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 #define __STDC_LIMIT_MACROS 1
  23 #include <stdint.h>
  24 #include <unistd.h>
  25 #include <cstdlib>
  26 #include <cmath>
  27 #include <string>
  28 #include <algorithm>
  29 #include <map>
  30
  31 #include "ardour_ui.h"
  32 /*
  33  * ardour_ui.h include was moved to the top of the list
  34  * due to a conflicting definition of 'Style' between
  35  * Apple's MacTypes.h and BarController.
  36  */
  37
  38 #include <boost/none.hpp>
  39
  40 #include <sigc++/bind.h>
  41
  42 #include "pbd/convert.h"
  43 #include "pbd/error.h"
  44 #include "pbd/enumwriter.h"
  45 #include "pbd/memento_command.h"
  46 #include "pbd/unknown_type.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/grouped_buttons.h>
  54 #include <gtkmm2ext/gtk_ui.h>
  55 #include <gtkmm2ext/tearoff.h>
  56 #include <gtkmm2ext/utils.h>
  57 #include <gtkmm2ext/window_title.h>
  58 #include <gtkmm2ext/choice.h>
  59 #include <gtkmm2ext/cell_renderer_pixbuf_toggle.h>
  60
  61 #include "ardour/audio_diskstream.h"
  62 #include "ardour/audio_track.h"
  63 #include "ardour/audioplaylist.h"
  64 #include "ardour/audioregion.h"
  65 #include "ardour/location.h"
  66 #include "ardour/midi_region.h"
  67 #include "ardour/plugin_manager.h"
  68 #include "ardour/profile.h"
  69 #include "ardour/route_group.h"
  70 #include "ardour/session_directory.h"
  71 #include "ardour/session_route.h"
  72 #include "ardour/session_state_utils.h"
  73 #include "ardour/tempo.h"
  74 #include "ardour/utils.h"
  75 #include "ardour/session_playlists.h"
  76 #include "ardour/audioengine.h"
  77
  78 #include "control_protocol/control_protocol.h"
  79
  80 #include "editor.h"
  81 #include "keyboard.h"
  82 #include "marker.h"
  83 #include "playlist_selector.h"
  84 #include "audio_region_view.h"
  85 #include "rgb_macros.h"
  86 #include "selection.h"
  87 #include "audio_streamview.h"
  88 #include "time_axis_view.h"
  89 #include "audio_time_axis.h"
  90 #include "utils.h"
  91 #include "crossfade_view.h"
  92 #include "canvas-noevent-text.h"
  93 #include "editing.h"
  94 #include "public_editor.h"
  95 #include "crossfade_edit.h"
  96 #include "canvas_impl.h"
  97 #include "actions.h"
  98 #include "sfdb_ui.h"
  99 #include "gui_thread.h"
 100 #include "simpleline.h"
 101 #include "rhythm_ferret.h"
 102 #include "actions.h"
 103 #include "tempo_lines.h"
 104 #include "analysis_window.h"
 105 #include "bundle_manager.h"
 106 #include "global_port_matrix.h"
 107 #include "editor_drag.h"
 108 #include "editor_group_tabs.h"
 109 #include "automation_time_axis.h"
 110 #include "editor_routes.h"
 111 #include "midi_time_axis.h"
 112 #include "mixer_strip.h"
 113 #include "editor_route_groups.h"
 114 #include "editor_regions.h"
 115 #include "editor_locations.h"
 116 #include "editor_snapshots.h"
 117 #include "editor_summary.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 #include "editor_xpms"
 140
 141 static const gchar *_snap_type_strings[] = {
 142         N_("CD Frames"),
 143         N_("Timecode Frames"),
 144         N_("Timecode Seconds"),
 145         N_("Timecode Minutes"),
 146         N_("Seconds"),
 147         N_("Minutes"),
 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 /* Soundfile  drag-n-drop */
 211
 212 Gdk::Cursor* Editor::cross_hair_cursor = 0;
 213 Gdk::Cursor* Editor::selector_cursor = 0;
 214 Gdk::Cursor* Editor::trimmer_cursor = 0;
 215 Gdk::Cursor* Editor::left_side_trim_cursor = 0;
 216 Gdk::Cursor* Editor::right_side_trim_cursor = 0;
 217 Gdk::Cursor* Editor::fade_in_cursor = 0;
 218 Gdk::Cursor* Editor::fade_out_cursor = 0;
 219 Gdk::Cursor* Editor::grabber_cursor = 0;
 220 Gdk::Cursor* Editor::grabber_note_cursor = 0;
 221 Gdk::Cursor* Editor::grabber_edit_point_cursor = 0;
 222 Gdk::Cursor* Editor::zoom_cursor = 0;
 223 Gdk::Cursor* Editor::time_fx_cursor = 0;
 224 Gdk::Cursor* Editor::fader_cursor = 0;
 225 Gdk::Cursor* Editor::speaker_cursor = 0;
 226 Gdk::Cursor* Editor::midi_pencil_cursor = 0;
 227 Gdk::Cursor* Editor::midi_select_cursor = 0;
 228 Gdk::Cursor* Editor::midi_resize_cursor = 0;
 229 Gdk::Cursor* Editor::midi_erase_cursor = 0;
 230 Gdk::Cursor* Editor::wait_cursor = 0;
 231 Gdk::Cursor* Editor::timebar_cursor = 0;
 232 Gdk::Cursor* Editor::transparent_cursor = 0;
 233
 234 void
 235 show_me_the_size (Requisition* r, const char* what)
 236 {
 237         cerr << "size of " << what << " = " << r->width << " x " << r->height << endl;
 238 }
 239
 240 #ifdef GTKOSX
 241 static void
 242 pane_size_watcher (Paned* pane)
 243 {
 244        /* if the handle of a pane vanishes into (at least) the tabs of a notebook,
 245           it is no longer accessible. so stop that. this doesn't happen on X11,
 246           just the quartz backend.
 247
 248           ugh.
 249        */
 250
 251        int max_width_of_lhs = GTK_WIDGET(pane->gobj())->allocation.width - 25;
 252
 253        gint pos = pane->get_position ();
 254
 255        if (pos > max_width_of_lhs) {
 256                pane->set_position (max_width_of_lhs);
 257        }
 258 }
 259 #endif
 260
 261 Editor::Editor ()
 262         : _join_object_range_state (JOIN_OBJECT_RANGE_NONE)
 263
 264           /* time display buttons */
 265         , minsec_label (_("Mins:Secs"))
 266         , bbt_label (_("Bars:Beats"))
 267         , timecode_label (_("Timecode"))
 268         , frame_label (_("Samples"))
 269         , tempo_label (_("Tempo"))
 270         , meter_label (_("Meter"))
 271         , mark_label (_("Location Markers"))
 272         , range_mark_label (_("Range Markers"))
 273         , transport_mark_label (_("Loop/Punch Ranges"))
 274         , cd_mark_label (_("CD Markers"))
 275         , edit_packer (4, 4, true)
 276
 277           /* the values here don't matter: layout widgets
 278              reset them as needed.
 279           */
 280
 281         , vertical_adjustment (0.0, 0.0, 10.0, 400.0)
 282
 283           /* tool bar related */
 284
 285         , zoom_range_clock (X_("zoomrange"), false, X_("ZoomRangeClock"), true, false, true)
 286
 287         , toolbar_selection_clock_table (2,3)
 288
 289         , automation_mode_button (_("mode"))
 290         , global_automation_button (_("automation"))
 291
 292         , midi_panic_button (_("Panic"))
 293
 294 #ifdef WITH_CMT
 295         , image_socket_listener(0)
 296 #endif
 297
 298           /* nudge */
 299
 300         , nudge_clock (X_("nudge"), false, X_("NudgeClock"), true, false, true)
 301         , meters_running(false)
 302         , _pending_locate_request (false)
 303         , _pending_initial_locate (false)
 304
 305 {
 306         constructed = false;
 307
 308         /* we are a singleton */
 309
 310         PublicEditor::_instance = this;
 311
 312         _have_idled = false;
 313
 314         selection = new Selection (this);
 315         cut_buffer = new Selection (this);
 316
 317         clicked_regionview = 0;
 318         clicked_axisview = 0;
 319         clicked_routeview = 0;
 320         clicked_crossfadeview = 0;
 321         clicked_control_point = 0;
 322         last_update_frame = 0;
 323         _drags = new DragManager (this);
 324         current_mixer_strip = 0;
 325         current_bbt_points = 0;
 326         tempo_lines = 0;
 327
 328         snap_type_strings =  I18N (_snap_type_strings);
 329         snap_mode_strings =  I18N (_snap_mode_strings);
 330         zoom_focus_strings = I18N (_zoom_focus_strings);
 331         edit_point_strings = I18N (_edit_point_strings);
 332 #ifdef USE_RUBBERBAND
 333         rb_opt_strings = I18N (_rb_opt_strings);
 334         rb_current_opt = 4;
 335 #endif
 336
 337         snap_threshold = 5.0;
 338         bbt_beat_subdivision = 4;
 339         _canvas_width = 0;
 340         _canvas_height = 0;
 341         last_autoscroll_x = 0;
 342         last_autoscroll_y = 0;
 343         autoscroll_active = false;
 344         autoscroll_timeout_tag = -1;
 345         logo_item = 0;
 346
 347         analysis_window = 0;
 348
 349         current_interthread_info = 0;
 350         _show_measures = true;
 351         show_gain_after_trim = false;
 352         verbose_cursor_on = true;
 353         last_item_entered = 0;
 354         last_item_entered_n = 0;
 355
 356         have_pending_keyboard_selection = false;
 357         _follow_playhead = true;
 358         _stationary_playhead = false;
 359         _xfade_visibility = true;
 360         editor_ruler_menu = 0;
 361         no_ruler_shown_update = false;
 362         marker_menu = 0;
 363         session_range_marker_menu = 0;
 364         range_marker_menu = 0;
 365         marker_menu_item = 0;
 366         tempo_or_meter_marker_menu = 0;
 367         transport_marker_menu = 0;
 368         new_transport_marker_menu = 0;
 369         editor_mixer_strip_width = Wide;
 370         show_editor_mixer_when_tracks_arrive = false;
 371         region_edit_menu_split_multichannel_item = 0;
 372         region_edit_menu_split_item = 0;
 373         temp_location = 0;
 374         leftmost_frame = 0;
 375         current_stepping_trackview = 0;
 376         entered_track = 0;
 377         entered_regionview = 0;
 378         entered_marker = 0;
 379         clear_entered_track = false;
 380         current_timefx = 0;
 381         playhead_cursor = 0;
 382         button_release_can_deselect = true;
 383         _dragging_playhead = false;
 384         _dragging_edit_point = false;
 385         select_new_marker = false;
 386         rhythm_ferret = 0;
 387         _bundle_manager = 0;
 388         no_save_visual = false;
 389         resize_idle_id = -1;
 390
 391         scrubbing_direction = 0;
 392
 393         sfbrowser = 0;
 394
 395         location_marker_color = ARDOUR_UI::config()->canvasvar_LocationMarker.get();
 396         location_range_color = ARDOUR_UI::config()->canvasvar_LocationRange.get();
 397         location_cd_marker_color = ARDOUR_UI::config()->canvasvar_LocationCDMarker.get();
 398         location_loop_color = ARDOUR_UI::config()->canvasvar_LocationLoop.get();
 399         location_punch_color = ARDOUR_UI::config()->canvasvar_LocationPunch.get();
 400
 401         _edit_point = EditAtMouse;
 402         _internal_editing = false;
 403         current_canvas_cursor = 0;
 404
 405         frames_per_unit = 2048; /* too early to use reset_zoom () */
 406
 407         _scroll_callbacks = 0;
 408
 409         zoom_focus = ZoomFocusLeft;
 410         set_zoom_focus (ZoomFocusLeft);
 411         zoom_range_clock.ValueChanged.connect (sigc::mem_fun(*this, &Editor::zoom_adjustment_changed));
 412
 413         bbt_label.set_name ("EditorTimeButton");
 414         bbt_label.set_size_request (-1, (int)timebar_height);
 415         bbt_label.set_alignment (1.0, 0.5);
 416         bbt_label.set_padding (5,0);
 417         bbt_label.hide ();
 418         bbt_label.set_no_show_all();
 419         minsec_label.set_name ("EditorTimeButton");
 420         minsec_label.set_size_request (-1, (int)timebar_height);
 421         minsec_label.set_alignment (1.0, 0.5);
 422         minsec_label.set_padding (5,0);
 423         minsec_label.hide ();
 424         minsec_label.set_no_show_all();
 425         timecode_label.set_name ("EditorTimeButton");
 426         timecode_label.set_size_request (-1, (int)timebar_height);
 427         timecode_label.set_alignment (1.0, 0.5);
 428         timecode_label.set_padding (5,0);
 429         timecode_label.hide ();
 430         timecode_label.set_no_show_all();
 431         frame_label.set_name ("EditorTimeButton");
 432         frame_label.set_size_request (-1, (int)timebar_height);
 433         frame_label.set_alignment (1.0, 0.5);
 434         frame_label.set_padding (5,0);
 435         frame_label.hide ();
 436         frame_label.set_no_show_all();
 437
 438         tempo_label.set_name ("EditorTimeButton");
 439         tempo_label.set_size_request (-1, (int)timebar_height);
 440         tempo_label.set_alignment (1.0, 0.5);
 441         tempo_label.set_padding (5,0);
 442         tempo_label.hide();
 443         tempo_label.set_no_show_all();
 444         meter_label.set_name ("EditorTimeButton");
 445         meter_label.set_size_request (-1, (int)timebar_height);
 446         meter_label.set_alignment (1.0, 0.5);
 447         meter_label.set_padding (5,0);
 448         meter_label.hide();
 449         meter_label.set_no_show_all();
 450         mark_label.set_name ("EditorTimeButton");
 451         mark_label.set_size_request (-1, (int)timebar_height);
 452         mark_label.set_alignment (1.0, 0.5);
 453         mark_label.set_padding (5,0);
 454         mark_label.hide();
 455         mark_label.set_no_show_all();
 456         cd_mark_label.set_name ("EditorTimeButton");
 457         cd_mark_label.set_size_request (-1, (int)timebar_height);
 458         cd_mark_label.set_alignment (1.0, 0.5);
 459         cd_mark_label.set_padding (5,0);
 460         cd_mark_label.hide();
 461         cd_mark_label.set_no_show_all();
 462         range_mark_label.set_name ("EditorTimeButton");
 463         range_mark_label.set_size_request (-1, (int)timebar_height);
 464         range_mark_label.set_alignment (1.0, 0.5);
 465         range_mark_label.set_padding (5,0);
 466         range_mark_label.hide();
 467         range_mark_label.set_no_show_all();
 468         transport_mark_label.set_name ("EditorTimeButton");
 469         transport_mark_label.set_size_request (-1, (int)timebar_height);
 470         transport_mark_label.set_alignment (1.0, 0.5);
 471         transport_mark_label.set_padding (5,0);
 472         transport_mark_label.hide();
 473         transport_mark_label.set_no_show_all();
 474
 475         initialize_rulers ();
 476         initialize_canvas ();
 477         _summary = new EditorSummary (this);
 478
 479         selection->TimeChanged.connect (sigc::mem_fun(*this, &Editor::time_selection_changed));
 480         selection->TracksChanged.connect (sigc::mem_fun(*this, &Editor::track_selection_changed));
 481         editor_regions_selection_changed_connection = selection->RegionsChanged.connect (sigc::mem_fun(*this, &Editor::region_selection_changed));
 482         selection->PointsChanged.connect (sigc::mem_fun(*this, &Editor::point_selection_changed));
 483         selection->MarkersChanged.connect (sigc::mem_fun(*this, &Editor::marker_selection_changed));
 484
 485         edit_controls_vbox.set_spacing (0);
 486         vertical_adjustment.signal_value_changed().connect (sigc::mem_fun(*this, &Editor::tie_vertical_scrolling), true);
 487         track_canvas->signal_map_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_map_handler));
 488
 489         HBox* h = manage (new HBox);
 490         _group_tabs = new EditorGroupTabs (this);
 491         h->pack_start (*_group_tabs, PACK_SHRINK);
 492         h->pack_start (edit_controls_vbox);
 493         controls_layout.add (*h);
 494
 495         controls_layout.set_name ("EditControlsBase");
 496         controls_layout.add_events (Gdk::SCROLL_MASK);
 497         controls_layout.signal_scroll_event().connect (sigc::mem_fun(*this, &Editor::control_layout_scroll), false);
 498
 499         controls_layout.add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK);
 500         controls_layout.signal_button_release_event().connect (sigc::mem_fun(*this, &Editor::edit_controls_button_release));
 501         controls_layout_size_request_connection = controls_layout.signal_size_request().connect (sigc::mem_fun (*this, &Editor::controls_layout_size_request));
 502
 503         build_cursors ();
 504
 505         ArdourCanvas::Canvas* time_pad = manage(new ArdourCanvas::Canvas());
 506         ArdourCanvas::SimpleLine* pad_line_1 = manage(new ArdourCanvas::SimpleLine(*time_pad->root(),
 507                         0.0, 1.0, 100.0, 1.0));
 508         pad_line_1->property_color_rgba() = 0xFF0000FF;
 509         pad_line_1->show();
 510         time_pad->show();
 511
 512         time_canvas_vbox.set_size_request (-1, (int)(timebar_height * visible_timebars) + 2);
 513         time_canvas_vbox.set_size_request (-1, -1);
 514
 515         ruler_label_event_box.add (ruler_label_vbox);
 516         ruler_label_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 517         ruler_label_event_box.signal_button_release_event().connect (sigc::mem_fun(*this, &Editor::ruler_label_button_release));
 518
 519         time_button_event_box.add (time_button_vbox);
 520         time_button_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 521         time_button_event_box.signal_button_release_event().connect (sigc::mem_fun(*this, &Editor::ruler_label_button_release));
 522
 523         /* these enable us to have a dedicated window (for cursor setting, etc.)
 524            for the canvas areas.
 525         */
 526
 527         track_canvas_event_box.add (*track_canvas);
 528
 529         time_canvas_event_box.add (time_canvas_vbox);
 530         time_canvas_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::POINTER_MOTION_MASK);
 531
 532         edit_packer.set_col_spacings (0);
 533         edit_packer.set_row_spacings (0);
 534         edit_packer.set_homogeneous (false);
 535         edit_packer.set_border_width (0);
 536         edit_packer.set_name ("EditorWindow");
 537
 538         /* labels for the rulers */
 539         edit_packer.attach (ruler_label_event_box,   1, 2, 0, 1,    FILL,        SHRINK, 0, 0);
 540         /* labels for the marker "tracks" */
 541         edit_packer.attach (time_button_event_box,   1, 2, 1, 2,    FILL,        SHRINK, 0, 0);
 542         /* the rulers */
 543         edit_packer.attach (time_canvas_event_box,   2, 3, 0, 1,    FILL|EXPAND, FILL, 0, 0);
 544         /* track controls */
 545         edit_packer.attach (controls_layout,         0, 2, 2, 3,    FILL,        FILL|EXPAND, 0, 0);
 546         /* main canvas */
 547         edit_packer.attach (track_canvas_event_box,  2, 3, 1, 3,    FILL|EXPAND, FILL|EXPAND, 0, 0);
 548
 549         bottom_hbox.set_border_width (2);
 550         bottom_hbox.set_spacing (3);
 551
 552         _route_groups = new EditorRouteGroups (this);
 553         _routes = new EditorRoutes (this);
 554         _regions = new EditorRegions (this);
 555         _snapshots = new EditorSnapshots (this);
 556         _locations = new EditorLocations (this);
 557
 558         Gtk::Label* nlabel;
 559
 560         nlabel = manage (new Label (_("Regions")));
 561         nlabel->set_angle (-90);
 562         the_notebook.append_page (_regions->widget (), *nlabel);
 563         nlabel = manage (new Label (_("Tracks & Busses")));
 564         nlabel->set_angle (-90);
 565         the_notebook.append_page (_routes->widget (), *nlabel);
 566         nlabel = manage (new Label (_("Snapshots")));
 567         nlabel->set_angle (-90);
 568         the_notebook.append_page (_snapshots->widget (), *nlabel);
 569         nlabel = manage (new Label (_("Route Groups")));
 570         nlabel->set_angle (-90);
 571         the_notebook.append_page (_route_groups->widget (), *nlabel);
 572         nlabel = manage (new Label (_("Ranges & Marks")));
 573         nlabel->set_angle (-90);
 574         the_notebook.append_page (_locations->widget (), *nlabel);
 575
 576         the_notebook.set_show_tabs (true);
 577         the_notebook.set_scrollable (true);
 578         the_notebook.popup_disable ();
 579         the_notebook.set_tab_pos (Gtk::POS_RIGHT);
 580         the_notebook.show_all ();
 581
 582         post_maximal_editor_width = 0;
 583         post_maximal_horizontal_pane_position = 0;
 584         post_maximal_editor_height = 0;
 585         post_maximal_vertical_pane_position = 0;
 586
 587         editor_summary_pane.pack1(edit_packer);
 588
 589         Button* summary_arrows_left_left = manage (new Button);
 590         summary_arrows_left_left->add (*manage (new Arrow (ARROW_LEFT, SHADOW_NONE)));
 591         summary_arrows_left_left->signal_pressed().connect (sigc::hide_return (sigc::mem_fun (*this, &Editor::horizontal_scroll_left_press)));
 592         summary_arrows_left_left->signal_released().connect (sigc::mem_fun (*this, &Editor::horizontal_scroll_left_release));
 593         Button* summary_arrows_left_right = manage (new Button);
 594         summary_arrows_left_right->add (*manage (new Arrow (ARROW_RIGHT, SHADOW_NONE)));
 595         summary_arrows_left_right->signal_pressed().connect (sigc::hide_return (sigc::mem_fun (*this, &Editor::horizontal_scroll_right_press)));
 596         summary_arrows_left_right->signal_released().connect (sigc::mem_fun (*this, &Editor::horizontal_scroll_right_release));
 597         VBox* summary_arrows_left = manage (new VBox);
 598         summary_arrows_left->pack_start (*summary_arrows_left_left);
 599         summary_arrows_left->pack_start (*summary_arrows_left_right);
 600
 601         Button* summary_arrows_right_left = manage (new Button);
 602         summary_arrows_right_left->add (*manage (new Arrow (ARROW_LEFT, SHADOW_NONE)));
 603         summary_arrows_right_left->signal_pressed().connect (sigc::hide_return (sigc::mem_fun (*this, &Editor::horizontal_scroll_left_press)));
 604         summary_arrows_right_left->signal_released().connect (sigc::mem_fun (*this, &Editor::horizontal_scroll_left_release));
 605         Button* summary_arrows_right_right = manage (new Button);
 606         summary_arrows_right_right->add (*manage (new Arrow (ARROW_RIGHT, SHADOW_NONE)));
 607         summary_arrows_right_right->signal_pressed().connect (sigc::hide_return (sigc::mem_fun (*this, &Editor::horizontal_scroll_right_press)));
 608         summary_arrows_right_right->signal_released().connect (sigc::mem_fun (*this, &Editor::horizontal_scroll_right_release));
 609         VBox* summary_arrows_right = manage (new VBox);
 610         summary_arrows_right->pack_start (*summary_arrows_right_left);
 611         summary_arrows_right->pack_start (*summary_arrows_right_right);
 612
 613         Frame* summary_frame = manage (new Frame);
 614         summary_frame->set_shadow_type (Gtk::SHADOW_ETCHED_IN);
 615         summary_frame->add (*_summary);
 616         summary_frame->show ();
 617
 618         _summary_hbox.pack_start (*summary_arrows_left, false, false);
 619         _summary_hbox.pack_start (*summary_frame, true, true);
 620         _summary_hbox.pack_start (*summary_arrows_right, false, false);
 621
 622         editor_summary_pane.pack2 (_summary_hbox);
 623
 624         edit_pane.pack1 (editor_summary_pane, true, true);
 625         edit_pane.pack2 (the_notebook, false, true);
 626
 627         editor_summary_pane.signal_size_allocate().connect (sigc::bind (sigc::mem_fun (*this, &Editor::pane_allocation_handler), static_cast<Paned*> (&editor_summary_pane)));
 628
 629         /* XXX: editor_summary_pane might need similar special OS X treatment to the edit_pane */
 630
 631         edit_pane.signal_size_allocate().connect (sigc::bind (sigc::mem_fun(*this, &Editor::pane_allocation_handler), static_cast<Paned*> (&edit_pane)));
 632 #ifdef GTKOSX
 633         Glib::PropertyProxy<int> proxy = edit_pane.property_position();
 634         proxy.signal_changed().connect (bind (sigc::ptr_fun (pane_size_watcher), static_cast<Paned*> (&edit_pane)));
 635 #endif
 636         top_hbox.pack_start (toolbar_frame, false, true);
 637
 638         HBox *hbox = manage (new HBox);
 639         hbox->pack_start (edit_pane, true, true);
 640
 641         global_vpacker.pack_start (top_hbox, false, false);
 642         global_vpacker.pack_start (*hbox, true, true);
 643
 644         global_hpacker.pack_start (global_vpacker, true, true);
 645
 646         set_name ("EditorWindow");
 647         add_accel_group (ActionManager::ui_manager->get_accel_group());
 648
 649         status_bar_hpacker.show ();
 650
 651         vpacker.pack_end (status_bar_hpacker, false, false);
 652         vpacker.pack_end (global_hpacker, true, true);
 653
 654         /* register actions now so that set_state() can find them and set toggles/checks etc */
 655
 656         register_actions ();
 657
 658         setup_toolbar ();
 659         setup_midi_toolbar ();
 660
 661         _snap_type = SnapToBeat;
 662         set_snap_to (_snap_type);
 663         _snap_mode = SnapOff;
 664         set_snap_mode (_snap_mode);
 665         set_mouse_mode (MouseObject, true);
 666         set_edit_point_preference (EditAtMouse, true);
 667
 668         _playlist_selector = new PlaylistSelector();
 669         _playlist_selector->signal_delete_event().connect (sigc::bind (sigc::ptr_fun (just_hide_it), static_cast<Window *> (_playlist_selector)));
 670
 671         RegionView::RegionViewGoingAway.connect (*this, invalidator (*this),  ui_bind (&Editor::catch_vanishing_regionview, this, _1), gui_context());
 672
 673         /* nudge stuff */
 674
 675         nudge_forward_button.add (*(manage (new Image (::get_icon("nudge_right")))));
 676         nudge_backward_button.add (*(manage (new Image (::get_icon("nudge_left")))));
 677
 678         nudge_forward_button.set_name ("TransportButton");
 679         nudge_backward_button.set_name ("TransportButton");
 680
 681         fade_context_menu.set_name ("ArdourContextMenu");
 682
 683         /* icons, titles, WM stuff */
 684
 685         list<Glib::RefPtr<Gdk::Pixbuf> > window_icons;
 686         Glib::RefPtr<Gdk::Pixbuf> icon;
 687
 688         if ((icon = ::get_icon ("ardour_icon_16px")) != 0) {
 689                 window_icons.push_back (icon);
 690         }
 691         if ((icon = ::get_icon ("ardour_icon_22px")) != 0) {
 692                 window_icons.push_back (icon);
 693         }
 694         if ((icon = ::get_icon ("ardour_icon_32px")) != 0) {
 695                 window_icons.push_back (icon);
 696         }
 697         if ((icon = ::get_icon ("ardour_icon_48px")) != 0) {
 698                 window_icons.push_back (icon);
 699         }
 700         if (!window_icons.empty()) {
 701                 set_icon_list (window_icons);
 702                 set_default_icon_list (window_icons);
 703         }
 704
 705         WindowTitle title(Glib::get_application_name());
 706         title += _("Editor");
 707         set_title (title.get_string());
 708         set_wmclass (X_("ardour_editor"), PROGRAM_NAME);
 709
 710         add (vpacker);
 711         add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK);
 712
 713         signal_configure_event().connect (sigc::mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::configure_handler));
 714         signal_delete_event().connect (sigc::mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::exit_on_main_window_close));
 715
 716         /* allow external control surfaces/protocols to do various things */
 717
 718         ControlProtocol::ZoomToSession.connect (*this, invalidator (*this), boost::bind (&Editor::temporal_zoom_session, this), gui_context());
 719         ControlProtocol::ZoomIn.connect (*this, invalidator (*this), boost::bind (&Editor::temporal_zoom_step, this, false), gui_context());
 720         ControlProtocol::ZoomOut.connect (*this, invalidator (*this), boost::bind (&Editor::temporal_zoom_step, this, true), gui_context());
 721         ControlProtocol::ScrollTimeline.connect (*this, invalidator (*this), ui_bind (&Editor::control_scroll, this, _1), gui_context());
 722         BasicUI::AccessAction.connect (*this, invalidator (*this), ui_bind (&Editor::access_action, this, _1, _2), gui_context());
 723
 724         /* problematic: has to return a value and thus cannot be x-thread */
 725
 726         Session::AskAboutPlaylistDeletion.connect_same_thread (*this, boost::bind (&Editor::playlist_deletion_dialog, this, _1));
 727
 728         Config->ParameterChanged.connect (*this, invalidator (*this), ui_bind (&Editor::parameter_changed, this, _1), gui_context());
 729
 730         TimeAxisView::CatchDeletion.connect (*this, invalidator (*this), ui_bind (&Editor::timeaxisview_deleted, this, _1), gui_context());
 731
 732         _last_normalization_value = 0;
 733
 734         constructed = true;
 735         instant_save ();
 736 }
 737
 738 Editor::~Editor()
 739 {
 740 #ifdef WITH_CMT
 741         if(image_socket_listener) {
 742                 if(image_socket_listener->is_connected())
 743                 {
 744                         image_socket_listener->close_connection() ;
 745                 }
 746
 747                 delete image_socket_listener ;
 748                 image_socket_listener = 0 ;
 749         }
 750 #endif
 751
 752         delete _routes;
 753         delete _route_groups;
 754         delete track_canvas;
 755         delete _drags;
 756 }
 757
 758 void
 759 Editor::add_toplevel_controls (Container& cont)
 760 {
 761         vpacker.pack_start (cont, false, false);
 762         cont.show_all ();
 763 }
 764
 765 void
 766 Editor::catch_vanishing_regionview (RegionView *rv)
 767 {
 768         /* note: the selection will take care of the vanishing
 769            audioregionview by itself.
