gtk2_ardour/editor_actions.cc

   1 /*
   2     Copyright (C) 2000-2007 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #include <gio/gio.h>
  21 #include <gtk/gtkiconfactory.h>
  22
  23 #include "gtkmm2ext/tearoff.h"
  24
  25 #include "ardour/ardour.h"
  26 #include "ardour/profile.h"
  27 #include "ardour/session.h"
  28
  29 #include "actions.h"
  30 #include "ardour_ui.h"
  31 #include "editing.h"
  32 #include "editor.h"
  33 #include "gui_thread.h"
  34 #include "time_axis_view.h"
  35 #include "utils.h"
  36 #include "i18n.h"
  37 #include "audio_time_axis.h"
  38 #include "editor_group_tabs.h"
  39 #include "editor_routes.h"
  40 #include "editor_regions.h"
  41
  42 using namespace Gtk;
  43 using namespace Glib;
  44 using namespace std;
  45 using namespace ARDOUR;
  46 using namespace PBD;
  47 using namespace Editing;
  48
  49 /* Convenience functions to slightly reduce verbosity below */
  50
  51 static RefPtr<Action>
  52 reg_sens (RefPtr<ActionGroup> group, char const * name, char const * label, sigc::slot<void> slot)
  53 {
  54         RefPtr<Action> act = ActionManager::register_action (group, name, label, slot);
  55         ActionManager::session_sensitive_actions.push_back (act);
  56         return act;
  57 }
  58
  59 static void
  60 toggle_reg_sens (RefPtr<ActionGroup> group, char const * name, char const * label, sigc::slot<void> slot)
  61 {
  62         RefPtr<Action> act = ActionManager::register_toggle_action (group, name, label, slot);
  63         ActionManager::session_sensitive_actions.push_back (act);
  64 }
  65
  66 static void
  67 radio_reg_sens (RefPtr<ActionGroup> action_group, RadioAction::Group& radio_group, char const * name, char const * label, sigc::slot<void> slot)
  68 {
  69         RefPtr<Action> act = ActionManager::register_radio_action (action_group, radio_group, name, label, slot);
  70         ActionManager::session_sensitive_actions.push_back (act);
  71 }
  72
  73 void
  74 Editor::register_actions ()
  75 {
  76         RefPtr<Action> act;
  77
  78         editor_actions = ActionGroup::create (X_("Editor"));
  79
  80         /* non-operative menu items for menu bar */
  81
  82         ActionManager::register_action (editor_actions, X_("AlignMenu"), _("Align"));
  83         ActionManager::register_action (editor_actions, X_("Autoconnect"), _("Autoconnect"));
  84         ActionManager::register_action (editor_actions, X_("Crossfades"), _("Crossfades"));
  85         ActionManager::register_action (editor_actions, X_("Edit"), _("Edit"));
  86         ActionManager::register_action (editor_actions, X_("EditCursorMovementOptions"), _("Move Selected Marker"));
  87         ActionManager::register_action (editor_actions, X_("EditSelectRangeOptions"), _("Select Range Operations"));
  88         ActionManager::register_action (editor_actions, X_("EditSelectRegionOptions"), _("Select Regions"));
  89         ActionManager::register_action (editor_actions, X_("EditPointMenu"), _("Edit Point"));
  90         ActionManager::register_action (editor_actions, X_("FadeMenu"), _("Fade"));
  91         ActionManager::register_action (editor_actions, X_("LatchMenu"), _("Latch"));
  92         ActionManager::register_action (editor_actions, X_("RegionMenu"), _("Region"));
  93         ActionManager::register_action (editor_actions, X_("RegionMenuLayering"), _("Layering"));
  94         ActionManager::register_action (editor_actions, X_("RegionMenuNudge"), _("Nudge"));
  95         ActionManager::register_action (editor_actions, X_("RegionMenuTrim"), _("Trim"));
  96         ActionManager::register_action (editor_actions, X_("RegionMenuGain"), _("Gain"));
  97         ActionManager::register_action (editor_actions, X_("RegionMenuRanges"), _("Ranges"));
  98         ActionManager::register_action (editor_actions, X_("RegionMenuFades"), _("Fades"));
  99         ActionManager::register_action (editor_actions, X_("RegionMenuMIDI"), _("MIDI"));
 100         ActionManager::register_action (editor_actions, X_("RegionMenuDuplicate"), _("Duplicate"));
 101         ActionManager::register_action (editor_actions, X_("Link"), _("Link"));
 102         ActionManager::register_action (editor_actions, X_("ZoomFocusMenu"), _("Zoom Focus"));
 103         ActionManager::register_action (editor_actions, X_("LocateToMarker"), _("Locate to Markers"));
 104         ActionManager::register_action (editor_actions, X_("MarkerMenu"), _("Markers"));
 105         ActionManager::register_action (editor_actions, X_("MeterFalloff"), _("Meter falloff"));
 106         ActionManager::register_action (editor_actions, X_("MeterHold"), _("Meter hold"));
 107         ActionManager::register_action (editor_actions, X_("MiscOptions"), _("Misc Options"));
 108         ActionManager::register_action (editor_actions, X_("Monitoring"), _("Monitoring"));
 109         ActionManager::register_action (editor_actions, X_("MoveActiveMarkMenu"), _("Active Mark"));
 110         ActionManager::register_action (editor_actions, X_("MovePlayHeadMenu"), _("Playhead"));
 111         ActionManager::register_action (editor_actions, X_("PlayMenu"), _("Play"));
 112         ActionManager::register_action (editor_actions, X_("PrimaryClockMenu"), _("Primary Clock"));
 113         ActionManager::register_action (editor_actions, X_("Pullup"), _("Pullup / Pulldown"));
 114         ActionManager::register_action (editor_actions, X_("RegionEditOps"), _("Region operations"));
 115         ActionManager::register_action (editor_actions, X_("RegionGainMenu"), _("Gain"));
 116         ActionManager::register_action (editor_actions, X_("RulerMenu"), _("Rulers"));
 117         ActionManager::register_action (editor_actions, X_("SavedViewMenu"), _("Views"));
 118         ActionManager::register_action (editor_actions, X_("ScrollMenu"), _("Scroll"));
 119         ActionManager::register_action (editor_actions, X_("SecondaryClockMenu"), _("Secondary Clock"));
 120         ActionManager::register_action (editor_actions, X_("Select"), _("Select"));
 121         ActionManager::register_action (editor_actions, X_("SelectMenu"), _("Select"));
 122         ActionManager::register_action (editor_actions, X_("SeparateMenu"), _("Separate"));
 123         ActionManager::register_action (editor_actions, X_("SetLoopMenu"), _("Loop"));
 124         ActionManager::register_action (editor_actions, X_("SetPunchMenu"), _("Punch"));
 125         ActionManager::register_action (editor_actions, X_("Solo"), _("Solo"));
 126         ActionManager::register_action (editor_actions, X_("Subframes"), _("Subframes"));
 127         ActionManager::register_action (editor_actions, X_("SyncMenu"), _("Sync"));
 128         ActionManager::register_action (editor_actions, X_("TempoMenu"), _("Tempo"));
 129         ActionManager::register_action (editor_actions, X_("Timecode"), _("Timecode fps"));
 130         ActionManager::register_action (editor_actions, X_("TrackHeightMenu"), _("Height"));
 131         ActionManager::register_action (editor_actions, X_("TrackMenu"), _("Track"));
 132         ActionManager::register_action (editor_actions, X_("Tools"), _("Tools"));
 133         ActionManager::register_action (editor_actions, X_("View"), _("View"));
 134         ActionManager::register_action (editor_actions, X_("ZoomFocus"), _("Zoom Focus"));
 135         ActionManager::register_action (editor_actions, X_("ZoomMenu"), _("Zoom"));
 136
 137         register_region_actions ();
 138
 139         /* add named actions for the editor */
 140
 141         ActionManager::register_action (editor_actions, "escape", _("Break drag or deselect all"), sigc::mem_fun (*this, &Editor::escape));
 142
 143         toggle_reg_sens (editor_actions, "show-editor-mixer", _("Show Editor Mixer"), sigc::mem_fun (*this, &Editor::editor_mixer_button_toggled));
 144         toggle_reg_sens (editor_actions, "show-editor-list", _("Show Editor List"), sigc::mem_fun (*this, &Editor::editor_list_button_toggled));
 145
 146         reg_sens (editor_actions, "playhead-to-next-region-boundary", _("Playhead to Next Region Boundary"), sigc::bind (sigc::mem_fun(*this, &Editor::cursor_to_next_region_boundary), true ));
 147         reg_sens (editor_actions, "playhead-to-next-region-boundary-noselection", _("Playhead to Next Region Boundary (No Track Selection)"), sigc::bind (sigc::mem_fun(*this, &Editor::cursor_to_next_region_boundary), false ));
 148         reg_sens (editor_actions, "playhead-to-previous-region-boundary", _("Playhead to Previous Region Boundary"), sigc::bind (sigc::mem_fun(*this, &Editor::cursor_to_previous_region_boundary), true));
 149         reg_sens (editor_actions, "playhead-to-previous-region-boundary-noselection", _("Playhead to Previous Region Boundary (No Track Selection)"), sigc::bind (sigc::mem_fun(*this, &Editor::cursor_to_previous_region_boundary), false));
 150
 151         reg_sens (editor_actions, "playhead-to-next-region-start", _("Playhead to Next Region Start"), sigc::bind (sigc::mem_fun(*this, &Editor::cursor_to_next_region_point), playhead_cursor, RegionPoint (Start)));
 152         reg_sens (editor_actions, "playhead-to-next-region-end", _("Playhead to Next Region End"), sigc::bind (sigc::mem_fun(*this, &Editor::cursor_to_next_region_point), playhead_cursor, RegionPoint (End)));
 153         reg_sens (editor_actions, "playhead-to-next-region-sync", _("Playhead to Next Region Sync"), sigc::bind (sigc::mem_fun(*this, &Editor::cursor_to_next_region_point), playhead_cursor, RegionPoint (SyncPoint)));
 154
 155         reg_sens (editor_actions, "playhead-to-previous-region-start", _("Playhead to Previous Region Start"), sigc::bind (sigc::mem_fun(*this, &Editor::cursor_to_previous_region_point), playhead_cursor, RegionPoint (Start)));
 156         reg_sens (editor_actions, "playhead-to-previous-region-end", _("Playhead to Previous Region End"), sigc::bind (sigc::mem_fun(*this, &Editor::cursor_to_previous_region_point), playhead_cursor, RegionPoint (End)));
 157         reg_sens (editor_actions, "playhead-to-previous-region-sync", _("Playhead to Previous Region Sync"), sigc::bind (sigc::mem_fun(*this, &Editor::cursor_to_previous_region_point), playhead_cursor, RegionPoint (SyncPoint)));
 158
 159         reg_sens (editor_actions, "selected-marker-to-next-region-boundary", _("To Next Region Boundary"), sigc::bind (sigc::mem_fun(*this, &Editor::selected_marker_to_next_region_boundary), true));
 160         reg_sens (editor_actions, "selected-marker-to-next-region-boundary-noselection", _("To Next Region Boundary (No Track Selection)"), sigc::bind (sigc::mem_fun(*this, &Editor::selected_marker_to_next_region_boundary), false));
 161         reg_sens (editor_actions, "selected-marker-to-previous-region-boundary", _("To Previous Region Boundary"), sigc::bind (sigc::mem_fun(*this, &Editor::selected_marker_to_previous_region_boundary), true));
 162         reg_sens (editor_actions, "selected-marker-to-previous-region-boundary-noselection", _("to Previous Region Boundary (No Track Selection)"), sigc::bind (sigc::mem_fun(*this, &Editor::selected_marker_to_previous_region_boundary), false));
 163
 164         reg_sens (editor_actions, "edit-cursor-to-next-region-start", _("To Next Region Start"), sigc::bind (sigc::mem_fun(*this, &Editor::selected_marker_to_next_region_point), RegionPoint (Start)));
 165         reg_sens (editor_actions, "edit-cursor-to-next-region-end", _("To Next Region End"), sigc::bind (sigc::mem_fun(*this, &Editor::selected_marker_to_next_region_point), RegionPoint (End)));
