X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=gtk2_ardour%2Fardour_ui_dialogs.cc;h=5422bb9957e4a8e0d62e213c63da2491883869ec;hb=20311ed2f3024bf8408171e1bc894f4934142128;hp=532b7ce76b3d6cb7db0d621f3c26f9d3a6a6bb01;hpb=e1f57ba8f086aa3629f09ca9363a9e44b01796f4;p=ardour.git

diff --git a/gtk2_ardour/ardour_ui_dialogs.cc b/gtk2_ardour/ardour_ui_dialogs.cc
index 532b7ce76b..5422bb9957 100644
--- a/gtk2_ardour/ardour_ui_dialogs.cc
+++ b/gtk2_ardour/ardour_ui_dialogs.cc
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2000 Paul Davis 
+    Copyright (C) 2000 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
@@ -18,23 +18,39 @@
 */
 
 /* This file contains any ARDOUR_UI methods that require knowledge of
-   the various dialog boxes, and exists so that no compilation dependency 
+   the various dialog boxes, and exists so that no compilation dependency
    exists between the main ARDOUR_UI modules and their respective classes.
    This is to cut down on the compile times.  It also helps with my sanity.
 */
 
-#include <ardour/session.h>
+#include "ardour/session.h"
+#include "ardour/audioengine.h"
+#include "ardour/automation_watch.h"
 
 #include "actions.h"
+#include "add_route_dialog.h"
+#include "add_video_dialog.h"
 #include "ardour_ui.h"
-#include "connection_editor.h"
+#include "big_clock_window.h"
+#include "bundle_manager.h"
+#include "global_port_matrix.h"
+#include "gui_object.h"
+#include "gui_thread.h"
+#include "keyeditor.h"
 #include "location_ui.h"
+#include "main_clock.h"
+#include "midi_tracer.h"
 #include "mixer_ui.h"
-#include "option_editor.h"
 #include "public_editor.h"
+#include "rc_option_editor.h"
 #include "route_params_ui.h"
+#include "shuttle_control.h"
+#include "session_option_editor.h"
+#include "speaker_dialog.h"
+#include "splash.h"
 #include "sfdb_ui.h"
 #include "theme_manager.h"
+#include "time_info_box.h"
 
 #include "i18n.h"
 
@@ -45,24 +61,58 @@ using namespace Gtk;
 using namespace Gtkmm2ext;
 
 void
-ARDOUR_UI::connect_to_session (Session *s)
+ARDOUR_UI::set_session (Session *s)
 {
-	session = s;
+	SessionHandlePtr::set_session (s);
 
-	session->HaltOnXrun.connect (mem_fun(*this, &ARDOUR_UI::halt_on_xrun_message));
-	session->RecordStateChanged.connect (mem_fun (*this, &ARDOUR_UI::record_state_changed));
+
+	if (!_session) {
+		WM::Manager::instance().set_session (s);
+		/* Session option editor cannot exist across change-of-session */
+		session_option_editor.drop_window ();
+		/* Ditto for AddVideoDialog */
+		add_video_dialog.drop_window ();
+		return;
+	}
+
+	const XMLNode* node = _session->extra_xml (X_("UI"));
+
+	if (node) {
+		const XMLNodeList& children = node->children();
+		for (XMLNodeList::const_iterator i = children.begin(); i != children.end(); ++i) {
+			if ((*i)->name() == GUIObjectState::xml_node_name) {
+				gui_object_state->load (**i);
+				break;
+			}
+		}
+	}
+
+	WM::Manager::instance().set_session (s);
+
+	AutomationWatch::instance().set_session (s);
+
+	if (shuttle_box) {
+		shuttle_box->set_session (s);
+	}
+
+	primary_clock->set_session (s);
+	secondary_clock->set_session (s);
+	big_clock->set_session (s);
+	time_info_box->set_session (s);
+	video_timeline->set_session (s);
 
