black bg for meters, font fixups for startup message, new notebook widget (incomplete)
[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
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 (Gtk::Allocation&, Gtk::Paned*);
376
377         Gtk::Notebook the_notebook;
378         Gtk::HPaned   edit_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 (ArdourCanvas::Item&, GdkEvent*);
394         gint really_remove_marker (ARDOUR::Location* loc);
395
396         uint32_t location_marker_color;
397         uint32_t location_range_color;
398         uint32_t location_loop_color;
399         uint32_t location_punch_color;
400         uint32_t location_cd_marker_color;
401
402         struct LocationMarkers {
403             Marker* start;
404             Marker* end;
405
406             ~LocationMarkers ();
407
408             void hide();
409             void show ();
410             void set_name (const string&);
411             void set_position (jack_nframes_t start, jack_nframes_t end = 0);
412             void set_color_rgba (uint32_t);
413         };
414
415         LocationMarkers  *find_location_markers (ARDOUR::Location *);
416         ARDOUR::Location* find_location_from_marker (Marker *, bool& is_start);
417
418         typedef std::map<ARDOUR::Location*,LocationMarkers *> LocationMarkerMap;
419         LocationMarkerMap location_markers;
420
421         void hide_marker (ArdourCanvas::Item*, 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         bool 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         Gdk::Cursor*          current_canvas_cursor;
474
475         ArdourCanvas::CanvasAA track_canvas;
476         ArdourCanvas::CanvasAA time_canvas;
477
478         ArdourCanvas::Text* first_action_message;
479         ArdourCanvas::Text* verbose_canvas_cursor;
480         bool                 verbose_cursor_visible;
481
482         void session_control_changed (ARDOUR::Session::ControlType);
483         void queue_session_control_changed (ARDOUR::Session::ControlType);
484
485         
486         bool track_canvas_motion (GdkEvent*);
487
488         void set_verbose_canvas_cursor (string, double x, double y);
489         void set_verbose_canvas_cursor_text (string);
490         void show_verbose_canvas_cursor();
491         void hide_verbose_canvas_cursor();
492
493         bool verbose_cursor_on; // so far unused
494
495         void flush_track_canvas ();
496         void flush_time_canvas ();
497
498         Gtk::EventBox      time_canvas_event_box;
499         Gtk::EventBox      track_canvas_event_box;
500         Gtk::EventBox      time_button_event_box;
501
502         ArdourCanvas::Group      *minsec_group;
503         ArdourCanvas::Group      *bbt_group;
504         ArdourCanvas::Group      *smpte_group;
505         ArdourCanvas::Group      *frame_group;
506         ArdourCanvas::Group      *tempo_group;
507         ArdourCanvas::Group      *meter_group;
508         ArdourCanvas::Group      *marker_group;
509         ArdourCanvas::Group      *range_marker_group;
510         ArdourCanvas::Group      *transport_marker_group;
511         
512         enum {
513                 ruler_metric_smpte = 0,
514                 ruler_metric_bbt = 1,
515                 ruler_metric_frames = 2,
516                 ruler_metric_minsec = 3,
517
518                 ruler_time_tempo = 4,
519                 ruler_time_meter = 5,
520                 ruler_time_marker = 6,
521                 ruler_time_range_marker = 7,
522                 ruler_time_transport_marker = 8,
523         };
524
525         static GtkCustomMetric ruler_metrics[4];
526         bool                   ruler_shown[9];
527         bool                   no_ruler_shown_update;
528         
529         gint ruler_button_press (GdkEventButton*);
530         gint ruler_button_release (GdkEventButton*);
531         gint ruler_mouse_motion (GdkEventMotion*);
532
533         gint ruler_pressed_button;
534         Gtk::Widget * ruler_grabbed_widget;
535         
536         void initialize_rulers ();
537         void update_just_smpte ();
538         void update_fixed_rulers ();
539         void update_tempo_based_rulers (); 
540         void popup_ruler_menu (jack_nframes_t where = 0, ItemType type = RegionItem);
541         void update_ruler_visibility ();
542         void ruler_toggled (int);
543         gint ruler_label_button_release (GdkEventButton*);
544         void store_ruler_visibility ();
545         void restore_ruler_visibility ();
546         
547         static gint _metric_get_smpte (GtkCustomRulerMark **, gdouble, gdouble, gint);
548         static gint _metric_get_bbt (GtkCustomRulerMark **, gdouble, gdouble, gint);
549         static gint _metric_get_frames (GtkCustomRulerMark **, gdouble, gdouble, gint);
550         static gint _metric_get_minsec (GtkCustomRulerMark **, gdouble, gdouble, gint);
551         
552         gint metric_get_smpte (GtkCustomRulerMark **, gdouble, gdouble, gint);
553         gint metric_get_bbt (GtkCustomRulerMark **, gdouble, gdouble, gint);
554         gint metric_get_frames (GtkCustomRulerMark **, gdouble, gdouble, gint);
555         gint metric_get_minsec (GtkCustomRulerMark **, gdouble, gdouble, gint);
556
557         GtkWidget          *_smpte_ruler;
558         GtkWidget          *_bbt_ruler;
559         GtkWidget          *_frames_ruler;
560         GtkWidget          *_minsec_ruler;
561         Gtk::Widget        *smpte_ruler;
562         Gtk::Widget        *bbt_ruler;
563         Gtk::Widget        *frames_ruler;
564         Gtk::Widget        *minsec_ruler;
565         static Editor      *ruler_editor;
566
567         static const double timebar_height;
568         guint32 visible_timebars;
569         Gtk::Menu          *editor_ruler_menu;
570         
571         ArdourCanvas::SimpleRect* tempo_bar;
572         ArdourCanvas::SimpleRect* meter_bar;
573         ArdourCanvas::SimpleRect* marker_bar;
574         ArdourCanvas::SimpleRect* range_marker_bar;
575         ArdourCanvas::SimpleRect* transport_marker_bar;
576
577         
578         ArdourCanvas::SimpleLine* tempo_line;
579         ArdourCanvas::SimpleLine* meter_line;
580         ArdourCanvas::SimpleLine* marker_line;
581         ArdourCanvas::SimpleLine* range_marker_line;
582         ArdourCanvas::SimpleLine* transport_marker_line;
583
584         Gtk::Label  minsec_label;
585         Gtk::Label  bbt_label;
586         Gtk::Label  smpte_label;
587         Gtk::Label  frame_label;
588         Gtk::Label  tempo_label;
589         Gtk::Label  meter_label;
590         Gtk::Label  mark_label;
591         Gtk::Label  range_mark_label;
592         Gtk::Label  transport_mark_label;
593         
594
595         Gtk::VBox          time_button_vbox;
596         Gtk::HBox          time_button_hbox;
597
598         struct Cursor {
599             Editor&               editor;
600             ArdourCanvas::Points  points;
601             ArdourCanvas::Line    canvas_item;
602             jack_nframes_t        current_frame;
603             double                length;
604
605             Cursor (Editor&, const string& color, bool (Editor::*)(GdkEvent*,ArdourCanvas::Item*));
606             ~Cursor ();
607
608             void set_position (jack_nframes_t);
609             void set_length (double units);
610             void set_y_axis (double position);
611         };
612
613         friend struct Cursor; /* it needs access to several private
614                                  fields. XXX fix me.
