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 Editor::Editor ()
 224         : _join_object_range_state (JOIN_OBJECT_RANGE_NONE)
 225
 226           /* time display buttons */
 227         , minsec_label (_("Mins:Secs"))
 228         , bbt_label (_("Bars:Beats"))
 229         , timecode_label (_("Timecode"))
 230         , frame_label (_("Samples"))
 231         , tempo_label (_("Tempo"))
 232         , meter_label (_("Meter"))
 233         , mark_label (_("Location Markers"))
 234         , range_mark_label (_("Range Markers"))
 235         , transport_mark_label (_("Loop/Punch Ranges"))
 236         , cd_mark_label (_("CD Markers"))
 237         , edit_packer (4, 4, true)
 238
 239           /* the values here don't matter: layout widgets
 240              reset them as needed.
 241           */
 242
 243         , vertical_adjustment (0.0, 0.0, 10.0, 400.0)
 244         , horizontal_adjustment (0.0, 0.0, 20.0, 1200.0)
 245
 246           /* tool bar related */
 247
 248         , zoom_range_clock (X_("zoomrange"), false, X_("ZoomRangeClock"), true, false, true)
 249
 250         , toolbar_selection_clock_table (2,3)
 251
 252         , automation_mode_button (_("mode"))
 253         , global_automation_button (_("automation"))
 254
 255         , midi_panic_button (_("Panic"))
 256
 257 #ifdef WITH_CMT
 258         , image_socket_listener(0)
 259 #endif
 260
 261           /* nudge */
 262
 263         , nudge_clock (X_("nudge"), false, X_("NudgeClock"), true, false, true)
 264         , meters_running(false)
 265         , _pending_locate_request (false)
 266         , _pending_initial_locate (false)
 267
 268 {
 269         constructed = false;
 270
 271         /* we are a singleton */
 272
 273         PublicEditor::_instance = this;
 274
 275         _have_idled = false;
 276
 277         selection = new Selection (this);
 278         cut_buffer = new Selection (this);
 279
 280         clicked_regionview = 0;
 281         clicked_axisview = 0;
 282         clicked_routeview = 0;
 283         clicked_crossfadeview = 0;
 284         clicked_control_point = 0;
 285         last_update_frame = 0;
 286         _drags = new DragManager (this);
 287         current_mixer_strip = 0;
 288         current_bbt_points = 0;
 289         tempo_lines = 0;
 290
 291         snap_type_strings =  I18N (_snap_type_strings);
 292         snap_mode_strings =  I18N (_snap_mode_strings);
 293         zoom_focus_strings = I18N (_zoom_focus_strings);
 294         edit_point_strings = I18N (_edit_point_strings);
 295 #ifdef USE_RUBBERBAND
 296         rb_opt_strings = I18N (_rb_opt_strings);
 297 #endif
 298
 299         snap_threshold = 5.0;
 300         bbt_beat_subdivision = 4;
 301         _canvas_width = 0;
 302         _canvas_height = 0;
 303         last_autoscroll_x = 0;
 304         last_autoscroll_y = 0;
 305         autoscroll_active = false;
 306         autoscroll_timeout_tag = -1;
 307         interthread_progress_window = 0;
 308         logo_item = 0;
 309
 310         analysis_window = 0;
 311
 312         current_interthread_info = 0;
 313         _show_measures = true;
 314         _show_waveforms_recording = true;
 315         show_gain_after_trim = false;
 316         verbose_cursor_on = true;
 317         last_item_entered = 0;
 318         last_item_entered_n = 0;
 319
 320         have_pending_keyboard_selection = false;
 321         _follow_playhead = true;
 322         _xfade_visibility = true;
 323         editor_ruler_menu = 0;
 324         no_ruler_shown_update = false;
 325         marker_menu = 0;
 326         start_end_marker_menu = 0;
 327         range_marker_menu = 0;
 328         marker_menu_item = 0;
 329         tm_marker_menu = 0;
 330         transport_marker_menu = 0;
 331         new_transport_marker_menu = 0;
 332         editor_mixer_strip_width = Wide;
 333         show_editor_mixer_when_tracks_arrive = false;
 334         region_edit_menu_split_multichannel_item = 0;
 335         region_edit_menu_split_item = 0;
 336         temp_location = 0;
 337         leftmost_frame = 0;
 338         current_stepping_trackview = 0;
 339         entered_track = 0;
 340         entered_regionview = 0;
 341         entered_marker = 0;
 342         clear_entered_track = false;
 343         _new_regionviews_show_envelope = false;
 344         current_timefx = 0;
 345         playhead_cursor = 0;
 346         button_release_can_deselect = true;
 347         _dragging_playhead = false;
 348         _dragging_edit_point = false;
 349         select_new_marker = false;
 350         rhythm_ferret = 0;
 351         _bundle_manager = 0;
 352         for (ARDOUR::DataType::iterator i = ARDOUR::DataType::begin(); i != ARDOUR::DataType::end(); ++i) {
 353                 _global_port_matrix[*i] = 0;
 354         }
 355         allow_vertical_scroll = false;
 356         no_save_visual = false;
 357         resize_idle_id = -1;
 358
 359         scrubbing_direction = 0;
 360
 361         sfbrowser = 0;
 362
 363         location_marker_color = ARDOUR_UI::config()->canvasvar_LocationMarker.get();
 364         location_range_color = ARDOUR_UI::config()->canvasvar_LocationRange.get();
 365         location_cd_marker_color = ARDOUR_UI::config()->canvasvar_LocationCDMarker.get();
 366         location_loop_color = ARDOUR_UI::config()->canvasvar_LocationLoop.get();
 367         location_punch_color = ARDOUR_UI::config()->canvasvar_LocationPunch.get();
 368
 369         _edit_point = EditAtMouse;
 370         _internal_editing = false;
 371         current_canvas_cursor = 0;
 372
 373         frames_per_unit = 2048; /* too early to use reset_zoom () */
 374
 375         zoom_focus = ZoomFocusLeft;
 376         set_zoom_focus (ZoomFocusLeft);
 377         zoom_range_clock.ValueChanged.connect (sigc::mem_fun(*this, &Editor::zoom_adjustment_changed));
 378
 379         bbt_label.set_name ("EditorTimeButton");
 380         bbt_label.set_size_request (-1, (int)timebar_height);
 381         bbt_label.set_alignment (1.0, 0.5);
 382         bbt_label.set_padding (5,0);
 383         bbt_label.hide ();
 384         bbt_label.set_no_show_all();
 385         minsec_label.set_name ("EditorTimeButton");
 386         minsec_label.set_size_request (-1, (int)timebar_height);
 387         minsec_label.set_alignment (1.0, 0.5);
 388         minsec_label.set_padding (5,0);
 389         minsec_label.hide ();
 390         minsec_label.set_no_show_all();
 391         timecode_label.set_name ("EditorTimeButton");
 392         timecode_label.set_size_request (-1, (int)timebar_height);
 393         timecode_label.set_alignment (1.0, 0.5);
 394         timecode_label.set_padding (5,0);
 395         timecode_label.hide ();
 396         timecode_label.set_no_show_all();
 397         frame_label.set_name ("EditorTimeButton");
 398         frame_label.set_size_request (-1, (int)timebar_height);
 399         frame_label.set_alignment (1.0, 0.5);
 400         frame_label.set_padding (5,0);
 401         frame_label.hide ();
 402         frame_label.set_no_show_all();
 403
 404         tempo_label.set_name ("EditorTimeButton");
 405         tempo_label.set_size_request (-1, (int)timebar_height);
 406         tempo_label.set_alignment (1.0, 0.5);
 407         tempo_label.set_padding (5,0);
 408         tempo_label.hide();
 409         tempo_label.set_no_show_all();
 410         meter_label.set_name ("EditorTimeButton");
 411         meter_label.set_size_request (-1, (int)timebar_height);
 412         meter_label.set_alignment (1.0, 0.5);
 413         meter_label.set_padding (5,0);
 414         meter_label.hide();
 415         meter_label.set_no_show_all();
 416         mark_label.set_name ("EditorTimeButton");
 417         mark_label.set_size_request (-1, (int)timebar_height);
 418         mark_label.set_alignment (1.0, 0.5);
 419         mark_label.set_padding (5,0);
 420         mark_label.hide();
 421         mark_label.set_no_show_all();
 422         cd_mark_label.set_name ("EditorTimeButton");
 423         cd_mark_label.set_size_request (-1, (int)timebar_height);
 424         cd_mark_label.set_alignment (1.0, 0.5);
 425         cd_mark_label.set_padding (5,0);
 426         cd_mark_label.hide();
 427         cd_mark_label.set_no_show_all();
 428         range_mark_label.set_name ("EditorTimeButton");
 429         range_mark_label.set_size_request (-1, (int)timebar_height);
 430         range_mark_label.set_alignment (1.0, 0.5);
 431         range_mark_label.set_padding (5,0);
 432         range_mark_label.hide();
 433         range_mark_label.set_no_show_all();
 434         transport_mark_label.set_name ("EditorTimeButton");
 435         transport_mark_label.set_size_request (-1, (int)timebar_height);
 436         transport_mark_label.set_alignment (1.0, 0.5);
 437         transport_mark_label.set_padding (5,0);
 438         transport_mark_label.hide();
 439         transport_mark_label.set_no_show_all();
 440
 441         initialize_rulers ();
 442         initialize_canvas ();
 443         _summary = new EditorSummary (this);
 444
 445         selection->TimeChanged.connect (sigc::mem_fun(*this, &Editor::time_selection_changed));
 446         selection->TracksChanged.connect (sigc::mem_fun(*this, &Editor::track_selection_changed));
 447         editor_regions_selection_changed_connection = selection->RegionsChanged.connect (sigc::mem_fun(*this, &Editor::region_selection_changed));
 448         selection->PointsChanged.connect (sigc::mem_fun(*this, &Editor::point_selection_changed));
 449         selection->MarkersChanged.connect (sigc::mem_fun(*this, &Editor::marker_selection_changed));
 450
 451         edit_controls_vbox.set_spacing (0);
 452         horizontal_adjustment.signal_value_changed().connect (sigc::mem_fun(*this, &Editor::scroll_canvas_horizontally), false);
 453         vertical_adjustment.signal_value_changed().connect (sigc::mem_fun(*this, &Editor::tie_vertical_scrolling), true);
 454         track_canvas->signal_map_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_map_handler));
 455
 456         HBox* h = manage (new HBox);
 457         _group_tabs = new EditorGroupTabs (this);
 458         h->pack_start (*_group_tabs, PACK_SHRINK);
 459         h->pack_start (edit_controls_vbox);
 460         controls_layout.add (*h);
 461
 462         controls_layout.set_name ("EditControlsBase");
 463         controls_layout.add_events (Gdk::SCROLL_MASK);
 464         controls_layout.signal_scroll_event().connect (sigc::mem_fun(*this, &Editor::control_layout_scroll), false);
 465
 466         controls_layout.add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK);
 467         controls_layout.signal_button_release_event().connect (sigc::mem_fun(*this, &Editor::edit_controls_button_release));
 468         controls_layout_size_request_connection = controls_layout.signal_size_request().connect (sigc::mem_fun (*this, &Editor::controls_layout_size_request));
 469
 470         build_cursors ();
 471
 472         ArdourCanvas::Canvas* time_pad = manage(new ArdourCanvas::Canvas());
 473         ArdourCanvas::SimpleLine* pad_line_1 = manage(new ArdourCanvas::SimpleLine(*time_pad->root(),
 474                         0.0, 1.0, 100.0, 1.0));
 475         pad_line_1->property_color_rgba() = 0xFF0000FF;
 476         pad_line_1->show();
 477         time_pad->show();
 478
 479         time_canvas_vbox.set_size_request (-1, (int)(timebar_height * visible_timebars) + 2);
 480         time_canvas_vbox.set_size_request (-1, -1);
 481
 482         ruler_label_event_box.add (ruler_label_vbox);
 483         ruler_label_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 484         ruler_label_event_box.signal_button_release_event().connect (sigc::mem_fun(*this, &Editor::ruler_label_button_release));
 485
 486         time_button_event_box.add (time_button_vbox);
 487         time_button_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 488         time_button_event_box.signal_button_release_event().connect (sigc::mem_fun(*this, &Editor::ruler_label_button_release));
 489
 490         /* these enable us to have a dedicated window (for cursor setting, etc.)
 491            for the canvas areas.
 492         */
 493
 494         track_canvas_event_box.add (*track_canvas);
 495
 496         time_canvas_event_box.add (time_canvas_vbox);
 497         time_canvas_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::POINTER_MOTION_MASK);
 498
 499         edit_packer.set_col_spacings (0);
 500         edit_packer.set_row_spacings (0);
 501         edit_packer.set_homogeneous (false);
 502         edit_packer.set_border_width (0);
 503         edit_packer.set_name ("EditorWindow");
 504
 505         edit_packer.attach (zoom_vbox,               0, 1, 0, 2,    SHRINK,        FILL, 0, 0);
 506         /* labels for the rulers */
 507         edit_packer.attach (ruler_label_event_box,   1, 2, 0, 1,    FILL,        SHRINK, 0, 0);
 508         /* labels for the marker "tracks" */
 509         edit_packer.attach (time_button_event_box,   1, 2, 1, 2,    FILL,        SHRINK, 0, 0);
 510         /* the rulers */
 511         edit_packer.attach (time_canvas_event_box,   2, 3, 0, 1,    FILL|EXPAND, FILL, 0, 0);
 512         /* track controls */
 513         edit_packer.attach (controls_layout,         0, 2, 2, 3,    FILL,        FILL|EXPAND, 0, 0);
 514         /* main canvas */
 515         edit_packer.attach (track_canvas_event_box,  2, 3, 1, 3,    FILL|EXPAND, FILL|EXPAND, 0, 0);
 516
 517         bottom_hbox.set_border_width (2);
 518         bottom_hbox.set_spacing (3);
 519
 520         _route_groups = new EditorRouteGroups (this);
 521         _routes = new EditorRoutes (this);
 522         _regions = new EditorRegions (this);
 523         _snapshots = new EditorSnapshots (this);
 524         _locations = new EditorLocations (this);
 525
 526         Gtk::Label* nlabel;
 527
 528         nlabel = manage (new Label (_("Regions")));
 529         nlabel->set_angle (-90);
 530         the_notebook.append_page (_regions->widget (), *nlabel);
 531         nlabel = manage (new Label (_("Tracks/Busses")));
 532         nlabel->set_angle (-90);
 533         the_notebook.append_page (_routes->widget (), *nlabel);
 534         nlabel = manage (new Label (_("Snapshots")));
 535         nlabel->set_angle (-90);
 536         the_notebook.append_page (_snapshots->widget (), *nlabel);
 537         nlabel = manage (new Label (_("Route Groups")));
 538         nlabel->set_angle (-90);
 539         the_notebook.append_page (_route_groups->widget (), *nlabel);
 540         nlabel = manage (new Label (_("Ranges & Marks")));
 541         nlabel->set_angle (-90);
 542         the_notebook.append_page (_locations->widget (), *nlabel);
 543
 544         the_notebook.set_show_tabs (true);
 545         the_notebook.set_scrollable (true);
 546         the_notebook.popup_disable ();
 547         the_notebook.set_tab_pos (Gtk::POS_RIGHT);
 548         the_notebook.show_all ();
 549
 550         post_maximal_editor_width = 0;
 551         post_maximal_pane_position = 0;
 552
 553         VPaned *editor_summary_pane = manage(new VPaned());
 554         editor_summary_pane->pack1(edit_packer);
 555
 556         Button* summary_arrows_left_left = manage (new Button);
 557         summary_arrows_left_left->add (*manage (new Arrow (ARROW_LEFT, SHADOW_NONE)));
 558         summary_arrows_left_left->signal_clicked().connect (sigc::mem_fun (*this, &Editor::horizontal_scroll_left));
 559         Button* summary_arrows_left_right = manage (new Button);
 560         summary_arrows_left_right->add (*manage (new Arrow (ARROW_RIGHT, SHADOW_NONE)));
 561         summary_arrows_left_right->signal_clicked().connect (sigc::mem_fun (*this, &Editor::horizontal_scroll_right));
 562         VBox* summary_arrows_left = manage (new VBox);
 563         summary_arrows_left->pack_start (*summary_arrows_left_left);
 564         summary_arrows_left->pack_start (*summary_arrows_left_right);
 565
 566         Button* summary_arrows_right_left = manage (new Button);
 567         summary_arrows_right_left->add (*manage (new Arrow (ARROW_LEFT, SHADOW_NONE)));
 568         summary_arrows_right_left->signal_clicked().connect (sigc::mem_fun (*this, &Editor::horizontal_scroll_left));
 569         Button* summary_arrows_right_right = manage (new Button);
 570         summary_arrows_right_right->add (*manage (new Arrow (ARROW_RIGHT, SHADOW_NONE)));
 571         summary_arrows_right_right->signal_clicked().connect (sigc::mem_fun (*this, &Editor::horizontal_scroll_right));
 572         VBox* summary_arrows_right = manage (new VBox);
 573         summary_arrows_right->pack_start (*summary_arrows_right_left);
 574         summary_arrows_right->pack_start (*summary_arrows_right_right);
 575
 576         Frame* summary_frame = manage (new Frame);
 577         summary_frame->set_shadow_type (Gtk::SHADOW_ETCHED_IN);
 578         summary_frame->add (*_summary);
 579         summary_frame->show ();
 580
 581         _summary_hbox.pack_start (*summary_arrows_left, false, false);
 582         _summary_hbox.pack_start (*summary_frame, true, true);
 583         _summary_hbox.pack_start (*summary_arrows_right, false, false);
 584
 585         editor_summary_pane->pack2 (_summary_hbox);
 586
 587         edit_pane.pack1 (*editor_summary_pane, true, true);
 588         edit_pane.pack2 (the_notebook, false, true);
 589
 590         edit_pane.signal_size_allocate().connect (sigc::bind (sigc::mem_fun(*this, &Editor::pane_allocation_handler), static_cast<Paned*> (&edit_pane)));
 591
 592         top_hbox.pack_start (toolbar_frame, false, true);
 593
 594         HBox *hbox = manage (new HBox);
 595         hbox->pack_start (edit_pane, true, true);
 596
 597         global_vpacker.pack_start (top_hbox, false, false);
 598         global_vpacker.pack_start (*hbox, true, true);
 599
 600         global_hpacker.pack_start (global_vpacker, true, true);
 601
 602         set_name ("EditorWindow");
 603         add_accel_group (ActionManager::ui_manager->get_accel_group());
 604
 605         status_bar_hpacker.show ();
 606
 607         vpacker.pack_end (status_bar_hpacker, false, false);
 608         vpacker.pack_end (global_hpacker, true, true);
 609
 610         /* register actions now so that set_state() can find them and set toggles/checks etc */
 611
 612         register_actions ();
 613
 614         setup_toolbar ();
 615         setup_midi_toolbar ();
 616
 617         _snap_type = SnapToBeat;
 618         set_snap_to (_snap_type);
 619         _snap_mode = SnapOff;
 620         set_snap_mode (_snap_mode);
 621         set_mouse_mode (MouseObject, true);
 622         set_edit_point_preference (EditAtMouse, true);
 623
 624         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
 625         set_state (*node, Stateful::loading_state_version);
 626
 627         _playlist_selector = new PlaylistSelector();
 628         _playlist_selector->signal_delete_event().connect (sigc::bind (sigc::ptr_fun (just_hide_it), static_cast<Window *> (_playlist_selector)));
 629
 630         RegionView::RegionViewGoingAway.connect (*this, ui_bind (&Editor::catch_vanishing_regionview, this, _1), gui_context());
 631
 632         /* nudge stuff */
 633
 634         nudge_forward_button.add (*(manage (new Image (::get_icon("nudge_right")))));
 635         nudge_backward_button.add (*(manage (new Image (::get_icon("nudge_left")))));
 636
 637         nudge_forward_button.set_name ("TransportButton");
 638         nudge_backward_button.set_name ("TransportButton");
 639
 640         fade_context_menu.set_name ("ArdourContextMenu");
 641
 642         /* icons, titles, WM stuff */
 643
 644         list<Glib::RefPtr<Gdk::Pixbuf> > window_icons;
 645         Glib::RefPtr<Gdk::Pixbuf> icon;
 646
 647         if ((icon = ::get_icon ("ardour_icon_16px")) != 0) {
 648                 window_icons.push_back (icon);
 649         }
 650         if ((icon = ::get_icon ("ardour_icon_22px")) != 0) {
 651                 window_icons.push_back (icon);
 652         }
 653         if ((icon = ::get_icon ("ardour_icon_32px")) != 0) {
 654                 window_icons.push_back (icon);
 655         }
 656         if ((icon = ::get_icon ("ardour_icon_48px")) != 0) {
 657                 window_icons.push_back (icon);
 658         }
 659         if (!window_icons.empty()) {
 660                 set_icon_list (window_icons);
 661                 set_default_icon_list (window_icons);
 662         }
 663
 664         WindowTitle title(Glib::get_application_name());
 665         title += _("Editor");
 666         set_title (title.get_string());
 667         set_wmclass (X_("ardour_editor"), "Ardour");
 668
 669         add (vpacker);
 670         add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK);
 671
 672         signal_configure_event().connect (sigc::mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::configure_handler));
 673         signal_delete_event().connect (sigc::mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::exit_on_main_window_close));
 674
 675         /* allow external control surfaces/protocols to do various things */
 676
 677         ControlProtocol::ZoomToSession.connect (*this, boost::bind (&Editor::temporal_zoom_session, this), gui_context());
 678         ControlProtocol::ZoomIn.connect (*this, boost::bind (&Editor::temporal_zoom_step, this, false), gui_context());
 679         ControlProtocol::ZoomOut.connect (*this, boost::bind (&Editor::temporal_zoom_step, this, true), gui_context());
 680         ControlProtocol::ScrollTimeline.connect (*this, ui_bind (&Editor::control_scroll, this, _1), gui_context());
 681         BasicUI::AccessAction.connect (*this, ui_bind (&Editor::access_action, this, _1, _2), gui_context());
 682
 683         /* problematic: has to return a value and thus cannot be x-thread */
 684
 685         Session::AskAboutPlaylistDeletion.connect_same_thread (*this, boost::bind (&Editor::playlist_deletion_dialog, this, _1));
 686
 687         Config->ParameterChanged.connect (*this, ui_bind (&Editor::parameter_changed, this, _1), gui_context());
 688
 689         TimeAxisView::CatchDeletion.connect (*this, ui_bind (&Editor::timeaxisview_deleted, this, _1), gui_context());
 690
 691         _last_normalization_value = 0;
 692
 693         constructed = true;
 694         instant_save ();
 695 }
 696
 697 Editor::~Editor()
 698 {
 699 #ifdef WITH_CMT
 700         if(image_socket_listener) {
 701                 if(image_socket_listener->is_connected())
 702                 {
 703                         image_socket_listener->close_connection() ;
 704                 }
 705
 706                 delete image_socket_listener ;
 707                 image_socket_listener = 0 ;
 708         }
 709 #endif
 710
 711         delete _routes;
 712         delete _route_groups;
 713         delete track_canvas;
 714         delete _drags;
 715 }
 716
 717 void
 718 Editor::add_toplevel_controls (Container& cont)
 719 {
 720         vpacker.pack_start (cont, false, false);
 721         cont.show_all ();
 722 }
 723
 724 void
 725 Editor::catch_vanishing_regionview (RegionView *rv)
 726 {
 727         /* note: the selection will take care of the vanishing
 728            audioregionview by itself.
