gtk2_ardour/editor.h

   1 /*
   2  * Copyright (C) 2005-2006 Taybin Rutkin <taybin@taybin.com>
   3  * Copyright (C) 2005-2007 Doug McLain <doug@nostar.net>
   4  * Copyright (C) 2005-2018 Paul Davis <paul@linuxaudiosystems.com>
   5  * Copyright (C) 2005 Karsten Wiese <fzuuzf@googlemail.com>
   6  * Copyright (C) 2006-2009 Sampo Savolainen <v2@iki.fi>
   7  * Copyright (C) 2006-2015 David Robillard <d@drobilla.net>
   8  * Copyright (C) 2006-2017 Tim Mayberry <mojofunk@gmail.com>
   9  * Copyright (C) 2007-2012 Carl Hetherington <carl@carlh.net>
  10  * Copyright (C) 2008-2011 Sakari Bergen <sakari.bergen@beatwaves.net>
  11  * Copyright (C) 2008 Hans Baier <hansfbaier@googlemail.com>
  12  * Copyright (C) 2013-2015 Colin Fletcher <colin.m.fletcher@googlemail.com>
  13  * Copyright (C) 2013-2019 Robin Gareus <robin@gareus.org>
  14  * Copyright (C) 2014-2017 Nick Mainsbridge <mainsbridge@gmail.com>
  15  * Copyright (C) 2014-2019 Ben Loftis <ben@harrisonconsoles.com>
  16  * Copyright (C) 2015-2019 Damien Zammit <damien@zamaudio.com>
  17  * Copyright (C) 2015 André Nusser <andre.nusser@googlemail.com>
  18  *
  19  * This program is free software; you can redistribute it and/or modify
  20  * it under the terms of the GNU General Public License as published by
  21  * the Free Software Foundation; either version 2 of the License, or
  22  * (at your option) any later version.
  23  *
  24  * This program is distributed in the hope that it will be useful,
  25  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  26  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  27  * GNU General Public License for more details.
  28  *
  29  * You should have received a copy of the GNU General Public License along
  30  * with this program; if not, write to the Free Software Foundation, Inc.,
  31  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  32  */
  33
  34 #ifndef __ardour_editor_h__
  35 #define __ardour_editor_h__
  36
  37 #include <sys/time.h>
  38
  39 #include <cmath>
  40 #include <list>
  41 #include <map>
  42 #include <set>
  43 #include <string>
  44 #include <vector>
  45
  46 #include <boost/optional.hpp>
  47
  48 #include <gtkmm/comboboxtext.h>
  49 #include <gtkmm/layout.h>
  50
  51 #include "gtkmm2ext/bindings.h"
  52 #include "gtkmm2ext/dndtreeview.h"
  53
  54 #include "pbd/stateful.h"
  55 #include "pbd/signals.h"
  56
  57 #include "ardour/import_status.h"
  58 #include "ardour/tempo.h"
  59 #include "ardour/location.h"
  60 #include "ardour/types.h"
  61
  62 #include "canvas/fwd.h"
  63 #include "canvas/ruler.h"
  64
  65 #include "widgets/ardour_button.h"
  66 #include "widgets/ardour_dropdown.h"
  67 #include "widgets/pane.h"
  68
  69 #include "ardour_dialog.h"
  70 #include "public_editor.h"
  71 #include "editing.h"
  72 #include "enums.h"
  73 #include "editor_items.h"
  74 #include "region_selection.h"
  75 #include "selection_memento.h"
  76 #include "tempo_curve.h"
  77
  78 #include "ptformat/ptformat.h"
  79
  80 namespace Gtkmm2ext {
  81         class Bindings;
  82 }
  83
  84 namespace Evoral {
  85         class SMF;
  86 }
  87
  88 namespace ARDOUR {
  89         class AudioPlaylist;
  90         class AudioRegion;
  91         class AudioTrack;
  92         class ChanCount;
  93         class Filter;
  94         class Location;
  95         class MidiOperator;
  96         class MidiRegion;
  97         class MidiTrack;
  98         class Playlist;
  99         class Region;
 100         class RouteGroup;
 101         class Session;
 102         class TempoSection;
 103         class Track;
 104 }
 105
 106 namespace LADSPA {
 107         class Plugin;
 108 }
 109
 110 class AnalysisWindow;
 111 class AudioClock;
 112 class AudioRegionView;
 113 class AudioStreamView;
 114 class AudioTimeAxisView;
 115 class AutomationLine;
 116 class AutomationSelection;
 117 class AutomationTimeAxisView;
 118 class BundleManager;
 119 class ControlPoint;
 120 class CursorContext;
 121 class DragManager;
 122 class EditNoteDialog;
 123 class EditorCursor;
 124 class EditorGroupTabs;
 125 class EditorLocations;
 126 class EditorRegions;
 127 class EditorSources;
 128 class EditorRoutes;
 129 class EditorRouteGroups;
 130 class EditorSnapshots;
 131 class EditorSummary;
 132 class GUIObjectState;
 133 class ArdourMarker;
 134 class MidiRegionView;
 135 class MidiExportDialog;
 136 class MixerStrip;
 137 class MouseCursors;
 138 class NoteBase;
 139 class PlaylistSelector;
 140 class PluginSelector;
 141 class ProgressReporter;
 142 class QuantizeDialog;
 143 class RhythmFerret;
 144 class RulerDialog;
 145 class Selection;
 146 class SoundFileOmega;
 147 class StreamView;
 148 class GridLines;
 149 class TempoLines;
 150 class TimeAxisView;
 151 class TimeInfoBox;
 152 class TimeFXDialog;
 153 class TimeSelection;
 154 class RegionLayeringOrderEditor;
 155 class VerboseCursor;
 156
 157 class Editor : public PublicEditor, public PBD::ScopedConnectionList
 158 {
 159 public:
 160         Editor ();
 161         ~Editor ();
 162
 163         void             set_session (ARDOUR::Session*);
 164
 165         Gtk::Window* use_own_window (bool and_fill_it);
 166
 167         void             first_idle ();
 168         virtual bool     have_idled () const { return _have_idled; }
 169
 170         samplepos_t leftmost_sample() const { return _leftmost_sample; }
 171
 172         samplecnt_t current_page_samples() const {
 173                 return (samplecnt_t) _visible_canvas_width* samples_per_pixel;
 174         }
 175
 176         double visible_canvas_height () const {
 177                 return _visible_canvas_height;
 178         }
 179         double trackviews_height () const;
 180
 181         void cycle_snap_mode ();
 182         void next_grid_choice ();
 183         void prev_grid_choice ();
 184         void set_grid_to (Editing::GridType);
 185         void set_snap_mode (Editing::SnapMode);
 186
 187         Editing::SnapMode  snap_mode () const;
 188         Editing::GridType  grid_type () const;
 189         bool  grid_musical () const;
 190         bool  grid_nonmusical () const;
 191
 192         void undo (uint32_t n = 1);
 193         void redo (uint32_t n = 1);
 194
 195         XMLNode& get_state ();
 196         int set_state (const XMLNode&, int version);
 197
 198         void set_mouse_mode (Editing::MouseMode, bool force = false);
 199         void step_mouse_mode (bool next);
 200         Editing::MouseMode current_mouse_mode () const { return mouse_mode; }
 201         Editing::MidiEditMode current_midi_edit_mode () const;
 202         void remove_midi_note (ArdourCanvas::Item*, GdkEvent*);
 203
 204         bool internal_editing() const;
 205
 206         void foreach_time_axis_view (sigc::slot<void,TimeAxisView&>);
 207         void add_to_idle_resize (TimeAxisView*, int32_t);
 208
 209         StripableTimeAxisView* get_stripable_time_axis_by_id (const PBD::ID& id) const;
 210
 211         void consider_auditioning (boost::shared_ptr<ARDOUR::Region>);
 212         void hide_a_region (boost::shared_ptr<ARDOUR::Region>);
 213         void show_a_region (boost::shared_ptr<ARDOUR::Region>);
 214
 215 #ifdef USE_RUBBERBAND
 216         std::vector<std::string> rb_opt_strings;
 217         int rb_current_opt;
 218 #endif
 219
 220         /* things that need to be public to be used in the main menubar */
 221
 222         void new_region_from_selection ();
 223         void separate_regions_between (const TimeSelection&);
 224         void separate_region_from_selection ();
 225         void separate_under_selected_regions ();
 226         void separate_region_from_punch ();
 227         void separate_region_from_loop ();
 228         void separate_regions_using_location (ARDOUR::Location&);
 229         void transition_to_rolling (bool forward);
 230
 231         /* NOTE: these functions assume that the "pixel" coordinate is
 232            in canvas coordinates. These coordinates already take into
 233            account any scrolling offsets.
 234         */
 235
 236         samplepos_t pixel_to_sample_from_event (double pixel) const {
 237
 238                 /* pixel can be less than zero when motion events
 239                    are processed. since we've already run the world->canvas
 240                    affine, that means that the location *really* is "off
 241                    to the right" and thus really is "before the start".