615                               */
616
617         Cursor* playhead_cursor;
618         Cursor* edit_cursor;
619         ArdourCanvas::Group* cursor_group;
620
621         void    cursor_to_next_region_point (Cursor*, ARDOUR::RegionPoint);
622         void    cursor_to_previous_region_point (Cursor*, ARDOUR::RegionPoint);
623         void    cursor_to_region_point (Cursor*, ARDOUR::RegionPoint, int32_t dir);
624         void    cursor_to_selection_start (Cursor *);
625         void    cursor_to_selection_end   (Cursor *);
626
627         ARDOUR::Region* find_next_region (jack_nframes_t, ARDOUR::RegionPoint, int32_t dir, TrackViewList&, TimeAxisView ** = 0);
628
629         vector<jack_nframes_t> region_boundary_cache;
630         void build_region_boundary_cache ();
631
632         Gtk::VBox           trackview_vpacker;
633
634         Gtk::HBox           top_hbox;
635         Gtk::HBox           bottom_hbox;
636         
637         Gtk::Table          edit_packer;
638         Gtk::Frame          edit_frame;
639         Gtk::VScrollbar     edit_vscrollbar;
640
641         /* the horizontal scroller works in a rather different way
642            than a regular scrollbar, since its used for
643            zoom control/indication as well. But more importantly,
644            its different components (slider, left arrow, right arrow) 
645            have to be packed separately into the edit_packer.
646         */
647
648         Gtk::HScrollbar     edit_hscrollbar;
649         Gtk::DrawingArea    edit_hscroll_slider;
650         Gtk::Arrow          edit_hscroll_left_arrow;
651         Gtk::Arrow          edit_hscroll_right_arrow;
652         Gtk::EventBox       edit_hscroll_left_arrow_event;
653         Gtk::EventBox       edit_hscroll_right_arrow_event;
654         gint                edit_hscroll_slider_width;
655         gint                edit_hscroll_slider_height;
656         static const gint   edit_hscroll_edge_width = 3;
657         bool                edit_hscroll_dragging;
658         double              edit_hscroll_drag_last;
659         
660         void hscroll_slider_allocate (Gtk::Allocation &);
661         gint hscroll_slider_expose (GdkEventExpose*);
662         gint hscroll_slider_button_press (GdkEventButton*);
663         gint hscroll_slider_button_release (GdkEventButton*);
664         gint hscroll_slider_motion (GdkEventMotion*);
665
666         gint hscroll_trough_expose (GdkEventExpose*);
667         gint hscroll_trough_button_press (GdkEventButton*);
668         gint hscroll_trough_button_release (GdkEventButton*);
669
670         void update_hscroller ();
671
672         gint hscroll_left_arrow_button_press (GdkEventButton *);
673         gint hscroll_left_arrow_button_release (GdkEventButton *);
674         gint hscroll_right_arrow_button_press (GdkEventButton *);
675         gint hscroll_right_arrow_button_release (GdkEventButton *);
676         
677         double canvas_width;
678         double canvas_height;
679
680         Gtk::ScrolledWindow  track_canvas_scroller;
681         Gtk::ScrolledWindow  time_canvas_scroller;
682         Gtk::ScrolledWindow  edit_controls_scroller;
683
684         bool track_canvas_map_handler (GdkEventAny*);
685         bool time_canvas_map_handler (GdkEventAny*);
686
687         gint edit_controls_button_release (GdkEventButton*);
688         Gtk::Menu *edit_controls_left_menu;
689         Gtk::Menu *edit_controls_right_menu;
690
691         void track_canvas_scroller_realized ();
692         void time_canvas_scroller_realized ();
693
694         Gtk::VBox           track_canvas_vbox;
695         Gtk::VBox           time_canvas_vbox;
696         Gtk::VBox           edit_controls_vbox;
697         Gtk::HBox           edit_controls_hbox;
698
699         void tie_vertical_scrolling ();
700         void canvas_horizontally_scrolled ();
701         void reposition_and_zoom (jack_nframes_t sample, double fpu);
702         gint deferred_reposition_and_zoom (jack_nframes_t sample, double fpu);
703         void end_location_changed (ARDOUR::Location*);
704         bool repos_zoom_queued;
705         bool no_zoom_repos_update;
706         bool no_tempo_map_update;
707
708         struct RegionListDisplayModelColumns : public Gtk::TreeModel::ColumnRecord {
709             RegionListDisplayModelColumns() {
710                     add (name);
711                     add (region);
712             }
713             Gtk::TreeModelColumn<Glib::ustring> name;
714             Gtk::TreeModelColumn<ARDOUR::Region*> region;
715         };
716             
717         RegionListDisplayModelColumns    region_list_columns;
718         Gtk::TreeView                    region_list_display;
719         Glib::RefPtr<Gtk::TreeStore>     region_list_model;
720         Glib::RefPtr<Gtk::TreeModelSort> region_list_sort_model;
721         Glib::RefPtr<Gtk::Action>        toggle_full_region_list_action;
722
723         void region_list_selection_changed ();
724
725         Gtk::Menu          *region_list_menu;
726         Gtk::ScrolledWindow region_list_scroller;
727         Gtk::Frame          region_list_frame;
728
729         bool region_list_display_key_press (GdkEventKey *);
730         bool region_list_display_key_release (GdkEventKey *);
731         bool region_list_display_button_press (GdkEventButton *);
732         bool region_list_display_button_release (GdkEventButton *);
733         void region_list_clear ();
734         void region_list_selection_mapover (sigc::slot<void,ARDOUR::Region&>);
735         void build_region_list_menu ();
736
737         Gtk::CheckMenuItem* toggle_auto_regions_item;
738         Gtk::CheckMenuItem* toggle_full_region_list_item;
739
740         Gtk::MenuItem* import_audio_item;
741         Gtk::MenuItem* embed_audio_item;
742
743         bool show_automatic_regions_in_region_list;
744         Editing::RegionListSortType region_list_sort_type;
745
746         void reset_region_list_sort_direction (bool);
747         void reset_region_list_sort_type (Editing::RegionListSortType);
748
749         void toggle_full_region_list ();
750         void toggle_show_auto_regions ();
751
752         int region_list_sorter (Gtk::TreeModel::iterator, Gtk::TreeModel::iterator);
753
754         /* named selections */
755
756         struct NamedSelectionDisplayModelColumns : public Gtk::TreeModel::ColumnRecord {
757             NamedSelectionDisplayModelColumns() { 
758                     add (text);
759                     add (selection);
760             }
761             Gtk::TreeModelColumn<Glib::ustring>  text;
762             Gtk::TreeModelColumn<ARDOUR::NamedSelection*>    selection;
763         };
764
765         NamedSelectionDisplayModelColumns named_selection_columns;
766         Glib::RefPtr<Gtk::TreeStore>     named_selection_model;
767
768         Gtk::TreeView          named_selection_display;
769         Gtk::ScrolledWindow named_selection_scroller;
770
771         void name_selection();
772         void named_selection_name_chosen ();
773         void create_named_selection (string);
774         void paste_named_selection (float times);
775
776         void handle_new_named_selection ();
777         void add_named_selection_to_named_selection_display (ARDOUR::NamedSelection&);
778         void redisplay_named_selections ();
779
780         gint named_selection_display_button_press (GdkEventButton *ev);
781         void named_selection_display_selection_changed ();
782
783         /* track views */
784         int track_spacing;
785         TrackViewList  track_views;
786         TimeAxisView     *trackview_by_y_position (double ypos);
787
788         static Gdk::Cursor* cross_hair_cursor;
789         static Gdk::Cursor* trimmer_cursor;
790         static Gdk::Cursor* selector_cursor;
791         static Gdk::Cursor* grabber_cursor;
792         static Gdk::Cursor* zoom_cursor;
