mirror of
https://github.com/RGBCube/serenity
synced 2025-10-31 17:12:43 +00:00
3f3f45580a
Each of these strings would previously rely on StringView's char const* constructor overload, which would call __builtin_strlen on the string. Since we now have operator ""sv, we can replace these with much simpler versions. This opens the door to being able to remove StringView(char const*). No functional changes.
299 lines
11 KiB
C++
299 lines
11 KiB
C++
/*
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* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2022, Jakob-Niklas See <git@nwex.de>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "ShutdownDialog.h"
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#include "TaskbarWindow.h"
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#include <AK/Debug.h>
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#include <AK/QuickSort.h>
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#include <LibConfig/Client.h>
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#include <LibCore/ConfigFile.h>
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#include <LibCore/EventLoop.h>
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#include <LibCore/StandardPaths.h>
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#include <LibCore/System.h>
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#include <LibDesktop/AppFile.h>
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#include <LibDesktop/Launcher.h>
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#include <LibGUI/ActionGroup.h>
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#include <LibGUI/Application.h>
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#include <LibGUI/ConnectionToWindowManagerServer.h>
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#include <LibGUI/ConnectionToWindowServer.h>
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#include <LibGUI/Menu.h>
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#include <LibGUI/MenuItem.h>
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#include <LibGUI/Process.h>
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#include <LibGfx/SystemTheme.h>
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#include <LibMain/Main.h>
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#include <WindowServer/Window.h>
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#include <serenity.h>
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#include <signal.h>
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#include <spawn.h>
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#include <stdio.h>
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#include <sys/wait.h>
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#include <unistd.h>
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static ErrorOr<Vector<String>> discover_apps_and_categories();
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struct WindowRefence {
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GUI::Window* window { nullptr };
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GUI::Window* get()
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{
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VERIFY(window);
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return window;
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}
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};
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static ErrorOr<NonnullRefPtr<GUI::Menu>> build_system_menu(WindowRefence&);
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ErrorOr<int> serenity_main(Main::Arguments arguments)
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{
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TRY(Core::System::pledge("stdio recvfd sendfd proc exec rpath unix sigaction"));
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auto app = TRY(GUI::Application::try_create(arguments));
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Config::pledge_domain("Taskbar");
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Config::monitor_domain("Taskbar");
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app->event_loop().register_signal(SIGCHLD, [](int) {
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// Wait all available children
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while (waitpid(-1, nullptr, WNOHANG) > 0)
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;
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});
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TRY(Core::System::pledge("stdio recvfd sendfd proc exec rpath unix"));
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GUI::ConnectionToWindowManagerServer::the();
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Desktop::Launcher::ensure_connection();
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TRY(Core::System::pledge("stdio recvfd sendfd proc exec rpath"));
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// FIXME: Have to awkwardly pass a reference to the window pointer to build_system_menu(), that will be resolved later.
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// (It is always valid at use)
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WindowRefence window_ref {};
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auto menu = TRY(build_system_menu(window_ref));
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menu->realize_menu_if_needed();
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auto window = TRY(TaskbarWindow::try_create(move(menu)));
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window_ref.window = window.ptr();
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window->show();
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window->make_window_manager(
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WindowServer::WMEventMask::WindowStateChanges
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| WindowServer::WMEventMask::WindowRemovals
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| WindowServer::WMEventMask::WindowIconChanges
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| WindowServer::WMEventMask::WorkspaceChanges);
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return app->exec();
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}
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struct AppMetadata {
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String executable;
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String name;
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String category;
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GUI::Icon icon;
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bool run_in_terminal;
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};
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Vector<AppMetadata> g_apps;
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Color g_menu_selection_color;
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Vector<Gfx::SystemThemeMetaData> g_themes;
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RefPtr<GUI::Menu> g_themes_menu;
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GUI::ActionGroup g_themes_group;
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ErrorOr<Vector<String>> discover_apps_and_categories()
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{
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HashTable<String> seen_app_categories;
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Desktop::AppFile::for_each([&](auto af) {
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if (access(af->executable().characters(), X_OK) == 0) {
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g_apps.append({ af->executable(), af->name(), af->category(), af->icon(), af->run_in_terminal() });
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seen_app_categories.set(af->category());
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}
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});
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quick_sort(g_apps, [](auto& a, auto& b) { return a.name < b.name; });
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Vector<String> sorted_app_categories;
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TRY(sorted_app_categories.try_ensure_capacity(seen_app_categories.size()));
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for (auto const& category : seen_app_categories)
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sorted_app_categories.unchecked_append(category);
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quick_sort(sorted_app_categories);
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return sorted_app_categories;
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}
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ErrorOr<NonnullRefPtr<GUI::Menu>> build_system_menu(WindowRefence& window_ref)
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{
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Vector<String> const sorted_app_categories = TRY(discover_apps_and_categories());
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auto system_menu = TRY(GUI::Menu::try_create("\xE2\x9A\xA1")); // HIGH VOLTAGE SIGN
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system_menu->add_action(GUI::Action::create("&About SerenityOS", Gfx::Bitmap::try_load_from_file("/res/icons/16x16/ladyball.png"sv).release_value_but_fixme_should_propagate_errors(), [&](auto&) {
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GUI::Process::spawn_or_show_error(window_ref.get(), "/bin/About"sv);
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}));
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system_menu->add_separator();
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// First we construct all the necessary app category submenus.
