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/* vim:set et ts=4 sts=4:
*
* ibus-libpinyin - Intelligent Pinyin engine based on libpinyin for IBus
*
* Copyright (c) 2011 Peng Wu <alexepico@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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "PYPFullPinyinEditor.h"
#include "PYConfig.h"
#include "PYLibPinyin.h"
using namespace PY;
LibPinyinFullPinyinEditor::LibPinyinFullPinyinEditor
(PinyinProperties & props, Config & config)
: LibPinyinPinyinEditor (props, config)
{
m_instance = LibPinyinBackEnd::instance ().allocPinyinInstance ();
}
LibPinyinFullPinyinEditor::~LibPinyinFullPinyinEditor (void)
{
LibPinyinBackEnd::instance ().freePinyinInstance (m_instance);
m_instance = NULL;
}
void
LibPinyinFullPinyinEditor::reset (void)
{
LibPinyinPinyinEditor::reset ();
}
gboolean
LibPinyinFullPinyinEditor::insert (gint ch)
{
/* is full */
if (G_UNLIKELY (m_text.length () >= MAX_PINYIN_LEN))
return TRUE;
m_text.insert (m_cursor++, ch);
updatePinyin ();
update ();
return TRUE;
}
gboolean
LibPinyinFullPinyinEditor::processKeyEvent (guint keyval,
guint keycode,
guint modifiers)
{
return LibPinyinPinyinEditor::processKeyEvent (keyval, keycode, modifiers);
}
void
LibPinyinFullPinyinEditor::updatePinyin (void)
{
if (G_UNLIKELY (m_text.empty ())) {
m_pinyin_len = 0;
/* TODO: check whether to replace "" with NULL. */
pinyin_parse_more_full_pinyins (m_instance, "");
pinyin_guess_sentence (m_instance);
return;
}
m_pinyin_len =
pinyin_parse_more_full_pinyins (m_instance, m_text.c_str ());
pinyin_guess_sentence (m_instance);
}
void
LibPinyinFullPinyinEditor::updateAuxiliaryText ()
{
if (G_UNLIKELY (m_text.empty ())) {
hideAuxiliaryText ();
return;
}
m_buffer.clear ();
guint len = 0;
pinyin_get_n_pinyin (m_instance, &len);
for (guint i = 0; i < len; ++i) {
PinyinKey *key = NULL;
pinyin_get_pinyin_key (m_instance, i, &key);
PinyinKeyPos *pos = NULL;
pinyin_get_pinyin_key_rest (m_instance, i, &pos);
guint16 cursor = 0, end = 0;
pinyin_get_pinyin_key_rest_positions (m_instance, pos, &cursor, &end);
gchar * str = NULL;
if (G_UNLIKELY (cursor == m_cursor)) { /* at word boundary. */
pinyin_get_pinyin_string (m_instance, key, &str);
m_buffer << '|' << str;
g_free (str);
} else if (G_LIKELY (cursor < m_cursor &&
m_cursor < end)) { /* in word */
guint16 length = 0;
pinyin_get_pinyin_key_rest_length (m_instance, pos, &length);
/* raw text */
String raw = m_text.substr (cursor, length);
guint offset = m_cursor - cursor;
m_buffer << ' ' << raw.substr (0, offset)
<< '|' << raw.substr (offset);
} else { /* other words */
pinyin_get_pinyin_string (m_instance, key, &str);
m_buffer << ' ' << str;
g_free (str);
}
}
if (m_cursor == m_pinyin_len)
m_buffer << '|';
/* append rest text */
const gchar * p = m_text.c_str() + m_pinyin_len;
m_buffer << p;
StaticText aux_text (m_buffer);
Editor::updateAuxiliaryText (aux_text, TRUE);
}
void
LibPinyinFullPinyinEditor::update (void)
{
guint lookup_cursor = getLookupCursor ();
pinyin_guess_full_pinyin_candidates (m_instance, lookup_cursor);
updateLookupTable ();
updatePreeditText ();
updateAuxiliaryText ();
}
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