760268d023528d003b41e1a798f0420b5e6bdfdf
[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 <libgnomecanvasmm/canvas.h>
31 #include <libgnomecanvasmm/group.h>
32 #include <libgnomecanvasmm/line.h>
33
34 #include <cmath>
35
36 #include <sndfile.h>
37
38 #include <gtkmm/layout.h>
39 #include <gtkmm/comboboxtext.h>
40
41 #include <gtkmm2ext/selector.h>
42 #include <gtkmm2ext/click_box.h>
43
44 #include <ardour/stateful.h>
45 #include <ardour/session.h>
46 #include <ardour/tempo.h>
47 #include <ardour/location.h>
48 #include <ardour/region.h>
49
50 #include "audio_clock.h"
51 #include "gtk-custom-ruler.h"
52 #include "ardour_dialog.h"
53 #include "public_editor.h"
54 #include "editing.h"
55 #include "enums.h"
56 #include "region_selection.h"
57 #include "canvas.h"
58
59 namespace Gtkmm2ext {
60         class TearOff;
61 }
62
63 namespace LinuxAudioSystems {
64         class AudioEngine;
65 }
66
67 namespace ARDOUR {
68         class DiskStream;
69         class RouteGroup;
70         class Source;
71         class Playlist;
72         class Region;
73         class Location;
74         class TempoSection;
75         class NamedSelection;
76         class Session;
77         class AudioFilter;
78         class Crossfade;
79 }
80
81 namespace LADSPA {
82         class Plugin;
83 }
84
85 class TimeAxisView;
86 class AudioTimeAxisView;
87 class AutomationTimeAxisView;
88 class AudioRegionView;
89 class CrossfadeView;
90 class PluginSelector;
91 class PlaylistSelector;
92 class Marker;
93 class GroupedButtons;
94 class AutomationLine;
95 class UIExportSpecification;
96 class ExportDialog;
97 class Selection;
98 class TimeSelection;
99 class TrackSelection;
100 class AutomationSelection;
101 class MixerStrip;
102 class StreamView;
103 class ControlPoint;
104
105 /* <CMT Additions> */
106 class ImageFrameView;
107 class ImageFrameTimeAxisView;
108 class ImageFrameTimeAxis;
109 class MarkerTimeAxis ;
110 class MarkerView ;
111 class ImageFrameSocketHandler ;
112 class TimeAxisViewItem ;
113 /* </CMT Additions> */
114
115
116 class Editor : public PublicEditor
117 {
118   public:
119         Editor (ARDOUR::AudioEngine&);
120         ~Editor ();
121
122         void             connect_to_session (ARDOUR::Session *);
123         ARDOUR::Session* current_session() const { return session; }
124
125         jack_nframes_t leftmost_position() const { return leftmost_frame; }
126         jack_nframes_t current_page_frames() const {
127                 return (jack_nframes_t) floor (canvas_width * frames_per_unit);
128         }
129
130         void set_snap_to (Editing::SnapType);
131         void set_snap_mode (Editing::SnapMode);
132         void set_snap_threshold (double pixel_distance) {snap_threshold = pixel_distance;}
133
134         void undo (uint32_t n = 1);
135         void redo (uint32_t n = 1);
136
137         XMLNode& get_state ();
138         int set_state (const XMLNode& );
139
140         void set_mouse_mode (Editing::MouseMode, bool force=true);
141         void step_mouse_mode (bool next);
142         Editing::MouseMode current_mouse_mode () { return mouse_mode; }
143
144         void add_imageframe_time_axis(std::string track_name, void*) ;
145         void add_imageframe_marker_time_axis(std::string track_name, TimeAxisView* marked_track, void*) ;
146         void connect_to_image_compositor() ;
147         void scroll_timeaxis_to_imageframe_item(const TimeAxisViewItem* item) ;
148         TimeAxisView* get_named_time_axis(std::string name) ;
149         /* </CMT Additions> */
150
151         void consider_auditioning (ARDOUR::Region&);
152         void hide_a_region (ARDOUR::Region&);
153         void remove_a_region (ARDOUR::Region&);
154
155         /* option editor-access */
156
157         void set_show_waveforms (bool yn);
158         bool show_waveforms() const { return _show_waveforms; }
159
160         void set_show_waveforms_recording (bool yn);
161         bool show_waveforms_recording() const { return _show_waveforms_recording; }
162         
163         /* things that need to be public to be used in the main menubar */
164
165         void new_region_from_selection ();
166         void separate_region_from_selection ();
167         void toggle_playback (bool with_abort);
168
169         /* undo related */
170
171         void set_edit_menu (Gtk::Menu&);
172
173         jack_nframes_t unit_to_frame (double unit) {
174                 return (jack_nframes_t) rint (unit * frames_per_unit);
175         }
176         
177         double frame_to_unit (jack_nframes_t frame) {
178                 return rint ((double) frame / (double) frames_per_unit);
179         }
180
181         double frame_to_unit (double frame) {
182                 return rint (frame / frames_per_unit);
183         }
184
185         /* NOTE: these functions assume that the "pixel" coordinate is
186            the result of using the world->canvas affine transform on a
187            world coordinate. These coordinates already take into
188            account any scrolling carried out by adjusting the
189            xscroll_adjustment.  
190         */
191
192         jack_nframes_t pixel_to_frame (double pixel) {
193                 
194                 /* pixel can be less than zero when motion events
195                    are processed. since we've already run the world->canvas
196                    affine, that means that the location *really* is "off
197                    to the right" and thus really is "before the start".
