Create altosuilib to share code between altosui and micropeak

Need to convert altosui to using it, but that shouldn't be hard

Signed-off-by: Keith Packard <keithp@keithp.com>

13 files changed, 1040 insertions, 1 deletions

diff --git a/Makefile.am b/Makefile.am
index 2e45aff0..e8945d90 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,4 +1,4 @@
-SUBDIRS=src doc altoslib libaltos altosui ao-tools ao-utils altosdroid
+SUBDIRS=src doc altoslib libaltos altosuilib altosui ao-tools ao-utils altosdroid
 
 EXTRA_DIST = ChangeLog
 
diff --git a/altosuilib/AltosConfigureUI.java b/altosuilib/AltosConfigureUI.java
new file mode 100644
index 00000000..a4b644bf
--- /dev/null
+++ b/altosuilib/AltosConfigureUI.java
@@ -0,0 +1,393 @@
+/*
+ * Copyright © 2010 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+package org.altusmetrum.altosuilib;
+
+import java.awt.*;
+import java.awt.event.*;
+import java.beans.*;
+import javax.swing.*;
+import javax.swing.event.*;
+
+class DelegatingRenderer implements ListCellRenderer {
+
+	// ...
+	public static void install(JComboBox comboBox) {
+		DelegatingRenderer renderer = new DelegatingRenderer(comboBox);
+		renderer.initialise();
+		comboBox.setRenderer(renderer);
+	}
+
+	// ...
+	private final JComboBox comboBox;
+
+	// ...
+	private ListCellRenderer delegate;
+
+	// ...
+	private DelegatingRenderer(JComboBox comboBox) {
+		this.comboBox = comboBox;
+	}
+
+	// ...
+	private void initialise() {
+		delegate = new JComboBox().getRenderer();
+		comboBox.addPropertyChangeListener("UI", new PropertyChangeListener() {
+
+				public void propertyChange(PropertyChangeEvent evt) {
+					delegate = new JComboBox().getRenderer();
+				}
+			});
+	}
+
+	// ...
+	public Component getListCellRendererComponent(JList list,
+						      Object value, int index, boolean isSelected, boolean cellHasFocus) {
+
+		return delegate.getListCellRendererComponent(list,
+							     ((UIManager.LookAndFeelInfo) value).getName(),
+							     index, isSelected, cellHasFocus);
+	}
+}
+
+public class AltosConfigureUI
+	extends AltosUIDialog
+	implements DocumentListener
+{
+	JFrame		owner;
+	Container	pane;
+
+	JRadioButton	enable_voice;
+	JButton		test_voice;
+	JButton		close;
+
+	JButton		configure_log;
+	JTextField	log_directory;
+
+	JLabel		callsign_label;
+	JTextField	callsign_value;
+
+	JRadioButton	imperial_units;
+
+	JLabel		font_size_label;
+	JComboBox	font_size_value;
+
+	JLabel		look_and_feel_label;
+	JComboBox	look_and_feel_value;
+
+	JRadioButton	serial_debug;
+
+	JButton		manage_bluetooth;
+	JButton		manage_frequencies;
+
+	int		row;
+
+	final static String[] font_size_names = { "Small", "Medium", "Large" };
+
+	/* DocumentListener interface methods */
+	public void changedUpdate(DocumentEvent e) {
+		if (callsign_value != null) 
+			AltosUIPreferences.set_callsign(callsign_value.getText());
+	}
+
+	public void insertUpdate(DocumentEvent e) {
+		changedUpdate(e);
+	}
+
+	public void removeUpdate(DocumentEvent e) {
+		changedUpdate(e);
+	}
+
+	public GridBagConstraints constraints (int x, int width, int fill) {
+		GridBagConstraints c = new GridBagConstraints();
+		Insets insets = new Insets(4, 4, 4, 4);
+
+		c.insets = insets;
+		c.fill = fill;
+		if (width == 3)
+			c.anchor = GridBagConstraints.CENTER;
+		else
+			c.anchor = GridBagConstraints.WEST;
+		c.gridx = x;
+		c.gridwidth = width;
+		c.gridy = row;
+		return c;
+	}
+
