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 <boost/none.hpp>
  32
  33 #include <sigc++/bind.h>
  34
  35 #include "pbd/convert.h"
  36 #include "pbd/error.h"
  37 #include "pbd/enumwriter.h"
  38 #include "pbd/memento_command.h"
  39 #include "pbd/unknown_type.h"
  40
  41 #include <glibmm/miscutils.h>
  42 #include <gtkmm/image.h>
  43 #include <gdkmm/color.h>
  44 #include <gdkmm/bitmap.h>
  45
  46 #include <gtkmm2ext/grouped_buttons.h>
  47 #include <gtkmm2ext/gtk_ui.h>
  48 #include <gtkmm2ext/tearoff.h>
  49 #include <gtkmm2ext/utils.h>
  50 #include <gtkmm2ext/window_title.h>
  51 #include <gtkmm2ext/choice.h>
  52 #include <gtkmm2ext/cell_renderer_pixbuf_toggle.h>
  53
  54 #include "ardour/audio_diskstream.h"
  55 #include "ardour/audio_track.h"
  56 #include "ardour/audioplaylist.h"
  57 #include "ardour/audioregion.h"
  58 #include "ardour/location.h"
  59 #include "ardour/midi_region.h"
  60 #include "ardour/plugin_manager.h"
  61 #include "ardour/profile.h"
  62 #include "ardour/route_group.h"
  63 #include "ardour/session_directory.h"
  64 #include "ardour/session_route.h"
  65 #include "ardour/session_state_utils.h"
  66 #include "ardour/tempo.h"
  67 #include "ardour/utils.h"
  68
  69 #include "control_protocol/control_protocol.h"
  70
  71 #include "ardour_ui.h"
  72 #include "editor.h"
  73 #include "keyboard.h"
  74 #include "marker.h"
  75 #include "playlist_selector.h"
  76 #include "audio_region_view.h"
  77 #include "rgb_macros.h"
  78 #include "selection.h"
  79 #include "audio_streamview.h"
  80 #include "time_axis_view.h"
  81 #include "audio_time_axis.h"
  82 #include "utils.h"
  83 #include "crossfade_view.h"
  84 #include "editing.h"
  85 #include "public_editor.h"
  86 #include "crossfade_edit.h"
  87 #include "canvas_impl.h"
  88 #include "actions.h"
  89 #include "sfdb_ui.h"
  90 #include "gui_thread.h"
  91 #include "simpleline.h"
  92 #include "rhythm_ferret.h"
  93 #include "actions.h"
  94 #include "tempo_lines.h"
  95 #include "analysis_window.h"
  96 #include "bundle_manager.h"
  97 #include "global_port_matrix.h"
  98 #include "editor_drag.h"
  99 #include "editor_group_tabs.h"
 100 #include "automation_time_axis.h"
 101 #include "editor_routes.h"
 102 #include "midi_time_axis.h"
 103 #include "mixer_strip.h"
 104 #include "editor_route_groups.h"
 105 #include "editor_regions.h"
 106 #include "editor_snapshots.h"
 107
 108 #include "i18n.h"
 109
 110 #ifdef WITH_CMT
 111 #include "imageframe_socket_handler.h"
 112 #endif
 113
 114 using namespace std;
 115 using namespace sigc;
 116 using namespace ARDOUR;
 117 using namespace PBD;
 118 using namespace Gtk;
 119 using namespace Glib;
 120 using namespace Gtkmm2ext;
 121 using namespace Editing;
 122
 123 using PBD::internationalize;
 124 using PBD::atoi;
 125
 126 const double Editor::timebar_height = 15.0;
 127
 128 #include "editor_xpms"
 129
 130 static const gchar *_snap_type_strings[] = {
 131         N_("CD Frames"),
 132         N_("SMPTE Frames"),
 133         N_("SMPTE Seconds"),
 134         N_("SMPTE Minutes"),
 135         N_("Seconds"),
 136         N_("Minutes"),
 137         N_("Beats/32"),
 138         N_("Beats/16"),
 139         N_("Beats/8"),
 140         N_("Beats/4"),
 141         N_("Beats/3"),
 142         N_("Beats"),
 143         N_("Bars"),
 144         N_("Marks"),
 145         N_("Region starts"),
 146         N_("Region ends"),
 147         N_("Region syncs"),
 148         N_("Region bounds"),
 149         0
 150 };
 151
 152 static const gchar *_snap_mode_strings[] = {
 153         N_("No Grid"),
 154         N_("Grid"),
 155         N_("Magnetic"),
 156         0
 157 };
 158
 159 static const gchar *_edit_point_strings[] = {
 160         N_("Playhead"),
 161         N_("Marker"),
 162         N_("Mouse"),
 163         0
 164 };
 165
 166 static const gchar *_zoom_focus_strings[] = {
 167         N_("Left"),
 168         N_("Right"),
 169         N_("Center"),
 170         N_("Playhead"),
 171         N_("Mouse"),
 172         N_("Active Mark"),
 173         0
 174 };
 175
 176 #ifdef USE_RUBBERBAND
 177 static const gchar *_rb_opt_strings[] = {
 178         N_("Mushy"),
 179         N_("Smooth"),
 180         N_("Balanced multitimbral mixture"),
 181         N_("Unpitched percussion with stable notes"),
 182         N_("Crisp monophonic instrumental"),
 183         N_("Unpitched solo percussion"),
 184         0
 185 };
 186 #endif
 187
 188 /* Soundfile  drag-n-drop */
 189
 190 Gdk::Cursor* Editor::cross_hair_cursor = 0;
 191 Gdk::Cursor* Editor::selector_cursor = 0;
 192 Gdk::Cursor* Editor::trimmer_cursor = 0;
 193 Gdk::Cursor* Editor::grabber_cursor = 0;
 194 Gdk::Cursor* Editor::grabber_edit_point_cursor = 0;
 195 Gdk::Cursor* Editor::zoom_cursor = 0;
 196 Gdk::Cursor* Editor::time_fx_cursor = 0;
 197 Gdk::Cursor* Editor::fader_cursor = 0;
 198 Gdk::Cursor* Editor::speaker_cursor = 0;
 199 Gdk::Cursor* Editor::midi_pencil_cursor = 0;
 200 Gdk::Cursor* Editor::midi_select_cursor = 0;
 201 Gdk::Cursor* Editor::midi_resize_cursor = 0;
 202 Gdk::Cursor* Editor::midi_erase_cursor = 0;
 203 Gdk::Cursor* Editor::wait_cursor = 0;
 204 Gdk::Cursor* Editor::timebar_cursor = 0;
 205 Gdk::Cursor* Editor::transparent_cursor = 0;
 206
 207 void
 208 show_me_the_size (Requisition* r, const char* what)
 209 {
 210         cerr << "size of " << what << " = " << r->width << " x " << r->height << endl;
 211 }
 212
 213 Editor::Editor ()
 214           /* time display buttons */
 215         : minsec_label (_("Mins:Secs"))
 216         , bbt_label (_("Bars:Beats"))
 217         , smpte_label (_("Timecode"))
 218         , frame_label (_("Samples"))
 219         , tempo_label (_("Tempo"))
 220         , meter_label (_("Meter"))
 221         , mark_label (_("Location Markers"))
 222         , range_mark_label (_("Range Markers"))
 223         , transport_mark_label (_("Loop/Punch Ranges"))
 224         , cd_mark_label (_("CD Markers"))
 225         , edit_packer (4, 4, true)
 226
 227           /* the values here don't matter: layout widgets
 228              reset them as needed.
 229           */
 230
 231         , vertical_adjustment (0.0, 0.0, 10.0, 400.0)
 232         , horizontal_adjustment (0.0, 0.0, 20.0, 1200.0)
 233
 234           /* tool bar related */
 235
 236         , edit_point_clock (X_("editpoint"), false, X_("EditPointClock"), true)
 237         , zoom_range_clock (X_("zoomrange"), false, X_("ZoomRangeClock"), true, true)
 238
 239         , toolbar_selection_clock_table (2,3)
 240
 241         , automation_mode_button (_("mode"))
 242         , global_automation_button (_("automation"))
 243
 244         , midi_panic_button (_("Panic"))
 245
 246 #ifdef WITH_CMT
 247         , image_socket_listener(0)
 248 #endif
 249
 250           /* nudge */
 251
 252         , nudge_clock (X_("nudge"), false, X_("NudgeClock"), true, true)
 253         , meters_running(false)
 254         , _pending_locate_request (false)
 255
 256 {
 257         constructed = false;
 258
 259         /* we are a singleton */
 260
 261         PublicEditor::_instance = this;
 262
 263         session = 0;
 264         _have_idled = false;
 265
 266         selection = new Selection (this);
 267         cut_buffer = new Selection (this);
 268
 269         clicked_regionview = 0;
 270         clicked_axisview = 0;
 271         clicked_routeview = 0;
 272         clicked_crossfadeview = 0;
 273         clicked_control_point = 0;
 274         last_update_frame = 0;
 275         _drag = 0;
 276         current_mixer_strip = 0;
 277         current_bbt_points = 0;
 278         tempo_lines = 0;
 279
 280         snap_type_strings =  I18N (_snap_type_strings);
 281         snap_mode_strings =  I18N (_snap_mode_strings);
 282         zoom_focus_strings = I18N (_zoom_focus_strings);
 283         edit_point_strings = I18N (_edit_point_strings);
 284 #ifdef USE_RUBBERBAND
 285         rb_opt_strings = I18N (_rb_opt_strings);
 286 #endif
 287
 288         snap_threshold = 5.0;
 289         bbt_beat_subdivision = 4;
 290         _canvas_width = 0;
 291         _canvas_height = 0;
 292         last_autoscroll_x = 0;
 293         last_autoscroll_y = 0;
 294         autoscroll_active = false;
 295         autoscroll_timeout_tag = -1;
 296         interthread_progress_window = 0;
 297         logo_item = 0;
 298
 299         analysis_window = 0;
 300
 301         current_interthread_info = 0;
 302         _show_measures = true;
 303         _show_waveforms_recording = true;
 304         show_gain_after_trim = false;
 305         verbose_cursor_on = true;
 306         route_removal = false;
 307         last_item_entered = 0;
 308         last_item_entered_n = 0;
 309
 310         have_pending_keyboard_selection = false;
 311         _follow_playhead = true;
 312         _xfade_visibility = true;
 313         editor_ruler_menu = 0;
 314         no_ruler_shown_update = false;
 315         marker_menu = 0;
 316         start_end_marker_menu = 0;
 317         range_marker_menu = 0;
 318         marker_menu_item = 0;
 319         tm_marker_menu = 0;
 320         transport_marker_menu = 0;
 321         new_transport_marker_menu = 0;
 322         editor_mixer_strip_width = Wide;
 323         show_editor_mixer_when_tracks_arrive = false;
 324         region_edit_menu_split_multichannel_item = 0;
 325         region_edit_menu_split_item = 0;
 326         temp_location = 0;
 327         leftmost_frame = 0;
 328         current_stepping_trackview = 0;
 329         entered_track = 0;
 330         entered_regionview = 0;
 331         entered_marker = 0;
 332         clear_entered_track = false;
 333         _new_regionviews_show_envelope = false;
 334         current_timefx = 0;
 335         playhead_cursor = 0;
 336         button_release_can_deselect = true;
 337         _dragging_playhead = false;
 338         _dragging_edit_point = false;
 339         _dragging_hscrollbar = false;
 340         select_new_marker = false;
 341         zoomed_to_region = false;
 342         rhythm_ferret = 0;
 343         _bundle_manager = 0;
 344         for (ARDOUR::DataType::iterator i = ARDOUR::DataType::begin(); i != ARDOUR::DataType::end(); ++i) {
 345                 _global_port_matrix[*i] = 0;
 346         }
 347         allow_vertical_scroll = false;
 348         no_save_visual = false;
 349         resize_idle_id = -1;
 350
 351         scrubbing_direction = 0;
 352
 353         sfbrowser = 0;
 354
 355         location_marker_color = ARDOUR_UI::config()->canvasvar_LocationMarker.get();
 356         location_range_color = ARDOUR_UI::config()->canvasvar_LocationRange.get();
 357         location_cd_marker_color = ARDOUR_UI::config()->canvasvar_LocationCDMarker.get();
 358         location_loop_color = ARDOUR_UI::config()->canvasvar_LocationLoop.get();
 359         location_punch_color = ARDOUR_UI::config()->canvasvar_LocationPunch.get();
 360
 361         _edit_point = EditAtMouse;
 362         _internal_editing = false;
 363         current_canvas_cursor = 0;
 364
 365         frames_per_unit = 2048; /* too early to use reset_zoom () */
 366         reset_hscrollbar_stepping ();
 367
 368         zoom_focus = ZoomFocusLeft;
 369         set_zoom_focus (ZoomFocusLeft);
 370         zoom_range_clock.ValueChanged.connect (mem_fun(*this, &Editor::zoom_adjustment_changed));
 371
 372         bbt_label.set_name ("EditorTimeButton");
 373         bbt_label.set_size_request (-1, (int)timebar_height);
 374         bbt_label.set_alignment (1.0, 0.5);
 375         bbt_label.set_padding (5,0);
 376         bbt_label.hide ();
 377         bbt_label.set_no_show_all();
 378         minsec_label.set_name ("EditorTimeButton");
 379         minsec_label.set_size_request (-1, (int)timebar_height);
 380         minsec_label.set_alignment (1.0, 0.5);
 381         minsec_label.set_padding (5,0);
 382         minsec_label.hide ();
 383         minsec_label.set_no_show_all();
 384         smpte_label.set_name ("EditorTimeButton");
 385         smpte_label.set_size_request (-1, (int)timebar_height);
 386         smpte_label.set_alignment (1.0, 0.5);
 387         smpte_label.set_padding (5,0);
 388         smpte_label.hide ();
 389         smpte_label.set_no_show_all();
 390         frame_label.set_name ("EditorTimeButton");
 391         frame_label.set_size_request (-1, (int)timebar_height);
 392         frame_label.set_alignment (1.0, 0.5);
 393         frame_label.set_padding (5,0);
 394         frame_label.hide ();
 395         frame_label.set_no_show_all();
 396
 397         tempo_label.set_name ("EditorTimeButton");
 398         tempo_label.set_size_request (-1, (int)timebar_height);
 399         tempo_label.set_alignment (1.0, 0.5);
 400         tempo_label.set_padding (5,0);
 401         tempo_label.hide();
 402         tempo_label.set_no_show_all();
 403         meter_label.set_name ("EditorTimeButton");
 404         meter_label.set_size_request (-1, (int)timebar_height);
 405         meter_label.set_alignment (1.0, 0.5);
 406         meter_label.set_padding (5,0);
 407         meter_label.hide();
 408         meter_label.set_no_show_all();
 409         mark_label.set_name ("EditorTimeButton");
 410         mark_label.set_size_request (-1, (int)timebar_height);
 411         mark_label.set_alignment (1.0, 0.5);
 412         mark_label.set_padding (5,0);
 413         mark_label.hide();
 414         mark_label.set_no_show_all();
 415         cd_mark_label.set_name ("EditorTimeButton");
 416         cd_mark_label.set_size_request (-1, (int)timebar_height);
 417         cd_mark_label.set_alignment (1.0, 0.5);
 418         cd_mark_label.set_padding (5,0);
 419         cd_mark_label.hide();
 420         cd_mark_label.set_no_show_all();
 421         range_mark_label.set_name ("EditorTimeButton");
 422         range_mark_label.set_size_request (-1, (int)timebar_height);
 423         range_mark_label.set_alignment (1.0, 0.5);
 424         range_mark_label.set_padding (5,0);
 425         range_mark_label.hide();
 426         range_mark_label.set_no_show_all();
 427         transport_mark_label.set_name ("EditorTimeButton");
 428         transport_mark_label.set_size_request (-1, (int)timebar_height);
 429         transport_mark_label.set_alignment (1.0, 0.5);
 430         transport_mark_label.set_padding (5,0);
 431         transport_mark_label.hide();
 432         transport_mark_label.set_no_show_all();
 433
 434         initialize_rulers ();
 435         _summary = new EditorSummary (this);
 436         initialize_canvas ();
 437
 438         selection->TimeChanged.connect (mem_fun(*this, &Editor::time_selection_changed));
 439         selection->TracksChanged.connect (mem_fun(*this, &Editor::track_selection_changed));
 440         editor_regions_selection_changed_connection = selection->RegionsChanged.connect (mem_fun(*this, &Editor::region_selection_changed));
 441         selection->PointsChanged.connect (mem_fun(*this, &Editor::point_selection_changed));
 442         selection->MarkersChanged.connect (mem_fun(*this, &Editor::marker_selection_changed));
 443
 444         edit_controls_vbox.set_spacing (0);
 445         horizontal_adjustment.signal_value_changed().connect (mem_fun(*this, &Editor::scroll_canvas_horizontally), false);
 446         vertical_adjustment.signal_value_changed().connect (mem_fun(*this, &Editor::tie_vertical_scrolling), true);
 447         track_canvas->signal_map_event().connect (mem_fun (*this, &Editor::track_canvas_map_handler));
 448
 449         HBox* h = manage (new HBox);
 450         _group_tabs = new EditorGroupTabs (this);
 451         h->pack_start (*_group_tabs, PACK_SHRINK);
 452         h->pack_start (edit_controls_vbox);
 453         controls_layout.add (*h);
 454
 455         controls_layout.set_name ("EditControlsBase");
 456         controls_layout.add_events (Gdk::SCROLL_MASK);
 457         controls_layout.signal_scroll_event().connect (mem_fun(*this, &Editor::control_layout_scroll), false);
 458
 459         controls_layout.add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK);
 460         controls_layout.signal_button_release_event().connect (mem_fun(*this, &Editor::edit_controls_button_release));
 461         controls_layout_size_request_connection = controls_layout.signal_size_request().connect (mem_fun (*this, &Editor::controls_layout_size_request));
 462
 463         edit_vscrollbar.set_adjustment (vertical_adjustment);
 464         edit_hscrollbar.set_adjustment (horizontal_adjustment);
 465
 466         edit_hscrollbar.signal_button_press_event().connect (mem_fun(*this, &Editor::hscrollbar_button_press), false);
 467         edit_hscrollbar.signal_button_release_event().connect (mem_fun(*this, &Editor::hscrollbar_button_release), false);
 468         edit_hscrollbar.signal_size_allocate().connect (mem_fun(*this, &Editor::hscrollbar_allocate));
 469
 470         edit_hscrollbar.set_name ("EditorHScrollbar");
 471
 472         build_cursors ();
 473         setup_toolbar ();
 474         setup_midi_toolbar ();
 475
 476         edit_point_clock.ValueChanged.connect (mem_fun(*this, &Editor::edit_point_clock_changed));
 477
 478         ArdourCanvas::Canvas* time_pad = manage(new ArdourCanvas::Canvas());
 479         ArdourCanvas::SimpleLine* pad_line_1 = manage(new ArdourCanvas::SimpleLine(*time_pad->root(),
 480                         0.0, 1.0, 100.0, 1.0));
 481         pad_line_1->property_color_rgba() = 0xFF0000FF;
 482         pad_line_1->show();
 483         time_pad->show();
 484
 485         time_canvas_vbox.set_size_request (-1, (int)(timebar_height * visible_timebars) + 2);
 486         time_canvas_vbox.set_size_request (-1, -1);
 487
 488         ruler_label_event_box.add (ruler_label_vbox);
 489         ruler_label_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 490         ruler_label_event_box.signal_button_release_event().connect (mem_fun(*this, &Editor::ruler_label_button_release));
 491
 492         time_button_event_box.add (time_button_vbox);
 493         time_button_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 494         time_button_event_box.signal_button_release_event().connect (mem_fun(*this, &Editor::ruler_label_button_release));
 495
 496         /* these enable us to have a dedicated window (for cursor setting, etc.)
 497            for the canvas areas.
 498         */
 499
 500         track_canvas_event_box.add (*track_canvas);
 501
 502         time_canvas_event_box.add (time_canvas_vbox);
 503         time_canvas_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::POINTER_MOTION_MASK);
 504
 505         edit_packer.set_col_spacings (0);
 506         edit_packer.set_row_spacings (0);
 507         edit_packer.set_homogeneous (false);
 508         edit_packer.set_border_width (0);
 509         edit_packer.set_name ("EditorWindow");
 510
 511         edit_packer.attach (zoom_vbox,               0, 1, 0, 2,    SHRINK,        FILL, 0, 0);
 512         /* labels for the rulers */
 513         edit_packer.attach (ruler_label_event_box,   1, 2, 0, 1,    FILL,        SHRINK, 0, 0);
 514         /* labels for the marker "tracks" */
 515         edit_packer.attach (time_button_event_box,   1, 2, 1, 2,    FILL,        SHRINK, 0, 0);
 516         /* the rulers */
 517         edit_packer.attach (time_canvas_event_box,   2, 3, 0, 1,    FILL|EXPAND, FILL, 0, 0);
 518         /* track controls */
 519         edit_packer.attach (controls_layout,         0, 2, 2, 3,    FILL,        FILL|EXPAND, 0, 0);
 520         /* main canvas */
 521         edit_packer.attach (track_canvas_event_box,  2, 3, 1, 3,    FILL|EXPAND, FILL|EXPAND, 0, 0);
 522
 523         bottom_hbox.set_border_width (2);
 524         bottom_hbox.set_spacing (3);
 525
 526         _route_groups = new EditorRouteGroups (this);
 527         _routes = new EditorRoutes (this);
 528         _regions = new EditorRegions (this);
 529         _snapshots = new EditorSnapshots (this);
 530
 531         named_selection_scroller.add (named_selection_display);
 532         named_selection_scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
 533
 534         named_selection_model = TreeStore::create (named_selection_columns);
 535         named_selection_display.set_model (named_selection_model);
 536         named_selection_display.append_column (_("Chunks"), named_selection_columns.text);
 537         named_selection_display.set_headers_visible (false);
 538         named_selection_display.set_size_request (100, -1);
 539         named_selection_display.set_name ("NamedSelectionDisplay");
 540
 541         named_selection_display.get_selection()->set_mode (SELECTION_SINGLE);
 542         named_selection_display.set_size_request (100, -1);
 543         named_selection_display.signal_button_release_event().connect (mem_fun(*this, &Editor::named_selection_display_button_release), false);
 544         named_selection_display.signal_key_release_event().connect (mem_fun(*this, &Editor::named_selection_display_key_release), false);
 545         named_selection_display.get_selection()->signal_changed().connect (mem_fun (*this, &Editor::named_selection_display_selection_changed));
 546
 547         Gtk::Label* nlabel;
 548
 549         nlabel = manage (new Label (_("Regions")));
 550         nlabel->set_angle (-90);
 551         the_notebook.append_page (_regions->widget (), *nlabel);
 552         nlabel = manage (new Label (_("Tracks/Busses")));
 553         nlabel->set_angle (-90);
 554         the_notebook.append_page (_routes->widget (), *nlabel);
 555         nlabel = manage (new Label (_("Snapshots")));
 556         nlabel->set_angle (-90);
 557         the_notebook.append_page (_snapshots->widget (), *nlabel);
 558         nlabel = manage (new Label (_("Route Groups")));
 559         nlabel->set_angle (-90);
 560         the_notebook.append_page (_route_groups->widget (), *nlabel);
 561
 562         if (!Profile->get_sae()) {
 563                 nlabel = manage (new Label (_("Chunks")));
 564                 nlabel->set_angle (-90);
 565                 the_notebook.append_page (named_selection_scroller, *nlabel);
 566         }
 567
 568         the_notebook.set_show_tabs (true);
 569         the_notebook.set_scrollable (true);
 570         the_notebook.popup_enable ();
 571         the_notebook.set_tab_pos (Gtk::POS_RIGHT);
 572         the_notebook.show_all ();
 573
 574         post_maximal_editor_width = 0;
 575         post_maximal_pane_position = 0;
 576
 577         VPaned *editor_summary_pane = manage(new VPaned());
 578         editor_summary_pane->pack1(edit_packer);
 579         editor_summary_pane->pack2(*_summary);
 580
 581         edit_pane.pack1 (*editor_summary_pane, true, true);
 582         edit_pane.pack2 (the_notebook, false, true);
 583
 584         edit_pane.signal_size_allocate().connect (bind (mem_fun(*this, &Editor::pane_allocation_handler), static_cast<Paned*> (&edit_pane)));
 585
 586         top_hbox.pack_start (toolbar_frame, false, true);
 587
 588         HBox *hbox = manage (new HBox);
 589         hbox->pack_start (edit_pane, true, true);
 590
 591         global_vpacker.pack_start (top_hbox, false, false);
 592         global_vpacker.pack_start (*hbox, true, true);
 593
 594         global_hpacker.pack_start (global_vpacker, true, true);
 595
 596         set_name ("EditorWindow");
 597         add_accel_group (ActionManager::ui_manager->get_accel_group());
 598
 599         status_bar_hpacker.show ();
 600
 601         vpacker.pack_end (status_bar_hpacker, false, false);
 602         vpacker.pack_end (global_hpacker, true, true);
 603
 604         /* register actions now so that set_state() can find them and set toggles/checks etc */
 605
 606         register_actions ();
 607
 608         snap_type = SnapToBeat;
 609         set_snap_to (snap_type);
 610         snap_mode = SnapOff;
 611         set_snap_mode (snap_mode);
 612         set_mouse_mode (MouseObject, true);
 613         set_edit_point_preference (EditAtMouse, true);
 614
 615         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
 616         set_state (*node);
 617
 618         _playlist_selector = new PlaylistSelector();
 619         _playlist_selector->signal_delete_event().connect (bind (sigc::ptr_fun (just_hide_it), static_cast<Window *> (_playlist_selector)));
 620
 621         RegionView::RegionViewGoingAway.connect (mem_fun(*this, &Editor::catch_vanishing_regionview));
 622
 623         /* nudge stuff */
 624
 625         nudge_forward_button.add (*(manage (new Image (::get_icon("nudge_right")))));
 626         nudge_backward_button.add (*(manage (new Image (::get_icon("nudge_left")))));
 627
 628         ARDOUR_UI::instance()->tooltips().set_tip (nudge_forward_button, _("Nudge Region/Selection Forwards"));
 629         ARDOUR_UI::instance()->tooltips().set_tip (nudge_backward_button, _("Nudge Region/Selection Backwards"));
 630
 631         nudge_forward_button.set_name ("TransportButton");
 632         nudge_backward_button.set_name ("TransportButton");
 633
 634         fade_context_menu.set_name ("ArdourContextMenu");
 635
 636         /* icons, titles, WM stuff */
 637
 638         list<Glib::RefPtr<Gdk::Pixbuf> > window_icons;
 639         Glib::RefPtr<Gdk::Pixbuf> icon;
 640
 641         if ((icon = ::get_icon ("ardour_icon_16px")) != 0) {
 642                 window_icons.push_back (icon);
 643         }
 644         if ((icon = ::get_icon ("ardour_icon_22px")) != 0) {
 645                 window_icons.push_back (icon);
 646         }
 647         if ((icon = ::get_icon ("ardour_icon_32px")) != 0) {
 648                 window_icons.push_back (icon);
 649         }
 650         if ((icon = ::get_icon ("ardour_icon_48px")) != 0) {
 651                 window_icons.push_back (icon);
 652         }
 653         if (!window_icons.empty()) {
 654                 set_icon_list (window_icons);
 655                 set_default_icon_list (window_icons);
 656         }
 657
 658         WindowTitle title(Glib::get_application_name());
 659         title += _("Editor");
 660         set_title (title.get_string());
 661         set_wmclass (X_("ardour_editor"), "Ardour");
 662
 663         add (vpacker);
 664         add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK);
 665
 666         signal_configure_event().connect (mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::configure_handler));
 667         signal_delete_event().connect (mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::exit_on_main_window_close));
 668
 669         /* allow external control surfaces/protocols to do various things */
 670
 671         ControlProtocol::ZoomToSession.connect (mem_fun (*this, &Editor::temporal_zoom_session));
 672         ControlProtocol::ZoomIn.connect (bind (mem_fun (*this, &Editor::temporal_zoom_step), false));
 673         ControlProtocol::ZoomOut.connect (bind (mem_fun (*this, &Editor::temporal_zoom_step), true));
 674         ControlProtocol::ScrollTimeline.connect (mem_fun (*this, &Editor::control_scroll));
 675         BasicUI::AccessAction.connect (mem_fun (*this, &Editor::access_action));
 676
 677         Config->ParameterChanged.connect (mem_fun (*this, &Editor::parameter_changed));
 678
 679         _last_normalization_value = 0;
 680
 681         constructed = true;
 682         instant_save ();
 683 }
 684
 685 Editor::~Editor()
 686 {
 687 #ifdef WITH_CMT
 688         if(image_socket_listener) {
 689                 if(image_socket_listener->is_connected())
 690                 {
 691                         image_socket_listener->close_connection() ;
 692                 }
 693
 694                 delete image_socket_listener ;
 695                 image_socket_listener = 0 ;
 696         }
 697 #endif
 698
 699         delete _routes;
 700         delete _route_groups;
 701         delete track_canvas;
 702         delete _drag;
 703 }
 704
 705 void
 706 Editor::add_toplevel_controls (Container& cont)
 707 {
 708         vpacker.pack_start (cont, false, false);
 709         cont.show_all ();
 710 }
 711
 712 void
 713 Editor::catch_vanishing_regionview (RegionView *rv)
 714 {
 715         /* note: the selection will take care of the vanishing
 716            audioregionview by itself.
 717         */
 718
 719         if (_drag && rv->get_canvas_group() == _drag->item() && !_drag->ending()) {
 720                 _drag->end_grab (0);
 721                 delete _drag;
 722                 _drag = 0;
 723         }
 724
 725         if (clicked_regionview == rv) {
 726                 clicked_regionview = 0;
 727         }
 728
 729         if (entered_regionview == rv) {
 730                 set_entered_regionview (0);
 731         }
 732 }
 733
 734 void
 735 Editor::set_entered_regionview (RegionView* rv)
 736 {
 737         if (rv == entered_regionview) {
 738                 return;
 739         }
 740
 741         if (entered_regionview) {
 742                 entered_regionview->exited ();
 743         }
 744
 745         if ((entered_regionview = rv) != 0) {
 746                 entered_regionview->entered ();
 747         }
 748 }
 749
 750 void
 751 Editor::set_entered_track (TimeAxisView* tav)
 752 {
 753         if (entered_track) {
 754                 entered_track->exited ();
 755         }
 756
 757         if ((entered_track = tav) != 0) {
 758                 entered_track->entered ();
 759         }
 760 }
 761
 762 void
 763 Editor::show_window ()
 764 {
 765         if (! is_visible ()) {
 766                 show_all ();
 767
 768                 /* re-hide editor list if necessary */
 769                 editor_list_button_toggled ();
 770
 771                 /* re-hide summary widget if necessary */
 772                 parameter_changed ("show-summary");
 773
 774                 parameter_changed ("show-edit-group-tabs");
 775
 776                 /* now reset all audio_time_axis heights, because widgets might need
 777                    to be re-hidden
 778                 */
 779
 780                 TimeAxisView *tv;
 781
 782                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
 783                         tv = (static_cast<TimeAxisView*>(*i));
 784                         tv->reset_height ();
 785                 }
 786         }
 787
 788         present ();
 789 }
 790
 791 void
 792 Editor::instant_save ()
 793 {
 794         if (!constructed || !ARDOUR_UI::instance()->session_loaded) {
 795                 return;
 796         }
 797
 798         if (session) {
 799                 session->add_instant_xml(get_state());
 800         } else {
 801                 Config->add_instant_xml(get_state());
 802         }
 803 }
 804
 805 void
 806 Editor::edit_point_clock_changed()
 807 {
 808         if (_dragging_edit_point) {
 809                 return;
 810         }
 811
 812         if (selection->markers.empty()) {
 813                 return;
 814         }
 815
 816         bool ignored;
 817         Location* loc = find_location_from_marker (selection->markers.front(), ignored);
 818
 819         if (!loc) {
 820                 return;
 821         }
 822
 823         loc->move_to (edit_point_clock.current_time());
 824 }
 825
 826 void
 827 Editor::zoom_adjustment_changed ()
 828 {
 829         if (session == 0) {
 830                 return;
 831         }
 832
 833         double fpu = zoom_range_clock.current_duration() / _canvas_width;
 834
 835         if (fpu < 1.0) {
 836                 fpu = 1.0;
 837                 zoom_range_clock.set ((nframes64_t) floor (fpu * _canvas_width));
 838         } else if (fpu > session->current_end_frame() / _canvas_width) {
 839                 fpu = session->current_end_frame() / _canvas_width;
 840                 zoom_range_clock.set ((nframes64_t) floor (fpu * _canvas_width));
 841         }
 842
 843         temporal_zoom (fpu);
 844 }
 845
 846 void
 847 Editor::control_scroll (float fraction)
 848 {
 849         ENSURE_GUI_THREAD(bind (mem_fun (*this, &Editor::control_scroll), fraction));
 850
 851         if (!session) {
 852                 return;
 853         }
 854
 855         double step = fraction * current_page_frames();
 856
 857         /*
 858                 _control_scroll_target is an optional<T>
 859
 860                 it acts like a pointer to an nframes64_t, with
 861                 a operator conversion to boolean to check
 862                 that it has a value could possibly use
 863                 playhead_cursor->current_frame to store the
 864                 value and a boolean in the class to know
 865                 when it's out of date
 866         */
 867
 868         if (!_control_scroll_target) {
 869                 _control_scroll_target = session->transport_frame();
 870                 _dragging_playhead = true;
 871         }
 872
 873         if ((fraction < 0.0f) && (*_control_scroll_target < (nframes64_t) fabs(step))) {
 874                 *_control_scroll_target = 0;
 875         } else if ((fraction > 0.0f) && (max_frames - *_control_scroll_target < step)) {
 876                 *_control_scroll_target = max_frames - (current_page_frames()*2); // allow room for slop in where the PH is on the screen
 877         } else {
 878                 *_control_scroll_target += (nframes64_t) floor (step);
 879         }
 880
 881         /* move visuals, we'll catch up with it later */
 882
 883         playhead_cursor->set_position (*_control_scroll_target);
 884         UpdateAllTransportClocks (*_control_scroll_target);
 885
 886         if (*_control_scroll_target > (current_page_frames() / 2)) {
 887                 /* try to center PH in window */
 888                 reset_x_origin (*_control_scroll_target - (current_page_frames()/2));
 889         } else {
 890                 reset_x_origin (0);
 891         }
 892
 893         /*
 894                 Now we do a timeout to actually bring the session to the right place
 895                 according to the playhead. This is to avoid reading disk buffers on every
 896                 call to control_scroll, which is driven by ScrollTimeline and therefore
 897                 probably by a control surface wheel which can generate lots of events.
 898         */
 899         /* cancel the existing timeout */
 900
 901         control_scroll_connection.disconnect ();
 902
 903         /* add the next timeout */
 904
 905         control_scroll_connection = Glib::signal_timeout().connect (bind (mem_fun (*this, &Editor::deferred_control_scroll), *_control_scroll_target), 250);
 906 }
 907
 908 bool
 909 Editor::deferred_control_scroll (nframes64_t /*target*/)
 910 {
 911         session->request_locate (*_control_scroll_target, session->transport_rolling());
 912         // reset for next stream
 913         _control_scroll_target = boost::none;
 914         _dragging_playhead = false;
 915         return false;
 916 }
 917
 918 void
 919 Editor::access_action (std::string action_group, std::string action_item)
 920 {
 921         if (!session) {
 922                 return;
 923         }
 924
 925         ENSURE_GUI_THREAD (bind (mem_fun (*this, &Editor::access_action), action_group, action_item));
 926
 927         RefPtr<Action> act;
 928         act = ActionManager::get_action( action_group.c_str(), action_item.c_str() );
 929
 930         if (act) {
 931                 act->activate();
 932         }
 933
 934
 935 }
 936
 937 void
 938 Editor::on_realize ()
 939 {
 940         Window::on_realize ();
 941         Realized ();
 942 }
 943
 944 void
 945 Editor::start_scrolling ()
 946 {
 947         scroll_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect
 948                 (mem_fun(*this, &Editor::update_current_screen));
 949
 950 }
 951
 952 void
 953 Editor::stop_scrolling ()
 954 {
 955         scroll_connection.disconnect ();
 956 }
 957
 958 void
 959 Editor::map_position_change (nframes64_t frame)
 960 {
 961         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::map_position_change), frame));
 962
 963         if (session == 0 || !_follow_playhead) {
 964                 return;
 965         }
 966
 967         center_screen (frame);
 968         playhead_cursor->set_position (frame);
 969 }
 970
 971 void
 972 Editor::center_screen (nframes64_t frame)
 973 {
 974         double page = _canvas_width * frames_per_unit;
 975
 976         /* if we're off the page, then scroll.
 977          */
 978
 979         if (frame < leftmost_frame || frame >= leftmost_frame + page) {
 980                 center_screen_internal (frame, page);
 981         }
 982 }
 983
 984 void
 985 Editor::center_screen_internal (nframes64_t frame, float page)
 986 {
 987         page /= 2;
 988
 989         if (frame > page) {
 990                 frame -= (nframes64_t) page;
 991         } else {
 992                 frame = 0;
 993         }
 994
 995         reset_x_origin (frame);
 996 }
 997
 998 void
 999 Editor::handle_new_duration ()
1000 {
1001         if (!session) {
1002                 return;
1003         }
1004
1005         ENSURE_GUI_THREAD (mem_fun (*this, &Editor::handle_new_duration));
1006         nframes64_t new_end = session->current_end_frame() + (nframes64_t) floorf (current_page_frames() * 0.10f);
1007
1008         horizontal_adjustment.set_upper (new_end / frames_per_unit);
1009         horizontal_adjustment.set_page_size (current_page_frames()/frames_per_unit);
1010
1011         if (horizontal_adjustment.get_value() + _canvas_width > horizontal_adjustment.get_upper()) {
1012                 horizontal_adjustment.set_value (horizontal_adjustment.get_upper() - _canvas_width);
1013         }
1014         //cerr << "Editor::handle_new_duration () called ha v:l:u:ps:lcf = " << horizontal_adjustment.get_value() << ":" << horizontal_adjustment.get_lower() << ":" << horizontal_adjustment.get_upper() << ":" << horizontal_adjustment.get_page_size() << ":" << endl;//DEBUG
1015 }
1016
1017 void
1018 Editor::update_title_s (const string & snap_name)
1019 {
1020         ENSURE_GUI_THREAD(bind (mem_fun(*this, &Editor::update_title_s), snap_name));
1021
1022         update_title ();
1023 }
1024
1025 void
1026 Editor::update_title ()
1027 {
1028         ENSURE_GUI_THREAD (mem_fun(*this, &Editor::update_title));
1029
1030         if (session) {
1031                 bool dirty = session->dirty();
1032
1033                 string session_name;
1034
1035                 if (session->snap_name() != session->name()) {
1036                         session_name = session->snap_name();
1037                 } else {
1038                         session_name = session->name();
1039                 }
1040
1041                 if (dirty) {
1042                         session_name = "*" + session_name;
1043                 }
1044
1045                 WindowTitle title(session_name);
1046                 title += Glib::get_application_name();
1047                 set_title (title.get_string());
1048         }
1049 }
1050
1051 void
1052 Editor::connect_to_session (Session *t)
1053 {
1054         session = t;
1055
1056         compute_fixed_ruler_scale ();
1057
1058         /* there are never any selected regions at startup */
1059
1060         sensitize_the_right_region_actions (false);
1061
1062         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
1063         set_state (*node);
1064
1065         /* catch up with the playhead */
1066
1067         session->request_locate (playhead_cursor->current_frame);
1068
1069         update_title ();
1070
1071         session->GoingAway.connect (mem_fun(*this, &Editor::session_going_away));
1072         session->history().Changed.connect (mem_fun (*this, &Editor::history_changed));
1073
1074         /* These signals can all be emitted by a non-GUI thread. Therefore the
1075            handlers for them must not attempt to directly interact with the GUI,
1076            but use Gtkmm2ext::UI::instance()->call_slot();
1077         */
1078
1079         session_connections.push_back (session->TransportStateChange.connect (mem_fun(*this, &Editor::map_transport_state)));
1080         session_connections.push_back (session->PositionChanged.connect (mem_fun(*this, &Editor::map_position_change)));
1081         session_connections.push_back (session->RouteAdded.connect (mem_fun(*this, &Editor::handle_new_route)));
1082         session_connections.push_back (session->DurationChanged.connect (mem_fun(*this, &Editor::handle_new_duration)));
1083         session_connections.push_back (session->NamedSelectionAdded.connect (mem_fun(*this, &Editor::handle_new_named_selection)));
1084         session_connections.push_back (session->NamedSelectionRemoved.connect (mem_fun(*this, &Editor::handle_new_named_selection)));
1085         session_connections.push_back (session->DirtyChanged.connect (mem_fun(*this, &Editor::update_title)));
1086         session_connections.push_back (session->StateSaved.connect (mem_fun(*this, &Editor::update_title_s)));
1087         session_connections.push_back (session->AskAboutPlaylistDeletion.connect (mem_fun(*this, &Editor::playlist_deletion_dialog)));
1088
1089         session_connections.push_back (session->SMPTEOffsetChanged.connect (mem_fun(*this, &Editor::update_just_smpte)));
1090
1091         session_connections.push_back (session->tempo_map().StateChanged.connect (mem_fun(*this, &Editor::tempo_map_changed)));
1092
1093         session_connections.push_back (session->Located.connect (mem_fun (*this, &Editor::located)));
1094         session_connections.push_back (session->config.ParameterChanged.connect (mem_fun (*this, &Editor::parameter_changed)));
1095
1096         edit_point_clock.set_mode(AudioClock::BBT);
1097         edit_point_clock.set_session (session);
1098         zoom_range_clock.set_session (session);
1099         _playlist_selector->set_session (session);
1100         nudge_clock.set_session (session);
1101         if (Profile->get_sae()) {
1102                 BBT_Time bbt;
1103                 bbt.bars = 0;
1104                 bbt.beats = 0;
1105                 bbt.ticks = 120;
1106                 nframes_t pos = session->tempo_map().bbt_duration_at (0, bbt, 1);
1107                 nudge_clock.set_mode(AudioClock::BBT);
1108                 nudge_clock.set (pos, true, 0, AudioClock::BBT);
1109
1110         } else {
1111                 nudge_clock.set (session->frame_rate() * 5, true, 0, AudioClock::SMPTE); // default of 5 seconds
1112         }
1113
1114         playhead_cursor->canvas_item.show ();
1115
1116         if (rhythm_ferret) {
1117                 rhythm_ferret->set_session (session);
1118         }
1119
1120         if (analysis_window != 0)
1121                 analysis_window->set_session (session);
1122
1123         Location* loc = session->locations()->auto_loop_location();
1124         if (loc == 0) {
1125                 loc = new Location (0, session->current_end_frame(), _("Loop"),(Location::Flags) (Location::IsAutoLoop | Location::IsHidden));
1126                 if (loc->start() == loc->end()) {
1127                         loc->set_end (loc->start() + 1);
1128                 }
1129                 session->locations()->add (loc, false);
1130                 session->set_auto_loop_location (loc);
1131         } else {
1132                 // force name
1133                 loc->set_name (_("Loop"));
1134         }
1135
1136         loc = session->locations()->auto_punch_location();
1137         if (loc == 0) {
1138                 loc = new Location (0, session->current_end_frame(), _("Punch"), (Location::Flags) (Location::IsAutoPunch | Location::IsHidden));
1139                 if (loc->start() == loc->end()) {
1140                         loc->set_end (loc->start() + 1);
1141                 }
1142                 session->locations()->add (loc, false);
1143                 session->set_auto_punch_location (loc);
1144         } else {
1145                 // force name
1146                 loc->set_name (_("Punch"));
1147         }
1148
1149         Config->map_parameters (mem_fun (*this, &Editor::parameter_changed));
1150         session->config.map_parameters (mem_fun (*this, &Editor::parameter_changed));
1151
1152         session->StateSaved.connect (mem_fun(*this, &Editor::session_state_saved));
1153
1154         refresh_location_display ();
1155         session->locations()->added.connect (mem_fun(*this, &Editor::add_new_location));
1156         session->locations()->removed.connect (mem_fun(*this, &Editor::location_gone));
1157         session->locations()->changed.connect (mem_fun(*this, &Editor::refresh_location_display));
1158         session->locations()->StateChanged.connect (mem_fun(*this, &Editor::refresh_location_display_s));
1159         session->locations()->end_location()->changed.connect (mem_fun(*this, &Editor::end_location_changed));
1160
1161         if (sfbrowser) {
1162                 sfbrowser->set_session (session);
1163         }
1164
1165         handle_new_duration ();
1166
1167         redisplay_named_selections ();
1168
1169         restore_ruler_visibility ();
1170         //tempo_map_changed (Change (0));
1171         session->tempo_map().apply_with_metrics (*this, &Editor::draw_metric_marks);
1172
1173         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
1174                 (static_cast<TimeAxisView*>(*i))->set_samples_per_unit (frames_per_unit);
1175         }
1176
1177         start_scrolling ();
1178
1179         switch (snap_type) {
1180         case SnapToRegionStart:
1181         case SnapToRegionEnd:
1182         case SnapToRegionSync:
1183         case SnapToRegionBoundary:
1184                 build_region_boundary_cache ();
1185                 break;
1186
1187         default:
1188                 break;
1189         }
1190
1191         /* register for undo history */
1192         session->register_with_memento_command_factory(_id, this);
1193
1194         _summary->connect_to_session (session);
1195         _group_tabs->connect_to_session (session);
1196         _route_groups->connect_to_session (session);
1197         _regions->connect_to_session (session);
1198         _snapshots->connect_to_session (session);
1199         _routes->connect_to_session (session);
1200
1201         start_updating ();
1202 }
1203
1204 void
1205 Editor::build_cursors ()
1206 {
1207         using namespace Gdk;
1208
1209         Gdk::Color mbg ("#000000" ); /* Black */
1210         Gdk::Color mfg ("#0000ff" ); /* Blue. */
1211
1212         {
1213                 RefPtr<Bitmap> source, mask;
1214                 source = Bitmap::create (mag_bits, mag_width, mag_height);
1215                 mask = Bitmap::create (magmask_bits, mag_width, mag_height);
1216                 zoom_cursor = new Gdk::Cursor (source, mask, mfg, mbg, mag_x_hot, mag_y_hot);
1217         }
1218
1219         Gdk::Color fbg ("#ffffff" );
1220         Gdk::Color ffg  ("#000000" );
1221
1222         {
1223                 RefPtr<Bitmap> source, mask;
1224
1225                 source = Bitmap::create (fader_cursor_bits, fader_cursor_width, fader_cursor_height);
1226                 mask = Bitmap::create (fader_cursor_mask_bits, fader_cursor_width, fader_cursor_height);
1227                 fader_cursor = new Gdk::Cursor (source, mask, ffg, fbg, fader_cursor_x_hot, fader_cursor_y_hot);
1228         }
1229
1230         {
1231                 RefPtr<Bitmap> source, mask;
1232                 source = Bitmap::create (speaker_cursor_bits, speaker_cursor_width, speaker_cursor_height);
1233                 mask = Bitmap::create (speaker_cursor_mask_bits, speaker_cursor_width, speaker_cursor_height);
1234                 speaker_cursor = new Gdk::Cursor (source, mask, ffg, fbg, speaker_cursor_x_hot, speaker_cursor_y_hot);
1235         }
1236
1237         {
1238                 RefPtr<Bitmap> bits;
1239                 char pix[4] = { 0, 0, 0, 0 };
1240                 bits = Bitmap::create (pix, 2, 2);
1241                 Gdk::Color c;
1242                 transparent_cursor = new Gdk::Cursor (bits, bits, c, c, 0, 0);
1243         }
1244
1245         {
1246                 RefPtr<Bitmap> bits;
1247                 char pix[4] = { 0, 0, 0, 0 };
1248                 bits = Bitmap::create (pix, 2, 2);
1249                 Gdk::Color c;
1250                 transparent_cursor = new Gdk::Cursor (bits, bits, c, c, 0, 0);
1251         }
1252
1253
1254         grabber_cursor = new Gdk::Cursor (HAND2);
1255
1256         {
1257                 Glib::RefPtr<Gdk::Pixbuf> grabber_edit_point_pixbuf (::get_icon ("grabber_edit_point"));
1258                 grabber_edit_point_cursor = new Gdk::Cursor (Gdk::Display::get_default(), grabber_edit_point_pixbuf, 5, 17);
1259         }
1260
1261         cross_hair_cursor = new Gdk::Cursor (CROSSHAIR);
1262         trimmer_cursor =  new Gdk::Cursor (SB_H_DOUBLE_ARROW);
1263         selector_cursor = new Gdk::Cursor (XTERM);
1264         time_fx_cursor = new Gdk::Cursor (SIZING);
1265         wait_cursor = new Gdk::Cursor  (WATCH);
1266         timebar_cursor = new Gdk::Cursor(LEFT_PTR);
1267         midi_pencil_cursor = new Gdk::Cursor (PENCIL);
1268         midi_select_cursor = new Gdk::Cursor (CENTER_PTR);
1269         midi_resize_cursor = new Gdk::Cursor (SIZING);
1270         midi_erase_cursor = new Gdk::Cursor (DRAPED_BOX);
1271 }
1272
1273 /** Pop up a context menu for when the user clicks on a fade in or fade out */
1274 void
1275 Editor::popup_fade_context_menu (int button, int32_t time, ArdourCanvas::Item* item, ItemType item_type)
1276 {
1277         using namespace Menu_Helpers;
1278         AudioRegionView* arv = static_cast<AudioRegionView*> (item->get_data ("regionview"));
1279
1280         if (arv == 0) {
1281                 fatal << _("programming error: fade in canvas item has no regionview data pointer!") << endmsg;
1282                 /*NOTREACHED*/
1283         }
1284
1285         MenuList& items (fade_context_menu.items());
1286
1287         items.clear ();
1288
1289         switch (item_type) {
1290         case FadeInItem:
1291         case FadeInHandleItem:
1292                 if (arv->audio_region()->fade_in_active()) {
1293                         items.push_back (MenuElem (_("Deactivate"), bind (mem_fun (*this, &Editor::set_fade_in_active), false)));
1294                 } else {
1295                         items.push_back (MenuElem (_("Activate"), bind (mem_fun (*this, &Editor::set_fade_in_active), true)));
1296                 }
1297
1298                 items.push_back (SeparatorElem());
1299
1300                 if (Profile->get_sae()) {
1301                         items.push_back (MenuElem (_("Linear"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Linear)));
1302                         items.push_back (MenuElem (_("Slowest"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Fast)));
1303                 } else {
1304                         items.push_back (MenuElem (_("Linear"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Linear)));
1305                         items.push_back (MenuElem (_("Slowest"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Fast)));
1306                         items.push_back (MenuElem (_("Slow"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::LogB)));
1307                         items.push_back (MenuElem (_("Fast"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::LogA)));
1308                         items.push_back (MenuElem (_("Fastest"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Slow)));
1309                 }
1310
1311                 break;
1312
1313         case FadeOutItem:
1314         case FadeOutHandleItem:
1315                 if (arv->audio_region()->fade_out_active()) {
1316                         items.push_back (MenuElem (_("Deactivate"), bind (mem_fun (*this, &Editor::set_fade_out_active), false)));
1317                 } else {
1318                         items.push_back (MenuElem (_("Activate"), bind (mem_fun (*this, &Editor::set_fade_out_active), true)));
1319                 }
1320
1321                 items.push_back (SeparatorElem());
1322
1323                 if (Profile->get_sae()) {
1324                         items.push_back (MenuElem (_("Linear"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Linear)));
1325                         items.push_back (MenuElem (_("Slowest"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Slow)));
1326                 } else {
1327                         items.push_back (MenuElem (_("Linear"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Linear)));
1328                         items.push_back (MenuElem (_("Slowest"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Slow)));
1329                         items.push_back (MenuElem (_("Slow"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::LogA)));
1330                         items.push_back (MenuElem (_("Fast"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::LogB)));
1331                         items.push_back (MenuElem (_("Fastest"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Fast)));
1332                 }
1333
1334                 break;
1335
1336         default:
1337                 fatal << _("programming error: ")
1338                       << X_("non-fade canvas item passed to popup_fade_context_menu()")
1339                       << endmsg;
1340                 /*NOTREACHED*/
1341         }
1342
1343         fade_context_menu.popup (button, time);
1344 }
1345
1346 void
1347 Editor::popup_track_context_menu (int button, int32_t time, ItemType item_type, bool with_selection, nframes64_t frame)
1348 {
1349         using namespace Menu_Helpers;
1350         Menu* (Editor::*build_menu_function)(nframes64_t);
1351         Menu *menu;
1352
1353         switch (item_type) {
1354         case RegionItem:
1355         case RegionViewName:
1356         case RegionViewNameHighlight:
1357                 if (with_selection) {
1358                         build_menu_function = &Editor::build_track_selection_context_menu;
1359                 } else {
1360                         build_menu_function = &Editor::build_track_region_context_menu;
1361                 }
1362                 break;
1363
1364         case SelectionItem:
1365                 if (with_selection) {
1366                         build_menu_function = &Editor::build_track_selection_context_menu;
1367                 } else {
1368                         build_menu_function = &Editor::build_track_context_menu;
1369                 }
1370                 break;
1371
1372         case CrossfadeViewItem:
1373                 build_menu_function = &Editor::build_track_crossfade_context_menu;
1374                 break;
1375
1376         case StreamItem:
1377                 if (clicked_routeview->get_diskstream()) {
1378                         build_menu_function = &Editor::build_track_context_menu;
1379                 } else {
1380                         build_menu_function = &Editor::build_track_bus_context_menu;
1381                 }
1382                 break;
1383
1384         default:
1385                 /* probably shouldn't happen but if it does, we don't care */
1386                 return;
1387         }
1388
1389         menu = (this->*build_menu_function)(frame);
1390         menu->set_name ("ArdourContextMenu");
1391
1392         /* now handle specific situations */
1393
1394         switch (item_type) {
1395         case RegionItem:
1396         case RegionViewName:
1397         case RegionViewNameHighlight:
1398                 if (!with_selection) {
1399                         if (region_edit_menu_split_item) {
1400                                 if (clicked_regionview && clicked_regionview->region()->covers (get_preferred_edit_position())) {
1401                                         ActionManager::set_sensitive (ActionManager::edit_point_in_region_sensitive_actions, true);
1402                                 } else {
1403                                         ActionManager::set_sensitive (ActionManager::edit_point_in_region_sensitive_actions, false);
1404                                 }
1405                         }
1406                         /*
1407                         if (region_edit_menu_split_multichannel_item) {
1408                                 if (clicked_regionview && clicked_regionview->region().n_channels() > 1) {
1409                                         // GTK2FIX find the action, change its sensitivity
1410                                         // region_edit_menu_split_multichannel_item->set_sensitive (true);
1411                                 } else {
1412                                         // GTK2FIX see above
1413                                         // region_edit_menu_split_multichannel_item->set_sensitive (false);
1414                                 }
1415                         }*/
1416                 }
1417                 break;
1418
1419         case SelectionItem:
1420                 break;
1421
1422         case CrossfadeViewItem:
1423                 break;
1424
1425         case StreamItem:
1426                 break;
1427
1428         default:
1429                 /* probably shouldn't happen but if it does, we don't care */
1430                 return;
1431         }
1432
1433         if (item_type != SelectionItem && clicked_routeview && clicked_routeview->audio_track()) {
1434
1435                 /* Bounce to disk */
1436
1437                 using namespace Menu_Helpers;
1438                 MenuList& edit_items  = menu->items();
1439
1440                 edit_items.push_back (SeparatorElem());
1441
1442                 switch (clicked_routeview->audio_track()->freeze_state()) {
1443                 case AudioTrack::NoFreeze:
1444                         edit_items.push_back (MenuElem (_("Freeze"), mem_fun(*this, &Editor::freeze_route)));
1445                         break;
1446
1447                 case AudioTrack::Frozen:
1448                         edit_items.push_back (MenuElem (_("Unfreeze"), mem_fun(*this, &Editor::unfreeze_route)));
1449                         break;
1450
1451                 case AudioTrack::UnFrozen:
1452                         edit_items.push_back (MenuElem (_("Freeze"), mem_fun(*this, &Editor::freeze_route)));
1453                         break;
1454                 }
1455
1456         }
1457
1458         if (item_type == StreamItem && clicked_routeview) {
1459                 clicked_routeview->build_underlay_menu(menu);
1460         }
1461
1462         menu->popup (button, time);
1463 }
1464
1465 Menu*
1466 Editor::build_track_context_menu (nframes64_t)
1467 {
1468         using namespace Menu_Helpers;
1469
1470         MenuList& edit_items = track_context_menu.items();
1471         edit_items.clear();
1472
1473         add_dstream_context_items (edit_items);
1474         return &track_context_menu;
1475 }
1476
1477 Menu*
1478 Editor::build_track_bus_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_bus_context_items (edit_items);
1486         return &track_context_menu;
1487 }
1488
1489 Menu*
1490 Editor::build_track_region_context_menu (nframes64_t frame)
1491 {
1492         using namespace Menu_Helpers;
1493         MenuList& edit_items  = track_region_context_menu.items();
1494         edit_items.clear();
1495
1496         RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (clicked_axisview);
1497
1498         if (rtv) {
1499                 boost::shared_ptr<Diskstream> ds;
1500                 boost::shared_ptr<Playlist> pl;
1501
1502                 if ((ds = rtv->get_diskstream()) && ((pl = ds->playlist()))) {
1503                         Playlist::RegionList* regions = pl->regions_at ((nframes64_t) floor ( (double)frame * ds->speed()));
1504
1505                         if (selection->regions.size() > 1) {
1506                                 // there's already a multiple selection: just add a
1507                                 // single region context menu that will act on all
1508                                 // selected regions
1509                                 boost::shared_ptr<Region> dummy_region; // = NULL
1510                                 add_region_context_items (rtv->view(), dummy_region, edit_items);
1511                         } else {
1512                                 for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
1513                                         add_region_context_items (rtv->view(), (*i), edit_items);
1514                                 }
1515                         }
1516
1517                         delete regions;
1518                 }
1519         }
1520
1521         add_dstream_context_items (edit_items);
1522
1523         return &track_region_context_menu;
1524 }
1525
1526 Menu*
1527 Editor::build_track_crossfade_context_menu (nframes64_t frame)
1528 {
1529         using namespace Menu_Helpers;
1530         MenuList& edit_items  = track_crossfade_context_menu.items();
1531         edit_items.clear ();
1532
1533         AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*> (clicked_axisview);
1534
1535         if (atv) {
1536                 boost::shared_ptr<Diskstream> ds;
1537                 boost::shared_ptr<Playlist> pl;
1538                 boost::shared_ptr<AudioPlaylist> apl;
1539
1540                 if ((ds = atv->get_diskstream()) && ((pl = ds->playlist()) != 0) && ((apl = boost::dynamic_pointer_cast<AudioPlaylist> (pl)) != 0)) {
1541
1542                         Playlist::RegionList* regions = pl->regions_at (frame);
1543                         AudioPlaylist::Crossfades xfades;
1544
1545                         apl->crossfades_at (frame, xfades);
1546
1547                         bool many = xfades.size() > 1;
1548
1549                         for (AudioPlaylist::Crossfades::iterator i = xfades.begin(); i != xfades.end(); ++i) {
1550                                 add_crossfade_context_items (atv->audio_view(), (*i), edit_items, many);
1551                         }
1552
1553                         if (selection->regions.size() > 1) {
1554                                 // there's already a multiple selection: just add a
1555                                 // single region context menu that will act on all
1556                                 // selected regions
1557                                 boost::shared_ptr<Region> dummy_region; // = NULL
1558                                 add_region_context_items (atv->audio_view(), dummy_region, edit_items);
1559                         } else {
1560                                 for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
1561                                         add_region_context_items (atv->audio_view(), (*i), edit_items);
1562                                 }
1563                         }
1564                         delete regions;
1565                 }
1566         }
1567
1568         add_dstream_context_items (edit_items);
1569
1570         return &track_crossfade_context_menu;
1571 }
1572
1573 void
1574 Editor::analyze_region_selection()
1575 {
1576         if (analysis_window == 0) {
1577                 analysis_window = new AnalysisWindow();
1578
1579                 if (session != 0)
1580                         analysis_window->set_session(session);
1581
1582                 analysis_window->show_all();
1583         }
1584
1585         analysis_window->set_regionmode();
1586         analysis_window->analyze();
1587
1588         analysis_window->present();
1589 }
1590
1591 void
1592 Editor::analyze_range_selection()
1593 {
1594         if (analysis_window == 0) {
1595                 analysis_window = new AnalysisWindow();
1596
1597                 if (session != 0)
1598                         analysis_window->set_session(session);
1599
1600                 analysis_window->show_all();
1601         }
1602
1603         analysis_window->set_rangemode();
1604         analysis_window->analyze();
1605
1606         analysis_window->present();
1607 }
1608
1609 Menu*
1610 Editor::build_track_selection_context_menu (nframes64_t)
1611 {
1612         using namespace Menu_Helpers;
1613         MenuList& edit_items  = track_selection_context_menu.items();
1614         edit_items.clear ();
1615
1616         add_selection_context_items (edit_items);
1617         // edit_items.push_back (SeparatorElem());
1618         // add_dstream_context_items (edit_items);
1619
1620         return &track_selection_context_menu;
1621 }
1622
1623 /** Add context menu items relevant to crossfades.
1624  * @param edit_items List to add the items to.
1625  */
1626 void
1627 Editor::add_crossfade_context_items (AudioStreamView* /*view*/, boost::shared_ptr<Crossfade> xfade, Menu_Helpers::MenuList& edit_items, bool many)
1628 {
1629         using namespace Menu_Helpers;
1630         Menu     *xfade_menu = manage (new Menu);
1631         MenuList& items       = xfade_menu->items();
1632         xfade_menu->set_name ("ArdourContextMenu");
1633         string str;
1634
1635         if (xfade->active()) {
1636                 str = _("Mute");
1637         } else {
1638                 str = _("Unmute");
1639         }
1640
1641         items.push_back (MenuElem (str, bind (mem_fun(*this, &Editor::toggle_xfade_active), boost::weak_ptr<Crossfade> (xfade))));
1642         items.push_back (MenuElem (_("Edit"), bind (mem_fun(*this, &Editor::edit_xfade), boost::weak_ptr<Crossfade> (xfade))));
1643
1644         if (xfade->can_follow_overlap()) {
1645
1646                 if (xfade->following_overlap()) {
1647                         str = _("Convert to short");
1648                 } else {
1649                         str = _("Convert to full");
1650                 }
1651
1652                 items.push_back (MenuElem (str, bind (mem_fun(*this, &Editor::toggle_xfade_length), xfade)));
1653         }
1654
1655         if (many) {
1656                 str = xfade->out()->name();
1657                 str += "->";
1658                 str += xfade->in()->name();
1659         } else {
1660                 str = _("Crossfade");
1661         }
1662
1663         edit_items.push_back (MenuElem (str, *xfade_menu));
1664         edit_items.push_back (SeparatorElem());
1665 }
1666
1667 void
1668 Editor::xfade_edit_left_region ()
1669 {
1670         if (clicked_crossfadeview) {
1671                 clicked_crossfadeview->left_view.show_region_editor ();
1672         }
1673 }
1674
1675 void
1676 Editor::xfade_edit_right_region ()
1677 {
1678         if (clicked_crossfadeview) {
1679                 clicked_crossfadeview->right_view.show_region_editor ();
1680         }
1681 }
1682
1683 void
1684 Editor::add_region_context_items (StreamView* sv, boost::shared_ptr<Region> region, Menu_Helpers::MenuList& edit_items)
1685 {
1686         using namespace Menu_Helpers;
1687         Gtk::MenuItem* foo_item;
1688         Menu     *region_menu = manage (new Menu);
1689         MenuList& items       = region_menu->items();
1690         region_menu->set_name ("ArdourContextMenu");
1691
1692         boost::shared_ptr<AudioRegion> ar;
1693         boost::shared_ptr<MidiRegion>  mr;
1694
1695         if (region) {
1696                 ar = boost::dynamic_pointer_cast<AudioRegion> (region);
1697                 mr = boost::dynamic_pointer_cast<MidiRegion> (region);
1698
1699                 /* when this particular menu pops up, make the relevant region
1700                    become selected.
1701                 */
1702
1703                 region_menu->signal_map_event().connect (
1704                         bind (mem_fun(*this, &Editor::set_selected_regionview_from_map_event), sv, boost::weak_ptr<Region>(region)));
1705
1706                 items.push_back (MenuElem (_("Rename"), mem_fun(*this, &Editor::rename_region)));
1707                 if (mr && internal_editing()) {
1708                         items.push_back (MenuElem (_("Popup list editor"), mem_fun(*this, &Editor::show_midi_list_editor)));
1709                 } else {
1710                         items.push_back (MenuElem (_("Popup region editor"), mem_fun(*this, &Editor::edit_region)));
1711                 }
1712         }
1713
1714         items.push_back (MenuElem (_("Raise to top layer"), mem_fun(*this, &Editor::raise_region_to_top)));
1715         items.push_back (MenuElem (_("Lower to bottom layer"), mem_fun  (*this, &Editor::lower_region_to_bottom)));
1716         items.push_back (SeparatorElem());
1717         items.push_back (MenuElem (_("Define sync point"), mem_fun(*this, &Editor::set_region_sync_from_edit_point)));
1718         items.push_back (MenuElem (_("Remove sync point"), mem_fun(*this, &Editor::remove_region_sync)));
1719         items.push_back (SeparatorElem());
1720
1721         items.push_back (MenuElem (_("Audition"), mem_fun(*this, &Editor::play_selected_region)));
1722         items.push_back (MenuElem (_("Export"), mem_fun(*this, &Editor::export_region)));
1723         items.push_back (MenuElem (_("Bounce"), mem_fun(*this, &Editor::bounce_region_selection)));
1724
1725         if (ar) {
1726                 items.push_back (MenuElem (_("Spectral Analysis"), mem_fun(*this, &Editor::analyze_region_selection)));
1727         }
1728
1729         items.push_back (SeparatorElem());
1730
1731         sigc::connection fooc;
1732         boost::shared_ptr<Region> region_to_check;
1733
1734         if (region) {
1735                 region_to_check = region;
1736         } else {
1737                 region_to_check = selection->regions.front()->region();
1738         }
1739
1740         items.push_back (CheckMenuElem (_("Lock")));
1741         CheckMenuItem* region_lock_item = static_cast<CheckMenuItem*>(&items.back());
1742         if (region_to_check->locked()) {
1743                 region_lock_item->set_active();
1744         }
1745         region_lock_item->signal_activate().connect (mem_fun(*this, &Editor::toggle_region_lock));
1746
1747         items.push_back (CheckMenuElem (_("Glue to Bars&Beats")));
1748         CheckMenuItem* bbt_glue_item = static_cast<CheckMenuItem*>(&items.back());
1749
1750         switch (region_to_check->positional_lock_style()) {
1751         case Region::MusicTime:
1752                 bbt_glue_item->set_active (true);
1753                 break;
1754         default:
1755                 bbt_glue_item->set_active (false);
1756                 break;
1757         }
1758
1759         bbt_glue_item->signal_activate().connect (bind (mem_fun (*this, &Editor::set_region_lock_style), Region::MusicTime));
1760
1761         items.push_back (CheckMenuElem (_("Mute")));
1762         CheckMenuItem* region_mute_item = static_cast<CheckMenuItem*>(&items.back());
1763         fooc = region_mute_item->signal_activate().connect (mem_fun(*this, &Editor::toggle_region_mute));
1764         if (region_to_check->muted()) {
1765                 fooc.block (true);
1766                 region_mute_item->set_active();
1767                 fooc.block (false);
1768         }
1769
1770         if (!Profile->get_sae()) {
1771                 items.push_back (CheckMenuElem (_("Opaque")));
1772                 CheckMenuItem* region_opaque_item = static_cast<CheckMenuItem*>(&items.back());
1773                 fooc = region_opaque_item->signal_activate().connect (mem_fun(*this, &Editor::toggle_region_opaque));
1774                 if (region_to_check->opaque()) {
1775                         fooc.block (true);
1776                         region_opaque_item->set_active();
1777                         fooc.block (false);
1778                 }
1779         }
1780
1781         items.push_back (CheckMenuElem (_("Original position"), mem_fun(*this, &Editor::naturalize)));
1782         if (region_to_check->at_natural_position()) {
1783                 items.back().set_sensitive (false);
1784         }
1785
1786         items.push_back (SeparatorElem());
1787
1788         if (ar) {
1789
1790                 RegionView* rv = sv->find_view (ar);
1791                 AudioRegionView* arv = dynamic_cast<AudioRegionView*>(rv);
1792
1793                 if (!Profile->get_sae()) {
1794                         items.push_back (MenuElem (_("Reset Envelope"), mem_fun(*this, &Editor::reset_region_gain_envelopes)));
1795
1796                         items.push_back (CheckMenuElem (_("Envelope Visible")));
1797                         CheckMenuItem* region_envelope_visible_item = static_cast<CheckMenuItem*> (&items.back());
1798                         fooc = region_envelope_visible_item->signal_activate().connect (mem_fun(*this, &Editor::toggle_gain_envelope_visibility));
1799                         if (arv->envelope_visible()) {
1800                                 fooc.block (true);
1801                                 region_envelope_visible_item->set_active (true);
1802                                 fooc.block (false);
1803                         }
1804
1805                         items.push_back (CheckMenuElem (_("Envelope Active")));
1806                         CheckMenuItem* region_envelope_active_item = static_cast<CheckMenuItem*> (&items.back());
1807                         fooc = region_envelope_active_item->signal_activate().connect (mem_fun(*this, &Editor::toggle_gain_envelope_active));
1808
1809                         if (ar->envelope_active()) {
1810                                 fooc.block (true);
1811                                 region_envelope_active_item->set_active (true);
1812                                 fooc.block (false);
1813                         }
1814
1815                         items.push_back (SeparatorElem());
1816                 }
1817
1818                 if (ar->scale_amplitude() != 1.0f) {
1819                         items.push_back (MenuElem (_("DeNormalize"), mem_fun(*this, &Editor::denormalize_region)));
1820                 } else {
1821                         items.push_back (MenuElem (_("Normalize"), mem_fun(*this, &Editor::normalize_region)));
1822                 }
1823
1824         } else if (mr) {
1825                 items.push_back (MenuElem (_("Quantize"), mem_fun(*this, &Editor::quantize_region)));
1826                 items.push_back (SeparatorElem());
1827         }
1828
1829         items.push_back (MenuElem (_("Strip silence..."), mem_fun (*this, &Editor::strip_region_silence)));
1830         items.push_back (MenuElem (_("Reverse"), mem_fun(*this, &Editor::reverse_region)));
1831         items.push_back (SeparatorElem());
1832
1833         /* range related stuff */
1834
1835         items.push_back (MenuElem (_("Add Single Range"), mem_fun (*this, &Editor::add_location_from_audio_region)));
1836         items.push_back (MenuElem (_("Add Range Markers"), mem_fun (*this, &Editor::add_locations_from_audio_region)));
1837         if (selection->regions.size() < 2) {
1838                 items.back().set_sensitive (false);
1839         }
1840
1841         items.push_back (MenuElem (_("Set Range Selection"), mem_fun (*this, &Editor::set_selection_from_region)));
1842         items.push_back (SeparatorElem());
1843
1844         /* Nudge region */
1845
1846         Menu *nudge_menu = manage (new Menu());
1847         MenuList& nudge_items = nudge_menu->items();
1848         nudge_menu->set_name ("ArdourContextMenu");
1849
1850         nudge_items.push_back (MenuElem (_("Nudge fwd"), (bind (mem_fun(*this, &Editor::nudge_forward), false, false))));
1851         nudge_items.push_back (MenuElem (_("Nudge bwd"), (bind (mem_fun(*this, &Editor::nudge_backward), false, false))));
1852         nudge_items.push_back (MenuElem (_("Nudge fwd by capture offset"), (mem_fun(*this, &Editor::nudge_forward_capture_offset))));
1853         nudge_items.push_back (MenuElem (_("Nudge bwd by capture offset"), (mem_fun(*this, &Editor::nudge_backward_capture_offset))));
1854
1855         items.push_back (MenuElem (_("Nudge"), *nudge_menu));
1856         items.push_back (SeparatorElem());
1857
1858         Menu *trim_menu = manage (new Menu);
1859         MenuList& trim_items = trim_menu->items();
1860         trim_menu->set_name ("ArdourContextMenu");
1861
1862         trim_items.push_back (MenuElem (_("Start to edit point"), mem_fun(*this, &Editor::trim_region_from_edit_point)));
1863         foo_item = &trim_items.back();
1864         if (_edit_point == EditAtMouse) {
1865                 foo_item->set_sensitive (false);
1866         }
1867         trim_items.push_back (MenuElem (_("Edit point to end"), mem_fun(*this, &Editor::trim_region_to_edit_point)));
1868         foo_item = &trim_items.back();
1869         if (_edit_point == EditAtMouse) {
1870                 foo_item->set_sensitive (false);
1871         }
1872         trim_items.push_back (MenuElem (_("Trim To Loop"), mem_fun(*this, &Editor::trim_region_to_loop)));
1873         trim_items.push_back (MenuElem (_("Trim To Punch"), mem_fun(*this, &Editor::trim_region_to_punch)));
1874
1875         items.push_back (MenuElem (_("Trim"), *trim_menu));
1876         items.push_back (SeparatorElem());
1877
1878         items.push_back (MenuElem (_("Split"), (mem_fun(*this, &Editor::split))));
1879         region_edit_menu_split_item = &items.back();
1880
1881         if (_edit_point == EditAtMouse) {
1882                 region_edit_menu_split_item->set_sensitive (false);
1883         }
1884
1885         items.push_back (MenuElem (_("Make mono regions"), (mem_fun(*this, &Editor::split_multichannel_region))));
1886         region_edit_menu_split_multichannel_item = &items.back();
1887
1888         items.push_back (MenuElem (_("Duplicate"), (bind (mem_fun(*this, &Editor::duplicate_dialog), false))));
1889         items.push_back (MenuElem (_("Multi-Duplicate"), (bind (mem_fun(*this, &Editor::duplicate_dialog), true))));
1890         items.push_back (MenuElem (_("Fill Track"), (mem_fun(*this, &Editor::region_fill_track))));
1891         items.push_back (SeparatorElem());
1892         items.push_back (MenuElem (_("Remove"), mem_fun(*this, &Editor::remove_selected_regions)));
1893
1894         /* OK, stick the region submenu at the top of the list, and then add
1895            the standard items.
