new trim cursors from chrisg, fix up hotspots for said cursors, make Editor cursors...
[ardour.git] / gtk2_ardour / location_ui.cc
index d5448e7f71d4ba240e38d4ac689182cd7e442453..5a2e11038c482c87c8a4e88c5baecd945b3fe509 100644 (file)
@@ -21,7 +21,6 @@
 #include <cstdlib>
 
 #include <gtkmm2ext/utils.h>
-#include <gtkmm2ext/stop_signal.h>
 
 #include "ardour/utils.h"
 #include "ardour/configuration.h"
@@ -44,11 +43,12 @@ using namespace Gtk;
 using namespace Gtkmm2ext;
 
 LocationEditRow::LocationEditRow(Session * sess, Location * loc, int32_t num)
-       : location(0), session(0),
+       : SessionHandlePtr (0), /* explicitly set below */
+         location(0), 
          item_table (1, 6, false),
-         start_clock (X_("locationstart"), true, X_("LocationEditRowClock"), true),
-         end_clock (X_("locationend"), true, X_("LocationEditRowClock"), true),
-         length_clock (X_("locationlength"), true, X_("LocationEditRowClock"), true, true),
+         start_clock (X_("locationstart"), true, X_("LocationEditRowClock"), true, false),
+         end_clock (X_("locationend"), true, X_("LocationEditRowClock"), true, false),
+         length_clock (X_("locationlength"), true, X_("LocationEditRowClock"), true, false, true),
          cd_check_button (_("CD")),
          hide_check_button (_("Hide")),
          scms_check_button (_("SCMS")),
@@ -95,6 +95,8 @@ LocationEditRow::LocationEditRow(Session * sess, Location * loc, int32_t num)
        composer_entry.set_size_request (100, -1);
        composer_entry.set_editable (true);
 
+       name_label.set_alignment (0, 0.5);
+
        cd_track_details_hbox.pack_start (isrc_label, false, false);
        cd_track_details_hbox.pack_start (isrc_entry, false, false);
        cd_track_details_hbox.pack_start (scms_check_button, false, false);
@@ -104,11 +106,11 @@ LocationEditRow::LocationEditRow(Session * sess, Location * loc, int32_t num)
        cd_track_details_hbox.pack_start (composer_label, false, false);
        cd_track_details_hbox.pack_start (composer_entry, true, true);
 
-       isrc_entry.signal_changed().connect (mem_fun(*this, &LocationEditRow::isrc_entry_changed));
-       performer_entry.signal_changed().connect (mem_fun(*this, &LocationEditRow::performer_entry_changed));
-       composer_entry.signal_changed().connect (mem_fun(*this, &LocationEditRow::composer_entry_changed));
-       scms_check_button.signal_toggled().connect(mem_fun(*this, &LocationEditRow::scms_toggled));
-       preemph_check_button.signal_toggled().connect(mem_fun(*this, &LocationEditRow::preemph_toggled));
+       isrc_entry.signal_changed().connect (sigc::mem_fun(*this, &LocationEditRow::isrc_entry_changed));
+       performer_entry.signal_changed().connect (sigc::mem_fun(*this, &LocationEditRow::performer_entry_changed));
+       composer_entry.signal_changed().connect (sigc::mem_fun(*this, &LocationEditRow::composer_entry_changed));
+       scms_check_button.signal_toggled().connect(sigc::mem_fun(*this, &LocationEditRow::scms_toggled));
+       preemph_check_button.signal_toggled().connect(sigc::mem_fun(*this, &LocationEditRow::preemph_toggled));
 
        set_session (sess);
 
@@ -119,24 +121,24 @@ LocationEditRow::LocationEditRow(Session * sess, Location * loc, int32_t num)
 
        item_table.attach (start_hbox, 1, 2, 0, 1, FILL, FILL, 4, 0);
 
