riched20: Rewrite the run splittable test to take a run parameter.

dlls/riched20/editor.h

@@ -105,7 +105,6 @@ void ME_DestroyString(ME_String *s) DECLSPEC_HIDDEN;
 void ME_AppendString(ME_String *s1, const ME_String *s2) DECLSPEC_HIDDEN;
 ME_String *ME_VSplitString(ME_String *orig, int nVPos) DECLSPEC_HIDDEN;
 int ME_IsWhitespaces(const ME_String *s) DECLSPEC_HIDDEN;
-int ME_IsSplitable(const ME_String *s) DECLSPEC_HIDDEN;
 int ME_FindNonWhitespaceV(const ME_String *s, int nVChar) DECLSPEC_HIDDEN;
 int ME_CallWordBreakProc(ME_TextEditor *editor, ME_String *str, INT start, INT code) DECLSPEC_HIDDEN;
 void ME_StrDeleteV(ME_String *s, int nVChar, int nChars) DECLSPEC_HIDDEN;

dlls/riched20/run.c

@@ -376,6 +376,24 @@ ME_InsertRunAtCursor(ME_TextEditor *editor, ME_Cursor *cursor, ME_Style *style,
   return pDI;
 }
 
+static BOOL run_is_splittable( const ME_Run *run )
+{
+    WCHAR *str = get_text( run, 0 ), *p;
+    int i, len = run->strText->nLen;
+    BOOL found_ink = FALSE;
+
+    for (i = 0, p = str; i < len; i++, p++)
+    {
+        if (ME_IsWSpace( *p ))
+        {
+            if (found_ink) return TRUE;
+        }
+        else
+            found_ink = TRUE;
+    }
+    return FALSE;
+}
+
 /******************************************************************************
  * ME_UpdateRunFlags
  *
@@ -393,7 +411,7 @@ void ME_UpdateRunFlags(ME_TextEditor *editor, ME_Run *run)
   else
     run->nFlags &= ~MERF_HIDDEN;
 
-  if (ME_IsSplitable(strText))
+  if (run_is_splittable( run ))
     run->nFlags |= MERF_SPLITTABLE;
   else
     run->nFlags &= ~MERF_SPLITTABLE;

dlls/riched20/string.c

@@ -121,21 +121,6 @@ int ME_IsWhitespaces(const ME_String *s)
     return 1;
 }
 
-int ME_IsSplitable(const ME_String *s)
-{
-  WCHAR *pos = s->szData;
-  WCHAR ch;
-  while(ME_IsWSpace(*pos++))
-    ;
-  pos--;
-  while((ch = *pos++) != 0)
-  {
-    if (ME_IsWSpace(ch))
-      return 1;
-  }
-  return 0;
-}
-
 void ME_StrDeleteV(ME_String *s, int nVChar, int nChars)
 {
   int end_ofs = nVChar + nChars;