Changed: NeL helpers to launch an external editor

--HG--
branch : develop

code/ryzom/tools/leveldesign/world_editor/world_editor/external_editor.cpp

@@ -34,19 +34,23 @@ bool EditExternalText (const std::string &editor, std::string &text, const std::
 {
 	bool status = false;
 	// Create a temporary file
-	char dir[512];
+	std::string dir = CPath::getCurrentPath();
-	if (getcwd (dir, 512))
+
+	if (!dir.empty())
 	{
 		// Build a temporary filename
 		string tempFilename;
 		uint i = 0;
+
 		do
+		{
 			tempFilename = string(dir) + "/~tmp" + toString(i++) + "." + ext;
+		}
 		while (NLMISC::CFile::isExists(tempFilename));
 
 		// Fill the temp file
 		bool saved = false;
-		FILE *file = fopen (tempFilename.c_str(), "w");
+		FILE *file = nlfopen (tempFilename, "w");
 		if (file)
 		{
 			saved = fputs (text.c_str(), file) != EOF;
@@ -54,25 +58,16 @@ bool EditExternalText (const std::string &editor, std::string &text, const std::
 		}
 
 		// Hide the file
-		SetFileAttributes (tempFilename.c_str(), FILE_ATTRIBUTE_HIDDEN|FILE_ATTRIBUTE_SYSTEM);
+		SetFileAttributes (utf8ToTStr(tempFilename), FILE_ATTRIBUTE_HIDDEN|FILE_ATTRIBUTE_SYSTEM);
 
 		// Open the temp file with a text editor
 		if (saved)
 		{
-			STARTUPINFO         si;
+			if (launchProgramAndWaitForResult(editor, tempFilename))
-			PROCESS_INFORMATION pi;
-			memset(&si, 0, sizeof(si));
-			memset(&pi, 0, sizeof(pi));
-			si.cb = sizeof(si);
-			char cmdLine[1024];
-			strncpy (cmdLine, ("\""+editor+"\" \""+tempFilename+"\"").c_str(), sizeof(cmdLine)-1);
-			if (CreateProcess(editor.c_str (), cmdLine, NULL, NULL, FALSE, 0, NULL, dir, &si, &pi))
-			{
-				if (WaitForSingleObject (pi.hProcess, INFINITE) == WAIT_OBJECT_0)
 			{
 				// Open the file..
 				std::string tempText;
-					FILE *file = fopen (tempFilename.c_str(), "r");
+				FILE *file = nlfopen (tempFilename.c_str(), "r");
 				if (file)
 				{
 					// Read the new file
@@ -83,6 +78,7 @@ bool EditExternalText (const std::string &editor, std::string &text, const std::
 						buffer[red] = 0;
 						tempText += buffer;
 					}
+
 					fclose (file);
 
 					// Return the text
@@ -91,7 +87,6 @@ bool EditExternalText (const std::string &editor, std::string &text, const std::
 				}
 			}
 		}
-		}
 
 		// Delete the file
 		NLMISC::CFile::deleteFile (tempFilename);