Remove unused boost/locale include.
[ardour.git] / gtk2_ardour / ardour_ui.cc
index 51a95c1250b086dbbe2c010a81749aa37da1fb8c..fd75481af521b0e56a1ec0a6a59dd23bc7fae923 100644 (file)
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 1999-2007 Paul Davis
+    Copyright (C) 1999-2013 Paul Davis
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
 #include "gtk2ardour-config.h"
 #endif
 
-#include <stdint.h>
-
 #include <algorithm>
 #include <cmath>
+#include <iostream>
+#include <cerrno>
+#include <fstream>
+
+#include <stdint.h>
 #include <fcntl.h>
 #include <signal.h>
 #include <unistd.h>
 #include <time.h>
-#include <cerrno>
-#include <fstream>
-
-#include <iostream>
 
 #include <sys/resource.h>
+#include <sys/types.h>
+#include <sys/sysctl.h>
 
 #include <gtkmm/messagedialog.h>
 #include <gtkmm/accelmap.h>
@@ -65,6 +66,7 @@
 #include "ardour/automation_watch.h"
 #include "ardour/diskstream.h"
 #include "ardour/filename_extensions.h"
+#include "ardour/filesystem_paths.h"
 #include "ardour/port.h"
 #include "ardour/process_thread.h"
 #include "ardour/profile.h"
@@ -85,6 +87,7 @@ typedef uint64_t microseconds_t;
 #include "ambiguous_file_dialog.h"
 #include "ardour_ui.h"
 #include "audio_clock.h"
+#include "big_clock_window.h"
 #include "bundle_manager.h"
 #include "engine_dialog.h"
 #include "gain_meter.h"
@@ -92,6 +95,7 @@ typedef uint64_t microseconds_t;
 #include "gui_object.h"
 #include "gui_thread.h"
 #include "keyboard.h"
+#include "keyeditor.h"
 #include "location_ui.h"
 #include "main_clock.h"
 #include "missing_file_dialog.h"
@@ -99,11 +103,15 @@ typedef uint64_t microseconds_t;
 #include "mixer_ui.h"
 #include "mouse_cursors.h"
 #include "opts.h"
+#include "pingback.h"
 #include "processor_box.h"
 #include "prompter.h"
 #include "public_editor.h"
+#include "rc_option_editor.h"
 #include "route_time_axis.h"
+#include "route_params_ui.h"
 #include "session_metadata_dialog.h"
+#include "session_option_editor.h"
 #include "shuttle_control.h"
 #include "speaker_dialog.h"
 #include "splash.h"
@@ -111,7 +119,10 @@ typedef uint64_t microseconds_t;
 #include "theme_manager.h"
 #include "time_axis_view_item.h"
 #include "utils.h"
-#include "window_proxy.h"
+#include "video_server_dialog.h"
+#include "add_video_dialog.h"
+#include "transcode_video_dialog.h"
+#include "system_exec.h"
 
 #include "i18n.h"
 
@@ -128,12 +139,14 @@ sigc::signal<void,bool> ARDOUR_UI::Blink;
 sigc::signal<void>      ARDOUR_UI::RapidScreenUpdate;
 sigc::signal<void>      ARDOUR_UI::SuperRapidScreenUpdate;
 sigc::signal<void, framepos_t, bool, framepos_t> ARDOUR_UI::Clock;
+sigc::signal<void>      ARDOUR_UI::CloseAllDialogs;
 
-ARDOUR_UI::ARDOUR_UI (int *argcp, char **argvp[])
+ARDOUR_UI::ARDOUR_UI (int *argcp, char **argvp[], const char* localedir)
 
        : Gtkmm2ext::UI (PROGRAM_NAME, argcp, argvp)
-
+       
        , gui_object_state (new GUIObjectState)
+
        , primary_clock (new MainClock (X_("primary"), false, X_("transport"), true, true, true, false, true))
        , secondary_clock (new MainClock (X_("secondary"), false, X_("secondary"), true, true, false, false, true))
 
@@ -141,6 +154,14 @@ ARDOUR_UI::ARDOUR_UI (int *argcp, char **argvp[])
 
        , big_clock (new AudioClock (X_("bigclock"), false, "big", true, true, false, false))
 
+         /* start of private members */
+
+       , _startup (0)
+       , engine (0)
+       , nsm (0)
+       , _was_dirty (false)
+       , _mixer_on_top (false)
+
          /* transport */
 
        , roll_controllable (new TransportControllable ("transport roll", *this, TransportControllable::Roll))
@@ -159,51 +180,50 @@ ARDOUR_UI::ARDOUR_UI (int *argcp, char **argvp[])
        , solo_alert_button (_("solo"))
        , feedback_alert_button (_("feedback"))
 
+       , speaker_config_window (X_("speaker-config"), _("Speaker Configuration"))
+       , theme_manager (X_("theme-manager"), _("Theme Manager"))
+       , key_editor (X_("key-editor"), _("Key Bindings"))
+       , rc_option_editor (X_("rc-options-editor"), _("Preferences"))
+       , add_route_dialog (X_("add-routes"), _("Add Tracks/Busses"))
+       , about (X_("about"), _("About"))
+       , location_ui (X_("locations"), _("Locations"))
+       , route_params (X_("inspector"), _("Tracks and Busses"))
+       , session_option_editor (X_("session-options-editor"), _("Properties"), boost::bind (&ARDOUR_UI::create_session_option_editor, this))
+       , add_video_dialog (X_("add-video"), _("Add Tracks/Busses"), boost::bind (&ARDOUR_UI::create_add_video_dialog, this))
+       , bundle_manager (X_("bundle-manager"), _("Bundle Manager"), boost::bind (&ARDOUR_UI::create_bundle_manager, this))
+       , big_clock_window (X_("big-clock"), _("Big Clock"), boost::bind (&ARDOUR_UI::create_big_clock_window, this))
+       , audio_port_matrix (X_("audio-connection-manager"), _("Audio Connections"), boost::bind (&ARDOUR_UI::create_global_port_matrix, this, ARDOUR::DataType::AUDIO))
+       , midi_port_matrix (X_("midi-connection-manager"), _("MIDI Connections"), boost::bind (&ARDOUR_UI::create_global_port_matrix, this, ARDOUR::DataType::MIDI))
+
        , error_log_button (_("Errors"))
 