-       start_go_button.signal_clicked().connect(bind (mem_fun (*this, &LocationEditRow::go_button_pressed), LocStart));
-       start_clock.ValueChanged.connect (bind (mem_fun (*this, &LocationEditRow::clock_changed), LocStart));
-       start_clock.ChangeAborted.connect (bind (mem_fun (*this, &LocationEditRow::change_aborted), LocStart));
+       start_go_button.signal_clicked().connect(sigc::bind (sigc::mem_fun (*this, &LocationEditRow::go_button_pressed), LocStart));
+       start_clock.ValueChanged.connect (sigc::bind (sigc::mem_fun (*this, &LocationEditRow::clock_changed), LocStart));
+       start_clock.ChangeAborted.connect (sigc::bind (sigc::mem_fun (*this, &LocationEditRow::change_aborted), LocStart));
 
        // end_hbox.pack_start (end_go_button, false, false);
        end_hbox.pack_start (end_clock, false, false);
 
-       end_go_button.signal_clicked().connect(bind (mem_fun (*this, &LocationEditRow::go_button_pressed), LocEnd));
-       end_clock.ValueChanged.connect (bind (mem_fun (*this, &LocationEditRow::clock_changed), LocEnd));
-       end_clock.ChangeAborted.connect (bind (mem_fun (*this, &LocationEditRow::change_aborted), LocEnd));
+       end_go_button.signal_clicked().connect(sigc::bind (sigc::mem_fun (*this, &LocationEditRow::go_button_pressed), LocEnd));
+       end_clock.ValueChanged.connect (sigc::bind (sigc::mem_fun (*this, &LocationEditRow::clock_changed), LocEnd));
+       end_clock.ChangeAborted.connect (sigc::bind (sigc::mem_fun (*this, &LocationEditRow::change_aborted), LocEnd));
 
-       length_clock.ValueChanged.connect (bind ( mem_fun(*this, &LocationEditRow::clock_changed), LocLength));
-       length_clock.ChangeAborted.connect (bind (mem_fun (*this, &LocationEditRow::change_aborted), LocLength));
+       length_clock.ValueChanged.connect (sigc::bind ( sigc::mem_fun(*this, &LocationEditRow::clock_changed), LocLength));
+       length_clock.ChangeAborted.connect (sigc::bind (sigc::mem_fun (*this, &LocationEditRow::change_aborted), LocLength));
 
-       cd_check_button.signal_toggled().connect(mem_fun(*this, &LocationEditRow::cd_toggled));
-       hide_check_button.signal_toggled().connect(mem_fun(*this, &LocationEditRow::hide_toggled));
+       cd_check_button.signal_toggled().connect(sigc::mem_fun(*this, &LocationEditRow::cd_toggled));
+       hide_check_button.signal_toggled().connect(sigc::mem_fun(*this, &LocationEditRow::hide_toggled));
 
-       remove_button.signal_clicked().connect(mem_fun(*this, &LocationEditRow::remove_button_pressed));
+       remove_button.signal_clicked().connect(sigc::mem_fun(*this, &LocationEditRow::remove_button_pressed));
 
        pack_start(item_table, true, true);
 
@@ -147,24 +149,22 @@ LocationEditRow::LocationEditRow(Session * sess, Location * loc, int32_t num)
 LocationEditRow::~LocationEditRow()
 {
        if (location) {
-               start_changed_connection.disconnect();
-               end_changed_connection.disconnect();
-               name_changed_connection.disconnect();
-               changed_connection.disconnect();
-               flags_changed_connection.disconnect();
+               connections.drop_connections ();
        }
 }
 
 void
 LocationEditRow::set_session (Session *sess)
 {
-       session = sess;
+       SessionHandlePtr::set_session (sess);
 
-       if (!session) return;
+       if (!_session) { 
+               return;
+       }
 
-       start_clock.set_session (session);
-       end_clock.set_session (session);
-       length_clock.set_session (session);
+       start_clock.set_session (_session);
+       end_clock.set_session (_session);
+       length_clock.set_session (_session);
 
