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convert event to kotlin

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This commit is contained in:
dslul 2020-01-21 16:18:44 +01:00
parent a57dc0ee19
commit a059a0798b
18 changed files with 902 additions and 1067 deletions
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33
app/src/main/java/org/dslul/openboard/inputmethod/event/Combiner.java → app/src/main/java/org/dslul/openboard/inputmethod/event/Combiner.kt
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@ -1,30 +1,12 @@
/*
* Copyright (C) 2013 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 org.dslul.openboard.inputmethod.event
package org.dslul.openboard.inputmethod.event;
import java.util.ArrayList;
import javax.annotation.Nonnull;
import java.util.*
/**
* A generic interface for combiners. Combiners are objects that transform chains of input events
* into committable strings and manage feedback to show to the user on the combining state.
*/
public interface Combiner {
interface Combiner {
/**
* Process an event, possibly combining it with the existing state and return the new event.
*
@ -35,17 +17,16 @@ public interface Combiner {
* @param event the event to combine with the existing state.
* @return the resulting event.
*/
@Nonnull
Event processEvent(ArrayList<Event> previousEvents, Event event);
fun processEvent(previousEvents: ArrayList<Event>?, event: Event?): Event?
/**
* Get the feedback that should be shown to the user for the current state of this combiner.
* @return A CharSequence representing the feedback to show users. It may include styles.
*/
CharSequence getCombiningStateFeedback();
val combiningStateFeedback: CharSequence
/**
* Reset the state of this combiner, for example when the cursor was moved.
*/
void reset();
}
fun reset()
}

137
app/src/main/java/org/dslul/openboard/inputmethod/event/CombinerChain.java
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@ -1,137 +0,0 @@
/*
* 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 org.dslul.openboard.inputmethod.event;
import android.text.SpannableStringBuilder;
import android.text.TextUtils;
import org.dslul.openboard.inputmethod.latin.common.Constants;
import java.util.ArrayList;
import javax.annotation.Nonnull;
/**
* This class implements the logic chain between receiving events and generating code points.
*
* Event sources are multiple. It may be a hardware keyboard, a D-PAD, a software keyboard,
* or any exotic input source.
* This class will orchestrate the composing chain that starts with an event as its input. Each
* composer will be given turns one after the other.
* The output is composed of two sequences of code points: the first, representing the already
* finished combining part, will be shown normally as the composing string, while the second is
* feedback on the composing state and will typically be shown with different styling such as
* a colored background.
*/
public class CombinerChain {
// The already combined text, as described above
private StringBuilder mCombinedText;
// The feedback on the composing state, as described above
private SpannableStringBuilder mStateFeedback;
private final ArrayList<Combiner> mCombiners;
/**
* Create an combiner chain.
*
* The combiner chain takes events as inputs and outputs code points and combining state.
* For example, if the input language is Japanese, the combining chain will typically perform
* kana conversion. This takes a string for initial text, taken to be present before the
* cursor: we'll start after this.
*
* @param initialText The text that has already been combined so far.
*/
public CombinerChain(final String initialText) {
mCombiners = new ArrayList<>();
// The dead key combiner is always active, and always first
mCombiners.add(new DeadKeyCombiner());
mCombinedText = new StringBuilder(initialText);
mStateFeedback = new SpannableStringBuilder();
}
public void reset() {
mCombinedText.setLength(0);
mStateFeedback.clear();
for (final Combiner c : mCombiners) {
c.reset();
}
}
private void updateStateFeedback() {
mStateFeedback.clear();
for (int i = mCombiners.size() - 1; i >= 0; --i) {
mStateFeedback.append(mCombiners.get(i).getCombiningStateFeedback());
}
}
/**
* Process an event through the combining chain, and return a processed event to apply.
* @param previousEvents the list of previous events in this composition
* @param newEvent the new event to process
* @return the processed event. It may be the same event, or a consumed event, or a completely
* new event. However it may never be null.
*/
@Nonnull
public Event processEvent(final ArrayList<Event> previousEvents,
@Nonnull final Event newEvent) {
final ArrayList<Event> modifiablePreviousEvents = new ArrayList<>(previousEvents);
Event event = newEvent;
for (final Combiner combiner : mCombiners) {
// A combiner can never return more than one event; it can return several
// code points, but they should be encapsulated within one event.
event = combiner.processEvent(modifiablePreviousEvents, event);
if (event.isConsumed()) {
// If the event is consumed, then we don't pass it to subsequent combiners:
// they should not see it at all.
break;
}
}
updateStateFeedback();
return event;
}
/**
* Apply a processed event.
* @param event the event to be applied
*/
public void applyProcessedEvent(final Event event) {
if (null != event) {
// TODO: figure out the generic way of doing this
if (Constants.CODE_DELETE == event.mKeyCode) {
final int length = mCombinedText.length();
if (length > 0) {
final int lastCodePoint = mCombinedText.codePointBefore(length);
mCombinedText.delete(length - Character.charCount(lastCodePoint), length);
}
} else {
final CharSequence textToCommit = event.getTextToCommit();
if (!TextUtils.isEmpty(textToCommit)) {
mCombinedText.append(textToCommit);
}
}
}
updateStateFeedback();
}
/**
* Get the char sequence that should be displayed as the composing word. It may include
* styling spans.
*/
public CharSequence getComposingWordWithCombiningFeedback() {
final SpannableStringBuilder s = new SpannableStringBuilder(mCombinedText);
return s.append(mStateFeedback);
}
}

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app/src/main/java/org/dslul/openboard/inputmethod/event/CombinerChain.kt Normal file
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@ -0,0 +1,113 @@
package org.dslul.openboard.inputmethod.event
import android.text.SpannableStringBuilder
import android.text.TextUtils
import org.dslul.openboard.inputmethod.latin.common.Constants
import java.util.*
/**
* This class implements the logic chain between receiving events and generating code points.
*
* Event sources are multiple. It may be a hardware keyboard, a D-PAD, a software keyboard,
* or any exotic input source.
* This class will orchestrate the composing chain that starts with an event as its input. Each
* composer will be given turns one after the other.
* The output is composed of two sequences of code points: the first, representing the already
* finished combining part, will be shown normally as the composing string, while the second is
* feedback on the composing state and will typically be shown with different styling such as
* a colored background.
*/
class CombinerChain(initialText: String?) {
// The already combined text, as described above
private val mCombinedText: StringBuilder
// The feedback on the composing state, as described above
private val mStateFeedback: SpannableStringBuilder
private val mCombiners: ArrayList<Combiner>
fun reset() {
mCombinedText.setLength(0)
mStateFeedback.clear()
for (c in mCombiners) {
c.reset()
}
}
private fun updateStateFeedback() {
mStateFeedback.clear()
for (i in mCombiners.indices.reversed()) {
mStateFeedback.append(mCombiners[i].combiningStateFeedback)
}
}
/**
* Process an event through the combining chain, and return a processed event to apply.
* @param previousEvents the list of previous events in this composition
* @param newEvent the new event to process
* @return the processed event. It may be the same event, or a consumed event, or a completely
* new event. However it may never be null.
*/
fun processEvent(previousEvents: ArrayList<Event>?,
newEvent: Event?): Event? {
val modifiablePreviousEvents = ArrayList(previousEvents!!)
var event = newEvent
for (combiner in mCombiners) { // A combiner can never return more than one event; it can return several
// code points, but they should be encapsulated within one event.
event = combiner.processEvent(modifiablePreviousEvents, event)
if (event!!.isConsumed) { // If the event is consumed, then we don't pass it to subsequent combiners:
// they should not see it at all.
break
}
}
updateStateFeedback()
return event
}
/**
* Apply a processed event.
* @param event the event to be applied
*/
fun applyProcessedEvent(event: Event?) {
if (null != event) { // TODO: figure out the generic way of doing this
if (Constants.CODE_DELETE == event.mKeyCode) {
val length = mCombinedText.length
if (length > 0) {
val lastCodePoint = mCombinedText.codePointBefore(length)
mCombinedText.delete(length - Character.charCount(lastCodePoint), length)
}
} else {
val textToCommit = event.textToCommit
if (!TextUtils.isEmpty(textToCommit)) {
mCombinedText.append(textToCommit)
}
}
}
updateStateFeedback()
}
/**
* Get the char sequence that should be displayed as the composing word. It may include
* styling spans.
*/
val composingWordWithCombiningFeedback: CharSequence
get() {
val s = SpannableStringBuilder(mCombinedText)
return s.append(mStateFeedback)
}
/**
* Create an combiner chain.
*
* The combiner chain takes events as inputs and outputs code points and combining state.
* For example, if the input language is Japanese, the combining chain will typically perform
* kana conversion. This takes a string for initial text, taken to be present before the
* cursor: we'll start after this.
*
* @param initialText The text that has already been combined so far.
*/
init {
mCombiners = ArrayList()
// The dead key combiner is always active, and always first
mCombiners.add(DeadKeyCombiner())
mCombinedText = StringBuilder(initialText!!)
mStateFeedback = SpannableStringBuilder()
}
}

303
app/src/main/java/org/dslul/openboard/inputmethod/event/DeadKeyCombiner.java
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@ -1,303 +0,0 @@
/*
* Copyright (C) 2013 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 org.dslul.openboard.inputmethod.event;
import android.text.TextUtils;
import android.util.SparseIntArray;
import org.dslul.openboard.inputmethod.latin.common.Constants;
import java.text.Normalizer;
import java.util.ArrayList;
import javax.annotation.Nonnull;
/**
* A combiner that handles dead keys.
*/
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.
*/
static final SparseIntArray sCombiningToAccent = new SparseIntArray();
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
final StringBuilder mDeadSequence = new StringBuilder();
@Nonnull
private static Event createEventChainFromSequence(final @Nonnull CharSequence text,
@Nonnull final Event originalEvent) {
int index = text.length();
if (index <= 0) {
return originalEvent;
}
Event lastEvent = null;
do {
final int codePoint = Character.codePointBefore(text, index);
lastEvent = Event.createHardwareKeypressEvent(codePoint,
originalEvent.mKeyCode, lastEvent, false /* isKeyRepeat */);
index -= Character.charCount(codePoint);
} while (index > 0);
return lastEvent;
}
@Override
@Nonnull
public Event processEvent(final ArrayList<Event> previousEvents, final Event event) {
if (TextUtils.isEmpty(mDeadSequence)) {
// No dead char is currently being tracked: this is the most common case.
if (event.isDead()) {
// The event was a dead key. Start tracking it.
mDeadSequence.appendCodePoint(event.mCodePoint);
return Event.createConsumedEvent(event);
}
// Regular keystroke when not keeping track of a dead key. Simply said, there are
// no dead keys at all in the current input, so this combiner has nothing to do and
// simply returns the event as is. The majority of events will go through this path.
return event;
}
if (Character.isWhitespace(event.mCodePoint)
|| event.mCodePoint == mDeadSequence.codePointBefore(mDeadSequence.length())) {
// When whitespace or twice the same dead key, we should output the dead sequence as is.
final Event resultEvent = createEventChainFromSequence(mDeadSequence.toString(),
event);
mDeadSequence.setLength(0);
return resultEvent;
}
if (event.isFunctionalKeyEvent()) {
if (Constants.CODE_DELETE == event.mKeyCode) {
// Remove the last code point
final int trimIndex = mDeadSequence.length() - Character.charCount(
mDeadSequence.codePointBefore(mDeadSequence.length()));
mDeadSequence.setLength(trimIndex);
return Event.createConsumedEvent(event);
}
return event;
}
if (event.isDead()) {
mDeadSequence.appendCodePoint(event.mCodePoint);
return Event.createConsumedEvent(event);
}
// Combine normally.
final StringBuilder sb = new StringBuilder();
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;
}
@Override
public void reset() {
mDeadSequence.setLength(0);
}
@Override
public CharSequence getCombiningStateFeedback() {
return mDeadSequence;
}
}

