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
 118 #include "i18n.h"
 119
 120 #ifdef WITH_CMT
 121 #include "imageframe_socket_handler.h"
 122 #endif
 123
 124 using namespace std;
 125 using namespace ARDOUR;
 126 using namespace PBD;
 127 using namespace Gtk;
 128 using namespace Glib;
 129 using namespace Gtkmm2ext;
 130 using namespace Editing;
 131
 132 using PBD::internationalize;
 133 using PBD::atoi;
 134 using Gtkmm2ext::Keyboard;
 135
 136 const double Editor::timebar_height = 15.0;
 137
 138 #include "editor_xpms"
 139
 140 static const gchar *_snap_type_strings[] = {
 141         N_("CD Frames"),
 142         N_("Timecode Frames"),
 143         N_("Timecode Seconds"),
 144         N_("Timecode Minutes"),
 145         N_("Seconds"),
 146         N_("Minutes"),
 147         N_("Beats/32"),
 148         N_("Beats/28"),
 149         N_("Beats/24"),
 150         N_("Beats/16"),
 151         N_("Beats/14"),
 152         N_("Beats/12"),
 153         N_("Beats/10"),
 154         N_("Beats/8"),
 155         N_("Beats/7"),
 156         N_("Beats/6"),
 157         N_("Beats/5"),
 158         N_("Beats/4"),
 159         N_("Beats/3"),
 160         N_("Beats/2"),
 161         N_("Beats"),
 162         N_("Bars"),
 163         N_("Marks"),
 164         N_("Region starts"),
 165         N_("Region ends"),
 166         N_("Region syncs"),
 167         N_("Region bounds"),
 168         0
 169 };
 170
 171 static const gchar *_snap_mode_strings[] = {
 172         N_("No Grid"),
 173         N_("Grid"),
 174         N_("Magnetic"),
 175         0
 176 };
 177
 178 static const gchar *_edit_point_strings[] = {
 179         N_("Playhead"),
 180         N_("Marker"),
 181         N_("Mouse"),
 182         0
 183 };
 184
 185 static const gchar *_zoom_focus_strings[] = {
 186         N_("Left"),
 187         N_("Right"),
 188         N_("Center"),
 189         N_("Playhead"),
 190         N_("Mouse"),
 191         N_("Edit point"),
 192         0
 193 };
 194
 195 #ifdef USE_RUBBERBAND
 196 static const gchar *_rb_opt_strings[] = {
 197         N_("Mushy"),
 198         N_("Smooth"),
 199         N_("Balanced multitimbral mixture"),
 200         N_("Unpitched percussion with stable notes"),
 201         N_("Crisp monophonic instrumental"),
 202         N_("Unpitched solo percussion"),
 203         0
 204 };
 205 #endif
 206
 207 /* Soundfile  drag-n-drop */
 208
 209 Gdk::Cursor* Editor::cross_hair_cursor = 0;
 210 Gdk::Cursor* Editor::selector_cursor = 0;
 211 Gdk::Cursor* Editor::trimmer_cursor = 0;
 212 Gdk::Cursor* Editor::left_side_trim_cursor = 0;
 213 Gdk::Cursor* Editor::right_side_trim_cursor = 0;
 214 Gdk::Cursor* Editor::grabber_cursor = 0;
 215 Gdk::Cursor* Editor::grabber_edit_point_cursor = 0;
 216 Gdk::Cursor* Editor::zoom_cursor = 0;
 217 Gdk::Cursor* Editor::time_fx_cursor = 0;
 218 Gdk::Cursor* Editor::fader_cursor = 0;
 219 Gdk::Cursor* Editor::speaker_cursor = 0;
 220 Gdk::Cursor* Editor::midi_pencil_cursor = 0;
 221 Gdk::Cursor* Editor::midi_select_cursor = 0;
 222 Gdk::Cursor* Editor::midi_resize_cursor = 0;
 223 Gdk::Cursor* Editor::midi_erase_cursor = 0;
 224 Gdk::Cursor* Editor::wait_cursor = 0;
 225 Gdk::Cursor* Editor::timebar_cursor = 0;
 226 Gdk::Cursor* Editor::transparent_cursor = 0;
 227
 228 void
 229 show_me_the_size (Requisition* r, const char* what)
 230 {
 231         cerr << "size of " << what << " = " << r->width << " x " << r->height << endl;
 232 }
 233
 234 #ifdef GTKOSX
 235 static void
 236 pane_size_watcher (Paned* pane)
 237 {
 238        /* if the handle of a pane vanishes into (at least) the tabs of a notebook,
 239           it is no longer accessible. so stop that. this doesn't happen on X11,
 240           just the quartz backend.
 241
 242           ugh.
 243        */
 244
 245        int max_width_of_lhs = GTK_WIDGET(pane->gobj())->allocation.width - 25;
 246
 247        gint pos = pane->get_position ();
 248
 249        if (pos > max_width_of_lhs) {
 250                pane->set_position (max_width_of_lhs);
 251        }
 252 }
 253 #endif
 254
 255 Editor::Editor ()
 256         : _join_object_range_state (JOIN_OBJECT_RANGE_NONE)
 257
 258           /* time display buttons */
 259         , minsec_label (_("Mins:Secs"))
 260         , bbt_label (_("Bars:Beats"))
 261         , timecode_label (_("Timecode"))
 262         , frame_label (_("Samples"))
 263         , tempo_label (_("Tempo"))
 264         , meter_label (_("Meter"))
 265         , mark_label (_("Location Markers"))
 266         , range_mark_label (_("Range Markers"))
 267         , transport_mark_label (_("Loop/Punch Ranges"))
 268         , cd_mark_label (_("CD Markers"))
 269         , edit_packer (4, 4, true)
 270
 271           /* the values here don't matter: layout widgets
 272              reset them as needed.
 273           */
 274
 275         , vertical_adjustment (0.0, 0.0, 10.0, 400.0)
 276
 277           /* tool bar related */
 278
 279         , zoom_range_clock (X_("zoomrange"), false, X_("ZoomRangeClock"), true, false, true)
 280
 281         , toolbar_selection_clock_table (2,3)
 282
 283         , automation_mode_button (_("mode"))
 284         , global_automation_button (_("automation"))
 285
 286         , midi_panic_button (_("Panic"))
 287
 288 #ifdef WITH_CMT
 289         , image_socket_listener(0)
 290 #endif
 291
 292           /* nudge */
 293
 294         , nudge_clock (X_("nudge"), false, X_("NudgeClock"), true, false, true)
 295         , meters_running(false)
 296         , _pending_locate_request (false)
 297         , _pending_initial_locate (false)
 298
 299 {
 300         constructed = false;
 301
 302         /* we are a singleton */
 303
 304         PublicEditor::_instance = this;
 305
 306         _have_idled = false;
 307
 308         selection = new Selection (this);
 309         cut_buffer = new Selection (this);
 310
 311         clicked_regionview = 0;
 312         clicked_axisview = 0;
 313         clicked_routeview = 0;
 314         clicked_crossfadeview = 0;
 315         clicked_control_point = 0;
 316         last_update_frame = 0;
 317         _drags = new DragManager (this);
 318         current_mixer_strip = 0;
 319         current_bbt_points = 0;
 320         tempo_lines = 0;
 321
 322         snap_type_strings =  I18N (_snap_type_strings);
 323         snap_mode_strings =  I18N (_snap_mode_strings);
 324         zoom_focus_strings = I18N (_zoom_focus_strings);
 325         edit_point_strings = I18N (_edit_point_strings);
 326 #ifdef USE_RUBBERBAND
 327         rb_opt_strings = I18N (_rb_opt_strings);
 328 #endif
 329
 330         snap_threshold = 5.0;
 331         bbt_beat_subdivision = 4;
 332         _canvas_width = 0;
 333         _canvas_height = 0;
 334         last_autoscroll_x = 0;
 335         last_autoscroll_y = 0;
 336         autoscroll_active = false;
 337         autoscroll_timeout_tag = -1;
 338         logo_item = 0;
 339
 340         analysis_window = 0;
 341
 342         current_interthread_info = 0;
 343         _show_measures = true;
 344         show_gain_after_trim = false;
 345         verbose_cursor_on = true;
 346         last_item_entered = 0;
 347         last_item_entered_n = 0;
 348
 349         have_pending_keyboard_selection = false;
 350         _follow_playhead = true;
 351         _stationary_playhead = false;
 352         _xfade_visibility = true;
 353         editor_ruler_menu = 0;
 354         no_ruler_shown_update = false;
 355         marker_menu = 0;
 356         session_range_marker_menu = 0;
 357         range_marker_menu = 0;
 358         marker_menu_item = 0;
 359         tempo_or_meter_marker_menu = 0;
 360         transport_marker_menu = 0;
 361         new_transport_marker_menu = 0;
 362         editor_mixer_strip_width = Wide;
 363         show_editor_mixer_when_tracks_arrive = false;
 364         region_edit_menu_split_multichannel_item = 0;
 365         region_edit_menu_split_item = 0;
 366         temp_location = 0;
 367         leftmost_frame = 0;
 368         current_stepping_trackview = 0;
 369         entered_track = 0;
 370         entered_regionview = 0;
 371         entered_marker = 0;
 372         clear_entered_track = false;
 373         current_timefx = 0;
 374         playhead_cursor = 0;
 375         button_release_can_deselect = true;
 376         _dragging_playhead = false;
 377         _dragging_edit_point = false;
 378         select_new_marker = false;
 379         rhythm_ferret = 0;
 380         _bundle_manager = 0;
 381         for (ARDOUR::DataType::iterator i = ARDOUR::DataType::begin(); i != ARDOUR::DataType::end(); ++i) {
 382                 _global_port_matrix[*i] = 0;
 383         }
 384         allow_vertical_scroll = false;
 385         no_save_visual = false;
 386         resize_idle_id = -1;
 387
 388         scrubbing_direction = 0;
 389
 390         sfbrowser = 0;
 391
 392         location_marker_color = ARDOUR_UI::config()->canvasvar_LocationMarker.get();
 393         location_range_color = ARDOUR_UI::config()->canvasvar_LocationRange.get();
 394         location_cd_marker_color = ARDOUR_UI::config()->canvasvar_LocationCDMarker.get();
 395         location_loop_color = ARDOUR_UI::config()->canvasvar_LocationLoop.get();
 396         location_punch_color = ARDOUR_UI::config()->canvasvar_LocationPunch.get();
 397
 398         _edit_point = EditAtMouse;
 399         _internal_editing = false;
 400         current_canvas_cursor = 0;
 401
 402         frames_per_unit = 2048; /* too early to use reset_zoom () */
 403
 404         _scroll_callbacks = 0;
 405
 406         zoom_focus = ZoomFocusLeft;
 407         set_zoom_focus (ZoomFocusLeft);
 408         zoom_range_clock.ValueChanged.connect (sigc::mem_fun(*this, &Editor::zoom_adjustment_changed));
 409
 410         bbt_label.set_name ("EditorTimeButton");
 411         bbt_label.set_size_request (-1, (int)timebar_height);
 412         bbt_label.set_alignment (1.0, 0.5);
 413         bbt_label.set_padding (5,0);
 414         bbt_label.hide ();
 415         bbt_label.set_no_show_all();
 416         minsec_label.set_name ("EditorTimeButton");
 417         minsec_label.set_size_request (-1, (int)timebar_height);
 418         minsec_label.set_alignment (1.0, 0.5);
 419         minsec_label.set_padding (5,0);
 420         minsec_label.hide ();
 421         minsec_label.set_no_show_all();
 422         timecode_label.set_name ("EditorTimeButton");
 423         timecode_label.set_size_request (-1, (int)timebar_height);
 424         timecode_label.set_alignment (1.0, 0.5);
 425         timecode_label.set_padding (5,0);
 426         timecode_label.hide ();
 427         timecode_label.set_no_show_all();
 428         frame_label.set_name ("EditorTimeButton");
 429         frame_label.set_size_request (-1, (int)timebar_height);
 430         frame_label.set_alignment (1.0, 0.5);
 431         frame_label.set_padding (5,0);
 432         frame_label.hide ();
 433         frame_label.set_no_show_all();
 434
 435         tempo_label.set_name ("EditorTimeButton");
 436         tempo_label.set_size_request (-1, (int)timebar_height);
 437         tempo_label.set_alignment (1.0, 0.5);
 438         tempo_label.set_padding (5,0);
 439         tempo_label.hide();
 440         tempo_label.set_no_show_all();
 441         meter_label.set_name ("EditorTimeButton");
 442         meter_label.set_size_request (-1, (int)timebar_height);
 443         meter_label.set_alignment (1.0, 0.5);
 444         meter_label.set_padding (5,0);
 445         meter_label.hide();
 446         meter_label.set_no_show_all();
 447         mark_label.set_name ("EditorTimeButton");
 448         mark_label.set_size_request (-1, (int)timebar_height);
 449         mark_label.set_alignment (1.0, 0.5);
 450         mark_label.set_padding (5,0);
 451         mark_label.hide();
 452         mark_label.set_no_show_all();
 453         cd_mark_label.set_name ("EditorTimeButton");
 454         cd_mark_label.set_size_request (-1, (int)timebar_height);
 455         cd_mark_label.set_alignment (1.0, 0.5);
 456         cd_mark_label.set_padding (5,0);
 457         cd_mark_label.hide();
 458         cd_mark_label.set_no_show_all();
 459         range_mark_label.set_name ("EditorTimeButton");
 460         range_mark_label.set_size_request (-1, (int)timebar_height);
 461         range_mark_label.set_alignment (1.0, 0.5);
 462         range_mark_label.set_padding (5,0);
 463         range_mark_label.hide();
 464         range_mark_label.set_no_show_all();
 465         transport_mark_label.set_name ("EditorTimeButton");
 466         transport_mark_label.set_size_request (-1, (int)timebar_height);
 467         transport_mark_label.set_alignment (1.0, 0.5);
 468         transport_mark_label.set_padding (5,0);
 469         transport_mark_label.hide();
 470         transport_mark_label.set_no_show_all();
 471
 472         initialize_rulers ();
 473         initialize_canvas ();
 474         _summary = new EditorSummary (this);
 475
 476         selection->TimeChanged.connect (sigc::mem_fun(*this, &Editor::time_selection_changed));
 477         selection->TracksChanged.connect (sigc::mem_fun(*this, &Editor::track_selection_changed));
 478         editor_regions_selection_changed_connection = selection->RegionsChanged.connect (sigc::mem_fun(*this, &Editor::region_selection_changed));
 479         selection->PointsChanged.connect (sigc::mem_fun(*this, &Editor::point_selection_changed));
 480         selection->MarkersChanged.connect (sigc::mem_fun(*this, &Editor::marker_selection_changed));
 481
 482         edit_controls_vbox.set_spacing (0);
 483         vertical_adjustment.signal_value_changed().connect (sigc::mem_fun(*this, &Editor::tie_vertical_scrolling), true);
 484         track_canvas->signal_map_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_map_handler));
 485
 486         HBox* h = manage (new HBox);
 487         _group_tabs = new EditorGroupTabs (this);
 488         h->pack_start (*_group_tabs, PACK_SHRINK);
 489         h->pack_start (edit_controls_vbox);
 490         controls_layout.add (*h);
 491
 492         controls_layout.set_name ("EditControlsBase");
 493         controls_layout.add_events (Gdk::SCROLL_MASK);
 494         controls_layout.signal_scroll_event().connect (sigc::mem_fun(*this, &Editor::control_layout_scroll), false);
 495
 496         controls_layout.add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK);
 497         controls_layout.signal_button_release_event().connect (sigc::mem_fun(*this, &Editor::edit_controls_button_release));
 498         controls_layout_size_request_connection = controls_layout.signal_size_request().connect (sigc::mem_fun (*this, &Editor::controls_layout_size_request));
 499
 500         build_cursors ();
 501
 502         ArdourCanvas::Canvas* time_pad = manage(new ArdourCanvas::Canvas());
 503         ArdourCanvas::SimpleLine* pad_line_1 = manage(new ArdourCanvas::SimpleLine(*time_pad->root(),
 504                         0.0, 1.0, 100.0, 1.0));
 505         pad_line_1->property_color_rgba() = 0xFF0000FF;
 506         pad_line_1->show();
 507         time_pad->show();
 508
 509         time_canvas_vbox.set_size_request (-1, (int)(timebar_height * visible_timebars) + 2);
 510         time_canvas_vbox.set_size_request (-1, -1);
 511
 512         ruler_label_event_box.add (ruler_label_vbox);
 513         ruler_label_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 514         ruler_label_event_box.signal_button_release_event().connect (sigc::mem_fun(*this, &Editor::ruler_label_button_release));
 515
 516         time_button_event_box.add (time_button_vbox);
 517         time_button_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 518         time_button_event_box.signal_button_release_event().connect (sigc::mem_fun(*this, &Editor::ruler_label_button_release));
 519
 520         /* these enable us to have a dedicated window (for cursor setting, etc.)
 521            for the canvas areas.
 522         */
 523
 524         track_canvas_event_box.add (*track_canvas);
 525
 526         time_canvas_event_box.add (time_canvas_vbox);
 527         time_canvas_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::POINTER_MOTION_MASK);
 528
 529         edit_packer.set_col_spacings (0);
 530         edit_packer.set_row_spacings (0);
 531         edit_packer.set_homogeneous (false);
 532         edit_packer.set_border_width (0);
 533         edit_packer.set_name ("EditorWindow");
 534
 535         edit_packer.attach (zoom_vbox,               0, 1, 0, 2,    SHRINK,        FILL, 0, 0);
 536         /* labels for the rulers */
 537         edit_packer.attach (ruler_label_event_box,   1, 2, 0, 1,    FILL,        SHRINK, 0, 0);
 538         /* labels for the marker "tracks" */
 539         edit_packer.attach (time_button_event_box,   1, 2, 1, 2,    FILL,        SHRINK, 0, 0);
 540         /* the rulers */
 541         edit_packer.attach (time_canvas_event_box,   2, 3, 0, 1,    FILL|EXPAND, FILL, 0, 0);
 542         /* track controls */
 543         edit_packer.attach (controls_layout,         0, 2, 2, 3,    FILL,        FILL|EXPAND, 0, 0);
 544         /* main canvas */
 545         edit_packer.attach (track_canvas_event_box,  2, 3, 1, 3,    FILL|EXPAND, FILL|EXPAND, 0, 0);
 546
 547         bottom_hbox.set_border_width (2);
 548         bottom_hbox.set_spacing (3);
 549
 550         _route_groups = new EditorRouteGroups (this);
 551         _routes = new EditorRoutes (this);
 552         _regions = new EditorRegions (this);
 553         _snapshots = new EditorSnapshots (this);
 554         _locations = new EditorLocations (this);
 555
 556         Gtk::Label* nlabel;
 557
 558         nlabel = manage (new Label (_("Regions")));
 559         nlabel->set_angle (-90);
 560         the_notebook.append_page (_regions->widget (), *nlabel);
 561         nlabel = manage (new Label (_("Tracks & Busses")));
 562         nlabel->set_angle (-90);
 563         the_notebook.append_page (_routes->widget (), *nlabel);
 564         nlabel = manage (new Label (_("Snapshots")));
 565         nlabel->set_angle (-90);
 566         the_notebook.append_page (_snapshots->widget (), *nlabel);
 567         nlabel = manage (new Label (_("Route Groups")));
 568         nlabel->set_angle (-90);
 569         the_notebook.append_page (_route_groups->widget (), *nlabel);
 570         nlabel = manage (new Label (_("Ranges & Marks")));
 571         nlabel->set_angle (-90);
 572         the_notebook.append_page (_locations->widget (), *nlabel);
 573
 574         the_notebook.set_show_tabs (true);
 575         the_notebook.set_scrollable (true);
 576         the_notebook.popup_disable ();
 577         the_notebook.set_tab_pos (Gtk::POS_RIGHT);
 578         the_notebook.show_all ();
 579
 580         post_maximal_editor_width = 0;
 581         post_maximal_horizontal_pane_position = 0;
 582         post_maximal_editor_height = 0;
 583         post_maximal_vertical_pane_position = 0;
 584
 585         editor_summary_pane.pack1(edit_packer);
 586
 587         Button* summary_arrows_left_left = manage (new Button);
 588         summary_arrows_left_left->add (*manage (new Arrow (ARROW_LEFT, SHADOW_NONE)));
 589         summary_arrows_left_left->signal_pressed().connect (sigc::hide_return (sigc::mem_fun (*this, &Editor::horizontal_scroll_left_press)));
 590         summary_arrows_left_left->signal_released().connect (sigc::mem_fun (*this, &Editor::horizontal_scroll_left_release));
 591         Button* summary_arrows_left_right = manage (new Button);
 592         summary_arrows_left_right->add (*manage (new Arrow (ARROW_RIGHT, SHADOW_NONE)));
 593         summary_arrows_left_right->signal_pressed().connect (sigc::hide_return (sigc::mem_fun (*this, &Editor::horizontal_scroll_right_press)));
 594         summary_arrows_left_right->signal_released().connect (sigc::mem_fun (*this, &Editor::horizontal_scroll_right_release));
 595         VBox* summary_arrows_left = manage (new VBox);
 596         summary_arrows_left->pack_start (*summary_arrows_left_left);
 597         summary_arrows_left->pack_start (*summary_arrows_left_right);
 598
 599         Button* summary_arrows_right_left = manage (new Button);
 600         summary_arrows_right_left->add (*manage (new Arrow (ARROW_LEFT, SHADOW_NONE)));
 601         summary_arrows_right_left->signal_pressed().connect (sigc::hide_return (sigc::mem_fun (*this, &Editor::horizontal_scroll_left_press)));
 602         summary_arrows_right_left->signal_released().connect (sigc::mem_fun (*this, &Editor::horizontal_scroll_left_release));
 603         Button* summary_arrows_right_right = manage (new Button);
 604         summary_arrows_right_right->add (*manage (new Arrow (ARROW_RIGHT, SHADOW_NONE)));
 605         summary_arrows_right_right->signal_pressed().connect (sigc::hide_return (sigc::mem_fun (*this, &Editor::horizontal_scroll_right_press)));
 606         summary_arrows_right_right->signal_released().connect (sigc::mem_fun (*this, &Editor::horizontal_scroll_right_release));
 607         VBox* summary_arrows_right = manage (new VBox);
 608         summary_arrows_right->pack_start (*summary_arrows_right_left);
 609         summary_arrows_right->pack_start (*summary_arrows_right_right);
 610
 611         Frame* summary_frame = manage (new Frame);
 612         summary_frame->set_shadow_type (Gtk::SHADOW_ETCHED_IN);
 613         summary_frame->add (*_summary);
 614         summary_frame->show ();
 615
 616         _summary_hbox.pack_start (*summary_arrows_left, false, false);
 617         _summary_hbox.pack_start (*summary_frame, true, true);
 618         _summary_hbox.pack_start (*summary_arrows_right, false, false);
 619
 620         editor_summary_pane.pack2 (_summary_hbox);
 621
 622         edit_pane.pack1 (editor_summary_pane, true, true);
 623         edit_pane.pack2 (the_notebook, false, true);
 624
 625         editor_summary_pane.signal_size_allocate().connect (sigc::bind (sigc::mem_fun (*this, &Editor::pane_allocation_handler), static_cast<Paned*> (&editor_summary_pane)));
 626
 627         /* XXX: editor_summary_pane might need similar special OS X treatment to the edit_pane */
 628
 629         edit_pane.signal_size_allocate().connect (sigc::bind (sigc::mem_fun(*this, &Editor::pane_allocation_handler), static_cast<Paned*> (&edit_pane)));
 630 #ifdef GTKOSX
 631         Glib::PropertyProxy<int> proxy = edit_pane.property_position();
 632         proxy.signal_changed().connect (bind (sigc::ptr_fun (pane_size_watcher), static_cast<Paned*> (&edit_pane)));
 633 #endif
 634         top_hbox.pack_start (toolbar_frame, false, true);
 635
 636         HBox *hbox = manage (new HBox);
 637         hbox->pack_start (edit_pane, true, true);
 638
 639         global_vpacker.pack_start (top_hbox, false, false);
 640         global_vpacker.pack_start (*hbox, true, true);
 641
 642         global_hpacker.pack_start (global_vpacker, true, true);
 643
 644         set_name ("EditorWindow");
 645         add_accel_group (ActionManager::ui_manager->get_accel_group());
 646
 647         status_bar_hpacker.show ();
 648
 649         vpacker.pack_end (status_bar_hpacker, false, false);
 650         vpacker.pack_end (global_hpacker, true, true);
 651
 652         /* register actions now so that set_state() can find them and set toggles/checks etc */
 653
 654         register_actions ();
 655
 656         setup_toolbar ();
 657         setup_midi_toolbar ();
 658
 659         _snap_type = SnapToBeat;
 660         set_snap_to (_snap_type);
 661         _snap_mode = SnapOff;
 662         set_snap_mode (_snap_mode);
 663         set_mouse_mode (MouseObject, true);
 664         set_edit_point_preference (EditAtMouse, true);
 665
 666         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
 667         set_state (*node, Stateful::loading_state_version);
 668
 669         _playlist_selector = new PlaylistSelector();
 670         _playlist_selector->signal_delete_event().connect (sigc::bind (sigc::ptr_fun (just_hide_it), static_cast<Window *> (_playlist_selector)));
 671
 672         RegionView::RegionViewGoingAway.connect (*this, invalidator (*this),  ui_bind (&Editor::catch_vanishing_regionview, this, _1), gui_context());
 673
 674         /* nudge stuff */
 675
 676         nudge_forward_button.add (*(manage (new Image (::get_icon("nudge_right")))));
 677         nudge_backward_button.add (*(manage (new Image (::get_icon("nudge_left")))));
 678
 679         nudge_forward_button.set_name ("TransportButton");
 680         nudge_backward_button.set_name ("TransportButton");
 681
 682         fade_context_menu.set_name ("ArdourContextMenu");
 683
 684         /* icons, titles, WM stuff */
 685
 686         list<Glib::RefPtr<Gdk::Pixbuf> > window_icons;
 687         Glib::RefPtr<Gdk::Pixbuf> icon;
 688
 689         if ((icon = ::get_icon ("ardour_icon_16px")) != 0) {
 690                 window_icons.push_back (icon);
 691         }
 692         if ((icon = ::get_icon ("ardour_icon_22px")) != 0) {
 693                 window_icons.push_back (icon);
 694         }
 695         if ((icon = ::get_icon ("ardour_icon_32px")) != 0) {
 696                 window_icons.push_back (icon);
 697         }
 698         if ((icon = ::get_icon ("ardour_icon_48px")) != 0) {
 699                 window_icons.push_back (icon);
 700         }
 701         if (!window_icons.empty()) {
 702                 set_icon_list (window_icons);
 703                 set_default_icon_list (window_icons);
 704         }
 705
 706         WindowTitle title(Glib::get_application_name());
 707         title += _("Editor");
 708         set_title (title.get_string());
 709         set_wmclass (X_("ardour_editor"), "Ardour");
 710
 711         add (vpacker);
 712         add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK);
 713
 714         signal_configure_event().connect (sigc::mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::configure_handler));
 715         signal_delete_event().connect (sigc::mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::exit_on_main_window_close));
 716
 717         /* allow external control surfaces/protocols to do various things */
 718
 719         ControlProtocol::ZoomToSession.connect (*this, invalidator (*this), boost::bind (&Editor::temporal_zoom_session, this), gui_context());
 720         ControlProtocol::ZoomIn.connect (*this, invalidator (*this), boost::bind (&Editor::temporal_zoom_step, this, false), gui_context());
 721         ControlProtocol::ZoomOut.connect (*this, invalidator (*this), boost::bind (&Editor::temporal_zoom_step, this, true), gui_context());
 722         ControlProtocol::ScrollTimeline.connect (*this, invalidator (*this), ui_bind (&Editor::control_scroll, this, _1), gui_context());
 723         BasicUI::AccessAction.connect (*this, invalidator (*this), ui_bind (&Editor::access_action, this, _1, _2), gui_context());
 724
 725         /* problematic: has to return a value and thus cannot be x-thread */
 726
 727         Session::AskAboutPlaylistDeletion.connect_same_thread (*this, boost::bind (&Editor::playlist_deletion_dialog, this, _1));
 728
 729         Config->ParameterChanged.connect (*this, invalidator (*this), ui_bind (&Editor::parameter_changed, this, _1), gui_context());
 730
 731         TimeAxisView::CatchDeletion.connect (*this, invalidator (*this), ui_bind (&Editor::timeaxisview_deleted, this, _1), gui_context());
 732
 733         _last_normalization_value = 0;
 734
 735         constructed = true;
 736         instant_save ();
 737 }
 738
 739 Editor::~Editor()
 740 {
 741 #ifdef WITH_CMT
 742         if(image_socket_listener) {
 743                 if(image_socket_listener->is_connected())
 744                 {
 745                         image_socket_listener->close_connection() ;
 746                 }
 747
 748                 delete image_socket_listener ;
 749                 image_socket_listener = 0 ;
 750         }
 751 #endif
 752
 753         delete _routes;
 754         delete _route_groups;
 755         delete track_canvas;
 756         delete _drags;
 757 }
 758
 759 void
 760 Editor::add_toplevel_controls (Container& cont)
 761 {
 762         vpacker.pack_start (cont, false, false);
 763         cont.show_all ();
 764 }
 765
 766 void
 767 Editor::catch_vanishing_regionview (RegionView *rv)
 768 {
 769         /* note: the selection will take care of the vanishing
 770            audioregionview by itself.
