gtk2_ardour/editor.cc

   1 /*
   2     Copyright (C) 2000-2007 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #include <unistd.h>
  21 #include <cstdlib>
  22 #include <cmath>
  23 #include <string>
  24 #include <algorithm>
  25
  26 #include <boost/none.hpp>
  27
  28 #include <sigc++/bind.h>
  29
  30 #include <pbd/convert.h>
  31 #include <pbd/error.h>
  32 #include <pbd/enumwriter.h>
  33 #include <pbd/memento_command.h>
  34
  35 #include <glibmm/miscutils.h>
  36 #include <gtkmm/image.h>
  37 #include <gdkmm/color.h>
  38 #include <gdkmm/bitmap.h>
  39
  40 #include <gtkmm2ext/grouped_buttons.h>
  41 #include <gtkmm2ext/gtk_ui.h>
  42 #include <gtkmm2ext/tearoff.h>
  43 #include <gtkmm2ext/utils.h>
  44 #include <gtkmm2ext/window_title.h>
  45 #include <gtkmm2ext/choice.h>
  46
  47 #include <ardour/audio_track.h>
  48 #include <ardour/audio_diskstream.h>
  49 #include <ardour/plugin_manager.h>
  50 #include <ardour/location.h>
  51 #include <ardour/audioplaylist.h>
  52 #include <ardour/audioregion.h>
  53 #include <ardour/region.h>
  54 #include <ardour/session_route.h>
  55 #include <ardour/tempo.h>
  56 #include <ardour/utils.h>
  57 #include <ardour/profile.h>
  58
  59 #include <control_protocol/control_protocol.h>
  60
  61 #include "ardour_ui.h"
  62 #include "editor.h"
  63 #include "keyboard.h"
  64 #include "marker.h"
  65 #include "playlist_selector.h"
  66 #include "audio_region_view.h"
  67 #include "rgb_macros.h"
  68 #include "selection.h"
  69 #include "audio_streamview.h"
  70 #include "time_axis_view.h"
  71 #include "audio_time_axis.h"
  72 #include "utils.h"
  73 #include "crossfade_view.h"
  74 #include "editing.h"
  75 #include "public_editor.h"
  76 #include "crossfade_edit.h"
  77 #include "canvas_impl.h"
  78 #include "actions.h"
  79 #include "gui_thread.h"
  80
  81 #ifdef FFT_ANALYSIS
  82 #include "analysis_window.h"
  83 #endif
  84
  85 #include "i18n.h"
  86
  87 /* <CMT Additions> */
  88 #include "imageframe_socket_handler.h"
  89 /* </CMT Additions> */
  90
  91 using namespace std;
  92 using namespace sigc;
  93 using namespace ARDOUR;
  94 using namespace PBD;
  95 using namespace Gtk;
  96 using namespace Glib;
  97 using namespace Gtkmm2ext;
  98 using namespace Editing;
  99
 100 using PBD::atoi;
 101
 102 const double Editor::timebar_height = 15.0;
 103
 104 #include "editor_xpms"
 105
 106 static const gchar *_snap_type_strings[] = {
 107         N_("None"),
 108         N_("CD Frames"),
 109         N_("SMPTE Frames"),
 110         N_("SMPTE Seconds"),
 111         N_("SMPTE Minutes"),
 112         N_("Seconds"),
 113         N_("Minutes"),
 114         N_("Beats/32"),
 115         N_("Beats/16"),
 116         N_("Beats/8"),
 117         N_("Beats/4"),
 118         N_("Beats/3"),
 119         N_("Beats"),
 120         N_("Bars"),
 121         N_("Marks"),
 122         N_("Edit Cursor"),
 123         N_("Region starts"),
 124         N_("Region ends"),
 125         N_("Region syncs"),
 126         N_("Region bounds"),
 127         0
 128 };
 129
 130 static const gchar *_snap_mode_strings[] = {
 131         N_("Normal"),
 132         N_("Magnetic"),
 133         0
 134 };
 135
 136 static const gchar *_zoom_focus_strings[] = {
 137         N_("Left"),
 138         N_("Right"),
 139         N_("Center"),
 140         N_("Playhead"),
 141         N_("Edit Cursor"),
 142         0
 143 };
 144
 145 /* Soundfile  drag-n-drop */
 146
 147 Gdk::Cursor* Editor::cross_hair_cursor = 0;
 148 Gdk::Cursor* Editor::selector_cursor = 0;
 149 Gdk::Cursor* Editor::trimmer_cursor = 0;
 150 Gdk::Cursor* Editor::grabber_cursor = 0;
 151 Gdk::Cursor* Editor::zoom_cursor = 0;
 152 Gdk::Cursor* Editor::time_fx_cursor = 0;
 153 Gdk::Cursor* Editor::fader_cursor = 0;
 154 Gdk::Cursor* Editor::speaker_cursor = 0;
 155 Gdk::Cursor* Editor::wait_cursor = 0;
 156 Gdk::Cursor* Editor::timebar_cursor = 0;
 157
 158 void
 159 show_me_the_size (Requisition* r, const char* what)
 160 {
 161         cerr << "size of " << what << " = " << r->width << " x " << r->height << endl;
 162 }
 163
 164 void
 165 check_adjustment (Gtk::Adjustment* adj)
 166 {
 167         cerr << "CHANGE adj  = "
 168              << adj->get_lower () <<  ' '
 169              << adj->get_upper () <<  ' '
 170              << adj->get_value () <<  ' '
 171              << adj->get_step_increment () <<  ' '
 172              << adj->get_page_increment () <<  ' '
 173              << adj->get_page_size () <<  ' '
 174              << endl;
 175
 176 }
 177
 178 Editor::Editor ()
 179         :
 180           /* time display buttons */
 181           minsec_label (_("Mins:Secs")),
 182           bbt_label (_("Bars:Beats")),
 183           smpte_label (_("Timecode")),
 184           frame_label (_("Frames")),
 185           tempo_label (_("Tempo")),
 186           meter_label (_("Meter")),
 187           mark_label (_("Location Markers")),
 188           range_mark_label (_("Range Markers")),
 189           transport_mark_label (_("Loop/Punch Ranges")),
 190
 191           edit_packer (3, 3, false),
 192
 193           /* the values here don't matter: layout widgets
 194              reset them as needed.
 195           */
 196
 197           vertical_adjustment (0.0, 0.0, 10.0, 400.0),
 198           horizontal_adjustment (0.0, 0.0, 20.0, 1200.0),
 199
 200           /* tool bar related */
 201
 202           edit_cursor_clock (X_("editcursor"), false, X_("EditCursorClock"), true),
 203           zoom_range_clock (X_("zoomrange"), false, X_("ZoomRangeClock"), true, true),
 204
 205           toolbar_selection_clock_table (2,3),
 206
 207           automation_mode_button (_("mode")),
 208           global_automation_button (_("automation")),
 209
 210           /* <CMT Additions> */
 211           image_socket_listener(0),
 212           /* </CMT Additions> */
 213
 214           /* nudge */
 215
 216           nudge_clock (X_("nudge"), false, X_("NudgeClock"), true, true)
 217
 218 {
 219         constructed = false;
 220
 221         /* we are a singleton */
 222
 223         PublicEditor::_instance = this;
 224
 225         session = 0;
 226
 227         selection = new Selection;
 228         cut_buffer = new Selection;
 229
 230         selection->TimeChanged.connect (mem_fun(*this, &Editor::time_selection_changed));
 231         selection->TracksChanged.connect (mem_fun(*this, &Editor::track_selection_changed));
 232         selection->RegionsChanged.connect (mem_fun(*this, &Editor::region_selection_changed));
 233         selection->PointsChanged.connect (mem_fun(*this, &Editor::point_selection_changed));
 234
 235         clicked_regionview = 0;
 236         clicked_trackview = 0;
 237         clicked_audio_trackview = 0;
 238         clicked_crossfadeview = 0;
 239         clicked_control_point = 0;
 240         latest_regionview = 0;
 241         last_update_frame = 0;
 242         drag_info.item = 0;
 243         current_mixer_strip = 0;
 244         current_bbt_points = 0;
 245
 246         snap_type_strings = I18N (_snap_type_strings);
 247         snap_mode_strings = I18N (_snap_mode_strings);
 248         zoom_focus_strings = I18N(_zoom_focus_strings);
 249
 250         snap_type = SnapToFrame;
 251         set_snap_to (snap_type);
 252         snap_mode = SnapNormal;
 253         set_snap_mode (snap_mode);
 254         snap_threshold = 5.0;
 255         bbt_beat_subdivision = 4;
 256         canvas_width = 0;
 257         canvas_height = 0;
 258         autoscroll_active = false;
 259         autoscroll_timeout_tag = -1;
 260         interthread_progress_window = 0;
 261
 262 #ifdef FFT_ANALYSIS
 263         analysis_window = 0;
 264 #endif
 265
 266         current_interthread_info = 0;
 267         _show_measures = true;
 268         _show_waveforms = true;
 269         _show_waveforms_recording = true;
 270         first_action_message = 0;
 271         export_dialog = 0;
 272         show_gain_after_trim = false;
 273         ignore_route_list_reorder = false;
 274         no_route_list_redisplay = false;
 275         verbose_cursor_on = true;
 276         route_removal = false;
 277         show_automatic_regions_in_region_list = true;
 278         region_list_sort_type = (Editing::RegionListSortType) 0;
 279         have_pending_keyboard_selection = false;
 280         _follow_playhead = true;
 281         _xfade_visibility = true;
 282         editor_ruler_menu = 0;
 283         no_ruler_shown_update = false;
 284         edit_group_list_menu = 0;
 285         route_list_menu = 0;
 286         region_list_menu = 0;
 287         marker_menu = 0;
 288         start_end_marker_menu = 0;
 289         range_marker_menu = 0;
 290         marker_menu_item = 0;
 291         tm_marker_menu = 0;
 292         transport_marker_menu = 0;
 293         new_transport_marker_menu = 0;
 294         editor_mixer_strip_width = Wide;
 295         show_editor_mixer_when_tracks_arrive = 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         _dragging_hscrollbar = false;
 315         _scrubbing = false;
 316
 317         location_marker_color = ARDOUR_UI::config()->canvasvar_LocationMarker.get();
 318         location_range_color = ARDOUR_UI::config()->canvasvar_LocationRange.get();
 319         location_cd_marker_color = ARDOUR_UI::config()->canvasvar_LocationCDMarker.get();
 320         location_loop_color = ARDOUR_UI::config()->canvasvar_LocationLoop.get();
 321         location_punch_color = ARDOUR_UI::config()->canvasvar_LocationPunch.get();
 322
 323         range_marker_drag_rect = 0;
 324         marker_drag_line = 0;
 325
 326         set_mouse_mode (MouseObject, true);
 327
 328         frames_per_unit = 2048; /* too early to use reset_zoom () */
 329         reset_hscrollbar_stepping ();
 330
 331         zoom_focus = ZoomFocusLeft;
 332         set_zoom_focus (ZoomFocusLeft);
 333         zoom_range_clock.ValueChanged.connect (mem_fun(*this, &Editor::zoom_adjustment_changed));
 334
 335         initialize_rulers ();
 336         initialize_canvas ();
 337
 338         edit_controls_vbox.set_spacing (0);
 339         horizontal_adjustment.signal_value_changed().connect (mem_fun(*this, &Editor::canvas_horizontally_scrolled));
 340         vertical_adjustment.signal_value_changed().connect (mem_fun(*this, &Editor::tie_vertical_scrolling));
 341
 342         track_canvas.set_hadjustment (horizontal_adjustment);
 343         track_canvas.set_vadjustment (vertical_adjustment);
 344         time_canvas.set_hadjustment (horizontal_adjustment);
 345
 346         track_canvas.signal_map_event().connect (mem_fun (*this, &Editor::track_canvas_map_handler));
 347         time_canvas.signal_map_event().connect (mem_fun (*this, &Editor::time_canvas_map_handler));
 348
 349         controls_layout.add (edit_controls_vbox);
 350         controls_layout.set_name ("EditControlsBase");
 351         controls_layout.add_events (Gdk::SCROLL_MASK);
 352         controls_layout.signal_scroll_event().connect (mem_fun(*this, &Editor::control_layout_scroll), false);
 353
 354         controls_layout.add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK);
 355         controls_layout.signal_button_release_event().connect (mem_fun(*this, &Editor::edit_controls_button_release));
 356         controls_layout.signal_size_request().connect (mem_fun (*this, &Editor::controls_layout_size_request));
 357
 358         edit_vscrollbar.set_adjustment (vertical_adjustment);
 359         edit_hscrollbar.set_adjustment (horizontal_adjustment);
 360
 361         edit_hscrollbar.signal_button_press_event().connect (mem_fun(*this, &Editor::hscrollbar_button_press), false);
 362         edit_hscrollbar.signal_button_release_event().connect (mem_fun(*this, &Editor::hscrollbar_button_release), false);
 363         edit_hscrollbar.signal_size_allocate().connect (mem_fun(*this, &Editor::hscrollbar_allocate));
 364
 365         edit_hscrollbar.set_name ("EditorHScrollbar");
 366
 367         build_cursors ();
 368         setup_toolbar ();
 369
 370         edit_cursor_clock.ValueChanged.connect (mem_fun(*this, &Editor::edit_cursor_clock_changed));
 371
 372         time_canvas_vbox.pack_start (*_ruler_separator, false, false);
 373         time_canvas_vbox.pack_start (*minsec_ruler, false, false);
 374         time_canvas_vbox.pack_start (*smpte_ruler, false, false);
 375         time_canvas_vbox.pack_start (*frames_ruler, false, false);
 376         time_canvas_vbox.pack_start (*bbt_ruler, false, false);
 377         time_canvas_vbox.pack_start (time_canvas, true, true);
 378         time_canvas_vbox.set_size_request (-1, (int)(timebar_height * visible_timebars) + 2);
 379
 380         bbt_label.set_name ("EditorTimeButton");
 381         bbt_label.set_size_request (-1, (int)timebar_height);
 382         bbt_label.set_alignment (1.0, 0.5);
 383         bbt_label.set_padding (5,0);
 384         minsec_label.set_name ("EditorTimeButton");
 385         minsec_label.set_size_request (-1, (int)timebar_height);
 386         minsec_label.set_alignment (1.0, 0.5);
 387         minsec_label.set_padding (5,0);
 388         smpte_label.set_name ("EditorTimeButton");
 389         smpte_label.set_size_request (-1, (int)timebar_height);
 390         smpte_label.set_alignment (1.0, 0.5);
 391         smpte_label.set_padding (5,0);
 392         frame_label.set_name ("EditorTimeButton");
 393         frame_label.set_size_request (-1, (int)timebar_height);
 394         frame_label.set_alignment (1.0, 0.5);
 395         frame_label.set_padding (5,0);
 396         tempo_label.set_name ("EditorTimeButton");
 397         tempo_label.set_size_request (-1, (int)timebar_height);
 398         tempo_label.set_alignment (1.0, 0.5);
 399         tempo_label.set_padding (5,0);
 400         meter_label.set_name ("EditorTimeButton");
 401         meter_label.set_size_request (-1, (int)timebar_height);
 402         meter_label.set_alignment (1.0, 0.5);
 403         meter_label.set_padding (5,0);
 404         mark_label.set_name ("EditorTimeButton");
 405         mark_label.set_size_request (-1, (int)timebar_height);
 406         mark_label.set_alignment (1.0, 0.5);
 407         mark_label.set_padding (5,0);
 408         range_mark_label.set_name ("EditorTimeButton");
 409         range_mark_label.set_size_request (-1, (int)timebar_height);
 410         range_mark_label.set_alignment (1.0, 0.5);
 411         range_mark_label.set_padding (5,0);
 412         transport_mark_label.set_name ("EditorTimeButton");
 413         transport_mark_label.set_size_request (-1, (int)timebar_height);
 414         transport_mark_label.set_alignment (1.0, 0.5);
 415         transport_mark_label.set_padding (5,0);
 416
 417         time_button_vbox.pack_start (minsec_label, false, false);
 418         time_button_vbox.pack_start (smpte_label, false, false);
 419         time_button_vbox.pack_start (frame_label, false, false);
 420         time_button_vbox.pack_start (bbt_label, false, false);
 421         time_button_vbox.pack_start (meter_label, false, false);
 422         time_button_vbox.pack_start (tempo_label, false, false);
 423         time_button_vbox.pack_start (mark_label, false, false);
 424
 425         time_button_event_box.add (time_button_vbox);
 426
 427         time_button_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 428         time_button_event_box.set_name ("TimebarLabelBase");
 429         time_button_event_box.signal_button_release_event().connect (mem_fun(*this, &Editor::ruler_label_button_release));
 430
 431         time_button_frame.add(time_button_event_box);
 432         time_button_frame.property_shadow_type() = Gtk::SHADOW_OUT;
 433
 434         /* these enable us to have a dedicated window (for cursor setting, etc.)
 435            for the canvas areas.