 	/* sensitize menu bar options that are now valid */
 
 	ActionManager::set_sensitive (ActionManager::session_sensitive_actions, true);
-	
-	if (session->locations()->num_range_markers()) {
+	ActionManager::set_sensitive (ActionManager::write_sensitive_actions, _session->writable());
+
+	if (_session->locations()->num_range_markers()) {
 		ActionManager::set_sensitive (ActionManager::range_sensitive_actions, true);
 	} else {
 		ActionManager::set_sensitive (ActionManager::range_sensitive_actions, false);
 	}
 
-	if (!session->control_out()) {
+	if (!_session->monitor_out()) {
 		Glib::RefPtr<Action> act = ActionManager::get_action (X_("options"), X_("SoloViaBus"));
 		if (act) {
 			act->set_sensitive (false);
@@ -78,114 +128,110 @@ ARDOUR_UI::connect_to_session (Session *s)
 
 	/* there are never any selections on startup */
 
-	ActionManager::set_sensitive (ActionManager::region_selection_sensitive_actions, false);
 	ActionManager::set_sensitive (ActionManager::time_selection_sensitive_actions, false);
 	ActionManager::set_sensitive (ActionManager::track_selection_sensitive_actions, false);
 	ActionManager::set_sensitive (ActionManager::line_selection_sensitive_actions, false);
 	ActionManager::set_sensitive (ActionManager::point_selection_sensitive_actions, false);
 	ActionManager::set_sensitive (ActionManager::playlist_selection_sensitive_actions, false);
 
-	session->locations()->added.connect (mem_fun (*this, &ARDOUR_UI::handle_locations_change));
-	session->locations()->removed.connect (mem_fun (*this, &ARDOUR_UI::handle_locations_change));
-
 	rec_button.set_sensitive (true);
-	shuttle_box.set_sensitive (true);
-	
-	if (connection_editor) {
-		connection_editor->set_session (s);
-	}
-
-	if (location_ui) {
-		location_ui->set_session(s);
-	}
-
-	if (route_params) {
-		route_params->set_session (s);
-	}
 
-	if (option_editor) {
-		option_editor->set_session (s);
-	}
+	solo_alert_button.set_active (_session->soloing());
 
 	setup_session_options ();
 
-	Blink.connect (mem_fun(*this, &ARDOUR_UI::transport_rec_enable_blink));
-	Blink.connect (mem_fun(*this, &ARDOUR_UI::solo_blink));
-	Blink.connect (mem_fun(*this, &ARDOUR_UI::audition_blink));
-
-	/* these are all need to be handled in an RT-safe and MT way, so don't
-	   do any GUI work, just queue it for handling by the GUI thread.
-	*/
-
-	session->TransportStateChange.connect (mem_fun(*this, &ARDOUR_UI::queue_transport_change));
-
-	/* alert the user to these things happening */
-
-	session->AuditionActive.connect (mem_fun(*this, &ARDOUR_UI::auditioning_changed));
-	session->SoloActive.connect (mem_fun(*this, &ARDOUR_UI::soloing_changed));
-
-	solo_alert_button.set_active (session->soloing());
-
-	/* update autochange callback on dirty state changing */
-
-	session->DirtyChanged.connect (mem_fun(*this, &ARDOUR_UI::update_autosave));
-
-	/* can't be auditioning here */
-
-	primary_clock.set_session (s);
-	secondary_clock.set_session (s);
-	big_clock.set_session (s);
-	preroll_clock.set_session (s);
-	postroll_clock.set_session (s);
+	Blink.connect (sigc::mem_fun(*this, &ARDOUR_UI::transport_rec_enable_blink));
+	Blink.connect (sigc::mem_fun(*this, &ARDOUR_UI::solo_blink));
+	Blink.connect (sigc::mem_fun(*this, &ARDOUR_UI::sync_blink));
+	Blink.connect (sigc::mem_fun(*this, &ARDOUR_UI::audition_blink));
+	Blink.connect (sigc::mem_fun(*this, &ARDOUR_UI::feedback_blink));
+
+	_session->RecordStateChanged.connect (_session_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::record_state_changed, this), gui_context());
+	_session->StepEditStatusChange.connect (_session_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::step_edit_status_change, this, _1), gui_context());
+	_session->TransportStateChange.connect (_session_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::map_transport_state, this), gui_context());
+	_session->DirtyChanged.connect (_session_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::update_autosave, this), gui_context());
+
+	_session->Xrun.connect (_session_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::xrun_handler, this, _1), gui_context());
+	_session->SoloActive.connect (_session_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::soloing_changed, this, _1), gui_context());
+	_session->AuditionActive.connect (_session_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::auditioning_changed, this, _1), gui_context());
+	_session->locations()->added.connect (_session_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::handle_locations_change, this, _1), gui_context());
+	_session->locations()->removed.connect (_session_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::handle_locations_change, this, _1), gui_context());
+	_session->config.ParameterChanged.connect (_session_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::session_parameter_changed, this, _1), gui_context ());
+
+#ifdef HAVE_JACK_SESSION
+	engine->JackSessionEvent.connect (*_session, MISSING_INVALIDATOR, boost::bind (&Session::jack_session_event, _session, _1), gui_context());
+#endif
 