 771         */
 772
 773         if (_drags->active() && _drags->have_item (rv->get_canvas_group()) && !_drags->ending()) {
 774                 _drags->abort ();
 775         }
 776
 777         if (clicked_regionview == rv) {
 778                 clicked_regionview = 0;
 779         }
 780
 781         if (entered_regionview == rv) {
 782                 set_entered_regionview (0);
 783         }
 784 }
 785
 786 void
 787 Editor::set_entered_regionview (RegionView* rv)
 788 {
 789         if (rv == entered_regionview) {
 790                 return;
 791         }
 792
 793         if (entered_regionview) {
 794                 entered_regionview->exited ();
 795         }
 796
 797         if ((entered_regionview = rv) != 0) {
 798                 entered_regionview->entered ();
 799         }
 800 }
 801
 802 void
 803 Editor::set_entered_track (TimeAxisView* tav)
 804 {
 805         if (entered_track) {
 806                 entered_track->exited ();
 807         }
 808
 809         if ((entered_track = tav) != 0) {
 810                 entered_track->entered ();
 811         }
 812 }
 813
 814 void
 815 Editor::show_window ()
 816 {
 817         if (! is_visible ()) {
 818                 show_all ();
 819
 820                 /* re-hide editor list if necessary */
 821                 editor_list_button_toggled ();
 822
 823                 /* re-hide summary widget if necessary */
 824                 parameter_changed ("show-summary");
 825
 826                 parameter_changed ("show-edit-group-tabs");
 827
 828                 /* now reset all audio_time_axis heights, because widgets might need
 829                    to be re-hidden
 830                 */
 831
 832                 TimeAxisView *tv;
 833
 834                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
 835                         tv = (static_cast<TimeAxisView*>(*i));
 836                         tv->reset_height ();
 837                 }
 838
 839                 reset_zoom (frames_per_unit);
 840         }
 841
 842         present ();
 843 }
 844
 845 void
 846 Editor::instant_save ()
 847 {
 848         if (!constructed || !ARDOUR_UI::instance()->session_loaded) {
 849                 return;
 850         }
 851
 852         if (_session) {
 853                 _session->add_instant_xml(get_state());
 854         } else {
 855                 Config->add_instant_xml(get_state());
 856         }
 857 }
 858
 859 void
 860 Editor::zoom_adjustment_changed ()
 861 {
 862         if (_session == 0) {
 863                 return;
 864         }
 865
 866         double fpu = zoom_range_clock.current_duration() / _canvas_width;
 867
 868         if (fpu < 1.0) {
 869                 fpu = 1.0;
 870                 zoom_range_clock.set ((nframes64_t) floor (fpu * _canvas_width));
 871         } else if (fpu > _session->current_end_frame() / _canvas_width) {
 872                 fpu = _session->current_end_frame() / _canvas_width;
 873                 zoom_range_clock.set ((nframes64_t) floor (fpu * _canvas_width));
 874         }
 875
 876         temporal_zoom (fpu);
 877 }
 878
 879 void
 880 Editor::control_scroll (float fraction)
 881 {
 882         ENSURE_GUI_THREAD (*this, &Editor::control_scroll, fraction)
 883
 884         if (!_session) {
 885                 return;
 886         }
 887
 888         double step = fraction * current_page_frames();
 889
 890         /*
 891                 _control_scroll_target is an optional<T>
 892
 893                 it acts like a pointer to an nframes64_t, with
 894                 a operator conversion to boolean to check
 895                 that it has a value could possibly use
 896                 playhead_cursor->current_frame to store the
 897                 value and a boolean in the class to know
 898                 when it's out of date
 899         */
 900
 901         if (!_control_scroll_target) {
 902                 _control_scroll_target = _session->transport_frame();
 903                 _dragging_playhead = true;
 904         }
 905
 906         if ((fraction < 0.0f) && (*_control_scroll_target < (nframes64_t) fabs(step))) {
 907                 *_control_scroll_target = 0;
 908         } else if ((fraction > 0.0f) && (max_frames - *_control_scroll_target < step)) {
 909                 *_control_scroll_target = max_frames - (current_page_frames()*2); // allow room for slop in where the PH is on the screen
 910         } else {
 911                 *_control_scroll_target += (nframes64_t) floor (step);
 912         }
 913
 914         /* move visuals, we'll catch up with it later */
 915
 916         playhead_cursor->set_position (*_control_scroll_target);
 917         UpdateAllTransportClocks (*_control_scroll_target);
 918
 919         if (*_control_scroll_target > (current_page_frames() / 2)) {
 920                 /* try to center PH in window */
 921                 reset_x_origin (*_control_scroll_target - (current_page_frames()/2));
 922         } else {
 923                 reset_x_origin (0);
 924         }
 925
 926         /*
 927                 Now we do a timeout to actually bring the session to the right place
 928                 according to the playhead. This is to avoid reading disk buffers on every
 929                 call to control_scroll, which is driven by ScrollTimeline and therefore
 930                 probably by a control surface wheel which can generate lots of events.
 931         */
 932         /* cancel the existing timeout */
 933
 934         control_scroll_connection.disconnect ();
 935
 936         /* add the next timeout */
 937
 938         control_scroll_connection = Glib::signal_timeout().connect (sigc::bind (sigc::mem_fun (*this, &Editor::deferred_control_scroll), *_control_scroll_target), 250);
 939 }
 940
 941 bool
 942 Editor::deferred_control_scroll (nframes64_t /*target*/)
 943 {
 944         _session->request_locate (*_control_scroll_target, _session->transport_rolling());
 945         // reset for next stream
 946         _control_scroll_target = boost::none;
 947         _dragging_playhead = false;
 948         return false;
 949 }
 950
 951 void
 952 Editor::access_action (std::string action_group, std::string action_item)
 953 {
 954         if (!_session) {
 955                 return;
 956         }
 957
 958         ENSURE_GUI_THREAD (*this, &Editor::access_action, action_group, action_item)
 959
 960         RefPtr<Action> act;
 961         act = ActionManager::get_action( action_group.c_str(), action_item.c_str() );
 962
 963         if (act) {
 964                 act->activate();
 965         }
 966 }
 967
 968 void
 969 Editor::on_realize ()
 970 {
 971         Window::on_realize ();
 972         Realized ();
 973 }
 974
 975 void
 976 Editor::map_position_change (nframes64_t frame)
 977 {
 978         ENSURE_GUI_THREAD (*this, &Editor::map_position_change, frame)
 979
 980         if (_session == 0 || !_follow_playhead) {
 981                 return;
 982         }
 983
 984         center_screen (frame);
 985         playhead_cursor->set_position (frame);
 986 }
 987
 988 void
 989 Editor::center_screen (nframes64_t frame)
 990 {
 991         double page = _canvas_width * frames_per_unit;
 992
 993         /* if we're off the page, then scroll.
 994          */
 995
 996         if (frame < leftmost_frame || frame >= leftmost_frame + page) {
 997                 center_screen_internal (frame, page);
 998         }
 999 }
1000
1001 void
1002 Editor::center_screen_internal (nframes64_t frame, float page)
1003 {
1004         page /= 2;
1005
1006         if (frame > page) {
1007                 frame -= (nframes64_t) page;
1008         } else {
1009                 frame = 0;
1010         }
1011
1012         reset_x_origin (frame);
1013 }
1014
1015
1016 void
1017 Editor::update_title ()
1018 {
1019         ENSURE_GUI_THREAD (*this, &Editor::update_title)
1020
1021         if (_session) {
1022                 bool dirty = _session->dirty();
1023
1024                 string session_name;
1025
1026                 if (_session->snap_name() != _session->name()) {
1027                         session_name = _session->snap_name();
1028                 } else {
1029                         session_name = _session->name();
1030                 }
1031
1032                 if (dirty) {
1033                         session_name = "*" + session_name;
1034                 }
1035
1036                 WindowTitle title(session_name);
1037                 title += Glib::get_application_name();
1038                 set_title (title.get_string());
1039         }
1040 }
1041
1042 void
1043 Editor::set_session (Session *t)
1044 {
1045         SessionHandlePtr::set_session (t);
1046
1047         if (!_session) {
1048                 return;
1049         }
1050
1051         zoom_range_clock.set_session (_session);
1052         _playlist_selector->set_session (_session);
1053         nudge_clock.set_session (_session);
1054         _summary->set_session (_session);
1055         _group_tabs->set_session (_session);
1056         _route_groups->set_session (_session);
1057         _regions->set_session (_session);
1058         _snapshots->set_session (_session);
1059         _routes->set_session (_session);
1060         _locations->set_session (_session);
1061
1062         if (rhythm_ferret) {
1063                 rhythm_ferret->set_session (_session);
1064         }
1065
1066         if (analysis_window) {
1067                 analysis_window->set_session (_session);
1068         }
1069
1070         if (sfbrowser) {
1071                 sfbrowser->set_session (_session);
1072         }
1073
1074         compute_fixed_ruler_scale ();
1075
1076         /* there are never any selected regions at startup */
1077         sensitize_the_right_region_actions (false);
1078
1079         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
1080         set_state (*node, Stateful::loading_state_version);
1081
1082         /* catch up with the playhead */
1083
1084         _session->request_locate (playhead_cursor->current_frame);
1085         _pending_initial_locate = true;
1086
1087         update_title ();
1088
1089         /* These signals can all be emitted by a non-GUI thread. Therefore the
1090            handlers for them must not attempt to directly interact with the GUI,
1091            but use Gtkmm2ext::UI::instance()->call_slot();
1092         */
1093
1094         _session->TransportStateChange.connect (_session_connections, invalidator (*this), boost::bind (&Editor::map_transport_state, this), gui_context());
1095         _session->PositionChanged.connect (_session_connections, invalidator (*this), ui_bind (&Editor::map_position_change, this, _1), gui_context());
1096         _session->RouteAdded.connect (_session_connections, invalidator (*this), ui_bind (&Editor::handle_new_route, this, _1), gui_context());
1097         _session->DirtyChanged.connect (_session_connections, invalidator (*this), boost::bind (&Editor::update_title, this), gui_context());
1098         _session->TimecodeOffsetChanged.connect (_session_connections, invalidator (*this), boost::bind (&Editor::update_just_timecode, this), gui_context());
1099         _session->tempo_map().PropertyChanged.connect (_session_connections, invalidator (*this), ui_bind (&Editor::tempo_map_changed, this, _1), gui_context());
1100         _session->Located.connect (_session_connections, invalidator (*this), boost::bind (&Editor::located, this), gui_context());
1101         _session->config.ParameterChanged.connect (_session_connections, invalidator (*this), ui_bind (&Editor::parameter_changed, this, _1), gui_context());
1102         _session->StateSaved.connect (_session_connections, invalidator (*this), ui_bind (&Editor::session_state_saved, this, _1), gui_context());
1103         _session->locations()->added.connect (_session_connections, invalidator (*this), ui_bind (&Editor::add_new_location, this, _1), gui_context());
1104         _session->locations()->removed.connect (_session_connections, invalidator (*this), ui_bind (&Editor::location_gone, this, _1), gui_context());
1105         _session->locations()->changed.connect (_session_connections, invalidator (*this), boost::bind (&Editor::refresh_location_display, this), gui_context());
1106         _session->locations()->StateChanged.connect (_session_connections, invalidator (*this), ui_bind (&Editor::refresh_location_display_s, this, _1), gui_context());
1107         _session->history().Changed.connect (_session_connections, invalidator (*this), boost::bind (&Editor::history_changed, this), gui_context());
1108
1109         if (Profile->get_sae()) {
1110                 BBT_Time bbt;
1111                 bbt.bars = 0;
1112                 bbt.beats = 0;
1113                 bbt.ticks = 120;
1114                 nframes_t pos = _session->tempo_map().bbt_duration_at (0, bbt, 1);
1115                 nudge_clock.set_mode(AudioClock::BBT);
1116                 nudge_clock.set (pos, true, 0, AudioClock::BBT);
1117
1118         } else {
1119                 nudge_clock.set (_session->frame_rate() * 5, true, 0, AudioClock::Timecode); // default of 5 seconds
1120         }
1121
1122         playhead_cursor->canvas_item.show ();
1123
1124         Location* loc = _session->locations()->auto_loop_location();
1125         if (loc == 0) {
1126                 loc = new Location (0, _session->current_end_frame(), _("Loop"),(Location::Flags) (Location::IsAutoLoop | Location::IsHidden));
1127                 if (loc->start() == loc->end()) {
1128                         loc->set_end (loc->start() + 1);
1129                 }
1130                 _session->locations()->add (loc, false);
1131                 _session->set_auto_loop_location (loc);
1132         } else {
1133                 // force name
1134                 loc->set_name (_("Loop"));
1135         }
1136
1137         loc = _session->locations()->auto_punch_location();
1138         if (loc == 0) {
1139                 loc = new Location (0, _session->current_end_frame(), _("Punch"), (Location::Flags) (Location::IsAutoPunch | Location::IsHidden));
1140                 if (loc->start() == loc->end()) {
1141                         loc->set_end (loc->start() + 1);
1142                 }
1143                 _session->locations()->add (loc, false);
1144                 _session->set_auto_punch_location (loc);
1145         } else {
1146                 // force name
1147                 loc->set_name (_("Punch"));
1148         }
1149
1150         boost::function<void (string)> pc (boost::bind (&Editor::parameter_changed, this, _1));
1151         Config->map_parameters (pc);
1152         _session->config.map_parameters (pc);
1153
1154         refresh_location_display ();
1155
1156         restore_ruler_visibility ();
1157         //tempo_map_changed (PropertyChange (0));
1158         _session->tempo_map().apply_with_metrics (*this, &Editor::draw_metric_marks);
1159
1160         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
1161                 (static_cast<TimeAxisView*>(*i))->set_samples_per_unit (frames_per_unit);
1162         }
1163
1164         super_rapid_screen_update_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect (
1165                 sigc::mem_fun (*this, &Editor::super_rapid_screen_update)
1166                 );
1167
1168         switch (_snap_type) {
1169         case SnapToRegionStart:
1170         case SnapToRegionEnd:
1171         case SnapToRegionSync:
1172         case SnapToRegionBoundary:
1173                 build_region_boundary_cache ();
1174                 break;
1175
1176         default:
1177                 break;
1178         }
1179
1180         /* register for undo history */
1181         _session->register_with_memento_command_factory(_id, this);
1182
1183         start_updating_meters ();
1184 }
1185
1186 void
1187 Editor::build_cursors ()
1188 {
1189         using namespace Gdk;
1190
1191         Gdk::Color mbg ("#000000" ); /* Black */
1192         Gdk::Color mfg ("#0000ff" ); /* Blue. */
1193
1194         {
1195                 RefPtr<Bitmap> source, mask;
1196                 source = Bitmap::create (mag_bits, mag_width, mag_height);
1197                 mask = Bitmap::create (magmask_bits, mag_width, mag_height);
1198                 zoom_cursor = new Gdk::Cursor (source, mask, mfg, mbg, mag_x_hot, mag_y_hot);
1199         }
1200
1201         Gdk::Color fbg ("#ffffff" );
1202         Gdk::Color ffg  ("#000000" );
1203
1204         {
1205                 RefPtr<Bitmap> source, mask;
1206
1207                 source = Bitmap::create (fader_cursor_bits, fader_cursor_width, fader_cursor_height);
1208                 mask = Bitmap::create (fader_cursor_mask_bits, fader_cursor_width, fader_cursor_height);
1209                 fader_cursor = new Gdk::Cursor (source, mask, ffg, fbg, fader_cursor_x_hot, fader_cursor_y_hot);
1210         }
1211
1212         {
1213                 RefPtr<Bitmap> source, mask;
1214                 source = Bitmap::create (speaker_cursor_bits, speaker_cursor_width, speaker_cursor_height);
1215                 mask = Bitmap::create (speaker_cursor_mask_bits, speaker_cursor_width, speaker_cursor_height);
1216                 speaker_cursor = new Gdk::Cursor (source, mask, ffg, fbg, speaker_cursor_x_hot, speaker_cursor_y_hot);
1217         }
1218
1219         {
1220                 RefPtr<Bitmap> bits;
1221                 char pix[4] = { 0, 0, 0, 0 };
1222                 bits = Bitmap::create (pix, 2, 2);
1223                 Gdk::Color c;
1224                 transparent_cursor = new Gdk::Cursor (bits, bits, c, c, 0, 0);
1225         }
1226
1227         {
1228                 RefPtr<Bitmap> bits;
1229                 char pix[4] = { 0, 0, 0, 0 };
1230                 bits = Bitmap::create (pix, 2, 2);
1231                 Gdk::Color c;
1232                 transparent_cursor = new Gdk::Cursor (bits, bits, c, c, 0, 0);
1233         }
1234
1235
1236         grabber_cursor = new Gdk::Cursor (HAND2);
1237
1238         {
1239                 Glib::RefPtr<Gdk::Pixbuf> grabber_edit_point_pixbuf (::get_icon ("grabber_edit_point"));
1240                 grabber_edit_point_cursor = new Gdk::Cursor (Gdk::Display::get_default(), grabber_edit_point_pixbuf, 5, 17);
1241         }
1242
1243         cross_hair_cursor = new Gdk::Cursor (CROSSHAIR);
1244         trimmer_cursor =  new Gdk::Cursor (SB_H_DOUBLE_ARROW);
1245         left_side_trim_cursor =  new Gdk::Cursor (SB_LEFT_ARROW);
1246         right_side_trim_cursor =  new Gdk::Cursor (SB_RIGHT_ARROW);
1247         selector_cursor = new Gdk::Cursor (XTERM);
1248         time_fx_cursor = new Gdk::Cursor (SIZING);
1249         wait_cursor = new Gdk::Cursor  (WATCH);
1250         timebar_cursor = new Gdk::Cursor(LEFT_PTR);
1251         midi_pencil_cursor = new Gdk::Cursor (PENCIL);
1252         midi_select_cursor = new Gdk::Cursor (CENTER_PTR);
1253         midi_resize_cursor = new Gdk::Cursor (SIZING);
1254         midi_erase_cursor = new Gdk::Cursor (DRAPED_BOX);
1255 }
1256
1257 /** Pop up a context menu for when the user clicks on a fade in or fade out */
1258 void
1259 Editor::popup_fade_context_menu (int button, int32_t time, ArdourCanvas::Item* item, ItemType item_type)
1260 {
1261         using namespace Menu_Helpers;
1262         AudioRegionView* arv = static_cast<AudioRegionView*> (item->get_data ("regionview"));
1263
1264         if (arv == 0) {
1265                 fatal << _("programming error: fade in canvas item has no regionview data pointer!") << endmsg;
1266                 /*NOTREACHED*/
1267         }
1268
1269         MenuList& items (fade_context_menu.items());
1270
1271         items.clear ();
1272
1273         switch (item_type) {
1274         case FadeInItem:
1275         case FadeInHandleItem:
1276                 if (arv->audio_region()->fade_in_active()) {
1277                         items.push_back (MenuElem (_("Deactivate"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_active), false)));
1278                 } else {
1279                         items.push_back (MenuElem (_("Activate"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_active), true)));
1280                 }
1281
1282                 items.push_back (SeparatorElem());
1283
1284                 if (Profile->get_sae()) {
1285                         items.push_back (MenuElem (_("Linear"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Linear)));
1286                         items.push_back (MenuElem (_("Slowest"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Fast)));
1287                 } else {
1288                         items.push_back (MenuElem (_("Linear"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Linear)));
1289                         items.push_back (MenuElem (_("Slowest"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Fast)));
1290                         items.push_back (MenuElem (_("Slow"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::LogB)));
1291                         items.push_back (MenuElem (_("Fast"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::LogA)));
1292                         items.push_back (MenuElem (_("Fastest"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Slow)));
1293                 }
1294
1295                 break;
1296
1297         case FadeOutItem:
1298         case FadeOutHandleItem:
1299                 if (arv->audio_region()->fade_out_active()) {
1300                         items.push_back (MenuElem (_("Deactivate"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_active), false)));
1301                 } else {
1302                         items.push_back (MenuElem (_("Activate"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_active), true)));
1303                 }
1304
1305                 items.push_back (SeparatorElem());
1306
1307                 if (Profile->get_sae()) {
1308                         items.push_back (MenuElem (_("Linear"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Linear)));
1309                         items.push_back (MenuElem (_("Slowest"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Slow)));
1310                 } else {
1311                         items.push_back (MenuElem (_("Linear"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Linear)));
1312                         items.push_back (MenuElem (_("Slowest"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Slow)));
1313                         items.push_back (MenuElem (_("Slow"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::LogA)));
1314                         items.push_back (MenuElem (_("Fast"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::LogB)));
1315                         items.push_back (MenuElem (_("Fastest"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Fast)));
1316                 }
1317
1318                 break;
1319
1320         default:
1321                 fatal << _("programming error: ")
1322                       << X_("non-fade canvas item passed to popup_fade_context_menu()")
1323                       << endmsg;
1324                 /*NOTREACHED*/
1325         }
1326
1327         fade_context_menu.popup (button, time);
1328 }
1329
1330 void
1331 Editor::popup_track_context_menu (int button, int32_t time, ItemType item_type, bool with_selection, nframes64_t frame)
1332 {
1333         using namespace Menu_Helpers;
1334         Menu* (Editor::*build_menu_function)(nframes64_t);
1335         Menu *menu;
1336
1337         switch (item_type) {
1338         case RegionItem:
1339         case RegionViewName:
1340         case RegionViewNameHighlight:
1341         case LeftFrameHandle:
1342         case RightFrameHandle:
1343                 if (with_selection) {
1344                         build_menu_function = &Editor::build_track_selection_context_menu;
1345                 } else {
1346                         build_menu_function = &Editor::build_track_region_context_menu;
1347                 }
1348                 break;
1349
1350         case SelectionItem:
1351                 if (with_selection) {
1352                         build_menu_function = &Editor::build_track_selection_context_menu;
1353                 } else {
1354                         build_menu_function = &Editor::build_track_context_menu;
1355                 }
1356                 break;
1357
1358         case CrossfadeViewItem:
1359                 build_menu_function = &Editor::build_track_crossfade_context_menu;
1360                 break;
1361
1362         case StreamItem:
1363                 if (clicked_routeview->track()) {