 242                 */
 243
 244                 if (pixel >= 0) {
 245                         return pixel * samples_per_pixel;
 246                 } else {
 247                         return 0;
 248                 }
 249         }
 250
 251         samplepos_t pixel_to_sample (double pixel) const {
 252                 return pixel * samples_per_pixel;
 253         }
 254
 255         double sample_to_pixel (samplepos_t sample) const {
 256                 return round (sample / (double) samples_per_pixel);
 257         }
 258
 259         double sample_to_pixel_unrounded (samplepos_t sample) const {
 260                 return sample / (double) samples_per_pixel;
 261         }
 262
 263         /* selection */
 264
 265         Selection& get_selection() const { return *selection; }
 266         bool get_selection_extents (samplepos_t &start, samplepos_t &end) const;  // the time extents of the current selection, whether Range, Region(s), Control Points, or Notes
 267         Selection& get_cut_buffer() const { return *cut_buffer; }
 268
 269         void set_selection (std::list<Selectable*>, Selection::Operation);
 270
 271         bool extend_selection_to_track (TimeAxisView&);
 272
 273         void play_selection ();
 274         void maybe_locate_with_edit_preroll (samplepos_t);
 275         void play_with_preroll ();
 276         void rec_with_preroll ();
 277         void rec_with_count_in ();
 278         void select_all_in_track (Selection::Operation op);
 279         void select_all_objects (Selection::Operation op);
 280         void invert_selection_in_track ();
 281         void invert_selection ();
 282         void deselect_all ();
 283         long select_range (samplepos_t, samplepos_t);
 284
 285         void set_selected_regionview_from_region_list (boost::shared_ptr<ARDOUR::Region> region, Selection::Operation op = Selection::Set);
 286
 287         void remove_tracks ();
 288
 289         /* tempo */
 290
 291         void update_grid ();
 292
 293         /* analysis window */
 294
 295         void loudness_analyze_region_selection();
 296         void loudness_analyze_range_selection();
 297
 298         void spectral_analyze_region_selection();
 299         void spectral_analyze_range_selection();
 300
 301         /* export */
 302
 303         void export_audio ();
 304         void stem_export ();
 305         void export_selection ();
 306         void export_range ();
 307         void export_region ();
 308
 309         bool process_midi_export_dialog (MidiExportDialog& dialog, boost::shared_ptr<ARDOUR::MidiRegion> midi_region);
 310
 311         void               set_zoom_focus (Editing::ZoomFocus);
 312         Editing::ZoomFocus get_zoom_focus () const { return zoom_focus; }
 313         samplecnt_t        get_current_zoom () const { return samples_per_pixel; }
 314         void               cycle_zoom_focus ();
 315         void temporal_zoom_step (bool zoom_out);
 316         void temporal_zoom_step_scale (bool zoom_out, double scale);
 317         void temporal_zoom_step_mouse_focus (bool zoom_out);
 318         void temporal_zoom_step_mouse_focus_scale (bool zoom_out, double scale);
 319         void ensure_time_axis_view_is_visible (TimeAxisView const & tav, bool at_top);
 320         void tav_zoom_step (bool coarser);
 321         void tav_zoom_smooth (bool coarser, bool force_all);
 322
 323         /* stuff that AudioTimeAxisView and related classes use */
 324
 325         PlaylistSelector& playlist_selector() const;
 326         void clear_playlist (boost::shared_ptr<ARDOUR::Playlist>);
 327
 328         void new_playlists (TimeAxisView* v);
 329         void copy_playlists (TimeAxisView* v);
 330         void clear_playlists (TimeAxisView* v);
 331
 332         void get_onscreen_tracks (TrackViewList&);
 333
 334         Width editor_mixer_strip_width;
 335         void maybe_add_mixer_strip_width (XMLNode&);
 336         void show_editor_mixer (bool yn);
 337         void create_editor_mixer ();
 338         void show_editor_list (bool yn);
 339         void set_selected_mixer_strip (TimeAxisView&);
 340         void mixer_strip_width_changed ();
 341         void hide_track_in_display (TimeAxisView* tv, bool apply_to_selection = false);
 342         void show_track_in_display (TimeAxisView* tv, bool move_into_view = false);
 343         void tempo_curve_selected (ARDOUR::TempoSection* ts, bool yn);
 344
 345         /* nudge is initiated by transport controls owned by ARDOUR_UI */
 346
 347         samplecnt_t get_nudge_distance (samplepos_t pos, samplecnt_t& next);
 348         samplecnt_t get_paste_offset (samplepos_t pos, unsigned paste_count, samplecnt_t duration);
 349         unsigned get_grid_beat_divisions(samplepos_t position);
 350         Temporal::Beats get_grid_type_as_beats (bool& success, samplepos_t position);
 351
 352         int32_t get_grid_music_divisions (uint32_t event_state);
 353
 354         void nudge_forward (bool next, bool force_playhead);
 355         void nudge_backward (bool next, bool force_playhead);
 356
 357         /* nudge initiated from context menu */
 358
 359         void nudge_forward_capture_offset ();
 360         void nudge_backward_capture_offset ();
 361
 362         void sequence_regions ();
 363
 364         /* playhead/screen stuff */
 365
 366         void set_stationary_playhead (bool yn);
 367         void toggle_stationary_playhead ();
 368         bool stationary_playhead() const { return _stationary_playhead; }
 369
 370         void set_follow_playhead (bool yn, bool catch_up = true);
 371         void toggle_follow_playhead ();
 372         bool follow_playhead() const { return _follow_playhead; }
 373         bool dragging_playhead () const { return _dragging_playhead; }
 374
 375         void toggle_zero_line_visibility ();
 376         void set_summary ();
 377         void set_group_tabs ();
 378
 379         /* returns the left-most and right-most time that the gui should allow the user to scroll to */
 380         std::pair <samplepos_t,samplepos_t> session_gui_extents (bool use_extra = true) const;
 381
 382         /* fades */
 383
 384         void toggle_region_fades (int dir);
 385         void update_region_fade_visibility ();
 386
 387         /* floating windows/transient */
 388
 389         void ensure_float (Gtk::Window&);
 390
 391         void scroll_tracks_down_line ();
 392         void scroll_tracks_up_line ();
 393
 394         bool scroll_up_one_track (bool skip_child_views = false);
 395         bool scroll_down_one_track (bool skip_child_views = false);
 396
 397         void scroll_left_step ();
 398         void scroll_right_step ();
 399
 400         void scroll_left_half_page ();
 401         void scroll_right_half_page ();
 402
 403         void select_topmost_track ();
 404
 405         void cleanup_regions ();
 406
 407         void prepare_for_cleanup ();
 408         void finish_cleanup ();
 409
 410         void maximise_editing_space();
 411         void restore_editing_space();
 412
 413         double get_y_origin () const;
 414         void reset_x_origin (samplepos_t);
 415         void reset_x_origin_to_follow_playhead ();
 416         void reset_y_origin (double);
 417         void reset_zoom (samplecnt_t);
 418         void reposition_and_zoom (samplepos_t, double);
 419
 420         samplepos_t get_preferred_edit_position (Editing::EditIgnoreOption = Editing::EDIT_IGNORE_NONE,
 421                                                  bool use_context_click = false,
 422                                                  bool from_outside_canvas = false);
 423
 424         bool update_mouse_speed ();
 425         bool decelerate_mouse_speed ();
 426
 427         void toggle_meter_updating();
 428
 429         void show_rhythm_ferret();
 430
 431         void goto_visual_state (uint32_t);
 432         void save_visual_state (uint32_t);
 433
 434         void queue_draw_resize_line (int at);
 435         void start_resize_line_ops ();
 436         void end_resize_line_ops ();
 437
 438         TrackViewList const & get_track_views () const {
 439                 return track_views;
 440         }
 441
 442         int get_regionview_count_from_region_list (boost::shared_ptr<ARDOUR::Region>);
 443
 444         void do_ptimport(std::string path, ARDOUR::SrcQuality quality);
 445
 446         void do_import (std::vector<std::string>              paths,
 447                         Editing::ImportDisposition            disposition,
 448                         Editing::ImportMode                   mode,
 449                         ARDOUR::SrcQuality                    quality,
 450                         ARDOUR::MidiTrackNameSource           mts,
 451                         ARDOUR::MidiTempoMapDisposition       mtd,
 452                         samplepos_t&                          pos,
 453                         boost::shared_ptr<ARDOUR::PluginInfo> instrument = boost::shared_ptr<ARDOUR::PluginInfo>());
 454
 455         void do_embed (std::vector<std::string>              paths,
 456                        Editing::ImportDisposition            disposition,
 457                        Editing::ImportMode                   mode,
 458                        samplepos_t&                          pos,
 459                        boost::shared_ptr<ARDOUR::PluginInfo> instrument = boost::shared_ptr<ARDOUR::PluginInfo>());
 460
 461         void get_regions_corresponding_to (boost::shared_ptr<ARDOUR::Region> region, std::vector<RegionView*>& regions, bool src_comparison);
 462
 463         void get_regionviews_by_id (PBD::ID const id, RegionSelection & regions) const;
 464         void get_per_region_note_selection (std::list<std::pair<PBD::ID, std::set<boost::shared_ptr<Evoral::Note<Temporal::Beats> > > > >&) const;
 465
 466         void center_screen (samplepos_t);
 467
 468         TrackViewList axis_views_from_routes (boost::shared_ptr<ARDOUR::RouteList>) const;
 469
 470         void snap_to (ARDOUR::MusicSample& first,
 471                       ARDOUR::RoundMode    direction = ARDOUR::RoundNearest,
 472                       ARDOUR::SnapPref     pref = ARDOUR::SnapToAny_Visual,
 473                       bool                 ensure_snap = false);
 474
 475         void snap_to_with_modifier (ARDOUR::MusicSample& first,
 476                                     GdkEvent const*      ev,
 477                                     ARDOUR::RoundMode    direction = ARDOUR::RoundNearest,
 478                                     ARDOUR::SnapPref     pref = ARDOUR::SnapToAny_Visual);
 479
 480         void set_snapped_cursor_position (samplepos_t pos);
 481
 482         void begin_selection_op_history ();
 483         void begin_reversible_selection_op (std::string cmd_name);
 484         void commit_reversible_selection_op ();
 485         void undo_selection_op ();
 486         void redo_selection_op ();
 487         void begin_reversible_command (std::string cmd_name);
 488         void begin_reversible_command (GQuark);
 489         void abort_reversible_command ();
 490         void commit_reversible_command ();
 491
 492         DragManager* drags () const {
 493                 return _drags;
 494         }
 495
 496         void maybe_autoscroll (bool, bool, bool);
 497         bool autoscroll_active() const;
 498
 499         Gdk::Cursor* get_canvas_cursor () const;
 500
 501         void set_current_trimmable (boost::shared_ptr<ARDOUR::Trimmable>);
 502         void set_current_movable (boost::shared_ptr<ARDOUR::Movable>);
 503
 504         MouseCursors const* cursors () const {
 505                 return _cursors;
 506         }
 507
 508         VerboseCursor* verbose_cursor () const {
 509                 return _verbose_cursor;
 510         }
 511
 512         double clamp_verbose_cursor_x (double);
 513         double clamp_verbose_cursor_y (double);
 514
 515         void get_pointer_position (double &, double &) const;
 516
 517         /** Context for mouse entry (stored in a stack). */
 518         struct EnterContext {
 519                 ItemType                         item_type;
 520                 boost::shared_ptr<CursorContext> cursor_ctx;
 521         };
 522
 523         /** Get the topmost enter context for the given item type.
 524          *
 525          * This is used to change the cursor associated with a given enter context,
 526          * which may not be on the top of the stack.
 527          */
 528         EnterContext* get_enter_context(ItemType type);
 529
 530         TimeAxisView* stepping_axis_view () {
 531                 return _stepping_axis_view;
 532         }
 533
 534         void set_stepping_axis_view (TimeAxisView* v) {
 535                 _stepping_axis_view = v;
 536         }
 537
 538         ArdourCanvas::Container* get_trackview_group () const { return _trackview_group; }
 539         ArdourCanvas::Container* get_noscroll_group () const { return no_scroll_group; }
 540         ArdourCanvas::ScrollGroup* get_hscroll_group () const { return h_scroll_group; }
 541         ArdourCanvas::ScrollGroup* get_hvscroll_group () const { return hv_scroll_group; }
 542         ArdourCanvas::ScrollGroup* get_cursor_scroll_group () const { return cursor_scroll_group; }
 543         ArdourCanvas::Container* get_drag_motion_group () const { return _drag_motion_group; }
 544
 545         ArdourCanvas::GtkCanvasViewport* get_track_canvas () const;
 546
 547         void override_visible_track_count ();
 548
 549         /* Ruler metrics methods */
 550
 551         void metric_get_timecode (std::vector<ArdourCanvas::Ruler::Mark>&, gdouble, gdouble, gint);
 552         void metric_get_bbt (std::vector<ArdourCanvas::Ruler::Mark>&, gdouble, gdouble, gint);
 553         void metric_get_samples (std::vector<ArdourCanvas::Ruler::Mark>&, gdouble, gdouble, gint);
 554         void metric_get_minsec (std::vector<ArdourCanvas::Ruler::Mark>&, gdouble, gdouble, gint);
 555
 556         /* editing operations that need to be public */
 557         void mouse_add_new_marker (samplepos_t where, bool is_cd=false);
 558         void split_regions_at (ARDOUR::MusicSample, RegionSelection&);
 559         void split_region_at_points (boost::shared_ptr<ARDOUR::Region>, ARDOUR::AnalysisFeatureList&, bool can_ferret, bool select_new = false);
 560         RegionSelection get_regions_from_selection_and_mouse (samplepos_t);
 561
 562         void mouse_add_new_tempo_event (samplepos_t where);
 563         void mouse_add_new_meter_event (samplepos_t where);
 564         void edit_tempo_section (ARDOUR::TempoSection*);
 565         void edit_meter_section (ARDOUR::MeterSection*);
 566
 567 protected:
 568         void map_transport_state ();
 569         void map_position_change (samplepos_t);
 570         void transport_looped ();
 571
 572         void on_realize();
 573
 574         void suspend_route_redisplay ();
 575         void resume_route_redisplay ();
 576
 577 private:
 578
 579         void color_handler ();
 580
 581         bool                 constructed;
 582
 583         // to keep track of the playhead position for control_scroll
 584         boost::optional<samplepos_t> _control_scroll_target;
 585
 586         PlaylistSelector* _playlist_selector;
 587
 588         TimeInfoBox*      _time_info_box;
 589
 590         typedef std::pair<TimeAxisView*,XMLNode*> TAVState;
 591
 592         struct VisualState {
 593                 VisualState (bool with_tracks);
 594                 ~VisualState ();
 595                 double              y_position;
 596                 samplecnt_t         samples_per_pixel;
 597                 samplepos_t        _leftmost_sample;
 598                 Editing::ZoomFocus  zoom_focus;
 599                 GUIObjectState*     gui_state;
 600         };
 601
 602         std::list<VisualState*> undo_visual_stack;
 603         std::list<VisualState*> redo_visual_stack;
 604         VisualState* current_visual_state (bool with_tracks = true);
 605         void undo_visual_state ();
 606         void redo_visual_state ();
 607         void use_visual_state (VisualState&);
 608         bool no_save_visual;
 609         void swap_visual_state ();
 610
 611         std::vector<VisualState*> visual_states;
 612         void start_visual_state_op (uint32_t n);
 613         void cancel_visual_state_op (uint32_t n);
 614
 615         samplepos_t       _leftmost_sample;
 616         samplecnt_t        samples_per_pixel;
 617         Editing::ZoomFocus zoom_focus;
 618
 619         void set_samples_per_pixel (samplecnt_t);
 620         void on_samples_per_pixel_changed ();
 621
 622         Editing::MouseMode mouse_mode;
 623         Editing::GridType  pre_internal_grid_type;
 624         Editing::SnapMode  pre_internal_snap_mode;
 625         Editing::GridType  internal_grid_type;
 626         Editing::SnapMode  internal_snap_mode;
 627         Editing::MouseMode effective_mouse_mode () const;
 628
 629         enum JoinObjectRangeState {
 630                 JOIN_OBJECT_RANGE_NONE,
 631                 /** `join object/range' mode is active and the mouse is over a place where object mode should happen */
 632                 JOIN_OBJECT_RANGE_OBJECT,
 633                 /** `join object/range' mode is active and the mouse is over a place where range mode should happen */
 634                 JOIN_OBJECT_RANGE_RANGE
 635         };
 636
 637         JoinObjectRangeState _join_object_range_state;
 638
 639         void update_join_object_range_location (double);
 640
 641         boost::optional<float>  pre_notebook_shrink_pane_width;
 642
 643         Gtk::VBox _editor_list_vbox;
 644         Gtk::Notebook _the_notebook;
 645         bool _notebook_shrunk;
 646         void add_notebook_page (std::string const&, Gtk::Widget&);
 647         bool notebook_tab_clicked (GdkEventButton*, Gtk::Widget*);
 648
 649         ArdourWidgets::HPane edit_pane;
 650         ArdourWidgets::VPane editor_summary_pane;
 651
 652         Gtk::EventBox meter_base;
 653         Gtk::EventBox marker_base;
 654         Gtk::HBox     marker_box;
 655         Gtk::VBox     scrollers_rulers_markers_box;
 656
 657         void location_changed (ARDOUR::Location*);
 658         void location_flags_changed (ARDOUR::Location*);
 659         void refresh_location_display ();
 660         void refresh_location_display_internal (const ARDOUR::Locations::LocationList&);
 661         void add_new_location (ARDOUR::Location*);
 662         ArdourCanvas::Container* add_new_location_internal (ARDOUR::Location*);
 663         void location_gone (ARDOUR::Location*);
 664         void remove_marker (ArdourCanvas::Item&, GdkEvent*);
 665         gint really_remove_marker (ARDOUR::Location* loc);
 666         void goto_nth_marker (int nth);
 667         void trigger_script (int nth);
 668         void trigger_script_by_name (const std::string script_name);
 669         void toggle_marker_lines ();
 670         void set_marker_line_visibility (bool);
 671
 672         void jump_forward_to_mark ();
 673         void jump_backward_to_mark ();
 674
 675         uint32_t location_marker_color;
 676         uint32_t location_range_color;
 677         uint32_t location_loop_color;
 678         uint32_t location_punch_color;
 679         uint32_t location_cd_marker_color;
 680
 681         struct LocationMarkers {
 682                 ArdourMarker* start;
 683                 ArdourMarker* end;
 684                 bool    valid;
 685
 686                 LocationMarkers () : start(0), end(0), valid (true) {}
 687
 688                 ~LocationMarkers ();
 689
 690                 void hide ();
 691                 void show ();
 692
 693                 void set_show_lines (bool);
 694                 void set_selected (bool);
 695                 void canvas_height_set (double);
 696                 void setup_lines ();
 697
 698                 void set_name (const std::string&);
 699                 void set_position (samplepos_t start, samplepos_t end = 0);
 700                 void set_color_rgba (uint32_t);
 701         };
 702
 703         LocationMarkers*  find_location_markers (ARDOUR::Location*) const;
 704         ARDOUR::Location* find_location_from_marker (ArdourMarker*, bool& is_start) const;
 705         ArdourMarker* find_marker_from_location_id (PBD::ID const&, bool) const;
 706         ArdourMarker* entered_marker;
 707         bool _show_marker_lines;
 708
 709         typedef std::map<ARDOUR::Location*,LocationMarkers*> LocationMarkerMap;
 710         LocationMarkerMap location_markers;
 711
 712         void update_marker_labels ();
 713         void update_marker_labels (ArdourCanvas::Container*);
 714         void check_marker_label (ArdourMarker*);
 715
 716         /** A set of lists of Markers that are in each of the canvas groups
 717          *  for the marker sections at the top of the editor.  These lists
 718          *  are kept sorted in time order between marker movements, so that after
 719          *  a marker has moved we can decide whether we need to update the labels
 720          *  for all markers or for just a few.