 }
 
@@ -182,11 +182,7 @@ void
 LocationEditRow::set_location (Location *loc)
 {
        if (location) {
-               start_changed_connection.disconnect();
-               end_changed_connection.disconnect();
-               name_changed_connection.disconnect();
-               changed_connection.disconnect();
-               flags_changed_connection.disconnect();
+               connections.drop_connections ();
        }
 
        location = loc;
@@ -215,7 +211,7 @@ LocationEditRow::set_location (Location *loc)
                name_entry.set_text (location->name());
                name_entry.set_size_request (100, -1);
                name_entry.set_editable (true);
-               name_entry.signal_changed().connect (mem_fun(*this, &LocationEditRow::name_entry_changed));
+               name_entry.signal_changed().connect (sigc::mem_fun(*this, &LocationEditRow::name_entry_changed));
 
                if (!name_entry.get_parent()) {
                        item_table.attach (name_entry, 0, 1, 0, 1, FILL | EXPAND, FILL, 4, 0);
@@ -229,14 +225,14 @@ LocationEditRow::set_location (Location *loc)
                        item_table.attach (remove_button, 6, 7, 0, 1, FILL, FILL, 4, 0);
                }
 
-               if (location->is_end() || location->is_start()) {
+               if (location->is_session_range()) {
                        remove_button.set_sensitive (false);
                }
 
                cd_check_button.set_active (location->is_cd_marker());
                cd_check_button.show();
 
-               if (location->start() == session->current_start_frame()) {
+               if (location->start() == _session->current_start_frame()) {
                        cd_check_button.set_sensitive (false);
                } else {
                        cd_check_button.set_sensitive (true);
@@ -263,18 +259,18 @@ LocationEditRow::set_location (Location *loc)
                end_clock.show();
                length_clock.show();
 
-               ARDOUR_UI::instance()->tooltips().set_tip (end_go_button, _("Jump to the end of this range"));
-               ARDOUR_UI::instance()->tooltips().set_tip (start_go_button, _("Jump to the start of this range"));
-               ARDOUR_UI::instance()->tooltips().set_tip (remove_button, _("Forget this range"));
-               ARDOUR_UI::instance()->tooltips().set_tip (start_clock, _("Start time"));
-               ARDOUR_UI::instance()->tooltips().set_tip (end_clock, _("End time"));
-               ARDOUR_UI::instance()->tooltips().set_tip (length_clock, _("Length"));
+               ARDOUR_UI::instance()->set_tip (end_go_button, _("Jump to the end of this range"));
+               ARDOUR_UI::instance()->set_tip (start_go_button, _("Jump to the start of this range"));
+               ARDOUR_UI::instance()->set_tip (remove_button, _("Forget this range"));
+               ARDOUR_UI::instance()->set_tip (start_clock, _("Start time"));
+               ARDOUR_UI::instance()->set_tip (end_clock, _("End time"));
+               ARDOUR_UI::instance()->set_tip (length_clock, _("Length"));
 
        } else {
 
-               ARDOUR_UI::instance()->tooltips().set_tip (start_go_button, _("Jump to this marker"));
-               ARDOUR_UI::instance()->tooltips().set_tip (remove_button, _("Forget this marker"));
-               ARDOUR_UI::instance()->tooltips().set_tip (start_clock, _("Position"));
+               ARDOUR_UI::instance()->set_tip (start_go_button, _("Jump to this marker"));
+               ARDOUR_UI::instance()->set_tip (remove_button, _("Forget this marker"));
+               ARDOUR_UI::instance()->set_tip (start_clock, _("Position"));
 
                end_go_button.hide();
                end_clock.hide();
@@ -285,17 +281,17 @@ LocationEditRow::set_location (Location *loc)
        end_clock.set_sensitive (!location->locked());
        length_clock.set_sensitive (!location->locked());
 
-       start_changed_connection = location->start_changed.connect (mem_fun(*this, &LocationEditRow::start_changed));
-       end_changed_connection = location->end_changed.connect (mem_fun(*this, &LocationEditRow::end_changed));
-       name_changed_connection = location->name_changed.connect (mem_fun(*this, &LocationEditRow::name_changed));
-       changed_connection = location->changed.connect (mem_fun(*this, &LocationEditRow::location_changed));
-       flags_changed_connection = location->FlagsChanged.connect (mem_fun(*this, &LocationEditRow::flags_changed));
+       location->start_changed.connect (connections, invalidator (*this), ui_bind (&LocationEditRow::start_changed, this, _1), gui_context());
+       location->end_changed.connect (connections, invalidator (*this), ui_bind (&LocationEditRow::end_changed, this, _1), gui_context());
+       location->name_changed.connect (connections, invalidator (*this), ui_bind (&LocationEditRow::name_changed, this, _1), gui_context());
+       location->changed.connect (connections, invalidator (*this), ui_bind (&LocationEditRow::location_changed, this, _1), gui_context());
+       location->FlagsChanged.connect (connections, invalidator (*this), ui_bind (&LocationEditRow::flags_changed, this, _1, _2), gui_context());
 }
 