+	public GridBagConstraints constraints(int x, int width) {
+		return constraints(x, width, GridBagConstraints.NONE);
+	}
+
+	public void add_voice() {
+//		GridBagConstraints c = new GridBagConstraints();
+//
+//		/* Voice settings */
+//		c.gridx = 0;
+//		c.gridy = row;
+//		c.gridwidth = 1;
+//		c.fill = GridBagConstraints.NONE;
+//		c.anchor = GridBagConstraints.WEST;
+//		pane.add(new JLabel("Voice"), c);
+//
+//		enable_voice = new JRadioButton("Enable", AltosUIPreferences.voice());
+//		enable_voice.addActionListener(new ActionListener() {
+//				public void actionPerformed(ActionEvent e) {
+//					JRadioButton item = (JRadioButton) e.getSource();
+//					boolean enabled = item.isSelected();
+//					AltosUIPreferences.set_voice(enabled);
+//					if (enabled)
+//						voice.speak_always("Enable voice.");
+//					else
+//						voice.speak_always("Disable voice.");
+//				}
+//			});
+//		c.gridx = 1;
+//		c.gridy = row;
+//		c.gridwidth = 1;
+//		c.weightx = 1;
+//		c.fill = GridBagConstraints.NONE;
+//		c.anchor = GridBagConstraints.WEST;
+//		pane.add(enable_voice, c);
+//		enable_voice.setToolTipText("Enable/Disable all audio in-flight announcements");
+//
+//		c.gridx = 2;
+//		c.gridy = row++;
+//		c.gridwidth = 1;
+//		c.weightx = 1;
+//		c.fill = GridBagConstraints.NONE;
+//		c.anchor = GridBagConstraints.EAST;
+//		test_voice = new JButton("Test Voice");
+//		test_voice.addActionListener(new ActionListener() {
+//				public void actionPerformed(ActionEvent e) {
+//					voice.speak("That's one small step for man; one giant leap for mankind.");
+//				}
+//			});
+//		pane.add(test_voice, c);
+//		test_voice.setToolTipText("Play a stock audio clip to check volume");
+//		row++;
+	}
+
+	public void add_log_dir() {
+		/* Log directory settings */
+		pane.add(new JLabel("Log Directory"), constraints(0, 1));
+
+		configure_log = new JButton(AltosUIPreferences.logdir().getPath());
+		configure_log.addActionListener(new ActionListener() {
+				public void actionPerformed(ActionEvent e) {
+					AltosUIPreferences.ConfigureLog();
+					configure_log.setText(AltosUIPreferences.logdir().getPath());
+				}
+			});
+		pane.add(configure_log, constraints(1, 2));
+		configure_log.setToolTipText("Which directory flight logs are stored in");
+		row++;
+	}
+
+	public void add_callsign() {
+//		/* Callsign setting */
+//		pane.add(new JLabel("Callsign"), constraints(0, 1));
+//
+//		callsign_value = new JTextField(AltosUIPreferences.callsign());
+//		callsign_value.getDocument().addDocumentListener(this);
+//		callsign_value.setToolTipText("Callsign sent in packet mode");
+//		pane.add(callsign_value, constraints(1, 2, GridBagConstraints.BOTH));
+//		row++;
+	}
+
+	public void add_units() {
+		/* Imperial units setting */
+		pane.add(new JLabel("Imperial Units"), constraints(0, 1));
+
+		imperial_units = new JRadioButton("Enable", AltosUIPreferences.imperial_units());
+		imperial_units.addActionListener(new ActionListener() {
+				public void actionPerformed(ActionEvent e) {
+					JRadioButton item = (JRadioButton) e.getSource();
+					boolean enabled = item.isSelected();
+					AltosUIPreferences.set_imperial_units(enabled);
+				}
+			});
+		imperial_units.setToolTipText("Use Imperial units instead of metric");
+		pane.add(imperial_units, constraints(1, 2));
+		row++;
+	}
+
+	public void add_font_size() {
+		/* Font size setting */
+		pane.add(new JLabel("Font size"), constraints(0, 1));
+
