gtk2_ardour/editor.cc

   1 /*
   2     Copyright (C) 2000-2009 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 /* Note: public Editor methods are documented in public_editor.h */
  21
  22 #define __STDC_LIMIT_MACROS 1
  23 #include <stdint.h>
  24 #include <unistd.h>
  25 #include <cstdlib>
  26 #include <cmath>
  27 #include <string>
  28 #include <algorithm>
  29 #include <map>
  30
  31 #include "ardour_ui.h"
  32 /*
  33  * ardour_ui.h include was moved to the top of the list
  34  * due to a conflicting definition of 'Style' between
  35  * Apple's MacTypes.h and BarController.
  36  */
  37
  38 #include <boost/none.hpp>
  39
  40 #include <sigc++/bind.h>
  41
  42 #include "pbd/convert.h"
  43 #include "pbd/error.h"
  44 #include "pbd/enumwriter.h"
  45 #include "pbd/memento_command.h"
  46 #include "pbd/unknown_type.h"
  47
  48 #include <glibmm/miscutils.h>
  49 #include <gtkmm/image.h>
  50 #include <gdkmm/color.h>
  51 #include <gdkmm/bitmap.h>
  52
  53 #include <gtkmm2ext/grouped_buttons.h>
  54 #include <gtkmm2ext/gtk_ui.h>
  55 #include <gtkmm2ext/tearoff.h>
  56 #include <gtkmm2ext/utils.h>
  57 #include <gtkmm2ext/window_title.h>
  58 #include <gtkmm2ext/choice.h>
  59 #include <gtkmm2ext/cell_renderer_pixbuf_toggle.h>
  60
  61 #include "ardour/audio_diskstream.h"
  62 #include "ardour/audio_track.h"
  63 #include "ardour/audioplaylist.h"
  64 #include "ardour/audioregion.h"
  65 #include "ardour/location.h"
  66 #include "ardour/midi_region.h"
  67 #include "ardour/plugin_manager.h"
  68 #include "ardour/profile.h"
  69 #include "ardour/route_group.h"
  70 #include "ardour/session_directory.h"
  71 #include "ardour/session_route.h"
  72 #include "ardour/session_state_utils.h"
  73 #include "ardour/tempo.h"
  74 #include "ardour/utils.h"
  75 #include "ardour/session_playlists.h"
  76 #include "ardour/audioengine.h"
  77
  78 #include "control_protocol/control_protocol.h"
  79
  80 #include "editor.h"
  81 #include "keyboard.h"
  82 #include "marker.h"
  83 #include "playlist_selector.h"
  84 #include "audio_region_view.h"
  85 #include "rgb_macros.h"
  86 #include "selection.h"
  87 #include "audio_streamview.h"
  88 #include "time_axis_view.h"
  89 #include "audio_time_axis.h"
  90 #include "utils.h"
  91 #include "crossfade_view.h"
  92 #include "canvas-noevent-text.h"
  93 #include "editing.h"
  94 #include "public_editor.h"
  95 #include "crossfade_edit.h"
  96 #include "canvas_impl.h"
  97 #include "actions.h"
  98 #include "sfdb_ui.h"
  99 #include "gui_thread.h"
 100 #include "simpleline.h"
 101 #include "rhythm_ferret.h"
 102 #include "actions.h"
 103 #include "tempo_lines.h"
 104 #include "analysis_window.h"
 105 #include "bundle_manager.h"
 106 #include "global_port_matrix.h"
 107 #include "editor_drag.h"
 108 #include "editor_group_tabs.h"
 109 #include "automation_time_axis.h"
 110 #include "editor_routes.h"
 111 #include "midi_time_axis.h"
 112 #include "mixer_strip.h"
 113 #include "editor_route_groups.h"
 114 #include "editor_regions.h"
 115 #include "editor_locations.h"
 116 #include "editor_snapshots.h"
 117 #include "editor_summary.h"
 118
 119 #include "i18n.h"
 120
 121 #ifdef WITH_CMT
 122 #include "imageframe_socket_handler.h"
 123 #endif
 124
 125 using namespace std;
 126 using namespace ARDOUR;
 127 using namespace PBD;
 128 using namespace Gtk;
 129 using namespace Glib;
 130 using namespace Gtkmm2ext;
 131 using namespace Editing;
 132
 133 using PBD::internationalize;
 134 using PBD::atoi;
 135 using Gtkmm2ext::Keyboard;
 136
 137 const double Editor::timebar_height = 15.0;
 138
 139 #include "editor_xpms"
 140
 141 static const gchar *_snap_type_strings[] = {
 142         N_("CD Frames"),
 143         N_("Timecode Frames"),
 144         N_("Timecode Seconds"),
 145         N_("Timecode Minutes"),
 146         N_("Seconds"),
 147         N_("Minutes"),
 148         N_("Beats/32"),
 149         N_("Beats/28"),
 150         N_("Beats/24"),
 151         N_("Beats/16"),
 152         N_("Beats/14"),
 153         N_("Beats/12"),
 154         N_("Beats/10"),
 155         N_("Beats/8"),
 156         N_("Beats/7"),
 157         N_("Beats/6"),
 158         N_("Beats/5"),
 159         N_("Beats/4"),
 160         N_("Beats/3"),
 161         N_("Beats/2"),
 162         N_("Beats"),
 163         N_("Bars"),
 164         N_("Marks"),
 165         N_("Region starts"),
 166         N_("Region ends"),
 167         N_("Region syncs"),
 168         N_("Region bounds"),
 169         0
 170 };
 171
 172 static const gchar *_snap_mode_strings[] = {
 173         N_("No Grid"),
 174         N_("Grid"),
 175         N_("Magnetic"),
 176         0
 177 };
 178
 179 static const gchar *_edit_point_strings[] = {
 180         N_("Playhead"),
 181         N_("Marker"),
 182         N_("Mouse"),
 183         0
 184 };
 185
 186 static const gchar *_zoom_focus_strings[] = {
 187         N_("Left"),
 188         N_("Right"),
 189         N_("Center"),
 190         N_("Playhead"),
 191         N_("Mouse"),
 192         N_("Edit point"),
 193         0
 194 };
 195
 196 #ifdef USE_RUBBERBAND
 197 static const gchar *_rb_opt_strings[] = {
 198         N_("Mushy"),
 199         N_("Smooth"),
 200         N_("Balanced multitimbral mixture"),
 201         N_("Unpitched percussion with stable notes"),
 202         N_("Crisp monophonic instrumental"),
 203         N_("Unpitched solo percussion"),
 204         0
 205 };
 206 #endif
 207
 208 /* Soundfile  drag-n-drop */
 209
 210 Gdk::Cursor* Editor::cross_hair_cursor = 0;
 211 Gdk::Cursor* Editor::selector_cursor = 0;
 212 Gdk::Cursor* Editor::trimmer_cursor = 0;
 213 Gdk::Cursor* Editor::left_side_trim_cursor = 0;
 214 Gdk::Cursor* Editor::right_side_trim_cursor = 0;
 215 Gdk::Cursor* Editor::fade_in_cursor = 0;
 216 Gdk::Cursor* Editor::fade_out_cursor = 0;
 217 Gdk::Cursor* Editor::grabber_cursor = 0;
 218 Gdk::Cursor* Editor::grabber_edit_point_cursor = 0;
 219 Gdk::Cursor* Editor::zoom_cursor = 0;
 220 Gdk::Cursor* Editor::time_fx_cursor = 0;
 221 Gdk::Cursor* Editor::fader_cursor = 0;
 222 Gdk::Cursor* Editor::speaker_cursor = 0;
 223 Gdk::Cursor* Editor::midi_pencil_cursor = 0;
 224 Gdk::Cursor* Editor::midi_select_cursor = 0;
 225 Gdk::Cursor* Editor::midi_resize_cursor = 0;
 226 Gdk::Cursor* Editor::midi_erase_cursor = 0;
 227 Gdk::Cursor* Editor::wait_cursor = 0;
 228 Gdk::Cursor* Editor::timebar_cursor = 0;
 229 Gdk::Cursor* Editor::transparent_cursor = 0;
 230
 231 void
 232 show_me_the_size (Requisition* r, const char* what)
 233 {
 234         cerr << "size of " << what << " = " << r->width << " x " << r->height << endl;
 235 }
 236
 237 #ifdef GTKOSX
 238 static void
 239 pane_size_watcher (Paned* pane)
 240 {
 241        /* if the handle of a pane vanishes into (at least) the tabs of a notebook,
 242           it is no longer accessible. so stop that. this doesn't happen on X11,
 243           just the quartz backend.
 244
 245           ugh.
 246        */
 247
 248        int max_width_of_lhs = GTK_WIDGET(pane->gobj())->allocation.width - 25;
 249
 250        gint pos = pane->get_position ();
 251
 252        if (pos > max_width_of_lhs) {
 253                pane->set_position (max_width_of_lhs);
 254        }
 255 }
 256 #endif
 257
 258 Editor::Editor ()
 259         : _join_object_range_state (JOIN_OBJECT_RANGE_NONE)
 260
 261           /* time display buttons */
 262         , minsec_label (_("Mins:Secs"))
 263         , bbt_label (_("Bars:Beats"))
 264         , timecode_label (_("Timecode"))
 265         , frame_label (_("Samples"))
 266         , tempo_label (_("Tempo"))
 267         , meter_label (_("Meter"))
 268         , mark_label (_("Location Markers"))
 269         , range_mark_label (_("Range Markers"))
 270         , transport_mark_label (_("Loop/Punch Ranges"))
 271         , cd_mark_label (_("CD Markers"))
 272         , edit_packer (4, 4, true)
 273
 274           /* the values here don't matter: layout widgets
 275              reset them as needed.
 276           */
 277
 278         , vertical_adjustment (0.0, 0.0, 10.0, 400.0)
 279
 280           /* tool bar related */
 281
 282         , zoom_range_clock (X_("zoomrange"), false, X_("ZoomRangeClock"), true, false, true)
 283
 284         , toolbar_selection_clock_table (2,3)
 285
 286         , automation_mode_button (_("mode"))
 287         , global_automation_button (_("automation"))
 288
 289         , midi_panic_button (_("Panic"))
 290
 291 #ifdef WITH_CMT
 292         , image_socket_listener(0)
 293 #endif
 294
 295           /* nudge */
 296
 297         , nudge_clock (X_("nudge"), false, X_("NudgeClock"), true, false, true)
 298         , meters_running(false)
 299         , _pending_locate_request (false)
 300         , _pending_initial_locate (false)
 301
 302 {
 303         constructed = false;
 304
 305         /* we are a singleton */
 306
 307         PublicEditor::_instance = this;
 308
 309         _have_idled = false;
 310
 311         selection = new Selection (this);
 312         cut_buffer = new Selection (this);
 313
 314         clicked_regionview = 0;
 315         clicked_axisview = 0;
 316         clicked_routeview = 0;
 317         clicked_crossfadeview = 0;
 318         clicked_control_point = 0;
 319         last_update_frame = 0;
 320         _drags = new DragManager (this);
 321         current_mixer_strip = 0;
 322         current_bbt_points = 0;
 323         tempo_lines = 0;
 324
 325         snap_type_strings =  I18N (_snap_type_strings);
 326         snap_mode_strings =  I18N (_snap_mode_strings);
 327         zoom_focus_strings = I18N (_zoom_focus_strings);
 328         edit_point_strings = I18N (_edit_point_strings);
 329 #ifdef USE_RUBBERBAND
 330         rb_opt_strings = I18N (_rb_opt_strings);
 331 #endif
 332
 333         snap_threshold = 5.0;
 334         bbt_beat_subdivision = 4;
 335         _canvas_width = 0;
 336         _canvas_height = 0;
 337         last_autoscroll_x = 0;
 338         last_autoscroll_y = 0;
 339         autoscroll_active = false;
 340         autoscroll_timeout_tag = -1;
 341         logo_item = 0;
 342
 343         analysis_window = 0;
 344
 345         current_interthread_info = 0;
 346         _show_measures = true;
 347         show_gain_after_trim = false;
 348         verbose_cursor_on = true;
 349         last_item_entered = 0;
 350         last_item_entered_n = 0;
 351
 352         have_pending_keyboard_selection = false;
 353         _follow_playhead = true;
 354         _stationary_playhead = false;
 355         _xfade_visibility = true;
 356         editor_ruler_menu = 0;
 357         no_ruler_shown_update = false;
 358         marker_menu = 0;
 359         session_range_marker_menu = 0;
 360         range_marker_menu = 0;
 361         marker_menu_item = 0;
 362         tempo_or_meter_marker_menu = 0;
 363         transport_marker_menu = 0;
 364         new_transport_marker_menu = 0;
 365         editor_mixer_strip_width = Wide;
 366         show_editor_mixer_when_tracks_arrive = false;
 367         region_edit_menu_split_multichannel_item = 0;
 368         region_edit_menu_split_item = 0;
 369         temp_location = 0;
 370         leftmost_frame = 0;
 371         current_stepping_trackview = 0;
 372         entered_track = 0;
 373         entered_regionview = 0;
 374         entered_marker = 0;
 375         clear_entered_track = false;
 376         current_timefx = 0;
 377         playhead_cursor = 0;
 378         button_release_can_deselect = true;
 379         _dragging_playhead = false;
 380         _dragging_edit_point = false;
 381         select_new_marker = false;
 382         rhythm_ferret = 0;
 383         _bundle_manager = 0;
 384         for (ARDOUR::DataType::iterator i = ARDOUR::DataType::begin(); i != ARDOUR::DataType::end(); ++i) {
 385                 _global_port_matrix[*i] = 0;
 386         }
 387         allow_vertical_scroll = false;
 388         no_save_visual = false;
 389         resize_idle_id = -1;
 390
 391         scrubbing_direction = 0;
 392
 393         sfbrowser = 0;
 394
 395         location_marker_color = ARDOUR_UI::config()->canvasvar_LocationMarker.get();
 396         location_range_color = ARDOUR_UI::config()->canvasvar_LocationRange.get();
 397         location_cd_marker_color = ARDOUR_UI::config()->canvasvar_LocationCDMarker.get();
 398         location_loop_color = ARDOUR_UI::config()->canvasvar_LocationLoop.get();
 399         location_punch_color = ARDOUR_UI::config()->canvasvar_LocationPunch.get();
 400
 401         _edit_point = EditAtMouse;
 402         _internal_editing = false;
 403         current_canvas_cursor = 0;
 404
 405         frames_per_unit = 2048; /* too early to use reset_zoom () */
 406
 407         _scroll_callbacks = 0;
 408
 409         zoom_focus = ZoomFocusLeft;
 410         set_zoom_focus (ZoomFocusLeft);
 411         zoom_range_clock.ValueChanged.connect (sigc::mem_fun(*this, &Editor::zoom_adjustment_changed));
 412
 413         bbt_label.set_name ("EditorTimeButton");
 414         bbt_label.set_size_request (-1, (int)timebar_height);
 415         bbt_label.set_alignment (1.0, 0.5);
 416         bbt_label.set_padding (5,0);
 417         bbt_label.hide ();
 418         bbt_label.set_no_show_all();
 419         minsec_label.set_name ("EditorTimeButton");
 420         minsec_label.set_size_request (-1, (int)timebar_height);
 421         minsec_label.set_alignment (1.0, 0.5);
 422         minsec_label.set_padding (5,0);
 423         minsec_label.hide ();
 424         minsec_label.set_no_show_all();
 425         timecode_label.set_name ("EditorTimeButton");
 426         timecode_label.set_size_request (-1, (int)timebar_height);
 427         timecode_label.set_alignment (1.0, 0.5);
 428         timecode_label.set_padding (5,0);
 429         timecode_label.hide ();
 430         timecode_label.set_no_show_all();
 431         frame_label.set_name ("EditorTimeButton");
 432         frame_label.set_size_request (-1, (int)timebar_height);
 433         frame_label.set_alignment (1.0, 0.5);
 434         frame_label.set_padding (5,0);
 435         frame_label.hide ();
 436         frame_label.set_no_show_all();
 437
 438         tempo_label.set_name ("EditorTimeButton");
 439         tempo_label.set_size_request (-1, (int)timebar_height);
 440         tempo_label.set_alignment (1.0, 0.5);
 441         tempo_label.set_padding (5,0);
 442         tempo_label.hide();
 443         tempo_label.set_no_show_all();
 444         meter_label.set_name ("EditorTimeButton");
 445         meter_label.set_size_request (-1, (int)timebar_height);
 446         meter_label.set_alignment (1.0, 0.5);
 447         meter_label.set_padding (5,0);
 448         meter_label.hide();
 449         meter_label.set_no_show_all();
 450         mark_label.set_name ("EditorTimeButton");
 451         mark_label.set_size_request (-1, (int)timebar_height);
 452         mark_label.set_alignment (1.0, 0.5);
 453         mark_label.set_padding (5,0);
 454         mark_label.hide();
 455         mark_label.set_no_show_all();
 456         cd_mark_label.set_name ("EditorTimeButton");
 457         cd_mark_label.set_size_request (-1, (int)timebar_height);
 458         cd_mark_label.set_alignment (1.0, 0.5);
 459         cd_mark_label.set_padding (5,0);
 460         cd_mark_label.hide();
 461         cd_mark_label.set_no_show_all();
 462         range_mark_label.set_name ("EditorTimeButton");
 463         range_mark_label.set_size_request (-1, (int)timebar_height);
 464         range_mark_label.set_alignment (1.0, 0.5);
 465         range_mark_label.set_padding (5,0);
 466         range_mark_label.hide();
 467         range_mark_label.set_no_show_all();
 468         transport_mark_label.set_name ("EditorTimeButton");
 469         transport_mark_label.set_size_request (-1, (int)timebar_height);
 470         transport_mark_label.set_alignment (1.0, 0.5);
 471         transport_mark_label.set_padding (5,0);
 472         transport_mark_label.hide();
 473         transport_mark_label.set_no_show_all();
 474
 475         initialize_rulers ();
 476         initialize_canvas ();
 477         _summary = new EditorSummary (this);
 478
 479         selection->TimeChanged.connect (sigc::mem_fun(*this, &Editor::time_selection_changed));
 480         selection->TracksChanged.connect (sigc::mem_fun(*this, &Editor::track_selection_changed));
 481         editor_regions_selection_changed_connection = selection->RegionsChanged.connect (sigc::mem_fun(*this, &Editor::region_selection_changed));
 482         selection->PointsChanged.connect (sigc::mem_fun(*this, &Editor::point_selection_changed));
 483         selection->MarkersChanged.connect (sigc::mem_fun(*this, &Editor::marker_selection_changed));
 484
 485         edit_controls_vbox.set_spacing (0);
 486         vertical_adjustment.signal_value_changed().connect (sigc::mem_fun(*this, &Editor::tie_vertical_scrolling), true);
 487         track_canvas->signal_map_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_map_handler));
 488
 489         HBox* h = manage (new HBox);
 490         _group_tabs = new EditorGroupTabs (this);
 491         h->pack_start (*_group_tabs, PACK_SHRINK);
 492         h->pack_start (edit_controls_vbox);
 493         controls_layout.add (*h);
 494
 495         controls_layout.set_name ("EditControlsBase");
 496         controls_layout.add_events (Gdk::SCROLL_MASK);
 497         controls_layout.signal_scroll_event().connect (sigc::mem_fun(*this, &Editor::control_layout_scroll), false);
 498
 499         controls_layout.add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK);
 500         controls_layout.signal_button_release_event().connect (sigc::mem_fun(*this, &Editor::edit_controls_button_release));
 501         controls_layout_size_request_connection = controls_layout.signal_size_request().connect (sigc::mem_fun (*this, &Editor::controls_layout_size_request));
 502
 503         build_cursors ();
 504
 505         ArdourCanvas::Canvas* time_pad = manage(new ArdourCanvas::Canvas());
 506         ArdourCanvas::SimpleLine* pad_line_1 = manage(new ArdourCanvas::SimpleLine(*time_pad->root(),
 507                         0.0, 1.0, 100.0, 1.0));
 508         pad_line_1->property_color_rgba() = 0xFF0000FF;
 509         pad_line_1->show();
 510         time_pad->show();
 511
 512         time_canvas_vbox.set_size_request (-1, (int)(timebar_height * visible_timebars) + 2);
 513         time_canvas_vbox.set_size_request (-1, -1);
 514
 515         ruler_label_event_box.add (ruler_label_vbox);
 516         ruler_label_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 517         ruler_label_event_box.signal_button_release_event().connect (sigc::mem_fun(*this, &Editor::ruler_label_button_release));
 518
 519         time_button_event_box.add (time_button_vbox);
 520         time_button_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 521         time_button_event_box.signal_button_release_event().connect (sigc::mem_fun(*this, &Editor::ruler_label_button_release));
 522
 523         /* these enable us to have a dedicated window (for cursor setting, etc.)
 524            for the canvas areas.