1896         */
1897
1898         /* we have to hack up the region name because "_" has a special
1899            meaning for menu titles.
1900         */
1901
1902         string::size_type pos = 0;
1903         string menu_item_name = (region) ? region->name() : _("Selected regions");
1904
1905         while ((pos = menu_item_name.find ("_", pos)) != string::npos) {
1906                 menu_item_name.replace (pos, 1, "__");
1907                 pos += 2;
1908         }
1909
1910         edit_items.push_back (MenuElem (menu_item_name, *region_menu));
1911         edit_items.push_back (SeparatorElem());
1912 }
1913
1914 /** Add context menu items relevant to selection ranges.
1915  * @param edit_items List to add the items to.
1916  */
1917 void
1918 Editor::add_selection_context_items (Menu_Helpers::MenuList& edit_items)
1919 {
1920         using namespace Menu_Helpers;
1921
1922         edit_items.push_back (MenuElem (_("Play Range"), mem_fun(*this, &Editor::play_selection)));
1923         edit_items.push_back (MenuElem (_("Loop Range"), bind (mem_fun(*this, &Editor::set_loop_from_selection), true)));
1924
1925         edit_items.push_back (SeparatorElem());
1926         edit_items.push_back (MenuElem (_("Spectral Analysis"), mem_fun(*this, &Editor::analyze_range_selection)));
1927
1928         if (!selection->regions.empty()) {
1929                 edit_items.push_back (SeparatorElem());
1930                 edit_items.push_back (MenuElem (_("Extend Range to End of Region"), bind (mem_fun(*this, &Editor::extend_selection_to_end_of_region), false)));
1931                 edit_items.push_back (MenuElem (_("Extend Range to Start of Region"), bind (mem_fun(*this, &Editor::extend_selection_to_start_of_region), false)));
1932         }
1933
1934         edit_items.push_back (SeparatorElem());
1935         edit_items.push_back (MenuElem (_("Silence Range"), mem_fun(*this, &Editor::separate_region_from_selection)));
1936         edit_items.push_back (MenuElem (_("Convert to Region in Region List"), mem_fun(*this, &Editor::new_region_from_selection)));
1937
1938         edit_items.push_back (SeparatorElem());
1939         edit_items.push_back (MenuElem (_("Select All in Range"), mem_fun(*this, &Editor::select_all_selectables_using_time_selection)));
1940
1941         edit_items.push_back (SeparatorElem());
1942         edit_items.push_back (MenuElem (_("Set Loop from Range"), bind (mem_fun(*this, &Editor::set_loop_from_selection), false)));
1943         edit_items.push_back (MenuElem (_("Set Punch from Range"), mem_fun(*this, &Editor::set_punch_from_selection)));
1944
1945         edit_items.push_back (SeparatorElem());
1946         edit_items.push_back (MenuElem (_("Add Range Markers"), mem_fun (*this, &Editor::add_location_from_selection)));
1947
1948         edit_items.push_back (SeparatorElem());
1949         edit_items.push_back (MenuElem (_("Crop Region to Range"), mem_fun(*this, &Editor::crop_region_to_selection)));
1950         edit_items.push_back (MenuElem (_("Fill Range with Region"), mem_fun(*this, &Editor::region_fill_selection)));
1951         edit_items.push_back (MenuElem (_("Duplicate Range"), bind (mem_fun(*this, &Editor::duplicate_dialog), false)));
1952         edit_items.push_back (MenuElem (_("Create Chunk from Range"), mem_fun(*this, &Editor::create_named_selection)));
1953
1954         edit_items.push_back (SeparatorElem());
1955         edit_items.push_back (MenuElem (_("Consolidate Range"), bind (mem_fun(*this, &Editor::bounce_range_selection), true, false)));
1956         edit_items.push_back (MenuElem (_("Consolidate Range With Processing"), bind (mem_fun(*this, &Editor::bounce_range_selection), true, true)));
1957         edit_items.push_back (MenuElem (_("Bounce Range to Region List"), bind (mem_fun(*this, &Editor::bounce_range_selection), false, false)));
1958         edit_items.push_back (MenuElem (_("Bounce Range to Region List With Processing"), bind (mem_fun(*this, &Editor::bounce_range_selection), false, true)));
1959         edit_items.push_back (MenuElem (_("Export Range"), mem_fun(*this, &Editor::export_range)));
1960 }
1961
1962
1963 void
1964 Editor::add_dstream_context_items (Menu_Helpers::MenuList& edit_items)
1965 {
1966         using namespace Menu_Helpers;
1967
1968         /* Playback */
1969
1970         Menu *play_menu = manage (new Menu);
1971         MenuList& play_items = play_menu->items();
1972         play_menu->set_name ("ArdourContextMenu");
1973
1974         play_items.push_back (MenuElem (_("Play from edit point"), mem_fun(*this, &Editor::play_from_edit_point)));
1975         play_items.push_back (MenuElem (_("Play from start"), mem_fun(*this, &Editor::play_from_start)));
1976         play_items.push_back (MenuElem (_("Play region"), mem_fun(*this, &Editor::play_selected_region)));
1977         play_items.push_back (SeparatorElem());
1978         play_items.push_back (MenuElem (_("Loop Region"), mem_fun(*this, &Editor::loop_selected_region)));
1979
1980         edit_items.push_back (MenuElem (_("Play"), *play_menu));
1981
1982         /* Selection */
1983
1984         Menu *select_menu = manage (new Menu);
1985         MenuList& select_items = select_menu->items();
1986         select_menu->set_name ("ArdourContextMenu");
1987
1988         select_items.push_back (MenuElem (_("Select All in track"), bind (mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
1989         select_items.push_back (MenuElem (_("Select All"), bind (mem_fun(*this, &Editor::select_all), Selection::Set)));
1990         select_items.push_back (MenuElem (_("Invert selection in track"), mem_fun(*this, &Editor::invert_selection_in_track)));
1991         select_items.push_back (MenuElem (_("Invert selection"), mem_fun(*this, &Editor::invert_selection)));
1992         select_items.push_back (SeparatorElem());
1993         select_items.push_back (MenuElem (_("Set range to loop range"), mem_fun(*this, &Editor::set_selection_from_loop)));
1994         select_items.push_back (MenuElem (_("Set range to punch range"), mem_fun(*this, &Editor::set_selection_from_punch)));
1995         select_items.push_back (SeparatorElem());
1996         select_items.push_back (MenuElem (_("Select All After Edit Point"), bind (mem_fun(*this, &Editor::select_all_selectables_using_edit), true)));
1997         select_items.push_back (MenuElem (_("Select All Before Edit Point"), bind (mem_fun(*this, &Editor::select_all_selectables_using_edit), false)));
1998         select_items.push_back (MenuElem (_("Select All After Playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
1999         select_items.push_back (MenuElem (_("Select All Before Playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
2000         select_items.push_back (MenuElem (_("Select All Between Playhead & Edit Point"), bind (mem_fun(*this, &Editor::select_all_selectables_between), false)));
2001         select_items.push_back (MenuElem (_("Select All Within Playhead & Edit Point"), bind (mem_fun(*this, &Editor::select_all_selectables_between), true)));
2002         select_items.push_back (MenuElem (_("Select Range Between Playhead & Edit Point"), mem_fun(*this, &Editor::select_range_between)));
2003
2004         select_items.push_back (SeparatorElem());
2005
2006         edit_items.push_back (MenuElem (_("Select"), *select_menu));
2007
2008         /* Cut-n-Paste */
2009
2010         Menu *cutnpaste_menu = manage (new Menu);
2011         MenuList& cutnpaste_items = cutnpaste_menu->items();
2012         cutnpaste_menu->set_name ("ArdourContextMenu");
2013
2014         cutnpaste_items.push_back (MenuElem (_("Cut"), mem_fun(*this, &Editor::cut)));
2015         cutnpaste_items.push_back (MenuElem (_("Copy"), mem_fun(*this, &Editor::copy)));
2016         cutnpaste_items.push_back (MenuElem (_("Paste"), bind (mem_fun(*this, &Editor::paste), 1.0f)));
2017
2018         cutnpaste_items.push_back (SeparatorElem());
2019
2020         cutnpaste_items.push_back (MenuElem (_("Align"), bind (mem_fun(*this, &Editor::align), ARDOUR::SyncPoint)));
2021         cutnpaste_items.push_back (MenuElem (_("Align Relative"), bind (mem_fun(*this, &Editor::align_relative), ARDOUR::SyncPoint)));
2022
2023         cutnpaste_items.push_back (SeparatorElem());
2024
2025         cutnpaste_items.push_back (MenuElem (_("Insert chunk"), bind (mem_fun(*this, &Editor::paste_named_selection), 1.0f)));
2026
2027         edit_items.push_back (MenuElem (_("Edit"), *cutnpaste_menu));
2028
2029         /* Adding new material */
2030
2031         edit_items.push_back (SeparatorElem());
2032         edit_items.push_back (MenuElem (_("Insert Selected Region"), bind (mem_fun(*this, &Editor::insert_region_list_selection), 1.0f)));
2033         edit_items.push_back (MenuElem (_("Insert Existing Media"), bind (mem_fun(*this, &Editor::add_external_audio_action), ImportToTrack)));
2034
2035         /* Nudge track */
2036
2037         Menu *nudge_menu = manage (new Menu());
2038         MenuList& nudge_items = nudge_menu->items();
2039         nudge_menu->set_name ("ArdourContextMenu");
2040
2041         edit_items.push_back (SeparatorElem());
2042         nudge_items.push_back (MenuElem (_("Nudge entire track fwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, true))));
2043         nudge_items.push_back (MenuElem (_("Nudge track after edit point fwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, true))));
2044         nudge_items.push_back (MenuElem (_("Nudge entire track bwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, false))));
2045         nudge_items.push_back (MenuElem (_("Nudge track after edit point bwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, false))));
2046
2047         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
2048 }
2049
2050 void
2051 Editor::add_bus_context_items (Menu_Helpers::MenuList& edit_items)
2052 {
2053         using namespace Menu_Helpers;
2054
2055         /* Playback */
2056
2057         Menu *play_menu = manage (new Menu);
2058         MenuList& play_items = play_menu->items();
2059         play_menu->set_name ("ArdourContextMenu");
2060
2061         play_items.push_back (MenuElem (_("Play from edit point"), mem_fun(*this, &Editor::play_from_edit_point)));
2062         play_items.push_back (MenuElem (_("Play from start"), mem_fun(*this, &Editor::play_from_start)));
2063         edit_items.push_back (MenuElem (_("Play"), *play_menu));
2064
2065         /* Selection */
2066
2067         Menu *select_menu = manage (new Menu);
2068         MenuList& select_items = select_menu->items();
2069         select_menu->set_name ("ArdourContextMenu");
2070
2071         select_items.push_back (MenuElem (_("Select All in track"), bind (mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
2072         select_items.push_back (MenuElem (_("Select All"), bind (mem_fun(*this, &Editor::select_all), Selection::Set)));
2073         select_items.push_back (MenuElem (_("Invert selection in track"), mem_fun(*this, &Editor::invert_selection_in_track)));
2074         select_items.push_back (MenuElem (_("Invert selection"), mem_fun(*this, &Editor::invert_selection)));
2075         select_items.push_back (SeparatorElem());
2076         select_items.push_back (MenuElem (_("Select all after edit point"), bind (mem_fun(*this, &Editor::select_all_selectables_using_edit), true)));
2077         select_items.push_back (MenuElem (_("Select all before edit point"), bind (mem_fun(*this, &Editor::select_all_selectables_using_edit), false)));
2078         select_items.push_back (MenuElem (_("Select all after playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
2079         select_items.push_back (MenuElem (_("Select all before playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
2080
2081         edit_items.push_back (MenuElem (_("Select"), *select_menu));
2082
2083         /* Cut-n-Paste */
2084
2085         Menu *cutnpaste_menu = manage (new Menu);
2086         MenuList& cutnpaste_items = cutnpaste_menu->items();
2087         cutnpaste_menu->set_name ("ArdourContextMenu");
2088
2089         cutnpaste_items.push_back (MenuElem (_("Cut"), mem_fun(*this, &Editor::cut)));
2090         cutnpaste_items.push_back (MenuElem (_("Copy"), mem_fun(*this, &Editor::copy)));
2091         cutnpaste_items.push_back (MenuElem (_("Paste"), bind (mem_fun(*this, &Editor::paste), 1.0f)));
2092
2093         Menu *nudge_menu = manage (new Menu());
2094         MenuList& nudge_items = nudge_menu->items();
2095         nudge_menu->set_name ("ArdourContextMenu");
2096
2097         edit_items.push_back (SeparatorElem());
2098         nudge_items.push_back (MenuElem (_("Nudge entire track fwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, true))));
2099         nudge_items.push_back (MenuElem (_("Nudge track after edit point fwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, true))));
2100         nudge_items.push_back (MenuElem (_("Nudge entire track bwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, false))));
2101         nudge_items.push_back (MenuElem (_("Nudge track after edit point bwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, false))));
2102
2103         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
2104 }
2105
2106 void
2107 Editor::set_snap_to (SnapType st)
2108 {
2109         unsigned int snap_ind = (unsigned int)st;
2110
2111         snap_type = st;
2112
2113         if (snap_ind > snap_type_strings.size() - 1) {
2114                 snap_ind = 0;
2115                 snap_type = (SnapType)snap_ind;
2116         }
2117
2118         string str = snap_type_strings[snap_ind];
2119
2120         if (str != snap_type_selector.get_active_text()) {
2121                 snap_type_selector.set_active_text (str);
2122         }
2123
2124         instant_save ();
2125
2126         switch (snap_type) {
2127         case SnapToAThirtysecondBeat:
2128         case SnapToASixteenthBeat:
2129         case SnapToAEighthBeat:
2130         case SnapToAQuarterBeat:
2131         case SnapToAThirdBeat:
2132                 compute_bbt_ruler_scale (leftmost_frame, leftmost_frame + current_page_frames());
2133                 update_tempo_based_rulers ();
2134                 break;
2135
2136         case SnapToRegionStart:
2137         case SnapToRegionEnd:
2138         case SnapToRegionSync:
2139         case SnapToRegionBoundary:
2140                 build_region_boundary_cache ();
2141                 break;
2142
2143         default:
2144                 /* relax */
2145                 break;
2146     }
2147 }
2148
2149 void
2150 Editor::set_snap_mode (SnapMode mode)
2151 {
2152         snap_mode = mode;
2153         string str = snap_mode_strings[(int)mode];
2154
2155         if (str != snap_mode_selector.get_active_text ()) {
2156                 snap_mode_selector.set_active_text (str);
2157         }
2158
2159         instant_save ();
2160 }
2161 void
2162 Editor::set_edit_point_preference (EditPoint ep, bool force)
2163 {
2164         bool changed = (_edit_point != ep);
2165
2166         _edit_point = ep;
2167         string str = edit_point_strings[(int)ep];
2168
2169         if (str != edit_point_selector.get_active_text ()) {
2170                 edit_point_selector.set_active_text (str);
2171         }
2172
2173         set_canvas_cursor ();
2174
2175         if (!force && !changed) {
2176                 return;
2177         }
2178
2179         switch (zoom_focus) {
2180         case ZoomFocusMouse:
2181         case ZoomFocusPlayhead:
2182         case ZoomFocusEdit:
2183                 switch (_edit_point) {
2184                 case EditAtMouse:
2185                         set_zoom_focus (ZoomFocusMouse);
2186                         break;
2187                 case EditAtPlayhead:
2188                         set_zoom_focus (ZoomFocusPlayhead);
2189                         break;
2190                 case EditAtSelectedMarker:
2191                         set_zoom_focus (ZoomFocusEdit);
2192                         break;
2193                 }
2194                 break;
2195         default:
2196                 break;
2197         }
2198
2199         const char* action=NULL;
2200
2201         switch (_edit_point) {
2202         case EditAtPlayhead:
2203                 action = "edit-at-playhead";
2204                 break;
2205         case EditAtSelectedMarker:
2206                 action = "edit-at-marker";
2207                 break;
2208         case EditAtMouse:
2209                 action = "edit-at-mouse";
2210                 break;
2211         }
2212
2213         Glib::RefPtr<Action> act = ActionManager::get_action ("Editor", action);
2214         if (act) {
2215                 Glib::RefPtr<RadioAction>::cast_dynamic(act)->set_active (true);
2216         }
2217
2218         nframes64_t foo;
2219         bool in_track_canvas;
2220
2221         if (!mouse_frame (foo, in_track_canvas)) {
2222                 in_track_canvas = false;
2223         }
2224
2225         reset_canvas_action_sensitivity (in_track_canvas);
2226
2227         instant_save ();
2228 }
2229
2230 int
2231 Editor::set_state (const XMLNode& node)
2232 {
2233         const XMLProperty* prop;
2234         XMLNode* geometry;
2235         int x, y, xoff, yoff;
2236         Gdk::Geometry g;
2237
2238         if ((prop = node.property ("id")) != 0) {
2239                 _id = prop->value ();
2240         }
2241
2242         g.base_width = default_width;
2243         g.base_height = default_height;
2244         x = 1;
2245         y = 1;
2246         xoff = 0;
2247         yoff = 21;
2248
2249         if ((geometry = find_named_node (node, "geometry")) != 0) {
2250
2251                 XMLProperty* prop;
2252
2253                 if ((prop = geometry->property("x_size")) == 0) {
2254                         prop = geometry->property ("x-size");
2255                 }
2256                 if (prop) {
2257                         g.base_width = atoi(prop->value());
2258                 }
2259                 if ((prop = geometry->property("y_size")) == 0) {
2260                         prop = geometry->property ("y-size");
2261                 }
2262                 if (prop) {
2263                         g.base_height = atoi(prop->value());
2264                 }
2265
2266                 if ((prop = geometry->property ("x_pos")) == 0) {
2267                         prop = geometry->property ("x-pos");
2268                 }
2269                 if (prop) {
2270                         x = atoi (prop->value());
2271
2272                 }
2273                 if ((prop = geometry->property ("y_pos")) == 0) {
2274                         prop = geometry->property ("y-pos");
2275                 }
2276                 if (prop) {
2277                         y = atoi (prop->value());
2278                 }
2279
2280                 if ((prop = geometry->property ("x_off")) == 0) {
2281                         prop = geometry->property ("x-off");
2282                 }
2283                 if (prop) {
2284                         xoff = atoi (prop->value());
2285                 }
2286                 if ((prop = geometry->property ("y_off")) == 0) {
2287                         prop = geometry->property ("y-off");
2288                 }
2289                 if (prop) {
2290                         yoff = atoi (prop->value());
2291                 }
2292         }
2293
2294         set_default_size (g.base_width, g.base_height);
2295         move (x, y);
2296
2297         if (session && (prop = node.property ("playhead"))) {
2298                 nframes64_t pos = atol (prop->value().c_str());
2299                 playhead_cursor->set_position (pos);
2300         } else {
2301                 playhead_cursor->set_position (0);
2302
2303                 /* reset_x_origin() doesn't work right here, since the old
2304                    position may be zero already, and it does nothing in such
2305                    circumstances.
