gtk2_ardour/editor.h

   1 /*
   2     Copyright (C) 2000-2003 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #ifndef __ardour_editor_h__
  21 #define __ardour_editor_h__
  22
  23 #include <list>
  24 #include <map>
  25 #include <set>
  26 #include <string>
  27 #include <sys/time.h>
  28 #include <bitset>
  29
  30 #include <boost/optional.hpp>
  31
  32 #include <libgnomecanvasmm/canvas.h>
  33 #include <libgnomecanvasmm/group.h>
  34 #include <libgnomecanvasmm/line.h>
  35 #include <libgnomecanvasmm/pixbuf.h>
  36
  37 #include <cmath>
  38
  39 #include <gtkmm/comboboxtext.h>
  40 #include <gtkmm/layout.h>
  41
  42 #include "gtkmm2ext/selector.h"
  43 #include "gtkmm2ext/click_box.h"
  44 #include "gtkmm2ext/dndtreeview.h"
  45 #include "gtkmm2ext/stateful_button.h"
  46
  47 #include "pbd/stateful.h"
  48 #include "pbd/signals.h"
  49
  50 #include "ardour/import_status.h"
  51 #include "ardour/tempo.h"
  52 #include "ardour/location.h"
  53 #include "ardour/audioregion.h"
  54 #include "ardour/track.h"
  55 #include "ardour/types.h"
  56 #include "ardour/route_group.h"
  57
  58 #include "audio_clock.h"
  59 #include "gtk-custom-ruler.h"
  60 #include "ardour_dialog.h"
  61 #include "public_editor.h"
  62 #include "editing.h"
  63 #include "enums.h"
  64 #include "editor_items.h"
  65 #include "region_selection.h"
  66 #include "canvas.h"
  67 #include "window_proxy.h"
  68
  69 namespace Gnome { namespace Canvas {
  70         class NoEventText;
  71 } }
  72
  73 namespace Gtkmm2ext {
  74         class TearOff;
  75 }
  76
  77 namespace ARDOUR {
  78         class RouteGroup;
  79         class Playlist;
  80         class AudioPlaylist;
  81         class Region;
  82         class Location;
  83         class TempoSection;
  84         class NamedSelection;
  85         class Session;
  86         class Filter;
  87         class Crossfade;
  88         class ChanCount;
  89         class MidiOperator;
  90         class MidiTrack;
  91         class AudioTrack;
  92 }
  93
  94 namespace LADSPA {
  95         class Plugin;
  96 }
  97
  98 class AnalysisWindow;
  99 class AudioRegionView;
 100 class AudioStreamView;
 101 class AudioTimeAxisView;
 102 class AutomationLine;
 103 class AutomationSelection;
 104 class AutomationTimeAxisView;
 105 class BundleManager;
 106 class ControlPoint;
 107 class CrossfadeView;
 108 class DragManager;
 109 class GroupedButtons;
 110 class Marker;
 111 class MidiRegionView;
 112 class MixerStrip;
 113 class PlaylistSelector;
 114 class PluginSelector;
 115 class RhythmFerret;
 116 class Selection;
 117 class SoundFileOmega;
 118 class StreamView;
 119 class TempoLines;
 120 class TimeAxisView;
 121 class TimeFXDialog;
 122 class TimeSelection;
 123 class EditorGroupTabs;
 124 class EditorRoutes;
 125 class EditorRouteGroups;
 126 class EditorRegions;
 127 class EditorLocations;
 128 class EditorSnapshots;
 129 class EditorSummary;
 130 class RegionLayeringOrderEditor;
 131 class ProgressReporter;
 132 class EditorCursor;
 133 class MouseCursors;
 134
 135 /* <CMT Additions> */
 136 class ImageFrameView;
 137 class ImageFrameTimeAxisView;
 138 class ImageFrameTimeAxis;
 139 class MarkerTimeAxis ;
 140 class MarkerView ;
 141 class ImageFrameSocketHandler ;
 142 class TimeAxisViewItem ;
 143 /* </CMT Additions> */
 144
 145 class Editor : public PublicEditor, public PBD::ScopedConnectionList, public ARDOUR::SessionHandlePtr
 146 {
 147   public:
 148         Editor ();
 149         ~Editor ();
 150
 151         void             set_session (ARDOUR::Session *);
 152         ARDOUR::Session* session() const { return _session; }
 153
 154         void             first_idle ();
 155         virtual bool     have_idled () const { return _have_idled; }
 156
 157         framepos_t leftmost_position() const { return leftmost_frame; }
 158
 159         framecnt_t current_page_frames() const {
 160                 return (framecnt_t) floor (_canvas_width * frames_per_unit);
 161         }
 162
 163         double canvas_height () const {
 164                 return _canvas_height;
 165         }
 166
 167         void cycle_snap_mode ();
 168         void cycle_snap_choice ();
 169         void set_snap_to (Editing::SnapType);
 170         void set_snap_mode (Editing::SnapMode);
 171         void set_snap_threshold (double pixel_distance) {snap_threshold = pixel_distance;}
 172
 173         Editing::SnapMode  snap_mode () const;
 174         Editing::SnapType  snap_type () const;
 175
 176         void undo (uint32_t n = 1);
 177         void redo (uint32_t n = 1);
 178
 179         XMLNode& get_state ();
 180         int set_state (const XMLNode&, int version);
 181
 182         void set_mouse_mode (Editing::MouseMode, bool force=true);
 183         void step_mouse_mode (bool next);
 184         Editing::MouseMode current_mouse_mode () const { return mouse_mode; }
 185         Editing::MidiEditMode current_midi_edit_mode () const;
 186         void remove_midi_note (ArdourCanvas::Item *, GdkEvent *);
 187
 188         bool internal_editing() const { return _internal_editing ; }
 189         void set_internal_edit (bool yn);
 190
 191 #ifdef WITH_CMT
 192         void add_imageframe_time_axis(const std::string & track_name, void*) ;
 193         void add_imageframe_marker_time_axis(const std::string & track_name, TimeAxisView* marked_track, void*) ;
 194         void connect_to_image_compositor() ;
 195         void scroll_timeaxis_to_imageframe_item(const TimeAxisViewItem* item) ;
 196         TimeAxisView* get_named_time_axis(const std::string & name) ;
 197 #endif /* WITH_CMT */
 198
 199         void foreach_time_axis_view (sigc::slot<void,TimeAxisView&>);
 200         void add_to_idle_resize (TimeAxisView*, int32_t);
 201
 202         RouteTimeAxisView* get_route_view_by_route_id (PBD::ID& id) const;
 203
 204         void consider_auditioning (boost::shared_ptr<ARDOUR::Region>);
 205         void hide_a_region (boost::shared_ptr<ARDOUR::Region>);
 206         void show_a_region (boost::shared_ptr<ARDOUR::Region>);
 207
 208 #ifdef USE_RUBBERBAND
 209         std::vector<std::string> rb_opt_strings;
 210         int rb_current_opt;
 211 #endif
 212
 213         /* things that need to be public to be used in the main menubar */
 214
 215         void new_region_from_selection ();
 216         void separate_regions_between (const TimeSelection&);
 217         void separate_region_from_selection ();
 218         void separate_under_selected_regions ();
 219         void separate_region_from_punch ();
 220         void separate_region_from_loop ();
 221         void separate_regions_using_location (ARDOUR::Location&);
 222         void transition_to_rolling (bool forward);
 223
 224         /* undo related */
 225
 226         framepos_t unit_to_frame (double unit) const {
 227                 return (framepos_t) rint (unit * frames_per_unit);
 228         }
 229
 230         double frame_to_unit (framepos_t frame) const {
 231                 return rint ((double) frame / (double) frames_per_unit);
 232         }
 233
 234         double frame_to_unit (double frame) const {
 235                 return rint (frame / frames_per_unit);
 236         }
 237
 238         /* NOTE: these functions assume that the "pixel" coordinate is
 239            the result of using the world->canvas affine transform on a
 240            world coordinate. These coordinates already take into
 241            account any scrolling carried out by adjusting the
 242            xscroll_adjustment.
 243         */
 244
 245         framepos_t pixel_to_frame (double pixel) const {
 246
 247                 /* pixel can be less than zero when motion events
 248                    are processed. since we've already run the world->canvas
 249                    affine, that means that the location *really* is "off
 250                    to the right" and thus really is "before the start".
