got ardour_dialog compiling
[ardour.git] / 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         /* public access to auditioning */
151
152         bool consider_auditioning (ARDOUR::AudioRegion*);
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 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         Gtk::CTree          region_list_display;
716         Gtk::CTree_Helpers::RowList::iterator region_list_hidden_node;
717         Gtk::Menu          *region_list_menu;
718         vector<Gtk::MenuItem*> rl_context_menu_region_items;
719         Gtk::ScrolledWindow region_list_scroller;
720         Gtk::Frame          region_list_frame;
721
722         gint region_list_display_key_press (GdkEventKey *);
723         gint region_list_display_key_release (GdkEventKey *);
724         gint region_list_display_button_press (GdkEventButton *);
725         gint region_list_display_button_release (GdkEventButton *);
726         gint region_list_display_enter_notify (GdkEventCrossing *);
727         gint region_list_display_leave_notify (GdkEventCrossing *);
728         void region_list_display_selected (gint row, gint col, GdkEvent* ev);
729         void region_list_display_unselected (gint row, gint col, GdkEvent* ev);
730         void region_list_column_click (gint);
731         void region_list_clear ();
732         void build_region_list_menu ();
733
734         Gtk::CheckMenuItem* toggle_auto_regions_item;
735         Gtk::CheckMenuItem* toggle_full_region_list_item;
736
737         Gtk::MenuItem* import_audio_item;
738         Gtk::MenuItem* embed_audio_item;
739
740         bool show_automatic_regions_in_region_list;
741         Editing::RegionListSortType region_list_sort_type;
742
743         void reset_region_list_sort_direction (bool);
744         void reset_region_list_sort_type (Editing::RegionListSortType);
745
746         void toggle_full_region_list ();
747         void toggle_show_auto_regions ();
748
749         static gint _region_list_sorter (GtkCList*, gconstpointer, gconstpointer);
750         gint region_list_sorter (gconstpointer, gconstpointer);
751
752         /* named selections */
753
754         Gtk::VPaned         region_selection_vpane;
755         Gtk::CList          named_selection_display;
756         Gtk::ScrolledWindow named_selection_scroller;
757
758         void name_selection();
759         void named_selection_name_chosen ();
760         void create_named_selection (string);
761         void paste_named_selection (float times);
762
763         void handle_new_named_selection ();
764         void add_named_selection_to_named_selection_display (ARDOUR::NamedSelection&);
765         void redisplay_named_selections ();
766
767         gint named_selection_display_button_press (GdkEventButton *ev);
768         void named_selection_display_selected (gint row, gint col, GdkEvent *ev);
769         void named_selection_display_unselected (gint row, gint col, GdkEvent *ev);
770
771         /* track views */
772         int track_spacing;
773         TrackViewList  track_views;
774         TimeAxisView     *trackview_by_y_position (double ypos);
775
776         static GdkCursor* cross_hair_cursor;
777         static GdkCursor* trimmer_cursor;
778         static GdkCursor* selector_cursor;
779         static GdkCursor* grabber_cursor;
780         static GdkCursor* zoom_cursor;
781         static GdkCursor* time_fx_cursor;
782         static GdkCursor* fader_cursor;
783         static GdkCursor* speaker_cursor;
784         static GdkCursor* null_cursor;
785         static GdkCursor* wait_cursor;
786         static GdkCursor* timebar_cursor;
787
788         static void build_cursors ();
789
790         sigc::connection scroll_connection;
791         jack_nframes_t last_update_frame;
792         void center_screen (jack_nframes_t);
793         void center_screen_internal (jack_nframes_t, float);
794         
795         void update_current_screen ();
796         sigc::connection slower_update_connection;
797         void update_slower ();
798         
799         gint show_track_context_menu (GdkEventButton *);
800         void hide_track_context_menu ();
801
802         void session_going_away ();
803
804         jack_nframes_t cut_buffer_start;
805         jack_nframes_t cut_buffer_length;
806
807         gint typed_event (GnomeCanvasItem*, GdkEvent*, ItemType);
808         gint button_press_handler (GnomeCanvasItem*, GdkEvent*, ItemType);
809         gint button_release_handler (GnomeCanvasItem*, GdkEvent*, ItemType);
810         gint motion_handler (GnomeCanvasItem*, GdkEvent*, ItemType);
811         gint enter_handler (GnomeCanvasItem*, GdkEvent*, ItemType);
812         gint leave_handler (GnomeCanvasItem*, GdkEvent*, ItemType);
813         
814         /* KEYMAP HANDLING */
815
816         void install_keybindings ();
817
818         int ensure_cursor (jack_nframes_t* pos);
819
820         void fake_handle_new_audio_region (ARDOUR::AudioRegion *);
821         void handle_new_audio_region (ARDOUR::AudioRegion *);
822         void fake_handle_audio_region_removed (ARDOUR::AudioRegion *);
823         void handle_audio_region_removed (ARDOUR::AudioRegion *);
824         void add_audio_region_to_region_display (ARDOUR::AudioRegion *);
825         void region_hidden (ARDOUR::Region*);
826         void redisplay_regions ();
827         void insert_into_tmp_audio_regionlist(ARDOUR::AudioRegion *);
828
829         list<ARDOUR::AudioRegion *> tmp_audio_region_list;
830
831         void cut_copy (Editing::CutCopyOp);
832         void cut_copy_points (Editing::CutCopyOp);
833         void cut_copy_regions (Editing::CutCopyOp);
834         void cut_copy_ranges (Editing::CutCopyOp);
835
836         void mouse_paste ();
837         void paste_internal (jack_nframes_t position, float times);
838
839         /* EDITING OPERATIONS */
840         
841         void toggle_region_mute ();
842         void toggle_region_opaque ();
843         void raise_region ();
844         void raise_region_to_top ();
845         void lower_region ();
846         void lower_region_to_bottom ();
847         void split_region ();
848         void split_region_at (jack_nframes_t);
849         void split_regions_at (jack_nframes_t, AudioRegionSelection&);
850         void crop_region_to_selection ();
851         void set_region_sync_from_edit_cursor ();
852         void remove_region_sync();
853         void align_selection (ARDOUR::RegionPoint, jack_nframes_t position);
854         void align_selection_relative (ARDOUR::RegionPoint point, jack_nframes_t position);
