| /* |
| * Copyright (C) 2008,2009 OMRON SOFTWARE Co., Ltd. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package jp.co.omronsoft.openwnn; |
| |
| import jp.co.omronsoft.openwnn.EN.*; |
| import android.content.SharedPreferences; |
| import android.content.Context; |
| import android.content.res.Configuration; |
| import android.inputmethodservice.InputMethodService; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.preference.PreferenceManager; |
| import android.text.SpannableStringBuilder; |
| import android.text.Spanned; |
| import android.text.method.MetaKeyKeyListener; |
| import android.text.style.BackgroundColorSpan; |
| import android.text.style.CharacterStyle; |
| import android.text.style.UnderlineSpan; |
| import android.util.Log; |
| import android.view.KeyCharacterMap; |
| import android.view.KeyEvent; |
| import android.view.View; |
| import android.view.inputmethod.EditorInfo; |
| |
| /** |
| * The OpenWnn English IME class. |
| * |
| * @author Copyright (C) 2009 OMRON SOFTWARE CO., LTD. All Rights Reserved. |
| */ |
| public class OpenWnnEN extends OpenWnn { |
| /** A space character */ |
| private static final char[] SPACE = {' '}; |
| |
| /** Character style of underline */ |
| private static final CharacterStyle SPAN_UNDERLINE = new UnderlineSpan(); |
| /** Highlight color style for the selected string */ |
| private static final CharacterStyle SPAN_EXACT_BGCOLOR_HL = new BackgroundColorSpan(0xFF66CDAA); |
| /** Highlight color style for the composing text */ |
| private static final CharacterStyle SPAN_REMAIN_BGCOLOR_HL = new BackgroundColorSpan(0xFFF0FFFF); |
| |
| /** A private area code(ALT+SHIFT+X) to be ignore (G1 specific). */ |
| private static final int PRIVATE_AREA_CODE = 61184; |
| /** Never move cursor in to the composing text (adapting to IMF's specification change) */ |
| private static final boolean FIX_CURSOR_TEXT_END = true; |
| |
| /** Whether using Emoji or not */ |
| private static final boolean ENABLE_EMOJI_LIMITATION = true; |
| |
| /** Spannable string for the composing text */ |
| protected SpannableStringBuilder mDisplayText; |
| |
| /** Handler for drawing the candidates view */ |
| private Handler mDelayUpdateHandler; |
| /** Characters treated as a separator */ |
| private String mWordSeparators; |
| /** Previous event's code */ |
| private int mPreviousEventCode; |
| |
| /** Array of words from the user dictionary */ |
| private WnnWord[] mUserDictionaryWords = null; |
| |
| /** The converter for English prediction/spell correction */ |
| private OpenWnnEngineEN mConverterEN; |
| /** The symbol list generator */ |
| private SymbolList mSymbolList; |
| /** Whether it is displaying symbol list */ |
| private boolean mSymbolMode; |
| /** Whether prediction is enabled */ |
| private boolean mOptPrediction; |
| /** Whether spell correction is enabled */ |
| private boolean mOptSpellCorrection; |
| /** Whether learning is enabled */ |
| private boolean mOptLearning; |
| |
| /** SHIFT key state */ |
| private int mHardShift; |
| /** SHIFT key state (pressing) */ |
| private boolean mShiftPressing; |
| /** ALT key state */ |
| private int mHardAlt; |
| /** ALT key state (pressing) */ |
| private boolean mAltPressing; |
| |
| /** Instance of this service */ |
| private static OpenWnnEN mSelf = null; |
| |
| /** Shift lock toggle definition */ |
