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Merge "Implement CandidateView using HorizontalScrollView"

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Tadashi G. Takaoka 2010-12-07 23:56:10 -08:00 committed by Android (Google) Code Review
parent e1c216a1a3 e49bd1c43a
commit 2fcaaaad8c
14 changed files with 268 additions and 387 deletions
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29
java/res/drawable/btn_candidate.xml Normal file
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@ -0,0 +1,29 @@
<?xml version="1.0" encoding="utf-8"?>
<!--
/*
**
** Copyright 2010, 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.
*/
-->
<selector
xmlns:android="http://schemas.android.com/apk/res/android"
>
<item
android:state_pressed="true"
android:drawable="@drawable/btn_candidate_pressed" />
<item
android:drawable="@drawable/btn_candidate_normal" />
</selector>

49
java/res/layout/candidate.xml Normal file
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@ -0,0 +1,49 @@
<?xml version="1.0" encoding="utf-8"?>
<!--
/*
**
** Copyright 2010, 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.
*/
-->
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="@dimen/candidate_strip_height"
android:orientation="horizontal"
>
<ImageView
android:id="@+id/candidate_divider"
android:layout_width="wrap_content"
android:layout_height="@dimen/candidate_strip_height"
android:visibility="gone"
android:focusable="false"
android:clickable="false"
android:src="@drawable/keyboard_suggest_strip_divider"
android:gravity="center_vertical|center_horizontal" />
<Button
android:id="@+id/candidate_word"
android:layout_width="wrap_content"
android:layout_height="@dimen/candidate_strip_height"
android:minWidth="@dimen/candidate_min_touchable_width"
android:textSize="@dimen/candidate_text_size"
android:textColor="@color/candidate_normal"
android:background="@drawable/btn_candidate"
android:focusable="true"
android:clickable="true"
android:gravity="center_vertical|center_horizontal"
android:paddingLeft="12dip"
android:paddingRight="12dip" />
</LinearLayout>

51
java/res/layout/candidates.xml
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@ -1,38 +1,45 @@
<?xml version="1.0" encoding="utf-8"?>
<!--
/*
/*
**
** Copyright 2008, The Android Open Source Project
** Copyright 2010, 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
** 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
** 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
** 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.
*/
-->
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="@dimen/candidate_strip_height"
android:background="@drawable/keyboard_suggest_strip"
>
<com.android.inputmethod.latin.CandidateView
android:id="@+id/candidates"
xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="@dimen/candidate_strip_height"
android:background="@drawable/keyboard_suggest_strip"
android:paddingRight="@dimen/candidate_strip_padding"
android:paddingLeft="@dimen/candidate_strip_padding"
>
<HorizontalScrollView
android:id="@+id/candidates_scroll_view"
android:layout_width="wrap_content"
android:layout_height="@dimen/candidate_strip_height"
android:layout_weight="1"
android:fadingEdge="horizontal"
android:fadingEdgeLength="@dimen/candidate_strip_fading_edge_length"
/>
android:scrollbars="none"
>
<com.android.inputmethod.latin.CandidateView
android:id="@+id/candidates"
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="@dimen/candidate_strip_height"
android:background="@drawable/keyboard_suggest_strip" />
</HorizontalScrollView>
</LinearLayout>

1
java/res/values-xlarge-land/dimens.xml
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@ -22,4 +22,5 @@
<dimen name="key_label_text_size">18dip</dimen>
<!-- left or right padding of label alignment -->
<dimen name="key_label_horizontal_alignment_padding">18dip</dimen>
<dimen name="candidate_strip_padding">40.0mm</dimen>
</resources>

1
java/res/values-xlarge/bools.xml
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@ -22,4 +22,5 @@
<bool name="default_popup_preview">false</bool>
<bool name="config_enable_show_settings_key_option">false</bool>
<bool name="config_enable_show_voice_key_option">false</bool>
<bool name="config_candidate_highlight_font_color_enabled">false</bool>
</resources>

4
java/res/values-xlarge/dimens.xml
