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/16"),
 149         N_("Beats/8"),
 150         N_("Beats/4"),
 151         N_("Beats/3"),
 152         N_("Beats"),
 153         N_("Bars"),
 154         N_("Marks"),
 155         N_("Region starts"),
 156         N_("Region ends"),
 157         N_("Region syncs"),
 158         N_("Region bounds"),
 159         0
 160 };
 161
 162 static const gchar *_snap_mode_strings[] = {
 163         N_("No Grid"),
 164         N_("Grid"),
 165         N_("Magnetic"),
 166         0
 167 };
 168
 169 static const gchar *_edit_point_strings[] = {
 170         N_("Playhead"),
 171         N_("Marker"),
 172         N_("Mouse"),
 173         0
 174 };
 175
 176 static const gchar *_zoom_focus_strings[] = {
 177         N_("Left"),
 178         N_("Right"),
 179         N_("Center"),
 180         N_("Playhead"),
 181         N_("Mouse"),
 182         N_("Edit point"),
 183         0
 184 };
 185
 186 #ifdef USE_RUBBERBAND
 187 static const gchar *_rb_opt_strings[] = {
 188         N_("Mushy"),
 189         N_("Smooth"),
 190         N_("Balanced multitimbral mixture"),
 191         N_("Unpitched percussion with stable notes"),
 192         N_("Crisp monophonic instrumental"),
 193         N_("Unpitched solo percussion"),
 194         0
 195 };
 196 #endif
 197
 198 /* Soundfile  drag-n-drop */
 199
 200 Gdk::Cursor* Editor::cross_hair_cursor = 0;
 201 Gdk::Cursor* Editor::selector_cursor = 0;
 202 Gdk::Cursor* Editor::trimmer_cursor = 0;
 203 Gdk::Cursor* Editor::grabber_cursor = 0;
 204 Gdk::Cursor* Editor::grabber_edit_point_cursor = 0;
 205 Gdk::Cursor* Editor::zoom_cursor = 0;
 206 Gdk::Cursor* Editor::time_fx_cursor = 0;
 207 Gdk::Cursor* Editor::fader_cursor = 0;
 208 Gdk::Cursor* Editor::speaker_cursor = 0;
 209 Gdk::Cursor* Editor::midi_pencil_cursor = 0;
 210 Gdk::Cursor* Editor::midi_select_cursor = 0;
 211 Gdk::Cursor* Editor::midi_resize_cursor = 0;
 212 Gdk::Cursor* Editor::midi_erase_cursor = 0;
 213 Gdk::Cursor* Editor::wait_cursor = 0;
 214 Gdk::Cursor* Editor::timebar_cursor = 0;
 215 Gdk::Cursor* Editor::transparent_cursor = 0;
 216
 217 void
 218 show_me_the_size (Requisition* r, const char* what)
 219 {
 220         cerr << "size of " << what << " = " << r->width << " x " << r->height << endl;
 221 }
 222
 223 #ifdef GTKOSX
 224 static void
 225 pane_size_watcher (Paned* pane)
 226 {
 227        /* if the handle of a pane vanishes into (at least) the tabs of a notebook,
 228           it is no longer accessible. so stop that. this doesn't happen on X11,
 229           just the quartz backend.
 230
 231           ugh.
 232        */
 233
 234        int max_width_of_lhs = GTK_WIDGET(pane->gobj())->allocation.width - 25;
 235
 236        gint pos = pane->get_position ();
 237
 238        if (pos > max_width_of_lhs) {
 239                pane->set_position (max_width_of_lhs);
 240        }
 241 }
 242 #endif
 243
 244 Editor::Editor ()
 245         : _join_object_range_state (JOIN_OBJECT_RANGE_NONE)
 246
 247           /* time display buttons */
 248         , minsec_label (_("Mins:Secs"))
 249         , bbt_label (_("Bars:Beats"))
 250         , timecode_label (_("Timecode"))
 251         , frame_label (_("Samples"))
 252         , tempo_label (_("Tempo"))
 253         , meter_label (_("Meter"))
 254         , mark_label (_("Location Markers"))
 255         , range_mark_label (_("Range Markers"))
 256         , transport_mark_label (_("Loop/Punch Ranges"))
 257         , cd_mark_label (_("CD Markers"))
 258         , edit_packer (4, 4, true)
 259
 260           /* the values here don't matter: layout widgets
 261              reset them as needed.
 262           */
 263
 264         , vertical_adjustment (0.0, 0.0, 10.0, 400.0)
 265         , horizontal_adjustment (0.0, 0.0, 20.0, 1200.0)
 266
 267           /* tool bar related */
 268
 269         , zoom_range_clock (X_("zoomrange"), false, X_("ZoomRangeClock"), true, false, true)
 270
 271         , toolbar_selection_clock_table (2,3)
 272
 273         , automation_mode_button (_("mode"))
 274         , global_automation_button (_("automation"))
 275
 276         , midi_panic_button (_("Panic"))
 277
 278 #ifdef WITH_CMT
 279         , image_socket_listener(0)
 280 #endif
 281
 282           /* nudge */
 283
 284         , nudge_clock (X_("nudge"), false, X_("NudgeClock"), true, false, true)
 285         , meters_running(false)
 286         , _pending_locate_request (false)
 287         , _pending_initial_locate (false)
 288
 289 {
 290         constructed = false;
 291
 292         /* we are a singleton */
 293
 294         PublicEditor::_instance = this;
 295
 296         _have_idled = false;
 297
 298         selection = new Selection (this);
 299         cut_buffer = new Selection (this);
 300
 301         clicked_regionview = 0;
 302         clicked_axisview = 0;
 303         clicked_routeview = 0;
 304         clicked_crossfadeview = 0;
 305         clicked_control_point = 0;
 306         last_update_frame = 0;
 307         _drags = new DragManager (this);
 308         current_mixer_strip = 0;
 309         current_bbt_points = 0;
 310         tempo_lines = 0;
 311
 312         snap_type_strings =  I18N (_snap_type_strings);
 313         snap_mode_strings =  I18N (_snap_mode_strings);
 314         zoom_focus_strings = I18N (_zoom_focus_strings);
 315         edit_point_strings = I18N (_edit_point_strings);
 316 #ifdef USE_RUBBERBAND
 317         rb_opt_strings = I18N (_rb_opt_strings);
 318 #endif
 319
 320         snap_threshold = 5.0;
 321         bbt_beat_subdivision = 4;
 322         _canvas_width = 0;
 323         _canvas_height = 0;
 324         last_autoscroll_x = 0;
 325         last_autoscroll_y = 0;
 326         autoscroll_active = false;
 327         autoscroll_timeout_tag = -1;
 328         logo_item = 0;
 329
 330         analysis_window = 0;
 331
 332         current_interthread_info = 0;
 333         _show_measures = true;
 334         show_gain_after_trim = false;
 335         verbose_cursor_on = true;
 336         last_item_entered = 0;
 337         last_item_entered_n = 0;
 338
 339         have_pending_keyboard_selection = false;
 340         _follow_playhead = true;
 341         _stationary_playhead = false;
 342         _xfade_visibility = true;
 343         editor_ruler_menu = 0;
 344         no_ruler_shown_update = false;
 345         marker_menu = 0;
 346         session_range_marker_menu = 0;
 347         range_marker_menu = 0;
 348         marker_menu_item = 0;
 349         tm_marker_menu = 0;
 350         transport_marker_menu = 0;
 351         new_transport_marker_menu = 0;
 352         editor_mixer_strip_width = Wide;
 353         show_editor_mixer_when_tracks_arrive = false;
 354         region_edit_menu_split_multichannel_item = 0;
 355         region_edit_menu_split_item = 0;
 356         temp_location = 0;
 357         leftmost_frame = 0;
 358         current_stepping_trackview = 0;
 359         entered_track = 0;
 360         entered_regionview = 0;
 361         entered_marker = 0;
 362         clear_entered_track = false;
 363         current_timefx = 0;
 364         playhead_cursor = 0;
 365         button_release_can_deselect = true;
 366         _dragging_playhead = false;
 367         _dragging_edit_point = false;
 368         select_new_marker = false;
 369         rhythm_ferret = 0;
 370         _bundle_manager = 0;
 371         for (ARDOUR::DataType::iterator i = ARDOUR::DataType::begin(); i != ARDOUR::DataType::end(); ++i) {
 372                 _global_port_matrix[*i] = 0;
 373         }
 374         allow_vertical_scroll = false;
 375         no_save_visual = false;
 376         resize_idle_id = -1;
 377
 378         scrubbing_direction = 0;
 379
 380         sfbrowser = 0;
 381
 382         location_marker_color = ARDOUR_UI::config()->canvasvar_LocationMarker.get();
 383         location_range_color = ARDOUR_UI::config()->canvasvar_LocationRange.get();
 384         location_cd_marker_color = ARDOUR_UI::config()->canvasvar_LocationCDMarker.get();
 385         location_loop_color = ARDOUR_UI::config()->canvasvar_LocationLoop.get();
 386         location_punch_color = ARDOUR_UI::config()->canvasvar_LocationPunch.get();
 387
 388         _edit_point = EditAtMouse;
 389         _internal_editing = false;
 390         current_canvas_cursor = 0;
 391
 392         frames_per_unit = 2048; /* too early to use reset_zoom () */
 393
 394         zoom_focus = ZoomFocusLeft;
 395         set_zoom_focus (ZoomFocusLeft);
 396         zoom_range_clock.ValueChanged.connect (sigc::mem_fun(*this, &Editor::zoom_adjustment_changed));
 397
 398         bbt_label.set_name ("EditorTimeButton");
 399         bbt_label.set_size_request (-1, (int)timebar_height);
 400         bbt_label.set_alignment (1.0, 0.5);
 401         bbt_label.set_padding (5,0);
 402         bbt_label.hide ();
 403         bbt_label.set_no_show_all();
 404         minsec_label.set_name ("EditorTimeButton");
 405         minsec_label.set_size_request (-1, (int)timebar_height);
 406         minsec_label.set_alignment (1.0, 0.5);
 407         minsec_label.set_padding (5,0);
 408         minsec_label.hide ();
 409         minsec_label.set_no_show_all();
 410         timecode_label.set_name ("EditorTimeButton");
 411         timecode_label.set_size_request (-1, (int)timebar_height);
 412         timecode_label.set_alignment (1.0, 0.5);
 413         timecode_label.set_padding (5,0);
 414         timecode_label.hide ();
 415         timecode_label.set_no_show_all();
 416         frame_label.set_name ("EditorTimeButton");
 417         frame_label.set_size_request (-1, (int)timebar_height);
 418         frame_label.set_alignment (1.0, 0.5);
 419         frame_label.set_padding (5,0);
 420         frame_label.hide ();
 421         frame_label.set_no_show_all();
 422
 423         tempo_label.set_name ("EditorTimeButton");
 424         tempo_label.set_size_request (-1, (int)timebar_height);
 425         tempo_label.set_alignment (1.0, 0.5);
 426         tempo_label.set_padding (5,0);
 427         tempo_label.hide();
 428         tempo_label.set_no_show_all();
 429         meter_label.set_name ("EditorTimeButton");
 430         meter_label.set_size_request (-1, (int)timebar_height);
 431         meter_label.set_alignment (1.0, 0.5);
 432         meter_label.set_padding (5,0);
 433         meter_label.hide();
 434         meter_label.set_no_show_all();
 435         mark_label.set_name ("EditorTimeButton");
 436         mark_label.set_size_request (-1, (int)timebar_height);
 437         mark_label.set_alignment (1.0, 0.5);
 438         mark_label.set_padding (5,0);
 439         mark_label.hide();
 440         mark_label.set_no_show_all();
 441         cd_mark_label.set_name ("EditorTimeButton");
 442         cd_mark_label.set_size_request (-1, (int)timebar_height);
 443         cd_mark_label.set_alignment (1.0, 0.5);
 444         cd_mark_label.set_padding (5,0);
 445         cd_mark_label.hide();
 446         cd_mark_label.set_no_show_all();
 447         range_mark_label.set_name ("EditorTimeButton");
 448         range_mark_label.set_size_request (-1, (int)timebar_height);
 449         range_mark_label.set_alignment (1.0, 0.5);
 450         range_mark_label.set_padding (5,0);
 451         range_mark_label.hide();
 452         range_mark_label.set_no_show_all();
 453         transport_mark_label.set_name ("EditorTimeButton");
 454         transport_mark_label.set_size_request (-1, (int)timebar_height);
 455         transport_mark_label.set_alignment (1.0, 0.5);
 456         transport_mark_label.set_padding (5,0);
 457         transport_mark_label.hide();
 458         transport_mark_label.set_no_show_all();
 459
 460         initialize_rulers ();
 461         initialize_canvas ();
 462         _summary = new EditorSummary (this);
 463
 464         selection->TimeChanged.connect (sigc::mem_fun(*this, &Editor::time_selection_changed));
 465         selection->TracksChanged.connect (sigc::mem_fun(*this, &Editor::track_selection_changed));
 466         editor_regions_selection_changed_connection = selection->RegionsChanged.connect (sigc::mem_fun(*this, &Editor::region_selection_changed));
 467         selection->PointsChanged.connect (sigc::mem_fun(*this, &Editor::point_selection_changed));
 468         selection->MarkersChanged.connect (sigc::mem_fun(*this, &Editor::marker_selection_changed));
 469
 470         edit_controls_vbox.set_spacing (0);
 471         horizontal_adjustment.signal_value_changed().connect (sigc::mem_fun(*this, &Editor::scroll_canvas_horizontally), false);
 472         vertical_adjustment.signal_value_changed().connect (sigc::mem_fun(*this, &Editor::tie_vertical_scrolling), true);
 473         track_canvas->signal_map_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_map_handler));
 474
 475         HBox* h = manage (new HBox);
 476         _group_tabs = new EditorGroupTabs (this);
 477         h->pack_start (*_group_tabs, PACK_SHRINK);
 478         h->pack_start (edit_controls_vbox);
 479         controls_layout.add (*h);
 480
 481         controls_layout.set_name ("EditControlsBase");
 482         controls_layout.add_events (Gdk::SCROLL_MASK);
 483         controls_layout.signal_scroll_event().connect (sigc::mem_fun(*this, &Editor::control_layout_scroll), false);
 484
 485         controls_layout.add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK);
 486         controls_layout.signal_button_release_event().connect (sigc::mem_fun(*this, &Editor::edit_controls_button_release));
 487         controls_layout_size_request_connection = controls_layout.signal_size_request().connect (sigc::mem_fun (*this, &Editor::controls_layout_size_request));
 488
 489         build_cursors ();
 490
 491         ArdourCanvas::Canvas* time_pad = manage(new ArdourCanvas::Canvas());
 492         ArdourCanvas::SimpleLine* pad_line_1 = manage(new ArdourCanvas::SimpleLine(*time_pad->root(),
 493                         0.0, 1.0, 100.0, 1.0));
 494         pad_line_1->property_color_rgba() = 0xFF0000FF;
 495         pad_line_1->show();
 496         time_pad->show();
 497
 498         time_canvas_vbox.set_size_request (-1, (int)(timebar_height * visible_timebars) + 2);
 499         time_canvas_vbox.set_size_request (-1, -1);
 500
 501         ruler_label_event_box.add (ruler_label_vbox);
 502         ruler_label_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 503         ruler_label_event_box.signal_button_release_event().connect (sigc::mem_fun(*this, &Editor::ruler_label_button_release));
 504
 505         time_button_event_box.add (time_button_vbox);
 506         time_button_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 507         time_button_event_box.signal_button_release_event().connect (sigc::mem_fun(*this, &Editor::ruler_label_button_release));
 508
 509         /* these enable us to have a dedicated window (for cursor setting, etc.)
 510            for the canvas areas.
 511         */
 512
 513         track_canvas_event_box.add (*track_canvas);
 514
 515         time_canvas_event_box.add (time_canvas_vbox);
 516         time_canvas_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::POINTER_MOTION_MASK);
 517
 518         edit_packer.set_col_spacings (0);
 519         edit_packer.set_row_spacings (0);
 520         edit_packer.set_homogeneous (false);
 521         edit_packer.set_border_width (0);
 522         edit_packer.set_name ("EditorWindow");
 523
 524         edit_packer.attach (zoom_vbox,               0, 1, 0, 2,    SHRINK,        FILL, 0, 0);
 525         /* labels for the rulers */
 526         edit_packer.attach (ruler_label_event_box,   1, 2, 0, 1,    FILL,        SHRINK, 0, 0);
 527         /* labels for the marker "tracks" */
 528         edit_packer.attach (time_button_event_box,   1, 2, 1, 2,    FILL,        SHRINK, 0, 0);
 529         /* the rulers */
 530         edit_packer.attach (time_canvas_event_box,   2, 3, 0, 1,    FILL|EXPAND, FILL, 0, 0);
 531         /* track controls */
 532         edit_packer.attach (controls_layout,         0, 2, 2, 3,    FILL,        FILL|EXPAND, 0, 0);
 533         /* main canvas */
 534         edit_packer.attach (track_canvas_event_box,  2, 3, 1, 3,    FILL|EXPAND, FILL|EXPAND, 0, 0);
 535
 536         bottom_hbox.set_border_width (2);
 537         bottom_hbox.set_spacing (3);
 538
 539         _route_groups = new EditorRouteGroups (this);
 540         _routes = new EditorRoutes (this);
 541         _regions = new EditorRegions (this);
 542         _snapshots = new EditorSnapshots (this);
 543         _locations = new EditorLocations (this);
 544
 545         Gtk::Label* nlabel;
 546
 547         nlabel = manage (new Label (_("Regions")));
 548         nlabel->set_angle (-90);
 549         the_notebook.append_page (_regions->widget (), *nlabel);
 550         nlabel = manage (new Label (_("Tracks/Busses")));
 551         nlabel->set_angle (-90);
 552         the_notebook.append_page (_routes->widget (), *nlabel);
 553         nlabel = manage (new Label (_("Snapshots")));
 554         nlabel->set_angle (-90);
 555         the_notebook.append_page (_snapshots->widget (), *nlabel);
 556         nlabel = manage (new Label (_("Route Groups")));
 557         nlabel->set_angle (-90);
 558         the_notebook.append_page (_route_groups->widget (), *nlabel);
 559         nlabel = manage (new Label (_("Ranges & Marks")));
 560         nlabel->set_angle (-90);
 561         the_notebook.append_page (_locations->widget (), *nlabel);
 562
 563         the_notebook.set_show_tabs (true);
 564         the_notebook.set_scrollable (true);
 565         the_notebook.popup_disable ();
 566         the_notebook.set_tab_pos (Gtk::POS_RIGHT);
 567         the_notebook.show_all ();
 568
 569         post_maximal_editor_width = 0;
 570         post_maximal_pane_position = 0;
 571
 572         VPaned *editor_summary_pane = manage(new VPaned());
 573         editor_summary_pane->pack1(edit_packer);
 574
 575         Button* summary_arrows_left_left = manage (new Button);
 576         summary_arrows_left_left->add (*manage (new Arrow (ARROW_LEFT, SHADOW_NONE)));
 577         summary_arrows_left_left->signal_clicked().connect (sigc::mem_fun (*this, &Editor::horizontal_scroll_left));
 578         Button* summary_arrows_left_right = manage (new Button);
 579         summary_arrows_left_right->add (*manage (new Arrow (ARROW_RIGHT, SHADOW_NONE)));
 580         summary_arrows_left_right->signal_clicked().connect (sigc::mem_fun (*this, &Editor::horizontal_scroll_right));
 581         VBox* summary_arrows_left = manage (new VBox);
 582         summary_arrows_left->pack_start (*summary_arrows_left_left);
 583         summary_arrows_left->pack_start (*summary_arrows_left_right);
 584
 585         Button* summary_arrows_right_left = manage (new Button);
 586         summary_arrows_right_left->add (*manage (new Arrow (ARROW_LEFT, SHADOW_NONE)));
 587         summary_arrows_right_left->signal_clicked().connect (sigc::mem_fun (*this, &Editor::horizontal_scroll_left));
 588         Button* summary_arrows_right_right = manage (new Button);
 589         summary_arrows_right_right->add (*manage (new Arrow (ARROW_RIGHT, SHADOW_NONE)));
 590         summary_arrows_right_right->signal_clicked().connect (sigc::mem_fun (*this, &Editor::horizontal_scroll_right));
 591         VBox* summary_arrows_right = manage (new VBox);
 592         summary_arrows_right->pack_start (*summary_arrows_right_left);
 593         summary_arrows_right->pack_start (*summary_arrows_right_right);
 594
 595         Frame* summary_frame = manage (new Frame);
 596         summary_frame->set_shadow_type (Gtk::SHADOW_ETCHED_IN);
 597         summary_frame->add (*_summary);
 598         summary_frame->show ();
 599
 600         _summary_hbox.pack_start (*summary_arrows_left, false, false);
 601         _summary_hbox.pack_start (*summary_frame, true, true);
 602         _summary_hbox.pack_start (*summary_arrows_right, false, false);
 603
 604         editor_summary_pane->pack2 (_summary_hbox);
 605
 606         edit_pane.pack1 (*editor_summary_pane, true, true);
 607         edit_pane.pack2 (the_notebook, false, true);
 608
 609         edit_pane.signal_size_allocate().connect (sigc::bind (sigc::mem_fun(*this, &Editor::pane_allocation_handler), static_cast<Paned*> (&edit_pane)));
 610 #ifdef GTKOSX
 611         Glib::PropertyProxy<int> proxy = edit_pane.property_position();
 612         proxy.signal_changed().connect (bind (sigc::ptr_fun (pane_size_watcher), static_cast<Paned*> (&edit_pane)));
 613 #endif
 614         top_hbox.pack_start (toolbar_frame, false, true);
 615
 616         HBox *hbox = manage (new HBox);
 617         hbox->pack_start (edit_pane, true, true);
 618
 619         global_vpacker.pack_start (top_hbox, false, false);
 620         global_vpacker.pack_start (*hbox, true, true);
 621
 622         global_hpacker.pack_start (global_vpacker, true, true);
 623
 624         set_name ("EditorWindow");
 625         add_accel_group (ActionManager::ui_manager->get_accel_group());
 626
 627         status_bar_hpacker.show ();
 628
 629         vpacker.pack_end (status_bar_hpacker, false, false);
 630         vpacker.pack_end (global_hpacker, true, true);
 631
 632         /* register actions now so that set_state() can find them and set toggles/checks etc */
 633
 634         register_actions ();
 635
 636         setup_toolbar ();
 637         setup_midi_toolbar ();
 638
 639         _snap_type = SnapToBeat;
 640         set_snap_to (_snap_type);
 641         _snap_mode = SnapOff;
 642         set_snap_mode (_snap_mode);
 643         set_mouse_mode (MouseObject, true);
 644         set_edit_point_preference (EditAtMouse, true);
 645
 646         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
 647         set_state (*node, Stateful::loading_state_version);
 648
 649         _playlist_selector = new PlaylistSelector();
 650         _playlist_selector->signal_delete_event().connect (sigc::bind (sigc::ptr_fun (just_hide_it), static_cast<Window *> (_playlist_selector)));
 651
 652         RegionView::RegionViewGoingAway.connect (*this, invalidator (*this),  ui_bind (&Editor::catch_vanishing_regionview, this, _1), gui_context());
 653
 654         /* nudge stuff */
 655
 656         nudge_forward_button.add (*(manage (new Image (::get_icon("nudge_right")))));
 657         nudge_backward_button.add (*(manage (new Image (::get_icon("nudge_left")))));
 658
 659         nudge_forward_button.set_name ("TransportButton");
 660         nudge_backward_button.set_name ("TransportButton");
 661
 662         fade_context_menu.set_name ("ArdourContextMenu");
 663
 664         /* icons, titles, WM stuff */
 665
 666         list<Glib::RefPtr<Gdk::Pixbuf> > window_icons;
 667         Glib::RefPtr<Gdk::Pixbuf> icon;
 668
 669         if ((icon = ::get_icon ("ardour_icon_16px")) != 0) {
 670                 window_icons.push_back (icon);
 671         }
 672         if ((icon = ::get_icon ("ardour_icon_22px")) != 0) {
 673                 window_icons.push_back (icon);
 674         }
 675         if ((icon = ::get_icon ("ardour_icon_32px")) != 0) {
 676                 window_icons.push_back (icon);
 677         }
 678         if ((icon = ::get_icon ("ardour_icon_48px")) != 0) {
 679                 window_icons.push_back (icon);
 680         }
 681         if (!window_icons.empty()) {
 682                 set_icon_list (window_icons);
 683                 set_default_icon_list (window_icons);
 684         }
 685
 686         WindowTitle title(Glib::get_application_name());
 687         title += _("Editor");
 688         set_title (title.get_string());
 689         set_wmclass (X_("ardour_editor"), "Ardour");
 690
 691         add (vpacker);
 692         add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK);
 693
 694         signal_configure_event().connect (sigc::mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::configure_handler));
 695         signal_delete_event().connect (sigc::mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::exit_on_main_window_close));
 696
 697         /* allow external control surfaces/protocols to do various things */
 698
 699         ControlProtocol::ZoomToSession.connect (*this, invalidator (*this), boost::bind (&Editor::temporal_zoom_session, this), gui_context());
 700         ControlProtocol::ZoomIn.connect (*this, invalidator (*this), boost::bind (&Editor::temporal_zoom_step, this, false), gui_context());
 701         ControlProtocol::ZoomOut.connect (*this, invalidator (*this), boost::bind (&Editor::temporal_zoom_step, this, true), gui_context());
 702         ControlProtocol::ScrollTimeline.connect (*this, invalidator (*this), ui_bind (&Editor::control_scroll, this, _1), gui_context());
 703         BasicUI::AccessAction.connect (*this, invalidator (*this), ui_bind (&Editor::access_action, this, _1, _2), gui_context());
 704
 705         /* problematic: has to return a value and thus cannot be x-thread */
 706
 707         Session::AskAboutPlaylistDeletion.connect_same_thread (*this, boost::bind (&Editor::playlist_deletion_dialog, this, _1));
 708
 709         Config->ParameterChanged.connect (*this, invalidator (*this), ui_bind (&Editor::parameter_changed, this, _1), gui_context());
 710
 711         TimeAxisView::CatchDeletion.connect (*this, invalidator (*this), ui_bind (&Editor::timeaxisview_deleted, this, _1), gui_context());
 712
 713         _last_normalization_value = 0;
 714
 715         constructed = true;
 716         instant_save ();
 717 }
 718
 719 Editor::~Editor()
 720 {
 721 #ifdef WITH_CMT
 722         if(image_socket_listener) {
 723                 if(image_socket_listener->is_connected())
 724                 {
 725                         image_socket_listener->close_connection() ;
 726                 }
 727
 728                 delete image_socket_listener ;
 729                 image_socket_listener = 0 ;
 730         }
 731 #endif
 732
 733         delete _routes;
 734         delete _route_groups;
 735         delete track_canvas;
 736         delete _drags;
 737 }
 738
 739 void
 740 Editor::add_toplevel_controls (Container& cont)
 741 {
 742         vpacker.pack_start (cont, false, false);
 743         cont.show_all ();
 744 }
 745
 746 void
 747 Editor::catch_vanishing_regionview (RegionView *rv)
 748 {
 749         /* note: the selection will take care of the vanishing
 750            audioregionview by itself.