198                 */
199
200                 if (pixel >= 0) {
201                         return (jack_nframes_t) rint (pixel * frames_per_unit * GNOME_CANVAS(track_canvas.gobj())->pixels_per_unit);
202                 } else {
203                         return 0;
204                 }
205         }
206
207         gulong frame_to_pixel (jack_nframes_t frame) {
208                 return (gulong) rint ((frame / (frames_per_unit *  GNOME_CANVAS(track_canvas.gobj())->pixels_per_unit)));
209         }
210
211         /* selection */
212
213         Selection& get_selection() const { return *selection; }
214         Selection& get_cut_buffer() const { return *cut_buffer; }
215
216         void play_selection ();
217         void select_all_in_track (bool add);
218         void select_all (bool add);
219         void invert_selection_in_track ();
220         void invert_selection ();
221
222         /* tempo */
223
224         void set_show_measures (bool yn);
225         bool show_measures () const { return _show_measures; }
226
227         /* export */
228
229         /* these initiate export ... */
230         
231         void export_session();
232         void export_selection();
233
234         /* this is what actually does it */
235         
236         void export_audiofile (ARDOUR::AudioExportSpecification&);
237
238         /* */
239
240         void add_toplevel_controls (Gtk::Container&);
241
242         void      set_zoom_focus (Editing::ZoomFocus);
243         Editing::ZoomFocus get_zoom_focus () const { return zoom_focus; }
244         gdouble   get_current_zoom () { return frames_per_unit; }
245
246         void temporal_zoom_step (bool coarser);
247
248         /* stuff that AudioTimeAxisView and related classes use */
249
250         PlaylistSelector& playlist_selector() const;
251         void route_name_changed (TimeAxisView *);
252         gdouble        frames_per_unit;
253         jack_nframes_t leftmost_frame;
254         void clear_playlist (ARDOUR::Playlist&);
255
256         TrackViewList* get_valid_views (TimeAxisView*, ARDOUR::RouteGroup* grp = 0);
257
258         Width editor_mixer_strip_width;
259         void show_editor_mixer (bool yn);
260         void set_selected_mixer_strip (TimeAxisView&);
261         void unselect_strip_in_display (TimeAxisView& tv);
262         void select_strip_in_display (TimeAxisView* tv);
263
264         /* nudge is initiated by transport controls owned by ARDOUR_UI */
265
266         void nudge_forward (bool next);
267         void nudge_backward (bool next);
268
269         /* nudge initiated from context menu */
270
271         void nudge_forward_capture_offset ();
272         void nudge_backward_capture_offset ();
273
274         /* playhead/screen stuff */
275         
276         void set_follow_playhead (bool yn);
277         void toggle_follow_playhead ();
278         bool follow_playhead() const { return _follow_playhead; }
279
280         /* xfades */
281
282         void toggle_xfades_active();
283         void toggle_xfade_visibility ();
284         void set_xfade_visibility (bool yn);
285         bool xfade_visibility() const { return _xfade_visibility; }
286
287         /* redirect shared ops menu. caller must free returned menu */
288
289         Gtk::Menu* redirect_menu ();
290
291         /* floating windows/transient */
292
293         void ensure_float (Gtk::Window&);
294
295         void show_window ();
296         
297         void scroll_tracks_down_line ();
298         void scroll_tracks_up_line ();
299
300         bool new_regionviews_display_gain () { return _new_regionviews_show_envelope; }
301         void prepare_for_cleanup ();
302
303         void reposition_x_origin (jack_nframes_t sample);
304
305   protected:
306         void map_transport_state ();
307         void map_position_change (jack_nframes_t);
308
309         void on_realize();
310         void on_map ();
311
312   private:
313         
314         ARDOUR::Session     *session;
315         ARDOUR::AudioEngine& engine;
316         bool                 constructed;
317
318         PlaylistSelector* _playlist_selector;
319
320         enum ItemType {
321                 RegionItem,
322                 StreamItem,
323                 PlayheadCursorItem,
324                 EditCursorItem,
325                 MarkerItem,
326                 MarkerBarItem,
327                 RangeMarkerBarItem,
328                 TransportMarkerBarItem,
329                 SelectionItem,
330                 GainControlPointItem,
331                 GainLineItem,
332                 GainAutomationControlPointItem,
333                 GainAutomationLineItem,
334                 PanAutomationControlPointItem,
335                 PanAutomationLineItem,
336                 RedirectAutomationControlPointItem,
337                 RedirectAutomationLineItem,
338                 MeterMarkerItem,
339                 TempoMarkerItem,
340                 MeterBarItem,
341                 TempoBarItem,
342                 AudioRegionViewNameHighlight,
343                 AudioRegionViewName,
344                 StartSelectionTrimItem,
345                 EndSelectionTrimItem,
346                 AutomationTrackItem,
347                 FadeInItem,
348                 FadeInHandleItem,
349                 FadeOutItem,
350                 FadeOutHandleItem,
351
352                 /* <CMT Additions> */
353                 MarkerViewItem,
354                 MarkerTimeAxisItem,
355                 MarkerViewHandleStartItem,
356                 MarkerViewHandleEndItem,
357                 ImageFrameItem,
358                 ImageFrameTimeAxisItem,
359                 ImageFrameHandleStartItem,
360                 ImageFrameHandleEndItem,
361                 /* </CMT Additions> */
362
363                 CrossfadeViewItem,
364                 
365                 /* don't remove this */
366
367                 NoItem
368         };
369
370         void          set_frames_per_unit (double);
371         void          frames_per_unit_modified ();
372
373         Editing::MouseMode mouse_mode;
374         void      mouse_insert (GdkEventButton *);
375
376         void pane_allocation_handler (Gtk::Allocation&, Gtk::Paned*);
377
378         Gtk::HPaned   canvas_region_list_pane;
379         Gtk::HPaned   track_list_canvas_pane;
380
381         Gtk::EventBox meter_base;
382         Gtk::HBox     meter_box;
383         Gtk::EventBox marker_base;
384         Gtk::HBox     marker_box;
385         Gtk::VBox     scrollers_rulers_markers_box;
386
387         void location_changed (ARDOUR::Location *);
388         void location_flags_changed (ARDOUR::Location *, void *);
389         void refresh_location_display ();
390         void refresh_location_display_s (ARDOUR::Change);
391         void refresh_location_display_internal (ARDOUR::Locations::LocationList&);
392         void add_new_location (ARDOUR::Location *);
393         void location_gone (ARDOUR::Location *);
394         void remove_marker (ArdourCanvas::Item&, GdkEvent*);
395         gint really_remove_marker (ARDOUR::Location* loc);
396
397         uint32_t location_marker_color;
398         uint32_t location_range_color;
399         uint32_t location_loop_color;
400         uint32_t location_punch_color;
401         uint32_t location_cd_marker_color;
402
403         struct LocationMarkers {
404             Marker* start;
405             Marker* end;
406
407             ~LocationMarkers ();
408
409             void hide();
410             void show ();
411             void set_name (const string&);
412             void set_position (jack_nframes_t start, jack_nframes_t end = 0);
413             void set_color_rgba (uint32_t);
414         };
415
416         LocationMarkers  *find_location_markers (ARDOUR::Location *);
417         ARDOUR::Location* find_location_from_marker (Marker *, bool& is_start);
418
419         typedef std::map<ARDOUR::Location*,LocationMarkers *> LocationMarkerMap;
420         LocationMarkerMap location_markers;
421
422         void hide_marker (ArdourCanvas::Item*, GdkEvent*);
423         void clear_marker_display ();
424         void mouse_add_new_marker (jack_nframes_t where);
425
426         TimeAxisView*      clicked_trackview;
427         AudioTimeAxisView* clicked_audio_trackview;
428         AudioRegionView*   clicked_regionview;
429         AudioRegionView*   latest_regionview;
430         uint32_t           clicked_selection;
431         CrossfadeView*     clicked_crossfadeview;
432         ControlPoint*      clicked_control_point;
433
