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Straighten the dead char implementation, take 3. 

Change-Id: I4f70f6eebe076c7d2b780d25e3a2c1d3faa2edfa
main
Jean Chalard 2014-08-28 14:41:39 +09:00
parent d9069ea076
commit f95770354c
5 changed files with 465 additions and 24 deletions
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265
java/src/com/android/inputmethod/event/DeadKeyCombiner.java
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@ -17,10 +17,12 @@
package com.android.inputmethod.event; package com.android.inputmethod.event;
import android.text.TextUtils; import android.text.TextUtils;
import android.util.SparseIntArray;
import android.view.KeyCharacterMap; import android.view.KeyCharacterMap;
import com.android.inputmethod.latin.Constants; import com.android.inputmethod.latin.Constants;
import java.text.Normalizer;
import java.util.ArrayList; import java.util.ArrayList;
import javax.annotation.Nonnull; import javax.annotation.Nonnull;
@ -29,9 +31,209 @@ import javax.annotation.Nonnull;
* A combiner that handles dead keys. * A combiner that handles dead keys.
*/ */
public class DeadKeyCombiner implements Combiner { public class DeadKeyCombiner implements Combiner {
private static class Data {
// This class data taken from KeyCharacterMap.java.
/* Characters used to display placeholders for dead keys. */
private static final int ACCENT_ACUTE = '\u00B4';
private static final int ACCENT_BREVE = '\u02D8';
private static final int ACCENT_CARON = '\u02C7';
private static final int ACCENT_CEDILLA = '\u00B8';
private static final int ACCENT_CIRCUMFLEX = '\u02C6';
private static final int ACCENT_COMMA_ABOVE = '\u1FBD';
private static final int ACCENT_COMMA_ABOVE_RIGHT = '\u02BC';
private static final int ACCENT_DOT_ABOVE = '\u02D9';
private static final int ACCENT_DOT_BELOW = Constants.CODE_PERIOD; // approximate
private static final int ACCENT_DOUBLE_ACUTE = '\u02DD';
private static final int ACCENT_GRAVE = '\u02CB';
private static final int ACCENT_HOOK_ABOVE = '\u02C0';
private static final int ACCENT_HORN = Constants.CODE_SINGLE_QUOTE; // approximate
private static final int ACCENT_MACRON = '\u00AF';
private static final int ACCENT_MACRON_BELOW = '\u02CD';
private static final int ACCENT_OGONEK = '\u02DB';
private static final int ACCENT_REVERSED_COMMA_ABOVE = '\u02BD';
private static final int ACCENT_RING_ABOVE = '\u02DA';
private static final int ACCENT_STROKE = Constants.CODE_DASH; // approximate
private static final int ACCENT_TILDE = '\u02DC';
private static final int ACCENT_TURNED_COMMA_ABOVE = '\u02BB';
private static final int ACCENT_UMLAUT = '\u00A8';
private static final int ACCENT_VERTICAL_LINE_ABOVE = '\u02C8';
private static final int ACCENT_VERTICAL_LINE_BELOW = '\u02CC';
/* Legacy dead key display characters used in previous versions of the API (before L)
* We still support these characters by mapping them to their non-legacy version. */
private static final int ACCENT_GRAVE_LEGACY = Constants.CODE_GRAVE_ACCENT;
private static final int ACCENT_CIRCUMFLEX_LEGACY = Constants.CODE_CIRCUMFLEX_ACCENT;
private static final int ACCENT_TILDE_LEGACY = Constants.CODE_TILDE;
/**
* Maps Unicode combining diacritical to display-form dead key.