 251                 */
 252
 253                 if (pixel >= 0) {
 254                         return (framepos_t) rint (pixel * frames_per_unit * GNOME_CANVAS(track_canvas->gobj())->pixels_per_unit);
 255                 } else {
 256                         return 0;
 257                 }
 258         }
 259
 260         gulong frame_to_pixel (framepos_t frame) const {
 261                 return (gulong) rint ((frame / (frames_per_unit * GNOME_CANVAS(track_canvas->gobj())->pixels_per_unit)));
 262         }
 263
 264         void flush_canvas ();
 265
 266         /* selection */
 267
 268         Selection& get_selection() const { return *selection; }
 269         Selection& get_cut_buffer() const { return *cut_buffer; }
 270
 271         bool extend_selection_to_track (TimeAxisView&);
 272
 273         void play_selection ();
 274         void select_all_in_track (Selection::Operation op);
 275         void select_all (Selection::Operation op);
 276         void invert_selection_in_track ();
 277         void invert_selection ();
 278         void deselect_all ();
 279
 280         void set_selected_regionview_from_region_list (boost::shared_ptr<ARDOUR::Region> region, Selection::Operation op = Selection::Set);
 281
 282         /* tempo */
 283
 284         void set_show_measures (bool yn);
 285         bool show_measures () const { return _show_measures; }
 286
 287         /* analysis window */
 288
 289         void analyze_region_selection();
 290         void analyze_range_selection();
 291
 292         /* export */
 293
 294         void export_audio ();
 295         void stem_export ();
 296         void export_selection ();
 297         void export_range ();
 298         void export_region ();
 299
 300         void add_toplevel_controls (Gtk::Container&);
 301         Gtk::HBox& get_status_bar_packer()  { return status_bar_hpacker; }
 302
 303         void               set_zoom_focus (Editing::ZoomFocus);
 304         Editing::ZoomFocus get_zoom_focus () const { return zoom_focus; }
 305         double             get_current_zoom () const { return frames_per_unit; }
 306
 307         void temporal_zoom_step (bool coarser);
 308         void tav_zoom_step (bool coarser);
 309
 310         /* stuff that AudioTimeAxisView and related classes use */
 311
 312         PlaylistSelector& playlist_selector() const;
 313         void clear_playlist (boost::shared_ptr<ARDOUR::Playlist>);
 314
 315         void new_playlists (TimeAxisView* v);
 316         void copy_playlists (TimeAxisView* v);
 317         void clear_playlists (TimeAxisView* v);
 318
 319         void get_onscreen_tracks (TrackViewList&);
 320
 321         Width editor_mixer_strip_width;
 322         void maybe_add_mixer_strip_width (XMLNode&);
 323         void show_editor_mixer (bool yn);
 324         void create_editor_mixer ();
 325         void show_editor_list (bool yn);
 326         void set_selected_mixer_strip (TimeAxisView&);
 327         void mixer_strip_width_changed ();
 328         void hide_track_in_display (TimeAxisView* tv, bool temporary = false);
 329
 330         /* nudge is initiated by transport controls owned by ARDOUR_UI */
 331
 332         framecnt_t get_nudge_distance (framepos_t pos, framecnt_t& next);
 333         Evoral::MusicalTime get_grid_type_as_beats (bool& success, framepos_t position);
 334
 335         void nudge_forward (bool next, bool force_playhead);
 336         void nudge_backward (bool next, bool force_playhead);
 337
 338         /* nudge initiated from context menu */
 339
 340         void nudge_forward_capture_offset ();
 341         void nudge_backward_capture_offset ();
 342
 343         /* playhead/screen stuff */
 344
 345         void set_stationary_playhead (bool yn);
 346         void toggle_stationary_playhead ();
 347         bool stationary_playhead() const { return _stationary_playhead; }
 348
 349         void set_follow_playhead (bool yn, bool catch_up = true);
 350         void toggle_follow_playhead ();
 351         bool follow_playhead() const { return _follow_playhead; }
 352         bool dragging_playhead () const { return _dragging_playhead; }
 353
 354         void toggle_zero_line_visibility ();
 355         void set_summary ();
 356         void set_group_tabs ();
 357         void toggle_measure_visibility ();
 358         void toggle_logo_visibility ();
 359
 360         /* fades/xfades */
 361
 362         void toggle_region_fades (int dir);
 363         void update_region_fade_visibility ();
 364         bool xfade_visibility() const { return _xfade_visibility; }
 365         void update_xfade_visibility ();
 366
 367         /* redirect shared ops menu. caller must free returned menu */
 368
 369         Gtk::Menu* redirect_menu ();
 370
 371         /* floating windows/transient */
 372
 373         void ensure_float (Gtk::Window&);
 374
 375         void show_window ();
 376
 377         void scroll_tracks_down_line ();
 378         void scroll_tracks_up_line ();
 379
 380         void prepare_for_cleanup ();
 381         void finish_cleanup ();
 382
 383         void maximise_editing_space();
 384         void restore_editing_space();
 385
 386         void reset_x_origin (framepos_t);
 387         void reset_x_origin_to_follow_playhead ();
 388         void reset_y_origin (double);
 389         void reset_zoom (double);
 390         void reposition_and_zoom (framepos_t, double);
 391
 392         framepos_t get_preferred_edit_position (bool ignore_playhead = false);
 393
 394         bool update_mouse_speed ();
 395         bool decelerate_mouse_speed ();
 396
 397         void toggle_meter_updating();
 398
 399         void show_rhythm_ferret();
 400
 401         void goto_visual_state (uint32_t);
 402         void save_visual_state (uint32_t);
 403
 404         void queue_draw_resize_line (int at);
 405         void start_resize_line_ops ();
 406         void end_resize_line_ops ();
 407
 408         TrackViewList const & get_track_views () {
 409                 return track_views;
 410         }
 411
 412         int get_regionview_count_from_region_list (boost::shared_ptr<ARDOUR::Region>);
 413
 414         void do_import (std::vector<std::string> paths, Editing::ImportDisposition, Editing::ImportMode mode, ARDOUR::SrcQuality, framepos_t&);
 415         void do_embed (std::vector<std::string> paths, Editing::ImportDisposition, Editing::ImportMode mode,  framepos_t&);
 416
 417         void get_regions_corresponding_to (boost::shared_ptr<ARDOUR::Region> region, std::vector<RegionView*>& regions);
 418
 419         void show_verbose_canvas_cursor_with (const std::string& txt, int32_t xoffset = 0, int32_t yoffset = 0);
 420         void hide_verbose_canvas_cursor();
 421
 422         void center_screen (framepos_t);
 423
 424         TrackViewList axis_views_from_routes (boost::shared_ptr<ARDOUR::RouteList>) const;
 425         Gtkmm2ext::TearOff* mouse_mode_tearoff () const { return _mouse_mode_tearoff; }
 426         Gtkmm2ext::TearOff* tools_tearoff () const { return _tools_tearoff; }
 427
 428         void snap_to (framepos_t& first, int32_t direction = 0, bool for_mark = false);
 429         void snap_to_with_modifier (framepos_t& first, GdkEvent const *, int32_t direction = 0, bool for_mark = false);
 430         void snap_to (framepos_t& first, framepos_t& last, int32_t direction = 0, bool for_mark = false);
 431
 432         void begin_reversible_command (std::string cmd_name);
 433         void begin_reversible_command (GQuark);
 434         void commit_reversible_command ();
 435
 436         DragManager* drags () const {
 437                 return _drags;
 438         }
 439
 440         void maybe_autoscroll (bool, bool);
 441
 442         Gdk::Cursor* get_canvas_cursor () const { return current_canvas_cursor; }
 443         void set_canvas_cursor (Gdk::Cursor*, bool save=false);
 444         void set_current_trimmable (boost::shared_ptr<ARDOUR::Trimmable>);
 445         void set_current_movable (boost::shared_ptr<ARDOUR::Movable>);
 446
 447         MouseCursors const * cursors () const {
 448                 return _cursors;
 449         }
 450
 451   protected:
 452         void map_transport_state ();
 453         void map_position_change (framepos_t);
 454
 455         void on_realize();
 456
 457   private:
 458
 459         void color_handler ();
 460
 461         bool                 constructed;
 462
 463         // to keep track of the playhead position for control_scroll
 464         boost::optional<framepos_t> _control_scroll_target;
 465
 466         PlaylistSelector* _playlist_selector;
 467
 468         typedef std::pair<TimeAxisView*,XMLNode*> TAVState;
 469
 470         struct VisualState {
 471             double              y_position;
 472             double              frames_per_unit;
 473             framepos_t         leftmost_frame;
 474             Editing::ZoomFocus  zoom_focus;
 475             std::list<TAVState> track_states;
 476         };
 477
 478         std::list<VisualState*> undo_visual_stack;
 479         std::list<VisualState*> redo_visual_stack;
 480         VisualState* current_visual_state (bool with_tracks = true);
 481         void undo_visual_state ();
 482         void redo_visual_state ();
 483         void use_visual_state (VisualState&);
 484         bool no_save_visual;
 485         void swap_visual_state ();
 486
 487         std::vector<VisualState*> visual_states;
 488         sigc::connection visual_state_op_connection;
 489         void start_visual_state_op (uint32_t n);
 490         void cancel_visual_state_op (uint32_t n);
 491         bool end_visual_state_op (uint32_t n);
 492
 493         framepos_t leftmost_frame;
 494         double      frames_per_unit;
 495         Editing::ZoomFocus zoom_focus;
 496
 497         void set_frames_per_unit (double);
 498         void post_zoom ();
 499
 500         Editing::MouseMode mouse_mode;
 501         bool _internal_editing;
 502         Editing::MouseMode effective_mouse_mode () const;
 503
 504         enum JoinObjectRangeState {
 505                 JOIN_OBJECT_RANGE_NONE,
 506                 /** `join object/range' mode is active and the mouse is over a place where object mode should happen */
 507                 JOIN_OBJECT_RANGE_OBJECT,
 508                 /** `join object/range' mode is active and the mouse is over a place where range mode should happen */
 509                 JOIN_OBJECT_RANGE_RANGE
 510         };
 511
 512         JoinObjectRangeState _join_object_range_state;
 513
 514         void update_join_object_range_location (double, double);
 515
 516         int  post_maximal_editor_width;
 517         int  post_maximal_editor_height;
 518         int  post_maximal_horizontal_pane_position;
 519         int  post_maximal_vertical_pane_position;
 520         int  pre_maximal_horizontal_pane_position;
 521         int  pre_maximal_vertical_pane_position;
 522         int  pre_maximal_editor_width;
 523         int  pre_maximal_editor_height;
 524         void pane_allocation_handler (Gtk::Allocation&, Gtk::Paned*);
 525
 526         Gtk::Notebook _the_notebook;
 527         bool _notebook_shrunk;
 528         void add_notebook_page (std::string const &, Gtk::Widget &);
 529         bool notebook_tab_clicked (GdkEventButton *, Gtk::Widget *);
 530
 531         Gtk::HPaned   edit_pane;
 532         Gtk::VPaned   editor_summary_pane;
 533
 534         Gtk::EventBox meter_base;
 535         Gtk::HBox     meter_box;
 536         Gtk::EventBox marker_base;
 537         Gtk::HBox     marker_box;
 538         Gtk::VBox     scrollers_rulers_markers_box;
 539
 540         void location_changed (ARDOUR::Location *);
 541         void location_flags_changed (ARDOUR::Location *, void *);
 542         void refresh_location_display ();
 543         void refresh_location_display_s (const PBD::PropertyChange&);
 544         void refresh_location_display_internal (ARDOUR::Locations::LocationList&);
 545         void add_new_location (ARDOUR::Location *);
 546         void location_gone (ARDOUR::Location *);
 547         void remove_marker (ArdourCanvas::Item&, GdkEvent*);
 548         gint really_remove_marker (ARDOUR::Location* loc);
 549         void goto_nth_marker (int nth);
 550         void toggle_marker_lines ();
 551         void set_marker_line_visibility (bool);
 552
 553         uint32_t location_marker_color;
 554         uint32_t location_range_color;
 555         uint32_t location_loop_color;
 556         uint32_t location_punch_color;
 557         uint32_t location_cd_marker_color;
 558
 559         struct LocationMarkers {
 560                 Marker* start;
 561                 Marker* end;
 562                 bool    valid;
 563
 564                 LocationMarkers () : start(0), end(0), valid (true) {}
 565
 566                 ~LocationMarkers ();
 567
 568                 void hide ();
 569                 void show ();
 570
 571                 void set_show_lines (bool);
 572                 void set_selected (bool);
 573                 void canvas_height_set (double);
 574                 void setup_lines ();
 575
 576                 void set_name (const std::string&);
 577                 void set_position (framepos_t start, framepos_t end = 0);
 578                 void set_color_rgba (uint32_t);
 579         };
 580
 581         LocationMarkers  *find_location_markers (ARDOUR::Location *) const;
 582         ARDOUR::Location* find_location_from_marker (Marker *, bool& is_start) const;
 583         Marker* entered_marker;
 584         bool _show_marker_lines;
 585
 586         typedef std::map<ARDOUR::Location*,LocationMarkers *> LocationMarkerMap;
 587         LocationMarkerMap location_markers;
 588
 589         void update_marker_labels ();
 590         void update_marker_labels (ArdourCanvas::Group *);
 591         void check_marker_label (Marker *);
 592
 593         /** A set of lists of Markers that are in each of the canvas groups
 594          *  for the marker sections at the top of the editor.  These lists
 595          *  are kept sorted in time order between marker movements, so that after
 596          *  a marker has moved we can decide whether we need to update the labels
 597          *  for all markers or for just a few.