 751         */
 752
 753         if (_drags->active() && _drags->have_item (rv->get_canvas_group()) && !_drags->ending()) {
 754                 _drags->abort ();
 755         }
 756
 757         if (clicked_regionview == rv) {
 758                 clicked_regionview = 0;
 759         }
 760
 761         if (entered_regionview == rv) {
 762                 set_entered_regionview (0);
 763         }
 764 }
 765
 766 void
 767 Editor::set_entered_regionview (RegionView* rv)
 768 {
 769         if (rv == entered_regionview) {
 770                 return;
 771         }
 772
 773         if (entered_regionview) {
 774                 entered_regionview->exited ();
 775         }
 776
 777         if ((entered_regionview = rv) != 0) {
 778                 entered_regionview->entered ();
 779         }
 780 }
 781
 782 void
 783 Editor::set_entered_track (TimeAxisView* tav)
 784 {
 785         if (entered_track) {
 786                 entered_track->exited ();
 787         }
 788
 789         if ((entered_track = tav) != 0) {
 790                 entered_track->entered ();
 791         }
 792 }
 793
 794 void
 795 Editor::show_window ()
 796 {
 797         if (! is_visible ()) {
 798                 show_all ();
 799
 800                 /* re-hide editor list if necessary */
 801                 editor_list_button_toggled ();
 802
 803                 /* re-hide summary widget if necessary */
 804                 parameter_changed ("show-summary");
 805
 806                 parameter_changed ("show-edit-group-tabs");
 807
 808                 /* now reset all audio_time_axis heights, because widgets might need
 809                    to be re-hidden
 810                 */
 811
 812                 TimeAxisView *tv;
 813
 814                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
 815                         tv = (static_cast<TimeAxisView*>(*i));
 816                         tv->reset_height ();
 817                 }
 818
 819                 reset_zoom (frames_per_unit);
 820         }
 821
 822         present ();
 823 }
 824
 825 void
 826 Editor::instant_save ()
 827 {
 828         if (!constructed || !ARDOUR_UI::instance()->session_loaded) {
 829                 return;
 830         }
 831
 832         if (_session) {
 833                 _session->add_instant_xml(get_state());
 834         } else {
 835                 Config->add_instant_xml(get_state());
 836         }
 837 }
 838
 839 void
 840 Editor::zoom_adjustment_changed ()
 841 {
 842         if (_session == 0) {
 843                 return;
 844         }
 845
 846         double fpu = zoom_range_clock.current_duration() / _canvas_width;
 847
 848         if (fpu < 1.0) {
 849                 fpu = 1.0;
 850                 zoom_range_clock.set ((nframes64_t) floor (fpu * _canvas_width));
 851         } else if (fpu > _session->current_end_frame() / _canvas_width) {
 852                 fpu = _session->current_end_frame() / _canvas_width;
 853                 zoom_range_clock.set ((nframes64_t) floor (fpu * _canvas_width));
 854         }
 855
 856         temporal_zoom (fpu);
 857 }
 858
 859 void
 860 Editor::control_scroll (float fraction)
 861 {
 862         ENSURE_GUI_THREAD (*this, &Editor::control_scroll, fraction)
 863
 864         if (!_session) {
 865                 return;
 866         }
 867
 868         double step = fraction * current_page_frames();
 869
 870         /*
 871                 _control_scroll_target is an optional<T>
 872
 873                 it acts like a pointer to an nframes64_t, with
 874                 a operator conversion to boolean to check
 875                 that it has a value could possibly use
 876                 playhead_cursor->current_frame to store the
 877                 value and a boolean in the class to know
 878                 when it's out of date
 879         */
 880
 881         if (!_control_scroll_target) {
 882                 _control_scroll_target = _session->transport_frame();
 883                 _dragging_playhead = true;
 884         }
 885
 886         if ((fraction < 0.0f) && (*_control_scroll_target < (nframes64_t) fabs(step))) {
 887                 *_control_scroll_target = 0;
 888         } else if ((fraction > 0.0f) && (max_frames - *_control_scroll_target < step)) {
 889                 *_control_scroll_target = max_frames - (current_page_frames()*2); // allow room for slop in where the PH is on the screen
 890         } else {
 891                 *_control_scroll_target += (nframes64_t) floor (step);
 892         }
 893
 894         /* move visuals, we'll catch up with it later */
 895
 896         playhead_cursor->set_position (*_control_scroll_target);
 897         UpdateAllTransportClocks (*_control_scroll_target);
 898
 899         if (*_control_scroll_target > (current_page_frames() / 2)) {
 900                 /* try to center PH in window */
 901                 reset_x_origin (*_control_scroll_target - (current_page_frames()/2));
 902         } else {
 903                 reset_x_origin (0);
 904         }
 905
 906         /*
 907                 Now we do a timeout to actually bring the session to the right place
 908                 according to the playhead. This is to avoid reading disk buffers on every
 909                 call to control_scroll, which is driven by ScrollTimeline and therefore
 910                 probably by a control surface wheel which can generate lots of events.
 911         */
 912         /* cancel the existing timeout */
 913
 914         control_scroll_connection.disconnect ();
 915
 916         /* add the next timeout */
 917
 918         control_scroll_connection = Glib::signal_timeout().connect (sigc::bind (sigc::mem_fun (*this, &Editor::deferred_control_scroll), *_control_scroll_target), 250);
 919 }
 920
 921 bool
 922 Editor::deferred_control_scroll (nframes64_t /*target*/)
 923 {
 924         _session->request_locate (*_control_scroll_target, _session->transport_rolling());
 925         // reset for next stream
 926         _control_scroll_target = boost::none;
 927         _dragging_playhead = false;
 928         return false;
 929 }
 930
 931 void
 932 Editor::access_action (std::string action_group, std::string action_item)
 933 {
 934         if (!_session) {
 935                 return;
 936         }
 937
 938         ENSURE_GUI_THREAD (*this, &Editor::access_action, action_group, action_item)
 939
 940         RefPtr<Action> act;
 941         act = ActionManager::get_action( action_group.c_str(), action_item.c_str() );
 942
 943         if (act) {
 944                 act->activate();
 945         }
 946 }
 947
 948 void
 949 Editor::on_realize ()
 950 {
 951         Window::on_realize ();
 952         Realized ();
 953 }
 954
 955 void
 956 Editor::map_position_change (nframes64_t frame)
 957 {
 958         ENSURE_GUI_THREAD (*this, &Editor::map_position_change, frame)
 959
 960         if (_session == 0 || !_follow_playhead) {
 961                 return;
 962         }
 963
 964         center_screen (frame);
 965         playhead_cursor->set_position (frame);
 966 }
 967
 968 void
 969 Editor::center_screen (nframes64_t frame)
 970 {
 971         double page = _canvas_width * frames_per_unit;
 972
 973         /* if we're off the page, then scroll.
 974          */
 975
 976         if (frame < leftmost_frame || frame >= leftmost_frame + page) {
 977                 center_screen_internal (frame, page);
 978         }
 979 }
 980
 981 void
 982 Editor::center_screen_internal (nframes64_t frame, float page)
 983 {
 984         page /= 2;
 985
 986         if (frame > page) {
 987                 frame -= (nframes64_t) page;
 988         } else {
 989                 frame = 0;
 990         }
 991
 992         reset_x_origin (frame);
 993 }
 994
 995 void
 996 Editor::handle_new_duration ()
 997 {
 998         if (!_session) {
 999                 return;
1000         }
1001
1002         ENSURE_GUI_THREAD (*this, &Editor::handle_new_duration)
1003         nframes64_t new_end = _session->current_end_frame() + (nframes64_t) floorf (current_page_frames() * 0.10f);
1004
1005         horizontal_adjustment.set_upper (new_end / frames_per_unit);
1006         horizontal_adjustment.set_page_size (current_page_frames()/frames_per_unit);
1007
1008         if (horizontal_adjustment.get_value() + _canvas_width > horizontal_adjustment.get_upper()) {
1009                 horizontal_adjustment.set_value (horizontal_adjustment.get_upper() - _canvas_width);
1010         }
1011         //cerr << "Editor::handle_new_duration () called ha v:l:u:ps:lcf = " << horizontal_adjustment.get_value() << ":" << horizontal_adjustment.get_lower() << ":" << horizontal_adjustment.get_upper() << ":" << horizontal_adjustment.get_page_size() << ":" << endl;//DEBUG
1012 }
1013
1014 void
1015 Editor::update_title ()
1016 {
1017         ENSURE_GUI_THREAD (*this, &Editor::update_title)
1018
1019         if (_session) {
1020                 bool dirty = _session->dirty();
1021
1022                 string session_name;
1023
1024                 if (_session->snap_name() != _session->name()) {
1025                         session_name = _session->snap_name();
1026                 } else {
1027                         session_name = _session->name();
1028                 }
1029
1030                 if (dirty) {
1031                         session_name = "*" + session_name;
1032                 }
1033
1034                 WindowTitle title(session_name);
1035                 title += Glib::get_application_name();
1036                 set_title (title.get_string());
1037         }
1038 }
1039
1040 void
1041 Editor::set_session (Session *t)
1042 {
1043         SessionHandlePtr::set_session (t);
1044
1045         if (!_session) {
1046                 return;
1047         }
1048
1049         zoom_range_clock.set_session (_session);
1050         _playlist_selector->set_session (_session);
1051         nudge_clock.set_session (_session);
1052         _summary->set_session (_session);
1053         _group_tabs->set_session (_session);
1054         _route_groups->set_session (_session);
1055         _regions->set_session (_session);
1056         _snapshots->set_session (_session);
1057         _routes->set_session (_session);
1058         _locations->set_session (_session);
1059
1060         if (rhythm_ferret) {
1061                 rhythm_ferret->set_session (_session);
1062         }
1063
1064         if (analysis_window) {
1065                 analysis_window->set_session (_session);
1066         }
1067
1068         if (sfbrowser) {
1069                 sfbrowser->set_session (_session);
1070         }
1071
1072         compute_fixed_ruler_scale ();
1073
1074         /* there are never any selected regions at startup */
1075         sensitize_the_right_region_actions (false);
1076
1077         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
1078         set_state (*node, Stateful::loading_state_version);
1079
1080         /* catch up with the playhead */
1081
1082         _session->request_locate (playhead_cursor->current_frame);
1083         _pending_initial_locate = true;
1084
1085         update_title ();
1086
1087         /* These signals can all be emitted by a non-GUI thread. Therefore the
1088            handlers for them must not attempt to directly interact with the GUI,
1089            but use Gtkmm2ext::UI::instance()->call_slot();
1090         */
1091
1092         _session->TransportStateChange.connect (_session_connections, invalidator (*this), boost::bind (&Editor::map_transport_state, this), gui_context());
1093         _session->PositionChanged.connect (_session_connections, invalidator (*this), ui_bind (&Editor::map_position_change, this, _1), gui_context());
1094         _session->RouteAdded.connect (_session_connections, invalidator (*this), ui_bind (&Editor::handle_new_route, this, _1), gui_context());
1095         _session->DurationChanged.connect (_session_connections, invalidator (*this), boost::bind (&Editor::handle_new_duration, this), gui_context());
1096         _session->DirtyChanged.connect (_session_connections, invalidator (*this), boost::bind (&Editor::update_title, this), gui_context());
1097         _session->TimecodeOffsetChanged.connect (_session_connections, invalidator (*this), boost::bind (&Editor::update_just_timecode, this), gui_context());
1098         _session->tempo_map().PropertyChanged.connect (_session_connections, invalidator (*this), ui_bind (&Editor::tempo_map_changed, this, _1), gui_context());
1099         _session->Located.connect (_session_connections, invalidator (*this), boost::bind (&Editor::located, this), gui_context());
1100         _session->config.ParameterChanged.connect (_session_connections, invalidator (*this), ui_bind (&Editor::parameter_changed, this, _1), gui_context());
1101         _session->StateSaved.connect (_session_connections, invalidator (*this), ui_bind (&Editor::session_state_saved, this, _1), gui_context());
1102         _session->locations()->added.connect (_session_connections, invalidator (*this), ui_bind (&Editor::add_new_location, this, _1), gui_context());
1103         _session->locations()->removed.connect (_session_connections, invalidator (*this), ui_bind (&Editor::location_gone, this, _1), gui_context());
1104         _session->locations()->changed.connect (_session_connections, invalidator (*this), boost::bind (&Editor::refresh_location_display, this), gui_context());
1105         _session->locations()->StateChanged.connect (_session_connections, invalidator (*this), ui_bind (&Editor::refresh_location_display_s, this, _1), gui_context());
1106         _session->locations()->session_range_location()->changed.connect (_session_connections, invalidator (*this), ui_bind (&Editor::session_range_location_changed, 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         handle_new_duration ();
1156
1157         restore_ruler_visibility ();
1158         //tempo_map_changed (PropertyChange (0));
1159         _session->tempo_map().apply_with_metrics (*this, &Editor::draw_metric_marks);
1160
1161         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
1162                 (static_cast<TimeAxisView*>(*i))->set_samples_per_unit (frames_per_unit);
1163         }
1164
1165         super_rapid_screen_update_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect (
1166                 sigc::mem_fun (*this, &Editor::super_rapid_screen_update)
1167                 );
1168
1169         switch (_snap_type) {
1170         case SnapToRegionStart:
1171         case SnapToRegionEnd:
1172         case SnapToRegionSync:
1173         case SnapToRegionBoundary:
1174                 build_region_boundary_cache ();
1175                 break;
1176
1177         default:
1178                 break;
1179         }
1180
1181         /* register for undo history */
1182         _session->register_with_memento_command_factory(_id, this);
1183
1184         start_updating_meters ();
1185 }
1186
1187 void
1188 Editor::build_cursors ()
1189 {
1190         using namespace Gdk;
1191
1192         Gdk::Color mbg ("#000000" ); /* Black */
1193         Gdk::Color mfg ("#0000ff" ); /* Blue. */
1194
1195         {
1196                 RefPtr<Bitmap> source, mask;
1197                 source = Bitmap::create (mag_bits, mag_width, mag_height);
1198                 mask = Bitmap::create (magmask_bits, mag_width, mag_height);
1199                 zoom_cursor = new Gdk::Cursor (source, mask, mfg, mbg, mag_x_hot, mag_y_hot);
1200         }
1201
1202         Gdk::Color fbg ("#ffffff" );
1203         Gdk::Color ffg  ("#000000" );
1204
1205         {
1206                 RefPtr<Bitmap> source, mask;
1207
1208                 source = Bitmap::create (fader_cursor_bits, fader_cursor_width, fader_cursor_height);
1209                 mask = Bitmap::create (fader_cursor_mask_bits, fader_cursor_width, fader_cursor_height);
1210                 fader_cursor = new Gdk::Cursor (source, mask, ffg, fbg, fader_cursor_x_hot, fader_cursor_y_hot);
1211         }
1212
1213         {
1214                 RefPtr<Bitmap> source, mask;
1215                 source = Bitmap::create (speaker_cursor_bits, speaker_cursor_width, speaker_cursor_height);
1216                 mask = Bitmap::create (speaker_cursor_mask_bits, speaker_cursor_width, speaker_cursor_height);
1217                 speaker_cursor = new Gdk::Cursor (source, mask, ffg, fbg, speaker_cursor_x_hot, speaker_cursor_y_hot);
1218         }
1219
1220         {
1221                 RefPtr<Bitmap> bits;
1222                 char pix[4] = { 0, 0, 0, 0 };
1223                 bits = Bitmap::create (pix, 2, 2);
1224                 Gdk::Color c;
1225                 transparent_cursor = new Gdk::Cursor (bits, bits, c, c, 0, 0);
1226         }
1227
1228         {
1229                 RefPtr<Bitmap> bits;
1230                 char pix[4] = { 0, 0, 0, 0 };
1231                 bits = Bitmap::create (pix, 2, 2);
1232                 Gdk::Color c;
1233                 transparent_cursor = new Gdk::Cursor (bits, bits, c, c, 0, 0);
1234         }
1235
1236
1237         grabber_cursor = new Gdk::Cursor (HAND2);
1238
1239         {
1240                 Glib::RefPtr<Gdk::Pixbuf> grabber_edit_point_pixbuf (::get_icon ("grabber_edit_point"));
1241                 grabber_edit_point_cursor = new Gdk::Cursor (Gdk::Display::get_default(), grabber_edit_point_pixbuf, 5, 17);
1242         }
1243
1244         cross_hair_cursor = new Gdk::Cursor (CROSSHAIR);
1245         trimmer_cursor =  new Gdk::Cursor (SB_H_DOUBLE_ARROW);
1246         selector_cursor = new Gdk::Cursor (XTERM);
1247         time_fx_cursor = new Gdk::Cursor (SIZING);
1248         wait_cursor = new Gdk::Cursor  (WATCH);
1249         timebar_cursor = new Gdk::Cursor(LEFT_PTR);
1250         midi_pencil_cursor = new Gdk::Cursor (PENCIL);
1251         midi_select_cursor = new Gdk::Cursor (CENTER_PTR);
1252         midi_resize_cursor = new Gdk::Cursor (SIZING);
1253         midi_erase_cursor = new Gdk::Cursor (DRAPED_BOX);
1254 }
1255
1256 /** Pop up a context menu for when the user clicks on a fade in or fade out */
1257 void
1258 Editor::popup_fade_context_menu (int button, int32_t time, ArdourCanvas::Item* item, ItemType item_type)
1259 {
1260         using namespace Menu_Helpers;
1261         AudioRegionView* arv = static_cast<AudioRegionView*> (item->get_data ("regionview"));
1262
1263         if (arv == 0) {
1264                 fatal << _("programming error: fade in canvas item has no regionview data pointer!") << endmsg;
1265                 /*NOTREACHED*/
1266         }
1267
1268         MenuList& items (fade_context_menu.items());
1269
1270         items.clear ();
1271
1272         switch (item_type) {
1273         case FadeInItem:
1274         case FadeInHandleItem:
1275                 if (arv->audio_region()->fade_in_active()) {
1276                         items.push_back (MenuElem (_("Deactivate"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_active), false)));
1277                 } else {
1278                         items.push_back (MenuElem (_("Activate"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_active), true)));
1279                 }
1280
1281                 items.push_back (SeparatorElem());
1282
1283                 if (Profile->get_sae()) {
1284                         items.push_back (MenuElem (_("Linear"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Linear)));
1285                         items.push_back (MenuElem (_("Slowest"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Fast)));
1286                 } else {
1287                         items.push_back (MenuElem (_("Linear"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Linear)));
1288                         items.push_back (MenuElem (_("Slowest"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Fast)));
1289                         items.push_back (MenuElem (_("Slow"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::LogB)));
1290                         items.push_back (MenuElem (_("Fast"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::LogA)));
1291                         items.push_back (MenuElem (_("Fastest"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Slow)));
1292                 }
1293
1294                 break;
1295
1296         case FadeOutItem:
1297         case FadeOutHandleItem:
1298                 if (arv->audio_region()->fade_out_active()) {
1299                         items.push_back (MenuElem (_("Deactivate"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_active), false)));
1300                 } else {
1301                         items.push_back (MenuElem (_("Activate"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_active), true)));
1302                 }
1303
1304                 items.push_back (SeparatorElem());
1305
1306                 if (Profile->get_sae()) {
1307                         items.push_back (MenuElem (_("Linear"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Linear)));
1308                         items.push_back (MenuElem (_("Slowest"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Slow)));
1309                 } else {
1310                         items.push_back (MenuElem (_("Linear"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Linear)));
1311                         items.push_back (MenuElem (_("Slowest"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Slow)));
1312                         items.push_back (MenuElem (_("Slow"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::LogA)));
1313                         items.push_back (MenuElem (_("Fast"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::LogB)));
1314                         items.push_back (MenuElem (_("Fastest"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Fast)));
1315                 }
1316
1317                 break;
1318
1319         default:
1320                 fatal << _("programming error: ")
1321                       << X_("non-fade canvas item passed to popup_fade_context_menu()")
1322                       << endmsg;
1323                 /*NOTREACHED*/
1324         }
1325
1326         fade_context_menu.popup (button, time);
1327 }
1328
1329 void
1330 Editor::popup_track_context_menu (int button, int32_t time, ItemType item_type, bool with_selection, nframes64_t frame)
1331 {
1332         using namespace Menu_Helpers;
1333         Menu* (Editor::*build_menu_function)(nframes64_t);
1334         Menu *menu;
1335
1336         switch (item_type) {
1337         case RegionItem:
1338         case RegionViewName:
1339         case RegionViewNameHighlight:
1340                 if (with_selection) {
1341                         build_menu_function = &Editor::build_track_selection_context_menu;
1342                 } else {
1343                         build_menu_function = &Editor::build_track_region_context_menu;
1344                 }
1345                 break;
1346
1347         case SelectionItem:
1348                 if (with_selection) {
1349                         build_menu_function = &Editor::build_track_selection_context_menu;
1350                 } else {
1351                         build_menu_function = &Editor::build_track_context_menu;
1352                 }
1353                 break;
1354
1355         case CrossfadeViewItem:
1356                 build_menu_function = &Editor::build_track_crossfade_context_menu;
1357                 break;
1358
1359         case StreamItem:
1360                 if (clicked_routeview->track()) {
1361                         build_menu_function = &Editor::build_track_context_menu;
1362                 } else {
1363                         build_menu_function = &Editor::build_track_bus_context_menu;
1364                 }
1365                 break;
1366
1367         default:
1368                 /* probably shouldn't happen but if it does, we don't care */
1369                 return;
1370         }
1371
1372         menu = (this->*build_menu_function)(frame);
