X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=gtk2_ardour%2Fmeterbridge.cc;h=02350c92bf114345012bfc95a092c4b30a1b5219;hb=fdf63ace6a655f772a46e73719de14f9dd6fb940;hp=dbed1a42ec6ff2c1b9f3f6a8eaffd709a81fb430;hpb=c72702883bf68477fd1a26974064afdc9709895f;p=ardour.git

diff --git a/gtk2_ardour/meterbridge.cc b/gtk2_ardour/meterbridge.cc
index dbed1a42ec..02350c92bf 100644
--- a/gtk2_ardour/meterbridge.cc
+++ b/gtk2_ardour/meterbridge.cc
@@ -43,6 +43,7 @@
 
 #include "meterbridge.h"
 
+#include "keyboard.h"
 #include "monitor_section.h"
 #include "public_editor.h"
 #include "ardour_ui.h"
@@ -50,15 +51,19 @@
 #include "route_sorter.h"
 #include "actions.h"
 #include "gui_thread.h"
+#include "meter_patterns.h"
+#include "timers.h"
 
-#include "i18n.h"
+#include "pbd/i18n.h"
 
 using namespace ARDOUR;
+using namespace ARDOUR_UI_UTILS;
 using namespace PBD;
 using namespace Gtk;
 using namespace Glib;
 using namespace Gtkmm2ext;
 using namespace std;
+using namespace ArdourMeter;
 
 using PBD::atoi;
 
@@ -74,52 +79,14 @@ Meterbridge::instance ()
 	return _instance;
 }
 
-/* copy from gtk2_ardour/mixer_ui.cc -- TODO consolidate
- * used by Meterbridge::set_session() below
- */
-struct SignalOrderRouteSorter {
-	bool operator() (boost::shared_ptr<Route> a, boost::shared_ptr<Route> b) {
-		if (a->is_master() || a->is_monitor()) {
-			/* "a" is a special route (master, monitor, etc), and comes
-			 * last in the mixer ordering
-			 */
-			return false;
-		} else if (b->is_master() || b->is_monitor()) {
-			/* everything comes before b */
-			return true;
-		}
-		return a->order_key (MixerSort) < b->order_key (MixerSort);
-	}
-};
-
-/* modified version of above
- * used in Meterbridge::sync_order_keys()
- */
-struct MeterOrderRouteSorter {
-	bool operator() (MeterStrip *ma, MeterStrip *mb) {
-		boost::shared_ptr<Route> a = ma->route();
-		boost::shared_ptr<Route> b = mb->route();
-		if (a->is_master() || a->is_monitor()) {
-			/* "a" is a special route (master, monitor, etc), and comes
-			 * last in the mixer ordering
-			 */
-			return false;
-		} else if (b->is_master() || b->is_monitor()) {
-			/* everything comes before b */
-			return true;
-		}
-		return a->order_key (MixerSort) < b->order_key (MixerSort);
-	}
-};
-
-
 Meterbridge::Meterbridge ()
 	: Window (Gtk::WINDOW_TOPLEVEL)
 	, VisibilityTracker (*((Gtk::Window*) this))
 	, _visible (false)
 	, _show_busses (false)
-	, metrics_left (2)
-	, metrics_right (3)
+	, metrics_left (1, MeterPeak)
+	, metrics_right (2, MeterPeak)
+	, cur_max_width (-1)
 {
 	set_name ("Meter Bridge");
 
@@ -134,10 +101,14 @@ Meterbridge::Meterbridge ()
 
 	Gdk::Geometry geom;
 	geom.max_width = 1<<16;
-	geom.max_height = 1024 + 148 + 16 + 12 ; // see FastMeter::max_pattern_metric_size + meter-strip widgets
-	set_geometry_hints(*((Gtk::Window*) this), geom, Gdk::HINT_MAX_SIZE);
+	geom.max_height = max_height;
+	geom.min_width = 40;
+	geom.min_height = -1;
+	geom.height_inc = 16;
+	geom.width_inc = 1;
+	assert(max_height % 16 == 0);
+	set_geometry_hints(*((Gtk::Window*) this), geom, Gdk::HINT_MIN_SIZE | Gdk::HINT_MAX_SIZE | Gdk::HINT_RESIZE_INC);
 