855         void align_region (ARDOUR::Region&, ARDOUR::RegionPoint point, jack_nframes_t position);
856         void align_region_internal (ARDOUR::Region&, ARDOUR::RegionPoint point, jack_nframes_t position);
857         void remove_some_regions ();
858         void remove_clicked_region ();
859         void destroy_clicked_region ();
860         void edit_region ();
861         void duplicate_some_regions (AudioRegionSelection&, float times);
862         void duplicate_selection (float times);
863         void region_fill_selection ();
864
865         void region_fill_track ();
866         void audition_playlist_region_standalone (ARDOUR::AudioRegion&);
867         void audition_playlist_region_via_route (ARDOUR::AudioRegion&, ARDOUR::Route&);
868         void split_multichannel_region();
869         void reverse_region ();
870         void normalize_region ();
871         void denormalize_region ();
872
873         ARDOUR::Region* region_list_button_region;
874         void audition_region_from_region_list ();
875         void remove_region_from_region_list ();
876         void hide_region_from_region_list ();
877         void remove_selected_regions_from_region_list ();
878
879         void align (ARDOUR::RegionPoint);
880         void align_relative (ARDOUR::RegionPoint);
881         void naturalize ();
882
883         void cut ();
884         void copy ();
885         void paste (float times);
886
887         int  get_prefix (float&, bool&);
888
889         void keyboard_paste ();
890         void keyboard_duplicate_region ();
891         void keyboard_duplicate_selection ();
892         void keyboard_nudge ();
893         void keyboard_insert_region_list_selection ();
894
895         void region_from_selection ();
896         void create_region_from_selection (std::vector<ARDOUR::AudioRegion*>&);
897
898         bool region_renamed;
899         void rename_region ();
900         void rename_region_finished (bool);
901
902         void play_from_start ();
903         void play_from_edit_cursor ();
904         void play_selected_region ();
905         void audition_selected_region ();
906         void toggle_loop_playback ();
907         void loop_selected_region ();
908         void play_location (ARDOUR::Location&);
909         void loop_location (ARDOUR::Location&);
910
911         Editing::ZoomFocus zoom_focus;
912
913         void temporal_zoom_selection ();
914         void temporal_zoom_session ();
915         void temporal_zoom (gdouble scale);
916         void temporal_zoom_by_frame (jack_nframes_t start, jack_nframes_t end, string op);
917         void temporal_zoom_to_frame (bool coarser, jack_nframes_t frame);
918
919         void amplitude_zoom (gdouble scale);
920         void amplitude_zoom_step (bool in);
921
922         ARDOUR::AudioRegion* region_list_display_drag_region;
923         char                 need_wave_cursor;
924         gint                 region_list_display_motion (GdkEventMotion*);
925
926         void insert_region_list_drag (ARDOUR::AudioRegion&);
927         void insert_region_list_selection (float times);
928
929         void insert_sndfile (bool as_tracks);
930         void embed_audio ();    // inserts into region list
931         int  reject_because_rate_differs (string path, SF_INFO& finfo, string action, bool multiple_pending);
932
933         void do_embed_sndfiles (vector<string> paths, bool split);
934         void embed_sndfile (string path, bool split, bool multiple_files, bool& check_sr);
935
936         void do_insert_sndfile (vector<string> path, bool multi, jack_nframes_t frame);
937         void insert_paths_as_new_tracks (std::vector<std::string> paths, bool multi); // inserts files as new tracks
938         void insert_sndfile_into (string path, bool multi, AudioTimeAxisView* tv, jack_nframes_t& frame, bool prompt=true);
939         static void* _insert_sndfile_thread (void*);
940         void*  insert_sndfile_thread (void*);
941
942         /* generic interthread progress window */
943         
944         ArdourDialog* interthread_progress_window;
945         Gtk::Label interthread_progress_label;
946         Gtk::VBox interthread_progress_vbox;
947         Gtk::ProgressBar interthread_progress_bar;
948         Gtk::Button interthread_cancel_button;
949         Gtk::Label interthread_cancel_label;
950         sigc::connection  interthread_progress_connection;
951         void interthread_cancel_clicked ();
952         void build_interthread_progress_window ();
953         ARDOUR::InterThreadInfo* current_interthread_info;
954
955         /* import specific info */
956
957         ARDOUR::Session::import_status import_status;
958         gint import_progress_timeout (void *);
959         static void *_import_thread (void *);
960         void* import_thread ();
961         void catch_new_audio_region (ARDOUR::AudioRegion*);
962         ARDOUR::AudioRegion* last_audio_region;
963
964         /* to support this ... */
965
966         void import_audio (bool as_tracks);
967         void do_import (vector<string> paths, bool split, bool as_tracks);
968
969         void move_to_start ();
970         void move_to_end ();
971         void goto_frame ();
972         void center_playhead ();
973         void center_edit_cursor ();
974         void edit_cursor_backward ();
975         void edit_cursor_forward ();
976         void playhead_backward ();
977         void playhead_forward ();
978         void scroll_backward (float pages=0.8f);
979         void scroll_forward (float pages=0.8f);
980         void scroll_tracks_down ();
981         void scroll_tracks_up ();
982         void delete_sample_forward ();
983         void delete_sample_backward ();
984         void delete_screen ();
985         void search_backwards ();
986         void search_forwards ();
987         void set_mark ();
988         void clear_markers ();
989         void clear_ranges ();
990         void clear_locations ();
991         void jump_forward_to_mark ();
992         void jump_backward_to_mark ();
993         void cursor_align (bool playhead_to_edit);
994
995         void remove_last_capture ();
996
997         void set_selection_from_range (ARDOUR::Location&);
998         void set_selection_from_punch ();
999         void set_selection_from_loop ();
1000
1001         void add_location_from_selection ();
1002         void set_route_loop_selection ();
1003
1004         void add_location_from_playhead_cursor ();
1005
1006         void reverse_selection ();
1007         void edit_envelope ();
1008
1009         void start_scrolling ();
1010         void stop_scrolling ();
1011