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app/src/main/java/org/dslul/openboard/inputmethod/event/DeadKeyCombiner.kt Normal file
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package org.dslul.openboard.inputmethod.event
import android.text.TextUtils
import android.util.SparseIntArray
import org.dslul.openboard.inputmethod.latin.common.Constants
import java.text.Normalizer
import java.util.*
/**
* A combiner that handles dead keys.
*/
class DeadKeyCombiner : Combiner {
private object Data {
// This class data taken from KeyCharacterMap.java.
/* Characters used to display placeholders for dead keys. */
private const val ACCENT_ACUTE = '\u00B4'.toInt()
private const val ACCENT_BREVE = '\u02D8'.toInt()
private const val ACCENT_CARON = '\u02C7'.toInt()
private const val ACCENT_CEDILLA = '\u00B8'.toInt()
private const val ACCENT_CIRCUMFLEX = '\u02C6'.toInt()
private const val ACCENT_COMMA_ABOVE = '\u1FBD'.toInt()
private const val ACCENT_COMMA_ABOVE_RIGHT = '\u02BC'.toInt()
private const val ACCENT_DOT_ABOVE = '\u02D9'.toInt()
private const val ACCENT_DOT_BELOW = Constants.CODE_PERIOD // approximate
private const val ACCENT_DOUBLE_ACUTE = '\u02DD'.toInt()
private const val ACCENT_GRAVE = '\u02CB'.toInt()
private const val ACCENT_HOOK_ABOVE = '\u02C0'.toInt()
private const val ACCENT_HORN = Constants.CODE_SINGLE_QUOTE // approximate
private const val ACCENT_MACRON = '\u00AF'.toInt()
private const val ACCENT_MACRON_BELOW = '\u02CD'.toInt()
private const val ACCENT_OGONEK = '\u02DB'.toInt()
private const val ACCENT_REVERSED_COMMA_ABOVE = '\u02BD'.toInt()
private const val ACCENT_RING_ABOVE = '\u02DA'.toInt()
private const val ACCENT_STROKE = Constants.CODE_DASH // approximate
private const val ACCENT_TILDE = '\u02DC'.toInt()
private const val ACCENT_TURNED_COMMA_ABOVE = '\u02BB'.toInt()
private const val ACCENT_UMLAUT = '\u00A8'.toInt()
private const val ACCENT_VERTICAL_LINE_ABOVE = '\u02C8'.toInt()
private const val ACCENT_VERTICAL_LINE_BELOW = '\u02CC'.toInt()
/* 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 const val ACCENT_GRAVE_LEGACY = Constants.CODE_GRAVE_ACCENT
private const val ACCENT_CIRCUMFLEX_LEGACY = Constants.CODE_CIRCUMFLEX_ACCENT
private const val ACCENT_TILDE_LEGACY = Constants.CODE_TILDE
/**
* Maps Unicode combining diacritical to display-form dead key.
*/
val sCombiningToAccent = SparseIntArray()
val sAccentToCombining = SparseIntArray()
private fun addCombining(combining: Int, accent: Int) {
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 val sNonstandardDeadCombinations = SparseIntArray()
private fun addNonStandardDeadCombination(deadCodePoint: Int,
spacingCodePoint: Int, result: Int) {
val combination = deadCodePoint shl 16 or spacingCodePoint
sNonstandardDeadCombinations.put(combination, result)
}
const val NOT_A_CHAR = 0
const val BITS_TO_SHIFT_DEAD_CODE_POINT_FOR_NON_STANDARD_COMBINATION = 16
// Get a non-standard combination
fun getNonstandardCombination(deadCodePoint: Int,
spacingCodePoint: Int): Char {
val combination = spacingCodePoint or
(deadCodePoint shl BITS_TO_SHIFT_DEAD_CODE_POINT_FOR_NON_STANDARD_COMBINATION)
return sNonstandardDeadCombinations[combination, NOT_A_CHAR].toChar()
}
init { // U+0300: COMBINING GRAVE ACCENT
addCombining('\u0300'.toInt(), ACCENT_GRAVE)
// U+0301: COMBINING ACUTE ACCENT
addCombining('\u0301'.toInt(), ACCENT_ACUTE)
// U+0302: COMBINING CIRCUMFLEX ACCENT
addCombining('\u0302'.toInt(), ACCENT_CIRCUMFLEX)
// U+0303: COMBINING TILDE
addCombining('\u0303'.toInt(), ACCENT_TILDE)
// U+0304: COMBINING MACRON
addCombining('\u0304'.toInt(), ACCENT_MACRON)
// U+0306: COMBINING BREVE
addCombining('\u0306'.toInt(), ACCENT_BREVE)
// U+0307: COMBINING DOT ABOVE
addCombining('\u0307'.toInt(), ACCENT_DOT_ABOVE)
// U+0308: COMBINING DIAERESIS
addCombining('\u0308'.toInt(), ACCENT_UMLAUT)
// U+0309: COMBINING HOOK ABOVE
addCombining('\u0309'.toInt(), ACCENT_HOOK_ABOVE)
// U+030A: COMBINING RING ABOVE
addCombining('\u030A'.toInt(), ACCENT_RING_ABOVE)
// U+030B: COMBINING DOUBLE ACUTE ACCENT
addCombining('\u030B'.toInt(), ACCENT_DOUBLE_ACUTE)
// U+030C: COMBINING CARON
addCombining('\u030C'.toInt(), ACCENT_CARON)
// U+030D: COMBINING VERTICAL LINE ABOVE
addCombining('\u030D'.toInt(), 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'.toInt(), ACCENT_TURNED_COMMA_ABOVE)
// U+0313: COMBINING COMMA ABOVE
addCombining('\u0313'.toInt(), ACCENT_COMMA_ABOVE)
// U+0314: COMBINING REVERSED COMMA ABOVE
addCombining('\u0314'.toInt(), ACCENT_REVERSED_COMMA_ABOVE)
// U+0315: COMBINING COMMA ABOVE RIGHT
addCombining('\u0315'.toInt(), ACCENT_COMMA_ABOVE_RIGHT)
// U+031B: COMBINING HORN
addCombining('\u031B'.toInt(), ACCENT_HORN)
// U+0323: COMBINING DOT BELOW
addCombining('\u0323'.toInt(), ACCENT_DOT_BELOW)
// U+0326: COMBINING COMMA BELOW
//addCombining('\u0326', ACCENT_COMMA_BELOW);
// U+0327: COMBINING CEDILLA
addCombining('\u0327'.toInt(), ACCENT_CEDILLA)
// U+0328: COMBINING OGONEK
addCombining('\u0328'.toInt(), ACCENT_OGONEK)
// U+0329: COMBINING VERTICAL LINE BELOW
addCombining('\u0329'.toInt(), ACCENT_VERTICAL_LINE_BELOW)
// U+0331: COMBINING MACRON BELOW
addCombining('\u0331'.toInt(), ACCENT_MACRON_BELOW)
// U+0335: COMBINING SHORT STROKE OVERLAY
addCombining('\u0335'.toInt(), 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'.toInt(), ACCENT_GRAVE)
// U+0341: COMBINING ACUTE TONE MARK
sCombiningToAccent.append('\u0341'.toInt(), ACCENT_ACUTE)
// U+0343: COMBINING GREEK KORONIS
sCombiningToAccent.append('\u0343'.toInt(), ACCENT_COMMA_ABOVE)
// One-way legacy mappings to preserve compatibility with older applications.
// U+0300: COMBINING GRAVE ACCENT
sAccentToCombining.append(ACCENT_GRAVE_LEGACY, '\u0300'.toInt())
// U+0302: COMBINING CIRCUMFLEX ACCENT
sAccentToCombining.append(ACCENT_CIRCUMFLEX_LEGACY, '\u0302'.toInt())
// U+0303: COMBINING TILDE
sAccentToCombining.append(ACCENT_TILDE_LEGACY, '\u0303'.toInt())
}
init { // Non-standard decompositions.
// Stroke modifier for Finnish multilingual keyboard and others.
// U+0110: LATIN CAPITAL LETTER D WITH STROKE
addNonStandardDeadCombination(ACCENT_STROKE, 'D'.toInt(), '\u0110'.toInt())
// U+01E4: LATIN CAPITAL LETTER G WITH STROKE
addNonStandardDeadCombination(ACCENT_STROKE, 'G'.toInt(), '\u01e4'.toInt())
// U+0126: LATIN CAPITAL LETTER H WITH STROKE
addNonStandardDeadCombination(ACCENT_STROKE, 'H'.toInt(), '\u0126'.toInt())
// U+0197: LATIN CAPITAL LETTER I WITH STROKE
addNonStandardDeadCombination(ACCENT_STROKE, 'I'.toInt(), '\u0197'.toInt())
// U+0141: LATIN CAPITAL LETTER L WITH STROKE
addNonStandardDeadCombination(ACCENT_STROKE, 'L'.toInt(), '\u0141'.toInt())
// U+00D8: LATIN CAPITAL LETTER O WITH STROKE
addNonStandardDeadCombination(ACCENT_STROKE, 'O'.toInt(), '\u00d8'.toInt())
// U+0166: LATIN CAPITAL LETTER T WITH STROKE
addNonStandardDeadCombination(ACCENT_STROKE, 'T'.toInt(), '\u0166'.toInt())
// U+0111: LATIN SMALL LETTER D WITH STROKE
addNonStandardDeadCombination(ACCENT_STROKE, 'd'.toInt(), '\u0111'.toInt())
// U+01E5: LATIN SMALL LETTER G WITH STROKE
addNonStandardDeadCombination(ACCENT_STROKE, 'g'.toInt(), '\u01e5'.toInt())
// U+0127: LATIN SMALL LETTER H WITH STROKE
addNonStandardDeadCombination(ACCENT_STROKE, 'h'.toInt(), '\u0127'.toInt())
// U+0268: LATIN SMALL LETTER I WITH STROKE
addNonStandardDeadCombination(ACCENT_STROKE, 'i'.toInt(), '\u0268'.toInt())
// U+0142: LATIN SMALL LETTER L WITH STROKE
addNonStandardDeadCombination(ACCENT_STROKE, 'l'.toInt(), '\u0142'.toInt())
// U+00F8: LATIN SMALL LETTER O WITH STROKE
addNonStandardDeadCombination(ACCENT_STROKE, 'o'.toInt(), '\u00f8'.toInt())
// U+0167: LATIN SMALL LETTER T WITH STROKE
addNonStandardDeadCombination(ACCENT_STROKE, 't'.toInt(), '\u0167'.toInt())
}
}
// TODO: make this a list of events instead
val mDeadSequence = StringBuilder()
override fun processEvent(previousEvents: ArrayList<Event>?, event: Event?): Event? {
if (TextUtils.isEmpty(mDeadSequence)) { // No dead char is currently being tracked: this is the most common case.
if (event!!.isDead) { // The event was a dead key. Start tracking it.
mDeadSequence.appendCodePoint(event.mCodePoint)
return Event.Companion.createConsumedEvent(event)
}
// Regular keystroke when not keeping track of a dead key. Simply said, there are
// no dead keys at all in the current input, so this combiner has nothing to do and
// simply returns the event as is. The majority of events will go through this path.
return event
}
if (Character.isWhitespace(event!!.mCodePoint)
|| event.mCodePoint == mDeadSequence.codePointBefore(mDeadSequence.length)) { // When whitespace or twice the same dead key, we should output the dead sequence as is.
val resultEvent = createEventChainFromSequence(mDeadSequence.toString(),
event)
mDeadSequence.setLength(0)
return resultEvent
}
if (event.isFunctionalKeyEvent) {
if (Constants.CODE_DELETE == event.mKeyCode) { // Remove the last code point
val trimIndex = mDeadSequence.length - Character.charCount(
mDeadSequence.codePointBefore(mDeadSequence.length))
mDeadSequence.setLength(trimIndex)
return Event.Companion.createConsumedEvent(event)
}
return event
}
if (event.isDead) {
mDeadSequence.appendCodePoint(event.mCodePoint)
return Event.Companion.createConsumedEvent(event)
}
// Combine normally.
val sb = StringBuilder()
sb.appendCodePoint(event.mCodePoint)
var codePointIndex = 0
while (codePointIndex < mDeadSequence.length) {
val deadCodePoint = mDeadSequence.codePointAt(codePointIndex)
val replacementSpacingChar = Data.getNonstandardCombination(deadCodePoint, event.mCodePoint)
if (Data.NOT_A_CHAR != replacementSpacingChar.toInt()) {
sb.setCharAt(0, replacementSpacingChar)
} else {
val combining = Data.sAccentToCombining[deadCodePoint]
sb.appendCodePoint(if (0 == combining) deadCodePoint else combining)
}
codePointIndex += if (Character.isSupplementaryCodePoint(deadCodePoint)) 2 else 1
}
val normalizedString = Normalizer.normalize(sb, Normalizer.Form.NFC)
val resultEvent = createEventChainFromSequence(normalizedString, event)
mDeadSequence.setLength(0)
return resultEvent
}
override fun reset() {
mDeadSequence.setLength(0)
}
override val combiningStateFeedback: CharSequence
get() = mDeadSequence
companion object {
private fun createEventChainFromSequence(text: CharSequence,
originalEvent: Event?): Event? {
var index = text.length
if (index <= 0) {
return originalEvent
}
var lastEvent: Event? = null
do {
val codePoint = Character.codePointBefore(text, index)
lastEvent = Event.Companion.createHardwareKeypressEvent(codePoint,
originalEvent!!.mKeyCode, lastEvent, false /* isKeyRepeat */)
index -= Character.charCount(codePoint)
} while (index > 0)
return lastEvent
}
}
}

