From 89d7d29d68afe071531e8675ac28041052dc2cf5 Mon Sep 17 00:00:00 2001
From: Sam Atkins <atkinssj@serenityos.org>
Date: Wed, 1 Feb 2023 21:33:31 +0000
Subject: [PATCH] Chess: Automatically update and repaint when the config
 changes

---
 Userland/Games/Chess/ChessWidget.cpp | 25 +++++++++++++++++++++++++
 Userland/Games/Chess/ChessWidget.h   |  9 ++++++++-
 Userland/Games/Chess/main.cpp        |  1 +
 3 files changed, 34 insertions(+), 1 deletion(-)

diff --git a/Userland/Games/Chess/ChessWidget.cpp b/Userland/Games/Chess/ChessWidget.cpp
index 9cab866254..6606a58c5d 100644
--- a/Userland/Games/Chess/ChessWidget.cpp
+++ b/Userland/Games/Chess/ChessWidget.cpp
@@ -699,3 +699,28 @@ int ChessWidget::resign()
 
     return 0;
 }
+
+void ChessWidget::config_string_did_change(DeprecatedString const& domain, DeprecatedString const& group, DeprecatedString const& key, DeprecatedString const& value)
+{
+    if (domain != "Games"sv && group != "Chess"sv)
+        return;
+
+    if (key == "PieceSet"sv) {
+        set_piece_set(value);
+        update();
+    } else if (key == "BoardTheme"sv) {
+        set_board_theme(value);
+        update();
+    }
+}
+
+void ChessWidget::config_bool_did_change(DeprecatedString const& domain, DeprecatedString const& group, DeprecatedString const& key, bool value)
+{
+    if (domain != "Games"sv && group != "Chess"sv)
+        return;
+
+    if (key == "ShowCoordinates"sv) {
+        set_coordinates(value);
+        update();
+    }
+}
diff --git a/Userland/Games/Chess/ChessWidget.h b/Userland/Games/Chess/ChessWidget.h
index e0c5eb7a27..9550e11995 100644
--- a/Userland/Games/Chess/ChessWidget.h
+++ b/Userland/Games/Chess/ChessWidget.h
@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2020-2022, the SerenityOS developers.
+ * Copyright (c) 2023, Sam Atkins <atkinssj@serenityos.org>
  *
  * SPDX-License-Identifier: BSD-2-Clause
  */
@@ -11,10 +12,13 @@
 #include <AK/NonnullRefPtr.h>
 #include <AK/Optional.h>
 #include <LibChess/Chess.h>
+#include <LibConfig/Listener.h>
 #include <LibGUI/Frame.h>
 #include <LibGfx/Bitmap.h>
 
-class ChessWidget final : public GUI::Frame {
+class ChessWidget final
+    : public GUI::Frame
+    , public Config::Listener {
     C_OBJECT(ChessWidget);
 
 public:
@@ -107,6 +111,9 @@ public:
 private:
     ChessWidget();
 
+    virtual void config_string_did_change(DeprecatedString const& domain, DeprecatedString const& group, DeprecatedString const& key, DeprecatedString const& value) override;
+    virtual void config_bool_did_change(DeprecatedString const& domain, DeprecatedString const& group, DeprecatedString const& key, bool value) override;
+
     Chess::Board m_board;
     Chess::Board m_board_playback;
     bool m_playback { false };
diff --git a/Userland/Games/Chess/main.cpp b/Userland/Games/Chess/main.cpp
index c9bde1d7a6..830eec9bd8 100644
--- a/Userland/Games/Chess/main.cpp
+++ b/Userland/Games/Chess/main.cpp
@@ -27,6 +27,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     auto app = TRY(GUI::Application::try_create(arguments));
 
     Config::pledge_domain("Games");
+    Config::monitor_domain("Games");
 
     TRY(Desktop::Launcher::add_allowed_handler_with_only_specific_urls("/bin/Help", { URL::create_with_file_scheme("/usr/share/man/man6/Chess.md") }));
     TRY(Desktop::Launcher::seal_allowlist());