 void
 LocationEditRow::name_entry_changed ()
 {
-       ENSURE_GUI_THREAD(mem_fun(*this, &LocationEditRow::name_entry_changed));
+       ENSURE_GUI_THREAD (*this, &LocationEditRow::name_entry_changed)
        if (i_am_the_modifier || !location) return;
 
        location->set_name (name_entry.get_text());
@@ -305,7 +301,7 @@ LocationEditRow::name_entry_changed ()
 void
 LocationEditRow::isrc_entry_changed ()
 {
-       ENSURE_GUI_THREAD(mem_fun(*this, &LocationEditRow::isrc_entry_changed));
+       ENSURE_GUI_THREAD (*this, &LocationEditRow::isrc_entry_changed)
 
        if (i_am_the_modifier || !location) return;
 
@@ -321,7 +317,7 @@ LocationEditRow::isrc_entry_changed ()
 void
 LocationEditRow::performer_entry_changed ()
 {
-       ENSURE_GUI_THREAD(mem_fun(*this, &LocationEditRow::performer_entry_changed));
+       ENSURE_GUI_THREAD (*this, &LocationEditRow::performer_entry_changed)
 
        if (i_am_the_modifier || !location) return;
 
@@ -335,7 +331,7 @@ LocationEditRow::performer_entry_changed ()
 void
 LocationEditRow::composer_entry_changed ()
 {
-       ENSURE_GUI_THREAD(mem_fun(*this, &LocationEditRow::composer_entry_changed));
+       ENSURE_GUI_THREAD (*this, &LocationEditRow::composer_entry_changed)
 
        if (i_am_the_modifier || !location) return;
 
@@ -404,7 +400,7 @@ LocationEditRow::cd_toggled ()
        //}
 
        if (cd_check_button.get_active()) {
-               if (location->start() <= session->current_start_frame()) {
+               if (location->start() <= _session->current_start_frame()) {
                        error << _("You cannot put a CD marker at the start of the session") << endmsg;
                        cd_check_button.set_active (false);
                        return;
@@ -491,7 +487,7 @@ LocationEditRow::preemph_toggled ()
 void
 LocationEditRow::end_changed (ARDOUR::Location *loc)
 {
-       ENSURE_GUI_THREAD(bind (mem_fun(*this, &LocationEditRow::end_changed), loc));
+       ENSURE_GUI_THREAD (*this, &LocationEditRow::end_changed, loc)
 
        if (!location) return;
 
@@ -507,7 +503,7 @@ LocationEditRow::end_changed (ARDOUR::Location *loc)
 void
 LocationEditRow::start_changed (ARDOUR::Location *loc)
 {
-       ENSURE_GUI_THREAD(bind (mem_fun(*this, &LocationEditRow::start_changed), loc));
+       ENSURE_GUI_THREAD (*this, &LocationEditRow::start_changed, loc)
 
        if (!location) return;
 
@@ -516,7 +512,7 @@ LocationEditRow::start_changed (ARDOUR::Location *loc)
 
        start_clock.set (location->start());
 
-       if (location->start() == session->current_start_frame()) {
+       if (location->start() == _session->current_start_frame()) {
                cd_check_button.set_sensitive (false);
        } else {
                cd_check_button.set_sensitive (true);
@@ -528,7 +524,7 @@ LocationEditRow::start_changed (ARDOUR::Location *loc)
 void
 LocationEditRow::name_changed (ARDOUR::Location *loc)
 {
-       ENSURE_GUI_THREAD(bind (mem_fun(*this, &LocationEditRow::name_changed), loc));
+       ENSURE_GUI_THREAD (*this, &LocationEditRow::name_changed, loc)
 
        if (!location) return;
 
