9011e3efa2c5624f9c8460f9509cba3954d01665
[ardour.git] / gtk2_ardour / editor.cc
1 /*
2     Copyright (C) 2000-2006 Paul Davis 
3
4     This program is free software; you can redistribute it and/or modify
5     it under the terms of the GNU General Public License as published by
6     the Free Software Foundation; either version 2 of the License, or
7     (at your option) any later version.
8
9     This program is distributed in the hope that it will be useful,
10     but WITHOUT ANY WARRANTY; without even the implied warranty of
11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12     GNU General Public License for more details.
13
14     You should have received a copy of the GNU General Public License
15     along with this program; if not, write to the Free Software
16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
17
18     $Id$
19 */
20
21 #include <unistd.h>
22 #include <cstdlib>
23 #include <cmath>
24 #include <string>
25 #include <algorithm>
26
27 #include <sigc++/bind.h>
28
29 #include <pbd/convert.h>
30 #include <pbd/error.h>
31 #include <pbd/memento_command.h>
32
33 #include <gtkmm/image.h>
34 #include <gdkmm/color.h>
35 #include <gdkmm/bitmap.h>
36
37 #include <gtkmm2ext/gtk_ui.h>
38 #include <gtkmm2ext/tearoff.h>
39 #include <gtkmm2ext/utils.h>
40
41 #include <ardour/audio_track.h>
42 #include <ardour/audio_diskstream.h>
43 #include <ardour/plugin_manager.h>
44 #include <ardour/location.h>
45 #include <ardour/audioplaylist.h>
46 #include <ardour/audioregion.h>
47 #include <ardour/region.h>
48 #include <ardour/session_route.h>
49 #include <ardour/tempo.h>
50 #include <ardour/utils.h>
51
52 #include <control_protocol/control_protocol.h>
53
54 #include "ardour_ui.h"
55 #include "editor.h"
56 #include "grouped_buttons.h"
57 #include "keyboard.h"
58 #include "marker.h"
59 #include "playlist_selector.h"
60 #include "audio_region_view.h"
61 #include "rgb_macros.h"
62 #include "selection.h"
63 #include "audio_streamview.h"
64 #include "time_axis_view.h"
65 #include "utils.h"
66 #include "crossfade_view.h"
67 #include "editing.h"
68 #include "public_editor.h"
69 #include "crossfade_edit.h"
70 #include "audio_time_axis.h"
71 #include "canvas_impl.h"
72 #include "actions.h"
73 #include "gui_thread.h"
74
75 #ifdef FFT_ANALYSIS
76 #include "analysis_window.h"
77 #endif
78
79 #include "i18n.h"
80
81 /* <CMT Additions> */
82 #include "imageframe_socket_handler.h"
83 /* </CMT Additions> */
84
85 using namespace std;
86 using namespace sigc;
87 using namespace ARDOUR;
88 using namespace PBD;
89 using namespace Gtk;
90 using namespace Glib;
91 using namespace Gtkmm2ext;
92 using namespace Editing;
93
94 using PBD::internationalize;
95 using PBD::atoi;
96
97 const double Editor::timebar_height = 15.0;
98
99 #include "editor_xpms"
100
101 static const int32_t slide_index = 0;
102 static const int32_t splice_index = 1;
103
104 static const gchar *edit_mode_strings[] = {
105         N_("Slide Edit"),
106         N_("Splice Edit"),
107         0
108 };
109
110 static const gchar *snap_type_strings[] = {
111         N_("None"),
112         N_("CD Frames"),
113         N_("SMPTE Frames"),
114         N_("SMPTE Seconds"),
115         N_("SMPTE Minutes"),
116         N_("Seconds"),
117         N_("Minutes"),
118         N_("Beats/32"),
119         N_("Beats/16"),
120         N_("Beats/8"),
121         N_("Beats/4"),
122         N_("Beats/3"),
123         N_("Beats"),
124         N_("Bars"),
125         N_("Marks"),
126         N_("Edit Cursor"),
127         N_("Region starts"),
128         N_("Region ends"),
129         N_("Region syncs"),
130         N_("Region bounds"),
131         0
132 };
133
134 static const gchar *snap_mode_strings[] = {
135         N_("Normal Snap"),
136         N_("Magnetic Snap"),
137         0
138 };
139
140 static const gchar *zoom_focus_strings[] = {
141         N_("Focus Left"),
142         N_("Focus Right"),
143         N_("Focus Center"),
144         N_("Focus Play"),
145         N_("Focus Edit"),
146         0
147 };
148
149 /* Soundfile  drag-n-drop */
150
151 Gdk::Cursor* Editor::cross_hair_cursor = 0;
152 Gdk::Cursor* Editor::selector_cursor = 0;
153 Gdk::Cursor* Editor::trimmer_cursor = 0;
154 Gdk::Cursor* Editor::grabber_cursor = 0;
155 Gdk::Cursor* Editor::zoom_cursor = 0;
156 Gdk::Cursor* Editor::time_fx_cursor = 0;
157 Gdk::Cursor* Editor::fader_cursor = 0;
158 Gdk::Cursor* Editor::speaker_cursor = 0;
159 Gdk::Cursor* Editor::wait_cursor = 0;
160 Gdk::Cursor* Editor::timebar_cursor = 0;
161
162 void
163 show_me_the_size (Requisition* r, const char* what)
164 {
165         cerr << "size of " << what << " = " << r->width << " x " << r->height << endl;
166 }
167
168 void 
169 check_adjustment (Gtk::Adjustment* adj)
170 {
171         cerr << "CHANGE adj  = " 
172              << adj->get_lower () <<  ' '
173              << adj->get_upper () <<  ' '
174              << adj->get_value () <<  ' '
175              << adj->get_step_increment () <<  ' '
176              << adj->get_page_increment () <<  ' '
177              << adj->get_page_size () <<  ' '
178              << endl;
179
180 }
181
182 Editor::Editor (AudioEngine& eng) 
183         : engine (eng),
184
185           /* time display buttons */
186
187           minsec_label (_("Mins:Secs")),
188           bbt_label (_("Bars:Beats")),
189           smpte_label (_("SMPTE")),
190           frame_label (_("Frames")),
191           tempo_label (_("Tempo")),
192           meter_label (_("Meter")),
193           mark_label (_("Location Markers")),
194           range_mark_label (_("Range Markers")),
195           transport_mark_label (_("Loop/Punch Ranges")),
196
197           edit_packer (3, 3, false),
198
199           /* the values here don't matter: layout widgets
200              reset them as needed.
201           */
202
203           vertical_adjustment (0.0, 0.0, 10.0, 400.0),
204           horizontal_adjustment (0.0, 0.0, 20.0, 1200.0),
205
206           /* tool bar related */
207
208           edit_cursor_clock (X_("EditCursorClock"), true),
209           zoom_range_clock (X_("ZoomRangeClock"), true, true),
210           
211           toolbar_selection_clock_table (2,3),
212           
213           automation_mode_button (_("mode")),
214           global_automation_button (_("automation")),
215
216           /* <CMT Additions> */
217           image_socket_listener(0),
218           /* </CMT Additions> */
219
220           /* nudge */
221
222           nudge_clock (X_("NudgeClock"), true, true)
223
224 {
225         constructed = false;
226
227         /* we are a singleton */
228
229         PublicEditor::_instance = this;
230
231         session = 0;
232
233         selection = new Selection;
234         cut_buffer = new Selection;
235
236         selection->TimeChanged.connect (mem_fun(*this, &Editor::time_selection_changed));
237         selection->TracksChanged.connect (mem_fun(*this, &Editor::track_selection_changed));
238         selection->RegionsChanged.connect (mem_fun(*this, &Editor::region_selection_changed));
239         selection->PointsChanged.connect (mem_fun(*this, &Editor::point_selection_changed));
240
241         clicked_regionview = 0;
242         clicked_trackview = 0;
243         clicked_audio_trackview = 0;
244         clicked_crossfadeview = 0;
245         clicked_control_point = 0;
246         latest_regionview = 0;
247         last_update_frame = 0;
248         drag_info.item = 0;
249         current_mixer_strip = 0;
250         current_bbt_points = 0;
251
252         snap_type = SnapToFrame;
253         set_snap_to (snap_type);
254         snap_mode = SnapNormal;
255         set_snap_mode (snap_mode);
256         snap_threshold = 5.0;
257         bbt_beat_subdivision = 4;
258         canvas_width = 0;
259         canvas_height = 0;
260         autoscroll_timeout_tag = -1;
261         interthread_progress_window = 0;
262
263 #ifdef FFT_ANALYSIS
264         analysis_window = 0;
265 #endif
266
267         current_interthread_info = 0;
268         _show_measures = true;
269         _show_waveforms = true;
270         _show_waveforms_recording = true;
271         first_action_message = 0;
272         export_dialog = 0;
273         show_gain_after_trim = false;
274         ignore_route_list_reorder = false;
275         no_route_list_redisplay = false;
276         verbose_cursor_on = true;
277         route_removal = false;
278         track_spacing = 0;
279         show_automatic_regions_in_region_list = true;
280         region_list_sort_type = (Editing::RegionListSortType) 0; 
281         have_pending_keyboard_selection = false;
282         _follow_playhead = true;
283         _xfade_visibility = true;
284         editor_ruler_menu = 0;
285         no_ruler_shown_update = false;
286         edit_group_list_menu = 0;
287         route_list_menu = 0;
288         region_list_menu = 0;
289         marker_menu = 0;
290         range_marker_menu = 0;
291         marker_menu_item = 0;
292         tm_marker_menu = 0;
293         transport_marker_menu = 0;
294         new_transport_marker_menu = 0;
295         editor_mixer_strip_width = Wide;
296         repos_zoom_queued = false;
297         region_edit_menu_split_item = 0;
298         temp_location = 0;
299         region_edit_menu_split_multichannel_item = 0;
300         leftmost_frame = 0;
301         ignore_mouse_mode_toggle = false;
302         current_stepping_trackview = 0;
303         entered_track = 0;
304         entered_regionview = 0;
305         clear_entered_track = false;
306         _new_regionviews_show_envelope = false;
307         current_timestretch = 0;
308         in_edit_group_row_change = false;
309         last_canvas_frame = 0;
310         edit_cursor = 0;
311         playhead_cursor = 0;
312         button_release_can_deselect = true;
313
314         location_marker_color = color_map[cLocationMarker];
315         location_range_color = color_map[cLocationRange];
316         location_cd_marker_color = color_map[cLocationCDMarker];
317         location_loop_color = color_map[cLocationLoop];
318         location_punch_color = color_map[cLocationPunch];
319
320         range_marker_drag_rect = 0;
321         marker_drag_line = 0;
322         
323         set_mouse_mode (MouseObject, true);
324
325         frames_per_unit = 2048; /* too early to use set_frames_per_unit */
326         reset_hscrollbar_stepping ();
327         
328         zoom_focus = ZoomFocusLeft;
329         set_zoom_focus (ZoomFocusLeft);
330         zoom_range_clock.ValueChanged.connect (mem_fun(*this, &Editor::zoom_adjustment_changed));
331
332         initialize_rulers ();
333         initialize_canvas ();
334
335         edit_controls_vbox.set_spacing (0);
336         horizontal_adjustment.signal_value_changed().connect (mem_fun(*this, &Editor::canvas_horizontally_scrolled));
337         vertical_adjustment.signal_value_changed().connect (mem_fun(*this, &Editor::tie_vertical_scrolling));
338         
339         track_canvas.set_hadjustment (horizontal_adjustment);
340         track_canvas.set_vadjustment (vertical_adjustment);
341         time_canvas.set_hadjustment (horizontal_adjustment);
342
343         track_canvas.signal_map_event().connect (mem_fun (*this, &Editor::track_canvas_map_handler));
344         time_canvas.signal_map_event().connect (mem_fun (*this, &Editor::time_canvas_map_handler));
345         
346         controls_layout.add (edit_controls_vbox);
347         controls_layout.set_name ("EditControlsBase");
348         controls_layout.add_events (Gdk::SCROLL_MASK);
349         controls_layout.signal_scroll_event().connect (mem_fun(*this, &Editor::control_layout_scroll), false);
350         
351         controls_layout.add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK);
352         controls_layout.signal_button_release_event().connect (mem_fun(*this, &Editor::edit_controls_button_release));
353         controls_layout.signal_size_request().connect (mem_fun (*this, &Editor::controls_layout_size_request));
354
355         edit_vscrollbar.set_adjustment (vertical_adjustment);
356         edit_hscrollbar.set_adjustment (horizontal_adjustment);
357
358         edit_hscrollbar.signal_button_press_event().connect (mem_fun(*this, &Editor::hscrollbar_button_press));
359         edit_hscrollbar.signal_button_release_event().connect (mem_fun(*this, &Editor::hscrollbar_button_release));
360         edit_hscrollbar.signal_size_allocate().connect (mem_fun(*this, &Editor::hscrollbar_allocate));
361
362         build_cursors ();
363         setup_toolbar ();
364
365         edit_cursor_clock.ValueChanged.connect (mem_fun(*this, &Editor::edit_cursor_clock_changed));
366         
367         time_canvas_vbox.pack_start (*minsec_ruler, false, false);
368         time_canvas_vbox.pack_start (*smpte_ruler, false, false);
369         time_canvas_vbox.pack_start (*frames_ruler, false, false);
370         time_canvas_vbox.pack_start (*bbt_ruler, false, false);
371         time_canvas_vbox.pack_start (time_canvas, true, true);
372         time_canvas_vbox.set_size_request (-1, (int)(timebar_height * visible_timebars));
373
374         bbt_label.set_name ("EditorTimeButton");
375         bbt_label.set_size_request (-1, (int)timebar_height);
376         bbt_label.set_alignment (1.0, 0.5);
377         bbt_label.set_padding (5,0);
378         minsec_label.set_name ("EditorTimeButton");
379         minsec_label.set_size_request (-1, (int)timebar_height);
380         minsec_label.set_alignment (1.0, 0.5);
381         minsec_label.set_padding (5,0);
382         smpte_label.set_name ("EditorTimeButton");
383         smpte_label.set_size_request (-1, (int)timebar_height);
384         smpte_label.set_alignment (1.0, 0.5);
385         smpte_label.set_padding (5,0);
386         frame_label.set_name ("EditorTimeButton");
387         frame_label.set_size_request (-1, (int)timebar_height);
388         frame_label.set_alignment (1.0, 0.5);
389         frame_label.set_padding (5,0);
390         tempo_label.set_name ("EditorTimeButton");
391         tempo_label.set_size_request (-1, (int)timebar_height);
392         tempo_label.set_alignment (1.0, 0.5);
393         tempo_label.set_padding (5,0);
394         meter_label.set_name ("EditorTimeButton");
395         meter_label.set_size_request (-1, (int)timebar_height);
396         meter_label.set_alignment (1.0, 0.5);
397         meter_label.set_padding (5,0);
398         mark_label.set_name ("EditorTimeButton");
399         mark_label.set_size_request (-1, (int)timebar_height);
400         mark_label.set_alignment (1.0, 0.5);
401         mark_label.set_padding (5,0);
402         range_mark_label.set_name ("EditorTimeButton");
403         range_mark_label.set_size_request (-1, (int)timebar_height);
404         range_mark_label.set_alignment (1.0, 0.5);
405         range_mark_label.set_padding (5,0);
406         transport_mark_label.set_name ("EditorTimeButton");
407         transport_mark_label.set_size_request (-1, (int)timebar_height);
408         transport_mark_label.set_alignment (1.0, 0.5);
409         transport_mark_label.set_padding (5,0);
410         
411         time_button_vbox.pack_start (minsec_label, false, false);
412         time_button_vbox.pack_start (smpte_label, false, false);
413         time_button_vbox.pack_start (frame_label, false, false);
414         time_button_vbox.pack_start (bbt_label, false, false);
415         time_button_vbox.pack_start (meter_label, false, false);
416         time_button_vbox.pack_start (tempo_label, false, false);
417         time_button_vbox.pack_start (mark_label, false, false);
418
419         time_button_event_box.add (time_button_vbox);
420         
421         time_button_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
422         time_button_event_box.set_name ("TimebarLabelBase");
423         time_button_event_box.signal_button_release_event().connect (mem_fun(*this, &Editor::ruler_label_button_release));
424
425         /* these enable us to have a dedicated window (for cursor setting, etc.) 
426            for the canvas areas.