 721          */
 722         std::map<ArdourCanvas::Container*, std::list<ArdourMarker*> > _sorted_marker_lists;
 723         void remove_sorted_marker (ArdourMarker*);
 724
 725         void hide_marker (ArdourCanvas::Item*, GdkEvent*);
 726         void clear_marker_display ();
 727         void mouse_add_new_range (samplepos_t);
 728         void mouse_add_new_loop (samplepos_t);
 729         void mouse_add_new_punch (samplepos_t);
 730         bool choose_new_marker_name(std::string &name, bool is_range=false);
 731         void update_cd_marker_display ();
 732         void ensure_cd_marker_updated (LocationMarkers* lam, ARDOUR::Location* location);
 733
 734         TimeAxisView*      clicked_axisview;
 735         RouteTimeAxisView* clicked_routeview;
 736         /** The last RegionView that was clicked on, or 0 if the last click was not
 737          * on a RegionView.  This is set up by the canvas event handlers in
 738          * editor_canvas_events.cc
 739          */
 740         RegionView*        clicked_regionview;
 741         RegionSelection    latest_regionviews;
 742         uint32_t           clicked_selection;
 743         ControlPoint*      clicked_control_point;
 744
 745         void sort_track_selection (TrackViewList&);
 746
 747         void get_equivalent_regions (RegionView* rv, std::vector<RegionView*> &, PBD::PropertyID) const;
 748         RegionSelection get_equivalent_regions (RegionSelection &, PBD::PropertyID) const;
 749         RegionView* regionview_from_region (boost::shared_ptr<ARDOUR::Region>) const;
 750         RouteTimeAxisView* rtav_from_route (boost::shared_ptr<ARDOUR::Route>) const;
 751
 752         void mapover_tracks (sigc::slot<void,RouteTimeAxisView&,uint32_t> sl, TimeAxisView*, PBD::PropertyID) const;
 753         void mapover_tracks_with_unique_playlists (sigc::slot<void,RouteTimeAxisView&,uint32_t> sl, TimeAxisView*, PBD::PropertyID) const;
 754
 755         /* functions to be passed to mapover_tracks(), possibly with sigc::bind()-supplied arguments */
 756         void mapped_get_equivalent_regions (RouteTimeAxisView&, uint32_t, RegionView*, std::vector<RegionView*>*) const;
 757         void mapped_use_new_playlist (RouteTimeAxisView&, uint32_t, std::vector<boost::shared_ptr<ARDOUR::Playlist> > const &);
 758         void mapped_use_copy_playlist (RouteTimeAxisView&, uint32_t, std::vector<boost::shared_ptr<ARDOUR::Playlist> > const &);
 759         void mapped_clear_playlist (RouteTimeAxisView&, uint32_t);
 760
 761         void button_selection (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_type);
 762         bool button_release_can_deselect;
 763         bool _mouse_changed_selection;
 764
 765         void catch_vanishing_regionview (RegionView*);
 766
 767         void set_selected_track (TimeAxisView&, Selection::Operation op = Selection::Set, bool no_remove=false);
 768         void select_all_tracks ();
 769         bool select_all_internal_edit (Selection::Operation);
 770
 771         bool set_selected_control_point_from_click (bool press, Selection::Operation op = Selection::Set);
 772         void set_selected_track_from_click (bool press, Selection::Operation op = Selection::Set, bool no_remove=false);
 773         void set_selected_track_as_side_effect (Selection::Operation op);
 774         bool set_selected_regionview_from_click (bool press, Selection::Operation op = Selection::Set);
 775
 776         bool set_selected_regionview_from_map_event (GdkEventAny*, StreamView*, boost::weak_ptr<ARDOUR::Region>);
 777         void collect_new_region_view (RegionView*);
 778         void collect_and_select_new_region_view (RegionView*);
 779
 780         Gtk::Menu track_context_menu;
 781         Gtk::Menu track_region_context_menu;
 782         Gtk::Menu track_selection_context_menu;
 783
 784         GdkEvent context_click_event;
 785
 786         void popup_track_context_menu (int, int, ItemType, bool);
 787         Gtk::Menu* build_track_context_menu ();
 788         Gtk::Menu* build_track_bus_context_menu ();
 789         Gtk::Menu* build_track_region_context_menu ();
 790         Gtk::Menu* build_track_selection_context_menu ();
 791         void add_dstream_context_items (Gtk::Menu_Helpers::MenuList&);
 792         void add_bus_context_items (Gtk::Menu_Helpers::MenuList&);
 793         void add_region_context_items (Gtk::Menu_Helpers::MenuList&, boost::shared_ptr<ARDOUR::Track>);
 794         void add_selection_context_items (Gtk::Menu_Helpers::MenuList&);
 795         Gtk::MenuItem* _popup_region_menu_item;
 796
 797         void popup_control_point_context_menu (ArdourCanvas::Item*, GdkEvent*);
 798         Gtk::Menu _control_point_context_menu;
 799
 800         void popup_note_context_menu (ArdourCanvas::Item*, GdkEvent*);
 801         Gtk::Menu _note_context_menu;
 802
 803         void add_stripables (ARDOUR::StripableList&);
 804         void add_routes (ARDOUR::RouteList&);
 805         void timeaxisview_deleted (TimeAxisView*);
 806         void add_vcas (ARDOUR::VCAList&);
 807
 808         Gtk::HBox global_hpacker;
 809         Gtk::VBox global_vpacker;
 810
 811         /* Cursor stuff.  Do not use directly, use via CursorContext. */
 812         friend class CursorContext;
 813         std::vector<Gdk::Cursor*> _cursor_stack;
 814         void set_canvas_cursor (Gdk::Cursor*);
 815         size_t push_canvas_cursor (Gdk::Cursor*);
 816         void pop_canvas_cursor ();
 817
 818         Gdk::Cursor* which_track_cursor () const;
 819         Gdk::Cursor* which_mode_cursor () const;
 820         Gdk::Cursor* which_trim_cursor (bool left_side) const;
 821         Gdk::Cursor* which_canvas_cursor (ItemType type) const;
 822
 823         /** Push the appropriate enter/cursor context on item entry. */
 824         void choose_canvas_cursor_on_entry (ItemType);
 825
 826         /** Update all enter cursors based on current settings. */
 827         void update_all_enter_cursors ();
 828
 829         ArdourCanvas::GtkCanvas* _track_canvas;
 830         ArdourCanvas::GtkCanvasViewport* _track_canvas_viewport;
 831
 832         bool within_track_canvas;
 833
 834         friend class VerboseCursor;
 835         VerboseCursor* _verbose_cursor;
 836
 837         void parameter_changed (std::string);
 838         void ui_parameter_changed (std::string);
 839
 840         Gtk::EventBox            time_bars_event_box;
 841         Gtk::VBox                time_bars_vbox;
 842
 843         ArdourCanvas::Container* tempo_group;
 844         ArdourCanvas::Container* meter_group;
 845         ArdourCanvas::Container* marker_group;
 846         ArdourCanvas::Container* range_marker_group;
 847         ArdourCanvas::Container* transport_marker_group;
 848         ArdourCanvas::Container* cd_marker_group;
 849
 850         /* parent for groups which themselves contain time markers */
 851         ArdourCanvas::Container* _time_markers_group;
 852
 853         /* The group containing all other groups that are scrolled vertically
 854            and horizontally.
 855         */
 856         ArdourCanvas::ScrollGroup* hv_scroll_group;
 857
 858         /* The group containing all other groups that are scrolled horizontally ONLY
 859         */
 860         ArdourCanvas::ScrollGroup* h_scroll_group;
 861
 862         /* Scroll group for cursors, scrolled horizontally, above everything else
 863         */
 864         ArdourCanvas::ScrollGroup* cursor_scroll_group;
 865
 866         /* The group containing all trackviews. */
 867         ArdourCanvas::Container* no_scroll_group;
 868
 869         /* The group containing all trackviews. */
 870         ArdourCanvas::Container* _trackview_group;
 871
 872         /* The group holding things (mostly regions) while dragging so they
 873          * are on top of everything else
 874          */
 875         ArdourCanvas::Container* _drag_motion_group;
 876
 877         /* a rect that sits at the bottom of all tracks to act as a drag-no-drop/clickable
 878          * target area.