| private static final int[] mShiftKeyToggle = {0, MetaKeyKeyListener.META_SHIFT_ON, MetaKeyKeyListener.META_CAP_LOCKED}; |
| /** Alt lock toggle definition */ |
| private static final int[] mAltKeyToggle = {0, MetaKeyKeyListener.META_ALT_ON, MetaKeyKeyListener.META_ALT_LOCKED}; |
| /** Auto caps mode */ |
| private boolean mAutoCaps = false; |
| |
| private CandidateFilter mFilter; |
| |
| /** |
| * Constructor |
| */ |
| public OpenWnnEN() { |
| super(); |
| mSelf = this; |
| |
| /* used by OpenWnn */ |
| mComposingText = new ComposingText(); |
| mCandidatesViewManager = new TextCandidatesViewManager(-1); |
| mInputViewManager = new DefaultSoftKeyboardEN(); |
| mConverterEN = new OpenWnnEngineEN("/data/data/jp.co.omronsoft.openwnn/writableEN.dic"); |
| mConverter = mConverterEN; |
| mFilter = new CandidateFilter(); |
| mSymbolList = null; |
| |
| /* etc */ |
| mDisplayText = new SpannableStringBuilder(); |
| mAutoHideMode = false; |
| mDelayUpdateHandler = new Handler(); |
| mSymbolMode = false; |
| mOptPrediction = true; |
| mOptSpellCorrection = true; |
| mOptLearning = true; |
| } |
| |
| /** |
| * Constructor |
| * |
| * @param context The context |
| */ |
| public OpenWnnEN(Context context) { |
| this(); |
| attachBaseContext(context); |
| } |
| /** |
| * Get the instance of this service. |
| * <br> |
| * Before using this method, the constructor of this service must be invoked. |
| * |
| * @return The instance of this object |
| */ |
| public static OpenWnnEN getInstance() { |
| return mSelf; |
| } |
| |
| /** |
| * Insert a character into the composing text. |
| * |
| * @param chars A array of character |
| */ |
| private void insertCharToComposingText(char[] chars) { |
| StrSegment seg = new StrSegment(chars); |
| |
| if (chars[0] == SPACE[0] || chars[0] == '\u0009') { |
| /* if the character is a space, commit the composing text */ |
| commitText(1); |
| commitText(seg.string); |
| mComposingText.clear(); |
| } else if (mWordSeparators.contains(seg.string)) { |
| /* if the character is a separator, remove an auto-inserted space and commit the composing text. */ |
| if (mPreviousEventCode == OpenWnnEvent.SELECT_CANDIDATE) { |
| mInputConnection.deleteSurroundingText(1, 0); |
| } |
| commitText(1); |
| commitText(seg.string); |
| mComposingText.clear(); |
| } else { |
| mComposingText.insertStrSegment(0, 1, seg); |
| updateComposingText(1); |
| } |
| } |
| |
| /** |
| * Insert a character into the composing text. |
| * |
| * @param charCode A character code |
| * @return {@code true} if success; {@code false} if an error occurs. |
| */ |
| private boolean insertCharToComposingText(int charCode) { |
| if (charCode == 0) { |
| return false; |
| } |
| insertCharToComposingText(Character.toChars(charCode)); |
| return true; |
| } |
| |
| /** |
| * Get the shift key state from the editor. |
| * |
| * @param editor Editor |
| * |
| * @return State ID of the shift key (0:off, 1:on) |
| */ |
| protected int getShiftKeyState(EditorInfo editor) { |
| return (getCurrentInputConnection().getCursorCapsMode(editor.inputType) == 0) ? 0 : 1; |
| } |
| |
| /** |
| * Set the mode of the symbol list. |
| * |
| * @param mode {@code SymbolList.SYMBOL_ENGLISH} or {@code null}. |
| */ |
| private void setSymbolMode(String mode) { |
| if (mode != null) { |
| mDelayUpdateHandler.removeCallbacks(updatePredictionRunnable); |
| mSymbolMode = true; |
| mSymbolList.setDictionary(mode); |
| mConverter = mSymbolList; |
| } else { |