427         */
428
429         track_canvas_event_box.add (track_canvas);
430
431         time_canvas_event_box.add (time_canvas_vbox);
432         time_canvas_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::POINTER_MOTION_MASK);
433         
434         edit_packer.set_col_spacings (0);
435         edit_packer.set_row_spacings (0);
436         edit_packer.set_homogeneous (false);
437         edit_packer.set_border_width (0);
438         edit_packer.set_name ("EditorWindow");
439         
440         edit_packer.attach (edit_vscrollbar,         0, 1, 1, 3,    FILL,        FILL|EXPAND, 0, 0);
441
442         edit_packer.attach (time_button_event_box,   1, 2, 0, 1,    FILL,        FILL, 0, 0);
443         edit_packer.attach (time_canvas_event_box,   2, 3, 0, 1,    FILL|EXPAND, FILL, 0, 0);
444
445         edit_packer.attach (controls_layout,         1, 2, 1, 2,    FILL,        FILL|EXPAND, 0, 0);
446         edit_packer.attach (track_canvas_event_box,  2, 3, 1, 2,    FILL|EXPAND, FILL|EXPAND, 0, 0);
447
448         edit_packer.attach (edit_hscrollbar,         2, 3, 2, 3,    FILL|EXPAND,  FILL, 0, 0);
449
450         bottom_hbox.set_border_width (2);
451         bottom_hbox.set_spacing (3);
452
453         route_display_model = ListStore::create(route_display_columns);
454         route_list_display.set_model (route_display_model);
455         route_list_display.append_column (_("Visible"), route_display_columns.visible);
456         route_list_display.append_column (_("Name"), route_display_columns.text);
457         route_list_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
458         route_list_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
459         route_list_display.set_headers_visible (true);
460         route_list_display.set_name ("TrackListDisplay");
461         route_list_display.get_selection()->set_mode (SELECTION_NONE);
462         route_list_display.set_reorderable (true);
463         route_list_display.set_size_request (100,-1);
464
465         CellRendererToggle* route_list_visible_cell = dynamic_cast<CellRendererToggle*>(route_list_display.get_column_cell_renderer (0));
466         route_list_visible_cell->property_activatable() = true;
467         route_list_visible_cell->property_radio() = false;
468         
469         route_display_model->signal_row_deleted().connect (mem_fun (*this, &Editor::route_list_delete));
470         route_display_model->signal_row_changed().connect (mem_fun (*this, &Editor::route_list_change));
471
472         route_list_display.signal_button_press_event().connect (mem_fun (*this, &Editor::route_list_display_button_press), false);
473
474         route_list_scroller.add (route_list_display);
475         route_list_scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
476
477         group_model = ListStore::create(group_columns);
478         edit_group_display.set_model (group_model);
479         edit_group_display.append_column (_("Name"), group_columns.text);
480         edit_group_display.append_column (_("Active"), group_columns.is_active);
481         edit_group_display.append_column (_("Visible"), group_columns.is_visible);
482         edit_group_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
483         edit_group_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
484         edit_group_display.get_column (2)->set_data (X_("colnum"), GUINT_TO_POINTER(2));
485         edit_group_display.get_column (0)->set_expand (true);
486         edit_group_display.get_column (1)->set_expand (false);
487         edit_group_display.get_column (2)->set_expand (false);
488         edit_group_display.set_headers_visible (true);
489
490         /* name is directly editable */
491
492         CellRendererText* name_cell = dynamic_cast<CellRendererText*>(edit_group_display.get_column_cell_renderer (0));
493         name_cell->property_editable() = true;
494         name_cell->signal_edited().connect (mem_fun (*this, &Editor::edit_group_name_edit));
495
496         /* use checkbox for the active + visible columns */
497
498         CellRendererToggle* active_cell = dynamic_cast<CellRendererToggle*>(edit_group_display.get_column_cell_renderer (1));
499         active_cell->property_activatable() = true;
500         active_cell->property_radio() = false;
501
502         active_cell = dynamic_cast<CellRendererToggle*>(edit_group_display.get_column_cell_renderer (1));
503         active_cell->property_activatable() = true;
504         active_cell->property_radio() = false;
505
506         edit_group_display.set_name ("EditGroupList");
507
508         group_model->signal_row_changed().connect (mem_fun (*this, &Editor::edit_group_row_change));
509
510         edit_group_display.set_name ("EditGroupList");
511         edit_group_display.get_selection()->set_mode (SELECTION_SINGLE);
512         edit_group_display.set_reorderable (false);
513         edit_group_display.set_rules_hint (true);
514         edit_group_display.set_size_request (75, -1);
515
516         edit_group_display_scroller.add (edit_group_display);
517         edit_group_display_scroller.set_policy (POLICY_AUTOMATIC, POLICY_AUTOMATIC);
518
519         edit_group_display.signal_button_press_event().connect (mem_fun(*this, &Editor::edit_group_list_button_press_event), false);
520
521         VBox* edit_group_display_packer = manage (new VBox());
522         HButtonBox* edit_group_display_button_box = manage (new HButtonBox());
523         edit_group_display_button_box->set_homogeneous (true);
524
525         Button* edit_group_add_button = manage (new Button ());
526         Button* edit_group_remove_button = manage (new Button ());
527
528         Widget* w;
529
530         w = manage (new Image (Stock::ADD, ICON_SIZE_BUTTON));
531         w->show();
532         edit_group_add_button->add (*w);
533
534         w = manage (new Image (Stock::REMOVE, ICON_SIZE_BUTTON));
535         w->show();
536         edit_group_remove_button->add (*w);
537
538         edit_group_add_button->signal_clicked().connect (mem_fun (*this, &Editor::new_edit_group));
539         edit_group_remove_button->signal_clicked().connect (mem_fun (*this, &Editor::remove_selected_edit_group));
540         
541         edit_group_display_button_box->pack_start (*edit_group_add_button);
542         edit_group_display_button_box->pack_start (*edit_group_remove_button);
543
544         edit_group_display_packer->pack_start (edit_group_display_scroller, true, true);
545         edit_group_display_packer->pack_start (*edit_group_display_button_box, false, false);
546
547         region_list_display.set_size_request (100, -1);
548         region_list_display.set_name ("RegionListDisplay");
549
550         region_list_model = TreeStore::create (region_list_columns);
551         region_list_model->set_sort_func (0, mem_fun (*this, &Editor::region_list_sorter));
552         region_list_model->set_sort_column (0, SORT_ASCENDING);
553
554         region_list_display.set_model (region_list_model);
555         region_list_display.append_column (_("Regions"), region_list_columns.name);
556         region_list_display.set_headers_visible (false);
557         region_list_display.set_hover_expand (true);
558
559         region_list_display.get_selection()->set_select_function (mem_fun (*this, &Editor::region_list_selection_filter));
560         
561         TreeViewColumn* tv_col = region_list_display.get_column(0);
562         CellRendererText* renderer = dynamic_cast<CellRendererText*>(region_list_display.get_column_cell_renderer (0));
563         tv_col->add_attribute(renderer->property_text(), region_list_columns.name);
564         tv_col->add_attribute(renderer->property_foreground_gdk(), region_list_columns.color_);
565         
566         region_list_display.get_selection()->set_mode (SELECTION_MULTIPLE);
567         region_list_display.add_object_drag (region_list_columns.region.index(), "regions");
568
569         /* setup DnD handling */
570         
571         list<TargetEntry> region_list_target_table;
572         
573         region_list_target_table.push_back (TargetEntry ("text/plain"));
574         region_list_target_table.push_back (TargetEntry ("text/uri-list"));
575         region_list_target_table.push_back (TargetEntry ("application/x-rootwin-drop"));
576         
577         region_list_display.add_drop_targets (region_list_target_table);
578         region_list_display.signal_drag_data_received().connect (mem_fun(*this, &Editor::region_list_display_drag_data_received));
579
580         region_list_scroller.add (region_list_display);
581         region_list_scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
582
583         region_list_display.signal_key_press_event().connect (mem_fun(*this, &Editor::region_list_display_key_press));
584         region_list_display.signal_key_release_event().connect (mem_fun(*this, &Editor::region_list_display_key_release));
585         region_list_display.signal_button_press_event().connect (mem_fun(*this, &Editor::region_list_display_button_press), false);
586         region_list_display.signal_button_release_event().connect (mem_fun(*this, &Editor::region_list_display_button_release));
587         region_list_display.get_selection()->signal_changed().connect (mem_fun(*this, &Editor::region_list_selection_changed));
588         // region_list_display.signal_popup_menu().connect (bind (mem_fun (*this, &Editor::show_region_list_display_context_menu), 1, 0));
589         
590         named_selection_scroller.add (named_selection_display);
591         named_selection_scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
592
593         named_selection_model = TreeStore::create (named_selection_columns);
594         named_selection_display.set_model (named_selection_model);
595         named_selection_display.append_column (_("Chunks"), named_selection_columns.text);
596         named_selection_display.set_headers_visible (false);
597         named_selection_display.set_size_request (100, -1);
598         named_selection_display.set_name ("RegionListDisplay");
599         
600         named_selection_display.get_selection()->set_mode (SELECTION_SINGLE);
601         named_selection_display.set_size_request (100, -1);
602         named_selection_display.signal_button_press_event().connect (mem_fun(*this, &Editor::named_selection_display_button_press), false);
603         named_selection_display.get_selection()->signal_changed().connect (mem_fun (*this, &Editor::named_selection_display_selection_changed));
604
605         /* SNAPSHOTS */
606
607         snapshot_display_model = ListStore::create (snapshot_display_columns);
608         snapshot_display.set_model (snapshot_display_model);
609         snapshot_display.append_column (X_("snapshot"), snapshot_display_columns.visible_name);
610         snapshot_display.set_name ("SnapshotDisplayList");
611         snapshot_display.set_size_request (75, -1);
612         snapshot_display.set_headers_visible (false);
613         snapshot_display.set_reorderable (false);
614         snapshot_display_scroller.add (snapshot_display);
615         snapshot_display_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
616
617         snapshot_display.get_selection()->signal_changed().connect (mem_fun(*this, &Editor::snapshot_display_selection_changed));
618         snapshot_display.signal_button_press_event().connect (mem_fun (*this, &Editor::snapshot_display_button_press), false);
619
620         Gtk::Label* nlabel;
621
622         nlabel = manage (new Label (_("Regions")));
623         nlabel->set_angle (-90);
624         the_notebook.append_page (region_list_scroller, *nlabel);
625         nlabel = manage (new Label (_("Tracks/Busses")));
626         nlabel->set_angle (-90);
627         the_notebook.append_page (route_list_scroller, *nlabel);
628         nlabel = manage (new Label (_("Snapshots")));
629         nlabel->set_angle (-90);
630         the_notebook.append_page (snapshot_display_scroller, *nlabel);
631         nlabel = manage (new Label (_("Edit Groups")));
632         nlabel->set_angle (-90);
633         the_notebook.append_page (*edit_group_display_packer, *nlabel);
634         nlabel = manage (new Label (_("Chunks")));
635         nlabel->set_angle (-90);
636         the_notebook.append_page (named_selection_scroller, *nlabel);
637
638         the_notebook.set_show_tabs (true);
639         the_notebook.set_scrollable (true);
640         the_notebook.popup_enable ();
641         the_notebook.set_tab_pos (Gtk::POS_RIGHT);
642
643         edit_pane.pack1 (edit_packer, true, true);
644         edit_pane.pack2 (the_notebook, false, true);
645         
646         edit_pane.signal_size_allocate().connect (bind (mem_fun(*this, &Editor::pane_allocation_handler), static_cast<Paned*> (&edit_pane)));
647
648         top_hbox.pack_start (toolbar_frame, true, true);
649
650         HBox *hbox = manage (new HBox);
651         hbox->pack_start (edit_pane, true, true);
652
653         global_vpacker.pack_start (top_hbox, false, false);
654         global_vpacker.pack_start (*hbox, true, true);
655
656         global_hpacker.pack_start (global_vpacker, true, true);
657
658         set_name ("EditorWindow");
659         add_accel_group (ActionManager::ui_manager->get_accel_group());
660
661         vpacker.pack_end (global_hpacker, true, true);
662
663         /* register actions now so that set_state() can find them and set toggles/checks etc */
664         
665         register_actions ();
666         
667         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
668         set_state (*node);
669
670         _playlist_selector = new PlaylistSelector();
671         _playlist_selector->signal_delete_event().connect (bind (sigc::ptr_fun (just_hide_it), static_cast<Window *> (_playlist_selector)));
672
673         RegionView::RegionViewGoingAway.connect (mem_fun(*this, &Editor::catch_vanishing_regionview));
674
675         /* nudge stuff */
676
677         nudge_forward_button.add (*(manage (new Image (get_xpm("right_arrow.xpm")))));
678         nudge_backward_button.add (*(manage (new Image (get_xpm("left_arrow.xpm")))));
679
680         ARDOUR_UI::instance()->tooltips().set_tip (nudge_forward_button, _("Nudge Region/Selection Forwards"));
681         ARDOUR_UI::instance()->tooltips().set_tip (nudge_backward_button, _("Nudge Region/Selection Backwards"));
682
683         nudge_forward_button.set_name ("TransportButton");
684         nudge_backward_button.set_name ("TransportButton");
685
686         fade_context_menu.set_name ("ArdourContextMenu");
687
688         set_title (_("ardour: editor"));
689         set_wmclass (_("ardour_editor"), "Ardour");
690
691         add (vpacker);
692         add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK);
693
694         signal_configure_event().connect (mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::configure_handler));
695         signal_delete_event().connect (mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::exit_on_main_window_close));
696
697         /* allow external control surfaces/protocols to do various things */
698
699         ControlProtocol::ZoomToSession.connect (mem_fun (*this, &Editor::temporal_zoom_session));
700         ControlProtocol::ZoomIn.connect (bind (mem_fun (*this, &Editor::temporal_zoom_step), false));
701         ControlProtocol::ZoomOut.connect (bind (mem_fun (*this, &Editor::temporal_zoom_step), true));
702         ControlProtocol::ScrollTimeline.connect (mem_fun (*this, &Editor::control_scroll));
703
704         constructed = true;
705         instant_save ();
706
707 }
708
709 Editor::~Editor()
710 {
711         /* <CMT Additions> */
712         if(image_socket_listener)
713         {
714                 if(image_socket_listener->is_connected())
715                 {
716                         image_socket_listener->close_connection() ;
717                 }
718                 
719                 delete image_socket_listener ;
720                 image_socket_listener = 0 ;
721         }
722         /* </CMT Additions> */
723 }
724
725 void
726 Editor::add_toplevel_controls (Container& cont)
727 {
728         vpacker.pack_start (cont, false, false);
729         cont.show_all ();
730 }
731
732 void
733 Editor::catch_vanishing_regionview (RegionView *rv)
734 {
735         /* note: the selection will take care of the vanishing
736            audioregionview by itself.
737         */
738
739         if (clicked_regionview == rv) {
740                 clicked_regionview = 0;
741         }
742
743         if (entered_regionview == rv) {
744                 set_entered_regionview (0);
745         }
746 }
747
748 void
749 Editor::set_entered_regionview (RegionView* rv)
750 {
751         if (rv == entered_regionview) {
752                 return;
753         }
754
755         if (entered_regionview) {
756                 entered_regionview->exited ();
757         }
758
759         if ((entered_regionview = rv) != 0) {
760                 entered_regionview->entered ();
761         }
762 }
763
764 void
765 Editor::set_entered_track (TimeAxisView* tav)
766 {
767         if (entered_track) {
768                 entered_track->exited ();
769         }
770
771         if ((entered_track = tav) != 0) {
772                 entered_track->entered ();
773         }
774 }
775
776 void
777 Editor::show_window ()
778 {
779         show_all ();
780         present ();
781
782         /* now reset all audio_time_axis heights, because widgets might need
783            to be re-hidden
784         */
785         
786         TimeAxisView *tv;
787         
788         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
789                 tv = (static_cast<TimeAxisView*>(*i));
790                 tv->reset_height ();
791         }
792 }
793
794 void
795 Editor::tie_vertical_scrolling ()
796 {
797         double y1 = vertical_adjustment.get_value();
798         controls_layout.get_vadjustment()->set_value (y1);
799         playhead_cursor->set_y_axis(y1);
800         edit_cursor->set_y_axis(y1);
801 }
802
803 void
804 Editor::set_frames_per_unit (double fpu)
805 {
806         jack_nframes_t frames;
807
808         if (fpu == frames_per_unit) {
809                 return;
810         }
811
812         if (fpu < 1.0) {
813                 fpu = 1.0;
814         }
815
816         // convert fpu to frame count
817
818         frames = (jack_nframes_t) floor (fpu * canvas_width);
819         
820         /* don't allow zooms that fit more than the maximum number
821            of frames into an 800 pixel wide space.
822         */
823
824         if (max_frames / fpu < 800.0) {
825                 return;
826         }
827
828         frames_per_unit = fpu;
829
830         if (frames != zoom_range_clock.current_duration()) {
831                 zoom_range_clock.set (frames);
832         }
833
834         if (mouse_mode == MouseRange && selection->time.start () != selection->time.end_frame ()) {
835                 if (!selection->tracks.empty()) {
836                         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
837                                 (*i)->reshow_selection (selection->time);
838                         }
839                 } else {
840                         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
841                                 (*i)->reshow_selection (selection->time);
842                         }
843                 }
844         }
845
846         ZoomChanged (); /* EMIT_SIGNAL */
847
848         reset_hscrollbar_stepping ();
849         reset_scrolling_region ();
850         
851         if (edit_cursor) edit_cursor->set_position (edit_cursor->current_frame);
852         if (playhead_cursor) playhead_cursor->set_position (playhead_cursor->current_frame);
853
854         instant_save ();
855
856 }
857
858 void
859 Editor::instant_save ()
860 {
861         if (!constructed || !ARDOUR_UI::instance()->session_loaded) {
862                 return;
863         }
864
865         if (session) {
866                 session->add_instant_xml(get_state(), session->path());
867         } else {
868                 Config->add_instant_xml(get_state(), get_user_ardour_path());
869         }
870 }
871
872 void
873 Editor::reposition_x_origin (jack_nframes_t frame)
874 {
875         if (frame != leftmost_frame) {
876                 leftmost_frame = frame;
877                 
878                 jack_nframes_t rightmost_frame = leftmost_frame + current_page_frames ();
879
880                 if (rightmost_frame > last_canvas_frame) {
881                         last_canvas_frame = rightmost_frame;
882                         reset_scrolling_region ();
883                 }
884
885                 horizontal_adjustment.set_value (frame/frames_per_unit);
886         } else {
887                 update_fixed_rulers();
888                 tempo_map_changed (Change (0));
889         }
890 }
891
892 void
893 Editor::edit_cursor_clock_changed()
894 {
895         if (edit_cursor->current_frame != edit_cursor_clock.current_time()) {
896                 edit_cursor->set_position (edit_cursor_clock.current_time());
897         }
898 }
899
900
901 void
902 Editor::zoom_adjustment_changed ()
903 {
904         if (session == 0) {
905                 return;
906         }
907
908         double fpu = zoom_range_clock.current_duration() / canvas_width;
909
910         if (fpu < 1.0) {
911                 fpu = 1.0;
912                 zoom_range_clock.set ((jack_nframes_t) floor (fpu * canvas_width));
913         } else if (fpu > session->current_end_frame() / canvas_width) {
914                 fpu = session->current_end_frame() / canvas_width;
915                 zoom_range_clock.set ((jack_nframes_t) floor (fpu * canvas_width));
916         }
917         
918         temporal_zoom (fpu);
919 }
920
921 void
922 Editor::control_scroll (float fraction)
923 {
924         ENSURE_GUI_THREAD(bind (mem_fun (*this, &Editor::control_scroll), fraction));
925
926         if (!session) {
927                 return;
928         }
929
930         double step = fraction * current_page_frames();
931         jack_nframes_t target;
932
933         if ((fraction < 0.0f) && (session->transport_frame() < (jack_nframes_t) fabs(step))) {
934                 target = 0;
935         } else if ((fraction > 0.0f) && (max_frames - session->transport_frame() < step)) {
936                 target = (max_frames - (current_page_frames()*2)); // allow room for slop in where the PH is on the screen
937         } else {
938                 target = (session->transport_frame() + (jack_nframes_t) floor ((fraction * current_page_frames())));
939         }
940
941         /* move visuals, we'll catch up with it later */
942
943         playhead_cursor->set_position (target);
944
945         if (target > (current_page_frames() / 2)) {
946                 /* try to center PH in window */
947                 reposition_x_origin (target - (current_page_frames()/2));
948         } else {
949                 reposition_x_origin (0);
950         }
951
952         /* cancel the existing */
953
954         control_scroll_connection.disconnect ();
955
956         /* add the next one */
957
958         control_scroll_connection = Glib::signal_timeout().connect (bind (mem_fun (*this, &Editor::deferred_control_scroll), target), 50);
959 }
960
961 bool
962 Editor::deferred_control_scroll (jack_nframes_t target)
963 {
964         session->request_locate (target);
965         return false;
966 }
967
968 void 
969 Editor::canvas_horizontally_scrolled ()
970 {
971
972         leftmost_frame = (jack_nframes_t) floor (horizontal_adjustment.get_value() * frames_per_unit);
973         update_fixed_rulers ();
974         tempo_map_changed (Change (0));
975
976 }
977
978 void
979 Editor::reposition_and_zoom (jack_nframes_t frame, double nfpu)
980 {
981         if (!repos_zoom_queued) {
982                 repos_zoom_queued = true;
983                 Glib::signal_idle().connect (bind (mem_fun(*this, &Editor::deferred_reposition_and_zoom), frame, nfpu));
984         }
985 }
986
987 gint
988 Editor::deferred_reposition_and_zoom (jack_nframes_t frame, double nfpu)
989 {
990
991         set_frames_per_unit (nfpu);
992         reposition_x_origin  (frame);
993         repos_zoom_queued = false;
994         
995         return FALSE;
996 }
997
998 void
999 Editor::on_realize ()
1000 {
1001         Window::on_realize ();
1002         Realized ();
1003 }
1004
1005 void
1006 Editor::parameter_changed (const char* parameter_name)
1007 {
1008 #define PARAM_IS(x) (!strcmp (parameter_name, (x)))
1009
1010         ENSURE_GUI_THREAD (bind (mem_fun (*this, &Editor::parameter_changed), parameter_name));
1011
1012         if (PARAM_IS ("auto-loop")) {
1013                 update_loop_range_view (true);
1014         } else if (PARAM_IS ("punch-in")) {
1015                 update_punch_range_view (true);
1016         } else if (PARAM_IS ("punch-out")) {
1017                 update_punch_range_view (true);
1018         } else if (PARAM_IS ("layer-model")) {
1019                 update_layering_model ();
1020         } else if (PARAM_IS ("smpte-frames-per-second") || PARAM_IS ("smpte-drop-frames")) {
1021                 update_smpte_mode ();
1022                 update_just_smpte ();
1023         } else if (PARAM_IS ("video-pullup")) {
1024                 update_video_pullup ();
1025         } 
1026
1027 #undef PARAM_IS
1028 }
1029
1030 void
1031 Editor::start_scrolling ()
1032 {
1033         scroll_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect 
1034                 (mem_fun(*this, &Editor::update_current_screen));
1035 }
1036
1037 void
1038 Editor::stop_scrolling ()
1039 {
1040         scroll_connection.disconnect ();
1041 }
1042
1043 void
1044 Editor::map_position_change (jack_nframes_t frame)
1045 {
1046         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::map_position_change), frame));
1047
1048         if (session == 0 || !_follow_playhead) {
1049                 return;
1050         }
1051
1052         center_screen (frame);
1053         playhead_cursor->set_position (frame);
1054 }       
1055
1056 void
1057 Editor::center_screen (jack_nframes_t frame)
1058 {
1059         double page = canvas_width * frames_per_unit;
1060
1061         /* if we're off the page, then scroll.
