fix xfade logic and use shared_ptr for xfades
[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 "audio_time_axis.h"
66 #include "utils.h"
67 #include "crossfade_view.h"
68 #include "editing.h"
69 #include "public_editor.h"
70 #include "crossfade_edit.h"
71 #include "audio_time_axis.h"
72 #include "canvas_impl.h"
73 #include "actions.h"
74 #include "gui_thread.h"
75
76 #ifdef FFT_ANALYSIS
77 #include "analysis_window.h"
78 #endif
79
80 #include "i18n.h"
81
82 /* <CMT Additions> */
83 #include "imageframe_socket_handler.h"
84 /* </CMT Additions> */
85
86 using namespace std;
87 using namespace sigc;
88 using namespace ARDOUR;
89 using namespace PBD;
90 using namespace Gtk;
91 using namespace Glib;
92 using namespace Gtkmm2ext;
93 using namespace Editing;
94
95 using PBD::atoi;
96
97 const double Editor::timebar_height = 15.0;
98
99 #include "editor_xpms"
100
101 static const gchar *_snap_type_strings[] = {
102         N_("None"),
103         N_("CD Frames"),
104         N_("SMPTE Frames"),
105         N_("SMPTE Seconds"),
106         N_("SMPTE Minutes"),
107         N_("Seconds"),
108         N_("Minutes"),
109         N_("Beats/32"),
110         N_("Beats/16"),
111         N_("Beats/8"),
112         N_("Beats/4"),
113         N_("Beats/3"),
114         N_("Beats"),
115         N_("Bars"),
116         N_("Marks"),
117         N_("Edit Cursor"),
118         N_("Region starts"),
119         N_("Region ends"),
120         N_("Region syncs"),
121         N_("Region bounds"),
122         0
123 };
124
125 static const gchar *_snap_mode_strings[] = {
126         N_("Normal"),
127         N_("Magnetic"),
128         0
129 };
130
131 static const gchar *_zoom_focus_strings[] = {
132         N_("Left"),
133         N_("Right"),
134         N_("Center"),
135         N_("Playhead"),
136         N_("Edit Cursor"),
137         0
138 };
139
140 /* Soundfile  drag-n-drop */
141
142 Gdk::Cursor* Editor::cross_hair_cursor = 0;
143 Gdk::Cursor* Editor::selector_cursor = 0;
144 Gdk::Cursor* Editor::trimmer_cursor = 0;
145 Gdk::Cursor* Editor::grabber_cursor = 0;
146 Gdk::Cursor* Editor::zoom_cursor = 0;
147 Gdk::Cursor* Editor::time_fx_cursor = 0;
148 Gdk::Cursor* Editor::fader_cursor = 0;
149 Gdk::Cursor* Editor::speaker_cursor = 0;
150 Gdk::Cursor* Editor::wait_cursor = 0;
151 Gdk::Cursor* Editor::timebar_cursor = 0;
152
153 void
154 show_me_the_size (Requisition* r, const char* what)
155 {
156         cerr << "size of " << what << " = " << r->width << " x " << r->height << endl;
157 }
158
159 void 
160 check_adjustment (Gtk::Adjustment* adj)
161 {
162         cerr << "CHANGE adj  = " 
163              << adj->get_lower () <<  ' '
164              << adj->get_upper () <<  ' '
165              << adj->get_value () <<  ' '
166              << adj->get_step_increment () <<  ' '
167              << adj->get_page_increment () <<  ' '
168              << adj->get_page_size () <<  ' '
169              << endl;
170
171 }
172
173 Editor::Editor (AudioEngine& eng) 
174         : engine (eng),
175
176           /* time display buttons */
177
178           minsec_label (_("Mins:Secs")),
179           bbt_label (_("Bars:Beats")),
180           smpte_label (_("Timecode")),
181           frame_label (_("Frames")),
182           tempo_label (_("Tempo")),
183           meter_label (_("Meter")),
184           mark_label (_("Location Markers")),
185           range_mark_label (_("Range Markers")),
186           transport_mark_label (_("Loop/Punch Ranges")),
187
188           edit_packer (3, 3, false),
189
190           /* the values here don't matter: layout widgets
191              reset them as needed.
192           */
193
194           vertical_adjustment (0.0, 0.0, 10.0, 400.0),
195           horizontal_adjustment (0.0, 0.0, 20.0, 1200.0),
196
197           /* tool bar related */
198
199           edit_cursor_clock (X_("editcursor"), false, X_("EditCursorClock"), true),
200           zoom_range_clock (X_("zoomrange"), false, X_("ZoomRangeClock"), true, true),
201           
202           toolbar_selection_clock_table (2,3),
203           
204           automation_mode_button (_("mode")),
205           global_automation_button (_("automation")),
206
207           /* <CMT Additions> */
208           image_socket_listener(0),
209           /* </CMT Additions> */
210
211           /* nudge */
212
213           nudge_clock (X_("nudge"), false, X_("NudgeClock"), true, true)
214
215 {
216         constructed = false;
217
218         /* we are a singleton */
219
220         PublicEditor::_instance = this;
221
222         session = 0;
223
224         selection = new Selection;
225         cut_buffer = new Selection;
226
227         selection->TimeChanged.connect (mem_fun(*this, &Editor::time_selection_changed));
228         selection->TracksChanged.connect (mem_fun(*this, &Editor::track_selection_changed));
229         selection->RegionsChanged.connect (mem_fun(*this, &Editor::region_selection_changed));
230         selection->PointsChanged.connect (mem_fun(*this, &Editor::point_selection_changed));
231
232         clicked_regionview = 0;
233         clicked_trackview = 0;
234         clicked_audio_trackview = 0;
235         clicked_crossfadeview = 0;
236         clicked_control_point = 0;
237         latest_regionview = 0;
238         last_update_frame = 0;
239         drag_info.item = 0;
240         current_mixer_strip = 0;
241         current_bbt_points = 0;
242
243         snap_type_strings = I18N (_snap_type_strings);
244         snap_mode_strings = I18N (_snap_mode_strings);
245         zoom_focus_strings = I18N(_zoom_focus_strings);
246
247         snap_type = SnapToFrame;
248         set_snap_to (snap_type);
249         snap_mode = SnapNormal;
250         set_snap_mode (snap_mode);
251         snap_threshold = 5.0;
252         bbt_beat_subdivision = 4;
253         canvas_width = 0;
254         canvas_height = 0;
255         autoscroll_active = false;
256         autoscroll_timeout_tag = -1;
257         interthread_progress_window = 0;
258
259 #ifdef FFT_ANALYSIS
260         analysis_window = 0;
261 #endif
262
263         current_interthread_info = 0;
264         _show_measures = true;
265         _show_waveforms = true;
266         _show_waveforms_recording = true;
267         first_action_message = 0;
268         export_dialog = 0;
269         show_gain_after_trim = false;
270         ignore_route_list_reorder = false;
271         no_route_list_redisplay = false;
272         verbose_cursor_on = true;
273         route_removal = false;
274         track_spacing = 0;
275         show_automatic_regions_in_region_list = true;
276         region_list_sort_type = (Editing::RegionListSortType) 0; 
277         have_pending_keyboard_selection = false;
278         _follow_playhead = true;
279         _xfade_visibility = true;
280         editor_ruler_menu = 0;
281         no_ruler_shown_update = false;
282         edit_group_list_menu = 0;
283         route_list_menu = 0;
284         region_list_menu = 0;
285         marker_menu = 0;
286         start_end_marker_menu = 0;
287         range_marker_menu = 0;
288         marker_menu_item = 0;
289         tm_marker_menu = 0;
290         transport_marker_menu = 0;
291         new_transport_marker_menu = 0;
292         editor_mixer_strip_width = Wide;
293         show_editor_mixer_when_tracks_arrive = false;
294         repos_zoom_queued = false;
295         region_edit_menu_split_item = 0;
296         temp_location = 0;
297         region_edit_menu_split_multichannel_item = 0;
298         leftmost_frame = 0;
299         ignore_mouse_mode_toggle = false;
300         current_stepping_trackview = 0;
301         entered_track = 0;
302         entered_regionview = 0;
303         clear_entered_track = false;
304         _new_regionviews_show_envelope = false;
305         current_timestretch = 0;
306         in_edit_group_row_change = false;
307         last_canvas_frame = 0;
308         edit_cursor = 0;
309         playhead_cursor = 0;
310         button_release_can_deselect = true;
311         canvas_idle_queued = false;
312         _dragging_playhead = false;
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 (zoom_box,                1, 2, 2, 3,    FILL,         FILL, 0, 0);
449         edit_packer.attach (edit_hscrollbar,         2, 3, 2, 3,    FILL|EXPAND,  FILL, 0, 0);
450
451         bottom_hbox.set_border_width (2);
452         bottom_hbox.set_spacing (3);
453
454         route_display_model = ListStore::create(route_display_columns);
455         route_list_display.set_model (route_display_model);
456         route_list_display.append_column (_("Show"), route_display_columns.visible);
457         route_list_display.append_column (_("Name"), route_display_columns.text);
458         route_list_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
459         route_list_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
460         route_list_display.set_headers_visible (true);
461         route_list_display.set_name ("TrackListDisplay");
462         route_list_display.get_selection()->set_mode (SELECTION_NONE);
463         route_list_display.set_reorderable (true);
464         route_list_display.set_size_request (100,-1);
465
466         CellRendererToggle* route_list_visible_cell = dynamic_cast<CellRendererToggle*>(route_list_display.get_column_cell_renderer (0));
467         route_list_visible_cell->property_activatable() = true;
468         route_list_visible_cell->property_radio() = false;
469         
470         route_display_model->signal_row_deleted().connect (mem_fun (*this, &Editor::route_list_delete));
471         route_display_model->signal_row_changed().connect (mem_fun (*this, &Editor::route_list_change));
472
473         route_list_display.signal_button_press_event().connect (mem_fun (*this, &Editor::route_list_display_button_press), false);
474
475         route_list_scroller.add (route_list_display);
476         route_list_scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
477
478         group_model = ListStore::create(group_columns);
479         edit_group_display.set_model (group_model);
480         edit_group_display.append_column (_("Name"), group_columns.text);
481         edit_group_display.append_column (_("Active"), group_columns.is_active);
482         edit_group_display.append_column (_("Show"), group_columns.is_visible);
483         edit_group_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
484         edit_group_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
485         edit_group_display.get_column (2)->set_data (X_("colnum"), GUINT_TO_POINTER(2));
486         edit_group_display.get_column (0)->set_expand (true);
487         edit_group_display.get_column (1)->set_expand (false);
488         edit_group_display.get_column (2)->set_expand (false);
489         edit_group_display.set_headers_visible (true);
490
491         /* name is directly editable */
492
493         CellRendererText* name_cell = dynamic_cast<CellRendererText*>(edit_group_display.get_column_cell_renderer (0));
494         name_cell->property_editable() = true;
495         name_cell->signal_edited().connect (mem_fun (*this, &Editor::edit_group_name_edit));
496
497         /* use checkbox for the active + visible columns */
498
499         CellRendererToggle* active_cell = dynamic_cast<CellRendererToggle*>(edit_group_display.get_column_cell_renderer (1));
500         active_cell->property_activatable() = true;
501         active_cell->property_radio() = false;
502
503         active_cell = dynamic_cast<CellRendererToggle*>(edit_group_display.get_column_cell_renderer (1));
504         active_cell->property_activatable() = true;
505         active_cell->property_radio() = false;
506
507         edit_group_display.set_name ("EditGroupList");
508
509         group_model->signal_row_changed().connect (mem_fun (*this, &Editor::edit_group_row_change));
510
511         edit_group_display.set_name ("EditGroupList");
512         edit_group_display.get_selection()->set_mode (SELECTION_SINGLE);
513         edit_group_display.set_reorderable (false);
514         edit_group_display.set_rules_hint (true);
515         edit_group_display.set_size_request (75, -1);
516
517         edit_group_display_scroller.add (edit_group_display);
518         edit_group_display_scroller.set_policy (POLICY_AUTOMATIC, POLICY_AUTOMATIC);
519
520         edit_group_display.signal_button_press_event().connect (mem_fun(*this, &Editor::edit_group_list_button_press_event), false);
521
522         VBox* edit_group_display_packer = manage (new VBox());
523         HBox* edit_group_display_button_box = manage (new HBox());
524         edit_group_display_button_box->set_homogeneous (true);
525
526         Button* edit_group_add_button = manage (new Button ());
527         Button* edit_group_remove_button = manage (new Button ());
528
529         Widget* w;
530
531         w = manage (new Image (Stock::ADD, ICON_SIZE_BUTTON));
532         w->show();
533         edit_group_add_button->add (*w);
534
535         w = manage (new Image (Stock::REMOVE, ICON_SIZE_BUTTON));
536         w->show();
537         edit_group_remove_button->add (*w);
538
539         edit_group_add_button->signal_clicked().connect (mem_fun (*this, &Editor::new_edit_group));
540         edit_group_remove_button->signal_clicked().connect (mem_fun (*this, &Editor::remove_selected_edit_group));
541         
542         edit_group_display_button_box->pack_start (*edit_group_add_button);
543         edit_group_display_button_box->pack_start (*edit_group_remove_button);
544
545         edit_group_display_packer->pack_start (edit_group_display_scroller, true, true);
546         edit_group_display_packer->pack_start (*edit_group_display_button_box, false, false);
547
548         region_list_display.set_size_request (100, -1);
549         region_list_display.set_name ("RegionListDisplay");
550
551         region_list_model = TreeStore::create (region_list_columns);
552         region_list_model->set_sort_func (0, mem_fun (*this, &Editor::region_list_sorter));
553         region_list_model->set_sort_column (0, SORT_ASCENDING);
554
555         region_list_display.set_model (region_list_model);
556         region_list_display.append_column (_("Regions"), region_list_columns.name);
557         region_list_display.set_headers_visible (false);
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_release_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         post_maximal_editor_width = 0;
644         post_maximal_pane_position = 0;
645         edit_pane.pack1 (edit_packer, true, true);
646         edit_pane.pack2 (the_notebook, false, true);
647         
648         edit_pane.signal_size_allocate().connect (bind (mem_fun(*this, &Editor::pane_allocation_handler), static_cast<Paned*> (&edit_pane)));
649
650         top_hbox.pack_start (toolbar_frame, true, true);
651
652         HBox *hbox = manage (new HBox);
653         hbox->pack_start (edit_pane, true, true);
654
655         global_vpacker.pack_start (top_hbox, false, false);
656         global_vpacker.pack_start (*hbox, true, true);
657
658         global_hpacker.pack_start (global_vpacker, true, true);
659
660         set_name ("EditorWindow");
661         add_accel_group (ActionManager::ui_manager->get_accel_group());
662
663         vpacker.pack_end (global_hpacker, true, true);
664
665         /* register actions now so that set_state() can find them and set toggles/checks etc */
666         
667         register_actions ();
668         
669         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
670         set_state (*node);
671
672         _playlist_selector = new PlaylistSelector();
673         _playlist_selector->signal_delete_event().connect (bind (sigc::ptr_fun (just_hide_it), static_cast<Window *> (_playlist_selector)));
674
675         RegionView::RegionViewGoingAway.connect (mem_fun(*this, &Editor::catch_vanishing_regionview));
676
677         /* nudge stuff */
678
679         nudge_forward_button.add (*(manage (new Image (::get_icon("nudge_right")))));
680         nudge_backward_button.add (*(manage (new Image (::get_icon("nudge_left")))));
681
682         ARDOUR_UI::instance()->tooltips().set_tip (nudge_forward_button, _("Nudge Region/Selection Forwards"));
683         ARDOUR_UI::instance()->tooltips().set_tip (nudge_backward_button, _("Nudge Region/Selection Backwards"));
684
685         nudge_forward_button.set_name ("TransportButton");
686         nudge_backward_button.set_name ("TransportButton");
687
688         fade_context_menu.set_name ("ArdourContextMenu");
689
690         /* icons, titles, WM stuff */
691
692         list<Glib::RefPtr<Gdk::Pixbuf> > window_icons;
693         Glib::RefPtr<Gdk::Pixbuf> icon;
694
695         if ((icon = ::get_icon ("ardour_icon_16px")) != 0) {
696                 window_icons.push_back (icon);
697         }
698         if ((icon = ::get_icon ("ardour_icon_22px")) != 0) {
699                 window_icons.push_back (icon);
700         }
701         if ((icon = ::get_icon ("ardour_icon_32px")) != 0) {
702                 window_icons.push_back (icon);
703         }
704         if ((icon = ::get_icon ("ardour_icon_48px")) != 0) {
705                 window_icons.push_back (icon);
706         }
707         if (!window_icons.empty()) {
708                 set_icon_list (window_icons);
709                 set_default_icon_list (window_icons);
710         }
711         set_title (_("ardour: editor"));
712         set_wmclass (X_("ardour_editor"), "Ardour");
713
714         add (vpacker);
715         add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK);
716
717         signal_configure_event().connect (mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::configure_handler));
718         signal_delete_event().connect (mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::exit_on_main_window_close));
719
720         /* allow external control surfaces/protocols to do various things */
721
722         ControlProtocol::ZoomToSession.connect (mem_fun (*this, &Editor::temporal_zoom_session));
723         ControlProtocol::ZoomIn.connect (bind (mem_fun (*this, &Editor::temporal_zoom_step), false));
724         ControlProtocol::ZoomOut.connect (bind (mem_fun (*this, &Editor::temporal_zoom_step), true));
725         ControlProtocol::ScrollTimeline.connect (mem_fun (*this, &Editor::control_scroll));
726
727         Config->ParameterChanged.connect (mem_fun (*this, &Editor::parameter_changed));
728
729         constructed = true;
730         instant_save ();
731 }
732
733 Editor::~Editor()
734 {
735         /* <CMT Additions> */
736         if(image_socket_listener)
737         {
738                 if(image_socket_listener->is_connected())
739                 {
740                         image_socket_listener->close_connection() ;
741                 }
742                 
743                 delete image_socket_listener ;
744                 image_socket_listener = 0 ;
745         }
746         /* </CMT Additions> */
747 }
748
749 void
750 Editor::add_toplevel_controls (Container& cont)
751 {
752         vpacker.pack_start (cont, false, false);
753         cont.show_all ();
754 }
755
756 void
757 Editor::catch_vanishing_regionview (RegionView *rv)
758 {
759         /* note: the selection will take care of the vanishing
760            audioregionview by itself.
