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         MixerStrip* get_current_mixer_strip () const {
 493                 return current_mixer_strip;
 494         }
 495
 496         DragManager* drags () const {
 497                 return _drags;
 498         }
 499
 500         bool drag_active () const;
 501         bool preview_video_drag_active () const;
 502
 503         void maybe_autoscroll (bool, bool, bool);
 504         bool autoscroll_active() const;
 505
 506         Gdk::Cursor* get_canvas_cursor () const;
 507
 508         void set_current_trimmable (boost::shared_ptr<ARDOUR::Trimmable>);
 509         void set_current_movable (boost::shared_ptr<ARDOUR::Movable>);
 510
 511         MouseCursors const* cursors () const {
 512                 return _cursors;
 513         }
 514
 515         VerboseCursor* verbose_cursor () const {
 516                 return _verbose_cursor;
 517         }
 518
 519         double clamp_verbose_cursor_x (double);
 520         double clamp_verbose_cursor_y (double);
 521
 522         void get_pointer_position (double &, double &) const;
 523
 524         /** Context for mouse entry (stored in a stack). */
 525         struct EnterContext {
 526                 ItemType                         item_type;
 527                 boost::shared_ptr<CursorContext> cursor_ctx;
 528         };
 529
 530         /** Get the topmost enter context for the given item type.
 531          *
 532          * This is used to change the cursor associated with a given enter context,
 533          * which may not be on the top of the stack.
 534          */
 535         EnterContext* get_enter_context(ItemType type);
 536
 537         TimeAxisView* stepping_axis_view () {
 538                 return _stepping_axis_view;
 539         }
 540
 541         void set_stepping_axis_view (TimeAxisView* v) {
 542                 _stepping_axis_view = v;
 543         }
 544
 545         ArdourCanvas::Container* get_trackview_group () const { return _trackview_group; }
 546         ArdourCanvas::Container* get_noscroll_group () const { return no_scroll_group; }
 547         ArdourCanvas::ScrollGroup* get_hscroll_group () const { return h_scroll_group; }
 548         ArdourCanvas::ScrollGroup* get_hvscroll_group () const { return hv_scroll_group; }
 549         ArdourCanvas::ScrollGroup* get_cursor_scroll_group () const { return cursor_scroll_group; }
 550         ArdourCanvas::Container* get_drag_motion_group () const { return _drag_motion_group; }
 551
 552         ArdourCanvas::GtkCanvasViewport* get_track_canvas () const;
 553
 554         void override_visible_track_count ();
 555
 556         /* Ruler metrics methods */
 557
 558         void metric_get_timecode (std::vector<ArdourCanvas::Ruler::Mark>&, gdouble, gdouble, gint);
 559         void metric_get_bbt (std::vector<ArdourCanvas::Ruler::Mark>&, gdouble, gdouble, gint);
 560         void metric_get_samples (std::vector<ArdourCanvas::Ruler::Mark>&, gdouble, gdouble, gint);
 561         void metric_get_minsec (std::vector<ArdourCanvas::Ruler::Mark>&, gdouble, gdouble, gint);
 562
 563         /* editing operations that need to be public */
 564         void mouse_add_new_marker (samplepos_t where, bool is_cd=false);
 565         void split_regions_at (ARDOUR::MusicSample, RegionSelection&);
 566         void split_region_at_points (boost::shared_ptr<ARDOUR::Region>, ARDOUR::AnalysisFeatureList&, bool can_ferret, bool select_new = false);
 567         RegionSelection get_regions_from_selection_and_mouse (samplepos_t);
 568
 569         void mouse_add_new_tempo_event (samplepos_t where);
 570         void mouse_add_new_meter_event (samplepos_t where);
 571         void edit_tempo_section (ARDOUR::TempoSection*);
 572         void edit_meter_section (ARDOUR::MeterSection*);
 573
 574 protected:
 575         void map_transport_state ();
 576         void map_position_change (samplepos_t);
 577         void transport_looped ();
 578
 579         void on_realize();
 580
 581         void suspend_route_redisplay ();
 582         void resume_route_redisplay ();
 583
 584 private:
 585
 586         void color_handler ();
 587
 588         bool                 constructed;
 589
 590         // to keep track of the playhead position for control_scroll
 591         boost::optional<samplepos_t> _control_scroll_target;
 592
 593         PlaylistSelector* _playlist_selector;
 594
 595         TimeInfoBox*      _time_info_box;
 596
 597         typedef std::pair<TimeAxisView*,XMLNode*> TAVState;
 598
 599         struct VisualState {
 600                 VisualState (bool with_tracks);
 601                 ~VisualState ();
 602                 double              y_position;
 603                 samplecnt_t         samples_per_pixel;
 604                 samplepos_t        _leftmost_sample;
 605                 Editing::ZoomFocus  zoom_focus;
 606                 GUIObjectState*     gui_state;
 607         };
 608
 609         std::list<VisualState*> undo_visual_stack;
 610         std::list<VisualState*> redo_visual_stack;
 611         VisualState* current_visual_state (bool with_tracks = true);
 612         void undo_visual_state ();
 613         void redo_visual_state ();
 614         void use_visual_state (VisualState&);
 615         bool no_save_visual;
 616         void swap_visual_state ();
 617
 618         std::vector<VisualState*> visual_states;
 619         void start_visual_state_op (uint32_t n);
 620         void cancel_visual_state_op (uint32_t n);
 621
 622         samplepos_t       _leftmost_sample;
 623         samplecnt_t        samples_per_pixel;
 624         Editing::ZoomFocus zoom_focus;
 625
 626         void set_samples_per_pixel (samplecnt_t);
 627         void on_samples_per_pixel_changed ();
 628
 629         Editing::MouseMode mouse_mode;
 630         Editing::GridType  pre_internal_grid_type;
 631         Editing::SnapMode  pre_internal_snap_mode;
 632         Editing::GridType  internal_grid_type;
 633         Editing::SnapMode  internal_snap_mode;
 634         Editing::MouseMode effective_mouse_mode () const;
 635
 636         enum JoinObjectRangeState {
 637                 JOIN_OBJECT_RANGE_NONE,
 638                 /** `join object/range' mode is active and the mouse is over a place where object mode should happen */
 639                 JOIN_OBJECT_RANGE_OBJECT,
 640                 /** `join object/range' mode is active and the mouse is over a place where range mode should happen */
 641                 JOIN_OBJECT_RANGE_RANGE
 642         };
 643
 644         JoinObjectRangeState _join_object_range_state;
 645
 646         void update_join_object_range_location (double);
 647
 648         boost::optional<float>  pre_notebook_shrink_pane_width;
 649
 650         Gtk::VBox _editor_list_vbox;
 651         Gtk::Notebook _the_notebook;
 652         bool _notebook_shrunk;
 653         void add_notebook_page (std::string const&, Gtk::Widget&);
 654         bool notebook_tab_clicked (GdkEventButton*, Gtk::Widget*);
 655
 656         ArdourWidgets::HPane edit_pane;
 657         ArdourWidgets::VPane editor_summary_pane;
 658
 659         Gtk::EventBox meter_base;
 660         Gtk::EventBox marker_base;
 661         Gtk::HBox     marker_box;
 662         Gtk::VBox     scrollers_rulers_markers_box;
 663
 664         void location_changed (ARDOUR::Location*);
 665         void location_flags_changed (ARDOUR::Location*);
 666         void refresh_location_display ();
 667         void refresh_location_display_internal (const ARDOUR::Locations::LocationList&);
 668         void add_new_location (ARDOUR::Location*);
 669         ArdourCanvas::Container* add_new_location_internal (ARDOUR::Location*);
 670         void location_gone (ARDOUR::Location*);
 671         void remove_marker (ArdourCanvas::Item&, GdkEvent*);
 672         gint really_remove_marker (ARDOUR::Location* loc);
 673         void goto_nth_marker (int nth);
 674         void trigger_script (int nth);
 675         void trigger_script_by_name (const std::string script_name);
 676         void toggle_marker_lines ();
 677         void set_marker_line_visibility (bool);
 678
 679         void jump_forward_to_mark ();
 680         void jump_backward_to_mark ();
 681
 682         uint32_t location_marker_color;
 683         uint32_t location_range_color;
 684         uint32_t location_loop_color;
 685         uint32_t location_punch_color;
 686         uint32_t location_cd_marker_color;
 687
 688         struct LocationMarkers {
 689                 ArdourMarker* start;
 690                 ArdourMarker* end;
 691                 bool    valid;
 692
 693                 LocationMarkers () : start(0), end(0), valid (true) {}
 694
 695                 ~LocationMarkers ();
 696
 697                 void hide ();
 698                 void show ();
 699
 700                 void set_show_lines (bool);
 701                 void set_selected (bool);
 702                 void canvas_height_set (double);
 703                 void setup_lines ();
 704
 705                 void set_name (const std::string&);
 706                 void set_position (samplepos_t start, samplepos_t end = 0);
 707                 void set_color_rgba (uint32_t);
 708         };
 709
 710         LocationMarkers*  find_location_markers (ARDOUR::Location*) const;
 711         ARDOUR::Location* find_location_from_marker (ArdourMarker*, bool& is_start) const;
 712         ArdourMarker* find_marker_from_location_id (PBD::ID const&, bool) const;
 713         ArdourMarker* entered_marker;
 714         bool _show_marker_lines;
 715
 716         typedef std::map<ARDOUR::Location*,LocationMarkers*> LocationMarkerMap;
 717         LocationMarkerMap location_markers;
 718
 719         void update_marker_labels ();
 720         void update_marker_labels (ArdourCanvas::Container*);
 721         void check_marker_label (ArdourMarker*);
 722
 723         /** A set of lists of Markers that are in each of the canvas groups
 724          *  for the marker sections at the top of the editor.  These lists
 725          *  are kept sorted in time order between marker movements, so that after
 726          *  a marker has moved we can decide whether we need to update the labels
 727          *  for all markers or for just a few.