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auto category_icons = TRY(Core::ConfigFile::open("/res/icons/SystemMenu.ini"));
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HashMap<String, NonnullRefPtr<GUI::Menu>> app_category_menus;
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Function<void(String const&)> create_category_menu;
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create_category_menu = [&](String const& category) {
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if (app_category_menus.contains(category))
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return;
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String parent_category, child_category = category;
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for (ssize_t i = category.length() - 1; i >= 0; i--) {
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if (category[i] == '/') {
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parent_category = category.substring(0, i);
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child_category = category.substring(i + 1);
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}
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}
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GUI::Menu* parent_menu;
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if (parent_category.is_empty()) {
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parent_menu = system_menu;
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} else {
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parent_menu = app_category_menus.get(parent_category).value();
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if (!parent_menu) {
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create_category_menu(parent_category);
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parent_menu = app_category_menus.get(parent_category).value();
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VERIFY(parent_menu);
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}
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}
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auto& category_menu = parent_menu->add_submenu(child_category);
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auto category_icon_path = category_icons->read_entry("16x16", category);
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if (!category_icon_path.is_empty()) {
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auto icon_or_error = Gfx::Bitmap::try_load_from_file(category_icon_path);
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if (!icon_or_error.is_error())
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category_menu.set_icon(icon_or_error.release_value());
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}
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app_category_menus.set(category, category_menu);
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};
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for (auto const& category : sorted_app_categories) {
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if (category != "Settings"sv)
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create_category_menu(category);
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}
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// Then we create and insert all the app menu items into the right place.
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int app_identifier = 0;
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for (auto const& app : g_apps) {
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if (app.category == "Settings"sv) {
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++app_identifier;
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continue;
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}
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auto icon = app.icon.bitmap_for_size(16);
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if constexpr (SYSTEM_MENU_DEBUG) {
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if (icon)
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dbgln("App {} has icon with size {}", app.name, icon->size());
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}
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auto parent_menu = app_category_menus.get(app.category).value_or(system_menu.ptr());
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parent_menu->add_action(GUI::Action::create(app.name, icon, [app_identifier](auto&) {
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dbgln("Activated app with ID {}", app_identifier);
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auto& app = g_apps[app_identifier];
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char const* argv[4] { nullptr, nullptr, nullptr, nullptr };
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if (app.run_in_terminal) {
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argv[0] = "/bin/Terminal";
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argv[1] = "-e";
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argv[2] = app.executable.characters();
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} else {
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argv[0] = app.executable.characters();
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}
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posix_spawn_file_actions_t spawn_actions;
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posix_spawn_file_actions_init(&spawn_actions);
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auto home_directory = Core::StandardPaths::home_directory();
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posix_spawn_file_actions_addchdir(&spawn_actions, home_directory.characters());
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pid_t child_pid;
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if ((errno = posix_spawn(&child_pid, argv[0], &spawn_actions, nullptr, const_cast<char**>(argv), environ))) {
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perror("posix_spawn");
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} else {
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if (disown(child_pid) < 0)
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perror("disown");
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}
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posix_spawn_file_actions_destroy(&spawn_actions);
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}));
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++app_identifier;
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}
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system_menu->add_separator();
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g_themes_group.set_exclusive(true);