 436         */
 437
 438         track_canvas_event_box.add (track_canvas);
 439
 440         time_canvas_event_box.add (time_canvas_vbox);
 441         time_canvas_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::POINTER_MOTION_MASK);
 442
 443         edit_packer.set_col_spacings (0);
 444         edit_packer.set_row_spacings (0);
 445         edit_packer.set_homogeneous (false);
 446         edit_packer.set_border_width (0);
 447         edit_packer.set_name ("EditorWindow");
 448
 449         edit_packer.attach (edit_vscrollbar,         0, 1, 1, 3,    FILL,        FILL|EXPAND, 0, 0);
 450
 451         edit_packer.attach (time_button_frame,       0, 2, 0, 1,    FILL,        FILL, 0, 0);
 452         edit_packer.attach (time_canvas_event_box,   2, 3, 0, 1,    FILL|EXPAND, FILL, 0, 0);
 453
 454         edit_packer.attach (controls_layout,         1, 2, 1, 2,    FILL,        FILL|EXPAND, 0, 0);
 455         edit_packer.attach (track_canvas_event_box,  2, 3, 1, 2,    FILL|EXPAND, FILL|EXPAND, 0, 0);
 456
 457         edit_packer.attach (zoom_box,                1, 2, 2, 3,    FILL,         FILL, 0, 0);
 458         edit_packer.attach (edit_hscrollbar,         2, 3, 2, 3,    FILL|EXPAND,  FILL, 0, 0);
 459
 460         bottom_hbox.set_border_width (2);
 461         bottom_hbox.set_spacing (3);
 462
 463         route_display_model = ListStore::create(route_display_columns);
 464         route_list_display.set_model (route_display_model);
 465         route_list_display.append_column (_("Show"), route_display_columns.visible);
 466         route_list_display.append_column (_("Name"), route_display_columns.text);
 467         route_list_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
 468         route_list_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
 469         route_list_display.set_headers_visible (true);
 470         route_list_display.set_name ("TrackListDisplay");
 471         route_list_display.get_selection()->set_mode (SELECTION_NONE);
 472         route_list_display.set_reorderable (true);
 473         route_list_display.set_size_request (100,-1);
 474
 475         CellRendererToggle* route_list_visible_cell = dynamic_cast<CellRendererToggle*>(route_list_display.get_column_cell_renderer (0));
 476         route_list_visible_cell->property_activatable() = true;
 477         route_list_visible_cell->property_radio() = false;
 478
 479         route_display_model->signal_row_deleted().connect (mem_fun (*this, &Editor::route_list_delete));
 480         route_display_model->signal_row_changed().connect (mem_fun (*this, &Editor::route_list_change));
 481
 482         route_list_display.signal_button_press_event().connect (mem_fun (*this, &Editor::route_list_display_button_press), false);
 483
 484         route_list_scroller.add (route_list_display);
 485         route_list_scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
 486
 487         group_model = ListStore::create(group_columns);
 488         edit_group_display.set_model (group_model);
 489         edit_group_display.append_column (_("Name"), group_columns.text);
 490         edit_group_display.append_column (_("Active"), group_columns.is_active);
 491         edit_group_display.append_column (_("Show"), group_columns.is_visible);
 492         edit_group_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
 493         edit_group_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
 494         edit_group_display.get_column (2)->set_data (X_("colnum"), GUINT_TO_POINTER(2));
 495         edit_group_display.get_column (0)->set_expand (true);
 496         edit_group_display.get_column (1)->set_expand (false);
 497         edit_group_display.get_column (2)->set_expand (false);
 498         edit_group_display.set_headers_visible (true);
 499
 500         /* name is directly editable */
 501
 502         CellRendererText* name_cell = dynamic_cast<CellRendererText*>(edit_group_display.get_column_cell_renderer (0));
 503         name_cell->property_editable() = true;
 504         name_cell->signal_edited().connect (mem_fun (*this, &Editor::edit_group_name_edit));
 505
 506         /* use checkbox for the active + visible columns */
 507
 508         CellRendererToggle* active_cell = dynamic_cast<CellRendererToggle*>(edit_group_display.get_column_cell_renderer (1));
 509         active_cell->property_activatable() = true;
 510         active_cell->property_radio() = false;
 511
 512         active_cell = dynamic_cast<CellRendererToggle*>(edit_group_display.get_column_cell_renderer (1));
 513         active_cell->property_activatable() = true;
 514         active_cell->property_radio() = false;
 515
 516         group_model->signal_row_changed().connect (mem_fun (*this, &Editor::edit_group_row_change));
 517
 518         edit_group_display.set_name ("EditGroupList");
 519         edit_group_display.get_selection()->set_mode (SELECTION_SINGLE);
 520         edit_group_display.set_headers_visible (true);
 521         edit_group_display.set_reorderable (false);
 522         edit_group_display.set_rules_hint (true);
 523         edit_group_display.set_size_request (75, -1);
 524
 525         edit_group_display_scroller.add (edit_group_display);
 526         edit_group_display_scroller.set_policy (POLICY_AUTOMATIC, POLICY_AUTOMATIC);
 527
 528         edit_group_display.signal_button_press_event().connect (mem_fun(*this, &Editor::edit_group_list_button_press_event), false);
 529
 530         VBox* edit_group_display_packer = manage (new VBox());
 531         HBox* edit_group_display_button_box = manage (new HBox());
 532         edit_group_display_button_box->set_homogeneous (true);
 533
 534         Button* edit_group_add_button = manage (new Button ());
 535         Button* edit_group_remove_button = manage (new Button ());
 536
 537         Widget* w;
 538
 539         w = manage (new Image (Stock::ADD, ICON_SIZE_BUTTON));
 540         w->show();
 541         edit_group_add_button->add (*w);
 542
 543         w = manage (new Image (Stock::REMOVE, ICON_SIZE_BUTTON));
 544         w->show();
 545         edit_group_remove_button->add (*w);
 546
 547         edit_group_add_button->signal_clicked().connect (mem_fun (*this, &Editor::new_edit_group));
 548         edit_group_remove_button->signal_clicked().connect (mem_fun (*this, &Editor::remove_selected_edit_group));
 549
 550         edit_group_display_button_box->pack_start (*edit_group_add_button);
 551         edit_group_display_button_box->pack_start (*edit_group_remove_button);
 552
 553         edit_group_display_packer->pack_start (edit_group_display_scroller, true, true);
 554         edit_group_display_packer->pack_start (*edit_group_display_button_box, false, false);
 555
 556         region_list_display.set_size_request (100, -1);
 557         region_list_display.set_name ("RegionListDisplay");
 558
 559         region_list_model = TreeStore::create (region_list_columns);
 560         region_list_model->set_sort_func (0, mem_fun (*this, &Editor::region_list_sorter));
 561         region_list_model->set_sort_column (0, SORT_ASCENDING);
 562
 563         region_list_display.set_model (region_list_model);
 564         region_list_display.append_column (_("Regions"), region_list_columns.name);
 565         region_list_display.set_headers_visible (false);
 566
 567         region_list_display.get_selection()->set_select_function (mem_fun (*this, &Editor::region_list_selection_filter));
 568
 569         TreeViewColumn* tv_col = region_list_display.get_column(0);
 570         CellRendererText* renderer = dynamic_cast<CellRendererText*>(region_list_display.get_column_cell_renderer (0));
 571         tv_col->add_attribute(renderer->property_text(), region_list_columns.name);
 572         tv_col->add_attribute(renderer->property_foreground_gdk(), region_list_columns.color_);
 573
 574         region_list_display.get_selection()->set_mode (SELECTION_MULTIPLE);
 575         region_list_display.add_object_drag (region_list_columns.region.index(), "regions");
 576
 577         /* setup DnD handling */
 578
 579         list<TargetEntry> region_list_target_table;
 580
 581         region_list_target_table.push_back (TargetEntry ("text/plain"));
 582         region_list_target_table.push_back (TargetEntry ("text/uri-list"));
 583         region_list_target_table.push_back (TargetEntry ("application/x-rootwin-drop"));
 584
 585         region_list_display.add_drop_targets (region_list_target_table);
 586         region_list_display.signal_drag_data_received().connect (mem_fun(*this, &Editor::region_list_display_drag_data_received));
 587
 588         region_list_scroller.add (region_list_display);
 589         region_list_scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
 590
 591         region_list_display.signal_key_press_event().connect (mem_fun(*this, &Editor::region_list_display_key_press));
 592         region_list_display.signal_key_release_event().connect (mem_fun(*this, &Editor::region_list_display_key_release));
 593         region_list_display.signal_button_press_event().connect (mem_fun(*this, &Editor::region_list_display_button_press), false);
 594         region_list_display.signal_button_release_event().connect (mem_fun(*this, &Editor::region_list_display_button_release));
 595         region_list_display.get_selection()->signal_changed().connect (mem_fun(*this, &Editor::region_list_selection_changed));
 596         // region_list_display.signal_popup_menu().connect (bind (mem_fun (*this, &Editor::show_region_list_display_context_menu), 1, 0));
 597
 598         named_selection_scroller.add (named_selection_display);
 599         named_selection_scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
 600
 601         named_selection_model = TreeStore::create (named_selection_columns);
 602         named_selection_display.set_model (named_selection_model);
 603         named_selection_display.append_column (_("Chunks"), named_selection_columns.text);
 604         named_selection_display.set_headers_visible (false);
 605         named_selection_display.set_size_request (100, -1);
 606         named_selection_display.set_name ("NamedSelectionDisplay");
 607
 608         named_selection_display.get_selection()->set_mode (SELECTION_SINGLE);
 609         named_selection_display.set_size_request (100, -1);
 610         named_selection_display.signal_button_release_event().connect (mem_fun(*this, &Editor::named_selection_display_button_release), false);
 611         named_selection_display.signal_key_release_event().connect (mem_fun(*this, &Editor::named_selection_display_key_release), false);
 612         named_selection_display.get_selection()->signal_changed().connect (mem_fun (*this, &Editor::named_selection_display_selection_changed));
 613
 614         /* SNAPSHOTS */
 615
 616         snapshot_display_model = ListStore::create (snapshot_display_columns);
 617         snapshot_display.set_model (snapshot_display_model);
 618         snapshot_display.append_column (X_("snapshot"), snapshot_display_columns.visible_name);
 619         snapshot_display.set_name ("SnapshotDisplay");
 620         snapshot_display.set_size_request (75, -1);
 621         snapshot_display.set_headers_visible (false);
 622         snapshot_display.set_reorderable (false);
 623         snapshot_display_scroller.add (snapshot_display);
 624         snapshot_display_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
 625
 626         snapshot_display.get_selection()->signal_changed().connect (mem_fun(*this, &Editor::snapshot_display_selection_changed));
 627         snapshot_display.signal_button_press_event().connect (mem_fun (*this, &Editor::snapshot_display_button_press), false);
 628
 629         Gtk::Label* nlabel;
 630
 631         nlabel = manage (new Label (_("Regions")));
 632         nlabel->set_angle (-90);
 633         the_notebook.append_page (region_list_scroller, *nlabel);
 634         nlabel = manage (new Label (_("Tracks/Busses")));
 635         nlabel->set_angle (-90);
 636         the_notebook.append_page (route_list_scroller, *nlabel);
 637         nlabel = manage (new Label (_("Snapshots")));
 638         nlabel->set_angle (-90);
 639         the_notebook.append_page (snapshot_display_scroller, *nlabel);
 640         nlabel = manage (new Label (_("Edit Groups")));
 641         nlabel->set_angle (-90);
 642         the_notebook.append_page (*edit_group_display_packer, *nlabel);
 643         nlabel = manage (new Label (_("Chunks")));
 644         nlabel->set_angle (-90);
 645         the_notebook.append_page (named_selection_scroller, *nlabel);
 646
 647         the_notebook.set_show_tabs (true);
 648         the_notebook.set_scrollable (true);
 649         the_notebook.popup_enable ();
 650         the_notebook.set_tab_pos (Gtk::POS_RIGHT);
 651
 652         post_maximal_editor_width = 0;
 653         post_maximal_pane_position = 0;
 654         edit_pane.pack1 (edit_packer, true, true);
 655         edit_pane.pack2 (the_notebook, false, true);
 656
 657         edit_pane.signal_size_allocate().connect (bind (mem_fun(*this, &Editor::pane_allocation_handler), static_cast<Paned*> (&edit_pane)));
 658
 659         top_hbox.pack_start (toolbar_frame, true, true);
 660
 661         HBox *hbox = manage (new HBox);
 662         hbox->pack_start (edit_pane, true, true);
 663
 664         global_vpacker.pack_start (top_hbox, false, false);
 665         global_vpacker.pack_start (*hbox, true, true);
 666
 667         global_hpacker.pack_start (global_vpacker, true, true);
 668
 669         set_name ("EditorWindow");
 670         add_accel_group (ActionManager::ui_manager->get_accel_group());
 671
 672         vpacker.pack_end (global_hpacker, true, true);
 673
 674         /* register actions now so that set_state() can find them and set toggles/checks etc */
 675
 676         register_actions ();
 677
 678         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
 679         set_state (*node);
 680
 681         _playlist_selector = new PlaylistSelector();
 682         _playlist_selector->signal_delete_event().connect (bind (sigc::ptr_fun (just_hide_it), static_cast<Window *> (_playlist_selector)));
 683
 684         RegionView::RegionViewGoingAway.connect (mem_fun(*this, &Editor::catch_vanishing_regionview));
 685
 686         /* nudge stuff */
 687
 688         nudge_forward_button.add (*(manage (new Image (::get_icon("nudge_right")))));
 689         nudge_backward_button.add (*(manage (new Image (::get_icon("nudge_left")))));
 690
 691         ARDOUR_UI::instance()->tooltips().set_tip (nudge_forward_button, _("Nudge Region/Selection Forwards"));
 692         ARDOUR_UI::instance()->tooltips().set_tip (nudge_backward_button, _("Nudge Region/Selection Backwards"));
 693
 694         nudge_forward_button.set_name ("TransportButton");
 695         nudge_backward_button.set_name ("TransportButton");
 696
 697         fade_context_menu.set_name ("ArdourContextMenu");
 698
 699         /* icons, titles, WM stuff */
 700
 701         list<Glib::RefPtr<Gdk::Pixbuf> > window_icons;
 702         Glib::RefPtr<Gdk::Pixbuf> icon;
 703
 704         if ((icon = ::get_icon ("ardour_icon_16px")) != 0) {
 705                 window_icons.push_back (icon);
 706         }
 707         if ((icon = ::get_icon ("ardour_icon_22px")) != 0) {
 708                 window_icons.push_back (icon);
 709         }
 710         if ((icon = ::get_icon ("ardour_icon_32px")) != 0) {
 711                 window_icons.push_back (icon);
 712         }
 713         if ((icon = ::get_icon ("ardour_icon_48px")) != 0) {
 714                 window_icons.push_back (icon);
 715         }
 716         if (!window_icons.empty()) {
 717                 set_icon_list (window_icons);
 718                 set_default_icon_list (window_icons);
 719         }
 720
 721         WindowTitle title(Glib::get_application_name());
 722         title += _("Editor");
 723         set_title (title.get_string());
 724         set_wmclass (X_("ardour_editor"), "Ardour");
 725
 726         add (vpacker);
 727         add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK);
 728
 729         signal_configure_event().connect (mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::configure_handler));
 730         signal_delete_event().connect (mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::exit_on_main_window_close));
 731
 732         /* allow external control surfaces/protocols to do various things */
 733
 734         ControlProtocol::ZoomToSession.connect (mem_fun (*this, &Editor::temporal_zoom_session));
 735         ControlProtocol::ZoomIn.connect (bind (mem_fun (*this, &Editor::temporal_zoom_step), false));
 736         ControlProtocol::ZoomOut.connect (bind (mem_fun (*this, &Editor::temporal_zoom_step), true));
 737         ControlProtocol::ScrollTimeline.connect (mem_fun (*this, &Editor::control_scroll));
 738
 739         Config->ParameterChanged.connect (mem_fun (*this, &Editor::parameter_changed));
 740
 741         constructed = true;
 742         instant_save ();
 743 }
 744
 745 Editor::~Editor()
 746 {
 747         /* <CMT Additions> */
 748         if(image_socket_listener)
 749         {
 750                 if(image_socket_listener->is_connected())
 751                 {
 752                         image_socket_listener->close_connection() ;
 753                 }
 754
 755                 delete image_socket_listener ;
 756                 image_socket_listener = 0 ;
 757         }
 758         /* </CMT Additions> */
 759 }
 760
 761 void
 762 Editor::add_toplevel_controls (Container& cont)
 763 {
 764         vpacker.pack_start (cont, false, false);
 765         cont.show_all ();
 766 }
 767
 768 void
 769 Editor::catch_vanishing_regionview (RegionView *rv)
 770 {
 771         /* note: the selection will take care of the vanishing
 772            audioregionview by itself.
 773         */
 774
 775         if (clicked_regionview == rv) {
 776                 clicked_regionview = 0;
 777         }
 778
 779         if (entered_regionview == rv) {
 780                 set_entered_regionview (0);
 781         }
 782 }
 783
 784 void
 785 Editor::set_entered_regionview (RegionView* rv)
 786 {
 787         if (rv == entered_regionview) {
 788                 return;
 789         }
 790
 791         if (entered_regionview) {
 792                 entered_regionview->exited ();
 793         }
 794
 795         if ((entered_regionview = rv) != 0) {
 796                 entered_regionview->entered ();
 797         }
 798 }
 799
 800 void
 801 Editor::set_entered_track (TimeAxisView* tav)
 802 {
 803         if (entered_track) {
 804                 entered_track->exited ();
 805         }
 806
 807         if ((entered_track = tav) != 0) {
 808                 entered_track->entered ();
 809         }
 810 }
 811
 812 void
 813 Editor::show_window ()
 814 {
 815         show_all ();
 816         present ();
 817
 818         /* now reset all audio_time_axis heights, because widgets might need
 819            to be re-hidden
 820         */
 821
 822         TimeAxisView *tv;
 823
 824         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
 825                 tv = (static_cast<TimeAxisView*>(*i));
 826                 tv->reset_height ();
 827         }
 828 }
 829
 830 void
 831 Editor::tie_vertical_scrolling ()
 832 {
 833         double y1 = vertical_adjustment.get_value();
 834         controls_layout.get_vadjustment()->set_value (y1);
 835         playhead_cursor->set_y_axis(y1);
 836         edit_cursor->set_y_axis(y1);
 837 }
 838
 839 void
 840 Editor::instant_save ()
 841 {
 842         if (!constructed || !ARDOUR_UI::instance()->session_loaded) {
 843                 return;
 844         }
 845
 846         if (session) {
 847                 session->add_instant_xml(get_state(), session->path());
 848         } else {
 849                 Config->add_instant_xml(get_state(), get_user_ardour_path());
 850         }
 851 }
 852
 853 void
 854 Editor::edit_cursor_clock_changed()
 855 {
 856         if (edit_cursor->current_frame != edit_cursor_clock.current_time()) {
 857                 edit_cursor->set_position (edit_cursor_clock.current_time());
 858         }
 859 }
 860
 861
 862 void
 863 Editor::zoom_adjustment_changed ()
 864 {
 865         if (session == 0) {
 866                 return;
 867         }
 868
 869         double fpu = zoom_range_clock.current_duration() / canvas_width;
 870
 871         if (fpu < 1.0) {
 872                 fpu = 1.0;
 873                 zoom_range_clock.set ((nframes_t) floor (fpu * canvas_width));
 874         } else if (fpu > session->current_end_frame() / canvas_width) {
 875                 fpu = session->current_end_frame() / canvas_width;
 876                 zoom_range_clock.set ((nframes_t) floor (fpu * canvas_width));
 877         }
 878
 879         temporal_zoom (fpu);
 880 }
 881
 882 void
 883 Editor::control_scroll (float fraction)
 884 {
 885         ENSURE_GUI_THREAD(bind (mem_fun (*this, &Editor::control_scroll), fraction));
 886
 887         if (!session) {
 888                 return;
 889         }
 890
 891         double step = fraction * current_page_frames();
 892
 893         /*
 894                 _control_scroll_target is an optional<T>
 895
 896                 it acts like a pointer to an nframes_t, with
 897                 a operator conversion to boolean to check
 898                 that it has a value could possibly use
 899                 playhead_cursor->current_frame to store the
 900                 value and a boolean in the class to know
 901                 when it's out of date
 902         */
 903
 904         if (!_control_scroll_target) {
 905                 _control_scroll_target = session->transport_frame();
 906                 _dragging_playhead = true;
 907         }
 908
 909         if ((fraction < 0.0f) && (*_control_scroll_target < (nframes_t) fabs(step))) {
 910                 *_control_scroll_target = 0;
 911         } else if ((fraction > 0.0f) && (max_frames - *_control_scroll_target < step)) {
 912                 *_control_scroll_target = max_frames - (current_page_frames()*2); // allow room for slop in where the PH is on the screen
 913         } else {
 914                 *_control_scroll_target += (nframes_t) floor (step);
 915         }
 916
 917         /* move visuals, we'll catch up with it later */
 918
 919         playhead_cursor->set_position (*_control_scroll_target);
 920         UpdateAllTransportClocks (*_control_scroll_target);
 921
 922         if (*_control_scroll_target > (current_page_frames() / 2)) {
 923                 /* try to center PH in window */
 924                 reset_x_origin (*_control_scroll_target - (current_page_frames()/2));
 925         } else {
 926                 reset_x_origin (0);
 927         }
 928
 929         /*
 930                 Now we do a timeout to actually bring the session to the right place
 931                 according to the playhead. This is to avoid reading disk buffers on every
 932                 call to control_scroll, which is driven by ScrollTimeline and therefore
 933                 probably by a control surface wheel which can generate lots of events.