761         */
762
763         if (clicked_regionview == rv) {
764                 clicked_regionview = 0;
765         }
766
767         if (entered_regionview == rv) {
768                 set_entered_regionview (0);
769         }
770 }
771
772 void
773 Editor::set_entered_regionview (RegionView* rv)
774 {
775         if (rv == entered_regionview) {
776                 return;
777         }
778
779         if (entered_regionview) {
780                 entered_regionview->exited ();
781         }
782
783         if ((entered_regionview = rv) != 0) {
784                 entered_regionview->entered ();
785         }
786 }
787
788 void
789 Editor::set_entered_track (TimeAxisView* tav)
790 {
791         if (entered_track) {
792                 entered_track->exited ();
793         }
794
795         if ((entered_track = tav) != 0) {
796                 entered_track->entered ();
797         }
798 }
799
800 void
801 Editor::show_window ()
802 {
803         show_all ();
804         present ();
805
806         /* now reset all audio_time_axis heights, because widgets might need
807            to be re-hidden
808         */
809         
810         TimeAxisView *tv;
811         
812         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
813                 tv = (static_cast<TimeAxisView*>(*i));
814                 tv->reset_height ();
815         }
816 }
817
818 void
819 Editor::tie_vertical_scrolling ()
820 {
821         double y1 = vertical_adjustment.get_value();
822         controls_layout.get_vadjustment()->set_value (y1);
823         playhead_cursor->set_y_axis(y1);
824         edit_cursor->set_y_axis(y1);
825 }
826
827 void
828 Editor::set_frames_per_unit (double fpu)
829 {
830         nframes_t frames;
831
832         if (fpu == frames_per_unit) {
833                 return;
834         }
835
836         if (fpu < 2.0) {
837                 fpu = 2.0;
838         }
839
840         // convert fpu to frame count
841
842         frames = (nframes_t) floor (fpu * canvas_width);
843         
844         /* don't allow zooms that fit more than the maximum number
845            of frames into an 800 pixel wide space.
846         */
847
848         if (max_frames / fpu < 800.0) {
849                 return;
850         }
851
852         if (fpu == frames_per_unit) {
853                 return;
854         }
855
856         frames_per_unit = fpu;
857
858         if (frames != zoom_range_clock.current_duration()) {
859                 zoom_range_clock.set (frames);
860         }
861
862         if (mouse_mode == MouseRange && selection->time.start () != selection->time.end_frame ()) {
863                 if (!selection->tracks.empty()) {
864                         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
865                                 (*i)->reshow_selection (selection->time);
866                         }
867                 } else {
868                         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
869                                 (*i)->reshow_selection (selection->time);
870                         }
871                 }
872         }
873
874         ZoomChanged (); /* EMIT_SIGNAL */
875
876         reset_hscrollbar_stepping ();
877         reset_scrolling_region ();
878         
879         if (edit_cursor) edit_cursor->set_position (edit_cursor->current_frame);
880         if (playhead_cursor) playhead_cursor->set_position (playhead_cursor->current_frame);
881
882         instant_save ();
883
884 }
885
886 void
887 Editor::instant_save ()
888 {
889         if (!constructed || !ARDOUR_UI::instance()->session_loaded) {
890                 return;
891         }
892
893         if (session) {
894                 session->add_instant_xml(get_state(), session->path());
895         } else {
896                 Config->add_instant_xml(get_state(), get_user_ardour_path());
897         }
898 }
899
900 void
901 Editor::reposition_x_origin (nframes_t frame)
902 {
903         if (frame != leftmost_frame) {
904                 leftmost_frame = frame;
905                 
906                 nframes_t rightmost_frame = leftmost_frame + current_page_frames ();
907
908                 if (rightmost_frame > last_canvas_frame) {
909                         last_canvas_frame = rightmost_frame;
910                         reset_scrolling_region ();
911                 }
912
913                 horizontal_adjustment.set_value (frame/frames_per_unit);
914         } else {
915                 update_fixed_rulers();
916                 tempo_map_changed (Change (0));
917         }
918 }
919
920 void
921 Editor::edit_cursor_clock_changed()
922 {
923         if (edit_cursor->current_frame != edit_cursor_clock.current_time()) {
924                 edit_cursor->set_position (edit_cursor_clock.current_time());
925         }
926 }
927
928
929 void
930 Editor::zoom_adjustment_changed ()
931 {
932         if (session == 0) {
933                 return;
934         }
935
936         double fpu = zoom_range_clock.current_duration() / canvas_width;
937
938         if (fpu < 1.0) {
939                 fpu = 1.0;
940                 zoom_range_clock.set ((nframes_t) floor (fpu * canvas_width));
941         } else if (fpu > session->current_end_frame() / canvas_width) {
942                 fpu = session->current_end_frame() / canvas_width;
943                 zoom_range_clock.set ((nframes_t) floor (fpu * canvas_width));
944         }
945         
946         temporal_zoom (fpu);
947 }
948
949 void
950 Editor::control_scroll (float fraction)
951 {
952         ENSURE_GUI_THREAD(bind (mem_fun (*this, &Editor::control_scroll), fraction));
953
954         if (!session) {
955                 return;
956         }
957
958         double step = fraction * current_page_frames();
959         nframes_t target;
960
961         if ((fraction < 0.0f) && (session->transport_frame() < (nframes_t) fabs(step))) {
962                 target = 0;
963         } else if ((fraction > 0.0f) && (max_frames - session->transport_frame() < step)) {
964                 target = (max_frames - (current_page_frames()*2)); // allow room for slop in where the PH is on the screen
965         } else {
966                 target = (session->transport_frame() + (nframes_t) floor ((fraction * current_page_frames())));
967         }
968
969         /* move visuals, we'll catch up with it later */
970
971         playhead_cursor->set_position (target);
972
973         if (target > (current_page_frames() / 2)) {
974                 /* try to center PH in window */
975                 reposition_x_origin (target - (current_page_frames()/2));
976         } else {
977                 reposition_x_origin (0);
978         }
979
980         /* cancel the existing */
981
982         control_scroll_connection.disconnect ();
983
984         /* add the next one */
985
986         control_scroll_connection = Glib::signal_timeout().connect (bind (mem_fun (*this, &Editor::deferred_control_scroll), target), 50);
987 }
988
989 bool
990 Editor::deferred_control_scroll (nframes_t target)
991 {
992         session->request_locate (target);
993         return false;
994 }
995
996 void 
997 Editor::canvas_horizontally_scrolled ()
998 {
999
1000         leftmost_frame = (nframes_t) floor (horizontal_adjustment.get_value() * frames_per_unit);
1001         update_fixed_rulers ();
1002         tempo_map_changed (Change (0));
1003
1004 }
1005
1006 void
1007 Editor::reposition_and_zoom (nframes_t frame, double nfpu)
1008 {
1009         if (!repos_zoom_queued) {
1010                 repos_zoom_queued = true;
1011                 Glib::signal_idle().connect (bind (mem_fun(*this, &Editor::deferred_reposition_and_zoom), frame, nfpu));
1012         }
1013 }
1014
1015 gint
1016 Editor::deferred_reposition_and_zoom (nframes_t frame, double nfpu)
1017 {
1018
1019         set_frames_per_unit (nfpu);
1020         reposition_x_origin  (frame);
1021         repos_zoom_queued = false;
1022         
1023         return FALSE;
1024 }
1025
1026 void
1027 Editor::on_realize ()
1028 {
1029         Window::on_realize ();
1030         Realized ();
1031 }
1032
1033 void
1034 Editor::start_scrolling ()
1035 {
1036         scroll_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect 
1037                 (mem_fun(*this, &Editor::update_current_screen));
1038 }
1039
1040 void
1041 Editor::stop_scrolling ()
1042 {
1043         scroll_connection.disconnect ();
1044 }
1045
1046 void
1047 Editor::map_position_change (nframes_t frame)
1048 {
1049         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::map_position_change), frame));
1050
1051         if (session == 0 || !_follow_playhead) {
1052                 return;
1053         }
1054
1055         center_screen (frame);
1056         playhead_cursor->set_position (frame);
1057 }       
1058
1059 void
1060 Editor::center_screen (nframes_t frame)
1061 {
1062         double page = canvas_width * frames_per_unit;
1063
1064         /* if we're off the page, then scroll.
1065          */
1066         
1067         if (frame < leftmost_frame || frame >= leftmost_frame + page) {
1068                 center_screen_internal (frame, page);
1069         }
1070 }
1071
1072 void
1073 Editor::center_screen_internal (nframes_t frame, float page)
1074 {
1075         page /= 2;
1076                 
1077         if (frame > page) {
1078                 frame -= (nframes_t) page;
1079         } else {
1080                 frame = 0;
1081         }
1082
1083     reposition_x_origin (frame);
1084 }
1085
1086 void
1087 Editor::handle_new_duration ()
1088 {
1089         ENSURE_GUI_THREAD (mem_fun (*this, &Editor::handle_new_duration));
1090
1091         nframes_t new_end = session->get_maximum_extent() + (nframes_t) floorf (current_page_frames() * 0.10f);
1092                                   
1093         if (new_end > last_canvas_frame) {
1094                 last_canvas_frame = new_end;
1095                 reset_scrolling_region ();
1096         }
1097
1098         horizontal_adjustment.set_value (leftmost_frame/frames_per_unit);
1099 }
1100
1101 void
1102 Editor::update_title_s (const string & snap_name)
1103 {
1104         ENSURE_GUI_THREAD(bind (mem_fun(*this, &Editor::update_title_s), snap_name));
1105         
1106         update_title ();
1107 }
1108
1109 void
1110 Editor::update_title ()
1111 {
1112         ENSURE_GUI_THREAD (mem_fun(*this, &Editor::update_title));
1113
1114         if (session) {
1115                 bool dirty = session->dirty();
1116
1117                 string wintitle = _("ardour: editor: ");
1118
1119                 if (dirty) {
1120                         wintitle += '[';
1121                 }
1122
1123                 wintitle += session->name();
1124
1125                 if (session->snap_name() != session->name()) {
1126                         wintitle += ':';
1127                         wintitle += session->snap_name();
1128                 }
1129
1130                 if (dirty) {
1131                         wintitle += ']';
1132                 }
1133
1134                 set_title (wintitle);
1135         }
1136 }
1137
1138 void
1139 Editor::connect_to_session (Session *t)
1140 {
1141         session = t;
1142
1143         if (first_action_message) {
1144                 first_action_message->hide();
1145         }
1146
1147         update_title ();
1148
1149         session->GoingAway.connect (mem_fun(*this, &Editor::session_going_away));
1150         session->history().Changed.connect (mem_fun (*this, &Editor::history_changed));
1151
1152         /* These signals can all be emitted by a non-GUI thread. Therefore the
1153            handlers for them must not attempt to directly interact with the GUI,
1154            but use Gtkmm2ext::UI::instance()->call_slot();
1155         */
1156
1157         session_connections.push_back (session->TransportStateChange.connect (mem_fun(*this, &Editor::map_transport_state)));
1158         session_connections.push_back (session->PositionChanged.connect (mem_fun(*this, &Editor::map_position_change)));
1159         session_connections.push_back (session->RouteAdded.connect (mem_fun(*this, &Editor::handle_new_route)));
1160         session_connections.push_back (session->AudioRegionAdded.connect (mem_fun(*this, &Editor::handle_new_audio_region)));
1161         session_connections.push_back (session->AudioRegionRemoved.connect (mem_fun(*this, &Editor::handle_audio_region_removed)));
1162         session_connections.push_back (session->DurationChanged.connect (mem_fun(*this, &Editor::handle_new_duration)));
1163         session_connections.push_back (session->edit_group_added.connect (mem_fun(*this, &Editor::add_edit_group)));
1164         session_connections.push_back (session->edit_group_removed.connect (mem_fun(*this, &Editor::edit_groups_changed)));
1165         session_connections.push_back (session->NamedSelectionAdded.connect (mem_fun(*this, &Editor::handle_new_named_selection)));
1166         session_connections.push_back (session->NamedSelectionRemoved.connect (mem_fun(*this, &Editor::handle_new_named_selection)));
1167         session_connections.push_back (session->DirtyChanged.connect (mem_fun(*this, &Editor::update_title)));
1168         session_connections.push_back (session->StateSaved.connect (mem_fun(*this, &Editor::update_title_s)));
1169         session_connections.push_back (session->AskAboutPlaylistDeletion.connect (mem_fun(*this, &Editor::playlist_deletion_dialog)));
1170         session_connections.push_back (session->RegionHiddenChange.connect (mem_fun(*this, &Editor::region_hidden)));
1171
1172         session_connections.push_back (session->SMPTEOffsetChanged.connect (mem_fun(*this, &Editor::update_just_smpte)));
1173
1174         session_connections.push_back (session->tempo_map().StateChanged.connect (mem_fun(*this, &Editor::tempo_map_changed)));
1175
1176         edit_groups_changed ();
1177
1178         edit_cursor_clock.set_session (session);
1179         zoom_range_clock.set_session (session);
1180         _playlist_selector->set_session (session);
1181         nudge_clock.set_session (session);
1182
1183 #ifdef FFT_ANALYSIS
1184         if (analysis_window != 0)
1185                 analysis_window->set_session (session);
1186 #endif
1187
1188         Location* loc = session->locations()->auto_loop_location();
1189         if (loc == 0) {
1190                 loc = new Location (0, session->current_end_frame(), _("Loop"),(Location::Flags) (Location::IsAutoLoop | Location::IsHidden));
1191                 if (loc->start() == loc->end()) {
1192                         loc->set_end (loc->start() + 1);
1193                 }
1194                 session->locations()->add (loc, false);
1195                 session->set_auto_loop_location (loc);
1196         }
1197         else {
1198                 // force name
1199                 loc->set_name (_("Loop"));
1200         }
1201         
1202         loc = session->locations()->auto_punch_location();
1203         if (loc == 0) {
1204                 loc = new Location (0, session->current_end_frame(), _("Punch"), (Location::Flags) (Location::IsAutoPunch | Location::IsHidden));
1205                 if (loc->start() == loc->end()) {
1206                         loc->set_end (loc->start() + 1);
1207                 }
1208                 session->locations()->add (loc, false);
1209                 session->set_auto_punch_location (loc);
1210         }
1211         else {
1212                 // force name
1213                 loc->set_name (_("Punch"));
1214         }
1215
1216         Config->map_parameters (mem_fun (*this, &Editor::parameter_changed));
1217         
1218         session->StateSaved.connect (mem_fun(*this, &Editor::session_state_saved));
1219         
1220         refresh_location_display ();
1221         session->locations()->added.connect (mem_fun(*this, &Editor::add_new_location));
1222         session->locations()->removed.connect (mem_fun(*this, &Editor::location_gone));
1223         session->locations()->changed.connect (mem_fun(*this, &Editor::refresh_location_display));
1224         session->locations()->StateChanged.connect (mem_fun(*this, &Editor::refresh_location_display_s));
1225         session->locations()->end_location()->changed.connect (mem_fun(*this, &Editor::end_location_changed));
1226
1227         handle_new_duration ();
1228
1229         redisplay_regions ();
1230         redisplay_named_selections ();
1231         redisplay_snapshots ();
1232
1233         initial_route_list_display ();
1234
1235         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
1236                 (static_cast<TimeAxisView*>(*i))->set_samples_per_unit (frames_per_unit);
1237         }
1238
1239         /* ::reposition_x_origin() doesn't work right here, since the old
1240            position may be zero already, and it does nothing in such
1241            circumstances.
