LibGUI: Make GUI::Application a Core::Object

Having this on the stack makes whole-program teardown iffy. Turning it
into a Core::Object allows anyone who needs it to extends its lifetime.

Applications/About/main.cpp

@@ -37,7 +37,7 @@ int main(int argc, char** argv)
         return 1;
     }
 
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     if (pledge("stdio shared_buffer accept rpath", nullptr) < 0) {
         perror("pledge");
@@ -52,5 +52,5 @@ int main(int argc, char** argv)
     unveil(nullptr, nullptr);
 
     GUI::AboutDialog::show("SerenityOS", nullptr, nullptr, Gfx::Bitmap::load_from_file("/res/icons/16x16/ladybug.png"));
-    return app.exec();
+    return app->exec();
 }

Applications/Browser/main.cpp

@@ -68,7 +68,7 @@ int main(int argc, char** argv)
     args_parser.add_positional_argument(specified_url, "URL to open", "url", Core::ArgsParser::Required::No);
     args_parser.parse(argc, argv);
 
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     // Connect to the ProtocolServer immediately so we can drop the "unix" pledge.
     Web::ResourceLoader::the();
@@ -175,7 +175,7 @@ int main(int argc, char** argv)
                 tab_widget.remove_tab(tab);
                 tab_widget.set_bar_visible(!window->is_fullscreen() && tab_widget.children().size() > 1);
                 if (tab_widget.children().is_empty())
-                    app.quit();
+                    app->quit();
             });
         };
 
@@ -220,5 +220,5 @@ int main(int argc, char** argv)
     create_new_tab(first_url, true);
     window->show();
 
-    return app.exec();
+    return app->exec();
 }

Applications/Calculator/main.cpp

@@ -41,7 +41,7 @@ int main(int argc, char** argv)
         return 1;
     }
 
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     if (pledge("stdio shared_buffer rpath accept", nullptr) < 0) {
         perror("pledge");
@@ -78,7 +78,7 @@ int main(int argc, char** argv)
         GUI::AboutDialog::show("Calculator", Gfx::Bitmap::load_from_file("/res/icons/16x16/app-calculator.png"), window);
     }));
 
-    app.set_menubar(move(menubar));
+    app->set_menubar(move(menubar));
 
-    return app.exec();
+    return app->exec();
 }

Applications/Calendar/main.cpp

@@ -42,7 +42,7 @@ int main(int argc, char** argv)
         return 1;
     }
 
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     if (pledge("stdio shared_buffer rpath accept", nullptr) < 0) {
         perror("pledge");
@@ -78,7 +78,7 @@ int main(int argc, char** argv)
         return;
     }));
 
-    app.set_menubar(move(menubar));
+    app->set_menubar(move(menubar));
 
-    app.exec();
+    app->exec();
 }

Applications/DisplaySettings/main.cpp

@@ -43,7 +43,7 @@ int main(int argc, char** argv)
         return 1;
     }
 
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     if (pledge("stdio thread shared_buffer rpath accept cpath wpath", nullptr) < 0) {
         perror("pledge");
@@ -64,7 +64,7 @@ int main(int argc, char** argv)
 
     auto& app_menu = menubar->add_menu("Display settings");
     app_menu.add_action(GUI::CommonActions::make_quit_action([&](const GUI::Action&) {
-        app.quit();
+        app->quit();
     }));
 
     auto& help_menu = menubar->add_menu("Help");
@@ -72,7 +72,7 @@ int main(int argc, char** argv)
         GUI::AboutDialog::show("Display settings", Gfx::Bitmap::load_from_file("/res/icons/32x32/app-display-settings.png"), window);
     }));
 
-    app.set_menubar(move(menubar));
+    app->set_menubar(move(menubar));
     window->show();
-    return app.exec();
+    return app->exec();
 }

Applications/FileManager/main.cpp

@@ -85,14 +85,14 @@ int main(int argc, char** argv)
 
     RefPtr<Core::ConfigFile> config = Core::ConfigFile::get_for_app("FileManager");
 
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     if (pledge("stdio thread shared_buffer accept cpath rpath wpath fattr proc exec unix", nullptr) < 0) {
         perror("pledge");
         return 1;
     }
 
-    if (app.args().contains_slow("--desktop") || app.args().contains_slow("-d"))
+    if (app->args().contains_slow("--desktop") || app->args().contains_slow("-d"))
         return run_in_desktop_mode(move(config), Core::StandardPaths::desktop_directory());
 