@@ -545,7 +541,7 @@ LocationEditRow::name_changed (ARDOUR::Location *loc)
 void
 LocationEditRow::location_changed (ARDOUR::Location *loc)
 {
-       ENSURE_GUI_THREAD(bind (mem_fun(*this, &LocationEditRow::location_changed), loc));
+       ENSURE_GUI_THREAD (*this, &LocationEditRow::location_changed, loc)
 
        if (!location) return;
 
@@ -566,7 +562,7 @@ LocationEditRow::location_changed (ARDOUR::Location *loc)
 void
 LocationEditRow::flags_changed (ARDOUR::Location *loc, void *src)
 {
-       ENSURE_GUI_THREAD(bind (mem_fun(*this, &LocationEditRow::flags_changed), loc, src));
+       ENSURE_GUI_THREAD (*this, &LocationEditRow::flags_changed, loc, src)
 
        if (!location) return;
 
@@ -585,8 +581,7 @@ LocationEditRow::focus_name() {
 
 
 LocationUI::LocationUI ()
-       : session (0)
-       , add_location_button (_("New Location"))
+       : add_location_button (_("New Marker"))
        , add_range_button (_("New Range"))
 {
        i_am_the_modifier = 0;
@@ -657,8 +652,8 @@ LocationUI::LocationUI ()
 
        pack_start (location_vpacker, true, true);
 
-       add_location_button.signal_clicked().connect (mem_fun(*this, &LocationUI::add_new_location));
-       add_range_button.signal_clicked().connect (mem_fun(*this, &LocationUI::add_new_range));
+       add_location_button.signal_clicked().connect (sigc::mem_fun(*this, &LocationUI::add_new_location));
+       add_range_button.signal_clicked().connect (sigc::mem_fun(*this, &LocationUI::add_new_range));
        
        show_all ();
 }
@@ -675,16 +670,16 @@ LocationUI::do_location_remove (ARDOUR::Location *loc)
           cannot be removed.
        */
 
-       if (loc->is_end()) {
+       if (loc->is_session_range()) {
                return FALSE;
        }
 
-       session->begin_reversible_command (_("remove marker"));
-       XMLNode &before = session->locations()->get_state();
-       session->locations()->remove (loc);
-       XMLNode &after = session->locations()->get_state();
-       session->add_command(new MementoCommand<Locations>(*(session->locations()), &before, &after));
-       session->commit_reversible_command ();
+       _session->begin_reversible_command (_("remove marker"));
+       XMLNode &before = _session->locations()->get_state();
+       _session->locations()->remove (loc);
+       XMLNode &after = _session->locations()->get_state();
+       _session->add_command(new MementoCommand<Locations>(*(_session->locations()), &before, &after));
+       _session->commit_reversible_command ();
 
        return FALSE;
 }
@@ -695,7 +690,7 @@ LocationUI::location_remove_requested (ARDOUR::Location *loc)
        // must do this to prevent problems when destroying
        // the effective sender of this event
 
-       Glib::signal_idle().connect (bind (mem_fun(*this, &LocationUI::do_location_remove), loc));
+       Glib::signal_idle().connect (sigc::bind (sigc::mem_fun(*this, &LocationUI::do_location_remove), loc));
 }
 
 
@@ -709,7 +704,7 @@ LocationUI::location_redraw_ranges ()
 void
 LocationUI::location_added (Location* location)
 {
-       ENSURE_GUI_THREAD(bind (mem_fun(*this, &LocationUI::location_added), location));
+       ENSURE_GUI_THREAD (*this, &LocationUI::location_added, location)
 
        if (location->is_auto_punch()) {
                punch_edit_row.set_location(location);
@@ -725,7 +720,7 @@ LocationUI::location_added (Location* location)
 void
 LocationUI::location_removed (Location* location)
 {
-       ENSURE_GUI_THREAD(bind (mem_fun(*this, &LocationUI::location_removed), location));
+       ENSURE_GUI_THREAD (*this, &LocationUI::location_removed, location)
 