 525         */
 526
 527         track_canvas_event_box.add (*track_canvas);
 528
 529         time_canvas_event_box.add (time_canvas_vbox);
 530         time_canvas_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::POINTER_MOTION_MASK);
 531
 532         edit_packer.set_col_spacings (0);
 533         edit_packer.set_row_spacings (0);
 534         edit_packer.set_homogeneous (false);
 535         edit_packer.set_border_width (0);
 536         edit_packer.set_name ("EditorWindow");
 537
 538         edit_packer.attach (zoom_vbox,               0, 1, 0, 2,    SHRINK,        FILL, 0, 0);
 539         /* labels for the rulers */
 540         edit_packer.attach (ruler_label_event_box,   1, 2, 0, 1,    FILL,        SHRINK, 0, 0);
 541         /* labels for the marker "tracks" */
 542         edit_packer.attach (time_button_event_box,   1, 2, 1, 2,    FILL,        SHRINK, 0, 0);
 543         /* the rulers */
 544         edit_packer.attach (time_canvas_event_box,   2, 3, 0, 1,    FILL|EXPAND, FILL, 0, 0);
 545         /* track controls */
 546         edit_packer.attach (controls_layout,         0, 2, 2, 3,    FILL,        FILL|EXPAND, 0, 0);
 547         /* main canvas */
 548         edit_packer.attach (track_canvas_event_box,  2, 3, 1, 3,    FILL|EXPAND, FILL|EXPAND, 0, 0);
 549
 550         bottom_hbox.set_border_width (2);
 551         bottom_hbox.set_spacing (3);
 552
 553         _route_groups = new EditorRouteGroups (this);
 554         _routes = new EditorRoutes (this);
 555         _regions = new EditorRegions (this);
 556         _snapshots = new EditorSnapshots (this);
 557         _locations = new EditorLocations (this);
 558
 559         Gtk::Label* nlabel;
 560
 561         nlabel = manage (new Label (_("Regions")));
 562         nlabel->set_angle (-90);
 563         the_notebook.append_page (_regions->widget (), *nlabel);
 564         nlabel = manage (new Label (_("Tracks & Busses")));
 565         nlabel->set_angle (-90);
 566         the_notebook.append_page (_routes->widget (), *nlabel);
 567         nlabel = manage (new Label (_("Snapshots")));
 568         nlabel->set_angle (-90);
 569         the_notebook.append_page (_snapshots->widget (), *nlabel);
 570         nlabel = manage (new Label (_("Route Groups")));
 571         nlabel->set_angle (-90);
 572         the_notebook.append_page (_route_groups->widget (), *nlabel);
 573         nlabel = manage (new Label (_("Ranges & Marks")));
 574         nlabel->set_angle (-90);
 575         the_notebook.append_page (_locations->widget (), *nlabel);
 576
 577         the_notebook.set_show_tabs (true);
 578         the_notebook.set_scrollable (true);
 579         the_notebook.popup_disable ();
 580         the_notebook.set_tab_pos (Gtk::POS_RIGHT);
 581         the_notebook.show_all ();
 582
 583         post_maximal_editor_width = 0;
 584         post_maximal_horizontal_pane_position = 0;
 585         post_maximal_editor_height = 0;
 586         post_maximal_vertical_pane_position = 0;
 587
 588         editor_summary_pane.pack1(edit_packer);
 589
 590         Button* summary_arrows_left_left = manage (new Button);
 591         summary_arrows_left_left->add (*manage (new Arrow (ARROW_LEFT, SHADOW_NONE)));
 592         summary_arrows_left_left->signal_pressed().connect (sigc::hide_return (sigc::mem_fun (*this, &Editor::horizontal_scroll_left_press)));
 593         summary_arrows_left_left->signal_released().connect (sigc::mem_fun (*this, &Editor::horizontal_scroll_left_release));
 594         Button* summary_arrows_left_right = manage (new Button);
 595         summary_arrows_left_right->add (*manage (new Arrow (ARROW_RIGHT, SHADOW_NONE)));
 596         summary_arrows_left_right->signal_pressed().connect (sigc::hide_return (sigc::mem_fun (*this, &Editor::horizontal_scroll_right_press)));
 597         summary_arrows_left_right->signal_released().connect (sigc::mem_fun (*this, &Editor::horizontal_scroll_right_release));
 598         VBox* summary_arrows_left = manage (new VBox);
 599         summary_arrows_left->pack_start (*summary_arrows_left_left);
 600         summary_arrows_left->pack_start (*summary_arrows_left_right);
 601
 602         Button* summary_arrows_right_left = manage (new Button);
 603         summary_arrows_right_left->add (*manage (new Arrow (ARROW_LEFT, SHADOW_NONE)));
 604         summary_arrows_right_left->signal_pressed().connect (sigc::hide_return (sigc::mem_fun (*this, &Editor::horizontal_scroll_left_press)));
 605         summary_arrows_right_left->signal_released().connect (sigc::mem_fun (*this, &Editor::horizontal_scroll_left_release));
 606         Button* summary_arrows_right_right = manage (new Button);
 607         summary_arrows_right_right->add (*manage (new Arrow (ARROW_RIGHT, SHADOW_NONE)));
 608         summary_arrows_right_right->signal_pressed().connect (sigc::hide_return (sigc::mem_fun (*this, &Editor::horizontal_scroll_right_press)));
 609         summary_arrows_right_right->signal_released().connect (sigc::mem_fun (*this, &Editor::horizontal_scroll_right_release));
 610         VBox* summary_arrows_right = manage (new VBox);
 611         summary_arrows_right->pack_start (*summary_arrows_right_left);
 612         summary_arrows_right->pack_start (*summary_arrows_right_right);
 613
 614         Frame* summary_frame = manage (new Frame);
 615         summary_frame->set_shadow_type (Gtk::SHADOW_ETCHED_IN);
 616         summary_frame->add (*_summary);
 617         summary_frame->show ();
 618
 619         _summary_hbox.pack_start (*summary_arrows_left, false, false);
 620         _summary_hbox.pack_start (*summary_frame, true, true);
 621         _summary_hbox.pack_start (*summary_arrows_right, false, false);
 622
 623         editor_summary_pane.pack2 (_summary_hbox);
 624
 625         edit_pane.pack1 (editor_summary_pane, true, true);
 626         edit_pane.pack2 (the_notebook, false, true);
 627
 628         editor_summary_pane.signal_size_allocate().connect (sigc::bind (sigc::mem_fun (*this, &Editor::pane_allocation_handler), static_cast<Paned*> (&editor_summary_pane)));
 629
 630         /* XXX: editor_summary_pane might need similar special OS X treatment to the edit_pane */
 631
 632         edit_pane.signal_size_allocate().connect (sigc::bind (sigc::mem_fun(*this, &Editor::pane_allocation_handler), static_cast<Paned*> (&edit_pane)));
 633 #ifdef GTKOSX
 634         Glib::PropertyProxy<int> proxy = edit_pane.property_position();
 635         proxy.signal_changed().connect (bind (sigc::ptr_fun (pane_size_watcher), static_cast<Paned*> (&edit_pane)));
 636 #endif
 637         top_hbox.pack_start (toolbar_frame, false, true);
 638
 639         HBox *hbox = manage (new HBox);
 640         hbox->pack_start (edit_pane, true, true);
 641
 642         global_vpacker.pack_start (top_hbox, false, false);
 643         global_vpacker.pack_start (*hbox, true, true);
 644
 645         global_hpacker.pack_start (global_vpacker, true, true);
 646
 647         set_name ("EditorWindow");
 648         add_accel_group (ActionManager::ui_manager->get_accel_group());
 649
 650         status_bar_hpacker.show ();
 651
 652         vpacker.pack_end (status_bar_hpacker, false, false);
 653         vpacker.pack_end (global_hpacker, true, true);
 654
 655         /* register actions now so that set_state() can find them and set toggles/checks etc */
 656
 657         register_actions ();
 658
 659         setup_toolbar ();
 660         setup_midi_toolbar ();
 661
 662         _snap_type = SnapToBeat;
 663         set_snap_to (_snap_type);
 664         _snap_mode = SnapOff;
 665         set_snap_mode (_snap_mode);
 666         set_mouse_mode (MouseObject, true);
 667         set_edit_point_preference (EditAtMouse, true);
 668
 669         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
 670         set_state (*node, Stateful::loading_state_version);
 671
 672         _playlist_selector = new PlaylistSelector();
 673         _playlist_selector->signal_delete_event().connect (sigc::bind (sigc::ptr_fun (just_hide_it), static_cast<Window *> (_playlist_selector)));
 674
 675         RegionView::RegionViewGoingAway.connect (*this, invalidator (*this),  ui_bind (&Editor::catch_vanishing_regionview, this, _1), gui_context());
 676
 677         /* nudge stuff */
 678
 679         nudge_forward_button.add (*(manage (new Image (::get_icon("nudge_right")))));
 680         nudge_backward_button.add (*(manage (new Image (::get_icon("nudge_left")))));
 681
 682         nudge_forward_button.set_name ("TransportButton");
 683         nudge_backward_button.set_name ("TransportButton");
 684
 685         fade_context_menu.set_name ("ArdourContextMenu");
 686
 687         /* icons, titles, WM stuff */
 688
 689         list<Glib::RefPtr<Gdk::Pixbuf> > window_icons;
 690         Glib::RefPtr<Gdk::Pixbuf> icon;
 691
 692         if ((icon = ::get_icon ("ardour_icon_16px")) != 0) {
 693                 window_icons.push_back (icon);
 694         }
 695         if ((icon = ::get_icon ("ardour_icon_22px")) != 0) {
 696                 window_icons.push_back (icon);
 697         }
 698         if ((icon = ::get_icon ("ardour_icon_32px")) != 0) {
 699                 window_icons.push_back (icon);
 700         }
 701         if ((icon = ::get_icon ("ardour_icon_48px")) != 0) {
 702                 window_icons.push_back (icon);
 703         }
 704         if (!window_icons.empty()) {
 705                 set_icon_list (window_icons);
 706                 set_default_icon_list (window_icons);
 707         }
 708
 709         WindowTitle title(Glib::get_application_name());
 710         title += _("Editor");
 711         set_title (title.get_string());
 712         set_wmclass (X_("ardour_editor"), "Ardour");
 713
 714         add (vpacker);
 715         add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK);
 716
 717         signal_configure_event().connect (sigc::mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::configure_handler));
 718         signal_delete_event().connect (sigc::mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::exit_on_main_window_close));
 719
 720         /* allow external control surfaces/protocols to do various things */
 721
 722         ControlProtocol::ZoomToSession.connect (*this, invalidator (*this), boost::bind (&Editor::temporal_zoom_session, this), gui_context());
 723         ControlProtocol::ZoomIn.connect (*this, invalidator (*this), boost::bind (&Editor::temporal_zoom_step, this, false), gui_context());
 724         ControlProtocol::ZoomOut.connect (*this, invalidator (*this), boost::bind (&Editor::temporal_zoom_step, this, true), gui_context());
 725         ControlProtocol::ScrollTimeline.connect (*this, invalidator (*this), ui_bind (&Editor::control_scroll, this, _1), gui_context());
 726         BasicUI::AccessAction.connect (*this, invalidator (*this), ui_bind (&Editor::access_action, this, _1, _2), gui_context());
 727
 728         /* problematic: has to return a value and thus cannot be x-thread */
 729
 730         Session::AskAboutPlaylistDeletion.connect_same_thread (*this, boost::bind (&Editor::playlist_deletion_dialog, this, _1));
 731
 732         Config->ParameterChanged.connect (*this, invalidator (*this), ui_bind (&Editor::parameter_changed, this, _1), gui_context());
 733
 734         TimeAxisView::CatchDeletion.connect (*this, invalidator (*this), ui_bind (&Editor::timeaxisview_deleted, this, _1), gui_context());
 735
 736         _last_normalization_value = 0;
 737
 738         constructed = true;
 739         instant_save ();
 740 }
 741
 742 Editor::~Editor()
 743 {
 744 #ifdef WITH_CMT
 745         if(image_socket_listener) {
 746                 if(image_socket_listener->is_connected())
 747                 {
 748                         image_socket_listener->close_connection() ;
 749                 }
 750
 751                 delete image_socket_listener ;
 752                 image_socket_listener = 0 ;
 753         }
 754 #endif
 755
 756         delete _routes;
 757         delete _route_groups;
 758         delete track_canvas;
 759         delete _drags;
 760 }
 761
 762 void
 763 Editor::add_toplevel_controls (Container& cont)
 764 {
 765         vpacker.pack_start (cont, false, false);
 766         cont.show_all ();
 767 }
 768
 769 void
 770 Editor::catch_vanishing_regionview (RegionView *rv)
 771 {
 772         /* note: the selection will take care of the vanishing
 773            audioregionview by itself.
 774         */
 775
 776         if (_drags->active() && _drags->have_item (rv->get_canvas_group()) && !_drags->ending()) {
 777                 _drags->abort ();
 778         }
 779
 780         if (clicked_regionview == rv) {
 781                 clicked_regionview = 0;
 782         }
 783
 784         if (entered_regionview == rv) {
 785                 set_entered_regionview (0);
 786         }
 787 }
 788
 789 void
 790 Editor::set_entered_regionview (RegionView* rv)
 791 {
 792         if (rv == entered_regionview) {
 793                 return;
 794         }
 795
 796         if (entered_regionview) {
 797                 entered_regionview->exited ();
 798         }
 799
 800         if ((entered_regionview = rv) != 0) {
 801                 entered_regionview->entered ();
 802         }
 803 }
 804
 805 void
 806 Editor::set_entered_track (TimeAxisView* tav)
 807 {
 808         if (entered_track) {
 809                 entered_track->exited ();
 810         }
 811
 812         if ((entered_track = tav) != 0) {
 813                 entered_track->entered ();
 814         }
 815 }
 816
 817 void
 818 Editor::show_window ()
 819 {
 820         if (! is_visible ()) {
 821                 show_all ();
 822
 823                 /* re-hide editor list if necessary */
 824                 editor_list_button_toggled ();
 825
 826                 /* re-hide summary widget if necessary */
 827                 parameter_changed ("show-summary");
 828
 829                 parameter_changed ("show-edit-group-tabs");
 830
 831                 /* now reset all audio_time_axis heights, because widgets might need
 832                    to be re-hidden
 833                 */
 834
 835                 TimeAxisView *tv;
 836
 837                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
 838                         tv = (static_cast<TimeAxisView*>(*i));
 839                         tv->reset_height ();
 840                 }
 841
 842                 reset_zoom (frames_per_unit);
 843         }
 844
 845         present ();
 846 }
 847
 848 void
 849 Editor::instant_save ()
 850 {
 851         if (!constructed || !ARDOUR_UI::instance()->session_loaded) {
 852                 return;
 853         }
 854
 855         if (_session) {
 856                 _session->add_instant_xml(get_state());
 857         } else {
 858                 Config->add_instant_xml(get_state());
 859         }
 860 }
 861
 862 void
 863 Editor::zoom_adjustment_changed ()
 864 {
 865         if (_session == 0) {
 866                 return;
 867         }
 868
 869         double fpu = zoom_range_clock.current_duration() / _canvas_width;
 870
 871         if (fpu < 1.0) {
 872                 fpu = 1.0;
 873                 zoom_range_clock.set ((nframes64_t) floor (fpu * _canvas_width));
 874         } else if (fpu > _session->current_end_frame() / _canvas_width) {
 875                 fpu = _session->current_end_frame() / _canvas_width;
 876                 zoom_range_clock.set ((nframes64_t) floor (fpu * _canvas_width));
 877         }
 878
 879         temporal_zoom (fpu);
 880 }
 881
 882 void
 883 Editor::control_scroll (float fraction)
 884 {
 885         ENSURE_GUI_THREAD (*this, &Editor::control_scroll, fraction)
 886
 887         if (!_session) {
 888                 return;
 889         }
 890
 891         double step = fraction * current_page_frames();
 892
 893         /*
 894                 _control_scroll_target is an optional<T>
 895
 896                 it acts like a pointer to an nframes64_t, with
 897                 a operator conversion to boolean to check
 898                 that it has a value could possibly use
 899                 playhead_cursor->current_frame to store the
 900                 value and a boolean in the class to know
 901                 when it's out of date
 902         */
 903
 904         if (!_control_scroll_target) {
 905                 _control_scroll_target = _session->transport_frame();
 906                 _dragging_playhead = true;
 907         }
 908
 909         if ((fraction < 0.0f) && (*_control_scroll_target < (nframes64_t) fabs(step))) {
 910                 *_control_scroll_target = 0;
 911         } else if ((fraction > 0.0f) && (max_frames - *_control_scroll_target < step)) {
 912                 *_control_scroll_target = max_frames - (current_page_frames()*2); // allow room for slop in where the PH is on the screen
 913         } else {
 914                 *_control_scroll_target += (nframes64_t) floor (step);
 915         }
 916
 917         /* move visuals, we'll catch up with it later */
 918
 919         playhead_cursor->set_position (*_control_scroll_target);
 920         UpdateAllTransportClocks (*_control_scroll_target);
 921
 922         if (*_control_scroll_target > (current_page_frames() / 2)) {
 923                 /* try to center PH in window */
 924                 reset_x_origin (*_control_scroll_target - (current_page_frames()/2));
 925         } else {
 926                 reset_x_origin (0);
 927         }
 928
 929         /*
 930                 Now we do a timeout to actually bring the session to the right place
 931                 according to the playhead. This is to avoid reading disk buffers on every
 932                 call to control_scroll, which is driven by ScrollTimeline and therefore
 933                 probably by a control surface wheel which can generate lots of events.
 934         */
 935         /* cancel the existing timeout */
 936
 937         control_scroll_connection.disconnect ();
 938
 939         /* add the next timeout */
 940
 941         control_scroll_connection = Glib::signal_timeout().connect (sigc::bind (sigc::mem_fun (*this, &Editor::deferred_control_scroll), *_control_scroll_target), 250);
 942 }
 943
 944 bool
 945 Editor::deferred_control_scroll (nframes64_t /*target*/)
 946 {
 947         _session->request_locate (*_control_scroll_target, _session->transport_rolling());
 948         // reset for next stream
 949         _control_scroll_target = boost::none;
 950         _dragging_playhead = false;
 951         return false;
 952 }
 953
 954 void
 955 Editor::access_action (std::string action_group, std::string action_item)
 956 {
 957         if (!_session) {
 958                 return;
 959         }
 960
 961         ENSURE_GUI_THREAD (*this, &Editor::access_action, action_group, action_item)
 962
 963         RefPtr<Action> act;
 964         act = ActionManager::get_action( action_group.c_str(), action_item.c_str() );
 965
 966         if (act) {
 967                 act->activate();
 968         }
 969 }
 970
 971 void
 972 Editor::on_realize ()
 973 {
 974         Window::on_realize ();
 975         Realized ();
 976 }
 977
 978 void
 979 Editor::map_position_change (nframes64_t frame)
 980 {
 981         ENSURE_GUI_THREAD (*this, &Editor::map_position_change, frame)
 982
 983         if (_session == 0 || !_follow_playhead) {
 984                 return;
 985         }
 986
 987         center_screen (frame);
 988         playhead_cursor->set_position (frame);
 989 }
 990
 991 void
 992 Editor::center_screen (nframes64_t frame)
 993 {
 994         double page = _canvas_width * frames_per_unit;
 995
 996         /* if we're off the page, then scroll.
 997          */
 998
 999         if (frame < leftmost_frame || frame >= leftmost_frame + page) {
1000                 center_screen_internal (frame, page);
1001         }
1002 }
1003
1004 void
1005 Editor::center_screen_internal (nframes64_t frame, float page)
1006 {
1007         page /= 2;
1008
1009         if (frame > page) {
1010                 frame -= (nframes64_t) page;
1011         } else {
1012                 frame = 0;
1013         }
1014
1015         reset_x_origin (frame);
1016 }
1017
1018
1019 void
1020 Editor::update_title ()
1021 {
1022         ENSURE_GUI_THREAD (*this, &Editor::update_title)
1023
1024         if (_session) {
1025                 bool dirty = _session->dirty();
1026
1027                 string session_name;
1028
1029                 if (_session->snap_name() != _session->name()) {
1030                         session_name = _session->snap_name();
1031                 } else {
1032                         session_name = _session->name();
1033                 }
1034
1035                 if (dirty) {
1036                         session_name = "*" + session_name;
1037                 }
1038
1039                 WindowTitle title(session_name);
1040                 title += Glib::get_application_name();
1041                 set_title (title.get_string());
1042         }
1043 }
1044
1045 void
1046 Editor::set_session (Session *t)
1047 {
1048         SessionHandlePtr::set_session (t);
1049
1050         if (!_session) {
1051                 return;
1052         }
1053
1054         zoom_range_clock.set_session (_session);
1055         _playlist_selector->set_session (_session);
1056         nudge_clock.set_session (_session);
1057         _summary->set_session (_session);
1058         _group_tabs->set_session (_session);
1059         _route_groups->set_session (_session);
1060         _regions->set_session (_session);
1061         _snapshots->set_session (_session);
1062         _routes->set_session (_session);
1063         _locations->set_session (_session);
1064
1065         if (rhythm_ferret) {
1066                 rhythm_ferret->set_session (_session);
1067         }
1068
1069         if (analysis_window) {
1070                 analysis_window->set_session (_session);
1071         }
1072
1073         if (sfbrowser) {
1074                 sfbrowser->set_session (_session);
1075         }
1076
1077         compute_fixed_ruler_scale ();
1078
1079         /* there are never any selected regions at startup */
1080         sensitize_the_right_region_actions (false);
1081
1082         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
1083         set_state (*node, Stateful::loading_state_version);
1084
1085         /* catch up with the playhead */
1086
1087         _session->request_locate (playhead_cursor->current_frame);
1088         _pending_initial_locate = true;
1089
1090         update_title ();
1091
1092         /* These signals can all be emitted by a non-GUI thread. Therefore the
1093            handlers for them must not attempt to directly interact with the GUI,
1094            but use Gtkmm2ext::UI::instance()->call_slot();
1095         */
1096
1097         _session->TransportStateChange.connect (_session_connections, invalidator (*this), boost::bind (&Editor::map_transport_state, this), gui_context());
1098         _session->PositionChanged.connect (_session_connections, invalidator (*this), ui_bind (&Editor::map_position_change, this, _1), gui_context());
1099         _session->RouteAdded.connect (_session_connections, invalidator (*this), ui_bind (&Editor::handle_new_route, this, _1), gui_context());
1100         _session->DirtyChanged.connect (_session_connections, invalidator (*this), boost::bind (&Editor::update_title, this), gui_context());
1101         _session->TimecodeOffsetChanged.connect (_session_connections, invalidator (*this), boost::bind (&Editor::update_just_timecode, this), gui_context());
1102         _session->tempo_map().PropertyChanged.connect (_session_connections, invalidator (*this), ui_bind (&Editor::tempo_map_changed, this, _1), gui_context());
1103         _session->Located.connect (_session_connections, invalidator (*this), boost::bind (&Editor::located, this), gui_context());
1104         _session->config.ParameterChanged.connect (_session_connections, invalidator (*this), ui_bind (&Editor::parameter_changed, this, _1), gui_context());
1105         _session->StateSaved.connect (_session_connections, invalidator (*this), ui_bind (&Editor::session_state_saved, this, _1), gui_context());
1106         _session->locations()->added.connect (_session_connections, invalidator (*this), ui_bind (&Editor::add_new_location, this, _1), gui_context());
1107         _session->locations()->removed.connect (_session_connections, invalidator (*this), ui_bind (&Editor::location_gone, this, _1), gui_context());
1108         _session->locations()->changed.connect (_session_connections, invalidator (*this), boost::bind (&Editor::refresh_location_display, this), gui_context());
1109         _session->locations()->StateChanged.connect (_session_connections, invalidator (*this), ui_bind (&Editor::refresh_location_display_s, this, _1), gui_context());
1110         _session->history().Changed.connect (_session_connections, invalidator (*this), boost::bind (&Editor::history_changed, this), gui_context());
1111
1112         if (Profile->get_sae()) {
1113                 BBT_Time bbt;
1114                 bbt.bars = 0;
1115                 bbt.beats = 0;
1116                 bbt.ticks = 120;
1117                 nframes_t pos = _session->tempo_map().bbt_duration_at (0, bbt, 1);
1118                 nudge_clock.set_mode(AudioClock::BBT);
1119                 nudge_clock.set (pos, true, 0, AudioClock::BBT);
1120
1121         } else {
1122                 nudge_clock.set (_session->frame_rate() * 5, true, 0, AudioClock::Timecode); // default of 5 seconds
1123         }
1124
1125         playhead_cursor->canvas_item.show ();
1126
1127         Location* loc = _session->locations()->auto_loop_location();
1128         if (loc == 0) {
1129                 loc = new Location (0, _session->current_end_frame(), _("Loop"),(Location::Flags) (Location::IsAutoLoop | Location::IsHidden));
1130                 if (loc->start() == loc->end()) {
1131                         loc->set_end (loc->start() + 1);
1132                 }
1133                 _session->locations()->add (loc, false);
1134                 _session->set_auto_loop_location (loc);
1135         } else {
1136                 // force name
1137                 loc->set_name (_("Loop"));
1138         }
1139
1140         loc = _session->locations()->auto_punch_location();
1141         if (loc == 0) {
1142                 loc = new Location (0, _session->current_end_frame(), _("Punch"), (Location::Flags) (Location::IsAutoPunch | Location::IsHidden));
1143                 if (loc->start() == loc->end()) {
1144                         loc->set_end (loc->start() + 1);
1145                 }
1146                 _session->locations()->add (loc, false);
1147                 _session->set_auto_punch_location (loc);
1148         } else {
1149                 // force name
1150                 loc->set_name (_("Punch"));
1151         }
1152
1153         boost::function<void (string)> pc (boost::bind (&Editor::parameter_changed, this, _1));
1154         Config->map_parameters (pc);
1155         _session->config.map_parameters (pc);
1156
1157         refresh_location_display ();
1158
1159         restore_ruler_visibility ();
1160         //tempo_map_changed (PropertyChange (0));
1161         _session->tempo_map().apply_with_metrics (*this, &Editor::draw_metric_marks);
1162
1163         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
1164                 (static_cast<TimeAxisView*>(*i))->set_samples_per_unit (frames_per_unit);
1165         }
1166
1167         super_rapid_screen_update_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect (
1168                 sigc::mem_fun (*this, &Editor::super_rapid_screen_update)
1169                 );
1170
1171         switch (_snap_type) {
1172         case SnapToRegionStart:
1173         case SnapToRegionEnd:
1174         case SnapToRegionSync:
1175         case SnapToRegionBoundary:
1176                 build_region_boundary_cache ();
1177                 break;
1178
1179         default:
1180                 break;
1181         }
1182
1183         /* register for undo history */
1184         _session->register_with_memento_command_factory(_id, this);
1185
1186         start_updating_meters ();
1187 }
1188
1189 void
1190 Editor::build_cursors ()
1191 {
1192         using namespace Gdk;
1193
1194         Gdk::Color mbg ("#000000" ); /* Black */
1195         Gdk::Color mfg ("#0000ff" ); /* Blue. */
1196
1197         {
1198                 RefPtr<Bitmap> source, mask;
1199                 source = Bitmap::create (mag_bits, mag_width, mag_height);
1200                 mask = Bitmap::create (magmask_bits, mag_width, mag_height);
1201                 zoom_cursor = new Gdk::Cursor (source, mask, mfg, mbg, mag_x_hot, mag_y_hot);
1202         }
1203
1204         Gdk::Color fbg ("#ffffff" );
1205         Gdk::Color ffg  ("#000000" );
1206
1207         {
1208                 RefPtr<Bitmap> source, mask;
1209
1210                 source = Bitmap::create (fader_cursor_bits, fader_cursor_width, fader_cursor_height);
1211                 mask = Bitmap::create (fader_cursor_mask_bits, fader_cursor_width, fader_cursor_height);
1212                 fader_cursor = new Gdk::Cursor (source, mask, ffg, fbg, fader_cursor_x_hot, fader_cursor_y_hot);
1213         }
1214
1215         {
1216                 RefPtr<Bitmap> source, mask;
1217                 source = Bitmap::create (speaker_cursor_bits, speaker_cursor_width, speaker_cursor_height);
1218                 mask = Bitmap::create (speaker_cursor_mask_bits, speaker_cursor_width, speaker_cursor_height);
1219                 speaker_cursor = new Gdk::Cursor (source, mask, ffg, fbg, speaker_cursor_x_hot, speaker_cursor_y_hot);
1220         }
1221
1222         {
1223                 RefPtr<Bitmap> bits;
1224                 char pix[4] = { 0, 0, 0, 0 };
1225                 bits = Bitmap::create (pix, 2, 2);
1226                 Gdk::Color c;
1227                 transparent_cursor = new Gdk::Cursor (bits, bits, c, c, 0, 0);
1228         }
1229
1230         {
1231                 RefPtr<Bitmap> bits;
1232                 char pix[4] = { 0, 0, 0, 0 };
1233                 bits = Bitmap::create (pix, 2, 2);
1234                 Gdk::Color c;
1235                 transparent_cursor = new Gdk::Cursor (bits, bits, c, c, 0, 0);
1236         }
1237
1238
1239         grabber_cursor = new Gdk::Cursor (HAND2);
1240
1241         {
1242                 Glib::RefPtr<Gdk::Pixbuf> grabber_edit_point_pixbuf (::get_icon ("grabber_edit_point"));
1243                 grabber_edit_point_cursor = new Gdk::Cursor (Gdk::Display::get_default(), grabber_edit_point_pixbuf, 5, 17);
1244         }
1245
1246         cross_hair_cursor = new Gdk::Cursor (CROSSHAIR);
1247         trimmer_cursor =  new Gdk::Cursor (SB_H_DOUBLE_ARROW);
1248
