Identicon support and UI improvements.

platform-independent/java/algorithm/src/main/java/com/lyndir/masterpassword/MPIdenticon.java

@@ -27,6 +27,7 @@ import com.lyndir.lhunath.opal.system.logging.Logger;
 import java.nio.*;
 import java.nio.charset.Charset;
 import java.util.Arrays;
+import java.util.Locale;
 
 
 /**
@@ -83,6 +84,10 @@ public class MPIdenticon {
         return text;
     }
 
+    public String getHTML() {
+        return strf( "<span style='color: %s'>%s</span>", color.getCSS(), text );
+    }
+
     public Color getColor() {
         return color;
     }
@@ -94,6 +99,15 @@ public class MPIdenticon {
         BLUE,
         MAGENTA,
         CYAN,
-        MONO
+        MONO {
+            @Override
+            public String getCSS() {
+                return "inherit";
+            }
+        };
+
+        public String getCSS() {
+            return name().toLowerCase( Locale.ROOT );
+        }
     }
 }

platform-independent/java/gui/src/main/java/com/lyndir/masterpassword/gui/Res.java

@@ -180,20 +180,20 @@ public abstract class Res {
 
     public static class Fonts {
 
-        public Font emoticonsFont() {
+        public Font emoticonsFont(final float size) {
-            return emoticonsRegular();
+            return emoticonsRegular().deriveFont( size );
         }
 
-        public Font controlFont() {
+        public Font controlFont(final float size) {
-            return exoRegular();
+            return exoRegular().deriveFont( size );
         }
 
-        public Font valueFont() {
+        public Font valueFont(final float size) {
-            return sourceSansProRegular();
+            return sourceSansProRegular().deriveFont( size );
         }
 
-        public Font bigValueFont() {
+        public Font bigValueFont(final float size) {
-            return sourceSansProBlack();
+            return sourceSansProBlack().deriveFont( size );
         }
 
         public Font emoticonsRegular() {
@@ -268,12 +268,17 @@ public abstract class Res {
 
     public static class Colors {
 
+        private final Color transparent   = new Color( 0, 0, 0, 0 );
         private final Color frameBg       = Color.decode( "#5A5D6B" );
         private final Color controlBg     = SystemColor.window;
         private final Color controlBorder = Color.decode( "#BFBFBF" );
         private final Color highlightFg   = SystemColor.controlHighlight;
         private final Color errorFg       = Color.decode( "#FF3333" );
 
+        public Color transparent() {
+            return transparent;
+        }
+
         public Color frameBg() {
             return frameBg;
         }

platform-independent/java/gui/src/main/java/com/lyndir/masterpassword/gui/util/CollectionListModel.java

@@ -4,17 +4,20 @@ import com.google.common.collect.ImmutableList;
 import java.util.*;
 import javax.annotation.Nullable;
 import javax.swing.*;
+import javax.swing.event.ListSelectionEvent;
+import javax.swing.event.ListSelectionListener;
 
 
 /**
  * @author lhunath, 2018-07-19
  */
 @SuppressWarnings("serial")
-public class CollectionListModel<E> extends AbstractListModel<E> implements ComboBoxModel<E> {
+public class CollectionListModel<E> extends AbstractListModel<E> implements ComboBoxModel<E>, ListSelectionListener {
 
     private final List<E>  model = new LinkedList<>();
     @Nullable
     private       E        selectedItem;
+    private       JList<E> list;
 
     public CollectionListModel() {
     }
@@ -77,6 +80,10 @@ public class CollectionListModel<E> extends AbstractListModel<E> implements Comb
         if (!Objects.equals( selectedItem, newSelectedItem ) && model.contains( newSelectedItem )) {
             selectedItem = (E) newSelectedItem;
             fireContentsChanged( this, -1, -1 );
+
+            //noinspection ObjectEquality
+            if ((list != null) && (list.getModel() == this))
+                list.setSelectedValue( selectedItem, true );
         }
     }
 