        , _status_bar_visibility (X_("status-bar"))
        , _feedback_exists (false)
 
 {
-       Gtkmm2ext::init();
+       Gtkmm2ext::init(localedir);
 
-       about = 0;
        splash = 0;
-       _startup = 0;
 
        if (theArdourUI == 0) {
                theArdourUI = this;
        }
 
        ui_config = new UIConfiguration();
-       theme_manager = new ThemeManager();
-
-       key_editor = 0;
 
        editor = 0;
        mixer = 0;
        editor = 0;
        engine = 0;
        _session_is_new = false;
-       big_clock_window = 0;
-       big_clock_height = 0;
-       big_clock_resize_in_progress = false;
        session_selector_window = 0;
        last_key_press_time = 0;
-       add_route_dialog = 0;
-       route_params = 0;
-       bundle_manager = 0;
-       rc_option_editor = 0;
-       session_option_editor = 0;
-       location_ui = 0;
+       video_server_process = 0;
        open_session_selector = 0;
        have_configure_timeout = false;
        have_disk_speed_dialog_displayed = false;
        session_loaded = false;
        ignore_dual_punch = false;
-       original_big_clock_width = -1;
-       original_big_clock_height = -1;
-       original_big_clock_font_size = 0;
 
        roll_button.set_controllable (roll_controllable);
        stop_button.set_controllable (stop_controllable);
@@ -232,6 +252,8 @@ ARDOUR_UI::ARDOUR_UI (int *argcp, char **argvp[])
        ARDOUR::Diskstream::DiskOverrun.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::disk_overrun_handler, this), gui_context());
        ARDOUR::Diskstream::DiskUnderrun.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::disk_underrun_handler, this), gui_context());
 
+       ARDOUR::Session::VersionMismatch.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::session_format_mismatch, this, _1, _2), gui_context());
+
        /* handle dialog requests */
 
        ARDOUR::Session::Dialog.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::session_dialog, this, _1), gui_context());
@@ -264,16 +286,13 @@ ARDOUR_UI::ARDOUR_UI (int *argcp, char **argvp[])
        /* lets get this party started */
 
        try {
-               if (ARDOUR::init (ARDOUR_COMMAND_LINE::use_vst, ARDOUR_COMMAND_LINE::try_hw_optimization)) {
+               if (ARDOUR::init (ARDOUR_COMMAND_LINE::use_vst, ARDOUR_COMMAND_LINE::try_hw_optimization, localedir)) {
                        throw failed_constructor ();
                }
 
                setup_gtk_ardour_enums ();
                setup_profile ();
 
-               GainMeter::setup_slider_pix ();
-               RouteTimeAxisView::setup_slider_pix ();
-               ProcessorEntry::setup_slider_pix ();
                SessionEvent::create_per_thread_pool ("GUI", 512);
 
        } catch (failed_constructor& err) {
@@ -298,26 +317,53 @@ ARDOUR_UI::ARDOUR_UI (int *argcp, char **argvp[])
 
        TimeAxisViewItem::set_constant_heights ();
 
-       /* The following must happen after ARDOUR::init() so that Config is set up */
-
-       location_ui = new ActionWindowProxy<LocationUIWindow> (X_("locations"), Config->extra_xml (X_("UI")), X_("ToggleLocations"));
-       big_clock_window = new ActionWindowProxy<Gtk::Window> (X_("bigclock"), Config->extra_xml (X_("UI")), X_("ToggleBigClock"));
-       speaker_config_window = new ActionWindowProxy<SpeakerDialog> (X_("speakerconf"), Config->extra_xml (X_("UI")), X_("toggle-speaker-config"));
+        /* Set this up so that our window proxies can register actions */
 
-       for (ARDOUR::DataType::iterator i = ARDOUR::DataType::begin(); i != ARDOUR::DataType::end(); ++i) {
-               _global_port_matrix[*i] = new ActionWindowProxy<GlobalPortMatrixWindow> (
-                       string_compose ("GlobalPortMatrix-%1", (*i).to_string()),
-                       Config->extra_xml (X_("UI")),
-                       string_compose ("toggle-%1-connection-manager", (*i).to_string())
-                       );
-       }
-
-       setup_clock ();
+       ActionManager::init ();
 
-       SpeakerDialog* s = new SpeakerDialog ();
-       s->signal_unmap().connect (sigc::bind (sigc::ptr_fun (&ActionManager::uncheck_toggleaction), X_("<Actions>/Common/toggle-speaker-config")));
-       speaker_config_window->set (s);
+       /* The following must happen after ARDOUR::init() so that Config is set up */
 
+       const XMLNode* ui_xml = Config->extra_xml (X_("UI"));
+
+       if (ui_xml) {
+               theme_manager.set_state (*ui_xml);
+               key_editor.set_state (*ui_xml);
+               rc_option_editor.set_state (*ui_xml);
+               session_option_editor.set_state (*ui_xml);
+               speaker_config_window.set_state (*ui_xml);
+               about.set_state (*ui_xml);
+               add_route_dialog.set_state (*ui_xml);
+               add_video_dialog.set_state (*ui_xml);
+               route_params.set_state (*ui_xml);
+               bundle_manager.set_state (*ui_xml);
+               location_ui.set_state (*ui_xml);
+               big_clock_window.set_state (*ui_xml);
+               audio_port_matrix.set_state (*ui_xml);
+               midi_port_matrix.set_state (*ui_xml);
+       }
+
+       WM::Manager::instance().register_window (&theme_manager);
+       WM::Manager::instance().register_window (&key_editor);
+       WM::Manager::instance().register_window (&rc_option_editor);
+       WM::Manager::instance().register_window (&session_option_editor);
+       WM::Manager::instance().register_window (&speaker_config_window);
+       WM::Manager::instance().register_window (&about);
+       WM::Manager::instance().register_window (&add_route_dialog);
+       WM::Manager::instance().register_window (&add_video_dialog);
+       WM::Manager::instance().register_window (&route_params);
+       WM::Manager::instance().register_window (&bundle_manager);
+       WM::Manager::instance().register_window (&location_ui);
+       WM::Manager::instance().register_window (&big_clock_window);
+       WM::Manager::instance().register_window (&audio_port_matrix);
+       WM::Manager::instance().register_window (&midi_port_matrix);
+
+       /* We need to instantiate the theme manager because it loads our
+          theme files. This should really change so that its window
+          and its functionality are separate 
+       */
+       
+       (void) theme_manager.get (true);
+       
        starting.connect (sigc::mem_fun(*this, &ARDOUR_UI::startup));
        stopping.connect (sigc::mem_fun(*this, &ARDOUR_UI::shutdown));
 
