Try to transient-map LV2 UIs that use showInterface

source/Makefile.mk

@@ -112,7 +112,7 @@ CFLAGS     += -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes
 CXXFLAGS   += -Wnon-virtual-dtor -Woverloaded-virtual
 ifeq ($(LINUX),true)
 CFLAGS     += -isystem /opt/kxstudio/include
-CXXFLAGS   += -isystem /opt/kxstudio/include -isystem /usr/include/qt4
+CXXFLAGS   += -isystem /opt/kxstudio/include -isystem /opt/kxstudio/include/qt5
 endif
 ifeq ($(MACOS),true)
 CFLAGS     += -isystem /opt/kxstudio/include

source/backend/plugin/Lv2Plugin.cpp

@@ -1240,9 +1240,14 @@ public:
             if (fUi.type == UI::TYPE_EMBED)
             {
                 if (fUi.window != nullptr)
+                {
                     fUi.window->show();
+                }
                 else if (fExt.uishow != nullptr)
+                {
                     fExt.uishow->show(fUi.handle);
+                    pData->tryTransient();
+                }
             }
             else
 #endif