Exemple #1
0
HRESULT CTextService::_HandleKey(TfEditCookie ec, ITfContext *pContext, WPARAM wParam)
{

    /*
     * FIXME: the following keys are not handled:
     * shift left		VK_LSHIFT
     * shift right		VK_RSHIFT
     * caps lock		VK_CAPITAL
     * page up			VK_PRIOR
     * page down		VK_NEXT
     * ctrl num
     * shift space
     * numlock num		VK_NUMLOCK
	 */

    if (('A' <= wParam && wParam <= 'Z')) {
            chewing_handle_Default(mChewingContext, wParam - 'A' + 'a');
    } else if ('0' <= wParam && wParam <= '9') {
            chewing_handle_Default(mChewingContext, wParam);
    } else {
        switch(wParam) {
            case VK_OEM_COMMA:
                chewing_handle_Default(mChewingContext, ',');
                break;

            case VK_OEM_MINUS:
                chewing_handle_Default(mChewingContext, '-');
                break;

            case VK_OEM_PERIOD:
                chewing_handle_Default(mChewingContext, '.');
                break;

            case VK_OEM_1:
                chewing_handle_Default(mChewingContext, ';');
                break;

            case VK_OEM_2:
                chewing_handle_Default(mChewingContext, '/');
                break;

            case VK_OEM_3:
                chewing_handle_Default(mChewingContext, '`');
                break;

            case VK_SPACE:
                chewing_handle_Space(mChewingContext);
                break;

            case VK_ESCAPE:
                chewing_handle_Esc(mChewingContext);
                break;

            case VK_RETURN:
                chewing_handle_Enter(mChewingContext);
                break;

            case VK_DELETE:
                chewing_handle_Del(mChewingContext);
                break;

            case VK_BACK:
                chewing_handle_Backspace(mChewingContext);
                break;

            case VK_UP:
                chewing_handle_Up(mChewingContext);
                break;

            case VK_DOWN:
                chewing_handle_Down(mChewingContext);

            case VK_LEFT:
                chewing_handle_Left(mChewingContext);
                break;

            case VK_RIGHT:
                chewing_handle_Right(mChewingContext);
                break;

            case VK_HOME:
                chewing_handle_Home(mChewingContext);
                break;

            case VK_END:
                chewing_handle_End(mChewingContext);
                break;

            default:
                return S_OK;
        }
    }

    // Remove old candidate list. We will create a new one if necessary.
    _pCandidateList->_EndCandidateList();

    ChewingCandidates candidate(mChewingContext);
    if (!candidate.IsEmpty()) {
        _SetCompositionDisplayAttributes(ec, pContext, _gaDisplayAttributeConverted);

        //
        // The document manager object is not cached. Get it from pContext.
        //
        ITfDocumentMgr *pDocumentMgr;
        if (pContext->GetDocumentMgr(&pDocumentMgr) == S_OK)
        {
            //
            // get the composition range.
            //
            ITfRange *pRange;
            if (_pComposition->GetRange(&pRange) == S_OK)
            {
                _pCandidateList->_StartCandidateList(_tfClientId, pDocumentMgr, pContext, ec, pRange, candidate);
                pRange->Release();
            }
            pDocumentMgr->Release();
        }
        return S_OK;
    }

    ChewingString commit(mChewingContext, CHEWING_STRING_COMMIT);
    if (!commit.IsEmpty()) {
        // FIXME: Need a better way to submit a string
        if (!_IsComposing())
            _StartComposition(pContext);

        ULONG cFetched;
        BOOL fCovered;
        TF_SELECTION tfSelection;

        // FIXME: Why we need this here?
        // first, test where a keystroke would go in the document if an insert is done
        if (pContext->GetSelection(ec, TF_DEFAULT_SELECTION, 1, &tfSelection, &cFetched) != S_OK || cFetched != 1)
            return S_FALSE;

        // FIXME: Why we need this here?
        // is the insertion point covered by a composition?
        ITfRange *pRangeComposition;
        if (_pComposition->GetRange(&pRangeComposition) == S_OK)
        {
            fCovered = IsRangeCovered(ec, tfSelection.range, pRangeComposition);

            pRangeComposition->Release();

            if (!fCovered)
            {
                goto End3;
            }
        }

        if (tfSelection.range->SetText(ec, 0, commit.GetString(), commit.GetLength()) != S_OK)
            goto End3;

        _TerminateComposition(ec, pContext);
End3: // FIXME: RAII?
        tfSelection.range->Release();
    }

