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         bool drag_active () const;
 497         bool preview_video_drag_active () const;
 498
 499         void maybe_autoscroll (bool, bool, bool);
 500         bool autoscroll_active() const;
 501
 502         Gdk::Cursor* get_canvas_cursor () const;
 503
 504         void set_current_trimmable (boost::shared_ptr<ARDOUR::Trimmable>);
 505         void set_current_movable (boost::shared_ptr<ARDOUR::Movable>);
 506
 507         MouseCursors const* cursors () const {
 508                 return _cursors;
 509         }
 510
 511         VerboseCursor* verbose_cursor () const {
 512                 return _verbose_cursor;
 513         }
 514
 515         double clamp_verbose_cursor_x (double);
 516         double clamp_verbose_cursor_y (double);
 517
 518         void get_pointer_position (double &, double &) const;
 519
 520         /** Context for mouse entry (stored in a stack). */
 521         struct EnterContext {
 522                 ItemType                         item_type;
 523                 boost::shared_ptr<CursorContext> cursor_ctx;
 524         };
 525
 526         /** Get the topmost enter context for the given item type.
 527          *
 528          * This is used to change the cursor associated with a given enter context,
 529          * which may not be on the top of the stack.
 530          */
 531         EnterContext* get_enter_context(ItemType type);
 532
 533         TimeAxisView* stepping_axis_view () {
 534                 return _stepping_axis_view;
 535         }
 536
 537         void set_stepping_axis_view (TimeAxisView* v) {
 538                 _stepping_axis_view = v;
 539         }
 540
 541         ArdourCanvas::Container* get_trackview_group () const { return _trackview_group; }
 542         ArdourCanvas::Container* get_noscroll_group () const { return no_scroll_group; }
 543         ArdourCanvas::ScrollGroup* get_hscroll_group () const { return h_scroll_group; }
 544         ArdourCanvas::ScrollGroup* get_hvscroll_group () const { return hv_scroll_group; }
 545         ArdourCanvas::ScrollGroup* get_cursor_scroll_group () const { return cursor_scroll_group; }
 546         ArdourCanvas::Container* get_drag_motion_group () const { return _drag_motion_group; }
 547
 548         ArdourCanvas::GtkCanvasViewport* get_track_canvas () const;
 549
 550         void override_visible_track_count ();
 551
 552         /* Ruler metrics methods */
 553
 554         void metric_get_timecode (std::vector<ArdourCanvas::Ruler::Mark>&, gdouble, gdouble, gint);
 555         void metric_get_bbt (std::vector<ArdourCanvas::Ruler::Mark>&, gdouble, gdouble, gint);
 556         void metric_get_samples (std::vector<ArdourCanvas::Ruler::Mark>&, gdouble, gdouble, gint);
 557         void metric_get_minsec (std::vector<ArdourCanvas::Ruler::Mark>&, gdouble, gdouble, gint);
 558
 559         /* editing operations that need to be public */
 560         void mouse_add_new_marker (samplepos_t where, bool is_cd=false);
 561         void split_regions_at (ARDOUR::MusicSample, RegionSelection&);
 562         void split_region_at_points (boost::shared_ptr<ARDOUR::Region>, ARDOUR::AnalysisFeatureList&, bool can_ferret, bool select_new = false);
 563         RegionSelection get_regions_from_selection_and_mouse (samplepos_t);
 564
 565         void mouse_add_new_tempo_event (samplepos_t where);
 566         void mouse_add_new_meter_event (samplepos_t where);
 567         void edit_tempo_section (ARDOUR::TempoSection*);
 568         void edit_meter_section (ARDOUR::MeterSection*);
 569
 570 protected:
 571         void map_transport_state ();
 572         void map_position_change (samplepos_t);
 573         void transport_looped ();
 574
 575         void on_realize();
 576
 577         void suspend_route_redisplay ();
 578         void resume_route_redisplay ();
 579
 580 private:
 581
 582         void color_handler ();
 583
 584         bool                 constructed;
 585
 586         // to keep track of the playhead position for control_scroll
 587         boost::optional<samplepos_t> _control_scroll_target;
 588
 589         PlaylistSelector* _playlist_selector;
 590
 591         TimeInfoBox*      _time_info_box;
 592
 593         typedef std::pair<TimeAxisView*,XMLNode*> TAVState;
 594
 595         struct VisualState {
 596                 VisualState (bool with_tracks);
 597                 ~VisualState ();
 598                 double              y_position;
 599                 samplecnt_t         samples_per_pixel;
 600                 samplepos_t        _leftmost_sample;
 601                 Editing::ZoomFocus  zoom_focus;
 602                 GUIObjectState*     gui_state;
 603         };
 604
 605         std::list<VisualState*> undo_visual_stack;
 606         std::list<VisualState*> redo_visual_stack;
 607         VisualState* current_visual_state (bool with_tracks = true);
 608         void undo_visual_state ();
 609         void redo_visual_state ();
 610         void use_visual_state (VisualState&);
 611         bool no_save_visual;
 612         void swap_visual_state ();
 613
 614         std::vector<VisualState*> visual_states;
 615         void start_visual_state_op (uint32_t n);
 616         void cancel_visual_state_op (uint32_t n);
 617
 618         samplepos_t       _leftmost_sample;
 619         samplecnt_t        samples_per_pixel;
 620         Editing::ZoomFocus zoom_focus;
 621
 622         void set_samples_per_pixel (samplecnt_t);
 623         void on_samples_per_pixel_changed ();
 624
 625         Editing::MouseMode mouse_mode;
 626         Editing::GridType  pre_internal_grid_type;
 627         Editing::SnapMode  pre_internal_snap_mode;
 628         Editing::GridType  internal_grid_type;
 629         Editing::SnapMode  internal_snap_mode;
 630         Editing::MouseMode effective_mouse_mode () const;
 631
 632         enum JoinObjectRangeState {
 633                 JOIN_OBJECT_RANGE_NONE,
 634                 /** `join object/range' mode is active and the mouse is over a place where object mode should happen */
 635                 JOIN_OBJECT_RANGE_OBJECT,
 636                 /** `join object/range' mode is active and the mouse is over a place where range mode should happen */
 637                 JOIN_OBJECT_RANGE_RANGE
 638         };
 639
 640         JoinObjectRangeState _join_object_range_state;
 641
 642         void update_join_object_range_location (double);
 643
 644         boost::optional<float>  pre_notebook_shrink_pane_width;
 645
 646         Gtk::VBox _editor_list_vbox;
 647         Gtk::Notebook _the_notebook;
 648         bool _notebook_shrunk;
 649         void add_notebook_page (std::string const&, Gtk::Widget&);
 650         bool notebook_tab_clicked (GdkEventButton*, Gtk::Widget*);
 651
 652         ArdourWidgets::HPane edit_pane;
 653         ArdourWidgets::VPane editor_summary_pane;
 654
 655         Gtk::EventBox meter_base;
 656         Gtk::EventBox marker_base;
 657         Gtk::HBox     marker_box;
 658         Gtk::VBox     scrollers_rulers_markers_box;
 659
 660         void location_changed (ARDOUR::Location*);
 661         void location_flags_changed (ARDOUR::Location*);
 662         void refresh_location_display ();
 663         void refresh_location_display_internal (const ARDOUR::Locations::LocationList&);
 664         void add_new_location (ARDOUR::Location*);
 665         ArdourCanvas::Container* add_new_location_internal (ARDOUR::Location*);
 666         void location_gone (ARDOUR::Location*);
 667         void remove_marker (ArdourCanvas::Item&, GdkEvent*);
 668         gint really_remove_marker (ARDOUR::Location* loc);
 669         void goto_nth_marker (int nth);
 670         void trigger_script (int nth);
 671         void trigger_script_by_name (const std::string script_name);
 672         void toggle_marker_lines ();
 673         void set_marker_line_visibility (bool);
 674
 675         void jump_forward_to_mark ();
 676         void jump_backward_to_mark ();
 677
 678         uint32_t location_marker_color;
 679         uint32_t location_range_color;
 680         uint32_t location_loop_color;
 681         uint32_t location_punch_color;
 682         uint32_t location_cd_marker_color;
 683
 684         struct LocationMarkers {
 685                 ArdourMarker* start;
 686                 ArdourMarker* end;
 687                 bool    valid;
 688
 689                 LocationMarkers () : start(0), end(0), valid (true) {}
 690
 691                 ~LocationMarkers ();
 692
 693                 void hide ();
 694                 void show ();
 695
 696                 void set_show_lines (bool);
 697                 void set_selected (bool);
 698                 void canvas_height_set (double);
 699                 void setup_lines ();
 700
 701                 void set_name (const std::string&);
 702                 void set_position (samplepos_t start, samplepos_t end = 0);
 703                 void set_color_rgba (uint32_t);
 704         };
 705
 706         LocationMarkers*  find_location_markers (ARDOUR::Location*) const;
 707         ARDOUR::Location* find_location_from_marker (ArdourMarker*, bool& is_start) const;
 708         ArdourMarker* find_marker_from_location_id (PBD::ID const&, bool) const;
 709         ArdourMarker* entered_marker;
 710         bool _show_marker_lines;
 711
 712         typedef std::map<ARDOUR::Location*,LocationMarkers*> LocationMarkerMap;
 713         LocationMarkerMap location_markers;
 714
 715         void update_marker_labels ();
 716         void update_marker_labels (ArdourCanvas::Container*);
 717         void check_marker_label (ArdourMarker*);
 718
 719         /** A set of lists of Markers that are in each of the canvas groups
 720          *  for the marker sections at the top of the editor.  These lists
 721          *  are kept sorted in time order between marker movements, so that after
 722          *  a marker has moved we can decide whether we need to update the labels
 723          *  for all markers or for just a few.
