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     $Id$
  19 */
  20
  21 #ifndef __ardour_editor_h__
  22 #define __ardour_editor_h__
  23
  24 #include <list>
  25 #include <map>
  26 #include <set>
  27 #include <string>
  28 #include <sys/time.h>
  29
  30 #include <cmath>
  31
  32 #include <sndfile.h>
  33
  34 #include <gtkmm.h>
  35 #include <gtkmm/layout.h>
  36 #include <gtkmm/comboboxtext.h>
  37 #include <libgnomecanvas/libgnomecanvas.h>
  38 #include <libgnomecanvas/gnome-canvas-util.h>
  39 #include <gtkmm2ext/selector.h>
  40 #include <gtkmm2ext/click_box.h>
  41
  42 #include <ardour/stateful.h>
  43 #include <ardour/session.h>
  44 #include <ardour/tempo.h>
  45 #include <ardour/location.h>
  46 #include <ardour/region.h>
  47
  48 #include "keyboard_target.h"
  49 #include "audio_clock.h"
  50 #include "gtk-custom-ruler.h"
  51 #include "ardour_dialog.h"
  52 #include "public_editor.h"
  53 #include "editing.h"
  54 #include "enums.h"
  55 #include "region_selection.h"
  56
  57 namespace Gtkmm2ext {
  58         class TearOff;
  59 }
  60
  61 namespace LinuxAudioSystems {
  62         class AudioEngine;
  63 }
  64
  65 namespace ARDOUR {
  66         class DiskStream;
  67         class RouteGroup;
  68         class Source;
  69         class Playlist;
  70         class Region;
  71         class Location;
  72         class TempoSection;
  73         class NamedSelection;
  74         class Session;
  75         class AudioFilter;
  76         class Crossfade;
  77 }
  78
  79 namespace LADSPA {
  80         class Plugin;
  81 }
  82
  83 class TimeAxisView;
  84 class AudioTimeAxisView;
  85 class AutomationTimeAxisView;
  86 class AudioRegionView;
  87 class CrossfadeView;
  88 class PluginSelector;
  89 class PlaylistSelector;
  90 class Marker;
  91 class GroupedButtons;
  92 class AutomationLine;
  93 class UIExportSpecification;
  94 class ExportDialog;
  95 class Selection;
  96 class TimeSelection;
  97 class TrackSelection;
  98 class AutomationSelection;
  99 class MixerStrip;
 100 class SoundFileSelector;
 101 class StreamView;
 102 class ControlPoint;
 103
 104 /* <CMT Additions> */
 105 class ImageFrameView;
 106 class ImageFrameTimeAxisView;
 107 class ImageFrameTimeAxis;
 108 class MarkerTimeAxis ;
 109 class MarkerView ;
 110 class ImageFrameSocketHandler ;
 111 class TimeAxisViewItem ;
 112 /* </CMT Additions> */
 113
 114
 115 class Editor : public PublicEditor
 116 {
 117   public:
 118         Editor (ARDOUR::AudioEngine&);
 119         ~Editor ();
 120
 121         void             connect_to_session (ARDOUR::Session *);
 122         ARDOUR::Session* current_session() const { return session; }
 123
 124         jack_nframes_t leftmost_position() const { return leftmost_frame; }
 125         jack_nframes_t current_page_frames() const {
 126                 return (jack_nframes_t) floor (canvas_width * frames_per_unit);
 127         }
 128
 129         void set_snap_to (Editing::SnapType);
 130         void set_snap_mode (Editing::SnapMode);
 131         void set_snap_threshold (double pixel_distance) {snap_threshold = pixel_distance;}
 132
 133         void undo (uint32_t n = 1);
 134         void redo (uint32_t n = 1);
 135
 136         XMLNode& get_state ();
 137         int set_state (const XMLNode& );
 138
 139         void set_mouse_mode (Editing::MouseMode, bool force=true);
 140         void step_mouse_mode (bool next);
 141         Editing::MouseMode current_mouse_mode () { return mouse_mode; }
 142
 143         void add_imageframe_time_axis(std::string track_name, void*) ;
 144         void add_imageframe_marker_time_axis(std::string track_name, TimeAxisView* marked_track, void*) ;
 145         void connect_to_image_compositor() ;
 146         void scroll_timeaxis_to_imageframe_item(const TimeAxisViewItem* item) ;
 147         TimeAxisView* get_named_time_axis(std::string name) ;
 148         /* </CMT Additions> */
 149
 150         void consider_auditioning (ARDOUR::Region&);
 151         void hide_a_region (ARDOUR::Region&);
 152         void remove_a_region (ARDOUR::Region&);
 153
 154         /* option editor-access */
 155
 156         void set_show_waveforms (bool yn);
 157         bool show_waveforms() const { return _show_waveforms; }
 158
 159         void set_show_waveforms_recording (bool yn);
 160         bool show_waveforms_recording() const { return _show_waveforms_recording; }
 161
 162         /* things that need to be public to be used in the main menubar */
 163
 164         void new_region_from_selection ();
 165         void separate_region_from_selection ();
 166         void toggle_playback (bool with_abort);
 167
 168         /* undo related */
 169
 170         void set_edit_menu (Gtk::Menu&);
 171
 172         jack_nframes_t unit_to_frame (double unit) {
 173                 return (jack_nframes_t) rint (unit * frames_per_unit);
 174         }
 175
 176         double frame_to_unit (jack_nframes_t frame) {
 177                 return rint ((double) frame / (double) frames_per_unit);
 178         }
 179
 180         double frame_to_unit (double frame) {
 181                 return rint (frame / frames_per_unit);
 182         }
 183
 184         /* NOTE: these functions assume that the "pixel" coordinate is
 185            the result of using the world->canvas affine transform on a
 186            world coordinate. These coordinates already take into
 187            account any scrolling carried out by adjusting the
 188            xscroll_adjustment.
 189         */
 190
 191         jack_nframes_t pixel_to_frame (double pixel) {
 192
 193                 /* pixel can be less than zero when motion events
 194                    are processed. since we've already run the world->canvas
 195                    affine, that means that the location *really* is "off
 196                    to the right" and thus really is "before the start".
 197                 */
 198
 199                 if (pixel >= 0) {
 200                         return (jack_nframes_t) rint (pixel * frames_per_unit * GNOME_CANVAS(track_gnome_canvas)->pixels_per_unit);
 201                 } else {
 202                         return 0;
 203                 }
 204         }
 205
 206         gulong frame_to_pixel (jack_nframes_t frame) {
 207                 return (gulong) rint ((frame / (frames_per_unit *  GNOME_CANVAS(track_gnome_canvas)->pixels_per_unit)));
 208         }
 209
 210         /* selection */
 211
 212         Selection& get_selection() const { return *selection; }
 213         Selection& get_cut_buffer() const { return *cut_buffer; }
 214
 215         void play_selection ();
 216         void select_all_in_track (bool add);
 217         void select_all (bool add);
 218         void invert_selection_in_track ();
 219         void invert_selection ();
 220
 221         /* tempo */
 222
 223         void set_show_measures (bool yn);
 224         bool show_measures () const { return _show_measures; }
 225
 226         /* export */
 227
 228         /* these initiate export ... */
 229
 230         void export_session();
 231         void export_selection();
 232
 233         /* this is what actually does it */
 234
 235         void export_audiofile (ARDOUR::AudioExportSpecification&);
 236
 237         /* */
 238
 239         void add_toplevel_controls (Gtk::Container&);
 240
 241         void      set_zoom_focus (Editing::ZoomFocus);
 242         Editing::ZoomFocus get_zoom_focus () const { return zoom_focus; }
 243         gdouble   get_current_zoom () { return frames_per_unit; }
 244
 245         void temporal_zoom_step (bool coarser);
 246
 247         /* stuff that AudioTimeAxisView and related classes use */
 248
 249         PlaylistSelector& playlist_selector() const;
 250         void route_name_changed (TimeAxisView *);
 251         gdouble        frames_per_unit;
 252         jack_nframes_t leftmost_frame;
 253         void clear_playlist (ARDOUR::Playlist&);
 254
 255         TrackViewList* get_valid_views (TimeAxisView*, ARDOUR::RouteGroup* grp = 0);
 256
 257         Width editor_mixer_strip_width;
 258         void show_editor_mixer (bool yn);
 259         void set_selected_mixer_strip (TimeAxisView&);
 260         void unselect_strip_in_display (TimeAxisView& tv);
 261         void select_strip_in_display (TimeAxisView& tv);
 262
 263         /* nudge is initiated by transport controls owned by ARDOUR_UI */
 264
 265         void nudge_forward (bool next);
 266         void nudge_backward (bool next);
 267
 268         /* nudge initiated from context menu */
 269
 270         void nudge_forward_capture_offset ();
 271         void nudge_backward_capture_offset ();
 272
 273         /* playhead/screen stuff */
 274
 275         void set_follow_playhead (bool yn);
 276         void toggle_follow_playhead ();
 277         bool follow_playhead() const { return _follow_playhead; }
 278
 279         /* xfades */
 280
 281         void toggle_xfades_active();
 282         void toggle_xfade_visibility ();
 283         void set_xfade_visibility (bool yn);
 284         bool xfade_visibility() const { return _xfade_visibility; }
 285
 286         /* redirect shared ops menu. caller must free returned menu */
 287
 288         Gtk::Menu* redirect_menu ();
 289
 290         /* floating windows/transient */
 291
 292         void ensure_float (Gtk::Window&);
 293
 294         void show_window ();
 295
 296         void scroll_tracks_down_line ();
 297         void scroll_tracks_up_line ();
 298
 299         bool new_regionviews_display_gain () { return _new_regionviews_show_envelope; }
 300         void prepare_for_cleanup ();
 301
 302         void reposition_x_origin (jack_nframes_t sample);
 303
 304   protected:
 305         void map_transport_state ();
 306         void map_position_change (jack_nframes_t);
 307
 308         void on_realize();
 309         void on_map ();
 310
 311   private:
 312
 313         ARDOUR::Session     *session;
 314         ARDOUR::AudioEngine& engine;
 315         bool                 constructed;
 316
 317         PlaylistSelector* _playlist_selector;
 318
 319         enum ItemType {
 320                 RegionItem,
 321                 StreamItem,
 322                 PlayheadCursorItem,
 323                 EditCursorItem,
 324                 MarkerItem,
 325                 MarkerBarItem,
 326                 RangeMarkerBarItem,
 327                 TransportMarkerBarItem,
 328                 SelectionItem,
 329                 GainControlPointItem,
