Example usage for android.view.inputmethod InputConnection getTextAfterCursor

Introduction

In this page you can find the example usage for android.view.inputmethod InputConnection getTextAfterCursor.

Prototype

CharSequence getTextAfterCursor(int n, int flags);

Source Link

Document

Get n characters of text after the current cursor position.

Usage

From source file:Main.java

/**
 * Returns the selected text between the selStart and selEnd positions.
 *///from w w  w  . j  av a 2  s. c  o m
private static CharSequence getSelectedText(InputConnection ic, int selStart, int selEnd) {
    // Use reflection, for backward compatibility
    CharSequence result = null;
    if (!sMethodsInitialized) {
        initializeMethodsForReflection();
    }
    if (sMethodGetSelectedText != null) {
        try {
            result = (CharSequence) sMethodGetSelectedText.invoke(ic, 0);
            return result;
        } catch (InvocationTargetException exc) {
            // Ignore
        } catch (IllegalArgumentException e) {
            // Ignore
        } catch (IllegalAccessException e) {
            // Ignore
        }
    }
    // Reflection didn't work, try it the poor way, by moving the cursor to the start,
    // getting the text after the cursor and moving the text back to selected mode.
    // TODO: Verify that this works properly in conjunction with 
    // LatinIME#onUpdateSelection
    ic.setSelection(selStart, selEnd);
    result = ic.getTextAfterCursor(selEnd - selStart, 0);
    ic.setSelection(selStart, selEnd);
    return result;
}

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From source file:com.anysoftkeyboard.AnySoftKeyboard.java

private boolean isCursorTouchingWord() {
    InputConnection ic = getCurrentInputConnection();
    if (ic == null)
        return false;

    CharSequence toLeft = ic.getTextBeforeCursor(1, 0);
    // It is not exactly clear to me why, but sometimes, although I request
    // 1 character, I get
    // the entire text. This causes me to incorrectly detect restart
    // suggestions...
    if (!TextUtils.isEmpty(toLeft) && toLeft.length() == 1 && !isWordSeparator(toLeft.charAt(0))) {
        return true;
    }/*ww w .  j  av  a 2  s.co m*/

    CharSequence toRight = ic.getTextAfterCursor(1, 0);
    return (!TextUtils.isEmpty(toRight)) && (toRight.length() == 1) && (!isWordSeparator(toRight.charAt(0)));
}

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From source file:org.distantshoresmedia.keyboard.LatinIME.java

private boolean isCursorTouchingWord() {
    InputConnection ic = getCurrentInputConnection();
    if (ic == null)
        return false;
    CharSequence toLeft = ic.getTextBeforeCursor(1, 0);
    CharSequence toRight = ic.getTextAfterCursor(1, 0);
    if (!TextUtils.isEmpty(toLeft) && !isWordSeparator(toLeft.charAt(0))
            && !isSuggestedPunctuation(toLeft.charAt(0))) {
        return true;
    }//ww  w  . ja v a2s . c  o  m
    if (!TextUtils.isEmpty(toRight) && !isWordSeparator(toRight.charAt(0))
            && !isSuggestedPunctuation(toRight.charAt(0))) {
        return true;
    }
    return false;
}

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From source file:com.anysoftkeyboard.AnySoftKeyboard.java

public void performRestartWordSuggestion(final InputConnection ic) {
    // I assume ASK DOES NOT predict at this moment!

    // 2) predicting and moved outside the word - abort predicting, update
    // shift state
    // 2.1) to a new word - restart predicting on the new word
    // 2.2) to no word land - nothing else

    // this means that the new cursor position is outside the candidates
    // underline/*  w  w  w  . jav a2 s .c  om*/
    // this can be either because the cursor is really outside the
    // previously underlined (suggested)
    // or nothing was suggested.
    // in this case, we would like to reset the prediction and restart
    // if the user clicked inside a different word
    // restart required?
    if (canRestartWordSuggestion()) {// 2.1
        ic.beginBatchEdit();// don't want any events till I finish handling
        // this touch
        abortCorrectionAndResetPredictionState(false);