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@ -40,5 +40,7 @@
<!-- left or right padding of label alignment -->
<dimen name="key_label_horizontal_alignment_padding">4dip</dimen>
<dimen name="candidate_strip_height">46dip</dimen>
<dimen name="candidate_strip_height">56dip</dimen>
<dimen name="candidate_strip_padding">15.0mm</dimen>
<dimen name="candidate_text_size">22dip</dimen>
</resources>

1
java/res/values/bools.xml
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@ -32,4 +32,5 @@
<bool name="config_long_press_comma_for_settings_enabled">true</bool>
<bool name="config_enable_show_settings_key_option">true</bool>
<bool name="config_enable_show_voice_key_option">true</bool>
<bool name="config_candidate_highlight_font_color_enabled">true</bool>
</resources>

2
java/res/values/dimens.xml
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@ -46,6 +46,8 @@
<dimen name="candidate_strip_height">42dip</dimen>
<dimen name="candidate_strip_fading_edge_length">63dip</dimen>
<dimen name="candidate_strip_padding">0dip</dimen>
<dimen name="candidate_text_size">18dip</dimen>
<dimen name="spacebar_vertical_correction">4dip</dimen>
<!-- If the screen height in landscape is larger than the below value, then the keyboard
will not go into extract (fullscreen) mode. -->

497
java/src/com/android/inputmethod/latin/CandidateView.java
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@ -1,12 +1,12 @@
/*
* Copyright (C) 2008 The Android Open Source Project
*
* Copyright (C) 2010 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
@ -18,75 +18,55 @@ package com.android.inputmethod.latin;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Paint.Align;
import android.graphics.Rect;
import android.graphics.Typeface;
import android.graphics.drawable.Drawable;
import android.os.Handler;
import android.os.Message;
import android.text.TextUtils;
import android.util.AttributeSet;
import android.view.GestureDetector;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup.LayoutParams;
import android.view.View.OnClickListener;
import android.view.View.OnLongClickListener;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.PopupWindow;
import android.widget.TextView;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
public class CandidateView extends View {
private static final int OUT_OF_BOUNDS_WORD_INDEX = -1;
private static final int OUT_OF_BOUNDS_X_COORD = -1;
public class CandidateView extends LinearLayout implements OnClickListener, OnLongClickListener {
private LatinIME mService;
private final ArrayList<CharSequence> mSuggestions = new ArrayList<CharSequence>();
private boolean mShowingCompletions;
private CharSequence mSelectedString;
private int mSelectedIndex;
private int mTouchX = OUT_OF_BOUNDS_X_COORD;
private final Drawable mSelectionHighlight;
private boolean mTypedWordValid;
private boolean mHaveMinimalSuggestion;
private Rect mBgPadding;
private final ArrayList<View> mWords = new ArrayList<View>();
private final TextView mPreviewText;
private final PopupWindow mPreviewPopup;
private int mCurrentWordIndex;
private Drawable mDivider;
private static final int MAX_SUGGESTIONS = 32;
private static final int SCROLL_PIXELS = 20;
private final int[] mWordWidth = new int[MAX_SUGGESTIONS];
private final int[] mWordX = new int[MAX_SUGGESTIONS];
private int mPopupPreviewX;
private int mPopupPreviewY;
private static final int MAX_SUGGESTIONS = 16;
private static final int X_GAP = 10;
private final boolean mConfigCandidateHighlightFontColorEnabled;
private final int mColorNormal;
private final int mColorRecommended;
private final int mColorOther;
private final Paint mPaint;
private final int mDescent;
private boolean mScrolled;
private boolean mShowingCompletions;
private boolean mShowingAddToDictionary;
private CharSequence mAddToDictionaryHint;
private int mTargetScrollX;
private final int mMinTouchableWidth;
private int mTotalWidth;
private final GestureDetector mGestureDetector;
private static final long DELAY_HIDE_PREVIEW = 1000;
private static final int MSG_HIDE_PREVIEW = 0;
private final Handler mHandler = new Handler() {
@Override
public void dispatchMessage(Message msg) {
switch (msg.what) {
case MSG_HIDE_PREVIEW:
hidePreview();
break;
}
}
};
/**
* Construct a CandidateView for showing suggested words for completion.
