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 ensure_time_axis_view_is_visible (const TimeAxisView& tav);
 379         void scroll_tracks_down_line ();
 380         void scroll_tracks_up_line ();
 381
 382         void prepare_for_cleanup ();
 383         void finish_cleanup ();
 384
 385         void maximise_editing_space();
 386         void restore_editing_space();
 387
 388         void reset_x_origin (framepos_t);
 389         void reset_x_origin_to_follow_playhead ();
 390         void reset_y_origin (double);
 391         void reset_zoom (double);
 392         void reposition_and_zoom (framepos_t, double);
 393
 394         framepos_t get_preferred_edit_position (bool ignore_playhead = false);
 395
 396         bool update_mouse_speed ();
 397         bool decelerate_mouse_speed ();
 398
 399         void toggle_meter_updating();
 400
 401         void show_rhythm_ferret();
 402
 403         void goto_visual_state (uint32_t);
 404         void save_visual_state (uint32_t);
 405
 406         void queue_draw_resize_line (int at);
 407         void start_resize_line_ops ();
 408         void end_resize_line_ops ();
 409
 410         TrackViewList const & get_track_views () {
 411                 return track_views;
 412         }
 413
 414         int get_regionview_count_from_region_list (boost::shared_ptr<ARDOUR::Region>);
 415
 416         void do_import (std::vector<std::string> paths, Editing::ImportDisposition, Editing::ImportMode mode, ARDOUR::SrcQuality, framepos_t&);
 417         void do_embed (std::vector<std::string> paths, Editing::ImportDisposition, Editing::ImportMode mode,  framepos_t&);
 418
 419         void get_regions_corresponding_to (boost::shared_ptr<ARDOUR::Region> region, std::vector<RegionView*>& regions);
 420
 421         void center_screen (framepos_t);
 422
 423         TrackViewList axis_views_from_routes (boost::shared_ptr<ARDOUR::RouteList>) const;
 424         Gtkmm2ext::TearOff* mouse_mode_tearoff () const { return _mouse_mode_tearoff; }
 425         Gtkmm2ext::TearOff* tools_tearoff () const { return _tools_tearoff; }
 426
 427         void snap_to (framepos_t& first, int32_t direction = 0, bool for_mark = false);
 428         void snap_to_with_modifier (framepos_t& first, GdkEvent const *, int32_t direction = 0, bool for_mark = false);
 429         void snap_to (framepos_t& first, framepos_t& last, int32_t direction = 0, bool for_mark = false);
 430
 431         void begin_reversible_command (std::string cmd_name);
 432         void begin_reversible_command (GQuark);
 433         void commit_reversible_command ();
 434
 435         DragManager* drags () const {
 436                 return _drags;
 437         }
 438
 439         void maybe_autoscroll (bool, bool);
 440
 441         Gdk::Cursor* get_canvas_cursor () const { return current_canvas_cursor; }
 442         void set_canvas_cursor (Gdk::Cursor*, bool save=false);
 443         void set_current_trimmable (boost::shared_ptr<ARDOUR::Trimmable>);
 444         void set_current_movable (boost::shared_ptr<ARDOUR::Movable>);
 445
 446         MouseCursors const * cursors () const {
 447                 return _cursors;
 448         }
 449
 450         VerboseCursor* verbose_cursor () const {
 451                 return _verbose_cursor;
 452         }
 453
 454         void get_pointer_position (double &, double &) const;
 455
 456   protected:
 457         void map_transport_state ();
 458         void map_position_change (framepos_t);
 459
 460         void on_realize();
 461
 462   private:
 463
 464         void color_handler ();
 465
 466         bool                 constructed;
 467
 468         // to keep track of the playhead position for control_scroll
 469         boost::optional<framepos_t> _control_scroll_target;
 470
 471         PlaylistSelector* _playlist_selector;
 472
 473         typedef std::pair<TimeAxisView*,XMLNode*> TAVState;
 474
 475         struct VisualState {
 476             VisualState();
 477             ~VisualState ();
 478             double              y_position;
 479             double              frames_per_unit;
 480             framepos_t          leftmost_frame;
 481             Editing::ZoomFocus  zoom_focus;
 482             GUIObjectState*     gui_state;
 483         };
 484
 485         std::list<VisualState*> undo_visual_stack;
 486         std::list<VisualState*> redo_visual_stack;
 487         VisualState* current_visual_state (bool with_tracks = true);
 488         void undo_visual_state ();
 489         void redo_visual_state ();
 490         void use_visual_state (VisualState&);
 491         bool no_save_visual;
 492         void swap_visual_state ();
 493
 494         std::vector<VisualState*> visual_states;
 495         sigc::connection visual_state_op_connection;
 496         void start_visual_state_op (uint32_t n);
 497         void cancel_visual_state_op (uint32_t n);
 498         bool end_visual_state_op (uint32_t n);
 499
 500         framepos_t leftmost_frame;
 501         double      frames_per_unit;
 502         Editing::ZoomFocus zoom_focus;
 503
 504         void set_frames_per_unit (double);
 505         void post_zoom ();
 506
 507         Editing::MouseMode mouse_mode;
 508         Editing::MouseMode pre_internal_mouse_mode;
 509         bool _internal_editing;
 510         Editing::MouseMode effective_mouse_mode () const;
 511
 512         enum JoinObjectRangeState {
 513                 JOIN_OBJECT_RANGE_NONE,
 514                 /** `join object/range' mode is active and the mouse is over a place where object mode should happen */
 515                 JOIN_OBJECT_RANGE_OBJECT,
 516                 /** `join object/range' mode is active and the mouse is over a place where range mode should happen */
 517                 JOIN_OBJECT_RANGE_RANGE
 518         };
 519
 520         JoinObjectRangeState _join_object_range_state;
 521
 522         void update_join_object_range_location (double, double);
 523
 524         int  post_maximal_editor_width;
 525         int  post_maximal_editor_height;
 526         int  post_maximal_horizontal_pane_position;
 527         int  post_maximal_vertical_pane_position;
 528         int  pre_maximal_horizontal_pane_position;
 529         int  pre_maximal_vertical_pane_position;
 530         int  pre_maximal_editor_width;
 531         int  pre_maximal_editor_height;
 532         void pane_allocation_handler (Gtk::Allocation&, Gtk::Paned*);
 533
 534         Gtk::Notebook _the_notebook;
 535         bool _notebook_shrunk;
 536         void add_notebook_page (std::string const &, Gtk::Widget &);
 537         bool notebook_tab_clicked (GdkEventButton *, Gtk::Widget *);
 538
 539         Gtk::HPaned   edit_pane;
 540         Gtk::VPaned   editor_summary_pane;
 541
 542         bool idle_reset_vertical_pane_position (int);
 543
 544         Gtk::EventBox meter_base;
 545         Gtk::HBox     meter_box;
 546         Gtk::EventBox marker_base;
 547         Gtk::HBox     marker_box;
 548         Gtk::VBox     scrollers_rulers_markers_box;
 549
 550         void location_changed (ARDOUR::Location *);
 551         void location_flags_changed (ARDOUR::Location *, void *);
 552         void refresh_location_display ();
 553         void refresh_location_display_internal (ARDOUR::Locations::LocationList&);
 554         void add_new_location (ARDOUR::Location *);
 555         ArdourCanvas::Group* add_new_location_internal (ARDOUR::Location *);
 556         void location_gone (ARDOUR::Location *);
 557         void remove_marker (ArdourCanvas::Item&, GdkEvent*);
 558         gint really_remove_marker (ARDOUR::Location* loc);
 559         void goto_nth_marker (int nth);
 560         void toggle_marker_lines ();
 561         void set_marker_line_visibility (bool);
 562
 563         uint32_t location_marker_color;
 564         uint32_t location_range_color;
 565         uint32_t location_loop_color;
 566         uint32_t location_punch_color;
 567         uint32_t location_cd_marker_color;
 568
 569         struct LocationMarkers {
 570                 Marker* start;
 571                 Marker* end;
 572                 bool    valid;
 573
 574                 LocationMarkers () : start(0), end(0), valid (true) {}
 575
 576                 ~LocationMarkers ();
 577
 578                 void hide ();
 579                 void show ();
 580
 581                 void set_show_lines (bool);
 582                 void set_selected (bool);
 583                 void canvas_height_set (double);
 584                 void setup_lines ();
 585
 586                 void set_name (const std::string&);
 587                 void set_position (framepos_t start, framepos_t end = 0);
 588                 void set_color_rgba (uint32_t);
 589         };
 590
 591         LocationMarkers  *find_location_markers (ARDOUR::Location *) const;
 592         ARDOUR::Location* find_location_from_marker (Marker *, bool& is_start) const;
 593         Marker* entered_marker;
 594         bool _show_marker_lines;
 595
 596         typedef std::map<ARDOUR::Location*,LocationMarkers *> LocationMarkerMap;
 597         LocationMarkerMap location_markers;
 598
 599         void update_marker_labels ();
 600         void update_marker_labels (ArdourCanvas::Group *);
 601         void check_marker_label (Marker *);
 602
 603         /** A set of lists of Markers that are in each of the canvas groups
 604          *  for the marker sections at the top of the editor.  These lists
 605          *  are kept sorted in time order between marker movements, so that after
 606          *  a marker has moved we can decide whether we need to update the labels
 607          *  for all markers or for just a few.