+		font_size_value = new JComboBox(font_size_names);
+		int font_size = AltosUIPreferences.font_size();
+		font_size_value.setSelectedIndex(font_size - AltosUILib.font_size_small);
+		font_size_value.addActionListener(new ActionListener() {
+				public void actionPerformed(ActionEvent e) {
+					int	size = font_size_value.getSelectedIndex() + AltosUILib.font_size_small;
+
+					AltosUIPreferences.set_font_size(size);
+				}
+			});
+		pane.add(font_size_value, constraints(1, 2, GridBagConstraints.BOTH));
+		font_size_value.setToolTipText("Font size used in telemetry window");
+		row++;
+	}
+
+	public void add_look_and_feel() {
+		/* Look & Feel setting */
+		pane.add(new JLabel("Look & feel"), constraints(0, 1));
+
+		/*
+		class LookAndFeelRenderer extends BasicComboBoxRenderer implements ListCellRenderer {
+
+			public LookAndFeelRenderer() {
+				super();
+			}
+
+			public Component getListCellRendererComponent(
+				JList list,
+				Object value,
+				int index,
+				boolean isSelected,
+				boolean cellHasFocus)
+			{
+				super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
+				setText(((UIManager.LookAndFeelInfo) value).getName());
+				return this;
+			}
+		}
+		*/
+
+		final UIManager.LookAndFeelInfo[] look_and_feels = UIManager.getInstalledLookAndFeels();
+
+		look_and_feel_value = new JComboBox(look_and_feels);
+
+		DelegatingRenderer.install(look_and_feel_value);
+
+		String look_and_feel  = AltosUIPreferences.look_and_feel();
+		for (int i = 0; i < look_and_feels.length; i++)
+			if (look_and_feel.equals(look_and_feels[i].getClassName()))
+				look_and_feel_value.setSelectedIndex(i);
+
+		look_and_feel_value.addActionListener(new ActionListener() {
+				public void actionPerformed(ActionEvent e) {
+					int	id = look_and_feel_value.getSelectedIndex();
+
+					AltosUIPreferences.set_look_and_feel(look_and_feels[id].getClassName());
+				}
+			});
+		pane.add(look_and_feel_value, constraints(1, 2, GridBagConstraints.BOTH));
+		look_and_feel_value.setToolTipText("Look&feel used for new windows");
+		row++;
+	}
+
+	public void add_serial_debug() {
+		GridBagConstraints c = new GridBagConstraints();
+
+		/* Serial debug setting */
+		pane.add(new JLabel("Serial Debug"), constraints(0, 1));
+
+		serial_debug = new JRadioButton("Enable", AltosUIPreferences.serial_debug());
+		serial_debug.addActionListener(new ActionListener() {
+				public void actionPerformed(ActionEvent e) {
+					JRadioButton item = (JRadioButton) e.getSource();
+					boolean enabled = item.isSelected();
+					AltosUIPreferences.set_serial_debug(enabled);
+				}
+			});
+		serial_debug.setToolTipText("Enable/Disable USB I/O getting sent to the console");
+	}
+
+	public void add_bluetooth() {
+//		GridBagConstraints c = new GridBagConstraints();
+//		c.gridx = 1;
+//		c.gridy = row++;
+//		c.gridwidth = 3;
+//		c.fill = GridBagConstraints.NONE;
+//		c.anchor = GridBagConstraints.WEST;
+//		pane.add(serial_debug, c);
+//
+//		manage_bluetooth = new JButton("Manage Bluetooth");
+//		manage_bluetooth.addActionListener(new ActionListener() {
+//				public void actionPerformed(ActionEvent e) {
+//					AltosBTManage.show(owner, AltosBTKnown.bt_known());
+//				}
+//			});
+//		c.gridx = 0;
+//		c.gridy = row;
+//		c.gridwidth = 2;
+//		c.fill = GridBagConstraints.NONE;
+//		c.anchor = GridBagConstraints.WEST;
+//		pane.add(manage_bluetooth, c);
+	}
+
+	public void add_frequencies() {
