gtk2_ardour/editor.cc

   1 /*
   2     Copyright (C) 2000-2006 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18     $Id$
  19 */
  20
  21 #include <unistd.h>
  22 #include <cstdlib>
  23 #include <cmath>
  24 #include <string>
  25 #include <algorithm>
  26
  27 #include <sigc++/bind.h>
  28
  29 #include <pbd/convert.h>
  30 #include <pbd/error.h>
  31 #include <pbd/memento_command.h>
  32
  33 #include <gtkmm/image.h>
  34 #include <gdkmm/color.h>
  35 #include <gdkmm/bitmap.h>
  36
  37 #include <gtkmm2ext/gtk_ui.h>
  38 #include <gtkmm2ext/tearoff.h>
  39 #include <gtkmm2ext/utils.h>
  40
  41 #include <ardour/audio_track.h>
  42 #include <ardour/audio_diskstream.h>
  43 #include <ardour/plugin_manager.h>
  44 #include <ardour/location.h>
  45 #include <ardour/audioplaylist.h>
  46 #include <ardour/audioregion.h>
  47 #include <ardour/region.h>
  48 #include <ardour/session_route.h>
  49 #include <ardour/tempo.h>
  50 #include <ardour/utils.h>
  51
  52 #include <control_protocol/control_protocol.h>
  53
  54 #include "ardour_ui.h"
  55 #include "editor.h"
  56 #include "grouped_buttons.h"
  57 #include "keyboard.h"
  58 #include "marker.h"
  59 #include "playlist_selector.h"
  60 #include "audio_region_view.h"
  61 #include "rgb_macros.h"
  62 #include "selection.h"
  63 #include "audio_streamview.h"
  64 #include "time_axis_view.h"
  65 #include "audio_time_axis.h"
  66 #include "utils.h"
  67 #include "crossfade_view.h"
  68 #include "editing.h"
  69 #include "public_editor.h"
  70 #include "crossfade_edit.h"
  71 #include "audio_time_axis.h"
  72 #include "canvas_impl.h"
  73 #include "actions.h"
  74 #include "gui_thread.h"
  75
  76 #ifdef FFT_ANALYSIS
  77 #include "analysis_window.h"
  78 #endif
  79
  80 #include "i18n.h"
  81
  82 /* <CMT Additions> */
  83 #include "imageframe_socket_handler.h"
  84 /* </CMT Additions> */
  85
  86 using namespace std;
  87 using namespace sigc;
  88 using namespace ARDOUR;
  89 using namespace PBD;
  90 using namespace Gtk;
  91 using namespace Glib;
  92 using namespace Gtkmm2ext;
  93 using namespace Editing;
  94
  95 using PBD::internationalize;
  96 using PBD::atoi;
  97
  98 const double Editor::timebar_height = 15.0;
  99
 100 #include "editor_xpms"
 101
 102 static const gchar *_snap_type_strings[] = {
 103         N_("None"),
 104         N_("CD Frames"),
 105         N_("SMPTE Frames"),
 106         N_("SMPTE Seconds"),
 107         N_("SMPTE Minutes"),
 108         N_("Seconds"),
 109         N_("Minutes"),
 110         N_("Beats/32"),
 111         N_("Beats/16"),
 112         N_("Beats/8"),
 113         N_("Beats/4"),
 114         N_("Beats/3"),
 115         N_("Beats"),
 116         N_("Bars"),
 117         N_("Marks"),
 118         N_("Edit Cursor"),
 119         N_("Region starts"),
 120         N_("Region ends"),
 121         N_("Region syncs"),
 122         N_("Region bounds"),
 123         0
 124 };
 125
 126 static const gchar *_snap_mode_strings[] = {
 127         N_("Normal"),
 128         N_("Magnetic"),
 129         0
 130 };
 131
 132 static const gchar *_zoom_focus_strings[] = {
 133         N_("Left"),
 134         N_("Right"),
 135         N_("Center"),
 136         N_("Playhead"),
 137         N_("Edit Cursor"),
 138         0
 139 };
 140
 141 /* Soundfile  drag-n-drop */
 142
 143 Gdk::Cursor* Editor::cross_hair_cursor = 0;
 144 Gdk::Cursor* Editor::selector_cursor = 0;
 145 Gdk::Cursor* Editor::trimmer_cursor = 0;
 146 Gdk::Cursor* Editor::grabber_cursor = 0;
 147 Gdk::Cursor* Editor::zoom_cursor = 0;
 148 Gdk::Cursor* Editor::time_fx_cursor = 0;
 149 Gdk::Cursor* Editor::fader_cursor = 0;
 150 Gdk::Cursor* Editor::speaker_cursor = 0;
 151 Gdk::Cursor* Editor::wait_cursor = 0;
 152 Gdk::Cursor* Editor::timebar_cursor = 0;
 153
 154 void
 155 show_me_the_size (Requisition* r, const char* what)
 156 {
 157         cerr << "size of " << what << " = " << r->width << " x " << r->height << endl;
 158 }
 159
 160 void
 161 check_adjustment (Gtk::Adjustment* adj)
 162 {
 163         cerr << "CHANGE adj  = "
 164              << adj->get_lower () <<  ' '
 165              << adj->get_upper () <<  ' '
 166              << adj->get_value () <<  ' '
 167              << adj->get_step_increment () <<  ' '
 168              << adj->get_page_increment () <<  ' '
 169              << adj->get_page_size () <<  ' '
 170              << endl;
 171
 172 }
 173
 174 Editor::Editor (AudioEngine& eng)
 175         : engine (eng),
 176
 177           /* time display buttons */
 178
 179           minsec_label (_("Mins:Secs")),
 180           bbt_label (_("Bars:Beats")),
 181           smpte_label (_("Timecode")),
 182           frame_label (_("Frames")),
 183           tempo_label (_("Tempo")),
 184           meter_label (_("Meter")),
 185           mark_label (_("Location Markers")),
 186           range_mark_label (_("Range Markers")),
 187           transport_mark_label (_("Loop/Punch Ranges")),
 188
 189           edit_packer (3, 3, false),
 190
 191           /* the values here don't matter: layout widgets
 192              reset them as needed.
 193           */
 194
 195           vertical_adjustment (0.0, 0.0, 10.0, 400.0),
 196           horizontal_adjustment (0.0, 0.0, 20.0, 1200.0),
 197
 198           /* tool bar related */
 199
 200           edit_cursor_clock (X_("editcursor"), false, X_("EditCursorClock"), true),
 201           zoom_range_clock (X_("zoomrange"), false, X_("ZoomRangeClock"), true, true),
 202
 203           toolbar_selection_clock_table (2,3),
 204
 205           automation_mode_button (_("mode")),
 206           global_automation_button (_("automation")),
 207
 208           /* <CMT Additions> */
 209           image_socket_listener(0),
 210           /* </CMT Additions> */
 211
 212           /* nudge */
 213
 214           nudge_clock (X_("nudge"), false, X_("NudgeClock"), true, true)
 215
 216 {
 217         constructed = false;
 218
 219         /* we are a singleton */
 220
 221         PublicEditor::_instance = this;
 222
 223         session = 0;
 224
 225         selection = new Selection;
 226         cut_buffer = new Selection;
 227
 228         selection->TimeChanged.connect (mem_fun(*this, &Editor::time_selection_changed));
 229         selection->TracksChanged.connect (mem_fun(*this, &Editor::track_selection_changed));
 230         selection->RegionsChanged.connect (mem_fun(*this, &Editor::region_selection_changed));
 231         selection->PointsChanged.connect (mem_fun(*this, &Editor::point_selection_changed));
 232
 233         clicked_regionview = 0;
 234         clicked_axisview = 0;
 235         clicked_routeview = 0;
 236         clicked_crossfadeview = 0;
 237         clicked_control_point = 0;
 238         latest_regionview = 0;
 239         last_update_frame = 0;
 240         drag_info.item = 0;
 241         current_mixer_strip = 0;
 242         current_bbt_points = 0;
 243
 244         snap_type_strings = I18N (_snap_type_strings);
 245         snap_mode_strings = I18N (_snap_mode_strings);
 246         zoom_focus_strings = I18N(_zoom_focus_strings);
 247
 248         snap_type = SnapToFrame;
 249         set_snap_to (snap_type);
 250         snap_mode = SnapNormal;
 251         set_snap_mode (snap_mode);
 252         snap_threshold = 5.0;
 253         bbt_beat_subdivision = 4;
 254         canvas_width = 0;
 255         canvas_height = 0;
 256         autoscroll_active = false;
 257         autoscroll_timeout_tag = -1;
 258         interthread_progress_window = 0;
 259
 260 #ifdef FFT_ANALYSIS
 261         analysis_window = 0;
 262 #endif
 263
 264         current_interthread_info = 0;
 265         _show_measures = true;
 266         _show_waveforms = true;
 267         _show_waveforms_recording = true;
 268         first_action_message = 0;
 269         export_dialog = 0;
 270         show_gain_after_trim = false;
 271         ignore_route_list_reorder = false;
 272         no_route_list_redisplay = false;
 273         verbose_cursor_on = true;
 274         route_removal = false;
 275         track_spacing = 0;
 276         show_automatic_regions_in_region_list = true;
 277         region_list_sort_type = (Editing::RegionListSortType) 0;
 278         have_pending_keyboard_selection = false;
 279         _follow_playhead = true;
 280         _xfade_visibility = true;
 281         editor_ruler_menu = 0;
 282         no_ruler_shown_update = false;
 283         edit_group_list_menu = 0;
 284         route_list_menu = 0;
 285         region_list_menu = 0;
 286         marker_menu = 0;
 287         start_end_marker_menu = 0;
 288         range_marker_menu = 0;
 289         marker_menu_item = 0;
 290         tm_marker_menu = 0;
 291         transport_marker_menu = 0;
 292         new_transport_marker_menu = 0;
 293         editor_mixer_strip_width = Wide;
 294         show_editor_mixer_when_tracks_arrive = false;
 295         repos_zoom_queued = false;
 296         region_edit_menu_split_item = 0;
 297         temp_location = 0;
 298         region_edit_menu_split_multichannel_item = 0;
 299         leftmost_frame = 0;
 300         ignore_mouse_mode_toggle = false;
 301         current_stepping_trackview = 0;
 302         entered_track = 0;
 303         entered_regionview = 0;
 304         clear_entered_track = false;
 305         _new_regionviews_show_envelope = false;
 306         current_timestretch = 0;
 307         in_edit_group_row_change = false;
 308         last_canvas_frame = 0;
 309         edit_cursor = 0;
 310         playhead_cursor = 0;
 311         button_release_can_deselect = true;
 312         canvas_idle_queued = false;
 313         _dragging_playhead = false;
 314
 315         location_marker_color = color_map[cLocationMarker];
 316         location_range_color = color_map[cLocationRange];
 317         location_cd_marker_color = color_map[cLocationCDMarker];
 318         location_loop_color = color_map[cLocationLoop];
 319         location_punch_color = color_map[cLocationPunch];
 320
 321         range_marker_drag_rect = 0;
 322         marker_drag_line = 0;
 323
 324         set_mouse_mode (MouseObject, true);
 325
 326         frames_per_unit = 2048; /* too early to use set_frames_per_unit */
 327         reset_hscrollbar_stepping ();
 328
 329         zoom_focus = ZoomFocusLeft;
 330         set_zoom_focus (ZoomFocusLeft);
 331         zoom_range_clock.ValueChanged.connect (mem_fun(*this, &Editor::zoom_adjustment_changed));
 332
 333         initialize_rulers ();
 334         initialize_canvas ();
 335
 336         edit_controls_vbox.set_spacing (0);
 337         horizontal_adjustment.signal_value_changed().connect (mem_fun(*this, &Editor::canvas_horizontally_scrolled));
 338         vertical_adjustment.signal_value_changed().connect (mem_fun(*this, &Editor::tie_vertical_scrolling));
 339
 340         track_canvas.set_hadjustment (horizontal_adjustment);
 341         track_canvas.set_vadjustment (vertical_adjustment);
 342         time_canvas.set_hadjustment (horizontal_adjustment);
 343
 344         track_canvas.signal_map_event().connect (mem_fun (*this, &Editor::track_canvas_map_handler));
 345         time_canvas.signal_map_event().connect (mem_fun (*this, &Editor::time_canvas_map_handler));
 346
 347         controls_layout.add (edit_controls_vbox);
 348         controls_layout.set_name ("EditControlsBase");
 349         controls_layout.add_events (Gdk::SCROLL_MASK);
 350         controls_layout.signal_scroll_event().connect (mem_fun(*this, &Editor::control_layout_scroll), false);
 351
 352         controls_layout.add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK);
 353         controls_layout.signal_button_release_event().connect (mem_fun(*this, &Editor::edit_controls_button_release));
 354         controls_layout.signal_size_request().connect (mem_fun (*this, &Editor::controls_layout_size_request));
 355
 356         edit_vscrollbar.set_adjustment (vertical_adjustment);
 357         edit_hscrollbar.set_adjustment (horizontal_adjustment);
 358
 359         edit_hscrollbar.signal_button_press_event().connect (mem_fun(*this, &Editor::hscrollbar_button_press));
 360         edit_hscrollbar.signal_button_release_event().connect (mem_fun(*this, &Editor::hscrollbar_button_release));
 361         edit_hscrollbar.signal_size_allocate().connect (mem_fun(*this, &Editor::hscrollbar_allocate));
 362
 363         build_cursors ();
 364         setup_toolbar ();
 365
 366         edit_cursor_clock.ValueChanged.connect (mem_fun(*this, &Editor::edit_cursor_clock_changed));
 367
 368         time_canvas_vbox.pack_start (*minsec_ruler, false, false);
 369         time_canvas_vbox.pack_start (*smpte_ruler, false, false);
 370         time_canvas_vbox.pack_start (*frames_ruler, false, false);
 371         time_canvas_vbox.pack_start (*bbt_ruler, false, false);
 372         time_canvas_vbox.pack_start (time_canvas, true, true);
 373         time_canvas_vbox.set_size_request (-1, (int)(timebar_height * visible_timebars));
 374
 375         bbt_label.set_name ("EditorTimeButton");
 376         bbt_label.set_size_request (-1, (int)timebar_height);
 377         bbt_label.set_alignment (1.0, 0.5);
 378         bbt_label.set_padding (5,0);
 379         minsec_label.set_name ("EditorTimeButton");
 380         minsec_label.set_size_request (-1, (int)timebar_height);
 381         minsec_label.set_alignment (1.0, 0.5);
 382         minsec_label.set_padding (5,0);
 383         smpte_label.set_name ("EditorTimeButton");
 384         smpte_label.set_size_request (-1, (int)timebar_height);
 385         smpte_label.set_alignment (1.0, 0.5);
 386         smpte_label.set_padding (5,0);
 387         frame_label.set_name ("EditorTimeButton");
 388         frame_label.set_size_request (-1, (int)timebar_height);
 389         frame_label.set_alignment (1.0, 0.5);
 390         frame_label.set_padding (5,0);
 391         tempo_label.set_name ("EditorTimeButton");
 392         tempo_label.set_size_request (-1, (int)timebar_height);
 393         tempo_label.set_alignment (1.0, 0.5);
 394         tempo_label.set_padding (5,0);
 395         meter_label.set_name ("EditorTimeButton");
 396         meter_label.set_size_request (-1, (int)timebar_height);
 397         meter_label.set_alignment (1.0, 0.5);
 398         meter_label.set_padding (5,0);
 399         mark_label.set_name ("EditorTimeButton");
 400         mark_label.set_size_request (-1, (int)timebar_height);
 401         mark_label.set_alignment (1.0, 0.5);
 402         mark_label.set_padding (5,0);
 403         range_mark_label.set_name ("EditorTimeButton");
 404         range_mark_label.set_size_request (-1, (int)timebar_height);
 405         range_mark_label.set_alignment (1.0, 0.5);
 406         range_mark_label.set_padding (5,0);
 407         transport_mark_label.set_name ("EditorTimeButton");
 408         transport_mark_label.set_size_request (-1, (int)timebar_height);
 409         transport_mark_label.set_alignment (1.0, 0.5);
 410         transport_mark_label.set_padding (5,0);
 411
 412         time_button_vbox.pack_start (minsec_label, false, false);
 413         time_button_vbox.pack_start (smpte_label, false, false);
 414         time_button_vbox.pack_start (frame_label, false, false);
 415         time_button_vbox.pack_start (bbt_label, false, false);
 416         time_button_vbox.pack_start (meter_label, false, false);
 417         time_button_vbox.pack_start (tempo_label, false, false);
 418         time_button_vbox.pack_start (mark_label, false, false);
 419
 420         time_button_event_box.add (time_button_vbox);
 421
 422         time_button_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 423         time_button_event_box.set_name ("TimebarLabelBase");
 424         time_button_event_box.signal_button_release_event().connect (mem_fun(*this, &Editor::ruler_label_button_release));
 425
 426         /* these enable us to have a dedicated window (for cursor setting, etc.)
 427            for the canvas areas.
