TextEditor: Port to LibMain :^)

This opens up using TRY() for syscalls and Core::Object creation.

Userland/Applications/TextEditor/CMakeLists.txt

@@ -15,4 +15,4 @@ set(SOURCES
 )
 
 serenity_app(TextEditor ICON app-text-editor)
-target_link_libraries(TextEditor LibWeb LibMarkdown LibGUI LibShell LibRegex LibDesktop LibCpp LibJS LibSQL LibFileSystemAccessClient LibConfig)
+target_link_libraries(TextEditor LibWeb LibMarkdown LibGUI LibShell LibRegex LibDesktop LibCpp LibJS LibSQL LibFileSystemAccessClient LibConfig LibMain)

Userland/Applications/TextEditor/main.cpp

@@ -8,22 +8,19 @@
 #include "MainWidget.h"
 #include <LibConfig/Client.h>
 #include <LibCore/ArgsParser.h>
-#include <LibCore/File.h>
-#include <LibCore/StandardPaths.h>
+#include <LibCore/System.h>
 #include <LibFileSystemAccessClient/Client.h>
 #include <LibGUI/Menubar.h>
 #include <LibGUI/MessageBox.h>
+#include <LibMain/Main.h>
 
 using namespace TextEditor;
 
-int main(int argc, char** argv)
+ErrorOr<int> serenity_main(Main::Arguments arguments)
 {
-    if (pledge("stdio recvfd sendfd thread rpath cpath wpath unix", nullptr) < 0) {
-        perror("pledge");
-        return 1;
-    }
+    TRY(Core::System::pledge("stdio recvfd sendfd thread rpath cpath wpath unix", nullptr));
 
-    auto app = GUI::Application::construct(argc, argv);
+    auto app = TRY(GUI::Application::try_create(arguments));
 
     Config::pledge_domains("TextEditor");
 
@@ -32,36 +29,19 @@ int main(int argc, char** argv)
     Core::ArgsParser parser;
     parser.add_option(preview_mode, "Preview mode, one of 'none', 'html', 'markdown', 'auto'", "preview-mode", '\0', "mode");
     parser.add_positional_argument(file_to_edit, "File to edit, with optional starting line and column number", "file[:line[:column]]", Core::ArgsParser::Required::No);
+    parser.parse(arguments);
 
-    parser.parse(argc, argv);
-
-    if (unveil("/res", "r") < 0) {
-        perror("unveil");
-        return 1;
-    }
-
-    if (unveil("/tmp/portal/launch", "rw") < 0) {
-        perror("unveil");
-        return 1;
-    }
-
-    if (unveil("/tmp/portal/webcontent", "rw") < 0) {
-        perror("unveil");
-        return 1;
-    }
-
-    if (unveil("/tmp/portal/filesystemaccess", "rw") < 0) {
-        perror("unveil");
-        return 1;
-    }
-
-    unveil(nullptr, nullptr);
+    TRY(Core::System::unveil("/res", "r"));
+    TRY(Core::System::unveil("/tmp/portal/launch", "rw"));
+    TRY(Core::System::unveil("/tmp/portal/webcontent", "rw"));
+    TRY(Core::System::unveil("/tmp/portal/filesystemaccess", "rw"));
+    TRY(Core::System::unveil(nullptr, nullptr));
 
     StringView preview_mode_view = preview_mode;
 
     auto app_icon = GUI::Icon::default_icon("app-text-editor");
 
-    auto window = GUI::Window::construct();
+    auto window = TRY(GUI::Window::try_create());
     window->resize(640, 400);
 
     auto& text_widget = window->set_main_widget<MainWidget>();