@@ -85,4 +92,21 @@ public class CollectionListModel<E> extends AbstractListModel<E> implements Comb
     public synchronized E getSelectedItem() {
         return selectedItem;
     }
+
+    public synchronized void registerList(final JList<E> list) {
+        // TODO: This class should probably implement ListSelectionModel instead.
+        if (this.list != null)
+            this.list.removeListSelectionListener( this );
+
+        this.list = list;
+        this.list.addListSelectionListener( this );
+        this.list.setModel( this );
+    }
+
+    @Override
+    public synchronized void valueChanged(final ListSelectionEvent event) {
+        //noinspection ObjectEquality
+        if ((event.getSource() == list) && (list.getModel() == this))
+            selectedItem = list.getSelectedValue();
+    }
 }

platform-independent/java/gui/src/main/java/com/lyndir/masterpassword/gui/util/Components.java

@@ -32,8 +32,10 @@ import javax.swing.border.CompoundBorder;
  */
 public abstract class Components {
 
-    private static final float HEADING_TEXT_SIZE = 19f;
+    public static final float TEXT_SIZE_HEADING = 19f;
-    private static final float CONTROL_TEXT_SIZE = 13f;
+    public static final float TEXT_SIZE_CONTROL = 13f;
+    public static final int   SIZE_MARGIN       = 20;
+    public static final int   SIZE_PADDING      = 8;
 
     public static GradientPanel boxPanel(final int axis, final Component... components) {
         GradientPanel container = gradientPanel( null, null );
@@ -77,7 +79,7 @@ public abstract class Components {
             {
                 setBorder( BorderFactory.createCompoundBorder( BorderFactory.createLineBorder( Res.colors().controlBorder(), 1, true ),
                                                                BorderFactory.createEmptyBorder( 4, 4, 4, 4 ) ) );
-                setFont( Res.fonts().valueFont().deriveFont( CONTROL_TEXT_SIZE ) );
+                setFont( Res.fonts().valueFont( TEXT_SIZE_CONTROL ) );
                 setAlignmentX( LEFT_ALIGNMENT );
                 setAlignmentY( BOTTOM_ALIGNMENT );
             }
@@ -108,7 +110,7 @@ public abstract class Components {
     public static <E> JList<E> list(final ListModel<E> model, final Function<E, String> valueTransformer) {
         return new JList<E>( model ) {
             {
-                setFont( Res.fonts().valueFont().deriveFont( CONTROL_TEXT_SIZE ) );
+                setFont( Res.fonts().valueFont( TEXT_SIZE_CONTROL ) );
                 setBorder( BorderFactory.createEmptyBorder( 4, 0, 4, 0 ) );
                 setCellRenderer( new DefaultListCellRenderer() {
                     {
@@ -147,7 +149,7 @@ public abstract class Components {
     public static JButton button(final String label) {
         return new JButton( label ) {
             {
-                setFont( Res.fonts().controlFont().deriveFont( CONTROL_TEXT_SIZE ) );
+                setFont( Res.fonts().controlFont( TEXT_SIZE_CONTROL ) );
                 setAlignmentX( LEFT_ALIGNMENT );
                 setAlignmentY( BOTTOM_ALIGNMENT );
             }
@@ -160,7 +162,7 @@ public abstract class Components {
     }
 
     public static Component strut() {
-        return strut( 8 );
+        return strut( SIZE_PADDING );
     }
 
     public static Component strut(final int size) {
@@ -172,6 +174,18 @@ public abstract class Components {
         return rigidArea;
     }
 
+    public static int margin() {
+        return SIZE_MARGIN;
+    }
+
+    public static Border marginBorder() {
+        return marginBorder( margin() );
+    }
+
+    public static Border marginBorder(final int size) {
+        return BorderFactory.createEmptyBorder( size, size, size, size );
+    }
+
     public static JSpinner spinner(final SpinnerModel model) {
         return new JSpinner( model ) {
             {
@@ -191,6 +205,14 @@ public abstract class Components {
         };
     }
 
+    public static JLabel heading() {
+        return heading( " " );
+    }
+
+    public static JLabel heading(final int horizontalAlignment) {
+        return heading( " ", horizontalAlignment );
+    }
+
     public static JLabel heading(@Nullable final String heading) {
         return heading( heading, SwingConstants.CENTER );
     }
@@ -207,7 +229,7 @@ public abstract class Components {
     public static JLabel heading(@Nullable final String heading, final int horizontalAlignment) {
         return new JLabel( heading, horizontalAlignment ) {
             {
-                setFont( Res.fonts().controlFont().deriveFont( Font.BOLD, HEADING_TEXT_SIZE ) );
+                setFont( Res.fonts().controlFont( TEXT_SIZE_HEADING ).deriveFont( Font.BOLD ) );
                 setAlignmentX( LEFT_ALIGNMENT );
                 setAlignmentY( BOTTOM_ALIGNMENT );
             }
@@ -219,6 +241,14 @@ public abstract class Components {
         };
     }
 