1062          */
1063         
1064         if (frame < leftmost_frame || frame >= leftmost_frame + page) {
1065                 center_screen_internal (frame, page);
1066         }
1067 }
1068
1069 void
1070 Editor::center_screen_internal (jack_nframes_t frame, float page)
1071 {
1072         page /= 2;
1073                 
1074         if (frame > page) {
1075                 frame -= (jack_nframes_t) page;
1076         } else {
1077                 frame = 0;
1078         }
1079
1080     reposition_x_origin (frame);
1081 }
1082
1083 void
1084 Editor::handle_new_duration ()
1085 {
1086         ENSURE_GUI_THREAD (mem_fun (*this, &Editor::handle_new_duration));
1087
1088         jack_nframes_t new_end = session->get_maximum_extent() + (jack_nframes_t) floorf (current_page_frames() * 0.10f);
1089                                   
1090         if (new_end > last_canvas_frame) {
1091                 last_canvas_frame = new_end;
1092                 reset_scrolling_region ();
1093         }
1094
1095         horizontal_adjustment.set_value (leftmost_frame/frames_per_unit);
1096 }
1097
1098 void
1099 Editor::update_title_s (const string & snap_name)
1100 {
1101         ENSURE_GUI_THREAD(bind (mem_fun(*this, &Editor::update_title_s), snap_name));
1102         
1103         update_title ();
1104 }
1105
1106 void
1107 Editor::update_title ()
1108 {
1109         ENSURE_GUI_THREAD (mem_fun(*this, &Editor::update_title));
1110
1111         if (session) {
1112                 bool dirty = session->dirty();
1113
1114                 string wintitle = _("ardour: editor: ");
1115
1116                 if (dirty) {
1117                         wintitle += '[';
1118                 }
1119
1120                 wintitle += session->name();
1121
1122                 if (session->snap_name() != session->name()) {
1123                         wintitle += ':';
1124                         wintitle += session->snap_name();
1125                 }
1126
1127                 if (dirty) {
1128                         wintitle += ']';
1129                 }
1130
1131                 set_title (wintitle);
1132         }
1133 }
1134
1135 void
1136 Editor::connect_to_session (Session *t)
1137 {
1138         session = t;
1139
1140         if (first_action_message) {
1141                 first_action_message->hide();
1142         }
1143
1144         update_title ();
1145
1146         session->GoingAway.connect (mem_fun(*this, &Editor::session_going_away));
1147
1148         /* These signals can all be emitted by a non-GUI thread. Therefore the
1149            handlers for them must not attempt to directly interact with the GUI,
1150            but use Gtkmm2ext::UI::instance()->call_slot();
1151         */
1152
1153         session_connections.push_back (session->TransportStateChange.connect (mem_fun(*this, &Editor::map_transport_state)));
1154         session_connections.push_back (session->PositionChanged.connect (mem_fun(*this, &Editor::map_position_change)));
1155         session_connections.push_back (session->RouteAdded.connect (mem_fun(*this, &Editor::handle_new_route)));
1156         session_connections.push_back (session->AudioRegionAdded.connect (mem_fun(*this, &Editor::handle_new_audio_region)));
1157         session_connections.push_back (session->AudioRegionRemoved.connect (mem_fun(*this, &Editor::handle_audio_region_removed)));
1158         session_connections.push_back (session->DurationChanged.connect (mem_fun(*this, &Editor::handle_new_duration)));
1159         session_connections.push_back (session->edit_group_added.connect (mem_fun(*this, &Editor::add_edit_group)));
1160         session_connections.push_back (session->edit_group_removed.connect (mem_fun(*this, &Editor::edit_groups_changed)));
1161         session_connections.push_back (session->NamedSelectionAdded.connect (mem_fun(*this, &Editor::handle_new_named_selection)));
1162         session_connections.push_back (session->NamedSelectionRemoved.connect (mem_fun(*this, &Editor::handle_new_named_selection)));
1163         session_connections.push_back (session->DirtyChanged.connect (mem_fun(*this, &Editor::update_title)));
1164         session_connections.push_back (session->StateSaved.connect (mem_fun(*this, &Editor::update_title_s)));
1165         session_connections.push_back (session->AskAboutPlaylistDeletion.connect (mem_fun(*this, &Editor::playlist_deletion_dialog)));
1166         session_connections.push_back (session->RegionHiddenChange.connect (mem_fun(*this, &Editor::region_hidden)));
1167
1168         session_connections.push_back (session->SMPTEOffsetChanged.connect (mem_fun(*this, &Editor::update_just_smpte)));
1169
1170         session_connections.push_back (session->tempo_map().StateChanged.connect (mem_fun(*this, &Editor::tempo_map_changed)));
1171
1172         edit_groups_changed ();
1173
1174         edit_cursor_clock.set_session (session);
1175         zoom_range_clock.set_session (session);
1176         _playlist_selector->set_session (session);
1177         nudge_clock.set_session (session);
1178
1179 #ifdef FFT_ANALYSIS
1180         if (analysis_window != 0)
1181                 analysis_window->set_session (session);
1182 #endif
1183
1184         switch (Config->get_edit_mode()) {
1185         case Splice:
1186                 edit_mode_selector.set_active_text (edit_mode_strings[splice_index]);
1187                 break;
1188
1189         case Slide:
1190                 edit_mode_selector.set_active_text (edit_mode_strings[slide_index]);
1191                 break;
1192         }
1193
1194         Location* loc = session->locations()->auto_loop_location();
1195         if (loc == 0) {
1196                 loc = new Location (0, session->current_end_frame(), _("Loop"),(Location::Flags) (Location::IsAutoLoop | Location::IsHidden));
1197                 if (loc->start() == loc->end()) {
1198                         loc->set_end (loc->start() + 1);
1199                 }
1200                 session->locations()->add (loc, false);
1201                 session->set_auto_loop_location (loc);
1202         }
1203         else {
1204                 // force name
1205                 loc->set_name (_("Loop"));
1206         }
1207         
1208         loc = session->locations()->auto_punch_location();
1209         if (loc == 0) {
1210                 loc = new Location (0, session->current_end_frame(), _("Punch"), (Location::Flags) (Location::IsAutoPunch | Location::IsHidden));
1211                 if (loc->start() == loc->end()) {
1212                         loc->set_end (loc->start() + 1);
1213                 }
1214                 session->locations()->add (loc, false);
1215                 session->set_auto_punch_location (loc);
1216         }
1217         else {
1218                 // force name
1219                 loc->set_name (_("Punch"));
1220         }
1221
1222         update_loop_range_view (true);
1223         update_punch_range_view (true);
1224         
1225         session->StateSaved.connect (mem_fun(*this, &Editor::session_state_saved));
1226         
1227         refresh_location_display ();
1228         session->locations()->added.connect (mem_fun(*this, &Editor::add_new_location));
1229         session->locations()->removed.connect (mem_fun(*this, &Editor::location_gone));
1230         session->locations()->changed.connect (mem_fun(*this, &Editor::refresh_location_display));
1231         session->locations()->StateChanged.connect (mem_fun(*this, &Editor::refresh_location_display_s));
1232         session->locations()->end_location()->changed.connect (mem_fun(*this, &Editor::end_location_changed));
1233
1234         bool yn;
1235         RefPtr<Action> act;
1236
1237         act = ActionManager::get_action (X_("Editor"), X_("toggle-xfades-active"));
1238         if (act) {
1239                 RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
1240                 /* do it twice to force the change */
1241                 yn = Config->get_crossfades_active();
1242                 tact->set_active (!yn);
1243                 tact->set_active (yn);
1244         }
1245
1246         act = ActionManager::get_action (X_("Editor"), X_("toggle-auto-xfades"));
1247         if (act) {
1248                 RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
1249                 /* do it twice to force the change */
1250                 yn = Config->get_auto_xfade ();
1251                 tact->set_active (!yn);
1252                 tact->set_active (yn);
1253         }
1254
1255         /* xfade visibility state set from editor::set_state() */
1256
1257         update_crossfade_model();
1258         update_layering_model();
1259
1260         update_smpte_mode();
1261         update_video_pullup();
1262
1263         handle_new_duration ();
1264
1265         redisplay_regions ();
1266         redisplay_named_selections ();
1267         redisplay_snapshots ();
1268
1269         initial_route_list_display ();
1270
1271         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
1272                 (static_cast<TimeAxisView*>(*i))->set_samples_per_unit (frames_per_unit);
1273         }
1274
1275         /* ::reposition_x_origin() doesn't work right here, since the old
1276            position may be zero already, and it does nothing in such
1277            circumstances.
1278         */
1279
1280         leftmost_frame = 0;
1281         
1282         horizontal_adjustment.set_value (0);
1283
1284         restore_ruler_visibility ();
1285         //tempo_map_changed (Change (0));
1286         session->tempo_map().apply_with_metrics (*this, &Editor::draw_metric_marks);
1287
1288         edit_cursor->set_position (0);
1289         playhead_cursor->set_position (0);
1290
1291         start_scrolling ();
1292
1293         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
1294         set_state (*node);
1295
1296         /* don't show master bus in a new session */
1297
1298         if (ARDOUR_UI::instance()->session_is_new ()) {
1299
1300                 TreeModel::Children rows = route_display_model->children();
1301                 TreeModel::Children::iterator i;
1302         
1303                 no_route_list_redisplay = true;
1304                 
1305                 for (i = rows.begin(); i != rows.end(); ++i) {
1306                         TimeAxisView *tv =  (*i)[route_display_columns.tv];
1307                         AudioTimeAxisView *atv;
1308                         
1309                         if ((atv = dynamic_cast<AudioTimeAxisView*>(tv)) != 0) {
1310                                 if (atv->route()->master()) {
1311                                         route_list_display.get_selection()->unselect (i);
1312                                 }
1313                         }
1314                 }
1315                 
1316                 no_route_list_redisplay = false;
1317                 redisplay_route_list ();
1318         }
1319
1320         /* register for undo history */
1321
1322         session->register_with_memento_command_factory(_id, this);
1323 }
1324
1325 void
1326 Editor::build_cursors ()
1327 {
1328         using namespace Gdk;
1329         
1330         Gdk::Color mbg ("#000000" ); /* Black */
1331         Gdk::Color mfg ("#0000ff" ); /* Blue. */
1332
1333         {
1334                 RefPtr<Bitmap> source, mask;
1335                 source = Bitmap::create (mag_bits, mag_width, mag_height);
1336                 mask = Bitmap::create (magmask_bits, mag_width, mag_height);
1337                 zoom_cursor = new Gdk::Cursor (source, mask, mfg, mbg, mag_x_hot, mag_y_hot);
1338         }
1339
1340         Gdk::Color fbg ("#ffffff" );
1341         Gdk::Color ffg  ("#000000" );
1342         
1343         {
1344                 RefPtr<Bitmap> source, mask;
1345                 
1346                 source = Bitmap::create (fader_cursor_bits, fader_cursor_width, fader_cursor_height);
1347                 mask = Bitmap::create (fader_cursor_mask_bits, fader_cursor_width, fader_cursor_height);
1348                 fader_cursor = new Gdk::Cursor (source, mask, ffg, fbg, fader_cursor_x_hot, fader_cursor_y_hot);
1349         }
1350         
1351         { 
1352                 RefPtr<Bitmap> source, mask;
1353                 source = Bitmap::create (speaker_cursor_bits, speaker_cursor_width, speaker_cursor_height);
1354                 mask = Bitmap::create (speaker_cursor_mask_bits, speaker_cursor_width, speaker_cursor_height);
1355                 speaker_cursor = new Gdk::Cursor (source, mask, ffg, fbg, speaker_cursor_x_hot, speaker_cursor_y_hot);
1356         }
1357
1358         grabber_cursor = new Gdk::Cursor (HAND2);
1359         cross_hair_cursor = new Gdk::Cursor (CROSSHAIR);
1360         trimmer_cursor =  new Gdk::Cursor (SB_H_DOUBLE_ARROW);
1361         selector_cursor = new Gdk::Cursor (XTERM);
1362         time_fx_cursor = new Gdk::Cursor (SIZING);
1363         wait_cursor = new Gdk::Cursor  (WATCH);
1364         timebar_cursor = new Gdk::Cursor(LEFT_PTR);
1365 }
1366
1367 void
1368 Editor::popup_fade_context_menu (int button, int32_t time, ArdourCanvas::Item* item, ItemType item_type)
1369 {
1370         using namespace Menu_Helpers;
1371         AudioRegionView* arv = static_cast<AudioRegionView*> (item->get_data ("regionview"));
1372
1373         if (arv == 0) {
1374                 fatal << _("programming error: fade in canvas item has no regionview data pointer!") << endmsg;
1375                 /*NOTREACHED*/
1376         }
1377
1378         MenuList& items (fade_context_menu.items());
1379         AudioRegion& ar (*arv->audio_region().get()); // FIXME
1380
1381         items.clear ();
1382
1383         switch (item_type) {
1384         case FadeInItem:
1385         case FadeInHandleItem:
1386                 if (arv->audio_region()->fade_in_active()) {
1387                         items.push_back (MenuElem (_("Deactivate"), bind (mem_fun (*arv, &AudioRegionView::set_fade_in_active), false)));
1388                 } else {
1389                         items.push_back (MenuElem (_("Activate"), bind (mem_fun (*arv, &AudioRegionView::set_fade_in_active), true)));
1390                 }
1391                 
1392                 items.push_back (SeparatorElem());
1393                 
1394                 items.push_back (MenuElem (_("Linear"), bind (mem_fun (ar, &AudioRegion::set_fade_in_shape), AudioRegion::Linear)));
1395                 items.push_back (MenuElem (_("Slowest"), bind (mem_fun (ar, &AudioRegion::set_fade_in_shape), AudioRegion::LogB)));
1396                 items.push_back (MenuElem (_("Slow"), bind (mem_fun (ar, &AudioRegion::set_fade_in_shape), AudioRegion::Fast)));
1397                 items.push_back (MenuElem (_("Fast"), bind (mem_fun (ar, &AudioRegion::set_fade_in_shape), AudioRegion::LogA)));
1398                 items.push_back (MenuElem (_("Fastest"), bind (mem_fun (ar, &AudioRegion::set_fade_in_shape), AudioRegion::Slow)));
1399                 break;
1400
1401         case FadeOutItem:
1402         case FadeOutHandleItem:
1403                 if (arv->audio_region()->fade_out_active()) {
1404                         items.push_back (MenuElem (_("Deactivate"), bind (mem_fun (*arv, &AudioRegionView::set_fade_out_active), false)));
1405                 } else {
1406                         items.push_back (MenuElem (_("Activate"), bind (mem_fun (*arv, &AudioRegionView::set_fade_out_active), true)));
1407                 }
1408                 
1409                 items.push_back (SeparatorElem());
1410                 
1411                 items.push_back (MenuElem (_("Linear"), bind (mem_fun (ar, &AudioRegion::set_fade_out_shape), AudioRegion::Linear)));
1412                 items.push_back (MenuElem (_("Slowest"), bind (mem_fun (ar, &AudioRegion::set_fade_out_shape), AudioRegion::Fast)));
1413                 items.push_back (MenuElem (_("Slow"), bind (mem_fun (ar, &AudioRegion::set_fade_out_shape), AudioRegion::LogB)));
1414                 items.push_back (MenuElem (_("Fast"), bind (mem_fun (ar, &AudioRegion::set_fade_out_shape), AudioRegion::LogA)));
1415                 items.push_back (MenuElem (_("Fastest"), bind (mem_fun (ar, &AudioRegion::set_fade_out_shape), AudioRegion::Slow)));
1416
1417                 break;
1418         default:
1419                 fatal << _("programming error: ")
1420                       << X_("non-fade canvas item passed to popup_fade_context_menu()")
1421                       << endmsg;
1422                 /*NOTREACHED*/
1423         }
1424
1425         fade_context_menu.popup (button, time);
1426 }
1427
1428 void
1429 Editor::popup_track_context_menu (int button, int32_t time, ItemType item_type, bool with_selection, jack_nframes_t frame)
1430 {
1431         using namespace Menu_Helpers;
1432         Menu* (Editor::*build_menu_function)(jack_nframes_t);
1433         Menu *menu;
1434
1435         switch (item_type) {
1436         case RegionItem:
1437         case RegionViewName:
1438         case RegionViewNameHighlight:
1439                 if (with_selection) {
1440                         build_menu_function = &Editor::build_track_selection_context_menu;
1441                 } else {
1442                         build_menu_function = &Editor::build_track_region_context_menu;
1443                 }
1444                 break;
1445
1446         case SelectionItem:
1447                 if (with_selection) {
1448                         build_menu_function = &Editor::build_track_selection_context_menu;
1449                 } else {
1450                         build_menu_function = &Editor::build_track_context_menu;
1451                 }
1452                 break;
1453
1454         case CrossfadeViewItem:
1455                 build_menu_function = &Editor::build_track_crossfade_context_menu;
1456                 break;
1457
1458         case StreamItem:
1459                 if (clicked_audio_trackview->get_diskstream()) {
1460                         build_menu_function = &Editor::build_track_context_menu;
1461                 } else {
1462                         build_menu_function = &Editor::build_track_bus_context_menu;
1463                 }
1464                 break;
1465
1466         default:
1467                 /* probably shouldn't happen but if it does, we don't care */
1468                 return;
1469         }
1470
1471         menu = (this->*build_menu_function)(frame);
1472         menu->set_name ("ArdourContextMenu");
1473         
1474         /* now handle specific situations */
1475
1476         switch (item_type) {
1477         case RegionItem:
1478         case RegionViewName:
1479         case RegionViewNameHighlight:
1480                 if (!with_selection) {
1481                         if (region_edit_menu_split_item) {
1482                                 if (clicked_regionview && clicked_regionview->region()->covers (edit_cursor->current_frame)) {
1483                                         ActionManager::set_sensitive (ActionManager::edit_cursor_in_region_sensitive_actions, true);
1484                                 } else {
1485                                         ActionManager::set_sensitive (ActionManager::edit_cursor_in_region_sensitive_actions, false);
1486                                 }
1487                         }
1488                         /*
1489                         if (region_edit_menu_split_multichannel_item) {
1490                                 if (clicked_regionview && clicked_regionview->region().n_channels() > 1) {
1491                                         // GTK2FIX find the action, change its sensitivity
1492                                         // region_edit_menu_split_multichannel_item->set_sensitive (true);
1493                                 } else {
1494                                         // GTK2FIX see above
1495                                         // region_edit_menu_split_multichannel_item->set_sensitive (false);
1496                                 }
1497                         }*/
1498                 }
1499                 break;
1500
1501         case SelectionItem:
1502                 break;
1503
1504         case CrossfadeViewItem:
1505                 break;
1506
1507         case StreamItem:
1508                 break;
1509
1510         default:
1511                 /* probably shouldn't happen but if it does, we don't care */
1512                 return;
1513         }
1514
1515         if (clicked_audio_trackview && clicked_audio_trackview->audio_track()) {
1516
1517                 /* Bounce to disk */
1518                 
1519                 using namespace Menu_Helpers;
1520                 MenuList& edit_items  = menu->items();
1521                 
1522                 edit_items.push_back (SeparatorElem());
1523
1524                 switch (clicked_audio_trackview->audio_track()->freeze_state()) {
1525                 case AudioTrack::NoFreeze:
1526                         edit_items.push_back (MenuElem (_("Freeze"), mem_fun(*this, &Editor::freeze_route)));
1527                         break;
1528
1529                 case AudioTrack::Frozen:
1530                         edit_items.push_back (MenuElem (_("Unfreeze"), mem_fun(*this, &Editor::unfreeze_route)));
1531                         break;
1532                         
1533                 case AudioTrack::UnFrozen:
1534                         edit_items.push_back (MenuElem (_("Freeze"), mem_fun(*this, &Editor::freeze_route)));
1535                         break;
1536                 }
1537
1538         }
1539
1540         menu->popup (button, time);
1541 }
1542
1543 Menu*
1544 Editor::build_track_context_menu (jack_nframes_t ignored)
1545 {
1546         using namespace Menu_Helpers;
1547
1548         MenuList& edit_items = track_context_menu.items();
1549         edit_items.clear();
1550
1551         add_dstream_context_items (edit_items);
1552         return &track_context_menu;
1553 }
1554
1555 Menu*
1556 Editor::build_track_bus_context_menu (jack_nframes_t ignored)
1557 {
1558         using namespace Menu_Helpers;
1559
1560         MenuList& edit_items = track_context_menu.items();
1561         edit_items.clear();
1562
1563         add_bus_context_items (edit_items);
1564         return &track_context_menu;
1565 }
1566
1567 Menu*
1568 Editor::build_track_region_context_menu (jack_nframes_t frame)
1569 {
1570         using namespace Menu_Helpers;
1571         MenuList& edit_items  = track_region_context_menu.items();
1572         edit_items.clear();
1573
1574         AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*> (clicked_trackview);