 330                 GainLineItem,
 331                 GainAutomationControlPointItem,
 332                 GainAutomationLineItem,
 333                 PanAutomationControlPointItem,
 334                 PanAutomationLineItem,
 335                 RedirectAutomationControlPointItem,
 336                 RedirectAutomationLineItem,
 337                 MeterMarkerItem,
 338                 TempoMarkerItem,
 339                 MeterBarItem,
 340                 TempoBarItem,
 341                 AudioRegionViewNameHighlight,
 342                 AudioRegionViewName,
 343                 StartSelectionTrimItem,
 344                 EndSelectionTrimItem,
 345                 AutomationTrackItem,
 346                 FadeInItem,
 347                 FadeInHandleItem,
 348                 FadeOutItem,
 349                 FadeOutHandleItem,
 350
 351                 /* <CMT Additions> */
 352                 MarkerViewItem,
 353                 MarkerTimeAxisItem,
 354                 MarkerViewHandleStartItem,
 355                 MarkerViewHandleEndItem,
 356                 ImageFrameItem,
 357                 ImageFrameTimeAxisItem,
 358                 ImageFrameHandleStartItem,
 359                 ImageFrameHandleEndItem,
 360                 /* </CMT Additions> */
 361
 362                 CrossfadeViewItem,
 363
 364                 /* don't remove this */
 365
 366                 NoItem
 367         };
 368
 369         void          set_frames_per_unit (double);
 370         void          frames_per_unit_modified ();
 371
 372         Editing::MouseMode mouse_mode;
 373         void      mouse_insert (GdkEventButton *);
 374
 375         void pane_allocation_handler (GtkAllocation*, Gtk::Paned*);
 376
 377         Gtk::HPaned   canvas_region_list_pane;
 378         Gtk::HPaned   track_list_canvas_pane;
 379
 380         Gtk::EventBox meter_base;
 381         Gtk::HBox     meter_box;
 382         Gtk::EventBox marker_base;
 383         Gtk::HBox     marker_box;
 384         Gtk::VBox     scrollers_rulers_markers_box;
 385
 386         void location_changed (ARDOUR::Location *);
 387         void location_flags_changed (ARDOUR::Location *, void *);
 388         void refresh_location_display ();
 389         void refresh_location_display_s (ARDOUR::Change);
 390         void refresh_location_display_internal (ARDOUR::Locations::LocationList&);
 391         void add_new_location (ARDOUR::Location *);
 392         void location_gone (ARDOUR::Location *);
 393         void remove_marker (GnomeCanvasItem*, GdkEvent*);
 394         gint really_remove_marker (ARDOUR::Location* loc);
 395
 396         uint32_t location_marker_color;
 397         uint32_t location_range_color;
 398         uint32_t location_loop_color;
 399         uint32_t location_punch_color;
 400         uint32_t location_cd_marker_color;
 401
 402         struct LocationMarkers {
 403             Marker* start;
 404             Marker* end;
 405
 406             ~LocationMarkers ();
 407
 408             void hide();
 409             void show ();
 410             void set_name (const string&);
 411             void set_position (jack_nframes_t start, jack_nframes_t end = 0);
 412             void set_color_rgba (uint32_t);
 413         };
 414
 415         LocationMarkers  *find_location_markers (ARDOUR::Location *);
 416         ARDOUR::Location* find_location_from_marker (Marker *, bool& is_start);
 417
 418         typedef std::map<ARDOUR::Location*,LocationMarkers *> LocationMarkerMap;
 419         LocationMarkerMap location_markers;
 420
 421         void hide_marker (GnomeCanvasItem*, GdkEvent*);
 422         void clear_marker_display ();
 423         void mouse_add_new_marker (jack_nframes_t where);
 424
 425         TimeAxisView*      clicked_trackview;
 426         AudioTimeAxisView* clicked_audio_trackview;
 427         AudioRegionView*   clicked_regionview;
 428         AudioRegionView*   latest_regionview;
 429         uint32_t           clicked_selection;
 430         CrossfadeView*     clicked_crossfadeview;
 431         ControlPoint*      clicked_control_point;
 432
 433         void catch_vanishing_audio_regionview (AudioRegionView *);
 434         void set_selected_control_point_from_click (bool add = false, bool with_undo = true, bool no_remove=false);
 435         void set_selected_track_from_click (bool add = false, bool with_undo = true, bool no_remove=false);
 436         void set_selected_regionview_from_click (bool add = false, bool no_track_remove=false);
 437         void set_selected_regionview_from_region_list (ARDOUR::Region& region, bool add = false);
 438         gint set_selected_regionview_from_map_event (GdkEventAny*, StreamView*, ARDOUR::Region*);
 439         void collect_new_region_view (AudioRegionView *);
 440
 441         Gtk::Menu track_context_menu;
 442         Gtk::Menu track_region_context_menu;
 443         Gtk::Menu track_selection_context_menu;
 444         Gtk::Menu track_crossfade_context_menu;
 445
 446         Gtk::MenuItem* region_edit_menu_split_item;
 447         Gtk::MenuItem* region_edit_menu_split_multichannel_item;
 448         Gtk::Menu * track_region_edit_playlist_menu;
 449         Gtk::Menu * track_edit_playlist_submenu;
 450         Gtk::Menu * track_selection_edit_playlist_submenu;
 451
 452         void popup_track_context_menu (int, int, ItemType, bool, jack_nframes_t);
 453         Gtk::Menu* build_track_context_menu (jack_nframes_t);
 454         Gtk::Menu* build_track_bus_context_menu (jack_nframes_t);
 455         Gtk::Menu* build_track_region_context_menu (jack_nframes_t frame);
 456         Gtk::Menu* build_track_crossfade_context_menu (jack_nframes_t);
 457         Gtk::Menu* build_track_selection_context_menu (jack_nframes_t);
 458         void add_dstream_context_items (Gtk::Menu_Helpers::MenuList&);
 459         void add_bus_context_items (Gtk::Menu_Helpers::MenuList&);
 460         void add_region_context_items (StreamView*, ARDOUR::Region*, Gtk::Menu_Helpers::MenuList&);
 461         void add_crossfade_context_items (StreamView*, ARDOUR::Crossfade*, Gtk::Menu_Helpers::MenuList&, bool many);
 462         void add_selection_context_items (Gtk::Menu_Helpers::MenuList&);
 463
 464         void handle_new_route (ARDOUR::Route&);
 465         void handle_new_route_p (ARDOUR::Route*);
 466         void remove_route (TimeAxisView *);
 467         bool route_removal;
 468
 469         Gtk::HBox           global_hpacker;
 470         Gtk::VBox           global_vpacker;
 471         Gtk::VBox           vpacker;
 472
 473         GdkCursor          *current_canvas_cursor;
 474
 475         GtkWidget          *track_gnome_canvas;
 476         GtkWidget          *time_gnome_canvas;
 477         Gtk::Widget        *track_canvas;
 478         Gtk::Widget        *time_canvas;
 479
 480         GnomeCanvasItem*      first_action_message;
 481         GnomeCanvasItem      *verbose_canvas_cursor;
 482         bool                verbose_cursor_visible;
 483
 484         void session_control_changed (ARDOUR::Session::ControlType);
 485         void queue_session_control_changed (ARDOUR::Session::ControlType);
 486
 487
 488         gint track_canvas_motion (GnomeCanvasItem*, GdkEvent*);
 489         void set_verbose_canvas_cursor (string, double x, double y);
 490         void set_verbose_canvas_cursor_text (string);
 491         void show_verbose_canvas_cursor();
 492         void hide_verbose_canvas_cursor();
 493
 494         bool verbose_cursor_on; // so far unused
 495
 496         void flush_track_canvas ();
 497         void flush_time_canvas ();
 498
 499         Gtk::EventBox      time_canvas_event_box;
 500         Gtk::EventBox      track_canvas_event_box;
 501         Gtk::EventBox      time_button_event_box;
 502
 503         GnomeCanvasItem      *minsec_group;
 504         GnomeCanvasItem      *bbt_group;
 505         GnomeCanvasItem      *smpte_group;
 506         GnomeCanvasItem      *frame_group;
 507         GnomeCanvasItem      *tempo_group;
 508         GnomeCanvasItem      *meter_group;
 509         GnomeCanvasItem      *marker_group;
 510         GnomeCanvasItem      *range_marker_group;
 511         GnomeCanvasItem      *transport_marker_group;
 512
 513         enum {
 514                 ruler_metric_smpte = 0,
 515                 ruler_metric_bbt = 1,
 516                 ruler_metric_frames = 2,
 517                 ruler_metric_minsec = 3,
 518
 519                 ruler_time_tempo = 4,
 520                 ruler_time_meter = 5,
 521                 ruler_time_marker = 6,
 522                 ruler_time_range_marker = 7,
 523                 ruler_time_transport_marker = 8,
 524         };
 525
 526         static GtkCustomMetric ruler_metrics[4];
 527         bool                   ruler_shown[9];
 528         bool                   no_ruler_shown_update;
 529
 530         gint ruler_button_press (GdkEventButton*);
 531         gint ruler_button_release (GdkEventButton*);
 532         gint ruler_mouse_motion (GdkEventMotion*);
 533
 534         gint ruler_pressed_button;
 535         Gtk::Widget * ruler_grabbed_widget;
 536
 537         void initialize_rulers ();
 538         void update_just_smpte ();
 539         void update_fixed_rulers ();
 540         void update_tempo_based_rulers ();
 541         void popup_ruler_menu (jack_nframes_t where = 0, ItemType type = RegionItem);
 542         void update_ruler_visibility ();
 543         void ruler_toggled (int);
 544         gint ruler_label_button_release (GdkEventButton*);
 545         void store_ruler_visibility ();
 546         void restore_ruler_visibility ();
 547
 548         static gint _metric_get_smpte (GtkCustomRulerMark **, gulong, gulong, gint);
 549         static gint _metric_get_bbt (GtkCustomRulerMark **, gulong, gulong, gint);
 550         static gint _metric_get_frames (GtkCustomRulerMark **, gulong, gulong, gint);
 551         static gint _metric_get_minsec (GtkCustomRulerMark **, gulong, gulong, gint);
 552
 553         gint metric_get_smpte (GtkCustomRulerMark **, gulong, gulong, gint);
 554         gint metric_get_bbt (GtkCustomRulerMark **, gulong, gulong, gint);
 555         gint metric_get_frames (GtkCustomRulerMark **, gulong, gulong, gint);
 556         gint metric_get_minsec (GtkCustomRulerMark **, gulong, gulong, gint);
 557
 558         GtkWidget          *_smpte_ruler;
 559         GtkWidget          *_bbt_ruler;
 560         GtkWidget          *_frames_ruler;
 561         GtkWidget          *_minsec_ruler;