1242         */
1243
1244         leftmost_frame = 0;
1245         
1246         horizontal_adjustment.set_value (0);
1247
1248         restore_ruler_visibility ();
1249         //tempo_map_changed (Change (0));
1250         session->tempo_map().apply_with_metrics (*this, &Editor::draw_metric_marks);
1251
1252         edit_cursor->set_position (0);
1253         playhead_cursor->set_position (0);
1254
1255         start_scrolling ();
1256
1257         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
1258         set_state (*node);
1259
1260         /* don't show master bus in a new session */
1261
1262         if (ARDOUR_UI::instance()->session_is_new ()) {
1263
1264                 TreeModel::Children rows = route_display_model->children();
1265                 TreeModel::Children::iterator i;
1266         
1267                 no_route_list_redisplay = true;
1268                 
1269                 for (i = rows.begin(); i != rows.end(); ++i) {
1270                         TimeAxisView *tv =  (*i)[route_display_columns.tv];
1271                         AudioTimeAxisView *atv;
1272                         
1273                         if ((atv = dynamic_cast<AudioTimeAxisView*>(tv)) != 0) {
1274                                 if (atv->route()->master()) {
1275                                         route_list_display.get_selection()->unselect (i);
1276                                 }
1277                         }
1278                 }
1279                 
1280                 no_route_list_redisplay = false;
1281                 redisplay_route_list ();
1282         }
1283
1284         /* register for undo history */
1285
1286         session->register_with_memento_command_factory(_id, this);
1287 }
1288
1289 void
1290 Editor::build_cursors ()
1291 {
1292         using namespace Gdk;
1293         
1294         Gdk::Color mbg ("#000000" ); /* Black */
1295         Gdk::Color mfg ("#0000ff" ); /* Blue. */
1296
1297         {
1298                 RefPtr<Bitmap> source, mask;
1299                 source = Bitmap::create (mag_bits, mag_width, mag_height);
1300                 mask = Bitmap::create (magmask_bits, mag_width, mag_height);
1301                 zoom_cursor = new Gdk::Cursor (source, mask, mfg, mbg, mag_x_hot, mag_y_hot);
1302         }
1303
1304         Gdk::Color fbg ("#ffffff" );
1305         Gdk::Color ffg  ("#000000" );
1306         
1307         {
1308                 RefPtr<Bitmap> source, mask;
1309                 
1310                 source = Bitmap::create (fader_cursor_bits, fader_cursor_width, fader_cursor_height);
1311                 mask = Bitmap::create (fader_cursor_mask_bits, fader_cursor_width, fader_cursor_height);
1312                 fader_cursor = new Gdk::Cursor (source, mask, ffg, fbg, fader_cursor_x_hot, fader_cursor_y_hot);
1313         }
1314         
1315         { 
1316                 RefPtr<Bitmap> source, mask;
1317                 source = Bitmap::create (speaker_cursor_bits, speaker_cursor_width, speaker_cursor_height);
1318                 mask = Bitmap::create (speaker_cursor_mask_bits, speaker_cursor_width, speaker_cursor_height);
1319                 speaker_cursor = new Gdk::Cursor (source, mask, ffg, fbg, speaker_cursor_x_hot, speaker_cursor_y_hot);
1320         }
1321
1322         grabber_cursor = new Gdk::Cursor (HAND2);
1323         cross_hair_cursor = new Gdk::Cursor (CROSSHAIR);
1324         trimmer_cursor =  new Gdk::Cursor (SB_H_DOUBLE_ARROW);
1325         selector_cursor = new Gdk::Cursor (XTERM);
1326         time_fx_cursor = new Gdk::Cursor (SIZING);
1327         wait_cursor = new Gdk::Cursor  (WATCH);
1328         timebar_cursor = new Gdk::Cursor(LEFT_PTR);
1329 }
1330
1331 void
1332 Editor::popup_fade_context_menu (int button, int32_t time, ArdourCanvas::Item* item, ItemType item_type)
1333 {
1334         using namespace Menu_Helpers;
1335         AudioRegionView* arv = static_cast<AudioRegionView*> (item->get_data ("regionview"));
1336
1337         if (arv == 0) {
1338                 fatal << _("programming error: fade in canvas item has no regionview data pointer!") << endmsg;
1339                 /*NOTREACHED*/
1340         }
1341
1342         MenuList& items (fade_context_menu.items());
1343
1344         items.clear ();
1345
1346         switch (item_type) {
1347         case FadeInItem:
1348         case FadeInHandleItem:
1349                 if (arv->audio_region()->fade_in_active()) {
1350                         items.push_back (MenuElem (_("Deactivate"), bind (mem_fun (*arv, &AudioRegionView::set_fade_in_active), false)));
1351                 } else {
1352                         items.push_back (MenuElem (_("Activate"), bind (mem_fun (*arv, &AudioRegionView::set_fade_in_active), true)));
1353                 }
1354                 
1355                 items.push_back (SeparatorElem());
1356                 
1357                 items.push_back (MenuElem (_("Linear"), bind (mem_fun (*arv, &AudioRegionView::set_fade_in_shape), AudioRegion::Linear)));
1358                 items.push_back (MenuElem (_("Slowest"), bind (mem_fun (*arv, &AudioRegionView::set_fade_in_shape), AudioRegion::LogB)));
1359                 items.push_back (MenuElem (_("Slow"), bind (mem_fun (*arv, &AudioRegionView::set_fade_in_shape), AudioRegion::Fast)));
1360                 items.push_back (MenuElem (_("Fast"), bind (mem_fun (*arv, &AudioRegionView::set_fade_in_shape), AudioRegion::LogA)));
1361                 items.push_back (MenuElem (_("Fastest"), bind (mem_fun (*arv, &AudioRegionView::set_fade_in_shape), AudioRegion::Slow)));
1362                 break;
1363
1364         case FadeOutItem:
1365         case FadeOutHandleItem:
1366                 if (arv->audio_region()->fade_out_active()) {
1367                         items.push_back (MenuElem (_("Deactivate"), bind (mem_fun (*arv, &AudioRegionView::set_fade_out_active), false)));
1368                 } else {
1369                         items.push_back (MenuElem (_("Activate"), bind (mem_fun (*arv, &AudioRegionView::set_fade_out_active), true)));
1370                 }
1371                 
1372                 items.push_back (SeparatorElem());
1373                 
1374                 items.push_back (MenuElem (_("Linear"), bind (mem_fun (*arv, &AudioRegionView::set_fade_out_shape), AudioRegion::Linear)));
1375                 items.push_back (MenuElem (_("Slowest"), bind (mem_fun (*arv, &AudioRegionView::set_fade_out_shape), AudioRegion::Fast)));
1376                 items.push_back (MenuElem (_("Slow"), bind (mem_fun (*arv, &AudioRegionView::set_fade_out_shape), AudioRegion::LogB)));
1377                 items.push_back (MenuElem (_("Fast"), bind (mem_fun (*arv, &AudioRegionView::set_fade_out_shape), AudioRegion::LogA)));
1378                 items.push_back (MenuElem (_("Fastest"), bind (mem_fun (*arv, &AudioRegionView::set_fade_out_shape), AudioRegion::Slow)));
1379
1380                 break;
1381
1382         default:
1383                 fatal << _("programming error: ")
1384                       << X_("non-fade canvas item passed to popup_fade_context_menu()")
1385                       << endmsg;
1386                 /*NOTREACHED*/
1387         }
1388
1389         fade_context_menu.popup (button, time);
1390 }
1391
1392 void
1393 Editor::popup_track_context_menu (int button, int32_t time, ItemType item_type, bool with_selection, nframes_t frame)
1394 {
1395         using namespace Menu_Helpers;
1396         Menu* (Editor::*build_menu_function)(nframes_t);
1397         Menu *menu;
1398
1399         switch (item_type) {
1400         case RegionItem:
1401         case RegionViewName:
1402         case RegionViewNameHighlight:
1403                 if (with_selection) {
1404                         build_menu_function = &Editor::build_track_selection_context_menu;
1405                 } else {
1406                         build_menu_function = &Editor::build_track_region_context_menu;
1407                 }
1408                 break;
1409
1410         case SelectionItem:
1411                 if (with_selection) {
1412                         build_menu_function = &Editor::build_track_selection_context_menu;
1413                 } else {
1414                         build_menu_function = &Editor::build_track_context_menu;
1415                 }
1416                 break;
1417
1418         case CrossfadeViewItem:
1419                 build_menu_function = &Editor::build_track_crossfade_context_menu;
1420                 break;
1421
1422         case StreamItem:
1423                 if (clicked_audio_trackview->get_diskstream()) {
1424                         build_menu_function = &Editor::build_track_context_menu;
1425                 } else {
1426                         build_menu_function = &Editor::build_track_bus_context_menu;
1427                 }
1428                 break;
1429
1430         default:
1431                 /* probably shouldn't happen but if it does, we don't care */
1432                 return;
1433         }
1434
1435         menu = (this->*build_menu_function)(frame);
1436         menu->set_name ("ArdourContextMenu");
1437         
1438         /* now handle specific situations */
1439
1440         switch (item_type) {
1441         case RegionItem:
1442         case RegionViewName:
1443         case RegionViewNameHighlight:
1444                 if (!with_selection) {
1445                         if (region_edit_menu_split_item) {
1446                                 if (clicked_regionview && clicked_regionview->region()->covers (edit_cursor->current_frame)) {
1447                                         ActionManager::set_sensitive (ActionManager::edit_cursor_in_region_sensitive_actions, true);
1448                                 } else {
1449                                         ActionManager::set_sensitive (ActionManager::edit_cursor_in_region_sensitive_actions, false);
1450                                 }
1451                         }
1452                         /*
1453                         if (region_edit_menu_split_multichannel_item) {
1454                                 if (clicked_regionview && clicked_regionview->region().n_channels() > 1) {
1455                                         // GTK2FIX find the action, change its sensitivity
1456                                         // region_edit_menu_split_multichannel_item->set_sensitive (true);
1457                                 } else {
1458                                         // GTK2FIX see above
1459                                         // region_edit_menu_split_multichannel_item->set_sensitive (false);
1460                                 }
1461                         }*/
1462                 }
1463                 break;
1464
1465         case SelectionItem:
1466                 break;
1467
1468         case CrossfadeViewItem:
1469                 break;
1470
1471         case StreamItem:
1472                 break;
1473
1474         default:
1475                 /* probably shouldn't happen but if it does, we don't care */
1476                 return;
1477         }
1478
1479         if (clicked_audio_trackview && clicked_audio_trackview->audio_track()) {
1480
1481                 /* Bounce to disk */
1482                 
1483                 using namespace Menu_Helpers;
1484                 MenuList& edit_items  = menu->items();
1485                 
1486                 edit_items.push_back (SeparatorElem());
1487
1488                 switch (clicked_audio_trackview->audio_track()->freeze_state()) {
1489                 case AudioTrack::NoFreeze:
1490                         edit_items.push_back (MenuElem (_("Freeze"), mem_fun(*this, &Editor::freeze_route)));
1491                         break;
1492
1493                 case AudioTrack::Frozen:
1494                         edit_items.push_back (MenuElem (_("Unfreeze"), mem_fun(*this, &Editor::unfreeze_route)));
1495                         break;
1496                         
1497                 case AudioTrack::UnFrozen:
1498                         edit_items.push_back (MenuElem (_("Freeze"), mem_fun(*this, &Editor::freeze_route)));
1499                         break;
1500                 }
1501
1502         }
1503
1504         menu->popup (button, time);
1505 }
1506
1507 Menu*
1508 Editor::build_track_context_menu (nframes_t ignored)
1509 {
1510         using namespace Menu_Helpers;
1511
1512         MenuList& edit_items = track_context_menu.items();
1513         edit_items.clear();
1514
1515         add_dstream_context_items (edit_items);
1516         return &track_context_menu;
1517 }
1518
1519 Menu*
1520 Editor::build_track_bus_context_menu (nframes_t ignored)
1521 {
1522         using namespace Menu_Helpers;
1523
1524         MenuList& edit_items = track_context_menu.items();
1525         edit_items.clear();
1526
1527         add_bus_context_items (edit_items);
1528         return &track_context_menu;
1529 }
1530
1531 Menu*
1532 Editor::build_track_region_context_menu (nframes_t frame)
1533 {
1534         using namespace Menu_Helpers;
1535         MenuList& edit_items  = track_region_context_menu.items();
1536         edit_items.clear();
1537
1538         AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*> (clicked_trackview);
1539
1540         if (atv) {
1541                 boost::shared_ptr<Diskstream> ds;
1542                 boost::shared_ptr<Playlist> pl;
1543                 
1544                 if ((ds = atv->get_diskstream()) && ((pl = ds->playlist()))) {
1545                         Playlist::RegionList* regions = pl->regions_at ((nframes_t) floor ( (double)frame * ds->speed()));
1546                         for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
1547                                 add_region_context_items (atv->audio_view(), (*i), edit_items);
1548                         }
1549                         delete regions;
1550                 }
1551         }
1552
1553         add_dstream_context_items (edit_items);
1554
1555         return &track_region_context_menu;
1556 }
1557
1558 Menu*
1559 Editor::build_track_crossfade_context_menu (nframes_t frame)
1560 {
1561         using namespace Menu_Helpers;
1562         MenuList& edit_items  = track_crossfade_context_menu.items();
1563         edit_items.clear ();
1564
1565         AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*> (clicked_trackview);
1566
1567         if (atv) {
1568                 boost::shared_ptr<Diskstream> ds;
1569                 boost::shared_ptr<Playlist> pl;
1570                 boost::shared_ptr<AudioPlaylist> apl;
1571
1572                 if ((ds = atv->get_diskstream()) && ((pl = ds->playlist()) != 0) && ((apl = boost::dynamic_pointer_cast<AudioPlaylist> (pl)) != 0)) {
1573
1574                         Playlist::RegionList* regions = pl->regions_at (frame);
1575                         AudioPlaylist::Crossfades xfades;
1576
1577                         apl->crossfades_at (frame, xfades);
1578
1579                         bool many = xfades.size() > 1;
1580
1581                         for (AudioPlaylist::Crossfades::iterator i = xfades.begin(); i != xfades.end(); ++i) {
1582                                 add_crossfade_context_items (atv->audio_view(), (*i), edit_items, many);
1583                         }
1584
1585                         for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
1586                                 add_region_context_items (atv->audio_view(), (*i), edit_items);
1587                         }
1588
1589                         delete regions;
1590                 }
1591         }
1592
1593         add_dstream_context_items (edit_items);
1594
1595         return &track_crossfade_context_menu;
1596 }
1597
1598 #ifdef FFT_ANALYSIS
1599 void
1600 Editor::analyze_region_selection()
1601 {
1602         if (analysis_window == 0) {
1603                 analysis_window = new AnalysisWindow();
1604
1605                 if (session != 0)
1606                         analysis_window->set_session(session);
1607
1608                 analysis_window->show_all();
1609         }
1610
1611         analysis_window->set_regionmode();
1612         analysis_window->analyze();
1613         
1614         analysis_window->present();
1615 }
1616
1617 void
1618 Editor::analyze_range_selection()
1619 {
1620         if (analysis_window == 0) {
1621                 analysis_window = new AnalysisWindow();
1622
1623                 if (session != 0)
1624                         analysis_window->set_session(session);
1625
1626                 analysis_window->show_all();
1627         }
1628
1629         analysis_window->set_rangemode();
1630         analysis_window->analyze();
1631         
1632         analysis_window->present();
1633 }
1634 #endif /* FFT_ANALYSIS */
1635
1636
1637
1638 Menu*
1639 Editor::build_track_selection_context_menu (nframes_t ignored)
1640 {
1641         using namespace Menu_Helpers;
1642         MenuList& edit_items  = track_selection_context_menu.items();
1643         edit_items.clear ();
1644
1645         add_selection_context_items (edit_items);
1646         add_dstream_context_items (edit_items);
1647
1648         return &track_selection_context_menu;
1649 }
1650
1651 void
1652 Editor::add_crossfade_context_items (AudioStreamView* view, boost::shared_ptr<Crossfade> xfade, Menu_Helpers::MenuList& edit_items, bool many)
1653 {
1654         using namespace Menu_Helpers;
1655         Menu     *xfade_menu = manage (new Menu);
1656         MenuList& items       = xfade_menu->items();
1657         xfade_menu->set_name ("ArdourContextMenu");
1658         string str;
1659
1660         if (xfade->active()) {
1661                 str = _("Mute");
1662         } else { 
1663                 str = _("Unmute");
1664         }
1665
1666         items.push_back (MenuElem (str, bind (mem_fun(*this, &Editor::toggle_xfade_active), boost::weak_ptr<Crossfade> (xfade))));
1667         items.push_back (MenuElem (_("Edit"), bind (mem_fun(*this, &Editor::edit_xfade), boost::weak_ptr<Crossfade> (xfade))));
1668
1669         if (xfade->can_follow_overlap()) {
1670
1671                 if (xfade->following_overlap()) {
1672                         str = _("Convert to short");
1673                 } else {
1674                         str = _("Convert to full");
1675                 }
1676
1677                 items.push_back (MenuElem (str, bind (mem_fun(*this, &Editor::toggle_xfade_length), xfade)));
1678         }
1679
1680         if (many) {
1681                 str = xfade->out()->name();
1682                 str += "->";
1683                 str += xfade->in()->name();
1684         } else {
1685                 str = _("Crossfade");
1686         }
1687
1688         edit_items.push_back (MenuElem (str, *xfade_menu));
1689         edit_items.push_back (SeparatorElem());
1690 }
1691
1692 void
1693 Editor::xfade_edit_left_region ()
1694 {
1695         if (clicked_crossfadeview) {
1696                 clicked_crossfadeview->left_view.show_region_editor ();
1697         }
1698 }
1699
1700 void
1701 Editor::xfade_edit_right_region ()
1702 {
1703         if (clicked_crossfadeview) {
1704                 clicked_crossfadeview->right_view.show_region_editor ();
1705         }
1706 }
1707
1708 void
1709 Editor::add_region_context_items (AudioStreamView* sv, boost::shared_ptr<Region> region, Menu_Helpers::MenuList& edit_items)
1710 {
1711         using namespace Menu_Helpers;
1712         Menu     *region_menu = manage (new Menu);
1713         MenuList& items       = region_menu->items();
1714         region_menu->set_name ("ArdourContextMenu");
1715         
1716         boost::shared_ptr<AudioRegion> ar;
1717
1718         if (region) {
1719                 ar = boost::dynamic_pointer_cast<AudioRegion> (region);
1720         }
1721
1722         /* when this particular menu pops up, make the relevant region 
1723            become selected.
