fix clipboard paste operation - normalize line endings - close #473

src/dlangui/core/types.d

@@ -560,3 +560,31 @@ string toUTF8(dstring str) {
     }
     return cast(string)buf;
 }
+
+/// normalize end of line style - convert to '\n'
+dstring normalizeEndOfLineCharacters(dstring s) {
+    bool crFound = false;
+    foreach(ch; s) {
+        if (ch == '\r') {
+            crFound = true;
+            break;
+        }
+    }
+    if (!crFound)
+        return s;
+    dchar[] res;
+    res.reserve(s.length);
+    dchar prevCh = 0;
+    foreach(ch; s) {
+        if (ch == '\r') {
+            res ~= '\n';
+        } else if (ch == '\n') {
+            if (prevCh != '\r')
+                res ~= '\n';
+        } else {
+            res ~= ch;
+        }
+        prevCh = ch;
+    }
+    return cast(dstring)res;
+}

src/dlangui/platforms/windows/winapp.d

@@ -1185,7 +1185,7 @@ class Win32Platform : Platform {
             if (lptstr != NULL) 
             { 
                 wstring w = fromWStringz(lptstr);
-                res = toUTF32(w);
+                res = normalizeEndOfLineCharacters(toUTF32(w));
 
                 GlobalUnlock(hglb); 
             } 

views/DLANGUI_VERSION

@@ -1 +1 @@
-v0.9.159
+v0.9.160