3173                                 } else if (slashcnt == 3) {
3174                                         break;
3175                                 }
3176                                 ++n;
3177                                 ++x;
3178                         }
3179
3180                         if (slashcnt != 3 || x == p.end()) {
3181                                 error << _("malformed URL passed to drag-n-drop code") << endmsg;
3182                                 continue;
3183                         }
3184
3185                         paths.push_back (p.substr (n - 1));
3186                 }
3187         }
3188
3189         return 0;
3190 }
3191
3192 void
3193 Editor::new_tempo_section ()
3194
3195 {
3196 }
3197
3198 void
3199 Editor::map_transport_state ()
3200 {
3201         ENSURE_GUI_THREAD (*this, &Editor::map_transport_state);
3202
3203         if (_session && _session->transport_stopped()) {
3204                 have_pending_keyboard_selection = false;
3205         }
3206
3207         update_loop_range_view (true);
3208 }
3209
3210 /* UNDO/REDO */
3211
3212 void
3213 Editor::begin_reversible_command (string name)
3214 {
3215         if (_session) {
3216                 _session->begin_reversible_command (name);
3217         }
3218 }
3219
3220 void
3221 Editor::begin_reversible_command (GQuark q)
3222 {
3223         if (_session) {
3224                 _session->begin_reversible_command (q);
3225         }
3226 }
3227
3228 void
3229 Editor::commit_reversible_command ()
3230 {
3231         if (_session) {
3232                 _session->commit_reversible_command ();
3233         }
3234 }
3235
3236 void
3237 Editor::history_changed ()
3238 {
3239         string label;
3240
3241         if (undo_action && _session) {
3242                 if (_session->undo_depth() == 0) {
3243                         label = S_("Command|Undo");
3244                 } else {
3245                         label = string_compose(S_("Command|Undo (%1)"), _session->next_undo());
3246                 }
3247                 undo_action->property_label() = label;
3248         }
3249
3250         if (redo_action && _session) {
3251                 if (_session->redo_depth() == 0) {
3252                         label = _("Redo");
3253                 } else {
3254                         label = string_compose(_("Redo (%1)"), _session->next_redo());
3255                 }
3256                 redo_action->property_label() = label;
3257         }
3258 }
3259
3260 void
3261 Editor::duplicate_range (bool with_dialog)
3262 {
3263         float times = 1.0f;
3264
3265         RegionSelection rs = get_regions_from_selection_and_entered ();
3266
3267         if ( selection->time.length() == 0 && rs.empty()) {
3268                 return;
3269         }
3270
3271         if (with_dialog) {
3272
3273                 ArdourDialog win (_("Duplicate"));
3274                 Label label (_("Number of duplications:"));
3275                 Adjustment adjustment (1.0, 1.0, 1000000.0, 1.0, 5.0);
3276                 SpinButton spinner (adjustment, 0.0, 1);
3277                 HBox hbox;
3278
3279                 win.get_vbox()->set_spacing (12);
3280                 win.get_vbox()->pack_start (hbox);
3281                 hbox.set_border_width (6);
3282                 hbox.pack_start (label, PACK_EXPAND_PADDING, 12);
3283
3284                 /* dialogs have ::add_action_widget() but that puts the spinner in the wrong
3285                    place, visually. so do this by hand.
3286                 */
3287
3288                 hbox.pack_start (spinner, PACK_EXPAND_PADDING, 12);
3289                 spinner.signal_activate().connect (sigc::bind (sigc::mem_fun (win, &ArdourDialog::response), RESPONSE_ACCEPT));
3290                 spinner.grab_focus();
3291
3292                 hbox.show ();
3293                 label.show ();
3294                 spinner.show ();
3295
3296                 win.add_button (Stock::CANCEL, RESPONSE_CANCEL);
3297                 win.add_button (_("Duplicate"), RESPONSE_ACCEPT);
3298                 win.set_default_response (RESPONSE_ACCEPT);
3299
3300                 win.set_position (WIN_POS_MOUSE);
3301
3302                 spinner.grab_focus ();
3303
3304                 switch (win.run ()) {
3305                 case RESPONSE_ACCEPT:
3306                         break;
3307                 default:
3308                         return;
3309                 }
3310
3311                 times = adjustment.get_value();
3312         }
3313
3314         if (selection->time.length() != 0) {
3315                 duplicate_selection (times);
3316         } else {
3317                 duplicate_some_regions (rs, times);
3318         }
3319 }
3320
3321 void
3322 Editor::set_edit_mode (EditMode m)
3323 {
3324         Config->set_edit_mode (m);
3325 }
3326
3327 void
3328 Editor::cycle_edit_mode ()
3329 {
3330         switch (Config->get_edit_mode()) {
3331         case Slide:
3332                 if (Profile->get_sae()) {
3333                         Config->set_edit_mode (Lock);
3334                 } else {
3335                         Config->set_edit_mode (Splice);
3336                 }
3337                 break;
3338         case Splice:
3339                 Config->set_edit_mode (Lock);
3340                 break;
3341         case Lock:
3342                 Config->set_edit_mode (Slide);
3343                 break;
3344         }
3345 }
3346
3347 void
3348 Editor::edit_mode_selection_done ()
3349 {
3350         string s = edit_mode_selector.get_active_text ();
3351
3352         if (!s.empty()) {
3353                 Config->set_edit_mode (string_to_edit_mode (s));
3354         }
3355 }
3356
3357 void
3358 Editor::snap_type_selection_done ()
3359 {
3360         string choice = snap_type_selector.get_active_text();
3361         SnapType snaptype = SnapToBeat;
3362
3363         if (choice == _("Beats/2")) {
3364                 snaptype = SnapToBeatDiv2;
3365         } else if (choice == _("Beats/3")) {
3366                 snaptype = SnapToBeatDiv3;
3367         } else if (choice == _("Beats/4")) {
3368                 snaptype = SnapToBeatDiv4;
3369         } else if (choice == _("Beats/5")) {
3370                 snaptype = SnapToBeatDiv5;
3371         } else if (choice == _("Beats/6")) {
3372                 snaptype = SnapToBeatDiv6;
3373         } else if (choice == _("Beats/7")) {
3374                 snaptype = SnapToBeatDiv7;
3375         } else if (choice == _("Beats/8")) {
3376                 snaptype = SnapToBeatDiv8;
3377         } else if (choice == _("Beats/10")) {
3378                 snaptype = SnapToBeatDiv10;
3379         } else if (choice == _("Beats/12")) {
3380                 snaptype = SnapToBeatDiv12;
3381         } else if (choice == _("Beats/14")) {
3382                 snaptype = SnapToBeatDiv14;
3383         } else if (choice == _("Beats/16")) {
3384                 snaptype = SnapToBeatDiv16;
3385         } else if (choice == _("Beats/20")) {
3386                 snaptype = SnapToBeatDiv20;
3387         } else if (choice == _("Beats/24")) {
3388                 snaptype = SnapToBeatDiv24;
3389         } else if (choice == _("Beats/28")) {
3390                 snaptype = SnapToBeatDiv28;
3391         } else if (choice == _("Beats/32")) {
3392                 snaptype = SnapToBeatDiv32;
3393         } else if (choice == _("Beats/64")) {
3394                 snaptype = SnapToBeatDiv64;
3395         } else if (choice == _("Beats/128")) {
3396                 snaptype = SnapToBeatDiv128;
3397         } else if (choice == _("Beats")) {
3398                 snaptype = SnapToBeat;
3399         } else if (choice == _("Bars")) {
3400                 snaptype = SnapToBar;
3401         } else if (choice == _("Marks")) {
3402                 snaptype = SnapToMark;
3403         } else if (choice == _("Region starts")) {
3404                 snaptype = SnapToRegionStart;
3405         } else if (choice == _("Region ends")) {
3406                 snaptype = SnapToRegionEnd;
3407         } else if (choice == _("Region bounds")) {
3408                 snaptype = SnapToRegionBoundary;
3409         } else if (choice == _("Region syncs")) {
3410                 snaptype = SnapToRegionSync;
3411         } else if (choice == _("CD Frames")) {
3412                 snaptype = SnapToCDFrame;
3413         } else if (choice == _("Timecode Frames")) {
3414                 snaptype = SnapToTimecodeFrame;
3415         } else if (choice == _("Timecode Seconds")) {
3416                 snaptype = SnapToTimecodeSeconds;
3417         } else if (choice == _("Timecode Minutes")) {
3418                 snaptype = SnapToTimecodeMinutes;
