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 */
  19
  20 #include <unistd.h>
  21 #include <cstdlib>
  22 #include <cmath>
  23 #include <string>
  24 #include <algorithm>
  25
  26 #include <sigc++/bind.h>
  27
  28 #include <pbd/convert.h>
  29 #include <pbd/error.h>
  30 #include <pbd/stacktrace.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/grouped_buttons.h>
  38 #include <gtkmm2ext/gtk_ui.h>
  39 #include <gtkmm2ext/tearoff.h>
  40 #include <gtkmm2ext/utils.h>
  41
  42 #include <ardour/audio_track.h>
  43 #include <ardour/audio_diskstream.h>
  44 #include <ardour/plugin_manager.h>
  45 #include <ardour/location.h>
  46 #include <ardour/audioplaylist.h>
  47 #include <ardour/audioregion.h>
  48 #include <ardour/region.h>
  49 #include <ardour/session_route.h>
  50 #include <ardour/tempo.h>
  51 #include <ardour/utils.h>
  52
  53 #include <control_protocol/control_protocol.h>
  54
  55 #include "ardour_ui.h"
  56 #include "editor.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 "canvas_impl.h"
  72 #include "actions.h"
  73 #include "gui_thread.h"
  74
  75 #ifdef FFT_ANALYSIS
  76 #include "analysis_window.h"
  77 #endif
  78
  79 #include "i18n.h"
  80
  81 /* <CMT Additions> */
  82 #include "imageframe_socket_handler.h"
  83 /* </CMT Additions> */
  84
  85 using namespace std;
  86 using namespace sigc;
  87 using namespace ARDOUR;
  88 using namespace PBD;
  89 using namespace Gtk;
  90 using namespace Glib;
  91 using namespace Gtkmm2ext;
  92 using namespace Editing;
  93
  94 using PBD::atoi;
  95
  96 const double Editor::timebar_height = 15.0;
  97
  98 #include "editor_xpms"
  99
 100 static const gchar *_snap_type_strings[] = {
 101         N_("None"),
 102         N_("CD Frames"),
 103         N_("SMPTE Frames"),
 104         N_("SMPTE Seconds"),
 105         N_("SMPTE Minutes"),
 106         N_("Seconds"),
 107         N_("Minutes"),
 108         N_("Beats/32"),
 109         N_("Beats/16"),
 110         N_("Beats/8"),
 111         N_("Beats/4"),
 112         N_("Beats/3"),
 113         N_("Beats"),
 114         N_("Bars"),
 115         N_("Marks"),
 116         N_("Edit Cursor"),
 117         N_("Region starts"),
 118         N_("Region ends"),
 119         N_("Region syncs"),
 120         N_("Region bounds"),
 121         0
 122 };
 123
 124 static const gchar *_snap_mode_strings[] = {
 125         N_("Normal"),
 126         N_("Magnetic"),
 127         0
 128 };
 129
 130 static const gchar *_zoom_focus_strings[] = {
 131         N_("Left"),
 132         N_("Right"),
 133         N_("Center"),
 134         N_("Playhead"),
 135         N_("Edit Cursor"),
 136         0
 137 };
 138
 139 /* Soundfile  drag-n-drop */
 140
 141 Gdk::Cursor* Editor::cross_hair_cursor = 0;
 142 Gdk::Cursor* Editor::selector_cursor = 0;
 143 Gdk::Cursor* Editor::trimmer_cursor = 0;
 144 Gdk::Cursor* Editor::grabber_cursor = 0;
 145 Gdk::Cursor* Editor::zoom_cursor = 0;
 146 Gdk::Cursor* Editor::time_fx_cursor = 0;
 147 Gdk::Cursor* Editor::fader_cursor = 0;
 148 Gdk::Cursor* Editor::speaker_cursor = 0;
 149 Gdk::Cursor* Editor::wait_cursor = 0;
 150 Gdk::Cursor* Editor::timebar_cursor = 0;
 151
 152 void
 153 show_me_the_size (Requisition* r, const char* what)
 154 {
 155         cerr << "size of " << what << " = " << r->width << " x " << r->height << endl;
 156 }
 157
 158 void
 159 check_adjustment (Gtk::Adjustment* adj)
 160 {
 161         cerr << "CHANGE adj  = "
 162              << adj->get_lower () <<  ' '
 163              << adj->get_upper () <<  ' '
 164              << adj->get_value () <<  ' '
 165              << adj->get_step_increment () <<  ' '
 166              << adj->get_page_increment () <<  ' '
 167              << adj->get_page_size () <<  ' '
 168              << endl;
 169
 170 }
 171
 172 Editor::Editor ()
 173         :
 174           /* time display buttons */
 175
 176           minsec_label (_("Mins:Secs")),
 177           bbt_label (_("Bars:Beats")),
 178           smpte_label (_("Timecode")),
 179           frame_label (_("Frames")),
 180           tempo_label (_("Tempo")),
 181           meter_label (_("Meter")),
 182           mark_label (_("Location Markers")),
 183           range_mark_label (_("Range Markers")),
 184           transport_mark_label (_("Loop/Punch Ranges")),
 185
 186           edit_packer (3, 3, false),
 187
 188           /* the values here don't matter: layout widgets
 189              reset them as needed.
 190           */
 191
 192           vertical_adjustment (0.0, 0.0, 10.0, 400.0),
 193           horizontal_adjustment (0.0, 0.0, 20.0, 1200.0),
 194
 195           /* tool bar related */
 196
 197           edit_cursor_clock (X_("editcursor"), false, X_("EditCursorClock"), true),
 198           zoom_range_clock (X_("zoomrange"), false, X_("ZoomRangeClock"), true, true),
 199
 200           toolbar_selection_clock_table (2,3),
 201
 202           automation_mode_button (_("mode")),
 203           global_automation_button (_("automation")),
 204
 205           /* <CMT Additions> */
 206           image_socket_listener(0),
 207           /* </CMT Additions> */
 208
 209           /* nudge */
 210
 211           nudge_clock (X_("nudge"), false, X_("NudgeClock"), true, true)
 212
 213 {
 214         constructed = false;
 215
 216         /* we are a singleton */
 217
 218         PublicEditor::_instance = this;
 219
 220         session = 0;
 221
 222         selection = new Selection;
 223         cut_buffer = new Selection;
 224
 225         selection->TimeChanged.connect (mem_fun(*this, &Editor::time_selection_changed));
 226         selection->TracksChanged.connect (mem_fun(*this, &Editor::track_selection_changed));
 227         selection->RegionsChanged.connect (mem_fun(*this, &Editor::region_selection_changed));
 228         selection->PointsChanged.connect (mem_fun(*this, &Editor::point_selection_changed));
 229
 230         clicked_regionview = 0;
 231         clicked_trackview = 0;
 232         clicked_audio_trackview = 0;
 233         clicked_crossfadeview = 0;
 234         clicked_control_point = 0;
 235         latest_regionview = 0;
 236         last_update_frame = 0;
 237         drag_info.item = 0;
 238         current_mixer_strip = 0;
 239         current_bbt_points = 0;
 240
 241         snap_type_strings = I18N (_snap_type_strings);
 242         snap_mode_strings = I18N (_snap_mode_strings);
 243         zoom_focus_strings = I18N(_zoom_focus_strings);
 244
 245         snap_type = SnapToFrame;
 246         set_snap_to (snap_type);
 247         snap_mode = SnapNormal;
 248         set_snap_mode (snap_mode);
 249         snap_threshold = 5.0;
 250         bbt_beat_subdivision = 4;
 251         canvas_width = 0;
 252         canvas_height = 0;
 253         autoscroll_active = false;
 254         autoscroll_timeout_tag = -1;
 255         interthread_progress_window = 0;
 256
 257 #ifdef FFT_ANALYSIS
 258         analysis_window = 0;
 259 #endif
 260
 261         current_interthread_info = 0;
 262         _show_measures = true;
 263         _show_waveforms = true;
 264         _show_waveforms_recording = true;
 265         first_action_message = 0;
 266         export_dialog = 0;
 267         show_gain_after_trim = false;
 268         ignore_route_list_reorder = false;
 269         no_route_list_redisplay = false;
 270         verbose_cursor_on = true;
 271         route_removal = false;
 272         track_spacing = 0;
 273         show_automatic_regions_in_region_list = true;
 274         region_list_sort_type = (Editing::RegionListSortType) 0;
 275         have_pending_keyboard_selection = false;
 276         _follow_playhead = true;
 277         _xfade_visibility = true;
 278         editor_ruler_menu = 0;
 279         no_ruler_shown_update = false;
 280         edit_group_list_menu = 0;
 281         route_list_menu = 0;
 282         region_list_menu = 0;
 283         marker_menu = 0;
 284         start_end_marker_menu = 0;
 285         range_marker_menu = 0;
 286         marker_menu_item = 0;
 287         tm_marker_menu = 0;
 288         transport_marker_menu = 0;
 289         new_transport_marker_menu = 0;
 290         editor_mixer_strip_width = Wide;
 291         show_editor_mixer_when_tracks_arrive = false;
 292         region_edit_menu_split_item = 0;
 293         temp_location = 0;
 294         region_edit_menu_split_multichannel_item = 0;
 295         leftmost_frame = 0;
 296         ignore_mouse_mode_toggle = false;
 297         current_stepping_trackview = 0;
 298         entered_track = 0;
 299         entered_regionview = 0;
 300         clear_entered_track = false;
 301         _new_regionviews_show_envelope = false;
 302         current_timestretch = 0;
 303         in_edit_group_row_change = false;
 304         last_canvas_frame = 0;
 305         edit_cursor = 0;
 306         playhead_cursor = 0;
 307         button_release_can_deselect = true;
 308         canvas_idle_queued = false;
 309         _dragging_playhead = false;
 310         _dragging_hscrollbar = false;
 311
 312         location_marker_color = color_map[cLocationMarker];
 313         location_range_color = color_map[cLocationRange];
 314         location_cd_marker_color = color_map[cLocationCDMarker];
 315         location_loop_color = color_map[cLocationLoop];
 316         location_punch_color = color_map[cLocationPunch];
 317
 318         range_marker_drag_rect = 0;
 319         marker_drag_line = 0;
 320
 321         set_mouse_mode (MouseObject, true);
 322
 323         frames_per_unit = 2048; /* too early to use reset_zoom () */
 324         reset_hscrollbar_stepping ();
 325
 326         zoom_focus = ZoomFocusLeft;
 327         set_zoom_focus (ZoomFocusLeft);
 328         zoom_range_clock.ValueChanged.connect (mem_fun(*this, &Editor::zoom_adjustment_changed));
 329
 330         initialize_rulers ();
 331         initialize_canvas ();
 332
 333         edit_controls_vbox.set_spacing (0);
 334         horizontal_adjustment.signal_value_changed().connect (mem_fun(*this, &Editor::canvas_horizontally_scrolled));
 335         vertical_adjustment.signal_value_changed().connect (mem_fun(*this, &Editor::tie_vertical_scrolling));
 336
 337         track_canvas.set_hadjustment (horizontal_adjustment);
 338         track_canvas.set_vadjustment (vertical_adjustment);
 339         time_canvas.set_hadjustment (horizontal_adjustment);
 340
 341         track_canvas.signal_map_event().connect (mem_fun (*this, &Editor::track_canvas_map_handler));
 342         time_canvas.signal_map_event().connect (mem_fun (*this, &Editor::time_canvas_map_handler));
 343
 344         controls_layout.add (edit_controls_vbox);
 345         controls_layout.set_name ("EditControlsBase");
 346         controls_layout.add_events (Gdk::SCROLL_MASK);
 347         controls_layout.signal_scroll_event().connect (mem_fun(*this, &Editor::control_layout_scroll), false);
 348
 349         controls_layout.add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK);
 350         controls_layout.signal_button_release_event().connect (mem_fun(*this, &Editor::edit_controls_button_release));
 351         controls_layout.signal_size_request().connect (mem_fun (*this, &Editor::controls_layout_size_request));
 352
 353         edit_vscrollbar.set_adjustment (vertical_adjustment);
 354         edit_hscrollbar.set_adjustment (horizontal_adjustment);
 355
 356         edit_hscrollbar.signal_button_press_event().connect (mem_fun(*this, &Editor::hscrollbar_button_press), false);
 357         edit_hscrollbar.signal_button_release_event().connect (mem_fun(*this, &Editor::hscrollbar_button_release), false);
 358         edit_hscrollbar.signal_size_allocate().connect (mem_fun(*this, &Editor::hscrollbar_allocate));
 359
 360         edit_hscrollbar.set_name ("EditorHScrollbar");
 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         group_model->signal_row_changed().connect (mem_fun (*this, &Editor::edit_group_row_change));
 508
 509         edit_group_display.set_name ("EditGroupList");
 510         edit_group_display.get_selection()->set_mode (SELECTION_SINGLE);
 511         edit_group_display.set_headers_visible (false);
 512         edit_group_display.set_reorderable (false);
 513         edit_group_display.set_rules_hint (true);
 514         edit_group_display.set_size_request (75, -1);
 515
 516         edit_group_display_scroller.add (edit_group_display);
 517         edit_group_display_scroller.set_policy (POLICY_AUTOMATIC, POLICY_AUTOMATIC);
 518
 519         edit_group_display.signal_button_press_event().connect (mem_fun(*this, &Editor::edit_group_list_button_press_event), false);
 520
 521         VBox* edit_group_display_packer = manage (new VBox());
 522         HBox* edit_group_display_button_box = manage (new HBox());
 523         edit_group_display_button_box->set_homogeneous (true);
 524
 525         Button* edit_group_add_button = manage (new Button ());
 526         Button* edit_group_remove_button = manage (new Button ());
 527
 528         Widget* w;
 529
 530         w = manage (new Image (Stock::ADD, ICON_SIZE_BUTTON));
 531         w->show();
 532         edit_group_add_button->add (*w);
 533
 534         w = manage (new Image (Stock::REMOVE, ICON_SIZE_BUTTON));
 535         w->show();
 536         edit_group_remove_button->add (*w);
 537
 538         edit_group_add_button->signal_clicked().connect (mem_fun (*this, &Editor::new_edit_group));
 539         edit_group_remove_button->signal_clicked().connect (mem_fun (*this, &Editor::remove_selected_edit_group));
 540
 541         edit_group_display_button_box->pack_start (*edit_group_add_button);
 542         edit_group_display_button_box->pack_start (*edit_group_remove_button);
 543
 544         edit_group_display_packer->pack_start (edit_group_display_scroller, true, true);
 545         edit_group_display_packer->pack_start (*edit_group_display_button_box, false, false);
 546
 547         region_list_display.set_size_request (100, -1);
 548         region_list_display.set_name ("RegionListDisplay");
 549
 550         region_list_model = TreeStore::create (region_list_columns);
 551         region_list_model->set_sort_func (0, mem_fun (*this, &Editor::region_list_sorter));
 552         region_list_model->set_sort_column (0, SORT_ASCENDING);
 553
 554         region_list_display.set_model (region_list_model);
 555         region_list_display.append_column (_("Regions"), region_list_columns.name);
 556         region_list_display.set_headers_visible (false);
 557
 558         region_list_display.get_selection()->set_select_function (mem_fun (*this, &Editor::region_list_selection_filter));
 559
 560         TreeViewColumn* tv_col = region_list_display.get_column(0);
 561         CellRendererText* renderer = dynamic_cast<CellRendererText*>(region_list_display.get_column_cell_renderer (0));
 562         tv_col->add_attribute(renderer->property_text(), region_list_columns.name);
 563         tv_col->add_attribute(renderer->property_foreground_gdk(), region_list_columns.color_);
 564
 565         region_list_display.get_selection()->set_mode (SELECTION_MULTIPLE);
 566         region_list_display.add_object_drag (region_list_columns.region.index(), "regions");
 567
 568         /* setup DnD handling */
 569
 570         list<TargetEntry> region_list_target_table;
 571
 572         region_list_target_table.push_back (TargetEntry ("text/plain"));
 573         region_list_target_table.push_back (TargetEntry ("text/uri-list"));
 574         region_list_target_table.push_back (TargetEntry ("application/x-rootwin-drop"));
 575
 576         region_list_display.add_drop_targets (region_list_target_table);
 577         region_list_display.signal_drag_data_received().connect (mem_fun(*this, &Editor::region_list_display_drag_data_received));
 578
 579         region_list_scroller.add (region_list_display);
 580         region_list_scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
 581
 582         region_list_display.signal_key_press_event().connect (mem_fun(*this, &Editor::region_list_display_key_press));
 583         region_list_display.signal_key_release_event().connect (mem_fun(*this, &Editor::region_list_display_key_release));
 584         region_list_display.signal_button_press_event().connect (mem_fun(*this, &Editor::region_list_display_button_press), false);
