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 /* Note: public Editor methods are documented in public_editor.h */
  21
  22 #include <unistd.h>
  23 #include <cstdlib>
  24 #include <cmath>
  25 #include <string>
  26 #include <algorithm>
  27
  28 #include <boost/none.hpp>
  29
  30 #include <sigc++/bind.h>
  31
  32 #include "pbd/convert.h"
  33 #include "pbd/error.h"
  34 #include "pbd/enumwriter.h"
  35 #include "pbd/memento_command.h"
  36
  37 #include <glibmm/miscutils.h>
  38 #include <gtkmm/image.h>
  39 #include <gdkmm/color.h>
  40 #include <gdkmm/bitmap.h>
  41
  42 #include <gtkmm2ext/grouped_buttons.h>
  43 #include <gtkmm2ext/gtk_ui.h>
  44 #include <gtkmm2ext/tearoff.h>
  45 #include <gtkmm2ext/utils.h>
  46 #include <gtkmm2ext/window_title.h>
  47 #include <gtkmm2ext/choice.h>
  48
  49 #include "ardour/audio_diskstream.h"
  50 #include "ardour/audio_track.h"
  51 #include "ardour/audioplaylist.h"
  52 #include "ardour/audioregion.h"
  53 #include "ardour/location.h"
  54 #include "ardour/midi_region.h"
  55 #include "ardour/plugin_manager.h"
  56 #include "ardour/profile.h"
  57 #include "ardour/route_group.h"
  58 #include "ardour/session_directory.h"
  59 #include "ardour/session_route.h"
  60 #include "ardour/session_state_utils.h"
  61 #include "ardour/tempo.h"
  62 #include "ardour/utils.h"
  63
  64 #include "control_protocol/control_protocol.h"
  65
  66 #include "ardour_ui.h"
  67 #include "editor.h"
  68 #include "keyboard.h"
  69 #include "marker.h"
  70 #include "playlist_selector.h"
  71 #include "audio_region_view.h"
  72 #include "rgb_macros.h"
  73 #include "selection.h"
  74 #include "audio_streamview.h"
  75 #include "time_axis_view.h"
  76 #include "audio_time_axis.h"
  77 #include "utils.h"
  78 #include "crossfade_view.h"
  79 #include "editing.h"
  80 #include "public_editor.h"
  81 #include "crossfade_edit.h"
  82 #include "canvas_impl.h"
  83 #include "actions.h"
  84 #include "sfdb_ui.h"
  85 #include "gui_thread.h"
  86 #include "simpleline.h"
  87 #include "rhythm_ferret.h"
  88 #include "actions.h"
  89 #include "tempo_lines.h"
  90 #include "analysis_window.h"
  91 #include "bundle_manager.h"
  92 #include "global_port_matrix.h"
  93
  94 #include "i18n.h"
  95
  96 #ifdef WITH_CMT
  97 #include "imageframe_socket_handler.h"
  98 #endif
  99
 100 using namespace std;
 101 using namespace sigc;
 102 using namespace ARDOUR;
 103 using namespace PBD;
 104 using namespace Gtk;
 105 using namespace Glib;
 106 using namespace Gtkmm2ext;
 107 using namespace Editing;
 108
 109 using PBD::internationalize;
 110 using PBD::atoi;
 111
 112 const double Editor::timebar_height = 15.0;
 113
 114 #include "editor_xpms"
 115
 116 static const gchar *_snap_type_strings[] = {
 117         N_("CD Frames"),
 118         N_("SMPTE Frames"),
 119         N_("SMPTE Seconds"),
 120         N_("SMPTE Minutes"),
 121         N_("Seconds"),
 122         N_("Minutes"),
 123         N_("Beats/32"),
 124         N_("Beats/16"),
 125         N_("Beats/8"),
 126         N_("Beats/4"),
 127         N_("Beats/3"),
 128         N_("Beats"),
 129         N_("Bars"),
 130         N_("Marks"),
 131         N_("Region starts"),
 132         N_("Region ends"),
 133         N_("Region syncs"),
 134         N_("Region bounds"),
 135         0
 136 };
 137
 138 static const gchar *_snap_mode_strings[] = {
 139         N_("No Grid"),
 140         N_("Grid"),
 141         N_("Magnetic"),
 142         0
 143 };
 144
 145 static const gchar *_edit_point_strings[] = {
 146         N_("Playhead"),
 147         N_("Marker"),
 148         N_("Mouse"),
 149         0
 150 };
 151
 152 static const gchar *_zoom_focus_strings[] = {
 153         N_("Left"),
 154         N_("Right"),
 155         N_("Center"),
 156         N_("Playhead"),
 157         N_("Mouse"),
 158         N_("Active Mark"),
 159         0
 160 };
 161
 162 #ifdef USE_RUBBERBAND
 163 static const gchar *_rb_opt_strings[] = {
 164         N_("Mushy"),
 165         N_("Smooth"),
 166         N_("Balanced multitimbral mixture"),
 167         N_("Unpitched percussion with stable notes"),
 168         N_("Crisp monophonic instrumental"),
 169         N_("Unpitched solo percussion"),
 170         0
 171 };
 172 #endif
 173
 174 /* Soundfile  drag-n-drop */
 175
 176 Gdk::Cursor* Editor::cross_hair_cursor = 0;
 177 Gdk::Cursor* Editor::selector_cursor = 0;
 178 Gdk::Cursor* Editor::trimmer_cursor = 0;
 179 Gdk::Cursor* Editor::grabber_cursor = 0;
 180 Gdk::Cursor* Editor::grabber_edit_point_cursor = 0;
 181 Gdk::Cursor* Editor::zoom_cursor = 0;
 182 Gdk::Cursor* Editor::time_fx_cursor = 0;
 183 Gdk::Cursor* Editor::fader_cursor = 0;
 184 Gdk::Cursor* Editor::speaker_cursor = 0;
 185 Gdk::Cursor* Editor::midi_pencil_cursor = 0;
 186 Gdk::Cursor* Editor::midi_select_cursor = 0;
 187 Gdk::Cursor* Editor::midi_resize_cursor = 0;
 188 Gdk::Cursor* Editor::midi_erase_cursor = 0;
 189 Gdk::Cursor* Editor::wait_cursor = 0;
 190 Gdk::Cursor* Editor::timebar_cursor = 0;
 191 Gdk::Cursor* Editor::transparent_cursor = 0;
 192
 193 void
 194 show_me_the_size (Requisition* r, const char* what)
 195 {
 196         cerr << "size of " << what << " = " << r->width << " x " << r->height << endl;
 197 }
 198
 199 void
 200 DragInfo::clear_copied_locations ()
 201 {
 202         for (list<Location*>::iterator i = copied_locations.begin(); i != copied_locations.end(); ++i) {
 203                 delete *i;
 204         }
 205         copied_locations.clear ();
 206 }
 207
 208 Editor::Editor ()
 209         :
 210           /* time display buttons */
 211
 212           minsec_label (_("Mins:Secs")),
 213           bbt_label (_("Bars:Beats")),
 214           smpte_label (_("Timecode")),
 215           frame_label (_("Samples")),
 216           tempo_label (_("Tempo")),
 217           meter_label (_("Meter")),
 218           mark_label (_("Location Markers")),
 219           range_mark_label (_("Range Markers")),
 220           transport_mark_label (_("Loop/Punch Ranges")),
 221           cd_mark_label (_("CD Markers")),
 222           edit_packer (3, 4, true),
 223
 224           /* the values here don't matter: layout widgets
 225              reset them as needed.
 226           */
 227
 228           vertical_adjustment (0.0, 0.0, 10.0, 400.0),
 229           horizontal_adjustment (0.0, 0.0, 20.0, 1200.0),
 230
 231           /* tool bar related */
 232
 233           edit_point_clock (X_("editpoint"), false, X_("EditPointClock"), true),
 234           zoom_range_clock (X_("zoomrange"), false, X_("ZoomRangeClock"), true, true),
 235
 236           toolbar_selection_clock_table (2,3),
 237
 238           automation_mode_button (_("mode")),
 239           global_automation_button (_("automation")),
 240
 241           midi_panic_button (_("Panic")),
 242           midi_tools_tearoff (0),
 243
 244 #ifdef WITH_CMT
 245           image_socket_listener(0),
 246 #endif
 247
 248           /* nudge */
 249
 250           nudge_clock (X_("nudge"), false, X_("NudgeClock"), true, true),
 251           meters_running(false),
 252           _pending_locate_request (false)
 253
 254 {
 255         constructed = false;
 256
 257         /* we are a singleton */
 258
 259         PublicEditor::_instance = this;
 260
 261         session = 0;
 262         _have_idled = false;
 263
 264         selection = new Selection (this);
 265         cut_buffer = new Selection (this);
 266
 267         clicked_regionview = 0;
 268         clicked_axisview = 0;
 269         clicked_routeview = 0;
 270         clicked_crossfadeview = 0;
 271         clicked_control_point = 0;
 272         last_update_frame = 0;
 273         drag_info.item = 0;
 274         current_mixer_strip = 0;
 275         current_bbt_points = 0;
 276         tempo_lines = 0;
 277
 278         snap_type_strings =  I18N (_snap_type_strings);
 279         snap_mode_strings =  I18N (_snap_mode_strings);
 280         zoom_focus_strings = I18N (_zoom_focus_strings);
 281         edit_point_strings = I18N (_edit_point_strings);
 282 #ifdef USE_RUBBERBAND
 283         rb_opt_strings = I18N (_rb_opt_strings);
 284 #endif
 285
 286         snap_threshold = 5.0;
 287         bbt_beat_subdivision = 4;
 288         canvas_width = 0;
 289         canvas_height = 0;
 290         last_autoscroll_x = 0;
 291         last_autoscroll_y = 0;
 292         autoscroll_active = false;
 293         autoscroll_timeout_tag = -1;
 294         interthread_progress_window = 0;
 295         logo_item = 0;
 296
 297         analysis_window = 0;
 298
 299         current_interthread_info = 0;
 300         _show_measures = true;
 301         _show_waveforms = true;
 302         _show_waveforms_recording = true;
 303         first_action_message = 0;
 304         show_gain_after_trim = false;
 305         route_redisplay_does_not_sync_order_keys = false;
 306         route_redisplay_does_not_reset_order_keys = false;
 307         no_route_list_redisplay = false;
 308         verbose_cursor_on = true;
 309         route_removal = false;
 310         show_automatic_regions_in_region_list = true;
 311         last_item_entered = 0;
 312         last_item_entered_n = 0;
 313
 314         region_list_sort_type = (Editing::RegionListSortType) 0;
 315         have_pending_keyboard_selection = false;
 316         _follow_playhead = true;
 317         _xfade_visibility = true;
 318         editor_ruler_menu = 0;
 319         no_ruler_shown_update = false;
 320         edit_group_list_menu = 0;
 321         route_list_menu = 0;
 322         region_list_menu = 0;
 323         marker_menu = 0;
 324         start_end_marker_menu = 0;
 325         range_marker_menu = 0;
 326         marker_menu_item = 0;
 327         tm_marker_menu = 0;
 328         transport_marker_menu = 0;
 329         new_transport_marker_menu = 0;
 330         editor_mixer_strip_width = Wide;
 331         show_editor_mixer_when_tracks_arrive = false;
 332         region_edit_menu_split_multichannel_item = 0;
 333         region_edit_menu_split_item = 0;
 334         temp_location = 0;
 335         leftmost_frame = 0;
 336         ignore_mouse_mode_toggle = false;
 337         ignore_midi_edit_mode_toggle = false;
 338         current_stepping_trackview = 0;
 339         entered_track = 0;
 340         entered_regionview = 0;
 341         entered_marker = 0;
 342         clear_entered_track = false;
 343         _new_regionviews_show_envelope = false;
 344         current_timefx = 0;
 345         in_edit_group_row_change = false;
 346         playhead_cursor = 0;
 347         button_release_can_deselect = true;
 348         _dragging_playhead = false;
 349         _dragging_edit_point = false;
 350         _dragging_hscrollbar = false;
 351         select_new_marker = false;
 352         zoomed_to_region = false;
 353         rhythm_ferret = 0;
 354         _bundle_manager = 0;
 355         for (ARDOUR::DataType::iterator i = ARDOUR::DataType::begin(); i != ARDOUR::DataType::end(); ++i) {
 356                 _global_port_matrix[*i] = 0;
 357         }
 358         allow_vertical_scroll = false;
 359         no_save_visual = false;
 360         need_resize_line = false;
 361         resize_line_y = 0;
 362         old_resize_line_y = -1;
 363         no_region_list_redisplay = false;
 364         resize_idle_id = -1;
 365
 366         _scrubbing = false;
 367         scrubbing_direction = 0;
 368
 369         sfbrowser = 0;
 370
 371         location_marker_color = ARDOUR_UI::config()->canvasvar_LocationMarker.get();
 372         location_range_color = ARDOUR_UI::config()->canvasvar_LocationRange.get();
 373         location_cd_marker_color = ARDOUR_UI::config()->canvasvar_LocationCDMarker.get();
 374         location_loop_color = ARDOUR_UI::config()->canvasvar_LocationLoop.get();
 375         location_punch_color = ARDOUR_UI::config()->canvasvar_LocationPunch.get();
 376
 377         range_marker_drag_rect = 0;
 378         marker_drag_line = 0;
 379         set_midi_edit_mode (MidiEditPencil, true);
 380         _edit_point = EditAtMouse;
 381         set_mouse_mode (MouseObject, true);
 382
 383         frames_per_unit = 2048; /* too early to use reset_zoom () */
 384         reset_hscrollbar_stepping ();
 385
 386         zoom_focus = ZoomFocusLeft;
 387         set_zoom_focus (ZoomFocusLeft);
 388         zoom_range_clock.ValueChanged.connect (mem_fun(*this, &Editor::zoom_adjustment_changed));
 389
 390         bbt_label.set_name ("EditorTimeButton");
 391         bbt_label.set_size_request (-1, (int)timebar_height);
 392         bbt_label.set_alignment (1.0, 0.5);
 393         bbt_label.set_padding (5,0);
 394         bbt_label.hide ();
 395         bbt_label.set_no_show_all();
 396         minsec_label.set_name ("EditorTimeButton");
 397         minsec_label.set_size_request (-1, (int)timebar_height);
 398         minsec_label.set_alignment (1.0, 0.5);
 399         minsec_label.set_padding (5,0);
 400         minsec_label.hide ();
 401         minsec_label.set_no_show_all();
 402         smpte_label.set_name ("EditorTimeButton");
 403         smpte_label.set_size_request (-1, (int)timebar_height);
 404         smpte_label.set_alignment (1.0, 0.5);
 405         smpte_label.set_padding (5,0);
 406         smpte_label.hide ();
 407         smpte_label.set_no_show_all();
 408         frame_label.set_name ("EditorTimeButton");
 409         frame_label.set_size_request (-1, (int)timebar_height);
 410         frame_label.set_alignment (1.0, 0.5);
 411         frame_label.set_padding (5,0);
 412         frame_label.hide ();
 413         frame_label.set_no_show_all();
 414
 415         tempo_label.set_name ("EditorTimeButton");
 416         tempo_label.set_size_request (-1, (int)timebar_height);
 417         tempo_label.set_alignment (1.0, 0.5);
 418         tempo_label.set_padding (5,0);
 419         tempo_label.hide();
 420         tempo_label.set_no_show_all();
 421         meter_label.set_name ("EditorTimeButton");
 422         meter_label.set_size_request (-1, (int)timebar_height);
 423         meter_label.set_alignment (1.0, 0.5);
 424         meter_label.set_padding (5,0);
 425         meter_label.hide();
 426         meter_label.set_no_show_all();
 427         mark_label.set_name ("EditorTimeButton");
 428         mark_label.set_size_request (-1, (int)timebar_height);
 429         mark_label.set_alignment (1.0, 0.5);
 430         mark_label.set_padding (5,0);
 431         mark_label.hide();
 432         mark_label.set_no_show_all();
 433         cd_mark_label.set_name ("EditorTimeButton");
 434         cd_mark_label.set_size_request (-1, (int)timebar_height);
 435         cd_mark_label.set_alignment (1.0, 0.5);
 436         cd_mark_label.set_padding (5,0);
 437         cd_mark_label.hide();
 438         cd_mark_label.set_no_show_all();
 439         range_mark_label.set_name ("EditorTimeButton");
 440         range_mark_label.set_size_request (-1, (int)timebar_height);
 441         range_mark_label.set_alignment (1.0, 0.5);
 442         range_mark_label.set_padding (5,0);
 443         range_mark_label.hide();
 444         range_mark_label.set_no_show_all();
 445         transport_mark_label.set_name ("EditorTimeButton");
 446         transport_mark_label.set_size_request (-1, (int)timebar_height);
 447         transport_mark_label.set_alignment (1.0, 0.5);
 448         transport_mark_label.set_padding (5,0);
 449         transport_mark_label.hide();
 450         transport_mark_label.set_no_show_all();
 451
 452         initialize_rulers ();
 453         initialize_canvas ();
 454
 455         selection->TimeChanged.connect (mem_fun(*this, &Editor::time_selection_changed));
 456         selection->TracksChanged.connect (mem_fun(*this, &Editor::track_selection_changed));
 457         editor_regions_selection_changed_connection = selection->RegionsChanged.connect (mem_fun(*this, &Editor::region_selection_changed));
 458         selection->PointsChanged.connect (mem_fun(*this, &Editor::point_selection_changed));
 459         selection->MarkersChanged.connect (mem_fun(*this, &Editor::marker_selection_changed));
 460
 461         edit_controls_vbox.set_spacing (0);
 462         horizontal_adjustment.signal_value_changed().connect (mem_fun(*this, &Editor::scroll_canvas_horizontally), false);
 463         vertical_adjustment.signal_value_changed().connect (mem_fun(*this, &Editor::tie_vertical_scrolling), true);
 464         track_canvas->signal_map_event().connect (mem_fun (*this, &Editor::track_canvas_map_handler));
 465
 466         controls_layout.add (edit_controls_vbox);
 467         controls_layout.set_name ("EditControlsBase");
 468         controls_layout.add_events (Gdk::SCROLL_MASK);
 469         controls_layout.signal_scroll_event().connect (mem_fun(*this, &Editor::control_layout_scroll), false);
 470
 471         controls_layout.add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK);
 472         controls_layout.signal_button_release_event().connect (mem_fun(*this, &Editor::edit_controls_button_release));
 473         controls_layout_size_request_connection = controls_layout.signal_size_request().connect (mem_fun (*this, &Editor::controls_layout_size_request));
 474
 475         edit_vscrollbar.set_adjustment (vertical_adjustment);
 476         edit_hscrollbar.set_adjustment (horizontal_adjustment);
 477
 478         edit_hscrollbar.signal_button_press_event().connect (mem_fun(*this, &Editor::hscrollbar_button_press), false);
 479         edit_hscrollbar.signal_button_release_event().connect (mem_fun(*this, &Editor::hscrollbar_button_release), false);
 480         edit_hscrollbar.signal_size_allocate().connect (mem_fun(*this, &Editor::hscrollbar_allocate));
 481
 482         edit_hscrollbar.set_name ("EditorHScrollbar");
 483
 484         build_cursors ();
 485         setup_toolbar ();
 486         setup_midi_toolbar ();
 487
 488         edit_point_clock.ValueChanged.connect (mem_fun(*this, &Editor::edit_point_clock_changed));
 489
 490         ArdourCanvas::Canvas* time_pad = manage(new ArdourCanvas::Canvas());
 491         ArdourCanvas::SimpleLine* pad_line_1 = manage(new ArdourCanvas::SimpleLine(*time_pad->root(),
 492                         0.0, 1.0, 100.0, 1.0));
 493         pad_line_1->property_color_rgba() = 0xFF0000FF;
 494         pad_line_1->show();
 495         time_pad->show();
 496
 497         //time_canvas_vbox.set_size_request (-1, (int)(timebar_height * visible_timebars) + 2);
 498         //time_canvas_vbox.set_size_request (-1, -1);
 499
 500         ruler_label_event_box.add (ruler_label_vbox);
 501         ruler_label_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 502         ruler_label_event_box.set_name ("TimebarLabelBase");
 503         ruler_label_event_box.signal_button_release_event().connect (mem_fun(*this, &Editor::ruler_label_button_release));
 504
 505         time_button_event_box.add (time_button_vbox);
 506         time_button_event_box.set_name ("TimebarLabelBase");
 507         time_button_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 508         time_button_event_box.signal_button_release_event().connect (mem_fun(*this, &Editor::ruler_label_button_release));
 509
 510         /* these enable us to have a dedicated window (for cursor setting, etc.)
 511            for the canvas areas.
 512         */
 513
 514         track_canvas_event_box.add (*track_canvas);
 515
 516         time_canvas_event_box.add (time_canvas_vbox);
 517         time_canvas_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::POINTER_MOTION_MASK);
 518
 519         edit_packer.set_col_spacings (0);
 520         edit_packer.set_row_spacings (0);
 521         edit_packer.set_homogeneous (false);
 522         edit_packer.set_border_width (0);
 523         edit_packer.set_name ("EditorWindow");
 524
 525 #ifndef THE_OLD_WAY
 526
 527         edit_packer.attach (ruler_label_event_box,   0, 1, 0, 1,    FILL,        SHRINK, 0, 0);
 528
 529         edit_packer.attach (time_button_event_box,   0, 1, 1, 2,    FILL,        SHRINK, 0, 0);
 530         edit_packer.attach (time_canvas_event_box,   1, 2, 0, 1,    FILL|EXPAND, FILL, 0, 0);
 531
 532         edit_packer.attach (controls_layout,         0, 1, 2, 3,    FILL,        FILL|EXPAND, 0, 0);
 533         edit_packer.attach (track_canvas_event_box,  1, 2, 1, 3,    FILL|EXPAND, FILL|EXPAND, 0, 0);
 534
 535         edit_packer.attach (zoom_box,                0, 1, 3, 4,    FILL,         FILL, 0, 0);
 536         edit_packer.attach (edit_hscrollbar,         1, 2, 3, 4,    FILL|EXPAND,  FILL, 0, 0);
 537
 538         edit_packer.attach (edit_vscrollbar,         3, 4, 2, 3,    FILL,        FILL|EXPAND, 0, 0);
 539
 540 #else
 541
 542         edit_packer.attach (edit_vscrollbar,         0, 1, 0, 4,    FILL,        FILL|EXPAND, 0, 0);
 543
 544         edit_packer.attach (ruler_label_event_box,   1, 2, 0, 1,    FILL,        SHRINK, 0, 0);
 545         edit_packer.attach (time_button_event_box,   1, 2, 1, 2,    FILL,        SHRINK, 0, 0);
 546         edit_packer.attach (time_canvas_event_box,   2, 3, 0, 1,    FILL|EXPAND, FILL, 0, 0);
 547
 548         edit_packer.attach (controls_layout,         1, 2, 2, 3,    FILL,        FILL|EXPAND, 0, 0);
 549         edit_packer.attach (track_canvas_event_box,  2, 3, 1, 3,    FILL|EXPAND, FILL|EXPAND, 0, 0);
 550
 551         edit_packer.attach (zoom_box,                1, 2, 3, 4,    FILL,         FILL, 0, 0);
 552         edit_packer.attach (edit_hscrollbar,         2, 3, 3, 4,    FILL|EXPAND,  FILL, 0, 0);
 553 #endif
 554
 555         bottom_hbox.set_border_width (2);
 556         bottom_hbox.set_spacing (3);
 557
 558         route_display_model = ListStore::create(route_display_columns);
 559         route_list_display.set_model (route_display_model);
 560         route_list_display.append_column (_("Show"), route_display_columns.visible);
 561         route_list_display.append_column (_("Name"), route_display_columns.text);
 562         route_list_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
 563         route_list_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
 564         route_list_display.set_headers_visible (true);
 565         route_list_display.set_name ("TrackListDisplay");
 566         route_list_display.get_selection()->set_mode (SELECTION_SINGLE);
 567         route_list_display.set_reorderable (true);
 568         route_list_display.set_size_request (100,-1);
 569         route_list_display.add_object_drag (route_display_columns.route.index(), "routes");
 570
 571         CellRendererToggle* route_list_visible_cell = dynamic_cast<CellRendererToggle*>(route_list_display.get_column_cell_renderer (0));
 572         route_list_visible_cell->property_activatable() = true;
 573         route_list_visible_cell->property_radio() = false;
 574
 575         route_display_model->signal_row_deleted().connect (mem_fun (*this, &Editor::route_list_delete));
 576         route_display_model->signal_row_changed().connect (mem_fun (*this, &Editor::route_list_change));
 577
 578         route_list_display.signal_button_press_event().connect (mem_fun (*this, &Editor::route_list_display_button_press), false);
 579
 580         route_list_scroller.add (route_list_display);
 581         route_list_scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
 582
 583         group_model = ListStore::create(group_columns);
 584         edit_group_display.set_model (group_model);
 585         edit_group_display.append_column (_("Name"), group_columns.text);
 586         edit_group_display.append_column (_("Active"), group_columns.is_active);
 587         edit_group_display.append_column (_("Show"), group_columns.is_visible);
 588         edit_group_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
 589         edit_group_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
 590         edit_group_display.get_column (2)->set_data (X_("colnum"), GUINT_TO_POINTER(2));
 591         edit_group_display.get_column (0)->set_expand (true);
 592         edit_group_display.get_column (1)->set_expand (false);
 593         edit_group_display.get_column (2)->set_expand (false);
 594         edit_group_display.set_headers_visible (true);
 595
 596         /* name is directly editable */
 597
 598         CellRendererText* name_cell = dynamic_cast<CellRendererText*>(edit_group_display.get_column_cell_renderer (0));
 599         name_cell->property_editable() = true;
 600         name_cell->signal_edited().connect (mem_fun (*this, &Editor::edit_group_name_edit));
 601
 602         /* use checkbox for the active + visible columns */
 603
 604         CellRendererToggle* active_cell = dynamic_cast<CellRendererToggle*>(edit_group_display.get_column_cell_renderer (1));
 605         active_cell->property_activatable() = true;
 606         active_cell->property_radio() = false;
 607
 608         active_cell = dynamic_cast<CellRendererToggle*>(edit_group_display.get_column_cell_renderer (1));
 609         active_cell->property_activatable() = true;
 610         active_cell->property_radio() = false;
 611
 612         group_model->signal_row_changed().connect (mem_fun (*this, &Editor::edit_group_row_change));
 613
 614         edit_group_display.set_name ("EditGroupList");
 615         edit_group_display.get_selection()->set_mode (SELECTION_SINGLE);
 616         edit_group_display.set_headers_visible (true);
 617         edit_group_display.set_reorderable (false);
 618         edit_group_display.set_rules_hint (true);
 619         edit_group_display.set_size_request (75, -1);
 620
 621         edit_group_display_scroller.add (edit_group_display);
 622         edit_group_display_scroller.set_policy (POLICY_AUTOMATIC, POLICY_AUTOMATIC);
 623
 624         edit_group_display.signal_button_press_event().connect (mem_fun(*this, &Editor::edit_group_list_button_press_event), false);
 625
 626         VBox* edit_group_display_packer = manage (new VBox());
 627         HBox* edit_group_display_button_box = manage (new HBox());
 628         edit_group_display_button_box->set_homogeneous (true);
 629
 630         Button* edit_group_add_button = manage (new Button ());
 631         Button* edit_group_remove_button = manage (new Button ());
 632
 633         Widget* w;
 634
 635         w = manage (new Image (Stock::ADD, ICON_SIZE_BUTTON));
 636         w->show();
 637         edit_group_add_button->add (*w);
 638
 639         w = manage (new Image (Stock::REMOVE, ICON_SIZE_BUTTON));
 640         w->show();
 641         edit_group_remove_button->add (*w);
 642
 643         edit_group_add_button->signal_clicked().connect (mem_fun (*this, &Editor::new_edit_group));
 644         edit_group_remove_button->signal_clicked().connect (mem_fun (*this, &Editor::remove_selected_edit_group));
 645
 646         edit_group_display_button_box->pack_start (*edit_group_add_button);
 647         edit_group_display_button_box->pack_start (*edit_group_remove_button);
 648
 649         edit_group_display_packer->pack_start (edit_group_display_scroller, true, true);
 650         edit_group_display_packer->pack_start (*edit_group_display_button_box, false, false);
 651
 652         region_list_display.set_size_request (100, -1);
 653         region_list_display.set_name ("RegionListDisplay");
 654         /* Try to prevent single mouse presses from initiating edits.