3419         } else if (choice == _("Seconds")) {
3420                 snaptype = SnapToSeconds;
3421         } else if (choice == _("Minutes")) {
3422                 snaptype = SnapToMinutes;
3423         }
3424
3425         RefPtr<RadioAction> ract = snap_type_action (snaptype);
3426         if (ract) {
3427                 ract->set_active ();
3428         }
3429 }
3430
3431 void
3432 Editor::snap_mode_selection_done ()
3433 {
3434         string choice = snap_mode_selector.get_active_text();
3435         SnapMode mode = SnapNormal;
3436
3437         if (choice == _("No Grid")) {
3438                 mode = SnapOff;
3439         } else if (choice == _("Grid")) {
3440                 mode = SnapNormal;
3441         } else if (choice == _("Magnetic")) {
3442                 mode = SnapMagnetic;
3443         }
3444
3445         RefPtr<RadioAction> ract = snap_mode_action (mode);
3446
3447         if (ract) {
3448                 ract->set_active (true);
3449         }
3450 }
3451
3452 void
3453 Editor::cycle_edit_point (bool with_marker)
3454 {
3455         switch (_edit_point) {
3456         case EditAtMouse:
3457                 set_edit_point_preference (EditAtPlayhead);
3458                 break;
3459         case EditAtPlayhead:
3460                 if (with_marker) {
3461                         set_edit_point_preference (EditAtSelectedMarker);
3462                 } else {
3463                         set_edit_point_preference (EditAtMouse);
3464                 }
3465                 break;
3466         case EditAtSelectedMarker:
3467                 set_edit_point_preference (EditAtMouse);
3468                 break;
3469         }
3470 }
3471
3472 void
3473 Editor::edit_point_selection_done ()
3474 {
3475         string choice = edit_point_selector.get_active_text();
3476         EditPoint ep = EditAtSelectedMarker;
3477
3478         if (choice == _("Marker")) {
3479                 set_edit_point_preference (EditAtSelectedMarker);
3480         } else if (choice == _("Playhead")) {
3481                 set_edit_point_preference (EditAtPlayhead);
3482         } else {
3483                 set_edit_point_preference (EditAtMouse);
3484         }
3485
3486         RefPtr<RadioAction> ract = edit_point_action (ep);
3487
3488         if (ract) {
3489                 ract->set_active (true);
3490         }
3491 }
3492
3493 void
3494 Editor::zoom_focus_selection_done ()
3495 {
3496         string choice = zoom_focus_selector.get_active_text();
3497         ZoomFocus focus_type = ZoomFocusLeft;
3498
3499         if (choice == _("Left")) {
3500                 focus_type = ZoomFocusLeft;
3501         } else if (choice == _("Right")) {
3502                 focus_type = ZoomFocusRight;
3503         } else if (choice == _("Center")) {
3504                 focus_type = ZoomFocusCenter;
3505         } else if (choice == _("Playhead")) {
3506                 focus_type = ZoomFocusPlayhead;
3507         } else if (choice == _("Mouse")) {
3508                 focus_type = ZoomFocusMouse;
3509         } else if (choice == _("Edit point")) {
3510                 focus_type = ZoomFocusEdit;
3511         }
3512
3513         RefPtr<RadioAction> ract = zoom_focus_action (focus_type);
3514
3515         if (ract) {
3516                 ract->set_active ();
3517         }
3518 }
3519
3520 bool
3521 Editor::edit_controls_button_release (GdkEventButton* ev)
3522 {
3523         if (Keyboard::is_context_menu_event (ev)) {
3524                 ARDOUR_UI::instance()->add_route (this);
3525         } else if (ev->button == 1) {
3526                 selection->clear_tracks ();
3527         }
3528
3529         return true;
3530 }
3531
3532 bool
3533 Editor::mouse_select_button_release (GdkEventButton* ev)
3534 {
3535         /* this handles just right-clicks */
3536
3537         if (ev->button != 3) {
3538                 return false;
3539         }
3540
3541         return true;
3542 }
3543
3544 void
3545 Editor::set_zoom_focus (ZoomFocus f)
3546 {
3547         string str = zoom_focus_strings[(int)f];
3548
3549         if (str != zoom_focus_selector.get_active_text()) {
3550                 zoom_focus_selector.set_active_text (str);
3551         }
3552
3553         if (zoom_focus != f) {
3554                 zoom_focus = f;
3555                 instant_save ();
3556         }
3557 }
3558
3559 void
3560 Editor::ensure_float (Window& win)
3561 {
3562         win.set_transient_for (*this);
3563 }
3564
3565 void
3566 Editor::pane_allocation_handler (Allocation &alloc, Paned* which)
3567 {
3568         /* recover or initialize pane positions. do this here rather than earlier because
3569            we don't want the positions to change the child allocations, which they seem to do.
3570          */
3571
3572         int pos;
3573         XMLProperty* prop;
3574         char buf[32];
3575         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
3576
3577         enum Pane {
3578                 Horizontal = 0x1,
3579                 Vertical = 0x2
3580         };
3581
3582         static Pane done;
3583
3584         XMLNode* geometry = find_named_node (*node, "geometry");
3585
3586         if (which == static_cast<Paned*> (&edit_pane)) {
3587
3588                 if (done & Horizontal) {
3589                         return;
3590                 }
3591
3592                 if (geometry && (prop = geometry->property ("notebook-shrunk"))) {
3593                         _notebook_shrunk = string_is_affirmative (prop->value ());
3594                 }
3595
3596                 if (!geometry || (prop = geometry->property ("edit-horizontal-pane-pos")) == 0) {
3597                         /* initial allocation is 90% to canvas, 10% to notebook */
3598                         pos = (int) floor (alloc.get_width() * 0.90f);
3599                         snprintf (buf, sizeof(buf), "%d", pos);
3600                 } else {
3601                         pos = atoi (prop->value());
3602                 }
3603
3604                 if (GTK_WIDGET(edit_pane.gobj())->allocation.width > pos) {
3605                         edit_pane.set_position (pos);
3606                 }
3607
3608                 done = (Pane) (done | Horizontal);
3609
3610         } else if (which == static_cast<Paned*> (&editor_summary_pane)) {
3611
3612                 if (done & Vertical) {
3613                         return;
3614                 }
3615
3616                 if (!geometry || (prop = geometry->property ("edit-vertical-pane-pos")) == 0) {
3617                         /* initial allocation is 90% to canvas, 10% to summary */
3618                         pos = (int) floor (alloc.get_height() * 0.90f);
3619                         snprintf (buf, sizeof(buf), "%d", pos);
3620                 } else {
3621
3622                         pos = atoi (prop->value());
3623                 }
3624
3625                 if (GTK_WIDGET(editor_summary_pane.gobj())->allocation.height > pos) {
3626                         editor_summary_pane.set_position (pos);
3627                 }
3628
3629                 done = (Pane) (done | Vertical);
3630         }
3631 }
3632
3633 void
3634 Editor::detach_tearoff (Box* /*b*/, Window* /*w*/)
3635 {
3636         if ((_tools_tearoff->torn_off() || !_tools_tearoff->visible()) &&
3637             (_mouse_mode_tearoff->torn_off() || !_mouse_mode_tearoff->visible()) &&
3638             (_zoom_tearoff->torn_off() || !_zoom_tearoff->visible())) {
3639                 top_hbox.remove (toolbar_frame);
3640         }
3641 }
3642
3643 void
3644 Editor::reattach_tearoff (Box* /*b*/, Window* /*w*/, int32_t /*n*/)
3645 {
3646         if (toolbar_frame.get_parent() == 0) {
3647                 top_hbox.pack_end (toolbar_frame);
3648         }
3649 }
3650
3651 void
3652 Editor::set_show_measures (bool yn)
3653 {
3654         if (_show_measures != yn) {
3655                 hide_measures ();
3656
3657                 if ((_show_measures = yn) == true) {
3658                         if (tempo_lines) {
3659                                 tempo_lines->show();
3660                         }
3661                         (void) redraw_measures ();
3662                 }
3663                 instant_save ();
3664         }
3665 }
3666
3667 void
3668 Editor::toggle_follow_playhead ()
3669 {
3670         RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
3671         if (act) {
3672                 RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
3673                 set_follow_playhead (tact->get_active());
3674         }
3675 }
3676
3677 /** @param yn true to follow playhead, otherwise false.
3678  *  @param catch_up true to reset the editor view to show the playhead (if yn == true), otherwise false.