    /*
     * Composition is mapped to preedit buffer + zuin buffer
     */
    ChewingString preedit_zuin(mChewingContext, CHEWING_STRING_PREEDIT_ZUIN);
    if (preedit_zuin.IsEmpty()) {
        // Remove composition
        if (_IsComposing())
        {
            ULONG cFetched;
            BOOL fCovered;
            TF_SELECTION tfSelection;

            // FIXME: Why we need this here?
            // first, test where a keystroke would go in the document if an insert is done
            if (pContext->GetSelection(ec, TF_DEFAULT_SELECTION, 1, &tfSelection, &cFetched) != S_OK || cFetched != 1)
                return S_FALSE;

            // FIXME: Why we need this here?
            // is the insertion point covered by a composition?
            ITfRange *pRangeComposition;
            if (_pComposition->GetRange(&pRangeComposition) == S_OK)
            {
                fCovered = IsRangeCovered(ec, tfSelection.range, pRangeComposition);

                pRangeComposition->Release();

                if (!fCovered)
                {
                    goto End;
                }
            }

            // Empties the composition
            tfSelection.range->SetText(ec, 0, L"", 0);

            _TerminateComposition(ec, pContext);
End: // FIXME: RAII?
            tfSelection.range->Release();
        }
    } else {
        if (!_IsComposing())
            _StartComposition(pContext);

        ULONG cFetched;
        BOOL fCovered;
        TF_SELECTION tfSelection;
        // FIXME: Why we need this here?
        // first, test where a keystroke would go in the document if an insert is done
        if (pContext->GetSelection(ec, TF_DEFAULT_SELECTION, 1, &tfSelection, &cFetched) != S_OK || cFetched != 1)
            return S_FALSE;

        // FIXME: Why we need this here?
        // is the insertion point covered by a composition?
        ITfRange *pRangeComposition;
        if (_pComposition->GetRange(&pRangeComposition) == S_OK)
        {
            fCovered = IsRangeCovered(ec, tfSelection.range, pRangeComposition);

            pRangeComposition->Release();

            if (!fCovered)
            {
                goto End2;
            }
        }
        if (tfSelection.range->SetText(ec, 0, preedit_zuin.GetString(), preedit_zuin.GetLength()) != S_OK)
            goto End2;

        _SetCompositionDisplayAttributes(ec, pContext, _gaDisplayAttributeInput);
End2: // FIXME: RAII?
        tfSelection.range->Release();
    }

    return S_OK;
}
Exemple #2
0
int main( int argc, char *argv[] )
#endif
{
	ChewingContext *ctx;
	char *prefix = CHEWING_DATA_PREFIX;
	int i;
	int ctrl_shifted;

	/* Initialize libchewing */
	/* for the sake of testing, we should not change existing hash data */
	chewing_Init( prefix, TEST_HASH_DIR );

	/* Request handle to ChewingContext */
	ctx = chewing_new();

	/* Set keyboard type */ 
	chewing_set_KBType( ctx, chewing_KBStr2Num( "KB_DEFAULT" ) );

	chewing_set_candPerPage( ctx, 9 );
	chewing_set_maxChiSymbolLen( ctx, 16 );
	chewing_set_addPhraseDirection( ctx, 1 );
	chewing_set_selKey( ctx, selKey_define, 10 );
	chewing_set_spaceAsSelection( ctx, 1 );

	while ( 1 ) {
		i = get_keystroke();
		switch ( i ) {
			case KEY_LEFT:
				chewing_handle_Left( ctx );
				break;
			case KEY_SLEFT:
				chewing_handle_ShiftLeft( ctx );
				break;
			case KEY_RIGHT:
				chewing_handle_Right( ctx );
				break;
			case KEY_SRIGHT:
				chewing_handle_ShiftRight( ctx );
				break;
			case KEY_UP:
				chewing_handle_Up( ctx );
				break;
			case KEY_DOWN:
				chewing_handle_Down( ctx );
				break;
			case KEY_SPACE:
				chewing_handle_Space( ctx );
				break;
			case KEY_ENTER:
				chewing_handle_Enter( ctx );
				break;
			case KEY_BACKSPACE:
				chewing_handle_Backspace( ctx );
				break;
			case KEY_ESC:
				chewing_handle_Esc( ctx );
				break;
			case KEY_DELETE:
				chewing_handle_Del( ctx );
				break;
			case KEY_HOME:
				chewing_handle_Home( ctx );
				break;
			case KEY_END:
				chewing_handle_End( ctx );
				break;
			case KEY_TAB:
				chewing_handle_Tab( ctx );
				break;			
			case KEY_CAPSLOCK:
				chewing_handle_Capslock( ctx );
				break;
			case END:
				goto end;
			default:
				ctrl_shifted = ( i - KEY_CTRL_BASE );
				if ( ( ctrl_shifted >= '0' ) && ( ctrl_shifted <= '9' ) ) {
					chewing_handle_CtrlNum( ctx, ctrl_shifted );
				} else {
					chewing_handle_Default( ctx, (char) i );
				}
				break;
		}
		commit_string( ctx );
#ifdef USED_IN_SIMULATION
		if ( i == KEY_ENTER )
			compare_per_run();
#endif
	}
end:
	/* Free Chewing IM handle */
	chewing_delete( ctx );
	