+    public static JLabel label() {
+        return label( " " );
+    }
+
+    public static JLabel label(final int horizontalAlignment) {
+        return label( " ", horizontalAlignment );
+    }
+
     public static JLabel label(@Nullable final String label) {
         return label( label, SwingConstants.LEADING );
     }
@@ -235,7 +265,7 @@ public abstract class Components {
     public static JLabel label(@Nullable final String label, final int horizontalAlignment) {
         return new JLabel( label, horizontalAlignment ) {
             {
-                setFont( Res.fonts().controlFont().deriveFont( CONTROL_TEXT_SIZE ) );
+                setFont( Res.fonts().controlFont( TEXT_SIZE_CONTROL ) );
                 setAlignmentX( LEFT_ALIGNMENT );
                 setAlignmentY( BOTTOM_ALIGNMENT );
             }
@@ -250,7 +280,7 @@ public abstract class Components {
     public static JCheckBox checkBox(final String label) {
         return new JCheckBox( label ) {
             {
-                setFont( Res.fonts().controlFont().deriveFont( CONTROL_TEXT_SIZE ) );
+                setFont( Res.fonts().controlFont( TEXT_SIZE_CONTROL ) );
                 setBackground( null );
                 setAlignmentX( LEFT_ALIGNMENT );
                 setAlignmentY( BOTTOM_ALIGNMENT );
@@ -266,7 +296,7 @@ public abstract class Components {
     public static <E> JComboBox<E> comboBox(final ComboBoxModel<E> model, final Function<E, String> valueTransformer) {
         return new JComboBox<E>( model ) {
             {
-                setFont( Res.fonts().valueFont().deriveFont( CONTROL_TEXT_SIZE ) );
+                setFont( Res.fonts().valueFont( TEXT_SIZE_CONTROL ) );
                 setBorder( BorderFactory.createEmptyBorder( 4, 0, 4, 0 ) );
                 setRenderer( new DefaultListCellRenderer() {
                     {

platform-independent/java/gui/src/main/java/com/lyndir/masterpassword/gui/view/FilesPanel.java

@@ -28,7 +28,7 @@ public class FilesPanel extends JPanel implements ItemListener {
 
     protected FilesPanel() {
         setOpaque( false );
-        setBackground( new Color( 0, 0, 0, 0 ) );
+        setBackground( Res.colors().transparent() );
         setLayout( new BoxLayout( this, BoxLayout.PAGE_AXIS ) );
 
         // -
@@ -46,9 +46,6 @@ public class FilesPanel extends JPanel implements ItemListener {
         // User Selection
         add( userField );
         userField.addItemListener( this );
-
-        // -
-        add( Box.createVerticalGlue() );
     }
 
     public void reload() {

platform-independent/java/gui/src/main/java/com/lyndir/masterpassword/gui/view/MasterPasswordFrame.java

@@ -1,9 +1,12 @@
 package com.lyndir.masterpassword.gui.view;
 
+import com.lyndir.lhunath.opal.system.logging.Logger;
 import com.lyndir.masterpassword.gui.Res;
 import com.lyndir.masterpassword.gui.util.Components;
 import com.lyndir.masterpassword.model.MPUser;
 import java.awt.*;
+import java.awt.event.ComponentEvent;
+import java.awt.event.ComponentListener;
 import javax.annotation.Nullable;
 import javax.swing.*;
 
@@ -11,21 +14,24 @@ import javax.swing.*;
 /**
  * @author lhunath, 2018-07-14
  */
-@SuppressWarnings("MagicNumber")
+@SuppressWarnings("serial")
-public class MasterPasswordFrame extends JFrame implements FilesPanel.Listener {
+public class MasterPasswordFrame extends JFrame implements FilesPanel.Listener, ComponentListener {
+
+    private static final Logger logger = Logger.get( MasterPasswordFrame.class );
 
     @SuppressWarnings("FieldCanBeLocal")
     private final Components.GradientPanel root;
     private final FilesPanel               filesPanel = new FilesPanel();
     private final UserPanel                userPanel  = new UserPanel();
 
