Fix some unused parameter warnings.
[ardour.git] / gtk2_ardour / editor.cc
1 /*
2     Copyright (C) 2000-2009 Paul Davis 
3
4     This program is free software; you can redistribute it and/or modify
5     it under the terms of the GNU General Public License as published by
6     the Free Software Foundation; either version 2 of the License, or
7     (at your option) any later version.
8
9     This program is distributed in the hope that it will be useful,
10     but WITHOUT ANY WARRANTY; without even the implied warranty of
11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12     GNU General Public License for more details.
13
14     You should have received a copy of the GNU General Public License
15     along with this program; if not, write to the Free Software
16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
17
18 */
19
20 /* Note: public Editor methods are documented in public_editor.h */
21
22 #define __STDC_LIMIT_MACROS 1
23 #include <stdint.h>
24 #include <unistd.h>
25 #include <cstdlib>
26 #include <cmath>
27 #include <string>
28 #include <algorithm>
29 #include <map>
30
31 #include <boost/none.hpp>
32
33 #include <sigc++/bind.h>
34
35 #include "pbd/convert.h"
36 #include "pbd/error.h"
37 #include "pbd/enumwriter.h"
38 #include "pbd/memento_command.h"
39 #include "pbd/unknown_type.h"
40
41 #include <glibmm/miscutils.h>
42 #include <gtkmm/image.h>
43 #include <gdkmm/color.h>
44 #include <gdkmm/bitmap.h>
45
46 #include <gtkmm2ext/grouped_buttons.h>
47 #include <gtkmm2ext/gtk_ui.h>
48 #include <gtkmm2ext/tearoff.h>
49 #include <gtkmm2ext/utils.h>
50 #include <gtkmm2ext/window_title.h>
51 #include <gtkmm2ext/choice.h>
52 #include <gtkmm2ext/cell_renderer_pixbuf_toggle.h>
53
54 #include "ardour/audio_diskstream.h"
55 #include "ardour/audio_track.h"
56 #include "ardour/audioplaylist.h"
57 #include "ardour/audioregion.h"
58 #include "ardour/location.h"
59 #include "ardour/midi_region.h"
60 #include "ardour/plugin_manager.h"
61 #include "ardour/profile.h"
62 #include "ardour/route_group.h"
63 #include "ardour/session_directory.h"
64 #include "ardour/session_route.h"
65 #include "ardour/session_state_utils.h"
66 #include "ardour/tempo.h"
67 #include "ardour/utils.h"
68
69 #include "control_protocol/control_protocol.h"
70
71 #include "ardour_ui.h"
72 #include "editor.h"
73 #include "keyboard.h"
74 #include "marker.h"
75 #include "playlist_selector.h"
76 #include "audio_region_view.h"
77 #include "rgb_macros.h"
78 #include "selection.h"
79 #include "audio_streamview.h"
80 #include "time_axis_view.h"
81 #include "audio_time_axis.h"
82 #include "utils.h"
83 #include "crossfade_view.h"
84 #include "editing.h"
85 #include "public_editor.h"
86 #include "crossfade_edit.h"
87 #include "canvas_impl.h"
88 #include "actions.h"
89 #include "sfdb_ui.h"
90 #include "gui_thread.h"
91 #include "simpleline.h"
92 #include "rhythm_ferret.h"
93 #include "actions.h"
94 #include "tempo_lines.h"
95 #include "analysis_window.h"
96 #include "bundle_manager.h"
97 #include "global_port_matrix.h"
98 #include "editor_drag.h"
99 #include "editor_group_tabs.h"
100 #include "automation_time_axis.h"
101 #include "editor_routes.h"
102 #include "midi_time_axis.h"
103 #include "mixer_strip.h"
104 #include "editor_route_groups.h"
105 #include "editor_regions.h"
106 #include "editor_snapshots.h"
107
108 #include "i18n.h"
109
110 #ifdef WITH_CMT
111 #include "imageframe_socket_handler.h"
112 #endif
113
114 using namespace std;
115 using namespace sigc;
116 using namespace ARDOUR;
117 using namespace PBD;
118 using namespace Gtk;
119 using namespace Glib;
120 using namespace Gtkmm2ext;
121 using namespace Editing;
122
123 using PBD::internationalize;
124 using PBD::atoi;
125
126 const double Editor::timebar_height = 15.0;
127
128 #include "editor_xpms"
129
130 static const gchar *_snap_type_strings[] = {
131         N_("CD Frames"),
132         N_("SMPTE Frames"),
133         N_("SMPTE Seconds"),
134         N_("SMPTE Minutes"),
135         N_("Seconds"),
136         N_("Minutes"),
137         N_("Beats/32"),
138         N_("Beats/16"),
139         N_("Beats/8"),
140         N_("Beats/4"),
141         N_("Beats/3"),
142         N_("Beats"),
143         N_("Bars"),
144         N_("Marks"),
145         N_("Region starts"),
146         N_("Region ends"),
147         N_("Region syncs"),
148         N_("Region bounds"),
149         0
150 };
151
152 static const gchar *_snap_mode_strings[] = {
153         N_("No Grid"),
154         N_("Grid"),
155         N_("Magnetic"),
156         0
157 };
158
159 static const gchar *_edit_point_strings[] = {
160         N_("Playhead"),
161         N_("Marker"),
162         N_("Mouse"),
163         0
164 };
165
166 static const gchar *_zoom_focus_strings[] = {
167         N_("Left"),
168         N_("Right"),
169         N_("Center"),
170         N_("Playhead"),
171         N_("Mouse"),
172         N_("Active Mark"),
173         0
174 };
175
176 #ifdef USE_RUBBERBAND
177 static const gchar *_rb_opt_strings[] = {
178         N_("Mushy"),
179         N_("Smooth"),
180         N_("Balanced multitimbral mixture"),
181         N_("Unpitched percussion with stable notes"),
182         N_("Crisp monophonic instrumental"),
183         N_("Unpitched solo percussion"),
184         0
185 };
186 #endif
187
188 /* Soundfile  drag-n-drop */
189
190 Gdk::Cursor* Editor::cross_hair_cursor = 0;
191 Gdk::Cursor* Editor::selector_cursor = 0;
192 Gdk::Cursor* Editor::trimmer_cursor = 0;
193 Gdk::Cursor* Editor::grabber_cursor = 0;
194 Gdk::Cursor* Editor::grabber_edit_point_cursor = 0;
195 Gdk::Cursor* Editor::zoom_cursor = 0;
196 Gdk::Cursor* Editor::time_fx_cursor = 0;
197 Gdk::Cursor* Editor::fader_cursor = 0;
198 Gdk::Cursor* Editor::speaker_cursor = 0;
199 Gdk::Cursor* Editor::midi_pencil_cursor = 0;
200 Gdk::Cursor* Editor::midi_select_cursor = 0;
201 Gdk::Cursor* Editor::midi_resize_cursor = 0;
202 Gdk::Cursor* Editor::midi_erase_cursor = 0;
203 Gdk::Cursor* Editor::wait_cursor = 0;
204 Gdk::Cursor* Editor::timebar_cursor = 0;
205 Gdk::Cursor* Editor::transparent_cursor = 0;
206
207 void
208 show_me_the_size (Requisition* r, const char* what)
209 {
210         cerr << "size of " << what << " = " << r->width << " x " << r->height << endl;
211 }
212
213 Editor::Editor ()
214         : 
215           /* time display buttons */
216
217           minsec_label (_("Mins:Secs")),
218           bbt_label (_("Bars:Beats")),
219           smpte_label (_("Timecode")),
220           frame_label (_("Samples")),
221           tempo_label (_("Tempo")),
222           meter_label (_("Meter")),
223           mark_label (_("Location Markers")),
224           range_mark_label (_("Range Markers")),
225           transport_mark_label (_("Loop/Punch Ranges")),
226           cd_mark_label (_("CD Markers")),
227           edit_packer (4, 4, true),
228
229           /* the values here don't matter: layout widgets
230              reset them as needed.
231           */
232
233           vertical_adjustment (0.0, 0.0, 10.0, 400.0),
234           horizontal_adjustment (0.0, 0.0, 20.0, 1200.0),
235
236           /* tool bar related */
237
238           edit_point_clock (X_("editpoint"), false, X_("EditPointClock"), true),
239           zoom_range_clock (X_("zoomrange"), false, X_("ZoomRangeClock"), true, true),
240           
241           toolbar_selection_clock_table (2,3),
242           
243           automation_mode_button (_("mode")),
244           global_automation_button (_("automation")),
245
246           midi_panic_button (_("Panic")),
247           midi_tools_tearoff (0),
248
249 #ifdef WITH_CMT
250           image_socket_listener(0),
251 #endif
252
253           /* nudge */
254
255           nudge_clock (X_("nudge"), false, X_("NudgeClock"), true, true),
256           meters_running(false),
257           _pending_locate_request (false)
258
259 {
260         constructed = false;
261
262         /* we are a singleton */
263
264         PublicEditor::_instance = this;
265
266         session = 0;
267         _have_idled = false;
268
269         selection = new Selection (this);
270         cut_buffer = new Selection (this);
271
272         clicked_regionview = 0;
273         clicked_axisview = 0;
274         clicked_routeview = 0;
275         clicked_crossfadeview = 0;
276         clicked_control_point = 0;
277         last_update_frame = 0;
278         _drag = 0;
279         current_mixer_strip = 0;
280         current_bbt_points = 0;
281         tempo_lines = 0;
282         
283         snap_type_strings =  I18N (_snap_type_strings);
284         snap_mode_strings =  I18N (_snap_mode_strings);
285         zoom_focus_strings = I18N (_zoom_focus_strings);
286         edit_point_strings = I18N (_edit_point_strings);
287 #ifdef USE_RUBBERBAND
288         rb_opt_strings = I18N (_rb_opt_strings);
289 #endif
290         
291         snap_threshold = 5.0;
292         bbt_beat_subdivision = 4;
293         _canvas_width = 0;
294         _canvas_height = 0;
295         last_autoscroll_x = 0;
296         last_autoscroll_y = 0;
297         autoscroll_active = false;
298         autoscroll_timeout_tag = -1;
299         interthread_progress_window = 0;
300         logo_item = 0;
301
302         analysis_window = 0;
303
304         current_interthread_info = 0;
305         _show_measures = true;
306         _show_waveforms_recording = true;
307         show_gain_after_trim = false;
308         verbose_cursor_on = true;
309         route_removal = false;
310         last_item_entered = 0;
311         last_item_entered_n = 0;
312
313         have_pending_keyboard_selection = false;
314         _follow_playhead = true;
315         _xfade_visibility = true;
316         editor_ruler_menu = 0;
317         no_ruler_shown_update = false;
318         marker_menu = 0;
319         start_end_marker_menu = 0;
320         range_marker_menu = 0;
321         marker_menu_item = 0;
322         tm_marker_menu = 0;
323         transport_marker_menu = 0;
324         new_transport_marker_menu = 0;
325         editor_mixer_strip_width = Wide;
326         show_editor_mixer_when_tracks_arrive = false;
327         region_edit_menu_split_multichannel_item = 0;
328         region_edit_menu_split_item = 0;
329         temp_location = 0;
330         leftmost_frame = 0;
331         ignore_mouse_mode_toggle = false;
332         ignore_midi_edit_mode_toggle = false;
333         current_stepping_trackview = 0;
334         entered_track = 0;
335         entered_regionview = 0;
336         entered_marker = 0;
337         clear_entered_track = false;
338         _new_regionviews_show_envelope = false;
339         current_timefx = 0;
340         playhead_cursor = 0;
341         button_release_can_deselect = true;
342         _dragging_playhead = false;
343         _dragging_edit_point = false;
344         _dragging_hscrollbar = false;
345         select_new_marker = false;
346         zoomed_to_region = false;
347         rhythm_ferret = 0;
348         _bundle_manager = 0;
349         for (ARDOUR::DataType::iterator i = ARDOUR::DataType::begin(); i != ARDOUR::DataType::end(); ++i) {
350                 _global_port_matrix[*i] = 0;
351         }
352         allow_vertical_scroll = false;
353         no_save_visual = false;
354         resize_idle_id = -1;
355
356         scrubbing_direction = 0;
357
358         sfbrowser = 0;
359
360         location_marker_color = ARDOUR_UI::config()->canvasvar_LocationMarker.get();
361         location_range_color = ARDOUR_UI::config()->canvasvar_LocationRange.get();
362         location_cd_marker_color = ARDOUR_UI::config()->canvasvar_LocationCDMarker.get();
363         location_loop_color = ARDOUR_UI::config()->canvasvar_LocationLoop.get();
364         location_punch_color = ARDOUR_UI::config()->canvasvar_LocationPunch.get();
365
366         set_midi_edit_mode (MidiEditPencil, true);
367         _edit_point = EditAtMouse;
368         set_mouse_mode (MouseObject, true);
369
370         frames_per_unit = 2048; /* too early to use reset_zoom () */
371         reset_hscrollbar_stepping ();
372         
373         zoom_focus = ZoomFocusLeft;
374         set_zoom_focus (ZoomFocusLeft);
375         zoom_range_clock.ValueChanged.connect (mem_fun(*this, &Editor::zoom_adjustment_changed));
376
377         bbt_label.set_name ("EditorTimeButton");
378         bbt_label.set_size_request (-1, (int)timebar_height);
379         bbt_label.set_alignment (1.0, 0.5);
380         bbt_label.set_padding (5,0);
381         bbt_label.hide ();
382         bbt_label.set_no_show_all();
383         minsec_label.set_name ("EditorTimeButton");
384         minsec_label.set_size_request (-1, (int)timebar_height);
385         minsec_label.set_alignment (1.0, 0.5);
386         minsec_label.set_padding (5,0);
387         minsec_label.hide ();
388         minsec_label.set_no_show_all();
389         smpte_label.set_name ("EditorTimeButton");
390         smpte_label.set_size_request (-1, (int)timebar_height);
391         smpte_label.set_alignment (1.0, 0.5);
392         smpte_label.set_padding (5,0);
393         smpte_label.hide ();
394         smpte_label.set_no_show_all();
395         frame_label.set_name ("EditorTimeButton");
396         frame_label.set_size_request (-1, (int)timebar_height);
397         frame_label.set_alignment (1.0, 0.5);
398         frame_label.set_padding (5,0);
399         frame_label.hide ();
400         frame_label.set_no_show_all();
401
402         tempo_label.set_name ("EditorTimeButton");
403         tempo_label.set_size_request (-1, (int)timebar_height);
404         tempo_label.set_alignment (1.0, 0.5);
405         tempo_label.set_padding (5,0);
406         tempo_label.hide();
407         tempo_label.set_no_show_all();
408         meter_label.set_name ("EditorTimeButton");
409         meter_label.set_size_request (-1, (int)timebar_height);
410         meter_label.set_alignment (1.0, 0.5);
411         meter_label.set_padding (5,0);
412         meter_label.hide();
413         meter_label.set_no_show_all();
414         mark_label.set_name ("EditorTimeButton");
415         mark_label.set_size_request (-1, (int)timebar_height);
416         mark_label.set_alignment (1.0, 0.5);
417         mark_label.set_padding (5,0);
418         mark_label.hide();
419         mark_label.set_no_show_all();
420         cd_mark_label.set_name ("EditorTimeButton");
421         cd_mark_label.set_size_request (-1, (int)timebar_height);
422         cd_mark_label.set_alignment (1.0, 0.5);
423         cd_mark_label.set_padding (5,0);
424         cd_mark_label.hide();
425         cd_mark_label.set_no_show_all();
426         range_mark_label.set_name ("EditorTimeButton");
427         range_mark_label.set_size_request (-1, (int)timebar_height);
428         range_mark_label.set_alignment (1.0, 0.5);
429         range_mark_label.set_padding (5,0);
430         range_mark_label.hide();
431         range_mark_label.set_no_show_all();
432         transport_mark_label.set_name ("EditorTimeButton");
433         transport_mark_label.set_size_request (-1, (int)timebar_height);
434         transport_mark_label.set_alignment (1.0, 0.5);
435         transport_mark_label.set_padding (5,0);
436         transport_mark_label.hide();
437         transport_mark_label.set_no_show_all();
438
439         initialize_rulers ();
440         _summary = new EditorSummary (this);
441         initialize_canvas ();
442
443         selection->TimeChanged.connect (mem_fun(*this, &Editor::time_selection_changed));
444         selection->TracksChanged.connect (mem_fun(*this, &Editor::track_selection_changed));
445         editor_regions_selection_changed_connection = selection->RegionsChanged.connect (mem_fun(*this, &Editor::region_selection_changed));
446         selection->PointsChanged.connect (mem_fun(*this, &Editor::point_selection_changed));
447         selection->MarkersChanged.connect (mem_fun(*this, &Editor::marker_selection_changed));
448
449         edit_controls_vbox.set_spacing (0);
450         horizontal_adjustment.signal_value_changed().connect (mem_fun(*this, &Editor::scroll_canvas_horizontally), false);
451         vertical_adjustment.signal_value_changed().connect (mem_fun(*this, &Editor::tie_vertical_scrolling), true);
452         track_canvas->signal_map_event().connect (mem_fun (*this, &Editor::track_canvas_map_handler));
453
454         HBox* h = manage (new HBox);
455         _group_tabs = new EditorGroupTabs (this);
456         h->pack_start (*_group_tabs, PACK_SHRINK);
457         h->pack_start (edit_controls_vbox);
458         controls_layout.add (*h);
459         
460         controls_layout.set_name ("EditControlsBase");
461         controls_layout.add_events (Gdk::SCROLL_MASK);
462         controls_layout.signal_scroll_event().connect (mem_fun(*this, &Editor::control_layout_scroll), false);
463         
464         controls_layout.add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK);
465         controls_layout.signal_button_release_event().connect (mem_fun(*this, &Editor::edit_controls_button_release));
466         controls_layout_size_request_connection = controls_layout.signal_size_request().connect (mem_fun (*this, &Editor::controls_layout_size_request));
467
468         edit_vscrollbar.set_adjustment (vertical_adjustment);
469         edit_hscrollbar.set_adjustment (horizontal_adjustment);
470
471         edit_hscrollbar.signal_button_press_event().connect (mem_fun(*this, &Editor::hscrollbar_button_press), false);
472         edit_hscrollbar.signal_button_release_event().connect (mem_fun(*this, &Editor::hscrollbar_button_release), false);
473         edit_hscrollbar.signal_size_allocate().connect (mem_fun(*this, &Editor::hscrollbar_allocate));
474
475         edit_hscrollbar.set_name ("EditorHScrollbar");
476
477         build_cursors ();
478         setup_toolbar ();
479         setup_midi_toolbar ();
480
481         edit_point_clock.ValueChanged.connect (mem_fun(*this, &Editor::edit_point_clock_changed));
482         
483         ArdourCanvas::Canvas* time_pad = manage(new ArdourCanvas::Canvas());
484         ArdourCanvas::SimpleLine* pad_line_1 = manage(new ArdourCanvas::SimpleLine(*time_pad->root(),
485                         0.0, 1.0, 100.0, 1.0));
486         pad_line_1->property_color_rgba() = 0xFF0000FF;
487         pad_line_1->show();
488         time_pad->show();
489
490         time_canvas_vbox.set_size_request (-1, (int)(timebar_height * visible_timebars) + 2);
491         time_canvas_vbox.set_size_request (-1, -1);
492
493         ruler_label_event_box.add (ruler_label_vbox);   
494         ruler_label_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
495         ruler_label_event_box.signal_button_release_event().connect (mem_fun(*this, &Editor::ruler_label_button_release));
496
497         time_button_event_box.add (time_button_vbox);
498         time_button_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
499         time_button_event_box.signal_button_release_event().connect (mem_fun(*this, &Editor::ruler_label_button_release));
500
501         /* these enable us to have a dedicated window (for cursor setting, etc.) 
502            for the canvas areas.
