Slight update to replace 1 unicode-space by another

Space sent by BioScan plagin was not drawn properly on overlay.

cpp/strutils.h

@@ -1,5 +1,4 @@
-#ifndef STDSTRINGFMT_H
-#define STDSTRINGFMT_H
+#pragma once
 
 #include <string>
 #include <vector>
@@ -237,5 +236,6 @@ namespace utility
     {
         return ltrim(rtrim(s, t), t);
     }
+
 }
-#endif // STDSTRINGFMT_H
+

cpp/xoverlayoutput.cpp

@@ -18,7 +18,7 @@
 #include <mutex>
 #include <vector>
 #include <unordered_map>
-#include <cwchar>
+
 
 // Events for normal windows
 constexpr static long BASIC_EVENT_MASK = StructureNotifyMask | ExposureMask | PropertyChangeMask |
@@ -334,6 +334,19 @@ class XPrivateAccess
     Window              g_win{0};
     opaque_ptr<_XGC>    single_gc{nullptr};
 
+    static int utf8CharactersCount(const std::string& str)
+    {
+        int count = 0;
+        for (const auto& c : str)
+        {
+            if ((c & 0x80) == 0 || (c & 0xc0) == 0xc0)
+            {
+                ++count;
+            }
+        }
+        return count;
+    }
+
     void drawUtf8String(const opaque_ptr<XftFont>& aFont, const std::string& aColor,
                         int aX, int aY,
                         const std::string& aString, bool aRectangle) const

edmcoverlay.py

@@ -51,13 +51,14 @@ def _stop(self):
         self._send_raw_text("NEED_TO_STOP")
 
     def _send_raw_text(self, inpstr: str):
-        bstr = bytes(inpstr, "UTF-8")
+        inpstr = inpstr.replace("\\u202f", "\\u00a0")
+        bstr = inpstr.encode("utf-8")
         for retries in range(1, 7):
             try:
                 with self.__lock:
                     conn = socket.socket()
                     conn.connect((self._host, self._port))
-                    conn.send(str(len(bstr)).encode() + b"#" + bstr)
+                    conn.send(str(len(bstr)).encode("utf-8") + b"#" + bstr)
                     conn.close()
                     break
             except socket.error as e: