mirror of
https://github.com/RGBCube/serenity
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1a97382305
The pattern to construct `Application` was to use the `try_create` method from the `C_OBJECT` macro. While being safe from an OOM perspective, this method doesn't propagate errors from the constructor. This patch make `Application` use the `C_OBJECT_ABSTRACT` and manually define a `create` method that can bubble up errors from the construction stage. This commit also removes the ability to use `argc` and `argv` to create an `Application`, only `Main`'s `Arguments` can be used. From a user point of view, the patch renames `try_create` => `create`, hence the huge number of modified files.
106 lines
3.5 KiB
C++
106 lines
3.5 KiB
C++
/*
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* Copyright (c) 2023, Tim Flynn <trflynn89@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/QuickSort.h>
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#include <LibCore/System.h>
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#include <LibDesktop/AppFile.h>
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#include <LibGUI/Application.h>
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#include <LibGUI/BoxLayout.h>
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#include <LibGUI/Icon.h>
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#include <LibGUI/IconView.h>
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#include <LibGUI/Menu.h>
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#include <LibGUI/Model.h>
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#include <LibGUI/Process.h>
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#include <LibGUI/Window.h>
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#include <LibMain/Main.h>
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class ScreensaverAppsModel final : public GUI::Model {
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public:
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ScreensaverAppsModel()
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{
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Desktop::AppFile::for_each([&](Desktop::AppFile& app_file) {
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if (app_file.category() != "Demos/Screensaver"sv)
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return;
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m_apps.append(app_file);
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});
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quick_sort(m_apps, [](auto& a, auto& b) { return a->name() < b->name(); });
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}
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virtual int row_count(GUI::ModelIndex const&) const override { return static_cast<int>(m_apps.size()); }
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virtual int column_count(GUI::ModelIndex const&) const override { return 1; }
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virtual GUI::ModelIndex index(int row, int column, GUI::ModelIndex const&) const override
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{
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if (row < 0 || row >= static_cast<int>(m_apps.size()))
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return {};
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return create_index(row, column, &m_apps[row]);
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}
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virtual GUI::Variant data(GUI::ModelIndex const& index, GUI::ModelRole role) const override
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{
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auto const& app = m_apps[index.row()];
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if (role == GUI::ModelRole::Icon)
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return app->icon();
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if (role == GUI::ModelRole::Display) {
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if (app->name().ends_with(" Screensaver"sv))
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return app->name().substring(0, app->name().length() - " Screensaver"sv.length());
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return app->name();
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}
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if (role == GUI::ModelRole::Custom)
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return app->executable();
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return {};
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}
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private:
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Vector<NonnullRefPtr<Desktop::AppFile>> m_apps;
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};
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ErrorOr<int> serenity_main(Main::Arguments arguments)
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{
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TRY(Core::System::pledge("stdio thread recvfd sendfd rpath cpath wpath unix proc exec"));
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auto app = TRY(GUI::Application::create(arguments));
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TRY(Core::System::pledge("stdio thread recvfd sendfd rpath cpath wpath proc exec"));
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auto app_icon = GUI::Icon::default_icon("app-screensaver"sv);
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auto window = TRY(GUI::Window::try_create());
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window->set_title("Screensaver");
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window->resize(360, 240);
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auto file_menu = TRY(window->try_add_menu("&File"_short_string));
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file_menu->add_action(GUI::CommonActions::make_quit_action([&](auto&) {
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app->quit();
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}));
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auto help_menu = TRY(window->try_add_menu("&Help"_short_string));
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TRY(help_menu->try_add_action(GUI::CommonActions::make_command_palette_action(window)));
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TRY(help_menu->try_add_action(GUI::CommonActions::make_about_action("Screensaver", app_icon, window)));
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auto main_widget = TRY(window->set_main_widget<GUI::Widget>());
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main_widget->set_fill_with_background_color(true);
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main_widget->set_layout<GUI::VerticalBoxLayout>();
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auto icon_view = TRY(main_widget->try_add<GUI::IconView>());
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icon_view->set_should_hide_unnecessary_scrollbars(true);
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auto model = adopt_ref(*new ScreensaverAppsModel);
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icon_view->set_model(*model);
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icon_view->on_activation = [&](GUI::ModelIndex const& index) {
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auto executable = model->data(index, GUI::ModelRole::Custom).as_string();
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GUI::Process::spawn_or_show_error(window, executable);
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};
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window->set_icon(app_icon.bitmap_for_size(16));
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window->show();
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return app->exec();
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}
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