503         */
504
505         track_canvas_event_box.add (*track_canvas);
506
507         time_canvas_event_box.add (time_canvas_vbox);
508         time_canvas_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::POINTER_MOTION_MASK);
509
510         edit_packer.set_col_spacings (0);
511         edit_packer.set_row_spacings (0);
512         edit_packer.set_homogeneous (false);
513         edit_packer.set_border_width (0);
514         edit_packer.set_name ("EditorWindow");
515
516         edit_packer.attach (zoom_vbox,               0, 1, 0, 2,    SHRINK,        FILL, 0, 0);
517         /* labels for the rulers */
518         edit_packer.attach (ruler_label_event_box,   1, 2, 0, 1,    FILL,        SHRINK, 0, 0);
519         /* labels for the marker "tracks" */
520         edit_packer.attach (time_button_event_box,   1, 2, 1, 2,    FILL,        SHRINK, 0, 0);
521         /* the rulers */
522         edit_packer.attach (time_canvas_event_box,   2, 3, 0, 1,    FILL|EXPAND, FILL, 0, 0);
523         /* track controls */
524         edit_packer.attach (controls_layout,         0, 2, 2, 3,    FILL,        FILL|EXPAND, 0, 0);
525         /* main canvas */
526         edit_packer.attach (track_canvas_event_box,  2, 3, 1, 3,    FILL|EXPAND, FILL|EXPAND, 0, 0);
527
528         bottom_hbox.set_border_width (2);
529         bottom_hbox.set_spacing (3);
530
531         _route_groups = new EditorRouteGroups (this);
532         _routes = new EditorRoutes (this);
533         _regions = new EditorRegions (this);
534         _snapshots = new EditorSnapshots (this);
535
536         named_selection_scroller.add (named_selection_display);
537         named_selection_scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
538
539         named_selection_model = TreeStore::create (named_selection_columns);
540         named_selection_display.set_model (named_selection_model);
541         named_selection_display.append_column (_("Chunks"), named_selection_columns.text);
542         named_selection_display.set_headers_visible (false);
543         named_selection_display.set_size_request (100, -1);
544         named_selection_display.set_name ("NamedSelectionDisplay");
545         
546         named_selection_display.get_selection()->set_mode (SELECTION_SINGLE);
547         named_selection_display.set_size_request (100, -1);
548         named_selection_display.signal_button_release_event().connect (mem_fun(*this, &Editor::named_selection_display_button_release), false);
549         named_selection_display.signal_key_release_event().connect (mem_fun(*this, &Editor::named_selection_display_key_release), false);
550         named_selection_display.get_selection()->signal_changed().connect (mem_fun (*this, &Editor::named_selection_display_selection_changed));
551
552         Gtk::Label* nlabel;
553
554         nlabel = manage (new Label (_("Regions")));
555         nlabel->set_angle (-90);
556         the_notebook.append_page (_regions->widget (), *nlabel);
557         nlabel = manage (new Label (_("Tracks/Busses")));
558         nlabel->set_angle (-90);
559         the_notebook.append_page (_routes->widget (), *nlabel);
560         nlabel = manage (new Label (_("Snapshots")));
561         nlabel->set_angle (-90);
562         the_notebook.append_page (_snapshots->widget (), *nlabel);
563         nlabel = manage (new Label (_("Route Groups")));
564         nlabel->set_angle (-90);
565         the_notebook.append_page (_route_groups->widget (), *nlabel);
566         
567         if (!Profile->get_sae()) {
568                 nlabel = manage (new Label (_("Chunks")));
569                 nlabel->set_angle (-90);
570                 the_notebook.append_page (named_selection_scroller, *nlabel);
571         }
572
573         the_notebook.set_show_tabs (true);
574         the_notebook.set_scrollable (true);
575         the_notebook.popup_enable ();
576         the_notebook.set_tab_pos (Gtk::POS_RIGHT);
577         the_notebook.show_all ();
578
579         post_maximal_editor_width = 0;
580         post_maximal_pane_position = 0;
581
582         VPaned *editor_summary_pane = manage(new VPaned());
583         editor_summary_pane->pack1(edit_packer);
584         editor_summary_pane->pack2(*_summary);
585
586         edit_pane.pack1 (*editor_summary_pane, true, true);
587         edit_pane.pack2 (the_notebook, false, true);
588         
589         edit_pane.signal_size_allocate().connect (bind (mem_fun(*this, &Editor::pane_allocation_handler), static_cast<Paned*> (&edit_pane)));
590
591         top_hbox.pack_start (toolbar_frame, false, true);
592         top_hbox.pack_start (midi_toolbar_frame, false, true);
593
594         HBox *hbox = manage (new HBox);
595         hbox->pack_start (edit_pane, true, true);
596
597         global_vpacker.pack_start (top_hbox, false, false);
598         global_vpacker.pack_start (*hbox, true, true);
599
600         global_hpacker.pack_start (global_vpacker, true, true);
601
602         set_name ("EditorWindow");
603         add_accel_group (ActionManager::ui_manager->get_accel_group());
604
605         status_bar_hpacker.show ();
606
607         vpacker.pack_end (status_bar_hpacker, false, false);
608         vpacker.pack_end (global_hpacker, true, true);
609
610         /* register actions now so that set_state() can find them and set toggles/checks etc */
611         
612         register_actions ();
613
614         snap_type = SnapToBeat;
615         set_snap_to (snap_type);
616         snap_mode = SnapOff;
617         set_snap_mode (snap_mode);
618         set_edit_point_preference (EditAtMouse, true);
619
620         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
621         set_state (*node);
622
623         _playlist_selector = new PlaylistSelector();
624         _playlist_selector->signal_delete_event().connect (bind (sigc::ptr_fun (just_hide_it), static_cast<Window *> (_playlist_selector)));
625
626         RegionView::RegionViewGoingAway.connect (mem_fun(*this, &Editor::catch_vanishing_regionview));
627
628         /* nudge stuff */
629
630         nudge_forward_button.add (*(manage (new Image (::get_icon("nudge_right")))));
631         nudge_backward_button.add (*(manage (new Image (::get_icon("nudge_left")))));
632
633         ARDOUR_UI::instance()->tooltips().set_tip (nudge_forward_button, _("Nudge Region/Selection Forwards"));
634         ARDOUR_UI::instance()->tooltips().set_tip (nudge_backward_button, _("Nudge Region/Selection Backwards"));
635
636         nudge_forward_button.set_name ("TransportButton");
637         nudge_backward_button.set_name ("TransportButton");
638
639         fade_context_menu.set_name ("ArdourContextMenu");
640
641         /* icons, titles, WM stuff */
642
643         list<Glib::RefPtr<Gdk::Pixbuf> > window_icons;
644         Glib::RefPtr<Gdk::Pixbuf> icon;
645
646         if ((icon = ::get_icon ("ardour_icon_16px")) != 0) {
647                 window_icons.push_back (icon);
648         }
649         if ((icon = ::get_icon ("ardour_icon_22px")) != 0) {
650                 window_icons.push_back (icon);
651         }
652         if ((icon = ::get_icon ("ardour_icon_32px")) != 0) {
653                 window_icons.push_back (icon);
654         }
655         if ((icon = ::get_icon ("ardour_icon_48px")) != 0) {
656                 window_icons.push_back (icon);
657         }
658         if (!window_icons.empty()) {
659                 set_icon_list (window_icons);
660                 set_default_icon_list (window_icons);
661         }
662
663         WindowTitle title(Glib::get_application_name());
664         title += _("Editor");
665         set_title (title.get_string());
666         set_wmclass (X_("ardour_editor"), "Ardour");
667
668         add (vpacker);
669         add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK);
670
671         signal_configure_event().connect (mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::configure_handler));
672         signal_delete_event().connect (mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::exit_on_main_window_close));
673
674         /* allow external control surfaces/protocols to do various things */
675
676         ControlProtocol::ZoomToSession.connect (mem_fun (*this, &Editor::temporal_zoom_session));
677         ControlProtocol::ZoomIn.connect (bind (mem_fun (*this, &Editor::temporal_zoom_step), false));
678         ControlProtocol::ZoomOut.connect (bind (mem_fun (*this, &Editor::temporal_zoom_step), true));
679         ControlProtocol::ScrollTimeline.connect (mem_fun (*this, &Editor::control_scroll));
680         BasicUI::AccessAction.connect (mem_fun (*this, &Editor::access_action));
681
682         Config->ParameterChanged.connect (mem_fun (*this, &Editor::parameter_changed));
683
684         _last_normalization_value = 0;
685
686         constructed = true;
687         instant_save ();
688 }
689
690 Editor::~Editor()
691 {
692 #ifdef WITH_CMT
693         if(image_socket_listener) {
694                 if(image_socket_listener->is_connected())
695                 {
696                         image_socket_listener->close_connection() ;
697                 }
698                 
699                 delete image_socket_listener ;
700                 image_socket_listener = 0 ;
701         }
702 #endif
703
704         delete _routes;
705         delete _route_groups;
706         delete track_canvas;
707         delete _drag;
708 }
709
710 void
711 Editor::add_toplevel_controls (Container& cont)
712 {
713         vpacker.pack_start (cont, false, false);
714         cont.show_all ();
715 }
716
717 void
718 Editor::catch_vanishing_regionview (RegionView *rv)
719 {
720         /* note: the selection will take care of the vanishing
721            audioregionview by itself.
722         */
723
724         if (_drag && rv->get_canvas_group() == _drag->item() && !_drag->ending()) {
725                 _drag->end_grab (0);
726                 delete _drag;
727                 _drag = 0;
728         }
729
730         if (clicked_regionview == rv) {
731                 clicked_regionview = 0;
732         }
733
734         if (entered_regionview == rv) {
735                 set_entered_regionview (0);
736         }
737 }
738
739 void
740 Editor::set_entered_regionview (RegionView* rv)
741 {
742         if (rv == entered_regionview) {
743                 return;
744         }
745
746         if (entered_regionview) {
747                 entered_regionview->exited ();
748         }
749
750         if ((entered_regionview = rv) != 0) {
751                 entered_regionview->entered ();
752         }
753 }
754
755 void
756 Editor::set_entered_track (TimeAxisView* tav)
757 {
758         if (entered_track) {
759                 entered_track->exited ();
760         }
761
762         if ((entered_track = tav) != 0) {
763                 entered_track->entered ();
764         }
765 }
766
767 void
768 Editor::show_window ()
769 {
770         if (! is_visible ()) {
771                 show_all ();
772
773                 /* re-hide editor list if necessary */
774                 editor_list_button_toggled ();
775
776                 /* re-hide summary widget if necessary */
777                 parameter_changed ("show-summary");
778
779                 parameter_changed ("show-edit-group-tabs");
780
781                 /* now reset all audio_time_axis heights, because widgets might need
782                    to be re-hidden
783                 */
784
785                 TimeAxisView *tv;
786         
787                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
788                         tv = (static_cast<TimeAxisView*>(*i));
789                         tv->reset_height ();
790                 }
791         }
792
793         present ();
794 }
795
796 void
797 Editor::instant_save ()
798 {
799         if (!constructed || !ARDOUR_UI::instance()->session_loaded) {
800                 return;
801         }
802
803         if (session) {
804                 session->add_instant_xml(get_state());
805         } else {
806                 Config->add_instant_xml(get_state());
807         }
808 }
809
810 void
811 Editor::edit_point_clock_changed()
812 {
813         if (_dragging_edit_point) {
814                 return;
815         }
816
817         if (selection->markers.empty()) {
818                 return;
819         }
820
821         bool ignored;
822         Location* loc = find_location_from_marker (selection->markers.front(), ignored);
823
824         if (!loc) {
825                 return;
826         }
827
828         loc->move_to (edit_point_clock.current_time());
829 }
830
831 void
832 Editor::zoom_adjustment_changed ()
833 {
834         if (session == 0) {
835                 return;
836         }
837
838         double fpu = zoom_range_clock.current_duration() / _canvas_width;
839
840         if (fpu < 1.0) {
841                 fpu = 1.0;
842                 zoom_range_clock.set ((nframes64_t) floor (fpu * _canvas_width));
843         } else if (fpu > session->current_end_frame() / _canvas_width) {
844                 fpu = session->current_end_frame() / _canvas_width;
845                 zoom_range_clock.set ((nframes64_t) floor (fpu * _canvas_width));
846         }
847         
848         temporal_zoom (fpu);
849 }
850
851 void
852 Editor::control_scroll (float fraction)
853 {
854         ENSURE_GUI_THREAD(bind (mem_fun (*this, &Editor::control_scroll), fraction));
855
856         if (!session) {
857                 return;
858         }
859
860         double step = fraction * current_page_frames();
861
862         /*
863                 _control_scroll_target is an optional<T>
864         
865                 it acts like a pointer to an nframes64_t, with
866                 a operator conversion to boolean to check
867                 that it has a value could possibly use
868                 playhead_cursor->current_frame to store the
869                 value and a boolean in the class to know
870                 when it's out of date
871         */
872
873         if (!_control_scroll_target) {
874                 _control_scroll_target = session->transport_frame();
875                 _dragging_playhead = true;
876         }
877
878         if ((fraction < 0.0f) && (*_control_scroll_target < (nframes64_t) fabs(step))) {
879                 *_control_scroll_target = 0;
880         } else if ((fraction > 0.0f) && (max_frames - *_control_scroll_target < step)) {
881                 *_control_scroll_target = max_frames - (current_page_frames()*2); // allow room for slop in where the PH is on the screen
882         } else {
883                 *_control_scroll_target += (nframes64_t) floor (step);
884         }
885
886         /* move visuals, we'll catch up with it later */
887
888         playhead_cursor->set_position (*_control_scroll_target);
889         UpdateAllTransportClocks (*_control_scroll_target);
890         
891         if (*_control_scroll_target > (current_page_frames() / 2)) {
892                 /* try to center PH in window */
893                 reset_x_origin (*_control_scroll_target - (current_page_frames()/2));
894         } else {
895                 reset_x_origin (0);
896         }
897
898         /*
899                 Now we do a timeout to actually bring the session to the right place
900                 according to the playhead. This is to avoid reading disk buffers on every
901                 call to control_scroll, which is driven by ScrollTimeline and therefore
902                 probably by a control surface wheel which can generate lots of events.
903         */
904         /* cancel the existing timeout */
905
906         control_scroll_connection.disconnect ();
907
908         /* add the next timeout */
909
910         control_scroll_connection = Glib::signal_timeout().connect (bind (mem_fun (*this, &Editor::deferred_control_scroll), *_control_scroll_target), 250);
911 }
912
913 bool
914 Editor::deferred_control_scroll (nframes64_t /*target*/)
915 {
916         session->request_locate (*_control_scroll_target, session->transport_rolling());
917         // reset for next stream
918         _control_scroll_target = boost::none;
919         _dragging_playhead = false;
920         return false;
921 }
922
923 void
924 Editor::access_action (std::string action_group, std::string action_item)
925 {
926         if (!session) {
927                 return;
928         }
929
930         ENSURE_GUI_THREAD (bind (mem_fun (*this, &Editor::access_action), action_group, action_item));
931
932         RefPtr<Action> act;
933         act = ActionManager::get_action( action_group.c_str(), action_item.c_str() );
934
935         if (act) {
936                 act->activate();
937         }
938                 
939
940 }
941
942 void
943 Editor::on_realize ()
944 {
945         Window::on_realize ();
946         Realized ();
947 }
948
949 void
950 Editor::start_scrolling ()
951 {
952         scroll_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect 
953                 (mem_fun(*this, &Editor::update_current_screen));
954
955 }
956
957 void
958 Editor::stop_scrolling ()
959 {
960         scroll_connection.disconnect ();
961 }
962
963 void
964 Editor::map_position_change (nframes64_t frame)
965 {
966         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::map_position_change), frame));
967
968         if (session == 0 || !_follow_playhead) {
969                 return;
970         }
971
972         center_screen (frame);
973         playhead_cursor->set_position (frame);
974 }       
975
976 void
977 Editor::center_screen (nframes64_t frame)
978 {
979         double page = _canvas_width * frames_per_unit;
980
981         /* if we're off the page, then scroll.
982          */
983         
984         if (frame < leftmost_frame || frame >= leftmost_frame + page) {
985                 center_screen_internal (frame, page);
986         }
987 }
988
989 void
990 Editor::center_screen_internal (nframes64_t frame, float page)
991 {
992         page /= 2;
993                 
994         if (frame > page) {
995                 frame -= (nframes64_t) page;
996         } else {
997                 frame = 0;
998         }
999
1000         reset_x_origin (frame);
1001 }
1002
1003 void
1004 Editor::handle_new_duration ()
1005 {
1006         if (!session) {
1007                 return;
1008         }
1009
1010         ENSURE_GUI_THREAD (mem_fun (*this, &Editor::handle_new_duration));
1011         nframes64_t new_end = session->current_end_frame() + (nframes64_t) floorf (current_page_frames() * 0.10f);
1012
1013         horizontal_adjustment.set_upper (new_end / frames_per_unit);
1014         horizontal_adjustment.set_page_size (current_page_frames()/frames_per_unit);
1015
1016         if (horizontal_adjustment.get_value() + _canvas_width > horizontal_adjustment.get_upper()) {
1017                 horizontal_adjustment.set_value (horizontal_adjustment.get_upper() - _canvas_width);
1018         }
1019         //cerr << "Editor::handle_new_duration () called ha v:l:u:ps:lcf = " << horizontal_adjustment.get_value() << ":" << horizontal_adjustment.get_lower() << ":" << horizontal_adjustment.get_upper() << ":" << horizontal_adjustment.get_page_size() << ":" << endl;//DEBUG
1020 }
1021
1022 void
1023 Editor::update_title_s (const string & snap_name)
1024 {
1025         ENSURE_GUI_THREAD(bind (mem_fun(*this, &Editor::update_title_s), snap_name));
1026         
1027         update_title ();
1028 }
1029
1030 void
1031 Editor::update_title ()
1032 {
1033         ENSURE_GUI_THREAD (mem_fun(*this, &Editor::update_title));
1034
1035         if (session) {
1036                 bool dirty = session->dirty();
1037
1038                 string session_name;
1039
1040                 if (session->snap_name() != session->name()) {
1041                         session_name = session->snap_name();
1042                 } else {
1043                         session_name = session->name();
1044                 }
1045
1046                 if (dirty) {
1047                         session_name = "*" + session_name;
1048                 }
1049
1050                 WindowTitle title(session_name);
1051                 title += Glib::get_application_name();
1052                 set_title (title.get_string());
1053         }
1054 }
1055
1056 void
1057 Editor::connect_to_session (Session *t)
1058 {
1059         session = t;
1060
1061         compute_fixed_ruler_scale ();
1062
1063         /* there are never any selected regions at startup */
1064
1065         sensitize_the_right_region_actions (false);
1066
1067         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
1068         set_state (*node);
1069
1070         /* catch up with the playhead */
1071
1072         session->request_locate (playhead_cursor->current_frame);
1073
1074         update_title ();
1075
1076         session->GoingAway.connect (mem_fun(*this, &Editor::session_going_away));
1077         session->history().Changed.connect (mem_fun (*this, &Editor::history_changed));
1078
1079         /* These signals can all be emitted by a non-GUI thread. Therefore the
1080            handlers for them must not attempt to directly interact with the GUI,
1081            but use Gtkmm2ext::UI::instance()->call_slot();
1082         */
1083
1084         session_connections.push_back (session->TransportStateChange.connect (mem_fun(*this, &Editor::map_transport_state)));
1085         session_connections.push_back (session->PositionChanged.connect (mem_fun(*this, &Editor::map_position_change)));
1086         session_connections.push_back (session->RouteAdded.connect (mem_fun(*this, &Editor::handle_new_route)));
1087         session_connections.push_back (session->DurationChanged.connect (mem_fun(*this, &Editor::handle_new_duration)));
1088         session_connections.push_back (session->NamedSelectionAdded.connect (mem_fun(*this, &Editor::handle_new_named_selection)));
1089         session_connections.push_back (session->NamedSelectionRemoved.connect (mem_fun(*this, &Editor::handle_new_named_selection)));
1090         session_connections.push_back (session->DirtyChanged.connect (mem_fun(*this, &Editor::update_title)));
1091         session_connections.push_back (session->StateSaved.connect (mem_fun(*this, &Editor::update_title_s)));
1092         session_connections.push_back (session->AskAboutPlaylistDeletion.connect (mem_fun(*this, &Editor::playlist_deletion_dialog)));
1093
1094         session_connections.push_back (session->SMPTEOffsetChanged.connect (mem_fun(*this, &Editor::update_just_smpte)));
1095
1096         session_connections.push_back (session->tempo_map().StateChanged.connect (mem_fun(*this, &Editor::tempo_map_changed)));
1097
1098         session_connections.push_back (session->Located.connect (mem_fun (*this, &Editor::located)));
1099         session_connections.push_back (session->config.ParameterChanged.connect (mem_fun (*this, &Editor::parameter_changed)));
1100
1101         edit_point_clock.set_mode(AudioClock::BBT);
1102         edit_point_clock.set_session (session);
1103         zoom_range_clock.set_session (session);
1104         _playlist_selector->set_session (session);
1105         nudge_clock.set_session (session);
1106         if (Profile->get_sae()) {
1107                 BBT_Time bbt;
1108                 bbt.bars = 0;
1109                 bbt.beats = 0;
1110                 bbt.ticks = 120;
1111                 nframes_t pos = session->tempo_map().bbt_duration_at (0, bbt, 1);
1112                 nudge_clock.set_mode(AudioClock::BBT);
1113                 nudge_clock.set (pos, true, 0, AudioClock::BBT);
1114                 
1115         } else {
1116                 nudge_clock.set (session->frame_rate() * 5, true, 0, AudioClock::SMPTE); // default of 5 seconds
1117         }
1118
1119         playhead_cursor->canvas_item.show ();
1120
1121         if (rhythm_ferret) {
1122                 rhythm_ferret->set_session (session);
1123         }
1124
1125         if (analysis_window != 0)
1126                 analysis_window->set_session (session);
1127
1128         Location* loc = session->locations()->auto_loop_location();
1129         if (loc == 0) {
1130                 loc = new Location (0, session->current_end_frame(), _("Loop"),(Location::Flags) (Location::IsAutoLoop | Location::IsHidden));
1131                 if (loc->start() == loc->end()) {
1132                         loc->set_end (loc->start() + 1);
1133                 }
1134                 session->locations()->add (loc, false);
1135                 session->set_auto_loop_location (loc);
1136         } else {
1137                 // force name
1138                 loc->set_name (_("Loop"));
1139         }
1140         
1141         loc = session->locations()->auto_punch_location();
1142         if (loc == 0) {
1143                 loc = new Location (0, session->current_end_frame(), _("Punch"), (Location::Flags) (Location::IsAutoPunch | Location::IsHidden));
1144                 if (loc->start() == loc->end()) {
1145                         loc->set_end (loc->start() + 1);
1146                 }
1147                 session->locations()->add (loc, false);
1148                 session->set_auto_punch_location (loc);
1149         } else {
1150                 // force name
1151                 loc->set_name (_("Punch"));
1152         }
1153
1154         Config->map_parameters (mem_fun (*this, &Editor::parameter_changed));
1155         session->config.map_parameters (mem_fun (*this, &Editor::parameter_changed));
1156         
1157         session->StateSaved.connect (mem_fun(*this, &Editor::session_state_saved));
1158         
1159         refresh_location_display ();
1160         session->locations()->added.connect (mem_fun(*this, &Editor::add_new_location));
1161         session->locations()->removed.connect (mem_fun(*this, &Editor::location_gone));
1162         session->locations()->changed.connect (mem_fun(*this, &Editor::refresh_location_display));
1163         session->locations()->StateChanged.connect (mem_fun(*this, &Editor::refresh_location_display_s));
1164         session->locations()->end_location()->changed.connect (mem_fun(*this, &Editor::end_location_changed));
1165
1166         if (sfbrowser) {
1167                 sfbrowser->set_session (session);
1168         }
1169
1170         handle_new_duration ();
1171
1172         redisplay_named_selections ();
1173
1174         restore_ruler_visibility ();
1175         //tempo_map_changed (Change (0));
1176         session->tempo_map().apply_with_metrics (*this, &Editor::draw_metric_marks);
1177
1178         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
1179                 (static_cast<TimeAxisView*>(*i))->set_samples_per_unit (frames_per_unit);
1180         }
1181
1182         start_scrolling ();
1183
1184         switch (snap_type) {
1185         case SnapToRegionStart:
1186         case SnapToRegionEnd:
1187         case SnapToRegionSync:
1188         case SnapToRegionBoundary:
1189                 build_region_boundary_cache ();
1190                 break;
1191
1192         default:
1193                 break;
1194         }
1195
1196         /* register for undo history */
1197         session->register_with_memento_command_factory(_id, this);
1198
1199         _summary->connect_to_session (session);
1200         _group_tabs->connect_to_session (session);
1201         _route_groups->connect_to_session (session);
1202         _regions->connect_to_session (session);
1203         _snapshots->connect_to_session (session);
1204         _routes->connect_to_session (session);
1205         
1206         start_updating ();
1207 }
1208
1209 void
1210 Editor::build_cursors ()
1211 {
1212         using namespace Gdk;
1213         
1214         Gdk::Color mbg ("#000000" ); /* Black */
1215         Gdk::Color mfg ("#0000ff" ); /* Blue. */
1216
1217         {
1218                 RefPtr<Bitmap> source, mask;
1219                 source = Bitmap::create (mag_bits, mag_width, mag_height);
1220                 mask = Bitmap::create (magmask_bits, mag_width, mag_height);
1221                 zoom_cursor = new Gdk::Cursor (source, mask, mfg, mbg, mag_x_hot, mag_y_hot);
1222         }
1223
1224         Gdk::Color fbg ("#ffffff" );
1225         Gdk::Color ffg  ("#000000" );
1226         
1227         {
1228                 RefPtr<Bitmap> source, mask;
1229                 
1230                 source = Bitmap::create (fader_cursor_bits, fader_cursor_width, fader_cursor_height);
1231                 mask = Bitmap::create (fader_cursor_mask_bits, fader_cursor_width, fader_cursor_height);
1232                 fader_cursor = new Gdk::Cursor (source, mask, ffg, fbg, fader_cursor_x_hot, fader_cursor_y_hot);
1233         }
1234         
1235         { 
1236                 RefPtr<Bitmap> source, mask;
1237                 source = Bitmap::create (speaker_cursor_bits, speaker_cursor_width, speaker_cursor_height);
1238                 mask = Bitmap::create (speaker_cursor_mask_bits, speaker_cursor_width, speaker_cursor_height);
1239                 speaker_cursor = new Gdk::Cursor (source, mask, ffg, fbg, speaker_cursor_x_hot, speaker_cursor_y_hot);
1240         }
1241         
1242         { 
1243                 RefPtr<Bitmap> bits;
1244                 char pix[4] = { 0, 0, 0, 0 };
1245                 bits = Bitmap::create (pix, 2, 2);
1246                 Gdk::Color c;
1247                 transparent_cursor = new Gdk::Cursor (bits, bits, c, c, 0, 0);
1248         }
1249
1250         { 
1251                 RefPtr<Bitmap> bits;
1252                 char pix[4] = { 0, 0, 0, 0 };
1253                 bits = Bitmap::create (pix, 2, 2);
1254                 Gdk::Color c;
1255                 transparent_cursor = new Gdk::Cursor (bits, bits, c, c, 0, 0);
1256         }
1257         
1258
1259         grabber_cursor = new Gdk::Cursor (HAND2);
1260         
1261         {
1262                 Glib::RefPtr<Gdk::Pixbuf> grabber_edit_point_pixbuf (::get_icon ("grabber_edit_point"));