 655            This relies on a hack in gtktreeview.c:gtk_treeview_button_press()
 656         */
 657         region_list_display.set_data ("mouse-edits-require-mod1", (gpointer) 0x1);
 658
 659         region_list_model = TreeStore::create (region_list_columns);
 660         region_list_model->set_sort_func (0, mem_fun (*this, &Editor::region_list_sorter));
 661         region_list_model->set_sort_column (0, SORT_ASCENDING);
 662
 663         region_list_display.set_model (region_list_model);
 664         region_list_display.append_column (_("Regions"), region_list_columns.name);
 665         region_list_display.append_column (_("Start"), region_list_columns.start);
 666         region_list_display.append_column (_("End"), region_list_columns.end);
 667         region_list_display.append_column (_("Length"), region_list_columns.length);
 668         region_list_display.append_column (_("Sync"), region_list_columns.sync);
 669         region_list_display.append_column (_("Fade In"), region_list_columns.fadein);
 670         region_list_display.append_column (_("Fade Out"), region_list_columns.fadeout);
 671         region_list_display.append_column (_("L"), region_list_columns.locked);
 672         region_list_display.append_column (_("G"), region_list_columns.glued);
 673         region_list_display.append_column (_("M"), region_list_columns.muted);
 674         region_list_display.append_column (_("O"), region_list_columns.opaque);
 675         region_list_display.append_column (_("Used"), region_list_columns.used);
 676         region_list_display.append_column (_("Path"), region_list_columns.path);
 677         region_list_display.set_headers_visible (true);
 678         //region_list_display.set_grid_lines (TREE_VIEW_GRID_LINES_BOTH);
 679
 680         CellRendererText* region_name_cell = dynamic_cast<CellRendererText*>(region_list_display.get_column_cell_renderer (0));
 681         region_name_cell->property_editable() = true;
 682         region_name_cell->signal_edited().connect (mem_fun (*this, &Editor::region_name_edit));
 683
 684         region_list_display.get_selection()->set_select_function (mem_fun (*this, &Editor::region_list_selection_filter));
 685
 686         TreeViewColumn* tv_col = region_list_display.get_column(0);
 687         CellRendererText* renderer = dynamic_cast<CellRendererText*>(region_list_display.get_column_cell_renderer (0));
 688         tv_col->add_attribute(renderer->property_text(), region_list_columns.name);
 689         tv_col->add_attribute(renderer->property_foreground_gdk(), region_list_columns.color_);
 690
 691         region_list_display.get_selection()->set_mode (SELECTION_MULTIPLE);
 692         region_list_display.add_object_drag (region_list_columns.region.index(), "regions");
 693
 694         /* setup DnD handling */
 695
 696         list<TargetEntry> region_list_target_table;
 697
 698         region_list_target_table.push_back (TargetEntry ("text/plain"));
 699         region_list_target_table.push_back (TargetEntry ("text/uri-list"));
 700         region_list_target_table.push_back (TargetEntry ("application/x-rootwin-drop"));
 701
 702         region_list_display.add_drop_targets (region_list_target_table);
 703         region_list_display.signal_drag_data_received().connect (mem_fun(*this, &Editor::region_list_display_drag_data_received));
 704
 705         region_list_scroller.add (region_list_display);
 706         region_list_scroller.set_policy (POLICY_AUTOMATIC, POLICY_AUTOMATIC);
 707
 708         region_list_display.signal_key_press_event().connect (mem_fun(*this, &Editor::region_list_display_key_press));
 709         region_list_display.signal_key_release_event().connect (mem_fun(*this, &Editor::region_list_display_key_release));
 710         region_list_display.signal_button_press_event().connect (mem_fun(*this, &Editor::region_list_display_button_press), false);
 711         region_list_display.signal_button_release_event().connect (mem_fun(*this, &Editor::region_list_display_button_release));
 712         region_list_change_connection = region_list_display.get_selection()->signal_changed().connect (mem_fun(*this, &Editor::region_list_selection_changed));
 713         // region_list_display.signal_popup_menu().connect (bind (mem_fun (*this, &Editor::show_region_list_display_context_menu), 1, 0));
 714
 715         //ARDOUR_UI::instance()->secondary_clock.mode_changed.connect (mem_fun(*this, &Editor::redisplay_regions));
 716         ARDOUR_UI::instance()->secondary_clock.mode_changed.connect (mem_fun(*this, &Editor::update_all_region_rows));
 717         ARDOUR::Region::RegionPropertyChanged.connect (mem_fun(*this, &Editor::update_region_row));
 718
 719         named_selection_scroller.add (named_selection_display);
 720         named_selection_scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
 721
 722         named_selection_model = TreeStore::create (named_selection_columns);
 723         named_selection_display.set_model (named_selection_model);
 724         named_selection_display.append_column (_("Chunks"), named_selection_columns.text);
 725         named_selection_display.set_headers_visible (false);
 726         named_selection_display.set_size_request (100, -1);
 727         named_selection_display.set_name ("NamedSelectionDisplay");
 728
 729         named_selection_display.get_selection()->set_mode (SELECTION_SINGLE);
 730         named_selection_display.set_size_request (100, -1);
 731         named_selection_display.signal_button_release_event().connect (mem_fun(*this, &Editor::named_selection_display_button_release), false);
 732         named_selection_display.signal_key_release_event().connect (mem_fun(*this, &Editor::named_selection_display_key_release), false);
 733         named_selection_display.get_selection()->signal_changed().connect (mem_fun (*this, &Editor::named_selection_display_selection_changed));
 734
 735         /* SNAPSHOTS */
 736
 737         snapshot_display_model = ListStore::create (snapshot_display_columns);
 738         snapshot_display.set_model (snapshot_display_model);
 739         snapshot_display.append_column (X_("snapshot"), snapshot_display_columns.visible_name);
 740         snapshot_display.set_name ("SnapshotDisplay");
 741         snapshot_display.set_size_request (75, -1);
 742         snapshot_display.set_headers_visible (false);
 743         snapshot_display.set_reorderable (false);
 744         snapshot_display_scroller.add (snapshot_display);
 745         snapshot_display_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
 746
 747         snapshot_display.get_selection()->signal_changed().connect (mem_fun(*this, &Editor::snapshot_display_selection_changed));
 748         snapshot_display.signal_button_press_event().connect (mem_fun (*this, &Editor::snapshot_display_button_press), false);
 749
 750         Gtk::Label* nlabel;
 751
 752         nlabel = manage (new Label (_("Regions")));
 753         nlabel->set_angle (-90);
 754         the_notebook.append_page (region_list_scroller, *nlabel);
 755         nlabel = manage (new Label (_("Tracks/Busses")));
 756         nlabel->set_angle (-90);
 757         the_notebook.append_page (route_list_scroller, *nlabel);
 758         nlabel = manage (new Label (_("Snapshots")));
 759         nlabel->set_angle (-90);
 760         the_notebook.append_page (snapshot_display_scroller, *nlabel);
 761         nlabel = manage (new Label (_("Edit Groups")));
 762         nlabel->set_angle (-90);
 763         the_notebook.append_page (*edit_group_display_packer, *nlabel);
 764
 765         if (!Profile->get_sae()) {
 766                 nlabel = manage (new Label (_("Chunks")));
 767                 nlabel->set_angle (-90);
 768                 the_notebook.append_page (named_selection_scroller, *nlabel);
 769         }
 770
 771         the_notebook.set_show_tabs (true);
 772         the_notebook.set_scrollable (true);
 773         the_notebook.popup_enable ();
 774         the_notebook.set_tab_pos (Gtk::POS_RIGHT);
 775         the_notebook.show_all ();
 776
 777         post_maximal_editor_width = 0;
 778         post_maximal_pane_position = 0;
 779         edit_pane.pack1 (edit_packer, true, true);
 780         edit_pane.pack2 (the_notebook, false, true);
 781
 782         edit_pane.signal_size_allocate().connect (bind (mem_fun(*this, &Editor::pane_allocation_handler), static_cast<Paned*> (&edit_pane)));
 783
 784         top_hbox.pack_start (toolbar_frame, false, true);
 785         top_hbox.pack_start (midi_toolbar_frame, false, true);
 786
 787         HBox *hbox = manage (new HBox);
 788         hbox->pack_start (edit_pane, true, true);
 789
 790         global_vpacker.pack_start (top_hbox, false, false);
 791         global_vpacker.pack_start (*hbox, true, true);
 792
 793         global_hpacker.pack_start (global_vpacker, true, true);
 794
 795         set_name ("EditorWindow");
 796         add_accel_group (ActionManager::ui_manager->get_accel_group());
 797
 798         status_bar_hpacker.show ();
 799
 800         vpacker.pack_end (status_bar_hpacker, false, false);
 801         vpacker.pack_end (global_hpacker, true, true);
 802
 803         /* register actions now so that set_state() can find them and set toggles/checks etc */
 804
 805         register_actions ();
 806
 807         snap_type = SnapToBeat;
 808         set_snap_to (snap_type);
 809         snap_mode = SnapOff;
 810         set_snap_mode (snap_mode);
 811         set_edit_point_preference (EditAtMouse, true);
 812
 813         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
 814         set_state (*node);
 815
 816         _playlist_selector = new PlaylistSelector();
 817         _playlist_selector->signal_delete_event().connect (bind (sigc::ptr_fun (just_hide_it), static_cast<Window *> (_playlist_selector)));
 818
 819         RegionView::RegionViewGoingAway.connect (mem_fun(*this, &Editor::catch_vanishing_regionview));
 820
 821         /* nudge stuff */
 822
 823         nudge_forward_button.add (*(manage (new Image (::get_icon("nudge_right")))));
 824         nudge_backward_button.add (*(manage (new Image (::get_icon("nudge_left")))));
 825
 826         ARDOUR_UI::instance()->tooltips().set_tip (nudge_forward_button, _("Nudge Region/Selection Forwards"));
 827         ARDOUR_UI::instance()->tooltips().set_tip (nudge_backward_button, _("Nudge Region/Selection Backwards"));
 828
 829         nudge_forward_button.set_name ("TransportButton");
 830         nudge_backward_button.set_name ("TransportButton");
 831
 832         fade_context_menu.set_name ("ArdourContextMenu");
 833
 834         /* icons, titles, WM stuff */
 835
 836         list<Glib::RefPtr<Gdk::Pixbuf> > window_icons;
 837         Glib::RefPtr<Gdk::Pixbuf> icon;
 838
 839         if ((icon = ::get_icon ("ardour_icon_16px")) != 0) {
 840                 window_icons.push_back (icon);
 841         }
 842         if ((icon = ::get_icon ("ardour_icon_22px")) != 0) {
 843                 window_icons.push_back (icon);
 844         }
 845         if ((icon = ::get_icon ("ardour_icon_32px")) != 0) {
 846                 window_icons.push_back (icon);
 847         }
 848         if ((icon = ::get_icon ("ardour_icon_48px")) != 0) {
 849                 window_icons.push_back (icon);
 850         }
 851         if (!window_icons.empty()) {
 852                 set_icon_list (window_icons);
 853                 set_default_icon_list (window_icons);
 854         }
 855
 856         WindowTitle title(Glib::get_application_name());
 857         title += _("Editor");
 858         set_title (title.get_string());
 859         set_wmclass (X_("ardour_editor"), "Ardour");
 860
 861         add (vpacker);
 862         add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK);
 863
 864         signal_configure_event().connect (mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::configure_handler));
 865         signal_delete_event().connect (mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::exit_on_main_window_close));
 866
 867         /* allow external control surfaces/protocols to do various things */
 868
 869         ControlProtocol::ZoomToSession.connect (mem_fun (*this, &Editor::temporal_zoom_session));
 870         ControlProtocol::ZoomIn.connect (bind (mem_fun (*this, &Editor::temporal_zoom_step), false));
 871         ControlProtocol::ZoomOut.connect (bind (mem_fun (*this, &Editor::temporal_zoom_step), true));
 872         ControlProtocol::ScrollTimeline.connect (mem_fun (*this, &Editor::control_scroll));
 873         BasicUI::AccessAction.connect (mem_fun (*this, &Editor::access_action));
 874
 875         Config->ParameterChanged.connect (mem_fun (*this, &Editor::parameter_changed));
 876         Route::SyncOrderKeys.connect (mem_fun (*this, &Editor::sync_order_keys));
 877
 878         constructed = true;
 879         instant_save ();
 880 }
 881
 882 Editor::~Editor()
 883 {
 884 #ifdef WITH_CMT
 885         if(image_socket_listener) {
 886                 if(image_socket_listener->is_connected())
 887                 {
 888                         image_socket_listener->close_connection() ;
 889                 }
 890
 891                 delete image_socket_listener ;
 892                 image_socket_listener = 0 ;
 893         }
 894 #endif
 895
 896         delete track_canvas;
 897         track_canvas = 0;
 898 }
 899
 900 void
 901 Editor::add_toplevel_controls (Container& cont)
 902 {
 903         vpacker.pack_start (cont, false, false);
 904         cont.show_all ();
 905 }
 906
 907 void
 908 Editor::catch_vanishing_regionview (RegionView *rv)
 909 {
 910         /* note: the selection will take care of the vanishing
 911            audioregionview by itself.
 912         */
 913
 914         if (rv->get_canvas_group() == drag_info.item) {
 915                 end_grab (drag_info.item, 0);
 916         }
 917
 918         if (clicked_regionview == rv) {
 919                 clicked_regionview = 0;
 920         }
 921
 922         if (entered_regionview == rv) {
 923                 set_entered_regionview (0);
 924         }
 925 }
 926
 927 void
 928 Editor::set_entered_regionview (RegionView* rv)
 929 {
 930         if (rv == entered_regionview) {
 931                 return;
 932         }
 933
 934         if (entered_regionview) {
 935                 entered_regionview->exited ();
 936         }
 937
 938         if ((entered_regionview = rv) != 0) {
 939                 entered_regionview->entered ();
 940         }
 941 }
 942
 943 void
 944 Editor::set_entered_track (TimeAxisView* tav)
 945 {
 946         if (entered_track) {
 947                 entered_track->exited ();
 948         }
 949
 950         if ((entered_track = tav) != 0) {
 951                 entered_track->entered ();
 952         }
 953 }
 954
 955 void
 956 Editor::show_window ()
 957 {
 958         if (! is_visible ()) {
 959                 show_all ();
 960
 961                  /* re-hide editor list if necessary */
 962                  editor_list_button_toggled ();
 963
 964                 /* now reset all audio_time_axis heights, because widgets might need
 965                    to be re-hidden
 966                 */
 967
 968                 TimeAxisView *tv;
 969
 970                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
 971                         tv = (static_cast<TimeAxisView*>(*i));
 972                         tv->reset_height ();
 973                 }
 974         }
 975
 976         present ();
 977 }
 978
 979 void
 980 Editor::instant_save ()
 981 {
 982         if (!constructed || !ARDOUR_UI::instance()->session_loaded) {
 983                 return;
 984         }
 985
 986         if (session) {
 987                 session->add_instant_xml(get_state());
 988         } else {
 989                 Config->add_instant_xml(get_state());
 990         }
 991 }
 992
 993 void
 994 Editor::edit_point_clock_changed()
 995 {
 996         if (_dragging_edit_point) {
 997                 return;
 998         }
 999
1000         if (selection->markers.empty()) {
1001                 return;
1002         }
1003
1004         bool ignored;
1005         Location* loc = find_location_from_marker (selection->markers.front(), ignored);
1006
1007         if (!loc) {
1008                 return;
1009         }
1010
1011         loc->move_to (edit_point_clock.current_time());
1012 }
1013
1014 void
1015 Editor::zoom_adjustment_changed ()
1016 {
1017         if (session == 0) {
1018                 return;
1019         }
1020
1021         double fpu = zoom_range_clock.current_duration() / canvas_width;
1022
1023         if (fpu < 1.0) {
1024                 fpu = 1.0;
1025                 zoom_range_clock.set ((nframes64_t) floor (fpu * canvas_width));
1026         } else if (fpu > session->current_end_frame() / canvas_width) {
1027                 fpu = session->current_end_frame() / canvas_width;
1028                 zoom_range_clock.set ((nframes64_t) floor (fpu * canvas_width));
1029         }
1030
1031         temporal_zoom (fpu);
1032 }
1033
1034 void
1035 Editor::control_scroll (float fraction)
1036 {
1037         ENSURE_GUI_THREAD(bind (mem_fun (*this, &Editor::control_scroll), fraction));
1038
1039         if (!session) {
1040                 return;
1041         }
1042
1043         double step = fraction * current_page_frames();
1044
1045         /*
1046                 _control_scroll_target is an optional<T>
1047
1048                 it acts like a pointer to an nframes64_t, with
1049                 a operator conversion to boolean to check
1050                 that it has a value could possibly use
1051                 playhead_cursor->current_frame to store the
1052                 value and a boolean in the class to know
1053                 when it's out of date
1054         */
1055
1056         if (!_control_scroll_target) {
1057                 _control_scroll_target = session->transport_frame();
1058                 _dragging_playhead = true;
1059         }
1060
1061         if ((fraction < 0.0f) && (*_control_scroll_target < (nframes64_t) fabs(step))) {
1062                 *_control_scroll_target = 0;
1063         } else if ((fraction > 0.0f) && (max_frames - *_control_scroll_target < step)) {
1064                 *_control_scroll_target = max_frames - (current_page_frames()*2); // allow room for slop in where the PH is on the screen
1065         } else {
1066                 *_control_scroll_target += (nframes64_t) floor (step);
1067         }
1068
1069         /* move visuals, we'll catch up with it later */
1070
1071         playhead_cursor->set_position (*_control_scroll_target);
1072         UpdateAllTransportClocks (*_control_scroll_target);
1073
1074         if (*_control_scroll_target > (current_page_frames() / 2)) {
1075                 /* try to center PH in window */
1076                 reset_x_origin (*_control_scroll_target - (current_page_frames()/2));
1077         } else {
1078                 reset_x_origin (0);
1079         }
1080
1081         /*
1082                 Now we do a timeout to actually bring the session to the right place
1083                 according to the playhead. This is to avoid reading disk buffers on every
1084                 call to control_scroll, which is driven by ScrollTimeline and therefore
1085                 probably by a control surface wheel which can generate lots of events.
1086         */
1087         /* cancel the existing timeout */
1088
1089         control_scroll_connection.disconnect ();
1090
1091         /* add the next timeout */
1092
1093         control_scroll_connection = Glib::signal_timeout().connect (bind (mem_fun (*this, &Editor::deferred_control_scroll), *_control_scroll_target), 250);
1094 }
1095
1096 bool
1097 Editor::deferred_control_scroll (nframes64_t target)
1098 {
1099         session->request_locate (*_control_scroll_target, session->transport_rolling());
1100         // reset for next stream
1101         _control_scroll_target = boost::none;
1102         _dragging_playhead = false;
1103         return false;
1104 }
1105
1106 void
1107 Editor::access_action (std::string action_group, std::string action_item)
1108 {
1109         if (!session) {
1110                 return;
1111         }
1112
1113         ENSURE_GUI_THREAD (bind (mem_fun (*this, &Editor::access_action), action_group, action_item));
1114
1115         RefPtr<Action> act;
1116         act = ActionManager::get_action( action_group.c_str(), action_item.c_str() );
1117
1118         if (act) {
1119                 act->activate();
1120         }
1121
1122
1123 }
1124
1125 void
1126 Editor::on_realize ()
1127 {
1128         Window::on_realize ();
1129         Realized ();
1130 }
1131
1132 void
1133 Editor::start_scrolling ()
1134 {
1135         scroll_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect
1136                 (mem_fun(*this, &Editor::update_current_screen));
1137
1138 }
1139
1140 void
1141 Editor::stop_scrolling ()
1142 {
1143         scroll_connection.disconnect ();
1144 }
1145
1146 void
1147 Editor::map_position_change (nframes64_t frame)
1148 {
1149         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::map_position_change), frame));
1150
1151         if (session == 0 || !_follow_playhead) {
1152                 return;
1153         }
1154
1155         center_screen (frame);
1156         playhead_cursor->set_position (frame);
1157 }
1158
1159 void
1160 Editor::center_screen (nframes64_t frame)
1161 {
1162         double page = canvas_width * frames_per_unit;
1163
1164         /* if we're off the page, then scroll.