 728          */
 729         std::map<ArdourCanvas::Container*, std::list<ArdourMarker*> > _sorted_marker_lists;
 730         void remove_sorted_marker (ArdourMarker*);
 731
 732         void hide_marker (ArdourCanvas::Item*, GdkEvent*);
 733         void clear_marker_display ();
 734         void mouse_add_new_range (samplepos_t);
 735         void mouse_add_new_loop (samplepos_t);
 736         void mouse_add_new_punch (samplepos_t);
 737         bool choose_new_marker_name(std::string &name, bool is_range=false);
 738         void update_cd_marker_display ();
 739         void ensure_cd_marker_updated (LocationMarkers* lam, ARDOUR::Location* location);
 740
 741         TimeAxisView*      clicked_axisview;
 742         RouteTimeAxisView* clicked_routeview;
 743         /** The last RegionView that was clicked on, or 0 if the last click was not
 744          * on a RegionView.  This is set up by the canvas event handlers in
 745          * editor_canvas_events.cc
 746          */
 747         RegionView*        clicked_regionview;
 748         RegionSelection    latest_regionviews;
 749         uint32_t           clicked_selection;
 750         ControlPoint*      clicked_control_point;
 751
 752         void sort_track_selection (TrackViewList&);
 753
 754         void get_equivalent_regions (RegionView* rv, std::vector<RegionView*> &, PBD::PropertyID) const;
 755         RegionSelection get_equivalent_regions (RegionSelection &, PBD::PropertyID) const;
 756         RegionView* regionview_from_region (boost::shared_ptr<ARDOUR::Region>) const;
 757         RouteTimeAxisView* rtav_from_route (boost::shared_ptr<ARDOUR::Route>) const;
 758
 759         void mapover_tracks (sigc::slot<void,RouteTimeAxisView&,uint32_t> sl, TimeAxisView*, PBD::PropertyID) const;
 760         void mapover_tracks_with_unique_playlists (sigc::slot<void,RouteTimeAxisView&,uint32_t> sl, TimeAxisView*, PBD::PropertyID) const;
 761
 762         /* functions to be passed to mapover_tracks(), possibly with sigc::bind()-supplied arguments */
 763         void mapped_get_equivalent_regions (RouteTimeAxisView&, uint32_t, RegionView*, std::vector<RegionView*>*) const;
 764         void mapped_use_new_playlist (RouteTimeAxisView&, uint32_t, std::vector<boost::shared_ptr<ARDOUR::Playlist> > const &);
 765         void mapped_use_copy_playlist (RouteTimeAxisView&, uint32_t, std::vector<boost::shared_ptr<ARDOUR::Playlist> > const &);
 766         void mapped_clear_playlist (RouteTimeAxisView&, uint32_t);
 767
 768         void button_selection (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_type);
 769         bool button_release_can_deselect;
 770         bool _mouse_changed_selection;
 771
 772         void catch_vanishing_regionview (RegionView*);
 773
 774         void set_selected_track (TimeAxisView&, Selection::Operation op = Selection::Set, bool no_remove=false);
 775         void select_all_tracks ();
 776         bool select_all_internal_edit (Selection::Operation);
 777
 778         bool set_selected_control_point_from_click (bool press, Selection::Operation op = Selection::Set);
 779         void set_selected_track_from_click (bool press, Selection::Operation op = Selection::Set, bool no_remove=false);
 780         void set_selected_track_as_side_effect (Selection::Operation op);
 781         bool set_selected_regionview_from_click (bool press, Selection::Operation op = Selection::Set);
 782
 783         bool set_selected_regionview_from_map_event (GdkEventAny*, StreamView*, boost::weak_ptr<ARDOUR::Region>);
 784         void collect_new_region_view (RegionView*);
 785         void collect_and_select_new_region_view (RegionView*);
 786
 787         Gtk::Menu track_context_menu;
 788         Gtk::Menu track_region_context_menu;
 789         Gtk::Menu track_selection_context_menu;
 790
 791         GdkEvent context_click_event;
 792
 793         void popup_track_context_menu (int, int, ItemType, bool);
 794         Gtk::Menu* build_track_context_menu ();
 795         Gtk::Menu* build_track_bus_context_menu ();
 796         Gtk::Menu* build_track_region_context_menu ();
 797         Gtk::Menu* build_track_selection_context_menu ();
 798         void add_dstream_context_items (Gtk::Menu_Helpers::MenuList&);
 799         void add_bus_context_items (Gtk::Menu_Helpers::MenuList&);
 800         void add_region_context_items (Gtk::Menu_Helpers::MenuList&, boost::shared_ptr<ARDOUR::Track>);
 801         void add_selection_context_items (Gtk::Menu_Helpers::MenuList&);
 802         Gtk::MenuItem* _popup_region_menu_item;
 803
 804         void popup_control_point_context_menu (ArdourCanvas::Item*, GdkEvent*);
 805         Gtk::Menu _control_point_context_menu;
 806
 807         void popup_note_context_menu (ArdourCanvas::Item*, GdkEvent*);
 808         Gtk::Menu _note_context_menu;
 809
 810         void add_stripables (ARDOUR::StripableList&);
 811         void add_routes (ARDOUR::RouteList&);
 812         void timeaxisview_deleted (TimeAxisView*);
 813         void add_vcas (ARDOUR::VCAList&);
 814
 815         Gtk::HBox global_hpacker;
 816         Gtk::VBox global_vpacker;
 817
 818         /* Cursor stuff.  Do not use directly, use via CursorContext. */
 819         friend class CursorContext;
 820         std::vector<Gdk::Cursor*> _cursor_stack;
 821         void set_canvas_cursor (Gdk::Cursor*);
 822         size_t push_canvas_cursor (Gdk::Cursor*);
 823         void pop_canvas_cursor ();
 824
 825         Gdk::Cursor* which_track_cursor () const;
 826         Gdk::Cursor* which_mode_cursor () const;
 827         Gdk::Cursor* which_trim_cursor (bool left_side) const;
 828         Gdk::Cursor* which_canvas_cursor (ItemType type) const;
 829
 830         /** Push the appropriate enter/cursor context on item entry. */
 831         void choose_canvas_cursor_on_entry (ItemType);
 832
 833         /** Update all enter cursors based on current settings. */
 834         void update_all_enter_cursors ();
 835
 836         ArdourCanvas::GtkCanvas* _track_canvas;
 837         ArdourCanvas::GtkCanvasViewport* _track_canvas_viewport;
 838
 839         bool within_track_canvas;
 840
 841         friend class VerboseCursor;
 842         VerboseCursor* _verbose_cursor;
 843
 844         void parameter_changed (std::string);
 845         void ui_parameter_changed (std::string);
 846
 847         Gtk::EventBox            time_bars_event_box;
 848         Gtk::VBox                time_bars_vbox;
 849
 850         ArdourCanvas::Container* tempo_group;
 851         ArdourCanvas::Container* meter_group;
 852         ArdourCanvas::Container* marker_group;
 853         ArdourCanvas::Container* range_marker_group;
 854         ArdourCanvas::Container* transport_marker_group;
 855         ArdourCanvas::Container* cd_marker_group;
 856
 857         /* parent for groups which themselves contain time markers */
 858         ArdourCanvas::Container* _time_markers_group;
 859
 860         /* The group containing all other groups that are scrolled vertically
 861            and horizontally.
 862         */
 863         ArdourCanvas::ScrollGroup* hv_scroll_group;
 864
 865         /* The group containing all other groups that are scrolled horizontally ONLY
 866         */
 867         ArdourCanvas::ScrollGroup* h_scroll_group;
 868
 869         /* Scroll group for cursors, scrolled horizontally, above everything else
 870         */
 871         ArdourCanvas::ScrollGroup* cursor_scroll_group;
 872
 873         /* The group containing all trackviews. */
 874         ArdourCanvas::Container* no_scroll_group;
 875
 876         /* The group containing all trackviews. */
 877         ArdourCanvas::Container* _trackview_group;
 878
 879         /* The group holding things (mostly regions) while dragging so they
 880          * are on top of everything else
 881          */
 882         ArdourCanvas::Container* _drag_motion_group;
 883
 884         /* a rect that sits at the bottom of all tracks to act as a drag-no-drop/clickable
 885          * target area.