1249         {
1250                 Glib::RefPtr<Gdk::Pixbuf> apixbuf (::get_icon ("trim_left_cursor"));
1251                 left_side_trim_cursor = new Gdk::Cursor (Gdk::Display::get_default(), apixbuf, 5, 11);
1252         }
1253
1254         {
1255                 Glib::RefPtr<Gdk::Pixbuf> apixbuf (::get_icon ("trim_right_cursor"));
1256                 right_side_trim_cursor = new Gdk::Cursor (Gdk::Display::get_default(), apixbuf, 23, 11);
1257         }
1258
1259         {
1260                 Glib::RefPtr<Gdk::Pixbuf> apixbuf (::get_icon ("fade_in_cursor"));
1261                 fade_in_cursor = new Gdk::Cursor (Gdk::Display::get_default(), apixbuf, 0, 40);
1262         }
1263
1264         {
1265                 Glib::RefPtr<Gdk::Pixbuf> apixbuf (::get_icon ("fade_out_cursor"));
1266                 fade_out_cursor = new Gdk::Cursor (Gdk::Display::get_default(), apixbuf, 27, 40);
1267         }
1268
1269         selector_cursor = new Gdk::Cursor (XTERM);
1270         time_fx_cursor = new Gdk::Cursor (SIZING);
1271         wait_cursor = new Gdk::Cursor  (WATCH);
1272         timebar_cursor = new Gdk::Cursor(LEFT_PTR);
1273         midi_pencil_cursor = new Gdk::Cursor (PENCIL);
1274         midi_select_cursor = new Gdk::Cursor (CENTER_PTR);
1275         midi_resize_cursor = new Gdk::Cursor (SIZING);
1276         midi_erase_cursor = new Gdk::Cursor (DRAPED_BOX);
1277 }
1278
1279 /** Pop up a context menu for when the user clicks on a fade in or fade out */
1280 void
1281 Editor::popup_fade_context_menu (int button, int32_t time, ArdourCanvas::Item* item, ItemType item_type)
1282 {
1283         using namespace Menu_Helpers;
1284         AudioRegionView* arv = static_cast<AudioRegionView*> (item->get_data ("regionview"));
1285
1286         if (arv == 0) {
1287                 fatal << _("programming error: fade in canvas item has no regionview data pointer!") << endmsg;
1288                 /*NOTREACHED*/
1289         }
1290
1291         MenuList& items (fade_context_menu.items());
1292
1293         items.clear ();
1294
1295         switch (item_type) {
1296         case FadeInItem:
1297         case FadeInHandleItem:
1298                 if (arv->audio_region()->fade_in_active()) {
1299                         items.push_back (MenuElem (_("Deactivate"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_active), false)));
1300                 } else {
1301                         items.push_back (MenuElem (_("Activate"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_active), true)));
1302                 }
1303
1304                 items.push_back (SeparatorElem());
1305
1306                 if (Profile->get_sae()) {
1307                         items.push_back (MenuElem (_("Linear"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Linear)));
1308                         items.push_back (MenuElem (_("Slowest"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Fast)));
1309                 } else {
1310                         items.push_back (MenuElem (_("Linear"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Linear)));
1311                         items.push_back (MenuElem (_("Slowest"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Fast)));
1312                         items.push_back (MenuElem (_("Slow"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::LogB)));
1313                         items.push_back (MenuElem (_("Fast"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::LogA)));
1314                         items.push_back (MenuElem (_("Fastest"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Slow)));
1315                 }
1316
1317                 break;
1318
1319         case FadeOutItem:
1320         case FadeOutHandleItem:
1321                 if (arv->audio_region()->fade_out_active()) {
1322                         items.push_back (MenuElem (_("Deactivate"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_active), false)));
1323                 } else {
1324                         items.push_back (MenuElem (_("Activate"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_active), true)));
1325                 }
1326
1327                 items.push_back (SeparatorElem());
1328
1329                 if (Profile->get_sae()) {
1330                         items.push_back (MenuElem (_("Linear"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Linear)));
1331                         items.push_back (MenuElem (_("Slowest"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Slow)));
1332                 } else {
1333                         items.push_back (MenuElem (_("Linear"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Linear)));
1334                         items.push_back (MenuElem (_("Slowest"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Slow)));
1335                         items.push_back (MenuElem (_("Slow"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::LogA)));
1336                         items.push_back (MenuElem (_("Fast"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::LogB)));
1337                         items.push_back (MenuElem (_("Fastest"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Fast)));
1338                 }
1339
1340                 break;
1341
1342         default:
1343                 fatal << _("programming error: ")
1344                       << X_("non-fade canvas item passed to popup_fade_context_menu()")
1345                       << endmsg;
1346                 /*NOTREACHED*/
1347         }
1348
1349         fade_context_menu.popup (button, time);
1350 }
1351
1352 void
1353 Editor::popup_track_context_menu (int button, int32_t time, ItemType item_type, bool with_selection, nframes64_t frame)
1354 {
1355         using namespace Menu_Helpers;
1356         Menu* (Editor::*build_menu_function)(nframes64_t);
1357         Menu *menu;
1358
1359         switch (item_type) {
1360         case RegionItem:
1361         case RegionViewName:
1362         case RegionViewNameHighlight:
1363         case LeftFrameHandle:
1364         case RightFrameHandle:
1365                 if (with_selection) {
1366                         build_menu_function = &Editor::build_track_selection_context_menu;
1367                 } else {
1368                         build_menu_function = &Editor::build_track_region_context_menu;
1369                 }
1370                 break;
1371
1372         case SelectionItem:
1373                 if (with_selection) {
1374                         build_menu_function = &Editor::build_track_selection_context_menu;
1375                 } else {
1376                         build_menu_function = &Editor::build_track_context_menu;
1377                 }
1378                 break;
1379
1380         case CrossfadeViewItem:
1381                 build_menu_function = &Editor::build_track_crossfade_context_menu;
1382                 break;
1383
1384         case StreamItem:
1385                 if (clicked_routeview->track()) {
1386                         build_menu_function = &Editor::build_track_context_menu;
1387                 } else {
1388                         build_menu_function = &Editor::build_track_bus_context_menu;
1389                 }
1390                 break;
1391
1392         default:
1393                 /* probably shouldn't happen but if it does, we don't care */
1394                 return;
1395         }
1396
1397         menu = (this->*build_menu_function)(frame);
1398         menu->set_name ("ArdourContextMenu");
1399
1400         /* now handle specific situations */
1401
1402         switch (item_type) {
1403         case RegionItem:
1404         case RegionViewName:
1405         case RegionViewNameHighlight:
1406         case LeftFrameHandle:
1407         case RightFrameHandle:
1408                 if (!with_selection) {
1409                         if (region_edit_menu_split_item) {
1410                                 if (clicked_regionview && clicked_regionview->region()->covers (get_preferred_edit_position())) {
1411                                         ActionManager::set_sensitive (ActionManager::edit_point_in_region_sensitive_actions, true);
1412                                 } else {
1413                                         ActionManager::set_sensitive (ActionManager::edit_point_in_region_sensitive_actions, false);
1414                                 }
1415                         }
1416                         if (region_edit_menu_split_multichannel_item) {
1417                                 if (clicked_regionview && clicked_regionview->region()->n_channels() > 1) {
1418                                         region_edit_menu_split_multichannel_item->set_sensitive (true);
1419                                 } else {
1420                                         region_edit_menu_split_multichannel_item->set_sensitive (false);
1421                                 }
1422                         }
1423                 }
1424                 break;
1425
1426         case SelectionItem:
1427                 break;
1428
1429         case CrossfadeViewItem:
1430                 break;
1431
1432         case StreamItem:
1433                 break;
1434
1435         default:
1436                 /* probably shouldn't happen but if it does, we don't care */
1437                 return;
1438         }
1439
1440         if (item_type != SelectionItem && clicked_routeview && clicked_routeview->audio_track()) {
1441
1442                 /* Bounce to disk */
1443
1444                 using namespace Menu_Helpers;
1445                 MenuList& edit_items  = menu->items();
1446
1447                 edit_items.push_back (SeparatorElem());
1448
1449                 switch (clicked_routeview->audio_track()->freeze_state()) {
1450                 case AudioTrack::NoFreeze:
1451                         edit_items.push_back (MenuElem (_("Freeze"), sigc::mem_fun(*this, &Editor::freeze_route)));
1452                         break;
1453
1454                 case AudioTrack::Frozen:
1455                         edit_items.push_back (MenuElem (_("Unfreeze"), sigc::mem_fun(*this, &Editor::unfreeze_route)));
1456                         break;
1457
1458                 case AudioTrack::UnFrozen:
1459                         edit_items.push_back (MenuElem (_("Freeze"), sigc::mem_fun(*this, &Editor::freeze_route)));
1460                         break;
1461                 }
1462
1463         }
1464
1465         if (item_type == StreamItem && clicked_routeview) {
1466                 clicked_routeview->build_underlay_menu(menu);
1467         }
1468
1469         menu->popup (button, time);
1470 }
1471
1472 Menu*
1473 Editor::build_track_context_menu (nframes64_t)
1474 {
1475         using namespace Menu_Helpers;
1476
1477         MenuList& edit_items = track_context_menu.items();
1478         edit_items.clear();
1479
1480         add_dstream_context_items (edit_items);
1481         return &track_context_menu;
1482 }
1483
1484 Menu*
1485 Editor::build_track_bus_context_menu (nframes64_t)
1486 {
1487         using namespace Menu_Helpers;
1488
1489         MenuList& edit_items = track_context_menu.items();
1490         edit_items.clear();
1491
1492         add_bus_context_items (edit_items);
1493         return &track_context_menu;
1494 }
1495
1496 Menu*
1497 Editor::build_track_region_context_menu (nframes64_t frame)
1498 {
1499         using namespace Menu_Helpers;
1500         MenuList& edit_items  = track_region_context_menu.items();
1501         edit_items.clear();
1502
1503         RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (clicked_axisview);
1504
1505         if (rtv) {
1506                 boost::shared_ptr<Track> tr;
1507                 boost::shared_ptr<Playlist> pl;
1508
1509                 if ((tr = rtv->track()) && ((pl = tr->playlist()))) {
1510                         Playlist::RegionList* regions = pl->regions_at ((nframes64_t) floor ( (double)frame * tr->speed()));
1511
1512                         if (selection->regions.size() > 1) {
1513                                 // there's already a multiple selection: just add a
1514                                 // single region context menu that will act on all
1515                                 // selected regions
1516                                 boost::shared_ptr<Region> dummy_region; // = NULL
1517                                 add_region_context_items (rtv->view(), dummy_region, edit_items);
1518                         } else {
1519                                 for (Playlist::RegionList::reverse_iterator i = regions->rbegin(); i != regions->rend(); ++i) {
1520                                         add_region_context_items (rtv->view(), (*i), edit_items);
1521                                 }
1522                         }
1523
1524                         delete regions;
1525                 }
1526         }
1527
1528         add_dstream_context_items (edit_items);
1529
1530         return &track_region_context_menu;
1531 }
1532
1533 Menu*
1534 Editor::build_track_crossfade_context_menu (nframes64_t frame)
1535 {
1536         using namespace Menu_Helpers;
1537         MenuList& edit_items  = track_crossfade_context_menu.items();
1538         edit_items.clear ();
1539
1540         AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*> (clicked_axisview);
1541
1542         if (atv) {
1543                 boost::shared_ptr<Track> tr;
1544                 boost::shared_ptr<Playlist> pl;
1545                 boost::shared_ptr<AudioPlaylist> apl;
1546
1547                 if ((tr = atv->track()) && ((pl = tr->playlist()) != 0) && ((apl = boost::dynamic_pointer_cast<AudioPlaylist> (pl)) != 0)) {
1548
1549                         Playlist::RegionList* regions = pl->regions_at (frame);
1550                         AudioPlaylist::Crossfades xfades;
1551
1552                         apl->crossfades_at (frame, xfades);
1553
1554                         bool many = xfades.size() > 1;
1555
1556                         for (AudioPlaylist::Crossfades::iterator i = xfades.begin(); i != xfades.end(); ++i) {
1557                                 add_crossfade_context_items (atv->audio_view(), (*i), edit_items, many);
1558                         }
1559
1560                         if (selection->regions.size() > 1) {
1561                                 // there's already a multiple selection: just add a
1562                                 // single region context menu that will act on all
1563                                 // selected regions
1564                                 boost::shared_ptr<Region> dummy_region; // = NULL
1565                                 add_region_context_items (atv->audio_view(), dummy_region, edit_items);
1566                         } else {
1567                                 for (Playlist::RegionList::reverse_iterator i = regions->rbegin(); i != regions->rend(); ++i) {
1568                                         add_region_context_items (atv->audio_view(), (*i), edit_items);
1569                                 }
1570                         }
1571                         delete regions;
1572                 }
1573         }
1574
1575         add_dstream_context_items (edit_items);
1576
1577         return &track_crossfade_context_menu;
1578 }
1579
1580 void
1581 Editor::analyze_region_selection()
1582 {
1583         if (analysis_window == 0) {
1584                 analysis_window = new AnalysisWindow();
1585
1586                 if (_session != 0)
1587                         analysis_window->set_session(_session);
1588
1589                 analysis_window->show_all();
1590         }
1591
1592         analysis_window->set_regionmode();
1593         analysis_window->analyze();
1594
1595         analysis_window->present();
1596 }
1597
1598 void
1599 Editor::analyze_range_selection()
1600 {
1601         if (analysis_window == 0) {
1602                 analysis_window = new AnalysisWindow();
1603
1604                 if (_session != 0)
1605                         analysis_window->set_session(_session);
1606
1607                 analysis_window->show_all();
1608         }
1609
1610         analysis_window->set_rangemode();
1611         analysis_window->analyze();
1612
1613         analysis_window->present();
1614 }
1615
1616 Menu*
1617 Editor::build_track_selection_context_menu (nframes64_t)
1618 {
1619         using namespace Menu_Helpers;
1620         MenuList& edit_items  = track_selection_context_menu.items();
1621         edit_items.clear ();
1622
1623         add_selection_context_items (edit_items);
1624         // edit_items.push_back (SeparatorElem());
1625         // add_dstream_context_items (edit_items);
1626
1627         return &track_selection_context_menu;
1628 }
1629
1630 /** Add context menu items relevant to crossfades.
1631  * @param edit_items List to add the items to.
1632  */
1633 void
1634 Editor::add_crossfade_context_items (AudioStreamView* /*view*/, boost::shared_ptr<Crossfade> xfade, Menu_Helpers::MenuList& edit_items, bool many)
1635 {
1636         using namespace Menu_Helpers;
1637         Menu     *xfade_menu = manage (new Menu);
1638         MenuList& items       = xfade_menu->items();
1639         xfade_menu->set_name ("ArdourContextMenu");
1640         string str;
1641
1642         if (xfade->active()) {
1643                 str = _("Mute");
1644         } else {
1645                 str = _("Unmute");
1646         }
1647
1648         items.push_back (MenuElem (str, sigc::bind (sigc::mem_fun(*this, &Editor::toggle_xfade_active), boost::weak_ptr<Crossfade> (xfade))));
1649         items.push_back (MenuElem (_("Edit"), sigc::bind (sigc::mem_fun(*this, &Editor::edit_xfade), boost::weak_ptr<Crossfade> (xfade))));
1650
1651         if (xfade->can_follow_overlap()) {
1652
1653                 if (xfade->following_overlap()) {
1654                         str = _("Convert to Short");
1655                 } else {
1656                         str = _("Convert to Full");
1657                 }
1658
1659                 items.push_back (MenuElem (str, sigc::bind (sigc::mem_fun(*this, &Editor::toggle_xfade_length), xfade)));
1660         }
1661
1662         if (many) {
1663                 str = xfade->out()->name();
1664                 str += "->";
1665                 str += xfade->in()->name();
1666         } else {
1667                 str = _("Crossfade");
1668         }
1669
1670         edit_items.push_back (MenuElem (str, *xfade_menu));
1671         edit_items.push_back (SeparatorElem());
1672 }
1673
1674 void
1675 Editor::xfade_edit_left_region ()
1676 {
1677         if (clicked_crossfadeview) {
1678                 clicked_crossfadeview->left_view.show_region_editor ();
1679         }
1680 }
1681
1682 void
1683 Editor::xfade_edit_right_region ()
1684 {
1685         if (clicked_crossfadeview) {
1686                 clicked_crossfadeview->right_view.show_region_editor ();
1687         }
1688 }
1689
1690 void
1691 Editor::add_region_context_items (StreamView* sv, boost::shared_ptr<Region> region, Menu_Helpers::MenuList& edit_items)
1692 {
1693         using namespace Menu_Helpers;
1694         Gtk::MenuItem* foo_item;
1695         Menu     *region_menu = manage (new Menu);
1696         MenuList& items       = region_menu->items();
1697         region_menu->set_name ("ArdourContextMenu");
1698
1699         boost::shared_ptr<AudioRegion> ar;
1700         boost::shared_ptr<MidiRegion>  mr;
1701
1702         if (region) {
1703                 ar = boost::dynamic_pointer_cast<AudioRegion> (region);
1704                 mr = boost::dynamic_pointer_cast<MidiRegion> (region);
1705
1706                 /* when this particular menu pops up, make the relevant region
1707                    become selected.
1708                 */
1709
1710                 region_menu->signal_map_event().connect (
1711                         sigc::bind (sigc::mem_fun(*this, &Editor::set_selected_regionview_from_map_event), sv, boost::weak_ptr<Region>(region)));
1712
1713                 items.push_back (MenuElem (_("Rename..."), sigc::mem_fun(*this, &Editor::rename_region)));
1714                 if (mr) {
1715                         items.push_back (MenuElem (_("List Editor..."), sigc::mem_fun(*this, &Editor::show_midi_list_editor)));
1716                 }
1717                 items.push_back (MenuElem (_("Region Properties..."), sigc::mem_fun(*this, &Editor::edit_region)));
1718         }
1719
1720         items.push_back (MenuElem (_("Raise to Top Layer"), sigc::mem_fun(*this, &Editor::raise_region_to_top)));
1721         items.push_back (MenuElem (_("Lower to Bottom Layer"), sigc::mem_fun  (*this, &Editor::lower_region_to_bottom)));
1722         items.push_back (SeparatorElem());
1723         items.push_back (MenuElem (_("Define Sync Point"), sigc::mem_fun(*this, &Editor::set_region_sync_from_edit_point)));
1724         if (_edit_point == EditAtMouse) {
1725                 items.back ().set_sensitive (false);
1726         }
1727         items.push_back (MenuElem (_("Remove Sync Point"), sigc::mem_fun(*this, &Editor::remove_region_sync)));
1728         items.push_back (SeparatorElem());
1729
1730         items.push_back (MenuElem (_("Audition"), sigc::mem_fun(*this, &Editor::play_selected_region)));
1731         items.push_back (MenuElem (_("Export..."), sigc::mem_fun(*this, &Editor::export_region)));
1732         items.push_back (MenuElem (_("Bounce"), sigc::mem_fun(*this, &Editor::bounce_region_selection)));
1733
1734         if (ar) {
1735                 items.push_back (MenuElem (_("Spectral Analysis..."), sigc::mem_fun(*this, &Editor::analyze_region_selection)));
1736         }
1737
1738         items.push_back (SeparatorElem());
1739
1740         sigc::connection fooc;
1741         boost::shared_ptr<Region> region_to_check;
1742
1743         if (region) {
1744                 region_to_check = region;
1745         } else {
1746                 region_to_check = selection->regions.front()->region();
1747         }
1748
1749         items.push_back (CheckMenuElem (_("Lock")));
1750         CheckMenuItem* region_lock_item = static_cast<CheckMenuItem*>(&items.back());
1751         if (region_to_check->locked()) {
1752                 region_lock_item->set_active();
1753         }
1754         region_lock_item->signal_activate().connect (sigc::mem_fun(*this, &Editor::toggle_region_lock));
1755
1756         items.push_back (CheckMenuElem (_("Glue to Bars and Beats")));
1757         CheckMenuItem* bbt_glue_item = static_cast<CheckMenuItem*>(&items.back());
1758
1759         switch (region_to_check->positional_lock_style()) {
1760         case Region::MusicTime:
1761                 bbt_glue_item->set_active (true);
1762                 break;
1763         default:
1764                 bbt_glue_item->set_active (false);
1765                 break;
1766         }
1767
1768         bbt_glue_item->signal_activate().connect (sigc::mem_fun (*this, &Editor::toggle_region_lock_style));
1769
1770         items.push_back (CheckMenuElem (_("Mute")));
1771         CheckMenuItem* region_mute_item = static_cast<CheckMenuItem*>(&items.back());
1772         fooc = region_mute_item->signal_activate().connect (sigc::mem_fun(*this, &Editor::toggle_region_mute));
1773         if (region_to_check->muted()) {
1774                 fooc.block (true);
1775                 region_mute_item->set_active();
1776                 fooc.block (false);
1777         }
1778
1779         items.push_back (MenuElem (_("Transpose..."), mem_fun(*this, &Editor::pitch_shift_regions)));
1780
1781         if (!Profile->get_sae()) {
1782                 items.push_back (CheckMenuElem (_("Opaque")));
1783                 CheckMenuItem* region_opaque_item = static_cast<CheckMenuItem*>(&items.back());
1784                 fooc = region_opaque_item->signal_activate().connect (sigc::mem_fun(*this, &Editor::toggle_region_opaque));
1785                 if (region_to_check->opaque()) {
1786                         fooc.block (true);
1787                         region_opaque_item->set_active();
1788                         fooc.block (false);
1789                 }
1790         }
1791
1792         items.push_back (CheckMenuElem (_("Original Position"), sigc::mem_fun(*this, &Editor::naturalize)));
1793         if (region_to_check->at_natural_position()) {
1794                 items.back().set_sensitive (false);
1795         }
1796
1797         items.push_back (SeparatorElem());
1798
1799         if (ar) {
1800
1801                 RegionView* rv = sv->find_view (ar);
1802                 AudioRegionView* arv = dynamic_cast<AudioRegionView*>(rv);
1803
1804                 if (!Profile->get_sae()) {
1805                         items.push_back (MenuElem (_("Reset Envelope"), sigc::mem_fun(*this, &Editor::reset_region_gain_envelopes)));
1806
1807                         items.push_back (CheckMenuElem (_("Envelope Visible")));
1808                         CheckMenuItem* region_envelope_visible_item = static_cast<CheckMenuItem*> (&items.back());
1809                         fooc = region_envelope_visible_item->signal_activate().connect (sigc::mem_fun(*this, &Editor::toggle_gain_envelope_visibility));
1810                         if (arv->envelope_visible()) {
1811                                 fooc.block (true);
1812                                 region_envelope_visible_item->set_active (true);
1813                                 fooc.block (false);
1814                         }
1815
1816                         items.push_back (CheckMenuElem (_("Envelope Active")));
1817                         CheckMenuItem* region_envelope_active_item = static_cast<CheckMenuItem*> (&items.back());
1818                         fooc = region_envelope_active_item->signal_activate().connect (sigc::mem_fun(*this, &Editor::toggle_gain_envelope_active));
1819
1820                         if (ar->envelope_active()) {
1821                                 fooc.block (true);
1822                                 region_envelope_active_item->set_active (true);
1823                                 fooc.block (false);
1824                         }
1825
1826                         items.push_back (SeparatorElem());
1827                 }
1828
1829                 items.push_back (MenuElem (_("Normalize..."), sigc::mem_fun(*this, &Editor::normalize_region)));
1830                 if (ar->scale_amplitude() != 1) {
1831                         items.push_back (MenuElem (_("Reset Gain"), sigc::mem_fun(*this, &Editor::reset_region_scale_amplitude)));
1832                 }
1833
1834         } else if (mr) {
1835                 items.push_back (MenuElem (_("Quantize"), sigc::mem_fun(*this, &Editor::quantize_region)));
1836                 items.push_back (MenuElem (_("Fork"), sigc::mem_fun(*this, &Editor::fork_region)));
1837                 items.push_back (SeparatorElem());
1838         }
1839
1840         items.push_back (MenuElem (_("Strip Silence..."), sigc::mem_fun (*this, &Editor::strip_region_silence)));
1841         items.push_back (MenuElem (_("Reverse"), sigc::mem_fun(*this, &Editor::reverse_region)));
1842         items.push_back (SeparatorElem());
1843
1844         /* range related stuff */
1845
1846         items.push_back (MenuElem (_("Add Single Range"), sigc::mem_fun (*this, &Editor::add_location_from_audio_region)));
1847         items.push_back (MenuElem (_("Add Range Markers"), sigc::mem_fun (*this, &Editor::add_locations_from_audio_region)));
1848         if (selection->regions.size() < 2) {
1849                 items.back().set_sensitive (false);
1850         }
1851
1852         items.push_back (MenuElem (_("Set Range Selection"), sigc::mem_fun (*this, &Editor::set_selection_from_region)));
1853         items.push_back (SeparatorElem());
1854
1855         /* Nudge region */
1856
1857         Menu *nudge_menu = manage (new Menu());
1858         MenuList& nudge_items = nudge_menu->items();
1859         nudge_menu->set_name ("ArdourContextMenu");
1860
1861         nudge_items.push_back (MenuElem (_("Nudge Forward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_forward), false, false))));
1862         nudge_items.push_back (MenuElem (_("Nudge Backward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_backward), false, false))));
1863         nudge_items.push_back (MenuElem (_("Nudge Forward by Capture Offset"), (sigc::mem_fun(*this, &Editor::nudge_forward_capture_offset))));
1864         nudge_items.push_back (MenuElem (_("Nudge Backward by Capture Offset"), (sigc::mem_fun(*this, &Editor::nudge_backward_capture_offset))));
1865
1866         items.push_back (MenuElem (_("Nudge"), *nudge_menu));
1867         items.push_back (SeparatorElem());
1868
1869         Menu *trim_menu = manage (new Menu);
1870         MenuList& trim_items = trim_menu->items();
1871         trim_menu->set_name ("ArdourContextMenu");
1872
1873         trim_items.push_back (MenuElem (_("Start to Edit Point"), sigc::mem_fun(*this, &Editor::trim_region_from_edit_point)));
1874         foo_item = &trim_items.back();
1875         if (_edit_point == EditAtMouse) {
1876                 foo_item->set_sensitive (false);
1877         }
1878         trim_items.push_back (MenuElem (_("Edit Point to End"), sigc::mem_fun(*this, &Editor::trim_region_to_edit_point)));
1879         foo_item = &trim_items.back();
1880         if (_edit_point == EditAtMouse) {
1881                 foo_item->set_sensitive (false);
1882         }
1883         trim_items.push_back (MenuElem (_("Trim to Loop"), sigc::mem_fun(*this, &Editor::trim_region_to_loop)));
1884         trim_items.push_back (MenuElem (_("Trim to Punch"), sigc::mem_fun(*this, &Editor::trim_region_to_punch)));
1885
1886         items.push_back (MenuElem (_("Trim"), *trim_menu));
1887         items.push_back (SeparatorElem());
1888
1889         items.push_back (MenuElem (_("Split"), (sigc::mem_fun(*this, &Editor::split))));
1890         region_edit_menu_split_item = &items.back();
1891
1892         if (_edit_point == EditAtMouse) {
1893                 region_edit_menu_split_item->set_sensitive (false);
1894         }
1895
1896         items.push_back (MenuElem (_("Make Mono Regions"), (sigc::mem_fun(*this, &Editor::split_multichannel_region))));
1897         region_edit_menu_split_multichannel_item = &items.back();
1898
1899         items.push_back (MenuElem (_("Duplicate"), (sigc::bind (sigc::mem_fun(*this, &Editor::duplicate_dialog), false))));
1900         items.push_back (MenuElem (_("Multi-Duplicate..."), (sigc::bind (sigc::mem_fun(*this, &Editor::duplicate_dialog), true))));
1901         items.push_back (MenuElem (_("Fill Track"), (sigc::mem_fun(*this, &Editor::region_fill_track))));
1902         items.push_back (SeparatorElem());
1903         items.push_back (MenuElem (_("Remove"), sigc::mem_fun(*this, &Editor::remove_selected_regions)));
1904
1905         /* OK, stick the region submenu at the top of the list, and then add
1906            the standard items.