1012         void keyboard_selection_begin ();
1013         void keyboard_selection_finish (bool add);
1014         bool have_pending_keyboard_selection;
1015         jack_nframes_t pending_keyboard_selection_start;
1016
1017         ARDOUR::AudioRegion* select_region_for_operation (int dir, TimeAxisView **tv);
1018         void extend_selection_to_end_of_region (bool next);
1019         void extend_selection_to_start_of_region (bool previous);
1020
1021         Editing::SnapType snap_type;
1022         Editing::SnapMode snap_mode;
1023         double snap_threshold;
1024
1025         void soundfile_chosen_for_insert (string selection, bool split_channels);
1026         void soundfile_chosen_for_embed (string selection, bool split_channels);
1027         void soundfile_chosen_for_import (string selection, bool split_channels);
1028
1029         void handle_gui_changes (string, void *);
1030
1031         void    hide_all_tracks (bool with_select);
1032
1033         void route_list_selected (gint row, gint col, GdkEvent* ev);
1034         void route_list_unselected (gint row, gint col, GdkEvent* ev);
1035         void redisplay_route_list();
1036         gint route_list_reordered ();
1037         bool ignore_route_list_reorder;
1038         void queue_route_list_reordered (gint row, gint col);
1039
1040         struct DragInfo {
1041             GnomeCanvasItem* item;
1042             void* data;
1043             jack_nframes_t last_frame_position;
1044             int32_t pointer_frame_offset;
1045             jack_nframes_t grab_frame;
1046             jack_nframes_t last_pointer_frame;
1047             jack_nframes_t current_pointer_frame;
1048             double grab_x, grab_y;
1049             double cumulative_x_drag;
1050             double cumulative_y_drag;
1051             double current_pointer_x;
1052             double current_pointer_y;
1053             void (Editor::*motion_callback)(GnomeCanvasItem*, GdkEvent*);
1054             void (Editor::*finished_callback)(GnomeCanvasItem*, GdkEvent*);
1055             TimeAxisView* last_trackview;
1056             bool x_constrained;
1057             bool copy;
1058             bool was_rolling;
1059             bool first_move;
1060             bool move_threshold_passsed;
1061             bool want_move_threshold;
1062             bool brushing;
1063             ARDOUR::Location* copied_location;
1064         } drag_info;
1065
1066         struct LineDragInfo {
1067             uint32_t before;
1068             uint32_t after;
1069         };
1070
1071         LineDragInfo current_line_drag_info;
1072
1073         void start_grab (GdkEvent*, GdkCursor* cursor = 0);
1074         bool end_grab (GnomeCanvasItem*, GdkEvent*);
1075
1076         Gtk::Menu fade_context_menu;
1077         void popup_fade_context_menu (int, int, GnomeCanvasItem*, ItemType);
1078
1079         void start_fade_in_grab (GnomeCanvasItem*, GdkEvent*);
1080         void start_fade_out_grab (GnomeCanvasItem*, GdkEvent*);
1081         void fade_in_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
1082         void fade_out_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
1083         void fade_in_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
1084         void fade_out_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
1085         
1086         std::set<ARDOUR::Playlist*> motion_frozen_playlists;
1087         void region_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
1088         void region_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
1089         void region_copy_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
1090
1091         void cursor_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
1092         void cursor_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
1093         void marker_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
1094         void marker_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
1095         void control_point_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
1096         void control_point_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
1097         void line_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
1098         void line_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
1099
1100         void tempo_marker_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
1101         void tempo_marker_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
1102         void meter_marker_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
1103         void meter_marker_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
1104
1105         gint mouse_rename_region (GnomeCanvasItem*, GdkEvent*);
1106
1107         void start_region_grab (GnomeCanvasItem*, GdkEvent*);
1108         void start_region_copy_grab (GnomeCanvasItem*, GdkEvent*);
1109         void start_region_brush_grab (GnomeCanvasItem*, GdkEvent*);
1110         void start_selection_grab (GnomeCanvasItem*, GdkEvent*);
1111         void start_cursor_grab (GnomeCanvasItem*, GdkEvent*);
1112         void start_marker_grab (GnomeCanvasItem*, GdkEvent*);
1113         void start_control_point_grab (GnomeCanvasItem*, GdkEvent*);
1114         void start_line_grab_from_regionview (GnomeCanvasItem*, GdkEvent*);
1115         void start_line_grab_from_line (GnomeCanvasItem*, GdkEvent*);
1116         void start_line_grab (AutomationLine *, GdkEvent*);
1117         void start_tempo_marker_grab (GnomeCanvasItem*, GdkEvent*);
1118         void start_meter_marker_grab (GnomeCanvasItem*, GdkEvent*);
1119
1120         void region_view_item_click (AudioRegionView&, GdkEventButton*);
1121
1122         void remove_gain_control_point (GnomeCanvasItem*, GdkEvent*);
1123         void remove_control_point (GnomeCanvasItem*, GdkEvent*);
1124
1125         void mouse_brush_insert_region (AudioRegionView*, jack_nframes_t pos);
1126         void brush (jack_nframes_t);
1127
1128         void show_verbose_time_cursor (jack_nframes_t frame, double offset = 0, double xpos=-1, double ypos=-1);
1129         void show_verbose_duration_cursor (jack_nframes_t start, jack_nframes_t end, double offset = 0, double xpos=-1, double ypos=-1);
1130
1131         /* static versions of these are public in PublicEditor */
1132         
