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fixes a NullPointerException

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hneemann 2021-03-13 17:30:42 +01:00
parent bc0e7a87e0
commit f6f457ffa4
1 changed files with 2 additions and 0 deletions
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src/main/java/de/neemann/digital/gui/components/CircuitComponent.java
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@ -1542,6 +1542,8 @@ public class CircuitComponent extends JComponent implements ChangedListener, Lib
}
private boolean wasMoved(MouseEvent e) {
if (pos == null) // seems to happen in very rare cases
return false;
Vector d = new Vector(e.getX(), e.getY()).sub(pos);
return Math.abs(d.x) > DRAG_DISTANCE || Math.abs(d.y) > DRAG_DISTANCE;
}