-	set_keep_above (true);
 	set_border_width (0);
 
 	metrics_vpacker_left.pack_start (metrics_left, true, true);
@@ -152,11 +123,9 @@ Meterbridge::Meterbridge ()
 
 	signal_delete_event().connect (sigc::mem_fun (*this, &Meterbridge::hide_window));
 	signal_configure_event().connect (sigc::mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::configure_handler));
-	Route::SyncOrderKeys.connect (*this, invalidator (*this), boost::bind (&Meterbridge::sync_order_keys, this, _1), gui_context());
 	MeterStrip::CatchDeletion.connect (*this, invalidator (*this), boost::bind (&Meterbridge::remove_strip, this, _1), gui_context());
-	MeterStrip::ResetAllPeakDisplays.connect_same_thread (*this, boost::bind(&Meterbridge::reset_all_peaks, this));
-	MeterStrip::ResetGroupPeakDisplays.connect_same_thread (*this, boost::bind (&Meterbridge::reset_group_peaks, this, _1));
-	MeterStrip::MetricChanged.connect_same_thread (*this, boost::bind(&Meterbridge::update_metrics, this));
+	MeterStrip::MetricChanged.connect (*this, invalidator (*this), boost::bind(&Meterbridge::resync_order, this), gui_context());
+	MeterStrip::ConfigurationChanged.connect (*this, invalidator (*this), boost::bind(&Meterbridge::queue_resize, this), gui_context());
 
 	/* work around ScrolledWindowViewport alignment mess Part one */
 	Gtk::HBox * yspc = manage (new Gtk::HBox());
@@ -200,10 +169,18 @@ Meterbridge::Meterbridge ()
 	Gtk::Viewport* viewport = (Gtk::Viewport*) scroller.get_child();
 	viewport->set_shadow_type(Gtk::SHADOW_NONE);
 	viewport->set_border_width(0);
+
+	UI::instance()->theme_changed.connect (sigc::mem_fun(*this, &Meterbridge::on_theme_changed));
+	UIConfiguration::instance().ColorsChanged.connect (sigc::mem_fun (*this, &Meterbridge::on_theme_changed));
+	UIConfiguration::instance().DPIReset.connect (sigc::mem_fun (*this, &Meterbridge::on_theme_changed));
 }
 
 Meterbridge::~Meterbridge ()
 {
+	while (_metrics.size() > 0) {
+		delete (_metrics.back());
+		_metrics.pop_back();
+	}
 }
 
 void
@@ -265,6 +242,7 @@ Meterbridge::get_window_pos_and_size ()
 bool
 Meterbridge::hide_window (GdkEventAny *ev)
 {
+	if (!_visible) return 0;
 	get_window_pos_and_size();
 	_visible = false;
 	return just_hide_it(ev, static_cast<Gtk::Window *>(this));
@@ -276,7 +254,7 @@ Meterbridge::on_key_press_event (GdkEventKey* ev)
 	if (gtk_window_propagate_key_event (GTK_WINDOW(gobj()), ev)) {
 		return true;
 	}
-	return forward_key_press (ev);
+	return relay_key_press (ev, this);
 }
 
 bool
@@ -289,10 +267,76 @@ Meterbridge::on_key_release_event (GdkEventKey* ev)
 	return true;
 }
 