	/* Termate Chewing services */
	chewing_Terminate();
#ifndef USED_IN_SIMULATION
	printf( "\n" );
#endif
	return 0;
}
gboolean ibus_chewing_engine_process_key_event(IBusEngine *engine,
	guint keysym,  guint keycode, guint modifiers){
    gboolean result=TRUE;
    if (modifiers & IBUS_RELEASE_MASK){
	/* Skip release event */
	return TRUE;
    }
    IBusChewingEngine *self=IBUS_CHEWING_ENGINE(engine);
    guint kSym=ibus_chewing_engine_keycode_to_keysym(self,keysym, keycode, modifiers);

    G_DEBUG_MSG(2,"***[I2] process_key_event(-, %x(%s), %x, %x) orig keysym=%x... proceed.",kSym, keyName_get(kSym), keycode, modifiers,keysym);
    guint state= modifiers & (IBUS_SHIFT_MASK | IBUS_CONTROL_MASK | IBUS_MOD1_MASK);
    self->_priv->key_last=kSym;
    if (state==0){
	guint kSym_tmp=keysym_KP_to_normal(kSym);
	if (kSym_tmp){
	    G_DEBUG_MSG(3,"***[I3] process_key_event(): %x is from keypad.", kSym_tmp);
	    /* Is keypad key */
	    if ((self->chewingFlags & CHEWING_FLAG_NUMPAD_ALWAYS_NUMBER) && chewing_get_ChiEngMode(self->context)){
		chewing_set_ChiEngMode(self->context, 0);
		self_handle_Default(self,kSym_tmp,FALSE);
		chewing_set_ChiEngMode(self->context,CHINESE_MODE);
	    }else{
		/* Convert kp numbers to normal */
		self_handle_Default(self,kSym_tmp,FALSE);
	    }
	}else{
	    switch (kSym){
		case IBUS_Return:
		case IBUS_KP_Enter:
		    chewing_handle_Enter(self->context);
		    break;
		case IBUS_Escape:
		    if (self->inputMode==CHEWING_INPUT_MODE_BYPASS)
			return FALSE;
		    chewing_handle_Esc(self->context);
		    break;
		case IBUS_BackSpace:
		    if (self->inputMode==CHEWING_INPUT_MODE_BYPASS)
			return FALSE;
		    chewing_handle_Backspace(self->context);
		    break;
		case IBUS_Delete:
		case IBUS_KP_Delete:
		    if (self->inputMode==CHEWING_INPUT_MODE_BYPASS)
			return FALSE;
		    chewing_handle_Del(self->context);
		    break;
		case IBUS_space:
		case IBUS_KP_Space:
		    if (self->chewingFlags & CHEWING_FLAG_PLAIN_ZHUYIN) {
			if (chewing_cand_TotalChoice(self->context) == 0) {
			    chewing_handle_Space(self->context);
			}
		    } else {
			/**
			 * Fix for space in Temporary English mode.
			 */
			chewing_handle_Space(self->context);
		    }
		    if (self->inputMode==CHEWING_INPUT_MODE_SELECTION_DONE ||
			    self->inputMode==CHEWING_INPUT_MODE_BYPASS )
			ibus_chewing_engine_set_status_flag(self,ENGINE_STATUS_NEED_COMMIT);
		    break;
		case IBUS_Page_Up:
		case IBUS_KP_Page_Up:
		    if (self->inputMode==CHEWING_INPUT_MODE_BYPASS)
			return FALSE;
		    IBUS_ENGINE_GET_CLASS(engine)->page_up(engine);
		    break;
		case IBUS_Page_Down:
		case IBUS_KP_Page_Down:
		    if (self->inputMode==CHEWING_INPUT_MODE_BYPASS)
			return FALSE;
		    IBUS_ENGINE_GET_CLASS(engine)->page_down(engine);
		    break;
		case IBUS_Up:
		case IBUS_KP_Up:
		    if (self->inputMode==CHEWING_INPUT_MODE_BYPASS)
			return FALSE;
		    IBUS_ENGINE_GET_CLASS(engine)->cursor_up(engine);
		    break;
		case IBUS_Down:
		case IBUS_KP_Down:
		    if (self->inputMode==CHEWING_INPUT_MODE_BYPASS)
			return FALSE;