 729         */
 730
 731         if (_drags->active() && _drags->have_item (rv->get_canvas_group()) && !_drags->ending()) {
 732                 _drags->abort ();
 733         }
 734
 735         if (clicked_regionview == rv) {
 736                 clicked_regionview = 0;
 737         }
 738
 739         if (entered_regionview == rv) {
 740                 set_entered_regionview (0);
 741         }
 742 }
 743
 744 void
 745 Editor::set_entered_regionview (RegionView* rv)
 746 {
 747         if (rv == entered_regionview) {
 748                 return;
 749         }
 750
 751         if (entered_regionview) {
 752                 entered_regionview->exited ();
 753         }
 754
 755         if ((entered_regionview = rv) != 0) {
 756                 entered_regionview->entered ();
 757         }
 758 }
 759
 760 void
 761 Editor::set_entered_track (TimeAxisView* tav)
 762 {
 763         if (entered_track) {
 764                 entered_track->exited ();
 765         }
 766
 767         if ((entered_track = tav) != 0) {
 768                 entered_track->entered ();
 769         }
 770 }
 771
 772 void
 773 Editor::show_window ()
 774 {
 775         if (! is_visible ()) {
 776                 show_all ();
 777
 778                 /* re-hide editor list if necessary */
 779                 editor_list_button_toggled ();
 780
 781                 /* re-hide summary widget if necessary */
 782                 parameter_changed ("show-summary");
 783
 784                 parameter_changed ("show-edit-group-tabs");
 785
 786                 /* now reset all audio_time_axis heights, because widgets might need
 787                    to be re-hidden
 788                 */
 789
 790                 TimeAxisView *tv;
 791
 792                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
 793                         tv = (static_cast<TimeAxisView*>(*i));
 794                         tv->reset_height ();
 795                 }
 796
 797                 reset_zoom (frames_per_unit);
 798         }
 799
 800         present ();
 801 }
 802
 803 void
 804 Editor::instant_save ()
 805 {
 806         if (!constructed || !ARDOUR_UI::instance()->session_loaded) {
 807                 return;
 808         }
 809
 810         if (_session) {
 811                 _session->add_instant_xml(get_state());
 812         } else {
 813                 Config->add_instant_xml(get_state());
 814         }
 815 }
 816
 817 void
 818 Editor::zoom_adjustment_changed ()
 819 {
 820         if (_session == 0) {
 821                 return;
 822         }
 823
 824         double fpu = zoom_range_clock.current_duration() / _canvas_width;
 825
 826         if (fpu < 1.0) {
 827                 fpu = 1.0;
 828                 zoom_range_clock.set ((nframes64_t) floor (fpu * _canvas_width));
 829         } else if (fpu > _session->current_end_frame() / _canvas_width) {
 830                 fpu = _session->current_end_frame() / _canvas_width;
 831                 zoom_range_clock.set ((nframes64_t) floor (fpu * _canvas_width));
 832         }
 833
 834         temporal_zoom (fpu);
 835 }
 836
 837 void
 838 Editor::control_scroll (float fraction)
 839 {
 840         ENSURE_GUI_THREAD (*this, &Editor::control_scroll, fraction)
 841
 842         if (!_session) {
 843                 return;
 844         }
 845
 846         double step = fraction * current_page_frames();
 847
 848         /*
 849                 _control_scroll_target is an optional<T>
 850
 851                 it acts like a pointer to an nframes64_t, with
 852                 a operator conversion to boolean to check
 853                 that it has a value could possibly use
 854                 playhead_cursor->current_frame to store the
 855                 value and a boolean in the class to know
 856                 when it's out of date
 857         */
 858
 859         if (!_control_scroll_target) {
 860                 _control_scroll_target = _session->transport_frame();
 861                 _dragging_playhead = true;
 862         }
 863
 864         if ((fraction < 0.0f) && (*_control_scroll_target < (nframes64_t) fabs(step))) {
 865                 *_control_scroll_target = 0;
 866         } else if ((fraction > 0.0f) && (max_frames - *_control_scroll_target < step)) {
 867                 *_control_scroll_target = max_frames - (current_page_frames()*2); // allow room for slop in where the PH is on the screen
 868         } else {
 869                 *_control_scroll_target += (nframes64_t) floor (step);
 870         }
 871
 872         /* move visuals, we'll catch up with it later */
 873
 874         playhead_cursor->set_position (*_control_scroll_target);
 875         UpdateAllTransportClocks (*_control_scroll_target);
 876
 877         if (*_control_scroll_target > (current_page_frames() / 2)) {
 878                 /* try to center PH in window */
 879                 reset_x_origin (*_control_scroll_target - (current_page_frames()/2));
 880         } else {
 881                 reset_x_origin (0);
 882         }
 883
 884         /*
 885                 Now we do a timeout to actually bring the session to the right place
 886                 according to the playhead. This is to avoid reading disk buffers on every
 887                 call to control_scroll, which is driven by ScrollTimeline and therefore
 888                 probably by a control surface wheel which can generate lots of events.
 889         */
 890         /* cancel the existing timeout */
 891
 892         control_scroll_connection.disconnect ();
 893
 894         /* add the next timeout */
 895
 896         control_scroll_connection = Glib::signal_timeout().connect (sigc::bind (sigc::mem_fun (*this, &Editor::deferred_control_scroll), *_control_scroll_target), 250);
 897 }
 898
 899 bool
 900 Editor::deferred_control_scroll (nframes64_t /*target*/)
 901 {
 902         _session->request_locate (*_control_scroll_target, _session->transport_rolling());
 903         // reset for next stream
 904         _control_scroll_target = boost::none;
 905         _dragging_playhead = false;
 906         return false;
 907 }
 908
 909 void
 910 Editor::access_action (std::string action_group, std::string action_item)
 911 {
 912         if (!_session) {
 913                 return;
 914         }
 915
 916         ENSURE_GUI_THREAD (*this, &Editor::access_action, action_group, action_item)
 917
 918         RefPtr<Action> act;
 919         act = ActionManager::get_action( action_group.c_str(), action_item.c_str() );
 920
 921         if (act) {
 922                 act->activate();
 923         }
 924 }
 925
 926 void
 927 Editor::on_realize ()
 928 {
 929         Window::on_realize ();
 930         Realized ();
 931 }
 932
 933 void
 934 Editor::map_position_change (nframes64_t frame)
 935 {
 936         ENSURE_GUI_THREAD (*this, &Editor::map_position_change, frame)
 937
 938         if (_session == 0 || !_follow_playhead) {
 939                 return;
 940         }
 941
 942         center_screen (frame);
 943         playhead_cursor->set_position (frame);
 944 }
 945
 946 void
 947 Editor::center_screen (nframes64_t frame)
 948 {
 949         double page = _canvas_width * frames_per_unit;
 950
 951         /* if we're off the page, then scroll.
 952          */
 953
 954         if (frame < leftmost_frame || frame >= leftmost_frame + page) {
 955                 center_screen_internal (frame, page);
 956         }
 957 }
 958
 959 void
 960 Editor::center_screen_internal (nframes64_t frame, float page)
 961 {
 962         page /= 2;
 963
 964         if (frame > page) {
 965                 frame -= (nframes64_t) page;
 966         } else {
 967                 frame = 0;
 968         }
 969
 970         reset_x_origin (frame);
 971 }
 972
 973 void
 974 Editor::handle_new_duration ()
 975 {
 976         if (!_session) {
 977                 return;
 978         }
 979
 980         ENSURE_GUI_THREAD (*this, &Editor::handle_new_duration)
 981         nframes64_t new_end = _session->current_end_frame() + (nframes64_t) floorf (current_page_frames() * 0.10f);
 982
 983         horizontal_adjustment.set_upper (new_end / frames_per_unit);
 984         horizontal_adjustment.set_page_size (current_page_frames()/frames_per_unit);
 985
 986         if (horizontal_adjustment.get_value() + _canvas_width > horizontal_adjustment.get_upper()) {
 987                 horizontal_adjustment.set_value (horizontal_adjustment.get_upper() - _canvas_width);
 988         }
 989         //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
 990 }
 991
 992 void
 993 Editor::update_title ()
 994 {
 995         ENSURE_GUI_THREAD (*this, &Editor::update_title)
 996
 997         if (_session) {
 998                 bool dirty = _session->dirty();
 999
1000                 string session_name;
1001
1002                 if (_session->snap_name() != _session->name()) {
1003                         session_name = _session->snap_name();
1004                 } else {
1005                         session_name = _session->name();
1006                 }
1007
1008                 if (dirty) {
1009                         session_name = "*" + session_name;
1010                 }
1011
1012                 WindowTitle title(session_name);
1013                 title += Glib::get_application_name();
1014                 set_title (title.get_string());
1015         }
1016 }
1017
1018 void
1019 Editor::set_session (Session *t)
1020 {
1021         SessionHandlePtr::set_session (t);
1022
1023         if (!_session) {
1024                 return;
1025         }
1026
1027         zoom_range_clock.set_session (_session);
1028         _playlist_selector->set_session (_session);
1029         nudge_clock.set_session (_session);
1030         _summary->set_session (_session);
1031         _group_tabs->set_session (_session);
1032         _route_groups->set_session (_session);
1033         _regions->set_session (_session);
1034         _snapshots->set_session (_session);
1035         _routes->set_session (_session);
1036         _locations->set_session (_session);
1037
1038         if (rhythm_ferret) {
1039                 rhythm_ferret->set_session (_session);
1040         }
1041
1042         if (analysis_window) {
1043                 analysis_window->set_session (_session);
1044         }
1045
1046         if (sfbrowser) {
1047                 sfbrowser->set_session (_session);
1048         }
1049
1050         compute_fixed_ruler_scale ();
1051
1052         /* there are never any selected regions at startup */
1053         sensitize_the_right_region_actions (false);
1054
1055         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
1056         set_state (*node, Stateful::loading_state_version);
1057
1058         /* catch up with the playhead */
1059
1060         _session->request_locate (playhead_cursor->current_frame);
1061         _pending_initial_locate = true;
1062
1063         update_title ();
1064
1065         /* These signals can all be emitted by a non-GUI thread. Therefore the
1066            handlers for them must not attempt to directly interact with the GUI,
1067            but use Gtkmm2ext::UI::instance()->call_slot();
1068         */
1069
1070         _session->TransportStateChange.connect (_session_connections, boost::bind (&Editor::map_transport_state, this), gui_context());
1071         _session->PositionChanged.connect (_session_connections, ui_bind (&Editor::map_position_change, this, _1), gui_context());
1072         _session->RouteAdded.connect (_session_connections, ui_bind (&Editor::handle_new_route, this, _1), gui_context());
1073         _session->DurationChanged.connect (_session_connections, boost::bind (&Editor::handle_new_duration, this), gui_context());
1074         _session->DirtyChanged.connect (_session_connections, boost::bind (&Editor::update_title, this), gui_context());
1075         _session->TimecodeOffsetChanged.connect (_session_connections, boost::bind (&Editor::update_just_timecode, this), gui_context());
1076         _session->tempo_map().PropertyChanged.connect (_session_connections, ui_bind (&Editor::tempo_map_changed, this, _1), gui_context());
1077         _session->Located.connect (_session_connections, boost::bind (&Editor::located, this), gui_context());
1078         _session->config.ParameterChanged.connect (_session_connections, ui_bind (&Editor::parameter_changed, this, _1), gui_context());
1079         _session->StateSaved.connect (_session_connections, ui_bind (&Editor::session_state_saved, this, _1), gui_context());
1080         _session->locations()->added.connect (_session_connections, ui_bind (&Editor::add_new_location, this, _1), gui_context());
1081         _session->locations()->removed.connect (_session_connections, ui_bind (&Editor::location_gone, this, _1), gui_context());
1082         _session->locations()->changed.connect (_session_connections, boost::bind (&Editor::refresh_location_display, this), gui_context());
1083         _session->locations()->StateChanged.connect (_session_connections, ui_bind (&Editor::refresh_location_display_s, this, _1), gui_context());
1084         _session->locations()->end_location()->changed.connect (_session_connections, ui_bind (&Editor::end_location_changed, this, _1), gui_context());
1085         _session->history().Changed.connect (_session_connections, boost::bind (&Editor::history_changed, this), gui_context());
1086
1087         if (Profile->get_sae()) {
1088                 BBT_Time bbt;
1089                 bbt.bars = 0;
1090                 bbt.beats = 0;
1091                 bbt.ticks = 120;
1092                 nframes_t pos = _session->tempo_map().bbt_duration_at (0, bbt, 1);
1093                 nudge_clock.set_mode(AudioClock::BBT);
1094                 nudge_clock.set (pos, true, 0, AudioClock::BBT);
1095
1096         } else {
1097                 nudge_clock.set (_session->frame_rate() * 5, true, 0, AudioClock::Timecode); // default of 5 seconds
1098         }
1099
1100         playhead_cursor->canvas_item.show ();
1101
1102         Location* loc = _session->locations()->auto_loop_location();
1103         if (loc == 0) {
1104                 loc = new Location (0, _session->current_end_frame(), _("Loop"),(Location::Flags) (Location::IsAutoLoop | Location::IsHidden));
1105                 if (loc->start() == loc->end()) {
1106                         loc->set_end (loc->start() + 1);
1107                 }
1108                 _session->locations()->add (loc, false);
1109                 _session->set_auto_loop_location (loc);
1110         } else {
1111                 // force name
1112                 loc->set_name (_("Loop"));
1113         }
1114
1115         loc = _session->locations()->auto_punch_location();
1116         if (loc == 0) {
1117                 loc = new Location (0, _session->current_end_frame(), _("Punch"), (Location::Flags) (Location::IsAutoPunch | Location::IsHidden));
1118                 if (loc->start() == loc->end()) {
1119                         loc->set_end (loc->start() + 1);
1120                 }
1121                 _session->locations()->add (loc, false);
1122                 _session->set_auto_punch_location (loc);
1123         } else {
1124                 // force name
1125                 loc->set_name (_("Punch"));
1126         }
1127
1128         boost::function<void (string)> pc (boost::bind (&Editor::parameter_changed, this, _1));
1129         Config->map_parameters (pc);
1130         _session->config.map_parameters (pc);
1131
1132         refresh_location_display ();
1133         handle_new_duration ();
1134
1135         restore_ruler_visibility ();
1136         //tempo_map_changed (PropertyChange (0));
1137         _session->tempo_map().apply_with_metrics (*this, &Editor::draw_metric_marks);
1138
1139         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
1140                 (static_cast<TimeAxisView*>(*i))->set_samples_per_unit (frames_per_unit);
1141         }
1142
1143         super_rapid_screen_update_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect (
1144                 sigc::mem_fun (*this, &Editor::super_rapid_screen_update)
1145                 );
1146
1147         switch (_snap_type) {
1148         case SnapToRegionStart:
1149         case SnapToRegionEnd:
1150         case SnapToRegionSync:
1151         case SnapToRegionBoundary:
1152                 build_region_boundary_cache ();
1153                 break;
1154
1155         default:
1156                 break;
1157         }
1158
1159         /* register for undo history */
1160         _session->register_with_memento_command_factory(_id, this);
1161
1162         start_updating_meters ();
1163 }
1164
1165 void
1166 Editor::build_cursors ()
1167 {
1168         using namespace Gdk;
1169
1170         Gdk::Color mbg ("#000000" ); /* Black */
1171         Gdk::Color mfg ("#0000ff" ); /* Blue. */
1172
1173         {
1174                 RefPtr<Bitmap> source, mask;
1175                 source = Bitmap::create (mag_bits, mag_width, mag_height);
1176                 mask = Bitmap::create (magmask_bits, mag_width, mag_height);
1177                 zoom_cursor = new Gdk::Cursor (source, mask, mfg, mbg, mag_x_hot, mag_y_hot);
1178         }
1179
1180         Gdk::Color fbg ("#ffffff" );
1181         Gdk::Color ffg  ("#000000" );
1182
1183         {
1184                 RefPtr<Bitmap> source, mask;
1185
1186                 source = Bitmap::create (fader_cursor_bits, fader_cursor_width, fader_cursor_height);
1187                 mask = Bitmap::create (fader_cursor_mask_bits, fader_cursor_width, fader_cursor_height);
1188                 fader_cursor = new Gdk::Cursor (source, mask, ffg, fbg, fader_cursor_x_hot, fader_cursor_y_hot);
1189         }
1190
1191         {
1192                 RefPtr<Bitmap> source, mask;
1193                 source = Bitmap::create (speaker_cursor_bits, speaker_cursor_width, speaker_cursor_height);
1194                 mask = Bitmap::create (speaker_cursor_mask_bits, speaker_cursor_width, speaker_cursor_height);
1195                 speaker_cursor = new Gdk::Cursor (source, mask, ffg, fbg, speaker_cursor_x_hot, speaker_cursor_y_hot);
1196         }
1197
1198         {
1199                 RefPtr<Bitmap> bits;
1200                 char pix[4] = { 0, 0, 0, 0 };
1201                 bits = Bitmap::create (pix, 2, 2);
1202                 Gdk::Color c;
1203                 transparent_cursor = new Gdk::Cursor (bits, bits, c, c, 0, 0);
1204         }
1205
1206         {
1207                 RefPtr<Bitmap> bits;
1208                 char pix[4] = { 0, 0, 0, 0 };
1209                 bits = Bitmap::create (pix, 2, 2);
1210                 Gdk::Color c;
1211                 transparent_cursor = new Gdk::Cursor (bits, bits, c, c, 0, 0);
1212         }
1213
1214
1215         grabber_cursor = new Gdk::Cursor (HAND2);
1216
1217         {
1218                 Glib::RefPtr<Gdk::Pixbuf> grabber_edit_point_pixbuf (::get_icon ("grabber_edit_point"));
1219                 grabber_edit_point_cursor = new Gdk::Cursor (Gdk::Display::get_default(), grabber_edit_point_pixbuf, 5, 17);
1220         }
1221
1222         cross_hair_cursor = new Gdk::Cursor (CROSSHAIR);
1223         trimmer_cursor =  new Gdk::Cursor (SB_H_DOUBLE_ARROW);
1224         selector_cursor = new Gdk::Cursor (XTERM);
1225         time_fx_cursor = new Gdk::Cursor (SIZING);
1226         wait_cursor = new Gdk::Cursor  (WATCH);
1227         timebar_cursor = new Gdk::Cursor(LEFT_PTR);
1228         midi_pencil_cursor = new Gdk::Cursor (PENCIL);
1229         midi_select_cursor = new Gdk::Cursor (CENTER_PTR);
1230         midi_resize_cursor = new Gdk::Cursor (SIZING);
1231         midi_erase_cursor = new Gdk::Cursor (DRAPED_BOX);
1232 }
1233
1234 /** Pop up a context menu for when the user clicks on a fade in or fade out */
1235 void
1236 Editor::popup_fade_context_menu (int button, int32_t time, ArdourCanvas::Item* item, ItemType item_type)
1237 {
1238         using namespace Menu_Helpers;
1239         AudioRegionView* arv = static_cast<AudioRegionView*> (item->get_data ("regionview"));
1240
1241         if (arv == 0) {
1242                 fatal << _("programming error: fade in canvas item has no regionview data pointer!") << endmsg;
1243                 /*NOTREACHED*/
1244         }
1245
1246         MenuList& items (fade_context_menu.items());
1247
1248         items.clear ();
1249
1250         switch (item_type) {
1251         case FadeInItem:
1252         case FadeInHandleItem:
1253                 if (arv->audio_region()->fade_in_active()) {
1254                         items.push_back (MenuElem (_("Deactivate"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_active), false)));
1255                 } else {
1256                         items.push_back (MenuElem (_("Activate"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_active), true)));
1257                 }
1258
1259                 items.push_back (SeparatorElem());
1260
1261                 if (Profile->get_sae()) {
1262                         items.push_back (MenuElem (_("Linear"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Linear)));
1263                         items.push_back (MenuElem (_("Slowest"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Fast)));
1264                 } else {
1265                         items.push_back (MenuElem (_("Linear"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Linear)));
1266                         items.push_back (MenuElem (_("Slowest"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Fast)));
1267                         items.push_back (MenuElem (_("Slow"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::LogB)));
1268                         items.push_back (MenuElem (_("Fast"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::LogA)));
1269                         items.push_back (MenuElem (_("Fastest"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Slow)));
1270                 }
1271
1272                 break;
1273
1274         case FadeOutItem:
1275         case FadeOutHandleItem:
1276                 if (arv->audio_region()->fade_out_active()) {
1277                         items.push_back (MenuElem (_("Deactivate"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_active), false)));
1278                 } else {
1279                         items.push_back (MenuElem (_("Activate"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_active), true)));
1280                 }
1281
1282                 items.push_back (SeparatorElem());
1283
1284                 if (Profile->get_sae()) {
1285                         items.push_back (MenuElem (_("Linear"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Linear)));
1286                         items.push_back (MenuElem (_("Slowest"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Slow)));
1287                 } else {
1288                         items.push_back (MenuElem (_("Linear"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Linear)));
1289                         items.push_back (MenuElem (_("Slowest"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Slow)));
1290                         items.push_back (MenuElem (_("Slow"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::LogA)));
1291                         items.push_back (MenuElem (_("Fast"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::LogB)));
1292                         items.push_back (MenuElem (_("Fastest"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Fast)));
1293                 }
1294
1295                 break;
1296
1297         default:
1298                 fatal << _("programming error: ")
1299                       << X_("non-fade canvas item passed to popup_fade_context_menu()")
1300                       << endmsg;
1301                 /*NOTREACHED*/
1302         }
1303
1304         fade_context_menu.popup (button, time);
1305 }
1306
1307 void
1308 Editor::popup_track_context_menu (int button, int32_t time, ItemType item_type, bool with_selection, nframes64_t frame)
1309 {
1310         using namespace Menu_Helpers;
1311         Menu* (Editor::*build_menu_function)(nframes64_t);
1312         Menu *menu;
1313
1314         switch (item_type) {
1315         case RegionItem:
1316         case RegionViewName:
1317         case RegionViewNameHighlight:
1318                 if (with_selection) {
1319                         build_menu_function = &Editor::build_track_selection_context_menu;
1320                 } else {
1321                         build_menu_function = &Editor::build_track_region_context_menu;
1322                 }
1323                 break;
1324
1325         case SelectionItem:
1326                 if (with_selection) {
1327                         build_menu_function = &Editor::build_track_selection_context_menu;
1328                 } else {
1329                         build_menu_function = &Editor::build_track_context_menu;