1373         menu->set_name ("ArdourContextMenu");
1374
1375         /* now handle specific situations */
1376
1377         switch (item_type) {
1378         case RegionItem:
1379         case RegionViewName:
1380         case RegionViewNameHighlight:
1381                 if (!with_selection) {
1382                         if (region_edit_menu_split_item) {
1383                                 if (clicked_regionview && clicked_regionview->region()->covers (get_preferred_edit_position())) {
1384                                         ActionManager::set_sensitive (ActionManager::edit_point_in_region_sensitive_actions, true);
1385                                 } else {
1386                                         ActionManager::set_sensitive (ActionManager::edit_point_in_region_sensitive_actions, false);
1387                                 }
1388                         }
1389                         if (region_edit_menu_split_multichannel_item) {
1390                                 if (clicked_regionview && clicked_regionview->region()->n_channels() > 1) {
1391                                         region_edit_menu_split_multichannel_item->set_sensitive (true);
1392                                 } else {
1393                                         region_edit_menu_split_multichannel_item->set_sensitive (false);
1394                                 }
1395                         }
1396                 }
1397                 break;
1398
1399         case SelectionItem:
1400                 break;
1401
1402         case CrossfadeViewItem:
1403                 break;
1404
1405         case StreamItem:
1406                 break;
1407
1408         default:
1409                 /* probably shouldn't happen but if it does, we don't care */
1410                 return;
1411         }
1412
1413         if (item_type != SelectionItem && clicked_routeview && clicked_routeview->audio_track()) {
1414
1415                 /* Bounce to disk */
1416
1417                 using namespace Menu_Helpers;
1418                 MenuList& edit_items  = menu->items();
1419
1420                 edit_items.push_back (SeparatorElem());
1421
1422                 switch (clicked_routeview->audio_track()->freeze_state()) {
1423                 case AudioTrack::NoFreeze:
1424                         edit_items.push_back (MenuElem (_("Freeze"), sigc::mem_fun(*this, &Editor::freeze_route)));
1425                         break;
1426
1427                 case AudioTrack::Frozen:
1428                         edit_items.push_back (MenuElem (_("Unfreeze"), sigc::mem_fun(*this, &Editor::unfreeze_route)));
1429                         break;
1430
1431                 case AudioTrack::UnFrozen:
1432                         edit_items.push_back (MenuElem (_("Freeze"), sigc::mem_fun(*this, &Editor::freeze_route)));
1433                         break;
1434                 }
1435
1436         }
1437
1438         if (item_type == StreamItem && clicked_routeview) {
1439                 clicked_routeview->build_underlay_menu(menu);
1440         }
1441
1442         menu->popup (button, time);
1443 }
1444
1445 Menu*
1446 Editor::build_track_context_menu (nframes64_t)
1447 {
1448         using namespace Menu_Helpers;
1449
1450         MenuList& edit_items = track_context_menu.items();
1451         edit_items.clear();
1452
1453         add_dstream_context_items (edit_items);
1454         return &track_context_menu;
1455 }
1456
1457 Menu*
1458 Editor::build_track_bus_context_menu (nframes64_t)
1459 {
1460         using namespace Menu_Helpers;
1461
1462         MenuList& edit_items = track_context_menu.items();
1463         edit_items.clear();
1464
1465         add_bus_context_items (edit_items);
1466         return &track_context_menu;
1467 }
1468
1469 Menu*
1470 Editor::build_track_region_context_menu (nframes64_t frame)
1471 {
1472         using namespace Menu_Helpers;
1473         MenuList& edit_items  = track_region_context_menu.items();
1474         edit_items.clear();
1475
1476         RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (clicked_axisview);
1477
1478         if (rtv) {
1479                 boost::shared_ptr<Track> tr;
1480                 boost::shared_ptr<Playlist> pl;
1481
1482                 if ((tr = rtv->track()) && ((pl = tr->playlist()))) {
1483                         Playlist::RegionList* regions = pl->regions_at ((nframes64_t) floor ( (double)frame * tr->speed()));
1484
1485                         if (selection->regions.size() > 1) {
1486                                 // there's already a multiple selection: just add a
1487                                 // single region context menu that will act on all
1488                                 // selected regions
1489                                 boost::shared_ptr<Region> dummy_region; // = NULL
1490                                 add_region_context_items (rtv->view(), dummy_region, edit_items);
1491                         } else {
1492                                 for (Playlist::RegionList::reverse_iterator i = regions->rbegin(); i != regions->rend(); ++i) {
1493                                         add_region_context_items (rtv->view(), (*i), edit_items);
1494                                 }
1495                         }
1496
1497                         delete regions;
1498                 }
1499         }
1500
1501         add_dstream_context_items (edit_items);
1502
1503         return &track_region_context_menu;
1504 }
1505
1506 Menu*
1507 Editor::build_track_crossfade_context_menu (nframes64_t frame)
1508 {
1509         using namespace Menu_Helpers;
1510         MenuList& edit_items  = track_crossfade_context_menu.items();
1511         edit_items.clear ();
1512
1513         AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*> (clicked_axisview);
1514
1515         if (atv) {
1516                 boost::shared_ptr<Track> tr;
1517                 boost::shared_ptr<Playlist> pl;
1518                 boost::shared_ptr<AudioPlaylist> apl;
1519
1520                 if ((tr = atv->track()) && ((pl = tr->playlist()) != 0) && ((apl = boost::dynamic_pointer_cast<AudioPlaylist> (pl)) != 0)) {
1521
1522                         Playlist::RegionList* regions = pl->regions_at (frame);
1523                         AudioPlaylist::Crossfades xfades;
1524
1525                         apl->crossfades_at (frame, xfades);
1526
1527                         bool many = xfades.size() > 1;
1528
1529                         for (AudioPlaylist::Crossfades::iterator i = xfades.begin(); i != xfades.end(); ++i) {
1530                                 add_crossfade_context_items (atv->audio_view(), (*i), edit_items, many);
1531                         }
1532
1533                         if (selection->regions.size() > 1) {
1534                                 // there's already a multiple selection: just add a
1535                                 // single region context menu that will act on all
1536                                 // selected regions
1537                                 boost::shared_ptr<Region> dummy_region; // = NULL
1538                                 add_region_context_items (atv->audio_view(), dummy_region, edit_items);
1539                         } else {
1540                                 for (Playlist::RegionList::reverse_iterator i = regions->rbegin(); i != regions->rend(); ++i) {
1541                                         add_region_context_items (atv->audio_view(), (*i), edit_items);
1542                                 }
1543                         }
1544                         delete regions;
1545                 }
1546         }
1547
1548         add_dstream_context_items (edit_items);
1549
1550         return &track_crossfade_context_menu;
1551 }
1552
1553 void
1554 Editor::analyze_region_selection()
1555 {
1556         if (analysis_window == 0) {
1557                 analysis_window = new AnalysisWindow();
1558
1559                 if (_session != 0)
1560                         analysis_window->set_session(_session);
1561
1562                 analysis_window->show_all();
1563         }
1564
1565         analysis_window->set_regionmode();
1566         analysis_window->analyze();
1567
1568         analysis_window->present();
1569 }
1570
1571 void
1572 Editor::analyze_range_selection()
1573 {
1574         if (analysis_window == 0) {
1575                 analysis_window = new AnalysisWindow();
1576
1577                 if (_session != 0)
1578                         analysis_window->set_session(_session);
1579
1580                 analysis_window->show_all();
1581         }
1582
1583         analysis_window->set_rangemode();
1584         analysis_window->analyze();
1585
1586         analysis_window->present();
1587 }
1588
1589 Menu*
1590 Editor::build_track_selection_context_menu (nframes64_t)
1591 {
1592         using namespace Menu_Helpers;
1593         MenuList& edit_items  = track_selection_context_menu.items();
1594         edit_items.clear ();
1595
1596         add_selection_context_items (edit_items);
1597         // edit_items.push_back (SeparatorElem());
1598         // add_dstream_context_items (edit_items);
1599
1600         return &track_selection_context_menu;
1601 }
1602
1603 /** Add context menu items relevant to crossfades.
1604  * @param edit_items List to add the items to.
1605  */
1606 void
1607 Editor::add_crossfade_context_items (AudioStreamView* /*view*/, boost::shared_ptr<Crossfade> xfade, Menu_Helpers::MenuList& edit_items, bool many)
1608 {
1609         using namespace Menu_Helpers;
1610         Menu     *xfade_menu = manage (new Menu);
1611         MenuList& items       = xfade_menu->items();
1612         xfade_menu->set_name ("ArdourContextMenu");
1613         string str;
1614
1615         if (xfade->active()) {
1616                 str = _("Mute");
1617         } else {
1618                 str = _("Unmute");
1619         }
1620
1621         items.push_back (MenuElem (str, sigc::bind (sigc::mem_fun(*this, &Editor::toggle_xfade_active), boost::weak_ptr<Crossfade> (xfade))));
1622         items.push_back (MenuElem (_("Edit"), sigc::bind (sigc::mem_fun(*this, &Editor::edit_xfade), boost::weak_ptr<Crossfade> (xfade))));
1623
1624         if (xfade->can_follow_overlap()) {
1625
1626                 if (xfade->following_overlap()) {
1627                         str = _("Convert to Short");
1628                 } else {
1629                         str = _("Convert to Full");
1630                 }
1631
1632                 items.push_back (MenuElem (str, sigc::bind (sigc::mem_fun(*this, &Editor::toggle_xfade_length), xfade)));
1633         }
1634
1635         if (many) {
1636                 str = xfade->out()->name();
1637                 str += "->";
1638                 str += xfade->in()->name();
1639         } else {
1640                 str = _("Crossfade");
1641         }
1642
1643         edit_items.push_back (MenuElem (str, *xfade_menu));
1644         edit_items.push_back (SeparatorElem());
1645 }
1646
1647 void
1648 Editor::xfade_edit_left_region ()
1649 {
1650         if (clicked_crossfadeview) {
1651                 clicked_crossfadeview->left_view.show_region_editor ();
1652         }
1653 }
1654
1655 void
1656 Editor::xfade_edit_right_region ()
1657 {
1658         if (clicked_crossfadeview) {
1659                 clicked_crossfadeview->right_view.show_region_editor ();
1660         }
1661 }
1662
1663 void
1664 Editor::add_region_context_items (StreamView* sv, boost::shared_ptr<Region> region, Menu_Helpers::MenuList& edit_items)
1665 {
1666         using namespace Menu_Helpers;
1667         Gtk::MenuItem* foo_item;
1668         Menu     *region_menu = manage (new Menu);
1669         MenuList& items       = region_menu->items();
1670         region_menu->set_name ("ArdourContextMenu");
1671
1672         boost::shared_ptr<AudioRegion> ar;
1673         boost::shared_ptr<MidiRegion>  mr;
1674
1675         if (region) {
1676                 ar = boost::dynamic_pointer_cast<AudioRegion> (region);
1677                 mr = boost::dynamic_pointer_cast<MidiRegion> (region);
1678
1679                 /* when this particular menu pops up, make the relevant region
1680                    become selected.
1681                 */
1682
1683                 region_menu->signal_map_event().connect (
1684                         sigc::bind (sigc::mem_fun(*this, &Editor::set_selected_regionview_from_map_event), sv, boost::weak_ptr<Region>(region)));
1685
1686                 items.push_back (MenuElem (_("Rename..."), sigc::mem_fun(*this, &Editor::rename_region)));
1687                 if (mr && internal_editing()) {
1688                         items.push_back (MenuElem (_("List editor..."), sigc::mem_fun(*this, &Editor::show_midi_list_editor)));
1689                 } else {
1690                         items.push_back (MenuElem (_("Region Properties..."), sigc::mem_fun(*this, &Editor::edit_region)));
1691                 }
1692         }
1693
1694         items.push_back (MenuElem (_("Raise to Top Layer"), sigc::mem_fun(*this, &Editor::raise_region_to_top)));
1695         items.push_back (MenuElem (_("Lower to Bottom Layer"), sigc::mem_fun  (*this, &Editor::lower_region_to_bottom)));
1696         items.push_back (SeparatorElem());
1697         items.push_back (MenuElem (_("Define Sync Point"), sigc::mem_fun(*this, &Editor::set_region_sync_from_edit_point)));
1698         if (_edit_point == EditAtMouse) {
1699                 items.back ().set_sensitive (false);
1700         }
1701         items.push_back (MenuElem (_("Remove Sync Point"), sigc::mem_fun(*this, &Editor::remove_region_sync)));
1702         items.push_back (SeparatorElem());
1703
1704         items.push_back (MenuElem (_("Audition"), sigc::mem_fun(*this, &Editor::play_selected_region)));
1705         items.push_back (MenuElem (_("Export..."), sigc::mem_fun(*this, &Editor::export_region)));
1706         items.push_back (MenuElem (_("Bounce"), sigc::mem_fun(*this, &Editor::bounce_region_selection)));
1707
1708         if (ar) {
1709                 items.push_back (MenuElem (_("Spectral Analysis..."), sigc::mem_fun(*this, &Editor::analyze_region_selection)));
1710         }
1711
1712         items.push_back (SeparatorElem());
1713
1714         sigc::connection fooc;
1715         boost::shared_ptr<Region> region_to_check;
1716
1717         if (region) {
1718                 region_to_check = region;
1719         } else {
1720                 region_to_check = selection->regions.front()->region();
1721         }
1722
1723         items.push_back (CheckMenuElem (_("Lock")));
1724         CheckMenuItem* region_lock_item = static_cast<CheckMenuItem*>(&items.back());
1725         if (region_to_check->locked()) {
1726                 region_lock_item->set_active();
1727         }
1728         region_lock_item->signal_activate().connect (sigc::mem_fun(*this, &Editor::toggle_region_lock));
1729
1730         items.push_back (CheckMenuElem (_("Glue to Bars and Beats")));
1731         CheckMenuItem* bbt_glue_item = static_cast<CheckMenuItem*>(&items.back());
1732
1733         switch (region_to_check->positional_lock_style()) {
1734         case Region::MusicTime:
1735                 bbt_glue_item->set_active (true);
1736                 break;
1737         default:
1738                 bbt_glue_item->set_active (false);
1739                 break;
1740         }
1741
1742         bbt_glue_item->signal_activate().connect (sigc::bind (sigc::mem_fun (*this, &Editor::set_region_lock_style), Region::MusicTime));
1743
1744         items.push_back (CheckMenuElem (_("Mute")));
1745         CheckMenuItem* region_mute_item = static_cast<CheckMenuItem*>(&items.back());
1746         fooc = region_mute_item->signal_activate().connect (sigc::mem_fun(*this, &Editor::toggle_region_mute));
1747         if (region_to_check->muted()) {
1748                 fooc.block (true);
1749                 region_mute_item->set_active();
1750                 fooc.block (false);
1751         }
1752
1753         items.push_back (MenuElem (_("Transpose..."), mem_fun(*this, &Editor::pitch_shift_regions)));
1754
1755         if (!Profile->get_sae()) {
1756                 items.push_back (CheckMenuElem (_("Opaque")));
1757                 CheckMenuItem* region_opaque_item = static_cast<CheckMenuItem*>(&items.back());
1758                 fooc = region_opaque_item->signal_activate().connect (sigc::mem_fun(*this, &Editor::toggle_region_opaque));
1759                 if (region_to_check->opaque()) {
1760                         fooc.block (true);
1761                         region_opaque_item->set_active();
1762                         fooc.block (false);
1763                 }
1764         }
1765
1766         items.push_back (CheckMenuElem (_("Original Position"), sigc::mem_fun(*this, &Editor::naturalize)));
1767         if (region_to_check->at_natural_position()) {
1768                 items.back().set_sensitive (false);
1769         }
1770
1771         items.push_back (SeparatorElem());
1772
1773         if (ar) {
1774
1775                 RegionView* rv = sv->find_view (ar);
1776                 AudioRegionView* arv = dynamic_cast<AudioRegionView*>(rv);
1777
1778                 if (!Profile->get_sae()) {
1779                         items.push_back (MenuElem (_("Reset Envelope"), sigc::mem_fun(*this, &Editor::reset_region_gain_envelopes)));
1780
1781                         items.push_back (CheckMenuElem (_("Envelope Visible")));
1782                         CheckMenuItem* region_envelope_visible_item = static_cast<CheckMenuItem*> (&items.back());
1783                         fooc = region_envelope_visible_item->signal_activate().connect (sigc::mem_fun(*this, &Editor::toggle_gain_envelope_visibility));
1784                         if (arv->envelope_visible()) {
1785                                 fooc.block (true);
1786                                 region_envelope_visible_item->set_active (true);
1787                                 fooc.block (false);
1788                         }
1789
1790                         items.push_back (CheckMenuElem (_("Envelope Active")));
1791                         CheckMenuItem* region_envelope_active_item = static_cast<CheckMenuItem*> (&items.back());
1792                         fooc = region_envelope_active_item->signal_activate().connect (sigc::mem_fun(*this, &Editor::toggle_gain_envelope_active));
1793
1794                         if (ar->envelope_active()) {
1795                                 fooc.block (true);
1796                                 region_envelope_active_item->set_active (true);
1797                                 fooc.block (false);
1798                         }
1799
1800                         items.push_back (SeparatorElem());
1801                 }
1802
1803                 items.push_back (MenuElem (_("Normalize..."), sigc::mem_fun(*this, &Editor::normalize_region)));
1804                 if (ar->scale_amplitude() != 1) {
1805                         items.push_back (MenuElem (_("Reset Gain"), sigc::mem_fun(*this, &Editor::reset_region_scale_amplitude)));
1806                 }
1807
1808         } else if (mr) {
1809                 items.push_back (MenuElem (_("Quantize"), sigc::mem_fun(*this, &Editor::quantize_region)));
1810                 items.push_back (SeparatorElem());
1811         }
1812
1813         items.push_back (MenuElem (_("Strip Silence..."), sigc::mem_fun (*this, &Editor::strip_region_silence)));
1814         items.push_back (MenuElem (_("Reverse"), sigc::mem_fun(*this, &Editor::reverse_region)));
1815         items.push_back (SeparatorElem());
1816
1817         /* range related stuff */
1818
1819         items.push_back (MenuElem (_("Add Single Range"), sigc::mem_fun (*this, &Editor::add_location_from_audio_region)));
1820         items.push_back (MenuElem (_("Add Range Markers"), sigc::mem_fun (*this, &Editor::add_locations_from_audio_region)));
1821         if (selection->regions.size() < 2) {
1822                 items.back().set_sensitive (false);
1823         }
1824
1825         items.push_back (MenuElem (_("Set Range Selection"), sigc::mem_fun (*this, &Editor::set_selection_from_region)));
1826         items.push_back (SeparatorElem());
1827
1828         /* Nudge region */
1829
1830         Menu *nudge_menu = manage (new Menu());
1831         MenuList& nudge_items = nudge_menu->items();
1832         nudge_menu->set_name ("ArdourContextMenu");
1833
1834         nudge_items.push_back (MenuElem (_("Nudge Forward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_forward), false, false))));
1835         nudge_items.push_back (MenuElem (_("Nudge Backward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_backward), false, false))));
1836         nudge_items.push_back (MenuElem (_("Nudge Forward by Capture Offset"), (sigc::mem_fun(*this, &Editor::nudge_forward_capture_offset))));
1837         nudge_items.push_back (MenuElem (_("Nudge Backward by Capture Offset"), (sigc::mem_fun(*this, &Editor::nudge_backward_capture_offset))));
1838
1839         items.push_back (MenuElem (_("Nudge"), *nudge_menu));
1840         items.push_back (SeparatorElem());
1841
1842         Menu *trim_menu = manage (new Menu);
1843         MenuList& trim_items = trim_menu->items();
1844         trim_menu->set_name ("ArdourContextMenu");
1845
1846         trim_items.push_back (MenuElem (_("Start to Edit Point"), sigc::mem_fun(*this, &Editor::trim_region_from_edit_point)));
1847         foo_item = &trim_items.back();
1848         if (_edit_point == EditAtMouse) {
1849                 foo_item->set_sensitive (false);
1850         }
1851         trim_items.push_back (MenuElem (_("Edit Point to End"), sigc::mem_fun(*this, &Editor::trim_region_to_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 (_("Trim to Loop"), sigc::mem_fun(*this, &Editor::trim_region_to_loop)));
1857         trim_items.push_back (MenuElem (_("Trim to Punch"), sigc::mem_fun(*this, &Editor::trim_region_to_punch)));
1858
1859         items.push_back (MenuElem (_("Trim"), *trim_menu));
1860         items.push_back (SeparatorElem());
1861
1862         items.push_back (MenuElem (_("Split"), (sigc::mem_fun(*this, &Editor::split))));
1863         region_edit_menu_split_item = &items.back();
1864
1865         if (_edit_point == EditAtMouse) {
1866                 region_edit_menu_split_item->set_sensitive (false);
1867         }
1868
1869         items.push_back (MenuElem (_("Make Mono Regions"), (sigc::mem_fun(*this, &Editor::split_multichannel_region))));
1870         region_edit_menu_split_multichannel_item = &items.back();
1871
1872         items.push_back (MenuElem (_("Duplicate"), (sigc::bind (sigc::mem_fun(*this, &Editor::duplicate_dialog), false))));
1873         items.push_back (MenuElem (_("Multi-Duplicate..."), (sigc::bind (sigc::mem_fun(*this, &Editor::duplicate_dialog), true))));
1874         items.push_back (MenuElem (_("Fill Track"), (sigc::mem_fun(*this, &Editor::region_fill_track))));
1875         items.push_back (SeparatorElem());
1876         items.push_back (MenuElem (_("Remove"), sigc::mem_fun(*this, &Editor::remove_selected_regions)));
1877
1878         /* OK, stick the region submenu at the top of the list, and then add
1879            the standard items.
1880         */
1881
1882         /* we have to hack up the region name because "_" has a special
1883            meaning for menu titles.
1884         */
1885
1886         string::size_type pos = 0;
1887         string menu_item_name = (region) ? region->name() : _("Selected Regions");
1888
1889         while ((pos = menu_item_name.find ("_", pos)) != string::npos) {
1890                 menu_item_name.replace (pos, 1, "__");
1891                 pos += 2;
1892         }
1893
1894         edit_items.push_back (MenuElem (menu_item_name, *region_menu));
1895         edit_items.push_back (SeparatorElem());
1896 }
1897
1898 /** Add context menu items relevant to selection ranges.
1899  * @param edit_items List to add the items to.