     // our initial location is defined as, in order of precedence:

Applications/FontEditor/main.cpp

@@ -45,7 +45,7 @@ int main(int argc, char** argv)
         return 1;
     }
 
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     if (pledge("stdio shared_buffer rpath accept cpath wpath", nullptr) < 0) {
         perror("pledge");
@@ -96,9 +96,9 @@ int main(int argc, char** argv)
         GUI::AboutDialog::show("Font Editor", app_icon.bitmap_for_size(32), window);
     }));
 
-    app.set_menubar(move(menubar));
+    app->set_menubar(move(menubar));
 
     window->show();
 
-    return app.exec();
+    return app->exec();
 }

Applications/Help/main.cpp

@@ -56,7 +56,7 @@ int main(int argc, char* argv[])
         return 1;
     }
 
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     if (pledge("stdio shared_buffer accept rpath", nullptr) < 0) {
         perror("pledge");
@@ -201,12 +201,12 @@ int main(int argc, char* argv[])
     go_menu.add_action(*go_back_action);
     go_menu.add_action(*go_forward_action);
 
-    app.set_menubar(move(menubar));
+    app->set_menubar(move(menubar));
 
     window->set_focused_widget(&tree_view);
     window->show();
 
     window->set_icon(Gfx::Bitmap::load_from_file("/res/icons/16x16/book.png"));
 
-    return app.exec();
+    return app->exec();
 }

Applications/HexEditor/main.cpp

@@ -35,7 +35,7 @@ int main(int argc, char** argv)
         return 1;
     }
 
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     if (pledge("stdio shared_buffer accept rpath cpath wpath thread", nullptr) < 0) {
         perror("pledge");
@@ -60,5 +60,5 @@ int main(int argc, char** argv)
     if (argc >= 2)
         hex_editor_widget.open_file(argv[1]);
 
-    return app.exec();
+    return app->exec();
 }

Applications/IRCClient/main.cpp

@@ -42,7 +42,7 @@ int main(int argc, char** argv)
         return 1;
     }
 
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     if (pledge("stdio inet dns unix shared_buffer rpath wpath cpath", nullptr) < 0) {
         perror("pledge");
@@ -50,8 +50,8 @@ int main(int argc, char** argv)
     }
 
     URL url = "";
-    if (app.args().size() >= 1) {
+    if (app->args().size() >= 1) {
-        url = URL::create_with_url_or_path(app.args()[0]);
+        url = URL::create_with_url_or_path(app->args()[0]);
 
         if (url.protocol().to_lowercase() == "ircs") {
             fprintf(stderr, "Secure IRC over SSL/TLS (ircs) is not supported\n");
@@ -74,5 +74,5 @@ int main(int argc, char** argv)
 
     auto app_window = IRCAppWindow::construct(url.host(), url.port());
     app_window->show();
-    return app.exec();
+    return app->exec();
 }

Applications/KeyboardMapper/main.cpp

@@ -41,7 +41,7 @@ int main(int argc, char** argv)
     args_parser.add_positional_argument(path, "Keyboard character mapping file.", "file", Core::ArgsParser::Required::No);
     args_parser.parse(argc, argv);
 
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     auto app_icon = GUI::Icon::default_icon("app-keyboard-mapper");
 
@@ -87,7 +87,7 @@ int main(int argc, char** argv)
 
     auto quit_action = GUI::CommonActions::make_quit_action(
         [&](auto&) {
-            app.quit();
+            app->quit();
         });
 
     auto about_action = GUI::Action::create("About",
@@ -108,7 +108,7 @@ int main(int argc, char** argv)
     auto& help_menu = menubar->add_menu("Help");
     help_menu.add_action(about_action);
 
-    app.set_menubar(move(menubar));
+    app->set_menubar(move(menubar));
 