1330                 }
1331                 break;
1332
1333         case CrossfadeViewItem:
1334                 build_menu_function = &Editor::build_track_crossfade_context_menu;
1335                 break;
1336
1337         case StreamItem:
1338                 if (clicked_routeview->get_diskstream()) {
1339                         build_menu_function = &Editor::build_track_context_menu;
1340                 } else {
1341                         build_menu_function = &Editor::build_track_bus_context_menu;
1342                 }
1343                 break;
1344
1345         default:
1346                 /* probably shouldn't happen but if it does, we don't care */
1347                 return;
1348         }
1349
1350         menu = (this->*build_menu_function)(frame);
1351         menu->set_name ("ArdourContextMenu");
1352
1353         /* now handle specific situations */
1354
1355         switch (item_type) {
1356         case RegionItem:
1357         case RegionViewName:
1358         case RegionViewNameHighlight:
1359                 if (!with_selection) {
1360                         if (region_edit_menu_split_item) {
1361                                 if (clicked_regionview && clicked_regionview->region()->covers (get_preferred_edit_position())) {
1362                                         ActionManager::set_sensitive (ActionManager::edit_point_in_region_sensitive_actions, true);
1363                                 } else {
1364                                         ActionManager::set_sensitive (ActionManager::edit_point_in_region_sensitive_actions, false);
1365                                 }
1366                         }
1367                         /*
1368                         if (region_edit_menu_split_multichannel_item) {
1369                                 if (clicked_regionview && clicked_regionview->region().n_channels() > 1) {
1370                                         // GTK2FIX find the action, change its sensitivity
1371                                         // region_edit_menu_split_multichannel_item->set_sensitive (true);
1372                                 } else {
1373                                         // GTK2FIX see above
1374                                         // region_edit_menu_split_multichannel_item->set_sensitive (false);
1375                                 }
1376                         }*/
1377                 }
1378                 break;
1379
1380         case SelectionItem:
1381                 break;
1382
1383         case CrossfadeViewItem:
1384                 break;
1385
1386         case StreamItem:
1387                 break;
1388
1389         default:
1390                 /* probably shouldn't happen but if it does, we don't care */
1391                 return;
1392         }
1393
1394         if (item_type != SelectionItem && clicked_routeview && clicked_routeview->audio_track()) {
1395
1396                 /* Bounce to disk */
1397
1398                 using namespace Menu_Helpers;
1399                 MenuList& edit_items  = menu->items();
1400
1401                 edit_items.push_back (SeparatorElem());
1402
1403                 switch (clicked_routeview->audio_track()->freeze_state()) {
1404                 case AudioTrack::NoFreeze:
1405                         edit_items.push_back (MenuElem (_("Freeze"), sigc::mem_fun(*this, &Editor::freeze_route)));
1406                         break;
1407
1408                 case AudioTrack::Frozen:
1409                         edit_items.push_back (MenuElem (_("Unfreeze"), sigc::mem_fun(*this, &Editor::unfreeze_route)));
1410                         break;
1411
1412                 case AudioTrack::UnFrozen:
1413                         edit_items.push_back (MenuElem (_("Freeze"), sigc::mem_fun(*this, &Editor::freeze_route)));
1414                         break;
1415                 }
1416
1417         }
1418
1419         if (item_type == StreamItem && clicked_routeview) {
1420                 clicked_routeview->build_underlay_menu(menu);
1421         }
1422
1423         menu->popup (button, time);
1424 }
1425
1426 Menu*
1427 Editor::build_track_context_menu (nframes64_t)
1428 {
1429         using namespace Menu_Helpers;
1430
1431         MenuList& edit_items = track_context_menu.items();
1432         edit_items.clear();
1433
1434         add_dstream_context_items (edit_items);
1435         return &track_context_menu;
1436 }
1437
1438 Menu*
1439 Editor::build_track_bus_context_menu (nframes64_t)
1440 {
1441         using namespace Menu_Helpers;
1442
1443         MenuList& edit_items = track_context_menu.items();
1444         edit_items.clear();
1445
1446         add_bus_context_items (edit_items);
1447         return &track_context_menu;
1448 }
1449
1450 Menu*
1451 Editor::build_track_region_context_menu (nframes64_t frame)
1452 {
1453         using namespace Menu_Helpers;
1454         MenuList& edit_items  = track_region_context_menu.items();
1455         edit_items.clear();
1456
1457         RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (clicked_axisview);
1458
1459         if (rtv) {
1460                 boost::shared_ptr<Diskstream> ds;
1461                 boost::shared_ptr<Playlist> pl;
1462
1463                 if ((ds = rtv->get_diskstream()) && ((pl = ds->playlist()))) {
1464                         Playlist::RegionList* regions = pl->regions_at ((nframes64_t) floor ( (double)frame * ds->speed()));
1465
1466                         if (selection->regions.size() > 1) {
1467                                 // there's already a multiple selection: just add a
1468                                 // single region context menu that will act on all
1469                                 // selected regions
1470                                 boost::shared_ptr<Region> dummy_region; // = NULL
1471                                 add_region_context_items (rtv->view(), dummy_region, edit_items);
1472                         } else {
1473                                 for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
1474                                         add_region_context_items (rtv->view(), (*i), edit_items);
1475                                 }
1476                         }
1477
1478                         delete regions;
1479                 }
1480         }
1481
1482         add_dstream_context_items (edit_items);
1483
1484         return &track_region_context_menu;
1485 }
1486
1487 Menu*
1488 Editor::build_track_crossfade_context_menu (nframes64_t frame)
1489 {
1490         using namespace Menu_Helpers;
1491         MenuList& edit_items  = track_crossfade_context_menu.items();
1492         edit_items.clear ();
1493
1494         AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*> (clicked_axisview);
1495
1496         if (atv) {
1497                 boost::shared_ptr<Diskstream> ds;
1498                 boost::shared_ptr<Playlist> pl;
1499                 boost::shared_ptr<AudioPlaylist> apl;
1500
1501                 if ((ds = atv->get_diskstream()) && ((pl = ds->playlist()) != 0) && ((apl = boost::dynamic_pointer_cast<AudioPlaylist> (pl)) != 0)) {
1502
1503                         Playlist::RegionList* regions = pl->regions_at (frame);
1504                         AudioPlaylist::Crossfades xfades;
1505
1506                         apl->crossfades_at (frame, xfades);
1507
1508                         bool many = xfades.size() > 1;
1509
1510                         for (AudioPlaylist::Crossfades::iterator i = xfades.begin(); i != xfades.end(); ++i) {
1511                                 add_crossfade_context_items (atv->audio_view(), (*i), edit_items, many);
1512                         }
1513
1514                         if (selection->regions.size() > 1) {
1515                                 // there's already a multiple selection: just add a
1516                                 // single region context menu that will act on all
1517                                 // selected regions
1518                                 boost::shared_ptr<Region> dummy_region; // = NULL
1519                                 add_region_context_items (atv->audio_view(), dummy_region, edit_items);
1520                         } else {
1521                                 for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
1522                                         add_region_context_items (atv->audio_view(), (*i), edit_items);
1523                                 }
1524                         }
1525                         delete regions;
1526                 }
1527         }
1528
1529         add_dstream_context_items (edit_items);
1530
1531         return &track_crossfade_context_menu;
1532 }
1533
1534 void
1535 Editor::analyze_region_selection()
1536 {
1537         if (analysis_window == 0) {
1538                 analysis_window = new AnalysisWindow();
1539
1540                 if (_session != 0)
1541                         analysis_window->set_session(_session);
1542
1543                 analysis_window->show_all();
1544         }
1545
1546         analysis_window->set_regionmode();
1547         analysis_window->analyze();
1548
1549         analysis_window->present();
1550 }
1551
1552 void
1553 Editor::analyze_range_selection()
1554 {
1555         if (analysis_window == 0) {
1556                 analysis_window = new AnalysisWindow();
1557
1558                 if (_session != 0)
1559                         analysis_window->set_session(_session);
1560
1561                 analysis_window->show_all();
1562         }
1563
1564         analysis_window->set_rangemode();
1565         analysis_window->analyze();
1566
1567         analysis_window->present();
1568 }
1569
1570 Menu*
1571 Editor::build_track_selection_context_menu (nframes64_t)
1572 {
1573         using namespace Menu_Helpers;
1574         MenuList& edit_items  = track_selection_context_menu.items();
1575         edit_items.clear ();
1576
1577         add_selection_context_items (edit_items);
1578         // edit_items.push_back (SeparatorElem());
1579         // add_dstream_context_items (edit_items);
1580
1581         return &track_selection_context_menu;
1582 }
1583
1584 /** Add context menu items relevant to crossfades.
1585  * @param edit_items List to add the items to.
1586  */
1587 void
1588 Editor::add_crossfade_context_items (AudioStreamView* /*view*/, boost::shared_ptr<Crossfade> xfade, Menu_Helpers::MenuList& edit_items, bool many)
1589 {
1590         using namespace Menu_Helpers;
1591         Menu     *xfade_menu = manage (new Menu);
1592         MenuList& items       = xfade_menu->items();
1593         xfade_menu->set_name ("ArdourContextMenu");
1594         string str;
1595
1596         if (xfade->active()) {
1597                 str = _("Mute");
1598         } else {
1599                 str = _("Unmute");
1600         }
1601
1602         items.push_back (MenuElem (str, sigc::bind (sigc::mem_fun(*this, &Editor::toggle_xfade_active), boost::weak_ptr<Crossfade> (xfade))));
1603         items.push_back (MenuElem (_("Edit"), sigc::bind (sigc::mem_fun(*this, &Editor::edit_xfade), boost::weak_ptr<Crossfade> (xfade))));
1604
1605         if (xfade->can_follow_overlap()) {
1606
1607                 if (xfade->following_overlap()) {
1608                         str = _("Convert to Short");
1609                 } else {
1610                         str = _("Convert to Full");
1611                 }
1612
1613                 items.push_back (MenuElem (str, sigc::bind (sigc::mem_fun(*this, &Editor::toggle_xfade_length), xfade)));
1614         }
1615
1616         if (many) {
1617                 str = xfade->out()->name();
1618                 str += "->";
1619                 str += xfade->in()->name();
1620         } else {
1621                 str = _("Crossfade");
1622         }
1623
1624         edit_items.push_back (MenuElem (str, *xfade_menu));
1625         edit_items.push_back (SeparatorElem());
1626 }
1627
1628 void
1629 Editor::xfade_edit_left_region ()
1630 {
1631         if (clicked_crossfadeview) {
1632                 clicked_crossfadeview->left_view.show_region_editor ();
1633         }
1634 }
1635
1636 void
1637 Editor::xfade_edit_right_region ()
1638 {
1639         if (clicked_crossfadeview) {
1640                 clicked_crossfadeview->right_view.show_region_editor ();
1641         }
1642 }
1643
1644 void
1645 Editor::add_region_context_items (StreamView* sv, boost::shared_ptr<Region> region, Menu_Helpers::MenuList& edit_items)
1646 {
1647         using namespace Menu_Helpers;
1648         Gtk::MenuItem* foo_item;
1649         Menu     *region_menu = manage (new Menu);
1650         MenuList& items       = region_menu->items();
1651         region_menu->set_name ("ArdourContextMenu");
1652
1653         boost::shared_ptr<AudioRegion> ar;
1654         boost::shared_ptr<MidiRegion>  mr;
1655
1656         if (region) {
1657                 ar = boost::dynamic_pointer_cast<AudioRegion> (region);
1658                 mr = boost::dynamic_pointer_cast<MidiRegion> (region);
1659
1660                 /* when this particular menu pops up, make the relevant region
1661                    become selected.
1662                 */
1663
1664                 region_menu->signal_map_event().connect (
1665                         sigc::bind (sigc::mem_fun(*this, &Editor::set_selected_regionview_from_map_event), sv, boost::weak_ptr<Region>(region)));
1666
1667                 items.push_back (MenuElem (_("Rename..."), sigc::mem_fun(*this, &Editor::rename_region)));
1668                 if (mr && internal_editing()) {
1669                         items.push_back (MenuElem (_("List editor..."), sigc::mem_fun(*this, &Editor::show_midi_list_editor)));
1670                 } else {
1671                         items.push_back (MenuElem (_("Region Properties..."), sigc::mem_fun(*this, &Editor::edit_region)));
1672                 }
1673         }
1674
1675         items.push_back (MenuElem (_("Raise to Top Layer"), sigc::mem_fun(*this, &Editor::raise_region_to_top)));
1676         items.push_back (MenuElem (_("Lower to Bottom Layer"), sigc::mem_fun  (*this, &Editor::lower_region_to_bottom)));
1677         items.push_back (SeparatorElem());
1678         items.push_back (MenuElem (_("Define Sync Point"), sigc::mem_fun(*this, &Editor::set_region_sync_from_edit_point)));
1679         if (_edit_point == EditAtMouse) {
1680                 items.back ().set_sensitive (false);
1681         }
1682         items.push_back (MenuElem (_("Remove Sync Point"), sigc::mem_fun(*this, &Editor::remove_region_sync)));
1683         items.push_back (SeparatorElem());
1684
1685         items.push_back (MenuElem (_("Audition"), sigc::mem_fun(*this, &Editor::play_selected_region)));
1686         items.push_back (MenuElem (_("Export"), sigc::mem_fun(*this, &Editor::export_region)));
1687         items.push_back (MenuElem (_("Bounce"), sigc::mem_fun(*this, &Editor::bounce_region_selection)));
1688
1689         if (ar) {
1690                 items.push_back (MenuElem (_("Spectral Analysis"), sigc::mem_fun(*this, &Editor::analyze_region_selection)));
1691         }
1692
1693         items.push_back (SeparatorElem());
1694
1695         sigc::connection fooc;
1696         boost::shared_ptr<Region> region_to_check;
1697
1698         if (region) {
1699                 region_to_check = region;
1700         } else {
1701                 region_to_check = selection->regions.front()->region();
1702         }
1703
1704         items.push_back (CheckMenuElem (_("Lock")));
1705         CheckMenuItem* region_lock_item = static_cast<CheckMenuItem*>(&items.back());
1706         if (region_to_check->locked()) {
1707                 region_lock_item->set_active();
1708         }
1709         region_lock_item->signal_activate().connect (sigc::mem_fun(*this, &Editor::toggle_region_lock));
1710
1711         items.push_back (CheckMenuElem (_("Glue to Bars and Beats")));
1712         CheckMenuItem* bbt_glue_item = static_cast<CheckMenuItem*>(&items.back());
1713
1714         switch (region_to_check->positional_lock_style()) {
1715         case Region::MusicTime:
1716                 bbt_glue_item->set_active (true);
1717                 break;
1718         default:
1719                 bbt_glue_item->set_active (false);
1720                 break;
1721         }
1722
1723         bbt_glue_item->signal_activate().connect (sigc::bind (sigc::mem_fun (*this, &Editor::set_region_lock_style), Region::MusicTime));
1724
1725         items.push_back (CheckMenuElem (_("Mute")));
1726         CheckMenuItem* region_mute_item = static_cast<CheckMenuItem*>(&items.back());
1727         fooc = region_mute_item->signal_activate().connect (sigc::mem_fun(*this, &Editor::toggle_region_mute));
1728         if (region_to_check->muted()) {
1729                 fooc.block (true);
1730                 region_mute_item->set_active();
1731                 fooc.block (false);
1732         }
1733
1734         if (!Profile->get_sae()) {
1735                 items.push_back (CheckMenuElem (_("Opaque")));
1736                 CheckMenuItem* region_opaque_item = static_cast<CheckMenuItem*>(&items.back());
1737                 fooc = region_opaque_item->signal_activate().connect (sigc::mem_fun(*this, &Editor::toggle_region_opaque));
1738                 if (region_to_check->opaque()) {
1739                         fooc.block (true);
1740                         region_opaque_item->set_active();
1741                         fooc.block (false);
1742                 }
1743         }
1744
1745         items.push_back (CheckMenuElem (_("Original Position"), sigc::mem_fun(*this, &Editor::naturalize)));
1746         if (region_to_check->at_natural_position()) {
1747                 items.back().set_sensitive (false);
1748         }
1749
1750         items.push_back (SeparatorElem());
1751
1752         if (ar) {
1753
1754                 RegionView* rv = sv->find_view (ar);
1755                 AudioRegionView* arv = dynamic_cast<AudioRegionView*>(rv);
1756
1757                 if (!Profile->get_sae()) {
1758                         items.push_back (MenuElem (_("Reset Envelope"), sigc::mem_fun(*this, &Editor::reset_region_gain_envelopes)));
1759
1760                         items.push_back (CheckMenuElem (_("Envelope Visible")));
1761                         CheckMenuItem* region_envelope_visible_item = static_cast<CheckMenuItem*> (&items.back());
1762                         fooc = region_envelope_visible_item->signal_activate().connect (sigc::mem_fun(*this, &Editor::toggle_gain_envelope_visibility));
1763                         if (arv->envelope_visible()) {
1764                                 fooc.block (true);
1765                                 region_envelope_visible_item->set_active (true);
1766                                 fooc.block (false);
1767                         }
1768
1769                         items.push_back (CheckMenuElem (_("Envelope Active")));
1770                         CheckMenuItem* region_envelope_active_item = static_cast<CheckMenuItem*> (&items.back());
1771                         fooc = region_envelope_active_item->signal_activate().connect (sigc::mem_fun(*this, &Editor::toggle_gain_envelope_active));
1772
1773                         if (ar->envelope_active()) {
1774                                 fooc.block (true);
1775                                 region_envelope_active_item->set_active (true);
1776                                 fooc.block (false);
1777                         }
1778
1779                         items.push_back (SeparatorElem());
1780                 }
1781
1782                 items.push_back (MenuElem (_("Normalize"), sigc::mem_fun(*this, &Editor::normalize_region)));
1783                 if (ar->scale_amplitude() != 1) {
1784                         items.push_back (MenuElem (_("Reset Gain"), sigc::mem_fun(*this, &Editor::reset_region_scale_amplitude)));
1785                 }
1786
1787         } else if (mr) {
1788                 items.push_back (MenuElem (_("Quantize"), sigc::mem_fun(*this, &Editor::quantize_region)));
1789                 items.push_back (SeparatorElem());
1790         }
1791
1792         items.push_back (MenuElem (_("Strip Silence..."), sigc::mem_fun (*this, &Editor::strip_region_silence)));
1793         items.push_back (MenuElem (_("Reverse"), sigc::mem_fun(*this, &Editor::reverse_region)));
1794         items.push_back (SeparatorElem());
1795
1796         /* range related stuff */
1797
1798         items.push_back (MenuElem (_("Add Single Range"), sigc::mem_fun (*this, &Editor::add_location_from_audio_region)));
1799         items.push_back (MenuElem (_("Add Range Markers"), sigc::mem_fun (*this, &Editor::add_locations_from_audio_region)));
1800         if (selection->regions.size() < 2) {
1801                 items.back().set_sensitive (false);
1802         }
1803
1804         items.push_back (MenuElem (_("Set Range Selection"), sigc::mem_fun (*this, &Editor::set_selection_from_region)));
1805         items.push_back (SeparatorElem());
1806
1807         /* Nudge region */
1808
1809         Menu *nudge_menu = manage (new Menu());
1810         MenuList& nudge_items = nudge_menu->items();
1811         nudge_menu->set_name ("ArdourContextMenu");
1812
1813         nudge_items.push_back (MenuElem (_("Nudge Forward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_forward), false, false))));
1814         nudge_items.push_back (MenuElem (_("Nudge Backward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_backward), false, false))));
1815         nudge_items.push_back (MenuElem (_("Nudge Forward by Capture Offset"), (sigc::mem_fun(*this, &Editor::nudge_forward_capture_offset))));
1816         nudge_items.push_back (MenuElem (_("Nudge Backward by Capture Offset"), (sigc::mem_fun(*this, &Editor::nudge_backward_capture_offset))));
1817
1818         items.push_back (MenuElem (_("Nudge"), *nudge_menu));
1819         items.push_back (SeparatorElem());
1820
1821         Menu *trim_menu = manage (new Menu);
1822         MenuList& trim_items = trim_menu->items();
1823         trim_menu->set_name ("ArdourContextMenu");
1824
1825         trim_items.push_back (MenuElem (_("Start to Edit Point"), sigc::mem_fun(*this, &Editor::trim_region_from_edit_point)));
1826         foo_item = &trim_items.back();
1827         if (_edit_point == EditAtMouse) {
1828                 foo_item->set_sensitive (false);
1829         }
1830         trim_items.push_back (MenuElem (_("Edit Point to End"), sigc::mem_fun(*this, &Editor::trim_region_to_edit_point)));
1831         foo_item = &trim_items.back();
1832         if (_edit_point == EditAtMouse) {
1833                 foo_item->set_sensitive (false);
1834         }
1835         trim_items.push_back (MenuElem (_("Trim to Loop"), sigc::mem_fun(*this, &Editor::trim_region_to_loop)));
1836         trim_items.push_back (MenuElem (_("Trim to Punch"), sigc::mem_fun(*this, &Editor::trim_region_to_punch)));
1837
1838         items.push_back (MenuElem (_("Trim"), *trim_menu));
1839         items.push_back (SeparatorElem());
1840
1841         items.push_back (MenuElem (_("Split"), (sigc::mem_fun(*this, &Editor::split))));
1842         region_edit_menu_split_item = &items.back();
1843
1844         if (_edit_point == EditAtMouse) {
1845                 region_edit_menu_split_item->set_sensitive (false);
1846         }
1847
1848         items.push_back (MenuElem (_("Make Mono Regions"), (sigc::mem_fun(*this, &Editor::split_multichannel_region))));
1849         region_edit_menu_split_multichannel_item = &items.back();
1850
1851         items.push_back (MenuElem (_("Duplicate"), (sigc::bind (sigc::mem_fun(*this, &Editor::duplicate_dialog), false))));
1852         items.push_back (MenuElem (_("Multi-Duplicate"), (sigc::bind (sigc::mem_fun(*this, &Editor::duplicate_dialog), true))));
1853         items.push_back (MenuElem (_("Fill Track"), (sigc::mem_fun(*this, &Editor::region_fill_track))));
1854         items.push_back (SeparatorElem());
1855         items.push_back (MenuElem (_("Remove"), sigc::mem_fun(*this, &Editor::remove_selected_regions)));
1856
1857         /* OK, stick the region submenu at the top of the list, and then add
1858            the standard items.
1859         */
1860
1861         /* we have to hack up the region name because "_" has a special
1862            meaning for menu titles.
1863         */
1864
1865         string::size_type pos = 0;
1866         string menu_item_name = (region) ? region->name() : _("Selected Regions");
1867
1868         while ((pos = menu_item_name.find ("_", pos)) != string::npos) {
1869                 menu_item_name.replace (pos, 1, "__");
1870                 pos += 2;
1871         }
1872
1873         edit_items.push_back (MenuElem (menu_item_name, *region_menu));
1874         edit_items.push_back (SeparatorElem());
1875 }
1876
1877 /** Add context menu items relevant to selection ranges.
1878  * @param edit_items List to add the items to.