1165          */
1166
1167         if (frame < leftmost_frame || frame >= leftmost_frame + page) {
1168                 center_screen_internal (frame, page);
1169         }
1170 }
1171
1172 void
1173 Editor::center_screen_internal (nframes64_t frame, float page)
1174 {
1175         page /= 2;
1176
1177         if (frame > page) {
1178                 frame -= (nframes64_t) page;
1179         } else {
1180                 frame = 0;
1181         }
1182
1183         reset_x_origin (frame);
1184 }
1185
1186 void
1187 Editor::handle_new_duration ()
1188 {
1189         if (!session) {
1190                 return;
1191         }
1192
1193         ENSURE_GUI_THREAD (mem_fun (*this, &Editor::handle_new_duration));
1194         nframes64_t new_end = session->current_end_frame() + (nframes64_t) floorf (current_page_frames() * 0.10f);
1195
1196         horizontal_adjustment.set_upper (new_end / frames_per_unit);
1197         horizontal_adjustment.set_page_size (current_page_frames()/frames_per_unit);
1198
1199         if (horizontal_adjustment.get_value() + canvas_width > horizontal_adjustment.get_upper()) {
1200                 horizontal_adjustment.set_value (horizontal_adjustment.get_upper() - canvas_width);
1201         }
1202         //cerr << "Editor::handle_new_duration () called ha v:l:u:ps:lcf = " << horizontal_adjustment.get_value() << ":" << horizontal_adjustment.get_lower() << ":" << horizontal_adjustment.get_upper() << ":" << horizontal_adjustment.get_page_size() << ":" << endl;//DEBUG
1203 }
1204
1205 void
1206 Editor::update_title_s (const string & snap_name)
1207 {
1208         ENSURE_GUI_THREAD(bind (mem_fun(*this, &Editor::update_title_s), snap_name));
1209
1210         update_title ();
1211 }
1212
1213 void
1214 Editor::update_title ()
1215 {
1216         ENSURE_GUI_THREAD (mem_fun(*this, &Editor::update_title));
1217
1218         if (session) {
1219                 bool dirty = session->dirty();
1220
1221                 string session_name;
1222
1223                 if (session->snap_name() != session->name()) {
1224                         session_name = session->snap_name();
1225                 } else {
1226                         session_name = session->name();
1227                 }
1228
1229                 if (dirty) {
1230                         session_name = "*" + session_name;
1231                 }
1232
1233                 WindowTitle title(session_name);
1234                 title += Glib::get_application_name();
1235                 set_title (title.get_string());
1236         }
1237 }
1238
1239 void
1240 Editor::connect_to_session (Session *t)
1241 {
1242         session = t;
1243
1244         /* there are never any selected regions at startup */
1245
1246         sensitize_the_right_region_actions (false);
1247
1248         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
1249         set_state (*node);
1250
1251         /* catch up with the playhead */
1252
1253         session->request_locate (playhead_cursor->current_frame);
1254
1255         if (first_action_message) {
1256                 first_action_message->hide();
1257         }
1258
1259         update_title ();
1260
1261         session->GoingAway.connect (mem_fun(*this, &Editor::session_going_away));
1262         session->history().Changed.connect (mem_fun (*this, &Editor::history_changed));
1263
1264         /* These signals can all be emitted by a non-GUI thread. Therefore the
1265            handlers for them must not attempt to directly interact with the GUI,
1266            but use Gtkmm2ext::UI::instance()->call_slot();
1267         */
1268
1269         session_connections.push_back (session->TransportStateChange.connect (mem_fun(*this, &Editor::map_transport_state)));
1270         session_connections.push_back (session->PositionChanged.connect (mem_fun(*this, &Editor::map_position_change)));
1271         session_connections.push_back (session->RouteAdded.connect (mem_fun(*this, &Editor::handle_new_route)));
1272         session_connections.push_back (session->RegionsAdded.connect (mem_fun(*this, &Editor::handle_new_regions)));
1273         session_connections.push_back (session->RegionRemoved.connect (mem_fun(*this, &Editor::handle_region_removed)));
1274         session_connections.push_back (session->DurationChanged.connect (mem_fun(*this, &Editor::handle_new_duration)));
1275         session_connections.push_back (session->edit_group_added.connect (mem_fun(*this, &Editor::add_edit_group)));
1276         session_connections.push_back (session->edit_group_removed.connect (mem_fun(*this, &Editor::edit_groups_changed)));
1277         session_connections.push_back (session->NamedSelectionAdded.connect (mem_fun(*this, &Editor::handle_new_named_selection)));
1278         session_connections.push_back (session->NamedSelectionRemoved.connect (mem_fun(*this, &Editor::handle_new_named_selection)));
1279         session_connections.push_back (session->DirtyChanged.connect (mem_fun(*this, &Editor::update_title)));
1280         session_connections.push_back (session->StateSaved.connect (mem_fun(*this, &Editor::update_title_s)));
1281         session_connections.push_back (session->AskAboutPlaylistDeletion.connect (mem_fun(*this, &Editor::playlist_deletion_dialog)));
1282         session_connections.push_back (session->RegionHiddenChange.connect (mem_fun(*this, &Editor::region_hidden)));
1283
1284         session_connections.push_back (session->SMPTEOffsetChanged.connect (mem_fun(*this, &Editor::update_just_smpte)));
1285
1286         session_connections.push_back (session->tempo_map().StateChanged.connect (mem_fun(*this, &Editor::tempo_map_changed)));
1287
1288         session_connections.push_back (session->Located.connect (mem_fun (*this, &Editor::located)));
1289
1290         edit_groups_changed ();
1291
1292         edit_point_clock.set_mode(AudioClock::BBT);
1293         edit_point_clock.set_session (session);
1294         zoom_range_clock.set_session (session);
1295         _playlist_selector->set_session (session);
1296         nudge_clock.set_session (session);
1297         if (Profile->get_sae()) {
1298                 BBT_Time bbt;
1299                 bbt.bars = 0;
1300                 bbt.beats = 0;
1301                 bbt.ticks = 120;
1302                 nframes_t pos = session->tempo_map().bbt_duration_at (0, bbt, 1);
1303                 nudge_clock.set_mode(AudioClock::BBT);
1304                 nudge_clock.set (pos, true, 0, AudioClock::BBT);
1305
1306         } else {
1307                 nudge_clock.set (session->frame_rate() * 5, true, 0, AudioClock::SMPTE); // default of 5 seconds
1308         }
1309
1310         playhead_cursor->canvas_item.show ();
1311
1312         if (rhythm_ferret) {
1313                 rhythm_ferret->set_session (session);
1314         }
1315
1316         if (analysis_window != 0)
1317                 analysis_window->set_session (session);
1318
1319         Location* loc = session->locations()->auto_loop_location();
1320         if (loc == 0) {
1321                 loc = new Location (0, session->current_end_frame(), _("Loop"),(Location::Flags) (Location::IsAutoLoop | Location::IsHidden));
1322                 if (loc->start() == loc->end()) {
1323                         loc->set_end (loc->start() + 1);
1324                 }
1325                 session->locations()->add (loc, false);
1326                 session->set_auto_loop_location (loc);
1327         } else {
1328                 // force name
1329                 loc->set_name (_("Loop"));
1330         }
1331
1332         loc = session->locations()->auto_punch_location();
1333         if (loc == 0) {
1334                 loc = new Location (0, session->current_end_frame(), _("Punch"), (Location::Flags) (Location::IsAutoPunch | Location::IsHidden));
1335                 if (loc->start() == loc->end()) {
1336                         loc->set_end (loc->start() + 1);
1337                 }
1338                 session->locations()->add (loc, false);
1339                 session->set_auto_punch_location (loc);
1340         } else {
1341                 // force name
1342                 loc->set_name (_("Punch"));
1343         }
1344
1345         Config->map_parameters (mem_fun (*this, &Editor::parameter_changed));
1346
1347         session->StateSaved.connect (mem_fun(*this, &Editor::session_state_saved));
1348
1349         refresh_location_display ();
1350         session->locations()->added.connect (mem_fun(*this, &Editor::add_new_location));
1351         session->locations()->removed.connect (mem_fun(*this, &Editor::location_gone));
1352         session->locations()->changed.connect (mem_fun(*this, &Editor::refresh_location_display));
1353         session->locations()->StateChanged.connect (mem_fun(*this, &Editor::refresh_location_display_s));
1354         session->locations()->end_location()->changed.connect (mem_fun(*this, &Editor::end_location_changed));
1355
1356         if (sfbrowser) {
1357                 sfbrowser->set_session (session);
1358         }
1359
1360         handle_new_duration ();
1361
1362         redisplay_regions ();
1363         redisplay_named_selections ();
1364         redisplay_snapshots ();
1365
1366         restore_ruler_visibility ();
1367         //tempo_map_changed (Change (0));
1368         session->tempo_map().apply_with_metrics (*this, &Editor::draw_metric_marks);
1369
1370         initial_route_list_display ();
1371
1372         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
1373                 (static_cast<TimeAxisView*>(*i))->set_samples_per_unit (frames_per_unit);
1374         }
1375
1376         start_scrolling ();
1377
1378         /* don't show master bus in a new session */
1379
1380         if (ARDOUR_UI::instance()->session_is_new ()) {
1381
1382                 TreeModel::Children rows = route_display_model->children();
1383                 TreeModel::Children::iterator i;
1384
1385                 no_route_list_redisplay = true;
1386
1387                 for (i = rows.begin(); i != rows.end(); ++i) {
1388                         TimeAxisView *tv =  (*i)[route_display_columns.tv];
1389                         RouteTimeAxisView *rtv;
1390
1391                         if ((rtv = dynamic_cast<RouteTimeAxisView*>(tv)) != 0) {
1392                                 if (rtv->route()->is_master()) {
1393                                         route_list_display.get_selection()->unselect (i);
1394                                 }
1395                         }
1396                 }
1397
1398                 no_route_list_redisplay = false;
1399                 redisplay_route_list ();
1400         }
1401
1402         switch (snap_type) {
1403         case SnapToRegionStart:
1404         case SnapToRegionEnd:
1405         case SnapToRegionSync:
1406         case SnapToRegionBoundary:
1407                 build_region_boundary_cache ();
1408                 break;
1409
1410         default:
1411                 break;
1412         }
1413
1414         /* register for undo history */
1415         session->register_with_memento_command_factory(_id, this);
1416
1417         start_updating ();
1418 }
1419
1420 void
1421 Editor::build_cursors ()
1422 {
1423         using namespace Gdk;
1424
1425         Gdk::Color mbg ("#000000" ); /* Black */
1426         Gdk::Color mfg ("#0000ff" ); /* Blue. */
1427
1428         {
1429                 RefPtr<Bitmap> source, mask;
1430                 source = Bitmap::create (mag_bits, mag_width, mag_height);
1431                 mask = Bitmap::create (magmask_bits, mag_width, mag_height);
1432                 zoom_cursor = new Gdk::Cursor (source, mask, mfg, mbg, mag_x_hot, mag_y_hot);
1433         }
1434
1435         Gdk::Color fbg ("#ffffff" );
1436         Gdk::Color ffg  ("#000000" );
1437
1438         {
1439                 RefPtr<Bitmap> source, mask;
1440
1441                 source = Bitmap::create (fader_cursor_bits, fader_cursor_width, fader_cursor_height);
1442                 mask = Bitmap::create (fader_cursor_mask_bits, fader_cursor_width, fader_cursor_height);
1443                 fader_cursor = new Gdk::Cursor (source, mask, ffg, fbg, fader_cursor_x_hot, fader_cursor_y_hot);
1444         }
1445
1446         {
1447                 RefPtr<Bitmap> source, mask;
1448                 source = Bitmap::create (speaker_cursor_bits, speaker_cursor_width, speaker_cursor_height);
1449                 mask = Bitmap::create (speaker_cursor_mask_bits, speaker_cursor_width, speaker_cursor_height);
1450                 speaker_cursor = new Gdk::Cursor (source, mask, ffg, fbg, speaker_cursor_x_hot, speaker_cursor_y_hot);
1451         }
1452
1453         {
1454                 RefPtr<Bitmap> bits;
1455                 char pix[4] = { 0, 0, 0, 0 };
1456                 bits = Bitmap::create (pix, 2, 2);
1457                 Gdk::Color c;
1458                 transparent_cursor = new Gdk::Cursor (bits, bits, c, c, 0, 0);
1459         }
1460
1461         {
1462                 RefPtr<Bitmap> bits;
1463                 char pix[4] = { 0, 0, 0, 0 };
1464                 bits = Bitmap::create (pix, 2, 2);
1465                 Gdk::Color c;
1466                 transparent_cursor = new Gdk::Cursor (bits, bits, c, c, 0, 0);
1467         }
1468
1469
1470         grabber_cursor = new Gdk::Cursor (HAND2);
1471
1472         {
1473                 Glib::RefPtr<Gdk::Pixbuf> grabber_edit_point_pixbuf (::get_icon ("grabber_edit_point"));
1474                 grabber_edit_point_cursor = new Gdk::Cursor (Gdk::Display::get_default(), grabber_edit_point_pixbuf, 5, 17);
1475         }
1476
1477         cross_hair_cursor = new Gdk::Cursor (CROSSHAIR);
1478         trimmer_cursor =  new Gdk::Cursor (SB_H_DOUBLE_ARROW);
1479         selector_cursor = new Gdk::Cursor (XTERM);
1480         time_fx_cursor = new Gdk::Cursor (SIZING);
1481         wait_cursor = new Gdk::Cursor  (WATCH);
1482         timebar_cursor = new Gdk::Cursor(LEFT_PTR);
1483         midi_pencil_cursor = new Gdk::Cursor (PENCIL);
1484         midi_select_cursor = new Gdk::Cursor (CENTER_PTR);
1485         midi_resize_cursor = new Gdk::Cursor (SIZING);
1486         midi_erase_cursor = new Gdk::Cursor (DRAPED_BOX);
1487 }
1488
1489 /** Pop up a context menu for when the user clicks on a fade in or fade out */
1490 void
1491 Editor::popup_fade_context_menu (int button, int32_t time, ArdourCanvas::Item* item, ItemType item_type)
1492 {
1493         using namespace Menu_Helpers;
1494         AudioRegionView* arv = static_cast<AudioRegionView*> (item->get_data ("regionview"));
1495
1496         if (arv == 0) {
1497                 fatal << _("programming error: fade in canvas item has no regionview data pointer!") << endmsg;
1498                 /*NOTREACHED*/
1499         }
1500
1501         MenuList& items (fade_context_menu.items());
1502
1503         items.clear ();
1504
1505         switch (item_type) {
1506         case FadeInItem:
1507         case FadeInHandleItem:
1508                 if (arv->audio_region()->fade_in_active()) {
1509                         items.push_back (MenuElem (_("Deactivate"), bind (mem_fun (*this, &Editor::set_fade_in_active), false)));
1510                 } else {
1511                         items.push_back (MenuElem (_("Activate"), bind (mem_fun (*this, &Editor::set_fade_in_active), true)));
1512                 }
1513
1514                 items.push_back (SeparatorElem());
1515
1516                 if (Profile->get_sae()) {
1517                         items.push_back (MenuElem (_("Linear"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Linear)));
1518                         items.push_back (MenuElem (_("Slowest"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Fast)));
1519                 } else {
1520                         items.push_back (MenuElem (_("Linear"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Linear)));
1521                         items.push_back (MenuElem (_("Slowest"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Fast)));
1522                         items.push_back (MenuElem (_("Slow"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::LogB)));
1523                         items.push_back (MenuElem (_("Fast"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::LogA)));
1524                         items.push_back (MenuElem (_("Fastest"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Slow)));
1525                 }
1526
1527                 break;
1528
1529         case FadeOutItem:
1530         case FadeOutHandleItem:
1531                 if (arv->audio_region()->fade_out_active()) {
1532                         items.push_back (MenuElem (_("Deactivate"), bind (mem_fun (*this, &Editor::set_fade_out_active), false)));
1533                 } else {
1534                         items.push_back (MenuElem (_("Activate"), bind (mem_fun (*this, &Editor::set_fade_out_active), true)));
1535                 }
1536
1537                 items.push_back (SeparatorElem());
1538
1539                 if (Profile->get_sae()) {
1540                         items.push_back (MenuElem (_("Linear"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Linear)));
1541                         items.push_back (MenuElem (_("Slowest"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Slow)));
1542                 } else {
1543                         items.push_back (MenuElem (_("Linear"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Linear)));
1544                         items.push_back (MenuElem (_("Slowest"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Slow)));
1545                         items.push_back (MenuElem (_("Slow"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::LogA)));
1546                         items.push_back (MenuElem (_("Fast"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::LogB)));
1547                         items.push_back (MenuElem (_("Fastest"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Fast)));
1548                 }
1549
1550                 break;
1551
1552         default:
1553                 fatal << _("programming error: ")
1554                       << X_("non-fade canvas item passed to popup_fade_context_menu()")
1555                       << endmsg;
1556                 /*NOTREACHED*/
1557         }
1558
1559         fade_context_menu.popup (button, time);
1560 }
1561
1562 void
1563 Editor::popup_track_context_menu (int button, int32_t time, ItemType item_type, bool with_selection, nframes64_t frame)
1564 {
1565         using namespace Menu_Helpers;
1566         Menu* (Editor::*build_menu_function)(nframes64_t);
1567         Menu *menu;
1568
1569         switch (item_type) {
1570         case RegionItem:
1571         case RegionViewName:
1572         case RegionViewNameHighlight:
1573                 if (with_selection) {
1574                         build_menu_function = &Editor::build_track_selection_context_menu;
1575                 } else {
1576                         build_menu_function = &Editor::build_track_region_context_menu;
1577                 }
1578                 break;
1579
1580         case SelectionItem:
1581                 if (with_selection) {
1582                         build_menu_function = &Editor::build_track_selection_context_menu;
1583                 } else {
1584                         build_menu_function = &Editor::build_track_context_menu;
1585                 }
1586                 break;
1587
1588         case CrossfadeViewItem:
1589                 build_menu_function = &Editor::build_track_crossfade_context_menu;
1590                 break;
1591
1592         case StreamItem:
1593                 if (clicked_routeview->get_diskstream()) {
1594                         build_menu_function = &Editor::build_track_context_menu;
1595                 } else {
1596                         build_menu_function = &Editor::build_track_bus_context_menu;
1597                 }
1598                 break;
1599
1600         default:
1601                 /* probably shouldn't happen but if it does, we don't care */
1602                 return;
1603         }
1604
1605         menu = (this->*build_menu_function)(frame);
1606         menu->set_name ("ArdourContextMenu");
1607
1608         /* now handle specific situations */
1609
1610         switch (item_type) {
1611         case RegionItem:
1612         case RegionViewName:
1613         case RegionViewNameHighlight:
1614                 if (!with_selection) {
1615                         if (region_edit_menu_split_item) {
1616                                 if (clicked_regionview && clicked_regionview->region()->covers (get_preferred_edit_position())) {
1617                                         ActionManager::set_sensitive (ActionManager::edit_point_in_region_sensitive_actions, true);
1618                                 } else {
1619                                         ActionManager::set_sensitive (ActionManager::edit_point_in_region_sensitive_actions, false);
1620                                 }
1621                         }
1622                         /*
1623                         if (region_edit_menu_split_multichannel_item) {
1624                                 if (clicked_regionview && clicked_regionview->region().n_channels() > 1) {
1625                                         // GTK2FIX find the action, change its sensitivity
1626                                         // region_edit_menu_split_multichannel_item->set_sensitive (true);
1627                                 } else {
1628                                         // GTK2FIX see above
1629                                         // region_edit_menu_split_multichannel_item->set_sensitive (false);
1630                                 }
1631                         }*/
1632                 }
1633                 break;
1634
1635         case SelectionItem:
1636                 break;
1637
1638         case CrossfadeViewItem:
1639                 break;
1640
1641         case StreamItem:
1642                 break;
1643
1644         default:
1645                 /* probably shouldn't happen but if it does, we don't care */
1646                 return;
1647         }
1648
1649         if (item_type != SelectionItem && clicked_routeview && clicked_routeview->audio_track()) {
1650
1651                 /* Bounce to disk */
1652
1653                 using namespace Menu_Helpers;
1654                 MenuList& edit_items  = menu->items();
1655
1656                 edit_items.push_back (SeparatorElem());
1657
1658                 switch (clicked_routeview->audio_track()->freeze_state()) {
1659                 case AudioTrack::NoFreeze:
1660                         edit_items.push_back (MenuElem (_("Freeze"), mem_fun(*this, &Editor::freeze_route)));
1661                         break;
1662
1663                 case AudioTrack::Frozen:
1664                         edit_items.push_back (MenuElem (_("Unfreeze"), mem_fun(*this, &Editor::unfreeze_route)));
1665                         break;
1666
1667                 case AudioTrack::UnFrozen:
1668                         edit_items.push_back (MenuElem (_("Freeze"), mem_fun(*this, &Editor::freeze_route)));
1669                         break;
1670                 }
1671
1672         }
1673
1674         if (item_type == StreamItem && clicked_routeview) {
1675                 clicked_routeview->build_underlay_menu(menu);
1676         }
1677
1678         menu->popup (button, time);
1679 }
1680
1681 Menu*
1682 Editor::build_track_context_menu (nframes64_t ignored)
1683 {
1684         using namespace Menu_Helpers;
1685
1686         MenuList& edit_items = track_context_menu.items();
1687         edit_items.clear();
1688
1689         add_dstream_context_items (edit_items);
1690         return &track_context_menu;
1691 }
1692
1693 Menu*
1694 Editor::build_track_bus_context_menu (nframes64_t ignored)
1695 {
1696         using namespace Menu_Helpers;
1697
1698         MenuList& edit_items = track_context_menu.items();
1699         edit_items.clear();
1700
1701         add_bus_context_items (edit_items);
1702         return &track_context_menu;
1703 }
1704
1705 Menu*
1706 Editor::build_track_region_context_menu (nframes64_t frame)
1707 {
1708         using namespace Menu_Helpers;
1709         MenuList& edit_items  = track_region_context_menu.items();
1710         edit_items.clear();
1711
1712         RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (clicked_axisview);
1713
1714         if (rtv) {
1715                 boost::shared_ptr<Diskstream> ds;
1716                 boost::shared_ptr<Playlist> pl;
1717
1718                 if ((ds = rtv->get_diskstream()) && ((pl = ds->playlist()))) {
1719                         Playlist::RegionList* regions = pl->regions_at ((nframes64_t) floor ( (double)frame * ds->speed()));
1720
1721                         if (selection->regions.size() > 1) {
1722                                 // there's already a multiple selection: just add a
1723                                 // single region context menu that will act on all
1724                                 // selected regions
1725                                 boost::shared_ptr<Region> dummy_region; // = NULL
1726                                 add_region_context_items (rtv->view(), dummy_region, edit_items);
1727                         } else {
1728                                 for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
1729                                         add_region_context_items (rtv->view(), (*i), edit_items);
1730                                 }
1731                         }
1732
1733                         delete regions;
1734                 }
1735         }
1736
1737         add_dstream_context_items (edit_items);
1738
1739         return &track_region_context_menu;
1740 }
1741
1742 Menu*
1743 Editor::build_track_crossfade_context_menu (nframes64_t frame)
1744 {
1745         using namespace Menu_Helpers;
1746         MenuList& edit_items  = track_crossfade_context_menu.items();
1747         edit_items.clear ();
1748
1749         AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*> (clicked_axisview);
1750
1751         if (atv) {
1752                 boost::shared_ptr<Diskstream> ds;
1753                 boost::shared_ptr<Playlist> pl;
1754                 boost::shared_ptr<AudioPlaylist> apl;
1755
1756                 if ((ds = atv->get_diskstream()) && ((pl = ds->playlist()) != 0) && ((apl = boost::dynamic_pointer_cast<AudioPlaylist> (pl)) != 0)) {
1757
1758                         Playlist::RegionList* regions = pl->regions_at (frame);
1759                         AudioPlaylist::Crossfades xfades;
1760
1761                         apl->crossfades_at (frame, xfades);
1762
1763                         bool many = xfades.size() > 1;
1764
1765                         for (AudioPlaylist::Crossfades::iterator i = xfades.begin(); i != xfades.end(); ++i) {
1766                                 add_crossfade_context_items (atv->audio_view(), (*i), edit_items, many);
1767                         }
1768
1769                         if (selection->regions.size() > 1) {
1770                                 // there's already a multiple selection: just add a
1771                                 // single region context menu that will act on all
1772                                 // selected regions
1773                                 boost::shared_ptr<Region> dummy_region; // = NULL
1774                                 add_region_context_items (atv->audio_view(), dummy_region, edit_items);
1775                         } else {
1776                                 for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
1777                                         add_region_context_items (atv->audio_view(), (*i), edit_items);
1778                                 }
1779                         }
1780                         delete regions;
1781                 }
1782         }
1783
1784         add_dstream_context_items (edit_items);
1785
1786         return &track_crossfade_context_menu;
1787 }
1788
1789 void
1790 Editor::analyze_region_selection()
1791 {
1792         if (analysis_window == 0) {
1793                 analysis_window = new AnalysisWindow();
1794
1795                 if (session != 0)
1796                         analysis_window->set_session(session);
1797
1798                 analysis_window->show_all();
1799         }
1800
1801         analysis_window->set_regionmode();
1802         analysis_window->analyze();
1803
1804         analysis_window->present();
1805 }
1806
1807 void
1808 Editor::analyze_range_selection()
1809 {
1810         if (analysis_window == 0) {
1811                 analysis_window = new AnalysisWindow();
1812
1813                 if (session != 0)
1814                         analysis_window->set_session(session);
1815
1816                 analysis_window->show_all();
1817         }
1818
1819         analysis_window->set_rangemode();
1820         analysis_window->analyze();
1821
1822         analysis_window->present();
1823 }
1824
1825 Menu*
1826 Editor::build_track_selection_context_menu (nframes64_t ignored)
1827 {
1828         using namespace Menu_Helpers;
1829         MenuList& edit_items  = track_selection_context_menu.items();
1830         edit_items.clear ();
1831
1832         add_selection_context_items (edit_items);
1833         // edit_items.push_back (SeparatorElem());
1834         // add_dstream_context_items (edit_items);
1835
1836         return &track_selection_context_menu;
1837 }
1838
1839 /** Add context menu items relevant to crossfades.
1840  * @param edit_items List to add the items to.
1841  */
1842 void
1843 Editor::add_crossfade_context_items (AudioStreamView* view, boost::shared_ptr<Crossfade> xfade, Menu_Helpers::MenuList& edit_items, bool many)
1844 {
1845         using namespace Menu_Helpers;
1846         Menu     *xfade_menu = manage (new Menu);
1847         MenuList& items       = xfade_menu->items();
1848         xfade_menu->set_name ("ArdourContextMenu");
1849         string str;
1850
1851         if (xfade->active()) {
1852                 str = _("Mute");
1853         } else {
1854                 str = _("Unmute");
1855         }
1856
1857         items.push_back (MenuElem (str, bind (mem_fun(*this, &Editor::toggle_xfade_active), boost::weak_ptr<Crossfade> (xfade))));
1858         items.push_back (MenuElem (_("Edit"), bind (mem_fun(*this, &Editor::edit_xfade), boost::weak_ptr<Crossfade> (xfade))));
1859
1860         if (xfade->can_follow_overlap()) {
1861
1862                 if (xfade->following_overlap()) {
1863                         str = _("Convert to short");
1864                 } else {
1865                         str = _("Convert to full");
1866                 }
1867
1868                 items.push_back (MenuElem (str, bind (mem_fun(*this, &Editor::toggle_xfade_length), xfade)));
1869         }
1870
1871         if (many) {
1872                 str = xfade->out()->name();
1873                 str += "->";
1874                 str += xfade->in()->name();
1875         } else {
1876                 str = _("Crossfade");
1877         }
1878
1879         edit_items.push_back (MenuElem (str, *xfade_menu));
1880         edit_items.push_back (SeparatorElem());
1881 }
1882
1883 void
1884 Editor::xfade_edit_left_region ()
1885 {
1886         if (clicked_crossfadeview) {
1887                 clicked_crossfadeview->left_view.show_region_editor ();
1888         }
1889 }
1890
1891 void
1892 Editor::xfade_edit_right_region ()
1893 {
1894         if (clicked_crossfadeview) {
1895                 clicked_crossfadeview->right_view.show_region_editor ();
1896         }
1897 }
1898
1899 /** Add an element to a menu, settings its sensitivity.
1900  * @param m Menu to add to.
1901  * @param e Element to add.
