Add show interface so UIs can gracefully degrade to separate windows if hosts can not use their widget directly.

1 files changed, 11 insertions, 1 deletions

diff --git a/lv2/lv2plug.in/ns/extensions/ui/ui.ttl b/lv2/lv2plug.in/ns/extensions/ui/ui.ttl
index 5ab029d..c8aa10a 100644
--- a/lv2/lv2plug.in/ns/extensions/ui/ui.ttl
+++ b/lv2/lv2plug.in/ns/extensions/ui/ui.ttl
@@ -325,12 +325,22 @@ ui:idleInterface
 UI.  To support this feature, the UI should list it as a lv2:optionalFeature or
 lv2:requiredFeature in its data, and also as lv2:extensionData.  When the UI's
 extension_data() is called with this URI (LV2_UI__idleInterface), it should
-return a pointer to an LV2_UI_Idle_Interface.</p>
+return a pointer to an LV2UI_Idle_Interface.</p>
 
 <p>To indicate support, the host should pass a feature to instantiate() with
 this URI, with NULL for data.</p>
 """ .
 
+ui:showInterface
+	a lv2:ExtensionData ;
+	lv2:documentation """
+<p>An interface for showing and hiding a window for a UI.  This allows UIs to
+gracefully degrade to separate windows when the host is unable to embed the UI
+widget for whatever reason.  When the UI's extension_data() is called with this
+URI (LV2_UI__showInterface), it should return a pointer to an
+LV2UI_Show_Interface.</p>
+""" .
+
 ui:updateRate
 	a rdf:Property ;
 	rdfs:range xsd:float ;