Example usage for android.view KeyEvent KEYCODE_ALT_LEFT

List of usage examples for android.view KeyEvent KEYCODE_ALT_LEFT

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Introduction

In this page you can find the example usage for android.view KeyEvent KEYCODE_ALT_LEFT.

Prototype

int KEYCODE_ALT_LEFT

To view the source code for android.view KeyEvent KEYCODE_ALT_LEFT.

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Document

Key code constant: Left Alt modifier key.

Usage

From source file:com.volosyukivan.WiFiInputMethod.java

void receivedKey(int code, boolean pressed) {
    if (code == KeyboardHttpServer.FOCUS) {
        for (int key : pressedKeys) {
            sendKey(key, false, false);/*ww w  . j  a  va  2  s.  c om*/
        }
        pressedKeys.clear();
        resetModifiers();
        return;
    }
    if (pressedKeys.contains(code) == pressed) {
        if (pressed == false)
            return;
        // ignore autorepeat on following keys
        switch (code) {
        case KeyEvent.KEYCODE_ALT_LEFT:
        case KeyEvent.KEYCODE_SHIFT_LEFT:
        case KeyEvent.KEYCODE_HOME:
        case KeyEvent.KEYCODE_MENU:
            return;
        }
    }
    if (pressed) {
        pressedKeys.add(code);
        sendKey(code, pressed, false);
    } else {
        pressedKeys.remove(code);
        sendKey(code, pressed, pressedKeys.isEmpty());
    }
}

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

@Override
public boolean onKeyDown(final int keyEventKeyCode, @NonNull KeyEvent event) {
    InputConnection ic = getCurrentInputConnection();
    if (handleSelectionExpending(keyEventKeyCode, ic, mGlobalSelectionStartPosition, mGlobalCursorPosition))
        return true;
    final boolean shouldTranslateSpecialKeys = isInputViewShown();

    //greater than zero means it is a physical keyboard.
    //we also want to hide the view if it's a glyph (for example, not physical volume-up key)
    if (event.getDeviceId() > 0 && event.isPrintingKey())
        onPhysicalKeyboardKeyPressed();/*from w  w w  .jav a 2s . c o m*/

    mHardKeyboardAction.initializeAction(event, mMetaState);

    switch (keyEventKeyCode) {
    /****
     * SPECIAL translated HW keys If you add new keys here, do not forget
     * to add to the
     */
    case KeyEvent.KEYCODE_CAMERA:
        if (shouldTranslateSpecialKeys && mAskPrefs.useCameraKeyForBackspaceBackword()) {
            handleBackWord(getCurrentInputConnection());
            return true;
        }
        // DO NOT DELAY CAMERA KEY with unneeded checks in default mark
        return super.onKeyDown(keyEventKeyCode, event);
    case KeyEvent.KEYCODE_FOCUS:
        if (shouldTranslateSpecialKeys && mAskPrefs.useCameraKeyForBackspaceBackword()) {
            handleDeleteLastCharacter(false);
            return true;
        }
        // DO NOT DELAY FOCUS KEY with unneeded checks in default mark
        return super.onKeyDown(keyEventKeyCode, event);
    case KeyEvent.KEYCODE_VOLUME_UP:
        if (shouldTranslateSpecialKeys && mAskPrefs.useVolumeKeyForLeftRight()) {
            sendDownUpKeyEvents(KeyEvent.KEYCODE_DPAD_LEFT);
            return true;
        }
        // DO NOT DELAY VOLUME UP KEY with unneeded checks in default
        // mark
        return super.onKeyDown(keyEventKeyCode, event);
    case KeyEvent.KEYCODE_VOLUME_DOWN:
        if (shouldTranslateSpecialKeys && mAskPrefs.useVolumeKeyForLeftRight()) {
            sendDownUpKeyEvents(KeyEvent.KEYCODE_DPAD_RIGHT);
            return true;
        }
        // DO NOT DELAY VOLUME DOWN KEY with unneeded checks in default
        // mark
        return super.onKeyDown(keyEventKeyCode, event);
    /****
     * END of SPECIAL translated HW keys code section
     */
    case KeyEvent.KEYCODE_BACK:
        if (event.getRepeatCount() == 0 && getInputView() != null) {
            if (getInputView().handleBack()) {
                // consuming the meta keys
                if (ic != null) {
                    // translated, so we also take care of the metakeys
                    ic.clearMetaKeyStates(Integer.MAX_VALUE);
                }
                mMetaState = 0;
                return true;
            }
        }
        break;
    case 0x000000cc:// API 14: KeyEvent.KEYCODE_LANGUAGE_SWITCH
        switchToNextPhysicalKeyboard(ic);
        return true;
    case KeyEvent.KEYCODE_SHIFT_LEFT:
    case KeyEvent.KEYCODE_SHIFT_RIGHT:
        if (event.isAltPressed() && Workarounds.isAltSpaceLangSwitchNotPossible()) {
            switchToNextPhysicalKeyboard(ic);
            return true;
        }
        // NOTE: letting it fall-through to the other meta-keys
    case KeyEvent.KEYCODE_ALT_LEFT:
    case KeyEvent.KEYCODE_ALT_RIGHT:
    case KeyEvent.KEYCODE_SYM:
        Logger.d(TAG + "-meta-key", getMetaKeysStates("onKeyDown before handle"));
        mMetaState = MyMetaKeyKeyListener.handleKeyDown(mMetaState, keyEventKeyCode, event);
        Logger.d(TAG + "-meta-key", getMetaKeysStates("onKeyDown after handle"));
        break;
    case KeyEvent.KEYCODE_SPACE:
        if ((event.isAltPressed() && !Workarounds.isAltSpaceLangSwitchNotPossible())
                || event.isShiftPressed()) {
            switchToNextPhysicalKeyboard(ic);
            return true;
        }
        // NOTE:
        // letting it fall through to the "default"
    default:

        // Fix issue 185, check if we should process key repeat
        if (!mAskPrefs.getUseRepeatingKeys() && event.getRepeatCount() > 0)
            return true;

        AnyKeyboard.HardKeyboardTranslator keyTranslator = (AnyKeyboard.HardKeyboardTranslator) getCurrentAlphabetKeyboard();
        if (getKeyboardSwitcher().isCurrentKeyboardPhysical() && keyTranslator != null) {
            // sometimes, the physical keyboard will delete input, and then add some.
            // we'll try to make it nice.
            if (ic != null)
                ic.beginBatchEdit();
            try {
                // issue 393, backword on the hw keyboard!
                if (mAskPrefs.useBackword() && keyEventKeyCode == KeyEvent.KEYCODE_DEL
                        && event.isShiftPressed()) {
                    handleBackWord(ic);
                    return true;
                } else {
                    // http://article.gmane.org/gmane.comp.handhelds.openmoko.android-freerunner/629
                    keyTranslator.translatePhysicalCharacter(mHardKeyboardAction, this);

                    if (mHardKeyboardAction.getKeyCodeWasChanged()) {
                        final int translatedChar = mHardKeyboardAction.getKeyCode();
                        // typing my own.
                        onKey(translatedChar, null, -1, new int[] { translatedChar }, true/*faking from UI*/);
                        // my handling we are at a regular key press, so we'll update
                        // our meta-state member
                        mMetaState = MyMetaKeyKeyListener.adjustMetaAfterKeypress(mMetaState);
                        Logger.d(TAG + "-meta-key", getMetaKeysStates("onKeyDown after adjust - translated"));
                        return true;
                    }
                }
            } finally {
                if (ic != null)
                    ic.endBatchEdit();
            }
        }
        if (event.isPrintingKey()) {
            // we are at a regular key press, so we'll update our
            // meta-state
            // member
            mMetaState = MyMetaKeyKeyListener.adjustMetaAfterKeypress(mMetaState);
            Logger.d(TAG + "-meta-key", getMetaKeysStates("onKeyDown after adjust"));
        }
    }
    return super.onKeyDown(keyEventKeyCode, event);
}

From source file:com.anysoftkeyboard.AnySoftKeyboard.java

@Override
public boolean onKeyDown(final int keyEventKeyCode, @NonNull KeyEvent event) {
    InputConnection ic = getCurrentInputConnection();
    if (handleSelectionExpending(keyEventKeyCode, ic, mGlobalSelectionStartPosition, mGlobalCursorPosition))
        return true;
    final boolean shouldTranslateSpecialKeys = isInputViewShown();