+bool
+Meterbridge::on_scroll_event (GdkEventScroll* ev)
+{
+	switch (ev->direction) {
+	case GDK_SCROLL_LEFT:
+		scroll_left ();
+		return true;
+	case GDK_SCROLL_UP:
+		if (ev->state & Keyboard::TertiaryModifier) {
+			scroll_left ();
+			return true;
+		}
+		return false;
+
+	case GDK_SCROLL_RIGHT:
+		scroll_right ();
+		return true;
+
+	case GDK_SCROLL_DOWN:
+		if (ev->state & Keyboard::TertiaryModifier) {
+			scroll_right ();
+			return true;
+		}
+		return false;
+	}
+
+	return false;
+}
+
+void
+Meterbridge::scroll_left ()
+{
+	if (!scroller.get_hscrollbar()) return;
+	Adjustment* adj = scroller.get_hscrollbar()->get_adjustment();
+	/* stupid GTK: can't rely on clamping across versions */
+	scroller.get_hscrollbar()->set_value (max (adj->get_lower(), adj->get_value() - adj->get_step_increment()));
+}
+
+void
+Meterbridge::scroll_right ()
+{
+	if (!scroller.get_hscrollbar()) return;
+	Adjustment* adj = scroller.get_hscrollbar()->get_adjustment();
+	/* stupid GTK: can't rely on clamping across versions */
+	scroller.get_hscrollbar()->set_value (min (adj->get_upper(), adj->get_value() + adj->get_step_increment()));
+}
+
 void
 Meterbridge::on_size_request (Gtk::Requisition* r)
 {
+	meter_clear_pattern_cache(3);
 	Gtk::Window::on_size_request(r);
+
+	Gdk::Geometry geom;
+	Gtk::Requisition mr = meterarea.size_request();
+
+	geom.max_width = mr.width + metrics_left.get_width() + metrics_right.get_width();
+	geom.max_width = std::max(50, geom.max_width);
+	geom.max_height = max_height;
+
+	if (cur_max_width != geom.max_width) {
+		cur_max_width = geom.max_width;
+		/* height resizes are 'heavy' since the metric areas and meter-patterns
+		 * are re-generated. limit to 16px steps. */
+		geom.height_inc = 16;
+		geom.width_inc = 1;
+		geom.min_width = 40;
+		geom.min_height = -1;
+		set_geometry_hints(*((Gtk::Window*) this), geom, Gdk::HINT_MIN_SIZE | Gdk::HINT_MAX_SIZE | Gdk::HINT_RESIZE_INC);
+	}
 }
 
 void
@@ -300,18 +344,16 @@ Meterbridge::on_size_allocate (Gtk::Allocation& a)
 {
 	const Gtk::Scrollbar * hsc = scroller.get_hscrollbar();
 
+	/* switch left/right edge patterns depending on horizontal scroll-position */
 	if (scroller.get_hscrollbar_visible() && hsc) {
+		if (!scroll_connection.connected()) {
+			scroll_connection = scroller.get_hscrollbar()->get_adjustment()->signal_value_changed().connect(sigc::mem_fun (*this, &Meterbridge::on_scroll));
+			scroller.get_hscrollbar()->get_adjustment()->signal_changed().connect(sigc::mem_fun (*this, &Meterbridge::on_scroll));
+		}
 		gint scrollbar_spacing;
 		gtk_widget_style_get (GTK_WIDGET (scroller.gobj()),
 				"scrollbar-spacing", &scrollbar_spacing, NULL);
 		const int h = hsc->get_height() + scrollbar_spacing + 1;
-#if 1 // debug
-		Gtk::Viewport* viewport = (Gtk::Viewport*) scroller.get_child();
-		if (get_height() - viewport->get_height() != h) {
-			printf("scrollbar height vs win-view height: %d vs %d\n",
-					h, get_height() - viewport->get_height());
-		}
-#endif
 		metrics_spacer_left.set_size_request(-1, h);
 		metrics_spacer_right.set_size_request(-1, h);
 	} else {
@@ -321,6 +363,57 @@ Meterbridge::on_size_allocate (Gtk::Allocation& a)
 	Gtk::Window::on_size_allocate(a);
 }
 