1902  * @param s true to make sensitive, false to make insensitive
1903  */
1904 void
1905 Editor::add_item_with_sensitivity (Menu_Helpers::MenuList& m, Menu_Helpers::MenuElem e, bool s) const
1906 {
1907         m.push_back (e);
1908         if (!s) {
1909                 m.back().set_sensitive (false);
1910         }
1911 }
1912
1913 void
1914 Editor::add_region_context_items (StreamView* sv, boost::shared_ptr<Region> region, Menu_Helpers::MenuList& edit_items)
1915 {
1916         using namespace Menu_Helpers;
1917         Gtk::MenuItem* foo_item;
1918         Menu     *region_menu = manage (new Menu);
1919         MenuList& items       = region_menu->items();
1920         region_menu->set_name ("ArdourContextMenu");
1921
1922         boost::shared_ptr<AudioRegion> ar;
1923         boost::shared_ptr<MidiRegion>  mr;
1924
1925         if (region) {
1926                 ar = boost::dynamic_pointer_cast<AudioRegion> (region);
1927                 mr = boost::dynamic_pointer_cast<MidiRegion> (region);
1928
1929                 /* when this particular menu pops up, make the relevant region
1930                    become selected.
1931                 */
1932
1933                 region_menu->signal_map_event().connect (
1934                         bind (mem_fun(*this, &Editor::set_selected_regionview_from_map_event), sv, boost::weak_ptr<Region>(region)));
1935
1936                 items.push_back (MenuElem (_("Rename"), mem_fun(*this, &Editor::rename_region)));
1937                 items.push_back (MenuElem (_("Popup region editor"), mem_fun(*this, &Editor::edit_region)));
1938         }
1939
1940         items.push_back (MenuElem (_("Raise to top layer"), mem_fun(*this, &Editor::raise_region_to_top)));
1941         items.push_back (MenuElem (_("Lower to bottom layer"), mem_fun  (*this, &Editor::lower_region_to_bottom)));
1942         items.push_back (SeparatorElem());
1943         items.push_back (MenuElem (_("Define sync point"), mem_fun(*this, &Editor::set_region_sync_from_edit_point)));
1944         items.push_back (MenuElem (_("Remove sync point"), mem_fun(*this, &Editor::remove_region_sync)));
1945         items.push_back (SeparatorElem());
1946
1947         items.push_back (MenuElem (_("Audition"), mem_fun(*this, &Editor::play_selected_region)));
1948         items.push_back (MenuElem (_("Export"), mem_fun(*this, &Editor::export_region)));
1949         items.push_back (MenuElem (_("Bounce"), mem_fun(*this, &Editor::bounce_region_selection)));
1950
1951         if (ar) {
1952                 items.push_back (MenuElem (_("Spectral Analysis"), mem_fun(*this, &Editor::analyze_region_selection)));
1953         }
1954
1955         items.push_back (SeparatorElem());
1956
1957         sigc::connection fooc;
1958         boost::shared_ptr<Region> region_to_check;
1959
1960         if (region) {
1961                 region_to_check = region;
1962         } else {
1963                 region_to_check = selection->regions.front()->region();
1964         }
1965
1966         items.push_back (CheckMenuElem (_("Lock")));
1967         CheckMenuItem* region_lock_item = static_cast<CheckMenuItem*>(&items.back());
1968         if (region_to_check->locked()) {
1969                 region_lock_item->set_active();
1970         }
1971         region_lock_item->signal_activate().connect (mem_fun(*this, &Editor::toggle_region_lock));
1972
1973         items.push_back (CheckMenuElem (_("Glue to Bars&Beats")));
1974         CheckMenuItem* bbt_glue_item = static_cast<CheckMenuItem*>(&items.back());
1975
1976         switch (region_to_check->positional_lock_style()) {
1977         case Region::MusicTime:
1978                 bbt_glue_item->set_active (true);
1979                 break;
1980         default:
1981                 bbt_glue_item->set_active (false);
1982                 break;
1983         }
1984
1985         bbt_glue_item->signal_activate().connect (bind (mem_fun (*this, &Editor::set_region_lock_style), Region::MusicTime));
1986
1987         items.push_back (CheckMenuElem (_("Mute")));
1988         CheckMenuItem* region_mute_item = static_cast<CheckMenuItem*>(&items.back());
1989         fooc = region_mute_item->signal_activate().connect (mem_fun(*this, &Editor::toggle_region_mute));
1990         if (region_to_check->muted()) {
1991                 fooc.block (true);
1992                 region_mute_item->set_active();
1993                 fooc.block (false);
1994         }
1995
1996         if (!Profile->get_sae()) {
1997                 items.push_back (CheckMenuElem (_("Opaque")));
1998                 CheckMenuItem* region_opaque_item = static_cast<CheckMenuItem*>(&items.back());
1999                 fooc = region_opaque_item->signal_activate().connect (mem_fun(*this, &Editor::toggle_region_opaque));
2000                 if (region_to_check->opaque()) {
2001                         fooc.block (true);
2002                         region_opaque_item->set_active();
2003                         fooc.block (false);
2004                 }
2005         }
2006
2007         items.push_back (CheckMenuElem (_("Original position"), mem_fun(*this, &Editor::naturalize)));
2008         if (region_to_check->at_natural_position()) {
2009                 items.back().set_sensitive (false);
2010         }
2011
2012         items.push_back (SeparatorElem());
2013
2014         if (ar) {
2015
2016                 RegionView* rv = sv->find_view (ar);
2017                 AudioRegionView* arv = dynamic_cast<AudioRegionView*>(rv);
2018
2019                 if (!Profile->get_sae()) {
2020                         items.push_back (MenuElem (_("Reset Envelope"), mem_fun(*this, &Editor::reset_region_gain_envelopes)));
2021
2022                         items.push_back (CheckMenuElem (_("Envelope Visible")));
2023                         CheckMenuItem* region_envelope_visible_item = static_cast<CheckMenuItem*> (&items.back());
2024                         fooc = region_envelope_visible_item->signal_activate().connect (mem_fun(*this, &Editor::toggle_gain_envelope_visibility));
2025                         if (arv->envelope_visible()) {
2026                                 fooc.block (true);
2027                                 region_envelope_visible_item->set_active (true);
2028                                 fooc.block (false);
2029                         }
2030
2031                         items.push_back (CheckMenuElem (_("Envelope Active")));
2032                         CheckMenuItem* region_envelope_active_item = static_cast<CheckMenuItem*> (&items.back());
2033                         fooc = region_envelope_active_item->signal_activate().connect (mem_fun(*this, &Editor::toggle_gain_envelope_active));
2034
2035                         if (ar->envelope_active()) {
2036                                 fooc.block (true);
2037                                 region_envelope_active_item->set_active (true);
2038                                 fooc.block (false);
2039                         }
2040
2041                         items.push_back (SeparatorElem());
2042                 }
2043
2044                 if (ar->scale_amplitude() != 1.0f) {
2045                         items.push_back (MenuElem (_("DeNormalize"), mem_fun(*this, &Editor::denormalize_region)));
2046                 } else {
2047                         items.push_back (MenuElem (_("Normalize"), mem_fun(*this, &Editor::normalize_region)));
2048                 }
2049
2050         } else if (mr) {
2051                 items.push_back (MenuElem (_("Quantize"), mem_fun(*this, &Editor::quantize_region)));
2052                 items.push_back (SeparatorElem());
2053         }
2054
2055         items.push_back (MenuElem (_("Reverse"), mem_fun(*this, &Editor::reverse_region)));
2056         items.push_back (SeparatorElem());
2057
2058         /* range related stuff */
2059
2060         items.push_back (MenuElem (_("Add Single Range"), mem_fun (*this, &Editor::add_location_from_audio_region)));
2061         items.push_back (MenuElem (_("Add Range Markers"), mem_fun (*this, &Editor::add_locations_from_audio_region)));
2062         if (selection->regions.size() < 2) {
2063                 items.back().set_sensitive (false);
2064         }
2065
2066         items.push_back (MenuElem (_("Set Range Selection"), mem_fun (*this, &Editor::set_selection_from_region)));
2067         items.push_back (SeparatorElem());
2068
2069         /* Nudge region */
2070
2071         Menu *nudge_menu = manage (new Menu());
2072         MenuList& nudge_items = nudge_menu->items();
2073         nudge_menu->set_name ("ArdourContextMenu");
2074
2075         nudge_items.push_back (MenuElem (_("Nudge fwd"), (bind (mem_fun(*this, &Editor::nudge_forward), false, false))));
2076         nudge_items.push_back (MenuElem (_("Nudge bwd"), (bind (mem_fun(*this, &Editor::nudge_backward), false, false))));
2077         nudge_items.push_back (MenuElem (_("Nudge fwd by capture offset"), (mem_fun(*this, &Editor::nudge_forward_capture_offset))));
2078         nudge_items.push_back (MenuElem (_("Nudge bwd by capture offset"), (mem_fun(*this, &Editor::nudge_backward_capture_offset))));
2079
2080         items.push_back (MenuElem (_("Nudge"), *nudge_menu));
2081         items.push_back (SeparatorElem());
2082
2083         Menu *trim_menu = manage (new Menu);
2084         MenuList& trim_items = trim_menu->items();
2085         trim_menu->set_name ("ArdourContextMenu");
2086
2087         trim_items.push_back (MenuElem (_("Start to edit point"), mem_fun(*this, &Editor::trim_region_from_edit_point)));
2088         foo_item = &trim_items.back();
2089         if (_edit_point == EditAtMouse) {
2090                 foo_item->set_sensitive (false);
2091         }
2092         trim_items.push_back (MenuElem (_("Edit point to end"), mem_fun(*this, &Editor::trim_region_to_edit_point)));
2093         foo_item = &trim_items.back();
2094         if (_edit_point == EditAtMouse) {
2095                 foo_item->set_sensitive (false);
2096         }
2097         trim_items.push_back (MenuElem (_("Trim To Loop"), mem_fun(*this, &Editor::trim_region_to_loop)));
2098         trim_items.push_back (MenuElem (_("Trim To Punch"), mem_fun(*this, &Editor::trim_region_to_punch)));
2099
2100         items.push_back (MenuElem (_("Trim"), *trim_menu));
2101         items.push_back (SeparatorElem());
2102
2103         items.push_back (MenuElem (_("Split"), (mem_fun(*this, &Editor::split_region))));
2104         region_edit_menu_split_item = &items.back();
2105
2106         if (_edit_point == EditAtMouse) {
2107                 region_edit_menu_split_item->set_sensitive (false);
2108         }
2109
2110         items.push_back (MenuElem (_("Make mono regions"), (mem_fun(*this, &Editor::split_multichannel_region))));
2111         region_edit_menu_split_multichannel_item = &items.back();
2112
2113         items.push_back (MenuElem (_("Duplicate"), (bind (mem_fun(*this, &Editor::duplicate_dialog), false))));
2114         items.push_back (MenuElem (_("Multi-Duplicate"), (bind (mem_fun(*this, &Editor::duplicate_dialog), true))));
2115         items.push_back (MenuElem (_("Fill Track"), (mem_fun(*this, &Editor::region_fill_track))));
2116         items.push_back (SeparatorElem());
2117         items.push_back (MenuElem (_("Remove"), mem_fun(*this, &Editor::remove_selected_regions)));
2118
2119         /* OK, stick the region submenu at the top of the list, and then add
2120            the standard items.
2121         */
2122
2123         /* we have to hack up the region name because "_" has a special
2124            meaning for menu titles.
2125         */
2126
2127         string::size_type pos = 0;
2128         string menu_item_name = (region) ? region->name() : _("Selected regions");
2129
2130         while ((pos = menu_item_name.find ("_", pos)) != string::npos) {
2131                 menu_item_name.replace (pos, 1, "__");
2132                 pos += 2;
2133         }
2134
2135         edit_items.push_back (MenuElem (menu_item_name, *region_menu));
2136         edit_items.push_back (SeparatorElem());
2137 }
2138
2139 /** Add context menu items relevant to selection ranges.
2140  * @param edit_items List to add the items to.
2141  */
2142 void
2143 Editor::add_selection_context_items (Menu_Helpers::MenuList& edit_items)
2144 {
2145         using namespace Menu_Helpers;
2146
2147         edit_items.push_back (MenuElem (_("Play range"), mem_fun(*this, &Editor::play_selection)));
2148         edit_items.push_back (MenuElem (_("Loop range"), bind (mem_fun(*this, &Editor::set_loop_from_selection), true)));
2149
2150         edit_items.push_back (SeparatorElem());
2151         edit_items.push_back (MenuElem (_("Spectral Analysis"), mem_fun(*this, &Editor::analyze_range_selection)));
2152
2153         edit_items.push_back (SeparatorElem());
2154         edit_items.push_back (MenuElem (_("Extend Range to End of Region"), bind (mem_fun(*this, &Editor::extend_selection_to_end_of_region), false)));
2155         edit_items.push_back (MenuElem (_("Extend Range to Start of Region"), bind (mem_fun(*this, &Editor::extend_selection_to_start_of_region), false)));
2156
2157         edit_items.push_back (SeparatorElem());
2158         edit_items.push_back (MenuElem (_("Convert to region in-place"), mem_fun(*this, &Editor::separate_region_from_selection)));
2159         edit_items.push_back (MenuElem (_("Convert to region in region list"), mem_fun(*this, &Editor::new_region_from_selection)));
2160
2161         edit_items.push_back (SeparatorElem());
2162         edit_items.push_back (MenuElem (_("Select all in range"), mem_fun(*this, &Editor::select_all_selectables_using_time_selection)));
2163
2164         edit_items.push_back (SeparatorElem());
2165         edit_items.push_back (MenuElem (_("Set loop from selection"), bind (mem_fun(*this, &Editor::set_loop_from_selection), false)));
2166         edit_items.push_back (MenuElem (_("Set punch from selection"), mem_fun(*this, &Editor::set_punch_from_selection)));
2167
2168         edit_items.push_back (SeparatorElem());
2169         edit_items.push_back (MenuElem (_("Add Range Markers"), mem_fun (*this, &Editor::add_location_from_selection)));
2170         edit_items.push_back (SeparatorElem());
2171         edit_items.push_back (MenuElem (_("Crop region to range"), mem_fun(*this, &Editor::crop_region_to_selection)));
2172         edit_items.push_back (MenuElem (_("Fill range with region"), mem_fun(*this, &Editor::region_fill_selection)));
2173         edit_items.push_back (MenuElem (_("Duplicate range"), bind (mem_fun(*this, &Editor::duplicate_dialog), false)));
2174         edit_items.push_back (MenuElem (_("Create chunk from range"), mem_fun(*this, &Editor::create_named_selection)));
2175         edit_items.push_back (SeparatorElem());
2176         edit_items.push_back (MenuElem (_("Consolidate range"), bind (mem_fun(*this, &Editor::bounce_range_selection), true, false)));
2177         edit_items.push_back (MenuElem (_("Consolidate range with processing"), bind (mem_fun(*this, &Editor::bounce_range_selection), true, true)));
2178         edit_items.push_back (MenuElem (_("Bounce range to region list"), bind (mem_fun(*this, &Editor::bounce_range_selection), false, false)));
2179         edit_items.push_back (MenuElem (_("Bounce range to region list with processing"), bind (mem_fun(*this, &Editor::bounce_range_selection), false, true)));
2180         edit_items.push_back (MenuElem (_("Export range"), mem_fun(*this, &Editor::export_range)));
2181 }
2182
2183
2184 void
2185 Editor::add_dstream_context_items (Menu_Helpers::MenuList& edit_items)
2186 {
2187         using namespace Menu_Helpers;
2188
2189         /* Playback */
2190
2191         Menu *play_menu = manage (new Menu);
2192         MenuList& play_items = play_menu->items();
2193         play_menu->set_name ("ArdourContextMenu");
2194
2195         play_items.push_back (MenuElem (_("Play from edit point"), mem_fun(*this, &Editor::play_from_edit_point)));
2196         play_items.push_back (MenuElem (_("Play from start"), mem_fun(*this, &Editor::play_from_start)));
2197         play_items.push_back (MenuElem (_("Play region"), mem_fun(*this, &Editor::play_selected_region)));
2198         play_items.push_back (SeparatorElem());
2199         play_items.push_back (MenuElem (_("Loop Region"), mem_fun(*this, &Editor::loop_selected_region)));
2200
2201         edit_items.push_back (MenuElem (_("Play"), *play_menu));
2202
2203         /* Selection */
2204
2205         Menu *select_menu = manage (new Menu);
2206         MenuList& select_items = select_menu->items();
2207         select_menu->set_name ("ArdourContextMenu");
2208
2209         select_items.push_back (MenuElem (_("Select All in track"), bind (mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
2210         select_items.push_back (MenuElem (_("Select All"), bind (mem_fun(*this, &Editor::select_all), Selection::Set)));
2211         select_items.push_back (MenuElem (_("Invert selection in track"), mem_fun(*this, &Editor::invert_selection_in_track)));
2212         select_items.push_back (MenuElem (_("Invert selection"), mem_fun(*this, &Editor::invert_selection)));
2213         select_items.push_back (SeparatorElem());
2214         select_items.push_back (MenuElem (_("Set range to loop range"), mem_fun(*this, &Editor::set_selection_from_loop)));
2215         select_items.push_back (MenuElem (_("Set range to punch range"), mem_fun(*this, &Editor::set_selection_from_punch)));
2216         select_items.push_back (SeparatorElem());
2217         select_items.push_back (MenuElem (_("Select All After Edit Point"), bind (mem_fun(*this, &Editor::select_all_selectables_using_edit), true)));
2218         select_items.push_back (MenuElem (_("Select All Before Edit Point"), bind (mem_fun(*this, &Editor::select_all_selectables_using_edit), false)));
2219         select_items.push_back (MenuElem (_("Select All After Playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
2220         select_items.push_back (MenuElem (_("Select All Before Playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
2221         select_items.push_back (MenuElem (_("Select All Between Playhead & Edit Point"), bind (mem_fun(*this, &Editor::select_all_selectables_between), false)));
2222         select_items.push_back (MenuElem (_("Select All Within Playhead & Edit Point"), bind (mem_fun(*this, &Editor::select_all_selectables_between), true)));
2223         select_items.push_back (MenuElem (_("Select Range Between Playhead & Edit Point"), mem_fun(*this, &Editor::select_range_between)));
2224
2225         select_items.push_back (SeparatorElem());
2226
2227         edit_items.push_back (MenuElem (_("Select"), *select_menu));
2228
2229         /* Cut-n-Paste */
2230
2231         Menu *cutnpaste_menu = manage (new Menu);
2232         MenuList& cutnpaste_items = cutnpaste_menu->items();
2233         cutnpaste_menu->set_name ("ArdourContextMenu");
2234
2235         cutnpaste_items.push_back (MenuElem (_("Cut"), mem_fun(*this, &Editor::cut)));
2236         cutnpaste_items.push_back (MenuElem (_("Copy"), mem_fun(*this, &Editor::copy)));
2237         cutnpaste_items.push_back (MenuElem (_("Paste"), bind (mem_fun(*this, &Editor::paste), 1.0f)));
2238
2239         cutnpaste_items.push_back (SeparatorElem());
2240
2241         cutnpaste_items.push_back (MenuElem (_("Align"), bind (mem_fun(*this, &Editor::align), ARDOUR::SyncPoint)));
2242         cutnpaste_items.push_back (MenuElem (_("Align Relative"), bind (mem_fun(*this, &Editor::align_relative), ARDOUR::SyncPoint)));
2243
2244         cutnpaste_items.push_back (SeparatorElem());
2245
2246         cutnpaste_items.push_back (MenuElem (_("Insert chunk"), bind (mem_fun(*this, &Editor::paste_named_selection), 1.0f)));
2247
2248         edit_items.push_back (MenuElem (_("Edit"), *cutnpaste_menu));
2249
2250         /* Adding new material */
2251
2252         edit_items.push_back (SeparatorElem());
2253         edit_items.push_back (MenuElem (_("Insert Selected Region"), bind (mem_fun(*this, &Editor::insert_region_list_selection), 1.0f)));
2254         edit_items.push_back (MenuElem (_("Insert Existing Media"), bind (mem_fun(*this, &Editor::add_external_audio_action), ImportToTrack)));
2255
2256         /* Nudge track */
2257
2258         Menu *nudge_menu = manage (new Menu());
2259         MenuList& nudge_items = nudge_menu->items();
2260         nudge_menu->set_name ("ArdourContextMenu");
2261
2262         edit_items.push_back (SeparatorElem());
2263         nudge_items.push_back (MenuElem (_("Nudge entire track fwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, true))));
2264         nudge_items.push_back (MenuElem (_("Nudge track after edit point fwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, true))));
2265         nudge_items.push_back (MenuElem (_("Nudge entire track bwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, false))));
2266         nudge_items.push_back (MenuElem (_("Nudge track after edit point bwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, false))));
2267
2268         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
2269 }
2270
2271 void
2272 Editor::add_bus_context_items (Menu_Helpers::MenuList& edit_items)
2273 {
2274         using namespace Menu_Helpers;
2275
2276         /* Playback */
2277
2278         Menu *play_menu = manage (new Menu);
2279         MenuList& play_items = play_menu->items();
2280         play_menu->set_name ("ArdourContextMenu");
2281
2282         play_items.push_back (MenuElem (_("Play from edit point"), mem_fun(*this, &Editor::play_from_edit_point)));
2283         play_items.push_back (MenuElem (_("Play from start"), mem_fun(*this, &Editor::play_from_start)));
2284         edit_items.push_back (MenuElem (_("Play"), *play_menu));
2285
2286         /* Selection */
2287
2288         Menu *select_menu = manage (new Menu);
2289         MenuList& select_items = select_menu->items();
2290         select_menu->set_name ("ArdourContextMenu");
2291
2292         select_items.push_back (MenuElem (_("Select All in track"), bind (mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
2293         select_items.push_back (MenuElem (_("Select All"), bind (mem_fun(*this, &Editor::select_all), Selection::Set)));
2294         select_items.push_back (MenuElem (_("Invert selection in track"), mem_fun(*this, &Editor::invert_selection_in_track)));
2295         select_items.push_back (MenuElem (_("Invert selection"), mem_fun(*this, &Editor::invert_selection)));
2296         select_items.push_back (SeparatorElem());
2297         select_items.push_back (MenuElem (_("Select all after edit point"), bind (mem_fun(*this, &Editor::select_all_selectables_using_edit), true)));
2298         select_items.push_back (MenuElem (_("Select all before edit point"), bind (mem_fun(*this, &Editor::select_all_selectables_using_edit), false)));
2299         select_items.push_back (MenuElem (_("Select all after playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
2300         select_items.push_back (MenuElem (_("Select all before playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
2301
2302         edit_items.push_back (MenuElem (_("Select"), *select_menu));
2303
2304         /* Cut-n-Paste */
2305
2306         Menu *cutnpaste_menu = manage (new Menu);
2307         MenuList& cutnpaste_items = cutnpaste_menu->items();
2308         cutnpaste_menu->set_name ("ArdourContextMenu");
2309
2310         cutnpaste_items.push_back (MenuElem (_("Cut"), mem_fun(*this, &Editor::cut)));
2311         cutnpaste_items.push_back (MenuElem (_("Copy"), mem_fun(*this, &Editor::copy)));
2312         cutnpaste_items.push_back (MenuElem (_("Paste"), bind (mem_fun(*this, &Editor::paste), 1.0f)));
2313
2314         Menu *nudge_menu = manage (new Menu());
2315         MenuList& nudge_items = nudge_menu->items();
2316         nudge_menu->set_name ("ArdourContextMenu");
2317
2318         edit_items.push_back (SeparatorElem());
2319         nudge_items.push_back (MenuElem (_("Nudge entire track fwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, true))));
2320         nudge_items.push_back (MenuElem (_("Nudge track after edit point fwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, true))));
2321         nudge_items.push_back (MenuElem (_("Nudge entire track bwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, false))));
2322         nudge_items.push_back (MenuElem (_("Nudge track after edit point bwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, false))));
2323
2324         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
2325 }
2326
2327 void
2328 Editor::set_snap_to (SnapType st)
2329 {
2330         unsigned int snap_ind = (unsigned int)st;
2331
2332         snap_type = st;
2333
2334         if (snap_ind > snap_type_strings.size() - 1) {
2335                 snap_ind = 0;
2336                 snap_type = (SnapType)snap_ind;
2337         }
2338
2339         string str = snap_type_strings[snap_ind];
2340
2341         if (str != snap_type_selector.get_active_text()) {
2342                 snap_type_selector.set_active_text (str);
2343         }
2344
2345         instant_save ();
2346
2347         switch (snap_type) {
2348         case SnapToAThirtysecondBeat:
2349         case SnapToASixteenthBeat:
2350         case SnapToAEighthBeat:
2351         case SnapToAQuarterBeat:
2352         case SnapToAThirdBeat:
2353                 compute_bbt_ruler_scale (leftmost_frame, leftmost_frame + current_page_frames());
2354                 update_tempo_based_rulers ();
2355                 break;
2356
2357         case SnapToRegionStart:
2358         case SnapToRegionEnd:
2359         case SnapToRegionSync:
2360         case SnapToRegionBoundary:
2361                 build_region_boundary_cache ();
2362                 break;
2363
2364         default:
2365                 /* relax */
2366                 break;
2367     }
2368 }
2369
2370 void
2371 Editor::set_snap_mode (SnapMode mode)
2372 {
2373         snap_mode = mode;
2374         string str = snap_mode_strings[(int)mode];
2375
2376         if (str != snap_mode_selector.get_active_text ()) {
2377                 snap_mode_selector.set_active_text (str);
2378         }
2379
2380         instant_save ();
2381 }
2382 void
2383 Editor::set_edit_point_preference (EditPoint ep, bool force)
2384 {
2385         bool changed = (_edit_point != ep);
2386
2387         _edit_point = ep;
2388         string str = edit_point_strings[(int)ep];
2389
2390         if (str != edit_point_selector.get_active_text ()) {
2391                 edit_point_selector.set_active_text (str);
2392         }
2393
2394         set_canvas_cursor ();
2395
2396         if (!force && !changed) {
2397                 return;
2398         }
2399
2400         switch (zoom_focus) {
2401         case ZoomFocusMouse:
2402         case ZoomFocusPlayhead:
2403         case ZoomFocusEdit:
2404                 switch (_edit_point) {
2405                 case EditAtMouse:
2406                         set_zoom_focus (ZoomFocusMouse);
2407                         break;
2408                 case EditAtPlayhead:
2409                         set_zoom_focus (ZoomFocusPlayhead);
2410                         break;
2411                 case EditAtSelectedMarker:
2412                         set_zoom_focus (ZoomFocusEdit);
2413                         break;
2414                 }
2415                 break;
2416         default:
2417                 break;
2418         }
2419
2420         const char* action=NULL;
2421
2422         switch (_edit_point) {
2423         case EditAtPlayhead:
2424                 action = "edit-at-playhead";
2425                 break;
2426         case EditAtSelectedMarker:
2427                 action = "edit-at-marker";
2428                 break;
2429         case EditAtMouse:
2430                 action = "edit-at-mouse";
2431                 break;
2432         }
2433
2434         Glib::RefPtr<Action> act = ActionManager::get_action ("Editor", action);
2435         if (act) {
2436                 Glib::RefPtr<RadioAction>::cast_dynamic(act)->set_active (true);
2437         }
2438
2439         nframes64_t foo;
2440         bool in_track_canvas;
2441
2442         if (!mouse_frame (foo, in_track_canvas)) {
2443                 in_track_canvas = false;
2444         }
2445
2446         reset_canvas_action_sensitivity (in_track_canvas);
2447
2448         instant_save ();
2449 }
2450
2451 int
2452 Editor::set_state (const XMLNode& node)
2453 {
2454         const XMLProperty* prop;
2455         XMLNode* geometry;
2456         int x, y, xoff, yoff;
2457         Gdk::Geometry g;
2458
2459         if ((prop = node.property ("id")) != 0) {
2460                 _id = prop->value ();
2461         }
2462
2463         g.base_width = default_width;
2464         g.base_height = default_height;
2465         x = 1;
2466         y = 1;
2467         xoff = 0;
2468         yoff = 21;
2469
2470         if ((geometry = find_named_node (node, "geometry")) != 0) {
2471
2472                 XMLProperty* prop;
2473
2474                 if ((prop = geometry->property("x_size")) == 0) {
2475                         prop = geometry->property ("x-size");
2476                 }
2477                 if (prop) {
2478                         g.base_width = atoi(prop->value());
2479                 }
2480                 if ((prop = geometry->property("y_size")) == 0) {
2481                         prop = geometry->property ("y-size");
2482                 }
2483                 if (prop) {
2484                         g.base_height = atoi(prop->value());
2485                 }
2486
2487                 if ((prop = geometry->property ("x_pos")) == 0) {
2488                         prop = geometry->property ("x-pos");
2489                 }
2490                 if (prop) {
2491                         x = atoi (prop->value());
2492
2493                 }
2494                 if ((prop = geometry->property ("y_pos")) == 0) {
2495                         prop = geometry->property ("y-pos");
2496                 }
2497                 if (prop) {
2498                         y = atoi (prop->value());
2499                 }
2500
2501                 if ((prop = geometry->property ("x_off")) == 0) {
2502                         prop = geometry->property ("x-off");
2503                 }
2504                 if (prop) {
2505                         xoff = atoi (prop->value());
2506                 }
2507                 if ((prop = geometry->property ("y_off")) == 0) {
2508                         prop = geometry->property ("y-off");
2509                 }
2510                 if (prop) {
2511                         yoff = atoi (prop->value());
2512                 }
2513         }
2514
2515         set_default_size (g.base_width, g.base_height);
2516         move (x, y);
2517
2518         if (session && (prop = node.property ("playhead"))) {
2519                 nframes64_t pos = atol (prop->value().c_str());
2520                 playhead_cursor->set_position (pos);
2521         } else {
2522                 playhead_cursor->set_position (0);
2523
2524                 /* reset_x_origin() doesn't work right here, since the old
2525                    position may be zero already, and it does nothing in such
2526                    circumstances.
