From 3a197eea929e9fcb76ef3985c379aeb2456a56e9 Mon Sep 17 00:00:00 2001
From: David Lindbom <hi@davidlindbom.se>
Date: Sun, 9 Jan 2022 20:31:53 +0100
Subject: [PATCH] Pong: Add link to help pages in menu

---
 Userland/Games/Pong/CMakeLists.txt | 2 +-
 Userland/Games/Pong/main.cpp       | 9 +++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/Userland/Games/Pong/CMakeLists.txt b/Userland/Games/Pong/CMakeLists.txt
index d6f8de6dc1..1787e60133 100644
--- a/Userland/Games/Pong/CMakeLists.txt
+++ b/Userland/Games/Pong/CMakeLists.txt
@@ -10,4 +10,4 @@ set(SOURCES
 )
 
 serenity_app(Pong ICON app-pong)
-target_link_libraries(Pong LibGUI LibMain)
+target_link_libraries(Pong LibGUI LibMain LibDesktop)
diff --git a/Userland/Games/Pong/main.cpp b/Userland/Games/Pong/main.cpp
index ae58015448..fb3accfc3f 100644
--- a/Userland/Games/Pong/main.cpp
+++ b/Userland/Games/Pong/main.cpp
@@ -5,7 +5,9 @@
  */
 
 #include "Game.h"
+#include <AK/URL.h>
 #include <LibCore/System.h>
+#include <LibDesktop/Launcher.h>
 #include <LibGUI/Application.h>
 #include <LibGUI/Icon.h>
 #include <LibGUI/Menu.h>
@@ -20,9 +22,13 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
 
     auto app = TRY(GUI::Application::try_create(arguments));
 
+    TRY(Desktop::Launcher::add_allowed_handler_with_only_specific_urls("/bin/Help", { URL::create_with_file_protocol("/usr/share/man/man6/Pong.md") }));
+    TRY(Desktop::Launcher::seal_allowlist());
+
     TRY(Core::System::pledge("stdio rpath recvfd sendfd"));
 
     TRY(Core::System::unveil("/res", "r"));
+    TRY(Core::System::unveil("/tmp/portal/launch", "rw"));
     TRY(Core::System::unveil(nullptr, nullptr));
 
     auto window = TRY(GUI::Window::try_create());
@@ -40,6 +46,9 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     })));
 
     auto help_menu = TRY(window->try_add_menu("&Help"));
+    TRY(help_menu->try_add_action(GUI::CommonActions::make_help_action([](auto&) {
+        Desktop::Launcher::open(URL::create_with_file_protocol("/usr/share/man/man6/Pong.md"), "/bin/Help");
+    })));
     TRY(help_menu->try_add_action(GUI::CommonActions::make_about_action("Pong", app_icon, window)));
 
     window->show();