 598          */
 599         std::map<ArdourCanvas::Group *, std::list<Marker *> > _sorted_marker_lists;
 600         void remove_sorted_marker (Marker *);
 601
 602         void hide_marker (ArdourCanvas::Item*, GdkEvent*);
 603         void clear_marker_display ();
 604         void mouse_add_new_marker (framepos_t where, bool is_cd=false, bool is_xrun=false);
 605         bool choose_new_marker_name(std::string &name);
 606         void update_cd_marker_display ();
 607         void ensure_cd_marker_updated (LocationMarkers * lam, ARDOUR::Location * location);
 608
 609         TimeAxisView*      clicked_axisview;
 610         RouteTimeAxisView* clicked_routeview;
 611         /** The last RegionView that was clicked on, or 0 if the last click was not
 612          * on a RegionView.  This is set up by the canvas event handlers in
 613          * editor_canvas_events.cc
 614          */
 615         RegionView*        clicked_regionview;
 616         RegionSelection    latest_regionviews;
 617         uint32_t           clicked_selection;
 618         CrossfadeView*     clicked_crossfadeview;
 619         ControlPoint*      clicked_control_point;
 620
 621         void sort_track_selection (TrackViewList* sel = 0);
 622
 623         void get_equivalent_regions (RegionView* rv, std::vector<RegionView*> &, PBD::PropertyID) const;
 624         RegionSelection get_equivalent_regions (RegionSelection &, PBD::PropertyID) const;
 625         void mapover_tracks (sigc::slot<void,RouteTimeAxisView&,uint32_t> sl, TimeAxisView*, PBD::PropertyID) const;
 626
 627         /* functions to be passed to mapover_tracks(), possibly with sigc::bind()-supplied arguments */
 628
 629         void mapped_get_equivalent_regions (RouteTimeAxisView&, uint32_t, RegionView *, std::vector<RegionView*>*) const;
 630         void mapped_use_new_playlist (RouteTimeAxisView&, uint32_t, std::vector<boost::shared_ptr<ARDOUR::Playlist> > const &);
 631         void mapped_use_copy_playlist (RouteTimeAxisView&, uint32_t, std::vector<boost::shared_ptr<ARDOUR::Playlist> > const &);
 632         void mapped_clear_playlist (RouteTimeAxisView&, uint32_t);
 633
 634         /* end */
 635
 636         void button_selection (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_type);
 637         bool button_release_can_deselect;
 638
 639         void catch_vanishing_regionview (RegionView *);
 640
 641         void set_selected_track (TimeAxisView&, Selection::Operation op = Selection::Set, bool no_remove=false);
 642         void select_all_tracks ();
 643         void select_all_internal_edit (Selection::Operation);
 644
 645         bool set_selected_control_point_from_click (Selection::Operation op = Selection::Set, bool no_remove=false);
 646         void set_selected_track_from_click (bool press, Selection::Operation op = Selection::Set, bool no_remove=false);
 647         void set_selected_track_as_side_effect (Selection::Operation op, bool force = false);
 648         bool set_selected_regionview_from_click (bool press, Selection::Operation op = Selection::Set, bool no_track_remove=false);
 649
 650         bool set_selected_regionview_from_map_event (GdkEventAny*, StreamView*, boost::weak_ptr<ARDOUR::Region>);
 651         void collect_new_region_view (RegionView *);
 652         void collect_and_select_new_region_view (RegionView *);
 653
 654         long select_range_around_region (RegionView *);
 655
 656         Gtk::Menu track_context_menu;
 657         Gtk::Menu track_region_context_menu;
 658         Gtk::Menu track_selection_context_menu;
 659         Gtk::Menu track_crossfade_context_menu;
 660
 661         Gtk::MenuItem* region_edit_menu_split_item;
 662         Gtk::MenuItem* region_edit_menu_split_multichannel_item;
 663         Gtk::Menu * track_region_edit_playlist_menu;
 664         Gtk::Menu * track_edit_playlist_submenu;
 665         Gtk::Menu * track_selection_edit_playlist_submenu;
 666
 667         void popup_track_context_menu (int, int, ItemType, bool);
 668         Gtk::Menu* build_track_context_menu ();
 669         Gtk::Menu* build_track_bus_context_menu ();
 670         Gtk::Menu* build_track_region_context_menu ();
 671         Gtk::Menu* build_track_crossfade_context_menu ();
 672         Gtk::Menu* build_track_selection_context_menu ();
 673         void add_dstream_context_items (Gtk::Menu_Helpers::MenuList&);
 674         void add_bus_context_items (Gtk::Menu_Helpers::MenuList&);
 675         void add_region_context_items (Gtk::Menu_Helpers::MenuList&, boost::shared_ptr<ARDOUR::Track>);
 676         void add_crossfade_context_items (AudioStreamView*, boost::shared_ptr<ARDOUR::Crossfade>, Gtk::Menu_Helpers::MenuList&, bool many);
 677         void add_selection_context_items (Gtk::Menu_Helpers::MenuList&);
 678         Gtk::MenuItem* _popup_region_menu_item;
 679
 680         void handle_new_route (ARDOUR::RouteList&);
 681         void timeaxisview_deleted (TimeAxisView *);
 682
 683         Gtk::HBox           global_hpacker;
 684         Gtk::VBox           global_vpacker;
 685         Gtk::VBox           vpacker;
 686
 687         Gdk::Cursor*          current_canvas_cursor;
 688         Gdk::Cursor* which_grabber_cursor ();
 689         void set_canvas_cursor ();
 690
 691         ArdourCanvas::Canvas* track_canvas;
 692
 693         ArdourCanvas::NoEventText* verbose_canvas_cursor;
 694         bool                 verbose_cursor_visible;
 695
 696         void parameter_changed (std::string);
 697
 698         bool track_canvas_motion (GdkEvent*);
 699
 700         void set_verbose_canvas_cursor (const std::string &, double x, double y);
 701         void set_verbose_canvas_cursor_text (const std::string &);
 702         void show_verbose_canvas_cursor();
 703
 704         bool verbose_cursor_on; // so far unused
 705
 706         Gtk::EventBox             time_canvas_event_box;
 707         Gtk::EventBox             track_canvas_event_box;
 708         Gtk::EventBox             time_button_event_box;
 709         Gtk::EventBox             ruler_label_event_box;
 710
 711         ArdourCanvas::Group      *minsec_group;
 712         ArdourCanvas::Pixbuf     *logo_item;
 713         ArdourCanvas::Group      *bbt_group;
 714         ArdourCanvas::Group      *timecode_group;
 715         ArdourCanvas::Group      *frame_group;
 716         ArdourCanvas::Group      *tempo_group;
 717         ArdourCanvas::Group      *meter_group;
 718         ArdourCanvas::Group      *marker_group;
 719         ArdourCanvas::Group      *range_marker_group;
 720         ArdourCanvas::Group      *transport_marker_group;
 721         ArdourCanvas::Group*      cd_marker_group;
 722
 723         ArdourCanvas::Group*      timebar_group;
 724
 725         /* These bars never need to be scrolled */
 726         ArdourCanvas::Group*      meter_bar_group;
 727         ArdourCanvas::Group*      tempo_bar_group;
 728         ArdourCanvas::Group*      marker_bar_group;
 729         ArdourCanvas::Group*      range_marker_bar_group;
 730         ArdourCanvas::Group*      transport_marker_bar_group;
 731         ArdourCanvas::Group*      cd_marker_bar_group;
 732
 733         /** The group containing all items that require horizontal scrolling. */
 734         ArdourCanvas::Group* _background_group;
 735         /*
 736            The _master_group is the group containing all items
 737            that require horizontal scrolling..
 738            It is primarily used to separate canvas items
 739            that require horizontal scrolling from those that do not.
 740         */
 741         ArdourCanvas::Group* _master_group;
 742
 743         /* The group containing all trackviews.  Only scrolled vertically. */
 744         ArdourCanvas::Group* _trackview_group;
 745
 746         /* The group used for region motion.  Sits on top of _trackview_group */
 747         ArdourCanvas::Group* _region_motion_group;
 748
 749         enum RulerType {
 750                 ruler_metric_timecode = 0,
 751                 ruler_metric_bbt = 1,
 752                 ruler_metric_samples = 2,
 753                 ruler_metric_minsec = 3,
 754
 755                 ruler_time_tempo = 4,
 756                 ruler_time_meter = 5,
 757                 ruler_time_marker = 6,
 758                 ruler_time_range_marker = 7,
 759                 ruler_time_transport_marker = 8,
 760                 ruler_time_cd_marker = 9,
 761         };
 762
 763         static GtkCustomMetric ruler_metrics[4];
 764         Glib::RefPtr<Gtk::ToggleAction> ruler_timecode_action;
 765         Glib::RefPtr<Gtk::ToggleAction> ruler_bbt_action;
 766         Glib::RefPtr<Gtk::ToggleAction> ruler_samples_action;
 767         Glib::RefPtr<Gtk::ToggleAction> ruler_minsec_action;
 768         Glib::RefPtr<Gtk::ToggleAction> ruler_tempo_action;
 769         Glib::RefPtr<Gtk::ToggleAction> ruler_meter_action;
 770         Glib::RefPtr<Gtk::ToggleAction> ruler_marker_action;
 771         Glib::RefPtr<Gtk::ToggleAction> ruler_range_action;
 772         Glib::RefPtr<Gtk::ToggleAction> ruler_loop_punch_action;
 773         Glib::RefPtr<Gtk::ToggleAction> ruler_cd_marker_action;
 774         bool                            no_ruler_shown_update;
 775
 776         gint ruler_button_press (GdkEventButton*);
 777         gint ruler_button_release (GdkEventButton*);
 778         gint ruler_mouse_motion (GdkEventMotion*);
 779         bool ruler_scroll (GdkEventScroll* event);
 780
 781         Gtk::Widget * ruler_grabbed_widget;
 782
 783         void initialize_rulers ();
 784         void update_just_timecode ();
 785         void compute_fixed_ruler_scale (); //calculates the RulerScale of the fixed rulers
 786         void update_fixed_rulers ();
 787         void update_tempo_based_rulers ();
 788         void popup_ruler_menu (framepos_t where = 0, ItemType type = RegionItem);
 789         void update_ruler_visibility ();
 790         void set_ruler_visible (RulerType, bool);
 791         void toggle_ruler_visibility (RulerType rt);
 792         void ruler_toggled (int);
 793         gint ruler_label_button_release (GdkEventButton*);
 794         void store_ruler_visibility ();
 795         void restore_ruler_visibility ();
 796
 797         static gint _metric_get_timecode (GtkCustomRulerMark **, gdouble, gdouble, gint);
 798         static gint _metric_get_bbt (GtkCustomRulerMark **, gdouble, gdouble, gint);
 799         static gint _metric_get_samples (GtkCustomRulerMark **, gdouble, gdouble, gint);
 800         static gint _metric_get_minsec (GtkCustomRulerMark **, gdouble, gdouble, gint);
 801
 802         enum MinsecRulerScale {
 803                 minsec_show_seconds,
 804                 minsec_show_minutes,
 805                 minsec_show_hours,
 806                 minsec_show_frames
 807         };
 808
 809         MinsecRulerScale minsec_ruler_scale;
 810
 811         framecnt_t minsec_mark_interval;
 812         gint minsec_mark_modulo;
 813         gint minsec_nmarks;
 814         void set_minsec_ruler_scale (framepos_t, framepos_t);
 815
 816         enum TimecodeRulerScale {
 817                 timecode_show_bits,
 818                 timecode_show_frames,
 819                 timecode_show_seconds,
 820                 timecode_show_minutes,
 821                 timecode_show_hours
 822         };
 823
 824         TimecodeRulerScale timecode_ruler_scale;
 825
 826         gint timecode_mark_modulo;
 827         gint timecode_nmarks;
 828         void set_timecode_ruler_scale (framepos_t, framepos_t);
 829
 830         framecnt_t _samples_ruler_interval;
 831         void set_samples_ruler_scale (framepos_t, framepos_t);
 832
 833         enum BBTRulerScale {
 834                 bbt_over,
 835                 bbt_show_64,
 836                 bbt_show_16,
 837                 bbt_show_4,
 838                 bbt_show_1,
 839                 bbt_show_beats,
 840                 bbt_show_ticks,
 841                 bbt_show_ticks_detail,
 842                 bbt_show_ticks_super_detail
 843         };
 844
 845         BBTRulerScale bbt_ruler_scale;
 846