1879  */
1880 void
1881 Editor::add_selection_context_items (Menu_Helpers::MenuList& edit_items)
1882 {
1883         using namespace Menu_Helpers;
1884
1885         edit_items.push_back (MenuElem (_("Play Range"), sigc::mem_fun(*this, &Editor::play_selection)));
1886         edit_items.push_back (MenuElem (_("Loop Range"), sigc::bind (sigc::mem_fun(*this, &Editor::set_loop_from_selection), true)));
1887
1888         edit_items.push_back (SeparatorElem());
1889         edit_items.push_back (MenuElem (_("Spectral Analysis"), sigc::mem_fun(*this, &Editor::analyze_range_selection)));
1890
1891         if (!selection->regions.empty()) {
1892                 edit_items.push_back (SeparatorElem());
1893                 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)));
1894                 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)));
1895         }
1896
1897         edit_items.push_back (SeparatorElem());
1898         edit_items.push_back (MenuElem (_("Silence Range"), sigc::mem_fun(*this, &Editor::separate_region_from_selection)));
1899         edit_items.push_back (MenuElem (_("Convert to Region in Region List"), sigc::mem_fun(*this, &Editor::new_region_from_selection)));
1900
1901         edit_items.push_back (SeparatorElem());
1902         edit_items.push_back (MenuElem (_("Select All in Range"), sigc::mem_fun(*this, &Editor::select_all_selectables_using_time_selection)));
1903
1904         edit_items.push_back (SeparatorElem());
1905         edit_items.push_back (MenuElem (_("Set Loop from Range"), sigc::bind (sigc::mem_fun(*this, &Editor::set_loop_from_selection), false)));
1906         edit_items.push_back (MenuElem (_("Set Punch from Range"), sigc::mem_fun(*this, &Editor::set_punch_from_selection)));
1907
1908         edit_items.push_back (SeparatorElem());
1909         edit_items.push_back (MenuElem (_("Add Range Markers"), sigc::mem_fun (*this, &Editor::add_location_from_selection)));
1910
1911         edit_items.push_back (SeparatorElem());
1912         edit_items.push_back (MenuElem (_("Crop Region to Range"), sigc::mem_fun(*this, &Editor::crop_region_to_selection)));
1913         edit_items.push_back (MenuElem (_("Fill Range with Region"), sigc::mem_fun(*this, &Editor::region_fill_selection)));
1914         edit_items.push_back (MenuElem (_("Duplicate Range"), sigc::bind (sigc::mem_fun(*this, &Editor::duplicate_dialog), false)));
1915
1916         edit_items.push_back (SeparatorElem());
1917         edit_items.push_back (MenuElem (_("Consolidate Range"), sigc::bind (sigc::mem_fun(*this, &Editor::bounce_range_selection), true, false)));
1918         edit_items.push_back (MenuElem (_("Consolidate Range With Processing"), sigc::bind (sigc::mem_fun(*this, &Editor::bounce_range_selection), true, true)));
1919         edit_items.push_back (MenuElem (_("Bounce Range to Region List"), sigc::bind (sigc::mem_fun(*this, &Editor::bounce_range_selection), false, false)));
1920         edit_items.push_back (MenuElem (_("Bounce Range to Region List With Processing"), sigc::bind (sigc::mem_fun(*this, &Editor::bounce_range_selection), false, true)));
1921         edit_items.push_back (MenuElem (_("Export Range"), sigc::mem_fun(*this, &Editor::export_range)));
1922 }
1923
1924
1925 void
1926 Editor::add_dstream_context_items (Menu_Helpers::MenuList& edit_items)
1927 {
1928         using namespace Menu_Helpers;
1929
1930         /* Playback */
1931
1932         Menu *play_menu = manage (new Menu);
1933         MenuList& play_items = play_menu->items();
1934         play_menu->set_name ("ArdourContextMenu");
1935
1936         play_items.push_back (MenuElem (_("Play From Edit Point"), sigc::mem_fun(*this, &Editor::play_from_edit_point)));
1937         play_items.push_back (MenuElem (_("Play From Start"), sigc::mem_fun(*this, &Editor::play_from_start)));
1938         play_items.push_back (MenuElem (_("Play Region"), sigc::mem_fun(*this, &Editor::play_selected_region)));
1939         play_items.push_back (SeparatorElem());
1940         play_items.push_back (MenuElem (_("Loop Region"), sigc::mem_fun(*this, &Editor::loop_selected_region)));
1941
1942         edit_items.push_back (MenuElem (_("Play"), *play_menu));
1943
1944         /* Selection */
1945
1946         Menu *select_menu = manage (new Menu);
1947         MenuList& select_items = select_menu->items();
1948         select_menu->set_name ("ArdourContextMenu");
1949
1950         select_items.push_back (MenuElem (_("Select All in Track"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
1951         select_items.push_back (MenuElem (_("Select All"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all), Selection::Set)));
1952         select_items.push_back (MenuElem (_("Invert Selection in Track"), sigc::mem_fun(*this, &Editor::invert_selection_in_track)));
1953         select_items.push_back (MenuElem (_("Invert Selection"), sigc::mem_fun(*this, &Editor::invert_selection)));
1954         select_items.push_back (SeparatorElem());
1955         select_items.push_back (MenuElem (_("Set Range to Loop Range"), sigc::mem_fun(*this, &Editor::set_selection_from_loop)));
1956         select_items.push_back (MenuElem (_("Set Range to Punch Range"), sigc::mem_fun(*this, &Editor::set_selection_from_punch)));
1957         select_items.push_back (SeparatorElem());
1958         select_items.push_back (MenuElem (_("Select All After Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_edit), true)));
1959         select_items.push_back (MenuElem (_("Select All Before Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_edit), false)));
1960         select_items.push_back (MenuElem (_("Select All After Playhead"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
1961         select_items.push_back (MenuElem (_("Select All Before Playhead"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
1962         select_items.push_back (MenuElem (_("Select All Between Playhead and Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_between), false)));
1963         select_items.push_back (MenuElem (_("Select All Within Playhead and Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_between), true)));
1964         select_items.push_back (MenuElem (_("Select Range Between Playhead and Edit Point"), sigc::mem_fun(*this, &Editor::select_range_between)));
1965
1966         edit_items.push_back (MenuElem (_("Select"), *select_menu));
1967
1968         /* Cut-n-Paste */
1969
1970         Menu *cutnpaste_menu = manage (new Menu);
1971         MenuList& cutnpaste_items = cutnpaste_menu->items();
1972         cutnpaste_menu->set_name ("ArdourContextMenu");
1973
1974         cutnpaste_items.push_back (MenuElem (_("Cut"), sigc::mem_fun(*this, &Editor::cut)));
1975         cutnpaste_items.push_back (MenuElem (_("Copy"), sigc::mem_fun(*this, &Editor::copy)));
1976         cutnpaste_items.push_back (MenuElem (_("Paste"), sigc::bind (sigc::mem_fun(*this, &Editor::paste), 1.0f)));
1977
1978         cutnpaste_items.push_back (SeparatorElem());
1979
1980         cutnpaste_items.push_back (MenuElem (_("Align"), sigc::bind (sigc::mem_fun(*this, &Editor::align), ARDOUR::SyncPoint)));
1981         cutnpaste_items.push_back (MenuElem (_("Align Relative"), sigc::bind (sigc::mem_fun(*this, &Editor::align_relative), ARDOUR::SyncPoint)));
1982
1983         edit_items.push_back (MenuElem (_("Edit"), *cutnpaste_menu));
1984
1985         /* Adding new material */
1986
1987         edit_items.push_back (SeparatorElem());
1988         edit_items.push_back (MenuElem (_("Insert Selected Region"), sigc::bind (sigc::mem_fun(*this, &Editor::insert_region_list_selection), 1.0f)));
1989         edit_items.push_back (MenuElem (_("Insert Existing Media"), sigc::bind (sigc::mem_fun(*this, &Editor::add_external_audio_action), ImportToTrack)));
1990
1991         /* Nudge track */
1992
1993         Menu *nudge_menu = manage (new Menu());
1994         MenuList& nudge_items = nudge_menu->items();
1995         nudge_menu->set_name ("ArdourContextMenu");
1996
1997         edit_items.push_back (SeparatorElem());
1998         nudge_items.push_back (MenuElem (_("Nudge Entire Track Forward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), false, true))));
1999         nudge_items.push_back (MenuElem (_("Nudge Track After Edit Point Forward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), true, true))));
2000         nudge_items.push_back (MenuElem (_("Nudge Entire Track Backward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), false, false))));
2001         nudge_items.push_back (MenuElem (_("Nudge Track After Edit Point Backward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), true, false))));
2002
2003         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
2004 }
2005
2006 void
2007 Editor::add_bus_context_items (Menu_Helpers::MenuList& edit_items)
2008 {
2009         using namespace Menu_Helpers;
2010
2011         /* Playback */
2012
2013         Menu *play_menu = manage (new Menu);
2014         MenuList& play_items = play_menu->items();
2015         play_menu->set_name ("ArdourContextMenu");
2016
2017         play_items.push_back (MenuElem (_("Play From Edit Point"), sigc::mem_fun(*this, &Editor::play_from_edit_point)));
2018         play_items.push_back (MenuElem (_("Play From Start"), sigc::mem_fun(*this, &Editor::play_from_start)));
2019         edit_items.push_back (MenuElem (_("Play"), *play_menu));
2020
2021         /* Selection */
2022
2023         Menu *select_menu = manage (new Menu);
2024         MenuList& select_items = select_menu->items();
2025         select_menu->set_name ("ArdourContextMenu");
2026
2027         select_items.push_back (MenuElem (_("Select All in Track"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
2028         select_items.push_back (MenuElem (_("Select All"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all), Selection::Set)));
2029         select_items.push_back (MenuElem (_("Invert Selection in Track"), sigc::mem_fun(*this, &Editor::invert_selection_in_track)));
2030         select_items.push_back (MenuElem (_("Invert Selection"), sigc::mem_fun(*this, &Editor::invert_selection)));
2031         select_items.push_back (SeparatorElem());
2032         select_items.push_back (MenuElem (_("Select All After Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_edit), true)));
2033         select_items.push_back (MenuElem (_("Select All Before Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_edit), false)));
2034         select_items.push_back (MenuElem (_("Select All After Playhead"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
2035         select_items.push_back (MenuElem (_("Select All Before Playhead"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
2036
2037         edit_items.push_back (MenuElem (_("Select"), *select_menu));
2038
2039         /* Cut-n-Paste */
2040
2041         Menu *cutnpaste_menu = manage (new Menu);
2042         MenuList& cutnpaste_items = cutnpaste_menu->items();
2043         cutnpaste_menu->set_name ("ArdourContextMenu");
2044
2045         cutnpaste_items.push_back (MenuElem (_("Cut"), sigc::mem_fun(*this, &Editor::cut)));
2046         cutnpaste_items.push_back (MenuElem (_("Copy"), sigc::mem_fun(*this, &Editor::copy)));
2047         cutnpaste_items.push_back (MenuElem (_("Paste"), sigc::bind (sigc::mem_fun(*this, &Editor::paste), 1.0f)));
2048
2049         Menu *nudge_menu = manage (new Menu());
2050         MenuList& nudge_items = nudge_menu->items();
2051         nudge_menu->set_name ("ArdourContextMenu");
2052
2053         edit_items.push_back (SeparatorElem());
2054         nudge_items.push_back (MenuElem (_("Nudge Entire Track Forward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), false, true))));
2055         nudge_items.push_back (MenuElem (_("Nudge Track After Edit Point Forward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), true, true))));
2056         nudge_items.push_back (MenuElem (_("Nudge Entire Track Backward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), false, false))));
2057         nudge_items.push_back (MenuElem (_("Nudge Track After Edit Point Backward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), true, false))));
2058
2059         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
2060 }
2061
2062 SnapType
2063 Editor::snap_type() const
2064 {
2065         return _snap_type;
2066 }
2067
2068 SnapMode
2069 Editor::snap_mode() const
2070 {
2071         return _snap_mode;
2072 }
2073
2074 void
2075 Editor::set_snap_to (SnapType st)
2076 {
2077         unsigned int snap_ind = (unsigned int)st;
2078
2079         _snap_type = st;
2080
2081         if (snap_ind > snap_type_strings.size() - 1) {
2082                 snap_ind = 0;
2083                 _snap_type = (SnapType)snap_ind;
2084         }
2085
2086         string str = snap_type_strings[snap_ind];
2087
2088         if (str != snap_type_selector.get_active_text()) {
2089                 snap_type_selector.set_active_text (str);
2090         }
2091
2092         instant_save ();
2093
2094         switch (_snap_type) {
2095         case SnapToAThirtysecondBeat:
2096         case SnapToASixteenthBeat:
2097         case SnapToAEighthBeat:
2098         case SnapToAQuarterBeat:
2099         case SnapToAThirdBeat:
2100                 compute_bbt_ruler_scale (leftmost_frame, leftmost_frame + current_page_frames());
2101                 update_tempo_based_rulers ();
2102                 break;
2103
2104         case SnapToRegionStart:
2105         case SnapToRegionEnd:
2106         case SnapToRegionSync:
2107         case SnapToRegionBoundary:
2108                 build_region_boundary_cache ();
2109                 break;
2110
2111         default:
2112                 /* relax */
2113                 break;
2114     }
2115 }
2116
2117 void
2118 Editor::set_snap_mode (SnapMode mode)
2119 {
2120         _snap_mode = mode;
2121         string str = snap_mode_strings[(int)mode];
2122
2123         if (str != snap_mode_selector.get_active_text ()) {
2124                 snap_mode_selector.set_active_text (str);
2125         }
2126
2127         instant_save ();
2128 }
2129 void
2130 Editor::set_edit_point_preference (EditPoint ep, bool force)
2131 {
2132         bool changed = (_edit_point != ep);
2133
2134         _edit_point = ep;
2135         string str = edit_point_strings[(int)ep];
2136
2137         if (str != edit_point_selector.get_active_text ()) {
2138                 edit_point_selector.set_active_text (str);
2139         }
2140
2141         set_canvas_cursor ();
2142
2143         if (!force && !changed) {
2144                 return;
2145         }
2146
2147         const char* action=NULL;
2148
2149         switch (_edit_point) {
2150         case EditAtPlayhead:
2151                 action = "edit-at-playhead";
2152                 break;
2153         case EditAtSelectedMarker:
2154                 action = "edit-at-marker";
2155                 break;
2156         case EditAtMouse:
2157                 action = "edit-at-mouse";
2158                 break;
2159         }
2160
2161         Glib::RefPtr<Action> act = ActionManager::get_action ("Editor", action);
2162         if (act) {
2163                 Glib::RefPtr<RadioAction>::cast_dynamic(act)->set_active (true);
2164         }
2165
2166         nframes64_t foo;
2167         bool in_track_canvas;
2168
2169         if (!mouse_frame (foo, in_track_canvas)) {
2170                 in_track_canvas = false;
2171         }
2172
2173         reset_canvas_action_sensitivity (in_track_canvas);
2174
2175         instant_save ();
2176 }
2177
2178 int
2179 Editor::set_state (const XMLNode& node, int /*version*/)
2180 {
2181         const XMLProperty* prop;
2182         XMLNode* geometry;
2183         int x, y, xoff, yoff;
2184         Gdk::Geometry g;
2185
2186         if ((prop = node.property ("id")) != 0) {
2187                 _id = prop->value ();
2188         }
2189
2190         g.base_width = default_width;
2191         g.base_height = default_height;
2192         x = 1;
2193         y = 1;
2194         xoff = 0;
2195         yoff = 21;
2196
2197         if ((geometry = find_named_node (node, "geometry")) != 0) {
2198
2199                 XMLProperty* prop;
2200
2201                 if ((prop = geometry->property("x_size")) == 0) {
2202                         prop = geometry->property ("x-size");
2203                 }
2204                 if (prop) {
2205                         g.base_width = atoi(prop->value());
2206                 }
2207                 if ((prop = geometry->property("y_size")) == 0) {
2208                         prop = geometry->property ("y-size");
2209                 }
2210                 if (prop) {
2211                         g.base_height = atoi(prop->value());
2212                 }
2213
2214                 if ((prop = geometry->property ("x_pos")) == 0) {
2215                         prop = geometry->property ("x-pos");
2216                 }
2217                 if (prop) {
2218                         x = atoi (prop->value());
2219
2220                 }
2221                 if ((prop = geometry->property ("y_pos")) == 0) {
2222                         prop = geometry->property ("y-pos");
2223                 }
2224                 if (prop) {
2225                         y = atoi (prop->value());
2226                 }
2227
2228                 if ((prop = geometry->property ("x_off")) == 0) {
2229                         prop = geometry->property ("x-off");
2230                 }
2231                 if (prop) {
2232                         xoff = atoi (prop->value());
2233                 }
2234                 if ((prop = geometry->property ("y_off")) == 0) {
2235                         prop = geometry->property ("y-off");
2236                 }
2237                 if (prop) {
2238                         yoff = atoi (prop->value());
2239                 }
2240         }
2241
2242         set_default_size (g.base_width, g.base_height);
2243         move (x, y);
2244
2245         if (_session && (prop = node.property ("playhead"))) {
2246                 nframes64_t pos = atol (prop->value().c_str());
2247                 playhead_cursor->set_position (pos);
2248         } else {
2249                 playhead_cursor->set_position (0);
2250         }
2251
2252         if ((prop = node.property ("mixer-width"))) {
2253                 editor_mixer_strip_width = Width (string_2_enum (prop->value(), editor_mixer_strip_width));
2254         }
2255
2256         if ((prop = node.property ("zoom-focus"))) {
2257                 set_zoom_focus ((ZoomFocus) atoi (prop->value()));
2258         }
2259
2260         if ((prop = node.property ("zoom"))) {
2261                 reset_zoom (PBD::atof (prop->value()));
2262         }
2263
2264         if ((prop = node.property ("snap-to"))) {
2265                 set_snap_to ((SnapType) atoi (prop->value()));
2266         }
2267
2268         if ((prop = node.property ("snap-mode"))) {
2269                 set_snap_mode ((SnapMode) atoi (prop->value()));
2270         }
2271
2272         if ((prop = node.property ("mouse-mode"))) {
2273                 MouseMode m = str2mousemode(prop->value());
2274                 set_mouse_mode (m, true);
2275         } else {
2276                 set_mouse_mode (MouseObject, true);
2277         }
2278
2279         if ((prop = node.property ("left-frame")) != 0){
2280                 nframes64_t pos;
2281                 if (sscanf (prop->value().c_str(), "%" PRId64, &pos) == 1) {
2282                         reset_x_origin (pos);
2283                 }
2284         }
2285
2286         if ((prop = node.property ("y-origin")) != 0) {
2287                 reset_y_origin (atof (prop->value ()));
2288         }
2289
2290         if ((prop = node.property ("internal-edit"))) {
2291                 bool yn = string_is_affirmative (prop->value());
2292                 RefPtr<Action> act = ActionManager::get_action (X_("MouseMode"), X_("toggle-internal-edit"));
2293                 if (act) {
2294                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2295                         tact->set_active (!yn);
2296                         tact->set_active (yn);
2297                 }
2298         }
2299
2300         if ((prop = node.property ("join-object-range"))) {
2301                 join_object_range_button.set_active (string_is_affirmative (prop->value ()));
2302         }
2303
2304         if ((prop = node.property ("edit-point"))) {
2305                 set_edit_point_preference ((EditPoint) string_2_enum (prop->value(), _edit_point), true);
2306         }
2307
2308         if ((prop = node.property ("show-waveforms-recording"))) {
2309                 bool yn = string_is_affirmative (prop->value());
2310                 _show_waveforms_recording = !yn;
2311                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleWaveformsWhileRecording"));
2312                 if (act) {
2313                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2314                         /* do it twice to force the change */
2315                         tact->set_active (!yn);
2316                         tact->set_active (yn);
2317                 }
2318         }
2319
2320         if ((prop = node.property ("show-measures"))) {
2321                 bool yn = string_is_affirmative (prop->value());
2322                 _show_measures = !yn;
2323                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleMeasureVisibility"));
2324                 if (act) {
2325                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2326                         /* do it twice to force the change */
2327                         tact->set_active (!yn);
2328                         tact->set_active (yn);
2329                 }
2330         }
2331
2332         if ((prop = node.property ("follow-playhead"))) {
2333                 bool yn = string_is_affirmative (prop->value());
2334                 set_follow_playhead (yn);
2335                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
2336                 if (act) {
2337                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2338                         if (tact->get_active() != yn) {
2339                                 tact->set_active (yn);
2340                         }
2341                 }
2342         }
2343
2344         if ((prop = node.property ("region-list-sort-type"))) {
2345                 RegionListSortType st;
2346                 _regions->reset_sort_type ((RegionListSortType) string_2_enum (prop->value(), st), true);
2347         }
2348
2349         if ((prop = node.property ("xfades-visible"))) {
2350                 bool yn = string_is_affirmative (prop->value());
2351                 _xfade_visibility = !yn;
2352                 // set_xfade_visibility (yn);
2353         }
2354
2355         if ((prop = node.property ("show-editor-mixer"))) {
2356
2357                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2358                 if (act) {
2359
2360                         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2361                         bool yn = string_is_affirmative (prop->value());
2362
2363                         /* do it twice to force the change */
2364
2365                         tact->set_active (!yn);
2366                         tact->set_active (yn);
2367                 }
2368         }
2369
2370         if ((prop = node.property ("show-editor-list"))) {
2371
2372                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-list"));
2373                 assert(act);
2374                 if (act) {
2375
2376                         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2377                         bool yn = string_is_affirmative (prop->value());
2378
2379                         /* do it twice to force the change */
2380
2381                         tact->set_active (!yn);
2382                         tact->set_active (yn);
2383                 }
2384         }
2385
2386
2387         return 0;
2388 }
2389
2390 XMLNode&
2391 Editor::get_state ()
2392 {
2393         XMLNode* node = new XMLNode ("Editor");
2394         char buf[32];
2395
2396         _id.print (buf, sizeof (buf));
2397         node->add_property ("id", buf);
2398
2399         if (is_realized()) {
2400                 Glib::RefPtr<Gdk::Window> win = get_window();
2401
2402                 int x, y, xoff, yoff, width, height;
2403                 win->get_root_origin(x, y);
2404                 win->get_position(xoff, yoff);
2405                 win->get_size(width, height);
2406
2407                 XMLNode* geometry = new XMLNode ("geometry");
2408
2409                 snprintf(buf, sizeof(buf), "%d", width);
2410                 geometry->add_property("x-size", string(buf));
2411                 snprintf(buf, sizeof(buf), "%d", height);
2412                 geometry->add_property("y-size", string(buf));
2413                 snprintf(buf, sizeof(buf), "%d", x);
2414                 geometry->add_property("x-pos", string(buf));
2415                 snprintf(buf, sizeof(buf), "%d", y);
2416                 geometry->add_property("y-pos", string(buf));
2417                 snprintf(buf, sizeof(buf), "%d", xoff);
2418                 geometry->add_property("x-off", string(buf));
2419                 snprintf(buf, sizeof(buf), "%d", yoff);
2420                 geometry->add_property("y-off", string(buf));
2421                 snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (static_cast<Paned*>(&edit_pane)->gobj()));
2422                 geometry->add_property("edit_pane_pos", string(buf));
2423
2424                 node->add_child_nocopy (*geometry);
2425         }
2426
2427         maybe_add_mixer_strip_width (*node);
2428
2429         snprintf (buf, sizeof(buf), "%d", (int) zoom_focus);
2430         node->add_property ("zoom-focus", buf);
2431         snprintf (buf, sizeof(buf), "%f", frames_per_unit);
2432         node->add_property ("zoom", buf);
2433         snprintf (buf, sizeof(buf), "%d", (int) _snap_type);
2434         node->add_property ("snap-to", buf);
2435         snprintf (buf, sizeof(buf), "%d", (int) _snap_mode);
2436         node->add_property ("snap-mode", buf);
2437
2438         node->add_property ("edit-point", enum_2_string (_edit_point));
2439
2440         snprintf (buf, sizeof (buf), "%" PRIi64, playhead_cursor->current_frame);
2441         node->add_property ("playhead", buf);
2442         snprintf (buf, sizeof (buf), "%" PRIi64, leftmost_frame);
2443         node->add_property ("left-frame", buf);
2444         snprintf (buf, sizeof (buf), "%f", vertical_adjustment.get_value ());
2445         node->add_property ("y-origin", buf);
2446
2447         node->add_property ("show-waveforms-recording", _show_waveforms_recording ? "yes" : "no");
2448         node->add_property ("show-measures", _show_measures ? "yes" : "no");
2449         node->add_property ("follow-playhead", _follow_playhead ? "yes" : "no");
2450         node->add_property ("xfades-visible", _xfade_visibility ? "yes" : "no");
2451         node->add_property ("region-list-sort-type", enum_2_string (_regions->sort_type ()));
2452         node->add_property ("mouse-mode", enum2str(mouse_mode));
2453         node->add_property ("internal-edit", _internal_editing ? "yes" : "no");
2454         node->add_property ("join-object-range", join_object_range_button.get_active () ? "yes" : "no");
2455
2456         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2457         if (act) {
2458                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2459                 node->add_property (X_("show-editor-mixer"), tact->get_active() ? "yes" : "no");
2460         }
2461
2462         act = ActionManager::get_action (X_("Editor"), X_("show-editor-list"));
2463         if (act) {
2464                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2465                 node->add_property (X_("show-editor-list"), tact->get_active() ? "yes" : "no");
2466         }
2467
2468         return *node;
2469 }
2470
2471
2472
2473 /** @param y y offset from the top of all trackviews.