793         static Gdk::Cursor* time_fx_cursor;
794         static Gdk::Cursor* fader_cursor;
795         static Gdk::Cursor* speaker_cursor;
796         static Gdk::Cursor* wait_cursor;
797         static Gdk::Cursor* timebar_cursor;
798
799         static void build_cursors ();
800
801         sigc::connection scroll_connection;
802         jack_nframes_t last_update_frame;
803         void center_screen (jack_nframes_t);
804         void center_screen_internal (jack_nframes_t, float);
805         
806         void update_current_screen ();
807         sigc::connection slower_update_connection;
808         void update_slower ();
809         
810         gint show_track_context_menu (GdkEventButton *);
811         void hide_track_context_menu ();
812
813         void session_going_away ();
814
815         jack_nframes_t cut_buffer_start;
816         jack_nframes_t cut_buffer_length;
817
818         bool typed_event (ArdourCanvas::Item*, GdkEvent*, ItemType);
819         bool button_press_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
820         bool button_release_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
821         bool motion_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
822         bool enter_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
823         bool leave_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
824         
825         /* KEYMAP HANDLING */
826
827         void register_actions ();
828
829         int ensure_cursor (jack_nframes_t* pos);
830
831         void fake_handle_new_audio_region (ARDOUR::AudioRegion *);
832         void handle_new_audio_region (ARDOUR::AudioRegion *);
833         void fake_handle_audio_region_removed (ARDOUR::AudioRegion *);
834         void handle_audio_region_removed (ARDOUR::AudioRegion *);
835         void add_audio_region_to_region_display (ARDOUR::AudioRegion *);
836         void region_hidden (ARDOUR::Region*);
837         void redisplay_regions ();
838         void insert_into_tmp_audio_regionlist(ARDOUR::AudioRegion *);
839
840         list<ARDOUR::AudioRegion *> tmp_audio_region_list;
841
842         void cut_copy (Editing::CutCopyOp);
843         void cut_copy_points (Editing::CutCopyOp);
844         void cut_copy_regions (Editing::CutCopyOp);
845         void cut_copy_ranges (Editing::CutCopyOp);
846
847         void mouse_paste ();
848         void paste_internal (jack_nframes_t position, float times);
849
850         /* EDITING OPERATIONS */
851         
852         void toggle_region_mute ();
853         void toggle_region_opaque ();
854         void raise_region ();
855         void raise_region_to_top ();
856         void lower_region ();
857         void lower_region_to_bottom ();
858         void split_region ();
859         void split_region_at (jack_nframes_t);
860         void split_regions_at (jack_nframes_t, AudioRegionSelection&);
861         void crop_region_to_selection ();
862         void set_region_sync_from_edit_cursor ();
863         void remove_region_sync();
864         void align_selection (ARDOUR::RegionPoint, jack_nframes_t position);
865         void align_selection_relative (ARDOUR::RegionPoint point, jack_nframes_t position);
866         void align_region (ARDOUR::Region&, ARDOUR::RegionPoint point, jack_nframes_t position);
867         void align_region_internal (ARDOUR::Region&, ARDOUR::RegionPoint point, jack_nframes_t position);
868         void remove_some_regions ();
869         void remove_clicked_region ();
870         void destroy_clicked_region ();
871         void edit_region ();
872         void duplicate_some_regions (AudioRegionSelection&, float times);
873         void duplicate_selection (float times);
874         void region_fill_selection ();
875
876         void region_fill_track ();
877         void audition_playlist_region_standalone (ARDOUR::AudioRegion&);
878         void audition_playlist_region_via_route (ARDOUR::AudioRegion&, ARDOUR::Route&);
879         void split_multichannel_region();
880         void reverse_region ();
881         void normalize_region ();
882         void denormalize_region ();
883
884         void audition_region_from_region_list ();
885         void hide_region_from_region_list ();
886         void remove_region_from_region_list ();
887
888         void align (ARDOUR::RegionPoint);
889         void align_relative (ARDOUR::RegionPoint);
890         void naturalize ();
891
892         void cut ();
893         void copy ();
894         void paste (float times);
895
896         int  get_prefix (float&, bool&);
897
898         void keyboard_paste ();
899         void keyboard_duplicate_region ();
900         void keyboard_duplicate_selection ();
901         void keyboard_nudge ();
902         void keyboard_insert_region_list_selection ();
903
904         void region_from_selection ();
905         void create_region_from_selection (std::vector<ARDOUR::AudioRegion*>&);
906
907         bool region_renamed;
908         void rename_region ();
909         void rename_region_finished (bool);
910
911         void play_from_start ();
912         void play_from_edit_cursor ();
913         void play_selected_region ();
914         void audition_selected_region ();
915         void toggle_loop_playback ();
916         void loop_selected_region ();
917         void play_location (ARDOUR::Location&);
918         void loop_location (ARDOUR::Location&);
919
920         Editing::ZoomFocus zoom_focus;
921
922         void temporal_zoom_selection ();
923         void temporal_zoom_session ();
924         void temporal_zoom (gdouble scale);
925         void temporal_zoom_by_frame (jack_nframes_t start, jack_nframes_t end, string op);
926         void temporal_zoom_to_frame (bool coarser, jack_nframes_t frame);
927
928         void amplitude_zoom (gdouble scale);
929         void amplitude_zoom_step (bool in);
930
931         void insert_region_list_drag (ARDOUR::AudioRegion&);
932         void insert_region_list_selection (float times);
933
934         void insert_sndfile (bool as_tracks);
935         void embed_audio ();    // inserts into region list
936         int  reject_because_rate_differs (string path, SF_INFO& finfo, string action, bool multiple_pending);
937
938         void do_embed_sndfiles (vector<string> paths, bool split);
939         void embed_sndfile (string path, bool split, bool multiple_files, bool& check_sr);
940
941         void do_insert_sndfile (vector<string> path, bool multi, jack_nframes_t frame);
942         void insert_paths_as_new_tracks (std::vector<std::string> paths, bool multi); // inserts files as new tracks
943         void insert_sndfile_into (string path, bool multi, AudioTimeAxisView* tv, jack_nframes_t& frame, bool prompt=true);
944         static void* _insert_sndfile_thread (void*);
945         void*  insert_sndfile_thread (void*);
946
947         /* generic interthread progress window */
948         
949         ArdourDialog* interthread_progress_window;
950         Gtk::Label interthread_progress_label;
951         Gtk::VBox interthread_progress_vbox;
952         Gtk::ProgressBar interthread_progress_bar;
953         Gtk::Button interthread_cancel_button;
954         Gtk::Label interthread_cancel_label;
955         sigc::connection  interthread_progress_connection;
956         void interthread_cancel_clicked ();
957         void build_interthread_progress_window ();
958         ARDOUR::InterThreadInfo* current_interthread_info;
959
960         /* import specific info */
961
962         ARDOUR::Session::import_status import_status;
963         gint import_progress_timeout (void *);
964         static void *_import_thread (void *);
965         void* import_thread ();
966         void catch_new_audio_region (ARDOUR::AudioRegion*);
967         ARDOUR::AudioRegion* last_audio_region;
968
969         /* to support this ... */
970
971         void import_audio (bool as_tracks);