 166         reg_sens (editor_actions, "edit-cursor-to-next-region-sync", _("To Next Region Sync"), sigc::bind (sigc::mem_fun(*this, &Editor::selected_marker_to_next_region_point), RegionPoint (SyncPoint)));
 167
 168         reg_sens (editor_actions, "edit-cursor-to-previous-region-start", _("To Previous Region Start"), sigc::bind (sigc::mem_fun(*this, &Editor::selected_marker_to_previous_region_point), RegionPoint (Start)));
 169         reg_sens (editor_actions, "edit-cursor-to-previous-region-end", _("To Previous Region End"), sigc::bind (sigc::mem_fun(*this, &Editor::selected_marker_to_previous_region_point), RegionPoint (End)));
 170         reg_sens (editor_actions, "edit-cursor-to-previous-region-sync", _("To Previous Region Sync"), sigc::bind (sigc::mem_fun(*this, &Editor::selected_marker_to_previous_region_point), RegionPoint (SyncPoint)));
 171
 172         reg_sens (editor_actions, "edit-cursor-to-range-start", _("To Range Start"), sigc::mem_fun(*this, &Editor::selected_marker_to_selection_start));
 173         reg_sens (editor_actions, "edit-cursor-to-range-end", _("To Range End"), sigc::mem_fun(*this, &Editor::selected_marker_to_selection_end));
 174
 175         reg_sens (editor_actions, "playhead-to-range-start", _("Playhead to Range Start"), sigc::bind (sigc::mem_fun(*this, &Editor::cursor_to_selection_start), playhead_cursor));
 176         reg_sens (editor_actions, "playhead-to-range-end", _("Playhead to Range End"), sigc::bind (sigc::mem_fun(*this, &Editor::cursor_to_selection_end), playhead_cursor));
 177
 178         reg_sens (editor_actions, "select-all", _("Select All"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all), Selection::Set));
 179         reg_sens (editor_actions, "deselect-all", _("Deselect All"), sigc::mem_fun(*this, &Editor::deselect_all));
 180         reg_sens (editor_actions, "invert-selection", _("Invert Selection"), sigc::mem_fun(*this, &Editor::invert_selection));
 181         reg_sens (editor_actions, "select-all-after-edit-cursor", _("Select All After Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_edit), true));
 182         reg_sens (editor_actions, "select-all-before-edit-cursor", _("Select All Before Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_edit), false));
 183
 184         reg_sens (editor_actions, "select-all-between-cursors", _("Select All Overlapping Edit Range"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_between), false));
 185         reg_sens (editor_actions, "select-all-within-cursors", _("Select All Inside Edit Range"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_between), true));
 186
 187         reg_sens (editor_actions, "select-range-between-cursors", _("Select Edit Range"), sigc::mem_fun(*this, &Editor::select_range_between));
 188
 189         reg_sens (editor_actions, "select-all-in-punch-range", _("Select All in Punch Range"), sigc::mem_fun(*this, &Editor::select_all_selectables_using_punch));
 190         reg_sens (editor_actions, "select-all-in-loop-range", _("Select All in Loop Range"), sigc::mem_fun(*this, &Editor::select_all_selectables_using_loop));
 191
 192         reg_sens (editor_actions, "select-next-route", _("Select Next Track or Bus"), sigc::mem_fun(*this, &Editor::select_next_route));
 193         reg_sens (editor_actions, "select-prev-route", _("Select Previous Track or Bus"), sigc::mem_fun(*this, &Editor::select_prev_route));
 194
 195         act = reg_sens (editor_actions, "track-record-enable-toggle", _("Toggle Record Enable"), sigc::mem_fun(*this, &Editor::toggle_record_enable));
 196         ActionManager::track_selection_sensitive_actions.push_back (act);
 197
 198         for (int i = 1; i <= 12; ++i) {
 199                 string const a = string_compose (X_("save-visual-state-%1"), i);
 200                 string const n = string_compose (_("Save View %1"), i);
 201                 reg_sens (editor_actions, a.c_str(), n.c_str(), sigc::bind (sigc::mem_fun (*this, &Editor::start_visual_state_op), i - 1));
 202         }
 203
 204         for (int i = 1; i <= 12; ++i) {
 205                 string const a = string_compose (X_("goto-visual-state-%1"), i);
 206                 string const n = string_compose (_("Goto View %1"), i);
 207                 reg_sens (editor_actions, a.c_str(), n.c_str(), sigc::bind (sigc::mem_fun (*this, &Editor::cancel_visual_state_op), i - 1));
 208         }
 209
 210         for (int i = 1; i <= 9; ++i) {
 211                 string const a = string_compose (X_("goto-mark-%1"), i);
 212                 string const n = string_compose (_("Locate to Mark %1"), i);
 213                 reg_sens (editor_actions, a.c_str(), n.c_str(), sigc::bind (sigc::mem_fun (*this, &Editor::goto_nth_marker), i - 1));
 214         }
 215
 216         reg_sens (editor_actions, "jump-forward-to-mark", _("Jump Forward to Mark"), sigc::mem_fun(*this, &Editor::jump_forward_to_mark));
 217         reg_sens (editor_actions, "jump-backward-to-mark", _("Jump Backward to Mark"), sigc::mem_fun(*this, &Editor::jump_backward_to_mark));
 218         reg_sens (editor_actions, "add-location-from-playhead", _("Add Mark from Playhead"), sigc::mem_fun(*this, &Editor::add_location_from_playhead_cursor));
 219
 220         reg_sens (editor_actions, "nudge-next-forward", _("Nudge Next Forward"), sigc::bind (sigc::mem_fun(*this, &Editor::nudge_forward), true, false));
 221         reg_sens (editor_actions, "nudge-next-backward", _("Nudge Next Backward"), sigc::bind (sigc::mem_fun(*this, &Editor::nudge_backward), true, false));
 222
 223         reg_sens (editor_actions, "nudge-playhead-forward", _("Nudge Playhead Forward"), sigc::bind (sigc::mem_fun(*this, &Editor::nudge_forward), false, true));
 224         reg_sens (editor_actions, "nudge-playhead-backward", _("Nudge Playhead Backward"), sigc::bind (sigc::mem_fun(*this, &Editor::nudge_backward), false, true));
 225         reg_sens (editor_actions, "playhead-forward-to-grid", _("Forward to Grid"), sigc::mem_fun(*this, &Editor::playhead_forward_to_grid));
 226         reg_sens (editor_actions, "playhead-backward-to-grid", _("Backward to Grid"), sigc::mem_fun(*this, &Editor::playhead_backward_to_grid));
 227
 228
 229         reg_sens (editor_actions, "temporal-zoom-out", _("Zoom Out"), sigc::bind (sigc::mem_fun(*this, &Editor::temporal_zoom_step), true));
 230         reg_sens (editor_actions, "temporal-zoom-in", _("Zoom In"), sigc::bind (sigc::mem_fun(*this, &Editor::temporal_zoom_step), false));
 231         reg_sens (editor_actions, "zoom-to-session", _("Zoom to Session"), sigc::mem_fun(*this, &Editor::temporal_zoom_session));
 232         reg_sens (editor_actions, "zoom-to-region", _("Zoom to Region"), sigc::bind (sigc::mem_fun(*this, &Editor::zoom_to_region), false));
 233         reg_sens (editor_actions, "zoom-to-region-both-axes", _("Zoom to Region (Width and Height)"), sigc::bind (sigc::mem_fun(*this, &Editor::zoom_to_region), true));
 234         reg_sens (editor_actions, "toggle-zoom", _("Toggle Zoom State"), sigc::mem_fun(*this, &Editor::swap_visual_state));
 235
 236         reg_sens (editor_actions, "expand-tracks", _("Expand Track Height"), sigc::bind (sigc::mem_fun (*this, &Editor::tav_zoom_step), false));
 237         reg_sens (editor_actions, "shrink-tracks", _("Shrink Track Height"), sigc::bind (sigc::mem_fun (*this, &Editor::tav_zoom_step), true));
 238
 239         act = reg_sens (editor_actions, "move-selected-tracks-up", _("Move Selected Tracks Up"), sigc::bind (sigc::mem_fun(*_routes, &EditorRoutes::move_selected_tracks), true));
 240         ActionManager::track_selection_sensitive_actions.push_back (act);
 241         act = reg_sens (editor_actions, "move-selected-tracks-down", _("Move Selected Tracks Down"), sigc::bind (sigc::mem_fun(*_routes, &EditorRoutes::move_selected_tracks), false));
 242         ActionManager::track_selection_sensitive_actions.push_back (act);
 243
 244         act = reg_sens (editor_actions, "scroll-tracks-up", _("Scroll Tracks Up"), sigc::mem_fun(*this, &Editor::scroll_tracks_up));
 245         ActionManager::track_selection_sensitive_actions.push_back (act);
 246         act = reg_sens (editor_actions, "scroll-tracks-down", _("Scroll Tracks Down"), sigc::mem_fun(*this, &Editor::scroll_tracks_down));
 247         ActionManager::track_selection_sensitive_actions.push_back (act);
 248         act = reg_sens (editor_actions, "step-tracks-up", _("Step Tracks Up"), sigc::mem_fun(*this, &Editor::scroll_tracks_up_line));
 249         ActionManager::track_selection_sensitive_actions.push_back (act);
 250         act = reg_sens (editor_actions, "step-tracks-down", _("Step Tracks Down"), sigc::mem_fun(*this, &Editor::scroll_tracks_down_line));
 251         ActionManager::track_selection_sensitive_actions.push_back (act);
 252
 253         reg_sens (editor_actions, "scroll-backward", _("Scroll Backward"), sigc::bind (sigc::mem_fun(*this, &Editor::scroll_backward), 0.8f));
 254         reg_sens (editor_actions, "scroll-forward", _("Scroll Forward"), sigc::bind (sigc::mem_fun(*this, &Editor::scroll_forward), 0.8f));
 255         reg_sens (editor_actions, "center-playhead", _("Center Playhead"), sigc::mem_fun(*this, &Editor::center_playhead));
 256         reg_sens (editor_actions, "center-edit-cursor", _("Center Edit Point"), sigc::mem_fun(*this, &Editor::center_edit_point));
 257
 258         reg_sens (editor_actions, "scroll-playhead-forward", _("Playhead Forward"), sigc::bind (sigc::mem_fun(*this, &Editor::scroll_playhead), true));;
 259         reg_sens (editor_actions, "scroll-playhead-backward", _("Playhead Backward"), sigc::bind (sigc::mem_fun(*this, &Editor::scroll_playhead), false));
 260
 261         reg_sens (editor_actions, "playhead-to-edit", _("Playhead to Active Mark"), sigc::bind (sigc::mem_fun(*this, &Editor::cursor_align), true));
 262         reg_sens (editor_actions, "edit-to-playhead", _("Active Mark to Playhead"), sigc::bind (sigc::mem_fun(*this, &Editor::cursor_align), false));
 263
 264         reg_sens (editor_actions, "set-loop-from-edit-range", _("Set Loop from Edit Range"), sigc::bind (sigc::mem_fun(*this, &Editor::set_loop_from_edit_range), false));
 265         reg_sens (editor_actions, "set-punch-from-edit-range", _("Set Punch from Edit Range"), sigc::mem_fun(*this, &Editor::set_punch_from_edit_range));
 266
 267         /* this is a duplicated action so that the main menu can use a different label */
 268         reg_sens (editor_actions, "main-menu-play-selected-regions", _("Play Selected Regions"), sigc::mem_fun (*this, &Editor::play_selected_region));
 269         reg_sens (editor_actions, "play-from-edit-point", _("Play From Edit Point"), sigc::mem_fun(*this, &Editor::play_from_edit_point));
 270         reg_sens (editor_actions, "play-from-edit-point-and-return", _("Play from Edit Point and Return"), sigc::mem_fun(*this, &Editor::play_from_edit_point_and_return));
 271
 272         reg_sens (editor_actions, "play-edit-range", _("Play Edit Range"), sigc::mem_fun(*this, &Editor::play_edit_range));
 273
 274         reg_sens (editor_actions, "set-playhead", _("Playhead to Mouse"), sigc::mem_fun(*this, &Editor::set_playhead_cursor));
 275         reg_sens (editor_actions, "set-edit-point", _("Active Marker to Mouse"), sigc::mem_fun(*this, &Editor::set_edit_point));
 276
 277         reg_sens (editor_actions, "duplicate-range", _("Duplicate Range"), sigc::bind (sigc::mem_fun(*this, &Editor::duplicate_dialog), false));
 278
 279         undo_action = reg_sens (editor_actions, "undo", _("Undo"), sigc::bind (sigc::mem_fun(*this, &Editor::undo), 1U));