+    @SuppressWarnings("MagicNumber")
     public MasterPasswordFrame() {
         super( "Master Password" );
 
         setDefaultCloseOperation( DISPOSE_ON_CLOSE );
         setContentPane( root = Components.gradientPanel( Res.colors().frameBg(), new FlowLayout() ) );
         root.setLayout( new BoxLayout( root, BoxLayout.PAGE_AXIS ) );
-        root.setBorder( BorderFactory.createEmptyBorder( 20, 20, 20, 20 ) );
+        root.setBorder( Components.marginBorder() );
 
         root.add( filesPanel );
         root.add( new JSeparator( SwingConstants.HORIZONTAL ) );
@@ -35,7 +41,8 @@ public class MasterPasswordFrame extends JFrame implements FilesPanel.Listener {
         filesPanel.addListener( this );
         filesPanel.reload();
 
-        setMinimumSize( new Dimension( 640, 480 ) );
+        addComponentListener(this  );
+        setPreferredSize( new Dimension( 640, 480 ) );
         pack();
 
         setLocationByPlatform( true );
@@ -46,4 +53,21 @@ public class MasterPasswordFrame extends JFrame implements FilesPanel.Listener {
     public void onUserSelected(@Nullable final MPUser<?> selectedUser) {
         userPanel.setUser( selectedUser );
     }
+
+    @Override
+    public void componentResized(final ComponentEvent e) {
+    }
+
+    @Override
+    public void componentMoved(final ComponentEvent e) {
+    }
+
+    @Override
+    public void componentShown(final ComponentEvent e) {
+        userPanel.transferFocus();
+    }
+
+    @Override
+    public void componentHidden(final ComponentEvent e) {
+    }
 }

platform-independent/java/gui/src/main/java/com/lyndir/masterpassword/gui/view/UserPanel.java

@@ -15,7 +15,9 @@ import java.awt.datatransfer.StringSelection;
 import java.awt.datatransfer.Transferable;
 import java.awt.event.*;
 import java.util.Objects;
+import java.util.Random;
 import java.util.concurrent.Future;
+import java.util.concurrent.TimeUnit;
 import java.util.function.Consumer;
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
@@ -34,8 +36,9 @@ public class UserPanel extends Components.GradientPanel implements MPUser.Listen
     private MPUser<?> user;
 
     public UserPanel() {
-        super( new BorderLayout( 20, 20 ), null );
+        super( new BorderLayout( Components.margin(), Components.margin() ), null );
-        setBorder( BorderFactory.createEmptyBorder( 20, 20, 20, 20 ) );
+        setBorder( Components.marginBorder() );
+        setUser( null );
     }
 
     public void setUser(@Nullable final MPUser<?> user) {
@@ -61,6 +64,7 @@ public class UserPanel extends Components.GradientPanel implements MPUser.Listen
             }
 
             revalidate();
+            transferFocus();
         } );
     }
 
@@ -88,11 +92,16 @@ public class UserPanel extends Components.GradientPanel implements MPUser.Listen
 
     private static final class AuthenticateUserPanel extends JPanel implements ActionListener, DocumentListener {
 
+        private static final Random random = new Random();
+
         @Nonnull
         private final MPUser<?> user;
 
         private final JPasswordField masterPasswordField = Components.passwordField();
-        private final JLabel         errorLabel          = Components.label( null );
+        private final JLabel         errorLabel          = Components.label();
+        private final JLabel         identiconLabel      = Components.label( SwingConstants.CENTER );
+
+        private Future<?> identiconJob;
 
         private AuthenticateUserPanel(@Nonnull final MPUser<?> user) {
             setLayout( new BoxLayout( this, BoxLayout.PAGE_AXIS ) );
@@ -110,15 +119,21 @@ public class UserPanel extends Components.GradientPanel implements MPUser.Listen
             add( errorLabel );
             errorLabel.setForeground( Res.colors().errorFg() );
 
-            add( Box.createGlue() );
+            add( Components.strut() );
+            add( identiconLabel );
+            identiconLabel.setFont( Res.fonts().emoticonsFont( Components.TEXT_SIZE_CONTROL ) );
 
-            Res.ui( false, masterPasswordField::requestFocusInWindow );
+            add( Box.createGlue() );
         }
 