 608          */
 609         std::map<ArdourCanvas::Group *, std::list<Marker *> > _sorted_marker_lists;
 610         void remove_sorted_marker (Marker *);
 611
 612         void hide_marker (ArdourCanvas::Item*, GdkEvent*);
 613         void clear_marker_display ();
 614         void mouse_add_new_marker (framepos_t where, bool is_cd=false, bool is_xrun=false);
 615         bool choose_new_marker_name(std::string &name);
 616         void update_cd_marker_display ();
 617         void ensure_cd_marker_updated (LocationMarkers * lam, ARDOUR::Location * location);
 618
 619         TimeAxisView*      clicked_axisview;
 620         RouteTimeAxisView* clicked_routeview;
 621         /** The last RegionView that was clicked on, or 0 if the last click was not
 622          * on a RegionView.  This is set up by the canvas event handlers in
 623          * editor_canvas_events.cc
 624          */
 625         RegionView*        clicked_regionview;
 626         RegionSelection    latest_regionviews;
 627         uint32_t           clicked_selection;
 628         CrossfadeView*     clicked_crossfadeview;
 629         ControlPoint*      clicked_control_point;
 630
 631         void sort_track_selection (TrackViewList* sel = 0);
 632
 633         void get_equivalent_regions (RegionView* rv, std::vector<RegionView*> &, PBD::PropertyID) const;
 634         RegionSelection get_equivalent_regions (RegionSelection &, PBD::PropertyID) const;
 635         void mapover_tracks (sigc::slot<void,RouteTimeAxisView&,uint32_t> sl, TimeAxisView*, PBD::PropertyID) const;
 636
 637         /* functions to be passed to mapover_tracks(), possibly with sigc::bind()-supplied arguments */
 638
 639         void mapped_get_equivalent_regions (RouteTimeAxisView&, uint32_t, RegionView *, std::vector<RegionView*>*) const;
 640         void mapped_use_new_playlist (RouteTimeAxisView&, uint32_t, std::vector<boost::shared_ptr<ARDOUR::Playlist> > const &);
 641         void mapped_use_copy_playlist (RouteTimeAxisView&, uint32_t, std::vector<boost::shared_ptr<ARDOUR::Playlist> > const &);
 642         void mapped_clear_playlist (RouteTimeAxisView&, uint32_t);
 643
 644         /* end */
 645
 646         void button_selection (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_type);
 647         bool button_release_can_deselect;
 648
 649         void catch_vanishing_regionview (RegionView *);
 650
 651         void set_selected_track (TimeAxisView&, Selection::Operation op = Selection::Set, bool no_remove=false);
 652         void select_all_tracks ();
 653         void select_all_internal_edit (Selection::Operation);
 654
 655         bool set_selected_control_point_from_click (Selection::Operation op = Selection::Set, bool no_remove=false);
 656         void set_selected_track_from_click (bool press, Selection::Operation op = Selection::Set, bool no_remove=false);
 657         void set_selected_track_as_side_effect (Selection::Operation op, bool force = false);
 658         bool set_selected_regionview_from_click (bool press, Selection::Operation op = Selection::Set, bool no_track_remove=false);
 659
 660         bool set_selected_regionview_from_map_event (GdkEventAny*, StreamView*, boost::weak_ptr<ARDOUR::Region>);
 661         void collect_new_region_view (RegionView *);
 662         void collect_and_select_new_region_view (RegionView *);
 663
 664         long select_range_around_region (RegionView *);
 665
 666         Gtk::Menu track_context_menu;
 667         Gtk::Menu track_region_context_menu;
 668         Gtk::Menu track_selection_context_menu;
 669         Gtk::Menu track_crossfade_context_menu;
 670
 671         Gtk::MenuItem* region_edit_menu_split_item;
 672         Gtk::MenuItem* region_edit_menu_split_multichannel_item;
 673         Gtk::Menu * track_region_edit_playlist_menu;
 674         Gtk::Menu * track_edit_playlist_submenu;
 675         Gtk::Menu * track_selection_edit_playlist_submenu;
 676
 677         void popup_track_context_menu (int, int, ItemType, bool);
 678         Gtk::Menu* build_track_context_menu ();
 679         Gtk::Menu* build_track_bus_context_menu ();
 680         Gtk::Menu* build_track_region_context_menu ();
 681         Gtk::Menu* build_track_crossfade_context_menu ();
 682         Gtk::Menu* build_track_selection_context_menu ();
 683         void add_dstream_context_items (Gtk::Menu_Helpers::MenuList&);
 684         void add_bus_context_items (Gtk::Menu_Helpers::MenuList&);
 685         void add_region_context_items (Gtk::Menu_Helpers::MenuList&, boost::shared_ptr<ARDOUR::Track>);
 686         void add_crossfade_context_items (AudioStreamView*, boost::shared_ptr<ARDOUR::Crossfade>, Gtk::Menu_Helpers::MenuList&, bool many);
 687         void add_selection_context_items (Gtk::Menu_Helpers::MenuList&);
 688         Gtk::MenuItem* _popup_region_menu_item;
 689
 690         void popup_control_point_context_menu (ArdourCanvas::Item *, GdkEvent *);
 691         Gtk::Menu _control_point_context_menu;
 692
 693         void handle_new_route (ARDOUR::RouteList&);
 694         void timeaxisview_deleted (TimeAxisView *);
 695
 696         Gtk::HBox           global_hpacker;
 697         Gtk::VBox           global_vpacker;
 698         Gtk::VBox           vpacker;
 699
 700         Gdk::Cursor*          current_canvas_cursor;
 701         Gdk::Cursor* which_grabber_cursor ();
 702         void set_canvas_cursor ();
 703
 704         ArdourCanvas::Canvas* track_canvas;
 705
 706         friend class VerboseCursor;
 707         VerboseCursor* _verbose_cursor;
 708
 709         void parameter_changed (std::string);
 710
 711         bool track_canvas_motion (GdkEvent*);
 712
 713         Gtk::EventBox             time_canvas_event_box;
 714         Gtk::EventBox             track_canvas_event_box;
 715         Gtk::EventBox             time_button_event_box;
 716         Gtk::EventBox             ruler_label_event_box;
 717
 718         ArdourCanvas::Group      *minsec_group;
 719         ArdourCanvas::Pixbuf     *logo_item;
 720         ArdourCanvas::Group      *bbt_group;
 721         ArdourCanvas::Group      *timecode_group;
 722         ArdourCanvas::Group      *frame_group;
 723         ArdourCanvas::Group      *tempo_group;
 724         ArdourCanvas::Group      *meter_group;
 725         ArdourCanvas::Group      *marker_group;
 726         ArdourCanvas::Group      *range_marker_group;
 727         ArdourCanvas::Group      *transport_marker_group;
 728         ArdourCanvas::Group*      cd_marker_group;
 729
 730         ArdourCanvas::Group*      timebar_group;
 731
 732         /* These bars never need to be scrolled */
 733         ArdourCanvas::Group*      meter_bar_group;
 734         ArdourCanvas::Group*      tempo_bar_group;
 735         ArdourCanvas::Group*      marker_bar_group;
 736         ArdourCanvas::Group*      range_marker_bar_group;
 737         ArdourCanvas::Group*      transport_marker_bar_group;
 738         ArdourCanvas::Group*      cd_marker_bar_group;
 739
 740         /** The group containing all items that require horizontal scrolling. */
 741         ArdourCanvas::Group* _background_group;
 742         /*
 743            The _master_group is the group containing all items
 744            that require horizontal scrolling..
 745            It is primarily used to separate canvas items
 746            that require horizontal scrolling from those that do not.