@@ -325,8 +371,15 @@ ARDOUR_UI::ARDOUR_UI (int *argcp, char **argvp[])
        _process_thread->init ();
 
        DPIReset.connect (sigc::mem_fun (*this, &ARDOUR_UI::resize_text_widgets));
+}
 
-       // ARDOUR::GUIIdle.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&Gtkmm2ext::UI::flush_pending, this), gui_context());
+GlobalPortMatrixWindow*
+ARDOUR_UI::create_global_port_matrix (ARDOUR::DataType type)
+{
+       if (!_session) {
+               return 0;
+       }
+       return new GlobalPortMatrixWindow (_session, type);
 }
 
 int
@@ -369,12 +422,10 @@ ARDOUR_UI::post_engine ()
 
        ARDOUR::init_post_engine ();
 
-       /* load up the UI manager */
-
-       ActionManager::init ();
-
        _tooltips.enable();
 
+       ActionManager::load_menus ();
+
        if (setup_windows ()) {
                throw failed_constructor ();
        }
@@ -429,7 +480,7 @@ ARDOUR_UI::post_engine ()
 #ifndef GTKOSX
        /* OS X provides a nearly-always visible wallclock, so don't be stupid */
        update_wall_clock ();
-       Glib::signal_timeout().connect (sigc::mem_fun(*this, &ARDOUR_UI::update_wall_clock), 60000);
+       Glib::signal_timeout().connect_seconds (sigc::mem_fun(*this, &ARDOUR_UI::update_wall_clock), 1);
 #endif
 
        update_disk_space ();
@@ -458,7 +509,8 @@ ARDOUR_UI::~ARDOUR_UI ()
        delete keyboard;
        delete editor;
        delete mixer;
-       delete add_route_dialog;
+
+       stop_video_server();
 }
 
 void
@@ -602,21 +654,98 @@ ARDOUR_UI::update_autosave ()
        }
 }
 
+void
+ARDOUR_UI::check_announcements ()
+{
+#ifdef PHONE_HOME
+       string _annc_filename;
+
+#ifdef __APPLE__
+       _annc_filename = PROGRAM_NAME "_announcements_osx_";
+#else
+       _annc_filename = PROGRAM_NAME "_announcements_linux_";
+#endif
+       _annc_filename.append (VERSIONSTRING);
+
+       std::string path = Glib::build_filename (user_config_directory(), _annc_filename);
+       std::ifstream announce_file (path.c_str());
+       if ( announce_file.fail() )
+               _announce_string = "";
+       else {
+               std::stringstream oss;
+               oss << announce_file.rdbuf();
+               _announce_string = oss.str();
+       }
+
+       pingback (VERSIONSTRING, path);
+#endif
+}
+
 void
 ARDOUR_UI::startup ()
 {
        Application* app = Application::instance ();
-
+       char *nsm_url;
        app->ShouldQuit.connect (sigc::mem_fun (*this, &ARDOUR_UI::queue_finish));
        app->ShouldLoad.connect (sigc::mem_fun (*this, &ARDOUR_UI::idle_load));
 
-#ifdef PHONE_HOME
-       call_the_mothership (VERSIONSTRING);
-#endif
+       if (ARDOUR_COMMAND_LINE::check_announcements) {
+               check_announcements ();
+       }
 
        app->ready ();
 
-       if (get_session_parameters (true, ARDOUR_COMMAND_LINE::new_session, ARDOUR_COMMAND_LINE::load_template)) {
+       nsm_url = getenv ("NSM_URL");
+
+       if (nsm_url) {
+               nsm = new NSM_Client;
+               if (!nsm->init (nsm_url)) {
+                       nsm->announce (PROGRAM_NAME, ":dirty:", "ardour3");
+
+                       unsigned int i = 0;
+                       // wait for announce reply from nsm server
+                       for ( i = 0; i < 5000; ++i) {
+                               nsm->check ();
+                               usleep (i);
+                               if (nsm->is_active())
+                                       break;
+                       }
+                       // wait for open command from nsm server
+                       for ( i = 0; i < 5000; ++i) {
+                               nsm->check ();
+                               usleep (1000);
+                               if (nsm->client_id ())
+                                       break;
+                       }
+
+                       if (_session && nsm) {
+                               _session->set_nsm_state( nsm->is_active() );
+                       }
+
+                       // nsm requires these actions disabled
+                       vector<string> action_names;
+                       action_names.push_back("SaveAs");
+                       action_names.push_back("Rename");
+                       action_names.push_back("New");
+                       action_names.push_back("Open");
+                       action_names.push_back("Recent");
+                       action_names.push_back("Close");
+
+                       for (vector<string>::const_iterator n = action_names.begin(); n != action_names.end(); ++n) {
+                               Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), (*n).c_str());
+                               if (act) {
+                                       act->set_sensitive (false);
+                               }
+                       }
+
+               }
+               else {
+                       delete nsm;
+                       nsm = 0;
+               }
+       }
+
+       else if (get_session_parameters (true, ARDOUR_COMMAND_LINE::new_session, ARDOUR_COMMAND_LINE::load_template)) {
                exit (1);
        }
 
@@ -624,14 +753,7 @@ ARDOUR_UI::startup ()
 
        goto_editor_window ();
 
-       /* Add the window proxies here; their addition may cause windows to be opened, and we want them
-          to be opened on top of the editor window that goto_editor_window() just opened.
-       */
-       add_window_proxy (location_ui);
-       add_window_proxy (big_clock_window);
-       for (ARDOUR::DataType::iterator i = ARDOUR::DataType::begin(); i != ARDOUR::DataType::end(); ++i) {
-               add_window_proxy (_global_port_matrix[*i]);
-       }
+       WM::Manager::instance().show_visible ();
 
