Fix macOS build, utf8 fixes

nel/src/3d/driver/opengl/mac/cocoa_event_emitter.cpp

@@ -152,7 +152,7 @@ static NLMISC::TKey virtualKeycodeToNelKey(unsigned short keycode)
 	return NLMISC::KeyNOKEY;
 }
 
-bool CCocoaEventEmitter::pasteTextFromClipboard(ucstring &text)
+bool CCocoaEventEmitter::pasteTextFromClipboard(std::string &text)
 {
 	NSPasteboard *pasteboard = [NSPasteboard generalPasteboard];
 	NSArray *classArray = [NSArray arrayWithObject:[NSString class]];
@@ -163,17 +163,17 @@ bool CCocoaEventEmitter::pasteTextFromClipboard(ucstring &text)
 	{
 		NSArray *objectsToPaste = [pasteboard readObjectsForClasses:classArray options:options];
 		NSString *nstext = [objectsToPaste objectAtIndex:0];
-		text.fromUtf8([nstext UTF8String]);
+		text = [nstext UTF8String];
 		return true;
 	}
 	return false;
 }
 
-bool CCocoaEventEmitter::copyTextToClipboard(const ucstring &text)
+bool CCocoaEventEmitter::copyTextToClipboard(const std::string &text)
 {
 	NSPasteboard *pasteboard = [NSPasteboard generalPasteboard];
 	[pasteboard clearContents];
-	NSArray *copiedObjects = [NSArray arrayWithObject:[NSString stringWithUTF8String:text.toUtf8().c_str()]];
+	NSArray *copiedObjects = [NSArray arrayWithObject:[NSString stringWithUTF8String:text.c_str()]];
 	[pasteboard writeObjects:copiedObjects];
 	return true;
 }

nel/src/3d/driver/opengl/mac/cocoa_event_emitter.h

@@ -21,6 +21,7 @@
 #ifndef NL_COCOA_EVENT_EMITTER_H
 #define NL_COCOA_EVENT_EMITTER_H
 
+#include <string.h>
 #include "nel/misc/event_emitter.h"
 #include "nel/misc/event_server.h"
 #include "nel/misc/events.h"
@@ -53,8 +54,8 @@ public:
 	virtual void submitEvents(CEventServer& server, bool allWindows);
 	bool         handleQuitRequest();
 
-	virtual bool copyTextToClipboard(const ucstring &text);
-	virtual bool pasteTextFromClipboard(ucstring &text);
+	virtual bool copyTextToClipboard(const std::string &text);
+	virtual bool pasteTextFromClipboard(std::string &text);
 };
 
 }