-    return app.exec();
+    return app->exec();
 }

Applications/KeyboardSettings/main.cpp

@@ -50,7 +50,7 @@ int main(int argc, char** argv)
     }
 
     // If there is no command line parameter go for GUI.
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     if (pledge("stdio rpath accept shared_buffer proc exec", nullptr) < 0) {
         perror("pledge");
@@ -131,7 +131,7 @@ int main(int argc, char** argv)
             exit(1);
         }
         if (quit)
-            app.quit();
+            app->quit();
     };
 
     auto& bottom_widget = root_widget.add<GUI::Widget>();
@@ -161,12 +161,12 @@ int main(int argc, char** argv)
     cancel_button.set_size_policy(Orientation::Horizontal, GUI::SizePolicy::Fixed);
     cancel_button.set_preferred_size(60, 22);
     cancel_button.on_click = [&](auto) {
-        app.quit();
+        app->quit();
     };
 
     auto quit_action = GUI::CommonActions::make_quit_action(
         [&](auto&) {
-            app.quit();
+            app->quit();
         });
 
     auto about_action = GUI::Action::create("About",
@@ -182,9 +182,9 @@ int main(int argc, char** argv)
     auto& help_menu = menubar->add_menu("Help");
     help_menu.add_action(about_action);
 
-    app.set_menubar(move(menubar));
+    app->set_menubar(move(menubar));
 
     window->show();
 
-    return app.exec();
+    return app->exec();
 }

Applications/Piano/main.cpp

@@ -44,7 +44,7 @@
 
 int main(int argc, char** argv)
 {
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     auto audio_client = Audio::ClientConnection::construct();
     audio_client->handshake();
@@ -120,7 +120,7 @@ int main(int argc, char** argv)
     auto& edit_menu = menubar->add_menu("Edit");
     main_widget.add_actions(edit_menu);
 
-    app.set_menubar(move(menubar));
+    app->set_menubar(move(menubar));
 
-    return app.exec();
+    return app->exec();
 }

Applications/PixelPaint/main.cpp

@@ -53,7 +53,7 @@ int main(int argc, char** argv)
         return 1;
     }
 
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     if (pledge("stdio thread shared_buffer accept rpath wpath cpath", nullptr) < 0) {
         perror("pledge");
@@ -196,7 +196,7 @@ int main(int argc, char** argv)
         GUI::AboutDialog::show("PixelPaint", app_icon.bitmap_for_size(32), window);
     }));
 
-    app.set_menubar(move(menubar));
+    app->set_menubar(move(menubar));
 
     image_editor.on_active_layer_change = [&](auto* layer) {
         layer_list_widget.set_selected_layer(layer);
@@ -227,5 +227,5 @@ int main(int argc, char** argv)
     image_editor.set_image(image);
     image_editor.set_active_layer(bg_layer);
 
-    return app.exec();
+    return app->exec();
 }

Applications/QuickShow/main.cpp

@@ -55,7 +55,7 @@ int main(int argc, char** argv)
         return 1;
     }
 
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     if (pledge("stdio shared_buffer accept cpath rpath wpath proc exec thread", nullptr) < 0) {
         perror("pledge");
@@ -166,7 +166,7 @@ int main(int argc, char** argv)
 
     auto quit_action = GUI::CommonActions::make_quit_action(
         [&](auto&) {
-            app.quit();
+            app->quit();
         });
 
     auto rotate_left_action = GUI::Action::create("Rotate Left", { Mod_None, Key_L },
@@ -290,7 +290,7 @@ int main(int argc, char** argv)
     auto& help_menu = menubar->add_menu("Help");
     help_menu.add_action(about_action);
 
-    app.set_menubar(move(menubar));
+    app->set_menubar(move(menubar));
 
     if (path != nullptr) {
         widget.load_from_file(path);
@@ -298,5 +298,5 @@ int main(int argc, char** argv)
 
     window->show();
 
-    return app.exec();
+    return app->exec();
 }

Applications/SoundPlayer/main.cpp

@@ -43,7 +43,7 @@ int main(int argc, char** argv)
         return 1;
     }
 
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     if (pledge("stdio shared_buffer accept rpath unix", nullptr) < 0) {
         perror("pledge");
@@ -87,7 +87,7 @@ int main(int argc, char** argv)
     app_menu.add_action(move(hide_scope));
     app_menu.add_separator();
     app_menu.add_action(GUI::CommonActions::make_quit_action([&](auto&) {
-        app.quit();
+        app->quit();
     }));
 
     auto& help_menu = menubar->add_menu("Help");
@@ -95,8 +95,8 @@ int main(int argc, char** argv)
         GUI::AboutDialog::show("SoundPlayer", Gfx::Bitmap::load_from_file("/res/icons/32x32/app-sound-player.png"), window);
     }));
 
