Fix Vestige file browser filter (#7816)

- Remove pointless *.exe option
- Add an "All VST files" option on Linux when there is both LinuxVST and Wine VST support
- Remove *.dll option from Linux builds without Wine VST support (i.e. LinuxVST-only builds)

plugins/Vestige/Vestige.cpp

@@ -79,10 +79,14 @@ Plugin::Descriptor Q_DECL_EXPORT  vestige_plugin_descriptor =
 	0x0100,
 	Plugin::Type::Instrument,
 	new PluginPixmapLoader( "logo" ),
-#ifdef LMMS_BUILD_LINUX
-	"dll,so",
-#else
+#if defined(LMMS_BUILD_WIN32)
 	"dll",
+#elif defined(LMMS_BUILD_LINUX)
+#	if defined(LMMS_HAVE_VST_32) || defined(LMMS_HAVE_VST_64)
+		"dll,so",
+#	else
+		"so",
+#	endif
 #endif
 	nullptr,
 } ;
@@ -669,13 +673,17 @@ void VestigeInstrumentView::openPlugin()
 
 	// set filters
 	QStringList types;
-	types << tr( "DLL-files (*.dll)" )
-		<< tr( "EXE-files (*.exe)" )
-#ifdef LMMS_BUILD_LINUX
-		<< tr( "SO-files (*.so)" )
+#if defined(LMMS_BUILD_WIN32)
+	types << tr("VST2 files (*.dll)");
+#elif defined(LMMS_BUILD_LINUX)
+#	if defined(LMMS_HAVE_VST_32) || defined(LMMS_HAVE_VST_64)
+		types << tr("All VST files (*.dll *.so)")
+			<< tr("Windows VST2 files (*.dll)");
+#	endif
+	types << tr("LinuxVST files (*.so)");
 #endif
-		;
-	ofd.setNameFilters( types );
+
+	ofd.setNameFilters(types);
 
 	if( m_vi->m_pluginDLL != "" )
 	{

src/gui/FileBrowser.cpp

@@ -1222,15 +1222,21 @@ void FileItem::determineFileType()
 		m_type = FileType::Midi;
 		m_handling = FileHandling::ImportAsProject;
 	}
-	else if( ext == "dll"
-#ifdef LMMS_BUILD_LINUX
-		|| ext == "so" 
-#endif
+#ifdef LMMS_HAVE_VST
+	else if (
+#	if defined(LMMS_BUILD_LINUX)
+		ext == "so" ||
+#	endif
+#	if defined(LMMS_HAVE_VST_32) || defined(LMMS_HAVE_VST_64)
+		ext == "dll" ||
+#	endif
+		false
 	)
 	{
 		m_type = FileType::VstPlugin;
 		m_handling = FileHandling::LoadByPlugin;
 	}
+#endif
 	else if ( ext == "lv2" )
 	{
 		m_type = FileType::Preset;

src/lmmsconfig.h.in

@@ -33,6 +33,8 @@
 #cmakedefine LMMS_HAVE_SDL
 #cmakedefine LMMS_HAVE_STK
 #cmakedefine LMMS_HAVE_VST
+#cmakedefine LMMS_HAVE_VST_32
+#cmakedefine LMMS_HAVE_VST_64
 #cmakedefine LMMS_HAVE_SF_COMPLEVEL
 
 #cmakedefine LMMS_DEBUG_FPE