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Improve motion event handling after long press

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When mouse reporting is enabled, do not send mouse events on up
after a long press, since that causes e.g. the cursor to move in
vim when lifting the finger after long pressing for the menu.
This commit is contained in:
Fredrik Fornwall
2015-11-29 10:56:31 +01:00
parent b54c7909bd
commit bad6712338
1 changed files with 15 additions and 4 deletions
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17
app/src/main/java/com/termux/view/GestureAndScaleRecognizer.java
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@@ -6,7 +6,7 @@ import android.view.MotionEvent;
import android.view.ScaleGestureDetector;
/** A combination of {@link GestureDetector} and {@link ScaleGestureDetector}. */
public class GestureAndScaleRecognizer {
public final class GestureAndScaleRecognizer {
public interface Listener {
boolean onSingleTapUp(MotionEvent e);
@@ -29,6 +29,7 @@ public class GestureAndScaleRecognizer {
private final GestureDetector mGestureDetector;
private final ScaleGestureDetector mScaleDetector;
final Listener mListener;
boolean isAfterLongPress;
public GestureAndScaleRecognizer(Context context, Listener listener) {
mListener = listener;
@@ -52,6 +53,7 @@ public class GestureAndScaleRecognizer {
@Override
public void onLongPress(MotionEvent e) {
mListener.onLongPress(e);
isAfterLongPress = true;
}
}, null, true /* ignoreMultitouch */);
@@ -88,8 +90,17 @@ public class GestureAndScaleRecognizer {
public void onTouchEvent(MotionEvent event) {
mGestureDetector.onTouchEvent(event);
mScaleDetector.onTouchEvent(event);
if (event.getAction() == MotionEvent.ACTION_UP) {
mListener.onUp(event);
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
isAfterLongPress = false;
break;
case MotionEvent.ACTION_UP:
if (!isAfterLongPress) {
// This behaviour is desired when in e.g. vim with mouse events, where we do not
// want to move the cursor when lifting finger after a long press.
mListener.onUp(event);
}
break;
}
}