1724         */
1725
1726         // region_menu->signal_map_event().connect (bind (mem_fun(*this, &Editor::set_selected_regionview_from_map_event), sv, boost::weak_ptr<Region>(region)));
1727
1728         items.push_back (MenuElem (_("Popup region editor"), mem_fun(*this, &Editor::edit_region)));
1729         items.push_back (MenuElem (_("Raise to top layer"), mem_fun(*this, &Editor::raise_region_to_top)));
1730         items.push_back (MenuElem (_("Lower to bottom layer"), mem_fun  (*this, &Editor::lower_region_to_bottom)));
1731         items.push_back (SeparatorElem());
1732         items.push_back (MenuElem (_("Define sync point"), mem_fun(*this, &Editor::set_region_sync_from_edit_cursor)));
1733         items.push_back (MenuElem (_("Remove sync point"), mem_fun(*this, &Editor::remove_region_sync)));
1734         items.push_back (SeparatorElem());
1735
1736         items.push_back (MenuElem (_("Audition"), mem_fun(*this, &Editor::audition_selected_region)));
1737         items.push_back (MenuElem (_("Export"), mem_fun(*this, &Editor::export_region)));
1738         items.push_back (MenuElem (_("Bounce"), mem_fun(*this, &Editor::bounce_region_selection)));
1739
1740 #ifdef FFT_ANALYSIS
1741         items.push_back (MenuElem (_("Analyze region"), mem_fun(*this, &Editor::analyze_region_selection)));
1742 #endif
1743
1744         items.push_back (SeparatorElem());
1745
1746         items.push_back (CheckMenuElem (_("Lock"), mem_fun(*this, &Editor::toggle_region_lock)));
1747         region_lock_item = static_cast<CheckMenuItem*>(&items.back());
1748         if (region->locked()) {
1749                 region_lock_item->set_active();
1750         }
1751         items.push_back (CheckMenuElem (_("Mute"), mem_fun(*this, &Editor::toggle_region_mute)));
1752         region_mute_item = static_cast<CheckMenuItem*>(&items.back());
1753         if (region->muted()) {
1754                 region_mute_item->set_active();
1755         }
1756         items.push_back (CheckMenuElem (_("Opaque"), mem_fun(*this, &Editor::toggle_region_opaque)));
1757         region_opaque_item = static_cast<CheckMenuItem*>(&items.back());
1758         if (region->opaque()) {
1759                 region_opaque_item->set_active();
1760         }
1761
1762         items.push_back (CheckMenuElem (_("Original position"), mem_fun(*this, &Editor::naturalize)));
1763         if (region->at_natural_position()) {
1764                 items.back().set_sensitive (false);
1765         }
1766
1767         items.push_back (SeparatorElem());
1768
1769         if (ar) {
1770                 
1771                 RegionView* rv = sv->find_view (ar);
1772                 AudioRegionView* arv = dynamic_cast<AudioRegionView*>(rv);
1773
1774                 items.push_back (MenuElem (_("Reset Envelope"), mem_fun(*this, &Editor::reset_region_gain_envelopes)));
1775                 
1776                 items.push_back (CheckMenuElem (_("Envelope Visible"), mem_fun(*this, &Editor::toggle_gain_envelope_visibility)));
1777                 region_envelope_visible_item = static_cast<CheckMenuItem*> (&items.back());
1778
1779                 if (arv->envelope_visible()) {
1780                         region_envelope_visible_item->set_active (true);
1781                 }
1782
1783                 items.push_back (CheckMenuElem (_("Envelope Active"), mem_fun(*this, &Editor::toggle_gain_envelope_active)));
1784                 region_envelope_active_item = static_cast<CheckMenuItem*> (&items.back());
1785
1786                 if (ar->envelope_active()) {
1787                         region_envelope_active_item->set_active (true);
1788                 }
1789
1790                 items.push_back (SeparatorElem());
1791
1792                 if (ar->scale_amplitude() != 1.0f) {
1793                         items.push_back (MenuElem (_("DeNormalize"), mem_fun(*this, &Editor::denormalize_region)));
1794                 } else {
1795                         items.push_back (MenuElem (_("Normalize"), mem_fun(*this, &Editor::normalize_region)));
1796                 }
1797         }
1798         items.push_back (MenuElem (_("Reverse"), mem_fun(*this, &Editor::reverse_region)));
1799         items.push_back (SeparatorElem());
1800
1801
1802         /* range related stuff */
1803
1804         items.push_back (MenuElem (_("Add Range Markers"), mem_fun (*this, &Editor::add_location_from_audio_region)));
1805         items.push_back (MenuElem (_("Set Range Selection"), mem_fun (*this, &Editor::set_selection_from_audio_region)));
1806         items.push_back (SeparatorElem());
1807                          
1808         /* Nudge region */
1809
1810         Menu *nudge_menu = manage (new Menu());
1811         MenuList& nudge_items = nudge_menu->items();
1812         nudge_menu->set_name ("ArdourContextMenu");
1813         
1814         nudge_items.push_back (MenuElem (_("Nudge fwd"), (bind (mem_fun(*this, &Editor::nudge_forward), false))));
1815         nudge_items.push_back (MenuElem (_("Nudge bwd"), (bind (mem_fun(*this, &Editor::nudge_backward), false))));
1816         nudge_items.push_back (MenuElem (_("Nudge fwd by capture offset"), (mem_fun(*this, &Editor::nudge_forward_capture_offset))));
1817         nudge_items.push_back (MenuElem (_("Nudge bwd by capture offset"), (mem_fun(*this, &Editor::nudge_backward_capture_offset))));
1818
1819         items.push_back (MenuElem (_("Nudge"), *nudge_menu));
1820         items.push_back (SeparatorElem());
1821
1822         Menu *trim_menu = manage (new Menu);
1823         MenuList& trim_items = trim_menu->items();
1824         trim_menu->set_name ("ArdourContextMenu");
1825         
1826         trim_items.push_back (MenuElem (_("Start to edit cursor"), mem_fun(*this, &Editor::trim_region_from_edit_cursor)));
1827         trim_items.push_back (MenuElem (_("Edit cursor to end"), mem_fun(*this, &Editor::trim_region_to_edit_cursor)));
1828                              
1829         items.push_back (MenuElem (_("Trim"), *trim_menu));
1830         items.push_back (SeparatorElem());
1831
1832         items.push_back (MenuElem (_("Split"), (mem_fun(*this, &Editor::split_region))));
1833         region_edit_menu_split_item = &items.back();
1834
1835         items.push_back (MenuElem (_("Make mono regions"), (mem_fun(*this, &Editor::split_multichannel_region))));
1836         region_edit_menu_split_multichannel_item = &items.back();
1837
1838         items.push_back (MenuElem (_("Duplicate"), (bind (mem_fun(*this, &Editor::duplicate_dialog), true))));
1839         items.push_back (MenuElem (_("Fill Track"), (mem_fun(*this, &Editor::region_fill_track))));
1840         items.push_back (SeparatorElem());
1841         items.push_back (MenuElem (_("Remove"), mem_fun(*this, &Editor::remove_clicked_region)));
1842
1843         /* OK, stick the region submenu at the top of the list, and then add
1844            the standard items.
1845         */
1846
1847         /* we have to hack up the region name because "_" has a special
1848            meaning for menu titles.
1849         */
1850
1851         string::size_type pos = 0;
1852         string menu_item_name = region->name();
1853
1854         while ((pos = menu_item_name.find ("_", pos)) != string::npos) {
1855                 menu_item_name.replace (pos, 1, "__");
1856                 pos += 2;
1857         }
1858         
1859         edit_items.push_back (MenuElem (menu_item_name, *region_menu));
1860         edit_items.push_back (SeparatorElem());
1861 }
1862
1863 void
1864 Editor::add_selection_context_items (Menu_Helpers::MenuList& edit_items)
1865 {
1866         using namespace Menu_Helpers;
1867         Menu     *selection_menu = manage (new Menu);
1868         MenuList& items       = selection_menu->items();
1869         selection_menu->set_name ("ArdourContextMenu");
1870
1871         items.push_back (MenuElem (_("Play range"), mem_fun(*this, &Editor::play_selection)));
1872         items.push_back (MenuElem (_("Loop range"), mem_fun(*this, &Editor::set_route_loop_selection)));
1873
1874 #ifdef FFT_ANALYSIS
1875         items.push_back (SeparatorElem());
1876         items.push_back (MenuElem (_("Analyze range"), mem_fun(*this, &Editor::analyze_range_selection)));
1877 #endif
1878         
1879         items.push_back (SeparatorElem());
1880         items.push_back (MenuElem (_("Separate range to track"), mem_fun(*this, &Editor::separate_region_from_selection)));
1881         items.push_back (MenuElem (_("Separate range to region list"), mem_fun(*this, &Editor::new_region_from_selection)));
1882         
1883         items.push_back (SeparatorElem());
1884         items.push_back (MenuElem (_("Select all in range"), mem_fun(*this, &Editor::select_all_selectables_using_time_selection)));
1885         items.push_back (SeparatorElem());
1886         items.push_back (MenuElem (_("Add Range Markers"), mem_fun (*this, &Editor::add_location_from_selection)));
1887         items.push_back (MenuElem (_("Set range to loop range"), mem_fun(*this, &Editor::set_selection_from_loop)));
1888         items.push_back (MenuElem (_("Set range to punch range"), mem_fun(*this, &Editor::set_selection_from_punch)));
1889         items.push_back (SeparatorElem());
1890         items.push_back (MenuElem (_("Crop region to range"), mem_fun(*this, &Editor::crop_region_to_selection)));
1891         items.push_back (MenuElem (_("Fill range with region"), mem_fun(*this, &Editor::region_fill_selection)));
1892         items.push_back (MenuElem (_("Duplicate range"), bind (mem_fun(*this, &Editor::duplicate_dialog), false)));
1893         items.push_back (MenuElem (_("Create chunk from range"), mem_fun(*this, &Editor::name_selection)));
1894         items.push_back (SeparatorElem());
1895         items.push_back (MenuElem (_("Bounce range"), mem_fun(*this, &Editor::bounce_range_selection)));
1896         items.push_back (MenuElem (_("Export range"), mem_fun(*this, &Editor::export_selection)));
1897
1898         edit_items.push_back (MenuElem (_("Range"), *selection_menu));
1899         edit_items.push_back (SeparatorElem());
1900 }
1901
1902 void
1903 Editor::add_dstream_context_items (Menu_Helpers::MenuList& edit_items)
1904 {
1905         using namespace Menu_Helpers;
1906
1907         /* Playback */
1908
1909         Menu *play_menu = manage (new Menu);
1910         MenuList& play_items = play_menu->items();
1911         play_menu->set_name ("ArdourContextMenu");
1912         
1913         play_items.push_back (MenuElem (_("Play from edit cursor"), mem_fun(*this, &Editor::play_from_edit_cursor)));
1914         play_items.push_back (MenuElem (_("Play from start"), mem_fun(*this, &Editor::play_from_start)));
1915         play_items.push_back (MenuElem (_("Play region"), mem_fun(*this, &Editor::play_selected_region)));
1916         play_items.push_back (SeparatorElem());
1917         play_items.push_back (MenuElem (_("Loop Region"), mem_fun(*this, &Editor::loop_selected_region)));
1918         
1919         edit_items.push_back (MenuElem (_("Play"), *play_menu));
1920
1921         /* Selection */
1922
1923         Menu *select_menu = manage (new Menu);
1924         MenuList& select_items = select_menu->items();
1925         select_menu->set_name ("ArdourContextMenu");
1926         
1927         select_items.push_back (MenuElem (_("Select All in track"), bind (mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
1928         select_items.push_back (MenuElem (_("Select All"), bind (mem_fun(*this, &Editor::select_all), Selection::Set)));
1929         select_items.push_back (MenuElem (_("Invert selection in track"), mem_fun(*this, &Editor::invert_selection_in_track)));
1930         select_items.push_back (MenuElem (_("Invert selection"), mem_fun(*this, &Editor::invert_selection)));
1931         select_items.push_back (SeparatorElem());
1932         select_items.push_back (MenuElem (_("Set range to loop range"), mem_fun(*this, &Editor::set_selection_from_loop)));
1933         select_items.push_back (MenuElem (_("Set range to punch range"), mem_fun(*this, &Editor::set_selection_from_punch)));
1934         select_items.push_back (SeparatorElem());
1935         select_items.push_back (MenuElem (_("Select all after edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, true)));
1936         select_items.push_back (MenuElem (_("Select all before edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, false)));
1937         select_items.push_back (MenuElem (_("Select all after playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
1938         select_items.push_back (MenuElem (_("Select all before playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
1939         select_items.push_back (MenuElem (_("Select all between cursors"), bind (mem_fun(*this, &Editor::select_all_selectables_between_cursors), playhead_cursor, edit_cursor)));
1940         select_items.push_back (SeparatorElem());
1941
1942         edit_items.push_back (MenuElem (_("Select"), *select_menu));
1943
1944         /* Cut-n-Paste */
1945
1946         Menu *cutnpaste_menu = manage (new Menu);
1947         MenuList& cutnpaste_items = cutnpaste_menu->items();
1948         cutnpaste_menu->set_name ("ArdourContextMenu");
1949         
1950         cutnpaste_items.push_back (MenuElem (_("Cut"), mem_fun(*this, &Editor::cut)));
1951         cutnpaste_items.push_back (MenuElem (_("Copy"), mem_fun(*this, &Editor::copy)));
1952         cutnpaste_items.push_back (MenuElem (_("Paste at edit cursor"), bind (mem_fun(*this, &Editor::paste), 1.0f)));
1953         cutnpaste_items.push_back (MenuElem (_("Paste at mouse"), mem_fun(*this, &Editor::mouse_paste)));
1954
1955         cutnpaste_items.push_back (SeparatorElem());
1956
1957         cutnpaste_items.push_back (MenuElem (_("Align"), bind (mem_fun(*this, &Editor::align), ARDOUR::SyncPoint)));
1958         cutnpaste_items.push_back (MenuElem (_("Align Relative"), bind (mem_fun(*this, &Editor::align_relative), ARDOUR::SyncPoint)));
1959
1960         cutnpaste_items.push_back (SeparatorElem());
1961
1962         cutnpaste_items.push_back (MenuElem (_("Insert chunk"), bind (mem_fun(*this, &Editor::paste_named_selection), 1.0f)));
1963
1964         edit_items.push_back (MenuElem (_("Edit"), *cutnpaste_menu));
1965
1966         /* Adding new material */
1967         
1968         edit_items.push_back (SeparatorElem());
1969         edit_items.push_back (MenuElem (_("Insert Selected Region"), bind (mem_fun(*this, &Editor::insert_region_list_selection), 1.0f)));
1970         edit_items.push_back (MenuElem (_("Insert Existing Audio"), bind (mem_fun(*this, &Editor::add_external_audio_action), ImportToTrack)));
1971
1972         /* Nudge track */
1973
1974         Menu *nudge_menu = manage (new Menu());
1975         MenuList& nudge_items = nudge_menu->items();
1976         nudge_menu->set_name ("ArdourContextMenu");
1977         
1978         edit_items.push_back (SeparatorElem());
1979         nudge_items.push_back (MenuElem (_("Nudge entire track fwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, true))));
1980         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor fwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, true))));
1981         nudge_items.push_back (MenuElem (_("Nudge entire track bwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, false))));
1982         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor bwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, false))));
1983
1984         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
1985 }
1986
1987 void
1988 Editor::add_bus_context_items (Menu_Helpers::MenuList& edit_items)
1989 {
1990         using namespace Menu_Helpers;
1991
1992         /* Playback */
1993
1994         Menu *play_menu = manage (new Menu);
1995         MenuList& play_items = play_menu->items();
1996         play_menu->set_name ("ArdourContextMenu");
1997         
1998         play_items.push_back (MenuElem (_("Play from edit cursor"), mem_fun(*this, &Editor::play_from_edit_cursor)));
1999         play_items.push_back (MenuElem (_("Play from start"), mem_fun(*this, &Editor::play_from_start)));
2000         edit_items.push_back (MenuElem (_("Play"), *play_menu));
2001
2002         /* Selection */
2003
2004         Menu *select_menu = manage (new Menu);
2005         MenuList& select_items = select_menu->items();
2006         select_menu->set_name ("ArdourContextMenu");
2007         
2008         select_items.push_back (MenuElem (_("Select All in track"), bind (mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
2009         select_items.push_back (MenuElem (_("Select All"), bind (mem_fun(*this, &Editor::select_all), Selection::Set)));
2010         select_items.push_back (MenuElem (_("Invert selection in track"), mem_fun(*this, &Editor::invert_selection_in_track)));
2011         select_items.push_back (MenuElem (_("Invert selection"), mem_fun(*this, &Editor::invert_selection)));
2012         select_items.push_back (SeparatorElem());
2013         select_items.push_back (MenuElem (_("Select all after edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, true)));
2014         select_items.push_back (MenuElem (_("Select all before edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, false)));
2015         select_items.push_back (MenuElem (_("Select all after playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
2016         select_items.push_back (MenuElem (_("Select all before playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
2017
2018         edit_items.push_back (MenuElem (_("Select"), *select_menu));
2019
2020         /* Cut-n-Paste */
2021
2022         Menu *cutnpaste_menu = manage (new Menu);
2023         MenuList& cutnpaste_items = cutnpaste_menu->items();
2024         cutnpaste_menu->set_name ("ArdourContextMenu");
2025         
2026         cutnpaste_items.push_back (MenuElem (_("Cut"), mem_fun(*this, &Editor::cut)));
2027         cutnpaste_items.push_back (MenuElem (_("Copy"), mem_fun(*this, &Editor::copy)));
2028         cutnpaste_items.push_back (MenuElem (_("Paste"), bind (mem_fun(*this, &Editor::paste), 1.0f)));
2029
2030         Menu *nudge_menu = manage (new Menu());
2031         MenuList& nudge_items = nudge_menu->items();
2032         nudge_menu->set_name ("ArdourContextMenu");
2033         
2034         edit_items.push_back (SeparatorElem());
2035         nudge_items.push_back (MenuElem (_("Nudge entire track fwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, true))));
2036         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor fwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, true))));
2037         nudge_items.push_back (MenuElem (_("Nudge entire track bwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, false))));
2038         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor bwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, false))));
2039
2040         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
2041 }
2042
2043 /* CURSOR SETTING AND MARKS AND STUFF */
2044
2045 void
2046 Editor::set_snap_to (SnapType st)
2047 {
2048         snap_type = st;
2049         string str = snap_type_strings[(int) st];
2050
2051         if (str != snap_type_selector.get_active_text()) {
2052                 snap_type_selector.set_active_text (str);
2053         }
2054
2055         instant_save ();
2056
2057         switch (snap_type) {
2058         case SnapToAThirtysecondBeat:
2059         case SnapToASixteenthBeat:
2060         case SnapToAEighthBeat:
2061         case SnapToAQuarterBeat:
2062         case SnapToAThirdBeat:
2063                 update_tempo_based_rulers ();
2064         default:
2065                 /* relax */
2066                 break;
2067     }
2068 }
2069
2070 void
2071 Editor::set_snap_mode (SnapMode mode)
2072 {
2073         snap_mode = mode;
2074         string str = snap_mode_strings[(int)mode];
2075
2076         if (str != snap_mode_selector.get_active_text ()) {
2077                 snap_mode_selector.set_active_text (str);
2078         }
2079
2080         instant_save ();
2081 }
2082
2083 int
2084 Editor::set_state (const XMLNode& node)
2085 {
2086         const XMLProperty* prop;
2087         XMLNode* geometry;
2088         int x, y, xoff, yoff;
2089         Gdk::Geometry g;
2090
2091         if ((prop = node.property ("id")) != 0) {
2092                 _id = prop->value ();
2093         }
2094
2095         if ((geometry = find_named_node (node, "geometry")) == 0) {
2096
2097                 g.base_width = default_width;
2098                 g.base_height = default_height;
2099                 x = 1;
2100                 y = 1;
2101                 xoff = 0;
2102                 yoff = 21;
2103
2104         } else {
2105
2106                 g.base_width = atoi(geometry->property("x_size")->value());
2107                 g.base_height = atoi(geometry->property("y_size")->value());
2108                 x = atoi(geometry->property("x_pos")->value());
2109                 y = atoi(geometry->property("y_pos")->value());
2110                 xoff = atoi(geometry->property("x_off")->value());
2111                 yoff = atoi(geometry->property("y_off")->value());
2112         }
2113
2114         set_default_size (g.base_width, g.base_height);
2115         move (x, y);
2116
2117         if ((prop = node.property ("zoom-focus"))) {
2118                 set_zoom_focus ((ZoomFocus) atoi (prop->value()));
2119         }
2120
2121         if ((prop = node.property ("zoom"))) {
2122                 set_frames_per_unit (PBD::atof (prop->value()));
2123         }
2124
2125         if ((prop = node.property ("snap-to"))) {
2126                 set_snap_to ((SnapType) atoi (prop->value()));
2127         }
2128
2129         if ((prop = node.property ("snap-mode"))) {
2130                 set_snap_mode ((SnapMode) atoi (prop->value()));
2131         }
2132
2133         if ((prop = node.property ("mouse-mode"))) {
2134                 MouseMode m = str2mousemode(prop->value());
2135                 mouse_mode = MouseMode ((int) m + 1); /* lie, force mode switch */
2136                 set_mouse_mode (m, true);
2137         } else {
2138                 mouse_mode = MouseGain; /* lie, to force the mode switch */
2139                 set_mouse_mode (MouseObject, true);
2140         }
2141
2142         if ((prop = node.property ("show-waveforms"))) {