 886          */
 887         ArdourCanvas::Rectangle* _canvas_drop_zone;
 888         bool canvas_drop_zone_event (GdkEvent* event);
 889
 890         Glib::RefPtr<Gtk::ToggleAction> ruler_timecode_action;
 891         Glib::RefPtr<Gtk::ToggleAction> ruler_bbt_action;
 892         Glib::RefPtr<Gtk::ToggleAction> ruler_samples_action;
 893         Glib::RefPtr<Gtk::ToggleAction> ruler_minsec_action;
 894         Glib::RefPtr<Gtk::ToggleAction> ruler_tempo_action;
 895         Glib::RefPtr<Gtk::ToggleAction> ruler_meter_action;
 896         Glib::RefPtr<Gtk::ToggleAction> ruler_marker_action;
 897         Glib::RefPtr<Gtk::ToggleAction> ruler_range_action;
 898         Glib::RefPtr<Gtk::ToggleAction> ruler_loop_punch_action;
 899         Glib::RefPtr<Gtk::ToggleAction> ruler_cd_marker_action;
 900         bool                            no_ruler_shown_update;
 901
 902         Gtk::Widget* ruler_grabbed_widget;
 903
 904         RulerDialog* ruler_dialog;
 905
 906         void initialize_rulers ();
 907         void update_just_timecode ();
 908         void compute_fixed_ruler_scale (); //calculates the RulerScale of the fixed rulers
 909         void update_fixed_rulers ();
 910         void update_tempo_based_rulers ();
 911         void popup_ruler_menu (samplepos_t where = 0, ItemType type = RegionItem);
 912         void update_ruler_visibility ();
 913         void toggle_ruler_visibility ();
 914         void ruler_toggled (int);
 915         bool ruler_label_button_release (GdkEventButton*);
 916         void store_ruler_visibility ();
 917         void restore_ruler_visibility ();
 918         void show_rulers_for_grid ();
 919
 920         enum MinsecRulerScale {
 921                 minsec_show_msecs,
 922                 minsec_show_seconds,
 923                 minsec_show_minutes,
 924                 minsec_show_hours,
 925                 minsec_show_many_hours
 926         };
 927
 928         MinsecRulerScale minsec_ruler_scale;
 929
 930         samplecnt_t minsec_mark_interval;
 931         gint minsec_mark_modulo;
 932         gint minsec_nmarks;
 933         void set_minsec_ruler_scale (samplepos_t, samplepos_t);
 934
 935         enum TimecodeRulerScale {
 936                 timecode_show_bits,
 937                 timecode_show_samples,
 938                 timecode_show_seconds,
 939                 timecode_show_minutes,
 940                 timecode_show_hours,
 941                 timecode_show_many_hours
 942         };
 943
 944         TimecodeRulerScale timecode_ruler_scale;
 945
 946         gint timecode_mark_modulo;
 947         gint timecode_nmarks;
 948         void set_timecode_ruler_scale (samplepos_t, samplepos_t);
 949
 950         samplecnt_t _samples_ruler_interval;
 951         void set_samples_ruler_scale (samplepos_t, samplepos_t);
 952
 953         enum BBTRulerScale {
 954                 bbt_show_many,
 955                 bbt_show_64,
 956                 bbt_show_16,
 957                 bbt_show_4,
 958                 bbt_show_1,
 959                 bbt_show_quarters,
 960                 bbt_show_eighths,
 961                 bbt_show_sixteenths,
 962                 bbt_show_thirtyseconds
 963         };
 964
 965         BBTRulerScale bbt_ruler_scale;
 966
 967         uint32_t bbt_bars;
 968         gint bbt_nmarks;
 969         uint32_t bbt_bar_helper_on;
 970         uint32_t bbt_accent_modulo;
 971         void compute_bbt_ruler_scale (samplepos_t lower, samplepos_t upper);
 972
 973         ArdourCanvas::Ruler* timecode_ruler;
 974         ArdourCanvas::Ruler* bbt_ruler;
 975         ArdourCanvas::Ruler* samples_ruler;
 976         ArdourCanvas::Ruler* minsec_ruler;
 977
 978         static double timebar_height;
 979         guint32 visible_timebars;
 980         Gtk::Menu* editor_ruler_menu;
 981
 982         ArdourCanvas::Rectangle* tempo_bar;
 983         ArdourCanvas::Rectangle* meter_bar;
 984         ArdourCanvas::Rectangle* marker_bar;
 985         ArdourCanvas::Rectangle* range_marker_bar;
 986         ArdourCanvas::Rectangle* transport_marker_bar;
 987         ArdourCanvas::Rectangle* cd_marker_bar;
 988
 989         Gtk::Label  minsec_label;
 990         Gtk::Label  bbt_label;
 991         Gtk::Label  timecode_label;
 992         Gtk::Label  samples_label;
 993         Gtk::Label  tempo_label;
 994         Gtk::Label  meter_label;
 995         Gtk::Label  mark_label;
 996         Gtk::Label  range_mark_label;
 997         Gtk::Label  transport_mark_label;
 998         Gtk::Label  cd_mark_label;
 999
1000         /* videtimline related actions */
1001         Gtk::Label                videotl_label;
1002         ArdourCanvas::Container*      videotl_group;
1003         Glib::RefPtr<Gtk::ToggleAction> ruler_video_action;
1004         Glib::RefPtr<Gtk::ToggleAction> xjadeo_proc_action;
1005         Glib::RefPtr<Gtk::ToggleAction> xjadeo_ontop_action;
1006         Glib::RefPtr<Gtk::ToggleAction> xjadeo_timecode_action;
1007         Glib::RefPtr<Gtk::ToggleAction> xjadeo_frame_action;
1008         Glib::RefPtr<Gtk::ToggleAction> xjadeo_osdbg_action;
1009         Glib::RefPtr<Gtk::ToggleAction> xjadeo_fullscreen_action;
1010         Glib::RefPtr<Gtk::ToggleAction> xjadeo_letterbox_action;
1011         Glib::RefPtr<Gtk::Action> xjadeo_zoom_100;
1012         void set_xjadeo_proc ();
1013         void toggle_xjadeo_proc (int state=-1);
1014         void set_close_video_sensitive (bool onoff);
1015         void set_xjadeo_sensitive (bool onoff);
1016         void set_xjadeo_viewoption (int);
1017         void toggle_xjadeo_viewoption (int what, int state=-1);
1018         void toggle_ruler_video (bool onoff) {ruler_video_action->set_active(onoff);}
1019         int videotl_bar_height; /* in units of timebar_height; default: 4 */
1020         int get_videotl_bar_height () const { return videotl_bar_height; }
1021         void toggle_region_video_lock ();
1022
1023         friend class EditorCursor;
1024
1025         EditorCursor* snapped_cursor;
1026
1027         EditorCursor* playhead_cursor;
1028         samplepos_t playhead_cursor_sample () const;
1029
1030         samplepos_t get_region_boundary (samplepos_t pos, int32_t dir, bool with_selection, bool only_onscreen);
1031
1032         void    cursor_to_region_boundary (bool with_selection, int32_t dir);
1033         void    cursor_to_next_region_boundary (bool with_selection);
1034         void    cursor_to_previous_region_boundary (bool with_selection);
1035         void    cursor_to_next_region_point (EditorCursor*, ARDOUR::RegionPoint);
1036         void    cursor_to_previous_region_point (EditorCursor*, ARDOUR::RegionPoint);
1037         void    cursor_to_region_point (EditorCursor*, ARDOUR::RegionPoint, int32_t dir);
1038         void    cursor_to_selection_start (EditorCursor*);
1039         void    cursor_to_selection_end   (EditorCursor*);
1040
1041         void    selected_marker_to_region_boundary (bool with_selection, int32_t dir);
1042         void    selected_marker_to_next_region_boundary (bool with_selection);
1043         void    selected_marker_to_previous_region_boundary (bool with_selection);
1044         void    selected_marker_to_next_region_point (ARDOUR::RegionPoint);
1045         void    selected_marker_to_previous_region_point (ARDOUR::RegionPoint);
1046         void    selected_marker_to_region_point (ARDOUR::RegionPoint, int32_t dir);
1047         void    selected_marker_to_selection_start ();
1048         void    selected_marker_to_selection_end   ();
1049
1050         void    select_all_selectables_using_cursor (EditorCursor*, bool);
1051         void    select_all_selectables_using_edit (bool, bool);
1052         void    select_all_selectables_between (bool within);
1053         void    select_range_between ();
1054
1055         boost::shared_ptr<ARDOUR::Region> find_next_region (ARDOUR::samplepos_t, ARDOUR::RegionPoint, int32_t dir, TrackViewList&, TimeAxisView** = 0);
1056         ARDOUR::samplepos_t find_next_region_boundary (ARDOUR::samplepos_t, int32_t dir, const TrackViewList&);
1057
1058         std::vector<ARDOUR::samplepos_t> region_boundary_cache;
1059         void mark_region_boundary_cache_dirty () { _region_boundary_cache_dirty = true; }
1060         void build_region_boundary_cache ();
1061         bool    _region_boundary_cache_dirty;
1062
1063         Gtk::HBox           toplevel_hpacker;
1064
1065         Gtk::HBox           bottom_hbox;
1066
1067         Gtk::Table          edit_packer;
1068
1069         /** the adjustment that controls the overall editor vertical scroll position */
1070         Gtk::Adjustment     vertical_adjustment;
1071         Gtk::Adjustment     horizontal_adjustment;
1072
1073         Gtk::Adjustment     unused_adjustment; // yes, really; Gtk::Layout constructor requires refs
1074         Gtk::Layout         controls_layout;
1075         bool control_layout_scroll (GdkEventScroll* ev);
1076         void reset_controls_layout_width ();
1077         void reset_controls_layout_height (int32_t height);
1078
1079         enum Direction {
1080                 LEFT,
1081                 RIGHT,
1082                 UP,
1083                 DOWN
1084         };
1085
1086         bool scroll_press (Direction);
1087         void scroll_release ();
1088         sigc::connection _scroll_connection;
1089         int _scroll_callbacks;
1090
1091         double _visible_canvas_width;
1092         double _visible_canvas_height; ///< height of the visible area of the track canvas
1093         double _full_canvas_height;    ///< full height of the canvas
1094
1095         bool track_canvas_map_handler (GdkEventAny*);
1096
1097         bool edit_controls_button_release (GdkEventButton*);
1098         Gtk::Menu* edit_controls_left_menu;
1099         Gtk::Menu* edit_controls_right_menu;
1100
1101         Gtk::VBox           track_canvas_vbox;
1102         Gtk::VBox           edit_controls_vbox;
1103         Gtk::HBox           edit_controls_hbox;
1104
1105         void control_vertical_zoom_in_all ();
1106         void control_vertical_zoom_out_all ();
1107         void control_vertical_zoom_in_selected ();
1108         void control_vertical_zoom_out_selected ();
1109         void control_step_tracks_up ();
1110         void control_step_tracks_down ();
1111         void control_view (uint32_t);
1112         void control_scroll (float);
1113         void control_select (boost::shared_ptr<ARDOUR::Stripable>, Selection::Operation);
1114         void control_unselect ();
1115         void access_action (const std::string&, const std::string&);
1116         void set_toggleaction (const std::string&, const std::string&, bool);
1117         bool deferred_control_scroll (samplepos_t);
1118         sigc::connection control_scroll_connection;
1119
1120         void tie_vertical_scrolling ();
1121         void set_horizontal_position (double);
1122         double horizontal_position () const;
1123
1124         struct VisualChange {
1125                 enum Type {
1126                         TimeOrigin = 0x1,
1127                         ZoomLevel = 0x2,
1128                         YOrigin = 0x4,
1129                         VideoTimeline = 0x8
1130                 };
1131
1132                 Type        pending;
1133                 samplepos_t time_origin;
1134                 samplecnt_t samples_per_pixel;
1135                 double      y_origin;
1136
1137                 int idle_handler_id;
1138                 /** true if we are currently in the idle handler */
1139                 bool being_handled;
1140