 847         uint32_t bbt_bars;
 848         gint bbt_nmarks;
 849         uint32_t bbt_bar_helper_on;
 850         uint32_t bbt_accent_modulo;
 851         void compute_bbt_ruler_scale (framepos_t lower, framepos_t upper);
 852
 853         gint metric_get_timecode (GtkCustomRulerMark **, gdouble, gdouble, gint);
 854         gint metric_get_bbt (GtkCustomRulerMark **, gdouble, gdouble, gint);
 855         gint metric_get_samples (GtkCustomRulerMark **, gdouble, gdouble, gint);
 856         gint metric_get_minsec (GtkCustomRulerMark **, gdouble, gdouble, gint);
 857
 858         Gtk::Widget        *_ruler_separator;
 859         GtkWidget          *_timecode_ruler;
 860         GtkWidget          *_bbt_ruler;
 861         GtkWidget          *_samples_ruler;
 862         GtkWidget          *_minsec_ruler;
 863         Gtk::Widget        *timecode_ruler;
 864         Gtk::Widget        *bbt_ruler;
 865         Gtk::Widget        *samples_ruler;
 866         Gtk::Widget        *minsec_ruler;
 867         static Editor      *ruler_editor;
 868
 869         static const double timebar_height;
 870         guint32 visible_timebars;
 871         gdouble canvas_timebars_vsize;
 872         gdouble get_canvas_timebars_vsize () const { return canvas_timebars_vsize; }
 873         Gtk::Menu          *editor_ruler_menu;
 874
 875         ArdourCanvas::SimpleRect* tempo_bar;
 876         ArdourCanvas::SimpleRect* meter_bar;
 877         ArdourCanvas::SimpleRect* marker_bar;
 878         ArdourCanvas::SimpleRect* range_marker_bar;
 879         ArdourCanvas::SimpleRect* transport_marker_bar;
 880         ArdourCanvas::SimpleRect* cd_marker_bar;
 881
 882         Gtk::Label  minsec_label;
 883         Gtk::Label  bbt_label;
 884         Gtk::Label  timecode_label;
 885         Gtk::Label  samples_label;
 886         Gtk::Label  tempo_label;
 887         Gtk::Label  meter_label;
 888         Gtk::Label  mark_label;
 889         Gtk::Label  range_mark_label;
 890         Gtk::Label  transport_mark_label;
 891         Gtk::Label  cd_mark_label;
 892
 893         Gtk::VBox          time_button_vbox;
 894         Gtk::HBox          time_button_hbox;
 895
 896         friend class EditorCursor;
 897
 898         EditorCursor*        playhead_cursor;
 899         ArdourCanvas::Group* cursor_group;
 900
 901         framepos_t get_region_boundary (framepos_t pos, int32_t dir, bool with_selection, bool only_onscreen);
 902
 903         void    cursor_to_region_boundary (bool with_selection, int32_t dir);
 904         void    cursor_to_next_region_boundary (bool with_selection);
 905         void    cursor_to_previous_region_boundary (bool with_selection);
 906         void    cursor_to_next_region_point (EditorCursor*, ARDOUR::RegionPoint);
 907         void    cursor_to_previous_region_point (EditorCursor*, ARDOUR::RegionPoint);
 908         void    cursor_to_region_point (EditorCursor*, ARDOUR::RegionPoint, int32_t dir);
 909         void    cursor_to_selection_start (EditorCursor *);
 910         void    cursor_to_selection_end   (EditorCursor *);
 911
 912         void    selected_marker_to_region_boundary (bool with_selection, int32_t dir);
 913         void    selected_marker_to_next_region_boundary (bool with_selection);
 914         void    selected_marker_to_previous_region_boundary (bool with_selection);
 915         void    selected_marker_to_next_region_point (ARDOUR::RegionPoint);
 916         void    selected_marker_to_previous_region_point (ARDOUR::RegionPoint);
 917         void    selected_marker_to_region_point (ARDOUR::RegionPoint, int32_t dir);
 918         void    selected_marker_to_selection_start ();
 919         void    selected_marker_to_selection_end   ();
 920
 921         void    select_all_selectables_using_cursor (EditorCursor *, bool);
 922         void    select_all_selectables_using_edit (bool);
 923         void    select_all_selectables_between (bool within);
 924         void    select_range_between ();
 925
 926         boost::shared_ptr<ARDOUR::Region> find_next_region (ARDOUR::framepos_t, ARDOUR::RegionPoint, int32_t dir, TrackViewList&, TimeAxisView ** = 0);
 927         ARDOUR::framepos_t find_next_region_boundary (ARDOUR::framepos_t, int32_t dir, const TrackViewList&);
 928
 929         std::vector<ARDOUR::framepos_t> region_boundary_cache;
 930         void build_region_boundary_cache ();
 931
 932         Gtk::HBox           top_hbox;
 933         Gtk::HBox           bottom_hbox;
 934
 935         Gtk::Table          edit_packer;
 936
 937         Gtk::Adjustment     vertical_adjustment;
 938
 939         Gtk::Layout         controls_layout;
 940         bool control_layout_scroll (GdkEventScroll* ev);
 941         void reset_controls_layout_width ();
 942         void reset_controls_layout_height (int32_t height);
 943
 944         enum Direction {
 945                 LEFT,
 946                 RIGHT,
 947                 UP,
 948                 DOWN
 949         };
 950
 951         bool scroll_press (Direction);
 952         void scroll_release ();
 953         sigc::connection _scroll_connection;
 954         int _scroll_callbacks;
 955
 956         double _canvas_width;
 957         double _canvas_height; ///< height of the visible area of the track canvas
 958         double full_canvas_height; ///< full height of the canvas
 959
 960         bool track_canvas_map_handler (GdkEventAny*);
 961
 962         gint edit_controls_button_release (GdkEventButton*);
 963         Gtk::Menu *edit_controls_left_menu;
 964         Gtk::Menu *edit_controls_right_menu;
 965
 966         Gtk::VBox           ruler_label_vbox;
 967         Gtk::VBox           track_canvas_vbox;
 968         Gtk::VBox           time_canvas_vbox;
 969         Gtk::VBox           edit_controls_vbox;
 970         Gtk::HBox           edit_controls_hbox;
 971
 972         void control_scroll (float);
 973         void access_action (std::string,std::string);
 974         bool deferred_control_scroll (framepos_t);
 975         sigc::connection control_scroll_connection;
 976
 977         gdouble get_trackview_group_vertical_offset () const { return vertical_adjustment.get_value () - canvas_timebars_vsize;}
 978
 979         ArdourCanvas::Group* get_background_group () const { return _background_group; }
 980         ArdourCanvas::Group* get_trackview_group () const { return _trackview_group; }
 981         double last_trackview_group_vertical_offset;
 982         void tie_vertical_scrolling ();
 983         void set_horizontal_position (double);
 984         double horizontal_position () const;
 985         void scroll_canvas_vertically ();
 986
 987         struct VisualChange {
 988                 enum Type {
 989                         TimeOrigin = 0x1,
 990                         ZoomLevel = 0x2,
 991                         YOrigin = 0x4
 992                 };
 993
 994                 Type pending;
 995                 framepos_t time_origin;
 996                 double frames_per_unit;
 997                 double y_origin;
 998
 999                 int idle_handler_id;
1000
1001                 VisualChange() : pending ((VisualChange::Type) 0), time_origin (0), frames_per_unit (0), idle_handler_id (-1) {}
1002                 void add (Type t) {
1003                         pending = Type (pending | t);
1004                 }
1005         };
1006
1007
1008         VisualChange pending_visual_change;
1009
1010         static int _idle_visual_changer (void *arg);
1011         int idle_visual_changer ();
1012
1013         void queue_visual_change (framepos_t);
1014         void queue_visual_change (double);
1015         void queue_visual_change_y (double);
1016         void ensure_visual_change_idle_handler ();
1017
1018         /* track views */
1019         TrackViewList track_views;
1020         std::pair<TimeAxisView*, ARDOUR::layer_t> trackview_by_y_position (double);
1021         TimeAxisView* axis_view_from_route (boost::shared_ptr<ARDOUR::Route>) const;
1022
1023         TrackViewList get_tracks_for_range_action () const;
1024
1025         sigc::connection super_rapid_screen_update_connection;
1026         framepos_t last_update_frame;
1027         void center_screen_internal (framepos_t, float);
1028
1029         void super_rapid_screen_update ();
1030
1031         void session_going_away ();
1032
1033         framepos_t cut_buffer_start;
1034         framecnt_t cut_buffer_length;
1035
1036         Gdk::Cursor* pre_press_cursor;
1037         boost::weak_ptr<ARDOUR::Trimmable> _trimmable;
1038         boost::weak_ptr<ARDOUR::Movable> _movable;
1039
1040         bool typed_event (ArdourCanvas::Item*, GdkEvent*, ItemType);
1041         bool button_press_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1042         bool button_press_handler_1 (ArdourCanvas::Item *, GdkEvent *, ItemType);
1043         bool button_press_handler_2 (ArdourCanvas::Item *, GdkEvent *, ItemType);
1044         bool button_release_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1045         bool motion_handler (ArdourCanvas::Item*, GdkEvent*, bool from_autoscroll = false);
1046         bool enter_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1047         bool leave_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1048
1049         /* KEYMAP HANDLING */
1050
1051         void register_actions ();
1052         void register_region_actions ();
1053
1054         int ensure_cursor (framepos_t* pos);
1055
1056         void cut_copy (Editing::CutCopyOp);
1057         bool can_cut_copy () const;
1058         void cut_copy_points (Editing::CutCopyOp);
1059         void cut_copy_regions (Editing::CutCopyOp, RegionSelection&);
1060         void cut_copy_ranges (Editing::CutCopyOp);
1061         void cut_copy_midi (Editing::CutCopyOp);
1062
1063         void mouse_paste ();
1064         void paste_internal (framepos_t position, float times);
1065
1066         /* EDITING OPERATIONS */
1067
1068         void reset_point_selection ();
1069         void toggle_region_lock ();
1070         void toggle_opaque_region ();
1071         void toggle_record_enable ();
1072         void toggle_region_lock_style ();
1073         void raise_region ();
1074         void raise_region_to_top ();
1075         void change_region_layering_order ();
1076         void lower_region ();
1077         void lower_region_to_bottom ();
1078         void split_regions_at (framepos_t, RegionSelection&);
1079         void split_region_at_transients ();
1080         void split_region_at_points (boost::shared_ptr<ARDOUR::Region>, ARDOUR::AnalysisFeatureList&, bool can_ferret, bool select_new = false);
1081         void crop_region_to_selection ();
1082         void crop_region_to (framepos_t start, framepos_t end);
1083         void set_sync_point (framepos_t, const RegionSelection&);
1084         void set_region_sync_position ();
1085         void remove_region_sync();
1086         void align_regions (ARDOUR::RegionPoint);
1087         void align_regions_relative (ARDOUR::RegionPoint point);
1088         void align_region (boost::shared_ptr<ARDOUR::Region>, ARDOUR::RegionPoint point, framepos_t position);
1089         void align_region_internal (boost::shared_ptr<ARDOUR::Region>, ARDOUR::RegionPoint point, framepos_t position);
1090         void remove_selected_regions ();
1091         void remove_clicked_region ();
1092         void show_region_properties ();
1093         void show_midi_list_editor ();
1094         void rename_region ();
1095         void duplicate_some_regions (RegionSelection&, float times);
1096         void duplicate_selection (float times);
1097         void region_fill_selection ();
1098
1099         void region_fill_track ();
1100         void audition_playlist_region_standalone (boost::shared_ptr<ARDOUR::Region>);
1101         void audition_playlist_region_via_route (boost::shared_ptr<ARDOUR::Region>, ARDOUR::Route&);
1102         void split_multichannel_region();
1103         void reverse_region ();
1104         void strip_region_silence ();
1105         void normalize_region ();
1106         void reset_region_scale_amplitude ();