 562         Gtk::Widget        *smpte_ruler;
 563         Gtk::Widget        *bbt_ruler;
 564         Gtk::Widget        *frames_ruler;
 565         Gtk::Widget        *minsec_ruler;
 566         static Editor      *ruler_editor;
 567
 568         static const double timebar_height;
 569         guint32 visible_timebars;
 570         Gtk::Menu          *editor_ruler_menu;
 571
 572
 573         GnomeCanvasItem      *tempo_bar;
 574         GnomeCanvasItem      *meter_bar;
 575         GnomeCanvasItem      *marker_bar;
 576         GnomeCanvasItem      *range_marker_bar;
 577
 578         GnomeCanvasItem      *transport_marker_bar;
 579
 580
 581         GnomeCanvasItem      *tempo_line;
 582         GnomeCanvasItem      *meter_line;
 583         GnomeCanvasItem      *marker_line;
 584         GnomeCanvasItem      *range_marker_line;
 585         GnomeCanvasItem      *transport_marker_line;
 586
 587         GnomeCanvasPoints    *tempo_line_points;
 588         GnomeCanvasPoints    *meter_line_points;
 589         GnomeCanvasPoints    *marker_line_points;
 590         GnomeCanvasPoints    *range_marker_line_points;
 591         GnomeCanvasPoints    *transport_marker_line_points;
 592
 593         Gtk::Label  minsec_label;
 594         Gtk::Label  bbt_label;
 595         Gtk::Label  smpte_label;
 596         Gtk::Label  frame_label;
 597         Gtk::Label  tempo_label;
 598         Gtk::Label  meter_label;
 599         Gtk::Label  mark_label;
 600         Gtk::Label  range_mark_label;
 601         Gtk::Label  transport_mark_label;
 602
 603
 604         Gtk::VBox          time_button_vbox;
 605         Gtk::HBox          time_button_hbox;
 606
 607         struct Cursor {
 608             Editor&             editor;
 609             GnomeCanvasPoints    *points;
 610             GnomeCanvasItem      *canvas_item;
 611             jack_nframes_t      current_frame;
 612             GtkSignalFunc       callback;
 613                 double                          length;
 614
 615             Cursor (Editor&, const string& color, GtkSignalFunc callback);
 616             ~Cursor ();
 617
 618             void set_position (jack_nframes_t);
 619             void set_length (double units);
 620                 void set_y_axis (double position);
 621         };
 622
 623         friend struct Cursor; /* it needs access to several private
 624                                  fields. XXX fix me.
 625                               */
 626
 627         Cursor* playhead_cursor;
 628         Cursor* edit_cursor;
 629         GnomeCanvasItem* cursor_group;
 630
 631         void    cursor_to_next_region_point (Cursor*, ARDOUR::RegionPoint);
 632         void    cursor_to_previous_region_point (Cursor*, ARDOUR::RegionPoint);
 633         void    cursor_to_region_point (Cursor*, ARDOUR::RegionPoint, int32_t dir);
 634         void    cursor_to_selection_start (Cursor *);
 635         void    cursor_to_selection_end   (Cursor *);
 636
 637         ARDOUR::Region* find_next_region (jack_nframes_t, ARDOUR::RegionPoint, int32_t dir, TrackViewList&, TimeAxisView ** = 0);
 638
 639         vector<jack_nframes_t> region_boundary_cache;
 640         void build_region_boundary_cache ();
 641
 642         Gtk::VBox           trackview_vpacker;
 643
 644         Gtk::HBox           top_hbox;
 645         Gtk::HBox           bottom_hbox;
 646
 647         Gtk::Table          edit_packer;
 648         Gtk::Frame          edit_frame;
 649         Gtk::VScrollbar     edit_vscrollbar;
 650
 651         /* the horizontal scroller works in a rather different way
 652            than a regular scrollbar, since its used for
 653            zoom control/indication as well. But more importantly,
 654            its different components (slider, left arrow, right arrow)
 655            have to be packed separately into the edit_packer.
 656         */
 657
 658         Gtk::HScrollbar     edit_hscrollbar;
 659         Gtk::DrawingArea    edit_hscroll_slider;
 660         Gtk::Arrow          edit_hscroll_left_arrow;
 661         Gtk::Arrow          edit_hscroll_right_arrow;
 662         Gtk::EventBox       edit_hscroll_left_arrow_event;
 663         Gtk::EventBox       edit_hscroll_right_arrow_event;
 664         gint                edit_hscroll_slider_width;
 665         gint                edit_hscroll_slider_height;
 666         static const gint   edit_hscroll_edge_width = 3;
 667         bool                edit_hscroll_dragging;
 668         double              edit_hscroll_drag_last;
 669
 670         void hscroll_slider_allocate (GtkAllocation *);
 671         gint hscroll_slider_expose (GdkEventExpose*);
 672         gint hscroll_slider_button_press (GdkEventButton*);
 673         gint hscroll_slider_button_release (GdkEventButton*);
 674         gint hscroll_slider_motion (GdkEventMotion*);
 675
 676         gint hscroll_trough_expose (GdkEventExpose*);
 677         gint hscroll_trough_button_press (GdkEventButton*);
 678         gint hscroll_trough_button_release (GdkEventButton*);
 679
 680         void update_hscroller ();
 681
 682         gint hscroll_left_arrow_button_press (GdkEventButton *);
 683         gint hscroll_left_arrow_button_release (GdkEventButton *);
 684         gint hscroll_right_arrow_button_press (GdkEventButton *);
 685         gint hscroll_right_arrow_button_release (GdkEventButton *);
 686
 687         guint32             canvas_width;
 688         guint32             canvas_height;
 689
 690         Gtk::ScrolledWindow  track_canvas_scroller;
 691         Gtk::ScrolledWindow  time_canvas_scroller;
 692         Gtk::ScrolledWindow  edit_controls_scroller;
 693
 694         gint edit_controls_button_release (GdkEventButton*);
 695         Gtk::Menu *edit_controls_left_menu;
 696         Gtk::Menu *edit_controls_right_menu;
 697
 698         void track_canvas_scroller_realized ();
 699         void time_canvas_scroller_realized ();
 700
 701         Gtk::VBox           track_canvas_vbox;
 702         Gtk::VBox           time_canvas_vbox;
 703         Gtk::VBox           edit_controls_vbox;
 704         Gtk::HBox           edit_controls_hbox;
 705
 706         void tie_vertical_scrolling ();
 707         void canvas_horizontally_scrolled ();
 708         void reposition_and_zoom (jack_nframes_t sample, double fpu);
 709         gint deferred_reposition_and_zoom (jack_nframes_t sample, double fpu);
 710         void end_location_changed (ARDOUR::Location*);
 711         bool repos_zoom_queued;
 712         bool no_zoom_repos_update;
 713         bool no_tempo_map_update;
 714
 715         struct RegionListDisplayModelColumns : public Gtk::TreeModel::ColumnRecord {
 716             RegionListDisplayModelColumns() {
 717                     add (name);
 718                     add (region);
 719             }
 720             Gtk::TreeModelColumn<Glib::ustring> name;
 721             Gtk::TreeModelColumn<ARDOUR::Region*> region;
 722         };
 723
 724         RegionListDisplayModelColumns    region_list_columns;
 725         Gtk::TreeView                    region_list_display;
 726         Glib::RefPtr<Gtk::TreeStore>     region_list_model;
 727         Glib::RefPtr<Gtk::TreeModelSort> region_list_sort_model;
 728         Glib::RefPtr<Gtk::Action>        toggle_full_region_list_action;
 729
 730         void region_list_selection_changed ();
 731
 732         Gtk::Menu          *region_list_menu;
 733         Gtk::ScrolledWindow region_list_scroller;
 734         Gtk::Frame          region_list_frame;
 735
 736         bool region_list_display_key_press (GdkEventKey *);
 737         bool region_list_display_key_release (GdkEventKey *);
 738         bool region_list_display_button_press (GdkEventButton *);
 739         bool region_list_display_button_release (GdkEventButton *);
 740         bool region_list_display_enter_notify (GdkEventCrossing *);
 741         bool region_list_display_leave_notify (GdkEventCrossing *);
 742         void region_list_clear ();
 743         void region_list_selection_mapover (sigc::slot<void,ARDOUR::Region&>);
 744         void build_region_list_menu ();
 745
 746         Gtk::CheckMenuItem* toggle_auto_regions_item;
 747         Gtk::CheckMenuItem* toggle_full_region_list_item;
 748
 749         Gtk::MenuItem* import_audio_item;
 750         Gtk::MenuItem* embed_audio_item;
 751
 752         bool show_automatic_regions_in_region_list;
 753         Editing::RegionListSortType region_list_sort_type;
 754
 755         void reset_region_list_sort_direction (bool);
 756         void reset_region_list_sort_type (Editing::RegionListSortType);
 757
 758         void toggle_full_region_list ();
 759         void toggle_show_auto_regions ();
 760
 761         int region_list_sorter (Gtk::TreeModel::iterator, Gtk::TreeModel::iterator);
 762
 763         /* named selections */
 764
 765         Gtk::VPaned         region_selection_vpane;
 766         Gtk::TreeView          named_selection_display;
 767         Gtk::ScrolledWindow named_selection_scroller;
 768
 769         void name_selection();
 770         void named_selection_name_chosen ();
 771         void create_named_selection (string);
 772         void paste_named_selection (float times);
 773
 774         void handle_new_named_selection ();
 775         void add_named_selection_to_named_selection_display (ARDOUR::NamedSelection&);
 776         void redisplay_named_selections ();
 777
 778         gint named_selection_display_button_press (GdkEventButton *ev);
 779         void named_selection_display_selected (gint row, gint col, GdkEvent *ev);
 780         void named_selection_display_unselected (gint row, gint col, GdkEvent *ev);
 781
 782         /* track views */
 783         int track_spacing;
 784         TrackViewList  track_views;
 785         TimeAxisView     *trackview_by_y_position (double ypos);
 786
 787         static GdkCursor* cross_hair_cursor;
 788         static GdkCursor* trimmer_cursor;
 789         static GdkCursor* selector_cursor;
 790         static GdkCursor* grabber_cursor;
 791         static GdkCursor* zoom_cursor;
 792         static GdkCursor* time_fx_cursor;
 793         static GdkCursor* fader_cursor;
 794         static GdkCursor* speaker_cursor;
 795         static GdkCursor* null_cursor;
 796         static GdkCursor* wait_cursor;
 797         static GdkCursor* timebar_cursor;
 798
 799         static void build_cursors ();
 800
 801         sigc::connection scroll_connection;
 802         jack_nframes_t last_update_frame;