 724          */
 725         std::map<ArdourCanvas::Container*, std::list<ArdourMarker*> > _sorted_marker_lists;
 726         void remove_sorted_marker (ArdourMarker*);
 727
 728         void hide_marker (ArdourCanvas::Item*, GdkEvent*);
 729         void clear_marker_display ();
 730         void mouse_add_new_range (samplepos_t);
 731         void mouse_add_new_loop (samplepos_t);
 732         void mouse_add_new_punch (samplepos_t);
 733         bool choose_new_marker_name(std::string &name, bool is_range=false);
 734         void update_cd_marker_display ();
 735         void ensure_cd_marker_updated (LocationMarkers* lam, ARDOUR::Location* location);
 736
 737         TimeAxisView*      clicked_axisview;
 738         RouteTimeAxisView* clicked_routeview;
 739         /** The last RegionView that was clicked on, or 0 if the last click was not
 740          * on a RegionView.  This is set up by the canvas event handlers in
 741          * editor_canvas_events.cc
 742          */
 743         RegionView*        clicked_regionview;
 744         RegionSelection    latest_regionviews;
 745         uint32_t           clicked_selection;
 746         ControlPoint*      clicked_control_point;
 747
 748         void sort_track_selection (TrackViewList&);
 749
 750         void get_equivalent_regions (RegionView* rv, std::vector<RegionView*> &, PBD::PropertyID) const;
 751         RegionSelection get_equivalent_regions (RegionSelection &, PBD::PropertyID) const;
 752         RegionView* regionview_from_region (boost::shared_ptr<ARDOUR::Region>) const;
 753         RouteTimeAxisView* rtav_from_route (boost::shared_ptr<ARDOUR::Route>) const;
 754
 755         void mapover_tracks (sigc::slot<void,RouteTimeAxisView&,uint32_t> sl, TimeAxisView*, PBD::PropertyID) const;
 756         void mapover_tracks_with_unique_playlists (sigc::slot<void,RouteTimeAxisView&,uint32_t> sl, TimeAxisView*, PBD::PropertyID) const;
 757
 758         /* functions to be passed to mapover_tracks(), possibly with sigc::bind()-supplied arguments */
 759         void mapped_get_equivalent_regions (RouteTimeAxisView&, uint32_t, RegionView*, std::vector<RegionView*>*) const;
 760         void mapped_use_new_playlist (RouteTimeAxisView&, uint32_t, std::vector<boost::shared_ptr<ARDOUR::Playlist> > const &);
 761         void mapped_use_copy_playlist (RouteTimeAxisView&, uint32_t, std::vector<boost::shared_ptr<ARDOUR::Playlist> > const &);
 762         void mapped_clear_playlist (RouteTimeAxisView&, uint32_t);
 763
 764         void button_selection (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_type);
 765         bool button_release_can_deselect;
 766         bool _mouse_changed_selection;
 767
 768         void catch_vanishing_regionview (RegionView*);
 769
 770         void set_selected_track (TimeAxisView&, Selection::Operation op = Selection::Set, bool no_remove=false);
 771         void select_all_tracks ();
 772         bool select_all_internal_edit (Selection::Operation);
 773
 774         bool set_selected_control_point_from_click (bool press, Selection::Operation op = Selection::Set);
 775         void set_selected_track_from_click (bool press, Selection::Operation op = Selection::Set, bool no_remove=false);
 776         void set_selected_track_as_side_effect (Selection::Operation op);
 777         bool set_selected_regionview_from_click (bool press, Selection::Operation op = Selection::Set);
 778
 779         bool set_selected_regionview_from_map_event (GdkEventAny*, StreamView*, boost::weak_ptr<ARDOUR::Region>);
 780         void collect_new_region_view (RegionView*);
 781         void collect_and_select_new_region_view (RegionView*);
 782
 783         Gtk::Menu track_context_menu;
 784         Gtk::Menu track_region_context_menu;
 785         Gtk::Menu track_selection_context_menu;
 786
 787         GdkEvent context_click_event;
 788
 789         void popup_track_context_menu (int, int, ItemType, bool);
 790         Gtk::Menu* build_track_context_menu ();
 791         Gtk::Menu* build_track_bus_context_menu ();
 792         Gtk::Menu* build_track_region_context_menu ();
 793         Gtk::Menu* build_track_selection_context_menu ();
 794         void add_dstream_context_items (Gtk::Menu_Helpers::MenuList&);
 795         void add_bus_context_items (Gtk::Menu_Helpers::MenuList&);
 796         void add_region_context_items (Gtk::Menu_Helpers::MenuList&, boost::shared_ptr<ARDOUR::Track>);
 797         void add_selection_context_items (Gtk::Menu_Helpers::MenuList&);
 798         Gtk::MenuItem* _popup_region_menu_item;
 799
 800         void popup_control_point_context_menu (ArdourCanvas::Item*, GdkEvent*);
 801         Gtk::Menu _control_point_context_menu;
 802
 803         void popup_note_context_menu (ArdourCanvas::Item*, GdkEvent*);
 804         Gtk::Menu _note_context_menu;
 805
 806         void add_stripables (ARDOUR::StripableList&);
 807         void add_routes (ARDOUR::RouteList&);
 808         void timeaxisview_deleted (TimeAxisView*);
 809         void add_vcas (ARDOUR::VCAList&);
 810
 811         Gtk::HBox global_hpacker;
 812         Gtk::VBox global_vpacker;
 813
 814         /* Cursor stuff.  Do not use directly, use via CursorContext. */
 815         friend class CursorContext;
 816         std::vector<Gdk::Cursor*> _cursor_stack;
 817         void set_canvas_cursor (Gdk::Cursor*);
 818         size_t push_canvas_cursor (Gdk::Cursor*);
 819         void pop_canvas_cursor ();
 820
 821         Gdk::Cursor* which_track_cursor () const;
 822         Gdk::Cursor* which_mode_cursor () const;
 823         Gdk::Cursor* which_trim_cursor (bool left_side) const;
 824         Gdk::Cursor* which_canvas_cursor (ItemType type) const;
 825
 826         /** Push the appropriate enter/cursor context on item entry. */
 827         void choose_canvas_cursor_on_entry (ItemType);
 828
 829         /** Update all enter cursors based on current settings. */
 830         void update_all_enter_cursors ();
 831
 832         ArdourCanvas::GtkCanvas* _track_canvas;
 833         ArdourCanvas::GtkCanvasViewport* _track_canvas_viewport;
 834
 835         bool within_track_canvas;
 836
 837         friend class VerboseCursor;
 838         VerboseCursor* _verbose_cursor;
 839
 840         void parameter_changed (std::string);
 841         void ui_parameter_changed (std::string);
 842
 843         Gtk::EventBox            time_bars_event_box;
 844         Gtk::VBox                time_bars_vbox;
 845
 846         ArdourCanvas::Container* tempo_group;
 847         ArdourCanvas::Container* meter_group;
 848         ArdourCanvas::Container* marker_group;
 849         ArdourCanvas::Container* range_marker_group;
 850         ArdourCanvas::Container* transport_marker_group;
 851         ArdourCanvas::Container* cd_marker_group;
 852
 853         /* parent for groups which themselves contain time markers */
 854         ArdourCanvas::Container* _time_markers_group;
 855
 856         /* The group containing all other groups that are scrolled vertically
 857            and horizontally.
 858         */
 859         ArdourCanvas::ScrollGroup* hv_scroll_group;
 860
 861         /* The group containing all other groups that are scrolled horizontally ONLY
 862         */
 863         ArdourCanvas::ScrollGroup* h_scroll_group;
 864
 865         /* Scroll group for cursors, scrolled horizontally, above everything else
 866         */
 867         ArdourCanvas::ScrollGroup* cursor_scroll_group;
 868
 869         /* The group containing all trackviews. */
 870         ArdourCanvas::Container* no_scroll_group;
 871
 872         /* The group containing all trackviews. */
 873         ArdourCanvas::Container* _trackview_group;
 874
 875         /* The group holding things (mostly regions) while dragging so they
 876          * are on top of everything else
 877          */
 878         ArdourCanvas::Container* _drag_motion_group;
 879
 880         /* a rect that sits at the bottom of all tracks to act as a drag-no-drop/clickable
 881          * target area.
