riched20: Handle SCF_WORD.

dlls/riched20/caret.c

@@ -710,7 +710,7 @@ int ME_MoveCursorChars(ME_TextEditor *editor, ME_Cursor *cursor, int nRelOfs)
 }
 
 
-static BOOL
+BOOL
 ME_MoveCursorWords(ME_TextEditor *editor, ME_Cursor *cursor, int nRelOfs)
 {
   ME_DisplayItem *pRun = cursor->pRun, *pOtherRun;

dlls/riched20/editor.c

@@ -3510,8 +3510,12 @@ LRESULT ME_HandleMessage(ME_TextEditor *editor, UINT msg, WPARAM wParam,
       if (editor->mode & TM_PLAINTEXT)
         return 0;
       if (wParam & SCF_WORD) {
-        FIXME("EM_SETCHARFORMAT: word selection not supported\n");
-        return 0;
+        ME_Cursor start;
+        ME_Cursor end = editor->pCursors[0];
+        ME_MoveCursorWords(editor, &end, +1);
+        start = end;
+        ME_MoveCursorWords(editor, &start, -1);
+        ME_SetCharFormat(editor, &start, &end, p);
       }
       bRepaint = ME_IsSelection(editor);
       ME_SetSelectionCharFormat(editor, p);

dlls/riched20/editor.h

@@ -166,6 +166,7 @@ void ME_SetDefaultCharFormat(ME_TextEditor *editor, CHARFORMAT2W *mod) DECLSPEC_
 /* caret.c */
 void ME_SetCursorToStart(ME_TextEditor *editor, ME_Cursor *cursor) DECLSPEC_HIDDEN;
 int ME_SetSelection(ME_TextEditor *editor, int from, int to) DECLSPEC_HIDDEN;
+BOOL ME_MoveCursorWords(ME_TextEditor *editor, ME_Cursor *cursor, int nRelOfs) DECLSPEC_HIDDEN;
 void ME_HideCaret(ME_TextEditor *ed) DECLSPEC_HIDDEN;
 void ME_ShowCaret(ME_TextEditor *ed) DECLSPEC_HIDDEN;
 void ME_MoveCaret(ME_TextEditor *ed) DECLSPEC_HIDDEN;