434         void catch_vanishing_audio_regionview (AudioRegionView *);
435         void set_selected_control_point_from_click (bool add = false, bool with_undo = true, bool no_remove=false);
436         void set_selected_track_from_click (bool add = false, bool with_undo = true, bool no_remove=false);
437         void set_selected_regionview_from_click (bool add = false, bool no_track_remove=false);
438         void set_selected_regionview_from_region_list (ARDOUR::Region& region, bool add = false);
439         bool set_selected_regionview_from_map_event (GdkEventAny*, StreamView*, ARDOUR::Region*);
440         void collect_new_region_view (AudioRegionView *);
441
442         Gtk::Menu track_context_menu;
443         Gtk::Menu track_region_context_menu;
444         Gtk::Menu track_selection_context_menu;
445         Gtk::Menu track_crossfade_context_menu;
446
447         Gtk::MenuItem* region_edit_menu_split_item;
448         Gtk::MenuItem* region_edit_menu_split_multichannel_item;
449         Gtk::Menu * track_region_edit_playlist_menu;
450         Gtk::Menu * track_edit_playlist_submenu;
451         Gtk::Menu * track_selection_edit_playlist_submenu;
452         
453         void popup_track_context_menu (int, int, ItemType, bool, jack_nframes_t);
454         Gtk::Menu* build_track_context_menu (jack_nframes_t);
455         Gtk::Menu* build_track_bus_context_menu (jack_nframes_t);
456         Gtk::Menu* build_track_region_context_menu (jack_nframes_t frame);
457         Gtk::Menu* build_track_crossfade_context_menu (jack_nframes_t);
458         Gtk::Menu* build_track_selection_context_menu (jack_nframes_t);
459         void add_dstream_context_items (Gtk::Menu_Helpers::MenuList&);
460         void add_bus_context_items (Gtk::Menu_Helpers::MenuList&);
461         void add_region_context_items (StreamView*, ARDOUR::Region*, Gtk::Menu_Helpers::MenuList&);
462         void add_crossfade_context_items (StreamView*, ARDOUR::Crossfade*, Gtk::Menu_Helpers::MenuList&, bool many);
463         void add_selection_context_items (Gtk::Menu_Helpers::MenuList&);
464
465         void handle_new_route (ARDOUR::Route&);
466         void handle_new_route_p (ARDOUR::Route*);
467         void remove_route (TimeAxisView *);
468         bool route_removal;
469
470         Gtk::HBox           global_hpacker;
471         Gtk::VBox           global_vpacker;
472         Gtk::VBox           vpacker;
473
474         Gdk::Cursor*          current_canvas_cursor;
475
476         ArdourCanvas::CanvasAA track_canvas;
477         ArdourCanvas::CanvasAA time_canvas;
478
479         ArdourCanvas::Text* first_action_message;
480         ArdourCanvas::Text* verbose_canvas_cursor;
481         bool                 verbose_cursor_visible;
482
483         void session_control_changed (ARDOUR::Session::ControlType);
484         void queue_session_control_changed (ARDOUR::Session::ControlType);
485
486         
487         bool track_canvas_motion (GdkEvent*);
488
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         ArdourCanvas::Group      *minsec_group;
504         ArdourCanvas::Group      *bbt_group;
505         ArdourCanvas::Group      *smpte_group;
506         ArdourCanvas::Group      *frame_group;
507         ArdourCanvas::Group      *tempo_group;
508         ArdourCanvas::Group      *meter_group;
509         ArdourCanvas::Group      *marker_group;
510         ArdourCanvas::Group      *range_marker_group;
511         ArdourCanvas::Group      *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         ArdourCanvas::SimpleRect* tempo_bar;
573         ArdourCanvas::SimpleRect* meter_bar;
574         ArdourCanvas::SimpleRect* marker_bar;
575         ArdourCanvas::SimpleRect* range_marker_bar;
576         ArdourCanvas::SimpleRect* transport_marker_bar;
577
578         
579         ArdourCanvas::Line* tempo_line;
580         ArdourCanvas::Line* meter_line;
581         ArdourCanvas::Line* marker_line;
582         ArdourCanvas::Line* range_marker_line;
583         ArdourCanvas::Line* transport_marker_line;
584
585         ArdourCanvas::Points tempo_line_points;
586         ArdourCanvas::Points meter_line_points;
587         ArdourCanvas::Points marker_line_points;
588         ArdourCanvas::Points range_marker_line_points;
589         ArdourCanvas::Points transport_marker_line_points;
590
591         Gtk::Label  minsec_label;
592         Gtk::Label  bbt_label;
593         Gtk::Label  smpte_label;
594         Gtk::Label  frame_label;
595         Gtk::Label  tempo_label;
596         Gtk::Label  meter_label;
597         Gtk::Label  mark_label;
598         Gtk::Label  range_mark_label;
599         Gtk::Label  transport_mark_label;
600         
601
602         Gtk::VBox          time_button_vbox;
603         Gtk::HBox          time_button_hbox;
604
605         struct Cursor {
606             Editor&               editor;
607             ArdourCanvas::Points  points;
608             ArdourCanvas::Line    canvas_item;
609             jack_nframes_t        current_frame;
610             double                length;
611
612             Cursor (Editor&, const string& color, bool (Editor::*)(GdkEvent*,ArdourCanvas::Item*));
613             ~Cursor ();
614
615             void set_position (jack_nframes_t);
616             void set_length (double units);
617             void set_y_axis (double position);
618         };
619
620         friend struct Cursor; /* it needs access to several private
621                                  fields. XXX fix me.
622                               */
623
624         Cursor* playhead_cursor;
625         Cursor* edit_cursor;
626         ArdourCanvas::Group* cursor_group;
627
628         void    cursor_to_next_region_point (Cursor*, ARDOUR::RegionPoint);
629         void    cursor_to_previous_region_point (Cursor*, ARDOUR::RegionPoint);
630         void    cursor_to_region_point (Cursor*, ARDOUR::RegionPoint, int32_t dir);
631         void    cursor_to_selection_start (Cursor *);
632         void    cursor_to_selection_end   (Cursor *);
633
634         ARDOUR::Region* find_next_region (jack_nframes_t, ARDOUR::RegionPoint, int32_t dir, TrackViewList&, TimeAxisView ** = 0);
635
636         vector<jack_nframes_t> region_boundary_cache;
637         void build_region_boundary_cache ();
638
639         Gtk::VBox           trackview_vpacker;
640
641         Gtk::HBox           top_hbox;
642         Gtk::HBox           bottom_hbox;
643         
644         Gtk::Table          edit_packer;
645         Gtk::Frame          edit_frame;
646         Gtk::VScrollbar     edit_vscrollbar;
647
648         /* the horizontal scroller works in a rather different way
649            than a regular scrollbar, since its used for
650            zoom control/indication as well. But more importantly,
651            its different components (slider, left arrow, right arrow) 
652            have to be packed separately into the edit_packer.
653         */
654
655         Gtk::HScrollbar     edit_hscrollbar;
656         Gtk::DrawingArea    edit_hscroll_slider;
657         Gtk::Arrow          edit_hscroll_left_arrow;
658         Gtk::Arrow          edit_hscroll_right_arrow;
659         Gtk::EventBox       edit_hscroll_left_arrow_event;
660         Gtk::EventBox       edit_hscroll_right_arrow_event;
661         gint                edit_hscroll_slider_width;
662         gint                edit_hscroll_slider_height;
663         static const gint   edit_hscroll_edge_width = 3;
664         bool                edit_hscroll_dragging;
665         double              edit_hscroll_drag_last;
666         
667         void hscroll_slider_allocate (Gtk::Allocation &);
668         gint hscroll_slider_expose (GdkEventExpose*);
669         gint hscroll_slider_button_press (GdkEventButton*);
670         gint hscroll_slider_button_release (GdkEventButton*);
671         gint hscroll_slider_motion (GdkEventMotion*);
672
673         gint hscroll_trough_expose (GdkEventExpose*);
674         gint hscroll_trough_button_press (GdkEventButton*);
675         gint hscroll_trough_button_release (GdkEventButton*);
676
677         void update_hscroller ();
678
679         gint hscroll_left_arrow_button_press (GdkEventButton *);
680         gint hscroll_left_arrow_button_release (GdkEventButton *);
681         gint hscroll_right_arrow_button_press (GdkEventButton *);
682         gint hscroll_right_arrow_button_release (GdkEventButton *);
683         
684         guint32             canvas_width;
685         guint32             canvas_height;
686
687         Gtk::ScrolledWindow  track_canvas_scroller;
688         Gtk::ScrolledWindow  time_canvas_scroller;