1364                         build_menu_function = &Editor::build_track_context_menu;
1365                 } else {
1366                         build_menu_function = &Editor::build_track_bus_context_menu;
1367                 }
1368                 break;
1369
1370         default:
1371                 /* probably shouldn't happen but if it does, we don't care */
1372                 return;
1373         }
1374
1375         menu = (this->*build_menu_function)(frame);
1376         menu->set_name ("ArdourContextMenu");
1377
1378         /* now handle specific situations */
1379
1380         switch (item_type) {
1381         case RegionItem:
1382         case RegionViewName:
1383         case RegionViewNameHighlight:
1384         case LeftFrameHandle:
1385         case RightFrameHandle:
1386                 if (!with_selection) {
1387                         if (region_edit_menu_split_item) {
1388                                 if (clicked_regionview && clicked_regionview->region()->covers (get_preferred_edit_position())) {
1389                                         ActionManager::set_sensitive (ActionManager::edit_point_in_region_sensitive_actions, true);
1390                                 } else {
1391                                         ActionManager::set_sensitive (ActionManager::edit_point_in_region_sensitive_actions, false);
1392                                 }
1393                         }
1394                         if (region_edit_menu_split_multichannel_item) {
1395                                 if (clicked_regionview && clicked_regionview->region()->n_channels() > 1) {
1396                                         region_edit_menu_split_multichannel_item->set_sensitive (true);
1397                                 } else {
1398                                         region_edit_menu_split_multichannel_item->set_sensitive (false);
1399                                 }
1400                         }
1401                 }
1402                 break;
1403
1404         case SelectionItem:
1405                 break;
1406
1407         case CrossfadeViewItem:
1408                 break;
1409
1410         case StreamItem:
1411                 break;
1412
1413         default:
1414                 /* probably shouldn't happen but if it does, we don't care */
1415                 return;
1416         }
1417
1418         if (item_type != SelectionItem && clicked_routeview && clicked_routeview->audio_track()) {
1419
1420                 /* Bounce to disk */
1421
1422                 using namespace Menu_Helpers;
1423                 MenuList& edit_items  = menu->items();
1424
1425                 edit_items.push_back (SeparatorElem());
1426
1427                 switch (clicked_routeview->audio_track()->freeze_state()) {
1428                 case AudioTrack::NoFreeze:
1429                         edit_items.push_back (MenuElem (_("Freeze"), sigc::mem_fun(*this, &Editor::freeze_route)));
1430                         break;
1431
1432                 case AudioTrack::Frozen:
1433                         edit_items.push_back (MenuElem (_("Unfreeze"), sigc::mem_fun(*this, &Editor::unfreeze_route)));
1434                         break;
1435
1436                 case AudioTrack::UnFrozen:
1437                         edit_items.push_back (MenuElem (_("Freeze"), sigc::mem_fun(*this, &Editor::freeze_route)));
1438                         break;
1439                 }
1440
1441         }
1442
1443         if (item_type == StreamItem && clicked_routeview) {
1444                 clicked_routeview->build_underlay_menu(menu);
1445         }
1446
1447         menu->popup (button, time);
1448 }
1449
1450 Menu*
1451 Editor::build_track_context_menu (nframes64_t)
1452 {
1453         using namespace Menu_Helpers;
1454
1455         MenuList& edit_items = track_context_menu.items();
1456         edit_items.clear();
1457
1458         add_dstream_context_items (edit_items);
1459         return &track_context_menu;
1460 }
1461
1462 Menu*
1463 Editor::build_track_bus_context_menu (nframes64_t)
1464 {
1465         using namespace Menu_Helpers;
1466
1467         MenuList& edit_items = track_context_menu.items();
1468         edit_items.clear();
1469
1470         add_bus_context_items (edit_items);
1471         return &track_context_menu;
1472 }
1473
1474 Menu*
1475 Editor::build_track_region_context_menu (nframes64_t frame)
1476 {
1477         using namespace Menu_Helpers;
1478         MenuList& edit_items  = track_region_context_menu.items();
1479         edit_items.clear();
1480
1481         RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (clicked_axisview);
1482
1483         if (rtv) {
1484                 boost::shared_ptr<Track> tr;
1485                 boost::shared_ptr<Playlist> pl;
1486
1487                 if ((tr = rtv->track()) && ((pl = tr->playlist()))) {
1488                         Playlist::RegionList* regions = pl->regions_at ((nframes64_t) floor ( (double)frame * tr->speed()));
1489
1490                         if (selection->regions.size() > 1) {
1491                                 // there's already a multiple selection: just add a
1492                                 // single region context menu that will act on all
1493                                 // selected regions
1494                                 boost::shared_ptr<Region> dummy_region; // = NULL
1495                                 add_region_context_items (rtv->view(), dummy_region, edit_items);
1496                         } else {
1497                                 for (Playlist::RegionList::reverse_iterator i = regions->rbegin(); i != regions->rend(); ++i) {
1498                                         add_region_context_items (rtv->view(), (*i), edit_items);
1499                                 }
1500                         }
1501
1502                         delete regions;
1503                 }
1504         }
1505
1506         add_dstream_context_items (edit_items);
1507
1508         return &track_region_context_menu;
1509 }
1510
1511 Menu*
1512 Editor::build_track_crossfade_context_menu (nframes64_t frame)
1513 {
1514         using namespace Menu_Helpers;
1515         MenuList& edit_items  = track_crossfade_context_menu.items();
1516         edit_items.clear ();
1517
1518         AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*> (clicked_axisview);
1519
1520         if (atv) {
1521                 boost::shared_ptr<Track> tr;
1522                 boost::shared_ptr<Playlist> pl;
1523                 boost::shared_ptr<AudioPlaylist> apl;
1524
1525                 if ((tr = atv->track()) && ((pl = tr->playlist()) != 0) && ((apl = boost::dynamic_pointer_cast<AudioPlaylist> (pl)) != 0)) {
1526
1527                         Playlist::RegionList* regions = pl->regions_at (frame);
1528                         AudioPlaylist::Crossfades xfades;
1529
1530                         apl->crossfades_at (frame, xfades);
1531
1532                         bool many = xfades.size() > 1;
1533
1534                         for (AudioPlaylist::Crossfades::iterator i = xfades.begin(); i != xfades.end(); ++i) {
1535                                 add_crossfade_context_items (atv->audio_view(), (*i), edit_items, many);
1536                         }
1537
1538                         if (selection->regions.size() > 1) {
1539                                 // there's already a multiple selection: just add a
1540                                 // single region context menu that will act on all
1541                                 // selected regions
1542                                 boost::shared_ptr<Region> dummy_region; // = NULL
1543                                 add_region_context_items (atv->audio_view(), dummy_region, edit_items);
1544                         } else {
1545                                 for (Playlist::RegionList::reverse_iterator i = regions->rbegin(); i != regions->rend(); ++i) {
1546                                         add_region_context_items (atv->audio_view(), (*i), edit_items);
1547                                 }
1548                         }
1549                         delete regions;
1550                 }
1551         }
1552
1553         add_dstream_context_items (edit_items);
1554
1555         return &track_crossfade_context_menu;
1556 }
1557
1558 void
1559 Editor::analyze_region_selection()
1560 {
1561         if (analysis_window == 0) {
1562                 analysis_window = new AnalysisWindow();
1563
1564                 if (_session != 0)
1565                         analysis_window->set_session(_session);
1566
1567                 analysis_window->show_all();
1568         }
1569
1570         analysis_window->set_regionmode();
1571         analysis_window->analyze();
1572
1573         analysis_window->present();
1574 }
1575
1576 void
1577 Editor::analyze_range_selection()
1578 {
1579         if (analysis_window == 0) {
1580                 analysis_window = new AnalysisWindow();
1581
1582                 if (_session != 0)
1583                         analysis_window->set_session(_session);
1584
1585                 analysis_window->show_all();
1586         }
1587
1588         analysis_window->set_rangemode();
1589         analysis_window->analyze();
1590
1591         analysis_window->present();
1592 }
1593
1594 Menu*
1595 Editor::build_track_selection_context_menu (nframes64_t)
1596 {
1597         using namespace Menu_Helpers;
1598         MenuList& edit_items  = track_selection_context_menu.items();
1599         edit_items.clear ();
1600
1601         add_selection_context_items (edit_items);
1602         // edit_items.push_back (SeparatorElem());
1603         // add_dstream_context_items (edit_items);
1604
1605         return &track_selection_context_menu;
1606 }
1607
1608 /** Add context menu items relevant to crossfades.
1609  * @param edit_items List to add the items to.
1610  */
1611 void
1612 Editor::add_crossfade_context_items (AudioStreamView* /*view*/, boost::shared_ptr<Crossfade> xfade, Menu_Helpers::MenuList& edit_items, bool many)
1613 {
1614         using namespace Menu_Helpers;
1615         Menu     *xfade_menu = manage (new Menu);
1616         MenuList& items       = xfade_menu->items();
1617         xfade_menu->set_name ("ArdourContextMenu");
1618         string str;
1619
1620         if (xfade->active()) {
1621                 str = _("Mute");
1622         } else {
1623                 str = _("Unmute");
1624         }
1625
1626         items.push_back (MenuElem (str, sigc::bind (sigc::mem_fun(*this, &Editor::toggle_xfade_active), boost::weak_ptr<Crossfade> (xfade))));
1627         items.push_back (MenuElem (_("Edit"), sigc::bind (sigc::mem_fun(*this, &Editor::edit_xfade), boost::weak_ptr<Crossfade> (xfade))));
1628
1629         if (xfade->can_follow_overlap()) {
1630
1631                 if (xfade->following_overlap()) {
1632                         str = _("Convert to Short");
1633                 } else {
1634                         str = _("Convert to Full");
1635                 }
1636
1637                 items.push_back (MenuElem (str, sigc::bind (sigc::mem_fun(*this, &Editor::toggle_xfade_length), xfade)));
1638         }
1639
1640         if (many) {
1641                 str = xfade->out()->name();
1642                 str += "->";
1643                 str += xfade->in()->name();
1644         } else {
1645                 str = _("Crossfade");
1646         }
1647
1648         edit_items.push_back (MenuElem (str, *xfade_menu));
1649         edit_items.push_back (SeparatorElem());
1650 }
1651
1652 void
1653 Editor::xfade_edit_left_region ()
1654 {
1655         if (clicked_crossfadeview) {
1656                 clicked_crossfadeview->left_view.show_region_editor ();
1657         }
1658 }
1659
1660 void
1661 Editor::xfade_edit_right_region ()
1662 {
1663         if (clicked_crossfadeview) {
1664                 clicked_crossfadeview->right_view.show_region_editor ();
1665         }
1666 }
1667
1668 void
1669 Editor::add_region_context_items (StreamView* sv, boost::shared_ptr<Region> region, Menu_Helpers::MenuList& edit_items)
1670 {
1671         using namespace Menu_Helpers;
1672         Gtk::MenuItem* foo_item;
1673         Menu     *region_menu = manage (new Menu);
1674         MenuList& items       = region_menu->items();
1675         region_menu->set_name ("ArdourContextMenu");
1676
1677         boost::shared_ptr<AudioRegion> ar;
1678         boost::shared_ptr<MidiRegion>  mr;
1679
1680         if (region) {
1681                 ar = boost::dynamic_pointer_cast<AudioRegion> (region);
1682                 mr = boost::dynamic_pointer_cast<MidiRegion> (region);
1683
1684                 /* when this particular menu pops up, make the relevant region
1685                    become selected.
1686                 */
1687
1688                 region_menu->signal_map_event().connect (
1689                         sigc::bind (sigc::mem_fun(*this, &Editor::set_selected_regionview_from_map_event), sv, boost::weak_ptr<Region>(region)));
1690
1691                 items.push_back (MenuElem (_("Rename..."), sigc::mem_fun(*this, &Editor::rename_region)));
1692                 if (mr) {
1693                         items.push_back (MenuElem (_("List Editor..."), sigc::mem_fun(*this, &Editor::show_midi_list_editor)));
1694                 }
1695                 items.push_back (MenuElem (_("Region Properties..."), sigc::mem_fun(*this, &Editor::edit_region)));
1696         }
1697
1698         items.push_back (MenuElem (_("Raise to Top Layer"), sigc::mem_fun(*this, &Editor::raise_region_to_top)));
1699         items.push_back (MenuElem (_("Lower to Bottom Layer"), sigc::mem_fun  (*this, &Editor::lower_region_to_bottom)));
1700         items.push_back (SeparatorElem());
1701         items.push_back (MenuElem (_("Define Sync Point"), sigc::mem_fun(*this, &Editor::set_region_sync_from_edit_point)));
1702         if (_edit_point == EditAtMouse) {
1703                 items.back ().set_sensitive (false);
1704         }
1705         items.push_back (MenuElem (_("Remove Sync Point"), sigc::mem_fun(*this, &Editor::remove_region_sync)));
1706         items.push_back (SeparatorElem());
1707
1708         items.push_back (MenuElem (_("Audition"), sigc::mem_fun(*this, &Editor::play_selected_region)));
1709         items.push_back (MenuElem (_("Export..."), sigc::mem_fun(*this, &Editor::export_region)));
1710         items.push_back (MenuElem (_("Bounce"), sigc::mem_fun(*this, &Editor::bounce_region_selection)));
1711
1712         if (ar) {
1713                 items.push_back (MenuElem (_("Spectral Analysis..."), sigc::mem_fun(*this, &Editor::analyze_region_selection)));
1714         }
1715
1716         items.push_back (SeparatorElem());
1717
1718         sigc::connection fooc;
1719         boost::shared_ptr<Region> region_to_check;
1720
1721         if (region) {
1722                 region_to_check = region;
1723         } else {
1724                 region_to_check = selection->regions.front()->region();
1725         }
1726
1727         items.push_back (CheckMenuElem (_("Lock")));
1728         CheckMenuItem* region_lock_item = static_cast<CheckMenuItem*>(&items.back());
1729         if (region_to_check->locked()) {
1730                 region_lock_item->set_active();
1731         }
1732         region_lock_item->signal_activate().connect (sigc::mem_fun(*this, &Editor::toggle_region_lock));
1733
1734         items.push_back (CheckMenuElem (_("Glue to Bars and Beats")));
1735         CheckMenuItem* bbt_glue_item = static_cast<CheckMenuItem*>(&items.back());
1736
1737         switch (region_to_check->positional_lock_style()) {
1738         case Region::MusicTime:
1739                 bbt_glue_item->set_active (true);
1740                 break;
1741         default:
1742                 bbt_glue_item->set_active (false);
1743                 break;
1744         }
1745
1746         bbt_glue_item->signal_activate().connect (sigc::mem_fun (*this, &Editor::toggle_region_lock_style));
1747
1748         items.push_back (CheckMenuElem (_("Mute")));
1749         CheckMenuItem* region_mute_item = static_cast<CheckMenuItem*>(&items.back());
1750         fooc = region_mute_item->signal_activate().connect (sigc::mem_fun(*this, &Editor::toggle_region_mute));
1751         if (region_to_check->muted()) {
1752                 fooc.block (true);
1753                 region_mute_item->set_active();
1754                 fooc.block (false);
1755         }
1756
1757         items.push_back (MenuElem (_("Transpose..."), mem_fun(*this, &Editor::pitch_shift_regions)));
1758
1759         if (!Profile->get_sae()) {
1760                 items.push_back (CheckMenuElem (_("Opaque")));
1761                 CheckMenuItem* region_opaque_item = static_cast<CheckMenuItem*>(&items.back());
1762                 fooc = region_opaque_item->signal_activate().connect (sigc::mem_fun(*this, &Editor::toggle_region_opaque));
1763                 if (region_to_check->opaque()) {
1764                         fooc.block (true);
1765                         region_opaque_item->set_active();
1766                         fooc.block (false);
1767                 }
1768         }
1769
1770         items.push_back (CheckMenuElem (_("Original Position"), sigc::mem_fun(*this, &Editor::naturalize)));
1771         if (region_to_check->at_natural_position()) {
1772                 items.back().set_sensitive (false);
1773         }
1774
1775         items.push_back (SeparatorElem());
1776
1777         if (ar) {
1778
1779                 RegionView* rv = sv->find_view (ar);
1780                 AudioRegionView* arv = dynamic_cast<AudioRegionView*>(rv);
1781
1782                 if (!Profile->get_sae()) {
1783                         items.push_back (MenuElem (_("Reset Envelope"), sigc::mem_fun(*this, &Editor::reset_region_gain_envelopes)));
1784
1785                         items.push_back (CheckMenuElem (_("Envelope Visible")));
1786                         CheckMenuItem* region_envelope_visible_item = static_cast<CheckMenuItem*> (&items.back());
1787                         fooc = region_envelope_visible_item->signal_activate().connect (sigc::mem_fun(*this, &Editor::toggle_gain_envelope_visibility));
1788                         if (arv->envelope_visible()) {
1789                                 fooc.block (true);
1790                                 region_envelope_visible_item->set_active (true);
1791                                 fooc.block (false);
1792                         }
1793
1794                         items.push_back (CheckMenuElem (_("Envelope Active")));
1795                         CheckMenuItem* region_envelope_active_item = static_cast<CheckMenuItem*> (&items.back());
1796                         fooc = region_envelope_active_item->signal_activate().connect (sigc::mem_fun(*this, &Editor::toggle_gain_envelope_active));
1797
1798                         if (ar->envelope_active()) {
1799                                 fooc.block (true);
1800                                 region_envelope_active_item->set_active (true);
1801                                 fooc.block (false);
1802                         }
1803
1804                         items.push_back (SeparatorElem());
1805                 }
1806
1807                 items.push_back (MenuElem (_("Normalize..."), sigc::mem_fun(*this, &Editor::normalize_region)));
1808                 if (ar->scale_amplitude() != 1) {
1809                         items.push_back (MenuElem (_("Reset Gain"), sigc::mem_fun(*this, &Editor::reset_region_scale_amplitude)));
1810                 }
1811
1812         } else if (mr) {
1813                 items.push_back (MenuElem (_("Quantize"), sigc::mem_fun(*this, &Editor::quantize_region)));
1814                 items.push_back (MenuElem (_("Fork"), sigc::mem_fun(*this, &Editor::fork_region)));
1815                 items.push_back (SeparatorElem());
1816         }
1817
1818         items.push_back (MenuElem (_("Strip Silence..."), sigc::mem_fun (*this, &Editor::strip_region_silence)));
1819         items.push_back (MenuElem (_("Reverse"), sigc::mem_fun(*this, &Editor::reverse_region)));
1820         items.push_back (SeparatorElem());
1821
1822         /* range related stuff */
1823
1824         items.push_back (MenuElem (_("Add Single Range"), sigc::mem_fun (*this, &Editor::add_location_from_audio_region)));
1825         items.push_back (MenuElem (_("Add Range Markers"), sigc::mem_fun (*this, &Editor::add_locations_from_audio_region)));
1826         if (selection->regions.size() < 2) {
1827                 items.back().set_sensitive (false);
1828         }
1829
1830         items.push_back (MenuElem (_("Set Range Selection"), sigc::mem_fun (*this, &Editor::set_selection_from_region)));
1831         items.push_back (SeparatorElem());
1832
1833         /* Nudge region */
1834
1835         Menu *nudge_menu = manage (new Menu());
1836         MenuList& nudge_items = nudge_menu->items();
1837         nudge_menu->set_name ("ArdourContextMenu");
1838
1839         nudge_items.push_back (MenuElem (_("Nudge Forward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_forward), false, false))));
1840         nudge_items.push_back (MenuElem (_("Nudge Backward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_backward), false, false))));
1841         nudge_items.push_back (MenuElem (_("Nudge Forward by Capture Offset"), (sigc::mem_fun(*this, &Editor::nudge_forward_capture_offset))));
1842         nudge_items.push_back (MenuElem (_("Nudge Backward by Capture Offset"), (sigc::mem_fun(*this, &Editor::nudge_backward_capture_offset))));
1843
1844         items.push_back (MenuElem (_("Nudge"), *nudge_menu));
1845         items.push_back (SeparatorElem());
1846
1847         Menu *trim_menu = manage (new Menu);
1848         MenuList& trim_items = trim_menu->items();
1849         trim_menu->set_name ("ArdourContextMenu");
1850
1851         trim_items.push_back (MenuElem (_("Start to Edit Point"), sigc::mem_fun(*this, &Editor::trim_region_from_edit_point)));
1852         foo_item = &trim_items.back();
1853         if (_edit_point == EditAtMouse) {
1854                 foo_item->set_sensitive (false);
1855         }
1856         trim_items.push_back (MenuElem (_("Edit Point to End"), sigc::mem_fun(*this, &Editor::trim_region_to_edit_point)));
1857         foo_item = &trim_items.back();
1858         if (_edit_point == EditAtMouse) {
1859                 foo_item->set_sensitive (false);
1860         }
1861         trim_items.push_back (MenuElem (_("Trim to Loop"), sigc::mem_fun(*this, &Editor::trim_region_to_loop)));
1862         trim_items.push_back (MenuElem (_("Trim to Punch"), sigc::mem_fun(*this, &Editor::trim_region_to_punch)));
1863
1864         items.push_back (MenuElem (_("Trim"), *trim_menu));
1865         items.push_back (SeparatorElem());
1866
1867         items.push_back (MenuElem (_("Split"), (sigc::mem_fun(*this, &Editor::split))));
1868         region_edit_menu_split_item = &items.back();
1869
1870         if (_edit_point == EditAtMouse) {
1871                 region_edit_menu_split_item->set_sensitive (false);
1872         }
1873
1874         items.push_back (MenuElem (_("Make Mono Regions"), (sigc::mem_fun(*this, &Editor::split_multichannel_region))));
1875         region_edit_menu_split_multichannel_item = &items.back();
1876
1877         items.push_back (MenuElem (_("Duplicate"), (sigc::bind (sigc::mem_fun(*this, &Editor::duplicate_dialog), false))));
1878         items.push_back (MenuElem (_("Multi-Duplicate..."), (sigc::bind (sigc::mem_fun(*this, &Editor::duplicate_dialog), true))));
1879         items.push_back (MenuElem (_("Fill Track"), (sigc::mem_fun(*this, &Editor::region_fill_track))));
1880         items.push_back (SeparatorElem());
1881         items.push_back (MenuElem (_("Remove"), sigc::mem_fun(*this, &Editor::remove_selected_regions)));
1882
1883         /* OK, stick the region submenu at the top of the list, and then add
1884            the standard items.
1885         */
1886
1887         /* we have to hack up the region name because "_" has a special
1888            meaning for menu titles.
1889         */
1890
1891         string::size_type pos = 0;
1892         string menu_item_name = (region) ? region->name() : _("Selected Regions");
1893
1894         while ((pos = menu_item_name.find ("_", pos)) != string::npos) {
1895                 menu_item_name.replace (pos, 1, "__");
1896                 pos += 2;
1897         }
1898
1899         edit_items.push_back (MenuElem (menu_item_name, *region_menu));
1900         edit_items.push_back (SeparatorElem());
1901 }
1902
1903 /** Add context menu items relevant to selection ranges.
1904  * @param edit_items List to add the items to.