 934         */
 935         /* cancel the existing timeout */
 936
 937         control_scroll_connection.disconnect ();
 938
 939         /* add the next timeout */
 940
 941         control_scroll_connection = Glib::signal_timeout().connect (bind (mem_fun (*this, &Editor::deferred_control_scroll), *_control_scroll_target), 250);
 942 }
 943
 944 bool
 945 Editor::deferred_control_scroll (nframes_t target)
 946 {
 947         session->request_locate (*_control_scroll_target, session->transport_rolling());
 948         // reset for next stream
 949         _control_scroll_target = boost::none;
 950         _dragging_playhead = false;
 951         return false;
 952 }
 953
 954 void
 955 Editor::on_realize ()
 956 {
 957         Window::on_realize ();
 958         Realized ();
 959 }
 960
 961 void
 962 Editor::start_scrolling ()
 963 {
 964         scroll_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect
 965                 (mem_fun(*this, &Editor::update_current_screen));
 966 }
 967
 968 void
 969 Editor::stop_scrolling ()
 970 {
 971         scroll_connection.disconnect ();
 972 }
 973
 974 void
 975 Editor::map_position_change (nframes_t frame)
 976 {
 977         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::map_position_change), frame));
 978
 979         if (session == 0 || !_follow_playhead) {
 980                 return;
 981         }
 982
 983         center_screen (frame);
 984         playhead_cursor->set_position (frame);
 985 }
 986
 987 void
 988 Editor::center_screen (nframes_t frame)
 989 {
 990         double page = canvas_width * frames_per_unit;
 991
 992         /* if we're off the page, then scroll.
 993          */
 994
 995         if (frame < leftmost_frame || frame >= leftmost_frame + page) {
 996                 center_screen_internal (frame, page);
 997         }
 998 }
 999
1000 void
1001 Editor::center_screen_internal (nframes_t frame, float page)
1002 {
1003         page /= 2;
1004
1005         if (frame > page) {
1006                 frame -= (nframes_t) page;
1007         } else {
1008                 frame = 0;
1009         }
1010
1011         reset_x_origin (frame);
1012 }
1013
1014 void
1015 Editor::handle_new_duration ()
1016 {
1017         ENSURE_GUI_THREAD (mem_fun (*this, &Editor::handle_new_duration));
1018
1019         nframes_t new_end = session->get_maximum_extent() + (nframes_t) floorf (current_page_frames() * 0.10f);
1020
1021         if (new_end > last_canvas_frame) {
1022                 last_canvas_frame = new_end;
1023                 horizontal_adjustment.set_upper (last_canvas_frame / frames_per_unit);
1024                 reset_scrolling_region ();
1025         }
1026
1027         horizontal_adjustment.set_value (leftmost_frame/frames_per_unit);
1028 }
1029
1030 void
1031 Editor::update_title_s (const string & snap_name)
1032 {
1033         ENSURE_GUI_THREAD(bind (mem_fun(*this, &Editor::update_title_s), snap_name));
1034
1035         update_title ();
1036 }
1037
1038 void
1039 Editor::update_title ()
1040 {
1041         ENSURE_GUI_THREAD (mem_fun(*this, &Editor::update_title));
1042
1043         if (session) {
1044                 bool dirty = session->dirty();
1045
1046                 string session_name;
1047
1048                 if (session->snap_name() != session->name()) {
1049                         session_name = session->snap_name();
1050                 } else {
1051                         session_name = session->name();
1052                 }
1053
1054                 if (dirty) {
1055                         session_name = "*" + session_name;
1056                 }
1057
1058                 WindowTitle title(session_name);
1059                 title += Glib::get_application_name();
1060                 set_title (title.get_string());
1061         }
1062 }
1063
1064 void
1065 Editor::connect_to_session (Session *t)
1066 {
1067         session = t;
1068
1069         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
1070         set_state (*node);
1071
1072         /* catch up with the playhead */
1073
1074         session->request_locate (playhead_cursor->current_frame);
1075
1076         if (first_action_message) {
1077                 first_action_message->hide();
1078         }
1079
1080         update_title ();
1081
1082         session->GoingAway.connect (mem_fun(*this, &Editor::session_going_away));
1083         session->history().Changed.connect (mem_fun (*this, &Editor::history_changed));
1084
1085         /* These signals can all be emitted by a non-GUI thread. Therefore the
1086            handlers for them must not attempt to directly interact with the GUI,
1087            but use Gtkmm2ext::UI::instance()->call_slot();
1088         */
1089
1090         session_connections.push_back (session->TransportStateChange.connect (mem_fun(*this, &Editor::map_transport_state)));
1091         session_connections.push_back (session->PositionChanged.connect (mem_fun(*this, &Editor::map_position_change)));
1092         session_connections.push_back (session->RouteAdded.connect (mem_fun(*this, &Editor::handle_new_route)));
1093         session_connections.push_back (session->AudioRegionAdded.connect (mem_fun(*this, &Editor::handle_new_audio_region)));
1094         session_connections.push_back (session->AudioRegionRemoved.connect (mem_fun(*this, &Editor::handle_audio_region_removed)));
1095         session_connections.push_back (session->DurationChanged.connect (mem_fun(*this, &Editor::handle_new_duration)));
1096         session_connections.push_back (session->edit_group_added.connect (mem_fun(*this, &Editor::add_edit_group)));
1097         session_connections.push_back (session->edit_group_removed.connect (mem_fun(*this, &Editor::edit_groups_changed)));
1098         session_connections.push_back (session->NamedSelectionAdded.connect (mem_fun(*this, &Editor::handle_new_named_selection)));
1099         session_connections.push_back (session->NamedSelectionRemoved.connect (mem_fun(*this, &Editor::handle_new_named_selection)));
1100         session_connections.push_back (session->DirtyChanged.connect (mem_fun(*this, &Editor::update_title)));
1101         session_connections.push_back (session->StateSaved.connect (mem_fun(*this, &Editor::update_title_s)));
1102         session_connections.push_back (session->AskAboutPlaylistDeletion.connect (mem_fun(*this, &Editor::playlist_deletion_dialog)));
1103         session_connections.push_back (session->RegionHiddenChange.connect (mem_fun(*this, &Editor::region_hidden)));
1104
1105         session_connections.push_back (session->SMPTEOffsetChanged.connect (mem_fun(*this, &Editor::update_just_smpte)));
1106
1107         session_connections.push_back (session->tempo_map().StateChanged.connect (mem_fun(*this, &Editor::tempo_map_changed)));
1108
1109         edit_groups_changed ();
1110
1111         edit_cursor_clock.set_session (session);
1112         zoom_range_clock.set_session (session);
1113         _playlist_selector->set_session (session);
1114         nudge_clock.set_session (session);
1115
1116 #ifdef FFT_ANALYSIS
1117         if (analysis_window != 0)
1118                 analysis_window->set_session (session);
1119 #endif
1120
1121         Location* loc = session->locations()->auto_loop_location();
1122         if (loc == 0) {
1123                 loc = new Location (0, session->current_end_frame(), _("Loop"),(Location::Flags) (Location::IsAutoLoop | Location::IsHidden));
1124                 if (loc->start() == loc->end()) {
1125                         loc->set_end (loc->start() + 1);
1126                 }
1127                 session->locations()->add (loc, false);
1128                 session->set_auto_loop_location (loc);
1129         } else {
1130                 // force name
1131                 loc->set_name (_("Loop"));
1132         }
1133
1134         loc = session->locations()->auto_punch_location();
1135         if (loc == 0) {
1136                 loc = new Location (0, session->current_end_frame(), _("Punch"), (Location::Flags) (Location::IsAutoPunch | Location::IsHidden));
1137                 if (loc->start() == loc->end()) {
1138                         loc->set_end (loc->start() + 1);
1139                 }
1140                 session->locations()->add (loc, false);
1141                 session->set_auto_punch_location (loc);
1142         } else {
1143                 // force name
1144                 loc->set_name (_("Punch"));
1145         }
1146
1147         Config->map_parameters (mem_fun (*this, &Editor::parameter_changed));
1148
1149         session->StateSaved.connect (mem_fun(*this, &Editor::session_state_saved));
1150
1151         refresh_location_display ();
1152         session->locations()->added.connect (mem_fun(*this, &Editor::add_new_location));
1153         session->locations()->removed.connect (mem_fun(*this, &Editor::location_gone));
1154         session->locations()->changed.connect (mem_fun(*this, &Editor::refresh_location_display));
1155         session->locations()->StateChanged.connect (mem_fun(*this, &Editor::refresh_location_display_s));
1156         session->locations()->end_location()->changed.connect (mem_fun(*this, &Editor::end_location_changed));
1157
1158         handle_new_duration ();
1159
1160         redisplay_regions ();
1161         redisplay_named_selections ();
1162         redisplay_snapshots ();
1163
1164         initial_route_list_display ();
1165
1166         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
1167                 (static_cast<TimeAxisView*>(*i))->set_samples_per_unit (frames_per_unit);
1168         }
1169
1170         restore_ruler_visibility ();
1171         //tempo_map_changed (Change (0));
1172         session->tempo_map().apply_with_metrics (*this, &Editor::draw_metric_marks);
1173
1174         start_scrolling ();
1175
1176         /* don't show master bus in a new session */
1177
1178         if (ARDOUR_UI::instance()->session_is_new ()) {
1179
1180                 TreeModel::Children rows = route_display_model->children();
1181                 TreeModel::Children::iterator i;
1182
1183                 no_route_list_redisplay = true;
1184
1185                 for (i = rows.begin(); i != rows.end(); ++i) {
1186                         TimeAxisView *tv =  (*i)[route_display_columns.tv];
1187                         AudioTimeAxisView *atv;
1188
1189                         if ((atv = dynamic_cast<AudioTimeAxisView*>(tv)) != 0) {
1190                                 if (atv->route()->master()) {
1191                                         route_list_display.get_selection()->unselect (i);
1192                                 }
1193                         }
1194                 }
1195
1196                 no_route_list_redisplay = false;
1197                 redisplay_route_list ();
1198         }
1199
1200         /* register for undo history */
1201
1202         session->register_with_memento_command_factory(_id, this);
1203 }
1204
1205 void
1206 Editor::build_cursors ()
1207 {
1208         using namespace Gdk;
1209
1210         Gdk::Color mbg ("#000000" ); /* Black */
1211         Gdk::Color mfg ("#0000ff" ); /* Blue. */
1212
1213         {
1214                 RefPtr<Bitmap> source, mask;
1215                 source = Bitmap::create (mag_bits, mag_width, mag_height);
1216                 mask = Bitmap::create (magmask_bits, mag_width, mag_height);
1217                 zoom_cursor = new Gdk::Cursor (source, mask, mfg, mbg, mag_x_hot, mag_y_hot);
1218         }
1219
1220         Gdk::Color fbg ("#ffffff" );
1221         Gdk::Color ffg  ("#000000" );
1222
1223         {
1224                 RefPtr<Bitmap> source, mask;
1225
1226                 source = Bitmap::create (fader_cursor_bits, fader_cursor_width, fader_cursor_height);
1227                 mask = Bitmap::create (fader_cursor_mask_bits, fader_cursor_width, fader_cursor_height);
1228                 fader_cursor = new Gdk::Cursor (source, mask, ffg, fbg, fader_cursor_x_hot, fader_cursor_y_hot);
1229         }
1230
1231         {
1232                 RefPtr<Bitmap> source, mask;
1233                 source = Bitmap::create (speaker_cursor_bits, speaker_cursor_width, speaker_cursor_height);
1234                 mask = Bitmap::create (speaker_cursor_mask_bits, speaker_cursor_width, speaker_cursor_height);
1235                 speaker_cursor = new Gdk::Cursor (source, mask, ffg, fbg, speaker_cursor_x_hot, speaker_cursor_y_hot);
1236         }
1237
1238         grabber_cursor = new Gdk::Cursor (HAND2);
1239         cross_hair_cursor = new Gdk::Cursor (CROSSHAIR);
1240         trimmer_cursor =  new Gdk::Cursor (SB_H_DOUBLE_ARROW);
1241         selector_cursor = new Gdk::Cursor (XTERM);
1242         time_fx_cursor = new Gdk::Cursor (SIZING);
1243         wait_cursor = new Gdk::Cursor  (WATCH);
1244         timebar_cursor = new Gdk::Cursor(LEFT_PTR);
1245 }
1246
1247 void
1248 Editor::popup_fade_context_menu (int button, int32_t time, ArdourCanvas::Item* item, ItemType item_type)
1249 {
1250         using namespace Menu_Helpers;
1251         AudioRegionView* arv = static_cast<AudioRegionView*> (item->get_data ("regionview"));
1252
1253         if (arv == 0) {
1254                 fatal << _("programming error: fade in canvas item has no regionview data pointer!") << endmsg;
1255                 /*NOTREACHED*/
1256         }
1257
1258         MenuList& items (fade_context_menu.items());
1259
1260         items.clear ();
1261
1262         switch (item_type) {
1263         case FadeInItem:
1264         case FadeInHandleItem:
1265                 if (arv->audio_region()->fade_in_active()) {
1266                         items.push_back (MenuElem (_("Deactivate"), bind (mem_fun (*this, &Editor::set_fade_in_active), false)));
1267                 } else {
1268                         items.push_back (MenuElem (_("Activate"), bind (mem_fun (*this, &Editor::set_fade_in_active), true)));
1269                 }
1270
1271                 items.push_back (SeparatorElem());
1272
1273                 if (Profile->get_sae()) {
1274                         items.push_back (MenuElem (_("Linear"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Linear)));
1275                         items.push_back (MenuElem (_("Slowest"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Fast)));
1276                 } else {
1277                         items.push_back (MenuElem (_("Linear"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Linear)));
1278                         items.push_back (MenuElem (_("Slowest"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Fast)));
1279                         items.push_back (MenuElem (_("Slow"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::LogB)));
1280                         items.push_back (MenuElem (_("Fast"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::LogA)));
1281                         items.push_back (MenuElem (_("Fastest"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Slow)));
1282                 }
1283                 break;
1284
1285         case FadeOutItem:
1286         case FadeOutHandleItem:
1287                 if (arv->audio_region()->fade_out_active()) {
1288                         items.push_back (MenuElem (_("Deactivate"), bind (mem_fun (*this, &Editor::set_fade_out_active), false)));
1289                 } else {
1290                         items.push_back (MenuElem (_("Activate"), bind (mem_fun (*this, &Editor::set_fade_out_active), true)));
1291                 }
1292
1293                 items.push_back (SeparatorElem());
1294
1295                 if (Profile->get_sae()) {
1296                         items.push_back (MenuElem (_("Linear"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Linear)));
1297                         items.push_back (MenuElem (_("Slowest"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Slow)));
1298                 } else {
1299                         items.push_back (MenuElem (_("Linear"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Linear)));
1300                         items.push_back (MenuElem (_("Slowest"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Slow)));
1301                         items.push_back (MenuElem (_("Slow"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::LogA)));
1302                         items.push_back (MenuElem (_("Fast"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::LogB)));
1303                         items.push_back (MenuElem (_("Fastest"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Fast)));
1304                 }
1305                 break;
1306
1307         default:
1308                 fatal << _("programming error: ")
1309                       << X_("non-fade canvas item passed to popup_fade_context_menu()")
1310                       << endmsg;
1311                 /*NOTREACHED*/
1312         }
1313
1314         fade_context_menu.popup (button, time);
1315 }
1316
1317 void
1318 Editor::popup_track_context_menu (int button, int32_t time, ItemType item_type, bool with_selection, nframes_t frame)
1319 {
1320         using namespace Menu_Helpers;
1321         Menu* (Editor::*build_menu_function)(nframes_t);
1322         Menu *menu;
1323
1324         switch (item_type) {
1325         case RegionItem:
1326         case RegionViewName:
1327         case RegionViewNameHighlight:
1328                 if (with_selection) {
1329                         build_menu_function = &Editor::build_track_selection_context_menu;
1330                 } else {
1331                         build_menu_function = &Editor::build_track_region_context_menu;
1332                 }
1333                 break;
1334
1335         case SelectionItem:
1336                 if (with_selection) {
1337                         build_menu_function = &Editor::build_track_selection_context_menu;
1338                 } else {
1339                         build_menu_function = &Editor::build_track_context_menu;
1340                 }
1341                 break;
1342
1343         case CrossfadeViewItem:
1344                 build_menu_function = &Editor::build_track_crossfade_context_menu;
1345                 break;
1346
1347         case StreamItem:
1348                 if (clicked_audio_trackview->get_diskstream()) {
1349                         build_menu_function = &Editor::build_track_context_menu;
1350                 } else {
1351                         build_menu_function = &Editor::build_track_bus_context_menu;
1352                 }
1353                 break;
1354
1355         default:
1356                 /* probably shouldn't happen but if it does, we don't care */
1357                 return;
1358         }
1359
1360         menu = (this->*build_menu_function)(frame);
1361         menu->set_name ("ArdourContextMenu");
1362
1363         /* now handle specific situations */