 770         */
 771
 772         if (_drags->active() && _drags->have_item (rv->get_canvas_group()) && !_drags->ending()) {
 773                 _drags->abort ();
 774         }
 775
 776         if (clicked_regionview == rv) {
 777                 clicked_regionview = 0;
 778         }
 779
 780         if (entered_regionview == rv) {
 781                 set_entered_regionview (0);
 782         }
 783 }
 784
 785 void
 786 Editor::set_entered_regionview (RegionView* rv)
 787 {
 788         if (rv == entered_regionview) {
 789                 return;
 790         }
 791
 792         if (entered_regionview) {
 793                 entered_regionview->exited ();
 794         }
 795
 796         if ((entered_regionview = rv) != 0) {
 797                 entered_regionview->entered (internal_editing ());
 798         }
 799 }
 800
 801 void
 802 Editor::set_entered_track (TimeAxisView* tav)
 803 {
 804         if (entered_track) {
 805                 entered_track->exited ();
 806         }
 807
 808         if ((entered_track = tav) != 0) {
 809                 entered_track->entered ();
 810         }
 811 }
 812
 813 void
 814 Editor::show_window ()
 815 {
 816         if (! is_visible ()) {
 817                 show_all ();
 818
 819                 /* re-hide editor list if necessary */
 820                 editor_list_button_toggled ();
 821
 822                 /* re-hide summary widget if necessary */
 823                 parameter_changed ("show-summary");
 824
 825                 parameter_changed ("show-edit-group-tabs");
 826
 827                 /* now reset all audio_time_axis heights, because widgets might need
 828                    to be re-hidden
 829                 */
 830
 831                 TimeAxisView *tv;
 832
 833                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
 834                         tv = (static_cast<TimeAxisView*>(*i));
 835                         tv->reset_height ();
 836                 }
 837
 838                 reset_zoom (frames_per_unit);
 839         }
 840
 841         present ();
 842 }
 843
 844 void
 845 Editor::instant_save ()
 846 {
 847         if (!constructed || !ARDOUR_UI::instance()->session_loaded) {
 848                 return;
 849         }
 850
 851         if (_session) {
 852                 _session->add_instant_xml(get_state());
 853         } else {
 854                 Config->add_instant_xml(get_state());
 855         }
 856 }
 857
 858 void
 859 Editor::zoom_adjustment_changed ()
 860 {
 861         if (_session == 0) {
 862                 return;
 863         }
 864
 865         double fpu = zoom_range_clock.current_duration() / _canvas_width;
 866
 867         if (fpu < 1.0) {
 868                 fpu = 1.0;
 869                 zoom_range_clock.set ((nframes64_t) floor (fpu * _canvas_width));
 870         } else if (fpu > _session->current_end_frame() / _canvas_width) {
 871                 fpu = _session->current_end_frame() / _canvas_width;
 872                 zoom_range_clock.set ((nframes64_t) floor (fpu * _canvas_width));
 873         }
 874
 875         temporal_zoom (fpu);
 876 }
 877
 878 void
 879 Editor::control_scroll (float fraction)
 880 {
 881         ENSURE_GUI_THREAD (*this, &Editor::control_scroll, fraction)
 882
 883         if (!_session) {
 884                 return;
 885         }
 886
 887         double step = fraction * current_page_frames();
 888
 889         /*
 890                 _control_scroll_target is an optional<T>
 891
 892                 it acts like a pointer to an nframes64_t, with
 893                 a operator conversion to boolean to check
 894                 that it has a value could possibly use
 895                 playhead_cursor->current_frame to store the
 896                 value and a boolean in the class to know
 897                 when it's out of date
 898         */
 899
 900         if (!_control_scroll_target) {
 901                 _control_scroll_target = _session->transport_frame();
 902                 _dragging_playhead = true;
 903         }
 904
 905         if ((fraction < 0.0f) && (*_control_scroll_target < (nframes64_t) fabs(step))) {
 906                 *_control_scroll_target = 0;
 907         } else if ((fraction > 0.0f) && (max_frames - *_control_scroll_target < step)) {
 908                 *_control_scroll_target = max_frames - (current_page_frames()*2); // allow room for slop in where the PH is on the screen
 909         } else {
 910                 *_control_scroll_target += (nframes64_t) floor (step);
 911         }
 912
 913         /* move visuals, we'll catch up with it later */
 914
 915         playhead_cursor->set_position (*_control_scroll_target);
 916         UpdateAllTransportClocks (*_control_scroll_target);
 917
 918         if (*_control_scroll_target > (current_page_frames() / 2)) {
 919                 /* try to center PH in window */
 920                 reset_x_origin (*_control_scroll_target - (current_page_frames()/2));
 921         } else {
 922                 reset_x_origin (0);
 923         }
 924
 925         /*
 926                 Now we do a timeout to actually bring the session to the right place
 927                 according to the playhead. This is to avoid reading disk buffers on every
 928                 call to control_scroll, which is driven by ScrollTimeline and therefore
 929                 probably by a control surface wheel which can generate lots of events.
 930         */
 931         /* cancel the existing timeout */
 932
 933         control_scroll_connection.disconnect ();
 934
 935         /* add the next timeout */
 936
 937         control_scroll_connection = Glib::signal_timeout().connect (sigc::bind (sigc::mem_fun (*this, &Editor::deferred_control_scroll), *_control_scroll_target), 250);
 938 }
 939
 940 bool
 941 Editor::deferred_control_scroll (nframes64_t /*target*/)
 942 {
 943         _session->request_locate (*_control_scroll_target, _session->transport_rolling());
 944         // reset for next stream
 945         _control_scroll_target = boost::none;
 946         _dragging_playhead = false;
 947         return false;
 948 }
 949
 950 void
 951 Editor::access_action (std::string action_group, std::string action_item)
 952 {
 953         if (!_session) {
 954                 return;
 955         }
 956
 957         ENSURE_GUI_THREAD (*this, &Editor::access_action, action_group, action_item)
 958
 959         RefPtr<Action> act;
 960         act = ActionManager::get_action( action_group.c_str(), action_item.c_str() );
 961
 962         if (act) {
 963                 act->activate();
 964         }
 965 }
 966
 967 void
 968 Editor::on_realize ()
 969 {
 970         Window::on_realize ();
 971         Realized ();
 972 }
 973
 974 void
 975 Editor::map_position_change (nframes64_t frame)
 976 {
 977         ENSURE_GUI_THREAD (*this, &Editor::map_position_change, frame)
 978
 979         if (_session == 0) {
 980                 return;
 981         }
 982
 983         if (_follow_playhead) {
 984                 center_screen (frame);
 985         }
 986
 987         playhead_cursor->set_position (frame);
 988 }
 989
 990 void
 991 Editor::center_screen (nframes64_t frame)
 992 {
 993         double page = _canvas_width * frames_per_unit;
 994
 995         /* if we're off the page, then scroll.
 996          */
 997
 998         if (frame < leftmost_frame || frame >= leftmost_frame + page) {
 999                 center_screen_internal (frame, page);
1000         }
1001 }
1002
1003 void
1004 Editor::center_screen_internal (nframes64_t frame, float page)
1005 {
1006         page /= 2;
1007
1008         if (frame > page) {
1009                 frame -= (nframes64_t) page;
1010         } else {
1011                 frame = 0;
1012         }
1013
1014         reset_x_origin (frame);
1015 }
1016
1017
1018 void
1019 Editor::update_title ()
1020 {
1021         ENSURE_GUI_THREAD (*this, &Editor::update_title)
1022
1023         if (_session) {
1024                 bool dirty = _session->dirty();
1025
1026                 string session_name;
1027
1028                 if (_session->snap_name() != _session->name()) {
1029                         session_name = _session->snap_name();
1030                 } else {
1031                         session_name = _session->name();
1032                 }
1033
1034                 if (dirty) {
1035                         session_name = "*" + session_name;
1036                 }
1037
1038                 WindowTitle title(session_name);
1039                 title += Glib::get_application_name();
1040                 set_title (title.get_string());
1041         }
1042 }
1043
1044 void
1045 Editor::set_session (Session *t)
1046 {
1047         SessionHandlePtr::set_session (t);
1048
1049         if (!_session) {
1050                 return;
1051         }
1052
1053         zoom_range_clock.set_session (_session);
1054         _playlist_selector->set_session (_session);
1055         nudge_clock.set_session (_session);
1056         _summary->set_session (_session);
1057         _group_tabs->set_session (_session);
1058         _route_groups->set_session (_session);
1059         _regions->set_session (_session);
1060         _snapshots->set_session (_session);
1061         _routes->set_session (_session);
1062         _locations->set_session (_session);
1063
1064         if (rhythm_ferret) {
1065                 rhythm_ferret->set_session (_session);
1066         }
1067
1068         if (analysis_window) {
1069                 analysis_window->set_session (_session);
1070         }
1071
1072         if (sfbrowser) {
1073                 sfbrowser->set_session (_session);
1074         }
1075
1076         compute_fixed_ruler_scale ();
1077
1078         /* there are never any selected regions at startup */
1079         sensitize_the_right_region_actions (false);
1080
1081         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
1082         set_state (*node, Stateful::loading_state_version);
1083
1084         /* catch up with the playhead */
1085
1086         _session->request_locate (playhead_cursor->current_frame);
1087         _pending_initial_locate = true;
1088
1089         update_title ();
1090
1091         /* These signals can all be emitted by a non-GUI thread. Therefore the
1092            handlers for them must not attempt to directly interact with the GUI,
1093            but use Gtkmm2ext::UI::instance()->call_slot();
1094         */
1095
1096         _session->StepEditStatusChange.connect (_session_connections, invalidator (*this), ui_bind(&Editor::step_edit_status_change, this, _1), gui_context());
1097         _session->TransportStateChange.connect (_session_connections, invalidator (*this), boost::bind (&Editor::map_transport_state, this), gui_context());
1098         _session->PositionChanged.connect (_session_connections, invalidator (*this), ui_bind (&Editor::map_position_change, this, _1), gui_context());
1099         _session->RouteAdded.connect (_session_connections, invalidator (*this), ui_bind (&Editor::handle_new_route, this, _1), gui_context());
1100         _session->DirtyChanged.connect (_session_connections, invalidator (*this), boost::bind (&Editor::update_title, this), gui_context());
1101         _session->TimecodeOffsetChanged.connect (_session_connections, invalidator (*this), boost::bind (&Editor::update_just_timecode, this), gui_context());
1102         _session->tempo_map().PropertyChanged.connect (_session_connections, invalidator (*this), ui_bind (&Editor::tempo_map_changed, this, _1), gui_context());
1103         _session->Located.connect (_session_connections, invalidator (*this), boost::bind (&Editor::located, this), gui_context());
1104         _session->config.ParameterChanged.connect (_session_connections, invalidator (*this), ui_bind (&Editor::parameter_changed, this, _1), gui_context());
1105         _session->StateSaved.connect (_session_connections, invalidator (*this), ui_bind (&Editor::session_state_saved, this, _1), gui_context());
1106         _session->locations()->added.connect (_session_connections, invalidator (*this), ui_bind (&Editor::add_new_location, this, _1), gui_context());
1107         _session->locations()->removed.connect (_session_connections, invalidator (*this), ui_bind (&Editor::location_gone, this, _1), gui_context());
1108         _session->locations()->changed.connect (_session_connections, invalidator (*this), boost::bind (&Editor::refresh_location_display, this), gui_context());
1109         _session->locations()->StateChanged.connect (_session_connections, invalidator (*this), ui_bind (&Editor::refresh_location_display_s, this, _1), gui_context());
1110         _session->history().Changed.connect (_session_connections, invalidator (*this), boost::bind (&Editor::history_changed, this), gui_context());
1111
1112         if (Profile->get_sae()) {
1113                 BBT_Time bbt;
1114                 bbt.bars = 0;
1115                 bbt.beats = 0;
1116                 bbt.ticks = 120;
1117                 nframes_t pos = _session->tempo_map().bbt_duration_at (0, bbt, 1);
1118                 nudge_clock.set_mode(AudioClock::BBT);
1119                 nudge_clock.set (pos, true, 0, AudioClock::BBT);
1120
1121         } else {
1122                 nudge_clock.set (_session->frame_rate() * 5, true, 0, AudioClock::Timecode); // default of 5 seconds
1123         }
1124
1125         playhead_cursor->canvas_item.show ();
1126
1127         Location* loc = _session->locations()->auto_loop_location();
1128         if (loc == 0) {
1129                 loc = new Location (*_session, 0, _session->current_end_frame(), _("Loop"),(Location::Flags) (Location::IsAutoLoop | Location::IsHidden));
1130                 if (loc->start() == loc->end()) {
1131                         loc->set_end (loc->start() + 1);
1132                 }
1133                 _session->locations()->add (loc, false);
1134                 _session->set_auto_loop_location (loc);
1135         } else {
1136                 // force name
1137                 loc->set_name (_("Loop"));
1138         }
1139
1140         loc = _session->locations()->auto_punch_location();
1141         if (loc == 0) {
1142                 loc = new Location (*_session, 0, _session->current_end_frame(), _("Punch"), (Location::Flags) (Location::IsAutoPunch | Location::IsHidden));
1143                 if (loc->start() == loc->end()) {
1144                         loc->set_end (loc->start() + 1);
1145                 }
1146                 _session->locations()->add (loc, false);
1147                 _session->set_auto_punch_location (loc);
1148         } else {
1149                 // force name
1150                 loc->set_name (_("Punch"));
1151         }
1152
1153         boost::function<void (string)> pc (boost::bind (&Editor::parameter_changed, this, _1));
1154         Config->map_parameters (pc);
1155         _session->config.map_parameters (pc);
1156
1157         refresh_location_display ();
1158
1159         restore_ruler_visibility ();
1160         //tempo_map_changed (PropertyChange (0));
1161         _session->tempo_map().apply_with_metrics (*this, &Editor::draw_metric_marks);
1162
1163         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
1164                 (static_cast<TimeAxisView*>(*i))->set_samples_per_unit (frames_per_unit);
1165         }
1166
1167         super_rapid_screen_update_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect (
1168                 sigc::mem_fun (*this, &Editor::super_rapid_screen_update)
1169                 );
1170
1171         switch (_snap_type) {
1172         case SnapToRegionStart:
1173         case SnapToRegionEnd:
1174         case SnapToRegionSync:
1175         case SnapToRegionBoundary:
1176                 build_region_boundary_cache ();
1177                 break;
1178
1179         default:
1180                 break;
1181         }
1182
1183         /* register for undo history */
1184         _session->register_with_memento_command_factory(_id, this);
1185
1186         start_updating_meters ();
1187 }
1188
1189 void
1190 Editor::build_cursors ()
1191 {
1192         using namespace Gdk;
1193
1194         Gdk::Color mbg ("#000000" ); /* Black */
1195         Gdk::Color mfg ("#0000ff" ); /* Blue. */
1196
1197         {
1198                 RefPtr<Bitmap> source, mask;
1199                 source = Bitmap::create (mag_bits, mag_width, mag_height);
1200                 mask = Bitmap::create (magmask_bits, mag_width, mag_height);
1201                 zoom_cursor = new Gdk::Cursor (source, mask, mfg, mbg, mag_x_hot, mag_y_hot);
1202         }
1203
1204         Gdk::Color fbg ("#ffffff" );
1205         Gdk::Color ffg  ("#000000" );
1206
1207         {
1208                 RefPtr<Bitmap> source, mask;
1209
1210                 source = Bitmap::create (fader_cursor_bits, fader_cursor_width, fader_cursor_height);
1211                 mask = Bitmap::create (fader_cursor_mask_bits, fader_cursor_width, fader_cursor_height);
1212                 fader_cursor = new Gdk::Cursor (source, mask, ffg, fbg, fader_cursor_x_hot, fader_cursor_y_hot);
1213         }
1214
1215         {
1216                 RefPtr<Bitmap> source, mask;
1217                 source = Bitmap::create (speaker_cursor_bits, speaker_cursor_width, speaker_cursor_height);
1218                 mask = Bitmap::create (speaker_cursor_mask_bits, speaker_cursor_width, speaker_cursor_height);
1219                 speaker_cursor = new Gdk::Cursor (source, mask, ffg, fbg, speaker_cursor_x_hot, speaker_cursor_y_hot);
1220         }
1221
1222         {
1223                 RefPtr<Bitmap> bits;
1224                 char pix[4] = { 0, 0, 0, 0 };
1225                 bits = Bitmap::create (pix, 2, 2);
1226                 Gdk::Color c;
1227                 transparent_cursor = new Gdk::Cursor (bits, bits, c, c, 0, 0);
1228         }
1229
1230         {
1231                 RefPtr<Bitmap> bits;
1232                 char pix[4] = { 0, 0, 0, 0 };
1233                 bits = Bitmap::create (pix, 2, 2);
1234                 Gdk::Color c;
1235                 transparent_cursor = new Gdk::Cursor (bits, bits, c, c, 0, 0);
1236         }
1237
1238
1239         grabber_cursor = new Gdk::Cursor (HAND2);
1240
1241         {
1242                 Glib::RefPtr<Gdk::Pixbuf> grabber_note_pixbuf (::get_icon ("grabber_note"));
1243                 grabber_note_cursor = new Gdk::Cursor (Gdk::Display::get_default(), grabber_note_pixbuf, 5, 10);
1244         }
1245
1246         {
1247                 Glib::RefPtr<Gdk::Pixbuf> grabber_edit_point_pixbuf (::get_icon ("grabber_edit_point"));
1248                 grabber_edit_point_cursor = new Gdk::Cursor (Gdk::Display::get_default(), grabber_edit_point_pixbuf, 5, 17);
1249         }
1250
1251         cross_hair_cursor = new Gdk::Cursor (CROSSHAIR);
1252         trimmer_cursor =  new Gdk::Cursor (SB_H_DOUBLE_ARROW);
1253
1254         {
1255                 Glib::RefPtr<Gdk::Pixbuf> apixbuf (::get_icon ("trim_left_cursor"));
1256                 left_side_trim_cursor = new Gdk::Cursor (Gdk::Display::get_default(), apixbuf, 5, 11);
1257         }
1258
1259         {
1260                 Glib::RefPtr<Gdk::Pixbuf> apixbuf (::get_icon ("trim_right_cursor"));
1261                 right_side_trim_cursor = new Gdk::Cursor (Gdk::Display::get_default(), apixbuf, 23, 11);
1262         }
1263
1264         {
1265                 Glib::RefPtr<Gdk::Pixbuf> apixbuf (::get_icon ("fade_in_cursor"));
1266                 fade_in_cursor = new Gdk::Cursor (Gdk::Display::get_default(), apixbuf, 0, 40);
1267         }
1268
1269         {
1270                 Glib::RefPtr<Gdk::Pixbuf> apixbuf (::get_icon ("fade_out_cursor"));
1271                 fade_out_cursor = new Gdk::Cursor (Gdk::Display::get_default(), apixbuf, 27, 40);
1272         }
1273
1274         selector_cursor = new Gdk::Cursor (XTERM);
1275         time_fx_cursor = new Gdk::Cursor (SIZING);
1276         wait_cursor = new Gdk::Cursor  (WATCH);
1277         timebar_cursor = new Gdk::Cursor(LEFT_PTR);
1278         midi_pencil_cursor = new Gdk::Cursor (PENCIL);
1279         midi_select_cursor = new Gdk::Cursor (CENTER_PTR);
1280         midi_resize_cursor = new Gdk::Cursor (SIZING);
1281         midi_erase_cursor = new Gdk::Cursor (DRAPED_BOX);
1282 }
1283
1284 /** Pop up a context menu for when the user clicks on a fade in or fade out */
1285 void
1286 Editor::popup_fade_context_menu (int button, int32_t time, ArdourCanvas::Item* item, ItemType item_type)
1287 {
1288         using namespace Menu_Helpers;
1289         AudioRegionView* arv = static_cast<AudioRegionView*> (item->get_data ("regionview"));
1290
1291         if (arv == 0) {
1292                 fatal << _("programming error: fade in canvas item has no regionview data pointer!") << endmsg;
1293                 /*NOTREACHED*/
1294         }
1295
1296         MenuList& items (fade_context_menu.items());
1297
1298         items.clear ();
1299
1300         switch (item_type) {
1301         case FadeInItem:
1302         case FadeInHandleItem:
1303                 if (arv->audio_region()->fade_in_active()) {
1304                         items.push_back (MenuElem (_("Deactivate"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_active), false)));
1305                 } else {
1306                         items.push_back (MenuElem (_("Activate"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_active), true)));
1307                 }
1308
1309                 items.push_back (SeparatorElem());
1310
1311                 if (Profile->get_sae()) {
1312                         items.push_back (MenuElem (_("Linear"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Linear)));
1313                         items.push_back (MenuElem (_("Slowest"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Fast)));
1314                 } else {
1315                         items.push_back (MenuElem (_("Linear"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Linear)));
1316                         items.push_back (MenuElem (_("Slowest"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Fast)));
1317                         items.push_back (MenuElem (_("Slow"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::LogB)));
1318                         items.push_back (MenuElem (_("Fast"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::LogA)));
1319                         items.push_back (MenuElem (_("Fastest"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Slow)));
1320                 }
1321
1322                 break;
1323
1324         case FadeOutItem:
1325         case FadeOutHandleItem:
1326                 if (arv->audio_region()->fade_out_active()) {
1327                         items.push_back (MenuElem (_("Deactivate"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_active), false)));
1328                 } else {
1329                         items.push_back (MenuElem (_("Activate"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_active), true)));
1330                 }
1331
1332                 items.push_back (SeparatorElem());
1333
1334                 if (Profile->get_sae()) {
1335                         items.push_back (MenuElem (_("Linear"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Linear)));
1336                         items.push_back (MenuElem (_("Slowest"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Slow)));
1337                 } else {
1338                         items.push_back (MenuElem (_("Linear"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Linear)));
1339                         items.push_back (MenuElem (_("Slowest"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Slow)));
1340                         items.push_back (MenuElem (_("Slow"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::LogA)));
1341                         items.push_back (MenuElem (_("Fast"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::LogB)));
1342                         items.push_back (MenuElem (_("Fastest"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Fast)));
1343                 }
1344
1345                 break;
1346
1347         default:
1348                 fatal << _("programming error: ")
1349                       << X_("non-fade canvas item passed to popup_fade_context_menu()")
1350                       << endmsg;
1351                 /*NOTREACHED*/
1352         }
1353
1354         fade_context_menu.popup (button, time);
1355 }
1356
1357 void
1358 Editor::popup_track_context_menu (int button, int32_t time, ItemType item_type, bool with_selection, nframes64_t frame)
1359 {
1360         using namespace Menu_Helpers;
1361         Menu* (Editor::*build_menu_function)(nframes64_t);
1362         Menu *menu;
1363
1364         switch (item_type) {
1365         case RegionItem:
1366         case RegionViewName:
1367         case RegionViewNameHighlight:
1368         case LeftFrameHandle:
1369         case RightFrameHandle:
1370                 if (with_selection) {
1371                         build_menu_function = &Editor::build_track_selection_context_menu;
1372                 } else {
1373                         build_menu_function = &Editor::build_track_region_context_menu;
1374                 }
1375                 break;
1376
1377         case SelectionItem:
1378                 if (with_selection) {
1379                         build_menu_function = &Editor::build_track_selection_context_menu;
1380                 } else {
1381                         build_menu_function = &Editor::build_track_context_menu;
1382                 }
1383                 break;
1384
1385         case CrossfadeViewItem:
1386                 build_menu_function = &Editor::build_track_crossfade_context_menu;
1387                 break;
1388
1389         case StreamItem:
1390                 if (clicked_routeview->track()) {
1391                         build_menu_function = &Editor::build_track_context_menu;
1392                 } else {
1393                         build_menu_function = &Editor::build_track_bus_context_menu;
1394                 }
1395                 break;
1396
1397         default:
1398                 /* probably shouldn't happen but if it does, we don't care */
1399                 return;
1400         }
1401
1402         menu = (this->*build_menu_function)(frame);
1403         menu->set_name ("ArdourContextMenu");
1404
1405         /* now handle specific situations */
1406
1407         switch (item_type) {
1408         case RegionItem:
1409         case RegionViewName:
1410         case RegionViewNameHighlight:
1411         case LeftFrameHandle:
1412         case RightFrameHandle:
1413                 if (!with_selection) {
1414                         if (region_edit_menu_split_item) {
1415                                 if (clicked_regionview && clicked_regionview->region()->covers (get_preferred_edit_position())) {
1416                                         ActionManager::set_sensitive (ActionManager::edit_point_in_region_sensitive_actions, true);
1417                                 } else {
1418                                         ActionManager::set_sensitive (ActionManager::edit_point_in_region_sensitive_actions, false);
1419                                 }
1420                         }
1421                         if (region_edit_menu_split_multichannel_item) {
1422                                 if (clicked_regionview && clicked_regionview->region()->n_channels() > 1) {
1423                                         region_edit_menu_split_multichannel_item->set_sensitive (true);
1424                                 } else {
1425                                         region_edit_menu_split_multichannel_item->set_sensitive (false);
1426                                 }
1427                         }
1428                 }
1429                 break;
1430
1431         case SelectionItem:
1432                 break;
1433
1434         case CrossfadeViewItem:
1435                 break;
1436
1437         case StreamItem:
1438                 break;
1439
1440         default:
1441                 /* probably shouldn't happen but if it does, we don't care */
1442                 return;
1443         }
1444
1445         if (item_type != SelectionItem && clicked_routeview && clicked_routeview->audio_track()) {
1446
1447                 /* Bounce to disk */
1448
1449                 using namespace Menu_Helpers;
1450                 MenuList& edit_items  = menu->items();
1451
1452                 edit_items.push_back (SeparatorElem());
1453
1454                 switch (clicked_routeview->audio_track()->freeze_state()) {
1455                 case AudioTrack::NoFreeze:
1456                         edit_items.push_back (MenuElem (_("Freeze"), sigc::mem_fun(*this, &Editor::freeze_route)));
1457                         break;
1458
1459                 case AudioTrack::Frozen:
1460                         edit_items.push_back (MenuElem (_("Unfreeze"), sigc::mem_fun(*this, &Editor::unfreeze_route)));
1461                         break;
1462
1463                 case AudioTrack::UnFrozen:
1464                         edit_items.push_back (MenuElem (_("Freeze"), sigc::mem_fun(*this, &Editor::freeze_route)));
1465                         break;
1466                 }
1467
1468         }
1469
1470         if (item_type == StreamItem && clicked_routeview) {
1471                 clicked_routeview->build_underlay_menu(menu);
1472         }
1473
1474         menu->popup (button, time);
1475 }
1476
1477 Menu*
1478 Editor::build_track_context_menu (nframes64_t)
1479 {
1480         using namespace Menu_Helpers;
1481
1482         MenuList& edit_items = track_context_menu.items();
1483         edit_items.clear();
1484
1485         add_dstream_context_items (edit_items);
1486         return &track_context_menu;
1487 }
1488
1489 Menu*
1490 Editor::build_track_bus_context_menu (nframes64_t)
1491 {
1492         using namespace Menu_Helpers;
1493
1494         MenuList& edit_items = track_context_menu.items();
1495         edit_items.clear();
1496
1497         add_bus_context_items (edit_items);
1498         return &track_context_menu;
1499 }
1500
1501 Menu*
1502 Editor::build_track_region_context_menu (nframes64_t frame)
1503 {
1504         using namespace Menu_Helpers;
1505         MenuList& edit_items  = track_region_context_menu.items();
1506         edit_items.clear();
1507
1508         /* we've just cleared the track region context menu, so the menu that these
1509            two items were on will have disappeared; stop them dangling.