*/
private static final SparseIntArray sCombiningToAccent = new SparseIntArray();
private static final SparseIntArray sAccentToCombining = new SparseIntArray();
static {
// U+0300: COMBINING GRAVE ACCENT
addCombining('\u0300', ACCENT_GRAVE);
// U+0301: COMBINING ACUTE ACCENT
addCombining('\u0301', ACCENT_ACUTE);
// U+0302: COMBINING CIRCUMFLEX ACCENT
addCombining('\u0302', ACCENT_CIRCUMFLEX);
// U+0303: COMBINING TILDE
addCombining('\u0303', ACCENT_TILDE);
// U+0304: COMBINING MACRON
addCombining('\u0304', ACCENT_MACRON);
// U+0306: COMBINING BREVE
addCombining('\u0306', ACCENT_BREVE);
// U+0307: COMBINING DOT ABOVE
addCombining('\u0307', ACCENT_DOT_ABOVE);
// U+0308: COMBINING DIAERESIS
addCombining('\u0308', ACCENT_UMLAUT);
// U+0309: COMBINING HOOK ABOVE
addCombining('\u0309', ACCENT_HOOK_ABOVE);
// U+030A: COMBINING RING ABOVE
addCombining('\u030A', ACCENT_RING_ABOVE);
// U+030B: COMBINING DOUBLE ACUTE ACCENT
addCombining('\u030B', ACCENT_DOUBLE_ACUTE);
// U+030C: COMBINING CARON
addCombining('\u030C', ACCENT_CARON);
// U+030D: COMBINING VERTICAL LINE ABOVE
addCombining('\u030D', ACCENT_VERTICAL_LINE_ABOVE);
// U+030E: COMBINING DOUBLE VERTICAL LINE ABOVE
//addCombining('\u030E', ACCENT_DOUBLE_VERTICAL_LINE_ABOVE);
// U+030F: COMBINING DOUBLE GRAVE ACCENT
//addCombining('\u030F', ACCENT_DOUBLE_GRAVE);
// U+0310: COMBINING CANDRABINDU
//addCombining('\u0310', ACCENT_CANDRABINDU);
// U+0311: COMBINING INVERTED BREVE
//addCombining('\u0311', ACCENT_INVERTED_BREVE);
// U+0312: COMBINING TURNED COMMA ABOVE
addCombining('\u0312', ACCENT_TURNED_COMMA_ABOVE);
// U+0313: COMBINING COMMA ABOVE
addCombining('\u0313', ACCENT_COMMA_ABOVE);
// U+0314: COMBINING REVERSED COMMA ABOVE
addCombining('\u0314', ACCENT_REVERSED_COMMA_ABOVE);
// U+0315: COMBINING COMMA ABOVE RIGHT
addCombining('\u0315', ACCENT_COMMA_ABOVE_RIGHT);
// U+031B: COMBINING HORN
addCombining('\u031B', ACCENT_HORN);
// U+0323: COMBINING DOT BELOW
addCombining('\u0323', ACCENT_DOT_BELOW);
// U+0326: COMBINING COMMA BELOW
//addCombining('\u0326', ACCENT_COMMA_BELOW);
// U+0327: COMBINING CEDILLA
addCombining('\u0327', ACCENT_CEDILLA);
// U+0328: COMBINING OGONEK
addCombining('\u0328', ACCENT_OGONEK);
// U+0329: COMBINING VERTICAL LINE BELOW
addCombining('\u0329', ACCENT_VERTICAL_LINE_BELOW);
// U+0331: COMBINING MACRON BELOW
addCombining('\u0331', ACCENT_MACRON_BELOW);
// U+0335: COMBINING SHORT STROKE OVERLAY
addCombining('\u0335', ACCENT_STROKE);
// U+0342: COMBINING GREEK PERISPOMENI
//addCombining('\u0342', ACCENT_PERISPOMENI);
// U+0344: COMBINING GREEK DIALYTIKA TONOS
//addCombining('\u0344', ACCENT_DIALYTIKA_TONOS);
// U+0345: COMBINING GREEK YPOGEGRAMMENI
//addCombining('\u0345', ACCENT_YPOGEGRAMMENI);
// One-way mappings to equivalent preferred accents.