1263                 grabber_edit_point_cursor = new Gdk::Cursor (Gdk::Display::get_default(), grabber_edit_point_pixbuf, 5, 17);
1264         }
1265
1266         cross_hair_cursor = new Gdk::Cursor (CROSSHAIR);
1267         trimmer_cursor =  new Gdk::Cursor (SB_H_DOUBLE_ARROW);
1268         selector_cursor = new Gdk::Cursor (XTERM);
1269         time_fx_cursor = new Gdk::Cursor (SIZING);
1270         wait_cursor = new Gdk::Cursor  (WATCH);
1271         timebar_cursor = new Gdk::Cursor(LEFT_PTR);
1272         midi_pencil_cursor = new Gdk::Cursor (PENCIL);
1273         midi_select_cursor = new Gdk::Cursor (CENTER_PTR);
1274         midi_resize_cursor = new Gdk::Cursor (SIZING);
1275         midi_erase_cursor = new Gdk::Cursor (DRAPED_BOX);
1276 }
1277
1278 /** Pop up a context menu for when the user clicks on a fade in or fade out */
1279 void
1280 Editor::popup_fade_context_menu (int button, int32_t time, ArdourCanvas::Item* item, ItemType item_type)
1281 {
1282         using namespace Menu_Helpers;
1283         AudioRegionView* arv = static_cast<AudioRegionView*> (item->get_data ("regionview"));
1284
1285         if (arv == 0) {
1286                 fatal << _("programming error: fade in canvas item has no regionview data pointer!") << endmsg;
1287                 /*NOTREACHED*/
1288         }
1289
1290         MenuList& items (fade_context_menu.items());
1291
1292         items.clear ();
1293
1294         switch (item_type) {
1295         case FadeInItem:
1296         case FadeInHandleItem:
1297                 if (arv->audio_region()->fade_in_active()) {
1298                         items.push_back (MenuElem (_("Deactivate"), bind (mem_fun (*this, &Editor::set_fade_in_active), false)));
1299                 } else {
1300                         items.push_back (MenuElem (_("Activate"), bind (mem_fun (*this, &Editor::set_fade_in_active), true)));
1301                 }
1302                 
1303                 items.push_back (SeparatorElem());
1304
1305                 if (Profile->get_sae()) {
1306                         items.push_back (MenuElem (_("Linear"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Linear)));
1307                         items.push_back (MenuElem (_("Slowest"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Fast)));
1308                 } else {
1309                         items.push_back (MenuElem (_("Linear"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Linear)));
1310                         items.push_back (MenuElem (_("Slowest"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Fast)));
1311                         items.push_back (MenuElem (_("Slow"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::LogB)));
1312                         items.push_back (MenuElem (_("Fast"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::LogA)));
1313                         items.push_back (MenuElem (_("Fastest"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Slow)));
1314                 }
1315
1316                 break;
1317
1318         case FadeOutItem:
1319         case FadeOutHandleItem:
1320                 if (arv->audio_region()->fade_out_active()) {
1321                         items.push_back (MenuElem (_("Deactivate"), bind (mem_fun (*this, &Editor::set_fade_out_active), false)));
1322                 } else {
1323                         items.push_back (MenuElem (_("Activate"), bind (mem_fun (*this, &Editor::set_fade_out_active), true)));
1324                 }
1325                 
1326                 items.push_back (SeparatorElem());
1327                 
1328                 if (Profile->get_sae()) {
1329                         items.push_back (MenuElem (_("Linear"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Linear)));
1330                         items.push_back (MenuElem (_("Slowest"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Slow)));
1331                 } else {
1332                         items.push_back (MenuElem (_("Linear"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Linear)));
1333                         items.push_back (MenuElem (_("Slowest"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Slow)));
1334                         items.push_back (MenuElem (_("Slow"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::LogA)));
1335                         items.push_back (MenuElem (_("Fast"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::LogB)));
1336                         items.push_back (MenuElem (_("Fastest"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Fast)));
1337                 }
1338
1339                 break;
1340
1341         default:
1342                 fatal << _("programming error: ")
1343                       << X_("non-fade canvas item passed to popup_fade_context_menu()")
1344                       << endmsg;
1345                 /*NOTREACHED*/
1346         }
1347
1348         fade_context_menu.popup (button, time);
1349 }
1350
1351 void
1352 Editor::popup_track_context_menu (int button, int32_t time, ItemType item_type, bool with_selection, nframes64_t frame)
1353 {
1354         using namespace Menu_Helpers;
1355         Menu* (Editor::*build_menu_function)(nframes64_t);
1356         Menu *menu;
1357
1358         switch (item_type) {
1359         case RegionItem:
1360         case RegionViewName:
1361         case RegionViewNameHighlight:
1362                 if (with_selection) {
1363                         build_menu_function = &Editor::build_track_selection_context_menu;
1364                 } else {
1365                         build_menu_function = &Editor::build_track_region_context_menu;
1366                 }
1367                 break;
1368
1369         case SelectionItem:
1370                 if (with_selection) {
1371                         build_menu_function = &Editor::build_track_selection_context_menu;
1372                 } else {
1373                         build_menu_function = &Editor::build_track_context_menu;
1374                 }
1375                 break;
1376
1377         case CrossfadeViewItem:
1378                 build_menu_function = &Editor::build_track_crossfade_context_menu;
1379                 break;
1380
1381         case StreamItem:
1382                 if (clicked_routeview->get_diskstream()) {
1383                         build_menu_function = &Editor::build_track_context_menu;
1384                 } else {
1385                         build_menu_function = &Editor::build_track_bus_context_menu;
1386                 }
1387                 break;
1388
1389         default:
1390                 /* probably shouldn't happen but if it does, we don't care */
1391                 return;
1392         }
1393
1394         menu = (this->*build_menu_function)(frame);
1395         menu->set_name ("ArdourContextMenu");
1396         
1397         /* now handle specific situations */
1398
1399         switch (item_type) {
1400         case RegionItem:
1401         case RegionViewName:
1402         case RegionViewNameHighlight:
1403                 if (!with_selection) {
1404                         if (region_edit_menu_split_item) {
1405                                 if (clicked_regionview && clicked_regionview->region()->covers (get_preferred_edit_position())) {
1406                                         ActionManager::set_sensitive (ActionManager::edit_point_in_region_sensitive_actions, true);
1407                                 } else {
1408                                         ActionManager::set_sensitive (ActionManager::edit_point_in_region_sensitive_actions, false);
1409                                 }
1410                         }
1411                         /*
1412                         if (region_edit_menu_split_multichannel_item) {
1413                                 if (clicked_regionview && clicked_regionview->region().n_channels() > 1) {
1414                                         // GTK2FIX find the action, change its sensitivity
1415                                         // region_edit_menu_split_multichannel_item->set_sensitive (true);
1416                                 } else {
1417                                         // GTK2FIX see above
1418                                         // region_edit_menu_split_multichannel_item->set_sensitive (false);
1419                                 }
1420                         }*/
1421                 }
1422                 break;
1423
1424         case SelectionItem:
1425                 break;
1426
1427         case CrossfadeViewItem:
1428                 break;
1429
1430         case StreamItem:
1431                 break;
1432
1433         default:
1434                 /* probably shouldn't happen but if it does, we don't care */
1435                 return;
1436         }
1437
1438         if (item_type != SelectionItem && clicked_routeview && clicked_routeview->audio_track()) {
1439
1440                 /* Bounce to disk */
1441                 
1442                 using namespace Menu_Helpers;
1443                 MenuList& edit_items  = menu->items();
1444                 
1445                 edit_items.push_back (SeparatorElem());
1446
1447                 switch (clicked_routeview->audio_track()->freeze_state()) {
1448                 case AudioTrack::NoFreeze:
1449                         edit_items.push_back (MenuElem (_("Freeze"), mem_fun(*this, &Editor::freeze_route)));
1450                         break;
1451
1452                 case AudioTrack::Frozen:
1453                         edit_items.push_back (MenuElem (_("Unfreeze"), mem_fun(*this, &Editor::unfreeze_route)));
1454                         break;
1455                         
1456                 case AudioTrack::UnFrozen:
1457                         edit_items.push_back (MenuElem (_("Freeze"), mem_fun(*this, &Editor::freeze_route)));
1458                         break;
1459                 }
1460
1461         }
1462
1463         if (item_type == StreamItem && clicked_routeview) {
1464                 clicked_routeview->build_underlay_menu(menu);
1465         }
1466
1467         menu->popup (button, time);
1468 }
1469
1470 Menu*
1471 Editor::build_track_context_menu (nframes64_t)
1472 {
1473         using namespace Menu_Helpers;
1474
1475         MenuList& edit_items = track_context_menu.items();
1476         edit_items.clear();
1477
1478         add_dstream_context_items (edit_items);
1479         return &track_context_menu;
1480 }
1481
1482 Menu*
1483 Editor::build_track_bus_context_menu (nframes64_t)
1484 {
1485         using namespace Menu_Helpers;
1486
1487         MenuList& edit_items = track_context_menu.items();
1488         edit_items.clear();
1489
1490         add_bus_context_items (edit_items);
1491         return &track_context_menu;
1492 }
1493
1494 Menu*
1495 Editor::build_track_region_context_menu (nframes64_t frame)
1496 {
1497         using namespace Menu_Helpers;
1498         MenuList& edit_items  = track_region_context_menu.items();
1499         edit_items.clear();
1500
1501         RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (clicked_axisview);
1502
1503         if (rtv) {
1504                 boost::shared_ptr<Diskstream> ds;
1505                 boost::shared_ptr<Playlist> pl;
1506                 
1507                 if ((ds = rtv->get_diskstream()) && ((pl = ds->playlist()))) {
1508                         Playlist::RegionList* regions = pl->regions_at ((nframes64_t) floor ( (double)frame * ds->speed()));
1509
1510                         if (selection->regions.size() > 1) {
1511                                 // there's already a multiple selection: just add a 
1512                                 // single region context menu that will act on all 
1513                                 // selected regions
1514                                 boost::shared_ptr<Region> dummy_region; // = NULL               
1515                                 add_region_context_items (rtv->view(), dummy_region, edit_items);                       
1516                         } else {
1517                                 for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
1518                                         add_region_context_items (rtv->view(), (*i), edit_items);
1519                                 }
1520                         }
1521
1522                         delete regions;
1523                 }
1524         }
1525
1526         add_dstream_context_items (edit_items);
1527
1528         return &track_region_context_menu;
1529 }
1530
1531 Menu*
1532 Editor::build_track_crossfade_context_menu (nframes64_t frame)
1533 {
1534         using namespace Menu_Helpers;
1535         MenuList& edit_items  = track_crossfade_context_menu.items();
1536         edit_items.clear ();
1537
1538         AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*> (clicked_axisview);
1539
1540         if (atv) {
1541                 boost::shared_ptr<Diskstream> ds;
1542                 boost::shared_ptr<Playlist> pl;
1543                 boost::shared_ptr<AudioPlaylist> apl;
1544
1545                 if ((ds = atv->get_diskstream()) && ((pl = ds->playlist()) != 0) && ((apl = boost::dynamic_pointer_cast<AudioPlaylist> (pl)) != 0)) {
1546
1547                         Playlist::RegionList* regions = pl->regions_at (frame);
1548                         AudioPlaylist::Crossfades xfades;
1549
1550                         apl->crossfades_at (frame, xfades);
1551
1552                         bool many = xfades.size() > 1;
1553
1554                         for (AudioPlaylist::Crossfades::iterator i = xfades.begin(); i != xfades.end(); ++i) {
1555                                 add_crossfade_context_items (atv->audio_view(), (*i), edit_items, many);
1556                         }
1557
1558                         if (selection->regions.size() > 1) {
1559                                 // there's already a multiple selection: just add a 
1560                                 // single region context menu that will act on all 
1561                                 // selected regions
1562                                 boost::shared_ptr<Region> dummy_region; // = NULL               
1563                                 add_region_context_items (atv->audio_view(), dummy_region, edit_items);                 
1564                         } else {
1565                                 for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
1566                                         add_region_context_items (atv->audio_view(), (*i), edit_items);
1567                                 }
1568                         }
1569                         delete regions;
1570                 }
1571         }
1572
1573         add_dstream_context_items (edit_items);
1574
1575         return &track_crossfade_context_menu;
1576 }
1577
1578 void
1579 Editor::analyze_region_selection()
1580 {
1581         if (analysis_window == 0) {
1582                 analysis_window = new AnalysisWindow();
1583
1584                 if (session != 0)
1585                         analysis_window->set_session(session);
1586
1587                 analysis_window->show_all();
1588         }
1589
1590         analysis_window->set_regionmode();
1591         analysis_window->analyze();
1592         
1593         analysis_window->present();
1594 }
1595
1596 void
1597 Editor::analyze_range_selection()
1598 {
1599         if (analysis_window == 0) {
1600                 analysis_window = new AnalysisWindow();
1601
1602                 if (session != 0)
1603                         analysis_window->set_session(session);
1604
1605                 analysis_window->show_all();
1606         }
1607
1608         analysis_window->set_rangemode();
1609         analysis_window->analyze();
1610         
1611         analysis_window->present();
1612 }
1613
1614 Menu*
1615 Editor::build_track_selection_context_menu (nframes64_t)
1616 {
1617         using namespace Menu_Helpers;
1618         MenuList& edit_items  = track_selection_context_menu.items();
1619         edit_items.clear ();
1620
1621         add_selection_context_items (edit_items);
1622         // edit_items.push_back (SeparatorElem());
1623         // add_dstream_context_items (edit_items);
1624
1625         return &track_selection_context_menu;
1626 }
1627
1628 /** Add context menu items relevant to crossfades.
1629  * @param edit_items List to add the items to.
1630  */
1631 void
1632 Editor::add_crossfade_context_items (AudioStreamView* /*view*/, boost::shared_ptr<Crossfade> xfade, Menu_Helpers::MenuList& edit_items, bool many)
1633 {
1634         using namespace Menu_Helpers;
1635         Menu     *xfade_menu = manage (new Menu);
1636         MenuList& items       = xfade_menu->items();
1637         xfade_menu->set_name ("ArdourContextMenu");
1638         string str;
1639
1640         if (xfade->active()) {
1641                 str = _("Mute");
1642         } else { 
1643                 str = _("Unmute");
1644         }
1645
1646         items.push_back (MenuElem (str, bind (mem_fun(*this, &Editor::toggle_xfade_active), boost::weak_ptr<Crossfade> (xfade))));
1647         items.push_back (MenuElem (_("Edit"), bind (mem_fun(*this, &Editor::edit_xfade), boost::weak_ptr<Crossfade> (xfade))));
1648
1649         if (xfade->can_follow_overlap()) {
1650
1651                 if (xfade->following_overlap()) {
1652                         str = _("Convert to short");
1653                 } else {
1654                         str = _("Convert to full");
1655                 }
1656
1657                 items.push_back (MenuElem (str, bind (mem_fun(*this, &Editor::toggle_xfade_length), xfade)));
1658         }
1659
1660         if (many) {
1661                 str = xfade->out()->name();
1662                 str += "->";
1663                 str += xfade->in()->name();
1664         } else {
1665                 str = _("Crossfade");
1666         }
1667
1668         edit_items.push_back (MenuElem (str, *xfade_menu));
1669         edit_items.push_back (SeparatorElem());
1670 }
1671
1672 void
1673 Editor::xfade_edit_left_region ()
1674 {
1675         if (clicked_crossfadeview) {
1676                 clicked_crossfadeview->left_view.show_region_editor ();
1677         }
1678 }
1679
1680 void
1681 Editor::xfade_edit_right_region ()
1682 {
1683         if (clicked_crossfadeview) {
1684                 clicked_crossfadeview->right_view.show_region_editor ();
1685         }
1686 }
1687
1688 void
1689 Editor::add_region_context_items (StreamView* sv, boost::shared_ptr<Region> region, Menu_Helpers::MenuList& edit_items)
1690 {
1691         using namespace Menu_Helpers;
1692         Gtk::MenuItem* foo_item;
1693         Menu     *region_menu = manage (new Menu);
1694         MenuList& items       = region_menu->items();
1695         region_menu->set_name ("ArdourContextMenu");
1696
1697         boost::shared_ptr<AudioRegion> ar;
1698         boost::shared_ptr<MidiRegion>  mr;
1699
1700         if (region) {
1701                 ar = boost::dynamic_pointer_cast<AudioRegion> (region);
1702                 mr = boost::dynamic_pointer_cast<MidiRegion> (region);
1703
1704                 /* when this particular menu pops up, make the relevant region 
1705                    become selected.
1706                 */
1707
1708                 region_menu->signal_map_event().connect (
1709                         bind (mem_fun(*this, &Editor::set_selected_regionview_from_map_event), sv, boost::weak_ptr<Region>(region)));
1710                 
1711                 items.push_back (MenuElem (_("Rename"), mem_fun(*this, &Editor::rename_region)));
1712                 items.push_back (MenuElem (_("Popup region editor"), mem_fun(*this, &Editor::edit_region)));
1713         }
1714
1715         items.push_back (MenuElem (_("Raise to top layer"), mem_fun(*this, &Editor::raise_region_to_top)));
1716         items.push_back (MenuElem (_("Lower to bottom layer"), mem_fun  (*this, &Editor::lower_region_to_bottom)));
1717         items.push_back (SeparatorElem());
1718         items.push_back (MenuElem (_("Define sync point"), mem_fun(*this, &Editor::set_region_sync_from_edit_point)));
1719         items.push_back (MenuElem (_("Remove sync point"), mem_fun(*this, &Editor::remove_region_sync)));
1720         items.push_back (SeparatorElem());
1721
1722         items.push_back (MenuElem (_("Audition"), mem_fun(*this, &Editor::play_selected_region)));
1723         items.push_back (MenuElem (_("Export"), mem_fun(*this, &Editor::export_region)));
1724         items.push_back (MenuElem (_("Bounce"), mem_fun(*this, &Editor::bounce_region_selection)));
1725
1726         if (ar) {
1727                 items.push_back (MenuElem (_("Spectral Analysis"), mem_fun(*this, &Editor::analyze_region_selection)));
1728         }
1729
1730         items.push_back (SeparatorElem());
1731
1732         sigc::connection fooc;
1733         boost::shared_ptr<Region> region_to_check;
1734
1735         if (region) {
1736                 region_to_check = region;
1737         } else {
1738                 region_to_check = selection->regions.front()->region();
1739         }
1740
1741         items.push_back (CheckMenuElem (_("Lock")));
1742         CheckMenuItem* region_lock_item = static_cast<CheckMenuItem*>(&items.back());
1743         if (region_to_check->locked()) {
1744                 region_lock_item->set_active();
1745         }
1746         region_lock_item->signal_activate().connect (mem_fun(*this, &Editor::toggle_region_lock));
1747         
1748         items.push_back (CheckMenuElem (_("Glue to Bars&Beats")));
1749         CheckMenuItem* bbt_glue_item = static_cast<CheckMenuItem*>(&items.back());
1750         
1751         switch (region_to_check->positional_lock_style()) {
1752         case Region::MusicTime:
1753                 bbt_glue_item->set_active (true);
1754                 break;
1755         default:
1756                 bbt_glue_item->set_active (false);
1757                 break;
1758         }
1759         
1760         bbt_glue_item->signal_activate().connect (bind (mem_fun (*this, &Editor::set_region_lock_style), Region::MusicTime));
1761         
1762         items.push_back (CheckMenuElem (_("Mute")));
1763         CheckMenuItem* region_mute_item = static_cast<CheckMenuItem*>(&items.back());
1764         fooc = region_mute_item->signal_activate().connect (mem_fun(*this, &Editor::toggle_region_mute));
1765         if (region_to_check->muted()) {
1766                 fooc.block (true);
1767                 region_mute_item->set_active();
1768                 fooc.block (false);
1769         }
1770         
1771         if (!Profile->get_sae()) {
1772                 items.push_back (CheckMenuElem (_("Opaque")));
1773                 CheckMenuItem* region_opaque_item = static_cast<CheckMenuItem*>(&items.back());
1774                 fooc = region_opaque_item->signal_activate().connect (mem_fun(*this, &Editor::toggle_region_opaque));
1775                 if (region_to_check->opaque()) {
1776                         fooc.block (true);
1777                         region_opaque_item->set_active();
1778                         fooc.block (false);
1779                 }
1780         }
1781         
1782         items.push_back (CheckMenuElem (_("Original position"), mem_fun(*this, &Editor::naturalize)));
1783         if (region_to_check->at_natural_position()) {
1784                 items.back().set_sensitive (false);
1785         }
1786         
1787         items.push_back (SeparatorElem());
1788         
1789         if (ar) {
1790                 
1791                 RegionView* rv = sv->find_view (ar);
1792                 AudioRegionView* arv = dynamic_cast<AudioRegionView*>(rv);
1793                 
1794                 if (!Profile->get_sae()) {
1795                         items.push_back (MenuElem (_("Reset Envelope"), mem_fun(*this, &Editor::reset_region_gain_envelopes)));
1796
1797                         items.push_back (CheckMenuElem (_("Envelope Visible")));
1798                         CheckMenuItem* region_envelope_visible_item = static_cast<CheckMenuItem*> (&items.back());
1799                         fooc = region_envelope_visible_item->signal_activate().connect (mem_fun(*this, &Editor::toggle_gain_envelope_visibility));
1800                         if (arv->envelope_visible()) {
1801                                 fooc.block (true);
1802                                 region_envelope_visible_item->set_active (true);
1803                                 fooc.block (false);
1804                         }
1805                 
1806                         items.push_back (CheckMenuElem (_("Envelope Active")));
1807                         CheckMenuItem* region_envelope_active_item = static_cast<CheckMenuItem*> (&items.back());
1808                         fooc = region_envelope_active_item->signal_activate().connect (mem_fun(*this, &Editor::toggle_gain_envelope_active));
1809                         
1810                         if (ar->envelope_active()) {
1811                                 fooc.block (true);
1812                                 region_envelope_active_item->set_active (true);
1813                                 fooc.block (false);
1814                         }
1815
1816                         items.push_back (SeparatorElem());
1817                 }
1818
1819                 if (ar->scale_amplitude() != 1.0f) {
1820                         items.push_back (MenuElem (_("DeNormalize"), mem_fun(*this, &Editor::denormalize_region)));
1821                 } else {
1822                         items.push_back (MenuElem (_("Normalize"), mem_fun(*this, &Editor::normalize_region)));
1823                 }
1824
1825         } else if (mr) {
1826                 items.push_back (MenuElem (_("Quantize"), mem_fun(*this, &Editor::quantize_region)));
1827                 items.push_back (SeparatorElem());
1828         }
1829
1830         items.push_back (MenuElem (_("Strip silence..."), mem_fun (*this, &Editor::strip_region_silence)));
1831         items.push_back (MenuElem (_("Reverse"), mem_fun(*this, &Editor::reverse_region)));
1832         items.push_back (SeparatorElem());
1833
1834         /* range related stuff */
1835
1836         items.push_back (MenuElem (_("Add Single Range"), mem_fun (*this, &Editor::add_location_from_audio_region)));
1837         items.push_back (MenuElem (_("Add Range Markers"), mem_fun (*this, &Editor::add_locations_from_audio_region)));
1838         if (selection->regions.size() < 2) {
1839                 items.back().set_sensitive (false);
1840         }
1841
1842         items.push_back (MenuElem (_("Set Range Selection"), mem_fun (*this, &Editor::set_selection_from_region)));
1843         items.push_back (SeparatorElem());
1844                          
1845         /* Nudge region */
1846
1847         Menu *nudge_menu = manage (new Menu());
1848         MenuList& nudge_items = nudge_menu->items();
1849         nudge_menu->set_name ("ArdourContextMenu");
1850         
1851         nudge_items.push_back (MenuElem (_("Nudge fwd"), (bind (mem_fun(*this, &Editor::nudge_forward), false, false))));
1852         nudge_items.push_back (MenuElem (_("Nudge bwd"), (bind (mem_fun(*this, &Editor::nudge_backward), false, false))));
1853         nudge_items.push_back (MenuElem (_("Nudge fwd by capture offset"), (mem_fun(*this, &Editor::nudge_forward_capture_offset))));
1854         nudge_items.push_back (MenuElem (_("Nudge bwd by capture offset"), (mem_fun(*this, &Editor::nudge_backward_capture_offset))));
1855
1856         items.push_back (MenuElem (_("Nudge"), *nudge_menu));
1857         items.push_back (SeparatorElem());
1858
1859         Menu *trim_menu = manage (new Menu);
1860         MenuList& trim_items = trim_menu->items();
1861         trim_menu->set_name ("ArdourContextMenu");
1862         
1863         trim_items.push_back (MenuElem (_("Start to edit point"), mem_fun(*this, &Editor::trim_region_from_edit_point)));
1864         foo_item = &trim_items.back();
1865         if (_edit_point == EditAtMouse) {
1866                 foo_item->set_sensitive (false);
1867         }
1868         trim_items.push_back (MenuElem (_("Edit point to end"), mem_fun(*this, &Editor::trim_region_to_edit_point)));
1869         foo_item = &trim_items.back();
1870         if (_edit_point == EditAtMouse) {
1871                 foo_item->set_sensitive (false);
1872         }
1873         trim_items.push_back (MenuElem (_("Trim To Loop"), mem_fun(*this, &Editor::trim_region_to_loop)));
1874         trim_items.push_back (MenuElem (_("Trim To Punch"), mem_fun(*this, &Editor::trim_region_to_punch)));
1875                              
1876         items.push_back (MenuElem (_("Trim"), *trim_menu));
1877         items.push_back (SeparatorElem());
1878
1879         items.push_back (MenuElem (_("Split"), (mem_fun(*this, &Editor::split_region))));
1880         region_edit_menu_split_item = &items.back();
1881         
1882         if (_edit_point == EditAtMouse) {
1883                 region_edit_menu_split_item->set_sensitive (false);
1884         }
1885
1886         items.push_back (MenuElem (_("Make mono regions"), (mem_fun(*this, &Editor::split_multichannel_region))));
1887         region_edit_menu_split_multichannel_item = &items.back();
1888
1889         items.push_back (MenuElem (_("Duplicate"), (bind (mem_fun(*this, &Editor::duplicate_dialog), false))));
1890         items.push_back (MenuElem (_("Multi-Duplicate"), (bind (mem_fun(*this, &Editor::duplicate_dialog), true))));
1891         items.push_back (MenuElem (_("Fill Track"), (mem_fun(*this, &Editor::region_fill_track))));
1892         items.push_back (SeparatorElem());
1893         items.push_back (MenuElem (_("Remove"), mem_fun(*this, &Editor::remove_selected_regions)));
1894
1895         /* OK, stick the region submenu at the top of the list, and then add
1896            the standard items.