        // locating the word
        CharSequence toLeft = "";
        CharSequence toRight = "";
        while (true) {
            CharSequence newToLeft = ic.getTextBeforeCursor(toLeft.length() + 1, 0);
            if (TextUtils.isEmpty(newToLeft) || isWordSeparator(newToLeft.charAt(0))
                    || newToLeft.length() == toLeft.length()) {
                break;
            }
            toLeft = newToLeft;
        }
        while (true) {
            CharSequence newToRight = ic.getTextAfterCursor(toRight.length() + 1, 0);
            if (TextUtils.isEmpty(newToRight) || isWordSeparator(newToRight.charAt(newToRight.length() - 1))
                    || newToRight.length() == toRight.length()) {
                break;
            }
            toRight = newToRight;
        }
        CharSequence word = toLeft.toString() + toRight.toString();
        Logger.d(TAG, "Starting new prediction on word '%s'.", word);
        mUndoCommitCursorPosition = UNDO_COMMIT_NONE;
        mWord.reset();

        final int[] tempNearByKeys = new int[1];

        for (int index = 0; index < word.length(); index++) {
            final char c = word.charAt(index);
            if (index == 0)
                mWord.setFirstCharCapitalized(Character.isUpperCase(c));

            tempNearByKeys[0] = c;
            mWord.add(c, tempNearByKeys);

            TextEntryState.typedCharacter(c, false);
        }
        ic.deleteSurroundingText(toLeft.length(), toRight.length());
        ic.setComposingText(word, 1);
        // repositioning the cursor
        if (toRight.length() > 0) {
            final int cursorPosition = getCursorPosition(ic) - toRight.length();
            Logger.d(TAG, "Repositioning the cursor inside the word to position %d", cursorPosition);
            ic.setSelection(cursorPosition, cursorPosition);
        }

        mWord.setCursorPosition(toLeft.length());
        ic.endBatchEdit();
        postUpdateSuggestions();
    } else {
        Logger.d(TAG, "performRestartWordSuggestion canRestartWordSuggestion == false");
    }
}

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From source file:com.yek.keyboard.anysoftkeyboard.AnySoftKeyboard.java

private void onFunctionKey(final int primaryCode, final Keyboard.Key key, final int multiTapIndex,
        final int[] nearByKeyCodes, final boolean fromUI) {
    if (BuildConfig.DEBUG)
        Logger.d(TAG, "onFunctionKey %d", primaryCode);

    final InputConnection ic = getCurrentInputConnection();