1141                 VisualChange() : pending ((VisualChange::Type) 0), time_origin (0), samples_per_pixel (0), idle_handler_id (-1), being_handled (false) {}
1142                 void add (Type t) {
1143                         pending = Type (pending | t);
1144                 }
1145         };
1146
1147         VisualChange pending_visual_change;
1148         bool visual_change_queued;
1149
1150         void pre_render ();
1151
1152         static int _idle_visual_changer (void* arg);
1153         int idle_visual_changer ();
1154         void visual_changer (const VisualChange&);
1155         void ensure_visual_change_idle_handler ();
1156
1157         /* track views */
1158         TrackViewList track_views;
1159         std::pair<TimeAxisView*, double> trackview_by_y_position (double, bool trackview_relative_offset = true) const;
1160
1161         AxisView* axis_view_by_stripable (boost::shared_ptr<ARDOUR::Stripable>) const;
1162         AxisView* axis_view_by_control (boost::shared_ptr<ARDOUR::AutomationControl>) const;
1163
1164         TimeAxisView* time_axis_view_from_stripable (boost::shared_ptr<ARDOUR::Stripable> s) const {
1165                 return dynamic_cast<TimeAxisView*> (axis_view_by_stripable (s));
1166         }
1167
1168         TrackViewList get_tracks_for_range_action () const;
1169
1170         sigc::connection super_rapid_screen_update_connection;
1171         void center_screen_internal (samplepos_t, float);
1172
1173         void super_rapid_screen_update ();
1174
1175         int64_t _last_update_time;
1176         double _err_screen_engine;
1177
1178         void session_going_away ();
1179
1180         samplepos_t cut_buffer_start;
1181         samplecnt_t cut_buffer_length;
1182
1183         boost::shared_ptr<CursorContext> _press_cursor_ctx;  ///< Button press cursor context
1184
1185         boost::weak_ptr<ARDOUR::Trimmable> _trimmable;
1186         boost::weak_ptr<ARDOUR::Movable> _movable;
1187
1188         bool typed_event (ArdourCanvas::Item*, GdkEvent*, ItemType);
1189         bool button_press_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1190         bool button_press_handler_1 (ArdourCanvas::Item*, GdkEvent*, ItemType);
1191         bool button_press_handler_2 (ArdourCanvas::Item*, GdkEvent*, ItemType);
1192         bool button_release_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1193         bool button_double_click_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1194         bool button_press_dispatch (GdkEventButton*);
1195         bool button_release_dispatch (GdkEventButton*);
1196         bool motion_handler (ArdourCanvas::Item*, GdkEvent*, bool from_autoscroll = false);
1197         bool enter_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1198         bool leave_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1199         bool key_press_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1200         bool key_release_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1201
1202         Gtkmm2ext::Bindings* button_bindings;
1203         XMLNode* button_settings () const;
1204
1205         /* KEYMAP HANDLING */
1206
1207         void register_actions ();
1208         void register_region_actions ();
1209
1210         void load_bindings ();
1211
1212         /* CUT/COPY/PASTE */
1213
1214         samplepos_t last_paste_pos;
1215         unsigned    paste_count;
1216
1217         void cut_copy (Editing::CutCopyOp);
1218         bool can_cut_copy () const;
1219         void cut_copy_points (Editing::CutCopyOp, Temporal::Beats earliest=Temporal::Beats(), bool midi=false);
1220         void cut_copy_regions (Editing::CutCopyOp, RegionSelection&);
1221         void cut_copy_ranges (Editing::CutCopyOp);
1222         void cut_copy_midi (Editing::CutCopyOp);
1223
1224         void mouse_paste ();
1225         void paste_internal (samplepos_t position, float times, const int32_t sub_num);
1226
1227         /* EDITING OPERATIONS */
1228
1229         void reset_point_selection ();
1230         void toggle_region_lock ();
1231         void toggle_opaque_region ();
1232         void toggle_record_enable ();
1233         void toggle_solo ();
1234         void toggle_solo_isolate ();
1235         void toggle_mute ();
1236         void toggle_region_lock_style ();
1237
1238         void play_solo_selection (bool restart);
1239
1240         enum LayerOperation {
1241                 Raise,
1242                 RaiseToTop,
1243                 Lower,
1244                 LowerToBottom
1245         };
1246
1247         void do_layer_operation (LayerOperation);
1248         void raise_region ();
1249         void raise_region_to_top ();
1250         void change_region_layering_order (bool from_context_menu);
1251         void lower_region ();
1252         void lower_region_to_bottom ();
1253         void split_region_at_transients ();
1254         void crop_region_to_selection ();
1255         void crop_region_to (samplepos_t start, samplepos_t end);
1256         void set_sync_point (samplepos_t, const RegionSelection&);
1257         void set_region_sync_position ();
1258         void remove_region_sync();
1259         void align_regions (ARDOUR::RegionPoint);
1260         void align_regions_relative (ARDOUR::RegionPoint point);
1261         void align_region (boost::shared_ptr<ARDOUR::Region>, ARDOUR::RegionPoint point, samplepos_t position);
1262         void align_region_internal (boost::shared_ptr<ARDOUR::Region>, ARDOUR::RegionPoint point, samplepos_t position);
1263         void recover_regions (ARDOUR::RegionList);
1264         void remove_selected_regions ();
1265         void remove_clicked_region ();
1266         void show_region_properties ();
1267         void show_midi_list_editor ();
1268         void rename_region ();
1269         void duplicate_some_regions (RegionSelection&, float times);
1270         void duplicate_selection (float times);
1271         void region_fill_selection ();
1272         void combine_regions ();
1273         void uncombine_regions ();
1274
1275         void region_fill_track ();
1276         void audition_playlist_region_standalone (boost::shared_ptr<ARDOUR::Region>);
1277         void split_multichannel_region();
1278         void reverse_region ();
1279         void strip_region_silence ();
1280         void normalize_region ();
1281         void reset_region_scale_amplitude ();
1282         void adjust_region_gain (bool up);
1283         void reset_region_gain ();
1284         void quantize_region ();
1285         void quantize_regions (const RegionSelection& rs);
1286         void legatize_region (bool shrink_only);
1287         void legatize_regions (const RegionSelection& rs, bool shrink_only);
1288         void transform_region ();
1289         void transform_regions (const RegionSelection& rs);
1290         void transpose_region ();
1291         void transpose_regions (const RegionSelection& rs);
1292         void insert_patch_change (bool from_context);
1293         void fork_region ();
1294
1295         void do_insert_time ();
1296         void insert_time (samplepos_t, samplecnt_t, Editing::InsertTimeOption, bool, bool, bool, bool, bool, bool);
1297
1298         void do_remove_time ();
1299         void remove_time (samplepos_t pos, samplecnt_t distance, Editing::InsertTimeOption opt, bool ignore_music_glue, bool markers_too,
1300                         bool glued_markers_too, bool locked_markers_too, bool tempo_too);
1301
1302         void tab_to_transient (bool forward);
1303
1304         void set_tempo_from_region ();
1305         void use_range_as_bar ();
1306
1307         void define_one_bar (samplepos_t start, samplepos_t end);
1308
1309         void audition_region_from_region_list ();
1310
1311         void naturalize_region ();
1312
1313         void split_region ();
1314
1315         void delete_ ();
1316         void cut ();
1317         void copy ();
1318         void paste (float times, bool from_context_menu);
1319
1320         void place_transient ();
1321         void remove_transient (ArdourCanvas::Item* item);
1322         void snap_regions_to_grid ();
1323         void close_region_gaps ();
1324
1325         void keyboard_paste ();
1326
1327         void region_from_selection ();
1328         void create_region_from_selection (std::vector<boost::shared_ptr<ARDOUR::Region> >&);
1329
1330         void play_from_start ();
1331         void play_from_edit_point ();
1332         void play_from_edit_point_and_return ();
1333         void play_selected_region ();
1334         void play_edit_range ();
1335         void play_location (ARDOUR::Location&);
1336         void loop_location (ARDOUR::Location&);
1337
1338         void calc_extra_zoom_edges(samplepos_t &start, samplepos_t &end);
1339         void temporal_zoom_selection (Editing::ZoomAxis);
1340         void temporal_zoom_session ();
1341         void temporal_zoom_extents ();
1342         void temporal_zoom (samplecnt_t samples_per_pixel);
1343         void temporal_zoom_by_sample (samplepos_t start, samplepos_t end);
1344         void temporal_zoom_to_sample (bool coarser, samplepos_t sample);
1345
1346         void insert_source_list_selection (float times);
1347
1348         /* import & embed */
1349
1350         void add_external_audio_action (Editing::ImportMode);
1351
1352         int  check_whether_and_how_to_import(std::string, bool all_or_nothing = true);
1353         bool check_multichannel_status (const std::vector<std::string>& paths);
1354
1355         SoundFileOmega* sfbrowser;
1356
1357         void bring_in_external_audio (Editing::ImportMode mode,  samplepos_t& pos);
1358
1359         bool  idle_drop_paths  (std::vector<std::string> paths, samplepos_t sample, double ypos, bool copy);
1360         void  drop_paths_part_two  (const std::vector<std::string>& paths, samplepos_t sample, double ypos, bool copy);
1361
1362         int import_sndfiles (std::vector<std::string>              paths,
1363                              Editing::ImportDisposition            disposition,
1364                              Editing::ImportMode                   mode,
1365                              ARDOUR::SrcQuality                    quality,
1366                              samplepos_t&                          pos,
1367                              int                                   target_regions,
1368                              int                                   target_tracks,
1369                              boost::shared_ptr<ARDOUR::Track>&     track,
1370                              bool                                  replace,
1371                              boost::shared_ptr<ARDOUR::PluginInfo> instrument = boost::shared_ptr<ARDOUR::PluginInfo>());
1372
1373         int embed_sndfiles (std::vector<std::string>              paths,
1374                             bool                                  multiple_files,
1375                             bool&                                 check_sample_rate,
1376                             Editing::ImportDisposition            disposition,
1377                             Editing::ImportMode                   mode,
1378                             samplepos_t&                          pos,
1379                             int                                   target_regions,
1380                             int                                   target_tracks,
1381                             boost::shared_ptr<ARDOUR::Track>&     track,
1382                             boost::shared_ptr<ARDOUR::PluginInfo> instrument = boost::shared_ptr<ARDOUR::PluginInfo>());
1383
1384         int add_sources (std::vector<std::string>              paths,