        /* We have to do this here since goto_editor_window() ends up calling show_all() on the
         * editor window, and we may want stuff to be hidden.
@@ -663,8 +785,14 @@ ARDOUR_UI::check_memory_locking ()
                struct rlimit limits;
                int64_t ram;
                long pages, page_size;
-
-               if ((page_size = sysconf (_SC_PAGESIZE)) < 0 ||(pages = sysconf (_SC_PHYS_PAGES)) < 0) {
+#ifdef __FreeBSD__
+               size_t pages_len=sizeof(pages);
+               if ((page_size = getpagesize()) < 0 ||
+                               sysctlbyname("hw.availpages", &pages, &pages_len, NULL, 0))
+#else
+               if ((page_size = sysconf (_SC_PAGESIZE)) < 0 ||(pages = sysconf (_SC_PHYS_PAGES)) < 0)
+#endif
+               {
                        ram = 0;
                } else {
                        ram = (int64_t) pages * (int64_t) page_size;
@@ -684,15 +812,23 @@ ARDOUR_UI::check_memory_locking ()
                                                  "This might cause %1 to run out of memory before your system "
                                                  "runs out of memory. \n\n"
                                                  "You can view the memory limit with 'ulimit -l', "
-                                                 "and it is normally controlled by /etc/security/limits.conf"),
-                                               PROGRAM_NAME).c_str());
+                                                 "and it is normally controlled by %2"),
+                                               PROGRAM_NAME).c_str(), 
+#ifdef __FreeBSD__
+                                       X_("/etc/login.conf")
+#else
+                                       X_(" /etc/security/limits.conf")
+#endif
+                                       );
+
+                               msg.set_default_response (RESPONSE_OK);
 
                                VBox* vbox = msg.get_vbox();
                                HBox hbox;
                                CheckButton cb (_("Do not show this window again"));
 
                                cb.signal_toggled().connect (sigc::mem_fun (*this, &ARDOUR_UI::no_memory_warning));
-
+                               
                                hbox.pack_start (cb, true, false);
                                vbox->pack_start (hbox);
                                cb.show();
@@ -727,6 +863,7 @@ void
 ARDOUR_UI::finish()
 {
        if (_session) {
+               ARDOUR_UI::instance()->video_timeline->sync_session_state();
 
                if (_session->dirty()) {
                        vector<string> actions;
@@ -762,12 +899,17 @@ If you still wish to quit, please use the\n\n\
                point_zero_one_second_connection.disconnect();
        }
 
+       delete ARDOUR_UI::instance()->video_timeline;
+       stop_video_server();
+
        /* Save state before deleting the session, as that causes some
           windows to be destroyed before their visible state can be
           saved.
        */
        save_ardour_state ();
 
+       close_all_dialogs ();
+
        loading_message (string_compose (_("Please wait while %1 cleans up..."), PROGRAM_NAME));
 
        if (_session) {
@@ -778,7 +920,6 @@ If you still wish to quit, please use the\n\n\
                _session = 0;
        }
 
-       ArdourDialog::close_all_dialogs ();
        engine->stop (true);
        quit ();
 }
@@ -825,7 +966,6 @@ ARDOUR_UI::ask_about_saving_session (const vector<string>& actions)
        window.get_vbox()->pack_start (dhbox);
 
        window.set_name (_("Prompter"));
-       window.set_position (Gtk::WIN_POS_MOUSE);
        window.set_modal (true);
        window.set_resizable (false);
 
@@ -860,6 +1000,19 @@ ARDOUR_UI::every_second ()
        update_buffer_load ();
        update_disk_space ();
        update_timecode_format ();
+
+       if (nsm && nsm->is_active ()) {
+               nsm->check ();
+
+               if (!_was_dirty && _session->dirty ()) {
+                       nsm->is_dirty ();
+                       _was_dirty = true;
+               }
+               else if (_was_dirty && !_session->dirty ()){
+                       nsm->is_clean ();
+                       _was_dirty = false;
+               }
+       }
        return TRUE;
 }
 
@@ -1100,13 +1253,16 @@ ARDOUR_UI::update_wall_clock ()
 {
        time_t now;
        struct tm *tm_now;
-       char buf[16];
+       static int last_min = -1;
 
        time (&now);
        tm_now = localtime (&now);
-
-       sprintf (buf, "%02d:%02d", tm_now->tm_hour, tm_now->tm_min);
-       wall_clock_label.set_text (buf);
+       if (last_min != tm_now->tm_min) {
+               char buf[16];
+               sprintf (buf, "%02d:%02d", tm_now->tm_hour, tm_now->tm_min);
+               wall_clock_label.set_text (buf);
+               last_min = tm_now->tm_min;
+       }
 
        return TRUE;
 }
@@ -1173,6 +1329,7 @@ ARDOUR_UI::redisplay_recent_sessions ()
 
                row[recent_session_columns.visible_name] = Glib::path_get_basename (fullpath);
                row[recent_session_columns.fullpath] = fullpath;
+               row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
 
                if (state_file_names.size() > 1) {
 
@@ -1186,11 +1343,12 @@ ARDOUR_UI::redisplay_recent_sessions ()
 
                                child_row[recent_session_columns.visible_name] = *i2;
                                child_row[recent_session_columns.fullpath] = fullpath;
+                               child_row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
                        }
                }
        }
 
-       recent_session_display.set_tooltip_column(1); // recent_session_columns.fullpath
+       recent_session_display.set_tooltip_column(1); // recent_session_columns.tip
        recent_session_display.set_model (recent_session_model);
 }
 
@@ -1241,8 +1399,6 @@ ARDOUR_UI::open_recent_session ()
 
        while (true) {
 
-               session_selector_window->set_position (WIN_POS_MOUSE);
-
                ResponseType r = (ResponseType) session_selector_window->run ();
 
                switch (r) {
@@ -1378,11 +1534,7 @@ ARDOUR_UI::session_add_mixed_track (const ChanCount& input, const ChanCount& out
                tracks = _session->new_midi_track (input, output, instrument, ARDOUR::Normal, route_group, how_many, name_template);
                
                if (tracks.size() != how_many) {
-                       if (how_many == 1) {
-                               error << _("could not create a new mixed track") << endmsg;
-                       } else {
-                               error << string_compose (_("could not create %1 new mixed tracks"), how_many) << endmsg;
-                       }
+                       error << string_compose(P_("could not create %1 new mixed track", "could not create %1 new mixed tracks", how_many), how_many) << endmsg;
                }
        }
 