+//		GridBagConstraints c = new GridBagConstraints();
+//		manage_frequencies = new JButton("Manage Frequencies");
+//		manage_frequencies.addActionListener(new ActionListener() {
+//				public void actionPerformed(ActionEvent e) {
+//					AltosConfigFreqUI.show(owner);
+//				}
+//			});
+//		manage_frequencies.setToolTipText("Configure which values are shown in frequency menus");
+//		c.gridx = 2;
+//		c.gridx = 2;
+//		c.gridy = row++;
+//		c.gridwidth = 2;
+//		c.fill = GridBagConstraints.NONE;
+//		c.anchor = GridBagConstraints.WEST;
+//		pane.add(manage_frequencies, c);
+	}
+
+	public AltosConfigureUI(JFrame in_owner) {
+		super(in_owner, "Configure AltosUI", false);
+
+		owner = in_owner;
+		pane = getContentPane();
+		pane.setLayout(new GridBagLayout());
+
+		row = 0;
+
+		/* Nice label at the top */
+		pane.add(new JLabel ("Configure AltOS UI"),
+			 constraints(0, 3));
+		row++;
+
+		pane.add(new JLabel (String.format("AltOS version %s", AltosUIVersion.version)),
+			 constraints(0, 3));
+		row++;
+
+		add_voice();
+		add_log_dir();
+		add_callsign();
+		add_units();
+		add_font_size();
+		add_look_and_feel();
+		add_bluetooth();
+		add_frequencies();
+
+		/* And a close button at the bottom */
+		close = new JButton("Close");
+		close.addActionListener(new ActionListener() {
+				public void actionPerformed(ActionEvent e) {
+					setVisible(false);
+				}
+			});
+		pane.add(close, constraints(0, 3));
+
+		pack();
+		setLocationRelativeTo(owner);
+		setVisible(true);
+	}
+}
diff --git a/altosuilib/AltosFontListener.java b/altosuilib/AltosFontListener.java
new file mode 100644
index 00000000..ef543264
--- /dev/null
+++ b/altosuilib/AltosFontListener.java
@@ -0,0 +1,22 @@
+/*
+ * Copyright © 2011 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+package org.altusmetrum.altosuilib;
+
+public interface AltosFontListener {
+	void font_size_changed(int font_size);
+}
diff --git a/altosuilib/AltosUIDialog.java b/altosuilib/AltosUIDialog.java
new file mode 100644
index 00000000..c0c33ba6
--- /dev/null
+++ b/altosuilib/AltosUIDialog.java
@@ -0,0 +1,59 @@
+/*
+ * Copyright © 2011 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+package org.altusmetrum.altosuilib;
+
+import java.awt.*;
+import java.awt.event.*;
+import javax.swing.*;
+
+class AltosUIDialogListener extends WindowAdapter {
+	public void windowClosing (WindowEvent e) {
+		AltosUIPreferences.unregister_ui_listener((AltosUIDialog) e.getWindow());
+	}
+}
+
+public class AltosUIDialog extends JDialog implements AltosUIListener {
+
+	public void ui_changed(String look_and_feel) {
+		SwingUtilities.updateComponentTreeUI(this);
+		this.pack();
+	}
+
+	public AltosUIDialog() {
+		AltosUIPreferences.register_ui_listener(this);
+		addWindowListener(new AltosUIDialogListener());
+	}
+
+	public AltosUIDialog(Frame frame, String label, boolean modal) {
+		super(frame, label, modal);
+		AltosUIPreferences.register_ui_listener(this);
+		addWindowListener(new AltosUIDialogListener());
+	}
+
+	public AltosUIDialog(Dialog dialog, String label, boolean modal) {
+		super(dialog, label, modal);
+		AltosUIPreferences.register_ui_listener(this);
+		addWindowListener(new AltosUIDialogListener());
+	}
+
+	public AltosUIDialog(Frame frame, boolean modal) {
+		super(frame, modal);
+		AltosUIPreferences.register_ui_listener(this);
+		addWindowListener(new AltosUIDialogListener());
+	}
+}
diff --git a/altosuilib/AltosUIFrame.java b/altosuilib/AltosUIFrame.java