 	/* Clocks are on by default after we are connected to a session, so show that here.
 	*/
-	
+
 	connect_dependents_to_session (s);
 
 	/* listen to clock mode changes. don't do this earlier because otherwise as the clocks
 	   restore their modes or are explicitly set, we will cause the "new" mode to be saved
-	   back to the session XML ("extra") state.
+	   back to the session XML ("Extra") state.
 	 */
 
-	AudioClock::ModeChanged.connect (mem_fun (*this, &ARDOUR_UI::store_clock_modes));
+	AudioClock::ModeChanged.connect (sigc::mem_fun (*this, &ARDOUR_UI::store_clock_modes));
 
-	Glib::signal_idle().connect (mem_fun (*this, &ARDOUR_UI::first_idle));
+	Glib::signal_idle().connect (sigc::mem_fun (*this, &ARDOUR_UI::first_idle));
 
 	start_clocking ();
 	start_blinking ();
 
-	transport_stopped ();
+	map_transport_state ();
+
+	second_connection = Glib::signal_timeout().connect (sigc::mem_fun(*this, &ARDOUR_UI::every_second), 1000);
+	point_one_second_connection = Glib::signal_timeout().connect (sigc::mem_fun(*this, &ARDOUR_UI::every_point_one_seconds), 100);
+	point_zero_one_second_connection = Glib::signal_timeout().connect (sigc::mem_fun(*this, &ARDOUR_UI::every_point_zero_one_seconds), 40);
 
-	second_connection = Glib::signal_timeout().connect (mem_fun(*this, &ARDOUR_UI::every_second), 1000);
-	point_one_second_connection = Glib::signal_timeout().connect (mem_fun(*this, &ARDOUR_UI::every_point_one_seconds), 100);
-	point_zero_one_second_connection = Glib::signal_timeout().connect (mem_fun(*this, &ARDOUR_UI::every_point_zero_one_seconds), 40);
+	update_format ();
 }
 
-bool
-ARDOUR_UI::unload_session ()
+int
+ARDOUR_UI::unload_session (bool hide_stuff)
 {
-	if (session && session->dirty()) {
-		switch (ask_about_saving_session (_("close"))) {
+	if (_session) {
+		ARDOUR_UI::instance()->video_timeline->sync_session_state();
+	}
+
+	if (_session && _session->dirty()) {
+		std::vector<std::string> actions;
+		actions.push_back (_("Don't close"));
+		actions.push_back (_("Just close"));
+		actions.push_back (_("Save and close"));
+		switch (ask_about_saving_session (actions)) {
 		case -1:
 			// cancel
-			return false;
-			
+			return 1;
+
 		case 1:
-			session->save_state ("");
+			_session->save_state ("");
 			break;
 		}
 	}
-	editor->hide ();
+
+	if (hide_stuff) {
+		editor->hide ();
+		mixer->hide ();
+		meterbridge->hide ();
+		theme_manager->hide ();
+		audio_port_matrix->hide();
+		midi_port_matrix->hide();
+		route_params->hide();
+	}
+
 	second_connection.disconnect ();
 	point_one_second_connection.disconnect ();
 	point_oh_five_second_connection.disconnect ();
 	point_zero_one_second_connection.disconnect();
 
