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/* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "PYPinyinEditor.h"
#include "PYConfig.h"
#include "PYPinyinProperties.h"
#include "PYHalfFullConverter.h"
namespace PY {
/* init static members */
PinyinEditor::PinyinEditor (PinyinProperties & props, Config & config)
: PhoneticEditor (props, config)
{
}
/* destructor */
PinyinEditor::~PinyinEditor ()
{
}
/**
* process pinyin
*/
inline gboolean
PinyinEditor::processPinyin (guint keyval, guint keycode, guint modifiers)
{
if (G_UNLIKELY (cmshm_filter (modifiers) != 0))
return !m_text.empty() ? TRUE : FALSE;
return insert (keyval);
}
/**
* process numbers
*/
inline gboolean
PinyinEditor::processNumber (guint keyval, guint keycode, guint modifiers)
{
guint i;
if (m_text.empty())
return FALSE;
switch (keyval) {
case IBUS_0:
case IBUS_KP_0:
i = 9;
break;
case IBUS_1 ... IBUS_9:
i = keyval - IBUS_1;
break;
case IBUS_KP_1 ... IBUS_KP_9:
i = keyval - IBUS_KP_1;
break;
default:
g_return_val_if_reached (FALSE);
}
if (modifiers == 0)
selectCandidateInPage (i);
else if ((modifiers & ~IBUS_LOCK_MASK) == IBUS_CONTROL_MASK)
resetCandidateInPage (i);
return TRUE;
}
inline gboolean
PinyinEditor::processPunct (guint keyval, guint keycode, guint modifiers)
{
if (m_text.empty ())
return FALSE;
if (cmshm_filter (modifiers) != 0)
return TRUE;
switch (keyval) {
case IBUS_apostrophe:
return insert (keyval);
case IBUS_comma:
if (m_config.commaPeriodPage ()) {
pageUp ();
return TRUE;
}
break;
case IBUS_minus:
if (m_config.minusEqualPage ()) {
pageUp ();
return TRUE;
}
break;
case IBUS_period:
if (m_config.commaPeriodPage ()) {
pageDown ();
return TRUE;
}
break;
case IBUS_equal:
if (m_config.minusEqualPage ()) {
pageDown ();
return TRUE;
}
break;
}
if (m_config.autoCommit ()) {
if (m_lookup_table.size () > 0) {
selectCandidate (m_lookup_table.cursorPos ());
}
commit ();
return FALSE;
}
return TRUE;
}
inline gboolean
PinyinEditor::processFunctionKey (guint keyval, guint keycode, guint modifiers)
{
if (m_text.empty ())
return FALSE;
/* ignore numlock */
modifiers = cmshm_filter (modifiers);
if (modifiers != 0 && modifiers != IBUS_CONTROL_MASK)
return TRUE;
/* process some cursor control keys */
if (modifiers == 0) {
switch (keyval) {
case IBUS_Shift_L:
if (!m_config.shiftSelectCandidate ())
return FALSE;
selectCandidateInPage (1);
return TRUE;
case IBUS_Shift_R:
if (!m_config.shiftSelectCandidate ())
return FALSE;
selectCandidateInPage (2);
return TRUE;
};
}
return PhoneticEditor::processFunctionKey (keyval, keycode, modifiers);
}
gboolean
PinyinEditor::processKeyEvent (guint keyval, guint keycode, guint modifiers)
{
modifiers &= (IBUS_SHIFT_MASK |
IBUS_CONTROL_MASK |
IBUS_MOD1_MASK |
IBUS_SUPER_MASK |
IBUS_HYPER_MASK |
IBUS_META_MASK |
IBUS_LOCK_MASK);
switch (keyval) {
/* letters */
case IBUS_a ... IBUS_z:
return processPinyin (keyval, keycode, modifiers);
case IBUS_0 ... IBUS_9:
case IBUS_KP_0 ... IBUS_KP_9:
return processNumber (keyval, keycode, modifiers);
case IBUS_exclam ... IBUS_slash:
case IBUS_colon ... IBUS_at:
case IBUS_bracketleft ... IBUS_quoteleft:
case IBUS_braceleft ... IBUS_asciitilde:
return processPunct (keyval, keycode, modifiers);
case IBUS_space:
return processSpace (keyval, keycode, modifiers);
default:
return processFunctionKey (keyval, keycode, modifiers);
}
}
void
PinyinEditor::updateLookupTable ()
{
m_lookup_table.setPageSize (m_config.pageSize ());
m_lookup_table.setOrientation (m_config.orientation ());
PhoneticEditor::updateLookupTable ();
}
};
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