/*
* Jalview - A Sequence Alignment Editor and Viewer (Version 2.7)
- * Copyright (C) 2011 J Procter, AM Waterhouse, G Barton, M Clamp, S Searle
+ * Copyright (C) 2011 J Procter, AM Waterhouse, J Engelhardt, LM Lui, G Barton, M Clamp, S Searle
*
* This file is part of Jalview.
*
}
}
+ private Font lastSelected=null;
+ private int lastSelStyle=0;
+ private int lastSelSize=0;
+ private boolean lastSelMono=false;
/**
* DOCUMENT ME!
*/
void changeFont()
{
+ if (lastSelected==null)
+ {
+ // initialise with original font
+ lastSelected=oldFont;
+ lastSelSize=oldFont.getSize();
+ lastSelStyle=oldFont.getStyle();
+ FontMetrics fm = getGraphics().getFontMetrics(oldFont);
+ double mw=fm.getStringBounds("M", getGraphics())
+ .getWidth(),iw=fm.getStringBounds("I", getGraphics())
+ .getWidth();
+ lastSelMono=mw==iw;
+ }
+
Font newFont = new Font(fontName.getSelectedItem().toString(),
fontStyle.getSelectedIndex(), Integer.parseInt(fontSize
.getSelectedItem().toString()));
+ FontMetrics fm = getGraphics().getFontMetrics(newFont);
+ double mw=fm.getStringBounds("M", getGraphics())
+ .getWidth(),iw=fm.getStringBounds("I", getGraphics())
+ .getWidth();
+ if (mw<1 || iw < 1) {
+ fontName.setSelectedItem(lastSelected.getName());
+ fontStyle.setSelectedIndex(lastSelStyle);
+ fontSize.setSelectedItem(""+lastSelSize);
+ monospaced.setSelected(lastSelMono);
+ JOptionPane.showInternalMessageDialog(this, "Font doesn't have letters defined\nso cannot be used\nwith alignment data.", "Invalid Font", JOptionPane.WARNING_MESSAGE);
+ return;
+ }
if (tp != null)
{
tp.setTreeFont(newFont);
ap.fontChanged();
}
- FontMetrics fm = getGraphics().getFontMetrics(newFont);
-
- monospaced.setSelected(fm.getStringBounds("M", getGraphics())
- .getWidth() == fm.getStringBounds("|", getGraphics())
- .getWidth());
+ monospaced.setSelected(mw==iw);
+ // remember last selected
+ lastSelected=newFont;
}
/**