 280         redo_action = reg_sens (editor_actions, "redo", _("Redo"), sigc::bind (sigc::mem_fun(*this, &Editor::redo), 1U));
 281
 282         reg_sens (editor_actions, "export-audio", _("Export Audio"), sigc::mem_fun(*this, &Editor::export_audio));
 283         reg_sens (editor_actions, "export-range", _("Export Range"), sigc::mem_fun(*this, &Editor::export_range));
 284
 285         act = reg_sens (editor_actions, "editor-separate", _("Separate"), sigc::mem_fun(*this, &Editor::separate_region_from_selection));
 286         ActionManager::mouse_edit_point_requires_canvas_actions.push_back (act);
 287
 288         act = reg_sens (editor_actions, "separate-from-punch", _("Separate Using Punch Range"), sigc::mem_fun(*this, &Editor::separate_region_from_punch));
 289         ActionManager::mouse_edit_point_requires_canvas_actions.push_back (act);
 290
 291         act = reg_sens (editor_actions, "separate-from-loop", _("Separate Using Loop Range"), sigc::mem_fun(*this, &Editor::separate_region_from_loop));
 292         ActionManager::mouse_edit_point_requires_canvas_actions.push_back (act);
 293
 294         act = reg_sens (editor_actions, "editor-crop", _("Crop"), sigc::mem_fun(*this, &Editor::crop_region_to_selection));
 295         ActionManager::mouse_edit_point_requires_canvas_actions.push_back (act);
 296
 297         reg_sens (editor_actions, "editor-cut", _("Cut"), sigc::mem_fun(*this, &Editor::cut));
 298
 299         reg_sens (editor_actions, "editor-copy", _("Copy"), sigc::mem_fun(*this, &Editor::copy));
 300         reg_sens (editor_actions, "editor-paste", _("Paste"), sigc::mem_fun(*this, &Editor::keyboard_paste));
 301
 302         reg_sens (editor_actions, "set-tempo-from-edit-range", _("Set Tempo from Edit Range = Bar"), sigc::mem_fun(*this, &Editor::use_range_as_bar));
 303
 304         toggle_reg_sens (editor_actions, "toggle-log-window", _("Log"),
 305                         sigc::mem_fun (ARDOUR_UI::instance(), &ARDOUR_UI::toggle_errors));
 306
 307         reg_sens (editor_actions, "tab-to-transient-forwards", _("Move Forward to Transient"), sigc::bind (sigc::mem_fun(*this, &Editor::tab_to_transient), true));
 308         reg_sens (editor_actions, "tab-to-transient-backwards", _("Move Backwards to Transient"), sigc::bind (sigc::mem_fun(*this, &Editor::tab_to_transient), false));
 309
 310         reg_sens (editor_actions, "crop", _("Crop"), sigc::mem_fun(*this, &Editor::crop_region_to_selection));
 311
 312         reg_sens (editor_actions, "start-range", _("Start Range"), sigc::mem_fun(*this, &Editor::keyboard_selection_begin));
 313         reg_sens (editor_actions, "finish-range", _("Finish Range"), sigc::bind (sigc::mem_fun(*this, &Editor::keyboard_selection_finish), false));
 314         reg_sens (editor_actions, "finish-add-range", _("Finish Add Range"), sigc::bind (sigc::mem_fun(*this, &Editor::keyboard_selection_finish), true));
 315
 316         reg_sens (
 317                 editor_actions,
 318                 "move-range-start-to-previous-region-boundary",
 319                 _("Move Range Start to Previous Region Boundary"),
 320                 sigc::bind (sigc::mem_fun (*this, &Editor::move_range_selection_start_or_end_to_region_boundary), false, false)
 321                 );
 322
 323         reg_sens (
 324                 editor_actions,
 325                 "move-range-start-to-next-region-boundary",
 326                 _("Move Range Start to Next Region Boundary"),
 327                 sigc::bind (sigc::mem_fun (*this, &Editor::move_range_selection_start_or_end_to_region_boundary), false, true)
 328                 );
 329
 330         reg_sens (
 331                 editor_actions,
 332                 "move-range-end-to-previous-region-boundary",
 333                 _("Move Range End to Previous Region Boundary"),
 334                 sigc::bind (sigc::mem_fun (*this, &Editor::move_range_selection_start_or_end_to_region_boundary), true, false)
 335                 );
 336
 337         reg_sens (
 338                 editor_actions,
 339                 "move-range-end-to-next-region-boundary",
 340                 _("Move Range End to Next Region Boundary"),
 341                 sigc::bind (sigc::mem_fun (*this, &Editor::move_range_selection_start_or_end_to_region_boundary), true, true)
 342                 );
 343
 344         toggle_reg_sens (editor_actions, "toggle-follow-playhead", _("Follow Playhead"), (sigc::mem_fun(*this, &Editor::toggle_follow_playhead)));
 345         act = reg_sens (editor_actions, "remove-last-capture", _("Remove Last Capture"), (sigc::mem_fun(*this, &Editor::remove_last_capture)));
 346
 347         ActionManager::register_toggle_action (editor_actions, "toggle-stationary-playhead", _("Stationary Playhead"), (mem_fun(*this, &Editor::toggle_stationary_playhead)));
 348
 349         act = reg_sens (editor_actions, "insert-time", _("Insert Time"), (sigc::mem_fun(*this, &Editor::do_insert_time)));
 350         ActionManager::track_selection_sensitive_actions.push_back (act);
 351
 352         act = reg_sens (editor_actions, "toggle-track-active", _("Toggle Active"), (sigc::mem_fun(*this, &Editor::toggle_tracks_active)));
 353         ActionManager::track_selection_sensitive_actions.push_back (act);
 354         if (Profile->get_sae()) {
 355                 act = reg_sens (editor_actions, "remove-track", _("Delete"), (sigc::mem_fun(*this, &Editor::remove_tracks)));
 356         } else {
 357                 act = reg_sens (editor_actions, "remove-track", _("Remove"), (sigc::mem_fun(*this, &Editor::remove_tracks)));
 358         }
 359         ActionManager::track_selection_sensitive_actions.push_back (act);
 360
 361         reg_sens (editor_actions, "fit-tracks", _("Fit Selected Tracks"), sigc::mem_fun(*this, &Editor::fit_selected_tracks));
 362
 363         act = reg_sens (editor_actions, "track-height-largest", _("Largest"), sigc::bind (
 364                                 sigc::mem_fun(*this, &Editor::set_track_height), HeightLargest));
 365         ActionManager::track_selection_sensitive_actions.push_back (act);
 366         act = reg_sens (editor_actions, "track-height-larger", _("Larger"), sigc::bind (
 367                                 sigc::mem_fun(*this, &Editor::set_track_height), HeightLarger));
 368         ActionManager::track_selection_sensitive_actions.push_back (act);
 369         act = reg_sens (editor_actions, "track-height-large", _("Large"), sigc::bind (
 370                                 sigc::mem_fun(*this, &Editor::set_track_height), HeightLarge));
 371         ActionManager::track_selection_sensitive_actions.push_back (act);
 372         act = reg_sens (editor_actions, "track-height-normal", _("Normal"), sigc::bind (
 373                                 sigc::mem_fun(*this, &Editor::set_track_height), HeightNormal));
 374         ActionManager::track_selection_sensitive_actions.push_back (act);
 375         act = reg_sens (editor_actions, "track-height-small", _("Small"), sigc::bind (
 376                                 sigc::mem_fun(*this, &Editor::set_track_height), HeightSmall));
 377         ActionManager::track_selection_sensitive_actions.push_back (act);
 378         ActionManager::track_selection_sensitive_actions.push_back (act);
 379         act = reg_sens (editor_actions, "track-height-smaller", _("Smaller"), sigc::bind (
 380                                 sigc::mem_fun(*this, &Editor::set_track_height), HeightSmaller));
 381         ActionManager::track_selection_sensitive_actions.push_back (act);
 382
 383         Glib::RefPtr<ActionGroup> zoom_actions = ActionGroup::create (X_("Zoom"));
 384         RadioAction::Group zoom_group;
 385
 386         radio_reg_sens (zoom_actions, zoom_group, "zoom-focus-left", _("Zoom Focus Left"), sigc::bind (sigc::mem_fun(*this, &Editor::zoom_focus_chosen), Editing::ZoomFocusLeft));
 387         radio_reg_sens (zoom_actions, zoom_group, "zoom-focus-right", _("Zoom Focus Right"), sigc::bind (sigc::mem_fun(*this, &Editor::zoom_focus_chosen), Editing::ZoomFocusRight));
 388         radio_reg_sens (zoom_actions, zoom_group, "zoom-focus-center", _("Zoom Focus Center"), sigc::bind (sigc::mem_fun(*this, &Editor::zoom_focus_chosen), Editing::ZoomFocusCenter));
 389         radio_reg_sens (zoom_actions, zoom_group, "zoom-focus-playhead", _("Zoom Focus Playhead"), sigc::bind (sigc::mem_fun(*this, &Editor::zoom_focus_chosen), Editing::ZoomFocusPlayhead));
 390         radio_reg_sens (zoom_actions, zoom_group, "zoom-focus-mouse", _("Zoom Focus Mouse"), sigc::bind (sigc::mem_fun(*this, &Editor::zoom_focus_chosen), Editing::ZoomFocusMouse));
 391         radio_reg_sens (zoom_actions, zoom_group, "zoom-focus-edit", _("Zoom Focus Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::zoom_focus_chosen), Editing::ZoomFocusEdit));
 392
 393         Glib::RefPtr<ActionGroup> mouse_mode_actions = ActionGroup::create (X_("MouseMode"));
 394         RadioAction::Group mouse_mode_group;
 395
 396         act = ActionManager::register_radio_action (mouse_mode_actions, mouse_mode_group, "set-mouse-mode-object", _("Object Tool"), sigc::bind (sigc::mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseObject));
 397         act->connect_proxy (mouse_move_button);
 398         mouse_move_button.set_image (*(manage (new Image (::get_icon("tool_object")))));
 399         mouse_move_button.set_label ("");
 400         mouse_move_button.set_name ("MouseModeButton");
 401         mouse_move_button.get_image ()->show ();
 402
 403         act = ActionManager::register_radio_action (mouse_mode_actions, mouse_mode_group, "set-mouse-mode-range", _("Range Tool"), sigc::bind (sigc::mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseRange));
 404         act->connect_proxy (mouse_select_button);
 405         mouse_select_button.set_image (*(manage (new Image (::get_icon("tool_range")))));
 406         mouse_select_button.set_label ("");
 407         mouse_select_button.set_name ("MouseModeButton");
 408         mouse_select_button.get_image ()->show ();
 409
 410         act = ActionManager::register_toggle_action (mouse_mode_actions, "set-mouse-mode-object-range", _("Link Object / Range Tools"), sigc::mem_fun (*this, &Editor::mouse_mode_object_range_toggled));
 411         act->connect_proxy (join_object_range_button);
 412         join_object_range_button.set_image (*(manage (new Image (::get_icon ("tool_object_range")))));
 413         join_object_range_button.set_label ("");
 414         join_object_range_button.set_name ("MouseModeButton");
 415         join_object_range_button.get_image ()->show ();
 416
 417         act = ActionManager::register_radio_action (mouse_mode_actions, mouse_mode_group, "set-mouse-mode-gain", _("Gain Tool"), sigc::bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseGain));
 418         act->connect_proxy (mouse_gain_button);
 419         mouse_gain_button.set_image (*(manage (new Image (::get_icon("tool_gain")))));
 420         mouse_gain_button.set_label ("");
 421         mouse_gain_button.set_name ("MouseModeButton");
 422         mouse_gain_button.get_image ()->show ();
 423
 424         act = ActionManager::register_radio_action (mouse_mode_actions, mouse_mode_group, "set-mouse-mode-zoom", _("Zoom Tool"), sigc::bind (sigc::mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseZoom));
 425         act->connect_proxy (mouse_zoom_button);
 426         mouse_zoom_button.set_image (*(manage (new Image (::get_icon("tool_zoom")))));
 427         mouse_zoom_button.set_label ("");
 428         mouse_zoom_button.set_name ("MouseModeButton");
 429         mouse_zoom_button.get_image ()->show ();