-    app.set_menubar(move(menubar));
+    app->set_menubar(move(menubar));
 
     window->show();
-    return app.exec();
+    return app->exec();
 }

Applications/SystemMonitor/main.cpp

@@ -117,7 +117,7 @@ int main(int argc, char** argv)
         return 1;
     }
 
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     if (pledge("stdio proc shared_buffer accept rpath exec", nullptr) < 0) {
         perror("pledge");
@@ -269,7 +269,7 @@ int main(int argc, char** argv)
         GUI::AboutDialog::show("System Monitor", Gfx::Bitmap::load_from_file("/res/icons/32x32/app-system-monitor.png"), window);
     }));
 
-    app.set_menubar(move(menubar));
+    app->set_menubar(move(menubar));
 
     auto& process_tab_unused_widget = process_container_splitter.add<UnavailableProcessWidget>("No process selected");
     process_tab_unused_widget.set_visible(true);
@@ -302,7 +302,7 @@ int main(int argc, char** argv)
 
     window->set_icon(Gfx::Bitmap::load_from_file("/res/icons/16x16/app-system-monitor.png"));
 
-    return app.exec();
+    return app->exec();
 }
 
 class ProgressBarPaintingDelegate final : public GUI::TableCellPaintingDelegate {

Applications/Terminal/main.cpp

@@ -209,7 +209,7 @@ int main(int argc, char** argv)
         return 1;
     }
 
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     if (pledge("stdio tty rpath accept cpath wpath shared_buffer proc exec unix", nullptr) < 0) {
         perror("pledge");
@@ -251,7 +251,7 @@ int main(int argc, char** argv)
 
     auto& terminal = window->set_main_widget<TerminalWidget>(ptm_fd, true, config);
     terminal.on_command_exit = [&] {
-        app.quit(0);
+        app->quit(0);
     };
     terminal.on_title_change = [&](auto& title) {
         window->set_title(title);
@@ -321,7 +321,7 @@ int main(int argc, char** argv)
         GUI::AboutDialog::show("Terminal", Gfx::Bitmap::load_from_file("/res/icons/32x32/app-terminal.png"), window);
     }));
 
-    app.set_menubar(move(menubar));
+    app->set_menubar(move(menubar));
 
     if (unveil("/res", "r") < 0) {
         perror("unveil");
@@ -346,5 +346,5 @@ int main(int argc, char** argv)
     unveil(nullptr, nullptr);
 
     config->sync();
-    return app.exec();
+    return app->exec();
 }

Applications/TextEditor/main.cpp

@@ -35,7 +35,7 @@ int main(int argc, char** argv)
         return 1;
     }
 
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     if (pledge("stdio thread rpath accept cpath wpath shared_buffer unix", nullptr) < 0) {
         perror("pledge");
@@ -62,5 +62,5 @@ int main(int argc, char** argv)
     window->show();
     window->set_icon(Gfx::Bitmap::load_from_file("/res/icons/TextEditor16.png"));
 
-    return app.exec();
+    return app->exec();
 }

Applications/Welcome/main.cpp

@@ -133,7 +133,7 @@ int main(int argc, char** argv)
         return 1;
     }
 
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     if (pledge("stdio shared_buffer rpath", nullptr) < 0) {
         perror("pledge");
@@ -257,5 +257,5 @@ int main(int argc, char** argv)
     }
 
     window->show();
-    return app.exec();
+    return app->exec();
 }

Demos/Cube/Cube.cpp

@@ -190,7 +190,7 @@ void Cube::timer_event(Core::TimerEvent&)
 
 int main(int argc, char** argv)
 {
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     auto window = GUI::Window::construct();
     window->set_double_buffering_enabled(true);
@@ -209,5 +209,5 @@ int main(int argc, char** argv)
     window->show();
     window->set_icon(Gfx::Bitmap::load_from_file("/res/icons/16x16/app-cube.png"));
 
-    return app.exec();
+    return app->exec();
 }

Demos/Eyes/main.cpp

@@ -42,7 +42,7 @@ int main(int argc, char* argv[])
         return 1;
     }
 
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     if (pledge("stdio shared_buffer accept rpath cpath wpath thread", nullptr) < 0) {
         perror("pledge");
@@ -58,5 +58,5 @@ int main(int argc, char* argv[])
     window->show();
     eyes.track_cursor_globally();
 