1897         */
1898
1899         /* we have to hack up the region name because "_" has a special
1900            meaning for menu titles.
1901         */
1902
1903         string::size_type pos = 0;
1904         string menu_item_name = (region) ? region->name() : _("Selected regions");
1905
1906         while ((pos = menu_item_name.find ("_", pos)) != string::npos) {
1907                 menu_item_name.replace (pos, 1, "__");
1908                 pos += 2;
1909         }
1910         
1911         edit_items.push_back (MenuElem (menu_item_name, *region_menu));
1912         edit_items.push_back (SeparatorElem());
1913 }
1914
1915 /** Add context menu items relevant to selection ranges.
1916  * @param edit_items List to add the items to.
1917  */
1918 void
1919 Editor::add_selection_context_items (Menu_Helpers::MenuList& edit_items)
1920 {
1921         using namespace Menu_Helpers;
1922
1923         edit_items.push_back (MenuElem (_("Play range"), mem_fun(*this, &Editor::play_selection)));
1924         edit_items.push_back (MenuElem (_("Loop range"), bind (mem_fun(*this, &Editor::set_loop_from_selection), true)));
1925
1926         edit_items.push_back (SeparatorElem());
1927         edit_items.push_back (MenuElem (_("Spectral Analysis"), mem_fun(*this, &Editor::analyze_range_selection)));
1928         
1929         edit_items.push_back (SeparatorElem());
1930         edit_items.push_back (MenuElem (_("Extend Range to End of Region"), bind (mem_fun(*this, &Editor::extend_selection_to_end_of_region), false)));
1931         edit_items.push_back (MenuElem (_("Extend Range to Start of Region"), bind (mem_fun(*this, &Editor::extend_selection_to_start_of_region), false)));
1932
1933         edit_items.push_back (SeparatorElem());
1934         edit_items.push_back (MenuElem (_("Convert to region in-place"), mem_fun(*this, &Editor::separate_region_from_selection)));
1935         edit_items.push_back (MenuElem (_("Convert to region in region list"), mem_fun(*this, &Editor::new_region_from_selection)));
1936         
1937         edit_items.push_back (SeparatorElem());
1938         edit_items.push_back (MenuElem (_("Select all in range"), mem_fun(*this, &Editor::select_all_selectables_using_time_selection)));
1939
1940         edit_items.push_back (SeparatorElem());
1941         edit_items.push_back (MenuElem (_("Set loop from selection"), bind (mem_fun(*this, &Editor::set_loop_from_selection), false)));
1942         edit_items.push_back (MenuElem (_("Set punch from selection"), mem_fun(*this, &Editor::set_punch_from_selection)));
1943         
1944         edit_items.push_back (SeparatorElem());
1945         edit_items.push_back (MenuElem (_("Add Range Markers"), mem_fun (*this, &Editor::add_location_from_selection)));
1946         edit_items.push_back (SeparatorElem());
1947         edit_items.push_back (MenuElem (_("Crop region to range"), mem_fun(*this, &Editor::crop_region_to_selection)));
1948         edit_items.push_back (MenuElem (_("Fill range with region"), mem_fun(*this, &Editor::region_fill_selection)));
1949         edit_items.push_back (MenuElem (_("Duplicate range"), bind (mem_fun(*this, &Editor::duplicate_dialog), false)));
1950         edit_items.push_back (MenuElem (_("Create chunk from range"), mem_fun(*this, &Editor::create_named_selection)));
1951         edit_items.push_back (SeparatorElem());
1952         edit_items.push_back (MenuElem (_("Consolidate range"), bind (mem_fun(*this, &Editor::bounce_range_selection), true, false)));
1953         edit_items.push_back (MenuElem (_("Consolidate range with processing"), bind (mem_fun(*this, &Editor::bounce_range_selection), true, true)));
1954         edit_items.push_back (MenuElem (_("Bounce range to region list"), bind (mem_fun(*this, &Editor::bounce_range_selection), false, false)));
1955         edit_items.push_back (MenuElem (_("Bounce range to region list with processing"), bind (mem_fun(*this, &Editor::bounce_range_selection), false, true)));
1956         edit_items.push_back (MenuElem (_("Export range"), mem_fun(*this, &Editor::export_range)));
1957 }
1958
1959         
1960 void
1961 Editor::add_dstream_context_items (Menu_Helpers::MenuList& edit_items)
1962 {
1963         using namespace Menu_Helpers;
1964
1965         /* Playback */
1966
1967         Menu *play_menu = manage (new Menu);
1968         MenuList& play_items = play_menu->items();
1969         play_menu->set_name ("ArdourContextMenu");
1970         
1971         play_items.push_back (MenuElem (_("Play from edit point"), mem_fun(*this, &Editor::play_from_edit_point)));
1972         play_items.push_back (MenuElem (_("Play from start"), mem_fun(*this, &Editor::play_from_start)));
1973         play_items.push_back (MenuElem (_("Play region"), mem_fun(*this, &Editor::play_selected_region)));
1974         play_items.push_back (SeparatorElem());
1975         play_items.push_back (MenuElem (_("Loop Region"), mem_fun(*this, &Editor::loop_selected_region)));
1976         
1977         edit_items.push_back (MenuElem (_("Play"), *play_menu));
1978
1979         /* Selection */
1980
1981         Menu *select_menu = manage (new Menu);
1982         MenuList& select_items = select_menu->items();
1983         select_menu->set_name ("ArdourContextMenu");
1984         
1985         select_items.push_back (MenuElem (_("Select All in track"), bind (mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
1986         select_items.push_back (MenuElem (_("Select All"), bind (mem_fun(*this, &Editor::select_all), Selection::Set)));
1987         select_items.push_back (MenuElem (_("Invert selection in track"), mem_fun(*this, &Editor::invert_selection_in_track)));
1988         select_items.push_back (MenuElem (_("Invert selection"), mem_fun(*this, &Editor::invert_selection)));
1989         select_items.push_back (SeparatorElem());
1990         select_items.push_back (MenuElem (_("Set range to loop range"), mem_fun(*this, &Editor::set_selection_from_loop)));
1991         select_items.push_back (MenuElem (_("Set range to punch range"), mem_fun(*this, &Editor::set_selection_from_punch)));
1992         select_items.push_back (SeparatorElem());
1993         select_items.push_back (MenuElem (_("Select All After Edit Point"), bind (mem_fun(*this, &Editor::select_all_selectables_using_edit), true)));
1994         select_items.push_back (MenuElem (_("Select All Before Edit Point"), bind (mem_fun(*this, &Editor::select_all_selectables_using_edit), false)));
1995         select_items.push_back (MenuElem (_("Select All After Playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
1996         select_items.push_back (MenuElem (_("Select All Before Playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
1997         select_items.push_back (MenuElem (_("Select All Between Playhead & Edit Point"), bind (mem_fun(*this, &Editor::select_all_selectables_between), false)));
1998         select_items.push_back (MenuElem (_("Select All Within Playhead & Edit Point"), bind (mem_fun(*this, &Editor::select_all_selectables_between), true)));
1999         select_items.push_back (MenuElem (_("Select Range Between Playhead & Edit Point"), mem_fun(*this, &Editor::select_range_between)));
2000
2001         select_items.push_back (SeparatorElem());
2002
2003         edit_items.push_back (MenuElem (_("Select"), *select_menu));
2004
2005         /* Cut-n-Paste */
2006
2007         Menu *cutnpaste_menu = manage (new Menu);
2008         MenuList& cutnpaste_items = cutnpaste_menu->items();
2009         cutnpaste_menu->set_name ("ArdourContextMenu");
2010         
2011         cutnpaste_items.push_back (MenuElem (_("Cut"), mem_fun(*this, &Editor::cut)));
2012         cutnpaste_items.push_back (MenuElem (_("Copy"), mem_fun(*this, &Editor::copy)));
2013         cutnpaste_items.push_back (MenuElem (_("Paste"), bind (mem_fun(*this, &Editor::paste), 1.0f)));
2014
2015         cutnpaste_items.push_back (SeparatorElem());
2016
2017         cutnpaste_items.push_back (MenuElem (_("Align"), bind (mem_fun(*this, &Editor::align), ARDOUR::SyncPoint)));
2018         cutnpaste_items.push_back (MenuElem (_("Align Relative"), bind (mem_fun(*this, &Editor::align_relative), ARDOUR::SyncPoint)));
2019
2020         cutnpaste_items.push_back (SeparatorElem());
2021
2022         cutnpaste_items.push_back (MenuElem (_("Insert chunk"), bind (mem_fun(*this, &Editor::paste_named_selection), 1.0f)));
2023
2024         edit_items.push_back (MenuElem (_("Edit"), *cutnpaste_menu));
2025
2026         /* Adding new material */
2027         
2028         edit_items.push_back (SeparatorElem());
2029         edit_items.push_back (MenuElem (_("Insert Selected Region"), bind (mem_fun(*this, &Editor::insert_region_list_selection), 1.0f)));
2030         edit_items.push_back (MenuElem (_("Insert Existing Media"), bind (mem_fun(*this, &Editor::add_external_audio_action), ImportToTrack)));
2031
2032         /* Nudge track */
2033
2034         Menu *nudge_menu = manage (new Menu());
2035         MenuList& nudge_items = nudge_menu->items();
2036         nudge_menu->set_name ("ArdourContextMenu");
2037         
2038         edit_items.push_back (SeparatorElem());
2039         nudge_items.push_back (MenuElem (_("Nudge entire track fwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, true))));
2040         nudge_items.push_back (MenuElem (_("Nudge track after edit point fwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, true))));
2041         nudge_items.push_back (MenuElem (_("Nudge entire track bwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, false))));
2042         nudge_items.push_back (MenuElem (_("Nudge track after edit point bwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, false))));
2043
2044         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
2045 }
2046
2047 void
2048 Editor::add_bus_context_items (Menu_Helpers::MenuList& edit_items)
2049 {
2050         using namespace Menu_Helpers;
2051
2052         /* Playback */
2053
2054         Menu *play_menu = manage (new Menu);
2055         MenuList& play_items = play_menu->items();
2056         play_menu->set_name ("ArdourContextMenu");
2057         
2058         play_items.push_back (MenuElem (_("Play from edit point"), mem_fun(*this, &Editor::play_from_edit_point)));
2059         play_items.push_back (MenuElem (_("Play from start"), mem_fun(*this, &Editor::play_from_start)));
2060         edit_items.push_back (MenuElem (_("Play"), *play_menu));
2061
2062         /* Selection */
2063
2064         Menu *select_menu = manage (new Menu);
2065         MenuList& select_items = select_menu->items();
2066         select_menu->set_name ("ArdourContextMenu");
2067         
2068         select_items.push_back (MenuElem (_("Select All in track"), bind (mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
2069         select_items.push_back (MenuElem (_("Select All"), bind (mem_fun(*this, &Editor::select_all), Selection::Set)));
2070         select_items.push_back (MenuElem (_("Invert selection in track"), mem_fun(*this, &Editor::invert_selection_in_track)));
2071         select_items.push_back (MenuElem (_("Invert selection"), mem_fun(*this, &Editor::invert_selection)));
2072         select_items.push_back (SeparatorElem());
2073         select_items.push_back (MenuElem (_("Select all after edit point"), bind (mem_fun(*this, &Editor::select_all_selectables_using_edit), true)));
2074         select_items.push_back (MenuElem (_("Select all before edit point"), bind (mem_fun(*this, &Editor::select_all_selectables_using_edit), false)));
2075         select_items.push_back (MenuElem (_("Select all after playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
2076         select_items.push_back (MenuElem (_("Select all before playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
2077
2078         edit_items.push_back (MenuElem (_("Select"), *select_menu));
2079
2080         /* Cut-n-Paste */
2081
2082         Menu *cutnpaste_menu = manage (new Menu);
2083         MenuList& cutnpaste_items = cutnpaste_menu->items();
2084         cutnpaste_menu->set_name ("ArdourContextMenu");
2085         
2086         cutnpaste_items.push_back (MenuElem (_("Cut"), mem_fun(*this, &Editor::cut)));
2087         cutnpaste_items.push_back (MenuElem (_("Copy"), mem_fun(*this, &Editor::copy)));
2088         cutnpaste_items.push_back (MenuElem (_("Paste"), bind (mem_fun(*this, &Editor::paste), 1.0f)));
2089
2090         Menu *nudge_menu = manage (new Menu());
2091         MenuList& nudge_items = nudge_menu->items();
2092         nudge_menu->set_name ("ArdourContextMenu");
2093         
2094         edit_items.push_back (SeparatorElem());
2095         nudge_items.push_back (MenuElem (_("Nudge entire track fwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, true))));
2096         nudge_items.push_back (MenuElem (_("Nudge track after edit point fwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, true))));
2097         nudge_items.push_back (MenuElem (_("Nudge entire track bwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, false))));
2098         nudge_items.push_back (MenuElem (_("Nudge track after edit point bwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, false))));
2099
2100         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
2101 }
2102
2103 void
2104 Editor::set_snap_to (SnapType st)
2105 {
2106         unsigned int snap_ind = (unsigned int)st;
2107
2108         snap_type = st;
2109         
2110         if (snap_ind > snap_type_strings.size() - 1) {
2111                 snap_ind = 0;
2112                 snap_type = (SnapType)snap_ind;
2113         }
2114         
2115         string str = snap_type_strings[snap_ind];
2116
2117         if (str != snap_type_selector.get_active_text()) {
2118                 snap_type_selector.set_active_text (str);
2119         }
2120
2121         instant_save ();
2122
2123         switch (snap_type) {
2124         case SnapToAThirtysecondBeat:
2125         case SnapToASixteenthBeat:
2126         case SnapToAEighthBeat:
2127         case SnapToAQuarterBeat:
2128         case SnapToAThirdBeat:
2129                 compute_bbt_ruler_scale (leftmost_frame, leftmost_frame + current_page_frames());
2130                 update_tempo_based_rulers ();
2131                 break;
2132
2133         case SnapToRegionStart:
2134         case SnapToRegionEnd:
2135         case SnapToRegionSync:
2136         case SnapToRegionBoundary:
2137                 build_region_boundary_cache ();
2138                 break;
2139
2140         default:
2141                 /* relax */
2142                 break;
2143     }
2144 }
2145
2146 void
2147 Editor::set_snap_mode (SnapMode mode)
2148 {
2149         snap_mode = mode;
2150         string str = snap_mode_strings[(int)mode];
2151
2152         if (str != snap_mode_selector.get_active_text ()) {
2153                 snap_mode_selector.set_active_text (str);
2154         }
2155
2156         instant_save ();
2157 }
2158 void
2159 Editor::set_edit_point_preference (EditPoint ep, bool force)
2160 {
2161         bool changed = (_edit_point != ep);
2162
2163         _edit_point = ep;
2164         string str = edit_point_strings[(int)ep];
2165
2166         if (str != edit_point_selector.get_active_text ()) {
2167                 edit_point_selector.set_active_text (str);
2168         }
2169
2170         set_canvas_cursor ();
2171
2172         if (!force && !changed) {
2173                 return;
2174         }
2175
2176         switch (zoom_focus) {
2177         case ZoomFocusMouse:
2178         case ZoomFocusPlayhead:
2179         case ZoomFocusEdit:
2180                 switch (_edit_point) {
2181                 case EditAtMouse:
2182                         set_zoom_focus (ZoomFocusMouse);
2183                         break;
2184                 case EditAtPlayhead:
2185                         set_zoom_focus (ZoomFocusPlayhead);
2186                         break;
2187                 case EditAtSelectedMarker:
2188                         set_zoom_focus (ZoomFocusEdit);
2189                         break;
2190                 }
2191                 break;
2192         default:
2193                 break;
2194         }
2195
2196         const char* action=NULL;
2197
2198         switch (_edit_point) {
2199         case EditAtPlayhead:
2200                 action = "edit-at-playhead";
2201                 break;
2202         case EditAtSelectedMarker:
2203                 action = "edit-at-marker";
2204                 break;
2205         case EditAtMouse:
2206                 action = "edit-at-mouse";
2207                 break;
2208         }
2209
2210         Glib::RefPtr<Action> act = ActionManager::get_action ("Editor", action);
2211         if (act) {
2212                 Glib::RefPtr<RadioAction>::cast_dynamic(act)->set_active (true);
2213         }
2214
2215         nframes64_t foo;
2216         bool in_track_canvas;
2217
2218         if (!mouse_frame (foo, in_track_canvas)) {
2219                 in_track_canvas = false;
2220         }
2221
2222         reset_canvas_action_sensitivity (in_track_canvas);
2223
2224         instant_save ();
2225 }
2226
2227 int
2228 Editor::set_state (const XMLNode& node)
2229 {
2230         const XMLProperty* prop;
2231         XMLNode* geometry;
2232         int x, y, xoff, yoff;
2233         Gdk::Geometry g;
2234
2235         if ((prop = node.property ("id")) != 0) {
2236                 _id = prop->value ();
2237         }
2238
2239         g.base_width = default_width;
2240         g.base_height = default_height;
2241         x = 1;
2242         y = 1;
2243         xoff = 0;
2244         yoff = 21;
2245
2246         if ((geometry = find_named_node (node, "geometry")) != 0) {
2247
2248                 XMLProperty* prop;
2249
2250                 if ((prop = geometry->property("x_size")) == 0) {
2251                         prop = geometry->property ("x-size");
2252                 }
2253                 if (prop) {
2254                         g.base_width = atoi(prop->value());
2255                 }
2256                 if ((prop = geometry->property("y_size")) == 0) {
2257                         prop = geometry->property ("y-size");
2258                 }
2259                 if (prop) {
2260                         g.base_height = atoi(prop->value());
2261                 }
2262
2263                 if ((prop = geometry->property ("x_pos")) == 0) {
2264                         prop = geometry->property ("x-pos");
2265                 }
2266                 if (prop) {
2267                         x = atoi (prop->value());
2268
2269                 }
2270                 if ((prop = geometry->property ("y_pos")) == 0) {
2271                         prop = geometry->property ("y-pos");
2272                 }
2273                 if (prop) {
2274                         y = atoi (prop->value());
2275                 }
2276
2277                 if ((prop = geometry->property ("x_off")) == 0) {
2278                         prop = geometry->property ("x-off");
2279                 }
2280                 if (prop) {
2281                         xoff = atoi (prop->value());
2282                 }
2283                 if ((prop = geometry->property ("y_off")) == 0) {
2284                         prop = geometry->property ("y-off");
2285                 }
2286                 if (prop) {
2287                         yoff = atoi (prop->value());
2288                 }
2289         }
2290
2291         set_default_size (g.base_width, g.base_height);
2292         move (x, y);
2293
2294         if (session && (prop = node.property ("playhead"))) {
2295                 nframes64_t pos = atol (prop->value().c_str());
2296                 playhead_cursor->set_position (pos);
2297         } else {
2298                 playhead_cursor->set_position (0);
2299
2300                 /* reset_x_origin() doesn't work right here, since the old
2301                    position may be zero already, and it does nothing in such
2302                    circumstances.