 	ActionManager::set_sensitive (ActionManager::session_sensitive_actions, false);
-	
+
 	rec_button.set_sensitive (false);
-	shuttle_box.set_sensitive (false);
+
+	WM::Manager::instance().set_session ((ARDOUR::Session*) 0);
+	ARDOUR_UI::instance()->video_timeline->close_session();
 
 	stop_blinking ();
 	stop_clocking ();
@@ -194,191 +240,261 @@ ARDOUR_UI::unload_session ()
 
 	Blink.clear ();
 
-	primary_clock.set_session (0);
-	secondary_clock.set_session (0);
-	big_clock.set_session (0);
-	preroll_clock.set_session (0);
-	postroll_clock.set_session (0);
+	delete _session;
+	_session = 0;
 
-	if (option_editor) {
-		option_editor->set_session (0);
-	}
-
-	if (mixer) {
-		mixer->hide_all ();
-	}
-
-	delete session;
-	session = 0;
+	session_loaded = false;
 
 	update_buffer_load ();
 
-	return true;
+	return 0;
 }
 
-int
-ARDOUR_UI::create_connection_editor ()
+static bool
+_hide_splash (gpointer arg)
 {
-#if 0
-	if (connection_editor == 0) {
-		connection_editor = new ConnectionEditor ();
-		connection_editor->signal_unmap().connect (sigc::bind (ptr_fun(&ActionManager::uncheck_toggleaction), X_("<Actions>/Common/ToggleConnections")));
-	}
+	((ARDOUR_UI*)arg)->hide_splash();
+	return false;
+}
 
-	if (session) {
-		connection_editor->set_session (session);
+void
+ARDOUR_UI::goto_editor_window ()
+{
+	if (splash && splash->is_visible()) {
+		// in 2 seconds, hide the splash screen
+		Glib::signal_timeout().connect (sigc::bind (sigc::ptr_fun (_hide_splash), this), 2000);
 	}
-#endif
 
-	return 0;
+	editor->show_window ();
+	editor->present ();
+	/* mixer should now be on top */
+	WM::Manager::instance().set_transient_for (editor);
+	_mixer_on_top = false;
 }
 
 void
-ARDOUR_UI::toggle_connection_editor ()
+ARDOUR_UI::goto_mixer_window ()
 {
-	if (create_connection_editor()) {
-		return;
+	Glib::RefPtr<Gdk::Window> win;
+	Glib::RefPtr<Gdk::Screen> screen;
+	
+	if (editor) {
+		win = editor->get_window ();
 	}
 
-#if 0
-	RefPtr<Action> act = ActionManager::get_action (X_("Common"), X_("ToggleConnections"));
-	if (act) {
-		RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
+	if (win) {
+		screen = win->get_screen();
+	} else {
+		screen = Gdk::Screen::get_default();
+	}
 	
-		if (tact->get_active()) {
-			connection_editor->show_all ();
-			connection_editor->present ();
-		} else {
-			connection_editor->hide ();
-		} 
+	if (screen && screen->get_height() < 700) {
+		Gtk::MessageDialog msg (_("This screen is not tall enough to display the mixer window"));
+		msg.run ();
+		return;
 	}
-#endif
+
+	mixer->show_window ();
+	mixer->present ();
+	/* mixer should now be on top */
+	WM::Manager::instance().set_transient_for (mixer);
+	_mixer_on_top = true;
 }
 
 void
-ARDOUR_UI::toggle_big_clock_window ()
+ARDOUR_UI::toggle_mixer_window ()
 {
-	RefPtr<Action> act = ActionManager::get_action (X_("Common"), X_("ToggleBigClock"));
-	if (act) {
-		RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
-	
-		if (tact->get_active()) {
-			big_clock_window->show_all ();
-			big_clock_window->present ();
-		} else {
-			big_clock_window->hide ();
-		} 
+	Glib::RefPtr<Action> act = ActionManager::get_action (X_("Common"), X_("toggle-mixer"));
+	if (!act) {
+		return;
+	}
+
+	Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic (act);
+
+	if (tact->get_active()) {
+		goto_mixer_window ();
+	} else {
+		mixer->hide ();
 	}
 }
 
 void
-ARDOUR_UI::toggle_options_window ()
+ARDOUR_UI::toggle_meterbridge ()
 {
-	if (option_editor == 0) {
-		option_editor = new OptionEditor (*this, *editor, *mixer);
-		option_editor->signal_unmap().connect(sigc::bind (sigc::ptr_fun(&ActionManager::uncheck_toggleaction), X_("<Actions>/Common/ToggleOptionsEditor")));
-		option_editor->set_session (session);
-	} 
+	Glib::RefPtr<Action> act = ActionManager::get_action (X_("Common"), X_("toggle-meterbridge"));
+	if (!act) {
+		return;
+	}
 