972         void do_import (vector<string> paths, bool split, bool as_tracks);
973
974         void move_to_start ();
975         void move_to_end ();
976         void goto_frame ();
977         void center_playhead ();
978         void center_edit_cursor ();
979         void edit_cursor_backward ();
980         void edit_cursor_forward ();
981         void playhead_backward ();
982         void playhead_forward ();
983         void scroll_backward (float pages=0.8f);
984         void scroll_forward (float pages=0.8f);
985         void scroll_tracks_down ();
986         void scroll_tracks_up ();
987         void delete_sample_forward ();
988         void delete_sample_backward ();
989         void delete_screen ();
990         void search_backwards ();
991         void search_forwards ();
992         void set_mark ();
993         void clear_markers ();
994         void clear_ranges ();
995         void clear_locations ();
996         void jump_forward_to_mark ();
997         void jump_backward_to_mark ();
998         void cursor_align (bool playhead_to_edit);
999
1000         void remove_last_capture ();
1001
1002         void set_selection_from_range (ARDOUR::Location&);
1003         void set_selection_from_punch ();
1004         void set_selection_from_loop ();
1005
1006         void add_location_from_selection ();
1007         void set_route_loop_selection ();
1008
1009         void add_location_from_playhead_cursor ();
1010
1011         void reverse_selection ();
1012         void edit_envelope ();
1013
1014         void start_scrolling ();
1015         void stop_scrolling ();
1016
1017         void keyboard_selection_begin ();
1018         void keyboard_selection_finish (bool add);
1019         bool have_pending_keyboard_selection;
1020         jack_nframes_t pending_keyboard_selection_start;
1021
1022         ARDOUR::AudioRegion* select_region_for_operation (int dir, TimeAxisView **tv);
1023         void extend_selection_to_end_of_region (bool next);
1024         void extend_selection_to_start_of_region (bool previous);
1025
1026         Editing::SnapType snap_type;
1027         Editing::SnapMode snap_mode;
1028         double snap_threshold;
1029
1030         void soundfile_chosen_for_insert (string selection, bool split_channels);
1031         void soundfile_chosen_for_embed (string selection, bool split_channels);
1032         void soundfile_chosen_for_import (string selection, bool split_channels);
1033
1034         void handle_gui_changes (string, void *);
1035
1036         void    hide_all_tracks (bool with_select);
1037
1038         void route_display_selection_changed ();
1039         void redisplay_route_list();
1040         gint route_list_reordered ();
1041         bool ignore_route_list_reorder;
1042         void queue_route_list_reordered ();
1043
1044         struct DragInfo {
1045           ArdourCanvas::Item* item;
1046             void* data;
1047             jack_nframes_t last_frame_position;
1048             int32_t pointer_frame_offset;
1049             jack_nframes_t grab_frame;
1050             jack_nframes_t last_pointer_frame;
1051             jack_nframes_t current_pointer_frame;
1052             double grab_x, grab_y;
1053             double cumulative_x_drag;
1054             double cumulative_y_drag;
1055             double current_pointer_x;
1056             double current_pointer_y;
1057           void (Editor::*motion_callback)(ArdourCanvas::Item*, GdkEvent*);
1058           void (Editor::*finished_callback)(ArdourCanvas::Item*, GdkEvent*);
1059             TimeAxisView* last_trackview;
1060             bool x_constrained;
1061             bool copy;
1062             bool was_rolling;
1063             bool first_move;
1064             bool move_threshold_passsed;
1065             bool want_move_threshold;
1066             bool brushing;
1067             ARDOUR::Location* copied_location;
1068         } drag_info;
1069
1070         struct LineDragInfo {
1071             uint32_t before;
1072             uint32_t after;
1073         };
1074
1075         LineDragInfo current_line_drag_info;
1076
1077         void start_grab (GdkEvent*, Gdk::Cursor* cursor = 0);
1078         bool end_grab (ArdourCanvas::Item*, GdkEvent*);
1079
1080         Gtk::Menu fade_context_menu;
1081         void popup_fade_context_menu (int, int, ArdourCanvas::Item*, ItemType);
1082
1083         void start_fade_in_grab (ArdourCanvas::Item*, GdkEvent*);
1084         void start_fade_out_grab (ArdourCanvas::Item*, GdkEvent*);
1085         void fade_in_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1086         void fade_out_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1087         void fade_in_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1088         void fade_out_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1089         
1090         std::set<ARDOUR::Playlist*> motion_frozen_playlists;
1091         void region_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1092         void region_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1093         void region_copy_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1094
1095         void cursor_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1096         void cursor_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1097         void marker_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1098         void marker_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1099         void control_point_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1100         void control_point_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1101         void line_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1102         void line_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1103
1104         void tempo_marker_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1105         void tempo_marker_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1106         void meter_marker_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1107         void meter_marker_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1108
1109         gint mouse_rename_region (ArdourCanvas::Item*, GdkEvent*);
1110
1111         void start_region_grab (ArdourCanvas::Item*, GdkEvent*);
1112         void start_region_copy_grab (ArdourCanvas::Item*, GdkEvent*);
1113         void start_region_brush_grab (ArdourCanvas::Item*, GdkEvent*);
1114         void start_selection_grab (ArdourCanvas::Item*, GdkEvent*);
1115         void start_cursor_grab (ArdourCanvas::Item*, GdkEvent*);
1116         void start_marker_grab (ArdourCanvas::Item*, GdkEvent*);
1117         void start_control_point_grab (ArdourCanvas::Item*, GdkEvent*);
1118         void start_line_grab_from_regionview (ArdourCanvas::Item*, GdkEvent*);
1119         void start_line_grab_from_line (ArdourCanvas::Item*, GdkEvent*);
1120         void start_line_grab (AutomationLine *, GdkEvent*);
1121         void start_tempo_marker_grab (ArdourCanvas::Item*, GdkEvent*);
1122         void start_meter_marker_grab (ArdourCanvas::Item*, GdkEvent*);
1123
1124         void region_view_item_click (AudioRegionView&, GdkEventButton*);
1125
1126         void remove_gain_control_point (ArdourCanvas::Item*, GdkEvent*);
1127         void remove_control_point (ArdourCanvas::Item*, GdkEvent*);
1128
1129         void mouse_brush_insert_region (AudioRegionView*, jack_nframes_t pos);
1130         void brush (jack_nframes_t);
1131
1132         void show_verbose_time_cursor (jack_nframes_t frame, double offset = 0, double xpos=-1, double ypos=-1);
1133         void show_verbose_duration_cursor (jack_nframes_t start, jack_nframes_t end, double offset = 0, double xpos=-1, double ypos=-1);
1134
1135         /* Canvas event handlers */
1136
1137         // FIXED FOR GTK2
1138
1139
1140         bool canvas_control_point_event (GdkEvent* event,ArdourCanvas::Item*, ControlPoint*);