@ -95,97 +75,37 @@ public class CandidateView extends View {
*/
public CandidateView(Context context, AttributeSet attrs) {
super(context, attrs);
mSelectionHighlight = context.getResources().getDrawable(
R.drawable.list_selector_background_pressed);
LayoutInflater inflate =
(LayoutInflater) context
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
Resources res = context.getResources();
mPreviewPopup = new PopupWindow(context);
mPreviewText = (TextView) inflate.inflate(R.layout.candidate_preview, null);
LayoutInflater inflater = LayoutInflater.from(context);
mPreviewText = (TextView) inflater.inflate(R.layout.candidate_preview, null);
mPreviewPopup.setWindowLayoutMode(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
mPreviewPopup.setContentView(mPreviewText);
mPreviewPopup.setBackgroundDrawable(null);
mPreviewPopup.setAnimationStyle(R.style.KeyPreviewAnimation);
mConfigCandidateHighlightFontColorEnabled =
res.getBoolean(R.bool.config_candidate_highlight_font_color_enabled);
mColorNormal = res.getColor(R.color.candidate_normal);
mColorRecommended = res.getColor(R.color.candidate_recommended);
mColorOther = res.getColor(R.color.candidate_other);
mDivider = res.getDrawable(R.drawable.keyboard_suggest_strip_divider);
mAddToDictionaryHint = res.getString(R.string.hint_add_to_dictionary);
mPaint = new Paint();
mPaint.setColor(mColorNormal);
mPaint.setAntiAlias(true);
mPaint.setTextSize(mPreviewText.getTextSize());
mPaint.setStrokeWidth(0);
mPaint.setTextAlign(Align.CENTER);
mDescent = (int) mPaint.descent();
mMinTouchableWidth = (int)res.getDimension(R.dimen.candidate_min_touchable_width);
mGestureDetector = new GestureDetector(
new CandidateStripGestureListener(mMinTouchableWidth));
setWillNotDraw(false);
setHorizontalScrollBarEnabled(false);
setVerticalScrollBarEnabled(false);
for (int i = 0; i < MAX_SUGGESTIONS; i++) {
View v = inflater.inflate(R.layout.candidate, null);
TextView tv = (TextView)v.findViewById(R.id.candidate_word);
tv.setTag(i);
tv.setOnClickListener(this);
if (i == 0)
tv.setOnLongClickListener(this);
ImageView divider = (ImageView)v.findViewById(R.id.candidate_divider);
// Do not display divider of first candidate.
divider.setVisibility(i == 0 ? View.GONE : View.VISIBLE);
mWords.add(v);
}
scrollTo(0, getScrollY());
}
private class CandidateStripGestureListener extends GestureDetector.SimpleOnGestureListener {
private final int mTouchSlopSquare;
public CandidateStripGestureListener(int touchSlop) {
// Slightly reluctant to scroll to be able to easily choose the suggestion
mTouchSlopSquare = touchSlop * touchSlop;
}
@Override
public void onLongPress(MotionEvent me) {
if (mSuggestions.size() > 0) {
if (me.getX() + getScrollX() < mWordWidth[0] && getScrollX() < 10) {
longPressFirstWord();
}
}
}
@Override
public boolean onDown(MotionEvent e) {
mScrolled = false;
return false;
}
@Override
public boolean onScroll(MotionEvent e1, MotionEvent e2,
float distanceX, float distanceY) {
if (!mScrolled) {
// This is applied only when we recognize that scrolling is starting.