3679  */
3680 void
3681 Editor::set_follow_playhead (bool yn, bool catch_up)
3682 {
3683         if (_follow_playhead != yn) {
3684                 if ((_follow_playhead = yn) == true && catch_up) {
3685                         /* catch up */
3686                         reset_x_origin_to_follow_playhead ();
3687                 }
3688                 instant_save ();
3689         }
3690 }
3691
3692 void
3693 Editor::toggle_stationary_playhead ()
3694 {
3695         RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-stationary-playhead"));
3696         if (act) {
3697                 RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
3698                 set_stationary_playhead (tact->get_active());
3699         }
3700 }
3701
3702 void
3703 Editor::set_stationary_playhead (bool yn)
3704 {
3705         if (_stationary_playhead != yn) {
3706                 if ((_stationary_playhead = yn) == true) {
3707                         /* catch up */
3708                         // FIXME need a 3.0 equivalent of this 2.X call
3709                         // update_current_screen ();
3710                 }
3711                 instant_save ();
3712         }
3713 }
3714
3715 PlaylistSelector&
3716 Editor::playlist_selector () const
3717 {
3718         return *_playlist_selector;
3719 }
3720
3721 Evoral::MusicalTime
3722 Editor::get_grid_type_as_beats (bool& success, framepos_t position)
3723 {
3724         success = true;
3725
3726         switch (_snap_type) {
3727         case SnapToBeat:
3728                 return 1.0;
3729                 break;
3730
3731         case SnapToBeatDiv128:
3732                 return 1.0/128.0;
3733                 break;
3734         case SnapToBeatDiv64:
3735                 return 1.0/64.0;
3736                 break;
3737         case SnapToBeatDiv32:
3738                 return 1.0/32.0;
3739                 break;
3740         case SnapToBeatDiv28:
3741                 return 1.0/28.0;
3742                 break;
3743         case SnapToBeatDiv24:
3744                 return 1.0/24.0;
3745                 break;
3746         case SnapToBeatDiv20:
3747                 return 1.0/20.0;
3748                 break;
3749         case SnapToBeatDiv16:
3750                 return 1.0/16.0;
3751                 break;
3752         case SnapToBeatDiv14:
3753                 return 1.0/14.0;
3754                 break;
3755         case SnapToBeatDiv12:
3756                 return 1.0/12.0;
3757                 break;
3758         case SnapToBeatDiv10:
3759                 return 1.0/10.0;
3760                 break;
3761         case SnapToBeatDiv8:
3762                 return 1.0/8.0;
3763                 break;
3764         case SnapToBeatDiv7:
3765                 return 1.0/7.0;
3766                 break;
3767         case SnapToBeatDiv6:
3768                 return 1.0/6.0;
3769                 break;
3770         case SnapToBeatDiv5:
3771                 return 1.0/5.0;
3772                 break;
3773         case SnapToBeatDiv4:
3774                 return 1.0/4.0;
3775                 break;
3776         case SnapToBeatDiv3:
3777                 return 1.0/3.0;
3778                 break;
3779         case SnapToBeatDiv2:
3780                 return 1.0/2.0;
3781                 break;
3782
3783         case SnapToBar:
3784                 if (_session) {
3785                         return _session->tempo_map().meter_at (position).divisions_per_bar();
3786                 }
3787                 break;
3788
3789         case SnapToCDFrame:
3790         case SnapToTimecodeFrame:
3791         case SnapToTimecodeSeconds:
3792         case SnapToTimecodeMinutes:
3793         case SnapToSeconds:
3794         case SnapToMinutes:
3795         case SnapToRegionStart:
3796         case SnapToRegionEnd:
3797         case SnapToRegionSync:
3798         case SnapToRegionBoundary:
3799         default:
3800                 success = false;
3801                 break;
3802         }
3803
3804         return 0.0;
3805 }
3806
3807 framecnt_t
3808 Editor::get_nudge_distance (framepos_t pos, framecnt_t& next)
3809 {
3810         framecnt_t ret;
3811
3812         ret = nudge_clock->current_duration (pos);
3813         next = ret + 1; /* XXXX fix me */
3814
3815         return ret;
3816 }
3817
3818 int
3819 Editor::playlist_deletion_dialog (boost::shared_ptr<Playlist> pl)
3820 {
3821         ArdourDialog dialog (_("Playlist Deletion"));
3822         Label  label (string_compose (_("Playlist %1 is currently unused.\n"
3823                                         "If it is kept, its audio files will not be cleaned.\n"
3824                                         "If it is deleted, audio files used by it alone will be cleaned."),
3825                                       pl->name()));
3826
3827         dialog.set_position (WIN_POS_CENTER);
3828         dialog.get_vbox()->pack_start (label);
3829
3830         label.show ();
3831
3832         dialog.add_button (_("Delete Playlist"), RESPONSE_ACCEPT);
3833         dialog.add_button (_("Keep Playlist"), RESPONSE_REJECT);
3834         dialog.add_button (_("Cancel"), RESPONSE_CANCEL);
3835
3836         switch (dialog.run ()) {
3837         case RESPONSE_ACCEPT:
3838                 /* delete the playlist */
3839                 return 0;
3840                 break;
3841
3842         case RESPONSE_REJECT:
3843                 /* keep the playlist */
3844                 return 1;
3845                 break;
3846
3847         default:
3848                 break;
3849         }
3850
3851         return -1;
3852 }
3853
3854 bool
3855 Editor::audio_region_selection_covers (framepos_t where)
3856 {
3857         for (RegionSelection::iterator a = selection->regions.begin(); a != selection->regions.end(); ++a) {
3858                 if ((*a)->region()->covers (where)) {
3859                         return true;
3860                 }
3861         }
3862
3863         return false;
3864 }
3865
3866 void
3867 Editor::prepare_for_cleanup ()
3868 {
3869         cut_buffer->clear_regions ();
3870         cut_buffer->clear_playlists ();
3871
3872         selection->clear_regions ();
3873         selection->clear_playlists ();
3874
3875         _regions->suspend_redisplay ();
3876 }
3877
3878 void
3879 Editor::finish_cleanup ()
3880 {
3881         _regions->resume_redisplay ();
3882 }
3883
3884 Location*
3885 Editor::transport_loop_location()
3886 {
3887         if (_session) {
3888                 return _session->locations()->auto_loop_location();
3889         } else {
3890                 return 0;
3891         }
3892 }
3893
3894 Location*
3895 Editor::transport_punch_location()
3896 {
3897         if (_session) {
3898                 return _session->locations()->auto_punch_location();
3899         } else {
3900                 return 0;
3901         }
3902 }
3903
3904 bool
3905 Editor::control_layout_scroll (GdkEventScroll* ev)
3906 {
3907         if (Keyboard::some_magic_widget_has_focus()) {
3908                 return false;
3909         }
3910
3911         switch (ev->direction) {
3912         case GDK_SCROLL_UP:
3913                 scroll_tracks_up_line ();
3914                 return true;
3915                 break;
3916
3917         case GDK_SCROLL_DOWN:
3918                 scroll_tracks_down_line ();
3919                 return true;
3920
3921         default:
3922                 /* no left/right handling yet */
3923                 break;
3924         }
3925
3926         return false;
3927 }
3928
3929 void
3930 Editor::session_state_saved (string)
3931 {
3932         update_title ();
3933         _snapshots->redisplay ();
3934 }
3935
3936 void
3937 Editor::update_tearoff_visibility()
3938 {
3939         bool visible = Config->get_keep_tearoffs();
3940         _mouse_mode_tearoff->set_visible (visible);
3941         _tools_tearoff->set_visible (visible);
3942         _zoom_tearoff->set_visible (visible);
3943 }
3944
3945 void
3946 Editor::maximise_editing_space ()
3947 {
3948         if (_maximised) {
3949                 return;
3950         }
3951
3952         fullscreen ();
3953
3954         _maximised = true;
3955 }
3956
3957 void
3958 Editor::restore_editing_space ()
3959 {
3960         if (!_maximised) {
3961                 return;
3962         }
3963
3964         unfullscreen();
3965
3966         _maximised = false;
3967 }
3968
3969 /**
3970  *  Make new playlists for a given track and also any others that belong
3971  *  to the same active route group with the `edit' property.
3972  *  @param v Track.
3973  */
3974
3975 void
3976 Editor::new_playlists (TimeAxisView* v)
3977 {
3978         begin_reversible_command (_("new playlists"));
3979         vector<boost::shared_ptr<ARDOUR::Playlist> > playlists;
3980         _session->playlists->get (playlists);
3981         mapover_tracks (sigc::bind (sigc::mem_fun (*this, &Editor::mapped_use_new_playlist), playlists), v, ARDOUR::Properties::edit.property_id);
3982         commit_reversible_command ();
3983 }
3984
3985 /**
3986  *  Use a copy of the current playlist for a given track and also any others that belong
3987  *  to the same active route group with the `edit' property.
3988  *  @param v Track.
3989  */
3990
3991 void
3992 Editor::copy_playlists (TimeAxisView* v)
3993 {
3994         begin_reversible_command (_("copy playlists"));
3995         vector<boost::shared_ptr<ARDOUR::Playlist> > playlists;
3996         _session->playlists->get (playlists);
3997         mapover_tracks (sigc::bind (sigc::mem_fun (*this, &Editor::mapped_use_copy_playlist), playlists), v, ARDOUR::Properties::edit.property_id);
3998         commit_reversible_command ();
3999 }
4000
4001 /** Clear the current playlist for a given track and also any others that belong
4002  *  to the same active route group with the `edit' property.
4003  *  @param v Track.
4004  */
4005
4006 void
4007 Editor::clear_playlists (TimeAxisView* v)
4008 {
4009         begin_reversible_command (_("clear playlists"));
4010         vector<boost::shared_ptr<ARDOUR::Playlist> > playlists;
4011         _session->playlists->get (playlists);
4012         mapover_tracks (sigc::mem_fun (*this, &Editor::mapped_clear_playlist), v, ARDOUR::Properties::edit.property_id);
4013         commit_reversible_command ();
4014 }
4015
4016 void
4017 Editor::mapped_use_new_playlist (RouteTimeAxisView& atv, uint32_t sz, vector<boost::shared_ptr<ARDOUR::Playlist> > const & playlists)
4018 {
4019         atv.use_new_playlist (sz > 1 ? false : true, playlists);
4020 }
4021
4022 void
4023 Editor::mapped_use_copy_playlist (RouteTimeAxisView& atv, uint32_t sz, vector<boost::shared_ptr<ARDOUR::Playlist> > const & playlists)
4024 {
4025         atv.use_copy_playlist (sz > 1 ? false : true, playlists);
4026 }
4027
4028 void
4029 Editor::mapped_clear_playlist (RouteTimeAxisView& atv, uint32_t /*sz*/)
4030 {
4031         atv.clear_playlist ();
4032 }
4033
4034 bool
4035 Editor::on_key_press_event (GdkEventKey* ev)
4036 {
4037         return key_press_focus_accelerator_handler (*this, ev);
4038 }
4039
4040 bool
4041 Editor::on_key_release_event (GdkEventKey* ev)
4042 {
4043         return Gtk::Window::on_key_release_event (ev);
4044         // return key_press_focus_accelerator_handler (*this, ev);
4045 }
4046
4047 /** Queue up a change to the viewport x origin.
4048  *  @param frame New x origin.
