/* vim:set et ts=4 sts=4:
 *
 * libpyzy - The Chinese PinYin and Bopomofo conversion library.
 *
 * Copyright (c) 2008-2010 Peng Huang <shawn.p.huang@gmail.com>
 * Copyright (c) 2010 BYVoid <byvoid1@gmail.com>
 *
 * This library is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of the
 * License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA
 */
#ifndef __PYZY_BOPOMOFO_CONTEXT_H_
#define __PYZY_BOPOMOFO_CONTEXT_H_

#include "PyZyPhoneticContext.h"

namespace PyZy {

class Config;

class BopomofoContext : public PhoneticContext {

public:
    BopomofoContext (Config & config, PhoneticContext::Observer *observer);
    ~BopomofoContext (void);
    bool processKeyEvent (unsigned short key_event);
    void reset ();

protected:
    std::wstring bopomofo;
    gboolean m_select_mode;

    gboolean processBopomofo (guint keyval, guint keycode, guint modifiers);

    void updateAuxiliaryText ();
    void updatePinyin ();
    void updatePreeditText ();

    void commit ();

    gboolean insert (gint ch);
    gint keyvalToBopomofo(gint ch);

    gboolean removeCharBefore (void);
    gboolean removeCharAfter (void);
    gboolean removeWordBefore (void);
    gboolean removeWordAfter (void);

    gboolean moveCursorLeft (void);
    gboolean moveCursorRight (void);
    gboolean moveCursorLeftByWord (void);
    gboolean moveCursorRightByWord (void);
    gboolean moveCursorToBegin (void);
    gboolean moveCursorToEnd (void);
};

};

#endif  // __PYZY_BOPOMOFO_CONTEXT_H_