1364
1365         switch (item_type) {
1366         case RegionItem:
1367         case RegionViewName:
1368         case RegionViewNameHighlight:
1369                 if (!with_selection) {
1370                         if (region_edit_menu_split_item) {
1371                                 if (clicked_regionview && clicked_regionview->region()->covers (edit_cursor->current_frame)) {
1372                                         ActionManager::set_sensitive (ActionManager::edit_cursor_in_region_sensitive_actions, true);
1373                                 } else {
1374                                         ActionManager::set_sensitive (ActionManager::edit_cursor_in_region_sensitive_actions, false);
1375                                 }
1376                         }
1377                         /*
1378                         if (region_edit_menu_split_multichannel_item) {
1379                                 if (clicked_regionview && clicked_regionview->region().n_channels() > 1) {
1380                                         // GTK2FIX find the action, change its sensitivity
1381                                         // region_edit_menu_split_multichannel_item->set_sensitive (true);
1382                                 } else {
1383                                         // GTK2FIX see above
1384                                         // region_edit_menu_split_multichannel_item->set_sensitive (false);
1385                                 }
1386                         }*/
1387                 }
1388                 break;
1389
1390         case SelectionItem:
1391                 break;
1392
1393         case CrossfadeViewItem:
1394                 break;
1395
1396         case StreamItem:
1397                 break;
1398
1399         default:
1400                 /* probably shouldn't happen but if it does, we don't care */
1401                 return;
1402         }
1403
1404         if (item_type != SelectionItem && clicked_audio_trackview && clicked_audio_trackview->audio_track()) {
1405
1406                 /* Bounce to disk */
1407
1408                 using namespace Menu_Helpers;
1409                 MenuList& edit_items  = menu->items();
1410
1411                 edit_items.push_back (SeparatorElem());
1412
1413                 switch (clicked_audio_trackview->audio_track()->freeze_state()) {
1414                 case AudioTrack::NoFreeze:
1415                         edit_items.push_back (MenuElem (_("Freeze"), mem_fun(*this, &Editor::freeze_route)));
1416                         break;
1417
1418                 case AudioTrack::Frozen:
1419                         edit_items.push_back (MenuElem (_("Unfreeze"), mem_fun(*this, &Editor::unfreeze_route)));
1420                         break;
1421
1422                 case AudioTrack::UnFrozen:
1423                         edit_items.push_back (MenuElem (_("Freeze"), mem_fun(*this, &Editor::freeze_route)));
1424                         break;
1425                 }
1426
1427         }
1428
1429         menu->popup (button, time);
1430 }
1431
1432 Menu*
1433 Editor::build_track_context_menu (nframes_t ignored)
1434 {
1435         using namespace Menu_Helpers;
1436
1437         MenuList& edit_items = track_context_menu.items();
1438         edit_items.clear();
1439
1440         add_dstream_context_items (edit_items);
1441         return &track_context_menu;
1442 }
1443
1444 Menu*
1445 Editor::build_track_bus_context_menu (nframes_t ignored)
1446 {
1447         using namespace Menu_Helpers;
1448
1449         MenuList& edit_items = track_context_menu.items();
1450         edit_items.clear();
1451
1452         add_bus_context_items (edit_items);
1453         return &track_context_menu;
1454 }
1455
1456 Menu*
1457 Editor::build_track_region_context_menu (nframes_t frame)
1458 {
1459         using namespace Menu_Helpers;
1460         MenuList& edit_items  = track_region_context_menu.items();
1461         edit_items.clear();
1462
1463         AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*> (clicked_trackview);
1464
1465         if (atv) {
1466                 boost::shared_ptr<Diskstream> ds;
1467                 boost::shared_ptr<Playlist> pl;
1468
1469                 if ((ds = atv->get_diskstream()) && ((pl = ds->playlist()))) {
1470                         Playlist::RegionList* regions = pl->regions_at ((nframes_t) floor ( (double)frame * ds->speed()));
1471                         for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
1472                                 add_region_context_items (atv->audio_view(), (*i), edit_items);
1473                         }
1474                         delete regions;
1475                 }
1476         }
1477
1478         add_dstream_context_items (edit_items);
1479
1480         return &track_region_context_menu;
1481 }
1482
1483 Menu*
1484 Editor::build_track_crossfade_context_menu (nframes_t frame)
1485 {
1486         using namespace Menu_Helpers;
1487         MenuList& edit_items  = track_crossfade_context_menu.items();
1488         edit_items.clear ();
1489
1490         AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*> (clicked_trackview);
1491
1492         if (atv) {
1493                 boost::shared_ptr<Diskstream> ds;
1494                 boost::shared_ptr<Playlist> pl;
1495                 boost::shared_ptr<AudioPlaylist> apl;
1496
1497                 if ((ds = atv->get_diskstream()) && ((pl = ds->playlist()) != 0) && ((apl = boost::dynamic_pointer_cast<AudioPlaylist> (pl)) != 0)) {
1498
1499                         Playlist::RegionList* regions = pl->regions_at (frame);
1500                         AudioPlaylist::Crossfades xfades;
1501
1502                         apl->crossfades_at (frame, xfades);
1503
1504                         bool many = xfades.size() > 1;
1505
1506                         for (AudioPlaylist::Crossfades::iterator i = xfades.begin(); i != xfades.end(); ++i) {
1507                                 add_crossfade_context_items (atv->audio_view(), (*i), edit_items, many);
1508                         }
1509
1510                         for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
1511                                 add_region_context_items (atv->audio_view(), (*i), edit_items);
1512                         }
1513
1514                         delete regions;
1515                 }
1516         }
1517
1518         add_dstream_context_items (edit_items);
1519
1520         return &track_crossfade_context_menu;
1521 }
1522
1523 #ifdef FFT_ANALYSIS
1524 void
1525 Editor::analyze_region_selection()
1526 {
1527         if (analysis_window == 0) {
1528                 analysis_window = new AnalysisWindow();
1529
1530                 if (session != 0)
1531                         analysis_window->set_session(session);
1532
1533                 analysis_window->show_all();
1534         }
1535
1536         analysis_window->set_regionmode();
1537         analysis_window->analyze();
1538
1539         analysis_window->present();
1540 }
1541
1542 void
1543 Editor::analyze_range_selection()
1544 {
1545         if (analysis_window == 0) {
1546                 analysis_window = new AnalysisWindow();
1547
1548                 if (session != 0)
1549                         analysis_window->set_session(session);
1550
1551                 analysis_window->show_all();
1552         }
1553
1554         analysis_window->set_rangemode();
1555         analysis_window->analyze();
1556
1557         analysis_window->present();
1558 }
1559 #endif /* FFT_ANALYSIS */
1560
1561
1562
1563 Menu*
1564 Editor::build_track_selection_context_menu (nframes_t ignored)
1565 {
1566         using namespace Menu_Helpers;
1567         MenuList& edit_items  = track_selection_context_menu.items();
1568         edit_items.clear ();
1569
1570         add_selection_context_items (edit_items);
1571         // edit_items.push_back (SeparatorElem());
1572         // add_dstream_context_items (edit_items);
1573
1574         return &track_selection_context_menu;
1575 }
1576
1577 void
1578 Editor::add_crossfade_context_items (AudioStreamView* view, boost::shared_ptr<Crossfade> xfade, Menu_Helpers::MenuList& edit_items, bool many)
1579 {
1580         using namespace Menu_Helpers;
1581         Menu     *xfade_menu = manage (new Menu);
1582         MenuList& items       = xfade_menu->items();
1583         xfade_menu->set_name ("ArdourContextMenu");
1584         string str;
1585
1586         if (xfade->active()) {
1587                 str = _("Mute");
1588         } else {
1589                 str = _("Unmute");
1590         }
1591
1592         items.push_back (MenuElem (str, bind (mem_fun(*this, &Editor::toggle_xfade_active), boost::weak_ptr<Crossfade> (xfade))));
1593         items.push_back (MenuElem (_("Edit"), bind (mem_fun(*this, &Editor::edit_xfade), boost::weak_ptr<Crossfade> (xfade))));
1594
1595         if (xfade->can_follow_overlap()) {
1596
1597                 if (xfade->following_overlap()) {
1598                         str = _("Convert to short");
1599                 } else {
1600                         str = _("Convert to full");
1601                 }
1602
1603                 items.push_back (MenuElem (str, bind (mem_fun(*this, &Editor::toggle_xfade_length), xfade)));
1604         }
1605
1606         if (many) {
1607                 str = xfade->out()->name();
1608                 str += "->";
1609                 str += xfade->in()->name();
1610         } else {
1611                 str = _("Crossfade");
1612         }
1613
1614         edit_items.push_back (MenuElem (str, *xfade_menu));
1615         edit_items.push_back (SeparatorElem());
1616 }
1617
1618 void
1619 Editor::xfade_edit_left_region ()
1620 {
1621         if (clicked_crossfadeview) {
1622                 clicked_crossfadeview->left_view.show_region_editor ();
1623         }
1624 }
1625
1626 void
1627 Editor::xfade_edit_right_region ()
1628 {
1629         if (clicked_crossfadeview) {
1630                 clicked_crossfadeview->right_view.show_region_editor ();
1631         }
1632 }
1633
1634 void
1635 Editor::add_region_context_items (AudioStreamView* sv, boost::shared_ptr<Region> region, Menu_Helpers::MenuList& edit_items)
1636 {
1637         using namespace Menu_Helpers;
1638         Menu     *region_menu = manage (new Menu);
1639         MenuList& items       = region_menu->items();
1640         region_menu->set_name ("ArdourContextMenu");
1641
1642         boost::shared_ptr<AudioRegion> ar;
1643
1644         if (region) {
1645                 ar = boost::dynamic_pointer_cast<AudioRegion> (region);
1646         }
1647
1648         /* when this particular menu pops up, make the relevant region
1649            become selected.
1650         */
1651
1652         region_menu->signal_map_event().connect (bind (mem_fun(*this, &Editor::set_selected_regionview_from_map_event), sv, boost::weak_ptr<Region>(region)));
1653
1654         items.push_back (MenuElem (_("Popup region editor"), mem_fun(*this, &Editor::edit_region)));
1655         items.push_back (MenuElem (_("Raise to top layer"), mem_fun(*this, &Editor::raise_region_to_top)));
1656         items.push_back (MenuElem (_("Lower to bottom layer"), mem_fun  (*this, &Editor::lower_region_to_bottom)));
1657         items.push_back (SeparatorElem());
1658         items.push_back (MenuElem (_("Define sync point"), mem_fun(*this, &Editor::set_region_sync_from_edit_cursor)));
1659         items.push_back (MenuElem (_("Remove sync point"), mem_fun(*this, &Editor::remove_region_sync)));
1660         items.push_back (SeparatorElem());
1661
1662         items.push_back (MenuElem (_("Audition"), mem_fun(*this, &Editor::audition_selected_region)));
1663         items.push_back (MenuElem (_("Export"), mem_fun(*this, &Editor::export_region)));
1664         items.push_back (MenuElem (_("Bounce"), mem_fun(*this, &Editor::bounce_region_selection)));
1665
1666 #ifdef FFT_ANALYSIS
1667         items.push_back (MenuElem (_("Analyze region"), mem_fun(*this, &Editor::analyze_region_selection)));
1668 #endif
1669
1670         items.push_back (SeparatorElem());
1671
1672         sigc::connection fooc;
1673
1674         items.push_back (CheckMenuElem (_("Lock")));
1675         region_lock_item = static_cast<CheckMenuItem*>(&items.back());
1676         fooc = region_lock_item->signal_activate().connect (mem_fun(*this, &Editor::toggle_region_lock));
1677         if (region->locked()) {
1678                 fooc.block (true);
1679                 region_lock_item->set_active();
1680                 fooc.block (false);
1681         }
1682         items.push_back (CheckMenuElem (_("Mute")));
1683         region_mute_item = static_cast<CheckMenuItem*>(&items.back());
1684         fooc = region_mute_item->signal_activate().connect (mem_fun(*this, &Editor::toggle_region_mute));
1685         if (region->muted()) {
1686                 fooc.block (true);
1687                 region_mute_item->set_active();
1688                 fooc.block (false);
1689         }
1690
1691         if (!Profile->get_sae()) {
1692                 items.push_back (CheckMenuElem (_("Opaque")));
1693                 region_opaque_item = static_cast<CheckMenuItem*>(&items.back());
1694                 fooc = region_opaque_item->signal_activate().connect (mem_fun(*this, &Editor::toggle_region_opaque));
1695                 if (region->opaque()) {
1696                         fooc.block (true);
1697                         region_opaque_item->set_active();
1698                         fooc.block (false);
1699                 }
1700         }
1701
1702         items.push_back (CheckMenuElem (_("Original position"), mem_fun(*this, &Editor::naturalize)));
1703         if (region->at_natural_position()) {
1704                 items.back().set_sensitive (false);
1705         }
1706
1707         items.push_back (SeparatorElem());
1708
1709         if (ar) {
1710
1711                 RegionView* rv = sv->find_view (ar);
1712                 AudioRegionView* arv = dynamic_cast<AudioRegionView*>(rv);
1713
1714                 if (!Profile->get_sae()) {
1715                         items.push_back (MenuElem (_("Reset Envelope"), mem_fun(*this, &Editor::reset_region_gain_envelopes)));
1716
1717                         items.push_back (CheckMenuElem (_("Envelope Visible")));
1718                         region_envelope_visible_item = static_cast<CheckMenuItem*> (&items.back());
1719                         fooc = region_envelope_visible_item->signal_activate().connect (mem_fun(*this, &Editor::toggle_gain_envelope_visibility));
1720                         if (arv->envelope_visible()) {
1721                                 fooc.block (true);
1722                                 region_envelope_visible_item->set_active (true);
1723                                 fooc.block (false);
1724                         }
1725
1726                         items.push_back (CheckMenuElem (_("Envelope Active")));
1727                         region_envelope_active_item = static_cast<CheckMenuItem*> (&items.back());
1728                         fooc = region_envelope_active_item->signal_activate().connect (mem_fun(*this, &Editor::toggle_gain_envelope_active));
1729
1730                         if (ar->envelope_active()) {
1731                                 fooc.block (true);
1732                                 region_envelope_active_item->set_active (true);
1733                                 fooc.block (false);
1734                         }
1735
1736                         items.push_back (SeparatorElem());
1737                 }
1738
1739                 if (ar->scale_amplitude() != 1.0f) {
1740                         items.push_back (MenuElem (_("DeNormalize"), mem_fun(*this, &Editor::denormalize_region)));
1741                 } else {
1742                         items.push_back (MenuElem (_("Normalize"), mem_fun(*this, &Editor::normalize_region)));
1743                 }
1744         }
1745
1746         items.push_back (MenuElem (_("Reverse"), mem_fun(*this, &Editor::reverse_region)));
1747         items.push_back (SeparatorElem());
1748
1749         /* range related stuff */
1750
1751         items.push_back (MenuElem (_("Add Range Markers"), mem_fun (*this, &Editor::add_location_from_audio_region)));
1752         items.push_back (MenuElem (_("Set Range Selection"), mem_fun (*this, &Editor::set_selection_from_audio_region)));
1753         items.push_back (SeparatorElem());
1754
1755         /* Nudge region */
1756
1757         Menu *nudge_menu = manage (new Menu());
1758         MenuList& nudge_items = nudge_menu->items();
1759         nudge_menu->set_name ("ArdourContextMenu");
1760
1761         nudge_items.push_back (MenuElem (_("Nudge fwd"), (bind (mem_fun(*this, &Editor::nudge_forward), false))));
1762         nudge_items.push_back (MenuElem (_("Nudge bwd"), (bind (mem_fun(*this, &Editor::nudge_backward), false))));
1763         nudge_items.push_back (MenuElem (_("Nudge fwd by capture offset"), (mem_fun(*this, &Editor::nudge_forward_capture_offset))));
1764         nudge_items.push_back (MenuElem (_("Nudge bwd by capture offset"), (mem_fun(*this, &Editor::nudge_backward_capture_offset))));
1765
1766         items.push_back (MenuElem (_("Nudge"), *nudge_menu));
1767         items.push_back (SeparatorElem());
1768
1769         Menu *trim_menu = manage (new Menu);
1770         MenuList& trim_items = trim_menu->items();
1771         trim_menu->set_name ("ArdourContextMenu");
1772
1773         trim_items.push_back (MenuElem (_("Start to edit cursor"), mem_fun(*this, &Editor::trim_region_from_edit_cursor)));
1774         trim_items.push_back (MenuElem (_("Edit cursor to end"), mem_fun(*this, &Editor::trim_region_to_edit_cursor)));
1775
1776         items.push_back (MenuElem (_("Trim"), *trim_menu));
1777         items.push_back (SeparatorElem());
1778
1779         items.push_back (MenuElem (_("Split"), (mem_fun(*this, &Editor::split_region))));
1780         region_edit_menu_split_item = &items.back();
1781
1782         items.push_back (MenuElem (_("Make mono regions"), (mem_fun(*this, &Editor::split_multichannel_region))));
1783         region_edit_menu_split_multichannel_item = &items.back();
1784
1785         items.push_back (MenuElem (_("Duplicate"), (bind (mem_fun(*this, &Editor::duplicate_dialog), true))));
1786         items.push_back (MenuElem (_("Fill Track"), (mem_fun(*this, &Editor::region_fill_track))));
1787         items.push_back (SeparatorElem());
1788         items.push_back (MenuElem (_("Remove"), mem_fun(*this, &Editor::remove_clicked_region)));
1789
1790         /* OK, stick the region submenu at the top of the list, and then add
1791            the standard items.
1792         */
1793
1794         /* we have to hack up the region name because "_" has a special
1795            meaning for menu titles.