 747         */
 748         ArdourCanvas::Group* _master_group;
 749
 750         /* The group containing all trackviews.  Only scrolled vertically. */
 751         ArdourCanvas::Group* _trackview_group;
 752
 753         /* The group used for region motion.  Sits on top of _trackview_group */
 754         ArdourCanvas::Group* _region_motion_group;
 755
 756         enum RulerType {
 757                 ruler_metric_timecode = 0,
 758                 ruler_metric_bbt = 1,
 759                 ruler_metric_samples = 2,
 760                 ruler_metric_minsec = 3,
 761
 762                 ruler_time_tempo = 4,
 763                 ruler_time_meter = 5,
 764                 ruler_time_marker = 6,
 765                 ruler_time_range_marker = 7,
 766                 ruler_time_transport_marker = 8,
 767                 ruler_time_cd_marker = 9,
 768         };
 769
 770         static GtkCustomMetric ruler_metrics[4];
 771         Glib::RefPtr<Gtk::ToggleAction> ruler_timecode_action;
 772         Glib::RefPtr<Gtk::ToggleAction> ruler_bbt_action;
 773         Glib::RefPtr<Gtk::ToggleAction> ruler_samples_action;
 774         Glib::RefPtr<Gtk::ToggleAction> ruler_minsec_action;
 775         Glib::RefPtr<Gtk::ToggleAction> ruler_tempo_action;
 776         Glib::RefPtr<Gtk::ToggleAction> ruler_meter_action;
 777         Glib::RefPtr<Gtk::ToggleAction> ruler_marker_action;
 778         Glib::RefPtr<Gtk::ToggleAction> ruler_range_action;
 779         Glib::RefPtr<Gtk::ToggleAction> ruler_loop_punch_action;
 780         Glib::RefPtr<Gtk::ToggleAction> ruler_cd_marker_action;
 781         bool                            no_ruler_shown_update;
 782
 783         bool ruler_button_press (GdkEventButton*);
 784         bool ruler_button_release (GdkEventButton*);
 785         bool ruler_mouse_motion (GdkEventMotion*);
 786         bool ruler_scroll (GdkEventScroll* event);
 787
 788         Gtk::Widget * ruler_grabbed_widget;
 789
 790         void initialize_rulers ();
 791         void update_just_timecode ();
 792         void compute_fixed_ruler_scale (); //calculates the RulerScale of the fixed rulers
 793         void update_fixed_rulers ();
 794         void update_tempo_based_rulers ();
 795         void popup_ruler_menu (framepos_t where = 0, ItemType type = RegionItem);
 796         void update_ruler_visibility ();
 797         void set_ruler_visible (RulerType, bool);
 798         void toggle_ruler_visibility (RulerType rt);
 799         void ruler_toggled (int);
 800         bool ruler_label_button_release (GdkEventButton*);
 801         void store_ruler_visibility ();
 802         void restore_ruler_visibility ();
 803
 804         static gint _metric_get_timecode (GtkCustomRulerMark **, gdouble, gdouble, gint);
 805         static gint _metric_get_bbt (GtkCustomRulerMark **, gdouble, gdouble, gint);
 806         static gint _metric_get_samples (GtkCustomRulerMark **, gdouble, gdouble, gint);
 807         static gint _metric_get_minsec (GtkCustomRulerMark **, gdouble, gdouble, gint);
 808
 809         enum MinsecRulerScale {
 810                 minsec_show_seconds,
 811                 minsec_show_minutes,
 812                 minsec_show_hours,
 813                 minsec_show_frames
 814         };
 815
 816         MinsecRulerScale minsec_ruler_scale;
 817
 818         framecnt_t minsec_mark_interval;
 819         gint minsec_mark_modulo;
 820         gint minsec_nmarks;
 821         void set_minsec_ruler_scale (framepos_t, framepos_t);
 822
 823         enum TimecodeRulerScale {
 824                 timecode_show_bits,
 825                 timecode_show_frames,
 826                 timecode_show_seconds,
 827                 timecode_show_minutes,
 828                 timecode_show_hours
 829         };
 830
 831         TimecodeRulerScale timecode_ruler_scale;
 832
 833         gint timecode_mark_modulo;
 834         gint timecode_nmarks;
 835         void set_timecode_ruler_scale (framepos_t, framepos_t);
 836
 837         framecnt_t _samples_ruler_interval;
 838         void set_samples_ruler_scale (framepos_t, framepos_t);
 839
 840         enum BBTRulerScale {
 841                 bbt_over,
 842                 bbt_show_64,
 843                 bbt_show_16,
 844                 bbt_show_4,
 845                 bbt_show_1,
 846                 bbt_show_beats,
 847                 bbt_show_ticks,
 848                 bbt_show_ticks_detail,
 849                 bbt_show_ticks_super_detail
 850         };
 851
 852         BBTRulerScale bbt_ruler_scale;
 853
 854         uint32_t bbt_bars;
 855         gint bbt_nmarks;
 856         uint32_t bbt_bar_helper_on;
 857         uint32_t bbt_accent_modulo;
 858         void compute_bbt_ruler_scale (framepos_t lower, framepos_t upper);
 859
 860         gint metric_get_timecode (GtkCustomRulerMark **, gdouble, gdouble, gint);
 861         gint metric_get_bbt (GtkCustomRulerMark **, gdouble, gdouble, gint);
 862         gint metric_get_samples (GtkCustomRulerMark **, gdouble, gdouble, gint);
 863         gint metric_get_minsec (GtkCustomRulerMark **, gdouble, gdouble, gint);
 864
 865         Gtk::Widget        *_ruler_separator;
 866         GtkWidget          *_timecode_ruler;
 867         GtkWidget          *_bbt_ruler;
 868         GtkWidget          *_samples_ruler;
 869         GtkWidget          *_minsec_ruler;
 870         Gtk::Widget        *timecode_ruler;
 871         Gtk::Widget        *bbt_ruler;
 872         Gtk::Widget        *samples_ruler;
 873         Gtk::Widget        *minsec_ruler;
 874         static Editor      *ruler_editor;
 875
 876         static const double timebar_height;
 877         guint32 visible_timebars;
 878         gdouble canvas_timebars_vsize;
 879         gdouble get_canvas_timebars_vsize () const { return canvas_timebars_vsize; }
 880         Gtk::Menu          *editor_ruler_menu;
 881
 882         ArdourCanvas::SimpleRect* tempo_bar;
 883         ArdourCanvas::SimpleRect* meter_bar;
 884         ArdourCanvas::SimpleRect* marker_bar;
 885         ArdourCanvas::SimpleRect* range_marker_bar;
 886         ArdourCanvas::SimpleRect* transport_marker_bar;
 887         ArdourCanvas::SimpleRect* cd_marker_bar;
 888
 889         Gtk::Label  minsec_label;
 890         Gtk::Label  bbt_label;
 891         Gtk::Label  timecode_label;
 892         Gtk::Label  samples_label;
 893         Gtk::Label  tempo_label;
 894         Gtk::Label  meter_label;
 895         Gtk::Label  mark_label;
 896         Gtk::Label  range_mark_label;
 897         Gtk::Label  transport_mark_label;
 898         Gtk::Label  cd_mark_label;
 899
 900         Gtk::VBox          time_button_vbox;
 901         Gtk::HBox          time_button_hbox;
 902
 903         friend class EditorCursor;
 904
 905         EditorCursor*        playhead_cursor;
 906         ArdourCanvas::Group* cursor_group;
 907
 908         framepos_t get_region_boundary (framepos_t pos, int32_t dir, bool with_selection, bool only_onscreen);
 909
 910         void    cursor_to_region_boundary (bool with_selection, int32_t dir);
 911         void    cursor_to_next_region_boundary (bool with_selection);
 912         void    cursor_to_previous_region_boundary (bool with_selection);
 913         void    cursor_to_next_region_point (EditorCursor*, ARDOUR::RegionPoint);
 914         void    cursor_to_previous_region_point (EditorCursor*, ARDOUR::RegionPoint);
 915         void    cursor_to_region_point (EditorCursor*, ARDOUR::RegionPoint, int32_t dir);
 916         void    cursor_to_selection_start (EditorCursor *);
 917         void    cursor_to_selection_end   (EditorCursor *);
 918
 919         void    selected_marker_to_region_boundary (bool with_selection, int32_t dir);
 920         void    selected_marker_to_next_region_boundary (bool with_selection);
 921         void    selected_marker_to_previous_region_boundary (bool with_selection);
 922         void    selected_marker_to_next_region_point (ARDOUR::RegionPoint);
 923         void    selected_marker_to_previous_region_point (ARDOUR::RegionPoint);
 924         void    selected_marker_to_region_point (ARDOUR::RegionPoint, int32_t dir);
 925         void    selected_marker_to_selection_start ();
 926         void    selected_marker_to_selection_end   ();
 927
 928         void    select_all_selectables_using_cursor (EditorCursor *, bool);
 929         void    select_all_selectables_using_edit (bool);
 930         void    select_all_selectables_between (bool within);
 931         void    select_range_between ();
 932
 933         boost::shared_ptr<ARDOUR::Region> find_next_region (ARDOUR::framepos_t, ARDOUR::RegionPoint, int32_t dir, TrackViewList&, TimeAxisView ** = 0);
 934         ARDOUR::framepos_t find_next_region_boundary (ARDOUR::framepos_t, int32_t dir, const TrackViewList&);
 935
 936         std::vector<ARDOUR::framepos_t> region_boundary_cache;
 937         void build_region_boundary_cache ();
 938
 939         Gtk::HBox           top_hbox;
 940         Gtk::HBox           bottom_hbox;
 941
 942         Gtk::Table          edit_packer;
 943
 944         Gtk::Adjustment     vertical_adjustment;
 945
 946         Gtk::Layout         controls_layout;
 947         bool control_layout_scroll (GdkEventScroll* ev);
 948         void reset_controls_layout_width ();
 949         void reset_controls_layout_height (int32_t height);
 950
 951         enum Direction {
 952                 LEFT,
 953                 RIGHT,
 954                 UP,
 955                 DOWN
 956         };
 957
 958         bool scroll_press (Direction);
 959         void scroll_release ();
 960         sigc::connection _scroll_connection;
 961         int _scroll_callbacks;
 962
 963         double _canvas_width;
 964         double _canvas_height; ///< height of the visible area of the track canvas
 965         double full_canvas_height; ///< full height of the canvas
 966
 967         bool track_canvas_map_handler (GdkEventAny*);
 968
 969         bool edit_controls_button_release (GdkEventButton*);
 970         Gtk::Menu *edit_controls_left_menu;
 971         Gtk::Menu *edit_controls_right_menu;
