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Fix the auto-composer to support supplementary chars 

Change-Id: I61ff218ae2ca4eb443a370e581b677755258670a
main
Jean Chalard 2012-02-03 16:05:48 +09:00
parent 8174373a0e
commit 9159b9953d
2 changed files with 41 additions and 15 deletions
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35
java/src/com/android/inputmethod/latin/WordComposer.java
View File

@ -90,11 +90,11 @@ public class WordComposer {
* @return the number of keystrokes
*/
public final int size() {
return mTypedWord.length();
return mCodes.size();
}
public final boolean isComposingWord() {
return size() > 0;
return mCodes.size() > 0;
}
/**
@ -125,8 +125,8 @@ public class WordComposer {
* @param codes the array of unicode values
*/
public void add(int primaryCode, int[] codes, int x, int y) {
final int newIndex = size();
mTypedWord.append((char) primaryCode);
final int newIndex = mCodes.size();
mTypedWord.appendCodePoint(primaryCode);
correctPrimaryJuxtapos(primaryCode, codes);
mCodes.add(codes);
if (newIndex < BinaryDictionary.MAX_WORD_LENGTH) {
@ -171,8 +171,8 @@ public class WordComposer {
final KeyDetector keyDetector) {
reset();
final int length = word.length();
for (int i = 0; i < length; ++i) {
int codePoint = word.charAt(i);
for (int i = 0; i < length; i = Character.offsetByCodePoints(word, i, 1)) {
int codePoint = Character.codePointAt(word, i);
addKeyInfo(codePoint, keyboard, keyDetector);
}
}
@ -207,16 +207,25 @@ public class WordComposer {
* Delete the last keystroke as a result of hitting backspace.
*/
public void deleteLast() {
final int size = size();
final int size = mCodes.size();
if (size > 0) {
final int lastPos = size - 1;
char lastChar = mTypedWord.charAt(lastPos);
mCodes.remove(lastPos);
// TODO: This crashes and catches fire if the code point doesn't fit a char
mTypedWord.deleteCharAt(lastPos);
mCodes.remove(size - 1);
// Note: mTypedWord.length() and mCodes.length differ when there are surrogate pairs
final int stringBuilderLength = mTypedWord.length();
if (stringBuilderLength < size) {
throw new RuntimeException(
"In WordComposer: mCodes and mTypedWords have non-matching lengths");
}
final int lastChar = mTypedWord.codePointBefore(stringBuilderLength);
if (Character.isSupplementaryCodePoint(lastChar)) {
mTypedWord.delete(stringBuilderLength - 2, stringBuilderLength);
} else {
mTypedWord.deleteCharAt(stringBuilderLength - 1);
}
if (Character.isUpperCase(lastChar)) mCapsCount--;
}
if (size() == 0) {
// We may have deleted the last one.
if (0 == mCodes.size()) {
mIsFirstCharCapitalized = false;
}
if (mTrailingSingleQuotesCount > 0) {

21
tests/src/com/android/inputmethod/latin/InputLogicTests.java
View File

@ -159,11 +159,26 @@ public class InputLogicTests extends ServiceTestCase<LatinIME> {
}
public void testPickSuggestionThenBackspace() {
final String WORD_TO_TYPE = "tgis";
final String WORD_TO_TYPE = "this";
final String EXPECTED_RESULT = "this";
type(WORD_TO_TYPE);
mLatinIME.pickSuggestionManually(0, WORD_TO_TYPE);
mLatinIME.onUpdateSelection(0, 0, WORD_TO_TYPE.length(), WORD_TO_TYPE.length(), -1, -1);
type(Keyboard.CODE_DELETE);
assertEquals("press suggestion then backspace", WORD_TO_TYPE,
assertEquals("press suggestion then backspace", EXPECTED_RESULT,
mTextView.getText().toString());
}
public void testPickTypedWordOverAutoCorrectionThenBackspace() {
final String WORD_TO_TYPE = "tgis";
final String EXPECTED_RESULT = "tgis";
type(WORD_TO_TYPE);
// Choose the typed word, which should be in position 1 (because position 0 should
// be occupied by the "this" auto-correction, as checked by testAutoCorrect())
mLatinIME.pickSuggestionManually(1, WORD_TO_TYPE);
mLatinIME.onUpdateSelection(0, 0, WORD_TO_TYPE.length(), WORD_TO_TYPE.length(), -1, -1);
type(Keyboard.CODE_DELETE);
assertEquals("pick typed word over auto-correction then backspace", EXPECTED_RESULT,
mTextView.getText().toString());
}
@ -379,4 +394,6 @@ public class InputLogicTests extends ServiceTestCase<LatinIME> {
assertEquals("type word type dot then press the .com key",
EXPECTED_RESULT, mTextView.getText().toString());
}
// TODO: Add some tests for non-BMP characters
}