2527                 */
2528
2529                 leftmost_frame = 0;
2530                 horizontal_adjustment.set_value (0);
2531         }
2532
2533         if ((prop = node.property ("mixer-width"))) {
2534                 editor_mixer_strip_width = Width (string_2_enum (prop->value(), editor_mixer_strip_width));
2535         }
2536
2537         if ((prop = node.property ("zoom-focus"))) {
2538                 set_zoom_focus ((ZoomFocus) atoi (prop->value()));
2539         }
2540
2541         if ((prop = node.property ("zoom"))) {
2542                 reset_zoom (PBD::atof (prop->value()));
2543         }
2544
2545         if ((prop = node.property ("snap-to"))) {
2546                 set_snap_to ((SnapType) atoi (prop->value()));
2547         }
2548
2549         if ((prop = node.property ("snap-mode"))) {
2550                 set_snap_mode ((SnapMode) atoi (prop->value()));
2551         }
2552
2553         if ((prop = node.property ("edit-point"))) {
2554                 set_edit_point_preference ((EditPoint) string_2_enum (prop->value(), _edit_point), true);
2555         }
2556
2557         if ((prop = node.property ("mouse-mode"))) {
2558                 MouseMode m = str2mousemode(prop->value());
2559                 mouse_mode = MouseMode ((int) m + 1); /* lie, force mode switch */
2560                 set_mouse_mode (m, true);
2561         } else {
2562                 mouse_mode = MouseGain; /* lie, to force the mode switch */
2563                 set_mouse_mode (MouseObject, true);
2564         }
2565
2566         if ((prop = node.property ("show-waveforms"))) {
2567                 bool yn = (prop->value() == "yes");
2568                 _show_waveforms = !yn;
2569                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-waveform-visible"));
2570                 if (act) {
2571                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2572                         /* do it twice to force the change */
2573                         tact->set_active (!yn);
2574                         tact->set_active (yn);
2575                 }
2576         }
2577
2578         if ((prop = node.property ("show-waveforms-recording"))) {
2579                 bool yn = (prop->value() == "yes");
2580                 _show_waveforms_recording = !yn;
2581                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleWaveformsWhileRecording"));
2582                 if (act) {
2583                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2584                         /* do it twice to force the change */
2585                         tact->set_active (!yn);
2586                         tact->set_active (yn);
2587                 }
2588         }
2589
2590         if ((prop = node.property ("show-measures"))) {
2591                 bool yn = (prop->value() == "yes");
2592                 _show_measures = !yn;
2593                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleMeasureVisibility"));
2594                 if (act) {
2595                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2596                         /* do it twice to force the change */
2597                         tact->set_active (!yn);
2598                         tact->set_active (yn);
2599                 }
2600         }
2601
2602         if ((prop = node.property ("follow-playhead"))) {
2603                 bool yn = (prop->value() == "yes");
2604                 set_follow_playhead (yn);
2605                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
2606                 if (act) {
2607                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2608                         if (tact->get_active() != yn) {
2609                                 tact->set_active (yn);
2610                         }
2611                 }
2612         }
2613
2614         if ((prop = node.property ("region-list-sort-type"))) {
2615                 region_list_sort_type = (Editing::RegionListSortType) -1; // force change
2616                 reset_region_list_sort_type(str2regionlistsorttype(prop->value()));
2617         }
2618
2619         if ((prop = node.property ("xfades-visible"))) {
2620                 bool yn = (prop->value() == "yes");
2621                 _xfade_visibility = !yn;
2622                 // set_xfade_visibility (yn);
2623         }
2624
2625         if ((prop = node.property ("show-editor-mixer"))) {
2626
2627                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2628                 if (act) {
2629
2630                         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2631                         bool yn = (prop->value() == X_("yes"));
2632
2633                         /* do it twice to force the change */
2634
2635                         tact->set_active (!yn);
2636                         tact->set_active (yn);
2637                 }
2638         }
2639
2640         if ((prop = node.property ("show-editor-list"))) {
2641
2642                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-list"));
2643                 assert(act);
2644                 if (act) {
2645
2646                         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2647                         bool yn = (prop->value() == X_("yes"));
2648
2649                         /* do it twice to force the change */
2650
2651                         tact->set_active (!yn);
2652                         tact->set_active (yn);
2653                 }
2654         }
2655
2656
2657         return 0;
2658 }
2659
2660 XMLNode&
2661 Editor::get_state ()
2662 {
2663         XMLNode* node = new XMLNode ("Editor");
2664         char buf[32];
2665
2666         _id.print (buf, sizeof (buf));
2667         node->add_property ("id", buf);
2668
2669         if (is_realized()) {
2670                 Glib::RefPtr<Gdk::Window> win = get_window();
2671
2672                 int x, y, xoff, yoff, width, height;
2673                 win->get_root_origin(x, y);
2674                 win->get_position(xoff, yoff);
2675                 win->get_size(width, height);
2676
2677                 XMLNode* geometry = new XMLNode ("geometry");
2678
2679                 snprintf(buf, sizeof(buf), "%d", width);
2680                 geometry->add_property("x-size", string(buf));
2681                 snprintf(buf, sizeof(buf), "%d", height);
2682                 geometry->add_property("y-size", string(buf));
2683                 snprintf(buf, sizeof(buf), "%d", x);
2684                 geometry->add_property("x-pos", string(buf));
2685                 snprintf(buf, sizeof(buf), "%d", y);
2686                 geometry->add_property("y-pos", string(buf));
2687                 snprintf(buf, sizeof(buf), "%d", xoff);
2688                 geometry->add_property("x-off", string(buf));
2689                 snprintf(buf, sizeof(buf), "%d", yoff);
2690                 geometry->add_property("y-off", string(buf));
2691                 snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (static_cast<Paned*>(&edit_pane)->gobj()));
2692                 geometry->add_property("edit_pane_pos", string(buf));
2693
2694                 node->add_child_nocopy (*geometry);
2695         }
2696
2697         maybe_add_mixer_strip_width (*node);
2698
2699         snprintf (buf, sizeof(buf), "%d", (int) zoom_focus);
2700         node->add_property ("zoom-focus", buf);
2701         snprintf (buf, sizeof(buf), "%f", frames_per_unit);
2702         node->add_property ("zoom", buf);
2703         snprintf (buf, sizeof(buf), "%d", (int) snap_type);
2704         node->add_property ("snap-to", buf);
2705         snprintf (buf, sizeof(buf), "%d", (int) snap_mode);
2706         node->add_property ("snap-mode", buf);
2707
2708         node->add_property ("edit-point", enum_2_string (_edit_point));
2709
2710         snprintf (buf, sizeof (buf), "%" PRIi64, playhead_cursor->current_frame);
2711         node->add_property ("playhead", buf);
2712
2713         node->add_property ("show-waveforms", _show_waveforms ? "yes" : "no");
2714         node->add_property ("show-waveforms-recording", _show_waveforms_recording ? "yes" : "no");
2715         node->add_property ("show-measures", _show_measures ? "yes" : "no");
2716         node->add_property ("follow-playhead", _follow_playhead ? "yes" : "no");
2717         node->add_property ("xfades-visible", _xfade_visibility ? "yes" : "no");
2718         node->add_property ("region-list-sort-type", enum2str(region_list_sort_type));
2719         node->add_property ("mouse-mode", enum2str(mouse_mode));
2720
2721         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2722         if (act) {
2723                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2724                 node->add_property (X_("show-editor-mixer"), tact->get_active() ? "yes" : "no");
2725         }
2726
2727         act = ActionManager::get_action (X_("Editor"), X_("show-editor-list"));
2728         if (act) {
2729                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2730                 node->add_property (X_("show-editor-list"), tact->get_active() ? "yes" : "no");
2731         }
2732
2733         return *node;
2734 }
2735
2736
2737
2738 /** @param y y offset from the top of all trackviews.
2739  *  @return pair: TimeAxisView that y is over, layer index.
2740  *  TimeAxisView may be 0.  Layer index is the layer number if the TimeAxisView is valid and is
2741  *  in stacked region display mode, otherwise 0.
2742  */
2743 std::pair<TimeAxisView *, layer_t>
2744 Editor::trackview_by_y_position (double y)
2745 {
2746         for (TrackViewList::iterator iter = track_views.begin(); iter != track_views.end(); ++iter) {
2747
2748                 std::pair<TimeAxisView*, int> const r = (*iter)->covers_y_position (y);
2749                 if (r.first) {
2750                         return r;
2751                 }
2752         }
2753
2754         return std::make_pair ( (TimeAxisView *) 0, 0);
2755 }
2756
2757 void
2758 Editor::snap_to (nframes64_t& start, int32_t direction, bool for_mark)
2759 {
2760         if (!session || snap_mode == SnapOff) {
2761                 return;
2762         }
2763
2764         snap_to_internal (start, direction, for_mark);
2765 }
2766
2767 void
2768 Editor::snap_to_internal (nframes64_t& start, int32_t direction, bool for_mark)
2769 {
2770         Location* before = 0;
2771         Location* after = 0;
2772
2773         const nframes64_t one_second = session->frame_rate();
2774         const nframes64_t one_minute = session->frame_rate() * 60;
2775         const nframes64_t one_smpte_second = (nframes64_t)(rint(session->smpte_frames_per_second()) * session->frames_per_smpte_frame());
2776         nframes64_t one_smpte_minute = (nframes64_t)(rint(session->smpte_frames_per_second()) * session->frames_per_smpte_frame() * 60);
2777         nframes64_t presnap = start;
2778
2779         switch (snap_type) {
2780         case SnapToCDFrame:
2781                 if (((direction == 0) && (start % (one_second/75) > (one_second/75) / 2)) || (direction > 0)) {
2782                         start = (nframes64_t) ceil ((double) start / (one_second / 75)) * (one_second / 75);
2783                 } else {
2784                         start = (nframes64_t) floor ((double) start / (one_second / 75)) * (one_second / 75);
2785                 }
2786                 break;
2787
2788         case SnapToSMPTEFrame:
2789                 if (((direction == 0) && (fmod((double)start, (double)session->frames_per_smpte_frame()) > (session->frames_per_smpte_frame() / 2))) || (direction > 0)) {
2790                         start = (nframes64_t) (ceil ((double) start / session->frames_per_smpte_frame()) * session->frames_per_smpte_frame());
2791                 } else {
2792                         start = (nframes64_t) (floor ((double) start / session->frames_per_smpte_frame()) *  session->frames_per_smpte_frame());
2793                 }
2794                 break;
2795
2796         case SnapToSMPTESeconds:
2797                 if (session->smpte_offset_negative())
2798                 {
2799                         start += session->smpte_offset ();
2800                 } else {
2801                         start -= session->smpte_offset ();
2802                 }
2803                 if (((direction == 0) && (start % one_smpte_second > one_smpte_second / 2)) || direction > 0) {
2804                         start = (nframes64_t) ceil ((double) start / one_smpte_second) * one_smpte_second;
2805                 } else {
2806                         start = (nframes64_t) floor ((double) start / one_smpte_second) * one_smpte_second;
2807                 }
2808
2809                 if (session->smpte_offset_negative())
2810                 {
2811                         start -= session->smpte_offset ();
2812                 } else {
2813                         start += session->smpte_offset ();
2814                 }
2815                 break;
2816
2817         case SnapToSMPTEMinutes:
2818                 if (session->smpte_offset_negative())
2819                 {
2820                         start += session->smpte_offset ();
2821                 } else {
2822                         start -= session->smpte_offset ();
2823                 }
2824                 if (((direction == 0) && (start % one_smpte_minute > one_smpte_minute / 2)) || direction > 0) {
2825                         start = (nframes64_t) ceil ((double) start / one_smpte_minute) * one_smpte_minute;
2826                 } else {
2827                         start = (nframes64_t) floor ((double) start / one_smpte_minute) * one_smpte_minute;
2828                 }
2829                 if (session->smpte_offset_negative())
2830                 {
2831                         start -= session->smpte_offset ();
2832                 } else {
2833                         start += session->smpte_offset ();
2834                 }
2835                 break;
2836
2837         case SnapToSeconds:
2838                 if (((direction == 0) && (start % one_second > one_second / 2)) || (direction > 0)) {
2839                         start = (nframes64_t) ceil ((double) start / one_second) * one_second;
2840                 } else {
2841                         start = (nframes64_t) floor ((double) start / one_second) * one_second;
2842                 }
2843                 break;
2844
2845         case SnapToMinutes:
2846                 if (((direction == 0) && (start % one_minute > one_minute / 2)) || (direction > 0)) {
2847                         start = (nframes64_t) ceil ((double) start / one_minute) * one_minute;
2848                 } else {
2849                         start = (nframes64_t) floor ((double) start / one_minute) * one_minute;
2850                 }
2851                 break;
2852
2853         case SnapToBar:
2854                 start = session->tempo_map().round_to_bar (start, direction);
2855                 break;
2856
2857         case SnapToBeat:
2858                 start = session->tempo_map().round_to_beat (start, direction);
2859                 break;
2860
2861         case SnapToAThirtysecondBeat:
2862                 start = session->tempo_map().round_to_beat_subdivision (start, 32);
2863                 break;
2864
2865         case SnapToASixteenthBeat:
2866                 start = session->tempo_map().round_to_beat_subdivision (start, 16);
2867                 break;
2868
2869         case SnapToAEighthBeat:
2870                 start = session->tempo_map().round_to_beat_subdivision (start, 8);
2871                 break;
2872
2873         case SnapToAQuarterBeat:
2874                 start = session->tempo_map().round_to_beat_subdivision (start, 4);
2875                 break;
2876
2877         case SnapToAThirdBeat:
2878                 start = session->tempo_map().round_to_beat_subdivision (start, 3);
2879                 break;
2880
2881         case SnapToMark:
2882                 if (for_mark) {
2883                         return;
2884                 }
2885
2886                 before = session->locations()->first_location_before (start);
2887                 after = session->locations()->first_location_after (start);
2888
2889                 if (direction < 0) {
2890                         if (before) {
2891                                 start = before->start();
2892                         } else {
2893                                 start = 0;
2894                         }
2895                 } else if (direction > 0) {
2896                         if (after) {
2897                                 start = after->start();
2898                         } else {
2899                                 start = session->current_end_frame();
2900                         }
2901                 } else {
2902                         if (before) {
2903                                 if (after) {
2904                                         /* find nearest of the two */
2905                                         if ((start - before->start()) < (after->start() - start)) {
2906                                                 start = before->start();
2907                                         } else {
2908                                                 start = after->start();
2909                                         }
2910                                 } else {
2911                                         start = before->start();
2912                                 }
2913                         } else if (after) {
2914                                 start = after->start();
2915                         } else {
2916                                 /* relax */
2917                         }
2918                 }
2919                 break;
2920
2921         case SnapToRegionStart:
2922         case SnapToRegionEnd:
2923         case SnapToRegionSync:
2924         case SnapToRegionBoundary:
2925                 if (!region_boundary_cache.empty()) {
2926                         vector<nframes64_t>::iterator i;
2927
2928                         if (direction > 0) {
2929                                 i = std::upper_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2930                         } else {
2931                                 i = std::lower_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2932                         }
2933
2934                         if (i != region_boundary_cache.end()) {
2935
2936                                 /* lower bound doesn't quite to the right thing for our purposes */
2937
2938                                 if (direction < 0 && i != region_boundary_cache.begin()) {
2939                                         --i;
2940                                 }
2941
2942                                 start = *i;
2943
2944                         } else {
2945                                 start = region_boundary_cache.back();
2946                         }
2947                 }
2948                 break;
2949         }
2950
2951         switch (snap_mode) {
2952         case SnapNormal:
2953                 return;
2954
2955         case SnapMagnetic:
2956
2957                 if (presnap > start) {
2958                         if (presnap > (start + unit_to_frame(snap_threshold))) {
2959                                 start = presnap;
2960                         }
2961
2962                 } else if (presnap < start) {
2963                         if (presnap < (start - unit_to_frame(snap_threshold))) {
2964                                 start = presnap;
2965                         }
2966                 }
2967
2968         default:
2969                 /* handled at entry */
2970                 return;
2971
2972         }
2973 }
2974
2975 double
2976 Editor::snap_length_beats (nframes64_t start)
2977 {
2978         if (!session) {
2979                 return 1.0;
2980         }
2981
2982         /* FIXME: This could/should also work with non-tempo based snap settings (ie seconds) */
2983
2984         switch (snap_type) {
2985         case SnapToBar:
2986                 return session->tempo_map().meter_at(start).beats_per_bar();
2987
2988         case SnapToBeat:
2989                 return 1.0;
2990
2991         case SnapToAThirtysecondBeat:
2992                 return 1.0 / (double)32.0;
2993                 break;
2994
2995         case SnapToASixteenthBeat:
2996                 return 1.0 / (double)16.0;
2997                 break;
2998
2999         case SnapToAEighthBeat:
3000                 return 1.0 / (double)8.0;
3001                 break;
3002
3003         case SnapToAQuarterBeat:
3004                 return 1.0 / (double)4.0;
3005                 break;
3006
3007         case SnapToAThirdBeat:
3008                 return 1.0 / (double)3.0;
3009
3010         default:
3011                 return 1.0;
3012         }
3013 }
3014
3015 void
3016 Editor::setup_toolbar ()
3017 {
3018         string pixmap_path;
3019
3020         /* Mode Buttons (tool selection) */
3021
3022         vector<ToggleButton *> mouse_mode_buttons;
3023
3024         mouse_move_button.add (*(manage (new Image (::get_icon("tool_object")))));
3025         mouse_move_button.set_relief(Gtk::RELIEF_NONE);
3026         mouse_mode_buttons.push_back (&mouse_move_button);
3027
3028         if (!Profile->get_sae()) {
3029                 mouse_select_button.add (*(manage (new Image (get_xpm("tool_range.xpm")))));
3030                 mouse_select_button.set_relief(Gtk::RELIEF_NONE);
3031                 mouse_mode_buttons.push_back (&mouse_select_button);
3032
3033                 mouse_gain_button.add (*(manage (new Image (::get_icon("tool_gain")))));
3034                 mouse_gain_button.set_relief(Gtk::RELIEF_NONE);
3035                 mouse_mode_buttons.push_back (&mouse_gain_button);
3036         }
3037
3038         mouse_zoom_button.add (*(manage (new Image (::get_icon("tool_zoom")))));
3039         mouse_zoom_button.set_relief(Gtk::RELIEF_NONE);
3040         mouse_mode_buttons.push_back (&mouse_zoom_button);
3041         mouse_timefx_button.add (*(manage (new Image (::get_icon("tool_stretch")))));
3042         mouse_timefx_button.set_relief(Gtk::RELIEF_NONE);
3043         mouse_mode_buttons.push_back (&mouse_timefx_button);
3044         mouse_audition_button.add (*(manage (new Image (::get_icon("tool_audition")))));
3045         mouse_audition_button.set_relief(Gtk::RELIEF_NONE);
3046         mouse_note_button.add (*(manage (new Image (::get_icon("tool_note")))));
3047         mouse_note_button.set_relief(Gtk::RELIEF_NONE);
3048         mouse_mode_buttons.push_back (&mouse_note_button);
3049         mouse_mode_buttons.push_back (&mouse_audition_button);
3050
3051         mouse_mode_button_set = new GroupedButtons (mouse_mode_buttons);
3052
3053         HBox* mode_box = manage(new HBox);
3054         mode_box->set_border_width (2);
3055         mode_box->set_spacing(4);
3056         mouse_mode_button_box.set_spacing(1);
3057         mouse_mode_button_box.pack_start(mouse_move_button, true, true);
3058         if (!Profile->get_sae()) {
3059                 mouse_mode_button_box.pack_start(mouse_select_button, true, true);
3060         }
3061         mouse_mode_button_box.pack_start(mouse_zoom_button, true, true);
3062         if (!Profile->get_sae()) {
3063                 mouse_mode_button_box.pack_start(mouse_gain_button, true, true);
3064         }
3065         mouse_mode_button_box.pack_start(mouse_timefx_button, true, true);
3066         mouse_mode_button_box.pack_start(mouse_audition_button, true, true);
3067         mouse_mode_button_box.pack_start(mouse_note_button, true, true);
3068         mouse_mode_button_box.set_homogeneous(true);
3069
3070         vector<string> edit_mode_strings;
3071         edit_mode_strings.push_back (edit_mode_to_string (Slide));
3072         if (!Profile->get_sae()) {
3073                 edit_mode_strings.push_back (edit_mode_to_string (Splice));
3074         }
3075         edit_mode_strings.push_back (edit_mode_to_string (Lock));
3076
3077         edit_mode_selector.set_name ("EditModeSelector");
3078         set_popdown_strings (edit_mode_selector, edit_mode_strings, true);
