FileDocCategorySizeDatePackage
EnglishInputProcessor.javaAPI DocAndroid 1.5 API3207Wed May 06 22:42:48 BST 2009com.android.inputmethod.pinyin

EnglishInputProcessor

public class EnglishInputProcessor extends Object
Class to handle English input.

Fields Summary
private int
mLastKeyCode
Constructors Summary
Methods Summary
public booleanprocessKey(android.view.inputmethod.InputConnection inputContext, android.view.KeyEvent event, boolean upperCase, boolean realAction)


         
                
        if (null == inputContext || null == event) return false;

        int keyCode = event.getKeyCode();

        CharSequence prefix = null;
        prefix = inputContext.getTextBeforeCursor(2, 0);

        int keyChar;
        keyChar = 0;
        if (keyCode >= KeyEvent.KEYCODE_A && keyCode <= KeyEvent.KEYCODE_Z) {
            keyChar = keyCode - KeyEvent.KEYCODE_A + 'a";
            if (upperCase) {
                keyChar = keyChar + 'A" - 'a";
            }
        } else if (keyCode >= KeyEvent.KEYCODE_0
                && keyCode <= KeyEvent.KEYCODE_9)
            keyChar = keyCode - KeyEvent.KEYCODE_0 + '0";
        else if (keyCode == KeyEvent.KEYCODE_COMMA)
            keyChar = ',";
        else if (keyCode == KeyEvent.KEYCODE_PERIOD)
            keyChar = '.";
        else if (keyCode == KeyEvent.KEYCODE_APOSTROPHE)
            keyChar = '\'";
        else if (keyCode == KeyEvent.KEYCODE_AT)
            keyChar = '@";
        else if (keyCode == KeyEvent.KEYCODE_SLASH) keyChar = '/";

        if (0 == keyChar) {
            mLastKeyCode = keyCode;

            String insert = null;
            if (KeyEvent.KEYCODE_DEL == keyCode) {
                if (realAction)  {
                    inputContext.deleteSurroundingText(1, 0);
                }
            } else if (KeyEvent.KEYCODE_ENTER == keyCode) {
                insert = "\n";
            } else if (KeyEvent.KEYCODE_SPACE == keyCode) {
                insert = " ";
            } else {
                return false;
            }

            if (null != insert && realAction)
                inputContext.commitText(insert, insert.length());

            return true;
        }

        if (!realAction)
            return true;

        if (KeyEvent.KEYCODE_SHIFT_LEFT == mLastKeyCode
                || KeyEvent.KEYCODE_SHIFT_LEFT == mLastKeyCode) {
            if (keyChar >= 'a" && keyChar <= 'z")
                keyChar = keyChar - 'a" + 'A";
        } else if (KeyEvent.KEYCODE_ALT_LEFT == mLastKeyCode) {
        }

        String result = String.valueOf((char) keyChar);
        inputContext.commitText(result, result.length());
        mLastKeyCode = keyCode;
        return true;