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Diffstat (limited to 'src/PYFullPinyinEditor.cc')
| -rw-r--r-- | src/PYFullPinyinEditor.cc | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/src/PYFullPinyinEditor.cc b/src/PYFullPinyinEditor.cc new file mode 100644 index 0000000..4530395 --- /dev/null +++ b/src/PYFullPinyinEditor.cc @@ -0,0 +1,241 @@ +/* vim:set et ts=4 sts=4: + * + * ibus-pinyin - The Chinese PinYin engine for IBus + * + * Copyright (c) 2008-2010 Peng Huang <shawn.p.huang@gmail.com> + * + * 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. + */ +#include "PYFullPinyinEditor.h" +#include "PYConfig.h" + +namespace PY { + +FullPinyinEditor::FullPinyinEditor (PinyinProperties & props, Config & config) + : PinyinEditor (props, config) +{ +} + +FullPinyinEditor::~FullPinyinEditor (void) +{ +} + +void +FullPinyinEditor::reset (void) +{ + PinyinEditor::reset (); +} + +gboolean +FullPinyinEditor::insert (gint ch) +{ + /* is full */ + if (G_UNLIKELY (m_text.length () >= MAX_PINYIN_LEN)) + return TRUE; + + m_text.insert (m_cursor++, ch); + + if (G_UNLIKELY (!(m_config.option () & PINYIN_INCOMPLETE_PINYIN))) { + updateSpecialPhrases (); + updatePinyin (); + } + else if (G_LIKELY (m_cursor <= m_pinyin_len + 2)) { + updateSpecialPhrases (); + updatePinyin (); + } + else { + if (updateSpecialPhrases ()) { + update (); + } + else { + updatePreeditText (); + updateAuxiliaryText (); + } + } + return TRUE; +} + +gboolean +FullPinyinEditor::removeCharBefore (void) +{ + if (G_UNLIKELY (m_cursor == 0)) + return FALSE; + + m_cursor --; + m_text.erase (m_cursor, 1); + + updateSpecialPhrases (); + updatePinyin (); + + return TRUE; +} + +gboolean +FullPinyinEditor::removeCharAfter (void) +{ + if (G_UNLIKELY (m_cursor == m_text.length ())) + return FALSE; + + m_text.erase (m_cursor, 1); + updatePreeditText (); + updateAuxiliaryText (); + + return TRUE; +} + +gboolean +FullPinyinEditor::removeWordBefore (void) +{ + if (G_UNLIKELY (m_cursor == 0)) + return FALSE; + + guint cursor; + + if (G_UNLIKELY (m_cursor > m_pinyin_len)) { + cursor = m_pinyin_len; + } + else { + const Pinyin & p = *m_pinyin.back (); + cursor = m_cursor - p.len; + m_pinyin_len -= p.len; + m_pinyin.pop_back (); + } + + m_text.erase (cursor, m_cursor - cursor); + m_cursor = cursor; + updateSpecialPhrases (); + updatePhraseEditor (); + update (); + return TRUE; +} + +gboolean +FullPinyinEditor::removeWordAfter (void) +{ + if (G_UNLIKELY (m_cursor == m_text.length ())) + return FALSE; + + m_text.erase (m_cursor, -1); + updatePreeditText (); + updateAuxiliaryText (); + return TRUE; +} + +gboolean +FullPinyinEditor::moveCursorLeft (void) +{ + if (G_UNLIKELY (m_cursor == 0)) + return FALSE; + + m_cursor --; + updateSpecialPhrases (); + updatePinyin (); + + return TRUE; +} + +gboolean +FullPinyinEditor::moveCursorRight (void) +{ + if (G_UNLIKELY (m_cursor == m_text.length ())) + return FALSE; + + m_cursor ++; + + updateSpecialPhrases (); + updatePinyin (); + + return TRUE; +} + +gboolean +FullPinyinEditor::moveCursorLeftByWord (void) +{ + if (G_UNLIKELY (m_cursor == 0)) + return FALSE; + + if (G_UNLIKELY (m_cursor > m_pinyin_len)) { + m_cursor = m_pinyin_len; + return TRUE; + } + + const Pinyin & p = *m_pinyin.back (); + m_cursor -= p.len; + m_pinyin_len -= p.len; + m_pinyin.pop_back (); + + updateSpecialPhrases (); + updatePhraseEditor (); + update (); + + return TRUE; +} + +gboolean +FullPinyinEditor::moveCursorRightByWord (void) +{ + return moveCursorToEnd (); +} + +gboolean +FullPinyinEditor::moveCursorToBegin (void) +{ + if (G_UNLIKELY (m_cursor == 0)) + return FALSE; + + m_cursor = 0; + m_pinyin.clear (); + m_pinyin_len = 0; + + updateSpecialPhrases (); + updatePhraseEditor (); + update (); + + return TRUE; +} + +gboolean +FullPinyinEditor::moveCursorToEnd (void) +{ + if (G_UNLIKELY (m_cursor == m_text.length ())) + return FALSE; + + m_cursor = m_text.length (); + updateSpecialPhrases (); + updatePinyin (); + + return TRUE; +} + +void +FullPinyinEditor::updatePinyin (void) +{ + if (G_UNLIKELY (m_text.empty ())) { + m_pinyin.clear (); + m_pinyin_len = 0; + } + else { + m_pinyin_len = PinyinParser::parse (m_text, // text + m_cursor, // text length + m_config.option (), // option + m_pinyin, // result + MAX_PHRASE_LEN); // max result length + } + + updatePhraseEditor (); + update (); +} + +}; |