final int deltaX = (int) (e2.getX() - e1.getX());
final int deltaY = (int) (e2.getY() - e1.getY());
final int distance = (deltaX * deltaX) + (deltaY * deltaY);
if (distance < mTouchSlopSquare) {
return true;
}
mScrolled = true;
}
final int width = getWidth();
mScrolled = true;
int scrollX = getScrollX();
scrollX += (int) distanceX;
if (scrollX < 0) {
scrollX = 0;
}
if (distanceX > 0 && scrollX + width > mTotalWidth) {
scrollX -= (int) distanceX;
}
mTargetScrollX = scrollX;
scrollTo(scrollX, getScrollY());
hidePreview();
invalidate();
return true;
}
}
/**
* A connection back to the service to communicate with the text field
* @param listener
@ -193,126 +113,7 @@ public class CandidateView extends View {
public void setService(LatinIME listener) {
mService = listener;
}
@Override
public int computeHorizontalScrollRange() {
return mTotalWidth;
}
/**
* If the canvas is null, then only touch calculations are performed to pick the target
* candidate.
*/
@Override
protected void onDraw(Canvas canvas) {
if (canvas != null) {
super.onDraw(canvas);
}
mTotalWidth = 0;
final int height = getHeight();
if (mBgPadding == null) {
mBgPadding = new Rect(0, 0, 0, 0);
if (getBackground() != null) {
getBackground().getPadding(mBgPadding);
}
mDivider.setBounds(0, 0, mDivider.getIntrinsicWidth(),
mDivider.getIntrinsicHeight());
}
final int count = mSuggestions.size();
final Rect bgPadding = mBgPadding;
final Paint paint = mPaint;
final int touchX = mTouchX;
final int scrollX = getScrollX();
final boolean scrolled = mScrolled;
final boolean typedWordValid = mTypedWordValid;
final int y = (int) (height + mPaint.getTextSize() - mDescent) / 2;
boolean existsAutoCompletion = false;
int x = 0;
for (int i = 0; i < count; i++) {
CharSequence suggestion = mSuggestions.get(i);
if (suggestion == null) continue;
final int wordLength = suggestion.length();
paint.setColor(mColorNormal);
if (mHaveMinimalSuggestion
&& ((i == 1 && !typedWordValid) || (i == 0 && typedWordValid))) {
paint.setTypeface(Typeface.DEFAULT_BOLD);
paint.setColor(mColorRecommended);
existsAutoCompletion = true;
} else if (i != 0 || (wordLength == 1 && count > 1)) {
// HACK: even if i == 0, we use mColorOther when this suggestion's length is 1 and
// there are multiple suggestions, such as the default punctuation list.
paint.setColor(mColorOther);
}
int wordWidth;
if ((wordWidth = mWordWidth[i]) == 0) {
float textWidth = paint.measureText(suggestion, 0, wordLength);
wordWidth = Math.max(mMinTouchableWidth, (int) textWidth + X_GAP * 2);
mWordWidth[i] = wordWidth;
}
mWordX[i] = x;
if (touchX != OUT_OF_BOUNDS_X_COORD && !scrolled
&& touchX + scrollX >= x && touchX + scrollX < x + wordWidth) {
if (canvas != null && !mShowingAddToDictionary) {
canvas.translate(x, 0);
mSelectionHighlight.setBounds(0, bgPadding.top, wordWidth, height);
mSelectionHighlight.draw(canvas);
canvas.translate(-x, 0);
}
mSelectedString = suggestion;
mSelectedIndex = i;
}
if (canvas != null) {
canvas.drawText(suggestion, 0, wordLength, x + wordWidth / 2, y, paint);
paint.setColor(mColorOther);
canvas.translate(x + wordWidth, 0);
// Draw a divider unless it's after the hint
