imgui-rs/imgui-examples/examples/hello_world.rs

use imgui::*;

mod support;

fn main() {
    let mut system = support::init(file!());
    system.imgui.io_mut().config_flags.insert(ConfigFlags::VIEWPORTS_ENABLE);

    let mut value = 0;
    let choices = ["test test this is 1", "test test this is 2"];
    let mut open = true;

    system.main_loop(move |_, ui| {
        if open {
            ui.window("Hello world")
                .opened(&mut open)
                .size([300.0, 110.0], Condition::FirstUseEver)
                .build(|| {
                    ui.text_wrapped("Hello world!");
                    ui.text_wrapped("こんにちは世界！");
                    if ui.button(choices[value]) {
                        value += 1;
                        value %= 2;
                    }

                    ui.button("This...is...imgui-rs!");
                    ui.separator();
                    let mouse_pos = ui.io().mouse_pos;
                    ui.text(format!(
                        "Mouse Position: ({:.1},{:.1})",
                        mouse_pos[0], mouse_pos[1]
                    ));
                });
        }
    });
}