1107         void adjust_region_gain (bool up);
1108         void quantize_region ();
1109         void insert_patch_change ();
1110         void fork_region ();
1111
1112         void do_insert_time ();
1113         void insert_time (framepos_t, framecnt_t, Editing::InsertTimeOption, bool, bool, bool, bool, bool);
1114
1115         void tab_to_transient (bool forward);
1116
1117         void set_tempo_from_region ();
1118         void use_range_as_bar ();
1119
1120         void define_one_bar (framepos_t start, framepos_t end);
1121
1122         void audition_region_from_region_list ();
1123         void hide_region_from_region_list ();
1124         void show_region_in_region_list ();
1125
1126         void naturalize_region ();
1127
1128         void reset_focus ();
1129
1130         void split_region ();
1131
1132         void cut ();
1133         void copy ();
1134         void paste (float times);
1135
1136         void place_transient ();
1137         void remove_transient (ArdourCanvas::Item* item);
1138         void snap_regions_to_grid ();
1139         void close_region_gaps ();
1140
1141         void keyboard_paste ();
1142
1143         void region_from_selection ();
1144         void create_region_from_selection (std::vector<boost::shared_ptr<ARDOUR::Region> >&);
1145
1146         void play_from_start ();
1147         void play_from_edit_point ();
1148         void play_from_edit_point_and_return ();
1149         void play_selected_region ();
1150         void play_edit_range ();
1151         void play_location (ARDOUR::Location&);
1152         void loop_location (ARDOUR::Location&);
1153
1154         void temporal_zoom_selection ();
1155         void temporal_zoom_region (bool both_axes);
1156         void zoom_to_region (bool both_axes);
1157         void temporal_zoom_session ();
1158         void temporal_zoom (gdouble scale);
1159         void temporal_zoom_by_frame (framepos_t start, framepos_t end, const std::string & op);
1160         void temporal_zoom_to_frame (bool coarser, framepos_t frame);
1161
1162         void insert_region_list_drag (boost::shared_ptr<ARDOUR::Region>, int x, int y);
1163         void insert_region_list_selection (float times);
1164
1165         void insert_route_list_drag (boost::shared_ptr<ARDOUR::Route>, int x, int y);
1166
1167         /* import & embed */
1168
1169         void add_external_audio_action (Editing::ImportMode);
1170         void external_audio_dialog ();
1171         void session_import_dialog ();
1172
1173         int  check_whether_and_how_to_import(std::string, bool all_or_nothing = true);
1174         bool check_multichannel_status (const std::vector<std::string>& paths);
1175
1176         SoundFileOmega* sfbrowser;
1177
1178         void bring_in_external_audio (Editing::ImportMode mode,  framepos_t& pos);
1179
1180         bool  idle_drop_paths  (std::vector<std::string> paths, framepos_t frame, double ypos);
1181         void  drop_paths_part_two  (const std::vector<std::string>& paths, framepos_t frame, double ypos);
1182
1183         int  import_sndfiles (std::vector<std::string> paths, Editing::ImportMode mode,  ARDOUR::SrcQuality, framepos_t& pos,
1184                               int target_regions, int target_tracks, boost::shared_ptr<ARDOUR::Track>&, bool);
1185         int  embed_sndfiles (std::vector<std::string> paths, bool multiple_files, bool& check_sample_rate, Editing::ImportMode mode,
1186                              framepos_t& pos, int target_regions, int target_tracks, boost::shared_ptr<ARDOUR::Track>&);
1187
1188         int add_sources (std::vector<std::string> paths, ARDOUR::SourceList& sources, framepos_t& pos, Editing::ImportMode,
1189                          int target_regions, int target_tracks, boost::shared_ptr<ARDOUR::Track>&, bool add_channel_suffix);
1190         int finish_bringing_in_material (boost::shared_ptr<ARDOUR::Region> region, uint32_t, uint32_t,  framepos_t& pos, Editing::ImportMode mode,
1191                                       boost::shared_ptr<ARDOUR::Track>& existing_track);
1192
1193         boost::shared_ptr<ARDOUR::AudioTrack> get_nth_selected_audio_track (int nth) const;
1194         boost::shared_ptr<ARDOUR::MidiTrack> get_nth_selected_midi_track (int nth) const;
1195
1196         ARDOUR::InterThreadInfo* current_interthread_info;
1197
1198         AnalysisWindow* analysis_window;
1199
1200         /* import specific info */
1201
1202         struct EditorImportStatus : public ARDOUR::ImportStatus {
1203             Editing::ImportMode mode;
1204             framepos_t pos;
1205             int target_tracks;
1206             int target_regions;
1207             boost::shared_ptr<ARDOUR::Track> track;
1208             bool replace;
1209         };
1210
1211         EditorImportStatus import_status;
1212         static void *_import_thread (void *);
1213         void* import_thread ();
1214         void finish_import ();
1215
1216         /* to support this ... */
1217
1218         void import_audio (bool as_tracks);
1219         void do_import (std::vector<std::string> paths, bool split, bool as_tracks);
1220
1221         void move_to_start ();
1222         void move_to_end ();
1223         void center_playhead ();
1224         void center_edit_point ();
1225         void playhead_forward_to_grid ();
1226         void playhead_backward_to_grid ();
1227         void scroll_playhead (bool forward);
1228         void scroll_backward (float pages=0.8f);
1229         void scroll_forward (float pages=0.8f);
1230         void scroll_tracks_down ();
1231         void scroll_tracks_up ();
1232         void set_mark ();
1233         void clear_markers ();
1234         void clear_ranges ();
1235         void clear_locations ();
1236         void unhide_markers ();
1237         void unhide_ranges ();
1238         void jump_forward_to_mark ();
1239         void jump_backward_to_mark ();
1240         void cursor_align (bool playhead_to_edit);
1241
1242         void remove_last_capture ();
1243         void select_all_selectables_using_time_selection ();
1244         void select_all_selectables_using_loop();
1245         void select_all_selectables_using_punch();
1246         void set_selection_from_range (ARDOUR::Location&);
1247         void set_selection_from_punch ();
1248         void set_selection_from_loop ();
1249         void set_selection_from_region ();
1250
1251         void add_location_mark (framepos_t where);
1252         void add_location_from_region ();
1253         void add_locations_from_region ();
1254         void add_location_from_selection ();
1255         void set_loop_from_selection (bool play);
1256         void set_punch_from_selection ();
1257         void set_punch_from_region ();
1258
1259         void set_loop_from_edit_range (bool play);
1260         void set_loop_from_region (bool play);
1261         void set_punch_from_edit_range ();
1262
1263         void set_loop_range (framepos_t start, framepos_t end, std::string cmd);
1264         void set_punch_range (framepos_t start, framepos_t end, std::string cmd);
1265
1266         void add_location_from_playhead_cursor ();
1267         bool select_new_marker;
1268
1269         void reverse_selection ();
1270         void edit_envelope ();
1271
1272         double last_scrub_x;
1273         int scrubbing_direction;
1274         int scrub_reversals;
1275         int scrub_reverse_distance;
1276         void scrub (framepos_t, double);
1277
1278         void keyboard_selection_begin ();
1279         void keyboard_selection_finish (bool add);
1280         bool have_pending_keyboard_selection;
1281         framepos_t pending_keyboard_selection_start;
1282
1283         boost::shared_ptr<ARDOUR::Region> select_region_for_operation (int dir, TimeAxisView **tv);
1284         void extend_selection_to_end_of_region (bool next);
1285         void extend_selection_to_start_of_region (bool previous);
1286
1287         Editing::SnapType _snap_type;
1288         Editing::SnapMode _snap_mode;
1289
1290         /// Snap threshold in pixels
1291         double snap_threshold;
1292
1293         bool ignore_gui_changes;
1294
1295         DragManager* _drags;
1296
1297         void escape ();
1298
1299         Gtk::Menu fade_context_menu;
1300         void popup_fade_context_menu (int, int, ArdourCanvas::Item*, ItemType);
1301
1302         void set_fade_in_shape (ARDOUR::FadeShape);
1303         void set_fade_out_shape (ARDOUR::FadeShape);
1304
1305         void set_fade_length (bool in);
1306         void set_fade_in_active (bool);
1307         void set_fade_out_active (bool);
1308
1309         std::set<boost::shared_ptr<ARDOUR::Playlist> > motion_frozen_playlists;
1310
1311         bool _dragging_playhead;
1312         bool _dragging_edit_point;
1313
1314         void marker_drag_motion_callback (GdkEvent*);
1315         void marker_drag_finished_callback (GdkEvent*);
1316
1317         gint mouse_rename_region (ArdourCanvas::Item*, GdkEvent*);
1318
1319         void add_region_drag (ArdourCanvas::Item*, GdkEvent*, RegionView*);
1320         void start_create_region_grab (ArdourCanvas::Item*, GdkEvent*);
1321         void add_region_copy_drag (ArdourCanvas::Item*, GdkEvent*, RegionView*);
1322         void add_region_brush_drag (ArdourCanvas::Item*, GdkEvent*, RegionView*);
1323         void start_selection_grab (ArdourCanvas::Item*, GdkEvent*);
1324
1325         void region_view_item_click (AudioRegionView&, GdkEventButton*);
1326
1327         void remove_gain_control_point (ArdourCanvas::Item*, GdkEvent*);
1328         void remove_control_point (ArdourCanvas::Item*, GdkEvent*);
1329
1330         void mouse_brush_insert_region (RegionView*, framepos_t pos);
1331         void brush (framepos_t);
1332
1333         void show_verbose_time_cursor (framepos_t frame, double offset = 0, double xpos=-1, double ypos=-1);
1334         void show_verbose_duration_cursor (framepos_t start, framepos_t end, double offset = 0, double xpos=-1, double ypos=-1);
1335         double clamp_verbose_cursor_x (double);
1336         double clamp_verbose_cursor_y (double);
1337
1338         /* Canvas event handlers */
1339
1340         bool canvas_control_point_event (GdkEvent* event,ArdourCanvas::Item*, ControlPoint*);
1341         bool canvas_line_event (GdkEvent* event,ArdourCanvas::Item*, AutomationLine*);
1342         bool canvas_selection_rect_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1343         bool canvas_selection_start_trim_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1344         bool canvas_selection_end_trim_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1345         bool canvas_crossfade_view_event (GdkEvent* event,ArdourCanvas::Item*, CrossfadeView*);
1346         bool canvas_fade_in_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1347         bool canvas_fade_in_handle_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1348         bool canvas_fade_out_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1349         bool canvas_fade_out_handle_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1350         bool canvas_region_view_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1351         bool canvas_frame_handle_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1352         bool canvas_region_view_name_highlight_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1353         bool canvas_region_view_name_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1354         bool canvas_feature_line_event (GdkEvent* event, ArdourCanvas::Item*, RegionView*);
1355         bool canvas_stream_view_event (GdkEvent* event,ArdourCanvas::Item*, RouteTimeAxisView*);
1356         bool canvas_marker_event (GdkEvent* event,ArdourCanvas::Item*, Marker*);
1357         bool canvas_zoom_rect_event (GdkEvent* event,ArdourCanvas::Item*);
1358         bool canvas_tempo_marker_event (GdkEvent* event,ArdourCanvas::Item*, TempoMarker*);
1359         bool canvas_meter_marker_event (GdkEvent* event,ArdourCanvas::Item*, MeterMarker*);
1360         bool canvas_automation_track_event(GdkEvent* event, ArdourCanvas::Item*, AutomationTimeAxisView*) ;