1385                          ARDOUR::SourceList&                   sources,
1386                          samplepos_t&                          pos,
1387                          Editing::ImportDisposition            disposition,
1388                          Editing::ImportMode                   mode,
1389                          int                                   target_regions,
1390                          int                                   target_tracks,
1391                          boost::shared_ptr<ARDOUR::Track>&     track,
1392                          bool                                  add_channel_suffix,
1393                          boost::shared_ptr<ARDOUR::PluginInfo> instrument = boost::shared_ptr<ARDOUR::PluginInfo>());
1394
1395         int finish_bringing_in_material (boost::shared_ptr<ARDOUR::Region>     region,
1396                                          uint32_t                              in_chans,
1397                                          uint32_t                              out_chans,
1398                                          samplepos_t&                          pos,
1399                                          Editing::ImportMode                   mode,
1400                                          boost::shared_ptr<ARDOUR::Track>&     existing_track,
1401                                          const std::string&                    new_track_name,
1402                                          boost::shared_ptr<ARDOUR::PluginInfo> instrument);
1403
1404         boost::shared_ptr<ARDOUR::AudioTrack> get_nth_selected_audio_track (int nth) const;
1405         boost::shared_ptr<ARDOUR::MidiTrack> get_nth_selected_midi_track (int nth) const;
1406
1407         void toggle_midi_input_active (bool flip_others);
1408
1409         ARDOUR::InterThreadInfo* current_interthread_info;
1410
1411         AnalysisWindow* analysis_window;
1412
1413         /* import & embed */
1414         void external_audio_dialog ();
1415         void session_import_dialog ();
1416
1417         /* PT import specific */
1418         void external_pt_dialog ();
1419         ARDOUR::ImportStatus import_pt_status;
1420         static void*_import_pt_thread (void*);
1421         void* import_pt_thread ();
1422         PTFFormat import_ptf;
1423
1424         /* import specific info */
1425
1426         struct EditorImportStatus : public ARDOUR::ImportStatus {
1427             Editing::ImportMode mode;
1428             samplepos_t pos;
1429             int target_tracks;
1430             int target_regions;
1431             boost::shared_ptr<ARDOUR::Track> track;
1432             bool replace;
1433         };
1434
1435         EditorImportStatus import_status;
1436         static void*_import_thread (void*);
1437         void* import_thread ();
1438         void finish_import ();
1439
1440         /* to support this ... */
1441
1442         void import_audio (bool as_tracks);
1443         void do_import (std::vector<std::string> paths, bool split, bool as_tracks);
1444         void import_smf_tempo_map (Evoral::SMF const &, samplepos_t pos);
1445         void move_to_start ();
1446         void move_to_end ();
1447         void center_playhead ();
1448         void center_edit_point ();
1449         void playhead_forward_to_grid ();
1450         void playhead_backward_to_grid ();
1451         void scroll_playhead (bool forward);
1452         void scroll_backward (float pages=0.8f);
1453         void scroll_forward (float pages=0.8f);
1454         void scroll_tracks_down ();
1455         void scroll_tracks_up ();
1456         void set_mark ();
1457         void clear_markers ();
1458         void clear_ranges ();
1459         void clear_locations ();
1460         void unhide_markers ();
1461         void unhide_ranges ();
1462         void cursor_align (bool playhead_to_edit);
1463         void toggle_skip_playback ();
1464
1465         void remove_last_capture ();
1466
1467         void tag_last_capture ();
1468         void tag_selected_region ();
1469         void tag_regions (ARDOUR::RegionList);
1470
1471         void select_all_selectables_using_time_selection ();
1472         void select_all_selectables_using_loop();
1473         void select_all_selectables_using_punch();
1474         void set_selection_from_range (ARDOUR::Location&);
1475         void set_selection_from_punch ();
1476         void set_selection_from_loop ();
1477         void set_selection_from_region ();
1478
1479         void add_location_mark (samplepos_t where);
1480         void add_location_from_region ();
1481         void add_locations_from_region ();
1482         void add_location_from_selection ();
1483         void set_loop_from_selection (bool play);
1484         void set_punch_from_selection ();
1485         void set_punch_from_region ();
1486         void set_auto_punch_range();
1487
1488         void set_session_start_from_playhead ();
1489         void set_session_end_from_playhead ();
1490         void set_session_extents_from_selection ();
1491
1492         void set_loop_from_region (bool play);
1493
1494         void set_loop_range (samplepos_t start, samplepos_t end, std::string cmd);
1495         void set_punch_range (samplepos_t start, samplepos_t end, std::string cmd);
1496
1497         void toggle_location_at_playhead_cursor ();
1498         void add_location_from_playhead_cursor ();
1499         bool do_remove_location_at_playhead_cursor ();
1500         void remove_location_at_playhead_cursor ();
1501         bool select_new_marker;
1502
1503         void reverse_selection ();
1504         void edit_envelope ();
1505
1506         double last_scrub_x;
1507         int scrubbing_direction;
1508         int scrub_reversals;
1509         int scrub_reverse_distance;
1510         void scrub (samplepos_t, double);
1511
1512         void set_punch_start_from_edit_point ();
1513         void set_punch_end_from_edit_point ();
1514         void set_loop_start_from_edit_point ();
1515         void set_loop_end_from_edit_point ();
1516
1517         void keyboard_selection_begin (Editing::EditIgnoreOption = Editing::EDIT_IGNORE_NONE);
1518         void keyboard_selection_finish (bool add, Editing::EditIgnoreOption = Editing::EDIT_IGNORE_NONE);
1519         bool have_pending_keyboard_selection;
1520         samplepos_t pending_keyboard_selection_start;
1521
1522         void move_range_selection_start_or_end_to_region_boundary (bool, bool);
1523
1524         Editing::GridType _grid_type;
1525         Editing::SnapMode _snap_mode;
1526
1527         bool ignore_gui_changes;
1528
1529         DragManager* _drags;
1530
1531         void escape ();
1532         void lock ();
1533         void unlock ();
1534         Gtk::Dialog* lock_dialog;
1535
1536         struct timeval last_event_time;
1537         bool generic_event_handler (GdkEvent*);
1538         bool lock_timeout_callback ();
1539         void start_lock_event_timing ();
1540
1541         Gtk::Menu fade_context_menu;
1542
1543         Gtk::Menu xfade_in_context_menu;
1544         Gtk::Menu xfade_out_context_menu;
1545         void popup_xfade_in_context_menu (int, int, ArdourCanvas::Item*, ItemType);
1546         void popup_xfade_out_context_menu (int, int, ArdourCanvas::Item*, ItemType);
1547         void fill_xfade_menu (Gtk::Menu_Helpers::MenuList& items, bool start);
1548
1549         void set_fade_in_shape (ARDOUR::FadeShape);
1550         void set_fade_out_shape (ARDOUR::FadeShape);
1551
1552         void set_fade_length (bool in);
1553         void set_fade_in_active (bool);
1554         void set_fade_out_active (bool);
1555
1556         void fade_range ();
1557
1558         std::set<boost::shared_ptr<ARDOUR::Playlist> > motion_frozen_playlists;
1559
1560         bool _dragging_playhead;
1561         bool _dragging_edit_point;
1562
1563         void marker_drag_motion_callback (GdkEvent*);
1564         void marker_drag_finished_callback (GdkEvent*);
1565
1566         gint mouse_rename_region (ArdourCanvas::Item*, GdkEvent*);
1567
1568         void add_region_drag (ArdourCanvas::Item*, GdkEvent*, RegionView*);
1569         void start_create_region_grab (ArdourCanvas::Item*, GdkEvent*);
1570         void add_region_copy_drag (ArdourCanvas::Item*, GdkEvent*, RegionView*);
1571         void add_region_brush_drag (ArdourCanvas::Item*, GdkEvent*, RegionView*);
1572         void start_selection_grab (ArdourCanvas::Item*, GdkEvent*);
1573
1574         void region_view_item_click (AudioRegionView&, GdkEventButton*);
1575
1576         bool can_remove_control_point (ArdourCanvas::Item*);
1577         void remove_control_point (ArdourCanvas::Item*);
1578
1579         void mouse_brush_insert_region (RegionView*, samplepos_t pos);
1580
1581         /* Canvas event handlers */
1582
1583         bool canvas_scroll_event (GdkEventScroll* event, bool from_canvas);
1584         bool canvas_control_point_event (GdkEvent* event,ArdourCanvas::Item*, ControlPoint*);
1585         bool canvas_line_event (GdkEvent* event,ArdourCanvas::Item*, AutomationLine*);
1586         bool canvas_selection_rect_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1587         bool canvas_selection_start_trim_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1588         bool canvas_selection_end_trim_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1589         bool canvas_start_xfade_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1590         bool canvas_end_xfade_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1591         bool canvas_fade_in_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1592         bool canvas_fade_in_handle_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*, bool trim = false);
1593         bool canvas_fade_out_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1594         bool canvas_fade_out_handle_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*, bool trim = false);
1595         bool canvas_region_view_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1596         bool canvas_wave_view_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1597         bool canvas_frame_handle_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1598         bool canvas_region_view_name_highlight_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1599         bool canvas_region_view_name_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1600         bool canvas_feature_line_event (GdkEvent* event, ArdourCanvas::Item*, RegionView*);
1601         bool canvas_stream_view_event (GdkEvent* event,ArdourCanvas::Item*, RouteTimeAxisView*);
1602         bool canvas_marker_event (GdkEvent* event,ArdourCanvas::Item*, ArdourMarker*);
1603         bool canvas_tempo_marker_event (GdkEvent* event,ArdourCanvas::Item*, TempoMarker*);
1604         bool canvas_tempo_curve_event (GdkEvent* event,ArdourCanvas::Item*, TempoCurve*);
1605         bool canvas_meter_marker_event (GdkEvent* event,ArdourCanvas::Item*, MeterMarker*);
1606         bool canvas_automation_track_event(GdkEvent* event, ArdourCanvas::Item*, AutomationTimeAxisView*);
1607         bool canvas_note_event (GdkEvent* event, ArdourCanvas::Item*);
1608
1609         bool canvas_ruler_event (GdkEvent* event, ArdourCanvas::Item*, ItemType);
1610         bool canvas_tempo_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1611         bool canvas_meter_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1612         bool canvas_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1613         bool canvas_range_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1614         bool canvas_transport_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1615         bool canvas_cd_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1616
