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Stabilize gesture recognition algorithm that looks for the nearest key.

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It relies on the order of the key array.

Change-Id: I58fa71a7b330e59cd774fc208e5b6bc1a3decd2e
This commit is contained in:
Ken Wakasa 2012-09-11 19:15:00 +09:00
parent b0c693d005
commit e30c4e0bb1
2 changed files with 12 additions and 5 deletions
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13
java/src/com/android/inputmethod/keyboard/Key.java
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@ -52,7 +52,7 @@ import java.util.Locale;
/** /**
* Class for describing the position and characteristics of a single key in the keyboard. * Class for describing the position and characteristics of a single key in the keyboard.
*/ */
public class Key { public class Key implements Comparable<Key> {
private static final String TAG = Key.class.getSimpleName(); private static final String TAG = Key.class.getSimpleName();
/** /**
@ -410,7 +410,7 @@ public class Key {
}); });
} }
private boolean equals(final Key o) { private boolean equalsInternal(final Key o) {
if (this == o) return true; if (this == o) return true;
return o.mX == mX return o.mX == mX
&& o.mY == mY && o.mY == mY
@ -427,6 +427,13 @@ public class Key {
&& o.mLabelFlags == mLabelFlags; && o.mLabelFlags == mLabelFlags;
} }
@Override
public int compareTo(Key o) {
if (equalsInternal(o)) return 0;
if (mHashCode > o.mHashCode) return 1;
return -1;
}
@Override @Override
public int hashCode() { public int hashCode() {
return mHashCode; return mHashCode;
@ -434,7 +441,7 @@ public class Key {
@Override @Override
public boolean equals(final Object o) { public boolean equals(final Object o) {
return o instanceof Key && equals((Key)o); return o instanceof Key && equalsInternal((Key)o);
} }
@Override @Override

4
java/src/com/android/inputmethod/keyboard/internal/KeyboardParams.java
View file

@ -24,7 +24,7 @@ import com.android.inputmethod.keyboard.KeyboardId;
import com.android.inputmethod.latin.CollectionUtils; import com.android.inputmethod.latin.CollectionUtils;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.HashSet; import java.util.TreeSet;
public class KeyboardParams { public class KeyboardParams {
public KeyboardId mId; public KeyboardId mId;
@ -58,7 +58,7 @@ public class KeyboardParams {
public int GRID_WIDTH; public int GRID_WIDTH;
public int GRID_HEIGHT; public int GRID_HEIGHT;
public final HashSet<Key> mKeys = CollectionUtils.newHashSet(); public final TreeSet<Key> mKeys = CollectionUtils.newTreeSet(); // ordered set
public final ArrayList<Key> mShiftKeys = CollectionUtils.newArrayList(); public final ArrayList<Key> mShiftKeys = CollectionUtils.newArrayList();
public final ArrayList<Key> mAltCodeKeysWhileTyping = CollectionUtils.newArrayList(); public final ArrayList<Key> mAltCodeKeysWhileTyping = CollectionUtils.newArrayList();
public final KeyboardIconsSet mIconsSet = new KeyboardIconsSet(); public final KeyboardIconsSet mIconsSet = new KeyboardIconsSet();