1900  */
1901 void
1902 Editor::add_selection_context_items (Menu_Helpers::MenuList& edit_items)
1903 {
1904         using namespace Menu_Helpers;
1905
1906         edit_items.push_back (MenuElem (_("Play Range"), sigc::mem_fun(*this, &Editor::play_selection)));
1907         edit_items.push_back (MenuElem (_("Loop Range"), sigc::bind (sigc::mem_fun(*this, &Editor::set_loop_from_selection), true)));
1908
1909         edit_items.push_back (SeparatorElem());
1910         edit_items.push_back (MenuElem (_("Spectral Analysis"), sigc::mem_fun(*this, &Editor::analyze_range_selection)));
1911
1912         if (!selection->regions.empty()) {
1913                 edit_items.push_back (SeparatorElem());
1914                 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)));
1915                 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)));
1916         }
1917
1918         edit_items.push_back (SeparatorElem());
1919         edit_items.push_back (MenuElem (_("Silence Range"), sigc::mem_fun(*this, &Editor::separate_region_from_selection)));
1920         edit_items.push_back (MenuElem (_("Convert to Region in Region List"), sigc::mem_fun(*this, &Editor::new_region_from_selection)));
1921
1922         edit_items.push_back (SeparatorElem());
1923         edit_items.push_back (MenuElem (_("Select All in Range"), sigc::mem_fun(*this, &Editor::select_all_selectables_using_time_selection)));
1924
1925         edit_items.push_back (SeparatorElem());
1926         edit_items.push_back (MenuElem (_("Set Loop from Range"), sigc::bind (sigc::mem_fun(*this, &Editor::set_loop_from_selection), false)));
1927         edit_items.push_back (MenuElem (_("Set Punch from Range"), sigc::mem_fun(*this, &Editor::set_punch_from_selection)));
1928
1929         edit_items.push_back (SeparatorElem());
1930         edit_items.push_back (MenuElem (_("Add Range Markers"), sigc::mem_fun (*this, &Editor::add_location_from_selection)));
1931
1932         edit_items.push_back (SeparatorElem());
1933         edit_items.push_back (MenuElem (_("Crop Region to Range"), sigc::mem_fun(*this, &Editor::crop_region_to_selection)));
1934         edit_items.push_back (MenuElem (_("Fill Range with Region"), sigc::mem_fun(*this, &Editor::region_fill_selection)));
1935         edit_items.push_back (MenuElem (_("Duplicate Range"), sigc::bind (sigc::mem_fun(*this, &Editor::duplicate_dialog), false)));
1936
1937         edit_items.push_back (SeparatorElem());
1938         edit_items.push_back (MenuElem (_("Consolidate Range"), sigc::bind (sigc::mem_fun(*this, &Editor::bounce_range_selection), true, false)));
1939         edit_items.push_back (MenuElem (_("Consolidate Range With Processing"), sigc::bind (sigc::mem_fun(*this, &Editor::bounce_range_selection), true, true)));
1940         edit_items.push_back (MenuElem (_("Bounce Range to Region List"), sigc::bind (sigc::mem_fun(*this, &Editor::bounce_range_selection), false, false)));
1941         edit_items.push_back (MenuElem (_("Bounce Range to Region List With Processing"), sigc::bind (sigc::mem_fun(*this, &Editor::bounce_range_selection), false, true)));
1942         edit_items.push_back (MenuElem (_("Export Range"), sigc::mem_fun(*this, &Editor::export_range)));
1943 }
1944
1945
1946 void
1947 Editor::add_dstream_context_items (Menu_Helpers::MenuList& edit_items)
1948 {
1949         using namespace Menu_Helpers;
1950
1951         /* Playback */
1952
1953         Menu *play_menu = manage (new Menu);
1954         MenuList& play_items = play_menu->items();
1955         play_menu->set_name ("ArdourContextMenu");
1956
1957         play_items.push_back (MenuElem (_("Play From Edit Point"), sigc::mem_fun(*this, &Editor::play_from_edit_point)));
1958         play_items.push_back (MenuElem (_("Play From Start"), sigc::mem_fun(*this, &Editor::play_from_start)));
1959         play_items.push_back (MenuElem (_("Play Region"), sigc::mem_fun(*this, &Editor::play_selected_region)));
1960         play_items.push_back (SeparatorElem());
1961         play_items.push_back (MenuElem (_("Loop Region"), sigc::mem_fun(*this, &Editor::loop_selected_region)));
1962
1963         edit_items.push_back (MenuElem (_("Play"), *play_menu));
1964
1965         /* Selection */
1966
1967         Menu *select_menu = manage (new Menu);
1968         MenuList& select_items = select_menu->items();
1969         select_menu->set_name ("ArdourContextMenu");
1970
1971         select_items.push_back (MenuElem (_("Select All in Track"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
1972         select_items.push_back (MenuElem (_("Select All"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all), Selection::Set)));
1973         select_items.push_back (MenuElem (_("Invert Selection in Track"), sigc::mem_fun(*this, &Editor::invert_selection_in_track)));
1974         select_items.push_back (MenuElem (_("Invert Selection"), sigc::mem_fun(*this, &Editor::invert_selection)));
1975         select_items.push_back (SeparatorElem());
1976         select_items.push_back (MenuElem (_("Set Range to Loop Range"), sigc::mem_fun(*this, &Editor::set_selection_from_loop)));
1977         select_items.push_back (MenuElem (_("Set Range to Punch Range"), sigc::mem_fun(*this, &Editor::set_selection_from_punch)));
1978         select_items.push_back (SeparatorElem());
1979         select_items.push_back (MenuElem (_("Select All After Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_edit), true)));
1980         select_items.push_back (MenuElem (_("Select All Before Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_edit), false)));
1981         select_items.push_back (MenuElem (_("Select All After Playhead"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
1982         select_items.push_back (MenuElem (_("Select All Before Playhead"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
1983         select_items.push_back (MenuElem (_("Select All Between Playhead and Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_between), false)));
1984         select_items.push_back (MenuElem (_("Select All Within Playhead and Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_between), true)));
1985         select_items.push_back (MenuElem (_("Select Range Between Playhead and Edit Point"), sigc::mem_fun(*this, &Editor::select_range_between)));
1986
1987         edit_items.push_back (MenuElem (_("Select"), *select_menu));
1988
1989         /* Cut-n-Paste */
1990
1991         Menu *cutnpaste_menu = manage (new Menu);
1992         MenuList& cutnpaste_items = cutnpaste_menu->items();
1993         cutnpaste_menu->set_name ("ArdourContextMenu");
1994
1995         cutnpaste_items.push_back (MenuElem (_("Cut"), sigc::mem_fun(*this, &Editor::cut)));
1996         cutnpaste_items.push_back (MenuElem (_("Copy"), sigc::mem_fun(*this, &Editor::copy)));
1997         cutnpaste_items.push_back (MenuElem (_("Paste"), sigc::bind (sigc::mem_fun(*this, &Editor::paste), 1.0f)));
1998
1999         cutnpaste_items.push_back (SeparatorElem());
2000
2001         cutnpaste_items.push_back (MenuElem (_("Align"), sigc::bind (sigc::mem_fun(*this, &Editor::align), ARDOUR::SyncPoint)));
2002         cutnpaste_items.push_back (MenuElem (_("Align Relative"), sigc::bind (sigc::mem_fun(*this, &Editor::align_relative), ARDOUR::SyncPoint)));
2003
2004         edit_items.push_back (MenuElem (_("Edit"), *cutnpaste_menu));
2005
2006         /* Adding new material */
2007
2008         edit_items.push_back (SeparatorElem());
2009         edit_items.push_back (MenuElem (_("Insert Selected Region"), sigc::bind (sigc::mem_fun(*this, &Editor::insert_region_list_selection), 1.0f)));
2010         edit_items.push_back (MenuElem (_("Insert Existing Media"), sigc::bind (sigc::mem_fun(*this, &Editor::add_external_audio_action), ImportToTrack)));
2011
2012         /* Nudge track */
2013
2014         Menu *nudge_menu = manage (new Menu());
2015         MenuList& nudge_items = nudge_menu->items();
2016         nudge_menu->set_name ("ArdourContextMenu");
2017
2018         edit_items.push_back (SeparatorElem());
2019         nudge_items.push_back (MenuElem (_("Nudge Entire Track Forward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), false, true))));
2020         nudge_items.push_back (MenuElem (_("Nudge Track After Edit Point Forward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), true, true))));
2021         nudge_items.push_back (MenuElem (_("Nudge Entire Track Backward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), false, false))));
2022         nudge_items.push_back (MenuElem (_("Nudge Track After Edit Point Backward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), true, false))));
2023
2024         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
2025 }
2026
2027 void
2028 Editor::add_bus_context_items (Menu_Helpers::MenuList& edit_items)
2029 {
2030         using namespace Menu_Helpers;
2031
2032         /* Playback */
2033
2034         Menu *play_menu = manage (new Menu);
2035         MenuList& play_items = play_menu->items();
2036         play_menu->set_name ("ArdourContextMenu");
2037
2038         play_items.push_back (MenuElem (_("Play From Edit Point"), sigc::mem_fun(*this, &Editor::play_from_edit_point)));
2039         play_items.push_back (MenuElem (_("Play From Start"), sigc::mem_fun(*this, &Editor::play_from_start)));
2040         edit_items.push_back (MenuElem (_("Play"), *play_menu));
2041
2042         /* Selection */
2043
2044         Menu *select_menu = manage (new Menu);
2045         MenuList& select_items = select_menu->items();
2046         select_menu->set_name ("ArdourContextMenu");
2047
2048         select_items.push_back (MenuElem (_("Select All in Track"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
2049         select_items.push_back (MenuElem (_("Select All"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all), Selection::Set)));
2050         select_items.push_back (MenuElem (_("Invert Selection in Track"), sigc::mem_fun(*this, &Editor::invert_selection_in_track)));
2051         select_items.push_back (MenuElem (_("Invert Selection"), sigc::mem_fun(*this, &Editor::invert_selection)));
2052         select_items.push_back (SeparatorElem());
2053         select_items.push_back (MenuElem (_("Select All After Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_edit), true)));
2054         select_items.push_back (MenuElem (_("Select All Before Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_edit), false)));
2055         select_items.push_back (MenuElem (_("Select All After Playhead"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
2056         select_items.push_back (MenuElem (_("Select All Before Playhead"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
2057
2058         edit_items.push_back (MenuElem (_("Select"), *select_menu));
2059
2060         /* Cut-n-Paste */
2061
2062         Menu *cutnpaste_menu = manage (new Menu);
2063         MenuList& cutnpaste_items = cutnpaste_menu->items();
2064         cutnpaste_menu->set_name ("ArdourContextMenu");
2065
2066         cutnpaste_items.push_back (MenuElem (_("Cut"), sigc::mem_fun(*this, &Editor::cut)));
2067         cutnpaste_items.push_back (MenuElem (_("Copy"), sigc::mem_fun(*this, &Editor::copy)));
2068         cutnpaste_items.push_back (MenuElem (_("Paste"), sigc::bind (sigc::mem_fun(*this, &Editor::paste), 1.0f)));
2069
2070         Menu *nudge_menu = manage (new Menu());
2071         MenuList& nudge_items = nudge_menu->items();
2072         nudge_menu->set_name ("ArdourContextMenu");
2073
2074         edit_items.push_back (SeparatorElem());
2075         nudge_items.push_back (MenuElem (_("Nudge Entire Track Forward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), false, true))));
2076         nudge_items.push_back (MenuElem (_("Nudge Track After Edit Point Forward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), true, true))));
2077         nudge_items.push_back (MenuElem (_("Nudge Entire Track Backward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), false, false))));
2078         nudge_items.push_back (MenuElem (_("Nudge Track After Edit Point Backward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), true, false))));
2079
2080         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
2081 }
2082
2083 SnapType
2084 Editor::snap_type() const
2085 {
2086         return _snap_type;
2087 }
2088
2089 SnapMode
2090 Editor::snap_mode() const
2091 {
2092         return _snap_mode;
2093 }
2094
2095 void
2096 Editor::set_snap_to (SnapType st)
2097 {
2098         unsigned int snap_ind = (unsigned int)st;
2099
2100         _snap_type = st;
2101
2102         if (snap_ind > snap_type_strings.size() - 1) {
2103                 snap_ind = 0;
2104                 _snap_type = (SnapType)snap_ind;
2105         }
2106
2107         string str = snap_type_strings[snap_ind];
2108
2109         if (str != snap_type_selector.get_active_text()) {
2110                 snap_type_selector.set_active_text (str);
2111         }
2112
2113         instant_save ();
2114
2115         switch (_snap_type) {
2116         case SnapToAThirtysecondBeat:
2117         case SnapToASixteenthBeat:
2118         case SnapToAEighthBeat:
2119         case SnapToAQuarterBeat:
2120         case SnapToAThirdBeat:
2121                 compute_bbt_ruler_scale (leftmost_frame, leftmost_frame + current_page_frames());
2122                 update_tempo_based_rulers ();
2123                 break;
2124
2125         case SnapToRegionStart:
2126         case SnapToRegionEnd:
2127         case SnapToRegionSync:
2128         case SnapToRegionBoundary:
2129                 build_region_boundary_cache ();
2130                 break;
2131
2132         default:
2133                 /* relax */
2134                 break;
2135     }
2136 }
2137
2138 void
2139 Editor::set_snap_mode (SnapMode mode)
2140 {
2141         _snap_mode = mode;
2142         string str = snap_mode_strings[(int)mode];
2143
2144         if (str != snap_mode_selector.get_active_text ()) {
2145                 snap_mode_selector.set_active_text (str);
2146         }
2147
2148         instant_save ();
2149 }
2150 void
2151 Editor::set_edit_point_preference (EditPoint ep, bool force)
2152 {
2153         bool changed = (_edit_point != ep);
2154
2155         _edit_point = ep;
2156         string str = edit_point_strings[(int)ep];
2157
2158         if (str != edit_point_selector.get_active_text ()) {
2159                 edit_point_selector.set_active_text (str);
2160         }
2161
2162         set_canvas_cursor ();
2163
2164         if (!force && !changed) {
2165                 return;
2166         }
2167
2168         const char* action=NULL;
2169
2170         switch (_edit_point) {
2171         case EditAtPlayhead:
2172                 action = "edit-at-playhead";
2173                 break;
2174         case EditAtSelectedMarker:
2175                 action = "edit-at-marker";
2176                 break;
2177         case EditAtMouse:
2178                 action = "edit-at-mouse";
2179                 break;
2180         }
2181
2182         Glib::RefPtr<Action> act = ActionManager::get_action ("Editor", action);
2183         if (act) {
2184                 Glib::RefPtr<RadioAction>::cast_dynamic(act)->set_active (true);
2185         }
2186
2187         nframes64_t foo;
2188         bool in_track_canvas;
2189
2190         if (!mouse_frame (foo, in_track_canvas)) {
2191                 in_track_canvas = false;
2192         }
2193
2194         reset_canvas_action_sensitivity (in_track_canvas);
2195
2196         instant_save ();
2197 }
2198
2199 int
2200 Editor::set_state (const XMLNode& node, int /*version*/)
2201 {
2202         const XMLProperty* prop;
2203         XMLNode* geometry;
2204         int x, y, xoff, yoff;
2205         Gdk::Geometry g;
2206
2207         if ((prop = node.property ("id")) != 0) {
2208                 _id = prop->value ();
2209         }
2210
2211         g.base_width = default_width;
2212         g.base_height = default_height;
2213         x = 1;
2214         y = 1;
2215         xoff = 0;
2216         yoff = 21;
2217
2218         if ((geometry = find_named_node (node, "geometry")) != 0) {
2219
2220                 XMLProperty* prop;
2221
2222                 if ((prop = geometry->property("x_size")) == 0) {
2223                         prop = geometry->property ("x-size");
2224                 }
2225                 if (prop) {
2226                         g.base_width = atoi(prop->value());
2227                 }
2228                 if ((prop = geometry->property("y_size")) == 0) {
2229                         prop = geometry->property ("y-size");
2230                 }
2231                 if (prop) {
2232                         g.base_height = atoi(prop->value());
2233                 }
2234
2235                 if ((prop = geometry->property ("x_pos")) == 0) {
2236                         prop = geometry->property ("x-pos");
2237                 }
2238                 if (prop) {
2239                         x = atoi (prop->value());
2240
2241                 }
2242                 if ((prop = geometry->property ("y_pos")) == 0) {
2243                         prop = geometry->property ("y-pos");
2244                 }
2245                 if (prop) {
2246                         y = atoi (prop->value());
2247                 }
2248
2249                 if ((prop = geometry->property ("x_off")) == 0) {
2250                         prop = geometry->property ("x-off");
2251                 }
2252                 if (prop) {
2253                         xoff = atoi (prop->value());
2254                 }
2255                 if ((prop = geometry->property ("y_off")) == 0) {
2256                         prop = geometry->property ("y-off");
2257                 }
2258                 if (prop) {
2259                         yoff = atoi (prop->value());
2260                 }
2261         }
2262
2263         set_default_size (g.base_width, g.base_height);
2264         move (x, y);
2265
2266         if (_session && (prop = node.property ("playhead"))) {
2267                 nframes64_t pos;
2268                 sscanf (prop->value().c_str(), "%" PRIi64, &pos);
2269                 playhead_cursor->set_position (pos);
2270         } else {
2271                 playhead_cursor->set_position (0);
2272         }
2273
2274         if ((prop = node.property ("mixer-width"))) {
2275                 editor_mixer_strip_width = Width (string_2_enum (prop->value(), editor_mixer_strip_width));
2276         }
2277
2278         if ((prop = node.property ("zoom-focus"))) {
2279                 set_zoom_focus ((ZoomFocus) atoi (prop->value()));
2280         }
2281
2282         if ((prop = node.property ("zoom"))) {
2283                 reset_zoom (PBD::atof (prop->value()));
2284         }
2285
2286         if ((prop = node.property ("snap-to"))) {
2287                 set_snap_to ((SnapType) atoi (prop->value()));
2288         }
2289
2290         if ((prop = node.property ("snap-mode"))) {
2291                 set_snap_mode ((SnapMode) atoi (prop->value()));
2292         }
2293
2294         if ((prop = node.property ("mouse-mode"))) {
2295                 MouseMode m = str2mousemode(prop->value());
2296                 set_mouse_mode (m, true);
2297         } else {
2298                 set_mouse_mode (MouseObject, true);
2299         }
2300
2301         if ((prop = node.property ("left-frame")) != 0){
2302                 nframes64_t pos;
2303                 if (sscanf (prop->value().c_str(), "%" PRId64, &pos) == 1) {
2304                         reset_x_origin (pos);
2305                 }
2306         }
2307
2308         if ((prop = node.property ("y-origin")) != 0) {
2309                 reset_y_origin (atof (prop->value ()));
2310         }
2311
2312         if ((prop = node.property ("internal-edit"))) {
2313                 bool yn = string_is_affirmative (prop->value());
2314                 RefPtr<Action> act = ActionManager::get_action (X_("MouseMode"), X_("toggle-internal-edit"));
2315                 if (act) {
2316                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2317                         tact->set_active (!yn);
2318                         tact->set_active (yn);
2319                 }
2320         }
2321
2322         if ((prop = node.property ("join-object-range"))) {
2323                 join_object_range_button.set_active (string_is_affirmative (prop->value ()));
2324         }
2325
2326         if ((prop = node.property ("edit-point"))) {
2327                 set_edit_point_preference ((EditPoint) string_2_enum (prop->value(), _edit_point), true);
2328         }
2329
2330         if ((prop = node.property ("show-measures"))) {
2331                 bool yn = string_is_affirmative (prop->value());
2332                 _show_measures = !yn;
2333                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleMeasureVisibility"));
2334                 if (act) {
2335                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2336                         /* do it twice to force the change */
2337                         tact->set_active (!yn);
2338                         tact->set_active (yn);
2339                 }
2340         }
2341
2342         if ((prop = node.property ("follow-playhead"))) {
2343                 bool yn = string_is_affirmative (prop->value());
2344                 set_follow_playhead (yn);
2345                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
2346                 if (act) {
2347                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2348                         if (tact->get_active() != yn) {
2349                                 tact->set_active (yn);
2350                         }
2351                 }
2352         }
2353
2354         if ((prop = node.property ("stationary-playhead"))) {
2355                 bool yn = (prop->value() == "yes");
2356                 set_stationary_playhead (yn);
2357                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-stationary-playhead"));
2358                 if (act) {
2359                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2360                         if (tact->get_active() != yn) {
2361                                 tact->set_active (yn);
2362                         }
2363                 }
2364         }
2365
2366         if ((prop = node.property ("region-list-sort-type"))) {
2367                 RegionListSortType st;
2368                 _regions->reset_sort_type ((RegionListSortType) string_2_enum (prop->value(), st), true);
2369         }
2370
2371         if ((prop = node.property ("xfades-visible"))) {
2372                 bool yn = string_is_affirmative (prop->value());
2373                 _xfade_visibility = !yn;
2374                 // set_xfade_visibility (yn);
2375         }
2376
2377         if ((prop = node.property ("show-editor-mixer"))) {
2378
2379                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2380                 if (act) {
2381
2382                         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2383                         bool yn = string_is_affirmative (prop->value());
2384
2385                         /* do it twice to force the change */
2386
2387                         tact->set_active (!yn);
2388                         tact->set_active (yn);
2389                 }
2390         }
2391
2392         if ((prop = node.property ("show-editor-list"))) {
2393
2394                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-list"));
2395                 assert(act);
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 (X_("editor-list-page")))) {
2409                 the_notebook.set_current_page (atoi (prop->value ()));
2410         }
2411
2412         if ((prop = node.property (X_("editor-pane-position")))) {
2413                 edit_pane.set_position (atoi (prop->value ()));
2414         }
2415
2416         return 0;
2417 }
2418
2419 XMLNode&
2420 Editor::get_state ()
2421 {
2422         XMLNode* node = new XMLNode ("Editor");
2423         char buf[32];
2424
2425         _id.print (buf, sizeof (buf));
2426         node->add_property ("id", buf);
2427
2428         if (is_realized()) {
2429                 Glib::RefPtr<Gdk::Window> win = get_window();
2430
2431                 int x, y, xoff, yoff, width, height;
2432                 win->get_root_origin(x, y);
2433                 win->get_position(xoff, yoff);
2434                 win->get_size(width, height);
2435
2436                 XMLNode* geometry = new XMLNode ("geometry");
2437
2438                 snprintf(buf, sizeof(buf), "%d", width);
2439                 geometry->add_property("x-size", string(buf));
2440                 snprintf(buf, sizeof(buf), "%d", height);
2441                 geometry->add_property("y-size", string(buf));
2442                 snprintf(buf, sizeof(buf), "%d", x);
2443                 geometry->add_property("x-pos", string(buf));
2444                 snprintf(buf, sizeof(buf), "%d", y);
2445                 geometry->add_property("y-pos", string(buf));
2446                 snprintf(buf, sizeof(buf), "%d", xoff);
2447                 geometry->add_property("x-off", string(buf));
2448                 snprintf(buf, sizeof(buf), "%d", yoff);
2449                 geometry->add_property("y-off", string(buf));
2450                 snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (static_cast<Paned*>(&edit_pane)->gobj()));
2451                 geometry->add_property("edit_pane_pos", string(buf));
2452
2453                 node->add_child_nocopy (*geometry);
2454         }
2455
2456         maybe_add_mixer_strip_width (*node);
2457
2458         snprintf (buf, sizeof(buf), "%d", (int) zoom_focus);
2459         node->add_property ("zoom-focus", buf);
2460         snprintf (buf, sizeof(buf), "%f", frames_per_unit);
2461         node->add_property ("zoom", buf);
2462         snprintf (buf, sizeof(buf), "%d", (int) _snap_type);
2463         node->add_property ("snap-to", buf);
2464         snprintf (buf, sizeof(buf), "%d", (int) _snap_mode);
2465         node->add_property ("snap-mode", buf);
2466
2467         node->add_property ("edit-point", enum_2_string (_edit_point));
2468
2469         snprintf (buf, sizeof (buf), "%" PRIi64, playhead_cursor->current_frame);
2470         node->add_property ("playhead", buf);
2471         snprintf (buf, sizeof (buf), "%" PRIi64, leftmost_frame);
2472         node->add_property ("left-frame", buf);
2473         snprintf (buf, sizeof (buf), "%f", vertical_adjustment.get_value ());
2474         node->add_property ("y-origin", buf);
2475
2476         node->add_property ("show-measures", _show_measures ? "yes" : "no");
2477         node->add_property ("follow-playhead", _follow_playhead ? "yes" : "no");
2478         node->add_property ("stationary-playhead", _stationary_playhead ? "yes" : "no");
2479         node->add_property ("xfades-visible", _xfade_visibility ? "yes" : "no");
2480         node->add_property ("region-list-sort-type", enum_2_string (_regions->sort_type ()));
2481         node->add_property ("mouse-mode", enum2str(mouse_mode));
2482         node->add_property ("internal-edit", _internal_editing ? "yes" : "no");
2483         node->add_property ("join-object-range", join_object_range_button.get_active () ? "yes" : "no");
2484
2485         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2486         if (act) {
2487                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2488                 node->add_property (X_("show-editor-mixer"), tact->get_active() ? "yes" : "no");
2489         }
2490
2491         act = ActionManager::get_action (X_("Editor"), X_("show-editor-list"));
2492         if (act) {
2493                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2494                 node->add_property (X_("show-editor-list"), tact->get_active() ? "yes" : "no");
2495         }
2496
2497         snprintf (buf, sizeof (buf), "%d", the_notebook.get_current_page ());
2498         node->add_property (X_("editor-list-page"), buf);
2499
2500         snprintf (buf, sizeof (buf), "%d", edit_pane.get_position ());
2501         node->add_property (X_("editor-pane-position"), buf);
2502
2503         return *node;
2504 }
2505
2506
2507
2508 /** @param y y offset from the top of all trackviews.