319
app/src/main/java/org/dslul/openboard/inputmethod/event/Event.java
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@ -1,319 +0,0 @@
/*
* Copyright (C) 2012 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 org.dslul.openboard.inputmethod.event;
import org.dslul.openboard.inputmethod.annotations.ExternallyReferenced;
import org.dslul.openboard.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
import org.dslul.openboard.inputmethod.latin.common.Constants;
import org.dslul.openboard.inputmethod.latin.common.StringUtils;
import javax.annotation.Nonnull;
/**
* Class representing a generic input event as handled by Latin IME.
*
* This contains information about the origin of the event, but it is generalized and should
* represent a software keypress, hardware keypress, or d-pad move alike.
* Very importantly, this does not necessarily result in inputting one character, or even anything
* at all - it may be a dead key, it may be a partial input, it may be a special key on the
* keyboard, it may be a cancellation of a keypress (e.g. in a soft keyboard the finger of the
* user has slid out of the key), etc. It may also be a batch input from a gesture or handwriting
* for example.
* The combiner should figure out what to do with this.
*/
public class Event {
// Should the types below be represented by separate classes instead? It would be cleaner
// but probably a bit too much
// An event we don't handle in Latin IME, for example pressing Ctrl on a hardware keyboard.
final public static int EVENT_TYPE_NOT_HANDLED = 0;
// A key press that is part of input, for example pressing an alphabetic character on a
// hardware qwerty keyboard. It may be part of a sequence that will be re-interpreted later
// through combination.
final public static int EVENT_TYPE_INPUT_KEYPRESS = 1;
// A toggle event is triggered by a key that affects the previous character. An example would
// be a numeric key on a 10-key keyboard, which would toggle between 1 - a - b - c with
// repeated presses.
final public static int EVENT_TYPE_TOGGLE = 2;
// A mode event instructs the combiner to change modes. The canonical example would be the
// hankaku/zenkaku key on a Japanese keyboard, or even the caps lock key on a qwerty keyboard
// if handled at the combiner level.
final public static int EVENT_TYPE_MODE_KEY = 3;
// An event corresponding to a gesture.
final public static int EVENT_TYPE_GESTURE = 4;
// An event corresponding to the manual pick of a suggestion.
final public static int EVENT_TYPE_SUGGESTION_PICKED = 5;
// An event corresponding to a string generated by some software process.
final public static int EVENT_TYPE_SOFTWARE_GENERATED_STRING = 6;
// An event corresponding to a cursor move
final public static int EVENT_TYPE_CURSOR_MOVE = 7;
// 0 is a valid code point, so we use -1 here.
final public static int NOT_A_CODE_POINT = -1;
// -1 is a valid key code, so we use 0 here.
final public static int NOT_A_KEY_CODE = 0;
final private static int FLAG_NONE = 0;
// This event is a dead character, usually input by a dead key. Examples include dead-acute
// or dead-abovering.
final private static int FLAG_DEAD = 0x1;
// This event is coming from a key repeat, software or hardware.
final private static int FLAG_REPEAT = 0x2;
// This event has already been consumed.
final private static int FLAG_CONSUMED = 0x4;
final private int mEventType; // The type of event - one of the constants above
// The code point associated with the event, if relevant. This is a unicode code point, and
// has nothing to do with other representations of the key. It is only relevant if this event
// is of KEYPRESS type, but for a mode key like hankaku/zenkaku or ctrl, there is no code point
// associated so this should be NOT_A_CODE_POINT to avoid unintentional use of its value when
// it's not relevant.
final public int mCodePoint;
// If applicable, this contains the string that should be input.
final public CharSequence mText;
// The key code associated with the event, if relevant. This is relevant whenever this event
// has been triggered by a key press, but not for a gesture for example. This has conceptually
// no link to the code point, although keys that enter a straight code point may often set
// this to be equal to mCodePoint for convenience. If this is not a key, this must contain
// NOT_A_KEY_CODE.
final public int mKeyCode;
// Coordinates of the touch event, if relevant. If useful, we may want to replace this with
// a MotionEvent or something in the future. This is only relevant when the keypress is from
// a software keyboard obviously, unless there are touch-sensitive hardware keyboards in the
// future or some other awesome sauce.
final public int mX;
final public int mY;
// Some flags that can't go into the key code. It's a bit field of FLAG_*
final private int mFlags;
// If this is of type EVENT_TYPE_SUGGESTION_PICKED, this must not be null (and must be null in
// other cases).
final public SuggestedWordInfo mSuggestedWordInfo;
// The next event, if any. Null if there is no next event yet.
final public Event mNextEvent;
// This method is private - to create a new event, use one of the create* utility methods.
private Event(final int type, final CharSequence text, final int codePoint, final int keyCode,
final int x, final int y, final SuggestedWordInfo suggestedWordInfo, final int flags,
final Event next) {
mEventType = type;
mText = text;
mCodePoint = codePoint;
mKeyCode = keyCode;
mX = x;
mY = y;
mSuggestedWordInfo = suggestedWordInfo;
mFlags = flags;
mNextEvent = next;
// Sanity checks
// mSuggestedWordInfo is non-null if and only if the type is SUGGESTION_PICKED
if (EVENT_TYPE_SUGGESTION_PICKED == mEventType) {
if (null == mSuggestedWordInfo) {
throw new RuntimeException("Wrong event: SUGGESTION_PICKED event must have a "
+ "non-null SuggestedWordInfo");
}
} else {
if (null != mSuggestedWordInfo) {
throw new RuntimeException("Wrong event: only SUGGESTION_PICKED events may have " +
"a non-null SuggestedWordInfo");
}
}
}
@Nonnull
public static Event createSoftwareKeypressEvent(final int codePoint, final int keyCode,
final int x, final int y, final boolean isKeyRepeat) {
return new Event(EVENT_TYPE_INPUT_KEYPRESS, null /* text */, codePoint, keyCode, x, y,
null /* suggestedWordInfo */, isKeyRepeat ? FLAG_REPEAT : FLAG_NONE, null);
}
@Nonnull
public static Event createHardwareKeypressEvent(final int codePoint, final int keyCode,
final Event next, final boolean isKeyRepeat) {
return new Event(EVENT_TYPE_INPUT_KEYPRESS, null /* text */, codePoint, keyCode,
Constants.EXTERNAL_KEYBOARD_COORDINATE, Constants.EXTERNAL_KEYBOARD_COORDINATE,
null /* suggestedWordInfo */, isKeyRepeat ? FLAG_REPEAT : FLAG_NONE, next);
}
// This creates an input event for a dead character. @see {@link #FLAG_DEAD}
@ExternallyReferenced
@Nonnull
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.
return new Event(EVENT_TYPE_INPUT_KEYPRESS, null /* text */, codePoint, keyCode,
Constants.EXTERNAL_KEYBOARD_COORDINATE, Constants.EXTERNAL_KEYBOARD_COORDINATE,
null /* suggestedWordInfo */, FLAG_DEAD, next);
}
/**
* Create an input event with nothing but a code point. This is the most basic possible input
* event; it contains no information on many things the IME requires to function correctly,
* so avoid using it unless really nothing is known about this input.
* @param codePoint the code point.
* @return an event for this code point.
*/
@Nonnull
public static Event createEventForCodePointFromUnknownSource(final int codePoint) {
// TODO: should we have a different type of event for this? After all, it's not a key press.
return new Event(EVENT_TYPE_INPUT_KEYPRESS, null /* text */, codePoint, NOT_A_KEY_CODE,
Constants.NOT_A_COORDINATE, Constants.NOT_A_COORDINATE,
null /* suggestedWordInfo */, FLAG_NONE, null /* next */);
}
/**
* Creates an input event with a code point and x, y coordinates. This is typically used when
* resuming a previously-typed word, when the coordinates are still known.
* @param codePoint the code point to input.
* @param x the X coordinate.
* @param y the Y coordinate.
* @return an event for this code point and coordinates.
*/
@Nonnull
public static Event createEventForCodePointFromAlreadyTypedText(final int codePoint,
final int x, final int y) {
// TODO: should we have a different type of event for this? After all, it's not a key press.
return new Event(EVENT_TYPE_INPUT_KEYPRESS, null /* text */, codePoint, NOT_A_KEY_CODE,
x, y, null /* suggestedWordInfo */, FLAG_NONE, null /* next */);
}
/**
* Creates an input event representing the manual pick of a suggestion.
* @return an event for this suggestion pick.
*/
@Nonnull
public static Event createSuggestionPickedEvent(final SuggestedWordInfo suggestedWordInfo) {
return new Event(EVENT_TYPE_SUGGESTION_PICKED, suggestedWordInfo.mWord,
NOT_A_CODE_POINT, NOT_A_KEY_CODE,
Constants.SUGGESTION_STRIP_COORDINATE, Constants.SUGGESTION_STRIP_COORDINATE,
suggestedWordInfo, FLAG_NONE, null /* next */);
}
/**
* Creates an input event with a CharSequence. This is used by some software processes whose
* output is a string, possibly with styling. Examples include press on a multi-character key,
* or combination that outputs a string.
* @param text the CharSequence associated with this event.
* @param keyCode the key code, or NOT_A_KEYCODE if not applicable.
* @return an event for this text.
*/
@Nonnull
public static Event createSoftwareTextEvent(final CharSequence text, final int keyCode) {
return new Event(EVENT_TYPE_SOFTWARE_GENERATED_STRING, text, NOT_A_CODE_POINT, keyCode,
Constants.NOT_A_COORDINATE, Constants.NOT_A_COORDINATE,
null /* suggestedWordInfo */, FLAG_NONE, null /* next */);
}
/**
* Creates an input event representing the manual pick of a punctuation suggestion.
* @return an event for this suggestion pick.
*/
@Nonnull
public static Event createPunctuationSuggestionPickedEvent(
final SuggestedWordInfo suggestedWordInfo) {
final int primaryCode = suggestedWordInfo.mWord.charAt(0);
return new Event(EVENT_TYPE_SUGGESTION_PICKED, suggestedWordInfo.mWord, primaryCode,
NOT_A_KEY_CODE, Constants.SUGGESTION_STRIP_COORDINATE,
Constants.SUGGESTION_STRIP_COORDINATE, suggestedWordInfo, FLAG_NONE,
null /* next */);
}
/**
* Creates an input event representing moving the cursor. The relative move amount is stored
* in mX.
* @param moveAmount the relative move amount.
* @return an event for this cursor move.
*/
@Nonnull
public static Event createCursorMovedEvent(final int moveAmount) {
return new Event(EVENT_TYPE_CURSOR_MOVE, null, NOT_A_CODE_POINT, NOT_A_KEY_CODE,
moveAmount, Constants.NOT_A_COORDINATE, null, FLAG_NONE, null);
}
/**
* Creates an event identical to the passed event, but that has already been consumed.
* @param source the event to copy the properties of.
* @return an identical event marked as consumed.
*/
@Nonnull
public static Event createConsumedEvent(final Event source) {
// A consumed event should not input any text at all, so we pass the empty string as text.
return new Event(source.mEventType, source.mText, source.mCodePoint, source.mKeyCode,
source.mX, source.mY, source.mSuggestedWordInfo, source.mFlags | FLAG_CONSUMED,
source.mNextEvent);
}
@Nonnull
public static Event createNotHandledEvent() {
return new Event(EVENT_TYPE_NOT_HANDLED, null /* text */, NOT_A_CODE_POINT, NOT_A_KEY_CODE,
Constants.NOT_A_COORDINATE, Constants.NOT_A_COORDINATE,
null /* suggestedWordInfo */, FLAG_NONE, null);
}
// Returns whether this is a function key like backspace, ctrl, settings... as opposed to keys
// that result in input like letters or space.
public boolean isFunctionalKeyEvent() {
// This logic may need to be refined in the future
return NOT_A_CODE_POINT == mCodePoint;
}
// Returns whether this event is for a dead character. @see {@link #FLAG_DEAD}
public boolean isDead() {
return 0 != (FLAG_DEAD & mFlags);
}
public boolean isKeyRepeat() {
return 0 != (FLAG_REPEAT & mFlags);
}
public boolean isConsumed() { return 0 != (FLAG_CONSUMED & mFlags); }
public boolean isGesture() { return EVENT_TYPE_GESTURE == mEventType; }
// Returns whether this is a fake key press from the suggestion strip. This happens with
// punctuation signs selected from the suggestion strip.
public boolean isSuggestionStripPress() {
return EVENT_TYPE_SUGGESTION_PICKED == mEventType;
}
public boolean isHandled() {
return EVENT_TYPE_NOT_HANDLED != mEventType;
}
public CharSequence getTextToCommit() {
if (isConsumed()) {
return ""; // A consumed event should input no text.
}
switch (mEventType) {
case EVENT_TYPE_MODE_KEY:
case EVENT_TYPE_NOT_HANDLED:
case EVENT_TYPE_TOGGLE:
case EVENT_TYPE_CURSOR_MOVE:
return "";
case EVENT_TYPE_INPUT_KEYPRESS:
return StringUtils.newSingleCodePointString(mCodePoint);
case EVENT_TYPE_GESTURE:
case EVENT_TYPE_SOFTWARE_GENERATED_STRING:
case EVENT_TYPE_SUGGESTION_PICKED:
return mText;
}
throw new RuntimeException("Unknown event type: " + mEventType);
}
}

