From 3d126fe921eeaed269d408a5fb8b1f757afaca21 Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Tue, 23 Nov 2021 15:20:11 +0100
Subject: [PATCH] WidgetGallery: Port to LibMain :^)

---
 Userland/Demos/WidgetGallery/CMakeLists.txt |  2 +-
 Userland/Demos/WidgetGallery/main.cpp       | 47 ++++++---------------
 2 files changed, 13 insertions(+), 36 deletions(-)

diff --git a/Userland/Demos/WidgetGallery/CMakeLists.txt b/Userland/Demos/WidgetGallery/CMakeLists.txt
index 8afdf67022..71d1e410c8 100644
--- a/Userland/Demos/WidgetGallery/CMakeLists.txt
+++ b/Userland/Demos/WidgetGallery/CMakeLists.txt
@@ -27,4 +27,4 @@ set(SOURCES
 )
 
 serenity_app(WidgetGallery ICON app-widget-gallery)
-target_link_libraries(WidgetGallery LibGUI)
+target_link_libraries(WidgetGallery LibGUI LibMain)
diff --git a/Userland/Demos/WidgetGallery/main.cpp b/Userland/Demos/WidgetGallery/main.cpp
index 4f92b13ada..539dbd3a32 100644
--- a/Userland/Demos/WidgetGallery/main.cpp
+++ b/Userland/Demos/WidgetGallery/main.cpp
@@ -1,53 +1,30 @@
 /*
- * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
+ * Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
  * Copyright (c) 2020, Linus Groh <linusg@serenityos.org>
  *
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
 #include "GalleryWidget.h"
+#include <LibCore/System.h>
 #include <LibGUI/Application.h>
 #include <LibGUI/Icon.h>
 #include <LibGUI/Window.h>
-#include <unistd.h>
+#include <LibMain/Main.h>
 
-int main(int argc, char** argv)
+ErrorOr<int> serenity_main(Main::Arguments arguments)
 {
-    if (pledge("stdio recvfd sendfd rpath unix thread", nullptr) < 0) {
-        perror("pledge");
-        return 1;
-    }
-
-    auto app = GUI::Application::construct(argc, argv);
-
-    if (pledge("stdio recvfd sendfd rpath thread", nullptr) < 0) {
-        perror("pledge");
-        return 1;
-    }
-
-    if (unveil("/res", "r") < 0) {
-        perror("unveil");
-        return 1;
-    }
-
-    if (unveil("/home/anon", "r") < 0) {
-        perror("unveil");
-        return 1;
-    }
-
-    if (unveil("/etc/FileIconProvider.ini", "r") < 0) {
-        perror("unveil");
-        return 1;
-    }
-
-    if (unveil(nullptr, nullptr) < 0) {
-        perror("unveil");
-        return 1;
-    }
+    TRY(Core::System::pledge("stdio recvfd sendfd rpath unix thread", nullptr));
+    auto app = TRY(GUI::Application::try_create(arguments));
 
+    TRY(Core::System::pledge("stdio recvfd sendfd rpath thread", nullptr));
+    TRY(Core::System::unveil("/res", "r"));
+    TRY(Core::System::unveil("/home/anon", "r"));
+    TRY(Core::System::unveil("/etc/FileIconProvider.ini", "r"));
+    TRY(Core::System::unveil(nullptr, nullptr));
     auto app_icon = GUI::Icon::default_icon("app-widget-gallery");
 
-    auto window = GUI::Window::construct();
+    auto window = TRY(GUI::Window::try_create());
     window->resize(430, 480);
     window->set_title("Widget Gallery");
     window->set_icon(app_icon.bitmap_for_size(16));