1907         */
1908
1909         /* we have to hack up the region name because "_" has a special
1910            meaning for menu titles.
1911         */
1912
1913         string::size_type pos = 0;
1914         string menu_item_name = (region) ? region->name() : _("Selected Regions");
1915
1916         while ((pos = menu_item_name.find ("_", pos)) != string::npos) {
1917                 menu_item_name.replace (pos, 1, "__");
1918                 pos += 2;
1919         }
1920
1921         edit_items.push_back (MenuElem (menu_item_name, *region_menu));
1922         edit_items.push_back (SeparatorElem());
1923 }
1924
1925 /** Add context menu items relevant to selection ranges.
1926  * @param edit_items List to add the items to.
1927  */
1928 void
1929 Editor::add_selection_context_items (Menu_Helpers::MenuList& edit_items)
1930 {
1931         using namespace Menu_Helpers;
1932
1933         edit_items.push_back (MenuElem (_("Play Range"), sigc::mem_fun(*this, &Editor::play_selection)));
1934         edit_items.push_back (MenuElem (_("Loop Range"), sigc::bind (sigc::mem_fun(*this, &Editor::set_loop_from_selection), true)));
1935
1936         edit_items.push_back (SeparatorElem());
1937         edit_items.push_back (MenuElem (_("Spectral Analysis"), sigc::mem_fun(*this, &Editor::analyze_range_selection)));
1938
1939         if (!selection->regions.empty()) {
1940                 edit_items.push_back (SeparatorElem());
1941                 edit_items.push_back (MenuElem (_("Extend Range to End of Region"), sigc::bind (sigc::mem_fun(*this, &Editor::extend_selection_to_end_of_region), false)));
1942                 edit_items.push_back (MenuElem (_("Extend Range to Start of Region"), sigc::bind (sigc::mem_fun(*this, &Editor::extend_selection_to_start_of_region), false)));
1943         }
1944
1945         edit_items.push_back (SeparatorElem());
1946         edit_items.push_back (MenuElem (_("Silence Range"), sigc::mem_fun(*this, &Editor::separate_region_from_selection)));
1947         edit_items.push_back (MenuElem (_("Convert to Region in Region List"), sigc::mem_fun(*this, &Editor::new_region_from_selection)));
1948
1949         edit_items.push_back (SeparatorElem());
1950         edit_items.push_back (MenuElem (_("Select All in Range"), sigc::mem_fun(*this, &Editor::select_all_selectables_using_time_selection)));
1951
1952         edit_items.push_back (SeparatorElem());
1953         edit_items.push_back (MenuElem (_("Set Loop from Range"), sigc::bind (sigc::mem_fun(*this, &Editor::set_loop_from_selection), false)));
1954         edit_items.push_back (MenuElem (_("Set Punch from Range"), sigc::mem_fun(*this, &Editor::set_punch_from_selection)));
1955
1956         edit_items.push_back (SeparatorElem());
1957         edit_items.push_back (MenuElem (_("Add Range Markers"), sigc::mem_fun (*this, &Editor::add_location_from_selection)));
1958
1959         edit_items.push_back (SeparatorElem());
1960         edit_items.push_back (MenuElem (_("Crop Region to Range"), sigc::mem_fun(*this, &Editor::crop_region_to_selection)));
1961         edit_items.push_back (MenuElem (_("Fill Range with Region"), sigc::mem_fun(*this, &Editor::region_fill_selection)));
1962         edit_items.push_back (MenuElem (_("Duplicate Range"), sigc::bind (sigc::mem_fun(*this, &Editor::duplicate_dialog), false)));
1963
1964         edit_items.push_back (SeparatorElem());
1965         edit_items.push_back (MenuElem (_("Consolidate Range"), sigc::bind (sigc::mem_fun(*this, &Editor::bounce_range_selection), true, false)));
1966         edit_items.push_back (MenuElem (_("Consolidate Range With Processing"), sigc::bind (sigc::mem_fun(*this, &Editor::bounce_range_selection), true, true)));
1967         edit_items.push_back (MenuElem (_("Bounce Range to Region List"), sigc::bind (sigc::mem_fun(*this, &Editor::bounce_range_selection), false, false)));
1968         edit_items.push_back (MenuElem (_("Bounce Range to Region List With Processing"), sigc::bind (sigc::mem_fun(*this, &Editor::bounce_range_selection), false, true)));
1969         edit_items.push_back (MenuElem (_("Export Range"), sigc::mem_fun(*this, &Editor::export_selection)));
1970 }
1971
1972
1973 void
1974 Editor::add_dstream_context_items (Menu_Helpers::MenuList& edit_items)
1975 {
1976         using namespace Menu_Helpers;
1977
1978         /* Playback */
1979
1980         Menu *play_menu = manage (new Menu);
1981         MenuList& play_items = play_menu->items();
1982         play_menu->set_name ("ArdourContextMenu");
1983
1984         play_items.push_back (MenuElem (_("Play From Edit Point"), sigc::mem_fun(*this, &Editor::play_from_edit_point)));
1985         play_items.push_back (MenuElem (_("Play From Start"), sigc::mem_fun(*this, &Editor::play_from_start)));
1986         play_items.push_back (MenuElem (_("Play Region"), sigc::mem_fun(*this, &Editor::play_selected_region)));
1987         play_items.push_back (SeparatorElem());
1988         play_items.push_back (MenuElem (_("Loop Region"), sigc::mem_fun(*this, &Editor::loop_selected_region)));
1989
1990         edit_items.push_back (MenuElem (_("Play"), *play_menu));
1991
1992         /* Selection */
1993
1994         Menu *select_menu = manage (new Menu);
1995         MenuList& select_items = select_menu->items();
1996         select_menu->set_name ("ArdourContextMenu");
1997
1998         select_items.push_back (MenuElem (_("Select All in Track"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
1999         select_items.push_back (MenuElem (_("Select All"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all), Selection::Set)));
2000         select_items.push_back (MenuElem (_("Invert Selection in Track"), sigc::mem_fun(*this, &Editor::invert_selection_in_track)));
2001         select_items.push_back (MenuElem (_("Invert Selection"), sigc::mem_fun(*this, &Editor::invert_selection)));
2002         select_items.push_back (SeparatorElem());
2003         select_items.push_back (MenuElem (_("Set Range to Loop Range"), sigc::mem_fun(*this, &Editor::set_selection_from_loop)));
2004         select_items.push_back (MenuElem (_("Set Range to Punch Range"), sigc::mem_fun(*this, &Editor::set_selection_from_punch)));
2005         select_items.push_back (SeparatorElem());
2006         select_items.push_back (MenuElem (_("Select All After Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_edit), true)));
2007         select_items.push_back (MenuElem (_("Select All Before Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_edit), false)));
2008         select_items.push_back (MenuElem (_("Select All After Playhead"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
2009         select_items.push_back (MenuElem (_("Select All Before Playhead"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
2010         select_items.push_back (MenuElem (_("Select All Between Playhead and Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_between), false)));
2011         select_items.push_back (MenuElem (_("Select All Within Playhead and Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_between), true)));
2012         select_items.push_back (MenuElem (_("Select Range Between Playhead and Edit Point"), sigc::mem_fun(*this, &Editor::select_range_between)));
2013
2014         edit_items.push_back (MenuElem (_("Select"), *select_menu));
2015
2016         /* Cut-n-Paste */
2017
2018         Menu *cutnpaste_menu = manage (new Menu);
2019         MenuList& cutnpaste_items = cutnpaste_menu->items();
2020         cutnpaste_menu->set_name ("ArdourContextMenu");
2021
2022         cutnpaste_items.push_back (MenuElem (_("Cut"), sigc::mem_fun(*this, &Editor::cut)));
2023         cutnpaste_items.push_back (MenuElem (_("Copy"), sigc::mem_fun(*this, &Editor::copy)));
2024         cutnpaste_items.push_back (MenuElem (_("Paste"), sigc::bind (sigc::mem_fun(*this, &Editor::paste), 1.0f)));
2025
2026         cutnpaste_items.push_back (SeparatorElem());
2027
2028         cutnpaste_items.push_back (MenuElem (_("Align"), sigc::bind (sigc::mem_fun(*this, &Editor::align), ARDOUR::SyncPoint)));
2029         cutnpaste_items.push_back (MenuElem (_("Align Relative"), sigc::bind (sigc::mem_fun(*this, &Editor::align_relative), ARDOUR::SyncPoint)));
2030
2031         edit_items.push_back (MenuElem (_("Edit"), *cutnpaste_menu));
2032
2033         /* Adding new material */
2034
2035         edit_items.push_back (SeparatorElem());
2036         edit_items.push_back (MenuElem (_("Insert Selected Region"), sigc::bind (sigc::mem_fun(*this, &Editor::insert_region_list_selection), 1.0f)));
2037         edit_items.push_back (MenuElem (_("Insert Existing Media"), sigc::bind (sigc::mem_fun(*this, &Editor::add_external_audio_action), ImportToTrack)));
2038
2039         /* Nudge track */
2040
2041         Menu *nudge_menu = manage (new Menu());
2042         MenuList& nudge_items = nudge_menu->items();
2043         nudge_menu->set_name ("ArdourContextMenu");
2044
2045         edit_items.push_back (SeparatorElem());
2046         nudge_items.push_back (MenuElem (_("Nudge Entire Track Forward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), false, true))));
2047         nudge_items.push_back (MenuElem (_("Nudge Track After Edit Point Forward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), true, true))));
2048         nudge_items.push_back (MenuElem (_("Nudge Entire Track Backward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), false, false))));
2049         nudge_items.push_back (MenuElem (_("Nudge Track After Edit Point Backward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), true, false))));
2050
2051         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
2052 }
2053
2054 void
2055 Editor::add_bus_context_items (Menu_Helpers::MenuList& edit_items)
2056 {
2057         using namespace Menu_Helpers;
2058
2059         /* Playback */
2060
2061         Menu *play_menu = manage (new Menu);
2062         MenuList& play_items = play_menu->items();
2063         play_menu->set_name ("ArdourContextMenu");
2064
2065         play_items.push_back (MenuElem (_("Play From Edit Point"), sigc::mem_fun(*this, &Editor::play_from_edit_point)));
2066         play_items.push_back (MenuElem (_("Play From Start"), sigc::mem_fun(*this, &Editor::play_from_start)));
2067         edit_items.push_back (MenuElem (_("Play"), *play_menu));
2068
2069         /* Selection */
2070
2071         Menu *select_menu = manage (new Menu);
2072         MenuList& select_items = select_menu->items();
2073         select_menu->set_name ("ArdourContextMenu");
2074
2075         select_items.push_back (MenuElem (_("Select All in Track"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
2076         select_items.push_back (MenuElem (_("Select All"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all), Selection::Set)));
2077         select_items.push_back (MenuElem (_("Invert Selection in Track"), sigc::mem_fun(*this, &Editor::invert_selection_in_track)));
2078         select_items.push_back (MenuElem (_("Invert Selection"), sigc::mem_fun(*this, &Editor::invert_selection)));
2079         select_items.push_back (SeparatorElem());
2080         select_items.push_back (MenuElem (_("Select All After Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_edit), true)));
2081         select_items.push_back (MenuElem (_("Select All Before Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_edit), false)));
2082         select_items.push_back (MenuElem (_("Select All After Playhead"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
2083         select_items.push_back (MenuElem (_("Select All Before Playhead"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
2084
2085         edit_items.push_back (MenuElem (_("Select"), *select_menu));
2086
2087         /* Cut-n-Paste */
2088
2089         Menu *cutnpaste_menu = manage (new Menu);
2090         MenuList& cutnpaste_items = cutnpaste_menu->items();
2091         cutnpaste_menu->set_name ("ArdourContextMenu");
2092
2093         cutnpaste_items.push_back (MenuElem (_("Cut"), sigc::mem_fun(*this, &Editor::cut)));
2094         cutnpaste_items.push_back (MenuElem (_("Copy"), sigc::mem_fun(*this, &Editor::copy)));
2095         cutnpaste_items.push_back (MenuElem (_("Paste"), sigc::bind (sigc::mem_fun(*this, &Editor::paste), 1.0f)));
2096
2097         Menu *nudge_menu = manage (new Menu());
2098         MenuList& nudge_items = nudge_menu->items();
2099         nudge_menu->set_name ("ArdourContextMenu");
2100
2101         edit_items.push_back (SeparatorElem());
2102         nudge_items.push_back (MenuElem (_("Nudge Entire Track Forward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), false, true))));
2103         nudge_items.push_back (MenuElem (_("Nudge Track After Edit Point Forward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), true, true))));
2104         nudge_items.push_back (MenuElem (_("Nudge Entire Track Backward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), false, false))));
2105         nudge_items.push_back (MenuElem (_("Nudge Track After Edit Point Backward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), true, false))));
2106
2107         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
2108 }
2109
2110 SnapType
2111 Editor::snap_type() const
2112 {
2113         return _snap_type;
2114 }
2115
2116 SnapMode
2117 Editor::snap_mode() const
2118 {
2119         return _snap_mode;
2120 }
2121
2122 void
2123 Editor::set_snap_to (SnapType st)
2124 {
2125         unsigned int snap_ind = (unsigned int)st;
2126
2127         _snap_type = st;
2128
2129         if (snap_ind > snap_type_strings.size() - 1) {
2130                 snap_ind = 0;
2131                 _snap_type = (SnapType)snap_ind;
2132         }
2133
2134         string str = snap_type_strings[snap_ind];
2135
2136         if (str != snap_type_selector.get_active_text()) {
2137                 snap_type_selector.set_active_text (str);
2138         }
2139
2140         instant_save ();
2141
2142         switch (_snap_type) {
2143         case SnapToBeatDiv32:
2144         case SnapToBeatDiv28:
2145         case SnapToBeatDiv24:
2146         case SnapToBeatDiv16:
2147         case SnapToBeatDiv14:
2148         case SnapToBeatDiv12:
2149         case SnapToBeatDiv10:
2150         case SnapToBeatDiv8:
2151         case SnapToBeatDiv7:
2152         case SnapToBeatDiv6:
2153         case SnapToBeatDiv5:
2154         case SnapToBeatDiv4:
2155         case SnapToBeatDiv3:
2156         case SnapToBeatDiv2:
2157                 compute_bbt_ruler_scale (leftmost_frame, leftmost_frame + current_page_frames());
2158                 update_tempo_based_rulers ();
2159                 break;
2160
2161         case SnapToRegionStart:
2162         case SnapToRegionEnd:
2163         case SnapToRegionSync:
2164         case SnapToRegionBoundary:
2165                 build_region_boundary_cache ();
2166                 break;
2167
2168         default:
2169                 /* relax */
2170                 break;
2171         }
2172
2173         SnapChanged (); /* EMIT SIGNAL */
2174 }
2175
2176 void
2177 Editor::set_snap_mode (SnapMode mode)
2178 {
2179         _snap_mode = mode;
2180         string str = snap_mode_strings[(int)mode];
2181
2182         if (str != snap_mode_selector.get_active_text ()) {
2183                 snap_mode_selector.set_active_text (str);
2184         }
2185
2186         instant_save ();
2187 }
2188 void
2189 Editor::set_edit_point_preference (EditPoint ep, bool force)
2190 {
2191         bool changed = (_edit_point != ep);
2192
2193         _edit_point = ep;
2194         string str = edit_point_strings[(int)ep];
2195
2196         if (str != edit_point_selector.get_active_text ()) {
2197                 edit_point_selector.set_active_text (str);
2198         }
2199
2200         set_canvas_cursor ();
2201
2202         if (!force && !changed) {
2203                 return;
2204         }
2205
2206         const char* action=NULL;
2207
2208         switch (_edit_point) {
2209         case EditAtPlayhead:
2210                 action = "edit-at-playhead";
2211                 break;
2212         case EditAtSelectedMarker:
2213                 action = "edit-at-marker";
2214                 break;
2215         case EditAtMouse:
2216                 action = "edit-at-mouse";
2217                 break;
2218         }
2219
2220         Glib::RefPtr<Action> act = ActionManager::get_action ("Editor", action);
2221         if (act) {
2222                 Glib::RefPtr<RadioAction>::cast_dynamic(act)->set_active (true);
2223         }
2224
2225         nframes64_t foo;
2226         bool in_track_canvas;
2227
2228         if (!mouse_frame (foo, in_track_canvas)) {
2229                 in_track_canvas = false;
2230         }
2231
2232         reset_canvas_action_sensitivity (in_track_canvas);
2233
2234         instant_save ();
2235 }
2236
2237 int
2238 Editor::set_state (const XMLNode& node, int /*version*/)
2239 {
2240         const XMLProperty* prop;
2241         XMLNode* geometry;
2242         int x, y, xoff, yoff;
2243         Gdk::Geometry g;
2244
2245         if ((prop = node.property ("id")) != 0) {
2246                 _id = prop->value ();
2247         }
2248
2249         g.base_width = default_width;
2250         g.base_height = default_height;
2251         x = 1;
2252         y = 1;
2253         xoff = 0;
2254         yoff = 21;
2255
2256         if ((geometry = find_named_node (node, "geometry")) != 0) {
2257
2258                 XMLProperty* prop;
2259
2260                 if ((prop = geometry->property("x_size")) == 0) {
2261                         prop = geometry->property ("x-size");
2262                 }
2263                 if (prop) {
2264                         g.base_width = atoi(prop->value());
2265                 }
2266                 if ((prop = geometry->property("y_size")) == 0) {
2267                         prop = geometry->property ("y-size");
2268                 }
2269                 if (prop) {
2270                         g.base_height = atoi(prop->value());
2271                 }
2272
2273                 if ((prop = geometry->property ("x_pos")) == 0) {
2274                         prop = geometry->property ("x-pos");
2275                 }
2276                 if (prop) {
2277                         x = atoi (prop->value());
2278
2279                 }
2280                 if ((prop = geometry->property ("y_pos")) == 0) {
2281                         prop = geometry->property ("y-pos");
2282                 }
2283                 if (prop) {
2284                         y = atoi (prop->value());
2285                 }
2286
2287                 if ((prop = geometry->property ("x_off")) == 0) {
2288                         prop = geometry->property ("x-off");
2289                 }
2290                 if (prop) {
2291                         xoff = atoi (prop->value());
2292                 }
2293                 if ((prop = geometry->property ("y_off")) == 0) {
2294                         prop = geometry->property ("y-off");
2295                 }
2296                 if (prop) {
2297                         yoff = atoi (prop->value());
2298                 }
2299         }
2300
2301         set_default_size (g.base_width, g.base_height);
2302         move (x, y);
2303
2304         if (_session && (prop = node.property ("playhead"))) {
2305                 nframes64_t pos;
2306                 sscanf (prop->value().c_str(), "%" PRIi64, &pos);
2307                 playhead_cursor->set_position (pos);
2308         } else {
2309                 playhead_cursor->set_position (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                 set_mouse_mode (m, true);
2335         } else {
2336                 set_mouse_mode (MouseObject, true);
2337         }
2338
2339         if ((prop = node.property ("left-frame")) != 0){
2340                 nframes64_t pos;
2341                 if (sscanf (prop->value().c_str(), "%" PRId64, &pos) == 1) {
2342                         reset_x_origin (pos);
2343                 }
2344         }
2345
2346         if ((prop = node.property ("y-origin")) != 0) {
2347                 reset_y_origin (atof (prop->value ()));
2348         }
2349
2350         if ((prop = node.property ("internal-edit"))) {
2351                 bool yn = string_is_affirmative (prop->value());
2352                 RefPtr<Action> act = ActionManager::get_action (X_("MouseMode"), X_("toggle-internal-edit"));
2353                 if (act) {
2354                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2355                         tact->set_active (!yn);
2356                         tact->set_active (yn);
2357                 }
2358         }
2359
2360         if ((prop = node.property ("join-object-range"))) {
2361                 join_object_range_button.set_active (string_is_affirmative (prop->value ()));
2362         }
2363
2364         if ((prop = node.property ("edit-point"))) {
2365                 set_edit_point_preference ((EditPoint) string_2_enum (prop->value(), _edit_point), true);
2366         }
2367
2368         if ((prop = node.property ("show-measures"))) {
2369                 bool yn = string_is_affirmative (prop->value());
2370                 _show_measures = !yn;
2371                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleMeasureVisibility"));
2372                 if (act) {
2373                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2374                         /* do it twice to force the change */
2375                         tact->set_active (!yn);
2376                         tact->set_active (yn);
2377                 }
2378         }
2379
2380         if ((prop = node.property ("follow-playhead"))) {
2381                 bool yn = string_is_affirmative (prop->value());
2382                 set_follow_playhead (yn);
2383                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
2384                 if (act) {
2385                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2386                         if (tact->get_active() != yn) {
2387                                 tact->set_active (yn);
2388                         }
2389                 }
2390         }
2391
2392         if ((prop = node.property ("stationary-playhead"))) {
2393                 bool yn = (prop->value() == "yes");
2394                 set_stationary_playhead (yn);
2395                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-stationary-playhead"));
2396                 if (act) {
2397                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2398                         if (tact->get_active() != yn) {
2399                                 tact->set_active (yn);
2400                         }
2401                 }
2402         }
2403
2404         if ((prop = node.property ("region-list-sort-type"))) {
2405                 RegionListSortType st;
2406                 _regions->reset_sort_type ((RegionListSortType) string_2_enum (prop->value(), st), true);
2407         }
2408
2409         if ((prop = node.property ("xfades-visible"))) {
2410                 bool yn = string_is_affirmative (prop->value());
2411                 _xfade_visibility = !yn;
2412                 // set_xfade_visibility (yn);
2413         }
2414
2415         if ((prop = node.property ("show-editor-mixer"))) {
2416
2417                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2418                 if (act) {
2419
2420                         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2421                         bool yn = string_is_affirmative (prop->value());
2422
2423                         /* do it twice to force the change */
2424
2425                         tact->set_active (!yn);
2426                         tact->set_active (yn);
2427                 }
2428         }
2429
2430         if ((prop = node.property ("show-editor-list"))) {
2431
2432                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-list"));
2433                 assert(act);
2434                 if (act) {
2435
2436                         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2437                         bool yn = string_is_affirmative (prop->value());
2438
2439                         /* do it twice to force the change */
2440
2441                         tact->set_active (!yn);
2442                         tact->set_active (yn);
2443                 }
2444         }
2445
2446         if ((prop = node.property (X_("editor-list-page")))) {
2447                 the_notebook.set_current_page (atoi (prop->value ()));
2448         }
2449
2450         return 0;
2451 }
2452
2453 XMLNode&
2454 Editor::get_state ()
2455 {
2456         XMLNode* node = new XMLNode ("Editor");
2457         char buf[32];
2458
2459         _id.print (buf, sizeof (buf));
2460         node->add_property ("id", buf);
2461
2462         if (is_realized()) {
2463                 Glib::RefPtr<Gdk::Window> win = get_window();
2464
2465                 int x, y, xoff, yoff, width, height;
2466                 win->get_root_origin(x, y);
2467                 win->get_position(xoff, yoff);
2468                 win->get_size(width, height);
2469
2470                 XMLNode* geometry = new XMLNode ("geometry");
2471
2472                 snprintf(buf, sizeof(buf), "%d", width);
2473                 geometry->add_property("x-size", string(buf));
2474                 snprintf(buf, sizeof(buf), "%d", height);
2475                 geometry->add_property("y-size", string(buf));
2476                 snprintf(buf, sizeof(buf), "%d", x);
2477                 geometry->add_property("x-pos", string(buf));
2478                 snprintf(buf, sizeof(buf), "%d", y);
2479                 geometry->add_property("y-pos", string(buf));
2480                 snprintf(buf, sizeof(buf), "%d", xoff);
2481                 geometry->add_property("x-off", string(buf));
2482                 snprintf(buf, sizeof(buf), "%d", yoff);
2483                 geometry->add_property("y-off", string(buf));
2484                 snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (static_cast<Paned*>(&edit_pane)->gobj()));
2485                 geometry->add_property("edit-horizontal-pane-pos", string(buf));
2486                 snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (static_cast<Paned*>(&editor_summary_pane)->gobj()));
2487                 geometry->add_property("edit-vertical-pane-pos", string(buf));
2488
2489                 node->add_child_nocopy (*geometry);
2490         }
2491
2492         maybe_add_mixer_strip_width (*node);
2493
2494         snprintf (buf, sizeof(buf), "%d", (int) zoom_focus);
2495         node->add_property ("zoom-focus", buf);
2496         snprintf (buf, sizeof(buf), "%f", frames_per_unit);
2497         node->add_property ("zoom", buf);
2498         snprintf (buf, sizeof(buf), "%d", (int) _snap_type);
2499         node->add_property ("snap-to", buf);
2500         snprintf (buf, sizeof(buf), "%d", (int) _snap_mode);
2501         node->add_property ("snap-mode", buf);
2502
2503         node->add_property ("edit-point", enum_2_string (_edit_point));
2504
2505         snprintf (buf, sizeof (buf), "%" PRIi64, playhead_cursor->current_frame);
2506         node->add_property ("playhead", buf);
2507         snprintf (buf, sizeof (buf), "%" PRIi64, leftmost_frame);
2508         node->add_property ("left-frame", buf);
2509         snprintf (buf, sizeof (buf), "%f", vertical_adjustment.get_value ());
2510         node->add_property ("y-origin", buf);
2511
2512         node->add_property ("show-measures", _show_measures ? "yes" : "no");
2513         node->add_property ("follow-playhead", _follow_playhead ? "yes" : "no");
2514         node->add_property ("stationary-playhead", _stationary_playhead ? "yes" : "no");
2515         node->add_property ("xfades-visible", _xfade_visibility ? "yes" : "no");
2516         node->add_property ("region-list-sort-type", enum_2_string (_regions->sort_type ()));
2517         node->add_property ("mouse-mode", enum2str(mouse_mode));
2518         node->add_property ("internal-edit", _internal_editing ? "yes" : "no");
2519         node->add_property ("join-object-range", join_object_range_button.get_active () ? "yes" : "no");
2520
2521         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2522         if (act) {
2523                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2524                 node->add_property (X_("show-editor-mixer"), tact->get_active() ? "yes" : "no");
2525         }
2526
2527         act = ActionManager::get_action (X_("Editor"), X_("show-editor-list"));
2528         if (act) {
2529                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2530                 node->add_property (X_("show-editor-list"), tact->get_active() ? "yes" : "no");
2531         }
2532
2533         snprintf (buf, sizeof (buf), "%d", the_notebook.get_current_page ());
2534         node->add_property (X_("editor-list-page"), buf);
2535
2536         return *node;
2537 }
2538
2539
2540
2541 /** @param y y offset from the top of all trackviews.