1905  */
1906 void
1907 Editor::add_selection_context_items (Menu_Helpers::MenuList& edit_items)
1908 {
1909         using namespace Menu_Helpers;
1910
1911         edit_items.push_back (MenuElem (_("Play Range"), sigc::mem_fun(*this, &Editor::play_selection)));
1912         edit_items.push_back (MenuElem (_("Loop Range"), sigc::bind (sigc::mem_fun(*this, &Editor::set_loop_from_selection), true)));
1913
1914         edit_items.push_back (SeparatorElem());
1915         edit_items.push_back (MenuElem (_("Spectral Analysis"), sigc::mem_fun(*this, &Editor::analyze_range_selection)));
1916
1917         if (!selection->regions.empty()) {
1918                 edit_items.push_back (SeparatorElem());
1919                 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)));
1920                 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)));
1921         }
1922
1923         edit_items.push_back (SeparatorElem());
1924         edit_items.push_back (MenuElem (_("Silence Range"), sigc::mem_fun(*this, &Editor::separate_region_from_selection)));
1925         edit_items.push_back (MenuElem (_("Convert to Region in Region List"), sigc::mem_fun(*this, &Editor::new_region_from_selection)));
1926
1927         edit_items.push_back (SeparatorElem());
1928         edit_items.push_back (MenuElem (_("Select All in Range"), sigc::mem_fun(*this, &Editor::select_all_selectables_using_time_selection)));
1929
1930         edit_items.push_back (SeparatorElem());
1931         edit_items.push_back (MenuElem (_("Set Loop from Range"), sigc::bind (sigc::mem_fun(*this, &Editor::set_loop_from_selection), false)));
1932         edit_items.push_back (MenuElem (_("Set Punch from Range"), sigc::mem_fun(*this, &Editor::set_punch_from_selection)));
1933
1934         edit_items.push_back (SeparatorElem());
1935         edit_items.push_back (MenuElem (_("Add Range Markers"), sigc::mem_fun (*this, &Editor::add_location_from_selection)));
1936
1937         edit_items.push_back (SeparatorElem());
1938         edit_items.push_back (MenuElem (_("Crop Region to Range"), sigc::mem_fun(*this, &Editor::crop_region_to_selection)));
1939         edit_items.push_back (MenuElem (_("Fill Range with Region"), sigc::mem_fun(*this, &Editor::region_fill_selection)));
1940         edit_items.push_back (MenuElem (_("Duplicate Range"), sigc::bind (sigc::mem_fun(*this, &Editor::duplicate_dialog), false)));
1941
1942         edit_items.push_back (SeparatorElem());
1943         edit_items.push_back (MenuElem (_("Consolidate Range"), sigc::bind (sigc::mem_fun(*this, &Editor::bounce_range_selection), true, false)));
1944         edit_items.push_back (MenuElem (_("Consolidate Range With Processing"), sigc::bind (sigc::mem_fun(*this, &Editor::bounce_range_selection), true, true)));
1945         edit_items.push_back (MenuElem (_("Bounce Range to Region List"), sigc::bind (sigc::mem_fun(*this, &Editor::bounce_range_selection), false, false)));
1946         edit_items.push_back (MenuElem (_("Bounce Range to Region List With Processing"), sigc::bind (sigc::mem_fun(*this, &Editor::bounce_range_selection), false, true)));
1947         edit_items.push_back (MenuElem (_("Export Range"), sigc::mem_fun(*this, &Editor::export_selection)));
1948 }
1949
1950
1951 void
1952 Editor::add_dstream_context_items (Menu_Helpers::MenuList& edit_items)
1953 {
1954         using namespace Menu_Helpers;
1955
1956         /* Playback */
1957
1958         Menu *play_menu = manage (new Menu);
1959         MenuList& play_items = play_menu->items();
1960         play_menu->set_name ("ArdourContextMenu");
1961
1962         play_items.push_back (MenuElem (_("Play From Edit Point"), sigc::mem_fun(*this, &Editor::play_from_edit_point)));
1963         play_items.push_back (MenuElem (_("Play From Start"), sigc::mem_fun(*this, &Editor::play_from_start)));
1964         play_items.push_back (MenuElem (_("Play Region"), sigc::mem_fun(*this, &Editor::play_selected_region)));
1965         play_items.push_back (SeparatorElem());
1966         play_items.push_back (MenuElem (_("Loop Region"), sigc::mem_fun(*this, &Editor::loop_selected_region)));
1967
1968         edit_items.push_back (MenuElem (_("Play"), *play_menu));
1969
1970         /* Selection */
1971
1972         Menu *select_menu = manage (new Menu);
1973         MenuList& select_items = select_menu->items();
1974         select_menu->set_name ("ArdourContextMenu");
1975
1976         select_items.push_back (MenuElem (_("Select All in Track"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
1977         select_items.push_back (MenuElem (_("Select All"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all), Selection::Set)));
1978         select_items.push_back (MenuElem (_("Invert Selection in Track"), sigc::mem_fun(*this, &Editor::invert_selection_in_track)));
1979         select_items.push_back (MenuElem (_("Invert Selection"), sigc::mem_fun(*this, &Editor::invert_selection)));
1980         select_items.push_back (SeparatorElem());
1981         select_items.push_back (MenuElem (_("Set Range to Loop Range"), sigc::mem_fun(*this, &Editor::set_selection_from_loop)));
1982         select_items.push_back (MenuElem (_("Set Range to Punch Range"), sigc::mem_fun(*this, &Editor::set_selection_from_punch)));
1983         select_items.push_back (SeparatorElem());
1984         select_items.push_back (MenuElem (_("Select All After Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_edit), true)));
1985         select_items.push_back (MenuElem (_("Select All Before Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_edit), false)));
1986         select_items.push_back (MenuElem (_("Select All After Playhead"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
1987         select_items.push_back (MenuElem (_("Select All Before Playhead"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
1988         select_items.push_back (MenuElem (_("Select All Between Playhead and Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_between), false)));
1989         select_items.push_back (MenuElem (_("Select All Within Playhead and Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_between), true)));
1990         select_items.push_back (MenuElem (_("Select Range Between Playhead and Edit Point"), sigc::mem_fun(*this, &Editor::select_range_between)));
1991
1992         edit_items.push_back (MenuElem (_("Select"), *select_menu));
1993
1994         /* Cut-n-Paste */
1995
1996         Menu *cutnpaste_menu = manage (new Menu);
1997         MenuList& cutnpaste_items = cutnpaste_menu->items();
1998         cutnpaste_menu->set_name ("ArdourContextMenu");
1999
2000         cutnpaste_items.push_back (MenuElem (_("Cut"), sigc::mem_fun(*this, &Editor::cut)));
2001         cutnpaste_items.push_back (MenuElem (_("Copy"), sigc::mem_fun(*this, &Editor::copy)));
2002         cutnpaste_items.push_back (MenuElem (_("Paste"), sigc::bind (sigc::mem_fun(*this, &Editor::paste), 1.0f)));
2003
2004         cutnpaste_items.push_back (SeparatorElem());
2005
2006         cutnpaste_items.push_back (MenuElem (_("Align"), sigc::bind (sigc::mem_fun(*this, &Editor::align), ARDOUR::SyncPoint)));
2007         cutnpaste_items.push_back (MenuElem (_("Align Relative"), sigc::bind (sigc::mem_fun(*this, &Editor::align_relative), ARDOUR::SyncPoint)));
2008
2009         edit_items.push_back (MenuElem (_("Edit"), *cutnpaste_menu));
2010
2011         /* Adding new material */
2012
2013         edit_items.push_back (SeparatorElem());
2014         edit_items.push_back (MenuElem (_("Insert Selected Region"), sigc::bind (sigc::mem_fun(*this, &Editor::insert_region_list_selection), 1.0f)));
2015         edit_items.push_back (MenuElem (_("Insert Existing Media"), sigc::bind (sigc::mem_fun(*this, &Editor::add_external_audio_action), ImportToTrack)));
2016
2017         /* Nudge track */
2018
2019         Menu *nudge_menu = manage (new Menu());
2020         MenuList& nudge_items = nudge_menu->items();
2021         nudge_menu->set_name ("ArdourContextMenu");
2022
2023         edit_items.push_back (SeparatorElem());
2024         nudge_items.push_back (MenuElem (_("Nudge Entire Track Forward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), false, true))));
2025         nudge_items.push_back (MenuElem (_("Nudge Track After Edit Point Forward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), true, true))));
2026         nudge_items.push_back (MenuElem (_("Nudge Entire Track Backward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), false, false))));
2027         nudge_items.push_back (MenuElem (_("Nudge Track After Edit Point Backward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), true, false))));
2028
2029         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
2030 }
2031
2032 void
2033 Editor::add_bus_context_items (Menu_Helpers::MenuList& edit_items)
2034 {
2035         using namespace Menu_Helpers;
2036
2037         /* Playback */
2038
2039         Menu *play_menu = manage (new Menu);
2040         MenuList& play_items = play_menu->items();
2041         play_menu->set_name ("ArdourContextMenu");
2042
2043         play_items.push_back (MenuElem (_("Play From Edit Point"), sigc::mem_fun(*this, &Editor::play_from_edit_point)));
2044         play_items.push_back (MenuElem (_("Play From Start"), sigc::mem_fun(*this, &Editor::play_from_start)));
2045         edit_items.push_back (MenuElem (_("Play"), *play_menu));
2046
2047         /* Selection */
2048
2049         Menu *select_menu = manage (new Menu);
2050         MenuList& select_items = select_menu->items();
2051         select_menu->set_name ("ArdourContextMenu");
2052
2053         select_items.push_back (MenuElem (_("Select All in Track"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
2054         select_items.push_back (MenuElem (_("Select All"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all), Selection::Set)));
2055         select_items.push_back (MenuElem (_("Invert Selection in Track"), sigc::mem_fun(*this, &Editor::invert_selection_in_track)));
2056         select_items.push_back (MenuElem (_("Invert Selection"), sigc::mem_fun(*this, &Editor::invert_selection)));
2057         select_items.push_back (SeparatorElem());
2058         select_items.push_back (MenuElem (_("Select All After Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_edit), true)));
2059         select_items.push_back (MenuElem (_("Select All Before Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_edit), false)));
2060         select_items.push_back (MenuElem (_("Select All After Playhead"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
2061         select_items.push_back (MenuElem (_("Select All Before Playhead"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
2062
2063         edit_items.push_back (MenuElem (_("Select"), *select_menu));
2064
2065         /* Cut-n-Paste */
2066
2067         Menu *cutnpaste_menu = manage (new Menu);
2068         MenuList& cutnpaste_items = cutnpaste_menu->items();
2069         cutnpaste_menu->set_name ("ArdourContextMenu");
2070
2071         cutnpaste_items.push_back (MenuElem (_("Cut"), sigc::mem_fun(*this, &Editor::cut)));
2072         cutnpaste_items.push_back (MenuElem (_("Copy"), sigc::mem_fun(*this, &Editor::copy)));
2073         cutnpaste_items.push_back (MenuElem (_("Paste"), sigc::bind (sigc::mem_fun(*this, &Editor::paste), 1.0f)));
2074
2075         Menu *nudge_menu = manage (new Menu());
2076         MenuList& nudge_items = nudge_menu->items();
2077         nudge_menu->set_name ("ArdourContextMenu");
2078
2079         edit_items.push_back (SeparatorElem());
2080         nudge_items.push_back (MenuElem (_("Nudge Entire Track Forward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), false, true))));
2081         nudge_items.push_back (MenuElem (_("Nudge Track After Edit Point Forward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), true, true))));
2082         nudge_items.push_back (MenuElem (_("Nudge Entire Track Backward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), false, false))));
2083         nudge_items.push_back (MenuElem (_("Nudge Track After Edit Point Backward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), true, false))));
2084
2085         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
2086 }
2087
2088 SnapType
2089 Editor::snap_type() const
2090 {
2091         return _snap_type;
2092 }
2093
2094 SnapMode
2095 Editor::snap_mode() const
2096 {
2097         return _snap_mode;
2098 }
2099
2100 void
2101 Editor::set_snap_to (SnapType st)
2102 {
2103         unsigned int snap_ind = (unsigned int)st;
2104
2105         _snap_type = st;
2106
2107         if (snap_ind > snap_type_strings.size() - 1) {
2108                 snap_ind = 0;
2109                 _snap_type = (SnapType)snap_ind;
2110         }
2111
2112         string str = snap_type_strings[snap_ind];
2113
2114         if (str != snap_type_selector.get_active_text()) {
2115                 snap_type_selector.set_active_text (str);
2116         }
2117
2118         instant_save ();
2119
2120         switch (_snap_type) {
2121         case SnapToBeatDiv32:
2122         case SnapToBeatDiv28:
2123         case SnapToBeatDiv24:
2124         case SnapToBeatDiv16:
2125         case SnapToBeatDiv14:
2126         case SnapToBeatDiv12:
2127         case SnapToBeatDiv10:
2128         case SnapToBeatDiv8:
2129         case SnapToBeatDiv7:
2130         case SnapToBeatDiv6:
2131         case SnapToBeatDiv5:
2132         case SnapToBeatDiv4:
2133         case SnapToBeatDiv3:
2134         case SnapToBeatDiv2:
2135                 compute_bbt_ruler_scale (leftmost_frame, leftmost_frame + current_page_frames());
2136                 update_tempo_based_rulers ();
2137                 break;
2138
2139         case SnapToRegionStart:
2140         case SnapToRegionEnd:
2141         case SnapToRegionSync:
2142         case SnapToRegionBoundary:
2143                 build_region_boundary_cache ();
2144                 break;
2145
2146         default:
2147                 /* relax */
2148                 break;
2149         }
2150
2151         SnapChanged (); /* EMIT SIGNAL */
2152 }
2153
2154 void
2155 Editor::set_snap_mode (SnapMode mode)
2156 {
2157         _snap_mode = mode;
2158         string str = snap_mode_strings[(int)mode];
2159
2160         if (str != snap_mode_selector.get_active_text ()) {
2161                 snap_mode_selector.set_active_text (str);
2162         }
2163
2164         instant_save ();
2165 }
2166 void
2167 Editor::set_edit_point_preference (EditPoint ep, bool force)
2168 {
2169         bool changed = (_edit_point != ep);
2170
2171         _edit_point = ep;
2172         string str = edit_point_strings[(int)ep];
2173
2174         if (str != edit_point_selector.get_active_text ()) {
2175                 edit_point_selector.set_active_text (str);
2176         }
2177
2178         set_canvas_cursor ();
2179
2180         if (!force && !changed) {
2181                 return;
2182         }
2183
2184         const char* action=NULL;
2185
2186         switch (_edit_point) {
2187         case EditAtPlayhead:
2188                 action = "edit-at-playhead";
2189                 break;
2190         case EditAtSelectedMarker:
2191                 action = "edit-at-marker";
2192                 break;
2193         case EditAtMouse:
2194                 action = "edit-at-mouse";
2195                 break;
2196         }
2197
2198         Glib::RefPtr<Action> act = ActionManager::get_action ("Editor", action);
2199         if (act) {
2200                 Glib::RefPtr<RadioAction>::cast_dynamic(act)->set_active (true);
2201         }
2202
2203         nframes64_t foo;
2204         bool in_track_canvas;
2205
2206         if (!mouse_frame (foo, in_track_canvas)) {
2207                 in_track_canvas = false;
2208         }
2209
2210         reset_canvas_action_sensitivity (in_track_canvas);
2211
2212         instant_save ();
2213 }
2214
2215 int
2216 Editor::set_state (const XMLNode& node, int /*version*/)
2217 {
2218         const XMLProperty* prop;
2219         XMLNode* geometry;
2220         int x, y, xoff, yoff;
2221         Gdk::Geometry g;
2222
2223         if ((prop = node.property ("id")) != 0) {
2224                 _id = prop->value ();
2225         }
2226
2227         g.base_width = default_width;
2228         g.base_height = default_height;
2229         x = 1;
2230         y = 1;
2231         xoff = 0;
2232         yoff = 21;
2233
2234         if ((geometry = find_named_node (node, "geometry")) != 0) {
2235
2236                 XMLProperty* prop;
2237
2238                 if ((prop = geometry->property("x_size")) == 0) {
2239                         prop = geometry->property ("x-size");
2240                 }
2241                 if (prop) {
2242                         g.base_width = atoi(prop->value());
2243                 }
2244                 if ((prop = geometry->property("y_size")) == 0) {
2245                         prop = geometry->property ("y-size");
2246                 }
2247                 if (prop) {
2248                         g.base_height = atoi(prop->value());
2249                 }
2250
2251                 if ((prop = geometry->property ("x_pos")) == 0) {
2252                         prop = geometry->property ("x-pos");
2253                 }
2254                 if (prop) {
2255                         x = atoi (prop->value());
2256
2257                 }
2258                 if ((prop = geometry->property ("y_pos")) == 0) {
2259                         prop = geometry->property ("y-pos");
2260                 }
2261                 if (prop) {
2262                         y = atoi (prop->value());
2263                 }
2264
2265                 if ((prop = geometry->property ("x_off")) == 0) {
2266                         prop = geometry->property ("x-off");
2267                 }
2268                 if (prop) {
2269                         xoff = atoi (prop->value());
2270                 }
2271                 if ((prop = geometry->property ("y_off")) == 0) {
2272                         prop = geometry->property ("y-off");
2273                 }
2274                 if (prop) {
2275                         yoff = atoi (prop->value());
2276                 }
2277         }
2278
2279         set_default_size (g.base_width, g.base_height);
2280         move (x, y);
2281
2282         if (_session && (prop = node.property ("playhead"))) {
2283                 nframes64_t pos;
2284                 sscanf (prop->value().c_str(), "%" PRIi64, &pos);
2285                 playhead_cursor->set_position (pos);
2286         } else {
2287                 playhead_cursor->set_position (0);
2288         }
2289
2290         if ((prop = node.property ("mixer-width"))) {
2291                 editor_mixer_strip_width = Width (string_2_enum (prop->value(), editor_mixer_strip_width));
2292         }
2293
2294         if ((prop = node.property ("zoom-focus"))) {
2295                 set_zoom_focus ((ZoomFocus) atoi (prop->value()));
2296         }
2297
2298         if ((prop = node.property ("zoom"))) {
2299                 reset_zoom (PBD::atof (prop->value()));
2300         }
2301
2302         if ((prop = node.property ("snap-to"))) {
2303                 set_snap_to ((SnapType) atoi (prop->value()));
2304         }
2305
2306         if ((prop = node.property ("snap-mode"))) {
2307                 set_snap_mode ((SnapMode) atoi (prop->value()));
2308         }
2309
2310         if ((prop = node.property ("mouse-mode"))) {
2311                 MouseMode m = str2mousemode(prop->value());
2312                 set_mouse_mode (m, true);
2313         } else {
2314                 set_mouse_mode (MouseObject, true);
2315         }
2316
2317         if ((prop = node.property ("left-frame")) != 0){
2318                 nframes64_t pos;
2319                 if (sscanf (prop->value().c_str(), "%" PRId64, &pos) == 1) {
2320                         reset_x_origin (pos);
2321                 }
2322         }
2323
2324         if ((prop = node.property ("y-origin")) != 0) {
2325                 reset_y_origin (atof (prop->value ()));
2326         }
2327
2328         if ((prop = node.property ("internal-edit"))) {
2329                 bool yn = string_is_affirmative (prop->value());
2330                 RefPtr<Action> act = ActionManager::get_action (X_("MouseMode"), X_("toggle-internal-edit"));
2331                 if (act) {
2332                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2333                         tact->set_active (!yn);
2334                         tact->set_active (yn);
2335                 }
2336         }
2337
2338         if ((prop = node.property ("join-object-range"))) {
2339                 join_object_range_button.set_active (string_is_affirmative (prop->value ()));
2340         }
2341
2342         if ((prop = node.property ("edit-point"))) {
2343                 set_edit_point_preference ((EditPoint) string_2_enum (prop->value(), _edit_point), true);
2344         }
2345
2346         if ((prop = node.property ("show-measures"))) {
2347                 bool yn = string_is_affirmative (prop->value());
2348                 _show_measures = !yn;
2349                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleMeasureVisibility"));
2350                 if (act) {
2351                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2352                         /* do it twice to force the change */
2353                         tact->set_active (!yn);
2354                         tact->set_active (yn);
2355                 }
2356         }
2357
2358         if ((prop = node.property ("follow-playhead"))) {
2359                 bool yn = string_is_affirmative (prop->value());
2360                 set_follow_playhead (yn);
2361                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
2362                 if (act) {
2363                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2364                         if (tact->get_active() != yn) {
2365                                 tact->set_active (yn);
2366                         }
2367                 }
2368         }
2369
2370         if ((prop = node.property ("stationary-playhead"))) {
2371                 bool yn = (prop->value() == "yes");
2372                 set_stationary_playhead (yn);
2373                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-stationary-playhead"));
2374                 if (act) {
2375                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2376                         if (tact->get_active() != yn) {
2377                                 tact->set_active (yn);
2378                         }
2379                 }
2380         }
2381
2382         if ((prop = node.property ("region-list-sort-type"))) {
2383                 RegionListSortType st;
2384                 _regions->reset_sort_type ((RegionListSortType) string_2_enum (prop->value(), st), true);
2385         }
2386
2387         if ((prop = node.property ("xfades-visible"))) {
2388                 bool yn = string_is_affirmative (prop->value());
2389                 _xfade_visibility = !yn;
2390                 // set_xfade_visibility (yn);
2391         }
2392
2393         if ((prop = node.property ("show-editor-mixer"))) {
2394
2395                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2396                 if (act) {
2397
2398                         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2399                         bool yn = string_is_affirmative (prop->value());
2400
2401                         /* do it twice to force the change */
2402
2403                         tact->set_active (!yn);
2404                         tact->set_active (yn);
2405                 }
2406         }
2407
2408         if ((prop = node.property ("show-editor-list"))) {
2409
2410                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-list"));
2411                 assert(act);
2412                 if (act) {
2413
2414                         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2415                         bool yn = string_is_affirmative (prop->value());
2416
2417                         /* do it twice to force the change */
2418
2419                         tact->set_active (!yn);
2420                         tact->set_active (yn);
2421                 }
2422         }
2423
2424         if ((prop = node.property (X_("editor-list-page")))) {
2425                 the_notebook.set_current_page (atoi (prop->value ()));
2426         }
2427
2428         return 0;
2429 }
2430
2431 XMLNode&
2432 Editor::get_state ()
2433 {
2434         XMLNode* node = new XMLNode ("Editor");
2435         char buf[32];
2436
2437         _id.print (buf, sizeof (buf));
2438         node->add_property ("id", buf);
2439
2440         if (is_realized()) {
2441                 Glib::RefPtr<Gdk::Window> win = get_window();
2442
2443                 int x, y, xoff, yoff, width, height;
2444                 win->get_root_origin(x, y);
2445                 win->get_position(xoff, yoff);
2446                 win->get_size(width, height);
2447
2448                 XMLNode* geometry = new XMLNode ("geometry");
2449
2450                 snprintf(buf, sizeof(buf), "%d", width);
2451                 geometry->add_property("x-size", string(buf));
2452                 snprintf(buf, sizeof(buf), "%d", height);
2453                 geometry->add_property("y-size", string(buf));
2454                 snprintf(buf, sizeof(buf), "%d", x);
2455                 geometry->add_property("x-pos", string(buf));
2456                 snprintf(buf, sizeof(buf), "%d", y);
2457                 geometry->add_property("y-pos", string(buf));
2458                 snprintf(buf, sizeof(buf), "%d", xoff);
2459                 geometry->add_property("x-off", string(buf));
2460                 snprintf(buf, sizeof(buf), "%d", yoff);
2461                 geometry->add_property("y-off", string(buf));
2462                 snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (static_cast<Paned*>(&edit_pane)->gobj()));
2463                 geometry->add_property("edit-horizontal-pane-pos", string(buf));
2464                 snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (static_cast<Paned*>(&editor_summary_pane)->gobj()));
2465                 geometry->add_property("edit-vertical-pane-pos", string(buf));
2466
2467                 node->add_child_nocopy (*geometry);
2468         }
2469
2470         maybe_add_mixer_strip_width (*node);
2471
2472         snprintf (buf, sizeof(buf), "%d", (int) zoom_focus);
2473         node->add_property ("zoom-focus", buf);
2474         snprintf (buf, sizeof(buf), "%f", frames_per_unit);
2475         node->add_property ("zoom", buf);
2476         snprintf (buf, sizeof(buf), "%d", (int) _snap_type);
2477         node->add_property ("snap-to", buf);
2478         snprintf (buf, sizeof(buf), "%d", (int) _snap_mode);
2479         node->add_property ("snap-mode", buf);
2480
2481         node->add_property ("edit-point", enum_2_string (_edit_point));
2482
2483         snprintf (buf, sizeof (buf), "%" PRIi64, playhead_cursor->current_frame);
2484         node->add_property ("playhead", buf);
2485         snprintf (buf, sizeof (buf), "%" PRIi64, leftmost_frame);
2486         node->add_property ("left-frame", buf);
2487         snprintf (buf, sizeof (buf), "%f", vertical_adjustment.get_value ());
2488         node->add_property ("y-origin", buf);
2489
2490         node->add_property ("show-measures", _show_measures ? "yes" : "no");
2491         node->add_property ("follow-playhead", _follow_playhead ? "yes" : "no");
2492         node->add_property ("stationary-playhead", _stationary_playhead ? "yes" : "no");
2493         node->add_property ("xfades-visible", _xfade_visibility ? "yes" : "no");
2494         node->add_property ("region-list-sort-type", enum_2_string (_regions->sort_type ()));
2495         node->add_property ("mouse-mode", enum2str(mouse_mode));
2496         node->add_property ("internal-edit", _internal_editing ? "yes" : "no");
2497         node->add_property ("join-object-range", join_object_range_button.get_active () ? "yes" : "no");
2498
2499         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2500         if (act) {
2501                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2502                 node->add_property (X_("show-editor-mixer"), tact->get_active() ? "yes" : "no");
2503         }
2504
2505         act = ActionManager::get_action (X_("Editor"), X_("show-editor-list"));
2506         if (act) {
2507                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2508                 node->add_property (X_("show-editor-list"), tact->get_active() ? "yes" : "no");
2509         }
2510
2511         snprintf (buf, sizeof (buf), "%d", the_notebook.get_current_page ());
2512         node->add_property (X_("editor-list-page"), buf);
2513
2514         return *node;
2515 }
2516
2517
2518
2519 /** @param y y offset from the top of all trackviews.