2509  *  @return pair: TimeAxisView that y is over, layer index.
2510  *  TimeAxisView may be 0.  Layer index is the layer number if the TimeAxisView is valid and is
2511  *  in stacked region display mode, otherwise 0.
2512  */
2513 std::pair<TimeAxisView *, layer_t>
2514 Editor::trackview_by_y_position (double y)
2515 {
2516         for (TrackViewList::iterator iter = track_views.begin(); iter != track_views.end(); ++iter) {
2517
2518                 std::pair<TimeAxisView*, int> const r = (*iter)->covers_y_position (y);
2519                 if (r.first) {
2520                         return r;
2521                 }
2522         }
2523
2524         return std::make_pair ( (TimeAxisView *) 0, 0);
2525 }
2526
2527 /** Snap a position to the grid, if appropriate, taking into account current
2528  *  grid settings and also the state of any snap modifier keys that may be pressed.
2529  *  @param start Position to snap.
2530  *  @param event Event to get current key modifier information from, or 0.
2531  */
2532 void
2533 Editor::snap_to_with_modifier (nframes64_t& start, GdkEvent const * event, int32_t direction, bool for_mark)
2534 {
2535         if (!_session || !event) {
2536                 return;
2537         }
2538
2539         if (Keyboard::modifier_state_contains (event->button.state, Keyboard::snap_modifier())) {
2540                 if (_snap_mode == SnapOff) {
2541                         snap_to_internal (start, direction, for_mark);
2542                 }
2543         } else {
2544                 if (_snap_mode != SnapOff) {
2545                         snap_to_internal (start, direction, for_mark);
2546                 }
2547         }
2548 }
2549
2550 void
2551 Editor::snap_to (nframes64_t& start, int32_t direction, bool for_mark)
2552 {
2553         if (!_session || _snap_mode == SnapOff) {
2554                 return;
2555         }
2556
2557         snap_to_internal (start, direction, for_mark);
2558 }
2559
2560 void
2561 Editor::timecode_snap_to_internal (nframes64_t& start, int32_t direction, bool /*for_mark*/)
2562 {
2563         const nframes64_t one_timecode_second = (nframes64_t)(rint(_session->timecode_frames_per_second()) * _session->frames_per_timecode_frame());
2564         nframes64_t one_timecode_minute = (nframes64_t)(rint(_session->timecode_frames_per_second()) * _session->frames_per_timecode_frame() * 60);
2565
2566         switch (_snap_type) {
2567         case SnapToTimecodeFrame:
2568                 if (((direction == 0) && (fmod((double)start, (double)_session->frames_per_timecode_frame()) > (_session->frames_per_timecode_frame() / 2))) || (direction > 0)) {
2569                         start = (nframes64_t) (ceil ((double) start / _session->frames_per_timecode_frame()) * _session->frames_per_timecode_frame());
2570                 } else {
2571                         start = (nframes64_t) (floor ((double) start / _session->frames_per_timecode_frame()) *  _session->frames_per_timecode_frame());
2572                 }
2573                 break;
2574
2575         case SnapToTimecodeSeconds:
2576                 if (_session->timecode_offset_negative())
2577                 {
2578                         start += _session->timecode_offset ();
2579                 } else {
2580                         start -= _session->timecode_offset ();
2581                 }
2582                 if (((direction == 0) && (start % one_timecode_second > one_timecode_second / 2)) || direction > 0) {
2583                         start = (nframes64_t) ceil ((double) start / one_timecode_second) * one_timecode_second;
2584                 } else {
2585                         start = (nframes64_t) floor ((double) start / one_timecode_second) * one_timecode_second;
2586                 }
2587
2588                 if (_session->timecode_offset_negative())
2589                 {
2590                         start -= _session->timecode_offset ();
2591                 } else {
2592                         start += _session->timecode_offset ();
2593                 }
2594                 break;
2595
2596         case SnapToTimecodeMinutes:
2597                 if (_session->timecode_offset_negative())
2598                 {
2599                         start += _session->timecode_offset ();
2600                 } else {
2601                         start -= _session->timecode_offset ();
2602                 }
2603                 if (((direction == 0) && (start % one_timecode_minute > one_timecode_minute / 2)) || direction > 0) {
2604                         start = (nframes64_t) ceil ((double) start / one_timecode_minute) * one_timecode_minute;
2605                 } else {
2606                         start = (nframes64_t) floor ((double) start / one_timecode_minute) * one_timecode_minute;
2607                 }
2608                 if (_session->timecode_offset_negative())
2609                 {
2610                         start -= _session->timecode_offset ();
2611                 } else {
2612                         start += _session->timecode_offset ();
2613                 }
2614                 break;
2615         default:
2616                 fatal << "Editor::smpte_snap_to_internal() called with non-timecode snap type!" << endmsg;
2617                 /*NOTREACHED*/
2618         }
2619 }
2620
2621 void
2622 Editor::snap_to_internal (nframes64_t& start, int32_t direction, bool for_mark)
2623 {
2624         const nframes64_t one_second = _session->frame_rate();
2625         const nframes64_t one_minute = _session->frame_rate() * 60;
2626         nframes64_t presnap = start;
2627         nframes64_t before;
2628         nframes64_t after;
2629
2630         switch (_snap_type) {
2631         case SnapToTimecodeFrame:
2632         case SnapToTimecodeSeconds:
2633         case SnapToTimecodeMinutes:
2634                 return timecode_snap_to_internal (start, direction, for_mark);
2635
2636         case SnapToCDFrame:
2637                 if (((direction == 0) && (start % (one_second/75) > (one_second/75) / 2)) || (direction > 0)) {
2638                         start = (nframes64_t) ceil ((double) start / (one_second / 75)) * (one_second / 75);
2639                 } else {
2640                         start = (nframes64_t) floor ((double) start / (one_second / 75)) * (one_second / 75);
2641                 }
2642                 break;
2643
2644         case SnapToSeconds:
2645                 if (((direction == 0) && (start % one_second > one_second / 2)) || (direction > 0)) {
2646                         start = (nframes64_t) ceil ((double) start / one_second) * one_second;
2647                 } else {
2648                         start = (nframes64_t) floor ((double) start / one_second) * one_second;
2649                 }
2650                 break;
2651
2652         case SnapToMinutes:
2653                 if (((direction == 0) && (start % one_minute > one_minute / 2)) || (direction > 0)) {
2654                         start = (nframes64_t) ceil ((double) start / one_minute) * one_minute;
2655                 } else {
2656                         start = (nframes64_t) floor ((double) start / one_minute) * one_minute;
2657                 }
2658                 break;
2659
2660         case SnapToBar:
2661                 start = _session->tempo_map().round_to_bar (start, direction);
2662                 break;
2663
2664         case SnapToBeat:
2665                 start = _session->tempo_map().round_to_beat (start, direction);
2666                 break;
2667
2668         case SnapToAThirtysecondBeat:
2669                 start = _session->tempo_map().round_to_beat_subdivision (start, 32, direction);
2670                 break;
2671
2672         case SnapToASixteenthBeat:
2673                 start = _session->tempo_map().round_to_beat_subdivision (start, 16, direction);
2674                 break;
2675
2676         case SnapToAEighthBeat:
2677                 start = _session->tempo_map().round_to_beat_subdivision (start, 8, direction);
2678                 break;
2679
2680         case SnapToAQuarterBeat:
2681                 start = _session->tempo_map().round_to_beat_subdivision (start, 4, direction);
2682                 break;
2683
2684         case SnapToAThirdBeat:
2685                 start = _session->tempo_map().round_to_beat_subdivision (start, 3, direction);
2686                 break;
2687
2688         case SnapToMark:
2689                 if (for_mark) {
2690                         return;
2691                 }
2692
2693                 _session->locations()->marks_either_side (start, before, after);
2694
2695                 if (before == max_frames) {
2696                         start = after;
2697                 } else if (after == max_frames) {
2698                         start = before;
2699                 } else if (before != max_frames && after != max_frames) {
2700                         /* have before and after */
2701                         if ((start - before) < (after - start)) {
2702                                 start = before;
2703                         } else {
2704                                 start = after;
2705                         }
2706                 }
2707
2708                 break;
2709
2710         case SnapToRegionStart:
2711         case SnapToRegionEnd:
2712         case SnapToRegionSync:
2713         case SnapToRegionBoundary:
2714                 if (!region_boundary_cache.empty()) {
2715
2716                         vector<nframes64_t>::iterator prev = region_boundary_cache.end ();
2717                         vector<nframes64_t>::iterator next = region_boundary_cache.end ();
2718
2719                         if (direction > 0) {
2720                                 next = std::upper_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2721                         } else {
2722                                 next = std::lower_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2723                         }
2724
2725                         if (next != region_boundary_cache.begin ()) {
2726                                 prev = next;
2727                                 prev--;
2728                         }
2729
2730                         nframes64_t const p = (prev == region_boundary_cache.end()) ? region_boundary_cache.front () : *prev;
2731                         nframes64_t const n = (next == region_boundary_cache.end()) ? region_boundary_cache.back () : *next;
2732
2733                         if (start > (p + n) / 2) {
2734                                 start = n;
2735                         } else {
2736                                 start = p;
2737                         }
2738                 }
2739                 break;
2740         }
2741
2742         switch (_snap_mode) {
2743         case SnapNormal:
2744                 return;
2745
2746         case SnapMagnetic:
2747
2748                 if (presnap > start) {
2749                         if (presnap > (start + unit_to_frame(snap_threshold))) {
2750                                 start = presnap;
2751                         }
2752
2753                 } else if (presnap < start) {
2754                         if (presnap < (start - unit_to_frame(snap_threshold))) {
2755                                 start = presnap;
2756                         }
2757                 }
2758
2759         default:
2760                 /* handled at entry */
2761                 return;
2762
2763         }
2764 }
2765
2766
2767 void
2768 Editor::setup_toolbar ()
2769 {
2770         string pixmap_path;
2771
2772         /* Mode Buttons (tool selection) */
2773
2774         mouse_move_button.set_relief(Gtk::RELIEF_NONE);
2775         mouse_select_button.set_relief(Gtk::RELIEF_NONE);
2776         mouse_gain_button.set_relief(Gtk::RELIEF_NONE);
2777         mouse_zoom_button.set_relief(Gtk::RELIEF_NONE);
2778         mouse_timefx_button.set_relief(Gtk::RELIEF_NONE);
2779         mouse_audition_button.set_relief(Gtk::RELIEF_NONE);
2780         // internal_edit_button.set_relief(Gtk::RELIEF_NONE);
2781         join_object_range_button.set_relief(Gtk::RELIEF_NONE);
2782
2783         HBox* mode_box = manage(new HBox);
2784         mode_box->set_border_width (2);
2785         mode_box->set_spacing(4);
2786
2787         /* table containing mode buttons */
2788
2789         HBox* mouse_mode_button_box = manage (new HBox ());
2790
2791         if (Profile->get_sae()) {
2792                 mouse_mode_button_box->pack_start (mouse_move_button);
2793         } else {
2794                 mouse_mode_button_box->pack_start (mouse_move_button);
2795                 mouse_mode_button_box->pack_start (join_object_range_button);
2796                 mouse_mode_button_box->pack_start (mouse_select_button);
2797         }
2798
2799         mouse_mode_button_box->pack_start (mouse_zoom_button);
2800
2801         if (!Profile->get_sae()) {
2802                 mouse_mode_button_box->pack_start (mouse_gain_button);
2803         }
2804
2805         mouse_mode_button_box->pack_start (mouse_timefx_button);
2806         mouse_mode_button_box->pack_start (mouse_audition_button);
2807         mouse_mode_button_box->pack_start (internal_edit_button);
2808
2809         vector<string> edit_mode_strings;
2810         edit_mode_strings.push_back (edit_mode_to_string (Slide));
2811         if (!Profile->get_sae()) {
2812                 edit_mode_strings.push_back (edit_mode_to_string (Splice));
2813         }
2814         edit_mode_strings.push_back (edit_mode_to_string (Lock));
2815
2816         edit_mode_selector.set_name ("EditModeSelector");
2817         set_popdown_strings (edit_mode_selector, edit_mode_strings, true);
2818         edit_mode_selector.signal_changed().connect (sigc::mem_fun(*this, &Editor::edit_mode_selection_done));
2819
2820         mode_box->pack_start (edit_mode_selector);
2821         mode_box->pack_start (*mouse_mode_button_box);
2822
2823         _mouse_mode_tearoff = manage (new TearOff (*mode_box));
2824         _mouse_mode_tearoff->set_name ("MouseModeBase");
2825         _mouse_mode_tearoff->tearoff_window().signal_key_press_event().connect (sigc::bind (sigc::ptr_fun (relay_key_press), &_mouse_mode_tearoff->tearoff_window()), false);
2826
2827         if (Profile->get_sae()) {
2828                 _mouse_mode_tearoff->set_can_be_torn_off (false);
2829         }
2830
2831         _mouse_mode_tearoff->Detach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2832                                                          &_mouse_mode_tearoff->tearoff_window()));
2833         _mouse_mode_tearoff->Attach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2834                                                          &_mouse_mode_tearoff->tearoff_window(), 1));
2835         _mouse_mode_tearoff->Hidden.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2836                                                          &_mouse_mode_tearoff->tearoff_window()));
2837         _mouse_mode_tearoff->Visible.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2838                                                           &_mouse_mode_tearoff->tearoff_window(), 1));
2839
2840         mouse_move_button.set_mode (false);
2841         mouse_select_button.set_mode (false);
2842         mouse_gain_button.set_mode (false);
2843         mouse_zoom_button.set_mode (false);
2844         mouse_timefx_button.set_mode (false);
2845         mouse_audition_button.set_mode (false);
2846         join_object_range_button.set_mode (false);
2847
2848         mouse_move_button.set_name ("MouseModeButton");
2849         mouse_select_button.set_name ("MouseModeButton");
2850         mouse_gain_button.set_name ("MouseModeButton");
2851         mouse_zoom_button.set_name ("MouseModeButton");
2852         mouse_timefx_button.set_name ("MouseModeButton");
2853         mouse_audition_button.set_name ("MouseModeButton");
2854         internal_edit_button.set_name ("MouseModeButton");
2855         join_object_range_button.set_name ("MouseModeButton");
2856
2857         mouse_move_button.unset_flags (CAN_FOCUS);
2858         mouse_select_button.unset_flags (CAN_FOCUS);
2859         mouse_gain_button.unset_flags (CAN_FOCUS);
2860         mouse_zoom_button.unset_flags (CAN_FOCUS);
2861         mouse_timefx_button.unset_flags (CAN_FOCUS);
2862         mouse_audition_button.unset_flags (CAN_FOCUS);
2863         internal_edit_button.unset_flags (CAN_FOCUS);
2864         join_object_range_button.unset_flags (CAN_FOCUS);
2865
2866         /* Zoom */
2867
2868         zoom_box.set_spacing (1);
2869         zoom_box.set_border_width (0);
2870
2871         zoom_in_button.set_name ("EditorTimeButton");
2872         zoom_in_button.set_image (*(manage (new Image (Stock::ZOOM_IN, Gtk::ICON_SIZE_MENU))));
2873         zoom_in_button.signal_clicked().connect (sigc::bind (sigc::mem_fun(*this, &Editor::temporal_zoom_step), false));
2874
2875         zoom_out_button.set_name ("EditorTimeButton");
2876         zoom_out_button.set_image (*(manage (new Image (Stock::ZOOM_OUT, Gtk::ICON_SIZE_MENU))));
2877         zoom_out_button.signal_clicked().connect (sigc::bind (sigc::mem_fun(*this, &Editor::temporal_zoom_step), true));
2878
2879         zoom_out_full_button.set_name ("EditorTimeButton");
2880         zoom_out_full_button.set_image (*(manage (new Image (Stock::ZOOM_100, Gtk::ICON_SIZE_MENU))));
2881         zoom_out_full_button.signal_clicked().connect (sigc::mem_fun(*this, &Editor::temporal_zoom_session));
2882
2883         zoom_focus_selector.set_name ("ZoomFocusSelector");
2884         set_popdown_strings (zoom_focus_selector, zoom_focus_strings, true);
2885         zoom_focus_selector.signal_changed().connect (sigc::mem_fun(*this, &Editor::zoom_focus_selection_done));
2886
2887         zoom_box.pack_start (zoom_out_button, false, false);
2888         zoom_box.pack_start (zoom_in_button, false, false);
2889         zoom_box.pack_start (zoom_out_full_button, false, false);
2890
2891         /* Track zoom buttons */
2892         tav_expand_button.set_name ("TrackHeightButton");
2893         tav_expand_button.set_size_request(-1,20);
2894         tav_expand_button.add (*(manage (new Image (::get_icon("tav_exp")))));
2895         tav_expand_button.signal_clicked().connect (sigc::bind (sigc::mem_fun(*this, &Editor::tav_zoom_step), true));
2896
2897         tav_shrink_button.set_name ("TrackHeightButton");
2898         tav_shrink_button.set_size_request(-1,20);
2899         tav_shrink_button.add (*(manage (new Image (::get_icon("tav_shrink")))));
2900         tav_shrink_button.signal_clicked().connect (sigc::bind (sigc::mem_fun(*this, &Editor::tav_zoom_step), false));
2901
2902         track_zoom_box.set_spacing (1);
2903         track_zoom_box.set_border_width (0);
2904
2905         track_zoom_box.pack_start (tav_shrink_button, false, false);
2906         track_zoom_box.pack_start (tav_expand_button, false, false);
2907
2908         HBox* zbc = manage (new HBox);
2909         zbc->pack_start (zoom_focus_selector, PACK_SHRINK);
2910         zoom_vbox.pack_start (*zbc, PACK_SHRINK);
2911         zoom_vbox.pack_start (zoom_box, PACK_SHRINK);
2912         zoom_vbox.pack_start (track_zoom_box, PACK_SHRINK);
2913
2914         snap_box.set_spacing (1);
2915         snap_box.set_border_width (2);
2916
2917         snap_type_selector.set_name ("SnapTypeSelector");
2918         set_popdown_strings (snap_type_selector, snap_type_strings, true);
2919         snap_type_selector.signal_changed().connect (sigc::mem_fun(*this, &Editor::snap_type_selection_done));
2920
2921         snap_mode_selector.set_name ("SnapModeSelector");
2922         set_popdown_strings (snap_mode_selector, snap_mode_strings, true);
2923         snap_mode_selector.signal_changed().connect (sigc::mem_fun(*this, &Editor::snap_mode_selection_done));
2924
2925         edit_point_selector.set_name ("EditPointSelector");
2926         set_popdown_strings (edit_point_selector, edit_point_strings, true);
2927         edit_point_selector.signal_changed().connect (sigc::mem_fun(*this, &Editor::edit_point_selection_done));
2928
2929         snap_box.pack_start (snap_mode_selector, false, false);
2930         snap_box.pack_start (snap_type_selector, false, false);
2931         snap_box.pack_start (edit_point_selector, false, false);
2932
2933         /* Nudge */
2934
2935         HBox *nudge_box = manage (new HBox);
2936         nudge_box->set_spacing(1);
2937         nudge_box->set_border_width (2);
2938
2939         nudge_forward_button.signal_button_release_event().connect (sigc::mem_fun(*this, &Editor::nudge_forward_release), false);
2940         nudge_backward_button.signal_button_release_event().connect (sigc::mem_fun(*this, &Editor::nudge_backward_release), false);
2941
2942         nudge_box->pack_start (nudge_backward_button, false, false);
2943         nudge_box->pack_start (nudge_forward_button, false, false);
2944         nudge_box->pack_start (nudge_clock, false, false);
2945
2946
2947         /* Pack everything in... */
2948
2949         HBox* hbox = manage (new HBox);
2950         hbox->set_spacing(10);
2951
2952         _tools_tearoff = manage (new TearOff (*hbox));
2953         _tools_tearoff->set_name ("MouseModeBase");
2954         _tools_tearoff->tearoff_window().signal_key_press_event().connect (sigc::bind (sigc::ptr_fun (relay_key_press), &_tools_tearoff->tearoff_window()), false);
2955
2956         if (Profile->get_sae()) {
2957                 _tools_tearoff->set_can_be_torn_off (false);
2958         }
2959
2960         _tools_tearoff->Detach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2961                                                     &_tools_tearoff->tearoff_window()));
2962         _tools_tearoff->Attach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2963                                                     &_tools_tearoff->tearoff_window(), 0));
2964         _tools_tearoff->Hidden.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2965                                                     &_tools_tearoff->tearoff_window()));
2966         _tools_tearoff->Visible.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2967                                                      &_tools_tearoff->tearoff_window(), 0));
2968
2969         toolbar_hbox.set_spacing (10);
2970         toolbar_hbox.set_border_width (1);
2971
2972         toolbar_hbox.pack_start (*_mouse_mode_tearoff, false, false);
2973         toolbar_hbox.pack_start (*_tools_tearoff, false, false);
2974
2975         hbox->pack_start (snap_box, false, false);
2976         hbox->pack_start (*nudge_box, false, false);
2977         hbox->pack_start (panic_box, false, false);
2978
2979         hbox->show_all ();
2980
2981         toolbar_base.set_name ("ToolBarBase");
2982         toolbar_base.add (toolbar_hbox);
2983
2984         toolbar_frame.set_shadow_type (SHADOW_OUT);
2985         toolbar_frame.set_name ("BaseFrame");
2986         toolbar_frame.add (toolbar_base);
2987 }
2988
2989 void
2990 Editor::setup_tooltips ()
2991 {
2992         ARDOUR_UI::instance()->set_tip (mouse_move_button, _("Select/Move Objects"));
2993         ARDOUR_UI::instance()->set_tip (mouse_select_button, _("Select/Move Ranges"));
2994         ARDOUR_UI::instance()->set_tip (mouse_gain_button, _("Draw Gain Automation"));
2995         ARDOUR_UI::instance()->set_tip (mouse_zoom_button, _("Select Zoom Range"));
2996         ARDOUR_UI::instance()->set_tip (mouse_timefx_button, _("Stretch/Shrink Regions"));
2997         ARDOUR_UI::instance()->set_tip (mouse_audition_button, _("Listen to Specific Regions"));
2998         ARDOUR_UI::instance()->set_tip (join_object_range_button, _("Select/Move Objects or Ranges"));
2999         ARDOUR_UI::instance()->set_tip (internal_edit_button, _("Edit Region Contents (e.g. notes)"));
3000         ARDOUR_UI::instance()->set_tip (*_group_tabs, _("Groups: context-click for possible operations"));
3001         ARDOUR_UI::instance()->set_tip (nudge_forward_button, _("Nudge Region/Selection Forwards"));
3002         ARDOUR_UI::instance()->set_tip (nudge_backward_button, _("Nudge Region/Selection Backwards"));
3003         ARDOUR_UI::instance()->set_tip (zoom_in_button, _("Zoom In"));
3004         ARDOUR_UI::instance()->set_tip (zoom_out_button, _("Zoom Out"));
3005         ARDOUR_UI::instance()->set_tip (zoom_out_full_button, _("Zoom to Session"));
3006         ARDOUR_UI::instance()->set_tip (zoom_focus_selector, _("Zoom focus"));
3007         ARDOUR_UI::instance()->set_tip (tav_expand_button, _("Expand Tracks"));
3008         ARDOUR_UI::instance()->set_tip (tav_shrink_button, _("Shrink Tracks"));
3009         ARDOUR_UI::instance()->set_tip (snap_type_selector, _("Snap/Grid Units"));
3010         ARDOUR_UI::instance()->set_tip (snap_mode_selector, _("Snap/Grid Mode"));
3011         ARDOUR_UI::instance()->set_tip (edit_point_selector, _("Edit point"));
3012         ARDOUR_UI::instance()->set_tip (midi_sound_notes, _("Sound Notes"));
3013         ARDOUR_UI::instance()->set_tip (midi_panic_button, _("Send note off and reset controller messages on all MIDI channels"));
3014 }
3015
3016 void
3017 Editor::midi_panic ()
3018 {
3019         cerr << "MIDI panic\n";
3020
3021         if (_session) {
3022                 _session->midi_panic();
3023         }
3024 }
3025
3026 void
3027 Editor::setup_midi_toolbar ()
3028 {
3029         RefPtr<Action> act;
3030
3031         /* Midi sound notes */
3032         midi_sound_notes.add (*(manage (new Image (::get_icon("midi_sound_notes")))));
3033         midi_sound_notes.set_relief(Gtk::RELIEF_NONE);
3034         midi_sound_notes.unset_flags (CAN_FOCUS);
3035
3036         /* Panic */
3037
3038         act = ActionManager::get_action (X_("MIDI"), X_("panic"));
3039         midi_panic_button.set_name("MidiPanicButton");
3040         act->connect_proxy (midi_panic_button);
3041
3042         panic_box.pack_start (midi_sound_notes , true, true);
3043         panic_box.pack_start (midi_panic_button, true, true);
3044 }
3045
3046 int
3047 Editor::convert_drop_to_paths (
3048                 vector<ustring>&                paths,
3049                 const RefPtr<Gdk::DragContext>& /*context*/,
3050                 gint                            /*x*/,
3051                 gint                            /*y*/,
3052                 const SelectionData&            data,
3053                 guint                           /*info*/,
3054                 guint                           /*time*/)
3055 {
3056         if (_session == 0) {
3057                 return -1;
3058         }
3059
3060         vector<ustring> uris = data.get_uris();
3061
3062         if (uris.empty()) {
3063
3064                 /* This is seriously fucked up. Nautilus doesn't say that its URI lists
3065                    are actually URI lists. So do it by hand.