// U+0340: COMBINING GRAVE TONE MARK
sCombiningToAccent.append('\u0340', ACCENT_GRAVE);
// U+0341: COMBINING ACUTE TONE MARK
sCombiningToAccent.append('\u0341', ACCENT_ACUTE);
// U+0343: COMBINING GREEK KORONIS
sCombiningToAccent.append('\u0343', ACCENT_COMMA_ABOVE);
// One-way legacy mappings to preserve compatibility with older applications.
// U+0300: COMBINING GRAVE ACCENT
sAccentToCombining.append(ACCENT_GRAVE_LEGACY, '\u0300');
// U+0302: COMBINING CIRCUMFLEX ACCENT
sAccentToCombining.append(ACCENT_CIRCUMFLEX_LEGACY, '\u0302');
// U+0303: COMBINING TILDE
sAccentToCombining.append(ACCENT_TILDE_LEGACY, '\u0303');
}
private static void addCombining(int combining, int accent) {
sCombiningToAccent.append(combining, accent);
sAccentToCombining.append(accent, combining);
}
// Caution! This may only contain chars, not supplementary code points. It's unlikely
// it will ever need to, but if it does we'll have to change this
private static final SparseIntArray sNonstandardDeadCombinations = new SparseIntArray();
static {
// Non-standard decompositions.
// Stroke modifier for Finnish multilingual keyboard and others.
// U+0110: LATIN CAPITAL LETTER D WITH STROKE
addNonStandardDeadCombination(ACCENT_STROKE, 'D', '\u0110');
// U+01E4: LATIN CAPITAL LETTER G WITH STROKE
addNonStandardDeadCombination(ACCENT_STROKE, 'G', '\u01e4');
// U+0126: LATIN CAPITAL LETTER H WITH STROKE
addNonStandardDeadCombination(ACCENT_STROKE, 'H', '\u0126');
// U+0197: LATIN CAPITAL LETTER I WITH STROKE
addNonStandardDeadCombination(ACCENT_STROKE, 'I', '\u0197');
// U+0141: LATIN CAPITAL LETTER L WITH STROKE
addNonStandardDeadCombination(ACCENT_STROKE, 'L', '\u0141');
// U+00D8: LATIN CAPITAL LETTER O WITH STROKE
addNonStandardDeadCombination(ACCENT_STROKE, 'O', '\u00d8');
// U+0166: LATIN CAPITAL LETTER T WITH STROKE
addNonStandardDeadCombination(ACCENT_STROKE, 'T', '\u0166');
// U+0111: LATIN SMALL LETTER D WITH STROKE
addNonStandardDeadCombination(ACCENT_STROKE, 'd', '\u0111');
// U+01E5: LATIN SMALL LETTER G WITH STROKE
addNonStandardDeadCombination(ACCENT_STROKE, 'g', '\u01e5');
// U+0127: LATIN SMALL LETTER H WITH STROKE
addNonStandardDeadCombination(ACCENT_STROKE, 'h', '\u0127');
// U+0268: LATIN SMALL LETTER I WITH STROKE
addNonStandardDeadCombination(ACCENT_STROKE, 'i', '\u0268');
// U+0142: LATIN SMALL LETTER L WITH STROKE
addNonStandardDeadCombination(ACCENT_STROKE, 'l', '\u0142');
// U+00F8: LATIN SMALL LETTER O WITH STROKE
addNonStandardDeadCombination(ACCENT_STROKE, 'o', '\u00f8');
// U+0167: LATIN SMALL LETTER T WITH STROKE
addNonStandardDeadCombination(ACCENT_STROKE, 't', '\u0167');
}
private static void addNonStandardDeadCombination(final int deadCodePoint,
final int spacingCodePoint, final int result) {
final int combination = (deadCodePoint << 16) | spacingCodePoint;
sNonstandardDeadCombinations.put(combination, result);
}
public static final int NOT_A_CHAR = 0;
public static final int BITS_TO_SHIFT_DEAD_CODE_POINT_FOR_NON_STANDARD_COMBINATION = 16;
// Get a non-standard combination
public static char getNonstandardCombination(final int deadCodePoint,
final int spacingCodePoint) {
final int combination = spacingCodePoint |
(deadCodePoint << BITS_TO_SHIFT_DEAD_CODE_POINT_FOR_NON_STANDARD_COMBINATION);