4049  */
4050 void
4051 Editor::reset_x_origin (framepos_t frame)
4052 {
4053         pending_visual_change.add (VisualChange::TimeOrigin);
4054         pending_visual_change.time_origin = frame;
4055         ensure_visual_change_idle_handler ();
4056 }
4057
4058 void
4059 Editor::reset_y_origin (double y)
4060 {
4061         pending_visual_change.add (VisualChange::YOrigin);
4062         pending_visual_change.y_origin = y;
4063         ensure_visual_change_idle_handler ();
4064 }
4065
4066 void
4067 Editor::reset_zoom (double fpu)
4068 {
4069         clamp_frames_per_unit (fpu);
4070
4071         if (fpu == frames_per_unit) {
4072                 return;
4073         }
4074
4075         pending_visual_change.add (VisualChange::ZoomLevel);
4076         pending_visual_change.frames_per_unit = fpu;
4077         ensure_visual_change_idle_handler ();
4078 }
4079
4080 void
4081 Editor::reposition_and_zoom (framepos_t frame, double fpu)
4082 {
4083         reset_x_origin (frame);
4084         reset_zoom (fpu);
4085
4086         if (!no_save_visual) {
4087                 undo_visual_stack.push_back (current_visual_state(false));
4088         }
4089 }
4090
4091 Editor::VisualState::VisualState (bool with_tracks)
4092         : gui_state (with_tracks ? new GUIObjectState : 0)
4093 {
4094 }
4095
4096 Editor::VisualState::~VisualState ()
4097 {
4098         delete gui_state;
4099 }
4100
4101 Editor::VisualState*
4102 Editor::current_visual_state (bool with_tracks)
4103 {
4104         VisualState* vs = new VisualState (with_tracks);
4105         vs->y_position = vertical_adjustment.get_value();
4106         vs->frames_per_unit = frames_per_unit;
4107         vs->leftmost_frame = leftmost_frame;
4108         vs->zoom_focus = zoom_focus;
4109
4110         if (with_tracks) {
4111                 *vs->gui_state = *ARDOUR_UI::instance()->gui_object_state;
4112         }
4113
4114         return vs;
4115 }
4116
4117 void
4118 Editor::undo_visual_state ()
4119 {
4120         if (undo_visual_stack.empty()) {
4121                 return;
4122         }
4123
4124         VisualState* vs = undo_visual_stack.back();
4125         undo_visual_stack.pop_back();
4126
4127
4128         redo_visual_stack.push_back (current_visual_state (vs ? vs->gui_state != 0 : false));
4129
4130         use_visual_state (*vs);
4131 }
4132
4133 void
4134 Editor::redo_visual_state ()
4135 {
4136         if (redo_visual_stack.empty()) {
4137                 return;
4138         }
4139
4140         VisualState* vs = redo_visual_stack.back();
4141         redo_visual_stack.pop_back();
4142
4143         undo_visual_stack.push_back (current_visual_state (vs ? vs->gui_state != 0 : false));
4144
4145         use_visual_state (*vs);
4146 }
4147
4148 void
4149 Editor::swap_visual_state ()
4150 {
4151         if (undo_visual_stack.empty()) {
4152                 redo_visual_state ();
4153         } else {
4154                 undo_visual_state ();
4155         }
4156 }
4157
4158 void
4159 Editor::use_visual_state (VisualState& vs)
4160 {
4161         PBD::Unwinder<bool> nsv (no_save_visual, true);
4162
4163         _routes->suspend_redisplay ();
4164
4165         vertical_adjustment.set_value (vs.y_position);
4166
4167         set_zoom_focus (vs.zoom_focus);
4168         reposition_and_zoom (vs.leftmost_frame, vs.frames_per_unit);
4169
4170         if (vs.gui_state) {
4171                 *ARDOUR_UI::instance()->gui_object_state = *vs.gui_state;
4172
4173                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
4174                         (*i)->reset_visual_state ();
4175                 }
4176         }
4177
4178         _routes->update_visibility ();
4179         _routes->resume_redisplay ();
4180 }
4181
4182 /** This is the core function that controls the zoom level of the canvas. It is called
4183  *  whenever one or more calls are made to reset_zoom().  It executes in an idle handler.
4184  *  @param fpu New frames per unit; should already have been clamped so that it is sensible.
4185  */
4186 void
4187 Editor::set_frames_per_unit (double fpu)
4188 {
4189         if (tempo_lines) {
4190                 tempo_lines->tempo_map_changed();
4191         }
4192
4193         frames_per_unit = fpu;
4194
4195         /* convert fpu to frame count */
4196
4197         framepos_t frames = (framepos_t) floor (frames_per_unit * _canvas_width);
4198
4199         if (frames_per_unit != zoom_range_clock->current_duration()) {
4200                 zoom_range_clock->set (frames);
4201         }
4202
4203         bool const showing_time_selection = selection->time.length() > 0;
4204
4205         if (showing_time_selection && selection->time.start () != selection->time.end_frame ()) {
4206                 for (TrackViewList::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
4207                         (*i)->reshow_selection (selection->time);
4208                 }
4209         }
4210
4211         ZoomChanged (); /* EMIT_SIGNAL */
4212
4213         //reset_scrolling_region ();
4214
4215         if (playhead_cursor) {
4216                 playhead_cursor->set_position (playhead_cursor->current_frame);
4217         }
4218
4219         refresh_location_display();
4220         _summary->set_overlays_dirty ();
4221
4222         update_marker_labels ();
4223
4224         instant_save ();
4225 }
4226
4227 void
4228 Editor::ensure_visual_change_idle_handler ()
4229 {
4230         if (pending_visual_change.idle_handler_id < 0) {
4231                 pending_visual_change.idle_handler_id = g_idle_add (_idle_visual_changer, this);
4232         }
4233 }
4234
4235 int
4236 Editor::_idle_visual_changer (void* arg)
4237 {
4238         return static_cast<Editor*>(arg)->idle_visual_changer ();
4239 }
4240
4241 int
4242 Editor::idle_visual_changer ()
4243 {
4244         /* set_horizontal_position() below (and maybe other calls) call
4245            gtk_main_iteration(), so it's possible that a signal will be handled
4246            half-way through this method.  If this signal wants an
4247            idle_visual_changer we must schedule another one after this one, so
4248            mark the idle_handler_id as -1 here to allow that.  Also make a note
4249            that we are doing the visual change, so that changes in response to
4250            super-rapid-screen-update can be dropped if we are still processing
4251            the last one.
4252         */
4253
4254         pending_visual_change.idle_handler_id = -1;
4255         pending_visual_change.being_handled = true;
4256
4257         VisualChange::Type p = pending_visual_change.pending;
4258         pending_visual_change.pending = (VisualChange::Type) 0;
4259
4260         double const last_time_origin = horizontal_position ();
4261
4262         if (p & VisualChange::ZoomLevel) {
4263                 set_frames_per_unit (pending_visual_change.frames_per_unit);
4264
4265                 compute_fixed_ruler_scale ();
4266
4267                 ARDOUR::TempoMap::BBTPointList::const_iterator current_bbt_points_begin;
4268                 ARDOUR::TempoMap::BBTPointList::const_iterator current_bbt_points_end;
4269
4270                 compute_current_bbt_points (pending_visual_change.time_origin, pending_visual_change.time_origin + current_page_frames(),
4271                                             current_bbt_points_begin, current_bbt_points_end);
4272                 compute_bbt_ruler_scale (pending_visual_change.time_origin, pending_visual_change.time_origin + current_page_frames(),
4273                                          current_bbt_points_begin, current_bbt_points_end);
4274                 update_tempo_based_rulers (current_bbt_points_end, current_bbt_points_begin);
4275         }
4276         if (p & VisualChange::TimeOrigin) {
4277                 set_horizontal_position (pending_visual_change.time_origin / frames_per_unit);
4278         }
4279         if (p & VisualChange::YOrigin) {
4280                 vertical_adjustment.set_value (pending_visual_change.y_origin);
4281         }
4282
4283         if (last_time_origin == horizontal_position ()) {
4284                 /* changed signal not emitted */
4285                 update_fixed_rulers ();
4286                 redisplay_tempo (true);
4287         }
4288
4289         _summary->set_overlays_dirty ();
4290
4291         pending_visual_change.being_handled = false;
4292         return 0; /* this is always a one-shot call */
4293 }
4294
4295 struct EditorOrderTimeAxisSorter {
4296     bool operator() (const TimeAxisView* a, const TimeAxisView* b) const {
4297             return a->order () < b->order ();
4298     }
4299 };
4300
4301 void
4302 Editor::sort_track_selection (TrackViewList& sel)
4303 {
4304         EditorOrderTimeAxisSorter cmp;
4305         sel.sort (cmp);
4306 }
4307
4308 framepos_t
4309 Editor::get_preferred_edit_position (bool ignore_playhead, bool from_context_menu)
4310 {
4311         bool ignored;
4312         framepos_t where = 0;
4313         EditPoint ep = _edit_point;
4314
4315         if (from_context_menu && (ep == EditAtMouse)) {
4316                 return  event_frame (&context_click_event, 0, 0);
4317         }
4318
4319         if (entered_marker) {
4320                 DEBUG_TRACE (DEBUG::CutNPaste, string_compose ("GPEP: use entered marker @ %1\n", entered_marker->position()));
4321                 return entered_marker->position();
4322         }
4323
4324         if (ignore_playhead && ep == EditAtPlayhead) {
4325                 ep = EditAtSelectedMarker;
4326         }
4327
4328         switch (ep) {
4329         case EditAtPlayhead:
4330                 where = _session->audible_frame();
4331                 DEBUG_TRACE (DEBUG::CutNPaste, string_compose ("GPEP: use playhead @ %1\n", where));
4332                 break;
4333
4334         case EditAtSelectedMarker:
4335                 if (!selection->markers.empty()) {
4336                         bool is_start;
4337                         Location* loc = find_location_from_marker (selection->markers.front(), is_start);
4338                         if (loc) {
4339                                 if (is_start) {
4340                                         where =  loc->start();
4341                                 } else {
4342                                         where = loc->end();
4343                                 }
4344                                 DEBUG_TRACE (DEBUG::CutNPaste, string_compose ("GPEP: use selected marker @ %1\n", where));
4345                                 break;
4346                         }
4347                 }
4348                 /* fallthru */
4349
4350         default:
4351         case EditAtMouse:
4352                 if (!mouse_frame (where, ignored)) {
4353                         /* XXX not right but what can we do ? */
4354                         return 0;
4355                 }
4356                 snap_to (where);
4357                 DEBUG_TRACE (DEBUG::CutNPaste, string_compose ("GPEP: use mouse @ %1\n", where));
4358                 break;
4359         }
4360
4361         return where;
4362 }
4363
4364 void
4365 Editor::set_loop_range (framepos_t start, framepos_t end, string cmd)
4366 {
4367         if (!_session) return;
4368
4369         begin_reversible_command (cmd);
4370
4371         Location* tll;
4372
4373         if ((tll = transport_loop_location()) == 0) {
4374                 Location* loc = new Location (*_session, start, end, _("Loop"),  Location::IsAutoLoop);
4375                 XMLNode &before = _session->locations()->get_state();
4376                 _session->locations()->add (loc, true);
4377                 _session->set_auto_loop_location (loc);
4378                 XMLNode &after = _session->locations()->get_state();
4379                 _session->add_command (new MementoCommand<Locations>(*(_session->locations()), &before, &after));
4380         } else {
4381                 XMLNode &before = tll->get_state();
4382                 tll->set_hidden (false, this);
4383                 tll->set (start, end);
4384                 XMLNode &after = tll->get_state();
4385                 _session->add_command (new MementoCommand<Location>(*tll, &before, &after));
4386         }
4387
4388         commit_reversible_command ();
4389 }
4390
4391 void
4392 Editor::set_punch_range (framepos_t start, framepos_t end, string cmd)
4393 {
4394         if (!_session) return;
4395
4396         begin_reversible_command (cmd);
4397
4398         Location* tpl;
4399
4400         if ((tpl = transport_punch_location()) == 0) {
4401                 Location* loc = new Location (*_session, start, end, _("Punch"),  Location::IsAutoPunch);
4402                 XMLNode &before = _session->locations()->get_state();
4403                 _session->locations()->add (loc, true);
4404                 _session->set_auto_loop_location (loc);
4405                 XMLNode &after = _session->locations()->get_state();
4406                 _session->add_command (new MementoCommand<Locations>(*(_session->locations()), &before, &after));
4407         }
4408         else {
4409                 XMLNode &before = tpl->get_state();
4410                 tpl->set_hidden (false, this);
4411                 tpl->set (start, end);
4412                 XMLNode &after = tpl->get_state();
4413                 _session->add_command (new MementoCommand<Location>(*tpl, &before, &after));
4414         }
4415
4416         commit_reversible_command ();
4417 }
4418
4419 /** Find regions which exist at a given time, and optionally on a given list of tracks.