2143                 bool yn = (prop->value() == "yes");
2144                 _show_waveforms = !yn;
2145                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleWaveformVisibility"));
2146                 if (act) {
2147                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2148                         /* do it twice to force the change */
2149                         tact->set_active (!yn);
2150                         tact->set_active (yn);
2151                 }
2152         }
2153
2154         if ((prop = node.property ("show-waveforms-recording"))) {
2155                 bool yn = (prop->value() == "yes");
2156                 _show_waveforms_recording = !yn;
2157                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleWaveformsWhileRecording"));
2158                 if (act) {
2159                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2160                         /* do it twice to force the change */
2161                         tact->set_active (!yn);
2162                         tact->set_active (yn);
2163                 }
2164         }
2165         
2166         if ((prop = node.property ("show-measures"))) {
2167                 bool yn = (prop->value() == "yes");
2168                 _show_measures = !yn;
2169                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleMeasureVisibility"));
2170                 if (act) {
2171                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2172                         /* do it twice to force the change */
2173                         tact->set_active (!yn);
2174                         tact->set_active (yn);
2175                 }
2176         }
2177
2178         if ((prop = node.property ("follow-playhead"))) {
2179                 bool yn = (prop->value() == "yes");
2180                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
2181                 if (act) {
2182                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2183                         /* do it twice to force the change */
2184                         tact->set_active (!yn);
2185                         tact->set_active (yn);
2186                 }
2187         }
2188
2189
2190         if ((prop = node.property ("region-list-sort-type"))) {
2191                 region_list_sort_type = (Editing::RegionListSortType) -1; // force change 
2192                 reset_region_list_sort_type(str2regionlistsorttype(prop->value()));
2193         }
2194
2195         if ((prop = node.property ("xfades-visible"))) {
2196                 bool yn = (prop->value() == "yes");
2197                 _xfade_visibility = !yn;
2198                 // set_xfade_visibility (yn);
2199         }
2200
2201         if ((prop = node.property ("show-editor-mixer"))) {
2202
2203                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2204                 if (act) {
2205
2206                         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2207                         bool yn = (prop->value() == X_("yes"));
2208
2209                         /* do it twice to force the change */
2210                         
2211                         tact->set_active (!yn);
2212                         tact->set_active (yn);
2213                 }
2214         }
2215
2216
2217         return 0;
2218 }
2219
2220 XMLNode&
2221 Editor::get_state ()
2222 {
2223         XMLNode* node = new XMLNode ("Editor");
2224         char buf[32];
2225
2226         _id.print (buf, sizeof (buf));
2227         node->add_property ("id", buf);
2228         
2229         if (is_realized()) {
2230                 Glib::RefPtr<Gdk::Window> win = get_window();
2231                 
2232                 int x, y, xoff, yoff, width, height;
2233                 win->get_root_origin(x, y);
2234                 win->get_position(xoff, yoff);
2235                 win->get_size(width, height);
2236                 
2237                 XMLNode* geometry = new XMLNode ("geometry");
2238
2239                 snprintf(buf, sizeof(buf), "%d", width);
2240                 geometry->add_property("x_size", string(buf));
2241                 snprintf(buf, sizeof(buf), "%d", height);
2242                 geometry->add_property("y_size", string(buf));
2243                 snprintf(buf, sizeof(buf), "%d", x);
2244                 geometry->add_property("x_pos", string(buf));
2245                 snprintf(buf, sizeof(buf), "%d", y);
2246                 geometry->add_property("y_pos", string(buf));
2247                 snprintf(buf, sizeof(buf), "%d", xoff);
2248                 geometry->add_property("x_off", string(buf));
2249                 snprintf(buf, sizeof(buf), "%d", yoff);
2250                 geometry->add_property("y_off", string(buf));
2251                 snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (static_cast<Paned*>(&edit_pane)->gobj()));
2252                 geometry->add_property("edit_pane_pos", string(buf));
2253
2254                 node->add_child_nocopy (*geometry);
2255         }
2256
2257         snprintf (buf, sizeof(buf), "%d", (int) zoom_focus);
2258         node->add_property ("zoom-focus", buf);
2259         snprintf (buf, sizeof(buf), "%f", frames_per_unit);
2260         node->add_property ("zoom", buf);
2261         snprintf (buf, sizeof(buf), "%d", (int) snap_type);
2262         node->add_property ("snap-to", buf);
2263         snprintf (buf, sizeof(buf), "%d", (int) snap_mode);
2264         node->add_property ("snap-mode", buf);
2265
2266         node->add_property ("show-waveforms", _show_waveforms ? "yes" : "no");
2267         node->add_property ("show-waveforms-recording", _show_waveforms_recording ? "yes" : "no");
2268         node->add_property ("show-measures", _show_measures ? "yes" : "no");
2269         node->add_property ("follow-playhead", _follow_playhead ? "yes" : "no");
2270         node->add_property ("xfades-visible", _xfade_visibility ? "yes" : "no");
2271         node->add_property ("region-list-sort-type", enum2str(region_list_sort_type));
2272         node->add_property ("mouse-mode", enum2str(mouse_mode));
2273         
2274         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2275         if (act) {
2276                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2277                 node->add_property (X_("show-editor-mixer"), tact->get_active() ? "yes" : "no");
2278         }
2279
2280         return *node;
2281 }
2282
2283
2284
2285 TimeAxisView *
2286 Editor::trackview_by_y_position (double y)
2287 {
2288         for (TrackViewList::iterator iter = track_views.begin(); iter != track_views.end(); ++iter) {
2289
2290                 TimeAxisView *tv;
2291
2292                 if ((tv = (*iter)->covers_y_position (y)) != 0) {
2293                         return tv;
2294                 }
2295         }
2296
2297         return 0;
2298 }
2299
2300 void
2301 Editor::snap_to (nframes_t& start, int32_t direction, bool for_mark)
2302 {
2303         Location* before = 0;
2304         Location* after = 0;
2305
2306         if (!session) {
2307                 return;
2308         }
2309
2310         const nframes_t one_second = session->frame_rate();
2311         const nframes_t one_minute = session->frame_rate() * 60;
2312         const nframes_t one_smpte_second = (nframes_t)(rint(session->smpte_frames_per_second()) * session->frames_per_smpte_frame());
2313         nframes_t one_smpte_minute = (nframes_t)(rint(session->smpte_frames_per_second()) * session->frames_per_smpte_frame() * 60);
2314         nframes_t presnap = start;
2315
2316         switch (snap_type) {
2317         case SnapToFrame:
2318                 break;
2319
2320         case SnapToCDFrame:
2321                 if (direction) {
2322                         start = (nframes_t) ceil ((double) start / (one_second / 75)) * (one_second / 75);
2323                 } else {
2324                         start = (nframes_t) floor ((double) start / (one_second / 75)) * (one_second / 75);
2325                 }
2326                 break;
2327
2328         case SnapToSMPTEFrame:
2329                 if (fmod((double)start, (double)session->frames_per_smpte_frame()) > (session->frames_per_smpte_frame() / 2)) {
2330                         start = (nframes_t) (ceil ((double) start / session->frames_per_smpte_frame()) * session->frames_per_smpte_frame());
2331                 } else {
2332                         start = (nframes_t) (floor ((double) start / session->frames_per_smpte_frame()) *  session->frames_per_smpte_frame());
2333                 }
2334                 break;
2335
2336         case SnapToSMPTESeconds:
2337                 if (session->smpte_offset_negative())
2338                 {
2339                         start += session->smpte_offset ();
2340                 } else {
2341                         start -= session->smpte_offset ();
2342                 }    
2343                 if (start % one_smpte_second > one_smpte_second / 2) {
2344                         start = (nframes_t) ceil ((double) start / one_smpte_second) * one_smpte_second;
2345                 } else {
2346                         start = (nframes_t) floor ((double) start / one_smpte_second) * one_smpte_second;
2347                 }
2348                 
2349                 if (session->smpte_offset_negative())
2350                 {
2351                         start -= session->smpte_offset ();
2352                 } else {
2353                         start += session->smpte_offset ();
2354                 }
2355                 break;
2356                 
2357         case SnapToSMPTEMinutes:
2358                 if (session->smpte_offset_negative())
2359                 {
2360                         start += session->smpte_offset ();
2361                 } else {
2362                         start -= session->smpte_offset ();
2363                 }
2364                 if (start % one_smpte_minute > one_smpte_minute / 2) {
2365                         start = (nframes_t) ceil ((double) start / one_smpte_minute) * one_smpte_minute;
2366                 } else {
2367                         start = (nframes_t) floor ((double) start / one_smpte_minute) * one_smpte_minute;
2368                 }
2369                 if (session->smpte_offset_negative())
2370                 {
2371                         start -= session->smpte_offset ();
2372                 } else {
2373                         start += session->smpte_offset ();
2374                 }
2375                 break;
2376                 
2377         case SnapToSeconds:
2378                 if (start % one_second > one_second / 2) {
2379                         start = (nframes_t) ceil ((double) start / one_second) * one_second;
2380                 } else {
2381                         start = (nframes_t) floor ((double) start / one_second) * one_second;
2382                 }
2383                 break;
2384                 
2385         case SnapToMinutes:
2386                 if (start % one_minute > one_minute / 2) {
2387                         start = (nframes_t) ceil ((double) start / one_minute) * one_minute;
2388                 } else {
2389                         start = (nframes_t) floor ((double) start / one_minute) * one_minute;
2390                 }
2391                 break;
2392
2393         case SnapToBar:
2394                 start = session->tempo_map().round_to_bar (start, direction);
2395                 break;
2396
2397         case SnapToBeat:
2398                 start = session->tempo_map().round_to_beat (start, direction);
2399                 break;
2400
2401         case SnapToAThirtysecondBeat:
2402                 start = session->tempo_map().round_to_beat_subdivision (start, 32);
2403                 break;
2404
2405         case SnapToASixteenthBeat:
2406                 start = session->tempo_map().round_to_beat_subdivision (start, 16);
2407                 break;
2408
2409         case SnapToAEighthBeat:
2410                 start = session->tempo_map().round_to_beat_subdivision (start, 8);
2411                 break;
2412
2413         case SnapToAQuarterBeat:
2414                 start = session->tempo_map().round_to_beat_subdivision (start, 4);
2415                 break;
2416
2417         case SnapToAThirdBeat:
2418                 start = session->tempo_map().round_to_beat_subdivision (start, 3);
2419                 break;
2420
2421         case SnapToEditCursor:
2422                 start = edit_cursor->current_frame;
2423                 break;
2424
2425         case SnapToMark:
2426                 if (for_mark) {
2427                         return;
2428                 }
2429
2430                 before = session->locations()->first_location_before (start);
2431                 after = session->locations()->first_location_after (start);
2432
2433                 if (direction < 0) {
2434                         if (before) {
2435                                 start = before->start();
2436                         } else {
2437                                 start = 0;
2438                         }
2439                 } else if (direction > 0) {
2440                         if (after) {
2441                                 start = after->start();
2442                         } else {
2443                                 start = session->current_end_frame();
2444                         }
2445                 } else {
2446                         if (before) {
2447                                 if (after) {
2448                                         /* find nearest of the two */
2449                                         if ((start - before->start()) < (after->start() - start)) {
2450                                                 start = before->start();
2451                                         } else {
2452                                                 start = after->start();
2453                                         }
2454                                 } else {
2455                                         start = before->start();
2456                                 }
2457                         } else if (after) {
2458                                 start = after->start();
2459                         } else {
2460                                 /* relax */
2461                         }
2462                 }
2463                 break;
2464
2465         case SnapToRegionStart:
2466         case SnapToRegionEnd:
2467         case SnapToRegionSync:
2468         case SnapToRegionBoundary:
2469                 if (!region_boundary_cache.empty()) {
2470                         vector<nframes_t>::iterator i;
2471
2472                         if (direction > 0) {
2473                                 i = std::upper_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2474                         } else {
2475                                 i = std::lower_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2476                         }
2477                         
2478                         if (i != region_boundary_cache.end()) {
2479                                 start = *i;
2480                         } else {
2481                                 start = region_boundary_cache.back();
2482                         }
2483                 }
2484                 break;
2485         }
2486
2487         switch (snap_mode) {
2488         case SnapNormal:
2489                 return;                 
2490                 
2491         case SnapMagnetic:
2492                 
2493                 if (presnap > start) {
2494                         if (presnap > (start + unit_to_frame(snap_threshold))) {
2495                                 start = presnap;
2496                         }
2497                         
2498                 } else if (presnap < start) {
2499                         if (presnap < (start - unit_to_frame(snap_threshold))) {
2500                                 start = presnap;
2501                         }
2502                 }
2503                 
2504         default:
2505                 return;
2506                 
2507         }
2508 }
2509
2510 void
2511 Editor::setup_toolbar ()
2512 {
2513         string pixmap_path;
2514
2515         const guint32 FUDGE = 18; // Combo's are stupid - they steal space from the entry for the button
2516
2517
2518         /* Mode Buttons (tool selection) */
2519
2520         vector<ToggleButton *> mouse_mode_buttons;
2521
2522         mouse_move_button.add (*(manage (new Image (::get_icon("tool_object")))));
2523         mouse_move_button.set_relief(Gtk::RELIEF_NONE);
2524         mouse_mode_buttons.push_back (&mouse_move_button);
2525         mouse_select_button.add (*(manage (new Image (get_xpm("tool_range.xpm")))));
2526         mouse_select_button.set_relief(Gtk::RELIEF_NONE);
2527         mouse_mode_buttons.push_back (&mouse_select_button);
2528         mouse_gain_button.add (*(manage (new Image (::get_icon("tool_gain")))));
2529         mouse_gain_button.set_relief(Gtk::RELIEF_NONE);
2530         mouse_mode_buttons.push_back (&mouse_gain_button);
2531         mouse_zoom_button.add (*(manage (new Image (::get_icon("tool_zoom")))));
2532         mouse_zoom_button.set_relief(Gtk::RELIEF_NONE);
2533         mouse_mode_buttons.push_back (&mouse_zoom_button);
2534         mouse_timefx_button.add (*(manage (new Image (::get_icon("tool_stretch")))));
2535         mouse_timefx_button.set_relief(Gtk::RELIEF_NONE);
2536         mouse_mode_buttons.push_back (&mouse_timefx_button);
2537         mouse_audition_button.add (*(manage (new Image (::get_icon("tool_audition")))));
2538         mouse_audition_button.set_relief(Gtk::RELIEF_NONE);
2539         mouse_mode_buttons.push_back (&mouse_audition_button);
2540         
2541         mouse_mode_button_set = new GroupedButtons (mouse_mode_buttons);
2542
2543         HBox* mode_box = manage(new HBox);
2544         mode_box->set_border_width (2);
2545         mode_box->set_spacing(4);
2546         mouse_mode_button_box.set_spacing(1);
2547         mouse_mode_button_box.pack_start(mouse_move_button, true, true);
2548         mouse_mode_button_box.pack_start(mouse_select_button, true, true);
2549         mouse_mode_button_box.pack_start(mouse_zoom_button, true, true);
2550         mouse_mode_button_box.pack_start(mouse_gain_button, true, true);
2551         mouse_mode_button_box.pack_start(mouse_timefx_button, true, true);
2552         mouse_mode_button_box.pack_start(mouse_audition_button, true, true);
2553         mouse_mode_button_box.set_homogeneous(true);
2554
2555         vector<string> edit_mode_strings;
2556         edit_mode_strings.push_back (edit_mode_to_string (Splice));
2557         edit_mode_strings.push_back (edit_mode_to_string (Slide));
2558
2559         edit_mode_selector.set_name ("EditModeSelector");
2560         Gtkmm2ext::set_size_request_to_display_given_text (edit_mode_selector, longest (edit_mode_strings).c_str(), 2+FUDGE, 10);
2561         set_popdown_strings (edit_mode_selector, edit_mode_strings);
2562         edit_mode_selector.signal_changed().connect (mem_fun(*this, &Editor::edit_mode_selection_done));
2563
2564         mode_box->pack_start(edit_mode_selector);
2565         mode_box->pack_start(mouse_mode_button_box);
2566         
2567         mouse_mode_tearoff = manage (new TearOff (*mode_box));
2568         mouse_mode_tearoff->set_name ("MouseModeBase");
2569
2570         mouse_mode_tearoff->Detach.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox), 
2571                                                   &mouse_mode_tearoff->tearoff_window()));
2572         mouse_mode_tearoff->Attach.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox), 
2573                                                   &mouse_mode_tearoff->tearoff_window(), 1));
2574         mouse_mode_tearoff->Hidden.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox), 
2575                                                   &mouse_mode_tearoff->tearoff_window()));
2576         mouse_mode_tearoff->Visible.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox), 
2577                                                    &mouse_mode_tearoff->tearoff_window(), 1));
2578
2579         mouse_move_button.set_name ("MouseModeButton");
2580         mouse_select_button.set_name ("MouseModeButton");
2581         mouse_gain_button.set_name ("MouseModeButton");
2582         mouse_zoom_button.set_name ("MouseModeButton");
2583         mouse_timefx_button.set_name ("MouseModeButton");
2584         mouse_audition_button.set_name ("MouseModeButton");
2585
2586         ARDOUR_UI::instance()->tooltips().set_tip (mouse_move_button, _("Select/Move Objects"));
2587         ARDOUR_UI::instance()->tooltips().set_tip (mouse_select_button, _("Select/Move Ranges"));
2588         ARDOUR_UI::instance()->tooltips().set_tip (mouse_gain_button, _("Draw Gain Automation"));
2589         ARDOUR_UI::instance()->tooltips().set_tip (mouse_zoom_button, _("Select Zoom Range"));
2590         ARDOUR_UI::instance()->tooltips().set_tip (mouse_timefx_button, _("Stretch/Shrink Regions"));
2591         ARDOUR_UI::instance()->tooltips().set_tip (mouse_audition_button, _("Listen to Specific Regions"));
2592
2593         mouse_move_button.unset_flags (CAN_FOCUS);
2594         mouse_select_button.unset_flags (CAN_FOCUS);
2595         mouse_gain_button.unset_flags (CAN_FOCUS);
2596         mouse_zoom_button.unset_flags (CAN_FOCUS);
2597         mouse_timefx_button.unset_flags (CAN_FOCUS);
2598         mouse_audition_button.unset_flags (CAN_FOCUS);
2599
2600         mouse_select_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseRange));
2601         mouse_select_button.signal_button_release_event().connect (mem_fun(*this, &Editor::mouse_select_button_release));
2602
2603         mouse_move_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseObject));
2604         mouse_gain_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseGain));
2605         mouse_zoom_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseZoom));
2606         mouse_timefx_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseTimeFX));
2607         mouse_audition_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseAudition));
2608
2609         // mouse_move_button.set_active (true);
2610         
2611
2612         /* Zoom */
2613         
2614         zoom_box.set_spacing (1);