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g_themes_group.set_unchecking_allowed(false);
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g_themes_menu = &system_menu->add_submenu("&Themes");
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g_themes_menu->set_icon(Gfx::Bitmap::try_load_from_file("/res/icons/16x16/themes.png"sv).release_value_but_fixme_should_propagate_errors());
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g_themes = Gfx::list_installed_system_themes();
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auto current_theme_name = GUI::ConnectionToWindowServer::the().get_system_theme();
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{
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int theme_identifier = 0;
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for (auto& theme : g_themes) {
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auto action = GUI::Action::create_checkable(theme.name, [theme_identifier](auto&) {
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auto& theme = g_themes[theme_identifier];
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dbgln("Theme switched to {} at path {}", theme.name, theme.path);
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auto success = GUI::ConnectionToWindowServer::the().set_system_theme(theme.path, theme.name, false);
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VERIFY(success);
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});
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if (theme.name == current_theme_name)
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action->set_checked(true);
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g_themes_group.add_action(action);
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g_themes_menu->add_action(action);
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++theme_identifier;
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}
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}
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GUI::Application::the()->on_theme_change = [&]() {
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if (g_themes_menu->is_visible())
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return;
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auto current_theme_name = GUI::ConnectionToWindowServer::the().get_system_theme();
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auto theme_overridden = GUI::ConnectionToWindowServer::the().is_system_theme_overridden();
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for (size_t index = 0; index < g_themes.size(); ++index) {
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auto* action = g_themes_menu->action_at(index);
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action->set_checked(!theme_overridden && action->text() == current_theme_name);
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}
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};
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system_menu->add_action(GUI::Action::create("&Settings", Gfx::Bitmap::try_load_from_file("/res/icons/16x16/app-settings.png"sv).release_value_but_fixme_should_propagate_errors(), [&](auto&) {
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GUI::Process::spawn_or_show_error(window_ref.get(), "/bin/Settings"sv);
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}));
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system_menu->add_separator();
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system_menu->add_action(GUI::Action::create("&Help", Gfx::Bitmap::try_load_from_file("/res/icons/16x16/app-help.png"sv).release_value_but_fixme_should_propagate_errors(), [&](auto&) {
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GUI::Process::spawn_or_show_error(window_ref.get(), "/bin/Help"sv);
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}));
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system_menu->add_action(GUI::Action::create("&Run...", Gfx::Bitmap::try_load_from_file("/res/icons/16x16/app-run.png"sv).release_value_but_fixme_should_propagate_errors(), [](auto&) {
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posix_spawn_file_actions_t spawn_actions;
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posix_spawn_file_actions_init(&spawn_actions);
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auto home_directory = Core::StandardPaths::home_directory();
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posix_spawn_file_actions_addchdir(&spawn_actions, home_directory.characters());
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pid_t child_pid;
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const char* argv[] = { "/bin/Run", nullptr };
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if ((errno = posix_spawn(&child_pid, "/bin/Run", &spawn_actions, nullptr, const_cast<char**>(argv), environ))) {
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perror("posix_spawn");
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} else {
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if (disown(child_pid) < 0)
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perror("disown");
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}
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posix_spawn_file_actions_destroy(&spawn_actions);
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}));
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system_menu->add_separator();
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system_menu->add_action(GUI::Action::create("E&xit...", Gfx::Bitmap::try_load_from_file("/res/icons/16x16/power.png"sv).release_value_but_fixme_should_propagate_errors(), [](auto&) {
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auto command = ShutdownDialog::show();
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if (command.size() == 0)
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return;
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pid_t child_pid;
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if ((errno = posix_spawn(&child_pid, command[0], nullptr, nullptr, const_cast<char**>(command.data()), environ))) {
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perror("posix_spawn");
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} else {
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if (disown(child_pid) < 0)
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perror("disown");
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}
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}));
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return system_menu;
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}
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