 972
 973         Gtk::VBox           ruler_label_vbox;
 974         Gtk::VBox           track_canvas_vbox;
 975         Gtk::VBox           time_canvas_vbox;
 976         Gtk::VBox           edit_controls_vbox;
 977         Gtk::HBox           edit_controls_hbox;
 978
 979         void control_scroll (float);
 980         void access_action (std::string,std::string);
 981         bool deferred_control_scroll (framepos_t);
 982         sigc::connection control_scroll_connection;
 983
 984         gdouble get_trackview_group_vertical_offset () const { return vertical_adjustment.get_value () - canvas_timebars_vsize;}
 985
 986         ArdourCanvas::Group* get_background_group () const { return _background_group; }
 987         ArdourCanvas::Group* get_trackview_group () const { return _trackview_group; }
 988         double last_trackview_group_vertical_offset;
 989         void tie_vertical_scrolling ();
 990         void set_horizontal_position (double);
 991         double horizontal_position () const;
 992         void scroll_canvas_vertically ();
 993
 994         struct VisualChange {
 995                 enum Type {
 996                         TimeOrigin = 0x1,
 997                         ZoomLevel = 0x2,
 998                         YOrigin = 0x4
 999                 };
1000
1001                 Type pending;
1002                 framepos_t time_origin;
1003                 double frames_per_unit;
1004                 double y_origin;
1005
1006                 int idle_handler_id;
1007
1008                 VisualChange() : pending ((VisualChange::Type) 0), time_origin (0), frames_per_unit (0), idle_handler_id (-1) {}
1009                 void add (Type t) {
1010                         pending = Type (pending | t);
1011                 }
1012         };
1013
1014
1015         VisualChange pending_visual_change;
1016
1017         static int _idle_visual_changer (void *arg);
1018         int idle_visual_changer ();
1019
1020         void queue_visual_change (framepos_t);
1021         void queue_visual_change (double);
1022         void queue_visual_change_y (double);
1023         void ensure_visual_change_idle_handler ();
1024
1025         /* track views */
1026         TrackViewList track_views;
1027         std::pair<TimeAxisView*, ARDOUR::layer_t> trackview_by_y_position (double);
1028         TimeAxisView* axis_view_from_route (boost::shared_ptr<ARDOUR::Route>) const;
1029
1030         TrackViewList get_tracks_for_range_action () const;
1031
1032         sigc::connection super_rapid_screen_update_connection;
1033         framepos_t last_update_frame;
1034         void center_screen_internal (framepos_t, float);
1035
1036         void super_rapid_screen_update ();
1037
1038         void session_going_away ();
1039
1040         framepos_t cut_buffer_start;
1041         framecnt_t cut_buffer_length;
1042
1043         Gdk::Cursor* pre_press_cursor;
1044         boost::weak_ptr<ARDOUR::Trimmable> _trimmable;
1045         boost::weak_ptr<ARDOUR::Movable> _movable;
1046
1047         bool typed_event (ArdourCanvas::Item*, GdkEvent*, ItemType);
1048         bool button_press_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1049         bool button_press_handler_1 (ArdourCanvas::Item *, GdkEvent *, ItemType);
1050         bool button_press_handler_2 (ArdourCanvas::Item *, GdkEvent *, ItemType);
1051         bool button_release_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1052         bool button_press_dispatch (GdkEventButton*);
1053         bool button_release_dispatch (GdkEventButton*);
1054         bool motion_handler (ArdourCanvas::Item*, GdkEvent*, bool from_autoscroll = false);
1055         bool enter_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1056         bool leave_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1057
1058         Gtkmm2ext::Bindings* button_bindings;
1059         XMLNode* button_settings () const;
1060
1061         /* KEYMAP HANDLING */
1062
1063         void register_actions ();
1064         void register_region_actions ();
1065
1066         int ensure_cursor (framepos_t* pos);
1067
1068         void cut_copy (Editing::CutCopyOp);
1069         bool can_cut_copy () const;
1070         void cut_copy_points (Editing::CutCopyOp);
1071         void cut_copy_regions (Editing::CutCopyOp, RegionSelection&);
1072         void cut_copy_ranges (Editing::CutCopyOp);
1073         void cut_copy_midi (Editing::CutCopyOp);
1074
1075         void mouse_paste ();
1076         void paste_internal (framepos_t position, float times);
1077
1078         /* EDITING OPERATIONS */
1079
1080         void reset_point_selection ();
1081         void toggle_region_lock ();
1082         void toggle_opaque_region ();
1083         void toggle_record_enable ();
1084         void toggle_region_lock_style ();
1085         void raise_region ();
1086         void raise_region_to_top ();
1087         void change_region_layering_order ();
1088         void lower_region ();
1089         void lower_region_to_bottom ();
1090         void split_regions_at (framepos_t, RegionSelection&);
1091         void split_region_at_transients ();
1092         void split_region_at_points (boost::shared_ptr<ARDOUR::Region>, ARDOUR::AnalysisFeatureList&, bool can_ferret, bool select_new = false);
1093         void crop_region_to_selection ();
1094         void crop_region_to (framepos_t start, framepos_t end);
1095         void set_sync_point (framepos_t, const RegionSelection&);
1096         void set_region_sync_position ();
1097         void remove_region_sync();
1098         void align_regions (ARDOUR::RegionPoint);
1099         void align_regions_relative (ARDOUR::RegionPoint point);
1100         void align_region (boost::shared_ptr<ARDOUR::Region>, ARDOUR::RegionPoint point, framepos_t position);
1101         void align_region_internal (boost::shared_ptr<ARDOUR::Region>, ARDOUR::RegionPoint point, framepos_t position);
1102         void remove_selected_regions ();
1103         void remove_clicked_region ();
1104         void show_region_properties ();
1105         void show_midi_list_editor ();
1106         void rename_region ();
1107         void duplicate_some_regions (RegionSelection&, float times);
1108         void duplicate_selection (float times);
1109         void region_fill_selection ();
1110         void combine_regions ();
1111         void uncombine_regions ();
1112
1113         void region_fill_track ();
1114         void audition_playlist_region_standalone (boost::shared_ptr<ARDOUR::Region>);
1115         void audition_playlist_region_via_route (boost::shared_ptr<ARDOUR::Region>, ARDOUR::Route&);
1116         void split_multichannel_region();
1117         void reverse_region ();
1118         void strip_region_silence ();
1119         void normalize_region ();
1120         void reset_region_scale_amplitude ();
1121         void adjust_region_gain (bool up);
1122         void quantize_region ();
1123         void insert_patch_change ();
1124         void fork_region ();
1125
1126         void do_insert_time ();
1127         void insert_time (framepos_t, framecnt_t, Editing::InsertTimeOption, bool, bool, bool, bool, bool);
1128
1129         void tab_to_transient (bool forward);
1130
1131         void set_tempo_from_region ();
1132         void use_range_as_bar ();
1133
1134         void define_one_bar (framepos_t start, framepos_t end);
1135
1136         void audition_region_from_region_list ();
1137         void hide_region_from_region_list ();
1138         void show_region_in_region_list ();
1139
1140         void naturalize_region ();
1141
1142         void reset_focus ();
1143
1144         void split_region ();
1145
1146         void delete_ ();
1147         void cut ();
1148         void copy ();
1149         void paste (float times);
1150
1151         void place_transient ();
1152         void remove_transient (ArdourCanvas::Item* item);
1153         void snap_regions_to_grid ();
1154         void close_region_gaps ();
1155
1156         void keyboard_paste ();
1157
1158         void region_from_selection ();
1159         void create_region_from_selection (std::vector<boost::shared_ptr<ARDOUR::Region> >&);
1160
1161         void play_from_start ();
1162         void play_from_edit_point ();
1163         void play_from_edit_point_and_return ();
1164         void play_selected_region ();
1165         void play_edit_range ();
1166         void play_location (ARDOUR::Location&);
1167         void loop_location (ARDOUR::Location&);
1168
1169         void temporal_zoom_selection ();
1170         void temporal_zoom_region (bool both_axes);
1171         void zoom_to_region (bool both_axes);
1172         void temporal_zoom_session ();
1173         void temporal_zoom (gdouble scale);
1174         void temporal_zoom_by_frame (framepos_t start, framepos_t end, const std::string & op);
1175         void temporal_zoom_to_frame (bool coarser, framepos_t frame);
1176
1177         void insert_region_list_drag (boost::shared_ptr<ARDOUR::Region>, int x, int y);
1178         void insert_region_list_selection (float times);
1179
1180         void insert_route_list_drag (boost::shared_ptr<ARDOUR::Route>, int x, int y);
1181
1182         /* import & embed */
1183
1184         void add_external_audio_action (Editing::ImportMode);
1185         void external_audio_dialog ();
1186         void session_import_dialog ();
1187
1188         int  check_whether_and_how_to_import(std::string, bool all_or_nothing = true);
1189         bool check_multichannel_status (const std::vector<std::string>& paths);
1190
1191         SoundFileOmega* sfbrowser;
1192
1193         void bring_in_external_audio (Editing::ImportMode mode,  framepos_t& pos);
1194
1195         bool  idle_drop_paths  (std::vector<std::string> paths, framepos_t frame, double ypos);
1196         void  drop_paths_part_two  (const std::vector<std::string>& paths, framepos_t frame, double ypos);
1197
1198         int  import_sndfiles (std::vector<std::string> paths, Editing::ImportMode mode,  ARDOUR::SrcQuality, framepos_t& pos,