 430
 431         act = ActionManager::register_radio_action (mouse_mode_actions, mouse_mode_group, "set-mouse-mode-audition", _("Audition Tool"), sigc::bind (sigc::mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseAudition));
 432         act->connect_proxy (mouse_audition_button);
 433         mouse_audition_button.set_image (*(manage (new Image (::get_icon("tool_audition")))));
 434         mouse_audition_button.set_label ("");
 435         mouse_audition_button.set_name ("MouseModeButton");
 436         mouse_audition_button.get_image ()->show ();
 437
 438         act = ActionManager::register_radio_action (mouse_mode_actions, mouse_mode_group, "set-mouse-mode-timefx", _("Time FX Tool"), sigc::bind (sigc::mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseTimeFX));
 439         act->connect_proxy (mouse_timefx_button);
 440         mouse_timefx_button.set_image (*(manage (new Image (::get_icon("tool_stretch")))));
 441         mouse_timefx_button.set_label ("");
 442         mouse_timefx_button.set_name ("MouseModeButton");
 443         mouse_timefx_button.get_image ()->show ();
 444
 445         ActionManager::register_action (editor_actions, "step-mouse-mode", _("Step Mouse Mode"), sigc::bind (sigc::mem_fun(*this, &Editor::step_mouse_mode), true));
 446
 447         act = ActionManager::register_toggle_action (mouse_mode_actions, "toggle-internal-edit", _("Edit MIDI"), sigc::mem_fun(*this, &Editor::toggle_internal_editing));
 448         act->connect_proxy (internal_edit_button);
 449         internal_edit_button.set_image (*(manage (new Image (::get_icon("tool_note")))));
 450         internal_edit_button.set_label ("");
 451         internal_edit_button.set_name ("MouseModeButton");
 452         internal_edit_button.get_image ()->show ();
 453
 454         RadioAction::Group edit_point_group;
 455         ActionManager::register_radio_action (editor_actions, edit_point_group, X_("edit-at-playhead"), _("Playhead"), (sigc::bind (sigc::mem_fun(*this, &Editor::edit_point_chosen), Editing::EditAtPlayhead)));
 456         ActionManager::register_radio_action (editor_actions, edit_point_group, X_("edit-at-mouse"), _("Mouse"), (sigc::bind (sigc::mem_fun(*this, &Editor::edit_point_chosen), Editing::EditAtPlayhead)));
 457         ActionManager::register_radio_action (editor_actions, edit_point_group, X_("edit-at-selected-marker"), _("Marker"), (sigc::bind (sigc::mem_fun(*this, &Editor::edit_point_chosen), Editing::EditAtPlayhead)));
 458
 459         ActionManager::register_action (editor_actions, "cycle-edit-point", _("Change Edit Point"), sigc::bind (sigc::mem_fun (*this, &Editor::cycle_edit_point), false));
 460         ActionManager::register_action (editor_actions, "cycle-edit-point-with-marker", _("Change Edit Point Including Marker"), sigc::bind (sigc::mem_fun (*this, &Editor::cycle_edit_point), true));
 461         if (!Profile->get_sae()) {
 462                 ActionManager::register_action (editor_actions, "set-edit-splice", _("Splice"), sigc::bind (sigc::mem_fun (*this, &Editor::set_edit_mode), Splice));
 463         }
 464         ActionManager::register_action (editor_actions, "set-edit-slide", _("Slide"), sigc::bind (sigc::mem_fun (*this, &Editor::set_edit_mode), Slide));
 465         ActionManager::register_action (editor_actions, "set-edit-lock", _("Lock"), sigc::bind (sigc::mem_fun (*this, &Editor::set_edit_mode), Lock));
 466         ActionManager::register_action (editor_actions, "toggle-edit-mode", _("Toggle Edit Mode"), sigc::mem_fun (*this, &Editor::cycle_edit_mode));
 467
 468         ActionManager::register_action (editor_actions, X_("SnapTo"), _("Snap to"));
 469         ActionManager::register_action (editor_actions, X_("SnapMode"), _("Snap Mode"));
 470
 471         RadioAction::Group snap_mode_group;
 472         ActionManager::register_radio_action (editor_actions, snap_mode_group, X_("snap-off"), _("No Grid"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_mode_chosen), Editing::SnapOff)));
 473         ActionManager::register_radio_action (editor_actions, snap_mode_group, X_("snap-normal"), _("Grid"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_mode_chosen), Editing::SnapNormal)));
 474         ActionManager::register_radio_action (editor_actions, snap_mode_group, X_("snap-magnetic"), _("Magnetic"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_mode_chosen), Editing::SnapMagnetic)));
 475
 476         ActionManager::register_action (editor_actions, X_("cycle-snap-mode"), _("Next Snap Mode"), sigc::mem_fun (*this, &Editor::cycle_snap_mode));
 477         ActionManager::register_action (editor_actions, X_("cycle-snap-choice"), _("Next Snap Choice"), sigc::mem_fun (*this, &Editor::cycle_snap_choice));
 478
 479         Glib::RefPtr<ActionGroup> snap_actions = ActionGroup::create (X_("Snap"));
 480         RadioAction::Group snap_choice_group;
 481
 482         ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-cd-frame"), _("Snap to CD Frame"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToCDFrame)));
 483         ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-timecode-frame"), _("Snap to Timecode Frame"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToTimecodeFrame)));
 484         ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-timecode-seconds"), _("Snap to Timecode Seconds"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToTimecodeSeconds)));
 485         ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-timecode-minutes"), _("Snap to Timecode Minutes"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToTimecodeMinutes)));
 486         ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-seconds"), _("Snap to Seconds"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToSeconds)));
 487         ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-minutes"), _("Snap to Minutes"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToMinutes)));
 488
 489         ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-thirtyseconds"), _("Snap to Thirty Seconds"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToBeatDiv32)));
 490         ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-twentyeighths"), _("Snap to Twenty Eighths"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToBeatDiv28)));
 491         ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-twentyfourths"), _("Snap to Twenty Fourths"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToBeatDiv24)));
 492         ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-twentieths"), _("Snap to Twentieths"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToBeatDiv20)));
 493         ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-asixteenthbeat"), _("Snap to Sixteenths"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToBeatDiv16)));
 494         ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-fourteenths"), _("Snap to Fourteenths"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToBeatDiv14)));
 495         ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-twelfths"), _("Snap to Twelfths"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToBeatDiv12)));
 496         ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-tenths"), _("Snap to Tenths"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToBeatDiv10)));
 497         ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-eighths"), _("Snap to Eighths"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToBeatDiv8)));
 498         ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-sevenths"), _("Snap to Sevenths"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToBeatDiv7)));
 499         ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-sixths"), _("Snap to Sixths"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToBeatDiv6)));
 500         ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-fifths"), _("Snap to Fifths"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToBeatDiv5)));
 501         ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-quarters"), _("Snap to Quarters"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToBeatDiv4)));
 502         ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-thirds"), _("Snap to Thirds"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToBeatDiv3)));
 503         ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-halves"), _("Snap to Halves"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToBeatDiv2)));
 504
 505         ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-beat"), _("Snap to Beat"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToBeat)));
 506         ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-bar"), _("Snap to Bar"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToBar)));
 507         ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-mark"), _("Snap to Mark"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToMark)));
 508         ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-region-start"), _("Snap to Region Start"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToRegionStart)));
 509         ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-region-end"), _("Snap to Region End"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToRegionEnd)));
 510         ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-region-sync"), _("Snap to Region Sync"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToRegionSync)));
 511         ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-region-boundary"), _("Snap to Region Boundary"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToRegionBoundary)));
 512
 513         ActionManager::register_toggle_action (editor_actions, X_("show-marker-lines"), _("Show Marker Lines"), sigc::mem_fun (*this, &Editor::toggle_marker_lines));
 514
 515         /* RULERS */
 516
 517         Glib::RefPtr<ActionGroup> ruler_actions = ActionGroup::create (X_("Rulers"));
 518         ruler_tempo_action = Glib::RefPtr<ToggleAction>::cast_static (ActionManager::register_toggle_action (ruler_actions, X_("toggle-tempo-ruler"), _("Tempo"), sigc::bind (sigc::mem_fun(*this, &Editor::toggle_ruler_visibility), ruler_time_tempo)));
 519         ruler_meter_action = Glib::RefPtr<ToggleAction>::cast_static (ActionManager::register_toggle_action (ruler_actions, X_("toggle-meter-ruler"), _("Meter"), sigc::bind (sigc::mem_fun(*this, &Editor::toggle_ruler_visibility), ruler_time_meter)));
 520         ruler_range_action = Glib::RefPtr<ToggleAction>::cast_static (ActionManager::register_toggle_action (ruler_actions, X_("toggle-range-ruler"), _("Ranges"), sigc::bind (sigc::mem_fun(*this, &Editor::toggle_ruler_visibility), ruler_time_range_marker)));
 521         ruler_marker_action = Glib::RefPtr<ToggleAction>::cast_static (ActionManager::register_toggle_action (ruler_actions, X_("toggle-marker-ruler"), _("Markers"), sigc::bind (sigc::mem_fun(*this, &Editor::toggle_ruler_visibility), ruler_time_marker)));
 522         ruler_cd_marker_action = Glib::RefPtr<ToggleAction>::cast_static (ActionManager::register_toggle_action (ruler_actions, X_("toggle-cd-marker-ruler"), _("CD Markers"), sigc::bind (sigc::mem_fun(*this, &Editor::toggle_ruler_visibility), ruler_time_cd_marker)));
 523         ruler_loop_punch_action = Glib::RefPtr<ToggleAction>::cast_static (ActionManager::register_toggle_action (ruler_actions, X_("toggle-loop-punch-ruler"), _("Loop/Punch"), sigc::bind (sigc::mem_fun(*this, &Editor::toggle_ruler_visibility), ruler_time_transport_marker)));