2520  *  @return pair: TimeAxisView that y is over, layer index.
2521  *  TimeAxisView may be 0.  Layer index is the layer number if the TimeAxisView is valid and is
2522  *  in stacked region display mode, otherwise 0.
2523  */
2524 std::pair<TimeAxisView *, layer_t>
2525 Editor::trackview_by_y_position (double y)
2526 {
2527         for (TrackViewList::iterator iter = track_views.begin(); iter != track_views.end(); ++iter) {
2528
2529                 std::pair<TimeAxisView*, int> const r = (*iter)->covers_y_position (y);
2530                 if (r.first) {
2531                         return r;
2532                 }
2533         }
2534
2535         return std::make_pair ( (TimeAxisView *) 0, 0);
2536 }
2537
2538 /** Snap a position to the grid, if appropriate, taking into account current
2539  *  grid settings and also the state of any snap modifier keys that may be pressed.
2540  *  @param start Position to snap.
2541  *  @param event Event to get current key modifier information from, or 0.
2542  */
2543 void
2544 Editor::snap_to_with_modifier (nframes64_t& start, GdkEvent const * event, int32_t direction, bool for_mark)
2545 {
2546         if (!_session || !event) {
2547                 return;
2548         }
2549
2550         if (Keyboard::modifier_state_contains (event->button.state, Keyboard::snap_modifier())) {
2551                 if (_snap_mode == SnapOff) {
2552                         snap_to_internal (start, direction, for_mark);
2553                 }
2554         } else {
2555                 if (_snap_mode != SnapOff) {
2556                         snap_to_internal (start, direction, for_mark);
2557                 }
2558         }
2559 }
2560
2561 void
2562 Editor::snap_to (nframes64_t& start, int32_t direction, bool for_mark)
2563 {
2564         if (!_session || _snap_mode == SnapOff) {
2565                 return;
2566         }
2567
2568         snap_to_internal (start, direction, for_mark);
2569 }
2570
2571 void
2572 Editor::timecode_snap_to_internal (nframes64_t& start, int32_t direction, bool /*for_mark*/)
2573 {
2574         const nframes64_t one_timecode_second = (nframes64_t)(rint(_session->timecode_frames_per_second()) * _session->frames_per_timecode_frame());
2575         nframes64_t one_timecode_minute = (nframes64_t)(rint(_session->timecode_frames_per_second()) * _session->frames_per_timecode_frame() * 60);
2576
2577         switch (_snap_type) {
2578         case SnapToTimecodeFrame:
2579                 if (((direction == 0) && (fmod((double)start, (double)_session->frames_per_timecode_frame()) > (_session->frames_per_timecode_frame() / 2))) || (direction > 0)) {
2580                         start = (nframes64_t) (ceil ((double) start / _session->frames_per_timecode_frame()) * _session->frames_per_timecode_frame());
2581                 } else {
2582                         start = (nframes64_t) (floor ((double) start / _session->frames_per_timecode_frame()) *  _session->frames_per_timecode_frame());
2583                 }
2584                 break;
2585
2586         case SnapToTimecodeSeconds:
2587                 if (_session->timecode_offset_negative())
2588                 {
2589                         start += _session->timecode_offset ();
2590                 } else {
2591                         start -= _session->timecode_offset ();
2592                 }
2593                 if (((direction == 0) && (start % one_timecode_second > one_timecode_second / 2)) || direction > 0) {
2594                         start = (nframes64_t) ceil ((double) start / one_timecode_second) * one_timecode_second;
2595                 } else {
2596                         start = (nframes64_t) floor ((double) start / one_timecode_second) * one_timecode_second;
2597                 }
2598
2599                 if (_session->timecode_offset_negative())
2600                 {
2601                         start -= _session->timecode_offset ();
2602                 } else {
2603                         start += _session->timecode_offset ();
2604                 }
2605                 break;
2606
2607         case SnapToTimecodeMinutes:
2608                 if (_session->timecode_offset_negative())
2609                 {
2610                         start += _session->timecode_offset ();
2611                 } else {
2612                         start -= _session->timecode_offset ();
2613                 }
2614                 if (((direction == 0) && (start % one_timecode_minute > one_timecode_minute / 2)) || direction > 0) {
2615                         start = (nframes64_t) ceil ((double) start / one_timecode_minute) * one_timecode_minute;
2616                 } else {
2617                         start = (nframes64_t) floor ((double) start / one_timecode_minute) * one_timecode_minute;
2618                 }
2619                 if (_session->timecode_offset_negative())
2620                 {
2621                         start -= _session->timecode_offset ();
2622                 } else {
2623                         start += _session->timecode_offset ();
2624                 }
2625                 break;
2626         default:
2627                 fatal << "Editor::smpte_snap_to_internal() called with non-timecode snap type!" << endmsg;
2628                 /*NOTREACHED*/
2629         }
2630 }
2631
2632 void
2633 Editor::snap_to_internal (nframes64_t& start, int32_t direction, bool for_mark)
2634 {
2635         const nframes64_t one_second = _session->frame_rate();
2636         const nframes64_t one_minute = _session->frame_rate() * 60;
2637         nframes64_t presnap = start;
2638         nframes64_t before;
2639         nframes64_t after;
2640
2641         switch (_snap_type) {
2642         case SnapToTimecodeFrame:
2643         case SnapToTimecodeSeconds:
2644         case SnapToTimecodeMinutes:
2645                 return timecode_snap_to_internal (start, direction, for_mark);
2646
2647         case SnapToCDFrame:
2648                 if (((direction == 0) && (start % (one_second/75) > (one_second/75) / 2)) || (direction > 0)) {
2649                         start = (nframes64_t) ceil ((double) start / (one_second / 75)) * (one_second / 75);
2650                 } else {
2651                         start = (nframes64_t) floor ((double) start / (one_second / 75)) * (one_second / 75);
2652                 }
2653                 break;
2654
2655         case SnapToSeconds:
2656                 if (((direction == 0) && (start % one_second > one_second / 2)) || (direction > 0)) {
2657                         start = (nframes64_t) ceil ((double) start / one_second) * one_second;
2658                 } else {
2659                         start = (nframes64_t) floor ((double) start / one_second) * one_second;
2660                 }
2661                 break;
2662
2663         case SnapToMinutes:
2664                 if (((direction == 0) && (start % one_minute > one_minute / 2)) || (direction > 0)) {
2665                         start = (nframes64_t) ceil ((double) start / one_minute) * one_minute;
2666                 } else {
2667                         start = (nframes64_t) floor ((double) start / one_minute) * one_minute;
2668                 }
2669                 break;
2670
2671         case SnapToBar:
2672                 start = _session->tempo_map().round_to_bar (start, direction);
2673                 break;
2674
2675         case SnapToBeat:
2676                 start = _session->tempo_map().round_to_beat (start, direction);
2677                 break;
2678
2679         case SnapToBeatDiv32:
2680                 start = _session->tempo_map().round_to_beat_subdivision (start, 32, direction);
2681                 break;
2682         case SnapToBeatDiv28:
2683                 start = _session->tempo_map().round_to_beat_subdivision (start, 28, direction);
2684                 break;
2685         case SnapToBeatDiv24:
2686                 start = _session->tempo_map().round_to_beat_subdivision (start, 24, direction);
2687                 break;
2688         case SnapToBeatDiv16:
2689                 start = _session->tempo_map().round_to_beat_subdivision (start, 16, direction);
2690                 break;
2691         case SnapToBeatDiv14:
2692                 start = _session->tempo_map().round_to_beat_subdivision (start, 14, direction);
2693                 break;
2694         case SnapToBeatDiv12:
2695                 start = _session->tempo_map().round_to_beat_subdivision (start, 12, direction);
2696                 break;
2697         case SnapToBeatDiv10:
2698                 start = _session->tempo_map().round_to_beat_subdivision (start, 10, direction);
2699                 break;
2700         case SnapToBeatDiv8:
2701                 start = _session->tempo_map().round_to_beat_subdivision (start, 8, direction);
2702                 break;
2703         case SnapToBeatDiv7:
2704                 start = _session->tempo_map().round_to_beat_subdivision (start, 7, direction);
2705                 break;
2706         case SnapToBeatDiv6:
2707                 start = _session->tempo_map().round_to_beat_subdivision (start, 6, direction);
2708                 break;
2709         case SnapToBeatDiv5:
2710                 start = _session->tempo_map().round_to_beat_subdivision (start, 5, direction);
2711                 break;
2712         case SnapToBeatDiv4:
2713                 start = _session->tempo_map().round_to_beat_subdivision (start, 4, direction);
2714                 break;
2715         case SnapToBeatDiv3:
2716                 start = _session->tempo_map().round_to_beat_subdivision (start, 3, direction);
2717                 break;
2718         case SnapToBeatDiv2:
2719                 start = _session->tempo_map().round_to_beat_subdivision (start, 2, direction);
2720                 break;
2721
2722         case SnapToMark:
2723                 if (for_mark) {
2724                         return;
2725                 }
2726
2727                 _session->locations()->marks_either_side (start, before, after);
2728
2729                 if (before == max_frames) {
2730                         start = after;
2731                 } else if (after == max_frames) {
2732                         start = before;
2733                 } else if (before != max_frames && after != max_frames) {
2734                         /* have before and after */
2735                         if ((start - before) < (after - start)) {
2736                                 start = before;
2737                         } else {
2738                                 start = after;
2739                         }
2740                 }
2741
2742                 break;
2743
2744         case SnapToRegionStart:
2745         case SnapToRegionEnd:
2746         case SnapToRegionSync:
2747         case SnapToRegionBoundary:
2748                 if (!region_boundary_cache.empty()) {
2749
2750                         vector<nframes64_t>::iterator prev = region_boundary_cache.end ();
2751                         vector<nframes64_t>::iterator next = region_boundary_cache.end ();
2752
2753                         if (direction > 0) {
2754                                 next = std::upper_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2755                         } else {
2756                                 next = std::lower_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2757                         }
2758
2759                         if (next != region_boundary_cache.begin ()) {
2760                                 prev = next;
2761                                 prev--;
2762                         }
2763
2764                         nframes64_t const p = (prev == region_boundary_cache.end()) ? region_boundary_cache.front () : *prev;
2765                         nframes64_t const n = (next == region_boundary_cache.end()) ? region_boundary_cache.back () : *next;
2766
2767                         if (start > (p + n) / 2) {
2768                                 start = n;
2769                         } else {
2770                                 start = p;
2771                         }
2772                 }
2773                 break;
2774         }
2775
2776         switch (_snap_mode) {
2777         case SnapNormal:
2778                 return;
2779
2780         case SnapMagnetic:
2781
2782                 if (presnap > start) {
2783                         if (presnap > (start + unit_to_frame(snap_threshold))) {
2784                                 start = presnap;
2785                         }
2786
2787                 } else if (presnap < start) {
2788                         if (presnap < (start - unit_to_frame(snap_threshold))) {
2789                                 start = presnap;
2790                         }
2791                 }
2792
2793         default:
2794                 /* handled at entry */
2795                 return;
2796
2797         }
2798 }
2799
2800
2801 void
2802 Editor::setup_toolbar ()
2803 {
2804         string pixmap_path;
2805
2806         /* Mode Buttons (tool selection) */
2807
2808         mouse_move_button.set_relief(Gtk::RELIEF_NONE);
2809         mouse_select_button.set_relief(Gtk::RELIEF_NONE);
2810         mouse_gain_button.set_relief(Gtk::RELIEF_NONE);
2811         mouse_zoom_button.set_relief(Gtk::RELIEF_NONE);
2812         mouse_timefx_button.set_relief(Gtk::RELIEF_NONE);
2813         mouse_audition_button.set_relief(Gtk::RELIEF_NONE);
2814         // internal_edit_button.set_relief(Gtk::RELIEF_NONE);
2815         join_object_range_button.set_relief(Gtk::RELIEF_NONE);
2816
2817         HBox* mode_box = manage(new HBox);
2818         mode_box->set_border_width (2);
2819         mode_box->set_spacing(4);
2820
2821         /* table containing mode buttons */
2822
2823         HBox* mouse_mode_button_box = manage (new HBox ());
2824
2825         if (Profile->get_sae()) {
2826                 mouse_mode_button_box->pack_start (mouse_move_button);
2827         } else {
2828                 mouse_mode_button_box->pack_start (mouse_move_button);
2829                 mouse_mode_button_box->pack_start (join_object_range_button);
2830                 mouse_mode_button_box->pack_start (mouse_select_button);
2831         }
2832
2833         mouse_mode_button_box->pack_start (mouse_zoom_button);
2834
2835         if (!Profile->get_sae()) {
2836                 mouse_mode_button_box->pack_start (mouse_gain_button);
2837         }
2838
2839         mouse_mode_button_box->pack_start (mouse_timefx_button);
2840         mouse_mode_button_box->pack_start (mouse_audition_button);
2841         mouse_mode_button_box->pack_start (internal_edit_button);
2842
2843         vector<string> edit_mode_strings;
2844         edit_mode_strings.push_back (edit_mode_to_string (Slide));
2845         if (!Profile->get_sae()) {
2846                 edit_mode_strings.push_back (edit_mode_to_string (Splice));
2847         }
2848         edit_mode_strings.push_back (edit_mode_to_string (Lock));
2849
2850         edit_mode_selector.set_name ("EditModeSelector");
2851         set_popdown_strings (edit_mode_selector, edit_mode_strings, true);
2852         edit_mode_selector.signal_changed().connect (sigc::mem_fun(*this, &Editor::edit_mode_selection_done));
2853
2854         mode_box->pack_start (edit_mode_selector);
2855         mode_box->pack_start (*mouse_mode_button_box);
2856
2857         _mouse_mode_tearoff = manage (new TearOff (*mode_box));
2858         _mouse_mode_tearoff->set_name ("MouseModeBase");
2859         _mouse_mode_tearoff->tearoff_window().signal_key_press_event().connect (sigc::bind (sigc::ptr_fun (relay_key_press), &_mouse_mode_tearoff->tearoff_window()), false);
2860
2861         if (Profile->get_sae()) {
2862                 _mouse_mode_tearoff->set_can_be_torn_off (false);
2863         }
2864
2865         _mouse_mode_tearoff->Detach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2866                                                          &_mouse_mode_tearoff->tearoff_window()));
2867         _mouse_mode_tearoff->Attach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2868                                                          &_mouse_mode_tearoff->tearoff_window(), 1));
2869         _mouse_mode_tearoff->Hidden.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2870                                                          &_mouse_mode_tearoff->tearoff_window()));
2871         _mouse_mode_tearoff->Visible.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2872                                                           &_mouse_mode_tearoff->tearoff_window(), 1));
2873
2874         mouse_move_button.set_mode (false);
2875         mouse_select_button.set_mode (false);
2876         mouse_gain_button.set_mode (false);
2877         mouse_zoom_button.set_mode (false);
2878         mouse_timefx_button.set_mode (false);
2879         mouse_audition_button.set_mode (false);
2880         join_object_range_button.set_mode (false);
2881
2882         mouse_move_button.set_name ("MouseModeButton");
2883         mouse_select_button.set_name ("MouseModeButton");
2884         mouse_gain_button.set_name ("MouseModeButton");
2885         mouse_zoom_button.set_name ("MouseModeButton");
2886         mouse_timefx_button.set_name ("MouseModeButton");
2887         mouse_audition_button.set_name ("MouseModeButton");
2888         internal_edit_button.set_name ("MouseModeButton");
2889         join_object_range_button.set_name ("MouseModeButton");
2890
2891         mouse_move_button.unset_flags (CAN_FOCUS);
2892         mouse_select_button.unset_flags (CAN_FOCUS);
2893         mouse_gain_button.unset_flags (CAN_FOCUS);
2894         mouse_zoom_button.unset_flags (CAN_FOCUS);
2895         mouse_timefx_button.unset_flags (CAN_FOCUS);
2896         mouse_audition_button.unset_flags (CAN_FOCUS);
2897         internal_edit_button.unset_flags (CAN_FOCUS);
2898         join_object_range_button.unset_flags (CAN_FOCUS);
2899
2900         /* Zoom */
2901
2902         zoom_box.set_spacing (1);
2903         zoom_box.set_border_width (0);
2904
2905         zoom_in_button.set_name ("EditorTimeButton");
2906         zoom_in_button.set_image (*(manage (new Image (Stock::ZOOM_IN, Gtk::ICON_SIZE_MENU))));
2907         zoom_in_button.signal_clicked().connect (sigc::bind (sigc::mem_fun(*this, &Editor::temporal_zoom_step), false));
2908
2909         zoom_out_button.set_name ("EditorTimeButton");
2910         zoom_out_button.set_image (*(manage (new Image (Stock::ZOOM_OUT, Gtk::ICON_SIZE_MENU))));
2911         zoom_out_button.signal_clicked().connect (sigc::bind (sigc::mem_fun(*this, &Editor::temporal_zoom_step), true));
2912
2913         zoom_out_full_button.set_name ("EditorTimeButton");
2914         zoom_out_full_button.set_image (*(manage (new Image (Stock::ZOOM_100, Gtk::ICON_SIZE_MENU))));
2915         zoom_out_full_button.signal_clicked().connect (sigc::mem_fun(*this, &Editor::temporal_zoom_session));
2916
2917         zoom_focus_selector.set_name ("ZoomFocusSelector");
2918         set_popdown_strings (zoom_focus_selector, zoom_focus_strings, true);
2919         zoom_focus_selector.signal_changed().connect (sigc::mem_fun(*this, &Editor::zoom_focus_selection_done));
2920
2921         zoom_box.pack_start (zoom_out_button, false, false);
2922         zoom_box.pack_start (zoom_in_button, false, false);
2923         zoom_box.pack_start (zoom_out_full_button, false, false);
2924
2925         /* Track zoom buttons */
2926         tav_expand_button.set_name ("TrackHeightButton");
2927         tav_expand_button.set_size_request(-1,20);
2928         tav_expand_button.add (*(manage (new Image (::get_icon("tav_exp")))));
2929         tav_expand_button.signal_clicked().connect (sigc::bind (sigc::mem_fun(*this, &Editor::tav_zoom_step), true));
2930
2931         tav_shrink_button.set_name ("TrackHeightButton");
2932         tav_shrink_button.set_size_request(-1,20);
2933         tav_shrink_button.add (*(manage (new Image (::get_icon("tav_shrink")))));
2934         tav_shrink_button.signal_clicked().connect (sigc::bind (sigc::mem_fun(*this, &Editor::tav_zoom_step), false));
2935
2936         track_zoom_box.set_spacing (1);
2937         track_zoom_box.set_border_width (0);
2938
2939         track_zoom_box.pack_start (tav_shrink_button, false, false);
2940         track_zoom_box.pack_start (tav_expand_button, false, false);
2941
2942         HBox* zbc = manage (new HBox);
2943         zbc->pack_start (zoom_focus_selector, PACK_SHRINK);
2944         zoom_vbox.pack_start (*zbc, PACK_SHRINK);
2945         zoom_vbox.pack_start (zoom_box, PACK_SHRINK);
2946         zoom_vbox.pack_start (track_zoom_box, PACK_SHRINK);
2947
2948         snap_box.set_spacing (1);
2949         snap_box.set_border_width (2);
2950
2951         snap_type_selector.set_name ("SnapTypeSelector");
2952         set_popdown_strings (snap_type_selector, snap_type_strings, true);
2953         snap_type_selector.signal_changed().connect (sigc::mem_fun(*this, &Editor::snap_type_selection_done));
2954
2955         snap_mode_selector.set_name ("SnapModeSelector");
2956         set_popdown_strings (snap_mode_selector, snap_mode_strings, true);
2957         snap_mode_selector.signal_changed().connect (sigc::mem_fun(*this, &Editor::snap_mode_selection_done));
2958
2959         edit_point_selector.set_name ("EditPointSelector");
2960         set_popdown_strings (edit_point_selector, edit_point_strings, true);
2961         edit_point_selector.signal_changed().connect (sigc::mem_fun(*this, &Editor::edit_point_selection_done));
2962
2963         snap_box.pack_start (snap_mode_selector, false, false);
2964         snap_box.pack_start (snap_type_selector, false, false);
2965         snap_box.pack_start (edit_point_selector, false, false);
2966
2967         /* Nudge */
2968
2969         HBox *nudge_box = manage (new HBox);
2970         nudge_box->set_spacing(1);
2971         nudge_box->set_border_width (2);
2972
2973         nudge_forward_button.signal_button_release_event().connect (sigc::mem_fun(*this, &Editor::nudge_forward_release), false);
2974         nudge_backward_button.signal_button_release_event().connect (sigc::mem_fun(*this, &Editor::nudge_backward_release), false);
2975
2976         nudge_box->pack_start (nudge_backward_button, false, false);
2977         nudge_box->pack_start (nudge_forward_button, false, false);
2978         nudge_box->pack_start (nudge_clock, false, false);
2979
2980
2981         /* Pack everything in... */
2982
2983         HBox* hbox = manage (new HBox);
2984         hbox->set_spacing(10);
2985
2986         _tools_tearoff = manage (new TearOff (*hbox));
2987         _tools_tearoff->set_name ("MouseModeBase");
2988         _tools_tearoff->tearoff_window().signal_key_press_event().connect (sigc::bind (sigc::ptr_fun (relay_key_press), &_tools_tearoff->tearoff_window()), false);
2989
2990         if (Profile->get_sae()) {
2991                 _tools_tearoff->set_can_be_torn_off (false);
2992         }
2993
2994         _tools_tearoff->Detach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2995                                                     &_tools_tearoff->tearoff_window()));
2996         _tools_tearoff->Attach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2997                                                     &_tools_tearoff->tearoff_window(), 0));
2998         _tools_tearoff->Hidden.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2999                                                     &_tools_tearoff->tearoff_window()));
3000         _tools_tearoff->Visible.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
3001                                                      &_tools_tearoff->tearoff_window(), 0));
3002
3003         toolbar_hbox.set_spacing (10);
3004         toolbar_hbox.set_border_width (1);
3005
3006         toolbar_hbox.pack_start (*_mouse_mode_tearoff, false, false);
3007         toolbar_hbox.pack_start (*_tools_tearoff, false, false);
3008
3009         hbox->pack_start (snap_box, false, false);
3010         hbox->pack_start (*nudge_box, false, false);
3011         hbox->pack_start (panic_box, false, false);
3012
3013         hbox->show_all ();
3014
3015         toolbar_base.set_name ("ToolBarBase");
3016         toolbar_base.add (toolbar_hbox);
3017
3018         toolbar_frame.set_shadow_type (SHADOW_OUT);
3019         toolbar_frame.set_name ("BaseFrame");
3020         toolbar_frame.add (toolbar_base);
3021 }
3022
3023 void
3024 Editor::setup_tooltips ()
3025 {
3026         ARDOUR_UI::instance()->set_tip (mouse_move_button, _("Select/Move Objects"));
3027         ARDOUR_UI::instance()->set_tip (mouse_gain_button, _("Draw Gain Automation"));
3028         ARDOUR_UI::instance()->set_tip (mouse_zoom_button, _("Select Zoom Range"));
3029         ARDOUR_UI::instance()->set_tip (mouse_timefx_button, _("Stretch/Shrink Regions"));
3030         ARDOUR_UI::instance()->set_tip (mouse_audition_button, _("Listen to Specific Regions"));
3031         ARDOUR_UI::instance()->set_tip (join_object_range_button, _("Select/Move Objects or Ranges"));
3032         ARDOUR_UI::instance()->set_tip (internal_edit_button, _("Edit Region Contents (e.g. notes)"));
3033         ARDOUR_UI::instance()->set_tip (*_group_tabs, _("Groups: context-click for possible operations"));
3034         ARDOUR_UI::instance()->set_tip (nudge_forward_button, _("Nudge Region/Selection Forwards"));
3035         ARDOUR_UI::instance()->set_tip (nudge_backward_button, _("Nudge Region/Selection Backwards"));
3036         ARDOUR_UI::instance()->set_tip (zoom_in_button, _("Zoom In"));
3037         ARDOUR_UI::instance()->set_tip (zoom_out_button, _("Zoom Out"));
3038         ARDOUR_UI::instance()->set_tip (zoom_out_full_button, _("Zoom to Session"));
3039         ARDOUR_UI::instance()->set_tip (zoom_focus_selector, _("Zoom focus"));
3040         ARDOUR_UI::instance()->set_tip (tav_expand_button, _("Expand Tracks"));
3041         ARDOUR_UI::instance()->set_tip (tav_shrink_button, _("Shrink Tracks"));
3042         ARDOUR_UI::instance()->set_tip (snap_type_selector, _("Snap/Grid Units"));
3043         ARDOUR_UI::instance()->set_tip (snap_mode_selector, _("Snap/Grid Mode"));
3044         ARDOUR_UI::instance()->set_tip (edit_point_selector, _("Edit point"));
3045         ARDOUR_UI::instance()->set_tip (midi_sound_notes, _("Sound Notes"));
3046         ARDOUR_UI::instance()->set_tip (midi_panic_button, _("Send note off and reset controller messages on all MIDI channels"));
3047 }
3048
3049 void
3050 Editor::midi_panic ()
3051 {
3052         cerr << "MIDI panic\n";
3053
3054         if (_session) {
3055                 _session->midi_panic();
3056         }
3057 }
3058
3059 void
3060 Editor::setup_midi_toolbar ()
3061 {
3062         RefPtr<Action> act;
3063
3064         /* Midi sound notes */
3065         midi_sound_notes.add (*(manage (new Image (::get_icon("midi_sound_notes")))));
3066         midi_sound_notes.set_relief(Gtk::RELIEF_NONE);
3067         midi_sound_notes.unset_flags (CAN_FOCUS);
3068
3069         /* Panic */
3070
3071         act = ActionManager::get_action (X_("MIDI"), X_("panic"));
3072         midi_panic_button.set_name("MidiPanicButton");
3073         act->connect_proxy (midi_panic_button);
3074
3075         panic_box.pack_start (midi_sound_notes , true, true);
3076         panic_box.pack_start (midi_panic_button, true, true);
3077 }
3078
3079 int
3080 Editor::convert_drop_to_paths (
3081                 vector<ustring>&                paths,
3082                 const RefPtr<Gdk::DragContext>& /*context*/,
3083                 gint                            /*x*/,
3084                 gint                            /*y*/,
3085                 const SelectionData&            data,
3086                 guint                           /*info*/,
3087                 guint                           /*time*/)
3088 {
3089         if (_session == 0) {
3090                 return -1;
3091         }
3092
3093         vector<ustring> uris = data.get_uris();
3094
3095         if (uris.empty()) {
3096
3097                 /* This is seriously fucked up. Nautilus doesn't say that its URI lists
3098                    are actually URI lists. So do it by hand.