1133         gint _canvas_crossfade_view_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1134         gint _canvas_fade_in_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1135         gint _canvas_fade_in_handle_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1136         gint _canvas_fade_out_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1137         gint _canvas_fade_out_handle_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1138         gint _canvas_region_view_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1139         gint _canvas_region_view_name_highlight_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1140         gint _canvas_region_view_name_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1141         gint _canvas_stream_view_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1142         gint _canvas_automation_track_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1143         gint _canvas_marker_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1144         gint _canvas_zoom_rect_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1145         gint _canvas_selection_rect_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1146         gint _canvas_selection_start_trim_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1147         gint _canvas_selection_end_trim_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1148         gint _canvas_control_point_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1149         gint _canvas_line_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1150         gint _canvas_tempo_marker_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1151         gint _canvas_meter_marker_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1152         gint _canvas_tempo_bar_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1153         gint _canvas_meter_bar_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1154         gint _canvas_marker_bar_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1155         gint _canvas_range_marker_bar_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1156         gint _canvas_transport_marker_bar_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1157         gint _canvas_imageframe_item_view_event(GnomeCanvasItem *item, GdkEvent* event, gpointer data) ;
1158         gint _canvas_imageframe_view_event(GnomeCanvasItem *item, GdkEvent* event, gpointer data) ;
1159         gint _canvas_imageframe_start_handle_event(GnomeCanvasItem* item, GdkEvent* event, gpointer data) ;
1160         gint _canvas_imageframe_end_handle_event(GnomeCanvasItem* item, GdkEvent* event, gpointer data) ;
1161         gint _canvas_marker_time_axis_view_event(GnomeCanvasItem* item, GdkEvent* event, gpointer data) ;
1162         gint _canvas_markerview_item_view_event(GnomeCanvasItem* item, GdkEvent* event, gpointer data) ;
1163         gint _canvas_markerview_start_handle_event(GnomeCanvasItem* item, GdkEvent* event, gpointer data) ;
1164         gint _canvas_markerview_end_handle_event(GnomeCanvasItem* item, GdkEvent* event, gpointer data) ;
1165
1166         /* now the real things */
1167
1168         gint canvas_crossfade_view_event (GnomeCanvasItem* item, GdkEvent* event, CrossfadeView*);
1169         gint canvas_fade_in_event (GnomeCanvasItem* item, GdkEvent* event, AudioRegionView*);
1170         gint canvas_fade_in_handle_event (GnomeCanvasItem* item, GdkEvent* event, AudioRegionView*);
1171         gint canvas_fade_out_event (GnomeCanvasItem* item, GdkEvent* event, AudioRegionView*);
1172         gint canvas_fade_out_handle_event (GnomeCanvasItem* item, GdkEvent* event, AudioRegionView*);
1173         gint canvas_region_view_event (GnomeCanvasItem* item, GdkEvent* event, AudioRegionView*);
1174         gint canvas_stream_view_event (GnomeCanvasItem* item, GdkEvent* event, AudioTimeAxisView*);
1175         gint canvas_automation_track_event (GnomeCanvasItem* item, GdkEvent* event, AutomationTimeAxisView*);
1176         gint canvas_marker_event (GnomeCanvasItem* item, GdkEvent* event);
1177         gint canvas_zoom_rect_event (GnomeCanvasItem* item, GdkEvent* event);
1178         gint canvas_selection_rect_event (GnomeCanvasItem* item, GdkEvent* event);
1179         gint canvas_selection_start_trim_event (GnomeCanvasItem* item, GdkEvent* event);
1180         gint canvas_selection_end_trim_event (GnomeCanvasItem* item, GdkEvent* event);
1181         gint canvas_control_point_event (GnomeCanvasItem* item, GdkEvent* event);
1182         gint canvas_line_event (GnomeCanvasItem* item, GdkEvent* event);
1183         gint canvas_tempo_marker_event (GnomeCanvasItem* item, GdkEvent* event);
1184         gint canvas_meter_marker_event (GnomeCanvasItem* item, GdkEvent* event);
1185         gint canvas_tempo_bar_event (GnomeCanvasItem* item, GdkEvent* event);
1186         gint canvas_meter_bar_event (GnomeCanvasItem* item, GdkEvent* event);
1187         gint canvas_marker_bar_event (GnomeCanvasItem* item, GdkEvent* event);
1188         gint canvas_range_marker_bar_event (GnomeCanvasItem* item, GdkEvent* event);
1189         gint canvas_transport_marker_bar_event (GnomeCanvasItem* item, GdkEvent* event);
1190         gint canvas_region_view_name_highlight_event (GnomeCanvasItem* item, GdkEvent* event);
1191         gint canvas_region_view_name_event (GnomeCanvasItem* item, GdkEvent* event);
1192
1193         /* these are not publically accessible, but we still need the static versions
1194            till we use Gnome::Canvas.
1195         */
1196         
1197         static gint _canvas_copy_region_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1198         gint canvas_copy_region_event (GnomeCanvasItem* item, GdkEvent* event);
1199
1200         static gint _canvas_playhead_cursor_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1201         gint canvas_playhead_cursor_event (GnomeCanvasItem* item, GdkEvent* event);
1202
1203         static gint _canvas_edit_cursor_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1204         gint canvas_edit_cursor_event (GnomeCanvasItem* item, GdkEvent* event);
1205         
1206         static gint _track_canvas_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1207         gint track_canvas_event (GnomeCanvasItem* item, GdkEvent* event);
1208
1209         gint track_canvas_button_press_event (GdkEventButton *);
1210         gint track_canvas_button_release_event (GdkEventButton *);
1211         
1212         void track_canvas_allocate (GtkAllocation* alloc);
1213         void time_canvas_allocate (GtkAllocation* alloc);
1214
1215         void set_edit_cursor (GdkEvent* event);
1216         void set_playhead_cursor (GdkEvent* event);
1217
1218         void kbd_driver (sigc::slot<void,GdkEvent*>, bool use_track_canvas = true, bool use_time_canvas = true, bool can_select = true);
1219         void kbd_set_playhead_cursor ();
1220         void kbd_set_edit_cursor ();