 428         */
 429
 430         track_canvas_event_box.add (track_canvas);
 431
 432         time_canvas_event_box.add (time_canvas_vbox);
 433         time_canvas_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::POINTER_MOTION_MASK);
 434
 435         edit_packer.set_col_spacings (0);
 436         edit_packer.set_row_spacings (0);
 437         edit_packer.set_homogeneous (false);
 438         edit_packer.set_border_width (0);
 439         edit_packer.set_name ("EditorWindow");
 440
 441         edit_packer.attach (edit_vscrollbar,         0, 1, 1, 3,    FILL,        FILL|EXPAND, 0, 0);
 442
 443         edit_packer.attach (time_button_event_box,   1, 2, 0, 1,    FILL,        FILL, 0, 0);
 444         edit_packer.attach (time_canvas_event_box,   2, 3, 0, 1,    FILL|EXPAND, FILL, 0, 0);
 445
 446         edit_packer.attach (controls_layout,         1, 2, 1, 2,    FILL,        FILL|EXPAND, 0, 0);
 447         edit_packer.attach (track_canvas_event_box,  2, 3, 1, 2,    FILL|EXPAND, FILL|EXPAND, 0, 0);
 448
 449         edit_packer.attach (zoom_box,                1, 2, 2, 3,    FILL,         FILL, 0, 0);
 450         edit_packer.attach (edit_hscrollbar,         2, 3, 2, 3,    FILL|EXPAND,  FILL, 0, 0);
 451
 452         bottom_hbox.set_border_width (2);
 453         bottom_hbox.set_spacing (3);
 454
 455         route_display_model = ListStore::create(route_display_columns);
 456         route_list_display.set_model (route_display_model);
 457         route_list_display.append_column (_("Show"), route_display_columns.visible);
 458         route_list_display.append_column (_("Name"), route_display_columns.text);
 459         route_list_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
 460         route_list_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
 461         route_list_display.set_headers_visible (true);
 462         route_list_display.set_name ("TrackListDisplay");
 463         route_list_display.get_selection()->set_mode (SELECTION_NONE);
 464         route_list_display.set_reorderable (true);
 465         route_list_display.set_size_request (100,-1);
 466
 467         CellRendererToggle* route_list_visible_cell = dynamic_cast<CellRendererToggle*>(route_list_display.get_column_cell_renderer (0));
 468         route_list_visible_cell->property_activatable() = true;
 469         route_list_visible_cell->property_radio() = false;
 470
 471         route_display_model->signal_row_deleted().connect (mem_fun (*this, &Editor::route_list_delete));
 472         route_display_model->signal_row_changed().connect (mem_fun (*this, &Editor::route_list_change));
 473
 474         route_list_display.signal_button_press_event().connect (mem_fun (*this, &Editor::route_list_display_button_press), false);
 475
 476         route_list_scroller.add (route_list_display);
 477         route_list_scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
 478
 479         group_model = ListStore::create(group_columns);
 480         edit_group_display.set_model (group_model);
 481         edit_group_display.append_column (_("Name"), group_columns.text);
 482         edit_group_display.append_column (_("Active"), group_columns.is_active);
 483         edit_group_display.append_column (_("Show"), group_columns.is_visible);
 484         edit_group_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
 485         edit_group_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
 486         edit_group_display.get_column (2)->set_data (X_("colnum"), GUINT_TO_POINTER(2));
 487         edit_group_display.get_column (0)->set_expand (true);
 488         edit_group_display.get_column (1)->set_expand (false);
 489         edit_group_display.get_column (2)->set_expand (false);
 490         edit_group_display.set_headers_visible (true);
 491
 492         /* name is directly editable */
 493
 494         CellRendererText* name_cell = dynamic_cast<CellRendererText*>(edit_group_display.get_column_cell_renderer (0));
 495         name_cell->property_editable() = true;
 496         name_cell->signal_edited().connect (mem_fun (*this, &Editor::edit_group_name_edit));
 497
 498         /* use checkbox for the active + visible columns */
 499
 500         CellRendererToggle* active_cell = dynamic_cast<CellRendererToggle*>(edit_group_display.get_column_cell_renderer (1));
 501         active_cell->property_activatable() = true;
 502         active_cell->property_radio() = false;
 503
 504         active_cell = dynamic_cast<CellRendererToggle*>(edit_group_display.get_column_cell_renderer (1));
 505         active_cell->property_activatable() = true;
 506         active_cell->property_radio() = false;
 507
 508         edit_group_display.set_name ("EditGroupList");
 509
 510         group_model->signal_row_changed().connect (mem_fun (*this, &Editor::edit_group_row_change));
 511
 512         edit_group_display.set_name ("EditGroupList");
 513         edit_group_display.get_selection()->set_mode (SELECTION_SINGLE);
 514         edit_group_display.set_reorderable (false);
 515         edit_group_display.set_rules_hint (true);
 516         edit_group_display.set_size_request (75, -1);
 517
 518         edit_group_display_scroller.add (edit_group_display);
 519         edit_group_display_scroller.set_policy (POLICY_AUTOMATIC, POLICY_AUTOMATIC);
 520
 521         edit_group_display.signal_button_press_event().connect (mem_fun(*this, &Editor::edit_group_list_button_press_event), false);
 522
 523         VBox* edit_group_display_packer = manage (new VBox());
 524         HBox* edit_group_display_button_box = manage (new HBox());
 525         edit_group_display_button_box->set_homogeneous (true);
 526
 527         Button* edit_group_add_button = manage (new Button ());
 528         Button* edit_group_remove_button = manage (new Button ());
 529
 530         Widget* w;
 531
 532         w = manage (new Image (Stock::ADD, ICON_SIZE_BUTTON));
 533         w->show();
 534         edit_group_add_button->add (*w);
 535
 536         w = manage (new Image (Stock::REMOVE, ICON_SIZE_BUTTON));
 537         w->show();
 538         edit_group_remove_button->add (*w);
 539
 540         edit_group_add_button->signal_clicked().connect (mem_fun (*this, &Editor::new_edit_group));
 541         edit_group_remove_button->signal_clicked().connect (mem_fun (*this, &Editor::remove_selected_edit_group));
 542
 543         edit_group_display_button_box->pack_start (*edit_group_add_button);
 544         edit_group_display_button_box->pack_start (*edit_group_remove_button);
 545
 546         edit_group_display_packer->pack_start (edit_group_display_scroller, true, true);
 547         edit_group_display_packer->pack_start (*edit_group_display_button_box, false, false);
 548
 549         region_list_display.set_size_request (100, -1);
 550         region_list_display.set_name ("RegionListDisplay");
 551
 552         region_list_model = TreeStore::create (region_list_columns);
 553         region_list_model->set_sort_func (0, mem_fun (*this, &Editor::region_list_sorter));
 554         region_list_model->set_sort_column (0, SORT_ASCENDING);
 555
 556         region_list_display.set_model (region_list_model);
 557         region_list_display.append_column (_("Regions"), region_list_columns.name);
 558         region_list_display.set_headers_visible (false);
 559
 560         region_list_display.get_selection()->set_select_function (mem_fun (*this, &Editor::region_list_selection_filter));
 561
 562         TreeViewColumn* tv_col = region_list_display.get_column(0);
 563         CellRendererText* renderer = dynamic_cast<CellRendererText*>(region_list_display.get_column_cell_renderer (0));
 564         tv_col->add_attribute(renderer->property_text(), region_list_columns.name);
 565         tv_col->add_attribute(renderer->property_foreground_gdk(), region_list_columns.color_);
 566
 567         region_list_display.get_selection()->set_mode (SELECTION_MULTIPLE);
 568         region_list_display.add_object_drag (region_list_columns.region.index(), "regions");
 569
 570         /* setup DnD handling */
 571
 572         list<TargetEntry> region_list_target_table;
 573
 574         region_list_target_table.push_back (TargetEntry ("text/plain"));
 575         region_list_target_table.push_back (TargetEntry ("text/uri-list"));
 576         region_list_target_table.push_back (TargetEntry ("application/x-rootwin-drop"));
 577
 578         region_list_display.add_drop_targets (region_list_target_table);
 579         region_list_display.signal_drag_data_received().connect (mem_fun(*this, &Editor::region_list_display_drag_data_received));
 580
 581         region_list_scroller.add (region_list_display);
 582         region_list_scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
 583
 584         region_list_display.signal_key_press_event().connect (mem_fun(*this, &Editor::region_list_display_key_press));
 585         region_list_display.signal_key_release_event().connect (mem_fun(*this, &Editor::region_list_display_key_release));
 586         region_list_display.signal_button_press_event().connect (mem_fun(*this, &Editor::region_list_display_button_press), false);
 587         region_list_display.signal_button_release_event().connect (mem_fun(*this, &Editor::region_list_display_button_release));
 588         region_list_display.get_selection()->signal_changed().connect (mem_fun(*this, &Editor::region_list_selection_changed));
 589         // region_list_display.signal_popup_menu().connect (bind (mem_fun (*this, &Editor::show_region_list_display_context_menu), 1, 0));
 590
 591         named_selection_scroller.add (named_selection_display);
 592         named_selection_scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
 593
 594         named_selection_model = TreeStore::create (named_selection_columns);
 595         named_selection_display.set_model (named_selection_model);
 596         named_selection_display.append_column (_("Chunks"), named_selection_columns.text);
 597         named_selection_display.set_headers_visible (false);
 598         named_selection_display.set_size_request (100, -1);
 599         named_selection_display.set_name ("RegionListDisplay");
 600
 601         named_selection_display.get_selection()->set_mode (SELECTION_SINGLE);
 602         named_selection_display.set_size_request (100, -1);
 603         named_selection_display.signal_button_release_event().connect (mem_fun(*this, &Editor::named_selection_display_button_press), false);
 604         named_selection_display.get_selection()->signal_changed().connect (mem_fun (*this, &Editor::named_selection_display_selection_changed));
 605
 606         /* SNAPSHOTS */
 607
 608         snapshot_display_model = ListStore::create (snapshot_display_columns);
 609         snapshot_display.set_model (snapshot_display_model);
 610         snapshot_display.append_column (X_("snapshot"), snapshot_display_columns.visible_name);
 611         snapshot_display.set_name ("SnapshotDisplayList");
 612         snapshot_display.set_size_request (75, -1);
 613         snapshot_display.set_headers_visible (false);
 614         snapshot_display.set_reorderable (false);
 615         snapshot_display_scroller.add (snapshot_display);
 616         snapshot_display_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
 617
 618         snapshot_display.get_selection()->signal_changed().connect (mem_fun(*this, &Editor::snapshot_display_selection_changed));
 619         snapshot_display.signal_button_press_event().connect (mem_fun (*this, &Editor::snapshot_display_button_press), false);
 620
 621         Gtk::Label* nlabel;
 622
 623         nlabel = manage (new Label (_("Regions")));
 624         nlabel->set_angle (-90);
 625         the_notebook.append_page (region_list_scroller, *nlabel);
 626         nlabel = manage (new Label (_("Tracks/Busses")));
 627         nlabel->set_angle (-90);
 628         the_notebook.append_page (route_list_scroller, *nlabel);
 629         nlabel = manage (new Label (_("Snapshots")));
 630         nlabel->set_angle (-90);
 631         the_notebook.append_page (snapshot_display_scroller, *nlabel);
 632         nlabel = manage (new Label (_("Edit Groups")));
 633         nlabel->set_angle (-90);
 634         the_notebook.append_page (*edit_group_display_packer, *nlabel);
 635         nlabel = manage (new Label (_("Chunks")));
 636         nlabel->set_angle (-90);
 637         the_notebook.append_page (named_selection_scroller, *nlabel);
 638
 639         the_notebook.set_show_tabs (true);
 640         the_notebook.set_scrollable (true);
 641         the_notebook.popup_enable ();
 642         the_notebook.set_tab_pos (Gtk::POS_RIGHT);
 643
 644         post_maximal_editor_width = 0;
 645         post_maximal_pane_position = 0;
 646         edit_pane.pack1 (edit_packer, true, true);
 647         edit_pane.pack2 (the_notebook, false, true);
 648
 649         edit_pane.signal_size_allocate().connect (bind (mem_fun(*this, &Editor::pane_allocation_handler), static_cast<Paned*> (&edit_pane)));
 650
 651         top_hbox.pack_start (toolbar_frame, true, true);
 652
 653         HBox *hbox = manage (new HBox);
 654         hbox->pack_start (edit_pane, true, true);
 655
 656         global_vpacker.pack_start (top_hbox, false, false);
 657         global_vpacker.pack_start (*hbox, true, true);
 658
 659         global_hpacker.pack_start (global_vpacker, true, true);
 660
 661         set_name ("EditorWindow");
 662         add_accel_group (ActionManager::ui_manager->get_accel_group());
 663
 664         vpacker.pack_end (global_hpacker, true, true);
 665
 666         /* register actions now so that set_state() can find them and set toggles/checks etc */
 667
 668         register_actions ();
 669
 670         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
 671         set_state (*node);
 672
 673         _playlist_selector = new PlaylistSelector();
 674         _playlist_selector->signal_delete_event().connect (bind (sigc::ptr_fun (just_hide_it), static_cast<Window *> (_playlist_selector)));
 675
 676         RegionView::RegionViewGoingAway.connect (mem_fun(*this, &Editor::catch_vanishing_regionview));
 677
 678         /* nudge stuff */
 679
 680         nudge_forward_button.add (*(manage (new Image (::get_icon("nudge_right")))));
 681         nudge_backward_button.add (*(manage (new Image (::get_icon("nudge_left")))));
 682
 683         ARDOUR_UI::instance()->tooltips().set_tip (nudge_forward_button, _("Nudge Region/Selection Forwards"));
 684         ARDOUR_UI::instance()->tooltips().set_tip (nudge_backward_button, _("Nudge Region/Selection Backwards"));
 685
 686         nudge_forward_button.set_name ("TransportButton");
 687         nudge_backward_button.set_name ("TransportButton");
 688
 689         fade_context_menu.set_name ("ArdourContextMenu");
 690
 691         /* icons, titles, WM stuff */
 692
 693         list<Glib::RefPtr<Gdk::Pixbuf> > window_icons;
 694         Glib::RefPtr<Gdk::Pixbuf> icon;
 695
 696         if ((icon = ::get_icon ("ardour_icon_16px")) != 0) {
 697                 window_icons.push_back (icon);
 698         }
 699         if ((icon = ::get_icon ("ardour_icon_22px")) != 0) {
 700                 window_icons.push_back (icon);
 701         }
 702         if ((icon = ::get_icon ("ardour_icon_32px")) != 0) {
 703                 window_icons.push_back (icon);
 704         }
 705         if ((icon = ::get_icon ("ardour_icon_48px")) != 0) {
 706                 window_icons.push_back (icon);
 707         }
 708         if (!window_icons.empty()) {
 709                 set_icon_list (window_icons);
 710                 set_default_icon_list (window_icons);
 711         }
 712         set_title (_("ardour: editor"));
 713         set_wmclass (X_("ardour_editor"), "Ardour");
 714
 715         add (vpacker);
 716         add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK);
 717
 718         signal_configure_event().connect (mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::configure_handler));
 719         signal_delete_event().connect (mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::exit_on_main_window_close));
 720
 721         /* allow external control surfaces/protocols to do various things */
 722
 723         ControlProtocol::ZoomToSession.connect (mem_fun (*this, &Editor::temporal_zoom_session));
 724         ControlProtocol::ZoomIn.connect (bind (mem_fun (*this, &Editor::temporal_zoom_step), false));
 725         ControlProtocol::ZoomOut.connect (bind (mem_fun (*this, &Editor::temporal_zoom_step), true));
 726         ControlProtocol::ScrollTimeline.connect (mem_fun (*this, &Editor::control_scroll));
 727
 728         Config->ParameterChanged.connect (mem_fun (*this, &Editor::parameter_changed));
 729
 730         constructed = true;
 731         instant_save ();
 732 }
 733
 734 Editor::~Editor()
 735 {
 736         /* <CMT Additions> */
 737         if(image_socket_listener)
 738         {
 739                 if(image_socket_listener->is_connected())
 740                 {
 741                         image_socket_listener->close_connection() ;
 742                 }
 743
 744                 delete image_socket_listener ;
 745                 image_socket_listener = 0 ;
 746         }
 747         /* </CMT Additions> */
 748 }
 749
 750 void
 751 Editor::add_toplevel_controls (Container& cont)
 752 {
 753         vpacker.pack_start (cont, false, false);
 754         cont.show_all ();
 755 }
 756
 757 void
 758 Editor::catch_vanishing_regionview (RegionView *rv)
 759 {
 760         /* note: the selection will take care of the vanishing
 761            audioregionview by itself.
 762         */
 763
 764         if (clicked_regionview == rv) {
 765                 clicked_regionview = 0;
 766         }
 767
 768         if (entered_regionview == rv) {
 769                 set_entered_regionview (0);
 770         }
 771 }
 772
 773 void
 774 Editor::set_entered_regionview (RegionView* rv)
 775 {
 776         if (rv == entered_regionview) {
 777                 return;
 778         }
 779
 780         if (entered_regionview) {
 781                 entered_regionview->exited ();
 782         }
 783
 784         if ((entered_regionview = rv) != 0) {
 785                 entered_regionview->entered ();
 786         }
 787 }
 788
 789 void
 790 Editor::set_entered_track (TimeAxisView* tav)
 791 {
 792         if (entered_track) {
 793                 entered_track->exited ();
 794         }
 795
 796         if ((entered_track = tav) != 0) {
 797                 entered_track->entered ();
 798         }
 799 }
 800
 801 void
 802 Editor::show_window ()
 803 {
 804         show_all ();
 805         present ();
 806
 807         /* now reset all audio_time_axis heights, because widgets might need
 808            to be re-hidden
 809         */
 810
 811         TimeAxisView *tv;
 812
 813         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
 814                 tv = (static_cast<TimeAxisView*>(*i));
 815                 tv->reset_height ();
 816         }
 817 }
 818
 819 void
 820 Editor::tie_vertical_scrolling ()
 821 {
 822         double y1 = vertical_adjustment.get_value();
 823         controls_layout.get_vadjustment()->set_value (y1);
 824         playhead_cursor->set_y_axis(y1);
 825         edit_cursor->set_y_axis(y1);
 826 }
 827
 828 void
 829 Editor::set_frames_per_unit (double fpu)
 830 {
 831         nframes_t frames;
 832
 833         if (fpu == frames_per_unit) {
 834                 return;
 835         }
 836
 837         if (fpu < 2.0) {
 838                 fpu = 2.0;
 839         }
 840
 841         // convert fpu to frame count
 842
 843         frames = (nframes_t) floor (fpu * canvas_width);
 844
 845         /* don't allow zooms that fit more than the maximum number
 846            of frames into an 800 pixel wide space.
 847         */
 848
 849         if (max_frames / fpu < 800.0) {
 850                 return;
 851         }
 852
 853         if (fpu == frames_per_unit) {
 854                 return;
 855         }
 856
 857         frames_per_unit = fpu;
 858
 859         if (frames != zoom_range_clock.current_duration()) {
 860                 zoom_range_clock.set (frames);
 861         }
 862
 863         if (mouse_mode == MouseRange && selection->time.start () != selection->time.end_frame ()) {
 864                 if (!selection->tracks.empty()) {
 865                         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
 866                                 (*i)->reshow_selection (selection->time);
 867                         }
 868                 } else {
 869                         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
 870                                 (*i)->reshow_selection (selection->time);
 871                         }
 872                 }
 873         }
 874
 875         ZoomChanged (); /* EMIT_SIGNAL */
 876
 877         reset_hscrollbar_stepping ();
 878         reset_scrolling_region ();
 879
 880         if (edit_cursor) edit_cursor->set_position (edit_cursor->current_frame);
 881         if (playhead_cursor) playhead_cursor->set_position (playhead_cursor->current_frame);
 882
 883         instant_save ();
 884
 885 }
 886
 887 void
 888 Editor::instant_save ()
 889 {
 890         if (!constructed || !ARDOUR_UI::instance()->session_loaded) {
 891                 return;
 892         }
 893
 894         if (session) {
 895                 session->add_instant_xml(get_state(), session->path());
 896         } else {
 897                 Config->add_instant_xml(get_state(), get_user_ardour_path());
 898         }
 899 }
 900
 901 void
 902 Editor::reposition_x_origin (nframes_t frame)
 903 {
 904         if (frame != leftmost_frame) {
 905                 leftmost_frame = frame;
 906
 907                 nframes_t rightmost_frame = leftmost_frame + current_page_frames ();
 908
 909                 if (rightmost_frame > last_canvas_frame) {
 910                         last_canvas_frame = rightmost_frame;
 911                         reset_scrolling_region ();
 912                 }
 913
 914                 horizontal_adjustment.set_value (frame/frames_per_unit);
 915         } else {
 916                 update_fixed_rulers();
 917                 tempo_map_changed (Change (0));
 918         }
 919 }
 920
 921 void
 922 Editor::edit_cursor_clock_changed()
 923 {
 924         if (edit_cursor->current_frame != edit_cursor_clock.current_time()) {
 925                 edit_cursor->set_position (edit_cursor_clock.current_time());
 926         }
 927 }
 928
 929
 930 void
 931 Editor::zoom_adjustment_changed ()
 932 {
 933         if (session == 0) {
 934                 return;
 935         }
 936
 937         double fpu = zoom_range_clock.current_duration() / canvas_width;
 938
 939         if (fpu < 1.0) {
 940                 fpu = 1.0;
 941                 zoom_range_clock.set ((nframes_t) floor (fpu * canvas_width));
 942         } else if (fpu > session->current_end_frame() / canvas_width) {
 943                 fpu = session->current_end_frame() / canvas_width;
 944                 zoom_range_clock.set ((nframes_t) floor (fpu * canvas_width));
 945         }
 946
 947         temporal_zoom (fpu);
 948 }
 949
 950 void
 951 Editor::control_scroll (float fraction)
 952 {
 953         ENSURE_GUI_THREAD(bind (mem_fun (*this, &Editor::control_scroll), fraction));
 954
 955         if (!session) {
 956                 return;
 957         }
 958
 959         double step = fraction * current_page_frames();
 960         nframes_t target;
 961
 962         if ((fraction < 0.0f) && (session->transport_frame() < (nframes_t) fabs(step))) {
 963                 target = 0;
 964         } else if ((fraction > 0.0f) && (max_frames - session->transport_frame() < step)) {
 965                 target = (max_frames - (current_page_frames()*2)); // allow room for slop in where the PH is on the screen
 966         } else {
 967                 target = (session->transport_frame() + (nframes_t) floor ((fraction * current_page_frames())));
 968         }
 969
 970         /* move visuals, we'll catch up with it later */
 971
 972         playhead_cursor->set_position (target);
 973
 974         if (target > (current_page_frames() / 2)) {
 975                 /* try to center PH in window */
 976                 reposition_x_origin (target - (current_page_frames()/2));
 977         } else {
 978                 reposition_x_origin (0);
 979         }
 980
 981         /* cancel the existing */
 982
 983         control_scroll_connection.disconnect ();
 984
 985         /* add the next one */
 986
 987         control_scroll_connection = Glib::signal_timeout().connect (bind (mem_fun (*this, &Editor::deferred_control_scroll), target), 50);
 988 }
 989
 990 bool
 991 Editor::deferred_control_scroll (nframes_t target)
 992 {
 993         session->request_locate (target);
 994         return false;
 995 }
 996
 997 void
 998 Editor::canvas_horizontally_scrolled ()
 999 {
1000
1001         leftmost_frame = (nframes_t) floor (horizontal_adjustment.get_value() * frames_per_unit);
1002         update_fixed_rulers ();
1003         tempo_map_changed (Change (0));
1004
1005 }
1006
1007 void
1008 Editor::reposition_and_zoom (nframes_t frame, double nfpu)
1009 {
1010         if (!repos_zoom_queued) {
1011                 repos_zoom_queued = true;
1012                 Glib::signal_idle().connect (bind (mem_fun(*this, &Editor::deferred_reposition_and_zoom), frame, nfpu));
1013         }
1014 }
1015
1016 gint
1017 Editor::deferred_reposition_and_zoom (nframes_t frame, double nfpu)
1018 {
1019
1020         set_frames_per_unit (nfpu);
1021         reposition_x_origin  (frame);
1022         repos_zoom_queued = false;
1023
1024         return FALSE;
1025 }
1026
1027 void
1028 Editor::on_realize ()
1029 {
1030         Window::on_realize ();
1031         Realized ();
1032 }
1033
1034 void
1035 Editor::start_scrolling ()
1036 {
1037         scroll_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect
1038                 (mem_fun(*this, &Editor::update_current_screen));
1039 }
1040
1041 void
1042 Editor::stop_scrolling ()
1043 {
1044         scroll_connection.disconnect ();
1045 }
1046
1047 void
1048 Editor::map_position_change (nframes_t frame)
1049 {
1050         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::map_position_change), frame));
1051
1052         if (session == 0 || !_follow_playhead) {
1053                 return;
1054         }
1055
1056         center_screen (frame);
1057         playhead_cursor->set_position (frame);
1058 }
1059
1060 void
1061 Editor::center_screen (nframes_t frame)
1062 {
1063         double page = canvas_width * frames_per_unit;
1064
1065         /* if we're off the page, then scroll.