if (!(mShowingAddToDictionary && i == 1)) {
mDivider.draw(canvas);
}
canvas.translate(-x - wordWidth, 0);
}
paint.setTypeface(Typeface.DEFAULT);
x += wordWidth;
}
mService.onAutoCompletionStateChanged(existsAutoCompletion);
mTotalWidth = x;
if (mTargetScrollX != scrollX) {
scrollToTarget();
}
}
private void scrollToTarget() {
int scrollX = getScrollX();
if (mTargetScrollX > scrollX) {
scrollX += SCROLL_PIXELS;
if (scrollX >= mTargetScrollX) {
scrollX = mTargetScrollX;
scrollTo(scrollX, getScrollY());
requestLayout();
} else {
scrollTo(scrollX, getScrollY());
}
} else {
scrollX -= SCROLL_PIXELS;
if (scrollX <= mTargetScrollX) {
scrollX = mTargetScrollX;
scrollTo(scrollX, getScrollY());
requestLayout();
} else {
scrollTo(scrollX, getScrollY());
}
}
invalidate();
}
public void setSuggestions(List<CharSequence> suggestions, boolean completions,
boolean typedWordValid, boolean haveMinimalSuggestion) {
clear();
@ -324,14 +125,44 @@ public class CandidateView extends View {
break;
}
}
final int count = mSuggestions.size();
boolean existsAutoCompletion = false;
for (int i = 0; i < count; i++) {
CharSequence suggestion = mSuggestions.get(i);
if (suggestion == null) continue;
final int wordLength = suggestion.length();
View v = mWords.get(i);
TextView tv = (TextView)v.findViewById(R.id.candidate_word);
tv.setTypeface(Typeface.DEFAULT);
tv.setTextColor(mColorNormal);
if (mConfigCandidateHighlightFontColorEnabled) {
if (haveMinimalSuggestion
&& ((i == 1 && !typedWordValid) || (i == 0 && typedWordValid))) {
tv.setTypeface(Typeface.DEFAULT_BOLD);
tv.setTextColor(mColorRecommended);
existsAutoCompletion = true;
} else if (i != 0 || (wordLength == 1 && count > 1)) {
// HACK: even if i == 0, we use mColorOther when this suggestion's length is 1
// and there are multiple suggestions, such as the default punctuation list.
tv.setTextColor(mColorOther);
}
} else {
// TODO: Display underline for the auto-correction word
}
tv.setText(suggestion);
tv.setClickable(true);
addView(v);
}
mShowingCompletions = completions;
mTypedWordValid = typedWordValid;
// TODO: Move this call back to LatinIME
if (mConfigCandidateHighlightFontColorEnabled)
mService.onAutoCompletionStateChanged(existsAutoCompletion);
scrollTo(0, getScrollY());
mTargetScrollX = 0;
mHaveMinimalSuggestion = haveMinimalSuggestion;
// Compute the total width
onDraw(null);
invalidate();
requestLayout();
}
@ -342,9 +173,12 @@ public class CandidateView extends View {
public void showAddToDictionaryHint(CharSequence word) {
ArrayList<CharSequence> suggestions = new ArrayList<CharSequence>();
suggestions.add(word);
suggestions.add(mAddToDictionaryHint);
suggestions.add(getContext().getText(R.string.hint_add_to_dictionary));
setSuggestions(suggestions, false, false, false);
mShowingAddToDictionary = true;
// Disable R.string.hint_add_to_dictionary button
TextView tv = (TextView)getChildAt(1).findViewById(R.id.candidate_word);
tv.setClickable(false);
}
public boolean dismissAddToDictionaryHint() {
@ -361,127 +195,72 @@ public class CandidateView extends View {
// Don't call mSuggestions.clear() because it's being used for logging
// in LatinIME.pickSuggestionManually().