1575
1576         if (atv) {
1577                 boost::shared_ptr<Diskstream> ds;
1578                 Playlist* pl;
1579                 
1580                 if ((ds = atv->get_diskstream()) && ((pl = ds->playlist()))) {
1581                         Playlist::RegionList* regions = pl->regions_at ((jack_nframes_t) floor ( (double)frame * ds->speed()));
1582                         for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
1583                                 add_region_context_items (atv->audio_view(), (*i), edit_items);
1584                         }
1585                         delete regions;
1586                 }
1587         }
1588
1589         add_dstream_context_items (edit_items);
1590
1591         return &track_region_context_menu;
1592 }
1593
1594 Menu*
1595 Editor::build_track_crossfade_context_menu (jack_nframes_t frame)
1596 {
1597         using namespace Menu_Helpers;
1598         MenuList& edit_items  = track_crossfade_context_menu.items();
1599         edit_items.clear ();
1600
1601         AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*> (clicked_trackview);
1602
1603         if (atv) {
1604                 boost::shared_ptr<Diskstream> ds;
1605                 Playlist* pl;
1606                 AudioPlaylist* apl;
1607
1608                 if ((ds = atv->get_diskstream()) && ((pl = ds->playlist()) != 0) && ((apl = dynamic_cast<AudioPlaylist*> (pl)) != 0)) {
1609
1610                         Playlist::RegionList* regions = pl->regions_at (frame);
1611                         AudioPlaylist::Crossfades xfades;
1612
1613                         apl->crossfades_at (frame, xfades);
1614
1615                         bool many = xfades.size() > 1;
1616
1617                         for (AudioPlaylist::Crossfades::iterator i = xfades.begin(); i != xfades.end(); ++i) {
1618                                 add_crossfade_context_items (atv->audio_view(), (*i), edit_items, many);
1619                         }
1620
1621                         for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
1622                                 add_region_context_items (atv->audio_view(), (*i), edit_items);
1623                         }
1624
1625                         delete regions;
1626                 }
1627         }
1628
1629         add_dstream_context_items (edit_items);
1630
1631         return &track_crossfade_context_menu;
1632 }
1633
1634 #ifdef FFT_ANALYSIS
1635 void
1636 Editor::analyze_region_selection()
1637 {
1638         if (analysis_window == 0) {
1639                 analysis_window = new AnalysisWindow();
1640
1641                 if (session != 0)
1642                         analysis_window->set_session(session);
1643
1644                 analysis_window->show_all();
1645         }
1646
1647         analysis_window->set_regionmode();
1648         analysis_window->analyze();
1649         
1650         analysis_window->present();
1651 }
1652
1653 void
1654 Editor::analyze_range_selection()
1655 {
1656         if (analysis_window == 0) {
1657                 analysis_window = new AnalysisWindow();
1658
1659                 if (session != 0)
1660                         analysis_window->set_session(session);
1661
1662                 analysis_window->show_all();
1663         }
1664
1665         analysis_window->set_rangemode();
1666         analysis_window->analyze();
1667         
1668         analysis_window->present();
1669 }
1670 #endif /* FFT_ANALYSIS */
1671
1672
1673
1674 Menu*
1675 Editor::build_track_selection_context_menu (jack_nframes_t ignored)
1676 {
1677         using namespace Menu_Helpers;
1678         MenuList& edit_items  = track_selection_context_menu.items();
1679         edit_items.clear ();
1680
1681         add_selection_context_items (edit_items);
1682         add_dstream_context_items (edit_items);
1683
1684         return &track_selection_context_menu;
1685 }
1686
1687 void
1688 Editor::add_crossfade_context_items (AudioStreamView* view, Crossfade* xfade, Menu_Helpers::MenuList& edit_items, bool many)
1689 {
1690         using namespace Menu_Helpers;
1691         Menu     *xfade_menu = manage (new Menu);
1692         MenuList& items       = xfade_menu->items();
1693         xfade_menu->set_name ("ArdourContextMenu");
1694         string str;
1695
1696         if (xfade->active()) {
1697                 str = _("Mute");
1698         } else { 
1699                 str = _("Unmute");
1700         }
1701
1702         items.push_back (MenuElem (str, bind (mem_fun(*this, &Editor::toggle_xfade_active), xfade)));
1703         items.push_back (MenuElem (_("Edit"), bind (mem_fun(*this, &Editor::edit_xfade), xfade)));
1704
1705         if (xfade->can_follow_overlap()) {
1706
1707                 if (xfade->following_overlap()) {
1708                         str = _("Convert to short");
1709                 } else {
1710                         str = _("Convert to full");
1711                 }
1712
1713                 items.push_back (MenuElem (str, bind (mem_fun(*this, &Editor::toggle_xfade_length), xfade)));
1714         }
1715
1716         if (many) {
1717                 str = xfade->out()->name();
1718                 str += "->";
1719                 str += xfade->in()->name();
1720         } else {
1721                 str = _("Crossfade");
1722         }
1723
1724         edit_items.push_back (MenuElem (str, *xfade_menu));
1725         edit_items.push_back (SeparatorElem());
1726 }
1727
1728 void
1729 Editor::xfade_edit_left_region ()
1730 {
1731         if (clicked_crossfadeview) {
1732                 clicked_crossfadeview->left_view.show_region_editor ();
1733         }
1734 }
1735
1736 void
1737 Editor::xfade_edit_right_region ()
1738 {
1739         if (clicked_crossfadeview) {
1740                 clicked_crossfadeview->right_view.show_region_editor ();
1741         }
1742 }
1743
1744 void
1745 Editor::add_region_context_items (AudioStreamView* sv, boost::shared_ptr<Region> region, Menu_Helpers::MenuList& edit_items)
1746 {
1747         using namespace Menu_Helpers;
1748         Menu     *region_menu = manage (new Menu);
1749         MenuList& items       = region_menu->items();
1750         region_menu->set_name ("ArdourContextMenu");
1751         
1752         boost::shared_ptr<AudioRegion> ar;
1753
1754         if (region) {
1755                 ar = boost::dynamic_pointer_cast<AudioRegion> (region);
1756         }
1757
1758         /* when this particular menu pops up, make the relevant region 
1759            become selected.
1760         */
1761
1762         region_menu->signal_map_event().connect (bind (mem_fun(*this, &Editor::set_selected_regionview_from_map_event), sv, region));
1763
1764         items.push_back (MenuElem (_("Popup region editor"), mem_fun(*this, &Editor::edit_region)));
1765         items.push_back (MenuElem (_("Raise to top layer"), mem_fun(*this, &Editor::raise_region_to_top)));
1766         items.push_back (MenuElem (_("Lower to bottom layer"), mem_fun  (*this, &Editor::lower_region_to_bottom)));
1767         items.push_back (SeparatorElem());
1768         items.push_back (MenuElem (_("Define sync point"), mem_fun(*this, &Editor::set_region_sync_from_edit_cursor)));
1769         items.push_back (MenuElem (_("Remove sync point"), mem_fun(*this, &Editor::remove_region_sync)));
1770         items.push_back (SeparatorElem());
1771
1772         items.push_back (MenuElem (_("Audition"), mem_fun(*this, &Editor::audition_selected_region)));
1773         items.push_back (MenuElem (_("Export"), mem_fun(*this, &Editor::export_region)));
1774         items.push_back (MenuElem (_("Bounce"), mem_fun(*this, &Editor::bounce_region_selection)));
1775
1776 #ifdef FFT_ANALYSIS
1777         items.push_back (MenuElem (_("Analyze region"), mem_fun(*this, &Editor::analyze_region_selection)));
1778 #endif
1779
1780         items.push_back (SeparatorElem());
1781
1782         /* XXX hopefully this nonsense will go away with SigC++ 2.X, where the compiler
1783            might be able to figure out which overloaded member function to use in
1784            a bind() call ...
1785         */
1786
1787         void (Editor::*type_A_pmf)(void (Region::*pmf)(bool), bool) = &Editor::region_selection_op;
1788
1789         items.push_back (MenuElem (_("Lock"), bind (mem_fun(*this, type_A_pmf), &Region::set_locked, true)));
1790         items.push_back (MenuElem (_("Unlock"), bind (mem_fun(*this, type_A_pmf), &Region::set_locked, false)));
1791         items.push_back (SeparatorElem());
1792
1793         if (region->muted()) {
1794                 items.push_back (MenuElem (_("Unmute"), bind (mem_fun(*this, type_A_pmf), &Region::set_muted, false)));
1795         } else {
1796                 items.push_back (MenuElem (_("Mute"), bind (mem_fun(*this, type_A_pmf), &Region::set_muted, true)));
1797         }
1798         items.push_back (SeparatorElem());
1799
1800         items.push_back (MenuElem (_("Original position"), mem_fun(*this, &Editor::naturalize)));
1801         items.push_back (SeparatorElem());
1802
1803
1804         if (ar) {
1805
1806                 items.push_back (MenuElem (_("Toggle envelope visibility"), mem_fun(*this, &Editor::toggle_gain_envelope_visibility)));
1807                 items.push_back (MenuElem (_("Toggle envelope active"), mem_fun(*this, &Editor::toggle_gain_envelope_active)));
1808                 items.push_back (SeparatorElem());
1809
1810                 if (ar->scale_amplitude() != 1.0f) {
1811                         items.push_back (MenuElem (_("DeNormalize"), mem_fun(*this, &Editor::denormalize_region)));
1812                 } else {
1813                         items.push_back (MenuElem (_("Normalize"), mem_fun(*this, &Editor::normalize_region)));
1814                 }
1815         }
1816         items.push_back (MenuElem (_("Reverse"), mem_fun(*this, &Editor::reverse_region)));
1817         items.push_back (SeparatorElem());
1818
1819
1820         /* range related stuff */
1821
1822         items.push_back (MenuElem (_("Add Range Markers"), mem_fun (*this, &Editor::add_location_from_audio_region)));
1823         items.push_back (MenuElem (_("Set Range"), mem_fun (*this, &Editor::set_selection_from_audio_region)));
1824         items.push_back (SeparatorElem());
1825                          
1826         /* Nudge region */
1827
1828         Menu *nudge_menu = manage (new Menu());
1829         MenuList& nudge_items = nudge_menu->items();
1830         nudge_menu->set_name ("ArdourContextMenu");
1831         
1832         nudge_items.push_back (MenuElem (_("Nudge fwd"), (bind (mem_fun(*this, &Editor::nudge_forward), false))));
1833         nudge_items.push_back (MenuElem (_("Nudge bwd"), (bind (mem_fun(*this, &Editor::nudge_backward), false))));
1834         nudge_items.push_back (MenuElem (_("Nudge fwd by capture offset"), (mem_fun(*this, &Editor::nudge_forward_capture_offset))));
1835         nudge_items.push_back (MenuElem (_("Nudge bwd by capture offset"), (mem_fun(*this, &Editor::nudge_backward_capture_offset))));
1836
1837         items.push_back (MenuElem (_("Nudge"), *nudge_menu));
1838         items.push_back (SeparatorElem());
1839
1840         Menu *trim_menu = manage (new Menu);
1841         MenuList& trim_items = trim_menu->items();
1842         trim_menu->set_name ("ArdourContextMenu");
1843         
1844         trim_items.push_back (MenuElem (_("Start to edit cursor"), mem_fun(*this, &Editor::trim_region_from_edit_cursor)));
1845         trim_items.push_back (MenuElem (_("Edit cursor to end"), mem_fun(*this, &Editor::trim_region_to_edit_cursor)));
1846                              
1847         items.push_back (MenuElem (_("Trim"), *trim_menu));
1848         items.push_back (SeparatorElem());
1849
1850         items.push_back (MenuElem (_("Split"), (mem_fun(*this, &Editor::split_region))));
1851         region_edit_menu_split_item = &items.back();
1852
1853         items.push_back (MenuElem (_("Make mono regions"), (mem_fun(*this, &Editor::split_multichannel_region))));
1854         region_edit_menu_split_multichannel_item = &items.back();
1855
1856         items.push_back (MenuElem (_("Duplicate"), (bind (mem_fun(*this, &Editor::duplicate_dialog), true))));
1857         items.push_back (MenuElem (_("Fill Track"), (mem_fun(*this, &Editor::region_fill_track))));
1858         items.push_back (SeparatorElem());
1859         items.push_back (MenuElem (_("Remove"), mem_fun(*this, &Editor::remove_clicked_region)));
1860         items.push_back (SeparatorElem());
1861         items.push_back (MenuElem (_("Destroy"), mem_fun(*this, &Editor::destroy_clicked_region)));
1862
1863         /* OK, stick the region submenu at the top of the list, and then add
1864            the standard items.
1865         */
1866
1867         /* we have to hack up the region name because "_" has a special
1868            meaning for menu titles.
1869         */
1870
1871         string::size_type pos = 0;
1872         string menu_item_name = region->name();
1873
1874         while ((pos = menu_item_name.find ("_", pos)) != string::npos) {
1875                 menu_item_name.replace (pos, 1, "__");
1876                 pos += 2;
1877         }
1878         
1879         edit_items.push_back (MenuElem (menu_item_name, *region_menu));
1880         edit_items.push_back (SeparatorElem());
1881 }
1882
1883 void
1884 Editor::add_selection_context_items (Menu_Helpers::MenuList& edit_items)
1885 {
1886         using namespace Menu_Helpers;
1887         Menu     *selection_menu = manage (new Menu);
1888         MenuList& items       = selection_menu->items();
1889         selection_menu->set_name ("ArdourContextMenu");
1890
1891         items.push_back (MenuElem (_("Play range"), mem_fun(*this, &Editor::play_selection)));
1892         items.push_back (MenuElem (_("Loop range"), mem_fun(*this, &Editor::set_route_loop_selection)));
1893
1894 #ifdef FFT_ANALYSIS
1895         items.push_back (SeparatorElem());
1896         items.push_back (MenuElem (_("Analyze range"), mem_fun(*this, &Editor::analyze_range_selection)));
1897 #endif
1898         
1899         items.push_back (SeparatorElem());
1900         items.push_back (MenuElem (_("Separate range to track"), mem_fun(*this, &Editor::separate_region_from_selection)));
1901         items.push_back (MenuElem (_("Separate range to region list"), mem_fun(*this, &Editor::new_region_from_selection)));
1902         
1903         items.push_back (SeparatorElem());
1904         items.push_back (MenuElem (_("Select all in range"), mem_fun(*this, &Editor::select_all_selectables_using_time_selection)));
1905         items.push_back (SeparatorElem());
1906         items.push_back (MenuElem (_("Set range to loop range"), mem_fun(*this, &Editor::set_selection_from_loop)));
1907         items.push_back (MenuElem (_("Set range to punch range"), mem_fun(*this, &Editor::set_selection_from_punch)));
1908         items.push_back (SeparatorElem());
1909         items.push_back (MenuElem (_("Crop region to range"), mem_fun(*this, &Editor::crop_region_to_selection)));
1910         items.push_back (MenuElem (_("Fill range with region"), mem_fun(*this, &Editor::region_fill_selection)));
1911         items.push_back (MenuElem (_("Duplicate range"), bind (mem_fun(*this, &Editor::duplicate_dialog), false)));
1912         items.push_back (MenuElem (_("Create chunk from range"), mem_fun(*this, &Editor::name_selection)));
1913         items.push_back (SeparatorElem());
1914         items.push_back (MenuElem (_("Bounce range"), mem_fun(*this, &Editor::bounce_range_selection)));
1915         items.push_back (MenuElem (_("Export range"), mem_fun(*this, &Editor::export_selection)));
1916
1917         edit_items.push_back (MenuElem (_("Range"), *selection_menu));
1918         edit_items.push_back (SeparatorElem());
1919 }
1920
1921 void
1922 Editor::add_dstream_context_items (Menu_Helpers::MenuList& edit_items)
1923 {
1924         using namespace Menu_Helpers;
1925
1926         /* Playback */
1927
1928         Menu *play_menu = manage (new Menu);
1929         MenuList& play_items = play_menu->items();
1930         play_menu->set_name ("ArdourContextMenu");
1931         
1932         play_items.push_back (MenuElem (_("Play from edit cursor")));
1933         play_items.push_back (MenuElem (_("Play from start"), mem_fun(*this, &Editor::play_from_start)));
1934         play_items.push_back (MenuElem (_("Play region"), mem_fun(*this, &Editor::play_selected_region)));
1935         play_items.push_back (SeparatorElem());
1936         play_items.push_back (MenuElem (_("Loop Region"), mem_fun(*this, &Editor::loop_selected_region)));
1937         
1938         edit_items.push_back (MenuElem (_("Play"), *play_menu));
1939
1940         /* Selection */
1941
1942         Menu *select_menu = manage (new Menu);
1943         MenuList& select_items = select_menu->items();
1944         select_menu->set_name ("ArdourContextMenu");
1945         
1946         select_items.push_back (MenuElem (_("Select All in track"), bind (mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
1947         select_items.push_back (MenuElem (_("Select All"), bind (mem_fun(*this, &Editor::select_all), Selection::Set)));
1948         select_items.push_back (MenuElem (_("Invert selection in track"), mem_fun(*this, &Editor::invert_selection_in_track)));
1949         select_items.push_back (MenuElem (_("Invert selection"), mem_fun(*this, &Editor::invert_selection)));
1950         select_items.push_back (SeparatorElem());
1951         select_items.push_back (MenuElem (_("Set range to loop range"), mem_fun(*this, &Editor::set_selection_from_loop)));
1952         select_items.push_back (MenuElem (_("Set range to punch range"), mem_fun(*this, &Editor::set_selection_from_punch)));
1953         select_items.push_back (SeparatorElem());
1954         select_items.push_back (MenuElem (_("Select all after edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, true)));
1955         select_items.push_back (MenuElem (_("Select all before edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, false)));
1956         select_items.push_back (MenuElem (_("Select all after playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
1957         select_items.push_back (MenuElem (_("Select all before playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
1958         select_items.push_back (MenuElem (_("Select all between cursors"), bind (mem_fun(*this, &Editor::select_all_selectables_between_cursors), playhead_cursor, edit_cursor)));
1959         select_items.push_back (SeparatorElem());
1960
1961         edit_items.push_back (MenuElem (_("Select"), *select_menu));
1962
1963         /* Cut-n-Paste */
1964
1965         Menu *cutnpaste_menu = manage (new Menu);
1966         MenuList& cutnpaste_items = cutnpaste_menu->items();
1967         cutnpaste_menu->set_name ("ArdourContextMenu");
1968         
1969         cutnpaste_items.push_back (MenuElem (_("Cut"), mem_fun(*this, &Editor::cut)));
1970         cutnpaste_items.push_back (MenuElem (_("Copy"), mem_fun(*this, &Editor::copy)));
1971         cutnpaste_items.push_back (MenuElem (_("Paste at edit cursor"), bind (mem_fun(*this, &Editor::paste), 1.0f)));
1972         cutnpaste_items.push_back (MenuElem (_("Paste at mouse"), mem_fun(*this, &Editor::mouse_paste)));
1973
1974         cutnpaste_items.push_back (SeparatorElem());
1975
1976         cutnpaste_items.push_back (MenuElem (_("Align"), bind (mem_fun(*this, &Editor::align), ARDOUR::SyncPoint)));
1977         cutnpaste_items.push_back (MenuElem (_("Align Relative"), bind (mem_fun(*this, &Editor::align_relative), ARDOUR::SyncPoint)));
1978
1979         cutnpaste_items.push_back (SeparatorElem());
1980
1981         cutnpaste_items.push_back (MenuElem (_("Insert chunk"), bind (mem_fun(*this, &Editor::paste_named_selection), 1.0f)));
1982
1983         edit_items.push_back (MenuElem (_("Edit"), *cutnpaste_menu));
1984
1985         /* Adding new material */
1986         
1987         edit_items.push_back (SeparatorElem());
1988         edit_items.push_back (MenuElem (_("Insert Selected Region"), bind (mem_fun(*this, &Editor::insert_region_list_selection), 1.0f)));
1989         edit_items.push_back (MenuElem (_("Insert Existing Audio"), bind (mem_fun(*this, &Editor::add_external_audio_action), ImportToTrack)));
1990
1991         /* Nudge track */
1992
1993         Menu *nudge_menu = manage (new Menu());
1994         MenuList& nudge_items = nudge_menu->items();
1995         nudge_menu->set_name ("ArdourContextMenu");
1996         
1997         edit_items.push_back (SeparatorElem());
1998         nudge_items.push_back (MenuElem (_("Nudge entire track fwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, true))));
1999         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor fwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, true))));
2000         nudge_items.push_back (MenuElem (_("Nudge entire track bwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, false))));
2001         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor bwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, false))));
2002
2003         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
2004 }
2005
2006 void
2007 Editor::add_bus_context_items (Menu_Helpers::MenuList& edit_items)
2008 {
2009         using namespace Menu_Helpers;
2010
2011         /* Playback */
2012
2013         Menu *play_menu = manage (new Menu);
2014         MenuList& play_items = play_menu->items();
2015         play_menu->set_name ("ArdourContextMenu");
2016         
2017         play_items.push_back (MenuElem (_("Play from edit cursor")));
2018         play_items.push_back (MenuElem (_("Play from start"), mem_fun(*this, &Editor::play_from_start)));
2019         edit_items.push_back (MenuElem (_("Play"), *play_menu));
2020
2021         /* Selection */
2022
2023         Menu *select_menu = manage (new Menu);
2024         MenuList& select_items = select_menu->items();
2025         select_menu->set_name ("ArdourContextMenu");
2026         
2027         select_items.push_back (MenuElem (_("Select All in track"), bind (mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
2028         select_items.push_back (MenuElem (_("Select All"), bind (mem_fun(*this, &Editor::select_all), Selection::Set)));
2029         select_items.push_back (MenuElem (_("Invert selection in track"), mem_fun(*this, &Editor::invert_selection_in_track)));
2030         select_items.push_back (MenuElem (_("Invert selection"), mem_fun(*this, &Editor::invert_selection)));
2031         select_items.push_back (SeparatorElem());