| if (!mSymbolMode) { |
| return; |
| } |
| mDelayUpdateHandler.removeCallbacks(updatePredictionRunnable); |
| mSymbolMode = false; |
| mConverter = mConverterEN; |
| } |
| } |
| |
| /*********************************************************************** |
| * InputMethodServer |
| ***********************************************************************/ |
| /** @see jp.co.omronsoft.openwnn.OpenWnn#onCreate */ |
| @Override public void onCreate() { |
| super.onCreate(); |
| mWordSeparators = getResources().getString(R.string.en_word_separators); |
| |
| if (mSymbolList == null) { |
| mSymbolList = new SymbolList(this, SymbolList.LANG_EN); |
| } |
| } |
| |
| /** @see jp.co.omronsoft.openwnn.OpenWnn#onCreateInputView */ |
| @Override public View onCreateInputView() { |
| int hiddenState = getResources().getConfiguration().hardKeyboardHidden; |
| boolean hidden = (hiddenState == Configuration.HARDKEYBOARDHIDDEN_YES); |
| ((DefaultSoftKeyboardEN) mInputViewManager).setHardKeyboardHidden(hidden); |
| ((TextCandidatesViewManager) |
| mCandidatesViewManager).setHardKeyboardHidden(hidden); |
| |
| return super.onCreateInputView(); |
| } |
| |
| /** @see jp.co.omronsoft.openwnn.OpenWnn#onStartInputView */ |
| @Override public void onStartInputView(EditorInfo attribute, boolean restarting) { |
| super.onStartInputView(attribute, restarting); |
| |
| /* initialize views */ |
| mCandidatesViewManager.clearCandidates(); |
| mCandidatesViewManager.setViewType(CandidatesViewManager.VIEW_TYPE_CLOSE); |
| |
| mHardShift = 0; |
| mHardAlt = 0; |
| updateMetaKeyStateDisplay(); |
| |
| /* load preferences */ |
| SharedPreferences pref = PreferenceManager.getDefaultSharedPreferences(this); |
| |
| /* auto caps mode */ |
| mAutoCaps = pref.getBoolean("auto_caps", true); |
| |
| /* set TextCandidatesViewManager's option */ |
| ((TextCandidatesViewManager)mCandidatesViewManager).setAutoHide(true); |
| |
| /* display status icon */ |
| showStatusIcon(R.drawable.immodeic_half_alphabet); |
| |
| /* set prediction & spell correction mode */ |
| mOptPrediction = pref.getBoolean("opt_en_prediction", true); |
| mOptSpellCorrection = pref.getBoolean("opt_en_spell_correction", true); |
| mOptLearning = pref.getBoolean("opt_en_enable_learning", true); |
| |
| /* prediction on/off */ |
| switch (attribute.inputType & EditorInfo.TYPE_MASK_CLASS) { |
| case EditorInfo.TYPE_CLASS_NUMBER: |
| case EditorInfo.TYPE_CLASS_DATETIME: |
| case EditorInfo.TYPE_CLASS_PHONE: |
| mOptPrediction = false; |
| mOptLearning = false; |
| break; |
| |
| case EditorInfo.TYPE_CLASS_TEXT: |
| switch (attribute.inputType & EditorInfo.TYPE_MASK_VARIATION) { |
| case EditorInfo.TYPE_TEXT_VARIATION_PASSWORD: |
| case EditorInfo.TYPE_TEXT_VARIATION_PHONETIC: |
| mOptLearning = false; |
| mOptPrediction = false; |
| break; |
| default: |
| break; |
| } |
| } |
| |
| /* set engine's mode */ |
| if (mOptSpellCorrection) { |
| mConverterEN.setDictionary(OpenWnnEngineEN.DICT_FOR_CORRECT_MISTYPE); |
| } else { |
| mConverterEN.setDictionary(OpenWnnEngineEN.DICT_DEFAULT); |
| } |
| /* emoji */ |
| if (ENABLE_EMOJI_LIMITATION) { |
| Bundle bundle = attribute.extras; |
| if (bundle != null && bundle.getBoolean("allowEmoji")) { |
| mConverterEN.setFilter(null); |
| } else { |
| mFilter.setFilter(CandidateFilter.FILTER_EMOJI); |
| mConverterEN.setFilter(mFilter); |
| } |
| } else { |
| mConverterEN.setFilter(null); |
| } |