1066          */
1067
1068         if (frame < leftmost_frame || frame >= leftmost_frame + page) {
1069                 center_screen_internal (frame, page);
1070         }
1071 }
1072
1073 void
1074 Editor::center_screen_internal (nframes_t frame, float page)
1075 {
1076         page /= 2;
1077
1078         if (frame > page) {
1079                 frame -= (nframes_t) page;
1080         } else {
1081                 frame = 0;
1082         }
1083
1084     reposition_x_origin (frame);
1085 }
1086
1087 void
1088 Editor::handle_new_duration ()
1089 {
1090         ENSURE_GUI_THREAD (mem_fun (*this, &Editor::handle_new_duration));
1091
1092         nframes_t new_end = session->get_maximum_extent() + (nframes_t) floorf (current_page_frames() * 0.10f);
1093
1094         if (new_end > last_canvas_frame) {
1095                 last_canvas_frame = new_end;
1096                 reset_scrolling_region ();
1097         }
1098
1099         horizontal_adjustment.set_value (leftmost_frame/frames_per_unit);
1100 }
1101
1102 void
1103 Editor::update_title_s (const string & snap_name)
1104 {
1105         ENSURE_GUI_THREAD(bind (mem_fun(*this, &Editor::update_title_s), snap_name));
1106
1107         update_title ();
1108 }
1109
1110 void
1111 Editor::update_title ()
1112 {
1113         ENSURE_GUI_THREAD (mem_fun(*this, &Editor::update_title));
1114
1115         if (session) {
1116                 bool dirty = session->dirty();
1117
1118                 string wintitle = _("ardour: editor: ");
1119
1120                 if (dirty) {
1121                         wintitle += '[';
1122                 }
1123
1124                 wintitle += session->name();
1125
1126                 if (session->snap_name() != session->name()) {
1127                         wintitle += ':';
1128                         wintitle += session->snap_name();
1129                 }
1130
1131                 if (dirty) {
1132                         wintitle += ']';
1133                 }
1134
1135                 set_title (wintitle);
1136         }
1137 }
1138
1139 void
1140 Editor::connect_to_session (Session *t)
1141 {
1142         session = t;
1143
1144         if (first_action_message) {
1145                 first_action_message->hide();
1146         }
1147
1148         update_title ();
1149
1150         session->GoingAway.connect (mem_fun(*this, &Editor::session_going_away));
1151         session->history().Changed.connect (mem_fun (*this, &Editor::history_changed));
1152
1153         /* These signals can all be emitted by a non-GUI thread. Therefore the
1154            handlers for them must not attempt to directly interact with the GUI,
1155            but use Gtkmm2ext::UI::instance()->call_slot();
1156         */
1157
1158         session_connections.push_back (session->TransportStateChange.connect (mem_fun(*this, &Editor::map_transport_state)));
1159         session_connections.push_back (session->PositionChanged.connect (mem_fun(*this, &Editor::map_position_change)));
1160         session_connections.push_back (session->RouteAdded.connect (mem_fun(*this, &Editor::handle_new_route)));
1161         session_connections.push_back (session->RegionAdded.connect (mem_fun(*this, &Editor::handle_new_region)));
1162         session_connections.push_back (session->RegionRemoved.connect (mem_fun(*this, &Editor::handle_region_removed)));
1163         session_connections.push_back (session->DurationChanged.connect (mem_fun(*this, &Editor::handle_new_duration)));
1164         session_connections.push_back (session->edit_group_added.connect (mem_fun(*this, &Editor::add_edit_group)));
1165         session_connections.push_back (session->edit_group_removed.connect (mem_fun(*this, &Editor::edit_groups_changed)));
1166         session_connections.push_back (session->NamedSelectionAdded.connect (mem_fun(*this, &Editor::handle_new_named_selection)));
1167         session_connections.push_back (session->NamedSelectionRemoved.connect (mem_fun(*this, &Editor::handle_new_named_selection)));
1168         session_connections.push_back (session->DirtyChanged.connect (mem_fun(*this, &Editor::update_title)));
1169         session_connections.push_back (session->StateSaved.connect (mem_fun(*this, &Editor::update_title_s)));
1170         session_connections.push_back (session->AskAboutPlaylistDeletion.connect (mem_fun(*this, &Editor::playlist_deletion_dialog)));
1171         session_connections.push_back (session->RegionHiddenChange.connect (mem_fun(*this, &Editor::region_hidden)));
1172
1173         session_connections.push_back (session->SMPTEOffsetChanged.connect (mem_fun(*this, &Editor::update_just_smpte)));
1174
1175         session_connections.push_back (session->tempo_map().StateChanged.connect (mem_fun(*this, &Editor::tempo_map_changed)));
1176
1177         edit_groups_changed ();
1178
1179         edit_cursor_clock.set_session (session);
1180         zoom_range_clock.set_session (session);
1181         _playlist_selector->set_session (session);
1182         nudge_clock.set_session (session);
1183
1184 #ifdef FFT_ANALYSIS
1185         if (analysis_window != 0)
1186                 analysis_window->set_session (session);
1187 #endif
1188
1189         Location* loc = session->locations()->auto_loop_location();
1190         if (loc == 0) {
1191                 loc = new Location (0, session->current_end_frame(), _("Loop"),(Location::Flags) (Location::IsAutoLoop | Location::IsHidden));
1192                 if (loc->start() == loc->end()) {
1193                         loc->set_end (loc->start() + 1);
1194                 }
1195                 session->locations()->add (loc, false);
1196                 session->set_auto_loop_location (loc);
1197         }
1198         else {
1199                 // force name
1200                 loc->set_name (_("Loop"));
1201         }
1202
1203         loc = session->locations()->auto_punch_location();
1204         if (loc == 0) {
1205                 loc = new Location (0, session->current_end_frame(), _("Punch"), (Location::Flags) (Location::IsAutoPunch | Location::IsHidden));
1206                 if (loc->start() == loc->end()) {
1207                         loc->set_end (loc->start() + 1);
1208                 }
1209                 session->locations()->add (loc, false);
1210                 session->set_auto_punch_location (loc);
1211         }
1212         else {
1213                 // force name
1214                 loc->set_name (_("Punch"));
1215         }
1216
1217         Config->map_parameters (mem_fun (*this, &Editor::parameter_changed));
1218
1219         session->StateSaved.connect (mem_fun(*this, &Editor::session_state_saved));
1220
1221         refresh_location_display ();
1222         session->locations()->added.connect (mem_fun(*this, &Editor::add_new_location));
1223         session->locations()->removed.connect (mem_fun(*this, &Editor::location_gone));
1224         session->locations()->changed.connect (mem_fun(*this, &Editor::refresh_location_display));
1225         session->locations()->StateChanged.connect (mem_fun(*this, &Editor::refresh_location_display_s));
1226         session->locations()->end_location()->changed.connect (mem_fun(*this, &Editor::end_location_changed));
1227
1228         handle_new_duration ();
1229
1230         redisplay_regions ();
1231         redisplay_named_selections ();
1232         redisplay_snapshots ();
1233
1234         initial_route_list_display ();
1235
1236         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
1237                 (static_cast<TimeAxisView*>(*i))->set_samples_per_unit (frames_per_unit);
1238         }
1239
1240         /* ::reposition_x_origin() doesn't work right here, since the old
1241            position may be zero already, and it does nothing in such
1242            circumstances.
1243         */
1244
1245         leftmost_frame = 0;
1246
1247         horizontal_adjustment.set_value (0);
1248
1249         restore_ruler_visibility ();
1250         //tempo_map_changed (Change (0));
1251         session->tempo_map().apply_with_metrics (*this, &Editor::draw_metric_marks);
1252
1253         edit_cursor->set_position (0);
1254         playhead_cursor->set_position (0);
1255
1256         start_scrolling ();
1257
1258         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
1259         set_state (*node);
1260
1261         /* don't show master bus in a new session */
1262
1263         if (ARDOUR_UI::instance()->session_is_new ()) {
1264
1265                 TreeModel::Children rows = route_display_model->children();
1266                 TreeModel::Children::iterator i;
1267
1268                 no_route_list_redisplay = true;
1269
1270                 for (i = rows.begin(); i != rows.end(); ++i) {
1271                         TimeAxisView *tv =  (*i)[route_display_columns.tv];
1272                         RouteTimeAxisView *rtv;
1273
1274                         if ((rtv = dynamic_cast<RouteTimeAxisView*>(tv)) != 0) {
1275                                 if (rtv->route()->master()) {
1276                                         route_list_display.get_selection()->unselect (i);
1277                                 }
1278                         }
1279                 }
1280
1281                 no_route_list_redisplay = false;
1282                 redisplay_route_list ();
1283         }
1284
1285         /* register for undo history */
1286
1287         session->register_with_memento_command_factory(_id, this);
1288 }
1289
1290 void
1291 Editor::build_cursors ()
1292 {
1293         using namespace Gdk;
1294
1295         Gdk::Color mbg ("#000000" ); /* Black */
1296         Gdk::Color mfg ("#0000ff" ); /* Blue. */
1297
1298         {
1299                 RefPtr<Bitmap> source, mask;
1300                 source = Bitmap::create (mag_bits, mag_width, mag_height);
1301                 mask = Bitmap::create (magmask_bits, mag_width, mag_height);
1302                 zoom_cursor = new Gdk::Cursor (source, mask, mfg, mbg, mag_x_hot, mag_y_hot);
1303         }
1304
1305         Gdk::Color fbg ("#ffffff" );
1306         Gdk::Color ffg  ("#000000" );
1307
1308         {
1309                 RefPtr<Bitmap> source, mask;
1310
1311                 source = Bitmap::create (fader_cursor_bits, fader_cursor_width, fader_cursor_height);
1312                 mask = Bitmap::create (fader_cursor_mask_bits, fader_cursor_width, fader_cursor_height);
1313                 fader_cursor = new Gdk::Cursor (source, mask, ffg, fbg, fader_cursor_x_hot, fader_cursor_y_hot);
1314         }
1315
1316         {
1317                 RefPtr<Bitmap> source, mask;
1318                 source = Bitmap::create (speaker_cursor_bits, speaker_cursor_width, speaker_cursor_height);
1319                 mask = Bitmap::create (speaker_cursor_mask_bits, speaker_cursor_width, speaker_cursor_height);
1320                 speaker_cursor = new Gdk::Cursor (source, mask, ffg, fbg, speaker_cursor_x_hot, speaker_cursor_y_hot);
1321         }
1322
1323         grabber_cursor = new Gdk::Cursor (HAND2);
1324         cross_hair_cursor = new Gdk::Cursor (CROSSHAIR);
1325         trimmer_cursor =  new Gdk::Cursor (SB_H_DOUBLE_ARROW);
1326         selector_cursor = new Gdk::Cursor (XTERM);
1327         time_fx_cursor = new Gdk::Cursor (SIZING);
1328         wait_cursor = new Gdk::Cursor  (WATCH);
1329         timebar_cursor = new Gdk::Cursor(LEFT_PTR);
1330 }
1331
1332 void
1333 Editor::popup_fade_context_menu (int button, int32_t time, ArdourCanvas::Item* item, ItemType item_type)
1334 {
1335         using namespace Menu_Helpers;
1336         AudioRegionView* arv = static_cast<AudioRegionView*> (item->get_data ("regionview"));
1337
1338         if (arv == 0) {
1339                 fatal << _("programming error: fade in canvas item has no regionview data pointer!") << endmsg;
1340                 /*NOTREACHED*/
1341         }
1342
1343         MenuList& items (fade_context_menu.items());
1344
1345         items.clear ();
1346
1347         switch (item_type) {
1348         case FadeInItem:
1349         case FadeInHandleItem:
1350                 if (arv->audio_region()->fade_in_active()) {
1351                         items.push_back (MenuElem (_("Deactivate"), bind (mem_fun (*arv, &AudioRegionView::set_fade_in_active), false)));
1352                 } else {
1353                         items.push_back (MenuElem (_("Activate"), bind (mem_fun (*arv, &AudioRegionView::set_fade_in_active), true)));
1354                 }
1355
1356                 items.push_back (SeparatorElem());
1357
1358                 items.push_back (MenuElem (_("Linear"), bind (mem_fun (*arv, &AudioRegionView::set_fade_in_shape), AudioRegion::Linear)));
1359                 items.push_back (MenuElem (_("Slowest"), bind (mem_fun (*arv, &AudioRegionView::set_fade_in_shape), AudioRegion::LogB)));
1360                 items.push_back (MenuElem (_("Slow"), bind (mem_fun (*arv, &AudioRegionView::set_fade_in_shape), AudioRegion::Fast)));
1361                 items.push_back (MenuElem (_("Fast"), bind (mem_fun (*arv, &AudioRegionView::set_fade_in_shape), AudioRegion::LogA)));
1362                 items.push_back (MenuElem (_("Fastest"), bind (mem_fun (*arv, &AudioRegionView::set_fade_in_shape), AudioRegion::Slow)));
1363                 break;
1364
1365         case FadeOutItem:
1366         case FadeOutHandleItem:
1367                 if (arv->audio_region()->fade_out_active()) {
1368                         items.push_back (MenuElem (_("Deactivate"), bind (mem_fun (*arv, &AudioRegionView::set_fade_out_active), false)));
1369                 } else {
1370                         items.push_back (MenuElem (_("Activate"), bind (mem_fun (*arv, &AudioRegionView::set_fade_out_active), true)));
1371                 }
1372
1373                 items.push_back (SeparatorElem());
1374
1375                 items.push_back (MenuElem (_("Linear"), bind (mem_fun (*arv, &AudioRegionView::set_fade_out_shape), AudioRegion::Linear)));
1376                 items.push_back (MenuElem (_("Slowest"), bind (mem_fun (*arv, &AudioRegionView::set_fade_out_shape), AudioRegion::Fast)));
1377                 items.push_back (MenuElem (_("Slow"), bind (mem_fun (*arv, &AudioRegionView::set_fade_out_shape), AudioRegion::LogB)));
1378                 items.push_back (MenuElem (_("Fast"), bind (mem_fun (*arv, &AudioRegionView::set_fade_out_shape), AudioRegion::LogA)));
1379                 items.push_back (MenuElem (_("Fastest"), bind (mem_fun (*arv, &AudioRegionView::set_fade_out_shape), AudioRegion::Slow)));
1380
1381                 break;
1382
1383         default:
1384                 fatal << _("programming error: ")
1385                       << X_("non-fade canvas item passed to popup_fade_context_menu()")
1386                       << endmsg;
1387                 /*NOTREACHED*/
1388         }
1389
1390         fade_context_menu.popup (button, time);
1391 }
1392
1393 void
1394 Editor::popup_track_context_menu (int button, int32_t time, ItemType item_type, bool with_selection, nframes_t frame)
1395 {
1396         using namespace Menu_Helpers;
1397         Menu* (Editor::*build_menu_function)(nframes_t);
1398         Menu *menu;
1399
1400         switch (item_type) {
1401         case RegionItem:
1402         case RegionViewName:
1403         case RegionViewNameHighlight:
1404                 if (with_selection) {
1405                         build_menu_function = &Editor::build_track_selection_context_menu;
1406                 } else {
1407                         build_menu_function = &Editor::build_track_region_context_menu;
1408                 }
1409                 break;
1410
1411         case SelectionItem:
1412                 if (with_selection) {
1413                         build_menu_function = &Editor::build_track_selection_context_menu;
1414                 } else {
1415                         build_menu_function = &Editor::build_track_context_menu;
1416                 }
1417                 break;
1418
1419         case CrossfadeViewItem:
1420                 build_menu_function = &Editor::build_track_crossfade_context_menu;
1421                 break;
1422
1423         case StreamItem:
1424                 if (clicked_routeview->is_track()) {
1425                         build_menu_function = &Editor::build_track_context_menu;
1426                 } else {
1427                         build_menu_function = &Editor::build_track_bus_context_menu;
1428                 }
1429                 break;
1430
1431         default:
1432                 /* probably shouldn't happen but if it does, we don't care */
1433                 return;
1434         }
1435
1436         menu = (this->*build_menu_function)(frame);
1437         menu->set_name ("ArdourContextMenu");
1438
1439         /* now handle specific situations */
1440
1441         switch (item_type) {
1442         case RegionItem:
1443         case RegionViewName:
1444         case RegionViewNameHighlight:
1445                 if (!with_selection) {
1446                         if (region_edit_menu_split_item) {
1447                                 if (clicked_regionview && clicked_regionview->region()->covers (edit_cursor->current_frame)) {