2474  *  @return pair: TimeAxisView that y is over, layer index.
2475  *  TimeAxisView may be 0.  Layer index is the layer number if the TimeAxisView is valid and is
2476  *  in stacked region display mode, otherwise 0.
2477  */
2478 std::pair<TimeAxisView *, layer_t>
2479 Editor::trackview_by_y_position (double y)
2480 {
2481         for (TrackViewList::iterator iter = track_views.begin(); iter != track_views.end(); ++iter) {
2482
2483                 std::pair<TimeAxisView*, int> const r = (*iter)->covers_y_position (y);
2484                 if (r.first) {
2485                         return r;
2486                 }
2487         }
2488
2489         return std::make_pair ( (TimeAxisView *) 0, 0);
2490 }
2491
2492 /** Snap a position to the grid, if appropriate, taking into account current
2493  *  grid settings and also the state of any snap modifier keys that may be pressed.
2494  *  @param start Position to snap.
2495  *  @param event Event to get current key modifier information from, or 0.
2496  */
2497 void
2498 Editor::snap_to_with_modifier (nframes64_t& start, GdkEvent const * event, int32_t direction, bool for_mark)
2499 {
2500         if (!_session || !event) {
2501                 return;
2502         }
2503
2504         if (Keyboard::modifier_state_contains (event->button.state, Keyboard::snap_modifier())) {
2505                 if (_snap_mode == SnapOff) {
2506                         snap_to_internal (start, direction, for_mark);
2507                 }
2508         } else {
2509                 if (_snap_mode != SnapOff) {
2510                         snap_to_internal (start, direction, for_mark);
2511                 }
2512         }
2513 }
2514
2515 void
2516 Editor::snap_to (nframes64_t& start, int32_t direction, bool for_mark)
2517 {
2518         if (!_session || _snap_mode == SnapOff) {
2519                 return;
2520         }
2521
2522         snap_to_internal (start, direction, for_mark);
2523 }
2524
2525 void
2526 Editor::timecode_snap_to_internal (nframes64_t& start, int32_t direction, bool /*for_mark*/)
2527 {
2528         const nframes64_t one_timecode_second = (nframes64_t)(rint(_session->timecode_frames_per_second()) * _session->frames_per_timecode_frame());
2529         nframes64_t one_timecode_minute = (nframes64_t)(rint(_session->timecode_frames_per_second()) * _session->frames_per_timecode_frame() * 60);
2530
2531         switch (_snap_type) {
2532         case SnapToTimecodeFrame:
2533                 if (((direction == 0) && (fmod((double)start, (double)_session->frames_per_timecode_frame()) > (_session->frames_per_timecode_frame() / 2))) || (direction > 0)) {
2534                         start = (nframes64_t) (ceil ((double) start / _session->frames_per_timecode_frame()) * _session->frames_per_timecode_frame());
2535                 } else {
2536                         start = (nframes64_t) (floor ((double) start / _session->frames_per_timecode_frame()) *  _session->frames_per_timecode_frame());
2537                 }
2538                 break;
2539
2540         case SnapToTimecodeSeconds:
2541                 if (_session->timecode_offset_negative())
2542                 {
2543                         start += _session->timecode_offset ();
2544                 } else {
2545                         start -= _session->timecode_offset ();
2546                 }
2547                 if (((direction == 0) && (start % one_timecode_second > one_timecode_second / 2)) || direction > 0) {
2548                         start = (nframes64_t) ceil ((double) start / one_timecode_second) * one_timecode_second;
2549                 } else {
2550                         start = (nframes64_t) floor ((double) start / one_timecode_second) * one_timecode_second;
2551                 }
2552
2553                 if (_session->timecode_offset_negative())
2554                 {
2555                         start -= _session->timecode_offset ();
2556                 } else {
2557                         start += _session->timecode_offset ();
2558                 }
2559                 break;
2560
2561         case SnapToTimecodeMinutes:
2562                 if (_session->timecode_offset_negative())
2563                 {
2564                         start += _session->timecode_offset ();
2565                 } else {
2566                         start -= _session->timecode_offset ();
2567                 }
2568                 if (((direction == 0) && (start % one_timecode_minute > one_timecode_minute / 2)) || direction > 0) {
2569                         start = (nframes64_t) ceil ((double) start / one_timecode_minute) * one_timecode_minute;
2570                 } else {
2571                         start = (nframes64_t) floor ((double) start / one_timecode_minute) * one_timecode_minute;
2572                 }
2573                 if (_session->timecode_offset_negative())
2574                 {
2575                         start -= _session->timecode_offset ();
2576                 } else {
2577                         start += _session->timecode_offset ();
2578                 }
2579                 break;
2580         default:
2581                 fatal << "Editor::smpte_snap_to_internal() called with non-timecode snap type!" << endmsg;
2582                 /*NOTREACHED*/
2583         }
2584 }
2585
2586 void
2587 Editor::snap_to_internal (nframes64_t& start, int32_t direction, bool for_mark)
2588 {
2589         const nframes64_t one_second = _session->frame_rate();
2590         const nframes64_t one_minute = _session->frame_rate() * 60;
2591         nframes64_t presnap = start;
2592         nframes64_t before;
2593         nframes64_t after;
2594
2595         switch (_snap_type) {
2596         case SnapToTimecodeFrame:
2597         case SnapToTimecodeSeconds:
2598         case SnapToTimecodeMinutes:
2599                 return timecode_snap_to_internal (start, direction, for_mark);
2600
2601         case SnapToCDFrame:
2602                 if (((direction == 0) && (start % (one_second/75) > (one_second/75) / 2)) || (direction > 0)) {
2603                         start = (nframes64_t) ceil ((double) start / (one_second / 75)) * (one_second / 75);
2604                 } else {
2605                         start = (nframes64_t) floor ((double) start / (one_second / 75)) * (one_second / 75);
2606                 }
2607                 break;
2608
2609         case SnapToSeconds:
2610                 if (((direction == 0) && (start % one_second > one_second / 2)) || (direction > 0)) {
2611                         start = (nframes64_t) ceil ((double) start / one_second) * one_second;
2612                 } else {
2613                         start = (nframes64_t) floor ((double) start / one_second) * one_second;
2614                 }
2615                 break;
2616
2617         case SnapToMinutes:
2618                 if (((direction == 0) && (start % one_minute > one_minute / 2)) || (direction > 0)) {
2619                         start = (nframes64_t) ceil ((double) start / one_minute) * one_minute;
2620                 } else {
2621                         start = (nframes64_t) floor ((double) start / one_minute) * one_minute;
2622                 }
2623                 break;
2624
2625         case SnapToBar:
2626                 start = _session->tempo_map().round_to_bar (start, direction);
2627                 break;
2628
2629         case SnapToBeat:
2630                 start = _session->tempo_map().round_to_beat (start, direction);
2631                 break;
2632
2633         case SnapToAThirtysecondBeat:
2634                 start = _session->tempo_map().round_to_beat_subdivision (start, 32, direction);
2635                 break;
2636
2637         case SnapToASixteenthBeat:
2638                 start = _session->tempo_map().round_to_beat_subdivision (start, 16, direction);
2639                 break;
2640
2641         case SnapToAEighthBeat:
2642                 start = _session->tempo_map().round_to_beat_subdivision (start, 8, direction);
2643                 break;
2644
2645         case SnapToAQuarterBeat:
2646                 start = _session->tempo_map().round_to_beat_subdivision (start, 4, direction);
2647                 break;
2648
2649         case SnapToAThirdBeat:
2650                 start = _session->tempo_map().round_to_beat_subdivision (start, 3, direction);
2651                 break;
2652
2653         case SnapToMark:
2654                 if (for_mark) {
2655                         return;
2656                 }
2657
2658                 _session->locations()->marks_either_side (start, before, after);
2659
2660                 if (before == max_frames) {
2661                         start = after;
2662                 } else if (after == max_frames) {
2663                         start = before;
2664                 } else if (before != max_frames && after != max_frames) {
2665                         /* have before and after */
2666                         if ((start - before) < (after - start)) {
2667                                 start = before;
2668                         } else {
2669                                 start = after;
2670                         }
2671                 }
2672
2673                 break;
2674
2675         case SnapToRegionStart:
2676         case SnapToRegionEnd:
2677         case SnapToRegionSync:
2678         case SnapToRegionBoundary:
2679                 if (!region_boundary_cache.empty()) {
2680
2681                         vector<nframes64_t>::iterator prev = region_boundary_cache.end ();
2682                         vector<nframes64_t>::iterator next = region_boundary_cache.end ();
2683
2684                         if (direction > 0) {
2685                                 next = std::upper_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2686                         } else {
2687                                 next = std::lower_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2688                         }
2689
2690                         if (next != region_boundary_cache.begin ()) {
2691                                 prev = next;
2692                                 prev--;
2693                         }
2694
2695                         nframes64_t const p = (prev == region_boundary_cache.end()) ? region_boundary_cache.front () : *prev;
2696                         nframes64_t const n = (next == region_boundary_cache.end()) ? region_boundary_cache.back () : *next;
2697
2698                         if (start > (p + n) / 2) {
2699                                 start = n;
2700                         } else {
2701                                 start = p;
2702                         }
2703                 }
2704                 break;
2705         }
2706
2707         switch (_snap_mode) {
2708         case SnapNormal:
2709                 return;
2710
2711         case SnapMagnetic:
2712
2713                 if (presnap > start) {
2714                         if (presnap > (start + unit_to_frame(snap_threshold))) {
2715                                 start = presnap;
2716                         }
2717
2718                 } else if (presnap < start) {
2719                         if (presnap < (start - unit_to_frame(snap_threshold))) {
2720                                 start = presnap;
2721                         }
2722                 }
2723
2724         default:
2725                 /* handled at entry */
2726                 return;
2727
2728         }
2729 }
2730
2731
2732 void
2733 Editor::setup_toolbar ()
2734 {
2735         string pixmap_path;
2736
2737         /* Mode Buttons (tool selection) */
2738
2739         mouse_move_button.set_relief(Gtk::RELIEF_NONE);
2740         mouse_select_button.set_relief(Gtk::RELIEF_NONE);
2741         mouse_gain_button.set_relief(Gtk::RELIEF_NONE);
2742         mouse_zoom_button.set_relief(Gtk::RELIEF_NONE);
2743         mouse_timefx_button.set_relief(Gtk::RELIEF_NONE);
2744         mouse_audition_button.set_relief(Gtk::RELIEF_NONE);
2745         // internal_edit_button.set_relief(Gtk::RELIEF_NONE);
2746         join_object_range_button.set_relief(Gtk::RELIEF_NONE);
2747
2748         HBox* mode_box = manage(new HBox);
2749         mode_box->set_border_width (2);
2750         mode_box->set_spacing(4);
2751
2752         /* table containing mode buttons */
2753
2754         HBox* mouse_mode_button_box = manage (new HBox ());
2755
2756         if (Profile->get_sae()) {
2757                 mouse_mode_button_box->pack_start (mouse_move_button);
2758         } else {
2759                 mouse_mode_button_box->pack_start (mouse_move_button);
2760                 mouse_mode_button_box->pack_start (join_object_range_button);
2761                 mouse_mode_button_box->pack_start (mouse_select_button);
2762         }
2763
2764         mouse_mode_button_box->pack_start (mouse_zoom_button);
2765
2766         if (!Profile->get_sae()) {
2767                 mouse_mode_button_box->pack_start (mouse_gain_button);
2768         }
2769
2770         mouse_mode_button_box->pack_start (mouse_timefx_button);
2771         mouse_mode_button_box->pack_start (mouse_audition_button);
2772         mouse_mode_button_box->pack_start (internal_edit_button);
2773
2774         vector<string> edit_mode_strings;
2775         edit_mode_strings.push_back (edit_mode_to_string (Slide));
2776         if (!Profile->get_sae()) {
2777                 edit_mode_strings.push_back (edit_mode_to_string (Splice));
2778         }
2779         edit_mode_strings.push_back (edit_mode_to_string (Lock));
2780
2781         edit_mode_selector.set_name ("EditModeSelector");
2782         set_popdown_strings (edit_mode_selector, edit_mode_strings, true);
2783         edit_mode_selector.signal_changed().connect (sigc::mem_fun(*this, &Editor::edit_mode_selection_done));
2784
2785         mode_box->pack_start (edit_mode_selector);
2786         mode_box->pack_start (*mouse_mode_button_box);
2787
2788         mouse_mode_tearoff = manage (new TearOff (*mode_box));
2789         mouse_mode_tearoff->set_name ("MouseModeBase");
2790         mouse_mode_tearoff->tearoff_window().signal_key_press_event().connect (sigc::bind (sigc::ptr_fun (relay_key_press), &mouse_mode_tearoff->tearoff_window()), false);
2791
2792         if (Profile->get_sae()) {
2793                 mouse_mode_tearoff->set_can_be_torn_off (false);
2794         }
2795
2796         mouse_mode_tearoff->Detach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2797                                                   &mouse_mode_tearoff->tearoff_window()));
2798         mouse_mode_tearoff->Attach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2799                                                   &mouse_mode_tearoff->tearoff_window(), 1));
2800         mouse_mode_tearoff->Hidden.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2801                                                   &mouse_mode_tearoff->tearoff_window()));
2802         mouse_mode_tearoff->Visible.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2803                                                    &mouse_mode_tearoff->tearoff_window(), 1));
2804
2805         mouse_move_button.set_mode (false);
2806         mouse_select_button.set_mode (false);
2807         mouse_gain_button.set_mode (false);
2808         mouse_zoom_button.set_mode (false);
2809         mouse_timefx_button.set_mode (false);
2810         mouse_audition_button.set_mode (false);
2811         join_object_range_button.set_mode (false);
2812
2813         mouse_move_button.set_name ("MouseModeButton");
2814         mouse_select_button.set_name ("MouseModeButton");
2815         mouse_gain_button.set_name ("MouseModeButton");
2816         mouse_zoom_button.set_name ("MouseModeButton");
2817         mouse_timefx_button.set_name ("MouseModeButton");
2818         mouse_audition_button.set_name ("MouseModeButton");
2819         internal_edit_button.set_name ("MouseModeButton");
2820         join_object_range_button.set_name ("MouseModeButton");
2821
2822         mouse_move_button.unset_flags (CAN_FOCUS);
2823         mouse_select_button.unset_flags (CAN_FOCUS);
2824         mouse_gain_button.unset_flags (CAN_FOCUS);
2825         mouse_zoom_button.unset_flags (CAN_FOCUS);
2826         mouse_timefx_button.unset_flags (CAN_FOCUS);
2827         mouse_audition_button.unset_flags (CAN_FOCUS);
2828         internal_edit_button.unset_flags (CAN_FOCUS);
2829         join_object_range_button.unset_flags (CAN_FOCUS);
2830
2831         /* Zoom */
2832
2833         zoom_box.set_spacing (1);
2834         zoom_box.set_border_width (0);
2835
2836         zoom_in_button.set_name ("EditorTimeButton");
2837         zoom_in_button.set_image (*(manage (new Image (Stock::ZOOM_IN, Gtk::ICON_SIZE_MENU))));
2838         zoom_in_button.signal_clicked().connect (sigc::bind (sigc::mem_fun(*this, &Editor::temporal_zoom_step), false));
2839
2840         zoom_out_button.set_name ("EditorTimeButton");
2841         zoom_out_button.set_image (*(manage (new Image (Stock::ZOOM_OUT, Gtk::ICON_SIZE_MENU))));
2842         zoom_out_button.signal_clicked().connect (sigc::bind (sigc::mem_fun(*this, &Editor::temporal_zoom_step), true));
2843
2844         zoom_out_full_button.set_name ("EditorTimeButton");
2845         zoom_out_full_button.set_image (*(manage (new Image (Stock::ZOOM_100, Gtk::ICON_SIZE_MENU))));
2846         zoom_out_full_button.signal_clicked().connect (sigc::mem_fun(*this, &Editor::temporal_zoom_session));
2847
2848         zoom_focus_selector.set_name ("ZoomFocusSelector");
2849         set_popdown_strings (zoom_focus_selector, zoom_focus_strings, true);
2850         zoom_focus_selector.signal_changed().connect (sigc::mem_fun(*this, &Editor::zoom_focus_selection_done));
2851
2852         zoom_box.pack_start (zoom_out_button, false, false);
2853         zoom_box.pack_start (zoom_in_button, false, false);
2854         zoom_box.pack_start (zoom_out_full_button, false, false);
2855
2856         /* Track zoom buttons */
2857         tav_expand_button.set_name ("TrackHeightButton");
2858         tav_expand_button.set_size_request(-1,20);
2859         tav_expand_button.add (*(manage (new Image (::get_icon("tav_exp")))));
2860         tav_expand_button.signal_clicked().connect (sigc::bind (sigc::mem_fun(*this, &Editor::tav_zoom_step), true));
2861
2862         tav_shrink_button.set_name ("TrackHeightButton");
2863         tav_shrink_button.set_size_request(-1,20);
2864         tav_shrink_button.add (*(manage (new Image (::get_icon("tav_shrink")))));
2865         tav_shrink_button.signal_clicked().connect (sigc::bind (sigc::mem_fun(*this, &Editor::tav_zoom_step), false));
2866
2867         track_zoom_box.set_spacing (1);
2868         track_zoom_box.set_border_width (0);
2869
2870         track_zoom_box.pack_start (tav_shrink_button, false, false);
2871         track_zoom_box.pack_start (tav_expand_button, false, false);
2872
2873         HBox* zbc = manage (new HBox);
2874         zbc->pack_start (zoom_focus_selector, PACK_SHRINK);
2875         zoom_vbox.pack_start (*zbc, PACK_SHRINK);
2876         zoom_vbox.pack_start (zoom_box, PACK_SHRINK);
2877         zoom_vbox.pack_start (track_zoom_box, PACK_SHRINK);
2878
2879         snap_box.set_spacing (1);
2880         snap_box.set_border_width (2);
2881
2882         snap_type_selector.set_name ("SnapTypeSelector");
2883         set_popdown_strings (snap_type_selector, snap_type_strings, true);
2884         snap_type_selector.signal_changed().connect (sigc::mem_fun(*this, &Editor::snap_type_selection_done));
2885
2886         snap_mode_selector.set_name ("SnapModeSelector");
2887         set_popdown_strings (snap_mode_selector, snap_mode_strings, true);
2888         snap_mode_selector.signal_changed().connect (sigc::mem_fun(*this, &Editor::snap_mode_selection_done));
2889
2890         edit_point_selector.set_name ("EditPointSelector");
2891         set_popdown_strings (edit_point_selector, edit_point_strings, true);
2892         edit_point_selector.signal_changed().connect (sigc::mem_fun(*this, &Editor::edit_point_selection_done));
2893
2894         snap_box.pack_start (snap_mode_selector, false, false);
2895         snap_box.pack_start (snap_type_selector, false, false);
2896         snap_box.pack_start (edit_point_selector, false, false);
2897
2898         /* Nudge */
2899
2900         HBox *nudge_box = manage (new HBox);
2901         nudge_box->set_spacing(1);
2902         nudge_box->set_border_width (2);
2903
2904         nudge_forward_button.signal_button_release_event().connect (sigc::mem_fun(*this, &Editor::nudge_forward_release), false);
2905         nudge_backward_button.signal_button_release_event().connect (sigc::mem_fun(*this, &Editor::nudge_backward_release), false);
2906
2907         nudge_box->pack_start (nudge_backward_button, false, false);
2908         nudge_box->pack_start (nudge_forward_button, false, false);
2909         nudge_box->pack_start (nudge_clock, false, false);
2910
2911
2912         /* Pack everything in... */
2913
2914         HBox* hbox = manage (new HBox);
2915         hbox->set_spacing(10);
2916
2917         tools_tearoff = manage (new TearOff (*hbox));
2918         tools_tearoff->set_name ("MouseModeBase");
2919         tools_tearoff->tearoff_window().signal_key_press_event().connect (sigc::bind (sigc::ptr_fun (relay_key_press), &tools_tearoff->tearoff_window()), false);
2920
2921         if (Profile->get_sae()) {
2922                 tools_tearoff->set_can_be_torn_off (false);
2923         }
2924
2925         tools_tearoff->Detach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2926                                              &tools_tearoff->tearoff_window()));
2927         tools_tearoff->Attach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2928                                              &tools_tearoff->tearoff_window(), 0));
2929         tools_tearoff->Hidden.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2930                                              &tools_tearoff->tearoff_window()));
2931         tools_tearoff->Visible.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2932                                               &tools_tearoff->tearoff_window(), 0));
2933
2934         toolbar_hbox.set_spacing (10);
2935         toolbar_hbox.set_border_width (1);
2936
2937         toolbar_hbox.pack_start (*mouse_mode_tearoff, false, false);
2938         toolbar_hbox.pack_start (*tools_tearoff, false, false);
2939
2940         hbox->pack_start (snap_box, false, false);
2941         hbox->pack_start (*nudge_box, false, false);
2942         hbox->pack_start (panic_box, false, false);
2943
2944         hbox->show_all ();
2945
2946         toolbar_base.set_name ("ToolBarBase");
2947         toolbar_base.add (toolbar_hbox);
2948
2949         toolbar_frame.set_shadow_type (SHADOW_OUT);
2950         toolbar_frame.set_name ("BaseFrame");
2951         toolbar_frame.add (toolbar_base);
2952 }
2953
2954 void
2955 Editor::setup_tooltips ()
2956 {
2957         ARDOUR_UI::instance()->set_tip (mouse_move_button, _("Select/Move Objects"));
2958         ARDOUR_UI::instance()->set_tip (mouse_select_button, _("Select/Move Ranges"));
2959         ARDOUR_UI::instance()->set_tip (mouse_gain_button, _("Draw Gain Automation"));
2960         ARDOUR_UI::instance()->set_tip (mouse_zoom_button, _("Select Zoom Range"));
2961         ARDOUR_UI::instance()->set_tip (mouse_timefx_button, _("Stretch/Shrink Regions"));
2962         ARDOUR_UI::instance()->set_tip (mouse_audition_button, _("Listen to Specific Regions"));
2963         ARDOUR_UI::instance()->set_tip (join_object_range_button, _("Select/Move Objects or Ranges"));
2964         ARDOUR_UI::instance()->set_tip (internal_edit_button, _("Edit Region Contents (e.g. notes)"));
2965         ARDOUR_UI::instance()->set_tip (*_group_tabs, _("Groups: context-click for possible operations"));
2966         ARDOUR_UI::instance()->set_tip (nudge_forward_button, _("Nudge Region/Selection Forwards"));
2967         ARDOUR_UI::instance()->set_tip (nudge_backward_button, _("Nudge Region/Selection Backwards"));
2968         ARDOUR_UI::instance()->set_tip (zoom_in_button, _("Zoom In"));
2969         ARDOUR_UI::instance()->set_tip (zoom_out_button, _("Zoom Out"));
2970         ARDOUR_UI::instance()->set_tip (zoom_out_full_button, _("Zoom to Session"));
2971         ARDOUR_UI::instance()->set_tip (zoom_focus_selector, _("Zoom focus"));
2972         ARDOUR_UI::instance()->set_tip (tav_expand_button, _("Expand Tracks"));
2973         ARDOUR_UI::instance()->set_tip (tav_shrink_button, _("Shrink Tracks"));
2974         ARDOUR_UI::instance()->set_tip (snap_type_selector, _("Snap/Grid Units"));
2975         ARDOUR_UI::instance()->set_tip (snap_mode_selector, _("Snap/Grid Mode"));
2976         ARDOUR_UI::instance()->set_tip (edit_point_selector, _("Edit point"));
2977         ARDOUR_UI::instance()->set_tip (midi_sound_notes, _("Sound Notes"));
2978         ARDOUR_UI::instance()->set_tip (midi_panic_button, _("Send note off and reset controller messages on all MIDI channels"));
2979 }
2980
2981 void
2982 Editor::midi_panic ()
2983 {
2984         cerr << "MIDI panic\n";
2985
2986         if (_session) {
2987                 _session->midi_panic();
2988         }
2989 }
2990
2991 void
2992 Editor::setup_midi_toolbar ()
2993 {
2994         RefPtr<Action> act;
2995
2996         /* Midi sound notes */
2997         midi_sound_notes.add (*(manage (new Image (::get_icon("midi_sound_notes")))));
2998         midi_sound_notes.set_relief(Gtk::RELIEF_NONE);
2999         midi_sound_notes.unset_flags (CAN_FOCUS);
3000
3001         /* Panic */
3002
3003         act = ActionManager::get_action (X_("MIDI"), X_("panic"));
3004         midi_panic_button.set_name("MidiPanicButton");
3005         act->connect_proxy (midi_panic_button);
3006
3007         panic_box.pack_start (midi_sound_notes , true, true);
3008         panic_box.pack_start (midi_panic_button, true, true);
3009 }
3010
3011 int
3012 Editor::convert_drop_to_paths (
3013                 vector<ustring>&                paths,
3014                 const RefPtr<Gdk::DragContext>& /*context*/,
3015                 gint                            /*x*/,
3016                 gint                            /*y*/,
3017                 const SelectionData&            data,
3018                 guint                           /*info*/,
3019                 guint                           /*time*/)
3020 {
3021         if (_session == 0) {
3022                 return -1;
3023         }
3024
3025         vector<ustring> uris = data.get_uris();
3026
3027         if (uris.empty()) {
3028
3029                 /* This is seriously fucked up. Nautilus doesn't say that its URI lists
3030                    are actually URI lists. So do it by hand.