 585         region_list_display.signal_button_release_event().connect (mem_fun(*this, &Editor::region_list_display_button_release));
 586         region_list_display.get_selection()->signal_changed().connect (mem_fun(*this, &Editor::region_list_selection_changed));
 587         // region_list_display.signal_popup_menu().connect (bind (mem_fun (*this, &Editor::show_region_list_display_context_menu), 1, 0));
 588
 589         named_selection_scroller.add (named_selection_display);
 590         named_selection_scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
 591
 592         named_selection_model = TreeStore::create (named_selection_columns);
 593         named_selection_display.set_model (named_selection_model);
 594         named_selection_display.append_column (_("Chunks"), named_selection_columns.text);
 595         named_selection_display.set_headers_visible (false);
 596         named_selection_display.set_size_request (100, -1);
 597         named_selection_display.set_name ("NamedSelectionDisplay");
 598
 599         named_selection_display.get_selection()->set_mode (SELECTION_SINGLE);
 600         named_selection_display.set_size_request (100, -1);
 601         named_selection_display.signal_button_release_event().connect (mem_fun(*this, &Editor::named_selection_display_button_release), false);
 602         named_selection_display.signal_key_release_event().connect (mem_fun(*this, &Editor::named_selection_display_key_release), 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 ("SnapshotDisplay");
 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::instant_save ()
 829 {
 830         if (!constructed || !ARDOUR_UI::instance()->session_loaded) {
 831                 return;
 832         }
 833
 834         if (session) {
 835                 session->add_instant_xml(get_state(), session->path());
 836         } else {
 837                 Config->add_instant_xml(get_state(), get_user_ardour_path());
 838         }
 839 }
 840
 841 void
 842 Editor::edit_cursor_clock_changed()
 843 {
 844         if (edit_cursor->current_frame != edit_cursor_clock.current_time()) {
 845                 edit_cursor->set_position (edit_cursor_clock.current_time());
 846         }
 847 }
 848
 849
 850 void
 851 Editor::zoom_adjustment_changed ()
 852 {
 853         if (session == 0) {
 854                 return;
 855         }
 856
 857         double fpu = zoom_range_clock.current_duration() / canvas_width;
 858
 859         if (fpu < 1.0) {
 860                 fpu = 1.0;
 861                 zoom_range_clock.set ((nframes_t) floor (fpu * canvas_width));
 862         } else if (fpu > session->current_end_frame() / canvas_width) {
 863                 fpu = session->current_end_frame() / canvas_width;
 864                 zoom_range_clock.set ((nframes_t) floor (fpu * canvas_width));
 865         }
 866
 867         temporal_zoom (fpu);
 868 }
 869
 870 void
 871 Editor::control_scroll (float fraction)
 872 {
 873         ENSURE_GUI_THREAD(bind (mem_fun (*this, &Editor::control_scroll), fraction));
 874
 875         if (!session) {
 876                 return;
 877         }
 878
 879         double step = fraction * current_page_frames();
 880         nframes_t target;
 881
 882         if ((fraction < 0.0f) && (session->transport_frame() < (nframes_t) fabs(step))) {
 883                 target = 0;
 884         } else if ((fraction > 0.0f) && (max_frames - session->transport_frame() < step)) {
 885                 target = (max_frames - (current_page_frames()*2)); // allow room for slop in where the PH is on the screen
 886         } else {
 887                 target = (session->transport_frame() + (nframes_t) floor ((fraction * current_page_frames())));
 888         }
 889
 890         /* move visuals, we'll catch up with it later */
 891
 892         playhead_cursor->set_position (target);
 893
 894         if (target > (current_page_frames() / 2)) {
 895                 /* try to center PH in window */
 896                 reset_x_origin (target - (current_page_frames()/2));
 897         } else {
 898                 reset_x_origin (0);
 899         }
 900
 901         /* cancel the existing */
 902
 903         control_scroll_connection.disconnect ();
 904
 905         /* add the next one */
 906
 907         control_scroll_connection = Glib::signal_timeout().connect (bind (mem_fun (*this, &Editor::deferred_control_scroll), target), 50);
 908 }
 909
 910 bool
 911 Editor::deferred_control_scroll (nframes_t target)
 912 {
 913         session->request_locate (target);
 914         return false;
 915 }
 916
 917 void
 918 Editor::on_realize ()
 919 {
 920         Window::on_realize ();
 921         Realized ();
 922 }
 923
 924 void
 925 Editor::start_scrolling ()
 926 {
 927         scroll_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect
 928                 (mem_fun(*this, &Editor::update_current_screen));
 929 }
 930
 931 void
 932 Editor::stop_scrolling ()
 933 {
 934         scroll_connection.disconnect ();
 935 }
 936
 937 void
 938 Editor::map_position_change (nframes_t frame)
 939 {
 940         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::map_position_change), frame));
 941
 942         if (session == 0 || !_follow_playhead) {
 943                 return;
 944         }
 945
 946         center_screen (frame);
 947         playhead_cursor->set_position (frame);
 948 }
 949
 950 void
 951 Editor::center_screen (nframes_t frame)
 952 {
 953         double page = canvas_width * frames_per_unit;
 954
 955         /* if we're off the page, then scroll.
 956          */
 957
 958         if (frame < leftmost_frame || frame >= leftmost_frame + page) {
 959                 center_screen_internal (frame, page);
 960         }
 961 }
 962
 963 void
 964 Editor::center_screen_internal (nframes_t frame, float page)
 965 {
 966         page /= 2;
 967
 968         if (frame > page) {
 969                 frame -= (nframes_t) page;
 970         } else {
 971                 frame = 0;
 972         }
 973
 974         reset_x_origin (frame);
 975 }
 976
 977 void
 978 Editor::handle_new_duration ()
 979 {
 980         ENSURE_GUI_THREAD (mem_fun (*this, &Editor::handle_new_duration));
 981
 982         nframes_t new_end = session->get_maximum_extent() + (nframes_t) floorf (current_page_frames() * 0.10f);
 983
 984         if (new_end > last_canvas_frame) {
 985                 last_canvas_frame = new_end;
 986                 horizontal_adjustment.set_upper (last_canvas_frame / frames_per_unit);
 987                 reset_scrolling_region ();
 988         }
 989
 990         horizontal_adjustment.set_value (leftmost_frame/frames_per_unit);
 991 }
 992
 993 void
 994 Editor::update_title_s (const string & snap_name)
 995 {
 996         ENSURE_GUI_THREAD(bind (mem_fun(*this, &Editor::update_title_s), snap_name));
 997
 998         update_title ();
 999 }
1000
1001 void
1002 Editor::update_title ()
1003 {
1004         ENSURE_GUI_THREAD (mem_fun(*this, &Editor::update_title));
1005
1006         if (session) {
1007                 bool dirty = session->dirty();
1008
1009                 string wintitle = _("ardour: editor: ");
1010
1011                 if (dirty) {
1012                         wintitle += '[';
1013                 }
1014
1015                 wintitle += session->name();
1016
1017                 if (session->snap_name() != session->name()) {
1018                         wintitle += ':';
1019                         wintitle += session->snap_name();
1020                 }
1021
1022                 if (dirty) {
1023                         wintitle += ']';
1024                 }
1025
1026                 set_title (wintitle);
1027         }
1028 }
1029
1030 void
1031 Editor::connect_to_session (Session *t)
1032 {
1033         session = t;
1034
1035         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
1036         set_state (*node);
1037
1038         /* catch up with the playhead */
1039
1040         session->request_locate (playhead_cursor->current_frame);
1041
1042         if (first_action_message) {
1043                 first_action_message->hide();
1044         }
1045
1046         update_title ();
1047
1048         session->GoingAway.connect (mem_fun(*this, &Editor::session_going_away));
1049         session->history().Changed.connect (mem_fun (*this, &Editor::history_changed));
1050
1051         /* These signals can all be emitted by a non-GUI thread. Therefore the
1052            handlers for them must not attempt to directly interact with the GUI,
1053            but use Gtkmm2ext::UI::instance()->call_slot();
1054         */
1055
1056         session_connections.push_back (session->TransportStateChange.connect (mem_fun(*this, &Editor::map_transport_state)));
1057         session_connections.push_back (session->PositionChanged.connect (mem_fun(*this, &Editor::map_position_change)));
1058         session_connections.push_back (session->RouteAdded.connect (mem_fun(*this, &Editor::handle_new_route)));
1059         session_connections.push_back (session->AudioRegionAdded.connect (mem_fun(*this, &Editor::handle_new_audio_region)));
1060         session_connections.push_back (session->AudioRegionRemoved.connect (mem_fun(*this, &Editor::handle_audio_region_removed)));
1061         session_connections.push_back (session->DurationChanged.connect (mem_fun(*this, &Editor::handle_new_duration)));
1062         session_connections.push_back (session->edit_group_added.connect (mem_fun(*this, &Editor::add_edit_group)));
1063         session_connections.push_back (session->edit_group_removed.connect (mem_fun(*this, &Editor::edit_groups_changed)));
1064         session_connections.push_back (session->NamedSelectionAdded.connect (mem_fun(*this, &Editor::handle_new_named_selection)));
1065         session_connections.push_back (session->NamedSelectionRemoved.connect (mem_fun(*this, &Editor::handle_new_named_selection)));
1066         session_connections.push_back (session->DirtyChanged.connect (mem_fun(*this, &Editor::update_title)));
1067         session_connections.push_back (session->StateSaved.connect (mem_fun(*this, &Editor::update_title_s)));
1068         session_connections.push_back (session->AskAboutPlaylistDeletion.connect (mem_fun(*this, &Editor::playlist_deletion_dialog)));
1069         session_connections.push_back (session->RegionHiddenChange.connect (mem_fun(*this, &Editor::region_hidden)));
1070
1071         session_connections.push_back (session->SMPTEOffsetChanged.connect (mem_fun(*this, &Editor::update_just_smpte)));
1072
1073         session_connections.push_back (session->tempo_map().StateChanged.connect (bind (mem_fun(*this, &Editor::tempo_map_changed), false)));
1074
1075         edit_groups_changed ();
1076
1077         edit_cursor_clock.set_session (session);
1078         zoom_range_clock.set_session (session);
1079         _playlist_selector->set_session (session);
1080         nudge_clock.set_session (session);
1081
1082 #ifdef FFT_ANALYSIS
1083         if (analysis_window != 0)
1084                 analysis_window->set_session (session);
1085 #endif
1086
1087         Location* loc = session->locations()->auto_loop_location();
1088         if (loc == 0) {
1089                 loc = new Location (0, session->current_end_frame(), _("Loop"),(Location::Flags) (Location::IsAutoLoop | Location::IsHidden));
1090                 if (loc->start() == loc->end()) {
1091                         loc->set_end (loc->start() + 1);
1092                 }
1093                 session->locations()->add (loc, false);
1094                 session->set_auto_loop_location (loc);
1095         } else {
1096                 // force name
1097                 loc->set_name (_("Loop"));
1098         }
1099
1100         loc = session->locations()->auto_punch_location();
1101         if (loc == 0) {
1102                 loc = new Location (0, session->current_end_frame(), _("Punch"), (Location::Flags) (Location::IsAutoPunch | Location::IsHidden));
1103                 if (loc->start() == loc->end()) {
1104                         loc->set_end (loc->start() + 1);
1105                 }
1106                 session->locations()->add (loc, false);
1107                 session->set_auto_punch_location (loc);
1108         } else {
1109                 // force name
1110                 loc->set_name (_("Punch"));
1111         }
1112
1113         Config->map_parameters (mem_fun (*this, &Editor::parameter_changed));
1114
1115         session->StateSaved.connect (mem_fun(*this, &Editor::session_state_saved));
1116
1117         refresh_location_display ();
1118         session->locations()->added.connect (mem_fun(*this, &Editor::add_new_location));
1119         session->locations()->removed.connect (mem_fun(*this, &Editor::location_gone));
1120         session->locations()->changed.connect (mem_fun(*this, &Editor::refresh_location_display));
1121         session->locations()->StateChanged.connect (mem_fun(*this, &Editor::refresh_location_display_s));
1122         session->locations()->end_location()->changed.connect (mem_fun(*this, &Editor::end_location_changed));
1123
1124         handle_new_duration ();
1125
1126         redisplay_regions ();
1127         redisplay_named_selections ();
1128         redisplay_snapshots ();
1129
1130         initial_route_list_display ();
1131
1132         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
1133                 (static_cast<TimeAxisView*>(*i))->set_samples_per_unit (frames_per_unit);
1134         }
1135
1136         restore_ruler_visibility ();
1137         //tempo_map_changed (Change (0));
1138         session->tempo_map().apply_with_metrics (*this, &Editor::draw_metric_marks);
1139
1140         start_scrolling ();
1141
1142         /* don't show master bus in a new session */
1143
1144         if (ARDOUR_UI::instance()->session_is_new ()) {
1145
1146                 TreeModel::Children rows = route_display_model->children();
1147                 TreeModel::Children::iterator i;
1148
1149                 no_route_list_redisplay = true;
1150
1151                 for (i = rows.begin(); i != rows.end(); ++i) {
1152                         TimeAxisView *tv =  (*i)[route_display_columns.tv];
1153                         AudioTimeAxisView *atv;
1154
1155                         if ((atv = dynamic_cast<AudioTimeAxisView*>(tv)) != 0) {
1156                                 if (atv->route()->master()) {
1157                                         route_list_display.get_selection()->unselect (i);
1158                                 }
1159                         }
1160                 }
1161
1162                 no_route_list_redisplay = false;
1163                 redisplay_route_list ();
1164         }
1165
1166         /* register for undo history */
1167
1168         session->register_with_memento_command_factory(_id, this);
1169 }
1170
1171 void
1172 Editor::build_cursors ()
1173 {
1174         using namespace Gdk;
1175
1176         Gdk::Color mbg ("#000000" ); /* Black */
1177         Gdk::Color mfg ("#0000ff" ); /* Blue. */
1178
1179         {
1180                 RefPtr<Bitmap> source, mask;
1181                 source = Bitmap::create (mag_bits, mag_width, mag_height);
1182                 mask = Bitmap::create (magmask_bits, mag_width, mag_height);
1183                 zoom_cursor = new Gdk::Cursor (source, mask, mfg, mbg, mag_x_hot, mag_y_hot);
1184         }
1185
1186         Gdk::Color fbg ("#ffffff" );
1187         Gdk::Color ffg  ("#000000" );
1188
1189         {
1190                 RefPtr<Bitmap> source, mask;
1191
1192                 source = Bitmap::create (fader_cursor_bits, fader_cursor_width, fader_cursor_height);
1193                 mask = Bitmap::create (fader_cursor_mask_bits, fader_cursor_width, fader_cursor_height);
1194                 fader_cursor = new Gdk::Cursor (source, mask, ffg, fbg, fader_cursor_x_hot, fader_cursor_y_hot);
1195         }
1196
1197         {
1198                 RefPtr<Bitmap> source, mask;
1199                 source = Bitmap::create (speaker_cursor_bits, speaker_cursor_width, speaker_cursor_height);
1200                 mask = Bitmap::create (speaker_cursor_mask_bits, speaker_cursor_width, speaker_cursor_height);