    //greater than zero means it is a physical keyboard.
    //we also want to hide the view if it's a glyph (for example, not physical volume-up key)
    if (event.getDeviceId() > 0 && event.isPrintingKey())
        onPhysicalKeyboardKeyPressed();/*from   w  w w. ja  v a  2  s .  com*/

    mHardKeyboardAction.initializeAction(event, mMetaState);

    switch (keyEventKeyCode) {
    /****
     * SPECIAL translated HW keys If you add new keys here, do not forget
     * to add to the
     */
    case KeyEvent.KEYCODE_CAMERA:
        if (shouldTranslateSpecialKeys && mAskPrefs.useCameraKeyForBackspaceBackword()) {
            handleBackWord(getCurrentInputConnection());
            return true;
        }
        // DO NOT DELAY CAMERA KEY with unneeded checks in default mark
        return super.onKeyDown(keyEventKeyCode, event);
    case KeyEvent.KEYCODE_FOCUS:
        if (shouldTranslateSpecialKeys && mAskPrefs.useCameraKeyForBackspaceBackword()) {
            handleDeleteLastCharacter(false);
            return true;
        }
        // DO NOT DELAY FOCUS KEY with unneeded checks in default mark
        return super.onKeyDown(keyEventKeyCode, event);
    case KeyEvent.KEYCODE_VOLUME_UP:
        if (shouldTranslateSpecialKeys && mAskPrefs.useVolumeKeyForLeftRight()) {
            sendDownUpKeyEvents(KeyEvent.KEYCODE_DPAD_LEFT);
            return true;
        }
        // DO NOT DELAY VOLUME UP KEY with unneeded checks in default
        // mark
        return super.onKeyDown(keyEventKeyCode, event);
    case KeyEvent.KEYCODE_VOLUME_DOWN:
        if (shouldTranslateSpecialKeys && mAskPrefs.useVolumeKeyForLeftRight()) {
            sendDownUpKeyEvents(KeyEvent.KEYCODE_DPAD_RIGHT);
            return true;
        }
        // DO NOT DELAY VOLUME DOWN KEY with unneeded checks in default
        // mark
        return super.onKeyDown(keyEventKeyCode, event);
    /****
     * END of SPECIAL translated HW keys code section
     */
    case KeyEvent.KEYCODE_BACK:
        if (event.getRepeatCount() == 0 && getInputView() != null) {
            if (getInputView().handleBack()) {
                // consuming the meta keys
                if (ic != null) {
                    // translated, so we also take care of the metakeys
                    ic.clearMetaKeyStates(Integer.MAX_VALUE);
                }
                mMetaState = 0;
                return true;
            }
        }
        break;
    case 0x000000cc:// API 14: KeyEvent.KEYCODE_LANGUAGE_SWITCH
        switchToNextPhysicalKeyboard(ic);
        return true;
    case KeyEvent.KEYCODE_SHIFT_LEFT:
    case KeyEvent.KEYCODE_SHIFT_RIGHT:
        if (event.isAltPressed() && Workarounds.isAltSpaceLangSwitchNotPossible()) {
            switchToNextPhysicalKeyboard(ic);
            return true;
        }
        // NOTE: letting it fall-through to the other meta-keys
    case KeyEvent.KEYCODE_ALT_LEFT:
    case KeyEvent.KEYCODE_ALT_RIGHT:
    case KeyEvent.KEYCODE_SYM:
        Logger.d(TAG + "-meta-key", getMetaKeysStates("onKeyDown before handle"));
        mMetaState = MyMetaKeyKeyListener.handleKeyDown(mMetaState, keyEventKeyCode, event);
        Logger.d(TAG + "-meta-key", getMetaKeysStates("onKeyDown after handle"));
        break;
    case KeyEvent.KEYCODE_SPACE:
        if ((event.isAltPressed() && !Workarounds.isAltSpaceLangSwitchNotPossible())
                || event.isShiftPressed()) {
            switchToNextPhysicalKeyboard(ic);
            return true;
        }
        // NOTE:
        // letting it fall through to the "default"
    default:

        // Fix issue 185, check if we should process key repeat
        if (!mAskPrefs.getUseRepeatingKeys() && event.getRepeatCount() > 0)
            return true;

