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/* vim:set et ts=4 sts=4:
*
* ibus-libzhuyin - New Zhuyin engine based on libzhuyin for IBus
*
* Copyright (c) 2014 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 "ZYZPhoneticSection.h"
#include <assert.h>
#include "ZYConfig.h"
#include "ZYZhuyinProperties.h"
#include "ZYTradSimpConverter.h"
namespace ZY {
PhoneticSection::PhoneticSection (PhoneticEditor & editor,
ZhuyinProperties & props) :
m_editor (editor), m_props (props)
{
}
PhoneticSection::~PhoneticSection ()
{
}
bool
PhoneticSection::initCandidates (zhuyin_instance_t * instance,
int cursor)
{
m_instance = instance;
m_cursor = cursor;
size_t offset = 0;
zhuyin_get_zhuyin_offset (instance, cursor, &offset);
if (m_editor.m_config.candidatesAfterCursor ())
zhuyin_guess_candidates_after_cursor (m_instance, offset);
else
zhuyin_guess_candidates_before_cursor (m_instance, offset);
return true;
}
bool
PhoneticSection::fillLookupTableByPage ()
{
LookupTable & lookup_table = getLookupTable ();
guint len = 0;
zhuyin_get_n_candidate (m_instance, &len);
guint filled_nr = lookup_table.size ();
guint page_size = lookup_table.pageSize ();
/* fill lookup table by libzhuyin get candidates. */
guint need_nr = MIN (page_size, len - filled_nr);
g_assert (need_nr >=0);
if (need_nr == 0)
return FALSE;
String word;
for (guint i = filled_nr; i < filled_nr + need_nr; i++) {
if (i >= len) /* no more candidates */
break;
lookup_candidate_t * candidate = NULL;
zhuyin_get_candidate (m_instance, i, &candidate);
const gchar * phrase_string = NULL;
zhuyin_get_candidate_string (m_instance, candidate, &phrase_string);
/* show get candidates. */
if (G_LIKELY (m_props.modeTrad ())) {
word = phrase_string;
} else { /* Simplified Chinese */
word.truncate (0);
TradSimpConverter::tradToSimp (phrase_string, word);
}
Text text (word);
lookup_table.appendCandidate (text);
}
return TRUE;
}
int
PhoneticSection::selectCandidate (guint index)
{
guint len = 0;
zhuyin_get_n_candidate (m_instance, &len);
if (index >= len)
return 0;
lookup_candidate_t * candidate = NULL;
zhuyin_get_candidate (m_instance, index, &candidate);
size_t offset = 0;
zhuyin_get_zhuyin_offset (m_instance, m_cursor, &offset);
offset = zhuyin_choose_candidate
(m_instance, offset, candidate);
return offset - m_cursor;
}
};
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