1201                 speaker_cursor = new Gdk::Cursor (source, mask, ffg, fbg, speaker_cursor_x_hot, speaker_cursor_y_hot);
1202         }
1203
1204         grabber_cursor = new Gdk::Cursor (HAND2);
1205         cross_hair_cursor = new Gdk::Cursor (CROSSHAIR);
1206         trimmer_cursor =  new Gdk::Cursor (SB_H_DOUBLE_ARROW);
1207         selector_cursor = new Gdk::Cursor (XTERM);
1208         time_fx_cursor = new Gdk::Cursor (SIZING);
1209         wait_cursor = new Gdk::Cursor  (WATCH);
1210         timebar_cursor = new Gdk::Cursor(LEFT_PTR);
1211 }
1212
1213 void
1214 Editor::popup_fade_context_menu (int button, int32_t time, ArdourCanvas::Item* item, ItemType item_type)
1215 {
1216         using namespace Menu_Helpers;
1217         AudioRegionView* arv = static_cast<AudioRegionView*> (item->get_data ("regionview"));
1218
1219         if (arv == 0) {
1220                 fatal << _("programming error: fade in canvas item has no regionview data pointer!") << endmsg;
1221                 /*NOTREACHED*/
1222         }
1223
1224         MenuList& items (fade_context_menu.items());
1225
1226         items.clear ();
1227
1228         switch (item_type) {
1229         case FadeInItem:
1230         case FadeInHandleItem:
1231                 if (arv->audio_region()->fade_in_active()) {
1232                         items.push_back (MenuElem (_("Deactivate"), bind (mem_fun (*this, &Editor::set_fade_in_active), false)));
1233                 } else {
1234                         items.push_back (MenuElem (_("Activate"), bind (mem_fun (*this, &Editor::set_fade_in_active), true)));
1235                 }
1236
1237                 items.push_back (SeparatorElem());
1238
1239                 items.push_back (MenuElem (_("Linear"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Linear)));
1240                 items.push_back (MenuElem (_("Slowest"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Fast)));
1241                 items.push_back (MenuElem (_("Slow"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::LogB)));
1242                 items.push_back (MenuElem (_("Fast"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::LogA)));
1243                 items.push_back (MenuElem (_("Fastest"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Slow)));
1244                 break;
1245
1246         case FadeOutItem:
1247         case FadeOutHandleItem:
1248                 if (arv->audio_region()->fade_out_active()) {
1249                         items.push_back (MenuElem (_("Deactivate"), bind (mem_fun (*this, &Editor::set_fade_out_active), false)));
1250                 } else {
1251                         items.push_back (MenuElem (_("Activate"), bind (mem_fun (*this, &Editor::set_fade_out_active), true)));
1252                 }
1253
1254                 items.push_back (SeparatorElem());
1255
1256                 items.push_back (MenuElem (_("Linear"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Linear)));
1257                 items.push_back (MenuElem (_("Slowest"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Slow)));
1258                 items.push_back (MenuElem (_("Slow"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::LogA)));
1259                 items.push_back (MenuElem (_("Fast"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::LogB)));
1260                 items.push_back (MenuElem (_("Fastest"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Fast)));
1261
1262                 break;
1263
1264         default:
1265                 fatal << _("programming error: ")
1266                       << X_("non-fade canvas item passed to popup_fade_context_menu()")
1267                       << endmsg;
1268                 /*NOTREACHED*/
1269         }
1270
1271         fade_context_menu.popup (button, time);
1272 }
1273
1274 void
1275 Editor::popup_track_context_menu (int button, int32_t time, ItemType item_type, bool with_selection, nframes_t frame)
1276 {
1277         using namespace Menu_Helpers;
1278         Menu* (Editor::*build_menu_function)(nframes_t);
1279         Menu *menu;
1280
1281         switch (item_type) {
1282         case RegionItem:
1283         case RegionViewName:
1284         case RegionViewNameHighlight:
1285                 if (with_selection) {
1286                         build_menu_function = &Editor::build_track_selection_context_menu;
1287                 } else {
1288                         build_menu_function = &Editor::build_track_region_context_menu;
1289                 }
1290                 break;
1291
1292         case SelectionItem:
1293                 if (with_selection) {
1294                         build_menu_function = &Editor::build_track_selection_context_menu;
1295                 } else {
1296                         build_menu_function = &Editor::build_track_context_menu;
1297                 }
1298                 break;
1299
1300         case CrossfadeViewItem:
1301                 build_menu_function = &Editor::build_track_crossfade_context_menu;
1302                 break;
1303
1304         case StreamItem:
1305                 if (clicked_audio_trackview->get_diskstream()) {
1306                         build_menu_function = &Editor::build_track_context_menu;
1307                 } else {
1308                         build_menu_function = &Editor::build_track_bus_context_menu;
1309                 }
1310                 break;
1311
1312         default:
1313                 /* probably shouldn't happen but if it does, we don't care */
1314                 return;
1315         }
1316
1317         menu = (this->*build_menu_function)(frame);
1318         menu->set_name ("ArdourContextMenu");
1319
1320         /* now handle specific situations */
1321
1322         switch (item_type) {
1323         case RegionItem:
1324         case RegionViewName:
1325         case RegionViewNameHighlight:
1326                 if (!with_selection) {
1327                         if (region_edit_menu_split_item) {
1328                                 if (clicked_regionview && clicked_regionview->region()->covers (edit_cursor->current_frame)) {
1329                                         ActionManager::set_sensitive (ActionManager::edit_cursor_in_region_sensitive_actions, true);
1330                                 } else {
1331                                         ActionManager::set_sensitive (ActionManager::edit_cursor_in_region_sensitive_actions, false);
1332                                 }
1333                         }
1334                         /*
1335                         if (region_edit_menu_split_multichannel_item) {
1336                                 if (clicked_regionview && clicked_regionview->region().n_channels() > 1) {
1337                                         // GTK2FIX find the action, change its sensitivity
1338                                         // region_edit_menu_split_multichannel_item->set_sensitive (true);
1339                                 } else {
1340                                         // GTK2FIX see above
1341                                         // region_edit_menu_split_multichannel_item->set_sensitive (false);
1342                                 }
1343                         }*/
1344                 }
1345                 break;
1346
1347         case SelectionItem:
1348                 break;
1349
1350         case CrossfadeViewItem:
1351                 break;
1352
1353         case StreamItem:
1354                 break;
1355
1356         default:
1357                 /* probably shouldn't happen but if it does, we don't care */
1358                 return;
1359         }
1360
1361         if (clicked_audio_trackview && clicked_audio_trackview->audio_track()) {
1362
1363                 /* Bounce to disk */
1364
1365                 using namespace Menu_Helpers;
1366                 MenuList& edit_items  = menu->items();
1367
1368                 edit_items.push_back (SeparatorElem());
1369
1370                 switch (clicked_audio_trackview->audio_track()->freeze_state()) {
1371                 case AudioTrack::NoFreeze:
1372                         edit_items.push_back (MenuElem (_("Freeze"), mem_fun(*this, &Editor::freeze_route)));
1373                         break;
1374
1375                 case AudioTrack::Frozen:
1376                         edit_items.push_back (MenuElem (_("Unfreeze"), mem_fun(*this, &Editor::unfreeze_route)));
1377                         break;
1378
1379                 case AudioTrack::UnFrozen:
1380                         edit_items.push_back (MenuElem (_("Freeze"), mem_fun(*this, &Editor::freeze_route)));
1381                         break;
1382                 }
1383
1384         }
1385
1386         menu->popup (button, time);
1387 }
1388
1389 Menu*
1390 Editor::build_track_context_menu (nframes_t ignored)
1391 {
1392         using namespace Menu_Helpers;
1393
1394         MenuList& edit_items = track_context_menu.items();
1395         edit_items.clear();
1396
1397         add_dstream_context_items (edit_items);
1398         return &track_context_menu;
1399 }
1400
1401 Menu*
1402 Editor::build_track_bus_context_menu (nframes_t ignored)
1403 {
1404         using namespace Menu_Helpers;
1405
1406         MenuList& edit_items = track_context_menu.items();
1407         edit_items.clear();
1408
1409         add_bus_context_items (edit_items);
1410         return &track_context_menu;
1411 }
1412
1413 Menu*
1414 Editor::build_track_region_context_menu (nframes_t frame)
1415 {
1416         using namespace Menu_Helpers;
1417         MenuList& edit_items  = track_region_context_menu.items();
1418         edit_items.clear();
1419
1420         AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*> (clicked_trackview);
1421
1422         if (atv) {
1423                 boost::shared_ptr<Diskstream> ds;
1424                 boost::shared_ptr<Playlist> pl;
1425
1426                 if ((ds = atv->get_diskstream()) && ((pl = ds->playlist()))) {
1427                         Playlist::RegionList* regions = pl->regions_at ((nframes_t) floor ( (double)frame * ds->speed()));
1428                         for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
1429                                 add_region_context_items (atv->audio_view(), (*i), edit_items);
1430                         }
1431                         delete regions;
1432                 }
1433         }
1434
1435         add_dstream_context_items (edit_items);
1436
1437         return &track_region_context_menu;
1438 }
1439
1440 Menu*
1441 Editor::build_track_crossfade_context_menu (nframes_t frame)
1442 {
1443         using namespace Menu_Helpers;
1444         MenuList& edit_items  = track_crossfade_context_menu.items();
1445         edit_items.clear ();
1446
1447         AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*> (clicked_trackview);
1448
1449         if (atv) {
1450                 boost::shared_ptr<Diskstream> ds;
1451                 boost::shared_ptr<Playlist> pl;
1452                 boost::shared_ptr<AudioPlaylist> apl;
1453
1454                 if ((ds = atv->get_diskstream()) && ((pl = ds->playlist()) != 0) && ((apl = boost::dynamic_pointer_cast<AudioPlaylist> (pl)) != 0)) {
1455
1456                         Playlist::RegionList* regions = pl->regions_at (frame);
1457                         AudioPlaylist::Crossfades xfades;
1458
1459                         apl->crossfades_at (frame, xfades);
1460
1461                         bool many = xfades.size() > 1;
1462
1463                         for (AudioPlaylist::Crossfades::iterator i = xfades.begin(); i != xfades.end(); ++i) {
1464                                 add_crossfade_context_items (atv->audio_view(), (*i), edit_items, many);
1465                         }
1466
1467                         for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
1468                                 add_region_context_items (atv->audio_view(), (*i), edit_items);
1469                         }
1470
1471                         delete regions;
1472                 }
1473         }
1474
1475         add_dstream_context_items (edit_items);
1476
1477         return &track_crossfade_context_menu;
1478 }
1479
1480 #ifdef FFT_ANALYSIS
1481 void
1482 Editor::analyze_region_selection()
1483 {
1484         if (analysis_window == 0) {
1485                 analysis_window = new AnalysisWindow();
1486
1487                 if (session != 0)
1488                         analysis_window->set_session(session);
1489
1490                 analysis_window->show_all();
1491         }
1492
1493         analysis_window->set_regionmode();
1494         analysis_window->analyze();
1495
1496         analysis_window->present();
1497 }
1498
1499 void
1500 Editor::analyze_range_selection()
1501 {
1502         if (analysis_window == 0) {
1503                 analysis_window = new AnalysisWindow();
1504
1505                 if (session != 0)
1506                         analysis_window->set_session(session);
1507
1508                 analysis_window->show_all();
1509         }
1510
1511         analysis_window->set_rangemode();
1512         analysis_window->analyze();
1513
1514         analysis_window->present();
1515 }
1516 #endif /* FFT_ANALYSIS */
1517
1518
1519
1520 Menu*
1521 Editor::build_track_selection_context_menu (nframes_t ignored)
1522 {
1523         using namespace Menu_Helpers;
1524         MenuList& edit_items  = track_selection_context_menu.items();
1525         edit_items.clear ();
1526
1527         add_selection_context_items (edit_items);
1528         add_dstream_context_items (edit_items);
1529
1530         return &track_selection_context_menu;
1531 }
1532
1533 void
1534 Editor::add_crossfade_context_items (AudioStreamView* view, boost::shared_ptr<Crossfade> xfade, Menu_Helpers::MenuList& edit_items, bool many)
1535 {
1536         using namespace Menu_Helpers;
1537         Menu     *xfade_menu = manage (new Menu);
1538         MenuList& items       = xfade_menu->items();
1539         xfade_menu->set_name ("ArdourContextMenu");
1540         string str;
1541
1542         if (xfade->active()) {
1543                 str = _("Mute");
1544         } else {
1545                 str = _("Unmute");
1546         }
1547
1548         items.push_back (MenuElem (str, bind (mem_fun(*this, &Editor::toggle_xfade_active), boost::weak_ptr<Crossfade> (xfade))));
1549         items.push_back (MenuElem (_("Edit"), bind (mem_fun(*this, &Editor::edit_xfade), boost::weak_ptr<Crossfade> (xfade))));
1550
1551         if (xfade->can_follow_overlap()) {
1552
1553                 if (xfade->following_overlap()) {
1554                         str = _("Convert to short");
1555                 } else {
1556                         str = _("Convert to full");
1557                 }
1558
1559                 items.push_back (MenuElem (str, bind (mem_fun(*this, &Editor::toggle_xfade_length), xfade)));
1560         }
1561
1562         if (many) {
1563                 str = xfade->out()->name();
1564                 str += "->";
1565                 str += xfade->in()->name();
1566         } else {
1567                 str = _("Crossfade");
1568         }
1569
1570         edit_items.push_back (MenuElem (str, *xfade_menu));
1571         edit_items.push_back (SeparatorElem());
1572 }
1573
1574 void
1575 Editor::xfade_edit_left_region ()
1576 {
1577         if (clicked_crossfadeview) {
1578                 clicked_crossfadeview->left_view.show_region_editor ();
1579         }
1580 }
1581
1582 void
1583 Editor::xfade_edit_right_region ()
1584 {
1585         if (clicked_crossfadeview) {
1586                 clicked_crossfadeview->right_view.show_region_editor ();
1587         }
1588 }
1589
1590 void
1591 Editor::add_region_context_items (AudioStreamView* sv, boost::shared_ptr<Region> region, Menu_Helpers::MenuList& edit_items)
1592 {
1593         using namespace Menu_Helpers;
1594         Menu     *region_menu = manage (new Menu);
1595         MenuList& items       = region_menu->items();
1596         region_menu->set_name ("ArdourContextMenu");
1597
1598         boost::shared_ptr<AudioRegion> ar;
1599
1600         if (region) {
1601                 ar = boost::dynamic_pointer_cast<AudioRegion> (region);
1602         }
1603
1604         /* when this particular menu pops up, make the relevant region
1605            become selected.