new file mode 100644
index 00000000..409aea2e
--- /dev/null
+++ b/altosuilib/AltosUIFrame.java
@@ -0,0 +1,82 @@
+/*
+ * Copyright © 2011 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+package org.altusmetrum.altosuilib;
+
+import java.awt.*;
+import java.awt.event.*;
+import javax.swing.*;
+import java.util.*;
+
+class AltosUIFrameListener extends WindowAdapter {
+	public void windowClosing (WindowEvent e) {
+		AltosUIPreferences.unregister_ui_listener((AltosUIFrame) e.getWindow());
+	}
+}
+
+public class AltosUIFrame extends JFrame implements AltosUIListener {
+
+	public void ui_changed(String look_and_feel) {
+		SwingUtilities.updateComponentTreeUI(this);
+		this.pack();
+	}
+
+	static String[] altos_icon_names = {
+		"/altus-metrum-16.png",
+		"/altus-metrum-32.png",
+		"/altus-metrum-48.png",
+		"/altus-metrum-64.png",
+		"/altus-metrum-128.png",
+		"/altus-metrum-256.png"
+	};
+
+	static public String[] icon_names;
+	
+	static public void set_icon_names(String[] new_icon_names) { icon_names = new_icon_names; }
+
+	public String[] icon_names() {
+		if (icon_names == null)
+			set_icon_names(altos_icon_names);
+		return icon_names;
+	}
+
+	public void set_icon() {
+		ArrayList<Image> icons = new ArrayList<Image>();
+		String[] icon_names = icon_names();
+		
+		for (int i = 0; i < icon_names.length; i++) {
+			java.net.URL imgURL = AltosUIFrame.class.getResource(icon_names[i]);
+			if (imgURL != null)
+				icons.add(new ImageIcon(imgURL).getImage());
+		}
+		setIconImages(icons);
+	}
+			
+
+	public AltosUIFrame() {
+		AltosUIPreferences.register_ui_listener(this);
+		addWindowListener(new AltosUIFrameListener());
+		set_icon();
+	}
+
+	public AltosUIFrame(String name) {
+		super(name);
+		AltosUIPreferences.register_ui_listener(this);
+		addWindowListener(new AltosUIFrameListener());
+		set_icon();
+	}
+}
diff --git a/altosuilib/AltosUILib.java b/altosuilib/AltosUILib.java
new file mode 100644
index 00000000..717678ba
--- /dev/null
+++ b/altosuilib/AltosUILib.java
@@ -0,0 +1,93 @@
+/*
+ * Copyright © 2010 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+package org.altusmetrum.altosuilib;
+
+import java.awt.*;
+import libaltosJNI.*;
+
+import org.altusmetrum.AltosLib.*;
+
+public class AltosUILib extends AltosLib {
+
+	static final int tab_elt_pad = 5;
+
+	static Font label_font;
+	static Font value_font;
+	static Font status_font;
+	static Font table_label_font;
+	static Font table_value_font;
+
+	final static int font_size_small = 1;
+	final static int font_size_medium = 2;
+	final static int font_size_large = 3;
+
+	static void set_fonts(int size) {
+		int	brief_size;
+		int	table_size;
+		int	status_size;
+
+		switch (size) {
+		case font_size_small:
+			brief_size = 16;
+			status_size = 18;
+			table_size = 11;
+			break;
+		default:
+		case font_size_medium:
+			brief_size = 22;
+			status_size = 24;
+			table_size = 14;
+			break;
+		case font_size_large:
+			brief_size = 26;
+			status_size = 30;
+			table_size = 17;
+			break;
+		}
+		label_font = new Font("Dialog", Font.PLAIN, brief_size);
+		value_font = new Font("Monospaced", Font.PLAIN, brief_size);
+		status_font = new Font("SansSerif", Font.BOLD, status_size);
+		table_label_font = new Font("SansSerif", Font.PLAIN, table_size);
+		table_value_font = new Font("Monospaced", Font.PLAIN, table_size);
+	}
+
+	static final int text_width = 20;
+
+	static public boolean initialized = false;