2303                 */
2304                 
2305                 leftmost_frame = 0;
2306                 horizontal_adjustment.set_value (0);
2307         }
2308
2309         if ((prop = node.property ("mixer-width"))) {
2310                 editor_mixer_strip_width = Width (string_2_enum (prop->value(), editor_mixer_strip_width));
2311         }
2312
2313         if ((prop = node.property ("zoom-focus"))) {
2314                 set_zoom_focus ((ZoomFocus) atoi (prop->value()));
2315         }
2316
2317         if ((prop = node.property ("zoom"))) {
2318                 reset_zoom (PBD::atof (prop->value()));
2319         }
2320
2321         if ((prop = node.property ("snap-to"))) {
2322                 set_snap_to ((SnapType) atoi (prop->value()));
2323         }
2324
2325         if ((prop = node.property ("snap-mode"))) {
2326                 set_snap_mode ((SnapMode) atoi (prop->value()));
2327         }
2328
2329         if ((prop = node.property ("edit-point"))) {
2330                 set_edit_point_preference ((EditPoint) string_2_enum (prop->value(), _edit_point), true);
2331         }
2332
2333         if ((prop = node.property ("mouse-mode"))) {
2334                 MouseMode m = str2mousemode(prop->value());
2335                 mouse_mode = MouseMode ((int) m + 1); /* lie, force mode switch */
2336                 set_mouse_mode (m, true);
2337         } else {
2338                 mouse_mode = MouseGain; /* lie, to force the mode switch */
2339                 set_mouse_mode (MouseObject, true);
2340         }
2341
2342         if ((prop = node.property ("show-waveforms-recording"))) {
2343                 bool yn = (prop->value() == "yes");
2344                 _show_waveforms_recording = !yn;
2345                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleWaveformsWhileRecording"));
2346                 if (act) {
2347                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2348                         /* do it twice to force the change */
2349                         tact->set_active (!yn);
2350                         tact->set_active (yn);
2351                 }
2352         }
2353         
2354         if ((prop = node.property ("show-measures"))) {
2355                 bool yn = (prop->value() == "yes");
2356                 _show_measures = !yn;
2357                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleMeasureVisibility"));
2358                 if (act) {
2359                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2360                         /* do it twice to force the change */
2361                         tact->set_active (!yn);
2362                         tact->set_active (yn);
2363                 }
2364         }
2365
2366         if ((prop = node.property ("follow-playhead"))) {
2367                 bool yn = (prop->value() == "yes");
2368                 set_follow_playhead (yn);
2369                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
2370                 if (act) {
2371                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2372                         if (tact->get_active() != yn) {
2373                                 tact->set_active (yn);
2374                         }
2375                 }
2376         }
2377
2378         if ((prop = node.property ("region-list-sort-type"))) {
2379                 _regions->reset_sort_type (str2regionlistsorttype(prop->value()), true);
2380         }
2381
2382         if ((prop = node.property ("xfades-visible"))) {
2383                 bool yn = (prop->value() == "yes");
2384                 _xfade_visibility = !yn;
2385                 // set_xfade_visibility (yn);
2386         }
2387
2388         if ((prop = node.property ("show-editor-mixer"))) {
2389
2390                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2391                 if (act) {
2392
2393                         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2394                         bool yn = (prop->value() == X_("yes"));
2395
2396                         /* do it twice to force the change */
2397                         
2398                         tact->set_active (!yn);
2399                         tact->set_active (yn);
2400                 }
2401         }
2402         
2403         if ((prop = node.property ("show-editor-list"))) {
2404
2405                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-list"));
2406                 assert(act);
2407                 if (act) {
2408
2409                         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2410                         bool yn = (prop->value() == X_("yes"));
2411
2412                         /* do it twice to force the change */
2413                         
2414                         tact->set_active (!yn);
2415                         tact->set_active (yn);
2416                 }
2417         }
2418
2419
2420         return 0;
2421 }
2422
2423 XMLNode&
2424 Editor::get_state ()
2425 {
2426         XMLNode* node = new XMLNode ("Editor");
2427         char buf[32];
2428
2429         _id.print (buf, sizeof (buf));
2430         node->add_property ("id", buf);
2431         
2432         if (is_realized()) {
2433                 Glib::RefPtr<Gdk::Window> win = get_window();
2434                 
2435                 int x, y, xoff, yoff, width, height;
2436                 win->get_root_origin(x, y);
2437                 win->get_position(xoff, yoff);
2438                 win->get_size(width, height);
2439                 
2440                 XMLNode* geometry = new XMLNode ("geometry");
2441
2442                 snprintf(buf, sizeof(buf), "%d", width);
2443                 geometry->add_property("x-size", string(buf));
2444                 snprintf(buf, sizeof(buf), "%d", height);
2445                 geometry->add_property("y-size", string(buf));
2446                 snprintf(buf, sizeof(buf), "%d", x);
2447                 geometry->add_property("x-pos", string(buf));
2448                 snprintf(buf, sizeof(buf), "%d", y);
2449                 geometry->add_property("y-pos", string(buf));
2450                 snprintf(buf, sizeof(buf), "%d", xoff);
2451                 geometry->add_property("x-off", string(buf));
2452                 snprintf(buf, sizeof(buf), "%d", yoff);
2453                 geometry->add_property("y-off", string(buf));
2454                 snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (static_cast<Paned*>(&edit_pane)->gobj()));
2455                 geometry->add_property("edit_pane_pos", string(buf));
2456
2457                 node->add_child_nocopy (*geometry);
2458         }
2459
2460         maybe_add_mixer_strip_width (*node);
2461         
2462         snprintf (buf, sizeof(buf), "%d", (int) zoom_focus);
2463         node->add_property ("zoom-focus", buf);
2464         snprintf (buf, sizeof(buf), "%f", frames_per_unit);
2465         node->add_property ("zoom", buf);
2466         snprintf (buf, sizeof(buf), "%d", (int) snap_type);
2467         node->add_property ("snap-to", buf);
2468         snprintf (buf, sizeof(buf), "%d", (int) snap_mode);
2469         node->add_property ("snap-mode", buf);
2470
2471         node->add_property ("edit-point", enum_2_string (_edit_point));
2472
2473         snprintf (buf, sizeof (buf), "%" PRIi64, playhead_cursor->current_frame);
2474         node->add_property ("playhead", buf);
2475
2476         node->add_property ("show-waveforms-recording", _show_waveforms_recording ? "yes" : "no");
2477         node->add_property ("show-measures", _show_measures ? "yes" : "no");
2478         node->add_property ("follow-playhead", _follow_playhead ? "yes" : "no");
2479         node->add_property ("xfades-visible", _xfade_visibility ? "yes" : "no");
2480         node->add_property ("region-list-sort-type", enum2str (_regions->sort_type ()));
2481         node->add_property ("mouse-mode", enum2str(mouse_mode));
2482         
2483         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2484         if (act) {
2485                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2486                 node->add_property (X_("show-editor-mixer"), tact->get_active() ? "yes" : "no");
2487         }
2488         
2489         act = ActionManager::get_action (X_("Editor"), X_("show-editor-list"));
2490         if (act) {
2491                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2492                 node->add_property (X_("show-editor-list"), tact->get_active() ? "yes" : "no");
2493         }
2494
2495         return *node;
2496 }
2497
2498
2499
2500 /** @param y y offset from the top of all trackviews.
2501  *  @return pair: TimeAxisView that y is over, layer index.
2502  *  TimeAxisView may be 0.  Layer index is the layer number if the TimeAxisView is valid and is
2503  *  in stacked region display mode, otherwise 0.
2504  */
2505 std::pair<TimeAxisView *, layer_t>
2506 Editor::trackview_by_y_position (double y)
2507 {
2508         for (TrackViewList::iterator iter = track_views.begin(); iter != track_views.end(); ++iter) {
2509
2510                 std::pair<TimeAxisView*, int> const r = (*iter)->covers_y_position (y);
2511                 if (r.first) {
2512                         return r;
2513                 }
2514         }
2515
2516         return std::make_pair ( (TimeAxisView *) 0, 0);
2517 }
2518
2519 void
2520 Editor::snap_to (nframes64_t& start, int32_t direction, bool for_mark)
2521 {
2522         if (!session || snap_mode == SnapOff) {
2523                 return;
2524         }
2525
2526         snap_to_internal (start, direction, for_mark);
2527 }
2528
2529 void
2530 Editor::snap_to_internal (nframes64_t& start, int32_t direction, bool for_mark)
2531 {
2532         Location* before = 0;
2533         Location* after = 0;
2534
2535         const nframes64_t one_second = session->frame_rate();
2536         const nframes64_t one_minute = session->frame_rate() * 60;
2537         const nframes64_t one_smpte_second = (nframes64_t)(rint(session->smpte_frames_per_second()) * session->frames_per_smpte_frame());
2538         nframes64_t one_smpte_minute = (nframes64_t)(rint(session->smpte_frames_per_second()) * session->frames_per_smpte_frame() * 60);
2539         nframes64_t presnap = start;
2540
2541         switch (snap_type) {
2542         case SnapToCDFrame:
2543                 if (((direction == 0) && (start % (one_second/75) > (one_second/75) / 2)) || (direction > 0)) {
2544                         start = (nframes64_t) ceil ((double) start / (one_second / 75)) * (one_second / 75);
2545                 } else {
2546                         start = (nframes64_t) floor ((double) start / (one_second / 75)) * (one_second / 75);
2547                 }
2548                 break;
2549
2550         case SnapToSMPTEFrame:
2551                 if (((direction == 0) && (fmod((double)start, (double)session->frames_per_smpte_frame()) > (session->frames_per_smpte_frame() / 2))) || (direction > 0)) {
2552                         start = (nframes64_t) (ceil ((double) start / session->frames_per_smpte_frame()) * session->frames_per_smpte_frame());
2553                 } else {
2554                         start = (nframes64_t) (floor ((double) start / session->frames_per_smpte_frame()) *  session->frames_per_smpte_frame());
2555                 }
2556                 break;
2557
2558         case SnapToSMPTESeconds:
2559                 if (session->smpte_offset_negative())
2560                 {
2561                         start += session->smpte_offset ();
2562                 } else {
2563                         start -= session->smpte_offset ();
2564                 }    
2565                 if (((direction == 0) && (start % one_smpte_second > one_smpte_second / 2)) || direction > 0) {
2566                         start = (nframes64_t) ceil ((double) start / one_smpte_second) * one_smpte_second;
2567                 } else {
2568                         start = (nframes64_t) floor ((double) start / one_smpte_second) * one_smpte_second;
2569                 }
2570                 
2571                 if (session->smpte_offset_negative())
2572                 {
2573                         start -= session->smpte_offset ();
2574                 } else {
2575                         start += session->smpte_offset ();
2576                 }
2577                 break;
2578                 
2579         case SnapToSMPTEMinutes:
2580                 if (session->smpte_offset_negative())
2581                 {
2582                         start += session->smpte_offset ();
2583                 } else {
2584                         start -= session->smpte_offset ();
2585                 }
2586                 if (((direction == 0) && (start % one_smpte_minute > one_smpte_minute / 2)) || direction > 0) {
2587                         start = (nframes64_t) ceil ((double) start / one_smpte_minute) * one_smpte_minute;
2588                 } else {
2589                         start = (nframes64_t) floor ((double) start / one_smpte_minute) * one_smpte_minute;
2590                 }
2591                 if (session->smpte_offset_negative())
2592                 {
2593                         start -= session->smpte_offset ();
2594                 } else {
2595                         start += session->smpte_offset ();
2596                 }
2597                 break;
2598                 
2599         case SnapToSeconds:
2600                 if (((direction == 0) && (start % one_second > one_second / 2)) || (direction > 0)) {
2601                         start = (nframes64_t) ceil ((double) start / one_second) * one_second;
2602                 } else {
2603                         start = (nframes64_t) floor ((double) start / one_second) * one_second;
2604                 }
2605                 break;
2606                 
2607         case SnapToMinutes:
2608                 if (((direction == 0) && (start % one_minute > one_minute / 2)) || (direction > 0)) {
2609                         start = (nframes64_t) ceil ((double) start / one_minute) * one_minute;
2610                 } else {
2611                         start = (nframes64_t) floor ((double) start / one_minute) * one_minute;
2612                 }
2613                 break;
2614
2615         case SnapToBar:
2616                 start = session->tempo_map().round_to_bar (start, direction);
2617                 break;
2618
2619         case SnapToBeat:
2620                 start = session->tempo_map().round_to_beat (start, direction);
2621                 break;
2622
2623         case SnapToAThirtysecondBeat:
2624                 start = session->tempo_map().round_to_beat_subdivision (start, 32);
2625                 break;
2626
2627         case SnapToASixteenthBeat:
2628                 start = session->tempo_map().round_to_beat_subdivision (start, 16);
2629                 break;
2630
2631         case SnapToAEighthBeat:
2632                 start = session->tempo_map().round_to_beat_subdivision (start, 8);
2633                 break;
2634
2635         case SnapToAQuarterBeat:
2636                 start = session->tempo_map().round_to_beat_subdivision (start, 4);
2637                 break;
2638
2639         case SnapToAThirdBeat:
2640                 start = session->tempo_map().round_to_beat_subdivision (start, 3);
2641                 break;
2642
2643         case SnapToMark:
2644                 if (for_mark) {
2645                         return;
2646                 }
2647
2648                 before = session->locations()->first_location_before (start);
2649                 after = session->locations()->first_location_after (start);
2650
2651                 if (direction < 0) {
2652                         if (before) {
2653                                 start = before->start();
2654                         } else {
2655                                 start = 0;
2656                         }
2657                 } else if (direction > 0) {
2658                         if (after) {
2659                                 start = after->start();
2660                         } else {
2661                                 start = session->current_end_frame();
2662                         }
2663                 } else {
2664                         if (before) {
2665                                 if (after) {
2666                                         /* find nearest of the two */
2667                                         if ((start - before->start()) < (after->start() - start)) {
2668                                                 start = before->start();
2669                                         } else {
2670                                                 start = after->start();
2671                                         }
2672                                 } else {
2673                                         start = before->start();
2674                                 }
2675                         } else if (after) {
2676                                 start = after->start();
2677                         } else {
2678                                 /* relax */
2679                         }
2680                 }
2681                 break;
2682
2683         case SnapToRegionStart:
2684         case SnapToRegionEnd:
2685         case SnapToRegionSync:
2686         case SnapToRegionBoundary:
2687                 if (!region_boundary_cache.empty()) {
2688                         vector<nframes64_t>::iterator i;
2689
2690                         if (direction > 0) {
2691                                 i = std::upper_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2692                         } else {
2693                                 i = std::lower_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2694                         }
2695                         
2696                         if (i != region_boundary_cache.end()) {
2697
2698                                 /* lower bound doesn't quite to the right thing for our purposes */
2699
2700                                 if (direction < 0 && i != region_boundary_cache.begin()) {
2701                                         --i;
2702                                 }
2703
2704                                 start = *i;
2705
2706                         } else {
2707                                 start = region_boundary_cache.back();
2708                         }
2709                 } 
2710                 break;
2711         }
2712
2713         switch (snap_mode) {
2714         case SnapNormal:
2715                 return;                 
2716                 
2717         case SnapMagnetic:
2718                 
2719                 if (presnap > start) {
2720                         if (presnap > (start + unit_to_frame(snap_threshold))) {
2721                                 start = presnap;
2722                         }
2723                         
2724                 } else if (presnap < start) {
2725                         if (presnap < (start - unit_to_frame(snap_threshold))) {
2726                                 start = presnap;
2727                         }
2728                 }
2729                 
2730         default:
2731                 /* handled at entry */
2732                 return;
2733                 
2734         }
2735 }
2736
2737 double
2738 Editor::snap_length_beats (nframes64_t start)
2739 {
2740         if (!session) {
2741                 return 1.0;
2742         }
2743
2744         /* FIXME: This could/should also work with non-tempo based snap settings (ie seconds) */
2745
2746         switch (snap_type) {
2747         case SnapToBar:
2748                 return session->tempo_map().meter_at(start).beats_per_bar();
2749
2750         case SnapToBeat:
2751                 return 1.0;
2752
2753         case SnapToAThirtysecondBeat:
2754                 return 1.0 / (double)32.0;
2755                 break;
2756
2757         case SnapToASixteenthBeat:
2758                 return 1.0 / (double)16.0;
2759                 break;
2760
2761         case SnapToAEighthBeat:
2762                 return 1.0 / (double)8.0;
2763                 break;
2764
2765         case SnapToAQuarterBeat:
2766                 return 1.0 / (double)4.0;
2767                 break;
2768
2769         case SnapToAThirdBeat:
2770                 return 1.0 / (double)3.0;
2771
2772         default:
2773                 return 1.0;
2774         }
2775 }
2776
2777 void
2778 Editor::setup_toolbar ()
2779 {
2780         string pixmap_path;
2781
2782         /* Mode Buttons (tool selection) */
2783
2784         vector<ToggleButton *> mouse_mode_buttons;
2785
2786         mouse_move_button.add (*(manage (new Image (::get_icon("tool_object")))));
2787         mouse_move_button.set_relief(Gtk::RELIEF_NONE);
2788         mouse_mode_buttons.push_back (&mouse_move_button);
2789
2790         if (!Profile->get_sae()) {
2791                 mouse_select_button.add (*(manage (new Image (get_xpm("tool_range.xpm")))));
2792                 mouse_select_button.set_relief(Gtk::RELIEF_NONE);
2793                 mouse_mode_buttons.push_back (&mouse_select_button);
2794
2795                 mouse_gain_button.add (*(manage (new Image (::get_icon("tool_gain")))));
2796                 mouse_gain_button.set_relief(Gtk::RELIEF_NONE);
2797                 mouse_mode_buttons.push_back (&mouse_gain_button);
2798         }
2799
2800         mouse_zoom_button.add (*(manage (new Image (::get_icon("tool_zoom")))));
2801         mouse_zoom_button.set_relief(Gtk::RELIEF_NONE);
2802         mouse_mode_buttons.push_back (&mouse_zoom_button);
2803         mouse_timefx_button.add (*(manage (new Image (::get_icon("tool_stretch")))));
2804         mouse_timefx_button.set_relief(Gtk::RELIEF_NONE);
2805         mouse_mode_buttons.push_back (&mouse_timefx_button);
2806         mouse_audition_button.add (*(manage (new Image (::get_icon("tool_audition")))));
2807         mouse_audition_button.set_relief(Gtk::RELIEF_NONE);
2808         mouse_note_button.add (*(manage (new Image (::get_icon("tool_note")))));
2809         mouse_note_button.set_relief(Gtk::RELIEF_NONE);
2810         mouse_mode_buttons.push_back (&mouse_note_button);
2811         mouse_mode_buttons.push_back (&mouse_audition_button);
2812         
2813         mouse_mode_button_set = new GroupedButtons (mouse_mode_buttons);
2814
2815         HBox* mode_box = manage(new HBox);
2816         mode_box->set_border_width (2);
2817         mode_box->set_spacing(4);
2818         mouse_mode_button_box.set_spacing(1);
2819         mouse_mode_button_box.pack_start(mouse_move_button, true, true);
2820         if (!Profile->get_sae()) {
2821                 mouse_mode_button_box.pack_start(mouse_select_button, true, true);
2822         }
2823         mouse_mode_button_box.pack_start(mouse_zoom_button, true, true);
2824         if (!Profile->get_sae()) {
2825                 mouse_mode_button_box.pack_start(mouse_gain_button, true, true);
2826         }
2827         mouse_mode_button_box.pack_start(mouse_timefx_button, true, true);
2828         mouse_mode_button_box.pack_start(mouse_audition_button, true, true);
2829         mouse_mode_button_box.pack_start(mouse_note_button, true, true);
2830         mouse_mode_button_box.set_homogeneous(true);
2831
2832         vector<string> edit_mode_strings;
2833         edit_mode_strings.push_back (edit_mode_to_string (Slide));
2834         if (!Profile->get_sae()) {
2835                 edit_mode_strings.push_back (edit_mode_to_string (Splice));
2836         }
2837         edit_mode_strings.push_back (edit_mode_to_string (Lock));
2838
2839         edit_mode_selector.set_name ("EditModeSelector");
2840         set_popdown_strings (edit_mode_selector, edit_mode_strings, true);
2841         edit_mode_selector.signal_changed().connect (mem_fun(*this, &Editor::edit_mode_selection_done));
2842
2843         mode_box->pack_start(edit_mode_selector);
2844         mode_box->pack_start(mouse_mode_button_box);
2845         
2846         mouse_mode_tearoff = manage (new TearOff (*mode_box));
2847         mouse_mode_tearoff->set_name ("MouseModeBase");
2848
2849         if (Profile->get_sae()) {
2850                 mouse_mode_tearoff->set_can_be_torn_off (false);
2851         }
2852
2853         mouse_mode_tearoff->Detach.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox), 
2854                                                   &mouse_mode_tearoff->tearoff_window()));
2855         mouse_mode_tearoff->Attach.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox), 
2856                                                   &mouse_mode_tearoff->tearoff_window(), 1));
2857         mouse_mode_tearoff->Hidden.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox), 
2858                                                   &mouse_mode_tearoff->tearoff_window()));
2859         mouse_mode_tearoff->Visible.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox), 
2860                                                    &mouse_mode_tearoff->tearoff_window(), 1));
2861
2862         mouse_move_button.set_name ("MouseModeButton");
2863         mouse_select_button.set_name ("MouseModeButton");
2864         mouse_gain_button.set_name ("MouseModeButton");
2865         mouse_zoom_button.set_name ("MouseModeButton");
2866         mouse_timefx_button.set_name ("MouseModeButton");
2867         mouse_audition_button.set_name ("MouseModeButton");
2868         mouse_note_button.set_name ("MouseModeButton");
2869
2870         ARDOUR_UI::instance()->tooltips().set_tip (mouse_move_button, _("Select/Move Objects"));
2871         ARDOUR_UI::instance()->tooltips().set_tip (mouse_select_button, _("Select/Move Ranges"));
2872         ARDOUR_UI::instance()->tooltips().set_tip (mouse_gain_button, _("Draw Gain Automation"));
2873         ARDOUR_UI::instance()->tooltips().set_tip (mouse_zoom_button, _("Select Zoom Range"));
2874         ARDOUR_UI::instance()->tooltips().set_tip (mouse_timefx_button, _("Stretch/Shrink Regions"));
2875         ARDOUR_UI::instance()->tooltips().set_tip (mouse_audition_button, _("Listen to Specific Regions"));
2876         ARDOUR_UI::instance()->tooltips().set_tip (mouse_note_button, _("Edit MIDI Notes"));
2877
2878         mouse_move_button.unset_flags (CAN_FOCUS);
2879         mouse_select_button.unset_flags (CAN_FOCUS);
2880         mouse_gain_button.unset_flags (CAN_FOCUS);
2881         mouse_zoom_button.unset_flags (CAN_FOCUS);
2882         mouse_timefx_button.unset_flags (CAN_FOCUS);
2883         mouse_audition_button.unset_flags (CAN_FOCUS);
2884         mouse_note_button.unset_flags (CAN_FOCUS);
2885
2886         mouse_select_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseRange));
2887         mouse_select_button.signal_button_release_event().connect (mem_fun(*this, &Editor::mouse_select_button_release));
2888
2889         mouse_move_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseObject));
2890         mouse_gain_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseGain));
2891         mouse_zoom_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseZoom));
2892         mouse_timefx_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseTimeFX));
2893         mouse_audition_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseAudition));
2894         mouse_note_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseNote));
2895
2896         // mouse_move_button.set_active (true);
2897         
2898
2899         /* Zoom */
2900         
2901         zoom_box.set_spacing (1);
2902         zoom_box.set_border_width (0);
2903
2904         zoom_in_button.set_name ("EditorTimeButton");
2905         zoom_in_button.set_size_request(-1,16);
2906         zoom_in_button.add (*(manage (new Image (::get_icon("zoom_in")))));
2907         zoom_in_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::temporal_zoom_step), false));
2908         ARDOUR_UI::instance()->tooltips().set_tip (zoom_in_button, _("Zoom In"));
2909         
2910         zoom_out_button.set_name ("EditorTimeButton");
2911         zoom_out_button.set_size_request(-1,16);
2912         zoom_out_button.add (*(manage (new Image (::get_icon("zoom_out")))));
2913         zoom_out_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::temporal_zoom_step), true));
2914         ARDOUR_UI::instance()->tooltips().set_tip (zoom_out_button, _("Zoom Out"));
2915
2916         zoom_out_full_button.set_name ("EditorTimeButton");
2917         zoom_out_full_button.set_size_request(-1,16);
2918         zoom_out_full_button.add (*(manage (new Image (::get_icon("zoom_full")))));
2919         zoom_out_full_button.signal_clicked().connect (mem_fun(*this, &Editor::temporal_zoom_session));
2920         ARDOUR_UI::instance()->tooltips().set_tip (zoom_out_full_button, _("Zoom to Session"));
2921
2922         zoom_focus_selector.set_name ("ZoomFocusSelector");
2923         set_popdown_strings (zoom_focus_selector, zoom_focus_strings, true);
2924         zoom_focus_selector.signal_changed().connect (mem_fun(*this, &Editor::zoom_focus_selection_done));
2925         ARDOUR_UI::instance()->tooltips().set_tip (zoom_focus_selector, _("Zoom focus"));
2926
2927         zoom_box.pack_start (zoom_out_button, false, false);
2928         zoom_box.pack_start (zoom_in_button, false, false);
2929         zoom_box.pack_start (zoom_out_full_button, false, false);
2930
2931         HBox* zbc = manage (new HBox);
2932         zbc->pack_start (zoom_focus_selector, PACK_SHRINK);
2933         zoom_vbox.pack_start (*zbc, PACK_SHRINK);
2934         zoom_vbox.pack_start (zoom_box, PACK_SHRINK);
2935
2936         snap_box.set_spacing (1);
2937         snap_box.set_border_width (2);
2938
2939         snap_type_selector.set_name ("SnapTypeSelector");
2940         set_popdown_strings (snap_type_selector, snap_type_strings, true);
2941         snap_type_selector.signal_changed().connect (mem_fun(*this, &Editor::snap_type_selection_done));
2942         ARDOUR_UI::instance()->tooltips().set_tip (snap_type_selector, _("Snap/Grid Units"));
2943
2944         snap_mode_selector.set_name ("SnapModeSelector");
2945         set_popdown_strings (snap_mode_selector, snap_mode_strings, true);
2946         snap_mode_selector.signal_changed().connect (mem_fun(*this, &Editor::snap_mode_selection_done));
