jcs.org
Serenity Operating System
1/*
2 * Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
3 *
4 * SPDX-License-Identifier: BSD-2-Clause
5 */
6
7#include <AK/QuickSort.h>
8#include <LibCore/System.h>
9#include <LibDesktop/AppFile.h>
10#include <LibGUI/Application.h>
11#include <LibGUI/BoxLayout.h>
12#include <LibGUI/Icon.h>
13#include <LibGUI/IconView.h>
14#include <LibGUI/Menu.h>
15#include <LibGUI/Model.h>
16#include <LibGUI/Process.h>
17#include <LibGUI/Statusbar.h>
18#include <LibGUI/Window.h>
19#include <LibMain/Main.h>
20#include <serenity.h>
21#include <stdio.h>
22#include <unistd.h>
23
24// Modeled after PlaylistWidget.
25enum class SettingsAppsModelCustomRole {
26 _DONOTUSE = (int)GUI::ModelRole::Custom,
27 RequiresRoot
28};
29
30class SettingsAppsModel final : public GUI::Model {
31public:
32 SettingsAppsModel()
33 {
34 Desktop::AppFile::for_each([&](Desktop::AppFile& app_file) {
35 if (app_file.category() != "Settings")
36 return;
37 m_apps.append(app_file);
38 });
39 quick_sort(m_apps, [](auto& a, auto& b) { return a->name() < b->name(); });
40 }
41 virtual int row_count(GUI::ModelIndex const&) const override { return m_apps.size(); }
42 virtual int column_count(GUI::ModelIndex const&) const override { return 1; }
43
44 virtual GUI::ModelIndex index(int row, int column, GUI::ModelIndex const&) const override
45 {
46 if (row < 0 || row >= (int)m_apps.size())
47 return {};
48 return create_index(row, column, &m_apps[row]);
49 }
50
51 virtual GUI::Variant data(GUI::ModelIndex const& index, GUI::ModelRole role) const override
52 {
53 auto& app = m_apps[index.row()];
54 if (role == GUI::ModelRole::Icon)
55 return app->icon();
56
57 if (role == GUI::ModelRole::Display) {
58 DeprecatedString name;
59
60 if (app->name().ends_with(" Settings"sv))
61 name = app->name().substring(0, app->name().length() - " Settings"sv.length());
62 else
63 name = app->name();
64
65 return name;
66 }
67
68 if (role == GUI::ModelRole::Custom)
69 return app->executable();
70
71 if (role == static_cast<GUI::ModelRole>(SettingsAppsModelCustomRole::RequiresRoot))
72 return app->requires_root();
73
74 return {};
75 }
76
77private:
78 Vector<NonnullRefPtr<Desktop::AppFile>> m_apps;
79};
80
81ErrorOr<int> serenity_main(Main::Arguments arguments)
82{
83 TRY(Core::System::pledge("stdio thread recvfd sendfd rpath cpath wpath unix proc exec"));
84
85 auto app = TRY(GUI::Application::try_create(arguments));
86
87 TRY(Core::System::pledge("stdio thread recvfd sendfd rpath cpath wpath proc exec"));
88
89 auto app_icon = GUI::Icon::default_icon("app-settings"sv);
90
91 auto window = TRY(GUI::Window::try_create());
92 window->set_title("Settings");
93 window->resize(420, 210);
94
95 auto file_menu = TRY(window->try_add_menu("&File"));
96 file_menu->add_action(GUI::CommonActions::make_quit_action([&](auto&) {
97 app->quit();
98 }));
99
100 auto help_menu = TRY(window->try_add_menu("&Help"));
101 TRY(help_menu->try_add_action(GUI::CommonActions::make_command_palette_action(window)));
102 TRY(help_menu->try_add_action(GUI::CommonActions::make_about_action("Settings", app_icon, window)));
103
104 auto main_widget = TRY(window->set_main_widget<GUI::Widget>());
105 main_widget->set_fill_with_background_color(true);
106 main_widget->set_layout<GUI::VerticalBoxLayout>();
107
108 auto icon_view = TRY(main_widget->try_add<GUI::IconView>());
109 icon_view->set_should_hide_unnecessary_scrollbars(true);
110 auto model = adopt_ref(*new SettingsAppsModel);
111 icon_view->set_model(*model);
112
113 icon_view->on_activation = [&](GUI::ModelIndex const& index) {
114 auto executable = model->data(index, GUI::ModelRole::Custom).as_string();
115 auto requires_root = model->data(index, static_cast<GUI::ModelRole>(SettingsAppsModelCustomRole::RequiresRoot)).as_bool();
116
117 auto launch_origin_rect = icon_view->to_widget_rect(icon_view->content_rect(index)).translated(icon_view->screen_relative_rect().location());
118 setenv("__libgui_launch_origin_rect", DeprecatedString::formatted("{},{},{},{}", launch_origin_rect.x(), launch_origin_rect.y(), launch_origin_rect.width(), launch_origin_rect.height()).characters(), 1);
119
120 if (requires_root)
121 GUI::Process::spawn_or_show_error(window, "/bin/Escalator"sv, Array { executable });
122 else
123 GUI::Process::spawn_or_show_error(window, executable);
124 };
125
126 auto statusbar = TRY(main_widget->try_add<GUI::Statusbar>());
127
128 icon_view->on_selection_change = [&] {
129 auto index = icon_view->selection().first();
130 if (!index.is_valid()) {
131 statusbar->set_text({});
132 return;
133 }
134
135 auto& app = *(NonnullRefPtr<Desktop::AppFile>*)index.internal_data();
136 statusbar->set_text(app->description());
137 };
138
139 window->set_icon(app_icon.bitmap_for_size(16));
140
141 window->show();
142 return app->exec();
143}