2615         zoom_box.set_border_width (2);
2616
2617         zoom_in_button.set_name ("EditorTimeButton");
2618         zoom_in_button.set_size_request(-1,16);
2619         zoom_in_button.add (*(manage (new Image (::get_icon("zoom_in")))));
2620         zoom_in_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::temporal_zoom_step), false));
2621         ARDOUR_UI::instance()->tooltips().set_tip (zoom_in_button, _("Zoom In"));
2622         
2623         zoom_out_button.set_name ("EditorTimeButton");
2624         zoom_out_button.set_size_request(-1,16);
2625         zoom_out_button.add (*(manage (new Image (::get_icon("zoom_out")))));
2626         zoom_out_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::temporal_zoom_step), true));
2627         ARDOUR_UI::instance()->tooltips().set_tip (zoom_out_button, _("Zoom Out"));
2628
2629         zoom_out_full_button.set_name ("EditorTimeButton");
2630         zoom_out_full_button.set_size_request(-1,16);
2631         zoom_out_full_button.add (*(manage (new Image (::get_icon("zoom_full")))));
2632         zoom_out_full_button.signal_clicked().connect (mem_fun(*this, &Editor::temporal_zoom_session));
2633         ARDOUR_UI::instance()->tooltips().set_tip (zoom_out_full_button, _("Zoom to Session"));
2634         
2635         zoom_focus_selector.set_name ("ZoomFocusSelector");
2636         Gtkmm2ext::set_size_request_to_display_given_text (zoom_focus_selector, "Edit Cursor", FUDGE, 0);
2637         set_popdown_strings (zoom_focus_selector, zoom_focus_strings);
2638         zoom_focus_selector.signal_changed().connect (mem_fun(*this, &Editor::zoom_focus_selection_done));
2639         ARDOUR_UI::instance()->tooltips().set_tip (zoom_focus_selector, _("Zoom focus"));
2640
2641         zoom_box.pack_start (zoom_focus_selector, true, true);
2642         zoom_box.pack_start (zoom_out_button, false, false);
2643         zoom_box.pack_start (zoom_in_button, false, false);
2644         zoom_box.pack_start (zoom_out_full_button, false, false);
2645
2646         /* Edit Cursor / Snap */
2647
2648         snap_box.set_spacing (1);
2649         snap_box.set_border_width (2);
2650
2651         snap_type_selector.set_name ("SnapTypeSelector");
2652         Gtkmm2ext::set_size_request_to_display_given_text (snap_type_selector, "SMPTE Seconds", 2+FUDGE, 10);
2653         set_popdown_strings (snap_type_selector, snap_type_strings);
2654         snap_type_selector.signal_changed().connect (mem_fun(*this, &Editor::snap_type_selection_done));
2655         ARDOUR_UI::instance()->tooltips().set_tip (snap_type_selector, _("Unit to snap cursors and ranges to"));
2656
2657         snap_mode_selector.set_name ("SnapModeSelector");
2658         Gtkmm2ext::set_size_request_to_display_given_text (snap_mode_selector, "Magnetic Snap", 2+FUDGE, 10);
2659         set_popdown_strings (snap_mode_selector, snap_mode_strings);
2660         snap_mode_selector.signal_changed().connect (mem_fun(*this, &Editor::snap_mode_selection_done));
2661
2662         snap_box.pack_start (edit_cursor_clock, false, false);
2663         snap_box.pack_start (snap_mode_selector, false, false);
2664         snap_box.pack_start (snap_type_selector, false, false);
2665
2666
2667         /* Nudge */
2668
2669         HBox *nudge_box = manage (new HBox);
2670         nudge_box->set_spacing(1);
2671         nudge_box->set_border_width (2);
2672
2673         nudge_forward_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::nudge_forward), false));
2674         nudge_backward_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::nudge_backward), false));
2675
2676         nudge_box->pack_start (nudge_backward_button, false, false);
2677         nudge_box->pack_start (nudge_forward_button, false, false);
2678         nudge_box->pack_start (nudge_clock, false, false);
2679
2680
2681         /* Pack everything in... */
2682
2683         HBox* hbox = new HBox;
2684         hbox->set_spacing(10);
2685
2686         tools_tearoff = new TearOff (*hbox);
2687         tools_tearoff->set_name ("MouseModeBase");
2688
2689         tools_tearoff->Detach.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox), 
2690                                              &tools_tearoff->tearoff_window()));
2691         tools_tearoff->Attach.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox), 
2692                                              &tools_tearoff->tearoff_window(), 0));
2693         tools_tearoff->Hidden.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox), 
2694                                              &tools_tearoff->tearoff_window()));
2695         tools_tearoff->Visible.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox), 
2696                                               &tools_tearoff->tearoff_window(), 0));
2697
2698         toolbar_hbox.set_spacing (10);
2699         toolbar_hbox.set_border_width (1);
2700
2701         toolbar_hbox.pack_start (*mouse_mode_tearoff, false, false);
2702         toolbar_hbox.pack_start (*tools_tearoff, false, false);
2703
2704         
2705         hbox->pack_start (snap_box, false, false);
2706         // hbox->pack_start (zoom_box, false, false); 
2707         hbox->pack_start (*nudge_box, false, false);
2708
2709         hbox->show_all ();
2710         
2711         toolbar_base.set_name ("ToolBarBase");
2712         toolbar_base.add (toolbar_hbox);
2713
2714         toolbar_frame.set_shadow_type (SHADOW_OUT);
2715         toolbar_frame.set_name ("BaseFrame");
2716         toolbar_frame.add (toolbar_base);
2717 }
2718
2719 int
2720 Editor::convert_drop_to_paths (vector<ustring>& paths, 
2721                                const RefPtr<Gdk::DragContext>& context,
2722                                gint                x,
2723                                gint                y,
2724                                const SelectionData& data,
2725                                guint               info,
2726                                guint               time)                               
2727
2728 {       
2729         if (session == 0) {
2730                 return -1;
2731         }
2732
2733         vector<ustring> uris = data.get_uris();
2734
2735         if (uris.empty()) {
2736                 
2737                 /* This is seriously fucked up. Nautilus doesn't say that its URI lists
2738                    are actually URI lists. So do it by hand.
2739                 */
2740
2741                 if (data.get_target() != "text/plain") {
2742                         return -1;
2743                 }
2744   
2745                 /* Parse the "uri-list" format that Nautilus provides, 
2746                    where each pathname is delimited by \r\n
2747                 */
2748         
2749                 const char* p = data.get_text().c_str();
2750                 const char* q;
2751
2752                 while (p)
2753                 {
2754                         if (*p != '#')
2755                         {
2756                                 while (g_ascii_isspace (*p))
2757                                         p++;
2758                                 
2759                                 q = p;
2760                                 while (*q && (*q != '\n') && (*q != '\r'))
2761                                         q++;
2762                                 
2763                                 if (q > p)
2764                                 {
2765                                         q--;
2766                                         while (q > p && g_ascii_isspace (*q))
2767                                                 q--;
2768                                         
2769                                         if (q > p)
2770                                         {
2771                                                 uris.push_back (ustring (p, q - p + 1));
2772                                         }
2773                                 }
2774                         }
2775                         p = strchr (p, '\n');
2776                         if (p)
2777                                 p++;
2778                 }
2779
2780                 if (uris.empty()) {
2781                         return -1;
2782                 }
2783         }
2784         
2785         for (vector<ustring>::iterator i = uris.begin(); i != uris.end(); ++i) {
2786                 if ((*i).substr (0,7) == "file://") {
2787                         string p = *i;
2788                         PBD::url_decode (p);
2789                         paths.push_back (p.substr (7));
2790                 }
2791         }
2792
2793         return 0;
2794 }
2795
2796 void
2797 Editor::new_tempo_section ()
2798
2799 {
2800 }
2801
2802 void
2803 Editor::map_transport_state ()
2804 {
2805         ENSURE_GUI_THREAD (mem_fun(*this, &Editor::map_transport_state));
2806
2807         if (session->transport_stopped()) {
2808                 have_pending_keyboard_selection = false;
2809         }
2810 }
2811
2812 /* UNDO/REDO */
2813
2814 Editor::State::State ()
2815 {
2816         selection = new Selection;
2817 }
2818
2819 Editor::State::~State ()
2820 {
2821         delete selection;
2822 }
2823
2824 UndoAction
2825 Editor::get_memento () const
2826 {
2827         State *state = new State;
2828
2829         store_state (*state);
2830         return bind (mem_fun (*(const_cast<Editor*>(this)), &Editor::restore_state), state);
2831 }
2832
2833 void
2834 Editor::store_state (State& state) const
2835 {
2836         *state.selection = *selection;
2837 }
2838
2839 void
2840 Editor::restore_state (State *state)
2841 {
2842         if (*selection == *state->selection) {
2843                 return;
2844         }
2845
2846         *selection = *state->selection;
2847         time_selection_changed ();
2848         region_selection_changed ();   
2849
2850         /* XXX other selection change handlers? */
2851 }
2852
2853 void
2854 Editor::begin_reversible_command (string name)
2855 {
2856         if (session) {
2857                 before = &get_state();
2858                 session->begin_reversible_command (name);
2859         }
2860 }
2861
2862 void
2863 Editor::commit_reversible_command ()
2864 {
2865         if (session) {
2866                 session->commit_reversible_command (new MementoCommand<Editor>(*this, before, &get_state()));
2867         }
2868 }
2869
2870 struct TrackViewByPositionSorter
2871 {
2872     bool operator() (const TimeAxisView* a, const TimeAxisView *b) {
2873             return a->y_position < b->y_position;
2874     }
2875 };
2876
2877 bool
2878 Editor::extend_selection_to_track (TimeAxisView& view)
2879 {
2880         if (selection->selected (&view)) {
2881                 /* already selected, do nothing */
2882                 return false;
2883         }
2884
2885         if (selection->tracks.empty()) {
2886
2887                 if (!selection->selected (&view)) {
2888                         selection->set (&view);
2889                         return true;
2890                 } else {
2891                         return false;
2892                 }
2893         } 
2894
2895         /* something is already selected, so figure out which range of things to add */
2896         
2897         TrackViewList to_be_added;
2898         TrackViewList sorted = track_views;
2899         TrackViewByPositionSorter cmp;
2900         bool passed_clicked = false;
2901         bool forwards;
2902
2903         sorted.sort (cmp);
2904
2905         if (!selection->selected (&view)) {
2906                 to_be_added.push_back (&view);
2907         }
2908
2909         /* figure out if we should go forward or backwards */
2910
2911         for (TrackViewList::iterator i = sorted.begin(); i != sorted.end(); ++i) {
2912
2913                 if ((*i) == &view) {
2914                         passed_clicked = true;
2915                 }
2916
2917                 if (selection->selected (*i)) {
2918                         if (passed_clicked) {
2919                                 forwards = true;
2920                         } else {
2921                                 forwards = false;
2922                         }
2923                         break;
2924                 }
2925         }
2926                         
2927         passed_clicked = false;
2928
2929         if (forwards) {
2930
2931                 for (TrackViewList::iterator i = sorted.begin(); i != sorted.end(); ++i) {
2932                                         
2933                         if ((*i) == &view) {
2934                                 passed_clicked = true;
2935                                 continue;
2936                         }
2937                                         
2938                         if (passed_clicked) {
2939                                 if ((*i)->hidden()) {
2940                                         continue;
2941                                 }
2942                                 if (selection->selected (*i)) {
2943                                         break;
2944                                 } else if (!(*i)->hidden()) {
2945                                         to_be_added.push_back (*i);
2946                                 }
2947                         }
2948                 }
2949
2950         } else {
2951
2952                 for (TrackViewList::reverse_iterator r = sorted.rbegin(); r != sorted.rend(); ++r) {
2953                                         
2954                         if ((*r) == &view) {
2955                                 passed_clicked = true;
2956                                 continue;
2957                         }
2958                                         
2959                         if (passed_clicked) {
2960                                                 
2961                                 if ((*r)->hidden()) {
2962                                         continue;
2963                                 }
2964                                                 
2965                                 if (selection->selected (*r)) {
2966                                         break;
2967                                 } else if (!(*r)->hidden()) {
2968                                         to_be_added.push_back (*r);
2969                                 }
2970                         }
2971                 }
2972         }
2973                         
2974         if (!to_be_added.empty()) {
2975                 selection->add (to_be_added);
2976                 return true;
2977         }
2978         
2979         return false;
2980 }
2981
2982
2983 bool
2984 Editor::set_selected_track (TimeAxisView& view, Selection::Operation op, bool no_remove)
2985 {
2986         bool commit = false;
2987
2988         switch (op) {
2989         case Selection::Toggle:
2990                 if (selection->selected (&view)) {
2991                         if (!no_remove) {
2992                                 selection->remove (&view);
2993                                 commit = true;
2994                         }
2995                 } else {
2996                         selection->add (&view);
2997                         commit = false;
2998                 }
2999                 break;
3000
3001         case Selection::Add:
3002                 if (!selection->selected (&view)) {
3003                         selection->add (&view);
3004                         commit = true;
3005                 }
3006                 break;
3007
3008         case Selection::Set:
3009                 if (selection->selected (&view) && selection->tracks.size() == 1) {
3010                         /* no commit necessary */
3011                 } else {
3012                         selection->set (&view);
3013                         commit = true;
3014                 }
3015                 break;
3016                 
3017         case Selection::Extend:
3018                 commit = extend_selection_to_track (view);
3019                 break;
3020         }
3021
3022         return commit;
3023 }
3024
3025 bool
3026 Editor::set_selected_track_from_click (Selection::Operation op, bool no_remove)
3027 {
3028         if (!clicked_trackview) {
3029                 return false;
3030         }
3031         
3032         return set_selected_track (*clicked_trackview, op, no_remove);
3033 }
3034
3035 bool
3036 Editor::set_selected_control_point_from_click (Selection::Operation op, bool no_remove)
3037 {
3038         if (!clicked_control_point) {
3039                 return false;
3040         }
3041
3042         /* select this point and any others that it represents */
3043
3044         double y1, y2;
3045         nframes_t x1, x2;
3046
3047         x1 = pixel_to_frame (clicked_control_point->get_x() - 10);
3048         x2 = pixel_to_frame (clicked_control_point->get_x() + 10);
3049         y1 = clicked_control_point->get_x() - 10;
3050         y2 = clicked_control_point->get_y() + 10;
3051
3052         return select_all_within (x1, x2, y1, y2, op);
3053 }
3054
3055 void
3056 Editor::get_relevant_audio_tracks (set<AudioTimeAxisView*>& relevant_tracks)
3057 {
3058         /* step one: get all selected tracks and all tracks in the relevant edit groups */
3059
3060         for (TrackSelection::iterator ti = selection->tracks.begin(); ti != selection->tracks.end(); ++ti) {
3061
3062                 AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*>(*ti);
3063
3064                 if (!atv) {
3065                         continue;
3066                 }
3067
3068                 RouteGroup* group = atv->route()->edit_group();
3069
3070                 if (group && group->is_active()) {
3071                         
3072                         /* active group for this track, loop over all tracks and get every member of the group */
3073
3074                         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3075                                 
3076                                 AudioTimeAxisView* tatv;
3077                                 
3078                                 if ((tatv = dynamic_cast<AudioTimeAxisView*> (*i)) != 0) {
3079                                         
3080                                         if (tatv->route()->edit_group() == group) {
3081                                                 relevant_tracks.insert (tatv);
3082                                         }
3083                                 }
3084                         }
3085                 } else {
3086                         relevant_tracks.insert (atv);
3087                 }
3088         }
3089 }
3090
3091 void
3092 Editor::mapover_audio_tracks (slot<void,AudioTimeAxisView&,uint32_t> sl)
3093 {
3094         set<AudioTimeAxisView*> relevant_tracks;
3095
3096         get_relevant_audio_tracks (relevant_tracks);
3097
3098         uint32_t sz = relevant_tracks.size();
3099
3100         for (set<AudioTimeAxisView*>::iterator ati = relevant_tracks.begin(); ati != relevant_tracks.end(); ++ati) {
3101                 sl (**ati, sz);
3102         }
3103 }
3104
3105 void
3106 Editor::mapped_set_selected_regionview_from_click (RouteTimeAxisView& tv, uint32_t ignored, 
3107                                                    RegionView* basis, vector<RegionView*>* all_equivs)
3108 {
3109         boost::shared_ptr<Playlist> pl;
3110         vector<boost::shared_ptr<Region> > results;
3111         RegionView* marv;
3112         boost::shared_ptr<Diskstream> ds;
3113
3114         if ((ds = tv.get_diskstream()) == 0) {
3115                 /* bus */
3116                 return;
3117         }
3118
3119         if (&tv == &basis->get_time_axis_view()) {
3120                 /* looking in same track as the original */
3121                 return;
3122         }
3123
3124         
3125         if ((pl = ds->playlist()) != 0) {
3126                 pl->get_equivalent_regions (basis->region(), results);
3127         }
3128         
3129         for (vector<boost::shared_ptr<Region> >::iterator ir = results.begin(); ir != results.end(); ++ir) {
3130                 if ((marv = tv.view()->find_view (*ir)) != 0) {
3131                         all_equivs->push_back (marv);
3132                 }
3133         }
3134 }
3135
3136 bool
3137 Editor::set_selected_regionview_from_click (bool press, Selection::Operation op, bool no_track_remove)
3138 {
3139         vector<RegionView*> all_equivalent_regions;
3140         bool commit = false;
3141
3142         if (!clicked_regionview || !clicked_audio_trackview) {
3143                 return false;
3144         }
3145
3146         if (op == Selection::Toggle || op == Selection::Set) {
3147                 
3148                 mapover_audio_tracks (bind (mem_fun (*this, &Editor::mapped_set_selected_regionview_from_click), 
3149                                             clicked_regionview, &all_equivalent_regions));
3150                 
3151                 
3152                 /* add clicked regionview since we skipped all other regions in the same track as the one it was in */
3153                 
3154                 all_equivalent_regions.push_back (clicked_regionview);
3155                 
3156                 switch (op) {
3157                 case Selection::Toggle:
3158                         
3159                         if (clicked_regionview->get_selected()) {
3160                                 if (press) {
3161
3162                                         /* whatever was clicked was selected already; do nothing here but allow
3163                                            the button release to deselect it
3164                                         */
3165
3166                                         button_release_can_deselect = true;
3167
3168                                 } else {
3169
3170                                         if (button_release_can_deselect) {
3171
3172                                                 /* just remove this one region, but only on a permitted button release */
3173
3174                                                 selection->remove (clicked_regionview);
3175                                                 commit = true;
3176
3177                                                 /* no more deselect action on button release till a new press
3178                                                    finds an already selected object.