-	RefPtr<Action> act = ActionManager::get_action (X_("Common"), X_("ToggleOptionsEditor"));
-	if (act) {
-		RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
-	
-		if (tact->get_active()) {
-			option_editor->show_all ();
-			option_editor->present ();
-		} else {
-			option_editor->hide ();
-		} 
+	Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic (act);
+
+	if (tact->get_active()) {
+		meterbridge->show_window ();
+	} else {
+		meterbridge->hide_window (NULL);
 	}
 }
 
-int
-ARDOUR_UI::create_location_ui ()
+void
+ARDOUR_UI::toggle_editor_mixer ()
 {
-	if (location_ui == 0) {
-		location_ui = new LocationUI ();
-		location_ui->set_session (session);
-		location_ui->signal_unmap().connect (sigc::bind (sigc::ptr_fun(&ActionManager::uncheck_toggleaction), X_("<Actions>/Common/ToggleLocations")));
-	}
-	return 0;
+	bool obscuring = false;
+	/* currently, if windows are on different
+	   screens then we do nothing; but in the
+	   future we may want to bring the window 
+	   to the front or something, so I'm leaving this 
+	   variable for future use
+	*/
+        bool same_screen = true; 
+	
+        if (editor && mixer) {
+
+		/* remeber: Screen != Monitor (Screen is a separately rendered
+		 * continuous geometry that make include 1 or more monitors.
+		 */
+		
+                if (editor->get_screen() != mixer->get_screen() && (mixer->get_screen() != 0) && (editor->get_screen() != 0)) {
+                        // different screens, so don't do anything
+                        same_screen = false;
+                } else {
+                        // they are on the same screen, see if they are obscuring each other
+
+                        gint ex, ey, ew, eh;
+                        gint mx, my, mw, mh;
+
+                        editor->get_position (ex, ey);
+                        editor->get_size (ew, eh);
+
+                        mixer->get_position (mx, my);
+                        mixer->get_size (mw, mh);
+
+                        GdkRectangle e;
+                        GdkRectangle m;
+                        GdkRectangle r;
+
+                        e.x = ex;
+                        e.y = ey;
+                        e.width = ew;
+                        e.height = eh;
+
+                        m.x = mx;
+                        m.y = my;
+                        m.width = mw;
+                        m.height = mh;
+
+        		if (gdk_rectangle_intersect (&e, &m, &r)) {
+                                obscuring = true;
+                        }
+                }
+        }
+
+        if (mixer && !mixer->not_visible() && mixer->property_has_toplevel_focus()) {
+                if (obscuring && same_screen) {
+                        goto_editor_window();
+                }
+        } else if (editor && !editor->not_visible() && editor->property_has_toplevel_focus()) {
+                if (obscuring && same_screen) {
+                        goto_mixer_window();
+                }
+        } else if (mixer && mixer->not_visible()) {
+                if (obscuring && same_screen) {
+                        goto_mixer_window ();
+                }
+        } else if (editor && editor->not_visible()) {
+                if (obscuring && same_screen) {
+                        goto_editor_window ();
+                }
+        } else if (obscuring && same_screen) {
+                //it's unclear what to do here, so just do the opposite of what we did last time  (old behavior)
+                if (_mixer_on_top) {
+			goto_editor_window ();
+		} else {
+			goto_mixer_window ();
+		}
+        }
 }
 
 void
-ARDOUR_UI::toggle_location_window ()
+ARDOUR_UI::new_midi_tracer_window ()
 {
-	if (create_location_ui()) {
+	RefPtr<Action> act = ActionManager::get_action (X_("Common"), X_("NewMIDITracer"));
+	if (!act) {
 		return;
 	}
 
