text: // Copyright 2010-2018, Google Inc.
  // All rights reserved.
  //
  // Redistribution and use in source and binary forms, with or without
  // modification, are permitted provided that the following conditions are
  // met:
  //
  //     * Redistributions of source code must retain the above copyright
  // notice, this list of conditions and the following disclaimer.
  //     * Redistributions in binary form must reproduce the above
  // copyright notice, this list of conditions and the following disclaimer
  // in the documentation and/or other materials provided with the
  // distribution.
  //     * Neither the name of Google Inc. nor the names of its
  // contributors may be used to endorse or promote products derived from
  // this software without specific prior written permission.
  //
  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
  #ifdef OS_WIN
  #include <windows.h>
  #endif
  
  #include <QtGui/QGuiApplication>
  #include <QtCore/QFile>
  
  #include <memory>
  
  #include "base/logging.h"
  #include "base/system_util.h"
  #include "base/util.h"
  #include "gui/base/locale_util.h"
  #include "gui/base/win_util.h"
  #include "gui/character_pad/character_palette.h"
  #include "gui/character_pad/hand_writing.h"
  #include "gui/character_pad/selection_handler.h"
  #include "gui/character_pad/windows_selection_handler.h"
  #include "handwriting/handwriting_manager.h"
  #include "handwriting/zinnia_handwriting.h"
  
  namespace {
  
  enum {
    CHARACTER_PALETTE,
    HAND_WRITING
  };
  
  }  // namespace
  
  int RunCharacterPad(int argc, char *argv[],
                      int mode) {
    Q_INIT_RESOURCE(qrc_character_pad);
    QApplication app(argc, argv);
  
    mozc::SystemUtil::DisableIME();
  
    mozc::gui::LocaleUtil::InstallTranslationMessageAndFont("character_pad");
  
    std::unique_ptr<QMainWindow> window;
  
    if (mode == HAND_WRITING) {
      window.reset(new mozc::gui::HandWriting);
    } else if (mode == CHARACTER_PALETTE) {
      window.reset(new mozc::gui::CharacterPalette);
    }
    CHECK(window.get());
  
  #ifdef OS_WIN
    mozc::gui::WindowsSelectionHandler callback;
    mozc::gui::SelectionHandler::SetSelectionCallback(&callback);
  
    window->setWindowFlags(Qt::WindowSystemMenuHint | Qt::WindowCloseButtonHint);
  
    // Set Top-Most bit:
    //   Use SWP_NOACTIVATE so that the GUI window will not get focus from the
    //   application which is currently active. b/5516521
    HWND window_handle = reinterpret_cast<HWND>(window->winId());
    ::SetWindowPos(window_handle, HWND_TOPMOST, 0, 0, 0, 0,
                   SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE);
  
    // Set WS_EX_NOACTIVATE so that the GUI window will not be activated by mouse
    // click.
    const LONG style = ::GetWindowLong(window_handle, GWL_EXSTYLE)
                       | WS_EX_NOACTIVATE | WS_EX_APPWINDOW;
    ::SetWindowLong(window_handle, GWL_EXSTYLE, style);
  #endif
  
    window->show();
    window->raise();
  
    return app.exec();
  }
  
  int RunCharacterPalette(int argc, char *argv[]) {
    return RunCharacterPad(argc, argv, CHARACTER_PALETTE);
  }
  
  int RunHandWriting(int argc, char *argv[]) {
    mozc::handwriting::ZinniaHandwriting zinnia_handwriting(
        mozc::handwriting::ZinniaHandwriting::GetModelFileName());
    mozc::handwriting::HandwritingManager::SetHandwritingModule(
        &zinnia_handwriting);
    return RunCharacterPad(argc, argv, HAND_WRITING);
  }
  