1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "ui/base/win/message_box_win.h"
6
7#include "base/command_line.h"
8#include "base/i18n/rtl.h"
9#include "ui/base/ui_base_switches.h"
10
11namespace ui {
12
13// In addition to passing the RTL flags to ::MessageBox if we are running in an
14// RTL locale, we need to make sure that LTR strings are rendered correctly by
15// adding the appropriate Unicode directionality marks.
16int MessageBox(HWND hwnd,
17               const base::string16& text,
18               const base::string16& caption,
19               UINT flags) {
20  if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kNoMessageBox))
21    return IDOK;
22
23  UINT actual_flags = flags;
24  if (base::i18n::IsRTL())
25    actual_flags |= MB_RIGHT | MB_RTLREADING;
26
27  base::string16 localized_text = text;
28  base::i18n::AdjustStringForLocaleDirection(&localized_text);
29  const wchar_t* text_ptr = localized_text.c_str();
30
31  base::string16 localized_caption = caption;
32  base::i18n::AdjustStringForLocaleDirection(&localized_caption);
33  const wchar_t* caption_ptr = localized_caption.c_str();
34
35  return ::MessageBox(hwnd, text_ptr, caption_ptr, actual_flags);
36}
37
38}  // namespace ui
39