no more slave.h

[ardour.git] / libs / ardour / instrument_info.cc

diff --git a/libs/ardour/instrument_info.cc b/libs/ardour/instrument_info.cc
index 1ea0fd5ce3cbfe475e90a9d20b733281b7148fc6..4a1dc96046e29eede71076770d0b22c99eb3226d 100644 (file)
--- a/libs/ardour/instrument_info.cc
+++ b/libs/ardour/instrument_info.cc
@@ -49,6 +49,9 @@ InstrumentInfo::~InstrumentInfo ()
 void
 InstrumentInfo::set_external_instrument (const string& model, const string& mode)
 {
+       if (external_instrument_model == model && external_instrument_mode == mode && internal_instrument.expired ()) {
+               return;
+       }
        external_instrument_model = model;
        external_instrument_mode = mode;
        internal_instrument.reset ();
@@ -58,10 +61,34 @@ InstrumentInfo::set_external_instrument (const string& model, const string& mode
 void
 InstrumentInfo::set_internal_instrument (boost::shared_ptr<Processor> p)
 {
-       internal_instrument = p;
-       external_instrument_model = (_("Unknown"));
+       bool changed = !external_instrument_mode.empty ();
        external_instrument_mode = "";
-       Changed(); /* EMIT SIGNAL */
+
+       boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert>(p);
+       if (pi && pi->plugin ()->has_midnam ()) {
+               /* really back hack, following MidiTimeAxisView::model_changed()
+                *
+                * InstrumentInfo::get_plugin_patch_name() needs to be overhauled,
+                * it limits all PluginInsert to generic-midi or only numbers.
+                */
+               changed |= !internal_instrument.expired ();
+               changed |= external_instrument_model != pi->plugin ()->midnam_model ();
+
+               internal_instrument.reset ();
+               external_instrument_model = pi->plugin ()->midnam_model ();
+               const std::list<std::string> device_modes = MIDI::Name::MidiPatchManager::instance().custom_device_mode_names_by_model (external_instrument_model);
+               if (device_modes.size() > 0) {
+                       changed |= external_instrument_mode != device_modes.front();
+                       external_instrument_mode = device_modes.front();
+               }
+       } else {
+               changed |= internal_instrument.lock () != p || external_instrument_model != _("Unknown");
+               internal_instrument = p;
+               external_instrument_model = _("Unknown");
+       }
+       if (changed) {
+               Changed(); /* EMIT SIGNAL */
+       }
 }
 
 string