3099                 */
3100
3101                 if (data.get_target() != "text/plain") {
3102                         return -1;
3103                 }
3104
3105                 /* Parse the "uri-list" format that Nautilus provides,
3106                    where each pathname is delimited by \r\n.
3107
3108                    THERE MAY BE NO NULL TERMINATING CHAR!!!
3109                 */
3110
3111                 ustring txt = data.get_text();
3112                 const char* p;
3113                 const char* q;
3114
3115                 p = (const char *) malloc (txt.length() + 1);
3116                 txt.copy ((char *) p, txt.length(), 0);
3117                 ((char*)p)[txt.length()] = '\0';
3118
3119                 while (p)
3120                 {
3121                         if (*p != '#')
3122                         {
3123                                 while (g_ascii_isspace (*p))
3124                                         p++;
3125
3126                                 q = p;
3127                                 while (*q && (*q != '\n') && (*q != '\r')) {
3128                                         q++;
3129                                 }
3130
3131                                 if (q > p)
3132                                 {
3133                                         q--;
3134                                         while (q > p && g_ascii_isspace (*q))
3135                                                 q--;
3136
3137                                         if (q > p)
3138                                         {
3139                                                 uris.push_back (ustring (p, q - p + 1));
3140                                         }
3141                                 }
3142                         }
3143                         p = strchr (p, '\n');
3144                         if (p)
3145                                 p++;
3146                 }
3147
3148                 free ((void*)p);
3149
3150                 if (uris.empty()) {
3151                         return -1;
3152                 }
3153         }
3154
3155         for (vector<ustring>::iterator i = uris.begin(); i != uris.end(); ++i) {
3156
3157                 if ((*i).substr (0,7) == "file://") {
3158
3159                         ustring p = *i;
3160                         PBD::url_decode (p);
3161
3162                         // scan forward past three slashes
3163
3164                         ustring::size_type slashcnt = 0;
3165                         ustring::size_type n = 0;
3166                         ustring::iterator x = p.begin();
3167
3168                         while (slashcnt < 3 && x != p.end()) {
3169                                 if ((*x) == '/') {
3170                                         slashcnt++;
3171                                 } else if (slashcnt == 3) {
3172                                         break;
3173                                 }
3174                                 ++n;
3175                                 ++x;
3176                         }
3177
3178                         if (slashcnt != 3 || x == p.end()) {
3179                                 error << _("malformed URL passed to drag-n-drop code") << endmsg;
3180                                 continue;
3181                         }
3182
3183                         paths.push_back (p.substr (n - 1));
3184                 }
3185         }
3186
3187         return 0;
3188 }
3189
3190 void
3191 Editor::new_tempo_section ()
3192
3193 {
3194 }
3195
3196 void
3197 Editor::map_transport_state ()
3198 {
3199         ENSURE_GUI_THREAD (*this, &Editor::map_transport_state)
3200
3201         if (_session && _session->transport_stopped()) {
3202                 have_pending_keyboard_selection = false;
3203         }
3204
3205         update_loop_range_view (true);
3206 }
3207
3208 /* UNDO/REDO */
3209
3210 Editor::State::State (PublicEditor const * e)
3211 {
3212         selection = new Selection (e);
3213 }
3214
3215 Editor::State::~State ()
3216 {
3217         delete selection;
3218 }
3219
3220 void
3221 Editor::begin_reversible_command (string name)
3222 {
3223         if (_session) {
3224                 _session->begin_reversible_command (name);
3225         }
3226 }
3227
3228 void
3229 Editor::commit_reversible_command ()
3230 {
3231         if (_session) {
3232                 _session->commit_reversible_command ();
3233         }
3234 }
3235
3236 void
3237 Editor::set_route_group_solo (Route& route, bool yn)
3238 {
3239         RouteGroup *route_group;
3240
3241         if ((route_group = route.route_group()) != 0) {
3242                 route_group->apply (&Route::set_solo, yn, this);
3243         } else {
3244                 route.set_solo (yn, this);
3245         }
3246 }
3247
3248 void
3249 Editor::set_route_group_mute (Route& route, bool yn)
3250 {
3251         RouteGroup *route_group = 0;
3252
3253         if ((route_group = route.route_group()) != 0) {
3254                 route_group->apply (&Route::set_mute, yn, this);
3255         } else {
3256                 route.set_mute (yn, this);
3257         }
3258 }
3259
3260 void
3261 Editor::history_changed ()
3262 {
3263         string label;
3264
3265         if (undo_action && _session) {
3266                 if (_session->undo_depth() == 0) {
3267                         label = _("Undo");
3268                 } else {
3269                         label = string_compose(_("Undo (%1)"), _session->next_undo());
3270                 }
3271                 undo_action->property_label() = label;
3272         }
3273
3274         if (redo_action && _session) {
3275                 if (_session->redo_depth() == 0) {
3276                         label = _("Redo");
3277                 } else {
3278                         label = string_compose(_("Redo (%1)"), _session->next_redo());
3279                 }
3280                 redo_action->property_label() = label;
3281         }
3282 }
3283
3284 void
3285 Editor::duplicate_dialog (bool with_dialog)
3286 {
3287         float times = 1.0f;
3288
3289         if (mouse_mode == MouseRange) {
3290                 if (selection->time.length() == 0) {
3291                         return;
3292                 }
3293         }
3294
3295         RegionSelection rs;
3296         get_regions_for_action (rs);
3297
3298         if (mouse_mode != MouseRange) {
3299
3300                 if (rs.empty()) {
3301                         return;
3302                 }
3303         }
3304
3305         if (with_dialog) {
3306
3307                 ArdourDialog win (_("Duplicate"));
3308                 Label label (_("Number of duplications:"));
3309                 Adjustment adjustment (1.0, 1.0, 1000000.0, 1.0, 5.0);
3310                 SpinButton spinner (adjustment, 0.0, 1);
3311                 HBox hbox;
3312
3313                 win.get_vbox()->set_spacing (12);
3314                 win.get_vbox()->pack_start (hbox);
3315                 hbox.set_border_width (6);
3316                 hbox.pack_start (label, PACK_EXPAND_PADDING, 12);
3317
3318                 /* dialogs have ::add_action_widget() but that puts the spinner in the wrong
3319                    place, visually. so do this by hand.
3320                 */
3321
3322                 hbox.pack_start (spinner, PACK_EXPAND_PADDING, 12);
3323                 spinner.signal_activate().connect (sigc::bind (sigc::mem_fun (win, &ArdourDialog::response), RESPONSE_ACCEPT));
3324                 spinner.grab_focus();
3325
3326                 hbox.show ();
3327                 label.show ();
3328                 spinner.show ();
3329
3330                 win.add_button (Stock::CANCEL, RESPONSE_CANCEL);
3331                 win.add_button (_("Duplicate"), RESPONSE_ACCEPT);
3332                 win.set_default_response (RESPONSE_ACCEPT);
3333
3334                 win.set_position (WIN_POS_MOUSE);
3335
3336                 spinner.grab_focus ();
3337
3338                 switch (win.run ()) {
3339                 case RESPONSE_ACCEPT:
3340                         break;
3341                 default:
3342                         return;
3343                 }
3344
3345                 times = adjustment.get_value();
3346         }
3347
3348         if (mouse_mode == MouseRange) {
3349                 duplicate_selection (times);
3350         } else {
3351                 duplicate_some_regions (rs, times);
3352         }
3353 }
3354
3355 void
3356 Editor::show_verbose_canvas_cursor ()
3357 {
3358         verbose_canvas_cursor->raise_to_top();
3359         verbose_canvas_cursor->show();
3360         verbose_cursor_visible = true;
3361 }
3362
3363 void
3364 Editor::hide_verbose_canvas_cursor ()
3365 {
3366         verbose_canvas_cursor->hide();
3367         verbose_cursor_visible = false;
3368 }
3369
3370 double
3371 Editor::clamp_verbose_cursor_x (double x)
3372 {
3373         if (x < 0) {
3374                 x = 0;
3375         } else {
3376                 x = min (_canvas_width - 200.0, x);
3377         }
3378         return x;
3379 }
3380
3381 double
3382 Editor::clamp_verbose_cursor_y (double y)
3383 {
3384         if (y < canvas_timebars_vsize) {
3385                 y = canvas_timebars_vsize;
3386         } else {
3387                 y = min (_canvas_height - 50, y);
3388         }
3389         return y;
3390 }
3391
3392 void
3393 Editor::show_verbose_canvas_cursor_with (const string & txt)
3394 {
3395         verbose_canvas_cursor->property_text() = txt.c_str();
3396
3397         int x, y;
3398         double wx, wy;
3399
3400         track_canvas->get_pointer (x, y);
3401         track_canvas->window_to_world (x, y, wx, wy);
3402
3403         /* don't get too close to the edge */
3404         verbose_canvas_cursor->property_x() = clamp_verbose_cursor_x (wx);
3405         verbose_canvas_cursor->property_y() = clamp_verbose_cursor_y (wy);
3406
3407         show_verbose_canvas_cursor ();
3408 }
3409
3410 void
3411 Editor::set_verbose_canvas_cursor (const string & txt, double x, double y)
3412 {
3413         verbose_canvas_cursor->property_text() = txt.c_str();
3414         /* don't get too close to the edge */
3415         verbose_canvas_cursor->property_x() = clamp_verbose_cursor_x (x);
3416         verbose_canvas_cursor->property_y() = clamp_verbose_cursor_y (y);
3417 }
3418
3419 void
3420 Editor::set_verbose_canvas_cursor_text (const string & txt)
3421 {
3422         verbose_canvas_cursor->property_text() = txt.c_str();
3423 }
3424
3425 void
3426 Editor::set_edit_mode (EditMode m)
3427 {
3428         Config->set_edit_mode (m);
3429 }
3430
3431 void
3432 Editor::cycle_edit_mode ()
3433 {
3434         switch (Config->get_edit_mode()) {
3435         case Slide:
3436                 if (Profile->get_sae()) {
3437                         Config->set_edit_mode (Lock);
3438                 } else {
3439                         Config->set_edit_mode (Splice);
3440                 }
3441                 break;
3442         case Splice:
3443                 Config->set_edit_mode (Lock);
3444                 break;
3445         case Lock:
3446                 Config->set_edit_mode (Slide);
3447                 break;
3448         }
3449 }
3450
3451 void
3452 Editor::edit_mode_selection_done ()
3453 {
3454         if (_session == 0) {
3455                 return;
3456         }
3457
3458         string choice = edit_mode_selector.get_active_text();
3459         EditMode mode = Slide;
3460
3461         if (choice == _("Splice Edit")) {
3462                 mode = Splice;
3463         } else if (choice == _("Slide Edit")) {
3464                 mode = Slide;
3465         } else if (choice == _("Lock Edit")) {
3466                 mode = Lock;
3467         }
3468
3469         Config->set_edit_mode (mode);
3470 }
3471
3472 void
3473 Editor::snap_type_selection_done ()
3474 {
3475         string choice = snap_type_selector.get_active_text();
3476         SnapType snaptype = SnapToBeat;
3477
3478         if (choice == _("Beats/2")) {
3479                 snaptype = SnapToBeatDiv2;
3480         } else if (choice == _("Beats/3")) {
3481                 snaptype = SnapToBeatDiv3;
3482         } else if (choice == _("Beats/4")) {
3483                 snaptype = SnapToBeatDiv4;
3484         } else if (choice == _("Beats/5")) {
3485                 snaptype = SnapToBeatDiv5;
3486         } else if (choice == _("Beats/6")) {
3487                 snaptype = SnapToBeatDiv6;
3488         } else if (choice == _("Beats/7")) {
3489                 snaptype = SnapToBeatDiv7;
3490         } else if (choice == _("Beats/8")) {
3491                 snaptype = SnapToBeatDiv8;
3492         } else if (choice == _("Beats/10")) {
3493                 snaptype = SnapToBeatDiv10;
3494         } else if (choice == _("Beats/12")) {
3495                 snaptype = SnapToBeatDiv12;
3496         } else if (choice == _("Beats/14")) {
3497                 snaptype = SnapToBeatDiv14;
3498         } else if (choice == _("Beats/16")) {
3499                 snaptype = SnapToBeatDiv16;
3500         } else if (choice == _("Beats/24")) {
3501                 snaptype = SnapToBeatDiv24;
3502         } else if (choice == _("Beats/28")) {
3503                 snaptype = SnapToBeatDiv28;
3504         } else if (choice == _("Beats/32")) {
3505                 snaptype = SnapToBeatDiv32;
3506         } else if (choice == _("Beats")) {
3507                 snaptype = SnapToBeat;
3508         } else if (choice == _("Bars")) {
3509                 snaptype = SnapToBar;
3510         } else if (choice == _("Marks")) {
3511                 snaptype = SnapToMark;
3512         } else if (choice == _("Region starts")) {
3513                 snaptype = SnapToRegionStart;
3514         } else if (choice == _("Region ends")) {
3515                 snaptype = SnapToRegionEnd;
3516         } else if (choice == _("Region bounds")) {
3517                 snaptype = SnapToRegionBoundary;
3518         } else if (choice == _("Region syncs")) {
3519                 snaptype = SnapToRegionSync;
3520         } else if (choice == _("CD Frames")) {
3521                 snaptype = SnapToCDFrame;
3522         } else if (choice == _("Timecode Frames")) {
3523                 snaptype = SnapToTimecodeFrame;
3524         } else if (choice == _("Timecode Seconds")) {
3525                 snaptype = SnapToTimecodeSeconds;
3526         } else if (choice == _("Timecode Minutes")) {
3527                 snaptype = SnapToTimecodeMinutes;
3528         } else if (choice == _("Seconds")) {
3529                 snaptype = SnapToSeconds;
3530         } else if (choice == _("Minutes")) {
3531                 snaptype = SnapToMinutes;
3532         }
3533
3534         RefPtr<RadioAction> ract = snap_type_action (snaptype);
3535         if (ract) {
3536                 ract->set_active ();
3537         }
3538 }
3539
3540 void
3541 Editor::snap_mode_selection_done ()
3542 {
3543         string choice = snap_mode_selector.get_active_text();
3544         SnapMode mode = SnapNormal;
3545
3546         if (choice == _("No Grid")) {
3547                 mode = SnapOff;
3548         } else if (choice == _("Grid")) {
3549                 mode = SnapNormal;
3550         } else if (choice == _("Magnetic")) {
3551                 mode = SnapMagnetic;
3552         }
3553
3554         RefPtr<RadioAction> ract = snap_mode_action (mode);
3555
3556         if (ract) {
3557                 ract->set_active (true);
3558         }
3559 }
3560
3561 void
3562 Editor::cycle_edit_point (bool with_marker)
3563 {
3564         switch (_edit_point) {
3565         case EditAtMouse:
3566                 set_edit_point_preference (EditAtPlayhead);
3567                 break;
3568         case EditAtPlayhead:
3569                 if (with_marker) {
3570                         set_edit_point_preference (EditAtSelectedMarker);
3571                 } else {
3572                         set_edit_point_preference (EditAtMouse);
3573                 }
3574                 break;
3575         case EditAtSelectedMarker:
3576                 set_edit_point_preference (EditAtMouse);
3577                 break;
3578         }
3579 }
3580
3581 void
3582 Editor::edit_point_selection_done ()
3583 {
3584         string choice = edit_point_selector.get_active_text();
3585         EditPoint ep = EditAtSelectedMarker;
3586
3587         if (choice == _("Marker")) {
3588                 set_edit_point_preference (EditAtSelectedMarker);
3589         } else if (choice == _("Playhead")) {
3590                 set_edit_point_preference (EditAtPlayhead);
3591         } else {
3592                 set_edit_point_preference (EditAtMouse);
3593         }
3594
3595         RefPtr<RadioAction> ract = edit_point_action (ep);
3596
3597         if (ract) {
3598                 ract->set_active (true);
3599         }
3600 }
3601
3602 void
3603 Editor::zoom_focus_selection_done ()
3604 {
3605         string choice = zoom_focus_selector.get_active_text();
3606         ZoomFocus focus_type = ZoomFocusLeft;
3607
3608         if (choice == _("Left")) {
3609                 focus_type = ZoomFocusLeft;
3610         } else if (choice == _("Right")) {
3611                 focus_type = ZoomFocusRight;
3612         } else if (choice == _("Center")) {
3613                 focus_type = ZoomFocusCenter;
3614         } else if (choice == _("Playhead")) {
3615                 focus_type = ZoomFocusPlayhead;
3616         } else if (choice == _("Mouse")) {
3617                 focus_type = ZoomFocusMouse;
3618         } else if (choice == _("Edit point")) {
3619                 focus_type = ZoomFocusEdit;
3620         }
3621
3622         RefPtr<RadioAction> ract = zoom_focus_action (focus_type);
3623
3624         if (ract) {
3625                 ract->set_active ();
3626         }
3627 }
3628
3629 gint
3630 Editor::edit_controls_button_release (GdkEventButton* ev)
3631 {
3632         if (Keyboard::is_context_menu_event (ev)) {
3633                 ARDOUR_UI::instance()->add_route (this);
3634         }
3635         return TRUE;
3636 }
3637
3638 gint
3639 Editor::mouse_select_button_release (GdkEventButton* ev)
3640 {
3641         /* this handles just right-clicks */
3642
3643         if (ev->button != 3) {
3644                 return false;
3645         }
3646
3647         return true;
3648 }
3649
3650 void
3651 Editor::set_zoom_focus (ZoomFocus f)
3652 {
3653         string str = zoom_focus_strings[(int)f];
3654
3655         if (str != zoom_focus_selector.get_active_text()) {
3656                 zoom_focus_selector.set_active_text (str);
3657         }
3658
3659         if (zoom_focus != f) {
3660                 zoom_focus = f;
3661
3662                 ZoomFocusChanged (); /* EMIT_SIGNAL */
3663
3664                 instant_save ();
3665         }
3666 }
3667
3668 void
3669 Editor::ensure_float (Window& win)
3670 {
3671         win.set_transient_for (*this);
3672 }
3673
3674 void
3675 Editor::pane_allocation_handler (Allocation &alloc, Paned* which)
3676 {
3677         /* recover or initialize pane positions. do this here rather than earlier because
3678            we don't want the positions to change the child allocations, which they seem to do.