 524         ruler_bbt_action = Glib::RefPtr<ToggleAction>::cast_static (ActionManager::register_toggle_action (ruler_actions, X_("toggle-bbt-ruler"), _("Bars & Beats"), sigc::bind (sigc::mem_fun(*this, &Editor::toggle_ruler_visibility), ruler_metric_bbt)));
 525         ruler_samples_action = Glib::RefPtr<ToggleAction>::cast_static (ActionManager::register_toggle_action (ruler_actions, X_("toggle-samples-ruler"), _("Samples"), sigc::bind (sigc::mem_fun(*this, &Editor::toggle_ruler_visibility), ruler_metric_samples)));
 526         ruler_timecode_action = Glib::RefPtr<ToggleAction>::cast_static (ActionManager::register_toggle_action (ruler_actions, X_("toggle-timecode-ruler"), _("Timecode"), sigc::bind (sigc::mem_fun(*this, &Editor::toggle_ruler_visibility), ruler_metric_timecode)));
 527         ruler_minsec_action = Glib::RefPtr<ToggleAction>::cast_static (ActionManager::register_toggle_action (ruler_actions, X_("toggle-minsec-ruler"), _("Min:Sec"), sigc::bind (sigc::mem_fun(*this, &Editor::toggle_ruler_visibility), ruler_metric_minsec)));
 528
 529         /* set defaults here */
 530
 531         no_ruler_shown_update = true;
 532         ruler_meter_action->set_active (true);
 533         ruler_tempo_action->set_active (true);
 534         ruler_marker_action->set_active (true);
 535         ruler_range_action->set_active (false);
 536         ruler_loop_punch_action->set_active (true);
 537         ruler_loop_punch_action->set_active (true);
 538         if (Profile->get_sae()) {
 539                 ruler_bbt_action->set_active (true);
 540                 ruler_cd_marker_action->set_active (false);
 541                 ruler_timecode_action->set_active (false);
 542                 ruler_minsec_action->set_active (true);
 543         } else {
 544                 ruler_bbt_action->set_active (false);
 545                 ruler_cd_marker_action->set_active (true);
 546                 ruler_timecode_action->set_active (true);
 547                 ruler_minsec_action->set_active (false);
 548         }
 549         ruler_samples_action->set_active (false);
 550         no_ruler_shown_update = false;
 551
 552         /* REGION LIST */
 553
 554         Glib::RefPtr<ActionGroup> rl_actions = ActionGroup::create (X_("RegionList"));
 555         RadioAction::Group sort_type_group;
 556         RadioAction::Group sort_order_group;
 557
 558         /* the region list popup menu */
 559         ActionManager::register_action (rl_actions, X_("RegionListSort"), _("Sort"));
 560
 561         act = ActionManager::register_action (rl_actions, X_("rlAudition"), _("Audition"), sigc::mem_fun(*this, &Editor::audition_region_from_region_list));
 562         ActionManager::region_list_selection_sensitive_actions.push_back (act);
 563
 564         act = ActionManager::register_action (rl_actions, X_("rlHide"), _("Hide"), sigc::mem_fun(*this, &Editor::hide_region_from_region_list));
 565         ActionManager::region_list_selection_sensitive_actions.push_back (act);
 566
 567         act = ActionManager::register_action (rl_actions, X_("rlShow"), _("Show"), sigc::mem_fun(*this, &Editor::show_region_in_region_list));
 568         ActionManager::region_list_selection_sensitive_actions.push_back (act);
 569
 570         ActionManager::register_toggle_action (rl_actions, X_("rlShowAll"), _("Show All"), sigc::mem_fun(*_regions, &EditorRegions::toggle_full));
 571         ActionManager::register_toggle_action (rl_actions, X_("rlShowAuto"), _("Show Automatic Regions"), sigc::mem_fun (*_regions, &EditorRegions::toggle_show_auto_regions));
 572
 573         ActionManager::register_radio_action (rl_actions, sort_order_group, X_("SortAscending"),  _("Ascending"),
 574                         sigc::bind (sigc::mem_fun (*_regions, &EditorRegions::reset_sort_direction), true));
 575         ActionManager::register_radio_action (rl_actions, sort_order_group, X_("SortDescending"),   _("Descending"),
 576                         sigc::bind (sigc::mem_fun (*_regions, &EditorRegions::reset_sort_direction), false));
 577
 578         ActionManager::register_radio_action (rl_actions, sort_type_group, X_("SortByRegionName"),  _("By Region Name"),
 579                         sigc::bind (sigc::mem_fun (*_regions, &EditorRegions::reset_sort_type), ByName, false));
 580         ActionManager::register_radio_action (rl_actions, sort_type_group, X_("SortByRegionLength"),  _("By Region Length"),
 581                         sigc::bind (sigc::mem_fun (*_regions, &EditorRegions::reset_sort_type), ByLength, false));
 582         ActionManager::register_radio_action (rl_actions, sort_type_group, X_("SortByRegionPosition"),  _("By Region Position"),
 583                         sigc::bind (sigc::mem_fun (*_regions, &EditorRegions::reset_sort_type), ByPosition, false));
 584         ActionManager::register_radio_action (rl_actions, sort_type_group, X_("SortByRegionTimestamp"),  _("By Region Timestamp"),
 585                         sigc::bind (sigc::mem_fun (*_regions, &EditorRegions::reset_sort_type), ByTimestamp, false));
 586         ActionManager::register_radio_action (rl_actions, sort_type_group, X_("SortByRegionStartinFile"),  _("By Region Start in File"),
 587                         sigc::bind (sigc::mem_fun (*_regions, &EditorRegions::reset_sort_type), ByStartInFile, false));
 588         ActionManager::register_radio_action (rl_actions, sort_type_group, X_("SortByRegionEndinFile"),  _("By Region End in File"),
 589                         sigc::bind (sigc::mem_fun (*_regions, &EditorRegions::reset_sort_type), ByEndInFile, false));
 590         ActionManager::register_radio_action (rl_actions, sort_type_group, X_("SortBySourceFileName"),  _("By Source File Name"),
 591                         sigc::bind (sigc::mem_fun (*_regions, &EditorRegions::reset_sort_type), BySourceFileName, false));
 592         ActionManager::register_radio_action (rl_actions, sort_type_group, X_("SortBySourceFileLength"),  _("By Source File Length"),
 593                         sigc::bind (sigc::mem_fun (*_regions, &EditorRegions::reset_sort_type), BySourceFileLength, false));
 594         ActionManager::register_radio_action (rl_actions, sort_type_group, X_("SortBySourceFileCreationDate"),  _("By Source File Creation Date"),
 595                         sigc::bind (sigc::mem_fun (*_regions, &EditorRegions::reset_sort_type), BySourceFileCreationDate, false));
 596         ActionManager::register_radio_action (rl_actions, sort_type_group, X_("SortBySourceFilesystem"),  _("By Source Filesystem"),
 597                         sigc::bind (sigc::mem_fun (*_regions, &EditorRegions::reset_sort_type), BySourceFileFS, false));
 598
 599         ActionManager::register_action (rl_actions, X_("removeUnusedRegions"), _("Delete Unused"), sigc::mem_fun(*_regions, &EditorRegions::delete_unused_regions));
 600
 601         /* the next two are duplicate items with different names for use in two different contexts */
 602
 603         act = reg_sens (editor_actions, X_("addExistingAudioFiles"), _("Import"), sigc::mem_fun (*this, &Editor::external_audio_dialog));
 604         ActionManager::write_sensitive_actions.push_back (act);
 605
 606         act = reg_sens (editor_actions, X_("addExternalAudioToRegionList"), _("Import to Region List..."), sigc::bind (sigc::mem_fun(*this, &Editor::add_external_audio_action), ImportAsRegion));
 607         ActionManager::write_sensitive_actions.push_back (act);
 608
 609         act = ActionManager::register_action (editor_actions, X_("importFromSession"), _("Import From Session"), sigc::mem_fun(*this, &Editor::session_import_dialog));
 610         ActionManager::write_sensitive_actions.push_back (act);
 611
 612         ActionManager::register_toggle_action (editor_actions, X_("ToggleSummary"), _("Show Summary"), sigc::mem_fun (*this, &Editor::set_summary));
 613
 614         ActionManager::register_toggle_action (editor_actions, X_("ToggleGroupTabs"), _("Show Group Tabs"), sigc::mem_fun (*this, &Editor::set_group_tabs));
 615
 616         ActionManager::register_toggle_action (editor_actions, X_("ToggleMeasureVisibility"), _("Show Measures"), sigc::mem_fun (*this, &Editor::toggle_measure_visibility));
 617
 618         /* if there is a logo in the editor canvas, its always visible at startup */
 619
 620         act = ActionManager::register_toggle_action (editor_actions, X_("ToggleLogoVisibility"), _("Show Logo"), sigc::mem_fun (*this, &Editor::toggle_logo_visibility));
 621         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
 622         tact->set_active (true);
 623
 624         /* MIDI */
 625
 626         Glib::RefPtr<ActionGroup> midi_actions = ActionGroup::create (X_("MIDI"));
 627         ActionManager::register_action (midi_actions, X_("panic"), _("Panic"), sigc::mem_fun(*this, &Editor::midi_panic));
 628
 629         ActionManager::add_action_group (rl_actions);
 630         ActionManager::add_action_group (ruler_actions);
 631         ActionManager::add_action_group (zoom_actions);
 632         ActionManager::add_action_group (mouse_mode_actions);
 633         ActionManager::add_action_group (snap_actions);
 634         ActionManager::add_action_group (editor_actions);
 635         ActionManager::add_action_group (midi_actions);
 636 }
 637
 638 void
 639 Editor::toggle_ruler_visibility (RulerType rt)
 640 {
 641         const char* action = 0;
 642
 643         if (no_ruler_shown_update) {
 644                 return;
 645         }
 646
 647         switch (rt) {
 648         case ruler_metric_timecode:
 649                 action = "toggle-timecode-ruler";
 650                 break;
 651         case ruler_metric_bbt:
 652                 action = "toggle-bbt-ruler";
 653                 break;
 654         case ruler_metric_samples:
 655                 action = "toggle-samples-ruler";
 656                 break;
 657         case ruler_metric_minsec:
 658                 action = "toggle-minsec-ruler";
 659                 break;
 660         case ruler_time_tempo:
 661                 action = "toggle-tempo-ruler";
 662                 break;
 663         case ruler_time_meter:
 664                 action = "toggle-meter-ruler";
 665                 break;
 666         case ruler_time_marker:
 667                 action = "toggle-marker-ruler";
 668                 break;
 669         case ruler_time_range_marker:
 670                 action = "toggle-range-ruler";
 671                 break;
 672         case ruler_time_transport_marker:
 673                 action = "toggle-loop-punch-ruler";
 674                 break;
 675         case ruler_time_cd_marker:
 676                 action = "toggle-cd-marker-ruler";
 677                 break;
 678         }
 679
 680         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Rulers"), action);
 681
 682         if (act) {
 683                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
 684                 update_ruler_visibility ();
 685                 store_ruler_visibility ();
 686         }
 687 }
 688
 689 void
 690 Editor::set_summary ()
 691 {
 692         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleSummary"));
 693         if (act) {
 694                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic (act);
 695                 _session->config.set_show_summary (tact->get_active ());
 696         }
 697 }
 698
 699 void
 700 Editor::set_group_tabs ()
 701 {
 702         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleGroupTabs"));
 703         if (act) {