return (char)sNonstandardDeadCombinations.get(combination, NOT_A_CHAR);
}
}
// TODO: make this a list of events instead // TODO: make this a list of events instead
final StringBuilder mDeadSequence = new StringBuilder(); final StringBuilder mDeadSequence = new StringBuilder();
@Nonnull
private Event createEventChainFromSequence(final @Nonnull CharSequence text,
final Event originalEvent) {
if (text.length() <= 0) {
return originalEvent;
} else {
Event lastEvent = null;
int codePoint = 0;
for (int i = text.length(); i > 0; i -= Character.charCount(codePoint)) {
codePoint = Character.codePointBefore(text, i);
final Event thisEvent = Event.createHardwareKeypressEvent(codePoint,
originalEvent.mKeyCode, lastEvent, false /* isKeyRepeat */);
lastEvent = thisEvent;
}
return lastEvent;
}
}
@Override @Override
@Nonnull @Nonnull
public Event processEvent(final ArrayList<Event> previousEvents, final Event event) { public Event processEvent(final ArrayList<Event> previousEvents, final Event event) {
@ -47,29 +249,48 @@ public class DeadKeyCombiner implements Combiner {
// simply returns the event as is. The majority of events will go through this path. // simply returns the event as is. The majority of events will go through this path.
return event; return event;
} else { } else {
// TODO: Allow combining for several dead chars rather than only the first one. if (Character.isWhitespace(event.mCodePoint)
// The framework doesn't know how to do this now. || event.mCodePoint == mDeadSequence.codePointBefore(mDeadSequence.length())) {
final int deadCodePoint = mDeadSequence.codePointAt(0); // When whitespace or twice the same dead key, we should output the dead sequence
mDeadSequence.setLength(0); // as is.
final int resultingCodePoint = final Event resultEvent = createEventChainFromSequence(mDeadSequence.toString(),
KeyCharacterMap.getDeadChar(deadCodePoint, event.mCodePoint); event);
if (0 == resultingCodePoint) { mDeadSequence.setLength(0);
// We can't combine both characters. We need to commit the dead key as a separate return resultEvent;
// character, and the next char too unless it's a space (because as a special case, } else if (event.isFunctionalKeyEvent()) {
// dead key + space should result in only the dead key being committed - that's if (Constants.CODE_DELETE == event.mKeyCode) {
// how dead keys work). // Remove the last code point
// If the event is a space, we should commit the dead char alone, but if it's final int trimIndex = mDeadSequence.length() - Character.charCount(
// not, we need to commit both. mDeadSequence.codePointBefore(mDeadSequence.length()));
// TODO: this is not necessarily triggered by hardware key events, so it's not mDeadSequence.setLength(trimIndex);
// a good idea to masquerade as one. This should be typed as a software return Event.createConsumedEvent(event);
// composite event or something. } else {
return Event.createHardwareKeypressEvent(deadCodePoint, event.mKeyCode, return event;
Constants.CODE_SPACE == event.mCodePoint ? null : event /* next */, }
false /* isKeyRepeat */); } else if (event.isDead()) {
mDeadSequence.appendCodePoint(event.mCodePoint);
return Event.createConsumedEvent(event);
} else { } else {
// We could combine the characters. // Combine normally.