1796         */
1797
1798         string::size_type pos = 0;
1799         string menu_item_name = region->name();
1800
1801         while ((pos = menu_item_name.find ("_", pos)) != string::npos) {
1802                 menu_item_name.replace (pos, 1, "__");
1803                 pos += 2;
1804         }
1805
1806         edit_items.push_back (MenuElem (menu_item_name, *region_menu));
1807         edit_items.push_back (SeparatorElem());
1808 }
1809
1810 void
1811 Editor::add_selection_context_items (Menu_Helpers::MenuList& items)
1812 {
1813         using namespace Menu_Helpers;
1814
1815         items.push_back (MenuElem (_("Play range"), mem_fun(*this, &Editor::play_selection)));
1816         items.push_back (MenuElem (_("Loop range"), bind (mem_fun(*this, &Editor::set_loop_from_selection), true)));
1817
1818 #ifdef FFT_ANALYSIS
1819         items.push_back (SeparatorElem());
1820         items.push_back (MenuElem (_("Analyze range"), mem_fun(*this, &Editor::analyze_range_selection)));
1821 #endif
1822
1823         items.push_back (SeparatorElem());
1824         items.push_back (MenuElem (_("Extend Range to End of Region"), bind (mem_fun(*this, &Editor::extend_selection_to_end_of_region), false)));
1825         items.push_back (MenuElem (_("Extend Range to Start of Region"), bind (mem_fun(*this, &Editor::extend_selection_to_start_of_region), false)));
1826
1827         items.push_back (SeparatorElem());
1828         items.push_back (MenuElem (_("Convert to region in-place"), mem_fun(*this, &Editor::separate_region_from_selection)));
1829         items.push_back (MenuElem (_("Convert to region in region list"), mem_fun(*this, &Editor::new_region_from_selection)));
1830
1831         items.push_back (SeparatorElem());
1832         items.push_back (MenuElem (_("Select all in range"), mem_fun(*this, &Editor::select_all_selectables_using_time_selection)));
1833
1834         items.push_back (SeparatorElem());
1835         items.push_back (MenuElem (_("Set loop from selection"), bind (mem_fun(*this, &Editor::set_loop_from_selection), false)));
1836         items.push_back (MenuElem (_("Set punch from selection"), mem_fun(*this, &Editor::set_punch_from_selection)));
1837
1838         items.push_back (SeparatorElem());
1839         items.push_back (MenuElem (_("Add Range Markers"), mem_fun (*this, &Editor::add_location_from_selection)));
1840         items.push_back (SeparatorElem());
1841         items.push_back (MenuElem (_("Crop region to range"), mem_fun(*this, &Editor::crop_region_to_selection)));
1842         items.push_back (MenuElem (_("Fill range with region"), mem_fun(*this, &Editor::region_fill_selection)));
1843         items.push_back (MenuElem (_("Duplicate range"), bind (mem_fun(*this, &Editor::duplicate_dialog), false)));
1844         items.push_back (MenuElem (_("Create chunk from range"), mem_fun(*this, &Editor::create_named_selection)));
1845         items.push_back (SeparatorElem());
1846         items.push_back (MenuElem (_("Bounce range"), mem_fun(*this, &Editor::bounce_range_selection)));
1847         items.push_back (MenuElem (_("Export range"), mem_fun(*this, &Editor::export_selection)));
1848 }
1849
1850 void
1851 Editor::add_dstream_context_items (Menu_Helpers::MenuList& edit_items)
1852 {
1853         using namespace Menu_Helpers;
1854
1855         /* Playback */
1856
1857         Menu *play_menu = manage (new Menu);
1858         MenuList& play_items = play_menu->items();
1859         play_menu->set_name ("ArdourContextMenu");
1860
1861         play_items.push_back (MenuElem (_("Play from edit cursor"), mem_fun(*this, &Editor::play_from_edit_cursor)));
1862         play_items.push_back (MenuElem (_("Play from start"), mem_fun(*this, &Editor::play_from_start)));
1863         play_items.push_back (MenuElem (_("Play region"), mem_fun(*this, &Editor::play_selected_region)));
1864         play_items.push_back (SeparatorElem());
1865         play_items.push_back (MenuElem (_("Loop Region"), mem_fun(*this, &Editor::loop_selected_region)));
1866
1867         edit_items.push_back (MenuElem (_("Play"), *play_menu));
1868
1869         /* Selection */
1870
1871         Menu *select_menu = manage (new Menu);
1872         MenuList& select_items = select_menu->items();
1873         select_menu->set_name ("ArdourContextMenu");
1874
1875         select_items.push_back (MenuElem (_("Select All in track"), bind (mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
1876         select_items.push_back (MenuElem (_("Select All"), bind (mem_fun(*this, &Editor::select_all), Selection::Set)));
1877         select_items.push_back (MenuElem (_("Invert selection in track"), mem_fun(*this, &Editor::invert_selection_in_track)));
1878         select_items.push_back (MenuElem (_("Invert selection"), mem_fun(*this, &Editor::invert_selection)));
1879         select_items.push_back (SeparatorElem());
1880         select_items.push_back (MenuElem (_("Set range to loop range"), mem_fun(*this, &Editor::set_selection_from_loop)));
1881         select_items.push_back (MenuElem (_("Set range to punch range"), mem_fun(*this, &Editor::set_selection_from_punch)));
1882         select_items.push_back (SeparatorElem());
1883         select_items.push_back (MenuElem (_("Select all after edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, true)));
1884         select_items.push_back (MenuElem (_("Select all before edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, false)));
1885         select_items.push_back (MenuElem (_("Select all after playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
1886         select_items.push_back (MenuElem (_("Select all before playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
1887         select_items.push_back (MenuElem (_("Select all between cursors"), bind (mem_fun(*this, &Editor::select_all_selectables_between_cursors), playhead_cursor, edit_cursor)));
1888         select_items.push_back (SeparatorElem());
1889
1890         edit_items.push_back (MenuElem (_("Select"), *select_menu));
1891
1892         /* Cut-n-Paste */
1893
1894         Menu *cutnpaste_menu = manage (new Menu);
1895         MenuList& cutnpaste_items = cutnpaste_menu->items();
1896         cutnpaste_menu->set_name ("ArdourContextMenu");
1897
1898         cutnpaste_items.push_back (MenuElem (_("Cut"), mem_fun(*this, &Editor::cut)));
1899         cutnpaste_items.push_back (MenuElem (_("Copy"), mem_fun(*this, &Editor::copy)));
1900         cutnpaste_items.push_back (MenuElem (_("Paste at edit cursor"), bind (mem_fun(*this, &Editor::paste), 1.0f)));
1901         cutnpaste_items.push_back (MenuElem (_("Paste at mouse"), mem_fun(*this, &Editor::mouse_paste)));
1902
1903         cutnpaste_items.push_back (SeparatorElem());
1904
1905         cutnpaste_items.push_back (MenuElem (_("Align"), bind (mem_fun(*this, &Editor::align), ARDOUR::SyncPoint)));
1906         cutnpaste_items.push_back (MenuElem (_("Align Relative"), bind (mem_fun(*this, &Editor::align_relative), ARDOUR::SyncPoint)));
1907
1908         cutnpaste_items.push_back (SeparatorElem());
1909
1910         cutnpaste_items.push_back (MenuElem (_("Insert chunk"), bind (mem_fun(*this, &Editor::paste_named_selection), 1.0f)));
1911
1912         edit_items.push_back (MenuElem (_("Edit"), *cutnpaste_menu));
1913
1914         /* Adding new material */
1915
1916         edit_items.push_back (SeparatorElem());
1917         edit_items.push_back (MenuElem (_("Insert Selected Region"), bind (mem_fun(*this, &Editor::insert_region_list_selection), 1.0f)));
1918         edit_items.push_back (MenuElem (_("Insert Existing Audio"), bind (mem_fun(*this, &Editor::add_external_audio_action), ImportToTrack)));
1919
1920         /* Nudge track */
1921
1922         Menu *nudge_menu = manage (new Menu());
1923         MenuList& nudge_items = nudge_menu->items();
1924         nudge_menu->set_name ("ArdourContextMenu");
1925
1926         edit_items.push_back (SeparatorElem());
1927         nudge_items.push_back (MenuElem (_("Nudge entire track fwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, true))));
1928         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor fwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, true))));
1929         nudge_items.push_back (MenuElem (_("Nudge entire track bwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, false))));
1930         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor bwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, false))));
1931
1932         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
1933 }
1934
1935 void
1936 Editor::add_bus_context_items (Menu_Helpers::MenuList& edit_items)
1937 {
1938         using namespace Menu_Helpers;
1939
1940         /* Playback */
1941
1942         Menu *play_menu = manage (new Menu);
1943         MenuList& play_items = play_menu->items();
1944         play_menu->set_name ("ArdourContextMenu");
1945
1946         play_items.push_back (MenuElem (_("Play from edit cursor"), mem_fun(*this, &Editor::play_from_edit_cursor)));
1947         play_items.push_back (MenuElem (_("Play from start"), mem_fun(*this, &Editor::play_from_start)));
1948         edit_items.push_back (MenuElem (_("Play"), *play_menu));
1949
1950         /* Selection */
1951
1952         Menu *select_menu = manage (new Menu);
1953         MenuList& select_items = select_menu->items();
1954         select_menu->set_name ("ArdourContextMenu");
1955
1956         select_items.push_back (MenuElem (_("Select All in track"), bind (mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
1957         select_items.push_back (MenuElem (_("Select All"), bind (mem_fun(*this, &Editor::select_all), Selection::Set)));
1958         select_items.push_back (MenuElem (_("Invert selection in track"), mem_fun(*this, &Editor::invert_selection_in_track)));
1959         select_items.push_back (MenuElem (_("Invert selection"), mem_fun(*this, &Editor::invert_selection)));
1960         select_items.push_back (SeparatorElem());
1961         select_items.push_back (MenuElem (_("Select all after edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, true)));
1962         select_items.push_back (MenuElem (_("Select all before edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, false)));
1963         select_items.push_back (MenuElem (_("Select all after playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
1964         select_items.push_back (MenuElem (_("Select all before playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
1965
1966         edit_items.push_back (MenuElem (_("Select"), *select_menu));
1967
1968         /* Cut-n-Paste */
1969
1970         Menu *cutnpaste_menu = manage (new Menu);
1971         MenuList& cutnpaste_items = cutnpaste_menu->items();
1972         cutnpaste_menu->set_name ("ArdourContextMenu");
1973
1974         cutnpaste_items.push_back (MenuElem (_("Cut"), mem_fun(*this, &Editor::cut)));
1975         cutnpaste_items.push_back (MenuElem (_("Copy"), mem_fun(*this, &Editor::copy)));
1976         cutnpaste_items.push_back (MenuElem (_("Paste"), bind (mem_fun(*this, &Editor::paste), 1.0f)));
1977
1978         Menu *nudge_menu = manage (new Menu());
1979         MenuList& nudge_items = nudge_menu->items();
1980         nudge_menu->set_name ("ArdourContextMenu");
1981
1982         edit_items.push_back (SeparatorElem());
1983         nudge_items.push_back (MenuElem (_("Nudge entire track fwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, true))));
1984         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor fwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, true))));
1985         nudge_items.push_back (MenuElem (_("Nudge entire track bwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, false))));
1986         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor bwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, false))));
1987
1988         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
1989 }
1990
1991 /* CURSOR SETTING AND MARKS AND STUFF */
1992
1993 void
1994 Editor::set_snap_to (SnapType st)
1995 {
1996         snap_type = st;
1997         string str = snap_type_strings[(int) st];
1998
1999         if (str != snap_type_selector.get_active_text()) {
2000                 snap_type_selector.set_active_text (str);
2001         }
2002
2003         instant_save ();
2004
2005         switch (snap_type) {
2006         case SnapToAThirtysecondBeat:
2007         case SnapToASixteenthBeat:
2008         case SnapToAEighthBeat:
2009         case SnapToAQuarterBeat:
2010         case SnapToAThirdBeat:
2011                 update_tempo_based_rulers ();
2012         default:
2013                 /* relax */
2014                 break;
2015     }
2016 }
2017
2018 void
2019 Editor::set_snap_mode (SnapMode mode)
2020 {
2021         snap_mode = mode;
2022         string str = snap_mode_strings[(int)mode];
2023
2024         if (str != snap_mode_selector.get_active_text ()) {
2025                 snap_mode_selector.set_active_text (str);
2026         }
2027
2028         instant_save ();
2029 }
2030
2031 int
2032 Editor::set_state (const XMLNode& node)
2033 {
2034         const XMLProperty* prop;
2035         XMLNode* geometry;
2036         int x, y, xoff, yoff;
2037         Gdk::Geometry g;
2038
2039         if ((prop = node.property ("id")) != 0) {
2040                 _id = prop->value ();
2041         }
2042
2043         if ((geometry = find_named_node (node, "geometry")) == 0) {
2044
2045                 g.base_width = default_width;
2046                 g.base_height = default_height;
2047                 x = 1;
2048                 y = 1;
2049                 xoff = 0;
2050                 yoff = 21;
2051
2052         } else {
2053
2054                 g.base_width = atoi(geometry->property("x_size")->value());
2055                 g.base_height = atoi(geometry->property("y_size")->value());
2056                 x = atoi(geometry->property("x_pos")->value());
2057                 y = atoi(geometry->property("y_pos")->value());
2058                 xoff = atoi(geometry->property("x_off")->value());
2059                 yoff = atoi(geometry->property("y_off")->value());
2060         }
2061
2062         set_default_size (g.base_width, g.base_height);
2063         move (x, y);
2064
2065         if (session && (prop = node.property ("playhead"))) {
2066                 nframes_t pos = atol (prop->value().c_str());
2067                 playhead_cursor->set_position (pos);
2068         } else {
2069                 playhead_cursor->set_position (0);
2070
2071                 /* reset_x_origin() doesn't work right here, since the old
2072                    position may be zero already, and it does nothing in such
2073                    circumstances.
2074                 */
2075
2076                 leftmost_frame = 0;
2077                 horizontal_adjustment.set_value (0);
2078         }
2079
2080         if (session && (prop = node.property ("edit-cursor"))) {
2081                 nframes_t pos = atol (prop->value().c_str());
2082                 edit_cursor->set_position (pos);
2083         } else {
2084                 edit_cursor->set_position (0);
2085         }
2086
2087         if ((prop = node.property ("mixer-width"))) {
2088                 editor_mixer_strip_width = Width (string_2_enum (prop->value(), editor_mixer_strip_width));
2089         }
2090
2091         if ((prop = node.property ("zoom-focus"))) {
2092                 set_zoom_focus ((ZoomFocus) atoi (prop->value()));
2093         }
2094
2095         if ((prop = node.property ("zoom"))) {
2096                 reset_zoom (PBD::atof (prop->value()));
2097         }
2098
2099         if ((prop = node.property ("snap-to"))) {
2100                 set_snap_to ((SnapType) atoi (prop->value()));
2101         }
2102
2103         if ((prop = node.property ("snap-mode"))) {
2104                 set_snap_mode ((SnapMode) atoi (prop->value()));
2105         }
2106
2107         if ((prop = node.property ("mouse-mode"))) {
2108                 MouseMode m = str2mousemode(prop->value());
2109                 mouse_mode = MouseMode ((int) m + 1); /* lie, force mode switch */
2110                 set_mouse_mode (m, true);
2111         } else {
2112                 mouse_mode = MouseGain; /* lie, to force the mode switch */
2113                 set_mouse_mode (MouseObject, true);
2114         }
2115
2116         if ((prop = node.property ("show-waveforms"))) {
2117                 bool yn = (prop->value() == "yes");
2118                 _show_waveforms = !yn;
2119                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleWaveformVisibility"));
2120                 if (act) {
2121                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2122                         /* do it twice to force the change */
2123                         tact->set_active (!yn);
2124                         tact->set_active (yn);
2125                 }
2126         }
2127
2128         if ((prop = node.property ("show-waveforms-recording"))) {
2129                 bool yn = (prop->value() == "yes");
2130                 _show_waveforms_recording = !yn;
2131                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleWaveformsWhileRecording"));
2132                 if (act) {
2133                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2134                         /* do it twice to force the change */
2135                         tact->set_active (!yn);
2136                         tact->set_active (yn);
2137                 }
2138         }
2139
2140         if ((prop = node.property ("show-measures"))) {
2141                 bool yn = (prop->value() == "yes");
2142                 _show_measures = !yn;
2143                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleMeasureVisibility"));
2144                 if (act) {
2145                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2146                         /* do it twice to force the change */
2147                         tact->set_active (!yn);
2148                         tact->set_active (yn);
2149                 }
2150         }
2151
2152         if ((prop = node.property ("follow-playhead"))) {
2153                 bool yn = (prop->value() == "yes");
2154                 set_follow_playhead (yn);
2155                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
2156                 if (act) {
2157                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2158                         if (tact->get_active() != yn) {
2159                                 tact->set_active (yn);
2160                         }
2161                 }
2162         }
2163
2164         if ((prop = node.property ("region-list-sort-type"))) {
2165                 region_list_sort_type = (Editing::RegionListSortType) -1; // force change
2166                 reset_region_list_sort_type(str2regionlistsorttype(prop->value()));
2167         }
2168
2169         if ((prop = node.property ("xfades-visible"))) {
2170                 bool yn = (prop->value() == "yes");
2171                 _xfade_visibility = !yn;
2172                 // set_xfade_visibility (yn);
2173         }
2174
2175         if ((prop = node.property ("show-editor-mixer"))) {
2176
2177                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2178                 if (act) {
2179
2180                         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2181                         bool yn = (prop->value() == X_("yes"));
2182
2183                         /* do it twice to force the change */
2184
2185                         tact->set_active (!yn);
2186                         tact->set_active (yn);
2187                 }
2188         }
2189
2190
2191         return 0;
2192 }
2193
2194 XMLNode&
2195 Editor::get_state ()
2196 {
2197         XMLNode* node = new XMLNode ("Editor");
2198         char buf[32];
2199
2200         _id.print (buf, sizeof (buf));
2201         node->add_property ("id", buf);
2202
2203         if (is_realized()) {
2204                 Glib::RefPtr<Gdk::Window> win = get_window();
2205
2206                 int x, y, xoff, yoff, width, height;
2207                 win->get_root_origin(x, y);
2208                 win->get_position(xoff, yoff);
2209                 win->get_size(width, height);
2210
2211                 XMLNode* geometry = new XMLNode ("geometry");
2212
2213                 snprintf(buf, sizeof(buf), "%d", width);
2214                 geometry->add_property("x_size", string(buf));
2215                 snprintf(buf, sizeof(buf), "%d", height);
2216                 geometry->add_property("y_size", string(buf));
2217                 snprintf(buf, sizeof(buf), "%d", x);
2218                 geometry->add_property("x_pos", string(buf));
2219                 snprintf(buf, sizeof(buf), "%d", y);
2220                 geometry->add_property("y_pos", string(buf));
2221                 snprintf(buf, sizeof(buf), "%d", xoff);
2222                 geometry->add_property("x_off", string(buf));
2223                 snprintf(buf, sizeof(buf), "%d", yoff);
2224                 geometry->add_property("y_off", string(buf));
2225                 snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (static_cast<Paned*>(&edit_pane)->gobj()));
2226                 geometry->add_property("edit_pane_pos", string(buf));
2227
2228                 node->add_child_nocopy (*geometry);
2229         }
2230
2231         maybe_add_mixer_strip_width (*node);
2232
2233         snprintf (buf, sizeof(buf), "%d", (int) zoom_focus);
2234         node->add_property ("zoom-focus", buf);
2235         snprintf (buf, sizeof(buf), "%f", frames_per_unit);
2236         node->add_property ("zoom", buf);
2237         snprintf (buf, sizeof(buf), "%d", (int) snap_type);
2238         node->add_property ("snap-to", buf);
2239         snprintf (buf, sizeof(buf), "%d", (int) snap_mode);
2240         node->add_property ("snap-mode", buf);
2241
2242         snprintf (buf, sizeof (buf), "%" PRIu32, playhead_cursor->current_frame);
2243         node->add_property ("playhead", buf);
2244         snprintf (buf, sizeof (buf), "%" PRIu32, edit_cursor->current_frame);
2245         node->add_property ("edit-cursor", buf);
2246
2247         node->add_property ("show-waveforms", _show_waveforms ? "yes" : "no");
2248         node->add_property ("show-waveforms-recording", _show_waveforms_recording ? "yes" : "no");
2249         node->add_property ("show-measures", _show_measures ? "yes" : "no");