 879          */
 880         ArdourCanvas::Rectangle* _canvas_drop_zone;
 881         bool canvas_drop_zone_event (GdkEvent* event);
 882
 883         Glib::RefPtr<Gtk::ToggleAction> ruler_timecode_action;
 884         Glib::RefPtr<Gtk::ToggleAction> ruler_bbt_action;
 885         Glib::RefPtr<Gtk::ToggleAction> ruler_samples_action;
 886         Glib::RefPtr<Gtk::ToggleAction> ruler_minsec_action;
 887         Glib::RefPtr<Gtk::ToggleAction> ruler_tempo_action;
 888         Glib::RefPtr<Gtk::ToggleAction> ruler_meter_action;
 889         Glib::RefPtr<Gtk::ToggleAction> ruler_marker_action;
 890         Glib::RefPtr<Gtk::ToggleAction> ruler_range_action;
 891         Glib::RefPtr<Gtk::ToggleAction> ruler_loop_punch_action;
 892         Glib::RefPtr<Gtk::ToggleAction> ruler_cd_marker_action;
 893         bool                            no_ruler_shown_update;
 894
 895         Gtk::Widget* ruler_grabbed_widget;
 896
 897         RulerDialog* ruler_dialog;
 898
 899         void initialize_rulers ();
 900         void update_just_timecode ();
 901         void compute_fixed_ruler_scale (); //calculates the RulerScale of the fixed rulers
 902         void update_fixed_rulers ();
 903         void update_tempo_based_rulers ();
 904         void popup_ruler_menu (samplepos_t where = 0, ItemType type = RegionItem);
 905         void update_ruler_visibility ();
 906         void toggle_ruler_visibility ();
 907         void ruler_toggled (int);
 908         bool ruler_label_button_release (GdkEventButton*);
 909         void store_ruler_visibility ();
 910         void restore_ruler_visibility ();
 911         void show_rulers_for_grid ();
 912
 913         enum MinsecRulerScale {
 914                 minsec_show_msecs,
 915                 minsec_show_seconds,
 916                 minsec_show_minutes,
 917                 minsec_show_hours,
 918                 minsec_show_many_hours
 919         };
 920
 921         MinsecRulerScale minsec_ruler_scale;
 922
 923         samplecnt_t minsec_mark_interval;
 924         gint minsec_mark_modulo;
 925         gint minsec_nmarks;
 926         void set_minsec_ruler_scale (samplepos_t, samplepos_t);
 927
 928         enum TimecodeRulerScale {
 929                 timecode_show_bits,
 930                 timecode_show_samples,
 931                 timecode_show_seconds,
 932                 timecode_show_minutes,
 933                 timecode_show_hours,
 934                 timecode_show_many_hours
 935         };
 936
 937         TimecodeRulerScale timecode_ruler_scale;
 938
 939         gint timecode_mark_modulo;
 940         gint timecode_nmarks;
 941         void set_timecode_ruler_scale (samplepos_t, samplepos_t);
 942
 943         samplecnt_t _samples_ruler_interval;
 944         void set_samples_ruler_scale (samplepos_t, samplepos_t);
 945
 946         enum BBTRulerScale {
 947                 bbt_show_many,
 948                 bbt_show_64,
 949                 bbt_show_16,
 950                 bbt_show_4,
 951                 bbt_show_1,
 952                 bbt_show_quarters,
 953                 bbt_show_eighths,
 954                 bbt_show_sixteenths,
 955                 bbt_show_thirtyseconds
 956         };
 957
 958         BBTRulerScale bbt_ruler_scale;
 959
 960         uint32_t bbt_bars;
 961         gint bbt_nmarks;
 962         uint32_t bbt_bar_helper_on;
 963         uint32_t bbt_accent_modulo;
 964         void compute_bbt_ruler_scale (samplepos_t lower, samplepos_t upper);
 965
 966         ArdourCanvas::Ruler* timecode_ruler;
 967         ArdourCanvas::Ruler* bbt_ruler;
 968         ArdourCanvas::Ruler* samples_ruler;
 969         ArdourCanvas::Ruler* minsec_ruler;
 970
 971         static double timebar_height;
 972         guint32 visible_timebars;
 973         Gtk::Menu* editor_ruler_menu;
 974
 975         ArdourCanvas::Rectangle* tempo_bar;
 976         ArdourCanvas::Rectangle* meter_bar;
 977         ArdourCanvas::Rectangle* marker_bar;
 978         ArdourCanvas::Rectangle* range_marker_bar;
 979         ArdourCanvas::Rectangle* transport_marker_bar;
 980         ArdourCanvas::Rectangle* cd_marker_bar;
 981
 982         Gtk::Label  minsec_label;
 983         Gtk::Label  bbt_label;
 984         Gtk::Label  timecode_label;
 985         Gtk::Label  samples_label;
 986         Gtk::Label  tempo_label;
 987         Gtk::Label  meter_label;
 988         Gtk::Label  mark_label;
 989         Gtk::Label  range_mark_label;
 990         Gtk::Label  transport_mark_label;
 991         Gtk::Label  cd_mark_label;
 992
 993         /* videtimline related actions */
 994         Gtk::Label                videotl_label;
 995         ArdourCanvas::Container*      videotl_group;
 996         Glib::RefPtr<Gtk::ToggleAction> ruler_video_action;
 997         Glib::RefPtr<Gtk::ToggleAction> xjadeo_proc_action;
 998         Glib::RefPtr<Gtk::ToggleAction> xjadeo_ontop_action;
 999         Glib::RefPtr<Gtk::ToggleAction> xjadeo_timecode_action;
1000         Glib::RefPtr<Gtk::ToggleAction> xjadeo_frame_action;
1001         Glib::RefPtr<Gtk::ToggleAction> xjadeo_osdbg_action;
1002         Glib::RefPtr<Gtk::ToggleAction> xjadeo_fullscreen_action;
1003         Glib::RefPtr<Gtk::ToggleAction> xjadeo_letterbox_action;
1004         Glib::RefPtr<Gtk::Action> xjadeo_zoom_100;
1005         void set_xjadeo_proc ();
1006         void toggle_xjadeo_proc (int state=-1);
1007         void set_close_video_sensitive (bool onoff);
1008         void set_xjadeo_sensitive (bool onoff);
1009         void set_xjadeo_viewoption (int);
1010         void toggle_xjadeo_viewoption (int what, int state=-1);
1011         void toggle_ruler_video (bool onoff) {ruler_video_action->set_active(onoff);}
1012         int videotl_bar_height; /* in units of timebar_height; default: 4 */
1013         int get_videotl_bar_height () const { return videotl_bar_height; }
1014         void toggle_region_video_lock ();
1015
1016         friend class EditorCursor;
1017
1018         EditorCursor* snapped_cursor;
1019
1020         EditorCursor* playhead_cursor;
1021         samplepos_t playhead_cursor_sample () const;
1022
1023         samplepos_t get_region_boundary (samplepos_t pos, int32_t dir, bool with_selection, bool only_onscreen);
1024
1025         void    cursor_to_region_boundary (bool with_selection, int32_t dir);
1026         void    cursor_to_next_region_boundary (bool with_selection);
1027         void    cursor_to_previous_region_boundary (bool with_selection);
1028         void    cursor_to_next_region_point (EditorCursor*, ARDOUR::RegionPoint);
1029         void    cursor_to_previous_region_point (EditorCursor*, ARDOUR::RegionPoint);
1030         void    cursor_to_region_point (EditorCursor*, ARDOUR::RegionPoint, int32_t dir);
1031         void    cursor_to_selection_start (EditorCursor*);
1032         void    cursor_to_selection_end   (EditorCursor*);
1033
1034         void    selected_marker_to_region_boundary (bool with_selection, int32_t dir);
1035         void    selected_marker_to_next_region_boundary (bool with_selection);
1036         void    selected_marker_to_previous_region_boundary (bool with_selection);
1037         void    selected_marker_to_next_region_point (ARDOUR::RegionPoint);
1038         void    selected_marker_to_previous_region_point (ARDOUR::RegionPoint);
1039         void    selected_marker_to_region_point (ARDOUR::RegionPoint, int32_t dir);
1040         void    selected_marker_to_selection_start ();
1041         void    selected_marker_to_selection_end   ();
1042
1043         void    select_all_selectables_using_cursor (EditorCursor*, bool);
1044         void    select_all_selectables_using_edit (bool, bool);
1045         void    select_all_selectables_between (bool within);
1046         void    select_range_between ();
1047
1048         boost::shared_ptr<ARDOUR::Region> find_next_region (ARDOUR::samplepos_t, ARDOUR::RegionPoint, int32_t dir, TrackViewList&, TimeAxisView** = 0);
1049         ARDOUR::samplepos_t find_next_region_boundary (ARDOUR::samplepos_t, int32_t dir, const TrackViewList&);
1050
1051         std::vector<ARDOUR::samplepos_t> region_boundary_cache;
1052         void mark_region_boundary_cache_dirty () { _region_boundary_cache_dirty = true; }
1053         void build_region_boundary_cache ();
1054         bool    _region_boundary_cache_dirty;
1055
1056         Gtk::HBox           toplevel_hpacker;
1057
1058         Gtk::HBox           bottom_hbox;
1059
1060         Gtk::Table          edit_packer;
1061
1062         /** the adjustment that controls the overall editor vertical scroll position */
1063         Gtk::Adjustment     vertical_adjustment;
1064         Gtk::Adjustment     horizontal_adjustment;
1065
1066         Gtk::Adjustment     unused_adjustment; // yes, really; Gtk::Layout constructor requires refs
1067         Gtk::Layout         controls_layout;
1068         bool control_layout_scroll (GdkEventScroll* ev);
1069         void reset_controls_layout_width ();
1070         void reset_controls_layout_height (int32_t height);
1071
1072         enum Direction {
1073                 LEFT,
1074                 RIGHT,
1075                 UP,
1076                 DOWN
1077         };
1078
1079         bool scroll_press (Direction);
1080         void scroll_release ();
1081         sigc::connection _scroll_connection;
1082         int _scroll_callbacks;
1083
1084         double _visible_canvas_width;
1085         double _visible_canvas_height; ///< height of the visible area of the track canvas
1086         double _full_canvas_height;    ///< full height of the canvas
1087
1088         bool track_canvas_map_handler (GdkEventAny*);
1089
1090         bool edit_controls_button_release (GdkEventButton*);
1091         Gtk::Menu* edit_controls_left_menu;
1092         Gtk::Menu* edit_controls_right_menu;
1093
1094         Gtk::VBox           track_canvas_vbox;
1095         Gtk::VBox           edit_controls_vbox;
1096         Gtk::HBox           edit_controls_hbox;
1097
1098         void control_vertical_zoom_in_all ();
1099         void control_vertical_zoom_out_all ();
1100         void control_vertical_zoom_in_selected ();
1101         void control_vertical_zoom_out_selected ();
1102         void control_step_tracks_up ();
1103         void control_step_tracks_down ();
1104         void control_view (uint32_t);
1105         void control_scroll (float);
1106         void control_select (boost::shared_ptr<ARDOUR::Stripable>, Selection::Operation);
1107         void control_unselect ();
1108         void access_action (const std::string&, const std::string&);
1109         void set_toggleaction (const std::string&, const std::string&, bool);
1110         bool deferred_control_scroll (samplepos_t);
1111         sigc::connection control_scroll_connection;
1112
1113         void tie_vertical_scrolling ();
1114         void set_horizontal_position (double);
1115         double horizontal_position () const;
1116
1117         struct VisualChange {
1118                 enum Type {
1119                         TimeOrigin = 0x1,
1120                         ZoomLevel = 0x2,
1121                         YOrigin = 0x4,
1122                         VideoTimeline = 0x8
1123                 };
1124
1125                 Type        pending;
1126                 samplepos_t time_origin;
1127                 samplecnt_t samples_per_pixel;
1128                 double      y_origin;
1129
1130                 int idle_handler_id;
1131                 /** true if we are currently in the idle handler */
1132                 bool being_handled;
1133
1134                 VisualChange() : pending ((VisualChange::Type) 0), time_origin (0), samples_per_pixel (0), idle_handler_id (-1), being_handled (false) {}
1135                 void add (Type t) {
1136                         pending = Type (pending | t);
1137                 }
1138         };
1139
1140         VisualChange pending_visual_change;
1141         bool visual_change_queued;
1142
1143         void pre_render ();
1144
1145         static int _idle_visual_changer (void* arg);
1146         int idle_visual_changer ();
1147         void visual_changer (const VisualChange&);
1148         void ensure_visual_change_idle_handler ();
1149
1150         /* track views */
1151         TrackViewList track_views;
1152         std::pair<TimeAxisView*, double> trackview_by_y_position (double, bool trackview_relative_offset = true) const;
1153
1154         AxisView* axis_view_by_stripable (boost::shared_ptr<ARDOUR::Stripable>) const;
1155         AxisView* axis_view_by_control (boost::shared_ptr<ARDOUR::AutomationControl>) const;
1156
1157         TimeAxisView* time_axis_view_from_stripable (boost::shared_ptr<ARDOUR::Stripable> s) const {
1158                 return dynamic_cast<TimeAxisView*> (axis_view_by_stripable (s));
1159         }
1160
1161         TrackViewList get_tracks_for_range_action () const;
1162
1163         sigc::connection super_rapid_screen_update_connection;
1164         void center_screen_internal (samplepos_t, float);
1165
1166         void super_rapid_screen_update ();
1167
1168         int64_t _last_update_time;
1169         double _err_screen_engine;
1170
1171         void session_going_away ();
1172
1173         samplepos_t cut_buffer_start;
1174         samplecnt_t cut_buffer_length;
1175
1176         boost::shared_ptr<CursorContext> _press_cursor_ctx;  ///< Button press cursor context
1177
1178         boost::weak_ptr<ARDOUR::Trimmable> _trimmable;
1179         boost::weak_ptr<ARDOUR::Movable> _movable;
1180
