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Check on vscrollMax values
author
amwaterhouse
<Andrew Waterhouse>
Tue, 3 Oct 2006 09:18:22 +0000
(09:18 +0000)
committer
amwaterhouse
<Andrew Waterhouse>
Tue, 3 Oct 2006 09:18:22 +0000
(09:18 +0000)
src/jalview/appletgui/AlignmentPanel.java
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diff --git
a/src/jalview/appletgui/AlignmentPanel.java
b/src/jalview/appletgui/AlignmentPanel.java
index
bcdffa0
..
da55119
100755
(executable)
--- a/
src/jalview/appletgui/AlignmentPanel.java
+++ b/
src/jalview/appletgui/AlignmentPanel.java
@@
-489,13
+489,16
@@
public class AlignmentPanel extends Panel implements AdjustmentListener
if (av.hasHiddenColumns)
\r
maxwidth = av.getColumnSelection().findColumnPosition(maxwidth) - 1;
\r
\r
if (av.hasHiddenColumns)
\r
maxwidth = av.getColumnSelection().findColumnPosition(maxwidth) - 1;
\r
\r
- int max = maxwidth /
\r
- seqPanel.seqCanvas.getWrappedCanvasWidth(seqPanel.seqCanvas.getSize().width) +
\r
- 1;
\r
+ int canvasWidth = seqPanel.seqCanvas.getWrappedCanvasWidth
\r
+ (seqPanel.seqCanvas.getSize().width);
\r
\r
\r
- vscroll.setMaximum(max);
\r
- vscroll.setUnitIncrement(1);
\r
- vscroll.setVisibleAmount(1);
\r
+ if(canvasWidth>0)
\r
+ {
\r
+ int max = maxwidth / canvasWidth;
\r
+ vscroll.setMaximum(max);
\r
+ vscroll.setUnitIncrement(1);
\r
+ vscroll.setVisibleAmount(1);
\r
+ }
\r
}
\r
else
\r
{
\r
}
\r
else
\r
{
\r