1199                               int target_regions, int target_tracks, boost::shared_ptr<ARDOUR::Track>&, bool);
1200         int  embed_sndfiles (std::vector<std::string> paths, bool multiple_files, bool& check_sample_rate, Editing::ImportMode mode,
1201                              framepos_t& pos, int target_regions, int target_tracks, boost::shared_ptr<ARDOUR::Track>&);
1202
1203         int add_sources (std::vector<std::string> paths, ARDOUR::SourceList& sources, framepos_t& pos, Editing::ImportMode,
1204                          int target_regions, int target_tracks, boost::shared_ptr<ARDOUR::Track>&, bool add_channel_suffix);
1205         int finish_bringing_in_material (boost::shared_ptr<ARDOUR::Region> region, uint32_t, uint32_t,  framepos_t& pos, Editing::ImportMode mode,
1206                                       boost::shared_ptr<ARDOUR::Track>& existing_track);
1207
1208         boost::shared_ptr<ARDOUR::AudioTrack> get_nth_selected_audio_track (int nth) const;
1209         boost::shared_ptr<ARDOUR::MidiTrack> get_nth_selected_midi_track (int nth) const;
1210
1211         ARDOUR::InterThreadInfo* current_interthread_info;
1212
1213         AnalysisWindow* analysis_window;
1214
1215         /* import specific info */
1216
1217         struct EditorImportStatus : public ARDOUR::ImportStatus {
1218             Editing::ImportMode mode;
1219             framepos_t pos;
1220             int target_tracks;
1221             int target_regions;
1222             boost::shared_ptr<ARDOUR::Track> track;
1223             bool replace;
1224         };
1225
1226         EditorImportStatus import_status;
1227         static void *_import_thread (void *);
1228         void* import_thread ();
1229         void finish_import ();
1230
1231         /* to support this ... */
1232
1233         void import_audio (bool as_tracks);
1234         void do_import (std::vector<std::string> paths, bool split, bool as_tracks);
1235
1236         void move_to_start ();
1237         void move_to_end ();
1238         void center_playhead ();
1239         void center_edit_point ();
1240         void playhead_forward_to_grid ();
1241         void playhead_backward_to_grid ();
1242         void scroll_playhead (bool forward);
1243         void scroll_backward (float pages=0.8f);
1244         void scroll_forward (float pages=0.8f);
1245         void scroll_tracks_down ();
1246         void scroll_tracks_up ();
1247         void set_mark ();
1248         void clear_markers ();
1249         void clear_ranges ();
1250         void clear_locations ();
1251         void unhide_markers ();
1252         void unhide_ranges ();
1253         void jump_forward_to_mark ();
1254         void jump_backward_to_mark ();
1255         void cursor_align (bool playhead_to_edit);
1256
1257         void remove_last_capture ();
1258         void select_all_selectables_using_time_selection ();
1259         void select_all_selectables_using_loop();
1260         void select_all_selectables_using_punch();
1261         void set_selection_from_range (ARDOUR::Location&);
1262         void set_selection_from_punch ();
1263         void set_selection_from_loop ();
1264         void set_selection_from_region ();
1265
1266         void add_location_mark (framepos_t where);
1267         void add_location_from_region ();
1268         void add_locations_from_region ();
1269         void add_location_from_selection ();
1270         void set_loop_from_selection (bool play);
1271         void set_punch_from_selection ();
1272         void set_punch_from_region ();
1273
1274         void set_loop_from_edit_range (bool play);
1275         void set_loop_from_region (bool play);
1276         void set_punch_from_edit_range ();
1277
1278         void set_loop_range (framepos_t start, framepos_t end, std::string cmd);
1279         void set_punch_range (framepos_t start, framepos_t end, std::string cmd);
1280
1281         void add_location_from_playhead_cursor ();
1282         bool select_new_marker;
1283
1284         void reverse_selection ();
1285         void edit_envelope ();
1286
1287         double last_scrub_x;
1288         int scrubbing_direction;
1289         int scrub_reversals;
1290         int scrub_reverse_distance;
1291         void scrub (framepos_t, double);
1292
1293         void keyboard_selection_begin ();
1294         void keyboard_selection_finish (bool add);
1295         bool have_pending_keyboard_selection;
1296         framepos_t pending_keyboard_selection_start;
1297
1298         void move_range_selection_start_or_end_to_region_boundary (bool, bool);
1299
1300         Editing::SnapType _snap_type;
1301         Editing::SnapMode _snap_mode;
1302
1303         /// Snap threshold in pixels
1304         double snap_threshold;
1305
1306         bool ignore_gui_changes;
1307
1308         DragManager* _drags;
1309
1310         void escape ();
1311
1312         Gtk::Menu fade_context_menu;
1313         void popup_fade_context_menu (int, int, ArdourCanvas::Item*, ItemType);
1314
1315         void set_fade_in_shape (ARDOUR::FadeShape);
1316         void set_fade_out_shape (ARDOUR::FadeShape);
1317
1318         void set_fade_length (bool in);
1319         void set_fade_in_active (bool);
1320         void set_fade_out_active (bool);
1321
1322         std::set<boost::shared_ptr<ARDOUR::Playlist> > motion_frozen_playlists;
1323
1324         bool _dragging_playhead;
1325         bool _dragging_edit_point;
1326
1327         void marker_drag_motion_callback (GdkEvent*);
1328         void marker_drag_finished_callback (GdkEvent*);
1329
1330         gint mouse_rename_region (ArdourCanvas::Item*, GdkEvent*);
1331
1332         void add_region_drag (ArdourCanvas::Item*, GdkEvent*, RegionView*);
1333         void start_create_region_grab (ArdourCanvas::Item*, GdkEvent*);
1334         void add_region_copy_drag (ArdourCanvas::Item*, GdkEvent*, RegionView*);
1335         void add_region_brush_drag (ArdourCanvas::Item*, GdkEvent*, RegionView*);
1336         void start_selection_grab (ArdourCanvas::Item*, GdkEvent*);
1337
1338         void region_view_item_click (AudioRegionView&, GdkEventButton*);
1339
1340         bool can_remove_control_point (ArdourCanvas::Item *);
1341         void remove_control_point (ArdourCanvas::Item *);
1342
1343         void mouse_brush_insert_region (RegionView*, framepos_t pos);
1344
1345         /* Canvas event handlers */
1346
1347         bool canvas_control_point_event (GdkEvent* event,ArdourCanvas::Item*, ControlPoint*);
1348         bool canvas_line_event (GdkEvent* event,ArdourCanvas::Item*, AutomationLine*);
1349         bool canvas_selection_rect_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1350         bool canvas_selection_start_trim_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1351         bool canvas_selection_end_trim_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1352         bool canvas_crossfade_view_event (GdkEvent* event,ArdourCanvas::Item*, CrossfadeView*);
1353         bool canvas_fade_in_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1354         bool canvas_fade_in_handle_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1355         bool canvas_fade_out_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1356         bool canvas_fade_out_handle_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1357         bool canvas_region_view_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1358         bool canvas_frame_handle_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1359         bool canvas_region_view_name_highlight_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1360         bool canvas_region_view_name_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1361         bool canvas_feature_line_event (GdkEvent* event, ArdourCanvas::Item*, RegionView*);
1362         bool canvas_stream_view_event (GdkEvent* event,ArdourCanvas::Item*, RouteTimeAxisView*);
1363         bool canvas_marker_event (GdkEvent* event,ArdourCanvas::Item*, Marker*);
1364         bool canvas_zoom_rect_event (GdkEvent* event,ArdourCanvas::Item*);
1365         bool canvas_tempo_marker_event (GdkEvent* event,ArdourCanvas::Item*, TempoMarker*);
1366         bool canvas_meter_marker_event (GdkEvent* event,ArdourCanvas::Item*, MeterMarker*);
1367         bool canvas_automation_track_event(GdkEvent* event, ArdourCanvas::Item*, AutomationTimeAxisView*) ;
1368         bool canvas_note_event (GdkEvent* event, ArdourCanvas::Item*);
1369
1370         bool canvas_tempo_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1371         bool canvas_meter_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1372         bool canvas_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1373         bool canvas_range_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1374         bool canvas_transport_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1375         bool canvas_cd_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1376
1377         bool canvas_imageframe_item_view_event(GdkEvent* event, ArdourCanvas::Item*,ImageFrameView*);
1378         bool canvas_imageframe_view_event(GdkEvent* event, ArdourCanvas::Item*,ImageFrameTimeAxis*);
1379         bool canvas_imageframe_start_handle_event(GdkEvent* event, ArdourCanvas::Item*,ImageFrameView*);
1380         bool canvas_imageframe_end_handle_event(GdkEvent* event, ArdourCanvas::Item*,ImageFrameView*);
1381         bool canvas_marker_time_axis_view_event(GdkEvent* event, ArdourCanvas::Item*,MarkerTimeAxis*);
1382         bool canvas_markerview_item_view_event(GdkEvent* event, ArdourCanvas::Item*,MarkerView*);
1383         bool canvas_markerview_start_handle_event(GdkEvent* event, ArdourCanvas::Item*,MarkerView*);
1384         bool canvas_markerview_end_handle_event(GdkEvent* event, ArdourCanvas::Item*,MarkerView*);
1385
1386         PBD::Signal0<void> EditorFreeze;
1387         PBD::Signal0<void> EditorThaw;
1388
1389   private:
1390         friend class DragManager;
1391         friend class EditorRouteGroups;
1392         friend class EditorRegions;
1393
1394         ArdourCanvas::Item *last_item_entered;