3679          */
3680
3681         int pos;
3682         XMLProperty* prop;
3683         char buf[32];
3684         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
3685         int width, height;
3686
3687         enum Pane {
3688                 Horizontal = 0x1,
3689                 Vertical = 0x2
3690         };
3691
3692         static Pane done;
3693
3694         XMLNode* geometry;
3695
3696         width = default_width;
3697         height = default_height;
3698
3699         if ((geometry = find_named_node (*node, "geometry")) != 0) {
3700
3701                 prop = geometry->property ("x-size");
3702                 if (prop) {
3703                         width = atoi (prop->value());
3704                 }
3705                 prop = geometry->property ("y-size");
3706                 if (prop) {
3707                         height = atoi (prop->value());
3708                 }
3709         }
3710
3711         if (which == static_cast<Paned*> (&edit_pane)) {
3712
3713                 if (done & Horizontal) {
3714                         return;
3715                 }
3716
3717                 if (!geometry || (prop = geometry->property ("edit-horizontal-pane-pos")) == 0) {
3718                         /* initial allocation is 90% to canvas, 10% to notebook */
3719                         pos = (int) floor (alloc.get_width() * 0.90f);
3720                         snprintf (buf, sizeof(buf), "%d", pos);
3721                 } else {
3722                         pos = atoi (prop->value());
3723                 }
3724
3725                 if (GTK_WIDGET(edit_pane.gobj())->allocation.width > pos) {
3726                         edit_pane.set_position (pos);
3727                         pre_maximal_horizontal_pane_position = pos;
3728                 }
3729
3730                 done = (Pane) (done | Horizontal);
3731
3732         } else if (which == static_cast<Paned*> (&editor_summary_pane)) {
3733
3734                 if (done & Vertical) {
3735                         return;
3736                 }
3737
3738                 if (!geometry || (prop = geometry->property ("edit-vertical-pane-pos")) == 0) {
3739                         /* initial allocation is 90% to canvas, 10% to summary */
3740                         pos = (int) floor (alloc.get_height() * 0.90f);
3741                         snprintf (buf, sizeof(buf), "%d", pos);
3742                 } else {
3743                         pos = atoi (prop->value());
3744                 }
3745
3746                 if (GTK_WIDGET(editor_summary_pane.gobj())->allocation.height > pos) {
3747                         editor_summary_pane.set_position (pos);
3748                         pre_maximal_vertical_pane_position = pos;
3749                 }
3750
3751                 done = (Pane) (done | Vertical);
3752         }
3753 }
3754
3755 void
3756 Editor::detach_tearoff (Box* /*b*/, Window* /*w*/)
3757 {
3758         if (_tools_tearoff->torn_off() && _mouse_mode_tearoff->torn_off()) {
3759                 top_hbox.remove (toolbar_frame);
3760         }
3761 }
3762
3763 void
3764 Editor::reattach_tearoff (Box* /*b*/, Window* /*w*/, int32_t /*n*/)
3765 {
3766         if (toolbar_frame.get_parent() == 0) {
3767                 top_hbox.pack_end (toolbar_frame);
3768         }
3769 }
3770
3771 void
3772 Editor::set_show_measures (bool yn)
3773 {
3774         if (_show_measures != yn) {
3775                 hide_measures ();
3776
3777                 if ((_show_measures = yn) == true) {
3778                         if (tempo_lines)
3779                                 tempo_lines->show();
3780                         draw_measures ();
3781                 }
3782                 instant_save ();
3783         }
3784 }
3785
3786 void
3787 Editor::toggle_follow_playhead ()
3788 {
3789         RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
3790         if (act) {
3791                 RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
3792                 set_follow_playhead (tact->get_active());
3793         }
3794 }
3795
3796 void
3797 Editor::set_follow_playhead (bool yn)
3798 {
3799         if (_follow_playhead != yn) {
3800                 if ((_follow_playhead = yn) == true) {
3801                         /* catch up */
3802                         reset_x_origin_to_follow_playhead ();
3803                 }
3804                 instant_save ();
3805         }
3806 }
3807
3808 void
3809 Editor::toggle_stationary_playhead ()
3810 {
3811        RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-stationary-playhead"));
3812        if (act) {
3813                RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
3814                set_stationary_playhead (tact->get_active());
3815        }
3816 }
3817
3818 void
3819 Editor::set_stationary_playhead (bool yn)
3820 {
3821        if (_stationary_playhead != yn) {
3822                if ((_stationary_playhead = yn) == true) {
3823                        /* catch up */
3824                        // FIXME need a 3.0 equivalent of this 2.X call
3825                        // update_current_screen ();
3826                }
3827                instant_save ();
3828        }
3829 }
3830
3831 void
3832 Editor::toggle_xfade_active (boost::weak_ptr<Crossfade> wxfade)
3833 {
3834         boost::shared_ptr<Crossfade> xfade (wxfade.lock());
3835         if (xfade) {
3836                 xfade->set_active (!xfade->active());
3837         }
3838 }
3839
3840 void
3841 Editor::toggle_xfade_length (boost::weak_ptr<Crossfade> wxfade)
3842 {
3843         boost::shared_ptr<Crossfade> xfade (wxfade.lock());
3844         if (xfade) {
3845                 xfade->set_follow_overlap (!xfade->following_overlap());
3846         }
3847 }
3848
3849 void
3850 Editor::edit_xfade (boost::weak_ptr<Crossfade> wxfade)
3851 {
3852         boost::shared_ptr<Crossfade> xfade (wxfade.lock());
3853
3854         if (!xfade) {
3855                 return;
3856         }
3857
3858         CrossfadeEditor cew (_session, xfade, xfade->fade_in().get_min_y(), 1.0);
3859
3860         ensure_float (cew);
3861
3862         switch (cew.run ()) {
3863         case RESPONSE_ACCEPT:
3864                 break;
3865         default:
3866                 return;
3867         }
3868
3869         cew.apply ();
3870         PropertyChange all_crossfade_properties;
3871         all_crossfade_properties.add (ARDOUR::Properties::active);
3872         all_crossfade_properties.add (ARDOUR::Properties::follow_overlap);
3873         xfade->PropertyChanged (all_crossfade_properties);
3874 }
3875
3876 PlaylistSelector&
3877 Editor::playlist_selector () const
3878 {
3879         return *_playlist_selector;
3880 }
3881
3882 Evoral::MusicalTime
3883 Editor::get_grid_type_as_beats (bool& success, nframes64_t position)
3884 {
3885         success = true;
3886
3887         switch (_snap_type) {
3888         case SnapToBeat:
3889                 return 1.0;
3890                 break;
3891
3892         case SnapToBeatDiv32:
3893                 return 1.0/32.0;
3894                 break;
3895         case SnapToBeatDiv28:
3896                 return 1.0/28.0;
3897                 break;
3898         case SnapToBeatDiv24:
3899                 return 1.0/24.0;
3900                 break;
3901         case SnapToBeatDiv16:
3902                 return 1.0/16.0;
3903                 break;
3904         case SnapToBeatDiv14:
3905                 return 1.0/14.0;
3906                 break;
3907         case SnapToBeatDiv12:
3908                 return 1.0/12.0;
3909                 break;
3910         case SnapToBeatDiv10:
3911                 return 1.0/10.0;
3912                 break;
3913         case SnapToBeatDiv8:
3914                 return 1.0/8.0;
3915                 break;
3916         case SnapToBeatDiv7:
3917                 return 1.0/7.0;
3918                 break;
3919         case SnapToBeatDiv6:
3920                 return 1.0/6.0;
3921                 break;
3922         case SnapToBeatDiv5:
3923                 return 1.0/5.0;
3924                 break;
3925         case SnapToBeatDiv4:
3926                 return 1.0/4.0;
3927                 break;
3928         case SnapToBeatDiv3:
3929                 return 1.0/3.0;
3930                 break;
3931         case SnapToBeatDiv2:
3932                 return 1.0/2.0;
3933                 break;
3934
3935         case SnapToBar:
3936                 if (_session) {
3937                         return _session->tempo_map().meter_at (position).beats_per_bar();
3938                 }
3939                 break;
3940
3941         case SnapToCDFrame:
3942         case SnapToTimecodeFrame:
3943         case SnapToTimecodeSeconds:
3944         case SnapToTimecodeMinutes:
3945         case SnapToSeconds:
3946         case SnapToMinutes:
3947         case SnapToRegionStart:
3948         case SnapToRegionEnd:
3949         case SnapToRegionSync:
3950         case SnapToRegionBoundary:
3951         default:
3952                 success = false;
3953                 break;
3954         }
3955
3956         return 0.0;
3957 }
3958
3959 nframes64_t
3960 Editor::get_nudge_distance (nframes64_t pos, nframes64_t& next)
3961 {
3962         nframes64_t ret;
3963
3964         ret = nudge_clock.current_duration (pos);
3965         next = ret + 1; /* XXXX fix me */
3966
3967         return ret;
3968 }
3969
3970 int
3971 Editor::playlist_deletion_dialog (boost::shared_ptr<Playlist> pl)
3972 {
3973         ArdourDialog dialog (_("Playlist Deletion"));
3974         Label  label (string_compose (_("Playlist %1 is currently unused.\n"
3975                                         "If left alone, no audio files used by it will be cleaned.\n"
3976                                         "If deleted, audio files used by it alone by will cleaned."),
3977                                       pl->name()));
3978
3979         dialog.set_position (WIN_POS_CENTER);
3980         dialog.get_vbox()->pack_start (label);
3981
3982         label.show ();
3983
3984         dialog.add_button (_("Delete playlist"), RESPONSE_ACCEPT);
3985         dialog.add_button (_("Keep playlist"), RESPONSE_REJECT);
3986         dialog.add_button (_("Cancel"), RESPONSE_CANCEL);
3987
3988         switch (dialog.run ()) {
3989         case RESPONSE_ACCEPT:
3990                 /* delete the playlist */
3991                 return 0;
3992                 break;
3993
3994         case RESPONSE_REJECT:
3995                 /* keep the playlist */
3996                 return 1;
3997                 break;
3998
3999         default:
4000                 break;
4001         }
4002
4003         return -1;
4004 }
4005
4006 bool
4007 Editor::audio_region_selection_covers (nframes64_t where)
4008 {
4009         for (RegionSelection::iterator a = selection->regions.begin(); a != selection->regions.end(); ++a) {
4010                 if ((*a)->region()->covers (where)) {
4011                         return true;
4012                 }
4013         }
4014
4015         return false;
4016 }
4017
4018 void
4019 Editor::prepare_for_cleanup ()
4020 {
4021         cut_buffer->clear_regions ();
4022         cut_buffer->clear_playlists ();
4023
4024         selection->clear_regions ();
4025         selection->clear_playlists ();
4026
4027         _regions->suspend_redisplay ();
4028 }
4029
4030 void
4031 Editor::finish_cleanup ()
4032 {
4033         _regions->resume_redisplay ();
4034 }
4035
4036 Location*
4037 Editor::transport_loop_location()
4038 {
4039         if (_session) {
4040                 return _session->locations()->auto_loop_location();
4041         } else {
4042                 return 0;
4043         }
4044 }
4045
4046 Location*
4047 Editor::transport_punch_location()
4048 {
4049         if (_session) {
4050                 return _session->locations()->auto_punch_location();
4051         } else {
4052                 return 0;
4053         }
4054 }
4055
4056 bool
4057 Editor::control_layout_scroll (GdkEventScroll* ev)
4058 {
4059         if (Keyboard::some_magic_widget_has_focus()) {
4060                 return false;
4061         }
4062
4063         switch (ev->direction) {
4064         case GDK_SCROLL_UP:
4065                 scroll_tracks_up_line ();
4066                 return true;
4067                 break;
4068
4069         case GDK_SCROLL_DOWN:
4070                 scroll_tracks_down_line ();
4071                 return true;
4072
4073         default:
4074                 /* no left/right handling yet */
4075                 break;
4076         }
4077
4078         return false;
4079 }
4080
4081 void
4082 Editor::session_state_saved (string snap_name)
4083 {
4084         ENSURE_GUI_THREAD (*this, &Editor::session_state_saved, snap_name);
4085
4086         update_title ();
4087         _snapshots->redisplay ();
4088 }
4089
4090 void
4091 Editor::maximise_editing_space ()
4092 {
4093         _mouse_mode_tearoff->set_visible (false);
4094         _tools_tearoff->set_visible (false);
4095
4096         pre_maximal_horizontal_pane_position = edit_pane.get_position ();
4097         pre_maximal_vertical_pane_position = editor_summary_pane.get_position ();
4098         pre_maximal_editor_width = this->get_width ();
4099         pre_maximal_editor_height = this->get_height ();
4100
4101         if (post_maximal_horizontal_pane_position == 0) {
4102                 post_maximal_horizontal_pane_position = edit_pane.get_width();
4103         }
4104
4105         if (post_maximal_vertical_pane_position == 0) {
4106                 post_maximal_vertical_pane_position = editor_summary_pane.get_height();
4107         }
4108
4109         fullscreen ();
4110
4111         if (post_maximal_editor_width) {
4112                 edit_pane.set_position (post_maximal_horizontal_pane_position -
4113                         abs(post_maximal_editor_width - pre_maximal_editor_width));
4114         } else {
4115                 edit_pane.set_position (post_maximal_horizontal_pane_position);
4116         }
4117
4118         if (post_maximal_editor_height) {
4119                 editor_summary_pane.set_position (post_maximal_vertical_pane_position -
4120                         abs(post_maximal_editor_height - pre_maximal_editor_height));
4121         } else {
4122                 editor_summary_pane.set_position (post_maximal_vertical_pane_position);
4123         }
4124 }
4125
4126 void
4127 Editor::restore_editing_space ()
4128 {
4129         // user changed width/height of panes during fullscreen
4130
4131         if (post_maximal_horizontal_pane_position != edit_pane.get_position()) {
4132                 post_maximal_horizontal_pane_position = edit_pane.get_position();
4133         }
4134
4135         if (post_maximal_vertical_pane_position != editor_summary_pane.get_position()) {
4136                 post_maximal_vertical_pane_position = editor_summary_pane.get_position();
4137         }
4138
4139         unfullscreen();
4140
4141         _mouse_mode_tearoff->set_visible (true);
4142         _tools_tearoff->set_visible (true);
4143         post_maximal_editor_width = this->get_width();
4144         post_maximal_editor_height = this->get_height();
4145
4146         edit_pane.set_position (pre_maximal_horizontal_pane_position + abs(this->get_width() - pre_maximal_editor_width));
4147         editor_summary_pane.set_position (pre_maximal_vertical_pane_position + abs(this->get_height() - pre_maximal_editor_height));
4148 }
4149
4150 /**
4151  *  Make new playlists for a given track and also any others that belong
4152  *  to the same active route group with the `edit' property.
4153  *  @param v Track.
4154  */
4155
4156 void
4157 Editor::new_playlists (TimeAxisView* v)
4158 {
4159         begin_reversible_command (_("new playlists"));
4160         vector<boost::shared_ptr<ARDOUR::Playlist> > playlists;
4161         _session->playlists->get (playlists);
4162         mapover_tracks (sigc::bind (sigc::mem_fun (*this, &Editor::mapped_use_new_playlist), playlists), v, ARDOUR::Properties::edit.property_id);
4163         commit_reversible_command ();
4164 }
4165
4166 /**
4167  *  Use a copy of the current playlist for a given track and also any others that belong
4168  *  to the same active route group with the `edit' property.
4169  *  @param v Track.
4170  */
4171
4172 void
4173 Editor::copy_playlists (TimeAxisView* v)
4174 {
4175         begin_reversible_command (_("copy playlists"));
4176         vector<boost::shared_ptr<ARDOUR::Playlist> > playlists;
4177         _session->playlists->get (playlists);
4178         mapover_tracks (sigc::bind (sigc::mem_fun (*this, &Editor::mapped_use_copy_playlist), playlists), v, ARDOUR::Properties::edit.property_id);
4179         commit_reversible_command ();
4180 }
4181
4182 /** Clear the current playlist for a given track and also any others that belong
4183  *  to the same active route group with the `edit' property.
4184  *  @param v Track.
4185  */
4186
4187 void
4188 Editor::clear_playlists (TimeAxisView* v)
4189 {
4190         begin_reversible_command (_("clear playlists"));
4191         vector<boost::shared_ptr<ARDOUR::Playlist> > playlists;
4192         _session->playlists->get (playlists);
4193         mapover_tracks (sigc::mem_fun (*this, &Editor::mapped_clear_playlist), v, ARDOUR::Properties::edit.property_id);
4194         commit_reversible_command ();
4195 }
4196
4197 void
4198 Editor::mapped_use_new_playlist (RouteTimeAxisView& atv, uint32_t sz, vector<boost::shared_ptr<ARDOUR::Playlist> > const & playlists)
4199 {
4200         atv.use_new_playlist (sz > 1 ? false : true, playlists);
4201 }
4202
4203 void
4204 Editor::mapped_use_copy_playlist (RouteTimeAxisView& atv, uint32_t sz, vector<boost::shared_ptr<ARDOUR::Playlist> > const & playlists)
4205 {
4206         atv.use_copy_playlist (sz > 1 ? false : true, playlists);
4207 }
4208
4209 void
4210 Editor::mapped_clear_playlist (RouteTimeAxisView& atv, uint32_t /*sz*/)
4211 {
4212         atv.clear_playlist ();
4213 }
4214
4215 bool
4216 Editor::on_key_press_event (GdkEventKey* ev)
4217 {
4218         return key_press_focus_accelerator_handler (*this, ev);
4219 }
4220
4221 bool
4222 Editor::on_key_release_event (GdkEventKey* ev)
4223 {
4224         return Gtk::Window::on_key_release_event (ev);
4225         // return key_press_focus_accelerator_handler (*this, ev);
4226 }
4227
4228 /** Queue up a change to the viewport x origin.
4229  *  @param frame New x origin.
4230  */
4231 void
4232 Editor::reset_x_origin (nframes64_t frame)
4233 {
4234         queue_visual_change (frame);
4235 }
4236
4237 void
4238 Editor::reset_y_origin (double y)
4239 {
4240         queue_visual_change_y (y);
4241 }
4242
4243 void
4244 Editor::reset_zoom (double fpu)
4245 {
4246         queue_visual_change (fpu);
4247 }
4248
4249 void
4250 Editor::reposition_and_zoom (nframes64_t frame, double fpu)
4251 {
4252         reset_x_origin (frame);
4253         reset_zoom (fpu);
4254
4255         if (!no_save_visual) {
4256                 undo_visual_stack.push_back (current_visual_state(false));
4257         }
4258 }
4259
4260 Editor::VisualState*
4261 Editor::current_visual_state (bool with_tracks)
4262 {
4263         VisualState* vs = new VisualState;
4264         vs->y_position = vertical_adjustment.get_value();
4265         vs->frames_per_unit = frames_per_unit;
4266         vs->leftmost_frame = leftmost_frame;
4267         vs->zoom_focus = zoom_focus;
4268
4269         if (with_tracks) {
4270                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
4271                         vs->track_states.push_back (TAVState ((*i), &(*i)->get_state()));
4272                 }
4273         }
4274
4275         return vs;
4276 }
4277
4278 void
4279 Editor::undo_visual_state ()
4280 {
4281         if (undo_visual_stack.empty()) {
4282                 return;
4283         }
4284
4285         redo_visual_stack.push_back (current_visual_state());
4286
4287         VisualState* vs = undo_visual_stack.back();
4288         undo_visual_stack.pop_back();
4289         use_visual_state (*vs);
4290 }
4291
4292 void
4293 Editor::redo_visual_state ()
4294 {
4295         if (redo_visual_stack.empty()) {
4296                 return;
4297         }
4298
4299         undo_visual_stack.push_back (current_visual_state());
4300
4301         VisualState* vs = redo_visual_stack.back();
4302         redo_visual_stack.pop_back();
4303         use_visual_state (*vs);
4304 }
4305
4306 void
4307 Editor::swap_visual_state ()
4308 {
4309         if (undo_visual_stack.empty()) {
4310                 redo_visual_state ();
4311         } else {
4312                 undo_visual_state ();
4313         }
4314 }
4315
4316 void
4317 Editor::use_visual_state (VisualState& vs)
4318 {
4319         no_save_visual = true;
4320
4321         _routes->suspend_redisplay ();
4322
4323         vertical_adjustment.set_value (vs.y_position);
4324
4325         set_zoom_focus (vs.zoom_focus);
4326         reposition_and_zoom (vs.leftmost_frame, vs.frames_per_unit);
4327
4328         for (list<TAVState>::iterator i = vs.track_states.begin(); i != vs.track_states.end(); ++i) {
4329                 TrackViewList::iterator t;
4330
4331                 /* check if the track still exists - it could have been deleted */
4332
4333                 if ((t = find (track_views.begin(), track_views.end(), i->first)) != track_views.end()) {
4334                         (*t)->set_state (*(i->second), Stateful::loading_state_version);
4335                 }
4336         }
4337
4338
4339         if (!vs.track_states.empty()) {
4340                 _routes->update_visibility ();
4341         }
4342
4343         _routes->resume_redisplay ();
4344
4345         no_save_visual = false;
4346 }
4347
4348 void
4349 Editor::set_frames_per_unit (double fpu)
4350 {
4351         /* this is the core function that controls the zoom level of the canvas. it is called
4352            whenever one or more calls are made to reset_zoom(). it executes in an idle handler.
4353         */
4354
4355         if (fpu == frames_per_unit) {
4356                 return;
4357         }
4358
4359         if (fpu < 2.0) {
4360                 fpu = 2.0;
4361         }
4362
4363
4364         /* don't allow zooms that fit more than the maximum number
4365            of frames into an 800 pixel wide space.
4366         */
4367
4368         if (max_frames / fpu < 800.0) {
4369                 return;
4370         }
4371
4372         if (tempo_lines)
4373                 tempo_lines->tempo_map_changed();
4374
4375         frames_per_unit = fpu;
4376         post_zoom ();
4377 }
4378
4379 void
4380 Editor::post_zoom ()
4381 {
4382         // convert fpu to frame count
4383
4384         nframes64_t frames = (nframes64_t) floor (frames_per_unit * _canvas_width);
4385
4386         if (frames_per_unit != zoom_range_clock.current_duration()) {
4387                 zoom_range_clock.set (frames);
4388         }
4389
4390         if (mouse_mode == MouseRange && selection->time.start () != selection->time.end_frame ()) {
4391                 for (TrackViewList::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
4392                         (*i)->reshow_selection (selection->time);
4393                 }
4394         }
4395
4396         ZoomChanged (); /* EMIT_SIGNAL */
4397
4398         //reset_scrolling_region ();
4399
4400         if (playhead_cursor) {
4401                 playhead_cursor->set_position (playhead_cursor->current_frame);
4402         }
4403
4404         refresh_location_display();
4405         _summary->set_overlays_dirty ();
4406
4407         instant_save ();
4408 }
4409
4410 void
4411 Editor::queue_visual_change (nframes64_t where)
4412 {
4413         pending_visual_change.add (VisualChange::TimeOrigin);
4414         pending_visual_change.time_origin = where;
4415         ensure_visual_change_idle_handler ();
4416 }
4417
4418 void
4419 Editor::queue_visual_change (double fpu)
4420 {
4421         pending_visual_change.add (VisualChange::ZoomLevel);
4422         pending_visual_change.frames_per_unit = fpu;
4423
4424         ensure_visual_change_idle_handler ();
4425 }
4426
4427 void
4428 Editor::queue_visual_change_y (double y)
4429 {
4430         pending_visual_change.add (VisualChange::YOrigin);
4431         pending_visual_change.y_origin = y;
4432
4433         ensure_visual_change_idle_handler ();
4434 }
4435
4436 void
4437 Editor::ensure_visual_change_idle_handler ()
4438 {
4439         if (pending_visual_change.idle_handler_id < 0) {
4440                 pending_visual_change.idle_handler_id = g_idle_add (_idle_visual_changer, this);
4441         }
4442 }
4443
4444 int
4445 Editor::_idle_visual_changer (void* arg)
4446 {
4447         return static_cast<Editor*>(arg)->idle_visual_changer ();
4448 }
4449
4450 int
4451 Editor::idle_visual_changer ()
4452 {
4453         VisualChange::Type p = pending_visual_change.pending;
4454         pending_visual_change.pending = (VisualChange::Type) 0;
4455
4456         double last_time_origin = horizontal_position ();
4457
4458         if (p & VisualChange::ZoomLevel) {
4459                 set_frames_per_unit (pending_visual_change.frames_per_unit);
4460
4461                 compute_fixed_ruler_scale ();
4462                 compute_current_bbt_points(pending_visual_change.time_origin, pending_visual_change.time_origin + current_page_frames());
4463                 compute_bbt_ruler_scale (pending_visual_change.time_origin, pending_visual_change.time_origin + current_page_frames());
4464                 update_tempo_based_rulers ();
4465         }
4466         if (p & VisualChange::TimeOrigin) {
4467                 set_horizontal_position (pending_visual_change.time_origin / frames_per_unit);
4468         }
4469         if (p & VisualChange::YOrigin) {
4470                 vertical_adjustment.set_value (pending_visual_change.y_origin);
4471         }
4472
4473         if (last_time_origin == horizontal_position ()) {
4474                 /* changed signal not emitted */
4475                 update_fixed_rulers ();
4476                 redisplay_tempo (true);
4477         }
4478
4479         _summary->set_overlays_dirty ();
4480
4481         pending_visual_change.idle_handler_id = -1;
4482         return 0; /* this is always a one-shot call */
4483 }
4484
4485 struct EditorOrderTimeAxisSorter {
4486     bool operator() (const TimeAxisView* a, const TimeAxisView* b) const {
4487             return a->order () < b->order ();
4488     }
4489 };
4490
4491 void
4492 Editor::sort_track_selection (TrackViewList* sel)
4493 {
4494         EditorOrderTimeAxisSorter cmp;
4495
4496         if (sel) {
4497                 sel->sort (cmp);
4498         } else {
4499                 selection->tracks.sort (cmp);
4500         }
4501 }
4502
4503 nframes64_t
4504 Editor::get_preferred_edit_position (bool ignore_playhead)
4505 {
4506         bool ignored;
4507         nframes64_t where = 0;
4508         EditPoint ep = _edit_point;
4509
4510         if (entered_marker) {
4511                 return entered_marker->position();
4512         }
4513
4514         if (ignore_playhead && ep == EditAtPlayhead) {
4515                 ep = EditAtSelectedMarker;
4516         }
4517
4518         switch (ep) {
4519         case EditAtPlayhead:
4520                 where = _session->audible_frame();
4521                 break;
4522
4523         case EditAtSelectedMarker:
4524                 if (!selection->markers.empty()) {
4525                         bool is_start;
4526                         Location* loc = find_location_from_marker (selection->markers.front(), is_start);
4527                         if (loc) {
4528                                 if (is_start) {
4529                                         where =  loc->start();
4530                                 } else {
4531                                         where = loc->end();
4532                                 }
4533                                 break;
4534                         }
4535                 }
4536                 /* fallthru */
4537
4538         default:
4539         case EditAtMouse:
4540                 if (!mouse_frame (where, ignored)) {
4541                         /* XXX not right but what can we do ? */
4542                         return 0;
4543                 }
4544                 snap_to (where);
4545                 break;
4546         }
4547
4548         return where;
4549 }
4550
4551 void
4552 Editor::set_loop_range (nframes64_t start, nframes64_t end, string cmd)
4553 {
4554         if (!_session) return;
4555
4556         begin_reversible_command (cmd);
4557
4558         Location* tll;
4559
4560         if ((tll = transport_loop_location()) == 0) {
4561                 Location* loc = new Location (start, end, _("Loop"),  Location::IsAutoLoop);
4562                 XMLNode &before = _session->locations()->get_state();
4563                 _session->locations()->add (loc, true);
4564                 _session->set_auto_loop_location (loc);
4565                 XMLNode &after = _session->locations()->get_state();
4566                 _session->add_command (new MementoCommand<Locations>(*(_session->locations()), &before, &after));
4567         } else {
4568                 XMLNode &before = tll->get_state();
4569                 tll->set_hidden (false, this);
4570                 tll->set (start, end);
4571                 XMLNode &after = tll->get_state();
4572                 _session->add_command (new MementoCommand<Location>(*tll, &before, &after));
4573         }
4574
4575         commit_reversible_command ();
4576 }
4577
4578 void
4579 Editor::set_punch_range (nframes64_t start, nframes64_t end, string cmd)
4580 {
4581         if (!_session) return;
4582
4583         begin_reversible_command (cmd);
4584
4585         Location* tpl;
4586
4587         if ((tpl = transport_punch_location()) == 0) {
4588                 Location* loc = new Location (start, end, _("Loop"),  Location::IsAutoPunch);
4589                 XMLNode &before = _session->locations()->get_state();
4590                 _session->locations()->add (loc, true);
4591                 _session->set_auto_loop_location (loc);
4592                 XMLNode &after = _session->locations()->get_state();
4593                 _session->add_command (new MementoCommand<Locations>(*(_session->locations()), &before, &after));
4594         }
4595         else {
4596                 XMLNode &before = tpl->get_state();
4597                 tpl->set_hidden (false, this);
4598                 tpl->set (start, end);
4599                 XMLNode &after = tpl->get_state();
4600                 _session->add_command (new MementoCommand<Location>(*tpl, &before, &after));
4601         }
4602
4603         commit_reversible_command ();
4604 }
4605
4606 /** Find regions which exist at a given time, and optionally on a given list of tracks.
4607  *  @param rs List to which found regions are added.
4608  *  @param where Time to look at.
4609  *  @param ts Tracks to look on; if this is empty, all tracks are examined.