-	RefPtr<Action> act = ActionManager::get_action (X_("Common"), X_("ToggleLocations"));
-	if (act) {
-		RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
-	
-		if (tact->get_active()) {
-			location_ui->show_all ();
-			location_ui->present ();
-		} else {
-			location_ui->hide ();
-		} 
+	std::list<MidiTracer*>::iterator i = _midi_tracer_windows.begin ();
+	while (i != _midi_tracer_windows.end() && (*i)->get_visible() == true) {
+		++i;
+	}
+
+	if (i == _midi_tracer_windows.end()) {
+		/* all our MIDITracer windows are visible; make a new one */
+		MidiTracer* t = new MidiTracer ();
+		t->show_all ();
+		_midi_tracer_windows.push_back (t);
+	} else {
+		/* re-use the hidden one */
+		(*i)->show_all ();
 	}
 }
 
-void
-ARDOUR_UI::toggle_theme_manager ()
+BundleManager*
+ARDOUR_UI::create_bundle_manager ()
 {
-	RefPtr<Action> act = ActionManager::get_action (X_("Common"), X_("ToggleThemeManager"));
-	if (act) {
-		RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
-	
-		if (tact->get_active()) {
-			theme_manager->show_all ();
-			theme_manager->present ();
-		} else {
-			theme_manager->hide ();
-		} 
-	}
+	return new BundleManager (_session);
 }
 
-int
-ARDOUR_UI::create_route_params ()
+AddVideoDialog*
+ARDOUR_UI::create_add_video_dialog ()
 {
-	if (route_params == 0) {
-		route_params = new RouteParams_UI ();
-		route_params->set_session (session);
-		route_params->signal_unmap().connect (sigc::bind(sigc::ptr_fun(&ActionManager::uncheck_toggleaction), X_("<Actions>/Common/ToggleInspector")));
-	}
-	return 0;
+	return new AddVideoDialog (_session);
 }
 
-void
-ARDOUR_UI::toggle_route_params_window ()
+SessionOptionEditor*
+ARDOUR_UI::create_session_option_editor ()
 {
-	if (create_route_params ()) {
-		return;
-	}
+	return new SessionOptionEditor (_session);
+}
 
-	RefPtr<Action> act = ActionManager::get_action (X_("Common"), X_("ToggleInspector"));
-	if (act) {
-		RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
-	
-		if (tact->get_active()) {
-			route_params->show_all ();
-			route_params->present ();
-		} else {
-			route_params->hide ();
-		} 
-	}
+BigClockWindow*
+ARDOUR_UI::create_big_clock_window ()
+{
+	return new BigClockWindow (*big_clock);
 }
 
 void
-ARDOUR_UI::handle_locations_change (Location* ignored)
+ARDOUR_UI::handle_locations_change (Location *)
 {
-	if (session) {
-		if (session->locations()->num_range_markers()) {
+	if (_session) {
+		if (_session->locations()->num_range_markers()) {
 			ActionManager::set_sensitive (ActionManager::range_sensitive_actions, true);
 		} else {
 			ActionManager::set_sensitive (ActionManager::range_sensitive_actions, false);
 		}
 	}
 }
+
+bool
+ARDOUR_UI::main_window_state_event_handler (GdkEventWindowState* ev, bool window_was_editor)
+{
+	if (window_was_editor) {
+
+		if ((ev->changed_mask & GDK_WINDOW_STATE_FULLSCREEN) &&
+		    (ev->new_window_state & GDK_WINDOW_STATE_FULLSCREEN)) {
+			if (big_clock_window) {
+				big_clock_window->set_transient_for (*editor);
+			}
+		}
+
+	} else {
+
+		if ((ev->changed_mask & GDK_WINDOW_STATE_FULLSCREEN) &&
+		    (ev->new_window_state & GDK_WINDOW_STATE_FULLSCREEN)) {
+			if (big_clock_window) {
+				big_clock_window->set_transient_for (*mixer);
+			}
+		}
+	}
+
+	return false;
+}