1395         /** true if the mouse is over a place where region trim can happen */
1396         bool _over_region_trim_target;
1397
1398         /* non-public event handlers */
1399
1400         bool canvas_playhead_cursor_event (GdkEvent* event, ArdourCanvas::Item*);
1401         bool track_canvas_scroll (GdkEventScroll* event);
1402
1403         bool track_canvas_scroll_event (GdkEventScroll* event);
1404         bool track_canvas_button_press_event (GdkEventButton* event);
1405         bool track_canvas_button_release_event (GdkEventButton* event);
1406         bool track_canvas_motion_notify_event (GdkEventMotion* event);
1407
1408         Gtk::Allocation canvas_allocation;
1409         void track_canvas_allocate (Gtk::Allocation alloc);
1410         bool track_canvas_size_allocated ();
1411         bool track_canvas_drag_motion (Glib::RefPtr<Gdk::DragContext> const &, int, int, guint);
1412         bool track_canvas_key_press (GdkEventKey *);
1413         bool track_canvas_key_release (GdkEventKey *);
1414
1415         void set_playhead_cursor ();
1416
1417         void toggle_region_mute ();
1418
1419         void initialize_canvas ();
1420
1421         /* display control */
1422
1423         bool _show_measures;
1424         /// true if the editor should follow the playhead, otherwise false
1425         bool _follow_playhead;
1426         /// true if we scroll the tracks rather than the playhead
1427         bool _stationary_playhead;
1428
1429         ARDOUR::TempoMap::BBTPointList *current_bbt_points;
1430
1431         TempoLines* tempo_lines;
1432
1433         ArdourCanvas::Group* time_line_group;
1434
1435         void hide_measures ();
1436         void draw_measures ();
1437         bool redraw_measures ();
1438
1439         void new_tempo_section ();
1440
1441         void mouse_add_new_tempo_event (framepos_t where);
1442         void mouse_add_new_meter_event (framepos_t where);
1443
1444         void remove_tempo_marker (ArdourCanvas::Item*);
1445         void remove_meter_marker (ArdourCanvas::Item*);
1446         gint real_remove_tempo_marker (ARDOUR::TempoSection*);
1447         gint real_remove_meter_marker (ARDOUR::MeterSection*);
1448
1449         void edit_tempo_section (ARDOUR::TempoSection*);
1450         void edit_meter_section (ARDOUR::MeterSection*);
1451         void edit_tempo_marker (ArdourCanvas::Item*);
1452         void edit_meter_marker (ArdourCanvas::Item*);
1453         void edit_control_point (ArdourCanvas::Item*);
1454         void edit_note (ArdourCanvas::Item *);
1455
1456         void marker_menu_edit ();
1457         void marker_menu_remove ();
1458         void marker_menu_rename ();
1459         void toggle_marker_menu_lock ();
1460         void toggle_marker_menu_glue ();
1461         void marker_menu_hide ();
1462         void marker_menu_loop_range ();
1463         void marker_menu_select_all_selectables_using_range ();
1464         void marker_menu_select_using_range ();
1465         void marker_menu_separate_regions_using_location ();
1466         void marker_menu_play_from ();
1467         void marker_menu_play_range ();
1468         void marker_menu_set_playhead ();
1469         void marker_menu_set_from_playhead ();
1470         void marker_menu_set_from_selection ();
1471         void marker_menu_range_to_next ();
1472         void new_transport_marker_menu_set_loop ();
1473         void new_transport_marker_menu_set_punch ();
1474         void update_loop_range_view (bool visibility=false);
1475         void update_punch_range_view (bool visibility=false);
1476         void new_transport_marker_menu_popdown ();
1477         void marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1478         void tempo_or_meter_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1479         void transport_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1480         void new_transport_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1481         void build_range_marker_menu (bool);
1482         void build_marker_menu (ARDOUR::Location *);
1483         void build_tempo_or_meter_marker_menu (bool);
1484         void build_new_transport_marker_menu ();
1485         void dynamic_cast_marker_object (void*, MeterMarker**, TempoMarker**) const;
1486
1487         Gtk::Menu* tempo_or_meter_marker_menu;
1488         Gtk::Menu* marker_menu;
1489         Gtk::Menu* range_marker_menu;
1490         Gtk::Menu* transport_marker_menu;
1491         Gtk::Menu* new_transport_marker_menu;
1492         Gtk::Menu* cd_marker_menu;
1493         ArdourCanvas::Item* marker_menu_item;
1494
1495         typedef std::list<Marker*> Marks;
1496         Marks metric_marks;
1497
1498         void remove_metric_marks ();
1499         void draw_metric_marks (const ARDOUR::Metrics& metrics);
1500
1501         void compute_current_bbt_points (framepos_t left, framepos_t right);
1502         void tempo_map_changed (const PBD::PropertyChange&);
1503         void redisplay_tempo (bool immediate_redraw);
1504
1505         uint32_t bbt_beat_subdivision;
1506
1507         /* toolbar */
1508
1509         Gtk::ToggleButton editor_mixer_button;
1510         Gtk::ToggleButton editor_list_button;
1511         void editor_mixer_button_toggled ();
1512         void editor_list_button_toggled ();
1513
1514         AudioClock*               zoom_range_clock;
1515         Gtk::Button              zoom_in_button;
1516         Gtk::Button              zoom_out_button;
1517         Gtk::Button              zoom_out_full_button;
1518         Gtk::Button              zoom_onetoone_button;
1519
1520         Gtk::Button              tav_expand_button;
1521         Gtk::Button              tav_shrink_button;
1522
1523         Gtk::VBox                toolbar_clock_vbox;
1524         Gtk::VBox                toolbar_selection_clock_vbox;
1525         Gtk::Table               toolbar_selection_clock_table;
1526         Gtk::Label               toolbar_selection_cursor_label;
1527
1528         Gtkmm2ext::TearOff*      _mouse_mode_tearoff;
1529         Gtkmm2ext::StatefulToggleButton mouse_select_button;
1530         Gtkmm2ext::StatefulToggleButton mouse_move_button;
1531         Gtkmm2ext::StatefulToggleButton mouse_gain_button;
1532         Gtkmm2ext::StatefulToggleButton mouse_zoom_button;
1533         Gtkmm2ext::StatefulToggleButton mouse_timefx_button;
1534         Gtkmm2ext::StatefulToggleButton mouse_audition_button;
1535         Gtkmm2ext::StatefulToggleButton join_object_range_button;
1536
1537         void                     mouse_mode_toggled (Editing::MouseMode m);
1538         void                     mouse_mode_object_range_toggled () {}
1539         bool                     ignore_mouse_mode_toggle;
1540
1541         Gtkmm2ext::StatefulToggleButton internal_edit_button;
1542         void                     toggle_internal_editing ();
1543
1544         bool                     mouse_select_button_release (GdkEventButton*);
1545
1546         Gtk::VBox                automation_box;
1547         Gtk::Button              automation_mode_button;
1548         Gtk::ToggleButton        global_automation_button;
1549
1550         Gtk::ComboBoxText edit_mode_selector;
1551         Gtk::VBox         edit_mode_box;
1552         std::vector<std::string> edit_mode_strings;
1553
1554         void set_edit_mode (ARDOUR::EditMode);
1555         void cycle_edit_mode ();
1556         void edit_mode_selection_done ();
1557
1558         Gtk::ComboBoxText snap_type_selector;
1559         Gtk::ComboBoxText snap_mode_selector;
1560         Gtk::HBox         snap_box;
1561
1562         std::vector<std::string> snap_type_strings;
1563         std::vector<std::string> snap_mode_strings;
1564
1565         void snap_type_selection_done ();
1566         void snap_mode_selection_done ();
1567         void snap_mode_chosen (Editing::SnapMode);
1568         void snap_type_chosen (Editing::SnapType);
1569
1570         Glib::RefPtr<Gtk::RadioAction> snap_type_action (Editing::SnapType);
1571         Glib::RefPtr<Gtk::RadioAction> snap_mode_action (Editing::SnapMode);
1572
1573         Gtk::ComboBoxText zoom_focus_selector;
1574         Gtk::VBox         zoom_focus_box;
1575
1576         std::vector<std::string> zoom_focus_strings;
1577
1578         void zoom_focus_selection_done ();
1579         void zoom_focus_chosen (Editing::ZoomFocus);
1580
1581         Glib::RefPtr<Gtk::RadioAction> zoom_focus_action (Editing::ZoomFocus);
1582
1583         Gtk::HBox           _zoom_box;
1584         Gtkmm2ext::TearOff* _zoom_tearoff;
1585         void                zoom_adjustment_changed();
1586
1587         void setup_toolbar ();
1588
1589         void setup_tooltips ();
1590
1591         Gtkmm2ext::TearOff*     _tools_tearoff;
1592         Gtk::HBox                toolbar_hbox;
1593         Gtk::EventBox            toolbar_base;
1594         Gtk::Frame               toolbar_frame;
1595         Gtk::Viewport           _toolbar_viewport;
1596
1597         /* midi toolbar */
1598
1599         Gtk::HBox                panic_box;
1600         Gtk::Button              midi_panic_button;
1601         Gtk::ToggleButton        midi_sound_notes;
1602         void                     midi_panic ();
1603         bool                     sound_notes () const { return midi_sound_notes.get_active(); }
1604
1605         void setup_midi_toolbar ();
1606
1607         /* selection process */
1608
1609         Selection* selection;
1610         Selection* cut_buffer;
1611
1612         void time_selection_changed ();
1613         void track_selection_changed ();
1614         void region_selection_changed ();
1615         sigc::connection editor_regions_selection_changed_connection;
1616         void sensitize_all_region_actions (bool);
1617         void sensitize_the_right_region_actions ();
1618         bool _all_region_actions_sensitized;
1619         /** Flag to block region action handlers from doing what they normally do;
1620          *  I tried Gtk::Action::block_activate() but this doesn't work (ie it doesn't
1621          *  block) when setting a ToggleAction's active state.