2250         node->add_property ("follow-playhead", _follow_playhead ? "yes" : "no");
2251         node->add_property ("xfades-visible", _xfade_visibility ? "yes" : "no");
2252         node->add_property ("region-list-sort-type", enum2str(region_list_sort_type));
2253         node->add_property ("mouse-mode", enum2str(mouse_mode));
2254
2255         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2256         if (act) {
2257                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2258                 node->add_property (X_("show-editor-mixer"), tact->get_active() ? "yes" : "no");
2259         }
2260
2261         return *node;
2262 }
2263
2264
2265
2266 TimeAxisView *
2267 Editor::trackview_by_y_position (double y)
2268 {
2269         for (TrackViewList::iterator iter = track_views.begin(); iter != track_views.end(); ++iter) {
2270
2271                 TimeAxisView *tv;
2272
2273                 if ((tv = (*iter)->covers_y_position (y)) != 0) {
2274                         return tv;
2275                 }
2276         }
2277
2278         return 0;
2279 }
2280
2281 void
2282 Editor::snap_to (nframes64_t& start, int32_t direction, bool for_mark)
2283 {
2284         Location* before = 0;
2285         Location* after = 0;
2286
2287         if (!session) {
2288                 return;
2289         }
2290
2291         const nframes64_t one_second = session->frame_rate();
2292         const nframes64_t one_minute = session->frame_rate() * 60;
2293         const nframes64_t one_smpte_second = (nframes64_t)(rint(session->smpte_frames_per_second()) * session->frames_per_smpte_frame());
2294         nframes64_t one_smpte_minute = (nframes64_t)(rint(session->smpte_frames_per_second()) * session->frames_per_smpte_frame() * 60);
2295         nframes64_t presnap = start;
2296
2297         switch (snap_type) {
2298         case SnapToFrame:
2299                 break;
2300
2301         case SnapToCDFrame:
2302                 if (direction) {
2303                         start = (nframes_t) ceil ((double) start / (one_second / 75)) * (one_second / 75);
2304                 } else {
2305                         start = (nframes_t) floor ((double) start / (one_second / 75)) * (one_second / 75);
2306                 }
2307                 break;
2308
2309         case SnapToSMPTEFrame:
2310                 if (fmod((double)start, (double)session->frames_per_smpte_frame()) > (session->frames_per_smpte_frame() / 2)) {
2311                         start = (nframes_t) (ceil ((double) start / session->frames_per_smpte_frame()) * session->frames_per_smpte_frame());
2312                 } else {
2313                         start = (nframes_t) (floor ((double) start / session->frames_per_smpte_frame()) *  session->frames_per_smpte_frame());
2314                 }
2315                 break;
2316
2317         case SnapToSMPTESeconds:
2318                 if (session->smpte_offset_negative())
2319                 {
2320                         start += session->smpte_offset ();
2321                 } else {
2322                         start -= session->smpte_offset ();
2323                 }
2324                 if (start % one_smpte_second > one_smpte_second / 2) {
2325                         start = (nframes_t) ceil ((double) start / one_smpte_second) * one_smpte_second;
2326                 } else {
2327                         start = (nframes_t) floor ((double) start / one_smpte_second) * one_smpte_second;
2328                 }
2329
2330                 if (session->smpte_offset_negative())
2331                 {
2332                         start -= session->smpte_offset ();
2333                 } else {
2334                         start += session->smpte_offset ();
2335                 }
2336                 break;
2337
2338         case SnapToSMPTEMinutes:
2339                 if (session->smpte_offset_negative())
2340                 {
2341                         start += session->smpte_offset ();
2342                 } else {
2343                         start -= session->smpte_offset ();
2344                 }
2345                 if (start % one_smpte_minute > one_smpte_minute / 2) {
2346                         start = (nframes_t) ceil ((double) start / one_smpte_minute) * one_smpte_minute;
2347                 } else {
2348                         start = (nframes_t) floor ((double) start / one_smpte_minute) * one_smpte_minute;
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 SnapToSeconds:
2359                 if (start % one_second > one_second / 2) {
2360                         start = (nframes_t) ceil ((double) start / one_second) * one_second;
2361                 } else {
2362                         start = (nframes_t) floor ((double) start / one_second) * one_second;
2363                 }
2364                 break;
2365
2366         case SnapToMinutes:
2367                 if (start % one_minute > one_minute / 2) {
2368                         start = (nframes_t) ceil ((double) start / one_minute) * one_minute;
2369                 } else {
2370                         start = (nframes_t) floor ((double) start / one_minute) * one_minute;
2371                 }
2372                 break;
2373
2374         case SnapToBar:
2375                 start = session->tempo_map().round_to_bar (start, direction);
2376                 break;
2377
2378         case SnapToBeat:
2379                 start = session->tempo_map().round_to_beat (start, direction);
2380                 break;
2381
2382         case SnapToAThirtysecondBeat:
2383                 start = session->tempo_map().round_to_beat_subdivision (start, 32);
2384                 break;
2385
2386         case SnapToASixteenthBeat:
2387                 start = session->tempo_map().round_to_beat_subdivision (start, 16);
2388                 break;
2389
2390         case SnapToAEighthBeat:
2391                 start = session->tempo_map().round_to_beat_subdivision (start, 8);
2392                 break;
2393
2394         case SnapToAQuarterBeat:
2395                 start = session->tempo_map().round_to_beat_subdivision (start, 4);
2396                 break;
2397
2398         case SnapToAThirdBeat:
2399                 start = session->tempo_map().round_to_beat_subdivision (start, 3);
2400                 break;
2401
2402         case SnapToEditCursor:
2403                 start = edit_cursor->current_frame;
2404                 break;
2405
2406         case SnapToMark:
2407                 if (for_mark) {
2408                         return;
2409                 }
2410
2411                 before = session->locations()->first_location_before (start);
2412                 after = session->locations()->first_location_after (start);
2413
2414                 if (direction < 0) {
2415                         if (before) {
2416                                 start = before->start();
2417                         } else {
2418                                 start = 0;
2419                         }
2420                 } else if (direction > 0) {
2421                         if (after) {
2422                                 start = after->start();
2423                         } else {
2424                                 start = session->current_end_frame();
2425                         }
2426                 } else {
2427                         if (before) {
2428                                 if (after) {
2429                                         /* find nearest of the two */
2430                                         if ((start - before->start()) < (after->start() - start)) {
2431                                                 start = before->start();
2432                                         } else {
2433                                                 start = after->start();
2434                                         }
2435                                 } else {
2436                                         start = before->start();
2437                                 }
2438                         } else if (after) {
2439                                 start = after->start();
2440                         } else {
2441                                 /* relax */
2442                         }
2443                 }
2444                 break;
2445
2446         case SnapToRegionStart:
2447         case SnapToRegionEnd:
2448         case SnapToRegionSync:
2449         case SnapToRegionBoundary:
2450                 if (!region_boundary_cache.empty()) {
2451                         vector<nframes_t>::iterator i;
2452
2453                         if (direction > 0) {
2454                                 i = std::upper_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2455                         } else {
2456                                 i = std::lower_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2457                         }
2458
2459                         if (i != region_boundary_cache.end()) {
2460                                 start = *i;
2461                         } else {
2462                                 start = region_boundary_cache.back();
2463                         }
2464                 }
2465                 break;
2466         }
2467
2468         switch (snap_mode) {
2469         case SnapNormal:
2470                 return;
2471
2472         case SnapMagnetic:
2473
2474                 if (presnap > start) {
2475                         if (presnap > (start + unit_to_frame(snap_threshold))) {
2476                                 start = presnap;
2477                         }
2478
2479                 } else if (presnap < start) {
2480                         if (presnap < (start - unit_to_frame(snap_threshold))) {
2481                                 start = presnap;
2482                         }
2483                 }
2484
2485         default:
2486                 return;
2487
2488         }
2489 }
2490
2491 void
2492 Editor::setup_toolbar ()
2493 {
2494         string pixmap_path;
2495
2496         const guint32 FUDGE = 18; // Combo's are stupid - they steal space from the entry for the button
2497
2498
2499         /* Mode Buttons (tool selection) */
2500
2501         vector<ToggleButton *> mouse_mode_buttons;
2502
2503         mouse_move_button.add (*(manage (new Image (::get_icon("tool_object")))));
2504         mouse_move_button.set_relief(Gtk::RELIEF_NONE);
2505         mouse_mode_buttons.push_back (&mouse_move_button);
2506         mouse_select_button.add (*(manage (new Image (get_xpm("tool_range.xpm")))));
2507         mouse_select_button.set_relief(Gtk::RELIEF_NONE);
2508         mouse_mode_buttons.push_back (&mouse_select_button);
2509         mouse_gain_button.add (*(manage (new Image (::get_icon("tool_gain")))));
2510         mouse_gain_button.set_relief(Gtk::RELIEF_NONE);
2511         mouse_mode_buttons.push_back (&mouse_gain_button);
2512         mouse_zoom_button.add (*(manage (new Image (::get_icon("tool_zoom")))));
2513         mouse_zoom_button.set_relief(Gtk::RELIEF_NONE);
2514         mouse_mode_buttons.push_back (&mouse_zoom_button);
2515         mouse_timefx_button.add (*(manage (new Image (::get_icon("tool_stretch")))));
2516         mouse_timefx_button.set_relief(Gtk::RELIEF_NONE);
2517         mouse_mode_buttons.push_back (&mouse_timefx_button);
2518         mouse_audition_button.add (*(manage (new Image (::get_icon("tool_audition")))));
2519         mouse_audition_button.set_relief(Gtk::RELIEF_NONE);
2520         mouse_mode_buttons.push_back (&mouse_audition_button);
2521
2522         mouse_mode_button_set = new GroupedButtons (mouse_mode_buttons);
2523
2524         HBox* mode_box = manage(new HBox);
2525         mode_box->set_border_width (2);
2526         mode_box->set_spacing(4);
2527         mouse_mode_button_box.set_spacing(1);
2528         mouse_mode_button_box.pack_start(mouse_move_button, true, true);
2529         mouse_mode_button_box.pack_start(mouse_select_button, true, true);
2530         mouse_mode_button_box.pack_start(mouse_zoom_button, true, true);
2531         mouse_mode_button_box.pack_start(mouse_gain_button, true, true);
2532         mouse_mode_button_box.pack_start(mouse_timefx_button, true, true);
2533         mouse_mode_button_box.pack_start(mouse_audition_button, true, true);
2534         mouse_mode_button_box.set_homogeneous(true);
2535
2536         vector<string> edit_mode_strings;
2537         edit_mode_strings.push_back (edit_mode_to_string (Splice));
2538         edit_mode_strings.push_back (edit_mode_to_string (Slide));
2539
2540         edit_mode_selector.set_name ("EditModeSelector");
2541         Gtkmm2ext::set_size_request_to_display_given_text (edit_mode_selector, longest (edit_mode_strings).c_str(), 2+FUDGE, 10);
2542         set_popdown_strings (edit_mode_selector, edit_mode_strings);
2543         edit_mode_selector.signal_changed().connect (mem_fun(*this, &Editor::edit_mode_selection_done));
2544
2545         mode_box->pack_start(edit_mode_selector);
2546         mode_box->pack_start(mouse_mode_button_box);
2547
2548         mouse_mode_tearoff = manage (new TearOff (*mode_box));
2549         mouse_mode_tearoff->set_name ("MouseModeBase");
2550
2551         mouse_mode_tearoff->Detach.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2552                                                   &mouse_mode_tearoff->tearoff_window()));
2553         mouse_mode_tearoff->Attach.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2554                                                   &mouse_mode_tearoff->tearoff_window(), 1));
2555         mouse_mode_tearoff->Hidden.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2556                                                   &mouse_mode_tearoff->tearoff_window()));
2557         mouse_mode_tearoff->Visible.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2558                                                    &mouse_mode_tearoff->tearoff_window(), 1));
2559
2560         mouse_move_button.set_name ("MouseModeButton");
2561         mouse_select_button.set_name ("MouseModeButton");
2562         mouse_gain_button.set_name ("MouseModeButton");
2563         mouse_zoom_button.set_name ("MouseModeButton");
2564         mouse_timefx_button.set_name ("MouseModeButton");
2565         mouse_audition_button.set_name ("MouseModeButton");
2566
2567         ARDOUR_UI::instance()->tooltips().set_tip (mouse_move_button, _("Select/Move Objects"));
2568         ARDOUR_UI::instance()->tooltips().set_tip (mouse_select_button, _("Select/Move Ranges"));
2569         ARDOUR_UI::instance()->tooltips().set_tip (mouse_gain_button, _("Draw Gain Automation"));
2570         ARDOUR_UI::instance()->tooltips().set_tip (mouse_zoom_button, _("Select Zoom Range"));
2571         ARDOUR_UI::instance()->tooltips().set_tip (mouse_timefx_button, _("Stretch/Shrink Regions"));
2572         ARDOUR_UI::instance()->tooltips().set_tip (mouse_audition_button, _("Listen to Specific Regions"));
2573
2574         mouse_move_button.unset_flags (CAN_FOCUS);
2575         mouse_select_button.unset_flags (CAN_FOCUS);
2576         mouse_gain_button.unset_flags (CAN_FOCUS);
2577         mouse_zoom_button.unset_flags (CAN_FOCUS);
2578         mouse_timefx_button.unset_flags (CAN_FOCUS);
2579         mouse_audition_button.unset_flags (CAN_FOCUS);
2580
2581         mouse_select_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseRange));
2582         mouse_select_button.signal_button_release_event().connect (mem_fun(*this, &Editor::mouse_select_button_release));
2583
2584         mouse_move_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseObject));
2585         mouse_gain_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseGain));
2586         mouse_zoom_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseZoom));
2587         mouse_timefx_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseTimeFX));
2588         mouse_audition_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseAudition));
2589
2590         // mouse_move_button.set_active (true);
2591
2592
2593         /* Zoom */
2594
2595         zoom_box.set_spacing (1);
2596         zoom_box.set_border_width (2);
2597
2598         zoom_in_button.set_name ("EditorTimeButton");
2599         zoom_in_button.set_size_request(-1,16);
2600         zoom_in_button.add (*(manage (new Image (::get_icon("zoom_in")))));
2601         zoom_in_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::temporal_zoom_step), false));
2602         ARDOUR_UI::instance()->tooltips().set_tip (zoom_in_button, _("Zoom In"));
2603
2604         zoom_out_button.set_name ("EditorTimeButton");
2605         zoom_out_button.set_size_request(-1,16);
2606         zoom_out_button.add (*(manage (new Image (::get_icon("zoom_out")))));
2607         zoom_out_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::temporal_zoom_step), true));
2608         ARDOUR_UI::instance()->tooltips().set_tip (zoom_out_button, _("Zoom Out"));
2609
2610         zoom_out_full_button.set_name ("EditorTimeButton");
2611         zoom_out_full_button.set_size_request(-1,16);
2612         zoom_out_full_button.add (*(manage (new Image (::get_icon("zoom_full")))));
2613         zoom_out_full_button.signal_clicked().connect (mem_fun(*this, &Editor::temporal_zoom_session));
2614         ARDOUR_UI::instance()->tooltips().set_tip (zoom_out_full_button, _("Zoom to Session"));
2615
2616         zoom_focus_selector.set_name ("ZoomFocusSelector");
2617         Gtkmm2ext::set_size_request_to_display_given_text (zoom_focus_selector, "Edit Cursor", FUDGE, 0);
2618         set_popdown_strings (zoom_focus_selector, zoom_focus_strings);
2619         zoom_focus_selector.signal_changed().connect (mem_fun(*this, &Editor::zoom_focus_selection_done));
2620         ARDOUR_UI::instance()->tooltips().set_tip (zoom_focus_selector, _("Zoom focus"));
2621
2622         zoom_box.pack_start (zoom_focus_selector, true, true);
2623         zoom_box.pack_start (zoom_out_button, false, false);
2624         zoom_box.pack_start (zoom_in_button, false, false);
2625         zoom_box.pack_start (zoom_out_full_button, false, false);
2626
2627         /* Edit Cursor / Snap */
2628
2629         snap_box.set_spacing (1);
2630         snap_box.set_border_width (2);
2631
2632         snap_type_selector.set_name ("SnapTypeSelector");
2633         Gtkmm2ext::set_size_request_to_display_given_text (snap_type_selector, "SMPTE Seconds", 2+FUDGE, 10);
2634         set_popdown_strings (snap_type_selector, snap_type_strings);
2635         snap_type_selector.signal_changed().connect (mem_fun(*this, &Editor::snap_type_selection_done));
2636         ARDOUR_UI::instance()->tooltips().set_tip (snap_type_selector, _("Unit to snap cursors and ranges to"));
2637
2638         snap_mode_selector.set_name ("SnapModeSelector");
2639         Gtkmm2ext::set_size_request_to_display_given_text (snap_mode_selector, "Magnetic Snap", 2+FUDGE, 10);
2640         set_popdown_strings (snap_mode_selector, snap_mode_strings);
2641         snap_mode_selector.signal_changed().connect (mem_fun(*this, &Editor::snap_mode_selection_done));
2642
2643         snap_box.pack_start (edit_cursor_clock, false, false);
2644         snap_box.pack_start (snap_mode_selector, false, false);
2645         snap_box.pack_start (snap_type_selector, false, false);
2646
2647
2648         /* Nudge */
2649
2650         HBox *nudge_box = manage (new HBox);
2651         nudge_box->set_spacing(1);
2652         nudge_box->set_border_width (2);
2653
2654         nudge_forward_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::nudge_forward), false));
2655         nudge_backward_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::nudge_backward), false));
2656
2657         nudge_box->pack_start (nudge_backward_button, false, false);
2658         nudge_box->pack_start (nudge_forward_button, false, false);
2659         nudge_box->pack_start (nudge_clock, false, false);
2660
2661
2662         /* Pack everything in... */
2663
2664         HBox* hbox = new HBox;
2665         hbox->set_spacing(10);
2666
2667         tools_tearoff = new TearOff (*hbox);
2668         tools_tearoff->set_name ("MouseModeBase");
2669
2670         tools_tearoff->Detach.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2671                                              &tools_tearoff->tearoff_window()));
2672         tools_tearoff->Attach.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2673                                              &tools_tearoff->tearoff_window(), 0));
2674         tools_tearoff->Hidden.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2675                                              &tools_tearoff->tearoff_window()));
2676         tools_tearoff->Visible.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2677                                               &tools_tearoff->tearoff_window(), 0));
2678
2679         toolbar_hbox.set_spacing (10);
2680         toolbar_hbox.set_border_width (1);
2681
2682         toolbar_hbox.pack_start (*mouse_mode_tearoff, false, false);
2683         toolbar_hbox.pack_start (*tools_tearoff, false, false);
2684
2685
2686         hbox->pack_start (snap_box, false, false);
2687         // hbox->pack_start (zoom_box, false, false);
2688         hbox->pack_start (*nudge_box, false, false);
2689
2690         hbox->show_all ();
2691
2692         toolbar_base.set_name ("ToolBarBase");
2693         toolbar_base.add (toolbar_hbox);
2694
2695         toolbar_frame.set_shadow_type (SHADOW_OUT);
2696         toolbar_frame.set_name ("BaseFrame");
2697         toolbar_frame.add (toolbar_base);
2698 }
2699
2700 int
2701 Editor::convert_drop_to_paths (vector<ustring>& paths,
2702                                const RefPtr<Gdk::DragContext>& context,
2703                                gint                x,
2704                                gint                y,
2705                                const SelectionData& data,
2706                                guint               info,
2707                                guint               time)
2708
2709 {
2710         if (session == 0) {
2711                 return -1;
2712         }
2713
2714         vector<ustring> uris = data.get_uris();
2715
2716         cerr << "there were " << uris.size() << " in that drag data\n";
2717
2718         if (uris.empty()) {
2719
2720                 /* This is seriously fucked up. Nautilus doesn't say that its URI lists
2721                    are actually URI lists. So do it by hand.