| |
| /* doesn't learn any word if it is not prediction mode */ |
| if (!mOptPrediction) { |
| mOptLearning = false; |
| } |
| |
| if (mComposingText != null) { |
| mComposingText.clear(); |
| } |
| /* initialize the engine's state */ |
| fitInputType(pref, attribute); |
| } |
| |
| /** @see jp.co.omronsoft.openwnn.OpenWnn#onComputeInsets */ |
| @Override public void onComputeInsets(InputMethodService.Insets outInsets) { |
| /* use default value. means; |
| * outInsets.touchableInsets = InputMethodService.Insets.TOUCHABLE_INSETS_VISIBLE; |
| */ |
| } |
| |
| /** @see jp.co.omronsoft.openwnn.OpenWnn#onUpdateSelection */ |
| @Override public void onUpdateSelection(int oldSelStart, int oldSelEnd, |
| int newSelStart, int newSelEnd, int candidatesStart, |
| int candidatesEnd) { |
| if (mComposingText.size(1) != 0) { |
| updateComposingText(1); |
| } |
| } |
| |
| /** @see jp.co.omronsoft.openwnn.OpenWnn#onConfigurationChanged */ |
| @Override public void onConfigurationChanged(Configuration newConfig) { |
| try { |
| super.onConfigurationChanged(newConfig); |
| if (mInputConnection != null) { |
| updateComposingText(1); |
| } |
| } catch (Exception ex) { |
| } |
| } |
| |
| /** @see jp.co.omronsoft.openwnn.OpenWnn#onEvaluateFullscreenMode */ |
| @Override public boolean onEvaluateFullscreenMode() { |
| return false; |
| } |
| |
| /** @see jp.co.omronsoft.openwnn.OpenWnn#onEvaluateInputViewShown */ |
| @Override public boolean onEvaluateInputViewShown() { |
| return true; |
| } |
| |
| /*********************************************************************** |
| * OpenWnn |
| ***********************************************************************/ |
| /** @see jp.co.omronsoft.openwnn.OpenWnn#onEvent */ |
| @Override synchronized public boolean onEvent(OpenWnnEvent ev) { |
| /* handling events which are valid when InputConnection is not active. */ |
| switch (ev.code) { |
| |
| case OpenWnnEvent.KEYUP: |
| onKeyUpEvent(ev.keyEvent); |
| return true; |
| |
| case OpenWnnEvent.INITIALIZE_LEARNING_DICTIONARY: |
| return mConverterEN.initializeDictionary( WnnEngine.DICTIONARY_TYPE_LEARN ); |
| |
| case OpenWnnEvent.INITIALIZE_USER_DICTIONARY: |
| return mConverterEN.initializeDictionary( WnnEngine.DICTIONARY_TYPE_USER ); |
| |
| case OpenWnnEvent.LIST_WORDS_IN_USER_DICTIONARY: |
| mUserDictionaryWords = mConverterEN.getUserDictionaryWords( ); |
| return true; |
| |
| case OpenWnnEvent.GET_WORD: |
| if( mUserDictionaryWords != null ) { |
| ev.word = mUserDictionaryWords[ 0 ]; |
| for( int i = 0 ; i < mUserDictionaryWords.length-1 ; i++ ) { |
| mUserDictionaryWords[ i ] = mUserDictionaryWords[ i + 1 ]; |
| } |
| mUserDictionaryWords[ mUserDictionaryWords.length-1 ] = null; |
| if( mUserDictionaryWords[ 0 ] == null ) { |
| mUserDictionaryWords = null; |
| } |
| return true; |
| } |
| break; |
| |
| case OpenWnnEvent.ADD_WORD: |
| mConverterEN.addWord(ev.word); |
| return true; |
| |
| case OpenWnnEvent.DELETE_WORD: |
| mConverterEN.deleteWord(ev.word); |
| return true; |
| |
| case OpenWnnEvent.CHANGE_MODE: |
| return false; |
| |
| case OpenWnnEvent.CHANGE_INPUT_VIEW: |
| setInputView(onCreateInputView()); |
| return true; |
| |
| case OpenWnnEvent.CANDIDATE_VIEW_TOUCH: |
| boolean ret; |
| ret = ((TextCandidatesViewManager)mCandidatesViewManager).onTouchSync(); |
| return ret; |
| |
| default: |
| break; |
| } |
| |
| dismissPopupKeyboard(); |
| KeyEvent keyEvent = ev.keyEvent; |
