TerminalKeyboard.java 文件源码

/**
     * This translates incoming hard key events in to edit operations on an
     * InputConnection.  It is only needed when using the
     * PROCESS_HARD_KEYS option.
     */
    private boolean translateKeyDown(int keyCode, KeyEvent event) {
//        Log.v("SpartacusRex","SOFT : translateKeyDown "+keyCode);

        mMetaState = MetaKeyKeyListener.handleKeyDown(mMetaState,
                keyCode, event);
        int c = event.getUnicodeChar(MetaKeyKeyListener.getMetaState(mMetaState));
        mMetaState = MetaKeyKeyListener.adjustMetaAfterKeypress(mMetaState);
        InputConnection ic = getCurrentInputConnection();
        if (c == 0 || ic == null) {
            return false;
        }

        boolean dead = false;

        if ((c & KeyCharacterMap.COMBINING_ACCENT) != 0) {
            dead = true;
            c = c & KeyCharacterMap.COMBINING_ACCENT_MASK;
        }

        if (mComposing.length() > 0) {
            char accent = mComposing.charAt(mComposing.length() - 1);
            int composed = KeyEvent.getDeadChar(accent, c);

            if (composed != 0) {
                c = composed;
                mComposing.setLength(mComposing.length() - 1);
            }
        }

        onKey(c, null);

        return true;
    }