1510         */
1511         region_edit_menu_split_item = 0;
1512         region_edit_menu_split_multichannel_item = 0;
1513
1514         RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (clicked_axisview);
1515
1516         if (rtv) {
1517                 boost::shared_ptr<Track> tr;
1518                 boost::shared_ptr<Playlist> pl;
1519
1520                 /* Don't offer a region submenu if we are in internal edit mode, as we don't select regions in this
1521                    mode and so offering region context is somewhat confusing.
1522                 */
1523                 if ((tr = rtv->track()) && ((pl = tr->playlist())) && !internal_editing()) {
1524                         Playlist::RegionList* regions = pl->regions_at ((nframes64_t) floor ( (double)frame * tr->speed()));
1525
1526                         if (selection->regions.size() > 1) {
1527                                 // there's already a multiple selection: just add a
1528                                 // single region context menu that will act on all
1529                                 // selected regions
1530
1531                                 list<boost::shared_ptr<Region> > regions;
1532                                 for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
1533                                         regions.push_back ((*i)->region ());
1534                                 }
1535
1536                                 add_region_context_items (rtv->view(), regions, edit_items);
1537                         } else {
1538                                 for (Playlist::RegionList::reverse_iterator i = regions->rbegin(); i != regions->rend(); ++i) {
1539                                         list<boost::shared_ptr<Region> > regions;
1540                                         regions.push_back (*i);
1541                                         add_region_context_items (rtv->view(), regions, edit_items);
1542                                 }
1543                         }
1544
1545                         delete regions;
1546                 }
1547         }
1548
1549         add_dstream_context_items (edit_items);
1550
1551         return &track_region_context_menu;
1552 }
1553
1554 Menu*
1555 Editor::build_track_crossfade_context_menu (nframes64_t frame)
1556 {
1557         using namespace Menu_Helpers;
1558         MenuList& edit_items  = track_crossfade_context_menu.items();
1559         edit_items.clear ();
1560
1561         AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*> (clicked_axisview);
1562
1563         if (atv) {
1564                 boost::shared_ptr<Track> tr;
1565                 boost::shared_ptr<Playlist> pl;
1566                 boost::shared_ptr<AudioPlaylist> apl;
1567
1568                 if ((tr = atv->track()) && ((pl = tr->playlist()) != 0) && ((apl = boost::dynamic_pointer_cast<AudioPlaylist> (pl)) != 0)) {
1569
1570                         Playlist::RegionList* regions = pl->regions_at (frame);
1571                         AudioPlaylist::Crossfades xfades;
1572
1573                         apl->crossfades_at (frame, xfades);
1574
1575                         bool many = xfades.size() > 1;
1576
1577                         for (AudioPlaylist::Crossfades::iterator i = xfades.begin(); i != xfades.end(); ++i) {
1578                                 add_crossfade_context_items (atv->audio_view(), (*i), edit_items, many);
1579                         }
1580
1581                         if (selection->regions.size() > 1) {
1582                                 // there's already a multiple selection: just add a
1583                                 // single region context menu that will act on all
1584                                 // selected regions
1585
1586                                 list<boost::shared_ptr<Region> > regions;
1587                                 for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
1588                                         regions.push_back ((*i)->region ());
1589                                 }
1590
1591                                 add_region_context_items (atv->audio_view(), regions, edit_items);
1592                         } else {
1593                                 for (Playlist::RegionList::reverse_iterator i = regions->rbegin(); i != regions->rend(); ++i) {
1594                                         list<boost::shared_ptr<Region> > regions;
1595                                         regions.push_back (*i);
1596                                         add_region_context_items (atv->audio_view(), regions, edit_items);
1597                                 }
1598                         }
1599                         delete regions;
1600                 }
1601         }
1602
1603         add_dstream_context_items (edit_items);
1604
1605         return &track_crossfade_context_menu;
1606 }
1607
1608 void
1609 Editor::analyze_region_selection()
1610 {
1611         if (analysis_window == 0) {
1612                 analysis_window = new AnalysisWindow();
1613
1614                 if (_session != 0)
1615                         analysis_window->set_session(_session);
1616
1617                 analysis_window->show_all();
1618         }
1619
1620         analysis_window->set_regionmode();
1621         analysis_window->analyze();
1622
1623         analysis_window->present();
1624 }
1625
1626 void
1627 Editor::analyze_range_selection()
1628 {
1629         if (analysis_window == 0) {
1630                 analysis_window = new AnalysisWindow();
1631
1632                 if (_session != 0)
1633                         analysis_window->set_session(_session);
1634
1635                 analysis_window->show_all();
1636         }
1637
1638         analysis_window->set_rangemode();
1639         analysis_window->analyze();
1640
1641         analysis_window->present();
1642 }
1643
1644 Menu*
1645 Editor::build_track_selection_context_menu (nframes64_t)
1646 {
1647         using namespace Menu_Helpers;
1648         MenuList& edit_items  = track_selection_context_menu.items();
1649         edit_items.clear ();
1650
1651         add_selection_context_items (edit_items);
1652         // edit_items.push_back (SeparatorElem());
1653         // add_dstream_context_items (edit_items);
1654
1655         return &track_selection_context_menu;
1656 }
1657
1658 /** Add context menu items relevant to crossfades.
1659  * @param edit_items List to add the items to.
1660  */
1661 void
1662 Editor::add_crossfade_context_items (AudioStreamView* /*view*/, boost::shared_ptr<Crossfade> xfade, Menu_Helpers::MenuList& edit_items, bool many)
1663 {
1664         using namespace Menu_Helpers;
1665         Menu     *xfade_menu = manage (new Menu);
1666         MenuList& items       = xfade_menu->items();
1667         xfade_menu->set_name ("ArdourContextMenu");
1668         string str;
1669
1670         if (xfade->active()) {
1671                 str = _("Mute");
1672         } else {
1673                 str = _("Unmute");
1674         }
1675
1676         items.push_back (MenuElem (str, sigc::bind (sigc::mem_fun(*this, &Editor::toggle_xfade_active), boost::weak_ptr<Crossfade> (xfade))));
1677         items.push_back (MenuElem (_("Edit..."), sigc::bind (sigc::mem_fun(*this, &Editor::edit_xfade), boost::weak_ptr<Crossfade> (xfade))));
1678
1679         if (xfade->can_follow_overlap()) {
1680
1681                 if (xfade->following_overlap()) {
1682                         str = _("Convert to Short");
1683                 } else {
1684                         str = _("Convert to Full");
1685                 }
1686
1687                 items.push_back (MenuElem (str, sigc::bind (sigc::mem_fun(*this, &Editor::toggle_xfade_length), xfade)));
1688         }
1689
1690         if (many) {
1691                 str = xfade->out()->name();
1692                 str += "->";
1693                 str += xfade->in()->name();
1694         } else {
1695                 str = _("Crossfade");
1696         }
1697
1698         edit_items.push_back (MenuElem (str, *xfade_menu));
1699         edit_items.push_back (SeparatorElem());
1700 }
1701
1702 void
1703 Editor::xfade_edit_left_region ()
1704 {
1705         if (clicked_crossfadeview) {
1706                 clicked_crossfadeview->left_view.show_region_editor ();
1707         }
1708 }
1709
1710 void
1711 Editor::xfade_edit_right_region ()
1712 {
1713         if (clicked_crossfadeview) {
1714                 clicked_crossfadeview->right_view.show_region_editor ();
1715         }
1716 }
1717
1718 void
1719 Editor::add_region_context_items (StreamView* sv, list<boost::shared_ptr<Region> > regions, Menu_Helpers::MenuList& edit_items)
1720 {
1721         using namespace Menu_Helpers;
1722         Gtk::MenuItem* foo_item;
1723         Menu     *region_menu = manage (new Menu);
1724         MenuList& items       = region_menu->items();
1725         region_menu->set_name ("ArdourContextMenu");
1726
1727         /* Look through the regions that we are handling and make notes about what we have got */
1728
1729         bool have_audio = false;
1730         bool have_midi = false;
1731         bool have_locked = false;
1732         bool have_unlocked = false;
1733         bool have_position_lock_style_audio = false;
1734         bool have_position_lock_style_music = false;
1735         bool have_muted = false;
1736         bool have_unmuted = false;
1737         bool have_opaque = false;
1738         bool have_non_opaque = false;
1739         bool have_not_at_natural_position = false;
1740         bool have_envelope_visible = false;
1741         bool have_envelope_invisible = false;
1742         bool have_envelope_active = false;
1743         bool have_envelope_inactive = false;
1744         bool have_non_unity_scale_amplitude = false;
1745
1746         for (list<boost::shared_ptr<Region> >::const_iterator i = regions.begin(); i != regions.end(); ++i) {
1747                 boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion> (*i);
1748                 if (ar) {
1749                         have_audio = true;
1750                 }
1751                 if (boost::dynamic_pointer_cast<MidiRegion> (*i)) {
1752                         have_midi = true;
1753                 }
1754
1755                 if ((*i)->locked()) {
1756                         have_locked = true;
1757                 } else {
1758                         have_unlocked = true;
1759                 }
1760
1761                 if ((*i)->position_lock_style() == MusicTime) {
1762                         have_position_lock_style_music = true;
1763                 } else {
1764                         have_position_lock_style_audio = true;
1765                 }
1766
1767                 if ((*i)->muted()) {
1768                         have_muted = true;
1769                 } else {
1770                         have_unmuted = true;
1771                 }
1772
1773                 if ((*i)->opaque()) {
1774                         have_opaque = true;
1775                 } else {
1776                         have_non_opaque = true;
1777                 }
1778
1779                 if (!(*i)->at_natural_position()) {
1780                         have_not_at_natural_position = true;
1781                 }
1782
1783                 if (ar) {
1784                         RegionView* rv = sv->find_view (ar);
1785                         AudioRegionView* arv = dynamic_cast<AudioRegionView*> (rv);
1786
1787                         if (arv->envelope_visible()) {
1788                                 have_envelope_visible = true;
1789                         } else {
1790                                 have_envelope_invisible = true;
1791                         }
1792
1793                         if (ar->envelope_active()) {
1794                                 have_envelope_active = true;
1795                         } else {
1796                                 have_envelope_inactive = true;
1797                         }
1798
1799                         if (ar->scale_amplitude() != 1) {
1800                                 have_non_unity_scale_amplitude = true;
1801                         }
1802                 }
1803         }
1804
1805         if (regions.size() == 1) {
1806
1807                 /* when this particular menu pops up, make the relevant region
1808                    become selected.
1809                 */
1810
1811                 region_menu->signal_map_event().connect (
1812                         sigc::bind (sigc::mem_fun(*this, &Editor::set_selected_regionview_from_map_event), sv, boost::weak_ptr<Region> (regions.front()))
1813                         );
1814
1815                 items.push_back (MenuElem (_("Rename..."), sigc::mem_fun(*this, &Editor::rename_region)));
1816
1817                 if (have_midi) {
1818                         items.push_back (MenuElem (_("List Editor..."), sigc::mem_fun(*this, &Editor::show_midi_list_editor)));
1819                 }
1820
1821                 items.push_back (MenuElem (_("Region Properties..."), sigc::mem_fun(*this, &Editor::edit_region)));
1822         }
1823
1824         items.push_back (MenuElem (_("Raise to Top Layer"), sigc::mem_fun(*this, &Editor::raise_region_to_top)));
1825         items.push_back (MenuElem (_("Lower to Bottom Layer"), sigc::mem_fun  (*this, &Editor::lower_region_to_bottom)));
1826         items.push_back (SeparatorElem());
1827         items.push_back (MenuElem (_("Define Sync Point"), sigc::mem_fun(*this, &Editor::set_region_sync_from_edit_point)));
1828         if (_edit_point == EditAtMouse) {
1829                 items.back ().set_sensitive (false);
1830         }
1831         items.push_back (MenuElem (_("Remove Sync Point"), sigc::mem_fun(*this, &Editor::remove_region_sync)));
1832         items.push_back (SeparatorElem());
1833
1834         items.push_back (MenuElem (_("Audition"), sigc::mem_fun(*this, &Editor::play_selected_region)));
1835         items.push_back (MenuElem (_("Export..."), sigc::mem_fun(*this, &Editor::export_region)));
1836         items.push_back (MenuElem (_("Bounce"), sigc::mem_fun(*this, &Editor::bounce_region_selection)));
1837
1838         if (have_audio) {
1839                 items.push_back (MenuElem (_("Spectral Analysis..."), sigc::mem_fun(*this, &Editor::analyze_region_selection)));
1840         }
1841
1842         items.push_back (SeparatorElem());
1843
1844         items.push_back (CheckMenuElem (_("Lock")));
1845         CheckMenuItem* region_lock_item = static_cast<CheckMenuItem*>(&items.back());
1846         if (have_locked && !have_unlocked) {
1847                 region_lock_item->set_active();
1848         } else if (have_locked && have_unlocked) {
1849                 region_lock_item->set_inconsistent ();
1850         }
1851         region_lock_item->signal_activate().connect (sigc::mem_fun(*this, &Editor::toggle_region_lock));
1852
1853         items.push_back (CheckMenuElem (_("Glue to Bars and Beats")));
1854         CheckMenuItem* bbt_glue_item = static_cast<CheckMenuItem*>(&items.back());
1855
1856         if (have_position_lock_style_music && !have_position_lock_style_audio) {
1857                 bbt_glue_item->set_active ();
1858         } else if (have_position_lock_style_music && have_position_lock_style_audio) {
1859                 bbt_glue_item->set_inconsistent ();
1860         }
1861
1862         bbt_glue_item->signal_activate().connect (sigc::mem_fun (*this, &Editor::toggle_region_lock_style));
1863
1864         items.push_back (CheckMenuElem (_("Mute")));
1865         CheckMenuItem* region_mute_item = static_cast<CheckMenuItem*>(&items.back());
1866
1867         if (have_muted && !have_unmuted) {
1868                 region_mute_item->set_active();
1869         } else if (have_muted && have_unmuted) {
1870                 region_mute_item->set_inconsistent ();
1871         }
1872
1873         region_mute_item->signal_activate().connect (sigc::mem_fun(*this, &Editor::toggle_region_mute));
1874
1875         items.push_back (MenuElem (_("Transpose..."), mem_fun(*this, &Editor::pitch_shift_regions)));
1876
1877         if (!Profile->get_sae()) {
1878                 items.push_back (CheckMenuElem (_("Opaque")));
1879                 CheckMenuItem* region_opaque_item = static_cast<CheckMenuItem*>(&items.back());
1880                 if (have_opaque && !have_non_opaque) {
1881                         region_opaque_item->set_active();
1882                 } else if (have_opaque && have_non_opaque) {
1883                         region_opaque_item->set_inconsistent ();
1884                 }
1885                 region_opaque_item->signal_activate().connect (sigc::mem_fun(*this, &Editor::toggle_region_opaque));
1886         }
1887
1888         items.push_back (CheckMenuElem (_("Original Position"), sigc::mem_fun(*this, &Editor::naturalize)));
1889         if (!have_not_at_natural_position) {
1890                 items.back().set_sensitive (false);
1891         }
1892
1893         items.push_back (SeparatorElem());
1894
1895         if (have_audio) {
1896
1897                 if (!Profile->get_sae()) {
1898                         items.push_back (MenuElem (_("Reset Envelope"), sigc::mem_fun(*this, &Editor::reset_region_gain_envelopes)));
1899
1900                         items.push_back (CheckMenuElem (_("Envelope Visible")));
1901                         CheckMenuItem* region_envelope_visible_item = static_cast<CheckMenuItem*> (&items.back());
1902                         if (have_envelope_visible && !have_envelope_invisible) {
1903                                 region_envelope_visible_item->set_active ();
1904                         } else if (have_envelope_visible && have_envelope_invisible) {
1905                                 region_envelope_visible_item->set_inconsistent ();
1906                         }
1907                         region_envelope_visible_item->signal_activate().connect (sigc::mem_fun(*this, &Editor::toggle_gain_envelope_visibility));
1908
1909                         items.push_back (CheckMenuElem (_("Envelope Active")));
1910                         CheckMenuItem* region_envelope_active_item = static_cast<CheckMenuItem*> (&items.back());
1911
1912                         if (have_envelope_active && !have_envelope_inactive) {
1913                                 region_envelope_active_item->set_active ();
1914                         } else if (have_envelope_active && have_envelope_inactive) {
1915                                 region_envelope_active_item->set_inconsistent ();
1916                         }
1917
1918                         region_envelope_active_item->signal_activate().connect (sigc::mem_fun(*this, &Editor::toggle_gain_envelope_active));
1919                         items.push_back (SeparatorElem());
1920                 }
1921
1922                 items.push_back (MenuElem (_("Normalize..."), sigc::mem_fun(*this, &Editor::normalize_region)));
1923                 if (have_non_unity_scale_amplitude) {
1924                         items.push_back (MenuElem (_("Reset Gain"), sigc::mem_fun(*this, &Editor::reset_region_scale_amplitude)));
1925                 }
1926
1927         } else if (have_midi) {
1928                 items.push_back (MenuElem (_("Quantize"), sigc::mem_fun(*this, &Editor::quantize_region)));
1929                 items.push_back (MenuElem (_("Fork"), sigc::mem_fun(*this, &Editor::fork_region)));
1930                 items.push_back (SeparatorElem());
1931         }
1932
1933         items.push_back (MenuElem (_("Strip Silence..."), sigc::mem_fun (*this, &Editor::strip_region_silence)));
1934         items.push_back (MenuElem (_("Reverse"), sigc::mem_fun(*this, &Editor::reverse_region)));
1935         items.push_back (SeparatorElem());
1936
1937         /* range related stuff */
1938
1939         items.push_back (MenuElem (_("Add Single Range"), sigc::mem_fun (*this, &Editor::add_location_from_audio_region)));
1940         items.push_back (MenuElem (_("Add Range Markers"), sigc::mem_fun (*this, &Editor::add_locations_from_audio_region)));
1941         if (selection->regions.size() < 2) {
1942                 items.back().set_sensitive (false);
1943         }
1944
1945         items.push_back (MenuElem (_("Set Range Selection"), sigc::mem_fun (*this, &Editor::set_selection_from_region)));
1946         items.push_back (SeparatorElem());
1947
1948         /* Nudge region */
1949
1950         Menu *nudge_menu = manage (new Menu());
1951         MenuList& nudge_items = nudge_menu->items();
1952         nudge_menu->set_name ("ArdourContextMenu");
1953
1954         nudge_items.push_back (MenuElem (_("Nudge Forward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_forward), false, false))));
1955         nudge_items.push_back (MenuElem (_("Nudge Backward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_backward), false, false))));
1956         nudge_items.push_back (MenuElem (_("Nudge Forward by Capture Offset"), (sigc::mem_fun(*this, &Editor::nudge_forward_capture_offset))));
1957         nudge_items.push_back (MenuElem (_("Nudge Backward by Capture Offset"), (sigc::mem_fun(*this, &Editor::nudge_backward_capture_offset))));
1958
1959         items.push_back (MenuElem (_("Nudge"), *nudge_menu));
1960         items.push_back (SeparatorElem());
1961
1962         Menu *trim_menu = manage (new Menu);
1963         MenuList& trim_items = trim_menu->items();
1964         trim_menu->set_name ("ArdourContextMenu");
1965
1966         trim_items.push_back (MenuElem (_("Start to Edit Point"), sigc::mem_fun(*this, &Editor::trim_region_from_edit_point)));
1967         foo_item = &trim_items.back();
1968         if (_edit_point == EditAtMouse) {
1969                 foo_item->set_sensitive (false);
1970         }
1971         trim_items.push_back (MenuElem (_("Edit Point to End"), sigc::mem_fun(*this, &Editor::trim_region_to_edit_point)));
1972         foo_item = &trim_items.back();
1973         if (_edit_point == EditAtMouse) {
1974                 foo_item->set_sensitive (false);
1975         }
1976         trim_items.push_back (MenuElem (_("Trim to Loop"), sigc::mem_fun(*this, &Editor::trim_region_to_loop)));
1977         trim_items.push_back (MenuElem (_("Trim to Punch"), sigc::mem_fun(*this, &Editor::trim_region_to_punch)));
1978
1979         items.push_back (MenuElem (_("Trim"), *trim_menu));
1980         items.push_back (SeparatorElem());
1981
1982         items.push_back (MenuElem (_("Split"), (sigc::mem_fun(*this, &Editor::split))));
1983         region_edit_menu_split_item = &items.back();
1984
1985         if (_edit_point == EditAtMouse) {
1986                 region_edit_menu_split_item->set_sensitive (false);
1987         }
1988
1989         if (have_audio) {
1990                 items.push_back (MenuElem (_("Make Mono Regions"), (sigc::mem_fun(*this, &Editor::split_multichannel_region))));
1991                 region_edit_menu_split_multichannel_item = &items.back();
1992         }
1993
1994         items.push_back (MenuElem (_("Duplicate"), (sigc::bind (sigc::mem_fun(*this, &Editor::duplicate_dialog), false))));
1995         items.push_back (MenuElem (_("Multi-Duplicate..."), (sigc::bind (sigc::mem_fun(*this, &Editor::duplicate_dialog), true))));
1996         items.push_back (MenuElem (_("Fill Track"), (sigc::mem_fun(*this, &Editor::region_fill_track))));
1997         items.push_back (SeparatorElem());
1998         items.push_back (MenuElem (_("Remove"), sigc::mem_fun(*this, &Editor::remove_selected_regions)));
1999
2000         /* OK, stick the region submenu at the top of the list, and then add
2001            the standard items.