 882          */
 883         ArdourCanvas::Rectangle* _canvas_drop_zone;
 884         bool canvas_drop_zone_event (GdkEvent* event);
 885
 886         Glib::RefPtr<Gtk::ToggleAction> ruler_timecode_action;
 887         Glib::RefPtr<Gtk::ToggleAction> ruler_bbt_action;
 888         Glib::RefPtr<Gtk::ToggleAction> ruler_samples_action;
 889         Glib::RefPtr<Gtk::ToggleAction> ruler_minsec_action;
 890         Glib::RefPtr<Gtk::ToggleAction> ruler_tempo_action;
 891         Glib::RefPtr<Gtk::ToggleAction> ruler_meter_action;
 892         Glib::RefPtr<Gtk::ToggleAction> ruler_marker_action;
 893         Glib::RefPtr<Gtk::ToggleAction> ruler_range_action;
 894         Glib::RefPtr<Gtk::ToggleAction> ruler_loop_punch_action;
 895         Glib::RefPtr<Gtk::ToggleAction> ruler_cd_marker_action;
 896         bool                            no_ruler_shown_update;
 897
 898         Gtk::Widget* ruler_grabbed_widget;
 899
 900         RulerDialog* ruler_dialog;
 901
 902         void initialize_rulers ();
 903         void update_just_timecode ();
 904         void compute_fixed_ruler_scale (); //calculates the RulerScale of the fixed rulers
 905         void update_fixed_rulers ();
 906         void update_tempo_based_rulers ();
 907         void popup_ruler_menu (samplepos_t where = 0, ItemType type = RegionItem);
 908         void update_ruler_visibility ();
 909         void toggle_ruler_visibility ();
 910         void ruler_toggled (int);
 911         bool ruler_label_button_release (GdkEventButton*);
 912         void store_ruler_visibility ();
 913         void restore_ruler_visibility ();
 914         void show_rulers_for_grid ();
 915
 916         enum MinsecRulerScale {
 917                 minsec_show_msecs,
 918                 minsec_show_seconds,
 919                 minsec_show_minutes,
 920                 minsec_show_hours,
 921                 minsec_show_many_hours
 922         };
 923
 924         MinsecRulerScale minsec_ruler_scale;
 925
 926         samplecnt_t minsec_mark_interval;
 927         gint minsec_mark_modulo;
 928         gint minsec_nmarks;
 929         void set_minsec_ruler_scale (samplepos_t, samplepos_t);
 930
 931         enum TimecodeRulerScale {
 932                 timecode_show_bits,
 933                 timecode_show_samples,
 934                 timecode_show_seconds,
 935                 timecode_show_minutes,
 936                 timecode_show_hours,
 937                 timecode_show_many_hours
 938         };
 939
 940         TimecodeRulerScale timecode_ruler_scale;
 941
 942         gint timecode_mark_modulo;
 943         gint timecode_nmarks;
 944         void set_timecode_ruler_scale (samplepos_t, samplepos_t);
 945
 946         samplecnt_t _samples_ruler_interval;
 947         void set_samples_ruler_scale (samplepos_t, samplepos_t);
 948
 949         enum BBTRulerScale {
 950                 bbt_show_many,
 951                 bbt_show_64,
 952                 bbt_show_16,
 953                 bbt_show_4,
 954                 bbt_show_1,
 955                 bbt_show_quarters,
 956                 bbt_show_eighths,
 957                 bbt_show_sixteenths,
 958                 bbt_show_thirtyseconds
 959         };
 960
 961         BBTRulerScale bbt_ruler_scale;
 962
 963         uint32_t bbt_bars;
 964         gint bbt_nmarks;
 965         uint32_t bbt_bar_helper_on;
 966         uint32_t bbt_accent_modulo;
 967         void compute_bbt_ruler_scale (samplepos_t lower, samplepos_t upper);
 968
 969         ArdourCanvas::Ruler* timecode_ruler;
 970         ArdourCanvas::Ruler* bbt_ruler;
 971         ArdourCanvas::Ruler* samples_ruler;
 972         ArdourCanvas::Ruler* minsec_ruler;
 973
 974         static double timebar_height;
 975         guint32 visible_timebars;
 976         Gtk::Menu* editor_ruler_menu;
 977
 978         ArdourCanvas::Rectangle* tempo_bar;
 979         ArdourCanvas::Rectangle* meter_bar;
 980         ArdourCanvas::Rectangle* marker_bar;
 981         ArdourCanvas::Rectangle* range_marker_bar;
 982         ArdourCanvas::Rectangle* transport_marker_bar;
 983         ArdourCanvas::Rectangle* cd_marker_bar;
 984
 985         Gtk::Label  minsec_label;
 986         Gtk::Label  bbt_label;
 987         Gtk::Label  timecode_label;
 988         Gtk::Label  samples_label;
 989         Gtk::Label  tempo_label;
 990         Gtk::Label  meter_label;
 991         Gtk::Label  mark_label;
 992         Gtk::Label  range_mark_label;
 993         Gtk::Label  transport_mark_label;
 994         Gtk::Label  cd_mark_label;
 995
 996         /* videtimline related actions */
 997         Gtk::Label                videotl_label;
 998         ArdourCanvas::Container*      videotl_group;
 999         Glib::RefPtr<Gtk::ToggleAction> ruler_video_action;
1000         Glib::RefPtr<Gtk::ToggleAction> xjadeo_proc_action;
1001         Glib::RefPtr<Gtk::ToggleAction> xjadeo_ontop_action;
1002         Glib::RefPtr<Gtk::ToggleAction> xjadeo_timecode_action;
1003         Glib::RefPtr<Gtk::ToggleAction> xjadeo_frame_action;
1004         Glib::RefPtr<Gtk::ToggleAction> xjadeo_osdbg_action;
1005         Glib::RefPtr<Gtk::ToggleAction> xjadeo_fullscreen_action;
1006         Glib::RefPtr<Gtk::ToggleAction> xjadeo_letterbox_action;
1007         Glib::RefPtr<Gtk::Action> xjadeo_zoom_100;
1008         void set_xjadeo_proc ();
1009         void toggle_xjadeo_proc (int state=-1);
1010         void set_close_video_sensitive (bool onoff);
1011         void set_xjadeo_sensitive (bool onoff);
1012         void set_xjadeo_viewoption (int);
1013         void toggle_xjadeo_viewoption (int what, int state=-1);
1014         void toggle_ruler_video (bool onoff) {ruler_video_action->set_active(onoff);}
1015         int videotl_bar_height; /* in units of timebar_height; default: 4 */
1016         int get_videotl_bar_height () const { return videotl_bar_height; }
1017         void toggle_region_video_lock ();
1018
1019         friend class EditorCursor;
1020
1021         EditorCursor* snapped_cursor;
1022
1023         EditorCursor* playhead_cursor;
1024         samplepos_t playhead_cursor_sample () const;
1025
1026         samplepos_t get_region_boundary (samplepos_t pos, int32_t dir, bool with_selection, bool only_onscreen);
1027
1028         void    cursor_to_region_boundary (bool with_selection, int32_t dir);
1029         void    cursor_to_next_region_boundary (bool with_selection);
1030         void    cursor_to_previous_region_boundary (bool with_selection);
1031         void    cursor_to_next_region_point (EditorCursor*, ARDOUR::RegionPoint);
1032         void    cursor_to_previous_region_point (EditorCursor*, ARDOUR::RegionPoint);
1033         void    cursor_to_region_point (EditorCursor*, ARDOUR::RegionPoint, int32_t dir);
1034         void    cursor_to_selection_start (EditorCursor*);
1035         void    cursor_to_selection_end   (EditorCursor*);
1036
1037         void    selected_marker_to_region_boundary (bool with_selection, int32_t dir);
1038         void    selected_marker_to_next_region_boundary (bool with_selection);
1039         void    selected_marker_to_previous_region_boundary (bool with_selection);
1040         void    selected_marker_to_next_region_point (ARDOUR::RegionPoint);
1041         void    selected_marker_to_previous_region_point (ARDOUR::RegionPoint);
1042         void    selected_marker_to_region_point (ARDOUR::RegionPoint, int32_t dir);
1043         void    selected_marker_to_selection_start ();
1044         void    selected_marker_to_selection_end   ();
1045
1046         void    select_all_selectables_using_cursor (EditorCursor*, bool);
1047         void    select_all_selectables_using_edit (bool, bool);
1048         void    select_all_selectables_between (bool within);
1049         void    select_range_between ();
1050
1051         boost::shared_ptr<ARDOUR::Region> find_next_region (ARDOUR::samplepos_t, ARDOUR::RegionPoint, int32_t dir, TrackViewList&, TimeAxisView** = 0);
1052         ARDOUR::samplepos_t find_next_region_boundary (ARDOUR::samplepos_t, int32_t dir, const TrackViewList&);
1053
1054         std::vector<ARDOUR::samplepos_t> region_boundary_cache;
1055         void mark_region_boundary_cache_dirty () { _region_boundary_cache_dirty = true; }
1056         void build_region_boundary_cache ();
1057         bool    _region_boundary_cache_dirty;
1058
1059         Gtk::HBox           toplevel_hpacker;
1060
1061         Gtk::HBox           bottom_hbox;
1062
1063         Gtk::Table          edit_packer;
1064
1065         /** the adjustment that controls the overall editor vertical scroll position */
1066         Gtk::Adjustment     vertical_adjustment;
1067         Gtk::Adjustment     horizontal_adjustment;
1068
1069         Gtk::Adjustment     unused_adjustment; // yes, really; Gtk::Layout constructor requires refs
1070         Gtk::Layout         controls_layout;
1071         bool control_layout_scroll (GdkEventScroll* ev);
1072         void reset_controls_layout_width ();
1073         void reset_controls_layout_height (int32_t height);
1074
1075         enum Direction {
1076                 LEFT,
1077                 RIGHT,
1078                 UP,
1079                 DOWN
1080         };
1081
1082         bool scroll_press (Direction);
1083         void scroll_release ();
1084         sigc::connection _scroll_connection;
1085         int _scroll_callbacks;
1086
1087         double _visible_canvas_width;
1088         double _visible_canvas_height; ///< height of the visible area of the track canvas
1089         double _full_canvas_height;    ///< full height of the canvas
1090
1091         bool track_canvas_map_handler (GdkEventAny*);
1092
1093         bool edit_controls_button_release (GdkEventButton*);
1094         Gtk::Menu* edit_controls_left_menu;
1095         Gtk::Menu* edit_controls_right_menu;
1096
1097         Gtk::VBox           track_canvas_vbox;
1098         Gtk::VBox           edit_controls_vbox;
1099         Gtk::HBox           edit_controls_hbox;
1100
1101         void control_vertical_zoom_in_all ();
1102         void control_vertical_zoom_out_all ();
1103         void control_vertical_zoom_in_selected ();
1104         void control_vertical_zoom_out_selected ();
1105         void control_step_tracks_up ();
1106         void control_step_tracks_down ();
1107         void control_view (uint32_t);
1108         void control_scroll (float);
1109         void control_select (boost::shared_ptr<ARDOUR::Stripable>, Selection::Operation);
1110         void control_unselect ();
1111         void access_action (const std::string&, const std::string&);
1112         void set_toggleaction (const std::string&, const std::string&, bool);
1113         bool deferred_control_scroll (samplepos_t);
1114         sigc::connection control_scroll_connection;
1115
1116         void tie_vertical_scrolling ();
1117         void set_horizontal_position (double);
1118         double horizontal_position () const;
1119
1120         struct VisualChange {
1121                 enum Type {
1122                         TimeOrigin = 0x1,
1123                         ZoomLevel = 0x2,
1124                         YOrigin = 0x4,
1125                         VideoTimeline = 0x8
1126                 };
1127
1128                 Type        pending;
1129                 samplepos_t time_origin;
1130                 samplecnt_t samples_per_pixel;
1131                 double      y_origin;
1132
1133                 int idle_handler_id;
1134                 /** true if we are currently in the idle handler */
1135                 bool being_handled;
1136