2032         select_items.push_back (MenuElem (_("Select all after edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, true)));
2033         select_items.push_back (MenuElem (_("Select all before edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, false)));
2034         select_items.push_back (MenuElem (_("Select all after playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
2035         select_items.push_back (MenuElem (_("Select all before playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
2036
2037         edit_items.push_back (MenuElem (_("Select"), *select_menu));
2038
2039         /* Cut-n-Paste */
2040
2041         Menu *cutnpaste_menu = manage (new Menu);
2042         MenuList& cutnpaste_items = cutnpaste_menu->items();
2043         cutnpaste_menu->set_name ("ArdourContextMenu");
2044         
2045         cutnpaste_items.push_back (MenuElem (_("Cut"), mem_fun(*this, &Editor::cut)));
2046         cutnpaste_items.push_back (MenuElem (_("Copy"), mem_fun(*this, &Editor::copy)));
2047         cutnpaste_items.push_back (MenuElem (_("Paste"), bind (mem_fun(*this, &Editor::paste), 1.0f)));
2048
2049         Menu *nudge_menu = manage (new Menu());
2050         MenuList& nudge_items = nudge_menu->items();
2051         nudge_menu->set_name ("ArdourContextMenu");
2052         
2053         edit_items.push_back (SeparatorElem());
2054         nudge_items.push_back (MenuElem (_("Nudge entire track fwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, true))));
2055         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor fwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, true))));
2056         nudge_items.push_back (MenuElem (_("Nudge entire track bwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, false))));
2057         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor bwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, false))));
2058
2059         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
2060 }
2061
2062 /* CURSOR SETTING AND MARKS AND STUFF */
2063
2064 void
2065 Editor::set_snap_to (SnapType st)
2066 {
2067         snap_type = st;
2068         vector<string> txt = internationalize (snap_type_strings);
2069         snap_type_selector.set_active_text (txt[(int)st]);
2070
2071         instant_save ();
2072
2073         switch (snap_type) {
2074         case SnapToAThirtysecondBeat:
2075         case SnapToASixteenthBeat:
2076         case SnapToAEighthBeat:
2077         case SnapToAQuarterBeat:
2078         case SnapToAThirdBeat:
2079                 update_tempo_based_rulers ();
2080         default:
2081                 /* relax */
2082                 break;
2083     }
2084 }
2085
2086 void
2087 Editor::set_snap_mode (SnapMode mode)
2088 {
2089         snap_mode = mode;
2090         vector<string> txt = internationalize (snap_mode_strings);
2091         snap_mode_selector.set_active_text (txt[(int)mode]);
2092
2093         instant_save ();
2094 }
2095
2096 int
2097 Editor::set_state (const XMLNode& node)
2098 {
2099         const XMLProperty* prop;
2100         XMLNode* geometry;
2101         int x, y, xoff, yoff;
2102         Gdk::Geometry g;
2103
2104         if ((prop = node.property ("id")) != 0) {
2105                 _id = prop->value ();
2106         }
2107
2108         if ((geometry = find_named_node (node, "geometry")) == 0) {
2109
2110                 g.base_width = default_width;
2111                 g.base_height = default_height;
2112                 x = 1;
2113                 y = 1;
2114                 xoff = 0;
2115                 yoff = 21;
2116
2117         } else {
2118
2119                 g.base_width = atoi(geometry->property("x_size")->value());
2120                 g.base_height = atoi(geometry->property("y_size")->value());
2121                 x = atoi(geometry->property("x_pos")->value());
2122                 y = atoi(geometry->property("y_pos")->value());
2123                 xoff = atoi(geometry->property("x_off")->value());
2124                 yoff = atoi(geometry->property("y_off")->value());
2125         }
2126
2127         set_default_size (g.base_width, g.base_height);
2128         move (x, y);
2129
2130         if ((prop = node.property ("zoom-focus"))) {
2131                 set_zoom_focus ((ZoomFocus) atoi (prop->value()));
2132         }
2133
2134         if ((prop = node.property ("zoom"))) {
2135                 set_frames_per_unit (PBD::atof (prop->value()));
2136         }
2137
2138         if ((prop = node.property ("snap-to"))) {
2139                 set_snap_to ((SnapType) atoi (prop->value()));
2140         }
2141
2142         if ((prop = node.property ("snap-mode"))) {
2143                 set_snap_mode ((SnapMode) atoi (prop->value()));
2144         }
2145
2146         if ((prop = node.property ("mouse-mode"))) {
2147                 MouseMode m = str2mousemode(prop->value());
2148                 mouse_mode = MouseMode ((int) m + 1); /* lie, force mode switch */
2149                 set_mouse_mode (m, true);
2150         } else {
2151                 mouse_mode = MouseGain; /* lie, to force the mode switch */
2152                 set_mouse_mode (MouseObject, true);
2153         }
2154
2155         if ((prop = node.property ("show-waveforms"))) {
2156                 bool yn = (prop->value() == "yes");
2157                 _show_waveforms = !yn;
2158                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleWaveformVisibility"));
2159                 if (act) {
2160                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2161                         /* do it twice to force the change */
2162                         tact->set_active (!yn);
2163                         tact->set_active (yn);
2164                 }
2165         }
2166
2167         if ((prop = node.property ("show-waveforms-recording"))) {
2168                 bool yn = (prop->value() == "yes");
2169                 _show_waveforms_recording = !yn;
2170                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleWaveformsWhileRecording"));
2171                 if (act) {
2172                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2173                         /* do it twice to force the change */
2174                         tact->set_active (!yn);
2175                         tact->set_active (yn);
2176                 }
2177         }
2178         
2179         if ((prop = node.property ("show-measures"))) {
2180                 bool yn = (prop->value() == "yes");
2181                 _show_measures = !yn;
2182                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleMeasureVisibility"));
2183                 if (act) {
2184                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2185                         /* do it twice to force the change */
2186                         tact->set_active (!yn);
2187                         tact->set_active (yn);
2188                 }
2189         }
2190
2191         if ((prop = node.property ("follow-playhead"))) {
2192                 bool yn = (prop->value() == "yes");
2193                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
2194                 if (act) {
2195                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2196                         /* do it twice to force the change */
2197                         tact->set_active (!yn);
2198                         tact->set_active (yn);
2199                 }
2200         }
2201
2202
2203         if ((prop = node.property ("region-list-sort-type"))) {
2204                 region_list_sort_type = (Editing::RegionListSortType) -1; // force change 
2205                 reset_region_list_sort_type(str2regionlistsorttype(prop->value()));
2206         }
2207
2208         if ((prop = node.property ("xfades-visible"))) {
2209                 bool yn = (prop->value() == "yes");
2210                 _xfade_visibility = !yn;
2211                 // set_xfade_visibility (yn);
2212         }
2213
2214         if ((prop = node.property ("show-editor-mixer"))) {
2215
2216                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2217                 if (act) {
2218                         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2219                         bool yn = (prop->value() == X_("yes"));
2220
2221                         /* do it twice to force the change */
2222                         
2223                         tact->set_active (!yn);
2224                         tact->set_active (yn);
2225                 }
2226         }
2227
2228
2229         return 0;
2230 }
2231
2232 XMLNode&
2233 Editor::get_state ()
2234 {
2235         XMLNode* node = new XMLNode ("Editor");
2236         char buf[32];
2237
2238         _id.print (buf);
2239         node->add_property ("id", buf);
2240         
2241         if (is_realized()) {
2242                 Glib::RefPtr<Gdk::Window> win = get_window();
2243                 
2244                 int x, y, xoff, yoff, width, height;
2245                 win->get_root_origin(x, y);
2246                 win->get_position(xoff, yoff);
2247                 win->get_size(width, height);
2248                 
2249                 XMLNode* geometry = new XMLNode ("geometry");
2250
2251                 snprintf(buf, sizeof(buf), "%d", width);
2252                 geometry->add_property("x_size", string(buf));
2253                 snprintf(buf, sizeof(buf), "%d", height);
2254                 geometry->add_property("y_size", string(buf));
2255                 snprintf(buf, sizeof(buf), "%d", x);
2256                 geometry->add_property("x_pos", string(buf));
2257                 snprintf(buf, sizeof(buf), "%d", y);
2258                 geometry->add_property("y_pos", string(buf));
2259                 snprintf(buf, sizeof(buf), "%d", xoff);
2260                 geometry->add_property("x_off", string(buf));
2261                 snprintf(buf, sizeof(buf), "%d", yoff);
2262                 geometry->add_property("y_off", string(buf));
2263                 snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (static_cast<Paned*>(&edit_pane)->gobj()));
2264                 geometry->add_property("edit_pane_pos", string(buf));
2265
2266                 node->add_child_nocopy (*geometry);
2267         }
2268
2269         snprintf (buf, sizeof(buf), "%d", (int) zoom_focus);
2270         node->add_property ("zoom-focus", buf);
2271         snprintf (buf, sizeof(buf), "%f", frames_per_unit);
2272         node->add_property ("zoom", buf);
2273         snprintf (buf, sizeof(buf), "%d", (int) snap_type);
2274         node->add_property ("snap-to", buf);
2275         snprintf (buf, sizeof(buf), "%d", (int) snap_mode);
2276         node->add_property ("snap-mode", buf);
2277
2278         node->add_property ("show-waveforms", _show_waveforms ? "yes" : "no");
2279         node->add_property ("show-waveforms-recording", _show_waveforms_recording ? "yes" : "no");
2280         node->add_property ("show-measures", _show_measures ? "yes" : "no");
2281         node->add_property ("follow-playhead", _follow_playhead ? "yes" : "no");
2282         node->add_property ("xfades-visible", _xfade_visibility ? "yes" : "no");
2283         node->add_property ("region-list-sort-type", enum2str(region_list_sort_type));
2284         node->add_property ("mouse-mode", enum2str(mouse_mode));
2285         
2286         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2287         if (act) {
2288                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2289                 node->add_property (X_("show-editor-mixer"), tact->get_active() ? "yes" : "no");
2290         }
2291
2292         return *node;
2293 }
2294
2295
2296
2297 TimeAxisView *
2298 Editor::trackview_by_y_position (double y)
2299 {
2300         TrackViewList::iterator iter;
2301         TimeAxisView *tv;
2302
2303         for (iter = track_views.begin(); iter != track_views.end(); ++iter) {
2304
2305                 tv = *iter;
2306
2307                 if (tv->hidden()) {
2308                         continue;
2309                 }
2310
2311                 if (tv->y_position <= y && y < ((tv->y_position + tv->height + track_spacing))) {
2312                         return tv;
2313                 }
2314         }
2315
2316         return 0;
2317 }
2318
2319 void
2320 Editor::snap_to (jack_nframes_t& start, int32_t direction, bool for_mark)
2321 {
2322         Location* before = 0;
2323         Location* after = 0;
2324
2325         if (!session) {
2326                 return;
2327         }
2328
2329         const jack_nframes_t one_second = session->frame_rate();
2330         const jack_nframes_t one_minute = session->frame_rate() * 60;
2331
2332         jack_nframes_t presnap = start;
2333
2334         switch (snap_type) {
2335         case SnapToFrame:
2336                 break;
2337
2338         case SnapToCDFrame:
2339                 if (direction) {
2340                         start = (jack_nframes_t) ceil ((double) start / (one_second / 75)) * (one_second / 75);
2341                 } else {
2342                         start = (jack_nframes_t) floor ((double) start / (one_second / 75)) * (one_second / 75);
2343                 }
2344                 break;
2345         case SnapToSMPTEFrame:
2346                 if (direction) {
2347                         start = (jack_nframes_t) (ceil ((double) start / session->frames_per_smpte_frame()) * session->frames_per_smpte_frame());
2348                 } else {
2349                         start = (jack_nframes_t) (floor ((double) start / session->frames_per_smpte_frame()) *  session->frames_per_smpte_frame());
2350                 }
2351                 break;
2352
2353         case SnapToSMPTESeconds:
2354                 if (session->smpte_offset_negative())
2355                 {
2356                         start += session->smpte_offset ();
2357                 } else {
2358                         start -= session->smpte_offset ();
2359                 }    
2360                 if (direction > 0) {
2361                         start = (jack_nframes_t) ceil ((double) start / one_second) * one_second;
2362                 } else {
2363                         start = (jack_nframes_t) floor ((double) start / one_second) * one_second;
2364                 }
2365                 
2366                 if (session->smpte_offset_negative())
2367                 {
2368                         start -= session->smpte_offset ();
2369                 } else {
2370                         start += session->smpte_offset ();
2371                 }
2372                 break;
2373                 
2374         case SnapToSMPTEMinutes:
2375                 if (session->smpte_offset_negative())
2376                 {
2377                         start += session->smpte_offset ();
2378                 } else {
2379                         start -= session->smpte_offset ();
2380                 }
2381                 if (direction) {
2382                         start = (jack_nframes_t) ceil ((double) start / one_minute) * one_minute;
2383                 } else {
2384                         start = (jack_nframes_t) floor ((double) start / one_minute) * one_minute;
2385                 }
2386                 if (session->smpte_offset_negative())
2387                 {
2388                         start -= session->smpte_offset ();
2389                 } else {
2390                         start += session->smpte_offset ();
2391                 }
2392                 break;
2393                 
2394         case SnapToSeconds:
2395                 if (direction) {
2396                         start = (jack_nframes_t) ceil ((double) start / one_second) * one_second;
2397                 } else {
2398                         start = (jack_nframes_t) floor ((double) start / one_second) * one_second;
2399                 }
2400                 break;
2401                 
2402         case SnapToMinutes:
2403                 if (direction) {
2404                         start = (jack_nframes_t) ceil ((double) start / one_minute) * one_minute;
2405                 } else {
2406                         start = (jack_nframes_t) floor ((double) start / one_minute) * one_minute;
2407                 }
2408                 break;
2409
2410         case SnapToBar:
2411                 start = session->tempo_map().round_to_bar (start, direction);
2412                 break;
2413
2414         case SnapToBeat:
2415                 start = session->tempo_map().round_to_beat (start, direction);
2416                 break;
2417
2418         case SnapToAThirtysecondBeat:
2419                 start = session->tempo_map().round_to_beat_subdivision (start, 32);
2420                 break;
2421
2422         case SnapToASixteenthBeat:
2423                 start = session->tempo_map().round_to_beat_subdivision (start, 16);
2424                 break;
2425
2426         case SnapToAEighthBeat:
2427                 start = session->tempo_map().round_to_beat_subdivision (start, 8);
2428                 break;
2429
2430         case SnapToAQuarterBeat:
2431                 start = session->tempo_map().round_to_beat_subdivision (start, 4);
2432                 break;
2433
2434         case SnapToAThirdBeat:
2435                 start = session->tempo_map().round_to_beat_subdivision (start, 3);
2436                 break;
2437
2438         case SnapToEditCursor:
2439                 start = edit_cursor->current_frame;
2440                 break;
2441
2442         case SnapToMark:
2443                 if (for_mark) {
2444                         return;
2445                 }
2446
2447                 before = session->locations()->first_location_before (start);
2448                 after = session->locations()->first_location_after (start);
2449
2450                 if (direction < 0) {
2451                         if (before) {
2452                                 start = before->start();
2453                         } else {
2454                                 start = 0;
2455                         }
2456                 } else if (direction > 0) {
2457                         if (after) {
2458                                 start = after->start();
2459                         } else {
2460                                 start = session->current_end_frame();
2461                         }
2462                 } else {
2463                         if (before) {
2464                                 if (after) {
2465                                         /* find nearest of the two */
2466                                         if ((start - before->start()) < (after->start() - start)) {
2467                                                 start = before->start();
2468                                         } else {
2469                                                 start = after->start();
2470                                         }
2471                                 } else {
2472                                         start = before->start();
2473                                 }
2474                         } else if (after) {
2475                                 start = after->start();
2476                         } else {
2477                                 /* relax */
2478                         }
2479                 }
2480                 break;
2481
2482         case SnapToRegionStart:
2483         case SnapToRegionEnd:
2484         case SnapToRegionSync:
2485         case SnapToRegionBoundary:
2486                 if (!region_boundary_cache.empty()) {
2487                         vector<jack_nframes_t>::iterator i;
2488
2489                         if (direction > 0) {
2490                                 i = std::upper_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2491                         } else {
2492                                 i = std::lower_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2493                         }
2494                         
2495                         if (i != region_boundary_cache.end()) {
2496                                 start = *i;
2497                         } else {
2498                                 start = region_boundary_cache.back();
2499                         }
2500                 }
2501                 break;
2502         }
2503
2504         switch (snap_mode) {
2505         case SnapNormal:
2506                 return;                 
2507                 
2508         case SnapMagnetic:
2509                 
2510                 if (presnap > start) {
2511                         if (presnap > (start + unit_to_frame(snap_threshold))) {
2512                                 start = presnap;
2513                         }
2514                         
2515                 } else if (presnap < start) {
2516                         if (presnap < (start - unit_to_frame(snap_threshold))) {
2517                                 start = presnap;
2518                         }
2519                 }
2520                 
2521         default:
2522                 return;
2523                 
2524         }
2525 }
2526
2527 void
2528 Editor::setup_toolbar ()
2529 {
2530         string pixmap_path;
2531
2532         const guint32 FUDGE = 18; // Combo's are stupid - they steal space from the entry for the button
2533
2534
2535         /* Mode Buttons (tool selection) */
2536
2537         vector<ToggleButton *> mouse_mode_buttons;
2538
2539         mouse_move_button.add (*(manage (new Image (get_xpm("tool_object.xpm")))));
2540         mouse_move_button.set_relief(Gtk::RELIEF_NONE);
2541         mouse_mode_buttons.push_back (&mouse_move_button);
2542         mouse_select_button.add (*(manage (new Image (get_xpm("tool_range.xpm")))));
2543         mouse_select_button.set_relief(Gtk::RELIEF_NONE);
2544         mouse_mode_buttons.push_back (&mouse_select_button);
2545         mouse_gain_button.add (*(manage (new Image (get_xpm("tool_gain.xpm")))));
2546         mouse_gain_button.set_relief(Gtk::RELIEF_NONE);
2547         mouse_mode_buttons.push_back (&mouse_gain_button);
2548         mouse_zoom_button.add (*(manage (new Image (get_xpm("tool_zoom.xpm")))));
2549         mouse_zoom_button.set_relief(Gtk::RELIEF_NONE);
2550         mouse_mode_buttons.push_back (&mouse_zoom_button);
2551         mouse_timefx_button.add (*(manage (new Image (get_xpm("tool_stretch.xpm")))));
2552         mouse_timefx_button.set_relief(Gtk::RELIEF_NONE);
2553         mouse_mode_buttons.push_back (&mouse_timefx_button);
2554         mouse_audition_button.add (*(manage (new Image (get_xpm("tool_audition.xpm")))));