264
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@ -0,0 +1,264 @@
package org.dslul.openboard.inputmethod.event
import org.dslul.openboard.inputmethod.annotations.ExternallyReferenced
import org.dslul.openboard.inputmethod.latin.SuggestedWords.SuggestedWordInfo
import org.dslul.openboard.inputmethod.latin.common.Constants
import org.dslul.openboard.inputmethod.latin.common.StringUtils
/**
* Class representing a generic input event as handled by Latin IME.
*
* This contains information about the origin of the event, but it is generalized and should
* represent a software keypress, hardware keypress, or d-pad move alike.
* Very importantly, this does not necessarily result in inputting one character, or even anything
* at all - it may be a dead key, it may be a partial input, it may be a special key on the
* keyboard, it may be a cancellation of a keypress (e.g. in a soft keyboard the finger of the
* user has slid out of the key), etc. It may also be a batch input from a gesture or handwriting
* for example.
* The combiner should figure out what to do with this.
*/
class Event private constructor(// The type of event - one of the constants above
private val mEventType: Int, // If applicable, this contains the string that should be input.
val mText: CharSequence?, // The code point associated with the event, if relevant. This is a unicode code point, and
// has nothing to do with other representations of the key. It is only relevant if this event
// is of KEYPRESS type, but for a mode key like hankaku/zenkaku or ctrl, there is no code point
// associated so this should be NOT_A_CODE_POINT to avoid unintentional use of its value when
// it's not relevant.
val mCodePoint: Int, // The key code associated with the event, if relevant. This is relevant whenever this event
// has been triggered by a key press, but not for a gesture for example. This has conceptually
// no link to the code point, although keys that enter a straight code point may often set
// this to be equal to mCodePoint for convenience. If this is not a key, this must contain
// NOT_A_KEY_CODE.
val mKeyCode: Int,
// Coordinates of the touch event, if relevant. If useful, we may want to replace this with
// a MotionEvent or something in the future. This is only relevant when the keypress is from
// a software keyboard obviously, unless there are touch-sensitive hardware keyboards in the
// future or some other awesome sauce.
val mX: Int, val mY: Int,
// If this is of type EVENT_TYPE_SUGGESTION_PICKED, this must not be null (and must be null in
// other cases).
val mSuggestedWordInfo: SuggestedWordInfo?,
// Some flags that can't go into the key code. It's a bit field of FLAG_*
private val mFlags: Int,
// The next event, if any. Null if there is no next event yet.
val mNextEvent: Event?// This logic may need to be refined in the future
) {
// Returns whether this is a function key like backspace, ctrl, settings... as opposed to keys
// that result in input like letters or space.
val isFunctionalKeyEvent: Boolean
get() =// This logic may need to be refined in the future
NOT_A_CODE_POINT == mCodePoint
// Returns whether this event is for a dead character. @see {@link #FLAG_DEAD}
val isDead: Boolean
get() = 0 != FLAG_DEAD and mFlags
val isKeyRepeat: Boolean
get() = 0 != FLAG_REPEAT and mFlags
val isConsumed: Boolean
get() = 0 != FLAG_CONSUMED and mFlags
val isGesture: Boolean
get() = EVENT_TYPE_GESTURE == mEventType
// Returns whether this is a fake key press from the suggestion strip. This happens with
// punctuation signs selected from the suggestion strip.
val isSuggestionStripPress: Boolean
get() = EVENT_TYPE_SUGGESTION_PICKED == mEventType
val isHandled: Boolean
get() = EVENT_TYPE_NOT_HANDLED != mEventType
// A consumed event should input no text.
val textToCommit: CharSequence?
get() {
if (isConsumed) {
return "" // A consumed event should input no text.
}
when (mEventType) {
EVENT_TYPE_MODE_KEY, EVENT_TYPE_NOT_HANDLED, EVENT_TYPE_TOGGLE, EVENT_TYPE_CURSOR_MOVE -> return ""
EVENT_TYPE_INPUT_KEYPRESS -> return StringUtils.newSingleCodePointString(mCodePoint)
EVENT_TYPE_GESTURE, EVENT_TYPE_SOFTWARE_GENERATED_STRING, EVENT_TYPE_SUGGESTION_PICKED -> return mText
}
throw RuntimeException("Unknown event type: $mEventType")
}
companion object {
// Should the types below be represented by separate classes instead? It would be cleaner
// but probably a bit too much
// An event we don't handle in Latin IME, for example pressing Ctrl on a hardware keyboard.
const val EVENT_TYPE_NOT_HANDLED = 0
// A key press that is part of input, for example pressing an alphabetic character on a
// hardware qwerty keyboard. It may be part of a sequence that will be re-interpreted later
// through combination.
const val EVENT_TYPE_INPUT_KEYPRESS = 1
// A toggle event is triggered by a key that affects the previous character. An example would
// be a numeric key on a 10-key keyboard, which would toggle between 1 - a - b - c with
// repeated presses.
const val EVENT_TYPE_TOGGLE = 2
// A mode event instructs the combiner to change modes. The canonical example would be the
// hankaku/zenkaku key on a Japanese keyboard, or even the caps lock key on a qwerty keyboard
// if handled at the combiner level.
const val EVENT_TYPE_MODE_KEY = 3
// An event corresponding to a gesture.
const val EVENT_TYPE_GESTURE = 4
// An event corresponding to the manual pick of a suggestion.
const val EVENT_TYPE_SUGGESTION_PICKED = 5
// An event corresponding to a string generated by some software process.
const val EVENT_TYPE_SOFTWARE_GENERATED_STRING = 6
// An event corresponding to a cursor move
const val EVENT_TYPE_CURSOR_MOVE = 7
// 0 is a valid code point, so we use -1 here.
const val NOT_A_CODE_POINT = -1
// -1 is a valid key code, so we use 0 here.
const val NOT_A_KEY_CODE = 0
private const val FLAG_NONE = 0
// This event is a dead character, usually input by a dead key. Examples include dead-acute
// or dead-abovering.
private const val FLAG_DEAD = 0x1
// This event is coming from a key repeat, software or hardware.
private const val FLAG_REPEAT = 0x2
// This event has already been consumed.
private const val FLAG_CONSUMED = 0x4
@JvmStatic
fun createSoftwareKeypressEvent(codePoint: Int, keyCode: Int,
x: Int, y: Int, isKeyRepeat: Boolean): Event {
return Event(EVENT_TYPE_INPUT_KEYPRESS, null /* text */, codePoint, keyCode, x, y,
null /* suggestedWordInfo */, if (isKeyRepeat) FLAG_REPEAT else FLAG_NONE, null)
}
fun createHardwareKeypressEvent(codePoint: Int, keyCode: Int,
next: Event?, isKeyRepeat: Boolean): Event {
return Event(EVENT_TYPE_INPUT_KEYPRESS, null /* text */, codePoint, keyCode,
Constants.EXTERNAL_KEYBOARD_COORDINATE, Constants.EXTERNAL_KEYBOARD_COORDINATE,
null /* suggestedWordInfo */, if (isKeyRepeat) FLAG_REPEAT else FLAG_NONE, next)
}
// This creates an input event for a dead character. @see {@link #FLAG_DEAD}
@ExternallyReferenced
fun createDeadEvent(codePoint: Int, keyCode: Int, next: Event?): Event { // TODO: add an argument or something if we ever create a software layout with dead keys.
return Event(EVENT_TYPE_INPUT_KEYPRESS, null /* text */, codePoint, keyCode,
Constants.EXTERNAL_KEYBOARD_COORDINATE, Constants.EXTERNAL_KEYBOARD_COORDINATE,
null /* suggestedWordInfo */, FLAG_DEAD, next)
}
/**
* Create an input event with nothing but a code point. This is the most basic possible input
* event; it contains no information on many things the IME requires to function correctly,
* so avoid using it unless really nothing is known about this input.
* @param codePoint the code point.
* @return an event for this code point.
*/
@JvmStatic
fun createEventForCodePointFromUnknownSource(codePoint: Int): Event { // TODO: should we have a different type of event for this? After all, it's not a key press.
return Event(EVENT_TYPE_INPUT_KEYPRESS, null /* text */, codePoint, NOT_A_KEY_CODE,
Constants.NOT_A_COORDINATE, Constants.NOT_A_COORDINATE,
null /* suggestedWordInfo */, FLAG_NONE, null /* next */)
}
/**
* Creates an input event with a code point and x, y coordinates. This is typically used when
* resuming a previously-typed word, when the coordinates are still known.
* @param codePoint the code point to input.
* @param x the X coordinate.
* @param y the Y coordinate.
* @return an event for this code point and coordinates.
*/
@JvmStatic
fun createEventForCodePointFromAlreadyTypedText(codePoint: Int,
x: Int, y: Int): Event { // TODO: should we have a different type of event for this? After all, it's not a key press.
return Event(EVENT_TYPE_INPUT_KEYPRESS, null /* text */, codePoint, NOT_A_KEY_CODE,
x, y, null /* suggestedWordInfo */, FLAG_NONE, null /* next */)
}
/**
* Creates an input event representing the manual pick of a suggestion.
* @return an event for this suggestion pick.
*/
@JvmStatic
fun createSuggestionPickedEvent(suggestedWordInfo: SuggestedWordInfo): Event {
return Event(EVENT_TYPE_SUGGESTION_PICKED, suggestedWordInfo.mWord,
NOT_A_CODE_POINT, NOT_A_KEY_CODE,
Constants.SUGGESTION_STRIP_COORDINATE, Constants.SUGGESTION_STRIP_COORDINATE,
suggestedWordInfo, FLAG_NONE, null /* next */)
}
/**
* Creates an input event with a CharSequence. This is used by some software processes whose
* output is a string, possibly with styling. Examples include press on a multi-character key,
* or combination that outputs a string.
* @param text the CharSequence associated with this event.
* @param keyCode the key code, or NOT_A_KEYCODE if not applicable.
* @return an event for this text.
*/
@JvmStatic
fun createSoftwareTextEvent(text: CharSequence?, keyCode: Int): Event {
return Event(EVENT_TYPE_SOFTWARE_GENERATED_STRING, text, NOT_A_CODE_POINT, keyCode,
Constants.NOT_A_COORDINATE, Constants.NOT_A_COORDINATE,
null /* suggestedWordInfo */, FLAG_NONE, null /* next */)
}
/**
* Creates an input event representing the manual pick of a punctuation suggestion.
* @return an event for this suggestion pick.
*/
@JvmStatic
fun createPunctuationSuggestionPickedEvent(
suggestedWordInfo: SuggestedWordInfo): Event {
val primaryCode = suggestedWordInfo.mWord[0].toInt()
return Event(EVENT_TYPE_SUGGESTION_PICKED, suggestedWordInfo.mWord, primaryCode,
NOT_A_KEY_CODE, Constants.SUGGESTION_STRIP_COORDINATE,
Constants.SUGGESTION_STRIP_COORDINATE, suggestedWordInfo, FLAG_NONE,
null /* next */)
}
/**
* Creates an input event representing moving the cursor. The relative move amount is stored
* in mX.
* @param moveAmount the relative move amount.
* @return an event for this cursor move.
*/
@JvmStatic
fun createCursorMovedEvent(moveAmount: Int): Event {
return Event(EVENT_TYPE_CURSOR_MOVE, null, NOT_A_CODE_POINT, NOT_A_KEY_CODE,
moveAmount, Constants.NOT_A_COORDINATE, null, FLAG_NONE, null)
}
/**
* Creates an event identical to the passed event, but that has already been consumed.
* @param source the event to copy the properties of.
* @return an identical event marked as consumed.
*/
fun createConsumedEvent(source: Event?): Event { // A consumed event should not input any text at all, so we pass the empty string as text.
return Event(source!!.mEventType, source.mText, source.mCodePoint, source.mKeyCode,
source.mX, source.mY, source.mSuggestedWordInfo, source.mFlags or FLAG_CONSUMED,
source.mNextEvent)
}
fun createNotHandledEvent(): Event {
return Event(EVENT_TYPE_NOT_HANDLED, null /* text */, NOT_A_CODE_POINT, NOT_A_KEY_CODE,
Constants.NOT_A_COORDINATE, Constants.NOT_A_COORDINATE,
null /* suggestedWordInfo */, FLAG_NONE, null)
}
}
// This method is private - to create a new event, use one of the create* utility methods.
init {
// Sanity checks
// mSuggestedWordInfo is non-null if and only if the type is SUGGESTION_PICKED
if (EVENT_TYPE_SUGGESTION_PICKED == mEventType) {
if (null == mSuggestedWordInfo) {
throw RuntimeException("Wrong event: SUGGESTION_PICKED event must have a "
+ "non-null SuggestedWordInfo")
}
} else {
if (null != mSuggestedWordInfo) {
throw RuntimeException("Wrong event: only SUGGESTION_PICKED events may have " +
"a non-null SuggestedWordInfo")
}
}
}
}

