MSVC: Fix Xpressive instrument

plugins/CMakeLists.txt

@@ -93,7 +93,6 @@ IF(MSVC)
 		LadspaEffect
 		sid
 		#VstEffect
-		Xpressive
 		zynaddsubfx
 	)
 	message(WARNING "Compiling with MSVC. The following plugins are not available: ${MSVC_INCOMPATIBLE_PLUGINS}")

plugins/Xpressive/CMakeLists.txt

@@ -12,6 +12,8 @@ SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${WERROR_FLAGS} -fexceptions")
 
 IF(LMMS_BUILD_WIN32 AND NOT MSVC)
 	SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wa,-mbig-obj -Dexprtk_disable_enhanced_features")
+ELSEIF(LMMS_BUILD_WIN32 AND MSVC)
+	SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /bigobj")
 ENDIF()
 
 BUILD_PLUGIN(xpressive

plugins/Xpressive/Xpressive.cpp

@@ -807,8 +807,6 @@ void XpressiveView::usrWaveClicked() {
 	Engine::getSong()->setModified();
 }
 
-XpressiveHelpView* XpressiveHelpView::s_instance=0;
-
 QString XpressiveHelpView::s_helpText=
 "<b>O1, O2</b> - Two output waves. Panning is controled by PN1 and PN2.<br>"
 "<b>W1, W2, W3</b> - Wave samples evaluated by expression. In these samples, t variable ranges [0,1).<br>"
@@ -876,11 +874,6 @@ void XpressiveView::helpClicked() {
 
 }
 
-__attribute__((destructor)) static void module_destroy()
-{
-	XpressiveHelpView::finalize();
-}
-
 extern "C" {
 
 // necessary for getting instance out of shared lib

plugins/Xpressive/Xpressive.h

@@ -206,22 +206,16 @@ class XpressiveHelpView: public QTextEdit
 public:
 	static XpressiveHelpView* getInstance()
 	{
-		if (!s_instance)
-		{
-			s_instance = new XpressiveHelpView();
-		}
-		return s_instance;
+		static XpressiveHelpView instance;
+		return &instance;
 	}
 	static void finalize()
 	{
-		if (s_instance) { delete s_instance; }
 	}
 
 private:
 	XpressiveHelpView();
-	static XpressiveHelpView *s_instance;
 	static QString s_helpText;
-
 };
 
 #endif