2542  *  @return pair: TimeAxisView that y is over, layer index.
2543  *  TimeAxisView may be 0.  Layer index is the layer number if the TimeAxisView is valid and is
2544  *  in stacked region display mode, otherwise 0.
2545  */
2546 std::pair<TimeAxisView *, layer_t>
2547 Editor::trackview_by_y_position (double y)
2548 {
2549         for (TrackViewList::iterator iter = track_views.begin(); iter != track_views.end(); ++iter) {
2550
2551                 std::pair<TimeAxisView*, int> const r = (*iter)->covers_y_position (y);
2552                 if (r.first) {
2553                         return r;
2554                 }
2555         }
2556
2557         return std::make_pair ( (TimeAxisView *) 0, 0);
2558 }
2559
2560 /** Snap a position to the grid, if appropriate, taking into account current
2561  *  grid settings and also the state of any snap modifier keys that may be pressed.
2562  *  @param start Position to snap.
2563  *  @param event Event to get current key modifier information from, or 0.
2564  */
2565 void
2566 Editor::snap_to_with_modifier (nframes64_t& start, GdkEvent const * event, int32_t direction, bool for_mark)
2567 {
2568         if (!_session || !event) {
2569                 return;
2570         }
2571
2572         if (Keyboard::modifier_state_contains (event->button.state, Keyboard::snap_modifier())) {
2573                 if (_snap_mode == SnapOff) {
2574                         snap_to_internal (start, direction, for_mark);
2575                 }
2576         } else {
2577                 if (_snap_mode != SnapOff) {
2578                         snap_to_internal (start, direction, for_mark);
2579                 }
2580         }
2581 }
2582
2583 void
2584 Editor::snap_to (nframes64_t& start, int32_t direction, bool for_mark)
2585 {
2586         if (!_session || _snap_mode == SnapOff) {
2587                 return;
2588         }
2589
2590         snap_to_internal (start, direction, for_mark);
2591 }
2592
2593 void
2594 Editor::timecode_snap_to_internal (nframes64_t& start, int32_t direction, bool /*for_mark*/)
2595 {
2596         const nframes64_t one_timecode_second = (nframes64_t)(rint(_session->timecode_frames_per_second()) * _session->frames_per_timecode_frame());
2597         nframes64_t one_timecode_minute = (nframes64_t)(rint(_session->timecode_frames_per_second()) * _session->frames_per_timecode_frame() * 60);
2598
2599         switch (_snap_type) {
2600         case SnapToTimecodeFrame:
2601                 if (((direction == 0) && (fmod((double)start, (double)_session->frames_per_timecode_frame()) > (_session->frames_per_timecode_frame() / 2))) || (direction > 0)) {
2602                         start = (nframes64_t) (ceil ((double) start / _session->frames_per_timecode_frame()) * _session->frames_per_timecode_frame());
2603                 } else {
2604                         start = (nframes64_t) (floor ((double) start / _session->frames_per_timecode_frame()) *  _session->frames_per_timecode_frame());
2605                 }
2606                 break;
2607
2608         case SnapToTimecodeSeconds:
2609                 if (_session->timecode_offset_negative())
2610                 {
2611                         start += _session->timecode_offset ();
2612                 } else {
2613                         start -= _session->timecode_offset ();
2614                 }
2615                 if (((direction == 0) && (start % one_timecode_second > one_timecode_second / 2)) || direction > 0) {
2616                         start = (nframes64_t) ceil ((double) start / one_timecode_second) * one_timecode_second;
2617                 } else {
2618                         start = (nframes64_t) floor ((double) start / one_timecode_second) * one_timecode_second;
2619                 }
2620
2621                 if (_session->timecode_offset_negative())
2622                 {
2623                         start -= _session->timecode_offset ();
2624                 } else {
2625                         start += _session->timecode_offset ();
2626                 }
2627                 break;
2628
2629         case SnapToTimecodeMinutes:
2630                 if (_session->timecode_offset_negative())
2631                 {
2632                         start += _session->timecode_offset ();
2633                 } else {
2634                         start -= _session->timecode_offset ();
2635                 }
2636                 if (((direction == 0) && (start % one_timecode_minute > one_timecode_minute / 2)) || direction > 0) {
2637                         start = (nframes64_t) ceil ((double) start / one_timecode_minute) * one_timecode_minute;
2638                 } else {
2639                         start = (nframes64_t) floor ((double) start / one_timecode_minute) * one_timecode_minute;
2640                 }
2641                 if (_session->timecode_offset_negative())
2642                 {
2643                         start -= _session->timecode_offset ();
2644                 } else {
2645                         start += _session->timecode_offset ();
2646                 }
2647                 break;
2648         default:
2649                 fatal << "Editor::smpte_snap_to_internal() called with non-timecode snap type!" << endmsg;
2650                 /*NOTREACHED*/
2651         }
2652 }
2653
2654 void
2655 Editor::snap_to_internal (nframes64_t& start, int32_t direction, bool for_mark)
2656 {
2657         const nframes64_t one_second = _session->frame_rate();
2658         const nframes64_t one_minute = _session->frame_rate() * 60;
2659         nframes64_t presnap = start;
2660         nframes64_t before;
2661         nframes64_t after;
2662
2663         switch (_snap_type) {
2664         case SnapToTimecodeFrame:
2665         case SnapToTimecodeSeconds:
2666         case SnapToTimecodeMinutes:
2667                 return timecode_snap_to_internal (start, direction, for_mark);
2668
2669         case SnapToCDFrame:
2670                 if (((direction == 0) && (start % (one_second/75) > (one_second/75) / 2)) || (direction > 0)) {
2671                         start = (nframes64_t) ceil ((double) start / (one_second / 75)) * (one_second / 75);
2672                 } else {
2673                         start = (nframes64_t) floor ((double) start / (one_second / 75)) * (one_second / 75);
2674                 }
2675                 break;
2676
2677         case SnapToSeconds:
2678                 if (((direction == 0) && (start % one_second > one_second / 2)) || (direction > 0)) {
2679                         start = (nframes64_t) ceil ((double) start / one_second) * one_second;
2680                 } else {
2681                         start = (nframes64_t) floor ((double) start / one_second) * one_second;
2682                 }
2683                 break;
2684
2685         case SnapToMinutes:
2686                 if (((direction == 0) && (start % one_minute > one_minute / 2)) || (direction > 0)) {
2687                         start = (nframes64_t) ceil ((double) start / one_minute) * one_minute;
2688                 } else {
2689                         start = (nframes64_t) floor ((double) start / one_minute) * one_minute;
2690                 }
2691                 break;
2692
2693         case SnapToBar:
2694                 start = _session->tempo_map().round_to_bar (start, direction);
2695                 break;
2696
2697         case SnapToBeat:
2698                 start = _session->tempo_map().round_to_beat (start, direction);
2699                 break;
2700
2701         case SnapToBeatDiv32:
2702                 start = _session->tempo_map().round_to_beat_subdivision (start, 32, direction);
2703                 break;
2704         case SnapToBeatDiv28:
2705                 start = _session->tempo_map().round_to_beat_subdivision (start, 28, direction);
2706                 break;
2707         case SnapToBeatDiv24:
2708                 start = _session->tempo_map().round_to_beat_subdivision (start, 24, direction);
2709                 break;
2710         case SnapToBeatDiv16:
2711                 start = _session->tempo_map().round_to_beat_subdivision (start, 16, direction);
2712                 break;
2713         case SnapToBeatDiv14:
2714                 start = _session->tempo_map().round_to_beat_subdivision (start, 14, direction);
2715                 break;
2716         case SnapToBeatDiv12:
2717                 start = _session->tempo_map().round_to_beat_subdivision (start, 12, direction);
2718                 break;
2719         case SnapToBeatDiv10:
2720                 start = _session->tempo_map().round_to_beat_subdivision (start, 10, direction);
2721                 break;
2722         case SnapToBeatDiv8:
2723                 start = _session->tempo_map().round_to_beat_subdivision (start, 8, direction);
2724                 break;
2725         case SnapToBeatDiv7:
2726                 start = _session->tempo_map().round_to_beat_subdivision (start, 7, direction);
2727                 break;
2728         case SnapToBeatDiv6:
2729                 start = _session->tempo_map().round_to_beat_subdivision (start, 6, direction);
2730                 break;
2731         case SnapToBeatDiv5:
2732                 start = _session->tempo_map().round_to_beat_subdivision (start, 5, direction);
2733                 break;
2734         case SnapToBeatDiv4:
2735                 start = _session->tempo_map().round_to_beat_subdivision (start, 4, direction);
2736                 break;
2737         case SnapToBeatDiv3:
2738                 start = _session->tempo_map().round_to_beat_subdivision (start, 3, direction);
2739                 break;
2740         case SnapToBeatDiv2:
2741                 start = _session->tempo_map().round_to_beat_subdivision (start, 2, direction);
2742                 break;
2743
2744         case SnapToMark:
2745                 if (for_mark) {
2746                         return;
2747                 }
2748
2749                 _session->locations()->marks_either_side (start, before, after);
2750
2751                 if (before == max_frames) {
2752                         start = after;
2753                 } else if (after == max_frames) {
2754                         start = before;
2755                 } else if (before != max_frames && after != max_frames) {
2756                         /* have before and after */
2757                         if ((start - before) < (after - start)) {
2758                                 start = before;
2759                         } else {
2760                                 start = after;
2761                         }
2762                 }
2763
2764                 break;
2765
2766         case SnapToRegionStart:
2767         case SnapToRegionEnd:
2768         case SnapToRegionSync:
2769         case SnapToRegionBoundary:
2770                 if (!region_boundary_cache.empty()) {
2771
2772                         vector<nframes64_t>::iterator prev = region_boundary_cache.end ();
2773                         vector<nframes64_t>::iterator next = region_boundary_cache.end ();
2774
2775                         if (direction > 0) {
2776                                 next = std::upper_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2777                         } else {
2778                                 next = std::lower_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2779                         }
2780
2781                         if (next != region_boundary_cache.begin ()) {
2782                                 prev = next;
2783                                 prev--;
2784                         }
2785
2786                         nframes64_t const p = (prev == region_boundary_cache.end()) ? region_boundary_cache.front () : *prev;
2787                         nframes64_t const n = (next == region_boundary_cache.end()) ? region_boundary_cache.back () : *next;
2788
2789                         if (start > (p + n) / 2) {
2790                                 start = n;
2791                         } else {
2792                                 start = p;
2793                         }
2794                 }
2795                 break;
2796         }
2797
2798         switch (_snap_mode) {
2799         case SnapNormal:
2800                 return;
2801
2802         case SnapMagnetic:
2803
2804                 if (presnap > start) {
2805                         if (presnap > (start + unit_to_frame(snap_threshold))) {
2806                                 start = presnap;
2807                         }
2808
2809                 } else if (presnap < start) {
2810                         if (presnap < (start - unit_to_frame(snap_threshold))) {
2811                                 start = presnap;
2812                         }
2813                 }
2814
2815         default:
2816                 /* handled at entry */
2817                 return;
2818
2819         }
2820 }
2821
2822
2823 void
2824 Editor::setup_toolbar ()
2825 {
2826         string pixmap_path;
2827
2828         /* Mode Buttons (tool selection) */
2829
2830         mouse_move_button.set_relief(Gtk::RELIEF_NONE);
2831         mouse_select_button.set_relief(Gtk::RELIEF_NONE);
2832         mouse_gain_button.set_relief(Gtk::RELIEF_NONE);
2833         mouse_zoom_button.set_relief(Gtk::RELIEF_NONE);
2834         mouse_timefx_button.set_relief(Gtk::RELIEF_NONE);
2835         mouse_audition_button.set_relief(Gtk::RELIEF_NONE);
2836         // internal_edit_button.set_relief(Gtk::RELIEF_NONE);
2837         join_object_range_button.set_relief(Gtk::RELIEF_NONE);
2838
2839         HBox* mode_box = manage(new HBox);
2840         mode_box->set_border_width (2);
2841         mode_box->set_spacing(4);
2842
2843         /* table containing mode buttons */
2844
2845         HBox* mouse_mode_button_box = manage (new HBox ());
2846
2847         if (Profile->get_sae()) {
2848                 mouse_mode_button_box->pack_start (mouse_move_button);
2849         } else {
2850                 mouse_mode_button_box->pack_start (mouse_move_button);
2851                 mouse_mode_button_box->pack_start (join_object_range_button);
2852                 mouse_mode_button_box->pack_start (mouse_select_button);
2853         }
2854
2855         mouse_mode_button_box->pack_start (mouse_zoom_button);
2856
2857         if (!Profile->get_sae()) {
2858                 mouse_mode_button_box->pack_start (mouse_gain_button);
2859         }
2860
2861         mouse_mode_button_box->pack_start (mouse_timefx_button);
2862         mouse_mode_button_box->pack_start (mouse_audition_button);
2863         mouse_mode_button_box->pack_start (internal_edit_button);
2864
2865         vector<string> edit_mode_strings;
2866         edit_mode_strings.push_back (edit_mode_to_string (Slide));
2867         if (!Profile->get_sae()) {
2868                 edit_mode_strings.push_back (edit_mode_to_string (Splice));
2869         }
2870         edit_mode_strings.push_back (edit_mode_to_string (Lock));
2871
2872         edit_mode_selector.set_name ("EditModeSelector");
2873         set_popdown_strings (edit_mode_selector, edit_mode_strings, true);
2874         edit_mode_selector.signal_changed().connect (sigc::mem_fun(*this, &Editor::edit_mode_selection_done));
2875
2876         mode_box->pack_start (edit_mode_selector);
2877         mode_box->pack_start (*mouse_mode_button_box);
2878
2879         _mouse_mode_tearoff = manage (new TearOff (*mode_box));
2880         _mouse_mode_tearoff->set_name ("MouseModeBase");
2881         _mouse_mode_tearoff->tearoff_window().signal_key_press_event().connect (sigc::bind (sigc::ptr_fun (relay_key_press), &_mouse_mode_tearoff->tearoff_window()), false);
2882
2883         if (Profile->get_sae()) {
2884                 _mouse_mode_tearoff->set_can_be_torn_off (false);
2885         }
2886
2887         _mouse_mode_tearoff->Detach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2888                                                          &_mouse_mode_tearoff->tearoff_window()));
2889         _mouse_mode_tearoff->Attach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2890                                                          &_mouse_mode_tearoff->tearoff_window(), 1));
2891         _mouse_mode_tearoff->Hidden.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2892                                                          &_mouse_mode_tearoff->tearoff_window()));
2893         _mouse_mode_tearoff->Visible.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2894                                                           &_mouse_mode_tearoff->tearoff_window(), 1));
2895
2896         mouse_move_button.set_mode (false);
2897         mouse_select_button.set_mode (false);
2898         mouse_gain_button.set_mode (false);
2899         mouse_zoom_button.set_mode (false);
2900         mouse_timefx_button.set_mode (false);
2901         mouse_audition_button.set_mode (false);
2902         join_object_range_button.set_mode (false);
2903
2904         mouse_move_button.set_name ("MouseModeButton");
2905         mouse_select_button.set_name ("MouseModeButton");
2906         mouse_gain_button.set_name ("MouseModeButton");
2907         mouse_zoom_button.set_name ("MouseModeButton");
2908         mouse_timefx_button.set_name ("MouseModeButton");
2909         mouse_audition_button.set_name ("MouseModeButton");
2910         internal_edit_button.set_name ("MouseModeButton");
2911         join_object_range_button.set_name ("MouseModeButton");
2912
2913         mouse_move_button.unset_flags (CAN_FOCUS);
2914         mouse_select_button.unset_flags (CAN_FOCUS);
2915         mouse_gain_button.unset_flags (CAN_FOCUS);
2916         mouse_zoom_button.unset_flags (CAN_FOCUS);
2917         mouse_timefx_button.unset_flags (CAN_FOCUS);
2918         mouse_audition_button.unset_flags (CAN_FOCUS);
2919         internal_edit_button.unset_flags (CAN_FOCUS);
2920         join_object_range_button.unset_flags (CAN_FOCUS);
2921
2922         /* Zoom */
2923
2924         zoom_box.set_spacing (1);
2925         zoom_box.set_border_width (0);
2926
2927         zoom_in_button.set_name ("EditorTimeButton");
2928         zoom_in_button.set_image (*(manage (new Image (Stock::ZOOM_IN, Gtk::ICON_SIZE_MENU))));
2929         zoom_in_button.signal_clicked().connect (sigc::bind (sigc::mem_fun(*this, &Editor::temporal_zoom_step), false));
2930
2931         zoom_out_button.set_name ("EditorTimeButton");
2932         zoom_out_button.set_image (*(manage (new Image (Stock::ZOOM_OUT, Gtk::ICON_SIZE_MENU))));
2933         zoom_out_button.signal_clicked().connect (sigc::bind (sigc::mem_fun(*this, &Editor::temporal_zoom_step), true));
2934
2935         zoom_out_full_button.set_name ("EditorTimeButton");
2936         zoom_out_full_button.set_image (*(manage (new Image (Stock::ZOOM_100, Gtk::ICON_SIZE_MENU))));
2937         zoom_out_full_button.signal_clicked().connect (sigc::mem_fun(*this, &Editor::temporal_zoom_session));
2938
2939         zoom_focus_selector.set_name ("ZoomFocusSelector");
2940         set_popdown_strings (zoom_focus_selector, zoom_focus_strings, true);
2941         zoom_focus_selector.signal_changed().connect (sigc::mem_fun(*this, &Editor::zoom_focus_selection_done));
2942
2943         zoom_box.pack_start (zoom_out_button, false, false);
2944         zoom_box.pack_start (zoom_in_button, false, false);
2945         zoom_box.pack_start (zoom_out_full_button, false, false);
2946
2947         /* Track zoom buttons */
2948         tav_expand_button.set_name ("TrackHeightButton");
2949         tav_expand_button.set_size_request(-1,20);
2950         tav_expand_button.add (*(manage (new Image (::get_icon("tav_exp")))));
2951         tav_expand_button.signal_clicked().connect (sigc::bind (sigc::mem_fun(*this, &Editor::tav_zoom_step), true));
2952
2953         tav_shrink_button.set_name ("TrackHeightButton");
2954         tav_shrink_button.set_size_request(-1,20);
2955         tav_shrink_button.add (*(manage (new Image (::get_icon("tav_shrink")))));
2956         tav_shrink_button.signal_clicked().connect (sigc::bind (sigc::mem_fun(*this, &Editor::tav_zoom_step), false));
2957
2958         track_zoom_box.set_spacing (1);
2959         track_zoom_box.set_border_width (0);
2960
2961         track_zoom_box.pack_start (tav_shrink_button, false, false);
2962         track_zoom_box.pack_start (tav_expand_button, false, false);
2963
2964         HBox* zbc = manage (new HBox);
2965         zbc->pack_start (zoom_focus_selector, PACK_SHRINK);
2966         zoom_vbox.pack_start (*zbc, PACK_SHRINK);
2967         zoom_vbox.pack_start (zoom_box, PACK_SHRINK);
2968         zoom_vbox.pack_start (track_zoom_box, PACK_SHRINK);
2969
2970         snap_box.set_spacing (1);
2971         snap_box.set_border_width (2);
2972
2973         snap_type_selector.set_name ("SnapTypeSelector");
2974         set_popdown_strings (snap_type_selector, snap_type_strings, true);
2975         snap_type_selector.signal_changed().connect (sigc::mem_fun(*this, &Editor::snap_type_selection_done));
2976
2977         snap_mode_selector.set_name ("SnapModeSelector");
2978         set_popdown_strings (snap_mode_selector, snap_mode_strings, true);
2979         snap_mode_selector.signal_changed().connect (sigc::mem_fun(*this, &Editor::snap_mode_selection_done));
2980
2981         edit_point_selector.set_name ("EditPointSelector");
2982         set_popdown_strings (edit_point_selector, edit_point_strings, true);
2983         edit_point_selector.signal_changed().connect (sigc::mem_fun(*this, &Editor::edit_point_selection_done));
2984
2985         snap_box.pack_start (snap_mode_selector, false, false);
2986         snap_box.pack_start (snap_type_selector, false, false);
2987         snap_box.pack_start (edit_point_selector, false, false);
2988
2989         /* Nudge */
2990
2991         HBox *nudge_box = manage (new HBox);
2992         nudge_box->set_spacing(1);
2993         nudge_box->set_border_width (2);
2994
2995         nudge_forward_button.signal_button_release_event().connect (sigc::mem_fun(*this, &Editor::nudge_forward_release), false);
2996         nudge_backward_button.signal_button_release_event().connect (sigc::mem_fun(*this, &Editor::nudge_backward_release), false);
2997
2998         nudge_box->pack_start (nudge_backward_button, false, false);
2999         nudge_box->pack_start (nudge_forward_button, false, false);
3000         nudge_box->pack_start (nudge_clock, false, false);
3001
3002
3003         /* Pack everything in... */
3004
3005         HBox* hbox = manage (new HBox);
3006         hbox->set_spacing(10);
3007
3008         _tools_tearoff = manage (new TearOff (*hbox));
3009         _tools_tearoff->set_name ("MouseModeBase");
3010         _tools_tearoff->tearoff_window().signal_key_press_event().connect (sigc::bind (sigc::ptr_fun (relay_key_press), &_tools_tearoff->tearoff_window()), false);
3011
3012         if (Profile->get_sae()) {
3013                 _tools_tearoff->set_can_be_torn_off (false);
3014         }
3015
3016         _tools_tearoff->Detach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
3017                                                     &_tools_tearoff->tearoff_window()));
3018         _tools_tearoff->Attach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
3019                                                     &_tools_tearoff->tearoff_window(), 0));
3020         _tools_tearoff->Hidden.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
3021                                                     &_tools_tearoff->tearoff_window()));
3022         _tools_tearoff->Visible.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
3023                                                      &_tools_tearoff->tearoff_window(), 0));
3024
3025         toolbar_hbox.set_spacing (10);
3026         toolbar_hbox.set_border_width (1);
3027
3028         toolbar_hbox.pack_start (*_mouse_mode_tearoff, false, false);
3029         toolbar_hbox.pack_start (*_tools_tearoff, false, false);
3030
3031         hbox->pack_start (snap_box, false, false);
3032         hbox->pack_start (*nudge_box, false, false);
3033         hbox->pack_start (panic_box, false, false);
3034
3035         hbox->show_all ();
3036
3037         toolbar_base.set_name ("ToolBarBase");
3038         toolbar_base.add (toolbar_hbox);
3039
3040         toolbar_frame.set_shadow_type (SHADOW_OUT);
3041         toolbar_frame.set_name ("BaseFrame");
3042         toolbar_frame.add (toolbar_base);
3043 }
3044
3045 void
3046 Editor::setup_tooltips ()
3047 {
3048         ARDOUR_UI::instance()->set_tip (mouse_move_button, _("Select/Move Objects"));
3049         ARDOUR_UI::instance()->set_tip (mouse_gain_button, _("Draw Gain Automation"));
3050         ARDOUR_UI::instance()->set_tip (mouse_zoom_button, _("Select Zoom Range"));
3051         ARDOUR_UI::instance()->set_tip (mouse_timefx_button, _("Stretch/Shrink Regions"));
3052         ARDOUR_UI::instance()->set_tip (mouse_audition_button, _("Listen to Specific Regions"));
3053         ARDOUR_UI::instance()->set_tip (join_object_range_button, _("Select/Move Objects or Ranges"));
3054         ARDOUR_UI::instance()->set_tip (internal_edit_button, _("Edit Region Contents (e.g. notes)"));
3055         ARDOUR_UI::instance()->set_tip (*_group_tabs, _("Groups: context-click for possible operations"));
3056         ARDOUR_UI::instance()->set_tip (nudge_forward_button, _("Nudge Region/Selection Forwards"));
3057         ARDOUR_UI::instance()->set_tip (nudge_backward_button, _("Nudge Region/Selection Backwards"));
3058         ARDOUR_UI::instance()->set_tip (zoom_in_button, _("Zoom In"));
3059         ARDOUR_UI::instance()->set_tip (zoom_out_button, _("Zoom Out"));
3060         ARDOUR_UI::instance()->set_tip (zoom_out_full_button, _("Zoom to Session"));
3061         ARDOUR_UI::instance()->set_tip (zoom_focus_selector, _("Zoom focus"));
3062         ARDOUR_UI::instance()->set_tip (tav_expand_button, _("Expand Tracks"));
3063         ARDOUR_UI::instance()->set_tip (tav_shrink_button, _("Shrink Tracks"));
3064         ARDOUR_UI::instance()->set_tip (snap_type_selector, _("Snap/Grid Units"));
3065         ARDOUR_UI::instance()->set_tip (snap_mode_selector, _("Snap/Grid Mode"));
3066         ARDOUR_UI::instance()->set_tip (edit_point_selector, _("Edit point"));
3067         ARDOUR_UI::instance()->set_tip (midi_sound_notes, _("Sound Notes"));
3068         ARDOUR_UI::instance()->set_tip (midi_panic_button, _("Send note off and reset controller messages on all MIDI channels"));
3069 }
3070
3071 void
3072 Editor::midi_panic ()
3073 {
3074         cerr << "MIDI panic\n";
3075
3076         if (_session) {
3077                 _session->midi_panic();
3078         }
3079 }
3080
3081 void
3082 Editor::setup_midi_toolbar ()
3083 {
3084         RefPtr<Action> act;
3085
3086         /* Midi sound notes */
3087         midi_sound_notes.add (*(manage (new Image (::get_icon("midi_sound_notes")))));
3088         midi_sound_notes.set_relief(Gtk::RELIEF_NONE);
3089         midi_sound_notes.unset_flags (CAN_FOCUS);
3090
3091         /* Panic */
3092
3093         act = ActionManager::get_action (X_("MIDI"), X_("panic"));
3094         midi_panic_button.set_name("MidiPanicButton");
3095         act->connect_proxy (midi_panic_button);
3096
3097         panic_box.pack_start (midi_sound_notes , true, true);
3098         panic_box.pack_start (midi_panic_button, true, true);
3099 }
3100
3101 int
3102 Editor::convert_drop_to_paths (
3103                 vector<ustring>&                paths,
3104                 const RefPtr<Gdk::DragContext>& /*context*/,
3105                 gint                            /*x*/,
3106                 gint                            /*y*/,
3107                 const SelectionData&            data,
3108                 guint                           /*info*/,
3109                 guint                           /*time*/)
3110 {
3111         if (_session == 0) {
3112                 return -1;
3113         }
3114
3115         vector<ustring> uris = data.get_uris();
3116
3117         if (uris.empty()) {
3118
3119                 /* This is seriously fucked up. Nautilus doesn't say that its URI lists
3120                    are actually URI lists. So do it by hand.
