X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FSeqPanel.java;h=48651f99d0ea73aad6f0927a2a8f9d90c880455c;hb=bd56b8fb21d730b15bb759c529990d244cafbe37;hp=9d2e84c76a90e82d3f091361936f9b11cd41531f;hpb=8dea1b9fa230ed6570f38a756b38c21af0e874c2;p=jalview.git

diff --git a/src/jalview/gui/SeqPanel.java b/src/jalview/gui/SeqPanel.java
index 9d2e84c..48651f9 100755
--- a/src/jalview/gui/SeqPanel.java
+++ b/src/jalview/gui/SeqPanel.java
@@ -635,6 +635,9 @@ public class SeqPanel extends JPanel implements MouseListener,
           ap.repaint();
         }
 
+        FontMetrics fm = getFontMetrics(av.getFont());
+        av.validCharWidth = fm.charWidth('M') <= av.charWidth;
+
         lastMousePress = evt.getPoint();
 
         return;