2555         mouse_audition_button.set_relief(Gtk::RELIEF_NONE);
2556         mouse_mode_buttons.push_back (&mouse_audition_button);
2557         
2558         mouse_mode_button_set = new GroupedButtons (mouse_mode_buttons);
2559
2560         HBox* mode_box = manage(new HBox);
2561         mode_box->set_border_width (2);
2562         mode_box->set_spacing(4);
2563         mouse_mode_button_box.set_spacing(1);
2564         mouse_mode_button_box.pack_start(mouse_move_button, true, true);
2565         mouse_mode_button_box.pack_start(mouse_select_button, true, true);
2566         mouse_mode_button_box.pack_start(mouse_zoom_button, true, true);
2567         mouse_mode_button_box.pack_start(mouse_gain_button, true, true);
2568         mouse_mode_button_box.pack_start(mouse_timefx_button, true, true);
2569         mouse_mode_button_box.pack_start(mouse_audition_button, true, true);
2570         mouse_mode_button_box.set_homogeneous(true);
2571
2572         edit_mode_selector.set_name ("EditModeSelector");
2573         Gtkmm2ext::set_size_request_to_display_given_text (edit_mode_selector, "Splice Edit", 2+FUDGE, 10);
2574         set_popdown_strings (edit_mode_selector, internationalize (edit_mode_strings));
2575         edit_mode_selector.signal_changed().connect (mem_fun(*this, &Editor::edit_mode_selection_done));
2576
2577         mode_box->pack_start(edit_mode_selector);
2578         mode_box->pack_start(mouse_mode_button_box);
2579         
2580         mouse_mode_tearoff = manage (new TearOff (*mode_box));
2581         mouse_mode_tearoff->set_name ("MouseModeBase");
2582
2583         mouse_mode_tearoff->Detach.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox), 
2584                                                   &mouse_mode_tearoff->tearoff_window()));
2585         mouse_mode_tearoff->Attach.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox), 
2586                                                   &mouse_mode_tearoff->tearoff_window(), 1));
2587         mouse_mode_tearoff->Hidden.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox), 
2588                                                   &mouse_mode_tearoff->tearoff_window()));
2589         mouse_mode_tearoff->Visible.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox), 
2590                                                    &mouse_mode_tearoff->tearoff_window(), 1));
2591
2592         mouse_move_button.set_name ("MouseModeButton");
2593         mouse_select_button.set_name ("MouseModeButton");
2594         mouse_gain_button.set_name ("MouseModeButton");
2595         mouse_zoom_button.set_name ("MouseModeButton");
2596         mouse_timefx_button.set_name ("MouseModeButton");
2597         mouse_audition_button.set_name ("MouseModeButton");
2598
2599         ARDOUR_UI::instance()->tooltips().set_tip (mouse_move_button, _("Select/Move Objects"));
2600         ARDOUR_UI::instance()->tooltips().set_tip (mouse_select_button, _("Select/Move Ranges"));
2601         ARDOUR_UI::instance()->tooltips().set_tip (mouse_gain_button, _("Draw Gain Automation"));
2602         ARDOUR_UI::instance()->tooltips().set_tip (mouse_zoom_button, _("Select Zoom Range"));
2603         ARDOUR_UI::instance()->tooltips().set_tip (mouse_timefx_button, _("Stretch/Shrink Regions"));
2604         ARDOUR_UI::instance()->tooltips().set_tip (mouse_audition_button, _("Listen to Specific Regions"));
2605
2606         mouse_move_button.unset_flags (CAN_FOCUS);
2607         mouse_select_button.unset_flags (CAN_FOCUS);
2608         mouse_gain_button.unset_flags (CAN_FOCUS);
2609         mouse_zoom_button.unset_flags (CAN_FOCUS);
2610         mouse_timefx_button.unset_flags (CAN_FOCUS);
2611         mouse_audition_button.unset_flags (CAN_FOCUS);
2612
2613         mouse_select_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseRange));
2614         mouse_select_button.signal_button_release_event().connect (mem_fun(*this, &Editor::mouse_select_button_release));
2615
2616         mouse_move_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseObject));
2617         mouse_gain_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseGain));
2618         mouse_zoom_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseZoom));
2619         mouse_timefx_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseTimeFX));
2620         mouse_audition_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseAudition));
2621
2622         // mouse_move_button.set_active (true);
2623         
2624
2625         /* Zoom */
2626         
2627         zoom_box.set_spacing (1);
2628         zoom_box.set_border_width (2);
2629
2630         zoom_in_button.set_name ("EditorTimeButton");
2631         zoom_in_button.add (*(manage (new Image (get_xpm("zoom_in.xpm")))));
2632         zoom_in_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::temporal_zoom_step), false));
2633         ARDOUR_UI::instance()->tooltips().set_tip (zoom_in_button, _("Zoom In"));
2634         
2635         zoom_out_button.set_name ("EditorTimeButton");
2636         zoom_out_button.add (*(manage (new Image (get_xpm("zoom_out.xpm")))));
2637         zoom_out_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::temporal_zoom_step), true));
2638         ARDOUR_UI::instance()->tooltips().set_tip (zoom_out_button, _("Zoom Out"));
2639
2640         zoom_out_full_button.set_name ("EditorTimeButton");
2641         zoom_out_full_button.add (*(manage (new Image (get_xpm("zoom_full.xpm")))));
2642         zoom_out_full_button.signal_clicked().connect (mem_fun(*this, &Editor::temporal_zoom_session));
2643         ARDOUR_UI::instance()->tooltips().set_tip (zoom_out_full_button, _("Zoom to Session"));
2644         
2645         zoom_box.pack_start (zoom_out_button, false, false);
2646         zoom_box.pack_start (zoom_in_button, false, false);
2647         zoom_box.pack_start (zoom_range_clock, false, false);   
2648         zoom_box.pack_start (zoom_out_full_button, false, false);
2649         
2650         ARDOUR_UI::instance()->tooltips().set_tip (zoom_range_clock, _("Current Zoom Range\n(Width of visible area)"));
2651         
2652         zoom_focus_selector.set_name ("ZoomFocusSelector");
2653         Gtkmm2ext::set_size_request_to_display_given_text (zoom_focus_selector, "Focus Center", 2+FUDGE, 0);
2654         set_popdown_strings (zoom_focus_selector, internationalize (zoom_focus_strings));
2655         zoom_focus_selector.signal_changed().connect (mem_fun(*this, &Editor::zoom_focus_selection_done));
2656
2657         zoom_box.pack_start (zoom_focus_selector, false, false);
2658
2659
2660         /* Edit Cursor / Snap */
2661
2662         snap_box.set_spacing (1);
2663         snap_box.set_border_width (2);
2664
2665         snap_type_selector.set_name ("SnapTypeSelector");
2666         Gtkmm2ext::set_size_request_to_display_given_text (snap_type_selector, "SMPTE Seconds", 2+FUDGE, 10);
2667         set_popdown_strings (snap_type_selector, internationalize (snap_type_strings));
2668         snap_type_selector.signal_changed().connect (mem_fun(*this, &Editor::snap_type_selection_done));
2669         ARDOUR_UI::instance()->tooltips().set_tip (snap_type_selector, _("Unit to snap cursors and ranges to"));
2670
2671         snap_mode_selector.set_name ("SnapModeSelector");
2672         Gtkmm2ext::set_size_request_to_display_given_text (snap_mode_selector, "Magnetic Snap", 2+FUDGE, 10);
2673         set_popdown_strings (snap_mode_selector, internationalize (snap_mode_strings));
2674         snap_mode_selector.signal_changed().connect (mem_fun(*this, &Editor::snap_mode_selection_done));
2675
2676         snap_box.pack_start (edit_cursor_clock, false, false);
2677         snap_box.pack_start (snap_mode_selector, false, false);
2678         snap_box.pack_start (snap_type_selector, false, false);
2679
2680
2681         /* Nudge */
2682
2683         HBox *nudge_box = manage (new HBox);
2684         nudge_box->set_spacing(1);
2685         nudge_box->set_border_width (2);
2686
2687         nudge_forward_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::nudge_forward), false));
2688         nudge_backward_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::nudge_backward), false));
2689
2690         nudge_box->pack_start (nudge_backward_button, false, false);
2691         nudge_box->pack_start (nudge_forward_button, false, false);
2692         nudge_box->pack_start (nudge_clock, false, false);
2693
2694
2695         /* Pack everything in... */
2696
2697         HBox* hbox = new HBox;
2698         hbox->set_spacing(10);
2699
2700         tools_tearoff = new TearOff (*hbox);
2701         tools_tearoff->set_name ("MouseModeBase");
2702
2703         tools_tearoff->Detach.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox), 
2704                                              &tools_tearoff->tearoff_window()));
2705         tools_tearoff->Attach.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox), 
2706                                              &tools_tearoff->tearoff_window(), 0));
2707         tools_tearoff->Hidden.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox), 
2708                                              &tools_tearoff->tearoff_window()));
2709         tools_tearoff->Visible.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox), 
2710                                               &tools_tearoff->tearoff_window(), 0));
2711
2712         toolbar_hbox.set_spacing (10);
2713         toolbar_hbox.set_border_width (1);
2714
2715         toolbar_hbox.pack_start (*mouse_mode_tearoff, false, false);
2716         toolbar_hbox.pack_start (*tools_tearoff, false, false);
2717
2718         
2719         hbox->pack_start (snap_box, false, false);
2720         hbox->pack_start (zoom_box, false, false); 
2721         hbox->pack_start (*nudge_box, false, false);
2722
2723         hbox->show_all ();
2724         
2725         toolbar_base.set_name ("ToolBarBase");
2726         toolbar_base.add (toolbar_hbox);
2727
2728         toolbar_frame.set_shadow_type (SHADOW_OUT);
2729         toolbar_frame.set_name ("BaseFrame");
2730         toolbar_frame.add (toolbar_base);
2731 }
2732
2733 int
2734 Editor::convert_drop_to_paths (vector<ustring>& paths, 
2735                                const RefPtr<Gdk::DragContext>& context,
2736                                gint                x,
2737                                gint                y,
2738                                const SelectionData& data,
2739                                guint               info,
2740                                guint               time)                               
2741
2742 {       
2743         if (session == 0) {
2744                 return -1;
2745         }
2746
2747         vector<ustring> uris = data.get_uris();
2748
2749         if (uris.empty()) {
2750                 
2751                 /* This is seriously fucked up. Nautilus doesn't say that its URI lists
2752                    are actually URI lists. So do it by hand.
2753                 */
2754
2755                 if (data.get_target() != "text/plain") {
2756                         return -1;
2757                 }
2758   
2759                 /* Parse the "uri-list" format that Nautilus provides, 
2760                    where each pathname is delimited by \r\n
2761                 */
2762         
2763                 const char* p = data.get_text().c_str();
2764                 const char* q;
2765
2766                 while (p)
2767                 {
2768                         if (*p != '#')
2769                         {
2770                                 while (g_ascii_isspace (*p))
2771                                         p++;
2772                                 
2773                                 q = p;
2774                                 while (*q && (*q != '\n') && (*q != '\r'))
2775                                         q++;
2776                                 
2777                                 if (q > p)
2778                                 {
2779                                         q--;
2780                                         while (q > p && g_ascii_isspace (*q))
2781                                                 q--;
2782                                         
2783                                         if (q > p)
2784                                         {
2785                                                 uris.push_back (ustring (p, q - p + 1));
2786                                         }
2787                                 }
2788                         }
2789                         p = strchr (p, '\n');
2790                         if (p)
2791                                 p++;
2792                 }
2793
2794                 if (uris.empty()) {
2795                         return -1;
2796                 }
2797         }
2798         
2799         for (vector<ustring>::iterator i = uris.begin(); i != uris.end(); ++i) {
2800                 if ((*i).substr (0,7) == "file://") {
2801                         string p = *i;
2802                         PBD::url_decode (p);
2803                         paths.push_back (p.substr (7));
2804                 }
2805         }
2806
2807         return 0;
2808 }
2809
2810 void
2811 Editor::new_tempo_section ()
2812
2813 {
2814 }
2815
2816 void
2817 Editor::map_transport_state ()
2818 {
2819         ENSURE_GUI_THREAD (mem_fun(*this, &Editor::map_transport_state));
2820
2821         if (session->transport_stopped()) {
2822                 have_pending_keyboard_selection = false;
2823         }
2824 }
2825
2826 /* UNDO/REDO */
2827
2828 Editor::State::State ()
2829 {
2830         selection = new Selection;
2831 }
2832
2833 Editor::State::~State ()
2834 {
2835         delete selection;
2836 }
2837
2838 UndoAction
2839 Editor::get_memento () const
2840 {
2841         State *state = new State;
2842
2843         store_state (*state);
2844         return bind (mem_fun (*(const_cast<Editor*>(this)), &Editor::restore_state), state);
2845 }
2846
2847 void
2848 Editor::store_state (State& state) const
2849 {
2850         *state.selection = *selection;
2851 }
2852
2853 void
2854 Editor::restore_state (State *state)
2855 {
2856         if (*selection == *state->selection) {
2857                 return;
2858         }
2859
2860         *selection = *state->selection;
2861         time_selection_changed ();
2862         region_selection_changed ();   
2863
2864         /* XXX other selection change handlers? */
2865 }
2866
2867 void
2868 Editor::begin_reversible_command (string name)
2869 {
2870         if (session) {
2871                 before = &get_state();
2872                 session->begin_reversible_command (name);
2873         }
2874 }
2875
2876 void
2877 Editor::commit_reversible_command ()
2878 {
2879         if (session) {
2880                 session->commit_reversible_command (new MementoCommand<Editor>(*this, before, &get_state()));
2881         }
2882 }
2883
2884 bool
2885 Editor::set_selected_track_from_click (bool press, Selection::Operation op, bool with_undo, bool no_remove)
2886 {
2887         bool commit = false;
2888
2889         if (!clicked_trackview) {
2890                 return false;
2891         }
2892
2893         switch (op) {
2894         case Selection::Toggle:
2895                 if (selection->selected (clicked_trackview)) {
2896                         if (!no_remove) {
2897                                 selection->remove (clicked_trackview);
2898                                 commit = true;
2899                         }
2900                 } else {
2901                         selection->add (clicked_trackview);
2902                         commit = false;
2903                 }
2904                 break;
2905
2906         case Selection::Set:
2907                 if (selection->selected (clicked_trackview) && selection->tracks.size() == 1) {
2908                         /* no commit necessary */
2909                 } 
2910
2911                 selection->set (clicked_trackview);
2912                 break;
2913                 
2914         case Selection::Extend:
2915                 /* not defined yet */
2916                 break;
2917         }
2918
2919         return commit;
2920 }
2921
2922 bool
2923 Editor::set_selected_control_point_from_click (bool press, Selection::Operation op, bool with_undo, bool no_remove)
2924 {
2925         if (!clicked_control_point) {
2926                 return false;
2927         }
2928
2929         /* select this point and any others that it represents */
2930
2931         double y1, y2;
2932         jack_nframes_t x1, x2;
2933
2934         x1 = pixel_to_frame (clicked_control_point->get_x() - 10);
2935         x2 = pixel_to_frame (clicked_control_point->get_x() + 10);
2936         y1 = clicked_control_point->get_x() - 10;
2937         y2 = clicked_control_point->get_y() + 10;
2938
2939         return select_all_within (x1, x2, y1, y2, op);
2940 }
2941
2942 void
2943 Editor::get_relevant_audio_tracks (AudioTimeAxisView& base, set<AudioTimeAxisView*>& relevant_tracks)
2944 {
2945         /* step one: get all selected tracks and all tracks in the relevant edit groups */
2946
2947         for (TrackSelection::iterator ti = selection->tracks.begin(); ti != selection->tracks.end(); ++ti) {
2948
2949                 AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*>(*ti);
2950
2951                 if (!atv) {
2952                         continue;
2953                 }
2954
2955                 RouteGroup* group = atv->route()->edit_group();
2956
2957                 if (group && group->is_active()) {
2958                         
2959                         /* active group for this track, loop over all tracks and get every member of the group */
2960
2961                         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
2962                                 
2963                                 AudioTimeAxisView* tatv;
2964                                 
2965                                 if ((tatv = dynamic_cast<AudioTimeAxisView*> (*i)) != 0) {
2966                                         
2967                                         if (tatv->route()->edit_group() == group) {
2968                                                 relevant_tracks.insert (tatv);
2969                                         }
2970                                 }
2971                         }
2972
2973                 } else {
2974
2975                         /* no active group, or no group */
2976
2977                         relevant_tracks.insert (&base);
2978                 }
2979
2980         }
2981 }
2982
2983 void
2984 Editor::mapover_audio_tracks (slot<void,AudioTimeAxisView&,uint32_t> sl)
2985 {
2986         set<AudioTimeAxisView*> relevant_tracks;
2987
2988         if (!clicked_audio_trackview) {
2989                 return;
2990         }
2991
2992         get_relevant_audio_tracks (*clicked_audio_trackview, relevant_tracks);
2993
2994         uint32_t sz = relevant_tracks.size();
2995         
2996         for (set<AudioTimeAxisView*>::iterator ati = relevant_tracks.begin(); ati != relevant_tracks.end(); ++ati) {
2997                 sl (**ati, sz);
2998         }
2999 }
3000
3001 void
3002 Editor::mapped_set_selected_regionview_from_click (RouteTimeAxisView& tv, uint32_t ignored, 
3003                                                    RegionView* basis, vector<RegionView*>* all_equivs)
3004 {
3005         Playlist* pl;
3006         vector<boost::shared_ptr<Region> > results;
3007         RegionView* marv;
3008         boost::shared_ptr<Diskstream> ds;
3009
3010         if ((ds = tv.get_diskstream()) == 0) {
3011                 /* bus */
3012                 return;
3013         }
3014
3015         if (&tv == &basis->get_time_axis_view()) {
3016                 /* looking in same track as the original */
3017                 return;
3018         }
3019
3020         
3021         if ((pl = dynamic_cast<Playlist*>(ds->playlist())) != 0) {
3022                 pl->get_equivalent_regions (basis->region(), results);
3023         }
3024         
3025         for (vector<boost::shared_ptr<Region> >::iterator ir = results.begin(); ir != results.end(); ++ir) {
3026                 if ((marv = tv.view()->find_view (*ir)) != 0) {
3027                         all_equivs->push_back (marv);
3028                 }
3029         }
3030 }
3031
3032 bool
3033 Editor::set_selected_regionview_from_click (bool press, Selection::Operation op, bool no_track_remove)
3034 {
3035         vector<RegionView*> all_equivalent_regions;
3036         bool commit = false;
3037
3038         if (!clicked_regionview || !clicked_audio_trackview) {
3039                 return false;
3040         }
3041
3042         if (op == Selection::Toggle || op == Selection::Set) {
3043                 
3044                 mapover_audio_tracks (bind (mem_fun (*this, &Editor::mapped_set_selected_regionview_from_click), 
3045                                             clicked_regionview, &all_equivalent_regions));
3046                 
3047                 
3048                 /* add clicked regionview since we skipped all other regions in the same track as the one it was in */
3049                 
3050                 all_equivalent_regions.push_back (clicked_regionview);
3051                 
3052                 switch (op) {
3053                 case Selection::Toggle:
3054                         
3055                         if (clicked_regionview->get_selected()) {
3056                                 if (press) {
3057
3058                                         /* whatever was clicked was selected already; do nothing here but allow
3059                                            the button release to deselect it
3060                                         */
3061
3062                                         button_release_can_deselect = true;
3063
3064                                 } else {
3065
3066                                         if (button_release_can_deselect) {
3067
3068                                                 /* just remove this one region, but only on a permitted button release */
3069
3070                                                 selection->remove (clicked_regionview);
3071                                                 commit = true;
3072
3073                                                 /* no more deselect action on button release till a new press
3074                                                    finds an already selected object.