2002         */
2003
2004         /* we have to hack up the region name because "_" has a special
2005            meaning for menu titles.
2006         */
2007
2008         string::size_type pos = 0;
2009         string menu_item_name = (regions.size() == 1) ? regions.front()->name() : _("Selected Regions");
2010
2011         while ((pos = menu_item_name.find ("_", pos)) != string::npos) {
2012                 menu_item_name.replace (pos, 1, "__");
2013                 pos += 2;
2014         }
2015
2016         edit_items.push_back (MenuElem (menu_item_name, *region_menu));
2017         edit_items.push_back (SeparatorElem());
2018 }
2019
2020 /** Add context menu items relevant to selection ranges.
2021  * @param edit_items List to add the items to.
2022  */
2023 void
2024 Editor::add_selection_context_items (Menu_Helpers::MenuList& edit_items)
2025 {
2026         using namespace Menu_Helpers;
2027
2028         edit_items.push_back (MenuElem (_("Play Range"), sigc::mem_fun(*this, &Editor::play_selection)));
2029         edit_items.push_back (MenuElem (_("Loop Range"), sigc::bind (sigc::mem_fun(*this, &Editor::set_loop_from_selection), true)));
2030
2031         edit_items.push_back (SeparatorElem());
2032         edit_items.push_back (MenuElem (_("Spectral Analysis"), sigc::mem_fun(*this, &Editor::analyze_range_selection)));
2033
2034         if (!selection->regions.empty()) {
2035                 edit_items.push_back (SeparatorElem());
2036                 edit_items.push_back (MenuElem (_("Extend Range to End of Region"), sigc::bind (sigc::mem_fun(*this, &Editor::extend_selection_to_end_of_region), false)));
2037                 edit_items.push_back (MenuElem (_("Extend Range to Start of Region"), sigc::bind (sigc::mem_fun(*this, &Editor::extend_selection_to_start_of_region), false)));
2038         }
2039
2040         edit_items.push_back (SeparatorElem());
2041         edit_items.push_back (MenuElem (_("Convert to region in-place"), mem_fun(*this, &Editor::separate_region_from_selection)));
2042         edit_items.push_back (MenuElem (_("Convert to Region in Region List"), sigc::mem_fun(*this, &Editor::new_region_from_selection)));
2043
2044         edit_items.push_back (SeparatorElem());
2045         edit_items.push_back (MenuElem (_("Select All in Range"), sigc::mem_fun(*this, &Editor::select_all_selectables_using_time_selection)));
2046
2047         edit_items.push_back (SeparatorElem());
2048         edit_items.push_back (MenuElem (_("Set Loop from Range"), sigc::bind (sigc::mem_fun(*this, &Editor::set_loop_from_selection), false)));
2049         edit_items.push_back (MenuElem (_("Set Punch from Range"), sigc::mem_fun(*this, &Editor::set_punch_from_selection)));
2050
2051         edit_items.push_back (SeparatorElem());
2052         edit_items.push_back (MenuElem (_("Add Range Markers"), sigc::mem_fun (*this, &Editor::add_location_from_selection)));
2053
2054         edit_items.push_back (SeparatorElem());
2055         edit_items.push_back (MenuElem (_("Crop Region to Range"), sigc::mem_fun(*this, &Editor::crop_region_to_selection)));
2056         edit_items.push_back (MenuElem (_("Fill Range with Region"), sigc::mem_fun(*this, &Editor::region_fill_selection)));
2057         edit_items.push_back (MenuElem (_("Duplicate Range"), sigc::bind (sigc::mem_fun(*this, &Editor::duplicate_dialog), false)));
2058
2059         edit_items.push_back (SeparatorElem());
2060         edit_items.push_back (MenuElem (_("Consolidate Range"), sigc::bind (sigc::mem_fun(*this, &Editor::bounce_range_selection), true, false)));
2061         edit_items.push_back (MenuElem (_("Consolidate Range With Processing"), sigc::bind (sigc::mem_fun(*this, &Editor::bounce_range_selection), true, true)));
2062         edit_items.push_back (MenuElem (_("Bounce Range to Region List"), sigc::bind (sigc::mem_fun(*this, &Editor::bounce_range_selection), false, false)));
2063         edit_items.push_back (MenuElem (_("Bounce Range to Region List With Processing"), sigc::bind (sigc::mem_fun(*this, &Editor::bounce_range_selection), false, true)));
2064         edit_items.push_back (MenuElem (_("Export Range"), sigc::mem_fun(*this, &Editor::export_selection)));
2065 }
2066
2067
2068 void
2069 Editor::add_dstream_context_items (Menu_Helpers::MenuList& edit_items)
2070 {
2071         using namespace Menu_Helpers;
2072
2073         /* Playback */
2074
2075         Menu *play_menu = manage (new Menu);
2076         MenuList& play_items = play_menu->items();
2077         play_menu->set_name ("ArdourContextMenu");
2078
2079         play_items.push_back (MenuElem (_("Play From Edit Point"), sigc::mem_fun(*this, &Editor::play_from_edit_point)));
2080         play_items.push_back (MenuElem (_("Play From Start"), sigc::mem_fun(*this, &Editor::play_from_start)));
2081         play_items.push_back (MenuElem (_("Play Region"), sigc::mem_fun(*this, &Editor::play_selected_region)));
2082         play_items.push_back (SeparatorElem());
2083         play_items.push_back (MenuElem (_("Loop Region"), sigc::mem_fun(*this, &Editor::loop_selected_region)));
2084
2085         edit_items.push_back (MenuElem (_("Play"), *play_menu));
2086
2087         /* Selection */
2088
2089         Menu *select_menu = manage (new Menu);
2090         MenuList& select_items = select_menu->items();
2091         select_menu->set_name ("ArdourContextMenu");
2092
2093         select_items.push_back (MenuElem (_("Select All in Track"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
2094         select_items.push_back (MenuElem (_("Select All"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all), Selection::Set)));
2095         select_items.push_back (MenuElem (_("Invert Selection in Track"), sigc::mem_fun(*this, &Editor::invert_selection_in_track)));
2096         select_items.push_back (MenuElem (_("Invert Selection"), sigc::mem_fun(*this, &Editor::invert_selection)));
2097         select_items.push_back (SeparatorElem());
2098         select_items.push_back (MenuElem (_("Set Range to Loop Range"), sigc::mem_fun(*this, &Editor::set_selection_from_loop)));
2099         select_items.push_back (MenuElem (_("Set Range to Punch Range"), sigc::mem_fun(*this, &Editor::set_selection_from_punch)));
2100         select_items.push_back (SeparatorElem());
2101         select_items.push_back (MenuElem (_("Select All After Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_edit), true)));
2102         select_items.push_back (MenuElem (_("Select All Before Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_edit), false)));
2103         select_items.push_back (MenuElem (_("Select All After Playhead"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
2104         select_items.push_back (MenuElem (_("Select All Before Playhead"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
2105         select_items.push_back (MenuElem (_("Select All Between Playhead and Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_between), false)));
2106         select_items.push_back (MenuElem (_("Select All Within Playhead and Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_between), true)));
2107         select_items.push_back (MenuElem (_("Select Range Between Playhead and Edit Point"), sigc::mem_fun(*this, &Editor::select_range_between)));
2108
2109         edit_items.push_back (MenuElem (_("Select"), *select_menu));
2110
2111         /* Cut-n-Paste */
2112
2113         Menu *cutnpaste_menu = manage (new Menu);
2114         MenuList& cutnpaste_items = cutnpaste_menu->items();
2115         cutnpaste_menu->set_name ("ArdourContextMenu");
2116
2117         cutnpaste_items.push_back (MenuElem (_("Cut"), sigc::mem_fun(*this, &Editor::cut)));
2118         cutnpaste_items.push_back (MenuElem (_("Copy"), sigc::mem_fun(*this, &Editor::copy)));
2119         cutnpaste_items.push_back (MenuElem (_("Paste"), sigc::bind (sigc::mem_fun(*this, &Editor::paste), 1.0f)));
2120
2121         cutnpaste_items.push_back (SeparatorElem());
2122
2123         cutnpaste_items.push_back (MenuElem (_("Align"), sigc::bind (sigc::mem_fun(*this, &Editor::align), ARDOUR::SyncPoint)));
2124         cutnpaste_items.push_back (MenuElem (_("Align Relative"), sigc::bind (sigc::mem_fun(*this, &Editor::align_relative), ARDOUR::SyncPoint)));
2125
2126         edit_items.push_back (MenuElem (_("Edit"), *cutnpaste_menu));
2127
2128         /* Adding new material */
2129
2130         edit_items.push_back (SeparatorElem());
2131         edit_items.push_back (MenuElem (_("Insert Selected Region"), sigc::bind (sigc::mem_fun(*this, &Editor::insert_region_list_selection), 1.0f)));
2132         edit_items.push_back (MenuElem (_("Insert Existing Media"), sigc::bind (sigc::mem_fun(*this, &Editor::add_external_audio_action), ImportToTrack)));
2133
2134         /* Nudge track */
2135
2136         Menu *nudge_menu = manage (new Menu());
2137         MenuList& nudge_items = nudge_menu->items();
2138         nudge_menu->set_name ("ArdourContextMenu");
2139
2140         edit_items.push_back (SeparatorElem());
2141         nudge_items.push_back (MenuElem (_("Nudge Entire Track Forward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), false, true))));
2142         nudge_items.push_back (MenuElem (_("Nudge Track After Edit Point Forward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), true, true))));
2143         nudge_items.push_back (MenuElem (_("Nudge Entire Track Backward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), false, false))));
2144         nudge_items.push_back (MenuElem (_("Nudge Track After Edit Point Backward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), true, false))));
2145
2146         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
2147 }
2148
2149 void
2150 Editor::add_bus_context_items (Menu_Helpers::MenuList& edit_items)
2151 {
2152         using namespace Menu_Helpers;
2153
2154         /* Playback */
2155
2156         Menu *play_menu = manage (new Menu);
2157         MenuList& play_items = play_menu->items();
2158         play_menu->set_name ("ArdourContextMenu");
2159
2160         play_items.push_back (MenuElem (_("Play From Edit Point"), sigc::mem_fun(*this, &Editor::play_from_edit_point)));
2161         play_items.push_back (MenuElem (_("Play From Start"), sigc::mem_fun(*this, &Editor::play_from_start)));
2162         edit_items.push_back (MenuElem (_("Play"), *play_menu));
2163
2164         /* Selection */
2165
2166         Menu *select_menu = manage (new Menu);
2167         MenuList& select_items = select_menu->items();
2168         select_menu->set_name ("ArdourContextMenu");
2169
2170         select_items.push_back (MenuElem (_("Select All in Track"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
2171         select_items.push_back (MenuElem (_("Select All"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all), Selection::Set)));
2172         select_items.push_back (MenuElem (_("Invert Selection in Track"), sigc::mem_fun(*this, &Editor::invert_selection_in_track)));
2173         select_items.push_back (MenuElem (_("Invert Selection"), sigc::mem_fun(*this, &Editor::invert_selection)));
2174         select_items.push_back (SeparatorElem());
2175         select_items.push_back (MenuElem (_("Select All After Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_edit), true)));
2176         select_items.push_back (MenuElem (_("Select All Before Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_edit), false)));
2177         select_items.push_back (MenuElem (_("Select All After Playhead"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
2178         select_items.push_back (MenuElem (_("Select All Before Playhead"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
2179
2180         edit_items.push_back (MenuElem (_("Select"), *select_menu));
2181
2182         /* Cut-n-Paste */
2183
2184         Menu *cutnpaste_menu = manage (new Menu);
2185         MenuList& cutnpaste_items = cutnpaste_menu->items();
2186         cutnpaste_menu->set_name ("ArdourContextMenu");
2187
2188         cutnpaste_items.push_back (MenuElem (_("Cut"), sigc::mem_fun(*this, &Editor::cut)));
2189         cutnpaste_items.push_back (MenuElem (_("Copy"), sigc::mem_fun(*this, &Editor::copy)));
2190         cutnpaste_items.push_back (MenuElem (_("Paste"), sigc::bind (sigc::mem_fun(*this, &Editor::paste), 1.0f)));
2191
2192         Menu *nudge_menu = manage (new Menu());
2193         MenuList& nudge_items = nudge_menu->items();
2194         nudge_menu->set_name ("ArdourContextMenu");
2195
2196         edit_items.push_back (SeparatorElem());
2197         nudge_items.push_back (MenuElem (_("Nudge Entire Track Forward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), false, true))));
2198         nudge_items.push_back (MenuElem (_("Nudge Track After Edit Point Forward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), true, true))));
2199         nudge_items.push_back (MenuElem (_("Nudge Entire Track Backward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), false, false))));
2200         nudge_items.push_back (MenuElem (_("Nudge Track After Edit Point Backward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), true, false))));
2201
2202         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
2203 }
2204
2205 SnapType
2206 Editor::snap_type() const
2207 {
2208         return _snap_type;
2209 }
2210
2211 SnapMode
2212 Editor::snap_mode() const
2213 {
2214         return _snap_mode;
2215 }
2216
2217 void
2218 Editor::set_snap_to (SnapType st)
2219 {
2220         unsigned int snap_ind = (unsigned int)st;
2221
2222         _snap_type = st;
2223
2224         if (snap_ind > snap_type_strings.size() - 1) {
2225                 snap_ind = 0;
2226                 _snap_type = (SnapType)snap_ind;
2227         }
2228
2229         string str = snap_type_strings[snap_ind];
2230
2231         if (str != snap_type_selector.get_active_text()) {
2232                 snap_type_selector.set_active_text (str);
2233         }
2234
2235         instant_save ();
2236
2237         switch (_snap_type) {
2238         case SnapToBeatDiv32:
2239         case SnapToBeatDiv28:
2240         case SnapToBeatDiv24:
2241         case SnapToBeatDiv20:
2242         case SnapToBeatDiv16:
2243         case SnapToBeatDiv14:
2244         case SnapToBeatDiv12:
2245         case SnapToBeatDiv10:
2246         case SnapToBeatDiv8:
2247         case SnapToBeatDiv7:
2248         case SnapToBeatDiv6:
2249         case SnapToBeatDiv5:
2250         case SnapToBeatDiv4:
2251         case SnapToBeatDiv3:
2252         case SnapToBeatDiv2:
2253                 compute_bbt_ruler_scale (leftmost_frame, leftmost_frame + current_page_frames());
2254                 update_tempo_based_rulers ();
2255                 break;
2256
2257         case SnapToRegionStart:
2258         case SnapToRegionEnd:
2259         case SnapToRegionSync:
2260         case SnapToRegionBoundary:
2261                 build_region_boundary_cache ();
2262                 break;
2263
2264         default:
2265                 /* relax */
2266                 break;
2267         }
2268
2269         SnapChanged (); /* EMIT SIGNAL */
2270 }
2271
2272 void
2273 Editor::set_snap_mode (SnapMode mode)
2274 {
2275         _snap_mode = mode;
2276         string str = snap_mode_strings[(int)mode];
2277
2278         if (str != snap_mode_selector.get_active_text ()) {
2279                 snap_mode_selector.set_active_text (str);
2280         }
2281
2282         instant_save ();
2283 }
2284 void
2285 Editor::set_edit_point_preference (EditPoint ep, bool force)
2286 {
2287         bool changed = (_edit_point != ep);
2288
2289         _edit_point = ep;
2290         string str = edit_point_strings[(int)ep];
2291
2292         if (str != edit_point_selector.get_active_text ()) {
2293                 edit_point_selector.set_active_text (str);
2294         }
2295
2296         set_canvas_cursor ();
2297
2298         if (!force && !changed) {
2299                 return;
2300         }
2301
2302         const char* action=NULL;
2303
2304         switch (_edit_point) {
2305         case EditAtPlayhead:
2306                 action = "edit-at-playhead";
2307                 break;
2308         case EditAtSelectedMarker:
2309                 action = "edit-at-marker";
2310                 break;
2311         case EditAtMouse:
2312                 action = "edit-at-mouse";
2313                 break;
2314         }
2315
2316         Glib::RefPtr<Action> act = ActionManager::get_action ("Editor", action);
2317         if (act) {
2318                 Glib::RefPtr<RadioAction>::cast_dynamic(act)->set_active (true);
2319         }
2320
2321         nframes64_t foo;
2322         bool in_track_canvas;
2323
2324         if (!mouse_frame (foo, in_track_canvas)) {
2325                 in_track_canvas = false;
2326         }
2327
2328         reset_canvas_action_sensitivity (in_track_canvas);
2329
2330         instant_save ();
2331 }
2332
2333 int
2334 Editor::set_state (const XMLNode& node, int /*version*/)
2335 {
2336         const XMLProperty* prop;
2337         XMLNode* geometry;
2338         int x, y, xoff, yoff;
2339         Gdk::Geometry g;
2340
2341         if ((prop = node.property ("id")) != 0) {
2342                 _id = prop->value ();
2343         }
2344
2345         g.base_width = default_width;
2346         g.base_height = default_height;
2347         x = 1;
2348         y = 1;
2349         xoff = 0;
2350         yoff = 21;
2351
2352         if ((geometry = find_named_node (node, "geometry")) != 0) {
2353
2354                 XMLProperty* prop;
2355
2356                 if ((prop = geometry->property("x_size")) == 0) {
2357                         prop = geometry->property ("x-size");
2358                 }
2359                 if (prop) {
2360                         g.base_width = atoi(prop->value());
2361                 }
2362                 if ((prop = geometry->property("y_size")) == 0) {
2363                         prop = geometry->property ("y-size");
2364                 }
2365                 if (prop) {
2366                         g.base_height = atoi(prop->value());
2367                 }
2368
2369                 if ((prop = geometry->property ("x_pos")) == 0) {
2370                         prop = geometry->property ("x-pos");
2371                 }
2372                 if (prop) {
2373                         x = atoi (prop->value());
2374
2375                 }
2376                 if ((prop = geometry->property ("y_pos")) == 0) {
2377                         prop = geometry->property ("y-pos");
2378                 }
2379                 if (prop) {
2380                         y = atoi (prop->value());
2381                 }
2382
2383                 if ((prop = geometry->property ("x_off")) == 0) {
2384                         prop = geometry->property ("x-off");
2385                 }
2386                 if (prop) {
2387                         xoff = atoi (prop->value());
2388                 }
2389                 if ((prop = geometry->property ("y_off")) == 0) {
2390                         prop = geometry->property ("y-off");
2391                 }
2392                 if (prop) {
2393                         yoff = atoi (prop->value());
2394                 }
2395         }
2396
2397         set_default_size (g.base_width, g.base_height);
2398         move (x, y);
2399
2400         if (_session && (prop = node.property ("playhead"))) {
2401                 nframes64_t pos;
2402                 sscanf (prop->value().c_str(), "%" PRIi64, &pos);
2403                 playhead_cursor->set_position (pos);
2404         } else {
2405                 playhead_cursor->set_position (0);
2406         }
2407
2408         if ((prop = node.property ("mixer-width"))) {
2409                 editor_mixer_strip_width = Width (string_2_enum (prop->value(), editor_mixer_strip_width));
2410         }
2411
2412         if ((prop = node.property ("zoom-focus"))) {
2413                 set_zoom_focus ((ZoomFocus) atoi (prop->value()));
2414         }
2415
2416         if ((prop = node.property ("zoom"))) {
2417                 reset_zoom (PBD::atof (prop->value()));
2418         }
2419
2420         if ((prop = node.property ("snap-to"))) {
2421                 set_snap_to ((SnapType) atoi (prop->value()));
2422         }
2423
2424         if ((prop = node.property ("snap-mode"))) {
2425                 set_snap_mode ((SnapMode) atoi (prop->value()));
2426         }
2427
2428         if ((prop = node.property ("mouse-mode"))) {
2429                 MouseMode m = str2mousemode(prop->value());
2430                 set_mouse_mode (m, true);
2431         } else {
2432                 set_mouse_mode (MouseObject, true);
2433         }
2434
2435         if ((prop = node.property ("left-frame")) != 0){
2436                 nframes64_t pos;
2437                 if (sscanf (prop->value().c_str(), "%" PRId64, &pos) == 1) {
2438                         reset_x_origin (pos);
2439                 }
2440         }
2441
2442         if ((prop = node.property ("y-origin")) != 0) {
2443                 reset_y_origin (atof (prop->value ()));
2444         }
2445
2446         if ((prop = node.property ("internal-edit"))) {
2447                 bool yn = string_is_affirmative (prop->value());
2448                 RefPtr<Action> act = ActionManager::get_action (X_("MouseMode"), X_("toggle-internal-edit"));
2449                 if (act) {
2450                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2451                         tact->set_active (!yn);
2452                         tact->set_active (yn);
2453                 }
2454         }
2455
2456         if ((prop = node.property ("join-object-range"))) {
2457                 join_object_range_button.set_active (string_is_affirmative (prop->value ()));
2458         }
2459
2460         if ((prop = node.property ("edit-point"))) {
2461                 set_edit_point_preference ((EditPoint) string_2_enum (prop->value(), _edit_point), true);
2462         }
2463
2464         if ((prop = node.property ("show-measures"))) {
2465                 bool yn = string_is_affirmative (prop->value());
2466                 _show_measures = !yn;
2467                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleMeasureVisibility"));
2468                 if (act) {
2469                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2470                         /* do it twice to force the change */
2471                         tact->set_active (!yn);
2472                         tact->set_active (yn);
2473                 }
2474         }
2475
2476         if ((prop = node.property ("follow-playhead"))) {
2477                 bool yn = string_is_affirmative (prop->value());
2478                 set_follow_playhead (yn);
2479                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
2480                 if (act) {
2481                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2482                         if (tact->get_active() != yn) {
2483                                 tact->set_active (yn);
2484                         }
2485                 }
2486         }
2487
2488         if ((prop = node.property ("stationary-playhead"))) {
2489                 bool yn = (prop->value() == "yes");
2490                 set_stationary_playhead (yn);
2491                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-stationary-playhead"));
2492                 if (act) {
2493                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2494                         if (tact->get_active() != yn) {
2495                                 tact->set_active (yn);
2496                         }
2497                 }
2498         }
2499
2500         if ((prop = node.property ("region-list-sort-type"))) {
2501                 RegionListSortType st;
2502                 _regions->reset_sort_type ((RegionListSortType) string_2_enum (prop->value(), st), true);
2503         }
2504
2505         if ((prop = node.property ("xfades-visible"))) {
2506                 bool yn = string_is_affirmative (prop->value());
2507                 _xfade_visibility = !yn;
2508                 // set_xfade_visibility (yn);
2509         }
2510
2511         if ((prop = node.property ("show-editor-mixer"))) {
2512
2513                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2514                 if (act) {
2515
2516                         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2517                         bool yn = string_is_affirmative (prop->value());
2518
2519                         /* do it twice to force the change */
2520
2521                         tact->set_active (!yn);
2522                         tact->set_active (yn);
2523                 }
2524         }
2525
2526         if ((prop = node.property ("show-editor-list"))) {
2527
2528                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-list"));
2529                 assert(act);
2530                 if (act) {
2531
2532                         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2533                         bool yn = string_is_affirmative (prop->value());
2534
2535                         /* do it twice to force the change */
2536
2537                         tact->set_active (!yn);
2538                         tact->set_active (yn);
2539                 }
2540         }
2541
2542         if ((prop = node.property (X_("editor-list-page")))) {
2543                 the_notebook.set_current_page (atoi (prop->value ()));
2544         }
2545
2546         XMLNodeList children = node.children ();
2547         for (XMLNodeList::const_iterator i = children.begin(); i != children.end(); ++i) {
2548                 selection->set_state (**i, Stateful::current_state_version);
2549         }
2550
2551         return 0;
2552 }
2553
2554 XMLNode&
2555 Editor::get_state ()
2556 {
2557         XMLNode* node = new XMLNode ("Editor");
2558         char buf[32];
2559
2560         _id.print (buf, sizeof (buf));
2561         node->add_property ("id", buf);
2562
2563         if (is_realized()) {
2564                 Glib::RefPtr<Gdk::Window> win = get_window();
2565
2566                 int x, y, xoff, yoff, width, height;
2567                 win->get_root_origin(x, y);
2568                 win->get_position(xoff, yoff);
2569                 win->get_size(width, height);
2570
2571                 XMLNode* geometry = new XMLNode ("geometry");
2572
2573                 snprintf(buf, sizeof(buf), "%d", width);
2574                 geometry->add_property("x-size", string(buf));
2575                 snprintf(buf, sizeof(buf), "%d", height);
2576                 geometry->add_property("y-size", string(buf));
2577                 snprintf(buf, sizeof(buf), "%d", x);
2578                 geometry->add_property("x-pos", string(buf));
2579                 snprintf(buf, sizeof(buf), "%d", y);
2580                 geometry->add_property("y-pos", string(buf));
2581                 snprintf(buf, sizeof(buf), "%d", xoff);
2582                 geometry->add_property("x-off", string(buf));
2583                 snprintf(buf, sizeof(buf), "%d", yoff);
2584                 geometry->add_property("y-off", string(buf));
2585                 snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (static_cast<Paned*>(&edit_pane)->gobj()));
2586                 geometry->add_property("edit-horizontal-pane-pos", string(buf));
2587                 snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (static_cast<Paned*>(&editor_summary_pane)->gobj()));
2588                 geometry->add_property("edit-vertical-pane-pos", string(buf));
2589
2590                 node->add_child_nocopy (*geometry);
2591         }
2592
2593         maybe_add_mixer_strip_width (*node);
2594
2595         snprintf (buf, sizeof(buf), "%d", (int) zoom_focus);
2596         node->add_property ("zoom-focus", buf);
2597         snprintf (buf, sizeof(buf), "%f", frames_per_unit);
2598         node->add_property ("zoom", buf);
2599         snprintf (buf, sizeof(buf), "%d", (int) _snap_type);
2600         node->add_property ("snap-to", buf);
2601         snprintf (buf, sizeof(buf), "%d", (int) _snap_mode);
2602         node->add_property ("snap-mode", buf);
2603
2604         node->add_property ("edit-point", enum_2_string (_edit_point));
2605
2606         snprintf (buf, sizeof (buf), "%" PRIi64, playhead_cursor->current_frame);
2607         node->add_property ("playhead", buf);
2608         snprintf (buf, sizeof (buf), "%" PRIi64, leftmost_frame);
2609         node->add_property ("left-frame", buf);
2610         snprintf (buf, sizeof (buf), "%f", vertical_adjustment.get_value ());
2611         node->add_property ("y-origin", buf);
2612
2613         node->add_property ("show-measures", _show_measures ? "yes" : "no");
2614         node->add_property ("follow-playhead", _follow_playhead ? "yes" : "no");
2615         node->add_property ("stationary-playhead", _stationary_playhead ? "yes" : "no");
2616         node->add_property ("xfades-visible", _xfade_visibility ? "yes" : "no");
2617         node->add_property ("region-list-sort-type", enum_2_string (_regions->sort_type ()));
2618         node->add_property ("mouse-mode", enum2str(mouse_mode));
2619         node->add_property ("internal-edit", _internal_editing ? "yes" : "no");
2620         node->add_property ("join-object-range", join_object_range_button.get_active () ? "yes" : "no");
2621
2622         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2623         if (act) {
2624                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2625                 node->add_property (X_("show-editor-mixer"), tact->get_active() ? "yes" : "no");
2626         }
2627
2628         act = ActionManager::get_action (X_("Editor"), X_("show-editor-list"));
2629         if (act) {
2630                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2631                 node->add_property (X_("show-editor-list"), tact->get_active() ? "yes" : "no");
2632         }
2633
2634         snprintf (buf, sizeof (buf), "%d", the_notebook.get_current_page ());
2635         node->add_property (X_("editor-list-page"), buf);
2636
2637         node->add_child_nocopy (selection->get_state ());
2638
2639         return *node;
2640 }
2641
2642
2643
2644 /** @param y y offset from the top of all trackviews.
