add set-session-extents-from-edit-range

gtk2_ardour/editor.cc

@@ -1845,6 +1845,7 @@ Editor::add_selection_context_items (Menu_Helpers::MenuList& edit_items)
 	edit_items.push_back (SeparatorElem());
 	edit_items.push_back (MenuElem (_("Set Loop from Range"), sigc::bind (sigc::mem_fun(*this, &Editor::set_loop_from_selection), false)));
 	edit_items.push_back (MenuElem (_("Set Punch from Range"), sigc::mem_fun(*this, &Editor::set_punch_from_selection)));
+	edit_items.push_back (MenuElem (_("Set Session Start/End from Range"), sigc::mem_fun(*this, &Editor::set_session_extents_from_selection)));
 
 	edit_items.push_back (SeparatorElem());
 	edit_items.push_back (MenuElem (_("Add Range Markers"), sigc::mem_fun (*this, &Editor::add_location_from_selection)));

gtk2_ardour/editor.h

@@ -1347,6 +1347,8 @@ class Editor : public PublicEditor, public PBD::ScopedConnectionList, public ARD
 	void set_punch_from_selection ();
 	void set_punch_from_region ();
 
+	void set_session_extents_from_selection ();
+
 	void set_loop_from_edit_range (bool play);
 	void set_loop_from_region (bool play);
 	void set_punch_from_edit_range ();

gtk2_ardour/editor_actions.cc

@@ -299,6 +299,7 @@ Editor::register_actions ()
 
 	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));
 	reg_sens (editor_actions, "set-punch-from-edit-range", _("Set Punch from Edit Range"), sigc::mem_fun(*this, &Editor::set_punch_from_edit_range));
+	reg_sens (editor_actions, "set-session-from-edit-range", _("Set Session Start/End from Edit Range"), sigc::mem_fun(*this, &Editor::set_session_extents_from_selection));
 
 	/* this is a duplicated action so that the main menu can use a different label */
 	reg_sens (editor_actions, "main-menu-play-selected-regions", _("Play Selected Regions"), sigc::mem_fun (*this, &Editor::play_selected_region));

gtk2_ardour/editor_ops.cc

@@ -5901,6 +5901,34 @@ Editor::set_punch_from_selection ()
 	set_punch_range (start, end,  _("set punch range from selection"));
 }
 
+void
+Editor::set_session_extents_from_selection ()
+{
+	if (_session == 0 || selection->time.empty()) {
+		return;
+	}
+
+	begin_reversible_command (_("set session start/stop from selection"));
+
+	framepos_t start = selection->time[clicked_selection].start;
+	framepos_t end = selection->time[clicked_selection].end;
+
+	Location* loc;
+	if ((loc = _session->locations()->session_range_location()) == 0) {
+		_session->set_session_extents ( start, end );  // this will create a new session range;  no need for UNDO
+	} else {
+		XMLNode &before = loc->get_state();
+
+		_session->set_session_extents ( start, end );
+
+		XMLNode &after = loc->get_state();
+
+		_session->add_command (new MementoCommand<Location>(*loc, &before, &after));
+
+		commit_reversible_command ();
+	}
+}
+
 void
 Editor::set_punch_from_edit_range ()
 {

libs/ardour/ardour/session.h

@@ -384,6 +384,7 @@ class LIBARDOUR_API Session : public PBD::StatefulDestructible, public PBD::Scop
 
 	void set_auto_punch_location (Location *);
 	void set_auto_loop_location (Location *);
+	void set_session_extents (framepos_t start, framepos_t end);
 	int location_name(std::string& result, std::string base = std::string(""));
 
 	pframes_t get_block_size()        const { return current_block_size; }

libs/ardour/session.cc

@@ -1246,6 +1246,25 @@ Session::set_auto_punch_location (Location* location)
 	auto_punch_location_changed (location);
 }
 
+void
+Session::set_session_extents (framepos_t start, framepos_t end)
+{
+	Location* existing;
+	if ((existing = _locations->session_range_location()) == 0) {
+		//if there is no existing session, we need to make a new session location  (should never happen)
+		existing = new Location (*this, 0, 0, _("session"), Location::IsSessionRange);
+	}
+	
+	if (end <= start) {
+		error << _("Session: you can't use that location for session start/end)") << endmsg;
+		return;
+	}
+
+	existing->set( start, end );
+	
+	set_dirty();
+}
+
 void
 Session::set_auto_loop_location (Location* location)
 {