Android/frameworks_base
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Fix issue #2045895: Finger IDs are not tracked properly.

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This was a problem with not dealing well with how the driver was
reporting data in the old touch protocol.

Also fixed issue with not correctly rotating non-primary touches.
This commit is contained in:
Dianne Hackborn
2009-08-12 17:13:55 -07:00
parent 72c82ab992
commit 2a2b34434a
2 changed files with 29 additions and 14 deletions
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8
services/java/com/android/server/InputDevice.java
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@@ -42,6 +42,10 @@ public class InputDevice {
long mKeyDownTime = 0;
int mMetaKeysState = 0;
// For use by KeyInputQueue for keeping track of the current touch
// data in the old non-multi-touch protocol.
final int[] curTouchVals = new int[MotionEvent.NUM_SAMPLE_DATA * 2];
final MotionState mAbs = new MotionState(0, 0);
final MotionState mRel = new MotionState(TRACKBALL_MOVEMENT_THRESHOLD,
TRACKBALL_MOVEMENT_THRESHOLD);
@@ -410,7 +414,7 @@ public class InputDevice {
switch (orientation) {
case Surface.ROTATION_90: {
final float temp = reportData[MotionEvent.SAMPLE_X];
final float temp = reportData[j + MotionEvent.SAMPLE_X];
reportData[j + MotionEvent.SAMPLE_X] = reportData[j + MotionEvent.SAMPLE_Y];
reportData[j + MotionEvent.SAMPLE_Y] = w-temp;
break;
@@ -421,7 +425,7 @@ public class InputDevice {
break;
}
case Surface.ROTATION_270: {
final float temp = reportData[i + MotionEvent.SAMPLE_X];
final float temp = reportData[j + MotionEvent.SAMPLE_X];
reportData[j + MotionEvent.SAMPLE_X] = h-reportData[j + MotionEvent.SAMPLE_Y];
reportData[j + MotionEvent.SAMPLE_Y] = temp;
break;