2645  *  @return pair: TimeAxisView that y is over, layer index.
2646  *  TimeAxisView may be 0.  Layer index is the layer number if the TimeAxisView is valid and is
2647  *  in stacked region display mode, otherwise 0.
2648  */
2649 std::pair<TimeAxisView *, layer_t>
2650 Editor::trackview_by_y_position (double y)
2651 {
2652         for (TrackViewList::iterator iter = track_views.begin(); iter != track_views.end(); ++iter) {
2653
2654                 std::pair<TimeAxisView*, int> const r = (*iter)->covers_y_position (y);
2655                 if (r.first) {
2656                         return r;
2657                 }
2658         }
2659
2660         return std::make_pair ( (TimeAxisView *) 0, 0);
2661 }
2662
2663 /** Snap a position to the grid, if appropriate, taking into account current
2664  *  grid settings and also the state of any snap modifier keys that may be pressed.
2665  *  @param start Position to snap.
2666  *  @param event Event to get current key modifier information from, or 0.
2667  */
2668 void
2669 Editor::snap_to_with_modifier (nframes64_t& start, GdkEvent const * event, int32_t direction, bool for_mark)
2670 {
2671         if (!_session || !event) {
2672                 return;
2673         }
2674
2675         if (Keyboard::modifier_state_contains (event->button.state, Keyboard::snap_modifier())) {
2676                 if (_snap_mode == SnapOff) {
2677                         snap_to_internal (start, direction, for_mark);
2678                 }
2679         } else {
2680                 if (_snap_mode != SnapOff) {
2681                         snap_to_internal (start, direction, for_mark);
2682                 }
2683         }
2684 }
2685
2686 void
2687 Editor::snap_to (nframes64_t& start, int32_t direction, bool for_mark)
2688 {
2689         if (!_session || _snap_mode == SnapOff) {
2690                 return;
2691         }
2692
2693         snap_to_internal (start, direction, for_mark);
2694 }
2695
2696 void
2697 Editor::timecode_snap_to_internal (nframes64_t& start, int32_t direction, bool /*for_mark*/)
2698 {
2699         const nframes64_t one_timecode_second = (nframes64_t)(rint(_session->timecode_frames_per_second()) * _session->frames_per_timecode_frame());
2700         nframes64_t one_timecode_minute = (nframes64_t)(rint(_session->timecode_frames_per_second()) * _session->frames_per_timecode_frame() * 60);
2701
2702         switch (_snap_type) {
2703         case SnapToTimecodeFrame:
2704                 if (((direction == 0) && (fmod((double)start, (double)_session->frames_per_timecode_frame()) > (_session->frames_per_timecode_frame() / 2))) || (direction > 0)) {
2705                         start = (nframes64_t) (ceil ((double) start / _session->frames_per_timecode_frame()) * _session->frames_per_timecode_frame());
2706                 } else {
2707                         start = (nframes64_t) (floor ((double) start / _session->frames_per_timecode_frame()) *  _session->frames_per_timecode_frame());
2708                 }
2709                 break;
2710
2711         case SnapToTimecodeSeconds:
2712                 if (_session->timecode_offset_negative())
2713                 {
2714                         start += _session->timecode_offset ();
2715                 } else {
2716                         start -= _session->timecode_offset ();
2717                 }
2718                 if (((direction == 0) && (start % one_timecode_second > one_timecode_second / 2)) || direction > 0) {
2719                         start = (nframes64_t) ceil ((double) start / one_timecode_second) * one_timecode_second;
2720                 } else {
2721                         start = (nframes64_t) floor ((double) start / one_timecode_second) * one_timecode_second;
2722                 }
2723
2724                 if (_session->timecode_offset_negative())
2725                 {
2726                         start -= _session->timecode_offset ();
2727                 } else {
2728                         start += _session->timecode_offset ();
2729                 }
2730                 break;
2731
2732         case SnapToTimecodeMinutes:
2733                 if (_session->timecode_offset_negative())
2734                 {
2735                         start += _session->timecode_offset ();
2736                 } else {
2737                         start -= _session->timecode_offset ();
2738                 }
2739                 if (((direction == 0) && (start % one_timecode_minute > one_timecode_minute / 2)) || direction > 0) {
2740                         start = (nframes64_t) ceil ((double) start / one_timecode_minute) * one_timecode_minute;
2741                 } else {
2742                         start = (nframes64_t) floor ((double) start / one_timecode_minute) * one_timecode_minute;
2743                 }
2744                 if (_session->timecode_offset_negative())
2745                 {
2746                         start -= _session->timecode_offset ();
2747                 } else {
2748                         start += _session->timecode_offset ();
2749                 }
2750                 break;
2751         default:
2752                 fatal << "Editor::smpte_snap_to_internal() called with non-timecode snap type!" << endmsg;
2753                 /*NOTREACHED*/
2754         }
2755 }
2756
2757 void
2758 Editor::snap_to_internal (nframes64_t& start, int32_t direction, bool for_mark)
2759 {
2760         const nframes64_t one_second = _session->frame_rate();
2761         const nframes64_t one_minute = _session->frame_rate() * 60;
2762         nframes64_t presnap = start;
2763         nframes64_t before;
2764         nframes64_t after;
2765
2766         switch (_snap_type) {
2767         case SnapToTimecodeFrame:
2768         case SnapToTimecodeSeconds:
2769         case SnapToTimecodeMinutes:
2770                 return timecode_snap_to_internal (start, direction, for_mark);
2771
2772         case SnapToCDFrame:
2773                 if (((direction == 0) && (start % (one_second/75) > (one_second/75) / 2)) || (direction > 0)) {
2774                         start = (nframes64_t) ceil ((double) start / (one_second / 75)) * (one_second / 75);
2775                 } else {
2776                         start = (nframes64_t) floor ((double) start / (one_second / 75)) * (one_second / 75);
2777                 }
2778                 break;
2779
2780         case SnapToSeconds:
2781                 if (((direction == 0) && (start % one_second > one_second / 2)) || (direction > 0)) {
2782                         start = (nframes64_t) ceil ((double) start / one_second) * one_second;
2783                 } else {
2784                         start = (nframes64_t) floor ((double) start / one_second) * one_second;
2785                 }
2786                 break;
2787
2788         case SnapToMinutes:
2789                 if (((direction == 0) && (start % one_minute > one_minute / 2)) || (direction > 0)) {
2790                         start = (nframes64_t) ceil ((double) start / one_minute) * one_minute;
2791                 } else {
2792                         start = (nframes64_t) floor ((double) start / one_minute) * one_minute;
2793                 }
2794                 break;
2795
2796         case SnapToBar:
2797                 start = _session->tempo_map().round_to_bar (start, direction);
2798                 break;
2799
2800         case SnapToBeat:
2801                 start = _session->tempo_map().round_to_beat (start, direction);
2802                 break;
2803
2804         case SnapToBeatDiv32:
2805                 start = _session->tempo_map().round_to_beat_subdivision (start, 32, direction);
2806                 break;
2807         case SnapToBeatDiv28:
2808                 start = _session->tempo_map().round_to_beat_subdivision (start, 28, direction);
2809                 break;
2810         case SnapToBeatDiv24:
2811                 start = _session->tempo_map().round_to_beat_subdivision (start, 24, direction);
2812                 break;
2813         case SnapToBeatDiv20:
2814                 start = _session->tempo_map().round_to_beat_subdivision (start, 20, direction);
2815                 break;
2816         case SnapToBeatDiv16:
2817                 start = _session->tempo_map().round_to_beat_subdivision (start, 16, direction);
2818                 break;
2819         case SnapToBeatDiv14:
2820                 start = _session->tempo_map().round_to_beat_subdivision (start, 14, direction);
2821                 break;
2822         case SnapToBeatDiv12:
2823                 start = _session->tempo_map().round_to_beat_subdivision (start, 12, direction);
2824                 break;
2825         case SnapToBeatDiv10:
2826                 start = _session->tempo_map().round_to_beat_subdivision (start, 10, direction);
2827                 break;
2828         case SnapToBeatDiv8:
2829                 start = _session->tempo_map().round_to_beat_subdivision (start, 8, direction);
2830                 break;
2831         case SnapToBeatDiv7:
2832                 start = _session->tempo_map().round_to_beat_subdivision (start, 7, direction);
2833                 break;
2834         case SnapToBeatDiv6:
2835                 start = _session->tempo_map().round_to_beat_subdivision (start, 6, direction);
2836                 break;
2837         case SnapToBeatDiv5:
2838                 start = _session->tempo_map().round_to_beat_subdivision (start, 5, direction);
2839                 break;
2840         case SnapToBeatDiv4:
2841                 start = _session->tempo_map().round_to_beat_subdivision (start, 4, direction);
2842                 break;
2843         case SnapToBeatDiv3:
2844                 start = _session->tempo_map().round_to_beat_subdivision (start, 3, direction);
2845                 break;
2846         case SnapToBeatDiv2:
2847                 start = _session->tempo_map().round_to_beat_subdivision (start, 2, direction);
2848                 break;
2849
2850         case SnapToMark:
2851                 if (for_mark) {
2852                         return;
2853                 }
2854
2855                 _session->locations()->marks_either_side (start, before, after);
2856
2857                 if (before == max_frames) {
2858                         start = after;
2859                 } else if (after == max_frames) {
2860                         start = before;
2861                 } else if (before != max_frames && after != max_frames) {
2862                         /* have before and after */
2863                         if ((start - before) < (after - start)) {
2864                                 start = before;
2865                         } else {
2866                                 start = after;
2867                         }
2868                 }
2869
2870                 break;
2871
2872         case SnapToRegionStart:
2873         case SnapToRegionEnd:
2874         case SnapToRegionSync:
2875         case SnapToRegionBoundary:
2876                 if (!region_boundary_cache.empty()) {
2877
2878                         vector<nframes64_t>::iterator prev = region_boundary_cache.end ();
2879                         vector<nframes64_t>::iterator next = region_boundary_cache.end ();
2880
2881                         if (direction > 0) {
2882                                 next = std::upper_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2883                         } else {
2884                                 next = std::lower_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2885                         }
2886
2887                         if (next != region_boundary_cache.begin ()) {
2888                                 prev = next;
2889                                 prev--;
2890                         }
2891
2892                         nframes64_t const p = (prev == region_boundary_cache.end()) ? region_boundary_cache.front () : *prev;
2893                         nframes64_t const n = (next == region_boundary_cache.end()) ? region_boundary_cache.back () : *next;
2894
2895                         if (start > (p + n) / 2) {
2896                                 start = n;
2897                         } else {
2898                                 start = p;
2899                         }
2900                 }
2901                 break;
2902         }
2903
2904         switch (_snap_mode) {
2905         case SnapNormal:
2906                 return;
2907
2908         case SnapMagnetic:
2909
2910                 if (presnap > start) {
2911                         if (presnap > (start + unit_to_frame(snap_threshold))) {
2912                                 start = presnap;
2913                         }
2914
2915                 } else if (presnap < start) {
2916                         if (presnap < (start - unit_to_frame(snap_threshold))) {
2917                                 start = presnap;
2918                         }
2919                 }
2920
2921         default:
2922                 /* handled at entry */
2923                 return;
2924
2925         }
2926 }
2927
2928
2929 void
2930 Editor::setup_toolbar ()
2931 {
2932         string pixmap_path;
2933
2934         /* Mode Buttons (tool selection) */
2935
2936         mouse_move_button.set_relief(Gtk::RELIEF_NONE);
2937         mouse_select_button.set_relief(Gtk::RELIEF_NONE);
2938         mouse_gain_button.set_relief(Gtk::RELIEF_NONE);
2939         mouse_zoom_button.set_relief(Gtk::RELIEF_NONE);
2940         mouse_timefx_button.set_relief(Gtk::RELIEF_NONE);
2941         mouse_audition_button.set_relief(Gtk::RELIEF_NONE);
2942         // internal_edit_button.set_relief(Gtk::RELIEF_NONE);
2943         join_object_range_button.set_relief(Gtk::RELIEF_NONE);
2944
2945         HBox* mode_box = manage(new HBox);
2946         mode_box->set_border_width (2);
2947         mode_box->set_spacing(4);
2948
2949         /* table containing mode buttons */
2950
2951         HBox* mouse_mode_button_box = manage (new HBox ());
2952
2953         if (Profile->get_sae()) {
2954                 mouse_mode_button_box->pack_start (mouse_move_button);
2955         } else {
2956                 mouse_mode_button_box->pack_start (mouse_move_button);
2957                 mouse_mode_button_box->pack_start (join_object_range_button);
2958                 mouse_mode_button_box->pack_start (mouse_select_button);
2959         }
2960
2961         mouse_mode_button_box->pack_start (mouse_zoom_button);
2962
2963         if (!Profile->get_sae()) {
2964                 mouse_mode_button_box->pack_start (mouse_gain_button);
2965         }
2966
2967         mouse_mode_button_box->pack_start (mouse_timefx_button);
2968         mouse_mode_button_box->pack_start (mouse_audition_button);
2969         mouse_mode_button_box->pack_start (internal_edit_button);
2970
2971         vector<string> edit_mode_strings;
2972         edit_mode_strings.push_back (edit_mode_to_string (Slide));
2973         if (!Profile->get_sae()) {
2974                 edit_mode_strings.push_back (edit_mode_to_string (Splice));
2975         }
2976         edit_mode_strings.push_back (edit_mode_to_string (Lock));
2977
2978         edit_mode_selector.set_name ("EditModeSelector");
2979         set_popdown_strings (edit_mode_selector, edit_mode_strings, true);
2980         edit_mode_selector.signal_changed().connect (sigc::mem_fun(*this, &Editor::edit_mode_selection_done));
2981
2982         mode_box->pack_start (edit_mode_selector);
2983         mode_box->pack_start (*mouse_mode_button_box);
2984
2985         _mouse_mode_tearoff = manage (new TearOff (*mode_box));
2986         _mouse_mode_tearoff->set_name ("MouseModeBase");
2987         _mouse_mode_tearoff->tearoff_window().signal_key_press_event().connect (sigc::bind (sigc::ptr_fun (relay_key_press), &_mouse_mode_tearoff->tearoff_window()), false);
2988
2989         if (Profile->get_sae()) {
2990                 _mouse_mode_tearoff->set_can_be_torn_off (false);
2991         }
2992
2993         _mouse_mode_tearoff->Detach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2994                                                          &_mouse_mode_tearoff->tearoff_window()));
2995         _mouse_mode_tearoff->Attach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2996                                                          &_mouse_mode_tearoff->tearoff_window(), 1));
2997         _mouse_mode_tearoff->Hidden.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2998                                                          &_mouse_mode_tearoff->tearoff_window()));
2999         _mouse_mode_tearoff->Visible.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
3000                                                           &_mouse_mode_tearoff->tearoff_window(), 1));
3001
3002         mouse_move_button.set_mode (false);
3003         mouse_select_button.set_mode (false);
3004         mouse_gain_button.set_mode (false);
3005         mouse_zoom_button.set_mode (false);
3006         mouse_timefx_button.set_mode (false);
3007         mouse_audition_button.set_mode (false);
3008         join_object_range_button.set_mode (false);
3009
3010         mouse_move_button.set_name ("MouseModeButton");
3011         mouse_select_button.set_name ("MouseModeButton");
3012         mouse_gain_button.set_name ("MouseModeButton");
3013         mouse_zoom_button.set_name ("MouseModeButton");
3014         mouse_timefx_button.set_name ("MouseModeButton");
3015         mouse_audition_button.set_name ("MouseModeButton");
3016         internal_edit_button.set_name ("MouseModeButton");
3017         join_object_range_button.set_name ("MouseModeButton");
3018
3019         mouse_move_button.unset_flags (CAN_FOCUS);
3020         mouse_select_button.unset_flags (CAN_FOCUS);
3021         mouse_gain_button.unset_flags (CAN_FOCUS);
3022         mouse_zoom_button.unset_flags (CAN_FOCUS);
3023         mouse_timefx_button.unset_flags (CAN_FOCUS);
3024         mouse_audition_button.unset_flags (CAN_FOCUS);
3025         internal_edit_button.unset_flags (CAN_FOCUS);
3026         join_object_range_button.unset_flags (CAN_FOCUS);
3027
3028         /* Zoom */
3029
3030         _zoom_box.set_spacing (1);
3031         _zoom_box.set_border_width (0);
3032
3033         zoom_in_button.set_name ("EditorTimeButton");
3034         zoom_in_button.set_image (*(manage (new Image (Stock::ZOOM_IN, Gtk::ICON_SIZE_MENU))));
3035         zoom_in_button.signal_clicked().connect (sigc::bind (sigc::mem_fun(*this, &Editor::temporal_zoom_step), false));
3036
3037         zoom_out_button.set_name ("EditorTimeButton");
3038         zoom_out_button.set_image (*(manage (new Image (Stock::ZOOM_OUT, Gtk::ICON_SIZE_MENU))));
3039         zoom_out_button.signal_clicked().connect (sigc::bind (sigc::mem_fun(*this, &Editor::temporal_zoom_step), true));
3040
3041         zoom_out_full_button.set_name ("EditorTimeButton");
3042         zoom_out_full_button.set_image (*(manage (new Image (Stock::ZOOM_100, Gtk::ICON_SIZE_MENU))));
3043         zoom_out_full_button.signal_clicked().connect (sigc::mem_fun(*this, &Editor::temporal_zoom_session));
3044
3045         zoom_focus_selector.set_name ("ZoomFocusSelector");
3046         set_popdown_strings (zoom_focus_selector, zoom_focus_strings, true);
3047         zoom_focus_selector.signal_changed().connect (sigc::mem_fun(*this, &Editor::zoom_focus_selection_done));
3048
3049         _zoom_box.pack_start (zoom_out_button, false, false);
3050         _zoom_box.pack_start (zoom_in_button, false, false);
3051         _zoom_box.pack_start (zoom_out_full_button, false, false);
3052
3053         _zoom_box.pack_start (zoom_focus_selector);
3054
3055         /* Track zoom buttons */
3056         tav_expand_button.set_name ("TrackHeightButton");
3057         tav_expand_button.set_size_request(-1,20);
3058         tav_expand_button.add (*(manage (new Image (::get_icon("tav_exp")))));
3059         tav_expand_button.signal_clicked().connect (sigc::bind (sigc::mem_fun(*this, &Editor::tav_zoom_step), true));
3060
3061         tav_shrink_button.set_name ("TrackHeightButton");
3062         tav_shrink_button.set_size_request(-1,20);
3063         tav_shrink_button.add (*(manage (new Image (::get_icon("tav_shrink")))));
3064         tav_shrink_button.signal_clicked().connect (sigc::bind (sigc::mem_fun(*this, &Editor::tav_zoom_step), false));
3065
3066         _zoom_box.pack_start (tav_shrink_button);
3067         _zoom_box.pack_start (tav_expand_button);
3068
3069         _zoom_tearoff = manage (new TearOff (_zoom_box));
3070
3071         _zoom_tearoff->Detach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
3072                                                    &_zoom_tearoff->tearoff_window()));
3073         _zoom_tearoff->Attach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
3074                                                    &_zoom_tearoff->tearoff_window(), 0));
3075         _zoom_tearoff->Hidden.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
3076                                                    &_zoom_tearoff->tearoff_window()));
3077         _zoom_tearoff->Visible.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
3078                                                     &_zoom_tearoff->tearoff_window(), 0));
3079
3080         snap_box.set_spacing (1);
3081         snap_box.set_border_width (2);
3082
3083         snap_type_selector.set_name ("SnapTypeSelector");
3084         set_popdown_strings (snap_type_selector, snap_type_strings, true);
3085         snap_type_selector.signal_changed().connect (sigc::mem_fun(*this, &Editor::snap_type_selection_done));
3086
3087         snap_mode_selector.set_name ("SnapModeSelector");
3088         set_popdown_strings (snap_mode_selector, snap_mode_strings, true);
3089         snap_mode_selector.signal_changed().connect (sigc::mem_fun(*this, &Editor::snap_mode_selection_done));
3090
3091         edit_point_selector.set_name ("EditPointSelector");
3092         set_popdown_strings (edit_point_selector, edit_point_strings, true);
3093         edit_point_selector.signal_changed().connect (sigc::mem_fun(*this, &Editor::edit_point_selection_done));
3094
3095         snap_box.pack_start (snap_mode_selector, false, false);
3096         snap_box.pack_start (snap_type_selector, false, false);
3097         snap_box.pack_start (edit_point_selector, false, false);
3098
3099         /* Nudge */
3100
3101         HBox *nudge_box = manage (new HBox);
3102         nudge_box->set_spacing(1);
3103         nudge_box->set_border_width (2);
3104
3105         nudge_forward_button.signal_button_release_event().connect (sigc::mem_fun(*this, &Editor::nudge_forward_release), false);
3106         nudge_backward_button.signal_button_release_event().connect (sigc::mem_fun(*this, &Editor::nudge_backward_release), false);
3107
3108         nudge_box->pack_start (nudge_backward_button, false, false);
3109         nudge_box->pack_start (nudge_forward_button, false, false);
3110         nudge_box->pack_start (nudge_clock, false, false);
3111
3112
3113         /* Pack everything in... */
3114
3115         HBox* hbox = manage (new HBox);
3116         hbox->set_spacing(10);
3117
3118         _tools_tearoff = manage (new TearOff (*hbox));
3119         _tools_tearoff->set_name ("MouseModeBase");
3120         _tools_tearoff->tearoff_window().signal_key_press_event().connect (sigc::bind (sigc::ptr_fun (relay_key_press), &_tools_tearoff->tearoff_window()), false);
3121
3122         if (Profile->get_sae()) {
3123                 _tools_tearoff->set_can_be_torn_off (false);
3124         }
3125
3126         _tools_tearoff->Detach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
3127                                                     &_tools_tearoff->tearoff_window()));
3128         _tools_tearoff->Attach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
3129                                                     &_tools_tearoff->tearoff_window(), 0));
3130         _tools_tearoff->Hidden.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
3131                                                     &_tools_tearoff->tearoff_window()));
3132         _tools_tearoff->Visible.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
3133                                                      &_tools_tearoff->tearoff_window(), 0));
3134
3135         toolbar_hbox.set_spacing (10);
3136         toolbar_hbox.set_border_width (1);
3137
3138         toolbar_hbox.pack_start (*_mouse_mode_tearoff, false, false);
3139         toolbar_hbox.pack_start (*_zoom_tearoff, false, false);
3140         toolbar_hbox.pack_start (*_tools_tearoff, false, false);
3141
3142         hbox->pack_start (snap_box, false, false);
3143         hbox->pack_start (*nudge_box, false, false);
3144         hbox->pack_start (panic_box, false, false);
3145
3146         hbox->show_all ();
3147
3148         toolbar_base.set_name ("ToolBarBase");
3149         toolbar_base.add (toolbar_hbox);
3150
3151         toolbar_frame.set_shadow_type (SHADOW_OUT);
3152         toolbar_frame.set_name ("BaseFrame");
3153         toolbar_frame.add (toolbar_base);
3154 }
3155
3156 void
3157 Editor::setup_tooltips ()
3158 {
3159         ARDOUR_UI::instance()->set_tip (mouse_move_button, _("Select/Move Objects"));
3160         ARDOUR_UI::instance()->set_tip (mouse_gain_button, _("Draw Gain Automation"));
3161         ARDOUR_UI::instance()->set_tip (mouse_zoom_button, _("Select Zoom Range"));
3162         ARDOUR_UI::instance()->set_tip (mouse_timefx_button, _("Stretch/Shrink Regions and MIDI Notes"));
3163         ARDOUR_UI::instance()->set_tip (mouse_audition_button, _("Listen to Specific Regions"));
3164         ARDOUR_UI::instance()->set_tip (join_object_range_button, _("Select/Move Objects or Ranges"));
3165         ARDOUR_UI::instance()->set_tip (internal_edit_button, _("Edit Region Contents (e.g. notes)"));
3166         ARDOUR_UI::instance()->set_tip (*_group_tabs, _("Groups: context-click for possible operations"));
3167         ARDOUR_UI::instance()->set_tip (nudge_forward_button, _("Nudge Region/Selection Forwards"));
3168         ARDOUR_UI::instance()->set_tip (nudge_backward_button, _("Nudge Region/Selection Backwards"));
3169         ARDOUR_UI::instance()->set_tip (zoom_in_button, _("Zoom In"));
3170         ARDOUR_UI::instance()->set_tip (zoom_out_button, _("Zoom Out"));
3171         ARDOUR_UI::instance()->set_tip (zoom_out_full_button, _("Zoom to Session"));
3172         ARDOUR_UI::instance()->set_tip (zoom_focus_selector, _("Zoom focus"));
3173         ARDOUR_UI::instance()->set_tip (tav_expand_button, _("Expand Tracks"));
3174         ARDOUR_UI::instance()->set_tip (tav_shrink_button, _("Shrink Tracks"));
3175         ARDOUR_UI::instance()->set_tip (snap_type_selector, _("Snap/Grid Units"));
3176         ARDOUR_UI::instance()->set_tip (snap_mode_selector, _("Snap/Grid Mode"));
3177         ARDOUR_UI::instance()->set_tip (edit_point_selector, _("Edit point"));
3178         ARDOUR_UI::instance()->set_tip (midi_sound_notes, _("Sound Notes"));
3179         ARDOUR_UI::instance()->set_tip (midi_panic_button, _("Send note off and reset controller messages on all MIDI channels"));
3180         ARDOUR_UI::instance()->set_tip (edit_mode_selector, _("Edit Mode"));
3181 }
3182
3183 void
3184 Editor::midi_panic ()
3185 {
3186         cerr << "MIDI panic\n";
3187
3188         if (_session) {
3189                 _session->midi_panic();
3190         }
3191 }
3192
3193 void
3194 Editor::setup_midi_toolbar ()
3195 {
3196         RefPtr<Action> act;
3197
3198         /* Midi sound notes */
3199         midi_sound_notes.add (*(manage (new Image (::get_icon("midi_sound_notes")))));
3200         midi_sound_notes.set_relief(Gtk::RELIEF_NONE);
3201         midi_sound_notes.unset_flags (CAN_FOCUS);
3202
3203         /* Panic */
3204
3205         act = ActionManager::get_action (X_("MIDI"), X_("panic"));
3206         midi_panic_button.set_name("MidiPanicButton");
3207         act->connect_proxy (midi_panic_button);
3208
3209         panic_box.pack_start (midi_sound_notes , true, true);
3210         panic_box.pack_start (midi_panic_button, true, true);
3211 }
3212
3213 int
3214 Editor::convert_drop_to_paths (
3215                 vector<ustring>&                paths,
3216                 const RefPtr<Gdk::DragContext>& /*context*/,
3217                 gint                            /*x*/,
3218                 gint                            /*y*/,
3219                 const SelectionData&            data,
3220                 guint                           /*info*/,
3221                 guint                           /*time*/)
3222 {
3223         if (_session == 0) {
3224                 return -1;
3225         }
3226
3227         vector<ustring> uris = data.get_uris();
3228
3229         if (uris.empty()) {
3230
3231                 /* This is seriously fucked up. Nautilus doesn't say that its URI lists
3232                    are actually URI lists. So do it by hand.
