- od.updateViewportFromMouse(evt.getX(), evt.getY(), av
- .getAlignment().getHiddenSequences(), av.getAlignment()
- .getHiddenColumns());
+ if (draggingBox)
+ {
+ // set the mouse position as a fixed point in the box
+ // and drag relative to that position
+ od.adjustViewportFromMouse(evt.getX(), evt.getY(),
+ av.getAlignment().getHiddenSequences(),
+ av.getAlignment().getHiddenColumns());
+ }
+ else
+ {
+ od.updateViewportFromMouse(evt.getX(), evt.getY(),
+ av.getAlignment().getHiddenSequences(),
+ av.getAlignment().getHiddenColumns());
+ }
+ }
+ }
+
+ @Override
+ public void mouseMoved(MouseEvent evt)
+ {
+ if (od.isPositionInBox(evt.getX(), evt.getY()))
+ {
+ /*
+ * using HAND_CURSOR rather than DRAG_CURSOR
+ * as the latter is not supported on Mac
+ */
+ getParent().setCursor(
+ Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
+ }
+ else
+ {
+ // reset cursor
+ getParent().setCursor(
+ Cursor.getPredefinedCursor(Cursor.CROSSHAIR_CURSOR));