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-rw-r--r--java/src/com/android/inputmethod/latin/CandidateView.java130
1 files changed, 103 insertions, 27 deletions
diff --git a/java/src/com/android/inputmethod/latin/CandidateView.java b/java/src/com/android/inputmethod/latin/CandidateView.java
index 313555daa..a5bfea0f8 100644
--- a/java/src/com/android/inputmethod/latin/CandidateView.java
+++ b/java/src/com/android/inputmethod/latin/CandidateView.java
@@ -25,11 +25,11 @@ import android.os.Message;
import android.text.Spannable;
import android.text.SpannableString;
import android.text.Spanned;
+import android.text.TextPaint;
import android.text.TextUtils;
import android.text.style.BackgroundColorSpan;
import android.text.style.CharacterStyle;
import android.text.style.ForegroundColorSpan;
-import android.text.style.StyleSpan;
import android.text.style.UnderlineSpan;
import android.util.AttributeSet;
import android.view.Gravity;
@@ -57,15 +57,15 @@ public class CandidateView extends LinearLayout implements OnClickListener, OnLo
public void pickSuggestionManually(int index, CharSequence word);
}
- private static final CharacterStyle BOLD_SPAN = new StyleSpan(Typeface.BOLD);
private static final CharacterStyle UNDERLINE_SPAN = new UnderlineSpan();
// The maximum number of suggestions available. See {@link Suggest#mPrefMaxSuggestions}.
private static final int MAX_SUGGESTIONS = 18;
- private static final int UNSPECIFIED_MEASURESPEC = MeasureSpec.makeMeasureSpec(
- 0, MeasureSpec.UNSPECIFIED);
+ private static final int MATCH_PARENT = MeasureSpec.makeMeasureSpec(
+ -1, MeasureSpec.UNSPECIFIED);
private static final boolean DBG = LatinImeLogger.sDBG;
+ private final View mCandidatesStrip;
private static final int NUM_CANDIDATES_IN_STRIP = 3;
private final ImageView mExpandCandidatesPane;
private final ImageView mCloseCandidatesPane;
@@ -88,11 +88,17 @@ public class CandidateView extends LinearLayout implements OnClickListener, OnLo
private final PopupWindow mPreviewPopup;
private final TextView mPreviewText;
+ private final View mTouchToSave;
+ private final TextView mWordToSave;
+
private Listener mListener;
private SuggestedWords mSuggestions = SuggestedWords.EMPTY;
private boolean mShowingAutoCorrectionInverted;
private boolean mShowingAddToDictionary;
+ private static final float MIN_TEXT_XSCALE = 0.4f;
+ private static final String ELLIPSIS = "\u2026";
+
private final UiHandler mHandler = new UiHandler(this);
private static class UiHandler extends StaticInnerHandlerWrapper<CandidateView> {
@@ -178,13 +184,13 @@ public class CandidateView extends LinearLayout implements OnClickListener, OnLo
mPreviewPopup.setContentView(mPreviewText);
mPreviewPopup.setBackgroundDrawable(null);
+ mCandidatesStrip = findViewById(R.id.candidates_strip);
mCandidateStripHeight = res.getDimensionPixelOffset(R.dimen.candidate_strip_height);
for (int i = 0; i < MAX_SUGGESTIONS; i++) {
final TextView word, info;
switch (i) {
case 0:
word = (TextView)findViewById(R.id.word_left);
- word.setPadding(res.getDimensionPixelOffset(R.dimen.candidate_padding), 0, 0, 0);
info = (TextView)findViewById(R.id.info_left);
break;
case 1:
@@ -208,11 +214,15 @@ public class CandidateView extends LinearLayout implements OnClickListener, OnLo
mInfos.add(info);
if (i > 0) {
final View divider = inflater.inflate(R.layout.candidate_divider, null);
- divider.measure(UNSPECIFIED_MEASURESPEC, UNSPECIFIED_MEASURESPEC);
+ divider.measure(MATCH_PARENT, MATCH_PARENT);
mDividers.add(divider);
}
}
+ mTouchToSave = findViewById(R.id.touch_to_save);
+ mWordToSave = (TextView)findViewById(R.id.word_to_save);
+ mWordToSave.setOnClickListener(this);
+
final TypedArray a = context.obtainStyledAttributes(
attrs, R.styleable.CandidateView, defStyle, R.style.CandidateViewStyle);
mAutoCorrectHighlight = a.getInt(R.styleable.CandidateView_autoCorrectHighlight, 0);
