Serenity Operating System
1/*
2 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this
9 * list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
22 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include <LibGUI/Application.h>
28#include <LibGUI/BoxLayout.h>
29#include <LibGUI/Button.h>
30#include <LibGUI/Desktop.h>
31#include <LibGUI/Label.h>
32#include <LibGUI/Window.h>
33#include <LibGfx/Font.h>
34#include <stdio.h>
35#include <sys/utsname.h>
36
37int main(int argc, char** argv)
38{
39 if (pledge("stdio shared_buffer accept rpath unix cpath fattr", nullptr) < 0) {
40 perror("pledge");
41 return 1;
42 }
43
44 GUI::Application app(argc, argv);
45
46 if (pledge("stdio shared_buffer accept rpath", nullptr) < 0) {
47 perror("pledge");
48 return 1;
49 }
50
51 if (unveil("/res", "r") < 0) {
52 perror("unveil");
53 return 1;
54 }
55
56 unveil(nullptr, nullptr);
57
58 auto window = GUI::Window::construct();
59 window->set_title("About SerenityOS");
60 Gfx::Rect window_rect { 0, 0, 240, 180 };
61 window_rect.center_within(GUI::Desktop::the().rect());
62 window->set_resizable(false);
63 window->set_rect(window_rect);
64
65 auto widget = GUI::Widget::construct();
66 window->set_main_widget(widget);
67 widget->set_fill_with_background_color(true);
68 widget->set_layout(make<GUI::VerticalBoxLayout>());
69 widget->layout()->set_margins({ 0, 8, 0, 8 });
70 widget->layout()->set_spacing(8);
71
72 auto icon_label = widget->add<GUI::Label>();
73 icon_label->set_icon(Gfx::Bitmap::load_from_file("/res/icons/serenity.png"));
74 icon_label->set_size_policy(GUI::SizePolicy::Fixed, GUI::SizePolicy::Fixed);
75 icon_label->set_preferred_size(icon_label->icon()->size());
76
77 auto label = widget->add<GUI::Label>();
78 label->set_font(Gfx::Font::default_bold_font());
79 label->set_text("SerenityOS");
80 label->set_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fixed);
81 label->set_preferred_size(0, 11);
82
83 utsname uts;
84 int rc = uname(&uts);
85 ASSERT(rc == 0);
86
87 auto version_label = widget->add<GUI::Label>();
88 version_label->set_text(String::format("Version %s", uts.release));
89 version_label->set_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fixed);
90 version_label->set_preferred_size(0, 11);
91
92 auto git_info_label = widget->add<GUI::Label>();
93 git_info_label->set_text(String::format("Built on %s@%s", GIT_BRANCH, GIT_COMMIT));
94 git_info_label->set_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fixed);
95 git_info_label->set_preferred_size(0, 11);
96
97 auto git_changes_label = widget->add<GUI::Label>();
98 git_changes_label->set_text(String::format("Changes: %s", GIT_CHANGES));
99 git_changes_label->set_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fixed);
100 git_changes_label->set_preferred_size(0, 11);
101
102 auto quit_button = widget->add<GUI::Button>();
103 quit_button->set_text("Okay");
104 quit_button->set_size_policy(GUI::SizePolicy::Fixed, GUI::SizePolicy::Fixed);
105 quit_button->set_preferred_size(100, 20);
106 quit_button->on_click = [](GUI::Button&) {
107 GUI::Application::the().quit(0);
108 };
109
110 quit_button->set_focus(true);
111 window->show();
112 return app.exec();
113}