2306                 */
2307
2308                 leftmost_frame = 0;
2309                 horizontal_adjustment.set_value (0);
2310         }
2311
2312         if ((prop = node.property ("mixer-width"))) {
2313                 editor_mixer_strip_width = Width (string_2_enum (prop->value(), editor_mixer_strip_width));
2314         }
2315
2316         if ((prop = node.property ("zoom-focus"))) {
2317                 set_zoom_focus ((ZoomFocus) atoi (prop->value()));
2318         }
2319
2320         if ((prop = node.property ("zoom"))) {
2321                 reset_zoom (PBD::atof (prop->value()));
2322         }
2323
2324         if ((prop = node.property ("snap-to"))) {
2325                 set_snap_to ((SnapType) atoi (prop->value()));
2326         }
2327
2328         if ((prop = node.property ("snap-mode"))) {
2329                 set_snap_mode ((SnapMode) atoi (prop->value()));
2330         }
2331
2332         if ((prop = node.property ("mouse-mode"))) {
2333                 MouseMode m = str2mousemode(prop->value());
2334                 mouse_mode = MouseMode ((int) m + 1); /* lie, force mode switch */
2335                 set_mouse_mode (m, true);
2336         } else {
2337                 mouse_mode = MouseGain; /* lie, to force the mode switch */
2338                 set_mouse_mode (MouseObject, true);
2339         }
2340
2341         if ((prop = node.property ("edit-point"))) {
2342                 set_edit_point_preference ((EditPoint) string_2_enum (prop->value(), _edit_point), true);
2343         }
2344
2345         if ((prop = node.property ("show-waveforms-recording"))) {
2346                 bool yn = (prop->value() == "yes");
2347                 _show_waveforms_recording = !yn;
2348                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleWaveformsWhileRecording"));
2349                 if (act) {
2350                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2351                         /* do it twice to force the change */
2352                         tact->set_active (!yn);
2353                         tact->set_active (yn);
2354                 }
2355         }
2356
2357         if ((prop = node.property ("show-measures"))) {
2358                 bool yn = (prop->value() == "yes");
2359                 _show_measures = !yn;
2360                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleMeasureVisibility"));
2361                 if (act) {
2362                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2363                         /* do it twice to force the change */
2364                         tact->set_active (!yn);
2365                         tact->set_active (yn);
2366                 }
2367         }
2368
2369         if ((prop = node.property ("follow-playhead"))) {
2370                 bool yn = (prop->value() == "yes");
2371                 set_follow_playhead (yn);
2372                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
2373                 if (act) {
2374                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2375                         if (tact->get_active() != yn) {
2376                                 tact->set_active (yn);
2377                         }
2378                 }
2379         }
2380
2381         if ((prop = node.property ("region-list-sort-type"))) {
2382                 _regions->reset_sort_type (str2regionlistsorttype(prop->value()), true);
2383         }
2384
2385         if ((prop = node.property ("xfades-visible"))) {
2386                 bool yn = (prop->value() == "yes");
2387                 _xfade_visibility = !yn;
2388                 // set_xfade_visibility (yn);
2389         }
2390
2391         if ((prop = node.property ("show-editor-mixer"))) {
2392
2393                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2394                 if (act) {
2395
2396                         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2397                         bool yn = (prop->value() == X_("yes"));
2398
2399                         /* do it twice to force the change */
2400
2401                         tact->set_active (!yn);
2402                         tact->set_active (yn);
2403                 }
2404         }
2405
2406         if ((prop = node.property ("show-editor-list"))) {
2407
2408                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-list"));
2409                 assert(act);
2410                 if (act) {
2411
2412                         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2413                         bool yn = (prop->value() == X_("yes"));
2414
2415                         /* do it twice to force the change */
2416
2417                         tact->set_active (!yn);
2418                         tact->set_active (yn);
2419                 }
2420         }
2421
2422
2423         return 0;
2424 }
2425
2426 XMLNode&
2427 Editor::get_state ()
2428 {
2429         XMLNode* node = new XMLNode ("Editor");
2430         char buf[32];
2431
2432         _id.print (buf, sizeof (buf));
2433         node->add_property ("id", buf);
2434
2435         if (is_realized()) {
2436                 Glib::RefPtr<Gdk::Window> win = get_window();
2437
2438                 int x, y, xoff, yoff, width, height;
2439                 win->get_root_origin(x, y);
2440                 win->get_position(xoff, yoff);
2441                 win->get_size(width, height);
2442
2443                 XMLNode* geometry = new XMLNode ("geometry");
2444
2445                 snprintf(buf, sizeof(buf), "%d", width);
2446                 geometry->add_property("x-size", string(buf));
2447                 snprintf(buf, sizeof(buf), "%d", height);
2448                 geometry->add_property("y-size", string(buf));
2449                 snprintf(buf, sizeof(buf), "%d", x);
2450                 geometry->add_property("x-pos", string(buf));
2451                 snprintf(buf, sizeof(buf), "%d", y);
2452                 geometry->add_property("y-pos", string(buf));
2453                 snprintf(buf, sizeof(buf), "%d", xoff);
2454                 geometry->add_property("x-off", string(buf));
2455                 snprintf(buf, sizeof(buf), "%d", yoff);
2456                 geometry->add_property("y-off", string(buf));
2457                 snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (static_cast<Paned*>(&edit_pane)->gobj()));
2458                 geometry->add_property("edit_pane_pos", string(buf));
2459
2460                 node->add_child_nocopy (*geometry);
2461         }
2462
2463         maybe_add_mixer_strip_width (*node);
2464
2465         snprintf (buf, sizeof(buf), "%d", (int) zoom_focus);
2466         node->add_property ("zoom-focus", buf);
2467         snprintf (buf, sizeof(buf), "%f", frames_per_unit);
2468         node->add_property ("zoom", buf);
2469         snprintf (buf, sizeof(buf), "%d", (int) snap_type);
2470         node->add_property ("snap-to", buf);
2471         snprintf (buf, sizeof(buf), "%d", (int) snap_mode);
2472         node->add_property ("snap-mode", buf);
2473
2474         node->add_property ("edit-point", enum_2_string (_edit_point));
2475
2476         snprintf (buf, sizeof (buf), "%" PRIi64, playhead_cursor->current_frame);
2477         node->add_property ("playhead", buf);
2478
2479         node->add_property ("show-waveforms-recording", _show_waveforms_recording ? "yes" : "no");
2480         node->add_property ("show-measures", _show_measures ? "yes" : "no");
2481         node->add_property ("follow-playhead", _follow_playhead ? "yes" : "no");
2482         node->add_property ("xfades-visible", _xfade_visibility ? "yes" : "no");
2483         node->add_property ("region-list-sort-type", enum2str (_regions->sort_type ()));
2484         node->add_property ("mouse-mode", enum2str(mouse_mode));
2485
2486         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2487         if (act) {
2488                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2489                 node->add_property (X_("show-editor-mixer"), tact->get_active() ? "yes" : "no");
2490         }
2491
2492         act = ActionManager::get_action (X_("Editor"), X_("show-editor-list"));
2493         if (act) {
2494                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2495                 node->add_property (X_("show-editor-list"), tact->get_active() ? "yes" : "no");
2496         }
2497
2498         return *node;
2499 }
2500
2501
2502
2503 /** @param y y offset from the top of all trackviews.
2504  *  @return pair: TimeAxisView that y is over, layer index.
2505  *  TimeAxisView may be 0.  Layer index is the layer number if the TimeAxisView is valid and is
2506  *  in stacked region display mode, otherwise 0.
2507  */
2508 std::pair<TimeAxisView *, layer_t>
2509 Editor::trackview_by_y_position (double y)
2510 {
2511         for (TrackViewList::iterator iter = track_views.begin(); iter != track_views.end(); ++iter) {
2512
2513                 std::pair<TimeAxisView*, int> const r = (*iter)->covers_y_position (y);
2514                 if (r.first) {
2515                         return r;
2516                 }
2517         }
2518
2519         return std::make_pair ( (TimeAxisView *) 0, 0);
2520 }
2521
2522 /** Snap a position to the grid, if appropriate, taking into account current
2523  *  grid settings and also the state of any snap modifier keys that may be pressed.
2524  *  @param start Position to snap.
2525  *  @param event Event to get current key modifier information from.
2526  */
2527 void
2528 Editor::snap_to_with_modifier (nframes64_t& start, GdkEvent const * event, int32_t direction, bool for_mark)
2529 {
2530         if (!session) {
2531                 return;
2532         }
2533
2534         if (Keyboard::modifier_state_contains (event->button.state, Keyboard::snap_modifier())) {
2535                 if (snap_mode == SnapOff) {
2536                         snap_to_internal (start, direction, for_mark);
2537                 }
2538         } else {
2539                 if (snap_mode != SnapOff) {
2540                         snap_to_internal (start, direction, for_mark);
2541                 }
2542         }
2543 }
2544
2545 void
2546 Editor::snap_to (nframes64_t& start, int32_t direction, bool for_mark)
2547 {
2548         if (!session || snap_mode == SnapOff) {
2549                 return;
2550         }
2551
2552         snap_to_internal (start, direction, for_mark);
2553 }
2554
2555 void
2556 Editor::snap_to_internal (nframes64_t& start, int32_t direction, bool for_mark)
2557 {
2558         Location* before = 0;
2559         Location* after = 0;
2560
2561         const nframes64_t one_second = session->frame_rate();
2562         const nframes64_t one_minute = session->frame_rate() * 60;
2563         const nframes64_t one_smpte_second = (nframes64_t)(rint(session->smpte_frames_per_second()) * session->frames_per_smpte_frame());
2564         nframes64_t one_smpte_minute = (nframes64_t)(rint(session->smpte_frames_per_second()) * session->frames_per_smpte_frame() * 60);
2565         nframes64_t presnap = start;
2566
2567         switch (snap_type) {
2568         case SnapToCDFrame:
2569                 if (((direction == 0) && (start % (one_second/75) > (one_second/75) / 2)) || (direction > 0)) {
2570                         start = (nframes64_t) ceil ((double) start / (one_second / 75)) * (one_second / 75);
2571                 } else {
2572                         start = (nframes64_t) floor ((double) start / (one_second / 75)) * (one_second / 75);
2573                 }
2574                 break;
2575
2576         case SnapToSMPTEFrame:
2577                 if (((direction == 0) && (fmod((double)start, (double)session->frames_per_smpte_frame()) > (session->frames_per_smpte_frame() / 2))) || (direction > 0)) {
2578                         start = (nframes64_t) (ceil ((double) start / session->frames_per_smpte_frame()) * session->frames_per_smpte_frame());
2579                 } else {
2580                         start = (nframes64_t) (floor ((double) start / session->frames_per_smpte_frame()) *  session->frames_per_smpte_frame());
2581                 }
2582                 break;
2583
2584         case SnapToSMPTESeconds:
2585                 if (session->smpte_offset_negative())
2586                 {
2587                         start += session->smpte_offset ();
2588                 } else {
2589                         start -= session->smpte_offset ();
2590                 }
2591                 if (((direction == 0) && (start % one_smpte_second > one_smpte_second / 2)) || direction > 0) {
2592                         start = (nframes64_t) ceil ((double) start / one_smpte_second) * one_smpte_second;
2593                 } else {
2594                         start = (nframes64_t) floor ((double) start / one_smpte_second) * one_smpte_second;
2595                 }
2596
2597                 if (session->smpte_offset_negative())
2598                 {
2599                         start -= session->smpte_offset ();
2600                 } else {
2601                         start += session->smpte_offset ();
2602                 }
2603                 break;
2604
2605         case SnapToSMPTEMinutes:
2606                 if (session->smpte_offset_negative())
2607                 {
2608                         start += session->smpte_offset ();
2609                 } else {
2610                         start -= session->smpte_offset ();
2611                 }
2612                 if (((direction == 0) && (start % one_smpte_minute > one_smpte_minute / 2)) || direction > 0) {
2613                         start = (nframes64_t) ceil ((double) start / one_smpte_minute) * one_smpte_minute;
2614                 } else {
2615                         start = (nframes64_t) floor ((double) start / one_smpte_minute) * one_smpte_minute;
2616                 }
2617                 if (session->smpte_offset_negative())
2618                 {
2619                         start -= session->smpte_offset ();
2620                 } else {
2621                         start += session->smpte_offset ();
2622                 }
2623                 break;
2624
2625         case SnapToSeconds:
2626                 if (((direction == 0) && (start % one_second > one_second / 2)) || (direction > 0)) {
2627                         start = (nframes64_t) ceil ((double) start / one_second) * one_second;
2628                 } else {
2629                         start = (nframes64_t) floor ((double) start / one_second) * one_second;
2630                 }
2631                 break;
2632
2633         case SnapToMinutes:
2634                 if (((direction == 0) && (start % one_minute > one_minute / 2)) || (direction > 0)) {
2635                         start = (nframes64_t) ceil ((double) start / one_minute) * one_minute;
2636                 } else {
2637                         start = (nframes64_t) floor ((double) start / one_minute) * one_minute;
2638                 }
2639                 break;
2640
2641         case SnapToBar:
2642                 start = session->tempo_map().round_to_bar (start, direction);
2643                 break;
2644
2645         case SnapToBeat:
2646                 start = session->tempo_map().round_to_beat (start, direction);
2647                 break;
2648
2649         case SnapToAThirtysecondBeat:
2650                 start = session->tempo_map().round_to_beat_subdivision (start, 32, direction);
2651                 break;
2652
2653         case SnapToASixteenthBeat:
2654                 start = session->tempo_map().round_to_beat_subdivision (start, 16, direction);
2655                 break;
2656
2657         case SnapToAEighthBeat:
2658                 start = session->tempo_map().round_to_beat_subdivision (start, 8, direction);
2659                 break;
2660
2661         case SnapToAQuarterBeat:
2662                 start = session->tempo_map().round_to_beat_subdivision (start, 4, direction);
2663                 break;
2664
2665         case SnapToAThirdBeat:
2666                 start = session->tempo_map().round_to_beat_subdivision (start, 3, direction);
2667                 break;
2668
2669         case SnapToMark:
2670                 if (for_mark) {
2671                         return;
2672                 }
2673
2674                 before = session->locations()->first_location_before (start);
2675                 after = session->locations()->first_location_after (start);
2676
2677                 if (direction < 0) {
2678                         if (before) {
2679                                 start = before->start();
2680                         } else {
2681                                 start = 0;
2682                         }
2683                 } else if (direction > 0) {
2684                         if (after) {
2685                                 start = after->start();
2686                         } else {
2687                                 start = session->current_end_frame();
2688                         }
2689                 } else {
2690                         if (before) {
2691                                 if (after) {
2692                                         /* find nearest of the two */
2693                                         if ((start - before->start()) < (after->start() - start)) {
2694                                                 start = before->start();
2695                                         } else {
2696                                                 start = after->start();
2697                                         }
2698                                 } else {
2699                                         start = before->start();
2700                                 }
2701                         } else if (after) {
2702                                 start = after->start();
2703                         } else {
2704                                 /* relax */
2705                         }
2706                 }
2707                 break;
2708
2709         case SnapToRegionStart:
2710         case SnapToRegionEnd:
2711         case SnapToRegionSync:
2712         case SnapToRegionBoundary:
2713                 if (!region_boundary_cache.empty()) {
2714
2715                         vector<nframes64_t>::iterator prev = region_boundary_cache.end ();
2716                         vector<nframes64_t>::iterator next = region_boundary_cache.end ();
2717
2718                         if (direction > 0) {
2719                                 next = std::upper_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2720                         } else {
2721                                 next = std::lower_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2722                         }
2723
2724                         if (next != region_boundary_cache.begin ()) {
2725                                 prev = next;
2726                                 prev--;
2727                         }
2728
2729                         nframes64_t const p = (prev == region_boundary_cache.end()) ? region_boundary_cache.front () : *prev;
2730                         nframes64_t const n = (next == region_boundary_cache.end()) ? region_boundary_cache.back () : *next;
2731
2732                         if (start > (p + n) / 2) {
2733                                 start = n;
2734                         } else {
2735                                 start = p;
2736                         }
2737                 }
2738                 break;
2739         }
2740
2741         switch (snap_mode) {
2742         case SnapNormal:
2743                 return;
2744
2745         case SnapMagnetic:
2746
2747                 if (presnap > start) {
2748                         if (presnap > (start + unit_to_frame(snap_threshold))) {
2749                                 start = presnap;
2750                         }
2751
2752                 } else if (presnap < start) {
2753                         if (presnap < (start - unit_to_frame(snap_threshold))) {
2754                                 start = presnap;
2755                         }
2756                 }
2757
2758         default:
2759                 /* handled at entry */
2760                 return;
2761
2762         }
2763 }
2764
2765
2766 void
2767 Editor::setup_toolbar ()
2768 {
2769         string pixmap_path;
2770
2771         /* Mode Buttons (tool selection) */
2772
2773         mouse_move_button.set_relief(Gtk::RELIEF_NONE);
2774         mouse_select_button.set_relief(Gtk::RELIEF_NONE);
2775         mouse_gain_button.set_relief(Gtk::RELIEF_NONE);
2776         mouse_zoom_button.set_relief(Gtk::RELIEF_NONE);
2777         mouse_timefx_button.set_relief(Gtk::RELIEF_NONE);
2778         mouse_audition_button.set_relief(Gtk::RELIEF_NONE);
2779         // internal_edit_button.set_relief(Gtk::RELIEF_NONE);
2780
2781         HBox* mode_box = manage(new HBox);
2782         mode_box->set_border_width (2);
2783         mode_box->set_spacing(4);
2784         mouse_mode_button_box.set_spacing(1);
2785         mouse_mode_button_box.pack_start(mouse_move_button, true, true);
2786         if (!Profile->get_sae()) {
2787                 mouse_mode_button_box.pack_start(mouse_select_button, true, true);
2788         }
2789         mouse_mode_button_box.pack_start(mouse_zoom_button, true, true);
2790         if (!Profile->get_sae()) {
2791                 mouse_mode_button_box.pack_start(mouse_gain_button, true, true);
2792         }
2793         mouse_mode_button_box.pack_start(mouse_timefx_button, true, true);
2794         mouse_mode_button_box.pack_start(mouse_audition_button, true, true);
2795         mouse_mode_button_box.pack_start(internal_edit_button, true, true);
2796         mouse_mode_button_box.set_homogeneous(true);
2797
2798         vector<string> edit_mode_strings;
2799         edit_mode_strings.push_back (edit_mode_to_string (Slide));
2800         if (!Profile->get_sae()) {
2801                 edit_mode_strings.push_back (edit_mode_to_string (Splice));
2802         }
2803         edit_mode_strings.push_back (edit_mode_to_string (Lock));
2804
2805         edit_mode_selector.set_name ("EditModeSelector");
2806         set_popdown_strings (edit_mode_selector, edit_mode_strings, true);
2807         edit_mode_selector.signal_changed().connect (mem_fun(*this, &Editor::edit_mode_selection_done));
2808
2809         mode_box->pack_start(edit_mode_selector);
2810         mode_box->pack_start(mouse_mode_button_box);
2811
2812         mouse_mode_tearoff = manage (new TearOff (*mode_box));
2813         mouse_mode_tearoff->set_name ("MouseModeBase");
2814         mouse_mode_tearoff->tearoff_window().signal_key_press_event().connect (bind (sigc::ptr_fun (relay_key_press), &mouse_mode_tearoff->tearoff_window()), false);
2815
2816         if (Profile->get_sae()) {
2817                 mouse_mode_tearoff->set_can_be_torn_off (false);
2818         }
2819
2820         mouse_mode_tearoff->Detach.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2821                                                   &mouse_mode_tearoff->tearoff_window()));
2822         mouse_mode_tearoff->Attach.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2823                                                   &mouse_mode_tearoff->tearoff_window(), 1));
2824         mouse_mode_tearoff->Hidden.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2825                                                   &mouse_mode_tearoff->tearoff_window()));
2826         mouse_mode_tearoff->Visible.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2827                                                    &mouse_mode_tearoff->tearoff_window(), 1));
2828
2829         mouse_move_button.set_mode (false);
2830         mouse_select_button.set_mode (false);
2831         mouse_gain_button.set_mode (false);
2832         mouse_zoom_button.set_mode (false);
2833         mouse_timefx_button.set_mode (false);
2834         mouse_audition_button.set_mode (false);
2835
2836         mouse_move_button.set_name ("MouseModeButton");
2837         mouse_select_button.set_name ("MouseModeButton");
2838         mouse_gain_button.set_name ("MouseModeButton");
2839         mouse_zoom_button.set_name ("MouseModeButton");
2840         mouse_timefx_button.set_name ("MouseModeButton");
2841         mouse_audition_button.set_name ("MouseModeButton");
2842
2843         internal_edit_button.set_name ("MouseModeButton");
2844
2845         mouse_move_button.unset_flags (CAN_FOCUS);
2846         mouse_select_button.unset_flags (CAN_FOCUS);
2847         mouse_gain_button.unset_flags (CAN_FOCUS);
2848         mouse_zoom_button.unset_flags (CAN_FOCUS);
2849         mouse_timefx_button.unset_flags (CAN_FOCUS);
2850         mouse_audition_button.unset_flags (CAN_FOCUS);
2851         internal_edit_button.unset_flags (CAN_FOCUS);
2852
2853         /* Zoom */
2854
2855         zoom_box.set_spacing (1);
2856         zoom_box.set_border_width (0);
2857
2858         zoom_in_button.set_name ("EditorTimeButton");
2859         zoom_in_button.set_size_request(-1,16);
2860         zoom_in_button.add (*(manage (new Image (::get_icon("zoom_in")))));
2861         zoom_in_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::temporal_zoom_step), false));
2862         ARDOUR_UI::instance()->tooltips().set_tip (zoom_in_button, _("Zoom In"));
2863
2864         zoom_out_button.set_name ("EditorTimeButton");
2865         zoom_out_button.set_size_request(-1,16);
2866         zoom_out_button.add (*(manage (new Image (::get_icon("zoom_out")))));
2867         zoom_out_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::temporal_zoom_step), true));
2868         ARDOUR_UI::instance()->tooltips().set_tip (zoom_out_button, _("Zoom Out"));
2869
2870         zoom_out_full_button.set_name ("EditorTimeButton");
2871         zoom_out_full_button.set_size_request(-1,16);
2872         zoom_out_full_button.add (*(manage (new Image (::get_icon("zoom_full")))));
2873         zoom_out_full_button.signal_clicked().connect (mem_fun(*this, &Editor::temporal_zoom_session));
2874         ARDOUR_UI::instance()->tooltips().set_tip (zoom_out_full_button, _("Zoom to Session"));
2875
2876         zoom_focus_selector.set_name ("ZoomFocusSelector");
2877         set_popdown_strings (zoom_focus_selector, zoom_focus_strings, true);
2878         zoom_focus_selector.signal_changed().connect (mem_fun(*this, &Editor::zoom_focus_selection_done));
2879         ARDOUR_UI::instance()->tooltips().set_tip (zoom_focus_selector, _("Zoom focus"));
2880
2881         zoom_box.pack_start (zoom_out_button, false, false);
2882         zoom_box.pack_start (zoom_in_button, false, false);
2883         zoom_box.pack_start (zoom_out_full_button, false, false);
2884
2885         /* Track zoom buttons */
2886         tav_expand_button.set_name ("TrackHeightButton");
2887         tav_expand_button.set_size_request(-1,20);
2888         tav_expand_button.add (*(manage (new Image (::get_icon("tav_exp")))));
2889         tav_expand_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::tav_zoom_step), true));
2890         ARDOUR_UI::instance()->tooltips().set_tip (tav_expand_button, _("Expand Tracks"));
2891
2892         tav_shrink_button.set_name ("TrackHeightButton");
2893         tav_shrink_button.set_size_request(-1,20);
2894         tav_shrink_button.add (*(manage (new Image (::get_icon("tav_shrink")))));
2895         tav_shrink_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::tav_zoom_step), false));
2896         ARDOUR_UI::instance()->tooltips().set_tip (tav_shrink_button, _("Shrink Tracks"));
2897
2898         track_zoom_box.set_spacing (1);
2899         track_zoom_box.set_border_width (0);
2900
2901         track_zoom_box.pack_start (tav_shrink_button, false, false);
2902         track_zoom_box.pack_start (tav_expand_button, false, false);
2903
2904         HBox* zbc = manage (new HBox);
2905         zbc->pack_start (zoom_focus_selector, PACK_SHRINK);
2906         zoom_vbox.pack_start (*zbc, PACK_SHRINK);
2907         zoom_vbox.pack_start (zoom_box, PACK_SHRINK);
2908         zoom_vbox.pack_start (track_zoom_box, PACK_SHRINK);
2909
2910         snap_box.set_spacing (1);
2911         snap_box.set_border_width (2);
2912
2913         snap_type_selector.set_name ("SnapTypeSelector");
2914         set_popdown_strings (snap_type_selector, snap_type_strings, true);
2915         snap_type_selector.signal_changed().connect (mem_fun(*this, &Editor::snap_type_selection_done));
2916         ARDOUR_UI::instance()->tooltips().set_tip (snap_type_selector, _("Snap/Grid Units"));
2917
2918         snap_mode_selector.set_name ("SnapModeSelector");
2919         set_popdown_strings (snap_mode_selector, snap_mode_strings, true);
2920         snap_mode_selector.signal_changed().connect (mem_fun(*this, &Editor::snap_mode_selection_done));
2921         ARDOUR_UI::instance()->tooltips().set_tip (snap_mode_selector, _("Snap/Grid Mode"));
2922
2923         edit_point_selector.set_name ("EditPointSelector");
2924         set_popdown_strings (edit_point_selector, edit_point_strings, true);
2925         edit_point_selector.signal_changed().connect (mem_fun(*this, &Editor::edit_point_selection_done));
2926         ARDOUR_UI::instance()->tooltips().set_tip (edit_point_selector, _("Edit point"));
2927
2928         snap_box.pack_start (edit_point_clock, false, false);
2929         snap_box.pack_start (snap_mode_selector, false, false);
2930         snap_box.pack_start (snap_type_selector, false, false);
2931         snap_box.pack_start (edit_point_selector, false, false);
2932
2933         /* Nudge */
2934
2935         HBox *nudge_box = manage (new HBox);
2936         nudge_box->set_spacing(1);
2937         nudge_box->set_border_width (2);
2938
2939         nudge_forward_button.signal_button_release_event().connect (mem_fun(*this, &Editor::nudge_forward_release), false);
2940         nudge_backward_button.signal_button_release_event().connect (mem_fun(*this, &Editor::nudge_backward_release), false);
2941
2942         nudge_box->pack_start (nudge_backward_button, false, false);
2943         nudge_box->pack_start (nudge_forward_button, false, false);
2944         nudge_box->pack_start (nudge_clock, false, false);
2945
2946
2947         /* Pack everything in... */
2948
2949         HBox* hbox = manage (new HBox);
2950         hbox->set_spacing(10);
2951
2952         tools_tearoff = manage (new TearOff (*hbox));
2953         tools_tearoff->set_name ("MouseModeBase");
2954         tools_tearoff->tearoff_window().signal_key_press_event().connect (bind (sigc::ptr_fun (relay_key_press), &tools_tearoff->tearoff_window()), false);
2955
2956         if (Profile->get_sae()) {
2957                 tools_tearoff->set_can_be_torn_off (false);
2958         }
2959
2960         tools_tearoff->Detach.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2961                                              &tools_tearoff->tearoff_window()));
2962         tools_tearoff->Attach.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2963                                              &tools_tearoff->tearoff_window(), 0));
2964         tools_tearoff->Hidden.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2965                                              &tools_tearoff->tearoff_window()));
2966         tools_tearoff->Visible.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2967                                               &tools_tearoff->tearoff_window(), 0));
2968
2969         toolbar_hbox.set_spacing (10);
2970         toolbar_hbox.set_border_width (1);
2971
2972         toolbar_hbox.pack_start (*mouse_mode_tearoff, false, false);
2973         toolbar_hbox.pack_start (*tools_tearoff, false, false);
2974
2975         hbox->pack_start (snap_box, false, false);
2976         hbox->pack_start (*nudge_box, false, false);
2977         hbox->pack_start (panic_box, false, false);
2978
2979         hbox->show_all ();
2980
2981         toolbar_base.set_name ("ToolBarBase");
2982         toolbar_base.add (toolbar_hbox);
2983
2984         toolbar_frame.set_shadow_type (SHADOW_OUT);
2985         toolbar_frame.set_name ("BaseFrame");
2986         toolbar_frame.add (toolbar_base);
2987 }
2988
2989 void
2990 Editor::midi_panic_button_pressed ()
2991 {
2992         if (session) {
2993                 session->midi_panic();
2994         }
2995 }
2996
2997 void
2998 Editor::setup_midi_toolbar ()
2999 {
3000 #if 0
3001         midi_tool_pencil_button.add (*(manage (new Image (::get_icon("midi_tool_pencil")))));
3002         midi_tool_pencil_button.set_relief(Gtk::RELIEF_NONE);
3003         midi_tool_buttons.push_back (&midi_tool_pencil_button);
3004         midi_tool_select_button.add (*(manage (new Image (::get_icon("midi_tool_select")))));
3005         midi_tool_select_button.set_relief(Gtk::RELIEF_NONE);
3006         midi_tool_buttons.push_back (&midi_tool_select_button);
3007         midi_tool_resize_button.add (*(manage (new Image (::get_icon("strip_width")))));
3008         midi_tool_resize_button.set_relief(Gtk::RELIEF_NONE);
3009         midi_tool_buttons.push_back (&midi_tool_resize_button);
3010         midi_tool_erase_button.add (*(manage (new Image (::get_icon("midi_tool_erase")))));
3011         midi_tool_erase_button.set_relief(Gtk::RELIEF_NONE);
3012         midi_tool_buttons.push_back (&midi_tool_erase_button);
3013
3014         ARDOUR_UI::instance()->tooltips().set_tip (midi_tool_pencil_button, _("Add/Move/Stretch Notes"));
3015         ARDOUR_UI::instance()->tooltips().set_tip (midi_tool_select_button, _("Select/Move Notes"));
3016         ARDOUR_UI::instance()->tooltips().set_tip (midi_tool_resize_button, _("Resize Notes"));
3017         ARDOUR_UI::instance()->tooltips().set_tip (midi_tool_erase_button,  _("Erase Notes"));
3018 #endif
3019
3020         /* Midi sound notes */
3021         midi_sound_notes.add (*(manage (new Image (::get_icon("midi_sound_notes")))));
3022         midi_sound_notes.set_relief(Gtk::RELIEF_NONE);
3023         ARDOUR_UI::instance()->tooltips().set_tip (midi_sound_notes, _("Sound Notes"));
3024         midi_sound_notes.unset_flags (CAN_FOCUS);
3025
3026         /* Panic */
3027
3028         midi_panic_button.set_name("MidiPanicButton");
3029         midi_panic_button.signal_pressed().connect (mem_fun(this, &Editor::midi_panic_button_pressed));
3030
3031         panic_box.pack_start (midi_sound_notes , true, true);
3032         panic_box.pack_start (midi_panic_button, true, true);
3033 }
3034
3035 int
3036 Editor::convert_drop_to_paths (
3037                 vector<ustring>&                paths,
3038                 const RefPtr<Gdk::DragContext>& /*context*/,
3039                 gint                            /*x*/,
3040                 gint                            /*y*/,
3041                 const SelectionData&            data,
3042                 guint                           /*info*/,
3043                 guint                           /*time*/)
3044 {
3045         if (session == 0) {
3046                 return -1;
3047         }
3048
3049         vector<ustring> uris = data.get_uris();
3050
3051         if (uris.empty()) {
3052
3053                 /* This is seriously fucked up. Nautilus doesn't say that its URI lists
3054                    are actually URI lists. So do it by hand.