        if (location->is_auto_punch()) {
                punch_edit_row.set_location(0);
@@ -767,9 +762,9 @@ LocationUI::map_locations (Locations::LocationList& locations)
 
                if (location->is_mark()) {
                        mark_n++;
-                       erow = manage (new LocationEditRow(session, location, mark_n));
-                       erow->remove_requested.connect (mem_fun(*this, &LocationUI::location_remove_requested));
-                       erow->redraw_ranges.connect (mem_fun(*this, &LocationUI::location_redraw_ranges));
+                       erow = manage (new LocationEditRow(_session, location, mark_n));
+                       erow->remove_requested.connect (sigc::mem_fun(*this, &LocationUI::location_remove_requested));
+                       erow->redraw_ranges.connect (sigc::mem_fun(*this, &LocationUI::location_redraw_ranges));
                        loc_children.push_back(Box_Helpers::Element(*erow, PACK_SHRINK, 1, PACK_START));
                        if (location == newest_location) {
                                newest_location = 0;
@@ -777,18 +772,18 @@ LocationUI::map_locations (Locations::LocationList& locations)
                        }
                }
                else if (location->is_auto_punch()) {
-                       punch_edit_row.set_session (session);
+                       punch_edit_row.set_session (_session);
                        punch_edit_row.set_location (location);
                        punch_edit_row.show_all();
                }
                else if (location->is_auto_loop()) {
-                       loop_edit_row.set_session (session);
+                       loop_edit_row.set_session (_session);
                        loop_edit_row.set_location (location);
                        loop_edit_row.show_all();
                }
                else {
-                       erow = manage (new LocationEditRow(session, location));
-                       erow->remove_requested.connect (mem_fun(*this, &LocationUI::location_remove_requested));
+                       erow = manage (new LocationEditRow(_session, location));
+                       erow->remove_requested.connect (sigc::mem_fun(*this, &LocationUI::location_remove_requested));
                        range_children.push_back(Box_Helpers::Element(*erow,  PACK_SHRINK, 1, PACK_START));
                }
        }
@@ -802,19 +797,19 @@ LocationUI::add_new_location()
 {
        string markername;
 
-       if (session) {
-               nframes_t where = session->audible_frame();
-               session->locations()->next_available_name(markername,"mark");
+       if (_session) {
+               nframes_t where = _session->audible_frame();
+               _session->locations()->next_available_name(markername,"mark");
                Location *location = new Location (where, where, markername, Location::IsMark);
                if (Config->get_name_new_markers()) {
                        newest_location = location;
                }
-               session->begin_reversible_command (_("add marker"));
-               XMLNode &before = session->locations()->get_state();
-               session->locations()->add (location, true);
-               XMLNode &after = session->locations()->get_state();
-               session->add_command (new MementoCommand<Locations>(*(session->locations()), &before, &after));
-               session->commit_reversible_command ();
+               _session->begin_reversible_command (_("add marker"));
+               XMLNode &before = _session->locations()->get_state();
+               _session->locations()->add (location, true);
+               XMLNode &after = _session->locations()->get_state();
+               _session->add_command (new MementoCommand<Locations>(*(_session->locations()), &before, &after));
+               _session->commit_reversible_command ();
        }
 
 }
@@ -824,32 +819,23 @@ LocationUI::add_new_range()
 {
        string rangename;
 
-       if (session) {
-               nframes_t where = session->audible_frame();
-               session->locations()->next_available_name(rangename,"unnamed");
+       if (_session) {
+               nframes_t where = _session->audible_frame();
+               _session->locations()->next_available_name(rangename,"unnamed");
                Location *location = new Location (where, where, rangename, Location::IsRangeMarker);
-               session->begin_reversible_command (_("add range marker"));
-               XMLNode &before = session->locations()->get_state();
-               session->locations()->add (location, true);
-               XMLNode &after = session->locations()->get_state();
-               session->add_command (new MementoCommand<Locations>(*(session->locations()), &before, &after));
-               session->commit_reversible_command ();
+               _session->begin_reversible_command (_("add range marker"));
+               XMLNode &before = _session->locations()->get_state();
+               _session->locations()->add (location, true);
+               XMLNode &after = _session->locations()->get_state();
+               _session->add_command (new MementoCommand<Locations>(*(_session->locations()), &before, &after));
+               _session->commit_reversible_command ();
        }
 }
 