+void
+Meterbridge::on_scroll()
+{
+	if (!scroller.get_hscrollbar()) return;
+
+	Adjustment* adj = scroller.get_hscrollbar()->get_adjustment();
+	int leftend = adj->get_value();
+	int rightend = scroller.get_width() + leftend;
+
+	int mm_left = _mm_left;
+	int mm_right = _mm_right;
+	ARDOUR::MeterType mt_left = _mt_left;
+	ARDOUR::MeterType mt_right = _mt_right;
+
+	for (unsigned int i = 0; i < _metrics.size(); ++i) {
+		int sx, dx = 0, dy = 0;
+		int mm = _metrics[i]->get_metric_mode();
+		sx = (mm & 2) ? _metrics[i]->get_width() : 0;
+
+		_metrics[i]->translate_coordinates(meterarea, sx, 0, dx, dy);
+
+		if (dx < leftend && !(mm&2)) {
+			mm_left = mm;
+			mt_left = _metrics[i]->meter_type();
+		}
+		if (dx > rightend && (mm&2)) {
+			mm_right = mm;
+			mt_right = _metrics[i]->meter_type();
+			break;
+		}
+	}
+	metrics_left.set_metric_mode(mm_left, mt_left);
+	metrics_right.set_metric_mode(mm_right, mt_right);
+}
+
+struct PresentationInfoRouteSorter
+{
+	bool operator() (boost::shared_ptr<Route> a, boost::shared_ptr<Route> b) {
+		if (a->is_master() || a->is_monitor()) {
+			/* "a" is a special route (master, monitor, etc), and comes
+			 * last in the mixer ordering
+			 */
+			return false;
+		} else if (b->is_master() || b->is_monitor()) {
+			/* everything comes before b */
+			return true;
+		}
+		return a->presentation_info().order() < b->presentation_info().order();
+	}
+};
+
 void
 Meterbridge::set_session (Session* s)
 {
@@ -330,29 +423,34 @@ Meterbridge::set_session (Session* s)
 		return;
 	}
 
+	metrics_left.set_session(s);
+	metrics_right.set_session(s);
+
 	XMLNode* node = _session->instant_xml(X_("Meterbridge"));
 	if (node) {
 		set_state (*node);
 	}
 
 	update_title ();
-	_show_busses = _session->config.get_show_busses_in_meterbridge();
+	_show_busses = _session->config.get_show_busses_on_meterbridge();
+	_show_master = _session->config.get_show_master_on_meterbridge();
+	_show_midi = _session->config.get_show_midi_on_meterbridge();
 
-	SignalOrderRouteSorter sorter;
 	boost::shared_ptr<RouteList> routes = _session->get_routes();
 
-	RouteList copy(*routes);
-	copy.sort(sorter);
-	add_strips(copy);
+	RouteList copy (*routes);
+	copy.sort (PresentationInfoRouteSorter());
+	add_strips (copy);
 
 	_session->RouteAdded.connect (_session_connections, invalidator (*this), boost::bind (&Meterbridge::add_strips, this, _1), gui_context());
 	_session->DirtyChanged.connect (_session_connections, invalidator (*this), boost::bind (&Meterbridge::update_title, this), gui_context());
 	_session->StateSaved.connect (_session_connections, invalidator (*this), boost::bind (&Meterbridge::update_title, this), gui_context());
 	_session->config.ParameterChanged.connect (*this, invalidator (*this), ui_bind (&Meterbridge::parameter_changed, this, _1), gui_context());
+	Config->ParameterChanged.connect (*this, invalidator (*this), ui_bind (&Meterbridge::parameter_changed, this, _1), gui_context());
 
 	if (_visible) {
 		show_window();
-		ActionManager::check_toggleaction ("<Actions>/Common/toggle-meterbridge");
+		present ();
 	}
 	start_updating ();
 }
@@ -362,8 +460,8 @@ Meterbridge::session_going_away ()
 {
 	ENSURE_GUI_THREAD (*this, &Meterbridge::session_going_away);
 