1137                 VisualChange() : pending ((VisualChange::Type) 0), time_origin (0), samples_per_pixel (0), idle_handler_id (-1), being_handled (false) {}
1138                 void add (Type t) {
1139                         pending = Type (pending | t);
1140                 }
1141         };
1142
1143         VisualChange pending_visual_change;
1144         bool visual_change_queued;
1145
1146         void pre_render ();
1147
1148         static int _idle_visual_changer (void* arg);
1149         int idle_visual_changer ();
1150         void visual_changer (const VisualChange&);
1151         void ensure_visual_change_idle_handler ();
1152
1153         /* track views */
1154         TrackViewList track_views;
1155         std::pair<TimeAxisView*, double> trackview_by_y_position (double, bool trackview_relative_offset = true) const;
1156
1157         AxisView* axis_view_by_stripable (boost::shared_ptr<ARDOUR::Stripable>) const;
1158         AxisView* axis_view_by_control (boost::shared_ptr<ARDOUR::AutomationControl>) const;
1159
1160         TimeAxisView* time_axis_view_from_stripable (boost::shared_ptr<ARDOUR::Stripable> s) const {
1161                 return dynamic_cast<TimeAxisView*> (axis_view_by_stripable (s));
1162         }
1163
1164         TrackViewList get_tracks_for_range_action () const;
1165
1166         sigc::connection super_rapid_screen_update_connection;
1167         void center_screen_internal (samplepos_t, float);
1168
1169         void super_rapid_screen_update ();
1170
1171         int64_t _last_update_time;
1172         double _err_screen_engine;
1173
1174         void session_going_away ();
1175
1176         samplepos_t cut_buffer_start;
1177         samplecnt_t cut_buffer_length;
1178
1179         boost::shared_ptr<CursorContext> _press_cursor_ctx;  ///< Button press cursor context
1180
1181         boost::weak_ptr<ARDOUR::Trimmable> _trimmable;
1182         boost::weak_ptr<ARDOUR::Movable> _movable;
1183
1184         bool typed_event (ArdourCanvas::Item*, GdkEvent*, ItemType);
1185         bool button_press_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1186         bool button_press_handler_1 (ArdourCanvas::Item*, GdkEvent*, ItemType);
1187         bool button_press_handler_2 (ArdourCanvas::Item*, GdkEvent*, ItemType);
1188         bool button_release_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1189         bool button_double_click_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1190         bool button_press_dispatch (GdkEventButton*);
1191         bool button_release_dispatch (GdkEventButton*);
1192         bool motion_handler (ArdourCanvas::Item*, GdkEvent*, bool from_autoscroll = false);
1193         bool enter_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1194         bool leave_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1195         bool key_press_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1196         bool key_release_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1197
1198         Gtkmm2ext::Bindings* button_bindings;
1199         XMLNode* button_settings () const;
1200
1201         /* KEYMAP HANDLING */
1202
1203         void register_actions ();
1204         void register_region_actions ();
1205
1206         void load_bindings ();
1207
1208         /* CUT/COPY/PASTE */
1209
1210         samplepos_t last_paste_pos;
1211         unsigned    paste_count;
1212
1213         void cut_copy (Editing::CutCopyOp);
1214         bool can_cut_copy () const;
1215         void cut_copy_points (Editing::CutCopyOp, Temporal::Beats earliest=Temporal::Beats(), bool midi=false);
1216         void cut_copy_regions (Editing::CutCopyOp, RegionSelection&);
1217         void cut_copy_ranges (Editing::CutCopyOp);
1218         void cut_copy_midi (Editing::CutCopyOp);
1219
1220         void mouse_paste ();
1221         void paste_internal (samplepos_t position, float times, const int32_t sub_num);
1222
1223         /* EDITING OPERATIONS */
1224
1225         void reset_point_selection ();
1226         void toggle_region_lock ();
1227         void toggle_opaque_region ();
1228         void toggle_record_enable ();
1229         void toggle_solo ();
1230         void toggle_solo_isolate ();
1231         void toggle_mute ();
1232         void toggle_region_lock_style ();
1233
1234         void play_solo_selection (bool restart);
1235
1236         enum LayerOperation {
1237                 Raise,
1238                 RaiseToTop,
1239                 Lower,
1240                 LowerToBottom
1241         };
1242
1243         void do_layer_operation (LayerOperation);
1244         void raise_region ();
1245         void raise_region_to_top ();
1246         void change_region_layering_order (bool from_context_menu);
1247         void lower_region ();
1248         void lower_region_to_bottom ();
1249         void split_region_at_transients ();
1250         void crop_region_to_selection ();
1251         void crop_region_to (samplepos_t start, samplepos_t end);
1252         void set_sync_point (samplepos_t, const RegionSelection&);
1253         void set_region_sync_position ();
1254         void remove_region_sync();
1255         void align_regions (ARDOUR::RegionPoint);
1256         void align_regions_relative (ARDOUR::RegionPoint point);
1257         void align_region (boost::shared_ptr<ARDOUR::Region>, ARDOUR::RegionPoint point, samplepos_t position);
1258         void align_region_internal (boost::shared_ptr<ARDOUR::Region>, ARDOUR::RegionPoint point, samplepos_t position);
1259         void recover_regions (ARDOUR::RegionList);
1260         void remove_selected_regions ();
1261         void remove_clicked_region ();
1262         void show_region_properties ();
1263         void show_midi_list_editor ();
1264         void rename_region ();
1265         void duplicate_some_regions (RegionSelection&, float times);
1266         void duplicate_selection (float times);
1267         void region_fill_selection ();
1268         void combine_regions ();
1269         void uncombine_regions ();
1270
1271         void region_fill_track ();
1272         void audition_playlist_region_standalone (boost::shared_ptr<ARDOUR::Region>);
1273         void split_multichannel_region();
1274         void reverse_region ();
1275         void strip_region_silence ();
1276         void normalize_region ();
1277         void reset_region_scale_amplitude ();
1278         void adjust_region_gain (bool up);
1279         void reset_region_gain ();
1280         void quantize_region ();
1281         void quantize_regions (const RegionSelection& rs);
1282         void legatize_region (bool shrink_only);
1283         void legatize_regions (const RegionSelection& rs, bool shrink_only);
1284         void transform_region ();
1285         void transform_regions (const RegionSelection& rs);
1286         void transpose_region ();
1287         void transpose_regions (const RegionSelection& rs);
1288         void insert_patch_change (bool from_context);
1289         void fork_region ();
1290
1291         void do_insert_time ();
1292         void insert_time (samplepos_t, samplecnt_t, Editing::InsertTimeOption, bool, bool, bool, bool, bool, bool);
1293
1294         void do_remove_time ();
1295         void remove_time (samplepos_t pos, samplecnt_t distance, Editing::InsertTimeOption opt, bool ignore_music_glue, bool markers_too,
1296                         bool glued_markers_too, bool locked_markers_too, bool tempo_too);
1297
1298         void tab_to_transient (bool forward);
1299
1300         void set_tempo_from_region ();
1301         void use_range_as_bar ();
1302
1303         void define_one_bar (samplepos_t start, samplepos_t end);
1304
1305         void audition_region_from_region_list ();
1306
1307         void naturalize_region ();
1308
1309         void split_region ();
1310
1311         void delete_ ();
1312         void cut ();
1313         void copy ();
1314         void paste (float times, bool from_context_menu);
1315
1316         void place_transient ();
1317         void remove_transient (ArdourCanvas::Item* item);
1318         void snap_regions_to_grid ();
1319         void close_region_gaps ();
1320
1321         void keyboard_paste ();
1322
1323         void region_from_selection ();
1324         void create_region_from_selection (std::vector<boost::shared_ptr<ARDOUR::Region> >&);
1325
1326         void play_from_start ();
1327         void play_from_edit_point ();
1328         void play_from_edit_point_and_return ();
1329         void play_selected_region ();
1330         void play_edit_range ();
1331         void play_location (ARDOUR::Location&);
1332         void loop_location (ARDOUR::Location&);
1333
1334         void calc_extra_zoom_edges(samplepos_t &start, samplepos_t &end);
1335         void temporal_zoom_selection (Editing::ZoomAxis);
1336         void temporal_zoom_session ();
1337         void temporal_zoom_extents ();
1338         void temporal_zoom (samplecnt_t samples_per_pixel);
1339         void temporal_zoom_by_sample (samplepos_t start, samplepos_t end);
1340         void temporal_zoom_to_sample (bool coarser, samplepos_t sample);
1341
1342         void insert_source_list_selection (float times);
1343
1344         /* import & embed */
1345
1346         void add_external_audio_action (Editing::ImportMode);
1347
1348         int  check_whether_and_how_to_import(std::string, bool all_or_nothing = true);
1349         bool check_multichannel_status (const std::vector<std::string>& paths);
1350
1351         SoundFileOmega* sfbrowser;
1352
1353         void bring_in_external_audio (Editing::ImportMode mode,  samplepos_t& pos);
1354
1355         bool  idle_drop_paths  (std::vector<std::string> paths, samplepos_t sample, double ypos, bool copy);
1356         void  drop_paths_part_two  (const std::vector<std::string>& paths, samplepos_t sample, double ypos, bool copy);
1357
1358         int import_sndfiles (std::vector<std::string>              paths,
1359                              Editing::ImportDisposition            disposition,
1360                              Editing::ImportMode                   mode,
1361                              ARDOUR::SrcQuality                    quality,
1362                              samplepos_t&                          pos,
1363                              int                                   target_regions,
1364                              int                                   target_tracks,
1365                              boost::shared_ptr<ARDOUR::Track>&     track,
1366                              bool                                  replace,
1367                              boost::shared_ptr<ARDOUR::PluginInfo> instrument = boost::shared_ptr<ARDOUR::PluginInfo>());
1368
1369         int embed_sndfiles (std::vector<std::string>              paths,
1370                             bool                                  multiple_files,
1371                             bool&                                 check_sample_rate,
1372                             Editing::ImportDisposition            disposition,
1373                             Editing::ImportMode                   mode,
1374                             samplepos_t&                          pos,
1375                             int                                   target_regions,
1376                             int                                   target_tracks,
1377                             boost::shared_ptr<ARDOUR::Track>&     track,
1378                             boost::shared_ptr<ARDOUR::PluginInfo> instrument = boost::shared_ptr<ARDOUR::PluginInfo>());
1379
1380         int add_sources (std::vector<std::string>              paths,