3031                 */
3032
3033                 if (data.get_target() != "text/plain") {
3034                         return -1;
3035                 }
3036
3037                 /* Parse the "uri-list" format that Nautilus provides,
3038                    where each pathname is delimited by \r\n.
3039
3040                    THERE MAY BE NO NULL TERMINATING CHAR!!!
3041                 */
3042
3043                 ustring txt = data.get_text();
3044                 const char* p;
3045                 const char* q;
3046
3047                 p = (const char *) malloc (txt.length() + 1);
3048                 txt.copy ((char *) p, txt.length(), 0);
3049                 ((char*)p)[txt.length()] = '\0';
3050
3051                 while (p)
3052                 {
3053                         if (*p != '#')
3054                         {
3055                                 while (g_ascii_isspace (*p))
3056                                         p++;
3057
3058                                 q = p;
3059                                 while (*q && (*q != '\n') && (*q != '\r')) {
3060                                         q++;
3061                                 }
3062
3063                                 if (q > p)
3064                                 {
3065                                         q--;
3066                                         while (q > p && g_ascii_isspace (*q))
3067                                                 q--;
3068
3069                                         if (q > p)
3070                                         {
3071                                                 uris.push_back (ustring (p, q - p + 1));
3072                                         }
3073                                 }
3074                         }
3075                         p = strchr (p, '\n');
3076                         if (p)
3077                                 p++;
3078                 }
3079
3080                 free ((void*)p);
3081
3082                 if (uris.empty()) {
3083                         return -1;
3084                 }
3085         }
3086
3087         for (vector<ustring>::iterator i = uris.begin(); i != uris.end(); ++i) {
3088
3089                 if ((*i).substr (0,7) == "file://") {
3090
3091                         ustring p = *i;
3092                         PBD::url_decode (p);
3093
3094                         // scan forward past three slashes
3095
3096                         ustring::size_type slashcnt = 0;
3097                         ustring::size_type n = 0;
3098                         ustring::iterator x = p.begin();
3099
3100                         while (slashcnt < 3 && x != p.end()) {
3101                                 if ((*x) == '/') {
3102                                         slashcnt++;
3103                                 } else if (slashcnt == 3) {
3104                                         break;
3105                                 }
3106                                 ++n;
3107                                 ++x;
3108                         }
3109
3110                         if (slashcnt != 3 || x == p.end()) {
3111                                 error << _("malformed URL passed to drag-n-drop code") << endmsg;
3112                                 continue;
3113                         }
3114
3115                         paths.push_back (p.substr (n - 1));
3116                 }
3117         }
3118
3119         return 0;
3120 }
3121
3122 void
3123 Editor::new_tempo_section ()
3124
3125 {
3126 }
3127
3128 void
3129 Editor::map_transport_state ()
3130 {
3131         ENSURE_GUI_THREAD (*this, &Editor::map_transport_state)
3132
3133         if (_session->transport_stopped()) {
3134                 have_pending_keyboard_selection = false;
3135         }
3136
3137         update_loop_range_view (true);
3138 }
3139
3140 /* UNDO/REDO */
3141
3142 Editor::State::State (PublicEditor const * e)
3143 {
3144         selection = new Selection (e);
3145 }
3146
3147 Editor::State::~State ()
3148 {
3149         delete selection;
3150 }
3151
3152 void
3153 Editor::begin_reversible_command (string name)
3154 {
3155         if (_session) {
3156                 _session->begin_reversible_command (name);
3157         }
3158 }
3159
3160 void
3161 Editor::commit_reversible_command ()
3162 {
3163         if (_session) {
3164                 _session->commit_reversible_command ();
3165         }
3166 }
3167
3168 void
3169 Editor::set_route_group_solo (Route& route, bool yn)
3170 {
3171         RouteGroup *route_group;
3172
3173         if ((route_group = route.route_group()) != 0) {
3174                 route_group->apply (&Route::set_solo, yn, this);
3175         } else {
3176                 route.set_solo (yn, this);
3177         }
3178 }
3179
3180 void
3181 Editor::set_route_group_mute (Route& route, bool yn)
3182 {
3183         RouteGroup *route_group = 0;
3184
3185         if ((route_group = route.route_group()) != 0) {
3186                 route_group->apply (&Route::set_mute, yn, this);
3187         } else {
3188                 route.set_mute (yn, this);
3189         }
3190 }
3191
3192 void
3193 Editor::history_changed ()
3194 {
3195         string label;
3196
3197         if (undo_action && _session) {
3198                 if (_session->undo_depth() == 0) {
3199                         label = _("Undo");
3200                 } else {
3201                         label = string_compose(_("Undo (%1)"), _session->next_undo());
3202                 }
3203                 undo_action->property_label() = label;
3204         }
3205
3206         if (redo_action && _session) {
3207                 if (_session->redo_depth() == 0) {
3208                         label = _("Redo");
3209                 } else {
3210                         label = string_compose(_("Redo (%1)"), _session->next_redo());
3211                 }
3212                 redo_action->property_label() = label;
3213         }
3214 }
3215
3216 void
3217 Editor::duplicate_dialog (bool with_dialog)
3218 {
3219         float times = 1.0f;
3220
3221         if (mouse_mode == MouseRange) {
3222                 if (selection->time.length() == 0) {
3223                         return;
3224                 }
3225         }
3226
3227         RegionSelection rs;
3228         get_regions_for_action (rs);
3229
3230         if (mouse_mode != MouseRange) {
3231
3232                 if (rs.empty()) {
3233                         return;
3234                 }
3235         }
3236
3237         if (with_dialog) {
3238
3239                 ArdourDialog win ("Duplicate");
3240                 Label  label (_("Number of Duplications:"));
3241                 Adjustment adjustment (1.0, 1.0, 1000000.0, 1.0, 5.0);
3242                 SpinButton spinner (adjustment, 0.0, 1);
3243                 HBox hbox;
3244
3245                 win.get_vbox()->set_spacing (12);
3246                 win.get_vbox()->pack_start (hbox);
3247                 hbox.set_border_width (6);
3248                 hbox.pack_start (label, PACK_EXPAND_PADDING, 12);
3249
3250                 /* dialogs have ::add_action_widget() but that puts the spinner in the wrong
3251                    place, visually. so do this by hand.
3252                 */
3253
3254                 hbox.pack_start (spinner, PACK_EXPAND_PADDING, 12);
3255                 spinner.signal_activate().connect (sigc::bind (sigc::mem_fun (win, &ArdourDialog::response), RESPONSE_ACCEPT));
3256                 spinner.grab_focus();
3257
3258                 hbox.show ();
3259                 label.show ();
3260                 spinner.show ();
3261
3262                 win.add_button (Stock::CANCEL, RESPONSE_CANCEL);
3263                 win.add_button (_("Duplicate"), RESPONSE_ACCEPT);
3264                 win.set_default_response (RESPONSE_ACCEPT);
3265
3266                 win.set_position (WIN_POS_MOUSE);
3267
3268                 spinner.grab_focus ();
3269
3270                 switch (win.run ()) {
3271                 case RESPONSE_ACCEPT:
3272                         break;
3273                 default:
3274                         return;
3275                 }
3276
3277                 times = adjustment.get_value();
3278         }
3279
3280         if (mouse_mode == MouseRange) {
3281                 duplicate_selection (times);
3282         } else {
3283                 duplicate_some_regions (rs, times);
3284         }
3285 }
3286
3287 void
3288 Editor::show_verbose_canvas_cursor ()
3289 {
3290         verbose_canvas_cursor->raise_to_top();
3291         verbose_canvas_cursor->show();
3292         verbose_cursor_visible = true;
3293 }
3294
3295 void
3296 Editor::hide_verbose_canvas_cursor ()
3297 {
3298         verbose_canvas_cursor->hide();
3299         verbose_cursor_visible = false;
3300 }
3301
3302 double
3303 Editor::clamp_verbose_cursor_x (double x)
3304 {
3305         if (x < 0) {
3306                 x = 0;
3307         } else {
3308                 x = min (_canvas_width - 200.0, x);
3309         }
3310         return x;
3311 }
3312
3313 double
3314 Editor::clamp_verbose_cursor_y (double y)
3315 {
3316         if (y < canvas_timebars_vsize) {
3317                 y = canvas_timebars_vsize;
3318         } else {
3319                 y = min (_canvas_height - 50, y);
3320         }
3321         return y;
3322 }
3323
3324 void
3325 Editor::show_verbose_canvas_cursor_with (const string & txt)
3326 {
3327         verbose_canvas_cursor->property_text() = txt.c_str();
3328
3329         int x, y;
3330         double wx, wy;
3331
3332         track_canvas->get_pointer (x, y);
3333         track_canvas->window_to_world (x, y, wx, wy);
3334
3335         /* don't get too close to the edge */
3336         verbose_canvas_cursor->property_x() = clamp_verbose_cursor_x (wx);
3337         verbose_canvas_cursor->property_y() = clamp_verbose_cursor_y (wy);
3338
3339         show_verbose_canvas_cursor ();
3340 }
3341
3342 void
3343 Editor::set_verbose_canvas_cursor (const string & txt, double x, double y)
3344 {
3345         verbose_canvas_cursor->property_text() = txt.c_str();
3346         /* don't get too close to the edge */
3347         verbose_canvas_cursor->property_x() = clamp_verbose_cursor_x (x);
3348         verbose_canvas_cursor->property_y() = clamp_verbose_cursor_y (y);
3349 }
3350
3351 void
3352 Editor::set_verbose_canvas_cursor_text (const string & txt)
3353 {
3354         verbose_canvas_cursor->property_text() = txt.c_str();
3355 }
3356
3357 void
3358 Editor::set_edit_mode (EditMode m)
3359 {
3360         Config->set_edit_mode (m);
3361 }
3362
3363 void
3364 Editor::cycle_edit_mode ()
3365 {
3366         switch (Config->get_edit_mode()) {
3367         case Slide:
3368                 if (Profile->get_sae()) {
3369                         Config->set_edit_mode (Lock);
3370                 } else {
3371                         Config->set_edit_mode (Splice);
3372                 }
3373                 break;
3374         case Splice:
3375                 Config->set_edit_mode (Lock);
3376                 break;
3377         case Lock:
3378                 Config->set_edit_mode (Slide);
3379                 break;
3380         }
3381 }
3382
3383 void
3384 Editor::edit_mode_selection_done ()
3385 {
3386         if (_session == 0) {
3387                 return;
3388         }
3389
3390         string choice = edit_mode_selector.get_active_text();
3391         EditMode mode = Slide;
3392
3393         if (choice == _("Splice Edit")) {
3394                 mode = Splice;
3395         } else if (choice == _("Slide Edit")) {
3396                 mode = Slide;
3397         } else if (choice == _("Lock Edit")) {
3398                 mode = Lock;
3399         }
3400
3401         Config->set_edit_mode (mode);
3402 }
3403
3404 void
3405 Editor::snap_type_selection_done ()
3406 {
3407         string choice = snap_type_selector.get_active_text();
3408         SnapType snaptype = SnapToBeat;
3409
3410         if (choice == _("Beats/3")) {
3411                 snaptype = SnapToAThirdBeat;
3412         } else if (choice == _("Beats/4")) {
3413                 snaptype = SnapToAQuarterBeat;
3414         } else if (choice == _("Beats/8")) {
3415                 snaptype = SnapToAEighthBeat;
3416         } else if (choice == _("Beats/16")) {
3417                 snaptype = SnapToASixteenthBeat;
3418         } else if (choice == _("Beats/32")) {
3419                 snaptype = SnapToAThirtysecondBeat;
3420         } else if (choice == _("Beats")) {
3421                 snaptype = SnapToBeat;
3422         } else if (choice == _("Bars")) {
3423                 snaptype = SnapToBar;
3424         } else if (choice == _("Marks")) {
3425                 snaptype = SnapToMark;
3426         } else if (choice == _("Region starts")) {
3427                 snaptype = SnapToRegionStart;
3428         } else if (choice == _("Region ends")) {
3429                 snaptype = SnapToRegionEnd;
3430         } else if (choice == _("Region bounds")) {
3431                 snaptype = SnapToRegionBoundary;
3432         } else if (choice == _("Region syncs")) {
3433                 snaptype = SnapToRegionSync;
3434         } else if (choice == _("CD Frames")) {
3435                 snaptype = SnapToCDFrame;
3436         } else if (choice == _("Timecode Frames")) {
3437                 snaptype = SnapToTimecodeFrame;
3438         } else if (choice == _("Timecode Seconds")) {
3439                 snaptype = SnapToTimecodeSeconds;
3440         } else if (choice == _("Timecode Minutes")) {
3441                 snaptype = SnapToTimecodeMinutes;
3442         } else if (choice == _("Seconds")) {
3443                 snaptype = SnapToSeconds;
3444         } else if (choice == _("Minutes")) {
3445                 snaptype = SnapToMinutes;
3446         }
3447
3448         RefPtr<RadioAction> ract = snap_type_action (snaptype);
3449         if (ract) {
3450                 ract->set_active ();
3451         }
3452 }
3453
3454 void
3455 Editor::snap_mode_selection_done ()
3456 {
3457         string choice = snap_mode_selector.get_active_text();
3458         SnapMode mode = SnapNormal;
3459
3460         if (choice == _("No Grid")) {
3461                 mode = SnapOff;
3462         } else if (choice == _("Grid")) {
3463                 mode = SnapNormal;
3464         } else if (choice == _("Magnetic")) {
3465                 mode = SnapMagnetic;
3466         }
3467
3468         RefPtr<RadioAction> ract = snap_mode_action (mode);
3469
3470         if (ract) {
3471                 ract->set_active (true);
3472         }
3473 }
3474
3475 void
3476 Editor::cycle_edit_point (bool with_marker)
3477 {
3478         switch (_edit_point) {
3479         case EditAtMouse:
3480                 set_edit_point_preference (EditAtPlayhead);
3481                 break;
3482         case EditAtPlayhead:
3483                 if (with_marker) {
3484                         set_edit_point_preference (EditAtSelectedMarker);
3485                 } else {
3486                         set_edit_point_preference (EditAtMouse);
3487                 }
3488                 break;
3489         case EditAtSelectedMarker:
3490                 set_edit_point_preference (EditAtMouse);
3491                 break;
3492         }
3493 }
3494
3495 void
3496 Editor::edit_point_selection_done ()
3497 {
3498         string choice = edit_point_selector.get_active_text();
3499         EditPoint ep = EditAtSelectedMarker;
3500
3501         if (choice == _("Marker")) {
3502                 set_edit_point_preference (EditAtSelectedMarker);
3503         } else if (choice == _("Playhead")) {
3504                 set_edit_point_preference (EditAtPlayhead);
3505         } else {
3506                 set_edit_point_preference (EditAtMouse);
3507         }
3508
3509         RefPtr<RadioAction> ract = edit_point_action (ep);
3510
3511         if (ract) {
3512                 ract->set_active (true);
3513         }
3514 }
3515
3516 void
3517 Editor::zoom_focus_selection_done ()
3518 {
3519         string choice = zoom_focus_selector.get_active_text();
3520         ZoomFocus focus_type = ZoomFocusLeft;
3521
3522         if (choice == _("Left")) {
3523                 focus_type = ZoomFocusLeft;
3524         } else if (choice == _("Right")) {
3525                 focus_type = ZoomFocusRight;
3526         } else if (choice == _("Center")) {
3527                 focus_type = ZoomFocusCenter;
3528         } else if (choice == _("Playhead")) {
3529                 focus_type = ZoomFocusPlayhead;
3530         } else if (choice == _("Mouse")) {
3531                 focus_type = ZoomFocusMouse;
3532         } else if (choice == _("Edit point")) {
3533                 focus_type = ZoomFocusEdit;
3534         }
3535
3536         RefPtr<RadioAction> ract = zoom_focus_action (focus_type);
3537
3538         if (ract) {
3539                 ract->set_active ();
3540         }
3541 }
3542
3543 gint
3544 Editor::edit_controls_button_release (GdkEventButton* ev)
3545 {
3546         if (Keyboard::is_context_menu_event (ev)) {
3547                 ARDOUR_UI::instance()->add_route (this);
3548         }
3549         return TRUE;
3550 }
3551
3552 gint
3553 Editor::mouse_select_button_release (GdkEventButton* ev)
3554 {
3555         /* this handles just right-clicks */
3556
3557         if (ev->button != 3) {
3558                 return false;
3559         }
3560
3561         return true;
3562 }
3563
3564 void
3565 Editor::set_zoom_focus (ZoomFocus f)
3566 {
3567         string str = zoom_focus_strings[(int)f];
3568
3569         if (str != zoom_focus_selector.get_active_text()) {
3570                 zoom_focus_selector.set_active_text (str);
3571         }
3572
3573         if (zoom_focus != f) {
3574                 zoom_focus = f;
3575
3576                 ZoomFocusChanged (); /* EMIT_SIGNAL */
3577
3578                 instant_save ();
3579         }
3580 }
3581
3582 void
3583 Editor::ensure_float (Window& win)
3584 {
3585         win.set_transient_for (*this);
3586 }
3587
3588 void
3589 Editor::pane_allocation_handler (Allocation &alloc, Paned* which)
3590 {
3591         /* recover or initialize pane positions. do this here rather than earlier because
3592            we don't want the positions to change the child allocations, which they seem to do.