3066                 */
3067
3068                 if (data.get_target() != "text/plain") {
3069                         return -1;
3070                 }
3071
3072                 /* Parse the "uri-list" format that Nautilus provides,
3073                    where each pathname is delimited by \r\n.
3074
3075                    THERE MAY BE NO NULL TERMINATING CHAR!!!
3076                 */
3077
3078                 ustring txt = data.get_text();
3079                 const char* p;
3080                 const char* q;
3081
3082                 p = (const char *) malloc (txt.length() + 1);
3083                 txt.copy ((char *) p, txt.length(), 0);
3084                 ((char*)p)[txt.length()] = '\0';
3085
3086                 while (p)
3087                 {
3088                         if (*p != '#')
3089                         {
3090                                 while (g_ascii_isspace (*p))
3091                                         p++;
3092
3093                                 q = p;
3094                                 while (*q && (*q != '\n') && (*q != '\r')) {
3095                                         q++;
3096                                 }
3097
3098                                 if (q > p)
3099                                 {
3100                                         q--;
3101                                         while (q > p && g_ascii_isspace (*q))
3102                                                 q--;
3103
3104                                         if (q > p)
3105                                         {
3106                                                 uris.push_back (ustring (p, q - p + 1));
3107                                         }
3108                                 }
3109                         }
3110                         p = strchr (p, '\n');
3111                         if (p)
3112                                 p++;
3113                 }
3114
3115                 free ((void*)p);
3116
3117                 if (uris.empty()) {
3118                         return -1;
3119                 }
3120         }
3121
3122         for (vector<ustring>::iterator i = uris.begin(); i != uris.end(); ++i) {
3123
3124                 if ((*i).substr (0,7) == "file://") {
3125
3126                         ustring p = *i;
3127                         PBD::url_decode (p);
3128
3129                         // scan forward past three slashes
3130
3131                         ustring::size_type slashcnt = 0;
3132                         ustring::size_type n = 0;
3133                         ustring::iterator x = p.begin();
3134
3135                         while (slashcnt < 3 && x != p.end()) {
3136                                 if ((*x) == '/') {
3137                                         slashcnt++;
3138                                 } else if (slashcnt == 3) {
3139                                         break;
3140                                 }
3141                                 ++n;
3142                                 ++x;
3143                         }
3144
3145                         if (slashcnt != 3 || x == p.end()) {
3146                                 error << _("malformed URL passed to drag-n-drop code") << endmsg;
3147                                 continue;
3148                         }
3149
3150                         paths.push_back (p.substr (n - 1));
3151                 }
3152         }
3153
3154         return 0;
3155 }
3156
3157 void
3158 Editor::new_tempo_section ()
3159
3160 {
3161 }
3162
3163 void
3164 Editor::map_transport_state ()
3165 {
3166         ENSURE_GUI_THREAD (*this, &Editor::map_transport_state)
3167
3168         if (_session && _session->transport_stopped()) {
3169                 have_pending_keyboard_selection = false;
3170         }
3171
3172         update_loop_range_view (true);
3173 }
3174
3175 /* UNDO/REDO */
3176
3177 Editor::State::State (PublicEditor const * e)
3178 {
3179         selection = new Selection (e);
3180 }
3181
3182 Editor::State::~State ()
3183 {
3184         delete selection;
3185 }
3186
3187 void
3188 Editor::begin_reversible_command (string name)
3189 {
3190         if (_session) {
3191                 _session->begin_reversible_command (name);
3192         }
3193 }
3194
3195 void
3196 Editor::commit_reversible_command ()
3197 {
3198         if (_session) {
3199                 _session->commit_reversible_command ();
3200         }
3201 }
3202
3203 void
3204 Editor::set_route_group_solo (Route& route, bool yn)
3205 {
3206         RouteGroup *route_group;
3207
3208         if ((route_group = route.route_group()) != 0) {
3209                 route_group->apply (&Route::set_solo, yn, this);
3210         } else {
3211                 route.set_solo (yn, this);
3212         }
3213 }
3214
3215 void
3216 Editor::set_route_group_mute (Route& route, bool yn)
3217 {
3218         RouteGroup *route_group = 0;
3219
3220         if ((route_group = route.route_group()) != 0) {
3221                 route_group->apply (&Route::set_mute, yn, this);
3222         } else {
3223                 route.set_mute (yn, this);
3224         }
3225 }
3226
3227 void
3228 Editor::history_changed ()
3229 {
3230         string label;
3231
3232         if (undo_action && _session) {
3233                 if (_session->undo_depth() == 0) {
3234                         label = _("Undo");
3235                 } else {
3236                         label = string_compose(_("Undo (%1)"), _session->next_undo());
3237                 }
3238                 undo_action->property_label() = label;
3239         }
3240
3241         if (redo_action && _session) {
3242                 if (_session->redo_depth() == 0) {
3243                         label = _("Redo");
3244                 } else {
3245                         label = string_compose(_("Redo (%1)"), _session->next_redo());
3246                 }
3247                 redo_action->property_label() = label;
3248         }
3249 }
3250
3251 void
3252 Editor::duplicate_dialog (bool with_dialog)
3253 {
3254         float times = 1.0f;
3255
3256         if (mouse_mode == MouseRange) {
3257                 if (selection->time.length() == 0) {
3258                         return;
3259                 }
3260         }
3261
3262         RegionSelection rs;
3263         get_regions_for_action (rs);
3264
3265         if (mouse_mode != MouseRange) {
3266
3267                 if (rs.empty()) {
3268                         return;
3269                 }
3270         }
3271
3272         if (with_dialog) {
3273
3274                 ArdourDialog win (_("Duplicate"));
3275                 Label label (_("Number of duplications:"));
3276                 Adjustment adjustment (1.0, 1.0, 1000000.0, 1.0, 5.0);
3277                 SpinButton spinner (adjustment, 0.0, 1);
3278                 HBox hbox;
3279
3280                 win.get_vbox()->set_spacing (12);
3281                 win.get_vbox()->pack_start (hbox);
3282                 hbox.set_border_width (6);
3283                 hbox.pack_start (label, PACK_EXPAND_PADDING, 12);
3284
3285                 /* dialogs have ::add_action_widget() but that puts the spinner in the wrong
3286                    place, visually. so do this by hand.
3287                 */
3288
3289                 hbox.pack_start (spinner, PACK_EXPAND_PADDING, 12);
3290                 spinner.signal_activate().connect (sigc::bind (sigc::mem_fun (win, &ArdourDialog::response), RESPONSE_ACCEPT));
3291                 spinner.grab_focus();
3292
3293                 hbox.show ();
3294                 label.show ();
3295                 spinner.show ();
3296
3297                 win.add_button (Stock::CANCEL, RESPONSE_CANCEL);
3298                 win.add_button (_("Duplicate"), RESPONSE_ACCEPT);
3299                 win.set_default_response (RESPONSE_ACCEPT);
3300
3301                 win.set_position (WIN_POS_MOUSE);
3302
3303                 spinner.grab_focus ();
3304
3305                 switch (win.run ()) {
3306                 case RESPONSE_ACCEPT:
3307                         break;
3308                 default:
3309                         return;
3310                 }
3311
3312                 times = adjustment.get_value();
3313         }
3314
3315         if (mouse_mode == MouseRange) {
3316                 duplicate_selection (times);
3317         } else {
3318                 duplicate_some_regions (rs, times);
3319         }
3320 }
3321
3322 void
3323 Editor::show_verbose_canvas_cursor ()
3324 {
3325         verbose_canvas_cursor->raise_to_top();
3326         verbose_canvas_cursor->show();
3327         verbose_cursor_visible = true;
3328 }
3329
3330 void
3331 Editor::hide_verbose_canvas_cursor ()
3332 {
3333         verbose_canvas_cursor->hide();
3334         verbose_cursor_visible = false;
3335 }
3336
3337 double
3338 Editor::clamp_verbose_cursor_x (double x)
3339 {
3340         if (x < 0) {
3341                 x = 0;
3342         } else {
3343                 x = min (_canvas_width - 200.0, x);
3344         }
3345         return x;
3346 }
3347
3348 double
3349 Editor::clamp_verbose_cursor_y (double y)
3350 {
3351         if (y < canvas_timebars_vsize) {
3352                 y = canvas_timebars_vsize;
3353         } else {
3354                 y = min (_canvas_height - 50, y);
3355         }
3356         return y;
3357 }
3358
3359 void
3360 Editor::show_verbose_canvas_cursor_with (const string & txt)
3361 {
3362         verbose_canvas_cursor->property_text() = txt.c_str();
3363
3364         int x, y;
3365         double wx, wy;
3366
3367         track_canvas->get_pointer (x, y);
3368         track_canvas->window_to_world (x, y, wx, wy);
3369
3370         /* don't get too close to the edge */
3371         verbose_canvas_cursor->property_x() = clamp_verbose_cursor_x (wx);
3372         verbose_canvas_cursor->property_y() = clamp_verbose_cursor_y (wy);
3373
3374         show_verbose_canvas_cursor ();
3375 }
3376
3377 void
3378 Editor::set_verbose_canvas_cursor (const string & txt, double x, double y)
3379 {
3380         verbose_canvas_cursor->property_text() = txt.c_str();
3381         /* don't get too close to the edge */
3382         verbose_canvas_cursor->property_x() = clamp_verbose_cursor_x (x);
3383         verbose_canvas_cursor->property_y() = clamp_verbose_cursor_y (y);
3384 }
3385
3386 void
3387 Editor::set_verbose_canvas_cursor_text (const string & txt)
3388 {
3389         verbose_canvas_cursor->property_text() = txt.c_str();
3390 }
3391
3392 void
3393 Editor::set_edit_mode (EditMode m)
3394 {
3395         Config->set_edit_mode (m);
3396 }
3397
3398 void
3399 Editor::cycle_edit_mode ()
3400 {
3401         switch (Config->get_edit_mode()) {
3402         case Slide:
3403                 if (Profile->get_sae()) {
3404                         Config->set_edit_mode (Lock);
3405                 } else {
3406                         Config->set_edit_mode (Splice);
3407                 }
3408                 break;
3409         case Splice:
3410                 Config->set_edit_mode (Lock);
3411                 break;
3412         case Lock:
3413                 Config->set_edit_mode (Slide);
3414                 break;
3415         }
3416 }
3417
3418 void
3419 Editor::edit_mode_selection_done ()
3420 {
3421         if (_session == 0) {
3422                 return;
3423         }
3424
3425         string choice = edit_mode_selector.get_active_text();
3426         EditMode mode = Slide;
3427
3428         if (choice == _("Splice Edit")) {
3429                 mode = Splice;
3430         } else if (choice == _("Slide Edit")) {
3431                 mode = Slide;
3432         } else if (choice == _("Lock Edit")) {
3433                 mode = Lock;
3434         }
3435
3436         Config->set_edit_mode (mode);
3437 }
3438
3439 void
3440 Editor::snap_type_selection_done ()
3441 {
3442         string choice = snap_type_selector.get_active_text();
3443         SnapType snaptype = SnapToBeat;
3444
3445         if (choice == _("Beats/3")) {
3446                 snaptype = SnapToAThirdBeat;
3447         } else if (choice == _("Beats/4")) {
3448                 snaptype = SnapToAQuarterBeat;
3449         } else if (choice == _("Beats/8")) {
3450                 snaptype = SnapToAEighthBeat;
3451         } else if (choice == _("Beats/16")) {
3452                 snaptype = SnapToASixteenthBeat;
3453         } else if (choice == _("Beats/32")) {
3454                 snaptype = SnapToAThirtysecondBeat;
3455         } else if (choice == _("Beats")) {
3456                 snaptype = SnapToBeat;
3457         } else if (choice == _("Bars")) {
3458                 snaptype = SnapToBar;
3459         } else if (choice == _("Marks")) {
3460                 snaptype = SnapToMark;
3461         } else if (choice == _("Region starts")) {
3462                 snaptype = SnapToRegionStart;
3463         } else if (choice == _("Region ends")) {
3464                 snaptype = SnapToRegionEnd;
3465         } else if (choice == _("Region bounds")) {
3466                 snaptype = SnapToRegionBoundary;
3467         } else if (choice == _("Region syncs")) {
3468                 snaptype = SnapToRegionSync;
3469         } else if (choice == _("CD Frames")) {
3470                 snaptype = SnapToCDFrame;
3471         } else if (choice == _("Timecode Frames")) {
3472                 snaptype = SnapToTimecodeFrame;
3473         } else if (choice == _("Timecode Seconds")) {
3474                 snaptype = SnapToTimecodeSeconds;
3475         } else if (choice == _("Timecode Minutes")) {
3476                 snaptype = SnapToTimecodeMinutes;
3477         } else if (choice == _("Seconds")) {
3478                 snaptype = SnapToSeconds;
3479         } else if (choice == _("Minutes")) {
3480                 snaptype = SnapToMinutes;
3481         }
3482
3483         RefPtr<RadioAction> ract = snap_type_action (snaptype);
3484         if (ract) {
3485                 ract->set_active ();
3486         }
3487 }
3488
3489 void
3490 Editor::snap_mode_selection_done ()
3491 {
3492         string choice = snap_mode_selector.get_active_text();
3493         SnapMode mode = SnapNormal;
3494
3495         if (choice == _("No Grid")) {
3496                 mode = SnapOff;
3497         } else if (choice == _("Grid")) {
3498                 mode = SnapNormal;
3499         } else if (choice == _("Magnetic")) {
3500                 mode = SnapMagnetic;
3501         }
3502
3503         RefPtr<RadioAction> ract = snap_mode_action (mode);
3504
3505         if (ract) {
3506                 ract->set_active (true);
3507         }
3508 }
3509
3510 void
3511 Editor::cycle_edit_point (bool with_marker)
3512 {
3513         switch (_edit_point) {
3514         case EditAtMouse:
3515                 set_edit_point_preference (EditAtPlayhead);
3516                 break;
3517         case EditAtPlayhead:
3518                 if (with_marker) {
3519                         set_edit_point_preference (EditAtSelectedMarker);
3520                 } else {
3521                         set_edit_point_preference (EditAtMouse);
3522                 }
3523                 break;
3524         case EditAtSelectedMarker:
3525                 set_edit_point_preference (EditAtMouse);
3526                 break;
3527         }
3528 }
3529
3530 void
3531 Editor::edit_point_selection_done ()
3532 {
3533         string choice = edit_point_selector.get_active_text();
3534         EditPoint ep = EditAtSelectedMarker;
3535
3536         if (choice == _("Marker")) {
3537                 set_edit_point_preference (EditAtSelectedMarker);
3538         } else if (choice == _("Playhead")) {
3539                 set_edit_point_preference (EditAtPlayhead);
3540         } else {
3541                 set_edit_point_preference (EditAtMouse);
3542         }
3543
3544         RefPtr<RadioAction> ract = edit_point_action (ep);
3545
3546         if (ract) {
3547                 ract->set_active (true);
3548         }
3549 }
3550
3551 void
3552 Editor::zoom_focus_selection_done ()
3553 {
3554         string choice = zoom_focus_selector.get_active_text();
3555         ZoomFocus focus_type = ZoomFocusLeft;
3556
3557         if (choice == _("Left")) {
3558                 focus_type = ZoomFocusLeft;
3559         } else if (choice == _("Right")) {
3560                 focus_type = ZoomFocusRight;
3561         } else if (choice == _("Center")) {
3562                 focus_type = ZoomFocusCenter;
3563         } else if (choice == _("Playhead")) {
3564                 focus_type = ZoomFocusPlayhead;
3565         } else if (choice == _("Mouse")) {
3566                 focus_type = ZoomFocusMouse;
3567         } else if (choice == _("Edit point")) {
3568                 focus_type = ZoomFocusEdit;
3569         }
3570
3571         RefPtr<RadioAction> ract = zoom_focus_action (focus_type);
3572
3573         if (ract) {
3574                 ract->set_active ();
3575         }
3576 }
3577
3578 gint
3579 Editor::edit_controls_button_release (GdkEventButton* ev)
3580 {
3581         if (Keyboard::is_context_menu_event (ev)) {
3582                 ARDOUR_UI::instance()->add_route (this);
3583         }
3584         return TRUE;
3585 }
3586
3587 gint
3588 Editor::mouse_select_button_release (GdkEventButton* ev)
3589 {
3590         /* this handles just right-clicks */
3591
3592         if (ev->button != 3) {
3593                 return false;
3594         }
3595
3596         return true;
3597 }
3598
3599 void
3600 Editor::set_zoom_focus (ZoomFocus f)
3601 {
3602         string str = zoom_focus_strings[(int)f];
3603
3604         if (str != zoom_focus_selector.get_active_text()) {
3605                 zoom_focus_selector.set_active_text (str);
3606         }
3607
3608         if (zoom_focus != f) {
3609                 zoom_focus = f;
3610
3611                 ZoomFocusChanged (); /* EMIT_SIGNAL */
3612
3613                 instant_save ();
3614         }
3615 }
3616
3617 void
3618 Editor::ensure_float (Window& win)
3619 {
3620         win.set_transient_for (*this);
3621 }
3622
3623 void
3624 Editor::pane_allocation_handler (Allocation &alloc, Paned* which)
3625 {
3626         /* recover or initialize pane positions. do this here rather than earlier because
3627            we don't want the positions to change the child allocations, which they seem to do.