return Event.createHardwareKeypressEvent(resultingCodePoint, event.mKeyCode, final StringBuilder sb = new StringBuilder();
null /* next */, false /* isKeyRepeat */); sb.appendCodePoint(event.mCodePoint);
int codePointIndex = 0;
while (codePointIndex < mDeadSequence.length()) {
final int deadCodePoint = mDeadSequence.codePointAt(codePointIndex);
final char replacementSpacingChar =
Data.getNonstandardCombination(deadCodePoint, event.mCodePoint);
if (Data.NOT_A_CHAR != replacementSpacingChar) {
sb.setCharAt(0, replacementSpacingChar);
} else {
final int combining = Data.sAccentToCombining.get(deadCodePoint);
sb.appendCodePoint(0 == combining ? deadCodePoint : combining);
}
codePointIndex += Character.isSupplementaryCodePoint(deadCodePoint) ? 2 : 1;
}
final String normalizedString = Normalizer.normalize(sb, Normalizer.Form.NFC);
final Event resultEvent = createEventChainFromSequence(normalizedString, event);
mDeadSequence.setLength(0);
return resultEvent;
} }
} }
} }

2
java/src/com/android/inputmethod/event/Event.java
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@ -16,6 +16,7 @@
package com.android.inputmethod.event; package com.android.inputmethod.event;
import com.android.inputmethod.annotations.ExternallyReferenced;
import com.android.inputmethod.latin.Constants; import com.android.inputmethod.latin.Constants;
import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo; import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
import com.android.inputmethod.latin.utils.StringUtils; import com.android.inputmethod.latin.utils.StringUtils;
@ -147,6 +148,7 @@ public class Event {
} }
// This creates an input event for a dead character. @see {@link #FLAG_DEAD} // This creates an input event for a dead character. @see {@link #FLAG_DEAD}
@ExternallyReferenced
public static Event createDeadEvent(final int codePoint, final int keyCode, final Event next) { public static Event createDeadEvent(final int codePoint, final int keyCode, final Event next) {
// TODO: add an argument or something if we ever create a software layout with dead keys. // TODO: add an argument or something if we ever create a software layout with dead keys.
return new Event(EVENT_TYPE_INPUT_KEYPRESS, null /* text */, codePoint, keyCode, return new Event(EVENT_TYPE_INPUT_KEYPRESS, null /* text */, codePoint, keyCode,

3
java/src/com/android/inputmethod/latin/Constants.java
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@ -217,6 +217,9 @@ public final class Constants {
public static final int CODE_CLOSING_ANGLE_BRACKET = '>'; public static final int CODE_CLOSING_ANGLE_BRACKET = '>';
public static final int CODE_INVERTED_QUESTION_MARK = 0xBF; // ¿ public static final int CODE_INVERTED_QUESTION_MARK = 0xBF; // ¿
public static final int CODE_INVERTED_EXCLAMATION_MARK = 0xA1; // ¡ public static final int CODE_INVERTED_EXCLAMATION_MARK = 0xA1; // ¡
public static final int CODE_GRAVE_ACCENT = '`';
public static final int CODE_CIRCUMFLEX_ACCENT = '^';
public static final int CODE_TILDE = '~';
public static final String REGEXP_PERIOD = "\\."; public static final String REGEXP_PERIOD = "\\.";
public static final String STRING_SPACE = " "; public static final String STRING_SPACE = " ";

4
java/src/com/android/inputmethod/latin/utils/StringUtils.java
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@ -41,9 +41,9 @@ public final class StringUtils {
// This utility class is not publicly instantiable. // This utility class is not publicly instantiable.