3121                 */
3122
3123                 if (data.get_target() != "text/plain") {
3124                         return -1;
3125                 }
3126
3127                 /* Parse the "uri-list" format that Nautilus provides,
3128                    where each pathname is delimited by \r\n.
3129
3130                    THERE MAY BE NO NULL TERMINATING CHAR!!!
3131                 */
3132
3133                 ustring txt = data.get_text();
3134                 const char* p;
3135                 const char* q;
3136
3137                 p = (const char *) malloc (txt.length() + 1);
3138                 txt.copy ((char *) p, txt.length(), 0);
3139                 ((char*)p)[txt.length()] = '\0';
3140
3141                 while (p)
3142                 {
3143                         if (*p != '#')
3144                         {
3145                                 while (g_ascii_isspace (*p))
3146                                         p++;
3147
3148                                 q = p;
3149                                 while (*q && (*q != '\n') && (*q != '\r')) {
3150                                         q++;
3151                                 }
3152
3153                                 if (q > p)
3154                                 {
3155                                         q--;
3156                                         while (q > p && g_ascii_isspace (*q))
3157                                                 q--;
3158
3159                                         if (q > p)
3160                                         {
3161                                                 uris.push_back (ustring (p, q - p + 1));
3162                                         }
3163                                 }
3164                         }
3165                         p = strchr (p, '\n');
3166                         if (p)
3167                                 p++;
3168                 }
3169
3170                 free ((void*)p);
3171
3172                 if (uris.empty()) {
3173                         return -1;
3174                 }
3175         }
3176
3177         for (vector<ustring>::iterator i = uris.begin(); i != uris.end(); ++i) {
3178
3179                 if ((*i).substr (0,7) == "file://") {
3180
3181                         ustring p = *i;
3182                         PBD::url_decode (p);
3183
3184                         // scan forward past three slashes
3185
3186                         ustring::size_type slashcnt = 0;
3187                         ustring::size_type n = 0;
3188                         ustring::iterator x = p.begin();
3189
3190                         while (slashcnt < 3 && x != p.end()) {
3191                                 if ((*x) == '/') {
3192                                         slashcnt++;
3193                                 } else if (slashcnt == 3) {
3194                                         break;
3195                                 }
3196                                 ++n;
3197                                 ++x;
3198                         }
3199
3200                         if (slashcnt != 3 || x == p.end()) {
3201                                 error << _("malformed URL passed to drag-n-drop code") << endmsg;
3202                                 continue;
3203                         }
3204
3205                         paths.push_back (p.substr (n - 1));
3206                 }
3207         }
3208
3209         return 0;
3210 }
3211
3212 void
3213 Editor::new_tempo_section ()
3214
3215 {
3216 }
3217
3218 void
3219 Editor::map_transport_state ()
3220 {
3221         ENSURE_GUI_THREAD (*this, &Editor::map_transport_state)
3222
3223         if (_session && _session->transport_stopped()) {
3224                 have_pending_keyboard_selection = false;
3225         }
3226
3227         update_loop_range_view (true);
3228 }
3229
3230 /* UNDO/REDO */
3231
3232 Editor::State::State (PublicEditor const * e)
3233 {
3234         selection = new Selection (e);
3235 }
3236
3237 Editor::State::~State ()
3238 {
3239         delete selection;
3240 }
3241
3242 void
3243 Editor::begin_reversible_command (string name)
3244 {
3245         if (_session) {
3246                 _session->begin_reversible_command (name);
3247         }
3248 }
3249
3250 void
3251 Editor::commit_reversible_command ()
3252 {
3253         if (_session) {
3254                 _session->commit_reversible_command ();
3255         }
3256 }
3257
3258 void
3259 Editor::set_route_group_solo (Route& route, bool yn)
3260 {
3261         RouteGroup *route_group;
3262
3263         if ((route_group = route.route_group()) != 0) {
3264                 route_group->apply (&Route::set_solo, yn, this);
3265         } else {
3266                 route.set_solo (yn, this);
3267         }
3268 }
3269
3270 void
3271 Editor::set_route_group_mute (Route& route, bool yn)
3272 {
3273         RouteGroup *route_group = 0;
3274
3275         if ((route_group = route.route_group()) != 0) {
3276                 route_group->apply (&Route::set_mute, yn, this);
3277         } else {
3278                 route.set_mute (yn, this);
3279         }
3280 }
3281
3282 void
3283 Editor::history_changed ()
3284 {
3285         string label;
3286
3287         if (undo_action && _session) {
3288                 if (_session->undo_depth() == 0) {
3289                         label = _("Undo");
3290                 } else {
3291                         label = string_compose(_("Undo (%1)"), _session->next_undo());
3292                 }
3293                 undo_action->property_label() = label;
3294         }
3295
3296         if (redo_action && _session) {
3297                 if (_session->redo_depth() == 0) {
3298                         label = _("Redo");
3299                 } else {
3300                         label = string_compose(_("Redo (%1)"), _session->next_redo());
3301                 }
3302                 redo_action->property_label() = label;
3303         }
3304 }
3305
3306 void
3307 Editor::duplicate_dialog (bool with_dialog)
3308 {
3309         float times = 1.0f;
3310
3311         if (mouse_mode == MouseRange) {
3312                 if (selection->time.length() == 0) {
3313                         return;
3314                 }
3315         }
3316
3317         RegionSelection rs;
3318         get_regions_for_action (rs);
3319
3320         if (mouse_mode != MouseRange) {
3321
3322                 if (rs.empty()) {
3323                         return;
3324                 }
3325         }
3326
3327         if (with_dialog) {
3328
3329                 ArdourDialog win (_("Duplicate"));
3330                 Label label (_("Number of duplications:"));
3331                 Adjustment adjustment (1.0, 1.0, 1000000.0, 1.0, 5.0);
3332                 SpinButton spinner (adjustment, 0.0, 1);
3333                 HBox hbox;
3334
3335                 win.get_vbox()->set_spacing (12);
3336                 win.get_vbox()->pack_start (hbox);
3337                 hbox.set_border_width (6);
3338                 hbox.pack_start (label, PACK_EXPAND_PADDING, 12);
3339
3340                 /* dialogs have ::add_action_widget() but that puts the spinner in the wrong
3341                    place, visually. so do this by hand.
3342                 */
3343
3344                 hbox.pack_start (spinner, PACK_EXPAND_PADDING, 12);
3345                 spinner.signal_activate().connect (sigc::bind (sigc::mem_fun (win, &ArdourDialog::response), RESPONSE_ACCEPT));
3346                 spinner.grab_focus();
3347
3348                 hbox.show ();
3349                 label.show ();
3350                 spinner.show ();
3351
3352                 win.add_button (Stock::CANCEL, RESPONSE_CANCEL);
3353                 win.add_button (_("Duplicate"), RESPONSE_ACCEPT);
3354                 win.set_default_response (RESPONSE_ACCEPT);
3355
3356                 win.set_position (WIN_POS_MOUSE);
3357
3358                 spinner.grab_focus ();
3359
3360                 switch (win.run ()) {
3361                 case RESPONSE_ACCEPT:
3362                         break;
3363                 default:
3364                         return;
3365                 }
3366
3367                 times = adjustment.get_value();
3368         }
3369
3370         if (mouse_mode == MouseRange) {
3371                 duplicate_selection (times);
3372         } else {
3373                 duplicate_some_regions (rs, times);
3374         }
3375 }
3376
3377 void
3378 Editor::show_verbose_canvas_cursor ()
3379 {
3380         verbose_canvas_cursor->raise_to_top();
3381         verbose_canvas_cursor->show();
3382         verbose_cursor_visible = true;
3383 }
3384
3385 void
3386 Editor::hide_verbose_canvas_cursor ()
3387 {
3388         verbose_canvas_cursor->hide();
3389         verbose_cursor_visible = false;
3390 }
3391
3392 double
3393 Editor::clamp_verbose_cursor_x (double x)
3394 {
3395         if (x < 0) {
3396                 x = 0;
3397         } else {
3398                 x = min (_canvas_width - 200.0, x);
3399         }
3400         return x;
3401 }
3402
3403 double
3404 Editor::clamp_verbose_cursor_y (double y)
3405 {
3406         if (y < canvas_timebars_vsize) {
3407                 y = canvas_timebars_vsize;
3408         } else {
3409                 y = min (_canvas_height - 50, y);
3410         }
3411         return y;
3412 }
3413
3414 void
3415 Editor::show_verbose_canvas_cursor_with (const string & txt)
3416 {
3417         verbose_canvas_cursor->property_text() = txt.c_str();
3418
3419         int x, y;
3420         double wx, wy;
3421
3422         track_canvas->get_pointer (x, y);
3423         track_canvas->window_to_world (x, y, wx, wy);
3424
3425         /* don't get too close to the edge */
3426         verbose_canvas_cursor->property_x() = clamp_verbose_cursor_x (wx);
3427         verbose_canvas_cursor->property_y() = clamp_verbose_cursor_y (wy);
3428
3429         show_verbose_canvas_cursor ();
3430 }
3431
3432 void
3433 Editor::set_verbose_canvas_cursor (const string & txt, double x, double y)
3434 {
3435         verbose_canvas_cursor->property_text() = txt.c_str();
3436         /* don't get too close to the edge */
3437         verbose_canvas_cursor->property_x() = clamp_verbose_cursor_x (x);
3438         verbose_canvas_cursor->property_y() = clamp_verbose_cursor_y (y);
3439 }
3440
3441 void
3442 Editor::set_verbose_canvas_cursor_text (const string & txt)
3443 {
3444         verbose_canvas_cursor->property_text() = txt.c_str();
3445 }
3446
3447 void
3448 Editor::set_edit_mode (EditMode m)
3449 {
3450         Config->set_edit_mode (m);
3451 }
3452
3453 void
3454 Editor::cycle_edit_mode ()
3455 {
3456         switch (Config->get_edit_mode()) {
3457         case Slide:
3458                 if (Profile->get_sae()) {
3459                         Config->set_edit_mode (Lock);
3460                 } else {
3461                         Config->set_edit_mode (Splice);
3462                 }
3463                 break;
3464         case Splice:
3465                 Config->set_edit_mode (Lock);
3466                 break;
3467         case Lock:
3468                 Config->set_edit_mode (Slide);
3469                 break;
3470         }
3471 }
3472
3473 void
3474 Editor::edit_mode_selection_done ()
3475 {
3476         if (_session == 0) {
3477                 return;
3478         }
3479
3480         string choice = edit_mode_selector.get_active_text();
3481         EditMode mode = Slide;
3482
3483         if (choice == _("Splice Edit")) {
3484                 mode = Splice;
3485         } else if (choice == _("Slide Edit")) {
3486                 mode = Slide;
3487         } else if (choice == _("Lock Edit")) {
3488                 mode = Lock;
3489         }
3490
3491         Config->set_edit_mode (mode);
3492 }
3493
3494 void
3495 Editor::snap_type_selection_done ()
3496 {
3497         string choice = snap_type_selector.get_active_text();
3498         SnapType snaptype = SnapToBeat;
3499
3500         if (choice == _("Beats/2")) {
3501                 snaptype = SnapToBeatDiv2;
3502         } else if (choice == _("Beats/3")) {
3503                 snaptype = SnapToBeatDiv3;
3504         } else if (choice == _("Beats/4")) {
3505                 snaptype = SnapToBeatDiv4;
3506         } else if (choice == _("Beats/5")) {
3507                 snaptype = SnapToBeatDiv5;
3508         } else if (choice == _("Beats/6")) {
3509                 snaptype = SnapToBeatDiv6;
3510         } else if (choice == _("Beats/7")) {
3511                 snaptype = SnapToBeatDiv7;
3512         } else if (choice == _("Beats/8")) {
3513                 snaptype = SnapToBeatDiv8;
3514         } else if (choice == _("Beats/10")) {
3515                 snaptype = SnapToBeatDiv10;
3516         } else if (choice == _("Beats/12")) {
3517                 snaptype = SnapToBeatDiv12;
3518         } else if (choice == _("Beats/14")) {
3519                 snaptype = SnapToBeatDiv14;
3520         } else if (choice == _("Beats/16")) {
3521                 snaptype = SnapToBeatDiv16;
3522         } else if (choice == _("Beats/24")) {
3523                 snaptype = SnapToBeatDiv24;
3524         } else if (choice == _("Beats/28")) {
3525                 snaptype = SnapToBeatDiv28;
3526         } else if (choice == _("Beats/32")) {
3527                 snaptype = SnapToBeatDiv32;
3528         } else if (choice == _("Beats")) {
3529                 snaptype = SnapToBeat;
3530         } else if (choice == _("Bars")) {
3531                 snaptype = SnapToBar;
3532         } else if (choice == _("Marks")) {
3533                 snaptype = SnapToMark;
3534         } else if (choice == _("Region starts")) {
3535                 snaptype = SnapToRegionStart;
3536         } else if (choice == _("Region ends")) {
3537                 snaptype = SnapToRegionEnd;
3538         } else if (choice == _("Region bounds")) {
3539                 snaptype = SnapToRegionBoundary;
3540         } else if (choice == _("Region syncs")) {
3541                 snaptype = SnapToRegionSync;
3542         } else if (choice == _("CD Frames")) {
3543                 snaptype = SnapToCDFrame;
3544         } else if (choice == _("Timecode Frames")) {
3545                 snaptype = SnapToTimecodeFrame;
3546         } else if (choice == _("Timecode Seconds")) {
3547                 snaptype = SnapToTimecodeSeconds;
3548         } else if (choice == _("Timecode Minutes")) {
3549                 snaptype = SnapToTimecodeMinutes;
3550         } else if (choice == _("Seconds")) {
3551                 snaptype = SnapToSeconds;
3552         } else if (choice == _("Minutes")) {
3553                 snaptype = SnapToMinutes;
3554         }
3555
3556         RefPtr<RadioAction> ract = snap_type_action (snaptype);
3557         if (ract) {
3558                 ract->set_active ();
3559         }
3560 }
3561
3562 void
3563 Editor::snap_mode_selection_done ()
3564 {
3565         string choice = snap_mode_selector.get_active_text();
3566         SnapMode mode = SnapNormal;
3567
3568         if (choice == _("No Grid")) {
3569                 mode = SnapOff;
3570         } else if (choice == _("Grid")) {
3571                 mode = SnapNormal;
3572         } else if (choice == _("Magnetic")) {
3573                 mode = SnapMagnetic;
3574         }
3575
3576         RefPtr<RadioAction> ract = snap_mode_action (mode);
3577
3578         if (ract) {
3579                 ract->set_active (true);
3580         }
3581 }
3582
3583 void
3584 Editor::cycle_edit_point (bool with_marker)
3585 {
3586         switch (_edit_point) {
3587         case EditAtMouse:
3588                 set_edit_point_preference (EditAtPlayhead);
3589                 break;
3590         case EditAtPlayhead:
3591                 if (with_marker) {
3592                         set_edit_point_preference (EditAtSelectedMarker);
3593                 } else {
3594                         set_edit_point_preference (EditAtMouse);
3595                 }
3596                 break;
3597         case EditAtSelectedMarker:
3598                 set_edit_point_preference (EditAtMouse);
3599                 break;
3600         }
3601 }
3602
3603 void
3604 Editor::edit_point_selection_done ()
3605 {
3606         string choice = edit_point_selector.get_active_text();
3607         EditPoint ep = EditAtSelectedMarker;
3608
3609         if (choice == _("Marker")) {
3610                 set_edit_point_preference (EditAtSelectedMarker);
3611         } else if (choice == _("Playhead")) {
3612                 set_edit_point_preference (EditAtPlayhead);
3613         } else {
3614                 set_edit_point_preference (EditAtMouse);
3615         }
3616
3617         RefPtr<RadioAction> ract = edit_point_action (ep);
3618
3619         if (ract) {
3620                 ract->set_active (true);
3621         }
3622 }
3623
3624 void
3625 Editor::zoom_focus_selection_done ()
3626 {
3627         string choice = zoom_focus_selector.get_active_text();
3628         ZoomFocus focus_type = ZoomFocusLeft;
3629
3630         if (choice == _("Left")) {
3631                 focus_type = ZoomFocusLeft;
3632         } else if (choice == _("Right")) {
3633                 focus_type = ZoomFocusRight;
3634         } else if (choice == _("Center")) {
3635                 focus_type = ZoomFocusCenter;
3636         } else if (choice == _("Playhead")) {
3637                 focus_type = ZoomFocusPlayhead;
3638         } else if (choice == _("Mouse")) {
3639                 focus_type = ZoomFocusMouse;
3640         } else if (choice == _("Edit point")) {
3641                 focus_type = ZoomFocusEdit;
3642         }
3643
3644         RefPtr<RadioAction> ract = zoom_focus_action (focus_type);
3645
3646         if (ract) {
3647                 ract->set_active ();
3648         }
3649 }
3650
3651 gint
3652 Editor::edit_controls_button_release (GdkEventButton* ev)
3653 {
3654         if (Keyboard::is_context_menu_event (ev)) {
3655                 ARDOUR_UI::instance()->add_route (this);
3656         }
3657         return TRUE;
3658 }
3659
3660 gint
3661 Editor::mouse_select_button_release (GdkEventButton* ev)
3662 {
3663         /* this handles just right-clicks */
3664
3665         if (ev->button != 3) {
3666                 return false;
3667         }
3668
3669         return true;
3670 }
3671
3672 void
3673 Editor::set_zoom_focus (ZoomFocus f)
3674 {
3675         string str = zoom_focus_strings[(int)f];
3676
3677         if (str != zoom_focus_selector.get_active_text()) {
3678                 zoom_focus_selector.set_active_text (str);
3679         }
3680
3681         if (zoom_focus != f) {
3682                 zoom_focus = f;
3683
3684                 ZoomFocusChanged (); /* EMIT_SIGNAL */
3685
3686                 instant_save ();
3687         }
3688 }
3689
3690 void
3691 Editor::ensure_float (Window& win)
3692 {
3693         win.set_transient_for (*this);
3694 }
3695
3696 void
3697 Editor::pane_allocation_handler (Allocation &alloc, Paned* which)
3698 {
3699         /* recover or initialize pane positions. do this here rather than earlier because
3700            we don't want the positions to change the child allocations, which they seem to do.