689         Gtk::ScrolledWindow  edit_controls_scroller;
690
691         gint edit_controls_button_release (GdkEventButton*);
692         Gtk::Menu *edit_controls_left_menu;
693         Gtk::Menu *edit_controls_right_menu;
694
695         void track_canvas_scroller_realized ();
696         void time_canvas_scroller_realized ();
697
698         Gtk::VBox           track_canvas_vbox;
699         Gtk::VBox           time_canvas_vbox;
700         Gtk::VBox           edit_controls_vbox;
701         Gtk::HBox           edit_controls_hbox;
702
703         void tie_vertical_scrolling ();
704         void canvas_horizontally_scrolled ();
705         void reposition_and_zoom (jack_nframes_t sample, double fpu);
706         gint deferred_reposition_and_zoom (jack_nframes_t sample, double fpu);
707         void end_location_changed (ARDOUR::Location*);
708         bool repos_zoom_queued;
709         bool no_zoom_repos_update;
710         bool no_tempo_map_update;
711
712         struct RegionListDisplayModelColumns : public Gtk::TreeModel::ColumnRecord {
713             RegionListDisplayModelColumns() {
714                     add (name);
715                     add (region);
716             }
717             Gtk::TreeModelColumn<Glib::ustring> name;
718             Gtk::TreeModelColumn<ARDOUR::Region*> region;
719         };
720             
721         RegionListDisplayModelColumns    region_list_columns;
722         Gtk::TreeView                    region_list_display;
723         Glib::RefPtr<Gtk::TreeStore>     region_list_model;
724         Glib::RefPtr<Gtk::TreeModelSort> region_list_sort_model;
725         Glib::RefPtr<Gtk::Action>        toggle_full_region_list_action;
726
727         void region_list_selection_changed ();
728
729         Gtk::Menu          *region_list_menu;
730         Gtk::ScrolledWindow region_list_scroller;
731         Gtk::Frame          region_list_frame;
732
733         bool region_list_display_key_press (GdkEventKey *);
734         bool region_list_display_key_release (GdkEventKey *);
735         bool region_list_display_button_press (GdkEventButton *);
736         bool region_list_display_button_release (GdkEventButton *);
737         bool region_list_display_enter_notify (GdkEventCrossing *);
738         bool region_list_display_leave_notify (GdkEventCrossing *);
739         void region_list_clear ();
740         void region_list_selection_mapover (sigc::slot<void,ARDOUR::Region&>);
741         void build_region_list_menu ();
742
743         Gtk::CheckMenuItem* toggle_auto_regions_item;
744         Gtk::CheckMenuItem* toggle_full_region_list_item;
745
746         Gtk::MenuItem* import_audio_item;
747         Gtk::MenuItem* embed_audio_item;
748
749         bool show_automatic_regions_in_region_list;
750         Editing::RegionListSortType region_list_sort_type;
751
752         void reset_region_list_sort_direction (bool);
753         void reset_region_list_sort_type (Editing::RegionListSortType);
754
755         void toggle_full_region_list ();
756         void toggle_show_auto_regions ();
757
758         int region_list_sorter (Gtk::TreeModel::iterator, Gtk::TreeModel::iterator);
759
760         /* named selections */
761
762         struct NamedSelectionDisplayModelColumns : public Gtk::TreeModel::ColumnRecord {
763             NamedSelectionDisplayModelColumns() { 
764                     add (text);
765                     add (selection);
766             }
767             Gtk::TreeModelColumn<Glib::ustring>  text;
768             Gtk::TreeModelColumn<ARDOUR::NamedSelection*>    selection;
769         };
770
771         NamedSelectionDisplayModelColumns named_selection_columns;
772         Glib::RefPtr<Gtk::TreeStore>     named_selection_model;
773
774         Gtk::VPaned         region_selection_vpane;
775         Gtk::TreeView          named_selection_display;
776         Gtk::ScrolledWindow named_selection_scroller;
777
778         void name_selection();
779         void named_selection_name_chosen ();
780         void create_named_selection (string);
781         void paste_named_selection (float times);
782
783         void handle_new_named_selection ();
784         void add_named_selection_to_named_selection_display (ARDOUR::NamedSelection&);
785         void redisplay_named_selections ();
786
787         gint named_selection_display_button_press (GdkEventButton *ev);
788         void named_selection_display_selection_changed ();
789
790         /* track views */
791         int track_spacing;
792         TrackViewList  track_views;
793         TimeAxisView     *trackview_by_y_position (double ypos);
794
795         static Gdk::Cursor* cross_hair_cursor;
796         static Gdk::Cursor* trimmer_cursor;
797         static Gdk::Cursor* selector_cursor;
798         static Gdk::Cursor* grabber_cursor;
799         static Gdk::Cursor* zoom_cursor;
800         static Gdk::Cursor* time_fx_cursor;
801         static Gdk::Cursor* fader_cursor;
802         static Gdk::Cursor* speaker_cursor;
803         static Gdk::Cursor* null_cursor;
804         static Gdk::Cursor* wait_cursor;
805         static Gdk::Cursor* timebar_cursor;
806
807         static void build_cursors ();
808
809         sigc::connection scroll_connection;
810         jack_nframes_t last_update_frame;
811         void center_screen (jack_nframes_t);
812         void center_screen_internal (jack_nframes_t, float);
813         
814         void update_current_screen ();
815         sigc::connection slower_update_connection;
816         void update_slower ();
817         
818         gint show_track_context_menu (GdkEventButton *);
819         void hide_track_context_menu ();
820
821         void session_going_away ();
822
823         jack_nframes_t cut_buffer_start;
824         jack_nframes_t cut_buffer_length;
825
826         bool typed_event (ArdourCanvas::Item*, GdkEvent*, ItemType);
827         bool button_press_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
828         bool button_release_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
829         bool motion_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
830         bool enter_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
831         bool leave_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
832         
833         /* KEYMAP HANDLING */
834
835         void register_actions ();
836
837         int ensure_cursor (jack_nframes_t* pos);
838
839         void fake_handle_new_audio_region (ARDOUR::AudioRegion *);
840         void handle_new_audio_region (ARDOUR::AudioRegion *);
841         void fake_handle_audio_region_removed (ARDOUR::AudioRegion *);
842         void handle_audio_region_removed (ARDOUR::AudioRegion *);
843         void add_audio_region_to_region_display (ARDOUR::AudioRegion *);
844         void region_hidden (ARDOUR::Region*);
845         void redisplay_regions ();
846         void insert_into_tmp_audio_regionlist(ARDOUR::AudioRegion *);
847
848         list<ARDOUR::AudioRegion *> tmp_audio_region_list;
849
850         void cut_copy (Editing::CutCopyOp);
851         void cut_copy_points (Editing::CutCopyOp);
852         void cut_copy_regions (Editing::CutCopyOp);
853         void cut_copy_ranges (Editing::CutCopyOp);
854
855         void mouse_paste ();
856         void paste_internal (jack_nframes_t position, float times);
857
858         /* EDITING OPERATIONS */
859         
860         void toggle_region_mute ();
861         void toggle_region_opaque ();
862         void raise_region ();
863         void raise_region_to_top ();
864         void lower_region ();
865         void lower_region_to_bottom ();
866         void split_region ();
867         void split_region_at (jack_nframes_t);
868         void split_regions_at (jack_nframes_t, AudioRegionSelection&);
869         void crop_region_to_selection ();
870         void set_region_sync_from_edit_cursor ();
871         void remove_region_sync();
872         void align_selection (ARDOUR::RegionPoint, jack_nframes_t position);
873         void align_selection_relative (ARDOUR::RegionPoint point, jack_nframes_t position);
874         void align_region (ARDOUR::Region&, ARDOUR::RegionPoint point, jack_nframes_t position);
875         void align_region_internal (ARDOUR::Region&, ARDOUR::RegionPoint point, jack_nframes_t position);
876         void remove_some_regions ();
877         void remove_clicked_region ();
878         void destroy_clicked_region ();
879         void edit_region ();
880         void duplicate_some_regions (AudioRegionSelection&, float times);
