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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/Label.h>
31#include <LibGUI/Widget.h>
32#include <LibGUI/Window.h>
33
34int main(int argc, char** argv)
35{
36 GUI::Application app(argc, argv);
37
38 auto window = GUI::Window::construct();
39 window->set_rect(100, 100, 240, 160);
40 window->set_title("Hello World!");
41
42 auto main_widget = GUI::Widget::construct();
43 window->set_main_widget(main_widget);
44 main_widget->set_fill_with_background_color(true);
45 main_widget->set_background_color(Color::White);
46 main_widget->set_layout(make<GUI::VerticalBoxLayout>());
47 main_widget->layout()->set_margins({ 4, 4, 4, 4 });
48
49 auto label = main_widget->add<GUI::Label>();
50 label->set_text("Hello\nWorld!");
51
52 auto button = main_widget->add<GUI::Button>();
53 button->set_text("Good-bye");
54 button->set_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fixed);
55 button->set_preferred_size(0, 20);
56 button->on_click = [&](GUI::Button&) {
57 app.quit();
58 };
59
60 window->show();
61
62 return app.exec();
63}