1606         */
1607
1608         region_menu->signal_map_event().connect (bind (mem_fun(*this, &Editor::set_selected_regionview_from_map_event), sv, boost::weak_ptr<Region>(region)));
1609
1610         items.push_back (MenuElem (_("Popup region editor"), mem_fun(*this, &Editor::edit_region)));
1611         items.push_back (MenuElem (_("Raise to top layer"), mem_fun(*this, &Editor::raise_region_to_top)));
1612         items.push_back (MenuElem (_("Lower to bottom layer"), mem_fun  (*this, &Editor::lower_region_to_bottom)));
1613         items.push_back (SeparatorElem());
1614         items.push_back (MenuElem (_("Define sync point"), mem_fun(*this, &Editor::set_region_sync_from_edit_cursor)));
1615         items.push_back (MenuElem (_("Remove sync point"), mem_fun(*this, &Editor::remove_region_sync)));
1616         items.push_back (SeparatorElem());
1617
1618         items.push_back (MenuElem (_("Audition"), mem_fun(*this, &Editor::audition_selected_region)));
1619         items.push_back (MenuElem (_("Export"), mem_fun(*this, &Editor::export_region)));
1620         items.push_back (MenuElem (_("Bounce"), mem_fun(*this, &Editor::bounce_region_selection)));
1621
1622 #ifdef FFT_ANALYSIS
1623         items.push_back (MenuElem (_("Analyze region"), mem_fun(*this, &Editor::analyze_region_selection)));
1624 #endif
1625
1626         items.push_back (SeparatorElem());
1627
1628         items.push_back (CheckMenuElem (_("Lock"), mem_fun(*this, &Editor::toggle_region_lock)));
1629         region_lock_item = static_cast<CheckMenuItem*>(&items.back());
1630         if (region->locked()) {
1631                 region_lock_item->set_active();
1632         }
1633         items.push_back (CheckMenuElem (_("Mute"), mem_fun(*this, &Editor::toggle_region_mute)));
1634         region_mute_item = static_cast<CheckMenuItem*>(&items.back());
1635         if (region->muted()) {
1636                 region_mute_item->set_active();
1637         }
1638         items.push_back (CheckMenuElem (_("Opaque"), mem_fun(*this, &Editor::toggle_region_opaque)));
1639         region_opaque_item = static_cast<CheckMenuItem*>(&items.back());
1640         if (region->opaque()) {
1641                 region_opaque_item->set_active();
1642         }
1643
1644         items.push_back (CheckMenuElem (_("Original position"), mem_fun(*this, &Editor::naturalize)));
1645         if (region->at_natural_position()) {
1646                 items.back().set_sensitive (false);
1647         }
1648
1649         items.push_back (SeparatorElem());
1650
1651         if (ar) {
1652
1653                 RegionView* rv = sv->find_view (ar);
1654                 AudioRegionView* arv = dynamic_cast<AudioRegionView*>(rv);
1655
1656                 items.push_back (MenuElem (_("Reset Envelope"), mem_fun(*this, &Editor::reset_region_gain_envelopes)));
1657
1658                 items.push_back (CheckMenuElem (_("Envelope Visible"), mem_fun(*this, &Editor::toggle_gain_envelope_visibility)));
1659                 region_envelope_visible_item = static_cast<CheckMenuItem*> (&items.back());
1660
1661                 if (arv->envelope_visible()) {
1662                         region_envelope_visible_item->set_active (true);
1663                 }
1664
1665                 items.push_back (CheckMenuElem (_("Envelope Active"), mem_fun(*this, &Editor::toggle_gain_envelope_active)));
1666                 region_envelope_active_item = static_cast<CheckMenuItem*> (&items.back());
1667
1668                 if (ar->envelope_active()) {
1669                         region_envelope_active_item->set_active (true);
1670                 }
1671
1672                 items.push_back (SeparatorElem());
1673
1674                 if (ar->scale_amplitude() != 1.0f) {
1675                         items.push_back (MenuElem (_("DeNormalize"), mem_fun(*this, &Editor::denormalize_region)));
1676                 } else {
1677                         items.push_back (MenuElem (_("Normalize"), mem_fun(*this, &Editor::normalize_region)));
1678                 }
1679         }
1680         items.push_back (MenuElem (_("Reverse"), mem_fun(*this, &Editor::reverse_region)));
1681         items.push_back (SeparatorElem());
1682
1683
1684         /* range related stuff */
1685
1686         items.push_back (MenuElem (_("Add Range Markers"), mem_fun (*this, &Editor::add_location_from_audio_region)));
1687         items.push_back (MenuElem (_("Set Range Selection"), mem_fun (*this, &Editor::set_selection_from_audio_region)));
1688         items.push_back (SeparatorElem());
1689
1690         /* Nudge region */
1691
1692         Menu *nudge_menu = manage (new Menu());
1693         MenuList& nudge_items = nudge_menu->items();
1694         nudge_menu->set_name ("ArdourContextMenu");
1695
1696         nudge_items.push_back (MenuElem (_("Nudge fwd"), (bind (mem_fun(*this, &Editor::nudge_forward), false))));
1697         nudge_items.push_back (MenuElem (_("Nudge bwd"), (bind (mem_fun(*this, &Editor::nudge_backward), false))));
1698         nudge_items.push_back (MenuElem (_("Nudge fwd by capture offset"), (mem_fun(*this, &Editor::nudge_forward_capture_offset))));
1699         nudge_items.push_back (MenuElem (_("Nudge bwd by capture offset"), (mem_fun(*this, &Editor::nudge_backward_capture_offset))));
1700
1701         items.push_back (MenuElem (_("Nudge"), *nudge_menu));
1702         items.push_back (SeparatorElem());
1703
1704         Menu *trim_menu = manage (new Menu);
1705         MenuList& trim_items = trim_menu->items();
1706         trim_menu->set_name ("ArdourContextMenu");
1707
1708         trim_items.push_back (MenuElem (_("Start to edit cursor"), mem_fun(*this, &Editor::trim_region_from_edit_cursor)));
1709         trim_items.push_back (MenuElem (_("Edit cursor to end"), mem_fun(*this, &Editor::trim_region_to_edit_cursor)));
1710
1711         items.push_back (MenuElem (_("Trim"), *trim_menu));
1712         items.push_back (SeparatorElem());
1713
1714         items.push_back (MenuElem (_("Split"), (mem_fun(*this, &Editor::split_region))));
1715         region_edit_menu_split_item = &items.back();
1716
1717         items.push_back (MenuElem (_("Make mono regions"), (mem_fun(*this, &Editor::split_multichannel_region))));
1718         region_edit_menu_split_multichannel_item = &items.back();
1719
1720         items.push_back (MenuElem (_("Duplicate"), (bind (mem_fun(*this, &Editor::duplicate_dialog), true))));
1721         items.push_back (MenuElem (_("Fill Track"), (mem_fun(*this, &Editor::region_fill_track))));
1722         items.push_back (SeparatorElem());
1723         items.push_back (MenuElem (_("Remove"), mem_fun(*this, &Editor::remove_clicked_region)));
1724
1725         /* OK, stick the region submenu at the top of the list, and then add
1726            the standard items.
1727         */
1728
1729         /* we have to hack up the region name because "_" has a special
1730            meaning for menu titles.
1731         */
1732
1733         string::size_type pos = 0;
1734         string menu_item_name = region->name();
1735
1736         while ((pos = menu_item_name.find ("_", pos)) != string::npos) {
1737                 menu_item_name.replace (pos, 1, "__");
1738                 pos += 2;
1739         }
1740
1741         edit_items.push_back (MenuElem (menu_item_name, *region_menu));
1742         edit_items.push_back (SeparatorElem());
1743 }
1744
1745 void
1746 Editor::add_selection_context_items (Menu_Helpers::MenuList& edit_items)
1747 {
1748         using namespace Menu_Helpers;
1749         Menu     *selection_menu = manage (new Menu);
1750         MenuList& items       = selection_menu->items();
1751         selection_menu->set_name ("ArdourContextMenu");
1752
1753         items.push_back (MenuElem (_("Play range"), mem_fun(*this, &Editor::play_selection)));
1754         items.push_back (MenuElem (_("Loop range"), mem_fun(*this, &Editor::set_route_loop_selection)));
1755
1756 #ifdef FFT_ANALYSIS
1757         items.push_back (SeparatorElem());
1758         items.push_back (MenuElem (_("Analyze range"), mem_fun(*this, &Editor::analyze_range_selection)));
1759 #endif
1760
1761         items.push_back (SeparatorElem());
1762         items.push_back (MenuElem (_("Separate range to track"), mem_fun(*this, &Editor::separate_region_from_selection)));
1763         items.push_back (MenuElem (_("Separate range to region list"), mem_fun(*this, &Editor::new_region_from_selection)));
1764
1765         items.push_back (SeparatorElem());
1766         items.push_back (MenuElem (_("Select all in range"), mem_fun(*this, &Editor::select_all_selectables_using_time_selection)));
1767         items.push_back (SeparatorElem());
1768         items.push_back (MenuElem (_("Add Range Markers"), mem_fun (*this, &Editor::add_location_from_selection)));
1769         items.push_back (MenuElem (_("Set range to loop range"), mem_fun(*this, &Editor::set_selection_from_loop)));
1770         items.push_back (MenuElem (_("Set range to punch range"), mem_fun(*this, &Editor::set_selection_from_punch)));
1771         items.push_back (SeparatorElem());
1772         items.push_back (MenuElem (_("Crop region to range"), mem_fun(*this, &Editor::crop_region_to_selection)));
1773         items.push_back (MenuElem (_("Fill range with region"), mem_fun(*this, &Editor::region_fill_selection)));
1774         items.push_back (MenuElem (_("Duplicate range"), bind (mem_fun(*this, &Editor::duplicate_dialog), false)));
1775         items.push_back (MenuElem (_("Create chunk from range"), mem_fun(*this, &Editor::create_named_selection)));
1776         items.push_back (SeparatorElem());
1777         items.push_back (MenuElem (_("Bounce range"), mem_fun(*this, &Editor::bounce_range_selection)));
1778         items.push_back (MenuElem (_("Export range"), mem_fun(*this, &Editor::export_selection)));
1779
1780         edit_items.push_back (MenuElem (_("Range"), *selection_menu));
1781         edit_items.push_back (SeparatorElem());
1782 }
1783
1784 void
1785 Editor::add_dstream_context_items (Menu_Helpers::MenuList& edit_items)
1786 {
1787         using namespace Menu_Helpers;
1788
1789         /* Playback */
1790
1791         Menu *play_menu = manage (new Menu);
1792         MenuList& play_items = play_menu->items();
1793         play_menu->set_name ("ArdourContextMenu");
1794
1795         play_items.push_back (MenuElem (_("Play from edit cursor"), mem_fun(*this, &Editor::play_from_edit_cursor)));
1796         play_items.push_back (MenuElem (_("Play from start"), mem_fun(*this, &Editor::play_from_start)));
1797         play_items.push_back (MenuElem (_("Play region"), mem_fun(*this, &Editor::play_selected_region)));
1798         play_items.push_back (SeparatorElem());
1799         play_items.push_back (MenuElem (_("Loop Region"), mem_fun(*this, &Editor::loop_selected_region)));
1800
1801         edit_items.push_back (MenuElem (_("Play"), *play_menu));
1802
1803         /* Selection */
1804
1805         Menu *select_menu = manage (new Menu);
1806         MenuList& select_items = select_menu->items();
1807         select_menu->set_name ("ArdourContextMenu");
1808
1809         select_items.push_back (MenuElem (_("Select All in track"), bind (mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
1810         select_items.push_back (MenuElem (_("Select All"), bind (mem_fun(*this, &Editor::select_all), Selection::Set)));
1811         select_items.push_back (MenuElem (_("Invert selection in track"), mem_fun(*this, &Editor::invert_selection_in_track)));
1812         select_items.push_back (MenuElem (_("Invert selection"), mem_fun(*this, &Editor::invert_selection)));
1813         select_items.push_back (SeparatorElem());
1814         select_items.push_back (MenuElem (_("Set range to loop range"), mem_fun(*this, &Editor::set_selection_from_loop)));
1815         select_items.push_back (MenuElem (_("Set range to punch range"), mem_fun(*this, &Editor::set_selection_from_punch)));
1816         select_items.push_back (SeparatorElem());
1817         select_items.push_back (MenuElem (_("Select all after edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, true)));
1818         select_items.push_back (MenuElem (_("Select all before edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, false)));
1819         select_items.push_back (MenuElem (_("Select all after playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
1820         select_items.push_back (MenuElem (_("Select all before playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
1821         select_items.push_back (MenuElem (_("Select all between cursors"), bind (mem_fun(*this, &Editor::select_all_selectables_between_cursors), playhead_cursor, edit_cursor)));
1822         select_items.push_back (SeparatorElem());
1823
1824         edit_items.push_back (MenuElem (_("Select"), *select_menu));
1825
1826         /* Cut-n-Paste */
1827
1828         Menu *cutnpaste_menu = manage (new Menu);
1829         MenuList& cutnpaste_items = cutnpaste_menu->items();
1830         cutnpaste_menu->set_name ("ArdourContextMenu");
1831
1832         cutnpaste_items.push_back (MenuElem (_("Cut"), mem_fun(*this, &Editor::cut)));
1833         cutnpaste_items.push_back (MenuElem (_("Copy"), mem_fun(*this, &Editor::copy)));
1834         cutnpaste_items.push_back (MenuElem (_("Paste at edit cursor"), bind (mem_fun(*this, &Editor::paste), 1.0f)));
1835         cutnpaste_items.push_back (MenuElem (_("Paste at mouse"), mem_fun(*this, &Editor::mouse_paste)));
1836
1837         cutnpaste_items.push_back (SeparatorElem());
1838
1839         cutnpaste_items.push_back (MenuElem (_("Align"), bind (mem_fun(*this, &Editor::align), ARDOUR::SyncPoint)));
1840         cutnpaste_items.push_back (MenuElem (_("Align Relative"), bind (mem_fun(*this, &Editor::align_relative), ARDOUR::SyncPoint)));
1841
1842         cutnpaste_items.push_back (SeparatorElem());
1843
1844         cutnpaste_items.push_back (MenuElem (_("Insert chunk"), bind (mem_fun(*this, &Editor::paste_named_selection), 1.0f)));
1845
1846         edit_items.push_back (MenuElem (_("Edit"), *cutnpaste_menu));
1847
1848         /* Adding new material */
1849
1850         edit_items.push_back (SeparatorElem());
1851         edit_items.push_back (MenuElem (_("Insert Selected Region"), bind (mem_fun(*this, &Editor::insert_region_list_selection), 1.0f)));
1852         edit_items.push_back (MenuElem (_("Insert Existing Audio"), bind (mem_fun(*this, &Editor::add_external_audio_action), ImportToTrack)));
1853
1854         /* Nudge track */
1855
1856         Menu *nudge_menu = manage (new Menu());
1857         MenuList& nudge_items = nudge_menu->items();
1858         nudge_menu->set_name ("ArdourContextMenu");
1859
1860         edit_items.push_back (SeparatorElem());
1861         nudge_items.push_back (MenuElem (_("Nudge entire track fwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, true))));
1862         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor fwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, true))));
1863         nudge_items.push_back (MenuElem (_("Nudge entire track bwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, false))));
1864         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor bwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, false))));
1865
1866         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
1867 }
1868
1869 void
1870 Editor::add_bus_context_items (Menu_Helpers::MenuList& edit_items)
1871 {
1872         using namespace Menu_Helpers;
1873
1874         /* Playback */
1875
1876         Menu *play_menu = manage (new Menu);
1877         MenuList& play_items = play_menu->items();
1878         play_menu->set_name ("ArdourContextMenu");
1879
1880         play_items.push_back (MenuElem (_("Play from edit cursor"), mem_fun(*this, &Editor::play_from_edit_cursor)));
1881         play_items.push_back (MenuElem (_("Play from start"), mem_fun(*this, &Editor::play_from_start)));
1882         edit_items.push_back (MenuElem (_("Play"), *play_menu));
1883
1884         /* Selection */
1885
1886         Menu *select_menu = manage (new Menu);
1887         MenuList& select_items = select_menu->items();
1888         select_menu->set_name ("ArdourContextMenu");
1889
1890         select_items.push_back (MenuElem (_("Select All in track"), bind (mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
1891         select_items.push_back (MenuElem (_("Select All"), bind (mem_fun(*this, &Editor::select_all), Selection::Set)));
1892         select_items.push_back (MenuElem (_("Invert selection in track"), mem_fun(*this, &Editor::invert_selection_in_track)));
1893         select_items.push_back (MenuElem (_("Invert selection"), mem_fun(*this, &Editor::invert_selection)));
1894         select_items.push_back (SeparatorElem());
1895         select_items.push_back (MenuElem (_("Select all after edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, true)));
1896         select_items.push_back (MenuElem (_("Select all before edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, false)));
1897         select_items.push_back (MenuElem (_("Select all after playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