1361         bool canvas_note_event (GdkEvent* event, ArdourCanvas::Item*);
1362
1363         bool canvas_tempo_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1364         bool canvas_meter_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1365         bool canvas_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1366         bool canvas_range_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1367         bool canvas_transport_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1368         bool canvas_cd_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1369
1370         bool canvas_imageframe_item_view_event(GdkEvent* event, ArdourCanvas::Item*,ImageFrameView*);
1371         bool canvas_imageframe_view_event(GdkEvent* event, ArdourCanvas::Item*,ImageFrameTimeAxis*);
1372         bool canvas_imageframe_start_handle_event(GdkEvent* event, ArdourCanvas::Item*,ImageFrameView*);
1373         bool canvas_imageframe_end_handle_event(GdkEvent* event, ArdourCanvas::Item*,ImageFrameView*);
1374         bool canvas_marker_time_axis_view_event(GdkEvent* event, ArdourCanvas::Item*,MarkerTimeAxis*);
1375         bool canvas_markerview_item_view_event(GdkEvent* event, ArdourCanvas::Item*,MarkerView*);
1376         bool canvas_markerview_start_handle_event(GdkEvent* event, ArdourCanvas::Item*,MarkerView*);
1377         bool canvas_markerview_end_handle_event(GdkEvent* event, ArdourCanvas::Item*,MarkerView*);
1378
1379         PBD::Signal0<void> EditorFreeze;
1380         PBD::Signal0<void> EditorThaw;
1381
1382   private:
1383         friend class DragManager;
1384         friend class EditorRouteGroups;
1385         friend class EditorRegions;
1386
1387         ArdourCanvas::Item *last_item_entered;
1388         /** true if the mouse is over a place where region trim can happen */
1389         bool _over_region_trim_target;
1390
1391         /* non-public event handlers */
1392
1393         bool canvas_playhead_cursor_event (GdkEvent* event, ArdourCanvas::Item*);
1394         bool track_canvas_scroll (GdkEventScroll* event);
1395
1396         bool track_canvas_scroll_event (GdkEventScroll* event);
1397         bool track_canvas_button_press_event (GdkEventButton* event);
1398         bool track_canvas_button_release_event (GdkEventButton* event);
1399         bool track_canvas_motion_notify_event (GdkEventMotion* event);
1400
1401         Gtk::Allocation canvas_allocation;
1402         void track_canvas_allocate (Gtk::Allocation alloc);
1403         bool track_canvas_size_allocated ();
1404         bool track_canvas_drag_motion (Glib::RefPtr<Gdk::DragContext> const &, int, int, guint);
1405         bool track_canvas_key_press (GdkEventKey *);
1406         bool track_canvas_key_release (GdkEventKey *);
1407
1408         void set_playhead_cursor ();
1409
1410         void kbd_driver (sigc::slot<void,GdkEvent*>, bool use_track_canvas = true, bool use_time_canvas = true, bool can_select = true);
1411         void toggle_region_mute ();
1412         void kbd_brush ();
1413
1414         void kbd_do_brush (GdkEvent*);
1415         void kbd_do_audition (GdkEvent*);
1416
1417         void initialize_canvas ();
1418
1419         /* display control */
1420
1421         bool _show_measures;
1422         /// true if the editor should follow the playhead, otherwise false
1423         bool _follow_playhead;
1424         /// true if we scroll the tracks rather than the playhead
1425         bool _stationary_playhead;
1426
1427         ARDOUR::TempoMap::BBTPointList *current_bbt_points;
1428
1429         TempoLines* tempo_lines;
1430
1431         ArdourCanvas::Group* time_line_group;
1432
1433         void hide_measures ();
1434         void draw_measures ();
1435         bool redraw_measures ();
1436
1437         void new_tempo_section ();
1438
1439         void mouse_add_new_tempo_event (framepos_t where);
1440         void mouse_add_new_meter_event (framepos_t where);
1441
1442         void remove_tempo_marker (ArdourCanvas::Item*);
1443         void remove_meter_marker (ArdourCanvas::Item*);
1444         gint real_remove_tempo_marker (ARDOUR::TempoSection*);
1445         gint real_remove_meter_marker (ARDOUR::MeterSection*);
1446
1447         void edit_tempo_section (ARDOUR::TempoSection*);
1448         void edit_meter_section (ARDOUR::MeterSection*);
1449         void edit_tempo_marker (ArdourCanvas::Item*);
1450         void edit_meter_marker (ArdourCanvas::Item*);
1451         void edit_control_point (ArdourCanvas::Item*);
1452         void edit_note (ArdourCanvas::Item *);
1453
1454         void marker_menu_edit ();
1455         void marker_menu_remove ();
1456         void marker_menu_rename ();
1457         void toggle_marker_menu_lock ();
1458         void toggle_marker_menu_glue ();
1459         void marker_menu_hide ();
1460         void marker_menu_loop_range ();
1461         void marker_menu_select_all_selectables_using_range ();
1462         void marker_menu_select_using_range ();
1463         void marker_menu_separate_regions_using_location ();
1464         void marker_menu_play_from ();
1465         void marker_menu_play_range ();
1466         void marker_menu_set_playhead ();
1467         void marker_menu_set_from_playhead ();
1468         void marker_menu_set_from_selection ();
1469         void marker_menu_range_to_next ();
1470         void new_transport_marker_menu_set_loop ();
1471         void new_transport_marker_menu_set_punch ();
1472         void update_loop_range_view (bool visibility=false);
1473         void update_punch_range_view (bool visibility=false);
1474         void new_transport_marker_menu_popdown ();
1475         void marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1476         void tempo_or_meter_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1477         void transport_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1478         void new_transport_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1479         void build_range_marker_menu (bool);
1480         void build_marker_menu (ARDOUR::Location *);
1481         void build_tempo_or_meter_marker_menu (bool);
1482         void build_new_transport_marker_menu ();
1483         void dynamic_cast_marker_object (void*, MeterMarker**, TempoMarker**) const;
1484
1485         Gtk::Menu* tempo_or_meter_marker_menu;
1486         Gtk::Menu* marker_menu;
1487         Gtk::Menu* range_marker_menu;
1488         Gtk::Menu* transport_marker_menu;
1489         Gtk::Menu* new_transport_marker_menu;
1490         Gtk::Menu* cd_marker_menu;
1491         ArdourCanvas::Item* marker_menu_item;
1492
1493         typedef std::list<Marker*> Marks;
1494         Marks metric_marks;
1495
1496         void remove_metric_marks ();
1497         void draw_metric_marks (const ARDOUR::Metrics& metrics);
1498
1499         void compute_current_bbt_points (framepos_t left, framepos_t right);
1500         void tempo_map_changed (const PBD::PropertyChange&);
1501         void redisplay_tempo (bool immediate_redraw);
1502
1503         uint32_t bbt_beat_subdivision;
1504
1505         /* toolbar */
1506
1507         Gtk::ToggleButton editor_mixer_button;
1508         Gtk::ToggleButton editor_list_button;
1509         void editor_mixer_button_toggled ();
1510         void editor_list_button_toggled ();
1511
1512         AudioClock               zoom_range_clock;
1513         Gtk::Button              zoom_in_button;
1514         Gtk::Button              zoom_out_button;
1515         Gtk::Button              zoom_out_full_button;
1516         Gtk::Button              zoom_onetoone_button;
1517
1518         Gtk::Button              tav_expand_button;
1519         Gtk::Button              tav_shrink_button;
1520
1521         Gtk::VBox                toolbar_clock_vbox;
1522         Gtk::VBox                toolbar_selection_clock_vbox;
1523         Gtk::Table               toolbar_selection_clock_table;
1524         Gtk::Label               toolbar_selection_cursor_label;
1525
1526         Gtkmm2ext::TearOff*      _mouse_mode_tearoff;
1527         Gtkmm2ext::StatefulToggleButton mouse_select_button;
1528         Gtkmm2ext::StatefulToggleButton mouse_move_button;
1529         Gtkmm2ext::StatefulToggleButton mouse_gain_button;
1530         Gtkmm2ext::StatefulToggleButton mouse_zoom_button;
1531         Gtkmm2ext::StatefulToggleButton mouse_timefx_button;
1532         Gtkmm2ext::StatefulToggleButton mouse_audition_button;
1533         Gtkmm2ext::StatefulToggleButton join_object_range_button;
1534
1535         void                     mouse_mode_toggled (Editing::MouseMode m);
1536         void                     mouse_mode_object_range_toggled () {}
1537         bool                     ignore_mouse_mode_toggle;
1538
1539         Gtkmm2ext::StatefulToggleButton internal_edit_button;
1540         void                     toggle_internal_editing ();
1541
1542         gint                     mouse_select_button_release (GdkEventButton*);
1543
1544         Gtk::VBox                automation_box;
1545         Gtk::Button              automation_mode_button;
1546         Gtk::ToggleButton        global_automation_button;
1547
1548         Gtk::ComboBoxText edit_mode_selector;
1549         Gtk::VBox         edit_mode_box;
1550         std::vector<std::string> edit_mode_strings;
1551
1552         void set_edit_mode (ARDOUR::EditMode);
1553         void cycle_edit_mode ();
1554         void edit_mode_selection_done ();
1555
1556         Gtk::ComboBoxText snap_type_selector;
1557         Gtk::ComboBoxText snap_mode_selector;
1558         Gtk::HBox         snap_box;
1559
1560         std::vector<std::string> snap_type_strings;
1561         std::vector<std::string> snap_mode_strings;
1562
1563         void snap_type_selection_done ();
1564         void snap_mode_selection_done ();
1565         void snap_mode_chosen (Editing::SnapMode);
1566         void snap_type_chosen (Editing::SnapType);
1567
1568         Glib::RefPtr<Gtk::RadioAction> snap_type_action (Editing::SnapType);
1569         Glib::RefPtr<Gtk::RadioAction> snap_mode_action (Editing::SnapMode);
1570
1571         Gtk::ComboBoxText zoom_focus_selector;
1572         Gtk::VBox         zoom_focus_box;
1573
1574         std::vector<std::string> zoom_focus_strings;
1575
1576         void zoom_focus_selection_done ();
1577         void zoom_focus_chosen (Editing::ZoomFocus);
1578
1579         Glib::RefPtr<Gtk::RadioAction> zoom_focus_action (Editing::ZoomFocus);
1580
1581         Gtk::HBox           _zoom_box;
1582         Gtkmm2ext::TearOff* _zoom_tearoff;
1583         void                zoom_adjustment_changed();
1584
1585         void setup_toolbar ();
1586
1587         void setup_tooltips ();
1588
1589         Gtkmm2ext::TearOff*     _tools_tearoff;
1590         Gtk::HBox                toolbar_hbox;
1591         Gtk::EventBox            toolbar_base;
1592         Gtk::Frame               toolbar_frame;
1593         Gtk::Viewport           _toolbar_viewport;
1594
1595         /* midi toolbar */
1596
1597         Gtk::HBox                panic_box;
1598         Gtk::Button              midi_panic_button;
1599         Gtk::ToggleButton        midi_sound_notes;
1600         void                     midi_panic ();
1601         bool                     sound_notes () const { return midi_sound_notes.get_active(); }
1602
1603         void setup_midi_toolbar ();
1604
1605         /* selection process */
1606
1607         Selection* selection;
1608         Selection* cut_buffer;
1609
1610         void time_selection_changed ();
1611         void track_selection_changed ();
1612         void region_selection_changed ();
1613         sigc::connection editor_regions_selection_changed_connection;
1614         void sensitize_all_region_actions (bool);
1615         void sensitize_the_right_region_actions ();
1616         bool _all_region_actions_sensitized;
1617         /** Flag to block region action handlers from doing what they normally do;
1618          *  I tried Gtk::Action::block_activate() but this doesn't work (ie it doesn't
1619          *  block) when setting a ToggleAction's active state.
