Narrow the desktop contact list

Each contact shows just the date it was last seen, without the client
dot and at half the usual nesting; the full time and server move under
the phonetic nickname as "Last seen … on …".

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

ts3-client/swing/src/main/java/com/ts3client/ui/ContactsDialog.java

@@ -30,6 +30,8 @@ import javax.swing.JTree;
 import javax.swing.KeyStroke;
 import javax.swing.SwingUtilities;
 import javax.swing.TransferHandler;
+import javax.swing.border.Border;
+import javax.swing.plaf.basic.BasicTreeUI;
 import javax.swing.tree.DefaultMutableTreeNode;
 import javax.swing.tree.DefaultTreeCellRenderer;
 import javax.swing.tree.DefaultTreeModel;
@@ -70,6 +72,7 @@ import java.util.regex.Pattern;
 final class ContactsDialog extends JDialog {
 
     private static final DateTimeFormatter SEEN = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm");
+    private static final DateTimeFormatter SEEN_DAY = DateTimeFormatter.ofPattern("yyyy-MM-dd");
     private static final Pattern CLIENT_LINK = Pattern.compile("client://[^\\]\\s]+");
 
     private final ContactStore contacts;
@@ -89,6 +92,7 @@ final class ContactsDialog extends JDialog {
     private final JRadioButton blockedRadio = new JRadioButton("Blocked");
     private final JRadioButton friendRadio = new JRadioButton("Friend");
     private final JTextField phoneticField = new JTextField(18);
+    private final JLabel lastSeenLabel = new JLabel(" ");
     private final JRadioButton bothRadio = new JRadioButton(NicknameDisplay.BOTH.label());
     private final JRadioButton onlyCustomRadio = new JRadioButton(NicknameDisplay.ONLY_CUSTOM.label());
     private final JRadioButton onlyNicknameRadio = new JRadioButton(NicknameDisplay.ONLY_NICKNAME.label());
@@ -173,6 +177,12 @@ final class ContactsDialog extends JDialog {
         root.add(neutral);
         tree.setRootVisible(false);
         tree.setShowsRootHandles(true);
+        // Half the usual nesting, so long names and their dates fit in the narrow list.
+        if (tree.getUI() instanceof BasicTreeUI) {
+            BasicTreeUI ui = (BasicTreeUI) tree.getUI();
+            ui.setLeftChildIndent(UIScale.scale(4));
+            ui.setRightChildIndent(UIScale.scale(5));
+        }
         tree.setRowHeight(UIScale.scale(20));
         tree.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);
         tree.setCellRenderer(new ContactRenderer());
@@ -332,6 +342,8 @@ final class ContactsDialog extends JDialog {
         c.weightx = 1;
         c.fill = GridBagConstraints.HORIZONTAL;
         row.add(phoneticField, c);
+        c.gridy = 4;
+        row.add(lastSeenLabel, c);
         return row;
     }
 
@@ -426,10 +438,12 @@ final class ContactsDialog extends JDialog {
             if (c == null) {
                 nicknameField.setText("");
                 phoneticField.setText("");
+                lastSeenLabel.setText(" ");
                 return;
             }
             nicknameField.setText(c.nickname);
             phoneticField.setText(c.phoneticNickname);
+            lastSeenLabel.setText(lastSeen(c));
             (c.type == ContactType.FRIEND ? friendRadio : c.type == ContactType.BLOCKED ? blockedRadio : neutralRadio)
                     .setSelected(true);
             (c.nicknameDisplay == NicknameDisplay.ONLY_CUSTOM ? onlyCustomRadio
@@ -447,6 +461,12 @@ final class ContactsDialog extends JDialog {
         }
     }
 
+    private static String lastSeen(Contact c) {
+        if (c.lastSeen == null) return "Never seen";
+        String where = c.lastSeenServerName.isEmpty() ? c.lastSeenServerAddress : c.lastSeenServerName;
+        return "Last seen " + SEEN.format(c.lastSeen) + (where.isEmpty() ? "" : " on " + where);
+    }
+
     private static void setDetailsEnabled(Component component, boolean enabled) {
         component.setEnabled(enabled);
         if (component instanceof java.awt.Container) {
@@ -514,6 +534,10 @@ final class ContactsDialog extends JDialog {
     // ---- rendering ----
 
     private static final class ContactRenderer extends DefaultTreeCellRenderer {
+        private final Border margin = getBorder();
+        /** Keeps a group's name clear of its expand arrow, which the tight nesting brings close. */
+        private final Border groupMargin = BorderFactory.createCompoundBorder(margin, new ScaledEmptyBorder(0, 4, 0, 0));
+
         @Override
         public Component getTreeCellRendererComponent(JTree tree, Object value, boolean sel, boolean expanded,
                                                       boolean leaf, int row, boolean hasFocus) {
@@ -522,23 +546,18 @@ final class ContactsDialog extends JDialog {
             if (obj instanceof Contact) {
                 Contact c = (Contact) obj;
                 setText("<html>" + esc(c.nickname) + " <span style='color:" + hex(sel ? getForeground() : Theme.chatSystem())
-                        + "'>&nbsp;" + esc(lastSeen(c)) + "</span></html>");
+                        + "'>&nbsp;" + (c.lastSeen == null ? "Never" : SEEN_DAY.format(c.lastSeen)) + "</span></html>");
-                setIcon(Icons.clientIdle());
                 setFont(Theme.uiFont());
+                setBorder(margin);
             } else {
                 setText(String.valueOf(obj));
-                setIcon(null);
                 setFont(Theme.uiBold());
+                setBorder(groupMargin);
             }
+            setIcon(null);
             return this;
         }
 
-        private static String lastSeen(Contact c) {
-            if (c.lastSeen == null) return "Never";
-            String where = c.lastSeenServerName.isEmpty() ? c.lastSeenServerAddress : c.lastSeenServerName;
-            return where.isEmpty() ? SEEN.format(c.lastSeen) : SEEN.format(c.lastSeen) + " on " + where;
-        }
-
         private static String esc(String s) {
             return s.replace("&", "&amp;").replace("<", "&lt;").replace(">", "&gt;");
         }