    switch (primaryCode) {
    case KeyCodes.DELETE:
        if (ic == null)// if we don't want to do anything, lets check null first.
            break;
        // we do backword if the shift is pressed while pressing
        // backspace (like in a PC)
        if (mAskPrefs.useBackword() && mShiftKeyState.isPressed() && !mShiftKeyState.isLocked()) {
            handleBackWord(ic);/*from   www. j a v  a 2 s. com*/
        } else {
            handleDeleteLastCharacter(false);
        }
        break;
    case KeyCodes.SHIFT:
        if (fromUI) {
            handleShift();
        } else {
            //not from UI (user not actually pressed that button)
            onPress(primaryCode);
            onRelease(primaryCode);
        }
        break;
    case KeyCodes.SHIFT_LOCK:
        mShiftKeyState.toggleLocked();
        handleShift();
        break;
    case KeyCodes.DELETE_WORD:
        if (ic == null)// if we don't want to do anything, lets check
            // null first.
            break;
        handleBackWord(ic);
        break;
    case KeyCodes.CLEAR_INPUT:
        if (ic != null) {
            ic.beginBatchEdit();
            abortCorrectionAndResetPredictionState(false);
            ic.deleteSurroundingText(Integer.MAX_VALUE, Integer.MAX_VALUE);
            ic.endBatchEdit();
        }
        break;
    case KeyCodes.CTRL:
        if (fromUI) {
            handleControl();
        } else {
            //not from UI (user not actually pressed that button)
            onPress(primaryCode);
            onRelease(primaryCode);
        }
        break;
    case KeyCodes.CTRL_LOCK:
        mControlKeyState.toggleLocked();
        handleControl();
        break;
    case KeyCodes.ARROW_LEFT:
    case KeyCodes.ARROW_RIGHT:
        final int keyEventKeyCode = primaryCode == KeyCodes.ARROW_LEFT ? KeyEvent.KEYCODE_DPAD_LEFT
                : KeyEvent.KEYCODE_DPAD_RIGHT;
        if (!handleSelectionExpending(keyEventKeyCode, ic, mGlobalSelectionStartPosition,
                mGlobalCursorPosition)) {
            sendDownUpKeyEvents(keyEventKeyCode);
        }
        break;
    case KeyCodes.ARROW_UP:
        sendDownUpKeyEvents(KeyEvent.KEYCODE_DPAD_UP);
        break;
    case KeyCodes.ARROW_DOWN:
        sendDownUpKeyEvents(KeyEvent.KEYCODE_DPAD_DOWN);
        break;
    case KeyCodes.MOVE_HOME:
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
            sendDownUpKeyEvents(0x0000007a/*API 11:KeyEvent.KEYCODE_MOVE_HOME*/);
        } else {
            if (ic != null) {
                CharSequence textBefore = ic.getTextBeforeCursor(1024, 0);
                if (!TextUtils.isEmpty(textBefore)) {
                    int newPosition = textBefore.length() - 1;
                    while (newPosition > 0) {
                        char chatAt = textBefore.charAt(newPosition - 1);
                        if (chatAt == '\n' || chatAt == '\r') {
                            break;
                        }
                        newPosition--;
                    }
                    if (newPosition < 0)
                        newPosition = 0;
                    ic.setSelection(newPosition, newPosition);
                }
            }
        }
        break;
    case KeyCodes.MOVE_END:
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
            //API 11: KeyEvent.KEYCODE_MOVE_END
            sendDownUpKeyEvents(0x0000007b);
        } else {
            if (ic != null) {
                CharSequence textAfter = ic.getTextAfterCursor(1024, 0);
                if (!TextUtils.isEmpty(textAfter)) {
                    int newPosition = 1;
                    while (newPosition < textAfter.length()) {
                        char chatAt = textAfter.charAt(newPosition);
                        if (chatAt == '\n' || chatAt == '\r') {
                            break;
                        }
                        newPosition++;
                    }
                    if (newPosition > textAfter.length())
                        newPosition = textAfter.length();