1221         void kbd_split ();
1222         void kbd_align (ARDOUR::RegionPoint);
1223         void kbd_align_relative (ARDOUR::RegionPoint);
1224         void kbd_brush ();
1225         void kbd_audition ();
1226
1227         void kbd_do_split (GdkEvent*);
1228         void kbd_do_align (GdkEvent*, ARDOUR::RegionPoint);
1229         void kbd_do_align_relative (GdkEvent*, ARDOUR::RegionPoint);
1230         void kbd_do_brush (GdkEvent*);
1231         void kbd_do_audition (GdkEvent*);
1232
1233         void fake_handle_new_duration ();
1234         void handle_new_duration ();
1235         void initialize_canvas ();
1236         void reset_scrolling_region (GtkAllocation* alloc = 0);
1237         void scroll_canvas ();
1238
1239         /* sub-event loop handling */
1240
1241         int32_t sub_event_loop_status;
1242         void run_sub_event_loop ();
1243         void finish_sub_event_loop (int status);
1244         gint finish_sub_event_loop_on_delete (GdkEventAny*, int32_t status);
1245         
1246         /* display control */
1247         
1248         bool _show_measures;
1249         bool _show_waveforms;
1250         bool _follow_playhead;
1251         bool _show_waveforms_recording;
1252         
1253         void add_bbt_marks (ARDOUR::TempoMap::BBTPointList&);
1254
1255         ARDOUR::TempoMap::BBTPointList *current_bbt_points;
1256         
1257         typedef vector<GnomeCanvasItem*> TimeLineList;
1258         TimeLineList free_measure_lines;
1259         TimeLineList used_measure_lines;
1260
1261         GnomeCanvasItem* time_line_group;
1262         GnomeCanvasItem* get_time_line ();
1263         void hide_measures ();
1264         void draw_measures ();
1265         void draw_time_bars ();
1266
1267         void new_tempo_section ();
1268
1269         void mouse_add_new_tempo_event (jack_nframes_t where);
1270         void mouse_add_new_meter_event (jack_nframes_t where);
1271
1272         void remove_tempo_marker (GnomeCanvasItem*);
1273         void remove_meter_marker (GnomeCanvasItem*);
1274         gint real_remove_tempo_marker (ARDOUR::TempoSection*);
1275         gint real_remove_meter_marker (ARDOUR::MeterSection*);
1276         
1277         void edit_tempo_section (ARDOUR::TempoSection*);
1278         void edit_meter_section (ARDOUR::MeterSection*);
1279         void edit_tempo_marker (GnomeCanvasItem*);
1280         void edit_meter_marker (GnomeCanvasItem*);
1281         
1282         void marker_menu_edit ();
1283         void marker_menu_remove ();
1284         void marker_menu_rename ();
1285         void marker_menu_hide ();
1286         void marker_menu_loop_range ();
1287         void marker_menu_play_from ();
1288         void marker_menu_set_playhead ();
1289         void marker_menu_set_from_playhead ();
1290         void marker_menu_set_from_selection ();
1291         void new_transport_marker_menu_set_loop ();
1292         void new_transport_marker_menu_set_punch ();
1293         void update_loop_range_view (bool visibility=false);
1294         void update_punch_range_view (bool visibility=false);
1295         gint new_transport_marker_menu_popdown (GdkEventAny*);
1296         void marker_context_menu (GdkEventButton*, GnomeCanvasItem*);
1297         void tm_marker_context_menu (GdkEventButton*, GnomeCanvasItem*);
1298         void transport_marker_context_menu (GdkEventButton*, GnomeCanvasItem*);
1299         void new_transport_marker_context_menu (GdkEventButton*, GnomeCanvasItem*);
1300         void build_marker_menu ();
1301         void build_tm_marker_menu ();
1302         void build_transport_marker_menu ();
1303         void build_new_transport_marker_menu ();
1304
1305         Gtk::Menu* tm_marker_menu;
1306         Gtk::Menu* marker_menu;
1307         Gtk::Menu* transport_marker_menu;
1308         Gtk::Menu* new_transport_marker_menu;
1309         GnomeCanvasItem* marker_menu_item;
1310
1311         typedef list<Marker*> Marks;
1312         Marks metric_marks;
1313
1314         void remove_metric_marks ();
1315         void draw_metric_marks (const ARDOUR::Metrics& metrics);
1316
1317         void tempo_map_changed (ARDOUR::Change);
1318         void redisplay_tempo ();
1319         
1320         void snap_to (jack_nframes_t& first, int32_t direction = 0, bool for_mark = false);
1321         uint32_t bbt_beat_subdivision;
1322
1323         /* toolbar */
1324         
1325         Gtk::ToggleButton        editor_mixer_button;
1326
1327         void editor_mixer_button_toggled ();
1328
1329         AudioClock               selection_start_clock;
1330         Gtk::Label               selection_start_clock_label;
1331         AudioClock               selection_end_clock;
1332         Gtk::Label               selection_end_clock_label;
1333         AudioClock               edit_cursor_clock;
1334         Gtk::Label               edit_cursor_clock_label;
1335         AudioClock               zoom_range_clock;
1336         Gtk::Button              zoom_in_button;
1337         Gtk::Button              zoom_out_button;
1338         Gtk::Button              zoom_out_full_button;
1339         Gtk::Button              zoom_onetoone_button;
1340
1341         Gtk::VBox                toolbar_clock_vbox;
1342         Gtk::VBox                toolbar_selection_clock_vbox; 
1343         Gtk::Table               toolbar_selection_clock_table;
1344         Gtk::Label               toolbar_selection_cursor_label;
1345         
1346         Gtk::Table               mouse_mode_button_table;
1347         Gtkmm2ext::TearOff*       mouse_mode_tearoff;
1348         Gtk::ToggleButton        mouse_select_button;
1349         Gtk::ToggleButton        mouse_move_button;
1350         Gtk::ToggleButton        mouse_gain_button;
1351         Gtk::ToggleButton        mouse_zoom_button;
1352         Gtk::ToggleButton        mouse_timefx_button;
1353         Gtk::ToggleButton        mouse_audition_button;
1354         GroupedButtons          *mouse_mode_button_set;
1355         void                     mouse_mode_toggled (Editing::MouseMode m);
1356         bool                     ignore_mouse_mode_toggle;
1357
1358         gint                     mouse_select_button_release (GdkEventButton*);
1359
1360         Gtk::VBox                automation_box;
1361         Gtk::Button              automation_mode_button;
1362         Gtk::ToggleButton        global_automation_button;
1363
1364         Gtk::ComboBoxText edit_mode_selector;
1365         Gtk::Label               edit_mode_label;
1366         Gtk::VBox                edit_mode_box;
1367