 803         void center_screen (jack_nframes_t);
 804         void center_screen_internal (jack_nframes_t, float);
 805
 806         void update_current_screen ();
 807         sigc::connection slower_update_connection;
 808         void update_slower ();
 809
 810         gint show_track_context_menu (GdkEventButton *);
 811         void hide_track_context_menu ();
 812
 813         void session_going_away ();
 814
 815         jack_nframes_t cut_buffer_start;
 816         jack_nframes_t cut_buffer_length;
 817
 818         gint typed_event (GnomeCanvasItem*, GdkEvent*, ItemType);
 819         gint button_press_handler (GnomeCanvasItem*, GdkEvent*, ItemType);
 820         gint button_release_handler (GnomeCanvasItem*, GdkEvent*, ItemType);
 821         gint motion_handler (GnomeCanvasItem*, GdkEvent*, ItemType);
 822         gint enter_handler (GnomeCanvasItem*, GdkEvent*, ItemType);
 823         gint leave_handler (GnomeCanvasItem*, GdkEvent*, ItemType);
 824
 825         /* KEYMAP HANDLING */
 826
 827         void register_actions ();
 828         void install_keybindings ();
 829
 830         int ensure_cursor (jack_nframes_t* pos);
 831
 832         void fake_handle_new_audio_region (ARDOUR::AudioRegion *);
 833         void handle_new_audio_region (ARDOUR::AudioRegion *);
 834         void fake_handle_audio_region_removed (ARDOUR::AudioRegion *);
 835         void handle_audio_region_removed (ARDOUR::AudioRegion *);
 836         void add_audio_region_to_region_display (ARDOUR::AudioRegion *);
 837         void region_hidden (ARDOUR::Region*);
 838         void redisplay_regions ();
 839         void insert_into_tmp_audio_regionlist(ARDOUR::AudioRegion *);
 840
 841         list<ARDOUR::AudioRegion *> tmp_audio_region_list;
 842
 843         void cut_copy (Editing::CutCopyOp);
 844         void cut_copy_points (Editing::CutCopyOp);
 845         void cut_copy_regions (Editing::CutCopyOp);
 846         void cut_copy_ranges (Editing::CutCopyOp);
 847
 848         void mouse_paste ();
 849         void paste_internal (jack_nframes_t position, float times);
 850
 851         /* EDITING OPERATIONS */
 852
 853         void toggle_region_mute ();
 854         void toggle_region_opaque ();
 855         void raise_region ();
 856         void raise_region_to_top ();
 857         void lower_region ();
 858         void lower_region_to_bottom ();
 859         void split_region ();
 860         void split_region_at (jack_nframes_t);
 861         void split_regions_at (jack_nframes_t, AudioRegionSelection&);
 862         void crop_region_to_selection ();
 863         void set_region_sync_from_edit_cursor ();
 864         void remove_region_sync();
 865         void align_selection (ARDOUR::RegionPoint, jack_nframes_t position);
 866         void align_selection_relative (ARDOUR::RegionPoint point, jack_nframes_t position);
 867         void align_region (ARDOUR::Region&, ARDOUR::RegionPoint point, jack_nframes_t position);
 868         void align_region_internal (ARDOUR::Region&, ARDOUR::RegionPoint point, jack_nframes_t position);
 869         void remove_some_regions ();
 870         void remove_clicked_region ();
 871         void destroy_clicked_region ();
 872         void edit_region ();
 873         void duplicate_some_regions (AudioRegionSelection&, float times);
 874         void duplicate_selection (float times);
 875         void region_fill_selection ();
 876
 877         void region_fill_track ();
 878         void audition_playlist_region_standalone (ARDOUR::AudioRegion&);
 879         void audition_playlist_region_via_route (ARDOUR::AudioRegion&, ARDOUR::Route&);
 880         void split_multichannel_region();
 881         void reverse_region ();
 882         void normalize_region ();
 883         void denormalize_region ();
 884
 885         void audition_region_from_region_list ();
 886         void hide_region_from_region_list ();
 887         void remove_region_from_region_list ();
 888
 889         void align (ARDOUR::RegionPoint);
 890         void align_relative (ARDOUR::RegionPoint);
 891         void naturalize ();
 892
 893         void cut ();
 894         void copy ();
 895         void paste (float times);
 896
 897         int  get_prefix (float&, bool&);
 898
 899         void keyboard_paste ();
 900         void keyboard_duplicate_region ();
 901         void keyboard_duplicate_selection ();
 902         void keyboard_nudge ();
 903         void keyboard_insert_region_list_selection ();
 904
 905         void region_from_selection ();
 906         void create_region_from_selection (std::vector<ARDOUR::AudioRegion*>&);
 907
 908         bool region_renamed;
 909         void rename_region ();
 910         void rename_region_finished (bool);
 911
 912         void play_from_start ();
 913         void play_from_edit_cursor ();
 914         void play_selected_region ();
 915         void audition_selected_region ();
 916         void toggle_loop_playback ();
 917         void loop_selected_region ();
 918         void play_location (ARDOUR::Location&);
 919         void loop_location (ARDOUR::Location&);
 920
 921         Editing::ZoomFocus zoom_focus;
 922
 923         void temporal_zoom_selection ();
 924         void temporal_zoom_session ();
 925         void temporal_zoom (gdouble scale);
 926         void temporal_zoom_by_frame (jack_nframes_t start, jack_nframes_t end, string op);
 927         void temporal_zoom_to_frame (bool coarser, jack_nframes_t frame);
 928
 929         void amplitude_zoom (gdouble scale);
 930         void amplitude_zoom_step (bool in);
 931
 932         void insert_region_list_drag (ARDOUR::AudioRegion&);
 933         void insert_region_list_selection (float times);
 934
 935         void insert_sndfile (bool as_tracks);
 936         void embed_audio ();    // inserts into region list
 937         int  reject_because_rate_differs (string path, SF_INFO& finfo, string action, bool multiple_pending);
 938
 939         void do_embed_sndfiles (vector<string> paths, bool split);
 940         void embed_sndfile (string path, bool split, bool multiple_files, bool& check_sr);
 941
 942         void do_insert_sndfile (vector<string> path, bool multi, jack_nframes_t frame);
 943         void insert_paths_as_new_tracks (std::vector<std::string> paths, bool multi); // inserts files as new tracks
 944         void insert_sndfile_into (string path, bool multi, AudioTimeAxisView* tv, jack_nframes_t& frame, bool prompt=true);
 945         static void* _insert_sndfile_thread (void*);
 946         void*  insert_sndfile_thread (void*);
 947
 948         /* generic interthread progress window */
 949
 950         ArdourDialog* interthread_progress_window;
 951         Gtk::Label interthread_progress_label;
 952         Gtk::VBox interthread_progress_vbox;
 953         Gtk::ProgressBar interthread_progress_bar;
 954         Gtk::Button interthread_cancel_button;
 955         Gtk::Label interthread_cancel_label;
 956         sigc::connection  interthread_progress_connection;
 957         void interthread_cancel_clicked ();
 958         void build_interthread_progress_window ();
 959         ARDOUR::InterThreadInfo* current_interthread_info;
 960
 961         /* import specific info */
 962
 963         ARDOUR::Session::import_status import_status;
 964         gint import_progress_timeout (void *);
 965         static void *_import_thread (void *);
 966         void* import_thread ();
 967         void catch_new_audio_region (ARDOUR::AudioRegion*);
 968         ARDOUR::AudioRegion* last_audio_region;
 969
 970         /* to support this ... */
 971
 972         void import_audio (bool as_tracks);
 973         void do_import (vector<string> paths, bool split, bool as_tracks);
 974
 975         void move_to_start ();
 976         void move_to_end ();
 977         void goto_frame ();
 978         void center_playhead ();
 979         void center_edit_cursor ();
 980         void edit_cursor_backward ();
 981         void edit_cursor_forward ();
 982         void playhead_backward ();
 983         void playhead_forward ();
 984         void scroll_backward (float pages=0.8f);
 985         void scroll_forward (float pages=0.8f);
 986         void scroll_tracks_down ();
 987         void scroll_tracks_up ();
 988         void delete_sample_forward ();
 989         void delete_sample_backward ();
 990         void delete_screen ();
 991         void search_backwards ();
 992         void search_forwards ();
 993         void set_mark ();
 994         void clear_markers ();
 995         void clear_ranges ();
 996         void clear_locations ();
 997         void jump_forward_to_mark ();
 998         void jump_backward_to_mark ();
 999         void cursor_align (bool playhead_to_edit);
1000
1001         void remove_last_capture ();
1002
1003         void set_selection_from_range (ARDOUR::Location&);
1004         void set_selection_from_punch ();
1005         void set_selection_from_loop ();
1006
1007         void add_location_from_selection ();
1008         void set_route_loop_selection ();
1009
1010         void add_location_from_playhead_cursor ();
1011
1012         void reverse_selection ();
1013         void edit_envelope ();
1014
1015         void start_scrolling ();
1016         void stop_scrolling ();
1017
1018         void keyboard_selection_begin ();
1019         void keyboard_selection_finish (bool add);
1020         bool have_pending_keyboard_selection;
1021         jack_nframes_t pending_keyboard_selection_start;
1022
1023         ARDOUR::AudioRegion* select_region_for_operation (int dir, TimeAxisView **tv);
1024         void extend_selection_to_end_of_region (bool next);
1025         void extend_selection_to_start_of_region (bool previous);
1026
1027         Editing::SnapType snap_type;
1028         Editing::SnapMode snap_mode;
1029         double snap_threshold;
1030
1031         void soundfile_chosen_for_insert (string selection, bool split_channels);
1032         void soundfile_chosen_for_embed (string selection, bool split_channels);
1033         void soundfile_chosen_for_import (string selection, bool split_channels);
1034
1035         void handle_gui_changes (string, void *);
1036
1037         void    hide_all_tracks (bool with_select);
1038
1039         void route_list_selected (gint row, gint col, GdkEvent* ev);
1040         void route_list_unselected (gint row, gint col, GdkEvent* ev);
1041         void redisplay_route_list();
1042         gint route_list_reordered ();
1043         bool ignore_route_list_reorder;
