/* vim:set et ts=4 sts=4: * * ibus-pinyin - The Chinese PinYin engine for IBus * * Copyright (c) 2008-2010 Peng Huang * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifndef __PHRASE_EDITOR_H_ #define __PHRASE_EDITOR_H_ #include "PyZyUtil.h" #include "PyZyString.h" #include "PyZyPhraseArray.h" #include "PyZyPinyinArray.h" #define FILL_GRAN (12) namespace PyZy { class Query; class Database; class Config; class PhraseEditor { public: PhraseEditor (Config & config); ~PhraseEditor (void); const String & selectedString (void) const { return m_selected_string; } const PinyinArray & pinyin (void) const { return m_pinyin; } const PhraseArray & candidates (void) const { return m_candidates; } guint cursor (void) const { return m_cursor; } guint cursorInChar (void) const { return m_cursor == 0 ? 0 : m_pinyin[m_cursor - 1].begin + m_pinyin[m_cursor - 1].len; } gboolean pinyinExistsAfterCursor (void) const { return m_pinyin.size () > m_cursor; } const Phrase & candidate (guint i) const { return m_candidates[i]; } gboolean fillCandidates (void); const PhraseArray & candidate0 (void) const { return m_candidate_0_phrases; } gboolean candidateIsUserPhrase (guint i) const { const Phrase & phrase = m_candidates[i]; return phrase.len > 1 && phrase.user_freq > 0 && phrase.freq == 0; } gboolean unselectCandidates (void) { if (m_cursor == 0) { return FALSE; } else { m_selected_phrases.clear (); m_selected_string.truncate (0); m_cursor = 0; updateCandidates (); return TRUE; } } void reset (void) { m_candidates.clear (); m_selected_phrases.clear (); m_selected_string.truncate (0); m_candidate_0_phrases.clear (); m_pinyin.clear (); m_cursor = 0; m_query.reset (); } gboolean update (const PinyinArray &pinyin); gboolean selectCandidate (guint i); gboolean resetCandidate (guint i); void commit (void); gboolean empty (void) const { return m_selected_string.empty () && m_candidate_0_phrases.empty (); } operator gboolean (void) const { return !empty (); } private: void updateCandidates (void); void updateTheFirstCandidate (void); private: PhraseArray m_candidates; // candidates phrase array PhraseArray m_selected_phrases; // selected phrases, before cursor String m_selected_string; // selected phrases, in string format PhraseArray m_candidate_0_phrases; // the first candidate in phrase array format PinyinArray m_pinyin; guint m_cursor; std::shared_ptr m_query; Config & m_config; }; }; // namespace PyZy #endif // __PHRASE_EDITOR_H_