1381                          ARDOUR::SourceList&                   sources,
1382                          samplepos_t&                          pos,
1383                          Editing::ImportDisposition            disposition,
1384                          Editing::ImportMode                   mode,
1385                          int                                   target_regions,
1386                          int                                   target_tracks,
1387                          boost::shared_ptr<ARDOUR::Track>&     track,
1388                          bool                                  add_channel_suffix,
1389                          boost::shared_ptr<ARDOUR::PluginInfo> instrument = boost::shared_ptr<ARDOUR::PluginInfo>());
1390
1391         int finish_bringing_in_material (boost::shared_ptr<ARDOUR::Region>     region,
1392                                          uint32_t                              in_chans,
1393                                          uint32_t                              out_chans,
1394                                          samplepos_t&                          pos,
1395                                          Editing::ImportMode                   mode,
1396                                          boost::shared_ptr<ARDOUR::Track>&     existing_track,
1397                                          const std::string&                    new_track_name,
1398                                          boost::shared_ptr<ARDOUR::PluginInfo> instrument);
1399
1400         boost::shared_ptr<ARDOUR::AudioTrack> get_nth_selected_audio_track (int nth) const;
1401         boost::shared_ptr<ARDOUR::MidiTrack> get_nth_selected_midi_track (int nth) const;
1402
1403         void toggle_midi_input_active (bool flip_others);
1404
1405         ARDOUR::InterThreadInfo* current_interthread_info;
1406
1407         AnalysisWindow* analysis_window;
1408
1409         /* import & embed */
1410         void external_audio_dialog ();
1411         void session_import_dialog ();
1412
1413         /* PT import specific */
1414         void external_pt_dialog ();
1415         ARDOUR::ImportStatus import_pt_status;
1416         static void*_import_pt_thread (void*);
1417         void* import_pt_thread ();
1418         PTFFormat import_ptf;
1419
1420         /* import specific info */
1421
1422         struct EditorImportStatus : public ARDOUR::ImportStatus {
1423             Editing::ImportMode mode;
1424             samplepos_t pos;
1425             int target_tracks;
1426             int target_regions;
1427             boost::shared_ptr<ARDOUR::Track> track;
1428             bool replace;
1429         };
1430
1431         EditorImportStatus import_status;
1432         static void*_import_thread (void*);
1433         void* import_thread ();
1434         void finish_import ();
1435
1436         /* to support this ... */
1437
1438         void import_audio (bool as_tracks);
1439         void do_import (std::vector<std::string> paths, bool split, bool as_tracks);
1440         void import_smf_tempo_map (Evoral::SMF const &, samplepos_t pos);
1441         void move_to_start ();
1442         void move_to_end ();
1443         void center_playhead ();
1444         void center_edit_point ();
1445         void playhead_forward_to_grid ();
1446         void playhead_backward_to_grid ();
1447         void scroll_playhead (bool forward);
1448         void scroll_backward (float pages=0.8f);
1449         void scroll_forward (float pages=0.8f);
1450         void scroll_tracks_down ();
1451         void scroll_tracks_up ();
1452         void set_mark ();
1453         void clear_markers ();
1454         void clear_ranges ();
1455         void clear_locations ();
1456         void unhide_markers ();
1457         void unhide_ranges ();
1458         void cursor_align (bool playhead_to_edit);
1459         void toggle_skip_playback ();
1460
1461         void remove_last_capture ();
1462
1463         void tag_last_capture ();
1464         void tag_selected_region ();
1465         void tag_regions (ARDOUR::RegionList);
1466
1467         void select_all_selectables_using_time_selection ();
1468         void select_all_selectables_using_loop();
1469         void select_all_selectables_using_punch();
1470         void set_selection_from_range (ARDOUR::Location&);
1471         void set_selection_from_punch ();
1472         void set_selection_from_loop ();
1473         void set_selection_from_region ();
1474
1475         void add_location_mark (samplepos_t where);
1476         void add_location_from_region ();
1477         void add_locations_from_region ();
1478         void add_location_from_selection ();
1479         void set_loop_from_selection (bool play);
1480         void set_punch_from_selection ();
1481         void set_punch_from_region ();
1482         void set_auto_punch_range();
1483
1484         void set_session_start_from_playhead ();
1485         void set_session_end_from_playhead ();
1486         void set_session_extents_from_selection ();
1487
1488         void set_loop_from_region (bool play);
1489
1490         void set_loop_range (samplepos_t start, samplepos_t end, std::string cmd);
1491         void set_punch_range (samplepos_t start, samplepos_t end, std::string cmd);
1492
1493         void toggle_location_at_playhead_cursor ();
1494         void add_location_from_playhead_cursor ();
1495         bool do_remove_location_at_playhead_cursor ();
1496         void remove_location_at_playhead_cursor ();
1497         bool select_new_marker;
1498
1499         void reverse_selection ();
1500         void edit_envelope ();
1501
1502         double last_scrub_x;
1503         int scrubbing_direction;
1504         int scrub_reversals;
1505         int scrub_reverse_distance;
1506         void scrub (samplepos_t, double);
1507
1508         void set_punch_start_from_edit_point ();
1509         void set_punch_end_from_edit_point ();
1510         void set_loop_start_from_edit_point ();
1511         void set_loop_end_from_edit_point ();
1512
1513         void keyboard_selection_begin (Editing::EditIgnoreOption = Editing::EDIT_IGNORE_NONE);
1514         void keyboard_selection_finish (bool add, Editing::EditIgnoreOption = Editing::EDIT_IGNORE_NONE);
1515         bool have_pending_keyboard_selection;
1516         samplepos_t pending_keyboard_selection_start;
1517
1518         void move_range_selection_start_or_end_to_region_boundary (bool, bool);
1519
1520         Editing::GridType _grid_type;
1521         Editing::SnapMode _snap_mode;
1522
1523         bool ignore_gui_changes;
1524
1525         DragManager* _drags;
1526
1527         void escape ();
1528         void lock ();
1529         void unlock ();
1530         Gtk::Dialog* lock_dialog;
1531
1532         struct timeval last_event_time;
1533         bool generic_event_handler (GdkEvent*);
1534         bool lock_timeout_callback ();
1535         void start_lock_event_timing ();
1536
1537         Gtk::Menu fade_context_menu;
1538
1539         Gtk::Menu xfade_in_context_menu;
1540         Gtk::Menu xfade_out_context_menu;
1541         void popup_xfade_in_context_menu (int, int, ArdourCanvas::Item*, ItemType);
1542         void popup_xfade_out_context_menu (int, int, ArdourCanvas::Item*, ItemType);
1543         void fill_xfade_menu (Gtk::Menu_Helpers::MenuList& items, bool start);
1544
1545         void set_fade_in_shape (ARDOUR::FadeShape);
1546         void set_fade_out_shape (ARDOUR::FadeShape);
1547
1548         void set_fade_length (bool in);
1549         void set_fade_in_active (bool);
1550         void set_fade_out_active (bool);
1551
1552         void fade_range ();
1553
1554         std::set<boost::shared_ptr<ARDOUR::Playlist> > motion_frozen_playlists;
1555
1556         bool _dragging_playhead;
1557         bool _dragging_edit_point;
1558
1559         void marker_drag_motion_callback (GdkEvent*);
1560         void marker_drag_finished_callback (GdkEvent*);
1561
1562         gint mouse_rename_region (ArdourCanvas::Item*, GdkEvent*);
1563
1564         void add_region_drag (ArdourCanvas::Item*, GdkEvent*, RegionView*);
1565         void start_create_region_grab (ArdourCanvas::Item*, GdkEvent*);
1566         void add_region_copy_drag (ArdourCanvas::Item*, GdkEvent*, RegionView*);
1567         void add_region_brush_drag (ArdourCanvas::Item*, GdkEvent*, RegionView*);
1568         void start_selection_grab (ArdourCanvas::Item*, GdkEvent*);
1569
1570         void region_view_item_click (AudioRegionView&, GdkEventButton*);
1571
1572         bool can_remove_control_point (ArdourCanvas::Item*);
1573         void remove_control_point (ArdourCanvas::Item*);
1574
1575         void mouse_brush_insert_region (RegionView*, samplepos_t pos);
1576
1577         /* Canvas event handlers */
1578
1579         bool canvas_scroll_event (GdkEventScroll* event, bool from_canvas);
1580         bool canvas_control_point_event (GdkEvent* event,ArdourCanvas::Item*, ControlPoint*);
1581         bool canvas_line_event (GdkEvent* event,ArdourCanvas::Item*, AutomationLine*);
1582         bool canvas_selection_rect_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1583         bool canvas_selection_start_trim_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1584         bool canvas_selection_end_trim_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1585         bool canvas_start_xfade_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1586         bool canvas_end_xfade_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1587         bool canvas_fade_in_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1588         bool canvas_fade_in_handle_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*, bool trim = false);
1589         bool canvas_fade_out_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1590         bool canvas_fade_out_handle_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*, bool trim = false);
1591         bool canvas_region_view_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1592         bool canvas_wave_view_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1593         bool canvas_frame_handle_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1594         bool canvas_region_view_name_highlight_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1595         bool canvas_region_view_name_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1596         bool canvas_feature_line_event (GdkEvent* event, ArdourCanvas::Item*, RegionView*);
1597         bool canvas_stream_view_event (GdkEvent* event,ArdourCanvas::Item*, RouteTimeAxisView*);
1598         bool canvas_marker_event (GdkEvent* event,ArdourCanvas::Item*, ArdourMarker*);
1599         bool canvas_tempo_marker_event (GdkEvent* event,ArdourCanvas::Item*, TempoMarker*);
1600         bool canvas_tempo_curve_event (GdkEvent* event,ArdourCanvas::Item*, TempoCurve*);
1601         bool canvas_meter_marker_event (GdkEvent* event,ArdourCanvas::Item*, MeterMarker*);
1602         bool canvas_automation_track_event(GdkEvent* event, ArdourCanvas::Item*, AutomationTimeAxisView*);
1603         bool canvas_note_event (GdkEvent* event, ArdourCanvas::Item*);
1604
1605         bool canvas_ruler_event (GdkEvent* event, ArdourCanvas::Item*, ItemType);
1606         bool canvas_tempo_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1607         bool canvas_meter_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1608         bool canvas_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1609         bool canvas_range_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1610         bool canvas_transport_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1611         bool canvas_cd_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1612
