+ addComponentListener(new ComponentAdapter()
+ {
+ @Override
+ public void componentResized(ComponentEvent evt)
+ {
+ // reset the viewport ranges when the alignment panel is resized
+ // in particular, this initialises the end residue value when Jalview
+ // is initialised
+ if (av.getWrapAlignment())
+ {
+ int widthInRes = getSeqPanel().seqCanvas
+ .getWrappedCanvasWidth(getSeqPanel().seqCanvas.getWidth());
+ vpRanges.setViewportWidth(widthInRes);
+ }
+ else
+ {
+ int widthInRes = getSeqPanel().seqCanvas.getWidth()
+ / av.getCharWidth();
+ int heightInSeq = getSeqPanel().seqCanvas.getHeight()
+ / av.getCharHeight();
+
+ vpRanges.setViewportWidth(widthInRes);
+ vpRanges.setViewportHeight(heightInSeq);
+ }
+ }
+
+ });
+