+	static public boolean loaded_library = false;
+
+	public static boolean load_library() {
+		if (!initialized) {
+			try {
+				System.loadLibrary("altos");
+				libaltos.altos_init();
+				loaded_library = true;
+			} catch (UnsatisfiedLinkError e) {
+				try {
+					System.loadLibrary("altos64");
+					libaltos.altos_init();
+					loaded_library = true;
+				} catch (UnsatisfiedLinkError e2) {
+					loaded_library = false;
+				}
+			}
+			initialized = true;
+		}
+		return loaded_library;
+	}
+}
diff --git a/altosuilib/AltosUIListener.java b/altosuilib/AltosUIListener.java
new file mode 100644
index 00000000..f4127f58
--- /dev/null
+++ b/altosuilib/AltosUIListener.java
@@ -0,0 +1,22 @@
+/*
+ * Copyright © 2011 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+package org.altusmetrum.altosuilib;
+
+public interface AltosUIListener {
+	public void ui_changed(String look_and_feel);
+}
diff --git a/altosuilib/AltosUIPreferences.java b/altosuilib/AltosUIPreferences.java
new file mode 100644
index 00000000..485cb582
--- /dev/null
+++ b/altosuilib/AltosUIPreferences.java
@@ -0,0 +1,180 @@
+/*
+ * Copyright © 2011 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+package org.altusmetrum.altosuilib;
+
+import java.io.*;
+import java.util.*;
+import java.awt.Component;
+import javax.swing.*;
+import org.altusmetrum.AltosLib.*;
+
+public class AltosUIPreferences extends AltosPreferences {
+
+	/* font size preferences name */
+	final static String fontSizePreference = "FONT-SIZE";
+
+	/* Look&Feel preference name */
+	final static String lookAndFeelPreference = "LOOK-AND-FEEL";
+
+	/* UI Component to pop dialogs up */
+	static Component component;
+
+	static LinkedList<AltosFontListener> font_listeners;
+
+	static int font_size = AltosUILib.font_size_medium;
+
+	static LinkedList<AltosUIListener> ui_listeners;
+
+	static String look_and_feel = null;
+
+	/* Serial debug */
+	public static boolean serial_debug;
+
+	public static void init() {
+		AltosPreferences.init(new AltosUIPreferencesBackend());
+
+		font_listeners = new LinkedList<AltosFontListener>();
+
+		font_size = backend.getInt(fontSizePreference, AltosUILib.font_size_medium);
+		AltosUILib.set_fonts(font_size);
+		look_and_feel = backend.getString(lookAndFeelPreference, UIManager.getSystemLookAndFeelClassName());
+
+		ui_listeners = new LinkedList<AltosUIListener>();
+		serial_debug = backend.getBoolean(serialDebugPreference, false);
+		AltosLink.set_debug(serial_debug);
+	}
+
+	static { init(); }
+
+	public static void set_component(Component in_component) {
+		component = in_component;
+	}
+
+	private static boolean check_dir(File dir) {
+		if (!dir.exists()) {
+			if (!dir.mkdirs()) {
+				JOptionPane.showMessageDialog(component,
+							      dir.getName(),
+							      "Cannot create directory",
+							      JOptionPane.ERROR_MESSAGE);
+				return false;
+			}
+		} else if (!dir.isDirectory()) {
+			JOptionPane.showMessageDialog(component,
+						      dir.getName(),
+						      "Is not a directory",
+						      JOptionPane.ERROR_MESSAGE);
+			return false;
+		}
+		return true;
+	}
+
+	/* Configure the log directory. This is where all telemetry and eeprom files
+	 * will be written to, and where replay will look for telemetry files
+	 */
+	public static void ConfigureLog() {
+		JFileChooser	logdir_chooser = new JFileChooser(logdir.getParentFile());
+
+		logdir_chooser.setDialogTitle("Configure Data Logging Directory");