1368         gint edit_mode_selection_done (GdkEventAny*);
1369
1370         Gtk::ComboBoxText snap_type_selector;
1371         Gtk::Label               snap_type_label;
1372         Gtk::VBox                snap_type_box;
1373
1374         gint snap_type_selection_done (GdkEventAny*);
1375
1376         Gtk::ComboBoxText               snap_mode_selector;
1377         Gtk::Label               snap_mode_label;
1378         Gtk::VBox                snap_mode_box;
1379
1380         gint snap_mode_selection_done (GdkEventAny*);
1381
1382         Gtk::ComboBoxText zoom_focus_selector;
1383         Gtk::Label               zoom_focus_label;
1384         Gtk::VBox                zoom_focus_box;
1385         
1386         gint zoom_focus_selection_done (GdkEventAny*);
1387
1388         Gtk::Label          zoom_indicator_label;
1389         Gtk::HBox           zoom_indicator_box;
1390         Gtk::VBox           zoom_indicator_vbox;
1391
1392         void                update_zoom_indicator ();
1393         void                zoom_adjustment_changed();
1394
1395         void                edit_cursor_clock_changed();
1396         
1397         void setup_toolbar ();
1398
1399         Gtkmm2ext::TearOff*       tools_tearoff;
1400         Gtk::HBox                toolbar_hbox;
1401         Gtk::EventBox            toolbar_base;
1402         Gtk::Frame               toolbar_frame;
1403
1404         /* selection process */
1405
1406         Selection* selection;
1407         Selection* cut_buffer;
1408
1409         void time_selection_changed ();
1410         void track_selection_changed ();
1411         void region_selection_changed ();
1412         void point_selection_changed ();
1413         void audio_track_selection_changed ();
1414         void line_selection_changed ();
1415
1416         enum SelectionOp {
1417                 CreateSelection,
1418                 SelectionStartTrim,
1419                 SelectionEndTrim,
1420                 SelectionMove
1421         } selection_op;
1422
1423         void start_selection_op (GnomeCanvasItem* item, GdkEvent* event, SelectionOp);
1424         void drag_selection (GnomeCanvasItem* item, GdkEvent* event);
1425         void end_selection_op (GnomeCanvasItem* item, GdkEvent* event);
1426         void cancel_selection ();
1427
1428         void region_selection_op (void (ARDOUR::Region::*pmf)(void));
1429         void region_selection_op (void (ARDOUR::Region::*pmf)(void*), void*);
1430         void region_selection_op (void (ARDOUR::Region::*pmf)(bool), bool);
1431
1432         bool audio_region_selection_covers (jack_nframes_t where);
1433
1434         Gtk::VPaned  route_group_vpane;
1435         Gtk::Frame   route_list_frame;
1436         Gtk::Frame   edit_group_list_frame;
1437
1438         /* transport range select process */
1439         enum RangeMarkerOp {
1440                 CreateRangeMarker,
1441                 CreateTransportMarker
1442         } range_marker_op;
1443
1444         void start_range_markerbar_op (GnomeCanvasItem* item, GdkEvent* event, RangeMarkerOp);
1445         void drag_range_markerbar_op (GnomeCanvasItem* item, GdkEvent* event);
1446         void end_range_markerbar_op (GnomeCanvasItem* item, GdkEvent* event);
1447
1448         
1449         GnomeCanvasItem      *range_bar_drag_rect;
1450         GnomeCanvasItem      *transport_bar_drag_rect;
1451         GnomeCanvasItem      *marker_drag_line;
1452         GnomeCanvasPoints    *marker_drag_line_points;
1453         GnomeCanvasItem      *range_marker_drag_rect;
1454
1455         void update_marker_drag_item (ARDOUR::Location *);
1456         
1457         GnomeCanvasItem      *transport_bar_range_rect;
1458         GnomeCanvasItem      *transport_bar_preroll_rect;
1459         GnomeCanvasItem      *transport_bar_postroll_rect;
1460         GnomeCanvasItem      *transport_loop_range_rect;
1461         GnomeCanvasItem      *transport_punch_range_rect;
1462         GnomeCanvasItem      *transport_punchin_line;
1463         GnomeCanvasItem      *transport_punchout_line;
1464         GnomeCanvasItem      *transport_preroll_rect;
1465         GnomeCanvasItem      *transport_postroll_rect;
1466
1467         ARDOUR::Location*  transport_loop_location();
1468         ARDOUR::Location*  transport_punch_location();
1469
1470         ARDOUR::Location   *temp_location;
1471         
1472         /* object rubberband select process */
1473         
1474         void start_rubberband_select (GnomeCanvasItem* item, GdkEvent* event);
1475         void drag_rubberband_select (GnomeCanvasItem* item, GdkEvent* event);
1476         void end_rubberband_select (GnomeCanvasItem* item, GdkEvent* event);
1477
1478         bool select_all_within (jack_nframes_t start, jack_nframes_t end, gdouble topy, gdouble boty, bool add);
1479         
1480         GnomeCanvasItem   *rubberband_rect;
1481         
1482         /* mouse zoom process */
1483
1484         void start_mouse_zoom (GnomeCanvasItem* item, GdkEvent* event);
1485         void drag_mouse_zoom (GnomeCanvasItem* item, GdkEvent* event);
1486         void end_mouse_zoom (GnomeCanvasItem* item, GdkEvent* event);
1487
1488         GnomeCanvasItem   *zoom_rect;
1489         void reposition_zoom_rect (jack_nframes_t start, jack_nframes_t end);
1490         
1491         /* diskstream/route display management */
1492
1493         Gtk::CList          route_list;
1494         Gtk::ScrolledWindow route_list_scroller;
1495         Gtk::Menu          *route_list_menu;
1496
1497         void route_list_column_click (gint);
1498         void build_route_list_menu ();
1499         void select_all_routes ();
1500         void unselect_all_routes ();
1501         void select_all_audiotracks ();
1502         void unselect_all_audiotracks ();
1503         void select_all_audiobus ();
1504         void unselect_all_audiobus ();
1505
1506         /* edit group management */
1507
1508         Gtk::Button         edit_group_list_button;
1509         Gtk::Label          edit_group_list_button_label;
1510         Gtk::CList          edit_group_list;
1511         Gtk::ScrolledWindow edit_group_list_scroller;
1512         Gtk::Menu          *edit_group_list_menu;
1513         Gtk::VBox           edit_group_vbox;
1514
1515
1516         void edit_group_list_column_click (gint);
1517         void build_edit_group_list_menu ();
1518         void select_all_edit_groups ();
1519         void unselect_all_edit_groups ();
1520         void new_edit_group ();
1521         void edit_group_list_button_clicked ();
1522         gint edit_group_list_button_press_event (GdkEventButton* ev);