		    IBUS_ENGINE_GET_CLASS(engine)->cursor_down(engine);
		    break;
		case IBUS_Left:
		case IBUS_KP_Left:
		    if (self->inputMode==CHEWING_INPUT_MODE_BYPASS)
			return FALSE;
		    chewing_handle_Left(self->context);
		    break;
		case IBUS_Right:
		case IBUS_KP_Right:
		    if (self->inputMode==CHEWING_INPUT_MODE_BYPASS)
			return FALSE;
		    chewing_handle_Right(self->context);
		    break;
		case IBUS_Home:
		case IBUS_KP_Home:
		    if (self->inputMode==CHEWING_INPUT_MODE_BYPASS)
			return FALSE;
		    chewing_handle_Home(self->context);
		    break;
		case IBUS_End:
		case IBUS_KP_End:
		    if (self->inputMode==CHEWING_INPUT_MODE_BYPASS)
			return FALSE;
		    chewing_handle_End(self->context);
		    break;
		case IBUS_Tab:
		    if (self->inputMode==CHEWING_INPUT_MODE_BYPASS)
			return FALSE;
		    chewing_handle_Tab(self->context);
		    break;
		case IBUS_Caps_Lock:
		    /* When Chi->Eng with incomplete character */
		    if (chewing_get_ChiEngMode(self->context) && !chewing_zuin_Check(self->context)){
			/* chewing_zuin_Check==0 means incomplete character */
			/* Send a space to finish the character */
			chewing_handle_Space(self->context);
		    }
		    chewing_handle_Capslock(self->context);
		    self_refresh_property(self,"chewing_chieng_prop");
		    break;
		case IBUS_Shift_L:
		case IBUS_Shift_R:
		    /* Some QT application will sneak these through */
		    return FALSE;
		case IBUS_Alt_L:
		case IBUS_Alt_R:
		    /* Some QT application will sneak these through */
		    return FALSE;
		case IBUS_Control_L:
		case IBUS_Control_R:
		    /* Some QT application will sneak these through */
		    return FALSE;
		default:
		    self_handle_Default(self,kSym,FALSE);
		    break;
	    }
	}
    }else if (state==IBUS_SHIFT_MASK){
	switch(kSym){
	    case IBUS_Left:
		if (self->inputMode==CHEWING_INPUT_MODE_BYPASS)
		    return FALSE;
		chewing_handle_ShiftLeft(self->context);
		break;
	    case IBUS_Right:
		if (self->inputMode==CHEWING_INPUT_MODE_BYPASS)
		    return FALSE;
		chewing_handle_ShiftRight(self->context);
		break;
	    case IBUS_Up:
	    case IBUS_KP_Up:
	    case IBUS_Down:
	    case IBUS_KP_Down:
	    case IBUS_Page_Up:
	    case IBUS_KP_Page_Up:
	    case IBUS_Page_Down:
	    case IBUS_KP_Page_Down:
	    case IBUS_Home:
	    case IBUS_End:
		if (self->_priv->statusFlags & ENGINE_STATUS_NEED_COMMIT)
		    self_force_commit(self);
		return FALSE;
	    case IBUS_space:
	    case IBUS_KP_Space:
		chewing_handle_ShiftSpace(self->context);
		chewing_set_ShapeMode(self->context, !chewing_get_ShapeMode(self->context));
		self_refresh_property(self,"chewing_alnumSize_prop");
		break;
	    default:
		if (kSym>127 || kSym<0){
		    /* Special keys, must let it through */
		    return FALSE;
		}
		self_handle_Default(self,kSym,TRUE);
		break;
	}
    }else if (state==IBUS_CONTROL_MASK){
	if (kSym>=IBUS_0 && kSym<=IBUS_9){
	    chewing_handle_CtrlNum(self->context,kSym);
//	}else if (kSym==IBUS_v || kSym==IBUS_V){
//	    chewing_handle_Right(self->context);
	}else{
	    result=FALSE;
	}