2722                 */
2723
2724                 if (data.get_target() != "text/plain") {
2725                         return -1;
2726                 }
2727
2728                 /* Parse the "uri-list" format that Nautilus provides,
2729                    where each pathname is delimited by \r\n
2730                 */
2731
2732                 const char* p = data.get_text().c_str();
2733                 const char* q;
2734
2735                 while (p)
2736                 {
2737                         if (*p != '#')
2738                         {
2739                                 while (g_ascii_isspace (*p))
2740                                         p++;
2741
2742                                 q = p;
2743                                 while (*q && (*q != '\n') && (*q != '\r'))
2744                                         q++;
2745
2746                                 if (q > p)
2747                                 {
2748                                         q--;
2749                                         while (q > p && g_ascii_isspace (*q))
2750                                                 q--;
2751
2752                                         if (q > p)
2753                                         {
2754                                                 uris.push_back (ustring (p, q - p + 1));
2755                                         }
2756                                 }
2757                         }
2758                         p = strchr (p, '\n');
2759                         if (p)
2760                                 p++;
2761                 }
2762
2763                 if (uris.empty()) {
2764                         return -1;
2765                 }
2766         }
2767
2768         for (vector<ustring>::iterator i = uris.begin(); i != uris.end(); ++i) {
2769
2770                 if ((*i).substr (0,7) == "file://") {
2771
2772
2773                         ustring p = *i;
2774                         PBD::url_decode (p);
2775
2776                         // scan forward past three slashes
2777
2778                         ustring::size_type slashcnt = 0;
2779                         ustring::size_type n = 0;
2780                         ustring::iterator x = p.begin();
2781
2782                         while (slashcnt < 3 && x != p.end()) {
2783                                 if ((*x) == '/') {
2784                                         slashcnt++;
2785                                 } else if (slashcnt == 3) {
2786                                         break;
2787                                 }
2788                                 ++n;
2789                                 ++x;
2790                         }
2791
2792                         if (slashcnt != 3 || x == p.end()) {
2793                                 error << _("malformed URL passed to drag-n-drop code") << endmsg;
2794                                 continue;
2795                         }
2796
2797                         paths.push_back (p.substr (n - 1));
2798                 }
2799         }
2800
2801         return 0;
2802 }
2803
2804 void
2805 Editor::new_tempo_section ()
2806
2807 {
2808 }
2809
2810 void
2811 Editor::map_transport_state ()
2812 {
2813         ENSURE_GUI_THREAD (mem_fun(*this, &Editor::map_transport_state));
2814
2815         if (session->transport_stopped()) {
2816                 have_pending_keyboard_selection = false;
2817         }
2818
2819         update_loop_range_view (true);
2820 }
2821
2822 /* UNDO/REDO */
2823
2824 Editor::State::State ()
2825 {
2826         selection = new Selection;
2827 }
2828
2829 Editor::State::~State ()
2830 {
2831         delete selection;
2832 }
2833
2834 UndoAction
2835 Editor::get_memento () const
2836 {
2837         State *state = new State;
2838
2839         store_state (*state);
2840         return bind (mem_fun (*(const_cast<Editor*>(this)), &Editor::restore_state), state);
2841 }
2842
2843 void
2844 Editor::store_state (State& state) const
2845 {
2846         *state.selection = *selection;
2847 }
2848
2849 void
2850 Editor::restore_state (State *state)
2851 {
2852         if (*selection == *state->selection) {
2853                 return;
2854         }
2855
2856         *selection = *state->selection;
2857         time_selection_changed ();
2858         region_selection_changed ();
2859
2860         /* XXX other selection change handlers? */
2861 }
2862
2863 void
2864 Editor::begin_reversible_command (string name)
2865 {
2866         if (session) {
2867                 // before = &get_state();
2868                 session->begin_reversible_command (name);
2869         }
2870 }
2871
2872 void
2873 Editor::commit_reversible_command ()
2874 {
2875         if (session) {
2876                 // session->commit_reversible_command (new MementoCommand<Editor>(*this, before, &get_state()));
2877                 session->commit_reversible_command ();
2878         }
2879 }
2880
2881 void
2882 Editor::set_edit_group_solo (Route& route, bool yn)
2883 {
2884         RouteGroup *edit_group;
2885
2886         if ((edit_group = route.edit_group()) != 0) {
2887                 edit_group->apply (&Route::set_solo, yn, this);
2888         } else {
2889                 route.set_solo (yn, this);
2890         }
2891 }
2892
2893 void
2894 Editor::set_edit_group_mute (Route& route, bool yn)
2895 {
2896         RouteGroup *edit_group = 0;
2897
2898         if ((edit_group == route.edit_group()) != 0) {
2899                 edit_group->apply (&Route::set_mute, yn, this);
2900         } else {
2901                 route.set_mute (yn, this);
2902         }
2903 }
2904
2905 void
2906 Editor::history_changed ()
2907 {
2908         string label;
2909
2910         if (undo_action && session) {
2911                 if (session->undo_depth() == 0) {
2912                         label = _("Undo");
2913                 } else {
2914                         label = string_compose(_("Undo (%1)"), session->next_undo());
2915                 }
2916                 undo_action->property_label() = label;
2917         }
2918
2919         if (redo_action && session) {
2920                 if (session->redo_depth() == 0) {
2921                         label = _("Redo");
2922                 } else {
2923                         label = string_compose(_("Redo (%1)"), session->next_redo());
2924                 }
2925                 redo_action->property_label() = label;
2926         }
2927 }
2928
2929 void
2930 Editor::duplicate_dialog (bool dup_region)
2931 {
2932         if (selection->regions.empty() && (selection->time.length() == 0)) {
2933                 return;
2934         }
2935
2936         ArdourDialog win ("duplicate dialog");
2937         Label  label (_("Duplicate how many times?"));
2938         Adjustment adjustment (1.0, 1.0, 1000000.0, 1.0, 5.0);
2939         SpinButton spinner (adjustment);
2940
2941         win.get_vbox()->set_spacing (12);
2942         win.get_vbox()->pack_start (label);
2943
2944         /* dialogs have ::add_action_widget() but that puts the spinner in the wrong
2945            place, visually. so do this by hand.
2946         */
2947
2948         win.get_vbox()->pack_start (spinner);
2949         spinner.signal_activate().connect (sigc::bind (mem_fun (win, &ArdourDialog::response), RESPONSE_ACCEPT));
2950
2951         label.show ();
2952         spinner.show ();
2953
2954         win.add_button (Stock::OK, RESPONSE_ACCEPT);
2955         win.add_button (Stock::CANCEL, RESPONSE_CANCEL);
2956
2957         win.set_position (WIN_POS_MOUSE);
2958
2959         spinner.grab_focus ();
2960
2961         switch (win.run ()) {
2962         case RESPONSE_ACCEPT:
2963                 break;
2964         default:
2965                 return;
2966         }
2967
2968         float times = adjustment.get_value();
2969
2970         if (!selection->regions.empty()) {
2971                 duplicate_some_regions (selection->regions, times);
2972         } else {
2973                 duplicate_selection (times);
2974         }
2975 }
2976
2977 void
2978 Editor::show_verbose_canvas_cursor ()
2979 {
2980         verbose_canvas_cursor->raise_to_top();
2981         verbose_canvas_cursor->show();
2982         verbose_cursor_visible = true;
2983 }
2984
2985 void
2986 Editor::hide_verbose_canvas_cursor ()
2987 {
2988         verbose_canvas_cursor->hide();
2989         verbose_cursor_visible = false;
2990 }
2991
2992 void
2993 Editor::set_verbose_canvas_cursor (const string & txt, double x, double y)
2994 {
2995         /* XXX get origin of canvas relative to root window,
2996            add x and y and check compared to gdk_screen_{width,height}
2997         */
2998         verbose_canvas_cursor->property_text() = txt.c_str();
2999         verbose_canvas_cursor->property_x() = x;
3000         verbose_canvas_cursor->property_y() = y;
3001 }
3002
3003 void
3004 Editor::set_verbose_canvas_cursor_text (const string & txt)
3005 {
3006         verbose_canvas_cursor->property_text() = txt.c_str();
3007 }
3008
3009 void
3010 Editor::edit_mode_selection_done ()
3011 {
3012         if (session == 0) {
3013                 return;
3014         }
3015
3016         string choice = edit_mode_selector.get_active_text();
3017         EditMode mode = Slide;
3018
3019         if (choice == _("Splice Edit")) {
3020                 mode = Splice;
3021         } else if (choice == _("Slide Edit")) {
3022                 mode = Slide;
3023         }
3024
3025         Config->set_edit_mode (mode);
3026 }
3027
3028 void
3029 Editor::snap_type_selection_done ()
3030 {
3031         string choice = snap_type_selector.get_active_text();
3032         SnapType snaptype = SnapToFrame;
3033
3034         if (choice == _("Beats/3")) {
3035                 snaptype = SnapToAThirdBeat;
3036         } else if (choice == _("Beats/4")) {
3037                 snaptype = SnapToAQuarterBeat;
3038         } else if (choice == _("Beats/8")) {
3039                 snaptype = SnapToAEighthBeat;
3040         } else if (choice == _("Beats/16")) {
3041                 snaptype = SnapToASixteenthBeat;
3042         } else if (choice == _("Beats/32")) {
3043                 snaptype = SnapToAThirtysecondBeat;
3044         } else if (choice == _("Beats")) {
3045                 snaptype = SnapToBeat;
3046         } else if (choice == _("Bars")) {
3047                 snaptype = SnapToBar;
3048         } else if (choice == _("Marks")) {
3049                 snaptype = SnapToMark;
3050         } else if (choice == _("Edit Cursor")) {
3051                 snaptype = SnapToEditCursor;
3052         } else if (choice == _("Region starts")) {
3053                 snaptype = SnapToRegionStart;
3054         } else if (choice == _("Region ends")) {
3055                 snaptype = SnapToRegionEnd;
3056         } else if (choice == _("Region bounds")) {
3057                 snaptype = SnapToRegionBoundary;
3058         } else if (choice == _("Region syncs")) {
3059                 snaptype = SnapToRegionSync;
3060         } else if (choice == _("CD Frames")) {
3061                 snaptype = SnapToCDFrame;
3062         } else if (choice == _("SMPTE Frames")) {
3063                 snaptype = SnapToSMPTEFrame;
3064         } else if (choice == _("SMPTE Seconds")) {
3065                 snaptype = SnapToSMPTESeconds;
3066         } else if (choice == _("SMPTE Minutes")) {
3067                 snaptype = SnapToSMPTEMinutes;
3068         } else if (choice == _("Seconds")) {
3069                 snaptype = SnapToSeconds;
3070         } else if (choice == _("Minutes")) {
3071                 snaptype = SnapToMinutes;
3072         } else if (choice == _("None")) {
3073                 snaptype = SnapToFrame;
3074         }
3075
3076         RefPtr<RadioAction> ract = snap_type_action (snaptype);
3077         if (ract) {
3078                 ract->set_active ();
3079         }
3080 }
3081
3082 void
3083 Editor::snap_mode_selection_done ()
3084 {
3085         string choice = snap_mode_selector.get_active_text();
3086         SnapMode mode = SnapNormal;
3087
3088         if (choice == _("Normal")) {
3089                 mode = SnapNormal;
3090         } else if (choice == _("Magnetic")) {
3091                 mode = SnapMagnetic;
3092         }
3093
3094         RefPtr<RadioAction> ract = snap_mode_action (mode);
3095
3096         if (ract) {
3097                 ract->set_active (true);
3098         }
3099 }
3100
3101 void
3102 Editor::zoom_focus_selection_done ()
3103 {
3104         string choice = zoom_focus_selector.get_active_text();
3105         ZoomFocus focus_type = ZoomFocusLeft;
3106
3107         if (choice == _("Left")) {
3108                 focus_type = ZoomFocusLeft;
3109         } else if (choice == _("Right")) {
3110                 focus_type = ZoomFocusRight;
3111         } else if (choice == _("Center")) {
3112                 focus_type = ZoomFocusCenter;
3113         } else if (choice == _("Playhead")) {
3114                 focus_type = ZoomFocusPlayhead;
3115         } else if (choice == _("Edit Cursor")) {
3116                 focus_type = ZoomFocusEdit;
3117         }
3118
3119         RefPtr<RadioAction> ract = zoom_focus_action (focus_type);
3120
3121         if (ract) {
3122                 ract->set_active ();
3123         }
3124 }
3125
3126 gint
3127 Editor::edit_controls_button_release (GdkEventButton* ev)
3128 {
3129         if (Keyboard::is_context_menu_event (ev)) {
3130                 ARDOUR_UI::instance()->add_route (this);
3131         }
3132         return TRUE;
3133 }
3134
3135 gint
3136 Editor::mouse_select_button_release (GdkEventButton* ev)
3137 {
3138         /* this handles just right-clicks */
3139
3140         if (ev->button != 3) {
3141                 return false;
3142         }
3143
3144         return true;
3145 }
3146
3147 Editor::TrackViewList *
3148 Editor::get_valid_views (TimeAxisView* track, RouteGroup* group)
3149 {
3150         TrackViewList *v;
3151         TrackViewList::iterator i;
3152
3153         v = new TrackViewList;
3154
3155         if (track == 0 && group == 0) {
3156
3157                 /* all views */
3158
3159                 for (i = track_views.begin(); i != track_views.end (); ++i) {
3160                         v->push_back (*i);
3161                 }
3162
3163         } else if (track != 0 && group == 0 || (track != 0 && group != 0 && !group->is_active())) {
3164
3165                 /* just the view for this track
3166                  */
3167
3168                 v->push_back (track);
3169
3170         } else {
3171
3172                 /* views for all tracks in the edit group */
3173
3174                 for (i  = track_views.begin(); i != track_views.end (); ++i) {
3175
3176                         if (group == 0 || (*i)->edit_group() == group) {
3177                                 v->push_back (*i);
3178                         }
3179                 }
3180         }
3181
3182         return v;
3183 }
3184
3185 void
3186 Editor::set_zoom_focus (ZoomFocus f)
3187 {
3188         string str = zoom_focus_strings[(int)f];
3189
3190         if (str != zoom_focus_selector.get_active_text()) {
3191                 zoom_focus_selector.set_active_text (str);
3192         }
3193
3194         if (zoom_focus != f) {
3195                 zoom_focus = f;
3196
3197                 ZoomFocusChanged (); /* EMIT_SIGNAL */
3198
3199                 instant_save ();
3200         }
3201 }
3202
3203 void
3204 Editor::ensure_float (Window& win)
3205 {
3206         win.set_transient_for (*this);
3207 }
3208
3209 void
3210 Editor::pane_allocation_handler (Allocation &alloc, Paned* which)
3211 {
3212         /* recover or initialize pane positions. do this here rather than earlier because
3213            we don't want the positions to change the child allocations, which they seem to do.