4420  *  @param rs List to which found regions are added.
4421  *  @param where Time to look at.
4422  *  @param ts Tracks to look on; if this is empty, all tracks are examined.
4423  */
4424 void
4425 Editor::get_regions_at (RegionSelection& rs, framepos_t where, const TrackViewList& ts) const
4426 {
4427         const TrackViewList* tracks;
4428
4429         if (ts.empty()) {
4430                 tracks = &track_views;
4431         } else {
4432                 tracks = &ts;
4433         }
4434
4435         for (TrackViewList::const_iterator t = tracks->begin(); t != tracks->end(); ++t) {
4436
4437                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(*t);
4438
4439                 if (rtv) {
4440                         boost::shared_ptr<Track> tr;
4441                         boost::shared_ptr<Playlist> pl;
4442
4443                         if ((tr = rtv->track()) && ((pl = tr->playlist()))) {
4444
4445                                 boost::shared_ptr<RegionList> regions = pl->regions_at (
4446                                                 (framepos_t) floor ( (double) where * tr->speed()));
4447
4448                                 for (RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
4449                                         RegionView* rv = rtv->view()->find_view (*i);
4450                                         if (rv) {
4451                                                 rs.add (rv);
4452                                         }
4453                                 }
4454                         }
4455                 }
4456         }
4457 }
4458
4459 void
4460 Editor::get_regions_after (RegionSelection& rs, framepos_t where, const TrackViewList& ts) const
4461 {
4462         const TrackViewList* tracks;
4463
4464         if (ts.empty()) {
4465                 tracks = &track_views;
4466         } else {
4467                 tracks = &ts;
4468         }
4469
4470         for (TrackViewList::const_iterator t = tracks->begin(); t != tracks->end(); ++t) {
4471                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(*t);
4472                 if (rtv) {
4473                         boost::shared_ptr<Track> tr;
4474                         boost::shared_ptr<Playlist> pl;
4475
4476                         if ((tr = rtv->track()) && ((pl = tr->playlist()))) {
4477
4478                                 boost::shared_ptr<RegionList> regions = pl->regions_touched (
4479                                         (framepos_t) floor ( (double)where * tr->speed()), max_framepos);
4480
4481                                 for (RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
4482
4483                                         RegionView* rv = rtv->view()->find_view (*i);
4484
4485                                         if (rv) {
4486                                                 rs.push_back (rv);
4487                                         }
4488                                 }
4489                         }
4490                 }
4491         }
4492 }
4493
4494 /** Start with regions that are selected.  Then add equivalent regions
4495  *  on tracks in the same active edit-enabled route group as any of
4496  *  the regions that we started with.
4497  */
4498
4499 RegionSelection
4500 Editor::get_regions_from_selection ()
4501 {
4502         return get_equivalent_regions (selection->regions, ARDOUR::Properties::edit.property_id);
4503 }
4504
4505 /** Get regions using the following method:
4506  *
4507  *  Make an initial region list using the selected regions, unless
4508  *  the edit point is `mouse' and the mouse is over an unselected
4509  *  region.  In this case, start with just that region.
4510  *
4511  *  Then, add equivalent regions in active edit groups to the region list.
4512  *
4513  *  Then, search the list of selected tracks to find any selected tracks which
4514  *  do not contain regions already in the region list. If there are no selected
4515  *  tracks and 'No Selection = All Tracks' is active, search all tracks rather
4516  *  than just the selected.
4517  *
4518  *  Add any regions that are under the edit point on these tracks to get the
4519  *  returned region list.
4520  *
4521  *  The rationale here is that the mouse edit point is special in that
4522  *  its position describes both a time and a track; the other edit
4523  *  modes only describe a time.  Hence if the edit point is `mouse' we
4524  *  ignore selected tracks, as we assume the user means something by
4525  *  pointing at a particular track.  Also in this case we take note of
4526  *  the region directly under the edit point, as there is always just one
4527  *  (rather than possibly several with non-mouse edit points).
4528  */
4529
4530 RegionSelection
4531 Editor::get_regions_from_selection_and_edit_point ()
4532 {
4533         RegionSelection regions;
4534
4535         if (_edit_point == EditAtMouse && entered_regionview && !selection->regions.contains (entered_regionview)) {
4536                 regions.add (entered_regionview);
4537         } else {
4538                 regions = selection->regions;
4539         }
4540
4541         TrackViewList tracks;
4542
4543         if (_edit_point != EditAtMouse) {
4544                 tracks = selection->tracks;
4545         }
4546
4547         /* Add any other regions that are in the same
4548            edit-activated route group as one of our regions.
4549          */
4550         regions = get_equivalent_regions (regions, ARDOUR::Properties::edit.property_id);
4551         framepos_t const where = get_preferred_edit_position ();
4552
4553         if (_route_groups->all_group_active_button().get_active() && tracks.empty()) {
4554                 /* tracks is empty (no track selected), and 'No Selection = All Tracks'
4555                  * is enabled, so consider all tracks
4556                  */
4557                 tracks = track_views;
4558         }
4559
4560         if (!tracks.empty()) {
4561                 /* now search the selected tracks for tracks which don't
4562                    already contain regions to be acted upon, and get regions at
4563                    the edit point on those tracks too.
4564                  */
4565                 TrackViewList tracks_without_relevant_regions;
4566
4567                 for (TrackViewList::iterator t = tracks.begin (); t != tracks.end (); ++t) {
4568                         if (!regions.involves (**t)) {
4569                                 /* there are no equivalent regions on this track */
4570                                 tracks_without_relevant_regions.push_back (*t);
4571                         }
4572                 }
4573
4574                 if (!tracks_without_relevant_regions.empty()) {
4575                         /* there are some selected tracks with neither selected
4576                          * regions or their equivalents: act upon all regions in
4577                          * those tracks
4578                          */
4579                         get_regions_at (regions, where, tracks_without_relevant_regions);
4580                 }
4581         }
4582
4583         return regions;
4584 }
4585
4586 /** Start with regions that are selected, or the entered regionview if none are selected.
4587  *  Then add equivalent regions on tracks in the same active edit-enabled route group as any
4588  *  of the regions that we started with.