3628          */
3629
3630         int pos;
3631         XMLProperty* prop;
3632         char buf[32];
3633         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
3634         int width, height;
3635         static int32_t done;
3636         XMLNode* geometry;
3637
3638         width = default_width;
3639         height = default_height;
3640
3641         if ((geometry = find_named_node (*node, "geometry")) != 0) {
3642
3643                 if ((prop = geometry->property ("x_size")) == 0) {
3644                         prop = geometry->property ("x-size");
3645                 }
3646                 if (prop) {
3647                         width = atoi (prop->value());
3648                 }
3649                 if ((prop = geometry->property ("y_size")) == 0) {
3650                         prop = geometry->property ("y-size");
3651                 }
3652                 if (prop) {
3653                         height = atoi (prop->value());
3654                 }
3655         }
3656
3657         if (which == static_cast<Paned*> (&edit_pane)) {
3658
3659                 if (done) {
3660                         return;
3661                 }
3662
3663                 if (!geometry || (prop = geometry->property ("edit-pane-pos")) == 0) {
3664                         /* initial allocation is 90% to canvas, 10% to notebook */
3665                         pos = (int) floor (alloc.get_width() * 0.90f);
3666                         snprintf (buf, sizeof(buf), "%d", pos);
3667                 } else {
3668                         pos = atoi (prop->value());
3669                 }
3670
3671                 if ((done = GTK_WIDGET(edit_pane.gobj())->allocation.width > pos)) {
3672                         edit_pane.set_position (pos);
3673                         pre_maximal_pane_position = pos;
3674                 }
3675         }
3676 }
3677
3678 void
3679 Editor::detach_tearoff (Box* /*b*/, Window* /*w*/)
3680 {
3681         if (_tools_tearoff->torn_off() && _mouse_mode_tearoff->torn_off()) {
3682                 top_hbox.remove (toolbar_frame);
3683         }
3684 }
3685
3686 void
3687 Editor::reattach_tearoff (Box* /*b*/, Window* /*w*/, int32_t /*n*/)
3688 {
3689         if (toolbar_frame.get_parent() == 0) {
3690                 top_hbox.pack_end (toolbar_frame);
3691         }
3692 }
3693
3694 void
3695 Editor::set_show_measures (bool yn)
3696 {
3697         if (_show_measures != yn) {
3698                 hide_measures ();
3699
3700                 if ((_show_measures = yn) == true) {
3701                         if (tempo_lines)
3702                                 tempo_lines->show();
3703                         draw_measures ();
3704                 }
3705                 instant_save ();
3706         }
3707 }
3708
3709 void
3710 Editor::toggle_follow_playhead ()
3711 {
3712         RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
3713         if (act) {
3714                 RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
3715                 set_follow_playhead (tact->get_active());
3716         }
3717 }
3718
3719 void
3720 Editor::set_follow_playhead (bool yn)
3721 {
3722         if (_follow_playhead != yn) {
3723                 if ((_follow_playhead = yn) == true) {
3724                         /* catch up */
3725                         reset_x_origin_to_follow_playhead ();
3726                 }
3727                 instant_save ();
3728         }
3729 }
3730
3731 void
3732 Editor::toggle_stationary_playhead ()
3733 {
3734        RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-stationary-playhead"));
3735        if (act) {
3736                RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
3737                set_stationary_playhead (tact->get_active());
3738        }
3739 }
3740
3741 void
3742 Editor::set_stationary_playhead (bool yn)
3743 {
3744        if (_stationary_playhead != yn) {
3745                if ((_stationary_playhead = yn) == true) {
3746                        /* catch up */
3747                        // FIXME need a 3.0 equivalent of this 2.X call
3748                        // update_current_screen ();
3749                }
3750                instant_save ();
3751        }
3752 }
3753
3754 void
3755 Editor::toggle_xfade_active (boost::weak_ptr<Crossfade> wxfade)
3756 {
3757         boost::shared_ptr<Crossfade> xfade (wxfade.lock());
3758         if (xfade) {
3759                 xfade->set_active (!xfade->active());
3760         }
3761 }
3762
3763 void
3764 Editor::toggle_xfade_length (boost::weak_ptr<Crossfade> wxfade)
3765 {
3766         boost::shared_ptr<Crossfade> xfade (wxfade.lock());
3767         if (xfade) {
3768                 xfade->set_follow_overlap (!xfade->following_overlap());
3769         }
3770 }
3771
3772 void
3773 Editor::edit_xfade (boost::weak_ptr<Crossfade> wxfade)
3774 {
3775         boost::shared_ptr<Crossfade> xfade (wxfade.lock());
3776
3777         if (!xfade) {
3778                 return;
3779         }
3780
3781         CrossfadeEditor cew (_session, xfade, xfade->fade_in().get_min_y(), 1.0);
3782
3783         ensure_float (cew);
3784
3785         switch (cew.run ()) {
3786         case RESPONSE_ACCEPT:
3787                 break;
3788         default:
3789                 return;
3790         }
3791
3792         cew.apply ();
3793         PropertyChange all_crossfade_properties;
3794         all_crossfade_properties.add (ARDOUR::Properties::active);
3795         all_crossfade_properties.add (ARDOUR::Properties::follow_overlap);
3796         xfade->PropertyChanged (all_crossfade_properties);
3797 }
3798
3799 PlaylistSelector&
3800 Editor::playlist_selector () const
3801 {
3802         return *_playlist_selector;
3803 }
3804
3805 Evoral::MusicalTime
3806 Editor::get_grid_type_as_beats (bool& success, nframes64_t position)
3807 {
3808         success = true;
3809
3810         switch (_snap_type) {
3811         case SnapToBeat:
3812                 return 1.0;
3813                 break;
3814
3815         case SnapToAThirtysecondBeat:
3816                 return 1.0/32.0;
3817                 break;
3818
3819         case SnapToASixteenthBeat:
3820                 return 1.0/16.0;
3821                 break;
3822
3823         case SnapToAEighthBeat:
3824                 return 1.0/8.0;
3825                 break;
3826
3827         case SnapToAQuarterBeat:
3828                 return 1.0/4.0;
3829                 break;
3830
3831         case SnapToAThirdBeat:
3832                 return 1.0/3.0;
3833                 break;
3834
3835         case SnapToBar:
3836                 if (_session) {
3837                         return _session->tempo_map().meter_at (position).beats_per_bar();
3838                 }
3839                 break;
3840
3841         case SnapToCDFrame:
3842         case SnapToTimecodeFrame:
3843         case SnapToTimecodeSeconds:
3844         case SnapToTimecodeMinutes:
3845         case SnapToSeconds:
3846         case SnapToMinutes:
3847         case SnapToRegionStart:
3848         case SnapToRegionEnd:
3849         case SnapToRegionSync:
3850         case SnapToRegionBoundary:
3851         default:
3852                 success = false;
3853                 break;
3854         }
3855
3856         return 0.0;
3857 }
3858
3859 nframes64_t
3860 Editor::get_nudge_distance (nframes64_t pos, nframes64_t& next)
3861 {
3862         nframes64_t ret;
3863
3864         ret = nudge_clock.current_duration (pos);
3865         next = ret + 1; /* XXXX fix me */
3866
3867         return ret;
3868 }
3869
3870 void
3871 Editor::session_range_location_changed (Location* location)
3872 {
3873         ENSURE_GUI_THREAD (*this, &Editor::session_range_location_changed, location)
3874         //reset_scrolling_region ();
3875         nframes64_t const session_span = location->end() + (nframes64_t) floorf (current_page_frames() * 0.10f);
3876         horizontal_adjustment.set_upper (session_span / frames_per_unit);
3877 }
3878
3879 int
3880 Editor::playlist_deletion_dialog (boost::shared_ptr<Playlist> pl)
3881 {
3882         ArdourDialog dialog ("playlist deletion dialog");
3883         Label  label (string_compose (_("Playlist %1 is currently unused.\n"
3884                                         "If left alone, no audio files used by it will be cleaned.\n"
3885                                         "If deleted, audio files used by it alone by will cleaned."),
3886                                       pl->name()));
3887
3888         dialog.set_position (WIN_POS_CENTER);
3889         dialog.get_vbox()->pack_start (label);
3890
3891         label.show ();
3892
3893         dialog.add_button (_("Delete playlist"), RESPONSE_ACCEPT);
3894         dialog.add_button (_("Keep playlist"), RESPONSE_REJECT);
3895         dialog.add_button (_("Cancel"), RESPONSE_CANCEL);
3896
3897         switch (dialog.run ()) {
3898         case RESPONSE_ACCEPT:
3899                 /* delete the playlist */
3900                 return 0;
3901                 break;
3902
3903         case RESPONSE_REJECT:
3904                 /* keep the playlist */
3905                 return 1;
3906                 break;
3907
3908         default:
3909                 break;
3910         }
3911
3912         return -1;
3913 }
3914
3915 bool
3916 Editor::audio_region_selection_covers (nframes64_t where)
3917 {
3918         for (RegionSelection::iterator a = selection->regions.begin(); a != selection->regions.end(); ++a) {
3919                 if ((*a)->region()->covers (where)) {
3920                         return true;
3921                 }
3922         }
3923
3924         return false;
3925 }
3926
3927 void
3928 Editor::prepare_for_cleanup ()
3929 {
3930         cut_buffer->clear_regions ();
3931         cut_buffer->clear_playlists ();
3932
3933         selection->clear_regions ();
3934         selection->clear_playlists ();
3935
3936         _regions->suspend_redisplay ();
3937 }
3938
3939 void
3940 Editor::finish_cleanup ()
3941 {
3942         _regions->resume_redisplay ();
3943 }
3944
3945 Location*
3946 Editor::transport_loop_location()
3947 {
3948         if (_session) {
3949                 return _session->locations()->auto_loop_location();
3950         } else {
3951                 return 0;
3952         }
3953 }
3954
3955 Location*
3956 Editor::transport_punch_location()
3957 {
3958         if (_session) {
3959                 return _session->locations()->auto_punch_location();
3960         } else {
3961                 return 0;
3962         }
3963 }
3964
3965 bool
3966 Editor::control_layout_scroll (GdkEventScroll* ev)
3967 {
3968         if (Keyboard::some_magic_widget_has_focus()) {
3969                 return false;
3970         }
3971
3972         switch (ev->direction) {
3973         case GDK_SCROLL_UP:
3974                 scroll_tracks_up_line ();
3975                 return true;
3976                 break;
3977
3978         case GDK_SCROLL_DOWN:
3979                 scroll_tracks_down_line ();
3980                 return true;
3981
3982         default:
3983                 /* no left/right handling yet */
3984                 break;
3985         }
3986
3987         return false;
3988 }
3989
3990 void
3991 Editor::session_state_saved (string snap_name)
3992 {
3993         ENSURE_GUI_THREAD (*this, &Editor::session_state_saved, snap_name);
3994
3995         update_title ();
3996         _snapshots->redisplay ();
3997 }
3998
3999 void
4000 Editor::maximise_editing_space ()
4001 {
4002         _mouse_mode_tearoff->set_visible (false);
4003         _tools_tearoff->set_visible (false);
4004
4005         pre_maximal_pane_position = edit_pane.get_position();
4006         pre_maximal_editor_width = this->get_width();
4007
4008         if(post_maximal_pane_position == 0) {
4009                 post_maximal_pane_position = edit_pane.get_width();
4010         }
4011
4012         fullscreen();
4013
4014         if(post_maximal_editor_width) {
4015                 edit_pane.set_position (post_maximal_pane_position -
4016                         abs(post_maximal_editor_width - pre_maximal_editor_width));
4017         } else {
4018                 edit_pane.set_position (post_maximal_pane_position);
4019         }
4020 }
4021
4022 void
4023 Editor::restore_editing_space ()
4024 {
4025         // user changed width of pane during fullscreen
4026
4027         if(post_maximal_pane_position != edit_pane.get_position()) {
4028                 post_maximal_pane_position = edit_pane.get_position();
4029         }
4030
4031         unfullscreen();
4032
4033         _mouse_mode_tearoff->set_visible (true);
4034         _tools_tearoff->set_visible (true);
4035         post_maximal_editor_width = this->get_width();
4036
4037         edit_pane.set_position (pre_maximal_pane_position + abs(this->get_width() - pre_maximal_editor_width));
4038 }
4039
4040 /**
4041  *  Make new playlists for a given track and also any others that belong
4042  *  to the same active route group with the `edit' property.
4043  *  @param v Track.
4044  */
4045
4046 void
4047 Editor::new_playlists (TimeAxisView* v)
4048 {
4049         begin_reversible_command (_("new playlists"));
4050         vector<boost::shared_ptr<ARDOUR::Playlist> > playlists;
4051         _session->playlists->get (playlists);
4052         mapover_tracks (sigc::bind (sigc::mem_fun (*this, &Editor::mapped_use_new_playlist), playlists), v, ARDOUR::Properties::edit.property_id);
4053         commit_reversible_command ();
4054 }
4055
4056 /**
4057  *  Use a copy of the current playlist for a given track and also any others that belong
4058  *  to the same active route group with the `edit' property.
4059  *  @param v Track.
4060  */
4061
4062 void
4063 Editor::copy_playlists (TimeAxisView* v)
4064 {
4065         begin_reversible_command (_("copy playlists"));
4066         vector<boost::shared_ptr<ARDOUR::Playlist> > playlists;
4067         _session->playlists->get (playlists);
4068         mapover_tracks (sigc::bind (sigc::mem_fun (*this, &Editor::mapped_use_copy_playlist), playlists), v, ARDOUR::Properties::edit.property_id);
4069         commit_reversible_command ();
4070 }
4071
4072 /** Clear the current playlist for a given track and also any others that belong
4073  *  to the same active route group with the `edit' property.
4074  *  @param v Track.
4075  */
4076
4077 void
4078 Editor::clear_playlists (TimeAxisView* v)
4079 {
4080         begin_reversible_command (_("clear playlists"));
4081         vector<boost::shared_ptr<ARDOUR::Playlist> > playlists;
4082         _session->playlists->get (playlists);
4083         mapover_tracks (sigc::mem_fun (*this, &Editor::mapped_clear_playlist), v, ARDOUR::Properties::edit.property_id);
4084         commit_reversible_command ();
4085 }
4086
4087 void
4088 Editor::mapped_use_new_playlist (RouteTimeAxisView& atv, uint32_t sz, vector<boost::shared_ptr<ARDOUR::Playlist> > const & playlists)
4089 {
4090         atv.use_new_playlist (sz > 1 ? false : true, playlists);
4091 }
4092
4093 void
4094 Editor::mapped_use_copy_playlist (RouteTimeAxisView& atv, uint32_t sz, vector<boost::shared_ptr<ARDOUR::Playlist> > const & playlists)
4095 {
4096         atv.use_copy_playlist (sz > 1 ? false : true, playlists);
4097 }
4098
4099 void
4100 Editor::mapped_clear_playlist (RouteTimeAxisView& atv, uint32_t /*sz*/)
4101 {
4102         atv.clear_playlist ();
4103 }
4104
4105 bool
4106 Editor::on_key_press_event (GdkEventKey* ev)
4107 {
4108         return key_press_focus_accelerator_handler (*this, ev);
4109 }
4110
4111 bool
4112 Editor::on_key_release_event (GdkEventKey* ev)
4113 {
4114         return Gtk::Window::on_key_release_event (ev);
4115         // return key_press_focus_accelerator_handler (*this, ev);
4116 }
4117
4118 /** Queue up a change to the viewport x origin.
4119  *  @param frame New x origin.
4120  */
4121 void
4122 Editor::reset_x_origin (nframes64_t frame)
4123 {
4124         queue_visual_change (frame);
4125 }
4126
4127 void
4128 Editor::reset_y_origin (double y)
4129 {
4130         queue_visual_change_y (y);
4131 }
4132
4133 void
4134 Editor::reset_zoom (double fpu)
4135 {
4136         queue_visual_change (fpu);
4137 }
4138
4139 void
4140 Editor::reposition_and_zoom (nframes64_t frame, double fpu)
4141 {
4142         //cerr << "Editor::reposition_and_zoom () called ha v:l:u:ps:fpu = " << horizontal_adjustment.get_value() << ":" << horizontal_adjustment.get_lower() << ":" << horizontal_adjustment.get_upper() << ":" << horizontal_adjustment.get_page_size() << ":" << frames_per_unit << endl;//DEBUG
4143         reset_x_origin (frame);
4144         reset_zoom (fpu);
4145
4146         if (!no_save_visual) {
4147                 undo_visual_stack.push_back (current_visual_state(false));
4148         }
4149 }
4150
4151 Editor::VisualState*
4152 Editor::current_visual_state (bool with_tracks)
4153 {
4154         VisualState* vs = new VisualState;
4155         vs->y_position = vertical_adjustment.get_value();
4156         vs->frames_per_unit = frames_per_unit;
4157         vs->leftmost_frame = leftmost_frame;
4158         vs->zoom_focus = zoom_focus;
4159
4160         if (with_tracks) {
4161                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
4162                         vs->track_states.push_back (TAVState ((*i), &(*i)->get_state()));
4163                 }
4164         }
4165
4166         return vs;
4167 }
4168
4169 void
4170 Editor::undo_visual_state ()
4171 {
4172         if (undo_visual_stack.empty()) {
4173                 return;
4174         }
4175
4176         redo_visual_stack.push_back (current_visual_state());
4177
4178         VisualState* vs = undo_visual_stack.back();
4179         undo_visual_stack.pop_back();
4180         use_visual_state (*vs);
4181 }
4182
4183 void
4184 Editor::redo_visual_state ()
4185 {
4186         if (redo_visual_stack.empty()) {
4187                 return;
4188         }
4189
4190         undo_visual_stack.push_back (current_visual_state());
4191
4192         VisualState* vs = redo_visual_stack.back();
4193         redo_visual_stack.pop_back();
4194         use_visual_state (*vs);
4195 }
4196
4197 void
4198 Editor::swap_visual_state ()
4199 {
4200         if (undo_visual_stack.empty()) {
4201                 redo_visual_state ();
4202         } else {
4203                 undo_visual_state ();
4204         }
4205 }
4206
4207 void
4208 Editor::use_visual_state (VisualState& vs)
4209 {
4210         no_save_visual = true;
4211
4212         _routes->suspend_redisplay ();
4213
4214         vertical_adjustment.set_value (vs.y_position);
4215
4216         set_zoom_focus (vs.zoom_focus);
4217         reposition_and_zoom (vs.leftmost_frame, vs.frames_per_unit);
4218
4219         for (list<TAVState>::iterator i = vs.track_states.begin(); i != vs.track_states.end(); ++i) {
4220                 TrackViewList::iterator t;
4221
4222                 /* check if the track still exists - it could have been deleted */
4223
4224                 if ((t = find (track_views.begin(), track_views.end(), i->first)) != track_views.end()) {
4225                         (*t)->set_state (*(i->second), Stateful::loading_state_version);
4226                 }
4227         }
4228
4229
4230         if (!vs.track_states.empty()) {
4231                 _routes->update_visibility ();
4232         }
4233
4234         _routes->resume_redisplay ();
4235
4236         no_save_visual = false;
4237 }
4238
4239 void
4240 Editor::set_frames_per_unit (double fpu)
4241 {
4242         /* this is the core function that controls the zoom level of the canvas. it is called
4243            whenever one or more calls are made to reset_zoom(). it executes in an idle handler.
4244         */
4245
4246         if (fpu == frames_per_unit) {
4247                 return;
4248         }
4249
4250         if (fpu < 2.0) {
4251                 fpu = 2.0;
4252         }
4253
4254
4255         /* don't allow zooms that fit more than the maximum number
4256            of frames into an 800 pixel wide space.
4257         */
4258
4259         if (max_frames / fpu < 800.0) {
4260                 return;
4261         }
4262
4263         if (tempo_lines)
4264                 tempo_lines->tempo_map_changed();
4265
4266         frames_per_unit = fpu;
4267         post_zoom ();
4268 }
4269
4270 void
4271 Editor::post_zoom ()
4272 {
4273         nframes64_t cef = 0;
4274
4275         // convert fpu to frame count
4276
4277         nframes64_t frames = (nframes64_t) floor (frames_per_unit * _canvas_width);
4278
4279         if (frames_per_unit != zoom_range_clock.current_duration()) {
4280                 zoom_range_clock.set (frames);
4281         }
4282
4283         if (mouse_mode == MouseRange && selection->time.start () != selection->time.end_frame ()) {
4284                 for (TrackViewList::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
4285                         (*i)->reshow_selection (selection->time);
4286                 }
4287         }
4288
4289         leftmost_frame = (nframes64_t) floor (horizontal_adjustment.get_value() * frames_per_unit);
4290
4291         ZoomChanged (); /* EMIT_SIGNAL */
4292
4293         if (_session) {
4294                 cef = _session->current_end_frame() + (current_page_frames() / 10);// Add a little extra so we can see the end marker
4295         }
4296         horizontal_adjustment.set_upper (cef / frames_per_unit);
4297
4298         //reset_scrolling_region ();
4299
4300         if (playhead_cursor) {
4301                 playhead_cursor->set_position (playhead_cursor->current_frame);
4302         }
4303
4304         refresh_location_display();
4305         _summary->set_overlays_dirty ();
4306
4307         instant_save ();
4308 }
4309
4310 void
4311 Editor::queue_visual_change (nframes64_t where)
4312 {
4313         pending_visual_change.add (VisualChange::TimeOrigin);
4314
4315         /* if we're moving beyond the end, make sure the upper limit of the horizontal adjustment
4316            can reach.
4317         */
4318
4319         if (_session && (where > _session->current_end_frame())) {
4320                 horizontal_adjustment.set_upper ((where + current_page_frames()) / frames_per_unit);
4321         }
4322
4323         pending_visual_change.time_origin = where;
4324
4325         ensure_visual_change_idle_handler ();
4326 }
4327
4328 void
4329 Editor::queue_visual_change (double fpu)
4330 {
4331         pending_visual_change.add (VisualChange::ZoomLevel);
4332         pending_visual_change.frames_per_unit = fpu;
4333
4334         ensure_visual_change_idle_handler ();
4335 }
4336
4337 void
4338 Editor::queue_visual_change_y (double y)
4339 {
4340         pending_visual_change.add (VisualChange::YOrigin);
4341         pending_visual_change.y_origin = y;
4342
4343         ensure_visual_change_idle_handler ();
4344 }
4345
4346 void
4347 Editor::ensure_visual_change_idle_handler ()
4348 {
4349         if (pending_visual_change.idle_handler_id < 0) {
4350                 pending_visual_change.idle_handler_id = g_idle_add (_idle_visual_changer, this);
4351         }
4352 }
4353
4354 int
4355 Editor::_idle_visual_changer (void* arg)
4356 {
4357         return static_cast<Editor*>(arg)->idle_visual_changer ();
4358 }
4359
4360 int
4361 Editor::idle_visual_changer ()
4362 {
4363         VisualChange::Type p = pending_visual_change.pending;
4364         pending_visual_change.pending = (VisualChange::Type) 0;
4365
4366         double last_time_origin = horizontal_adjustment.get_value();
4367
4368         if (p & VisualChange::ZoomLevel) {
4369                 set_frames_per_unit (pending_visual_change.frames_per_unit);
4370
4371                 compute_fixed_ruler_scale ();
4372                 compute_current_bbt_points(pending_visual_change.time_origin, pending_visual_change.time_origin + current_page_frames());
4373                 compute_bbt_ruler_scale (pending_visual_change.time_origin, pending_visual_change.time_origin + current_page_frames());
4374                 update_tempo_based_rulers ();
4375         }
4376         if (p & VisualChange::TimeOrigin) {
4377                 horizontal_adjustment.set_value (pending_visual_change.time_origin / frames_per_unit);
4378         }
4379         if (p & VisualChange::YOrigin) {
4380                 vertical_adjustment.set_value (pending_visual_change.y_origin);
4381         }
4382
4383         if (last_time_origin == horizontal_adjustment.get_value()) {
4384                 /* changed signal not emitted */
4385                 update_fixed_rulers ();
4386                 redisplay_tempo (true);
4387         }
4388
4389         _summary->set_overlays_dirty ();
4390
4391         // cerr << "Editor::idle_visual_changer () called ha v:l:u:ps:fpu = " << horizontal_adjustment.get_value() << ":" << horizontal_adjustment.get_lower() << ":" << horizontal_adjustment.get_upper() << ":" << horizontal_adjustment.get_page_size() << ":" << frames_per_unit << endl;//DEBUG
4392         pending_visual_change.idle_handler_id = -1;
4393         return 0; /* this is always a one-shot call */
4394 }
4395
4396 struct EditorOrderTimeAxisSorter {
4397     bool operator() (const TimeAxisView* a, const TimeAxisView* b) const {
4398             return a->order () < b->order ();
4399     }
4400 };
4401
4402 void
4403 Editor::sort_track_selection (TrackViewList* sel)
4404 {
4405         EditorOrderTimeAxisSorter cmp;
4406
4407         if (sel) {
4408                 sel->sort (cmp);
4409         } else {
4410                 selection->tracks.sort (cmp);
4411         }
4412 }
4413
4414 nframes64_t
4415 Editor::get_preferred_edit_position (bool ignore_playhead)
4416 {
4417         bool ignored;
4418         nframes64_t where = 0;
4419         EditPoint ep = _edit_point;
4420
4421         if (entered_marker) {
4422                 return entered_marker->position();
4423         }
4424
4425         if (ignore_playhead && ep == EditAtPlayhead) {
4426                 ep = EditAtSelectedMarker;
4427         }
4428
4429         switch (ep) {
4430         case EditAtPlayhead:
4431                 where = _session->audible_frame();
4432                 break;
4433
4434         case EditAtSelectedMarker:
4435                 if (!selection->markers.empty()) {
4436                         bool is_start;
4437                         Location* loc = find_location_from_marker (selection->markers.front(), is_start);
4438                         if (loc) {
4439                                 if (is_start) {
4440                                         where =  loc->start();
4441                                 } else {
4442                                         where = loc->end();
4443                                 }
4444                                 break;
4445                         }
4446                 }
4447                 /* fallthru */
4448
4449         default:
4450         case EditAtMouse:
4451                 if (!mouse_frame (where, ignored)) {
4452                         /* XXX not right but what can we do ? */
4453                         return 0;
4454                 }
4455                 snap_to (where);
4456                 break;
4457         }
4458
4459         return where;
4460 }
4461
4462 void
4463 Editor::set_loop_range (nframes64_t start, nframes64_t end, string cmd)
4464 {
4465         if (!_session) return;
4466
4467         begin_reversible_command (cmd);
4468
4469         Location* tll;
4470
4471         if ((tll = transport_loop_location()) == 0) {
4472                 Location* loc = new Location (start, end, _("Loop"),  Location::IsAutoLoop);
4473                 XMLNode &before = _session->locations()->get_state();
4474                 _session->locations()->add (loc, true);
4475                 _session->set_auto_loop_location (loc);
4476                 XMLNode &after = _session->locations()->get_state();
4477                 _session->add_command (new MementoCommand<Locations>(*(_session->locations()), &before, &after));
4478         } else {
4479                 XMLNode &before = tll->get_state();
4480                 tll->set_hidden (false, this);
4481                 tll->set (start, end);
4482                 XMLNode &after = tll->get_state();
4483                 _session->add_command (new MementoCommand<Location>(*tll, &before, &after));
4484         }
4485
4486         commit_reversible_command ();
4487 }
4488
4489 void
4490 Editor::set_punch_range (nframes64_t start, nframes64_t end, string cmd)
4491 {
4492         if (!_session) return;
4493
4494         begin_reversible_command (cmd);
4495
4496         Location* tpl;
4497
4498         if ((tpl = transport_punch_location()) == 0) {
4499                 Location* loc = new Location (start, end, _("Loop"),  Location::IsAutoPunch);
4500                 XMLNode &before = _session->locations()->get_state();
4501                 _session->locations()->add (loc, true);
4502                 _session->set_auto_loop_location (loc);
4503                 XMLNode &after = _session->locations()->get_state();
4504                 _session->add_command (new MementoCommand<Locations>(*(_session->locations()), &before, &after));
4505         }
4506         else {
4507                 XMLNode &before = tpl->get_state();
4508                 tpl->set_hidden (false, this);
4509                 tpl->set (start, end);
4510                 XMLNode &after = tpl->get_state();
4511                 _session->add_command (new MementoCommand<Location>(*tpl, &before, &after));
4512         }
4513
4514         commit_reversible_command ();
4515 }
4516
4517 /** Find regions which exist at a given time, and optionally on a given list of tracks.
4518  *  @param rs List to which found regions are added.
4519  *  @param where Time to look at.
4520  *  @param ts Tracks to look on; if this is empty, all tracks are examined.