    }else{
	result=FALSE;
    }
    if (!result){
	return FALSE;
    }
    return self_update(self);
}
Exemple #4
0
int main( int argc, char *argv[] )
{
	ChewingContext *ctx;
	FILE *fout;
	FILE *fout2;
	char *prefix = CHEWING_DATA_PREFIX;
	char *out_file = "tmp.txt";
	char *out_file2 = "tmp_out.txt";
	int ch;
	int width, height;
	int add_phrase_length;

	/*if ( argc < 2 ) {
		fprintf( stderr, "usage: genkeystroke filename\n" );
		exit( 1 );
	}
	else {
		fout = fopen( argv[ 1 ], "w" );*/
		fout = fopen( out_file, "w" );
		if ( ! fout ) {
			fprintf( stderr, "Error: failed to open %s\n", out_file );
			exit( 1 );
		}

		fout2 = fopen( out_file2, "w" );
		if ( ! fout2 ) {
			fprintf( stderr, "Error: failed to open %s\n", out_file2 );
			exit( 1 );
		}
	/*}*/

	/* Initialize curses library */
	setlocale(LC_CTYPE, "");
	initscr();
	if ( has_colors() == TRUE ) {
		start_color();
		init_pair( 1, COLOR_WHITE, COLOR_BLUE );
		init_pair( 2, COLOR_RED, COLOR_YELLOW );
		init_pair( 3, COLOR_WHITE, COLOR_RED );
		hasColor = 1;
	}
	cbreak();
	noecho();
	keypad( stdscr, 1 );
	getmaxyx( stdscr, height, width );
	start_color();
	clear();
	refresh();

	/* Initialize libchewing */
	/* for the sake of testing, we should not change existing hash data */
	chewing_Init( prefix, TEST_HASH_DIR );

	/* Request handle to ChewingContext */
	ctx = chewing_new();

	/* Set keyboard type */
	chewing_set_KBType( ctx, chewing_KBStr2Num( "KB_DEFAULT" ) );

	/* Fill configuration values */
	chewing_set_candPerPage( ctx, 9 );
	chewing_set_maxChiSymbolLen( ctx, 16 );
	chewing_set_addPhraseDirection( ctx, 1 );
	chewing_set_selKey( ctx, selKey_define, 10 );
	chewing_set_spaceAsSelection( ctx, 1 );
	chewing_set_autoShiftCur( ctx, 1 );
	chewing_set_phraseChoiceRearward( ctx, 1 );

	clear();
	mvaddstr( 0, 0, "Any key to start testing..." );