1448                                         ActionManager::set_sensitive (ActionManager::edit_cursor_in_region_sensitive_actions, true);
1449                                 } else {
1450                                         ActionManager::set_sensitive (ActionManager::edit_cursor_in_region_sensitive_actions, false);
1451                                 }
1452                         }
1453                         /*
1454                         if (region_edit_menu_split_multichannel_item) {
1455                                 if (clicked_regionview && clicked_regionview->region().n_channels() > 1) {
1456                                         // GTK2FIX find the action, change its sensitivity
1457                                         // region_edit_menu_split_multichannel_item->set_sensitive (true);
1458                                 } else {
1459                                         // GTK2FIX see above
1460                                         // region_edit_menu_split_multichannel_item->set_sensitive (false);
1461                                 }
1462                         }*/
1463                 }
1464                 break;
1465
1466         case SelectionItem:
1467                 break;
1468
1469         case CrossfadeViewItem:
1470                 break;
1471
1472         case StreamItem:
1473                 break;
1474
1475         default:
1476                 /* probably shouldn't happen but if it does, we don't care */
1477                 return;
1478         }
1479
1480         if (clicked_routeview && clicked_routeview->audio_track()) {
1481
1482                 /* Bounce to disk */
1483
1484                 using namespace Menu_Helpers;
1485                 MenuList& edit_items  = menu->items();
1486
1487                 edit_items.push_back (SeparatorElem());
1488
1489                 switch (clicked_routeview->audio_track()->freeze_state()) {
1490                 case AudioTrack::NoFreeze:
1491                         edit_items.push_back (MenuElem (_("Freeze"), mem_fun(*this, &Editor::freeze_route)));
1492                         break;
1493
1494                 case AudioTrack::Frozen:
1495                         edit_items.push_back (MenuElem (_("Unfreeze"), mem_fun(*this, &Editor::unfreeze_route)));
1496                         break;
1497
1498                 case AudioTrack::UnFrozen:
1499                         edit_items.push_back (MenuElem (_("Freeze"), mem_fun(*this, &Editor::freeze_route)));
1500                         break;
1501                 }
1502
1503         }
1504
1505         menu->popup (button, time);
1506 }
1507
1508 Menu*
1509 Editor::build_track_context_menu (nframes_t ignored)
1510 {
1511         using namespace Menu_Helpers;
1512
1513         MenuList& edit_items = track_context_menu.items();
1514         edit_items.clear();
1515
1516         add_dstream_context_items (edit_items);
1517         return &track_context_menu;
1518 }
1519
1520 Menu*
1521 Editor::build_track_bus_context_menu (nframes_t ignored)
1522 {
1523         using namespace Menu_Helpers;
1524
1525         MenuList& edit_items = track_context_menu.items();
1526         edit_items.clear();
1527
1528         add_bus_context_items (edit_items);
1529         return &track_context_menu;
1530 }
1531
1532 Menu*
1533 Editor::build_track_region_context_menu (nframes_t frame)
1534 {
1535         using namespace Menu_Helpers;
1536         MenuList& edit_items  = track_region_context_menu.items();
1537         edit_items.clear();
1538
1539         AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*> (clicked_axisview);
1540
1541         if (atv) {
1542                 boost::shared_ptr<Diskstream> ds;
1543                 boost::shared_ptr<Playlist> pl;
1544
1545                 if ((ds = atv->get_diskstream()) && ((pl = ds->playlist()))) {
1546                         Playlist::RegionList* regions = pl->regions_at ((nframes_t) floor ( (double)frame * ds->speed()));
1547                         for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
1548                                 add_region_context_items (atv->audio_view(), (*i), edit_items);
1549                         }
1550                         delete regions;
1551                 }
1552         }
1553
1554         add_dstream_context_items (edit_items);
1555
1556         return &track_region_context_menu;
1557 }
1558
1559 Menu*
1560 Editor::build_track_crossfade_context_menu (nframes_t frame)
1561 {
1562         using namespace Menu_Helpers;
1563         MenuList& edit_items  = track_crossfade_context_menu.items();
1564         edit_items.clear ();
1565
1566         AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*> (clicked_axisview);
1567
1568         if (atv) {
1569                 boost::shared_ptr<Diskstream> ds;
1570                 boost::shared_ptr<Playlist> pl;
1571                 boost::shared_ptr<AudioPlaylist> apl;
1572
1573                 if ((ds = atv->get_diskstream()) && ((pl = ds->playlist()) != 0) && ((apl = boost::dynamic_pointer_cast<AudioPlaylist> (pl)) != 0)) {
1574
1575                         Playlist::RegionList* regions = pl->regions_at (frame);
1576                         AudioPlaylist::Crossfades xfades;
1577
1578                         apl->crossfades_at (frame, xfades);
1579
1580                         bool many = xfades.size() > 1;
1581
1582                         for (AudioPlaylist::Crossfades::iterator i = xfades.begin(); i != xfades.end(); ++i) {
1583                                 add_crossfade_context_items (atv->audio_view(), (*i), edit_items, many);
1584                         }
1585
1586                         for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
1587                                 add_region_context_items (atv->audio_view(), (*i), edit_items);
1588                         }
1589
1590                         delete regions;
1591                 }
1592         }
1593
1594         add_dstream_context_items (edit_items);
1595
1596         return &track_crossfade_context_menu;
1597 }
1598
1599 #ifdef FFT_ANALYSIS
1600 void
1601 Editor::analyze_region_selection()
1602 {
1603         if (analysis_window == 0) {
1604                 analysis_window = new AnalysisWindow();
1605
1606                 if (session != 0)
1607                         analysis_window->set_session(session);
1608
1609                 analysis_window->show_all();
1610         }
1611
1612         analysis_window->set_regionmode();
1613         analysis_window->analyze();
1614
1615         analysis_window->present();
1616 }
1617
1618 void
1619 Editor::analyze_range_selection()
1620 {
1621         if (analysis_window == 0) {
1622                 analysis_window = new AnalysisWindow();
1623
1624                 if (session != 0)
1625                         analysis_window->set_session(session);
1626
1627                 analysis_window->show_all();
1628         }
1629
1630         analysis_window->set_rangemode();
1631         analysis_window->analyze();
1632
1633         analysis_window->present();
1634 }
1635 #endif /* FFT_ANALYSIS */
1636
1637
1638
1639 Menu*
1640 Editor::build_track_selection_context_menu (nframes_t ignored)
1641 {
1642         using namespace Menu_Helpers;
1643         MenuList& edit_items  = track_selection_context_menu.items();
1644         edit_items.clear ();
1645
1646         add_selection_context_items (edit_items);
1647         add_dstream_context_items (edit_items);
1648
1649         return &track_selection_context_menu;
1650 }
1651
1652 void
1653 Editor::add_crossfade_context_items (AudioStreamView* view, Crossfade* xfade, Menu_Helpers::MenuList& edit_items, bool many)
1654 {
1655         using namespace Menu_Helpers;
1656         Menu     *xfade_menu = manage (new Menu);
1657         MenuList& items       = xfade_menu->items();
1658         xfade_menu->set_name ("ArdourContextMenu");
1659         string str;
1660
1661         if (xfade->active()) {
1662                 str = _("Mute");
1663         } else {
1664                 str = _("Unmute");
1665         }
1666
1667         items.push_back (MenuElem (str, bind (mem_fun(*this, &Editor::toggle_xfade_active), xfade)));
1668         items.push_back (MenuElem (_("Edit"), bind (mem_fun(*this, &Editor::edit_xfade), xfade)));
1669
1670         if (xfade->can_follow_overlap()) {
1671
1672                 if (xfade->following_overlap()) {
1673                         str = _("Convert to short");
1674                 } else {
1675                         str = _("Convert to full");
1676                 }
1677
1678                 items.push_back (MenuElem (str, bind (mem_fun(*this, &Editor::toggle_xfade_length), xfade)));
1679         }
1680
1681         if (many) {
1682                 str = xfade->out()->name();
1683                 str += "->";
1684                 str += xfade->in()->name();
1685         } else {
1686                 str = _("Crossfade");
1687         }
1688
1689         edit_items.push_back (MenuElem (str, *xfade_menu));
1690         edit_items.push_back (SeparatorElem());
1691 }
1692
1693 void
1694 Editor::xfade_edit_left_region ()
1695 {
1696         if (clicked_crossfadeview) {
1697                 clicked_crossfadeview->left_view.show_region_editor ();
1698         }
1699 }
1700
1701 void
1702 Editor::xfade_edit_right_region ()
1703 {
1704         if (clicked_crossfadeview) {
1705                 clicked_crossfadeview->right_view.show_region_editor ();
1706         }
1707 }
1708
1709 void
1710 Editor::add_region_context_items (AudioStreamView* sv, boost::shared_ptr<Region> region, Menu_Helpers::MenuList& edit_items)
1711 {
1712         using namespace Menu_Helpers;
1713         Menu     *region_menu = manage (new Menu);
1714         MenuList& items       = region_menu->items();
1715         region_menu->set_name ("ArdourContextMenu");
1716
1717         boost::shared_ptr<AudioRegion> ar;
1718
1719         if (region) {
1720                 ar = boost::dynamic_pointer_cast<AudioRegion> (region);
1721         }
1722
1723         /* when this particular menu pops up, make the relevant region
1724            become selected.
1725         */
1726
1727         // region_menu->signal_map_event().connect (bind (mem_fun(*this, &Editor::set_selected_regionview_from_map_event), sv, boost::weak_ptr<Region>(region)));
1728
1729         items.push_back (MenuElem (_("Popup region editor"), mem_fun(*this, &Editor::edit_region)));
1730         items.push_back (MenuElem (_("Raise to top layer"), mem_fun(*this, &Editor::raise_region_to_top)));
1731         items.push_back (MenuElem (_("Lower to bottom layer"), mem_fun  (*this, &Editor::lower_region_to_bottom)));
1732         items.push_back (SeparatorElem());
1733         items.push_back (MenuElem (_("Define sync point"), mem_fun(*this, &Editor::set_region_sync_from_edit_cursor)));
1734         items.push_back (MenuElem (_("Remove sync point"), mem_fun(*this, &Editor::remove_region_sync)));
1735         items.push_back (SeparatorElem());
1736
1737         items.push_back (MenuElem (_("Audition"), mem_fun(*this, &Editor::audition_selected_region)));
1738         items.push_back (MenuElem (_("Export"), mem_fun(*this, &Editor::export_region)));
1739         items.push_back (MenuElem (_("Bounce"), mem_fun(*this, &Editor::bounce_region_selection)));
1740
1741 #ifdef FFT_ANALYSIS
1742         items.push_back (MenuElem (_("Analyze region"), mem_fun(*this, &Editor::analyze_region_selection)));
1743 #endif
1744
1745         items.push_back (SeparatorElem());
1746
1747         items.push_back (CheckMenuElem (_("Lock"), mem_fun(*this, &Editor::toggle_region_lock)));
1748         region_lock_item = static_cast<CheckMenuItem*>(&items.back());
1749         if (region->locked()) {
1750                 region_lock_item->set_active();
1751         }
1752         items.push_back (CheckMenuElem (_("Mute"), mem_fun(*this, &Editor::toggle_region_mute)));
1753         region_mute_item = static_cast<CheckMenuItem*>(&items.back());
1754         if (region->muted()) {
1755                 region_mute_item->set_active();
1756         }
1757         items.push_back (CheckMenuElem (_("Opaque"), mem_fun(*this, &Editor::toggle_region_opaque)));
1758         region_opaque_item = static_cast<CheckMenuItem*>(&items.back());
1759         if (region->opaque()) {
1760                 region_opaque_item->set_active();
1761         }
1762
1763         items.push_back (CheckMenuElem (_("Original position"), mem_fun(*this, &Editor::naturalize)));
1764         if (region->at_natural_position()) {
1765                 items.back().set_sensitive (false);
1766         }
1767
1768         items.push_back (SeparatorElem());
1769
1770         if (ar) {
1771
1772                 RegionView* rv = sv->find_view (ar);
1773                 AudioRegionView* arv = dynamic_cast<AudioRegionView*>(rv);
1774
1775                 items.push_back (MenuElem (_("Reset Envelope"), mem_fun(*this, &Editor::reset_region_gain_envelopes)));
1776
1777                 items.push_back (CheckMenuElem (_("Envelope Visible"), mem_fun(*this, &Editor::toggle_gain_envelope_visibility)));
1778                 region_envelope_visible_item = static_cast<CheckMenuItem*> (&items.back());
1779
1780                 if (arv->envelope_visible()) {
1781                         region_envelope_visible_item->set_active (true);
1782                 }
1783
1784                 items.push_back (CheckMenuElem (_("Envelope Active"), mem_fun(*this, &Editor::toggle_gain_envelope_active)));
1785                 region_envelope_active_item = static_cast<CheckMenuItem*> (&items.back());
1786
1787                 if (ar->envelope_active()) {
1788                         region_envelope_active_item->set_active (true);
1789                 }
1790
1791                 items.push_back (SeparatorElem());
1792
1793                 if (ar->scale_amplitude() != 1.0f) {
1794                         items.push_back (MenuElem (_("DeNormalize"), mem_fun(*this, &Editor::denormalize_region)));
1795                 } else {
1796                         items.push_back (MenuElem (_("Normalize"), mem_fun(*this, &Editor::normalize_region)));
1797                 }
1798         }
1799         items.push_back (MenuElem (_("Reverse"), mem_fun(*this, &Editor::reverse_region)));
1800         items.push_back (SeparatorElem());
1801
1802
1803         /* range related stuff */
1804
1805         items.push_back (MenuElem (_("Add Range Markers"), mem_fun (*this, &Editor::add_location_from_audio_region)));
1806         items.push_back (MenuElem (_("Set Range Selection"), mem_fun (*this, &Editor::set_selection_from_audio_region)));
1807         items.push_back (SeparatorElem());
1808
1809         /* Nudge region */
1810
1811         Menu *nudge_menu = manage (new Menu());
1812         MenuList& nudge_items = nudge_menu->items();
1813         nudge_menu->set_name ("ArdourContextMenu");
1814
1815         nudge_items.push_back (MenuElem (_("Nudge fwd"), (bind (mem_fun(*this, &Editor::nudge_forward), false))));
1816         nudge_items.push_back (MenuElem (_("Nudge bwd"), (bind (mem_fun(*this, &Editor::nudge_backward), false))));
1817         nudge_items.push_back (MenuElem (_("Nudge fwd by capture offset"), (mem_fun(*this, &Editor::nudge_forward_capture_offset))));
1818         nudge_items.push_back (MenuElem (_("Nudge bwd by capture offset"), (mem_fun(*this, &Editor::nudge_backward_capture_offset))));
1819
1820         items.push_back (MenuElem (_("Nudge"), *nudge_menu));
1821         items.push_back (SeparatorElem());
1822
1823         Menu *trim_menu = manage (new Menu);
1824         MenuList& trim_items = trim_menu->items();
1825         trim_menu->set_name ("ArdourContextMenu");
1826
1827         trim_items.push_back (MenuElem (_("Start to edit cursor"), mem_fun(*this, &Editor::trim_region_from_edit_cursor)));
1828         trim_items.push_back (MenuElem (_("Edit cursor to end"), mem_fun(*this, &Editor::trim_region_to_edit_cursor)));
1829
1830         items.push_back (MenuElem (_("Trim"), *trim_menu));
1831         items.push_back (SeparatorElem());
1832
1833         items.push_back (MenuElem (_("Split"), (mem_fun(*this, &Editor::split_region))));
1834         region_edit_menu_split_item = &items.back();
1835
1836         items.push_back (MenuElem (_("Make mono regions"), (mem_fun(*this, &Editor::split_multichannel_region))));
1837         region_edit_menu_split_multichannel_item = &items.back();
1838
1839         items.push_back (MenuElem (_("Duplicate"), (bind (mem_fun(*this, &Editor::duplicate_dialog), true))));
1840         items.push_back (MenuElem (_("Fill Track"), (mem_fun(*this, &Editor::region_fill_track))));
1841         items.push_back (SeparatorElem());
1842         items.push_back (MenuElem (_("Remove"), mem_fun(*this, &Editor::remove_clicked_region)));
1843
1844         /* OK, stick the region submenu at the top of the list, and then add
1845            the standard items.
1846         */
1847
1848         /* we have to hack up the region name because "_" has a special
1849            meaning for menu titles.
