/** Send the composed text to the client. */
private void sendComposedText() {
AttributedString as = new AttributedString(buffer.toString());
as.addAttribute(
TextAttribute.INPUT_METHOD_HIGHLIGHT, InputMethodHighlight.SELECTED_RAW_TEXT_HIGHLIGHT);
context.dispatchInputMethodEvent(
InputMethodEvent.INPUT_METHOD_TEXT_CHANGED,
as.getIterator(),
0,
TextHitInfo.leading(insertionPoint),
null);
}
/** Send the committed text to the client. */
private void sendCommittedText() {
AttributedString as = new AttributedString(buffer.toString());
context.dispatchInputMethodEvent(
InputMethodEvent.INPUT_METHOD_TEXT_CHANGED,
as.getIterator(),
buffer.length(),
TextHitInfo.leading(insertionPoint),
null);
buffer.setLength(0);
insertionPoint = 0;
format = UNSET;
}
/** Move the insertion point one position to the right in the composed text. */
private void moveCaretRight() {
int len = buffer.length();
if (++insertionPoint > len) {
insertionPoint = len;
beep();
}
context.dispatchInputMethodEvent(
InputMethodEvent.CARET_POSITION_CHANGED,
null,
0,
TextHitInfo.leading(insertionPoint),
null);
}
/**
* Move the insertion point one position to the left in the composed text. Do not let the caret
* move to the left of the "\\u" or "\\U".
*/
private void moveCaretLeft() {
int len = buffer.length();
if (--insertionPoint < 2) {
insertionPoint++;
beep();
} else if (format == SURROGATE_PAIR && insertionPoint == 7) {
insertionPoint = 8;
beep();
}
context.dispatchInputMethodEvent(
InputMethodEvent.CARET_POSITION_CHANGED,
null,
0,
TextHitInfo.leading(insertionPoint),
null);
}
void handleKeyTyped(KeyEvent kevent) {
char keyChar = kevent.getKeyChar();
char currentChar = getMappedChar(keyChar);
if (!Character.UnicodeBlock.THAI.equals(Character.UnicodeBlock.of(currentChar))) {
// don't care
return;
} else if (rules.isInputValid(currentChar)) {
Character tmp = new Character(currentChar);
String tmp2 = tmp.toString();
context.dispatchInputMethodEvent(
InputMethodEvent.INPUT_METHOD_TEXT_CHANGED,
(new AttributedString(tmp2)).getIterator(),
1,
ZERO_TRAILING_HIT_INFO,
ZERO_TRAILING_HIT_INFO);
} else {
// input sequence is not allowed
Toolkit.getDefaultToolkit().beep();
}
kevent.consume(); // prevent client from getting this event.
return;
} // dispatchEvent()