1898         select_items.push_back (MenuElem (_("Select all before playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
1899
1900         edit_items.push_back (MenuElem (_("Select"), *select_menu));
1901
1902         /* Cut-n-Paste */
1903
1904         Menu *cutnpaste_menu = manage (new Menu);
1905         MenuList& cutnpaste_items = cutnpaste_menu->items();
1906         cutnpaste_menu->set_name ("ArdourContextMenu");
1907
1908         cutnpaste_items.push_back (MenuElem (_("Cut"), mem_fun(*this, &Editor::cut)));
1909         cutnpaste_items.push_back (MenuElem (_("Copy"), mem_fun(*this, &Editor::copy)));
1910         cutnpaste_items.push_back (MenuElem (_("Paste"), bind (mem_fun(*this, &Editor::paste), 1.0f)));
1911
1912         Menu *nudge_menu = manage (new Menu());
1913         MenuList& nudge_items = nudge_menu->items();
1914         nudge_menu->set_name ("ArdourContextMenu");
1915
1916         edit_items.push_back (SeparatorElem());
1917         nudge_items.push_back (MenuElem (_("Nudge entire track fwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, true))));
1918         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor fwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, true))));
1919         nudge_items.push_back (MenuElem (_("Nudge entire track bwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, false))));
1920         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor bwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, false))));
1921
1922         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
1923 }
1924
1925 /* CURSOR SETTING AND MARKS AND STUFF */
1926
1927 void
1928 Editor::set_snap_to (SnapType st)
1929 {
1930         snap_type = st;
1931         string str = snap_type_strings[(int) st];
1932
1933         if (str != snap_type_selector.get_active_text()) {
1934                 snap_type_selector.set_active_text (str);
1935         }
1936
1937         instant_save ();
1938
1939         switch (snap_type) {
1940         case SnapToAThirtysecondBeat:
1941         case SnapToASixteenthBeat:
1942         case SnapToAEighthBeat:
1943         case SnapToAQuarterBeat:
1944         case SnapToAThirdBeat:
1945                 update_tempo_based_rulers ();
1946         default:
1947                 /* relax */
1948                 break;
1949     }
1950 }
1951
1952 void
1953 Editor::set_snap_mode (SnapMode mode)
1954 {
1955         snap_mode = mode;
1956         string str = snap_mode_strings[(int)mode];
1957
1958         if (str != snap_mode_selector.get_active_text ()) {
1959                 snap_mode_selector.set_active_text (str);
1960         }
1961
1962         instant_save ();
1963 }
1964
1965 int
1966 Editor::set_state (const XMLNode& node)
1967 {
1968         const XMLProperty* prop;
1969         XMLNode* geometry;
1970         int x, y, xoff, yoff;
1971         Gdk::Geometry g;
1972
1973         if ((prop = node.property ("id")) != 0) {
1974                 _id = prop->value ();
1975         }
1976
1977         if ((geometry = find_named_node (node, "geometry")) == 0) {
1978
1979                 g.base_width = default_width;
1980                 g.base_height = default_height;
1981                 x = 1;
1982                 y = 1;
1983                 xoff = 0;
1984                 yoff = 21;
1985
1986         } else {
1987
1988                 g.base_width = atoi(geometry->property("x_size")->value());
1989                 g.base_height = atoi(geometry->property("y_size")->value());
1990                 x = atoi(geometry->property("x_pos")->value());
1991                 y = atoi(geometry->property("y_pos")->value());
1992                 xoff = atoi(geometry->property("x_off")->value());
1993                 yoff = atoi(geometry->property("y_off")->value());
1994         }
1995
1996         set_default_size (g.base_width, g.base_height);
1997         move (x, y);
1998
1999         if (session && (prop = node.property ("playhead"))) {
2000                 nframes_t pos = atol (prop->value().c_str());
2001                 playhead_cursor->set_position (pos);
2002         } else {
2003                 playhead_cursor->set_position (0);
2004
2005                 /* reset_x_origin() doesn't work right here, since the old
2006                    position may be zero already, and it does nothing in such
2007                    circumstances.
2008                 */
2009
2010                 leftmost_frame = 0;
2011                 horizontal_adjustment.set_value (0);
2012         }
2013
2014         if (session && (prop = node.property ("edit-cursor"))) {
2015                 nframes_t pos = atol (prop->value().c_str());
2016                 edit_cursor->set_position (pos);
2017         } else {
2018                 edit_cursor->set_position (0);
2019         }
2020
2021         if ((prop = node.property ("zoom-focus"))) {
2022                 set_zoom_focus ((ZoomFocus) atoi (prop->value()));
2023         }
2024
2025         if ((prop = node.property ("zoom"))) {
2026                 reset_zoom (PBD::atof (prop->value()));
2027         }
2028
2029         if ((prop = node.property ("snap-to"))) {
2030                 set_snap_to ((SnapType) atoi (prop->value()));
2031         }
2032
2033         if ((prop = node.property ("snap-mode"))) {
2034                 set_snap_mode ((SnapMode) atoi (prop->value()));
2035         }
2036
2037         if ((prop = node.property ("mouse-mode"))) {
2038                 MouseMode m = str2mousemode(prop->value());
2039                 mouse_mode = MouseMode ((int) m + 1); /* lie, force mode switch */
2040                 set_mouse_mode (m, true);
2041         } else {
2042                 mouse_mode = MouseGain; /* lie, to force the mode switch */
2043                 set_mouse_mode (MouseObject, true);
2044         }
2045
2046         if ((prop = node.property ("show-waveforms"))) {
2047                 bool yn = (prop->value() == "yes");
2048                 _show_waveforms = !yn;
2049                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleWaveformVisibility"));
2050                 if (act) {
2051                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2052                         /* do it twice to force the change */
2053                         tact->set_active (!yn);
2054                         tact->set_active (yn);
2055                 }
2056         }
2057
2058         if ((prop = node.property ("show-waveforms-recording"))) {
2059                 bool yn = (prop->value() == "yes");
2060                 _show_waveforms_recording = !yn;
2061                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleWaveformsWhileRecording"));
2062                 if (act) {
2063                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2064                         /* do it twice to force the change */
2065                         tact->set_active (!yn);
2066                         tact->set_active (yn);
2067                 }
2068         }
2069
2070         if ((prop = node.property ("show-measures"))) {
2071                 bool yn = (prop->value() == "yes");
2072                 _show_measures = !yn;
2073                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleMeasureVisibility"));
2074                 if (act) {
2075                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2076                         /* do it twice to force the change */
2077                         tact->set_active (!yn);
2078                         tact->set_active (yn);
2079                 }
2080         }
2081
2082         if ((prop = node.property ("follow-playhead"))) {
2083                 bool yn = (prop->value() == "yes");
2084                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
2085                 if (act) {
2086                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2087                         /* do it twice to force the change */
2088                         tact->set_active (!yn);
2089                         tact->set_active (yn);
2090                 }
2091         }
2092
2093
2094         if ((prop = node.property ("region-list-sort-type"))) {
2095                 region_list_sort_type = (Editing::RegionListSortType) -1; // force change
2096                 reset_region_list_sort_type(str2regionlistsorttype(prop->value()));
2097         }
2098
2099         if ((prop = node.property ("xfades-visible"))) {
2100                 bool yn = (prop->value() == "yes");
2101                 _xfade_visibility = !yn;
2102                 // set_xfade_visibility (yn);
2103         }
2104
2105         if ((prop = node.property ("show-editor-mixer"))) {
2106
2107                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2108                 if (act) {
2109
2110                         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2111                         bool yn = (prop->value() == X_("yes"));
2112
2113                         /* do it twice to force the change */
2114
2115                         tact->set_active (!yn);
2116                         tact->set_active (yn);
2117                 }
2118         }
2119
2120
2121         return 0;
2122 }
2123
2124 XMLNode&
2125 Editor::get_state ()
2126 {
2127         XMLNode* node = new XMLNode ("Editor");
2128         char buf[32];
2129
2130         _id.print (buf, sizeof (buf));
2131         node->add_property ("id", buf);
2132
2133         if (is_realized()) {
2134                 Glib::RefPtr<Gdk::Window> win = get_window();
2135
2136                 int x, y, xoff, yoff, width, height;
2137                 win->get_root_origin(x, y);
2138                 win->get_position(xoff, yoff);
2139                 win->get_size(width, height);
2140
2141                 XMLNode* geometry = new XMLNode ("geometry");
2142
2143                 snprintf(buf, sizeof(buf), "%d", width);
2144                 geometry->add_property("x_size", string(buf));
2145                 snprintf(buf, sizeof(buf), "%d", height);
2146                 geometry->add_property("y_size", string(buf));
2147                 snprintf(buf, sizeof(buf), "%d", x);
2148                 geometry->add_property("x_pos", string(buf));
2149                 snprintf(buf, sizeof(buf), "%d", y);
2150                 geometry->add_property("y_pos", string(buf));
2151                 snprintf(buf, sizeof(buf), "%d", xoff);
2152                 geometry->add_property("x_off", string(buf));
2153                 snprintf(buf, sizeof(buf), "%d", yoff);
2154                 geometry->add_property("y_off", string(buf));
2155                 snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (static_cast<Paned*>(&edit_pane)->gobj()));
2156                 geometry->add_property("edit_pane_pos", string(buf));
2157
2158                 node->add_child_nocopy (*geometry);
2159         }
2160
2161         snprintf (buf, sizeof(buf), "%d", (int) zoom_focus);
2162         node->add_property ("zoom-focus", buf);
2163         snprintf (buf, sizeof(buf), "%f", frames_per_unit);
2164         node->add_property ("zoom", buf);
2165         snprintf (buf, sizeof(buf), "%d", (int) snap_type);
2166         node->add_property ("snap-to", buf);
2167         snprintf (buf, sizeof(buf), "%d", (int) snap_mode);
2168         node->add_property ("snap-mode", buf);
2169
2170         snprintf (buf, sizeof (buf), "%" PRIu32, playhead_cursor->current_frame);
2171         node->add_property ("playhead", buf);
2172         snprintf (buf, sizeof (buf), "%" PRIu32, edit_cursor->current_frame);
2173         node->add_property ("edit-cursor", buf);
2174
2175         node->add_property ("show-waveforms", _show_waveforms ? "yes" : "no");
2176         node->add_property ("show-waveforms-recording", _show_waveforms_recording ? "yes" : "no");
2177         node->add_property ("show-measures", _show_measures ? "yes" : "no");
2178         node->add_property ("follow-playhead", _follow_playhead ? "yes" : "no");
2179         node->add_property ("xfades-visible", _xfade_visibility ? "yes" : "no");
2180         node->add_property ("region-list-sort-type", enum2str(region_list_sort_type));
2181         node->add_property ("mouse-mode", enum2str(mouse_mode));
2182
2183         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2184         if (act) {
2185                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2186                 node->add_property (X_("show-editor-mixer"), tact->get_active() ? "yes" : "no");
2187         }
2188
2189         return *node;
2190 }
2191
2192
2193
2194 TimeAxisView *
2195 Editor::trackview_by_y_position (double y)
2196 {
2197         for (TrackViewList::iterator iter = track_views.begin(); iter != track_views.end(); ++iter) {
2198
2199                 TimeAxisView *tv;
2200
2201                 if ((tv = (*iter)->covers_y_position (y)) != 0) {
2202                         return tv;
2203                 }
2204         }
2205
2206         return 0;
2207 }
2208
2209 void
2210 Editor::snap_to (nframes_t& start, int32_t direction, bool for_mark)
2211 {
2212         Location* before = 0;
2213         Location* after = 0;
2214
2215         if (!session) {
2216                 return;
2217         }
2218
2219         const nframes_t one_second = session->frame_rate();
2220         const nframes_t one_minute = session->frame_rate() * 60;
2221         const nframes_t one_smpte_second = (nframes_t)(rint(session->smpte_frames_per_second()) * session->frames_per_smpte_frame());
2222         nframes_t one_smpte_minute = (nframes_t)(rint(session->smpte_frames_per_second()) * session->frames_per_smpte_frame() * 60);
2223         nframes_t presnap = start;
2224
2225         switch (snap_type) {
2226         case SnapToFrame:
2227                 break;
2228
2229         case SnapToCDFrame:
2230                 if (direction) {
2231                         start = (nframes_t) ceil ((double) start / (one_second / 75)) * (one_second / 75);
2232                 } else {
2233                         start = (nframes_t) floor ((double) start / (one_second / 75)) * (one_second / 75);
2234                 }
2235                 break;
2236
2237         case SnapToSMPTEFrame:
2238                 if (fmod((double)start, (double)session->frames_per_smpte_frame()) > (session->frames_per_smpte_frame() / 2)) {
2239                         start = (nframes_t) (ceil ((double) start / session->frames_per_smpte_frame()) * session->frames_per_smpte_frame());
2240                 } else {
2241                         start = (nframes_t) (floor ((double) start / session->frames_per_smpte_frame()) *  session->frames_per_smpte_frame());
2242                 }
2243                 break;
2244
2245         case SnapToSMPTESeconds:
2246                 if (session->smpte_offset_negative())
2247                 {
2248                         start += session->smpte_offset ();
2249                 } else {
2250                         start -= session->smpte_offset ();
2251                 }
2252                 if (start % one_smpte_second > one_smpte_second / 2) {
2253                         start = (nframes_t) ceil ((double) start / one_smpte_second) * one_smpte_second;
2254                 } else {
2255                         start = (nframes_t) floor ((double) start / one_smpte_second) * one_smpte_second;
2256                 }
2257
2258                 if (session->smpte_offset_negative())
2259                 {
2260                         start -= session->smpte_offset ();
2261                 } else {
2262                         start += session->smpte_offset ();
2263                 }
2264                 break;
2265
2266         case SnapToSMPTEMinutes:
2267                 if (session->smpte_offset_negative())
2268                 {
2269                         start += session->smpte_offset ();
2270                 } else {
2271                         start -= session->smpte_offset ();
2272                 }
2273                 if (start % one_smpte_minute > one_smpte_minute / 2) {
2274                         start = (nframes_t) ceil ((double) start / one_smpte_minute) * one_smpte_minute;
2275                 } else {
2276                         start = (nframes_t) floor ((double) start / one_smpte_minute) * one_smpte_minute;
2277                 }
2278                 if (session->smpte_offset_negative())
2279                 {
2280                         start -= session->smpte_offset ();
2281                 } else {
2282                         start += session->smpte_offset ();
2283                 }
2284                 break;
2285
2286         case SnapToSeconds:
2287                 if (start % one_second > one_second / 2) {
2288                         start = (nframes_t) ceil ((double) start / one_second) * one_second;
2289                 } else {
2290                         start = (nframes_t) floor ((double) start / one_second) * one_second;
2291                 }
2292                 break;
2293
2294         case SnapToMinutes:
2295                 if (start % one_minute > one_minute / 2) {
2296                         start = (nframes_t) ceil ((double) start / one_minute) * one_minute;
2297                 } else {
2298                         start = (nframes_t) floor ((double) start / one_minute) * one_minute;
