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