slint/examples/todo-mvc/ui/widgets/icon_button.slint

// Copyright © SixtyFPS GmbH <info@slint.dev>
// SPDX-License-Identifier: MIT

import { SizeSettings, TodoPalette } from "styling.slint";
import { FocusTouchArea } from "focus_touch_area.slint";
import { StateLayer } from "./state_layer.slint";

export component IconButton {
    callback clicked;

    in property <image> icon;

    horizontal-stretch: 0;
    vertical-stretch: 0;
    forward-focus: touch-area;
    width: self.height;
    height: SizeSettings.control-height;

    touch-area := FocusTouchArea {
        width: 100%;
        height: 100%;

        clicked => {
            root.clicked();
        }
    }
        
    StateLayer {
        width: 100%;
        height: 100%;
        border-radius: self.height / 2;
        pressed: touch-area.pressed || touch-area.enter-pressed;
        has-focus: touch-area.has-focus;
        has-hover: touch-area.has-hover;
    }

    content-layer := HorizontalLayout {
        alignment: center;

        icon-image := Image {
            source: root.icon;
            height: SizeSettings.control-icon-height;
            y: (parent.height - self.height) / 2;
            colorize: TodoPalette.foreground;
        }        
    }
}