2299                 }
2300                 break;
2301
2302         case SnapToBar:
2303                 start = session->tempo_map().round_to_bar (start, direction);
2304                 break;
2305
2306         case SnapToBeat:
2307                 start = session->tempo_map().round_to_beat (start, direction);
2308                 break;
2309
2310         case SnapToAThirtysecondBeat:
2311                 start = session->tempo_map().round_to_beat_subdivision (start, 32);
2312                 break;
2313
2314         case SnapToASixteenthBeat:
2315                 start = session->tempo_map().round_to_beat_subdivision (start, 16);
2316                 break;
2317
2318         case SnapToAEighthBeat:
2319                 start = session->tempo_map().round_to_beat_subdivision (start, 8);
2320                 break;
2321
2322         case SnapToAQuarterBeat:
2323                 start = session->tempo_map().round_to_beat_subdivision (start, 4);
2324                 break;
2325
2326         case SnapToAThirdBeat:
2327                 start = session->tempo_map().round_to_beat_subdivision (start, 3);
2328                 break;
2329
2330         case SnapToEditCursor:
2331                 start = edit_cursor->current_frame;
2332                 break;
2333
2334         case SnapToMark:
2335                 if (for_mark) {
2336                         return;
2337                 }
2338
2339                 before = session->locations()->first_location_before (start);
2340                 after = session->locations()->first_location_after (start);
2341
2342                 if (direction < 0) {
2343                         if (before) {
2344                                 start = before->start();
2345                         } else {
2346                                 start = 0;
2347                         }
2348                 } else if (direction > 0) {
2349                         if (after) {
2350                                 start = after->start();
2351                         } else {
2352                                 start = session->current_end_frame();
2353                         }
2354                 } else {
2355                         if (before) {
2356                                 if (after) {
2357                                         /* find nearest of the two */
2358                                         if ((start - before->start()) < (after->start() - start)) {
2359                                                 start = before->start();
2360                                         } else {
2361                                                 start = after->start();
2362                                         }
2363                                 } else {
2364                                         start = before->start();
2365                                 }
2366                         } else if (after) {
2367                                 start = after->start();
2368                         } else {
2369                                 /* relax */
2370                         }
2371                 }
2372                 break;
2373
2374         case SnapToRegionStart:
2375         case SnapToRegionEnd:
2376         case SnapToRegionSync:
2377         case SnapToRegionBoundary:
2378                 if (!region_boundary_cache.empty()) {
2379                         vector<nframes_t>::iterator i;
2380
2381                         if (direction > 0) {
2382                                 i = std::upper_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2383                         } else {
2384                                 i = std::lower_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2385                         }
2386
2387                         if (i != region_boundary_cache.end()) {
2388                                 start = *i;
2389                         } else {
2390                                 start = region_boundary_cache.back();
2391                         }
2392                 }
2393                 break;
2394         }
2395
2396         switch (snap_mode) {
2397         case SnapNormal:
2398                 return;
2399
2400         case SnapMagnetic:
2401
2402                 if (presnap > start) {
2403                         if (presnap > (start + unit_to_frame(snap_threshold))) {
2404                                 start = presnap;
2405                         }
2406
2407                 } else if (presnap < start) {
2408                         if (presnap < (start - unit_to_frame(snap_threshold))) {
2409                                 start = presnap;
2410                         }
2411                 }
2412
2413         default:
2414                 return;
2415
2416         }
2417 }
2418
2419 void
2420 Editor::setup_toolbar ()
2421 {
2422         string pixmap_path;
2423
2424         const guint32 FUDGE = 18; // Combo's are stupid - they steal space from the entry for the button
2425
2426
2427         /* Mode Buttons (tool selection) */
2428
2429         vector<ToggleButton *> mouse_mode_buttons;
2430
2431         mouse_move_button.add (*(manage (new Image (::get_icon("tool_object")))));
2432         mouse_move_button.set_relief(Gtk::RELIEF_NONE);
2433         mouse_mode_buttons.push_back (&mouse_move_button);
2434         mouse_select_button.add (*(manage (new Image (get_xpm("tool_range.xpm")))));
2435         mouse_select_button.set_relief(Gtk::RELIEF_NONE);
2436         mouse_mode_buttons.push_back (&mouse_select_button);
2437         mouse_gain_button.add (*(manage (new Image (::get_icon("tool_gain")))));
2438         mouse_gain_button.set_relief(Gtk::RELIEF_NONE);
2439         mouse_mode_buttons.push_back (&mouse_gain_button);
2440         mouse_zoom_button.add (*(manage (new Image (::get_icon("tool_zoom")))));
2441         mouse_zoom_button.set_relief(Gtk::RELIEF_NONE);
2442         mouse_mode_buttons.push_back (&mouse_zoom_button);
2443         mouse_timefx_button.add (*(manage (new Image (::get_icon("tool_stretch")))));
2444         mouse_timefx_button.set_relief(Gtk::RELIEF_NONE);
2445         mouse_mode_buttons.push_back (&mouse_timefx_button);
2446         mouse_audition_button.add (*(manage (new Image (::get_icon("tool_audition")))));
2447         mouse_audition_button.set_relief(Gtk::RELIEF_NONE);
2448         mouse_mode_buttons.push_back (&mouse_audition_button);
2449
2450         mouse_mode_button_set = new GroupedButtons (mouse_mode_buttons);
2451
2452         HBox* mode_box = manage(new HBox);
2453         mode_box->set_border_width (2);
2454         mode_box->set_spacing(4);
2455         mouse_mode_button_box.set_spacing(1);
2456         mouse_mode_button_box.pack_start(mouse_move_button, true, true);
2457         mouse_mode_button_box.pack_start(mouse_select_button, true, true);
2458         mouse_mode_button_box.pack_start(mouse_zoom_button, true, true);
2459         mouse_mode_button_box.pack_start(mouse_gain_button, true, true);
2460         mouse_mode_button_box.pack_start(mouse_timefx_button, true, true);
2461         mouse_mode_button_box.pack_start(mouse_audition_button, true, true);
2462         mouse_mode_button_box.set_homogeneous(true);
2463
2464         vector<string> edit_mode_strings;
2465         edit_mode_strings.push_back (edit_mode_to_string (Splice));
2466         edit_mode_strings.push_back (edit_mode_to_string (Slide));
2467
2468         edit_mode_selector.set_name ("EditModeSelector");
2469         Gtkmm2ext::set_size_request_to_display_given_text (edit_mode_selector, longest (edit_mode_strings).c_str(), 2+FUDGE, 10);
2470         set_popdown_strings (edit_mode_selector, edit_mode_strings);
2471         edit_mode_selector.signal_changed().connect (mem_fun(*this, &Editor::edit_mode_selection_done));
2472
2473         mode_box->pack_start(edit_mode_selector);
2474         mode_box->pack_start(mouse_mode_button_box);
2475
2476         mouse_mode_tearoff = manage (new TearOff (*mode_box));
2477         mouse_mode_tearoff->set_name ("MouseModeBase");
2478
2479         mouse_mode_tearoff->Detach.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2480                                                   &mouse_mode_tearoff->tearoff_window()));
2481         mouse_mode_tearoff->Attach.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2482                                                   &mouse_mode_tearoff->tearoff_window(), 1));
2483         mouse_mode_tearoff->Hidden.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2484                                                   &mouse_mode_tearoff->tearoff_window()));
2485         mouse_mode_tearoff->Visible.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2486                                                    &mouse_mode_tearoff->tearoff_window(), 1));
2487
2488         mouse_move_button.set_name ("MouseModeButton");
2489         mouse_select_button.set_name ("MouseModeButton");
2490         mouse_gain_button.set_name ("MouseModeButton");
2491         mouse_zoom_button.set_name ("MouseModeButton");
2492         mouse_timefx_button.set_name ("MouseModeButton");
2493         mouse_audition_button.set_name ("MouseModeButton");
2494
2495         ARDOUR_UI::instance()->tooltips().set_tip (mouse_move_button, _("Select/Move Objects"));
2496         ARDOUR_UI::instance()->tooltips().set_tip (mouse_select_button, _("Select/Move Ranges"));
2497         ARDOUR_UI::instance()->tooltips().set_tip (mouse_gain_button, _("Draw Gain Automation"));
2498         ARDOUR_UI::instance()->tooltips().set_tip (mouse_zoom_button, _("Select Zoom Range"));
2499         ARDOUR_UI::instance()->tooltips().set_tip (mouse_timefx_button, _("Stretch/Shrink Regions"));
2500         ARDOUR_UI::instance()->tooltips().set_tip (mouse_audition_button, _("Listen to Specific Regions"));
2501
2502         mouse_move_button.unset_flags (CAN_FOCUS);
2503         mouse_select_button.unset_flags (CAN_FOCUS);
2504         mouse_gain_button.unset_flags (CAN_FOCUS);
2505         mouse_zoom_button.unset_flags (CAN_FOCUS);
2506         mouse_timefx_button.unset_flags (CAN_FOCUS);
2507         mouse_audition_button.unset_flags (CAN_FOCUS);
2508
2509         mouse_select_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseRange));
2510         mouse_select_button.signal_button_release_event().connect (mem_fun(*this, &Editor::mouse_select_button_release));
2511
2512         mouse_move_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseObject));
2513         mouse_gain_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseGain));
2514         mouse_zoom_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseZoom));
2515         mouse_timefx_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseTimeFX));
2516         mouse_audition_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseAudition));
2517
2518         // mouse_move_button.set_active (true);
2519
2520
2521         /* Zoom */
2522
2523         zoom_box.set_spacing (1);
2524         zoom_box.set_border_width (2);
2525
2526         zoom_in_button.set_name ("EditorTimeButton");
2527         zoom_in_button.set_size_request(-1,16);
2528         zoom_in_button.add (*(manage (new Image (::get_icon("zoom_in")))));
2529         zoom_in_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::temporal_zoom_step), false));
2530         ARDOUR_UI::instance()->tooltips().set_tip (zoom_in_button, _("Zoom In"));
2531
2532         zoom_out_button.set_name ("EditorTimeButton");
2533         zoom_out_button.set_size_request(-1,16);
2534         zoom_out_button.add (*(manage (new Image (::get_icon("zoom_out")))));
2535         zoom_out_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::temporal_zoom_step), true));
2536         ARDOUR_UI::instance()->tooltips().set_tip (zoom_out_button, _("Zoom Out"));
2537
2538         zoom_out_full_button.set_name ("EditorTimeButton");
2539         zoom_out_full_button.set_size_request(-1,16);
2540         zoom_out_full_button.add (*(manage (new Image (::get_icon("zoom_full")))));
2541         zoom_out_full_button.signal_clicked().connect (mem_fun(*this, &Editor::temporal_zoom_session));
2542         ARDOUR_UI::instance()->tooltips().set_tip (zoom_out_full_button, _("Zoom to Session"));
2543
2544         zoom_focus_selector.set_name ("ZoomFocusSelector");
2545         Gtkmm2ext::set_size_request_to_display_given_text (zoom_focus_selector, "Edit Cursor", FUDGE, 0);
2546         set_popdown_strings (zoom_focus_selector, zoom_focus_strings);
2547         zoom_focus_selector.signal_changed().connect (mem_fun(*this, &Editor::zoom_focus_selection_done));
2548         ARDOUR_UI::instance()->tooltips().set_tip (zoom_focus_selector, _("Zoom focus"));
2549
2550         zoom_box.pack_start (zoom_focus_selector, true, true);
2551         zoom_box.pack_start (zoom_out_button, false, false);
2552         zoom_box.pack_start (zoom_in_button, false, false);
2553         zoom_box.pack_start (zoom_out_full_button, false, false);
2554
2555         /* Edit Cursor / Snap */
2556
2557         snap_box.set_spacing (1);
2558         snap_box.set_border_width (2);
2559
2560         snap_type_selector.set_name ("SnapTypeSelector");
2561         Gtkmm2ext::set_size_request_to_display_given_text (snap_type_selector, "SMPTE Seconds", 2+FUDGE, 10);
2562         set_popdown_strings (snap_type_selector, snap_type_strings);
2563         snap_type_selector.signal_changed().connect (mem_fun(*this, &Editor::snap_type_selection_done));
2564         ARDOUR_UI::instance()->tooltips().set_tip (snap_type_selector, _("Unit to snap cursors and ranges to"));
2565
2566         snap_mode_selector.set_name ("SnapModeSelector");
2567         Gtkmm2ext::set_size_request_to_display_given_text (snap_mode_selector, "Magnetic Snap", 2+FUDGE, 10);
2568         set_popdown_strings (snap_mode_selector, snap_mode_strings);
2569         snap_mode_selector.signal_changed().connect (mem_fun(*this, &Editor::snap_mode_selection_done));
2570
2571         snap_box.pack_start (edit_cursor_clock, false, false);
2572         snap_box.pack_start (snap_mode_selector, false, false);
2573         snap_box.pack_start (snap_type_selector, false, false);
2574
2575
2576         /* Nudge */
2577
2578         HBox *nudge_box = manage (new HBox);
2579         nudge_box->set_spacing(1);
2580         nudge_box->set_border_width (2);
2581
2582         nudge_forward_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::nudge_forward), false));
2583         nudge_backward_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::nudge_backward), false));
2584
2585         nudge_box->pack_start (nudge_backward_button, false, false);
2586         nudge_box->pack_start (nudge_forward_button, false, false);
2587         nudge_box->pack_start (nudge_clock, false, false);
2588
2589
2590         /* Pack everything in... */
2591
2592         HBox* hbox = new HBox;
2593         hbox->set_spacing(10);
2594
2595         tools_tearoff = new TearOff (*hbox);
2596         tools_tearoff->set_name ("MouseModeBase");
2597
2598         tools_tearoff->Detach.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2599                                              &tools_tearoff->tearoff_window()));
2600         tools_tearoff->Attach.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2601                                              &tools_tearoff->tearoff_window(), 0));
2602         tools_tearoff->Hidden.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2603                                              &tools_tearoff->tearoff_window()));
2604         tools_tearoff->Visible.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2605                                               &tools_tearoff->tearoff_window(), 0));
2606
2607         toolbar_hbox.set_spacing (10);
2608         toolbar_hbox.set_border_width (1);
2609
2610         toolbar_hbox.pack_start (*mouse_mode_tearoff, false, false);
2611         toolbar_hbox.pack_start (*tools_tearoff, false, false);
2612
2613
2614         hbox->pack_start (snap_box, false, false);
2615         // hbox->pack_start (zoom_box, false, false);
2616         hbox->pack_start (*nudge_box, false, false);
2617
2618         hbox->show_all ();
2619
2620         toolbar_base.set_name ("ToolBarBase");
2621         toolbar_base.add (toolbar_hbox);
2622
2623         toolbar_frame.set_shadow_type (SHADOW_OUT);
2624         toolbar_frame.set_name ("BaseFrame");
2625         toolbar_frame.add (toolbar_base);
2626 }
2627
2628 int
2629 Editor::convert_drop_to_paths (vector<ustring>& paths,
2630                                const RefPtr<Gdk::DragContext>& context,
2631                                gint                x,
2632                                gint                y,
2633                                const SelectionData& data,
2634                                guint               info,
2635                                guint               time)
2636
2637 {
2638         if (session == 0) {
2639                 return -1;
2640         }
2641
2642         vector<ustring> uris = data.get_uris();
2643
2644         if (uris.empty()) {
2645
2646                 /* This is seriously fucked up. Nautilus doesn't say that its URI lists
2647                    are actually URI lists. So do it by hand.