3593          */
3594
3595         int pos;
3596         XMLProperty* prop;
3597         char buf[32];
3598         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
3599         int width, height;
3600         static int32_t done;
3601         XMLNode* geometry;
3602
3603         width = default_width;
3604         height = default_height;
3605
3606         if ((geometry = find_named_node (*node, "geometry")) != 0) {
3607
3608                 if ((prop = geometry->property ("x_size")) == 0) {
3609                         prop = geometry->property ("x-size");
3610                 }
3611                 if (prop) {
3612                         width = atoi (prop->value());
3613                 }
3614                 if ((prop = geometry->property ("y_size")) == 0) {
3615                         prop = geometry->property ("y-size");
3616                 }
3617                 if (prop) {
3618                         height = atoi (prop->value());
3619                 }
3620         }
3621
3622         if (which == static_cast<Paned*> (&edit_pane)) {
3623
3624                 if (done) {
3625                         return;
3626                 }
3627
3628                 if (!geometry || (prop = geometry->property ("edit-pane-pos")) == 0) {
3629                         /* initial allocation is 90% to canvas, 10% to notebook */
3630                         pos = (int) floor (alloc.get_width() * 0.90f);
3631                         snprintf (buf, sizeof(buf), "%d", pos);
3632                 } else {
3633                         pos = atoi (prop->value());
3634                 }
3635
3636                 if ((done = GTK_WIDGET(edit_pane.gobj())->allocation.width > pos)) {
3637                         edit_pane.set_position (pos);
3638                         pre_maximal_pane_position = pos;
3639                 }
3640         }
3641 }
3642
3643 void
3644 Editor::detach_tearoff (Box* /*b*/, Window* /*w*/)
3645 {
3646         cerr << "remove tearoff\n";
3647
3648         if (tools_tearoff->torn_off() &&
3649             mouse_mode_tearoff->torn_off()) {
3650                 top_hbox.remove (toolbar_frame);
3651         }
3652 }
3653
3654 void
3655 Editor::reattach_tearoff (Box* /*b*/, Window* /*w*/, int32_t /*n*/)
3656 {
3657         cerr << "reattach tearoff\n";
3658         if (toolbar_frame.get_parent() == 0) {
3659                 top_hbox.pack_end (toolbar_frame);
3660         }
3661 }
3662
3663 void
3664 Editor::set_show_measures (bool yn)
3665 {
3666         if (_show_measures != yn) {
3667                 hide_measures ();
3668
3669                 if ((_show_measures = yn) == true) {
3670                         if (tempo_lines)
3671                                 tempo_lines->show();
3672                         draw_measures ();
3673                 }
3674                 instant_save ();
3675         }
3676 }
3677
3678 void
3679 Editor::toggle_follow_playhead ()
3680 {
3681         RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
3682         if (act) {
3683                 RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
3684                 set_follow_playhead (tact->get_active());
3685         }
3686 }
3687
3688 void
3689 Editor::set_follow_playhead (bool yn)
3690 {
3691         if (_follow_playhead != yn) {
3692                 if ((_follow_playhead = yn) == true) {
3693                         /* catch up */
3694                         reset_x_origin_to_follow_playhead ();
3695                 }
3696                 instant_save ();
3697         }
3698 }
3699
3700 void
3701 Editor::toggle_xfade_active (boost::weak_ptr<Crossfade> wxfade)
3702 {
3703         boost::shared_ptr<Crossfade> xfade (wxfade.lock());
3704         if (xfade) {
3705                 xfade->set_active (!xfade->active());
3706         }
3707 }
3708
3709 void
3710 Editor::toggle_xfade_length (boost::weak_ptr<Crossfade> wxfade)
3711 {
3712         boost::shared_ptr<Crossfade> xfade (wxfade.lock());
3713         if (xfade) {
3714                 xfade->set_follow_overlap (!xfade->following_overlap());
3715         }
3716 }
3717
3718 void
3719 Editor::edit_xfade (boost::weak_ptr<Crossfade> wxfade)
3720 {
3721         boost::shared_ptr<Crossfade> xfade (wxfade.lock());
3722
3723         if (!xfade) {
3724                 return;
3725         }
3726
3727         CrossfadeEditor cew (_session, xfade, xfade->fade_in().get_min_y(), 1.0);
3728
3729         ensure_float (cew);
3730
3731         switch (cew.run ()) {
3732         case RESPONSE_ACCEPT:
3733                 break;
3734         default:
3735                 return;
3736         }
3737
3738         cew.apply ();
3739         PropertyChange all_crossfade_properties;
3740         all_crossfade_properties.add (ARDOUR::Properties::active);
3741         all_crossfade_properties.add (ARDOUR::Properties::follow_overlap);
3742         xfade->PropertyChanged (all_crossfade_properties);
3743 }
3744
3745 PlaylistSelector&
3746 Editor::playlist_selector () const
3747 {
3748         return *_playlist_selector;
3749 }
3750
3751 Evoral::MusicalTime
3752 Editor::get_grid_type_as_beats (bool& success, nframes64_t position)
3753 {
3754         success = true;
3755
3756         switch (_snap_type) {
3757         case SnapToBeat:
3758                 return 1.0;
3759                 break;
3760
3761         case SnapToAThirtysecondBeat:
3762                 return 1.0/32.0;
3763                 break;
3764
3765         case SnapToASixteenthBeat:
3766                 return 1.0/16.0;
3767                 break;
3768
3769         case SnapToAEighthBeat:
3770                 return 1.0/8.0;
3771                 break;
3772
3773         case SnapToAQuarterBeat:
3774                 return 1.0/4.0;
3775                 break;
3776
3777         case SnapToAThirdBeat:
3778                 return 1.0/3.0;
3779                 break;
3780
3781         case SnapToBar:
3782                 if (_session) {
3783                         return _session->tempo_map().meter_at (position).beats_per_bar();
3784                 }
3785                 break;
3786
3787         case SnapToCDFrame:
3788         case SnapToTimecodeFrame:
3789         case SnapToTimecodeSeconds:
3790         case SnapToTimecodeMinutes:
3791         case SnapToSeconds:
3792         case SnapToMinutes:
3793         case SnapToRegionStart:
3794         case SnapToRegionEnd:
3795         case SnapToRegionSync:
3796         case SnapToRegionBoundary:
3797         default:
3798                 success = false;
3799                 break;
3800         }
3801
3802         return 0.0;
3803 }
3804
3805 nframes64_t
3806 Editor::get_nudge_distance (nframes64_t pos, nframes64_t& next)
3807 {
3808         nframes64_t ret;
3809
3810         ret = nudge_clock.current_duration (pos);
3811         next = ret + 1; /* XXXX fix me */
3812
3813         return ret;
3814 }
3815
3816 void
3817 Editor::end_location_changed (Location* location)
3818 {
3819         ENSURE_GUI_THREAD (*this, &Editor::end_location_changed, location)
3820         //reset_scrolling_region ();
3821         nframes64_t session_span = location->start() + (nframes64_t) floorf (current_page_frames() * 0.10f);
3822         horizontal_adjustment.set_upper (session_span / frames_per_unit);
3823 }
3824
3825 int
3826 Editor::playlist_deletion_dialog (boost::shared_ptr<Playlist> pl)
3827 {
3828         ArdourDialog dialog ("playlist deletion dialog");
3829         Label  label (string_compose (_("Playlist %1 is currently unused.\n"
3830                                         "If left alone, no audio files used by it will be cleaned.\n"
3831                                         "If deleted, audio files used by it alone by will cleaned."),
3832                                       pl->name()));
3833
3834         dialog.set_position (WIN_POS_CENTER);
3835         dialog.get_vbox()->pack_start (label);
3836
3837         label.show ();
3838
3839         dialog.add_button (_("Delete playlist"), RESPONSE_ACCEPT);
3840         dialog.add_button (_("Keep playlist"), RESPONSE_REJECT);
3841         dialog.add_button (_("Cancel"), RESPONSE_CANCEL);
3842
3843         switch (dialog.run ()) {
3844         case RESPONSE_ACCEPT:
3845                 /* delete the playlist */
3846                 return 0;
3847                 break;
3848
3849         case RESPONSE_REJECT:
3850                 /* keep the playlist */
3851                 return 1;
3852                 break;
3853
3854         default:
3855                 break;
3856         }
3857
3858         return -1;
3859 }
3860
3861 bool
3862 Editor::audio_region_selection_covers (nframes64_t where)
3863 {
3864         for (RegionSelection::iterator a = selection->regions.begin(); a != selection->regions.end(); ++a) {
3865                 if ((*a)->region()->covers (where)) {
3866                         return true;
3867                 }
3868         }
3869
3870         return false;
3871 }
3872
3873 void
3874 Editor::prepare_for_cleanup ()
3875 {
3876         cut_buffer->clear_regions ();
3877         cut_buffer->clear_playlists ();
3878
3879         selection->clear_regions ();
3880         selection->clear_playlists ();
3881
3882         _regions->suspend_redisplay ();
3883 }
3884
3885 void
3886 Editor::finish_cleanup ()
3887 {
3888         _regions->resume_redisplay ();
3889 }
3890
3891 Location*
3892 Editor::transport_loop_location()
3893 {
3894         if (_session) {
3895                 return _session->locations()->auto_loop_location();
3896         } else {
3897                 return 0;
3898         }
3899 }
3900
3901 Location*
3902 Editor::transport_punch_location()
3903 {
3904         if (_session) {
3905                 return _session->locations()->auto_punch_location();
3906         } else {
3907                 return 0;
3908         }
3909 }
3910
3911 bool
3912 Editor::control_layout_scroll (GdkEventScroll* ev)
3913 {
3914         if (Keyboard::some_magic_widget_has_focus()) {
3915                 return false;
3916         }
3917
3918         switch (ev->direction) {
3919         case GDK_SCROLL_UP:
3920                 scroll_tracks_up_line ();
3921                 return true;
3922                 break;
3923
3924         case GDK_SCROLL_DOWN:
3925                 scroll_tracks_down_line ();
3926                 return true;
3927
3928         default:
3929                 /* no left/right handling yet */
3930                 break;
3931         }
3932
3933         return false;
3934 }
3935
3936 void
3937 Editor::session_state_saved (string snap_name)
3938 {
3939         ENSURE_GUI_THREAD (*this, &Editor::session_state_saved, snap_name);
3940
3941         update_title ();
3942         _snapshots->redisplay ();
3943 }
3944
3945 void
3946 Editor::maximise_editing_space ()
3947 {
3948         mouse_mode_tearoff->set_visible (false);
3949         tools_tearoff->set_visible (false);
3950
3951         pre_maximal_pane_position = edit_pane.get_position();
3952         pre_maximal_editor_width = this->get_width();
3953
3954         if(post_maximal_pane_position == 0) {
3955                 post_maximal_pane_position = edit_pane.get_width();
3956         }
3957
3958         fullscreen();
3959
3960         if(post_maximal_editor_width) {
3961                 edit_pane.set_position (post_maximal_pane_position -
3962                         abs(post_maximal_editor_width - pre_maximal_editor_width));
3963         } else {
3964                 edit_pane.set_position (post_maximal_pane_position);
3965         }
3966 }
3967
3968 void
3969 Editor::restore_editing_space ()
3970 {
3971         // user changed width of pane during fullscreen
3972
3973         if(post_maximal_pane_position != edit_pane.get_position()) {
3974                 post_maximal_pane_position = edit_pane.get_position();
3975         }
3976
3977         unfullscreen();
3978
3979         mouse_mode_tearoff->set_visible (true);
3980         tools_tearoff->set_visible (true);
3981         post_maximal_editor_width = this->get_width();
3982
3983         edit_pane.set_position (pre_maximal_pane_position + abs(this->get_width() - pre_maximal_editor_width));
3984 }
3985
3986 /**
3987  *  Make new playlists for a given track and also any others that belong
3988  *  to the same active route group with the `edit' property.
3989  *  @param v Track.
3990  */
3991
3992 void
3993 Editor::new_playlists (TimeAxisView* v)
3994 {
3995         begin_reversible_command (_("new playlists"));
3996         vector<boost::shared_ptr<ARDOUR::Playlist> > playlists;
3997         _session->playlists->get (playlists);
3998         mapover_tracks (sigc::bind (sigc::mem_fun (*this, &Editor::mapped_use_new_playlist), playlists), v, ARDOUR::Properties::edit.property_id);
3999         commit_reversible_command ();
4000 }
4001
4002 /**
4003  *  Use a copy of the current playlist for a given track and also any others that belong
4004  *  to the same active route group with the `edit' property.
4005  *  @param v Track.
4006  */
4007
4008 void
4009 Editor::copy_playlists (TimeAxisView* v)
4010 {
4011         begin_reversible_command (_("copy playlists"));
4012         vector<boost::shared_ptr<ARDOUR::Playlist> > playlists;
4013         _session->playlists->get (playlists);
4014         mapover_tracks (sigc::bind (sigc::mem_fun (*this, &Editor::mapped_use_copy_playlist), playlists), v, ARDOUR::Properties::edit.property_id);
4015         commit_reversible_command ();
4016 }
4017
4018 /** Clear the current playlist for a given track and also any others that belong
4019  *  to the same active route group with the `edit' property.
4020  *  @param v Track.
4021  */
4022
4023 void
4024 Editor::clear_playlists (TimeAxisView* v)
4025 {
4026         begin_reversible_command (_("clear playlists"));
4027         vector<boost::shared_ptr<ARDOUR::Playlist> > playlists;
4028         _session->playlists->get (playlists);
4029         mapover_tracks (sigc::mem_fun (*this, &Editor::mapped_clear_playlist), v, ARDOUR::Properties::edit.property_id);
4030         commit_reversible_command ();
4031 }
4032
4033 void
4034 Editor::mapped_use_new_playlist (RouteTimeAxisView& atv, uint32_t sz, vector<boost::shared_ptr<ARDOUR::Playlist> > const & playlists)
4035 {
4036         atv.use_new_playlist (sz > 1 ? false : true, playlists);
4037 }
4038
4039 void
4040 Editor::mapped_use_copy_playlist (RouteTimeAxisView& atv, uint32_t sz, vector<boost::shared_ptr<ARDOUR::Playlist> > const & playlists)
4041 {
4042         atv.use_copy_playlist (sz > 1 ? false : true, playlists);
4043 }
4044
4045 void
4046 Editor::mapped_clear_playlist (RouteTimeAxisView& atv, uint32_t /*sz*/)
4047 {
4048         atv.clear_playlist ();
4049 }
4050
4051 bool
4052 Editor::on_key_press_event (GdkEventKey* ev)
4053 {
4054         return key_press_focus_accelerator_handler (*this, ev);
4055 }
4056
4057 bool
4058 Editor::on_key_release_event (GdkEventKey* ev)
4059 {
4060         return Gtk::Window::on_key_release_event (ev);
4061         // return key_press_focus_accelerator_handler (*this, ev);
4062 }
4063
4064 /** Queue up a change to the viewport x origin.
4065  *  @param frame New x origin.
4066  */
4067 void
4068 Editor::reset_x_origin (nframes64_t frame)
4069 {
4070         queue_visual_change (frame);
4071 }
4072
4073 void
4074 Editor::reset_y_origin (double y)
4075 {
4076         queue_visual_change_y (y);
4077 }
4078
4079 void
4080 Editor::reset_zoom (double fpu)
4081 {
4082         queue_visual_change (fpu);
4083 }
4084
4085 void
4086 Editor::reposition_and_zoom (nframes64_t frame, double fpu)
4087 {
4088         //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
4089         reset_x_origin (frame);
4090         reset_zoom (fpu);
4091
4092         if (!no_save_visual) {
4093                 undo_visual_stack.push_back (current_visual_state(false));
4094         }
4095 }
4096
4097 Editor::VisualState*
4098 Editor::current_visual_state (bool with_tracks)
4099 {
4100         VisualState* vs = new VisualState;
4101         vs->y_position = vertical_adjustment.get_value();
4102         vs->frames_per_unit = frames_per_unit;
4103         vs->leftmost_frame = leftmost_frame;
4104         vs->zoom_focus = zoom_focus;
4105
4106         if (with_tracks) {
4107                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
4108                         vs->track_states.push_back (TAVState ((*i), &(*i)->get_state()));
4109                 }
4110         }
4111
4112         return vs;
4113 }
4114
4115 void
4116 Editor::undo_visual_state ()
4117 {
4118         if (undo_visual_stack.empty()) {
4119                 return;
4120         }
4121
4122         VisualState* vs = undo_visual_stack.back();
4123         undo_visual_stack.pop_back();
4124         use_visual_state (*vs);
4125         redo_visual_stack.push_back (vs);
4126 }
4127
4128 void
4129 Editor::redo_visual_state ()
4130 {
4131         if (redo_visual_stack.empty()) {
4132                 return;
4133         }
4134
4135         VisualState* vs = redo_visual_stack.back();
4136         redo_visual_stack.pop_back();
4137         use_visual_state (*vs);
4138         undo_visual_stack.push_back (vs);
4139 }
4140
4141 void
4142 Editor::swap_visual_state ()
4143 {
4144         if (undo_visual_stack.empty()) {
4145                 redo_visual_state ();
4146         } else {
4147                 undo_visual_state ();
4148         }
4149 }
4150
4151 void
4152 Editor::use_visual_state (VisualState& vs)
4153 {
4154         no_save_visual = true;
4155
4156         _routes->suspend_redisplay ();
4157
4158         vertical_adjustment.set_value (vs.y_position);
4159
4160         set_zoom_focus (vs.zoom_focus);
4161         reposition_and_zoom (vs.leftmost_frame, vs.frames_per_unit);
4162
4163         for (list<TAVState>::iterator i = vs.track_states.begin(); i != vs.track_states.end(); ++i) {
4164                 TrackViewList::iterator t;
4165
4166                 /* check if the track still exists - it could have been deleted */
4167
4168                 if ((t = find (track_views.begin(), track_views.end(), i->first)) != track_views.end()) {
4169                         (*t)->set_state (*(i->second), Stateful::loading_state_version);
4170                 }
4171         }
4172
4173
4174         if (!vs.track_states.empty()) {
4175                 _routes->update_visibility ();
4176         }
4177
4178         _routes->resume_redisplay ();
4179
4180         no_save_visual = false;
4181 }
4182
4183 void
4184 Editor::set_frames_per_unit (double fpu)
4185 {
4186         /* this is the core function that controls the zoom level of the canvas. it is called
4187            whenever one or more calls are made to reset_zoom(). it executes in an idle handler.
4188         */
4189
4190         if (fpu == frames_per_unit) {
4191                 return;
4192         }
4193
4194         if (fpu < 2.0) {
4195                 fpu = 2.0;
4196         }
4197
4198
4199         /* don't allow zooms that fit more than the maximum number
4200            of frames into an 800 pixel wide space.
4201         */
4202
4203         if (max_frames / fpu < 800.0) {
4204                 return;
4205         }
4206
4207         if (tempo_lines)
4208                 tempo_lines->tempo_map_changed();
4209
4210         frames_per_unit = fpu;
4211         post_zoom ();
4212 }
4213
4214 void
4215 Editor::post_zoom ()
4216 {
4217         nframes64_t cef = 0;
4218
4219         // convert fpu to frame count
4220
4221         nframes64_t frames = (nframes64_t) floor (frames_per_unit * _canvas_width);
4222
4223         if (frames_per_unit != zoom_range_clock.current_duration()) {
4224                 zoom_range_clock.set (frames);
4225         }
4226
4227         if (mouse_mode == MouseRange && selection->time.start () != selection->time.end_frame ()) {
4228                 for (TrackViewList::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
4229                         (*i)->reshow_selection (selection->time);
4230                 }
4231         }
4232
4233         leftmost_frame = (nframes64_t) floor (horizontal_adjustment.get_value() * frames_per_unit);
4234
4235         ZoomChanged (); /* EMIT_SIGNAL */
4236
4237         if (_session) {
4238                 cef = _session->current_end_frame() + (current_page_frames() / 10);// Add a little extra so we can see the end marker
4239         }
4240         horizontal_adjustment.set_upper (cef / frames_per_unit);
4241
4242         //reset_scrolling_region ();
4243
4244         if (playhead_cursor) {
4245                 playhead_cursor->set_position (playhead_cursor->current_frame);
4246         }
4247
4248         refresh_location_display();
4249         _summary->set_overlays_dirty ();
4250
4251         instant_save ();
4252 }
4253
4254 void
4255 Editor::queue_visual_change (nframes64_t where)
4256 {
4257         pending_visual_change.add (VisualChange::TimeOrigin);
4258
4259         /* if we're moving beyond the end, make sure the upper limit of the horizontal adjustment
4260            can reach.
4261         */
4262
4263         if (_session && (where > _session->current_end_frame())) {
4264                 horizontal_adjustment.set_upper ((where + current_page_frames()) / frames_per_unit);
4265         }
4266
4267         pending_visual_change.time_origin = where;
4268
4269         ensure_visual_change_idle_handler ();
4270 }
4271
4272 void
4273 Editor::queue_visual_change (double fpu)
4274 {
4275         pending_visual_change.add (VisualChange::ZoomLevel);
4276         pending_visual_change.frames_per_unit = fpu;
4277
4278         ensure_visual_change_idle_handler ();
4279 }
4280
4281 void
4282 Editor::queue_visual_change_y (double y)
4283 {
4284         pending_visual_change.add (VisualChange::YOrigin);
4285         pending_visual_change.y_origin = y;
4286
4287         ensure_visual_change_idle_handler ();
4288 }
4289
4290 void
4291 Editor::ensure_visual_change_idle_handler ()
4292 {
4293         if (pending_visual_change.idle_handler_id < 0) {
4294                 pending_visual_change.idle_handler_id = g_idle_add (_idle_visual_changer, this);
4295         }
4296 }
4297
4298 int
4299 Editor::_idle_visual_changer (void* arg)
4300 {
4301         return static_cast<Editor*>(arg)->idle_visual_changer ();
4302 }
4303
4304 int
4305 Editor::idle_visual_changer ()
4306 {
4307         VisualChange::Type p = pending_visual_change.pending;
4308         pending_visual_change.pending = (VisualChange::Type) 0;
4309
4310         double last_time_origin = horizontal_adjustment.get_value();
4311
4312         if (p & VisualChange::ZoomLevel) {
4313                 set_frames_per_unit (pending_visual_change.frames_per_unit);
4314
4315                 compute_fixed_ruler_scale ();
4316                 compute_current_bbt_points(pending_visual_change.time_origin, pending_visual_change.time_origin + current_page_frames());
4317                 compute_bbt_ruler_scale (pending_visual_change.time_origin, pending_visual_change.time_origin + current_page_frames());
4318                 update_tempo_based_rulers ();
4319         }
4320         if (p & VisualChange::TimeOrigin) {
4321                 horizontal_adjustment.set_value (pending_visual_change.time_origin / frames_per_unit);
4322         }
4323         if (p & VisualChange::YOrigin) {
4324                 vertical_adjustment.set_value (pending_visual_change.y_origin);
4325         }
4326
4327         if (last_time_origin == horizontal_adjustment.get_value()) {
4328                 /* changed signal not emitted */
4329                 update_fixed_rulers ();
4330                 redisplay_tempo (true);
4331         }
4332
4333         _summary->set_overlays_dirty ();
4334
4335         // 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
4336         pending_visual_change.idle_handler_id = -1;
4337         return 0; /* this is always a one-shot call */
4338 }
4339
4340 struct EditorOrderTimeAxisSorter {
4341     bool operator() (const TimeAxisView* a, const TimeAxisView* b) const {
4342             return a->order () < b->order ();
4343     }
4344 };
4345
4346 void
4347 Editor::sort_track_selection (TrackViewList* sel)
4348 {
4349         EditorOrderTimeAxisSorter cmp;
4350
4351         if (sel) {
4352                 sel->sort (cmp);
4353         } else {
4354                 selection->tracks.sort (cmp);
4355         }
4356 }
4357
4358 nframes64_t
4359 Editor::get_preferred_edit_position (bool ignore_playhead)
4360 {
4361         bool ignored;
4362         nframes64_t where = 0;
4363         EditPoint ep = _edit_point;
4364
4365         if (entered_marker) {
4366                 return entered_marker->position();
4367         }
4368
4369         if (ignore_playhead && ep == EditAtPlayhead) {
4370                 ep = EditAtSelectedMarker;
4371         }
4372
4373         switch (ep) {
4374         case EditAtPlayhead:
4375                 where = _session->audible_frame();
4376                 break;
4377
4378         case EditAtSelectedMarker:
4379                 if (!selection->markers.empty()) {
4380                         bool is_start;
4381                         Location* loc = find_location_from_marker (selection->markers.front(), is_start);
4382                         if (loc) {
4383                                 if (is_start) {
4384                                         where =  loc->start();
4385                                 } else {
4386                                         where = loc->end();
4387                                 }
4388                                 break;
4389                         }
4390                 }
4391                 /* fallthru */
4392
4393         default:
4394         case EditAtMouse:
4395                 if (!mouse_frame (where, ignored)) {
4396                         /* XXX not right but what can we do ? */
4397                         return 0;
4398                 }
4399                 snap_to (where);
4400                 break;
4401         }
4402
4403         return where;
4404 }
4405
4406 void
4407 Editor::set_loop_range (nframes64_t start, nframes64_t end, string cmd)
4408 {
4409         if (!_session) return;
4410
4411         begin_reversible_command (cmd);
4412
4413         Location* tll;
4414
4415         if ((tll = transport_loop_location()) == 0) {
4416                 Location* loc = new Location (start, end, _("Loop"),  Location::IsAutoLoop);
4417                 XMLNode &before = _session->locations()->get_state();
4418                 _session->locations()->add (loc, true);
4419                 _session->set_auto_loop_location (loc);
4420                 XMLNode &after = _session->locations()->get_state();
4421                 _session->add_command (new MementoCommand<Locations>(*(_session->locations()), &before, &after));
4422         } else {
4423                 XMLNode &before = tll->get_state();
4424                 tll->set_hidden (false, this);
4425                 tll->set (start, end);
4426                 XMLNode &after = tll->get_state();
4427                 _session->add_command (new MementoCommand<Location>(*tll, &before, &after));
4428         }
4429
4430         commit_reversible_command ();
4431 }
4432
4433 void
4434 Editor::set_punch_range (nframes64_t start, nframes64_t end, string cmd)
4435 {
4436         if (!_session) return;
4437
4438         begin_reversible_command (cmd);
4439
4440         Location* tpl;
4441
4442         if ((tpl = transport_punch_location()) == 0) {
4443                 Location* loc = new Location (start, end, _("Loop"),  Location::IsAutoPunch);
4444                 XMLNode &before = _session->locations()->get_state();
4445                 _session->locations()->add (loc, true);
4446                 _session->set_auto_loop_location (loc);
4447                 XMLNode &after = _session->locations()->get_state();
4448                 _session->add_command (new MementoCommand<Locations>(*(_session->locations()), &before, &after));
4449         }
4450         else {
4451                 XMLNode &before = tpl->get_state();
4452                 tpl->set_hidden (false, this);
4453                 tpl->set (start, end);
4454                 XMLNode &after = tpl->get_state();
4455                 _session->add_command (new MementoCommand<Location>(*tpl, &before, &after));
4456         }
4457
4458         commit_reversible_command ();
4459 }
4460
4461 /** Find regions which exist at a given time, and optionally on a given list of tracks.
4462  *  @param rs List to which found regions are added.
4463  *  @param where Time to look at.
4464  *  @param ts Tracks to look on; if this is empty, all tracks are examined.