4589  */
4590
4591 RegionSelection
4592 Editor::get_regions_from_selection_and_entered ()
4593 {
4594         RegionSelection regions = selection->regions;
4595
4596         if (regions.empty() && entered_regionview) {
4597                 regions.add (entered_regionview);
4598         }
4599
4600         return get_equivalent_regions (regions, ARDOUR::Properties::edit.property_id);
4601 }
4602
4603 void
4604 Editor::get_regions_corresponding_to (boost::shared_ptr<Region> region, vector<RegionView*>& regions)
4605 {
4606         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
4607
4608                 RouteTimeAxisView* tatv;
4609
4610                 if ((tatv = dynamic_cast<RouteTimeAxisView*> (*i)) != 0) {
4611
4612                         boost::shared_ptr<Playlist> pl;
4613                         vector<boost::shared_ptr<Region> > results;
4614                         RegionView* marv;
4615                         boost::shared_ptr<Track> tr;
4616
4617                         if ((tr = tatv->track()) == 0) {
4618                                 /* bus */
4619                                 continue;
4620                         }
4621
4622                         if ((pl = (tr->playlist())) != 0) {
4623                                 pl->get_region_list_equivalent_regions (region, results);
4624                         }
4625
4626                         for (vector<boost::shared_ptr<Region> >::iterator ir = results.begin(); ir != results.end(); ++ir) {
4627                                 if ((marv = tatv->view()->find_view (*ir)) != 0) {
4628                                         regions.push_back (marv);
4629                                 }
4630                         }
4631
4632                 }
4633         }
4634 }
4635
4636 void
4637 Editor::show_rhythm_ferret ()
4638 {
4639         if (rhythm_ferret == 0) {
4640                 rhythm_ferret = new RhythmFerret(*this);
4641         }
4642
4643         rhythm_ferret->set_session (_session);
4644         rhythm_ferret->show ();
4645         rhythm_ferret->present ();
4646 }
4647
4648 void
4649 Editor::first_idle ()
4650 {
4651         MessageDialog* dialog = 0;
4652
4653         if (track_views.size() > 1) {
4654                 dialog = new MessageDialog (
4655                         *this,
4656                         string_compose (_("Please wait while %1 loads visual data."), PROGRAM_NAME),
4657                         true
4658                         );
4659                 dialog->present ();
4660                 ARDOUR_UI::instance()->flush_pending ();
4661         }
4662
4663         for (TrackViewList::iterator t = track_views.begin(); t != track_views.end(); ++t) {
4664                 (*t)->first_idle();
4665         }
4666
4667         // first idle adds route children (automation tracks), so we need to redisplay here
4668         _routes->redisplay ();
4669
4670         delete dialog;
4671         _have_idled = true;
4672 }
4673
4674 gboolean
4675 Editor::_idle_resize (gpointer arg)
4676 {
4677         return ((Editor*)arg)->idle_resize ();
4678 }
4679
4680 void
4681 Editor::add_to_idle_resize (TimeAxisView* view, int32_t h)
4682 {
4683         if (resize_idle_id < 0) {
4684                 resize_idle_id = g_idle_add (_idle_resize, this);
4685                 _pending_resize_amount = 0;
4686         }
4687
4688         /* make a note of the smallest resulting height, so that we can clamp the
4689            lower limit at TimeAxisView::hSmall */
4690
4691         int32_t min_resulting = INT32_MAX;
4692
4693         _pending_resize_amount += h;
4694         _pending_resize_view = view;
4695
4696         min_resulting = min (min_resulting, int32_t (_pending_resize_view->current_height()) + _pending_resize_amount);
4697
4698         if (selection->tracks.contains (_pending_resize_view)) {
4699                 for (TrackViewList::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
4700                         min_resulting = min (min_resulting, int32_t ((*i)->current_height()) + _pending_resize_amount);
4701                 }
4702         }
4703
4704         if (min_resulting < 0) {
4705                 min_resulting = 0;
4706         }
4707
4708         /* clamp */
4709         if (uint32_t (min_resulting) < TimeAxisView::preset_height (HeightSmall)) {
4710                 _pending_resize_amount += TimeAxisView::preset_height (HeightSmall) - min_resulting;
4711         }
4712 }
4713
4714 /** Handle pending resizing of tracks */
4715 bool
4716 Editor::idle_resize ()
4717 {
4718         _pending_resize_view->idle_resize (_pending_resize_view->current_height() + _pending_resize_amount);
4719
4720         if (dynamic_cast<AutomationTimeAxisView*> (_pending_resize_view) == 0 &&
4721             selection->tracks.contains (_pending_resize_view)) {
4722
4723                 for (TrackViewList::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
4724                         if (*i != _pending_resize_view) {
4725                                 (*i)->idle_resize ((*i)->current_height() + _pending_resize_amount);
4726                         }
4727                 }
4728         }
4729
4730         _pending_resize_amount = 0;
4731         flush_canvas ();
4732         _group_tabs->set_dirty ();
4733         resize_idle_id = -1;
4734
4735         return false;
4736 }
4737
4738 void
4739 Editor::located ()
4740 {
4741         ENSURE_GUI_THREAD (*this, &Editor::located);
4742
4743         if (_session) {
4744                 playhead_cursor->set_position (_session->audible_frame ());
4745                 if (_follow_playhead && !_pending_initial_locate) {
4746                         reset_x_origin_to_follow_playhead ();
4747                 }
4748         }
4749
4750         _pending_locate_request = false;
4751         _pending_initial_locate = false;
4752 }
4753
4754 void
4755 Editor::region_view_added (RegionView *)
4756 {
4757         _summary->set_dirty ();
4758 }
4759
4760 void
4761 Editor::region_view_removed ()
4762 {
4763         _summary->set_dirty ();
4764 }
4765
4766 TimeAxisView*
4767 Editor::axis_view_from_route (boost::shared_ptr<Route> r) const
4768 {
4769         TrackViewList::const_iterator j = track_views.begin ();
4770         while (j != track_views.end()) {
4771                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (*j);
4772                 if (rtv && rtv->route() == r) {
4773                         return rtv;
4774                 }
4775                 ++j;
4776         }
4777
4778         return 0;
4779 }
4780
4781
4782 TrackViewList
4783 Editor::axis_views_from_routes (boost::shared_ptr<RouteList> r) const
4784 {
4785         TrackViewList t;
4786
4787         for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
4788                 TimeAxisView* tv = axis_view_from_route (*i);
4789                 if (tv) {
4790                         t.push_back (tv);
4791                 }
4792         }
4793
4794         return t;
4795 }
4796
4797 void
4798 Editor::add_routes (RouteList& routes)
4799 {
4800         ENSURE_GUI_THREAD (*this, &Editor::handle_new_route, routes)
4801
4802         RouteTimeAxisView *rtv;
4803         list<RouteTimeAxisView*> new_views;
4804
4805         for (RouteList::iterator x = routes.begin(); x != routes.end(); ++x) {
4806                 boost::shared_ptr<Route> route = (*x);
4807
4808                 if (route->is_hidden() || route->is_monitor()) {
4809                         continue;
4810                 }
4811
4812                 DataType dt = route->input()->default_type();
4813
4814                 if (dt == ARDOUR::DataType::AUDIO) {
4815                         rtv = new AudioTimeAxisView (*this, _session, *track_canvas);
4816                         rtv->set_route (route);
4817                 } else if (dt == ARDOUR::DataType::MIDI) {
4818                         rtv = new MidiTimeAxisView (*this, _session, *track_canvas);
4819                         rtv->set_route (route);
4820                 } else {
4821                         throw unknown_type();
4822                 }
4823
4824                 new_views.push_back (rtv);
4825                 track_views.push_back (rtv);
4826
4827                 rtv->effective_gain_display ();
4828
4829                 if (internal_editing()) {
4830                         rtv->enter_internal_edit_mode ();
4831                 } else {
4832                         rtv->leave_internal_edit_mode ();
4833                 }
4834
4835                 rtv->view()->RegionViewAdded.connect (sigc::mem_fun (*this, &Editor::region_view_added));
4836                 rtv->view()->RegionViewRemoved.connect (sigc::mem_fun (*this, &Editor::region_view_removed));
4837         }
4838
4839         _routes->routes_added (new_views);
4840         _summary->routes_added (new_views);
4841
4842         if (show_editor_mixer_when_tracks_arrive) {
4843                 show_editor_mixer (true);
4844         }
4845
4846         editor_list_button.set_sensitive (true);
4847 }
4848
4849 void
4850 Editor::timeaxisview_deleted (TimeAxisView *tv)
4851 {
4852         if (_session && _session->deletion_in_progress()) {
4853                 /* the situation is under control */
4854                 return;
4855         }
4856
4857         ENSURE_GUI_THREAD (*this, &Editor::timeaxisview_deleted, tv);
4858
4859         RouteTimeAxisView* rtav = dynamic_cast<RouteTimeAxisView*> (tv);
4860
4861         _routes->route_removed (tv);
4862
4863         if (tv == entered_track) {
4864                 entered_track = 0;
4865         }
4866
4867         TimeAxisView::Children c = tv->get_child_list ();
4868         for (TimeAxisView::Children::const_iterator i = c.begin(); i != c.end(); ++i) {
4869                 if (entered_track == i->get()) {
4870                         entered_track = 0;
4871                 }
4872         }
4873
4874         /* remove it from the list of track views */
4875
4876         TrackViewList::iterator i;
4877
4878         if ((i = find (track_views.begin(), track_views.end(), tv)) != track_views.end()) {
4879                 i = track_views.erase (i);
4880         }
4881
4882         /* update whatever the current mixer strip is displaying, if revelant */
4883
4884         boost::shared_ptr<Route> route;
4885
4886         if (rtav) {
4887                 route = rtav->route ();
4888         }
4889
4890         if (current_mixer_strip && current_mixer_strip->route() == route) {
4891
4892                 TimeAxisView* next_tv;
4893
4894                 if (track_views.empty()) {
4895                         next_tv = 0;
4896                 } else if (i == track_views.end()) {
4897                         next_tv = track_views.front();
4898                 } else {
4899                         next_tv = (*i);
4900                 }
4901
4902
4903                 if (next_tv) {
4904                         set_selected_mixer_strip (*next_tv);
4905                 } else {