-    return app.exec();
+    return app->exec();
 }

Demos/Fire/Fire.cpp

@@ -222,7 +222,7 @@ void Fire::mouseup_event(GUI::MouseEvent& event)
 */
 int main(int argc, char** argv)
 {
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     auto window = GUI::Window::construct();
     window->set_double_buffering_enabled(false);
@@ -241,5 +241,5 @@ int main(int argc, char** argv)
     window->show();
     window->set_icon(Gfx::Bitmap::load_from_file("/res/icons/16x16/app-fire.png"));
 
-    return app.exec();
+    return app->exec();
 }

Demos/HelloWorld/main.cpp

@@ -33,7 +33,7 @@
 
 int main(int argc, char** argv)
 {
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     auto window = GUI::Window::construct();
     window->set_rect(100, 100, 240, 160);
@@ -53,10 +53,10 @@ int main(int argc, char** argv)
     button.set_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fixed);
     button.set_preferred_size(0, 20);
     button.on_click = [&](auto) {
-        app.quit();
+        app->quit();
     };
 
     window->show();
 
-    return app.exec();
+    return app->exec();
 }

Demos/LibGfxDemo/main.cpp

@@ -196,7 +196,7 @@ void Canvas::draw()
 
 int main(int argc, char** argv)
 {
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     auto window = GUI::Window::construct();
     window->set_double_buffering_enabled(true);
@@ -206,5 +206,5 @@ int main(int argc, char** argv)
     window->set_main_widget<Canvas>();
     window->show();
 
-    return app.exec();
+    return app->exec();
 }

Demos/Mouse/main.cpp

@@ -171,7 +171,7 @@ private:
 
 int main(int argc, char** argv)
 {
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
     auto window = GUI::Window::construct();
     window->set_title("Mouse button demo");
     window->resize(160, 155);
@@ -181,15 +181,15 @@ int main(int argc, char** argv)
 
     auto menubar = GUI::MenuBar::construct();
     auto& app_menu = menubar->add_menu("Mouse Demo");
-    app_menu.add_action(GUI::CommonActions::make_quit_action([&](auto&) { app.quit(); }));
+    app_menu.add_action(GUI::CommonActions::make_quit_action([&](auto&) { app->quit(); }));
 
     auto& help_menu = menubar->add_menu("Help");
     help_menu.add_action(GUI::Action::create("About", [&](auto&) {
         GUI::AboutDialog::show("Mouse Demo", Gfx::Bitmap::load_from_file("/res/icons/32x32/app-mouse.png"), window);
     }));
 
-    app.set_menubar(move(menubar));
+    app->set_menubar(move(menubar));
     window->set_resizable(false);
     window->show();
-    return app.exec();
+    return app->exec();
 }

Demos/Screensaver/Screensaver.cpp

@@ -134,7 +134,7 @@ void Screensaver::draw()
 
 int main(int argc, char** argv)
 {
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     auto window = GUI::Window::construct();
     window->set_double_buffering_enabled(true);
@@ -148,5 +148,5 @@ int main(int argc, char** argv)
     window->show();
     window->set_icon(Gfx::Bitmap::load_from_file("/res/icons/16x16/app-screensaver.png"));
 
-    return app.exec();
+    return app->exec();
 }

Demos/WebView/main.cpp

@@ -32,7 +32,7 @@
 
 int main(int argc, char** argv)
 {
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
     auto window = GUI::Window::construct();
     auto& view = window->set_main_widget<WebContentView>();
     window->set_title("WebContentView");
@@ -41,5 +41,5 @@ int main(int argc, char** argv)
 
     view.load("file:///res/html/misc/welcome.html");
 
-    return app.exec();
+    return app->exec();
 }

Demos/WidgetGallery/main.cpp

@@ -46,7 +46,7 @@
 
 int main(int argc, char** argv)
 {
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     auto window = GUI::Window::construct();
     window->set_rect(100, 100, 433, 487);
@@ -245,5 +245,5 @@ int main(int argc, char** argv)
 
     window->show();
 
-    return app.exec();
+    return app->exec();
 }

DevTools/HackStudio/main.cpp

@@ -160,7 +160,7 @@ int main(int argc, char** argv)
         return 1;
     }
 
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     if (pledge("stdio tty accept rpath cpath wpath shared_buffer proc exec fattr thread", nullptr) < 0) {
         perror("pledge");
@@ -525,7 +525,7 @@ int main(int argc, char** argv)
     app_menu.add_action(save_action);
     app_menu.add_separator();
     app_menu.add_action(GUI::CommonActions::make_quit_action([&](auto&) {
-        app.quit();
+        app->quit();
     }));
 
     auto& project_menu = menubar->add_menu("Project");
@@ -664,7 +664,7 @@ int main(int argc, char** argv)
         GUI::AboutDialog::show("HackStudio", Gfx::Bitmap::load_from_file("/res/icons/32x32/app-hack-studio.png"), g_window);
     }));
 
