import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.Graphics2D;
+import java.awt.Point;
import java.awt.RenderingHints;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
}
/**
- * DOCUMENT ME!
+ * Action on mouseUp is to set the limit of the current selection group (if
+ * there is one) and broadcast the selection
*
* @param evt
- * DOCUMENT ME!
*/
@Override
public void mouseReleased(MouseEvent evt)
{
mouseDragging = false;
+ ap.getSeqPanel().stopScrolling();
+ // todo res calculation should be a method on AlignViewport
int xCords = Math.max(0, evt.getX()); // prevent negative X coordinates
int res = (xCords / av.getCharWidth())
res = av.getAlignment().getHiddenColumns()
.visibleToAbsoluteColumn(res);
}
-
- if (res >= av.getAlignment().getWidth())
- {
- res = av.getAlignment().getWidth() - 1;
- }
+ res = Math.min(res, av.getAlignment().getWidth() - 1);
if (!stretchingGroup)
{
{
if (mouseDragging)
{
- ap.getSeqPanel().scrollCanvas(null);
+ mouseDragging = false;
+ ap.getSeqPanel().stopScrolling();
}
}
+ /**
+ * Action on leaving the panel bounds with mouse drag in progress is to start
+ * scrolling the alignment in the direction of the mouse. To restrict
+ * scrolling to left-right (not up-down), the y-value of the mouse position is
+ * replaced with zero.
+ */
@Override
public void mouseExited(MouseEvent evt)
{
if (mouseDragging)
{
- ap.getSeqPanel().scrollCanvas(evt);
+ ap.getSeqPanel().startScrolling(new Point(evt.getX(), 0));
}
}
@Override
public void paintComponent(Graphics g)
{
- super.paintComponent(g);
+ //super.paintComponent(g); // BH 2019
/*
* shouldn't get called in wrapped mode as the scale above is