1141         bool canvas_line_event (GdkEvent* event,ArdourCanvas::Item*, AutomationLine*);
1142         bool canvas_selection_rect_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1143         bool canvas_selection_start_trim_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1144         bool canvas_selection_end_trim_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1145         bool canvas_crossfade_view_event (GdkEvent* event,ArdourCanvas::Item*, CrossfadeView*);
1146         bool canvas_fade_in_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1147         bool canvas_fade_in_handle_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1148         bool canvas_fade_out_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1149         bool canvas_fade_out_handle_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1150         bool canvas_region_view_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1151         bool canvas_region_view_name_highlight_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1152         bool canvas_region_view_name_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1153         bool canvas_stream_view_event (GdkEvent* event,ArdourCanvas::Item*, AudioTimeAxisView*);
1154         bool canvas_marker_event (GdkEvent* event,ArdourCanvas::Item*, Marker*);
1155         bool canvas_zoom_rect_event (GdkEvent* event,ArdourCanvas::Item*);
1156         bool canvas_tempo_marker_event (GdkEvent* event,ArdourCanvas::Item*, TempoMarker*);
1157         bool canvas_meter_marker_event (GdkEvent* event,ArdourCanvas::Item*, MeterMarker*);
1158         bool canvas_automation_track_event(GdkEvent* event, ArdourCanvas::Item*, AutomationTimeAxisView*) ;
1159
1160         bool canvas_tempo_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1161         bool canvas_meter_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1162         bool canvas_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1163         bool canvas_range_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1164         bool canvas_transport_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1165
1166         bool canvas_imageframe_item_view_event(GdkEvent* event, ArdourCanvas::Item*,ImageFrameView*);
1167         bool canvas_imageframe_view_event(GdkEvent* event, ArdourCanvas::Item*,ImageFrameTimeAxis*);
1168         bool canvas_imageframe_start_handle_event(GdkEvent* event, ArdourCanvas::Item*,ImageFrameView*);
1169         bool canvas_imageframe_end_handle_event(GdkEvent* event, ArdourCanvas::Item*,ImageFrameView*);
1170         bool canvas_marker_time_axis_view_event(GdkEvent* event, ArdourCanvas::Item*,MarkerTimeAxis*);
1171         bool canvas_markerview_item_view_event(GdkEvent* event, ArdourCanvas::Item*,MarkerView*);
1172         bool canvas_markerview_start_handle_event(GdkEvent* event, ArdourCanvas::Item*,MarkerView*);
1173         bool canvas_markerview_end_handle_event(GdkEvent* event, ArdourCanvas::Item*,MarkerView*);
1174
1175         /* non-public event handlers */
1176
1177         bool canvas_playhead_cursor_event (GdkEvent* event, ArdourCanvas::Item*);
1178         bool canvas_edit_cursor_event (GdkEvent* event, ArdourCanvas::Item*);
1179         bool track_canvas_event (GdkEvent* event, ArdourCanvas::Item*);
1180
1181         bool track_canvas_button_press_event (GdkEventButton *);
1182         bool track_canvas_button_release_event (GdkEventButton *);
1183         
1184         void track_canvas_allocate (Gtk::Allocation alloc);
1185         void time_canvas_allocate (Gtk::Allocation alloc);
1186
1187         void set_edit_cursor (GdkEvent* event);
1188         void set_playhead_cursor (GdkEvent* event);
1189
1190         void kbd_driver (sigc::slot<void,GdkEvent*>, bool use_track_canvas = true, bool use_time_canvas = true, bool can_select = true);
1191         void kbd_set_playhead_cursor ();
1192         void kbd_set_edit_cursor ();
1193         void kbd_split ();
1194         void kbd_align (ARDOUR::RegionPoint);
1195         void kbd_align_relative (ARDOUR::RegionPoint);
1196         void kbd_brush ();
1197         void kbd_audition ();
1198
1199         void kbd_do_split (GdkEvent*);
1200         void kbd_do_align (GdkEvent*, ARDOUR::RegionPoint);
1201         void kbd_do_align_relative (GdkEvent*, ARDOUR::RegionPoint);
1202         void kbd_do_brush (GdkEvent*);
1203         void kbd_do_audition (GdkEvent*);
1204
1205         void fake_handle_new_duration ();
1206         void handle_new_duration ();
1207         void initialize_canvas ();
1208         void reset_scrolling_region (Gtk::Allocation* alloc = 0);
1209         void scroll_canvas ();
1210
1211         /* sub-event loop handling */
1212
1213         int32_t sub_event_loop_status;
1214         void run_sub_event_loop ();
1215         void finish_sub_event_loop (int status);
1216         gint finish_sub_event_loop_on_delete (GdkEventAny*, int32_t status);
1217         
1218         /* display control */
1219         
1220         bool _show_measures;
1221         bool _show_waveforms;
1222         bool _follow_playhead;
1223         bool _show_waveforms_recording;
1224         
1225         void add_bbt_marks (ARDOUR::TempoMap::BBTPointList&);
1226
1227         ARDOUR::TempoMap::BBTPointList *current_bbt_points;
1228         
1229         typedef vector<ArdourCanvas::SimpleLine*> TimeLineList;
1230         TimeLineList free_measure_lines;
1231         TimeLineList used_measure_lines;
1232
1233         ArdourCanvas::Group* time_line_group;
1234         ArdourCanvas::SimpleLine* get_time_line ();
1235         void hide_measures ();
1236         void draw_measures ();
1237         void draw_time_bars ();
1238
1239         void new_tempo_section ();
1240
1241         void mouse_add_new_tempo_event (jack_nframes_t where);
1242         void mouse_add_new_meter_event (jack_nframes_t where);
1243
1244         void remove_tempo_marker (ArdourCanvas::Item*);
1245         void remove_meter_marker (ArdourCanvas::Item*);
1246         gint real_remove_tempo_marker (ARDOUR::TempoSection*);
1247         gint real_remove_meter_marker (ARDOUR::MeterSection*);
1248         
1249         void edit_tempo_section (ARDOUR::TempoSection*);
1250         void edit_meter_section (ARDOUR::MeterSection*);
1251         void edit_tempo_marker (ArdourCanvas::Item*);
1252         void edit_meter_marker (ArdourCanvas::Item*);
1253         
1254         void marker_menu_edit ();
1255         void marker_menu_remove ();
1256         void marker_menu_rename ();
1257         void marker_menu_hide ();
1258         void marker_menu_loop_range ();
1259         void marker_menu_play_from ();
1260         void marker_menu_set_playhead ();
1261         void marker_menu_set_from_playhead ();
1262         void marker_menu_set_from_selection ();
1263         void new_transport_marker_menu_set_loop ();
1264         void new_transport_marker_menu_set_punch ();
1265         void update_loop_range_view (bool visibility=false);
1266         void update_punch_range_view (bool visibility=false);
1267         gint new_transport_marker_menu_popdown (GdkEventAny*);
1268         void marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1269         void tm_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1270         void transport_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1271         void new_transport_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1272         void build_marker_menu ();
1273         void build_tm_marker_menu ();
1274         void build_transport_marker_menu ();
1275         void build_new_transport_marker_menu ();
1276
1277         Gtk::Menu* tm_marker_menu;
1278         Gtk::Menu* marker_menu;
1279         Gtk::Menu* transport_marker_menu;
1280         Gtk::Menu* new_transport_marker_menu;
1281         ArdourCanvas::Item* marker_menu_item;
1282