@@ -269,12 +279,14 @@ public class CandidateView extends LinearLayout implements OnClickListener, OnLo
}
}
- private CharSequence getStyledCandidateWord(CharSequence word, boolean isAutoCorrect) {
+ private CharSequence getStyledCandidateWord(CharSequence word, TextView v,
+ boolean isAutoCorrect) {
+ v.setTypeface(Typeface.DEFAULT);
if (!isAutoCorrect)
return word;
final Spannable spannedWord = new SpannableString(word);
if ((mAutoCorrectHighlight & AUTO_CORRECT_BOLD) != 0)
- spannedWord.setSpan(BOLD_SPAN, 0, word.length(), Spanned.SPAN_INCLUSIVE_EXCLUSIVE);
+ v.setTypeface(Typeface.DEFAULT_BOLD);
if ((mAutoCorrectHighlight & AUTO_CORRECT_UNDERLINE) != 0)
spannedWord.setSpan(UNDERLINE_SPAN, 0, word.length(), Spanned.SPAN_INCLUSIVE_EXCLUSIVE);
return spannedWord;
@@ -311,7 +323,7 @@ public class CandidateView extends LinearLayout implements OnClickListener, OnLo
int fromIndex = NUM_CANDIDATES_IN_STRIP;
final int count = Math.min(mWords.size(), suggestions.size());
closeCandidatesPane();
- mExpandCandidatesPane.setEnabled(count >= NUM_CANDIDATES_IN_STRIP);
+ mExpandCandidatesPane.setVisibility(count > NUM_CANDIDATES_IN_STRIP ? VISIBLE : GONE);
for (int i = 0; i < count; i++) {
final CharSequence suggestion = suggestions.getWord(i);
if (suggestion == null) continue;
@@ -332,11 +344,15 @@ public class CandidateView extends LinearLayout implements OnClickListener, OnLo
// the word when space is typed (valid typed word or auto corrected word).
word.setTextColor(getCandidateTextColor(isAutoCorrect,
isSuggestedCandidate || isPunctuationSuggestions, suggestionInfo));
- word.setText(getStyledCandidateWord(suggestion, isAutoCorrect));
- // TODO: call TextView.setTextScaleX() to fit the candidate in single line.
- word.measure(UNSPECIFIED_MEASURESPEC, UNSPECIFIED_MEASURESPEC);
- final int width = word.getMeasuredWidth();
- final int height = word.getMeasuredHeight();
+ final CharSequence text = getStyledCandidateWord(suggestion, word, isAutoCorrect);
+ if (i < NUM_CANDIDATES_IN_STRIP) {
+ final View parent = (View)word.getParent();
+ final int width = parent.getWidth() - word.getPaddingLeft()
+ - word.getPaddingRight();
+ setTextWithAutoScaleAndEllipsis(text, width, word);
+ } else {
+ setTextWithAutoScaleAndEllipsis(text, paneWidth, word);
+ }
final TextView info;
if (DBG && suggestionInfo != null
@@ -344,18 +360,23 @@ public class CandidateView extends LinearLayout implements OnClickListener, OnLo
info = mInfos.get(i);
info.setText(suggestionInfo.getDebugString());
info.setVisibility(View.VISIBLE);
- info.measure(UNSPECIFIED_MEASURESPEC, UNSPECIFIED_MEASURESPEC);
} else {
info = null;
}
if (i < NUM_CANDIDATES_IN_STRIP) {
if (info != null) {
+ word.measure(MATCH_PARENT, MATCH_PARENT);
+ info.measure(MATCH_PARENT, MATCH_PARENT);
+ final int width = word.getMeasuredWidth();
final int infoWidth = info.getMeasuredWidth();
FrameLayoutCompatUtils.placeViewAt(
info, width - infoWidth, 0, infoWidth, info.getMeasuredHeight());
}
} else {
+ word.measure(MATCH_PARENT, MATCH_PARENT);
+ final int width = word.getMeasuredWidth();
+ final int height = word.getMeasuredHeight();
// TODO: Handle overflow case.
if (dividerWidth + x + width >= paneWidth) {
centeringCandidates(fromIndex, i - 1, x, paneWidth);
@@ -376,6 +397,7 @@ public class CandidateView extends LinearLayout implements OnClickListener, OnLo
word, x, y + (mCandidateStripHeight - height) / 2, width, height);
if (info != null) {
mCandidatesPane.addView(info);
+ info.measure(MATCH_PARENT, MATCH_PARENT);
final int infoWidth = info.getMeasuredWidth();
FrameLayoutCompatUtils.placeViewAt(
info, x + width - infoWidth, y, infoWidth, info.getMeasuredHeight());
@@ -414,6 +436,60 @@ public class CandidateView extends LinearLayout implements OnClickListener, OnLo
}
}
+ private static void setTextWithAutoScaleAndEllipsis(CharSequence text, int w, TextView v) {
+ // To prevent partially rendered character at the end of text, subtract few extra pixels
+ // from the width.
