am 3e0c82ec: Fix for 2568664 : Slide gesture on spacebar is not reliable anymore

Merge commit '3e0c82ec80a69c4adbd60546c3c56c83c43ec7eb' into froyo-plus-aosp

* commit '3e0c82ec80a69c4adbd60546c3c56c83c43ec7eb':
  Fix for 2568664 : Slide gesture on spacebar is not reliable anymore
main
Amith Yamasani 2010-04-06 12:38:59 -07:00 committed by Android Git Automerger
commit 4f695092a2
1 changed files with 9 additions and 1 deletions

View File

@ -63,6 +63,8 @@ public class LatinKeyboardView extends KeyboardView {
private boolean mDisableDisambiguation;
/** The distance threshold at which we start treating the touch session as a multi-touch */
private int mJumpThresholdSquare = Integer.MAX_VALUE;
/** The y coordinate of the last row */
private int mLastRowY;
public LatinKeyboardView(Context context, AttributeSet attrs) {
super(context, attrs);
@ -82,6 +84,8 @@ public class LatinKeyboardView extends KeyboardView {
// One-seventh of the keyboard width seems like a reasonable threshold
mJumpThresholdSquare = k.getMinWidth() / 7;
mJumpThresholdSquare *= mJumpThresholdSquare;
// Assuming there are 4 rows, this is the coordinate of the last row
mLastRowY = (k.getHeight() * 3) / 4;
setKeyboardLocal(k);
}
@ -139,7 +143,11 @@ public class LatinKeyboardView extends KeyboardView {
case MotionEvent.ACTION_MOVE:
// Is this a big jump?
final int distanceSquare = (mLastX - x) * (mLastX - x) + (mLastY - y) * (mLastY - y);
if (distanceSquare > mJumpThresholdSquare) {
// Check the distance and also if the move is not entirely within the bottom row
// If it's only in the bottom row, it might be an intentional slide gesture
// for language switching
if (distanceSquare > mJumpThresholdSquare
&& (mLastY < mLastRowY || y < mLastRowY)) {
// If we're not yet dropping events, start dropping and send an UP event
if (!mDroppingEvents) {
mDroppingEvents = true;