 704                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic (act);
 705                 _session->config.set_show_group_tabs (tact->get_active ());
 706         }
 707 }
 708
 709 void
 710 Editor::toggle_measure_visibility ()
 711 {
 712         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleMeasureVisibility"));
 713         if (act) {
 714                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
 715                 set_show_measures (tact->get_active());
 716         }
 717 }
 718
 719 void
 720 Editor::toggle_logo_visibility ()
 721 {
 722         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleLogoVisibility"));
 723
 724         if (act) {
 725                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
 726                 if (logo_item) {
 727                         if (tact->get_active()) {
 728                                 logo_item->show ();
 729                         } else {
 730                                 logo_item->hide ();
 731                         }
 732                 }
 733         }
 734 }
 735
 736 RefPtr<RadioAction>
 737 Editor::snap_type_action (SnapType type)
 738 {
 739         const char* action = 0;
 740         RefPtr<Action> act;
 741
 742         switch (type) {
 743         case Editing::SnapToCDFrame:
 744                 action = "snap-to-cd-frame";
 745                 break;
 746         case Editing::SnapToTimecodeFrame:
 747                 action = "snap-to-timecode-frame";
 748                 break;
 749         case Editing::SnapToTimecodeSeconds:
 750                 action = "snap-to-timecode-seconds";
 751                 break;
 752         case Editing::SnapToTimecodeMinutes:
 753                 action = "snap-to-timecode-minutes";
 754                 break;
 755         case Editing::SnapToSeconds:
 756                 action = "snap-to-seconds";
 757                 break;
 758         case Editing::SnapToMinutes:
 759                 action = "snap-to-minutes";
 760                 break;
 761         case Editing::SnapToBeatDiv32:
 762                 action = "snap-to-thirtyseconds";
 763                 break;
 764         case Editing::SnapToBeatDiv28:
 765                 action = "snap-to-twentyeighths";
 766                 break;
 767         case Editing::SnapToBeatDiv24:
 768                 action = "snap-to-twentyfourths";
 769                 break;
 770         case Editing::SnapToBeatDiv20:
 771                 action = "snap-to-twentieths";
 772                 break;
 773         case Editing::SnapToBeatDiv16:
 774                 action = "snap-to-asixteenthbeat";
 775                 break;
 776         case Editing::SnapToBeatDiv14:
 777                 action = "snap-to-fourteenths";
 778                 break;
 779         case Editing::SnapToBeatDiv12:
 780                 action = "snap-to-twelfths";
 781                 break;
 782         case Editing::SnapToBeatDiv10:
 783                 action = "snap-to-tenths";
 784                 break;
 785         case Editing::SnapToBeatDiv8:
 786                 action = "snap-to-eighths";
 787                 break;
 788         case Editing::SnapToBeatDiv7:
 789                 action = "snap-to-sevenths";
 790                 break;
 791         case Editing::SnapToBeatDiv6:
 792                 action = "snap-to-sixths";
 793                 break;
 794         case Editing::SnapToBeatDiv5:
 795                 action = "snap-to-fifths";
 796                 break;
 797         case Editing::SnapToBeatDiv4:
 798                 action = "snap-to-quarters";
 799                 break;
 800         case Editing::SnapToBeatDiv3:
 801                 action = "snap-to-thirds";
 802                 break;
 803         case Editing::SnapToBeatDiv2:
 804                 action = "snap-to-halves";
 805                 break;
 806         case Editing::SnapToBeat:
 807                 action = "snap-to-beat";
 808                 break;
 809         case Editing::SnapToBar:
 810                 action = "snap-to-bar";
 811                 break;
 812         case Editing::SnapToMark:
 813                 action = "snap-to-mark";
 814                 break;
 815         case Editing::SnapToRegionStart:
 816                 action = "snap-to-region-start";
 817                 break;
 818         case Editing::SnapToRegionEnd:
 819                 action = "snap-to-region-end";
 820                 break;
 821         case Editing::SnapToRegionSync:
 822                 action = "snap-to-region-sync";
 823                 break;
 824         case Editing::SnapToRegionBoundary:
 825                 action = "snap-to-region-boundary";
 826                 break;
 827         default:
 828                 fatal << string_compose (_("programming error: %1: %2"), "Editor: impossible snap-to type", (int) type) << endmsg;
 829                 /*NOTREACHED*/
 830         }
 831
 832         act = ActionManager::get_action (X_("Snap"), action);
 833
 834         if (act) {
 835                 RefPtr<RadioAction> ract = RefPtr<RadioAction>::cast_dynamic(act);
 836                 return ract;
 837
 838         } else  {
 839                 error << string_compose (_("programming error: %1"), "Editor::snap_type_chosen could not find action to match type.") << endmsg;
 840                 return RefPtr<RadioAction>();
 841         }
 842 }
 843
 844 void
 845 Editor::cycle_snap_choice()
 846 {
 847         switch (_snap_type) {
 848         case Editing::SnapToCDFrame:
 849                 set_snap_to (Editing::SnapToTimecodeFrame);
 850                 break;
 851         case Editing::SnapToTimecodeFrame:
 852                 set_snap_to (Editing::SnapToTimecodeSeconds);
 853                 break;
 854         case Editing::SnapToTimecodeSeconds:
 855                 set_snap_to (Editing::SnapToTimecodeMinutes);
 856                 break;
 857         case Editing::SnapToTimecodeMinutes:
 858                 set_snap_to (Editing::SnapToSeconds);
 859                 break;
 860         case Editing::SnapToSeconds:
 861                 set_snap_to (Editing::SnapToMinutes);
 862                 break;
 863         case Editing::SnapToMinutes:
 864                 set_snap_to (Editing::SnapToBeatDiv32);
 865                 break;
 866         case Editing::SnapToBeatDiv32:
 867                 set_snap_to (Editing::SnapToBeatDiv28);
 868                 break;
 869         case Editing::SnapToBeatDiv28:
 870                 set_snap_to (Editing::SnapToBeatDiv24);
 871                 break;
 872         case Editing::SnapToBeatDiv24:
 873                 set_snap_to (Editing::SnapToBeatDiv20);
 874                 break;
 875         case Editing::SnapToBeatDiv20:
 876                 set_snap_to (Editing::SnapToBeatDiv16);
 877                 break;
 878         case Editing::SnapToBeatDiv16:
 879                 set_snap_to (Editing::SnapToBeatDiv14);
 880                 break;
 881         case Editing::SnapToBeatDiv14:
 882                 set_snap_to (Editing::SnapToBeatDiv12);
 883                 break;
 884         case Editing::SnapToBeatDiv12:
 885                 set_snap_to (Editing::SnapToBeatDiv10);
 886                 break;
 887         case Editing::SnapToBeatDiv10:
 888                 set_snap_to (Editing::SnapToBeatDiv8);
 889                 break;
 890         case Editing::SnapToBeatDiv8:
 891                 set_snap_to (Editing::SnapToBeatDiv7);
 892                 break;
 893         case Editing::SnapToBeatDiv7:
 894                 set_snap_to (Editing::SnapToBeatDiv6);
 895                 break;
 896         case Editing::SnapToBeatDiv6:
 897                 set_snap_to (Editing::SnapToBeatDiv5);
 898                 break;
 899         case Editing::SnapToBeatDiv5:
 900                 set_snap_to (Editing::SnapToBeatDiv4);
 901                 break;
 902         case Editing::SnapToBeatDiv4:
 903                 set_snap_to (Editing::SnapToBeatDiv3);
 904                 break;
 905         case Editing::SnapToBeatDiv3:
 906                 set_snap_to (Editing::SnapToBeatDiv2);
 907                 break;
 908         case Editing::SnapToBeatDiv2:
 909                 set_snap_to (Editing::SnapToBeat);
 910                 break;
 911         case Editing::SnapToBeat:
 912                 set_snap_to (Editing::SnapToBar);
 913                 break;
 914         case Editing::SnapToBar:
 915                 set_snap_to (Editing::SnapToMark);
 916                 break;
 917         case Editing::SnapToMark:
 918                 set_snap_to (Editing::SnapToRegionStart);
 919                 break;
 920         case Editing::SnapToRegionStart:
 921                 set_snap_to (Editing::SnapToRegionEnd);
 922                 break;
 923         case Editing::SnapToRegionEnd:
 924                 set_snap_to (Editing::SnapToRegionSync);
 925                 break;
 926         case Editing::SnapToRegionSync:
 927                 set_snap_to (Editing::SnapToRegionBoundary);
 928                 break;
 929         case Editing::SnapToRegionBoundary:
 930                 set_snap_to (Editing::SnapToCDFrame);
 931                 break;
 932         }
 933 }
 934
 935 void
 936 Editor::snap_type_chosen (SnapType type)
 937 {
 938         /* this is driven by a toggle on a radio group, and so is invoked twice,
 939            once for the item that became inactive and once for the one that became
 940            active.
 941         */
 942
 943         RefPtr<RadioAction> ract = snap_type_action (type);
 944
 945         if (ract && ract->get_active()) {
 946                 set_snap_to (type);
 947         }
 948 }
 949
 950 RefPtr<RadioAction>
 951 Editor::snap_mode_action (SnapMode mode)
 952 {
 953         const char* action = 0;
 954         RefPtr<Action> act;
 955
 956         switch (mode) {
 957         case Editing::SnapOff:
 958                 action = X_("snap-off");
 959                 break;
 960         case Editing::SnapNormal:
 961                 action = X_("snap-normal");
 962                 break;
 963         case Editing::SnapMagnetic:
 964                 action = X_("snap-magnetic");
 965                 break;
 966         default:
 967                 fatal << string_compose (_("programming error: %1: %2"), "Editor: impossible snap mode type", (int) mode) << endmsg;
 968                 /*NOTREACHED*/
 969         }
 970
 971         act = ActionManager::get_action (X_("Editor"), action);
 972
 973         if (act) {
 974                 RefPtr<RadioAction> ract = RefPtr<RadioAction>::cast_dynamic(act);
 975                 return ract;
 976
 977         } else  {
 978                 error << string_compose (_("programming error: %1: %2"), "Editor::snap_mode_chosen could not find action to match mode.", action) << endmsg;
 979                 return RefPtr<RadioAction> ();
 980         }
 981 }
 982
 983 void
 984 Editor::cycle_snap_mode ()
 985 {
 986         switch (_snap_mode) {
 987         case SnapOff:
 988                 set_snap_mode (SnapNormal);
 989                 break;
 990         case SnapNormal:
 991                 set_snap_mode (SnapMagnetic);
 992                 break;
 993         case SnapMagnetic:
 994                 set_snap_mode (SnapOff);
 995                 break;
 996         }
 997 }
 998
 999 void
1000 Editor::snap_mode_chosen (SnapMode mode)
1001 {
1002         /* this is driven by a toggle on a radio group, and so is invoked twice,
1003            once for the item that became inactive and once for the one that became
1004            active.