1044         void queue_route_list_reordered (gint row, gint col);
1045
1046         struct DragInfo {
1047             GnomeCanvasItem* item;
1048             void* data;
1049             jack_nframes_t last_frame_position;
1050             int32_t pointer_frame_offset;
1051             jack_nframes_t grab_frame;
1052             jack_nframes_t last_pointer_frame;
1053             jack_nframes_t current_pointer_frame;
1054             double grab_x, grab_y;
1055             double cumulative_x_drag;
1056             double cumulative_y_drag;
1057             double current_pointer_x;
1058             double current_pointer_y;
1059             void (Editor::*motion_callback)(GnomeCanvasItem*, GdkEvent*);
1060             void (Editor::*finished_callback)(GnomeCanvasItem*, GdkEvent*);
1061             TimeAxisView* last_trackview;
1062             bool x_constrained;
1063             bool copy;
1064             bool was_rolling;
1065             bool first_move;
1066             bool move_threshold_passsed;
1067             bool want_move_threshold;
1068             bool brushing;
1069             ARDOUR::Location* copied_location;
1070         } drag_info;
1071
1072         struct LineDragInfo {
1073             uint32_t before;
1074             uint32_t after;
1075         };
1076
1077         LineDragInfo current_line_drag_info;
1078
1079         void start_grab (GdkEvent*, GdkCursor* cursor = 0);
1080         bool end_grab (GnomeCanvasItem*, GdkEvent*);
1081
1082         Gtk::Menu fade_context_menu;
1083         void popup_fade_context_menu (int, int, GnomeCanvasItem*, ItemType);
1084
1085         void start_fade_in_grab (GnomeCanvasItem*, GdkEvent*);
1086         void start_fade_out_grab (GnomeCanvasItem*, GdkEvent*);
1087         void fade_in_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
1088         void fade_out_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
1089         void fade_in_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
1090         void fade_out_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
1091
1092         std::set<ARDOUR::Playlist*> motion_frozen_playlists;
1093         void region_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
1094         void region_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
1095         void region_copy_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
1096
1097         void cursor_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
1098         void cursor_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
1099         void marker_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
1100         void marker_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
1101         void control_point_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
1102         void control_point_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
1103         void line_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
1104         void line_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
1105
1106         void tempo_marker_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
1107         void tempo_marker_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
1108         void meter_marker_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
1109         void meter_marker_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
1110
1111         gint mouse_rename_region (GnomeCanvasItem*, GdkEvent*);
1112
1113         void start_region_grab (GnomeCanvasItem*, GdkEvent*);
1114         void start_region_copy_grab (GnomeCanvasItem*, GdkEvent*);
1115         void start_region_brush_grab (GnomeCanvasItem*, GdkEvent*);
1116         void start_selection_grab (GnomeCanvasItem*, GdkEvent*);
1117         void start_cursor_grab (GnomeCanvasItem*, GdkEvent*);
1118         void start_marker_grab (GnomeCanvasItem*, GdkEvent*);
1119         void start_control_point_grab (GnomeCanvasItem*, GdkEvent*);
1120         void start_line_grab_from_regionview (GnomeCanvasItem*, GdkEvent*);
1121         void start_line_grab_from_line (GnomeCanvasItem*, GdkEvent*);
1122         void start_line_grab (AutomationLine *, GdkEvent*);
1123         void start_tempo_marker_grab (GnomeCanvasItem*, GdkEvent*);
1124         void start_meter_marker_grab (GnomeCanvasItem*, GdkEvent*);
1125
1126         void region_view_item_click (AudioRegionView&, GdkEventButton*);
1127
1128         void remove_gain_control_point (GnomeCanvasItem*, GdkEvent*);
1129         void remove_control_point (GnomeCanvasItem*, GdkEvent*);
1130
1131         void mouse_brush_insert_region (AudioRegionView*, jack_nframes_t pos);
1132         void brush (jack_nframes_t);
1133
1134         void show_verbose_time_cursor (jack_nframes_t frame, double offset = 0, double xpos=-1, double ypos=-1);
1135         void show_verbose_duration_cursor (jack_nframes_t start, jack_nframes_t end, double offset = 0, double xpos=-1, double ypos=-1);
1136
1137         /* static versions of these are public in PublicEditor */
1138
1139         gint _canvas_crossfade_view_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1140         gint _canvas_fade_in_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1141         gint _canvas_fade_in_handle_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1142         gint _canvas_fade_out_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1143         gint _canvas_fade_out_handle_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1144         gint _canvas_region_view_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1145         gint _canvas_region_view_name_highlight_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1146         gint _canvas_region_view_name_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1147         gint _canvas_stream_view_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1148         gint _canvas_automation_track_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1149         gint _canvas_marker_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1150         gint _canvas_zoom_rect_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1151         gint _canvas_selection_rect_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1152         gint _canvas_selection_start_trim_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1153         gint _canvas_selection_end_trim_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1154         gint _canvas_control_point_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1155         gint _canvas_line_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1156         gint _canvas_tempo_marker_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1157         gint _canvas_meter_marker_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1158         gint _canvas_tempo_bar_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1159         gint _canvas_meter_bar_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1160         gint _canvas_marker_bar_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1161         gint _canvas_range_marker_bar_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1162         gint _canvas_transport_marker_bar_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1163         gint _canvas_imageframe_item_view_event(GnomeCanvasItem *item, GdkEvent* event, gpointer data) ;
1164         gint _canvas_imageframe_view_event(GnomeCanvasItem *item, GdkEvent* event, gpointer data) ;
1165         gint _canvas_imageframe_start_handle_event(GnomeCanvasItem* item, GdkEvent* event, gpointer data) ;
1166         gint _canvas_imageframe_end_handle_event(GnomeCanvasItem* item, GdkEvent* event, gpointer data) ;
1167         gint _canvas_marker_time_axis_view_event(GnomeCanvasItem* item, GdkEvent* event, gpointer data) ;
1168         gint _canvas_markerview_item_view_event(GnomeCanvasItem* item, GdkEvent* event, gpointer data) ;
1169         gint _canvas_markerview_start_handle_event(GnomeCanvasItem* item, GdkEvent* event, gpointer data) ;
1170         gint _canvas_markerview_end_handle_event(GnomeCanvasItem* item, GdkEvent* event, gpointer data) ;
1171
1172         /* now the real things */
1173
1174         gint canvas_crossfade_view_event (GnomeCanvasItem* item, GdkEvent* event, CrossfadeView*);
1175         gint canvas_fade_in_event (GnomeCanvasItem* item, GdkEvent* event, AudioRegionView*);
1176         gint canvas_fade_in_handle_event (GnomeCanvasItem* item, GdkEvent* event, AudioRegionView*);
1177         gint canvas_fade_out_event (GnomeCanvasItem* item, GdkEvent* event, AudioRegionView*);
1178         gint canvas_fade_out_handle_event (GnomeCanvasItem* item, GdkEvent* event, AudioRegionView*);
1179         gint canvas_region_view_event (GnomeCanvasItem* item, GdkEvent* event, AudioRegionView*);
1180         gint canvas_stream_view_event (GnomeCanvasItem* item, GdkEvent* event, AudioTimeAxisView*);
1181         gint canvas_automation_track_event (GnomeCanvasItem* item, GdkEvent* event, AutomationTimeAxisView*);
1182         gint canvas_marker_event (GnomeCanvasItem* item, GdkEvent* event);
1183         gint canvas_zoom_rect_event (GnomeCanvasItem* item, GdkEvent* event);
1184         gint canvas_selection_rect_event (GnomeCanvasItem* item, GdkEvent* event);
1185         gint canvas_selection_start_trim_event (GnomeCanvasItem* item, GdkEvent* event);
1186         gint canvas_selection_end_trim_event (GnomeCanvasItem* item, GdkEvent* event);
1187         gint canvas_control_point_event (GnomeCanvasItem* item, GdkEvent* event);
1188         gint canvas_line_event (GnomeCanvasItem* item, GdkEvent* event);
1189         gint canvas_tempo_marker_event (GnomeCanvasItem* item, GdkEvent* event);
1190         gint canvas_meter_marker_event (GnomeCanvasItem* item, GdkEvent* event);
1191         gint canvas_tempo_bar_event (GnomeCanvasItem* item, GdkEvent* event);
1192         gint canvas_meter_bar_event (GnomeCanvasItem* item, GdkEvent* event);
1193         gint canvas_marker_bar_event (GnomeCanvasItem* item, GdkEvent* event);
1194         gint canvas_range_marker_bar_event (GnomeCanvasItem* item, GdkEvent* event);
1195         gint canvas_transport_marker_bar_event (GnomeCanvasItem* item, GdkEvent* event);
1196         gint canvas_region_view_name_highlight_event (GnomeCanvasItem* item, GdkEvent* event);
1197         gint canvas_region_view_name_event (GnomeCanvasItem* item, GdkEvent* event);
1198
1199         /* these are not publically accessible, but we still need the static versions
1200            till we use Gnome::Canvas.