3079         edit_mode_selector.signal_changed().connect (mem_fun(*this, &Editor::edit_mode_selection_done));
3080
3081         mode_box->pack_start(edit_mode_selector);
3082         mode_box->pack_start(mouse_mode_button_box);
3083
3084         mouse_mode_tearoff = manage (new TearOff (*mode_box));
3085         mouse_mode_tearoff->set_name ("MouseModeBase");
3086
3087         if (Profile->get_sae()) {
3088                 mouse_mode_tearoff->set_can_be_torn_off (false);
3089         }
3090
3091         mouse_mode_tearoff->Detach.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
3092                                                   &mouse_mode_tearoff->tearoff_window()));
3093         mouse_mode_tearoff->Attach.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
3094                                                   &mouse_mode_tearoff->tearoff_window(), 1));
3095         mouse_mode_tearoff->Hidden.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
3096                                                   &mouse_mode_tearoff->tearoff_window()));
3097         mouse_mode_tearoff->Visible.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
3098                                                    &mouse_mode_tearoff->tearoff_window(), 1));
3099
3100         mouse_move_button.set_name ("MouseModeButton");
3101         mouse_select_button.set_name ("MouseModeButton");
3102         mouse_gain_button.set_name ("MouseModeButton");
3103         mouse_zoom_button.set_name ("MouseModeButton");
3104         mouse_timefx_button.set_name ("MouseModeButton");
3105         mouse_audition_button.set_name ("MouseModeButton");
3106         mouse_note_button.set_name ("MouseModeButton");
3107
3108         ARDOUR_UI::instance()->tooltips().set_tip (mouse_move_button, _("Select/Move Objects"));
3109         ARDOUR_UI::instance()->tooltips().set_tip (mouse_select_button, _("Select/Move Ranges"));
3110         ARDOUR_UI::instance()->tooltips().set_tip (mouse_gain_button, _("Draw Gain Automation"));
3111         ARDOUR_UI::instance()->tooltips().set_tip (mouse_zoom_button, _("Select Zoom Range"));
3112         ARDOUR_UI::instance()->tooltips().set_tip (mouse_timefx_button, _("Stretch/Shrink Regions"));
3113         ARDOUR_UI::instance()->tooltips().set_tip (mouse_audition_button, _("Listen to Specific Regions"));
3114         ARDOUR_UI::instance()->tooltips().set_tip (mouse_note_button, _("Edit MIDI Notes"));
3115
3116         mouse_move_button.unset_flags (CAN_FOCUS);
3117         mouse_select_button.unset_flags (CAN_FOCUS);
3118         mouse_gain_button.unset_flags (CAN_FOCUS);
3119         mouse_zoom_button.unset_flags (CAN_FOCUS);
3120         mouse_timefx_button.unset_flags (CAN_FOCUS);
3121         mouse_audition_button.unset_flags (CAN_FOCUS);
3122         mouse_note_button.unset_flags (CAN_FOCUS);
3123
3124         mouse_select_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseRange));
3125         mouse_select_button.signal_button_release_event().connect (mem_fun(*this, &Editor::mouse_select_button_release));
3126
3127         mouse_move_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseObject));
3128         mouse_gain_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseGain));
3129         mouse_zoom_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseZoom));
3130         mouse_timefx_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseTimeFX));
3131         mouse_audition_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseAudition));
3132         mouse_note_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseNote));
3133
3134         // mouse_move_button.set_active (true);
3135
3136
3137         /* Zoom */
3138
3139         zoom_box.set_spacing (1);
3140         zoom_box.set_border_width (0);
3141
3142         zoom_in_button.set_name ("EditorTimeButton");
3143         zoom_in_button.set_size_request(-1,16);
3144         zoom_in_button.add (*(manage (new Image (::get_icon("zoom_in")))));
3145         zoom_in_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::temporal_zoom_step), false));
3146         ARDOUR_UI::instance()->tooltips().set_tip (zoom_in_button, _("Zoom In"));
3147
3148         zoom_out_button.set_name ("EditorTimeButton");
3149         zoom_out_button.set_size_request(-1,16);
3150         zoom_out_button.add (*(manage (new Image (::get_icon("zoom_out")))));
3151         zoom_out_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::temporal_zoom_step), true));
3152         ARDOUR_UI::instance()->tooltips().set_tip (zoom_out_button, _("Zoom Out"));
3153
3154         zoom_out_full_button.set_name ("EditorTimeButton");
3155         zoom_out_full_button.set_size_request(-1,16);
3156         zoom_out_full_button.add (*(manage (new Image (::get_icon("zoom_full")))));
3157         zoom_out_full_button.signal_clicked().connect (mem_fun(*this, &Editor::temporal_zoom_session));
3158         ARDOUR_UI::instance()->tooltips().set_tip (zoom_out_full_button, _("Zoom to Session"));
3159
3160         zoom_focus_selector.set_name ("ZoomFocusSelector");
3161         set_popdown_strings (zoom_focus_selector, zoom_focus_strings, true);
3162         zoom_focus_selector.signal_changed().connect (mem_fun(*this, &Editor::zoom_focus_selection_done));
3163         ARDOUR_UI::instance()->tooltips().set_tip (zoom_focus_selector, _("Zoom focus"));
3164
3165         zoom_box.pack_start (zoom_focus_selector, true, true);
3166         zoom_box.pack_start (zoom_out_button, false, false);
3167         zoom_box.pack_start (zoom_in_button, false, false);
3168         zoom_box.pack_start (zoom_out_full_button, false, false);
3169
3170         snap_box.set_spacing (1);
3171         snap_box.set_border_width (2);
3172
3173         snap_type_selector.set_name ("SnapTypeSelector");
3174         set_popdown_strings (snap_type_selector, snap_type_strings, true);
3175         snap_type_selector.signal_changed().connect (mem_fun(*this, &Editor::snap_type_selection_done));
3176         ARDOUR_UI::instance()->tooltips().set_tip (snap_type_selector, _("Snap/Grid Units"));
3177
3178         snap_mode_selector.set_name ("SnapModeSelector");
3179         set_popdown_strings (snap_mode_selector, snap_mode_strings, true);
3180         snap_mode_selector.signal_changed().connect (mem_fun(*this, &Editor::snap_mode_selection_done));
3181         ARDOUR_UI::instance()->tooltips().set_tip (snap_mode_selector, _("Snap/Grid Mode"));
3182
3183         edit_point_selector.set_name ("EditPointSelector");
3184         set_popdown_strings (edit_point_selector, edit_point_strings, true);
3185         edit_point_selector.signal_changed().connect (mem_fun(*this, &Editor::edit_point_selection_done));
3186         ARDOUR_UI::instance()->tooltips().set_tip (edit_point_selector, _("Edit point"));
3187
3188         snap_box.pack_start (edit_point_clock, false, false);
3189         snap_box.pack_start (snap_mode_selector, false, false);
3190         snap_box.pack_start (snap_type_selector, false, false);
3191         snap_box.pack_start (edit_point_selector, false, false);
3192
3193         /* Nudge */
3194
3195         HBox *nudge_box = manage (new HBox);
3196         nudge_box->set_spacing(1);
3197         nudge_box->set_border_width (2);
3198
3199         nudge_forward_button.signal_button_release_event().connect (mem_fun(*this, &Editor::nudge_forward_release), false);
3200         nudge_backward_button.signal_button_release_event().connect (mem_fun(*this, &Editor::nudge_backward_release), false);
3201
3202         nudge_box->pack_start (nudge_backward_button, false, false);
3203         nudge_box->pack_start (nudge_forward_button, false, false);
3204         nudge_box->pack_start (nudge_clock, false, false);
3205
3206
3207         /* Pack everything in... */
3208
3209         HBox* hbox = manage (new HBox);
3210         hbox->set_spacing(10);
3211
3212         tools_tearoff = manage (new TearOff (*hbox));
3213         tools_tearoff->set_name ("MouseModeBase");
3214
3215         if (Profile->get_sae()) {
3216                 tools_tearoff->set_can_be_torn_off (false);
3217         }
3218
3219         tools_tearoff->Detach.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
3220                                              &tools_tearoff->tearoff_window()));
3221         tools_tearoff->Attach.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
3222                                              &tools_tearoff->tearoff_window(), 0));
3223         tools_tearoff->Hidden.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
3224                                              &tools_tearoff->tearoff_window()));
3225         tools_tearoff->Visible.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
3226                                               &tools_tearoff->tearoff_window(), 0));
3227
3228         toolbar_hbox.set_spacing (10);
3229         toolbar_hbox.set_border_width (1);
3230
3231         toolbar_hbox.pack_start (*mouse_mode_tearoff, false, false);
3232         toolbar_hbox.pack_start (*tools_tearoff, false, false);
3233
3234
3235         hbox->pack_start (snap_box, false, false);
3236         // hbox->pack_start (zoom_box, false, false);
3237         hbox->pack_start (*nudge_box, false, false);
3238
3239         hbox->show_all ();
3240
3241         toolbar_base.set_name ("ToolBarBase");
3242         toolbar_base.add (toolbar_hbox);
3243
3244         toolbar_frame.set_shadow_type (SHADOW_OUT);
3245         toolbar_frame.set_name ("BaseFrame");
3246         toolbar_frame.add (toolbar_base);
3247 }
3248
3249 void
3250 Editor::midi_panic_button_pressed ()
3251 {
3252         if (session) {
3253                 session->midi_panic();
3254         }
3255 }
3256
3257 void
3258 Editor::setup_midi_toolbar ()
3259 {
3260         string pixmap_path;
3261
3262         /* Mode Buttons (tool selection) */
3263
3264         vector<ToggleButton *> midi_tool_buttons;
3265
3266         midi_tool_pencil_button.add (*(manage (new Image (::get_icon("midi_tool_pencil")))));
3267         midi_tool_pencil_button.set_relief(Gtk::RELIEF_NONE);
3268         midi_tool_buttons.push_back (&midi_tool_pencil_button);
3269         midi_tool_select_button.add (*(manage (new Image (::get_icon("midi_tool_select")))));
3270         midi_tool_select_button.set_relief(Gtk::RELIEF_NONE);
3271         midi_tool_buttons.push_back (&midi_tool_select_button);
3272         midi_tool_resize_button.add (*(manage (new Image (::get_icon("strip_width")))));
3273         midi_tool_resize_button.set_relief(Gtk::RELIEF_NONE);
3274         midi_tool_buttons.push_back (&midi_tool_resize_button);
3275         midi_tool_erase_button.add (*(manage (new Image (::get_icon("midi_tool_erase")))));
3276         midi_tool_erase_button.set_relief(Gtk::RELIEF_NONE);
3277         midi_tool_buttons.push_back (&midi_tool_erase_button);
3278
3279         midi_tool_pencil_button.set_active(true);
3280
3281         midi_tool_button_set = new GroupedButtons (midi_tool_buttons);
3282
3283         midi_tool_button_box.set_border_width (2);
3284         midi_tool_button_box.set_spacing(1);
3285         midi_tool_button_box.pack_start(midi_tool_pencil_button, true, true);
3286         midi_tool_button_box.pack_start(midi_tool_select_button, true, true);
3287         midi_tool_button_box.pack_start(midi_tool_resize_button, true, true);
3288         midi_tool_button_box.pack_start(midi_tool_erase_button , true, true);
3289         midi_tool_button_box.set_homogeneous(true);
3290
3291         midi_tool_pencil_button.set_name ("MouseModeButton");
3292         midi_tool_select_button.set_name ("MouseModeButton");
3293         midi_tool_resize_button.set_name ("MouseModeButton");
3294         midi_tool_erase_button .set_name ("MouseModeButton");
3295
3296         ARDOUR_UI::instance()->tooltips().set_tip (midi_tool_pencil_button, _("Add/Move/Stretch Notes"));
3297         ARDOUR_UI::instance()->tooltips().set_tip (midi_tool_select_button, _("Select/Move Notes"));
3298         ARDOUR_UI::instance()->tooltips().set_tip (midi_tool_resize_button, _("Resize Notes"));
3299         ARDOUR_UI::instance()->tooltips().set_tip (midi_tool_erase_button,  _("Erase Notes"));
3300
3301         midi_tool_pencil_button.unset_flags (CAN_FOCUS);
3302         midi_tool_select_button.unset_flags (CAN_FOCUS);
3303         midi_tool_resize_button.unset_flags (CAN_FOCUS);
3304         midi_tool_erase_button.unset_flags (CAN_FOCUS);
3305
3306         midi_tool_pencil_button.signal_toggled().connect (bind (mem_fun(*this,
3307                                 &Editor::midi_edit_mode_toggled), Editing::MidiEditPencil));
3308         midi_tool_select_button.signal_toggled().connect (bind (mem_fun(*this,
3309                                 &Editor::midi_edit_mode_toggled), Editing::MidiEditSelect));
3310         midi_tool_resize_button.signal_toggled().connect (bind (mem_fun(*this,
3311                                 &Editor::midi_edit_mode_toggled), Editing::MidiEditResize));
3312         midi_tool_erase_button.signal_toggled().connect (bind (mem_fun(*this,
3313                                 &Editor::midi_edit_mode_toggled), Editing::MidiEditErase));
3314
3315
3316         /* Midi sound notes */
3317         midi_sound_notes.add (*(manage (new Image (::get_icon("midi_sound_notes")))));
3318         midi_sound_notes.set_relief(Gtk::RELIEF_NONE);
3319         ARDOUR_UI::instance()->tooltips().set_tip (midi_sound_notes, _("Sound Notes"));
3320         midi_sound_notes.unset_flags (CAN_FOCUS);
3321
3322         /* Panic */
3323
3324         HBox* panic_box = manage (new HBox);
3325         midi_panic_button.set_name("MidiPanicButton");
3326         midi_panic_button.signal_pressed().connect (
3327                         mem_fun(this, &Editor::midi_panic_button_pressed));
3328         panic_box->pack_start (midi_sound_notes , true, true);
3329         panic_box->pack_start (midi_panic_button, true, true);
3330
3331         /* Pack everything in... */
3332
3333         midi_tools_tearoff = manage (new TearOff (midi_tool_button_box));
3334         midi_tools_tearoff->set_name ("MouseModeBase");
3335
3336         /*
3337         midi_tools_tearoff->Detach.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&midi_toolbar_hbox),
3338                                              &midi_tools_tearoff->tearoff_window()));
3339         midi_tools_tearoff->Attach.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&midi_toolbar_hbox),
3340                                              &midi_tools_tearoff->tearoff_window(), 0));
3341         midi_tools_tearoff->Hidden.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&midi_toolbar_hbox),
3342                                              &midi_tools_tearoff->tearoff_window()));
3343         midi_tools_tearoff->Visible.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&midi_toolbar_hbox),
3344                                               &midi_tools_tearoff->tearoff_window(), 0));
3345         */
3346
3347         midi_toolbar_hbox.set_spacing (10);
3348         midi_toolbar_hbox.set_border_width (1);
3349
3350         midi_toolbar_hbox.pack_start (*midi_tools_tearoff, false, true);
3351
3352         midi_toolbar_hbox.pack_start(*panic_box, false, true, 4);
3353
3354         midi_tool_button_box.show_all ();
3355         midi_toolbar_hbox.show_all();
3356         midi_tools_tearoff->show_all();
3357
3358         midi_toolbar_base.set_name ("ToolBarBase");
3359         midi_toolbar_base.add (midi_toolbar_hbox);
3360
3361         midi_toolbar_frame.set_shadow_type (SHADOW_OUT);
3362         midi_toolbar_frame.set_name ("BaseFrame");
3363         midi_toolbar_frame.add (midi_toolbar_base);
3364 }
3365
3366 int
3367 Editor::convert_drop_to_paths (vector<ustring>& paths,
3368                                const RefPtr<Gdk::DragContext>& context,
3369                                gint                x,
3370                                gint                y,
3371                                const SelectionData& data,
3372                                guint               info,
3373                                guint               time)
3374
3375 {
3376         if (session == 0) {
3377                 return -1;
3378         }
3379
3380         vector<ustring> uris = data.get_uris();
3381
3382         if (uris.empty()) {
3383
3384                 /* This is seriously fucked up. Nautilus doesn't say that its URI lists
3385                    are actually URI lists. So do it by hand.
3386                 */
3387
3388                 if (data.get_target() != "text/plain") {
3389                         return -1;
3390                 }
3391
3392                 /* Parse the "uri-list" format that Nautilus provides,
3393                    where each pathname is delimited by \r\n.
3394
3395                    THERE MAY BE NO NULL TERMINATING CHAR!!!
3396                 */
3397
3398                 ustring txt = data.get_text();
3399                 const char* p;
3400                 const char* q;
3401
3402                 p = (const char *) malloc (txt.length() + 1);
3403                 txt.copy ((char *) p, txt.length(), 0);
3404                 ((char*)p)[txt.length()] = '\0';
3405
3406                 while (p)
3407                 {
3408                         if (*p != '#')
3409                         {
3410                                 while (g_ascii_isspace (*p))
3411                                         p++;
3412
3413                                 q = p;
3414                                 while (*q && (*q != '\n') && (*q != '\r')) {
3415                                         q++;
3416                                 }
3417
3418                                 if (q > p)
3419                                 {
3420                                         q--;
3421                                         while (q > p && g_ascii_isspace (*q))
3422                                                 q--;
3423
3424                                         if (q > p)
3425                                         {
3426                                                 uris.push_back (ustring (p, q - p + 1));
3427                                         }
3428                                 }
3429                         }
3430                         p = strchr (p, '\n');
3431                         if (p)
3432                                 p++;
3433                 }
3434
3435                 free ((void*)p);
3436
3437                 if (uris.empty()) {
3438                         return -1;
3439                 }
3440         }
3441
3442         for (vector<ustring>::iterator i = uris.begin(); i != uris.end(); ++i) {
3443
3444                 if ((*i).substr (0,7) == "file://") {
3445
3446                         ustring p = *i;
3447                         PBD::url_decode (p);
3448
3449                         // scan forward past three slashes
3450
3451                         ustring::size_type slashcnt = 0;
3452                         ustring::size_type n = 0;
3453                         ustring::iterator x = p.begin();
3454
3455                         while (slashcnt < 3 && x != p.end()) {
3456                                 if ((*x) == '/') {
3457                                         slashcnt++;
3458                                 } else if (slashcnt == 3) {
3459                                         break;
3460                                 }
3461                                 ++n;
3462                                 ++x;
3463                         }
3464
3465                         if (slashcnt != 3 || x == p.end()) {
3466                                 error << _("malformed URL passed to drag-n-drop code") << endmsg;
3467                                 continue;
3468                         }
3469
3470                         paths.push_back (p.substr (n - 1));
3471                 }
3472         }
3473
3474         return 0;
3475 }
3476
3477 void
3478 Editor::new_tempo_section ()
3479
3480 {
3481 }
3482
3483 void
3484 Editor::map_transport_state ()
3485 {
3486         ENSURE_GUI_THREAD (mem_fun(*this, &Editor::map_transport_state));
3487
3488         if (session->transport_stopped()) {
3489                 have_pending_keyboard_selection = false;
3490         }
3491
3492         update_loop_range_view (true);
3493 }
3494
3495 /* UNDO/REDO */
3496
3497 Editor::State::State (PublicEditor const * e)
3498 {
3499         selection = new Selection (e);
3500 }
3501
3502 Editor::State::~State ()
3503 {
3504         delete selection;
3505 }
3506
3507 void
3508 Editor::store_state (State& state) const
3509 {
3510         *state.selection = *selection;
3511 }
3512
3513 void
3514 Editor::restore_state (State *state)
3515 {
3516         if (*selection == *state->selection) {
3517                 return;
3518         }
3519
3520         *selection = *state->selection;
3521         time_selection_changed ();
3522         region_selection_changed ();
3523
3524         /* XXX other selection change handlers? */
3525 }
3526
3527 void
3528 Editor::begin_reversible_command (string name)
3529 {
3530         if (session) {
3531                 before = &get_state();
3532                 session->begin_reversible_command (name);
3533         }
3534 }
3535
3536 void
3537 Editor::commit_reversible_command ()
3538 {
3539         if (session) {
3540                 session->commit_reversible_command (new MementoCommand<Editor>(*this, before, &get_state()));
3541         }
3542 }
3543
3544 void
3545 Editor::set_edit_group_solo (Route& route, bool yn)
3546 {
3547         RouteGroup *edit_group;
3548
3549         if ((edit_group = route.edit_group()) != 0) {
3550                 edit_group->apply (&Route::set_solo, yn, this);
3551         } else {
3552                 route.set_solo (yn, this);
3553         }
3554 }
3555
3556 void
3557 Editor::set_edit_group_mute (Route& route, bool yn)
3558 {
3559         RouteGroup *edit_group = 0;
3560
3561         if ((edit_group == route.edit_group()) != 0) {
3562                 edit_group->apply (&Route::set_mute, yn, this);
3563         } else {
3564                 route.set_mute (yn, this);
3565         }
3566 }
3567
3568 void
3569 Editor::history_changed ()
3570 {
3571         string label;
3572
3573         if (undo_action && session) {
3574                 if (session->undo_depth() == 0) {
3575                         label = _("Undo");
3576                 } else {
3577                         label = string_compose(_("Undo (%1)"), session->next_undo());
3578                 }
3579                 undo_action->property_label() = label;
3580         }
3581
3582         if (redo_action && session) {
3583                 if (session->redo_depth() == 0) {
3584                         label = _("Redo");
3585                 } else {
3586                         label = string_compose(_("Redo (%1)"), session->next_redo());
3587                 }
3588                 redo_action->property_label() = label;
3589         }
3590 }
3591
3592 void
3593 Editor::duplicate_dialog (bool with_dialog)
3594 {
3595         float times = 1.0f;
3596
3597         if (mouse_mode == MouseRange) {
3598                 if (selection->time.length() == 0) {
3599                         return;
3600                 }
3601         }
3602
3603         RegionSelection rs;
3604         get_regions_for_action (rs);
3605
3606         if (mouse_mode != MouseRange) {
3607
3608                 if (rs.empty()) {
3609                         return;
3610                 }
3611         }
3612
3613         if (with_dialog) {
3614
3615                 ArdourDialog win ("Duplication Dialog");
3616                 Label  label (_("Number of Duplications:"));
3617                 Adjustment adjustment (1.0, 1.0, 1000000.0, 1.0, 5.0);
3618                 SpinButton spinner (adjustment, 0.0, 1);
3619                 HBox hbox;
3620
3621                 win.get_vbox()->set_spacing (12);
3622                 win.get_vbox()->pack_start (hbox);
3623                 hbox.set_border_width (6);
3624                 hbox.pack_start (label, PACK_EXPAND_PADDING, 12);
3625
3626                 /* dialogs have ::add_action_widget() but that puts the spinner in the wrong
3627                    place, visually. so do this by hand.
