ui/base/win/message_box_win.cc

   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
  11 namespace 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.
  16 int 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