1201         */
1202
1203         static gint _canvas_copy_region_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1204         gint canvas_copy_region_event (GnomeCanvasItem* item, GdkEvent* event);
1205
1206         static gint _canvas_playhead_cursor_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1207         gint canvas_playhead_cursor_event (GnomeCanvasItem* item, GdkEvent* event);
1208
1209         static gint _canvas_edit_cursor_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1210         gint canvas_edit_cursor_event (GnomeCanvasItem* item, GdkEvent* event);
1211
1212         static gint _track_canvas_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1213         gint track_canvas_event (GnomeCanvasItem* item, GdkEvent* event);
1214
1215         gint track_canvas_button_press_event (GdkEventButton *);
1216         gint track_canvas_button_release_event (GdkEventButton *);
1217
1218         void track_canvas_allocate (GtkAllocation* alloc);
1219         void time_canvas_allocate (GtkAllocation* alloc);
1220
1221         void set_edit_cursor (GdkEvent* event);
1222         void set_playhead_cursor (GdkEvent* event);
1223
1224         void kbd_driver (sigc::slot<void,GdkEvent*>, bool use_track_canvas = true, bool use_time_canvas = true, bool can_select = true);
1225         void kbd_set_playhead_cursor ();
1226         void kbd_set_edit_cursor ();
1227         void kbd_split ();
1228         void kbd_align (ARDOUR::RegionPoint);
1229         void kbd_align_relative (ARDOUR::RegionPoint);
1230         void kbd_brush ();
1231         void kbd_audition ();
1232
1233         void kbd_do_split (GdkEvent*);
1234         void kbd_do_align (GdkEvent*, ARDOUR::RegionPoint);
1235         void kbd_do_align_relative (GdkEvent*, ARDOUR::RegionPoint);
1236         void kbd_do_brush (GdkEvent*);
1237         void kbd_do_audition (GdkEvent*);
1238
1239         void fake_handle_new_duration ();
1240         void handle_new_duration ();
1241         void initialize_canvas ();
1242         void reset_scrolling_region (GtkAllocation* alloc = 0);
1243         void scroll_canvas ();
1244
1245         /* sub-event loop handling */
1246
1247         int32_t sub_event_loop_status;
1248         void run_sub_event_loop ();
1249         void finish_sub_event_loop (int status);
1250         gint finish_sub_event_loop_on_delete (GdkEventAny*, int32_t status);
1251
1252         /* display control */
1253
1254         bool _show_measures;
1255         bool _show_waveforms;
1256         bool _follow_playhead;
1257         bool _show_waveforms_recording;
1258
1259         void add_bbt_marks (ARDOUR::TempoMap::BBTPointList&);
1260
1261         ARDOUR::TempoMap::BBTPointList *current_bbt_points;
1262
1263         typedef vector<GnomeCanvasItem*> TimeLineList;
1264         TimeLineList free_measure_lines;
1265         TimeLineList used_measure_lines;
1266
1267         GnomeCanvasItem* time_line_group;
1268         GnomeCanvasItem* get_time_line ();
1269         void hide_measures ();
1270         void draw_measures ();
1271         void draw_time_bars ();
1272
1273         void new_tempo_section ();
1274
1275         void mouse_add_new_tempo_event (jack_nframes_t where);
1276         void mouse_add_new_meter_event (jack_nframes_t where);
1277
1278         void remove_tempo_marker (GnomeCanvasItem*);
1279         void remove_meter_marker (GnomeCanvasItem*);
1280         gint real_remove_tempo_marker (ARDOUR::TempoSection*);
1281         gint real_remove_meter_marker (ARDOUR::MeterSection*);
1282
1283         void edit_tempo_section (ARDOUR::TempoSection*);
1284         void edit_meter_section (ARDOUR::MeterSection*);
1285         void edit_tempo_marker (GnomeCanvasItem*);
1286         void edit_meter_marker (GnomeCanvasItem*);
1287
1288         void marker_menu_edit ();
1289         void marker_menu_remove ();
1290         void marker_menu_rename ();
1291         void marker_menu_hide ();
1292         void marker_menu_loop_range ();
1293         void marker_menu_play_from ();
1294         void marker_menu_set_playhead ();
1295         void marker_menu_set_from_playhead ();
1296         void marker_menu_set_from_selection ();
1297         void new_transport_marker_menu_set_loop ();
1298         void new_transport_marker_menu_set_punch ();
1299         void update_loop_range_view (bool visibility=false);
1300         void update_punch_range_view (bool visibility=false);
1301         gint new_transport_marker_menu_popdown (GdkEventAny*);
1302         void marker_context_menu (GdkEventButton*, GnomeCanvasItem*);
1303         void tm_marker_context_menu (GdkEventButton*, GnomeCanvasItem*);
1304         void transport_marker_context_menu (GdkEventButton*, GnomeCanvasItem*);
1305         void new_transport_marker_context_menu (GdkEventButton*, GnomeCanvasItem*);
1306         void build_marker_menu ();
1307         void build_tm_marker_menu ();
1308         void build_transport_marker_menu ();
1309         void build_new_transport_marker_menu ();
1310
1311         Gtk::Menu* tm_marker_menu;
1312         Gtk::Menu* marker_menu;
1313         Gtk::Menu* transport_marker_menu;
1314         Gtk::Menu* new_transport_marker_menu;
1315         GnomeCanvasItem* marker_menu_item;
1316
1317         typedef list<Marker*> Marks;
1318         Marks metric_marks;
1319
1320         void remove_metric_marks ();
1321         void draw_metric_marks (const ARDOUR::Metrics& metrics);
1322
1323         void tempo_map_changed (ARDOUR::Change);
1324         void redisplay_tempo ();
1325
1326         void snap_to (jack_nframes_t& first, int32_t direction = 0, bool for_mark = false);
1327         uint32_t bbt_beat_subdivision;
1328
1329         /* toolbar */
1330
1331         Gtk::ToggleButton        editor_mixer_button;
1332
1333         void editor_mixer_button_toggled ();
1334
1335         AudioClock               selection_start_clock;
1336         Gtk::Label               selection_start_clock_label;
1337         AudioClock               selection_end_clock;
1338         Gtk::Label               selection_end_clock_label;
1339         AudioClock               edit_cursor_clock;
1340         Gtk::Label               edit_cursor_clock_label;
1341         AudioClock               zoom_range_clock;
1342         Gtk::Button              zoom_in_button;
1343         Gtk::Button              zoom_out_button;
1344         Gtk::Button              zoom_out_full_button;
1345         Gtk::Button              zoom_onetoone_button;
1346
1347         Gtk::VBox                toolbar_clock_vbox;
1348         Gtk::VBox                toolbar_selection_clock_vbox;
1349         Gtk::Table               toolbar_selection_clock_table;
1350         Gtk::Label               toolbar_selection_cursor_label;
1351
1352         Gtk::Table               mouse_mode_button_table;
1353         Gtkmm2ext::TearOff*       mouse_mode_tearoff;
1354         Gtk::ToggleButton        mouse_select_button;
1355         Gtk::ToggleButton        mouse_move_button;
1356         Gtk::ToggleButton        mouse_gain_button;
1357         Gtk::ToggleButton        mouse_zoom_button;
1358         Gtk::ToggleButton        mouse_timefx_button;
1359         Gtk::ToggleButton        mouse_audition_button;
1360         GroupedButtons          *mouse_mode_button_set;
1361         void                     mouse_mode_toggled (Editing::MouseMode m);
1362         bool                     ignore_mouse_mode_toggle;
1363
1364         gint                     mouse_select_button_release (GdkEventButton*);
1365
1366         Gtk::VBox                automation_box;
1367         Gtk::Button              automation_mode_button;
1368         Gtk::ToggleButton        global_automation_button;
1369
1370         Gtk::ComboBoxText edit_mode_selector;
1371         Gtk::Label               edit_mode_label;
1372         Gtk::VBox                edit_mode_box;
1373
1374         gint edit_mode_selection_done (GdkEventAny*);
1375
1376         Gtk::ComboBoxText snap_type_selector;
1377         Gtk::Label               snap_type_label;
1378         Gtk::VBox                snap_type_box;
1379
1380         gint snap_type_selection_done (GdkEventAny*);
1381
1382         Gtk::ComboBoxText               snap_mode_selector;
1383         Gtk::Label               snap_mode_label;
1384         Gtk::VBox                snap_mode_box;
1385
1386         gint snap_mode_selection_done (GdkEventAny*);
1387
1388         Gtk::ComboBoxText zoom_focus_selector;
1389         Gtk::Label               zoom_focus_label;
1390         Gtk::VBox                zoom_focus_box;
1391
1392         gint zoom_focus_selection_done (GdkEventAny*);
1393
1394         Gtk::Label          zoom_indicator_label;
1395         Gtk::HBox           zoom_indicator_box;
1396         Gtk::VBox           zoom_indicator_vbox;
1397
1398         void                update_zoom_indicator ();
1399         void                zoom_adjustment_changed();
1400
1401         void                edit_cursor_clock_changed();
1402
1403         void setup_toolbar ();
1404
1405         Gtkmm2ext::TearOff*       tools_tearoff;
1406         Gtk::HBox                toolbar_hbox;
1407         Gtk::EventBox            toolbar_base;