1523         void edit_group_selected (gint row, gint col, GdkEvent* ev);
1524         void edit_group_unselected (gint row, gint col, GdkEvent* ev);
1525         void fake_add_edit_group (ARDOUR::RouteGroup* group);
1526         void add_edit_group (ARDOUR::RouteGroup* group);
1527         void group_flags_changed (void*, ARDOUR::RouteGroup*);
1528
1529         Gtk::VBox           list_vpacker;
1530
1531         static GdkPixmap* check_pixmap;
1532         static GdkBitmap* check_mask;
1533         static GdkPixmap* empty_pixmap;
1534         static GdkBitmap* empty_mask;
1535
1536         /* autoscrolling */
1537
1538         int autoscroll_timeout_tag;
1539         int autoscroll_direction;
1540         uint32_t autoscroll_cnt;
1541         jack_nframes_t autoscroll_distance;
1542      
1543         static gint _autoscroll_canvas (void *);
1544         gint autoscroll_canvas ();
1545         void start_canvas_autoscroll (int direction);
1546         void stop_canvas_autoscroll ();
1547         void maybe_autoscroll (GdkEvent*);
1548
1549         /* trimming */
1550         enum TrimOp {
1551                 StartTrim,
1552                 EndTrim,
1553                 ContentsTrim,
1554         } trim_op;
1555
1556         void start_trim (GnomeCanvasItem*, GdkEvent*);
1557         void point_trim (GdkEvent*);
1558         void trim_motion_callback (GnomeCanvasItem*, GdkEvent*);
1559         void single_contents_trim (AudioRegionView&, jack_nframes_t, bool, bool, bool);
1560         void single_start_trim (AudioRegionView&, jack_nframes_t, bool, bool);
1561         void single_end_trim (AudioRegionView&, jack_nframes_t, bool, bool);
1562
1563         void trim_finished_callback (GnomeCanvasItem*, GdkEvent*);
1564         void thaw_region_after_trim (AudioRegionView& rv);
1565         
1566         void trim_region_to_edit_cursor ();
1567         void trim_region_from_edit_cursor ();
1568
1569         bool show_gain_after_trim;
1570
1571         /* Drag-n-Drop */
1572
1573         int convert_drop_to_paths (std::vector<std::string>& paths,
1574                                    GdkDragContext     *context,
1575                                    gint                x,
1576                                    gint                y,
1577                                    GtkSelectionData   *data,
1578                                    guint               info,
1579                                    guint               time);
1580
1581         void  track_canvas_drag_data_received  (GdkDragContext     *context,
1582                                                 gint                x,
1583                                                 gint                y,
1584                                                 GtkSelectionData   *data,
1585                                                 guint               info,
1586                                                 guint               time);
1587
1588         void  region_list_display_drag_data_received  (GdkDragContext     *context,
1589                                                        gint                x,
1590                                                        gint                y,
1591                                                        GtkSelectionData   *data,
1592                                                        guint               info,
1593                                                        guint               time);
1594         
1595         /* audio export */
1596
1597         ExportDialog *export_dialog;
1598         void export_range (jack_nframes_t start, jack_nframes_t end);
1599
1600         int write_region_selection(AudioRegionSelection&);
1601         bool write_region (string path, ARDOUR::AudioRegion&);
1602         void export_region ();
1603         void write_a_region ();
1604         void bounce_region_selection ();
1605         void bounce_range_selection ();
1606         void external_edit_region ();
1607
1608         int write_audio_selection (TimeSelection&);
1609         bool write_audio_range (ARDOUR::Playlist&, uint32_t channels, list<ARDOUR::AudioRange>&);
1610
1611         void write_selection ();
1612
1613         /* history */
1614
1615         UndoAction get_memento() const;
1616
1617         void begin_reversible_command (string cmd_name);
1618         void commit_reversible_command ();
1619
1620         /* visual history */
1621
1622         UndoHistory visual_history;
1623         UndoCommand current_visual_command;
1624
1625         void begin_reversible_visual_command (string cmd_name);
1626         void commit_reversible_visual_command ();
1627
1628         void update_title ();   
1629         void update_title_s (string snapshot_name);
1630
1631         struct State {
1632             Selection* selection;
1633             double     frames_per_unit;
1634
1635             State();
1636             ~State();
1637         };
1638
1639         void store_state (State&) const;
1640         void restore_state (State *);
1641
1642         void instant_save ();
1643
1644         ARDOUR::AudioRegion* last_audition_region;
1645         
1646         /* freeze operations */
1647
1648         ARDOUR::InterThreadInfo freeze_status;
1649         gint freeze_progress_timeout (void *);
1650         static void* _freeze_thread (void*);
1651         void* freeze_thread ();
1652
1653         void freeze_route ();
1654         void unfreeze_route ();
1655
1656         /* edit-group solo + mute */
1657
1658         void set_edit_group_solo (ARDOUR::Route&, bool);
1659         void set_edit_group_mute (ARDOUR::Route&, bool);
1660
1661         /* duplication */
1662
1663         void duplicate_dialog (bool for_region);
1664         
1665         /* edit menu */
1666
1667         Gtk::Menu* edit_menu;
1668         void edit_menu_map_handler ();
1669
1670         jack_nframes_t event_frame (GdkEvent*, double* px = 0, double* py = 0);
1671
1672         void time_fx_motion (GnomeCanvasItem*, GdkEvent*);
1673         void start_time_fx (GnomeCanvasItem*, GdkEvent*);
1674         void end_time_fx (GnomeCanvasItem*, GdkEvent*);
1675
1676         struct TimeStretchDialog : public ArdourDialog {
1677             ARDOUR::Session::TimeStretchRequest request;
1678             Editor&               editor;
1679             AudioRegionSelection  regions;
1680             Gtk::ProgressBar      progress_bar;
1681             Gtk::ToggleButton     quick_button;
1682             Gtk::ToggleButton     antialias_button;
1683             Gtk::Button           cancel_button;
1684             Gtk::Button           action_button;