1613         bool canvas_videotl_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1614         void update_video_timeline (bool flush = false);
1615         void set_video_timeline_height (const int);
1616         bool is_video_timeline_locked ();
1617         void toggle_video_timeline_locked ();
1618         void set_video_timeline_locked (const bool);
1619         void queue_visual_videotimeline_update ();
1620         void embed_audio_from_video (std::string, samplepos_t n = 0, bool lock_position_to_video = true);
1621
1622         bool track_selection_change_without_scroll () const {
1623                 return _track_selection_change_without_scroll;
1624         }
1625
1626         PBD::Signal0<void> EditorFreeze;
1627         PBD::Signal0<void> EditorThaw;
1628
1629 private:
1630         friend class DragManager;
1631         friend class EditorRouteGroups;
1632         friend class EditorRegions;
1633         friend class EditorSources;
1634
1635         /* non-public event handlers */
1636
1637         bool canvas_playhead_cursor_event (GdkEvent* event, ArdourCanvas::Item*);
1638         bool track_canvas_scroll (GdkEventScroll* event);
1639
1640         bool track_canvas_button_press_event (GdkEventButton* event);
1641         bool track_canvas_button_release_event (GdkEventButton* event);
1642         bool track_canvas_motion_notify_event (GdkEventMotion* event);
1643
1644         Gtk::Allocation _canvas_viewport_allocation;
1645         void track_canvas_viewport_allocate (Gtk::Allocation alloc);
1646         void track_canvas_viewport_size_allocated ();
1647         bool track_canvas_drag_motion (Glib::RefPtr<Gdk::DragContext> const &, int, int, guint);
1648         bool track_canvas_key_press (GdkEventKey*);
1649         bool track_canvas_key_release (GdkEventKey*);
1650
1651         void set_playhead_cursor ();
1652
1653         void toggle_region_mute ();
1654
1655         void initialize_canvas ();
1656
1657         /* display control */
1658
1659         /// true if the editor should follow the playhead, otherwise false
1660         bool _follow_playhead;
1661         /// true if we scroll the tracks rather than the playhead
1662         bool _stationary_playhead;
1663         /// true if we are in fullscreen mode
1664         bool _maximised;
1665
1666         std::vector<ArdourCanvas::Ruler::Mark> grid_marks;
1667         GridLines* grid_lines;
1668
1669         ArdourCanvas::Container* global_rect_group;
1670         ArdourCanvas::Container* time_line_group;
1671
1672         void hide_grid_lines ();
1673         void maybe_draw_grid_lines ();
1674
1675         void new_tempo_section ();
1676
1677         void remove_tempo_marker (ArdourCanvas::Item*);
1678         void remove_meter_marker (ArdourCanvas::Item*);
1679         gint real_remove_tempo_marker (ARDOUR::TempoSection*);
1680         gint real_remove_meter_marker (ARDOUR::MeterSection*);
1681
1682         void edit_tempo_marker (TempoMarker&);
1683         void edit_meter_marker (MeterMarker&);
1684         void edit_control_point (ArdourCanvas::Item*);
1685         void edit_notes (MidiRegionView*);
1686         void edit_region (RegionView*);
1687
1688         void edit_current_meter ();
1689         void edit_current_tempo ();
1690
1691         void marker_menu_edit ();
1692         void marker_menu_remove ();
1693         void marker_menu_rename ();
1694         void rename_marker (ArdourMarker* marker);
1695         void toggle_marker_lock_style ();
1696         void toggle_tempo_clamped ();
1697         void toggle_tempo_type ();
1698         void ramp_to_next_tempo ();
1699         void toggle_marker_menu_lock ();
1700         void toggle_marker_menu_glue ();
1701         void marker_menu_hide ();
1702         void marker_menu_set_origin ();
1703         void marker_menu_loop_range ();
1704         void marker_menu_select_all_selectables_using_range ();
1705         void marker_menu_select_using_range ();
1706         void marker_menu_separate_regions_using_location ();
1707         void marker_menu_play_from ();
1708         void marker_menu_play_range ();
1709         void marker_menu_set_playhead ();
1710         void marker_menu_set_from_playhead ();
1711         void marker_menu_set_from_selection (bool force_regions);
1712         void marker_menu_range_to_next ();
1713         void marker_menu_zoom_to_range ();
1714         void new_transport_marker_menu_set_loop ();
1715         void new_transport_marker_menu_set_punch ();
1716         void update_loop_range_view ();
1717         void update_punch_range_view ();
1718         void new_transport_marker_menu_popdown ();
1719         void marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1720         void tempo_or_meter_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1721         void new_transport_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1722         void build_range_marker_menu (ARDOUR::Location*, bool, bool);
1723         void build_marker_menu (ARDOUR::Location*);
1724         void build_tempo_marker_menu (TempoMarker*, bool);
1725         void build_meter_marker_menu (MeterMarker*, bool);
1726         void build_new_transport_marker_menu ();
1727
1728         void dynamic_cast_marker_object (void*, MeterMarker**, TempoMarker**) const;
1729
1730         Gtk::Menu* tempo_marker_menu;
1731         Gtk::Menu* meter_marker_menu;
1732         Gtk::Menu* marker_menu;
1733         Gtk::Menu* range_marker_menu;
1734         Gtk::Menu* new_transport_marker_menu;
1735         ArdourCanvas::Item* marker_menu_item;
1736
1737         typedef std::list<ArdourMarker*> Marks;
1738         Marks metric_marks;
1739
1740         typedef std::list<TempoCurve*> Curves;
1741         Curves tempo_curves;
1742
1743         void remove_metric_marks ();
1744         void draw_metric_marks (const ARDOUR::Metrics& metrics);
1745
1746         void compute_current_bbt_points (std::vector<ARDOUR::TempoMap::BBTPoint>& grid, samplepos_t left, samplepos_t right);
1747
1748         void tempo_map_changed (const PBD::PropertyChange&);
1749         void tempometric_position_changed (const PBD::PropertyChange&);
1750
1751         void redisplay_grid (bool immediate_redraw);
1752
1753         uint32_t bbt_beat_subdivision;
1754
1755         /* toolbar */
1756
1757         Gtk::ToggleButton editor_mixer_button;
1758         Gtk::ToggleButton editor_list_button;
1759         void editor_mixer_button_toggled ();
1760         void editor_list_button_toggled ();
1761
1762         ArdourWidgets::ArdourButton   zoom_in_button;
1763         ArdourWidgets::ArdourButton   zoom_out_button;
1764         ArdourWidgets::ArdourButton   zoom_out_full_button;
1765
1766         ArdourWidgets::ArdourButton   tav_expand_button;
1767         ArdourWidgets::ArdourButton   tav_shrink_button;
1768         ArdourWidgets::ArdourDropdown visible_tracks_selector;
1769         ArdourWidgets::ArdourDropdown zoom_preset_selector;
1770
1771         int32_t                   _visible_track_count;
1772         void build_track_count_menu ();
1773         void set_visible_track_count (int32_t);
1774
1775         void set_zoom_preset(int64_t);
1776
1777         Gtk::VBox                toolbar_clock_vbox;
1778         Gtk::VBox                toolbar_selection_clock_vbox;
1779         Gtk::Table               toolbar_selection_clock_table;
1780         Gtk::Label               toolbar_selection_cursor_label;
1781
1782         ArdourWidgets::ArdourButton mouse_select_button;
1783         ArdourWidgets::ArdourButton mouse_draw_button;
1784         ArdourWidgets::ArdourButton mouse_move_button;
1785         ArdourWidgets::ArdourButton mouse_timefx_button;
1786         ArdourWidgets::ArdourButton mouse_content_button;
1787         ArdourWidgets::ArdourButton mouse_audition_button;
1788         ArdourWidgets::ArdourButton mouse_cut_button;
1789
1790         ArdourWidgets::ArdourButton smart_mode_button;
1791         Glib::RefPtr<Gtk::ToggleAction> smart_mode_action;
1792
1793         void                     mouse_mode_toggled (Editing::MouseMode m);
1794         void                     mouse_mode_object_range_toggled ();
1795         bool                     ignore_mouse_mode_toggle;
1796
1797         bool                     mouse_select_button_release (GdkEventButton*);
1798
1799         Glib::RefPtr<Gtk::Action> get_mouse_mode_action (Editing::MouseMode m) const;
1800
1801         Gtk::VBox                automation_box;
1802         Gtk::Button              automation_mode_button;
1803
1804         //edit mode menu stuff
1805         ArdourWidgets::ArdourDropdown   edit_mode_selector;
1806         void edit_mode_selection_done (ARDOUR::EditMode);
1807         void build_edit_mode_menu ();
1808         Gtk::VBox edit_mode_box;
1809
1810         void set_edit_mode (ARDOUR::EditMode);
1811         void cycle_edit_mode ();
1812
1813         ArdourWidgets::ArdourDropdown grid_type_selector;
1814         void build_grid_type_menu ();
1815
1816         ArdourWidgets::ArdourButton snap_mode_button;
1817         bool snap_mode_button_clicked (GdkEventButton*);
1818
1819         Gtk::HBox snap_box;
1820
1821         Gtk::HBox ebox_hpacker;
1822         Gtk::VBox ebox_vpacker;
1823
1824         Gtk::HBox _box;
1825
1826         std::vector<std::string> grid_type_strings;
1827         std::vector<std::string> snap_mode_strings;
1828
1829         void grid_type_selection_done (Editing::GridType);
1830         void snap_mode_selection_done (Editing::SnapMode);
1831         void snap_mode_chosen (Editing::SnapMode);
1832         void grid_type_chosen (Editing::GridType);
1833
1834         Glib::RefPtr<Gtk::RadioAction> grid_type_action (Editing::GridType);
1835         Glib::RefPtr<Gtk::RadioAction> snap_mode_action (Editing::SnapMode);
1836
1837         //zoom focus meu stuff
1838         ArdourWidgets::ArdourDropdown   zoom_focus_selector;
1839         void zoom_focus_selection_done (Editing::ZoomFocus);
1840         void build_zoom_focus_menu ();
1841         std::vector<std::string> zoom_focus_strings;
1842
1843         void zoom_focus_chosen (Editing::ZoomFocus);
1844
1845         Glib::RefPtr<Gtk::RadioAction> zoom_focus_action (Editing::ZoomFocus);
1846
1847         Gtk::HBox _track_box;
1848
1849         Gtk::HBox _zoom_box;
1850         void zoom_adjustment_changed();
1851
1852         void setup_toolbar ();
1853
1854         void setup_tooltips ();
1855
1856         Gtk::HBox toolbar_hbox;
1857
1858         void setup_midi_toolbar ();
1859
1860         /* selection process */
1861
1862         Selection* selection;
1863         Selection* cut_buffer;
1864         SelectionMemento* _selection_memento;
1865
1866         void time_selection_changed ();
1867         void track_selection_changed ();
1868         void update_time_selection_display ();
1869         void presentation_info_changed (PBD::PropertyChange const &);
1870         void region_selection_changed ();
1871         sigc::connection editor_regions_selection_changed_connection;
1872         void sensitize_all_region_actions (bool);
1873         void sensitize_the_right_region_actions (bool because_canvas_crossing);
1874         bool _all_region_actions_sensitized;
1875         /** Flag to block region action handlers from doing what they normally do;
1876          *  I tried Gtk::Action::block_activate() but this doesn't work (ie it doesn't
1877          *  block) when setting a ToggleAction's active state.