1408         Gtk::Frame               toolbar_frame;
1409
1410         /* selection process */
1411
1412         Selection* selection;
1413         Selection* cut_buffer;
1414
1415         void time_selection_changed ();
1416         void track_selection_changed ();
1417         void region_selection_changed ();
1418         void point_selection_changed ();
1419         void audio_track_selection_changed ();
1420         void line_selection_changed ();
1421
1422         enum SelectionOp {
1423                 CreateSelection,
1424                 SelectionStartTrim,
1425                 SelectionEndTrim,
1426                 SelectionMove
1427         } selection_op;
1428
1429         void start_selection_op (GnomeCanvasItem* item, GdkEvent* event, SelectionOp);
1430         void drag_selection (GnomeCanvasItem* item, GdkEvent* event);
1431         void end_selection_op (GnomeCanvasItem* item, GdkEvent* event);
1432         void cancel_selection ();
1433
1434         void region_selection_op (void (ARDOUR::Region::*pmf)(void));
1435         void region_selection_op (void (ARDOUR::Region::*pmf)(void*), void*);
1436         void region_selection_op (void (ARDOUR::Region::*pmf)(bool), bool);
1437
1438         bool audio_region_selection_covers (jack_nframes_t where);
1439
1440         Gtk::VPaned  route_group_vpane;
1441         Gtk::Frame   route_list_frame;
1442         Gtk::Frame   edit_group_list_frame;
1443
1444         /* transport range select process */
1445         enum RangeMarkerOp {
1446                 CreateRangeMarker,
1447                 CreateTransportMarker
1448         } range_marker_op;
1449
1450         void start_range_markerbar_op (GnomeCanvasItem* item, GdkEvent* event, RangeMarkerOp);
1451         void drag_range_markerbar_op (GnomeCanvasItem* item, GdkEvent* event);
1452         void end_range_markerbar_op (GnomeCanvasItem* item, GdkEvent* event);
1453
1454
1455         GnomeCanvasItem      *range_bar_drag_rect;
1456         GnomeCanvasItem      *transport_bar_drag_rect;
1457         GnomeCanvasItem      *marker_drag_line;
1458         GnomeCanvasPoints    *marker_drag_line_points;
1459         GnomeCanvasItem      *range_marker_drag_rect;
1460
1461         void update_marker_drag_item (ARDOUR::Location *);
1462
1463         GnomeCanvasItem      *transport_bar_range_rect;
1464         GnomeCanvasItem      *transport_bar_preroll_rect;
1465         GnomeCanvasItem      *transport_bar_postroll_rect;
1466         GnomeCanvasItem      *transport_loop_range_rect;
1467         GnomeCanvasItem      *transport_punch_range_rect;
1468         GnomeCanvasItem      *transport_punchin_line;
1469         GnomeCanvasItem      *transport_punchout_line;
1470         GnomeCanvasItem      *transport_preroll_rect;
1471         GnomeCanvasItem      *transport_postroll_rect;
1472
1473         ARDOUR::Location*  transport_loop_location();
1474         ARDOUR::Location*  transport_punch_location();
1475
1476         ARDOUR::Location   *temp_location;
1477
1478         /* object rubberband select process */
1479
1480         void start_rubberband_select (GnomeCanvasItem* item, GdkEvent* event);
1481         void drag_rubberband_select (GnomeCanvasItem* item, GdkEvent* event);
1482         void end_rubberband_select (GnomeCanvasItem* item, GdkEvent* event);
1483
1484         bool select_all_within (jack_nframes_t start, jack_nframes_t end, gdouble topy, gdouble boty, bool add);
1485
1486         GnomeCanvasItem   *rubberband_rect;
1487
1488         /* mouse zoom process */
1489
1490         void start_mouse_zoom (GnomeCanvasItem* item, GdkEvent* event);
1491         void drag_mouse_zoom (GnomeCanvasItem* item, GdkEvent* event);
1492         void end_mouse_zoom (GnomeCanvasItem* item, GdkEvent* event);
1493
1494         GnomeCanvasItem   *zoom_rect;
1495         void reposition_zoom_rect (jack_nframes_t start, jack_nframes_t end);
1496
1497         /* diskstream/route display management */
1498
1499         Gtk::TreeView          route_list;
1500         Gtk::ScrolledWindow route_list_scroller;
1501         Gtk::Menu          *route_list_menu;
1502
1503         void route_list_column_click (gint);
1504         void build_route_list_menu ();
1505         void select_all_routes ();
1506         void unselect_all_routes ();
1507         void select_all_audiotracks ();
1508         void unselect_all_audiotracks ();
1509         void select_all_audiobus ();
1510         void unselect_all_audiobus ();
1511
1512         /* edit group management */
1513
1514         Gtk::Button         edit_group_list_button;
1515         Gtk::Label          edit_group_list_button_label;
1516         Gtk::TreeView       edit_group_list;
1517         Gtk::ScrolledWindow edit_group_list_scroller;
1518         Gtk::Menu          *edit_group_list_menu;
1519         Gtk::VBox           edit_group_vbox;
1520
1521
1522         void edit_group_list_column_click (gint);
1523         void build_edit_group_list_menu ();
1524         void select_all_edit_groups ();
1525         void unselect_all_edit_groups ();
1526         void new_edit_group ();
1527         void edit_group_list_button_clicked ();
1528         gint edit_group_list_button_press_event (GdkEventButton* ev);
1529         void edit_group_selected (gint row, gint col, GdkEvent* ev);
1530         void edit_group_unselected (gint row, gint col, GdkEvent* ev);
1531         void fake_add_edit_group (ARDOUR::RouteGroup* group);
1532         void add_edit_group (ARDOUR::RouteGroup* group);
1533         void group_flags_changed (void*, ARDOUR::RouteGroup*);
1534
1535         Gtk::VBox           list_vpacker;
1536
1537         static GdkPixmap* check_pixmap;
1538         static GdkBitmap* check_mask;
1539         static GdkPixmap* empty_pixmap;
1540         static GdkBitmap* empty_mask;
1541
1542         /* autoscrolling */
1543
1544         int autoscroll_timeout_tag;
1545         int autoscroll_direction;
1546         uint32_t autoscroll_cnt;
1547         jack_nframes_t autoscroll_distance;
1548
1549         static gint _autoscroll_canvas (void *);
1550         gint autoscroll_canvas ();
1551         void start_canvas_autoscroll (int direction);
1552         void stop_canvas_autoscroll ();
1553         void maybe_autoscroll (GdkEvent*);
1554
1555         /* trimming */
1556         enum TrimOp {
1557                 StartTrim,
1558                 EndTrim,
1559                 ContentsTrim,
1560         } trim_op;
1561
1562         void start_trim (GnomeCanvasItem*, GdkEvent*);
1563         void point_trim (GdkEvent*);
1564         void trim_motion_callback (GnomeCanvasItem*, GdkEvent*);
1565         void single_contents_trim (AudioRegionView&, jack_nframes_t, bool, bool, bool);
1566         void single_start_trim (AudioRegionView&, jack_nframes_t, bool, bool);
1567         void single_end_trim (AudioRegionView&, jack_nframes_t, bool, bool);
1568
1569         void trim_finished_callback (GnomeCanvasItem*, GdkEvent*);
1570         void thaw_region_after_trim (AudioRegionView& rv);
1571
1572         void trim_region_to_edit_cursor ();
1573         void trim_region_from_edit_cursor ();
1574
1575         bool show_gain_after_trim;
1576
1577         /* Drag-n-Drop */
1578
1579         int convert_drop_to_paths (std::vector<std::string>& paths,
1580                                    GdkDragContext     *context,
1581                                    gint                x,
1582                                    gint                y,
1583                                    GtkSelectionData   *data,
1584                                    guint               info,
1585                                    guint               time);
1586
1587         void  track_canvas_drag_data_received  (GdkDragContext     *context,
1588                                                 gint                x,
1589                                                 gint                y,
1590                                                 GtkSelectionData   *data,
1591                                                 guint               info,
1592                                                 guint               time);
1593
1594         void  region_list_display_drag_data_received  (GdkDragContext     *context,
1595                                                        gint                x,
1596                                                        gint                y,
1597                                                        GtkSelectionData   *data,
1598                                                        guint               info,
1599                                                        guint               time);
1600
1601         /* audio export */
1602
1603         ExportDialog *export_dialog;
1604         void export_range (jack_nframes_t start, jack_nframes_t end);
1605
1606         int write_region_selection(AudioRegionSelection&);
1607         bool write_region (string path, ARDOUR::AudioRegion&);
1608         void export_region ();
1609         void write_a_region ();
1610         void bounce_region_selection ();
1611         void bounce_range_selection ();
1612         void external_edit_region ();
1613
1614         int write_audio_selection (TimeSelection&);