+		logdir_chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
+
+		if (logdir_chooser.showDialog(component, "Select Directory") == JFileChooser.APPROVE_OPTION) {
+			File dir = logdir_chooser.getSelectedFile();
+			if (check_dir(dir))
+				set_logdir(dir);
+		}
+	}
+	public static int font_size() {
+		synchronized (backend) {
+			return font_size;
+		}
+	}
+
+	static void set_fonts() {
+	}
+
+	public static void set_font_size(int new_font_size) {
+		synchronized (backend) {
+			font_size = new_font_size;
+			backend.putInt(fontSizePreference, font_size);
+			flush_preferences();
+			AltosUILib.set_fonts(font_size);
+			for (AltosFontListener l : font_listeners)
+				l.font_size_changed(font_size);
+		}
+	}
+
+	public static void register_font_listener(AltosFontListener l) {
+		synchronized (backend) {
+			font_listeners.add(l);
+		}
+	}
+
+	public static void unregister_font_listener(AltosFontListener l) {
+		synchronized (backend) {
+			font_listeners.remove(l);
+		}
+	}
+
+	public static void set_look_and_feel(String new_look_and_feel) {
+		try {
+			UIManager.setLookAndFeel(new_look_and_feel);
+		} catch (Exception e) {
+		}
+		synchronized(backend) {
+			look_and_feel = new_look_and_feel;
+			backend.putString(lookAndFeelPreference, look_and_feel);
+			flush_preferences();
+			for (AltosUIListener l : ui_listeners)
+				l.ui_changed(look_and_feel);
+		}
+	}
+
+	public static String look_and_feel() {
+		synchronized (backend) {
+			return look_and_feel;
+		}
+	}
+
+	public static void register_ui_listener(AltosUIListener l) {
+		synchronized(backend) {
+			ui_listeners.add(l);
+		}
+	}
+
+	public static void unregister_ui_listener(AltosUIListener l) {
+		synchronized (backend) {
+			ui_listeners.remove(l);
+		}
+	}
+	public static void set_serial_debug(boolean new_serial_debug) {
+		AltosLink.set_debug(new_serial_debug);
+		synchronized (backend) {
+			serial_debug = new_serial_debug;
+			backend.putBoolean(serialDebugPreference, serial_debug);
+			flush_preferences();
+		}
+	}
+
+	public static boolean serial_debug() {
+		synchronized (backend) {
+			return serial_debug;
+		}
+	}
+
+}
diff --git a/altosuilib/AltosUIPreferencesBackend.java b/altosuilib/AltosUIPreferencesBackend.java
new file mode 100644
index 00000000..c6c05e55
--- /dev/null
+++ b/altosuilib/AltosUIPreferencesBackend.java
@@ -0,0 +1,101 @@
+/*
+ * Copyright © 2012 Mike Beattie <mike@ethernal.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+package org.altusmetrum.altosuilib;
+
+import java.io.File;
+import java.util.prefs.*;
+import org.altusmetrum.AltosLib.*;
+import javax.swing.filechooser.FileSystemView;
+
+public class AltosUIPreferencesBackend implements AltosPreferencesBackend {
+
+	private Preferences _preferences = null;
+	
+	public AltosUIPreferencesBackend() {
+		_preferences = Preferences.userRoot().node("/org/altusmetrum/altosui");
+	}
+
+	public AltosUIPreferencesBackend(Preferences in_preferences) {
+		_preferences = in_preferences;
+	}
+
+	public String  getString(String key, String def) {
+		return _preferences.get(key, def);
+	}
+	public void    putString(String key, String value) {
+		_preferences.put(key, value);
+	}
+
+	public int     getInt(String key, int def) {
+		return _preferences.getInt(key, def);
+	}
+	public void    putInt(String key, int value) {
+		_preferences.putInt(key, value);
+	}
+
+	public double  getDouble(String key, double def) {