1878          */
1879         bool _ignore_region_action;
1880         bool _last_region_menu_was_main;
1881         void point_selection_changed ();
1882         void marker_selection_changed ();
1883
1884         bool _track_selection_change_without_scroll;
1885         bool _editor_track_selection_change_without_scroll;
1886
1887         void cancel_selection ();
1888         void cancel_time_selection ();
1889
1890         bool get_smart_mode() const;
1891
1892         bool audio_region_selection_covers (samplepos_t where);
1893
1894         /* transport range select process */
1895
1896         ArdourCanvas::Rectangle* cd_marker_bar_drag_rect;
1897         ArdourCanvas::Rectangle* range_bar_drag_rect;
1898         ArdourCanvas::Rectangle* transport_bar_drag_rect;
1899         ArdourCanvas::Rectangle* transport_bar_range_rect;
1900         ArdourCanvas::Rectangle* transport_bar_preroll_rect;
1901         ArdourCanvas::Rectangle* transport_bar_postroll_rect;
1902         ArdourCanvas::Rectangle* transport_loop_range_rect;
1903         ArdourCanvas::Rectangle* transport_punch_range_rect;
1904         ArdourCanvas::Line*      transport_punchin_line;
1905         ArdourCanvas::Line*      transport_punchout_line;
1906         ArdourCanvas::Rectangle* transport_preroll_rect;
1907         ArdourCanvas::Rectangle* transport_postroll_rect;
1908
1909         ARDOUR::Location* transport_loop_location();
1910         ARDOUR::Location* transport_punch_location();
1911
1912         ARDOUR::Location* temp_location;
1913
1914         /* object rubberband select process */
1915
1916         void select_all_within (samplepos_t, samplepos_t, double, double, TrackViewList const &, Selection::Operation, bool);
1917
1918         ArdourCanvas::Rectangle* rubberband_rect;
1919
1920         EditorRouteGroups* _route_groups;
1921         EditorRoutes*      _routes;
1922         EditorRegions*     _regions;
1923         EditorSources*     _sources;
1924         EditorSnapshots*   _snapshots;
1925         EditorLocations*   _locations;
1926
1927         /* diskstream/route display management */
1928         Glib::RefPtr<Gdk::Pixbuf> rec_enabled_icon;
1929         Glib::RefPtr<Gdk::Pixbuf> rec_disabled_icon;
1930
1931         Glib::RefPtr<Gtk::TreeSelection> route_display_selection;
1932
1933         bool sync_track_view_list_and_routes ();
1934
1935         Gtk::VBox list_vpacker;
1936
1937         /* autoscrolling */
1938
1939         sigc::connection autoscroll_connection;
1940         bool autoscroll_horizontal_allowed;
1941         bool autoscroll_vertical_allowed;
1942         uint32_t autoscroll_cnt;
1943         Gtk::Widget* autoscroll_widget;
1944         ArdourCanvas::Rect autoscroll_boundary;
1945
1946         bool autoscroll_canvas ();
1947         void start_canvas_autoscroll (bool allow_horiz, bool allow_vert, const ArdourCanvas::Rect& boundary);
1948         void stop_canvas_autoscroll ();
1949
1950         /* trimming */
1951         void point_trim (GdkEvent*, samplepos_t);
1952
1953         void trim_region_front();
1954         void trim_region_back();
1955         void trim_region (bool front);
1956
1957         void trim_region_to_loop ();
1958         void trim_region_to_punch ();
1959         void trim_region_to_location (const ARDOUR::Location&, const char* cmd);
1960
1961         void trim_to_region(bool forward);
1962         void trim_region_to_previous_region_end();
1963         void trim_region_to_next_region_start();
1964
1965         bool show_gain_after_trim;
1966
1967         /* Drag-n-Drop */
1968
1969         int convert_drop_to_paths (
1970                 std::vector<std::string>&           paths,
1971                 const Glib::RefPtr<Gdk::DragContext>& context,
1972                 gint                                  x,
1973                 gint                                  y,
1974                 const Gtk::SelectionData&             data,
1975                 guint                                 info,
1976                 guint                                 time);
1977
1978         void track_canvas_drag_data_received (
1979                 const Glib::RefPtr<Gdk::DragContext>& context,
1980                 gint                                  x,
1981                 gint                                  y,
1982                 const Gtk::SelectionData&             data,
1983                 guint                                 info,
1984                 guint                                 time);
1985
1986         void drop_paths (
1987                 const Glib::RefPtr<Gdk::DragContext>& context,
1988                 gint                                  x,
1989                 gint                                  y,
1990                 const Gtk::SelectionData&             data,
1991                 guint                                 info,
1992                 guint                                 time);
1993
1994         void drop_regions (
1995                 const Glib::RefPtr<Gdk::DragContext>& context,
1996                 gint                                  x,
1997                 gint                                  y,
1998                 const Gtk::SelectionData&             data,
1999                 guint                                 info,
2000                 guint                                 time,
2001                 bool                                  from_region_list);
2002
2003         void drop_routes (
2004                 const Glib::RefPtr<Gdk::DragContext>& context,
2005                 gint                x,
2006                 gint                y,
2007                 const Gtk::SelectionData& data,
2008                 guint               info,
2009                 guint               time);
2010
2011         /* audio export */
2012
2013         int  write_region_selection(RegionSelection&);
2014         bool write_region (std::string path, boost::shared_ptr<ARDOUR::AudioRegion>);
2015         void bounce_region_selection (bool with_processing);
2016         void bounce_range_selection (bool replace, bool enable_processing);
2017         void external_edit_region ();
2018
2019         int write_audio_selection (TimeSelection&);
2020         bool write_audio_range (ARDOUR::AudioPlaylist&, const ARDOUR::ChanCount& channels, std::list<ARDOUR::AudioRange>&);
2021
2022         void write_selection ();
2023
2024         uint32_t selection_op_cmd_depth;
2025         uint32_t selection_op_history_it;
2026
2027         std::list<XMLNode*> selection_op_history; /* used in *_reversible_selection_op */
2028         std::list<XMLNode*> before; /* used in *_reversible_command */
2029
2030         void update_title ();
2031         void update_title_s (const std::string & snapshot_name);
2032
2033         void instant_save ();
2034         bool no_save_instant;
2035
2036         boost::shared_ptr<ARDOUR::AudioRegion> last_audition_region;
2037
2038         /* freeze operations */
2039
2040         ARDOUR::InterThreadInfo freeze_status;
2041         static void* _freeze_thread (void*);
2042         void* freeze_thread ();
2043
2044         void freeze_route ();
2045         void unfreeze_route ();
2046
2047         /* duplication */
2048
2049         void duplicate_range (bool with_dialog);
2050         void duplicate_regions (float times);
2051
2052         /** computes the timeline sample (sample) of an event whose coordinates
2053          * are in canvas units (pixels, scroll offset included).
2054          */
2055         samplepos_t canvas_event_sample (GdkEvent const*, double* px = 0, double* py = 0) const;
2056
2057         /** computes the timeline sample (sample) of an event whose coordinates
2058          * are in window units (pixels, no scroll offset).
2059          */
2060         samplepos_t window_event_sample (GdkEvent const*, double* px = 0, double* py = 0) const;
2061
2062         /* returns false if mouse pointer is not in track or marker canvas
2063          */
2064         bool mouse_sample (samplepos_t&, bool& in_track_canvas) const;
2065
2066         TimeFXDialog* current_timefx;
2067         static void* timefx_thread (void* arg);
2068         void do_timefx ();
2069
2070         int time_stretch (RegionSelection&, float fraction);
2071         int pitch_shift (RegionSelection&, float cents);
2072         void pitch_shift_region ();
2073
2074         /* editor-mixer strip */
2075
2076         MixerStrip *current_mixer_strip;
2077         bool show_editor_mixer_when_tracks_arrive;
2078         Gtk::VBox current_mixer_strip_vbox;
2079         void cms_new (boost::shared_ptr<ARDOUR::Route>);
2080         void current_mixer_strip_hidden ();
2081
2082 #ifdef __APPLE__
2083         void ensure_all_elements_drawn ();
2084 #endif
2085         /* nudging tracks */
2086
2087         void nudge_track (bool use_edit_point, bool forwards);
2088
2089         static const int32_t default_width = 995;
2090         static const int32_t default_height = 765;
2091
2092         /* nudge */
2093
2094         ArdourWidgets::ArdourButton      nudge_forward_button;
2095         ArdourWidgets::ArdourButton      nudge_backward_button;
2096         Gtk::HBox        nudge_hbox;
2097         Gtk::VBox        nudge_vbox;
2098         AudioClock*       nudge_clock;
2099
2100         bool nudge_forward_release (GdkEventButton*);
2101         bool nudge_backward_release (GdkEventButton*);
2102
2103         /* audio filters */
2104
2105         void apply_filter (ARDOUR::Filter&, std::string cmd, ProgressReporter* progress = 0);
2106
2107         Command* apply_midi_note_edit_op_to_region (ARDOUR::MidiOperator& op, MidiRegionView& mrv);
2108         void apply_midi_note_edit_op (ARDOUR::MidiOperator& op, const RegionSelection& rs);
2109
2110         /* handling cleanup */
2111
2112         int playlist_deletion_dialog (boost::shared_ptr<ARDOUR::Playlist>);
2113
2114         PBD::ScopedConnectionList session_connections;
2115
2116         /* tracking step changes of track height */
2117
2118         TimeAxisView* current_stepping_trackview;
2119         ARDOUR::microseconds_t last_track_height_step_timestamp;
2120         gint track_height_step_timeout();
2121         sigc::connection step_timeout;
2122
2123         TimeAxisView* entered_track;
2124         /** If the mouse is over a RegionView or one of its child canvas items, this is set up
2125             to point to the RegionView.  Otherwise it is 0.