         @Override
         public void actionPerformed(final ActionEvent event) {
+            updateIdenticon();
+            
+            char[] masterPassword = masterPasswordField.getPassword();
+            Res.job( () -> {
                 try {
-                user.authenticate( masterPasswordField.getPassword() );
+                    user.authenticate( masterPassword );
                 }
                 catch (final MPIncorrectMasterPasswordException e) {
                     logger.wrn( e, "During user authentication for: %s", user );
@@ -128,21 +143,48 @@ public class UserPanel extends Components.GradientPanel implements MPUser.Listen
                     logger.err( e, "During user authentication for: %s", user );
                     errorLabel.setText( e.getLocalizedMessage() );
                 }
+            } );
         }
 
         @Override
         public void insertUpdate(final DocumentEvent event) {
-            errorLabel.setText( null );
+            update();
         }
 
         @Override
         public void removeUpdate(final DocumentEvent event) {
-            errorLabel.setText( null );
+            update();
         }
 
         @Override
         public void changedUpdate(final DocumentEvent event) {
+            update();
+        }
+
+        private synchronized void update() {
             errorLabel.setText( null );
+
+            if (identiconJob != null)
+                identiconJob.cancel( true );
+
+            identiconJob = Res.job( this::updateIdenticon, 100 + random.nextInt( 100 ), TimeUnit.MILLISECONDS );
+        }
+
+        private void updateIdenticon() {
+            char[] masterPassword = masterPasswordField.getPassword();
+            MPIdenticon identicon = ((masterPassword != null) && (masterPassword.length > 0))?
+                    new MPIdenticon( user.getFullName(), masterPassword ): null;
+
+            Res.ui( () -> {
+                if (identicon != null) {
+                    identiconLabel.setForeground(
+                            Res.colors().fromIdenticonColor( identicon.getColor(), Res.Colors.BackgroundMode.LIGHT ) );
+                    identiconLabel.setText( identicon.getText() );
+                } else {
+                    identiconLabel.setForeground( null );
+                    identiconLabel.setText( " " );
+                }
+            } );
         }
     }
 
@@ -150,11 +192,13 @@ public class UserPanel extends Components.GradientPanel implements MPUser.Listen
     private static final class AuthenticatedUserPanel extends JPanel implements ActionListener, DocumentListener, ListSelectionListener,
             KeyListener {
 
+        public static final int SIZE_RESULT = 48;
+
         @Nonnull
         private final MPUser<?>                      user;
-        private final JLabel                         passwordLabel = Components.label( " ", SwingConstants.CENTER );
+        private final JLabel                         passwordLabel = Components.label( SwingConstants.CENTER );
-        private final JLabel                         passwordField = Components.heading( " ", SwingConstants.CENTER );
+        private final JLabel                         passwordField = Components.heading( SwingConstants.CENTER );
-        private final JLabel                         queryLabel    = Components.label( " " );
+        private final JLabel                         queryLabel    = Components.label();
         private final JTextField                     queryField    = Components.textField();
         private final CollectionListModel<MPSite<?>> sitesModel    = new CollectionListModel<>();
         private final JList<MPSite<?>>               sitesList     = Components.list( sitesModel,
@@ -172,7 +216,7 @@ public class UserPanel extends Components.GradientPanel implements MPUser.Listen
             add( passwordLabel );
             add( passwordField );
             passwordField.setForeground( Res.colors().highlightFg() );
-            passwordField.setFont( Res.fonts().bigValueFont().deriveFont( Font.BOLD, 48 ) );
+            passwordField.setFont( Res.fonts().bigValueFont( SIZE_RESULT ) );
             add( Box.createGlue() );
             add( Components.strut() );
 
@@ -182,12 +226,12 @@ public class UserPanel extends Components.GradientPanel implements MPUser.Listen
             queryField.addActionListener( this );
             queryField.addKeyListener( this );
             queryField.getDocument().addDocumentListener( this );
+            queryField.requestFocusInWindow();
             add( Components.strut() );
             add( Components.scrollPane( sitesList ) );
+            sitesModel.registerList( sitesList );
             sitesList.addListSelectionListener( this );
             add( Box.createGlue() );
-
-            Res.ui( false, queryField::requestFocusInWindow );
         }
 
         @Override