1181         bool typed_event (ArdourCanvas::Item*, GdkEvent*, ItemType);
1182         bool button_press_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1183         bool button_press_handler_1 (ArdourCanvas::Item*, GdkEvent*, ItemType);
1184         bool button_press_handler_2 (ArdourCanvas::Item*, GdkEvent*, ItemType);
1185         bool button_release_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1186         bool button_double_click_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1187         bool button_press_dispatch (GdkEventButton*);
1188         bool button_release_dispatch (GdkEventButton*);
1189         bool motion_handler (ArdourCanvas::Item*, GdkEvent*, bool from_autoscroll = false);
1190         bool enter_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1191         bool leave_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1192         bool key_press_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1193         bool key_release_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1194
1195         Gtkmm2ext::Bindings* button_bindings;
1196         XMLNode* button_settings () const;
1197
1198         /* KEYMAP HANDLING */
1199
1200         void register_actions ();
1201         void register_region_actions ();
1202
1203         void load_bindings ();
1204
1205         /* CUT/COPY/PASTE */
1206
1207         samplepos_t last_paste_pos;
1208         unsigned    paste_count;
1209
1210         void cut_copy (Editing::CutCopyOp);
1211         bool can_cut_copy () const;
1212         void cut_copy_points (Editing::CutCopyOp, Temporal::Beats earliest=Temporal::Beats(), bool midi=false);
1213         void cut_copy_regions (Editing::CutCopyOp, RegionSelection&);
1214         void cut_copy_ranges (Editing::CutCopyOp);
1215         void cut_copy_midi (Editing::CutCopyOp);
1216
1217         void mouse_paste ();
1218         void paste_internal (samplepos_t position, float times, const int32_t sub_num);
1219
1220         /* EDITING OPERATIONS */
1221
1222         void reset_point_selection ();
1223         void toggle_region_lock ();
1224         void toggle_opaque_region ();
1225         void toggle_record_enable ();
1226         void toggle_solo ();
1227         void toggle_solo_isolate ();
1228         void toggle_mute ();
1229         void toggle_region_lock_style ();
1230
1231         void play_solo_selection (bool restart);
1232
1233         enum LayerOperation {
1234                 Raise,
1235                 RaiseToTop,
1236                 Lower,
1237                 LowerToBottom
1238         };
1239
1240         void do_layer_operation (LayerOperation);
1241         void raise_region ();
1242         void raise_region_to_top ();
1243         void change_region_layering_order (bool from_context_menu);
1244         void lower_region ();
1245         void lower_region_to_bottom ();
1246         void split_region_at_transients ();
1247         void crop_region_to_selection ();
1248         void crop_region_to (samplepos_t start, samplepos_t end);
1249         void set_sync_point (samplepos_t, const RegionSelection&);
1250         void set_region_sync_position ();
1251         void remove_region_sync();
1252         void align_regions (ARDOUR::RegionPoint);
1253         void align_regions_relative (ARDOUR::RegionPoint point);
1254         void align_region (boost::shared_ptr<ARDOUR::Region>, ARDOUR::RegionPoint point, samplepos_t position);
1255         void align_region_internal (boost::shared_ptr<ARDOUR::Region>, ARDOUR::RegionPoint point, samplepos_t position);
1256         void recover_regions (ARDOUR::RegionList);
1257         void remove_selected_regions ();
1258         void remove_clicked_region ();
1259         void show_region_properties ();
1260         void show_midi_list_editor ();
1261         void rename_region ();
1262         void duplicate_some_regions (RegionSelection&, float times);
1263         void duplicate_selection (float times);
1264         void region_fill_selection ();
1265         void combine_regions ();
1266         void uncombine_regions ();
1267
1268         void region_fill_track ();
1269         void audition_playlist_region_standalone (boost::shared_ptr<ARDOUR::Region>);
1270         void split_multichannel_region();
1271         void reverse_region ();
1272         void strip_region_silence ();
1273         void normalize_region ();
1274         void reset_region_scale_amplitude ();
1275         void adjust_region_gain (bool up);
1276         void reset_region_gain ();
1277         void quantize_region ();
1278         void quantize_regions (const RegionSelection& rs);
1279         void legatize_region (bool shrink_only);
1280         void legatize_regions (const RegionSelection& rs, bool shrink_only);
1281         void transform_region ();
1282         void transform_regions (const RegionSelection& rs);
1283         void transpose_region ();
1284         void transpose_regions (const RegionSelection& rs);
1285         void insert_patch_change (bool from_context);
1286         void fork_region ();
1287
1288         void do_insert_time ();
1289         void insert_time (samplepos_t, samplecnt_t, Editing::InsertTimeOption, bool, bool, bool, bool, bool, bool);
1290
1291         void do_remove_time ();
1292         void remove_time (samplepos_t pos, samplecnt_t distance, Editing::InsertTimeOption opt, bool ignore_music_glue, bool markers_too,
1293                         bool glued_markers_too, bool locked_markers_too, bool tempo_too);
1294
1295         void tab_to_transient (bool forward);
1296
1297         void set_tempo_from_region ();
1298         void use_range_as_bar ();
1299
1300         void define_one_bar (samplepos_t start, samplepos_t end);
1301
1302         void audition_region_from_region_list ();
1303
1304         void naturalize_region ();
1305
1306         void split_region ();
1307
1308         void delete_ ();
1309         void cut ();
1310         void copy ();
1311         void paste (float times, bool from_context_menu);
1312
1313         void place_transient ();
1314         void remove_transient (ArdourCanvas::Item* item);
1315         void snap_regions_to_grid ();
1316         void close_region_gaps ();
1317
1318         void keyboard_paste ();
1319
1320         void region_from_selection ();
1321         void create_region_from_selection (std::vector<boost::shared_ptr<ARDOUR::Region> >&);
1322
1323         void play_from_start ();
1324         void play_from_edit_point ();
1325         void play_from_edit_point_and_return ();
1326         void play_selected_region ();
1327         void play_edit_range ();
1328         void play_location (ARDOUR::Location&);
1329         void loop_location (ARDOUR::Location&);
1330
1331         void calc_extra_zoom_edges(samplepos_t &start, samplepos_t &end);
1332         void temporal_zoom_selection (Editing::ZoomAxis);
1333         void temporal_zoom_session ();
1334         void temporal_zoom_extents ();
1335         void temporal_zoom (samplecnt_t samples_per_pixel);
1336         void temporal_zoom_by_sample (samplepos_t start, samplepos_t end);
1337         void temporal_zoom_to_sample (bool coarser, samplepos_t sample);
1338
1339         void insert_source_list_selection (float times);
1340
1341         /* import & embed */
1342
1343         void add_external_audio_action (Editing::ImportMode);
1344
1345         int  check_whether_and_how_to_import(std::string, bool all_or_nothing = true);
1346         bool check_multichannel_status (const std::vector<std::string>& paths);
1347
1348         SoundFileOmega* sfbrowser;
1349
1350         void bring_in_external_audio (Editing::ImportMode mode,  samplepos_t& pos);
1351
1352         bool  idle_drop_paths  (std::vector<std::string> paths, samplepos_t sample, double ypos, bool copy);
1353         void  drop_paths_part_two  (const std::vector<std::string>& paths, samplepos_t sample, double ypos, bool copy);
1354
1355         int import_sndfiles (std::vector<std::string>              paths,
1356                              Editing::ImportDisposition            disposition,
1357                              Editing::ImportMode                   mode,
1358                              ARDOUR::SrcQuality                    quality,
1359                              samplepos_t&                          pos,
1360                              int                                   target_regions,
1361                              int                                   target_tracks,
1362                              boost::shared_ptr<ARDOUR::Track>&     track,
1363                              bool                                  replace,
1364                              boost::shared_ptr<ARDOUR::PluginInfo> instrument = boost::shared_ptr<ARDOUR::PluginInfo>());
1365
1366         int embed_sndfiles (std::vector<std::string>              paths,
1367                             bool                                  multiple_files,
1368                             bool&                                 check_sample_rate,
1369                             Editing::ImportDisposition            disposition,
1370                             Editing::ImportMode                   mode,
1371                             samplepos_t&                          pos,
1372                             int                                   target_regions,
1373                             int                                   target_tracks,
1374                             boost::shared_ptr<ARDOUR::Track>&     track,
1375                             boost::shared_ptr<ARDOUR::PluginInfo> instrument = boost::shared_ptr<ARDOUR::PluginInfo>());
1376
1377         int add_sources (std::vector<std::string>              paths,
1378                          ARDOUR::SourceList&                   sources,
1379                          samplepos_t&                          pos,
1380                          Editing::ImportDisposition            disposition,
1381                          Editing::ImportMode                   mode,
1382                          int                                   target_regions,
1383                          int                                   target_tracks,
1384                          boost::shared_ptr<ARDOUR::Track>&     track,
1385                          bool                                  add_channel_suffix,
1386                          boost::shared_ptr<ARDOUR::PluginInfo> instrument = boost::shared_ptr<ARDOUR::PluginInfo>());
1387
1388         int finish_bringing_in_material (boost::shared_ptr<ARDOUR::Region>     region,
1389                                          uint32_t                              in_chans,
1390                                          uint32_t                              out_chans,
1391                                          samplepos_t&                          pos,
1392                                          Editing::ImportMode                   mode,
1393                                          boost::shared_ptr<ARDOUR::Track>&     existing_track,
1394                                          const std::string&                    new_track_name,
1395                                          boost::shared_ptr<ARDOUR::PluginInfo> instrument);
1396
1397         boost::shared_ptr<ARDOUR::AudioTrack> get_nth_selected_audio_track (int nth) const;
1398         boost::shared_ptr<ARDOUR::MidiTrack> get_nth_selected_midi_track (int nth) const;
1399
1400         void toggle_midi_input_active (bool flip_others);
1401
1402         ARDOUR::InterThreadInfo* current_interthread_info;
1403
1404         AnalysisWindow* analysis_window;
1405
1406         /* import & embed */
1407         void external_audio_dialog ();
1408         void session_import_dialog ();
1409
1410         /* PT import specific */
1411         void external_pt_dialog ();
1412         ARDOUR::ImportStatus import_pt_status;
1413         static void*_import_pt_thread (void*);
1414         void* import_pt_thread ();
1415         PTFFormat import_ptf;
1416
1417         /* import specific info */
1418
1419         struct EditorImportStatus : public ARDOUR::ImportStatus {
1420             Editing::ImportMode mode;
1421             samplepos_t pos;
1422             int target_tracks;
1423             int target_regions;
1424             boost::shared_ptr<ARDOUR::Track> track;
1425             bool replace;
1426         };
1427
1428         EditorImportStatus import_status;
1429         static void*_import_thread (void*);
1430         void* import_thread ();
1431         void finish_import ();
1432
1433         /* to support this ... */
1434
1435         void import_audio (bool as_tracks);
1436         void do_import (std::vector<std::string> paths, bool split, bool as_tracks);
1437         void import_smf_tempo_map (Evoral::SMF const &, samplepos_t pos);
1438         void move_to_start ();
1439         void move_to_end ();
1440         void center_playhead ();
1441         void center_edit_point ();
1442         void playhead_forward_to_grid ();
1443         void playhead_backward_to_grid ();
1444         void scroll_playhead (bool forward);
1445         void scroll_backward (float pages=0.8f);
1446         void scroll_forward (float pages=0.8f);
1447         void scroll_tracks_down ();
1448         void scroll_tracks_up ();
1449         void set_mark ();
1450         void clear_markers ();
1451         void clear_ranges ();
1452         void clear_locations ();
1453         void unhide_markers ();
1454         void unhide_ranges ();
1455         void cursor_align (bool playhead_to_edit);