                    try {
                        CharSequence textBefore = ic.getTextBeforeCursor(Integer.MAX_VALUE, 0);
                        if (!TextUtils.isEmpty(textBefore)) {
                            newPosition = newPosition + textBefore.length();
                        }
                        ic.setSelection(newPosition, newPosition);
                    } catch (Throwable e/*I'm using Integer.MAX_VALUE, it's scary.*/) {
                        Logger.w(TAG, "Failed to getTextBeforeCursor.", e);
                    }
                }
            }
        }
        break;
    case KeyCodes.VOICE_INPUT:
        if (mVoiceRecognitionTrigger.isInstalled()) {
            mVoiceRecognitionTrigger
                    .startVoiceRecognition(getCurrentAlphabetKeyboard().getDefaultDictionaryLocale());
        } else {
            Intent voiceInputNotInstalledIntent = new Intent(getApplicationContext(),
                    VoiceInputNotInstalledActivity.class);
            voiceInputNotInstalledIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
            startActivity(voiceInputNotInstalledIntent);
        }
        break;
    case KeyCodes.CANCEL:
        handleClose();
        break;
    case KeyCodes.SETTINGS:
        showOptionsMenu();
        break;
    case KeyCodes.SPLIT_LAYOUT:
    case KeyCodes.MERGE_LAYOUT:
    case KeyCodes.COMPACT_LAYOUT_TO_RIGHT:
    case KeyCodes.COMPACT_LAYOUT_TO_LEFT:
        if (getInputView() != null) {
            mKeyboardInCondensedMode = CondenseType.fromKeyCode(primaryCode);
            setKeyboardForView(getCurrentKeyboard());
        }
        break;
    case KeyCodes.DOMAIN:
        onText(key, mAskPrefs.getDomainText());
        break;
    case KeyCodes.QUICK_TEXT:
        onQuickTextRequested(key);
        break;
    case KeyCodes.QUICK_TEXT_POPUP:
        onQuickTextKeyboardRequested(key);
        break;
    case KeyCodes.MODE_SYMOBLS:
        nextKeyboard(getCurrentInputEditorInfo(), KeyboardSwitcher.NextKeyboardType.Symbols);
        break;
    case KeyCodes.MODE_ALPHABET:
        if (getKeyboardSwitcher().shouldPopupForLanguageSwitch()) {
            showLanguageSelectionDialog();
        } else {
            nextKeyboard(getCurrentInputEditorInfo(), KeyboardSwitcher.NextKeyboardType.Alphabet);
        }
        break;
    case KeyCodes.UTILITY_KEYBOARD:
        getInputView().openUtilityKeyboard();
        break;
    case KeyCodes.MODE_ALPHABET_POPUP:
        showLanguageSelectionDialog();
        break;
    case KeyCodes.ALT:
        nextAlterKeyboard(getCurrentInputEditorInfo());
        break;
    case KeyCodes.KEYBOARD_CYCLE:
        nextKeyboard(getCurrentInputEditorInfo(), KeyboardSwitcher.NextKeyboardType.Any);
        break;
    case KeyCodes.KEYBOARD_REVERSE_CYCLE:
        nextKeyboard(getCurrentInputEditorInfo(), KeyboardSwitcher.NextKeyboardType.PreviousAny);
        break;
    case KeyCodes.KEYBOARD_CYCLE_INSIDE_MODE:
        nextKeyboard(getCurrentInputEditorInfo(), KeyboardSwitcher.NextKeyboardType.AnyInsideMode);
        break;
    case KeyCodes.KEYBOARD_MODE_CHANGE:
        nextKeyboard(getCurrentInputEditorInfo(), KeyboardSwitcher.NextKeyboardType.OtherMode);
        break;
    case KeyCodes.CLIPBOARD_COPY:
    case KeyCodes.CLIPBOARD_PASTE:
    case KeyCodes.CLIPBOARD_CUT:
    case KeyCodes.CLIPBOARD_SELECT_ALL:
    case KeyCodes.CLIPBOARD_PASTE_POPUP:
    case KeyCodes.CLIPBOARD_SELECT:
        handleClipboardOperation(key, primaryCode, ic);
        //not allowing undo on-text in clipboard paste operations.
        if (primaryCode == KeyCodes.CLIPBOARD_PASTE)
            mCommittedWord = "";
        break;
    default:
        if (BuildConfig.DEBUG) {
            //this should not happen! We should handle ALL function keys.
            throw new RuntimeException("UNHANDLED FUNCTION KEY! primary code " + primaryCode);
        } else {
            Logger.w(TAG, "UNHANDLED FUNCTION KEY! primary code %d. Ignoring.", primaryCode);
        }
    }
}