7
app/src/main/java/org/dslul/openboard/inputmethod/event/EventDecoder.java → app/src/main/java/org/dslul/openboard/inputmethod/event/EventDecoder.kt
View file

@ -13,12 +13,9 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.dslul.openboard.inputmethod.event;
package org.dslul.openboard.inputmethod.event
/**
* A generic interface for event decoders.
*/
public interface EventDecoder {
}
interface EventDecoder

11
app/src/main/java/org/dslul/openboard/inputmethod/event/HardwareEventDecoder.java → app/src/main/java/org/dslul/openboard/inputmethod/event/HardwareEventDecoder.kt
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@ -13,14 +13,13 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.dslul.openboard.inputmethod.event
package org.dslul.openboard.inputmethod.event;
import android.view.KeyEvent;
import android.view.KeyEvent
/**
* An event decoder for hardware events.
*/
public interface HardwareEventDecoder extends EventDecoder {
public Event decodeHardwareKey(final KeyEvent keyEvent);
}
interface HardwareEventDecoder : EventDecoder {
fun decodeHardwareKey(keyEvent: KeyEvent): Event
}

81
app/src/main/java/org/dslul/openboard/inputmethod/event/HardwareKeyboardEventDecoder.java
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@ -1,81 +0,0 @@
/*
* Copyright (C) 2012 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 org.dslul.openboard.inputmethod.event;
import android.view.KeyCharacterMap;
import android.view.KeyEvent;
import org.dslul.openboard.inputmethod.latin.common.Constants;
/**
* A hardware event decoder for a hardware qwerty-ish keyboard.
*
* The events are always hardware keypresses, but they can be key down or key up events, they
* can be dead keys, they can be meta keys like shift or ctrl... This does not deal with
* 10-key like keyboards; a different decoder is used for this.
*/
public class HardwareKeyboardEventDecoder implements HardwareEventDecoder {
final int mDeviceId;
public HardwareKeyboardEventDecoder(final int deviceId) {
mDeviceId = deviceId;
// TODO: get the layout for this hardware keyboard
}
@Override
public Event decodeHardwareKey(final KeyEvent keyEvent) {
// KeyEvent#getUnicodeChar() does not exactly returns a unicode char, but rather a value
// that includes both the unicode char in the lower 21 bits and flags in the upper bits,
// hence the name "codePointAndFlags". {@see KeyEvent#getUnicodeChar()} for more info.
final int codePointAndFlags = keyEvent.getUnicodeChar();
// The keyCode is the abstraction used by the KeyEvent to represent different keys that
// do not necessarily map to a unicode character. This represents a physical key, like
// the key for 'A' or Space, but also Backspace or Ctrl or Caps Lock.
final int keyCode = keyEvent.getKeyCode();
final boolean isKeyRepeat = (0 != keyEvent.getRepeatCount());
if (KeyEvent.KEYCODE_DEL == keyCode) {
return Event.createHardwareKeypressEvent(Event.NOT_A_CODE_POINT, Constants.CODE_DELETE,
null /* next */, isKeyRepeat);
}
if (keyEvent.isPrintingKey() || KeyEvent.KEYCODE_SPACE == keyCode
|| KeyEvent.KEYCODE_ENTER == keyCode) {
if (0 != (codePointAndFlags & KeyCharacterMap.COMBINING_ACCENT)) {
// A dead key.
return Event.createDeadEvent(
codePointAndFlags & KeyCharacterMap.COMBINING_ACCENT_MASK, keyCode,
null /* next */);
}
if (KeyEvent.KEYCODE_ENTER == keyCode) {
// The Enter key. If the Shift key is not being pressed, this should send a
// CODE_ENTER to trigger the action if any, or a carriage return otherwise. If the
// Shift key is being pressed, this should send a CODE_SHIFT_ENTER and let
// Latin IME decide what to do with it.
if (keyEvent.isShiftPressed()) {
return Event.createHardwareKeypressEvent(Event.NOT_A_CODE_POINT,
Constants.CODE_SHIFT_ENTER, null /* next */, isKeyRepeat);
}
return Event.createHardwareKeypressEvent(Constants.CODE_ENTER, keyCode,
null /* next */, isKeyRepeat);
}
// If not Enter, then this is just a regular keypress event for a normal character
// that can be committed right away, taking into account the current state.
return Event.createHardwareKeypressEvent(codePointAndFlags, keyCode, null /* next */,
isKeyRepeat);
}
return Event.createNotHandledEvent();
}
}