3628                 */
3629
3630                 hbox.pack_start (spinner, PACK_EXPAND_PADDING, 12);
3631                 spinner.signal_activate().connect (sigc::bind (mem_fun (win, &ArdourDialog::response), RESPONSE_ACCEPT));
3632                 spinner.grab_focus();
3633
3634                 hbox.show ();
3635                 label.show ();
3636                 spinner.show ();
3637
3638                 win.add_button (Stock::CANCEL, RESPONSE_CANCEL);
3639                 win.add_button (_("Duplicate"), RESPONSE_ACCEPT);
3640                 win.set_default_response (RESPONSE_ACCEPT);
3641
3642                 win.set_position (WIN_POS_MOUSE);
3643
3644                 spinner.grab_focus ();
3645
3646                 switch (win.run ()) {
3647                 case RESPONSE_ACCEPT:
3648                         break;
3649                 default:
3650                         return;
3651                 }
3652
3653                 times = adjustment.get_value();
3654         }
3655
3656         if (mouse_mode == MouseRange) {
3657                 duplicate_selection (times);
3658         } else {
3659                 duplicate_some_regions (rs, times);
3660         }
3661 }
3662
3663 void
3664 Editor::show_verbose_canvas_cursor ()
3665 {
3666         verbose_canvas_cursor->raise_to_top();
3667         verbose_canvas_cursor->show();
3668         verbose_cursor_visible = true;
3669 }
3670
3671 void
3672 Editor::hide_verbose_canvas_cursor ()
3673 {
3674         verbose_canvas_cursor->hide();
3675         verbose_cursor_visible = false;
3676 }
3677
3678 double
3679 Editor::clamp_verbose_cursor_x (double x)
3680 {
3681         if (x < 0) {
3682                 x = 0;
3683         } else {
3684                 x = min (canvas_width - 200.0, x);
3685         }
3686         return x;
3687 }
3688
3689 double
3690 Editor::clamp_verbose_cursor_y (double y)
3691 {
3692         if (y < canvas_timebars_vsize) {
3693                 y = canvas_timebars_vsize;
3694         } else {
3695                 y = min (canvas_height - 50, y);
3696         }
3697         return y;
3698 }
3699
3700 void
3701 Editor::set_verbose_canvas_cursor (const string & txt, double x, double y)
3702 {
3703         verbose_canvas_cursor->property_text() = txt.c_str();
3704         /* don't get too close to the edge */
3705         verbose_canvas_cursor->property_x() = clamp_verbose_cursor_x (x);
3706         verbose_canvas_cursor->property_y() = clamp_verbose_cursor_y (y);
3707 }
3708
3709 void
3710 Editor::set_verbose_canvas_cursor_text (const string & txt)
3711 {
3712         verbose_canvas_cursor->property_text() = txt.c_str();
3713 }
3714
3715 void
3716 Editor::set_edit_mode (EditMode m)
3717 {
3718         Config->set_edit_mode (m);
3719 }
3720
3721 void
3722 Editor::cycle_edit_mode ()
3723 {
3724         switch (Config->get_edit_mode()) {
3725         case Slide:
3726                 if (Profile->get_sae()) {
3727                         Config->set_edit_mode (Lock);
3728                 } else {
3729                         Config->set_edit_mode (Splice);
3730                 }
3731                 break;
3732         case Splice:
3733                 Config->set_edit_mode (Lock);
3734                 break;
3735         case Lock:
3736                 Config->set_edit_mode (Slide);
3737                 break;
3738         }
3739 }
3740
3741 void
3742 Editor::edit_mode_selection_done ()
3743 {
3744         if (session == 0) {
3745                 return;
3746         }
3747
3748         string choice = edit_mode_selector.get_active_text();
3749         EditMode mode = Slide;
3750
3751         if (choice == _("Splice Edit")) {
3752                 mode = Splice;
3753         } else if (choice == _("Slide Edit")) {
3754                 mode = Slide;
3755         } else if (choice == _("Lock Edit")) {
3756                 mode = Lock;
3757         }
3758
3759         Config->set_edit_mode (mode);
3760 }
3761
3762 void
3763 Editor::snap_type_selection_done ()
3764 {
3765         string choice = snap_type_selector.get_active_text();
3766         SnapType snaptype = SnapToBeat;
3767
3768         if (choice == _("Beats/3")) {
3769                 snaptype = SnapToAThirdBeat;
3770         } else if (choice == _("Beats/4")) {
3771                 snaptype = SnapToAQuarterBeat;
3772         } else if (choice == _("Beats/8")) {
3773                 snaptype = SnapToAEighthBeat;
3774         } else if (choice == _("Beats/16")) {
3775                 snaptype = SnapToASixteenthBeat;
3776         } else if (choice == _("Beats/32")) {
3777                 snaptype = SnapToAThirtysecondBeat;
3778         } else if (choice == _("Beats")) {
3779                 snaptype = SnapToBeat;
3780         } else if (choice == _("Bars")) {
3781                 snaptype = SnapToBar;
3782         } else if (choice == _("Marks")) {
3783                 snaptype = SnapToMark;
3784         } else if (choice == _("Region starts")) {
3785                 snaptype = SnapToRegionStart;
3786         } else if (choice == _("Region ends")) {
3787                 snaptype = SnapToRegionEnd;
3788         } else if (choice == _("Region bounds")) {
3789                 snaptype = SnapToRegionBoundary;
3790         } else if (choice == _("Region syncs")) {
3791                 snaptype = SnapToRegionSync;
3792         } else if (choice == _("CD Frames")) {
3793                 snaptype = SnapToCDFrame;
3794         } else if (choice == _("SMPTE Frames")) {
3795                 snaptype = SnapToSMPTEFrame;
3796         } else if (choice == _("SMPTE Seconds")) {
3797                 snaptype = SnapToSMPTESeconds;
3798         } else if (choice == _("SMPTE Minutes")) {
3799                 snaptype = SnapToSMPTEMinutes;
3800         } else if (choice == _("Seconds")) {
3801                 snaptype = SnapToSeconds;
3802         } else if (choice == _("Minutes")) {
3803                 snaptype = SnapToMinutes;
3804         }
3805
3806         RefPtr<RadioAction> ract = snap_type_action (snaptype);
3807         if (ract) {
3808                 ract->set_active ();
3809         }
3810 }
3811
3812 void
3813 Editor::snap_mode_selection_done ()
3814 {
3815         string choice = snap_mode_selector.get_active_text();
3816         SnapMode mode = SnapNormal;
3817
3818         if (choice == _("No Grid")) {
3819                 mode = SnapOff;
3820         } else if (choice == _("Grid")) {
3821                 mode = SnapNormal;
3822         } else if (choice == _("Magnetic")) {
3823                 mode = SnapMagnetic;
3824         }
3825
3826         RefPtr<RadioAction> ract = snap_mode_action (mode);
3827
3828         if (ract) {
3829                 ract->set_active (true);
3830         }
3831 }
3832
3833 void
3834 Editor::cycle_edit_point (bool with_marker)
3835 {
3836         switch (_edit_point) {
3837         case EditAtMouse:
3838                 set_edit_point_preference (EditAtPlayhead);
3839                 break;
3840         case EditAtPlayhead:
3841                 if (with_marker) {
3842                         set_edit_point_preference (EditAtSelectedMarker);
3843                 } else {
3844                         set_edit_point_preference (EditAtMouse);
3845                 }
3846                 break;
3847         case EditAtSelectedMarker:
3848                 set_edit_point_preference (EditAtMouse);
3849                 break;
3850         }
3851 }
3852
3853 void
3854 Editor::edit_point_selection_done ()
3855 {
3856         string choice = edit_point_selector.get_active_text();
3857         EditPoint ep = EditAtSelectedMarker;
3858
3859         if (choice == _("Marker")) {
3860                 set_edit_point_preference (EditAtSelectedMarker);
3861         } else if (choice == _("Playhead")) {
3862                 set_edit_point_preference (EditAtPlayhead);
3863         } else {
3864                 set_edit_point_preference (EditAtMouse);
3865         }
3866
3867         RefPtr<RadioAction> ract = edit_point_action (ep);
3868
3869         if (ract) {
3870                 ract->set_active (true);
3871         }
3872 }
3873
3874 void
3875 Editor::zoom_focus_selection_done ()
3876 {
3877         string choice = zoom_focus_selector.get_active_text();
3878         ZoomFocus focus_type = ZoomFocusLeft;
3879
3880         if (choice == _("Left")) {
3881                 focus_type = ZoomFocusLeft;
3882         } else if (choice == _("Right")) {
3883                 focus_type = ZoomFocusRight;
3884         } else if (choice == _("Center")) {
3885                 focus_type = ZoomFocusCenter;
3886         } else if (choice == _("Play")) {
3887                 focus_type = ZoomFocusPlayhead;
3888         } else if (choice == _("Edit")) {
3889                 focus_type = ZoomFocusEdit;
3890         } else if (choice == _("Active Mark")) {
3891                 focus_type = ZoomFocusEdit;
3892         } else if (choice == _("Active Mark")) {
3893                 focus_type = ZoomFocusEdit;
3894         } else {
3895                 focus_type = ZoomFocusMouse;
3896         }
3897
3898         RefPtr<RadioAction> ract = zoom_focus_action (focus_type);
3899
3900         if (ract) {
3901                 ract->set_active ();
3902         }
3903 }
3904
3905 gint
3906 Editor::edit_controls_button_release (GdkEventButton* ev)
3907 {
3908         if (Keyboard::is_context_menu_event (ev)) {
3909                 ARDOUR_UI::instance()->add_route (this);
3910         }
3911         return TRUE;
3912 }
3913
3914 gint
3915 Editor::mouse_select_button_release (GdkEventButton* ev)
3916 {
3917         /* this handles just right-clicks */
3918
3919         if (ev->button != 3) {
3920                 return false;
3921         }
3922
3923         return true;
3924 }
3925
3926 Editor::TrackViewList *
3927 Editor::get_valid_views (TimeAxisView* track, RouteGroup* group)
3928 {
3929         TrackViewList *v;
3930         TrackViewList::iterator i;
3931
3932         v = new TrackViewList;
3933
3934         if (track == 0 && group == 0) {
3935
3936                 /* all views */
3937
3938                 for (i = track_views.begin(); i != track_views.end (); ++i) {
3939                         v->push_back (*i);
3940                 }
3941
3942         } else if ((track != 0 && group == 0) || (track != 0 && group != 0 && !group->is_active())) {
3943
3944                 /* just the view for this track
3945                  */
3946
3947                 v->push_back (track);
3948
3949         } else {
3950
3951                 /* views for all tracks in the edit group */
3952
3953                 for (i  = track_views.begin(); i != track_views.end (); ++i) {
3954
3955                         if (group == 0 || (*i)->edit_group() == group) {
3956                                 v->push_back (*i);
3957                         }
3958                 }
3959         }
3960
3961         return v;
3962 }
3963
3964 void
3965 Editor::set_zoom_focus (ZoomFocus f)
3966 {
3967         string str = zoom_focus_strings[(int)f];
3968
3969         if (str != zoom_focus_selector.get_active_text()) {
3970                 zoom_focus_selector.set_active_text (str);
3971         }
3972
3973         if (zoom_focus != f) {
3974                 zoom_focus = f;
3975
3976                 ZoomFocusChanged (); /* EMIT_SIGNAL */
3977
3978                 instant_save ();
3979         }
3980 }
3981
3982 void
3983 Editor::ensure_float (Window& win)
3984 {
3985         win.set_transient_for (*this);
3986 }
3987
3988 void
3989 Editor::pane_allocation_handler (Allocation &alloc, Paned* which)
3990 {
3991         /* recover or initialize pane positions. do this here rather than earlier because
3992            we don't want the positions to change the child allocations, which they seem to do.
3993          */
3994
3995         int pos;
3996         XMLProperty* prop;
3997         char buf[32];
3998         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
3999         int width, height;
4000         static int32_t done;
4001         XMLNode* geometry;
4002
4003         width = default_width;
4004         height = default_height;
4005
4006         if ((geometry = find_named_node (*node, "geometry")) != 0) {
4007
4008                 if ((prop = geometry->property ("x_size")) == 0) {
4009                         prop = geometry->property ("x-size");
4010                 }
4011                 if (prop) {
4012                         width = atoi (prop->value());
4013                 }
4014                 if ((prop = geometry->property ("y_size")) == 0) {
4015                         prop = geometry->property ("y-size");
4016                 }
4017                 if (prop) {
4018                         height = atoi (prop->value());
4019                 }
4020         }
4021
4022         if (which == static_cast<Paned*> (&edit_pane)) {
4023
4024                 if (done) {
4025                         return;
4026                 }
4027
4028                 if (!geometry || (prop = geometry->property ("edit-pane-pos")) == 0) {
4029                         /* initial allocation is 90% to canvas, 10% to notebook */
4030                         pos = (int) floor (alloc.get_width() * 0.90f);
4031                         snprintf (buf, sizeof(buf), "%d", pos);
4032                 } else {
4033                         pos = atoi (prop->value());
4034                 }
4035
4036                 if ((done = GTK_WIDGET(edit_pane.gobj())->allocation.width > pos)) {
4037                         edit_pane.set_position (pos);
4038                         pre_maximal_pane_position = pos;
4039                 }
4040         }
4041 }
4042
4043 void
4044 Editor::detach_tearoff (Box* b, Window* w)
4045 {
4046         if (tools_tearoff->torn_off() &&
4047             mouse_mode_tearoff->torn_off()) {
4048                 top_hbox.remove (toolbar_frame);
4049         }
4050 }
4051
4052 void
4053 Editor::reattach_tearoff (Box* b, Window* w, int32_t n)
4054 {
4055         if (toolbar_frame.get_parent() == 0) {
4056                 top_hbox.pack_end (toolbar_frame);
4057         }
4058 }
4059
4060 void
4061 Editor::set_show_measures (bool yn)
4062 {
4063         if (_show_measures != yn) {
4064                 hide_measures ();
4065
4066                 if ((_show_measures = yn) == true) {
4067                         if (tempo_lines)
4068                                 tempo_lines->show();
4069                         draw_measures ();
4070                 }
4071                 instant_save ();
4072         }
4073 }
4074
4075 void
4076 Editor::toggle_follow_playhead ()
4077 {
4078         RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
4079         if (act) {
4080                 RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
4081                 set_follow_playhead (tact->get_active());
4082         }
4083 }
4084
4085 void
4086 Editor::set_follow_playhead (bool yn)
4087 {
4088         if (_follow_playhead != yn) {
4089                 if ((_follow_playhead = yn) == true) {
4090                         /* catch up */
4091                         update_current_screen ();
4092                 }
4093                 instant_save ();
4094         }
4095 }
4096
4097 void
4098 Editor::toggle_xfade_active (boost::weak_ptr<Crossfade> wxfade)
4099 {
4100         boost::shared_ptr<Crossfade> xfade (wxfade.lock());
4101         if (xfade) {
4102                 xfade->set_active (!xfade->active());
4103         }
4104 }
4105
4106 void
4107 Editor::toggle_xfade_length (boost::weak_ptr<Crossfade> wxfade)
4108 {
4109         boost::shared_ptr<Crossfade> xfade (wxfade.lock());
4110         if (xfade) {
4111                 xfade->set_follow_overlap (!xfade->following_overlap());
4112         }
4113 }
4114
4115 void
4116 Editor::edit_xfade (boost::weak_ptr<Crossfade> wxfade)
4117 {
4118         boost::shared_ptr<Crossfade> xfade (wxfade.lock());
4119
4120         if (!xfade) {
4121                 return;
4122         }
4123
4124         CrossfadeEditor cew (*session, xfade, xfade->fade_in().get_min_y(), 1.0);
4125
4126         ensure_float (cew);
4127
4128         switch (cew.run ()) {
4129         case RESPONSE_ACCEPT:
4130                 break;
4131         default:
4132                 return;
4133         }
4134
4135         cew.apply ();
4136         xfade->StateChanged (Change (~0));
4137 }
4138
4139 PlaylistSelector&
4140 Editor::playlist_selector () const
4141 {
4142         return *_playlist_selector;
4143 }
4144
4145 nframes64_t
4146 Editor::get_nudge_distance (nframes64_t pos, nframes64_t& next)
4147 {
4148         nframes64_t ret;
4149
4150         ret = nudge_clock.current_duration (pos);
4151         next = ret + 1; /* XXXX fix me */
4152
4153         return ret;
4154 }
4155
4156 void
4157 Editor::end_location_changed (Location* location)
4158 {
4159         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::end_location_changed), location));
4160         //reset_scrolling_region ();
4161         nframes64_t session_span = location->start() + (nframes64_t) floorf (current_page_frames() * 0.10f);
4162         horizontal_adjustment.set_upper (session_span / frames_per_unit);
4163 }
4164
4165 int
4166 Editor::playlist_deletion_dialog (boost::shared_ptr<Playlist> pl)
4167 {
4168         ArdourDialog dialog ("playlist deletion dialog");
4169         Label  label (string_compose (_("Playlist %1 is currently unused.\n"
4170                                         "If left alone, no audio files used by it will be cleaned.\n"
4171                                         "If deleted, audio files used by it alone by will cleaned."),
4172                                       pl->name()));
4173
4174         dialog.set_position (WIN_POS_CENTER);
4175         dialog.get_vbox()->pack_start (label);
4176
4177         label.show ();
4178
4179         dialog.add_button (_("Delete playlist"), RESPONSE_ACCEPT);
4180         dialog.add_button (_("Keep playlist"), RESPONSE_REJECT);
4181         dialog.add_button (_("Cancel"), RESPONSE_CANCEL);
4182
4183         switch (dialog.run ()) {
4184         case RESPONSE_ACCEPT:
4185                 /* delete the playlist */
4186                 return 0;
4187                 break;
4188
4189         case RESPONSE_REJECT:
4190                 /* keep the playlist */
4191                 return 1;
4192                 break;
4193
4194         default:
4195                 break;
4196         }
4197
4198         return -1;
4199 }
4200
4201 bool
4202 Editor::audio_region_selection_covers (nframes64_t where)
4203 {
4204         for (RegionSelection::iterator a = selection->regions.begin(); a != selection->regions.end(); ++a) {
4205                 if ((*a)->region()->covers (where)) {
4206                         return true;
4207                 }
4208         }
4209
4210         return false;
4211 }
4212
4213 void
4214 Editor::prepare_for_cleanup ()
4215 {
4216         cut_buffer->clear_regions ();
4217         cut_buffer->clear_playlists ();
4218
4219         selection->clear_regions ();
4220         selection->clear_playlists ();
4221
4222         no_region_list_redisplay = true;
4223 }
4224
4225 void
4226 Editor::finish_cleanup ()
4227 {
4228         no_region_list_redisplay = false;
4229         redisplay_regions ();
4230 }
4231
4232 Location*
4233 Editor::transport_loop_location()
4234 {
4235         if (session) {
4236                 return session->locations()->auto_loop_location();
4237         } else {
4238                 return 0;
4239         }
4240 }
4241
4242 Location*
4243 Editor::transport_punch_location()
4244 {
4245         if (session) {
4246                 return session->locations()->auto_punch_location();
4247         } else {
4248                 return 0;
4249         }
4250 }
4251
4252 bool
4253 Editor::control_layout_scroll (GdkEventScroll* ev)
4254 {
4255         switch (ev->direction) {
4256         case GDK_SCROLL_UP:
4257                 scroll_tracks_up_line ();
4258                 return true;
4259                 break;
4260
4261         case GDK_SCROLL_DOWN:
4262                 scroll_tracks_down_line ();
4263                 return true;
4264
4265         default:
4266                 /* no left/right handling yet */
4267                 break;
4268         }
4269
4270         return false;
4271 }
4272
4273
4274 /** A new snapshot has been selected.
4275  */
4276 void
4277 Editor::snapshot_display_selection_changed ()
4278 {
4279         if (snapshot_display.get_selection()->count_selected_rows() > 0) {
4280
4281                 TreeModel::iterator i = snapshot_display.get_selection()->get_selected();
4282
4283                 Glib::ustring snap_name = (*i)[snapshot_display_columns.real_name];
4284
4285                 if (snap_name.length() == 0) {
4286                         return;
4287                 }
4288
4289                 if (session->snap_name() == snap_name) {
4290                         return;
4291                 }
4292
4293                 ARDOUR_UI::instance()->load_session(session->path(), string (snap_name));
4294         }
4295 }
4296
4297 bool
4298 Editor::snapshot_display_button_press (GdkEventButton* ev)
4299 {
4300         if (ev->button == 3) {
4301                 /* Right-click on the snapshot list. Work out which snapshot it
4302                    was over. */
4303                 Gtk::TreeModel::Path path;
4304                 Gtk::TreeViewColumn* col;
4305                 int cx;
4306                 int cy;
4307                 snapshot_display.get_path_at_pos ((int) ev->x, (int) ev->y, path, col, cx, cy);
4308                 Gtk::TreeModel::iterator iter = snapshot_display_model->get_iter (path);
4309                 if (iter) {
4310                         Gtk::TreeModel::Row row = *iter;
4311                         popup_snapshot_context_menu (ev->button, ev->time, row[snapshot_display_columns.real_name]);
4312                 }
4313                 return true;
4314         }
4315
4316         return false;
4317 }
4318
4319
4320 /** Pop up the snapshot display context menu.
4321  * @param button Button used to open the menu.
4322  * @param time Menu open time.
4323  * @snapshot_name Name of the snapshot that the menu click was over.
4324  */
4325
4326 void
4327 Editor::popup_snapshot_context_menu (int button, int32_t time, Glib::ustring snapshot_name)
4328 {
4329         using namespace Menu_Helpers;
4330
4331         MenuList& items (snapshot_context_menu.items());
4332         items.clear ();
4333
4334         const bool modification_allowed = (session->snap_name() != snapshot_name && session->name() != snapshot_name);
4335
4336         add_item_with_sensitivity (items, MenuElem (_("Remove"), bind (mem_fun (*this, &Editor::remove_snapshot), snapshot_name)), modification_allowed);
4337
4338         add_item_with_sensitivity (items, MenuElem (_("Rename"), bind (mem_fun (*this, &Editor::rename_snapshot), snapshot_name)), modification_allowed);
4339
4340         snapshot_context_menu.popup (button, time);
4341 }
4342
4343 void
4344 Editor::rename_snapshot (Glib::ustring old_name)
4345 {
4346         ArdourPrompter prompter(true);
4347
4348         string new_name;
4349
4350         prompter.set_name ("Prompter");
4351         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
4352         prompter.set_prompt (_("New name of snapshot"));
4353         prompter.set_initial_text (old_name);
4354
4355         if (prompter.run() == RESPONSE_ACCEPT) {
4356                 prompter.get_result (new_name);
4357                 if (new_name.length()) {
4358                         session->rename_state (old_name, new_name);
4359                         redisplay_snapshots ();
4360                 }
4361         }
4362 }
4363
4364
4365 void
4366 Editor::remove_snapshot (Glib::ustring name)
4367 {
4368         vector<string> choices;
4369
4370         std::string prompt  = string_compose (_("Do you really want to remove snapshot \"%1\" ?\n(cannot be undone)"), name);
4371
4372         choices.push_back (_("No, do nothing."));
4373         choices.push_back (_("Yes, remove it."));
4374
4375         Gtkmm2ext::Choice prompter (prompt, choices);
4376
4377         if (prompter.run () == 1) {
4378                 session->remove_state (name);
4379                 redisplay_snapshots ();
4380         }
4381 }
4382
4383 void
4384 Editor::redisplay_snapshots ()
4385 {
4386         if (session == 0) {
4387                 return;
4388         }
4389
4390         vector<sys::path> state_file_paths;
4391
4392         get_state_files_in_directory (session->session_directory().root_path(),
4393                         state_file_paths);
4394
4395         if (state_file_paths.empty()) return;
4396
4397         vector<string> state_file_names(get_file_names_no_extension(state_file_paths));
4398
4399         snapshot_display_model->clear ();
4400
4401         for (vector<string>::iterator i = state_file_names.begin();
4402                         i != state_file_names.end(); ++i)
4403         {
4404                 string statename = (*i);
4405                 TreeModel::Row row = *(snapshot_display_model->append());
4406
4407                 /* this lingers on in case we ever want to change the visible
4408                    name of the snapshot.
4409                 */
4410
4411                 string display_name;
4412                 display_name = statename;
4413
4414                 if (statename == session->snap_name()) {
4415                         snapshot_display.get_selection()->select(row);
4416                 }
4417
4418                 row[snapshot_display_columns.visible_name] = display_name;
4419                 row[snapshot_display_columns.real_name] = statename;
4420         }
4421 }
4422
4423 void
4424 Editor::session_state_saved (string snap_name)
4425 {
4426         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::session_state_saved), snap_name));
4427         redisplay_snapshots ();
4428 }
4429
4430 void
4431 Editor::maximise_editing_space ()
4432 {
4433         mouse_mode_tearoff->set_visible (false);
4434         tools_tearoff->set_visible (false);
4435
4436         pre_maximal_pane_position = edit_pane.get_position();
4437         pre_maximal_editor_width = this->get_width();
4438
4439         if(post_maximal_pane_position == 0) {
4440                 post_maximal_pane_position = edit_pane.get_width();
4441         }
4442
4443         fullscreen();
4444
4445         if(post_maximal_editor_width) {
4446                 edit_pane.set_position (post_maximal_pane_position -
4447                         abs(post_maximal_editor_width - pre_maximal_editor_width));
4448         } else {
4449                 edit_pane.set_position (post_maximal_pane_position);
4450         }
4451 }
4452
4453 void
4454 Editor::restore_editing_space ()
4455 {
4456         // user changed width of pane during fullscreen
4457
4458         if(post_maximal_pane_position != edit_pane.get_position()) {
4459                 post_maximal_pane_position = edit_pane.get_position();
4460         }
4461
4462         unfullscreen();
4463
4464         mouse_mode_tearoff->set_visible (true);
4465         tools_tearoff->set_visible (true);
4466         post_maximal_editor_width = this->get_width();
4467
4468         edit_pane.set_position (pre_maximal_pane_position + abs(this->get_width() - pre_maximal_editor_width));
4469 }
4470
4471 /**
4472  *  Make new playlists for a given track and also any others that belong
4473  *  to the same active edit group.
4474  *  @param v Track.
4475  */
4476
4477 void
4478 Editor::new_playlists (TimeAxisView* v)
4479 {
4480         begin_reversible_command (_("new playlists"));
4481         vector<boost::shared_ptr<ARDOUR::Playlist> > playlists;
4482         session->get_playlists(playlists);
4483         mapover_tracks ( bind(mem_fun (*this, &Editor::mapped_use_new_playlist), playlists), v );
4484         commit_reversible_command ();
4485 }
4486
4487 /**
4488  *  Use a copy of the current playlist for a given track and also any others that belong
4489  *  to the same active edit group.
4490  *  @param v Track.
4491  */
4492
4493 void
4494 Editor::copy_playlists (TimeAxisView* v)
4495 {
4496         begin_reversible_command (_("copy playlists"));
4497         vector<boost::shared_ptr<ARDOUR::Playlist> > playlists;
4498         session->get_playlists(playlists);
4499         mapover_tracks ( bind(mem_fun (*this, &Editor::mapped_use_copy_playlist), playlists), v );
4500         commit_reversible_command ();
4501 }
4502
4503 /**
4504  *  Clear the current playlist for a given track and also any others that belong
4505  *  to the same active edit group.
4506  *  @param v Track.
