Refactor inputwin.c

src/common.c

@@ -224,6 +224,18 @@ utf8_display_len(const char * const str)
     return len;
 }
 
+gboolean
+utf8_is_printable(const wint_t ch)
+{
+    char bytes[MB_CUR_MAX+1];
+    size_t utf_len = wcrtomb(bytes, ch, NULL);
+    bytes[utf_len] = '\0';
+
+    gunichar unichar = g_utf8_get_char(bytes);
+
+    return g_unichar_isprint(unichar) && (ch != KEY_MOUSE);
+}
+
 char *
 prof_getline(FILE *stream)
 {