67
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@ -0,0 +1,67 @@
/*
* Copyright (C) 2012 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 org.dslul.openboard.inputmethod.event
import android.view.KeyCharacterMap
import android.view.KeyEvent
import org.dslul.openboard.inputmethod.latin.common.Constants
/**
* A hardware event decoder for a hardware qwerty-ish keyboard.
*
* The events are always hardware keypresses, but they can be key down or key up events, they
* can be dead keys, they can be meta keys like shift or ctrl... This does not deal with
* 10-key like keyboards; a different decoder is used for this.
*/
class HardwareKeyboardEventDecoder // TODO: get the layout for this hardware keyboard
(val mDeviceId: Int) : HardwareEventDecoder {
override fun decodeHardwareKey(keyEvent: KeyEvent): Event { // KeyEvent#getUnicodeChar() does not exactly returns a unicode char, but rather a value
// that includes both the unicode char in the lower 21 bits and flags in the upper bits,
// hence the name "codePointAndFlags". {@see KeyEvent#getUnicodeChar()} for more info.
val codePointAndFlags = keyEvent.unicodeChar
// The keyCode is the abstraction used by the KeyEvent to represent different keys that
// do not necessarily map to a unicode character. This represents a physical key, like
// the key for 'A' or Space, but also Backspace or Ctrl or Caps Lock.
val keyCode = keyEvent.keyCode
val isKeyRepeat = 0 != keyEvent.repeatCount
if (KeyEvent.KEYCODE_DEL == keyCode) {
return Event.Companion.createHardwareKeypressEvent(Event.Companion.NOT_A_CODE_POINT, Constants.CODE_DELETE,
null /* next */, isKeyRepeat)
}
if (keyEvent.isPrintingKey || KeyEvent.KEYCODE_SPACE == keyCode || KeyEvent.KEYCODE_ENTER == keyCode) {
if (0 != codePointAndFlags and KeyCharacterMap.COMBINING_ACCENT) { // A dead key.
return Event.Companion.createDeadEvent(
codePointAndFlags and KeyCharacterMap.COMBINING_ACCENT_MASK, keyCode,
null /* next */)
}
return if (KeyEvent.KEYCODE_ENTER == keyCode) { // The Enter key. If the Shift key is not being pressed, this should send a
// CODE_ENTER to trigger the action if any, or a carriage return otherwise. If the
// Shift key is being pressed, this should send a CODE_SHIFT_ENTER and let
// Latin IME decide what to do with it.
if (keyEvent.isShiftPressed) {
Event.Companion.createHardwareKeypressEvent(Event.Companion.NOT_A_CODE_POINT,
Constants.CODE_SHIFT_ENTER, null /* next */, isKeyRepeat)
} else Event.Companion.createHardwareKeypressEvent(Constants.CODE_ENTER, keyCode,
null /* next */, isKeyRepeat)
} else Event.Companion.createHardwareKeypressEvent(codePointAndFlags, keyCode, null /* next */,
isKeyRepeat)
// If not Enter, then this is just a regular keypress event for a normal character
// that can be committed right away, taking into account the current state.
}
return Event.Companion.createNotHandledEvent()
}
}

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@ -1,116 +0,0 @@
/*
* 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 org.dslul.openboard.inputmethod.event;
import org.dslul.openboard.inputmethod.latin.settings.SettingsValues;
/**
* An object encapsulating a single transaction for input.
*/
public class InputTransaction {
// UPDATE_LATER is stronger than UPDATE_NOW. The reason for this is, if we have to update later,
// it's because something will change that we can't evaluate now, which means that even if we
// re-evaluate now we'll have to do it again later. The only case where that wouldn't apply
// would be if we needed to update now to find out the new state right away, but then we
// can't do it with this deferred mechanism anyway.
public static final int SHIFT_NO_UPDATE = 0;
public static final int SHIFT_UPDATE_NOW = 1;
public static final int SHIFT_UPDATE_LATER = 2;
// Initial conditions
public final SettingsValues mSettingsValues;
public final Event mEvent;
public final long mTimestamp;
public final int mSpaceState;
public final int mShiftState;
// Outputs
private int mRequiredShiftUpdate = SHIFT_NO_UPDATE;
private boolean mRequiresUpdateSuggestions = false;
private boolean mDidAffectContents = false;
private boolean mDidAutoCorrect = false;
public InputTransaction(final SettingsValues settingsValues, final Event event,
final long timestamp, final int spaceState, final int shiftState) {
mSettingsValues = settingsValues;
mEvent = event;
mTimestamp = timestamp;
mSpaceState = spaceState;
mShiftState = shiftState;
}
/**
* Indicate that this transaction requires some type of shift update.
* @param updateType What type of shift update this requires.
*/
public void requireShiftUpdate(final int updateType) {
mRequiredShiftUpdate = Math.max(mRequiredShiftUpdate, updateType);
}
/**
* Gets what type of shift update this transaction requires.
* @return The shift update type.
*/
public int getRequiredShiftUpdate() {
return mRequiredShiftUpdate;
}
/**
* Indicate that this transaction requires updating the suggestions.
*/
public void setRequiresUpdateSuggestions() {
mRequiresUpdateSuggestions = true;
}
/**
* Find out whether this transaction requires updating the suggestions.
* @return Whether this transaction requires updating the suggestions.
*/
public boolean requiresUpdateSuggestions() {
return mRequiresUpdateSuggestions;
}
/**
* Indicate that this transaction affected the contents of the editor.
*/
public void setDidAffectContents() {
mDidAffectContents = true;
}
/**
* Find out whether this transaction affected contents of the editor.
* @return Whether this transaction affected contents of the editor.
*/
public boolean didAffectContents() {
return mDidAffectContents;
}
/**
* Indicate that this transaction performed an auto-correction.
*/
public void setDidAutoCorrect() {
mDidAutoCorrect = true;
}
/**
* Find out whether this transaction performed an auto-correction.
* @return Whether this transaction performed an auto-correction.
*/
public boolean didAutoCorrect() {
return mDidAutoCorrect;
}
}

100
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@ -0,0 +1,100 @@
/*
* 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 org.dslul.openboard.inputmethod.event
import org.dslul.openboard.inputmethod.latin.settings.SettingsValues
/**
* An object encapsulating a single transaction for input.
*/
class InputTransaction(// Initial conditions
val mSettingsValues: SettingsValues, val mEvent: Event,
val mTimestamp: Long, val mSpaceState: Int, val mShiftState: Int) {
/**
* Gets what type of shift update this transaction requires.
* @return The shift update type.
*/
// Outputs
var requiredShiftUpdate = SHIFT_NO_UPDATE
private set
private var mRequiresUpdateSuggestions = false
private var mDidAffectContents = false
private var mDidAutoCorrect = false
/**
* Indicate that this transaction requires some type of shift update.
* @param updateType What type of shift update this requires.
*/
fun requireShiftUpdate(updateType: Int) {
requiredShiftUpdate = Math.max(requiredShiftUpdate, updateType)
}
/**
* Indicate that this transaction requires updating the suggestions.
*/
fun setRequiresUpdateSuggestions() {
mRequiresUpdateSuggestions = true
}
/**
* Find out whether this transaction requires updating the suggestions.
* @return Whether this transaction requires updating the suggestions.
*/
fun requiresUpdateSuggestions(): Boolean {
return mRequiresUpdateSuggestions
}
/**
* Indicate that this transaction affected the contents of the editor.
*/
fun setDidAffectContents() {
mDidAffectContents = true
}
/**
* Find out whether this transaction affected contents of the editor.
* @return Whether this transaction affected contents of the editor.
*/
fun didAffectContents(): Boolean {
return mDidAffectContents
}
/**
* Indicate that this transaction performed an auto-correction.
*/
fun setDidAutoCorrect() {
mDidAutoCorrect = true
}
/**
* Find out whether this transaction performed an auto-correction.
* @return Whether this transaction performed an auto-correction.
*/
fun didAutoCorrect(): Boolean {
return mDidAutoCorrect
}
companion object {
// UPDATE_LATER is stronger than UPDATE_NOW. The reason for this is, if we have to update later,
// it's because something will change that we can't evaluate now, which means that even if we
// re-evaluate now we'll have to do it again later. The only case where that wouldn't apply
// would be if we needed to update now to find out the new state right away, but then we
// can't do it with this deferred mechanism anyway.
const val SHIFT_NO_UPDATE = 0
const val SHIFT_UPDATE_NOW = 1
const val SHIFT_UPDATE_LATER = 2
}
}

2
app/src/main/java/org/dslul/openboard/inputmethod/keyboard/internal/KeyboardState.java
View file

@ -619,7 +619,7 @@ public final class KeyboardState {
}
public void onEvent(final Event event, final int autoCapsFlags, final int recapitalizeMode) {
final int code = event.isFunctionalKeyEvent() ? event.mKeyCode : event.mCodePoint;
final int code = event.isFunctionalKeyEvent() ? event.getMKeyCode() : event.getMCodePoint();
if (DEBUG_EVENT) {
Log.d(TAG, "onEvent: code=" + Constants.printableCode(code)
+ " " + stateToString(autoCapsFlags, recapitalizeMode));

6
app/src/main/java/org/dslul/openboard/inputmethod/latin/LatinIME.java
View file

@ -1443,7 +1443,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
// This method is public for testability of LatinIME, but also in the future it should
// completely replace #onCodeInput.
public void onEvent(@Nonnull final Event event) {
if (Constants.CODE_SHORTCUT == event.mKeyCode) {
if (Constants.CODE_SHORTCUT == event.getMKeyCode()) {
mRichImm.switchToShortcutIme(this);
}
final InputTransaction completeInputTransaction =
@ -1685,10 +1685,10 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
}
if (inputTransaction.requiresUpdateSuggestions()) {
final int inputStyle;
if (inputTransaction.mEvent.isSuggestionStripPress()) {
if (inputTransaction.getMEvent().isSuggestionStripPress()) {
// Suggestion strip press: no input.
inputStyle = SuggestedWords.INPUT_STYLE_NONE;
} else if (inputTransaction.mEvent.isGesture()) {
} else if (inputTransaction.getMEvent().isGesture()) {
inputStyle = SuggestedWords.INPUT_STYLE_TAIL_BATCH;
} else {
inputStyle = SuggestedWords.INPUT_STYLE_TYPING;

8
app/src/main/java/org/dslul/openboard/inputmethod/latin/WordComposer.java
View file

@ -177,9 +177,9 @@ public final class WordComposer {
*/
public void applyProcessedEvent(final Event event) {
mCombinerChain.applyProcessedEvent(event);
final int primaryCode = event.mCodePoint;
final int keyX = event.mX;
final int keyY = event.mY;
final int primaryCode = event.getMCodePoint();
final int keyX = event.getMX();
final int keyY = event.getMY();
final int newIndex = size();
refreshTypedWordCache();
mCursorPositionWithinWord = mCodePointSize;
@ -187,7 +187,7 @@ public final class WordComposer {
if (0 == mCodePointSize) {
mIsOnlyFirstCharCapitalized = false;
}
if (Constants.CODE_DELETE != event.mKeyCode) {
if (Constants.CODE_DELETE != event.getMKeyCode()) {
if (newIndex < MAX_WORD_LENGTH) {
// In the batch input mode, the {@code mInputPointers} holds batch input points and
// shouldn't be overridden by the "typed key" coordinates

132
app/src/main/java/org/dslul/openboard/inputmethod/latin/inputlogic/InputLogic.java
View file