3075                                                 */
3076
3077                                                 button_release_can_deselect = false;
3078                                         }
3079                                 } 
3080
3081                         } else {
3082
3083                                 if (press) {
3084                                         /* add all the equivalent regions, but only on button press */
3085                                         
3086                                         if (!all_equivalent_regions.empty()) {
3087                                                 commit = true;
3088                                         }
3089                                         
3090                                         for (vector<RegionView*>::iterator i = all_equivalent_regions.begin(); i != all_equivalent_regions.end(); ++i) {
3091                                                 selection->add (*i);
3092                                         }
3093                                 } 
3094                         }
3095                         break;
3096                         
3097                 case Selection::Set:
3098                         if (!clicked_regionview->get_selected()) {
3099                                 selection->set (all_equivalent_regions);
3100                                 commit = true;
3101                         } else {
3102                                 /* no commit necessary: clicked on an already selected region */
3103                                 goto out;
3104                         }
3105                         break;
3106
3107                 default:
3108                         /* silly compiler */
3109                         break;
3110                 }
3111
3112         } else if (op == Selection::Extend) {
3113
3114                 list<Selectable*> results;
3115                 jack_nframes_t last_frame;
3116                 jack_nframes_t first_frame;
3117
3118                 /* 1. find the last selected regionview in the track that was clicked in */
3119
3120                 last_frame = 0;
3121                 first_frame = max_frames;
3122
3123                 for (RegionSelection::iterator x = selection->regions.begin(); x != selection->regions.end(); ++x) {
3124                         if (&(*x)->get_time_axis_view() == &clicked_regionview->get_time_axis_view()) {
3125
3126                                 if ((*x)->region()->last_frame() > last_frame) {
3127                                         last_frame = (*x)->region()->last_frame();
3128                                 }
3129
3130                                 if ((*x)->region()->first_frame() < first_frame) {
3131                                         first_frame = (*x)->region()->first_frame();
3132                                 }
3133                         }
3134                 }
3135
3136                 /* 2. figure out the boundaries for our search for new objects */
3137
3138                 switch (clicked_regionview->region()->coverage (first_frame, last_frame)) {
3139                 case OverlapNone:
3140                         cerr << "no overlap, first = " << first_frame << " last = " << last_frame << " region = " 
3141                              << clicked_regionview->region()->first_frame() << " .. " << clicked_regionview->region()->last_frame() << endl;
3142
3143                         if (last_frame < clicked_regionview->region()->first_frame()) {
3144                                 first_frame = last_frame;
3145                                 last_frame = clicked_regionview->region()->last_frame();
3146                         } else {
3147                                 last_frame = first_frame;
3148                                 first_frame = clicked_regionview->region()->first_frame();
3149                         }
3150                         break;
3151
3152                 case OverlapExternal:
3153                         cerr << "external overlap, first = " << first_frame << " last = " << last_frame << " region = " 
3154                              << clicked_regionview->region()->first_frame() << " .. " << clicked_regionview->region()->last_frame() << endl;
3155
3156                         if (last_frame < clicked_regionview->region()->first_frame()) {
3157                                 first_frame = last_frame;
3158                                 last_frame = clicked_regionview->region()->last_frame();
3159                         } else {
3160                                 last_frame = first_frame;
3161                                 first_frame = clicked_regionview->region()->first_frame();
3162                         }
3163                         break;
3164
3165                 case OverlapInternal:
3166                         cerr << "internal overlap, first = " << first_frame << " last = " << last_frame << " region = " 
3167                              << clicked_regionview->region()->first_frame() << " .. " << clicked_regionview->region()->last_frame() << endl;
3168
3169                         if (last_frame < clicked_regionview->region()->first_frame()) {
3170                                 first_frame = last_frame;
3171                                 last_frame = clicked_regionview->region()->last_frame();
3172                         } else {
3173                                 last_frame = first_frame;
3174                                 first_frame = clicked_regionview->region()->first_frame();
3175                         }
3176                         break;
3177
3178                 case OverlapStart:
3179                 case OverlapEnd:
3180                         /* nothing to do except add clicked region to selection, since it
3181                            overlaps with the existing selection in this track.
3182                         */
3183                         break;
3184                 }
3185
3186                 /* 2. find all selectable objects (regionviews in this case) between that one and the end of the
3187                       one that was clicked.
3188                 */
3189
3190                 set<AudioTimeAxisView*> relevant_tracks;
3191                 
3192                 get_relevant_audio_tracks (*clicked_audio_trackview, relevant_tracks);
3193                 
3194                 for (set<AudioTimeAxisView*>::iterator t = relevant_tracks.begin(); t != relevant_tracks.end(); ++t) {
3195                         (*t)->get_selectables (first_frame, last_frame, -1.0, -1.0, results);
3196                 }
3197                 
3198                 /* 3. convert to a vector of audio regions */
3199
3200                 vector<RegionView*> regions;
3201                 
3202                 for (list<Selectable*>::iterator x = results.begin(); x != results.end(); ++x) {
3203                         RegionView* arv;
3204
3205                         if ((arv = dynamic_cast<RegionView*>(*x)) != 0) {
3206                                 regions.push_back (arv);
3207                         }
3208                 }
3209
3210                 if (!regions.empty()) {
3211                         selection->add (regions);
3212                         commit = true;
3213                 }
3214         }
3215
3216   out:
3217         return commit;
3218 }
3219
3220 void
3221 Editor::set_selected_regionview_from_region_list (boost::shared_ptr<Region> region, Selection::Operation op)
3222 {
3223         vector<RegionView*> all_equivalent_regions;
3224
3225         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3226                 
3227                 RouteTimeAxisView* tatv;
3228                 
3229                 if ((tatv = dynamic_cast<RouteTimeAxisView*> (*i)) != 0) {
3230                         
3231                         Playlist* pl;
3232                         vector<boost::shared_ptr<Region> > results;
3233                         RegionView* marv;
3234                         boost::shared_ptr<Diskstream> ds;
3235                         
3236                         if ((ds = tatv->get_diskstream()) == 0) {
3237                                 /* bus */
3238                                 continue;
3239                         }
3240
3241                         if ((pl = dynamic_cast<Playlist*>(ds->playlist())) != 0) {
3242                                 pl->get_region_list_equivalent_regions (region, results);
3243                         }
3244                         
3245                         for (vector<boost::shared_ptr<Region> >::iterator ir = results.begin(); ir != results.end(); ++ir) {
3246                                 if ((marv = tatv->view()->find_view (*ir)) != 0) {
3247                                         all_equivalent_regions.push_back (marv);
3248                                 }
3249                         }
3250                         
3251                 }
3252         }
3253         
3254         begin_reversible_command (_("set selected regions"));
3255         
3256         switch (op) {
3257         case Selection::Toggle:
3258                 /* XXX this is not correct */
3259                 selection->toggle (all_equivalent_regions);
3260                 break;
3261         case Selection::Set:
3262                 selection->set (all_equivalent_regions);
3263                 break;
3264         case Selection::Extend:
3265                 selection->add (all_equivalent_regions);
3266                 break;
3267         }
3268
3269         commit_reversible_command () ;
3270 }
3271
3272 bool
3273 Editor::set_selected_regionview_from_map_event (GdkEventAny* ev, StreamView* sv, boost::shared_ptr<Region> r)
3274 {
3275         RegionView* rv;
3276         boost::shared_ptr<AudioRegion> ar;
3277
3278         if ((ar = boost::dynamic_pointer_cast<AudioRegion> (r)) == 0) {
3279                 return true;
3280         }
3281
3282         if ((rv = sv->find_view (ar)) == 0) {
3283                 return true;
3284         }
3285
3286         /* don't reset the selection if its something other than 
3287            a single other region.
3288         */
3289
3290         if (selection->regions.size() > 1) {
3291                 return true;
3292         }
3293         
3294         begin_reversible_command (_("set selected regions"));
3295         
3296         selection->set (rv);
3297
3298         commit_reversible_command () ;
3299
3300         return true;
3301 }
3302
3303 void
3304 Editor::set_edit_group_solo (Route& route, bool yn)
3305 {
3306         RouteGroup *edit_group;
3307
3308         if ((edit_group = route.edit_group()) != 0) {
3309                 edit_group->apply (&Route::set_solo, yn, this);
3310         } else {
3311                 route.set_solo (yn, this);
3312         }
3313 }
3314
3315 void
3316 Editor::set_edit_group_mute (Route& route, bool yn)
3317 {
3318         RouteGroup *edit_group = 0;
3319
3320         if ((edit_group == route.edit_group()) != 0) {
3321                 edit_group->apply (&Route::set_mute, yn, this);
3322         } else {
3323                 route.set_mute (yn, this);
3324         }
3325 }
3326                 
3327 void
3328 Editor::set_edit_menu (Menu& menu)
3329 {
3330         edit_menu = &menu;
3331         edit_menu->signal_map_event().connect (mem_fun(*this, &Editor::edit_menu_map_handler));
3332 }
3333
3334 bool
3335 Editor::edit_menu_map_handler (GdkEventAny* ev)
3336 {
3337         using namespace Menu_Helpers;
3338         MenuList& edit_items = edit_menu->items();
3339         string label;
3340
3341         /* Nuke all the old items */
3342                 
3343         edit_items.clear ();
3344
3345         if (session == 0) {
3346                 return false;
3347         }
3348
3349         if (session->undo_depth() == 0) {
3350                 label = _("Undo");
3351         } else {
3352                 label = string_compose(_("Undo (%1)"), session->next_undo());
3353         }
3354         
3355         edit_items.push_back (MenuElem (label, bind (mem_fun(*this, &Editor::undo), 1U)));
3356         
3357         if (session->undo_depth() == 0) {
3358                 edit_items.back().set_sensitive (false);
3359         }
3360         
3361         if (session->redo_depth() == 0) {
3362                 label = _("Redo");
3363         } else {
3364                 label = string_compose(_("Redo (%1)"), session->next_redo());
3365         }
3366         
3367         edit_items.push_back (MenuElem (label, bind (mem_fun(*this, &Editor::redo), 1U)));
3368         if (session->redo_depth() == 0) {
3369                 edit_items.back().set_sensitive (false);
3370         }
3371
3372         vector<MenuItem*> mitems;
3373
3374         edit_items.push_back (SeparatorElem());
3375         edit_items.push_back (MenuElem (_("Cut"), mem_fun(*this, &Editor::cut)));
3376         mitems.push_back (&edit_items.back());
3377         edit_items.push_back (MenuElem (_("Copy"), mem_fun(*this, &Editor::copy)));
3378         mitems.push_back (&edit_items.back());
3379         edit_items.push_back (MenuElem (_("Paste"), bind (mem_fun(*this, &Editor::paste), 1.0f)));
3380         mitems.push_back (&edit_items.back());
3381         edit_items.push_back (SeparatorElem());
3382         edit_items.push_back (MenuElem (_("Align"), bind (mem_fun(*this, &Editor::align), ARDOUR::SyncPoint)));
3383         mitems.push_back (&edit_items.back());
3384         edit_items.push_back (MenuElem (_("Align Relative"), bind (mem_fun(*this, &Editor::align_relative), ARDOUR::SyncPoint)));
3385         mitems.push_back (&edit_items.back());
3386         edit_items.push_back (SeparatorElem());
3387
3388         if (selection->empty()) {
3389                 for (vector<MenuItem*>::iterator i = mitems.begin(); i != mitems.end(); ++i) {
3390                         (*i)->set_sensitive (false);
3391                 }
3392         }
3393
3394         Menu* import_menu = manage (new Menu());
3395         import_menu->set_name ("ArdourContextMenu");
3396         MenuList& import_items = import_menu->items();
3397         
3398         import_items.push_back (MenuElem (_("... as new track"), bind (mem_fun(*this, &Editor::add_external_audio_action), ImportAsTrack)));
3399         import_items.push_back (MenuElem (_("... as new region"), bind (mem_fun(*this, &Editor::add_external_audio_action), ImportAsRegion)));
3400
3401         edit_items.push_back (MenuElem (_("Import audio (copy)"), *import_menu));
3402         edit_items.push_back (SeparatorElem());
3403
3404         edit_items.push_back (MenuElem (_("Remove last capture"), mem_fun(*this, &Editor::remove_last_capture)));
3405
3406         if (!session->have_captured()) {
3407                 edit_items.back().set_sensitive (false);
3408         }
3409
3410         return false;
3411 }
3412
3413 void
3414 Editor::duplicate_dialog (bool dup_region)
3415 {
3416         if (dup_region) {
3417                 if (clicked_regionview == 0) {
3418                         return;
3419                 }
3420         } else {
3421                 if (selection->time.length() == 0) {
3422                         return;
3423                 }
3424         }
3425
3426         ArdourDialog win ("duplicate dialog");
3427         Entry  entry;
3428         Label  label (_("Duplicate how many times?"));
3429
3430         win.get_vbox()->pack_start (label);
3431         win.add_action_widget (entry, RESPONSE_ACCEPT);
3432         win.add_button (Stock::OK, RESPONSE_ACCEPT);
3433         win.add_button (Stock::CANCEL, RESPONSE_CANCEL);
3434
3435         win.set_position (WIN_POS_MOUSE);
3436
3437         entry.set_text ("1");
3438         set_size_request_to_display_given_text (entry, X_("12345678"), 20, 15);
3439         entry.select_region (0, entry.get_text_length());
3440         entry.grab_focus ();
3441
3442
3443         switch (win.run ()) {
3444         case RESPONSE_ACCEPT:
3445                 break;
3446         default:
3447                 return;
3448         }
3449
3450         string text = entry.get_text();
3451         float times;
3452
3453         if (sscanf (text.c_str(), "%f", &times) == 1) {
3454                 if (dup_region) {
3455                         RegionSelection regions;
3456                         regions.add (clicked_regionview);
3457                         duplicate_some_regions (regions, times);
3458                 } else {
3459                         duplicate_selection (times);
3460                 }
3461         }
3462 }
3463
3464 void
3465 Editor::show_verbose_canvas_cursor ()
3466 {
3467         verbose_canvas_cursor->raise_to_top();
3468         verbose_canvas_cursor->show();
3469         verbose_cursor_visible = true;
3470 }
3471
3472 void
3473 Editor::hide_verbose_canvas_cursor ()
3474 {
3475         verbose_canvas_cursor->hide();
3476         verbose_cursor_visible = false;
3477 }
3478
3479 void
3480 Editor::set_verbose_canvas_cursor (const string & txt, double x, double y)
3481 {
3482         /* XXX get origin of canvas relative to root window,
3483            add x and y and check compared to gdk_screen_{width,height}
3484         */
3485         verbose_canvas_cursor->property_text() = txt.c_str();
3486         verbose_canvas_cursor->property_x() = x;
3487         verbose_canvas_cursor->property_y() = y;
3488 }
3489
3490 void
3491 Editor::set_verbose_canvas_cursor_text (const string & txt)
3492 {
3493         verbose_canvas_cursor->property_text() = txt.c_str();
3494 }
3495
3496 void
3497 Editor::edit_mode_selection_done ()
3498 {
3499         if (session == 0) {
3500                 return;
3501         }
3502
3503         string choice = edit_mode_selector.get_active_text();
3504         EditMode mode = Slide;
3505
3506         if (choice == _("Splice Edit")) {
3507                 mode = Splice;
3508         } else if (choice == _("Slide Edit")) {
3509                 mode = Slide;
3510         }
3511
3512         Config->set_edit_mode (mode);
3513 }       
3514
3515 void
3516 Editor::snap_type_selection_done ()
3517 {
3518         if (session == 0) {
3519                 return;
3520         }
3521
3522         string choice = snap_type_selector.get_active_text();
3523         SnapType snaptype = SnapToFrame;
3524
3525         if (choice == _("Beats/3")) {
3526                 snaptype = SnapToAThirdBeat;
3527         } else if (choice == _("Beats/4")) {
3528                 snaptype = SnapToAQuarterBeat;
3529         } else if (choice == _("Beats/8")) {
3530                 snaptype = SnapToAEighthBeat;
3531         } else if (choice == _("Beats/16")) {
3532                 snaptype = SnapToASixteenthBeat;
3533         } else if (choice == _("Beats/32")) {
3534                 snaptype = SnapToAThirtysecondBeat;
3535         } else if (choice == _("Beats")) {
3536                 snaptype = SnapToBeat;
3537         } else if (choice == _("Bars")) {
3538                 snaptype = SnapToBar;
3539         } else if (choice == _("Marks")) {
3540                 snaptype = SnapToMark;
3541         } else if (choice == _("Edit Cursor")) {
3542                 snaptype = SnapToEditCursor;
3543         } else if (choice == _("Region starts")) {
3544                 snaptype = SnapToRegionStart;
3545         } else if (choice == _("Region ends")) {
3546                 snaptype = SnapToRegionEnd;
3547         } else if (choice == _("Region bounds")) {
3548                 snaptype = SnapToRegionBoundary;
3549         } else if (choice == _("Region syncs")) {
3550                 snaptype = SnapToRegionSync;
3551         } else if (choice == _("CD Frames")) {
3552                 snaptype = SnapToCDFrame;
3553         } else if (choice == _("SMPTE Frames")) {
3554                 snaptype = SnapToSMPTEFrame;
3555         } else if (choice == _("SMPTE Seconds")) {
3556                 snaptype = SnapToSMPTESeconds;
3557         } else if (choice == _("SMPTE Minutes")) {
3558                 snaptype = SnapToSMPTEMinutes;
3559         } else if (choice == _("Seconds")) {
3560                 snaptype = SnapToSeconds;
3561         } else if (choice == _("Minutes")) {
3562                 snaptype = SnapToMinutes;
3563         } else if (choice == _("None")) {
3564                 snaptype = SnapToFrame;
3565         }
3566
3567         set_snap_to (snaptype);
3568 }       
3569
3570 void
3571 Editor::snap_mode_selection_done ()
3572 {
3573         if(session == 0) {
3574                 return;
3575         }
3576
3577         string choice = snap_mode_selector.get_active_text();
3578         SnapMode mode = SnapNormal;
3579
3580         if (choice == _("Normal Snap")) {
3581                 mode = SnapNormal;
3582         } else if (choice == _("Magnetic Snap")) {
3583                 mode = SnapMagnetic;
3584         }
3585
3586         set_snap_mode (mode);
3587 }
3588
3589 void
3590 Editor::zoom_focus_selection_done ()
3591 {
3592         if (session == 0) {
3593                 return;
3594         }
3595
3596         string choice = zoom_focus_selector.get_active_text();
3597         ZoomFocus focus_type = ZoomFocusLeft;
3598
3599         if (choice == _("Focus Left")) {
3600                 focus_type = ZoomFocusLeft;
3601         } else if (choice == _("Focus Right")) {
3602                 focus_type = ZoomFocusRight;
3603         } else if (choice == _("Focus Center")) {
3604                 focus_type = ZoomFocusCenter;
3605         } else if (choice == _("Focus Playhead")) {
3606                 focus_type = ZoomFocusPlayhead;
3607         } else if (choice == _("Focus Edit Cursor")) {
3608                 focus_type = ZoomFocusEdit;
3609         } 
3610
3611         set_zoom_focus (focus_type);
3612 }       
3613
3614 gint
3615 Editor::edit_controls_button_release (GdkEventButton* ev)
3616 {
3617         if (Keyboard::is_context_menu_event (ev)) {
3618                 ARDOUR_UI::instance()->add_route ();
3619         }
3620         return TRUE;
3621 }
3622
3623 void
3624 Editor::track_selection_changed ()
3625 {
3626         switch (selection->tracks.size()){
3627         case 0:
3628                 break;
3629         default:
3630                 set_selected_mixer_strip (*(selection->tracks.front()));
3631                 break;
3632         }
3633
3634         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3635                 (*i)->set_selected (false);
3636                 if (mouse_mode == MouseRange) {
3637                         (*i)->hide_selection ();
3638                 }
3639         }
3640
3641         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
3642                 (*i)->set_selected (true);
3643                 if (mouse_mode == MouseRange) {
3644                         (*i)->show_selection (selection->time);
3645                 }
3646         }
3647 }
3648
3649 void
3650 Editor::time_selection_changed ()
3651 {
3652         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3653                 (*i)->hide_selection ();
3654         }
3655
3656         if (selection->tracks.empty()) {
3657                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3658                         (*i)->show_selection (selection->time);
3659                 }
3660         } else {
3661                 for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
3662                         (*i)->show_selection (selection->time);
3663                 }
3664         }
3665
3666         if (selection->time.empty()) {
3667                 ActionManager::set_sensitive (ActionManager::time_selection_sensitive_actions, false);
3668         } else {
3669                 ActionManager::set_sensitive (ActionManager::time_selection_sensitive_actions, true);
3670         }
3671 }
3672
3673 void
3674 Editor::region_selection_changed ()
3675 {
3676         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3677                 (*i)->set_selected_regionviews (selection->regions);
3678         }
3679 }
3680
3681 void
3682 Editor::point_selection_changed ()
3683 {
3684         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3685                 (*i)->set_selected_points (selection->points);
3686         }
3687 }
3688
3689 gint
3690 Editor::mouse_select_button_release (GdkEventButton* ev)
3691 {
3692         /* this handles just right-clicks */
3693
3694         if (ev->button != 3) {
3695                 return FALSE;
3696         }
3697
3698         return TRUE;
3699 }
3700
3701 Editor::TrackViewList *
3702 Editor::get_valid_views (TimeAxisView* track, RouteGroup* group)
3703 {
3704         TrackViewList *v;
3705         TrackViewList::iterator i;
3706
3707         v = new TrackViewList;
3708
3709         if (track == 0 && group == 0) {
3710
3711                 /* all views */
3712
3713                 for (i = track_views.begin(); i != track_views.end (); ++i) {
3714                         v->push_back (*i);
3715                 }
3716
3717         } else if (track != 0 && group == 0 || (track != 0 && group != 0 && !group->is_active())) {
3718                 
3719                 /* just the view for this track
3720                  */
3721
3722                 v->push_back (track);
3723
3724         } else {
3725                 
3726                 /* views for all tracks in the edit group */
3727                 
3728                 for (i  = track_views.begin(); i != track_views.end (); ++i) {
3729
3730                         if (group == 0 || (*i)->edit_group() == group) {
3731                                 v->push_back (*i);
3732                         }
3733                 }
3734         }
3735         
3736         return v;
3737 }
3738
3739 void
3740 Editor::set_zoom_focus (ZoomFocus f)
3741 {
3742         vector<string> txt = internationalize (zoom_focus_strings);
3743         zoom_focus_selector.set_active_text (txt[(int)f]);
3744         
3745         if (zoom_focus != f) {
3746                 zoom_focus = f;
3747
3748                 ZoomFocusChanged (); /* EMIT_SIGNAL */
3749
3750                 instant_save ();
3751         }
3752 }
3753
3754 void
3755 Editor::ensure_float (Window& win)
3756 {
3757         win.set_transient_for (*this);
3758 }
3759
3760 void 
3761 Editor::pane_allocation_handler (Allocation &alloc, Paned* which)
3762 {
3763         /* recover or initialize pane positions. do this here rather than earlier because
3764            we don't want the positions to change the child allocations, which they seem to do.