4521  */
4522 void
4523 Editor::get_regions_at (RegionSelection& rs, nframes64_t where, const TrackViewList& ts) const
4524 {
4525         const TrackViewList* tracks;
4526
4527         if (ts.empty()) {
4528                 tracks = &track_views;
4529         } else {
4530                 tracks = &ts;
4531         }
4532
4533         for (TrackViewList::const_iterator t = tracks->begin(); t != tracks->end(); ++t) {
4534                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(*t);
4535                 if (rtv) {
4536                         boost::shared_ptr<Track> tr;
4537                         boost::shared_ptr<Playlist> pl;
4538
4539                         if ((tr = rtv->track()) && ((pl = tr->playlist()))) {
4540
4541                                 Playlist::RegionList* regions = pl->regions_at (
4542                                                 (nframes64_t) floor ( (double)where * tr->speed()));
4543
4544                                 for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
4545                                         RegionView* rv = rtv->view()->find_view (*i);
4546                                         if (rv) {
4547                                                 rs.add (rv);
4548                                         }
4549                                 }
4550
4551                                 delete regions;
4552                         }
4553                 }
4554         }
4555 }
4556
4557 void
4558 Editor::get_regions_after (RegionSelection& rs, nframes64_t where, const TrackViewList& ts) const
4559 {
4560         const TrackViewList* tracks;
4561
4562         if (ts.empty()) {
4563                 tracks = &track_views;
4564         } else {
4565                 tracks = &ts;
4566         }
4567
4568         for (TrackViewList::const_iterator t = tracks->begin(); t != tracks->end(); ++t) {
4569                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(*t);
4570                 if (rtv) {
4571                         boost::shared_ptr<Track> tr;
4572                         boost::shared_ptr<Playlist> pl;
4573
4574                         if ((tr = rtv->track()) && ((pl = tr->playlist()))) {
4575
4576                                 Playlist::RegionList* regions = pl->regions_touched (
4577                                                 (nframes64_t) floor ( (double)where * tr->speed()), max_frames);
4578
4579                                 for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
4580
4581                                         RegionView* rv = rtv->view()->find_view (*i);
4582
4583                                         if (rv) {
4584                                                 rs.push_back (rv);
4585                                         }
4586                                 }
4587
4588                                 delete regions;
4589                         }
4590                 }
4591         }
4592 }
4593
4594 /** Find all regions which are either:
4595  *      - selected or
4596  *      - the entered_regionview (if allow_entered == true) or
4597  *      - under the preferred edit position AND on a selected track, or on a track
4598  *        which is in the same active edit-enable route group as a selected region (if allow_edit_position == true)
4599  *  @param rs Returned region list.
4600  *  @param allow_entered true to include the entered_regionview in the list.
4601  */
4602 void
4603 Editor::get_regions_for_action (RegionSelection& rs, bool allow_entered, bool allow_edit_position)
4604 {
4605         /* Start with selected regions */
4606         rs = selection->regions;
4607
4608         /* Add the entered_regionview, if requested */
4609         if (allow_entered && entered_regionview) {
4610                 rs.add (entered_regionview);
4611         }
4612
4613         if (allow_edit_position) {
4614
4615                 TrackViewList tracks = selection->tracks;
4616
4617                 /* tracks is currently the set of selected tracks; add any other tracks that
4618                  * have regions that are in the same edit-activated route group as one of
4619                  * our regions */
4620                 for (RegionSelection::iterator i = rs.begin (); i != rs.end(); ++i) {
4621
4622                         RouteGroup* g = (*i)->get_time_axis_view().route_group ();
4623                         if (g && g->is_active() && g->is_edit()) {
4624                                 tracks.add (axis_views_from_routes (g->route_list()));
4625                         }
4626
4627                 }
4628
4629                 if (!tracks.empty()) {
4630                         /* now find regions that are at the edit position on those tracks */
4631                         nframes64_t const where = get_preferred_edit_position ();
4632                         get_regions_at (rs, where, tracks);
4633                 }
4634         }
4635 }
4636
4637 void
4638 Editor::get_regions_corresponding_to (boost::shared_ptr<Region> region, vector<RegionView*>& regions)
4639 {
4640         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
4641
4642                 RouteTimeAxisView* tatv;
4643
4644                 if ((tatv = dynamic_cast<RouteTimeAxisView*> (*i)) != 0) {
4645
4646                         boost::shared_ptr<Playlist> pl;
4647                         vector<boost::shared_ptr<Region> > results;
4648                         RegionView* marv;
4649                         boost::shared_ptr<Track> tr;
4650
4651                         if ((tr = tatv->track()) == 0) {
4652                                 /* bus */
4653                                 continue;
4654                         }
4655
4656                         if ((pl = (tr->playlist())) != 0) {
4657                                 pl->get_region_list_equivalent_regions (region, results);
4658                         }
4659
4660                         for (vector<boost::shared_ptr<Region> >::iterator ir = results.begin(); ir != results.end(); ++ir) {
4661                                 if ((marv = tatv->view()->find_view (*ir)) != 0) {
4662                                         regions.push_back (marv);
4663                                 }
4664                         }
4665
4666                 }
4667         }
4668 }
4669
4670 void
4671 Editor::show_rhythm_ferret ()
4672 {
4673         if (rhythm_ferret == 0) {
4674                 rhythm_ferret = new RhythmFerret(*this);
4675         }
4676
4677         rhythm_ferret->set_session (_session);
4678         rhythm_ferret->show ();
4679         rhythm_ferret->present ();
4680 }
4681
4682 void
4683 Editor::show_global_port_matrix (ARDOUR::DataType t)
4684 {
4685         if (_global_port_matrix[t] == 0) {
4686                 _global_port_matrix[t] = new GlobalPortMatrixWindow (_session, t);
4687         }
4688
4689         _global_port_matrix[t]->show ();
4690 }
4691
4692 void
4693 Editor::first_idle ()
4694 {
4695         MessageDialog* dialog = 0;
4696
4697         if (track_views.size() > 1) {
4698                 dialog = new MessageDialog (*this,
4699                                             string_compose (_("Please wait while %1 loads visual data"), PROGRAM_NAME),
4700                                             true,
4701                                             Gtk::MESSAGE_INFO,
4702                                             Gtk::BUTTONS_NONE);
4703                 dialog->present ();
4704                 ARDOUR_UI::instance()->flush_pending ();
4705         }
4706
4707         for (TrackViewList::iterator t = track_views.begin(); t != track_views.end(); ++t) {
4708                 (*t)->first_idle();
4709         }
4710
4711         // first idle adds route children (automation tracks), so we need to redisplay here
4712         _routes->redisplay ();
4713
4714         delete dialog;
4715
4716         _have_idled = true;
4717 }
4718
4719 gboolean
4720 Editor::_idle_resize (gpointer arg)
4721 {
4722         return ((Editor*)arg)->idle_resize ();
4723 }
4724
4725 void
4726 Editor::add_to_idle_resize (TimeAxisView* view, int32_t h)
4727 {
4728         if (resize_idle_id < 0) {
4729                 resize_idle_id = g_idle_add (_idle_resize, this);
4730                 _pending_resize_amount = 0;
4731         }
4732
4733         /* make a note of the smallest resulting height, so that we can clamp the
4734            lower limit at TimeAxisView::hSmall */
4735
4736         int32_t min_resulting = INT32_MAX;
4737
4738         _pending_resize_amount += h;
4739         _pending_resize_view = view;
4740
4741         min_resulting = min (min_resulting, int32_t (_pending_resize_view->current_height()) + _pending_resize_amount);
4742
4743         if (selection->tracks.contains (_pending_resize_view)) {
4744                 for (TrackViewList::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
4745                         min_resulting = min (min_resulting, int32_t ((*i)->current_height()) + _pending_resize_amount);
4746                 }
4747         }
4748
4749         if (min_resulting < 0) {
4750                 min_resulting = 0;
4751         }
4752
4753         /* clamp */
4754         if (uint32_t (min_resulting) < TimeAxisView::hSmall) {
4755                 _pending_resize_amount += TimeAxisView::hSmall - min_resulting;
4756         }
4757 }
4758
4759 /** Handle pending resizing of tracks */
4760 bool
4761 Editor::idle_resize ()
4762 {
4763         _pending_resize_view->idle_resize (_pending_resize_view->current_height() + _pending_resize_amount);
4764
4765         if (dynamic_cast<AutomationTimeAxisView*> (_pending_resize_view) == 0 &&
4766             selection->tracks.contains (_pending_resize_view)) {
4767
4768                 for (TrackViewList::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
4769                         if (*i != _pending_resize_view) {
4770                                 (*i)->idle_resize ((*i)->current_height() + _pending_resize_amount);
4771                         }
4772                 }
4773         }
4774
4775         _pending_resize_amount = 0;
4776         flush_canvas ();
4777         _group_tabs->set_dirty ();
4778         resize_idle_id = -1;
4779
4780         return false;
4781 }
4782
4783 void
4784 Editor::located ()
4785 {
4786         ENSURE_GUI_THREAD (*this, &Editor::located);
4787
4788         playhead_cursor->set_position (_session->audible_frame ());
4789         if (_follow_playhead && !_pending_initial_locate) {
4790                 reset_x_origin_to_follow_playhead ();
4791         }
4792
4793         _pending_locate_request = false;
4794         _pending_initial_locate = false;
4795 }
4796
4797 void
4798 Editor::region_view_added (RegionView *)
4799 {
4800         _summary->set_dirty ();
4801 }
4802
4803 void
4804 Editor::streamview_height_changed ()
4805 {
4806         _summary->set_dirty ();
4807 }
4808
4809 TimeAxisView*
4810 Editor::axis_view_from_route (boost::shared_ptr<Route> r) const
4811 {
4812         TrackViewList::const_iterator j = track_views.begin ();
4813         while (j != track_views.end()) {
4814                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (*j);
4815                 if (rtv && rtv->route() == r) {
4816                         return rtv;
4817                 }
4818                 ++j;
4819         }
4820
4821         return 0;
4822 }
4823
4824
4825 TrackViewList
4826 Editor::axis_views_from_routes (boost::shared_ptr<RouteList> r) const
4827 {
4828         TrackViewList t;
4829
4830         for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
4831                 TimeAxisView* tv = axis_view_from_route (*i);
4832                 if (tv) {
4833                         t.push_back (tv);
4834                 }
4835         }
4836
4837         return t;
4838 }
4839
4840
4841 void
4842 Editor::handle_new_route (RouteList& routes)
4843 {
4844         ENSURE_GUI_THREAD (*this, &Editor::handle_new_route, routes)
4845
4846         RouteTimeAxisView *rtv;
4847         list<RouteTimeAxisView*> new_views;
4848
4849         for (RouteList::iterator x = routes.begin(); x != routes.end(); ++x) {
4850                 boost::shared_ptr<Route> route = (*x);
4851
4852                 if (route->is_hidden() || route->is_monitor()) {
4853                         continue;
4854                 }
4855
4856                 DataType dt = route->input()->default_type();
4857
4858                 if (dt == ARDOUR::DataType::AUDIO) {
4859                         rtv = new AudioTimeAxisView (*this, _session, route, *track_canvas);
4860                 } else if (dt == ARDOUR::DataType::MIDI) {
4861                         rtv = new MidiTimeAxisView (*this, _session, route, *track_canvas);
4862                 } else {
4863                         throw unknown_type();
4864                 }
4865
4866                 new_views.push_back (rtv);
4867                 track_views.push_back (rtv);
4868
4869                 rtv->effective_gain_display ();
4870
4871                 rtv->view()->RegionViewAdded.connect (sigc::mem_fun (*this, &Editor::region_view_added));
4872                 rtv->view()->HeightChanged.connect (sigc::mem_fun (*this, &Editor::streamview_height_changed));
4873         }
4874
4875         _routes->routes_added (new_views);
4876
4877         if (show_editor_mixer_when_tracks_arrive) {
4878                 show_editor_mixer (true);
4879         }
4880
4881         editor_list_button.set_sensitive (true);
4882
4883         _summary->set_dirty ();
4884 }
4885
4886 void
4887 Editor::timeaxisview_deleted (TimeAxisView *tv)
4888 {
4889         if (_session && _session->deletion_in_progress()) {
4890                 /* the situation is under control */
4891                 return;
4892         }
4893
4894         ENSURE_GUI_THREAD (*this, &Editor::timeaxisview_deleted, tv);
4895
4896
4897         _routes->route_removed (tv);
4898
4899         if (tv == entered_track) {
4900                 entered_track = 0;
4901         }
4902
4903         /* remove it from the list of track views */
4904
4905         TrackViewList::iterator i;
4906
4907         if ((i = find (track_views.begin(), track_views.end(), tv)) != track_views.end()) {
4908                 i = track_views.erase (i);
4909         }
4910
4911         /* update whatever the current mixer strip is displaying, if revelant */
4912
4913         boost::shared_ptr<Route> route;
4914         RouteTimeAxisView* rtav = dynamic_cast<RouteTimeAxisView*> (tv);
4915
4916         if (rtav) {
4917                 route = rtav->route ();
4918         }
4919
4920         if (current_mixer_strip && current_mixer_strip->route() == route) {
4921
4922                 TimeAxisView* next_tv;
4923
4924                 if (track_views.empty()) {
4925                         next_tv = 0;
4926                 } else if (i == track_views.end()) {
4927                         next_tv = track_views.front();
4928                 } else {
4929                         next_tv = (*i);
4930                 }
4931
4932
4933                 if (next_tv) {
4934                         set_selected_mixer_strip (*next_tv);
4935                 } else {
4936                         /* make the editor mixer strip go away setting the
4937                          * button to inactive (which also unticks the menu option)
4938                          */
4939
4940                         ActionManager::uncheck_toggleaction ("<Actions>/Editor/show-editor-mixer");
4941                 }
4942         }
4943 }
4944
4945 void
4946 Editor::hide_track_in_display (TimeAxisView& tv, bool /*temponly*/)
4947 {
4948         RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (&tv);
4949
4950         if (rtv && current_mixer_strip && (rtv->route() == current_mixer_strip->route())) {
4951                 // this will hide the mixer strip
4952                 set_selected_mixer_strip (tv);
4953         }
4954
4955         _routes->hide_track_in_display (tv);
4956 }
4957
4958 bool
4959 Editor::sync_track_view_list_and_routes ()
4960 {
4961         track_views = TrackViewList (_routes->views ());
4962
4963         _summary->set_dirty ();
4964         _group_tabs->set_dirty ();
4965
4966         return false; // do not call again (until needed)
4967 }
4968
4969 void
4970 Editor::foreach_time_axis_view (sigc::slot<void,TimeAxisView&> theslot)
4971 {
4972         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
4973                 theslot (**i);
4974         }
4975 }
4976
4977 RouteTimeAxisView*
4978 Editor::get_route_view_by_id (PBD::ID& id)
4979 {
4980         RouteTimeAxisView* v;
4981
4982         for(TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
4983                 if((v = dynamic_cast<RouteTimeAxisView*>(*i)) != 0) {
4984                         if(v->route()->id() == id) {
4985                                 return v;
4986                         }
4987                 }
4988         }
4989
4990         return 0;
4991 }
4992
4993 void
4994 Editor::fit_route_group (RouteGroup *g)
4995 {
4996         TrackViewList ts = axis_views_from_routes (g->route_list ());
4997         fit_tracks (ts);
4998 }
4999
5000 void
5001 Editor::consider_auditioning (boost::shared_ptr<Region> region)
5002 {
5003         boost::shared_ptr<AudioRegion> r = boost::dynamic_pointer_cast<AudioRegion> (region);
5004
5005         if (r == 0) {
5006                 _session->cancel_audition ();
5007                 return;
5008         }
5009
5010         if (_session->is_auditioning()) {
5011                 _session->cancel_audition ();
5012                 if (r == last_audition_region) {
5013                         return;
5014                 }
5015         }
5016
5017         _session->audition_region (r);
5018         last_audition_region = r;
5019 }
5020
5021
5022 void
5023 Editor::hide_a_region (boost::shared_ptr<Region> r)
5024 {
5025         r->set_hidden (true);
5026 }
5027
5028 void
5029 Editor::show_a_region (boost::shared_ptr<Region> r)
5030 {
5031         r->set_hidden (false);
5032 }
5033
5034 void
5035 Editor::audition_region_from_region_list ()
5036 {
5037         _regions->selection_mapover (sigc::mem_fun (*this, &Editor::consider_auditioning));
5038 }
5039
5040 void
5041 Editor::hide_region_from_region_list ()
5042 {
5043         _regions->selection_mapover (sigc::mem_fun (*this, &Editor::hide_a_region));
5044 }
5045
5046 void
5047 Editor::show_region_in_region_list ()
5048 {
5049         _regions->selection_mapover (sigc::mem_fun (*this, &Editor::show_a_region));
5050 }
5051
5052 void
5053 Editor::start_step_editing ()
5054 {
5055         step_edit_connection = Glib::signal_timeout().connect (sigc::mem_fun (*this, &Editor::check_step_edit), 20);
5056 }
5057
5058 void
5059 Editor::stop_step_editing ()
5060 {
5061         step_edit_connection.disconnect ();
5062 }
5063
5064 bool
5065 Editor::check_step_edit ()
5066 {
5067         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5068                 MidiTimeAxisView* mtv = dynamic_cast<MidiTimeAxisView*> (*i);
5069                 if (mtv) {
5070                         mtv->check_step_edit ();
5071                 }
5072         }
5073
5074         return true; // do it again, till we stop
5075 }
5076
5077 void
5078 Editor::horizontal_scroll_left ()
5079 {
5080         double x = leftmost_position() - current_page_frames() / 5;
5081         if (x < 0) {
5082                 x = 0;
5083         }
5084
5085         reset_x_origin (x);
5086 }
5087
5088 void
5089 Editor::horizontal_scroll_right ()
5090 {
5091         reset_x_origin (leftmost_position() + current_page_frames() / 5);
5092 }
5093
5094 /** Queue a change for the Editor viewport x origin to follow the playhead */
5095 void
5096 Editor::reset_x_origin_to_follow_playhead ()
5097 {
5098         nframes64_t const frame = playhead_cursor->current_frame;
5099
5100         if (frame < leftmost_frame || frame > leftmost_frame + current_page_frames()) {
5101
5102                 if (_session->transport_speed() < 0) {
5103
5104                         if (frame > (current_page_frames() / 2)) {
5105                                 center_screen (frame-(current_page_frames()/2));
5106                         } else {
5107                                 center_screen (current_page_frames()/2);
5108                         }
5109
5110                 } else {
5111
5112                         if (frame < leftmost_frame) {
5113                                 /* moving left */
5114                                 nframes64_t l = 0;
5115                                 if (_session->transport_rolling()) {
5116                                         /* rolling; end up with the playhead at the right of the page */
5117                                         l = frame - current_page_frames ();
5118                                 } else {
5119                                         /* not rolling: end up with the playhead 3/4 of the way along the page */
5120                                         l = frame - (3 * current_page_frames() / 4);
5121                                 }
5122
5123                                 if (l < 0) {
5124                                         l = 0;
5125                                 }
5126
5127                                 center_screen_internal (l + (current_page_frames() / 2), current_page_frames ());
5128                         } else {
5129                                 /* moving right */
5130                                 if (_session->transport_rolling()) {
5131                                         /* rolling: end up with the playhead on the left of the page */
5132                                         center_screen_internal (frame + (current_page_frames() / 2), current_page_frames ());
5133                                 } else {
5134                                         /* not rolling: end up with the playhead 1/4 of the way along the page */
5135                                         center_screen_internal (frame + (current_page_frames() / 4), current_page_frames ());
5136                                 }
5137                         }
5138                 }
5139         }
5140 }
5141
5142 void
5143 Editor::super_rapid_screen_update ()
5144 {
5145         if (!_session || !_session->engine().running()) {
5146                 return;
5147         }
5148
5149         /* METERING / MIXER STRIPS */
5150
5151         /* update track meters, if required */
5152         if (is_mapped() && meters_running) {
5153                 RouteTimeAxisView* rtv;
5154                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5155                         if ((rtv = dynamic_cast<RouteTimeAxisView*>(*i)) != 0) {
5156                                 rtv->fast_update ();
5157                         }
5158                 }
5159         }
5160
5161         /* and any current mixer strip */
5162         if (current_mixer_strip) {
5163                 current_mixer_strip->fast_update ();
5164         }
5165
5166         /* PLAYHEAD AND VIEWPORT */
5167
5168         nframes64_t const frame = _session->audible_frame();
5169
5170         /* There are a few reasons why we might not update the playhead / viewport stuff:
5171          *
5172          * 1.  we don't update things when there's a pending locate request, otherwise
5173          *     when the editor requests a locate there is a chance that this method
5174          *     will move the playhead before the locate request is processed, causing
5175          *     a visual glitch.
5176          * 2.  if we're not rolling, there's nothing to do here (locates are handled elsewhere).
5177          * 3.  if we're still at the same frame that we were last time, there's nothing to do.
5178          */
5179
5180         if (!_pending_locate_request && _session->transport_speed() != 0 && frame != last_update_frame) {
5181
5182                 last_update_frame = frame;
5183
5184                 if (!_dragging_playhead) {
5185                         playhead_cursor->set_position (frame);
5186                 }
5187
5188                 if (!_stationary_playhead) {
5189
5190                         if (!_dragging_playhead && _follow_playhead && _session->requested_return_frame() < 0) {
5191                                 reset_x_origin_to_follow_playhead ();
5192                         }
5193
5194                 } else {
5195
5196                         /* don't do continuous scroll till the new position is in the rightmost quarter of the
5197                            editor canvas
5198                         */
5199 #if 0
5200                         // FIXME DO SOMETHING THAT WORKS HERE - this is 2.X code
5201                         double target = ((double)frame - (double)current_page_frames()/2.0) / frames_per_unit;
5202                         if (target <= 0.0) {
5203                                 target = 0.0;
5204                         }
5205                         if (fabs(target - current) < current_page_frames() / frames_per_unit) {
5206                                 target = (target * 0.15) + (current * 0.85);
5207                         } else {
5208                                 /* relax */
5209                         }
5210
5211                         current = target;
5212                         horizontal_adjustment.set_value (current);
5213 #endif
5214                 }
5215
5216         }
5217 }
5218
5219
5220 void
5221 Editor::session_going_away ()
5222 {
5223         _have_idled = false;
5224
5225         _session_connections.drop_connections ();
5226
5227         super_rapid_screen_update_connection.disconnect ();
5228
5229         selection->clear ();
5230         cut_buffer->clear ();
5231
5232         clicked_regionview = 0;
5233         clicked_axisview = 0;
5234         clicked_routeview = 0;
5235         clicked_crossfadeview = 0;
5236         entered_regionview = 0;
5237         entered_track = 0;
5238         last_update_frame = 0;
5239         _drags->abort ();
5240
5241         playhead_cursor->canvas_item.hide ();
5242
5243         /* rip everything out of the list displays */
5244
5245         _regions->clear ();
5246         _routes->clear ();
5247         _route_groups->clear ();
5248
5249         /* do this first so that deleting a track doesn't reset cms to null
5250            and thus cause a leak.
5251         */
5252
5253         if (current_mixer_strip) {
5254                 if (current_mixer_strip->get_parent() != 0) {
5255                         global_hpacker.remove (*current_mixer_strip);
5256                 }
5257                 delete current_mixer_strip;
5258                 current_mixer_strip = 0;
5259         }
5260
5261         /* delete all trackviews */
5262
5263         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5264                 delete *i;
5265         }
5266         track_views.clear ();
5267
5268         zoom_range_clock.set_session (0);
5269         nudge_clock.set_session (0);
5270
5271         editor_list_button.set_active(false);
5272         editor_list_button.set_sensitive(false);
5273
5274         /* clear tempo/meter rulers */
5275         remove_metric_marks ();
5276         hide_measures ();
5277         clear_marker_display ();
5278
5279         delete current_bbt_points;
5280         current_bbt_points = 0;
5281
5282         /* get rid of any existing editor mixer strip */
5283
5284         WindowTitle title(Glib::get_application_name());
5285         title += _("Editor");
5286
5287         set_title (title.get_string());
5288
5289         SessionHandlePtr::session_going_away ();
5290 }
5291
5292
5293 void
5294 Editor::show_editor_list (bool yn)
5295 {
5296         if (yn) {
5297                 the_notebook.show();
5298         } else {
5299                 the_notebook.hide();
5300         }
5301 }