1005         */
1006
1007         RefPtr<RadioAction> ract = snap_mode_action (mode);
1008
1009         if (ract && ract->get_active()) {
1010                 set_snap_mode (mode);
1011         }
1012 }
1013
1014 RefPtr<RadioAction>
1015 Editor::edit_point_action (EditPoint ep)
1016 {
1017         const char* action = 0;
1018         RefPtr<Action> act;
1019
1020         switch (ep) {
1021         case Editing::EditAtPlayhead:
1022                 action = X_("edit-at-playhead");
1023                 break;
1024         case Editing::EditAtSelectedMarker:
1025                 action = X_("edit-at-selected-marker");
1026                 break;
1027         case Editing::EditAtMouse:
1028                 action = X_("edit-at-mouse");
1029                 break;
1030         default:
1031                 fatal << string_compose (_("programming error: %1: %2"), "Editor: impossible edit point type", (int) ep) << endmsg;
1032                 /*NOTREACHED*/
1033         }
1034
1035         act = ActionManager::get_action (X_("Editor"), action);
1036
1037         if (act) {
1038                 RefPtr<RadioAction> ract = RefPtr<RadioAction>::cast_dynamic(act);
1039                 return ract;
1040
1041         } else  {
1042                 error << string_compose (_("programming error: %1: %2"), "Editor::edit_point_action could not find action to match edit point.", action) << endmsg;
1043                 return RefPtr<RadioAction> ();
1044         }
1045 }
1046
1047 void
1048 Editor::edit_point_chosen (EditPoint ep)
1049 {
1050         /* this is driven by a toggle on a radio group, and so is invoked twice,
1051            once for the item that became inactive and once for the one that became
1052            active.
1053         */
1054
1055         RefPtr<RadioAction> ract = edit_point_action (ep);
1056
1057         if (ract && ract->get_active()) {
1058                 set_edit_point_preference (ep);
1059         }
1060 }
1061
1062
1063 RefPtr<RadioAction>
1064 Editor::zoom_focus_action (ZoomFocus focus)
1065 {
1066         const char* action = 0;
1067         RefPtr<Action> act;
1068
1069         switch (focus) {
1070         case ZoomFocusLeft:
1071                 action = X_("zoom-focus-left");
1072                 break;
1073         case ZoomFocusRight:
1074                 action = X_("zoom-focus-right");
1075                 break;
1076         case ZoomFocusCenter:
1077                 action = X_("zoom-focus-center");
1078                 break;
1079         case ZoomFocusPlayhead:
1080                 action = X_("zoom-focus-playhead");
1081                 break;
1082         case ZoomFocusMouse:
1083                 action = X_("zoom-focus-mouse");
1084                 break;
1085         case ZoomFocusEdit:
1086                 action = X_("zoom-focus-edit");
1087                 break;
1088         default:
1089                 fatal << string_compose (_("programming error: %1: %2"), "Editor: impossible focus type", (int) focus) << endmsg;
1090                 /*NOTREACHED*/
1091         }
1092
1093         act = ActionManager::get_action (X_("Zoom"), action);
1094
1095         if (act) {
1096                 RefPtr<RadioAction> ract = RefPtr<RadioAction>::cast_dynamic(act);
1097                 return ract;
1098         } else {
1099                 error << string_compose (_("programming error: %1: %2"), "Editor::zoom_focus_action could not find action to match focus.", action) << endmsg;
1100         }
1101
1102         return RefPtr<RadioAction> ();
1103 }
1104
1105 void
1106 Editor::zoom_focus_chosen (ZoomFocus focus)
1107 {
1108         /* this is driven by a toggle on a radio group, and so is invoked twice,
1109            once for the item that became inactive and once for the one that became
1110            active.
1111         */
1112
1113         RefPtr<RadioAction> ract = zoom_focus_action (focus);
1114
1115         if (ract && ract->get_active()) {
1116                 set_zoom_focus (focus);
1117         }
1118 }
1119
1120 /** A Configuration parameter has changed.
1121  * @param parameter_name Name of the changed parameter.
1122  */
1123 void
1124 Editor::parameter_changed (std::string p)
1125 {
1126         ENSURE_GUI_THREAD (*this, &Editor::parameter_changed, p)
1127
1128         if (p == "auto-loop") {
1129                 update_loop_range_view (true);
1130         } else if (p == "punch-in") {
1131                 update_punch_range_view (true);
1132         } else if (p == "punch-out") {
1133                 update_punch_range_view (true);
1134         } else if (p == "timecode-format") {
1135                 update_just_timecode ();
1136         } else if (p == "xfades-visible") {
1137                 update_xfade_visibility ();
1138         } else if (p == "show-region-fades") {
1139                 update_region_fade_visibility ();
1140         } else if (p == "edit-mode") {
1141                 edit_mode_selector.set_active_text (edit_mode_to_string (Config->get_edit_mode()));
1142         } else if (p == "subframes-per-frame") {
1143                 update_just_timecode ();
1144         } else if (p == "show-track-meters") {
1145                 toggle_meter_updating();
1146         } else if (p == "show-summary") {
1147
1148                 bool const s = _session->config.get_show_summary ();
1149                 if (s) {
1150                         _summary_hbox.show ();
1151                 } else {
1152                         _summary_hbox.hide ();
1153                 }
1154
1155                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleSummary"));
1156                 if (act) {
1157                         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic (act);
1158                         if (tact->get_active () != s) {
1159                                 tact->set_active (s);
1160                         }
1161                 }
1162         } else if (p == "show-group-tabs") {
1163
1164                 bool const s = _session->config.get_show_group_tabs ();
1165                 if (s) {
1166                         _group_tabs->show ();
1167                 } else {
1168                         _group_tabs->hide ();
1169                 }
1170
1171                 reset_controls_layout_width ();
1172
1173                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleGroupTabs"));
1174                 if (act) {
1175                         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic (act);
1176                         if (tact->get_active () != s) {
1177                                 tact->set_active (s);
1178                         }
1179                 }
1180         } else if (p == "timecode-offset" || p == "timecode-offset-negative") {
1181                 update_just_timecode ();
1182         } else if (p == "show-zoom-tools") {
1183                 _zoom_tearoff->set_visible (Config->get_show_zoom_tools(), true);
1184         }
1185 }
1186
1187 void
1188 Editor::reset_focus ()
1189 {
1190         track_canvas->grab_focus();
1191 }
1192
1193 void
1194 Editor::reset_canvas_action_sensitivity (bool onoff)
1195 {
1196         if (_edit_point != EditAtMouse) {
1197                 onoff = true;
1198         }
1199
1200         for (vector<Glib::RefPtr<Action> >::iterator x = ActionManager::mouse_edit_point_requires_canvas_actions.begin();
1201              x != ActionManager::mouse_edit_point_requires_canvas_actions.end(); ++x) {
1202                 (*x)->set_sensitive (onoff);
1203         }
1204 }
1205
1206 void
1207 Editor::toggle_internal_editing ()
1208 {
1209         Glib::RefPtr<Gtk::Action> act = ActionManager::get_action (X_("MouseMode"), X_("toggle-internal-edit"));
1210         if (act) {
1211                 Glib::RefPtr<Gtk::ToggleAction> tact = Glib::RefPtr<Gtk::ToggleAction>::cast_dynamic(act);
1212                 set_internal_edit (tact->get_active());
1213         }
1214 }
1215
1216
1217 void
1218 Editor::register_region_actions ()
1219 {
1220         _region_actions = ActionGroup::create (X_("Region"));
1221
1222         /* PART 1: actions that operate on the selection, and for which the edit point type and location is irrelevant */
1223
1224         /* Remove selected regions */
1225         reg_sens (_region_actions, "remove-region", _("Remove"), sigc::mem_fun (*this, &Editor::remove_selected_regions));
1226
1227         /* Offer dialogue box to rename the first selected region */
1228         reg_sens (_region_actions, "rename-region", _("Rename..."), sigc::mem_fun (*this, &Editor::rename_region));
1229
1230         /* Raise all selected regions by 1 layer */
1231         reg_sens (_region_actions, "raise-region", _("Raise"), sigc::mem_fun (*this, &Editor::raise_region));
1232
1233         /* Raise all selected regions to the top */
1234         reg_sens (_region_actions, "raise-region-to-top", _("Raise to Top"), sigc::mem_fun (*this, &Editor::raise_region_to_top));
1235
1236         /* Lower all selected regions by 1 layer */
1237         reg_sens (_region_actions, "lower-region", _("Lower"), sigc::mem_fun (*this, &Editor::lower_region));
1238
1239         /* Lower all selected regions to the bottom */
1240         reg_sens (_region_actions, "lower-region-to-bottom", _("Lower to Bottom"), sigc::mem_fun (*this, &Editor::lower_region_to_bottom));
1241
1242         /* Move selected regions to their original (`natural') position */
1243         reg_sens (_region_actions, "naturalize-region", _("Move to Original Position"), sigc::mem_fun (*this, &Editor::naturalize_region));
1244
1245         /* Toggle `locked' status of selected regions */
1246         toggle_reg_sens (_region_actions, "toggle-region-lock", _("Lock"), sigc::mem_fun(*this, &Editor::toggle_region_lock));
1247
1248         toggle_reg_sens (
1249                 _region_actions,
1250                 "toggle-region-lock-style",
1251                 _("Glue to Bars and Beats"),
1252                 sigc::mem_fun (*this, &Editor::toggle_region_lock_style)
1253                 );
1254
1255         /* Remove sync points from selected regions */
1256         reg_sens (_region_actions, "remove-region-sync", _("Remove Sync"), sigc::mem_fun(*this, &Editor::remove_region_sync));
1257
1258         /* Mute or unmute selected regions */
1259         toggle_reg_sens (_region_actions, "toggle-region-mute", _("Mute"), sigc::mem_fun(*this, &Editor::toggle_region_mute));
1260
1261         /* Open the normalize dialogue to operate on the selected regions */
1262         reg_sens (_region_actions, "normalize-region", _("Normalize..."), sigc::mem_fun(*this, &Editor::normalize_region));
1263
1264         /* Reverse selected regions */
1265         reg_sens (_region_actions, "reverse-region", _("Reverse"), sigc::mem_fun (*this, &Editor::reverse_region));
1266
1267         /* Split selected multi-channel regions into mono regions */
1268         reg_sens (_region_actions, "split-multichannel-region", _("Make Mono Regions"), sigc::mem_fun (*this, &Editor::split_multichannel_region));
1269
1270         /* Boost selected region gain */
1271         reg_sens (_region_actions, "boost-region-gain", _("Boost Gain"), sigc::bind (sigc::mem_fun(*this, &Editor::adjust_region_gain), true));
1272
1273         /* Cut selected region gain */
1274         reg_sens (_region_actions, "cut-region-gain", _("Cut Gain"), sigc::bind (sigc::mem_fun(*this, &Editor::adjust_region_gain), false));
1275
1276         /* Open the pitch shift dialogue for any selected audio regions */
1277         reg_sens (_region_actions, "pitch-shift-region", _("Pitch Shift..."), sigc::mem_fun (*this, &Editor::pitch_shift_region));
1278
1279         /* Open the transpose dialogue for any selected MIDI regions */
1280         reg_sens (_region_actions, "transpose-region", _("Transpose..."), sigc::mem_fun (*this, &Editor::transpose_region));
1281
1282         /* Toggle selected region opacity */
1283         toggle_reg_sens (_region_actions, "toggle-opaque-region", _("Opaque"), sigc::mem_fun (*this, &Editor::toggle_opaque_region));