1622          */
1623         bool _ignore_region_action;
1624         bool _last_region_menu_was_main;
1625         void point_selection_changed ();
1626         void marker_selection_changed ();
1627
1628         void cancel_selection ();
1629
1630         bool audio_region_selection_covers (framepos_t where);
1631
1632         /* transport range select process */
1633
1634         ArdourCanvas::SimpleRect*  cd_marker_bar_drag_rect;
1635         ArdourCanvas::SimpleRect*  range_bar_drag_rect;
1636         ArdourCanvas::SimpleRect*  transport_bar_drag_rect;
1637
1638 #ifdef GTKOSX
1639         ArdourCanvas::SimpleRect     *bogus_background_rect;
1640 #endif
1641         ArdourCanvas::SimpleRect     *transport_bar_range_rect;
1642         ArdourCanvas::SimpleRect     *transport_bar_preroll_rect;
1643         ArdourCanvas::SimpleRect     *transport_bar_postroll_rect;
1644         ArdourCanvas::SimpleRect     *transport_loop_range_rect;
1645         ArdourCanvas::SimpleRect     *transport_punch_range_rect;
1646         ArdourCanvas::SimpleLine     *transport_punchin_line;
1647         ArdourCanvas::SimpleLine     *transport_punchout_line;
1648         ArdourCanvas::SimpleRect     *transport_preroll_rect;
1649         ArdourCanvas::SimpleRect     *transport_postroll_rect;
1650
1651         ARDOUR::Location*  transport_loop_location();
1652         ARDOUR::Location*  transport_punch_location();
1653
1654         ARDOUR::Location   *temp_location;
1655
1656         /* object rubberband select process */
1657
1658         void select_all_within (framepos_t, framepos_t, double, double, TrackViewList const &, Selection::Operation, bool);
1659
1660         ArdourCanvas::SimpleRect   *rubberband_rect;
1661
1662         /* mouse zoom process */
1663
1664         ArdourCanvas::SimpleRect   *zoom_rect;
1665         void reposition_zoom_rect (framepos_t start, framepos_t end);
1666
1667         EditorRouteGroups* _route_groups;
1668         EditorRoutes* _routes;
1669         EditorRegions* _regions;
1670         EditorSnapshots* _snapshots;
1671         EditorLocations* _locations;
1672
1673         /* diskstream/route display management */
1674         Glib::RefPtr<Gdk::Pixbuf> rec_enabled_icon;
1675         Glib::RefPtr<Gdk::Pixbuf> rec_disabled_icon;
1676
1677         Glib::RefPtr<Gtk::TreeSelection> route_display_selection;
1678
1679         bool sync_track_view_list_and_routes ();
1680
1681         Gtk::VBox           list_vpacker;
1682
1683         /* autoscrolling */
1684
1685         bool autoscroll_active;
1686         int autoscroll_timeout_tag;
1687         int autoscroll_x;
1688         int autoscroll_y;
1689         int last_autoscroll_x;
1690         int last_autoscroll_y;
1691         uint32_t autoscroll_cnt;
1692         framecnt_t autoscroll_x_distance;
1693         double autoscroll_y_distance;
1694
1695         static gint _autoscroll_canvas (void *);
1696         bool autoscroll_canvas ();
1697         void start_canvas_autoscroll (int x, int y);
1698         void stop_canvas_autoscroll ();
1699
1700         /* trimming */
1701         void point_trim (GdkEvent *, framepos_t);
1702
1703         void trim_region_front();
1704         void trim_region_back();
1705         void trim_region (bool front);
1706
1707         void trim_region_to_loop ();
1708         void trim_region_to_punch ();
1709         void trim_region_to_location (const ARDOUR::Location&, const char* cmd);
1710
1711         void trim_to_region(bool forward);
1712         void trim_region_to_previous_region_end();
1713         void trim_region_to_next_region_start();
1714
1715         bool show_gain_after_trim;
1716
1717         /* Drag-n-Drop */
1718
1719         int convert_drop_to_paths (
1720                 std::vector<std::string>&           paths,
1721                 const Glib::RefPtr<Gdk::DragContext>& context,
1722                 gint                                  x,
1723                 gint                                  y,
1724                 const Gtk::SelectionData&             data,
1725                 guint                                 info,
1726                 guint                                 time);
1727
1728         void track_canvas_drag_data_received (
1729                 const Glib::RefPtr<Gdk::DragContext>& context,
1730                 gint                                  x,
1731                 gint                                  y,
1732                 const Gtk::SelectionData&             data,
1733                 guint                                 info,
1734                 guint                                 time);
1735
1736         void drop_paths (
1737                 const Glib::RefPtr<Gdk::DragContext>& context,
1738                 gint                                  x,
1739                 gint                                  y,
1740                 const Gtk::SelectionData&             data,
1741                 guint                                 info,
1742                 guint                                 time);
1743
1744         void drop_regions (
1745                 const Glib::RefPtr<Gdk::DragContext>& context,
1746                 gint                                  x,
1747                 gint                                  y,
1748                 const Gtk::SelectionData&             data,
1749                 guint                                 info,
1750                 guint                                 time);
1751
1752         void drop_routes (
1753                 const Glib::RefPtr<Gdk::DragContext>& context,
1754                 gint                x,
1755                 gint                y,
1756                 const Gtk::SelectionData& data,
1757                 guint               info,
1758                 guint               time);
1759
1760         /* audio export */
1761
1762         int  write_region_selection(RegionSelection&);
1763         bool write_region (std::string path, boost::shared_ptr<ARDOUR::AudioRegion>);
1764         void bounce_region_selection (bool with_processing);
1765         void bounce_range_selection (bool replace, bool enable_processing);
1766         void external_edit_region ();
1767
1768         int write_audio_selection (TimeSelection&);
1769         bool write_audio_range (ARDOUR::AudioPlaylist&, const ARDOUR::ChanCount& channels, std::list<ARDOUR::AudioRange>&);
1770
1771         void write_selection ();
1772
1773         XMLNode *before; /* used in *_reversible_command */
1774
1775         void update_title ();
1776         void update_title_s (const std::string & snapshot_name);
1777
1778         struct State {
1779             Selection* selection;
1780             double frames_per_unit;
1781
1782             State (PublicEditor const * e);
1783             ~State ();
1784         };
1785
1786         void instant_save ();
1787
1788         boost::shared_ptr<ARDOUR::AudioRegion> last_audition_region;
1789
1790         /* freeze operations */
1791
1792         ARDOUR::InterThreadInfo freeze_status;
1793         static void* _freeze_thread (void*);
1794         void* freeze_thread ();
1795
1796         void freeze_route ();
1797         void unfreeze_route ();
1798
1799         /* duplication */
1800
1801         void duplicate_dialog (bool with_dialog);
1802
1803         framepos_t event_frame (GdkEvent const *, double* px = 0, double* py = 0) const;
1804
1805         /* returns false if mouse pointer is not in track or marker canvas
1806          */
1807         bool mouse_frame (framepos_t&, bool& in_track_canvas) const;
1808
1809         /* "whats mine is yours" */
1810
1811         TimeFXDialog* current_timefx;
1812
1813         static void* timefx_thread (void *arg);
1814         void do_timefx (TimeFXDialog&);
1815
1816         int time_stretch (RegionSelection&, float fraction);
1817         int pitch_shift (RegionSelection&, float cents);
1818         void pitch_shift_region ();
1819         int time_fx (RegionSelection&, float val, bool pitching);
1820
1821         void transpose_region ();
1822
1823         /* editor-mixer strip */
1824
1825         MixerStrip *current_mixer_strip;
1826         bool show_editor_mixer_when_tracks_arrive;
1827         Gtk::VBox current_mixer_strip_vbox;
1828         void cms_new (boost::shared_ptr<ARDOUR::Route>);
1829         void current_mixer_strip_hidden ();
1830
1831         void detach_tearoff (Gtk::Box* b, Gtk::Window* w);
1832         void reattach_tearoff (Gtk::Box* b, Gtk::Window* w, int32_t n);
1833 #ifdef GTKOSX
1834         void ensure_all_elements_drawn ();
1835 #endif
1836         /* nudging tracks */
1837
1838         void nudge_track (bool use_edit_point, bool forwards);
1839
1840         /* xfades */
1841
1842         bool _xfade_visibility;
1843
1844 #ifdef WITH_CMT
1845         void handle_new_imageframe_time_axis_view(const std::string & track_name, void* src) ;
1846         void handle_new_imageframe_marker_time_axis_view(const std::string & track_name, TimeAxisView* marked_track) ;
1847
1848         void start_imageframe_grab(ArdourCanvas::Item*, GdkEvent*) ;
1849         void start_markerview_grab(ArdourCanvas::Item*, GdkEvent*) ;
1850
1851         void imageframe_drag_motion_callback(ArdourCanvas::Item*, GdkEvent*) ;
1852         void markerview_drag_motion_callback(ArdourCanvas::Item*, GdkEvent*) ;
1853         void timeaxis_item_drag_finished_callback(ArdourCanvas::Item*, GdkEvent*) ;
1854
1855         gint canvas_imageframe_item_view_event(ArdourCanvas::Item* item, GdkEvent* event, ImageFrameView* ifv);
1856         gint canvas_imageframe_view_event(ArdourCanvas::Item* item, GdkEvent* event, ImageFrameTimeAxis* ifta);
1857         gint canvas_imageframe_start_handle_event(ArdourCanvas::Item* item, GdkEvent* event, ImageFrameView* ifv);
1858         gint canvas_imageframe_end_handle_event(ArdourCanvas::Item* item, GdkEvent* event, ImageFrameView* ifv);
1859
1860         gint canvas_marker_time_axis_view_event(ArdourCanvas::Item* item, GdkEvent* event, MarkerTimeAxis* mta);
1861         gint canvas_markerview_item_view_event(ArdourCanvas::Item* item, GdkEvent* event, MarkerView* mv);