1850         */
1851
1852         string::size_type pos = 0;
1853         string menu_item_name = region->name();
1854
1855         while ((pos = menu_item_name.find ("_", pos)) != string::npos) {
1856                 menu_item_name.replace (pos, 1, "__");
1857                 pos += 2;
1858         }
1859
1860         edit_items.push_back (MenuElem (menu_item_name, *region_menu));
1861         edit_items.push_back (SeparatorElem());
1862 }
1863
1864 void
1865 Editor::add_selection_context_items (Menu_Helpers::MenuList& edit_items)
1866 {
1867         using namespace Menu_Helpers;
1868         Menu     *selection_menu = manage (new Menu);
1869         MenuList& items       = selection_menu->items();
1870         selection_menu->set_name ("ArdourContextMenu");
1871
1872         items.push_back (MenuElem (_("Play range"), mem_fun(*this, &Editor::play_selection)));
1873         items.push_back (MenuElem (_("Loop range"), mem_fun(*this, &Editor::set_route_loop_selection)));
1874
1875 #ifdef FFT_ANALYSIS
1876         items.push_back (SeparatorElem());
1877         items.push_back (MenuElem (_("Analyze range"), mem_fun(*this, &Editor::analyze_range_selection)));
1878 #endif
1879
1880         items.push_back (SeparatorElem());
1881         items.push_back (MenuElem (_("Separate range to track"), mem_fun(*this, &Editor::separate_region_from_selection)));
1882         items.push_back (MenuElem (_("Separate range to region list"), mem_fun(*this, &Editor::new_region_from_selection)));
1883
1884         items.push_back (SeparatorElem());
1885         items.push_back (MenuElem (_("Select all in range"), mem_fun(*this, &Editor::select_all_selectables_using_time_selection)));
1886         items.push_back (SeparatorElem());
1887         items.push_back (MenuElem (_("Add Range Markers"), mem_fun (*this, &Editor::add_location_from_selection)));
1888         items.push_back (MenuElem (_("Set range to loop range"), mem_fun(*this, &Editor::set_selection_from_loop)));
1889         items.push_back (MenuElem (_("Set range to punch range"), mem_fun(*this, &Editor::set_selection_from_punch)));
1890         items.push_back (SeparatorElem());
1891         items.push_back (MenuElem (_("Crop region to range"), mem_fun(*this, &Editor::crop_region_to_selection)));
1892         items.push_back (MenuElem (_("Fill range with region"), mem_fun(*this, &Editor::region_fill_selection)));
1893         items.push_back (MenuElem (_("Duplicate range"), bind (mem_fun(*this, &Editor::duplicate_dialog), false)));
1894         items.push_back (MenuElem (_("Create chunk from range"), mem_fun(*this, &Editor::name_selection)));
1895         items.push_back (SeparatorElem());
1896         items.push_back (MenuElem (_("Bounce range"), mem_fun(*this, &Editor::bounce_range_selection)));
1897         items.push_back (MenuElem (_("Export range"), mem_fun(*this, &Editor::export_selection)));
1898
1899         edit_items.push_back (MenuElem (_("Range"), *selection_menu));
1900         edit_items.push_back (SeparatorElem());
1901 }
1902
1903 void
1904 Editor::add_dstream_context_items (Menu_Helpers::MenuList& edit_items)
1905 {
1906         using namespace Menu_Helpers;
1907
1908         /* Playback */
1909
1910         Menu *play_menu = manage (new Menu);
1911         MenuList& play_items = play_menu->items();
1912         play_menu->set_name ("ArdourContextMenu");
1913
1914         play_items.push_back (MenuElem (_("Play from edit cursor"), mem_fun(*this, &Editor::play_from_edit_cursor)));
1915         play_items.push_back (MenuElem (_("Play from start"), mem_fun(*this, &Editor::play_from_start)));
1916         play_items.push_back (MenuElem (_("Play region"), mem_fun(*this, &Editor::play_selected_region)));
1917         play_items.push_back (SeparatorElem());
1918         play_items.push_back (MenuElem (_("Loop Region"), mem_fun(*this, &Editor::loop_selected_region)));
1919
1920         edit_items.push_back (MenuElem (_("Play"), *play_menu));
1921
1922         /* Selection */
1923
1924         Menu *select_menu = manage (new Menu);
1925         MenuList& select_items = select_menu->items();
1926         select_menu->set_name ("ArdourContextMenu");
1927
1928         select_items.push_back (MenuElem (_("Select All in track"), bind (mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
1929         select_items.push_back (MenuElem (_("Select All"), bind (mem_fun(*this, &Editor::select_all), Selection::Set)));
1930         select_items.push_back (MenuElem (_("Invert selection in track"), mem_fun(*this, &Editor::invert_selection_in_track)));
1931         select_items.push_back (MenuElem (_("Invert selection"), mem_fun(*this, &Editor::invert_selection)));
1932         select_items.push_back (SeparatorElem());
1933         select_items.push_back (MenuElem (_("Set range to loop range"), mem_fun(*this, &Editor::set_selection_from_loop)));
1934         select_items.push_back (MenuElem (_("Set range to punch range"), mem_fun(*this, &Editor::set_selection_from_punch)));
1935         select_items.push_back (SeparatorElem());
1936         select_items.push_back (MenuElem (_("Select all after edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, true)));
1937         select_items.push_back (MenuElem (_("Select all before edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, false)));
1938         select_items.push_back (MenuElem (_("Select all after playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
1939         select_items.push_back (MenuElem (_("Select all before playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
1940         select_items.push_back (MenuElem (_("Select all between cursors"), bind (mem_fun(*this, &Editor::select_all_selectables_between_cursors), playhead_cursor, edit_cursor)));
1941         select_items.push_back (SeparatorElem());
1942
1943         edit_items.push_back (MenuElem (_("Select"), *select_menu));
1944
1945         /* Cut-n-Paste */
1946
1947         Menu *cutnpaste_menu = manage (new Menu);
1948         MenuList& cutnpaste_items = cutnpaste_menu->items();
1949         cutnpaste_menu->set_name ("ArdourContextMenu");
1950
1951         cutnpaste_items.push_back (MenuElem (_("Cut"), mem_fun(*this, &Editor::cut)));
1952         cutnpaste_items.push_back (MenuElem (_("Copy"), mem_fun(*this, &Editor::copy)));
1953         cutnpaste_items.push_back (MenuElem (_("Paste at edit cursor"), bind (mem_fun(*this, &Editor::paste), 1.0f)));
1954         cutnpaste_items.push_back (MenuElem (_("Paste at mouse"), mem_fun(*this, &Editor::mouse_paste)));
1955
1956         cutnpaste_items.push_back (SeparatorElem());
1957
1958         cutnpaste_items.push_back (MenuElem (_("Align"), bind (mem_fun(*this, &Editor::align), ARDOUR::SyncPoint)));
1959         cutnpaste_items.push_back (MenuElem (_("Align Relative"), bind (mem_fun(*this, &Editor::align_relative), ARDOUR::SyncPoint)));
1960
1961         cutnpaste_items.push_back (SeparatorElem());
1962
1963         cutnpaste_items.push_back (MenuElem (_("Insert chunk"), bind (mem_fun(*this, &Editor::paste_named_selection), 1.0f)));
1964
1965         edit_items.push_back (MenuElem (_("Edit"), *cutnpaste_menu));
1966
1967         /* Adding new material */
1968
1969         edit_items.push_back (SeparatorElem());
1970         edit_items.push_back (MenuElem (_("Insert Selected Region"), bind (mem_fun(*this, &Editor::insert_region_list_selection), 1.0f)));
1971         edit_items.push_back (MenuElem (_("Insert Existing Audio"), bind (mem_fun(*this, &Editor::add_external_audio_action), ImportToTrack)));
1972
1973         /* Nudge track */
1974
1975         Menu *nudge_menu = manage (new Menu());
1976         MenuList& nudge_items = nudge_menu->items();
1977         nudge_menu->set_name ("ArdourContextMenu");
1978
1979         edit_items.push_back (SeparatorElem());
1980         nudge_items.push_back (MenuElem (_("Nudge entire track fwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, true))));
1981         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor fwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, true))));
1982         nudge_items.push_back (MenuElem (_("Nudge entire track bwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, false))));
1983         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor bwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, false))));
1984
1985         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
1986 }
1987
1988 void
1989 Editor::add_bus_context_items (Menu_Helpers::MenuList& edit_items)
1990 {
1991         using namespace Menu_Helpers;
1992
1993         /* Playback */
1994
1995         Menu *play_menu = manage (new Menu);
1996         MenuList& play_items = play_menu->items();
1997         play_menu->set_name ("ArdourContextMenu");
1998
1999         play_items.push_back (MenuElem (_("Play from edit cursor"), mem_fun(*this, &Editor::play_from_edit_cursor)));
2000         play_items.push_back (MenuElem (_("Play from start"), mem_fun(*this, &Editor::play_from_start)));
2001         edit_items.push_back (MenuElem (_("Play"), *play_menu));
2002
2003         /* Selection */
2004
2005         Menu *select_menu = manage (new Menu);
2006         MenuList& select_items = select_menu->items();
2007         select_menu->set_name ("ArdourContextMenu");
2008
2009         select_items.push_back (MenuElem (_("Select All in track"), bind (mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
2010         select_items.push_back (MenuElem (_("Select All"), bind (mem_fun(*this, &Editor::select_all), Selection::Set)));
2011         select_items.push_back (MenuElem (_("Invert selection in track"), mem_fun(*this, &Editor::invert_selection_in_track)));
2012         select_items.push_back (MenuElem (_("Invert selection"), mem_fun(*this, &Editor::invert_selection)));
2013         select_items.push_back (SeparatorElem());
2014         select_items.push_back (MenuElem (_("Select all after edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, true)));
2015         select_items.push_back (MenuElem (_("Select all before edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, false)));
2016         select_items.push_back (MenuElem (_("Select all after playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
2017         select_items.push_back (MenuElem (_("Select all before playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
2018
2019         edit_items.push_back (MenuElem (_("Select"), *select_menu));
2020
2021         /* Cut-n-Paste */
2022
2023         Menu *cutnpaste_menu = manage (new Menu);
2024         MenuList& cutnpaste_items = cutnpaste_menu->items();
2025         cutnpaste_menu->set_name ("ArdourContextMenu");
2026
2027         cutnpaste_items.push_back (MenuElem (_("Cut"), mem_fun(*this, &Editor::cut)));
2028         cutnpaste_items.push_back (MenuElem (_("Copy"), mem_fun(*this, &Editor::copy)));
2029         cutnpaste_items.push_back (MenuElem (_("Paste"), bind (mem_fun(*this, &Editor::paste), 1.0f)));
2030
2031         Menu *nudge_menu = manage (new Menu());
2032         MenuList& nudge_items = nudge_menu->items();
2033         nudge_menu->set_name ("ArdourContextMenu");
2034
2035         edit_items.push_back (SeparatorElem());
2036         nudge_items.push_back (MenuElem (_("Nudge entire track fwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, true))));
2037         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor fwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, true))));
2038         nudge_items.push_back (MenuElem (_("Nudge entire track bwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, false))));
2039         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor bwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, false))));
2040
2041         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
2042 }
2043
2044 /* CURSOR SETTING AND MARKS AND STUFF */
2045
2046 void
2047 Editor::set_snap_to (SnapType st)
2048 {
2049         snap_type = st;
2050         string str = snap_type_strings[(int) st];
2051
2052         if (str != snap_type_selector.get_active_text()) {
2053                 snap_type_selector.set_active_text (str);
2054         }
2055
2056         instant_save ();
2057
2058         switch (snap_type) {
2059         case SnapToAThirtysecondBeat:
2060         case SnapToASixteenthBeat:
2061         case SnapToAEighthBeat:
2062         case SnapToAQuarterBeat:
2063         case SnapToAThirdBeat:
2064                 update_tempo_based_rulers ();
2065         default:
2066                 /* relax */
2067                 break;
2068     }
2069 }
2070
2071 void
2072 Editor::set_snap_mode (SnapMode mode)
2073 {
2074         snap_mode = mode;
2075         string str = snap_mode_strings[(int)mode];
2076
2077         if (str != snap_mode_selector.get_active_text ()) {
2078                 snap_mode_selector.set_active_text (str);
2079         }
2080
2081         instant_save ();
2082 }
2083
2084 int
2085 Editor::set_state (const XMLNode& node)
2086 {
2087         const XMLProperty* prop;
2088         XMLNode* geometry;
2089         int x, y, xoff, yoff;
2090         Gdk::Geometry g;
2091
2092         if ((prop = node.property ("id")) != 0) {
2093                 _id = prop->value ();
2094         }
2095
2096         if ((geometry = find_named_node (node, "geometry")) == 0) {
2097
2098                 g.base_width = default_width;
2099                 g.base_height = default_height;
2100                 x = 1;
2101                 y = 1;
2102                 xoff = 0;
2103                 yoff = 21;
2104
2105         } else {
2106
2107                 g.base_width = atoi(geometry->property("x_size")->value());
2108                 g.base_height = atoi(geometry->property("y_size")->value());
2109                 x = atoi(geometry->property("x_pos")->value());
2110                 y = atoi(geometry->property("y_pos")->value());
2111                 xoff = atoi(geometry->property("x_off")->value());
2112                 yoff = atoi(geometry->property("y_off")->value());
2113         }
2114
2115         set_default_size (g.base_width, g.base_height);
2116         move (x, y);
2117
2118         if ((prop = node.property ("zoom-focus"))) {
2119                 set_zoom_focus ((ZoomFocus) atoi (prop->value()));
2120         }
2121
2122         if ((prop = node.property ("zoom"))) {
2123                 set_frames_per_unit (PBD::atof (prop->value()));
2124         }
2125
2126         if ((prop = node.property ("snap-to"))) {
2127                 set_snap_to ((SnapType) atoi (prop->value()));
2128         }
2129
2130         if ((prop = node.property ("snap-mode"))) {
2131                 set_snap_mode ((SnapMode) atoi (prop->value()));
2132         }
2133
2134         if ((prop = node.property ("mouse-mode"))) {
2135                 MouseMode m = str2mousemode(prop->value());
2136                 mouse_mode = MouseMode ((int) m + 1); /* lie, force mode switch */
2137                 set_mouse_mode (m, true);
2138         } else {
2139                 mouse_mode = MouseGain; /* lie, to force the mode switch */
2140                 set_mouse_mode (MouseObject, true);
2141         }
2142
2143         if ((prop = node.property ("show-waveforms"))) {
2144                 bool yn = (prop->value() == "yes");
2145                 _show_waveforms = !yn;
2146                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleWaveformVisibility"));
2147                 if (act) {
2148                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2149                         /* do it twice to force the change */
2150                         tact->set_active (!yn);
2151                         tact->set_active (yn);
2152                 }
2153         }
2154
2155         if ((prop = node.property ("show-waveforms-recording"))) {
2156                 bool yn = (prop->value() == "yes");
2157                 _show_waveforms_recording = !yn;
2158                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleWaveformsWhileRecording"));
2159                 if (act) {
2160                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2161                         /* do it twice to force the change */
2162                         tact->set_active (!yn);
2163                         tact->set_active (yn);
2164                 }
2165         }
2166
2167         if ((prop = node.property ("show-measures"))) {
2168                 bool yn = (prop->value() == "yes");
2169                 _show_measures = !yn;
2170                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleMeasureVisibility"));
2171                 if (act) {
2172                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2173                         /* do it twice to force the change */
2174                         tact->set_active (!yn);
2175                         tact->set_active (yn);
2176                 }
2177         }
2178
2179         if ((prop = node.property ("follow-playhead"))) {
2180                 bool yn = (prop->value() == "yes");
2181                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
2182                 if (act) {
2183                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2184                         /* do it twice to force the change */
2185                         tact->set_active (!yn);
2186                         tact->set_active (yn);
2187                 }
2188         }
2189
2190
2191         if ((prop = node.property ("region-list-sort-type"))) {
2192                 region_list_sort_type = (Editing::RegionListSortType) -1; // force change
2193                 reset_region_list_sort_type(str2regionlistsorttype(prop->value()));
2194         }
2195
2196         if ((prop = node.property ("xfades-visible"))) {
2197                 bool yn = (prop->value() == "yes");
2198                 _xfade_visibility = !yn;
2199                 // set_xfade_visibility (yn);
2200         }
2201
2202         if ((prop = node.property ("show-editor-mixer"))) {
2203
2204                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2205                 if (act) {
2206
2207                         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2208                         bool yn = (prop->value() == X_("yes"));
2209
2210                         /* do it twice to force the change */
2211
2212                         tact->set_active (!yn);
2213                         tact->set_active (yn);
2214                 }
2215         }
2216
2217
2218         return 0;
2219 }
2220
2221 XMLNode&
2222 Editor::get_state ()
2223 {
2224         XMLNode* node = new XMLNode ("Editor");
2225         char buf[32];
2226
2227         _id.print (buf, sizeof (buf));
2228         node->add_property ("id", buf);
2229
2230         if (is_realized()) {
2231                 Glib::RefPtr<Gdk::Window> win = get_window();
2232
2233                 int x, y, xoff, yoff, width, height;
2234                 win->get_root_origin(x, y);
2235                 win->get_position(xoff, yoff);
2236                 win->get_size(width, height);
2237
2238                 XMLNode* geometry = new XMLNode ("geometry");
2239
2240                 snprintf(buf, sizeof(buf), "%d", width);
2241                 geometry->add_property("x_size", string(buf));
2242                 snprintf(buf, sizeof(buf), "%d", height);
2243                 geometry->add_property("y_size", string(buf));
2244                 snprintf(buf, sizeof(buf), "%d", x);
2245                 geometry->add_property("x_pos", string(buf));
2246                 snprintf(buf, sizeof(buf), "%d", y);
2247                 geometry->add_property("y_pos", string(buf));
2248                 snprintf(buf, sizeof(buf), "%d", xoff);
2249                 geometry->add_property("x_off", string(buf));
2250                 snprintf(buf, sizeof(buf), "%d", yoff);
2251                 geometry->add_property("y_off", string(buf));
2252                 snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (static_cast<Paned*>(&edit_pane)->gobj()));
2253                 geometry->add_property("edit_pane_pos", string(buf));
2254
2255                 node->add_child_nocopy (*geometry);
2256         }
2257
2258         snprintf (buf, sizeof(buf), "%d", (int) zoom_focus);
2259         node->add_property ("zoom-focus", buf);
2260         snprintf (buf, sizeof(buf), "%f", frames_per_unit);
2261         node->add_property ("zoom", buf);
2262         snprintf (buf, sizeof(buf), "%d", (int) snap_type);
2263         node->add_property ("snap-to", buf);
2264         snprintf (buf, sizeof(buf), "%d", (int) snap_mode);
2265         node->add_property ("snap-mode", buf);
2266
2267         node->add_property ("show-waveforms", _show_waveforms ? "yes" : "no");
2268         node->add_property ("show-waveforms-recording", _show_waveforms_recording ? "yes" : "no");
2269         node->add_property ("show-measures", _show_measures ? "yes" : "no");
2270         node->add_property ("follow-playhead", _follow_playhead ? "yes" : "no");
2271         node->add_property ("xfades-visible", _xfade_visibility ? "yes" : "no");
2272         node->add_property ("region-list-sort-type", enum2str(region_list_sort_type));
2273         node->add_property ("mouse-mode", enum2str(mouse_mode));
2274
2275         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2276         if (act) {
2277                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2278                 node->add_property (X_("show-editor-mixer"), tact->get_active() ? "yes" : "no");
2279         }
2280
2281         return *node;
2282 }
2283
2284
2285
2286 TimeAxisView *
2287 Editor::trackview_by_y_position (double y)
2288 {
2289         for (TrackViewList::iterator iter = track_views.begin(); iter != track_views.end(); ++iter) {
2290