mSuggestions.clear();
mTouchX = OUT_OF_BOUNDS_X_COORD;
mSelectedString = null;
mSelectedIndex = -1;
mShowingAddToDictionary = false;
invalidate();
Arrays.fill(mWordWidth, 0);
Arrays.fill(mWordX, 0);
}
@Override
public boolean onTouchEvent(MotionEvent me) {
if (mGestureDetector.onTouchEvent(me)) {
return true;
}
int action = me.getAction();
int x = (int) me.getX();
int y = (int) me.getY();
mTouchX = x;
switch (action) {
case MotionEvent.ACTION_DOWN:
invalidate();
break;
case MotionEvent.ACTION_MOVE:
if (y <= 0) {
// Fling up!?
if (mSelectedString != null) {
// If there are completions from the application, we don't change the state to
// STATE_PICKED_SUGGESTION
if (!mShowingCompletions) {
// This "acceptedSuggestion" will not be counted as a word because
// it will be counted in pickSuggestion instead.
TextEntryState.acceptedSuggestion(mSuggestions.get(0),
mSelectedString);
}
mService.pickSuggestionManually(mSelectedIndex, mSelectedString);
mSelectedString = null;
mSelectedIndex = -1;
}
}
break;
case MotionEvent.ACTION_UP:
if (!mScrolled) {
if (mSelectedString != null) {
if (mShowingAddToDictionary) {
longPressFirstWord();
clear();
} else {
if (!mShowingCompletions) {
TextEntryState.acceptedSuggestion(mSuggestions.get(0),
mSelectedString);
}
mService.pickSuggestionManually(mSelectedIndex, mSelectedString);
}
}
}
mSelectedString = null;
mSelectedIndex = -1;
requestLayout();
hidePreview();
invalidate();
break;
}
return true;
removeAllViews();
}
private void hidePreview() {
mTouchX = OUT_OF_BOUNDS_X_COORD;
mCurrentWordIndex = OUT_OF_BOUNDS_WORD_INDEX;
mPreviewPopup.dismiss();
}
private void showPreview(int wordIndex, String altText) {
int oldWordIndex = mCurrentWordIndex;
mCurrentWordIndex = wordIndex;
// If index changed or changing text
if (oldWordIndex != mCurrentWordIndex || altText != null) {
if (wordIndex == OUT_OF_BOUNDS_WORD_INDEX) {
hidePreview();
} else {
CharSequence word = altText != null? altText : mSuggestions.get(wordIndex);
mPreviewText.setText(word);
mPreviewText.measure(MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED),
MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED));
int wordWidth = (int) (mPaint.measureText(word, 0, word.length()) + X_GAP * 2);
final int popupWidth = wordWidth
+ mPreviewText.getPaddingLeft() + mPreviewText.getPaddingRight();
final int popupHeight = mPreviewText.getMeasuredHeight();
//mPreviewText.setVisibility(INVISIBLE);
mPopupPreviewX = mWordX[wordIndex] - mPreviewText.getPaddingLeft() - getScrollX()
+ (mWordWidth[wordIndex] - wordWidth) / 2;
mPopupPreviewY = - popupHeight;
int [] offsetInWindow = new int[2];
getLocationInWindow(offsetInWindow);
if (mPreviewPopup.isShowing()) {
mPreviewPopup.update(mPopupPreviewX, mPopupPreviewY + offsetInWindow[1],
popupWidth, popupHeight);
} else {
mPreviewPopup.setWidth(popupWidth);
mPreviewPopup.setHeight(popupHeight);
mPreviewPopup.showAtLocation(this, Gravity.NO_GRAVITY, mPopupPreviewX,
mPopupPreviewY + offsetInWindow[1]);
}
mPreviewText.setVisibility(VISIBLE);
}
private void showPreview(int index, CharSequence word) {
if (TextUtils.isEmpty(word))
return;
final TextView previewText = mPreviewText;
previewText.setText(word);
previewText.measure(MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED),
MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED));
View v = getChildAt(index);
final int[] offsetInWindow = new int[2];
v.getLocationInWindow(offsetInWindow);
final int posX = offsetInWindow[0];
