{
mouseDragging = false;
- int res = (evt.getX() / av.getCharWidth())
+ int xCords = Math.max(0, evt.getX()); // prevent negative X coordinates
+
+ int res = (xCords / av.getCharWidth())
+ av.getRanges().getStartRes();
if (av.hasHiddenColumns())
@Override
public void paintComponent(Graphics g)
{
+ super.paintComponent(g);
+
/*
* shouldn't get called in wrapped mode as the scale above is
* drawn instead by SeqCanvas.drawNorthScale
|| evt.getPropertyName().equals(ViewportRanges.MOVE_VIEWPORT))
{
// scroll event, repaint panel
- repaint();
+
+ // Call repaint on alignment panel so that repaints from other alignment
+ // panel components can be aggregated. Otherwise performance of the overview
+ // window and others may be adversely affected.
+ av.getAlignPanel().repaint();
}
}