4906                         /* make the editor mixer strip go away setting the
4907                          * button to inactive (which also unticks the menu option)
4908                          */
4909
4910                         ActionManager::uncheck_toggleaction ("<Actions>/Editor/show-editor-mixer");
4911                 }
4912         }
4913 }
4914
4915 void
4916 Editor::hide_track_in_display (TimeAxisView* tv, bool apply_to_selection)
4917 {
4918         if (apply_to_selection) {
4919                 for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ) {
4920
4921                         TrackSelection::iterator j = i;
4922                         ++j;
4923
4924                         hide_track_in_display (*i, false);
4925
4926                         i = j;
4927                 }
4928         } else {
4929                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (tv);
4930
4931                 if (rtv && current_mixer_strip && (rtv->route() == current_mixer_strip->route())) {
4932                         // this will hide the mixer strip
4933                         set_selected_mixer_strip (*tv);
4934                 }
4935
4936                 _routes->hide_track_in_display (*tv);
4937         }
4938 }
4939
4940 bool
4941 Editor::sync_track_view_list_and_routes ()
4942 {
4943         track_views = TrackViewList (_routes->views ());
4944
4945         _summary->set_dirty ();
4946         _group_tabs->set_dirty ();
4947
4948         return false; // do not call again (until needed)
4949 }
4950
4951 void
4952 Editor::foreach_time_axis_view (sigc::slot<void,TimeAxisView&> theslot)
4953 {
4954         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
4955                 theslot (**i);
4956         }
4957 }
4958
4959 /** Find a RouteTimeAxisView by the ID of its route */
4960 RouteTimeAxisView*
4961 Editor::get_route_view_by_route_id (const PBD::ID& id) const
4962 {
4963         RouteTimeAxisView* v;
4964
4965         for (TrackViewList::const_iterator i = track_views.begin(); i != track_views.end(); ++i) {
4966                 if((v = dynamic_cast<RouteTimeAxisView*>(*i)) != 0) {
4967                         if(v->route()->id() == id) {
4968                                 return v;
4969                         }
4970                 }
4971         }
4972
4973         return 0;
4974 }
4975
4976 void
4977 Editor::fit_route_group (RouteGroup *g)
4978 {
4979         TrackViewList ts = axis_views_from_routes (g->route_list ());
4980         fit_tracks (ts);
4981 }
4982
4983 void
4984 Editor::consider_auditioning (boost::shared_ptr<Region> region)
4985 {
4986         boost::shared_ptr<AudioRegion> r = boost::dynamic_pointer_cast<AudioRegion> (region);
4987
4988         if (r == 0) {
4989                 _session->cancel_audition ();
4990                 return;
4991         }
4992
4993         if (_session->is_auditioning()) {
4994                 _session->cancel_audition ();
4995                 if (r == last_audition_region) {
4996                         return;
4997                 }
4998         }
4999
5000         _session->audition_region (r);
5001         last_audition_region = r;
5002 }
5003
5004
5005 void
5006 Editor::hide_a_region (boost::shared_ptr<Region> r)
5007 {
5008         r->set_hidden (true);
5009 }
5010
5011 void
5012 Editor::show_a_region (boost::shared_ptr<Region> r)
5013 {
5014         r->set_hidden (false);
5015 }
5016
5017 void
5018 Editor::audition_region_from_region_list ()
5019 {
5020         _regions->selection_mapover (sigc::mem_fun (*this, &Editor::consider_auditioning));
5021 }
5022
5023 void
5024 Editor::hide_region_from_region_list ()
5025 {
5026         _regions->selection_mapover (sigc::mem_fun (*this, &Editor::hide_a_region));
5027 }
5028
5029 void
5030 Editor::show_region_in_region_list ()
5031 {
5032         _regions->selection_mapover (sigc::mem_fun (*this, &Editor::show_a_region));
5033 }
5034
5035 void
5036 Editor::step_edit_status_change (bool yn)
5037 {
5038         if (yn) {
5039                 start_step_editing ();
5040         } else {
5041                 stop_step_editing ();
5042         }
5043 }
5044
5045 void
5046 Editor::start_step_editing ()
5047 {
5048         step_edit_connection = Glib::signal_timeout().connect (sigc::mem_fun (*this, &Editor::check_step_edit), 20);
5049 }
5050
5051 void
5052 Editor::stop_step_editing ()
5053 {
5054         step_edit_connection.disconnect ();
5055 }
5056
5057 bool
5058 Editor::check_step_edit ()
5059 {
5060         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5061                 MidiTimeAxisView* mtv = dynamic_cast<MidiTimeAxisView*> (*i);
5062                 if (mtv) {
5063                         mtv->check_step_edit ();
5064                 }
5065         }
5066
5067         return true; // do it again, till we stop
5068 }
5069
5070 bool
5071 Editor::scroll_press (Direction dir)
5072 {
5073         ++_scroll_callbacks;
5074
5075         if (_scroll_connection.connected() && _scroll_callbacks < 5) {
5076                 /* delay the first auto-repeat */
5077                 return true;
5078         }
5079
5080         switch (dir) {
5081         case LEFT:
5082                 scroll_backward (1);
5083                 break;
5084
5085         case RIGHT:
5086                 scroll_forward (1);
5087                 break;
5088
5089         case UP:
5090                 scroll_tracks_up_line ();
5091                 break;
5092
5093         case DOWN:
5094                 scroll_tracks_down_line ();
5095                 break;
5096         }
5097
5098         /* do hacky auto-repeat */
5099         if (!_scroll_connection.connected ()) {
5100
5101                 _scroll_connection = Glib::signal_timeout().connect (
5102                         sigc::bind (sigc::mem_fun (*this, &Editor::scroll_press), dir), 100
5103                         );
5104
5105                 _scroll_callbacks = 0;
5106         }
5107
5108         return true;
5109 }
5110
5111 void
5112 Editor::scroll_release ()
5113 {
5114         _scroll_connection.disconnect ();
5115 }
5116
5117 /** Queue a change for the Editor viewport x origin to follow the playhead */
5118 void
5119 Editor::reset_x_origin_to_follow_playhead ()
5120 {
5121         framepos_t const frame = playhead_cursor->current_frame;
5122
5123         if (frame < leftmost_frame || frame > leftmost_frame + current_page_frames()) {
5124
5125                 if (_session->transport_speed() < 0) {
5126
5127                         if (frame > (current_page_frames() / 2)) {
5128                                 center_screen (frame-(current_page_frames()/2));
5129                         } else {
5130                                 center_screen (current_page_frames()/2);
5131                         }
5132
5133                 } else {
5134
5135                         framepos_t l = 0;
5136
5137                         if (frame < leftmost_frame) {
5138                                 /* moving left */
5139                                 if (_session->transport_rolling()) {
5140                                         /* rolling; end up with the playhead at the right of the page */
5141                                         l = frame - current_page_frames ();
5142                                 } else {
5143                                         /* not rolling: end up with the playhead 1/4 of the way along the page */
5144                                         l = frame - current_page_frames() / 4;
5145                                 }
5146                         } else {
5147                                 /* moving right */
5148                                 if (_session->transport_rolling()) {
5149                                         /* rolling: end up with the playhead on the left of the page */
5150                                         l = frame;
5151                                 } else {
5152                                         /* not rolling: end up with the playhead 3/4 of the way along the page */
5153                                         l = frame - 3 * current_page_frames() / 4;
5154                                 }
5155                         }
5156
5157                         if (l < 0) {
5158                                 l = 0;
5159                         }
5160
5161                         center_screen_internal (l + (current_page_frames() / 2), current_page_frames ());
5162                 }
5163         }
5164 }
5165
5166 void
5167 Editor::super_rapid_screen_update ()
5168 {
5169         if (!_session || !_session->engine().running()) {
5170                 return;
5171         }
5172
5173         /* METERING / MIXER STRIPS */
5174
5175         /* update track meters, if required */
5176         if (is_mapped() && meters_running) {
5177                 RouteTimeAxisView* rtv;
5178                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5179                         if ((rtv = dynamic_cast<RouteTimeAxisView*>(*i)) != 0) {
5180                                 rtv->fast_update ();
5181                         }
5182                 }
5183         }
5184
5185         /* and any current mixer strip */
5186         if (current_mixer_strip) {
5187                 current_mixer_strip->fast_update ();
5188         }
5189
5190         /* PLAYHEAD AND VIEWPORT */
5191
5192         framepos_t const frame = _session->audible_frame();
5193
5194         /* There are a few reasons why we might not update the playhead / viewport stuff:
5195          *
5196          * 1.  we don't update things when there's a pending locate request, otherwise
5197          *     when the editor requests a locate there is a chance that this method
5198          *     will move the playhead before the locate request is processed, causing
5199          *     a visual glitch.
5200          * 2.  if we're not rolling, there's nothing to do here (locates are handled elsewhere).
5201          * 3.  if we're still at the same frame that we were last time, there's nothing to do.
5202          */
5203
5204         if (!_pending_locate_request && _session->transport_speed() != 0 && frame != last_update_frame) {
5205
5206                 last_update_frame = frame;
5207
5208                 if (!_dragging_playhead) {
5209                         playhead_cursor->set_position (frame);
5210                 }
5211
5212                 if (!_stationary_playhead) {
5213
5214                         if (!_dragging_playhead && _follow_playhead && _session->requested_return_frame() < 0 && !pending_visual_change.being_handled) {
5215                                 /* We only do this if we aren't already
5216                                    handling a visual change (ie if
5217                                    pending_visual_change.being_handled is
5218                                    false) so that these requests don't stack
5219                                    up there are too many of them to handle in
5220                                    time.