3233                 */
3234
3235                 if (data.get_target() != "text/plain") {
3236                         return -1;
3237                 }
3238
3239                 /* Parse the "uri-list" format that Nautilus provides,
3240                    where each pathname is delimited by \r\n.
3241
3242                    THERE MAY BE NO NULL TERMINATING CHAR!!!
3243                 */
3244
3245                 ustring txt = data.get_text();
3246                 const char* p;
3247                 const char* q;
3248
3249                 p = (const char *) malloc (txt.length() + 1);
3250                 txt.copy ((char *) p, txt.length(), 0);
3251                 ((char*)p)[txt.length()] = '\0';
3252
3253                 while (p)
3254                 {
3255                         if (*p != '#')
3256                         {
3257                                 while (g_ascii_isspace (*p))
3258                                         p++;
3259
3260                                 q = p;
3261                                 while (*q && (*q != '\n') && (*q != '\r')) {
3262                                         q++;
3263                                 }
3264
3265                                 if (q > p)
3266                                 {
3267                                         q--;
3268                                         while (q > p && g_ascii_isspace (*q))
3269                                                 q--;
3270
3271                                         if (q > p)
3272                                         {
3273                                                 uris.push_back (ustring (p, q - p + 1));
3274                                         }
3275                                 }
3276                         }
3277                         p = strchr (p, '\n');
3278                         if (p)
3279                                 p++;
3280                 }
3281
3282                 free ((void*)p);
3283
3284                 if (uris.empty()) {
3285                         return -1;
3286                 }
3287         }
3288
3289         for (vector<ustring>::iterator i = uris.begin(); i != uris.end(); ++i) {
3290
3291                 if ((*i).substr (0,7) == "file://") {
3292
3293                         ustring p = *i;
3294                         PBD::url_decode (p);
3295
3296                         // scan forward past three slashes
3297
3298                         ustring::size_type slashcnt = 0;
3299                         ustring::size_type n = 0;
3300                         ustring::iterator x = p.begin();
3301
3302                         while (slashcnt < 3 && x != p.end()) {
3303                                 if ((*x) == '/') {
3304                                         slashcnt++;
3305                                 } else if (slashcnt == 3) {
3306                                         break;
3307                                 }
3308                                 ++n;
3309                                 ++x;
3310                         }
3311
3312                         if (slashcnt != 3 || x == p.end()) {
3313                                 error << _("malformed URL passed to drag-n-drop code") << endmsg;
3314                                 continue;
3315                         }
3316
3317                         paths.push_back (p.substr (n - 1));
3318                 }
3319         }
3320
3321         return 0;
3322 }
3323
3324 void
3325 Editor::new_tempo_section ()
3326
3327 {
3328 }
3329
3330 void
3331 Editor::map_transport_state ()
3332 {
3333         ENSURE_GUI_THREAD (*this, &Editor::map_transport_state)
3334
3335         if (_session && _session->transport_stopped()) {
3336                 have_pending_keyboard_selection = false;
3337         }
3338
3339         update_loop_range_view (true);
3340 }
3341
3342 /* UNDO/REDO */
3343
3344 Editor::State::State (PublicEditor const * e)
3345 {
3346         selection = new Selection (e);
3347 }
3348
3349 Editor::State::~State ()
3350 {
3351         delete selection;
3352 }
3353
3354 void
3355 Editor::begin_reversible_command (string name)
3356 {
3357         if (_session) {
3358                 _session->begin_reversible_command (name);
3359         }
3360 }
3361
3362 void
3363 Editor::commit_reversible_command ()
3364 {
3365         if (_session) {
3366                 _session->commit_reversible_command ();
3367         }
3368 }
3369
3370 void
3371 Editor::set_route_group_solo (Route& route, bool yn)
3372 {
3373         RouteGroup *route_group;
3374
3375         if ((route_group = route.route_group()) != 0) {
3376                 route_group->apply (&Route::set_solo, yn, this);
3377         } else {
3378                 route.set_solo (yn, this);
3379         }
3380 }
3381
3382 void
3383 Editor::set_route_group_mute (Route& route, bool yn)
3384 {
3385         RouteGroup *route_group = 0;
3386
3387         if ((route_group = route.route_group()) != 0) {
3388                 route_group->apply (&Route::set_mute, yn, this);
3389         } else {
3390                 route.set_mute (yn, this);
3391         }
3392 }
3393
3394 void
3395 Editor::history_changed ()
3396 {
3397         string label;
3398
3399         if (undo_action && _session) {
3400                 if (_session->undo_depth() == 0) {
3401                         label = _("Undo");
3402                 } else {
3403                         label = string_compose(_("Undo (%1)"), _session->next_undo());
3404                 }
3405                 undo_action->property_label() = label;
3406         }
3407
3408         if (redo_action && _session) {
3409                 if (_session->redo_depth() == 0) {
3410                         label = _("Redo");
3411                 } else {
3412                         label = string_compose(_("Redo (%1)"), _session->next_redo());
3413                 }
3414                 redo_action->property_label() = label;
3415         }
3416 }
3417
3418 void
3419 Editor::duplicate_dialog (bool with_dialog)
3420 {
3421         float times = 1.0f;
3422
3423         if (mouse_mode == MouseRange) {
3424                 if (selection->time.length() == 0) {
3425                         return;
3426                 }
3427         }
3428
3429         RegionSelection rs;
3430         get_regions_for_action (rs);
3431
3432         if (mouse_mode != MouseRange) {
3433
3434                 if (rs.empty()) {
3435                         return;
3436                 }
3437         }
3438
3439         if (with_dialog) {
3440
3441                 ArdourDialog win (_("Duplicate"));
3442                 Label label (_("Number of duplications:"));
3443                 Adjustment adjustment (1.0, 1.0, 1000000.0, 1.0, 5.0);
3444                 SpinButton spinner (adjustment, 0.0, 1);
3445                 HBox hbox;
3446
3447                 win.get_vbox()->set_spacing (12);
3448                 win.get_vbox()->pack_start (hbox);
3449                 hbox.set_border_width (6);
3450                 hbox.pack_start (label, PACK_EXPAND_PADDING, 12);
3451
3452                 /* dialogs have ::add_action_widget() but that puts the spinner in the wrong
3453                    place, visually. so do this by hand.
3454                 */
3455
3456                 hbox.pack_start (spinner, PACK_EXPAND_PADDING, 12);
3457                 spinner.signal_activate().connect (sigc::bind (sigc::mem_fun (win, &ArdourDialog::response), RESPONSE_ACCEPT));
3458                 spinner.grab_focus();
3459
3460                 hbox.show ();
3461                 label.show ();
3462                 spinner.show ();
3463
3464                 win.add_button (Stock::CANCEL, RESPONSE_CANCEL);
3465                 win.add_button (_("Duplicate"), RESPONSE_ACCEPT);
3466                 win.set_default_response (RESPONSE_ACCEPT);
3467
3468                 win.set_position (WIN_POS_MOUSE);
3469
3470                 spinner.grab_focus ();
3471
3472                 switch (win.run ()) {
3473                 case RESPONSE_ACCEPT:
3474                         break;
3475                 default:
3476                         return;
3477                 }
3478
3479                 times = adjustment.get_value();
3480         }
3481
3482         if (mouse_mode == MouseRange) {
3483                 duplicate_selection (times);
3484         } else {
3485                 duplicate_some_regions (rs, times);
3486         }
3487 }
3488
3489 void
3490 Editor::show_verbose_canvas_cursor ()
3491 {
3492         verbose_canvas_cursor->raise_to_top();
3493         verbose_canvas_cursor->show();
3494         verbose_cursor_visible = true;
3495 }
3496
3497 void
3498 Editor::hide_verbose_canvas_cursor ()
3499 {
3500         verbose_canvas_cursor->hide();
3501         verbose_cursor_visible = false;
3502 }
3503
3504 double
3505 Editor::clamp_verbose_cursor_x (double x)
3506 {
3507         if (x < 0) {
3508                 x = 0;
3509         } else {
3510                 x = min (_canvas_width - 200.0, x);
3511         }
3512         return x;
3513 }
3514
3515 double
3516 Editor::clamp_verbose_cursor_y (double y)
3517 {
3518         if (y < canvas_timebars_vsize) {
3519                 y = canvas_timebars_vsize;
3520         } else {
3521                 y = min (_canvas_height - 50, y);
3522         }
3523         return y;
3524 }
3525
3526 void
3527 Editor::show_verbose_canvas_cursor_with (const string & txt)
3528 {
3529         verbose_canvas_cursor->property_text() = txt.c_str();
3530
3531         int x, y;
3532         double wx, wy;
3533
3534         track_canvas->get_pointer (x, y);
3535         track_canvas->window_to_world (x, y, wx, wy);
3536
3537         /* don't get too close to the edge */
3538         verbose_canvas_cursor->property_x() = clamp_verbose_cursor_x (wx);
3539         verbose_canvas_cursor->property_y() = clamp_verbose_cursor_y (wy);
3540
3541         show_verbose_canvas_cursor ();
3542 }
3543
3544 void
3545 Editor::set_verbose_canvas_cursor (const string & txt, double x, double y)
3546 {
3547         verbose_canvas_cursor->property_text() = txt.c_str();
3548         /* don't get too close to the edge */
3549         verbose_canvas_cursor->property_x() = clamp_verbose_cursor_x (x);
3550         verbose_canvas_cursor->property_y() = clamp_verbose_cursor_y (y);
3551 }
3552
3553 void
3554 Editor::set_verbose_canvas_cursor_text (const string & txt)
3555 {
3556         verbose_canvas_cursor->property_text() = txt.c_str();
3557 }
3558
3559 void
3560 Editor::set_edit_mode (EditMode m)
3561 {
3562         Config->set_edit_mode (m);
3563 }
3564
3565 void
3566 Editor::cycle_edit_mode ()
3567 {
3568         switch (Config->get_edit_mode()) {
3569         case Slide:
3570                 if (Profile->get_sae()) {
3571                         Config->set_edit_mode (Lock);
3572                 } else {
3573                         Config->set_edit_mode (Splice);
3574                 }
3575                 break;
3576         case Splice:
3577                 Config->set_edit_mode (Lock);
3578                 break;
3579         case Lock:
3580                 Config->set_edit_mode (Slide);
3581                 break;
3582         }
3583 }
3584
3585 void
3586 Editor::edit_mode_selection_done ()
3587 {
3588         Config->set_edit_mode (string_to_edit_mode (edit_mode_selector.get_active_text ()));
3589 }
3590
3591 void
3592 Editor::snap_type_selection_done ()
3593 {
3594         string choice = snap_type_selector.get_active_text();
3595         SnapType snaptype = SnapToBeat;
3596
3597         if (choice == _("Beats/2")) {
3598                 snaptype = SnapToBeatDiv2;
3599         } else if (choice == _("Beats/3")) {
3600                 snaptype = SnapToBeatDiv3;
3601         } else if (choice == _("Beats/4")) {
3602                 snaptype = SnapToBeatDiv4;
3603         } else if (choice == _("Beats/5")) {
3604                 snaptype = SnapToBeatDiv5;
3605         } else if (choice == _("Beats/6")) {
3606                 snaptype = SnapToBeatDiv6;
3607         } else if (choice == _("Beats/7")) {
3608                 snaptype = SnapToBeatDiv7;
3609         } else if (choice == _("Beats/8")) {
3610                 snaptype = SnapToBeatDiv8;
3611         } else if (choice == _("Beats/10")) {
3612                 snaptype = SnapToBeatDiv10;
3613         } else if (choice == _("Beats/12")) {
3614                 snaptype = SnapToBeatDiv12;
3615         } else if (choice == _("Beats/14")) {
3616                 snaptype = SnapToBeatDiv14;
3617         } else if (choice == _("Beats/16")) {
3618                 snaptype = SnapToBeatDiv16;
3619         } else if (choice == _("Beats/20")) {
3620                 snaptype = SnapToBeatDiv20;
3621         } else if (choice == _("Beats/24")) {
3622                 snaptype = SnapToBeatDiv24;
3623         } else if (choice == _("Beats/28")) {
3624                 snaptype = SnapToBeatDiv28;
3625         } else if (choice == _("Beats/32")) {
3626                 snaptype = SnapToBeatDiv32;
3627         } else if (choice == _("Beats")) {
3628                 snaptype = SnapToBeat;
3629         } else if (choice == _("Bars")) {
3630                 snaptype = SnapToBar;
3631         } else if (choice == _("Marks")) {
3632                 snaptype = SnapToMark;
3633         } else if (choice == _("Region starts")) {
3634                 snaptype = SnapToRegionStart;
3635         } else if (choice == _("Region ends")) {
3636                 snaptype = SnapToRegionEnd;
3637         } else if (choice == _("Region bounds")) {
3638                 snaptype = SnapToRegionBoundary;
3639         } else if (choice == _("Region syncs")) {
3640                 snaptype = SnapToRegionSync;
3641         } else if (choice == _("CD Frames")) {
3642                 snaptype = SnapToCDFrame;
3643         } else if (choice == _("Timecode Frames")) {
3644                 snaptype = SnapToTimecodeFrame;
3645         } else if (choice == _("Timecode Seconds")) {
3646                 snaptype = SnapToTimecodeSeconds;
3647         } else if (choice == _("Timecode Minutes")) {
3648                 snaptype = SnapToTimecodeMinutes;
3649         } else if (choice == _("Seconds")) {
3650                 snaptype = SnapToSeconds;
3651         } else if (choice == _("Minutes")) {
3652                 snaptype = SnapToMinutes;
3653         }
3654
3655         RefPtr<RadioAction> ract = snap_type_action (snaptype);
3656         if (ract) {
3657                 ract->set_active ();
3658         }
3659 }
3660
3661 void
3662 Editor::snap_mode_selection_done ()
3663 {
3664         string choice = snap_mode_selector.get_active_text();
3665         SnapMode mode = SnapNormal;
3666
3667         if (choice == _("No Grid")) {
3668                 mode = SnapOff;
3669         } else if (choice == _("Grid")) {
3670                 mode = SnapNormal;
3671         } else if (choice == _("Magnetic")) {
3672                 mode = SnapMagnetic;
3673         }
3674
3675         RefPtr<RadioAction> ract = snap_mode_action (mode);
3676
3677         if (ract) {
3678                 ract->set_active (true);
3679         }
3680 }
3681
3682 void
3683 Editor::cycle_edit_point (bool with_marker)
3684 {
3685         switch (_edit_point) {
3686         case EditAtMouse:
3687                 set_edit_point_preference (EditAtPlayhead);
3688                 break;
3689         case EditAtPlayhead:
3690                 if (with_marker) {
3691                         set_edit_point_preference (EditAtSelectedMarker);
3692                 } else {
3693                         set_edit_point_preference (EditAtMouse);
3694                 }
3695                 break;
3696         case EditAtSelectedMarker:
3697                 set_edit_point_preference (EditAtMouse);
3698                 break;
3699         }
3700 }
3701
3702 void
3703 Editor::edit_point_selection_done ()
3704 {
3705         string choice = edit_point_selector.get_active_text();
3706         EditPoint ep = EditAtSelectedMarker;
3707
3708         if (choice == _("Marker")) {
3709                 set_edit_point_preference (EditAtSelectedMarker);
3710         } else if (choice == _("Playhead")) {
3711                 set_edit_point_preference (EditAtPlayhead);
3712         } else {
3713                 set_edit_point_preference (EditAtMouse);
3714         }
3715
3716         RefPtr<RadioAction> ract = edit_point_action (ep);
3717
3718         if (ract) {
3719                 ract->set_active (true);
3720         }
3721 }
3722
3723 void
3724 Editor::zoom_focus_selection_done ()
3725 {
3726         string choice = zoom_focus_selector.get_active_text();
3727         ZoomFocus focus_type = ZoomFocusLeft;
3728
3729         if (choice == _("Left")) {
3730                 focus_type = ZoomFocusLeft;
3731         } else if (choice == _("Right")) {
3732                 focus_type = ZoomFocusRight;
3733         } else if (choice == _("Center")) {
3734                 focus_type = ZoomFocusCenter;
3735         } else if (choice == _("Playhead")) {
3736                 focus_type = ZoomFocusPlayhead;
3737         } else if (choice == _("Mouse")) {
3738                 focus_type = ZoomFocusMouse;
3739         } else if (choice == _("Edit point")) {
3740                 focus_type = ZoomFocusEdit;
3741         }
3742
3743         RefPtr<RadioAction> ract = zoom_focus_action (focus_type);
3744
3745         if (ract) {
3746                 ract->set_active ();
3747         }
3748 }
3749
3750 gint
3751 Editor::edit_controls_button_release (GdkEventButton* ev)
3752 {
3753         if (Keyboard::is_context_menu_event (ev)) {
3754                 ARDOUR_UI::instance()->add_route (this);
3755         }
3756         return TRUE;
3757 }
3758
3759 gint
3760 Editor::mouse_select_button_release (GdkEventButton* ev)
3761 {
3762         /* this handles just right-clicks */
3763
3764         if (ev->button != 3) {
3765                 return false;
3766         }
3767
3768         return true;
3769 }
3770
3771 void
3772 Editor::set_zoom_focus (ZoomFocus f)
3773 {
3774         string str = zoom_focus_strings[(int)f];
3775
3776         if (str != zoom_focus_selector.get_active_text()) {
3777                 zoom_focus_selector.set_active_text (str);
3778         }
3779
3780         if (zoom_focus != f) {
3781                 zoom_focus = f;
3782
3783                 ZoomFocusChanged (); /* EMIT_SIGNAL */
3784
3785                 instant_save ();
3786         }
3787 }
3788
3789 void
3790 Editor::ensure_float (Window& win)
3791 {
3792         win.set_transient_for (*this);
3793 }
3794
3795 void
3796 Editor::pane_allocation_handler (Allocation &alloc, Paned* which)
3797 {
3798         /* recover or initialize pane positions. do this here rather than earlier because
3799            we don't want the positions to change the child allocations, which they seem to do.