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From source file:com.anysoftkeyboard.AnySoftKeyboard.java

private void onFunctionKey(final int primaryCode, final Key key, final int multiTapIndex,
        final int[] nearByKeyCodes, final boolean fromUI) {
    if (BuildConfig.DEBUG)
        Logger.d(TAG, "onFunctionKey %d", primaryCode);

    final InputConnection ic = getCurrentInputConnection();

    switch (primaryCode) {
    case KeyCodes.DELETE:
        if (ic == null)// if we don't want to do anything, lets check null first.
            break;
        // we do backword if the shift is pressed while pressing
        // backspace (like in a PC)
        if (mAskPrefs.useBackword() && mShiftKeyState.isPressed() && !mShiftKeyState.isLocked()) {
            handleBackWord(ic);/* ww w  .j  av  a2  s.  com*/
        } else {
            handleDeleteLastCharacter(false);
        }
        break;
    case KeyCodes.SHIFT:
        if (fromUI) {
            handleShift();
        } else {
            //not from UI (user not actually pressed that button)
            onPress(primaryCode);
            onRelease(primaryCode);
        }
        break;
    case KeyCodes.SHIFT_LOCK:
        mShiftKeyState.toggleLocked();
        handleShift();
        break;
    case KeyCodes.DELETE_WORD:
        if (ic == null)// if we don't want to do anything, lets check
            // null first.
            break;
        handleBackWord(ic);
        break;
    case KeyCodes.CLEAR_INPUT:
        if (ic != null) {
            ic.beginBatchEdit();
            abortCorrectionAndResetPredictionState(false);
            ic.deleteSurroundingText(Integer.MAX_VALUE, Integer.MAX_VALUE);
            ic.endBatchEdit();
        }
        break;
    case KeyCodes.CTRL:
        if (fromUI) {
            handleControl();
        } else {
            //not from UI (user not actually pressed that button)
            onPress(primaryCode);
            onRelease(primaryCode);
        }
        break;
    case KeyCodes.CTRL_LOCK:
        mControlKeyState.toggleLocked();
        handleControl();
        break;
    case KeyCodes.ARROW_LEFT:
    case KeyCodes.ARROW_RIGHT:
        final int keyEventKeyCode = primaryCode == KeyCodes.ARROW_LEFT ? KeyEvent.KEYCODE_DPAD_LEFT
                : KeyEvent.KEYCODE_DPAD_RIGHT;
        if (!handleSelectionExpending(keyEventKeyCode, ic, mGlobalSelectionStartPosition,
                mGlobalCursorPosition)) {
            sendDownUpKeyEvents(keyEventKeyCode);
        }
        break;
    case KeyCodes.ARROW_UP:
        sendDownUpKeyEvents(KeyEvent.KEYCODE_DPAD_UP);
        break;
    case KeyCodes.ARROW_DOWN:
        sendDownUpKeyEvents(KeyEvent.KEYCODE_DPAD_DOWN);
        break;
    case KeyCodes.MOVE_HOME:
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
            sendDownUpKeyEvents(0x0000007a/*API 11:KeyEvent.KEYCODE_MOVE_HOME*/);
        } else {
            if (ic != null) {
                CharSequence textBefore = ic.getTextBeforeCursor(1024, 0);
                if (!TextUtils.isEmpty(textBefore)) {
                    int newPosition = textBefore.length() - 1;
                    while (newPosition > 0) {
                        char chatAt = textBefore.charAt(newPosition - 1);
                        if (chatAt == '\n' || chatAt == '\r') {
                            break;
                        }
                        newPosition--;
                    }
                    if (newPosition < 0)
                        newPosition = 0;
                    ic.setSelection(newPosition, newPosition);
                }
            }
        }
        break;
    case KeyCodes.MOVE_END:
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
            //API 11: KeyEvent.KEYCODE_MOVE_END
            sendDownUpKeyEvents(0x0000007b);
        } else {
            if (ic != null) {
                CharSequence textAfter = ic.getTextAfterCursor(1024, 0);
                if (!TextUtils.isEmpty(textAfter)) {
                    int newPosition = 1;
                    while (newPosition < textAfter.length()) {
                        char chatAt = textAfter.charAt(newPosition);
                        if (chatAt == '\n' || chatAt == '\r') {