1685             Gtk::HBox             lower_button_box;
1686             Gtk::HBox             upper_button_box;
1687             Gtk::VBox             packer;
1688             int                   status;
1689
1690             TimeStretchDialog (Editor& e);
1691
1692             gint update_progress ();
1693             sigc::connection first_cancel;
1694             sigc::connection first_delete;
1695             void cancel_timestretch_in_progress ();
1696             gint delete_timestretch_in_progress (GdkEventAny*);
1697         };
1698
1699         /* "whats mine is yours" */
1700
1701         friend class TimeStretchDialog;
1702
1703         TimeStretchDialog* current_timestretch;
1704
1705         static void* timestretch_thread (void *arg);
1706         int run_timestretch (AudioRegionSelection&, float fraction);
1707         void do_timestretch (TimeStretchDialog&);
1708
1709         /* editor-mixer strip */
1710
1711         MixerStrip *current_mixer_strip;
1712         Gtk::VBox current_mixer_strip_vbox;
1713         void cms_deleted ();
1714         void current_mixer_strip_hidden ();
1715         void current_mixer_strip_removed ();
1716
1717         void detach_tearoff (Gtk::Box* b, Gtk::Widget* w);
1718         void reattach_tearoff (Gtk::Box* b, Gtk::Widget* w, int32_t n);
1719
1720         /* nudging tracks */
1721
1722         void nudge_track (bool use_edit_cursor, bool forwards);
1723
1724         /* xfades */
1725
1726         bool _xfade_visibility;
1727         
1728         /* <CMT Additions> */
1729         void handle_new_imageframe_time_axis_view(std::string track_name, void* src) ;
1730         void handle_new_imageframe_marker_time_axis_view(std::string track_name, TimeAxisView* marked_track) ;
1731
1732         void start_imageframe_grab(GnomeCanvasItem*, GdkEvent*) ;
1733         void start_markerview_grab(GnomeCanvasItem*, GdkEvent*) ;
1734
1735         void imageframe_drag_motion_callback(GnomeCanvasItem*, GdkEvent*) ;
1736         void markerview_drag_motion_callback(GnomeCanvasItem*, GdkEvent*) ;
1737         void timeaxis_item_drag_finished_callback(GnomeCanvasItem*, GdkEvent*) ;
1738
1739         gint canvas_imageframe_item_view_event(GnomeCanvasItem* item, GdkEvent* event, ImageFrameView* ifv);
1740         gint canvas_imageframe_view_event(GnomeCanvasItem* item, GdkEvent* event, ImageFrameTimeAxis* ifta);
1741         gint canvas_imageframe_start_handle_event(GnomeCanvasItem* item, GdkEvent* event, ImageFrameView* ifv);
1742         gint canvas_imageframe_end_handle_event(GnomeCanvasItem* item, GdkEvent* event, ImageFrameView* ifv);
1743
1744         gint canvas_marker_time_axis_view_event(GnomeCanvasItem* item, GdkEvent* event, MarkerTimeAxis* mta);
1745         gint canvas_markerview_item_view_event(GnomeCanvasItem* item, GdkEvent* event, MarkerView* mv);
1746         gint canvas_markerview_start_handle_event(GnomeCanvasItem* item, GdkEvent* event, MarkerView* mv);
1747         gint canvas_markerview_end_handle_event(GnomeCanvasItem* item, GdkEvent* event, MarkerView* mv);
1748
1749         void imageframe_start_handle_op(GnomeCanvasItem* item, GdkEvent* event) ;
1750         void imageframe_end_handle_op(GnomeCanvasItem* item, GdkEvent* event) ;
1751         void imageframe_start_handle_trim_motion(GnomeCanvasItem* item, GdkEvent* event) ;
1752         void imageframe_start_handle_end_trim(GnomeCanvasItem* item, GdkEvent* event) ;
1753         void imageframe_end_handle_trim_motion(GnomeCanvasItem* item, GdkEvent* event) ;
1754         void imageframe_end_handle_end_trim(GnomeCanvasItem* item, GdkEvent* event) ;
1755         
1756         void markerview_item_start_handle_op(GnomeCanvasItem* item, GdkEvent* event) ;
1757         void markerview_item_end_handle_op(GnomeCanvasItem* item, GdkEvent* event) ;
1758         void markerview_start_handle_trim_motion(GnomeCanvasItem* item, GdkEvent* event) ;
1759         void markerview_start_handle_end_trim(GnomeCanvasItem* item, GdkEvent* event) ;
1760         void markerview_end_handle_trim_motion(GnomeCanvasItem* item, GdkEvent* event) ;
1761         void markerview_end_handle_end_trim(GnomeCanvasItem* item, GdkEvent* event) ;
1762
1763         void popup_imageframe_edit_menu(int button, int32_t time, GnomeCanvasItem* ifv, bool with_frame) ;
1764         void popup_marker_time_axis_edit_menu(int button, int32_t time, GnomeCanvasItem* ifv, bool with_frame) ;
1765
1766         ImageFrameSocketHandler* image_socket_listener ;
1767         /* </CMT Additions> */
1768
1769         void toggle_xfade_active (ARDOUR::Crossfade*);
1770         void toggle_xfade_length (ARDOUR::Crossfade*);
1771         void edit_xfade (ARDOUR::Crossfade*);
1772         void remove_xfade ();
1773         void xfade_edit_left_region ();
1774         void xfade_edit_right_region ();
1775
1776         static const int32_t default_width = 995;
1777         static const int32_t default_height = 765;
1778
1779         /* nudge */
1780
1781         Gtk::Button      nudge_forward_button;
1782         Gtk::Button      nudge_backward_button;
1783         Gtk::HBox        nudge_hbox;
1784         Gtk::VBox        nudge_vbox;
1785         Gtk::Label       nudge_label;
1786         AudioClock       nudge_clock;
1787
1788         jack_nframes_t get_nudge_distance (jack_nframes_t pos, jack_nframes_t& next);
1789         
1790         /* audio filters */
1791
1792         void apply_filter (ARDOUR::AudioFilter&, string cmd);
1793
1794         /* handling cleanup */
1795
1796         int playlist_deletion_dialog (ARDOUR::Playlist*);
1797
1798         vector<sigc::connection> session_connections;
1799
1800         /* tracking step changes of track height */
1801
1802         TimeAxisView* current_stepping_trackview;
1803         struct timeval last_track_height_step_timestamp;
1804         gint track_height_step_timeout();
1805         sigc::connection step_timeout;
1806
1807         TimeAxisView* entered_track;
1808         AudioRegionView* entered_regionview;
1809         bool clear_entered_track;
1810         gint left_track_canvas (GdkEventCrossing*);
1811         void set_entered_track (TimeAxisView*);
1812         void set_entered_regionview (AudioRegionView*);
1813         gint left_automation_track ();
1814
1815         bool _new_regionviews_show_envelope;
1816
1817         void toggle_gain_envelope_visibility ();
1818         void toggle_gain_envelope_active ();
1819         
1820         typedef map<Editing::ColorID,std::string> ColorStyleMap;
1821         void init_colormap ();
1822 };
1823
1824 #endif /* __ardour_editor_h__ */