2126         */
2127         RegionView*   entered_regionview;
2128
2129         std::vector<EnterContext> _enter_stack;
2130
2131         bool clear_entered_track;
2132         bool left_track_canvas (GdkEventCrossing*);
2133         bool entered_track_canvas (GdkEventCrossing*);
2134         void set_entered_track (TimeAxisView*);
2135         void set_entered_regionview (RegionView*);
2136         gint left_automation_track ();
2137
2138         void reset_canvas_action_sensitivity (bool);
2139         void set_gain_envelope_visibility ();
2140         void set_region_gain_visibility (RegionView*);
2141         void toggle_gain_envelope_active ();
2142         void reset_region_gain_envelopes ();
2143
2144         void session_state_saved (std::string);
2145
2146         Glib::RefPtr<Gtk::Action>              undo_action;
2147         Glib::RefPtr<Gtk::Action>              redo_action;
2148         Glib::RefPtr<Gtk::Action>              alternate_redo_action;
2149         Glib::RefPtr<Gtk::Action>              alternate_alternate_redo_action;
2150         Glib::RefPtr<Gtk::Action>              selection_undo_action;
2151         Glib::RefPtr<Gtk::Action>              selection_redo_action;
2152
2153         void history_changed ();
2154
2155         Editing::EditPoint _edit_point;
2156
2157         ArdourWidgets::ArdourDropdown edit_point_selector;
2158         void build_edit_point_menu();
2159
2160         void set_edit_point_preference (Editing::EditPoint ep, bool force = false);
2161         void cycle_edit_point (bool with_marker);
2162         void set_edit_point ();
2163         void edit_point_selection_done (Editing::EditPoint);
2164         void edit_point_chosen (Editing::EditPoint);
2165         Glib::RefPtr<Gtk::RadioAction> edit_point_action (Editing::EditPoint);
2166         std::vector<std::string> edit_point_strings;
2167         std::vector<std::string> edit_mode_strings;
2168
2169         void selected_marker_moved (ARDOUR::Location*);
2170
2171         bool get_edit_op_range (samplepos_t& start, samplepos_t& end) const;
2172
2173         void get_regions_at (RegionSelection&, samplepos_t where, const TrackViewList& ts) const;
2174         void get_regions_after (RegionSelection&, samplepos_t where, const TrackViewList& ts) const;
2175
2176         RegionSelection get_regions_from_selection_and_edit_point (Editing::EditIgnoreOption = Editing::EDIT_IGNORE_NONE,
2177                                                                    bool use_context_click = false,
2178                                                                    bool from_outside_canvas = false);
2179         RegionSelection get_regions_from_selection_and_entered () const;
2180
2181         void start_updating_meters ();
2182         void stop_updating_meters ();
2183         bool meters_running;
2184
2185         void select_next_stripable (bool routes_only = true);
2186         void select_prev_stripable (bool routes_only = true);
2187
2188         ARDOUR::MusicSample snap_to_minsec (ARDOUR::MusicSample start,
2189                                             ARDOUR::RoundMode   direction,
2190                                             ARDOUR::SnapPref    gpref);
2191
2192         ARDOUR::MusicSample snap_to_cd_frames (ARDOUR::MusicSample start,
2193                                                ARDOUR::RoundMode   direction,
2194                                                ARDOUR::SnapPref    gpref);
2195
2196         ARDOUR::MusicSample snap_to_bbt (ARDOUR::MusicSample start,
2197                                          ARDOUR::RoundMode   direction,
2198                                          ARDOUR::SnapPref    gpref);
2199
2200         ARDOUR::MusicSample snap_to_timecode (ARDOUR::MusicSample start,
2201                                               ARDOUR::RoundMode   direction,
2202                                               ARDOUR::SnapPref    gpref);
2203
2204         ARDOUR::MusicSample snap_to_grid (ARDOUR::MusicSample start,
2205                                           ARDOUR::RoundMode   direction,
2206                                           ARDOUR::SnapPref    gpref);
2207
2208         void snap_to_internal (ARDOUR::MusicSample& first,
2209                                ARDOUR::RoundMode    direction = ARDOUR::RoundNearest,
2210                                ARDOUR::SnapPref     gpref = ARDOUR::SnapToAny_Visual,
2211                                bool                 ensure_snap = false);
2212
2213         samplepos_t snap_to_marker (samplepos_t       presnap,
2214                                     ARDOUR::RoundMode direction = ARDOUR::RoundNearest);
2215
2216         RhythmFerret* rhythm_ferret;
2217
2218         void fit_tracks (TrackViewList &);
2219         void fit_selection ();
2220         void set_track_height (Height);
2221
2222         void _remove_tracks ();
2223         bool idle_remove_tracks ();
2224         void toggle_tracks_active ();
2225
2226         bool _have_idled;
2227         int resize_idle_id;
2228         static gboolean _idle_resize (gpointer);
2229         bool idle_resize();
2230         int32_t _pending_resize_amount;
2231         TimeAxisView* _pending_resize_view;
2232
2233         void visible_order_range (int*, int*) const;
2234
2235         void located ();
2236
2237         /** true if we've made a locate request that hasn't yet been processed */
2238         bool _pending_locate_request;
2239
2240         /** if true, there is a pending Session locate which is the initial one when loading a session;
2241             we need to know this so that we don't (necessarily) set the viewport to show the playhead
2242             initially.
2243         */
2244         bool _pending_initial_locate;
2245
2246         Gtk::HBox _summary_hbox;
2247         EditorSummary* _summary;
2248
2249         void region_view_added (RegionView*);
2250         void region_view_removed ();
2251
2252         EditorGroupTabs* _group_tabs;
2253         void fit_route_group (ARDOUR::RouteGroup*);
2254
2255         void step_edit_status_change (bool);
2256         void start_step_editing ();
2257         void stop_step_editing ();
2258         bool check_step_edit ();
2259         sigc::connection step_edit_connection;
2260
2261         double _last_motion_y;
2262
2263         RegionLayeringOrderEditor* layering_order_editor;
2264         void update_region_layering_order_editor ();
2265
2266         /** Track that was the source for the last cut/copy operation.  Used as a place
2267             to paste things iff there is no selected track.
2268         */
2269         TimeAxisView* _last_cut_copy_source_track;
2270
2271         /** true if a change in Selection->regions should change the selection in the region list.
2272             See EditorRegions::selection_changed.
2273         */
2274         bool _region_selection_change_updates_region_list;
2275
2276         void setup_fade_images ();
2277         std::map<ARDOUR::FadeShape, Gtk::Image*> _xfade_in_images;
2278         std::map<ARDOUR::FadeShape, Gtk::Image*> _xfade_out_images;
2279
2280         Gtk::MenuItem& action_menu_item (std::string const &);
2281         void action_pre_activated (Glib::RefPtr<Gtk::Action> const &);
2282
2283         MouseCursors* _cursors;
2284
2285         void follow_mixer_selection ();
2286         bool _following_mixer_selection;
2287
2288         int time_fx (ARDOUR::RegionList&, float val, bool pitching);
2289         void note_edit_done (int, EditNoteDialog*);
2290         void toggle_sound_midi_notes ();
2291
2292         /** Flag for a bit of a hack wrt control point selection; see set_selected_control_point_from_click */
2293         bool _control_point_toggled_on_press;
2294
2295         /** This is used by TimeAxisView to keep a track of the TimeAxisView that is currently being
2296             stepped in height using ScrollZoomVerticalModifier+Scrollwheel.  When a scroll event
2297             occurs, we do the step on this _stepping_axis_view if it is non-0 (and we set up this
2298             _stepping_axis_view with the TimeAxisView underneath the mouse if it is 0).  Then Editor
2299             resets _stepping_axis_view when the modifier key is released.  In this (hacky) way,
2300             pushing the modifier key and moving the scroll wheel will operate on the same track
2301             until the key is released (rather than skipping about to whatever happens to be
2302             underneath the mouse at the time).
2303         */
2304         TimeAxisView* _stepping_axis_view;
2305         void zoom_vertical_modifier_released();
2306
2307         void bring_in_callback (Gtk::Label*, uint32_t n, uint32_t total, std::string name);
2308         void update_bring_in_message (Gtk::Label* label, uint32_t n, uint32_t total, std::string name);
2309         void bring_all_sources_into_session ();
2310
2311         QuantizeDialog* quantize_dialog;
2312         MainMenuDisabler* _main_menu_disabler;
2313
2314         /* private helper functions to help with registering region actions */
2315
2316         Glib::RefPtr<Gtk::Action> register_region_action (Glib::RefPtr<Gtk::ActionGroup> group, Editing::RegionActionTarget, char const* name, char const* label, sigc::slot<void> slot);
2317         void register_toggle_region_action (Glib::RefPtr<Gtk::ActionGroup> group, Editing::RegionActionTarget, char const* name, char const* label, sigc::slot<void> slot);
2318
2319         Glib::RefPtr<Gtk::Action> reg_sens (Glib::RefPtr<Gtk::ActionGroup> group, char const* name, char const* label, sigc::slot<void> slot);
2320         void toggle_reg_sens (Glib::RefPtr<Gtk::ActionGroup> group, char const* name, char const* label, sigc::slot<void> slot);
2321         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);
2322
2323         friend class Drag;
2324         friend class RegionCutDrag;
2325         friend class RegionDrag;
2326         friend class RegionMoveDrag;
2327         friend class RegionSpliceDrag;
2328         friend class RegionRippleDrag;
2329         friend class TrimDrag;
2330         friend class BBTRulerDrag;
2331         friend class MeterMarkerDrag;
2332         friend class TempoMarkerDrag;
2333         friend class CursorDrag;
2334         friend class FadeInDrag;
2335         friend class FadeOutDrag;
2336         friend class MarkerDrag;
2337         friend class RegionGainDrag;
2338         friend class ControlPointDrag;
2339         friend class LineDrag;
2340         friend class RubberbandSelectDrag;
2341         friend class EditorRubberbandSelectDrag;
2342         friend class TimeFXDrag;
2343         friend class ScrubDrag;
2344         friend class SelectionDrag;
2345         friend class RangeMarkerBarDrag;
2346         friend class MouseZoomDrag;
2347         friend class RegionCreateDrag;
2348         friend class RegionMotionDrag;
2349         friend class RegionInsertDrag;
2350         friend class VideoTimeLineDrag;
2351
2352         friend class EditorSummary;
2353         friend class EditorGroupTabs;
2354
2355         friend class EditorRoutes;
2356         friend class RhythmFerret;
2357 };
2358
2359 #endif /* __ardour_editor_h__ */