2947         ARDOUR_UI::instance()->tooltips().set_tip (snap_mode_selector, _("Snap/Grid Mode"));
2948
2949         edit_point_selector.set_name ("EditPointSelector");
2950         set_popdown_strings (edit_point_selector, edit_point_strings, true);
2951         edit_point_selector.signal_changed().connect (mem_fun(*this, &Editor::edit_point_selection_done));
2952         ARDOUR_UI::instance()->tooltips().set_tip (edit_point_selector, _("Edit point"));
2953
2954         snap_box.pack_start (edit_point_clock, false, false);
2955         snap_box.pack_start (snap_mode_selector, false, false);
2956         snap_box.pack_start (snap_type_selector, false, false);
2957         snap_box.pack_start (edit_point_selector, false, false);
2958
2959         /* Nudge */
2960
2961         HBox *nudge_box = manage (new HBox);
2962         nudge_box->set_spacing(1);
2963         nudge_box->set_border_width (2);
2964
2965         nudge_forward_button.signal_button_release_event().connect (mem_fun(*this, &Editor::nudge_forward_release), false);
2966         nudge_backward_button.signal_button_release_event().connect (mem_fun(*this, &Editor::nudge_backward_release), false);
2967
2968         nudge_box->pack_start (nudge_backward_button, false, false);
2969         nudge_box->pack_start (nudge_forward_button, false, false);
2970         nudge_box->pack_start (nudge_clock, false, false);
2971
2972
2973         /* Pack everything in... */
2974
2975         HBox* hbox = manage (new HBox);
2976         hbox->set_spacing(10);
2977
2978         tools_tearoff = manage (new TearOff (*hbox));
2979         tools_tearoff->set_name ("MouseModeBase");
2980
2981         if (Profile->get_sae()) {
2982                 tools_tearoff->set_can_be_torn_off (false);
2983         }
2984
2985         tools_tearoff->Detach.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox), 
2986                                              &tools_tearoff->tearoff_window()));
2987         tools_tearoff->Attach.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox), 
2988                                              &tools_tearoff->tearoff_window(), 0));
2989         tools_tearoff->Hidden.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox), 
2990                                              &tools_tearoff->tearoff_window()));
2991         tools_tearoff->Visible.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox), 
2992                                               &tools_tearoff->tearoff_window(), 0));
2993
2994         toolbar_hbox.set_spacing (10);
2995         toolbar_hbox.set_border_width (1);
2996
2997         toolbar_hbox.pack_start (*mouse_mode_tearoff, false, false);
2998         toolbar_hbox.pack_start (*tools_tearoff, false, false);
2999
3000         
3001         hbox->pack_start (snap_box, false, false);
3002         // hbox->pack_start (zoom_box, false, false); 
3003         hbox->pack_start (*nudge_box, false, false);
3004
3005         hbox->show_all ();
3006         
3007         toolbar_base.set_name ("ToolBarBase");
3008         toolbar_base.add (toolbar_hbox);
3009
3010         toolbar_frame.set_shadow_type (SHADOW_OUT);
3011         toolbar_frame.set_name ("BaseFrame");
3012         toolbar_frame.add (toolbar_base);
3013 }
3014
3015 void
3016 Editor::midi_panic_button_pressed ()
3017 {
3018         if (session) {
3019                 session->midi_panic();
3020         }
3021 }
3022
3023 void
3024 Editor::setup_midi_toolbar ()
3025 {
3026         string pixmap_path;
3027
3028         /* Mode Buttons (tool selection) */
3029
3030         vector<ToggleButton *> midi_tool_buttons;
3031
3032         midi_tool_pencil_button.add (*(manage (new Image (::get_icon("midi_tool_pencil")))));
3033         midi_tool_pencil_button.set_relief(Gtk::RELIEF_NONE);
3034         midi_tool_buttons.push_back (&midi_tool_pencil_button);
3035         midi_tool_select_button.add (*(manage (new Image (::get_icon("midi_tool_select")))));
3036         midi_tool_select_button.set_relief(Gtk::RELIEF_NONE);
3037         midi_tool_buttons.push_back (&midi_tool_select_button);
3038         midi_tool_resize_button.add (*(manage (new Image (::get_icon("strip_width")))));
3039         midi_tool_resize_button.set_relief(Gtk::RELIEF_NONE);
3040         midi_tool_buttons.push_back (&midi_tool_resize_button);
3041         midi_tool_erase_button.add (*(manage (new Image (::get_icon("midi_tool_erase")))));
3042         midi_tool_erase_button.set_relief(Gtk::RELIEF_NONE);
3043         midi_tool_buttons.push_back (&midi_tool_erase_button);
3044
3045         midi_tool_pencil_button.set_active(true);
3046         
3047         midi_tool_button_set = new GroupedButtons (midi_tool_buttons);
3048
3049         midi_tool_button_box.set_border_width (2);
3050         midi_tool_button_box.set_spacing(1);
3051         midi_tool_button_box.pack_start(midi_tool_pencil_button, true, true);
3052         midi_tool_button_box.pack_start(midi_tool_select_button, true, true);
3053         midi_tool_button_box.pack_start(midi_tool_resize_button, true, true);
3054         midi_tool_button_box.pack_start(midi_tool_erase_button , true, true);
3055         midi_tool_button_box.set_homogeneous(true);
3056
3057         midi_tool_pencil_button.set_name ("MouseModeButton");
3058         midi_tool_select_button.set_name ("MouseModeButton");
3059         midi_tool_resize_button.set_name ("MouseModeButton");
3060         midi_tool_erase_button .set_name ("MouseModeButton");
3061
3062         ARDOUR_UI::instance()->tooltips().set_tip (midi_tool_pencil_button, _("Add/Move/Stretch Notes"));
3063         ARDOUR_UI::instance()->tooltips().set_tip (midi_tool_select_button, _("Select/Move Notes"));
3064         ARDOUR_UI::instance()->tooltips().set_tip (midi_tool_resize_button, _("Resize Notes"));
3065         ARDOUR_UI::instance()->tooltips().set_tip (midi_tool_erase_button,  _("Erase Notes"));
3066
3067         midi_tool_pencil_button.unset_flags (CAN_FOCUS);
3068         midi_tool_select_button.unset_flags (CAN_FOCUS);
3069         midi_tool_resize_button.unset_flags (CAN_FOCUS);
3070         midi_tool_erase_button.unset_flags (CAN_FOCUS);
3071         
3072         midi_tool_pencil_button.signal_toggled().connect (bind (mem_fun(*this,
3073                                 &Editor::midi_edit_mode_toggled), Editing::MidiEditPencil));
3074         midi_tool_select_button.signal_toggled().connect (bind (mem_fun(*this,
3075                                 &Editor::midi_edit_mode_toggled), Editing::MidiEditSelect));
3076         midi_tool_resize_button.signal_toggled().connect (bind (mem_fun(*this,
3077                                 &Editor::midi_edit_mode_toggled), Editing::MidiEditResize));
3078         midi_tool_erase_button.signal_toggled().connect (bind (mem_fun(*this,
3079                                 &Editor::midi_edit_mode_toggled), Editing::MidiEditErase));
3080
3081         
3082         /* Midi sound notes */
3083         midi_sound_notes.add (*(manage (new Image (::get_icon("midi_sound_notes")))));
3084         midi_sound_notes.set_relief(Gtk::RELIEF_NONE);
3085         ARDOUR_UI::instance()->tooltips().set_tip (midi_sound_notes, _("Sound Notes"));
3086         midi_sound_notes.unset_flags (CAN_FOCUS);
3087         
3088         /* Panic */
3089         
3090         HBox* panic_box = manage (new HBox);
3091         midi_panic_button.set_name("MidiPanicButton");
3092         midi_panic_button.signal_pressed().connect (
3093                         mem_fun(this, &Editor::midi_panic_button_pressed));
3094         panic_box->pack_start (midi_sound_notes , true, true);
3095         panic_box->pack_start (midi_panic_button, true, true);
3096         
3097         /* Pack everything in... */
3098
3099         midi_tools_tearoff = manage (new TearOff (midi_tool_button_box));
3100         midi_tools_tearoff->set_name ("MouseModeBase");
3101
3102         /*
3103         midi_tools_tearoff->Detach.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&midi_toolbar_hbox), 
3104                                              &midi_tools_tearoff->tearoff_window()));
3105         midi_tools_tearoff->Attach.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&midi_toolbar_hbox), 
3106                                              &midi_tools_tearoff->tearoff_window(), 0));
3107         midi_tools_tearoff->Hidden.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&midi_toolbar_hbox), 
3108                                              &midi_tools_tearoff->tearoff_window()));
3109         midi_tools_tearoff->Visible.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&midi_toolbar_hbox), 
3110                                               &midi_tools_tearoff->tearoff_window(), 0));
3111         */
3112
3113         midi_toolbar_hbox.set_spacing (10);
3114         midi_toolbar_hbox.set_border_width (1);
3115
3116         midi_toolbar_hbox.pack_start (*midi_tools_tearoff, false, true);
3117         
3118         midi_toolbar_hbox.pack_start(*panic_box, false, true, 4);
3119
3120         midi_tool_button_box.show_all ();
3121         midi_toolbar_hbox.show_all();
3122         midi_tools_tearoff->show_all();
3123         
3124         midi_toolbar_base.set_name ("ToolBarBase");
3125         midi_toolbar_base.add (midi_toolbar_hbox);
3126
3127         midi_toolbar_frame.set_shadow_type (SHADOW_OUT);
3128         midi_toolbar_frame.set_name ("BaseFrame");
3129         midi_toolbar_frame.add (midi_toolbar_base);
3130 }
3131
3132 int
3133 Editor::convert_drop_to_paths (
3134                 vector<ustring>&                paths, 
3135                 const RefPtr<Gdk::DragContext>& /*context*/,
3136                 gint                            /*x*/,
3137                 gint                            /*y*/,
3138                 const SelectionData&            data,
3139                 guint                           /*info*/,
3140                 guint                           /*time*/)
3141 {       
3142         if (session == 0) {
3143                 return -1;
3144         }
3145
3146         vector<ustring> uris = data.get_uris();
3147
3148         if (uris.empty()) {
3149
3150                 /* This is seriously fucked up. Nautilus doesn't say that its URI lists
3151                    are actually URI lists. So do it by hand.
3152                 */
3153
3154                 if (data.get_target() != "text/plain") {
3155                         return -1;
3156                 }
3157   
3158                 /* Parse the "uri-list" format that Nautilus provides, 
3159                    where each pathname is delimited by \r\n.
3160
3161                    THERE MAY BE NO NULL TERMINATING CHAR!!!
3162                 */
3163
3164                 ustring txt = data.get_text();
3165                 const char* p;
3166                 const char* q;
3167
3168                 p = (const char *) malloc (txt.length() + 1);
3169                 txt.copy ((char *) p, txt.length(), 0);
3170                 ((char*)p)[txt.length()] = '\0';
3171
3172                 while (p)
3173                 {
3174                         if (*p != '#')
3175                         {
3176                                 while (g_ascii_isspace (*p))
3177                                         p++;
3178                                 
3179                                 q = p;
3180                                 while (*q && (*q != '\n') && (*q != '\r')) {
3181                                         q++;
3182                                 }
3183                                 
3184                                 if (q > p)
3185                                 {
3186                                         q--;
3187                                         while (q > p && g_ascii_isspace (*q))
3188                                                 q--;
3189                                         
3190                                         if (q > p)
3191                                         {
3192                                                 uris.push_back (ustring (p, q - p + 1));
3193                                         }
3194                                 }
3195                         }
3196                         p = strchr (p, '\n');
3197                         if (p)
3198                                 p++;
3199                 }
3200
3201                 free ((void*)p);
3202                 
3203                 if (uris.empty()) {
3204                         return -1;
3205                 }
3206         }
3207         
3208         for (vector<ustring>::iterator i = uris.begin(); i != uris.end(); ++i) {
3209
3210                 if ((*i).substr (0,7) == "file://") {
3211                         
3212                         ustring p = *i;
3213                         PBD::url_decode (p);
3214
3215                         // scan forward past three slashes
3216                         
3217                         ustring::size_type slashcnt = 0;
3218                         ustring::size_type n = 0;
3219                         ustring::iterator x = p.begin();
3220
3221                         while (slashcnt < 3 && x != p.end()) {
3222                                 if ((*x) == '/') {
3223                                         slashcnt++;
3224                                 } else if (slashcnt == 3) {
3225                                         break;
3226                                 }
3227                                 ++n;
3228                                 ++x;
3229                         }
3230
3231                         if (slashcnt != 3 || x == p.end()) {
3232                                 error << _("malformed URL passed to drag-n-drop code") << endmsg;
3233                                 continue;
3234                         }
3235
3236                         paths.push_back (p.substr (n - 1));
3237                 }
3238         }
3239
3240         return 0;
3241 }
3242
3243 void
3244 Editor::new_tempo_section ()
3245
3246 {
3247 }
3248
3249 void
3250 Editor::map_transport_state ()
3251 {
3252         ENSURE_GUI_THREAD (mem_fun(*this, &Editor::map_transport_state));
3253
3254         if (session->transport_stopped()) {
3255                 have_pending_keyboard_selection = false;
3256         }
3257
3258         update_loop_range_view (true);
3259 }
3260
3261 /* UNDO/REDO */
3262
3263 Editor::State::State (PublicEditor const * e)
3264 {
3265         selection = new Selection (e);
3266 }
3267
3268 Editor::State::~State ()
3269 {
3270         delete selection;
3271 }
3272
3273 void
3274 Editor::store_state (State& state) const
3275 {
3276         *state.selection = *selection;
3277 }
3278
3279 void
3280 Editor::restore_state (State *state)
3281 {
3282         if (*selection == *state->selection) {
3283                 return;
3284         }
3285
3286         *selection = *state->selection;
3287         time_selection_changed ();
3288         region_selection_changed ();
3289
3290         /* XXX other selection change handlers? */
3291 }
3292
3293 void
3294 Editor::begin_reversible_command (string name)
3295 {
3296         if (session) {
3297                 before = &get_state();
3298                 session->begin_reversible_command (name);
3299         }
3300 }
3301
3302 void
3303 Editor::commit_reversible_command ()
3304 {
3305         if (session) {
3306                 session->commit_reversible_command (new MementoCommand<Editor>(*this, before, &get_state()));
3307         }
3308 }
3309
3310 void
3311 Editor::set_route_group_solo (Route& route, bool yn)
3312 {
3313         RouteGroup *route_group;
3314
3315         if ((route_group = route.route_group()) != 0) {
3316                 route_group->apply (&Route::set_solo, yn, this);
3317         } else {
3318                 route.set_solo (yn, this);
3319         }
3320 }
3321
3322 void
3323 Editor::set_route_group_mute (Route& route, bool yn)
3324 {
3325         RouteGroup *route_group = 0;
3326
3327         if ((route_group == route.route_group()) != 0) {
3328                 route_group->apply (&Route::set_mute, yn, this);
3329         } else {
3330                 route.set_mute (yn, this);
3331         }
3332 }
3333                 
3334 void
3335 Editor::history_changed ()
3336 {
3337         string label;
3338
3339         if (undo_action && session) {
3340                 if (session->undo_depth() == 0) {
3341                         label = _("Undo");
3342                 } else {
3343                         label = string_compose(_("Undo (%1)"), session->next_undo());
3344                 }
3345                 undo_action->property_label() = label;
3346         }
3347
3348         if (redo_action && session) {
3349                 if (session->redo_depth() == 0) {
3350                         label = _("Redo");
3351                 } else {
3352                         label = string_compose(_("Redo (%1)"), session->next_redo());
3353                 }
3354                 redo_action->property_label() = label;
3355         }
3356 }
3357
3358 void
3359 Editor::duplicate_dialog (bool with_dialog)
3360 {
3361         float times = 1.0f;
3362
3363         if (mouse_mode == MouseRange) {
3364                 if (selection->time.length() == 0) {
3365                         return;
3366                 }
3367         }
3368
3369         RegionSelection rs;
3370         get_regions_for_action (rs);
3371         
3372         if (mouse_mode != MouseRange) {
3373
3374                 if (rs.empty()) {
3375                         return;
3376                 }
3377         }
3378
3379         if (with_dialog) {
3380
3381                 ArdourDialog win ("Duplication Dialog");
3382                 Label  label (_("Number of Duplications:"));
3383                 Adjustment adjustment (1.0, 1.0, 1000000.0, 1.0, 5.0);
3384                 SpinButton spinner (adjustment, 0.0, 1);
3385                 HBox hbox;
3386                 
3387                 win.get_vbox()->set_spacing (12);
3388                 win.get_vbox()->pack_start (hbox);
3389                 hbox.set_border_width (6);
3390                 hbox.pack_start (label, PACK_EXPAND_PADDING, 12);
3391                 
3392                 /* dialogs have ::add_action_widget() but that puts the spinner in the wrong
3393                    place, visually. so do this by hand.
3394                 */
3395                 
3396                 hbox.pack_start (spinner, PACK_EXPAND_PADDING, 12);
3397                 spinner.signal_activate().connect (sigc::bind (mem_fun (win, &ArdourDialog::response), RESPONSE_ACCEPT));
3398                 spinner.grab_focus();
3399
3400                 hbox.show ();
3401                 label.show ();
3402                 spinner.show ();
3403                 
3404                 win.add_button (Stock::CANCEL, RESPONSE_CANCEL);
3405                 win.add_button (_("Duplicate"), RESPONSE_ACCEPT);
3406                 win.set_default_response (RESPONSE_ACCEPT);
3407                 
3408                 win.set_position (WIN_POS_MOUSE);
3409                 
3410                 spinner.grab_focus ();
3411                 
3412                 switch (win.run ()) {
3413                 case RESPONSE_ACCEPT:
3414                         break;
3415                 default:
3416                         return;
3417                 }
3418                 
3419                 times = adjustment.get_value();
3420         }
3421
3422         if (mouse_mode == MouseRange) {
3423                 duplicate_selection (times);
3424         } else {
3425                 duplicate_some_regions (rs, times);
3426         }
3427 }
3428
3429 void
3430 Editor::show_verbose_canvas_cursor ()
3431 {
3432         verbose_canvas_cursor->raise_to_top();
3433         verbose_canvas_cursor->show();
3434         verbose_cursor_visible = true;
3435 }
3436
3437 void
3438 Editor::hide_verbose_canvas_cursor ()
3439 {
3440         verbose_canvas_cursor->hide();
3441         verbose_cursor_visible = false;
3442 }
3443
3444 double
3445 Editor::clamp_verbose_cursor_x (double x)
3446 {
3447         if (x < 0) {
3448                 x = 0;
3449         } else {
3450                 x = min (_canvas_width - 200.0, x);
3451         }
3452         return x;
3453 }
3454
3455 double
3456 Editor::clamp_verbose_cursor_y (double y)
3457 {
3458         if (y < canvas_timebars_vsize) {
3459                 y = canvas_timebars_vsize;
3460         } else {
3461                 y = min (_canvas_height - 50, y);
3462         }
3463         return y;
3464 }
3465
3466 void
3467 Editor::set_verbose_canvas_cursor (const string & txt, double x, double y)
3468 {
3469         verbose_canvas_cursor->property_text() = txt.c_str();
3470         /* don't get too close to the edge */
3471         verbose_canvas_cursor->property_x() = clamp_verbose_cursor_x (x);
3472         verbose_canvas_cursor->property_y() = clamp_verbose_cursor_y (y);
3473 }
3474
3475 void
3476 Editor::set_verbose_canvas_cursor_text (const string & txt)
3477 {
3478         verbose_canvas_cursor->property_text() = txt.c_str();
3479 }
3480
3481 void
3482 Editor::set_edit_mode (EditMode m)
3483 {
3484         Config->set_edit_mode (m);
3485 }
3486
3487 void
3488 Editor::cycle_edit_mode ()
3489 {
3490         switch (Config->get_edit_mode()) {
3491         case Slide:
3492                 if (Profile->get_sae()) {
3493                         Config->set_edit_mode (Lock);
3494                 } else {
3495                         Config->set_edit_mode (Splice);
3496                 }
3497                 break;
3498         case Splice:
3499                 Config->set_edit_mode (Lock);
3500                 break;
3501         case Lock:
3502                 Config->set_edit_mode (Slide);
3503                 break;
3504         }
3505 }
3506
3507 void
3508 Editor::edit_mode_selection_done ()
3509 {
3510         if (session == 0) {
3511                 return;
3512         }
3513
3514         string choice = edit_mode_selector.get_active_text();
3515         EditMode mode = Slide;
3516
3517         if (choice == _("Splice Edit")) {
3518                 mode = Splice;
3519         } else if (choice == _("Slide Edit")) {
3520                 mode = Slide;
3521         } else if (choice == _("Lock Edit")) {
3522                 mode = Lock;
3523         }
3524
3525         Config->set_edit_mode (mode);
3526 }       
3527
3528 void
3529 Editor::snap_type_selection_done ()
3530 {
3531         string choice = snap_type_selector.get_active_text();
3532         SnapType snaptype = SnapToBeat;
3533
3534         if (choice == _("Beats/3")) {
3535                 snaptype = SnapToAThirdBeat;
3536         } else if (choice == _("Beats/4")) {
3537                 snaptype = SnapToAQuarterBeat;
3538         } else if (choice == _("Beats/8")) {
3539                 snaptype = SnapToAEighthBeat;
3540         } else if (choice == _("Beats/16")) {
3541                 snaptype = SnapToASixteenthBeat;
3542         } else if (choice == _("Beats/32")) {
3543                 snaptype = SnapToAThirtysecondBeat;
3544         } else if (choice == _("Beats")) {
3545                 snaptype = SnapToBeat;
3546         } else if (choice == _("Bars")) {
3547                 snaptype = SnapToBar;
3548         } else if (choice == _("Marks")) {
3549                 snaptype = SnapToMark;
3550         } else if (choice == _("Region starts")) {
3551                 snaptype = SnapToRegionStart;
3552         } else if (choice == _("Region ends")) {
3553                 snaptype = SnapToRegionEnd;
3554         } else if (choice == _("Region bounds")) {
3555                 snaptype = SnapToRegionBoundary;
3556         } else if (choice == _("Region syncs")) {
3557                 snaptype = SnapToRegionSync;
3558         } else if (choice == _("CD Frames")) {
3559                 snaptype = SnapToCDFrame;
3560         } else if (choice == _("SMPTE Frames")) {
3561                 snaptype = SnapToSMPTEFrame;
3562         } else if (choice == _("SMPTE Seconds")) {
3563                 snaptype = SnapToSMPTESeconds;
3564         } else if (choice == _("SMPTE Minutes")) {
3565                 snaptype = SnapToSMPTEMinutes;
3566         } else if (choice == _("Seconds")) {
3567                 snaptype = SnapToSeconds;
3568         } else if (choice == _("Minutes")) {
3569                 snaptype = SnapToMinutes;
3570         }
3571
3572         RefPtr<RadioAction> ract = snap_type_action (snaptype);
3573         if (ract) {
3574                 ract->set_active ();
3575         }
3576 }       
3577
3578 void
3579 Editor::snap_mode_selection_done ()
3580 {
3581         string choice = snap_mode_selector.get_active_text();
3582         SnapMode mode = SnapNormal;
3583
3584         if (choice == _("No Grid")) {
3585                 mode = SnapOff;
3586         } else if (choice == _("Grid")) {
3587                 mode = SnapNormal;
3588         } else if (choice == _("Magnetic")) {
3589                 mode = SnapMagnetic;
3590         }
3591
3592         RefPtr<RadioAction> ract = snap_mode_action (mode);
3593
3594         if (ract) {
3595                 ract->set_active (true);
3596         }
3597 }
3598
3599 void
3600 Editor::cycle_edit_point (bool with_marker)
3601 {
3602         switch (_edit_point) {
3603         case EditAtMouse:
3604                 set_edit_point_preference (EditAtPlayhead);
3605                 break;
3606         case EditAtPlayhead:
3607                 if (with_marker) {
3608                         set_edit_point_preference (EditAtSelectedMarker);
3609                 } else {
3610                         set_edit_point_preference (EditAtMouse);
3611                 }
3612                 break;
3613         case EditAtSelectedMarker:
3614                 set_edit_point_preference (EditAtMouse);
3615                 break;
3616         }
3617 }
3618
3619 void
3620 Editor::edit_point_selection_done ()
3621 {
3622         string choice = edit_point_selector.get_active_text();
3623         EditPoint ep = EditAtSelectedMarker;
3624
3625         if (choice == _("Marker")) {
3626                 set_edit_point_preference (EditAtSelectedMarker);
3627         } else if (choice == _("Playhead")) {
3628                 set_edit_point_preference (EditAtPlayhead);
3629         } else {
3630                 set_edit_point_preference (EditAtMouse);
3631         }
3632
3633         RefPtr<RadioAction> ract = edit_point_action (ep);
3634
3635         if (ract) {
3636                 ract->set_active (true);
3637         }
3638 }
3639
3640 void
3641 Editor::zoom_focus_selection_done ()
3642 {
3643         string choice = zoom_focus_selector.get_active_text();
3644         ZoomFocus focus_type = ZoomFocusLeft;
3645
3646         if (choice == _("Left")) {
3647                 focus_type = ZoomFocusLeft;
3648         } else if (choice == _("Right")) {
3649                 focus_type = ZoomFocusRight;
3650         } else if (choice == _("Center")) {
3651                 focus_type = ZoomFocusCenter;
3652         } else if (choice == _("Play")) {
3653                 focus_type = ZoomFocusPlayhead;
3654         } else if (choice == _("Edit")) {
3655                 focus_type = ZoomFocusEdit;
3656         } else if (choice == _("Active Mark")) {
3657                 focus_type = ZoomFocusEdit;
3658         } else if (choice == _("Active Mark")) {
3659                 focus_type = ZoomFocusEdit;
3660         } else {
3661                 focus_type = ZoomFocusMouse;
3662         } 
3663         
3664         RefPtr<RadioAction> ract = zoom_focus_action (focus_type);
3665
3666         if (ract) {
3667                 ract->set_active ();
3668         }
3669 }       
3670
3671 gint
3672 Editor::edit_controls_button_release (GdkEventButton* ev)
3673 {
3674         if (Keyboard::is_context_menu_event (ev)) {
3675                 ARDOUR_UI::instance()->add_route (this);
3676         }
3677         return TRUE;
3678 }
3679
3680 gint
3681 Editor::mouse_select_button_release (GdkEventButton* ev)
3682 {
3683         /* this handles just right-clicks */
3684
3685         if (ev->button != 3) {
3686                 return false;
3687         }
3688
3689         return true;
3690 }
3691
3692 Editor::TrackViewList *
3693 Editor::get_valid_views (TimeAxisView* track, RouteGroup* group)
3694 {
3695         TrackViewList::iterator i;
3696
3697         TrackViewList* v = new TrackViewList;
3698
3699         if (track == 0 && group == 0) {
3700
3701                 /* all views */
3702
3703                 for (i = track_views.begin(); i != track_views.end (); ++i) {
3704                         v->push_back (*i);
3705                 }
3706
3707         } else if ((track != 0 && group == 0) || (track != 0 && group != 0 && !group->active_property (RouteGroup::Select))) {
3708                 
3709                 /* just the view for this track
3710                  */
3711
3712                 v->push_back (track);
3713
3714         } else {
3715                 
3716                 /* views for all tracks in the route group */
3717                 
3718                 for (i = track_views.begin(); i != track_views.end (); ++i) {
3719
3720                         if (group == 0 || ((*i)->route_group() == group && group->active_property (RouteGroup::Select))) {
3721                                 v->push_back (*i);
3722                         }
3723                 }
3724         }
3725         
3726         return v;
3727 }
3728
3729 void
3730 Editor::set_zoom_focus (ZoomFocus f)
3731 {
3732         string str = zoom_focus_strings[(int)f];
3733
3734         if (str != zoom_focus_selector.get_active_text()) {
3735                 zoom_focus_selector.set_active_text (str);
3736         }
3737         
3738         if (zoom_focus != f) {
3739                 zoom_focus = f;
3740
3741                 ZoomFocusChanged (); /* EMIT_SIGNAL */
3742
3743                 instant_save ();
3744         }
3745 }
3746
3747 void
3748 Editor::ensure_float (Window& win)
3749 {
3750         win.set_transient_for (*this);
3751 }
3752
3753 void 
3754 Editor::pane_allocation_handler (Allocation &alloc, Paned* which)
3755 {
3756         /* recover or initialize pane positions. do this here rather than earlier because
3757            we don't want the positions to change the child allocations, which they seem to do.