881         void duplicate_selection (float times);
882         void region_fill_selection ();
883
884         void region_fill_track ();
885         void audition_playlist_region_standalone (ARDOUR::AudioRegion&);
886         void audition_playlist_region_via_route (ARDOUR::AudioRegion&, ARDOUR::Route&);
887         void split_multichannel_region();
888         void reverse_region ();
889         void normalize_region ();
890         void denormalize_region ();
891
892         void audition_region_from_region_list ();
893         void hide_region_from_region_list ();
894         void remove_region_from_region_list ();
895
896         void align (ARDOUR::RegionPoint);
897         void align_relative (ARDOUR::RegionPoint);
898         void naturalize ();
899
900         void cut ();
901         void copy ();
902         void paste (float times);
903
904         int  get_prefix (float&, bool&);
905
906         void keyboard_paste ();
907         void keyboard_duplicate_region ();
908         void keyboard_duplicate_selection ();
909         void keyboard_nudge ();
910         void keyboard_insert_region_list_selection ();
911
912         void region_from_selection ();
913         void create_region_from_selection (std::vector<ARDOUR::AudioRegion*>&);
914
915         bool region_renamed;
916         void rename_region ();
917         void rename_region_finished (bool);
918
919         void play_from_start ();
920         void play_from_edit_cursor ();
921         void play_selected_region ();
922         void audition_selected_region ();
923         void toggle_loop_playback ();
924         void loop_selected_region ();
925         void play_location (ARDOUR::Location&);
926         void loop_location (ARDOUR::Location&);
927
928         Editing::ZoomFocus zoom_focus;
929
930         void temporal_zoom_selection ();
931         void temporal_zoom_session ();
932         void temporal_zoom (gdouble scale);
933         void temporal_zoom_by_frame (jack_nframes_t start, jack_nframes_t end, string op);
934         void temporal_zoom_to_frame (bool coarser, jack_nframes_t frame);
935
936         void amplitude_zoom (gdouble scale);
937         void amplitude_zoom_step (bool in);
938
939         void insert_region_list_drag (ARDOUR::AudioRegion&);
940         void insert_region_list_selection (float times);
941
942         void insert_sndfile (bool as_tracks);
943         void embed_audio ();    // inserts into region list
944         int  reject_because_rate_differs (string path, SF_INFO& finfo, string action, bool multiple_pending);
945
946         void do_embed_sndfiles (vector<string> paths, bool split);
947         void embed_sndfile (string path, bool split, bool multiple_files, bool& check_sr);
948
949         void do_insert_sndfile (vector<string> path, bool multi, jack_nframes_t frame);
950         void insert_paths_as_new_tracks (std::vector<std::string> paths, bool multi); // inserts files as new tracks
951         void insert_sndfile_into (string path, bool multi, AudioTimeAxisView* tv, jack_nframes_t& frame, bool prompt=true);
952         static void* _insert_sndfile_thread (void*);
953         void*  insert_sndfile_thread (void*);
954
955         /* generic interthread progress window */
956         
957         ArdourDialog* interthread_progress_window;
958         Gtk::Label interthread_progress_label;
959         Gtk::VBox interthread_progress_vbox;
960         Gtk::ProgressBar interthread_progress_bar;
961         Gtk::Button interthread_cancel_button;
962         Gtk::Label interthread_cancel_label;
963         sigc::connection  interthread_progress_connection;
964         void interthread_cancel_clicked ();
965         void build_interthread_progress_window ();
966         ARDOUR::InterThreadInfo* current_interthread_info;
967
968         /* import specific info */
969
970         ARDOUR::Session::import_status import_status;
971         gint import_progress_timeout (void *);
972         static void *_import_thread (void *);
973         void* import_thread ();
974         void catch_new_audio_region (ARDOUR::AudioRegion*);
975         ARDOUR::AudioRegion* last_audio_region;
976
977         /* to support this ... */
978
979         void import_audio (bool as_tracks);
980         void do_import (vector<string> paths, bool split, bool as_tracks);
981
982         void move_to_start ();
983         void move_to_end ();
984         void goto_frame ();
985         void center_playhead ();
986         void center_edit_cursor ();
987         void edit_cursor_backward ();
988         void edit_cursor_forward ();
989         void playhead_backward ();
990         void playhead_forward ();
991         void scroll_backward (float pages=0.8f);
992         void scroll_forward (float pages=0.8f);
993         void scroll_tracks_down ();
994         void scroll_tracks_up ();
995         void delete_sample_forward ();
996         void delete_sample_backward ();
997         void delete_screen ();
998         void search_backwards ();
999         void search_forwards ();
1000         void set_mark ();
1001         void clear_markers ();
1002         void clear_ranges ();
1003         void clear_locations ();
1004         void jump_forward_to_mark ();
1005         void jump_backward_to_mark ();
1006         void cursor_align (bool playhead_to_edit);
1007
1008         void remove_last_capture ();
1009
1010         void set_selection_from_range (ARDOUR::Location&);
1011         void set_selection_from_punch ();
1012         void set_selection_from_loop ();
1013
1014         void add_location_from_selection ();
1015         void set_route_loop_selection ();
1016
1017         void add_location_from_playhead_cursor ();
1018
1019         void reverse_selection ();
1020         void edit_envelope ();
1021
1022         void start_scrolling ();
1023         void stop_scrolling ();
1024
1025         void keyboard_selection_begin ();
1026         void keyboard_selection_finish (bool add);
1027         bool have_pending_keyboard_selection;
1028         jack_nframes_t pending_keyboard_selection_start;
1029
1030         ARDOUR::AudioRegion* select_region_for_operation (int dir, TimeAxisView **tv);
1031         void extend_selection_to_end_of_region (bool next);
1032         void extend_selection_to_start_of_region (bool previous);
1033
1034         Editing::SnapType snap_type;
1035         Editing::SnapMode snap_mode;
1036         double snap_threshold;
1037
1038         void soundfile_chosen_for_insert (string selection, bool split_channels);
1039         void soundfile_chosen_for_embed (string selection, bool split_channels);
1040         void soundfile_chosen_for_import (string selection, bool split_channels);
1041
1042         void handle_gui_changes (string, void *);
1043
1044         void    hide_all_tracks (bool with_select);
1045
1046         void route_display_selection_changed ();
1047         void redisplay_route_list();
1048         gint route_list_reordered ();
1049         bool ignore_route_list_reorder;
1050         void queue_route_list_reordered ();
1051
1052         struct DragInfo {
1053           ArdourCanvas::Item* item;
1054             void* data;
1055             jack_nframes_t last_frame_position;
1056             int32_t pointer_frame_offset;
1057             jack_nframes_t grab_frame;
1058             jack_nframes_t last_pointer_frame;
1059             jack_nframes_t current_pointer_frame;
1060             double grab_x, grab_y;
1061             double cumulative_x_drag;
1062             double cumulative_y_drag;
1063             double current_pointer_x;
1064             double current_pointer_y;
1065           void (Editor::*motion_callback)(ArdourCanvas::Item*, GdkEvent*);
1066           void (Editor::*finished_callback)(ArdourCanvas::Item*, GdkEvent*);
1067             TimeAxisView* last_trackview;
1068             bool x_constrained;
1069             bool copy;
1070             bool was_rolling;
1071             bool first_move;
1072             bool move_threshold_passsed;
1073             bool want_move_threshold;
1074             bool brushing;
1075             ARDOUR::Location* copied_location;
1076         } drag_info;
1077
1078         struct LineDragInfo {
1079             uint32_t before;
1080             uint32_t after;
1081         };
1082
1083         LineDragInfo current_line_drag_info;
1084
1085         void start_grab (GdkEvent*, Gdk::Cursor* cursor = 0);
1086         bool end_grab (ArdourCanvas::Item*, GdkEvent*);
1087
1088         Gtk::Menu fade_context_menu;
1089         void popup_fade_context_menu (int, int, ArdourCanvas::Item*, ItemType);