3179                                                 */
3180
3181                                                 button_release_can_deselect = false;
3182                                         }
3183                                 } 
3184
3185                         } else {
3186
3187                                 if (press) {
3188                                         /* add all the equivalent regions, but only on button press */
3189                                         
3190                                         if (!all_equivalent_regions.empty()) {
3191                                                 commit = true;
3192                                         }
3193                                         
3194                                         for (vector<RegionView*>::iterator i = all_equivalent_regions.begin(); i != all_equivalent_regions.end(); ++i) {
3195                                                 selection->add (*i);
3196                                         }
3197                                 } 
3198                         }
3199                         break;
3200                         
3201                 case Selection::Set:
3202                         if (!clicked_regionview->get_selected()) {
3203                                 selection->set (all_equivalent_regions);
3204                                 commit = true;
3205                         } else {
3206                                 /* no commit necessary: clicked on an already selected region */
3207                                 goto out;
3208                         }
3209                         break;
3210
3211                 default:
3212                         /* silly compiler */
3213                         break;
3214                 }
3215
3216         } else if (op == Selection::Extend) {
3217
3218                 list<Selectable*> results;
3219                 nframes_t last_frame;
3220                 nframes_t first_frame;
3221
3222                 /* 1. find the last selected regionview in the track that was clicked in */
3223
3224                 last_frame = 0;
3225                 first_frame = max_frames;
3226
3227                 for (RegionSelection::iterator x = selection->regions.begin(); x != selection->regions.end(); ++x) {
3228                         if (&(*x)->get_time_axis_view() == &clicked_regionview->get_time_axis_view()) {
3229
3230                                 if ((*x)->region()->last_frame() > last_frame) {
3231                                         last_frame = (*x)->region()->last_frame();
3232                                 }
3233
3234                                 if ((*x)->region()->first_frame() < first_frame) {
3235                                         first_frame = (*x)->region()->first_frame();
3236                                 }
3237                         }
3238                 }
3239
3240                 /* 2. figure out the boundaries for our search for new objects */
3241
3242                 switch (clicked_regionview->region()->coverage (first_frame, last_frame)) {
3243                 case OverlapNone:
3244                         if (last_frame < clicked_regionview->region()->first_frame()) {
3245                                 first_frame = last_frame;
3246                                 last_frame = clicked_regionview->region()->last_frame();
3247                         } else {
3248                                 last_frame = first_frame;
3249                                 first_frame = clicked_regionview->region()->first_frame();
3250                         }
3251                         break;
3252
3253                 case OverlapExternal:
3254                         if (last_frame < clicked_regionview->region()->first_frame()) {
3255                                 first_frame = last_frame;
3256                                 last_frame = clicked_regionview->region()->last_frame();
3257                         } else {
3258                                 last_frame = first_frame;
3259                                 first_frame = clicked_regionview->region()->first_frame();
3260                         }
3261                         break;
3262
3263                 case OverlapInternal:
3264                         if (last_frame < clicked_regionview->region()->first_frame()) {
3265                                 first_frame = last_frame;
3266                                 last_frame = clicked_regionview->region()->last_frame();
3267                         } else {
3268                                 last_frame = first_frame;
3269                                 first_frame = clicked_regionview->region()->first_frame();
3270                         }
3271                         break;
3272
3273                 case OverlapStart:
3274                 case OverlapEnd:
3275                         /* nothing to do except add clicked region to selection, since it
3276                            overlaps with the existing selection in this track.
3277                         */
3278                         break;
3279                 }
3280
3281                 /* 2. find all selectable objects (regionviews in this case) between that one and the end of the
3282                       one that was clicked.
3283                 */
3284
3285                 set<AudioTimeAxisView*> relevant_tracks;
3286                 
3287                 get_relevant_audio_tracks (relevant_tracks);
3288                 
3289                 for (set<AudioTimeAxisView*>::iterator t = relevant_tracks.begin(); t != relevant_tracks.end(); ++t) {
3290                         (*t)->get_selectables (first_frame, last_frame, -1.0, -1.0, results);
3291                 }
3292                 
3293                 /* 3. convert to a vector of audio regions */
3294
3295                 vector<RegionView*> regions;
3296                 
3297                 for (list<Selectable*>::iterator x = results.begin(); x != results.end(); ++x) {
3298                         RegionView* arv;
3299
3300                         if ((arv = dynamic_cast<RegionView*>(*x)) != 0) {
3301                                 regions.push_back (arv);
3302                         }
3303                 }
3304
3305                 if (!regions.empty()) {
3306                         selection->add (regions);
3307                         commit = true;
3308                 }
3309         }
3310
3311   out:
3312         return commit;
3313 }
3314
3315 void
3316 Editor::set_selected_regionview_from_region_list (boost::shared_ptr<Region> region, Selection::Operation op)
3317 {
3318         vector<RegionView*> all_equivalent_regions;
3319
3320         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3321                 
3322                 RouteTimeAxisView* tatv;
3323                 
3324                 if ((tatv = dynamic_cast<RouteTimeAxisView*> (*i)) != 0) {
3325                         
3326                         boost::shared_ptr<Playlist> pl;
3327                         vector<boost::shared_ptr<Region> > results;
3328                         RegionView* marv;
3329                         boost::shared_ptr<Diskstream> ds;
3330                         
3331                         if ((ds = tatv->get_diskstream()) == 0) {
3332                                 /* bus */
3333                                 continue;
3334                         }
3335                         
3336                         if ((pl = (ds->playlist())) != 0) {
3337                                 pl->get_region_list_equivalent_regions (region, results);
3338                         }
3339                         
3340                         for (vector<boost::shared_ptr<Region> >::iterator ir = results.begin(); ir != results.end(); ++ir) {
3341                                 if ((marv = tatv->view()->find_view (*ir)) != 0) {
3342                                         all_equivalent_regions.push_back (marv);
3343                                 }
3344                         }
3345                         
3346                 }
3347         }
3348         
3349         begin_reversible_command (_("set selected regions"));
3350         
3351         switch (op) {
3352         case Selection::Toggle:
3353                 /* XXX this is not correct */
3354                 selection->toggle (all_equivalent_regions);
3355                 break;
3356         case Selection::Set:
3357                 selection->set (all_equivalent_regions);
3358                 break;
3359         case Selection::Extend:
3360                 selection->add (all_equivalent_regions);
3361                 break;
3362         case Selection::Add:
3363                 selection->add (all_equivalent_regions);
3364                 break;
3365         }
3366
3367         commit_reversible_command () ;
3368 }
3369
3370 bool
3371 Editor::set_selected_regionview_from_map_event (GdkEventAny* ev, StreamView* sv, boost::weak_ptr<Region> weak_r)
3372 {
3373         RegionView* rv;
3374         boost::shared_ptr<Region> r (weak_r.lock());
3375
3376         if (!r) {
3377                 return true;
3378         }
3379
3380         boost::shared_ptr<AudioRegion> ar;
3381
3382         if ((ar = boost::dynamic_pointer_cast<AudioRegion> (r)) == 0) {
3383                 return true;
3384         }
3385
3386         if ((rv = sv->find_view (ar)) == 0) {
3387                 return true;
3388         }
3389
3390         /* don't reset the selection if its something other than 
3391            a single other region.
3392         */
3393
3394         if (selection->regions.size() > 1) {
3395                 return true;
3396         }
3397         
3398         begin_reversible_command (_("set selected regions"));
3399         
3400         selection->set (rv);
3401
3402         commit_reversible_command () ;
3403
3404         return true;
3405 }
3406
3407 void
3408 Editor::set_edit_group_solo (Route& route, bool yn)
3409 {
3410         RouteGroup *edit_group;
3411
3412         if ((edit_group = route.edit_group()) != 0) {
3413                 edit_group->apply (&Route::set_solo, yn, this);
3414         } else {
3415                 route.set_solo (yn, this);
3416         }
3417 }
3418
3419 void
3420 Editor::set_edit_group_mute (Route& route, bool yn)
3421 {
3422         RouteGroup *edit_group = 0;
3423
3424         if ((edit_group == route.edit_group()) != 0) {
3425                 edit_group->apply (&Route::set_mute, yn, this);
3426         } else {
3427                 route.set_mute (yn, this);
3428         }
3429 }
3430                 
3431 void
3432 Editor::history_changed ()
3433 {
3434         string label;
3435
3436         if (undo_action && session) {
3437                 if (session->undo_depth() == 0) {
3438                         label = _("Undo");
3439                 } else {
3440                         label = string_compose(_("Undo (%1)"), session->next_undo());
3441                 }
3442                 undo_action->property_label() = label;
3443         }
3444
3445         if (redo_action && session) {
3446                 if (session->redo_depth() == 0) {
3447                         label = _("Redo");
3448                 } else {
3449                         label = string_compose(_("Redo (%1)"), session->next_redo());
3450                 }
3451                 redo_action->property_label() = label;
3452         }
3453 }
3454
3455 void
3456 Editor::duplicate_dialog (bool dup_region)
3457 {
3458         if (dup_region) {
3459                 if (clicked_regionview == 0) {
3460                         return;
3461                 }
3462         } else {
3463                 if (selection->time.length() == 0) {
3464                         return;
3465                 }
3466         }
3467
3468         ArdourDialog win ("duplicate dialog");
3469         Entry  entry;
3470         Label  label (_("Duplicate how many times?"));
3471
3472         win.get_vbox()->pack_start (label);
3473         win.add_action_widget (entry, RESPONSE_ACCEPT);
3474         win.add_button (Stock::OK, RESPONSE_ACCEPT);
3475         win.add_button (Stock::CANCEL, RESPONSE_CANCEL);
3476
3477         win.set_position (WIN_POS_MOUSE);
3478
3479         entry.set_text ("1");
3480         set_size_request_to_display_given_text (entry, X_("12345678"), 20, 15);
3481         entry.select_region (0, -1);
3482         entry.grab_focus ();
3483
3484
3485         switch (win.run ()) {
3486         case RESPONSE_ACCEPT:
3487                 break;
3488         default:
3489                 return;
3490         }
3491
3492         string text = entry.get_text();
3493         float times;
3494
3495         if (sscanf (text.c_str(), "%f", &times) == 1) {
3496                 if (dup_region) {
3497                         RegionSelection regions;
3498                         regions.add (clicked_regionview);
3499                         duplicate_some_regions (regions, times);
3500                 } else {
3501                         duplicate_selection (times);
3502                 }
3503         }
3504 }
3505
3506 void
3507 Editor::show_verbose_canvas_cursor ()
3508 {
3509         verbose_canvas_cursor->raise_to_top();
3510         verbose_canvas_cursor->show();
3511         verbose_cursor_visible = true;
3512 }
3513
3514 void
3515 Editor::hide_verbose_canvas_cursor ()
3516 {
3517         verbose_canvas_cursor->hide();
3518         verbose_cursor_visible = false;
3519 }
3520
3521 void
3522 Editor::set_verbose_canvas_cursor (const string & txt, double x, double y)
3523 {
3524         /* XXX get origin of canvas relative to root window,
3525            add x and y and check compared to gdk_screen_{width,height}
3526         */
3527         verbose_canvas_cursor->property_text() = txt.c_str();
3528         verbose_canvas_cursor->property_x() = x;
3529         verbose_canvas_cursor->property_y() = y;
3530 }
3531
3532 void
3533 Editor::set_verbose_canvas_cursor_text (const string & txt)
3534 {
3535         verbose_canvas_cursor->property_text() = txt.c_str();
3536 }
3537
3538 void
3539 Editor::edit_mode_selection_done ()
3540 {
3541         if (session == 0) {
3542                 return;
3543         }
3544
3545         string choice = edit_mode_selector.get_active_text();
3546         EditMode mode = Slide;
3547
3548         if (choice == _("Splice Edit")) {
3549                 mode = Splice;
3550         } else if (choice == _("Slide Edit")) {
3551                 mode = Slide;
3552         }
3553
3554         Config->set_edit_mode (mode);
3555 }       
3556
3557 void
3558 Editor::snap_type_selection_done ()
3559 {
3560         string choice = snap_type_selector.get_active_text();
3561         SnapType snaptype = SnapToFrame;
3562
3563         if (choice == _("Beats/3")) {
3564                 snaptype = SnapToAThirdBeat;
3565         } else if (choice == _("Beats/4")) {
3566                 snaptype = SnapToAQuarterBeat;
3567         } else if (choice == _("Beats/8")) {
3568                 snaptype = SnapToAEighthBeat;
3569         } else if (choice == _("Beats/16")) {
3570                 snaptype = SnapToASixteenthBeat;
3571         } else if (choice == _("Beats/32")) {
3572                 snaptype = SnapToAThirtysecondBeat;
3573         } else if (choice == _("Beats")) {
3574                 snaptype = SnapToBeat;
3575         } else if (choice == _("Bars")) {
3576                 snaptype = SnapToBar;
3577         } else if (choice == _("Marks")) {
3578                 snaptype = SnapToMark;
3579         } else if (choice == _("Edit Cursor")) {
3580                 snaptype = SnapToEditCursor;
3581         } else if (choice == _("Region starts")) {
3582                 snaptype = SnapToRegionStart;
3583         } else if (choice == _("Region ends")) {
3584                 snaptype = SnapToRegionEnd;
3585         } else if (choice == _("Region bounds")) {
3586                 snaptype = SnapToRegionBoundary;
3587         } else if (choice == _("Region syncs")) {
3588                 snaptype = SnapToRegionSync;
3589         } else if (choice == _("CD Frames")) {
3590                 snaptype = SnapToCDFrame;
3591         } else if (choice == _("SMPTE Frames")) {
3592                 snaptype = SnapToSMPTEFrame;
3593         } else if (choice == _("SMPTE Seconds")) {
3594                 snaptype = SnapToSMPTESeconds;
3595         } else if (choice == _("SMPTE Minutes")) {
3596                 snaptype = SnapToSMPTEMinutes;
3597         } else if (choice == _("Seconds")) {
3598                 snaptype = SnapToSeconds;
3599         } else if (choice == _("Minutes")) {
3600                 snaptype = SnapToMinutes;
3601         } else if (choice == _("None")) {
3602                 snaptype = SnapToFrame;
3603         }
3604
3605         RefPtr<RadioAction> ract = snap_type_action (snaptype);
3606         if (ract) {
3607                 ract->set_active ();
3608         }
3609 }       
3610
3611 void
3612 Editor::snap_mode_selection_done ()
3613 {
3614         string choice = snap_mode_selector.get_active_text();
3615         SnapMode mode = SnapNormal;
3616
3617         if (choice == _("Normal")) {
3618                 mode = SnapNormal;
3619         } else if (choice == _("Magnetic")) {
3620                 mode = SnapMagnetic;
3621         }
3622
3623         RefPtr<RadioAction> ract = snap_mode_action (mode);
3624
3625         if (ract) {
3626                 ract->set_active (true);
3627         }
3628 }
3629
3630 void
3631 Editor::zoom_focus_selection_done ()
3632 {
3633         string choice = zoom_focus_selector.get_active_text();
3634         ZoomFocus focus_type = ZoomFocusLeft;
3635
3636         if (choice == _("Left")) {
3637                 focus_type = ZoomFocusLeft;
3638         } else if (choice == _("Right")) {
3639                 focus_type = ZoomFocusRight;
3640         } else if (choice == _("Center")) {
3641                 focus_type = ZoomFocusCenter;
3642         } else if (choice == _("Playhead")) {
3643                 focus_type = ZoomFocusPlayhead;
3644         } else if (choice == _("Edit Cursor")) {
3645                 focus_type = ZoomFocusEdit;
3646         } 
3647         