-    app.set_menubar(move(menubar));
+    app->set_menubar(move(menubar));
 
     g_window->set_icon(Gfx::Bitmap::load_from_file("/res/icons/16x16/app-hack-studio.png"));
 
@@ -691,7 +691,7 @@ int main(int argc, char** argv)
     open_file(g_project->default_file());
 
     update_actions();
-    return app.exec();
+    return app->exec();
 }
 
 void build(TerminalWrapper& wrapper)

DevTools/Inspector/main.cpp

@@ -71,7 +71,7 @@ int main(int argc, char** argv)
 
     pid_t pid = pid_opt.value();
 
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     auto window = GUI::Window::construct();
     window->set_title("Inspector");
@@ -114,5 +114,5 @@ int main(int argc, char** argv)
         return 1;
     }
 
-    return app.exec();
+    return app->exec();
 }

DevTools/Profiler/main.cpp

@@ -58,7 +58,7 @@ int main(int argc, char** argv)
     args_parser.add_option(pid, "PID to profile", "pid", 'p', "PID");
     args_parser.parse(argc, argv, false);
 
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     const char* path = nullptr;
     if (argc != 2) {
@@ -101,7 +101,7 @@ int main(int argc, char** argv)
 
     auto menubar = GUI::MenuBar::construct();
     auto& app_menu = menubar->add_menu("Profiler");
-    app_menu.add_action(GUI::CommonActions::make_quit_action([&](auto&) { app.quit(); }));
+    app_menu.add_action(GUI::CommonActions::make_quit_action([&](auto&) { app->quit(); }));
 
     auto& view_menu = menubar->add_menu("View");
     auto invert_action = GUI::Action::create_checkable("Invert tree", { Mod_Ctrl, Key_I }, [&](auto& action) {
@@ -118,10 +118,10 @@ int main(int argc, char** argv)
     percent_action->set_checked(false);
     view_menu.add_action(percent_action);
 
-    app.set_menubar(move(menubar));
+    app->set_menubar(move(menubar));
 
     window->show();
-    return app.exec();
+    return app->exec();
 }
 
 bool prompt_to_stop_profiling()

DevTools/VisualBuilder/main.cpp

@@ -47,7 +47,7 @@ static RefPtr<GUI::Window> make_toolbox_window();
 
 int main(int argc, char** argv)
 {
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     auto propbox = VBPropertiesWindow::construct();
 
@@ -83,7 +83,7 @@ int main(int argc, char** argv)
         GUI::AboutDialog::show("Visual Builder", Gfx::Bitmap::load_from_file("/res/icons/32x32/app-visual-builder.png"), window);
     }));
 
-    app.set_menubar(move(menubar));
+    app->set_menubar(move(menubar));
 
     auto toolbox = make_toolbox_window();
     toolbox->show();
@@ -94,7 +94,7 @@ int main(int argc, char** argv)
         form1->load_from_file(argv[1]);
     }
 
-    return app.exec();
+    return app->exec();
 }
 
 RefPtr<GUI::Window> make_toolbox_window()

Games/Minesweeper/main.cpp

@@ -45,7 +45,7 @@ int main(int argc, char** argv)
         return 1;
     }
 
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     if (pledge("stdio rpath accept wpath cpath shared_buffer", nullptr) < 0) {
         perror("pledge");
@@ -127,11 +127,11 @@ int main(int argc, char** argv)
         GUI::AboutDialog::show("Minesweeper", Gfx::Bitmap::load_from_file("/res/icons/32x32/app-minesweeper.png"), window);
     }));
 
-    app.set_menubar(move(menubar));
+    app->set_menubar(move(menubar));
 
     window->show();
 
     window->set_icon(Gfx::Bitmap::load_from_file("/res/icons/minesweeper/mine.png"));
 
-    return app.exec();
+    return app->exec();
 }

Games/Snake/main.cpp

@@ -42,7 +42,7 @@ int main(int argc, char** argv)
         return 1;
     }
 
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     if (pledge("stdio rpath wpath cpath shared_buffer accept", nullptr) < 0) {
         perror("pledge");
@@ -73,11 +73,11 @@ int main(int argc, char** argv)
         GUI::AboutDialog::show("Snake", Gfx::Bitmap::load_from_file("/res/icons/32x32/app-snake.png"), window);
     }));
 
