Report plugin UI close in embed mode

Signed-off-by: falkTX <falktx@falktx.com>

source/Makefile.deps.mk

@@ -366,6 +366,7 @@ HAVE_PYQT = false
 HAVE_QT4 = false
 HAVE_QT5 = false
 HAVE_QT5PKG = false
+HAVE_SDL = false
 USING_JUCE = false
 USING_JUCE_AUDIO_DEVICES = false
 USING_RTAUDIO = false

source/Makefile.mk

@@ -83,6 +83,9 @@ endif
 ifeq ($(DEBUG),true)
 BASE_FLAGS += -DDEBUG -O0 -g
 LINK_OPTS   =
+ifeq ($(WASM),true)
+LINK_OPTS  += -sASSERTIONS=1
+endif
 else
 BASE_FLAGS += -DNDEBUG $(BASE_OPTS) -fvisibility=hidden
 CXXFLAGS   += -fvisibility-inlines-hidden

source/backend/engine/CarlaEngineNative.cpp

@@ -308,13 +308,15 @@ public:
                 {
                     fParameters[rindex] = valuef;
 
+                    if (fUsesEmbed
 #ifndef CARLA_ENGINE_WITHOUT_UI
-                    if (fUsesEmbed || fUiServer.isPipeRunning())
+                        || fUiServer.isPipeRunning()
+#endif
+                        )
                     {
                         pHost->ui_parameter_changed(pHost->handle, rindex, valuef);
                     }
                     else
-#endif
                     {
                         static uint last_pluginId = pluginId;
                         static int last_value1 = value1;
@@ -333,6 +335,11 @@ public:
             }
             break;
 
+        case ENGINE_CALLBACK_UI_STATE_CHANGED:
+            if (sendHost && fUsesEmbed)
+                pHost->ui_closed(pHost->handle);
+            break;
+
         default:
             break;
         }