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Code Issues Releases Wiki Activity

[MousePadPlugin] Support mouse wheel events

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This allows to scroll using a touch-enabled physical keyboard or a real mouse

BUG: 360006

Reviewed-By: Albert Vaca
This commit is contained in:
Kai Uwe Broulik
2016-06-14 18:42:21 +02:00
parent 9bf2adefc4
commit ced5c71369
1 changed files with 34 additions and 12 deletions
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46
src/org/kde/kdeconnect/Plugins/MousePadPlugin/MousePadActivity.java
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@@ -42,7 +42,8 @@ import org.kde.kdeconnect_tp.R;
public class MousePadActivity extends ActionBarActivity implements GestureDetector.OnGestureListener, GestureDetector.OnDoubleTapListener, MousePadGestureDetector.OnGestureListener {
String deviceId;
private final static float MinDistanceToSendScroll = 2.5f;
private final static float MinDistanceToSendScroll = 2.5f; // touch gesture scroll
private final static float MinDistanceToSendGenericScroll = 0.1f; // real mouse scroll wheel event
private float mPrevX;
private float mPrevY;
@@ -238,6 +239,25 @@ public class MousePadActivity extends ActionBarActivity implements GestureDetect
return false;
}
@Override
public boolean onGenericMotionEvent(MotionEvent e)
{
if (android.os.Build.VERSION.SDK_INT >= 12) { // MotionEvent.getAxisValue is >= 12
if (e.getAction() == MotionEvent.ACTION_SCROLL) {
final float distanceY = e.getAxisValue(MotionEvent.AXIS_VSCROLL);
accumulatedDistanceY += distanceY;
if (accumulatedDistanceY > MinDistanceToSendGenericScroll || accumulatedDistanceY < -MinDistanceToSendGenericScroll) {
sendScroll(accumulatedDistanceY);
accumulatedDistanceY = 0;
}
}
}
return super.onGenericMotionEvent(e);
}
@Override
public boolean onScroll(MotionEvent e1, MotionEvent e2, final float distanceX, final float distanceY) {
// If only one thumb is used then cancel the scroll gesture
@@ -250,17 +270,7 @@ public class MousePadActivity extends ActionBarActivity implements GestureDetect
accumulatedDistanceY += distanceY;
if (accumulatedDistanceY > MinDistanceToSendScroll || accumulatedDistanceY < -MinDistanceToSendScroll)
{
final float scrollToSendY = accumulatedDistanceY;
BackgroundService.RunCommand(this, new BackgroundService.InstanceCallback() {
@Override
public void onServiceStart(BackgroundService service) {
Device device = service.getDevice(deviceId);
MousePadPlugin mousePadPlugin = device.getPlugin(MousePadPlugin.class);
if (mousePadPlugin == null) return;
mousePadPlugin.sendScroll(0, scrollDirection * scrollToSendY);
}
});
sendScroll(scrollDirection * accumulatedDistanceY);
accumulatedDistanceY = 0;
}
@@ -387,6 +397,18 @@ public class MousePadActivity extends ActionBarActivity implements GestureDetect
});
}
private void sendScroll(final float y) {
BackgroundService.RunCommand(this, new BackgroundService.InstanceCallback() {
@Override
public void onServiceStart(BackgroundService service) {
Device device = service.getDevice(deviceId);
MousePadPlugin mousePadPlugin = device.getPlugin(MousePadPlugin.class);
if (mousePadPlugin == null) return;
mousePadPlugin.sendScroll(0, y);
}
});
}
private void showKeyboard() {
InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
imm.toggleSoftInputFromWindow(keyListenerView.getWindowToken(), 0, 0);