1283         typedef list<Marker*> Marks;
1284         Marks metric_marks;
1285
1286         void remove_metric_marks ();
1287         void draw_metric_marks (const ARDOUR::Metrics& metrics);
1288
1289         void tempo_map_changed (ARDOUR::Change);
1290         void redisplay_tempo ();
1291         
1292         void snap_to (jack_nframes_t& first, int32_t direction = 0, bool for_mark = false);
1293         uint32_t bbt_beat_subdivision;
1294
1295         /* toolbar */
1296         
1297         Gtk::ToggleButton        editor_mixer_button;
1298
1299         void editor_mixer_button_toggled ();
1300
1301         AudioClock               selection_start_clock;
1302         Gtk::Label               selection_start_clock_label;
1303         AudioClock               selection_end_clock;
1304         Gtk::Label               selection_end_clock_label;
1305         AudioClock               edit_cursor_clock;
1306         Gtk::Label               edit_cursor_clock_label;
1307         AudioClock               zoom_range_clock;
1308         Gtk::Button              zoom_in_button;
1309         Gtk::Button              zoom_out_button;
1310         Gtk::Button              zoom_out_full_button;
1311         Gtk::Button              zoom_onetoone_button;
1312
1313         Gtk::VBox                toolbar_clock_vbox;
1314         Gtk::VBox                toolbar_selection_clock_vbox; 
1315         Gtk::Table               toolbar_selection_clock_table;
1316         Gtk::Label               toolbar_selection_cursor_label;
1317         
1318         Gtk::Table               mouse_mode_button_table;
1319         Gtkmm2ext::TearOff*       mouse_mode_tearoff;
1320         Gtk::ToggleButton        mouse_select_button;
1321         Gtk::ToggleButton        mouse_move_button;
1322         Gtk::ToggleButton        mouse_gain_button;
1323         Gtk::ToggleButton        mouse_zoom_button;
1324         Gtk::ToggleButton        mouse_timefx_button;
1325         Gtk::ToggleButton        mouse_audition_button;
1326         GroupedButtons          *mouse_mode_button_set;
1327         void                     mouse_mode_toggled (Editing::MouseMode m);
1328         bool                     ignore_mouse_mode_toggle;
1329
1330         gint                     mouse_select_button_release (GdkEventButton*);
1331
1332         Gtk::VBox                automation_box;
1333         Gtk::Button              automation_mode_button;
1334         Gtk::ToggleButton        global_automation_button;
1335
1336         Gtk::ComboBoxText edit_mode_selector;
1337         Gtk::Label               edit_mode_label;
1338         Gtk::VBox                edit_mode_box;
1339
1340         void edit_mode_selection_done ();
1341
1342         Gtk::ComboBoxText snap_type_selector;
1343         Gtk::Label               snap_type_label;
1344         Gtk::VBox                snap_type_box;
1345
1346         void snap_type_selection_done ();
1347
1348         Gtk::ComboBoxText               snap_mode_selector;
1349         Gtk::Label               snap_mode_label;
1350         Gtk::VBox                snap_mode_box;
1351
1352         void snap_mode_selection_done ();
1353         
1354         Gtk::ComboBoxText zoom_focus_selector;
1355         Gtk::Label               zoom_focus_label;
1356         Gtk::VBox                zoom_focus_box;
1357         
1358         void zoom_focus_selection_done ();
1359
1360         Gtk::Label          zoom_indicator_label;
1361         Gtk::HBox           zoom_indicator_box;
1362         Gtk::VBox           zoom_indicator_vbox;
1363
1364         void                update_zoom_indicator ();
1365         void                zoom_adjustment_changed();
1366
1367         void                edit_cursor_clock_changed();
1368         
1369         void setup_toolbar ();
1370
1371         Gtkmm2ext::TearOff*       tools_tearoff;
1372         Gtk::HBox                toolbar_hbox;
1373         Gtk::EventBox            toolbar_base;
1374         Gtk::Frame               toolbar_frame;
1375
1376         /* selection process */
1377
1378         Selection* selection;
1379         Selection* cut_buffer;
1380
1381         void time_selection_changed ();
1382         void track_selection_changed ();
1383         void region_selection_changed ();
1384         void point_selection_changed ();
1385         void audio_track_selection_changed ();
1386         void line_selection_changed ();
1387
1388         enum SelectionOp {
1389                 CreateSelection,
1390                 SelectionStartTrim,
1391                 SelectionEndTrim,
1392                 SelectionMove
1393         } selection_op;
1394
1395         void start_selection_op (ArdourCanvas::Item* item, GdkEvent* event, SelectionOp);
1396         void drag_selection (ArdourCanvas::Item* item, GdkEvent* event);
1397         void end_selection_op (ArdourCanvas::Item* item, GdkEvent* event);
1398         void cancel_selection ();
1399
1400         void region_selection_op (void (ARDOUR::Region::*pmf)(void));
1401         void region_selection_op (void (ARDOUR::Region::*pmf)(void*), void*);
1402         void region_selection_op (void (ARDOUR::Region::*pmf)(bool), bool);
1403
1404         bool audio_region_selection_covers (jack_nframes_t where);
1405
1406         /* transport range select process */
1407         enum RangeMarkerOp {
1408                 CreateRangeMarker,
1409                 CreateTransportMarker
1410         } range_marker_op;
1411
1412         void start_range_markerbar_op (ArdourCanvas::Item* item, GdkEvent* event, RangeMarkerOp);
1413         void drag_range_markerbar_op (ArdourCanvas::Item* item, GdkEvent* event);
1414         void end_range_markerbar_op (ArdourCanvas::Item* item, GdkEvent* event);
1415
1416         ArdourCanvas::SimpleRect*  range_bar_drag_rect;
1417         ArdourCanvas::SimpleRect*  transport_bar_drag_rect;
1418         ArdourCanvas::Line*        marker_drag_line;
1419         ArdourCanvas::Points       marker_drag_line_points;
1420         ArdourCanvas::SimpleRect*  range_marker_drag_rect;
1421
1422         void update_marker_drag_item (ARDOUR::Location *);
1423         
1424         ArdourCanvas::SimpleRect     *transport_bar_range_rect;
1425         ArdourCanvas::SimpleRect     *transport_bar_preroll_rect;
1426         ArdourCanvas::SimpleRect     *transport_bar_postroll_rect;
1427         ArdourCanvas::SimpleRect     *transport_loop_range_rect;
1428         ArdourCanvas::SimpleRect     *transport_punch_range_rect;
1429         ArdourCanvas::SimpleLine     *transport_punchin_line;
1430         ArdourCanvas::SimpleLine     *transport_punchout_line;
1431         ArdourCanvas::SimpleRect     *transport_preroll_rect;
1432         ArdourCanvas::SimpleRect     *transport_postroll_rect;
1433
1434         ARDOUR::Location*  transport_loop_location();
1435         ARDOUR::Location*  transport_punch_location();
1436
1437         ARDOUR::Location   *temp_location;
1438         
1439         /* object rubberband select process */
1440         
1441         void start_rubberband_select (ArdourCanvas::Item* item, GdkEvent* event);
1442         void drag_rubberband_select (ArdourCanvas::Item* item, GdkEvent* event);
1443         void end_rubberband_select (ArdourCanvas::Item* item, GdkEvent* event);
1444
1445         bool select_all_within (jack_nframes_t start, jack_nframes_t end, gdouble topy, gdouble boty, bool add);
1446         
1447         ArdourCanvas::SimpleRect   *rubberband_rect;
1448         
1449         /* mouse zoom process */
1450
1451         void start_mouse_zoom (ArdourCanvas::Item* item, GdkEvent* event);
1452         void drag_mouse_zoom (ArdourCanvas::Item* item, GdkEvent* event);
1453         void end_mouse_zoom (ArdourCanvas::Item* item, GdkEvent* event);
1454
1455         ArdourCanvas::SimpleRect   *zoom_rect;
1456         void reposition_zoom_rect (jack_nframes_t start, jack_nframes_t end);
