/*
- * Jalview - A Sequence Alignment Editor and Viewer (Version 2.5)
- * Copyright (C) 2010 J Procter, AM Waterhouse, G Barton, M Clamp, S Searle
+ * Jalview - A Sequence Alignment Editor and Viewer (Version 2.7)
+ * 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;
}
/**
Cache.setProperty("FONT_NAME", fontName.getSelectedItem().toString());
Cache.setProperty("FONT_STYLE", fontStyle.getSelectedIndex() + "");
Cache.setProperty("FONT_SIZE", fontSize.getSelectedItem().toString());
- Cache.setProperty("ANTI_ALIAS", Boolean.toString(smoothFont
- .isSelected()));
+ Cache.setProperty("ANTI_ALIAS",
+ Boolean.toString(smoothFont.isSelected()));
}
}