4507  */
4508
4509 void
4510 Editor::clear_playlists (TimeAxisView* v)
4511 {
4512         begin_reversible_command (_("clear playlists"));
4513         vector<boost::shared_ptr<ARDOUR::Playlist> > playlists;
4514         session->get_playlists(playlists);
4515         mapover_tracks ( mem_fun (*this, &Editor::mapped_clear_playlist), v );
4516         commit_reversible_command ();
4517 }
4518
4519 void
4520 Editor::mapped_use_new_playlist (RouteTimeAxisView& atv, uint32_t sz, vector<boost::shared_ptr<ARDOUR::Playlist> > const & playlists)
4521 {
4522         atv.use_new_playlist (sz > 1 ? false : true, playlists);
4523 }
4524
4525 void
4526 Editor::mapped_use_copy_playlist (RouteTimeAxisView& atv, uint32_t sz, vector<boost::shared_ptr<ARDOUR::Playlist> > const & playlists)
4527 {
4528         atv.use_copy_playlist (sz > 1 ? false : true, playlists);
4529 }
4530
4531 void
4532 Editor::mapped_clear_playlist (RouteTimeAxisView& atv, uint32_t sz)
4533 {
4534         atv.clear_playlist ();
4535 }
4536
4537 bool
4538 Editor::on_key_press_event (GdkEventKey* ev)
4539 {
4540         return key_press_focus_accelerator_handler (*this, ev);
4541 }
4542
4543 bool
4544 Editor::on_key_release_event (GdkEventKey* ev)
4545 {
4546         return Gtk::Window::on_key_release_event (ev);
4547         // return key_press_focus_accelerator_handler (*this, ev);
4548 }
4549
4550 void
4551 Editor::reset_x_origin (nframes64_t frame)
4552 {
4553         //cerr << "resetting x origin" << endl;
4554         queue_visual_change (frame);
4555 }
4556
4557 void
4558 Editor::reset_zoom (double fpu)
4559 {
4560         queue_visual_change (fpu);
4561 }
4562
4563 void
4564 Editor::reposition_and_zoom (nframes64_t frame, double fpu)
4565 {
4566         //cerr << "Editor::reposition_and_zoom () called ha v:l:u:ps:fpu = " << horizontal_adjustment.get_value() << ":" << horizontal_adjustment.get_lower() << ":" << horizontal_adjustment.get_upper() << ":" << horizontal_adjustment.get_page_size() << ":" << frames_per_unit << endl;//DEBUG
4567         reset_x_origin (frame);
4568         reset_zoom (fpu);
4569
4570         if (!no_save_visual) {
4571                 undo_visual_stack.push_back (current_visual_state(false));
4572         }
4573 }
4574
4575 Editor::VisualState*
4576 Editor::current_visual_state (bool with_tracks)
4577 {
4578         VisualState* vs = new VisualState;
4579         vs->y_position = vertical_adjustment.get_value();
4580         vs->frames_per_unit = frames_per_unit;
4581         vs->leftmost_frame = leftmost_frame;
4582         vs->zoom_focus = zoom_focus;
4583         vs->zoomed_to_region = zoomed_to_region;
4584
4585         if (with_tracks) {
4586                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
4587                         vs->track_states.push_back (TAVState ((*i), &(*i)->get_state()));
4588                 }
4589         }
4590
4591         return vs;
4592 }
4593
4594 void
4595 Editor::undo_visual_state ()
4596 {
4597         if (undo_visual_stack.empty()) {
4598                 return;
4599         }
4600
4601         VisualState* vs = undo_visual_stack.back();
4602         undo_visual_stack.pop_back();
4603         use_visual_state (*vs);
4604         redo_visual_stack.push_back (vs);
4605 }
4606
4607 void
4608 Editor::redo_visual_state ()
4609 {
4610         if (redo_visual_stack.empty()) {
4611                 return;
4612         }
4613
4614         VisualState* vs = redo_visual_stack.back();
4615         redo_visual_stack.pop_back();
4616         use_visual_state (*vs);
4617         undo_visual_stack.push_back (vs);
4618 }
4619
4620 void
4621 Editor::swap_visual_state ()
4622 {
4623         if (undo_visual_stack.empty()) {
4624                 redo_visual_state ();
4625         } else {
4626                 undo_visual_state ();
4627         }
4628 }
4629
4630 void
4631 Editor::use_visual_state (VisualState& vs)
4632 {
4633         no_save_visual = true;
4634         no_route_list_redisplay = true;
4635
4636         vertical_adjustment.set_value (vs.y_position);
4637
4638         set_zoom_focus (vs.zoom_focus);
4639         reposition_and_zoom (vs.leftmost_frame, vs.frames_per_unit);
4640         zoomed_to_region = vs.zoomed_to_region;
4641
4642         for (list<TAVState>::iterator i = vs.track_states.begin(); i != vs.track_states.end(); ++i) {
4643                 TrackViewList::iterator t;
4644
4645                 /* check if the track still exists - it could have been deleted */
4646
4647                 if ((t = find (track_views.begin(), track_views.end(), i->first)) != track_views.end()) {
4648                         (*t)->set_state (*(i->second));
4649                 }
4650         }
4651
4652
4653         if (!vs.track_states.empty()) {
4654                 update_route_visibility ();
4655         }
4656
4657         no_route_list_redisplay = false;
4658         redisplay_route_list ();
4659
4660         no_save_visual = false;
4661 }
4662
4663 void
4664 Editor::set_frames_per_unit (double fpu)
4665 {
4666         /* this is the core function that controls the zoom level of the canvas. it is called
4667            whenever one or more calls are made to reset_zoom(). it executes in an idle handler.
4668         */
4669
4670         if (fpu == frames_per_unit) {
4671                 return;
4672         }
4673
4674         if (fpu < 2.0) {
4675                 fpu = 2.0;
4676         }
4677
4678
4679         /* don't allow zooms that fit more than the maximum number
4680            of frames into an 800 pixel wide space.
4681         */
4682
4683         if (max_frames / fpu < 800.0) {
4684                 return;
4685         }
4686
4687         if (tempo_lines)
4688                 tempo_lines->tempo_map_changed();
4689
4690         frames_per_unit = fpu;
4691         post_zoom ();
4692 }
4693
4694 void
4695 Editor::post_zoom ()
4696 {
4697         nframes64_t cef = 0;
4698
4699         // convert fpu to frame count
4700
4701         nframes64_t frames = (nframes64_t) floor (frames_per_unit * canvas_width);
4702
4703         if (frames_per_unit != zoom_range_clock.current_duration()) {
4704                 zoom_range_clock.set (frames);
4705         }
4706
4707         if (mouse_mode == MouseRange && selection->time.start () != selection->time.end_frame ()) {
4708                 if (!selection->tracks.empty()) {
4709                         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
4710                                 (*i)->reshow_selection (selection->time);
4711                         }
4712                 } else {
4713                         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
4714                                 (*i)->reshow_selection (selection->time);
4715                         }
4716                 }
4717         }
4718
4719
4720         ZoomChanged (); /* EMIT_SIGNAL */
4721
4722         reset_hscrollbar_stepping ();
4723
4724         if (session) {
4725                 cef = session->current_end_frame() + (current_page_frames() / 10);// Add a little extra so we can see the end marker
4726         }
4727         horizontal_adjustment.set_upper (cef / frames_per_unit);
4728
4729         //reset_scrolling_region ();
4730
4731         if (playhead_cursor) {
4732                 playhead_cursor->set_position (playhead_cursor->current_frame);
4733         }
4734
4735         instant_save ();
4736 }
4737
4738 void
4739 Editor::queue_visual_change (nframes64_t where)
4740 {
4741         pending_visual_change.pending = VisualChange::Type (pending_visual_change.pending | VisualChange::TimeOrigin);
4742
4743         /* if we're moving beyond the end, make sure the upper limit of the horizontal adjustment
4744            can reach.
4745         */
4746
4747         if (where > session->current_end_frame()) {
4748                 horizontal_adjustment.set_upper ((where + current_page_frames()) / frames_per_unit);
4749         }
4750
4751         pending_visual_change.time_origin = where;
4752
4753         if (pending_visual_change.idle_handler_id < 0) {
4754                 pending_visual_change.idle_handler_id = g_idle_add (_idle_visual_changer, this);
4755         }
4756 }
4757
4758 void
4759 Editor::queue_visual_change (double fpu)
4760 {
4761         pending_visual_change.pending = VisualChange::Type (pending_visual_change.pending | VisualChange::ZoomLevel);
4762         pending_visual_change.frames_per_unit = fpu;
4763
4764         if (pending_visual_change.idle_handler_id < 0) {
4765                 pending_visual_change.idle_handler_id = g_idle_add ( _idle_visual_changer, this);
4766         }
4767
4768 }
4769
4770 int
4771 Editor::_idle_visual_changer (void* arg)
4772 {
4773         return static_cast<Editor*>(arg)->idle_visual_changer ();
4774 }
4775
4776 int
4777 Editor::idle_visual_changer ()
4778 {
4779         VisualChange::Type p = pending_visual_change.pending;
4780         pending_visual_change.pending = (VisualChange::Type) 0;
4781
4782 #ifdef FIX_THIS_FOR_V3
4783         double last_time_origin = horizontal_adjustment.get_value();
4784 #endif
4785
4786         if (p & VisualChange::ZoomLevel) {
4787                 set_frames_per_unit (pending_visual_change.frames_per_unit);
4788
4789                 compute_fixed_ruler_scale ();
4790                 compute_current_bbt_points(pending_visual_change.time_origin, pending_visual_change.time_origin + current_page_frames());
4791                 compute_bbt_ruler_scale (pending_visual_change.time_origin, pending_visual_change.time_origin + current_page_frames());
4792                 update_tempo_based_rulers ();
4793         }
4794         if (p & VisualChange::TimeOrigin) {
4795                 horizontal_adjustment.set_value (pending_visual_change.time_origin / frames_per_unit);
4796         }
4797
4798         nframes64_t csf=0, cef=0;
4799         nframes64_t current_time_origin = (nframes64_t) floor (horizontal_adjustment.get_value() * frames_per_unit);
4800
4801         if (session) {
4802                 csf = session->current_start_frame();
4803                 cef = session->current_end_frame();
4804         }
4805
4806         /* if we seek beyond the current end of the canvas, move the end */
4807
4808 #ifdef FIX_THIS_FOR_V3
4809         if (last_time_origin == horizontal_adjustment.get_value() ) {
4810                 /* changed signal not emitted */
4811                 update_fixed_rulers ();
4812                 redisplay_tempo (true);
4813         }
4814 #endif
4815
4816         if (current_time_origin != pending_visual_change.time_origin) {
4817                 cef += current_page_frames() / 10; // Add a little extra so we can see the end marker
4818                 horizontal_adjustment.set_upper (cef / frames_per_unit);
4819                 horizontal_adjustment.set_value (pending_visual_change.time_origin / frames_per_unit);
4820         } else {
4821                 update_fixed_rulers();
4822                 redisplay_tempo (true);
4823         }
4824         //cerr << "Editor::idle_visual_changer () called ha v:l:u:ps:fpu = " << horizontal_adjustment.get_value() << ":" << horizontal_adjustment.get_lower() << ":" << horizontal_adjustment.get_upper() << ":" << horizontal_adjustment.get_page_size() << ":" << frames_per_unit << endl;//DEBUG
4825         pending_visual_change.idle_handler_id = -1;
4826         return 0; /* this is always a one-shot call */
4827 }
4828
4829 struct EditorOrderTimeAxisSorter {
4830     bool operator() (const TimeAxisView* a, const TimeAxisView* b) const {
4831             return a->order () < b->order ();
4832     }
4833 };
4834
4835 void
4836 Editor::sort_track_selection (TrackSelection* sel)
4837 {
4838         EditorOrderTimeAxisSorter cmp;
4839
4840         if (sel) {
4841                 sel->sort (cmp);
4842         } else {
4843                 selection->tracks.sort (cmp);
4844         }
4845 }
4846
4847 nframes64_t
4848 Editor::get_preferred_edit_position (bool ignore_playhead)
4849 {
4850         bool ignored;
4851         nframes64_t where = 0;
4852         EditPoint ep = _edit_point;
4853
4854         if (entered_marker) {
4855                 return entered_marker->position();
4856         }
4857
4858         if (ignore_playhead && ep == EditAtPlayhead) {
4859                 ep = EditAtSelectedMarker;
4860         }
4861
4862         switch (ep) {
4863         case EditAtPlayhead:
4864                 where = session->audible_frame();
4865                 break;
4866
4867         case EditAtSelectedMarker:
4868                 if (!selection->markers.empty()) {
4869                         bool is_start;
4870                         Location* loc = find_location_from_marker (selection->markers.front(), is_start);
4871                         if (loc) {
4872                                 if (is_start) {
4873                                         where =  loc->start();
4874                                 } else {
4875                                         where = loc->end();
4876                                 }
4877                                 break;
4878                         }
4879                 }
4880                 /* fallthru */
4881
4882         default:
4883         case EditAtMouse:
4884                 if (!mouse_frame (where, ignored)) {
4885                         /* XXX not right but what can we do ? */
4886                         return 0;
4887                 }
4888                 snap_to (where);
4889                 break;
4890         }
4891
4892         return where;
4893 }
4894
4895 void
4896 Editor::set_loop_range (nframes64_t start, nframes64_t end, string cmd)
4897 {
4898         if (!session) return;
4899
4900         begin_reversible_command (cmd);
4901
4902         Location* tll;
4903
4904         if ((tll = transport_loop_location()) == 0) {
4905                 Location* loc = new Location (start, end, _("Loop"),  Location::IsAutoLoop);
4906                 XMLNode &before = session->locations()->get_state();
4907                 session->locations()->add (loc, true);
4908                 session->set_auto_loop_location (loc);
4909                 XMLNode &after = session->locations()->get_state();
4910                 session->add_command (new MementoCommand<Locations>(*(session->locations()), &before, &after));
4911         } else {
4912                 XMLNode &before = tll->get_state();
4913                 tll->set_hidden (false, this);
4914                 tll->set (start, end);
4915                 XMLNode &after = tll->get_state();
4916                 session->add_command (new MementoCommand<Location>(*tll, &before, &after));
4917         }
4918
4919         commit_reversible_command ();
4920 }
4921
4922 void
4923 Editor::set_punch_range (nframes64_t start, nframes64_t end, string cmd)
4924 {
4925         if (!session) return;
4926
4927         begin_reversible_command (cmd);
4928
4929         Location* tpl;
4930
4931         if ((tpl = transport_punch_location()) == 0) {
4932                 Location* loc = new Location (start, end, _("Loop"),  Location::IsAutoPunch);
4933                 XMLNode &before = session->locations()->get_state();
4934                 session->locations()->add (loc, true);
4935                 session->set_auto_loop_location (loc);
4936                 XMLNode &after = session->locations()->get_state();
4937                 session->add_command (new MementoCommand<Locations>(*(session->locations()), &before, &after));
4938         }
4939         else {
4940                 XMLNode &before = tpl->get_state();
4941                 tpl->set_hidden (false, this);
4942                 tpl->set (start, end);
4943                 XMLNode &after = tpl->get_state();
4944                 session->add_command (new MementoCommand<Location>(*tpl, &before, &after));
4945         }
4946
4947         commit_reversible_command ();
4948 }
4949
4950 void
4951 Editor::get_regions_at (RegionSelection& rs, nframes64_t where, const TrackSelection& ts) const
4952 {
4953         const TrackSelection* tracks;
4954
4955         if (ts.empty()) {
4956                 tracks = &track_views;
4957         } else {
4958                 tracks = &ts;
4959         }
4960
4961         for (TrackSelection::const_iterator t = tracks->begin(); t != tracks->end(); ++t) {
4962                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(*t);
4963                 if (rtv) {
4964                         boost::shared_ptr<Diskstream> ds;
4965                         boost::shared_ptr<Playlist> pl;
4966
4967                         if ((ds = rtv->get_diskstream()) && ((pl = ds->playlist()))) {
4968
4969                                 Playlist::RegionList* regions = pl->regions_at (
4970                                                 (nframes64_t) floor ( (double)where * ds->speed()));
4971
4972                                 for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
4973                                         RegionView* rv = rtv->view()->find_view (*i);
4974                                         if (rv) {
4975                                                 rs.add (rv);
4976                                         }
4977                                 }
4978
4979                                 delete regions;
4980                         }
4981                 }
4982         }
4983 }
4984
4985 void
4986 Editor::get_regions_after (RegionSelection& rs, nframes64_t where, const TrackSelection& ts) const
4987 {
4988         const TrackSelection* tracks;
4989
4990         if (ts.empty()) {
4991                 tracks = &track_views;
4992         } else {
4993                 tracks = &ts;
4994         }
4995
4996         for (TrackSelection::const_iterator t = tracks->begin(); t != tracks->end(); ++t) {
4997                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(*t);
4998                 if (rtv) {
4999                         boost::shared_ptr<Diskstream> ds;
5000                         boost::shared_ptr<Playlist> pl;
5001
5002                         if ((ds = rtv->get_diskstream()) && ((pl = ds->playlist()))) {
5003
5004                                 Playlist::RegionList* regions = pl->regions_touched (
5005                                                 (nframes64_t) floor ( (double)where * ds->speed()), max_frames);
5006
5007                                 for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
5008
5009                                         RegionView* rv = rtv->view()->find_view (*i);
5010
5011                                         if (rv) {
5012                                                 rs.push_back (rv);
5013                                         }
5014                                 }
5015
5016                                 delete regions;
5017                         }
5018                 }
5019         }
5020 }
5021
5022 void
5023 Editor::get_regions_for_action (RegionSelection& rs, bool allow_entered)
5024 {
5025         if (selection->regions.empty()) {
5026
5027                 if (selection->tracks.empty()) {
5028
5029                         /* no regions or tracks selected
5030                         */
5031
5032                         if (entered_regionview && mouse_mode == Editing::MouseObject) {
5033
5034                                 /*  entered regionview is valid and we're in object mode -
5035                                     just use entered regionview
5036                                 */
5037
5038                                 rs.add (entered_regionview);
5039                         }
5040
5041                         return;
5042
5043                 } else {
5044
5045                         /* no regions selected, so get all regions at the edit point across
5046                            all selected tracks.
5047                         */
5048
5049                         nframes64_t where = get_preferred_edit_position();
5050                         get_regions_at (rs, where, selection->tracks);
5051
5052                         /* if the entered regionview wasn't selected and neither was its track
5053                            then add it.
5054                         */
5055
5056                         if (entered_regionview != 0 &&
5057                             !selection->selected (entered_regionview) &&
5058                             !selection->selected (&entered_regionview->get_time_axis_view())) {
5059                                 rs.add (entered_regionview);
5060                         }
5061                 }
5062
5063         } else {
5064
5065                 /* just use the selected regions */
5066
5067                 rs = selection->regions;
5068
5069                 /* if the entered regionview wasn't selected and we allow this sort of thing,
5070                    then add it.
5071                 */
5072
5073                 if (allow_entered && entered_regionview && !selection->selected (entered_regionview)) {
5074                         rs.add (entered_regionview);
5075                 }
5076
5077         }
5078 }
5079
5080 void
5081 Editor::get_regions_corresponding_to (boost::shared_ptr<Region> region, vector<RegionView*>& regions)
5082 {
5083
5084         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5085
5086                 RouteTimeAxisView* tatv;
5087
5088                 if ((tatv = dynamic_cast<RouteTimeAxisView*> (*i)) != 0) {
5089
5090                         boost::shared_ptr<Playlist> pl;
5091                         vector<boost::shared_ptr<Region> > results;
5092                         RegionView* marv;
5093                         boost::shared_ptr<Diskstream> ds;
5094
5095                         if ((ds = tatv->get_diskstream()) == 0) {
5096                                 /* bus */
5097                                 continue;
5098                         }
5099
5100                         if ((pl = (ds->playlist())) != 0) {
5101                                 pl->get_region_list_equivalent_regions (region, results);
5102                         }
5103
5104                         for (vector<boost::shared_ptr<Region> >::iterator ir = results.begin(); ir != results.end(); ++ir) {
5105                                 if ((marv = tatv->view()->find_view (*ir)) != 0) {
5106                                         regions.push_back (marv);
5107                                 }
5108                         }
5109
5110                 }
5111         }
5112 }
5113
5114 void
5115 Editor::show_rhythm_ferret ()
5116 {
5117         if (rhythm_ferret == 0) {
5118                 rhythm_ferret = new RhythmFerret(*this);
5119         }
5120
5121         rhythm_ferret->set_session (session);
5122         rhythm_ferret->show ();
5123         rhythm_ferret->present ();
5124 }
5125
5126 void
5127 Editor::show_bundle_manager ()
5128 {
5129         if (_bundle_manager == 0) {
5130                 _bundle_manager = new BundleManager (*session);
5131         }
5132
5133         _bundle_manager->show ();
5134 }
5135
5136 void
5137 Editor::show_global_port_matrix (ARDOUR::DataType t)
5138 {
5139         if (_global_port_matrix[t] == 0) {
5140                 _global_port_matrix[t] = new GlobalPortMatrixWindow (*session, t);
5141         }
5142
5143         _global_port_matrix[t]->show ();
5144 }
5145
5146 void
5147 Editor::first_idle ()
5148 {
5149         MessageDialog* dialog = 0;
5150
5151         if (track_views.size() > 1) {
5152                 dialog = new MessageDialog (*this,
5153                                             _("Please wait while Ardour loads visual data"),
5154                                             true,
5155                                             Gtk::MESSAGE_INFO,
5156                                             Gtk::BUTTONS_NONE);
5157                 dialog->present ();
5158                 ARDOUR_UI::instance()->flush_pending ();
5159         }
5160
5161         for (TrackViewList::iterator t = track_views.begin(); t != track_views.end(); ++t) {
5162                 (*t)->first_idle();
5163         }
5164
5165         // first idle adds route children (automation tracks), so we need to redisplay here
5166         redisplay_route_list();
5167
5168         delete dialog;
5169
5170         _have_idled = true;
5171 }
5172
5173 void
5174 Editor::start_resize_line_ops ()
5175 {
5176 #if 0
5177         old_resize_line_y = -1;
5178         resize_line_y = -1;
5179         need_resize_line = true;
5180 #endif
5181 }
5182
5183 void
5184 Editor::end_resize_line_ops ()
5185 {
5186 #if 0
5187         need_resize_line = false;
5188
5189         if (old_resize_line_y >= 0) {
5190                 Gdk::Rectangle r (0, old_resize_line_y, (int) canvas_width, 3);
5191                 Glib::RefPtr<Gdk::Window> win = get_window();
5192                 cerr << "Final invalidation at " << old_resize_line_y << endl;
5193                 win->invalidate_rect (r, false);
5194         }
5195 #endif
5196 }
5197
5198 void
5199 Editor::queue_draw_resize_line (int at)
5200 {
5201 #if 0
5202         Glib::RefPtr<Gdk::Window> win = get_window();
5203
5204         resize_line_y = at;
5205
5206         if (win && canvas_width) {
5207
5208                 int controls_width = controls_layout.get_width();
5209                 int xroot, discard;
5210
5211                 controls_layout.get_window()->get_origin (xroot, discard);
5212
5213                 if (old_resize_line_y >= 0) {
5214
5215                         /* redraw where it used to be */
5216
5217
5218                         Gdk::Rectangle r (0, old_resize_line_y - 1, controls_width + (int) canvas_width, 3);
5219                         win->invalidate_rect (r, true);
5220                         cerr << "invalidate " << xroot << "," << old_resize_line_y - 1 << ' '
5221                              << controls_width + canvas_width << " x 3\n";
5222                 }
5223
5224                 /* draw where it is */
5225
5226                 Gdk::Rectangle r (0, at - 1, controls_width + (int) canvas_width, 3);
5227                 win->invalidate_rect (r, true);
5228         }
5229 #endif
5230 }
5231
5232 bool
5233 Editor::on_expose_event (GdkEventExpose* ev)
5234 {
5235         /* cerr << "+++ editor expose "
5236              << ev->area.x << ',' << ev->area.y
5237              << ' '
5238              << ev->area.width << " x " << ev->area.height
5239              << " need reize ? " << need_resize_line
5240              << endl;
5241         */
5242         bool ret = Window::on_expose_event (ev);
5243
5244 #if 0
5245         if (need_resize_line) {
5246
5247                 int xroot, yroot, discard;
5248                 int controls_width;
5249
5250                 /* Our root coordinates for drawing the line will be the left edge
5251                    of the track controls, and the upper left edge of our own window.
5252                 */
5253
5254                 get_window()->get_origin (discard, yroot);
5255                 controls_layout.get_window()->get_origin (xroot, discard);
5256                 controls_width = controls_layout.get_width();
5257
5258                 GdkRectangle lr;
5259                 GdkRectangle intersection;
5260
5261                 lr.x = 0;
5262                 lr.y = resize_line_y;
5263                 lr.width = controls_width + (int) canvas_width;
5264                 lr.height = 3;
5265
5266                 if (gdk_rectangle_intersect (&lr, &ev->area, &intersection)) {
5267
5268                         Glib::RefPtr<Gtk::Style> style (get_style());
5269                         Glib::RefPtr<Gdk::GC> black_gc (style->get_black_gc ());
5270                         Glib::RefPtr<Gdk::GC> gc = wrap (black_gc->gobj_copy(), false);
5271
5272                         /* draw on root window */
5273
5274                         GdkWindow* win = gdk_get_default_root_window();
5275
5276                         gc->set_subwindow (Gdk::INCLUDE_INFERIORS);
5277                         gc->set_line_attributes (3, Gdk::LINE_SOLID,
5278                                                  Gdk::CAP_NOT_LAST,
5279                                                  Gdk::JOIN_MITER);
5280
5281                         gdk_draw_line (win, gc->gobj(),
5282                                        0,
5283                                        resize_line_y,
5284                                        (int) canvas_width + controls_width,
5285                                        resize_line_y);
5286 #if 0
5287                         cerr << "drew line @ " << xroot << ", " << yroot + resize_line_y
5288                              << " to " << xroot + (int) canvas_width + controls_width
5289                              << ", " << yroot + resize_line_y
5290                              << endl;
5291 #endif
5292                         old_resize_line_y = resize_line_y;
5293                         cerr << "NEXT EXPOSE SHOULD BE AT " << old_resize_line_y << endl;
5294                 } else {
5295                         cerr << "no intersect with "
5296                              << lr.x << ',' << lr.y
5297                              << ' '
5298                              << lr.width << " x " << lr.height
5299                              << endl;
5300                 }
5301         }
5302
5303         //cerr << "--- editor expose\n";
5304 #endif
5305
5306         return ret;
5307 }
5308
5309 static gboolean
5310 _idle_resizer (gpointer arg)
5311 {
5312         return ((Editor*)arg)->idle_resize ();
5313 }
5314
5315 void
5316 Editor::add_to_idle_resize (TimeAxisView* view, uint32_t h)
5317 {
5318         if (resize_idle_id < 0) {
5319                 resize_idle_id = g_idle_add (_idle_resizer, this);
5320         }
5321
5322         resize_idle_target = h;
5323
5324         pending_resizes.push_back (view);
5325
5326         if (selection->selected (view) && !selection->tracks.empty()) {
5327                 pending_resizes.insert (pending_resizes.end(), selection->tracks.begin(), selection->tracks.end());
5328         }
5329 }
5330
5331 bool
5332 Editor::idle_resize ()
5333 {
5334         for (vector<TimeAxisView*>::iterator i = pending_resizes.begin(); i != pending_resizes.end(); ++i) {
5335                 (*i)->idle_resize (resize_idle_target);
5336         }
5337         pending_resizes.clear();
5338         flush_canvas ();
5339         resize_idle_id = -1;
5340         return false;
5341 }
5342
5343 void
5344 Editor::located ()
5345 {
5346         ENSURE_GUI_THREAD (mem_fun (*this, &Editor::located));
5347
5348         _pending_locate_request = false;
5349 }