+		return _preferences.getDouble(key, def);
+	}
+	public void    putDouble(String key, double value) {
+		_preferences.putDouble(key, value);
+	}
+
+	public boolean getBoolean(String key, boolean def) {
+		return _preferences.getBoolean(key, def);
+	}
+	public void    putBoolean(String key, boolean value) {
+		_preferences.putBoolean(key, value);
+	}
+
+	public boolean nodeExists(String key) {
+		try {
+			return _preferences.nodeExists(key);
+		} catch (BackingStoreException be) {
+			return false;
+		}
+	}
+
+	public AltosPreferencesBackend node(String key) {
+		return new AltosUIPreferencesBackend(_preferences.node(key));
+	}
+
+	public String[] keys() {
+		try {
+			return _preferences.keys();
+		} catch (BackingStoreException be) {
+			return null;
+		}
+	}
+
+	public void remove(String key) {
+		_preferences.remove(key);
+	}
+
+	public void    flush() {
+		try {
+			_preferences.flush();
+		} catch (BackingStoreException ee) {
+			System.err.printf("Cannot save preferences\n");
+		}
+	}
+
+	public File homeDirectory() {
+		/* Use the file system view default directory */
+		return FileSystemView.getFileSystemView().getDefaultDirectory();
+	}
+}
diff --git a/altosuilib/AltosUIVersion.java.in b/altosuilib/AltosUIVersion.java.in
new file mode 100644
index 00000000..6fb3b38b
--- /dev/null
+++ b/altosuilib/AltosUIVersion.java.in
@@ -0,0 +1,22 @@
+/*
+ * Copyright © 2011 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+package org.altusmetrum.altosuilib;
+
+public class AltosUIVersion {
+	public final static String version = "@VERSION@";
+}
diff --git a/altosuilib/AltosUnitsListener.java b/altosuilib/AltosUnitsListener.java
new file mode 100644
index 00000000..22c66cd4
--- /dev/null
+++ b/altosuilib/AltosUnitsListener.java
@@ -0,0 +1,22 @@
+/*
+ * Copyright © 2012 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+package org.altusmetrum.altosuilib;
+
+public interface AltosUnitsListener {
+	public void units_changed();
+}
diff --git a/altosuilib/Makefile.am b/altosuilib/Makefile.am
new file mode 100644
index 00000000..26aee7c4
--- /dev/null
+++ b/altosuilib/Makefile.am
@@ -0,0 +1,41 @@
+AM_JAVACFLAGS=-encoding UTF-8 -Xlint:deprecation
+
+JAVAROOT=bin
+
+CLASSPATH_ENV=mkdir -p $(JAVAROOT); CLASSPATH="bin:../altoslib/*:../libaltos:$(FREETTS)/*:/usr/share/java/*"
+
+SRC=.
+BIN=bin/org/altusmetrum/AltosUILib
+
+AltosUILibdir = $(datadir)/java
+
+AltosUILib_JAVA = \
+	AltosConfigureUI.java \
+	AltosFontListener.java \
+	AltosUIDialog.java \
+	AltosUIFrame.java \
+	AltosUILib.java \
+	AltosUIListener.java \
+	AltosUIPreferencesBackend.java \
+	AltosUIPreferences.java \
+	AltosUIVersion.java \
+	AltosUnitsListener.java
+
+JAR=AltosUILib.jar
+
+all-local: $(JAR)
+
+clean-local:
+	-rm -rf bin $(JAR)
+
+install-AltosUILibJAVA: $(JAR)
+	@$(NORMAL_INSTALL)
+	test -z "$(AltosUILibdir)" || $(MKDIR_P) "$(DESTDIR)$(AltosUILibdir)"
+	echo " $(INSTALL_DATA)" "$<" "'$(DESTDIR)$(AltosUILibdir)/$(JAR)"; \
+	$(INSTALL_DATA) "$<" "$(DESTDIR)$(AltosUILibdir)"
+
+bin:
+	mkdir -p bin
+
+$(JAR): classAltosUILib.stamp
+	jar cf $@ -C bin org
diff --git a/configure.ac b/configure.ac
index 55dd20ec..6ad2591c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -146,6 +146,8 @@ AM_CONDITIONAL([LIBSTLINK], [test x$HAVE_STLINK != xno])
 AC_OUTPUT([
 Makefile
 altoslib/Makefile
+altosuilib/Makefile
+altosuilib/AltosUIVersion.java
 altosui/Makefile
 altosui/AltosVersion.java
 altosui/Info.plist