Let chat logs be turned off or kept elsewhere

Chat logs always went into the TeamSpeak 3 client's own folder. A new
Chat page in Options can turn them off, or point them at another
folder; left empty, they are still shared with the TeamSpeak 3 client.

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

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

@@ -0,0 +1,80 @@
+package com.ts3client.ui;
+
+import com.formdev.flatlaf.util.UIScale;
+import com.ts3client.config.AppDirs;
+import com.ts3client.config.Settings;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JFileChooser;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JTextField;
+import java.awt.BorderLayout;
+import java.awt.GridBagConstraints;
+import java.io.File;
+
+/**
+ * Options page for chat logs: whether they are kept, and where. By default they go into the
+ * TeamSpeak 3 client's own folder, so both clients show the same history.
+ */
+final class ChatLogsPanel extends FormPanel {
+
+    private final Settings settings;
+    private final JCheckBox enabled = new JCheckBox("Keep chat logs");
+    private final JTextField folder = new JTextField(18);
+    private final JButton browse = new JButton("Browse…");
+
+    ChatLogsPanel(Settings settings) {
+        this.settings = settings;
+        GridBagConstraints c = gbc();
+
+        enabled.setSelected(settings.chatLogs);
+        enabled.setToolTipText("Write every chat to disk and show its history when it opens again");
+        enabled.addActionListener(e -> updateEnabled());
+        c.gridx = 0;
+        c.gridy = 0;
+        c.gridwidth = 2;
+        add(enabled, c);
+
+        folder.setText(settings.chatLogDir);
+        folder.putClientProperty("JTextField.placeholderText", "The TeamSpeak 3 client's folder");
+        folder.setToolTipText("<html>Leave empty to share the TeamSpeak 3 client's logs:<br>"
+                + AppDirs.chatLogs() + "</html>");
+        limitWidth(folder, FIELD_WIDTH);
+        browse.addActionListener(e -> browseForFolder());
+        JPanel row = new JPanel(new BorderLayout(UIScale.scale(6), 0));
+        row.add(folder, BorderLayout.CENTER);
+        row.add(browse, BorderLayout.EAST);
+        addRow(this, c, 1, new JLabel("Folder:"), row);
+
+        c.gridy = 2;
+        c.gridx = 1;
+        c.weighty = 1;
+        c.anchor = GridBagConstraints.NORTHWEST;
+        add(new JLabel("Takes effect on the next connect."), c);
+        updateEnabled();
+    }
+
+    private void updateEnabled() {
+        folder.setEnabled(enabled.isSelected());
+        browse.setEnabled(enabled.isSelected());
+    }
+
+    private void browseForFolder() {
+        JFileChooser chooser = new JFileChooser();
+        chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
+        chooser.setDialogTitle("Folder for chat logs");
+        String current = folder.getText().trim();
+        chooser.setCurrentDirectory(current.isEmpty() ? AppDirs.chatLogs().toFile() : new File(current));
+        if (chooser.showOpenDialog(this) == JFileChooser.APPROVE_OPTION) {
+            folder.setText(chooser.getSelectedFile().getAbsolutePath());
+        }
+    }
+
+    /** Copies the page into the settings; the caller saves them. */
+    void apply() {
+        settings.chatLogs = enabled.isSelected();
+        settings.chatLogDir = folder.getText().trim();
+    }
+}

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

@@ -39,6 +39,7 @@ public final class SettingsDialog extends JDialog {
     private final HotkeysPanel hotkeysPanel;
     private final ClientVersionPanel clientVersionPanel;
     private final ContactsPanel contactsPanel;
+    private final ChatLogsPanel chatLogsPanel;
 
     public SettingsDialog(Frame owner, Settings settings, AudioBackend audio,
                           VoiceInput liveMic, VoiceOutput livePlayback,
@@ -54,6 +55,7 @@ public final class SettingsDialog extends JDialog {
         hotkeysPanel = new HotkeysPanel(hotkeys);
         clientVersionPanel = new ClientVersionPanel(settings);
         contactsPanel = new ContactsPanel(settings);
+        chatLogsPanel = new ChatLogsPanel(settings);
         devicesPanel = new DevicesPanel(settings, audio.io(), livePlayback,
                 this::applyLive, this::restartTest, this::setTestOutputDevice);
         voiceActivationPanel = new VoiceActivationPanel(settings, audio, liveMic, hotkeys,
@@ -66,6 +68,7 @@ public final class SettingsDialog extends JDialog {
         tabs.addTab("Design", designPanel);
         tabs.addTab("Hotkeys", hotkeysPanel);
         tabs.addTab("Contacts", contactsPanel);
+        tabs.addTab("Chat", scrollable(chatLogsPanel));
         tabs.addTab("Client Version", scrollable(clientVersionPanel));
 
         JPanel buttons = new JPanel(new BorderLayout());
@@ -143,6 +146,7 @@ public final class SettingsDialog extends JDialog {
         designPanel.apply();
         clientVersionPanel.apply();
         contactsPanel.apply();
+        chatLogsPanel.apply();
         hotkeysPanel.apply();
         settings.save();