                            break;
                        }
                        newPosition++;
                    }
                    if (newPosition > textAfter.length())
                        newPosition = textAfter.length();
                    try {
                        CharSequence textBefore = ic.getTextBeforeCursor(Integer.MAX_VALUE, 0);
                        if (!TextUtils.isEmpty(textBefore)) {
                            newPosition = newPosition + textBefore.length();
                        }
                        ic.setSelection(newPosition, newPosition);
                    } catch (Throwable e/*I'm using Integer.MAX_VALUE, it's scary.*/) {
                        Logger.w(TAG, "Failed to getTextBeforeCursor.", e);
                    }
                }
            }
        }
        break;
    case KeyCodes.VOICE_INPUT:
        if (mVoiceRecognitionTrigger.isInstalled()) {
            mVoiceRecognitionTrigger
                    .startVoiceRecognition(getCurrentAlphabetKeyboard().getDefaultDictionaryLocale());
        } else {
            Intent voiceInputNotInstalledIntent = new Intent(getApplicationContext(),
                    VoiceInputNotInstalledActivity.class);
            voiceInputNotInstalledIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
            startActivity(voiceInputNotInstalledIntent);
        }
        break;
    case KeyCodes.CANCEL:
        hideWindow();
        break;
    case KeyCodes.SETTINGS:
        showOptionsMenu();
        break;
    case KeyCodes.SPLIT_LAYOUT:
    case KeyCodes.MERGE_LAYOUT:
    case KeyCodes.COMPACT_LAYOUT_TO_RIGHT:
    case KeyCodes.COMPACT_LAYOUT_TO_LEFT:
        if (getInputView() != null) {
            mKeyboardInCondensedMode = CondenseType.fromKeyCode(primaryCode);
            setKeyboardForView(getCurrentKeyboard());
        }
        break;
    case KeyCodes.DOMAIN:
        onText(key, mAskPrefs.getDomainText());
        break;
    case KeyCodes.QUICK_TEXT:
        onQuickTextRequested(key);
        break;
    case KeyCodes.QUICK_TEXT_POPUP:
        onQuickTextKeyboardRequested(key);
        break;
    case KeyCodes.MODE_SYMOBLS:
        nextKeyboard(getCurrentInputEditorInfo(), NextKeyboardType.Symbols);
        break;
    case KeyCodes.MODE_ALPHABET:
        if (getKeyboardSwitcher().shouldPopupForLanguageSwitch()) {
            showLanguageSelectionDialog();
        } else {
            nextKeyboard(getCurrentInputEditorInfo(), NextKeyboardType.Alphabet);
        }
        break;
    case KeyCodes.UTILITY_KEYBOARD:
        getInputView().openUtilityKeyboard();
        break;
    case KeyCodes.MODE_ALPHABET_POPUP:
        showLanguageSelectionDialog();
        break;
    case KeyCodes.ALT:
        nextAlterKeyboard(getCurrentInputEditorInfo());
        break;
    case KeyCodes.KEYBOARD_CYCLE:
        nextKeyboard(getCurrentInputEditorInfo(), NextKeyboardType.Any);
        break;
    case KeyCodes.KEYBOARD_REVERSE_CYCLE:
        nextKeyboard(getCurrentInputEditorInfo(), NextKeyboardType.PreviousAny);
        break;
    case KeyCodes.KEYBOARD_CYCLE_INSIDE_MODE:
        nextKeyboard(getCurrentInputEditorInfo(), NextKeyboardType.AnyInsideMode);
        break;
    case KeyCodes.KEYBOARD_MODE_CHANGE:
        nextKeyboard(getCurrentInputEditorInfo(), NextKeyboardType.OtherMode);
        break;
    case KeyCodes.CLIPBOARD_COPY:
    case KeyCodes.CLIPBOARD_PASTE:
    case KeyCodes.CLIPBOARD_CUT:
    case KeyCodes.CLIPBOARD_SELECT_ALL:
    case KeyCodes.CLIPBOARD_PASTE_POPUP:
    case KeyCodes.CLIPBOARD_SELECT:
        handleClipboardOperation(key, primaryCode, ic);
        //not allowing undo on-text in clipboard paste operations.
        if (primaryCode == KeyCodes.CLIPBOARD_PASTE)
            mCommittedWord = "";
        break;
    default:
        if (BuildConfig.DEBUG) {
            //this should not happen! We should handle ALL function keys.
            throw new RuntimeException("UNHANDLED FUNCTION KEY! primary code " + primaryCode);
        } else {
            Logger.w(TAG, "UNHANDLED FUNCTION KEY! primary code %d. Ignoring.", primaryCode);
        }
    }
}

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