3701          */
3702
3703         int pos;
3704         XMLProperty* prop;
3705         char buf[32];
3706         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
3707         int width, height;
3708
3709         enum Pane {
3710                 Horizontal = 0x1,
3711                 Vertical = 0x2
3712         };
3713
3714         static Pane done;
3715
3716         XMLNode* geometry;
3717
3718         width = default_width;
3719         height = default_height;
3720
3721         if ((geometry = find_named_node (*node, "geometry")) != 0) {
3722
3723                 prop = geometry->property ("x-size");
3724                 if (prop) {
3725                         width = atoi (prop->value());
3726                 }
3727                 prop = geometry->property ("y-size");
3728                 if (prop) {
3729                         height = atoi (prop->value());
3730                 }
3731         }
3732
3733         if (which == static_cast<Paned*> (&edit_pane)) {
3734
3735                 if (done & Horizontal) {
3736                         return;
3737                 }
3738
3739                 if (!geometry || (prop = geometry->property ("edit-horizontal-pane-pos")) == 0) {
3740                         /* initial allocation is 90% to canvas, 10% to notebook */
3741                         pos = (int) floor (alloc.get_width() * 0.90f);
3742                         snprintf (buf, sizeof(buf), "%d", pos);
3743                 } else {
3744                         pos = atoi (prop->value());
3745                 }
3746
3747                 if (GTK_WIDGET(edit_pane.gobj())->allocation.width > pos) {
3748                         edit_pane.set_position (pos);
3749                         pre_maximal_horizontal_pane_position = pos;
3750                 }
3751
3752                 done = (Pane) (done | Horizontal);
3753
3754         } else if (which == static_cast<Paned*> (&editor_summary_pane)) {
3755
3756                 if (done & Vertical) {
3757                         return;
3758                 }
3759
3760                 if (!geometry || (prop = geometry->property ("edit-vertical-pane-pos")) == 0) {
3761                         /* initial allocation is 90% to canvas, 10% to summary */
3762                         pos = (int) floor (alloc.get_height() * 0.90f);
3763                         snprintf (buf, sizeof(buf), "%d", pos);
3764                 } else {
3765                         pos = atoi (prop->value());
3766                 }
3767
3768                 if (GTK_WIDGET(editor_summary_pane.gobj())->allocation.height > pos) {
3769                         editor_summary_pane.set_position (pos);
3770                         pre_maximal_vertical_pane_position = pos;
3771                 }
3772
3773                 done = (Pane) (done | Vertical);
3774         }
3775 }
3776
3777 void
3778 Editor::detach_tearoff (Box* /*b*/, Window* /*w*/)
3779 {
3780         if (_tools_tearoff->torn_off() && _mouse_mode_tearoff->torn_off()) {
3781                 top_hbox.remove (toolbar_frame);
3782         }
3783 }
3784
3785 void
3786 Editor::reattach_tearoff (Box* /*b*/, Window* /*w*/, int32_t /*n*/)
3787 {
3788         if (toolbar_frame.get_parent() == 0) {
3789                 top_hbox.pack_end (toolbar_frame);
3790         }
3791 }
3792
3793 void
3794 Editor::set_show_measures (bool yn)
3795 {
3796         if (_show_measures != yn) {
3797                 hide_measures ();
3798
3799                 if ((_show_measures = yn) == true) {
3800                         if (tempo_lines)
3801                                 tempo_lines->show();
3802                         draw_measures ();
3803                 }
3804                 instant_save ();
3805         }
3806 }
3807
3808 void
3809 Editor::toggle_follow_playhead ()
3810 {
3811         RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
3812         if (act) {
3813                 RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
3814                 set_follow_playhead (tact->get_active());
3815         }
3816 }
3817
3818 void
3819 Editor::set_follow_playhead (bool yn)
3820 {
3821         if (_follow_playhead != yn) {
3822                 if ((_follow_playhead = yn) == true) {
3823                         /* catch up */
3824                         reset_x_origin_to_follow_playhead ();
3825                 }
3826                 instant_save ();
3827         }
3828 }
3829
3830 void
3831 Editor::toggle_stationary_playhead ()
3832 {
3833        RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-stationary-playhead"));
3834        if (act) {
3835                RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
3836                set_stationary_playhead (tact->get_active());
3837        }
3838 }
3839
3840 void
3841 Editor::set_stationary_playhead (bool yn)
3842 {
3843        if (_stationary_playhead != yn) {
3844                if ((_stationary_playhead = yn) == true) {
3845                        /* catch up */
3846                        // FIXME need a 3.0 equivalent of this 2.X call
3847                        // update_current_screen ();
3848                }
3849                instant_save ();
3850        }
3851 }
3852
3853 void
3854 Editor::toggle_xfade_active (boost::weak_ptr<Crossfade> wxfade)
3855 {
3856         boost::shared_ptr<Crossfade> xfade (wxfade.lock());
3857         if (xfade) {
3858                 xfade->set_active (!xfade->active());
3859         }
3860 }
3861
3862 void
3863 Editor::toggle_xfade_length (boost::weak_ptr<Crossfade> wxfade)
3864 {
3865         boost::shared_ptr<Crossfade> xfade (wxfade.lock());
3866         if (xfade) {
3867                 xfade->set_follow_overlap (!xfade->following_overlap());
3868         }
3869 }
3870
3871 void
3872 Editor::edit_xfade (boost::weak_ptr<Crossfade> wxfade)
3873 {
3874         boost::shared_ptr<Crossfade> xfade (wxfade.lock());
3875
3876         if (!xfade) {
3877                 return;
3878         }
3879
3880         CrossfadeEditor cew (_session, xfade, xfade->fade_in().get_min_y(), 1.0);
3881
3882         ensure_float (cew);
3883
3884         switch (cew.run ()) {
3885         case RESPONSE_ACCEPT:
3886                 break;
3887         default:
3888                 return;
3889         }
3890
3891         cew.apply ();
3892         PropertyChange all_crossfade_properties;
3893         all_crossfade_properties.add (ARDOUR::Properties::active);
3894         all_crossfade_properties.add (ARDOUR::Properties::follow_overlap);
3895         xfade->PropertyChanged (all_crossfade_properties);
3896 }
3897
3898 PlaylistSelector&
3899 Editor::playlist_selector () const
3900 {
3901         return *_playlist_selector;
3902 }
3903
3904 Evoral::MusicalTime
3905 Editor::get_grid_type_as_beats (bool& success, nframes64_t position)
3906 {
3907         success = true;
3908
3909         switch (_snap_type) {
3910         case SnapToBeat:
3911                 return 1.0;
3912                 break;
3913
3914         case SnapToBeatDiv32:
3915                 return 1.0/32.0;
3916                 break;
3917         case SnapToBeatDiv28:
3918                 return 1.0/28.0;
3919                 break;
3920         case SnapToBeatDiv24:
3921                 return 1.0/24.0;
3922                 break;
3923         case SnapToBeatDiv16:
3924                 return 1.0/16.0;
3925                 break;
3926         case SnapToBeatDiv14:
3927                 return 1.0/14.0;
3928                 break;
3929         case SnapToBeatDiv12:
3930                 return 1.0/12.0;
3931                 break;
3932         case SnapToBeatDiv10:
3933                 return 1.0/10.0;
3934                 break;
3935         case SnapToBeatDiv8:
3936                 return 1.0/8.0;
3937                 break;
3938         case SnapToBeatDiv7:
3939                 return 1.0/7.0;
3940                 break;
3941         case SnapToBeatDiv6:
3942                 return 1.0/6.0;
3943                 break;
3944         case SnapToBeatDiv5:
3945                 return 1.0/5.0;
3946                 break;
3947         case SnapToBeatDiv4:
3948                 return 1.0/4.0;
3949                 break;
3950         case SnapToBeatDiv3:
3951                 return 1.0/3.0;
3952                 break;
3953         case SnapToBeatDiv2:
3954                 return 1.0/2.0;
3955                 break;
3956
3957         case SnapToBar:
3958                 if (_session) {
3959                         return _session->tempo_map().meter_at (position).beats_per_bar();
3960                 }
3961                 break;
3962
3963         case SnapToCDFrame:
3964         case SnapToTimecodeFrame:
3965         case SnapToTimecodeSeconds:
3966         case SnapToTimecodeMinutes:
3967         case SnapToSeconds:
3968         case SnapToMinutes:
3969         case SnapToRegionStart:
3970         case SnapToRegionEnd:
3971         case SnapToRegionSync:
3972         case SnapToRegionBoundary:
3973         default:
3974                 success = false;
3975                 break;
3976         }
3977
3978         return 0.0;
3979 }
3980
3981 nframes64_t
3982 Editor::get_nudge_distance (nframes64_t pos, nframes64_t& next)
3983 {
3984         nframes64_t ret;
3985
3986         ret = nudge_clock.current_duration (pos);
3987         next = ret + 1; /* XXXX fix me */
3988
3989         return ret;
3990 }
3991
3992 int
3993 Editor::playlist_deletion_dialog (boost::shared_ptr<Playlist> pl)
3994 {
3995         ArdourDialog dialog (_("Playlist Deletion"));
3996         Label  label (string_compose (_("Playlist %1 is currently unused.\n"
3997                                         "If left alone, no audio files used by it will be cleaned.\n"
3998                                         "If deleted, audio files used by it alone by will cleaned."),
3999                                       pl->name()));
4000
4001         dialog.set_position (WIN_POS_CENTER);
4002         dialog.get_vbox()->pack_start (label);
4003
4004         label.show ();
4005
4006         dialog.add_button (_("Delete playlist"), RESPONSE_ACCEPT);
4007         dialog.add_button (_("Keep playlist"), RESPONSE_REJECT);
4008         dialog.add_button (_("Cancel"), RESPONSE_CANCEL);
4009
4010         switch (dialog.run ()) {
4011         case RESPONSE_ACCEPT:
4012                 /* delete the playlist */
4013                 return 0;
4014                 break;
4015
4016         case RESPONSE_REJECT:
4017                 /* keep the playlist */
4018                 return 1;
4019                 break;
4020
4021         default:
4022                 break;
4023         }
4024
4025         return -1;
4026 }
4027
4028 bool
4029 Editor::audio_region_selection_covers (nframes64_t where)
4030 {
4031         for (RegionSelection::iterator a = selection->regions.begin(); a != selection->regions.end(); ++a) {
4032                 if ((*a)->region()->covers (where)) {
4033                         return true;
4034                 }
4035         }
4036
4037         return false;
4038 }
4039
4040 void
4041 Editor::prepare_for_cleanup ()
4042 {
4043         cut_buffer->clear_regions ();
4044         cut_buffer->clear_playlists ();
4045
4046         selection->clear_regions ();
4047         selection->clear_playlists ();
4048
4049         _regions->suspend_redisplay ();
4050 }
4051
4052 void
4053 Editor::finish_cleanup ()
4054 {
4055         _regions->resume_redisplay ();
4056 }
4057
4058 Location*
4059 Editor::transport_loop_location()
4060 {
4061         if (_session) {
4062                 return _session->locations()->auto_loop_location();
4063         } else {
4064                 return 0;
4065         }
4066 }
4067
4068 Location*
4069 Editor::transport_punch_location()
4070 {
4071         if (_session) {
4072                 return _session->locations()->auto_punch_location();
4073         } else {
4074                 return 0;
4075         }
4076 }
4077
4078 bool
4079 Editor::control_layout_scroll (GdkEventScroll* ev)
4080 {
4081         if (Keyboard::some_magic_widget_has_focus()) {
4082                 return false;
4083         }
4084
4085         switch (ev->direction) {
4086         case GDK_SCROLL_UP:
4087                 scroll_tracks_up_line ();
4088                 return true;
4089                 break;
4090
4091         case GDK_SCROLL_DOWN:
4092                 scroll_tracks_down_line ();
4093                 return true;
4094
4095         default:
4096                 /* no left/right handling yet */
4097                 break;
4098         }
4099
4100         return false;
4101 }
4102
4103 void
4104 Editor::session_state_saved (string snap_name)
4105 {
4106         ENSURE_GUI_THREAD (*this, &Editor::session_state_saved, snap_name);
4107
4108         update_title ();
4109         _snapshots->redisplay ();
4110 }
4111
4112 void
4113 Editor::maximise_editing_space ()
4114 {
4115         _mouse_mode_tearoff->set_visible (false);
4116         _tools_tearoff->set_visible (false);
4117
4118         pre_maximal_horizontal_pane_position = edit_pane.get_position ();
4119         pre_maximal_vertical_pane_position = editor_summary_pane.get_position ();
4120         pre_maximal_editor_width = this->get_width ();
4121         pre_maximal_editor_height = this->get_height ();
4122
4123         if (post_maximal_horizontal_pane_position == 0) {
4124                 post_maximal_horizontal_pane_position = edit_pane.get_width();
4125         }
4126
4127         if (post_maximal_vertical_pane_position == 0) {
4128                 post_maximal_vertical_pane_position = editor_summary_pane.get_height();
4129         }
4130
4131         fullscreen ();
4132
4133         if (post_maximal_editor_width) {
4134                 edit_pane.set_position (post_maximal_horizontal_pane_position -
4135                         abs(post_maximal_editor_width - pre_maximal_editor_width));
4136         } else {
4137                 edit_pane.set_position (post_maximal_horizontal_pane_position);
4138         }
4139
4140         if (post_maximal_editor_height) {
4141                 editor_summary_pane.set_position (post_maximal_vertical_pane_position -
4142                         abs(post_maximal_editor_height - pre_maximal_editor_height));
4143         } else {
4144                 editor_summary_pane.set_position (post_maximal_vertical_pane_position);
4145         }
4146 }
4147
4148 void
4149 Editor::restore_editing_space ()
4150 {
4151         // user changed width/height of panes during fullscreen
4152
4153         if (post_maximal_horizontal_pane_position != edit_pane.get_position()) {
4154                 post_maximal_horizontal_pane_position = edit_pane.get_position();
4155         }
4156
4157         if (post_maximal_vertical_pane_position != editor_summary_pane.get_position()) {
4158                 post_maximal_vertical_pane_position = editor_summary_pane.get_position();
4159         }
4160
4161         unfullscreen();
4162
4163         _mouse_mode_tearoff->set_visible (true);
4164         _tools_tearoff->set_visible (true);
4165         post_maximal_editor_width = this->get_width();
4166         post_maximal_editor_height = this->get_height();
4167
4168         edit_pane.set_position (pre_maximal_horizontal_pane_position + abs(this->get_width() - pre_maximal_editor_width));
4169         editor_summary_pane.set_position (pre_maximal_vertical_pane_position + abs(this->get_height() - pre_maximal_editor_height));
4170 }
4171
4172 /**
4173  *  Make new playlists for a given track and also any others that belong
4174  *  to the same active route group with the `edit' property.
4175  *  @param v Track.
4176  */
4177
4178 void
4179 Editor::new_playlists (TimeAxisView* v)
4180 {
4181         begin_reversible_command (_("new playlists"));
4182         vector<boost::shared_ptr<ARDOUR::Playlist> > playlists;
4183         _session->playlists->get (playlists);
4184         mapover_tracks (sigc::bind (sigc::mem_fun (*this, &Editor::mapped_use_new_playlist), playlists), v, ARDOUR::Properties::edit.property_id);
4185         commit_reversible_command ();
4186 }
4187
4188 /**
4189  *  Use a copy of the current playlist for a given track and also any others that belong
4190  *  to the same active route group with the `edit' property.
4191  *  @param v Track.
4192  */
4193
4194 void
4195 Editor::copy_playlists (TimeAxisView* v)
4196 {
4197         begin_reversible_command (_("copy playlists"));
4198         vector<boost::shared_ptr<ARDOUR::Playlist> > playlists;
4199         _session->playlists->get (playlists);
4200         mapover_tracks (sigc::bind (sigc::mem_fun (*this, &Editor::mapped_use_copy_playlist), playlists), v, ARDOUR::Properties::edit.property_id);
4201         commit_reversible_command ();
4202 }
4203
4204 /** Clear the current playlist for a given track and also any others that belong
4205  *  to the same active route group with the `edit' property.
4206  *  @param v Track.
4207  */
4208
4209 void
4210 Editor::clear_playlists (TimeAxisView* v)
4211 {
4212         begin_reversible_command (_("clear playlists"));
4213         vector<boost::shared_ptr<ARDOUR::Playlist> > playlists;
4214         _session->playlists->get (playlists);
4215         mapover_tracks (sigc::mem_fun (*this, &Editor::mapped_clear_playlist), v, ARDOUR::Properties::edit.property_id);
4216         commit_reversible_command ();
4217 }
4218
4219 void
4220 Editor::mapped_use_new_playlist (RouteTimeAxisView& atv, uint32_t sz, vector<boost::shared_ptr<ARDOUR::Playlist> > const & playlists)
4221 {
4222         atv.use_new_playlist (sz > 1 ? false : true, playlists);
4223 }
4224
4225 void
4226 Editor::mapped_use_copy_playlist (RouteTimeAxisView& atv, uint32_t sz, vector<boost::shared_ptr<ARDOUR::Playlist> > const & playlists)
4227 {
4228         atv.use_copy_playlist (sz > 1 ? false : true, playlists);
4229 }
4230
4231 void
4232 Editor::mapped_clear_playlist (RouteTimeAxisView& atv, uint32_t /*sz*/)
4233 {
4234         atv.clear_playlist ();
4235 }
4236
4237 bool
4238 Editor::on_key_press_event (GdkEventKey* ev)
4239 {
4240         return key_press_focus_accelerator_handler (*this, ev);
4241 }
4242
4243 bool
4244 Editor::on_key_release_event (GdkEventKey* ev)
4245 {
4246         return Gtk::Window::on_key_release_event (ev);
4247         // return key_press_focus_accelerator_handler (*this, ev);
4248 }
4249
4250 /** Queue up a change to the viewport x origin.
4251  *  @param frame New x origin.
4252  */
4253 void
4254 Editor::reset_x_origin (nframes64_t frame)
4255 {
4256         queue_visual_change (frame);
4257 }
4258
4259 void
4260 Editor::reset_y_origin (double y)
4261 {
4262         queue_visual_change_y (y);
4263 }
4264
4265 void
4266 Editor::reset_zoom (double fpu)
4267 {
4268         queue_visual_change (fpu);
4269 }
4270
4271 void
4272 Editor::reposition_and_zoom (nframes64_t frame, double fpu)
4273 {
4274         reset_x_origin (frame);
4275         reset_zoom (fpu);
4276
4277         if (!no_save_visual) {
4278                 undo_visual_stack.push_back (current_visual_state(false));
4279         }
4280 }
4281
4282 Editor::VisualState*
4283 Editor::current_visual_state (bool with_tracks)
4284 {
4285         VisualState* vs = new VisualState;
4286         vs->y_position = vertical_adjustment.get_value();
4287         vs->frames_per_unit = frames_per_unit;
4288         vs->leftmost_frame = leftmost_frame;
4289         vs->zoom_focus = zoom_focus;
4290
4291         if (with_tracks) {
4292                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
4293                         vs->track_states.push_back (TAVState ((*i), &(*i)->get_state()));
4294                 }
4295         }
4296
4297         return vs;
4298 }
4299
4300 void
4301 Editor::undo_visual_state ()
4302 {
4303         if (undo_visual_stack.empty()) {
4304                 return;
4305         }
4306
4307         redo_visual_stack.push_back (current_visual_state());
4308
4309         VisualState* vs = undo_visual_stack.back();
4310         undo_visual_stack.pop_back();
4311         use_visual_state (*vs);
4312 }
4313
4314 void
4315 Editor::redo_visual_state ()
4316 {
4317         if (redo_visual_stack.empty()) {
4318                 return;
4319         }
4320
4321         undo_visual_stack.push_back (current_visual_state());
4322
4323         VisualState* vs = redo_visual_stack.back();
4324         redo_visual_stack.pop_back();
4325         use_visual_state (*vs);
4326 }
4327
4328 void
4329 Editor::swap_visual_state ()
4330 {
4331         if (undo_visual_stack.empty()) {
4332                 redo_visual_state ();
4333         } else {
4334                 undo_visual_state ();
4335         }
4336 }
4337
4338 void
4339 Editor::use_visual_state (VisualState& vs)
4340 {
4341         no_save_visual = true;
4342
4343         _routes->suspend_redisplay ();
4344
4345         vertical_adjustment.set_value (vs.y_position);
4346
4347         set_zoom_focus (vs.zoom_focus);
4348         reposition_and_zoom (vs.leftmost_frame, vs.frames_per_unit);
4349
4350         for (list<TAVState>::iterator i = vs.track_states.begin(); i != vs.track_states.end(); ++i) {
4351                 TrackViewList::iterator t;
4352
4353                 /* check if the track still exists - it could have been deleted */
4354
4355                 if ((t = find (track_views.begin(), track_views.end(), i->first)) != track_views.end()) {
4356                         (*t)->set_state (*(i->second), Stateful::loading_state_version);
4357                 }
4358         }
4359
4360
4361         if (!vs.track_states.empty()) {
4362                 _routes->update_visibility ();
4363         }
4364
4365         _routes->resume_redisplay ();
4366
4367         no_save_visual = false;
4368 }
4369
4370 void
4371 Editor::set_frames_per_unit (double fpu)
4372 {
4373         /* this is the core function that controls the zoom level of the canvas. it is called
4374            whenever one or more calls are made to reset_zoom(). it executes in an idle handler.
4375         */
4376
4377         if (fpu == frames_per_unit) {
4378                 return;
4379         }
4380
4381         if (fpu < 2.0) {
4382                 fpu = 2.0;
4383         }
4384
4385
4386         /* don't allow zooms that fit more than the maximum number
4387            of frames into an 800 pixel wide space.
4388         */
4389
4390         if (max_frames / fpu < 800.0) {
4391                 return;
4392         }
4393
4394         if (tempo_lines)
4395                 tempo_lines->tempo_map_changed();
4396
4397         frames_per_unit = fpu;
4398         post_zoom ();
4399 }
4400
4401 void
4402 Editor::post_zoom ()
4403 {
4404         // convert fpu to frame count
4405
4406         nframes64_t frames = (nframes64_t) floor (frames_per_unit * _canvas_width);
4407
4408         if (frames_per_unit != zoom_range_clock.current_duration()) {
4409                 zoom_range_clock.set (frames);
4410         }
4411
4412         if (mouse_mode == MouseRange && selection->time.start () != selection->time.end_frame ()) {
4413                 for (TrackViewList::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
4414                         (*i)->reshow_selection (selection->time);
4415                 }
4416         }
4417
4418         ZoomChanged (); /* EMIT_SIGNAL */
4419
4420         //reset_scrolling_region ();
4421
4422         if (playhead_cursor) {
4423                 playhead_cursor->set_position (playhead_cursor->current_frame);
4424         }
4425
4426         refresh_location_display();
4427         _summary->set_overlays_dirty ();
4428
4429         instant_save ();
4430 }
4431
4432 void
4433 Editor::queue_visual_change (nframes64_t where)
4434 {
4435         pending_visual_change.add (VisualChange::TimeOrigin);
4436         pending_visual_change.time_origin = where;
4437         ensure_visual_change_idle_handler ();
4438 }
4439
4440 void
4441 Editor::queue_visual_change (double fpu)
4442 {
4443         pending_visual_change.add (VisualChange::ZoomLevel);
4444         pending_visual_change.frames_per_unit = fpu;
4445
4446         ensure_visual_change_idle_handler ();
4447 }
4448
4449 void
4450 Editor::queue_visual_change_y (double y)
4451 {
4452         pending_visual_change.add (VisualChange::YOrigin);
4453         pending_visual_change.y_origin = y;
4454
4455         ensure_visual_change_idle_handler ();
4456 }
4457
4458 void
4459 Editor::ensure_visual_change_idle_handler ()
4460 {
4461         if (pending_visual_change.idle_handler_id < 0) {
4462                 pending_visual_change.idle_handler_id = g_idle_add (_idle_visual_changer, this);
4463         }
4464 }
4465
4466 int
4467 Editor::_idle_visual_changer (void* arg)
4468 {
4469         return static_cast<Editor*>(arg)->idle_visual_changer ();
4470 }
4471
4472 int
4473 Editor::idle_visual_changer ()
4474 {
4475         VisualChange::Type p = pending_visual_change.pending;
4476         pending_visual_change.pending = (VisualChange::Type) 0;
4477
4478         double last_time_origin = horizontal_position ();
4479
4480         if (p & VisualChange::ZoomLevel) {
4481                 set_frames_per_unit (pending_visual_change.frames_per_unit);
4482
4483                 compute_fixed_ruler_scale ();
4484                 compute_current_bbt_points(pending_visual_change.time_origin, pending_visual_change.time_origin + current_page_frames());
4485                 compute_bbt_ruler_scale (pending_visual_change.time_origin, pending_visual_change.time_origin + current_page_frames());
4486                 update_tempo_based_rulers ();
4487         }
4488         if (p & VisualChange::TimeOrigin) {
4489                 set_horizontal_position (pending_visual_change.time_origin / frames_per_unit);
4490         }
4491         if (p & VisualChange::YOrigin) {
4492                 vertical_adjustment.set_value (pending_visual_change.y_origin);
4493         }
4494
4495         if (last_time_origin == horizontal_position ()) {
4496                 /* changed signal not emitted */
4497                 update_fixed_rulers ();
4498                 redisplay_tempo (true);
4499         }
4500
4501         _summary->set_overlays_dirty ();
4502
4503         pending_visual_change.idle_handler_id = -1;
4504         return 0; /* this is always a one-shot call */
4505 }
4506
4507 struct EditorOrderTimeAxisSorter {
4508     bool operator() (const TimeAxisView* a, const TimeAxisView* b) const {
4509             return a->order () < b->order ();
4510     }
4511 };
4512
4513 void
4514 Editor::sort_track_selection (TrackViewList* sel)
4515 {
4516         EditorOrderTimeAxisSorter cmp;
4517
4518         if (sel) {
4519                 sel->sort (cmp);
4520         } else {
4521                 selection->tracks.sort (cmp);
4522         }
4523 }
4524
4525 nframes64_t
4526 Editor::get_preferred_edit_position (bool ignore_playhead)
4527 {
4528         bool ignored;
4529         nframes64_t where = 0;
4530         EditPoint ep = _edit_point;
4531
4532         if (entered_marker) {
4533                 return entered_marker->position();
4534         }
4535
4536         if (ignore_playhead && ep == EditAtPlayhead) {
4537                 ep = EditAtSelectedMarker;
4538         }
4539
4540         switch (ep) {
4541         case EditAtPlayhead:
4542                 where = _session->audible_frame();
4543                 break;
4544
4545         case EditAtSelectedMarker:
4546                 if (!selection->markers.empty()) {
4547                         bool is_start;
4548                         Location* loc = find_location_from_marker (selection->markers.front(), is_start);
4549                         if (loc) {
4550                                 if (is_start) {
4551                                         where =  loc->start();
4552                                 } else {
4553                                         where = loc->end();
4554                                 }
4555                                 break;
4556                         }
4557                 }
4558                 /* fallthru */
4559
4560         default:
4561         case EditAtMouse:
4562                 if (!mouse_frame (where, ignored)) {
4563                         /* XXX not right but what can we do ? */
4564                         return 0;
4565                 }
4566                 snap_to (where);
4567                 break;
4568         }
4569
4570         return where;
4571 }
4572
4573 void
4574 Editor::set_loop_range (nframes64_t start, nframes64_t end, string cmd)
4575 {
4576         if (!_session) return;
4577
4578         begin_reversible_command (cmd);
4579
4580         Location* tll;
4581
4582         if ((tll = transport_loop_location()) == 0) {
4583                 Location* loc = new Location (start, end, _("Loop"),  Location::IsAutoLoop);
4584                 XMLNode &before = _session->locations()->get_state();
4585                 _session->locations()->add (loc, true);
4586                 _session->set_auto_loop_location (loc);
4587                 XMLNode &after = _session->locations()->get_state();
4588                 _session->add_command (new MementoCommand<Locations>(*(_session->locations()), &before, &after));
4589         } else {
4590                 XMLNode &before = tll->get_state();
4591                 tll->set_hidden (false, this);
4592                 tll->set (start, end);
4593                 XMLNode &after = tll->get_state();
4594                 _session->add_command (new MementoCommand<Location>(*tll, &before, &after));
4595         }
4596
4597         commit_reversible_command ();
4598 }
4599
4600 void
4601 Editor::set_punch_range (nframes64_t start, nframes64_t end, string cmd)
4602 {
4603         if (!_session) return;
4604
4605         begin_reversible_command (cmd);
4606
4607         Location* tpl;
4608
4609         if ((tpl = transport_punch_location()) == 0) {
4610                 Location* loc = new Location (start, end, _("Loop"),  Location::IsAutoPunch);
4611                 XMLNode &before = _session->locations()->get_state();
4612                 _session->locations()->add (loc, true);
4613                 _session->set_auto_loop_location (loc);
4614                 XMLNode &after = _session->locations()->get_state();
4615                 _session->add_command (new MementoCommand<Locations>(*(_session->locations()), &before, &after));
4616         }
4617         else {
4618                 XMLNode &before = tpl->get_state();
4619                 tpl->set_hidden (false, this);
4620                 tpl->set (start, end);
4621                 XMLNode &after = tpl->get_state();
4622                 _session->add_command (new MementoCommand<Location>(*tpl, &before, &after));
4623         }
4624
4625         commit_reversible_command ();
4626 }
4627
4628 /** Find regions which exist at a given time, and optionally on a given list of tracks.