@ -442,11 +442,11 @@ public final class InputLogic {
final InputTransaction inputTransaction = new InputTransaction(settingsValues,
processedEvent, SystemClock.uptimeMillis(), mSpaceState,
getActualCapsMode(settingsValues, keyboardShiftMode));
if (processedEvent.mKeyCode != Constants.CODE_DELETE
|| inputTransaction.mTimestamp > mLastKeyTime + Constants.LONG_PRESS_MILLISECONDS) {
if (processedEvent.getMKeyCode() != Constants.CODE_DELETE
|| inputTransaction.getMTimestamp() > mLastKeyTime + Constants.LONG_PRESS_MILLISECONDS) {
mDeleteCount = 0;
}
mLastKeyTime = inputTransaction.mTimestamp;
mLastKeyTime = inputTransaction.getMTimestamp();
mConnection.beginBatchEdit();
if (!mWordComposer.isComposingWord()) {
// TODO: is this useful? It doesn't look like it should be done here, but rather after
@ -455,7 +455,7 @@ public final class InputLogic {
}
// TODO: Consolidate the double-space period timer, mLastKeyTime, and the space state.
if (processedEvent.mCodePoint != Constants.CODE_SPACE) {
if (processedEvent.getMCodePoint() != Constants.CODE_SPACE) {
cancelDoubleSpacePeriodCountdown();
}
@ -469,21 +469,21 @@ public final class InputLogic {
} else {
handleNonFunctionalEvent(currentEvent, inputTransaction, handler);
}
currentEvent = currentEvent.mNextEvent;
currentEvent = currentEvent.getMNextEvent();
}
// Try to record the word being corrected when the user enters a word character or
// the backspace key.
if (!mConnection.hasSlowInputConnection() && !mWordComposer.isComposingWord()
&& (settingsValues.isWordCodePoint(processedEvent.mCodePoint) ||
processedEvent.mKeyCode == Constants.CODE_DELETE)) {
&& (settingsValues.isWordCodePoint(processedEvent.getMCodePoint()) ||
processedEvent.getMKeyCode() == Constants.CODE_DELETE)) {
mWordBeingCorrectedByCursor = getWordAtCursor(
settingsValues, currentKeyboardScriptId);
}
if (!inputTransaction.didAutoCorrect() && processedEvent.mKeyCode != Constants.CODE_SHIFT
&& processedEvent.mKeyCode != Constants.CODE_CAPSLOCK
&& processedEvent.mKeyCode != Constants.CODE_SWITCH_ALPHA_SYMBOL)
if (!inputTransaction.didAutoCorrect() && processedEvent.getMKeyCode() != Constants.CODE_SHIFT
&& processedEvent.getMKeyCode() != Constants.CODE_CAPSLOCK
&& processedEvent.getMKeyCode() != Constants.CODE_SWITCH_ALPHA_SYMBOL)
mLastComposedWord.deactivate();
if (Constants.CODE_DELETE != processedEvent.mKeyCode) {
if (Constants.CODE_DELETE != processedEvent.getMKeyCode()) {
mEnteredText = null;
}
mConnection.endBatchEdit();
@ -643,14 +643,14 @@ public final class InputLogic {
*/
private void handleFunctionalEvent(final Event event, final InputTransaction inputTransaction,
final int currentKeyboardScriptId, final LatinIME.UIHandler handler) {
switch (event.mKeyCode) {
switch (event.getMKeyCode()) {
case Constants.CODE_DELETE:
handleBackspaceEvent(event, inputTransaction, currentKeyboardScriptId);
// Backspace is a functional key, but it affects the contents of the editor.
inputTransaction.setDidAffectContents();
break;
case Constants.CODE_SHIFT:
performRecapitalization(inputTransaction.mSettingsValues);
performRecapitalization(inputTransaction.getMSettingsValues());
inputTransaction.requireShiftUpdate(InputTransaction.SHIFT_UPDATE_NOW);
if (mSuggestedWords.isPrediction()) {
inputTransaction.setRequiresUpdateSuggestions();
@ -694,14 +694,14 @@ public final class InputLogic {
break;
case Constants.CODE_SHIFT_ENTER:
final Event tmpEvent = Event.createSoftwareKeypressEvent(Constants.CODE_ENTER,
event.mKeyCode, event.mX, event.mY, event.isKeyRepeat());
event.getMKeyCode(), event.getMX(), event.getMY(), event.isKeyRepeat());
handleNonSpecialCharacterEvent(tmpEvent, inputTransaction, handler);
// Shift + Enter is treated as a functional key but it results in adding a new
// line, so that does affect the contents of the editor.
inputTransaction.setDidAffectContents();
break;
default:
throw new RuntimeException("Unknown key code : " + event.mKeyCode);
throw new RuntimeException("Unknown key code : " + event.getMKeyCode());
}
}
@ -718,7 +718,7 @@ public final class InputLogic {
final InputTransaction inputTransaction,
final LatinIME.UIHandler handler) {
inputTransaction.setDidAffectContents();
switch (event.mCodePoint) {
switch (event.getMCodePoint()) {
case Constants.CODE_ENTER:
final EditorInfo editorInfo = getCurrentInputEditorInfo();
final int imeOptionsActionId =
@ -762,26 +762,26 @@ public final class InputLogic {
private void handleNonSpecialCharacterEvent(final Event event,
final InputTransaction inputTransaction,
final LatinIME.UIHandler handler) {
final int codePoint = event.mCodePoint;
final int codePoint = event.getMCodePoint();
mSpaceState = SpaceState.NONE;
if (inputTransaction.mSettingsValues.isWordSeparator(codePoint)
if (inputTransaction.getMSettingsValues().isWordSeparator(codePoint)
|| Character.getType(codePoint) == Character.OTHER_SYMBOL) {
handleSeparatorEvent(event, inputTransaction, handler);
} else {
if (SpaceState.PHANTOM == inputTransaction.mSpaceState) {
if (SpaceState.PHANTOM == inputTransaction.getMSpaceState()) {
if (mWordComposer.isCursorFrontOrMiddleOfComposingWord()) {
// If we are in the middle of a recorrection, we need to commit the recorrection
// first so that we can insert the character at the current cursor position.
// We also need to unlearn the original word that is now being corrected.
unlearnWord(mWordComposer.getTypedWord(), inputTransaction.mSettingsValues,
unlearnWord(mWordComposer.getTypedWord(), inputTransaction.getMSettingsValues(),
Constants.EVENT_BACKSPACE);
resetEntireInputState(mConnection.getExpectedSelectionStart(),
mConnection.getExpectedSelectionEnd(), true /* clearSuggestionStrip */);
} else {
commitTyped(inputTransaction.mSettingsValues, LastComposedWord.NOT_A_SEPARATOR);
commitTyped(inputTransaction.getMSettingsValues(), LastComposedWord.NOT_A_SEPARATOR);
}
}
handleNonSeparatorEvent(event, inputTransaction.mSettingsValues, inputTransaction);
handleNonSeparatorEvent(event, inputTransaction.getMSettingsValues(), inputTransaction);
}
}
@ -793,7 +793,7 @@ public final class InputLogic {
*/
private void handleNonSeparatorEvent(final Event event, final SettingsValues settingsValues,
final InputTransaction inputTransaction) {
final int codePoint = event.mCodePoint;
final int codePoint = event.getMCodePoint();
// TODO: refactor this method to stop flipping isComposingWord around all the time, and
// make it shorter (possibly cut into several pieces). Also factor
// handleNonSpecialCharacterEvent which has the same name as other handle* methods but is
@ -802,7 +802,7 @@ public final class InputLogic {
// TODO: remove isWordConnector() and use isUsuallyFollowedBySpace() instead.
// See onStartBatchInput() to see how to do it.
if (SpaceState.PHANTOM == inputTransaction.mSpaceState
if (SpaceState.PHANTOM == inputTransaction.getMSpaceState()
&& !settingsValues.isWordConnector(codePoint)) {
if (isComposingWord) {
// Sanity check
@ -815,7 +815,7 @@ public final class InputLogic {
// If we are in the middle of a recorrection, we need to commit the recorrection
// first so that we can insert the character at the current cursor position.
// We also need to unlearn the original word that is now being corrected.
unlearnWord(mWordComposer.getTypedWord(), inputTransaction.mSettingsValues,
unlearnWord(mWordComposer.getTypedWord(), inputTransaction.getMSettingsValues(),
Constants.EVENT_BACKSPACE);
resetEntireInputState(mConnection.getExpectedSelectionStart(),
mConnection.getExpectedSelectionEnd(), true /* clearSuggestionStrip */);
@ -856,7 +856,7 @@ public final class InputLogic {
mWordComposer.applyProcessedEvent(event);
// If it's the first letter, make note of auto-caps state
if (mWordComposer.isSingleLetter()) {
mWordComposer.setCapitalizedModeAtStartComposingTime(inputTransaction.mShiftState);
mWordComposer.setCapitalizedModeAtStartComposingTime(inputTransaction.getMShiftState());
}
setComposingTextInternal(getTextWithUnderline(mWordComposer.getTypedWord()), 1);
} else {
@ -879,8 +879,8 @@ public final class InputLogic {
*/
private void handleSeparatorEvent(final Event event, final InputTransaction inputTransaction,
final LatinIME.UIHandler handler) {
final int codePoint = event.mCodePoint;
final SettingsValues settingsValues = inputTransaction.mSettingsValues;
final int codePoint = event.getMCodePoint();
final SettingsValues settingsValues = inputTransaction.getMSettingsValues();
final boolean wasComposingWord = mWordComposer.isComposingWord();
// We avoid sending spaces in languages without spaces if we were composing.
final boolean shouldAvoidSendingCode = Constants.CODE_SPACE == codePoint
@ -890,7 +890,7 @@ public final class InputLogic {
// If we are in the middle of a recorrection, we need to commit the recorrection
// first so that we can insert the separator at the current cursor position.
// We also need to unlearn the original word that is now being corrected.
unlearnWord(mWordComposer.getTypedWord(), inputTransaction.mSettingsValues,
unlearnWord(mWordComposer.getTypedWord(), inputTransaction.getMSettingsValues(),
Constants.EVENT_BACKSPACE);
resetEntireInputState(mConnection.getExpectedSelectionStart(),
mConnection.getExpectedSelectionEnd(), true /* clearSuggestionStrip */);
@ -915,7 +915,7 @@ public final class InputLogic {
&& mConnection.isInsideDoubleQuoteOrAfterDigit();
final boolean needsPrecedingSpace;
if (SpaceState.PHANTOM != inputTransaction.mSpaceState) {
if (SpaceState.PHANTOM != inputTransaction.getMSpaceState()) {
needsPrecedingSpace = false;
} else if (Constants.CODE_DOUBLE_QUOTE == codePoint) {
// Double quotes behave like they are usually preceded by space iff we are
@ -954,7 +954,7 @@ public final class InputLogic {
sendKeyCodePoint(settingsValues, codePoint);
}
} else {
if ((SpaceState.PHANTOM == inputTransaction.mSpaceState
if ((SpaceState.PHANTOM == inputTransaction.getMSpaceState()
&& settingsValues.isUsuallyFollowedBySpace(codePoint))
|| (Constants.CODE_DOUBLE_QUOTE == codePoint
&& isInsideDoubleQuoteOrAfterDigit)) {
@ -1008,7 +1008,7 @@ public final class InputLogic {
// If we are in the middle of a recorrection, we need to commit the recorrection
// first so that we can remove the character at the current cursor position.
// We also need to unlearn the original word that is now being corrected.
