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Allows pressing a calculator button but prevents its release to allow the On+A+F key combination (with Android version >= 5.0).

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This commit is contained in:
dgis 2021-02-07 01:29:55 +01:00
parent 167c6f07b4
commit 18314636ea
1 changed files with 20 additions and 3 deletions
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23
app/src/main/java/org/emulator/calculator/MainScreenView.java
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@ -192,11 +192,28 @@ public class MainScreenView extends PanAndScaleView {
this.setFocusableInTouchMode(true);
}
// Prevent accidental scroll when taping a calc button
private boolean previousRightMouseButtonStateDown = false;
// Prevent accidental scroll when taping a calc button
protected Set<Integer> currentButtonTouched = new HashSet<>();
@SuppressLint("ClickableViewAccessibility")
public boolean onTouchEvent(MotionEvent event) {
int actionIndex = event.getActionIndex();
if(event.getSource() == InputDevice.SOURCE_MOUSE) {
// Support the right mouse button click effect with Android version >= 5.0
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP) {
boolean rightMouseButtonStateDown = event.isButtonPressed(MotionEvent.BUTTON_SECONDARY);
if(rightMouseButtonStateDown != previousRightMouseButtonStateDown) {
// Right button pressed or released.
previousRightMouseButtonStateDown = rightMouseButtonStateDown;
if(!previousRightMouseButtonStateDown) {
// Allows pressing a calculator button but prevents its release to allow the On+A+F key combination.
return true;
}
}
}
}
int actionIndex = event.getActionIndex();
int action = event.getActionMasked();
switch (action) {
case MotionEvent.ACTION_DOWN:
@ -235,7 +252,7 @@ public class MainScreenView extends PanAndScaleView {
return super.onTouchEvent(event);
}
@Override
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if((event.getFlags() & KeyEvent.FLAG_VIRTUAL_HARD_KEY) == 0
&& (event.getSource() & InputDevice.SOURCE_KEYBOARD) == InputDevice.SOURCE_KEYBOARD) {