1617         bool canvas_videotl_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1618         void update_video_timeline (bool flush = false);
1619         void set_video_timeline_height (const int);
1620         bool is_video_timeline_locked ();
1621         void toggle_video_timeline_locked ();
1622         void set_video_timeline_locked (const bool);
1623         void queue_visual_videotimeline_update ();
1624         void embed_audio_from_video (std::string, samplepos_t n = 0, bool lock_position_to_video = true);
1625
1626         bool track_selection_change_without_scroll () const {
1627                 return _track_selection_change_without_scroll;
1628         }
1629
1630         PBD::Signal0<void> EditorFreeze;
1631         PBD::Signal0<void> EditorThaw;
1632
1633 private:
1634         friend class DragManager;
1635         friend class EditorRouteGroups;
1636         friend class EditorRegions;
1637         friend class EditorSources;
1638
1639         /* non-public event handlers */
1640
1641         bool canvas_playhead_cursor_event (GdkEvent* event, ArdourCanvas::Item*);
1642         bool track_canvas_scroll (GdkEventScroll* event);
1643
1644         bool track_canvas_button_press_event (GdkEventButton* event);
1645         bool track_canvas_button_release_event (GdkEventButton* event);
1646         bool track_canvas_motion_notify_event (GdkEventMotion* event);
1647
1648         Gtk::Allocation _canvas_viewport_allocation;
1649         void track_canvas_viewport_allocate (Gtk::Allocation alloc);
1650         void track_canvas_viewport_size_allocated ();
1651         bool track_canvas_drag_motion (Glib::RefPtr<Gdk::DragContext> const &, int, int, guint);
1652         bool track_canvas_key_press (GdkEventKey*);
1653         bool track_canvas_key_release (GdkEventKey*);
1654
1655         void set_playhead_cursor ();
1656
1657         void toggle_region_mute ();
1658
1659         void initialize_canvas ();
1660
1661         /* display control */
1662
1663         /// true if the editor should follow the playhead, otherwise false
1664         bool _follow_playhead;
1665         /// true if we scroll the tracks rather than the playhead
1666         bool _stationary_playhead;
1667         /// true if we are in fullscreen mode
1668         bool _maximised;
1669
1670         std::vector<ArdourCanvas::Ruler::Mark> grid_marks;
1671         GridLines* grid_lines;
1672
1673         ArdourCanvas::Container* global_rect_group;
1674         ArdourCanvas::Container* time_line_group;
1675
1676         void hide_grid_lines ();
1677         void maybe_draw_grid_lines ();
1678
1679         void new_tempo_section ();
1680
1681         void remove_tempo_marker (ArdourCanvas::Item*);
1682         void remove_meter_marker (ArdourCanvas::Item*);
1683         gint real_remove_tempo_marker (ARDOUR::TempoSection*);
1684         gint real_remove_meter_marker (ARDOUR::MeterSection*);
1685
1686         void edit_tempo_marker (TempoMarker&);
1687         void edit_meter_marker (MeterMarker&);
1688         void edit_control_point (ArdourCanvas::Item*);
1689         void edit_notes (MidiRegionView*);
1690         void edit_region (RegionView*);
1691
1692         void edit_current_meter ();
1693         void edit_current_tempo ();
1694
1695         void marker_menu_edit ();
1696         void marker_menu_remove ();
1697         void marker_menu_rename ();
1698         void rename_marker (ArdourMarker* marker);
1699         void toggle_marker_lock_style ();
1700         void toggle_tempo_clamped ();
1701         void toggle_tempo_type ();
1702         void ramp_to_next_tempo ();
1703         void toggle_marker_menu_lock ();
1704         void toggle_marker_menu_glue ();
1705         void marker_menu_hide ();
1706         void marker_menu_set_origin ();
1707         void marker_menu_loop_range ();
1708         void marker_menu_select_all_selectables_using_range ();
1709         void marker_menu_select_using_range ();
1710         void marker_menu_separate_regions_using_location ();
1711         void marker_menu_play_from ();
1712         void marker_menu_play_range ();
1713         void marker_menu_set_playhead ();
1714         void marker_menu_set_from_playhead ();
1715         void marker_menu_set_from_selection (bool force_regions);
1716         void marker_menu_range_to_next ();
1717         void marker_menu_zoom_to_range ();
1718         void new_transport_marker_menu_set_loop ();
1719         void new_transport_marker_menu_set_punch ();
1720         void update_loop_range_view ();
1721         void update_punch_range_view ();
1722         void new_transport_marker_menu_popdown ();
1723         void marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1724         void tempo_or_meter_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1725         void new_transport_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1726         void build_range_marker_menu (ARDOUR::Location*, bool, bool);
1727         void build_marker_menu (ARDOUR::Location*);
1728         void build_tempo_marker_menu (TempoMarker*, bool);
1729         void build_meter_marker_menu (MeterMarker*, bool);
1730         void build_new_transport_marker_menu ();
1731
1732         void dynamic_cast_marker_object (void*, MeterMarker**, TempoMarker**) const;
1733
1734         Gtk::Menu* tempo_marker_menu;
1735         Gtk::Menu* meter_marker_menu;
1736         Gtk::Menu* marker_menu;
1737         Gtk::Menu* range_marker_menu;
1738         Gtk::Menu* new_transport_marker_menu;
1739         ArdourCanvas::Item* marker_menu_item;
1740
1741         typedef std::list<ArdourMarker*> Marks;
1742         Marks metric_marks;
1743
1744         typedef std::list<TempoCurve*> Curves;
1745         Curves tempo_curves;
1746
1747         void remove_metric_marks ();
1748         void draw_metric_marks (const ARDOUR::Metrics& metrics);
1749
1750         void compute_current_bbt_points (std::vector<ARDOUR::TempoMap::BBTPoint>& grid, samplepos_t left, samplepos_t right);
1751
1752         void tempo_map_changed (const PBD::PropertyChange&);
1753         void tempometric_position_changed (const PBD::PropertyChange&);
1754
1755         void redisplay_grid (bool immediate_redraw);
1756
1757         uint32_t bbt_beat_subdivision;
1758
1759         /* toolbar */
1760
1761         Gtk::ToggleButton editor_mixer_button;
1762         Gtk::ToggleButton editor_list_button;
1763         void editor_mixer_button_toggled ();
1764         void editor_list_button_toggled ();
1765
1766         ArdourWidgets::ArdourButton   zoom_in_button;
1767         ArdourWidgets::ArdourButton   zoom_out_button;
1768         ArdourWidgets::ArdourButton   zoom_out_full_button;
1769
1770         ArdourWidgets::ArdourButton   tav_expand_button;
1771         ArdourWidgets::ArdourButton   tav_shrink_button;
1772         ArdourWidgets::ArdourDropdown visible_tracks_selector;
1773         ArdourWidgets::ArdourDropdown zoom_preset_selector;
1774
1775         int32_t                   _visible_track_count;
1776         void build_track_count_menu ();
1777         void set_visible_track_count (int32_t);
1778
1779         void set_zoom_preset(int64_t);
1780
1781         Gtk::VBox                toolbar_clock_vbox;
1782         Gtk::VBox                toolbar_selection_clock_vbox;
1783         Gtk::Table               toolbar_selection_clock_table;
1784         Gtk::Label               toolbar_selection_cursor_label;
1785
1786         ArdourWidgets::ArdourButton mouse_select_button;
1787         ArdourWidgets::ArdourButton mouse_draw_button;
1788         ArdourWidgets::ArdourButton mouse_move_button;
1789         ArdourWidgets::ArdourButton mouse_timefx_button;
1790         ArdourWidgets::ArdourButton mouse_content_button;
1791         ArdourWidgets::ArdourButton mouse_audition_button;
1792         ArdourWidgets::ArdourButton mouse_cut_button;
1793
1794         ArdourWidgets::ArdourButton smart_mode_button;
1795         Glib::RefPtr<Gtk::ToggleAction> smart_mode_action;
1796
1797         void                     mouse_mode_toggled (Editing::MouseMode m);
1798         void                     mouse_mode_object_range_toggled ();
1799         bool                     ignore_mouse_mode_toggle;
1800
1801         bool                     mouse_select_button_release (GdkEventButton*);
1802
1803         Glib::RefPtr<Gtk::Action> get_mouse_mode_action (Editing::MouseMode m) const;
1804
1805         Gtk::VBox                automation_box;
1806         Gtk::Button              automation_mode_button;
1807
1808         //edit mode menu stuff
1809         ArdourWidgets::ArdourDropdown   edit_mode_selector;
1810         void edit_mode_selection_done (ARDOUR::EditMode);
1811         void build_edit_mode_menu ();
1812         Gtk::VBox edit_mode_box;
1813
1814         void set_edit_mode (ARDOUR::EditMode);
1815         void cycle_edit_mode ();
1816
1817         ArdourWidgets::ArdourDropdown grid_type_selector;
1818         void build_grid_type_menu ();
1819
1820         ArdourWidgets::ArdourButton snap_mode_button;
1821         bool snap_mode_button_clicked (GdkEventButton*);
1822
1823         Gtk::HBox snap_box;
1824
1825         Gtk::HBox ebox_hpacker;
1826         Gtk::VBox ebox_vpacker;
1827
1828         Gtk::HBox _box;
1829
1830         std::vector<std::string> grid_type_strings;
1831         std::vector<std::string> snap_mode_strings;
1832
1833         void grid_type_selection_done (Editing::GridType);
1834         void snap_mode_selection_done (Editing::SnapMode);
1835         void snap_mode_chosen (Editing::SnapMode);
1836         void grid_type_chosen (Editing::GridType);
1837
1838         Glib::RefPtr<Gtk::RadioAction> grid_type_action (Editing::GridType);
1839         Glib::RefPtr<Gtk::RadioAction> snap_mode_action (Editing::SnapMode);
1840
1841         //zoom focus meu stuff
1842         ArdourWidgets::ArdourDropdown   zoom_focus_selector;
1843         void zoom_focus_selection_done (Editing::ZoomFocus);
1844         void build_zoom_focus_menu ();
1845         std::vector<std::string> zoom_focus_strings;
1846
1847         void zoom_focus_chosen (Editing::ZoomFocus);
1848
1849         Glib::RefPtr<Gtk::RadioAction> zoom_focus_action (Editing::ZoomFocus);
1850
1851         Gtk::HBox _track_box;
1852
1853         Gtk::HBox _zoom_box;
1854         void zoom_adjustment_changed();
1855
1856         void setup_toolbar ();
1857
1858         void setup_tooltips ();
1859
1860         Gtk::HBox toolbar_hbox;
1861
1862         void setup_midi_toolbar ();
1863
1864         /* selection process */
1865
1866         Selection* selection;
1867         Selection* cut_buffer;
1868         SelectionMemento* _selection_memento;
1869
1870         void time_selection_changed ();
1871         void track_selection_changed ();
1872         void update_time_selection_display ();
1873         void presentation_info_changed (PBD::PropertyChange const &);
1874         void region_selection_changed ();
1875         sigc::connection editor_regions_selection_changed_connection;
1876         void sensitize_all_region_actions (bool);
1877         void sensitize_the_right_region_actions (bool because_canvas_crossing);
1878         bool _all_region_actions_sensitized;
1879         /** Flag to block region action handlers from doing what they normally do;
1880          *  I tried Gtk::Action::block_activate() but this doesn't work (ie it doesn't
1881          *  block) when setting a ToggleAction's active state.