3055                 */
3056
3057                 if (data.get_target() != "text/plain") {
3058                         return -1;
3059                 }
3060
3061                 /* Parse the "uri-list" format that Nautilus provides,
3062                    where each pathname is delimited by \r\n.
3063
3064                    THERE MAY BE NO NULL TERMINATING CHAR!!!
3065                 */
3066
3067                 ustring txt = data.get_text();
3068                 const char* p;
3069                 const char* q;
3070
3071                 p = (const char *) malloc (txt.length() + 1);
3072                 txt.copy ((char *) p, txt.length(), 0);
3073                 ((char*)p)[txt.length()] = '\0';
3074
3075                 while (p)
3076                 {
3077                         if (*p != '#')
3078                         {
3079                                 while (g_ascii_isspace (*p))
3080                                         p++;
3081
3082                                 q = p;
3083                                 while (*q && (*q != '\n') && (*q != '\r')) {
3084                                         q++;
3085                                 }
3086
3087                                 if (q > p)
3088                                 {
3089                                         q--;
3090                                         while (q > p && g_ascii_isspace (*q))
3091                                                 q--;
3092
3093                                         if (q > p)
3094                                         {
3095                                                 uris.push_back (ustring (p, q - p + 1));
3096                                         }
3097                                 }
3098                         }
3099                         p = strchr (p, '\n');
3100                         if (p)
3101                                 p++;
3102                 }
3103
3104                 free ((void*)p);
3105
3106                 if (uris.empty()) {
3107                         return -1;
3108                 }
3109         }
3110
3111         for (vector<ustring>::iterator i = uris.begin(); i != uris.end(); ++i) {
3112
3113                 if ((*i).substr (0,7) == "file://") {
3114
3115                         ustring p = *i;
3116                         PBD::url_decode (p);
3117
3118                         // scan forward past three slashes
3119
3120                         ustring::size_type slashcnt = 0;
3121                         ustring::size_type n = 0;
3122                         ustring::iterator x = p.begin();
3123
3124                         while (slashcnt < 3 && x != p.end()) {
3125                                 if ((*x) == '/') {
3126                                         slashcnt++;
3127                                 } else if (slashcnt == 3) {
3128                                         break;
3129                                 }
3130                                 ++n;
3131                                 ++x;
3132                         }
3133
3134                         if (slashcnt != 3 || x == p.end()) {
3135                                 error << _("malformed URL passed to drag-n-drop code") << endmsg;
3136                                 continue;
3137                         }
3138
3139                         paths.push_back (p.substr (n - 1));
3140                 }
3141         }
3142
3143         return 0;
3144 }
3145
3146 void
3147 Editor::new_tempo_section ()
3148
3149 {
3150 }
3151
3152 void
3153 Editor::map_transport_state ()
3154 {
3155         ENSURE_GUI_THREAD (mem_fun(*this, &Editor::map_transport_state));
3156
3157         if (session->transport_stopped()) {
3158                 have_pending_keyboard_selection = false;
3159         }
3160
3161         update_loop_range_view (true);
3162 }
3163
3164 /* UNDO/REDO */
3165
3166 Editor::State::State (PublicEditor const * e)
3167 {
3168         selection = new Selection (e);
3169 }
3170
3171 Editor::State::~State ()
3172 {
3173         delete selection;
3174 }
3175
3176 void
3177 Editor::store_state (State& state) const
3178 {
3179         *state.selection = *selection;
3180 }
3181
3182 void
3183 Editor::restore_state (State *state)
3184 {
3185         if (*selection == *state->selection) {
3186                 return;
3187         }
3188
3189         *selection = *state->selection;
3190         time_selection_changed ();
3191         region_selection_changed ();
3192
3193         /* XXX other selection change handlers? */
3194 }
3195
3196 void
3197 Editor::begin_reversible_command (string name)
3198 {
3199         if (session) {
3200                 before = &get_state();
3201                 session->begin_reversible_command (name);
3202         }
3203 }
3204
3205 void
3206 Editor::commit_reversible_command ()
3207 {
3208         if (session) {
3209                 session->commit_reversible_command (new MementoCommand<Editor>(*this, before, &get_state()));
3210         }
3211 }
3212
3213 void
3214 Editor::set_route_group_solo (Route& route, bool yn)
3215 {
3216         RouteGroup *route_group;
3217
3218         if ((route_group = route.route_group()) != 0) {
3219                 route_group->apply (&Route::set_solo, yn, this);
3220         } else {
3221                 route.set_solo (yn, this);
3222         }
3223 }
3224
3225 void
3226 Editor::set_route_group_mute (Route& route, bool yn)
3227 {
3228         RouteGroup *route_group = 0;
3229
3230         if ((route_group == route.route_group()) != 0) {
3231                 route_group->apply (&Route::set_mute, yn, this);
3232         } else {
3233                 route.set_mute (yn, this);
3234         }
3235 }
3236
3237 void
3238 Editor::history_changed ()
3239 {
3240         string label;
3241
3242         if (undo_action && session) {
3243                 if (session->undo_depth() == 0) {
3244                         label = _("Undo");
3245                 } else {
3246                         label = string_compose(_("Undo (%1)"), session->next_undo());
3247                 }
3248                 undo_action->property_label() = label;
3249         }
3250
3251         if (redo_action && session) {
3252                 if (session->redo_depth() == 0) {
3253                         label = _("Redo");
3254                 } else {
3255                         label = string_compose(_("Redo (%1)"), session->next_redo());
3256                 }
3257                 redo_action->property_label() = label;
3258         }
3259 }
3260
3261 void
3262 Editor::duplicate_dialog (bool with_dialog)
3263 {
3264         float times = 1.0f;
3265
3266         if (mouse_mode == MouseRange) {
3267                 if (selection->time.length() == 0) {
3268                         return;
3269                 }
3270         }
3271
3272         RegionSelection rs;
3273         get_regions_for_action (rs);
3274
3275         if (mouse_mode != MouseRange) {
3276
3277                 if (rs.empty()) {
3278                         return;
3279                 }
3280         }
3281
3282         if (with_dialog) {
3283
3284                 ArdourDialog win ("Duplication Dialog");
3285                 Label  label (_("Number of Duplications:"));
3286                 Adjustment adjustment (1.0, 1.0, 1000000.0, 1.0, 5.0);
3287                 SpinButton spinner (adjustment, 0.0, 1);
3288                 HBox hbox;
3289
3290                 win.get_vbox()->set_spacing (12);
3291                 win.get_vbox()->pack_start (hbox);
3292                 hbox.set_border_width (6);
3293                 hbox.pack_start (label, PACK_EXPAND_PADDING, 12);
3294
3295                 /* dialogs have ::add_action_widget() but that puts the spinner in the wrong
3296                    place, visually. so do this by hand.
3297                 */
3298
3299                 hbox.pack_start (spinner, PACK_EXPAND_PADDING, 12);
3300                 spinner.signal_activate().connect (sigc::bind (mem_fun (win, &ArdourDialog::response), RESPONSE_ACCEPT));
3301                 spinner.grab_focus();
3302
3303                 hbox.show ();
3304                 label.show ();
3305                 spinner.show ();
3306
3307                 win.add_button (Stock::CANCEL, RESPONSE_CANCEL);
3308                 win.add_button (_("Duplicate"), RESPONSE_ACCEPT);
3309                 win.set_default_response (RESPONSE_ACCEPT);
3310
3311                 win.set_position (WIN_POS_MOUSE);
3312
3313                 spinner.grab_focus ();
3314
3315                 switch (win.run ()) {
3316                 case RESPONSE_ACCEPT:
3317                         break;
3318                 default:
3319                         return;
3320                 }
3321
3322                 times = adjustment.get_value();
3323         }
3324
3325         if (mouse_mode == MouseRange) {
3326                 duplicate_selection (times);
3327         } else {
3328                 duplicate_some_regions (rs, times);
3329         }
3330 }
3331
3332 void
3333 Editor::show_verbose_canvas_cursor ()
3334 {
3335         verbose_canvas_cursor->raise_to_top();
3336         verbose_canvas_cursor->show();
3337         verbose_cursor_visible = true;
3338 }
3339
3340 void
3341 Editor::hide_verbose_canvas_cursor ()
3342 {
3343         verbose_canvas_cursor->hide();
3344         verbose_cursor_visible = false;
3345 }
3346
3347 double
3348 Editor::clamp_verbose_cursor_x (double x)
3349 {
3350         if (x < 0) {
3351                 x = 0;
3352         } else {
3353                 x = min (_canvas_width - 200.0, x);
3354         }
3355         return x;
3356 }
3357
3358 double
3359 Editor::clamp_verbose_cursor_y (double y)
3360 {
3361         if (y < canvas_timebars_vsize) {
3362                 y = canvas_timebars_vsize;
3363         } else {
3364                 y = min (_canvas_height - 50, y);
3365         }
3366         return y;
3367 }
3368
3369 void
3370 Editor::show_verbose_canvas_cursor_with (const string & txt)
3371 {
3372         verbose_canvas_cursor->property_text() = txt.c_str();
3373
3374         int x, y;
3375         double wx, wy;
3376
3377         track_canvas->get_pointer (x, y);
3378         track_canvas->window_to_world (x, y, wx, wy);
3379
3380         /* move it away from the mouse pointer to avoid an
3381            infinite loop of enter/leave events.
3382         */
3383
3384         wx += 20;
3385         wy += 20;
3386
3387         /* don't get too close to the edge */
3388         verbose_canvas_cursor->property_x() = clamp_verbose_cursor_x (wx);
3389         verbose_canvas_cursor->property_y() = clamp_verbose_cursor_y (wy);
3390
3391         show_verbose_canvas_cursor ();
3392 }
3393
3394 void
3395 Editor::set_verbose_canvas_cursor (const string & txt, double x, double y)
3396 {
3397         verbose_canvas_cursor->property_text() = txt.c_str();
3398         /* don't get too close to the edge */
3399         verbose_canvas_cursor->property_x() = clamp_verbose_cursor_x (x);
3400         verbose_canvas_cursor->property_y() = clamp_verbose_cursor_y (y);
3401 }
3402
3403 void
3404 Editor::set_verbose_canvas_cursor_text (const string & txt)
3405 {
3406         verbose_canvas_cursor->property_text() = txt.c_str();
3407 }
3408
3409 void
3410 Editor::set_edit_mode (EditMode m)
3411 {
3412         Config->set_edit_mode (m);
3413 }
3414
3415 void
3416 Editor::cycle_edit_mode ()
3417 {
3418         switch (Config->get_edit_mode()) {
3419         case Slide:
3420                 if (Profile->get_sae()) {
3421                         Config->set_edit_mode (Lock);
3422                 } else {
3423                         Config->set_edit_mode (Splice);
3424                 }
3425                 break;
3426         case Splice:
3427                 Config->set_edit_mode (Lock);
3428                 break;
3429         case Lock:
3430                 Config->set_edit_mode (Slide);
3431                 break;
3432         }
3433 }
3434
3435 void
3436 Editor::edit_mode_selection_done ()
3437 {
3438         if (session == 0) {
3439                 return;
3440         }
3441
3442         string choice = edit_mode_selector.get_active_text();
3443         EditMode mode = Slide;
3444
3445         if (choice == _("Splice Edit")) {
3446                 mode = Splice;
3447         } else if (choice == _("Slide Edit")) {
3448                 mode = Slide;
3449         } else if (choice == _("Lock Edit")) {
3450                 mode = Lock;
3451         }
3452
3453         Config->set_edit_mode (mode);
3454 }
3455
3456 void
3457 Editor::snap_type_selection_done ()
3458 {
3459         string choice = snap_type_selector.get_active_text();
3460         SnapType snaptype = SnapToBeat;
3461
3462         if (choice == _("Beats/3")) {
3463                 snaptype = SnapToAThirdBeat;
3464         } else if (choice == _("Beats/4")) {
3465                 snaptype = SnapToAQuarterBeat;
3466         } else if (choice == _("Beats/8")) {
3467                 snaptype = SnapToAEighthBeat;
3468         } else if (choice == _("Beats/16")) {
3469                 snaptype = SnapToASixteenthBeat;
3470         } else if (choice == _("Beats/32")) {
3471                 snaptype = SnapToAThirtysecondBeat;
3472         } else if (choice == _("Beats")) {
3473                 snaptype = SnapToBeat;
3474         } else if (choice == _("Bars")) {
3475                 snaptype = SnapToBar;
3476         } else if (choice == _("Marks")) {
3477                 snaptype = SnapToMark;
3478         } else if (choice == _("Region starts")) {
3479                 snaptype = SnapToRegionStart;
3480         } else if (choice == _("Region ends")) {
3481                 snaptype = SnapToRegionEnd;
3482         } else if (choice == _("Region bounds")) {
3483                 snaptype = SnapToRegionBoundary;
3484         } else if (choice == _("Region syncs")) {
3485                 snaptype = SnapToRegionSync;
3486         } else if (choice == _("CD Frames")) {
3487                 snaptype = SnapToCDFrame;
3488         } else if (choice == _("SMPTE Frames")) {
3489                 snaptype = SnapToSMPTEFrame;
3490         } else if (choice == _("SMPTE Seconds")) {
3491                 snaptype = SnapToSMPTESeconds;
3492         } else if (choice == _("SMPTE Minutes")) {
3493                 snaptype = SnapToSMPTEMinutes;
3494         } else if (choice == _("Seconds")) {
3495                 snaptype = SnapToSeconds;
3496         } else if (choice == _("Minutes")) {
3497                 snaptype = SnapToMinutes;
3498         }
3499
3500         RefPtr<RadioAction> ract = snap_type_action (snaptype);
3501         if (ract) {
3502                 ract->set_active ();
3503         }
3504 }
3505
3506 void
3507 Editor::snap_mode_selection_done ()
3508 {
3509         string choice = snap_mode_selector.get_active_text();
3510         SnapMode mode = SnapNormal;
3511
3512         if (choice == _("No Grid")) {
3513                 mode = SnapOff;
3514         } else if (choice == _("Grid")) {
3515                 mode = SnapNormal;
3516         } else if (choice == _("Magnetic")) {
3517                 mode = SnapMagnetic;
3518         }
3519
3520         RefPtr<RadioAction> ract = snap_mode_action (mode);
3521
3522         if (ract) {
3523                 ract->set_active (true);
3524         }
3525 }
3526
3527 void
3528 Editor::cycle_edit_point (bool with_marker)
3529 {
3530         switch (_edit_point) {
3531         case EditAtMouse:
3532                 set_edit_point_preference (EditAtPlayhead);
3533                 break;
3534         case EditAtPlayhead:
3535                 if (with_marker) {
3536                         set_edit_point_preference (EditAtSelectedMarker);
3537                 } else {
3538                         set_edit_point_preference (EditAtMouse);
3539                 }
3540                 break;
3541         case EditAtSelectedMarker:
3542                 set_edit_point_preference (EditAtMouse);
3543                 break;
3544         }
3545 }
3546
3547 void
3548 Editor::edit_point_selection_done ()
3549 {
3550         string choice = edit_point_selector.get_active_text();
3551         EditPoint ep = EditAtSelectedMarker;
3552
3553         if (choice == _("Marker")) {
3554                 set_edit_point_preference (EditAtSelectedMarker);
3555         } else if (choice == _("Playhead")) {
3556                 set_edit_point_preference (EditAtPlayhead);
3557         } else {
3558                 set_edit_point_preference (EditAtMouse);
3559         }
3560
3561         RefPtr<RadioAction> ract = edit_point_action (ep);
3562
3563         if (ract) {
3564                 ract->set_active (true);
3565         }
3566 }
3567
3568 void
3569 Editor::zoom_focus_selection_done ()
3570 {
3571         string choice = zoom_focus_selector.get_active_text();
3572         ZoomFocus focus_type = ZoomFocusLeft;
3573
3574         if (choice == _("Left")) {
3575                 focus_type = ZoomFocusLeft;
3576         } else if (choice == _("Right")) {
3577                 focus_type = ZoomFocusRight;
3578         } else if (choice == _("Center")) {
3579                 focus_type = ZoomFocusCenter;
3580         } else if (choice == _("Play")) {
3581                 focus_type = ZoomFocusPlayhead;
3582         } else if (choice == _("Edit")) {
3583                 focus_type = ZoomFocusEdit;
3584         } else if (choice == _("Active Mark")) {
3585                 focus_type = ZoomFocusEdit;
3586         } else if (choice == _("Active Mark")) {
3587                 focus_type = ZoomFocusEdit;
3588         } else {
3589                 focus_type = ZoomFocusMouse;
3590         }
3591
3592         RefPtr<RadioAction> ract = zoom_focus_action (focus_type);
3593
3594         if (ract) {
3595                 ract->set_active ();
3596         }
3597 }
3598
3599 gint
3600 Editor::edit_controls_button_release (GdkEventButton* ev)
3601 {
3602         if (Keyboard::is_context_menu_event (ev)) {
3603                 ARDOUR_UI::instance()->add_route (this);
3604         }
3605         return TRUE;
3606 }
3607
3608 gint
3609 Editor::mouse_select_button_release (GdkEventButton* ev)
3610 {
3611         /* this handles just right-clicks */
3612
3613         if (ev->button != 3) {
3614                 return false;
3615         }
3616
3617         return true;
3618 }
3619
3620 Editor::TrackViewList *
3621 Editor::get_valid_views (TimeAxisView* track, RouteGroup* group)
3622 {
3623         TrackViewList::iterator i;
3624
3625         TrackViewList* v = new TrackViewList;
3626
3627         if (track == 0 && group == 0) {
3628
3629                 /* all views */
3630
3631                 for (i = track_views.begin(); i != track_views.end (); ++i) {
3632                         v->push_back (*i);
3633                 }
3634
3635         } else if ((track != 0 && group == 0) || (track != 0 && group != 0 && !group->active_property (RouteGroup::Select))) {
3636
3637                 /* just the view for this track
3638                  */
3639
3640                 v->push_back (track);
3641
3642         } else {
3643
3644                 /* views for all tracks in the route group */
3645
3646                 for (i = track_views.begin(); i != track_views.end (); ++i) {
3647
3648                         if (group == 0 || ((*i)->route_group() == group && group->active_property (RouteGroup::Select))) {
3649                                 v->push_back (*i);
3650                         }
3651                 }
3652         }
3653
3654         return v;
3655 }
3656
3657 void
3658 Editor::set_zoom_focus (ZoomFocus f)
3659 {
3660         string str = zoom_focus_strings[(int)f];
3661
3662         if (str != zoom_focus_selector.get_active_text()) {
3663                 zoom_focus_selector.set_active_text (str);
3664         }
3665
3666         if (zoom_focus != f) {
3667                 zoom_focus = f;
3668
3669                 ZoomFocusChanged (); /* EMIT_SIGNAL */
3670
3671                 instant_save ();
3672         }
3673 }
3674
3675 void
3676 Editor::ensure_float (Window& win)
3677 {
3678         win.set_transient_for (*this);
3679 }
3680
3681 void
3682 Editor::pane_allocation_handler (Allocation &alloc, Paned* which)
3683 {
3684         /* recover or initialize pane positions. do this here rather than earlier because
3685            we don't want the positions to change the child allocations, which they seem to do.