| int keyCode = 0; |
| if (keyEvent != null) { |
| keyCode = keyEvent.getKeyCode(); |
| } |
| if (mDirectInputMode) { |
| if (ev.code == OpenWnnEvent.INPUT_SOFT_KEY && mInputConnection != null) { |
| mInputConnection.sendKeyEvent(keyEvent); |
| mInputConnection.sendKeyEvent(new KeyEvent(KeyEvent.ACTION_UP, |
| keyEvent.getKeyCode())); |
| } |
| return false; |
| } |
| |
| if (ev.code == OpenWnnEvent.LIST_CANDIDATES_FULL) { |
| mCandidatesViewManager.setViewType(CandidatesViewManager.VIEW_TYPE_FULL); |
| return true; |
| } |
| |
| boolean ret = false; |
| switch (ev.code) { |
| case OpenWnnEvent.INPUT_CHAR: |
| ((TextCandidatesViewManager)mCandidatesViewManager).setAutoHide(false); |
| EditorInfo edit = getCurrentInputEditorInfo(); |
| if( edit.inputType == EditorInfo.TYPE_CLASS_PHONE){ |
| commitText(new String(ev.chars)); |
| }else{ |
| setSymbolMode(null); |
| insertCharToComposingText(ev.chars); |
| ret = true; |
| mPreviousEventCode = ev.code; |
| } |
| break; |
| |
| case OpenWnnEvent.INPUT_KEY: |
| keyCode = ev.keyEvent.getKeyCode(); |
| /* update shift/alt state */ |
| switch (keyCode) { |
| case KeyEvent.KEYCODE_ALT_LEFT: |
| case KeyEvent.KEYCODE_ALT_RIGHT: |
| if (ev.keyEvent.getRepeatCount() == 0) { |
| if (++mHardAlt > 2) { mHardAlt = 0; } |
| } |
| mAltPressing = true; |
| updateMetaKeyStateDisplay(); |
| return true; |
| |
| case KeyEvent.KEYCODE_SHIFT_LEFT: |
| case KeyEvent.KEYCODE_SHIFT_RIGHT: |
| if (ev.keyEvent.getRepeatCount() == 0) { |
| if (++mHardShift > 2) { mHardShift = 0; } |
| } |
| mShiftPressing = true; |
| updateMetaKeyStateDisplay(); |
| return true; |
| } |
| setSymbolMode(null); |
| updateComposingText(1); |
| /* handle other key event */ |
| ret = processKeyEvent(ev.keyEvent); |
| mPreviousEventCode = ev.code; |
| break; |
| |
| case OpenWnnEvent.INPUT_SOFT_KEY: |
| setSymbolMode(null); |
| updateComposingText(1); |
| ret = processKeyEvent(ev.keyEvent); |
| if (!ret) { |
| mInputConnection.sendKeyEvent(ev.keyEvent); |
| mInputConnection.sendKeyEvent(new KeyEvent(KeyEvent.ACTION_UP, ev.keyEvent.getKeyCode())); |
| ret = true; |
| } |
| mPreviousEventCode = ev.code; |
| break; |
| |
| case OpenWnnEvent.SELECT_CANDIDATE: |
| if (mSymbolMode) { |
| commitText(ev.word, false); |
| } else { |
| if (mWordSeparators.contains(ev.word.candidate) && |
| mPreviousEventCode == OpenWnnEvent.SELECT_CANDIDATE) { |
| mInputConnection.deleteSurroundingText(1, 0); |
| } |
| commitText(ev.word, true); |
| } |
| mComposingText.clear(); |
| mPreviousEventCode = ev.code; |
| updateComposingText(1); |
| break; |
| |
| case OpenWnnEvent.LIST_SYMBOLS: |
| commitText(1); |
| mComposingText.clear(); |
| setSymbolMode(SymbolList.SYMBOL_ENGLISH); |
| updateComposingText(1); |
| break; |
| |
| default: |
| break; |
| } |
| |
| if (mCandidatesViewManager.getViewType() == CandidatesViewManager.VIEW_TYPE_FULL) { |
| mCandidatesViewManager.setViewType(CandidatesViewManager.VIEW_TYPE_NORMAL); |
| } |
| |
| return ret; |
| } |
| |
| /*********************************************************************** |
| * OpenWnnEN |
| ***********************************************************************/ |
| /** |
| * Handling KeyEvent |
| * <br> |
| * This method is called from {@link #onEvent()}. |
| * |
| * @param ev A key event |
| * @return {@code true} if the event is processed in this method; {@code false} if the event is not processed in this method |