1090
1091         void start_fade_in_grab (ArdourCanvas::Item*, GdkEvent*);
1092         void start_fade_out_grab (ArdourCanvas::Item*, GdkEvent*);
1093         void fade_in_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1094         void fade_out_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1095         void fade_in_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1096         void fade_out_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1097         
1098         std::set<ARDOUR::Playlist*> motion_frozen_playlists;
1099         void region_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1100         void region_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1101         void region_copy_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1102
1103         void cursor_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1104         void cursor_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1105         void marker_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1106         void marker_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1107         void control_point_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1108         void control_point_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1109         void line_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1110         void line_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1111
1112         void tempo_marker_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1113         void tempo_marker_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1114         void meter_marker_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1115         void meter_marker_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1116
1117         gint mouse_rename_region (ArdourCanvas::Item*, GdkEvent*);
1118
1119         void start_region_grab (ArdourCanvas::Item*, GdkEvent*);
1120         void start_region_copy_grab (ArdourCanvas::Item*, GdkEvent*);
1121         void start_region_brush_grab (ArdourCanvas::Item*, GdkEvent*);
1122         void start_selection_grab (ArdourCanvas::Item*, GdkEvent*);
1123         void start_cursor_grab (ArdourCanvas::Item*, GdkEvent*);
1124         void start_marker_grab (ArdourCanvas::Item*, GdkEvent*);
1125         void start_control_point_grab (ArdourCanvas::Item*, GdkEvent*);
1126         void start_line_grab_from_regionview (ArdourCanvas::Item*, GdkEvent*);
1127         void start_line_grab_from_line (ArdourCanvas::Item*, GdkEvent*);
1128         void start_line_grab (AutomationLine *, GdkEvent*);
1129         void start_tempo_marker_grab (ArdourCanvas::Item*, GdkEvent*);
1130         void start_meter_marker_grab (ArdourCanvas::Item*, GdkEvent*);
1131
1132         void region_view_item_click (AudioRegionView&, GdkEventButton*);
1133
1134         void remove_gain_control_point (ArdourCanvas::Item*, GdkEvent*);
1135         void remove_control_point (ArdourCanvas::Item*, GdkEvent*);
1136
1137         void mouse_brush_insert_region (AudioRegionView*, jack_nframes_t pos);
1138         void brush (jack_nframes_t);
1139
1140         void show_verbose_time_cursor (jack_nframes_t frame, double offset = 0, double xpos=-1, double ypos=-1);
1141         void show_verbose_duration_cursor (jack_nframes_t start, jack_nframes_t end, double offset = 0, double xpos=-1, double ypos=-1);
1142
1143         /* Canvas event handlers */
1144
1145         // FIXED FOR GTK2
1146
1147
1148         bool canvas_control_point_event (GdkEvent* event,ArdourCanvas::Item*, ControlPoint*);
1149         bool canvas_line_event (GdkEvent* event,ArdourCanvas::Item*, AutomationLine*);
1150         bool canvas_selection_rect_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1151         bool canvas_selection_start_trim_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1152         bool canvas_selection_end_trim_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1153         bool canvas_crossfade_view_event (GdkEvent* event,ArdourCanvas::Item*, CrossfadeView*);
1154         bool canvas_fade_in_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1155         bool canvas_fade_in_handle_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1156         bool canvas_fade_out_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1157         bool canvas_fade_out_handle_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1158         bool canvas_region_view_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1159         bool canvas_region_view_name_highlight_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1160         bool canvas_region_view_name_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1161         bool canvas_stream_view_event (GdkEvent* event,ArdourCanvas::Item*, AudioTimeAxisView*);
1162         bool canvas_marker_event (GdkEvent* event,ArdourCanvas::Item*, Marker*);
1163         bool canvas_zoom_rect_event (GdkEvent* event,ArdourCanvas::Item*);
1164         bool canvas_tempo_marker_event (GdkEvent* event,ArdourCanvas::Item*, TempoMarker*);
1165         bool canvas_meter_marker_event (GdkEvent* event,ArdourCanvas::Item*, MeterMarker*);
1166         bool canvas_automation_track_event(GdkEvent* event, ArdourCanvas::Item*, AutomationTimeAxisView*) ;
1167
1168         bool canvas_tempo_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1169         bool canvas_meter_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1170         bool canvas_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1171         bool canvas_range_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1172         bool canvas_transport_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1173
1174         bool canvas_imageframe_item_view_event(GdkEvent* event, ArdourCanvas::Item*,ImageFrameView*);
1175         bool canvas_imageframe_view_event(GdkEvent* event, ArdourCanvas::Item*,ImageFrameTimeAxis*);
1176         bool canvas_imageframe_start_handle_event(GdkEvent* event, ArdourCanvas::Item*,ImageFrameView*);
1177         bool canvas_imageframe_end_handle_event(GdkEvent* event, ArdourCanvas::Item*,ImageFrameView*);
1178         bool canvas_marker_time_axis_view_event(GdkEvent* event, ArdourCanvas::Item*,MarkerTimeAxis*);
1179         bool canvas_markerview_item_view_event(GdkEvent* event, ArdourCanvas::Item*,MarkerView*);
1180         bool canvas_markerview_start_handle_event(GdkEvent* event, ArdourCanvas::Item*,MarkerView*);
1181         bool canvas_markerview_end_handle_event(GdkEvent* event, ArdourCanvas::Item*,MarkerView*);
1182
1183         /* non-public event handlers */
1184
1185         bool canvas_playhead_cursor_event (GdkEvent* event, ArdourCanvas::Item*);
1186         bool canvas_edit_cursor_event (GdkEvent* event, ArdourCanvas::Item*);
1187         bool track_canvas_event (GdkEvent* event, ArdourCanvas::Item*);
1188
1189         bool track_canvas_button_press_event (GdkEventButton *);
1190         bool track_canvas_button_release_event (GdkEventButton *);
1191         
1192         void track_canvas_allocate (Gtk::Allocation alloc);
1193         void time_canvas_allocate (Gtk::Allocation alloc);
1194
1195         void set_edit_cursor (GdkEvent* event);
1196         void set_playhead_cursor (GdkEvent* event);
1197
1198         void kbd_driver (sigc::slot<void,GdkEvent*>, bool use_track_canvas = true, bool use_time_canvas = true, bool can_select = true);
1199         void kbd_set_playhead_cursor ();
1200         void kbd_set_edit_cursor ();
1201         void kbd_split ();
1202         void kbd_align (ARDOUR::RegionPoint);
1203         void kbd_align_relative (ARDOUR::RegionPoint);
1204         void kbd_brush ();
1205         void kbd_audition ();
1206
1207         void kbd_do_split (GdkEvent*);
1208         void kbd_do_align (GdkEvent*, ARDOUR::RegionPoint);
1209         void kbd_do_align_relative (GdkEvent*, ARDOUR::RegionPoint);
1210         void kbd_do_brush (GdkEvent*);
1211         void kbd_do_audition (GdkEvent*);
1212
1213         void fake_handle_new_duration ();
1214         void handle_new_duration ();
1215         void initialize_canvas ();
1216         void reset_scrolling_region (Gtk::Allocation* alloc = 0);
1217         void scroll_canvas ();
1218
1219         /* sub-event loop handling */
1220
1221         int32_t sub_event_loop_status;
1222         void run_sub_event_loop ();
1223         void finish_sub_event_loop (int status);
1224         gint finish_sub_event_loop_on_delete (GdkEventAny*, int32_t status);
1225         
1226         /* display control */
1227         
1228         bool _show_measures;