1882          */
1883         bool _ignore_region_action;
1884         bool _last_region_menu_was_main;
1885         void point_selection_changed ();
1886         void marker_selection_changed ();
1887
1888         bool _track_selection_change_without_scroll;
1889         bool _editor_track_selection_change_without_scroll;
1890
1891         void cancel_selection ();
1892         void cancel_time_selection ();
1893
1894         bool get_smart_mode() const;
1895
1896         bool audio_region_selection_covers (samplepos_t where);
1897
1898         /* transport range select process */
1899
1900         ArdourCanvas::Rectangle* cd_marker_bar_drag_rect;
1901         ArdourCanvas::Rectangle* range_bar_drag_rect;
1902         ArdourCanvas::Rectangle* transport_bar_drag_rect;
1903         ArdourCanvas::Rectangle* transport_bar_range_rect;
1904         ArdourCanvas::Rectangle* transport_bar_preroll_rect;
1905         ArdourCanvas::Rectangle* transport_bar_postroll_rect;
1906         ArdourCanvas::Rectangle* transport_loop_range_rect;
1907         ArdourCanvas::Rectangle* transport_punch_range_rect;
1908         ArdourCanvas::Line*      transport_punchin_line;
1909         ArdourCanvas::Line*      transport_punchout_line;
1910         ArdourCanvas::Rectangle* transport_preroll_rect;
1911         ArdourCanvas::Rectangle* transport_postroll_rect;
1912
1913         ARDOUR::Location* transport_loop_location();
1914         ARDOUR::Location* transport_punch_location();
1915
1916         ARDOUR::Location* temp_location;
1917
1918         /* object rubberband select process */
1919
1920         void select_all_within (samplepos_t, samplepos_t, double, double, TrackViewList const &, Selection::Operation, bool);
1921
1922         ArdourCanvas::Rectangle* rubberband_rect;
1923
1924         EditorRouteGroups* _route_groups;
1925         EditorRoutes*      _routes;
1926         EditorRegions*     _regions;
1927         EditorSources*     _sources;
1928         EditorSnapshots*   _snapshots;
1929         EditorLocations*   _locations;
1930
1931         /* diskstream/route display management */
1932         Glib::RefPtr<Gdk::Pixbuf> rec_enabled_icon;
1933         Glib::RefPtr<Gdk::Pixbuf> rec_disabled_icon;
1934
1935         Glib::RefPtr<Gtk::TreeSelection> route_display_selection;
1936
1937         bool sync_track_view_list_and_routes ();
1938
1939         Gtk::VBox list_vpacker;
1940
1941         /* autoscrolling */
1942
1943         sigc::connection autoscroll_connection;
1944         bool autoscroll_horizontal_allowed;
1945         bool autoscroll_vertical_allowed;
1946         uint32_t autoscroll_cnt;
1947         Gtk::Widget* autoscroll_widget;
1948         ArdourCanvas::Rect autoscroll_boundary;
1949
1950         bool autoscroll_canvas ();
1951         void start_canvas_autoscroll (bool allow_horiz, bool allow_vert, const ArdourCanvas::Rect& boundary);
1952         void stop_canvas_autoscroll ();
1953
1954         /* trimming */
1955         void point_trim (GdkEvent*, samplepos_t);
1956
1957         void trim_region_front();
1958         void trim_region_back();
1959         void trim_region (bool front);
1960
1961         void trim_region_to_loop ();
1962         void trim_region_to_punch ();
1963         void trim_region_to_location (const ARDOUR::Location&, const char* cmd);
1964
1965         void trim_to_region(bool forward);
1966         void trim_region_to_previous_region_end();
1967         void trim_region_to_next_region_start();
1968
1969         bool show_gain_after_trim;
1970
1971         /* Drag-n-Drop */
1972
1973         int convert_drop_to_paths (
1974                 std::vector<std::string>&           paths,
1975                 const Glib::RefPtr<Gdk::DragContext>& context,
1976                 gint                                  x,
1977                 gint                                  y,
1978                 const Gtk::SelectionData&             data,
1979                 guint                                 info,
1980                 guint                                 time);
1981
1982         void track_canvas_drag_data_received (
1983                 const Glib::RefPtr<Gdk::DragContext>& context,
1984                 gint                                  x,
1985                 gint                                  y,
1986                 const Gtk::SelectionData&             data,
1987                 guint                                 info,
1988                 guint                                 time);
1989
1990         void drop_paths (
1991                 const Glib::RefPtr<Gdk::DragContext>& context,
1992                 gint                                  x,
1993                 gint                                  y,
1994                 const Gtk::SelectionData&             data,
1995                 guint                                 info,
1996                 guint                                 time);
1997
1998         void drop_regions (
1999                 const Glib::RefPtr<Gdk::DragContext>& context,
2000                 gint                                  x,
2001                 gint                                  y,
2002                 const Gtk::SelectionData&             data,
2003                 guint                                 info,
2004                 guint                                 time,
2005                 bool                                  from_region_list);
2006
2007         void drop_routes (
2008                 const Glib::RefPtr<Gdk::DragContext>& context,
2009                 gint                x,
2010                 gint                y,
2011                 const Gtk::SelectionData& data,
2012                 guint               info,
2013                 guint               time);
2014
2015         /* audio export */
2016
2017         int  write_region_selection(RegionSelection&);
2018         bool write_region (std::string path, boost::shared_ptr<ARDOUR::AudioRegion>);
2019         void bounce_region_selection (bool with_processing);
2020         void bounce_range_selection (bool replace, bool enable_processing);
2021         void external_edit_region ();
2022
2023         int write_audio_selection (TimeSelection&);
2024         bool write_audio_range (ARDOUR::AudioPlaylist&, const ARDOUR::ChanCount& channels, std::list<ARDOUR::AudioRange>&);
2025
2026         void write_selection ();
2027
2028         uint32_t selection_op_cmd_depth;
2029         uint32_t selection_op_history_it;
2030
2031         std::list<XMLNode*> selection_op_history; /* used in *_reversible_selection_op */
2032         std::list<XMLNode*> before; /* used in *_reversible_command */
2033
2034         void update_title ();
2035         void update_title_s (const std::string & snapshot_name);
2036
2037         void instant_save ();
2038         bool no_save_instant;
2039
2040         boost::shared_ptr<ARDOUR::AudioRegion> last_audition_region;
2041
2042         /* freeze operations */
2043
2044         ARDOUR::InterThreadInfo freeze_status;
2045         static void* _freeze_thread (void*);
2046         void* freeze_thread ();
2047
2048         void freeze_route ();
2049         void unfreeze_route ();
2050
2051         /* duplication */
2052
2053         void duplicate_range (bool with_dialog);
2054         void duplicate_regions (float times);
2055
2056         /** computes the timeline sample (sample) of an event whose coordinates
2057          * are in canvas units (pixels, scroll offset included).
2058          */
2059         samplepos_t canvas_event_sample (GdkEvent const*, double* px = 0, double* py = 0) const;
2060
2061         /** computes the timeline sample (sample) of an event whose coordinates
2062          * are in window units (pixels, no scroll offset).
2063          */
2064         samplepos_t window_event_sample (GdkEvent const*, double* px = 0, double* py = 0) const;
2065
2066         /* returns false if mouse pointer is not in track or marker canvas
2067          */
2068         bool mouse_sample (samplepos_t&, bool& in_track_canvas) const;
2069
2070         TimeFXDialog* current_timefx;
2071         static void* timefx_thread (void* arg);
2072         void do_timefx ();
2073
2074         int time_stretch (RegionSelection&, float fraction);
2075         int pitch_shift (RegionSelection&, float cents);
2076         void pitch_shift_region ();
2077
2078         /* editor-mixer strip */
2079
2080         MixerStrip *current_mixer_strip;
2081         bool show_editor_mixer_when_tracks_arrive;
2082         Gtk::VBox current_mixer_strip_vbox;
2083         void cms_new (boost::shared_ptr<ARDOUR::Route>);
2084         void current_mixer_strip_hidden ();
2085
2086 #ifdef __APPLE__
2087         void ensure_all_elements_drawn ();
2088 #endif
2089         /* nudging tracks */
2090
2091         void nudge_track (bool use_edit_point, bool forwards);
2092
2093         static const int32_t default_width = 995;
2094         static const int32_t default_height = 765;
2095
2096         /* nudge */
2097
2098         ArdourWidgets::ArdourButton      nudge_forward_button;
2099         ArdourWidgets::ArdourButton      nudge_backward_button;
2100         Gtk::HBox        nudge_hbox;
2101         Gtk::VBox        nudge_vbox;
2102         AudioClock*       nudge_clock;
2103
2104         bool nudge_forward_release (GdkEventButton*);
2105         bool nudge_backward_release (GdkEventButton*);
2106
2107         /* audio filters */
2108
2109         void apply_filter (ARDOUR::Filter&, std::string cmd, ProgressReporter* progress = 0);
2110
2111         Command* apply_midi_note_edit_op_to_region (ARDOUR::MidiOperator& op, MidiRegionView& mrv);
2112         void apply_midi_note_edit_op (ARDOUR::MidiOperator& op, const RegionSelection& rs);
2113
2114         /* handling cleanup */
2115
2116         int playlist_deletion_dialog (boost::shared_ptr<ARDOUR::Playlist>);
2117
2118         PBD::ScopedConnectionList session_connections;
2119
2120         /* tracking step changes of track height */
2121
2122         TimeAxisView* current_stepping_trackview;
2123         ARDOUR::microseconds_t last_track_height_step_timestamp;
2124         gint track_height_step_timeout();
2125         sigc::connection step_timeout;
2126
2127         TimeAxisView* entered_track;
2128         /** If the mouse is over a RegionView or one of its child canvas items, this is set up
2129             to point to the RegionView.  Otherwise it is 0.
