Use port name from SLV2 for labels where possible (fix ticket #636).

git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@2991 a436a847-0d15-0410-975c-d299462d15a1

2 files changed, 29 insertions, 0 deletions

diff --git a/src/client/NodeModel.cpp b/src/client/NodeModel.cpp
index 2ffd751d..1ff3cae6 100644
--- a/src/client/NodeModel.cpp
+++ b/src/client/NodeModel.cpp
@@ -221,6 +221,33 @@ NodeModel::port_value_range(SharedPtr<PortModel> port, float& min, float& max) c
 }
 
 
+std::string
+NodeModel::port_label(SharedPtr<PortModel> port) const
+{
+	const Raul::Atom& name = port->get_property("http://lv2plug.in/ns/lv2core#name");
+	if (name.is_valid()) {
+		return name.get_string();
+	}
+	
+#ifdef HAVE_SLV2
+	if (_plugin && _plugin->type() == PluginModel::LV2) {
+		SLV2World  c_world  = _plugin->slv2_world();
+		SLV2Plugin c_plugin = _plugin->slv2_plugin();
+		SLV2Value  c_sym    = slv2_value_new_string(c_world, port->symbol().c_str());
+		SLV2Port   c_port   = slv2_plugin_get_port_by_symbol(c_plugin, c_sym);
+		if (c_port) {
+			SLV2Value c_name = slv2_port_get_name(c_plugin, c_port);
+			if (c_name && slv2_value_is_string(c_name)) {
+				return slv2_value_as_string(c_name);
+			}
+		}
+	}
+#endif
+
+	return port->symbol().c_str();
+}
+
+
 void
 NodeModel::set(SharedPtr<ObjectModel> model)
 {
diff --git a/src/client/NodeModel.hpp b/src/client/NodeModel.hpp
index fa4af66c..939197b1 100644
--- a/src/client/NodeModel.hpp
+++ b/src/client/NodeModel.hpp
@@ -67,6 +67,8 @@ public:
 	void default_port_value_range(SharedPtr<PortModel> port, float& min, float& max) const;
 	void port_value_range(SharedPtr<PortModel> port, float& min, float& max) const;
 
+	std::string port_label(SharedPtr<PortModel> port) const;
+
 	// Signals
 	sigc::signal<void, SharedPtr<PortModel> > signal_new_port;
 	sigc::signal<void, SharedPtr<PortModel> > signal_removed_port;