3758          */
3759
3760         int pos;
3761         XMLProperty* prop;
3762         char buf[32];
3763         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
3764         int width, height;
3765         static int32_t done;
3766         XMLNode* geometry;
3767
3768         width = default_width;
3769         height = default_height;
3770
3771         if ((geometry = find_named_node (*node, "geometry")) != 0) {
3772
3773                 if ((prop = geometry->property ("x_size")) == 0) {
3774                         prop = geometry->property ("x-size");
3775                 }
3776                 if (prop) {
3777                         width = atoi (prop->value());
3778                 }
3779                 if ((prop = geometry->property ("y_size")) == 0) {
3780                         prop = geometry->property ("y-size");
3781                 }
3782                 if (prop) {
3783                         height = atoi (prop->value());
3784                 }
3785         }
3786
3787         if (which == static_cast<Paned*> (&edit_pane)) {
3788
3789                 if (done) {
3790                         return;
3791                 }
3792
3793                 if (!geometry || (prop = geometry->property ("edit-pane-pos")) == 0) {
3794                         /* initial allocation is 90% to canvas, 10% to notebook */
3795                         pos = (int) floor (alloc.get_width() * 0.90f);
3796                         snprintf (buf, sizeof(buf), "%d", pos);
3797                 } else {
3798                         pos = atoi (prop->value());
3799                 }
3800
3801                 if ((done = GTK_WIDGET(edit_pane.gobj())->allocation.width > pos)) {
3802                         edit_pane.set_position (pos);
3803                         pre_maximal_pane_position = pos;
3804                 }
3805         }
3806 }
3807
3808 void
3809 Editor::detach_tearoff (Box* /*b*/, Window* /*w*/)
3810 {
3811         if (tools_tearoff->torn_off() && 
3812             mouse_mode_tearoff->torn_off()) {
3813                 top_hbox.remove (toolbar_frame);
3814         }
3815 }
3816
3817 void
3818 Editor::reattach_tearoff (Box* /*b*/, Window* /*w*/, int32_t /*n*/)
3819 {
3820         if (toolbar_frame.get_parent() == 0) {
3821                 top_hbox.pack_end (toolbar_frame);
3822         }
3823 }
3824
3825 void
3826 Editor::set_show_measures (bool yn)
3827 {
3828         if (_show_measures != yn) {
3829                 hide_measures ();
3830
3831                 if ((_show_measures = yn) == true) {
3832                         if (tempo_lines)
3833                                 tempo_lines->show();
3834                         draw_measures ();
3835                 }
3836                 instant_save ();
3837         }
3838 }
3839
3840 void
3841 Editor::toggle_follow_playhead ()
3842 {
3843         RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
3844         if (act) {
3845                 RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
3846                 set_follow_playhead (tact->get_active());
3847         }
3848 }
3849
3850 void
3851 Editor::set_follow_playhead (bool yn)
3852 {
3853         if (_follow_playhead != yn) {
3854                 if ((_follow_playhead = yn) == true) {
3855                         /* catch up */
3856                         update_current_screen ();
3857                 }
3858                 instant_save ();
3859         }
3860 }
3861
3862 void
3863 Editor::toggle_xfade_active (boost::weak_ptr<Crossfade> wxfade)
3864 {
3865         boost::shared_ptr<Crossfade> xfade (wxfade.lock());
3866         if (xfade) {
3867                 xfade->set_active (!xfade->active());
3868         }
3869 }
3870
3871 void
3872 Editor::toggle_xfade_length (boost::weak_ptr<Crossfade> wxfade)
3873 {
3874         boost::shared_ptr<Crossfade> xfade (wxfade.lock());
3875         if (xfade) {
3876                 xfade->set_follow_overlap (!xfade->following_overlap());
3877         }
3878 }
3879
3880 void
3881 Editor::edit_xfade (boost::weak_ptr<Crossfade> wxfade)
3882 {
3883         boost::shared_ptr<Crossfade> xfade (wxfade.lock());
3884
3885         if (!xfade) {
3886                 return;
3887         }
3888
3889         CrossfadeEditor cew (*session, xfade, xfade->fade_in().get_min_y(), 1.0);
3890                 
3891         ensure_float (cew);
3892         
3893         switch (cew.run ()) {
3894         case RESPONSE_ACCEPT:
3895                 break;
3896         default:
3897                 return;
3898         }
3899         
3900         cew.apply ();
3901         xfade->StateChanged (Change (~0));
3902 }
3903
3904 PlaylistSelector&
3905 Editor::playlist_selector () const
3906 {
3907         return *_playlist_selector;
3908 }
3909
3910 nframes64_t
3911 Editor::get_nudge_distance (nframes64_t pos, nframes64_t& next)
3912 {
3913         nframes64_t ret;
3914
3915         ret = nudge_clock.current_duration (pos);
3916         next = ret + 1; /* XXXX fix me */
3917
3918         return ret;
3919 }
3920
3921 void
3922 Editor::end_location_changed (Location* location)
3923 {
3924         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::end_location_changed), location));
3925         //reset_scrolling_region ();
3926         nframes64_t session_span = location->start() + (nframes64_t) floorf (current_page_frames() * 0.10f);
3927         horizontal_adjustment.set_upper (session_span / frames_per_unit);
3928 }
3929
3930 int
3931 Editor::playlist_deletion_dialog (boost::shared_ptr<Playlist> pl)
3932 {
3933         ArdourDialog dialog ("playlist deletion dialog");
3934         Label  label (string_compose (_("Playlist %1 is currently unused.\n"
3935                                         "If left alone, no audio files used by it will be cleaned.\n"
3936                                         "If deleted, audio files used by it alone by will cleaned."),
3937                                       pl->name()));
3938         
3939         dialog.set_position (WIN_POS_CENTER);
3940         dialog.get_vbox()->pack_start (label);
3941
3942         label.show ();
3943
3944         dialog.add_button (_("Delete playlist"), RESPONSE_ACCEPT);
3945         dialog.add_button (_("Keep playlist"), RESPONSE_REJECT);
3946         dialog.add_button (_("Cancel"), RESPONSE_CANCEL);
3947
3948         switch (dialog.run ()) {
3949         case RESPONSE_ACCEPT:
3950                 /* delete the playlist */
3951                 return 0;
3952                 break;
3953
3954         case RESPONSE_REJECT:
3955                 /* keep the playlist */
3956                 return 1;
3957                 break;
3958
3959         default:
3960                 break;
3961         }
3962
3963         return -1;
3964 }
3965
3966 bool
3967 Editor::audio_region_selection_covers (nframes64_t where)
3968 {
3969         for (RegionSelection::iterator a = selection->regions.begin(); a != selection->regions.end(); ++a) {
3970                 if ((*a)->region()->covers (where)) {
3971                         return true;
3972                 }
3973         }
3974
3975         return false;
3976 }
3977
3978 void
3979 Editor::prepare_for_cleanup ()
3980 {
3981         cut_buffer->clear_regions ();
3982         cut_buffer->clear_playlists ();
3983
3984         selection->clear_regions ();
3985         selection->clear_playlists ();
3986
3987         _regions->suspend_redisplay ();
3988 }
3989
3990 void
3991 Editor::finish_cleanup ()
3992 {
3993         _regions->resume_redisplay ();
3994 }
3995
3996 Location*
3997 Editor::transport_loop_location()
3998 {
3999         if (session) {
4000                 return session->locations()->auto_loop_location();
4001         } else {
4002                 return 0;
4003         }
4004 }
4005
4006 Location*
4007 Editor::transport_punch_location()
4008 {
4009         if (session) {
4010                 return session->locations()->auto_punch_location();
4011         } else {
4012                 return 0;
4013         }
4014 }
4015
4016 bool
4017 Editor::control_layout_scroll (GdkEventScroll* ev)
4018 {
4019         switch (ev->direction) {
4020         case GDK_SCROLL_UP:
4021                 scroll_tracks_up_line ();
4022                 return true;
4023                 break;
4024
4025         case GDK_SCROLL_DOWN:
4026                 scroll_tracks_down_line ();
4027                 return true;
4028                 
4029         default:
4030                 /* no left/right handling yet */
4031                 break;
4032         }
4033
4034         return false;
4035 }
4036
4037 void
4038 Editor::session_state_saved (string snap_name)
4039 {
4040         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::session_state_saved), snap_name));
4041         
4042         _snapshots->redisplay ();
4043 }
4044
4045 void
4046 Editor::maximise_editing_space ()
4047 {
4048         mouse_mode_tearoff->set_visible (false);
4049         tools_tearoff->set_visible (false);
4050
4051         pre_maximal_pane_position = edit_pane.get_position();
4052         pre_maximal_editor_width = this->get_width();
4053
4054         if(post_maximal_pane_position == 0) {
4055                 post_maximal_pane_position = edit_pane.get_width();
4056         }
4057
4058         fullscreen();
4059
4060         if(post_maximal_editor_width) {
4061                 edit_pane.set_position (post_maximal_pane_position - 
4062                         abs(post_maximal_editor_width - pre_maximal_editor_width));
4063         } else {
4064                 edit_pane.set_position (post_maximal_pane_position);
4065         }
4066 }
4067
4068 void
4069 Editor::restore_editing_space ()
4070 {
4071         // user changed width of pane during fullscreen
4072
4073         if(post_maximal_pane_position != edit_pane.get_position()) {
4074                 post_maximal_pane_position = edit_pane.get_position();
4075         }
4076
4077         unfullscreen();
4078
4079         mouse_mode_tearoff->set_visible (true);
4080         tools_tearoff->set_visible (true);
4081         post_maximal_editor_width = this->get_width();
4082
4083         edit_pane.set_position (pre_maximal_pane_position + abs(this->get_width() - pre_maximal_editor_width));
4084 }
4085
4086 /**
4087  *  Make new playlists for a given track and also any others that belong
4088  *  to the same active route group with the `edit' property.
4089  *  @param v Track.
4090  */
4091
4092 void 
4093 Editor::new_playlists (TimeAxisView* v)
4094 {
4095         begin_reversible_command (_("new playlists"));
4096         vector<boost::shared_ptr<ARDOUR::Playlist> > playlists;
4097         session->get_playlists(playlists);
4098         mapover_tracks (bind (mem_fun (*this, &Editor::mapped_use_new_playlist), playlists), v, RouteGroup::Edit);
4099         commit_reversible_command ();
4100 }
4101
4102 /**
4103  *  Use a copy of the current playlist for a given track and also any others that belong
4104  *  to the same active route group with the `edit' property.
4105  *  @param v Track.
4106  */
4107
4108 void
4109 Editor::copy_playlists (TimeAxisView* v)
4110 {
4111         begin_reversible_command (_("copy playlists"));
4112         vector<boost::shared_ptr<ARDOUR::Playlist> > playlists;
4113         session->get_playlists(playlists);
4114         mapover_tracks (bind (mem_fun (*this, &Editor::mapped_use_copy_playlist), playlists), v, RouteGroup::Edit);
4115         commit_reversible_command ();
4116 }
4117
4118 /** Clear the current playlist for a given track and also any others that belong
4119  *  to the same active route group with the `edit' property.
4120  *  @param v Track.
4121  */
4122
4123 void 
4124 Editor::clear_playlists (TimeAxisView* v)
4125 {
4126         begin_reversible_command (_("clear playlists"));
4127         vector<boost::shared_ptr<ARDOUR::Playlist> > playlists;
4128         session->get_playlists(playlists);
4129         mapover_tracks (mem_fun (*this, &Editor::mapped_clear_playlist), v, RouteGroup::Edit);
4130         commit_reversible_command ();
4131 }
4132
4133 void 
4134 Editor::mapped_use_new_playlist (RouteTimeAxisView& atv, uint32_t sz, vector<boost::shared_ptr<ARDOUR::Playlist> > const & playlists)
4135 {
4136         atv.use_new_playlist (sz > 1 ? false : true, playlists);
4137 }
4138
4139 void
4140 Editor::mapped_use_copy_playlist (RouteTimeAxisView& atv, uint32_t sz, vector<boost::shared_ptr<ARDOUR::Playlist> > const & playlists)
4141 {
4142         atv.use_copy_playlist (sz > 1 ? false : true, playlists);
4143 }
4144
4145 void 
4146 Editor::mapped_clear_playlist (RouteTimeAxisView& atv, uint32_t /*sz*/)
4147 {
4148         atv.clear_playlist ();
4149 }
4150
4151 bool
4152 Editor::on_key_press_event (GdkEventKey* ev)
4153 {
4154         return key_press_focus_accelerator_handler (*this, ev);
4155 }
4156
4157 bool
4158 Editor::on_key_release_event (GdkEventKey* ev)
4159 {
4160         return Gtk::Window::on_key_release_event (ev);
4161         // return key_press_focus_accelerator_handler (*this, ev);
4162 }
4163
4164 void
4165 Editor::reset_x_origin (nframes64_t frame)
4166 {
4167         //cerr << "resetting x origin" << endl;
4168         queue_visual_change (frame);
4169 }
4170
4171 void
4172 Editor::reset_y_origin (double y)
4173 {
4174         queue_visual_change_y (y);
4175 }
4176
4177 void
4178 Editor::reset_zoom (double fpu)
4179 {
4180         queue_visual_change (fpu);
4181 }
4182
4183 void
4184 Editor::reposition_and_zoom (nframes64_t frame, double fpu)
4185 {
4186         //cerr << "Editor::reposition_and_zoom () called ha v:l:u:ps:fpu = " << horizontal_adjustment.get_value() << ":" << horizontal_adjustment.get_lower() << ":" << horizontal_adjustment.get_upper() << ":" << horizontal_adjustment.get_page_size() << ":" << frames_per_unit << endl;//DEBUG
4187         reset_x_origin (frame);
4188         reset_zoom (fpu);
4189
4190         if (!no_save_visual) {
4191                 undo_visual_stack.push_back (current_visual_state(false));
4192         }
4193 }
4194
4195 Editor::VisualState*
4196 Editor::current_visual_state (bool with_tracks)
4197 {
4198         VisualState* vs = new VisualState;
4199         vs->y_position = vertical_adjustment.get_value();
4200         vs->frames_per_unit = frames_per_unit;
4201         vs->leftmost_frame = leftmost_frame;
4202         vs->zoom_focus = zoom_focus;
4203         vs->zoomed_to_region = zoomed_to_region;
4204
4205         if (with_tracks) {
4206                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
4207                         vs->track_states.push_back (TAVState ((*i), &(*i)->get_state()));
4208                 }
4209         }
4210         
4211         return vs;
4212 }
4213
4214 void
4215 Editor::undo_visual_state ()
4216 {
4217         if (undo_visual_stack.empty()) {
4218                 return;
4219         }
4220
4221         VisualState* vs = undo_visual_stack.back();
4222         undo_visual_stack.pop_back();
4223         use_visual_state (*vs);
4224         redo_visual_stack.push_back (vs);
4225 }
4226
4227 void
4228 Editor::redo_visual_state ()
4229 {
4230         if (redo_visual_stack.empty()) {
4231                 return;
4232         }
4233
4234         VisualState* vs = redo_visual_stack.back();
4235         redo_visual_stack.pop_back();
4236         use_visual_state (*vs);
4237         undo_visual_stack.push_back (vs);
4238 }
4239
4240 void
4241 Editor::swap_visual_state ()
4242 {
4243         if (undo_visual_stack.empty()) {
4244                 redo_visual_state ();
4245         } else {
4246                 undo_visual_state ();
4247         }
4248 }
4249
4250 void
4251 Editor::use_visual_state (VisualState& vs)
4252 {
4253         no_save_visual = true;
4254
4255         _routes->suspend_redisplay ();
4256
4257         vertical_adjustment.set_value (vs.y_position);
4258
4259         set_zoom_focus (vs.zoom_focus);
4260         reposition_and_zoom (vs.leftmost_frame, vs.frames_per_unit);
4261         zoomed_to_region = vs.zoomed_to_region;
4262         
4263         for (list<TAVState>::iterator i = vs.track_states.begin(); i != vs.track_states.end(); ++i) {
4264                 TrackViewList::iterator t;
4265
4266                 /* check if the track still exists - it could have been deleted */
4267
4268                 if ((t = find (track_views.begin(), track_views.end(), i->first)) != track_views.end()) {
4269                         (*t)->set_state (*(i->second));
4270                 }
4271         }
4272
4273
4274         if (!vs.track_states.empty()) {
4275                 _routes->update_visibility ();
4276         } 
4277
4278         _routes->resume_redisplay ();
4279
4280         no_save_visual = false;
4281 }
4282
4283 void
4284 Editor::set_frames_per_unit (double fpu)
4285 {
4286         /* this is the core function that controls the zoom level of the canvas. it is called
4287            whenever one or more calls are made to reset_zoom(). it executes in an idle handler.
4288         */
4289
4290         if (fpu == frames_per_unit) {
4291                 return;
4292         }
4293
4294         if (fpu < 2.0) {
4295                 fpu = 2.0;
4296         }
4297
4298         
4299         /* don't allow zooms that fit more than the maximum number
4300            of frames into an 800 pixel wide space.
4301         */
4302
4303         if (max_frames / fpu < 800.0) {
4304                 return;
4305         }
4306         
4307         if (tempo_lines)
4308                 tempo_lines->tempo_map_changed();
4309
4310         frames_per_unit = fpu;
4311         post_zoom ();
4312 }
4313
4314 void
4315 Editor::post_zoom ()
4316 {
4317         nframes64_t cef = 0;
4318
4319         // convert fpu to frame count
4320
4321         nframes64_t frames = (nframes64_t) floor (frames_per_unit * _canvas_width);
4322
4323         if (frames_per_unit != zoom_range_clock.current_duration()) {
4324                 zoom_range_clock.set (frames);
4325         }
4326
4327         if (mouse_mode == MouseRange && selection->time.start () != selection->time.end_frame ()) {
4328                 if (!selection->tracks.empty()) {
4329                         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
4330                                 (*i)->reshow_selection (selection->time);
4331                         }
4332                 } else {
4333                         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
4334                                 (*i)->reshow_selection (selection->time);
4335                         }
4336                 }
4337         }
4338
4339         leftmost_frame = (nframes64_t) floor (horizontal_adjustment.get_value() * frames_per_unit);
4340
4341         ZoomChanged (); /* EMIT_SIGNAL */
4342
4343         reset_hscrollbar_stepping ();
4344
4345         if (session) {
4346                 cef = session->current_end_frame() + (current_page_frames() / 10);// Add a little extra so we can see the end marker
4347         }
4348         horizontal_adjustment.set_upper (cef / frames_per_unit);
4349
4350         //reset_scrolling_region ();
4351
4352         if (playhead_cursor) {
4353                 playhead_cursor->set_position (playhead_cursor->current_frame);
4354         }
4355
4356         refresh_location_display();
4357         _summary->set_overlays_dirty ();
4358
4359         instant_save ();
4360 }
4361
4362 void
4363 Editor::queue_visual_change (nframes64_t where)
4364 {
4365         pending_visual_change.add (VisualChange::TimeOrigin);
4366         
4367         /* if we're moving beyond the end, make sure the upper limit of the horizontal adjustment
4368            can reach.
