slint/internal/compiler/widgets/cupertino-base/spinbox.slint

// Copyright © SixtyFPS GmbH <info@slint.dev>
// SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-Slint-Royalty-free-1.1 OR LicenseRef-Slint-commercial

import { Palette, Typography, Icons } from "styling.slint";
import { FocusBorder } from "components.slint";

component SpinBoxButton {
    callback clicked <=> i-touch-area.clicked;

    in property <image> icon <=> i-icon.source;

    min-width: 16px;
    horizontal-stretch: 0;

    Rectangle {
        y: (parent.height - self.height) / 2;
        width: 14px;
        height: self.width;

        i-shadow := Rectangle {
            x: (parent.width - self.width) / 2;
            y: (parent.height - self.height) / 2;
            width: parent.width + 2 * self.border-width;
            height: parent.height + 2 * self.border-width;
            border-radius: 4px;
            border-width: 1px;
            border-color: Palette.fake-primary-shadow;
        }

        i-background := Rectangle {
            background: Palette.primary;
            border-radius: 3px;

            i-icon := Image {
                image-fit: contain;
                source: Icons.check-mark;
                colorize: Palette.on-primary;
                width: 10px;

                animate colorize { duration: 150ms; }
            }
        }

        animate background, border-color { duration: 150ms; }
    }

    i-touch-area := TouchArea {}

    states [
        pressed when i-touch-area.pressed : {
            // i-background.background: Palette.subtle;
        }
    ]
}

export component SpinBox {
    callback edited(int /* value */);

    in property <int> minimum;
    in property <int> maximum: 100;
    in property <bool> enabled <=> i-text-input.enabled;
    out property <bool> has-focus <=> i-text-input.has-focus;
    in-out property <int> value;

    min-width: 128px;
    min-height: max(22px, i-layout.min-height);
    vertical-stretch: 0;
    horizontal-stretch: 1;
    accessible-role: spinbox;
    accessible-value: root.value;
    accessible-value-minimum: root.minimum;
    accessible-value-maximum: root.maximum;
    accessible-value-step: (root.maximum - root.minimum) / 100;

    FocusBorder {
        x: (parent.width - self.width) / 2;
        y: (parent.height - self.height) / 2;
        width: parent.width + 6px;
        height: parent.height + 6px;
        border-radius: 9px;
        has-focus: root.has-focus;
    }

    i-shadow := Rectangle {
        x: (parent.width - self.width) / 2;
        y: (parent.height - self.height) / 2;
        width: parent.width + 2 * self.border-width;
        height: parent.height + 2 * self.border-width;
        border-radius: 6px;
        border-width: 1px;
        border-color: Palette.fake-shadow;
    }

    i-background := Rectangle {
        border-radius: 5px;
        background: Palette.surface;
    }

    i-layout := HorizontalLayout {
        padding-left: 7px;
        padding-right: 2px;
        spacing: 3px;

        Rectangle {
            clip: true;

            i-text-input := TextInput {
                vertical-alignment: center;
                horizontal-alignment: left;
                color: Palette.foreground;
                font-size: Typography.body.font-size;
                font-weight: Typography.body.font-weight;
                selection-background-color: Palette.cup-accent-quaternary;
                selection-foreground-color: self.color;
                horizontal-stretch: 1;
                text: root.value;

                accepted => {
                    if (self.text == "") {
                        root.update-value(root.minimum);
                    }
                }

                edited => {
                    if (self.text == "") {
                        root.update-value(root.minimum);
                        return;
                    }

                    if (self.text.is-float()) {
                        root.update-value(root.value + 1);
                        return;
                    }

                    self.text = root.value;
                }
            }

            i-touch-area := TouchArea {
                clicked => {
                    i-text-input.focus();
                }
            }
        }

        SpinBoxButton {
            visible: root.enabled;
            icon: Icons.chevron-up;

            clicked => {
                root.increment();
            }
        }

        SpinBoxButton {
            visible: root.enabled;
            icon: Icons.chevron-down;

            clicked => {
                root.decrement();
            }
        }
    }

    function update-value(value: int) {
        if (value < root.minimum || value > root.maximum) {
            return;
        }

        root.value = value;
        root.edited(value);
    }

    function increment() {
        root.update-value(root.value + 1);
        root.update-text();
    }

    function decrement() {
        root.update-value(root.value - 1);
        root.update-text();
    }

    function update-text() {
        i-text-input.text = root.value;
    }

    states [
        disabled when !root.enabled : {
            i-text-input.color: Palette.foreground-disabled;
            i-background.background: Palette.surface-disabled;
            i-shadow.border-color: Palette.fake-disabled-shadow;
        }
        focused when root.has-focus : {
        }
    ]
}