1862         gint canvas_markerview_start_handle_event(ArdourCanvas::Item* item, GdkEvent* event, MarkerView* mv);
1863         gint canvas_markerview_end_handle_event(ArdourCanvas::Item* item, GdkEvent* event, MarkerView* mv);
1864
1865         void imageframe_start_handle_op(ArdourCanvas::Item* item, GdkEvent* event) ;
1866         void imageframe_end_handle_op(ArdourCanvas::Item* item, GdkEvent* event) ;
1867         void imageframe_start_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event) ;
1868         void imageframe_start_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event) ;
1869         void imageframe_end_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event) ;
1870         void imageframe_end_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event) ;
1871
1872         void markerview_item_start_handle_op(ArdourCanvas::Item* item, GdkEvent* event) ;
1873         void markerview_item_end_handle_op(ArdourCanvas::Item* item, GdkEvent* event) ;
1874         void markerview_start_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event) ;
1875         void markerview_start_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event) ;
1876         void markerview_end_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event) ;
1877         void markerview_end_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event) ;
1878
1879         void popup_imageframe_edit_menu(int button, int32_t time, ArdourCanvas::Item* ifv, bool with_frame) ;
1880         void popup_marker_time_axis_edit_menu(int button, int32_t time, ArdourCanvas::Item* ifv, bool with_frame) ;
1881
1882         ImageFrameSocketHandler* image_socket_listener ;
1883 #endif
1884
1885         void toggle_xfade_active (boost::weak_ptr<ARDOUR::Crossfade>);
1886         void toggle_xfade_length (boost::weak_ptr<ARDOUR::Crossfade>);
1887         void edit_xfade (boost::weak_ptr<ARDOUR::Crossfade>);
1888         void xfade_edit_left_region ();
1889         void xfade_edit_right_region ();
1890
1891         static const int32_t default_width = 995;
1892         static const int32_t default_height = 765;
1893
1894         /* nudge */
1895
1896         Gtk::Button      nudge_forward_button;
1897         Gtk::Button      nudge_backward_button;
1898         Gtk::HBox        nudge_hbox;
1899         Gtk::VBox        nudge_vbox;
1900         AudioClock*       nudge_clock;
1901
1902         bool nudge_forward_release (GdkEventButton*);
1903         bool nudge_backward_release (GdkEventButton*);
1904
1905         /* audio filters */
1906
1907         void apply_filter (ARDOUR::Filter&, std::string cmd, ProgressReporter* progress = 0);
1908
1909         Command* apply_midi_note_edit_op_to_region (ARDOUR::MidiOperator& op, MidiRegionView& mrv);
1910         void apply_midi_note_edit_op (ARDOUR::MidiOperator& op);
1911
1912         /* handling cleanup */
1913
1914         int playlist_deletion_dialog (boost::shared_ptr<ARDOUR::Playlist>);
1915
1916         PBD::ScopedConnectionList session_connections;
1917
1918         /* tracking step changes of track height */
1919
1920         TimeAxisView* current_stepping_trackview;
1921         ARDOUR::microseconds_t last_track_height_step_timestamp;
1922         gint track_height_step_timeout();
1923         sigc::connection step_timeout;
1924
1925         TimeAxisView* entered_track;
1926         /** If the mouse is over a RegionView or one of its child canvas items, this is set up
1927             to point to the RegionView.  Otherwise it is 0.
1928         */
1929         RegionView*   entered_regionview;
1930
1931
1932         void ensure_entered_track_selected (bool op_acts_on_objects = false);
1933         bool clear_entered_track;
1934         bool left_track_canvas (GdkEventCrossing*);
1935         bool entered_track_canvas (GdkEventCrossing*);
1936         void set_entered_track (TimeAxisView*);
1937         void set_entered_regionview (RegionView*);
1938         void ensure_track_visible (TimeAxisView*);
1939         gint left_automation_track ();
1940
1941         void reset_canvas_action_sensitivity (bool);
1942         void toggle_gain_envelope_visibility ();
1943         void toggle_gain_envelope_active ();
1944         void reset_region_gain_envelopes ();
1945
1946         bool on_key_press_event (GdkEventKey*);
1947         bool on_key_release_event (GdkEventKey*);
1948
1949         void session_state_saved (std::string);
1950
1951         Glib::RefPtr<Gtk::Action>              undo_action;
1952         Glib::RefPtr<Gtk::Action>              redo_action;
1953
1954         void history_changed ();
1955
1956         Gtk::HBox      status_bar_hpacker;
1957
1958         Editing::EditPoint _edit_point;
1959
1960         Gtk::ComboBoxText edit_point_selector;
1961
1962         void set_edit_point_preference (Editing::EditPoint ep, bool force = false);
1963         void cycle_edit_point (bool with_marker);
1964         void set_edit_point ();
1965         void edit_point_selection_done ();
1966         void edit_point_chosen (Editing::EditPoint);
1967         Glib::RefPtr<Gtk::RadioAction> edit_point_action (Editing::EditPoint);
1968         std::vector<std::string> edit_point_strings;
1969
1970         void selected_marker_moved (ARDOUR::Location*);
1971
1972         bool get_edit_op_range (framepos_t& start, framepos_t& end) const;
1973
1974         void get_regions_at (RegionSelection&, framepos_t where, const TrackViewList& ts) const;
1975         void get_regions_after (RegionSelection&, framepos_t where, const TrackViewList& ts) const;
1976
1977         RegionSelection get_regions_from_selection ();
1978         RegionSelection get_regions_from_selection_and_edit_point ();
1979         RegionSelection get_regions_from_selection_and_entered ();
1980
1981         void start_updating_meters ();
1982         void stop_updating_meters ();
1983         bool meters_running;
1984
1985         void select_next_route ();
1986         void select_prev_route ();
1987
1988         void snap_to_internal (framepos_t& first, int32_t direction = 0, bool for_mark = false);
1989         void timecode_snap_to_internal (framepos_t& first, int32_t direction = 0, bool for_mark = false);
1990
1991         RhythmFerret* rhythm_ferret;
1992
1993         void fit_tracks (TrackViewList &);
1994         void fit_selected_tracks ();
1995         void set_track_height (Height);
1996
1997         void remove_tracks ();
1998         void toggle_tracks_active ();
1999
2000         bool _have_idled;
2001         int resize_idle_id;
2002         static gboolean _idle_resize (gpointer);
2003         bool idle_resize();
2004         int32_t _pending_resize_amount;
2005         TimeAxisView* _pending_resize_view;
2006
2007         void visible_order_range (int*, int*) const;
2008
2009         void located ();
2010
2011         /** true if we've made a locate request that hasn't yet been processed */
2012         bool _pending_locate_request;
2013
2014         /** if true, there is a pending Session locate which is the initial one when loading a session;
2015             we need to know this so that we don't (necessarily) set the viewport to show the playhead
2016             initially.
2017         */
2018         bool _pending_initial_locate;
2019
2020         Gtk::HBox _summary_hbox;
2021         EditorSummary* _summary;
2022
2023         void region_view_added (RegionView *);
2024         void region_view_removed ();
2025
2026         void update_canvas_now ();
2027
2028         EditorGroupTabs* _group_tabs;
2029         void fit_route_group (ARDOUR::RouteGroup *);
2030
2031         void step_edit_status_change (bool);
2032         void start_step_editing ();
2033         void stop_step_editing ();
2034         bool check_step_edit ();
2035         sigc::connection step_edit_connection;
2036
2037         double _last_motion_y;
2038
2039         RegionLayeringOrderEditor* layering_order_editor;
2040         void update_region_layering_order_editor ();
2041
2042         /** Track that was the source for the last cut/copy operation.  Used as a place
2043             to paste things iff there is no selected track.
2044         */
2045         TimeAxisView* _last_cut_copy_source_track;
2046
2047         /** true if a change in Selection->regions should change the selection in the region list.
2048             See EditorRegions::selection_changed.
2049         */
2050         bool _region_selection_change_updates_region_list;
2051
2052         void setup_fade_images ();
2053         std::map<ARDOUR::FadeShape, Gtk::Image*> _fade_in_images;
2054         std::map<ARDOUR::FadeShape, Gtk::Image*> _fade_out_images;
2055
2056         Gtk::MenuItem& action_menu_item (std::string const &);
2057         void action_pre_activated (Glib::RefPtr<Gtk::Action> const &);
2058
2059         void set_canvas_cursor_for_region_view (double, RegionView *);
2060
2061         MouseCursors* _cursors;
2062
2063         void resize_text_widgets ();
2064
2065         friend class Drag;
2066         friend class RegionDrag;
2067         friend class RegionMoveDrag;
2068         friend class RegionSpliceDrag;
2069         friend class TrimDrag;
2070         friend class MeterMarkerDrag;
2071         friend class TempoMarkerDrag;
2072         friend class CursorDrag;
2073         friend class FadeInDrag;
2074         friend class FadeOutDrag;
2075         friend class MarkerDrag;
2076         friend class RegionGainDrag;
2077         friend class ControlPointDrag;
2078         friend class LineDrag;
2079         friend class RubberbandSelectDrag;
2080         friend class TimeFXDrag;
2081         friend class ScrubDrag;
2082         friend class SelectionDrag;
2083         friend class RangeMarkerBarDrag;
2084         friend class MouseZoomDrag;
2085         friend class RegionCreateDrag;
2086         friend class RegionMotionDrag;
2087         friend class RegionInsertDrag;
2088
2089         friend class EditorSummary;
2090         friend class EditorGroupTabs;
2091
2092         friend class EditorRoutes;
2093         friend class RhythmFerret;
2094 };
2095
2096 #endif /* __ardour_editor_h__ */