| */ |
| private boolean processKeyEvent(KeyEvent ev) { |
| |
| int key = ev.getKeyCode(); |
| EditorInfo edit = getCurrentInputEditorInfo(); |
| /* keys which produce a glyph */ |
| if (ev.isPrintingKey()) { |
| /* do nothing if the character is not able to display or the character is dead key */ |
| if ((mHardShift > 0 && mHardAlt > 0) || (ev.isAltPressed() && ev.isShiftPressed())) { |
| int charCode = ev.getUnicodeChar(MetaKeyKeyListener.META_SHIFT_ON | MetaKeyKeyListener.META_ALT_ON); |
| if (charCode == 0 || (charCode & KeyCharacterMap.COMBINING_ACCENT) != 0 || charCode == PRIVATE_AREA_CODE) { |
| if(mHardShift == 1){ |
| mShiftPressing = false; |
| } |
| if(mHardAlt == 1){ |
| mAltPressing = false; |
| } |
| if(!ev.isAltPressed()){ |
| if (mHardAlt == 1) { |
| mHardAlt = 0; |
| } |
| } |
| if(!ev.isShiftPressed()){ |
| if (mHardShift == 1) { |
| mHardShift = 0; |
| } |
| } |
| if(!ev.isShiftPressed() && !ev.isAltPressed()){ |
| updateMetaKeyStateDisplay(); |
| } |
| return true; |
| } |
| } |
| |
| ((TextCandidatesViewManager)mCandidatesViewManager).setAutoHide(false); |
| |
| /* get the key character */ |
| if (mHardShift== 0 && mHardAlt == 0) { |
| /* no meta key is locked */ |
| int shift = (mAutoCaps) ? getShiftKeyState(edit) : 0; |
| if (shift != mHardShift && (key >= KeyEvent.KEYCODE_A && key <= KeyEvent.KEYCODE_Z)) { |
| /* handling auto caps for a alphabet character */ |
| insertCharToComposingText(ev.getUnicodeChar(MetaKeyKeyListener.META_SHIFT_ON)); |
| } else { |
| insertCharToComposingText(ev.getUnicodeChar()); |
| } |
| } else { |
| insertCharToComposingText(ev.getUnicodeChar(mShiftKeyToggle[mHardShift] |
| | mAltKeyToggle[mHardAlt])); |
| if(mHardShift == 1){ |
| mShiftPressing = false; |
| } |
| if(mHardAlt == 1){ |
| mAltPressing = false; |
| } |
| /* back to 0 (off) if 1 (on/not locked) */ |
| if(!ev.isAltPressed()){ |
| if (mHardAlt == 1) { |
| mHardAlt = 0; |
| } |
| } |
| if(!ev.isShiftPressed()){ |
| if (mHardShift == 1) { |
| mHardShift = 0; |
| } |
| } |
| if(!ev.isShiftPressed() && !ev.isAltPressed()){ |
| updateMetaKeyStateDisplay(); |
| } |
| } |
| |
| if (edit.inputType == EditorInfo.TYPE_CLASS_PHONE) { |
| commitText(1); |
| mComposingText.clear(); |
| return true; |
| } |
| return true; |
| |
| } else if (key == KeyEvent.KEYCODE_SPACE) { |
| if (ev.isAltPressed()) { |
| /* display the symbol list (G1 specific. same as KEYCODE_SYM) */ |
| commitText(1); |
| mComposingText.clear(); |
| setSymbolMode(SymbolList.SYMBOL_ENGLISH); |
| updateComposingText(1); |
| mHardAlt = 0; |
| updateMetaKeyStateDisplay(); |
| } else { |
| insertCharToComposingText(SPACE); |
| } |
| return true; |
| } else if (key == KeyEvent.KEYCODE_SYM) { |
| /* display the symbol list */ |
| commitText(1); |
| mComposingText.clear(); |
| setSymbolMode(SymbolList.SYMBOL_ENGLISH); |
| updateComposingText(1); |
| mHardAlt = 0; |
| updateMetaKeyStateDisplay(); |
| } |
| |
| |
| /* Functional key */ |
| if (mComposingText.size(1) > 0) { |
| switch (key) { |
| case KeyEvent.KEYCODE_DEL: |
| mComposingText.delete(1, false); |
| updateComposingText(1); |
| return true; |
| |
| case KeyEvent.KEYCODE_BACK: |
| if (mCandidatesViewManager.getViewType() == CandidatesViewManager.VIEW_TYPE_FULL) { |
| mCandidatesViewManager.setViewType(CandidatesViewManager.VIEW_TYPE_NORMAL); |
| } else { |
| mComposingText.clear(); |
| updateComposingText(1); |
| } |