final int posY = offsetInWindow[1] - previewText.getMeasuredHeight();
final PopupWindow previewPopup = mPreviewPopup;
if (previewPopup.isShowing()) {
previewPopup.update(posX, posY, previewPopup.getWidth(), previewPopup.getHeight());
} else {
previewPopup.showAtLocation(this, Gravity.NO_GRAVITY, posX, posY);
}
previewText.setVisibility(VISIBLE);
mHandler.sendMessageDelayed(
mHandler.obtainMessage(MSG_HIDE_PREVIEW), DELAY_HIDE_PREVIEW);
}
private void addToDictionary(CharSequence word) {
if (mService.addWordToDictionary(word.toString())) {
showPreview(0, getContext().getString(R.string.added_word, word));
}
}
private void longPressFirstWord() {
CharSequence word = mSuggestions.get(0);
if (word.length() < 2) return;
if (mService.addWordToDictionary(word.toString())) {
showPreview(0, getContext().getResources().getString(R.string.added_word, word));
@Override
public boolean onLongClick(View view) {
int index = (Integer) view.getTag();
CharSequence word = mSuggestions.get(index);
if (word.length() < 2)
return false;
addToDictionary(word);
return true;
}
@Override
public void onClick(View view) {
int index = (Integer) view.getTag();
CharSequence word = mSuggestions.get(index);
if (mShowingAddToDictionary && index == 0) {
addToDictionary(word);
} else {
if (!mShowingCompletions) {
TextEntryState.acceptedSuggestion(mSuggestions.get(0), word);
}
mService.pickSuggestionManually(index, word);
}
}
@Override
public void onDetachedFromWindow() {
super.onDetachedFromWindow();
mHandler.removeMessages(MSG_HIDE_PREVIEW);
hidePreview();
}
}

20
java/src/com/android/inputmethod/latin/LatinIME.java
View File

@ -51,8 +51,10 @@ import android.util.DisplayMetrics;
import android.util.Log;
import android.util.PrintWriterPrinter;
import android.util.Printer;
import android.view.Gravity;
import android.view.HapticFeedbackConstants;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewParent;
@ -65,6 +67,7 @@ import android.view.inputmethod.ExtractedTextRequest;
import android.view.inputmethod.InputConnection;
import android.view.inputmethod.InputMethodManager;
import android.view.inputmethod.InputMethodSubtype;
import android.widget.HorizontalScrollView;
import android.widget.LinearLayout;
import java.io.FileDescriptor;
@ -127,7 +130,7 @@ public class LatinIME extends InputMethodService
SUGGESTION_VISIBILILTY_HIDE_VALUE
};
private LinearLayout mCandidateViewContainer;
private View mCandidateViewContainer;
private CandidateView mCandidateView;
private Suggest mSuggest;
private CompletionInfo[] mCompletions;
@ -496,12 +499,19 @@ public class LatinIME extends InputMethodService
@Override
public View onCreateCandidatesView() {
mCandidateViewContainer = (LinearLayout) getLayoutInflater().inflate(
R.layout.candidates, null);
mCandidateView = (CandidateView) mCandidateViewContainer.findViewById(R.id.candidates);
LayoutInflater inflater = getLayoutInflater();
LinearLayout container = (LinearLayout)inflater.inflate(R.layout.candidates, null);
mCandidateViewContainer = container;
if (container.getPaddingRight() != 0) {
HorizontalScrollView scrollView =
(HorizontalScrollView) container.findViewById(R.id.candidates_scroll_view);
scrollView.setOverScrollMode(View.OVER_SCROLL_NEVER);
container.setGravity(Gravity.CENTER_HORIZONTAL);
}
mCandidateView = (CandidateView) container.findViewById(R.id.candidates);
mCandidateView.setService(this);
setCandidatesViewShown(true);
return mCandidateViewContainer;
return container;
}
private static boolean isPasswordVariation(int variation) {