4610  */
4611 void
4612 Editor::get_regions_at (RegionSelection& rs, nframes64_t where, const TrackViewList& ts) const
4613 {
4614         const TrackViewList* tracks;
4615
4616         if (ts.empty()) {
4617                 tracks = &track_views;
4618         } else {
4619                 tracks = &ts;
4620         }
4621
4622         for (TrackViewList::const_iterator t = tracks->begin(); t != tracks->end(); ++t) {
4623                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(*t);
4624                 if (rtv) {
4625                         boost::shared_ptr<Track> tr;
4626                         boost::shared_ptr<Playlist> pl;
4627
4628                         if ((tr = rtv->track()) && ((pl = tr->playlist()))) {
4629
4630                                 Playlist::RegionList* regions = pl->regions_at (
4631                                                 (nframes64_t) floor ( (double)where * tr->speed()));
4632
4633                                 for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
4634                                         RegionView* rv = rtv->view()->find_view (*i);
4635                                         if (rv) {
4636                                                 rs.add (rv);
4637                                         }
4638                                 }
4639
4640                                 delete regions;
4641                         }
4642                 }
4643         }
4644 }
4645
4646 void
4647 Editor::get_regions_after (RegionSelection& rs, nframes64_t where, const TrackViewList& ts) const
4648 {
4649         const TrackViewList* tracks;
4650
4651         if (ts.empty()) {
4652                 tracks = &track_views;
4653         } else {
4654                 tracks = &ts;
4655         }
4656
4657         for (TrackViewList::const_iterator t = tracks->begin(); t != tracks->end(); ++t) {
4658                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(*t);
4659                 if (rtv) {
4660                         boost::shared_ptr<Track> tr;
4661                         boost::shared_ptr<Playlist> pl;
4662
4663                         if ((tr = rtv->track()) && ((pl = tr->playlist()))) {
4664
4665                                 Playlist::RegionList* regions = pl->regions_touched (
4666                                                 (nframes64_t) floor ( (double)where * tr->speed()), max_frames);
4667
4668                                 for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
4669
4670                                         RegionView* rv = rtv->view()->find_view (*i);
4671
4672                                         if (rv) {
4673                                                 rs.push_back (rv);
4674                                         }
4675                                 }
4676
4677                                 delete regions;
4678                         }
4679                 }
4680         }
4681 }
4682
4683 /** Find all regions which are either:
4684  *      - selected or
4685  *      - the entered_regionview (if allow_entered == true) or
4686  *      - under the preferred edit position AND on a selected track, or on a track
4687  *        which is in the same active edit-enable route group as a selected region (if allow_edit_position == true)
4688  *  @param rs Returned region list.
4689  *  @param allow_entered true to include the entered_regionview in the list.
4690  */
4691 void
4692 Editor::get_regions_for_action (RegionSelection& rs, bool allow_entered, bool allow_edit_position)
4693 {
4694         /* Start with selected regions */
4695         rs = selection->regions;
4696
4697         /* Add the entered_regionview, if requested */
4698         if (allow_entered && entered_regionview) {
4699                 rs.add (entered_regionview);
4700         }
4701
4702         if (allow_edit_position) {
4703
4704                 TrackViewList tracks = selection->tracks;
4705
4706                 /* tracks is currently the set of selected tracks; add any other tracks that
4707                  * have regions that are in the same edit-activated route group as one of
4708                  * our regions */
4709                 for (RegionSelection::iterator i = rs.begin (); i != rs.end(); ++i) {
4710
4711                         RouteGroup* g = (*i)->get_time_axis_view().route_group ();
4712                         if (g && g->is_active() && g->is_edit()) {
4713                                 tracks.add (axis_views_from_routes (g->route_list()));
4714                         }
4715
4716                 }
4717
4718                 if (!tracks.empty()) {
4719                         /* now find regions that are at the edit position on those tracks */
4720                         nframes64_t const where = get_preferred_edit_position ();
4721                         get_regions_at (rs, where, tracks);
4722                 }
4723         }
4724 }
4725
4726 void
4727 Editor::get_regions_corresponding_to (boost::shared_ptr<Region> region, vector<RegionView*>& regions)
4728 {
4729         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
4730
4731                 RouteTimeAxisView* tatv;
4732
4733                 if ((tatv = dynamic_cast<RouteTimeAxisView*> (*i)) != 0) {
4734
4735                         boost::shared_ptr<Playlist> pl;
4736                         vector<boost::shared_ptr<Region> > results;
4737                         RegionView* marv;
4738                         boost::shared_ptr<Track> tr;
4739
4740                         if ((tr = tatv->track()) == 0) {
4741                                 /* bus */
4742                                 continue;
4743                         }
4744
4745                         if ((pl = (tr->playlist())) != 0) {
4746                                 pl->get_region_list_equivalent_regions (region, results);
4747                         }
4748
4749                         for (vector<boost::shared_ptr<Region> >::iterator ir = results.begin(); ir != results.end(); ++ir) {
4750                                 if ((marv = tatv->view()->find_view (*ir)) != 0) {
4751                                         regions.push_back (marv);
4752                                 }
4753                         }
4754
4755                 }
4756         }
4757 }
4758
4759 void
4760 Editor::show_rhythm_ferret ()
4761 {
4762         if (rhythm_ferret == 0) {
4763                 rhythm_ferret = new RhythmFerret(*this);
4764         }
4765
4766         rhythm_ferret->set_session (_session);
4767         rhythm_ferret->show ();
4768         rhythm_ferret->present ();
4769 }
4770
4771 void
4772 Editor::show_global_port_matrix (ARDOUR::DataType t)
4773 {
4774         if (_global_port_matrix[t] == 0) {
4775                 _global_port_matrix[t] = new GlobalPortMatrixWindow (_session, t);
4776         }
4777
4778         _global_port_matrix[t]->show ();
4779 }
4780
4781 void
4782 Editor::first_idle ()
4783 {
4784         MessageDialog* dialog = 0;
4785
4786         if (track_views.size() > 1) {
4787                 dialog = new MessageDialog (*this,
4788                                             string_compose (_("Please wait while %1 loads visual data"), PROGRAM_NAME),
4789                                             true,
4790                                             Gtk::MESSAGE_INFO,
4791                                             Gtk::BUTTONS_NONE);
4792                 dialog->present ();
4793                 ARDOUR_UI::instance()->flush_pending ();
4794         }
4795
4796         for (TrackViewList::iterator t = track_views.begin(); t != track_views.end(); ++t) {
4797                 (*t)->first_idle();
4798         }
4799
4800         // first idle adds route children (automation tracks), so we need to redisplay here
4801         _routes->redisplay ();
4802
4803         delete dialog;
4804
4805         _have_idled = true;
4806 }
4807
4808 gboolean
4809 Editor::_idle_resize (gpointer arg)
4810 {
4811         return ((Editor*)arg)->idle_resize ();
4812 }
4813
4814 void
4815 Editor::add_to_idle_resize (TimeAxisView* view, int32_t h)
4816 {
4817         if (resize_idle_id < 0) {
4818                 resize_idle_id = g_idle_add (_idle_resize, this);
4819                 _pending_resize_amount = 0;
4820         }
4821
4822         /* make a note of the smallest resulting height, so that we can clamp the
4823            lower limit at TimeAxisView::hSmall */
4824
4825         int32_t min_resulting = INT32_MAX;
4826
4827         _pending_resize_amount += h;
4828         _pending_resize_view = view;
4829
4830         min_resulting = min (min_resulting, int32_t (_pending_resize_view->current_height()) + _pending_resize_amount);
4831
4832         if (selection->tracks.contains (_pending_resize_view)) {
4833                 for (TrackViewList::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
4834                         min_resulting = min (min_resulting, int32_t ((*i)->current_height()) + _pending_resize_amount);
4835                 }
4836         }
4837
4838         if (min_resulting < 0) {
4839                 min_resulting = 0;
4840         }
4841
4842         /* clamp */
4843         if (uint32_t (min_resulting) < TimeAxisView::preset_height (HeightSmall)) {
4844                 _pending_resize_amount += TimeAxisView::preset_height (HeightSmall) - min_resulting;
4845         }
4846 }
4847
4848 /** Handle pending resizing of tracks */
4849 bool
4850 Editor::idle_resize ()
4851 {
4852         _pending_resize_view->idle_resize (_pending_resize_view->current_height() + _pending_resize_amount);
4853
4854         if (dynamic_cast<AutomationTimeAxisView*> (_pending_resize_view) == 0 &&
4855             selection->tracks.contains (_pending_resize_view)) {
4856
4857                 for (TrackViewList::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
4858                         if (*i != _pending_resize_view) {
4859                                 (*i)->idle_resize ((*i)->current_height() + _pending_resize_amount);
4860                         }
4861                 }
4862         }
4863
4864         _pending_resize_amount = 0;
4865         flush_canvas ();
4866         _group_tabs->set_dirty ();
4867         resize_idle_id = -1;
4868
4869         return false;
4870 }
4871
4872 void
4873 Editor::located ()
4874 {
4875         ENSURE_GUI_THREAD (*this, &Editor::located);
4876
4877         playhead_cursor->set_position (_session->audible_frame ());
4878         if (_follow_playhead && !_pending_initial_locate) {
4879                 reset_x_origin_to_follow_playhead ();
4880         }
4881
4882         _pending_locate_request = false;
4883         _pending_initial_locate = false;
4884 }
4885
4886 void
4887 Editor::region_view_added (RegionView *)
4888 {
4889         _summary->set_dirty ();
4890 }
4891
4892 void
4893 Editor::streamview_height_changed ()
4894 {
4895         _summary->set_dirty ();
4896 }
4897
4898 TimeAxisView*
4899 Editor::axis_view_from_route (boost::shared_ptr<Route> r) const
4900 {
4901         TrackViewList::const_iterator j = track_views.begin ();
4902         while (j != track_views.end()) {
4903                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (*j);
4904                 if (rtv && rtv->route() == r) {
4905                         return rtv;
4906                 }
4907                 ++j;
4908         }
4909
4910         return 0;
4911 }
4912
4913
4914 TrackViewList
4915 Editor::axis_views_from_routes (boost::shared_ptr<RouteList> r) const
4916 {
4917         TrackViewList t;
4918
4919         for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
4920                 TimeAxisView* tv = axis_view_from_route (*i);
4921                 if (tv) {
4922                         t.push_back (tv);
4923                 }
4924         }
4925
4926         return t;
4927 }
4928
4929
4930 void
4931 Editor::handle_new_route (RouteList& routes)
4932 {
4933         ENSURE_GUI_THREAD (*this, &Editor::handle_new_route, routes)
4934
4935         RouteTimeAxisView *rtv;
4936         list<RouteTimeAxisView*> new_views;
4937
4938         for (RouteList::iterator x = routes.begin(); x != routes.end(); ++x) {
4939                 boost::shared_ptr<Route> route = (*x);
4940
4941                 if (route->is_hidden() || route->is_monitor()) {
4942                         continue;
4943                 }
4944
4945                 DataType dt = route->input()->default_type();
4946
4947                 if (dt == ARDOUR::DataType::AUDIO) {
4948                         rtv = new AudioTimeAxisView (*this, _session, route, *track_canvas);
4949                 } else if (dt == ARDOUR::DataType::MIDI) {
4950                         rtv = new MidiTimeAxisView (*this, _session, route, *track_canvas);
4951                 } else {
4952                         throw unknown_type();
4953                 }
4954
4955                 new_views.push_back (rtv);
4956                 track_views.push_back (rtv);
4957
4958                 rtv->effective_gain_display ();
4959
4960                 rtv->view()->RegionViewAdded.connect (sigc::mem_fun (*this, &Editor::region_view_added));
4961                 rtv->view()->HeightChanged.connect (sigc::mem_fun (*this, &Editor::streamview_height_changed));
4962         }
4963
4964         _routes->routes_added (new_views);
4965
4966         if (show_editor_mixer_when_tracks_arrive) {
4967                 show_editor_mixer (true);
4968         }
4969
4970         editor_list_button.set_sensitive (true);
4971
4972         _summary->set_dirty ();
4973 }
4974
4975 void
4976 Editor::timeaxisview_deleted (TimeAxisView *tv)
4977 {
4978         if (_session && _session->deletion_in_progress()) {
4979                 /* the situation is under control */
4980                 return;
4981         }
4982
4983         ENSURE_GUI_THREAD (*this, &Editor::timeaxisview_deleted, tv);
4984
4985
4986         _routes->route_removed (tv);
4987
4988         if (tv == entered_track) {
4989                 entered_track = 0;
4990         }
4991
4992         /* remove it from the list of track views */
4993
4994         TrackViewList::iterator i;
4995
4996         if ((i = find (track_views.begin(), track_views.end(), tv)) != track_views.end()) {
4997                 i = track_views.erase (i);
4998         }
4999
5000         /* update whatever the current mixer strip is displaying, if revelant */
5001
5002         boost::shared_ptr<Route> route;
5003         RouteTimeAxisView* rtav = dynamic_cast<RouteTimeAxisView*> (tv);
5004
5005         if (rtav) {
5006                 route = rtav->route ();
5007         }
5008
5009         if (current_mixer_strip && current_mixer_strip->route() == route) {
5010
5011                 TimeAxisView* next_tv;
5012
5013                 if (track_views.empty()) {
5014                         next_tv = 0;
5015                 } else if (i == track_views.end()) {
5016                         next_tv = track_views.front();
5017                 } else {
5018                         next_tv = (*i);
5019                 }
5020
5021
5022                 if (next_tv) {
5023                         set_selected_mixer_strip (*next_tv);
5024                 } else {
5025                         /* make the editor mixer strip go away setting the
5026                          * button to inactive (which also unticks the menu option)
5027                          */
5028
5029                         ActionManager::uncheck_toggleaction ("<Actions>/Editor/show-editor-mixer");
5030                 }
5031         }
5032 }
5033
5034 void
5035 Editor::hide_track_in_display (TimeAxisView* tv, bool /*temponly*/)
5036 {
5037         RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (tv);
5038
5039         if (rtv && current_mixer_strip && (rtv->route() == current_mixer_strip->route())) {
5040                 // this will hide the mixer strip
5041                 set_selected_mixer_strip (*tv);
5042         }
5043
5044         _routes->hide_track_in_display (*tv);
5045 }
5046
5047 bool
5048 Editor::sync_track_view_list_and_routes ()
5049 {
5050         track_views = TrackViewList (_routes->views ());
5051
5052         _summary->set_dirty ();
5053         _group_tabs->set_dirty ();
5054
5055         return false; // do not call again (until needed)
5056 }
5057
5058 void
5059 Editor::foreach_time_axis_view (sigc::slot<void,TimeAxisView&> theslot)
5060 {
5061         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5062                 theslot (**i);
5063         }
5064 }
5065
5066 RouteTimeAxisView*
5067 Editor::get_route_view_by_id (PBD::ID& id)
5068 {
5069         RouteTimeAxisView* v;
5070
5071         for(TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5072                 if((v = dynamic_cast<RouteTimeAxisView*>(*i)) != 0) {
5073                         if(v->route()->id() == id) {
5074                                 return v;
5075                         }
5076                 }
5077         }
5078
5079         return 0;
5080 }
5081
5082 void
5083 Editor::fit_route_group (RouteGroup *g)
5084 {
5085         TrackViewList ts = axis_views_from_routes (g->route_list ());
5086         fit_tracks (ts);
5087 }
5088
5089 void
5090 Editor::consider_auditioning (boost::shared_ptr<Region> region)
5091 {
5092         boost::shared_ptr<AudioRegion> r = boost::dynamic_pointer_cast<AudioRegion> (region);
5093
5094         if (r == 0) {
5095                 _session->cancel_audition ();
5096                 return;
5097         }
5098
5099         if (_session->is_auditioning()) {
5100                 _session->cancel_audition ();
5101                 if (r == last_audition_region) {
5102                         return;
5103                 }
5104         }
5105
5106         _session->audition_region (r);
5107         last_audition_region = r;
5108 }
5109
5110
5111 void
5112 Editor::hide_a_region (boost::shared_ptr<Region> r)
5113 {
5114         r->set_hidden (true);
5115 }
5116
5117 void
5118 Editor::show_a_region (boost::shared_ptr<Region> r)
5119 {
5120         r->set_hidden (false);
5121 }
5122
5123 void
5124 Editor::audition_region_from_region_list ()
5125 {
5126         _regions->selection_mapover (sigc::mem_fun (*this, &Editor::consider_auditioning));
5127 }
5128
5129 void
5130 Editor::hide_region_from_region_list ()
5131 {
5132         _regions->selection_mapover (sigc::mem_fun (*this, &Editor::hide_a_region));
5133 }
5134
5135 void
5136 Editor::show_region_in_region_list ()
5137 {
5138         _regions->selection_mapover (sigc::mem_fun (*this, &Editor::show_a_region));
5139 }
5140
5141 void
5142 Editor::start_step_editing ()
5143 {
5144         step_edit_connection = Glib::signal_timeout().connect (sigc::mem_fun (*this, &Editor::check_step_edit), 20);
5145 }
5146
5147 void
5148 Editor::stop_step_editing ()
5149 {
5150         step_edit_connection.disconnect ();
5151 }
5152
5153 bool
5154 Editor::check_step_edit ()
5155 {
5156         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5157                 MidiTimeAxisView* mtv = dynamic_cast<MidiTimeAxisView*> (*i);
5158                 if (mtv) {
5159                         mtv->check_step_edit ();
5160                 }
5161         }
5162
5163         return true; // do it again, till we stop
5164 }
5165
5166 bool
5167 Editor::horizontal_scroll_left_press ()
5168 {
5169         ++_scroll_callbacks;
5170
5171         if (_scroll_connection.connected() && _scroll_callbacks < 5) {
5172                 /* delay the first auto-repeat */
5173                 return true;
5174         }
5175
5176         double x = leftmost_position() - current_page_frames() / 5;
5177         if (x < 0) {
5178                 x = 0;
5179         }
5180
5181         reset_x_origin (x);
5182
5183         /* do hacky auto-repeat */
5184         if (!_scroll_connection.connected ()) {
5185                 _scroll_connection = Glib::signal_timeout().connect (sigc::mem_fun (*this, &Editor::horizontal_scroll_left_press), 100);
5186                 _scroll_callbacks = 0;
5187         }
5188
5189         return true;
5190 }
5191
5192 void
5193 Editor::horizontal_scroll_left_release ()
5194 {
5195         _scroll_connection.disconnect ();
5196 }
5197
5198 bool
5199 Editor::horizontal_scroll_right_press ()
5200 {
5201         ++_scroll_callbacks;
5202
5203         if (_scroll_connection.connected() && _scroll_callbacks < 5) {
5204                 /* delay the first auto-repeat */
5205                 return true;
5206         }
5207
5208         reset_x_origin (leftmost_position() + current_page_frames() / 5);
5209
5210         /* do hacky auto-repeat */
5211         if (!_scroll_connection.connected ()) {
5212                 _scroll_connection = Glib::signal_timeout().connect (sigc::mem_fun (*this, &Editor::horizontal_scroll_right_press), 100);
5213                 _scroll_callbacks = 0;
5214         }
5215
5216         return true;
5217 }
5218
5219 void
5220 Editor::horizontal_scroll_right_release ()
5221 {
5222         _scroll_connection.disconnect ();
5223 }
5224
5225 /** Queue a change for the Editor viewport x origin to follow the playhead */
5226 void
5227 Editor::reset_x_origin_to_follow_playhead ()
5228 {
5229         nframes64_t const frame = playhead_cursor->current_frame;
5230
5231         if (frame < leftmost_frame || frame > leftmost_frame + current_page_frames()) {
5232
5233                 if (_session->transport_speed() < 0) {
5234
5235                         if (frame > (current_page_frames() / 2)) {
5236                                 center_screen (frame-(current_page_frames()/2));
5237                         } else {
5238                                 center_screen (current_page_frames()/2);
5239                         }
5240
5241                 } else {
5242
5243                         if (frame < leftmost_frame) {
5244                                 /* moving left */
5245                                 nframes64_t l = 0;
5246                                 if (_session->transport_rolling()) {
5247                                         /* rolling; end up with the playhead at the right of the page */
5248                                         l = frame - current_page_frames ();
5249                                 } else {
5250                                         /* not rolling: end up with the playhead 3/4 of the way along the page */
5251                                         l = frame - (3 * current_page_frames() / 4);
5252                                 }
5253
5254                                 if (l < 0) {
5255                                         l = 0;
5256                                 }
5257
5258                                 center_screen_internal (l + (current_page_frames() / 2), current_page_frames ());
5259                         } else {
5260                                 /* moving right */
5261                                 if (_session->transport_rolling()) {
5262                                         /* rolling: end up with the playhead on the left of the page */
5263                                         center_screen_internal (frame + (current_page_frames() / 2), current_page_frames ());
5264                                 } else {
5265                                         /* not rolling: end up with the playhead 1/4 of the way along the page */
5266                                         center_screen_internal (frame + (current_page_frames() / 4), current_page_frames ());
5267                                 }
5268                         }
5269                 }
5270         }
5271 }
5272
5273 void
5274 Editor::super_rapid_screen_update ()
5275 {
5276         if (!_session || !_session->engine().running()) {
5277                 return;
5278         }
5279
5280         /* METERING / MIXER STRIPS */
5281
5282         /* update track meters, if required */
5283         if (is_mapped() && meters_running) {
5284                 RouteTimeAxisView* rtv;
5285                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5286                         if ((rtv = dynamic_cast<RouteTimeAxisView*>(*i)) != 0) {
5287                                 rtv->fast_update ();
5288                         }
5289                 }
5290         }
5291
5292         /* and any current mixer strip */
5293         if (current_mixer_strip) {
5294                 current_mixer_strip->fast_update ();
5295         }
5296
5297         /* PLAYHEAD AND VIEWPORT */
5298
5299         nframes64_t const frame = _session->audible_frame();
5300
5301         /* There are a few reasons why we might not update the playhead / viewport stuff:
5302          *
5303          * 1.  we don't update things when there's a pending locate request, otherwise
5304          *     when the editor requests a locate there is a chance that this method
5305          *     will move the playhead before the locate request is processed, causing
5306          *     a visual glitch.
5307          * 2.  if we're not rolling, there's nothing to do here (locates are handled elsewhere).
5308          * 3.  if we're still at the same frame that we were last time, there's nothing to do.
5309          */
5310
5311         if (!_pending_locate_request && _session->transport_speed() != 0 && frame != last_update_frame) {
5312
5313                 last_update_frame = frame;
5314
5315                 if (!_dragging_playhead) {
5316                         playhead_cursor->set_position (frame);
5317                 }
5318
5319                 if (!_stationary_playhead) {
5320
5321                         if (!_dragging_playhead && _follow_playhead && _session->requested_return_frame() < 0) {
5322                                 reset_x_origin_to_follow_playhead ();
5323                         }
5324
5325                 } else {
5326
5327                         /* don't do continuous scroll till the new position is in the rightmost quarter of the
5328                            editor canvas
5329                         */
5330 #if 0
5331                         // FIXME DO SOMETHING THAT WORKS HERE - this is 2.X code
5332                         double target = ((double)frame - (double)current_page_frames()/2.0) / frames_per_unit;
5333                         if (target <= 0.0) {
5334                                 target = 0.0;
5335                         }
5336                         if (fabs(target - current) < current_page_frames() / frames_per_unit) {
5337                                 target = (target * 0.15) + (current * 0.85);
5338                         } else {
5339                                 /* relax */
5340                         }
5341
5342                         current = target;
5343                         set_horizontal_position (current);
5344 #endif
5345                 }
5346
5347         }
5348 }
5349
5350
5351 void
5352 Editor::session_going_away ()
5353 {
5354         _have_idled = false;
5355
5356         _session_connections.drop_connections ();
5357
5358         super_rapid_screen_update_connection.disconnect ();
5359
5360         selection->clear ();
5361         cut_buffer->clear ();
5362
5363         clicked_regionview = 0;
5364         clicked_axisview = 0;
5365         clicked_routeview = 0;
5366         clicked_crossfadeview = 0;
5367         entered_regionview = 0;
5368         entered_track = 0;
5369         last_update_frame = 0;
5370         _drags->abort ();
5371
5372         playhead_cursor->canvas_item.hide ();
5373
5374         /* rip everything out of the list displays */
5375
5376         _regions->clear ();
5377         _routes->clear ();
5378         _route_groups->clear ();
5379
5380         /* do this first so that deleting a track doesn't reset cms to null
5381            and thus cause a leak.
5382         */
5383
5384         if (current_mixer_strip) {
5385                 if (current_mixer_strip->get_parent() != 0) {
5386                         global_hpacker.remove (*current_mixer_strip);
5387                 }
5388                 delete current_mixer_strip;
5389                 current_mixer_strip = 0;
5390         }
5391
5392         /* delete all trackviews */
5393
5394         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5395                 delete *i;
5396         }
5397         track_views.clear ();
5398
5399         zoom_range_clock.set_session (0);
5400         nudge_clock.set_session (0);
5401
5402         editor_list_button.set_active(false);
5403         editor_list_button.set_sensitive(false);
5404
5405         /* clear tempo/meter rulers */
5406         remove_metric_marks ();
5407         hide_measures ();
5408         clear_marker_display ();
5409
5410         delete current_bbt_points;
5411         current_bbt_points = 0;
5412
5413         /* get rid of any existing editor mixer strip */
5414
5415         WindowTitle title(Glib::get_application_name());
5416         title += _("Editor");
5417
5418         set_title (title.get_string());
5419
5420         SessionHandlePtr::session_going_away ();
5421 }
5422
5423
5424 void
5425 Editor::show_editor_list (bool yn)
5426 {
5427         if (yn) {
5428                 the_notebook.show();
5429         } else {
5430                 the_notebook.hide();
5431         }
5432 }