| return true; |
| |
| case KeyEvent.KEYCODE_DPAD_LEFT: |
| mComposingText.moveCursor(1, -1); |
| updateComposingText(1); |
| return true; |
| |
| case KeyEvent.KEYCODE_DPAD_RIGHT: |
| mComposingText.moveCursor(1, 1); |
| updateComposingText(1); |
| return true; |
| |
| case KeyEvent.KEYCODE_ENTER: |
| case KeyEvent.KEYCODE_DPAD_CENTER: |
| commitText(1); |
| mComposingText.clear(); |
| return true; |
| |
| default: |
| break; |
| } |
| } |
| |
| return false; |
| } |
| |
| /** |
| * Runnable for a thread getting and displaying candidates. |
| */ |
| private final Runnable updatePredictionRunnable = new Runnable() { |
| public void run() { |
| int candidates = 0; |
| if (mConverter != null) { |
| /* normal prediction */ |
| candidates = mConverter.predict(mComposingText, 0, -1); |
| } |
| /* update the candidates view */ |
| if (candidates > 0) { |
| mCandidatesViewManager.displayCandidates(mConverter); |
| } else { |
| mCandidatesViewManager.clearCandidates(); |
| } |
| } |
| }; |
| |
| /** |
| * Update the composing text. |
| * |
| * @param layer {@link mComposingText}'s layer to display |
| */ |
| private void updateComposingText(int layer) { |
| /* update the candidates view */ |
| if (!mOptPrediction) { |
| commitText(1); |
| mComposingText.clear(); |
| if (mSymbolMode) { |
| mDelayUpdateHandler.removeCallbacks(updatePredictionRunnable); |
| mDelayUpdateHandler.postDelayed(updatePredictionRunnable, 0); |
| } |
| } else { |
| if (mComposingText.size(1) != 0) { |
| mDelayUpdateHandler.removeCallbacks(updatePredictionRunnable); |
| mDelayUpdateHandler.postDelayed(updatePredictionRunnable, 250); |
| } else { |
| mDelayUpdateHandler.removeCallbacks(updatePredictionRunnable); |
| mDelayUpdateHandler.postDelayed(updatePredictionRunnable, 0); |
| } |
| |
| /* notice to the input view */ |
| this.mInputViewManager.onUpdateState(this); |
| |
| /* set the candidates view to the normal size */ |
| if (mCandidatesViewManager.getViewType() != CandidatesViewManager.VIEW_TYPE_NORMAL) { |
| mCandidatesViewManager.setViewType(CandidatesViewManager.VIEW_TYPE_NORMAL); |
| } |
| /* set the text for displaying as the composing text */ |
| SpannableStringBuilder disp = mDisplayText; |
| disp.clear(); |
| disp.insert(0, mComposingText.toString(layer)); |
| |
| /* add decoration to the text */ |
| int cursor = mComposingText.getCursor(layer); |
| if (disp.length() != 0) { |
| if (cursor > 0 && cursor < disp.length()) { |
| disp.setSpan(SPAN_EXACT_BGCOLOR_HL, 0, cursor, |
| Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); |
| } |
| if (cursor < disp.length()) { |
| mDisplayText.setSpan(SPAN_REMAIN_BGCOLOR_HL, cursor, disp.length(), |
| Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); |
| } |
| |
| disp.setSpan(SPAN_UNDERLINE, 0, disp.length(), |
| Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); |
| } |
| |
| int displayCursor = cursor; |
| if (FIX_CURSOR_TEXT_END) { |
| displayCursor = (cursor == 0) ? 0 : 1; |
| } |
| /* update the composing text on the EditView */ |
| mInputConnection.setComposingText(disp, displayCursor); |
| } |
| } |
| |
| /** |
| * Commit the composing text. |
| * |
| * @param layer {@link mComposingText}'s layer to commit. |
| */ |
| private void commitText(int layer) { |
| String tmp = mComposingText.toString(layer); |
| |
| if (mOptLearning && mConverter != null && tmp.length() > 0) { |
| WnnWord word = new WnnWord(tmp, tmp); |