3686          */
3687
3688         int pos;
3689         XMLProperty* prop;
3690         char buf[32];
3691         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
3692         int width, height;
3693         static int32_t done;
3694         XMLNode* geometry;
3695
3696         width = default_width;
3697         height = default_height;
3698
3699         if ((geometry = find_named_node (*node, "geometry")) != 0) {
3700
3701                 if ((prop = geometry->property ("x_size")) == 0) {
3702                         prop = geometry->property ("x-size");
3703                 }
3704                 if (prop) {
3705                         width = atoi (prop->value());
3706                 }
3707                 if ((prop = geometry->property ("y_size")) == 0) {
3708                         prop = geometry->property ("y-size");
3709                 }
3710                 if (prop) {
3711                         height = atoi (prop->value());
3712                 }
3713         }
3714
3715         if (which == static_cast<Paned*> (&edit_pane)) {
3716
3717                 if (done) {
3718                         return;
3719                 }
3720
3721                 if (!geometry || (prop = geometry->property ("edit-pane-pos")) == 0) {
3722                         /* initial allocation is 90% to canvas, 10% to notebook */
3723                         pos = (int) floor (alloc.get_width() * 0.90f);
3724                         snprintf (buf, sizeof(buf), "%d", pos);
3725                 } else {
3726                         pos = atoi (prop->value());
3727                 }
3728
3729                 if ((done = GTK_WIDGET(edit_pane.gobj())->allocation.width > pos)) {
3730                         edit_pane.set_position (pos);
3731                         pre_maximal_pane_position = pos;
3732                 }
3733         }
3734 }
3735
3736 void
3737 Editor::detach_tearoff (Box* /*b*/, Window* /*w*/)
3738 {
3739         cerr << "remove tearoff\n";
3740
3741         if (tools_tearoff->torn_off() &&
3742             mouse_mode_tearoff->torn_off()) {
3743                 top_hbox.remove (toolbar_frame);
3744         }
3745 }
3746
3747 void
3748 Editor::reattach_tearoff (Box* /*b*/, Window* /*w*/, int32_t /*n*/)
3749 {
3750         cerr << "reattach tearoff\n";
3751         if (toolbar_frame.get_parent() == 0) {
3752                 top_hbox.pack_end (toolbar_frame);
3753         }
3754 }
3755
3756 void
3757 Editor::set_show_measures (bool yn)
3758 {
3759         if (_show_measures != yn) {
3760                 hide_measures ();
3761
3762                 if ((_show_measures = yn) == true) {
3763                         if (tempo_lines)
3764                                 tempo_lines->show();
3765                         draw_measures ();
3766                 }
3767                 instant_save ();
3768         }
3769 }
3770
3771 void
3772 Editor::toggle_follow_playhead ()
3773 {
3774         RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
3775         if (act) {
3776                 RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
3777                 set_follow_playhead (tact->get_active());
3778         }
3779 }
3780
3781 void
3782 Editor::set_follow_playhead (bool yn)
3783 {
3784         if (_follow_playhead != yn) {
3785                 if ((_follow_playhead = yn) == true) {
3786                         /* catch up */
3787                         update_current_screen ();
3788                 }
3789                 instant_save ();
3790         }
3791 }
3792
3793 void
3794 Editor::toggle_xfade_active (boost::weak_ptr<Crossfade> wxfade)
3795 {
3796         boost::shared_ptr<Crossfade> xfade (wxfade.lock());
3797         if (xfade) {
3798                 xfade->set_active (!xfade->active());
3799         }
3800 }
3801
3802 void
3803 Editor::toggle_xfade_length (boost::weak_ptr<Crossfade> wxfade)
3804 {
3805         boost::shared_ptr<Crossfade> xfade (wxfade.lock());
3806         if (xfade) {
3807                 xfade->set_follow_overlap (!xfade->following_overlap());
3808         }
3809 }
3810
3811 void
3812 Editor::edit_xfade (boost::weak_ptr<Crossfade> wxfade)
3813 {
3814         boost::shared_ptr<Crossfade> xfade (wxfade.lock());
3815
3816         if (!xfade) {
3817                 return;
3818         }
3819
3820         CrossfadeEditor cew (*session, xfade, xfade->fade_in().get_min_y(), 1.0);
3821
3822         ensure_float (cew);
3823
3824         switch (cew.run ()) {
3825         case RESPONSE_ACCEPT:
3826                 break;
3827         default:
3828                 return;
3829         }
3830
3831         cew.apply ();
3832         xfade->StateChanged (Change (~0));
3833 }
3834
3835 PlaylistSelector&
3836 Editor::playlist_selector () const
3837 {
3838         return *_playlist_selector;
3839 }
3840
3841 Evoral::MusicalTime
3842 Editor::get_grid_type_as_beats (bool& success, nframes64_t position)
3843 {
3844         success = true;
3845
3846         switch (snap_type) {
3847         case SnapToBeat:
3848                 return 1.0;
3849                 break;
3850
3851         case SnapToAThirtysecondBeat:
3852                 return 1.0/32.0;
3853                 break;
3854
3855         case SnapToASixteenthBeat:
3856                 return 1.0/16.0;
3857                 break;
3858
3859         case SnapToAEighthBeat:
3860                 return 1.0/8.0;
3861                 break;
3862
3863         case SnapToAQuarterBeat:
3864                 return 1.0/4.0;
3865                 break;
3866
3867         case SnapToAThirdBeat:
3868                 return 1.0/3.0;
3869                 break;
3870
3871         case SnapToBar:
3872                 if (session) {
3873                         return session->tempo_map().meter_at (position).beats_per_bar();
3874                 }
3875                 break;
3876
3877         case SnapToCDFrame:
3878         case SnapToSMPTEFrame:
3879         case SnapToSMPTESeconds:
3880         case SnapToSMPTEMinutes:
3881         case SnapToSeconds:
3882         case SnapToMinutes:
3883         case SnapToRegionStart:
3884         case SnapToRegionEnd:
3885         case SnapToRegionSync:
3886         case SnapToRegionBoundary:
3887         default:
3888                 success = false;
3889                 break;
3890         }
3891
3892         return 0.0;
3893 }
3894
3895 nframes64_t
3896 Editor::get_nudge_distance (nframes64_t pos, nframes64_t& next)
3897 {
3898         nframes64_t ret;
3899
3900         ret = nudge_clock.current_duration (pos);
3901         next = ret + 1; /* XXXX fix me */
3902
3903         return ret;
3904 }
3905
3906 void
3907 Editor::end_location_changed (Location* location)
3908 {
3909         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::end_location_changed), location));
3910         //reset_scrolling_region ();
3911         nframes64_t session_span = location->start() + (nframes64_t) floorf (current_page_frames() * 0.10f);
3912         horizontal_adjustment.set_upper (session_span / frames_per_unit);
3913 }
3914
3915 int
3916 Editor::playlist_deletion_dialog (boost::shared_ptr<Playlist> pl)
3917 {
3918         ArdourDialog dialog ("playlist deletion dialog");
3919         Label  label (string_compose (_("Playlist %1 is currently unused.\n"
3920                                         "If left alone, no audio files used by it will be cleaned.\n"
3921                                         "If deleted, audio files used by it alone by will cleaned."),
3922                                       pl->name()));
3923
3924         dialog.set_position (WIN_POS_CENTER);
3925         dialog.get_vbox()->pack_start (label);
3926
3927         label.show ();
3928
3929         dialog.add_button (_("Delete playlist"), RESPONSE_ACCEPT);
3930         dialog.add_button (_("Keep playlist"), RESPONSE_REJECT);
3931         dialog.add_button (_("Cancel"), RESPONSE_CANCEL);
3932
3933         switch (dialog.run ()) {
3934         case RESPONSE_ACCEPT:
3935                 /* delete the playlist */
3936                 return 0;
3937                 break;
3938
3939         case RESPONSE_REJECT:
3940                 /* keep the playlist */
3941                 return 1;
3942                 break;
3943
3944         default:
3945                 break;
3946         }
3947
3948         return -1;
3949 }
3950
3951 bool
3952 Editor::audio_region_selection_covers (nframes64_t where)
3953 {
3954         for (RegionSelection::iterator a = selection->regions.begin(); a != selection->regions.end(); ++a) {
3955                 if ((*a)->region()->covers (where)) {
3956                         return true;
3957                 }
3958         }
3959
3960         return false;
3961 }
3962
3963 void
3964 Editor::prepare_for_cleanup ()
3965 {
3966         cut_buffer->clear_regions ();
3967         cut_buffer->clear_playlists ();
3968
3969         selection->clear_regions ();
3970         selection->clear_playlists ();
3971
3972         _regions->suspend_redisplay ();
3973 }
3974
3975 void
3976 Editor::finish_cleanup ()
3977 {
3978         _regions->resume_redisplay ();
3979 }
3980
3981 Location*
3982 Editor::transport_loop_location()
3983 {
3984         if (session) {
3985                 return session->locations()->auto_loop_location();
3986         } else {
3987                 return 0;
3988         }
3989 }
3990
3991 Location*
3992 Editor::transport_punch_location()
3993 {
3994         if (session) {
3995                 return session->locations()->auto_punch_location();
3996         } else {
3997                 return 0;
3998         }
3999 }
4000
4001 bool
4002 Editor::control_layout_scroll (GdkEventScroll* ev)
4003 {
4004         switch (ev->direction) {
4005         case GDK_SCROLL_UP:
4006                 scroll_tracks_up_line ();
4007                 return true;
4008                 break;
4009
4010         case GDK_SCROLL_DOWN:
4011                 scroll_tracks_down_line ();
4012                 return true;
4013
4014         default:
4015                 /* no left/right handling yet */
4016                 break;
4017         }
4018
4019         return false;
4020 }
4021
4022 void
4023 Editor::session_state_saved (string snap_name)
4024 {
4025         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::session_state_saved), snap_name));
4026
4027         _snapshots->redisplay ();
4028 }
4029
4030 void
4031 Editor::maximise_editing_space ()
4032 {
4033         mouse_mode_tearoff->set_visible (false);
4034         tools_tearoff->set_visible (false);
4035
4036         pre_maximal_pane_position = edit_pane.get_position();
4037         pre_maximal_editor_width = this->get_width();
4038
4039         if(post_maximal_pane_position == 0) {
4040                 post_maximal_pane_position = edit_pane.get_width();
4041         }
4042
4043         fullscreen();
4044
4045         if(post_maximal_editor_width) {
4046                 edit_pane.set_position (post_maximal_pane_position -
4047                         abs(post_maximal_editor_width - pre_maximal_editor_width));
4048         } else {
4049                 edit_pane.set_position (post_maximal_pane_position);
4050         }
4051 }
4052
4053 void
4054 Editor::restore_editing_space ()
4055 {
4056         // user changed width of pane during fullscreen
4057
4058         if(post_maximal_pane_position != edit_pane.get_position()) {
4059                 post_maximal_pane_position = edit_pane.get_position();
4060         }
4061
4062         unfullscreen();
4063
4064         mouse_mode_tearoff->set_visible (true);
4065         tools_tearoff->set_visible (true);
4066         post_maximal_editor_width = this->get_width();
4067
4068         edit_pane.set_position (pre_maximal_pane_position + abs(this->get_width() - pre_maximal_editor_width));
4069 }
4070
4071 /**
4072  *  Make new playlists for a given track and also any others that belong
4073  *  to the same active route group with the `edit' property.
4074  *  @param v Track.
4075  */
4076
4077 void
4078 Editor::new_playlists (TimeAxisView* v)
4079 {
4080         begin_reversible_command (_("new playlists"));
4081         vector<boost::shared_ptr<ARDOUR::Playlist> > playlists;
4082         session->get_playlists(playlists);
4083         mapover_tracks (bind (mem_fun (*this, &Editor::mapped_use_new_playlist), playlists), v, RouteGroup::Edit);
4084         commit_reversible_command ();
4085 }
4086
4087 /**
4088  *  Use a copy of the current playlist for a given track and also any others that belong
4089  *  to the same active route group with the `edit' property.
4090  *  @param v Track.
4091  */
4092
4093 void
4094 Editor::copy_playlists (TimeAxisView* v)
4095 {
4096         begin_reversible_command (_("copy playlists"));
4097         vector<boost::shared_ptr<ARDOUR::Playlist> > playlists;
4098         session->get_playlists(playlists);
4099         mapover_tracks (bind (mem_fun (*this, &Editor::mapped_use_copy_playlist), playlists), v, RouteGroup::Edit);
4100         commit_reversible_command ();
4101 }
4102
4103 /** Clear the current playlist for a given track and also any others that belong
4104  *  to the same active route group with the `edit' property.
4105  *  @param v Track.
4106  */
4107
4108 void
4109 Editor::clear_playlists (TimeAxisView* v)
4110 {
4111         begin_reversible_command (_("clear playlists"));
4112         vector<boost::shared_ptr<ARDOUR::Playlist> > playlists;
4113         session->get_playlists(playlists);
4114         mapover_tracks (mem_fun (*this, &Editor::mapped_clear_playlist), v, RouteGroup::Edit);
4115         commit_reversible_command ();
4116 }
4117
4118 void
4119 Editor::mapped_use_new_playlist (RouteTimeAxisView& atv, uint32_t sz, vector<boost::shared_ptr<ARDOUR::Playlist> > const & playlists)
4120 {
4121         atv.use_new_playlist (sz > 1 ? false : true, playlists);
4122 }
4123
4124 void
4125 Editor::mapped_use_copy_playlist (RouteTimeAxisView& atv, uint32_t sz, vector<boost::shared_ptr<ARDOUR::Playlist> > const & playlists)
4126 {
4127         atv.use_copy_playlist (sz > 1 ? false : true, playlists);
4128 }
4129
4130 void
4131 Editor::mapped_clear_playlist (RouteTimeAxisView& atv, uint32_t /*sz*/)
4132 {
4133         atv.clear_playlist ();
4134 }
4135
4136 bool
4137 Editor::on_key_press_event (GdkEventKey* ev)
4138 {
4139         return key_press_focus_accelerator_handler (*this, ev);
4140 }
4141
4142 bool
4143 Editor::on_key_release_event (GdkEventKey* ev)
4144 {
4145         return Gtk::Window::on_key_release_event (ev);
4146         // return key_press_focus_accelerator_handler (*this, ev);
4147 }
4148
4149 void
4150 Editor::reset_x_origin (nframes64_t frame)
4151 {
4152         //cerr << "resetting x origin" << endl;
4153         queue_visual_change (frame);
4154 }
4155
4156 void
4157 Editor::reset_y_origin (double y)
4158 {
4159         queue_visual_change_y (y);
4160 }
4161
4162 void
4163 Editor::reset_zoom (double fpu)
4164 {
4165         queue_visual_change (fpu);
4166 }
4167
4168 void
4169 Editor::reposition_and_zoom (nframes64_t frame, double fpu)
4170 {
4171         //cerr << "Editor::reposition_and_zoom () called ha v:l:u:ps:fpu = " << horizontal_adjustment.get_value() << ":" << horizontal_adjustment.get_lower() << ":" << horizontal_adjustment.get_upper() << ":" << horizontal_adjustment.get_page_size() << ":" << frames_per_unit << endl;//DEBUG
4172         reset_x_origin (frame);
4173         reset_zoom (fpu);
4174
4175         if (!no_save_visual) {
4176                 undo_visual_stack.push_back (current_visual_state(false));
4177         }
4178 }
4179
4180 Editor::VisualState*
4181 Editor::current_visual_state (bool with_tracks)
4182 {
4183         VisualState* vs = new VisualState;
4184         vs->y_position = vertical_adjustment.get_value();
4185         vs->frames_per_unit = frames_per_unit;
4186         vs->leftmost_frame = leftmost_frame;
4187         vs->zoom_focus = zoom_focus;
4188         vs->zoomed_to_region = zoomed_to_region;
4189
4190         if (with_tracks) {
4191                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
4192                         vs->track_states.push_back (TAVState ((*i), &(*i)->get_state()));
4193                 }
4194         }
4195
4196         return vs;
4197 }
4198
4199 void
4200 Editor::undo_visual_state ()
4201 {
4202         if (undo_visual_stack.empty()) {
4203                 return;
4204         }
4205
4206         VisualState* vs = undo_visual_stack.back();
4207         undo_visual_stack.pop_back();
4208         use_visual_state (*vs);
4209         redo_visual_stack.push_back (vs);
4210 }
4211
4212 void
4213 Editor::redo_visual_state ()
4214 {
4215         if (redo_visual_stack.empty()) {
4216                 return;
4217         }
4218
4219         VisualState* vs = redo_visual_stack.back();
4220         redo_visual_stack.pop_back();
4221         use_visual_state (*vs);
4222         undo_visual_stack.push_back (vs);
4223 }
4224
4225 void
4226 Editor::swap_visual_state ()
4227 {
4228         if (undo_visual_stack.empty()) {
4229                 redo_visual_state ();
4230         } else {
4231                 undo_visual_state ();
4232         }
4233 }
4234
4235 void
4236 Editor::use_visual_state (VisualState& vs)
4237 {
4238         no_save_visual = true;
4239
4240         _routes->suspend_redisplay ();
4241
4242         vertical_adjustment.set_value (vs.y_position);
4243
4244         set_zoom_focus (vs.zoom_focus);
4245         reposition_and_zoom (vs.leftmost_frame, vs.frames_per_unit);
4246         zoomed_to_region = vs.zoomed_to_region;
4247
4248         for (list<TAVState>::iterator i = vs.track_states.begin(); i != vs.track_states.end(); ++i) {
4249                 TrackViewList::iterator t;
4250
4251                 /* check if the track still exists - it could have been deleted */
4252
4253                 if ((t = find (track_views.begin(), track_views.end(), i->first)) != track_views.end()) {
4254                         (*t)->set_state (*(i->second));
4255                 }
4256         }
4257
4258
4259         if (!vs.track_states.empty()) {
4260                 _routes->update_visibility ();
4261         }
4262
4263         _routes->resume_redisplay ();
4264
4265         no_save_visual = false;
4266 }
4267
4268 void
4269 Editor::set_frames_per_unit (double fpu)
4270 {
4271         /* this is the core function that controls the zoom level of the canvas. it is called
4272            whenever one or more calls are made to reset_zoom(). it executes in an idle handler.
4273         */
4274
4275         if (fpu == frames_per_unit) {
4276                 return;
4277         }
4278
4279         if (fpu < 2.0) {
4280                 fpu = 2.0;
4281         }
4282
4283
4284         /* don't allow zooms that fit more than the maximum number
4285            of frames into an 800 pixel wide space.
4286         */
4287
4288         if (max_frames / fpu < 800.0) {
4289                 return;
4290         }
4291
4292         if (tempo_lines)
4293                 tempo_lines->tempo_map_changed();
4294
4295         frames_per_unit = fpu;
4296         post_zoom ();
4297 }
4298
4299 void
4300 Editor::post_zoom ()
4301 {
4302         nframes64_t cef = 0;
4303
4304         // convert fpu to frame count
4305
4306         nframes64_t frames = (nframes64_t) floor (frames_per_unit * _canvas_width);
4307
4308         if (frames_per_unit != zoom_range_clock.current_duration()) {
4309                 zoom_range_clock.set (frames);
4310         }
4311
4312         if (mouse_mode == MouseRange && selection->time.start () != selection->time.end_frame ()) {
4313                 if (!selection->tracks.empty()) {
4314                         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
4315                                 (*i)->reshow_selection (selection->time);
4316                         }
4317                 } else {
4318                         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
4319                                 (*i)->reshow_selection (selection->time);
4320                         }
4321                 }
4322         }
4323
4324         leftmost_frame = (nframes64_t) floor (horizontal_adjustment.get_value() * frames_per_unit);
4325
4326         ZoomChanged (); /* EMIT_SIGNAL */
4327
4328         reset_hscrollbar_stepping ();
4329
4330         if (session) {
4331                 cef = session->current_end_frame() + (current_page_frames() / 10);// Add a little extra so we can see the end marker
4332         }
4333         horizontal_adjustment.set_upper (cef / frames_per_unit);
4334
4335         //reset_scrolling_region ();
4336
4337         if (playhead_cursor) {
4338                 playhead_cursor->set_position (playhead_cursor->current_frame);
4339         }
4340
4341         refresh_location_display();
4342         _summary->set_overlays_dirty ();
4343
4344         instant_save ();
4345 }
4346
4347 void
4348 Editor::queue_visual_change (nframes64_t where)
4349 {
4350         pending_visual_change.add (VisualChange::TimeOrigin);
4351
4352         /* if we're moving beyond the end, make sure the upper limit of the horizontal adjustment
4353            can reach.