4629  *  @param rs List to which found regions are added.
4630  *  @param where Time to look at.
4631  *  @param ts Tracks to look on; if this is empty, all tracks are examined.
4632  */
4633 void
4634 Editor::get_regions_at (RegionSelection& rs, nframes64_t where, const TrackViewList& ts) const
4635 {
4636         const TrackViewList* tracks;
4637
4638         if (ts.empty()) {
4639                 tracks = &track_views;
4640         } else {
4641                 tracks = &ts;
4642         }
4643
4644         for (TrackViewList::const_iterator t = tracks->begin(); t != tracks->end(); ++t) {
4645                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(*t);
4646                 if (rtv) {
4647                         boost::shared_ptr<Track> tr;
4648                         boost::shared_ptr<Playlist> pl;
4649
4650                         if ((tr = rtv->track()) && ((pl = tr->playlist()))) {
4651
4652                                 Playlist::RegionList* regions = pl->regions_at (
4653                                                 (nframes64_t) floor ( (double)where * tr->speed()));
4654
4655                                 for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
4656                                         RegionView* rv = rtv->view()->find_view (*i);
4657                                         if (rv) {
4658                                                 rs.add (rv);
4659                                         }
4660                                 }
4661
4662                                 delete regions;
4663                         }
4664                 }
4665         }
4666 }
4667
4668 void
4669 Editor::get_regions_after (RegionSelection& rs, nframes64_t where, const TrackViewList& ts) const
4670 {
4671         const TrackViewList* tracks;
4672
4673         if (ts.empty()) {
4674                 tracks = &track_views;
4675         } else {
4676                 tracks = &ts;
4677         }
4678
4679         for (TrackViewList::const_iterator t = tracks->begin(); t != tracks->end(); ++t) {
4680                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(*t);
4681                 if (rtv) {
4682                         boost::shared_ptr<Track> tr;
4683                         boost::shared_ptr<Playlist> pl;
4684
4685                         if ((tr = rtv->track()) && ((pl = tr->playlist()))) {
4686
4687                                 Playlist::RegionList* regions = pl->regions_touched (
4688                                                 (nframes64_t) floor ( (double)where * tr->speed()), max_frames);
4689
4690                                 for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
4691
4692                                         RegionView* rv = rtv->view()->find_view (*i);
4693
4694                                         if (rv) {
4695                                                 rs.push_back (rv);
4696                                         }
4697                                 }
4698
4699                                 delete regions;
4700                         }
4701                 }
4702         }
4703 }
4704
4705 /** Find all regions which are either:
4706  *      - selected or
4707  *      - the entered_regionview (if allow_entered == true) or
4708  *      - under the preferred edit position AND on a selected track, or on a track
4709  *        which is in the same active edit-enable route group as a selected region (if allow_edit_position == true)
4710  *  @param rs Returned region list.
4711  *  @param allow_entered true to include the entered_regionview in the list.
4712  */
4713 void
4714 Editor::get_regions_for_action (RegionSelection& rs, bool allow_entered, bool allow_edit_position)
4715 {
4716         /* Start with selected regions */
4717         rs = selection->regions;
4718
4719         /* Add the entered_regionview, if requested */
4720         if (allow_entered && entered_regionview) {
4721                 rs.add (entered_regionview);
4722         }
4723
4724         if (allow_edit_position) {
4725
4726                 TrackViewList tracks = selection->tracks;
4727
4728                 /* tracks is currently the set of selected tracks; add any other tracks that
4729                  * have regions that are in the same edit-activated route group as one of
4730                  * our regions */
4731                 for (RegionSelection::iterator i = rs.begin (); i != rs.end(); ++i) {
4732
4733                         RouteGroup* g = (*i)->get_time_axis_view().route_group ();
4734                         if (g && g->is_active() && g->is_edit()) {
4735                                 tracks.add (axis_views_from_routes (g->route_list()));
4736                         }
4737
4738                 }
4739
4740                 if (!tracks.empty()) {
4741                         /* now find regions that are at the edit position on those tracks */
4742                         nframes64_t const where = get_preferred_edit_position ();
4743                         get_regions_at (rs, where, tracks);
4744                 }
4745         }
4746 }
4747
4748 void
4749 Editor::get_regions_corresponding_to (boost::shared_ptr<Region> region, vector<RegionView*>& regions)
4750 {
4751         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
4752
4753                 RouteTimeAxisView* tatv;
4754
4755                 if ((tatv = dynamic_cast<RouteTimeAxisView*> (*i)) != 0) {
4756
4757                         boost::shared_ptr<Playlist> pl;
4758                         vector<boost::shared_ptr<Region> > results;
4759                         RegionView* marv;
4760                         boost::shared_ptr<Track> tr;
4761
4762                         if ((tr = tatv->track()) == 0) {
4763                                 /* bus */
4764                                 continue;
4765                         }
4766
4767                         if ((pl = (tr->playlist())) != 0) {
4768                                 pl->get_region_list_equivalent_regions (region, results);
4769                         }
4770
4771                         for (vector<boost::shared_ptr<Region> >::iterator ir = results.begin(); ir != results.end(); ++ir) {
4772                                 if ((marv = tatv->view()->find_view (*ir)) != 0) {
4773                                         regions.push_back (marv);
4774                                 }
4775                         }
4776
4777                 }
4778         }
4779 }
4780
4781 void
4782 Editor::show_rhythm_ferret ()
4783 {
4784         if (rhythm_ferret == 0) {
4785                 rhythm_ferret = new RhythmFerret(*this);
4786         }
4787
4788         rhythm_ferret->set_session (_session);
4789         rhythm_ferret->show ();
4790         rhythm_ferret->present ();
4791 }
4792
4793 void
4794 Editor::show_global_port_matrix (ARDOUR::DataType t)
4795 {
4796         if (_global_port_matrix[t] == 0) {
4797                 _global_port_matrix[t] = new GlobalPortMatrixWindow (_session, t);
4798         }
4799
4800         _global_port_matrix[t]->show ();
4801 }
4802
4803 void
4804 Editor::first_idle ()
4805 {
4806         MessageDialog* dialog = 0;
4807
4808         if (track_views.size() > 1) {
4809                 dialog = new MessageDialog (*this,
4810                                             string_compose (_("Please wait while %1 loads visual data"), PROGRAM_NAME),
4811                                             true,
4812                                             Gtk::MESSAGE_INFO,
4813                                             Gtk::BUTTONS_NONE);
4814                 dialog->present ();
4815                 ARDOUR_UI::instance()->flush_pending ();
4816         }
4817
4818         for (TrackViewList::iterator t = track_views.begin(); t != track_views.end(); ++t) {
4819                 (*t)->first_idle();
4820         }
4821
4822         // first idle adds route children (automation tracks), so we need to redisplay here
4823         _routes->redisplay ();
4824
4825         delete dialog;
4826
4827         _have_idled = true;
4828 }
4829
4830 gboolean
4831 Editor::_idle_resize (gpointer arg)
4832 {
4833         return ((Editor*)arg)->idle_resize ();
4834 }
4835
4836 void
4837 Editor::add_to_idle_resize (TimeAxisView* view, int32_t h)
4838 {
4839         if (resize_idle_id < 0) {
4840                 resize_idle_id = g_idle_add (_idle_resize, this);
4841                 _pending_resize_amount = 0;
4842         }
4843
4844         /* make a note of the smallest resulting height, so that we can clamp the
4845            lower limit at TimeAxisView::hSmall */
4846
4847         int32_t min_resulting = INT32_MAX;
4848
4849         _pending_resize_amount += h;
4850         _pending_resize_view = view;
4851
4852         min_resulting = min (min_resulting, int32_t (_pending_resize_view->current_height()) + _pending_resize_amount);
4853
4854         if (selection->tracks.contains (_pending_resize_view)) {
4855                 for (TrackViewList::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
4856                         min_resulting = min (min_resulting, int32_t ((*i)->current_height()) + _pending_resize_amount);
4857                 }
4858         }
4859
4860         if (min_resulting < 0) {
4861                 min_resulting = 0;
4862         }
4863
4864         /* clamp */
4865         if (uint32_t (min_resulting) < TimeAxisView::preset_height (HeightSmall)) {
4866                 _pending_resize_amount += TimeAxisView::preset_height (HeightSmall) - min_resulting;
4867         }
4868 }
4869
4870 /** Handle pending resizing of tracks */
4871 bool
4872 Editor::idle_resize ()
4873 {
4874         _pending_resize_view->idle_resize (_pending_resize_view->current_height() + _pending_resize_amount);
4875
4876         if (dynamic_cast<AutomationTimeAxisView*> (_pending_resize_view) == 0 &&
4877             selection->tracks.contains (_pending_resize_view)) {
4878
4879                 for (TrackViewList::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
4880                         if (*i != _pending_resize_view) {
4881                                 (*i)->idle_resize ((*i)->current_height() + _pending_resize_amount);
4882                         }
4883                 }
4884         }
4885
4886         _pending_resize_amount = 0;
4887         flush_canvas ();
4888         _group_tabs->set_dirty ();
4889         resize_idle_id = -1;
4890
4891         return false;
4892 }
4893
4894 void
4895 Editor::located ()
4896 {
4897         ENSURE_GUI_THREAD (*this, &Editor::located);
4898
4899         playhead_cursor->set_position (_session->audible_frame ());
4900         if (_follow_playhead && !_pending_initial_locate) {
4901                 reset_x_origin_to_follow_playhead ();
4902         }
4903
4904         _pending_locate_request = false;
4905         _pending_initial_locate = false;
4906 }
4907
4908 void
4909 Editor::region_view_added (RegionView *)
4910 {
4911         _summary->set_dirty ();
4912 }
4913
4914 TimeAxisView*
4915 Editor::axis_view_from_route (boost::shared_ptr<Route> r) const
4916 {
4917         TrackViewList::const_iterator j = track_views.begin ();
4918         while (j != track_views.end()) {
4919                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (*j);
4920                 if (rtv && rtv->route() == r) {
4921                         return rtv;
4922                 }
4923                 ++j;
4924         }
4925
4926         return 0;
4927 }
4928
4929
4930 TrackViewList
4931 Editor::axis_views_from_routes (boost::shared_ptr<RouteList> r) const
4932 {
4933         TrackViewList t;
4934
4935         for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
4936                 TimeAxisView* tv = axis_view_from_route (*i);
4937                 if (tv) {
4938                         t.push_back (tv);
4939                 }
4940         }
4941
4942         return t;
4943 }
4944
4945
4946 void
4947 Editor::handle_new_route (RouteList& routes)
4948 {
4949         ENSURE_GUI_THREAD (*this, &Editor::handle_new_route, routes)
4950
4951         RouteTimeAxisView *rtv;
4952         list<RouteTimeAxisView*> new_views;
4953
4954         for (RouteList::iterator x = routes.begin(); x != routes.end(); ++x) {
4955                 boost::shared_ptr<Route> route = (*x);
4956
4957                 if (route->is_hidden() || route->is_monitor()) {
4958                         continue;
4959                 }
4960
4961                 DataType dt = route->input()->default_type();
4962
4963                 if (dt == ARDOUR::DataType::AUDIO) {
4964                         rtv = new AudioTimeAxisView (*this, _session, route, *track_canvas);
4965                 } else if (dt == ARDOUR::DataType::MIDI) {
4966                         rtv = new MidiTimeAxisView (*this, _session, route, *track_canvas);
4967                 } else {
4968                         throw unknown_type();
4969                 }
4970
4971                 new_views.push_back (rtv);
4972                 track_views.push_back (rtv);
4973
4974                 rtv->effective_gain_display ();
4975
4976                 rtv->view()->RegionViewAdded.connect (sigc::mem_fun (*this, &Editor::region_view_added));
4977         }
4978
4979         _routes->routes_added (new_views);
4980
4981         if (show_editor_mixer_when_tracks_arrive) {
4982                 show_editor_mixer (true);
4983         }
4984
4985         editor_list_button.set_sensitive (true);
4986
4987         _summary->set_dirty ();
4988 }
4989
4990 void
4991 Editor::timeaxisview_deleted (TimeAxisView *tv)
4992 {
4993         if (_session && _session->deletion_in_progress()) {
4994                 /* the situation is under control */
4995                 return;
4996         }
4997
4998         ENSURE_GUI_THREAD (*this, &Editor::timeaxisview_deleted, tv);
4999
5000
5001         _routes->route_removed (tv);
5002
5003         if (tv == entered_track) {
5004                 entered_track = 0;
5005         }
5006
5007         /* remove it from the list of track views */
5008
5009         TrackViewList::iterator i;
5010
5011         if ((i = find (track_views.begin(), track_views.end(), tv)) != track_views.end()) {
5012                 i = track_views.erase (i);
5013         }
5014
5015         /* update whatever the current mixer strip is displaying, if revelant */
5016
5017         boost::shared_ptr<Route> route;
5018         RouteTimeAxisView* rtav = dynamic_cast<RouteTimeAxisView*> (tv);
5019
5020         if (rtav) {
5021                 route = rtav->route ();
5022         }
5023
5024         if (current_mixer_strip && current_mixer_strip->route() == route) {
5025
5026                 TimeAxisView* next_tv;
5027
5028                 if (track_views.empty()) {
5029                         next_tv = 0;
5030                 } else if (i == track_views.end()) {
5031                         next_tv = track_views.front();
5032                 } else {
5033                         next_tv = (*i);
5034                 }
5035
5036
5037                 if (next_tv) {
5038                         set_selected_mixer_strip (*next_tv);
5039                 } else {
5040                         /* make the editor mixer strip go away setting the
5041                          * button to inactive (which also unticks the menu option)
5042                          */
5043
5044                         ActionManager::uncheck_toggleaction ("<Actions>/Editor/show-editor-mixer");
5045                 }
5046         }
5047 }
5048
5049 void
5050 Editor::hide_track_in_display (TimeAxisView* tv, bool /*temponly*/)
5051 {
5052         RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (tv);
5053
5054         if (rtv && current_mixer_strip && (rtv->route() == current_mixer_strip->route())) {
5055                 // this will hide the mixer strip
5056                 set_selected_mixer_strip (*tv);
5057         }
5058
5059         _routes->hide_track_in_display (*tv);
5060 }
5061
5062 bool
5063 Editor::sync_track_view_list_and_routes ()
5064 {
5065         track_views = TrackViewList (_routes->views ());
5066
5067         _summary->set_dirty ();
5068         _group_tabs->set_dirty ();
5069
5070         return false; // do not call again (until needed)
5071 }
5072
5073 void
5074 Editor::foreach_time_axis_view (sigc::slot<void,TimeAxisView&> theslot)
5075 {
5076         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5077                 theslot (**i);
5078         }
5079 }
5080
5081 RouteTimeAxisView*
5082 Editor::get_route_view_by_id (PBD::ID& id)
5083 {
5084         RouteTimeAxisView* v;
5085
5086         for(TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5087                 if((v = dynamic_cast<RouteTimeAxisView*>(*i)) != 0) {
5088                         if(v->route()->id() == id) {
5089                                 return v;
5090                         }
5091                 }
5092         }
5093
5094         return 0;
5095 }
5096
5097 void
5098 Editor::fit_route_group (RouteGroup *g)
5099 {
5100         TrackViewList ts = axis_views_from_routes (g->route_list ());
5101         fit_tracks (ts);
5102 }
5103
5104 void
5105 Editor::consider_auditioning (boost::shared_ptr<Region> region)
5106 {
5107         boost::shared_ptr<AudioRegion> r = boost::dynamic_pointer_cast<AudioRegion> (region);
5108
5109         if (r == 0) {
5110                 _session->cancel_audition ();
5111                 return;
5112         }
5113
5114         if (_session->is_auditioning()) {
5115                 _session->cancel_audition ();
5116                 if (r == last_audition_region) {
5117                         return;
5118                 }
5119         }
5120
5121         _session->audition_region (r);
5122         last_audition_region = r;
5123 }
5124
5125
5126 void
5127 Editor::hide_a_region (boost::shared_ptr<Region> r)
5128 {
5129         r->set_hidden (true);
5130 }
5131
5132 void
5133 Editor::show_a_region (boost::shared_ptr<Region> r)
5134 {
5135         r->set_hidden (false);
5136 }
5137
5138 void
5139 Editor::audition_region_from_region_list ()
5140 {
5141         _regions->selection_mapover (sigc::mem_fun (*this, &Editor::consider_auditioning));
5142 }
5143
5144 void
5145 Editor::hide_region_from_region_list ()
5146 {
5147         _regions->selection_mapover (sigc::mem_fun (*this, &Editor::hide_a_region));
5148 }
5149
5150 void
5151 Editor::show_region_in_region_list ()
5152 {
5153         _regions->selection_mapover (sigc::mem_fun (*this, &Editor::show_a_region));
5154 }
5155
5156 void
5157 Editor::start_step_editing ()
5158 {
5159         step_edit_connection = Glib::signal_timeout().connect (sigc::mem_fun (*this, &Editor::check_step_edit), 20);
5160 }
5161
5162 void
5163 Editor::stop_step_editing ()
5164 {
5165         step_edit_connection.disconnect ();
5166 }
5167
5168 bool
5169 Editor::check_step_edit ()
5170 {
5171         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5172                 MidiTimeAxisView* mtv = dynamic_cast<MidiTimeAxisView*> (*i);
5173                 if (mtv) {
5174                         mtv->check_step_edit ();
5175                 }
5176         }
5177
5178         return true; // do it again, till we stop
5179 }
5180
5181 bool
5182 Editor::horizontal_scroll_left_press ()
5183 {
5184         ++_scroll_callbacks;
5185
5186         if (_scroll_connection.connected() && _scroll_callbacks < 5) {
5187                 /* delay the first auto-repeat */
5188                 return true;
5189         }
5190
5191         double x = leftmost_position() - current_page_frames() / 5;
5192         if (x < 0) {
5193                 x = 0;
5194         }
5195
5196         reset_x_origin (x);
5197
5198         /* do hacky auto-repeat */
5199         if (!_scroll_connection.connected ()) {
5200                 _scroll_connection = Glib::signal_timeout().connect (sigc::mem_fun (*this, &Editor::horizontal_scroll_left_press), 100);
5201                 _scroll_callbacks = 0;
5202         }
5203
5204         return true;
5205 }
5206
5207 void
5208 Editor::horizontal_scroll_left_release ()
5209 {
5210         _scroll_connection.disconnect ();
5211 }
5212
5213 bool
5214 Editor::horizontal_scroll_right_press ()
5215 {
5216         ++_scroll_callbacks;
5217
5218         if (_scroll_connection.connected() && _scroll_callbacks < 5) {
5219                 /* delay the first auto-repeat */
5220                 return true;
5221         }
5222
5223         reset_x_origin (leftmost_position() + current_page_frames() / 5);
5224
5225         /* do hacky auto-repeat */
5226         if (!_scroll_connection.connected ()) {
5227                 _scroll_connection = Glib::signal_timeout().connect (sigc::mem_fun (*this, &Editor::horizontal_scroll_right_press), 100);
5228                 _scroll_callbacks = 0;
5229         }
5230
5231         return true;
5232 }
5233
5234 void
5235 Editor::horizontal_scroll_right_release ()
5236 {
5237         _scroll_connection.disconnect ();
5238 }
5239
5240 /** Queue a change for the Editor viewport x origin to follow the playhead */
5241 void
5242 Editor::reset_x_origin_to_follow_playhead ()
5243 {
5244         nframes64_t const frame = playhead_cursor->current_frame;
5245
5246         if (frame < leftmost_frame || frame > leftmost_frame + current_page_frames()) {
5247
5248                 if (_session->transport_speed() < 0) {
5249
5250                         if (frame > (current_page_frames() / 2)) {
5251                                 center_screen (frame-(current_page_frames()/2));
5252                         } else {
5253                                 center_screen (current_page_frames()/2);
5254                         }
5255
5256                 } else {
5257
5258                         if (frame < leftmost_frame) {
5259                                 /* moving left */
5260                                 nframes64_t l = 0;
5261                                 if (_session->transport_rolling()) {
5262                                         /* rolling; end up with the playhead at the right of the page */
5263                                         l = frame - current_page_frames ();
5264                                 } else {
5265                                         /* not rolling: end up with the playhead 3/4 of the way along the page */
5266                                         l = frame - (3 * current_page_frames() / 4);
5267                                 }
5268
5269                                 if (l < 0) {
5270                                         l = 0;
5271                                 }
5272
5273                                 center_screen_internal (l + (current_page_frames() / 2), current_page_frames ());
5274                         } else {
5275                                 /* moving right */
5276                                 if (_session->transport_rolling()) {
5277                                         /* rolling: end up with the playhead on the left of the page */
5278                                         center_screen_internal (frame + (current_page_frames() / 2), current_page_frames ());
5279                                 } else {
5280                                         /* not rolling: end up with the playhead 1/4 of the way along the page */
5281                                         center_screen_internal (frame + (current_page_frames() / 4), current_page_frames ());
5282                                 }
5283                         }
5284                 }
5285         }
5286 }
5287
5288 void
5289 Editor::super_rapid_screen_update ()
5290 {
5291         if (!_session || !_session->engine().running()) {
5292                 return;
5293         }
5294
5295         /* METERING / MIXER STRIPS */
5296
5297         /* update track meters, if required */
5298         if (is_mapped() && meters_running) {
5299                 RouteTimeAxisView* rtv;
5300                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5301                         if ((rtv = dynamic_cast<RouteTimeAxisView*>(*i)) != 0) {
5302                                 rtv->fast_update ();
5303                         }
5304                 }
5305         }
5306
5307         /* and any current mixer strip */
5308         if (current_mixer_strip) {
5309                 current_mixer_strip->fast_update ();
5310         }
5311
5312         /* PLAYHEAD AND VIEWPORT */
5313
5314         nframes64_t const frame = _session->audible_frame();
5315
5316         /* There are a few reasons why we might not update the playhead / viewport stuff:
5317          *
5318          * 1.  we don't update things when there's a pending locate request, otherwise
5319          *     when the editor requests a locate there is a chance that this method
5320          *     will move the playhead before the locate request is processed, causing
5321          *     a visual glitch.
5322          * 2.  if we're not rolling, there's nothing to do here (locates are handled elsewhere).
5323          * 3.  if we're still at the same frame that we were last time, there's nothing to do.
5324          */
5325
5326         if (!_pending_locate_request && _session->transport_speed() != 0 && frame != last_update_frame) {
5327
5328                 last_update_frame = frame;
5329
5330                 if (!_dragging_playhead) {
5331                         playhead_cursor->set_position (frame);
5332                 }
5333
5334                 if (!_stationary_playhead) {
5335
5336                         if (!_dragging_playhead && _follow_playhead && _session->requested_return_frame() < 0) {
5337                                 reset_x_origin_to_follow_playhead ();
5338                         }
5339
5340                 } else {
5341
5342                         /* don't do continuous scroll till the new position is in the rightmost quarter of the
5343                            editor canvas
5344                         */
5345 #if 0
5346                         // FIXME DO SOMETHING THAT WORKS HERE - this is 2.X code
5347                         double target = ((double)frame - (double)current_page_frames()/2.0) / frames_per_unit;
5348                         if (target <= 0.0) {
5349                                 target = 0.0;
5350                         }
5351                         if (fabs(target - current) < current_page_frames() / frames_per_unit) {
5352                                 target = (target * 0.15) + (current * 0.85);
5353                         } else {
5354                                 /* relax */
5355                         }
5356
5357                         current = target;
5358                         set_horizontal_position (current);
5359 #endif
5360                 }
5361
5362         }
5363 }
5364
5365
5366 void
5367 Editor::session_going_away ()
5368 {
5369         _have_idled = false;
5370
5371         _session_connections.drop_connections ();
5372
5373         super_rapid_screen_update_connection.disconnect ();
5374
5375         selection->clear ();
5376         cut_buffer->clear ();
5377
5378         clicked_regionview = 0;
5379         clicked_axisview = 0;
5380         clicked_routeview = 0;
5381         clicked_crossfadeview = 0;
5382         entered_regionview = 0;
5383         entered_track = 0;
5384         last_update_frame = 0;
5385         _drags->abort ();
5386
5387         playhead_cursor->canvas_item.hide ();
5388
5389         /* rip everything out of the list displays */
5390
5391         _regions->clear ();
5392         _routes->clear ();
5393         _route_groups->clear ();
5394
5395         /* do this first so that deleting a track doesn't reset cms to null
5396            and thus cause a leak.
5397         */
5398
5399         if (current_mixer_strip) {
5400                 if (current_mixer_strip->get_parent() != 0) {
5401                         global_hpacker.remove (*current_mixer_strip);
5402                 }
5403                 delete current_mixer_strip;
5404                 current_mixer_strip = 0;
5405         }
5406
5407         /* delete all trackviews */
5408
5409         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5410                 delete *i;
5411         }
5412         track_views.clear ();
5413
5414         zoom_range_clock.set_session (0);
5415         nudge_clock.set_session (0);
5416
5417         editor_list_button.set_active(false);
5418         editor_list_button.set_sensitive(false);
5419
5420         /* clear tempo/meter rulers */
5421         remove_metric_marks ();
5422         hide_measures ();
5423         clear_marker_display ();
5424
5425         delete current_bbt_points;
5426         current_bbt_points = 0;
5427
5428         /* get rid of any existing editor mixer strip */
5429
5430         WindowTitle title(Glib::get_application_name());
5431         title += _("Editor");
5432
5433         set_title (title.get_string());
5434
5435         SessionHandlePtr::session_going_away ();
5436 }
5437
5438
5439 void
5440 Editor::show_editor_list (bool yn)
5441 {
5442         if (yn) {
5443                 the_notebook.show();
5444         } else {
5445                 the_notebook.hide();
5446         }
5447 }