3800          */
3801
3802         int pos;
3803         XMLProperty* prop;
3804         char buf[32];
3805         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
3806         int width, height;
3807
3808         enum Pane {
3809                 Horizontal = 0x1,
3810                 Vertical = 0x2
3811         };
3812
3813         static Pane done;
3814
3815         XMLNode* geometry;
3816
3817         width = default_width;
3818         height = default_height;
3819
3820         if ((geometry = find_named_node (*node, "geometry")) != 0) {
3821
3822                 prop = geometry->property ("x-size");
3823                 if (prop) {
3824                         width = atoi (prop->value());
3825                 }
3826                 prop = geometry->property ("y-size");
3827                 if (prop) {
3828                         height = atoi (prop->value());
3829                 }
3830         }
3831
3832         if (which == static_cast<Paned*> (&edit_pane)) {
3833
3834                 if (done & Horizontal) {
3835                         return;
3836                 }
3837
3838                 if (!geometry || (prop = geometry->property ("edit-horizontal-pane-pos")) == 0) {
3839                         /* initial allocation is 90% to canvas, 10% to notebook */
3840                         pos = (int) floor (alloc.get_width() * 0.90f);
3841                         snprintf (buf, sizeof(buf), "%d", pos);
3842                 } else {
3843                         pos = atoi (prop->value());
3844                 }
3845
3846                 if (GTK_WIDGET(edit_pane.gobj())->allocation.width > pos) {
3847                         edit_pane.set_position (pos);
3848                         pre_maximal_horizontal_pane_position = pos;
3849                 }
3850
3851                 done = (Pane) (done | Horizontal);
3852
3853         } else if (which == static_cast<Paned*> (&editor_summary_pane)) {
3854
3855                 if (done & Vertical) {
3856                         return;
3857                 }
3858
3859                 if (!geometry || (prop = geometry->property ("edit-vertical-pane-pos")) == 0) {
3860                         /* initial allocation is 90% to canvas, 10% to summary */
3861                         pos = (int) floor (alloc.get_height() * 0.90f);
3862                         snprintf (buf, sizeof(buf), "%d", pos);
3863                 } else {
3864                         pos = atoi (prop->value());
3865                 }
3866
3867                 if (GTK_WIDGET(editor_summary_pane.gobj())->allocation.height > pos) {
3868                         editor_summary_pane.set_position (pos);
3869                         pre_maximal_vertical_pane_position = pos;
3870                 }
3871
3872                 done = (Pane) (done | Vertical);
3873         }
3874 }
3875
3876 void
3877 Editor::detach_tearoff (Box* /*b*/, Window* /*w*/)
3878 {
3879         if (_tools_tearoff->torn_off() && _mouse_mode_tearoff->torn_off()) {
3880                 top_hbox.remove (toolbar_frame);
3881         }
3882 }
3883
3884 void
3885 Editor::reattach_tearoff (Box* /*b*/, Window* /*w*/, int32_t /*n*/)
3886 {
3887         if (toolbar_frame.get_parent() == 0) {
3888                 top_hbox.pack_end (toolbar_frame);
3889         }
3890 }
3891
3892 void
3893 Editor::set_show_measures (bool yn)
3894 {
3895         if (_show_measures != yn) {
3896                 hide_measures ();
3897
3898                 if ((_show_measures = yn) == true) {
3899                         if (tempo_lines)
3900                                 tempo_lines->show();
3901                         draw_measures ();
3902                 }
3903                 instant_save ();
3904         }
3905 }
3906
3907 void
3908 Editor::toggle_follow_playhead ()
3909 {
3910         RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
3911         if (act) {
3912                 RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
3913                 set_follow_playhead (tact->get_active());
3914         }
3915 }
3916
3917 void
3918 Editor::set_follow_playhead (bool yn)
3919 {
3920         if (_follow_playhead != yn) {
3921                 if ((_follow_playhead = yn) == true) {
3922                         /* catch up */
3923                         reset_x_origin_to_follow_playhead ();
3924                 }
3925                 instant_save ();
3926         }
3927 }
3928
3929 void
3930 Editor::toggle_stationary_playhead ()
3931 {
3932        RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-stationary-playhead"));
3933        if (act) {
3934                RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
3935                set_stationary_playhead (tact->get_active());
3936        }
3937 }
3938
3939 void
3940 Editor::set_stationary_playhead (bool yn)
3941 {
3942        if (_stationary_playhead != yn) {
3943                if ((_stationary_playhead = yn) == true) {
3944                        /* catch up */
3945                        // FIXME need a 3.0 equivalent of this 2.X call
3946                        // update_current_screen ();
3947                }
3948                instant_save ();
3949        }
3950 }
3951
3952 void
3953 Editor::toggle_xfade_active (boost::weak_ptr<Crossfade> wxfade)
3954 {
3955         boost::shared_ptr<Crossfade> xfade (wxfade.lock());
3956         if (xfade) {
3957                 xfade->set_active (!xfade->active());
3958         }
3959 }
3960
3961 void
3962 Editor::toggle_xfade_length (boost::weak_ptr<Crossfade> wxfade)
3963 {
3964         boost::shared_ptr<Crossfade> xfade (wxfade.lock());
3965         if (xfade) {
3966                 xfade->set_follow_overlap (!xfade->following_overlap());
3967         }
3968 }
3969
3970 void
3971 Editor::edit_xfade (boost::weak_ptr<Crossfade> wxfade)
3972 {
3973         boost::shared_ptr<Crossfade> xfade (wxfade.lock());
3974
3975         if (!xfade) {
3976                 return;
3977         }
3978
3979         CrossfadeEditor cew (_session, xfade, xfade->fade_in().get_min_y(), 1.0);
3980
3981         ensure_float (cew);
3982
3983         switch (cew.run ()) {
3984         case RESPONSE_ACCEPT:
3985                 break;
3986         default:
3987                 return;
3988         }
3989
3990         cew.apply ();
3991         PropertyChange all_crossfade_properties;
3992         all_crossfade_properties.add (ARDOUR::Properties::active);
3993         all_crossfade_properties.add (ARDOUR::Properties::follow_overlap);
3994         xfade->PropertyChanged (all_crossfade_properties);
3995 }
3996
3997 PlaylistSelector&
3998 Editor::playlist_selector () const
3999 {
4000         return *_playlist_selector;
4001 }
4002
4003 Evoral::MusicalTime
4004 Editor::get_grid_type_as_beats (bool& success, nframes64_t position)
4005 {
4006         success = true;
4007
4008         switch (_snap_type) {
4009         case SnapToBeat:
4010                 return 1.0;
4011                 break;
4012
4013         case SnapToBeatDiv32:
4014                 return 1.0/32.0;
4015                 break;
4016         case SnapToBeatDiv28:
4017                 return 1.0/28.0;
4018                 break;
4019         case SnapToBeatDiv24:
4020                 return 1.0/24.0;
4021                 break;
4022         case SnapToBeatDiv20:
4023                 return 1.0/20.0;
4024                 break;
4025         case SnapToBeatDiv16:
4026                 return 1.0/16.0;
4027                 break;
4028         case SnapToBeatDiv14:
4029                 return 1.0/14.0;
4030                 break;
4031         case SnapToBeatDiv12:
4032                 return 1.0/12.0;
4033                 break;
4034         case SnapToBeatDiv10:
4035                 return 1.0/10.0;
4036                 break;
4037         case SnapToBeatDiv8:
4038                 return 1.0/8.0;
4039                 break;
4040         case SnapToBeatDiv7:
4041                 return 1.0/7.0;
4042                 break;
4043         case SnapToBeatDiv6:
4044                 return 1.0/6.0;
4045                 break;
4046         case SnapToBeatDiv5:
4047                 return 1.0/5.0;
4048                 break;
4049         case SnapToBeatDiv4:
4050                 return 1.0/4.0;
4051                 break;
4052         case SnapToBeatDiv3:
4053                 return 1.0/3.0;
4054                 break;
4055         case SnapToBeatDiv2:
4056                 return 1.0/2.0;
4057                 break;
4058
4059         case SnapToBar:
4060                 if (_session) {
4061                         return _session->tempo_map().meter_at (position).beats_per_bar();
4062                 }
4063                 break;
4064
4065         case SnapToCDFrame:
4066         case SnapToTimecodeFrame:
4067         case SnapToTimecodeSeconds:
4068         case SnapToTimecodeMinutes:
4069         case SnapToSeconds:
4070         case SnapToMinutes:
4071         case SnapToRegionStart:
4072         case SnapToRegionEnd:
4073         case SnapToRegionSync:
4074         case SnapToRegionBoundary:
4075         default:
4076                 success = false;
4077                 break;
4078         }
4079
4080         return 0.0;
4081 }
4082
4083 nframes64_t
4084 Editor::get_nudge_distance (nframes64_t pos, nframes64_t& next)
4085 {
4086         nframes64_t ret;
4087
4088         ret = nudge_clock.current_duration (pos);
4089         next = ret + 1; /* XXXX fix me */
4090
4091         return ret;
4092 }
4093
4094 int
4095 Editor::playlist_deletion_dialog (boost::shared_ptr<Playlist> pl)
4096 {
4097         ArdourDialog dialog (_("Playlist Deletion"));
4098         Label  label (string_compose (_("Playlist %1 is currently unused.\n"
4099                                         "If left alone, no audio files used by it will be cleaned.\n"
4100                                         "If deleted, audio files used by it alone by will cleaned."),
4101                                       pl->name()));
4102
4103         dialog.set_position (WIN_POS_CENTER);
4104         dialog.get_vbox()->pack_start (label);
4105
4106         label.show ();
4107
4108         dialog.add_button (_("Delete playlist"), RESPONSE_ACCEPT);
4109         dialog.add_button (_("Keep playlist"), RESPONSE_REJECT);
4110         dialog.add_button (_("Cancel"), RESPONSE_CANCEL);
4111
4112         switch (dialog.run ()) {
4113         case RESPONSE_ACCEPT:
4114                 /* delete the playlist */
4115                 return 0;
4116                 break;
4117
4118         case RESPONSE_REJECT:
4119                 /* keep the playlist */
4120                 return 1;
4121                 break;
4122
4123         default:
4124                 break;
4125         }
4126
4127         return -1;
4128 }
4129
4130 bool
4131 Editor::audio_region_selection_covers (nframes64_t where)
4132 {
4133         for (RegionSelection::iterator a = selection->regions.begin(); a != selection->regions.end(); ++a) {
4134                 if ((*a)->region()->covers (where)) {
4135                         return true;
4136                 }
4137         }
4138
4139         return false;
4140 }
4141
4142 void
4143 Editor::prepare_for_cleanup ()
4144 {
4145         cut_buffer->clear_regions ();
4146         cut_buffer->clear_playlists ();
4147
4148         selection->clear_regions ();
4149         selection->clear_playlists ();
4150
4151         _regions->suspend_redisplay ();
4152 }
4153
4154 void
4155 Editor::finish_cleanup ()
4156 {
4157         _regions->resume_redisplay ();
4158 }
4159
4160 Location*
4161 Editor::transport_loop_location()
4162 {
4163         if (_session) {
4164                 return _session->locations()->auto_loop_location();
4165         } else {
4166                 return 0;
4167         }
4168 }
4169
4170 Location*
4171 Editor::transport_punch_location()
4172 {
4173         if (_session) {
4174                 return _session->locations()->auto_punch_location();
4175         } else {
4176                 return 0;
4177         }
4178 }
4179
4180 bool
4181 Editor::control_layout_scroll (GdkEventScroll* ev)
4182 {
4183         if (Keyboard::some_magic_widget_has_focus()) {
4184                 return false;
4185         }
4186
4187         switch (ev->direction) {
4188         case GDK_SCROLL_UP:
4189                 scroll_tracks_up_line ();
4190                 return true;
4191                 break;
4192
4193         case GDK_SCROLL_DOWN:
4194                 scroll_tracks_down_line ();
4195                 return true;
4196
4197         default:
4198                 /* no left/right handling yet */
4199                 break;
4200         }
4201
4202         return false;
4203 }
4204
4205 void
4206 Editor::session_state_saved (string snap_name)
4207 {
4208         ENSURE_GUI_THREAD (*this, &Editor::session_state_saved, snap_name);
4209
4210         update_title ();
4211         _snapshots->redisplay ();
4212 }
4213
4214 void
4215 Editor::maximise_editing_space ()
4216 {
4217         _mouse_mode_tearoff->set_visible (false);
4218         _tools_tearoff->set_visible (false);
4219         _zoom_tearoff->set_visible (false);
4220
4221         pre_maximal_horizontal_pane_position = edit_pane.get_position ();
4222         pre_maximal_vertical_pane_position = editor_summary_pane.get_position ();
4223         pre_maximal_editor_width = this->get_width ();
4224         pre_maximal_editor_height = this->get_height ();
4225
4226         if (post_maximal_horizontal_pane_position == 0) {
4227                 post_maximal_horizontal_pane_position = edit_pane.get_width();
4228         }
4229
4230         if (post_maximal_vertical_pane_position == 0) {
4231                 post_maximal_vertical_pane_position = editor_summary_pane.get_height();
4232         }
4233
4234         fullscreen ();
4235
4236         if (post_maximal_editor_width) {
4237                 edit_pane.set_position (post_maximal_horizontal_pane_position -
4238                         abs(post_maximal_editor_width - pre_maximal_editor_width));
4239         } else {
4240                 edit_pane.set_position (post_maximal_horizontal_pane_position);
4241         }
4242
4243         if (post_maximal_editor_height) {
4244                 editor_summary_pane.set_position (post_maximal_vertical_pane_position -
4245                         abs(post_maximal_editor_height - pre_maximal_editor_height));
4246         } else {
4247                 editor_summary_pane.set_position (post_maximal_vertical_pane_position);
4248         }
4249
4250         if (Config->get_keep_tearoffs()) {
4251                 _mouse_mode_tearoff->set_visible (true);
4252                 _tools_tearoff->set_visible (true);
4253                 _zoom_tearoff->set_visible (true);
4254         }
4255 }
4256
4257 void
4258 Editor::restore_editing_space ()
4259 {
4260         // user changed width/height of panes during fullscreen
4261
4262         if (post_maximal_horizontal_pane_position != edit_pane.get_position()) {
4263                 post_maximal_horizontal_pane_position = edit_pane.get_position();
4264         }
4265
4266         if (post_maximal_vertical_pane_position != editor_summary_pane.get_position()) {
4267                 post_maximal_vertical_pane_position = editor_summary_pane.get_position();
4268         }
4269
4270         unfullscreen();
4271
4272         _mouse_mode_tearoff->set_visible (true);
4273         _tools_tearoff->set_visible (true);
4274         _zoom_tearoff->set_visible (true);
4275         post_maximal_editor_width = this->get_width();
4276         post_maximal_editor_height = this->get_height();
4277
4278         edit_pane.set_position (pre_maximal_horizontal_pane_position + abs(this->get_width() - pre_maximal_editor_width));
4279         editor_summary_pane.set_position (pre_maximal_vertical_pane_position + abs(this->get_height() - pre_maximal_editor_height));
4280 }
4281
4282 /**
4283  *  Make new playlists for a given track and also any others that belong
4284  *  to the same active route group with the `edit' property.
4285  *  @param v Track.
4286  */
4287
4288 void
4289 Editor::new_playlists (TimeAxisView* v)
4290 {
4291         begin_reversible_command (_("new playlists"));
4292         vector<boost::shared_ptr<ARDOUR::Playlist> > playlists;
4293         _session->playlists->get (playlists);
4294         mapover_tracks (sigc::bind (sigc::mem_fun (*this, &Editor::mapped_use_new_playlist), playlists), v, ARDOUR::Properties::edit.property_id);
4295         commit_reversible_command ();
4296 }
4297
4298 /**
4299  *  Use a copy of the current playlist for a given track and also any others that belong
4300  *  to the same active route group with the `edit' property.
4301  *  @param v Track.
4302  */
4303
4304 void
4305 Editor::copy_playlists (TimeAxisView* v)
4306 {
4307         begin_reversible_command (_("copy playlists"));
4308         vector<boost::shared_ptr<ARDOUR::Playlist> > playlists;
4309         _session->playlists->get (playlists);
4310         mapover_tracks (sigc::bind (sigc::mem_fun (*this, &Editor::mapped_use_copy_playlist), playlists), v, ARDOUR::Properties::edit.property_id);
4311         commit_reversible_command ();
4312 }
4313
4314 /** Clear the current playlist for a given track and also any others that belong
4315  *  to the same active route group with the `edit' property.
4316  *  @param v Track.
4317  */
4318
4319 void
4320 Editor::clear_playlists (TimeAxisView* v)
4321 {
4322         begin_reversible_command (_("clear playlists"));
4323         vector<boost::shared_ptr<ARDOUR::Playlist> > playlists;
4324         _session->playlists->get (playlists);
4325         mapover_tracks (sigc::mem_fun (*this, &Editor::mapped_clear_playlist), v, ARDOUR::Properties::edit.property_id);
4326         commit_reversible_command ();
4327 }
4328
4329 void
4330 Editor::mapped_use_new_playlist (RouteTimeAxisView& atv, uint32_t sz, vector<boost::shared_ptr<ARDOUR::Playlist> > const & playlists)
4331 {
4332         atv.use_new_playlist (sz > 1 ? false : true, playlists);
4333 }
4334
4335 void
4336 Editor::mapped_use_copy_playlist (RouteTimeAxisView& atv, uint32_t sz, vector<boost::shared_ptr<ARDOUR::Playlist> > const & playlists)
4337 {
4338         atv.use_copy_playlist (sz > 1 ? false : true, playlists);
4339 }
4340
4341 void
4342 Editor::mapped_clear_playlist (RouteTimeAxisView& atv, uint32_t /*sz*/)
4343 {
4344         atv.clear_playlist ();
4345 }
4346
4347 bool
4348 Editor::on_key_press_event (GdkEventKey* ev)
4349 {
4350         return key_press_focus_accelerator_handler (*this, ev);
4351 }
4352
4353 bool
4354 Editor::on_key_release_event (GdkEventKey* ev)
4355 {
4356         return Gtk::Window::on_key_release_event (ev);
4357         // return key_press_focus_accelerator_handler (*this, ev);
4358 }
4359
4360 /** Queue up a change to the viewport x origin.
4361  *  @param frame New x origin.
4362  */
4363 void
4364 Editor::reset_x_origin (nframes64_t frame)
4365 {
4366         queue_visual_change (frame);
4367 }
4368
4369 void
4370 Editor::reset_y_origin (double y)
4371 {
4372         queue_visual_change_y (y);
4373 }
4374
4375 void
4376 Editor::reset_zoom (double fpu)
4377 {
4378         queue_visual_change (fpu);
4379 }
4380
4381 void
4382 Editor::reposition_and_zoom (nframes64_t frame, double fpu)
4383 {
4384         reset_x_origin (frame);
4385         reset_zoom (fpu);
4386
4387         if (!no_save_visual) {
4388                 undo_visual_stack.push_back (current_visual_state(false));
4389         }
4390 }
4391
4392 Editor::VisualState*
4393 Editor::current_visual_state (bool with_tracks)
4394 {
4395         VisualState* vs = new VisualState;
4396         vs->y_position = vertical_adjustment.get_value();
4397         vs->frames_per_unit = frames_per_unit;
4398         vs->leftmost_frame = leftmost_frame;
4399         vs->zoom_focus = zoom_focus;
4400
4401         if (with_tracks) {
4402                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
4403                         vs->track_states.push_back (TAVState ((*i), &(*i)->get_state()));
4404                 }
4405         }
4406
4407         return vs;
4408 }
4409
4410 void
4411 Editor::undo_visual_state ()
4412 {
4413         if (undo_visual_stack.empty()) {
4414                 return;
4415         }
4416
4417         redo_visual_stack.push_back (current_visual_state());
4418
4419         VisualState* vs = undo_visual_stack.back();
4420         undo_visual_stack.pop_back();
4421         use_visual_state (*vs);
4422 }
4423
4424 void
4425 Editor::redo_visual_state ()
4426 {
4427         if (redo_visual_stack.empty()) {
4428                 return;
4429         }
4430
4431         undo_visual_stack.push_back (current_visual_state());
4432
4433         VisualState* vs = redo_visual_stack.back();
4434         redo_visual_stack.pop_back();
4435         use_visual_state (*vs);
4436 }
4437
4438 void
4439 Editor::swap_visual_state ()
4440 {
4441         if (undo_visual_stack.empty()) {
4442                 redo_visual_state ();
4443         } else {
4444                 undo_visual_state ();
4445         }
4446 }
4447
4448 void
4449 Editor::use_visual_state (VisualState& vs)
4450 {
4451         no_save_visual = true;
4452
4453         _routes->suspend_redisplay ();
4454
4455         vertical_adjustment.set_value (vs.y_position);
4456
4457         set_zoom_focus (vs.zoom_focus);
4458         reposition_and_zoom (vs.leftmost_frame, vs.frames_per_unit);
4459
4460         for (list<TAVState>::iterator i = vs.track_states.begin(); i != vs.track_states.end(); ++i) {
4461                 TrackViewList::iterator t;
4462
4463                 /* check if the track still exists - it could have been deleted */
4464
4465                 if ((t = find (track_views.begin(), track_views.end(), i->first)) != track_views.end()) {
4466                         (*t)->set_state (*(i->second), Stateful::loading_state_version);
4467                 }
4468         }
4469
4470
4471         if (!vs.track_states.empty()) {
4472                 _routes->update_visibility ();
4473         }
4474
4475         _routes->resume_redisplay ();
4476
4477         no_save_visual = false;
4478 }
4479
4480 void
4481 Editor::set_frames_per_unit (double fpu)
4482 {
4483         /* this is the core function that controls the zoom level of the canvas. it is called
4484            whenever one or more calls are made to reset_zoom(). it executes in an idle handler.
4485         */
4486
4487         if (fpu == frames_per_unit) {
4488                 return;
4489         }
4490
4491         if (fpu < 2.0) {
4492                 fpu = 2.0;
4493         }
4494
4495
4496         /* don't allow zooms that fit more than the maximum number
4497            of frames into an 800 pixel wide space.
4498         */
4499
4500         if (max_frames / fpu < 800.0) {
4501                 return;
4502         }
4503
4504         if (tempo_lines)
4505                 tempo_lines->tempo_map_changed();
4506
4507         frames_per_unit = fpu;
4508         post_zoom ();
4509 }
4510
4511 void
4512 Editor::post_zoom ()
4513 {
4514         // convert fpu to frame count
4515
4516         nframes64_t frames = (nframes64_t) floor (frames_per_unit * _canvas_width);
4517
4518         if (frames_per_unit != zoom_range_clock.current_duration()) {
4519                 zoom_range_clock.set (frames);
4520         }
4521
4522         if (mouse_mode == MouseRange && selection->time.start () != selection->time.end_frame ()) {
4523                 for (TrackViewList::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
4524                         (*i)->reshow_selection (selection->time);
4525                 }
4526         }
4527
4528         ZoomChanged (); /* EMIT_SIGNAL */
4529
4530         //reset_scrolling_region ();
4531
4532         if (playhead_cursor) {
4533                 playhead_cursor->set_position (playhead_cursor->current_frame);
4534         }
4535
4536         refresh_location_display();
4537         _summary->set_overlays_dirty ();
4538
4539         instant_save ();
4540 }
4541
4542 void
4543 Editor::queue_visual_change (nframes64_t where)
4544 {
4545         pending_visual_change.add (VisualChange::TimeOrigin);
4546         pending_visual_change.time_origin = where;
4547         ensure_visual_change_idle_handler ();
4548 }
4549
4550 void
4551 Editor::queue_visual_change (double fpu)
4552 {
4553         pending_visual_change.add (VisualChange::ZoomLevel);
4554         pending_visual_change.frames_per_unit = fpu;
4555
4556         ensure_visual_change_idle_handler ();
4557 }
4558
4559 void
4560 Editor::queue_visual_change_y (double y)
4561 {
4562         pending_visual_change.add (VisualChange::YOrigin);
4563         pending_visual_change.y_origin = y;
4564
4565         ensure_visual_change_idle_handler ();
4566 }
4567
4568 void
4569 Editor::ensure_visual_change_idle_handler ()
4570 {
4571         if (pending_visual_change.idle_handler_id < 0) {
4572                 pending_visual_change.idle_handler_id = g_idle_add (_idle_visual_changer, this);
4573         }
4574 }
4575
4576 int
4577 Editor::_idle_visual_changer (void* arg)
4578 {
4579         return static_cast<Editor*>(arg)->idle_visual_changer ();
4580 }
4581
4582 int
4583 Editor::idle_visual_changer ()
4584 {
4585         VisualChange::Type p = pending_visual_change.pending;
4586         pending_visual_change.pending = (VisualChange::Type) 0;
4587
4588         double last_time_origin = horizontal_position ();
4589
4590         if (p & VisualChange::ZoomLevel) {
4591                 set_frames_per_unit (pending_visual_change.frames_per_unit);
4592
4593                 compute_fixed_ruler_scale ();
4594                 compute_current_bbt_points(pending_visual_change.time_origin, pending_visual_change.time_origin + current_page_frames());
4595                 compute_bbt_ruler_scale (pending_visual_change.time_origin, pending_visual_change.time_origin + current_page_frames());
4596                 update_tempo_based_rulers ();
4597         }
4598         if (p & VisualChange::TimeOrigin) {
4599                 set_horizontal_position (pending_visual_change.time_origin / frames_per_unit);
4600         }
4601         if (p & VisualChange::YOrigin) {
4602                 vertical_adjustment.set_value (pending_visual_change.y_origin);
4603         }
4604
4605         if (last_time_origin == horizontal_position ()) {
4606                 /* changed signal not emitted */
4607                 update_fixed_rulers ();
4608                 redisplay_tempo (true);
4609         }
4610
4611         _summary->set_overlays_dirty ();
4612
4613         pending_visual_change.idle_handler_id = -1;
4614         return 0; /* this is always a one-shot call */
4615 }
4616
4617 struct EditorOrderTimeAxisSorter {
4618     bool operator() (const TimeAxisView* a, const TimeAxisView* b) const {
4619             return a->order () < b->order ();
4620     }
4621 };
4622
4623 void
4624 Editor::sort_track_selection (TrackViewList* sel)
4625 {
4626         EditorOrderTimeAxisSorter cmp;
4627
4628         if (sel) {
4629                 sel->sort (cmp);
4630         } else {
4631                 selection->tracks.sort (cmp);
4632         }
4633 }
4634
4635 nframes64_t
4636 Editor::get_preferred_edit_position (bool ignore_playhead)
4637 {
4638         bool ignored;
4639         nframes64_t where = 0;
4640         EditPoint ep = _edit_point;
4641
4642         if (entered_marker) {
4643                 return entered_marker->position();
4644         }
4645
4646         if (ignore_playhead && ep == EditAtPlayhead) {
4647                 ep = EditAtSelectedMarker;
4648         }
4649
4650         switch (ep) {
4651         case EditAtPlayhead:
4652                 where = _session->audible_frame();
4653                 break;
4654
4655         case EditAtSelectedMarker:
4656                 if (!selection->markers.empty()) {
4657                         bool is_start;
4658                         Location* loc = find_location_from_marker (selection->markers.front(), is_start);
4659                         if (loc) {
4660                                 if (is_start) {
4661                                         where =  loc->start();
4662                                 } else {
4663                                         where = loc->end();
4664                                 }
4665                                 break;
4666                         }
4667                 }
4668                 /* fallthru */
4669
4670         default:
4671         case EditAtMouse:
4672                 if (!mouse_frame (where, ignored)) {
4673                         /* XXX not right but what can we do ? */
4674                         return 0;
4675                 }
4676                 snap_to (where);
4677                 break;
4678         }
4679
4680         return where;
4681 }
4682
4683 void
4684 Editor::set_loop_range (nframes64_t start, nframes64_t end, string cmd)
4685 {
4686         if (!_session) return;
4687
4688         begin_reversible_command (cmd);
4689
4690         Location* tll;
4691
4692         if ((tll = transport_loop_location()) == 0) {
4693                 Location* loc = new Location (*_session, start, end, _("Loop"),  Location::IsAutoLoop);
4694                 XMLNode &before = _session->locations()->get_state();
4695                 _session->locations()->add (loc, true);
4696                 _session->set_auto_loop_location (loc);
4697                 XMLNode &after = _session->locations()->get_state();
4698                 _session->add_command (new MementoCommand<Locations>(*(_session->locations()), &before, &after));
4699         } else {
4700                 XMLNode &before = tll->get_state();
4701                 tll->set_hidden (false, this);
4702                 tll->set (start, end);
4703                 XMLNode &after = tll->get_state();
4704                 _session->add_command (new MementoCommand<Location>(*tll, &before, &after));
4705         }
4706
4707         commit_reversible_command ();
4708 }
4709
4710 void
4711 Editor::set_punch_range (nframes64_t start, nframes64_t end, string cmd)
4712 {
4713         if (!_session) return;
4714
4715         begin_reversible_command (cmd);
4716
4717         Location* tpl;
4718
4719         if ((tpl = transport_punch_location()) == 0) {
4720                 Location* loc = new Location (*_session, start, end, _("Loop"),  Location::IsAutoPunch);
4721                 XMLNode &before = _session->locations()->get_state();
4722                 _session->locations()->add (loc, true);
4723                 _session->set_auto_loop_location (loc);
4724                 XMLNode &after = _session->locations()->get_state();
4725                 _session->add_command (new MementoCommand<Locations>(*(_session->locations()), &before, &after));
4726         }
4727         else {
4728                 XMLNode &before = tpl->get_state();
4729                 tpl->set_hidden (false, this);
4730                 tpl->set (start, end);
4731                 XMLNode &after = tpl->get_state();
4732                 _session->add_command (new MementoCommand<Location>(*tpl, &before, &after));
4733         }
4734
4735         commit_reversible_command ();
4736 }
4737
4738 /** Find regions which exist at a given time, and optionally on a given list of tracks.