| mConverter.learn(word); |
| } |
| |
| mInputConnection.commitText(tmp, (FIX_CURSOR_TEXT_END ? 1 : tmp.length())); |
| mCandidatesViewManager.clearCandidates(); |
| } |
| |
| /** |
| * Commit a word |
| * |
| * @param word A word to commit |
| * @param withSpace Append a space after the word if {@code true}. |
| */ |
| private void commitText(WnnWord word, boolean withSpace) { |
| |
| if (mOptLearning && mConverter != null) { |
| mConverter.learn(word); |
| } |
| |
| mInputConnection.commitText(word.candidate, (FIX_CURSOR_TEXT_END ? 1 : word.candidate.length())); |
| |
| if (withSpace) { |
| commitText(" "); |
| } |
| } |
| |
| /** |
| * Commit a string |
| * <br> |
| * The string is not registered into the learning dictionary. |
| * |
| * @param str A string to commit |
| */ |
| private void commitText(String str) { |
| mInputConnection.commitText(str, (FIX_CURSOR_TEXT_END ? 1 : str.length())); |
| mCandidatesViewManager.clearCandidates(); |
| } |
| |
| /** |
| * Dismiss the pop-up keyboard |
| */ |
| protected void dismissPopupKeyboard() { |
| DefaultSoftKeyboardEN kbd = (DefaultSoftKeyboardEN)mInputViewManager; |
| if (kbd != null) { |
| kbd.dismissPopupKeyboard(); |
| } |
| } |
| |
| /** |
| * Display current meta-key state. |
| */ |
| private void updateMetaKeyStateDisplay() { |
| int mode = 0; |
| if(mHardShift == 0 && mHardAlt == 0){ |
| mode = DefaultSoftKeyboard.HARD_KEYMODE_SHIFT_OFF_ALT_OFF; |
| }else if(mHardShift == 1 && mHardAlt == 0){ |
| mode = DefaultSoftKeyboard.HARD_KEYMODE_SHIFT_ON_ALT_OFF; |
| }else if(mHardShift == 2 && mHardAlt == 0){ |
| mode = DefaultSoftKeyboard.HARD_KEYMODE_SHIFT_LOCK_ALT_OFF; |
| }else if(mHardShift == 0 && mHardAlt == 1){ |
| mode = DefaultSoftKeyboard.HARD_KEYMODE_SHIFT_OFF_ALT_ON; |
| }else if(mHardShift == 0 && mHardAlt == 2){ |
| mode = DefaultSoftKeyboard.HARD_KEYMODE_SHIFT_OFF_ALT_LOCK; |
| }else if(mHardShift == 1 && mHardAlt == 1){ |
| mode = DefaultSoftKeyboard.HARD_KEYMODE_SHIFT_ON_ALT_ON; |
| }else if(mHardShift == 1 && mHardAlt == 2){ |
| mode = DefaultSoftKeyboard.HARD_KEYMODE_SHIFT_ON_ALT_LOCK; |
| }else if(mHardShift == 2 && mHardAlt == 1){ |
| mode = DefaultSoftKeyboard.HARD_KEYMODE_SHIFT_LOCK_ALT_ON; |
| }else if(mHardShift == 2 && mHardAlt == 2){ |
| mode = DefaultSoftKeyboard.HARD_KEYMODE_SHIFT_LOCK_ALT_LOCK; |
| }else{ |
| mode = DefaultSoftKeyboard.HARD_KEYMODE_SHIFT_OFF_ALT_OFF; |
| } |
| |
| ((DefaultSoftKeyboard) mInputViewManager).updateIndicator(mode); |
| } |
| |
| /** |
| * Handling KeyEvent(KEYUP) |
| * <br> |
| * This method is called from {@link #onEvent()}. |
| * |
| * @param ev An up key event |
| */ |
| private void onKeyUpEvent(KeyEvent ev) { |
| int key = ev.getKeyCode(); |
| if(!mShiftPressing){ |
| if(key == KeyEvent.KEYCODE_SHIFT_LEFT || key == KeyEvent.KEYCODE_SHIFT_RIGHT){ |
| mHardShift = 0; |
| mShiftPressing = true; |
| updateMetaKeyStateDisplay(); |
| } |
| } |
| if(!mAltPressing ){ |
| if(key == KeyEvent.KEYCODE_ALT_LEFT || key == KeyEvent.KEYCODE_ALT_RIGHT){ |
| mHardAlt = 0; |
| mAltPressing = true; |
| updateMetaKeyStateDisplay(); |
| } |
| } |
| } |
| /** |
| * Fits an editor info. |
| * |
| * @param preferences The preference data. |
| * @param info The editor info. |
| */ |
| private void fitInputType(SharedPreferences preference, EditorInfo info) { |
| if (info.inputType == EditorInfo.TYPE_NULL) { |
| mDirectInputMode = true; |
| return; |
| } |
| } |
| } |