3765          */
3766
3767         int pos;
3768         XMLProperty* prop;
3769         char buf[32];
3770         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
3771         int width, height;
3772         static int32_t done;
3773         XMLNode* geometry;
3774
3775         if ((geometry = find_named_node (*node, "geometry")) == 0) {
3776                 width = default_width;
3777                 height = default_height;
3778         } else {
3779                 width = atoi(geometry->property("x_size")->value());
3780                 height = atoi(geometry->property("y_size")->value());
3781         }
3782
3783         if (which == static_cast<Paned*> (&edit_pane)) {
3784
3785                 if (done) {
3786                         return;
3787                 }
3788
3789                 if (!geometry || (prop = geometry->property ("edit_pane_pos")) == 0) {
3790                         /* initial allocation is 90% to canvas, 10% to notebook */
3791                         pos = (int) floor (alloc.get_width() * 0.90f);
3792                         snprintf (buf, sizeof(buf), "%d", pos);
3793                 } else {
3794                         pos = atoi (prop->value());
3795                 }
3796                 
3797                 if ((done = GTK_WIDGET(edit_pane.gobj())->allocation.width > pos)) {
3798                         edit_pane.set_position (pos);
3799                         pre_maximal_pane_position = pos;
3800                 }
3801         }
3802 }
3803
3804 void
3805 Editor::detach_tearoff (Box* b, Window* w)
3806 {
3807         if (tools_tearoff->torn_off() && 
3808             mouse_mode_tearoff->torn_off()) {
3809                 top_hbox.remove (toolbar_frame);
3810         }
3811 }
3812
3813 void
3814 Editor::reattach_tearoff (Box* b, Window* w, int32_t n)
3815 {
3816         if (toolbar_frame.get_parent() == 0) {
3817                 top_hbox.pack_end (toolbar_frame);
3818         }
3819 }
3820
3821 void
3822 Editor::set_show_measures (bool yn)
3823 {
3824         if (_show_measures != yn) {
3825                 hide_measures ();
3826
3827                 if ((_show_measures = yn) == true) {
3828                         draw_measures ();
3829                 }
3830                 DisplayControlChanged (ShowMeasures);
3831                 instant_save ();
3832         }
3833 }
3834
3835 void
3836 Editor::toggle_follow_playhead ()
3837 {
3838         RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
3839         if (act) {
3840                 RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
3841                 set_follow_playhead (tact->get_active());
3842         }
3843 }
3844
3845 void
3846 Editor::set_follow_playhead (bool yn)
3847 {
3848         if (_follow_playhead != yn) {
3849                 if ((_follow_playhead = yn) == true) {
3850                         /* catch up */
3851                         update_current_screen ();
3852                 }
3853                 DisplayControlChanged (FollowPlayhead);
3854                 instant_save ();
3855         }
3856 }
3857
3858 void
3859 Editor::toggle_xfade_active (Crossfade* xfade)
3860 {
3861         xfade->set_active (!xfade->active());
3862 }
3863
3864 void
3865 Editor::toggle_xfade_length (Crossfade* xfade)
3866 {
3867         xfade->set_follow_overlap (!xfade->following_overlap());
3868 }
3869
3870 void
3871 Editor::edit_xfade (Crossfade* xfade)
3872 {
3873         CrossfadeEditor cew (*session, *xfade, xfade->fade_in().get_min_y(), 1.0);
3874                 
3875         ensure_float (cew);
3876         
3877         switch (cew.run ()) {
3878         case RESPONSE_ACCEPT:
3879                 break;
3880         default:
3881                 return;
3882         }
3883         
3884         cew.apply ();
3885         xfade->StateChanged (Change (~0));
3886 }
3887
3888 PlaylistSelector&
3889 Editor::playlist_selector () const
3890 {
3891         return *_playlist_selector;
3892 }
3893
3894 jack_nframes_t
3895 Editor::get_nudge_distance (jack_nframes_t pos, jack_nframes_t& next)
3896 {
3897         jack_nframes_t ret;
3898
3899         ret = nudge_clock.current_duration (pos);
3900         next = ret + 1; /* XXXX fix me */
3901
3902         return ret;
3903 }
3904
3905 void
3906 Editor::end_location_changed (Location* location)
3907 {
3908         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::end_location_changed), location));
3909         reset_scrolling_region ();
3910 }
3911
3912 int
3913 Editor::playlist_deletion_dialog (Playlist* pl)
3914 {
3915         ArdourDialog dialog ("playlist deletion dialog");
3916         Label  label (string_compose (_("Playlist %1 is currently unused.\n"
3917                                  "If left alone, no audio files used by it will be cleaned.\n"
3918                                  "If deleted, audio files used by it alone by will cleaned."),
3919                                pl->name()));
3920
3921         dialog.set_position (WIN_POS_CENTER);
3922         dialog.get_vbox()->pack_start (label);
3923
3924         dialog.add_button (_("Delete playlist"), RESPONSE_ACCEPT);
3925         dialog.add_button (_("Keep playlist"), RESPONSE_CANCEL);
3926         dialog.add_button (_("Cancel"), RESPONSE_CANCEL);
3927
3928         switch (dialog.run ()) {
3929         case RESPONSE_ACCEPT:
3930                 /* delete the playlist */
3931                 return 0;
3932                 break;
3933
3934         case RESPONSE_REJECT:
3935                 /* keep the playlist */
3936                 return 1;
3937                 break;
3938
3939         default:
3940                 break;
3941         }
3942
3943         return -1;
3944 }
3945
3946 bool
3947 Editor::audio_region_selection_covers (jack_nframes_t where)
3948 {
3949         for (RegionSelection::iterator a = selection->regions.begin(); a != selection->regions.end(); ++a) {
3950                 if ((*a)->region()->covers (where)) {
3951                         return true;
3952                 }
3953         }
3954
3955         return false;
3956 }
3957
3958 void
3959 Editor::prepare_for_cleanup ()
3960 {
3961         cut_buffer->clear_regions ();
3962         cut_buffer->clear_playlists ();
3963
3964         selection->clear_regions ();
3965         selection->clear_playlists ();
3966 }
3967
3968 Location*
3969 Editor::transport_loop_location()
3970 {
3971         if (session) {
3972                 return session->locations()->auto_loop_location();
3973         } else {
3974                 return 0;
3975         }
3976 }
3977
3978 Location*
3979 Editor::transport_punch_location()
3980 {
3981         if (session) {
3982                 return session->locations()->auto_punch_location();
3983         } else {
3984                 return 0;
3985         }
3986 }
3987
3988 bool
3989 Editor::control_layout_scroll (GdkEventScroll* ev)
3990 {
3991         switch (ev->direction) {
3992         case GDK_SCROLL_UP:
3993                 scroll_tracks_up_line ();
3994                 return true;
3995                 break;
3996
3997         case GDK_SCROLL_DOWN:
3998                 scroll_tracks_down_line ();
3999                 return true;
4000                 
4001         default:
4002                 /* no left/right handling yet */
4003                 break;
4004         }
4005
4006         return false;
4007 }
4008
4009 void
4010 Editor::snapshot_display_selection_changed ()
4011 {
4012         if (snapshot_display.get_selection()->count_selected_rows() > 0) {
4013
4014                 TreeModel::iterator i = snapshot_display.get_selection()->get_selected();
4015                 
4016                 Glib::ustring snap_name = (*i)[snapshot_display_columns.real_name];
4017
4018                 if (snap_name.length() == 0) {
4019                         return;
4020                 }
4021                 
4022                 if (session->snap_name() == snap_name) {
4023                         return;
4024                 }
4025                 
4026                 ARDOUR_UI::instance()->load_session(session->path(), string (snap_name));
4027         }
4028 }
4029
4030 bool
4031 Editor::snapshot_display_button_press (GdkEventButton* ev)
4032 {
4033          return false;
4034 }
4035
4036 void
4037 Editor::redisplay_snapshots ()
4038 {
4039         if (session == 0) {
4040                 return;
4041         }
4042
4043         vector<string*>* states;
4044
4045         if ((states = session->possible_states()) == 0) {
4046                 return;
4047         }
4048
4049         snapshot_display_model->clear ();
4050
4051         for (vector<string*>::iterator i = states->begin(); i != states->end(); ++i) {
4052                 string statename = *(*i);
4053                 TreeModel::Row row = *(snapshot_display_model->append());
4054                 row[snapshot_display_columns.visible_name] = statename;
4055                 row[snapshot_display_columns.real_name] = statename;
4056         }
4057
4058         delete states;
4059 }
4060
4061 void
4062 Editor::session_state_saved (string snap_name)
4063 {
4064         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::session_state_saved), snap_name));
4065         redisplay_snapshots ();
4066 }
4067
4068 void
4069 Editor::maximise_editing_space ()
4070 {
4071         mouse_mode_tearoff->set_visible (false);
4072         tools_tearoff->set_visible (false);
4073
4074         pre_maximal_pane_position = edit_pane.get_position();
4075         edit_pane.set_position (edit_pane.get_width());
4076
4077         fullscreen();
4078 }
4079
4080 void
4081 Editor::restore_editing_space ()
4082 {
4083         mouse_mode_tearoff->set_visible (true);
4084         tools_tearoff->set_visible (true);
4085
4086         edit_pane.set_position (pre_maximal_pane_position);
4087
4088         unfullscreen();
4089 }
4090
4091 void 
4092 Editor::new_playlists ()
4093 {
4094         begin_reversible_command (_("new playlists"));
4095         mapover_audio_tracks (mem_fun (*this, &Editor::mapped_use_new_playlist));
4096         commit_reversible_command ();
4097 }
4098
4099 void
4100 Editor::copy_playlists ()
4101 {
4102         begin_reversible_command (_("copy playlists"));
4103         mapover_audio_tracks (mem_fun (*this, &Editor::mapped_use_copy_playlist));
4104         commit_reversible_command ();
4105 }
4106
4107 void 
4108 Editor::clear_playlists ()
4109 {
4110         begin_reversible_command (_("clear playlists"));
4111         mapover_audio_tracks (mem_fun (*this, &Editor::mapped_clear_playlist));
4112         commit_reversible_command ();
4113 }
4114
4115 void 
4116 Editor::mapped_use_new_playlist (AudioTimeAxisView& atv, uint32_t sz)
4117 {
4118         atv.use_new_playlist (sz > 1 ? false : true);
4119 }
4120
4121 void
4122 Editor::mapped_use_copy_playlist (AudioTimeAxisView& atv, uint32_t sz)
4123 {
4124         atv.use_copy_playlist (sz > 1 ? false : true);
4125 }
4126
4127 void 
4128 Editor::mapped_clear_playlist (AudioTimeAxisView& atv, uint32_t sz)
4129 {
4130         atv.clear_playlist ();
4131 }
4132
4133 bool
4134 Editor::on_key_press_event (GdkEventKey* ev)
4135 {
4136         return key_press_focus_accelerator_handler (*this, ev);
4137 }
4138
4139 void
4140 Editor::update_smpte_mode ()
4141 {
4142         ENSURE_GUI_THREAD(mem_fun(*this, &Editor::update_smpte_mode));
4143
4144         RefPtr<Action> act;
4145
4146         float frames = Config->get_smpte_frames_per_second();
4147         bool drop = Config->get_smpte_drop_frames();
4148
4149         if ((frames < 23.976 * 1.0005) && !drop)
4150                 act = ActionManager::get_action (X_("Editor"), X_("Smpte23976"));
4151         else if ((frames < 24 * 1.0005) && !drop)
4152                 act = ActionManager::get_action (X_("Editor"), X_("Smpte24"));
4153         else if ((frames < 24.976 * 1.0005) && !drop)
4154                 act = ActionManager::get_action (X_("Editor"), X_("Smpte24976"));
4155         else if ((frames < 25 * 1.0005) && !drop)
4156                 act = ActionManager::get_action (X_("Editor"), X_("Smpte25"));
4157         else if ((frames < 29.97 * 1.0005) && !drop)
4158                 act = ActionManager::get_action (X_("Editor"), X_("Smpte2997"));
4159         else if ((frames < 29.97 * 1.0005) && drop)
4160                 act = ActionManager::get_action (X_("Editor"), X_("Smpte2997drop"));
4161         else if ((frames < 30 * 1.0005) && !drop)
4162                 act = ActionManager::get_action (X_("Editor"), X_("Smpte30"));
4163         else if ((frames < 30 * 1.0005) && drop)
4164                 act = ActionManager::get_action (X_("Editor"), X_("Smpte30drop"));
4165         else if ((frames < 59.94 * 1.0005) && !drop)
4166                 act = ActionManager::get_action (X_("Editor"), X_("Smpte5994"));
4167         else if ((frames < 60 * 1.0005) && !drop)
4168                 act = ActionManager::get_action (X_("Editor"), X_("Smpte60"));
4169         else
4170                 cerr << "Unexpected SMPTE value (" << frames << (drop ? "drop" : "") << ") in update_smpte_mode.  Menu is probably wrong\n" << endl;
4171                 
4172
4173         if (act) {
4174                 RefPtr<RadioAction> ract = RefPtr<RadioAction>::cast_dynamic(act);
4175                 if (ract && !ract->get_active()) {
4176                         ract->set_active (true);
4177                 }
4178         }
4179 }
4180
4181 void
4182 Editor::update_video_pullup ()
4183 {
4184         ENSURE_GUI_THREAD (mem_fun(*this, &Editor::update_video_pullup));
4185
4186         RefPtr<Action> act;
4187
4188         float pullup = Config->get_video_pullup();
4189
4190         if ( pullup < (-4.1667 - 0.1) * 0.99) {
4191                 act = ActionManager::get_action (X_("Editor"), X_("PullupMinus4Minus1"));
4192         } else if ( pullup < (-4.1667) * 0.99 ) {
4193                 act = ActionManager::get_action (X_("Editor"), X_("PullupMinus4"));
4194         } else if ( pullup < (-4.1667 + 0.1) * 0.99 ) {
4195                 act = ActionManager::get_action (X_("Editor"), X_("PullupMinus4Plus1"));
4196         } else if ( pullup < (-0.1) * 0.99 ) {
4197                 act = ActionManager::get_action (X_("Editor"), X_("PullupMinus1"));
4198         } else if (pullup > (4.1667 + 0.1) * 0.99 ) {
4199                 act = ActionManager::get_action (X_("Editor"), X_("PullupPlus4Plus1"));
4200         } else if ( pullup > (4.1667) * 0.99 ) {
4201                 act = ActionManager::get_action (X_("Editor"), X_("PullupPlus4"));
4202         } else if ( pullup > (4.1667 - 0.1) * 0.99) {
4203                 act = ActionManager::get_action (X_("Editor"), X_("PullupPlus4Minus1"));
4204         } else if ( pullup > (0.1) * 0.99 ) {
4205                 act = ActionManager::get_action (X_("Editor"), X_("PullupPlus1"));
4206         } else
4207                 act = ActionManager::get_action (X_("Editor"), X_("PullupNone"));
4208
4209
4210         if (act) {
4211                 RefPtr<RadioAction> ract = RefPtr<RadioAction>::cast_dynamic(act);
4212                 if (ract && !ract->get_active()) {
4213                         ract->set_active (true);
4214                 }
4215         }
4216
4217 }
4218
4219
4220 void
4221 Editor::update_layering_model ()
4222 {
4223         RefPtr<Action> act;
4224
4225         switch (Config->get_layer_model()) {
4226         case LaterHigher:
4227                 act = ActionManager::get_action (X_("Editor"), X_("LayerLaterHigher"));
4228                 break;
4229         case MoveAddHigher:
4230                 act = ActionManager::get_action (X_("Editor"), X_("LayerMoveAddHigher"));
4231                 break;
4232         case AddHigher:
4233                 act = ActionManager::get_action (X_("Editor"), X_("LayerAddHigher"));
4234                 break;
4235         }
4236
4237         if (act) {
4238                 RefPtr<RadioAction> ract = RefPtr<RadioAction>::cast_dynamic(act);
4239                 if (ract && !ract->get_active()) {
4240                         ract->set_active (true);
4241                 }
4242         }
4243 }
4244
4245 void
4246 Editor::update_crossfade_model ()
4247 {
4248         RefPtr<Action> act;
4249
4250         switch (Config->get_xfade_model()) {
4251         case FullCrossfade:
4252                 act = ActionManager::get_action (X_("Editor"), X_("CrossfadesFull"));
4253                 break;
4254         case ShortCrossfade:
4255                 act = ActionManager::get_action (X_("Editor"), X_("CrossfadesShort"));
4256                 break;
4257         }
4258
4259         if (act) {
4260                 RefPtr<RadioAction> ract = RefPtr<RadioAction>::cast_dynamic(act);
4261                 if (ract && !ract->get_active()) {
4262                         ract->set_active (true);
4263                 }
4264         }
4265 }
4266