1457         
1458         /* diskstream/route display management */
1459
1460         struct RouteDisplayModelColumns : public Gtk::TreeModel::ColumnRecord {
1461             RouteDisplayModelColumns() { 
1462                     add (text);
1463                     add (tv);
1464             }
1465             Gtk::TreeModelColumn<Glib::ustring>  text;
1466             Gtk::TreeModelColumn<TimeAxisView*>    tv;
1467         };
1468
1469         RouteDisplayModelColumns    route_display_columns;
1470         Glib::RefPtr<Gtk::ListStore> route_display_model;
1471         Glib::RefPtr<Gtk::TreeSelection> route_display_selection;
1472
1473         gint route_list_compare_func (Gtk::TreeModel::iterator, Gtk::TreeModel::iterator);
1474         Gtk::TreeView          route_list; //GTK2FIX rename to route_display
1475         Gtk::ScrolledWindow route_list_scroller;
1476         Gtk::Menu          *route_list_menu;
1477
1478         void route_list_column_click ();
1479         void build_route_list_menu ();
1480         void select_all_routes ();
1481         void unselect_all_routes ();
1482         void select_all_audiotracks ();
1483         void unselect_all_audiotracks ();
1484         void select_all_audiobus ();
1485         void unselect_all_audiobus ();
1486
1487         /* edit group management */
1488
1489         struct GroupListModelColumns : public Gtk::TreeModel::ColumnRecord {
1490                 GroupListModelColumns () {
1491                        add (is_active);
1492                        add (text);
1493                        add (routegroup);
1494                 }
1495                 Gtk::TreeModelColumn<bool> is_active;
1496                 Gtk::TreeModelColumn<std::string> text;
1497                 Gtk::TreeModelColumn<ARDOUR::RouteGroup*>   routegroup;
1498         };
1499
1500         GroupListModelColumns group_columns;
1501         Glib::RefPtr<Gtk::ListStore> group_model;
1502         Glib::RefPtr<Gtk::TreeSelection> group_selection;
1503
1504         Gtk::Button         edit_group_list_button;
1505         Gtk::Label          edit_group_list_button_label;
1506         Gtk::TreeView       edit_group_list;
1507         Gtk::ScrolledWindow edit_group_list_scroller;
1508         Gtk::Menu          *edit_group_list_menu;
1509         Gtk::VBox           edit_group_vbox;
1510
1511         void edit_group_list_column_click (gint);
1512         void build_edit_group_list_menu ();
1513         void select_all_edit_groups ();
1514         void unselect_all_edit_groups ();
1515         void new_edit_group ();
1516         void edit_group_list_button_clicked ();
1517         gint edit_group_list_button_press_event (GdkEventButton* ev);
1518         void edit_group_selection_changed ();
1519         void fake_add_edit_group (ARDOUR::RouteGroup* group);
1520         void add_edit_group (ARDOUR::RouteGroup* group);
1521         void group_flags_changed (void*, ARDOUR::RouteGroup*);
1522
1523         Gtk::VBox           list_vpacker;
1524
1525         /* autoscrolling */
1526
1527         int autoscroll_timeout_tag;
1528         int autoscroll_direction;
1529         uint32_t autoscroll_cnt;
1530         jack_nframes_t autoscroll_distance;
1531      
1532         static gint _autoscroll_canvas (void *);
1533         gint autoscroll_canvas ();
1534         void start_canvas_autoscroll (int direction);
1535         void stop_canvas_autoscroll ();
1536         void maybe_autoscroll (GdkEvent*);
1537
1538         /* trimming */
1539         enum TrimOp {
1540                 StartTrim,
1541                 EndTrim,
1542                 ContentsTrim,
1543         } trim_op;
1544
1545         void start_trim (ArdourCanvas::Item*, GdkEvent*);
1546         void point_trim (GdkEvent*);
1547         void trim_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1548         void single_contents_trim (AudioRegionView&, jack_nframes_t, bool, bool, bool);
1549         void single_start_trim (AudioRegionView&, jack_nframes_t, bool, bool);
1550         void single_end_trim (AudioRegionView&, jack_nframes_t, bool, bool);
1551
1552         void trim_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1553         void thaw_region_after_trim (AudioRegionView& rv);
1554         
1555         void trim_region_to_edit_cursor ();
1556         void trim_region_from_edit_cursor ();
1557
1558         bool show_gain_after_trim;
1559
1560         /* Drag-n-Drop */
1561
1562         int convert_drop_to_paths (std::vector<std::string>& paths,
1563                                    GdkDragContext     *context,
1564                                    gint                x,
1565                                    gint                y,
1566                                    GtkSelectionData   *data,
1567                                    guint               info,
1568                                    guint               time);
1569
1570         void  track_canvas_drag_data_received  (GdkDragContext     *context,
1571                                                 gint                x,
1572                                                 gint                y,
1573                                                 GtkSelectionData   *data,
1574                                                 guint               info,
1575                                                 guint               time);
1576
1577         void  region_list_display_drag_data_received  (GdkDragContext     *context,
1578                                                        gint                x,
1579                                                        gint                y,
1580                                                        GtkSelectionData   *data,
1581                                                        guint               info,
1582                                                        guint               time);
1583         
1584         /* audio export */
1585
1586         ExportDialog *export_dialog;
1587         void export_range (jack_nframes_t start, jack_nframes_t end);
1588
1589         int write_region_selection(AudioRegionSelection&);
1590         bool write_region (string path, ARDOUR::AudioRegion&);
1591         void export_region ();
1592         void write_a_region ();
1593         void bounce_region_selection ();
1594         void bounce_range_selection ();
1595         void external_edit_region ();
1596
1597         int write_audio_selection (TimeSelection&);
1598         bool write_audio_range (ARDOUR::Playlist&, uint32_t channels, list<ARDOUR::AudioRange>&);
1599
1600         void write_selection ();
1601
1602         /* history */
1603
1604         UndoAction get_memento() const;
1605
1606         void begin_reversible_command (string cmd_name);
1607         void commit_reversible_command ();
1608
1609         /* visual history */
1610
1611         UndoHistory visual_history;
1612         UndoCommand current_visual_command;
1613
1614         void begin_reversible_visual_command (string cmd_name);
1615         void commit_reversible_visual_command ();
1616
1617         void update_title ();   
1618         void update_title_s (string snapshot_name);
1619
1620         struct State {
1621             Selection* selection;
1622             double     frames_per_unit;
1623
1624             State();
1625             ~State();
1626         };
1627
1628         void store_state (State&) const;
1629         void restore_state (State *);
1630
1631         void instant_save ();
1632
1633         ARDOUR::AudioRegion* last_audition_region;
1634         
1635         /* freeze operations */
1636
1637         ARDOUR::InterThreadInfo freeze_status;
1638         gint freeze_progress_timeout (void *);
1639         static void* _freeze_thread (void*);
1640         void* freeze_thread ();
1641
1642         void freeze_route ();
1643         void unfreeze_route ();