        HardKeyboardTranslator keyTranslator = (HardKeyboardTranslator) getCurrentAlphabetKeyboard();
        if (getKeyboardSwitcher().isCurrentKeyboardPhysical() && keyTranslator != null) {
            // sometimes, the physical keyboard will delete input, and then add some.
            // we'll try to make it nice.
            if (ic != null)
                ic.beginBatchEdit();
            try {
                // issue 393, backword on the hw keyboard!
                if (mAskPrefs.useBackword() && keyEventKeyCode == KeyEvent.KEYCODE_DEL
                        && event.isShiftPressed()) {
                    handleBackWord(ic);
                    return true;
                } else {
                    // http://article.gmane.org/gmane.comp.handhelds.openmoko.android-freerunner/629
                    keyTranslator.translatePhysicalCharacter(mHardKeyboardAction, this);

                    if (mHardKeyboardAction.getKeyCodeWasChanged()) {
                        final int translatedChar = mHardKeyboardAction.getKeyCode();
                        // typing my own.
                        onKey(translatedChar, null, -1, new int[] { translatedChar }, true/*faking from UI*/);
                        // my handling we are at a regular key press, so we'll update
                        // our meta-state member
                        mMetaState = MyMetaKeyKeyListener.adjustMetaAfterKeypress(mMetaState);
                        Logger.d(TAG + "-meta-key", getMetaKeysStates("onKeyDown after adjust - translated"));
                        return true;
                    }
                }
            } finally {
                if (ic != null)
                    ic.endBatchEdit();
            }
        }
        if (event.isPrintingKey()) {
            // we are at a regular key press, so we'll update our
            // meta-state
            // member
            mMetaState = MyMetaKeyKeyListener.adjustMetaAfterKeypress(mMetaState);
            Logger.d(TAG + "-meta-key", getMetaKeysStates("onKeyDown after adjust"));
        }
    }
    return super.onKeyDown(keyEventKeyCode, event);
}

From source file:com.anysoftkeyboard.AnySoftKeyboard.java

@Override
public boolean onKeyUp(int keyCode, @NonNull KeyEvent event) {
    Logger.d(TAG, "onKeyUp keycode=%d", keyCode);
    switch (keyCode) {
    // Issue 248/*w  w w.  j a  v  a  2  s.c o  m*/
    case KeyEvent.KEYCODE_VOLUME_DOWN:
    case KeyEvent.KEYCODE_VOLUME_UP:
        if (!isInputViewShown()) {
            return super.onKeyUp(keyCode, event);
        }
        if (mAskPrefs.useVolumeKeyForLeftRight()) {
            // no need of vol up/down sound
            return true;
        }
    case KeyEvent.KEYCODE_DPAD_DOWN:
    case KeyEvent.KEYCODE_DPAD_UP:
    case KeyEvent.KEYCODE_DPAD_LEFT:
    case KeyEvent.KEYCODE_DPAD_RIGHT:
        if (getInputView() != null && getInputView().isShown() && getInputView().isShifted()) {
            event = new KeyEvent(event.getDownTime(), event.getEventTime(), event.getAction(),
                    event.getKeyCode(), event.getRepeatCount(), event.getDeviceId(), event.getScanCode(),
                    KeyEvent.META_SHIFT_LEFT_ON | KeyEvent.META_SHIFT_ON);
            InputConnection ic = getCurrentInputConnection();
            if (ic != null)
                ic.sendKeyEvent(event);

            return true;
        }
        break;
    case KeyEvent.KEYCODE_ALT_LEFT:
    case KeyEvent.KEYCODE_ALT_RIGHT:
    case KeyEvent.KEYCODE_SHIFT_LEFT:
    case KeyEvent.KEYCODE_SHIFT_RIGHT:
    case KeyEvent.KEYCODE_SYM:
        mMetaState = MyMetaKeyKeyListener.handleKeyUp(mMetaState, keyCode, event);
        Logger.d(TAG + "-meta-key", getMetaKeysStates("onKeyUp"));
        setInputConnectionMetaStateAsCurrentMetaKeyKeyListenerState();
        break;
    }
    return super.onKeyUp(keyCode, event);
}

From source file:com.fishstix.dosboxfree.DBGLSurfaceView.java

private boolean handleKey(int keyCode, final KeyEvent event) {
    if (mDebug)// ww w  . j ava2 s .co  m
        Log.d("DosBoxTurbo", "handleKey keyCode=" + keyCode);
    int tKeyCode = 0;