1456         void toggle_skip_playback ();
1457
1458         void remove_last_capture ();
1459
1460         void tag_last_capture ();
1461         void tag_selected_region ();
1462         void tag_regions (ARDOUR::RegionList);
1463
1464         void select_all_selectables_using_time_selection ();
1465         void select_all_selectables_using_loop();
1466         void select_all_selectables_using_punch();
1467         void set_selection_from_range (ARDOUR::Location&);
1468         void set_selection_from_punch ();
1469         void set_selection_from_loop ();
1470         void set_selection_from_region ();
1471
1472         void add_location_mark (samplepos_t where);
1473         void add_location_from_region ();
1474         void add_locations_from_region ();
1475         void add_location_from_selection ();
1476         void set_loop_from_selection (bool play);
1477         void set_punch_from_selection ();
1478         void set_punch_from_region ();
1479         void set_auto_punch_range();
1480
1481         void set_session_start_from_playhead ();
1482         void set_session_end_from_playhead ();
1483         void set_session_extents_from_selection ();
1484
1485         void set_loop_from_region (bool play);
1486
1487         void set_loop_range (samplepos_t start, samplepos_t end, std::string cmd);
1488         void set_punch_range (samplepos_t start, samplepos_t end, std::string cmd);
1489
1490         void toggle_location_at_playhead_cursor ();
1491         void add_location_from_playhead_cursor ();
1492         bool do_remove_location_at_playhead_cursor ();
1493         void remove_location_at_playhead_cursor ();
1494         bool select_new_marker;
1495
1496         void reverse_selection ();
1497         void edit_envelope ();
1498
1499         double last_scrub_x;
1500         int scrubbing_direction;
1501         int scrub_reversals;
1502         int scrub_reverse_distance;
1503         void scrub (samplepos_t, double);
1504
1505         void set_punch_start_from_edit_point ();
1506         void set_punch_end_from_edit_point ();
1507         void set_loop_start_from_edit_point ();
1508         void set_loop_end_from_edit_point ();
1509
1510         void keyboard_selection_begin (Editing::EditIgnoreOption = Editing::EDIT_IGNORE_NONE);
1511         void keyboard_selection_finish (bool add, Editing::EditIgnoreOption = Editing::EDIT_IGNORE_NONE);
1512         bool have_pending_keyboard_selection;
1513         samplepos_t pending_keyboard_selection_start;
1514
1515         void move_range_selection_start_or_end_to_region_boundary (bool, bool);
1516
1517         Editing::GridType _grid_type;
1518         Editing::SnapMode _snap_mode;
1519
1520         bool ignore_gui_changes;
1521
1522         DragManager* _drags;
1523
1524         void escape ();
1525         void lock ();
1526         void unlock ();
1527         Gtk::Dialog* lock_dialog;
1528
1529         struct timeval last_event_time;
1530         bool generic_event_handler (GdkEvent*);
1531         bool lock_timeout_callback ();
1532         void start_lock_event_timing ();
1533
1534         Gtk::Menu fade_context_menu;
1535
1536         Gtk::Menu xfade_in_context_menu;
1537         Gtk::Menu xfade_out_context_menu;
1538         void popup_xfade_in_context_menu (int, int, ArdourCanvas::Item*, ItemType);
1539         void popup_xfade_out_context_menu (int, int, ArdourCanvas::Item*, ItemType);
1540         void fill_xfade_menu (Gtk::Menu_Helpers::MenuList& items, bool start);
1541
1542         void set_fade_in_shape (ARDOUR::FadeShape);
1543         void set_fade_out_shape (ARDOUR::FadeShape);
1544
1545         void set_fade_length (bool in);
1546         void set_fade_in_active (bool);
1547         void set_fade_out_active (bool);
1548
1549         void fade_range ();
1550
1551         std::set<boost::shared_ptr<ARDOUR::Playlist> > motion_frozen_playlists;
1552
1553         bool _dragging_playhead;
1554         bool _dragging_edit_point;
1555
1556         void marker_drag_motion_callback (GdkEvent*);
1557         void marker_drag_finished_callback (GdkEvent*);
1558
1559         gint mouse_rename_region (ArdourCanvas::Item*, GdkEvent*);
1560
1561         void add_region_drag (ArdourCanvas::Item*, GdkEvent*, RegionView*);
1562         void start_create_region_grab (ArdourCanvas::Item*, GdkEvent*);
1563         void add_region_copy_drag (ArdourCanvas::Item*, GdkEvent*, RegionView*);
1564         void add_region_brush_drag (ArdourCanvas::Item*, GdkEvent*, RegionView*);
1565         void start_selection_grab (ArdourCanvas::Item*, GdkEvent*);
1566
1567         void region_view_item_click (AudioRegionView&, GdkEventButton*);
1568
1569         bool can_remove_control_point (ArdourCanvas::Item*);
1570         void remove_control_point (ArdourCanvas::Item*);
1571
1572         void mouse_brush_insert_region (RegionView*, samplepos_t pos);
1573
1574         /* Canvas event handlers */
1575
1576         bool canvas_scroll_event (GdkEventScroll* event, bool from_canvas);
1577         bool canvas_control_point_event (GdkEvent* event,ArdourCanvas::Item*, ControlPoint*);
1578         bool canvas_line_event (GdkEvent* event,ArdourCanvas::Item*, AutomationLine*);
1579         bool canvas_selection_rect_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1580         bool canvas_selection_start_trim_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1581         bool canvas_selection_end_trim_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1582         bool canvas_start_xfade_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1583         bool canvas_end_xfade_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1584         bool canvas_fade_in_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1585         bool canvas_fade_in_handle_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*, bool trim = false);
1586         bool canvas_fade_out_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1587         bool canvas_fade_out_handle_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*, bool trim = false);
1588         bool canvas_region_view_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1589         bool canvas_wave_view_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1590         bool canvas_frame_handle_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1591         bool canvas_region_view_name_highlight_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1592         bool canvas_region_view_name_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1593         bool canvas_feature_line_event (GdkEvent* event, ArdourCanvas::Item*, RegionView*);
1594         bool canvas_stream_view_event (GdkEvent* event,ArdourCanvas::Item*, RouteTimeAxisView*);
1595         bool canvas_marker_event (GdkEvent* event,ArdourCanvas::Item*, ArdourMarker*);
1596         bool canvas_tempo_marker_event (GdkEvent* event,ArdourCanvas::Item*, TempoMarker*);
1597         bool canvas_tempo_curve_event (GdkEvent* event,ArdourCanvas::Item*, TempoCurve*);
1598         bool canvas_meter_marker_event (GdkEvent* event,ArdourCanvas::Item*, MeterMarker*);
1599         bool canvas_automation_track_event(GdkEvent* event, ArdourCanvas::Item*, AutomationTimeAxisView*);
1600         bool canvas_note_event (GdkEvent* event, ArdourCanvas::Item*);
1601
1602         bool canvas_ruler_event (GdkEvent* event, ArdourCanvas::Item*, ItemType);
1603         bool canvas_tempo_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1604         bool canvas_meter_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1605         bool canvas_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1606         bool canvas_range_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1607         bool canvas_transport_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1608         bool canvas_cd_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1609
1610         bool canvas_videotl_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1611         void update_video_timeline (bool flush = false);
1612         void set_video_timeline_height (const int);
1613         bool is_video_timeline_locked ();
1614         void toggle_video_timeline_locked ();
1615         void set_video_timeline_locked (const bool);
1616         void queue_visual_videotimeline_update ();
1617         void embed_audio_from_video (std::string, samplepos_t n = 0, bool lock_position_to_video = true);
1618
1619         bool track_selection_change_without_scroll () const {
1620                 return _track_selection_change_without_scroll;
1621         }
1622
1623         PBD::Signal0<void> EditorFreeze;
1624         PBD::Signal0<void> EditorThaw;
1625
1626 private:
1627         friend class DragManager;
1628         friend class EditorRouteGroups;
1629         friend class EditorRegions;
1630         friend class EditorSources;
1631
1632         /* non-public event handlers */
1633
1634         bool canvas_playhead_cursor_event (GdkEvent* event, ArdourCanvas::Item*);
1635         bool track_canvas_scroll (GdkEventScroll* event);
1636
1637         bool track_canvas_button_press_event (GdkEventButton* event);
1638         bool track_canvas_button_release_event (GdkEventButton* event);
1639         bool track_canvas_motion_notify_event (GdkEventMotion* event);
1640
1641         Gtk::Allocation _canvas_viewport_allocation;
1642         void track_canvas_viewport_allocate (Gtk::Allocation alloc);
1643         void track_canvas_viewport_size_allocated ();
1644         bool track_canvas_drag_motion (Glib::RefPtr<Gdk::DragContext> const &, int, int, guint);
1645         bool track_canvas_key_press (GdkEventKey*);
1646         bool track_canvas_key_release (GdkEventKey*);
1647
1648         void set_playhead_cursor ();
1649
1650         void toggle_region_mute ();
1651
1652         void initialize_canvas ();
1653
1654         /* display control */
1655
1656         /// true if the editor should follow the playhead, otherwise false
1657         bool _follow_playhead;
1658         /// true if we scroll the tracks rather than the playhead
1659         bool _stationary_playhead;
1660         /// true if we are in fullscreen mode
1661         bool _maximised;
1662
1663         std::vector<ArdourCanvas::Ruler::Mark> grid_marks;
1664         GridLines* grid_lines;
1665
1666         ArdourCanvas::Container* global_rect_group;
1667         ArdourCanvas::Container* time_line_group;
1668
1669         void hide_grid_lines ();
1670         void maybe_draw_grid_lines ();
1671
1672         void new_tempo_section ();
1673
1674         void remove_tempo_marker (ArdourCanvas::Item*);
1675         void remove_meter_marker (ArdourCanvas::Item*);
1676         gint real_remove_tempo_marker (ARDOUR::TempoSection*);
1677         gint real_remove_meter_marker (ARDOUR::MeterSection*);
1678
1679         void edit_tempo_marker (TempoMarker&);
1680         void edit_meter_marker (MeterMarker&);
1681         void edit_control_point (ArdourCanvas::Item*);
1682         void edit_notes (MidiRegionView*);
1683         void edit_region (RegionView*);
1684
1685         void edit_current_meter ();
1686         void edit_current_tempo ();
1687
1688         void marker_menu_edit ();
1689         void marker_menu_remove ();
1690         void marker_menu_rename ();
1691         void rename_marker (ArdourMarker* marker);
1692         void toggle_marker_lock_style ();
1693         void toggle_tempo_clamped ();
1694         void toggle_tempo_type ();
1695         void ramp_to_next_tempo ();
1696         void toggle_marker_menu_lock ();
1697         void toggle_marker_menu_glue ();
1698         void marker_menu_hide ();
1699         void marker_menu_set_origin ();
1700         void marker_menu_loop_range ();
1701         void marker_menu_select_all_selectables_using_range ();
1702         void marker_menu_select_using_range ();
1703         void marker_menu_separate_regions_using_location ();
1704         void marker_menu_play_from ();
1705         void marker_menu_play_range ();
1706         void marker_menu_set_playhead ();
1707         void marker_menu_set_from_playhead ();
1708         void marker_menu_set_from_selection (bool force_regions);
1709         void marker_menu_range_to_next ();
1710         void marker_menu_zoom_to_range ();
1711         void new_transport_marker_menu_set_loop ();
1712         void new_transport_marker_menu_set_punch ();
1713         void update_loop_range_view ();
1714         void update_punch_range_view ();
1715         void new_transport_marker_menu_popdown ();
1716         void marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1717         void tempo_or_meter_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1718         void new_transport_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1719         void build_range_marker_menu (ARDOUR::Location*, bool, bool);
1720         void build_marker_menu (ARDOUR::Location*);
1721         void build_tempo_marker_menu (TempoMarker*, bool);
1722         void build_meter_marker_menu (MeterMarker*, bool);
1723         void build_new_transport_marker_menu ();
1724
1725         void dynamic_cast_marker_object (void*, MeterMarker**, TempoMarker**) const;
1726
1727         Gtk::Menu* tempo_marker_menu;
1728         Gtk::Menu* meter_marker_menu;
1729         Gtk::Menu* marker_menu;
1730         Gtk::Menu* range_marker_menu;
1731         Gtk::Menu* new_transport_marker_menu;
1732         ArdourCanvas::Item* marker_menu_item;
1733
1734         typedef std::list<ArdourMarker*> Marks;
1735         Marks metric_marks;