3214          */
3215
3216         int pos;
3217         XMLProperty* prop;
3218         char buf[32];
3219         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
3220         int width, height;
3221         static int32_t done;
3222         XMLNode* geometry;
3223
3224         if ((geometry = find_named_node (*node, "geometry")) == 0) {
3225                 width = default_width;
3226                 height = default_height;
3227         } else {
3228                 width = atoi(geometry->property("x_size")->value());
3229                 height = atoi(geometry->property("y_size")->value());
3230         }
3231
3232         if (which == static_cast<Paned*> (&edit_pane)) {
3233
3234                 if (done) {
3235                         return;
3236                 }
3237
3238                 if (!geometry || (prop = geometry->property ("edit_pane_pos")) == 0) {
3239                         /* initial allocation is 90% to canvas, 10% to notebook */
3240                         pos = (int) floor (alloc.get_width() * 0.90f);
3241                         snprintf (buf, sizeof(buf), "%d", pos);
3242                 } else {
3243                         pos = atoi (prop->value());
3244                 }
3245
3246                 if ((done = GTK_WIDGET(edit_pane.gobj())->allocation.width > pos)) {
3247                         edit_pane.set_position (pos);
3248                         pre_maximal_pane_position = pos;
3249                 }
3250         }
3251 }
3252
3253 void
3254 Editor::detach_tearoff (Box* b, Window* w)
3255 {
3256         if (tools_tearoff->torn_off() &&
3257             mouse_mode_tearoff->torn_off()) {
3258                 top_hbox.remove (toolbar_frame);
3259         }
3260 }
3261
3262 void
3263 Editor::reattach_tearoff (Box* b, Window* w, int32_t n)
3264 {
3265         if (toolbar_frame.get_parent() == 0) {
3266                 top_hbox.pack_end (toolbar_frame);
3267         }
3268 }
3269
3270 void
3271 Editor::set_show_measures (bool yn)
3272 {
3273         if (_show_measures != yn) {
3274                 hide_measures ();
3275
3276                 if ((_show_measures = yn) == true) {
3277                         draw_measures ();
3278                 }
3279                 instant_save ();
3280         }
3281 }
3282
3283 void
3284 Editor::toggle_follow_playhead ()
3285 {
3286         RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
3287         if (act) {
3288                 RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
3289                 set_follow_playhead (tact->get_active());
3290         }
3291 }
3292
3293 void
3294 Editor::set_follow_playhead (bool yn)
3295 {
3296         if (_follow_playhead != yn) {
3297                 if ((_follow_playhead = yn) == true) {
3298                         /* catch up */
3299                         update_current_screen ();
3300                 }
3301                 instant_save ();
3302         }
3303 }
3304
3305 void
3306 Editor::toggle_xfade_active (boost::weak_ptr<Crossfade> wxfade)
3307 {
3308         boost::shared_ptr<Crossfade> xfade (wxfade.lock());
3309         if (xfade) {
3310                 xfade->set_active (!xfade->active());
3311         }
3312 }
3313
3314 void
3315 Editor::toggle_xfade_length (boost::weak_ptr<Crossfade> wxfade)
3316 {
3317         boost::shared_ptr<Crossfade> xfade (wxfade.lock());
3318         if (xfade) {
3319                 xfade->set_follow_overlap (!xfade->following_overlap());
3320         }
3321 }
3322
3323 void
3324 Editor::edit_xfade (boost::weak_ptr<Crossfade> wxfade)
3325 {
3326         boost::shared_ptr<Crossfade> xfade (wxfade.lock());
3327
3328         if (!xfade) {
3329                 return;
3330         }
3331
3332         CrossfadeEditor cew (*session, xfade, xfade->fade_in().get_min_y(), 1.0);
3333
3334         ensure_float (cew);
3335
3336         switch (cew.run ()) {
3337         case RESPONSE_ACCEPT:
3338                 break;
3339         default:
3340                 return;
3341         }
3342
3343         cew.apply ();
3344         xfade->StateChanged (Change (~0));
3345 }
3346
3347 PlaylistSelector&
3348 Editor::playlist_selector () const
3349 {
3350         return *_playlist_selector;
3351 }
3352
3353 nframes_t
3354 Editor::get_nudge_distance (nframes_t pos, nframes_t& next)
3355 {
3356         nframes_t ret;
3357
3358         ret = nudge_clock.current_duration (pos);
3359         next = ret + 1; /* XXXX fix me */
3360
3361         return ret;
3362 }
3363
3364 void
3365 Editor::end_location_changed (Location* location)
3366 {
3367         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::end_location_changed), location));
3368         reset_scrolling_region ();
3369 }
3370
3371 int
3372 Editor::playlist_deletion_dialog (boost::shared_ptr<Playlist> pl)
3373 {
3374         ArdourDialog dialog ("playlist deletion dialog");
3375         Label  label (string_compose (_("Playlist %1 is currently unused.\n"
3376                                         "If left alone, no audio files used by it will be cleaned.\n"
3377                                         "If deleted, audio files used by it alone by will cleaned."),
3378                                       pl->name()));
3379
3380         dialog.set_position (WIN_POS_CENTER);
3381         dialog.get_vbox()->pack_start (label);
3382
3383         label.show ();
3384
3385         dialog.add_button (_("Delete playlist"), RESPONSE_ACCEPT);
3386         dialog.add_button (_("Keep playlist"), RESPONSE_REJECT);
3387         dialog.add_button (_("Cancel"), RESPONSE_CANCEL);
3388
3389         switch (dialog.run ()) {
3390         case RESPONSE_ACCEPT:
3391                 /* delete the playlist */
3392                 return 0;
3393                 break;
3394
3395         case RESPONSE_REJECT:
3396                 /* keep the playlist */
3397                 return 1;
3398                 break;
3399
3400         default:
3401                 break;
3402         }
3403
3404         return -1;
3405 }
3406
3407 bool
3408 Editor::audio_region_selection_covers (nframes_t where)
3409 {
3410         for (RegionSelection::iterator a = selection->regions.begin(); a != selection->regions.end(); ++a) {
3411                 if ((*a)->region()->covers (where)) {
3412                         return true;
3413                 }
3414         }
3415
3416         return false;
3417 }
3418
3419 void
3420 Editor::prepare_for_cleanup ()
3421 {
3422         cut_buffer->clear_regions ();
3423         cut_buffer->clear_playlists ();
3424
3425         selection->clear_regions ();
3426         selection->clear_playlists ();
3427 }
3428
3429 Location*
3430 Editor::transport_loop_location()
3431 {
3432         if (session) {
3433                 return session->locations()->auto_loop_location();
3434         } else {
3435                 return 0;
3436         }
3437 }
3438
3439 Location*
3440 Editor::transport_punch_location()
3441 {
3442         if (session) {
3443                 return session->locations()->auto_punch_location();
3444         } else {
3445                 return 0;
3446         }
3447 }
3448
3449 bool
3450 Editor::control_layout_scroll (GdkEventScroll* ev)
3451 {
3452         switch (ev->direction) {
3453         case GDK_SCROLL_UP:
3454                 scroll_tracks_up_line ();
3455                 return true;
3456                 break;
3457
3458         case GDK_SCROLL_DOWN:
3459                 scroll_tracks_down_line ();
3460                 return true;
3461
3462         default:
3463                 /* no left/right handling yet */
3464                 break;
3465         }
3466
3467         return false;
3468 }
3469
3470
3471 /** A new snapshot has been selected.
3472  */
3473 void
3474 Editor::snapshot_display_selection_changed ()
3475 {
3476         if (snapshot_display.get_selection()->count_selected_rows() > 0) {
3477
3478                 TreeModel::iterator i = snapshot_display.get_selection()->get_selected();
3479
3480                 Glib::ustring snap_name = (*i)[snapshot_display_columns.real_name];
3481
3482                 if (snap_name.length() == 0) {
3483                         return;
3484                 }
3485
3486                 if (session->snap_name() == snap_name) {
3487                         return;
3488                 }
3489
3490                 ARDOUR_UI::instance()->load_session(session->path(), string (snap_name));
3491         }
3492 }
3493
3494 bool
3495 Editor::snapshot_display_button_press (GdkEventButton* ev)
3496 {
3497         if (ev->button == 3) {
3498                 /* Right-click on the snapshot list. Work out which snapshot it
3499                    was over. */
3500                 Gtk::TreeModel::Path path;
3501                 Gtk::TreeViewColumn* col;
3502                 int cx;
3503                 int cy;
3504                 snapshot_display.get_path_at_pos ((int) ev->x, (int) ev->y, path, col, cx, cy);
3505                 Gtk::TreeModel::iterator iter = snapshot_display_model->get_iter (path);
3506                 if (iter) {
3507                         Gtk::TreeModel::Row row = *iter;
3508                         popup_snapshot_context_menu (ev->button, ev->time, row[snapshot_display_columns.real_name]);
3509                 }
3510                 return true;
3511         }
3512
3513         return false;
3514 }
3515
3516
3517 /** Pop up the snapshot display context menu.
3518  * @param button Button used to open the menu.
3519  * @param time Menu open time.
3520  * @snapshot_name Name of the snapshot that the menu click was over.
3521  */
3522
3523 void
3524 Editor::popup_snapshot_context_menu (int button, int32_t time, Glib::ustring snapshot_name)
3525 {
3526         using namespace Menu_Helpers;
3527
3528         MenuList& items (snapshot_context_menu.items());
3529         items.clear ();
3530
3531         const bool modification_allowed = (session->snap_name() != snapshot_name && session->name() != snapshot_name);
3532
3533         items.push_back (MenuElem (_("Remove"), bind (mem_fun (*this, &Editor::remove_snapshot), snapshot_name)));
3534         if (!modification_allowed) {
3535                 items.back().set_sensitive (false);
3536         }
3537
3538         items.push_back (MenuElem (_("Rename"), bind (mem_fun (*this, &Editor::rename_snapshot), snapshot_name)));
3539         if (!modification_allowed) {
3540                 items.back().set_sensitive (false);
3541         }
3542
3543         snapshot_context_menu.popup (button, time);
3544 }
3545
3546 void
3547 Editor::rename_snapshot (Glib::ustring old_name)
3548 {
3549         ArdourPrompter prompter(true);
3550
3551         string new_name;
3552
3553         prompter.set_name ("Prompter");
3554         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
3555         prompter.set_prompt (_("New name of snapshot"));
3556         prompter.set_initial_text (old_name);
3557
3558         if (prompter.run() == RESPONSE_ACCEPT) {
3559                 prompter.get_result (new_name);
3560                 if (new_name.length()) {
3561                         session->rename_state (old_name, new_name);
3562                         redisplay_snapshots ();
3563                 }
3564         }
3565 }
3566
3567
3568 void
3569 Editor::remove_snapshot (Glib::ustring name)
3570 {
3571         vector<string> choices;
3572
3573         std::string prompt  = string_compose (_("Do you really want to remove snapshot \"%1\" ?\n(cannot be undone)"), name);
3574
3575         choices.push_back (_("No, do nothing."));
3576         choices.push_back (_("Yes, remove it."));
3577
3578         Gtkmm2ext::Choice prompter (prompt, choices);
3579
3580         if (prompter.run () == 1) {
3581                 session->remove_state (name);
3582                 redisplay_snapshots ();
3583         }
3584 }
3585
3586 void
3587 Editor::redisplay_snapshots ()
3588 {
3589         if (session == 0) {
3590                 return;
3591         }
3592
3593         vector<string*>* states;
3594
3595         if ((states = session->possible_states()) == 0) {
3596                 return;
3597         }
3598
3599         snapshot_display_model->clear ();
3600
3601         for (vector<string*>::iterator i = states->begin(); i != states->end(); ++i) {
3602                 string statename = *(*i);
3603                 TreeModel::Row row = *(snapshot_display_model->append());
3604
3605                 /* this lingers on in case we ever want to change the visible
3606                    name of the snapshot.
3607                 */
3608
3609                 string display_name;
3610                 display_name = statename;
3611
3612                 if (statename == session->snap_name()) {
3613                         snapshot_display.get_selection()->select(row);
3614                 }
3615
3616                 row[snapshot_display_columns.visible_name] = display_name;
3617                 row[snapshot_display_columns.real_name] = statename;
3618         }
3619
3620         delete states;
3621 }
3622
3623 void
3624 Editor::session_state_saved (string snap_name)
3625 {
3626         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::session_state_saved), snap_name));
3627         redisplay_snapshots ();
3628 }
3629
3630 void
3631 Editor::maximise_editing_space ()
3632 {
3633         initial_ruler_update_required = true;
3634
3635         mouse_mode_tearoff->set_visible (false);
3636         tools_tearoff->set_visible (false);
3637
3638         pre_maximal_pane_position = edit_pane.get_position();
3639         pre_maximal_editor_width = this->get_width();
3640
3641         if(post_maximal_pane_position == 0) {
3642                 post_maximal_pane_position = edit_pane.get_width();
3643         }
3644
3645
3646         fullscreen();
3647         if(post_maximal_editor_width) {
3648                 edit_pane.set_position (post_maximal_pane_position -
3649                         abs(post_maximal_editor_width - pre_maximal_editor_width));
3650         } else {
3651                 edit_pane.set_position (post_maximal_pane_position);
3652         }
3653 }
3654
3655 void
3656 Editor::restore_editing_space ()
3657 {
3658         initial_ruler_update_required = true;
3659
3660         // user changed width of pane during fullscreen
3661         if(post_maximal_pane_position != edit_pane.get_position()) {
3662                 post_maximal_pane_position = edit_pane.get_position();
3663         }
3664
3665         unfullscreen();
3666
3667         mouse_mode_tearoff->set_visible (true);
3668         tools_tearoff->set_visible (true);
3669         post_maximal_editor_width = this->get_width();
3670
3671
3672         edit_pane.set_position (
3673                 pre_maximal_pane_position + abs(this->get_width() - pre_maximal_editor_width)
3674         );
3675 }
3676
3677 void
3678 Editor::new_playlists ()
3679 {
3680         begin_reversible_command (_("new playlists"));
3681         mapover_audio_tracks (mem_fun (*this, &Editor::mapped_use_new_playlist));
3682         commit_reversible_command ();
3683 }
3684
3685 void
3686 Editor::copy_playlists ()
3687 {
3688         begin_reversible_command (_("copy playlists"));
3689         mapover_audio_tracks (mem_fun (*this, &Editor::mapped_use_copy_playlist));
3690         commit_reversible_command ();
3691 }
3692
3693 void
3694 Editor::clear_playlists ()
3695 {
3696         begin_reversible_command (_("clear playlists"));
3697         mapover_audio_tracks (mem_fun (*this, &Editor::mapped_clear_playlist));
3698         commit_reversible_command ();
3699 }
3700
3701 void
3702 Editor::mapped_use_new_playlist (AudioTimeAxisView& atv, uint32_t sz)
3703 {
3704         atv.use_new_playlist (sz > 1 ? false : true);
3705 }
3706
3707 void
3708 Editor::mapped_use_copy_playlist (AudioTimeAxisView& atv, uint32_t sz)
3709 {
3710         atv.use_copy_playlist (sz > 1 ? false : true);
3711 }
3712
3713 void
3714 Editor::mapped_clear_playlist (AudioTimeAxisView& atv, uint32_t sz)
3715 {
3716         atv.clear_playlist ();
3717 }
3718
3719 bool
3720 Editor::on_key_press_event (GdkEventKey* ev)
3721 {
3722         return key_press_focus_accelerator_handler (*this, ev);
3723 }
3724
3725 void
3726 Editor::reset_x_origin (nframes_t frame)
3727 {
3728         queue_visual_change (frame);
3729 }
3730
3731 void
3732 Editor::reset_zoom (double fpu)
3733 {
3734         queue_visual_change (fpu);
3735 }
3736
3737 void
3738 Editor::reposition_and_zoom (nframes_t frame, double fpu)
3739 {
3740         reset_x_origin (frame);
3741         reset_zoom (fpu);
3742 }
3743
3744 void
3745 Editor::set_frames_per_unit (double fpu)
3746 {
3747         nframes_t frames;
3748
3749         /* this is the core function that controls the zoom level of the canvas. it is called
3750            whenever one or more calls are made to reset_zoom(). it executes in an idle handler.
3751         */
3752
3753         if (fpu == frames_per_unit) {
3754                 return;
3755         }
3756
3757         if (fpu < 2.0) {
3758                 fpu = 2.0;
3759         }
3760
3761         // convert fpu to frame count
3762
3763         frames = (nframes_t) floor (fpu * canvas_width);
3764
3765         /* don't allow zooms that fit more than the maximum number
3766            of frames into an 800 pixel wide space.
3767         */
3768
3769         if (max_frames / fpu < 800.0) {
3770                 return;
3771         }
3772
3773         if (fpu == frames_per_unit) {
3774                 return;
3775         }
3776
3777         frames_per_unit = fpu;
3778
3779         if (frames != zoom_range_clock.current_duration()) {
3780                 zoom_range_clock.set (frames);
3781         }
3782
3783         if (mouse_mode == MouseRange && selection->time.start () != selection->time.end_frame ()) {
3784                 if (!selection->tracks.empty()) {
3785                         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
3786                                 (*i)->reshow_selection (selection->time);
3787                         }
3788                 } else {
3789                         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3790                                 (*i)->reshow_selection (selection->time);
3791                         }
3792                 }
3793         }
3794
3795         ZoomChanged (); /* EMIT_SIGNAL */
3796
3797         reset_hscrollbar_stepping ();
3798         reset_scrolling_region ();
3799
3800         if (edit_cursor) edit_cursor->set_position (edit_cursor->current_frame);
3801         if (playhead_cursor) playhead_cursor->set_position (playhead_cursor->current_frame);
3802
3803         instant_save ();
3804 }
3805
3806 void
3807 Editor::queue_visual_change (nframes_t where)
3808 {
3809         pending_visual_change.pending = VisualChange::Type (pending_visual_change.pending | VisualChange::TimeOrigin);
3810         pending_visual_change.time_origin = where;
3811
3812         if (pending_visual_change.idle_handler_id < 0) {
3813                 pending_visual_change.idle_handler_id = g_idle_add (_idle_visual_changer, this);
3814         }
3815 }
3816
3817 void
3818 Editor::queue_visual_change (double fpu)
3819 {
3820         pending_visual_change.pending = VisualChange::Type (pending_visual_change.pending | VisualChange::ZoomLevel);
3821         pending_visual_change.frames_per_unit = fpu;
3822
3823         if (pending_visual_change.idle_handler_id < 0) {
3824                 pending_visual_change.idle_handler_id = g_idle_add_full (G_PRIORITY_HIGH_IDLE, _idle_visual_changer, this, 0);
3825         }
3826 }
3827
3828 int
3829 Editor::_idle_visual_changer (void* arg)
3830 {
3831         return static_cast<Editor*>(arg)->idle_visual_changer ();
3832 }
3833
3834 int
3835 Editor::idle_visual_changer ()
3836 {
3837         VisualChange::Type p = pending_visual_change.pending;
3838
3839         pending_visual_change.pending = (VisualChange::Type) 0;
3840         pending_visual_change.idle_handler_id = -1;
3841
3842         if (p & VisualChange::ZoomLevel) {
3843                 set_frames_per_unit (pending_visual_change.frames_per_unit);
3844         }
3845
3846         if (p & VisualChange::TimeOrigin) {
3847                 if (pending_visual_change.time_origin != leftmost_frame) {
3848                         horizontal_adjustment.set_value (pending_visual_change.time_origin/frames_per_unit);
3849                         /* the signal handler will do the rest */
3850                 } else {
3851                         update_fixed_rulers();
3852                         redisplay_tempo (true);
3853                 }
3854         }
3855
3856         return 0; /* this is always a one-shot call */
3857 }
3858
3859 struct EditorOrderTimeAxisSorter {
3860     bool operator() (const TimeAxisView* a, const TimeAxisView* b) const {
3861             return a->order < b->order;
3862     }
3863 };
3864
3865 void
3866 Editor::sort_track_selection ()
3867 {
3868         EditorOrderTimeAxisSorter cmp;
3869         selection->tracks.sort (cmp);
3870 }
3871
3872 nframes_t
3873 Editor::edit_cursor_position(bool sync)
3874 {
3875         if (sync && edit_cursor->current_frame != edit_cursor_clock.current_time()) {
3876                 edit_cursor_clock.set(edit_cursor->current_frame, true);
3877         }
3878
3879         return edit_cursor->current_frame;
3880 }
3881
3882 void
3883 Editor::set_loop_range (nframes_t start, nframes_t end, string cmd)
3884 {
3885         if (!session) return;
3886
3887         begin_reversible_command (cmd);
3888
3889         Location* tll;
3890
3891         if ((tll = transport_loop_location()) == 0) {
3892                 Location* loc = new Location (start, end, _("Loop"),  Location::IsAutoLoop);
3893                 XMLNode &before = session->locations()->get_state();
3894                 session->locations()->add (loc, true);
3895                 session->set_auto_loop_location (loc);
3896                 XMLNode &after = session->locations()->get_state();
3897                 session->add_command (new MementoCommand<Locations>(*(session->locations()), &before, &after));
3898         }
3899         else {
3900                 XMLNode &before = tll->get_state();
3901                 tll->set_hidden (false, this);
3902                 tll->set (start, end);
3903                 XMLNode &after = tll->get_state();
3904                 session->add_command (new MementoCommand<Location>(*tll, &before, &after));
3905         }
3906
3907         commit_reversible_command ();
3908 }
3909
3910 void
3911 Editor::set_punch_range (nframes_t start, nframes_t end, string cmd)
3912 {
3913         if (!session) return;
3914
3915         begin_reversible_command (cmd);
3916
3917         Location* tpl;
3918
3919         if ((tpl = transport_punch_location()) == 0) {
3920                 Location* loc = new Location (start, end, _("Loop"),  Location::IsAutoPunch);
3921                 XMLNode &before = session->locations()->get_state();
3922                 session->locations()->add (loc, true);
3923                 session->set_auto_loop_location (loc);
3924                 XMLNode &after = session->locations()->get_state();
3925                 session->add_command (new MementoCommand<Locations>(*(session->locations()), &before, &after));
3926         }
3927         else {
3928                 XMLNode &before = tpl->get_state();
3929                 tpl->set_hidden (false, this);
3930                 tpl->set (start, end);
3931                 XMLNode &after = tpl->get_state();
3932                 session->add_command (new MementoCommand<Location>(*tpl, &before, &after));
3933         }
3934
3935         commit_reversible_command ();
3936 }