	while ( TRUE ) {
		ch = getch();
		switch ( ch ) {
			case KEY_LEFT:
				chewing_handle_Left( ctx );
				fprintf( fout, "<L>" );
				break;
			case KEY_SLEFT:
				chewing_handle_ShiftLeft( ctx );
				fprintf( fout, "<SL>" );
				break;
			case KEY_RIGHT:
				chewing_handle_Right( ctx );
				fprintf( fout, "<R>" );
				break;
			case KEY_SRIGHT:
				chewing_handle_ShiftRight( ctx );
				fprintf( fout, "<SR>" );
				break;
			case KEY_UP:
				chewing_handle_Up( ctx );
				fprintf( fout, "<U>" );
				break;
			case KEY_DOWN:
				chewing_handle_Down( ctx );
				fprintf( fout, "<D>" );
				break;
			case KEY_SPACE:
				chewing_handle_Space( ctx );
				fprintf( fout, " " );
				break;
			case KEY_ENTER:
				chewing_handle_Enter( ctx );
				fprintf( fout, "<E>" );
				break;
			case KEY_BACKSPACE:
				chewing_handle_Backspace( ctx );
				fprintf( fout, "<B>" );
				break;
			case KEY_ESC:
				chewing_handle_Esc( ctx );
				fprintf( fout, "<EE>" );
				break;
			case KEY_DC:
				chewing_handle_Del( ctx );
				fprintf( fout, "<DC>" );
				break;
			case KEY_HOME:
				chewing_handle_Home( ctx );
				fprintf( fout, "<H>" );
				break;
			case KEY_END:
				chewing_handle_End( ctx );
				fprintf( fout, "<EN>" );
				break;
			case KEY_TAB:
				chewing_handle_Tab( ctx );
				fprintf( fout, "<T>" );
				break;
			case CTRL_0:
			case CTRL_1:
			case CTRL_2:
			case CTRL_3:
			case CTRL_4:
			case CTRL_5:
			case CTRL_6:
			case CTRL_7:
			case CTRL_8:
			case CTRL_9:
				add_phrase_length = ( ch - CTRL_0 + '0' );
				chewing_handle_CtrlNum( ctx, add_phrase_length );
				fprintf( fout, "<C%c>", add_phrase_length );
				break;
			case KEY_CTRL_('B'): /* emulate CapsLock */
				chewing_handle_Capslock( ctx );
				fprintf( fout, "<CB>");
				break;
			case KEY_CTRL_('D'):
			case EOF:
				goto end;
			case KEY_CTRL_('H'): /* emulate Shift */
				if ( chewing_get_ShapeMode( ctx ) == FULLSHAPE_MODE )
					chewing_set_ShapeMode( ctx, HALFSHAPE_MODE );
				else
					chewing_set_ShapeMode( ctx, FULLSHAPE_MODE );
				break;
			default:
				chewing_handle_Default( ctx, (char) ch );
				fprintf( fout, "%c", (char) ch );
				break;
		}
		drawline( 0, 0 );
		drawline( 2, 0 );
		show_interval_buffer( 3, 0, ctx );
		drawline( 4, 0 );
		show_choose_buffer( 5, 0, ctx );
		drawline( 6, 0 );
		show_zuin_buffer( 7, 0, ctx );
		show_full_shape( 7, 5, ctx );
		drawline( 8, 0 );
		mvaddstr( 9, 0, "Ctrl + d : leave" );
		mvaddstr( 9, 20, "Ctrl + b : toggle Eng/Chi mode" );
		mvaddstr( 10, 0, "F1, F2, F3, ..., F9 : Add user defined phrase");
		mvaddstr( 11, 0, "Crtl + h : toggle Full/Half shape mode" );
		show_commit_string( ctx );
		store_commit_string( ctx, fout2 );
		show_userphrase( 7, 12, ctx );
		show_edit_buffer( 1, 0, ctx );
	}
end:
	endwin();

	/* Release Chewing context */
	chewing_delete( ctx );

	/* Termate Chewing services */
	chewing_Terminate();

	fprintf( fout, "\n" );
	fprintf( fout2, "\n" );
	fclose( fout );
	fclose( fout2 );
	return 0;
}
int Chewing::End()       { return chewing_handle_End(ctx);}
Exemple #6
0
void type_single_keystroke( ChewingContext *ctx, int ch )
{
	switch ( ch ) {
		case KEY_LEFT:
			chewing_handle_Left( ctx );
			break;
		case KEY_SLEFT:
			chewing_handle_ShiftLeft( ctx );
			break;
		case KEY_RIGHT:
			chewing_handle_Right( ctx );
			break;
		case KEY_SRIGHT:
			chewing_handle_ShiftRight( ctx );
			break;
		case KEY_UP:
			chewing_handle_Up( ctx );
			break;
		case KEY_DOWN:
			chewing_handle_Down( ctx );
			break;
		case KEY_SPACE:
			chewing_handle_Space( ctx );
			break;
		case KEY_ENTER:
			chewing_handle_Enter( ctx );
			break;
		case KEY_BACKSPACE:
			chewing_handle_Backspace( ctx );
			break;
		case KEY_ESC:
			chewing_handle_Esc( ctx );
			break;
		case KEY_DELETE:
			chewing_handle_Del( ctx );
			break;
		case KEY_HOME:
			chewing_handle_Home( ctx );
			break;
		case KEY_END:
			chewing_handle_End( ctx );
			break;
		case KEY_TAB:
			chewing_handle_Tab( ctx );
			break;
		case KEY_CAPSLOCK:
			chewing_handle_Capslock( ctx );
			break;
		case KEY_NPAGE:
			chewing_handle_PageDown( ctx );
			break;
		case KEY_PPAGE:
			chewing_handle_PageUp( ctx );
			break;
		case KEY_SSPACE:
			chewing_handle_ShiftSpace( ctx );
			break;
		case KEY_DBLTAB:
			chewing_handle_DblTab( ctx );
			break;
		default:
			if ( KEY_CTRL_BASE <= ch && ch < KEY_NUMPAD_BASE)
				chewing_handle_CtrlNum( ctx, ch - KEY_CTRL_BASE );
			else if ( KEY_NUMPAD_BASE <= ch )
				chewing_handle_Numlock( ctx, ch - KEY_NUMPAD_BASE );
			else
				chewing_handle_Default( ctx, (char) ch );
			break;
	}
}