1736
1737         typedef std::list<TempoCurve*> Curves;
1738         Curves tempo_curves;
1739
1740         void remove_metric_marks ();
1741         void draw_metric_marks (const ARDOUR::Metrics& metrics);
1742
1743         void compute_current_bbt_points (std::vector<ARDOUR::TempoMap::BBTPoint>& grid, samplepos_t left, samplepos_t right);
1744
1745         void tempo_map_changed (const PBD::PropertyChange&);
1746         void tempometric_position_changed (const PBD::PropertyChange&);
1747
1748         void redisplay_grid (bool immediate_redraw);
1749
1750         uint32_t bbt_beat_subdivision;
1751
1752         /* toolbar */
1753
1754         Gtk::ToggleButton editor_mixer_button;
1755         Gtk::ToggleButton editor_list_button;
1756         void editor_mixer_button_toggled ();
1757         void editor_list_button_toggled ();
1758
1759         ArdourWidgets::ArdourButton   zoom_in_button;
1760         ArdourWidgets::ArdourButton   zoom_out_button;
1761         ArdourWidgets::ArdourButton   zoom_out_full_button;
1762
1763         ArdourWidgets::ArdourButton   tav_expand_button;
1764         ArdourWidgets::ArdourButton   tav_shrink_button;
1765         ArdourWidgets::ArdourDropdown visible_tracks_selector;
1766         ArdourWidgets::ArdourDropdown zoom_preset_selector;
1767
1768         int32_t                   _visible_track_count;
1769         void build_track_count_menu ();
1770         void set_visible_track_count (int32_t);
1771
1772         void set_zoom_preset(int64_t);
1773
1774         Gtk::VBox                toolbar_clock_vbox;
1775         Gtk::VBox                toolbar_selection_clock_vbox;
1776         Gtk::Table               toolbar_selection_clock_table;
1777         Gtk::Label               toolbar_selection_cursor_label;
1778
1779         ArdourWidgets::ArdourButton mouse_select_button;
1780         ArdourWidgets::ArdourButton mouse_draw_button;
1781         ArdourWidgets::ArdourButton mouse_move_button;
1782         ArdourWidgets::ArdourButton mouse_timefx_button;
1783         ArdourWidgets::ArdourButton mouse_content_button;
1784         ArdourWidgets::ArdourButton mouse_audition_button;
1785         ArdourWidgets::ArdourButton mouse_cut_button;
1786
1787         ArdourWidgets::ArdourButton smart_mode_button;
1788         Glib::RefPtr<Gtk::ToggleAction> smart_mode_action;
1789
1790         void                     mouse_mode_toggled (Editing::MouseMode m);
1791         void                     mouse_mode_object_range_toggled ();
1792         bool                     ignore_mouse_mode_toggle;
1793
1794         bool                     mouse_select_button_release (GdkEventButton*);
1795
1796         Glib::RefPtr<Gtk::Action> get_mouse_mode_action (Editing::MouseMode m) const;
1797
1798         Gtk::VBox                automation_box;
1799         Gtk::Button              automation_mode_button;
1800
1801         //edit mode menu stuff
1802         ArdourWidgets::ArdourDropdown   edit_mode_selector;
1803         void edit_mode_selection_done (ARDOUR::EditMode);
1804         void build_edit_mode_menu ();
1805         Gtk::VBox edit_mode_box;
1806
1807         void set_edit_mode (ARDOUR::EditMode);
1808         void cycle_edit_mode ();
1809
1810         ArdourWidgets::ArdourDropdown grid_type_selector;
1811         void build_grid_type_menu ();
1812
1813         ArdourWidgets::ArdourButton snap_mode_button;
1814         bool snap_mode_button_clicked (GdkEventButton*);
1815
1816         Gtk::HBox snap_box;
1817
1818         Gtk::HBox ebox_hpacker;
1819         Gtk::VBox ebox_vpacker;
1820
1821         Gtk::HBox _box;
1822
1823         std::vector<std::string> grid_type_strings;
1824         std::vector<std::string> snap_mode_strings;
1825
1826         void grid_type_selection_done (Editing::GridType);
1827         void snap_mode_selection_done (Editing::SnapMode);
1828         void snap_mode_chosen (Editing::SnapMode);
1829         void grid_type_chosen (Editing::GridType);
1830
1831         Glib::RefPtr<Gtk::RadioAction> grid_type_action (Editing::GridType);
1832         Glib::RefPtr<Gtk::RadioAction> snap_mode_action (Editing::SnapMode);
1833
1834         //zoom focus meu stuff
1835         ArdourWidgets::ArdourDropdown   zoom_focus_selector;
1836         void zoom_focus_selection_done (Editing::ZoomFocus);
1837         void build_zoom_focus_menu ();
1838         std::vector<std::string> zoom_focus_strings;
1839
1840         void zoom_focus_chosen (Editing::ZoomFocus);
1841
1842         Glib::RefPtr<Gtk::RadioAction> zoom_focus_action (Editing::ZoomFocus);
1843
1844         Gtk::HBox _track_box;
1845
1846         Gtk::HBox _zoom_box;
1847         void zoom_adjustment_changed();
1848
1849         void setup_toolbar ();
1850
1851         void setup_tooltips ();
1852
1853         Gtk::HBox toolbar_hbox;
1854
1855         void setup_midi_toolbar ();
1856
1857         /* selection process */
1858
1859         Selection* selection;
1860         Selection* cut_buffer;
1861         SelectionMemento* _selection_memento;
1862
1863         void time_selection_changed ();
1864         void track_selection_changed ();
1865         void update_time_selection_display ();
1866         void presentation_info_changed (PBD::PropertyChange const &);
1867         void region_selection_changed ();
1868         sigc::connection editor_regions_selection_changed_connection;
1869         void sensitize_all_region_actions (bool);
1870         void sensitize_the_right_region_actions (bool because_canvas_crossing);
1871         bool _all_region_actions_sensitized;
1872         /** Flag to block region action handlers from doing what they normally do;
1873          *  I tried Gtk::Action::block_activate() but this doesn't work (ie it doesn't
1874          *  block) when setting a ToggleAction's active state.
1875          */
1876         bool _ignore_region_action;
1877         bool _last_region_menu_was_main;
1878         void point_selection_changed ();
1879         void marker_selection_changed ();
1880
1881         bool _track_selection_change_without_scroll;
1882         bool _editor_track_selection_change_without_scroll;
1883
1884         void cancel_selection ();
1885         void cancel_time_selection ();
1886
1887         bool get_smart_mode() const;
1888
1889         bool audio_region_selection_covers (samplepos_t where);
1890
1891         /* transport range select process */
1892
1893         ArdourCanvas::Rectangle* cd_marker_bar_drag_rect;
1894         ArdourCanvas::Rectangle* range_bar_drag_rect;
1895         ArdourCanvas::Rectangle* transport_bar_drag_rect;
1896         ArdourCanvas::Rectangle* transport_bar_range_rect;
1897         ArdourCanvas::Rectangle* transport_bar_preroll_rect;
1898         ArdourCanvas::Rectangle* transport_bar_postroll_rect;
1899         ArdourCanvas::Rectangle* transport_loop_range_rect;
1900         ArdourCanvas::Rectangle* transport_punch_range_rect;
1901         ArdourCanvas::Line*      transport_punchin_line;
1902         ArdourCanvas::Line*      transport_punchout_line;
1903         ArdourCanvas::Rectangle* transport_preroll_rect;
1904         ArdourCanvas::Rectangle* transport_postroll_rect;
1905
1906         ARDOUR::Location* transport_loop_location();
1907         ARDOUR::Location* transport_punch_location();
1908
1909         ARDOUR::Location* temp_location;
1910
1911         /* object rubberband select process */
1912
1913         void select_all_within (samplepos_t, samplepos_t, double, double, TrackViewList const &, Selection::Operation, bool);
1914
1915         ArdourCanvas::Rectangle* rubberband_rect;
1916
1917         EditorRouteGroups* _route_groups;
1918         EditorRoutes*      _routes;
1919         EditorRegions*     _regions;
1920         EditorSources*     _sources;
1921         EditorSnapshots*   _snapshots;
1922         EditorLocations*   _locations;
1923
1924         /* diskstream/route display management */
1925         Glib::RefPtr<Gdk::Pixbuf> rec_enabled_icon;
1926         Glib::RefPtr<Gdk::Pixbuf> rec_disabled_icon;
1927
1928         Glib::RefPtr<Gtk::TreeSelection> route_display_selection;
1929
1930         bool sync_track_view_list_and_routes ();
1931
1932         Gtk::VBox list_vpacker;
1933
1934         /* autoscrolling */
1935
1936         sigc::connection autoscroll_connection;
1937         bool autoscroll_horizontal_allowed;
1938         bool autoscroll_vertical_allowed;
1939         uint32_t autoscroll_cnt;
1940         Gtk::Widget* autoscroll_widget;
1941         ArdourCanvas::Rect autoscroll_boundary;
1942
1943         bool autoscroll_canvas ();
1944         void start_canvas_autoscroll (bool allow_horiz, bool allow_vert, const ArdourCanvas::Rect& boundary);
1945         void stop_canvas_autoscroll ();
1946
1947         /* trimming */
1948         void point_trim (GdkEvent*, samplepos_t);
1949
1950         void trim_region_front();
1951         void trim_region_back();
1952         void trim_region (bool front);
1953
1954         void trim_region_to_loop ();
1955         void trim_region_to_punch ();
1956         void trim_region_to_location (const ARDOUR::Location&, const char* cmd);
1957
1958         void trim_to_region(bool forward);
1959         void trim_region_to_previous_region_end();
1960         void trim_region_to_next_region_start();
1961
1962         bool show_gain_after_trim;
1963
1964         /* Drag-n-Drop */
1965
1966         int convert_drop_to_paths (
1967                 std::vector<std::string>&           paths,
1968                 const Glib::RefPtr<Gdk::DragContext>& context,
1969                 gint                                  x,
1970                 gint                                  y,
1971                 const Gtk::SelectionData&             data,
1972                 guint                                 info,
1973                 guint                                 time);
1974
1975         void track_canvas_drag_data_received (
1976                 const Glib::RefPtr<Gdk::DragContext>& context,
1977                 gint                                  x,
1978                 gint                                  y,
1979                 const Gtk::SelectionData&             data,
1980                 guint                                 info,
1981                 guint                                 time);
1982
1983         void drop_paths (
1984                 const Glib::RefPtr<Gdk::DragContext>& context,
1985                 gint                                  x,
1986                 gint                                  y,
1987                 const Gtk::SelectionData&             data,
1988                 guint                                 info,
1989                 guint                                 time);
1990
1991         void drop_regions (
1992                 const Glib::RefPtr<Gdk::DragContext>& context,
1993                 gint                                  x,
1994                 gint                                  y,
1995                 const Gtk::SelectionData&             data,
1996                 guint                                 info,
1997                 guint                                 time,
1998                 bool                                  from_region_list);
1999
2000         void drop_routes (
2001                 const Glib::RefPtr<Gdk::DragContext>& context,
2002                 gint                x,
2003                 gint                y,
2004                 const Gtk::SelectionData& data,
2005                 guint               info,
2006                 guint               time);
2007
2008         /* audio export */
2009
2010         int  write_region_selection(RegionSelection&);
2011         bool write_region (std::string path, boost::shared_ptr<ARDOUR::AudioRegion>);
2012         void bounce_region_selection (bool with_processing);
2013         void bounce_range_selection (bool replace, bool enable_processing);
2014         void external_edit_region ();
2015
2016         int write_audio_selection (TimeSelection&);
2017         bool write_audio_range (ARDOUR::AudioPlaylist&, const ARDOUR::ChanCount& channels, std::list<ARDOUR::AudioRange>&);
2018
2019         void write_selection ();
2020
2021         uint32_t selection_op_cmd_depth;
2022         uint32_t selection_op_history_it;
2023
2024         std::list<XMLNode*> selection_op_history; /* used in *_reversible_selection_op */
2025         std::list<XMLNode*> before; /* used in *_reversible_command */
2026
2027         void update_title ();
2028         void update_title_s (const std::string & snapshot_name);
2029
2030         void instant_save ();
2031         bool no_save_instant;
2032
2033         boost::shared_ptr<ARDOUR::AudioRegion> last_audition_region;
2034
2035         /* freeze operations */
2036
2037         ARDOUR::InterThreadInfo freeze_status;
2038         static void* _freeze_thread (void*);
2039         void* freeze_thread ();
2040
2041         void freeze_route ();
2042         void unfreeze_route ();
2043
2044         /* duplication */
2045
2046         void duplicate_range (bool with_dialog);
2047         void duplicate_regions (float times);
2048
2049         /** computes the timeline sample (sample) of an event whose coordinates
2050          * are in canvas units (pixels, scroll offset included).
2051          */
2052         samplepos_t canvas_event_sample (GdkEvent const*, double* px = 0, double* py = 0) const;
2053
2054         /** computes the timeline sample (sample) of an event whose coordinates
2055          * are in window units (pixels, no scroll offset).