1615         bool write_audio_range (ARDOUR::Playlist&, uint32_t channels, list<ARDOUR::AudioRange>&);
1616
1617         void write_selection ();
1618
1619         /* history */
1620
1621         UndoAction get_memento() const;
1622
1623         void begin_reversible_command (string cmd_name);
1624         void commit_reversible_command ();
1625
1626         /* visual history */
1627
1628         UndoHistory visual_history;
1629         UndoCommand current_visual_command;
1630
1631         void begin_reversible_visual_command (string cmd_name);
1632         void commit_reversible_visual_command ();
1633
1634         void update_title ();
1635         void update_title_s (string snapshot_name);
1636
1637         struct State {
1638             Selection* selection;
1639             double     frames_per_unit;
1640
1641             State();
1642             ~State();
1643         };
1644
1645         void store_state (State&) const;
1646         void restore_state (State *);
1647
1648         void instant_save ();
1649
1650         ARDOUR::AudioRegion* last_audition_region;
1651
1652         /* freeze operations */
1653
1654         ARDOUR::InterThreadInfo freeze_status;
1655         gint freeze_progress_timeout (void *);
1656         static void* _freeze_thread (void*);
1657         void* freeze_thread ();
1658
1659         void freeze_route ();
1660         void unfreeze_route ();
1661
1662         /* edit-group solo + mute */
1663
1664         void set_edit_group_solo (ARDOUR::Route&, bool);
1665         void set_edit_group_mute (ARDOUR::Route&, bool);
1666
1667         /* duplication */
1668
1669         void duplicate_dialog (bool for_region);
1670
1671         /* edit menu */
1672
1673         Gtk::Menu* edit_menu;
1674         void edit_menu_map_handler ();
1675
1676         jack_nframes_t event_frame (GdkEvent*, double* px = 0, double* py = 0);
1677
1678         void time_fx_motion (GnomeCanvasItem*, GdkEvent*);
1679         void start_time_fx (GnomeCanvasItem*, GdkEvent*);
1680         void end_time_fx (GnomeCanvasItem*, GdkEvent*);
1681
1682         struct TimeStretchDialog : public ArdourDialog {
1683             ARDOUR::Session::TimeStretchRequest request;
1684             Editor&               editor;
1685             AudioRegionSelection  regions;
1686             Gtk::ProgressBar      progress_bar;
1687             Gtk::ToggleButton     quick_button;
1688             Gtk::ToggleButton     antialias_button;
1689             Gtk::Button           cancel_button;
1690             Gtk::Button           action_button;
1691             Gtk::HBox             lower_button_box;
1692             Gtk::HBox             upper_button_box;
1693             Gtk::VBox             packer;
1694             int                   status;
1695
1696             TimeStretchDialog (Editor& e);
1697
1698             gint update_progress ();
1699             sigc::connection first_cancel;
1700             sigc::connection first_delete;
1701             void cancel_timestretch_in_progress ();
1702             gint delete_timestretch_in_progress (GdkEventAny*);
1703         };
1704
1705         /* "whats mine is yours" */
1706
1707         friend class TimeStretchDialog;
1708
1709         TimeStretchDialog* current_timestretch;
1710
1711         static void* timestretch_thread (void *arg);
1712         int run_timestretch (AudioRegionSelection&, float fraction);
1713         void do_timestretch (TimeStretchDialog&);
1714
1715         /* editor-mixer strip */
1716
1717         MixerStrip *current_mixer_strip;
1718         Gtk::VBox current_mixer_strip_vbox;
1719         void cms_deleted ();
1720         void current_mixer_strip_hidden ();
1721         void current_mixer_strip_removed ();
1722
1723         void detach_tearoff (Gtk::Box* b, Gtk::Widget* w);
1724         void reattach_tearoff (Gtk::Box* b, Gtk::Widget* w, int32_t n);
1725
1726         /* nudging tracks */
1727
1728         void nudge_track (bool use_edit_cursor, bool forwards);
1729
1730         /* xfades */
1731
1732         bool _xfade_visibility;
1733
1734         /* <CMT Additions> */
1735         void handle_new_imageframe_time_axis_view(std::string track_name, void* src) ;
1736         void handle_new_imageframe_marker_time_axis_view(std::string track_name, TimeAxisView* marked_track) ;
1737
1738         void start_imageframe_grab(GnomeCanvasItem*, GdkEvent*) ;
1739         void start_markerview_grab(GnomeCanvasItem*, GdkEvent*) ;
1740
1741         void imageframe_drag_motion_callback(GnomeCanvasItem*, GdkEvent*) ;
1742         void markerview_drag_motion_callback(GnomeCanvasItem*, GdkEvent*) ;
1743         void timeaxis_item_drag_finished_callback(GnomeCanvasItem*, GdkEvent*) ;
1744
1745         gint canvas_imageframe_item_view_event(GnomeCanvasItem* item, GdkEvent* event, ImageFrameView* ifv);
1746         gint canvas_imageframe_view_event(GnomeCanvasItem* item, GdkEvent* event, ImageFrameTimeAxis* ifta);
1747         gint canvas_imageframe_start_handle_event(GnomeCanvasItem* item, GdkEvent* event, ImageFrameView* ifv);
1748         gint canvas_imageframe_end_handle_event(GnomeCanvasItem* item, GdkEvent* event, ImageFrameView* ifv);
1749
1750         gint canvas_marker_time_axis_view_event(GnomeCanvasItem* item, GdkEvent* event, MarkerTimeAxis* mta);
1751         gint canvas_markerview_item_view_event(GnomeCanvasItem* item, GdkEvent* event, MarkerView* mv);
1752         gint canvas_markerview_start_handle_event(GnomeCanvasItem* item, GdkEvent* event, MarkerView* mv);
1753         gint canvas_markerview_end_handle_event(GnomeCanvasItem* item, GdkEvent* event, MarkerView* mv);
1754
1755         void imageframe_start_handle_op(GnomeCanvasItem* item, GdkEvent* event) ;
1756         void imageframe_end_handle_op(GnomeCanvasItem* item, GdkEvent* event) ;
1757         void imageframe_start_handle_trim_motion(GnomeCanvasItem* item, GdkEvent* event) ;
1758         void imageframe_start_handle_end_trim(GnomeCanvasItem* item, GdkEvent* event) ;
1759         void imageframe_end_handle_trim_motion(GnomeCanvasItem* item, GdkEvent* event) ;
1760         void imageframe_end_handle_end_trim(GnomeCanvasItem* item, GdkEvent* event) ;
1761
1762         void markerview_item_start_handle_op(GnomeCanvasItem* item, GdkEvent* event) ;
1763         void markerview_item_end_handle_op(GnomeCanvasItem* item, GdkEvent* event) ;
1764         void markerview_start_handle_trim_motion(GnomeCanvasItem* item, GdkEvent* event) ;
1765         void markerview_start_handle_end_trim(GnomeCanvasItem* item, GdkEvent* event) ;
1766         void markerview_end_handle_trim_motion(GnomeCanvasItem* item, GdkEvent* event) ;
1767         void markerview_end_handle_end_trim(GnomeCanvasItem* item, GdkEvent* event) ;
1768
1769         void popup_imageframe_edit_menu(int button, int32_t time, GnomeCanvasItem* ifv, bool with_frame) ;
1770         void popup_marker_time_axis_edit_menu(int button, int32_t time, GnomeCanvasItem* ifv, bool with_frame) ;
1771
1772         ImageFrameSocketHandler* image_socket_listener ;
1773         /* </CMT Additions> */
1774
1775         void toggle_xfade_active (ARDOUR::Crossfade*);
1776         void toggle_xfade_length (ARDOUR::Crossfade*);
1777         void edit_xfade (ARDOUR::Crossfade*);
1778         void remove_xfade ();
1779         void xfade_edit_left_region ();
1780         void xfade_edit_right_region ();
1781
1782         static const int32_t default_width = 995;
1783         static const int32_t default_height = 765;
1784
1785         /* nudge */
1786
1787         Gtk::Button      nudge_forward_button;
1788         Gtk::Button      nudge_backward_button;
1789         Gtk::HBox        nudge_hbox;
1790         Gtk::VBox        nudge_vbox;
1791         Gtk::Label       nudge_label;
1792         AudioClock       nudge_clock;
1793
1794         jack_nframes_t get_nudge_distance (jack_nframes_t pos, jack_nframes_t& next);
1795
1796         /* audio filters */
1797
1798         void apply_filter (ARDOUR::AudioFilter&, string cmd);
1799
1800         /* handling cleanup */
1801
1802         int playlist_deletion_dialog (ARDOUR::Playlist*);
1803
1804         vector<sigc::connection> session_connections;
1805
1806         /* tracking step changes of track height */
1807
1808         TimeAxisView* current_stepping_trackview;
1809         struct timeval last_track_height_step_timestamp;
1810         gint track_height_step_timeout();
1811         sigc::connection step_timeout;
1812
1813         TimeAxisView* entered_track;
1814         AudioRegionView* entered_regionview;
1815         bool clear_entered_track;
1816         gint left_track_canvas (GdkEventCrossing*);
1817         void set_entered_track (TimeAxisView*);
1818         void set_entered_regionview (AudioRegionView*);
1819         gint left_automation_track ();
1820
1821         bool _new_regionviews_show_envelope;
1822
1823         void toggle_gain_envelope_visibility ();
1824         void toggle_gain_envelope_active ();
1825
1826         typedef std::map<Editing::ColorID,std::string> ColorStyleMap;
1827         void init_colormap ();
1828
1829         /* GTK2 stuff */
1830
1831         Glib::RefPtr<Gtk::UIManager> ui_manager;
1832 };
1833
1834 #endif /* __ardour_editor_h__ */