4369         */
4370         
4371         if (where > session->current_end_frame()) {
4372                 horizontal_adjustment.set_upper ((where + current_page_frames()) / frames_per_unit);
4373         }
4374         
4375         pending_visual_change.time_origin = where;
4376         
4377         ensure_visual_change_idle_handler ();
4378 }
4379
4380 void
4381 Editor::queue_visual_change (double fpu)
4382 {
4383         pending_visual_change.add (VisualChange::ZoomLevel);
4384         pending_visual_change.frames_per_unit = fpu;
4385
4386         ensure_visual_change_idle_handler ();
4387         
4388 }
4389
4390 void
4391 Editor::queue_visual_change_y (double y)
4392 {
4393         pending_visual_change.add (VisualChange::YOrigin);
4394         pending_visual_change.y_origin = y;
4395
4396         ensure_visual_change_idle_handler ();
4397 }
4398
4399 void
4400 Editor::ensure_visual_change_idle_handler ()
4401 {
4402         if (pending_visual_change.idle_handler_id < 0) {
4403                 pending_visual_change.idle_handler_id = g_idle_add (_idle_visual_changer, this);
4404         }
4405 }
4406
4407 int
4408 Editor::_idle_visual_changer (void* arg)
4409 {
4410         return static_cast<Editor*>(arg)->idle_visual_changer ();
4411 }
4412
4413 int
4414 Editor::idle_visual_changer ()
4415 {
4416         VisualChange::Type p = pending_visual_change.pending;
4417         pending_visual_change.pending = (VisualChange::Type) 0;
4418
4419 #ifdef FIX_THIS_FOR_V3
4420         double last_time_origin = horizontal_adjustment.get_value();
4421 #endif
4422
4423         if (p & VisualChange::ZoomLevel) {
4424                 set_frames_per_unit (pending_visual_change.frames_per_unit);
4425
4426                 compute_fixed_ruler_scale ();
4427                 compute_current_bbt_points(pending_visual_change.time_origin, pending_visual_change.time_origin + current_page_frames());
4428                 compute_bbt_ruler_scale (pending_visual_change.time_origin, pending_visual_change.time_origin + current_page_frames());
4429                 update_tempo_based_rulers ();
4430         }
4431         if (p & VisualChange::TimeOrigin) {
4432                 horizontal_adjustment.set_value (pending_visual_change.time_origin / frames_per_unit);
4433         }
4434         if (p & VisualChange::YOrigin) {
4435                 vertical_adjustment.set_value (pending_visual_change.y_origin);
4436         }
4437         
4438         nframes64_t csf=0, cef=0;
4439         nframes64_t current_time_origin = (nframes64_t) floor (horizontal_adjustment.get_value() * frames_per_unit);
4440         
4441         if (session) {
4442                 csf = session->current_start_frame();
4443                 cef = session->current_end_frame();
4444         }
4445         
4446         /* if we seek beyond the current end of the canvas, move the end */
4447
4448 #ifdef FIX_THIS_FOR_V3
4449         if (last_time_origin == horizontal_adjustment.get_value() ) {
4450                 /* changed signal not emitted */
4451                 update_fixed_rulers ();
4452                 redisplay_tempo (true);
4453         }
4454 #endif
4455         
4456         if (current_time_origin != pending_visual_change.time_origin) {
4457                 cef += current_page_frames() / 10; // Add a little extra so we can see the end marker
4458                 horizontal_adjustment.set_upper (cef / frames_per_unit);
4459                 horizontal_adjustment.set_value (pending_visual_change.time_origin / frames_per_unit);
4460         } else {
4461                 update_fixed_rulers();
4462                 redisplay_tempo (true);
4463         }
4464
4465         _summary->set_overlays_dirty ();
4466         
4467         //cerr << "Editor::idle_visual_changer () called ha v:l:u:ps:fpu = " << horizontal_adjustment.get_value() << ":" << horizontal_adjustment.get_lower() << ":" << horizontal_adjustment.get_upper() << ":" << horizontal_adjustment.get_page_size() << ":" << frames_per_unit << endl;//DEBUG
4468         pending_visual_change.idle_handler_id = -1;
4469         return 0; /* this is always a one-shot call */
4470 }
4471
4472 struct EditorOrderTimeAxisSorter {
4473     bool operator() (const TimeAxisView* a, const TimeAxisView* b) const {
4474             return a->order () < b->order ();
4475     }
4476 };
4477         
4478 void
4479 Editor::sort_track_selection (TrackSelection* sel)
4480 {
4481         EditorOrderTimeAxisSorter cmp;
4482
4483         if (sel) {
4484                 sel->sort (cmp);
4485         } else {
4486                 selection->tracks.sort (cmp);
4487         }
4488 }
4489
4490 nframes64_t
4491 Editor::get_preferred_edit_position (bool ignore_playhead)
4492 {
4493         bool ignored;
4494         nframes64_t where = 0;
4495         EditPoint ep = _edit_point;
4496
4497         if (entered_marker) {
4498                 return entered_marker->position();
4499         }
4500
4501         if (ignore_playhead && ep == EditAtPlayhead) {
4502                 ep = EditAtSelectedMarker;
4503         }
4504
4505         switch (ep) {
4506         case EditAtPlayhead:
4507                 where = session->audible_frame();
4508                 break;
4509                 
4510         case EditAtSelectedMarker:
4511                 if (!selection->markers.empty()) {
4512                         bool is_start;
4513                         Location* loc = find_location_from_marker (selection->markers.front(), is_start);
4514                         if (loc) {
4515                                 if (is_start) {
4516                                         where =  loc->start();
4517                                 } else {
4518                                         where = loc->end();
4519                                 }
4520                                 break;
4521                         }
4522                 } 
4523                 /* fallthru */
4524                 
4525         default:
4526         case EditAtMouse:
4527                 if (!mouse_frame (where, ignored)) {
4528                         /* XXX not right but what can we do ? */
4529                         return 0;
4530                 }
4531                 snap_to (where);
4532                 break;
4533         }
4534
4535         return where;
4536 }
4537
4538 void
4539 Editor::set_loop_range (nframes64_t start, nframes64_t end, string cmd)
4540 {
4541         if (!session) return;
4542
4543         begin_reversible_command (cmd);
4544         
4545         Location* tll;
4546
4547         if ((tll = transport_loop_location()) == 0) {
4548                 Location* loc = new Location (start, end, _("Loop"),  Location::IsAutoLoop);
4549                 XMLNode &before = session->locations()->get_state();
4550                 session->locations()->add (loc, true);
4551                 session->set_auto_loop_location (loc);
4552                 XMLNode &after = session->locations()->get_state();
4553                 session->add_command (new MementoCommand<Locations>(*(session->locations()), &before, &after));
4554         } else {
4555                 XMLNode &before = tll->get_state();
4556                 tll->set_hidden (false, this);
4557                 tll->set (start, end);
4558                 XMLNode &after = tll->get_state();
4559                 session->add_command (new MementoCommand<Location>(*tll, &before, &after));
4560         }
4561         
4562         commit_reversible_command ();
4563 }
4564
4565 void
4566 Editor::set_punch_range (nframes64_t start, nframes64_t end, string cmd)
4567 {
4568         if (!session) return;
4569
4570         begin_reversible_command (cmd);
4571         
4572         Location* tpl;
4573
4574         if ((tpl = transport_punch_location()) == 0) {
4575                 Location* loc = new Location (start, end, _("Loop"),  Location::IsAutoPunch);
4576                 XMLNode &before = session->locations()->get_state();
4577                 session->locations()->add (loc, true);
4578                 session->set_auto_loop_location (loc);
4579                 XMLNode &after = session->locations()->get_state();
4580                 session->add_command (new MementoCommand<Locations>(*(session->locations()), &before, &after));
4581         }
4582         else {
4583                 XMLNode &before = tpl->get_state();
4584                 tpl->set_hidden (false, this);
4585                 tpl->set (start, end);
4586                 XMLNode &after = tpl->get_state();
4587                 session->add_command (new MementoCommand<Location>(*tpl, &before, &after));
4588         }
4589         
4590         commit_reversible_command ();
4591 }
4592
4593 void
4594 Editor::get_regions_at (RegionSelection& rs, nframes64_t where, const TrackSelection& ts) const
4595 {
4596         const TrackSelection* tracks;
4597
4598         if (ts.empty()) {
4599                 tracks = &track_views;
4600         } else {
4601                 tracks = &ts;
4602         }
4603
4604         for (TrackSelection::const_iterator t = tracks->begin(); t != tracks->end(); ++t) {
4605                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(*t);
4606                 if (rtv) {
4607                         boost::shared_ptr<Diskstream> ds;
4608                         boost::shared_ptr<Playlist> pl;
4609                         
4610                         if ((ds = rtv->get_diskstream()) && ((pl = ds->playlist()))) {
4611
4612                                 Playlist::RegionList* regions = pl->regions_at (
4613                                                 (nframes64_t) floor ( (double)where * ds->speed()));
4614
4615                                 for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
4616                                         RegionView* rv = rtv->view()->find_view (*i);
4617                                         if (rv) {
4618                                                 rs.add (rv);
4619                                         }
4620                                 }
4621
4622                                 delete regions;
4623                         }
4624                 }
4625         }
4626 }
4627
4628 void
4629 Editor::get_regions_after (RegionSelection& rs, nframes64_t where, const TrackSelection& ts) const
4630 {
4631         const TrackSelection* tracks;
4632
4633         if (ts.empty()) {
4634                 tracks = &track_views;
4635         } else {
4636                 tracks = &ts;
4637         }
4638
4639         for (TrackSelection::const_iterator t = tracks->begin(); t != tracks->end(); ++t) {
4640                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(*t);
4641                 if (rtv) {
4642                         boost::shared_ptr<Diskstream> ds;
4643                         boost::shared_ptr<Playlist> pl;
4644                         
4645                         if ((ds = rtv->get_diskstream()) && ((pl = ds->playlist()))) {
4646
4647                                 Playlist::RegionList* regions = pl->regions_touched (
4648                                                 (nframes64_t) floor ( (double)where * ds->speed()), max_frames);
4649
4650                                 for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
4651
4652                                         RegionView* rv = rtv->view()->find_view (*i);
4653
4654                                         if (rv) {
4655                                                 rs.push_back (rv);
4656                                         }
4657                                 }
4658
4659                                 delete regions;
4660                         }
4661                 }
4662         }
4663 }
4664
4665 void
4666 Editor::get_regions_for_action (RegionSelection& rs, bool allow_entered)
4667 {
4668         rs = selection->regions;
4669
4670         if (allow_entered && entered_regionview) {
4671                 rs.add (entered_regionview);
4672         }
4673
4674         TrackSelection tracks = selection->tracks;
4675
4676         RegionSelection to_map = rs;
4677
4678         for (RegionSelection::iterator i = to_map.begin (); i != to_map.end(); ++i) {
4679
4680                 RouteGroup* g = (*i)->get_time_axis_view().route_group ();
4681                 if (g && g->active_property (RouteGroup::Edit)) {
4682                         tracks.add (axis_views_from_routes (g->route_list()));
4683                 }
4684
4685                 nframes64_t const where = get_preferred_edit_position ();
4686                 get_regions_at (rs, where, tracks);
4687         }
4688 }
4689
4690 void
4691 Editor::get_regions_corresponding_to (boost::shared_ptr<Region> region, vector<RegionView*>& regions)
4692 {
4693
4694         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
4695                 
4696                 RouteTimeAxisView* tatv;
4697                 
4698                 if ((tatv = dynamic_cast<RouteTimeAxisView*> (*i)) != 0) {
4699                         
4700                         boost::shared_ptr<Playlist> pl;
4701                         vector<boost::shared_ptr<Region> > results;
4702                         RegionView* marv;
4703                         boost::shared_ptr<Diskstream> ds;
4704                         
4705                         if ((ds = tatv->get_diskstream()) == 0) {
4706                                 /* bus */
4707                                 continue;
4708                         }
4709                         
4710                         if ((pl = (ds->playlist())) != 0) {
4711                                 pl->get_region_list_equivalent_regions (region, results);
4712                         }
4713                         
4714                         for (vector<boost::shared_ptr<Region> >::iterator ir = results.begin(); ir != results.end(); ++ir) {
4715                                 if ((marv = tatv->view()->find_view (*ir)) != 0) {
4716                                         regions.push_back (marv);
4717                                 }
4718                         }
4719                         
4720                 }
4721         }
4722 }       
4723
4724 void
4725 Editor::show_rhythm_ferret ()
4726 {
4727         if (rhythm_ferret == 0) {
4728                 rhythm_ferret = new RhythmFerret(*this);
4729         }
4730
4731         rhythm_ferret->set_session (session);
4732         rhythm_ferret->show ();
4733         rhythm_ferret->present ();
4734 }
4735
4736 void
4737 Editor::show_bundle_manager ()
4738 {
4739         if (_bundle_manager == 0) {
4740                 _bundle_manager = new BundleManager (*session);
4741         }
4742
4743         _bundle_manager->show ();
4744 }
4745
4746 void
4747 Editor::show_global_port_matrix (ARDOUR::DataType t)
4748 {
4749         if (_global_port_matrix[t] == 0) {
4750                 _global_port_matrix[t] = new GlobalPortMatrixWindow (*session, t);
4751         }
4752
4753         _global_port_matrix[t]->show ();
4754 }
4755
4756 void
4757 Editor::first_idle ()
4758 {
4759         MessageDialog* dialog = 0;
4760
4761         if (track_views.size() > 1) { 
4762                 dialog = new MessageDialog (*this, 
4763                                             _("Please wait while Ardour loads visual data"),
4764                                             true,
4765                                             Gtk::MESSAGE_INFO,
4766                                             Gtk::BUTTONS_NONE);
4767                 dialog->present ();
4768                 ARDOUR_UI::instance()->flush_pending ();
4769         }
4770
4771         for (TrackViewList::iterator t = track_views.begin(); t != track_views.end(); ++t) {
4772                 (*t)->first_idle();
4773         }
4774
4775         // first idle adds route children (automation tracks), so we need to redisplay here
4776         _routes->redisplay ();
4777         
4778         delete dialog;
4779
4780         _have_idled = true;
4781 }
4782
4783 static gboolean
4784 _idle_resizer (gpointer arg)
4785 {
4786         return ((Editor*)arg)->idle_resize ();
4787 }
4788
4789 void
4790 Editor::add_to_idle_resize (TimeAxisView* view, int32_t h)
4791 {
4792         if (resize_idle_id < 0) {
4793                 resize_idle_id = g_idle_add (_idle_resizer, this);
4794                 _pending_resize_amount = 0;
4795         }
4796
4797         /* make a note of the smallest resulting height, so that we can clamp the
4798            lower limit at TimeAxisView::hSmall */
4799
4800         int32_t min_resulting = INT32_MAX;
4801
4802         _pending_resize_amount += h;
4803         _pending_resize_view = view;
4804
4805         min_resulting = min (min_resulting, int32_t (_pending_resize_view->current_height()) + _pending_resize_amount);
4806
4807         if (selection->tracks.contains (_pending_resize_view)) {
4808                 for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
4809                         min_resulting = min (min_resulting, int32_t ((*i)->current_height()) + _pending_resize_amount);
4810                 }
4811         }
4812
4813         if (min_resulting < 0) {
4814                 min_resulting = 0;
4815         }
4816
4817         /* clamp */
4818         if (uint32_t (min_resulting) < TimeAxisView::hSmall) {
4819                 _pending_resize_amount += TimeAxisView::hSmall - min_resulting;
4820         }
4821 }
4822
4823 /** Handle pending resizing of tracks */
4824 bool
4825 Editor::idle_resize ()
4826 {
4827         _pending_resize_view->idle_resize (_pending_resize_view->current_height() + _pending_resize_amount);
4828
4829         if (dynamic_cast<AutomationTimeAxisView*> (_pending_resize_view) == 0 &&
4830             selection->tracks.contains (_pending_resize_view)) {
4831                 
4832                 for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
4833                         if (*i != _pending_resize_view) {
4834                                 (*i)->idle_resize ((*i)->current_height() + _pending_resize_amount);
4835                         }
4836                 }
4837         }
4838         
4839         flush_canvas ();
4840         _group_tabs->set_dirty ();
4841         resize_idle_id = -1;
4842         
4843         return false;
4844 }
4845
4846 void
4847 Editor::located ()
4848 {
4849         ENSURE_GUI_THREAD (mem_fun (*this, &Editor::located));
4850
4851         _pending_locate_request = false;
4852 }
4853
4854 void
4855 Editor::region_view_added (RegionView *)
4856 {
4857         _summary->set_dirty ();
4858 }
4859
4860 void
4861 Editor::streamview_height_changed ()
4862 {
4863         _summary->set_dirty ();
4864 }
4865
4866 TimeAxisView*
4867 Editor::axis_view_from_route (Route* r) const
4868 {
4869         TrackViewList::const_iterator j = track_views.begin ();
4870         while (j != track_views.end()) {
4871                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (*j);
4872                 if (rtv && rtv->route().get() == r) {
4873                         return rtv;
4874                 }
4875                 ++j;
4876         }
4877
4878         return 0;
4879 }
4880
4881
4882 TrackSelection
4883 Editor::axis_views_from_routes (list<Route*> r) const
4884 {
4885         TrackSelection t;
4886         
4887         for (list<Route*>::const_iterator i = r.begin(); i != r.end(); ++i) {
4888                 TimeAxisView* tv = axis_view_from_route (*i);
4889                 if (tv) {
4890                         t.push_back (tv);
4891                 }
4892         }
4893
4894         return t;
4895 }
4896
4897
4898 void
4899 Editor::handle_new_route (RouteList& routes)
4900 {
4901         ENSURE_GUI_THREAD (bind (mem_fun (*this, &Editor::handle_new_route), routes));
4902         
4903         RouteTimeAxisView *rtv;
4904         list<RouteTimeAxisView*> new_views;
4905
4906         for (RouteList::iterator x = routes.begin(); x != routes.end(); ++x) {
4907                 boost::shared_ptr<Route> route = (*x);
4908
4909                 if (route->is_hidden()) {
4910                         continue;
4911                 }
4912
4913                 DataType dt = route->input()->default_type();
4914
4915                 if (dt == ARDOUR::DataType::AUDIO) {
4916                         rtv = new AudioTimeAxisView (*this, *session, route, *track_canvas);
4917                 } else if (dt == ARDOUR::DataType::MIDI) {
4918                         rtv = new MidiTimeAxisView (*this, *session, route, *track_canvas);
4919                 } else {
4920                         throw unknown_type();
4921                 }
4922
4923                 new_views.push_back (rtv);
4924                 track_views.push_back (rtv);
4925                 
4926                 rtv->effective_gain_display ();
4927                 
4928                 rtv->view()->RegionViewAdded.connect (mem_fun (*this, &Editor::region_view_added));
4929                 rtv->view()->HeightChanged.connect (mem_fun (*this, &Editor::streamview_height_changed));
4930                 
4931                 rtv->GoingAway.connect (bind (mem_fun(*this, &Editor::remove_route), rtv));
4932         }
4933
4934         _routes->routes_added (new_views);
4935
4936         if (show_editor_mixer_when_tracks_arrive) {
4937                 show_editor_mixer (true);
4938         }
4939
4940         editor_list_button.set_sensitive (true);
4941
4942         _summary->set_dirty ();
4943 }
4944
4945 void
4946 Editor::remove_route (TimeAxisView *tv)
4947 {
4948         ENSURE_GUI_THREAD(bind (mem_fun(*this, &Editor::remove_route), tv));
4949
4950         TrackViewList::iterator i;
4951         boost::shared_ptr<Route> route;
4952         TimeAxisView* next_tv;
4953
4954         if (tv == entered_track) {
4955                 entered_track = 0;
4956         }
4957
4958         if ((i = find (track_views.begin(), track_views.end(), tv)) != track_views.end()) {
4959
4960                i = track_views.erase (i);
4961
4962                if (track_views.empty()) {
4963                        next_tv = 0;
4964                } else if (i == track_views.end()) {
4965                        next_tv = track_views.front();
4966                } else {
4967                       next_tv = (*i);
4968                }
4969         }
4970         
4971         if (current_mixer_strip && current_mixer_strip->route() == route) {
4972
4973                if (next_tv) {
4974                        set_selected_mixer_strip (*next_tv);
4975                } else {
4976                        /* make the editor mixer strip go away setting the
4977                         * button to inactive (which also unticks the menu option)
4978                         */
4979
4980                        ActionManager::uncheck_toggleaction ("<Actions>/Editor/show-editor-mixer");
4981                }
4982         } 
4983 }
4984
4985 void
4986 Editor::hide_track_in_display (TimeAxisView& tv, bool /*temponly*/)
4987 {
4988         RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (&tv);
4989
4990         if (rtv && current_mixer_strip && (rtv->route() == current_mixer_strip->route())) {
4991                 // this will hide the mixer strip
4992                 set_selected_mixer_strip (tv);
4993         }
4994
4995         _routes->hide_track_in_display (tv);
4996 }
4997
4998 bool
4999 Editor::sync_track_view_list_and_routes ()
5000 {
5001         track_views = TrackSelection (_routes->views ());
5002         
5003         _summary->set_dirty ();
5004         _group_tabs->set_dirty ();
5005        
5006         return false; // do not call again (until needed)
5007 }
5008
5009 void
5010 Editor::foreach_time_axis_view (sigc::slot<void,TimeAxisView&> theslot)
5011 {
5012         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5013                 theslot (**i);
5014         }
5015 }
5016
5017 RouteTimeAxisView*
5018 Editor::get_route_view_by_id (PBD::ID& id)
5019 {
5020         RouteTimeAxisView* v;
5021
5022         for(TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5023                 if((v = dynamic_cast<RouteTimeAxisView*>(*i)) != 0) {
5024                         if(v->route()->id() == id) {
5025                                 return v;
5026                         }
5027                 }
5028         }
5029
5030         return 0;
5031 }
5032
5033 void
5034 Editor::fit_route_group (RouteGroup *g)
5035 {
5036         TrackSelection ts = axis_views_from_routes (g->route_list ());
5037         fit_tracks (ts);
5038 }
5039
5040 void
5041 Editor::consider_auditioning (boost::shared_ptr<Region> region)
5042 {
5043         boost::shared_ptr<AudioRegion> r = boost::dynamic_pointer_cast<AudioRegion> (region);
5044
5045         if (r == 0) {
5046                 session->cancel_audition ();
5047                 return;
5048         }
5049
5050         if (session->is_auditioning()) {
5051                 session->cancel_audition ();
5052                 if (r == last_audition_region) {
5053                         return;
5054                 }
5055         }
5056
5057         session->audition_region (r);
5058         last_audition_region = r;
5059 }
5060
5061
5062 void
5063 Editor::hide_a_region (boost::shared_ptr<Region> r)
5064 {
5065         r->set_hidden (true);
5066 }
5067
5068 void
5069 Editor::remove_a_region (boost::shared_ptr<Region> r)
5070 {
5071         session->remove_region_from_region_list (r);
5072 }
5073
5074 void
5075 Editor::audition_region_from_region_list ()
5076 {
5077         _regions->selection_mapover (mem_fun (*this, &Editor::consider_auditioning));
5078 }
5079
5080 void
5081 Editor::hide_region_from_region_list ()
5082 {
5083         _regions->selection_mapover (mem_fun (*this, &Editor::hide_a_region));
5084 }
5085