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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 "ZYZBopomofoSymbolSection.h"
#include <assert.h>
#include <zhuyin.h>
#include "ZYSymbols.h"
namespace ZY {
BopomofoSymbolSection::BopomofoSymbolSection (PhoneticEditor & editor,
ZhuyinProperties & props) :
SymbolSection (editor, props)
{
m_type = BOPOMOFO_SYMBOL_TYPE;
}
BopomofoSymbolSection::~BopomofoSymbolSection ()
{
}
bool
BopomofoSymbolSection::initCandidates (zhuyin_instance_t * instance,
const String & lookup)
{
m_candidates.clear ();
assert (1 == lookup.length ());
m_lookup = lookup;
const char key = lookup[0];
/* cache the choices. */
gchar ** symbols = NULL;
assert (zhuyin_in_chewing_keyboard (instance, key, &symbols));
size_t num = g_strv_length (symbols);
assert (num > 0);
for (size_t i = 0; i < num; ++i) {
m_candidates.push_back (symbols[i]);
}
g_strfreev (symbols);
return true;
}
bool
BopomofoSymbolSection::fillLookupTableByPage ()
{
LookupTable & lookup_table = getLookupTable ();
guint len = m_candidates.size ();
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;
for (guint i = filled_nr; i < filled_nr + need_nr; i++) {
if (i >= len) /* no more candidates */
break;
Text text (m_candidates[i]);
lookup_table.appendCandidate (text);
}
return TRUE;
}
int
BopomofoSymbolSection::selectCandidate (guint index)
{
if (index >= m_candidates.size ())
return 0;
m_choice = m_candidates[index];
return 1;
}
};
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