improve caching of metric and tick patters

[ardour.git] / gtk2_ardour / meter_patterns.h

diff --git a/gtk2_ardour/meter_patterns.h b/gtk2_ardour/meter_patterns.h
index 5951ff2fd6691f184d25b0f9880a76d730ddc6d4..a664f478f221a5693399f80618b4d0f8a1c3b332 100644 (file)
--- a/gtk2_ardour/meter_patterns.h
+++ b/gtk2_ardour/meter_patterns.h
@@ -26,13 +26,21 @@
 #include "ardour/types.h"
 #include "gtkmm2ext/cairo_widget.h"
 
+#include <sigc++/signal.h>
+extern sigc::signal<void> ResetAllPeakDisplays;
+extern sigc::signal<void,ARDOUR::Route*> ResetRoutePeakDisplays;
+extern sigc::signal<void,ARDOUR::RouteGroup*> ResetGroupPeakDisplays;
+extern sigc::signal<void> RedrawMetrics;
+
+extern sigc::signal<void, int, ARDOUR::RouteGroup*, ARDOUR::MeterType> SetMeterTypeMulti;
+
 cairo_pattern_t* meter_render_ticks (Gtk::Widget& w, std::vector<ARDOUR::DataType> types);
 cairo_pattern_t* meter_render_metrics (Gtk::Widget& w, std::vector<ARDOUR::DataType> types);
 
 gint meter_expose_ticks (GdkEventExpose *ev, std::vector<ARDOUR::DataType> types, Gtk::DrawingArea *mta);
 gint meter_expose_metrics (GdkEventExpose *ev, std::vector<ARDOUR::DataType> types, Gtk::DrawingArea *mma);
 
-void meter_clear_pattern_cache();
+void meter_clear_pattern_cache(int which=7);
 
 #endif