unlearnWord(mWordComposer.getTypedWord(), inputTransaction.mSettingsValues,
unlearnWord(mWordComposer.getTypedWord(), inputTransaction.getMSettingsValues(),
Constants.EVENT_BACKSPACE);
resetEntireInputState(mConnection.getExpectedSelectionStart(),
mConnection.getExpectedSelectionEnd(), true /* clearSuggestionStrip */);
@ -1020,7 +1020,7 @@ public final class InputLogic {
mWordComposer.reset();
mWordComposer.setRejectedBatchModeSuggestion(rejectedSuggestion);
if (!TextUtils.isEmpty(rejectedSuggestion)) {
unlearnWord(rejectedSuggestion, inputTransaction.mSettingsValues,
unlearnWord(rejectedSuggestion, inputTransaction.getMSettingsValues(),
Constants.EVENT_REJECTION);
}
StatsUtils.onBackspaceWordDelete(rejectedSuggestion.length());
@ -1037,7 +1037,7 @@ public final class InputLogic {
} else {
if (mLastComposedWord.canRevertCommit()) {
final String lastComposedWord = mLastComposedWord.mTypedWord;
revertCommit(inputTransaction, inputTransaction.mSettingsValues);
revertCommit(inputTransaction, inputTransaction.getMSettingsValues());
StatsUtils.onRevertAutoCorrect();
StatsUtils.onWordCommitUserTyped(lastComposedWord, mWordComposer.isBatchMode());
// Restart suggestions when backspacing into a reverted word. This is required for
@ -1046,12 +1046,12 @@ public final class InputLogic {
//
// Note: restartSuggestionsOnWordTouchedByCursor is already called for normal
// (non-revert) backspace handling.
if (inputTransaction.mSettingsValues.isSuggestionsEnabledPerUserSettings()
&& inputTransaction.mSettingsValues.mSpacingAndPunctuations
if (inputTransaction.getMSettingsValues().isSuggestionsEnabledPerUserSettings()
&& inputTransaction.getMSettingsValues().mSpacingAndPunctuations
.mCurrentLanguageHasSpaces
&& !mConnection.isCursorFollowedByWordCharacter(
inputTransaction.mSettingsValues.mSpacingAndPunctuations)) {
restartSuggestionsOnWordTouchedByCursor(inputTransaction.mSettingsValues,
inputTransaction.getMSettingsValues().mSpacingAndPunctuations)) {
restartSuggestionsOnWordTouchedByCursor(inputTransaction.getMSettingsValues(),
false /* forStartInput */, currentKeyboardScriptId);
}
return;
@ -1068,10 +1068,10 @@ public final class InputLogic {
// reverting any autocorrect at this point. So we can safely return.
return;
}
if (SpaceState.DOUBLE == inputTransaction.mSpaceState) {
if (SpaceState.DOUBLE == inputTransaction.getMSpaceState()) {
cancelDoubleSpacePeriodCountdown();
if (mConnection.revertDoubleSpacePeriod(
inputTransaction.mSettingsValues.mSpacingAndPunctuations)) {
inputTransaction.getMSettingsValues().mSpacingAndPunctuations)) {
// No need to reset mSpaceState, it has already be done (that's why we
// receive it as a parameter)
inputTransaction.setRequiresUpdateSuggestions();
@ -1080,7 +1080,7 @@ public final class InputLogic {
StatsUtils.onRevertDoubleSpacePeriod();
return;
}
} else if (SpaceState.SWAP_PUNCTUATION == inputTransaction.mSpaceState) {
} else if (SpaceState.SWAP_PUNCTUATION == inputTransaction.getMSpaceState()) {
if (mConnection.revertSwapPunctuation()) {
StatsUtils.onRevertSwapPunctuation();
// Likewise
@ -1097,7 +1097,7 @@ public final class InputLogic {
// We also need to unlearn the selected text.
final CharSequence selection = mConnection.getSelectedText(0 /* 0 for no styles */);
if (!TextUtils.isEmpty(selection)) {
unlearnWord(selection.toString(), inputTransaction.mSettingsValues,
unlearnWord(selection.toString(), inputTransaction.getMSettingsValues(),
Constants.EVENT_BACKSPACE);
hasUnlearnedWordBeingDeleted = true;
}
@ -1109,8 +1109,8 @@ public final class InputLogic {
StatsUtils.onBackspaceSelectedText(numCharsDeleted);
} else {
// There is no selection, just delete one character.
if (inputTransaction.mSettingsValues.isBeforeJellyBean()
|| inputTransaction.mSettingsValues.mInputAttributes.isTypeNull()
if (inputTransaction.getMSettingsValues().isBeforeJellyBean()
|| inputTransaction.getMSettingsValues().mInputAttributes.isTypeNull()
|| Constants.NOT_A_CURSOR_POSITION
== mConnection.getExpectedSelectionEnd()) {
// There are three possible reasons to send a key event: either the field has
@ -1131,7 +1131,7 @@ public final class InputLogic {
// consider unlearning here because we may have already reached
// the previous word, and will lose it after next deletion.
hasUnlearnedWordBeingDeleted |= unlearnWordBeingDeleted(
inputTransaction.mSettingsValues, currentKeyboardScriptId);
inputTransaction.getMSettingsValues(), currentKeyboardScriptId);
sendDownUpKeyEvent(KeyEvent.KEYCODE_DEL);
totalDeletedLength++;
}
@ -1158,7 +1158,7 @@ public final class InputLogic {
// consider unlearning here because we may have already reached
// the previous word, and will lose it after next deletion.
hasUnlearnedWordBeingDeleted |= unlearnWordBeingDeleted(
inputTransaction.mSettingsValues, currentKeyboardScriptId);
inputTransaction.getMSettingsValues(), currentKeyboardScriptId);
final int codePointBeforeCursorToDeleteAgain =
mConnection.getCodePointBeforeCursor();
if (codePointBeforeCursorToDeleteAgain != Constants.NOT_A_CODE) {
@ -1174,16 +1174,16 @@ public final class InputLogic {
if (!hasUnlearnedWordBeingDeleted) {
// Consider unlearning the word being deleted (if we have not done so already).
unlearnWordBeingDeleted(
inputTransaction.mSettingsValues, currentKeyboardScriptId);
inputTransaction.getMSettingsValues(), currentKeyboardScriptId);
}
if (mConnection.hasSlowInputConnection()) {
mSuggestionStripViewAccessor.setNeutralSuggestionStrip();
} else if (inputTransaction.mSettingsValues.isSuggestionsEnabledPerUserSettings()
&& inputTransaction.mSettingsValues.mSpacingAndPunctuations
} else if (inputTransaction.getMSettingsValues().isSuggestionsEnabledPerUserSettings()
&& inputTransaction.getMSettingsValues().mSpacingAndPunctuations
.mCurrentLanguageHasSpaces
&& !mConnection.isCursorFollowedByWordCharacter(
inputTransaction.mSettingsValues.mSpacingAndPunctuations)) {
restartSuggestionsOnWordTouchedByCursor(inputTransaction.mSettingsValues,
inputTransaction.getMSettingsValues().mSpacingAndPunctuations)) {
restartSuggestionsOnWordTouchedByCursor(inputTransaction.getMSettingsValues(),
false /* forStartInput */, currentKeyboardScriptId);
}
}
@ -1272,20 +1272,20 @@ public final class InputLogic {
*/
private boolean tryStripSpaceAndReturnWhetherShouldSwapInstead(final Event event,
final InputTransaction inputTransaction) {
final int codePoint = event.mCodePoint;
final int codePoint = event.getMCodePoint();
final boolean isFromSuggestionStrip = event.isSuggestionStripPress();
if (Constants.CODE_ENTER == codePoint &&
SpaceState.SWAP_PUNCTUATION == inputTransaction.mSpaceState) {
SpaceState.SWAP_PUNCTUATION == inputTransaction.getMSpaceState()) {
mConnection.removeTrailingSpace();
return false;
}
if ((SpaceState.WEAK == inputTransaction.mSpaceState
|| SpaceState.SWAP_PUNCTUATION == inputTransaction.mSpaceState)
if ((SpaceState.WEAK == inputTransaction.getMSpaceState()
|| SpaceState.SWAP_PUNCTUATION == inputTransaction.getMSpaceState())
&& isFromSuggestionStrip) {
if (inputTransaction.mSettingsValues.isUsuallyPrecededBySpace(codePoint)) {
if (inputTransaction.getMSettingsValues().isUsuallyPrecededBySpace(codePoint)) {
return false;
}
if (inputTransaction.mSettingsValues.isUsuallyFollowedBySpace(codePoint)) {
if (inputTransaction.getMSettingsValues().isUsuallyFollowedBySpace(codePoint)) {
return true;
}
mConnection.removeTrailingSpace();
@ -1294,7 +1294,7 @@ public final class InputLogic {
}
public void startDoubleSpacePeriodCountdown(final InputTransaction inputTransaction) {
mDoubleSpacePeriodCountdownStart = inputTransaction.mTimestamp;
mDoubleSpacePeriodCountdownStart = inputTransaction.getMTimestamp();
}
public void cancelDoubleSpacePeriodCountdown() {
@ -1302,8 +1302,8 @@ public final class InputLogic {
}
public boolean isDoubleSpacePeriodCountdownActive(final InputTransaction inputTransaction) {
return inputTransaction.mTimestamp - mDoubleSpacePeriodCountdownStart
< inputTransaction.mSettingsValues.mDoubleSpacePeriodTimeout;
return inputTransaction.getMTimestamp() - mDoubleSpacePeriodCountdownStart
< inputTransaction.getMSettingsValues().mDoubleSpacePeriodTimeout;
}
/**
@ -1326,8 +1326,8 @@ public final class InputLogic {
final InputTransaction inputTransaction) {
// Check the setting, the typed character and the countdown. If any of the conditions is
// not fulfilled, return false.
if (!inputTransaction.mSettingsValues.mUseDoubleSpacePeriod
|| Constants.CODE_SPACE != event.mCodePoint
if (!inputTransaction.getMSettingsValues().mUseDoubleSpacePeriod
|| Constants.CODE_SPACE != event.getMCodePoint()
|| !isDoubleSpacePeriodCountdownActive(inputTransaction)) {
return false;
}
@ -1348,7 +1348,7 @@ public final class InputLogic {
if (canBeFollowedByDoubleSpacePeriod(firstCodePoint)) {
cancelDoubleSpacePeriodCountdown();
mConnection.deleteTextBeforeCursor(1);
final String textToInsert = inputTransaction.mSettingsValues.mSpacingAndPunctuations
final String textToInsert = inputTransaction.getMSettingsValues().mSpacingAndPunctuations
.mSentenceSeparatorAndSpace;
mConnection.commitText(textToInsert, 1);
inputTransaction.requireShiftUpdate(InputTransaction.SHIFT_UPDATE_NOW);
@ -1662,7 +1662,7 @@ public final class InputLogic {
}
mConnection.deleteTextBeforeCursor(deleteLength);
if (!TextUtils.isEmpty(committedWord)) {
unlearnWord(committedWordString, inputTransaction.mSettingsValues,
unlearnWord(committedWordString, inputTransaction.getMSettingsValues(),
Constants.EVENT_REVERT);
}
final String stringToCommit = originallyTypedWord +
@ -1696,13 +1696,13 @@ public final class InputLogic {
}
// Add the suggestion list to the list of suggestions.
textToCommit.setSpan(new SuggestionSpan(mLatinIME /* context */,
inputTransaction.mSettingsValues.mLocale,
inputTransaction.getMSettingsValues().mLocale,
suggestions.toArray(new String[suggestions.size()]), 0 /* flags */,
null /* notificationTargetClass */),
0 /* start */, lastCharIndex /* end */, 0 /* flags */);
}
if (inputTransaction.mSettingsValues.mSpacingAndPunctuations.mCurrentLanguageHasSpaces) {
if (inputTransaction.getMSettingsValues().mSpacingAndPunctuations.mCurrentLanguageHasSpaces) {
mConnection.commitText(textToCommit, 1);
if (usePhantomSpace) {
mSpaceState = SpaceState.PHANTOM;