1620          */
1621         bool _ignore_region_action;
1622         bool _last_region_menu_was_main;
1623         void point_selection_changed ();
1624         void marker_selection_changed ();
1625
1626         void cancel_selection ();
1627
1628         bool audio_region_selection_covers (framepos_t where);
1629
1630         /* transport range select process */
1631
1632         ArdourCanvas::SimpleRect*  cd_marker_bar_drag_rect;
1633         ArdourCanvas::SimpleRect*  range_bar_drag_rect;
1634         ArdourCanvas::SimpleRect*  transport_bar_drag_rect;
1635
1636 #ifdef GTKOSX
1637         ArdourCanvas::SimpleRect     *bogus_background_rect;
1638 #endif
1639         ArdourCanvas::SimpleRect     *transport_bar_range_rect;
1640         ArdourCanvas::SimpleRect     *transport_bar_preroll_rect;
1641         ArdourCanvas::SimpleRect     *transport_bar_postroll_rect;
1642         ArdourCanvas::SimpleRect     *transport_loop_range_rect;
1643         ArdourCanvas::SimpleRect     *transport_punch_range_rect;
1644         ArdourCanvas::SimpleLine     *transport_punchin_line;
1645         ArdourCanvas::SimpleLine     *transport_punchout_line;
1646         ArdourCanvas::SimpleRect     *transport_preroll_rect;
1647         ArdourCanvas::SimpleRect     *transport_postroll_rect;
1648
1649         ARDOUR::Location*  transport_loop_location();
1650         ARDOUR::Location*  transport_punch_location();
1651
1652         ARDOUR::Location   *temp_location;
1653
1654         /* object rubberband select process */
1655
1656         void select_all_within (framepos_t, framepos_t, double, double, TrackViewList const &, Selection::Operation, bool);
1657
1658         ArdourCanvas::SimpleRect   *rubberband_rect;
1659
1660         /* mouse zoom process */
1661
1662         ArdourCanvas::SimpleRect   *zoom_rect;
1663         void reposition_zoom_rect (framepos_t start, framepos_t end);
1664
1665         EditorRouteGroups* _route_groups;
1666         EditorRoutes* _routes;
1667         EditorRegions* _regions;
1668         EditorSnapshots* _snapshots;
1669         EditorLocations* _locations;
1670
1671         /* diskstream/route display management */
1672         Glib::RefPtr<Gdk::Pixbuf> rec_enabled_icon;
1673         Glib::RefPtr<Gdk::Pixbuf> rec_disabled_icon;
1674
1675         Glib::RefPtr<Gtk::TreeSelection> route_display_selection;
1676
1677         bool sync_track_view_list_and_routes ();
1678
1679         Gtk::VBox           list_vpacker;
1680
1681         /* autoscrolling */
1682
1683         bool autoscroll_active;
1684         int autoscroll_timeout_tag;
1685         int autoscroll_x;
1686         int autoscroll_y;
1687         int last_autoscroll_x;
1688         int last_autoscroll_y;
1689         uint32_t autoscroll_cnt;
1690         framecnt_t autoscroll_x_distance;
1691         double autoscroll_y_distance;
1692
1693         static gint _autoscroll_canvas (void *);
1694         bool autoscroll_canvas ();
1695         void start_canvas_autoscroll (int x, int y);
1696         void stop_canvas_autoscroll ();
1697
1698         /* trimming */
1699         void point_trim (GdkEvent *, framepos_t);
1700
1701         void trim_region_front();
1702         void trim_region_back();
1703         void trim_region (bool front);
1704
1705         void trim_region_to_loop ();
1706         void trim_region_to_punch ();
1707         void trim_region_to_location (const ARDOUR::Location&, const char* cmd);
1708
1709         void trim_to_region(bool forward);
1710         void trim_region_to_previous_region_end();
1711         void trim_region_to_next_region_start();
1712
1713         bool show_gain_after_trim;
1714
1715         /* Drag-n-Drop */
1716
1717         int convert_drop_to_paths (
1718                 std::vector<std::string>&           paths,
1719                 const Glib::RefPtr<Gdk::DragContext>& context,
1720                 gint                                  x,
1721                 gint                                  y,
1722                 const Gtk::SelectionData&             data,
1723                 guint                                 info,
1724                 guint                                 time);
1725
1726         void track_canvas_drag_data_received (
1727                 const Glib::RefPtr<Gdk::DragContext>& context,
1728                 gint                                  x,
1729                 gint                                  y,
1730                 const Gtk::SelectionData&             data,
1731                 guint                                 info,
1732                 guint                                 time);
1733
1734         void drop_paths (
1735                 const Glib::RefPtr<Gdk::DragContext>& context,
1736                 gint                                  x,
1737                 gint                                  y,
1738                 const Gtk::SelectionData&             data,
1739                 guint                                 info,
1740                 guint                                 time);
1741
1742         void drop_regions (
1743                 const Glib::RefPtr<Gdk::DragContext>& context,
1744                 gint                                  x,
1745                 gint                                  y,
1746                 const Gtk::SelectionData&             data,
1747                 guint                                 info,
1748                 guint                                 time);
1749
1750         void drop_routes (
1751                 const Glib::RefPtr<Gdk::DragContext>& context,
1752                 gint                x,
1753                 gint                y,
1754                 const Gtk::SelectionData& data,
1755                 guint               info,
1756                 guint               time);
1757
1758         /* audio export */
1759
1760         int  write_region_selection(RegionSelection&);
1761         bool write_region (std::string path, boost::shared_ptr<ARDOUR::AudioRegion>);
1762         void bounce_region_selection ();
1763         void bounce_range_selection (bool replace, bool enable_processing);
1764         void external_edit_region ();
1765
1766         int write_audio_selection (TimeSelection&);
1767         bool write_audio_range (ARDOUR::AudioPlaylist&, const ARDOUR::ChanCount& channels, std::list<ARDOUR::AudioRange>&);
1768
1769         void write_selection ();
1770
1771         XMLNode *before; /* used in *_reversible_command */
1772
1773         void update_title ();
1774         void update_title_s (const std::string & snapshot_name);
1775
1776         struct State {
1777             Selection* selection;
1778             double frames_per_unit;
1779
1780             State (PublicEditor const * e);
1781             ~State ();
1782         };
1783
1784         void instant_save ();
1785
1786         boost::shared_ptr<ARDOUR::AudioRegion> last_audition_region;
1787
1788         /* freeze operations */
1789
1790         ARDOUR::InterThreadInfo freeze_status;
1791         static void* _freeze_thread (void*);
1792         void* freeze_thread ();
1793
1794         void freeze_route ();
1795         void unfreeze_route ();
1796
1797         /* duplication */
1798
1799         void duplicate_dialog (bool with_dialog);
1800
1801         framepos_t event_frame (GdkEvent const *, double* px = 0, double* py = 0) const;
1802
1803         /* returns false if mouse pointer is not in track or marker canvas
1804          */
1805         bool mouse_frame (framepos_t&, bool& in_track_canvas) const;
1806
1807         /* "whats mine is yours" */
1808
1809         TimeFXDialog* current_timefx;
1810
1811         static void* timefx_thread (void *arg);
1812         void do_timefx (TimeFXDialog&);
1813
1814         int time_stretch (RegionSelection&, float fraction);
1815         int pitch_shift (RegionSelection&, float cents);
1816         void pitch_shift_region ();
1817         int time_fx (RegionSelection&, float val, bool pitching);
1818
1819         /* editor-mixer strip */
1820
1821         MixerStrip *current_mixer_strip;
1822         bool show_editor_mixer_when_tracks_arrive;
1823         Gtk::VBox current_mixer_strip_vbox;
1824         void cms_new (boost::shared_ptr<ARDOUR::Route>);
1825         void current_mixer_strip_hidden ();
1826
1827         void detach_tearoff (Gtk::Box* b, Gtk::Window* w);
1828         void reattach_tearoff (Gtk::Box* b, Gtk::Window* w, int32_t n);
1829 #ifdef GTKOSX
1830         void ensure_all_elements_drawn ();
1831 #endif
1832         /* nudging tracks */
1833
1834         void nudge_track (bool use_edit_point, bool forwards);
1835
1836         /* xfades */
1837
1838         bool _xfade_visibility;
1839
1840 #ifdef WITH_CMT
1841         void handle_new_imageframe_time_axis_view(const std::string & track_name, void* src) ;
1842         void handle_new_imageframe_marker_time_axis_view(const std::string & track_name, TimeAxisView* marked_track) ;
1843
1844         void start_imageframe_grab(ArdourCanvas::Item*, GdkEvent*) ;
1845         void start_markerview_grab(ArdourCanvas::Item*, GdkEvent*) ;
1846
1847         void imageframe_drag_motion_callback(ArdourCanvas::Item*, GdkEvent*) ;
1848         void markerview_drag_motion_callback(ArdourCanvas::Item*, GdkEvent*) ;
1849         void timeaxis_item_drag_finished_callback(ArdourCanvas::Item*, GdkEvent*) ;
1850
1851         gint canvas_imageframe_item_view_event(ArdourCanvas::Item* item, GdkEvent* event, ImageFrameView* ifv);
1852         gint canvas_imageframe_view_event(ArdourCanvas::Item* item, GdkEvent* event, ImageFrameTimeAxis* ifta);
1853         gint canvas_imageframe_start_handle_event(ArdourCanvas::Item* item, GdkEvent* event, ImageFrameView* ifv);
1854         gint canvas_imageframe_end_handle_event(ArdourCanvas::Item* item, GdkEvent* event, ImageFrameView* ifv);
1855
1856         gint canvas_marker_time_axis_view_event(ArdourCanvas::Item* item, GdkEvent* event, MarkerTimeAxis* mta);
1857         gint canvas_markerview_item_view_event(ArdourCanvas::Item* item, GdkEvent* event, MarkerView* mv);
