static void chooseCandidate( ChewingContext *ctx, int toSelect, int key_buf_cursor )
{
ChewingData *pgdata = ctx->data;
if ( toSelect ) {
if ( ! pgdata->bSelect ) {
ChoiceFirstAvail( pgdata );
} else {
if ( pgdata->config.bPhraseChoiceRearward ) {
int avail_willbe = (pgdata->availInfo.currentAvail > 0) ?
pgdata->availInfo.currentAvail - 1 :
pgdata->availInfo.nAvail - 1;
pgdata->chiSymbolCursor = pgdata->choiceInfo.oldChiSymbolCursor -
pgdata->availInfo.avail[ avail_willbe ].len;
if ( chewing_buffer_Len( ctx ) >
pgdata->choiceInfo.oldChiSymbolCursor ) {
pgdata->chiSymbolCursor++;
}
}
ChoiceNextAvail( pgdata );
}
} else if ( pgdata->symbolKeyBuf[ key_buf_cursor ] ) {
/* Open Symbol Choice List */
if ( pgdata->choiceInfo.isSymbol == WORD_CHOICE )
OpenSymbolChoice( pgdata );
}
}
CHEWING_API int chewing_handle_Down( ChewingContext *ctx )
{
ChewingData *pgdata = ctx->data;
ChewingOutput *pgo = ctx->output;
int toSelect = 0;
int keystrokeRtn = KEYSTROKE_ABSORB;
int key_buf_cursor;
CheckAndResetRange( pgdata );
if ( ! ChewingIsEntering( pgdata ) ) {
keystrokeRtn = KEYSTROKE_IGNORE;
}
key_buf_cursor = pgdata->chiSymbolCursor;
if ( pgdata->chiSymbolCursor == pgdata->chiSymbolBufLen )
key_buf_cursor--;
/* see if to select */
if ( ChewingIsChiAt( key_buf_cursor, pgdata ) )
toSelect = 1;
if ( toSelect ) {
if( ! pgdata->bSelect ) {
ChoiceFirstAvail( pgdata );
}
else {
ChoiceNextAvail( pgdata );
}
}
else if ( pgdata->symbolKeyBuf[ key_buf_cursor ] ) {
/* Open Symbol Choice List */
if ( ! pgdata->choiceInfo.isSymbol )
OpenSymbolChoice( pgdata );
}
MakeOutputWithRtn( pgo, pgdata, keystrokeRtn );
return 0;
}
CHEWING_API int chewing_handle_Space( ChewingContext *ctx )
{
ChewingData *pgdata = ctx->data;
ChewingOutput *pgo = ctx->output;
int keystrokeRtn = KEYSTROKE_ABSORB;
int toSelect = 0;
int rtn, key_buf_cursor;
int bQuickCommit = 0;
/* check if Old Chewing style */
if ( ! pgdata->config.bSpaceAsSelection ) {
return chewing_handle_Default( ctx, ' ' );
}
CheckAndResetRange( pgdata );
if ( pgdata->bSelect ) {
if ( pgdata->choiceInfo.pageNo < ( pgdata->choiceInfo.nPage - 1 ) ) {
return chewing_handle_Right( ctx );
}
}
if ( ! ChewingIsEntering( pgdata ) ) {
if ( pgdata->bFullShape ) {
rtn = FullShapeSymbolInput( ' ', pgdata );
}
else {
rtn = SymbolInput( ' ', pgdata );
}
pgo->commitStr[ 0 ] = pgdata->chiSymbolBuf[ 0 ];
pgo->nCommitStr = 1;
pgdata->chiSymbolBufLen = 0;
pgdata->chiSymbolCursor = 0;
keystrokeRtn = KEYSTROKE_COMMIT;
}
else if ( pgdata->bChiSym != CHINESE_MODE ) {
/* see if buffer contains nothing */
if ( pgdata->chiSymbolBufLen == 0 ) {
bQuickCommit = 1;
}
if ( pgdata->bFullShape ) {
rtn = FullShapeSymbolInput( ' ', pgdata );
}
else {
rtn = SymbolInput( ' ', pgdata );
}
keystrokeRtn = KEYSTROKE_ABSORB;
if ( rtn == SYMBOL_KEY_ERROR ) {
keystrokeRtn = KEYSTROKE_IGNORE;
/*
* If the key is not a printable symbol,
* then it's wrong to commit it.
*/
bQuickCommit = 0;
}
else {
keystrokeRtn = KEYSTROKE_ABSORB;
}
if ( ! bQuickCommit ) {
CallPhrasing( pgdata );
if( ReleaseChiSymbolBuf( pgdata, pgo ) != 0 )
keystrokeRtn = KEYSTROKE_COMMIT;
}
/* Quick commit */
else {
DEBUG_OUT(
"\t\tQuick commit buf[0]=%c\n",
pgdata->chiSymbolBuf[ 0 ].s[ 0 ] );
pgo->commitStr[ 0 ] = pgdata->chiSymbolBuf[ 0 ];
pgo->nCommitStr = 1;
pgdata->chiSymbolBufLen = 0;
pgdata->chiSymbolCursor = 0;
keystrokeRtn = KEYSTROKE_COMMIT;
}
}
else {
rtn = ZuinPhoInput( &( pgdata->zuinData ), ' ' );
switch ( rtn ) {
case ZUIN_ABSORB:
keystrokeRtn = KEYSTROKE_ABSORB;
break;
case ZUIN_COMMIT:
AddChi( pgdata->zuinData.phone, pgdata );
CallPhrasing( pgdata );
break;
case ZUIN_NO_WORD:
keystrokeRtn = KEYSTROKE_BELL | KEYSTROKE_ABSORB;
break;
case ZUIN_KEY_ERROR:
case ZUIN_IGNORE:
key_buf_cursor = pgdata->chiSymbolCursor;
if ( pgdata->chiSymbolCursor == pgdata->chiSymbolBufLen )
key_buf_cursor--;
/* see if to select */
if ( ChewingIsChiAt( key_buf_cursor, pgdata ) )
toSelect = 1;
if ( toSelect ) {
if ( ! pgdata->bSelect )
ChoiceFirstAvail( pgdata );
else
ChoiceNextAvail( pgdata );
}
else if ( pgdata->symbolKeyBuf[ key_buf_cursor ] ) {
/* Open Symbol Choice List */
if( ! pgdata->choiceInfo.isSymbol )
OpenSymbolChoice( pgdata );
}
break;
}
}
MakeOutputWithRtn( pgo, pgdata, keystrokeRtn );
return 0;
}
