slint/examples/7guis/timer.slint

// Copyright © SixtyFPS GmbH <info@slint-ui.com>
// SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-Slint-commercial

import { LineEdit, Button, Slider, HorizontalBox, VerticalBox } from "std-widgets.slint";

MainWindow := Window {
    property <duration> total-time: slider.value * 1s;
    property <duration> elapsed-time;
    
    callback tick(duration);
    tick(passed-time) => {
        elapsed-time += passed-time;
        elapsed-time = min(elapsed-time, total-time);
    }

    VerticalBox {
        HorizontalBox {
            padding-left: 0;
            Text { text: "Elapsed Time:"; }
            Rectangle {
                min-width: 200px;
                max-height: 30px;
                background: gray;
                Rectangle {
                    height: 100%;
                    width: parent.width * (elapsed-time/total-time);
                    background: lightblue;
                }
            }
        }
        Text{
            text: (total-time / 1s) + "s";
        }
        HorizontalBox {
            padding-left: 0;
            Text {
                text: "Duration:";
                vertical-alignment: center;
            }
            slider := Slider {
                maximum: 30s / 1s;
                value: 10s / 1s;
                changed(new-duration) => {
                    root.total-time = new-duration * 1s;
                    root.elapsed-time = min(root.elapsed-time, root.total-time);
                }
            }
        }
        Button {
            text: "Reset";
            clicked => {
                elapsed-time = 0
            }
        }
    }
}