@@ -1432,12 +1584,8 @@ ARDOUR_UI::session_add_audio_route (
                        tracks = _session->new_audio_track (input_channels, output_channels, mode, route_group, how_many, name_template);
 
                        if (tracks.size() != how_many) {
-                               if (how_many == 1) {
-                                       error << _("could not create a new audio track") << endmsg;
-                               } else {
-                                       error << string_compose (_("could only create %1 of %2 new audio %3"),
-                                                                tracks.size(), how_many, (track ? _("tracks") : _("busses"))) << endmsg;
-                               }
+                               error << string_compose (P_("could not create %1 new audio track", "could not create %1 new audio tracks", how_many), how_many) 
+                                     << endmsg;
                        }
 
                } else {
@@ -1445,11 +1593,8 @@ ARDOUR_UI::session_add_audio_route (
                        routes = _session->new_audio_route (input_channels, output_channels, route_group, how_many, name_template);
 
                        if (routes.size() != how_many) {
-                               if (how_many == 1) {
-                                       error << _("could not create a new audio bus") << endmsg;
-                               } else {
-                                       error << string_compose (_("could not create %1 new audio busses"), how_many) << endmsg;
-                               }
+                               error << string_compose (P_("could not create %1 new audio bus", "could not create %1 new audio busses", how_many), how_many)
+                                     << endmsg;
                        }
                }
        }
@@ -1966,8 +2111,9 @@ JACK, reconnect and save the session."), PROGRAM_NAME);
 
        MessageDialog msg (*editor, msgstr);
        pop_back_splash (msg);
+       msg.set_keep_above (true);
        msg.run ();
-
+       
        if (free_reason) {
                free (const_cast<char*> (reason));
        }
@@ -2002,7 +2148,11 @@ ARDOUR_UI::update_clocks ()
 void
 ARDOUR_UI::start_clocking ()
 {
-       clock_signal_connection = RapidScreenUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
+       if (Config->get_super_rapid_clock_update()) {
+               clock_signal_connection = SuperRapidScreenUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
+       } else {
+               clock_signal_connection = RapidScreenUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
+       }
 }
 
 void
@@ -2186,11 +2336,7 @@ ARDOUR_UI::save_state (const string & name, bool switch_to_it)
 {
        XMLNode* node = new XMLNode (X_("UI"));
 
-       for (list<WindowProxyBase*>::iterator i = _window_proxies.begin(); i != _window_proxies.end(); ++i) {
-               if (!(*i)->rc_configured()) {
-                       node->add_child_nocopy (*((*i)->get_state ()));
-               }
-       }
+       WM::Manager::instance().add_state (*node);
 
        node->add_child_nocopy (gui_object_state->get_state());
 
@@ -2348,7 +2494,7 @@ ARDOUR_UI::build_session_from_nsd (const std::string& session_path, const std::s
 {
        BusProfile bus_profile;
 
-       if (Profile->get_sae()) {
+       if (nsm || Profile->get_sae()) {
 
                bus_profile.master_out_channels = 2;
                bus_profile.input_ac = AutoConnectPhysical;
@@ -2425,6 +2571,10 @@ ARDOUR_UI::get_session_parameters (bool quit_on_cancel, bool should_be_new, stri
         * as we bring up the new session dialog.
         */
 
+       if (_session && ARDOUR_UI::instance()->video_timeline) {
+               ARDOUR_UI::instance()->video_timeline->sync_session_state();
+       }
+
        if (_session && _session->dirty()) {
                if (unload_session (false)) {
                        /* unload cancelled by user */
@@ -2488,6 +2638,10 @@ ARDOUR_UI::get_session_parameters (bool quit_on_cancel, bool should_be_new, stri
                
                session_name = _startup->session_name (likely_new);
                
+               if (nsm) {
+                       likely_new = true;
+               }
+
                string::size_type suffix = session_name.find (statefile_suffix);
                
                if (suffix != string::npos) {
@@ -2539,7 +2693,7 @@ ARDOUR_UI::get_session_parameters (bool quit_on_cancel, bool should_be_new, stri
 
                if (Glib::file_test (session_path, Glib::FileTest (G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR))) {
 
-                       if (likely_new) {
+                       if (likely_new && !nsm) {
 
                                std::string existing = Glib::build_filename (session_path, session_name);
 
@@ -2817,43 +2971,16 @@ ARDOUR_UI::launch_chat ()
 #endif
 }
 
-void
-ARDOUR_UI::show_about ()
-{
-       if (about == 0) {
-               about = new About;
-               about->signal_response().connect (sigc::mem_fun (*this, &ARDOUR_UI::about_signal_response));
-       }
-
-       about->set_transient_for(*editor);
-       about->show_all ();
-}
-
 void
 ARDOUR_UI::launch_manual ()
 {
-       PBD::open_uri("http://ardour.org/flossmanual");
+       PBD::open_uri (Config->get_tutorial_manual_url());
 }
 
 void
 ARDOUR_UI::launch_reference ()
 {
-       PBD::open_uri ("http://ardour.org/refmanual");
-}
-
-void
-ARDOUR_UI::hide_about ()
-{
-       if (about) {
-               about->get_window()->set_cursor ();
-               about->hide ();
-       }
-}
-
-void
-ARDOUR_UI::about_signal_response (int /*response*/)
-{
-       hide_about();
+       PBD::open_uri (Config->get_reference_manual_url());
 }
 
 void
@@ -2892,8 +3019,7 @@ ARDOUR_UI::hide_splash ()
 }
 
 void
-ARDOUR_UI::display_cleanup_results (ARDOUR::CleanupReport& rep, const gchar* list_title,
-                                   const string& plural_msg, const string& singular_msg)
+ARDOUR_UI::display_cleanup_results (ARDOUR::CleanupReport& rep, const gchar* list_title, const bool msg_delete)
 {
        size_t removed;
 
@@ -2962,7 +3088,7 @@ require some unused files to continue to exist."));
        double space_adjusted = 0;
 
        if (rep.space < 1000) {
-               bprefix = _("");
+               bprefix = X_("");
                space_adjusted = rep.space;
        } else if (rep.space < 1000000) {
                bprefix = _("kilo");
@@ -2975,10 +3101,26 @@ require some unused files to continue to exist."));
                space_adjusted = truncf((float)rep.space / (1000.0 * 1000 * 1000.0));
        }
 