} }
public static int codePointCount(final String text) { public static int codePointCount(final CharSequence text) {
if (TextUtils.isEmpty(text)) return 0; if (TextUtils.isEmpty(text)) return 0;
return text.codePointCount(0, text.length()); return Character.codePointCount(text, 0, text.length());
} }
public static String newSingleCodePointString(int codePoint) { public static String newSingleCodePointString(int codePoint) {

215
tests/src/com/android/inputmethod/latin/InputLogicTestsDeadKeys.java Normal file
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@ -0,0 +1,215 @@
/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.inputmethod.latin;
import android.test.suitebuilder.annotation.LargeTest;
import com.android.inputmethod.event.Event;
import java.util.ArrayList;
@LargeTest
public class InputLogicTestsDeadKeys extends InputTestsBase {
// A helper class for readability
private static class EventList extends ArrayList<Event> {
public EventList addCodePoint(final int codePoint, final boolean isDead) {
final Event event;
if (isDead) {
event = Event.createDeadEvent(codePoint, Event.NOT_A_KEY_CODE, null /* next */);
} else {
event = Event.createSoftwareKeypressEvent(codePoint, Event.NOT_A_KEY_CODE,
Constants.NOT_A_COORDINATE, Constants.NOT_A_COORDINATE,
false /* isKeyRepeat */);
}
add(event);
return this;
}
public EventList addKey(final int keyCode) {
add(Event.createSoftwareKeypressEvent(Event.NOT_A_CODE_POINT, keyCode,
Constants.NOT_A_COORDINATE, Constants.NOT_A_COORDINATE,
false /* isKeyRepeat */));
return this;
}
}
public void testDeadCircumflexSimple() {
final int MODIFIER_LETTER_CIRCUMFLEX_ACCENT = 0x02C6;
final String EXPECTED_RESULT = "aê";
final EventList events = new EventList()
.addCodePoint('a', false)
.addCodePoint(MODIFIER_LETTER_CIRCUMFLEX_ACCENT, true)
.addCodePoint('e', false);
for (final Event event : events) {
mLatinIME.onEvent(event);
}
assertEquals("simple dead circumflex", EXPECTED_RESULT, mEditText.getText().toString());
}
public void testDeadCircumflexBackspace() {
final int MODIFIER_LETTER_CIRCUMFLEX_ACCENT = 0x02C6;
final String EXPECTED_RESULT = "ae";
final EventList events = new EventList()
.addCodePoint('a', false)
.addCodePoint(MODIFIER_LETTER_CIRCUMFLEX_ACCENT, true)
.addKey(Constants.CODE_DELETE)
.addCodePoint('e', false);
for (final Event event : events) {
mLatinIME.onEvent(event);
}
assertEquals("dead circumflex backspace", EXPECTED_RESULT, mEditText.getText().toString());
}
public void testDeadCircumflexFeedback() {
final int MODIFIER_LETTER_CIRCUMFLEX_ACCENT = 0x02C6;
final String EXPECTED_RESULT = "a\u02C6";
final EventList events = new EventList()
.addCodePoint('a', false)
.addCodePoint(MODIFIER_LETTER_CIRCUMFLEX_ACCENT, true);
for (final Event event : events) {
mLatinIME.onEvent(event);
}
assertEquals("dead circumflex gives feedback", EXPECTED_RESULT,
mEditText.getText().toString());
}
public void testDeadDiaeresisSpace() {
final int MODIFIER_LETTER_DIAERESIS = 0xA8;
final String EXPECTED_RESULT = "a\u00A8e\u00A8i";
final EventList events = new EventList()
.addCodePoint('a', false)
.addCodePoint(MODIFIER_LETTER_DIAERESIS, true)
.addCodePoint(Constants.CODE_SPACE, false)
.addCodePoint('e', false)
.addCodePoint(MODIFIER_LETTER_DIAERESIS, true)
.addCodePoint(Constants.CODE_ENTER, false)
.addCodePoint('i', false);
for (final Event event : events) {
mLatinIME.onEvent(event);
}
assertEquals("dead diaeresis space commits the dead char", EXPECTED_RESULT,
mEditText.getText().toString());
}
public void testDeadAcuteLetterBackspace() {
final int MODIFIER_LETTER_ACUTE = 0xB4;
