Merge "Include horizontal and vertical gap in the count of Key.isOnKey" into honeycomb-mr2

main
Tadashi G. Takaoka 2011-05-11 19:00:09 -07:00 committed by Android (Google) Code Review
commit ade1649331
3 changed files with 20 additions and 17 deletions

View File

@ -196,8 +196,8 @@ public class Key {
} }
// Horizontal gap is divided equally to both sides of the key. // Horizontal gap is divided equally to both sides of the key.
this.mX = x + mGap / 2; mX = x + mGap / 2;
this.mY = y; mY = y;
final TypedArray keyAttr = res.obtainAttributes(Xml.asAttributeSet(parser), final TypedArray keyAttr = res.obtainAttributes(Xml.asAttributeSet(parser),
R.styleable.Keyboard_Key); R.styleable.Keyboard_Key);
@ -350,12 +350,13 @@ public class Key {
final boolean rightEdge = (flags & Keyboard.EDGE_RIGHT) != 0; final boolean rightEdge = (flags & Keyboard.EDGE_RIGHT) != 0;
final boolean topEdge = (flags & Keyboard.EDGE_TOP) != 0; final boolean topEdge = (flags & Keyboard.EDGE_TOP) != 0;
final boolean bottomEdge = (flags & Keyboard.EDGE_BOTTOM) != 0; final boolean bottomEdge = (flags & Keyboard.EDGE_BOTTOM) != 0;
final int left = this.mX; final int left = mX - mGap / 2;
final int right = left + this.mWidth; final int right = left + mWidth + mGap;
final int top = this.mY; final int top = mY;
final int bottom = top + this.mHeight; final int bottom = top + mHeight + mKeyboard.getVerticalGap();
return (x >= left || leftEdge) && (x < right || rightEdge) // In order to mitigate rounding errors, we use (left <= x <= right) here.
&& (y >= top || topEdge) && (y < bottom || bottomEdge); return (x >= left || leftEdge) && (x <= right || rightEdge)
&& (y >= top || topEdge) && (y <= bottom || bottomEdge);
} }
/** /**
@ -365,10 +366,10 @@ public class Key {
* @return the square of the distance of the point from the nearest edge of the key * @return the square of the distance of the point from the nearest edge of the key
*/ */
public int squaredDistanceToEdge(int x, int y) { public int squaredDistanceToEdge(int x, int y) {
final int left = this.mX; final int left = mX;
final int right = left + this.mWidth; final int right = left + mWidth;
final int top = this.mY; final int top = mY;
final int bottom = top + this.mHeight; final int bottom = top + mHeight;
final int edgeX = x < left ? left : (x > right ? right : x); final int edgeX = x < left ? left : (x > right ? right : x);
final int edgeY = y < top ? top : (y > bottom ? bottom : y); final int edgeY = y < top ? top : (y > bottom ? bottom : y);
final int dx = x - edgeX; final int dx = x - edgeX;

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@ -81,11 +81,11 @@ public abstract class KeyDetector {
* *
* @return Allocates and returns an array that can hold all key indices returned by * @return Allocates and returns an array that can hold all key indices returned by
* {@link #getKeyIndexAndNearbyCodes} method. All elements in the returned array are * {@link #getKeyIndexAndNearbyCodes} method. All elements in the returned array are
* initialized by {@link #NOT_A_KEY} value. * initialized by {@link #NOT_A_CODE} value.
*/ */
public int[] newCodeArray() { public int[] newCodeArray() {
int[] codes = new int[getMaxNearbyKeys()]; int[] codes = new int[getMaxNearbyKeys()];
Arrays.fill(codes, NOT_A_KEY); Arrays.fill(codes, NOT_A_CODE);
return codes; return codes;
} }

View File

@ -45,13 +45,15 @@ public class ProximityKeyDetector extends KeyDetector {
* *
* @param keyIndex index of the key. * @param keyIndex index of the key.
* @param distance distance between the key's edge and user touched point. * @param distance distance between the key's edge and user touched point.
* @param isOnKey true if the point is on the key.
* @return order of the key in the nearby buffer, 0 if it is the nearest key. * @return order of the key in the nearby buffer, 0 if it is the nearest key.
*/ */
private int sortNearbyKeys(int keyIndex, int distance) { private int sortNearbyKeys(int keyIndex, int distance, boolean isOnKey) {
final int[] distances = mDistances; final int[] distances = mDistances;
final int[] indices = mIndices; final int[] indices = mIndices;
for (int insertPos = 0; insertPos < distances.length; insertPos++) { for (int insertPos = 0; insertPos < distances.length; insertPos++) {
if (distance < distances[insertPos]) { final int comparingDistance = distances[insertPos];
if (distance < comparingDistance || (distance == comparingDistance && isOnKey)) {
final int nextPos = insertPos + 1; final int nextPos = insertPos + 1;
if (nextPos < distances.length) { if (nextPos < distances.length) {
System.arraycopy(distances, insertPos, distances, nextPos, System.arraycopy(distances, insertPos, distances, nextPos,
@ -103,7 +105,7 @@ public class ProximityKeyDetector extends KeyDetector {
final boolean isInside = key.isInside(touchX, touchY); final boolean isInside = key.isInside(touchX, touchY);
final int distance = key.squaredDistanceToEdge(touchX, touchY); final int distance = key.squaredDistanceToEdge(touchX, touchY);
if (isInside || (mProximityCorrectOn && distance < mProximityThresholdSquare)) { if (isInside || (mProximityCorrectOn && distance < mProximityThresholdSquare)) {
final int insertedPosition = sortNearbyKeys(index, distance); final int insertedPosition = sortNearbyKeys(index, distance, isInside);
if (insertedPosition == 0 && isInside) if (insertedPosition == 0 && isInside)
primaryIndex = index; primaryIndex = index;
} }