2130         */
2131         RegionView*   entered_regionview;
2132
2133         std::vector<EnterContext> _enter_stack;
2134
2135         bool clear_entered_track;
2136         bool left_track_canvas (GdkEventCrossing*);
2137         bool entered_track_canvas (GdkEventCrossing*);
2138         void set_entered_track (TimeAxisView*);
2139         void set_entered_regionview (RegionView*);
2140         gint left_automation_track ();
2141
2142         void reset_canvas_action_sensitivity (bool);
2143         void set_gain_envelope_visibility ();
2144         void set_region_gain_visibility (RegionView*);
2145         void toggle_gain_envelope_active ();
2146         void reset_region_gain_envelopes ();
2147
2148         void session_state_saved (std::string);
2149
2150         Glib::RefPtr<Gtk::Action>              undo_action;
2151         Glib::RefPtr<Gtk::Action>              redo_action;
2152         Glib::RefPtr<Gtk::Action>              alternate_redo_action;
2153         Glib::RefPtr<Gtk::Action>              alternate_alternate_redo_action;
2154         Glib::RefPtr<Gtk::Action>              selection_undo_action;
2155         Glib::RefPtr<Gtk::Action>              selection_redo_action;
2156
2157         void history_changed ();
2158
2159         Editing::EditPoint _edit_point;
2160
2161         ArdourWidgets::ArdourDropdown edit_point_selector;
2162         void build_edit_point_menu();
2163
2164         void set_edit_point_preference (Editing::EditPoint ep, bool force = false);
2165         void cycle_edit_point (bool with_marker);
2166         void set_edit_point ();
2167         void edit_point_selection_done (Editing::EditPoint);
2168         void edit_point_chosen (Editing::EditPoint);
2169         Glib::RefPtr<Gtk::RadioAction> edit_point_action (Editing::EditPoint);
2170         std::vector<std::string> edit_point_strings;
2171         std::vector<std::string> edit_mode_strings;
2172
2173         void selected_marker_moved (ARDOUR::Location*);
2174
2175         bool get_edit_op_range (samplepos_t& start, samplepos_t& end) const;
2176
2177         void get_regions_at (RegionSelection&, samplepos_t where, const TrackViewList& ts) const;
2178         void get_regions_after (RegionSelection&, samplepos_t where, const TrackViewList& ts) const;
2179
2180         RegionSelection get_regions_from_selection_and_edit_point (Editing::EditIgnoreOption = Editing::EDIT_IGNORE_NONE,
2181                                                                    bool use_context_click = false,
2182                                                                    bool from_outside_canvas = false);
2183         RegionSelection get_regions_from_selection_and_entered () const;
2184
2185         void start_updating_meters ();
2186         void stop_updating_meters ();
2187         bool meters_running;
2188
2189         void select_next_stripable (bool routes_only = true);
2190         void select_prev_stripable (bool routes_only = true);
2191
2192         ARDOUR::MusicSample snap_to_minsec (ARDOUR::MusicSample start,
2193                                             ARDOUR::RoundMode   direction,
2194                                             ARDOUR::SnapPref    gpref);
2195
2196         ARDOUR::MusicSample snap_to_cd_frames (ARDOUR::MusicSample start,
2197                                                ARDOUR::RoundMode   direction,
2198                                                ARDOUR::SnapPref    gpref);
2199
2200         ARDOUR::MusicSample snap_to_bbt (ARDOUR::MusicSample start,
2201                                          ARDOUR::RoundMode   direction,
2202                                          ARDOUR::SnapPref    gpref);
2203
2204         ARDOUR::MusicSample snap_to_timecode (ARDOUR::MusicSample start,
2205                                               ARDOUR::RoundMode   direction,
2206                                               ARDOUR::SnapPref    gpref);
2207
2208         ARDOUR::MusicSample snap_to_grid (ARDOUR::MusicSample start,
2209                                           ARDOUR::RoundMode   direction,
2210                                           ARDOUR::SnapPref    gpref);
2211
2212         void snap_to_internal (ARDOUR::MusicSample& first,
2213                                ARDOUR::RoundMode    direction = ARDOUR::RoundNearest,
2214                                ARDOUR::SnapPref     gpref = ARDOUR::SnapToAny_Visual,
2215                                bool                 ensure_snap = false);
2216
2217         samplepos_t snap_to_marker (samplepos_t       presnap,
2218                                     ARDOUR::RoundMode direction = ARDOUR::RoundNearest);
2219
2220         RhythmFerret* rhythm_ferret;
2221
2222         void fit_tracks (TrackViewList &);
2223         void fit_selection ();
2224         void set_track_height (Height);
2225
2226         void _remove_tracks ();
2227         bool idle_remove_tracks ();
2228         void toggle_tracks_active ();
2229
2230         bool _have_idled;
2231         int resize_idle_id;
2232         static gboolean _idle_resize (gpointer);
2233         bool idle_resize();
2234         int32_t _pending_resize_amount;
2235         TimeAxisView* _pending_resize_view;
2236
2237         void visible_order_range (int*, int*) const;
2238
2239         void located ();
2240
2241         /** true if we've made a locate request that hasn't yet been processed */
2242         bool _pending_locate_request;
2243
2244         /** if true, there is a pending Session locate which is the initial one when loading a session;
2245             we need to know this so that we don't (necessarily) set the viewport to show the playhead
2246             initially.
2247         */
2248         bool _pending_initial_locate;
2249
2250         Gtk::HBox _summary_hbox;
2251         EditorSummary* _summary;
2252
2253         void region_view_added (RegionView*);
2254         void region_view_removed ();
2255
2256         EditorGroupTabs* _group_tabs;
2257         void fit_route_group (ARDOUR::RouteGroup*);
2258
2259         void step_edit_status_change (bool);
2260         void start_step_editing ();
2261         void stop_step_editing ();
2262         bool check_step_edit ();
2263         sigc::connection step_edit_connection;
2264
2265         double _last_motion_y;
2266
2267         RegionLayeringOrderEditor* layering_order_editor;
2268         void update_region_layering_order_editor ();
2269
2270         /** Track that was the source for the last cut/copy operation.  Used as a place
2271             to paste things iff there is no selected track.
2272         */
2273         TimeAxisView* _last_cut_copy_source_track;
2274
2275         /** true if a change in Selection->regions should change the selection in the region list.
2276             See EditorRegions::selection_changed.
2277         */
2278         bool _region_selection_change_updates_region_list;
2279
2280         void setup_fade_images ();
2281         std::map<ARDOUR::FadeShape, Gtk::Image*> _xfade_in_images;
2282         std::map<ARDOUR::FadeShape, Gtk::Image*> _xfade_out_images;
2283
2284         Gtk::MenuItem& action_menu_item (std::string const &);
2285         void action_pre_activated (Glib::RefPtr<Gtk::Action> const &);
2286
2287         MouseCursors* _cursors;
2288
2289         void follow_mixer_selection ();
2290         bool _following_mixer_selection;
2291
2292         int time_fx (ARDOUR::RegionList&, float val, bool pitching);
2293         void note_edit_done (int, EditNoteDialog*);
2294         void toggle_sound_midi_notes ();
2295
2296         /** Flag for a bit of a hack wrt control point selection; see set_selected_control_point_from_click */
2297         bool _control_point_toggled_on_press;
2298
2299         /** This is used by TimeAxisView to keep a track of the TimeAxisView that is currently being
2300             stepped in height using ScrollZoomVerticalModifier+Scrollwheel.  When a scroll event
2301             occurs, we do the step on this _stepping_axis_view if it is non-0 (and we set up this
2302             _stepping_axis_view with the TimeAxisView underneath the mouse if it is 0).  Then Editor
2303             resets _stepping_axis_view when the modifier key is released.  In this (hacky) way,
2304             pushing the modifier key and moving the scroll wheel will operate on the same track
2305             until the key is released (rather than skipping about to whatever happens to be
2306             underneath the mouse at the time).
2307         */
2308         TimeAxisView* _stepping_axis_view;
2309         void zoom_vertical_modifier_released();
2310
2311         void bring_in_callback (Gtk::Label*, uint32_t n, uint32_t total, std::string name);
2312         void update_bring_in_message (Gtk::Label* label, uint32_t n, uint32_t total, std::string name);
2313         void bring_all_sources_into_session ();
2314
2315         QuantizeDialog* quantize_dialog;
2316         MainMenuDisabler* _main_menu_disabler;
2317
2318         /* private helper functions to help with registering region actions */
2319
2320         Glib::RefPtr<Gtk::Action> register_region_action (Glib::RefPtr<Gtk::ActionGroup> group, Editing::RegionActionTarget, char const* name, char const* label, sigc::slot<void> slot);
2321         void register_toggle_region_action (Glib::RefPtr<Gtk::ActionGroup> group, Editing::RegionActionTarget, char const* name, char const* label, sigc::slot<void> slot);
2322
2323         Glib::RefPtr<Gtk::Action> reg_sens (Glib::RefPtr<Gtk::ActionGroup> group, char const* name, char const* label, sigc::slot<void> slot);
2324         void toggle_reg_sens (Glib::RefPtr<Gtk::ActionGroup> group, char const* name, char const* label, sigc::slot<void> slot);
2325         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);
2326
2327         friend class Drag;
2328         friend class RegionCutDrag;
2329         friend class RegionDrag;
2330         friend class RegionMoveDrag;
2331         friend class RegionSpliceDrag;
2332         friend class RegionRippleDrag;
2333         friend class TrimDrag;
2334         friend class BBTRulerDrag;
2335         friend class MeterMarkerDrag;
2336         friend class TempoMarkerDrag;
2337         friend class CursorDrag;
2338         friend class FadeInDrag;
2339         friend class FadeOutDrag;
2340         friend class MarkerDrag;
2341         friend class RegionGainDrag;
2342         friend class ControlPointDrag;
2343         friend class LineDrag;
2344         friend class RubberbandSelectDrag;
2345         friend class EditorRubberbandSelectDrag;
2346         friend class TimeFXDrag;
2347         friend class ScrubDrag;
2348         friend class SelectionDrag;
2349         friend class RangeMarkerBarDrag;
2350         friend class MouseZoomDrag;
2351         friend class RegionCreateDrag;
2352         friend class RegionMotionDrag;
2353         friend class RegionInsertDrag;
2354         friend class VideoTimeLineDrag;
2355
2356         friend class EditorSummary;
2357         friend class EditorGroupTabs;
2358
2359         friend class EditorRoutes;
2360         friend class RhythmFerret;
2361 };
2362
2363 #endif /* __ardour_editor_h__ */