1229         bool _show_waveforms;
1230         bool _follow_playhead;
1231         bool _show_waveforms_recording;
1232         
1233         void add_bbt_marks (ARDOUR::TempoMap::BBTPointList&);
1234
1235         ARDOUR::TempoMap::BBTPointList *current_bbt_points;
1236         
1237         typedef vector<ArdourCanvas::Line*> TimeLineList;
1238         TimeLineList free_measure_lines;
1239         TimeLineList used_measure_lines;
1240
1241         ArdourCanvas::Group* time_line_group;
1242         ArdourCanvas::Line* get_time_line ();
1243         void hide_measures ();
1244         void draw_measures ();
1245         void draw_time_bars ();
1246
1247         void new_tempo_section ();
1248
1249         void mouse_add_new_tempo_event (jack_nframes_t where);
1250         void mouse_add_new_meter_event (jack_nframes_t where);
1251
1252         void remove_tempo_marker (ArdourCanvas::Item*);
1253         void remove_meter_marker (ArdourCanvas::Item*);
1254         gint real_remove_tempo_marker (ARDOUR::TempoSection*);
1255         gint real_remove_meter_marker (ARDOUR::MeterSection*);
1256         
1257         void edit_tempo_section (ARDOUR::TempoSection*);
1258         void edit_meter_section (ARDOUR::MeterSection*);
1259         void edit_tempo_marker (ArdourCanvas::Item*);
1260         void edit_meter_marker (ArdourCanvas::Item*);
1261         
1262         void marker_menu_edit ();
1263         void marker_menu_remove ();
1264         void marker_menu_rename ();
1265         void marker_menu_hide ();
1266         void marker_menu_loop_range ();
1267         void marker_menu_play_from ();
1268         void marker_menu_set_playhead ();
1269         void marker_menu_set_from_playhead ();
1270         void marker_menu_set_from_selection ();
1271         void new_transport_marker_menu_set_loop ();
1272         void new_transport_marker_menu_set_punch ();
1273         void update_loop_range_view (bool visibility=false);
1274         void update_punch_range_view (bool visibility=false);
1275         gint new_transport_marker_menu_popdown (GdkEventAny*);
1276         void marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1277         void tm_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1278         void transport_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1279         void new_transport_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1280         void build_marker_menu ();
1281         void build_tm_marker_menu ();
1282         void build_transport_marker_menu ();
1283         void build_new_transport_marker_menu ();
1284
1285         Gtk::Menu* tm_marker_menu;
1286         Gtk::Menu* marker_menu;
1287         Gtk::Menu* transport_marker_menu;
1288         Gtk::Menu* new_transport_marker_menu;
1289         ArdourCanvas::Item* marker_menu_item;
1290
1291         typedef list<Marker*> Marks;
1292         Marks metric_marks;
1293
1294         void remove_metric_marks ();
1295         void draw_metric_marks (const ARDOUR::Metrics& metrics);
1296
1297         void tempo_map_changed (ARDOUR::Change);
1298         void redisplay_tempo ();
1299         
1300         void snap_to (jack_nframes_t& first, int32_t direction = 0, bool for_mark = false);
1301         uint32_t bbt_beat_subdivision;
1302
1303         /* toolbar */
1304         
1305         Gtk::ToggleButton        editor_mixer_button;
1306
1307         void editor_mixer_button_toggled ();
1308
1309         AudioClock               selection_start_clock;
1310         Gtk::Label               selection_start_clock_label;
1311         AudioClock               selection_end_clock;
1312         Gtk::Label               selection_end_clock_label;
1313         AudioClock               edit_cursor_clock;
1314         Gtk::Label               edit_cursor_clock_label;
1315         AudioClock               zoom_range_clock;
1316         Gtk::Button              zoom_in_button;
1317         Gtk::Button              zoom_out_button;
1318         Gtk::Button              zoom_out_full_button;
1319         Gtk::Button              zoom_onetoone_button;
1320
1321         Gtk::VBox                toolbar_clock_vbox;
1322         Gtk::VBox                toolbar_selection_clock_vbox; 
1323         Gtk::Table               toolbar_selection_clock_table;
1324         Gtk::Label               toolbar_selection_cursor_label;
1325         
1326         Gtk::Table               mouse_mode_button_table;
1327         Gtkmm2ext::TearOff*       mouse_mode_tearoff;
1328         Gtk::ToggleButton        mouse_select_button;
1329         Gtk::ToggleButton        mouse_move_button;
1330         Gtk::ToggleButton        mouse_gain_button;
1331         Gtk::ToggleButton        mouse_zoom_button;
1332         Gtk::ToggleButton        mouse_timefx_button;
1333         Gtk::ToggleButton        mouse_audition_button;
1334         GroupedButtons          *mouse_mode_button_set;
1335         void                     mouse_mode_toggled (Editing::MouseMode m);
1336         bool                     ignore_mouse_mode_toggle;
1337
1338         gint                     mouse_select_button_release (GdkEventButton*);
1339
1340         Gtk::VBox                automation_box;
1341         Gtk::Button              automation_mode_button;
1342         Gtk::ToggleButton        global_automation_button;
1343
1344         Gtk::ComboBoxText edit_mode_selector;
1345         Gtk::Label               edit_mode_label;
1346         Gtk::VBox                edit_mode_box;
1347
1348         void edit_mode_selection_done ();
1349
1350         Gtk::ComboBoxText snap_type_selector;
1351         Gtk::Label               snap_type_label;
1352         Gtk::VBox                snap_type_box;
1353
1354         void snap_type_selection_done ();
1355
1356         Gtk::ComboBoxText               snap_mode_selector;
1357         Gtk::Label               snap_mode_label;
1358         Gtk::VBox                snap_mode_box;
1359
1360         void snap_mode_selection_done ();
1361         
1362         Gtk::ComboBoxText zoom_focus_selector;
1363         Gtk::Label               zoom_focus_label;
1364         Gtk::VBox                zoom_focus_box;
1365         
1366         void zoom_focus_selection_done ();
1367
1368         Gtk::Label          zoom_indicator_label;
1369         Gtk::HBox           zoom_indicator_box;
1370         Gtk::VBox           zoom_indicator_vbox;
1371
1372         void                update_zoom_indicator ();
1373         void                zoom_adjustment_changed();
1374
1375         void                edit_cursor_clock_changed();
1376         
1377         void setup_toolbar ();
1378
1379         Gtkmm2ext::TearOff*       tools_tearoff;
1380         Gtk::HBox                toolbar_hbox;
1381         Gtk::EventBox            toolbar_base;
1382         Gtk::Frame               toolbar_frame;
1383
1384         /* selection process */
1385
1386         Selection* selection;
1387         Selection* cut_buffer;
1388
1389         void time_selection_changed ();
1390         void track_selection_changed ();
1391         void region_selection_changed ();
1392         void point_selection_changed ();
1393         void audio_track_selection_changed ();
1394         void line_selection_changed ();
1395
1396         enum SelectionOp {
1397                 CreateSelection,
1398                 SelectionStartTrim,
1399                 SelectionEndTrim,
1400                 SelectionMove
1401         } selection_op;
1402
1403         void start_selection_op (ArdourCanvas::Item* item, GdkEvent* event, SelectionOp);
1404         void drag_selection (ArdourCanvas::Item* item, GdkEvent* event);
1405         void end_selection_op (ArdourCanvas::Item* item, GdkEvent* event);
1406         void cancel_selection ();
1407
1408         void region_selection_op (void (ARDOUR::Region::*pmf)(void));
1409         void region_selection_op (void (ARDOUR::Region::*pmf)(void*), void*);
1410         void region_selection_op (void (ARDOUR::Region::*pmf)(bool), bool);
1411
1412         bool audio_region_selection_covers (jack_nframes_t where);
1413
1414         Gtk::VPaned  route_group_vpane;
1415         Gtk::Frame   route_list_frame;
1416         Gtk::Frame   edit_group_list_frame;
1417
1418         /* transport range select process */
1419         enum RangeMarkerOp {
1420                 CreateRangeMarker,
1421                 CreateTransportMarker
1422         } range_marker_op;
1423
1424         void start_range_markerbar_op (ArdourCanvas::Item* item, GdkEvent* event, RangeMarkerOp);
1425         void drag_range_markerbar_op (ArdourCanvas::Item* item, GdkEvent* event);
