More attempted to fix Qt6 win build.

Author: thor2016

src/drivers/Qt/ColorMenu.cpp

@@ -73,7 +73,7 @@ void ColorMenuItem::setImageColor( QColor c )
 
 	lastColor = c;
 
-	b = parentWidget()->palette().color(QPalette::WindowText);
+	b = qobject_cast<QWidget*>(parent())->palette().color(QPalette::WindowText);
 
 	i=0;
 
@@ -140,7 +140,7 @@ void ColorMenuItem::openColorPicker(void)
 		qs = title;
 		qs.replace( "&", "", Qt::CaseInsensitive); // get rid of & accelerator characters
 
-		picker = new ColorMenuPickerDialog_t( colorPtr, qs.toLocal8Bit().constData(), parentWidget() );
+		picker = new ColorMenuPickerDialog_t( colorPtr, qs.toLocal8Bit().constData(), qobject_cast<QWidget*>(parent()) );
 
 		picker->show();
 

src/drivers/Qt/QtScriptManager.cpp

@@ -441,7 +441,7 @@ bool FileScriptObject::putChar(char c)
 	{
 		auto* engine = FCEU::JSEngine::getCurrent();
 		engine->throwError(QJSValue::GenericError, "file is not open ");
-		return -1;
+		return false;
 	}
 	bool success = file->putChar(c);
 

src/types.h

@@ -191,6 +191,7 @@ typedef uint8 (*readfunc)(uint32 A);
 	#define  __FCEU_PRINTF_ATTRIBUTE( fmt, va )
 #endif
 
+#if defined(__cplusplus)
 // Scoped pointer ensures that memory pointed to by this object gets cleaned up
 // and deallocated when this object goes out of scope. Helps prevent memory leaks
 // on temporary memory allocations in functions with early outs.
@@ -261,6 +262,7 @@ class fceuScopedPtr
 		enum fceuAllocType  _allocType;
 
 };
+#endif // __cplusplus
 
 #include "utils/endian.h"