2648                 */
2649
2650                 if (data.get_target() != "text/plain") {
2651                         return -1;
2652                 }
2653
2654                 /* Parse the "uri-list" format that Nautilus provides,
2655                    where each pathname is delimited by \r\n
2656                 */
2657
2658                 const char* p = data.get_text().c_str();
2659                 const char* q;
2660
2661                 while (p)
2662                 {
2663                         if (*p != '#')
2664                         {
2665                                 while (g_ascii_isspace (*p))
2666                                         p++;
2667
2668                                 q = p;
2669                                 while (*q && (*q != '\n') && (*q != '\r'))
2670                                         q++;
2671
2672                                 if (q > p)
2673                                 {
2674                                         q--;
2675                                         while (q > p && g_ascii_isspace (*q))
2676                                                 q--;
2677
2678                                         if (q > p)
2679                                         {
2680                                                 uris.push_back (ustring (p, q - p + 1));
2681                                         }
2682                                 }
2683                         }
2684                         p = strchr (p, '\n');
2685                         if (p)
2686                                 p++;
2687                 }
2688
2689                 if (uris.empty()) {
2690                         return -1;
2691                 }
2692         }
2693
2694         for (vector<ustring>::iterator i = uris.begin(); i != uris.end(); ++i) {
2695                 if ((*i).substr (0,7) == "file://") {
2696                         string p = *i;
2697                         PBD::url_decode (p);
2698                         paths.push_back (p.substr (7));
2699                 }
2700         }
2701
2702         return 0;
2703 }
2704
2705 void
2706 Editor::new_tempo_section ()
2707
2708 {
2709 }
2710
2711 void
2712 Editor::map_transport_state ()
2713 {
2714         ENSURE_GUI_THREAD (mem_fun(*this, &Editor::map_transport_state));
2715
2716         if (session->transport_stopped()) {
2717                 have_pending_keyboard_selection = false;
2718         }
2719 }
2720
2721 /* UNDO/REDO */
2722
2723 Editor::State::State ()
2724 {
2725         selection = new Selection;
2726 }
2727
2728 Editor::State::~State ()
2729 {
2730         delete selection;
2731 }
2732
2733 UndoAction
2734 Editor::get_memento () const
2735 {
2736         State *state = new State;
2737
2738         store_state (*state);
2739         return bind (mem_fun (*(const_cast<Editor*>(this)), &Editor::restore_state), state);
2740 }
2741
2742 void
2743 Editor::store_state (State& state) const
2744 {
2745         *state.selection = *selection;
2746 }
2747
2748 void
2749 Editor::restore_state (State *state)
2750 {
2751         if (*selection == *state->selection) {
2752                 return;
2753         }
2754
2755         *selection = *state->selection;
2756         time_selection_changed ();
2757         region_selection_changed ();
2758
2759         /* XXX other selection change handlers? */
2760 }
2761
2762 void
2763 Editor::begin_reversible_command (string name)
2764 {
2765         if (session) {
2766                 before = &get_state();
2767                 session->begin_reversible_command (name);
2768         }
2769 }
2770
2771 void
2772 Editor::commit_reversible_command ()
2773 {
2774         if (session) {
2775                 session->commit_reversible_command (new MementoCommand<Editor>(*this, before, &get_state()));
2776         }
2777 }
2778
2779 void
2780 Editor::set_edit_group_solo (Route& route, bool yn)
2781 {
2782         RouteGroup *edit_group;
2783
2784         if ((edit_group = route.edit_group()) != 0) {
2785                 edit_group->apply (&Route::set_solo, yn, this);
2786         } else {
2787                 route.set_solo (yn, this);
2788         }
2789 }
2790
2791 void
2792 Editor::set_edit_group_mute (Route& route, bool yn)
2793 {
2794         RouteGroup *edit_group = 0;
2795
2796         if ((edit_group == route.edit_group()) != 0) {
2797                 edit_group->apply (&Route::set_mute, yn, this);
2798         } else {
2799                 route.set_mute (yn, this);
2800         }
2801 }
2802
2803 void
2804 Editor::history_changed ()
2805 {
2806         string label;
2807
2808         if (undo_action && session) {
2809                 if (session->undo_depth() == 0) {
2810                         label = _("Undo");
2811                 } else {
2812                         label = string_compose(_("Undo (%1)"), session->next_undo());
2813                 }
2814                 undo_action->property_label() = label;
2815         }
2816
2817         if (redo_action && session) {
2818                 if (session->redo_depth() == 0) {
2819                         label = _("Redo");
2820                 } else {
2821                         label = string_compose(_("Redo (%1)"), session->next_redo());
2822                 }
2823                 redo_action->property_label() = label;
2824         }
2825 }
2826
2827 void
2828 Editor::duplicate_dialog (bool dup_region)
2829 {
2830         if (dup_region) {
2831                 if (clicked_regionview == 0) {
2832                         return;
2833                 }
2834         } else {
2835                 if (selection->time.length() == 0) {
2836                         return;
2837                 }
2838         }
2839
2840         ArdourDialog win ("duplicate dialog");
2841         Entry  entry;
2842         Label  label (_("Duplicate how many times?"));
2843
2844         win.get_vbox()->pack_start (label);
2845         win.add_action_widget (entry, RESPONSE_ACCEPT);
2846         win.add_button (Stock::OK, RESPONSE_ACCEPT);
2847         win.add_button (Stock::CANCEL, RESPONSE_CANCEL);
2848
2849         win.set_position (WIN_POS_MOUSE);
2850
2851         entry.set_text ("1");
2852         set_size_request_to_display_given_text (entry, X_("12345678"), 20, 15);
2853         entry.select_region (0, -1);
2854         entry.grab_focus ();
2855
2856
2857         switch (win.run ()) {
2858         case RESPONSE_ACCEPT:
2859                 break;
2860         default:
2861                 return;
2862         }
2863
2864         string text = entry.get_text();
2865         float times;
2866
2867         if (sscanf (text.c_str(), "%f", &times) == 1) {
2868                 if (dup_region) {
2869                         RegionSelection regions;
2870                         regions.add (clicked_regionview);
2871                         duplicate_some_regions (regions, times);
2872                 } else {
2873                         duplicate_selection (times);
2874                 }
2875         }
2876 }
2877
2878 void
2879 Editor::show_verbose_canvas_cursor ()
2880 {
2881         verbose_canvas_cursor->raise_to_top();
2882         verbose_canvas_cursor->show();
2883         verbose_cursor_visible = true;
2884 }
2885
2886 void
2887 Editor::hide_verbose_canvas_cursor ()
2888 {
2889         verbose_canvas_cursor->hide();
2890         verbose_cursor_visible = false;
2891 }
2892
2893 void
2894 Editor::set_verbose_canvas_cursor (const string & txt, double x, double y)
2895 {
2896         /* XXX get origin of canvas relative to root window,
2897            add x and y and check compared to gdk_screen_{width,height}
2898         */
2899         verbose_canvas_cursor->property_text() = txt.c_str();
2900         verbose_canvas_cursor->property_x() = x;
2901         verbose_canvas_cursor->property_y() = y;
2902 }
2903
2904 void
2905 Editor::set_verbose_canvas_cursor_text (const string & txt)
2906 {
2907         verbose_canvas_cursor->property_text() = txt.c_str();
2908 }
2909
2910 void
2911 Editor::edit_mode_selection_done ()
2912 {
2913         if (session == 0) {
2914                 return;
2915         }
2916
2917         string choice = edit_mode_selector.get_active_text();
2918         EditMode mode = Slide;
2919
2920         if (choice == _("Splice Edit")) {
2921                 mode = Splice;
2922         } else if (choice == _("Slide Edit")) {
2923                 mode = Slide;
2924         }
2925
2926         Config->set_edit_mode (mode);
2927 }
2928
2929 void
2930 Editor::snap_type_selection_done ()
2931 {
2932         string choice = snap_type_selector.get_active_text();
2933         SnapType snaptype = SnapToFrame;
2934
2935         if (choice == _("Beats/3")) {
2936                 snaptype = SnapToAThirdBeat;
2937         } else if (choice == _("Beats/4")) {
2938                 snaptype = SnapToAQuarterBeat;
2939         } else if (choice == _("Beats/8")) {
2940                 snaptype = SnapToAEighthBeat;
2941         } else if (choice == _("Beats/16")) {
2942                 snaptype = SnapToASixteenthBeat;
2943         } else if (choice == _("Beats/32")) {
2944                 snaptype = SnapToAThirtysecondBeat;
2945         } else if (choice == _("Beats")) {
2946                 snaptype = SnapToBeat;
2947         } else if (choice == _("Bars")) {
2948                 snaptype = SnapToBar;
2949         } else if (choice == _("Marks")) {
2950                 snaptype = SnapToMark;
2951         } else if (choice == _("Edit Cursor")) {
2952                 snaptype = SnapToEditCursor;
2953         } else if (choice == _("Region starts")) {
2954                 snaptype = SnapToRegionStart;
2955         } else if (choice == _("Region ends")) {
2956                 snaptype = SnapToRegionEnd;
2957         } else if (choice == _("Region bounds")) {
2958                 snaptype = SnapToRegionBoundary;
2959         } else if (choice == _("Region syncs")) {
2960                 snaptype = SnapToRegionSync;
2961         } else if (choice == _("CD Frames")) {
2962                 snaptype = SnapToCDFrame;
2963         } else if (choice == _("SMPTE Frames")) {
2964                 snaptype = SnapToSMPTEFrame;
2965         } else if (choice == _("SMPTE Seconds")) {
2966                 snaptype = SnapToSMPTESeconds;
2967         } else if (choice == _("SMPTE Minutes")) {
2968                 snaptype = SnapToSMPTEMinutes;
2969         } else if (choice == _("Seconds")) {
2970                 snaptype = SnapToSeconds;
2971         } else if (choice == _("Minutes")) {
2972                 snaptype = SnapToMinutes;
2973         } else if (choice == _("None")) {
2974                 snaptype = SnapToFrame;
2975         }
2976
2977         RefPtr<RadioAction> ract = snap_type_action (snaptype);
2978         if (ract) {
2979                 ract->set_active ();
2980         }
2981 }
2982
2983 void
2984 Editor::snap_mode_selection_done ()
2985 {
2986         string choice = snap_mode_selector.get_active_text();
2987         SnapMode mode = SnapNormal;
2988
2989         if (choice == _("Normal")) {
2990                 mode = SnapNormal;
2991         } else if (choice == _("Magnetic")) {
2992                 mode = SnapMagnetic;
2993         }
2994
2995         RefPtr<RadioAction> ract = snap_mode_action (mode);
2996
2997         if (ract) {
2998                 ract->set_active (true);
2999         }
3000 }
3001
3002 void
3003 Editor::zoom_focus_selection_done ()
3004 {
3005         string choice = zoom_focus_selector.get_active_text();
3006         ZoomFocus focus_type = ZoomFocusLeft;
3007
3008         if (choice == _("Left")) {
3009                 focus_type = ZoomFocusLeft;
3010         } else if (choice == _("Right")) {
3011                 focus_type = ZoomFocusRight;
3012         } else if (choice == _("Center")) {
3013                 focus_type = ZoomFocusCenter;
3014         } else if (choice == _("Playhead")) {
3015                 focus_type = ZoomFocusPlayhead;
3016         } else if (choice == _("Edit Cursor")) {
3017                 focus_type = ZoomFocusEdit;
3018         }
3019
3020         RefPtr<RadioAction> ract = zoom_focus_action (focus_type);
3021
3022         if (ract) {
3023                 ract->set_active ();
3024         }
3025 }
3026
3027 gint
3028 Editor::edit_controls_button_release (GdkEventButton* ev)
3029 {
3030         if (Keyboard::is_context_menu_event (ev)) {
3031                 ARDOUR_UI::instance()->add_route (this);
3032         }
3033         return TRUE;
3034 }
3035
3036 gint
3037 Editor::mouse_select_button_release (GdkEventButton* ev)
3038 {
3039         /* this handles just right-clicks */
3040
3041         if (ev->button != 3) {
3042                 return false;
3043         }
3044
3045         return true;
3046 }
3047
3048 Editor::TrackViewList *
3049 Editor::get_valid_views (TimeAxisView* track, RouteGroup* group)
3050 {
3051         TrackViewList *v;
3052         TrackViewList::iterator i;
3053
3054         v = new TrackViewList;
3055
3056         if (track == 0 && group == 0) {
3057
3058                 /* all views */
3059
3060                 for (i = track_views.begin(); i != track_views.end (); ++i) {
3061                         v->push_back (*i);
3062                 }
3063
3064         } else if (track != 0 && group == 0 || (track != 0 && group != 0 && !group->is_active())) {
3065
3066                 /* just the view for this track
3067                  */
3068
3069                 v->push_back (track);
3070
3071         } else {
3072
3073                 /* views for all tracks in the edit group */
3074
3075                 for (i  = track_views.begin(); i != track_views.end (); ++i) {
3076
3077                         if (group == 0 || (*i)->edit_group() == group) {
3078                                 v->push_back (*i);
3079                         }
3080                 }
3081         }
3082
3083         return v;
3084 }
3085
3086 void
3087 Editor::set_zoom_focus (ZoomFocus f)
3088 {
3089         string str = zoom_focus_strings[(int)f];
3090
3091         if (str != zoom_focus_selector.get_active_text()) {
3092                 zoom_focus_selector.set_active_text (str);
3093         }
3094
3095         if (zoom_focus != f) {
3096                 zoom_focus = f;
3097
3098                 ZoomFocusChanged (); /* EMIT_SIGNAL */
3099
3100                 instant_save ();
3101         }
3102 }
3103
3104 void
3105 Editor::ensure_float (Window& win)
3106 {
3107         win.set_transient_for (*this);
3108 }
3109
3110 void
3111 Editor::pane_allocation_handler (Allocation &alloc, Paned* which)
3112 {
3113         /* recover or initialize pane positions. do this here rather than earlier because
3114            we don't want the positions to change the child allocations, which they seem to do.
