Implement backspace in the current cluster for Myanmar (d23d1970) · Commits · e / os / android_packages_inputmethods_LatinIME

java/src/com/android/inputmethod/event/MyanmarReordering.java

+27 −3

Original line number	Diff line number	Diff line
		@@ -207,9 +207,33 @@ public class MyanmarReordering implements Combiner {
		return clearAndGetResultingEvent(newEvent);
		}
		} else if (Constants.CODE_DELETE == newEvent.mKeyCode) {
		if (mCurrentEvents.size() > 0) {
		mCurrentEvents.remove(mCurrentEvents.size() - 1);
		final Event lastEvent = getLastEvent();
		final int eventSize = mCurrentEvents.size();
		if (null != lastEvent) {
		if (VOWEL_E == lastEvent.mCodePoint) {
		// We have a VOWEL_E at the end. There are four cases.
		// - The vowel is the only code point in the buffer. Remove it.
		// - The vowel is preceded by a ZWNJ. Remove both vowel E and ZWNJ.
		// - The vowel is preceded by a consonant/medial, remove the consonant/medial.
		// - In all other cases, it's strange, so just remove the last code point.
		if (eventSize <= 1) {
		mCurrentEvents.clear();
		} else { // eventSize >= 2
		final int previousCodePoint = mCurrentEvents.get(eventSize - 2).mCodePoint;
		if (previousCodePoint == ZERO_WIDTH_NON_JOINER) {
		mCurrentEvents.remove(eventSize - 1);
		mCurrentEvents.remove(eventSize - 2);
		} else if (isConsonantOrMedial(previousCodePoint)) {
		mCurrentEvents.remove(eventSize - 2);
		} else {
		mCurrentEvents.remove(eventSize - 1);
		}
		}
		return null;
		} else if (eventSize > 0) {
		mCurrentEvents.remove(eventSize - 1);
		return null;
		}
		}
		}
		// This character is not part of the combining scheme, so we should reset everything.