-	for (list<MeterStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
-		delete (*i);
+	for (list<MeterBridgeStrip>::iterator i = strips.begin(); i != strips.end(); ++i) {
+		delete ((*i).s);
 	}
 
 	strips.clear ();
@@ -378,7 +476,7 @@ Meterbridge::session_going_away ()
 int
 Meterbridge::set_state (const XMLNode& node)
 {
-	const XMLProperty* prop;
+	XMLProperty const * prop;
 	XMLNode* geometry;
 
 	m_width = default_width;
@@ -388,7 +486,7 @@ Meterbridge::set_state (const XMLNode& node)
 
 	if ((geometry = find_named_node (node, "geometry")) != 0) {
 
-		XMLProperty* prop;
+		XMLProperty const * prop;
 
 		if ((prop = geometry->property("x_size")) == 0) {
 			prop = geometry->property ("x-size");
@@ -432,26 +530,24 @@ Meterbridge::set_state (const XMLNode& node)
 XMLNode&
 Meterbridge::get_state (void)
 {
+	char buf[32];
 	XMLNode* node = new XMLNode ("Meterbridge");
 
-	if (is_realized()) {
-		Glib::RefPtr<Gdk::Window> win = get_window();
-
+	if (is_realized() && _visible) {
 		get_window_pos_and_size ();
-
-		XMLNode* geometry = new XMLNode ("geometry");
-		char buf[32];
-		snprintf(buf, sizeof(buf), "%d", m_width);
-		geometry->add_property(X_("x_size"), string(buf));
-		snprintf(buf, sizeof(buf), "%d", m_height);
-		geometry->add_property(X_("y_size"), string(buf));
-		snprintf(buf, sizeof(buf), "%d", m_root_x);
-		geometry->add_property(X_("x_pos"), string(buf));
-		snprintf(buf, sizeof(buf), "%d", m_root_y);
-		geometry->add_property(X_("y_pos"), string(buf));
-		node->add_child_nocopy (*geometry);
 	}
 
+	XMLNode* geometry = new XMLNode ("geometry");
+	snprintf(buf, sizeof(buf), "%d", m_width);
+	geometry->add_property(X_("x_size"), string(buf));
+	snprintf(buf, sizeof(buf), "%d", m_height);
+	geometry->add_property(X_("y_size"), string(buf));
+	snprintf(buf, sizeof(buf), "%d", m_root_x);
+	geometry->add_property(X_("x_pos"), string(buf));
+	snprintf(buf, sizeof(buf), "%d", m_root_y);
+	geometry->add_property(X_("y_pos"), string(buf));
+	node->add_child_nocopy (*geometry);
+
 	node->add_property ("show-meterbridge", _visible ? "yes" : "no");
 	return *node;
 }
@@ -460,7 +556,7 @@ Meterbridge::get_state (void)
 gint
 Meterbridge::start_updating ()
 {
-	fast_screen_update_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect (sigc::mem_fun(*this, &Meterbridge::fast_update_strips));
+	fast_screen_update_connection = Timers::super_rapid_connect (sigc::mem_fun(*this, &Meterbridge::fast_update_strips));
 	return 0;
 }
 
@@ -477,8 +573,9 @@ Meterbridge::fast_update_strips ()
 	if (!is_mapped () || !_session) {
 		return;
 	}
-	for (list<MeterStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
-		(*i)->fast_update ();
+	for (list<MeterBridgeStrip>::iterator i = strips.begin(); i != strips.end(); ++i) {
+		if (!(*i).visible) continue;
+		(*i).s->fast_update ();
 	}
 }
 
@@ -496,14 +593,14 @@ Meterbridge::add_strips (RouteList& routes)
 		}
 
 		strip = new MeterStrip (_session, route);
-		strips.push_back (strip);
+		strips.push_back (MeterBridgeStrip(strip));
+		route->active_changed.connect (*this, invalidator (*this), boost::bind (&Meterbridge::resync_order, this), gui_context ());
 
 		meterarea.pack_start (*strip, false, false);
 		strip->show();
 	}
 
-	sync_order_keys(MixerSort);
-	update_metrics();
+	resync_order();
 }
 
 void
@@ -513,93 +610,203 @@ Meterbridge::remove_strip (MeterStrip* strip)
 		return;
 	}
 
