#include #include #include #include #include #include int main(int argc, char** argv) { GApplication app(argc, argv); auto window = GWindow::construct(); window->set_rect(100, 100, 240, 160); window->set_title("Hello World!"); auto main_widget = GWidget::construct(); window->set_main_widget(main_widget); main_widget->set_fill_with_background_color(true); main_widget->set_background_color(Color::White); main_widget->set_layout(make(Orientation::Vertical)); main_widget->layout()->set_margins({ 4, 4, 4, 4 }); auto label = GLabel::construct(main_widget); label->set_text("Hello\nWorld!"); auto button = GButton::construct(main_widget); button->set_text("Good-bye"); button->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed); button->set_preferred_size(0, 20); button->on_click = [&](GButton&) { app.quit(); }; window->show(); return app.exec(); }