4739  *  @param rs List to which found regions are added.
4740  *  @param where Time to look at.
4741  *  @param ts Tracks to look on; if this is empty, all tracks are examined.
4742  */
4743 void
4744 Editor::get_regions_at (RegionSelection& rs, nframes64_t where, const TrackViewList& ts) const
4745 {
4746         const TrackViewList* tracks;
4747
4748         if (ts.empty()) {
4749                 tracks = &track_views;
4750         } else {
4751                 tracks = &ts;
4752         }
4753
4754         for (TrackViewList::const_iterator t = tracks->begin(); t != tracks->end(); ++t) {
4755                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(*t);
4756                 if (rtv) {
4757                         boost::shared_ptr<Track> tr;
4758                         boost::shared_ptr<Playlist> pl;
4759
4760                         if ((tr = rtv->track()) && ((pl = tr->playlist()))) {
4761
4762                                 Playlist::RegionList* regions = pl->regions_at (
4763                                                 (nframes64_t) floor ( (double)where * tr->speed()));
4764
4765                                 for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
4766                                         RegionView* rv = rtv->view()->find_view (*i);
4767                                         if (rv) {
4768                                                 rs.add (rv);
4769                                         }
4770                                 }
4771
4772                                 delete regions;
4773                         }
4774                 }
4775         }
4776 }
4777
4778 void
4779 Editor::get_regions_after (RegionSelection& rs, nframes64_t where, const TrackViewList& ts) const
4780 {
4781         const TrackViewList* tracks;
4782
4783         if (ts.empty()) {
4784                 tracks = &track_views;
4785         } else {
4786                 tracks = &ts;
4787         }
4788
4789         for (TrackViewList::const_iterator t = tracks->begin(); t != tracks->end(); ++t) {
4790                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(*t);
4791                 if (rtv) {
4792                         boost::shared_ptr<Track> tr;
4793                         boost::shared_ptr<Playlist> pl;
4794
4795                         if ((tr = rtv->track()) && ((pl = tr->playlist()))) {
4796
4797                                 Playlist::RegionList* regions = pl->regions_touched (
4798                                                 (nframes64_t) floor ( (double)where * tr->speed()), max_frames);
4799
4800                                 for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
4801
4802                                         RegionView* rv = rtv->view()->find_view (*i);
4803
4804                                         if (rv) {
4805                                                 rs.push_back (rv);
4806                                         }
4807                                 }
4808
4809                                 delete regions;
4810                         }
4811                 }
4812         }
4813 }
4814
4815 /** Find all regions which are either:
4816  *      - selected or
4817  *      - the entered_regionview (if allow_entered == true) or
4818  *      - under the preferred edit position AND on a selected track, or on a track
4819  *        which is in the same active edit-enable route group as a selected region (if allow_edit_position == true)
4820  *  @param rs Returned region list.
4821  *  @param allow_entered true to include the entered_regionview in the list.
4822  */
4823 void
4824 Editor::get_regions_for_action (RegionSelection& rs, bool allow_entered, bool allow_edit_position)
4825 {
4826         /* Start with selected regions */
4827         rs = selection->regions;
4828
4829         /* Add the entered_regionview, if requested */
4830         if (allow_entered && entered_regionview) {
4831                 rs.add (entered_regionview);
4832         }
4833
4834         if (allow_edit_position) {
4835
4836                 TrackViewList tracks = selection->tracks;
4837
4838                 /* tracks is currently the set of selected tracks; add any other tracks that
4839                  * have regions that are in the same edit-activated route group as one of
4840                  * our regions */
4841                 for (RegionSelection::iterator i = rs.begin (); i != rs.end(); ++i) {
4842
4843                         RouteGroup* g = (*i)->get_time_axis_view().route_group ();
4844                         if (g && g->is_active() && g->is_edit()) {
4845                                 tracks.add (axis_views_from_routes (g->route_list()));
4846                         }
4847
4848                 }
4849
4850                 if (!tracks.empty()) {
4851                         /* now find regions that are at the edit position on those tracks */
4852                         nframes64_t const where = get_preferred_edit_position ();
4853                         get_regions_at (rs, where, tracks);
4854                 }
4855         }
4856 }
4857
4858 void
4859 Editor::get_regions_corresponding_to (boost::shared_ptr<Region> region, vector<RegionView*>& regions)
4860 {
4861         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
4862
4863                 RouteTimeAxisView* tatv;
4864
4865                 if ((tatv = dynamic_cast<RouteTimeAxisView*> (*i)) != 0) {
4866
4867                         boost::shared_ptr<Playlist> pl;
4868                         vector<boost::shared_ptr<Region> > results;
4869                         RegionView* marv;
4870                         boost::shared_ptr<Track> tr;
4871
4872                         if ((tr = tatv->track()) == 0) {
4873                                 /* bus */
4874                                 continue;
4875                         }
4876
4877                         if ((pl = (tr->playlist())) != 0) {
4878                                 pl->get_region_list_equivalent_regions (region, results);
4879                         }
4880
4881                         for (vector<boost::shared_ptr<Region> >::iterator ir = results.begin(); ir != results.end(); ++ir) {
4882                                 if ((marv = tatv->view()->find_view (*ir)) != 0) {
4883                                         regions.push_back (marv);
4884                                 }
4885                         }
4886
4887                 }
4888         }
4889 }
4890
4891 void
4892 Editor::show_rhythm_ferret ()
4893 {
4894         if (rhythm_ferret == 0) {
4895                 rhythm_ferret = new RhythmFerret(*this);
4896         }
4897
4898         rhythm_ferret->set_session (_session);
4899         rhythm_ferret->show ();
4900         rhythm_ferret->present ();
4901 }
4902
4903 void
4904 Editor::first_idle ()
4905 {
4906         MessageDialog* dialog = 0;
4907
4908         if (track_views.size() > 1) {
4909                 dialog = new MessageDialog (*this,
4910                                             string_compose (_("Please wait while %1 loads visual data"), PROGRAM_NAME),
4911                                             true,
4912                                             Gtk::MESSAGE_INFO,
4913                                             Gtk::BUTTONS_NONE);
4914                 dialog->present ();
4915                 ARDOUR_UI::instance()->flush_pending ();
4916         }
4917
4918         for (TrackViewList::iterator t = track_views.begin(); t != track_views.end(); ++t) {
4919                 (*t)->first_idle();
4920         }
4921
4922         // first idle adds route children (automation tracks), so we need to redisplay here
4923         _routes->redisplay ();
4924
4925         delete dialog;
4926
4927         _have_idled = true;
4928 }
4929
4930 gboolean
4931 Editor::_idle_resize (gpointer arg)
4932 {
4933         return ((Editor*)arg)->idle_resize ();
4934 }
4935
4936 void
4937 Editor::add_to_idle_resize (TimeAxisView* view, int32_t h)
4938 {
4939         if (resize_idle_id < 0) {
4940                 resize_idle_id = g_idle_add (_idle_resize, this);
4941                 _pending_resize_amount = 0;
4942         }
4943
4944         /* make a note of the smallest resulting height, so that we can clamp the
4945            lower limit at TimeAxisView::hSmall */
4946
4947         int32_t min_resulting = INT32_MAX;
4948
4949         _pending_resize_amount += h;
4950         _pending_resize_view = view;
4951
4952         min_resulting = min (min_resulting, int32_t (_pending_resize_view->current_height()) + _pending_resize_amount);
4953
4954         if (selection->tracks.contains (_pending_resize_view)) {
4955                 for (TrackViewList::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
4956                         min_resulting = min (min_resulting, int32_t ((*i)->current_height()) + _pending_resize_amount);
4957                 }
4958         }
4959
4960         if (min_resulting < 0) {
4961                 min_resulting = 0;
4962         }
4963
4964         /* clamp */
4965         if (uint32_t (min_resulting) < TimeAxisView::preset_height (HeightSmall)) {
4966                 _pending_resize_amount += TimeAxisView::preset_height (HeightSmall) - min_resulting;
4967         }
4968 }
4969
4970 /** Handle pending resizing of tracks */
4971 bool
4972 Editor::idle_resize ()
4973 {
4974         _pending_resize_view->idle_resize (_pending_resize_view->current_height() + _pending_resize_amount);
4975
4976         if (dynamic_cast<AutomationTimeAxisView*> (_pending_resize_view) == 0 &&
4977             selection->tracks.contains (_pending_resize_view)) {
4978
4979                 for (TrackViewList::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
4980                         if (*i != _pending_resize_view) {
4981                                 (*i)->idle_resize ((*i)->current_height() + _pending_resize_amount);
4982                         }
4983                 }
4984         }
4985
4986         _pending_resize_amount = 0;
4987         flush_canvas ();
4988         _group_tabs->set_dirty ();
4989         resize_idle_id = -1;
4990
4991         return false;
4992 }
4993
4994 void
4995 Editor::located ()
4996 {
4997         ENSURE_GUI_THREAD (*this, &Editor::located);
4998
4999         playhead_cursor->set_position (_session->audible_frame ());
5000         if (_follow_playhead && !_pending_initial_locate) {
5001                 reset_x_origin_to_follow_playhead ();
5002         }
5003
5004         _pending_locate_request = false;
5005         _pending_initial_locate = false;
5006 }
5007
5008 void
5009 Editor::region_view_added (RegionView *)
5010 {
5011         _summary->set_dirty ();
5012 }
5013
5014 TimeAxisView*
5015 Editor::axis_view_from_route (boost::shared_ptr<Route> r) const
5016 {
5017         TrackViewList::const_iterator j = track_views.begin ();
5018         while (j != track_views.end()) {
5019                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (*j);
5020                 if (rtv && rtv->route() == r) {
5021                         return rtv;
5022                 }
5023                 ++j;
5024         }
5025
5026         return 0;
5027 }
5028
5029
5030 TrackViewList
5031 Editor::axis_views_from_routes (boost::shared_ptr<RouteList> r) const
5032 {
5033         TrackViewList t;
5034
5035         for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
5036                 TimeAxisView* tv = axis_view_from_route (*i);
5037                 if (tv) {
5038                         t.push_back (tv);
5039                 }
5040         }
5041
5042         return t;
5043 }
5044
5045
5046 void
5047 Editor::handle_new_route (RouteList& routes)
5048 {
5049         ENSURE_GUI_THREAD (*this, &Editor::handle_new_route, routes)
5050
5051         RouteTimeAxisView *rtv;
5052         list<RouteTimeAxisView*> new_views;
5053
5054         for (RouteList::iterator x = routes.begin(); x != routes.end(); ++x) {
5055                 boost::shared_ptr<Route> route = (*x);
5056
5057                 if (route->is_hidden() || route->is_monitor()) {
5058                         continue;
5059                 }
5060
5061                 DataType dt = route->input()->default_type();
5062
5063                 if (dt == ARDOUR::DataType::AUDIO) {
5064                         rtv = new AudioTimeAxisView (*this, _session, route, *track_canvas);
5065                 } else if (dt == ARDOUR::DataType::MIDI) {
5066                         rtv = new MidiTimeAxisView (*this, _session, route, *track_canvas);
5067                 } else {
5068                         throw unknown_type();
5069                 }
5070
5071                 new_views.push_back (rtv);
5072                 track_views.push_back (rtv);
5073
5074                 rtv->effective_gain_display ();
5075
5076                 rtv->view()->RegionViewAdded.connect (sigc::mem_fun (*this, &Editor::region_view_added));
5077         }
5078
5079         _routes->routes_added (new_views);
5080
5081         if (show_editor_mixer_when_tracks_arrive) {
5082                 show_editor_mixer (true);
5083         }
5084
5085         editor_list_button.set_sensitive (true);
5086
5087         _summary->set_dirty ();
5088 }
5089
5090 void
5091 Editor::timeaxisview_deleted (TimeAxisView *tv)
5092 {
5093         if (_session && _session->deletion_in_progress()) {
5094                 /* the situation is under control */
5095                 return;
5096         }
5097
5098         ENSURE_GUI_THREAD (*this, &Editor::timeaxisview_deleted, tv);
5099
5100         RouteTimeAxisView* rtav = dynamic_cast<RouteTimeAxisView*> (tv);
5101
5102         _routes->route_removed (tv);
5103
5104         if (tv == entered_track) {
5105                 entered_track = 0;
5106         }
5107
5108         TimeAxisView::Children c = tv->get_child_list ();
5109         for (TimeAxisView::Children::const_iterator i = c.begin(); i != c.end(); ++i) {
5110                 if (entered_track == i->get()) {
5111                         entered_track = 0;
5112                 }
5113         }
5114
5115         /* remove it from the list of track views */
5116
5117         TrackViewList::iterator i;
5118
5119         if ((i = find (track_views.begin(), track_views.end(), tv)) != track_views.end()) {
5120                 i = track_views.erase (i);
5121         }
5122
5123         /* update whatever the current mixer strip is displaying, if revelant */
5124
5125         boost::shared_ptr<Route> route;
5126
5127         if (rtav) {
5128                 route = rtav->route ();
5129         }
5130
5131         if (current_mixer_strip && current_mixer_strip->route() == route) {
5132
5133                 TimeAxisView* next_tv;
5134
5135                 if (track_views.empty()) {
5136                         next_tv = 0;
5137                 } else if (i == track_views.end()) {
5138                         next_tv = track_views.front();
5139                 } else {
5140                         next_tv = (*i);
5141                 }
5142
5143
5144                 if (next_tv) {
5145                         set_selected_mixer_strip (*next_tv);
5146                 } else {
5147                         /* make the editor mixer strip go away setting the
5148                          * button to inactive (which also unticks the menu option)
5149                          */
5150
5151                         ActionManager::uncheck_toggleaction ("<Actions>/Editor/show-editor-mixer");
5152                 }
5153         }
5154 }
5155
5156 void
5157 Editor::hide_track_in_display (TimeAxisView* tv, bool /*temponly*/)
5158 {
5159         RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (tv);
5160
5161         if (rtv && current_mixer_strip && (rtv->route() == current_mixer_strip->route())) {
5162                 // this will hide the mixer strip
5163                 set_selected_mixer_strip (*tv);
5164         }
5165
5166         _routes->hide_track_in_display (*tv);
5167 }
5168
5169 bool
5170 Editor::sync_track_view_list_and_routes ()
5171 {
5172         track_views = TrackViewList (_routes->views ());
5173
5174         _summary->set_dirty ();
5175         _group_tabs->set_dirty ();
5176
5177         return false; // do not call again (until needed)
5178 }
5179
5180 void
5181 Editor::foreach_time_axis_view (sigc::slot<void,TimeAxisView&> theslot)
5182 {
5183         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5184                 theslot (**i);
5185         }
5186 }
5187
5188 /** Find a RouteTimeAxisView by the ID of its route */
5189 RouteTimeAxisView*
5190 Editor::get_route_view_by_route_id (PBD::ID& id) const
5191 {
5192         RouteTimeAxisView* v;
5193
5194         for (TrackViewList::const_iterator i = track_views.begin(); i != track_views.end(); ++i) {
5195                 if((v = dynamic_cast<RouteTimeAxisView*>(*i)) != 0) {
5196                         if(v->route()->id() == id) {
5197                                 return v;
5198                         }
5199                 }
5200         }
5201
5202         return 0;
5203 }
5204
5205 void
5206 Editor::fit_route_group (RouteGroup *g)
5207 {
5208         TrackViewList ts = axis_views_from_routes (g->route_list ());
5209         fit_tracks (ts);
5210 }
5211
5212 void
5213 Editor::consider_auditioning (boost::shared_ptr<Region> region)
5214 {
5215         boost::shared_ptr<AudioRegion> r = boost::dynamic_pointer_cast<AudioRegion> (region);
5216
5217         if (r == 0) {
5218                 _session->cancel_audition ();
5219                 return;
5220         }
5221
5222         if (_session->is_auditioning()) {
5223                 _session->cancel_audition ();
5224                 if (r == last_audition_region) {
5225                         return;
5226                 }
5227         }
5228
5229         _session->audition_region (r);
5230         last_audition_region = r;
5231 }
5232
5233
5234 void
5235 Editor::hide_a_region (boost::shared_ptr<Region> r)
5236 {
5237         r->set_hidden (true);
5238 }
5239
5240 void
5241 Editor::show_a_region (boost::shared_ptr<Region> r)
5242 {
5243         r->set_hidden (false);
5244 }
5245
5246 void
5247 Editor::audition_region_from_region_list ()
5248 {
5249         _regions->selection_mapover (sigc::mem_fun (*this, &Editor::consider_auditioning));
5250 }
5251
5252 void
5253 Editor::hide_region_from_region_list ()
5254 {
5255         _regions->selection_mapover (sigc::mem_fun (*this, &Editor::hide_a_region));
5256 }
5257
5258 void
5259 Editor::show_region_in_region_list ()
5260 {
5261         _regions->selection_mapover (sigc::mem_fun (*this, &Editor::show_a_region));
5262 }
5263
5264 void
5265 Editor::step_edit_status_change (bool yn)
5266 {
5267         if (yn) {
5268                 start_step_editing ();
5269         } else {
5270                 stop_step_editing ();
5271         }
5272 }
5273
5274 void
5275 Editor::start_step_editing ()
5276 {
5277         step_edit_connection = Glib::signal_timeout().connect (sigc::mem_fun (*this, &Editor::check_step_edit), 20);
5278 }
5279
5280 void
5281 Editor::stop_step_editing ()
5282 {
5283         step_edit_connection.disconnect ();
5284 }
5285
5286 bool
5287 Editor::check_step_edit ()
5288 {
5289         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5290                 MidiTimeAxisView* mtv = dynamic_cast<MidiTimeAxisView*> (*i);
5291                 if (mtv) {
5292                         mtv->check_step_edit ();
5293                 }
5294         }
5295
5296         return true; // do it again, till we stop
5297 }
5298
5299 bool
5300 Editor::horizontal_scroll_left_press ()
5301 {
5302         ++_scroll_callbacks;
5303
5304         if (_scroll_connection.connected() && _scroll_callbacks < 5) {
5305                 /* delay the first auto-repeat */
5306                 return true;
5307         }
5308
5309         double x = leftmost_position() - current_page_frames() / 5;
5310         if (x < 0) {
5311                 x = 0;
5312         }
5313
5314         reset_x_origin (x);
5315
5316         /* do hacky auto-repeat */
5317         if (!_scroll_connection.connected ()) {
5318                 _scroll_connection = Glib::signal_timeout().connect (sigc::mem_fun (*this, &Editor::horizontal_scroll_left_press), 100);
5319                 _scroll_callbacks = 0;
5320         }
5321
5322         return true;
5323 }
5324
5325 void
5326 Editor::horizontal_scroll_left_release ()
5327 {
5328         _scroll_connection.disconnect ();
5329 }
5330
5331 bool
5332 Editor::horizontal_scroll_right_press ()
5333 {
5334         ++_scroll_callbacks;
5335
5336         if (_scroll_connection.connected() && _scroll_callbacks < 5) {
5337                 /* delay the first auto-repeat */
5338                 return true;
5339         }
5340
5341         reset_x_origin (leftmost_position() + current_page_frames() / 5);
5342
5343         /* do hacky auto-repeat */
5344         if (!_scroll_connection.connected ()) {
5345                 _scroll_connection = Glib::signal_timeout().connect (sigc::mem_fun (*this, &Editor::horizontal_scroll_right_press), 100);
5346                 _scroll_callbacks = 0;
5347         }
5348
5349         return true;
5350 }
5351
5352 void
5353 Editor::horizontal_scroll_right_release ()
5354 {
5355         _scroll_connection.disconnect ();
5356 }
5357
5358 /** Queue a change for the Editor viewport x origin to follow the playhead */
5359 void
5360 Editor::reset_x_origin_to_follow_playhead ()
5361 {
5362         nframes64_t const frame = playhead_cursor->current_frame;
5363
5364         if (frame < leftmost_frame || frame > leftmost_frame + current_page_frames()) {
5365
5366                 if (_session->transport_speed() < 0) {
5367
5368                         if (frame > (current_page_frames() / 2)) {
5369                                 center_screen (frame-(current_page_frames()/2));
5370                         } else {
5371                                 center_screen (current_page_frames()/2);
5372                         }
5373
5374                 } else {
5375
5376                         if (frame < leftmost_frame) {
5377                                 /* moving left */
5378                                 nframes64_t l = 0;
5379                                 if (_session->transport_rolling()) {
5380                                         /* rolling; end up with the playhead at the right of the page */
5381                                         l = frame - current_page_frames ();
5382                                 } else {
5383                                         /* not rolling: end up with the playhead 3/4 of the way along the page */
5384                                         l = frame - (3 * current_page_frames() / 4);
5385                                 }
5386
5387                                 if (l < 0) {
5388                                         l = 0;
5389                                 }
5390
5391                                 center_screen_internal (l + (current_page_frames() / 2), current_page_frames ());
5392                         } else {
5393                                 /* moving right */
5394                                 if (_session->transport_rolling()) {
5395                                         /* rolling: end up with the playhead on the left of the page */
5396                                         center_screen_internal (frame + (current_page_frames() / 2), current_page_frames ());
5397                                 } else {
5398                                         /* not rolling: end up with the playhead 1/4 of the way along the page */
5399                                         center_screen_internal (frame + (current_page_frames() / 4), current_page_frames ());
5400                                 }
5401                         }
5402                 }
5403         }
5404 }
5405
5406 void
5407 Editor::super_rapid_screen_update ()
5408 {
5409         if (!_session || !_session->engine().running()) {
5410                 return;
5411         }
5412
5413         /* METERING / MIXER STRIPS */
5414
5415         /* update track meters, if required */
5416         if (is_mapped() && meters_running) {
5417                 RouteTimeAxisView* rtv;
5418                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5419                         if ((rtv = dynamic_cast<RouteTimeAxisView*>(*i)) != 0) {
5420                                 rtv->fast_update ();
5421                         }
5422                 }
5423         }
5424
5425         /* and any current mixer strip */
5426         if (current_mixer_strip) {
5427                 current_mixer_strip->fast_update ();
5428         }
5429
5430         /* PLAYHEAD AND VIEWPORT */
5431
5432         nframes64_t const frame = _session->audible_frame();
5433
5434         /* There are a few reasons why we might not update the playhead / viewport stuff:
5435          *
5436          * 1.  we don't update things when there's a pending locate request, otherwise
5437          *     when the editor requests a locate there is a chance that this method
5438          *     will move the playhead before the locate request is processed, causing
5439          *     a visual glitch.
5440          * 2.  if we're not rolling, there's nothing to do here (locates are handled elsewhere).
5441          * 3.  if we're still at the same frame that we were last time, there's nothing to do.
5442          */
5443
5444         if (!_pending_locate_request && _session->transport_speed() != 0 && frame != last_update_frame) {
5445
5446                 last_update_frame = frame;
5447
5448                 if (!_dragging_playhead) {
5449                         playhead_cursor->set_position (frame);
5450                 }
5451
5452                 if (!_stationary_playhead) {
5453
5454                         if (!_dragging_playhead && _follow_playhead && _session->requested_return_frame() < 0) {
5455                                 reset_x_origin_to_follow_playhead ();
5456                         }
5457
5458                 } else {
5459
5460                         /* don't do continuous scroll till the new position is in the rightmost quarter of the
5461                            editor canvas
5462                         */
5463 #if 0
5464                         // FIXME DO SOMETHING THAT WORKS HERE - this is 2.X code
5465                         double target = ((double)frame - (double)current_page_frames()/2.0) / frames_per_unit;
5466                         if (target <= 0.0) {
5467                                 target = 0.0;
5468                         }
5469                         if (fabs(target - current) < current_page_frames() / frames_per_unit) {
5470                                 target = (target * 0.15) + (current * 0.85);
5471                         } else {
5472                                 /* relax */
5473                         }
5474
5475                         current = target;
5476                         set_horizontal_position (current);
5477 #endif
5478                 }
5479
5480         }
5481 }
5482
5483
5484 void
5485 Editor::session_going_away ()
5486 {
5487         _have_idled = false;
5488
5489         _session_connections.drop_connections ();
5490
5491         super_rapid_screen_update_connection.disconnect ();
5492
5493         selection->clear ();
5494         cut_buffer->clear ();
5495
5496         clicked_regionview = 0;
5497         clicked_axisview = 0;
5498         clicked_routeview = 0;
5499         clicked_crossfadeview = 0;
5500         entered_regionview = 0;
5501         entered_track = 0;
5502         last_update_frame = 0;
5503         _drags->abort ();
5504
5505         playhead_cursor->canvas_item.hide ();
5506
5507         /* rip everything out of the list displays */
5508
5509         _regions->clear ();
5510         _routes->clear ();
5511         _route_groups->clear ();
5512
5513         /* do this first so that deleting a track doesn't reset cms to null
5514            and thus cause a leak.
5515         */
5516
5517         if (current_mixer_strip) {
5518                 if (current_mixer_strip->get_parent() != 0) {
5519                         global_hpacker.remove (*current_mixer_strip);
5520                 }
5521                 delete current_mixer_strip;
5522                 current_mixer_strip = 0;
5523         }
5524
5525         /* delete all trackviews */
5526
5527         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5528                 delete *i;
5529         }
5530         track_views.clear ();
5531
5532         zoom_range_clock.set_session (0);
5533         nudge_clock.set_session (0);
5534
5535         editor_list_button.set_active(false);
5536         editor_list_button.set_sensitive(false);
5537
5538         /* clear tempo/meter rulers */
5539         remove_metric_marks ();
5540         hide_measures ();
5541         clear_marker_display ();
5542
5543         delete current_bbt_points;
5544         current_bbt_points = 0;
5545
5546         /* get rid of any existing editor mixer strip */
5547
5548         WindowTitle title(Glib::get_application_name());
5549         title += _("Editor");
5550
5551         set_title (title.get_string());
5552
5553         SessionHandlePtr::session_going_away ();
5554 }
5555
5556
5557 void
5558 Editor::show_editor_list (bool yn)
5559 {
5560         if (yn) {
5561                 the_notebook.show();
5562         } else {
5563                 the_notebook.hide();
5564         }
5565 }
5566