final String EXPECTED_RESULT1 = "aá";
final String EXPECTED_RESULT2 = "a";
final EventList events = new EventList()
.addCodePoint('a', false)
.addCodePoint(MODIFIER_LETTER_ACUTE, true)
.addCodePoint('a', false);
for (final Event event : events) {
mLatinIME.onEvent(event);
}
assertEquals("dead acute on a typed", EXPECTED_RESULT1, mEditText.getText().toString());
mLatinIME.onEvent(Event.createSoftwareKeypressEvent(Event.NOT_A_CODE_POINT,
Constants.CODE_DELETE, Constants.NOT_A_COORDINATE, Constants.NOT_A_COORDINATE,
false /* isKeyRepeat */));
assertEquals("a with acute deleted", EXPECTED_RESULT2, mEditText.getText().toString());
}
public void testFinnishStroke() {
final int MODIFIER_LETTER_STROKE = '-';
final String EXPECTED_RESULT = "x\u0110\u0127";
final EventList events = new EventList()
.addCodePoint('x', false)
.addCodePoint(MODIFIER_LETTER_STROKE, true)
.addCodePoint('D', false)
.addCodePoint(MODIFIER_LETTER_STROKE, true)
.addCodePoint('h', false);
for (final Event event : events) {
mLatinIME.onEvent(event);
}
assertEquals("Finnish dead stroke", EXPECTED_RESULT,
mEditText.getText().toString());
}
public void testDoubleDeadOgonek() {
final int MODIFIER_LETTER_OGONEK = 0x02DB;
final String EXPECTED_RESULT = "txǫs\u02DBfk";
final EventList events = new EventList()
.addCodePoint('t', false)
.addCodePoint('x', false)
.addCodePoint(MODIFIER_LETTER_OGONEK, true)
.addCodePoint('o', false)
.addCodePoint('s', false)
.addCodePoint(MODIFIER_LETTER_OGONEK, true)
.addCodePoint(MODIFIER_LETTER_OGONEK, true)
.addCodePoint('f', false)
.addCodePoint(MODIFIER_LETTER_OGONEK, true)
.addCodePoint(MODIFIER_LETTER_OGONEK, true)
.addKey(Constants.CODE_DELETE)
.addCodePoint('k', false);
for (final Event event : events) {
mLatinIME.onEvent(event);
}
assertEquals("double dead ogonek, and backspace", EXPECTED_RESULT,
mEditText.getText().toString());
}
public void testDeadCircumflexDeadDiaeresis() {
final int MODIFIER_LETTER_CIRCUMFLEX_ACCENT = 0x02C6;
final int MODIFIER_LETTER_DIAERESIS = 0xA8;
final String EXPECTED_RESULT = "r̂̈";
final EventList events = new EventList()
.addCodePoint(MODIFIER_LETTER_CIRCUMFLEX_ACCENT, true)
.addCodePoint(MODIFIER_LETTER_DIAERESIS, true)
.addCodePoint('r', false);
for (final Event event : events) {
mLatinIME.onEvent(event);
}
assertEquals("both circumflex and diaeresis on r", EXPECTED_RESULT,
mEditText.getText().toString());
}
public void testDeadCircumflexDeadDiaeresisBackspace() {
final int MODIFIER_LETTER_CIRCUMFLEX_ACCENT = 0x02C6;
final int MODIFIER_LETTER_DIAERESIS = 0xA8;
final String EXPECTED_RESULT = "û";
final EventList events = new EventList()
.addCodePoint(MODIFIER_LETTER_CIRCUMFLEX_ACCENT, true)
.addCodePoint(MODIFIER_LETTER_DIAERESIS, true)
.addKey(Constants.CODE_DELETE)
.addCodePoint('u', false);
for (final Event event : events) {
mLatinIME.onEvent(event);
}
assertEquals("dead circumflex, dead diaeresis, backspace, u", EXPECTED_RESULT,
mEditText.getText().toString());
}
public void testDeadCircumflexDoubleDeadDiaeresisBackspace() {
final int MODIFIER_LETTER_CIRCUMFLEX_ACCENT = 0x02C6;
final int MODIFIER_LETTER_DIAERESIS = 0xA8;
final String EXPECTED_RESULT = "\u02C6u";
final EventList events = new EventList()
.addCodePoint(MODIFIER_LETTER_CIRCUMFLEX_ACCENT, true)
.addCodePoint(MODIFIER_LETTER_DIAERESIS, true)
.addCodePoint(MODIFIER_LETTER_DIAERESIS, true)
.addKey(Constants.CODE_DELETE)
.addCodePoint('u', false);
for (final Event event : events) {
mLatinIME.onEvent(event);
}
assertEquals("dead circumflex, double dead diaeresis, backspace, u", EXPECTED_RESULT,
mEditText.getText().toString());
}
}