+ final int width = w - 4;
+
+ final TextPaint paint = v.getPaint();
+ final int textWidth = getTextWidth(text, paint, 1.0f);
+ if (textWidth < width || textWidth == 0 || width <= 0) {
+ v.setTextScaleX(1.0f);
+ v.setText(text);
+ return;
+ }
+
+ final float scaleX = Math.min((float)width / textWidth, 1.0f);
+ if (scaleX >= MIN_TEXT_XSCALE) {
+ v.setTextScaleX(scaleX);
+ v.setText(text);
+ return;
+ }
+
+ final int truncatedWidth = width - getTextWidth(ELLIPSIS, paint, MIN_TEXT_XSCALE);
+ final CharSequence ellipsized = getTextEllipsizedAtStart(text, paint, truncatedWidth);
+ v.setTextScaleX(MIN_TEXT_XSCALE);
+ v.setText(ELLIPSIS);
+ v.append(ellipsized);
+ }
+
+ private static int getTextWidth(CharSequence text, TextPaint paint, float scaleX) {
+ if (TextUtils.isEmpty(text)) return 0;
+ final int len = text.length();
+ final float[] widths = new float[len];
+ paint.setTextScaleX(scaleX);
+ final int count = paint.getTextWidths(text, 0, len, widths);
+ float width = 0;
+ for (int i = 0; i < count; i++) {
+ width += widths[i];
+ }
+ return (int)Math.round(width + 0.5);
+ }
+
+ private static CharSequence getTextEllipsizedAtStart(CharSequence text, TextPaint paint,
+ int maxWidth) {
+ final int len = text.length();
+ final float[] widths = new float[len];
+ final int count = paint.getTextWidths(text, 0, len, widths);
+ float width = 0;
+ for (int i = count - 1; i >= 0; i--) {
+ width += widths[i];
+ if (width > maxWidth)
+ return text.subSequence(i + 1, len);
+ }
+ return text;
+ }
+
private void expandCandidatesPane() {
mExpandCandidatesPane.setVisibility(View.GONE);
mCloseCandidatesPane.setVisibility(View.VISIBLE);
@@ -448,14 +524,10 @@ public class CandidateView extends LinearLayout implements OnClickListener, OnLo
}
public void showAddToDictionaryHint(CharSequence word) {
- SuggestedWords.Builder builder = new SuggestedWords.Builder()
- .addWord(word)
- .addWord(getContext().getText(R.string.hint_add_to_dictionary));
- setSuggestions(builder.build());
+ mWordToSave.setText(word);
mShowingAddToDictionary = true;
- // Disable R.string.hint_add_to_dictionary button
- TextView tv = mWords.get(1);
- tv.setClickable(false);
+ mCandidatesStrip.setVisibility(View.GONE);
+ mTouchToSave.setVisibility(View.VISIBLE);
}
public boolean dismissAddToDictionaryHint() {
@@ -475,6 +547,8 @@ public class CandidateView extends LinearLayout implements OnClickListener, OnLo
mWords.get(i).setText(null);
mInfos.get(i).setVisibility(View.GONE);
}
+ mTouchToSave.setVisibility(View.GONE);
+ mCandidatesStrip.setVisibility(View.VISIBLE);
mCandidatesPane.removeAllViews();
}
@@ -530,6 +604,12 @@ public class CandidateView extends LinearLayout implements OnClickListener, OnLo
@Override
public void onClick(View view) {
+ if (view == mWordToSave) {
+ addToDictionary(((TextView)view).getText());
+ clear();
+ return;
+ }
+
final Object tag = view.getTag();
if (!(tag instanceof Integer))
return;
@@ -538,11 +618,7 @@ public class CandidateView extends LinearLayout implements OnClickListener, OnLo
return;
final CharSequence word = mSuggestions.getWord(index);
- if (mShowingAddToDictionary && index == 0) {
- addToDictionary(word);
- } else {
- mListener.pickSuggestionManually(index, word);
- }
+ mListener.pickSuggestionManually(index, word);
// Because some punctuation letters are not treated as word separator depending on locale,
// {@link #setSuggestions} might not be called and candidates pane left opened.
closeCandidatesPane();
generated by cgit v1.2.3-83-g751a (git 2.47.1) at 2025-05-06 06:50:42 +0000