2056          */
2057         samplepos_t window_event_sample (GdkEvent const*, double* px = 0, double* py = 0) const;
2058
2059         /* returns false if mouse pointer is not in track or marker canvas
2060          */
2061         bool mouse_sample (samplepos_t&, bool& in_track_canvas) const;
2062
2063         TimeFXDialog* current_timefx;
2064         static void* timefx_thread (void* arg);
2065         void do_timefx ();
2066
2067         int time_stretch (RegionSelection&, float fraction);
2068         int pitch_shift (RegionSelection&, float cents);
2069         void pitch_shift_region ();
2070
2071         /* editor-mixer strip */
2072
2073         MixerStrip *current_mixer_strip;
2074         bool show_editor_mixer_when_tracks_arrive;
2075         Gtk::VBox current_mixer_strip_vbox;
2076         void cms_new (boost::shared_ptr<ARDOUR::Route>);
2077         void current_mixer_strip_hidden ();
2078
2079 #ifdef __APPLE__
2080         void ensure_all_elements_drawn ();
2081 #endif
2082         /* nudging tracks */
2083
2084         void nudge_track (bool use_edit_point, bool forwards);
2085
2086         static const int32_t default_width = 995;
2087         static const int32_t default_height = 765;
2088
2089         /* nudge */
2090
2091         ArdourWidgets::ArdourButton      nudge_forward_button;
2092         ArdourWidgets::ArdourButton      nudge_backward_button;
2093         Gtk::HBox        nudge_hbox;
2094         Gtk::VBox        nudge_vbox;
2095         AudioClock*       nudge_clock;
2096
2097         bool nudge_forward_release (GdkEventButton*);
2098         bool nudge_backward_release (GdkEventButton*);
2099
2100         /* audio filters */
2101
2102         void apply_filter (ARDOUR::Filter&, std::string cmd, ProgressReporter* progress = 0);
2103
2104         Command* apply_midi_note_edit_op_to_region (ARDOUR::MidiOperator& op, MidiRegionView& mrv);
2105         void apply_midi_note_edit_op (ARDOUR::MidiOperator& op, const RegionSelection& rs);
2106
2107         /* handling cleanup */
2108
2109         int playlist_deletion_dialog (boost::shared_ptr<ARDOUR::Playlist>);
2110
2111         PBD::ScopedConnectionList session_connections;
2112
2113         /* tracking step changes of track height */
2114
2115         TimeAxisView* current_stepping_trackview;
2116         ARDOUR::microseconds_t last_track_height_step_timestamp;
2117         gint track_height_step_timeout();
2118         sigc::connection step_timeout;
2119
2120         TimeAxisView* entered_track;
2121         /** If the mouse is over a RegionView or one of its child canvas items, this is set up
2122             to point to the RegionView.  Otherwise it is 0.
2123         */
2124         RegionView*   entered_regionview;
2125
2126         std::vector<EnterContext> _enter_stack;
2127
2128         bool clear_entered_track;
2129         bool left_track_canvas (GdkEventCrossing*);
2130         bool entered_track_canvas (GdkEventCrossing*);
2131         void set_entered_track (TimeAxisView*);
2132         void set_entered_regionview (RegionView*);
2133         gint left_automation_track ();
2134
2135         void reset_canvas_action_sensitivity (bool);
2136         void set_gain_envelope_visibility ();
2137         void set_region_gain_visibility (RegionView*);
2138         void toggle_gain_envelope_active ();
2139         void reset_region_gain_envelopes ();
2140
2141         void session_state_saved (std::string);
2142
2143         Glib::RefPtr<Gtk::Action>              undo_action;
2144         Glib::RefPtr<Gtk::Action>              redo_action;
2145         Glib::RefPtr<Gtk::Action>              alternate_redo_action;
2146         Glib::RefPtr<Gtk::Action>              alternate_alternate_redo_action;
2147         Glib::RefPtr<Gtk::Action>              selection_undo_action;
2148         Glib::RefPtr<Gtk::Action>              selection_redo_action;
2149
2150         void history_changed ();
2151
2152         Editing::EditPoint _edit_point;
2153
2154         ArdourWidgets::ArdourDropdown edit_point_selector;
2155         void build_edit_point_menu();
2156
2157         void set_edit_point_preference (Editing::EditPoint ep, bool force = false);
2158         void cycle_edit_point (bool with_marker);
2159         void set_edit_point ();
2160         void edit_point_selection_done (Editing::EditPoint);
2161         void edit_point_chosen (Editing::EditPoint);
2162         Glib::RefPtr<Gtk::RadioAction> edit_point_action (Editing::EditPoint);
2163         std::vector<std::string> edit_point_strings;
2164         std::vector<std::string> edit_mode_strings;
2165
2166         void selected_marker_moved (ARDOUR::Location*);
2167
2168         bool get_edit_op_range (samplepos_t& start, samplepos_t& end) const;
2169
2170         void get_regions_at (RegionSelection&, samplepos_t where, const TrackViewList& ts) const;
2171         void get_regions_after (RegionSelection&, samplepos_t where, const TrackViewList& ts) const;
2172
2173         RegionSelection get_regions_from_selection_and_edit_point (Editing::EditIgnoreOption = Editing::EDIT_IGNORE_NONE,
2174                                                                    bool use_context_click = false,
2175                                                                    bool from_outside_canvas = false);
2176         RegionSelection get_regions_from_selection_and_entered () const;
2177
2178         void start_updating_meters ();
2179         void stop_updating_meters ();
2180         bool meters_running;
2181
2182         void select_next_stripable (bool routes_only = true);
2183         void select_prev_stripable (bool routes_only = true);
2184
2185         ARDOUR::MusicSample snap_to_minsec (ARDOUR::MusicSample start,
2186                                             ARDOUR::RoundMode   direction,
2187                                             ARDOUR::SnapPref    gpref);
2188
2189         ARDOUR::MusicSample snap_to_cd_frames (ARDOUR::MusicSample start,
2190                                                ARDOUR::RoundMode   direction,
2191                                                ARDOUR::SnapPref    gpref);
2192
2193         ARDOUR::MusicSample snap_to_bbt (ARDOUR::MusicSample start,
2194                                          ARDOUR::RoundMode   direction,
2195                                          ARDOUR::SnapPref    gpref);
2196
2197         ARDOUR::MusicSample snap_to_timecode (ARDOUR::MusicSample start,
2198                                               ARDOUR::RoundMode   direction,
2199                                               ARDOUR::SnapPref    gpref);
2200
2201         ARDOUR::MusicSample snap_to_grid (ARDOUR::MusicSample start,
2202                                           ARDOUR::RoundMode   direction,
2203                                           ARDOUR::SnapPref    gpref);
2204
2205         void snap_to_internal (ARDOUR::MusicSample& first,
2206                                ARDOUR::RoundMode    direction = ARDOUR::RoundNearest,
2207                                ARDOUR::SnapPref     gpref = ARDOUR::SnapToAny_Visual,
2208                                bool                 ensure_snap = false);
2209
2210         samplepos_t snap_to_marker (samplepos_t       presnap,
2211                                     ARDOUR::RoundMode direction = ARDOUR::RoundNearest);
2212
2213         RhythmFerret* rhythm_ferret;
2214
2215         void fit_tracks (TrackViewList &);
2216         void fit_selection ();
2217         void set_track_height (Height);
2218
2219         void _remove_tracks ();
2220         bool idle_remove_tracks ();
2221         void toggle_tracks_active ();
2222
2223         bool _have_idled;
2224         int resize_idle_id;
2225         static gboolean _idle_resize (gpointer);
2226         bool idle_resize();
2227         int32_t _pending_resize_amount;
2228         TimeAxisView* _pending_resize_view;
2229
2230         void visible_order_range (int*, int*) const;
2231
2232         void located ();
2233
2234         /** true if we've made a locate request that hasn't yet been processed */
2235         bool _pending_locate_request;
2236
2237         /** if true, there is a pending Session locate which is the initial one when loading a session;
2238             we need to know this so that we don't (necessarily) set the viewport to show the playhead
2239             initially.
2240         */
2241         bool _pending_initial_locate;
2242
2243         Gtk::HBox _summary_hbox;
2244         EditorSummary* _summary;
2245
2246         void region_view_added (RegionView*);
2247         void region_view_removed ();
2248
2249         EditorGroupTabs* _group_tabs;
2250         void fit_route_group (ARDOUR::RouteGroup*);
2251
2252         void step_edit_status_change (bool);
2253         void start_step_editing ();
2254         void stop_step_editing ();
2255         bool check_step_edit ();
2256         sigc::connection step_edit_connection;
2257
2258         double _last_motion_y;
2259
2260         RegionLayeringOrderEditor* layering_order_editor;
2261         void update_region_layering_order_editor ();
2262
2263         /** Track that was the source for the last cut/copy operation.  Used as a place
2264             to paste things iff there is no selected track.
2265         */
2266         TimeAxisView* _last_cut_copy_source_track;
2267
2268         /** true if a change in Selection->regions should change the selection in the region list.
2269             See EditorRegions::selection_changed.
2270         */
2271         bool _region_selection_change_updates_region_list;
2272
2273         void setup_fade_images ();
2274         std::map<ARDOUR::FadeShape, Gtk::Image*> _xfade_in_images;
2275         std::map<ARDOUR::FadeShape, Gtk::Image*> _xfade_out_images;
2276
2277         Gtk::MenuItem& action_menu_item (std::string const &);
2278         void action_pre_activated (Glib::RefPtr<Gtk::Action> const &);
2279
2280         MouseCursors* _cursors;
2281
2282         void follow_mixer_selection ();
2283         bool _following_mixer_selection;
2284
2285         int time_fx (ARDOUR::RegionList&, float val, bool pitching);
2286         void note_edit_done (int, EditNoteDialog*);
2287         void toggle_sound_midi_notes ();
2288
2289         /** Flag for a bit of a hack wrt control point selection; see set_selected_control_point_from_click */
2290         bool _control_point_toggled_on_press;
2291
2292         /** This is used by TimeAxisView to keep a track of the TimeAxisView that is currently being
2293             stepped in height using ScrollZoomVerticalModifier+Scrollwheel.  When a scroll event
2294             occurs, we do the step on this _stepping_axis_view if it is non-0 (and we set up this
2295             _stepping_axis_view with the TimeAxisView underneath the mouse if it is 0).  Then Editor
2296             resets _stepping_axis_view when the modifier key is released.  In this (hacky) way,
2297             pushing the modifier key and moving the scroll wheel will operate on the same track
2298             until the key is released (rather than skipping about to whatever happens to be
2299             underneath the mouse at the time).
2300         */
2301         TimeAxisView* _stepping_axis_view;
2302         void zoom_vertical_modifier_released();
2303
2304         void bring_in_callback (Gtk::Label*, uint32_t n, uint32_t total, std::string name);
2305         void update_bring_in_message (Gtk::Label* label, uint32_t n, uint32_t total, std::string name);
2306         void bring_all_sources_into_session ();
2307
2308         QuantizeDialog* quantize_dialog;
2309         MainMenuDisabler* _main_menu_disabler;
2310
2311         /* private helper functions to help with registering region actions */
2312
2313         Glib::RefPtr<Gtk::Action> register_region_action (Glib::RefPtr<Gtk::ActionGroup> group, Editing::RegionActionTarget, char const* name, char const* label, sigc::slot<void> slot);
2314         void register_toggle_region_action (Glib::RefPtr<Gtk::ActionGroup> group, Editing::RegionActionTarget, char const* name, char const* label, sigc::slot<void> slot);
2315
2316         Glib::RefPtr<Gtk::Action> reg_sens (Glib::RefPtr<Gtk::ActionGroup> group, char const* name, char const* label, sigc::slot<void> slot);
2317         void toggle_reg_sens (Glib::RefPtr<Gtk::ActionGroup> group, char const* name, char const* label, sigc::slot<void> slot);
2318         void radio_reg_sens (Glib::RefPtr<Gtk::ActionGroup> action_group, Gtk::RadioAction::Group& radio_group, char const* name, char const* label, sigc::slot<void> slot);
2319
2320         friend class Drag;
2321         friend class RegionCutDrag;
2322         friend class RegionDrag;
2323         friend class RegionMoveDrag;
2324         friend class RegionSpliceDrag;
2325         friend class RegionRippleDrag;
2326         friend class TrimDrag;
2327         friend class BBTRulerDrag;
2328         friend class MeterMarkerDrag;
2329         friend class TempoMarkerDrag;
2330         friend class CursorDrag;
2331         friend class FadeInDrag;
2332         friend class FadeOutDrag;
2333         friend class MarkerDrag;
2334         friend class RegionGainDrag;
2335         friend class ControlPointDrag;
2336         friend class LineDrag;
2337         friend class RubberbandSelectDrag;
2338         friend class EditorRubberbandSelectDrag;
2339         friend class TimeFXDrag;
2340         friend class ScrubDrag;
2341         friend class SelectionDrag;
2342         friend class RangeMarkerBarDrag;
2343         friend class MouseZoomDrag;
2344         friend class RegionCreateDrag;
2345         friend class RegionMotionDrag;
2346         friend class RegionInsertDrag;
2347         friend class VideoTimeLineDrag;
2348
2349         friend class EditorSummary;
2350         friend class EditorGroupTabs;
2351
2352         friend class EditorRoutes;
2353         friend class RhythmFerret;
2354 };
2355
2356 #endif /* __ardour_editor_h__ */