2291                 TimeAxisView *tv;
2292
2293                 if ((tv = (*iter)->covers_y_position (y)) != 0) {
2294                         return tv;
2295                 }
2296         }
2297
2298         return 0;
2299 }
2300
2301 void
2302 Editor::snap_to (nframes_t& start, int32_t direction, bool for_mark)
2303 {
2304         Location* before = 0;
2305         Location* after = 0;
2306
2307         if (!session) {
2308                 return;
2309         }
2310
2311         const nframes_t one_second = session->frame_rate();
2312         const nframes_t one_minute = session->frame_rate() * 60;
2313         const nframes_t one_smpte_second = (nframes_t)(rint(session->smpte_frames_per_second()) * session->frames_per_smpte_frame());
2314         nframes_t one_smpte_minute = (nframes_t)(rint(session->smpte_frames_per_second()) * session->frames_per_smpte_frame() * 60);
2315         nframes_t presnap = start;
2316
2317         switch (snap_type) {
2318         case SnapToFrame:
2319                 break;
2320
2321         case SnapToCDFrame:
2322                 if (direction) {
2323                         start = (nframes_t) ceil ((double) start / (one_second / 75)) * (one_second / 75);
2324                 } else {
2325                         start = (nframes_t) floor ((double) start / (one_second / 75)) * (one_second / 75);
2326                 }
2327                 break;
2328
2329         case SnapToSMPTEFrame:
2330                 if (fmod((double)start, (double)session->frames_per_smpte_frame()) > (session->frames_per_smpte_frame() / 2)) {
2331                         start = (nframes_t) (ceil ((double) start / session->frames_per_smpte_frame()) * session->frames_per_smpte_frame());
2332                 } else {
2333                         start = (nframes_t) (floor ((double) start / session->frames_per_smpte_frame()) *  session->frames_per_smpte_frame());
2334                 }
2335                 break;
2336
2337         case SnapToSMPTESeconds:
2338                 if (session->smpte_offset_negative())
2339                 {
2340                         start += session->smpte_offset ();
2341                 } else {
2342                         start -= session->smpte_offset ();
2343                 }
2344                 if (start % one_smpte_second > one_smpte_second / 2) {
2345                         start = (nframes_t) ceil ((double) start / one_smpte_second) * one_smpte_second;
2346                 } else {
2347                         start = (nframes_t) floor ((double) start / one_smpte_second) * one_smpte_second;
2348                 }
2349
2350                 if (session->smpte_offset_negative())
2351                 {
2352                         start -= session->smpte_offset ();
2353                 } else {
2354                         start += session->smpte_offset ();
2355                 }
2356                 break;
2357
2358         case SnapToSMPTEMinutes:
2359                 if (session->smpte_offset_negative())
2360                 {
2361                         start += session->smpte_offset ();
2362                 } else {
2363                         start -= session->smpte_offset ();
2364                 }
2365                 if (start % one_smpte_minute > one_smpte_minute / 2) {
2366                         start = (nframes_t) ceil ((double) start / one_smpte_minute) * one_smpte_minute;
2367                 } else {
2368                         start = (nframes_t) floor ((double) start / one_smpte_minute) * one_smpte_minute;
2369                 }
2370                 if (session->smpte_offset_negative())
2371                 {
2372                         start -= session->smpte_offset ();
2373                 } else {
2374                         start += session->smpte_offset ();
2375                 }
2376                 break;
2377
2378         case SnapToSeconds:
2379                 if (start % one_second > one_second / 2) {
2380                         start = (nframes_t) ceil ((double) start / one_second) * one_second;
2381                 } else {
2382                         start = (nframes_t) floor ((double) start / one_second) * one_second;
2383                 }
2384                 break;
2385
2386         case SnapToMinutes:
2387                 if (start % one_minute > one_minute / 2) {
2388                         start = (nframes_t) ceil ((double) start / one_minute) * one_minute;
2389                 } else {
2390                         start = (nframes_t) floor ((double) start / one_minute) * one_minute;
2391                 }
2392                 break;
2393
2394         case SnapToBar:
2395                 start = session->tempo_map().round_to_bar (start, direction);
2396                 break;
2397
2398         case SnapToBeat:
2399                 start = session->tempo_map().round_to_beat (start, direction);
2400                 break;
2401
2402         case SnapToAThirtysecondBeat:
2403                 start = session->tempo_map().round_to_beat_subdivision (start, 32);
2404                 break;
2405
2406         case SnapToASixteenthBeat:
2407                 start = session->tempo_map().round_to_beat_subdivision (start, 16);
2408                 break;
2409
2410         case SnapToAEighthBeat:
2411                 start = session->tempo_map().round_to_beat_subdivision (start, 8);
2412                 break;
2413
2414         case SnapToAQuarterBeat:
2415                 start = session->tempo_map().round_to_beat_subdivision (start, 4);
2416                 break;
2417
2418         case SnapToAThirdBeat:
2419                 start = session->tempo_map().round_to_beat_subdivision (start, 3);
2420                 break;
2421
2422         case SnapToEditCursor:
2423                 start = edit_cursor->current_frame;
2424                 break;
2425
2426         case SnapToMark:
2427                 if (for_mark) {
2428                         return;
2429                 }
2430
2431                 before = session->locations()->first_location_before (start);
2432                 after = session->locations()->first_location_after (start);
2433
2434                 if (direction < 0) {
2435                         if (before) {
2436                                 start = before->start();
2437                         } else {
2438                                 start = 0;
2439                         }
2440                 } else if (direction > 0) {
2441                         if (after) {
2442                                 start = after->start();
2443                         } else {
2444                                 start = session->current_end_frame();
2445                         }
2446                 } else {
2447                         if (before) {
2448                                 if (after) {
2449                                         /* find nearest of the two */
2450                                         if ((start - before->start()) < (after->start() - start)) {
2451                                                 start = before->start();
2452                                         } else {
2453                                                 start = after->start();
2454                                         }
2455                                 } else {
2456                                         start = before->start();
2457                                 }
2458                         } else if (after) {
2459                                 start = after->start();
2460                         } else {
2461                                 /* relax */
2462                         }
2463                 }
2464                 break;
2465
2466         case SnapToRegionStart:
2467         case SnapToRegionEnd:
2468         case SnapToRegionSync:
2469         case SnapToRegionBoundary:
2470                 if (!region_boundary_cache.empty()) {
2471                         vector<nframes_t>::iterator i;
2472
2473                         if (direction > 0) {
2474                                 i = std::upper_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2475                         } else {
2476                                 i = std::lower_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2477                         }
2478
2479                         if (i != region_boundary_cache.end()) {
2480                                 start = *i;
2481                         } else {
2482                                 start = region_boundary_cache.back();
2483                         }
2484                 }
2485                 break;
2486         }
2487
2488         switch (snap_mode) {
2489         case SnapNormal:
2490                 return;
2491
2492         case SnapMagnetic:
2493
2494                 if (presnap > start) {
2495                         if (presnap > (start + unit_to_frame(snap_threshold))) {
2496                                 start = presnap;
2497                         }
2498
2499                 } else if (presnap < start) {
2500                         if (presnap < (start - unit_to_frame(snap_threshold))) {
2501                                 start = presnap;
2502                         }
2503                 }
2504
2505         default:
2506                 return;
2507
2508         }
2509 }
2510
2511 void
2512 Editor::setup_toolbar ()
2513 {
2514         string pixmap_path;
2515
2516         const guint32 FUDGE = 18; // Combo's are stupid - they steal space from the entry for the button
2517
2518
2519         /* Mode Buttons (tool selection) */
2520
2521         vector<ToggleButton *> mouse_mode_buttons;
2522
2523         mouse_move_button.add (*(manage (new Image (::get_icon("tool_object")))));
2524         mouse_move_button.set_relief(Gtk::RELIEF_NONE);
2525         mouse_mode_buttons.push_back (&mouse_move_button);
2526         mouse_select_button.add (*(manage (new Image (get_xpm("tool_range.xpm")))));
2527         mouse_select_button.set_relief(Gtk::RELIEF_NONE);
2528         mouse_mode_buttons.push_back (&mouse_select_button);
2529         mouse_gain_button.add (*(manage (new Image (::get_icon("tool_gain")))));
2530         mouse_gain_button.set_relief(Gtk::RELIEF_NONE);
2531         mouse_mode_buttons.push_back (&mouse_gain_button);
2532         mouse_zoom_button.add (*(manage (new Image (::get_icon("tool_zoom")))));
2533         mouse_zoom_button.set_relief(Gtk::RELIEF_NONE);
2534         mouse_mode_buttons.push_back (&mouse_zoom_button);
2535         mouse_timefx_button.add (*(manage (new Image (::get_icon("tool_stretch")))));
2536         mouse_timefx_button.set_relief(Gtk::RELIEF_NONE);
2537         mouse_mode_buttons.push_back (&mouse_timefx_button);
2538         mouse_audition_button.add (*(manage (new Image (::get_icon("tool_audition")))));
2539         mouse_audition_button.set_relief(Gtk::RELIEF_NONE);
2540         mouse_mode_buttons.push_back (&mouse_audition_button);
2541
2542         mouse_mode_button_set = new GroupedButtons (mouse_mode_buttons);
2543
2544         HBox* mode_box = manage(new HBox);
2545         mode_box->set_border_width (2);
2546         mode_box->set_spacing(4);
2547         mouse_mode_button_box.set_spacing(1);
2548         mouse_mode_button_box.pack_start(mouse_move_button, true, true);
2549         mouse_mode_button_box.pack_start(mouse_select_button, true, true);
2550         mouse_mode_button_box.pack_start(mouse_zoom_button, true, true);
2551         mouse_mode_button_box.pack_start(mouse_gain_button, true, true);
2552         mouse_mode_button_box.pack_start(mouse_timefx_button, true, true);
2553         mouse_mode_button_box.pack_start(mouse_audition_button, true, true);
2554         mouse_mode_button_box.set_homogeneous(true);
2555
2556         vector<string> edit_mode_strings;
2557         edit_mode_strings.push_back (edit_mode_to_string (Splice));
2558         edit_mode_strings.push_back (edit_mode_to_string (Slide));
2559
2560         edit_mode_selector.set_name ("EditModeSelector");
2561         Gtkmm2ext::set_size_request_to_display_given_text (edit_mode_selector, longest (edit_mode_strings).c_str(), 2+FUDGE, 10);
2562         set_popdown_strings (edit_mode_selector, edit_mode_strings);
2563         edit_mode_selector.signal_changed().connect (mem_fun(*this, &Editor::edit_mode_selection_done));
2564
2565         mode_box->pack_start(edit_mode_selector);
2566         mode_box->pack_start(mouse_mode_button_box);
2567
2568         mouse_mode_tearoff = manage (new TearOff (*mode_box));
2569         mouse_mode_tearoff->set_name ("MouseModeBase");
2570
2571         mouse_mode_tearoff->Detach.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2572                                                   &mouse_mode_tearoff->tearoff_window()));
2573         mouse_mode_tearoff->Attach.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2574                                                   &mouse_mode_tearoff->tearoff_window(), 1));
2575         mouse_mode_tearoff->Hidden.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2576                                                   &mouse_mode_tearoff->tearoff_window()));
2577         mouse_mode_tearoff->Visible.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2578                                                    &mouse_mode_tearoff->tearoff_window(), 1));
2579
2580         mouse_move_button.set_name ("MouseModeButton");
2581         mouse_select_button.set_name ("MouseModeButton");
2582         mouse_gain_button.set_name ("MouseModeButton");
2583         mouse_zoom_button.set_name ("MouseModeButton");
2584         mouse_timefx_button.set_name ("MouseModeButton");
2585         mouse_audition_button.set_name ("MouseModeButton");
2586
2587         ARDOUR_UI::instance()->tooltips().set_tip (mouse_move_button, _("Select/Move Objects"));
2588         ARDOUR_UI::instance()->tooltips().set_tip (mouse_select_button, _("Select/Move Ranges"));
2589         ARDOUR_UI::instance()->tooltips().set_tip (mouse_gain_button, _("Draw Gain Automation"));
2590         ARDOUR_UI::instance()->tooltips().set_tip (mouse_zoom_button, _("Select Zoom Range"));
2591         ARDOUR_UI::instance()->tooltips().set_tip (mouse_timefx_button, _("Stretch/Shrink Regions"));
2592         ARDOUR_UI::instance()->tooltips().set_tip (mouse_audition_button, _("Listen to Specific Regions"));
2593
2594         mouse_move_button.unset_flags (CAN_FOCUS);
2595         mouse_select_button.unset_flags (CAN_FOCUS);
2596         mouse_gain_button.unset_flags (CAN_FOCUS);
2597         mouse_zoom_button.unset_flags (CAN_FOCUS);
2598         mouse_timefx_button.unset_flags (CAN_FOCUS);
2599         mouse_audition_button.unset_flags (CAN_FOCUS);
2600
2601         mouse_select_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseRange));
2602         mouse_select_button.signal_button_release_event().connect (mem_fun(*this, &Editor::mouse_select_button_release));
2603
2604         mouse_move_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseObject));
2605         mouse_gain_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseGain));
2606         mouse_zoom_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseZoom));
2607         mouse_timefx_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseTimeFX));
2608         mouse_audition_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseAudition));
2609
2610         // mouse_move_button.set_active (true);
2611
2612
2613         /* Zoom */
2614
2615         zoom_box.set_spacing (1);
2616         zoom_box.set_border_width (2);
2617
2618         zoom_in_button.set_name ("EditorTimeButton");
2619         zoom_in_button.set_size_request(-1,16);
2620         zoom_in_button.add (*(manage (new Image (::get_icon("zoom_in")))));
2621         zoom_in_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::temporal_zoom_step), false));
2622         ARDOUR_UI::instance()->tooltips().set_tip (zoom_in_button, _("Zoom In"));
2623
2624         zoom_out_button.set_name ("EditorTimeButton");
2625         zoom_out_button.set_size_request(-1,16);
2626         zoom_out_button.add (*(manage (new Image (::get_icon("zoom_out")))));
2627         zoom_out_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::temporal_zoom_step), true));
2628         ARDOUR_UI::instance()->tooltips().set_tip (zoom_out_button, _("Zoom Out"));
2629
2630         zoom_out_full_button.set_name ("EditorTimeButton");
2631         zoom_out_full_button.set_size_request(-1,16);
2632         zoom_out_full_button.add (*(manage (new Image (::get_icon("zoom_full")))));
2633         zoom_out_full_button.signal_clicked().connect (mem_fun(*this, &Editor::temporal_zoom_session));
2634         ARDOUR_UI::instance()->tooltips().set_tip (zoom_out_full_button, _("Zoom to Session"));
2635
2636         zoom_focus_selector.set_name ("ZoomFocusSelector");
2637         Gtkmm2ext::set_size_request_to_display_given_text (zoom_focus_selector, "Edit Cursor", FUDGE, 0);
2638         set_popdown_strings (zoom_focus_selector, zoom_focus_strings);
2639         zoom_focus_selector.signal_changed().connect (mem_fun(*this, &Editor::zoom_focus_selection_done));
2640         ARDOUR_UI::instance()->tooltips().set_tip (zoom_focus_selector, _("Zoom focus"));
2641
2642         zoom_box.pack_start (zoom_focus_selector, true, true);
2643         zoom_box.pack_start (zoom_out_button, false, false);
2644         zoom_box.pack_start (zoom_in_button, false, false);
2645         zoom_box.pack_start (zoom_out_full_button, false, false);
2646
2647         /* Edit Cursor / Snap */
2648
2649         snap_box.set_spacing (1);
2650         snap_box.set_border_width (2);
2651
2652         snap_type_selector.set_name ("SnapTypeSelector");
2653         Gtkmm2ext::set_size_request_to_display_given_text (snap_type_selector, "SMPTE Seconds", 2+FUDGE, 10);
2654         set_popdown_strings (snap_type_selector, snap_type_strings);
2655         snap_type_selector.signal_changed().connect (mem_fun(*this, &Editor::snap_type_selection_done));
2656         ARDOUR_UI::instance()->tooltips().set_tip (snap_type_selector, _("Unit to snap cursors and ranges to"));
2657
2658         snap_mode_selector.set_name ("SnapModeSelector");
2659         Gtkmm2ext::set_size_request_to_display_given_text (snap_mode_selector, "Magnetic Snap", 2+FUDGE, 10);
2660         set_popdown_strings (snap_mode_selector, snap_mode_strings);
2661         snap_mode_selector.signal_changed().connect (mem_fun(*this, &Editor::snap_mode_selection_done));
2662
2663         snap_box.pack_start (edit_cursor_clock, false, false);
2664         snap_box.pack_start (snap_mode_selector, false, false);
2665         snap_box.pack_start (snap_type_selector, false, false);
2666
2667
2668         /* Nudge */
2669
2670         HBox *nudge_box = manage (new HBox);
2671         nudge_box->set_spacing(1);
2672         nudge_box->set_border_width (2);
2673
2674         nudge_forward_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::nudge_forward), false));
2675         nudge_backward_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::nudge_backward), false));
2676
2677         nudge_box->pack_start (nudge_backward_button, false, false);
2678         nudge_box->pack_start (nudge_forward_button, false, false);
2679         nudge_box->pack_start (nudge_clock, false, false);
2680
2681
2682         /* Pack everything in... */
2683
2684         HBox* hbox = new HBox;
2685         hbox->set_spacing(10);
2686
2687         tools_tearoff = new TearOff (*hbox);
2688         tools_tearoff->set_name ("MouseModeBase");
2689
2690         tools_tearoff->Detach.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2691                                              &tools_tearoff->tearoff_window()));
2692         tools_tearoff->Attach.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2693                                              &tools_tearoff->tearoff_window(), 0));
2694         tools_tearoff->Hidden.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2695                                              &tools_tearoff->tearoff_window()));
2696         tools_tearoff->Visible.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2697                                               &tools_tearoff->tearoff_window(), 0));
2698
2699         toolbar_hbox.set_spacing (10);
2700         toolbar_hbox.set_border_width (1);
2701
2702         toolbar_hbox.pack_start (*mouse_mode_tearoff, false, false);
2703         toolbar_hbox.pack_start (*tools_tearoff, false, false);
2704
2705
2706         hbox->pack_start (snap_box, false, false);
2707         // hbox->pack_start (zoom_box, false, false);
2708         hbox->pack_start (*nudge_box, false, false);
2709
2710         hbox->show_all ();
2711
2712         toolbar_base.set_name ("ToolBarBase");
2713         toolbar_base.add (toolbar_hbox);
2714
2715         toolbar_frame.set_shadow_type (SHADOW_OUT);
2716         toolbar_frame.set_name ("BaseFrame");
2717         toolbar_frame.add (toolbar_base);
2718 }
2719
2720 int
2721 Editor::convert_drop_to_paths (vector<ustring>& paths,
2722                                const RefPtr<Gdk::DragContext>& context,
2723                                gint                x,
2724                                gint                y,
2725                                const SelectionData& data,
2726                                guint               info,
2727                                guint               time)
2728
2729 {
2730         if (session == 0) {
2731                 return -1;
2732         }
2733
2734         vector<ustring> uris = data.get_uris();
2735
2736         if (uris.empty()) {
2737
2738                 /* This is seriously fucked up. Nautilus doesn't say that its URI lists
2739                    are actually URI lists. So do it by hand.