3115          */
3116
3117         int pos;
3118         XMLProperty* prop;
3119         char buf[32];
3120         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
3121         int width, height;
3122         static int32_t done;
3123         XMLNode* geometry;
3124
3125         if ((geometry = find_named_node (*node, "geometry")) == 0) {
3126                 width = default_width;
3127                 height = default_height;
3128         } else {
3129                 width = atoi(geometry->property("x_size")->value());
3130                 height = atoi(geometry->property("y_size")->value());
3131         }
3132
3133         if (which == static_cast<Paned*> (&edit_pane)) {
3134
3135                 if (done) {
3136                         return;
3137                 }
3138
3139                 if (!geometry || (prop = geometry->property ("edit_pane_pos")) == 0) {
3140                         /* initial allocation is 90% to canvas, 10% to notebook */
3141                         pos = (int) floor (alloc.get_width() * 0.90f);
3142                         snprintf (buf, sizeof(buf), "%d", pos);
3143                 } else {
3144                         pos = atoi (prop->value());
3145                 }
3146
3147                 if ((done = GTK_WIDGET(edit_pane.gobj())->allocation.width > pos)) {
3148                         edit_pane.set_position (pos);
3149                         pre_maximal_pane_position = pos;
3150                 }
3151         }
3152 }
3153
3154 void
3155 Editor::detach_tearoff (Box* b, Window* w)
3156 {
3157         if (tools_tearoff->torn_off() &&
3158             mouse_mode_tearoff->torn_off()) {
3159                 top_hbox.remove (toolbar_frame);
3160         }
3161 }
3162
3163 void
3164 Editor::reattach_tearoff (Box* b, Window* w, int32_t n)
3165 {
3166         if (toolbar_frame.get_parent() == 0) {
3167                 top_hbox.pack_end (toolbar_frame);
3168         }
3169 }
3170
3171 void
3172 Editor::set_show_measures (bool yn)
3173 {
3174         if (_show_measures != yn) {
3175                 hide_measures ();
3176
3177                 if ((_show_measures = yn) == true) {
3178                         draw_measures ();
3179                 }
3180                 instant_save ();
3181         }
3182 }
3183
3184 void
3185 Editor::toggle_follow_playhead ()
3186 {
3187         RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
3188         if (act) {
3189                 RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
3190                 set_follow_playhead (tact->get_active());
3191         }
3192 }
3193
3194 void
3195 Editor::set_follow_playhead (bool yn)
3196 {
3197         if (_follow_playhead != yn) {
3198                 if ((_follow_playhead = yn) == true) {
3199                         /* catch up */
3200                         update_current_screen ();
3201                 }
3202                 instant_save ();
3203         }
3204 }
3205
3206 void
3207 Editor::toggle_xfade_active (boost::weak_ptr<Crossfade> wxfade)
3208 {
3209         boost::shared_ptr<Crossfade> xfade (wxfade.lock());
3210         if (xfade) {
3211                 xfade->set_active (!xfade->active());
3212         }
3213 }
3214
3215 void
3216 Editor::toggle_xfade_length (boost::weak_ptr<Crossfade> wxfade)
3217 {
3218         boost::shared_ptr<Crossfade> xfade (wxfade.lock());
3219         if (xfade) {
3220                 xfade->set_follow_overlap (!xfade->following_overlap());
3221         }
3222 }
3223
3224 void
3225 Editor::edit_xfade (boost::weak_ptr<Crossfade> wxfade)
3226 {
3227         boost::shared_ptr<Crossfade> xfade (wxfade.lock());
3228
3229         if (!xfade) {
3230                 return;
3231         }
3232
3233         CrossfadeEditor cew (*session, xfade, xfade->fade_in().get_min_y(), 1.0);
3234
3235         ensure_float (cew);
3236
3237         switch (cew.run ()) {
3238         case RESPONSE_ACCEPT:
3239                 break;
3240         default:
3241                 return;
3242         }
3243
3244         cew.apply ();
3245         xfade->StateChanged (Change (~0));
3246 }
3247
3248 PlaylistSelector&
3249 Editor::playlist_selector () const
3250 {
3251         return *_playlist_selector;
3252 }
3253
3254 nframes_t
3255 Editor::get_nudge_distance (nframes_t pos, nframes_t& next)
3256 {
3257         nframes_t ret;
3258
3259         ret = nudge_clock.current_duration (pos);
3260         next = ret + 1; /* XXXX fix me */
3261
3262         return ret;
3263 }
3264
3265 void
3266 Editor::end_location_changed (Location* location)
3267 {
3268         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::end_location_changed), location));
3269         reset_scrolling_region ();
3270 }
3271
3272 int
3273 Editor::playlist_deletion_dialog (boost::shared_ptr<Playlist> pl)
3274 {
3275         ArdourDialog dialog ("playlist deletion dialog");
3276         Label  label (string_compose (_("Playlist %1 is currently unused.\n"
3277                                         "If left alone, no audio files used by it will be cleaned.\n"
3278                                         "If deleted, audio files used by it alone by will cleaned."),
3279                                       pl->name()));
3280
3281         dialog.set_position (WIN_POS_CENTER);
3282         dialog.get_vbox()->pack_start (label);
3283
3284         label.show ();
3285
3286         dialog.add_button (_("Delete playlist"), RESPONSE_ACCEPT);
3287         dialog.add_button (_("Keep playlist"), RESPONSE_CANCEL);
3288         dialog.add_button (_("Cancel"), RESPONSE_CANCEL);
3289
3290         switch (dialog.run ()) {
3291         case RESPONSE_ACCEPT:
3292                 /* delete the playlist */
3293                 return 0;
3294                 break;
3295
3296         case RESPONSE_REJECT:
3297                 /* keep the playlist */
3298                 return 1;
3299                 break;
3300
3301         default:
3302                 break;
3303         }
3304
3305         return -1;
3306 }
3307
3308 bool
3309 Editor::audio_region_selection_covers (nframes_t where)
3310 {
3311         for (RegionSelection::iterator a = selection->regions.begin(); a != selection->regions.end(); ++a) {
3312                 if ((*a)->region()->covers (where)) {
3313                         return true;
3314                 }
3315         }
3316
3317         return false;
3318 }
3319
3320 void
3321 Editor::prepare_for_cleanup ()
3322 {
3323         cut_buffer->clear_regions ();
3324         cut_buffer->clear_playlists ();
3325
3326         selection->clear_regions ();
3327         selection->clear_playlists ();
3328 }
3329
3330 Location*
3331 Editor::transport_loop_location()
3332 {
3333         if (session) {
3334                 return session->locations()->auto_loop_location();
3335         } else {
3336                 return 0;
3337         }
3338 }
3339
3340 Location*
3341 Editor::transport_punch_location()
3342 {
3343         if (session) {
3344                 return session->locations()->auto_punch_location();
3345         } else {
3346                 return 0;
3347         }
3348 }
3349
3350 bool
3351 Editor::control_layout_scroll (GdkEventScroll* ev)
3352 {
3353         switch (ev->direction) {
3354         case GDK_SCROLL_UP:
3355                 scroll_tracks_up_line ();
3356                 return true;
3357                 break;
3358
3359         case GDK_SCROLL_DOWN:
3360                 scroll_tracks_down_line ();
3361                 return true;
3362
3363         default:
3364                 /* no left/right handling yet */
3365                 break;
3366         }
3367
3368         return false;
3369 }
3370
3371 void
3372 Editor::snapshot_display_selection_changed ()
3373 {
3374         if (snapshot_display.get_selection()->count_selected_rows() > 0) {
3375
3376                 TreeModel::iterator i = snapshot_display.get_selection()->get_selected();
3377
3378                 Glib::ustring snap_name = (*i)[snapshot_display_columns.real_name];
3379
3380                 if (snap_name.length() == 0) {
3381                         return;
3382                 }
3383
3384                 if (session->snap_name() == snap_name) {
3385                         return;
3386                 }
3387
3388                 ARDOUR_UI::instance()->load_session(session->path(), string (snap_name));
3389         }
3390 }
3391
3392 bool
3393 Editor::snapshot_display_button_press (GdkEventButton* ev)
3394 {
3395          return false;
3396 }
3397
3398 void
3399 Editor::redisplay_snapshots ()
3400 {
3401         if (session == 0) {
3402                 return;
3403         }
3404
3405         vector<string*>* states;
3406
3407         if ((states = session->possible_states()) == 0) {
3408                 return;
3409         }
3410
3411         snapshot_display_model->clear ();
3412
3413         for (vector<string*>::iterator i = states->begin(); i != states->end(); ++i) {
3414                 string statename = *(*i);
3415                 TreeModel::Row row = *(snapshot_display_model->append());
3416
3417                 /* this lingers on in case we ever want to change the visible
3418                    name of the snapshot.
3419                 */
3420
3421                 string display_name;
3422                 display_name = statename;
3423
3424                 if (statename == session->snap_name()) {
3425                         snapshot_display.get_selection()->select(row);
3426                 }
3427
3428                 row[snapshot_display_columns.visible_name] = display_name;
3429                 row[snapshot_display_columns.real_name] = statename;
3430         }
3431
3432         delete states;
3433 }
3434
3435 void
3436 Editor::session_state_saved (string snap_name)
3437 {
3438         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::session_state_saved), snap_name));
3439         redisplay_snapshots ();
3440 }
3441
3442 void
3443 Editor::maximise_editing_space ()
3444 {
3445         initial_ruler_update_required = true;
3446
3447         mouse_mode_tearoff->set_visible (false);
3448         tools_tearoff->set_visible (false);
3449
3450         pre_maximal_pane_position = edit_pane.get_position();
3451         pre_maximal_editor_width = this->get_width();
3452
3453         if(post_maximal_pane_position == 0) {
3454                 post_maximal_pane_position = edit_pane.get_width();
3455         }
3456
3457
3458         fullscreen();
3459         if(post_maximal_editor_width) {
3460                 edit_pane.set_position (post_maximal_pane_position -
3461                         abs(post_maximal_editor_width - pre_maximal_editor_width));
3462         } else {
3463                 edit_pane.set_position (post_maximal_pane_position);
3464         }
3465 }
3466
3467 void
3468 Editor::restore_editing_space ()
3469 {
3470         initial_ruler_update_required = true;
3471
3472         // user changed width of pane during fullscreen
3473         if(post_maximal_pane_position != edit_pane.get_position()) {
3474                 post_maximal_pane_position = edit_pane.get_position();
3475         }
3476
3477         unfullscreen();
3478
3479         mouse_mode_tearoff->set_visible (true);
3480         tools_tearoff->set_visible (true);
3481         post_maximal_editor_width = this->get_width();
3482
3483
3484         edit_pane.set_position (
3485                 pre_maximal_pane_position + abs(this->get_width() - pre_maximal_editor_width)
3486         );
3487 }
3488
3489 void
3490 Editor::new_playlists ()
3491 {
3492         begin_reversible_command (_("new playlists"));
3493         mapover_audio_tracks (mem_fun (*this, &Editor::mapped_use_new_playlist));
3494         commit_reversible_command ();
3495 }
3496
3497 void
3498 Editor::copy_playlists ()
3499 {
3500         begin_reversible_command (_("copy playlists"));
3501         mapover_audio_tracks (mem_fun (*this, &Editor::mapped_use_copy_playlist));
3502         commit_reversible_command ();
3503 }
3504
3505 void
3506 Editor::clear_playlists ()
3507 {
3508         begin_reversible_command (_("clear playlists"));
3509         mapover_audio_tracks (mem_fun (*this, &Editor::mapped_clear_playlist));
3510         commit_reversible_command ();
3511 }
3512
3513 void
3514 Editor::mapped_use_new_playlist (AudioTimeAxisView& atv, uint32_t sz)
3515 {
3516         atv.use_new_playlist (sz > 1 ? false : true);
3517 }
3518
3519 void
3520 Editor::mapped_use_copy_playlist (AudioTimeAxisView& atv, uint32_t sz)
3521 {
3522         atv.use_copy_playlist (sz > 1 ? false : true);
3523 }
3524
3525 void
3526 Editor::mapped_clear_playlist (AudioTimeAxisView& atv, uint32_t sz)
3527 {
3528         atv.clear_playlist ();
3529 }
3530
3531 bool
3532 Editor::on_key_press_event (GdkEventKey* ev)
3533 {
3534         return key_press_focus_accelerator_handler (*this, ev);
3535 }
3536
3537 void
3538 Editor::reset_x_origin (nframes_t frame)
3539 {
3540         queue_visual_change (frame);
3541 }
3542
3543 void
3544 Editor::reset_zoom (double fpu)
3545 {
3546         queue_visual_change (fpu);
3547 }
3548
3549 void
3550 Editor::reposition_and_zoom (nframes_t frame, double fpu)
3551 {
3552         reset_x_origin (frame);
3553         reset_zoom (fpu);
3554 }
3555
3556 void
3557 Editor::set_frames_per_unit (double fpu)
3558 {
3559         nframes_t frames;
3560
3561         /* this is the core function that controls the zoom level of the canvas. it is called
3562            whenever one or more calls are made to reset_zoom(). it executes in an idle handler.
3563         */
3564
3565         if (fpu == frames_per_unit) {
3566                 return;
3567         }
3568
3569         if (fpu < 2.0) {
3570                 fpu = 2.0;
3571         }
3572
3573         // convert fpu to frame count
3574
3575         frames = (nframes_t) floor (fpu * canvas_width);
3576
3577         /* don't allow zooms that fit more than the maximum number
3578            of frames into an 800 pixel wide space.
3579         */
3580
3581         if (max_frames / fpu < 800.0) {
3582                 return;
3583         }
3584
3585         if (fpu == frames_per_unit) {
3586                 return;
3587         }
3588
3589         frames_per_unit = fpu;
3590
3591         if (frames != zoom_range_clock.current_duration()) {
3592                 zoom_range_clock.set (frames);
3593         }
3594
3595         if (mouse_mode == MouseRange && selection->time.start () != selection->time.end_frame ()) {
3596                 if (!selection->tracks.empty()) {
3597                         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
3598                                 (*i)->reshow_selection (selection->time);
3599                         }
3600                 } else {
3601                         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3602                                 (*i)->reshow_selection (selection->time);
3603                         }
3604                 }
3605         }
3606
3607         ZoomChanged (); /* EMIT_SIGNAL */
3608
3609         reset_hscrollbar_stepping ();
3610         reset_scrolling_region ();
3611
3612         if (edit_cursor) edit_cursor->set_position (edit_cursor->current_frame);
3613         if (playhead_cursor) playhead_cursor->set_position (playhead_cursor->current_frame);
3614
3615         instant_save ();
3616 }
3617
3618 void
3619 Editor::queue_visual_change (nframes_t where)
3620 {
3621         pending_visual_change.pending = VisualChange::Type (pending_visual_change.pending | VisualChange::TimeOrigin);
3622         pending_visual_change.time_origin = where;
3623
3624         if (pending_visual_change.idle_handler_id < 0) {
3625                 pending_visual_change.idle_handler_id = g_idle_add (_idle_visual_changer, this);
3626         }
3627 }
3628
3629 void
3630 Editor::queue_visual_change (double fpu)
3631 {
3632         pending_visual_change.pending = VisualChange::Type (pending_visual_change.pending | VisualChange::ZoomLevel);
3633         pending_visual_change.frames_per_unit = fpu;
3634
3635         if (pending_visual_change.idle_handler_id < 0) {
3636                 pending_visual_change.idle_handler_id = g_idle_add_full (G_PRIORITY_HIGH_IDLE, _idle_visual_changer, this, 0);
3637         }
3638 }
3639
3640 int
3641 Editor::_idle_visual_changer (void* arg)
3642 {
3643         return static_cast<Editor*>(arg)->idle_visual_changer ();
3644 }
3645
3646 int
3647 Editor::idle_visual_changer ()
3648 {
3649         VisualChange::Type p = pending_visual_change.pending;
3650
3651         pending_visual_change.pending = (VisualChange::Type) 0;
3652         pending_visual_change.idle_handler_id = -1;
3653
3654         if (p & VisualChange::ZoomLevel) {
3655                 set_frames_per_unit (pending_visual_change.frames_per_unit);
3656         }
3657
3658         if (p & VisualChange::TimeOrigin) {
3659                 if (pending_visual_change.time_origin != leftmost_frame) {
3660                         horizontal_adjustment.set_value (pending_visual_change.time_origin/frames_per_unit);
3661                         /* the signal handler will do the rest */
3662                 } else {
3663                         update_fixed_rulers();
3664                         tempo_map_changed (Change (0), true);
3665                 }
3666         }
3667
3668         return 0;
3669 }
3670
3671 struct EditorOrderTimeAxisSorter {
3672     bool operator() (const TimeAxisView* a, const TimeAxisView* b) const {
3673             return a->order < b->order;
3674     }
3675 };
3676
3677 void
3678 Editor::sort_track_selection ()
3679 {
3680         EditorOrderTimeAxisSorter cmp;
3681         selection->tracks.sort (cmp);
3682 }
3683
3684 nframes_t
3685 Editor::edit_cursor_position(bool sync)
3686 {
3687         if (sync && edit_cursor->current_frame != edit_cursor_clock.current_time()) {
3688                 edit_cursor_clock.set(edit_cursor->current_frame, true);
3689         }
3690
3691         return edit_cursor->current_frame;
3692 }