-    app.set_menubar(move(menubar));
+    app->set_menubar(move(menubar));
 
     window->show();
 
     window->set_icon(Gfx::Bitmap::load_from_file("/res/icons/16x16/app-snake.png"));
 
-    return app.exec();
+    return app->exec();
 }

Games/Solitaire/main.cpp

@@ -35,7 +35,7 @@
 
 int main(int argc, char** argv)
 {
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     if (pledge("stdio rpath shared_buffer", nullptr) < 0) {
         perror("pledge");
@@ -56,18 +56,18 @@ int main(int argc, char** argv)
 
     app_menu.add_action(GUI::Action::create("Restart game", [&](auto&) { widget->setup(); }));
     app_menu.add_separator();
-    app_menu.add_action(GUI::CommonActions::make_quit_action([&](auto&) { app.quit(); }));
+    app_menu.add_action(GUI::CommonActions::make_quit_action([&](auto&) { app->quit(); }));
 
     auto& help_menu = menubar->add_menu("Help");
     help_menu.add_action(GUI::Action::create("About", [&](auto&) {
         GUI::AboutDialog::show("Solitaire", Gfx::Bitmap::load_from_file("/res/icons/32x32/app-solitaire.png"), window);
     }));
 
-    app.set_menubar(move(menubar));
+    app->set_menubar(move(menubar));
     window->set_main_widget(widget);
     window->set_icon(Gfx::Bitmap::load_from_file("/res/icons/16x16/app-solitaire.png"));
     window->show();
     widget->setup();
 
-    return app.exec();
+    return app->exec();
 }

Libraries/LibGUI/Application.cpp

@@ -49,8 +49,6 @@ Application& Application::the()
 
 Application::Application(int argc, char** argv)
 {
-    (void)argc;
-    (void)argv;
     ASSERT(!s_the);
     s_the = this;
     m_event_loop = make<Core::EventLoop>();

Libraries/LibGUI/Application.h

@@ -29,17 +29,19 @@
 #include <AK/HashMap.h>
 #include <AK/OwnPtr.h>
 #include <AK/String.h>
-#include <LibCore/Forward.h>
+#include <LibCore/Object.h>
 #include <LibGUI/Forward.h>
 #include <LibGUI/Shortcut.h>
 #include <LibGfx/Forward.h>
 
 namespace GUI {
 
-class Application {
+class Application : public Core::Object {
+    C_OBJECT(Application);
+
 public:
     static Application& the();
-    Application(int argc, char** argv);
+
     ~Application();
 
     int exec();
@@ -71,6 +73,8 @@ public:
     bool focus_debugging_enabled() const { return m_focus_debugging_enabled; }
 
 private:
+    Application(int argc, char** argv);
+
     OwnPtr<Core::EventLoop> m_event_loop;
     RefPtr<MenuBar> m_menubar;
     RefPtr<Gfx::PaletteImpl> m_palette;

MenuApplets/Audio/main.cpp

@@ -81,7 +81,7 @@ int main(int argc, char** argv)
         return 1;
     }
 
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     if (pledge("stdio shared_buffer accept rpath unix", nullptr) < 0) {
         perror("pledge");
@@ -109,5 +109,5 @@ int main(int argc, char** argv)
         return 1;
     }
 
-    return app.exec();
+    return app->exec();
 }

MenuApplets/ClipboardHistory/main.cpp

@@ -38,7 +38,7 @@ int main(int argc, char* argv[])
         return 1;
     }
 
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     if (pledge("stdio shared_buffer accept rpath", nullptr) < 0) {
         perror("pledge");
@@ -85,5 +85,5 @@ int main(int argc, char* argv[])
     applet_window->resize(16, 16);
     applet_window->show();
 
-    return app.exec();
+    return app->exec();
 }

MenuApplets/Clock/main.cpp

@@ -110,7 +110,7 @@ int main(int argc, char** argv)
         return 1;
     }
 
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     if (pledge("stdio shared_buffer accept rpath exec proc", nullptr) < 0) {
         perror("pledge");
@@ -137,5 +137,5 @@ int main(int argc, char** argv)
 
     unveil(nullptr, nullptr);
 