2740                 */
2741
2742                 if (data.get_target() != "text/plain") {
2743                         return -1;
2744                 }
2745
2746                 /* Parse the "uri-list" format that Nautilus provides,
2747                    where each pathname is delimited by \r\n
2748                 */
2749
2750                 const char* p = data.get_text().c_str();
2751                 const char* q;
2752
2753                 while (p)
2754                 {
2755                         if (*p != '#')
2756                         {
2757                                 while (g_ascii_isspace (*p))
2758                                         p++;
2759
2760                                 q = p;
2761                                 while (*q && (*q != '\n') && (*q != '\r'))
2762                                         q++;
2763
2764                                 if (q > p)
2765                                 {
2766                                         q--;
2767                                         while (q > p && g_ascii_isspace (*q))
2768                                                 q--;
2769
2770                                         if (q > p)
2771                                         {
2772                                                 uris.push_back (ustring (p, q - p + 1));
2773                                         }
2774                                 }
2775                         }
2776                         p = strchr (p, '\n');
2777                         if (p)
2778                                 p++;
2779                 }
2780
2781                 if (uris.empty()) {
2782                         return -1;
2783                 }
2784         }
2785
2786         for (vector<ustring>::iterator i = uris.begin(); i != uris.end(); ++i) {
2787                 if ((*i).substr (0,7) == "file://") {
2788                         string p = *i;
2789                         PBD::url_decode (p);
2790                         paths.push_back (p.substr (7));
2791                 }
2792         }
2793
2794         return 0;
2795 }
2796
2797 void
2798 Editor::new_tempo_section ()
2799
2800 {
2801 }
2802
2803 void
2804 Editor::map_transport_state ()
2805 {
2806         ENSURE_GUI_THREAD (mem_fun(*this, &Editor::map_transport_state));
2807
2808         if (session->transport_stopped()) {
2809                 have_pending_keyboard_selection = false;
2810         }
2811 }
2812
2813 /* UNDO/REDO */
2814
2815 Editor::State::State ()
2816 {
2817         selection = new Selection;
2818 }
2819
2820 Editor::State::~State ()
2821 {
2822         delete selection;
2823 }
2824
2825 UndoAction
2826 Editor::get_memento () const
2827 {
2828         State *state = new State;
2829
2830         store_state (*state);
2831         return bind (mem_fun (*(const_cast<Editor*>(this)), &Editor::restore_state), state);
2832 }
2833
2834 void
2835 Editor::store_state (State& state) const
2836 {
2837         *state.selection = *selection;
2838 }
2839
2840 void
2841 Editor::restore_state (State *state)
2842 {
2843         if (*selection == *state->selection) {
2844                 return;
2845         }
2846
2847         *selection = *state->selection;
2848         time_selection_changed ();
2849         region_selection_changed ();
2850
2851         /* XXX other selection change handlers? */
2852 }
2853
2854 void
2855 Editor::begin_reversible_command (string name)
2856 {
2857         if (session) {
2858                 before = &get_state();
2859                 session->begin_reversible_command (name);
2860         }
2861 }
2862
2863 void
2864 Editor::commit_reversible_command ()
2865 {
2866         if (session) {
2867                 session->commit_reversible_command (new MementoCommand<Editor>(*this, before, &get_state()));
2868         }
2869 }
2870
2871 struct TrackViewByPositionSorter
2872 {
2873     bool operator() (const TimeAxisView* a, const TimeAxisView *b) {
2874             return a->y_position < b->y_position;
2875     }
2876 };
2877
2878 bool
2879 Editor::extend_selection_to_track (TimeAxisView& view)
2880 {
2881         if (selection->selected (&view)) {
2882                 /* already selected, do nothing */
2883                 return false;
2884         }
2885
2886         if (selection->tracks.empty()) {
2887
2888                 if (!selection->selected (&view)) {
2889                         selection->set (&view);
2890                         return true;
2891                 } else {
2892                         return false;
2893                 }
2894         }
2895
2896         /* something is already selected, so figure out which range of things to add */
2897
2898         TrackViewList to_be_added;
2899         TrackViewList sorted = track_views;
2900         TrackViewByPositionSorter cmp;
2901         bool passed_clicked = false;
2902         bool forwards;
2903
2904         sorted.sort (cmp);
2905
2906         if (!selection->selected (&view)) {
2907                 to_be_added.push_back (&view);
2908         }
2909
2910         /* figure out if we should go forward or backwards */
2911
2912         for (TrackViewList::iterator i = sorted.begin(); i != sorted.end(); ++i) {
2913
2914                 if ((*i) == &view) {
2915                         passed_clicked = true;
2916                 }
2917
2918                 if (selection->selected (*i)) {
2919                         if (passed_clicked) {
2920                                 forwards = true;
2921                         } else {
2922                                 forwards = false;
2923                         }
2924                         break;
2925                 }
2926         }
2927
2928         passed_clicked = false;
2929
2930         if (forwards) {
2931
2932                 for (TrackViewList::iterator i = sorted.begin(); i != sorted.end(); ++i) {
2933
2934                         if ((*i) == &view) {
2935                                 passed_clicked = true;
2936                                 continue;
2937                         }
2938
2939                         if (passed_clicked) {
2940                                 if ((*i)->hidden()) {
2941                                         continue;
2942                                 }
2943                                 if (selection->selected (*i)) {
2944                                         break;
2945                                 } else if (!(*i)->hidden()) {
2946                                         to_be_added.push_back (*i);
2947                                 }
2948                         }
2949                 }
2950
2951         } else {
2952
2953                 for (TrackViewList::reverse_iterator r = sorted.rbegin(); r != sorted.rend(); ++r) {
2954
2955                         if ((*r) == &view) {
2956                                 passed_clicked = true;
2957                                 continue;
2958                         }
2959
2960                         if (passed_clicked) {
2961
2962                                 if ((*r)->hidden()) {
2963                                         continue;
2964                                 }
2965
2966                                 if (selection->selected (*r)) {
2967                                         break;
2968                                 } else if (!(*r)->hidden()) {
2969                                         to_be_added.push_back (*r);
2970                                 }
2971                         }
2972                 }
2973         }
2974
2975         if (!to_be_added.empty()) {
2976                 selection->add (to_be_added);
2977                 return true;
2978         }
2979
2980         return false;
2981 }
2982
2983
2984 bool
2985 Editor::set_selected_track (TimeAxisView& view, Selection::Operation op, bool no_remove)
2986 {
2987         bool commit = false;
2988
2989         switch (op) {
2990         case Selection::Toggle:
2991                 if (selection->selected (&view)) {
2992                         if (!no_remove) {
2993                                 selection->remove (&view);
2994                                 commit = true;
2995                         }
2996                 } else {
2997                         selection->add (&view);
2998                         commit = false;
2999                 }
3000                 break;
3001
3002         case Selection::Add:
3003                 if (!selection->selected (&view)) {
3004                         selection->add (&view);
3005                         commit = true;
3006                 }
3007                 break;
3008
3009         case Selection::Set:
3010                 if (selection->selected (&view) && selection->tracks.size() == 1) {
3011                         /* no commit necessary */
3012                 } else {
3013                         selection->set (&view);
3014                         commit = true;
3015                 }
3016                 break;
3017
3018         case Selection::Extend:
3019                 commit = extend_selection_to_track (view);
3020                 break;
3021         }
3022
3023         return commit;
3024 }
3025
3026 bool
3027 Editor::set_selected_track_from_click (Selection::Operation op, bool no_remove)
3028 {
3029         if (!clicked_routeview) {
3030                 return false;
3031         }
3032
3033         return set_selected_track (*clicked_routeview, op, no_remove);
3034 }
3035
3036 bool
3037 Editor::set_selected_control_point_from_click (Selection::Operation op, bool no_remove)
3038 {
3039         if (!clicked_control_point) {
3040                 return false;
3041         }
3042
3043         /* select this point and any others that it represents */
3044
3045         double y1, y2;
3046         nframes_t x1, x2;
3047
3048         x1 = pixel_to_frame (clicked_control_point->get_x() - 10);
3049         x2 = pixel_to_frame (clicked_control_point->get_x() + 10);
3050         y1 = clicked_control_point->get_x() - 10;
3051         y2 = clicked_control_point->get_y() + 10;
3052
3053         return select_all_within (x1, x2, y1, y2, op);
3054 }
3055
3056 void
3057 Editor::get_relevant_tracks (set<RouteTimeAxisView*>& relevant_tracks)
3058 {
3059         /* step one: get all selected tracks and all tracks in the relevant edit groups */
3060
3061         for (TrackSelection::iterator ti = selection->tracks.begin(); ti != selection->tracks.end(); ++ti) {
3062
3063                 RouteTimeAxisView* atv = dynamic_cast<RouteTimeAxisView*>(*ti);
3064
3065                 if (!atv) {
3066                         continue;
3067                 }
3068
3069                 RouteGroup* group = atv->route()->edit_group();
3070
3071                 if (group && group->is_active()) {
3072
3073                         /* active group for this track, loop over all tracks and get every member of the group */
3074
3075                         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3076
3077                                 RouteTimeAxisView* tatv;
3078
3079                                 if ((tatv = dynamic_cast<RouteTimeAxisView*> (*i)) != 0) {
3080
3081                                         if (tatv->route()->edit_group() == group) {
3082                                                 relevant_tracks.insert (tatv);
3083                                         }
3084                                 }
3085                         }
3086                 } else {
3087                         relevant_tracks.insert (atv);
3088                 }
3089         }
3090 }
3091
3092 void
3093 Editor::mapover_tracks (slot<void,RouteTimeAxisView&,uint32_t> sl)
3094 {
3095         set<RouteTimeAxisView*> relevant_tracks;
3096
3097         get_relevant_tracks (relevant_tracks);
3098
3099         uint32_t sz = relevant_tracks.size();
3100
3101         for (set<RouteTimeAxisView*>::iterator ati = relevant_tracks.begin(); ati != relevant_tracks.end(); ++ati) {
3102                 sl (**ati, sz);
3103         }
3104 }
3105
3106 void
3107 Editor::mapped_set_selected_regionview_from_click (RouteTimeAxisView& tv, uint32_t ignored,
3108                                                    RegionView* basis, vector<RegionView*>* all_equivs)
3109 {
3110         boost::shared_ptr<Playlist> pl;
3111         vector<boost::shared_ptr<Region> > results;
3112         RegionView* marv;
3113         boost::shared_ptr<Diskstream> ds;
3114
3115         if ((ds = tv.get_diskstream()) == 0) {
3116                 /* bus */
3117                 return;
3118         }
3119
3120         if (&tv == &basis->get_time_axis_view()) {
3121                 /* looking in same track as the original */
3122                 return;
3123         }
3124
3125
3126         if ((pl = ds->playlist()) != 0) {
3127                 pl->get_equivalent_regions (basis->region(), results);
3128         }
3129
3130         for (vector<boost::shared_ptr<Region> >::iterator ir = results.begin(); ir != results.end(); ++ir) {
3131                 if ((marv = tv.view()->find_view (*ir)) != 0) {
3132                         all_equivs->push_back (marv);
3133                 }
3134         }
3135 }
3136
3137 bool
3138 Editor::set_selected_regionview_from_click (bool press, Selection::Operation op, bool no_track_remove)
3139 {
3140         vector<RegionView*> all_equivalent_regions;
3141         bool commit = false;
3142
3143         if (!clicked_regionview || !clicked_routeview) {
3144                 return false;
3145         }
3146
3147         if (op == Selection::Toggle || op == Selection::Set) {
3148
3149                 mapover_tracks (bind (mem_fun (*this, &Editor::mapped_set_selected_regionview_from_click),
3150                                             clicked_regionview, &all_equivalent_regions));
3151
3152
3153                 /* add clicked regionview since we skipped all other regions in the same track as the one it was in */
3154
3155                 all_equivalent_regions.push_back (clicked_regionview);
3156
3157                 switch (op) {
3158                 case Selection::Toggle:
3159
3160                         if (clicked_regionview->get_selected()) {
3161                                 if (press) {
3162
3163                                         /* whatever was clicked was selected already; do nothing here but allow
3164                                            the button release to deselect it
3165                                         */
3166
3167                                         button_release_can_deselect = true;
3168
3169                                 } else {
3170
3171                                         if (button_release_can_deselect) {
3172
3173                                                 /* just remove this one region, but only on a permitted button release */
3174
3175                                                 selection->remove (clicked_regionview);
3176                                                 commit = true;
3177
3178                                                 /* no more deselect action on button release till a new press
3179                                                    finds an already selected object.
3180                                                 */
3181
3182                                                 button_release_can_deselect = false;
3183                                         }
3184                                 }
3185
3186                         } else {
3187
3188                                 if (press) {
3189                                         /* add all the equivalent regions, but only on button press */
3190
3191                                         if (!all_equivalent_regions.empty()) {
3192                                                 commit = true;
3193                                         }
3194
3195                                         for (vector<RegionView*>::iterator i = all_equivalent_regions.begin(); i != all_equivalent_regions.end(); ++i) {
3196                                                 selection->add (*i);
3197                                         }
3198                                 }
3199                         }
3200                         break;
3201
3202                 case Selection::Set:
3203                         if (!clicked_regionview->get_selected()) {
3204                                 selection->set (all_equivalent_regions);
3205                                 commit = true;
3206                         } else {
3207                                 /* no commit necessary: clicked on an already selected region */
3208                                 goto out;
3209                         }
3210                         break;
3211
3212                 default:
3213                         /* silly compiler */
3214                         break;
3215                 }
3216
3217         } else if (op == Selection::Extend) {
3218
3219                 list<Selectable*> results;
3220                 nframes_t last_frame;
3221                 nframes_t first_frame;
3222
3223                 /* 1. find the last selected regionview in the track that was clicked in */
3224
3225                 last_frame = 0;
3226                 first_frame = max_frames;
3227
3228                 for (RegionSelection::iterator x = selection->regions.begin(); x != selection->regions.end(); ++x) {
3229                         if (&(*x)->get_time_axis_view() == &clicked_regionview->get_time_axis_view()) {
3230
3231                                 if ((*x)->region()->last_frame() > last_frame) {
3232                                         last_frame = (*x)->region()->last_frame();
3233                                 }
3234
3235                                 if ((*x)->region()->first_frame() < first_frame) {
3236                                         first_frame = (*x)->region()->first_frame();
3237                                 }
3238                         }
3239                 }
3240
3241                 /* 2. figure out the boundaries for our search for new objects */
3242
3243                 switch (clicked_regionview->region()->coverage (first_frame, last_frame)) {
3244                 case OverlapNone:
3245                         if (last_frame < clicked_regionview->region()->first_frame()) {
3246                                 first_frame = last_frame;
3247                                 last_frame = clicked_regionview->region()->last_frame();
3248                         } else {
3249                                 last_frame = first_frame;
3250                                 first_frame = clicked_regionview->region()->first_frame();
3251                         }
3252                         break;
3253
3254                 case OverlapExternal:
3255                         if (last_frame < clicked_regionview->region()->first_frame()) {
3256                                 first_frame = last_frame;
3257                                 last_frame = clicked_regionview->region()->last_frame();
3258                         } else {
3259                                 last_frame = first_frame;
3260                                 first_frame = clicked_regionview->region()->first_frame();
3261                         }
3262                         break;
3263
3264                 case OverlapInternal:
3265                         if (last_frame < clicked_regionview->region()->first_frame()) {
3266                                 first_frame = last_frame;
3267                                 last_frame = clicked_regionview->region()->last_frame();
3268                         } else {
3269                                 last_frame = first_frame;
3270                                 first_frame = clicked_regionview->region()->first_frame();
3271                         }
3272                         break;
3273
3274                 case OverlapStart:
3275                 case OverlapEnd:
3276                         /* nothing to do except add clicked region to selection, since it
3277                            overlaps with the existing selection in this track.
3278                         */
3279                         break;
3280                 }
3281
3282                 /* 2. find all selectable objects (regionviews in this case) between that one and the end of the
3283                       one that was clicked.
3284                 */
3285
3286                 set<RouteTimeAxisView*> relevant_tracks;
3287
3288                 get_relevant_tracks (relevant_tracks);
3289
3290                 for (set<RouteTimeAxisView*>::iterator t = relevant_tracks.begin(); t != relevant_tracks.end(); ++t) {
3291                         (*t)->get_selectables (first_frame, last_frame, -1.0, -1.0, results);
3292                 }
3293
3294                 /* 3. convert to a vector of audio regions */
3295
3296                 vector<RegionView*> regions;
3297
3298                 for (list<Selectable*>::iterator x = results.begin(); x != results.end(); ++x) {
3299                         RegionView* arv;
3300
3301                         if ((arv = dynamic_cast<RegionView*>(*x)) != 0) {
3302                                 regions.push_back (arv);
3303                         }
3304                 }
3305
3306                 if (!regions.empty()) {
3307                         selection->add (regions);
3308                         commit = true;
3309                 }
3310         }
3311
3312   out:
3313         return commit;
3314 }
3315
3316 void
3317 Editor::set_selected_regionview_from_region_list (boost::shared_ptr<Region> region, Selection::Operation op)
3318 {
3319         vector<RegionView*> all_equivalent_regions;
3320
3321         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3322
3323                 RouteTimeAxisView* tatv;
3324
3325                 if ((tatv = dynamic_cast<RouteTimeAxisView*> (*i)) != 0) {
3326
3327                         boost::shared_ptr<Playlist> pl;
3328                         vector<boost::shared_ptr<Region> > results;
3329                         RegionView* marv;
3330                         boost::shared_ptr<Diskstream> ds;
3331
3332                         if ((ds = tatv->get_diskstream()) == 0) {
3333                                 /* bus */
3334                                 continue;
3335                         }
3336
3337                         if ((pl = (ds->playlist())) != 0) {
3338                                 pl->get_region_list_equivalent_regions (region, results);
3339                         }
3340
3341                         for (vector<boost::shared_ptr<Region> >::iterator ir = results.begin(); ir != results.end(); ++ir) {
3342                                 if ((marv = tatv->view()->find_view (*ir)) != 0) {
3343                                         all_equivalent_regions.push_back (marv);
3344                                 }
3345                         }
3346
3347                 }
3348         }
3349
3350         begin_reversible_command (_("set selected regions"));
3351
3352         switch (op) {
3353         case Selection::Toggle:
3354                 /* XXX this is not correct */
3355                 selection->toggle (all_equivalent_regions);
3356                 break;
3357         case Selection::Set:
3358                 selection->set (all_equivalent_regions);
3359                 break;
3360         case Selection::Extend:
3361                 selection->add (all_equivalent_regions);
3362                 break;
3363         case Selection::Add:
3364                 selection->add (all_equivalent_regions);
3365                 break;
3366         }
3367
3368         commit_reversible_command () ;
3369 }
3370
3371 bool
3372 Editor::set_selected_regionview_from_map_event (GdkEventAny* ev, StreamView* sv, boost::weak_ptr<Region> weak_r)
3373 {
3374         RegionView* rv;
3375         boost::shared_ptr<Region> r (weak_r.lock());
3376
3377         if (!r) {
3378                 return true;
3379         }
3380
3381         boost::shared_ptr<AudioRegion> ar;
3382
3383         if ((ar = boost::dynamic_pointer_cast<AudioRegion> (r)) == 0) {
3384                 return true;
3385         }
3386
3387         if ((rv = sv->find_view (ar)) == 0) {
3388                 return true;
3389         }
3390
3391         /* don't reset the selection if its something other than
3392            a single other region.