4465  */
4466 void
4467 Editor::get_regions_at (RegionSelection& rs, nframes64_t where, const TrackViewList& ts) const
4468 {
4469         const TrackViewList* tracks;
4470
4471         if (ts.empty()) {
4472                 tracks = &track_views;
4473         } else {
4474                 tracks = &ts;
4475         }
4476
4477         for (TrackViewList::const_iterator t = tracks->begin(); t != tracks->end(); ++t) {
4478                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(*t);
4479                 if (rtv) {
4480                         boost::shared_ptr<Diskstream> ds;
4481                         boost::shared_ptr<Playlist> pl;
4482
4483                         if ((ds = rtv->get_diskstream()) && ((pl = ds->playlist()))) {
4484
4485                                 Playlist::RegionList* regions = pl->regions_at (
4486                                                 (nframes64_t) floor ( (double)where * ds->speed()));
4487
4488                                 for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
4489                                         RegionView* rv = rtv->view()->find_view (*i);
4490                                         if (rv) {
4491                                                 rs.add (rv);
4492                                         }
4493                                 }
4494
4495                                 delete regions;
4496                         }
4497                 }
4498         }
4499 }
4500
4501 void
4502 Editor::get_regions_after (RegionSelection& rs, nframes64_t where, const TrackViewList& ts) const
4503 {
4504         const TrackViewList* tracks;
4505
4506         if (ts.empty()) {
4507                 tracks = &track_views;
4508         } else {
4509                 tracks = &ts;
4510         }
4511
4512         for (TrackViewList::const_iterator t = tracks->begin(); t != tracks->end(); ++t) {
4513                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(*t);
4514                 if (rtv) {
4515                         boost::shared_ptr<Diskstream> ds;
4516                         boost::shared_ptr<Playlist> pl;
4517
4518                         if ((ds = rtv->get_diskstream()) && ((pl = ds->playlist()))) {
4519
4520                                 Playlist::RegionList* regions = pl->regions_touched (
4521                                                 (nframes64_t) floor ( (double)where * ds->speed()), max_frames);
4522
4523                                 for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
4524
4525                                         RegionView* rv = rtv->view()->find_view (*i);
4526
4527                                         if (rv) {
4528                                                 rs.push_back (rv);
4529                                         }
4530                                 }
4531
4532                                 delete regions;
4533                         }
4534                 }
4535         }
4536 }
4537
4538 /** Find all regions which are either:
4539  *      - selected or
4540  *      - the entered_regionview (if allow_entered == true) or
4541  *      - under the preferred edit position AND on a selected track, or on a track
4542  *        which is in the same active edit-enable route group as a selected region (if allow_edit_position == true)
4543  *  @param rs Returned region list.
4544  *  @param allow_entered true to include the entered_regionview in the list.
4545  */
4546 void
4547 Editor::get_regions_for_action (RegionSelection& rs, bool allow_entered, bool allow_edit_position)
4548 {
4549         /* Start with selected regions */
4550         rs = selection->regions;
4551
4552         /* Add the entered_regionview, if requested */
4553         if (allow_entered && entered_regionview) {
4554                 rs.add (entered_regionview);
4555         }
4556
4557         if (allow_edit_position) {
4558
4559                 TrackViewList tracks = selection->tracks;
4560
4561                 /* tracks is currently the set of selected tracks; add any other tracks that
4562                  * have regions that are in the same edit-activated route group as one of
4563                  * our regions */
4564                 for (RegionSelection::iterator i = rs.begin (); i != rs.end(); ++i) {
4565
4566                         RouteGroup* g = (*i)->get_time_axis_view().route_group ();
4567                         if (g && g->is_active() && g->is_edit()) {
4568                                 tracks.add (axis_views_from_routes (g->route_list()));
4569                         }
4570
4571                 }
4572
4573                 if (!tracks.empty()) {
4574                         /* now find regions that are at the edit position on those tracks */
4575                         nframes64_t const where = get_preferred_edit_position ();
4576                         get_regions_at (rs, where, tracks);
4577                 }
4578         }
4579 }
4580
4581 void
4582 Editor::get_regions_corresponding_to (boost::shared_ptr<Region> region, vector<RegionView*>& regions)
4583 {
4584         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
4585
4586                 RouteTimeAxisView* tatv;
4587
4588                 if ((tatv = dynamic_cast<RouteTimeAxisView*> (*i)) != 0) {
4589
4590                         boost::shared_ptr<Playlist> pl;
4591                         vector<boost::shared_ptr<Region> > results;
4592                         RegionView* marv;
4593                         boost::shared_ptr<Diskstream> ds;
4594
4595                         if ((ds = tatv->get_diskstream()) == 0) {
4596                                 /* bus */
4597                                 continue;
4598                         }
4599
4600                         if ((pl = (ds->playlist())) != 0) {
4601                                 pl->get_region_list_equivalent_regions (region, results);
4602                         }
4603
4604                         for (vector<boost::shared_ptr<Region> >::iterator ir = results.begin(); ir != results.end(); ++ir) {
4605                                 if ((marv = tatv->view()->find_view (*ir)) != 0) {
4606                                         regions.push_back (marv);
4607                                 }
4608                         }
4609
4610                 }
4611         }
4612 }
4613
4614 void
4615 Editor::show_rhythm_ferret ()
4616 {
4617         if (rhythm_ferret == 0) {
4618                 rhythm_ferret = new RhythmFerret(*this);
4619         }
4620
4621         rhythm_ferret->set_session (_session);
4622         rhythm_ferret->show ();
4623         rhythm_ferret->present ();
4624 }
4625
4626 void
4627 Editor::show_global_port_matrix (ARDOUR::DataType t)
4628 {
4629         if (_global_port_matrix[t] == 0) {
4630                 _global_port_matrix[t] = new GlobalPortMatrixWindow (_session, t);
4631         }
4632
4633         _global_port_matrix[t]->show ();
4634 }
4635
4636 void
4637 Editor::first_idle ()
4638 {
4639         MessageDialog* dialog = 0;
4640
4641         if (track_views.size() > 1) {
4642                 dialog = new MessageDialog (*this,
4643                                             _("Please wait while Ardour loads visual data"),
4644                                             true,
4645                                             Gtk::MESSAGE_INFO,
4646                                             Gtk::BUTTONS_NONE);
4647                 dialog->present ();
4648                 ARDOUR_UI::instance()->flush_pending ();
4649         }
4650
4651         for (TrackViewList::iterator t = track_views.begin(); t != track_views.end(); ++t) {
4652                 (*t)->first_idle();
4653         }
4654
4655         // first idle adds route children (automation tracks), so we need to redisplay here
4656         _routes->redisplay ();
4657
4658         delete dialog;
4659
4660         _have_idled = true;
4661 }
4662
4663 static gboolean
4664 _idle_resizer (gpointer arg)
4665 {
4666         return ((Editor*)arg)->idle_resize ();
4667 }
4668
4669 void
4670 Editor::add_to_idle_resize (TimeAxisView* view, int32_t h)
4671 {
4672         if (resize_idle_id < 0) {
4673                 resize_idle_id = g_idle_add (_idle_resizer, this);
4674                 _pending_resize_amount = 0;
4675         }
4676
4677         /* make a note of the smallest resulting height, so that we can clamp the
4678            lower limit at TimeAxisView::hSmall */
4679
4680         int32_t min_resulting = INT32_MAX;
4681
4682         _pending_resize_amount += h;
4683         _pending_resize_view = view;
4684
4685         min_resulting = min (min_resulting, int32_t (_pending_resize_view->current_height()) + _pending_resize_amount);
4686
4687         if (selection->tracks.contains (_pending_resize_view)) {
4688                 for (TrackViewList::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
4689                         min_resulting = min (min_resulting, int32_t ((*i)->current_height()) + _pending_resize_amount);
4690                 }
4691         }
4692
4693         if (min_resulting < 0) {
4694                 min_resulting = 0;
4695         }
4696
4697         /* clamp */
4698         if (uint32_t (min_resulting) < TimeAxisView::hSmall) {
4699                 _pending_resize_amount += TimeAxisView::hSmall - min_resulting;
4700         }
4701 }
4702
4703 /** Handle pending resizing of tracks */
4704 bool
4705 Editor::idle_resize ()
4706 {
4707         _pending_resize_view->idle_resize (_pending_resize_view->current_height() + _pending_resize_amount);
4708
4709         if (dynamic_cast<AutomationTimeAxisView*> (_pending_resize_view) == 0 &&
4710             selection->tracks.contains (_pending_resize_view)) {
4711
4712                 for (TrackViewList::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
4713                         if (*i != _pending_resize_view) {
4714                                 (*i)->idle_resize ((*i)->current_height() + _pending_resize_amount);
4715                         }
4716                 }
4717         }
4718
4719         flush_canvas ();
4720         _group_tabs->set_dirty ();
4721         resize_idle_id = -1;
4722
4723         return false;
4724 }
4725
4726 void
4727 Editor::located ()
4728 {
4729         ENSURE_GUI_THREAD (*this, &Editor::located);
4730
4731         playhead_cursor->set_position (_session->audible_frame ());
4732         if (_follow_playhead && !_pending_initial_locate) {
4733                 reset_x_origin_to_follow_playhead ();
4734         }
4735
4736         _pending_locate_request = false;
4737         _pending_initial_locate = false;
4738 }
4739
4740 void
4741 Editor::region_view_added (RegionView *)
4742 {
4743         _summary->set_dirty ();
4744 }
4745
4746 void
4747 Editor::streamview_height_changed ()
4748 {
4749         _summary->set_dirty ();
4750 }
4751
4752 TimeAxisView*
4753 Editor::axis_view_from_route (boost::shared_ptr<Route> r) const
4754 {
4755         TrackViewList::const_iterator j = track_views.begin ();
4756         while (j != track_views.end()) {
4757                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (*j);
4758                 if (rtv && rtv->route() == r) {
4759                         return rtv;
4760                 }
4761                 ++j;
4762         }
4763
4764         return 0;
4765 }
4766
4767
4768 TrackViewList
4769 Editor::axis_views_from_routes (boost::shared_ptr<RouteList> r) const
4770 {
4771         TrackViewList t;
4772
4773         for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
4774                 TimeAxisView* tv = axis_view_from_route (*i);
4775                 if (tv) {
4776                         t.push_back (tv);
4777                 }
4778         }
4779
4780         return t;
4781 }
4782
4783
4784 void
4785 Editor::handle_new_route (RouteList& routes)
4786 {
4787         ENSURE_GUI_THREAD (*this, &Editor::handle_new_route, routes)
4788
4789         RouteTimeAxisView *rtv;
4790         list<RouteTimeAxisView*> new_views;
4791
4792         for (RouteList::iterator x = routes.begin(); x != routes.end(); ++x) {
4793                 boost::shared_ptr<Route> route = (*x);
4794
4795                 if (route->is_hidden() || route->is_control()) {
4796                         continue;
4797                 }
4798
4799                 DataType dt = route->input()->default_type();
4800
4801                 if (dt == ARDOUR::DataType::AUDIO) {
4802                         rtv = new AudioTimeAxisView (*this, _session, route, *track_canvas);
4803                 } else if (dt == ARDOUR::DataType::MIDI) {
4804                         rtv = new MidiTimeAxisView (*this, _session, route, *track_canvas);
4805                 } else {
4806                         throw unknown_type();
4807                 }
4808
4809                 new_views.push_back (rtv);
4810                 track_views.push_back (rtv);
4811
4812                 rtv->effective_gain_display ();
4813
4814                 rtv->view()->RegionViewAdded.connect (sigc::mem_fun (*this, &Editor::region_view_added));
4815                 rtv->view()->HeightChanged.connect (sigc::mem_fun (*this, &Editor::streamview_height_changed));
4816         }
4817
4818         _routes->routes_added (new_views);
4819
4820         if (show_editor_mixer_when_tracks_arrive) {
4821                 show_editor_mixer (true);
4822         }
4823
4824         editor_list_button.set_sensitive (true);
4825
4826         _summary->set_dirty ();
4827 }
4828
4829 void
4830 Editor::timeaxisview_deleted (TimeAxisView *tv)
4831 {
4832         if (_session && _session->deletion_in_progress()) {
4833                 /* the situation is under control */
4834                 return;
4835         }
4836
4837         ENSURE_GUI_THREAD (*this, &Editor::timeaxisview_deleted, tv);
4838
4839
4840         _routes->route_removed (tv);
4841
4842         if (tv == entered_track) {
4843                 entered_track = 0;
4844         }
4845
4846         /* remove it from the list of track views */
4847
4848         TrackViewList::iterator i;
4849
4850         if ((i = find (track_views.begin(), track_views.end(), tv)) != track_views.end()) {
4851                 i = track_views.erase (i);
4852         }
4853
4854         /* update whatever the current mixer strip is displaying, if revelant */
4855
4856         boost::shared_ptr<Route> route;
4857         RouteTimeAxisView* rtav = dynamic_cast<RouteTimeAxisView*> (tv);
4858
4859         if (rtav) {
4860                 route = rtav->route ();
4861         }
4862
4863         if (current_mixer_strip && current_mixer_strip->route() == route) {
4864
4865                 TimeAxisView* next_tv;
4866
4867                 if (track_views.empty()) {
4868                         next_tv = 0;
4869                 } else if (i == track_views.end()) {
4870                         next_tv = track_views.front();
4871                 } else {
4872                         next_tv = (*i);
4873                 }
4874
4875
4876                 if (next_tv) {
4877                         set_selected_mixer_strip (*next_tv);
4878                 } else {
4879                         /* make the editor mixer strip go away setting the
4880                          * button to inactive (which also unticks the menu option)
4881                          */
4882
4883                         ActionManager::uncheck_toggleaction ("<Actions>/Editor/show-editor-mixer");
4884                 }
4885         }
4886 }
4887
4888 void
4889 Editor::hide_track_in_display (TimeAxisView& tv, bool /*temponly*/)
4890 {
4891         RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (&tv);
4892
4893         if (rtv && current_mixer_strip && (rtv->route() == current_mixer_strip->route())) {
4894                 // this will hide the mixer strip
4895                 set_selected_mixer_strip (tv);
4896         }
4897
4898         _routes->hide_track_in_display (tv);
4899 }
4900
4901 bool
4902 Editor::sync_track_view_list_and_routes ()
4903 {
4904         track_views = TrackViewList (_routes->views ());
4905
4906         _summary->set_dirty ();
4907         _group_tabs->set_dirty ();
4908
4909         return false; // do not call again (until needed)
4910 }
4911
4912 void
4913 Editor::foreach_time_axis_view (sigc::slot<void,TimeAxisView&> theslot)
4914 {
4915         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
4916                 theslot (**i);
4917         }
4918 }
4919
4920 RouteTimeAxisView*
4921 Editor::get_route_view_by_id (PBD::ID& id)
4922 {
4923         RouteTimeAxisView* v;
4924
4925         for(TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
4926                 if((v = dynamic_cast<RouteTimeAxisView*>(*i)) != 0) {
4927                         if(v->route()->id() == id) {
4928                                 return v;
4929                         }
4930                 }
4931         }
4932
4933         return 0;
4934 }
4935
4936 void
4937 Editor::fit_route_group (RouteGroup *g)
4938 {
4939         TrackViewList ts = axis_views_from_routes (g->route_list ());
4940         fit_tracks (ts);
4941 }
4942
4943 void
4944 Editor::consider_auditioning (boost::shared_ptr<Region> region)
4945 {
4946         boost::shared_ptr<AudioRegion> r = boost::dynamic_pointer_cast<AudioRegion> (region);
4947
4948         if (r == 0) {
4949                 _session->cancel_audition ();
4950                 return;
4951         }
4952
4953         if (_session->is_auditioning()) {
4954                 _session->cancel_audition ();
4955                 if (r == last_audition_region) {
4956                         return;
4957                 }
4958         }
4959
4960         _session->audition_region (r);
4961         last_audition_region = r;
4962 }
4963
4964
4965 void
4966 Editor::hide_a_region (boost::shared_ptr<Region> r)
4967 {
4968         r->set_hidden (true);
4969 }
4970
4971 void
4972 Editor::remove_a_region (boost::shared_ptr<Region> r)
4973 {
4974         // _session->remove_region_from_region_list (r);
4975 }
4976
4977 void
4978 Editor::audition_region_from_region_list ()
4979 {
4980         _regions->selection_mapover (sigc::mem_fun (*this, &Editor::consider_auditioning));
4981 }
4982
4983 void
4984 Editor::hide_region_from_region_list ()
4985 {
4986         _regions->selection_mapover (sigc::mem_fun (*this, &Editor::hide_a_region));
4987 }
4988
4989 void
4990 Editor::start_step_editing ()
4991 {
4992         step_edit_connection = Glib::signal_timeout().connect (sigc::mem_fun (*this, &Editor::check_step_edit), 20);
4993 }
4994
4995 void
4996 Editor::stop_step_editing ()
4997 {
4998         step_edit_connection.disconnect ();
4999 }
5000
5001 bool
5002 Editor::check_step_edit ()
5003 {
5004         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5005                 MidiTimeAxisView* mtv = dynamic_cast<MidiTimeAxisView*> (*i);
5006                 if (mtv) {
5007                         mtv->check_step_edit ();
5008                 }
5009         }
5010
5011         return true; // do it again, till we stop
5012 }
5013
5014 void
5015 Editor::horizontal_scroll_left ()
5016 {
5017         double x = leftmost_position() - current_page_frames() / 5;
5018         if (x < 0) {
5019                 x = 0;
5020         }
5021
5022         reset_x_origin (x);
5023 }
5024
5025 void
5026 Editor::horizontal_scroll_right ()
5027 {
5028         reset_x_origin (leftmost_position() + current_page_frames() / 5);
5029 }
5030
5031 /** Queue a change for the Editor viewport x origin to follow the playhead */
5032 void
5033 Editor::reset_x_origin_to_follow_playhead ()
5034 {
5035         nframes64_t const frame = playhead_cursor->current_frame;
5036
5037         if (frame < leftmost_frame || frame > leftmost_frame + current_page_frames()) {
5038
5039                 if (_session->transport_speed() < 0) {
5040
5041                         if (frame > (current_page_frames() / 2)) {
5042                                 center_screen (frame-(current_page_frames()/2));
5043                         } else {
5044                                 center_screen (current_page_frames()/2);
5045                         }
5046
5047                 } else {
5048
5049                         if (frame < leftmost_frame) {
5050                                 /* moving left */
5051                                 nframes64_t l = 0;
5052                                 if (_session->transport_rolling()) {
5053                                         /* rolling; end up with the playhead at the right of the page */
5054                                         l = frame - current_page_frames ();
5055                                 } else {
5056                                         /* not rolling: end up with the playhead 3/4 of the way along the page */
5057                                         l = frame - (3 * current_page_frames() / 4);
5058                                 }
5059
5060                                 if (l < 0) {
5061                                         l = 0;
5062                                 }
5063
5064                                 center_screen_internal (l + (current_page_frames() / 2), current_page_frames ());
5065                         } else {
5066                                 /* moving right */
5067                                 if (_session->transport_rolling()) {
5068                                         /* rolling: end up with the playhead on the left of the page */
5069                                         center_screen_internal (frame + (current_page_frames() / 2), current_page_frames ());
5070                                 } else {
5071                                         /* not rolling: end up with the playhead 1/4 of the way along the page */
5072                                         center_screen_internal (frame + (current_page_frames() / 4), current_page_frames ());
5073                                 }
5074                         }
5075                 }
5076         }
5077 }
5078
5079 void
5080 Editor::super_rapid_screen_update ()
5081 {
5082         if (!_session || !_session->engine().running()) {
5083                 return;
5084         }
5085
5086         /* METERING / MIXER STRIPS */
5087
5088         /* update track meters, if required */
5089         if (is_mapped() && meters_running) {
5090                 RouteTimeAxisView* rtv;
5091                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5092                         if ((rtv = dynamic_cast<RouteTimeAxisView*>(*i)) != 0) {
5093                                 rtv->fast_update ();
5094                         }
5095                 }
5096         }
5097
5098         /* and any current mixer strip */
5099         if (current_mixer_strip) {
5100                 current_mixer_strip->fast_update ();
5101         }
5102
5103         /* PLAYHEAD AND VIEWPORT */
5104
5105         nframes64_t const frame = _session->audible_frame();
5106
5107         /* There are a few reasons why we might not update the playhead / viewport stuff:
5108          *
5109          * 1.  we don't update things when there's a pending locate request, otherwise
5110          *     when the editor requests a locate there is a chance that this method
5111          *     will move the playhead before the locate request is processed, causing
5112          * 2.  if we're not rolling, there's nothing to do here (locates are handled elsewhere).
5113          * 3.  if we're still at the same frame that we were last time, there's nothing to do.
5114          */
5115
5116         if (!_pending_locate_request && _session->transport_speed() != 0 && frame != last_update_frame) {
5117
5118                 last_update_frame = frame;
5119
5120                 if (!_dragging_playhead) {
5121                         playhead_cursor->set_position (frame);
5122                 }
5123
5124 #undef CONTINUOUS_SCROLL
5125 #ifndef CONTINUOUS_SCROLL
5126
5127                 if (!_dragging_playhead && _follow_playhead && _session->requested_return_frame() < 0) {
5128                         reset_x_origin_to_follow_playhead ();
5129                 }
5130
5131 #else  // CONTINUOUS_SCROLL
5132
5133                 /* don't do continuous scroll till the new position is in the rightmost quarter of the
5134                    editor canvas
5135                 */
5136
5137                 double target = ((double)frame - (double)current_page_frames()/2.0) / frames_per_unit;
5138                 if (target <= 0.0) {
5139                         target = 0.0;
5140                 }
5141                 if (fabs(target - current) < current_page_frames() / frames_per_unit) {
5142                         target = (target * 0.15) + (current * 0.85);
5143                 } else {
5144                         /* relax */
5145                 }
5146
5147                 current = target;
5148                 horizontal_adjustment.set_value (current);
5149
5150 #endif // CONTINUOUS_SCROLL
5151
5152         }
5153 }
5154
5155
5156 void
5157 Editor::session_going_away ()
5158 {
5159         _have_idled = false;
5160
5161         _session_connections.drop_connections ();
5162
5163         super_rapid_screen_update_connection.disconnect ();
5164
5165         selection->clear ();
5166         cut_buffer->clear ();
5167
5168         clicked_regionview = 0;
5169         clicked_axisview = 0;
5170         clicked_routeview = 0;
5171         clicked_crossfadeview = 0;
5172         entered_regionview = 0;
5173         entered_track = 0;
5174         last_update_frame = 0;
5175         _drags->abort ();
5176
5177         playhead_cursor->canvas_item.hide ();
5178
5179         /* rip everything out of the list displays */
5180
5181         _regions->clear ();
5182         _routes->clear ();
5183         _route_groups->clear ();
5184
5185         /* do this first so that deleting a track doesn't reset cms to null
5186            and thus cause a leak.
5187         */
5188
5189         if (current_mixer_strip) {
5190                 if (current_mixer_strip->get_parent() != 0) {
5191                         global_hpacker.remove (*current_mixer_strip);
5192                 }
5193                 delete current_mixer_strip;
5194                 current_mixer_strip = 0;
5195         }
5196
5197         /* delete all trackviews */
5198
5199         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5200                 delete *i;
5201         }
5202         track_views.clear ();
5203
5204         zoom_range_clock.set_session (0);
5205         nudge_clock.set_session (0);
5206
5207         editor_list_button.set_active(false);
5208         editor_list_button.set_sensitive(false);
5209
5210         /* clear tempo/meter rulers */
5211         remove_metric_marks ();
5212         hide_measures ();
5213         clear_marker_display ();
5214
5215         delete current_bbt_points;
5216         current_bbt_points = 0;
5217
5218         /* get rid of any existing editor mixer strip */
5219
5220         WindowTitle title(Glib::get_application_name());
5221         title += _("Editor");
5222
5223         set_title (title.get_string());
5224
5225         SessionHandlePtr::session_going_away ();
5226 }
5227
5228
5229 void
5230 Editor::show_editor_list (bool yn)
5231 {
5232         if (yn) {
5233                 the_notebook.show();
5234         } else {
5235                 the_notebook.hide();
5236         }
5237 }