Track control values for port 'sliders' (module sliders move in sync with node control window sliders or whatever else).

git-svn-id: http://svn.drobilla.net/lad/ingen@646 a436a847-0d15-0410-975c-d299462d15a1

3 files changed, 32 insertions, 2 deletions

diff --git a/src/libs/client/NodeModel.cpp b/src/libs/client/NodeModel.cpp
index 4e3a0a11..76faa158 100644
--- a/src/libs/client/NodeModel.cpp
+++ b/src/libs/client/NodeModel.cpp
@@ -15,6 +15,8 @@
  * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include "../../../config/config.h"
+
 #include "NodeModel.hpp"
 #include "PatchModel.hpp"
 #include <cassert>
@@ -146,5 +148,32 @@ NodeModel::remove_program(int bank, int program)
 }
 
 
+void
+NodeModel::port_value_range(const string& name, float& min, float& max)
+{
+	// FIXME: cache these values
+	const Atom& min_atom = get_metadata("ingen:minimum");
+	const Atom& max_atom = get_metadata("ingen:maximum");
+	if (min_atom.type() == Atom::FLOAT)
+		min = min_atom.get_float();
+	if (max_atom.type() == Atom::FLOAT)
+		max = max_atom.get_float();
+
+#ifdef HAVE_SLV2
+	if (plugin() && plugin()->type() == PluginModel::LV2) {
+		min = slv2_port_get_minimum_value(
+				plugin()->slv2_plugin(),
+				slv2_plugin_get_port_by_symbol(plugin()->slv2_plugin(),
+					name.c_str()));
+		max = slv2_port_get_maximum_value(
+				plugin()->slv2_plugin(),
+				slv2_plugin_get_port_by_symbol(plugin()->slv2_plugin(),
+					name.c_str()));
+	}
+#endif
+}
+
+
+
 } // namespace Client
 } // namespace Ingen
diff --git a/src/libs/client/NodeModel.hpp b/src/libs/client/NodeModel.hpp
index fcaacd0e..05a92d7c 100644
--- a/src/libs/client/NodeModel.hpp
+++ b/src/libs/client/NodeModel.hpp
@@ -58,6 +58,8 @@ public:
 	const PortModelList&               ports()        const { return _ports; }
 	virtual bool                       polyphonic()   const { return _polyphonic; }
 	
+	void port_value_range(const string& name, float& min, float& max);
+	
 	// Signals
 	sigc::signal<void, SharedPtr<PortModel> > new_port_sig; 
 	sigc::signal<void, SharedPtr<PortModel> > removed_port_sig; 
diff --git a/src/libs/client/PortModel.cpp b/src/libs/client/PortModel.cpp
index af80e250..ed59c8ca 100644
--- a/src/libs/client/PortModel.cpp
+++ b/src/libs/client/PortModel.cpp
@@ -16,6 +16,7 @@
  */
 
 #include "PortModel.hpp"
+#include "NodeModel.hpp"
 
 namespace Ingen {
 namespace Client {
@@ -44,7 +45,5 @@ PortModel::is_toggle() const
 	return (hint && hint > 0);
 }
 
-
-
 } // namespace Client
 } // namespace Ingen