3393         */
3394
3395         if (selection->regions.size() > 1) {
3396                 return true;
3397         }
3398
3399         begin_reversible_command (_("set selected regions"));
3400
3401         selection->set (rv);
3402
3403         commit_reversible_command () ;
3404
3405         return true;
3406 }
3407
3408 void
3409 Editor::set_edit_group_solo (Route& route, bool yn)
3410 {
3411         RouteGroup *edit_group;
3412
3413         if ((edit_group = route.edit_group()) != 0) {
3414                 edit_group->apply (&Route::set_solo, yn, this);
3415         } else {
3416                 route.set_solo (yn, this);
3417         }
3418 }
3419
3420 void
3421 Editor::set_edit_group_mute (Route& route, bool yn)
3422 {
3423         RouteGroup *edit_group = 0;
3424
3425         if ((edit_group == route.edit_group()) != 0) {
3426                 edit_group->apply (&Route::set_mute, yn, this);
3427         } else {
3428                 route.set_mute (yn, this);
3429         }
3430 }
3431
3432 void
3433 Editor::history_changed ()
3434 {
3435         string label;
3436
3437         if (undo_action && session) {
3438                 if (session->undo_depth() == 0) {
3439                         label = _("Undo");
3440                 } else {
3441                         label = string_compose(_("Undo (%1)"), session->next_undo());
3442                 }
3443                 undo_action->property_label() = label;
3444         }
3445
3446         if (redo_action && session) {
3447                 if (session->redo_depth() == 0) {
3448                         label = _("Redo");
3449                 } else {
3450                         label = string_compose(_("Redo (%1)"), session->next_redo());
3451                 }
3452                 redo_action->property_label() = label;
3453         }
3454 }
3455
3456 void
3457 Editor::duplicate_dialog (bool dup_region)
3458 {
3459         if (dup_region) {
3460                 if (clicked_regionview == 0) {
3461                         return;
3462                 }
3463         } else {
3464                 if (selection->time.length() == 0) {
3465                         return;
3466                 }
3467         }
3468
3469         ArdourDialog win ("duplicate dialog");
3470         Entry  entry;
3471         Label  label (_("Duplicate how many times?"));
3472
3473         win.get_vbox()->pack_start (label);
3474         win.add_action_widget (entry, RESPONSE_ACCEPT);
3475         win.add_button (Stock::OK, RESPONSE_ACCEPT);
3476         win.add_button (Stock::CANCEL, RESPONSE_CANCEL);
3477
3478         win.set_position (WIN_POS_MOUSE);
3479
3480         entry.set_text ("1");
3481         set_size_request_to_display_given_text (entry, X_("12345678"), 20, 15);
3482         entry.select_region (0, -1);
3483         entry.grab_focus ();
3484
3485
3486         switch (win.run ()) {
3487         case RESPONSE_ACCEPT:
3488                 break;
3489         default:
3490                 return;
3491         }
3492
3493         string text = entry.get_text();
3494         float times;
3495
3496         if (sscanf (text.c_str(), "%f", &times) == 1) {
3497                 if (dup_region) {
3498                         RegionSelection regions;
3499                         regions.add (clicked_regionview);
3500                         duplicate_some_regions (regions, times);
3501                 } else {
3502                         duplicate_selection (times);
3503                 }
3504         }
3505 }
3506
3507 void
3508 Editor::show_verbose_canvas_cursor ()
3509 {
3510         verbose_canvas_cursor->raise_to_top();
3511         verbose_canvas_cursor->show();
3512         verbose_cursor_visible = true;
3513 }
3514
3515 void
3516 Editor::hide_verbose_canvas_cursor ()
3517 {
3518         verbose_canvas_cursor->hide();
3519         verbose_cursor_visible = false;
3520 }
3521
3522 void
3523 Editor::set_verbose_canvas_cursor (const string & txt, double x, double y)
3524 {
3525         /* XXX get origin of canvas relative to root window,
3526            add x and y and check compared to gdk_screen_{width,height}
3527         */
3528         verbose_canvas_cursor->property_text() = txt.c_str();
3529         verbose_canvas_cursor->property_x() = x;
3530         verbose_canvas_cursor->property_y() = y;
3531 }
3532
3533 void
3534 Editor::set_verbose_canvas_cursor_text (const string & txt)
3535 {
3536         verbose_canvas_cursor->property_text() = txt.c_str();
3537 }
3538
3539 void
3540 Editor::edit_mode_selection_done ()
3541 {
3542         if (session == 0) {
3543                 return;
3544         }
3545
3546         string choice = edit_mode_selector.get_active_text();
3547         EditMode mode = Slide;
3548
3549         if (choice == _("Splice Edit")) {
3550                 mode = Splice;
3551         } else if (choice == _("Slide Edit")) {
3552                 mode = Slide;
3553         }
3554
3555         Config->set_edit_mode (mode);
3556 }
3557
3558 void
3559 Editor::snap_type_selection_done ()
3560 {
3561         string choice = snap_type_selector.get_active_text();
3562         SnapType snaptype = SnapToFrame;
3563
3564         if (choice == _("Beats/3")) {
3565                 snaptype = SnapToAThirdBeat;
3566         } else if (choice == _("Beats/4")) {
3567                 snaptype = SnapToAQuarterBeat;
3568         } else if (choice == _("Beats/8")) {
3569                 snaptype = SnapToAEighthBeat;
3570         } else if (choice == _("Beats/16")) {
3571                 snaptype = SnapToASixteenthBeat;
3572         } else if (choice == _("Beats/32")) {
3573                 snaptype = SnapToAThirtysecondBeat;
3574         } else if (choice == _("Beats")) {
3575                 snaptype = SnapToBeat;
3576         } else if (choice == _("Bars")) {
3577                 snaptype = SnapToBar;
3578         } else if (choice == _("Marks")) {
3579                 snaptype = SnapToMark;
3580         } else if (choice == _("Edit Cursor")) {
3581                 snaptype = SnapToEditCursor;
3582         } else if (choice == _("Region starts")) {
3583                 snaptype = SnapToRegionStart;
3584         } else if (choice == _("Region ends")) {
3585                 snaptype = SnapToRegionEnd;
3586         } else if (choice == _("Region bounds")) {
3587                 snaptype = SnapToRegionBoundary;
3588         } else if (choice == _("Region syncs")) {
3589                 snaptype = SnapToRegionSync;
3590         } else if (choice == _("CD Frames")) {
3591                 snaptype = SnapToCDFrame;
3592         } else if (choice == _("SMPTE Frames")) {
3593                 snaptype = SnapToSMPTEFrame;
3594         } else if (choice == _("SMPTE Seconds")) {
3595                 snaptype = SnapToSMPTESeconds;
3596         } else if (choice == _("SMPTE Minutes")) {
3597                 snaptype = SnapToSMPTEMinutes;
3598         } else if (choice == _("Seconds")) {
3599                 snaptype = SnapToSeconds;
3600         } else if (choice == _("Minutes")) {
3601                 snaptype = SnapToMinutes;
3602         } else if (choice == _("None")) {
3603                 snaptype = SnapToFrame;
3604         }
3605
3606         RefPtr<RadioAction> ract = snap_type_action (snaptype);
3607         if (ract) {
3608                 ract->set_active ();
3609         }
3610 }
3611
3612 void
3613 Editor::snap_mode_selection_done ()
3614 {
3615         string choice = snap_mode_selector.get_active_text();
3616         SnapMode mode = SnapNormal;
3617
3618         if (choice == _("Normal")) {
3619                 mode = SnapNormal;
3620         } else if (choice == _("Magnetic")) {
3621                 mode = SnapMagnetic;
3622         }
3623
3624         RefPtr<RadioAction> ract = snap_mode_action (mode);
3625
3626         if (ract) {
3627                 ract->set_active (true);
3628         }
3629 }
3630
3631 void
3632 Editor::zoom_focus_selection_done ()
3633 {
3634         string choice = zoom_focus_selector.get_active_text();
3635         ZoomFocus focus_type = ZoomFocusLeft;
3636
3637         if (choice == _("Left")) {
3638                 focus_type = ZoomFocusLeft;
3639         } else if (choice == _("Right")) {
3640                 focus_type = ZoomFocusRight;
3641         } else if (choice == _("Center")) {
3642                 focus_type = ZoomFocusCenter;
3643         } else if (choice == _("Playhead")) {
3644                 focus_type = ZoomFocusPlayhead;
3645         } else if (choice == _("Edit Cursor")) {
3646                 focus_type = ZoomFocusEdit;
3647         }
3648
3649         RefPtr<RadioAction> ract = zoom_focus_action (focus_type);
3650
3651         if (ract) {
3652                 ract->set_active ();
3653         }
3654 }
3655
3656 gint
3657 Editor::edit_controls_button_release (GdkEventButton* ev)
3658 {
3659         if (Keyboard::is_context_menu_event (ev)) {
3660                 ARDOUR_UI::instance()->add_route ();
3661         }
3662         return TRUE;
3663 }
3664
3665 void
3666 Editor::track_selection_changed ()
3667 {
3668         switch (selection->tracks.size()){
3669         case 0:
3670                 break;
3671         default:
3672                 set_selected_mixer_strip (*(selection->tracks.front()));
3673                 break;
3674         }
3675
3676         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3677                 (*i)->set_selected (false);
3678                 if (mouse_mode == MouseRange) {
3679                         (*i)->hide_selection ();
3680                 }
3681         }
3682
3683         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
3684                 (*i)->set_selected (true);
3685                 if (mouse_mode == MouseRange) {
3686                         (*i)->show_selection (selection->time);
3687                 }
3688         }
3689 }
3690
3691 void
3692 Editor::time_selection_changed ()
3693 {
3694         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3695                 (*i)->hide_selection ();
3696         }
3697
3698         if (selection->tracks.empty()) {
3699                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3700                         (*i)->show_selection (selection->time);
3701                 }
3702         } else {
3703                 for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
3704                         (*i)->show_selection (selection->time);
3705                 }
3706         }
3707
3708         if (selection->time.empty()) {
3709                 ActionManager::set_sensitive (ActionManager::time_selection_sensitive_actions, false);
3710         } else {
3711                 ActionManager::set_sensitive (ActionManager::time_selection_sensitive_actions, true);
3712         }
3713 }
3714
3715 void
3716 Editor::region_selection_changed ()
3717 {
3718         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3719                 (*i)->set_selected_regionviews (selection->regions);
3720         }
3721 }
3722
3723 void
3724 Editor::point_selection_changed ()
3725 {
3726         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3727                 (*i)->set_selected_points (selection->points);
3728         }
3729 }
3730
3731 gint
3732 Editor::mouse_select_button_release (GdkEventButton* ev)
3733 {
3734         /* this handles just right-clicks */
3735
3736         if (ev->button != 3) {
3737                 return FALSE;
3738         }
3739
3740         return TRUE;
3741 }
3742
3743 Editor::TrackViewList *
3744 Editor::get_valid_views (TimeAxisView* track, RouteGroup* group)
3745 {
3746         TrackViewList *v;
3747         TrackViewList::iterator i;
3748
3749         v = new TrackViewList;
3750
3751         if (track == 0 && group == 0) {
3752
3753                 /* all views */
3754
3755                 for (i = track_views.begin(); i != track_views.end (); ++i) {
3756                         v->push_back (*i);
3757                 }
3758
3759         } else if (track != 0 && group == 0 || (track != 0 && group != 0 && !group->is_active())) {
3760
3761                 /* just the view for this track
3762                  */
3763
3764                 v->push_back (track);
3765
3766         } else {
3767
3768                 /* views for all tracks in the edit group */
3769
3770                 for (i  = track_views.begin(); i != track_views.end (); ++i) {
3771
3772                         if (group == 0 || (*i)->edit_group() == group) {
3773                                 v->push_back (*i);
3774                         }
3775                 }
3776         }
3777
3778         return v;
3779 }
3780
3781 void
3782 Editor::set_zoom_focus (ZoomFocus f)
3783 {
3784         string str = zoom_focus_strings[(int)f];
3785
3786         if (str != zoom_focus_selector.get_active_text()) {
3787                 zoom_focus_selector.set_active_text (str);
3788         }
3789
3790         if (zoom_focus != f) {
3791                 zoom_focus = f;
3792
3793                 ZoomFocusChanged (); /* EMIT_SIGNAL */
3794
3795                 instant_save ();
3796         }
3797 }
3798
3799 void
3800 Editor::ensure_float (Window& win)
3801 {
3802         win.set_transient_for (*this);
3803 }
3804
3805 void
3806 Editor::pane_allocation_handler (Allocation &alloc, Paned* which)
3807 {
3808         /* recover or initialize pane positions. do this here rather than earlier because
3809            we don't want the positions to change the child allocations, which they seem to do.
3810          */
3811
3812         int pos;
3813         XMLProperty* prop;
3814         char buf[32];
3815         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
3816         int width, height;
3817         static int32_t done;
3818         XMLNode* geometry;
3819
3820         if ((geometry = find_named_node (*node, "geometry")) == 0) {
3821                 width = default_width;
3822                 height = default_height;
3823         } else {
3824                 width = atoi(geometry->property("x_size")->value());
3825                 height = atoi(geometry->property("y_size")->value());
3826         }
3827
3828         if (which == static_cast<Paned*> (&edit_pane)) {
3829
3830                 if (done) {
3831                         return;
3832                 }
3833
3834                 if (!geometry || (prop = geometry->property ("edit_pane_pos")) == 0) {
3835                         /* initial allocation is 90% to canvas, 10% to notebook */
3836                         pos = (int) floor (alloc.get_width() * 0.90f);
3837                         snprintf (buf, sizeof(buf), "%d", pos);
3838                 } else {
3839                         pos = atoi (prop->value());
3840                 }
3841
3842                 if ((done = GTK_WIDGET(edit_pane.gobj())->allocation.width > pos)) {
3843                         edit_pane.set_position (pos);
3844                         pre_maximal_pane_position = pos;
3845                 }
3846         }
3847 }
3848
3849 void
3850 Editor::detach_tearoff (Box* b, Window* w)
3851 {
3852         if (tools_tearoff->torn_off() &&
3853             mouse_mode_tearoff->torn_off()) {
3854                 top_hbox.remove (toolbar_frame);
3855         }
3856 }
3857
3858 void
3859 Editor::reattach_tearoff (Box* b, Window* w, int32_t n)
3860 {
3861         if (toolbar_frame.get_parent() == 0) {
3862                 top_hbox.pack_end (toolbar_frame);
3863         }
3864 }
3865
3866 void
3867 Editor::set_show_measures (bool yn)
3868 {
3869         if (_show_measures != yn) {
3870                 hide_measures ();
3871
3872                 if ((_show_measures = yn) == true) {
3873                         draw_measures ();
3874                 }
3875                 DisplayControlChanged (ShowMeasures);
3876                 instant_save ();
3877         }
3878 }
3879
3880 void
3881 Editor::toggle_follow_playhead ()
3882 {
3883         RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
3884         if (act) {
3885                 RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
3886                 set_follow_playhead (tact->get_active());
3887         }
3888 }
3889
3890 void
3891 Editor::set_follow_playhead (bool yn)
3892 {
3893         if (_follow_playhead != yn) {
3894                 if ((_follow_playhead = yn) == true) {
3895                         /* catch up */
3896                         update_current_screen ();
3897                 }
3898                 DisplayControlChanged (FollowPlayhead);
3899                 instant_save ();
3900         }
3901 }
3902
3903 void
3904 Editor::toggle_xfade_active (Crossfade* xfade)
3905 {
3906         xfade->set_active (!xfade->active());
3907 }
3908
3909 void
3910 Editor::toggle_xfade_length (Crossfade* xfade)
3911 {
3912         xfade->set_follow_overlap (!xfade->following_overlap());
3913 }
3914
3915 void
3916 Editor::edit_xfade (Crossfade* xfade)
3917 {
3918         CrossfadeEditor cew (*session, *xfade, xfade->fade_in().get_min_y(), 1.0);
3919
3920         ensure_float (cew);
3921
3922         switch (cew.run ()) {
3923         case RESPONSE_ACCEPT:
3924                 break;
3925         default:
3926                 return;
3927         }
3928
3929         cew.apply ();
3930         xfade->StateChanged (Change (~0));
3931 }
3932
3933 PlaylistSelector&
3934 Editor::playlist_selector () const
3935 {
3936         return *_playlist_selector;
3937 }
3938
3939 nframes_t
3940 Editor::get_nudge_distance (nframes_t pos, nframes_t& next)
3941 {
3942         nframes_t ret;
3943
3944         ret = nudge_clock.current_duration (pos);
3945         next = ret + 1; /* XXXX fix me */
3946
3947         return ret;
3948 }
3949
3950 void
3951 Editor::end_location_changed (Location* location)
3952 {
3953         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::end_location_changed), location));
3954         reset_scrolling_region ();
3955 }
3956
3957 int
3958 Editor::playlist_deletion_dialog (boost::shared_ptr<Playlist> pl)
3959 {
3960         ArdourDialog dialog ("playlist deletion dialog");
3961         Label  label (string_compose (_("Playlist %1 is currently unused.\n"
3962                                         "If left alone, no audio files used by it will be cleaned.\n"
3963                                         "If deleted, audio files used by it alone by will cleaned."),
3964                                       pl->name()));
3965
3966         dialog.set_position (WIN_POS_CENTER);
3967         dialog.get_vbox()->pack_start (label);
3968
3969         label.show ();
3970
3971         dialog.add_button (_("Delete playlist"), RESPONSE_ACCEPT);
3972         dialog.add_button (_("Keep playlist"), RESPONSE_CANCEL);
3973         dialog.add_button (_("Cancel"), RESPONSE_CANCEL);
3974
3975         switch (dialog.run ()) {
3976         case RESPONSE_ACCEPT:
3977                 /* delete the playlist */
3978                 return 0;
3979                 break;
3980
3981         case RESPONSE_REJECT:
3982                 /* keep the playlist */
3983                 return 1;
3984                 break;
3985
3986         default:
3987                 break;
3988         }
3989
3990         return -1;
3991 }
3992
3993 bool
3994 Editor::audio_region_selection_covers (nframes_t where)
3995 {
3996         for (RegionSelection::iterator a = selection->regions.begin(); a != selection->regions.end(); ++a) {
3997                 if ((*a)->region()->covers (where)) {
3998                         return true;
3999                 }
4000         }
4001
4002         return false;
4003 }
4004
4005 void
4006 Editor::prepare_for_cleanup ()
4007 {
4008         cut_buffer->clear_regions ();
4009         cut_buffer->clear_playlists ();
4010
4011         selection->clear_regions ();
4012         selection->clear_playlists ();
4013 }
4014
4015 Location*
4016 Editor::transport_loop_location()
4017 {
4018         if (session) {
4019                 return session->locations()->auto_loop_location();
4020         } else {
4021                 return 0;
4022         }
4023 }
4024
4025 Location*
4026 Editor::transport_punch_location()
4027 {
4028         if (session) {
4029                 return session->locations()->auto_punch_location();
4030         } else {
4031                 return 0;
4032         }
4033 }
4034
4035 bool
4036 Editor::control_layout_scroll (GdkEventScroll* ev)
4037 {
4038         switch (ev->direction) {
4039         case GDK_SCROLL_UP:
4040                 scroll_tracks_up_line ();
4041                 return true;
4042                 break;
4043
4044         case GDK_SCROLL_DOWN:
4045                 scroll_tracks_down_line ();
4046                 return true;
4047
4048         default:
4049                 /* no left/right handling yet */
4050                 break;
4051         }
4052
4053         return false;
4054 }
4055
4056 void
4057 Editor::snapshot_display_selection_changed ()
4058 {
4059         if (snapshot_display.get_selection()->count_selected_rows() > 0) {
4060
4061                 TreeModel::iterator i = snapshot_display.get_selection()->get_selected();
4062
4063                 Glib::ustring snap_name = (*i)[snapshot_display_columns.real_name];
4064
4065                 if (snap_name.length() == 0) {
4066                         return;
4067                 }
4068
4069                 if (session->snap_name() == snap_name) {
4070                         return;
4071                 }
4072
4073                 ARDOUR_UI::instance()->load_session(session->path(), string (snap_name));
4074         }
4075 }
4076
4077 bool
4078 Editor::snapshot_display_button_press (GdkEventButton* ev)
4079 {
4080          return false;
4081 }
4082
4083 void
4084 Editor::redisplay_snapshots ()
4085 {
4086         if (session == 0) {
4087                 return;
4088         }
4089
4090         vector<string*>* states;
4091
4092         if ((states = session->possible_states()) == 0) {
4093                 return;
4094         }
4095
4096         snapshot_display_model->clear ();
4097
4098         for (vector<string*>::iterator i = states->begin(); i != states->end(); ++i) {
4099                 string statename = *(*i);
4100                 TreeModel::Row row = *(snapshot_display_model->append());
4101
4102                 // we don't have a way of changing the rendering in just one TreeView
4103                 // cell so just put an asterisk on each side of the name for now.
4104                 string display_name;
4105                 if (statename == session->snap_name()) {
4106                         display_name = "*"+statename+"*";
4107                         snapshot_display.get_selection()->select(row);
4108                 } else {
4109                         display_name = statename;
4110                 }
4111
4112                 row[snapshot_display_columns.visible_name] = display_name;
4113                 row[snapshot_display_columns.real_name] = statename;
4114         }
4115
4116         delete states;
4117 }
4118
4119 void
4120 Editor::session_state_saved (string snap_name)
4121 {
4122         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::session_state_saved), snap_name));
4123         redisplay_snapshots ();
4124 }
4125
4126 void
4127 Editor::maximise_editing_space ()
4128 {
4129         initial_ruler_update_required = true;
4130
4131         mouse_mode_tearoff->set_visible (false);
4132         tools_tearoff->set_visible (false);
4133
4134         pre_maximal_pane_position = edit_pane.get_position();
4135         pre_maximal_editor_width = this->get_width();
4136
4137         if(post_maximal_pane_position == 0) {
4138                 post_maximal_pane_position = edit_pane.get_width();
4139         }
4140
4141
4142         fullscreen();
4143         if(post_maximal_editor_width) {
4144                 edit_pane.set_position (post_maximal_pane_position -
4145                         abs(post_maximal_editor_width - pre_maximal_editor_width));
4146         } else {
4147                 edit_pane.set_position (post_maximal_pane_position);
4148         }
4149 }
4150
4151 void
4152 Editor::restore_editing_space ()
4153 {
4154         initial_ruler_update_required = true;
4155
4156         // user changed width of pane during fullscreen
4157         if(post_maximal_pane_position != edit_pane.get_position()) {
4158                 post_maximal_pane_position = edit_pane.get_position();
4159         }
4160
4161         unfullscreen();
4162
4163         mouse_mode_tearoff->set_visible (true);
4164         tools_tearoff->set_visible (true);
4165         post_maximal_editor_width = this->get_width();
4166
4167
4168         edit_pane.set_position (
4169                 pre_maximal_pane_position + abs(this->get_width() - pre_maximal_editor_width)
4170         );
4171 }
4172
4173 void
4174 Editor::new_playlists ()
4175 {
4176         begin_reversible_command (_("new playlists"));
4177         mapover_tracks (mem_fun (*this, &Editor::mapped_use_new_playlist));
4178         commit_reversible_command ();
4179 }
4180
4181 void
4182 Editor::copy_playlists ()
4183 {
4184         begin_reversible_command (_("copy playlists"));
4185         mapover_tracks (mem_fun (*this, &Editor::mapped_use_copy_playlist));
4186         commit_reversible_command ();
4187 }
4188
4189 void
4190 Editor::clear_playlists ()
4191 {
4192         begin_reversible_command (_("clear playlists"));
4193         mapover_tracks (mem_fun (*this, &Editor::mapped_clear_playlist));
4194         commit_reversible_command ();
4195 }
4196
4197 void
4198 Editor::mapped_use_new_playlist (RouteTimeAxisView& atv, uint32_t sz)
4199 {
4200         atv.use_new_playlist (sz > 1 ? false : true);
4201 }
4202
4203 void
4204 Editor::mapped_use_copy_playlist (RouteTimeAxisView& atv, uint32_t sz)
4205 {
4206         atv.use_copy_playlist (sz > 1 ? false : true);
4207 }
4208
4209 void
4210 Editor::mapped_clear_playlist (RouteTimeAxisView& atv, uint32_t sz)
4211 {
4212         atv.clear_playlist ();
4213 }
4214
4215 bool
4216 Editor::on_key_press_event (GdkEventKey* ev)
4217 {
4218         return key_press_focus_accelerator_handler (*this, ev);
4219 }
4220