1644
1645         /* edit-group solo + mute */
1646
1647         void set_edit_group_solo (ARDOUR::Route&, bool);
1648         void set_edit_group_mute (ARDOUR::Route&, bool);
1649
1650         /* duplication */
1651
1652         void duplicate_dialog (bool for_region);
1653         
1654         /* edit menu */
1655
1656         Gtk::Menu* edit_menu;
1657         bool edit_menu_map_handler (GdkEventAny*);
1658
1659         jack_nframes_t event_frame (GdkEvent*, double* px = 0, double* py = 0);
1660
1661         void time_fx_motion (ArdourCanvas::Item*, GdkEvent*);
1662         void start_time_fx (ArdourCanvas::Item*, GdkEvent*);
1663         void end_time_fx (ArdourCanvas::Item*, GdkEvent*);
1664
1665         struct TimeStretchDialog : public ArdourDialog {
1666             ARDOUR::Session::TimeStretchRequest request;
1667             Editor&               editor;
1668             AudioRegionSelection  regions;
1669             Gtk::ProgressBar      progress_bar;
1670             Gtk::ToggleButton     quick_button;
1671             Gtk::ToggleButton     antialias_button;
1672             Gtk::Button           cancel_button;
1673             Gtk::Button           action_button;
1674             Gtk::HBox             lower_button_box;
1675             Gtk::HBox             upper_button_box;
1676             Gtk::VBox             packer;
1677             int                   status;
1678
1679             TimeStretchDialog (Editor& e);
1680
1681             gint update_progress ();
1682             sigc::connection first_cancel;
1683             sigc::connection first_delete;
1684             void cancel_timestretch_in_progress ();
1685             gint delete_timestretch_in_progress (GdkEventAny*);
1686         };
1687
1688         /* "whats mine is yours" */
1689
1690         friend class TimeStretchDialog;
1691
1692         TimeStretchDialog* current_timestretch;
1693
1694         static void* timestretch_thread (void *arg);
1695         int run_timestretch (AudioRegionSelection&, float fraction);
1696         void do_timestretch (TimeStretchDialog&);
1697
1698         /* editor-mixer strip */
1699
1700         MixerStrip *current_mixer_strip;
1701         Gtk::VBox current_mixer_strip_vbox;
1702         void cms_deleted ();
1703         void current_mixer_strip_hidden ();
1704         void current_mixer_strip_removed ();
1705
1706         void detach_tearoff (Gtk::Box* b, Gtk::Window* w);
1707         void reattach_tearoff (Gtk::Box* b, Gtk::Window* w, int32_t n);
1708
1709         /* nudging tracks */
1710
1711         void nudge_track (bool use_edit_cursor, bool forwards);
1712
1713         /* xfades */
1714
1715         bool _xfade_visibility;
1716         
1717         /* <CMT Additions> */
1718         void handle_new_imageframe_time_axis_view(std::string track_name, void* src) ;
1719         void handle_new_imageframe_marker_time_axis_view(std::string track_name, TimeAxisView* marked_track) ;
1720
1721         void start_imageframe_grab(ArdourCanvas::Item*, GdkEvent*) ;
1722         void start_markerview_grab(ArdourCanvas::Item*, GdkEvent*) ;
1723
1724         void imageframe_drag_motion_callback(ArdourCanvas::Item*, GdkEvent*) ;
1725         void markerview_drag_motion_callback(ArdourCanvas::Item*, GdkEvent*) ;
1726         void timeaxis_item_drag_finished_callback(ArdourCanvas::Item*, GdkEvent*) ;
1727
1728         gint canvas_imageframe_item_view_event(ArdourCanvas::Item* item, GdkEvent* event, ImageFrameView* ifv);
1729         gint canvas_imageframe_view_event(ArdourCanvas::Item* item, GdkEvent* event, ImageFrameTimeAxis* ifta);
1730         gint canvas_imageframe_start_handle_event(ArdourCanvas::Item* item, GdkEvent* event, ImageFrameView* ifv);
1731         gint canvas_imageframe_end_handle_event(ArdourCanvas::Item* item, GdkEvent* event, ImageFrameView* ifv);
1732
1733         gint canvas_marker_time_axis_view_event(ArdourCanvas::Item* item, GdkEvent* event, MarkerTimeAxis* mta);
1734         gint canvas_markerview_item_view_event(ArdourCanvas::Item* item, GdkEvent* event, MarkerView* mv);
1735         gint canvas_markerview_start_handle_event(ArdourCanvas::Item* item, GdkEvent* event, MarkerView* mv);
1736         gint canvas_markerview_end_handle_event(ArdourCanvas::Item* item, GdkEvent* event, MarkerView* mv);
1737
1738         void imageframe_start_handle_op(ArdourCanvas::Item* item, GdkEvent* event) ;
1739         void imageframe_end_handle_op(ArdourCanvas::Item* item, GdkEvent* event) ;
1740         void imageframe_start_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event) ;
1741         void imageframe_start_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event) ;
1742         void imageframe_end_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event) ;
1743         void imageframe_end_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event) ;
1744         
1745         void markerview_item_start_handle_op(ArdourCanvas::Item* item, GdkEvent* event) ;
1746         void markerview_item_end_handle_op(ArdourCanvas::Item* item, GdkEvent* event) ;
1747         void markerview_start_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event) ;
1748         void markerview_start_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event) ;
1749         void markerview_end_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event) ;
1750         void markerview_end_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event) ;
1751
1752         void popup_imageframe_edit_menu(int button, int32_t time, ArdourCanvas::Item* ifv, bool with_frame) ;
1753         void popup_marker_time_axis_edit_menu(int button, int32_t time, ArdourCanvas::Item* ifv, bool with_frame) ;
1754
1755         ImageFrameSocketHandler* image_socket_listener ;
1756         /* </CMT Additions> */
1757
1758         void toggle_xfade_active (ARDOUR::Crossfade*);
1759         void toggle_xfade_length (ARDOUR::Crossfade*);
1760         void edit_xfade (ARDOUR::Crossfade*);
1761         void remove_xfade ();
1762         void xfade_edit_left_region ();
1763         void xfade_edit_right_region ();
1764
1765         static const int32_t default_width = 995;
1766         static const int32_t default_height = 765;
1767
1768         /* nudge */
1769
1770         Gtk::Button      nudge_forward_button;
1771         Gtk::Button      nudge_backward_button;
1772         Gtk::HBox        nudge_hbox;
1773         Gtk::VBox        nudge_vbox;
1774         Gtk::Label       nudge_label;
1775         AudioClock       nudge_clock;
1776
1777         jack_nframes_t get_nudge_distance (jack_nframes_t pos, jack_nframes_t& next);
1778         
1779         /* audio filters */
1780
1781         void apply_filter (ARDOUR::AudioFilter&, string cmd);
1782
1783         /* handling cleanup */
1784
1785         int playlist_deletion_dialog (ARDOUR::Playlist*);
1786
1787         vector<sigc::connection> session_connections;
1788
1789         /* tracking step changes of track height */
1790
1791         TimeAxisView* current_stepping_trackview;
1792         struct timeval last_track_height_step_timestamp;
1793         gint track_height_step_timeout();
1794         sigc::connection step_timeout;
1795
1796         TimeAxisView* entered_track;
1797         AudioRegionView* entered_regionview;
1798         bool clear_entered_track;
1799         gint left_track_canvas (GdkEventCrossing*);
1800         void set_entered_track (TimeAxisView*);
1801         void set_entered_regionview (AudioRegionView*);
1802         gint left_automation_track ();
1803
1804         bool _new_regionviews_show_envelope;
1805
1806         void toggle_gain_envelope_visibility ();
1807         void toggle_gain_envelope_active ();
1808         
1809         typedef std::map<Editing::ColorID,std::string> ColorStyleMap;
1810         void init_colormap ();
1811 };
1812
1813 #endif /* __ardour_editor_h__ */