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