    // check for xperia play back case
    if (keyCode == KeyEvent.KEYCODE_BACK && event.isAltPressed()) {
        int backval = customMap.get(DosBoxPreferences.XPERIA_BACK_BUTTON);
        if (backval > 0) {
            // Special Sony XPeria Play case
            if (mEnableDpad) {
                // FIRE2
                if ((mInputMode == INPUT_MODE_MOUSE) || (mInputMode == INPUT_MODE_REAL_MOUSE)) {
                    DosBoxControl.nativeMouse(0, 0, 0, 0, (event.getAction() == KeyEvent.ACTION_DOWN) ? 0 : 1,
                            BTN_B);
                } else if ((mInputMode == INPUT_MODE_JOYSTICK) || (mInputMode == INPUT_MODE_REAL_JOYSTICK)) {
                    DosBoxControl.nativeJoystick(0, 0, (event.getAction() == KeyEvent.ACTION_DOWN) ? 0 : 1,
                            BTN_B);
                }
            } else {
                // sony xperia play O (circle) button
                DosBoxControl.sendNativeKey(backval, (event.getAction() == KeyEvent.ACTION_DOWN), mModifierCtrl,
                        mModifierAlt, mModifierShift);
                return true; // consume event
            }
        }
        return true; // consume event
    }

    // Handle all other keyevents
    int value = customMap.get(keyCode);

    if (value > 0) {
        // found a valid mapping
        tKeyCode = getMappedKeyCode(value, event);
        if (tKeyCode > MAP_NONE) {
            DosBoxControl.sendNativeKey(tKeyCode, (event.getAction() == KeyEvent.ACTION_DOWN), mModifierCtrl,
                    mModifierAlt, mModifierShift);
            return true; // consume KeyEvent
        } else if (tKeyCode == MAP_EVENT_CONSUMED) {
            return true;
        }
    }

    if (keyCode == KeyEvent.KEYCODE_BACK) {
        // fishstix, allow remap of Android back button
        // catch no mapping
        if (event.getAction() == KeyEvent.ACTION_UP) {
            DBMenuSystem.doConfirmQuit(mParent);
        }
        return true;
    }

    switch (keyCode) {
    case KeyEvent.KEYCODE_UNKNOWN:
        break;

    default:
        boolean down = (event.getAction() == KeyEvent.ACTION_DOWN);
        if (mDebug)
            Log.d("DosBoxTurbo", "handleKey (default) keyCode=" + keyCode + " down=" + down);

        if (!down || (event.getRepeatCount() == 0)) {
            int unicode = event.getUnicodeChar();

            // filter system generated keys, but not hardware keypresses
            if ((event.isAltPressed() || event.isShiftPressed()) && (unicode == 0)
                    && ((event.getFlags() & KeyEvent.FLAG_FROM_SYSTEM) == 0))
                break;

            //fixed alt key problem for physical keyboard with only left alt
            if ((!mUseLeftAltOn) && (keyCode == KeyEvent.KEYCODE_ALT_LEFT)) {
                break;
            }

            if ((!mUseLeftAltOn) && (keyCode == KeyEvent.KEYCODE_SHIFT_RIGHT)) {
                break;
            }

            if ((keyCode > 255) || (unicode > 255)) {
                //unknown keys
                break;
            }

            keyCode = keyCode | (unicode << 8);

            long diff = event.getEventTime() - event.getDownTime();

            if (!down && (diff < 50)) {
                //simulate as long press
                if (mDebug)
                    Log.d("DosBoxTurbo", "LongPress consumed keyCode=" + keyCode + " down=" + down);
                mKeyHandler.removeMessages(keyCode);
                mKeyHandler.sendEmptyMessageDelayed(keyCode, BUTTON_REPEAT_DELAY - diff);
            } else if (down && mKeyHandler.hasMessages(keyCode)) {
                if (mDebug)
                    Log.d("DosBoxTurbo", "KeyUp consumed keyCode=" + keyCode + " down=" + down);
                //there is an key up in queue, should be repeated event
            } else {
                boolean result = DosBoxControl.sendNativeKey(keyCode, down, mModifierCtrl, mModifierAlt,
                        mModifierShift);
                if (!down) {
                    mModifierCtrl = false;
                    mModifierAlt = false;
                    mModifierShift = false;
                }
                return result;
            }
        }
    }

    return false;
}

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

private void sendAltKey(InputConnection ic, boolean isDown, boolean chording) {
    if (chording && delayChordingAltModifier())
        return;/*from  w  ww . j ava  2s  .  c o  m*/

    int key = sKeyboardSettings.chordingAltKey;
    if (key == 0)
        key = KeyEvent.KEYCODE_ALT_LEFT;
    int meta = KeyEvent.META_ALT_ON | KeyEvent.META_ALT_LEFT_ON;
    if (isDown) {
        sendKeyDown(ic, key, meta);
    } else {
        sendKeyUp(ic, key, meta);
    }
}