ladybird/Demos/HelloWorld/main.cpp
2020-11-02 13:15:54 +01:00

80 lines
2.8 KiB
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <LibGUI/Application.h>
#include <LibGUI/BoxLayout.h>
#include <LibGUI/Button.h>
#include <LibGUI/Icon.h>
#include <LibGUI/Label.h>
#include <LibGUI/Widget.h>
#include <LibGUI/Window.h>
int main(int argc, char** argv)
{
auto app = GUI::Application::construct(argc, argv);
auto app_icon = GUI::Icon::default_icon("app-hello-world");
if (pledge("stdio rpath shared_buffer", nullptr) < 0) {
perror("pledge");
return 1;
}
if (unveil("/res", "r") < 0) {
perror("unveil");
return 1;
}
if (unveil(nullptr, nullptr) < 0) {
perror("unveil");
return 1;
}
auto window = GUI::Window::construct();
window->resize(240, 160);
window->set_title("Hello World!");
window->set_icon(app_icon.bitmap_for_size(16));
auto& main_widget = window->set_main_widget<GUI::Widget>();
main_widget.set_fill_with_background_color(true);
main_widget.set_background_color(Color::White);
auto& layout = main_widget.set_layout<GUI::VerticalBoxLayout>();
layout.set_margins({ 4, 4, 4, 4 });
auto& label = main_widget.add<GUI::Label>();
label.set_text("Hello\nWorld!");
auto& button = main_widget.add<GUI::Button>();
button.set_text("Good-bye");
button.set_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fixed);
button.set_preferred_size(0, 20);
button.on_click = [&](auto) {
app->quit();
};
window->show();
return app->exec();
}