4354         */
4355
4356         if (where > session->current_end_frame()) {
4357                 horizontal_adjustment.set_upper ((where + current_page_frames()) / frames_per_unit);
4358         }
4359
4360         pending_visual_change.time_origin = where;
4361
4362         ensure_visual_change_idle_handler ();
4363 }
4364
4365 void
4366 Editor::queue_visual_change (double fpu)
4367 {
4368         pending_visual_change.add (VisualChange::ZoomLevel);
4369         pending_visual_change.frames_per_unit = fpu;
4370
4371         ensure_visual_change_idle_handler ();
4372
4373 }
4374
4375 void
4376 Editor::queue_visual_change_y (double y)
4377 {
4378         pending_visual_change.add (VisualChange::YOrigin);
4379         pending_visual_change.y_origin = y;
4380
4381         ensure_visual_change_idle_handler ();
4382 }
4383
4384 void
4385 Editor::ensure_visual_change_idle_handler ()
4386 {
4387         if (pending_visual_change.idle_handler_id < 0) {
4388                 pending_visual_change.idle_handler_id = g_idle_add (_idle_visual_changer, this);
4389         }
4390 }
4391
4392 int
4393 Editor::_idle_visual_changer (void* arg)
4394 {
4395         return static_cast<Editor*>(arg)->idle_visual_changer ();
4396 }
4397
4398 int
4399 Editor::idle_visual_changer ()
4400 {
4401         VisualChange::Type p = pending_visual_change.pending;
4402         pending_visual_change.pending = (VisualChange::Type) 0;
4403
4404 #ifdef FIX_THIS_FOR_V3
4405         double last_time_origin = horizontal_adjustment.get_value();
4406 #endif
4407
4408         if (p & VisualChange::ZoomLevel) {
4409                 set_frames_per_unit (pending_visual_change.frames_per_unit);
4410
4411                 compute_fixed_ruler_scale ();
4412                 compute_current_bbt_points(pending_visual_change.time_origin, pending_visual_change.time_origin + current_page_frames());
4413                 compute_bbt_ruler_scale (pending_visual_change.time_origin, pending_visual_change.time_origin + current_page_frames());
4414                 update_tempo_based_rulers ();
4415         }
4416         if (p & VisualChange::TimeOrigin) {
4417                 horizontal_adjustment.set_value (pending_visual_change.time_origin / frames_per_unit);
4418         }
4419         if (p & VisualChange::YOrigin) {
4420                 vertical_adjustment.set_value (pending_visual_change.y_origin);
4421         }
4422
4423         nframes64_t csf=0, cef=0;
4424         nframes64_t current_time_origin = (nframes64_t) floor (horizontal_adjustment.get_value() * frames_per_unit);
4425
4426         if (session) {
4427                 csf = session->current_start_frame();
4428                 cef = session->current_end_frame();
4429         }
4430
4431         /* if we seek beyond the current end of the canvas, move the end */
4432
4433 #ifdef FIX_THIS_FOR_V3
4434         if (last_time_origin == horizontal_adjustment.get_value() ) {
4435                 /* changed signal not emitted */
4436                 update_fixed_rulers ();
4437                 redisplay_tempo (true);
4438         }
4439 #endif
4440
4441         if (current_time_origin != pending_visual_change.time_origin) {
4442                 cef += current_page_frames() / 10; // Add a little extra so we can see the end marker
4443                 horizontal_adjustment.set_upper (cef / frames_per_unit);
4444                 horizontal_adjustment.set_value (pending_visual_change.time_origin / frames_per_unit);
4445         } else {
4446                 update_fixed_rulers();
4447                 redisplay_tempo (true);
4448         }
4449
4450         _summary->set_overlays_dirty ();
4451
4452         //cerr << "Editor::idle_visual_changer () called ha v:l:u:ps:fpu = " << horizontal_adjustment.get_value() << ":" << horizontal_adjustment.get_lower() << ":" << horizontal_adjustment.get_upper() << ":" << horizontal_adjustment.get_page_size() << ":" << frames_per_unit << endl;//DEBUG
4453         pending_visual_change.idle_handler_id = -1;
4454         return 0; /* this is always a one-shot call */
4455 }
4456
4457 struct EditorOrderTimeAxisSorter {
4458     bool operator() (const TimeAxisView* a, const TimeAxisView* b) const {
4459             return a->order () < b->order ();
4460     }
4461 };
4462
4463 void
4464 Editor::sort_track_selection (TrackSelection* sel)
4465 {
4466         EditorOrderTimeAxisSorter cmp;
4467
4468         if (sel) {
4469                 sel->sort (cmp);
4470         } else {
4471                 selection->tracks.sort (cmp);
4472         }
4473 }
4474
4475 nframes64_t
4476 Editor::get_preferred_edit_position (bool ignore_playhead)
4477 {
4478         bool ignored;
4479         nframes64_t where = 0;
4480         EditPoint ep = _edit_point;
4481
4482         if (entered_marker) {
4483                 return entered_marker->position();
4484         }
4485
4486         if (ignore_playhead && ep == EditAtPlayhead) {
4487                 ep = EditAtSelectedMarker;
4488         }
4489
4490         switch (ep) {
4491         case EditAtPlayhead:
4492                 where = session->audible_frame();
4493                 break;
4494
4495         case EditAtSelectedMarker:
4496                 if (!selection->markers.empty()) {
4497                         bool is_start;
4498                         Location* loc = find_location_from_marker (selection->markers.front(), is_start);
4499                         if (loc) {
4500                                 if (is_start) {
4501                                         where =  loc->start();
4502                                 } else {
4503                                         where = loc->end();
4504                                 }
4505                                 break;
4506                         }
4507                 }
4508                 /* fallthru */
4509
4510         default:
4511         case EditAtMouse:
4512                 if (!mouse_frame (where, ignored)) {
4513                         /* XXX not right but what can we do ? */
4514                         return 0;
4515                 }
4516                 snap_to (where);
4517                 break;
4518         }
4519
4520         return where;
4521 }
4522
4523 void
4524 Editor::set_loop_range (nframes64_t start, nframes64_t end, string cmd)
4525 {
4526         if (!session) return;
4527
4528         begin_reversible_command (cmd);
4529
4530         Location* tll;
4531
4532         if ((tll = transport_loop_location()) == 0) {
4533                 Location* loc = new Location (start, end, _("Loop"),  Location::IsAutoLoop);
4534                 XMLNode &before = session->locations()->get_state();
4535                 session->locations()->add (loc, true);
4536                 session->set_auto_loop_location (loc);
4537                 XMLNode &after = session->locations()->get_state();
4538                 session->add_command (new MementoCommand<Locations>(*(session->locations()), &before, &after));
4539         } else {
4540                 XMLNode &before = tll->get_state();
4541                 tll->set_hidden (false, this);
4542                 tll->set (start, end);
4543                 XMLNode &after = tll->get_state();
4544                 session->add_command (new MementoCommand<Location>(*tll, &before, &after));
4545         }
4546
4547         commit_reversible_command ();
4548 }
4549
4550 void
4551 Editor::set_punch_range (nframes64_t start, nframes64_t end, string cmd)
4552 {
4553         if (!session) return;
4554
4555         begin_reversible_command (cmd);
4556
4557         Location* tpl;
4558
4559         if ((tpl = transport_punch_location()) == 0) {
4560                 Location* loc = new Location (start, end, _("Loop"),  Location::IsAutoPunch);
4561                 XMLNode &before = session->locations()->get_state();
4562                 session->locations()->add (loc, true);
4563                 session->set_auto_loop_location (loc);
4564                 XMLNode &after = session->locations()->get_state();
4565                 session->add_command (new MementoCommand<Locations>(*(session->locations()), &before, &after));
4566         }
4567         else {
4568                 XMLNode &before = tpl->get_state();
4569                 tpl->set_hidden (false, this);
4570                 tpl->set (start, end);
4571                 XMLNode &after = tpl->get_state();
4572                 session->add_command (new MementoCommand<Location>(*tpl, &before, &after));
4573         }
4574
4575         commit_reversible_command ();
4576 }
4577
4578 /** Find regions which exist at a given time, and optionally on a given list of tracks.
4579  *  @param rs List to which found regions are added.
4580  *  @param where Time to look at.
4581  *  @param ts Tracks to look on; if this is empty, all tracks are examined.
4582  */
4583 void
4584 Editor::get_regions_at (RegionSelection& rs, nframes64_t where, const TrackSelection& ts) const
4585 {
4586         const TrackSelection* tracks;
4587
4588         if (ts.empty()) {
4589                 tracks = &track_views;
4590         } else {
4591                 tracks = &ts;
4592         }
4593
4594         for (TrackSelection::const_iterator t = tracks->begin(); t != tracks->end(); ++t) {
4595                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(*t);
4596                 if (rtv) {
4597                         boost::shared_ptr<Diskstream> ds;
4598                         boost::shared_ptr<Playlist> pl;
4599
4600                         if ((ds = rtv->get_diskstream()) && ((pl = ds->playlist()))) {
4601
4602                                 Playlist::RegionList* regions = pl->regions_at (
4603                                                 (nframes64_t) floor ( (double)where * ds->speed()));
4604
4605                                 for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
4606                                         RegionView* rv = rtv->view()->find_view (*i);
4607                                         if (rv) {
4608                                                 rs.add (rv);
4609                                         }
4610                                 }
4611
4612                                 delete regions;
4613                         }
4614                 }
4615         }
4616 }
4617
4618 void
4619 Editor::get_regions_after (RegionSelection& rs, nframes64_t where, const TrackSelection& ts) const
4620 {
4621         const TrackSelection* tracks;
4622
4623         if (ts.empty()) {
4624                 tracks = &track_views;
4625         } else {
4626                 tracks = &ts;
4627         }
4628
4629         for (TrackSelection::const_iterator t = tracks->begin(); t != tracks->end(); ++t) {
4630                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(*t);
4631                 if (rtv) {
4632                         boost::shared_ptr<Diskstream> ds;
4633                         boost::shared_ptr<Playlist> pl;
4634
4635                         if ((ds = rtv->get_diskstream()) && ((pl = ds->playlist()))) {
4636
4637                                 Playlist::RegionList* regions = pl->regions_touched (
4638                                                 (nframes64_t) floor ( (double)where * ds->speed()), max_frames);
4639
4640                                 for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
4641
4642                                         RegionView* rv = rtv->view()->find_view (*i);
4643
4644                                         if (rv) {
4645                                                 rs.push_back (rv);
4646                                         }
4647                                 }
4648
4649                                 delete regions;
4650                         }
4651                 }
4652         }
4653 }
4654
4655 /** Find all regions which are either:
4656  *      - selected or
4657  *      - the entered_regionview (if allow_entered == true) or
4658  *      - under the preferred edit position AND on a selected track, or on a track
4659  *        which is in the same active edit-enable route group as a selected region (if allow_edit_position == true)
4660  *  @param rs Returned region list.
4661  *  @param allow_entered true to include the entered_regionview in the list.
4662  */
4663 void
4664 Editor::get_regions_for_action (RegionSelection& rs, bool allow_entered, bool allow_edit_position)
4665 {
4666         /* Start with selected regions */
4667         rs = selection->regions;
4668
4669         /* Add the entered_regionview, if requested */
4670         if (allow_entered && entered_regionview) {
4671                 rs.add (entered_regionview);
4672         }
4673
4674         if (allow_edit_position) {
4675
4676                 TrackSelection tracks = selection->tracks;
4677
4678                 /* tracks is currently the set of selected tracks; add any other tracks that
4679                  * have regions that are in the same edit-activated route group as one of
4680                  * our regions */
4681                 for (RegionSelection::iterator i = rs.begin (); i != rs.end(); ++i) {
4682
4683                         RouteGroup* g = (*i)->get_time_axis_view().route_group ();
4684                         if (g && g->active_property (RouteGroup::Edit)) {
4685                                 tracks.add (axis_views_from_routes (g->route_list()));
4686                         }
4687                 }
4688
4689                 /* now find regions that are at the edit position on those tracks */
4690                 nframes64_t const where = get_preferred_edit_position ();
4691                 get_regions_at (rs, where, tracks);
4692         }
4693 }
4694
4695 void
4696 Editor::get_regions_corresponding_to (boost::shared_ptr<Region> region, vector<RegionView*>& regions)
4697 {
4698         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
4699
4700                 RouteTimeAxisView* tatv;
4701
4702                 if ((tatv = dynamic_cast<RouteTimeAxisView*> (*i)) != 0) {
4703
4704                         boost::shared_ptr<Playlist> pl;
4705                         vector<boost::shared_ptr<Region> > results;
4706                         RegionView* marv;
4707                         boost::shared_ptr<Diskstream> ds;
4708
4709                         if ((ds = tatv->get_diskstream()) == 0) {
4710                                 /* bus */
4711                                 continue;
4712                         }
4713
4714                         if ((pl = (ds->playlist())) != 0) {
4715                                 pl->get_region_list_equivalent_regions (region, results);
4716                         }
4717
4718                         for (vector<boost::shared_ptr<Region> >::iterator ir = results.begin(); ir != results.end(); ++ir) {
4719                                 if ((marv = tatv->view()->find_view (*ir)) != 0) {
4720                                         regions.push_back (marv);
4721                                 }
4722                         }
4723
4724                 }
4725         }
4726 }
4727
4728 void
4729 Editor::show_rhythm_ferret ()
4730 {
4731         if (rhythm_ferret == 0) {
4732                 rhythm_ferret = new RhythmFerret(*this);
4733         }
4734
4735         rhythm_ferret->set_session (session);
4736         rhythm_ferret->show ();
4737         rhythm_ferret->present ();
4738 }
4739
4740 void
4741 Editor::show_bundle_manager ()
4742 {
4743         if (_bundle_manager == 0) {
4744                 _bundle_manager = new BundleManager (*session);
4745         }
4746
4747         _bundle_manager->show ();
4748 }
4749
4750 void
4751 Editor::show_global_port_matrix (ARDOUR::DataType t)
4752 {
4753         if (_global_port_matrix[t] == 0) {
4754                 _global_port_matrix[t] = new GlobalPortMatrixWindow (*session, t);
4755         }
4756
4757         _global_port_matrix[t]->show ();
4758 }
4759
4760 void
4761 Editor::first_idle ()
4762 {
4763         MessageDialog* dialog = 0;
4764
4765         if (track_views.size() > 1) {
4766                 dialog = new MessageDialog (*this,
4767                                             _("Please wait while Ardour loads visual data"),
4768                                             true,
4769                                             Gtk::MESSAGE_INFO,
4770                                             Gtk::BUTTONS_NONE);
4771                 dialog->present ();
4772                 ARDOUR_UI::instance()->flush_pending ();
4773         }
4774
4775         for (TrackViewList::iterator t = track_views.begin(); t != track_views.end(); ++t) {
4776                 (*t)->first_idle();
4777         }
4778
4779         // first idle adds route children (automation tracks), so we need to redisplay here
4780         _routes->redisplay ();
4781
4782         delete dialog;
4783
4784         _have_idled = true;
4785 }
4786
4787 static gboolean
4788 _idle_resizer (gpointer arg)
4789 {
4790         return ((Editor*)arg)->idle_resize ();
4791 }
4792
4793 void
4794 Editor::add_to_idle_resize (TimeAxisView* view, int32_t h)
4795 {
4796         if (resize_idle_id < 0) {
4797                 resize_idle_id = g_idle_add (_idle_resizer, this);
4798                 _pending_resize_amount = 0;
4799         }
4800
4801         /* make a note of the smallest resulting height, so that we can clamp the
4802            lower limit at TimeAxisView::hSmall */
4803
4804         int32_t min_resulting = INT32_MAX;
4805
4806         _pending_resize_amount += h;
4807         _pending_resize_view = view;
4808
4809         min_resulting = min (min_resulting, int32_t (_pending_resize_view->current_height()) + _pending_resize_amount);
4810
4811         if (selection->tracks.contains (_pending_resize_view)) {
4812                 for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
4813                         min_resulting = min (min_resulting, int32_t ((*i)->current_height()) + _pending_resize_amount);
4814                 }
4815         }
4816
4817         if (min_resulting < 0) {
4818                 min_resulting = 0;
4819         }
4820
4821         /* clamp */
4822         if (uint32_t (min_resulting) < TimeAxisView::hSmall) {
4823                 _pending_resize_amount += TimeAxisView::hSmall - min_resulting;
4824         }
4825 }
4826
4827 /** Handle pending resizing of tracks */
4828 bool
4829 Editor::idle_resize ()
4830 {
4831         _pending_resize_view->idle_resize (_pending_resize_view->current_height() + _pending_resize_amount);
4832
4833         if (dynamic_cast<AutomationTimeAxisView*> (_pending_resize_view) == 0 &&
4834             selection->tracks.contains (_pending_resize_view)) {
4835
4836                 for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
4837                         if (*i != _pending_resize_view) {
4838                                 (*i)->idle_resize ((*i)->current_height() + _pending_resize_amount);
4839                         }
4840                 }
4841         }
4842
4843         flush_canvas ();
4844         _group_tabs->set_dirty ();
4845         resize_idle_id = -1;
4846
4847         return false;
4848 }
4849
4850 void
4851 Editor::located ()
4852 {
4853         ENSURE_GUI_THREAD (mem_fun (*this, &Editor::located));
4854
4855         _pending_locate_request = false;
4856 }
4857
4858 void
4859 Editor::region_view_added (RegionView *)
4860 {
4861         _summary->set_dirty ();
4862 }
4863
4864 void
4865 Editor::streamview_height_changed ()
4866 {
4867         _summary->set_dirty ();
4868 }
4869
4870 TimeAxisView*
4871 Editor::axis_view_from_route (Route* r) const
4872 {
4873         TrackViewList::const_iterator j = track_views.begin ();
4874         while (j != track_views.end()) {
4875                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (*j);
4876                 if (rtv && rtv->route().get() == r) {
4877                         return rtv;
4878                 }
4879                 ++j;
4880         }
4881
4882         return 0;
4883 }
4884
4885
4886 TrackSelection
4887 Editor::axis_views_from_routes (list<Route*> r) const
4888 {
4889         TrackSelection t;
4890
4891         for (list<Route*>::const_iterator i = r.begin(); i != r.end(); ++i) {
4892                 TimeAxisView* tv = axis_view_from_route (*i);
4893                 if (tv) {
4894                         t.push_back (tv);
4895                 }
4896         }
4897
4898         return t;
4899 }
4900
4901
4902 void
4903 Editor::handle_new_route (RouteList& routes)
4904 {
4905         ENSURE_GUI_THREAD (bind (mem_fun (*this, &Editor::handle_new_route), routes));
4906
4907         RouteTimeAxisView *rtv;
4908         list<RouteTimeAxisView*> new_views;
4909
4910         for (RouteList::iterator x = routes.begin(); x != routes.end(); ++x) {
4911                 boost::shared_ptr<Route> route = (*x);
4912
4913                 if (route->is_hidden()) {
4914                         continue;
4915                 }
4916
4917                 DataType dt = route->input()->default_type();
4918
4919                 if (dt == ARDOUR::DataType::AUDIO) {
4920                         rtv = new AudioTimeAxisView (*this, *session, route, *track_canvas);
4921                 } else if (dt == ARDOUR::DataType::MIDI) {
4922                         rtv = new MidiTimeAxisView (*this, *session, route, *track_canvas);
4923                 } else {
4924                         throw unknown_type();
4925                 }
4926
4927                 new_views.push_back (rtv);
4928                 track_views.push_back (rtv);
4929
4930                 rtv->effective_gain_display ();
4931
4932                 rtv->view()->RegionViewAdded.connect (mem_fun (*this, &Editor::region_view_added));
4933                 rtv->view()->HeightChanged.connect (mem_fun (*this, &Editor::streamview_height_changed));
4934
4935                 rtv->GoingAway.connect (bind (mem_fun(*this, &Editor::remove_route), rtv));
4936         }
4937
4938         _routes->routes_added (new_views);
4939
4940         if (show_editor_mixer_when_tracks_arrive) {
4941                 show_editor_mixer (true);
4942         }
4943
4944         editor_list_button.set_sensitive (true);
4945
4946         _summary->set_dirty ();
4947 }
4948
4949 void
4950 Editor::remove_route (TimeAxisView *tv)
4951 {
4952         ENSURE_GUI_THREAD(bind (mem_fun(*this, &Editor::remove_route), tv));
4953
4954         TrackViewList::iterator i;
4955         boost::shared_ptr<Route> route;
4956         TimeAxisView* next_tv;
4957
4958         if (tv == entered_track) {
4959                 entered_track = 0;
4960         }
4961
4962         if ((i = find (track_views.begin(), track_views.end(), tv)) != track_views.end()) {
4963
4964                i = track_views.erase (i);
4965
4966                if (track_views.empty()) {
4967                        next_tv = 0;
4968                } else if (i == track_views.end()) {
4969                        next_tv = track_views.front();
4970                } else {
4971                       next_tv = (*i);
4972                }
4973         }
4974
4975         if (current_mixer_strip && current_mixer_strip->route() == route) {
4976
4977                if (next_tv) {
4978                        set_selected_mixer_strip (*next_tv);
4979                } else {
4980                        /* make the editor mixer strip go away setting the
4981                         * button to inactive (which also unticks the menu option)
4982                         */
4983
4984                        ActionManager::uncheck_toggleaction ("<Actions>/Editor/show-editor-mixer");
4985                }
4986         }
4987 }
4988
4989 void
4990 Editor::hide_track_in_display (TimeAxisView& tv, bool /*temponly*/)
4991 {
4992         RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (&tv);
4993
4994         if (rtv && current_mixer_strip && (rtv->route() == current_mixer_strip->route())) {
4995                 // this will hide the mixer strip
4996                 set_selected_mixer_strip (tv);
4997         }
4998
4999         _routes->hide_track_in_display (tv);
5000 }
5001
5002 bool
5003 Editor::sync_track_view_list_and_routes ()
5004 {
5005         track_views = TrackSelection (_routes->views ());
5006
5007         _summary->set_dirty ();
5008         _group_tabs->set_dirty ();
5009
5010         return false; // do not call again (until needed)
5011 }
5012
5013 void
5014 Editor::foreach_time_axis_view (sigc::slot<void,TimeAxisView&> theslot)
5015 {
5016         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5017                 theslot (**i);
5018         }
5019 }
5020
5021 RouteTimeAxisView*
5022 Editor::get_route_view_by_id (PBD::ID& id)
5023 {
5024         RouteTimeAxisView* v;
5025
5026         for(TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5027                 if((v = dynamic_cast<RouteTimeAxisView*>(*i)) != 0) {
5028                         if(v->route()->id() == id) {
5029                                 return v;
5030                         }
5031                 }
5032         }
5033
5034         return 0;
5035 }
5036
5037 void
5038 Editor::fit_route_group (RouteGroup *g)
5039 {
5040         TrackSelection ts = axis_views_from_routes (g->route_list ());
5041         fit_tracks (ts);
5042 }
5043
5044 void
5045 Editor::consider_auditioning (boost::shared_ptr<Region> region)
5046 {
5047         boost::shared_ptr<AudioRegion> r = boost::dynamic_pointer_cast<AudioRegion> (region);
5048
5049         if (r == 0) {
5050                 session->cancel_audition ();
5051                 return;
5052         }
5053
5054         if (session->is_auditioning()) {
5055                 session->cancel_audition ();
5056                 if (r == last_audition_region) {
5057                         return;
5058                 }
5059         }
5060
5061         session->audition_region (r);
5062         last_audition_region = r;
5063 }
5064
5065
5066 void
5067 Editor::hide_a_region (boost::shared_ptr<Region> r)
5068 {
5069         r->set_hidden (true);
5070 }
5071
5072 void
5073 Editor::remove_a_region (boost::shared_ptr<Region> r)
5074 {
5075         session->remove_region_from_region_list (r);
5076 }
5077
5078 void
5079 Editor::audition_region_from_region_list ()
5080 {
5081         _regions->selection_mapover (mem_fun (*this, &Editor::consider_auditioning));
5082 }
5083
5084 void
5085 Editor::hide_region_from_region_list ()
5086 {
5087         _regions->selection_mapover (mem_fun (*this, &Editor::hide_a_region));
5088 }
5089
5090 void
5091 Editor::start_step_editing ()
5092 {
5093         step_edit_connection = Glib::signal_timeout().connect (mem_fun (*this, &Editor::check_step_edit), 20);
5094 }
5095
5096 void
5097 Editor::stop_step_editing ()
5098 {
5099         step_edit_connection.disconnect ();
5100 }
5101
5102 bool
5103 Editor::check_step_edit ()
5104 {
5105         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5106                 MidiTimeAxisView* mtv = dynamic_cast<MidiTimeAxisView*> (*i);
5107                 if (mtv) {
5108                         mtv->check_step_edit ();
5109                 }
5110         }
5111
5112         return true; // do it again, till we stop
5113 }