Set PLUGIN_HAS_CUSTOM_EMBED_UI hint during discovery

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

source/backend/utils/CachedPlugins.cpp

@@ -264,7 +264,29 @@ static const CarlaCachedPluginInfo* get_cached_plugin_lv2(Lv2WorldClass& lv2Worl
         Lilv::UIs lilvUIs(lilvPlugin.get_uis());
 
         if (lilvUIs.size() > 0)
+        {
             info.hints |= CB::PLUGIN_HAS_CUSTOM_UI;
+
+            LILV_FOREACH(uis, it, lilvUIs)
+            {
+                Lilv::UI lilvUI(lilvUIs.get(it));
+                lv2World.load_resource(lilvUI.get_uri());
+
+               #if defined(CARLA_OS_MAC)
+                if (lilvUI.is_a(lv2World.ui_cocoa))
+               #elif defined(CARLA_OS_WIN)
+                if (lilvUI.is_a(lv2World.ui_windows))
+               #elif defined(HAVE_X11)
+                if (lilvUI.is_a(lv2World.ui_x11))
+               #else
+                if (false)
+               #endif
+                {
+                    info.hints |= CB::PLUGIN_HAS_CUSTOM_EMBED_UI;
+                    break;
+                }
+            }
+        }
 #ifdef CARLA_OS_LINUX
         else if (lilvPlugin.get_modgui_resources_directory().as_uri() != nullptr)
             info.hints |= CB::PLUGIN_HAS_CUSTOM_UI;

source/discovery/carla-discovery.cpp

@@ -1241,7 +1241,12 @@ static bool do_vst2_check(lib_t& libHandle, const char* const filename, const bo
         uint parameters = static_cast<uint>(std::max(0, effect->numParams));
 
         if (effect->flags & effFlagsHasEditor)
+        {
             hints |= PLUGIN_HAS_CUSTOM_UI;
+           #ifndef BUILD_BRIDGE
+            hints |= PLUGIN_HAS_CUSTOM_EMBED_UI;
+           #endif
+        }
 
         if (effect->flags & effFlagsIsSynth)
         {
@@ -1783,7 +1788,12 @@ static bool do_vst3_check(lib_t& libHandle, const char* const filename, const bo
         if (v3_plugin_view** const view = v3_cpp_obj(controller)->create_view(controller, "editor"))
         {
             if (v3_cpp_obj(view)->is_platform_type_supported(view, V3_VIEW_PLATFORM_TYPE_NATIVE) == V3_TRUE)
+            {
                 hints |= PLUGIN_HAS_CUSTOM_UI;
+               #ifndef BUILD_BRIDGE
+                hints |= PLUGIN_HAS_CUSTOM_EMBED_UI;
+               #endif
+            }
 
             v3_cpp_obj_unref(view);
         }
@@ -2187,7 +2197,13 @@ static bool do_clap_check(lib_t& libHandle, const char* const filename, const bo
 
            #ifdef CLAP_WINDOW_API_NATIVE
             if (gui != nullptr)
+            {
                 hints |= PLUGIN_HAS_CUSTOM_UI;
+               #ifndef BUILD_BRIDGE
+                if (gui->is_api_supported(plugin, CLAP_WINDOW_API_NATIVE, false))
+                    hints |= PLUGIN_HAS_CUSTOM_EMBED_UI;
+               #endif
+            }
            #endif
 
             if (doInit)