1426         void end_range_markerbar_op (ArdourCanvas::Item* item, GdkEvent* event);
1427
1428         ArdourCanvas::SimpleRect*    range_bar_drag_rect;
1429         ArdourCanvas::SimpleRect*      transport_bar_drag_rect;
1430         ArdourCanvas::Line*      marker_drag_line;
1431         ArdourCanvas::Points*    marker_drag_line_points;
1432         ArdourCanvas::SimpleRect*      range_marker_drag_rect;
1433
1434         void update_marker_drag_item (ARDOUR::Location *);
1435         
1436         ArdourCanvas::SimpleRect      *transport_bar_range_rect;
1437         ArdourCanvas::SimpleRect     *transport_bar_preroll_rect;
1438         ArdourCanvas::SimpleRect      *transport_bar_postroll_rect;
1439         ArdourCanvas::SimpleRect     *transport_loop_range_rect;
1440         ArdourCanvas::SimpleRect      *transport_punch_range_rect;
1441         ArdourCanvas::Line           *transport_punchin_line;
1442         ArdourCanvas::Line           *transport_punchout_line;
1443         ArdourCanvas::SimpleRect     *transport_preroll_rect;
1444         ArdourCanvas::SimpleRect     *transport_postroll_rect;
1445
1446         ARDOUR::Location*  transport_loop_location();
1447         ARDOUR::Location*  transport_punch_location();
1448
1449         ARDOUR::Location   *temp_location;
1450         
1451         /* object rubberband select process */
1452         
1453         void start_rubberband_select (ArdourCanvas::Item* item, GdkEvent* event);
1454         void drag_rubberband_select (ArdourCanvas::Item* item, GdkEvent* event);
1455         void end_rubberband_select (ArdourCanvas::Item* item, GdkEvent* event);
1456
1457         bool select_all_within (jack_nframes_t start, jack_nframes_t end, gdouble topy, gdouble boty, bool add);
1458         
1459         ArdourCanvas::Item   *rubberband_rect;
1460         
1461         /* mouse zoom process */
1462
1463         void start_mouse_zoom (ArdourCanvas::Item* item, GdkEvent* event);
1464         void drag_mouse_zoom (ArdourCanvas::Item* item, GdkEvent* event);
1465         void end_mouse_zoom (ArdourCanvas::Item* item, GdkEvent* event);
1466
1467         ArdourCanvas::Item   *zoom_rect;
1468         void reposition_zoom_rect (jack_nframes_t start, jack_nframes_t end);
1469         
1470         /* diskstream/route display management */
1471
1472         struct RouteDisplayModelColumns : public Gtk::TreeModel::ColumnRecord {
1473             RouteDisplayModelColumns() { 
1474                     add (text);
1475                     add (tv);
1476             }
1477             Gtk::TreeModelColumn<Glib::ustring>  text;
1478             Gtk::TreeModelColumn<TimeAxisView*>    tv;
1479         };
1480
1481         RouteDisplayModelColumns    route_display_columns;
1482         Glib::RefPtr<Gtk::ListStore> route_display_model;
1483         Glib::RefPtr<Gtk::TreeSelection> route_display_selection;
1484
1485         gint route_list_compare_func (Gtk::TreeModel::iterator, Gtk::TreeModel::iterator);
1486         Gtk::TreeView          route_list; //GTK2FIX rename to route_display
1487         Gtk::ScrolledWindow route_list_scroller;
1488         Gtk::Menu          *route_list_menu;
1489
1490         void route_list_column_click ();
1491         void build_route_list_menu ();
1492         void select_all_routes ();
1493         void unselect_all_routes ();
1494         void select_all_audiotracks ();
1495         void unselect_all_audiotracks ();
1496         void select_all_audiobus ();
1497         void unselect_all_audiobus ();
1498
1499         /* edit group management */
1500
1501         struct GroupListModelColumns : public Gtk::TreeModel::ColumnRecord {
1502                 GroupListModelColumns () {
1503                        add (is_active);
1504                        add (text);
1505                        add (routegroup);
1506                 }
1507                 Gtk::TreeModelColumn<bool> is_active;
1508                 Gtk::TreeModelColumn<std::string> text;
1509                 Gtk::TreeModelColumn<ARDOUR::RouteGroup*>   routegroup;
1510         };
1511
1512         GroupListModelColumns group_columns;
1513         Glib::RefPtr<Gtk::ListStore> group_model;
1514         Glib::RefPtr<Gtk::TreeSelection> group_selection;
1515
1516         Gtk::Button         edit_group_list_button;
1517         Gtk::Label          edit_group_list_button_label;
1518         Gtk::TreeView       edit_group_list;
1519         Gtk::ScrolledWindow edit_group_list_scroller;
1520         Gtk::Menu          *edit_group_list_menu;
1521         Gtk::VBox           edit_group_vbox;
1522
1523         void edit_group_list_column_click (gint);
1524         void build_edit_group_list_menu ();
1525         void select_all_edit_groups ();
1526         void unselect_all_edit_groups ();
1527         void new_edit_group ();
1528         void edit_group_list_button_clicked ();
1529         gint edit_group_list_button_press_event (GdkEventButton* ev);
1530         void edit_group_selection_changed ();
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 (ArdourCanvas::Item*, GdkEvent*);
1563         void point_trim (GdkEvent*);
1564         void trim_motion_callback (ArdourCanvas::Item*, 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 (ArdourCanvas::Item*, 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         bool edit_menu_map_handler (GdkEventAny*);
1675
1676         jack_nframes_t event_frame (GdkEvent*, double* px = 0, double* py = 0);
1677
1678         void time_fx_motion (ArdourCanvas::Item*, GdkEvent*);
1679         void start_time_fx (ArdourCanvas::Item*, GdkEvent*);
1680         void end_time_fx (ArdourCanvas::Item*, 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::Window* w);
1724         void reattach_tearoff (Gtk::Box* b, Gtk::Window* 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(ArdourCanvas::Item*, GdkEvent*) ;
1739         void start_markerview_grab(ArdourCanvas::Item*, GdkEvent*) ;
1740
1741         void imageframe_drag_motion_callback(ArdourCanvas::Item*, GdkEvent*) ;
1742         void markerview_drag_motion_callback(ArdourCanvas::Item*, GdkEvent*) ;
1743         void timeaxis_item_drag_finished_callback(ArdourCanvas::Item*, GdkEvent*) ;
1744
1745         gint canvas_imageframe_item_view_event(ArdourCanvas::Item* item, GdkEvent* event, ImageFrameView* ifv);
1746         gint canvas_imageframe_view_event(ArdourCanvas::Item* item, GdkEvent* event, ImageFrameTimeAxis* ifta);
1747         gint canvas_imageframe_start_handle_event(ArdourCanvas::Item* item, GdkEvent* event, ImageFrameView* ifv);
1748         gint canvas_imageframe_end_handle_event(ArdourCanvas::Item* item, GdkEvent* event, ImageFrameView* ifv);
1749
1750         gint canvas_marker_time_axis_view_event(ArdourCanvas::Item* item, GdkEvent* event, MarkerTimeAxis* mta);
1751         gint canvas_markerview_item_view_event(ArdourCanvas::Item* item, GdkEvent* event, MarkerView* mv);
1752         gint canvas_markerview_start_handle_event(ArdourCanvas::Item* item, GdkEvent* event, MarkerView* mv);
1753         gint canvas_markerview_end_handle_event(ArdourCanvas::Item* item, GdkEvent* event, MarkerView* mv);
1754
1755         void imageframe_start_handle_op(ArdourCanvas::Item* item, GdkEvent* event) ;
1756         void imageframe_end_handle_op(ArdourCanvas::Item* item, GdkEvent* event) ;
1757         void imageframe_start_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event) ;
1758         void imageframe_start_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event) ;
1759         void imageframe_end_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event) ;
1760         void imageframe_end_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event) ;
1761         
1762         void markerview_item_start_handle_op(ArdourCanvas::Item* item, GdkEvent* event) ;
1763         void markerview_item_end_handle_op(ArdourCanvas::Item* item, GdkEvent* event) ;
1764         void markerview_start_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event) ;
1765         void markerview_start_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event) ;
1766         void markerview_end_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event) ;
1767         void markerview_end_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event) ;
1768
1769         void popup_imageframe_edit_menu(int button, int32_t time, ArdourCanvas::Item* ifv, bool with_frame) ;
1770         void popup_marker_time_axis_edit_menu(int button, int32_t time, ArdourCanvas::Item* 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__ */