-
-void
-LocationUI::refresh_location_list_s (Change ignored)
-{
-       ENSURE_GUI_THREAD(bind (mem_fun(*this, &LocationUI::refresh_location_list_s), ignored));
-
-       refresh_location_list ();
-}
-
 void
 LocationUI::refresh_location_list ()
 {
-       ENSURE_GUI_THREAD(mem_fun(*this, &LocationUI::refresh_location_list));
+       ENSURE_GUI_THREAD (*this, &LocationUI::refresh_location_list)
        using namespace Box_Helpers;
 
        // this is just too expensive to do when window is not shown
@@ -861,8 +847,8 @@ LocationUI::refresh_location_list ()
        loc_children.clear();
        range_children.clear();
 
-       if (session) {
-               session->locations()->apply (*this, &LocationUI::map_locations);
+       if (_session) {
+               _session->locations()->apply (*this, &LocationUI::map_locations);
        }
 
 }
@@ -870,22 +856,25 @@ LocationUI::refresh_location_list ()
 void
 LocationUI::set_session(ARDOUR::Session* s)
 {
-       session = s;
+       SessionHandlePtr::set_session (s);
 
-       if (session) {
-               session->locations()->changed.connect (mem_fun(*this, &LocationUI::refresh_location_list));
-               session->locations()->StateChanged.connect (mem_fun(*this, &LocationUI::refresh_location_list_s));
-               session->locations()->added.connect (mem_fun(*this, &LocationUI::location_added));
-               session->locations()->removed.connect (mem_fun(*this, &LocationUI::location_removed));
-               session->GoingAway.connect (mem_fun(*this, &LocationUI::session_gone));
+       if (_session) {
+               _session->locations()->changed.connect (_session_connections, invalidator (*this), boost::bind (&LocationUI::refresh_location_list, this), gui_context());
+               _session->locations()->StateChanged.connect (_session_connections, invalidator (*this), boost::bind (&LocationUI::refresh_location_list, this), gui_context());
+               _session->locations()->added.connect (_session_connections, invalidator (*this), ui_bind (&LocationUI::location_added, this, _1), gui_context());
+               _session->locations()->removed.connect (_session_connections, invalidator (*this), ui_bind (&LocationUI::location_removed, this, _1), gui_context());
        }
+
+       loop_edit_row.set_session (s);
+       punch_edit_row.set_session (s);
+
        refresh_location_list ();
 }
 
 void
-LocationUI::session_gone()
+LocationUI::session_going_away()
 {
-       ENSURE_GUI_THREAD(mem_fun(*this, &LocationUI::session_gone));
+       ENSURE_GUI_THREAD (*this, &LocationUI::session_going_away);
 
        using namespace Box_Helpers;
        BoxList & loc_children = location_rows.children();
@@ -899,14 +888,15 @@ LocationUI::session_gone()
 
        punch_edit_row.set_session (0);
        punch_edit_row.set_location (0);
+
+       SessionHandlePtr::session_going_away ();
 }
 
 /*------------------------*/
 
 LocationUIWindow::LocationUIWindow ()
-       : ArdourDialog ("locations dialog")
+       : ArdourDialog (_("Locations"))
 {
-       set_title (_("Locations"));
        set_wmclass(X_("ardour_locations"), "Ardour");
        set_name ("LocationWindow");
 
@@ -936,13 +926,11 @@ LocationUIWindow::set_session (Session *s)
 {
        ArdourDialog::set_session (s);
        _ui.set_session (s);
-
-       s->GoingAway.connect (mem_fun (*this, &LocationUIWindow::session_gone));
 }
 
 void
-LocationUIWindow::session_gone ()
+LocationUIWindow::session_going_away ()
 {
+       ArdourDialog::session_going_away ();
        hide_all();
-       ArdourDialog::session_gone ();
 }