-	list<MeterStrip *>::iterator i;
-	if ((i = find (strips.begin(), strips.end(), strip)) != strips.end()) {
-		strips.erase (i);
-	}
-	update_metrics();
-}
-
-void
-Meterbridge::update_metrics ()
-{
-	bool have_midi = false;
-	for (list<MeterStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
-		if ( (*i)->has_midi ()) {
-			have_midi = true;
+	list<MeterBridgeStrip>::iterator i;
+	for (list<MeterBridgeStrip>::iterator i = strips.begin(); i != strips.end(); ++i) {
+		if ( (*i).s == strip) {
+			strips.erase (i);
 			break;
 		}
 	}
-	if (have_midi) {
-		metrics_right.set_metric_mode(3);
-	} else {
-		metrics_right.set_metric_mode(4);
-	}
-}
 
-void
-Meterbridge::reset_all_peaks ()
-{
-	for (list<MeterStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
-		(*i)->reset_peak_display ();
-	}
+	resync_order();
 }
 
 void
-Meterbridge::reset_group_peaks (RouteGroup* rg)
+Meterbridge::sync_order_keys ()
 {
-	for (list<MeterStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
-		(*i)->reset_group_peak_display (rg);
-	}
-}
+	Glib::Threads::Mutex::Lock lm (_resync_mutex);
 
-void
-Meterbridge::sync_order_keys (RouteSortOrderKey src)
-{
 	MeterOrderRouteSorter sorter;
-	std::list<MeterStrip *> copy (strips);
-	copy.sort(sorter);
+	strips.sort(sorter);
 
 	int pos = 0;
+	int vis = 0;
+	MeterStrip * last = 0;
 
-	for (list<MeterStrip *>::iterator i = copy.begin(); i != copy.end(); ++i) {
+	unsigned int metrics = 0;
+	MeterType lmt = MeterPeak;
+	bool have_midi = false;
+	metrics_left.set_metric_mode(1, lmt);
 
-#if 0 // TODO subscribe to route active,inactive changes, merge w/ bus
-		if (! (*i)->route()->active()) {
-			(*i)->hide();
-		} else {
-			(*i)->show();
-		}
-#endif
+	for (list<MeterBridgeStrip>::iterator i = strips.begin(); i != strips.end(); ++i) {
 
-		// TODO simplyfy, abstract ->is_bus()
-		if ((*i)->route()->is_master()) {
-			/* always show master */
-			(*i)->show();
+		if (! (*i).s->route()->active()) {
+			(*i).s->hide();
+			(*i).visible = false;
 		}
-		else if (boost::dynamic_pointer_cast<AudioTrack>((*i)->route()) == 0
-				&& boost::dynamic_pointer_cast<MidiTrack>((*i)->route()) == 0
+		else if ((*i).s->route()->is_master()) {
+			if (_show_master) {
+				(*i).s->show();
+				(*i).visible = true;
+				vis++;
+			} else {
+				(*i).s->hide();
+				(*i).visible = false;
+			}
+		}
+		else if (boost::dynamic_pointer_cast<AudioTrack>((*i).s->route()) == 0
+				&& boost::dynamic_pointer_cast<MidiTrack>((*i).s->route()) == 0
 				) {
 			/* non-master bus */
 			if (_show_busses) {
-				(*i)->show();
+				(*i).s->show();
+				(*i).visible = true;
+				vis++;
+			} else {
+				(*i).s->hide();
+				(*i).visible = false;
+			}
+		}
+		else if (boost::dynamic_pointer_cast<MidiTrack>((*i).s->route())) {
+			if (_show_midi) {
+				(*i).s->show();
+				(*i).visible = true;
+				vis++;
 			} else {
-				(*i)->hide();
+				(*i).s->hide();
+				(*i).visible = false;
 			}
 		}
 		else {
-			(*i)->show();
+			(*i).s->show();
+			(*i).visible = true;
+				vis++;
+		}
+
+		(*i).s->set_tick_bar(0);
+
+		MeterType nmt = (*i).s->meter_type();
+		if (nmt == MeterKrms) nmt = MeterPeak; // identical metrics
+		if (vis == 1) {
+			(*i).s->set_tick_bar(1);
+		}
+
+		if ((*i).visible && nmt != lmt && vis == 1) {
+			lmt = nmt;
+			metrics_left.set_metric_mode(1, lmt);
+		} else if ((*i).visible && nmt != lmt) {
+
+			if (last) {
+				last->set_tick_bar(last->get_tick_bar() | 2);
+			}
+			(*i).s->set_tick_bar((*i).s->get_tick_bar() | 1);
+
+			if (_metrics.size() <= metrics) {
+				_metrics.push_back(new MeterStrip(have_midi ? 2 : 3, lmt));
+				meterarea.pack_start (*_metrics[metrics], false, false);
+				_metrics[metrics]->set_session(_session);
+				_metrics[metrics]->show();
+			} else {
+				_metrics[metrics]->set_metric_mode(have_midi ? 2 : 3, lmt);
+			}
+			meterarea.reorder_child(*_metrics[metrics], pos++);
+			metrics++;
+
+			lmt = nmt;
+
+			if (_metrics.size() <= metrics) {
+				_metrics.push_back(new MeterStrip(1, lmt));
+				meterarea.pack_start (*_metrics[metrics], false, false);
+				_metrics[metrics]->set_session(_session);
+				_metrics[metrics]->show();
+			} else {
+				_metrics[metrics]->set_metric_mode(1, lmt);
+			}
+			meterarea.reorder_child(*_metrics[metrics], pos++);
+			metrics++;
+			have_midi = false;
 		}
 