-       if (removed > 1) {
-               txt.set_markup (string_compose (plural_msg, removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
+       if (msg_delete) {
+               txt.set_markup (string_compose (P_("\
+The following file was deleted from %2,\n\
+releasing %3 %4bytes of disk space", "\
+The following %1 files were deleted from %2,\n\
+releasing %3 %4bytes of disk space", removed),
+                                       removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
        } else {
-               txt.set_markup (string_compose (singular_msg, removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
+               txt.set_markup (string_compose (P_("\
+The following file was not in use and \n\
+has been moved to: %2\n\n\
+After a restart of %5\n\n\
+<span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
+will release an additional %3 %4bytes of disk space.\n", "\
+The following %1 files were not in use and \n\
+have been moved to: %2\n\n\
+After a restart of %5\n\n\
+<span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
+will release an additional %3 %4bytes of disk space.\n", removed),
+                                       removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
        }
 
        dhbox.pack_start (*dimage, true, false, 5);
@@ -3072,22 +3214,7 @@ Clean-up will move all unused files to a \"dead\" location."));
        editor->finish_cleanup ();
 
        checker.hide();
-       display_cleanup_results (rep,
-                                _("Cleaned Files"),
-                                _("\
-The following %1 files were not in use and \n\
-have been moved to: %2\n\n\
-After a restart of %5\n\n\
-<span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
-will release an additional %3 %4bytes of disk space.\n"),
-                                _("\
-The following file was not in use and \n\
-has been moved to: %2\n\n\
-After a restart of %5\n\n\
-<span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
-will release an additional %3 %4bytes of disk space.\n"
-                                        ));
-
+       display_cleanup_results (rep, _("Cleaned Files"), false);
 }
 
 void
@@ -3104,12 +3231,7 @@ ARDOUR_UI::flush_trash ()
                return;
        }
 
-       display_cleanup_results (rep,
-                                _("deleted file"),
-                                _("The following %1 files were deleted from %2,\n\
-releasing %3 %4bytes of disk space"),
-                                _("The following file was deleted from %2,\n\
-releasing %3 %4bytes of disk space"));
+       display_cleanup_results (rep, _("deleted file"), true);
 }
 
 void
@@ -3121,19 +3243,15 @@ ARDOUR_UI::add_route (Gtk::Window* float_window)
                return;
        }
 
-       if (add_route_dialog == 0) {
-               add_route_dialog = new AddRouteDialog (_session);
-               add_route_dialog->set_position (WIN_POS_MOUSE);
-               if (float_window) {
-                       add_route_dialog->set_transient_for (*float_window);
-               }
-       }
-
        if (add_route_dialog->is_visible()) {
                /* we're already doing this */
                return;
        }
 
+       if (float_window) {
+               add_route_dialog->set_transient_for (*float_window);
+       }
+
        ResponseType r = (ResponseType) add_route_dialog->run ();
 
        add_route_dialog->hide();
@@ -3150,10 +3268,20 @@ ARDOUR_UI::add_route (Gtk::Window* float_window)
                return;
        }
 
+       PBD::ScopedConnection idle_connection;
+
+       if (count > 8) {
+               ARDOUR::GUIIdle.connect (idle_connection, MISSING_INVALIDATOR, boost::bind (&Gtkmm2ext::UI::flush_pending, this), gui_context());
+       }
+
        string template_path = add_route_dialog->track_template();
 
        if (!template_path.empty()) {
-               _session->new_route_from_template (count, template_path);
+               if (add_route_dialog->name_template_is_default())  {
+                       _session->new_route_from_template (count, template_path, string());
+               } else {
+                       _session->new_route_from_template (count, template_path, add_route_dialog->name_template());
+               }
                return;
        }
 