5221                                 */
5222                                 reset_x_origin_to_follow_playhead ();
5223                         }
5224
5225                 } else {
5226
5227                         /* don't do continuous scroll till the new position is in the rightmost quarter of the
5228                            editor canvas
5229                         */
5230 #if 0
5231                         // FIXME DO SOMETHING THAT WORKS HERE - this is 2.X code
5232                         double target = ((double)frame - (double)current_page_frames()/2.0) / frames_per_unit;
5233                         if (target <= 0.0) {
5234                                 target = 0.0;
5235                         }
5236                         if (fabs(target - current) < current_page_frames() / frames_per_unit) {
5237                                 target = (target * 0.15) + (current * 0.85);
5238                         } else {
5239                                 /* relax */
5240                         }
5241
5242                         current = target;
5243                         set_horizontal_position (current);
5244 #endif
5245                 }
5246
5247         }
5248 }
5249
5250
5251 void
5252 Editor::session_going_away ()
5253 {
5254         _have_idled = false;
5255
5256         _session_connections.drop_connections ();
5257
5258         super_rapid_screen_update_connection.disconnect ();
5259
5260         selection->clear ();
5261         cut_buffer->clear ();
5262
5263         clicked_regionview = 0;
5264         clicked_axisview = 0;
5265         clicked_routeview = 0;
5266         entered_regionview = 0;
5267         entered_track = 0;
5268         last_update_frame = 0;
5269         _drags->abort ();
5270
5271         playhead_cursor->canvas_item.hide ();
5272
5273         /* rip everything out of the list displays */
5274
5275         _regions->clear ();
5276         _routes->clear ();
5277         _route_groups->clear ();
5278
5279         /* do this first so that deleting a track doesn't reset cms to null
5280            and thus cause a leak.
5281         */
5282
5283         if (current_mixer_strip) {
5284                 if (current_mixer_strip->get_parent() != 0) {
5285                         global_hpacker.remove (*current_mixer_strip);
5286                 }
5287                 delete current_mixer_strip;
5288                 current_mixer_strip = 0;
5289         }
5290
5291         /* delete all trackviews */
5292
5293         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5294                 delete *i;
5295         }
5296         track_views.clear ();
5297
5298         zoom_range_clock->set_session (0);
5299         nudge_clock->set_session (0);
5300
5301         editor_list_button.set_active(false);
5302         editor_list_button.set_sensitive(false);
5303
5304         /* clear tempo/meter rulers */
5305         remove_metric_marks ();
5306         hide_measures ();
5307         clear_marker_display ();
5308
5309         stop_step_editing ();
5310
5311         /* get rid of any existing editor mixer strip */
5312
5313         WindowTitle title(Glib::get_application_name());
5314         title += _("Editor");
5315
5316         set_title (title.get_string());
5317
5318         SessionHandlePtr::session_going_away ();
5319 }
5320
5321
5322 void
5323 Editor::show_editor_list (bool yn)
5324 {
5325         if (yn) {
5326                 _the_notebook.show ();
5327         } else {
5328                 _the_notebook.hide ();
5329         }
5330 }
5331
5332 void
5333 Editor::change_region_layering_order (bool from_context_menu)
5334 {
5335         const framepos_t position = get_preferred_edit_position (false, from_context_menu);
5336
5337         if (!clicked_routeview) {
5338                 if (layering_order_editor) {
5339                         layering_order_editor->hide ();
5340                 }
5341                 return;
5342         }
5343
5344         boost::shared_ptr<Track> track = boost::dynamic_pointer_cast<Track> (clicked_routeview->route());
5345
5346         if (!track) {
5347                 return;
5348         }
5349
5350         boost::shared_ptr<Playlist> pl = track->playlist();
5351
5352         if (!pl) {
5353                 return;
5354         }
5355
5356         if (layering_order_editor == 0) {
5357                 layering_order_editor = new RegionLayeringOrderEditor (*this);
5358                 layering_order_editor->set_position (WIN_POS_MOUSE);
5359         }
5360
5361         layering_order_editor->set_context (clicked_routeview->name(), _session, clicked_routeview, pl, position);
5362         layering_order_editor->maybe_present ();
5363 }
5364
5365 void
5366 Editor::update_region_layering_order_editor ()
5367 {
5368         if (layering_order_editor && layering_order_editor->is_visible ()) {
5369                 change_region_layering_order (true);
5370         }
5371 }
5372
5373 void
5374 Editor::setup_fade_images ()
5375 {
5376         _fade_in_images[FadeLinear] = new Gtk::Image (get_icon_path (X_("fadein-linear")));
5377         _fade_in_images[FadeSymmetric] = new Gtk::Image (get_icon_path (X_("fadein-short-cut")));
5378         _fade_in_images[FadeFast] = new Gtk::Image (get_icon_path (X_("fadein-slow-cut")));
5379         _fade_in_images[FadeSlow] = new Gtk::Image (get_icon_path (X_("fadein-fast-cut")));
5380         _fade_in_images[FadeConstantPower] = new Gtk::Image (get_icon_path (X_("fadein-long-cut")));
5381
5382         _fade_out_images[FadeLinear] = new Gtk::Image (get_icon_path (X_("fadeout-linear")));
5383         _fade_out_images[FadeSymmetric] = new Gtk::Image (get_icon_path (X_("fadeout-short-cut")));
5384         _fade_out_images[FadeFast] = new Gtk::Image (get_icon_path (X_("fadeout-slow-cut")));
5385         _fade_out_images[FadeSlow] = new Gtk::Image (get_icon_path (X_("fadeout-fast-cut")));
5386         _fade_out_images[FadeConstantPower] = new Gtk::Image (get_icon_path (X_("fadeout-long-cut")));
5387
5388         _xfade_in_images[FadeLinear] = new Gtk::Image (get_icon_path (X_("fadeout-linear")));
5389         _xfade_in_images[FadeSymmetric] = new Gtk::Image (get_icon_path (X_("fadeout-short-cut")));
5390         _xfade_in_images[FadeFast] = new Gtk::Image (get_icon_path (X_("fadeout-slow-cut")));
5391         _xfade_in_images[FadeSlow] = new Gtk::Image (get_icon_path (X_("fadeout-fast-cut")));
5392         _xfade_in_images[FadeConstantPower] = new Gtk::Image (get_icon_path (X_("fadeout-long-cut")));
5393
5394         _xfade_out_images[FadeLinear] = new Gtk::Image (get_icon_path (X_("fadeout-linear")));
5395         _xfade_out_images[FadeSymmetric] = new Gtk::Image (get_icon_path (X_("fadeout-short-cut")));
5396         _xfade_out_images[FadeFast] = new Gtk::Image (get_icon_path (X_("fadeout-slow-cut")));
5397         _xfade_out_images[FadeSlow] = new Gtk::Image (get_icon_path (X_("fadeout-fast-cut")));
5398         _xfade_out_images[FadeConstantPower] = new Gtk::Image (get_icon_path (X_("fadeout-long-cut")));
5399
5400 }
5401
5402 /** @return Gtk::manage()d menu item for a given action from `editor_actions' */
5403 Gtk::MenuItem&
5404 Editor::action_menu_item (std::string const & name)
5405 {
5406         Glib::RefPtr<Action> a = editor_actions->get_action (name);
5407         assert (a);
5408
5409         return *manage (a->create_menu_item ());
5410 }
5411
5412 void
5413 Editor::add_notebook_page (string const & name, Gtk::Widget& widget)
5414 {
5415         EventBox* b = manage (new EventBox);
5416         b->signal_button_press_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::notebook_tab_clicked), &widget));
5417         Label* l = manage (new Label (name));
5418         l->set_angle (-90);
5419         b->add (*l);
5420         b->show_all ();
5421         _the_notebook.append_page (widget, *b);
5422 }
5423
5424 bool
5425 Editor::notebook_tab_clicked (GdkEventButton* ev, Gtk::Widget* page)
5426 {
5427         if (ev->type == GDK_BUTTON_PRESS || ev->type == GDK_2BUTTON_PRESS) {
5428                 _the_notebook.set_current_page (_the_notebook.page_num (*page));
5429         }
5430
5431         if (ev->type == GDK_2BUTTON_PRESS) {
5432
5433                 /* double-click on a notebook tab shrinks or expands the notebook */
5434
5435                 if (_notebook_shrunk) {
5436                         if (pre_notebook_shrink_pane_width) {
5437                                 edit_pane.set_position (*pre_notebook_shrink_pane_width);
5438                         }
5439                         _notebook_shrunk = false;
5440                 } else {
5441                         pre_notebook_shrink_pane_width = edit_pane.get_position();
5442
5443                         /* this expands the LHS of the edit pane to cover the notebook
5444                            PAGE but leaves the tabs visible.
5445                          */
5446                         edit_pane.set_position (edit_pane.get_position() + page->get_width());
5447                         _notebook_shrunk = true;
5448                 }
5449         }
5450
5451         return true;
5452 }
5453
5454 void
5455 Editor::popup_control_point_context_menu (ArdourCanvas::Item* item, GdkEvent* event)
5456 {
5457         using namespace Menu_Helpers;
5458
5459         MenuList& items = _control_point_context_menu.items ();
5460         items.clear ();
5461
5462         items.push_back (MenuElem (_("Edit..."), sigc::bind (sigc::mem_fun (*this, &Editor::edit_control_point), item)));
5463         items.push_back (MenuElem (_("Delete"), sigc::bind (sigc::mem_fun (*this, &Editor::remove_control_point), item)));
5464         if (!can_remove_control_point (item)) {
5465                 items.back().set_sensitive (false);
5466         }
5467
5468         _control_point_context_menu.popup (event->button.button, event->button.time);
5469 }
5470
5471 void
5472 Editor::shift_key_released ()
5473 {
5474         _stepping_axis_view = 0;
5475 }