1284
1285         /* Toggle active status of selected regions' fade in */
1286         toggle_reg_sens (
1287                 _region_actions, "toggle-region-fade-in", _("Fade In"), sigc::bind (sigc::mem_fun (*this, &Editor::toggle_region_fades), 1)
1288                 );
1289
1290         /* Toggle active status of selected regions' fade out */
1291         toggle_reg_sens (
1292                 _region_actions, "toggle-region-fade-out", _("Fade Out"), sigc::bind (sigc::mem_fun(*this, &Editor::toggle_region_fades), -1)
1293                 );
1294
1295         /* Toggle active status of selected regions' fade in and out */
1296         toggle_reg_sens (
1297                 _region_actions, "toggle-region-fades", _("Fades"), sigc::bind (sigc::mem_fun(*this, &Editor::toggle_region_fades), 0)
1298                 );
1299
1300         /* Open the dialogue to duplicate selected regions */
1301         reg_sens (_region_actions, "duplicate-region", _("Duplicate"), sigc::bind (sigc::mem_fun (*this, &Editor::duplicate_dialog), false));
1302
1303         /* Open the dialogue to duplicate selected regions multiple times */
1304         reg_sens (
1305                 _region_actions,
1306                 "multi-duplicate-region",
1307                 _("Multi-Duplicate..."),
1308                 sigc::bind (sigc::mem_fun(*this, &Editor::duplicate_dialog), true)
1309                 );
1310
1311         /* Fill tracks with selected regions */
1312         reg_sens (_region_actions, "region-fill-track", _("Fill Track"), sigc::mem_fun (*this, &Editor::region_fill_track));
1313
1314         /* Set up the loop range from the selected regions */
1315         reg_sens (
1316                 _region_actions, "set-loop-from-region", _("Set Loop Range"), sigc::bind (sigc::mem_fun (*this, &Editor::set_loop_from_region), false)
1317                 );
1318
1319         /* Set up the loop range from the selected regions, and start playback of it */
1320         reg_sens (_region_actions, "loop-region", _("Loop"), sigc::bind  (sigc::mem_fun(*this, &Editor::set_loop_from_region), true));
1321
1322         /* Set the punch range from the selected regions */
1323         reg_sens (_region_actions, "set-punch-from-region", _("Set Punch"), sigc::mem_fun (*this, &Editor::set_punch_from_region));
1324
1325         /* Add a single range marker around all selected regions */
1326         reg_sens (
1327                 _region_actions, "add-range-marker-from-region", _("Add 1 Range Marker"), sigc::mem_fun (*this, &Editor::add_location_from_region)
1328                 );
1329
1330         /* Add a range marker around each selected region */
1331         reg_sens (
1332                 _region_actions, "add-range-markers-from-region", _("Add Range Marker(s)"), sigc::mem_fun (*this, &Editor::add_locations_from_region)
1333                 );
1334
1335         /* Snap selected regions to the grid */
1336         reg_sens (_region_actions, "snap-regions-to-grid", _("Snap to Grid"), sigc::mem_fun (*this, &Editor::snap_regions_to_grid));
1337
1338         /* Close gaps in selected regions */
1339         reg_sens (_region_actions, "close-region-gaps", _("Close Gaps"), sigc::mem_fun (*this, &Editor::close_region_gaps));
1340
1341         /* Open the Rhythm Ferret dialogue for the selected regions */
1342         reg_sens (_region_actions, "show-rhythm-ferret", _("Rhythm Ferret..."), sigc::mem_fun (*this, &Editor::show_rhythm_ferret));
1343
1344         /* Export the first selected region */
1345         reg_sens (_region_actions, "export-region", _("Export..."), sigc::mem_fun (*this, &Editor::export_region));
1346
1347         /* Separate under selected regions: XXX not sure what this does */
1348         reg_sens (
1349                 _region_actions,
1350                 "separate-under-region",
1351                 _("Separate Under"),
1352                 sigc::mem_fun (*this, &Editor::separate_under_selected_regions)
1353                 );
1354
1355         reg_sens (_region_actions, "set-fade-in-length", _("Set Fade In Length"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_length), true));
1356         reg_sens (_region_actions, "set-fade-out-length", _("Set Fade Out Length"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_length), false));
1357         reg_sens (_region_actions, "set-tempo-from-region", _("Set Tempo from Region = Bar"), sigc::mem_fun (*this, &Editor::set_tempo_from_region));
1358
1359         reg_sens (
1360                 _region_actions,
1361                 "split-region-at-transients",
1362                 _("Split at Percussion Onsets"),
1363                 sigc::mem_fun(*this, &Editor::split_region_at_transients)
1364                 );
1365
1366         /* Open the list editor dialogue for the selected regions */
1367         reg_sens (_region_actions, "show-region-list-editor", _("List Editor..."), sigc::mem_fun (*this, &Editor::show_midi_list_editor));
1368
1369         /* Open the region properties dialogue for the selected regions */
1370         reg_sens (_region_actions, "show-region-properties", _("Properties..."), sigc::mem_fun (*this, &Editor::show_region_properties));
1371
1372         reg_sens (_region_actions, "play-selected-regions", _("Play"), sigc::mem_fun(*this, &Editor::play_selected_region));
1373
1374         reg_sens (_region_actions, "bounce-region", _("Bounce"), sigc::mem_fun (*this, &Editor::bounce_region_selection));
1375         reg_sens (_region_actions, "combine-regions", _("Combine"), sigc::mem_fun (*this, &Editor::combine_regions));
1376         reg_sens (_region_actions, "uncombine-regions", _("Uncombine"), sigc::mem_fun (*this, &Editor::uncombine_regions));
1377
1378         reg_sens (_region_actions, "analyze-region", _("Spectral Analysis..."), sigc::mem_fun (*this, &Editor::analyze_region_selection));
1379
1380         reg_sens (_region_actions, "reset-region-gain-envelopes", _("Reset Envelope"), sigc::mem_fun (*this, &Editor::reset_region_gain_envelopes));
1381
1382         reg_sens (_region_actions, "reset-region-scale-amplitude", _("Reset Gain"), sigc::mem_fun (*this, &Editor::reset_region_scale_amplitude));
1383
1384         toggle_reg_sens (
1385                 _region_actions,
1386                 "toggle-region-gain-envelope-visible",
1387                 _("Envelope Visible"),
1388                 sigc::mem_fun (*this, &Editor::toggle_gain_envelope_visibility)
1389                 );
1390
1391         toggle_reg_sens (
1392                 _region_actions,
1393                 "toggle-region-gain-envelope-active",
1394                 _("Envelope Active"),
1395                 sigc::mem_fun (*this, &Editor::toggle_gain_envelope_active)
1396                 );
1397
1398         reg_sens (_region_actions, "quantize-region", _("Quantize"), sigc::mem_fun (*this, &Editor::quantize_region));
1399         reg_sens (_region_actions, "insert-patch-change", _("Insert Patch Change..."), sigc::mem_fun (*this, &Editor::insert_patch_change));
1400         reg_sens (_region_actions, "fork-region", _("Fork"), sigc::mem_fun (*this, &Editor::fork_region));
1401         reg_sens (_region_actions, "strip-region-silence", _("Strip Silence..."), sigc::mem_fun (*this, &Editor::strip_region_silence));
1402         reg_sens (_region_actions, "set-selection-from-region", _("Set Range Selection"), sigc::mem_fun (*this, &Editor::set_selection_from_region));
1403
1404         reg_sens (_region_actions, "nudge-forward", _("Nudge Forward"), sigc::bind (sigc::mem_fun (*this, &Editor::nudge_forward), false, false));
1405         reg_sens (_region_actions, "nudge-backward", _("Nudge Backward"), sigc::bind (sigc::mem_fun (*this, &Editor::nudge_backward), false, false));
1406
1407         reg_sens (
1408                 _region_actions,
1409                 "nudge-forward-by-capture-offset",
1410                 _("Nudge Forward by Capture Offset"),
1411                 sigc::mem_fun (*this, &Editor::nudge_forward_capture_offset)
1412                 );
1413
1414         reg_sens (
1415                 _region_actions,
1416                 "nudge-backward-by-capture-offset",
1417                 _("Nudge Backward by Capture Offset"),
1418                 sigc::mem_fun (*this, &Editor::nudge_backward_capture_offset)
1419                 );
1420
1421         reg_sens (_region_actions, "trim-region-to-loop", _("Trim to Loop"), sigc::mem_fun (*this, &Editor::trim_region_to_loop));
1422         reg_sens (_region_actions, "trim-region-to-punch", _("Trim to Punch"), sigc::mem_fun (*this, &Editor::trim_region_to_punch));
1423
1424         reg_sens (_region_actions, "trim-to-previous-region", _("Trim to Previous"), sigc::mem_fun(*this, &Editor::trim_region_to_previous_region_end));
1425         reg_sens (_region_actions, "trim-to-next-region", _("Trim to Next"), sigc::mem_fun(*this, &Editor::trim_region_to_next_region_start));
1426
1427         /* PART 2: actions that are not related to the selection, but for which the edit point type and location is important */
1428
1429         reg_sens (
1430                 _region_actions,
1431                 "insert-region-from-region-list",
1432                 _("Insert Region From Region List"),
1433                 sigc::bind (sigc::mem_fun (*this, &Editor::insert_region_list_selection), 1)
1434                 );
1435
1436         /* PART 3: actions that operate on the selection and also require the edit point location */
1437
1438         reg_sens (_region_actions, "set-region-sync-position", _("Set Sync Position"), sigc::mem_fun (*this, &Editor::set_region_sync_position));
1439         reg_sens (_region_actions, "place-transient", _("Place Transient"), sigc::mem_fun (*this, &Editor::place_transient));
1440         reg_sens (_region_actions, "split-region", _("Split"), sigc::mem_fun (*this, &Editor::split_region));
1441         reg_sens (_region_actions, "trim-front", _("Trim Start at Edit Point"), sigc::mem_fun (*this, &Editor::trim_region_front));
1442         reg_sens (_region_actions, "trim-back", _("Trim End at Edit Point"), sigc::mem_fun (*this, &Editor::trim_region_back));
1443
1444         reg_sens (
1445                 _region_actions,
1446                 "align-regions-start",
1447                 _("Align Start"),
1448                 sigc::bind (sigc::mem_fun(*this, &Editor::align_regions), ARDOUR::Start)
1449                 );
1450
1451         reg_sens (
1452                 _region_actions,
1453                 "align-regions-start-relative",
1454                 _("Align Start Relative"),
1455                 sigc::bind (sigc::mem_fun (*this, &Editor::align_regions_relative), ARDOUR::Start)
1456                 );
1457
1458         reg_sens (_region_actions, "align-regions-end", _("Align End"), sigc::bind (sigc::mem_fun (*this, &Editor::align_regions), ARDOUR::End));
1459
1460         reg_sens (
1461                 _region_actions,
1462                 "align-regions-end-relative",
1463                 _("Align End Relative"),
1464                 sigc::bind (sigc::mem_fun(*this, &Editor::align_regions_relative), ARDOUR::End)
1465                 );
1466
1467         reg_sens (
1468                 _region_actions,
1469                 "align-regions-sync",
1470                 _("Align Sync"),
1471                 sigc::bind (sigc::mem_fun(*this, &Editor::align_regions), ARDOUR::SyncPoint)
1472                 );
1473
1474         reg_sens (
1475                 _region_actions,
1476                 "align-regions-sync-relative",
1477                 _("Align Sync Relative"),
1478                 sigc::bind (sigc::mem_fun (*this, &Editor::align_regions_relative), ARDOUR::SyncPoint)
1479                 );
1480
1481         Glib::RefPtr<Action> a = reg_sens (_region_actions, "choose-top-region", _("Choose Top..."), mem_fun (*this, &Editor::change_region_layering_order));
1482         a->set_accel_group (get_accel_group ());
1483
1484         _all_region_actions_sensitized = true;
1485
1486         ActionManager::add_action_group (_region_actions);
1487 }