[FIX] : fix issue on UNIX. all files was displayed in lowercase, some problemes for open directory and all returned path could be invalids. (@jackm97, #41)

Author: aiekick

ImGuiFileDialog.cpp

@@ -2150,17 +2150,17 @@ namespace IGFD
 
 	void IGFD::FileDialog::GetDrives()
 	{
-		auto res = GetDrivesList();
-		if (!res.empty())
+		auto drives = GetDrivesList();
+		if (!drives.empty())
 		{
 			m_CurrentPath.clear();
 			m_CurrentPath_Decomposition.clear();
 			m_FileList.clear();
-			for (auto& re : res)
+			for (auto& drive : drives)
 			{
 				FileInfoStruct infos;
-				infos.fileName = re;
-				infos.fileName_optimized = OptimizeFilenameForSearchOperations(re);
+				infos.fileName = drive;
+				infos.fileName_optimized = OptimizeFilenameForSearchOperations(drive);
 				infos.type = 'd';
 
 				if (!infos.fileName.empty())
@@ -2275,7 +2275,7 @@ namespace IGFD
 		}
 	}
 
-	std::string IGFD::FileDialog::OptimizeFilenameForSearchOperations(std::string& vFileName)
+	std::string IGFD::FileDialog::OptimizeFilenameForSearchOperations(std::string vFileName)
 	{
 		// convert to lower case
 		for (char& c : vFileName)

ImGuiFileDialog.h

@@ -839,7 +839,7 @@ namespace IGFD
 		void GetDrives();																									// list drives on windows platform
 		void ParseFilters(const char* vFilters);																			// parse filter syntax, detect and parse filter collection
 		void SetSelectedFilterWithExt(const std::string& vFilter);															// select filter
-		static std::string OptimizeFilenameForSearchOperations(std::string& vFileName);										// easier the search by lower case all filenames
+		static std::string OptimizeFilenameForSearchOperations(std::string vFileName);										// easier the search by lower case all filenames
 	    void ApplyFilteringOnFileList();																					// filter the file list accroding to the searh tags
 		bool Confirm_Or_OpenOverWriteFileDialog_IfNeeded(bool vLastAction, ImGuiWindowFlags vFlags);						// treatment of the result, start the confirm to overwrite dialog if needed (if defined with flag)
 		bool IsFileExist(const std::string& vFile);																			// is file exist