1858         gint canvas_markerview_start_handle_event(ArdourCanvas::Item* item, GdkEvent* event, MarkerView* mv);
1859         gint canvas_markerview_end_handle_event(ArdourCanvas::Item* item, GdkEvent* event, MarkerView* mv);
1860
1861         void imageframe_start_handle_op(ArdourCanvas::Item* item, GdkEvent* event) ;
1862         void imageframe_end_handle_op(ArdourCanvas::Item* item, GdkEvent* event) ;
1863         void imageframe_start_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event) ;
1864         void imageframe_start_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event) ;
1865         void imageframe_end_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event) ;
1866         void imageframe_end_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event) ;
1867
1868         void markerview_item_start_handle_op(ArdourCanvas::Item* item, GdkEvent* event) ;
1869         void markerview_item_end_handle_op(ArdourCanvas::Item* item, GdkEvent* event) ;
1870         void markerview_start_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event) ;
1871         void markerview_start_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event) ;
1872         void markerview_end_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event) ;
1873         void markerview_end_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event) ;
1874
1875         void popup_imageframe_edit_menu(int button, int32_t time, ArdourCanvas::Item* ifv, bool with_frame) ;
1876         void popup_marker_time_axis_edit_menu(int button, int32_t time, ArdourCanvas::Item* ifv, bool with_frame) ;
1877
1878         ImageFrameSocketHandler* image_socket_listener ;
1879 #endif
1880
1881         void toggle_xfade_active (boost::weak_ptr<ARDOUR::Crossfade>);
1882         void toggle_xfade_length (boost::weak_ptr<ARDOUR::Crossfade>);
1883         void edit_xfade (boost::weak_ptr<ARDOUR::Crossfade>);
1884         void xfade_edit_left_region ();
1885         void xfade_edit_right_region ();
1886
1887         static const int32_t default_width = 995;
1888         static const int32_t default_height = 765;
1889
1890         /* nudge */
1891
1892         Gtk::Button      nudge_forward_button;
1893         Gtk::Button      nudge_backward_button;
1894         Gtk::HBox        nudge_hbox;
1895         Gtk::VBox        nudge_vbox;
1896         AudioClock       nudge_clock;
1897
1898         bool nudge_forward_release (GdkEventButton*);
1899         bool nudge_backward_release (GdkEventButton*);
1900
1901         /* audio filters */
1902
1903         void apply_filter (ARDOUR::Filter&, std::string cmd, ProgressReporter* progress = 0);
1904
1905         Command* apply_midi_note_edit_op_to_region (ARDOUR::MidiOperator& op, MidiRegionView& mrv);
1906         void apply_midi_note_edit_op (ARDOUR::MidiOperator& op);
1907
1908         /* handling cleanup */
1909
1910         int playlist_deletion_dialog (boost::shared_ptr<ARDOUR::Playlist>);
1911
1912         PBD::ScopedConnectionList session_connections;
1913
1914         /* tracking step changes of track height */
1915
1916         TimeAxisView* current_stepping_trackview;
1917         ARDOUR::microseconds_t last_track_height_step_timestamp;
1918         gint track_height_step_timeout();
1919         sigc::connection step_timeout;
1920
1921         TimeAxisView* entered_track;
1922         /** If the mouse is over a RegionView or one of its child canvas items, this is set up
1923             to point to the RegionView.  Otherwise it is 0.
1924         */
1925         RegionView*   entered_regionview;
1926
1927
1928         void ensure_entered_track_selected (bool op_acts_on_objects = false);
1929         bool clear_entered_track;
1930         bool left_track_canvas (GdkEventCrossing*);
1931         bool entered_track_canvas (GdkEventCrossing*);
1932         void set_entered_track (TimeAxisView*);
1933         void set_entered_regionview (RegionView*);
1934         void ensure_track_visible (TimeAxisView*);
1935         gint left_automation_track ();
1936
1937         void reset_canvas_action_sensitivity (bool);
1938         void toggle_gain_envelope_visibility ();
1939         void toggle_gain_envelope_active ();
1940         void reset_region_gain_envelopes ();
1941
1942         bool on_key_press_event (GdkEventKey*);
1943         bool on_key_release_event (GdkEventKey*);
1944
1945         void session_state_saved (std::string);
1946
1947         Glib::RefPtr<Gtk::Action>              undo_action;
1948         Glib::RefPtr<Gtk::Action>              redo_action;
1949
1950         void history_changed ();
1951
1952         Gtk::HBox      status_bar_hpacker;
1953
1954         Editing::EditPoint _edit_point;
1955
1956         Gtk::ComboBoxText edit_point_selector;
1957
1958         void set_edit_point_preference (Editing::EditPoint ep, bool force = false);
1959         void cycle_edit_point (bool with_marker);
1960         void set_edit_point ();
1961         void edit_point_selection_done ();
1962         void edit_point_chosen (Editing::EditPoint);
1963         Glib::RefPtr<Gtk::RadioAction> edit_point_action (Editing::EditPoint);
1964         std::vector<std::string> edit_point_strings;
1965
1966         void selected_marker_moved (ARDOUR::Location*);
1967
1968         bool get_edit_op_range (framepos_t& start, framepos_t& end) const;
1969
1970         void get_regions_at (RegionSelection&, framepos_t where, const TrackViewList& ts) const;
1971         void get_regions_after (RegionSelection&, framepos_t where, const TrackViewList& ts) const;
1972
1973         RegionSelection get_regions_from_selection ();
1974         RegionSelection get_regions_from_selection_and_edit_point ();
1975         RegionSelection get_regions_from_selection_and_entered ();
1976
1977         void start_updating_meters ();
1978         void stop_updating_meters ();
1979         bool meters_running;
1980
1981         void select_next_route ();
1982         void select_prev_route ();
1983
1984         void snap_to_internal (framepos_t& first, int32_t direction = 0, bool for_mark = false);
1985         void timecode_snap_to_internal (framepos_t& first, int32_t direction = 0, bool for_mark = false);
1986
1987         RhythmFerret* rhythm_ferret;
1988         BundleManager* _bundle_manager;
1989
1990         void fit_tracks (TrackViewList &);
1991         void fit_selected_tracks ();
1992         void set_track_height (Height);
1993
1994         void remove_tracks ();
1995         void toggle_tracks_active ();
1996
1997         bool _have_idled;
1998         int resize_idle_id;
1999         static gboolean _idle_resize (gpointer);
2000         bool idle_resize();
2001         int32_t _pending_resize_amount;
2002         TimeAxisView* _pending_resize_view;
2003
2004         void visible_order_range (int*, int*) const;
2005
2006         void located ();
2007
2008         /** true if we've made a locate request that hasn't yet been processed */
2009         bool _pending_locate_request;
2010
2011         /** if true, there is a pending Session locate which is the initial one when loading a session;
2012             we need to know this so that we don't (necessarily) set the viewport to show the playhead
2013             initially.
2014         */
2015         bool _pending_initial_locate;
2016
2017         Gtk::HBox _summary_hbox;
2018         EditorSummary* _summary;
2019
2020         void region_view_added (RegionView *);
2021         void region_view_removed ();
2022
2023         void update_canvas_now ();
2024
2025         EditorGroupTabs* _group_tabs;
2026         void fit_route_group (ARDOUR::RouteGroup *);
2027
2028         void step_edit_status_change (bool);
2029         void start_step_editing ();
2030         void stop_step_editing ();
2031         bool check_step_edit ();
2032         sigc::connection step_edit_connection;
2033
2034         double _last_motion_y;
2035
2036         RegionLayeringOrderEditor* layering_order_editor;
2037         void update_region_layering_order_editor ();
2038
2039         /** Track that was the source for the last cut/copy operation.  Used as a place
2040             to paste things iff there is no selected track.
2041         */
2042         TimeAxisView* _last_cut_copy_source_track;
2043
2044         /** true if a change in Selection->regions should change the selection in the region list.
2045             See EditorRegions::selection_changed.
2046         */
2047         bool _region_selection_change_updates_region_list;
2048
2049         void setup_fade_images ();
2050         std::map<ARDOUR::FadeShape, Gtk::Image*> _fade_in_images;
2051         std::map<ARDOUR::FadeShape, Gtk::Image*> _fade_out_images;
2052
2053         Gtk::MenuItem& action_menu_item (std::string const &);
2054         void action_pre_activated (Glib::RefPtr<Gtk::Action> const &);
2055
2056         void set_canvas_cursor_for_region_view (double, RegionView *);
2057
2058         MouseCursors* _cursors;
2059
2060         void resize_text_widgets ();
2061
2062         friend class Drag;
2063         friend class RegionDrag;
2064         friend class RegionMoveDrag;
2065         friend class RegionSpliceDrag;
2066         friend class TrimDrag;
2067         friend class MeterMarkerDrag;
2068         friend class TempoMarkerDrag;
2069         friend class CursorDrag;
2070         friend class FadeInDrag;
2071         friend class FadeOutDrag;
2072         friend class MarkerDrag;
2073         friend class RegionGainDrag;
2074         friend class ControlPointDrag;
2075         friend class LineDrag;
2076         friend class RubberbandSelectDrag;
2077         friend class TimeFXDrag;
2078         friend class ScrubDrag;
2079         friend class SelectionDrag;
2080         friend class RangeMarkerBarDrag;
2081         friend class MouseZoomDrag;
2082         friend class RegionCreateDrag;
2083         friend class RegionMotionDrag;
2084         friend class RegionInsertDrag;
2085
2086         friend class EditorSummary;
2087         friend class EditorGroupTabs;
2088
2089         friend class EditorRoutes;
2090         friend class RhythmFerret;
2091 };
2092
2093 #endif /* __ardour_editor_h__ */