@@ -3187,6 +3315,247 @@ ARDOUR_UI::add_route (Gtk::Window* float_window)
                session_add_audio_bus (input_chan.n_audio(), output_chan.n_audio(), route_group, count, name_template);
                break;
        }
+
+       /* idle connection will end at scope end */
+}
+
+void
+ARDOUR_UI::stop_video_server (bool ask_confirm)
+{
+       if (!video_server_process && ask_confirm) {
+               warning << _("Video-Server was not launched by Ardour. The request to stop it is ignored.") << endmsg;
+       }
+       if (video_server_process) {
+               if(ask_confirm) {
+                       ArdourDialog confirm (_("Stop Video-Server"), true);
+                       Label m (_("Do you really want to stop the Video Server?"));
+                       confirm.get_vbox()->pack_start (m, true, true);
+                       confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
+                       confirm.add_button (_("Yes, Stop It"), Gtk::RESPONSE_ACCEPT);
+                       confirm.show_all ();
+                       if (confirm.run() == RESPONSE_CANCEL) {
+                               return;
+                       }
+               }
+               delete video_server_process;
+               video_server_process =0;
+       }
+}
+
+void
+ARDOUR_UI::start_video_server_menu (Gtk::Window* float_window)
+{
+  ARDOUR_UI::start_video_server( float_window, true);
+}
+
+bool
+ARDOUR_UI::start_video_server (Gtk::Window* float_window, bool popup_msg)
+{
+       if (!_session) {
+               return false;
+       }
+       if (popup_msg) {
+               if (ARDOUR_UI::instance()->video_timeline->check_server()) {
+                       if (video_server_process) {
+                               popup_error(_("The Video Server is already started."));
+                       } else {
+                               popup_error(_("An external Video Server is configured and can be reached. Not starting a new instance."));
+                       }
+               }
+       }
+
+       int firsttime = 0;
+       while (!ARDOUR_UI::instance()->video_timeline->check_server()) {
+               if (firsttime++) {
+                       warning << _("Could not connect to the Video Server. Start it or configure its access URL in Edit -> Preferences.") << endmsg;
+               }
+               VideoServerDialog *video_server_dialog = new VideoServerDialog (_session);
+               if (float_window) {
+                       video_server_dialog->set_transient_for (*float_window);
+               }
+
+               if (!Config->get_show_video_server_dialog() && firsttime < 2) {
+                       video_server_dialog->hide();
+               } else {
+                       ResponseType r = (ResponseType) video_server_dialog->run ();
+                       video_server_dialog->hide();
+                       if (r != RESPONSE_ACCEPT) { return false; }
+                       if (video_server_dialog->show_again()) {
+                               Config->set_show_video_server_dialog(false);
+                       }
+               }
+
+               std::string icsd_exec = video_server_dialog->get_exec_path();
+               std::string icsd_docroot = video_server_dialog->get_docroot();
+               if (icsd_docroot.empty()) {icsd_docroot = X_("/");}
+
+               struct stat sb;
+               if (!lstat (icsd_docroot.c_str(), &sb) == 0 || !S_ISDIR(sb.st_mode)) {
+                       warning << _("Specified docroot is not an existing directory.") << endmsg;
+                       continue;
+               }
+               if ( (!lstat (icsd_exec.c_str(), &sb) == 0)
+                    || (sb.st_mode & (S_IXUSR|S_IXGRP|S_IXOTH)) == 0 ) {
+                       warning << _("Given Video Server is not an executable file.") << endmsg;
+                       continue;
+               }
+
+               char **argp;
+               argp=(char**) calloc(9,sizeof(char*));
+               argp[0] = strdup(icsd_exec.c_str());
+               argp[1] = strdup("-P");
+               argp[2] = (char*) calloc(16,sizeof(char)); snprintf(argp[2], 16, "%s", video_server_dialog->get_listenaddr().c_str());
+               argp[3] = strdup("-p");
+               argp[4] = (char*) calloc(6,sizeof(char)); snprintf(argp[4], 6, "%i", video_server_dialog->get_listenport());
+               argp[5] = strdup("-C");
+               argp[6] = (char*) calloc(6,sizeof(char)); snprintf(argp[6], 6, "%i", video_server_dialog->get_cachesize());
+               argp[7] = strdup(icsd_docroot.c_str());
+               argp[8] = 0;
+               stop_video_server();
+
+               if (icsd_docroot == X_("/")) {
+                       Config->set_video_advanced_setup(false);
+               } else {
+                       std::ostringstream osstream;
+                       osstream << "http://localhost:" << video_server_dialog->get_listenport() << "/";
+                       Config->set_video_server_url(osstream.str());
+                       Config->set_video_server_docroot(icsd_docroot);
+                       Config->set_video_advanced_setup(true);
+               }
+
+               video_server_process = new SystemExec(icsd_exec, argp);
+               video_server_process->start();
+               sleep(1);
+       }
+       return true;
+}
+
+void
+ARDOUR_UI::add_video (Gtk::Window* float_window)
+{
+       if (!_session) {
+               return;
+       }
+
+       if (!start_video_server(float_window, false)) {
+               warning << _("Could not connect to the Video Server. Start it or configure its access URL in Edit -> Preferences.") << endmsg;
+               return;
+       }
+
+       if (float_window) {
+               add_video_dialog->set_transient_for (*float_window);
+       }
+
+       if (add_video_dialog->is_visible()) {
+               /* we're already doing this */
+               return;
+       }
+
+       ResponseType r = (ResponseType) add_video_dialog->run ();
+       add_video_dialog->hide();
+       if (r != RESPONSE_ACCEPT) { return; }
+
+       bool local_file;
+       std::string path = add_video_dialog->file_name(local_file);
+       bool auto_set_session_fps = add_video_dialog->auto_set_session_fps();
+
+       if (local_file && !Glib::file_test(path, Glib::FILE_TEST_EXISTS)) {
+               warning << string_compose(_("could not open %1"), path) << endmsg;
+               return;
+       }
+       if (!local_file && path.length() == 0) {
+               warning << _("no video-file selected") << endmsg;
+               return;
+       }
+
+       switch (add_video_dialog->import_option()) {
+               case VTL_IMPORT_TRANSCODE:
+                       {
+                               TranscodeVideoDialog *transcode_video_dialog;
+                               transcode_video_dialog = new TranscodeVideoDialog (_session, path);
+                               ResponseType r = (ResponseType) transcode_video_dialog->run ();
+                               transcode_video_dialog->hide();
+                               if (r != RESPONSE_ACCEPT) {
+                                       delete transcode_video_dialog;
+                                       return;
+                               }
+                               if (!transcode_video_dialog->get_audiofile().empty()) {
+                                       editor->embed_audio_from_video(transcode_video_dialog->get_audiofile());
+                               }
+                               switch (transcode_video_dialog->import_option()) {
+                                       case VTL_IMPORT_TRANSCODED:
+                                               path = transcode_video_dialog->get_filename();
+                                               local_file = true;
+                                               break;
+                                       case VTL_IMPORT_REFERENCE:
+                                               break;
+                                       default:
+                                               delete transcode_video_dialog;
+                                               return;
+                               }
+                               delete transcode_video_dialog;
+                       }
+                       break;
+               default:
+               case VTL_IMPORT_NONE:
+                       break;
+       }
+
+       /* strip _session->session_directory().video_path() from video file if possible */
+       if (local_file && !path.compare(0, _session->session_directory().video_path().size(), _session->session_directory().video_path())) {
+                path=path.substr(_session->session_directory().video_path().size());
+                if (path.at(0) == G_DIR_SEPARATOR) {
+                        path=path.substr(1);
+                }
+       }
+
+       video_timeline->set_update_session_fps(auto_set_session_fps);
+       if (video_timeline->video_file_info(path, local_file)) {
+               XMLNode* node = new XMLNode(X_("Videotimeline"));
+               node->add_property (X_("Filename"), path);
+               node->add_property (X_("AutoFPS"), auto_set_session_fps?X_("1"):X_("0"));
+               node->add_property (X_("LocalFile"), local_file?X_("1"):X_("0"));
+               _session->add_extra_xml (*node);
+               _session->set_dirty ();
+
+               _session->maybe_update_session_range(
+                       std::max(video_timeline->get_offset(), (ARDOUR::frameoffset_t) 0),
+                       std::max(video_timeline->get_offset() + video_timeline->get_duration(), (ARDOUR::frameoffset_t) 0));
+
+
+               if (add_video_dialog->launch_xjadeo() && local_file) {
+                       editor->set_xjadeo_sensitive(true);
+                       editor->toggle_xjadeo_proc(1);
+               } else {
+                       editor->toggle_xjadeo_proc(0);
+               }
+               editor->toggle_ruler_video(true);
+       }
+}
+
+void
+ARDOUR_UI::remove_video ()
+{
+       video_timeline->close_session();
+       editor->toggle_ruler_video(false);
+
+       /* delete session state */
+       XMLNode* node = new XMLNode(X_("Videotimeline"));
+       _session->add_extra_xml(*node);
+       node = new XMLNode(X_("Videomonitor"));
+       _session->add_extra_xml(*node);
+       stop_video_server();
+}
+
+void
+ARDOUR_UI::flush_videotimeline_cache (bool localcacheonly)
+{
+       if (localcacheonly) {
+               video_timeline->vmon_update();
+       } else {
+               video_timeline->flush_cache();
+       }
+       editor->queue_visual_videotimeline_update();
 }
 