-    return app.exec();
+    return app->exec();
 }

MenuApplets/ResourceGraph/main.cpp

@@ -159,7 +159,7 @@ int main(int argc, char** argv)
         return 1;
     }
 
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     if (pledge("stdio shared_buffer accept proc exec rpath", nullptr) < 0) {
         perror("pledge");
@@ -235,5 +235,5 @@ int main(int argc, char** argv)
 
     unveil(nullptr, nullptr);
 
-    return app.exec();
+    return app->exec();
 }

MenuApplets/UserName/main.cpp

@@ -86,7 +86,7 @@ int main(int argc, char** argv)
 
     unveil(nullptr, nullptr);
 
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     auto window = GUI::Window::construct();
     window->set_title("UserName");
@@ -101,5 +101,5 @@ int main(int argc, char** argv)
         return 1;
     }
 
-    return app.exec();
+    return app->exec();
 }

Services/NotificationServer/main.cpp

@@ -39,7 +39,7 @@ int main(int argc, char** argv)
         return 1;
     }
 
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
     auto server = Core::LocalServer::construct();
 
     bool ok = server->take_over_from_system_server();
@@ -67,5 +67,5 @@ int main(int argc, char** argv)
         return 1;
     }
 
-    return app.exec();
+    return app->exec();
 }

Services/SystemMenu/main.cpp

@@ -65,8 +65,8 @@ static NonnullRefPtr<GUI::Menu> build_system_menu();
 
 int main(int argc, char** argv)
 {
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
-    app.set_quit_when_last_window_deleted(false);
+    app->set_quit_when_last_window_deleted(false);
 
     auto menu = build_system_menu();
     menu->realize_menu_if_needed();
@@ -95,7 +95,7 @@ int main(int argc, char** argv)
 
     unveil(nullptr, nullptr);
 
-    return app.exec();
+    return app->exec();
 }
 
 NonnullRefPtr<GUI::Menu> build_system_menu()

Services/Taskbar/main.cpp

@@ -37,7 +37,7 @@ int main(int argc, char** argv)
         return 1;
     }
 
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     signal(SIGCHLD, [](int signo) {
         (void)signo;
@@ -52,5 +52,5 @@ int main(int argc, char** argv)
     TaskbarWindow window;
     window.show();
 
-    return app.exec();
+    return app->exec();
 }

Userland/copy.cpp

@@ -75,7 +75,7 @@ Options parse_options(int argc, char* argv[])
 
 int main(int argc, char* argv[])
 {
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     Options options = parse_options(argc, argv);
 

Userland/html.cpp

@@ -37,7 +37,7 @@
 
 int main(int argc, char** argv)
 {
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     auto f = Core::File::construct();
     bool success;
@@ -67,7 +67,7 @@ int main(int argc, char** argv)
 
     auto& app_menu = menubar->add_menu("HTML");
     app_menu.add_action(GUI::CommonActions::make_quit_action([&](auto&) {
-        app.quit();
+        app->quit();
     }));
 
     auto& help_menu = menubar->add_menu("Help");
@@ -75,9 +75,9 @@ int main(int argc, char** argv)
         GUI::AboutDialog::show("HTML", Gfx::Bitmap::load_from_file("/res/icons/32x32/filetype-html.png"), window);
     }));
 
-    app.set_menubar(move(menubar));
+    app->set_menubar(move(menubar));
 
     window->set_icon(Gfx::Bitmap::load_from_file("/res/icons/16x16/filetype-html.png"));
 
-    return app.exec();
+    return app->exec();
 }

Userland/notify.cpp

@@ -32,7 +32,7 @@
 
 int main(int argc, char** argv)
 {
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     Core::ArgsParser args_parser;
     const char* title = nullptr;

Userland/pape.cpp

@@ -85,7 +85,7 @@ int main(int argc, char** argv)
     args_parser.add_positional_argument(name, "Wallpaper to set", "name", Core::ArgsParser::Required::No);
     args_parser.parse(argc, argv);
 
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     if (show_all)
         return handle_show_all();

Userland/paste.cpp

@@ -41,7 +41,7 @@ int main(int argc, char* argv[])
     args_parser.add_option(no_newline, "Do not append a newline", "no-newline", 'n');
     args_parser.parse(argc, argv);
 
-    GUI::Application app(argc, argv);
+    auto app = GUI::Application::construct(argc, argv);
 
     auto& clipboard = GUI::Clipboard::the();
     auto data_and_type = clipboard.data_and_type();