-		meterarea.reorder_child(*(*i), pos++);
+		if ((*i).visible && (*i).s->has_midi()) {
+			have_midi = true;
+		}
+
+		meterarea.reorder_child(*((*i).s), pos++);
+		if ((*i).visible) {
+			last = (*i).s;
+		}
+	}
+
+	if (last) {
+		last->set_tick_bar(last->get_tick_bar() | 2);
 	}
+
+	metrics_right.set_metric_mode(have_midi ? 2 : 3, lmt);
+
+	while (_metrics.size() > metrics) {
+		meterarea.remove(*_metrics.back());
+		delete (_metrics.back());
+		_metrics.pop_back();
+	}
+
+	_mm_left = metrics_left.get_metric_mode();
+	_mt_left = metrics_left.meter_type();
+	_mm_right = metrics_right.get_metric_mode();
+	_mt_right = metrics_right.meter_type();
+
+	on_scroll();
+	queue_resize();
+}
+
+void
+Meterbridge::resync_order()
+{
+	sync_order_keys();
 }
 
 void
 Meterbridge::parameter_changed (std::string const & p)
 {
-	if (p == "show-busses-in-meterbridge") {
-		_show_busses = _session->config.get_show_busses_in_meterbridge();
-		sync_order_keys(MixerSort);
+	if (p == "show-busses-on-meterbridge") {
+		_show_busses = _session->config.get_show_busses_on_meterbridge();
+		resync_order();
+	}
+	else if (p == "show-master-on-meterbridge") {
+		_show_master = _session->config.get_show_master_on_meterbridge();
+		resync_order();
+	}
+	else if (p == "show-midi-on-meterbridge") {
+		_show_midi = _session->config.get_show_midi_on_meterbridge();
+		resync_order();
+	}
+	else if (p == "meter-line-up-level") {
+		meter_clear_pattern_cache();
+	}
+	else if (p == "show-rec-on-meterbridge") {
+		scroller.queue_resize();
+	}
+	else if (p == "show-mute-on-meterbridge") {
+		scroller.queue_resize();
 	}
+	else if (p == "show-solo-on-meterbridge") {
+		scroller.queue_resize();
+	}
+	else if (p == "show-name-on-meterbridge") {
+		scroller.queue_resize();
+	}
+	else if (p == "meterbridge-label-height") {
+		scroller.queue_resize();
+	}
+	else if (p == "show-monitor-on-meterbridge") {
+		scroller.queue_resize();
+	}
+	else if (p == "track-name-number") {
+		scroller.queue_resize();
+	}
+}
+
+void
+Meterbridge::on_theme_changed ()
+{
+	meter_clear_pattern_cache();
 }