 XMLNode*
@@ -3345,8 +3714,8 @@ ARDOUR_UI::pending_state_dialog ()
        Image* image = new Image (Stock::DIALOG_QUESTION, ICON_SIZE_DIALOG);
        ArdourDialog dialog (_("Crash Recovery"), true);
        Label  message (string_compose (_("\
-This session appears to have been in\n\
-middle of recording when ardour or\n\
+This session appears to have been in the\n\
+middle of recording when %1 or\n\
 the computer was shutdown.\n\
 \n\
 %1 can recover any captured audio for\n\
@@ -3376,7 +3745,7 @@ int
 ARDOUR_UI::sr_mismatch_dialog (framecnt_t desired, framecnt_t actual)
 {
        HBox* hbox = new HBox();
-       Image* image = new Image (Stock::DIALOG_QUESTION, ICON_SIZE_DIALOG);
+       Image* image = new Image (Stock::DIALOG_WARNING, ICON_SIZE_DIALOG);
        ArdourDialog dialog (_("Sample Rate Mismatch"), true);
        Label  message (string_compose (_("\
 This session was created with a sample rate of %1 Hz, but\n\
@@ -3395,12 +3764,14 @@ audio may be played at the wrong sample rate.\n"), desired, PROGRAM_NAME, actual
        image->show();
        hbox->show();
 
-       switch (dialog.run ()) {
+       switch (dialog.run()) {
        case RESPONSE_ACCEPT:
                return 0;
        default:
-               return 1;
+                break;
        }
+
+        return 1;
 }
 
 
@@ -3454,12 +3825,12 @@ ARDOUR_UI::update_transport_clocks (framepos_t pos)
                secondary_clock->set (pos);
        }
 
-       if (big_clock_window->get()) {
+       if (big_clock_window) {
                big_clock->set (pos);
        }
+       ARDOUR_UI::instance()->video_timeline->manual_seek_video_monitor(pos);
 }
 
-
 void
 ARDOUR_UI::step_edit_status_change (bool yn)
 {
@@ -3480,7 +3851,7 @@ ARDOUR_UI::record_state_changed ()
 {
        ENSURE_GUI_THREAD (*this, &ARDOUR_UI::record_state_changed);
 
-       if (!_session || !big_clock_window->get()) {
+       if (!_session || !big_clock_window) {
                /* why bother - the clock isn't visible */
                return;
        }
@@ -3619,63 +3990,6 @@ ARDOUR_UI::setup_profile ()
        }
 }
 
-void
-ARDOUR_UI::toggle_translations ()
-{
-       using namespace Glib;
-
-       RefPtr<Action> act = ActionManager::get_action (X_("Main"), X_("EnableTranslation"));
-       if (act) {
-               RefPtr<ToggleAction> ract = RefPtr<ToggleAction>::cast_dynamic (act);
-               if (ract) {
-
-                       string i18n_killer = ARDOUR::translation_kill_path();
-
-                       bool already_enabled = !ARDOUR::translations_are_disabled ();
-
-                       if (ract->get_active ()) {
-                               /* we don't care about errors */
-                               int fd = ::open (i18n_killer.c_str(), O_RDONLY|O_CREAT, 0644);
-                               close (fd);
-                       } else {
-                               /* we don't care about errors */
-                               unlink (i18n_killer.c_str());
-                       }
-
-                       if (already_enabled != ract->get_active()) {
-                               MessageDialog win (already_enabled ? _("Translations disabled") : _("Translations enabled"),
-                                                  false,
-                                                  Gtk::MESSAGE_WARNING,
-                                                  Gtk::BUTTONS_OK);
-                               win.set_secondary_text (string_compose (_("You must restart %1 for this to take effect."), PROGRAM_NAME));
-                               win.set_position (Gtk::WIN_POS_CENTER);
-                               win.present ();
-                               win.run ();
-                       }
-               }
-       }
-}
-
-/** Add a window proxy to our list, so that its state will be saved.
- *  This call also causes the window to be created and opened if its
- *  state was saved as `visible'.
- */
-void
-ARDOUR_UI::add_window_proxy (WindowProxyBase* p)
-{
-       _window_proxies.push_back (p);
-       p->maybe_show ();
-}
-
-/** Remove a window proxy from our list.  Must be called if a WindowProxy
- *  is deleted, to prevent hanging pointers.
- */
-void
-ARDOUR_UI::remove_window_proxy (WindowProxyBase* p)
-{
-       _window_proxies.remove (p);
-}
-
 int
 ARDOUR_UI::missing_file (Session*s, std::string str, DataType type)
 {
@@ -3744,3 +4058,21 @@ ARDOUR_UI::midi_panic ()
                _session->midi_panic();
        }
 }
+
+void
+ARDOUR_UI::session_format_mismatch (std::string xml_path, std::string backup_path)
+{
+       const char* start_big = "<span size=\"x-large\" weight=\"bold\">";
+       const char* end_big = "</span>";
+       const char* start_mono = "<tt>";
+       const char* end_mono = "</tt>";
+
+       MessageDialog msg (string_compose (_("%4This is a session from an older version of %3%5\n\n"
+                                            "%3 has copied the old session file\n\n%6%1%7\n\nto\n\n%6%2%7\n\n"
+                                            "From now on, use the -2000 version with older versions of %3"),
+                                          xml_path, backup_path, PROGRAM_NAME,
+                                          start_big, end_big,
+                                          start_mono, end_mono), true);
+
+       msg.run ();
+}