3648         RefPtr<RadioAction> ract = zoom_focus_action (focus_type);
3649
3650         if (ract) {
3651                 ract->set_active ();
3652         }
3653 }       
3654
3655 gint
3656 Editor::edit_controls_button_release (GdkEventButton* ev)
3657 {
3658         if (Keyboard::is_context_menu_event (ev)) {
3659                 ARDOUR_UI::instance()->add_route ();
3660         }
3661         return TRUE;
3662 }
3663
3664 void
3665 Editor::track_selection_changed ()
3666 {
3667         switch (selection->tracks.size()){
3668         case 0:
3669                 break;
3670         default:
3671                 set_selected_mixer_strip (*(selection->tracks.front()));
3672                 break;
3673         }
3674
3675         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3676                 (*i)->set_selected (false);
3677                 if (mouse_mode == MouseRange) {
3678                         (*i)->hide_selection ();
3679                 }
3680         }
3681
3682         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
3683                 (*i)->set_selected (true);
3684                 if (mouse_mode == MouseRange) {
3685                         (*i)->show_selection (selection->time);
3686                 }
3687         }
3688 }
3689
3690 void
3691 Editor::time_selection_changed ()
3692 {
3693         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3694                 (*i)->hide_selection ();
3695         }
3696
3697         if (selection->tracks.empty()) {
3698                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3699                         (*i)->show_selection (selection->time);
3700                 }
3701         } else {
3702                 for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
3703                         (*i)->show_selection (selection->time);
3704                 }
3705         }
3706
3707         if (selection->time.empty()) {
3708                 ActionManager::set_sensitive (ActionManager::time_selection_sensitive_actions, false);
3709         } else {
3710                 ActionManager::set_sensitive (ActionManager::time_selection_sensitive_actions, true);
3711         }
3712 }
3713
3714 void
3715 Editor::region_selection_changed ()
3716 {
3717         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3718                 (*i)->set_selected_regionviews (selection->regions);
3719         }
3720 }
3721
3722 void
3723 Editor::point_selection_changed ()
3724 {
3725         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3726                 (*i)->set_selected_points (selection->points);
3727         }
3728 }
3729
3730 gint
3731 Editor::mouse_select_button_release (GdkEventButton* ev)
3732 {
3733         /* this handles just right-clicks */
3734
3735         if (ev->button != 3) {
3736                 return FALSE;
3737         }
3738
3739         return TRUE;
3740 }
3741
3742 Editor::TrackViewList *
3743 Editor::get_valid_views (TimeAxisView* track, RouteGroup* group)
3744 {
3745         TrackViewList *v;
3746         TrackViewList::iterator i;
3747
3748         v = new TrackViewList;
3749
3750         if (track == 0 && group == 0) {
3751
3752                 /* all views */
3753
3754                 for (i = track_views.begin(); i != track_views.end (); ++i) {
3755                         v->push_back (*i);
3756                 }
3757
3758         } else if (track != 0 && group == 0 || (track != 0 && group != 0 && !group->is_active())) {
3759                 
3760                 /* just the view for this track
3761                  */
3762
3763                 v->push_back (track);
3764
3765         } else {
3766                 
3767                 /* views for all tracks in the edit group */
3768                 
3769                 for (i  = track_views.begin(); i != track_views.end (); ++i) {
3770
3771                         if (group == 0 || (*i)->edit_group() == group) {
3772                                 v->push_back (*i);
3773                         }
3774                 }
3775         }
3776         
3777         return v;
3778 }
3779
3780 void
3781 Editor::set_zoom_focus (ZoomFocus f)
3782 {
3783         string str = zoom_focus_strings[(int)f];
3784
3785         if (str != zoom_focus_selector.get_active_text()) {
3786                 zoom_focus_selector.set_active_text (str);
3787         }
3788         
3789         if (zoom_focus != f) {
3790                 zoom_focus = f;
3791
3792                 ZoomFocusChanged (); /* EMIT_SIGNAL */
3793
3794                 instant_save ();
3795         }
3796 }
3797
3798 void
3799 Editor::ensure_float (Window& win)
3800 {
3801         win.set_transient_for (*this);
3802 }
3803
3804 void 
3805 Editor::pane_allocation_handler (Allocation &alloc, Paned* which)
3806 {
3807         /* recover or initialize pane positions. do this here rather than earlier because
3808            we don't want the positions to change the child allocations, which they seem to do.
3809          */
3810
3811         int pos;
3812         XMLProperty* prop;
3813         char buf[32];
3814         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
3815         int width, height;
3816         static int32_t done;
3817         XMLNode* geometry;
3818
3819         if ((geometry = find_named_node (*node, "geometry")) == 0) {
3820                 width = default_width;
3821                 height = default_height;
3822         } else {
3823                 width = atoi(geometry->property("x_size")->value());
3824                 height = atoi(geometry->property("y_size")->value());
3825         }
3826
3827         if (which == static_cast<Paned*> (&edit_pane)) {
3828
3829                 if (done) {
3830                         return;
3831                 }
3832
3833                 if (!geometry || (prop = geometry->property ("edit_pane_pos")) == 0) {
3834                         /* initial allocation is 90% to canvas, 10% to notebook */
3835                         pos = (int) floor (alloc.get_width() * 0.90f);
3836                         snprintf (buf, sizeof(buf), "%d", pos);
3837                 } else {
3838                         pos = atoi (prop->value());
3839                 }
3840                 
3841                 if ((done = GTK_WIDGET(edit_pane.gobj())->allocation.width > pos)) {
3842                         edit_pane.set_position (pos);
3843                         pre_maximal_pane_position = pos;
3844                 }
3845         }
3846 }
3847
3848 void
3849 Editor::detach_tearoff (Box* b, Window* w)
3850 {
3851         if (tools_tearoff->torn_off() && 
3852             mouse_mode_tearoff->torn_off()) {
3853                 top_hbox.remove (toolbar_frame);
3854         }
3855 }
3856
3857 void
3858 Editor::reattach_tearoff (Box* b, Window* w, int32_t n)
3859 {
3860         if (toolbar_frame.get_parent() == 0) {
3861                 top_hbox.pack_end (toolbar_frame);
3862         }
3863 }
3864
3865 void
3866 Editor::set_show_measures (bool yn)
3867 {
3868         if (_show_measures != yn) {
3869                 hide_measures ();
3870
3871                 if ((_show_measures = yn) == true) {
3872                         draw_measures ();
3873                 }
3874                 DisplayControlChanged (ShowMeasures);
3875                 instant_save ();
3876         }
3877 }
3878
3879 void
3880 Editor::toggle_follow_playhead ()
3881 {
3882         RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
3883         if (act) {
3884                 RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
3885                 set_follow_playhead (tact->get_active());
3886         }
3887 }
3888
3889 void
3890 Editor::set_follow_playhead (bool yn)
3891 {
3892         if (_follow_playhead != yn) {
3893                 if ((_follow_playhead = yn) == true) {
3894                         /* catch up */
3895                         update_current_screen ();
3896                 }
3897                 DisplayControlChanged (FollowPlayhead);
3898                 instant_save ();
3899         }
3900 }
3901
3902 void
3903 Editor::toggle_xfade_active (boost::weak_ptr<Crossfade> wxfade)
3904 {
3905         boost::shared_ptr<Crossfade> xfade (wxfade.lock());
3906         if (xfade) {
3907                 xfade->set_active (!xfade->active());
3908         }
3909 }
3910
3911 void
3912 Editor::toggle_xfade_length (boost::weak_ptr<Crossfade> wxfade)
3913 {
3914         boost::shared_ptr<Crossfade> xfade (wxfade.lock());
3915         if (xfade) {
3916                 xfade->set_follow_overlap (!xfade->following_overlap());
3917         }
3918 }
3919
3920 void
3921 Editor::edit_xfade (boost::weak_ptr<Crossfade> wxfade)
3922 {
3923         boost::shared_ptr<Crossfade> xfade (wxfade.lock());
3924
3925         if (!xfade) {
3926                 return;
3927         }
3928
3929         CrossfadeEditor cew (*session, xfade, xfade->fade_in().get_min_y(), 1.0);
3930                 
3931         ensure_float (cew);
3932         
3933         switch (cew.run ()) {
3934         case RESPONSE_ACCEPT:
3935                 break;
3936         default:
3937                 return;
3938         }
3939         
3940         cew.apply ();
3941         xfade->StateChanged (Change (~0));
3942 }
3943
3944 PlaylistSelector&
3945 Editor::playlist_selector () const
3946 {
3947         return *_playlist_selector;
3948 }
3949
3950 nframes_t
3951 Editor::get_nudge_distance (nframes_t pos, nframes_t& next)
3952 {
3953         nframes_t ret;
3954
3955         ret = nudge_clock.current_duration (pos);
3956         next = ret + 1; /* XXXX fix me */
3957
3958         return ret;
3959 }
3960
3961 void
3962 Editor::end_location_changed (Location* location)
3963 {
3964         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::end_location_changed), location));
3965         reset_scrolling_region ();
3966 }
3967
3968 int
3969 Editor::playlist_deletion_dialog (boost::shared_ptr<Playlist> pl)
3970 {
3971         ArdourDialog dialog ("playlist deletion dialog");
3972         Label  label (string_compose (_("Playlist %1 is currently unused.\n"
3973                                         "If left alone, no audio files used by it will be cleaned.\n"
3974                                         "If deleted, audio files used by it alone by will cleaned."),
3975                                       pl->name()));
3976         
3977         dialog.set_position (WIN_POS_CENTER);
3978         dialog.get_vbox()->pack_start (label);
3979
3980         label.show ();
3981
3982         dialog.add_button (_("Delete playlist"), RESPONSE_ACCEPT);
3983         dialog.add_button (_("Keep playlist"), RESPONSE_CANCEL);
3984         dialog.add_button (_("Cancel"), RESPONSE_CANCEL);
3985
3986         switch (dialog.run ()) {
3987         case RESPONSE_ACCEPT:
3988                 /* delete the playlist */
3989                 return 0;
3990                 break;
3991
3992         case RESPONSE_REJECT:
3993                 /* keep the playlist */
3994                 return 1;
3995                 break;
3996
3997         default:
3998                 break;
3999         }
4000
4001         return -1;
4002 }
4003
4004 bool
4005 Editor::audio_region_selection_covers (nframes_t where)
4006 {
4007         for (RegionSelection::iterator a = selection->regions.begin(); a != selection->regions.end(); ++a) {
4008                 if ((*a)->region()->covers (where)) {
4009                         return true;
4010                 }
4011         }
4012
4013         return false;
4014 }
4015
4016 void
4017 Editor::prepare_for_cleanup ()
4018 {
4019         cut_buffer->clear_regions ();
4020         cut_buffer->clear_playlists ();
4021
4022         selection->clear_regions ();
4023         selection->clear_playlists ();
4024 }
4025
4026 Location*
4027 Editor::transport_loop_location()
4028 {
4029         if (session) {
4030                 return session->locations()->auto_loop_location();
4031         } else {
4032                 return 0;
4033         }
4034 }
4035
4036 Location*
4037 Editor::transport_punch_location()
4038 {
4039         if (session) {
4040                 return session->locations()->auto_punch_location();
4041         } else {
4042                 return 0;
4043         }
4044 }
4045
4046 bool
4047 Editor::control_layout_scroll (GdkEventScroll* ev)
4048 {
4049         switch (ev->direction) {
4050         case GDK_SCROLL_UP:
4051                 scroll_tracks_up_line ();
4052                 return true;
4053                 break;
4054
4055         case GDK_SCROLL_DOWN:
4056                 scroll_tracks_down_line ();
4057                 return true;
4058                 
4059         default:
4060                 /* no left/right handling yet */
4061                 break;
4062         }
4063
4064         return false;
4065 }
4066
4067 void
4068 Editor::snapshot_display_selection_changed ()
4069 {
4070         if (snapshot_display.get_selection()->count_selected_rows() > 0) {
4071
4072                 TreeModel::iterator i = snapshot_display.get_selection()->get_selected();
4073                 
4074                 Glib::ustring snap_name = (*i)[snapshot_display_columns.real_name];
4075
4076                 if (snap_name.length() == 0) {
4077                         return;
4078                 }
4079                 
4080                 if (session->snap_name() == snap_name) {
4081                         return;
4082                 }
4083                 
4084                 ARDOUR_UI::instance()->load_session(session->path(), string (snap_name));
4085         }
4086 }
4087
4088 bool
4089 Editor::snapshot_display_button_press (GdkEventButton* ev)
4090 {
4091          return false;
4092 }
4093
4094 void
4095 Editor::redisplay_snapshots ()
4096 {
4097         if (session == 0) {
4098                 return;
4099         }
4100
4101         vector<string*>* states;
4102
4103         if ((states = session->possible_states()) == 0) {
4104                 return;
4105         }
4106
4107         snapshot_display_model->clear ();
4108
4109         for (vector<string*>::iterator i = states->begin(); i != states->end(); ++i) {
4110                 string statename = *(*i);
4111                 TreeModel::Row row = *(snapshot_display_model->append());
4112                 
4113                 // we don't have a way of changing the rendering in just one TreeView 
4114                 // cell so just put an asterisk on each side of the name for now.
4115                 string display_name;
4116                 if (statename == session->snap_name()) {
4117                         display_name = "*"+statename+"*";
4118                         snapshot_display.get_selection()->select(row);
4119                 } else {
4120                         display_name = statename;
4121                 }
4122                 
4123                 row[snapshot_display_columns.visible_name] = display_name;
4124                 row[snapshot_display_columns.real_name] = statename;
4125         }
4126
4127         delete states;
4128 }
4129
4130 void
4131 Editor::session_state_saved (string snap_name)
4132 {
4133         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::session_state_saved), snap_name));
4134         redisplay_snapshots ();
4135 }
4136
4137 void
4138 Editor::maximise_editing_space ()
4139 {
4140         initial_ruler_update_required = true;
4141
4142         mouse_mode_tearoff->set_visible (false);
4143         tools_tearoff->set_visible (false);
4144
4145         pre_maximal_pane_position = edit_pane.get_position();
4146         pre_maximal_editor_width = this->get_width();
4147
4148         if(post_maximal_pane_position == 0) {
4149                 post_maximal_pane_position = edit_pane.get_width();
4150         }
4151
4152
4153         fullscreen();
4154         if(post_maximal_editor_width) {
4155                 edit_pane.set_position (post_maximal_pane_position - 
4156                         abs(post_maximal_editor_width - pre_maximal_editor_width));
4157         } else {
4158                 edit_pane.set_position (post_maximal_pane_position);
4159         }
4160 }
4161
4162 void
4163 Editor::restore_editing_space ()
4164 {
4165         initial_ruler_update_required = true;
4166
4167         // user changed width of pane during fullscreen
4168         if(post_maximal_pane_position != edit_pane.get_position()) {
4169                 post_maximal_pane_position = edit_pane.get_position();
4170         }
4171
4172         unfullscreen();
4173
4174         mouse_mode_tearoff->set_visible (true);
4175         tools_tearoff->set_visible (true);
4176         post_maximal_editor_width = this->get_width();
4177
4178
4179         edit_pane.set_position (
4180                 pre_maximal_pane_position + abs(this->get_width() - pre_maximal_editor_width)
4181         );
4182 }
4183
4184 void 
4185 Editor::new_playlists ()
4186 {
4187         begin_reversible_command (_("new playlists"));
4188         mapover_audio_tracks (mem_fun (*this, &Editor::mapped_use_new_playlist));
4189         commit_reversible_command ();
4190 }
4191
4192 void
4193 Editor::copy_playlists ()
4194 {
4195         begin_reversible_command (_("copy playlists"));
4196         mapover_audio_tracks (mem_fun (*this, &Editor::mapped_use_copy_playlist));
4197         commit_reversible_command ();
4198 }
4199
4200 void 
4201 Editor::clear_playlists ()
4202 {
4203         begin_reversible_command (_("clear playlists"));
4204         mapover_audio_tracks (mem_fun (*this, &Editor::mapped_clear_playlist));
4205         commit_reversible_command ();
4206 }
4207
4208 void 
4209 Editor::mapped_use_new_playlist (AudioTimeAxisView& atv, uint32_t sz)
4210 {
4211         atv.use_new_playlist (sz > 1 ? false : true);
4212 }
4213
4214 void
4215 Editor::mapped_use_copy_playlist (AudioTimeAxisView& atv, uint32_t sz)
4216 {
4217         atv.use_copy_playlist (sz > 1 ? false : true);
4218 }
4219
4220 void 
4221 Editor::mapped_clear_playlist (AudioTimeAxisView& atv, uint32_t sz)
4222 {
4223         atv.clear_playlist ();
4224 }
4225
4226 bool
4227 Editor::on_key_press_event (GdkEventKey* ev)
4228 {
4229         return key_press_focus_accelerator_handler (*this, ev);
4230 }
4231