slint 1.4.0

GUI toolkit to efficiently develop fluid graphical user interfaces for embedded devices and desktop applications
Documentation 
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/* LICENSE BEGIN
    This file is part of the SixtyFPS Project -- https://sixtyfps.io
    Copyright (c) 2021 Olivier Goffart <olivier.goffart@sixtyfps.io>
    Copyright (c) 2021 Simon Hausmann <simon.hausmann@sixtyfps.io>

    SPDX-License-Identifier: GPL-3.0-only
    This file is also available under commercial licensing terms.
    Please contact info@sixtyfps.io for more information.
LICENSE END */
struct TileData := {
    image: image,
    image_visible: bool,
    solved: bool,
}

MemoryTile := Rectangle {
    callback clicked;
    property <bool> open_curtain;
    property <bool> solved;
    property <image> icon;

    height: 64px;
    width: 64px;
    background: solved ? #34CE57 : #3960D5;
    animate background { duration: 800ms; }

    Image {
        source: icon;
        width: parent.width;
        height: parent.height;
    }

    // Left curtain
    Rectangle {
        background: #193076;
        width: open_curtain ? 0px : (parent.width / 2);
        height: parent.height;
        animate width { duration: 250ms; easing: ease-in; }
    }

    // Right curtain
    Rectangle {
        background: #193076;
        x: open_curtain ? parent.width : (parent.width / 2);
        width: open_curtain ? 0px : (parent.width / 2);
        height: parent.height;
        animate width { duration: 250ms; easing: ease-in; }
        animate x { duration: 250ms; easing: ease-in; }
    }

    TouchArea {
        clicked => {
            // Delegate to the user of this element
            root.clicked();
        }
    }
}
// ANCHOR: mainwindow_interface
MainWindow := Window {
    width: 326px;
    height: 326px;

    callback check_if_pair_solved(); // Added
    property <bool> disable_tiles; // Added

    property <[TileData]> memory_tiles: [
       { image: @image-url("icons/at.png") },
// ANCHOR_END: mainwindow_interface
       { image: @image-url("icons/balance-scale.png") },
       { image: @image-url("icons/bicycle.png") },
       { image: @image-url("icons/bus.png") },
       { image: @image-url("icons/cloud.png") },
       { image: @image-url("icons/cogs.png") },
       { image: @image-url("icons/motorcycle.png") },
       { image: @image-url("icons/video.png") },
    ];
    // ANCHOR: tile_click_logic
    for tile[i] in memory_tiles : MemoryTile {
        x: mod(i, 4) * 74px;
        y: floor(i / 4) * 74px;
        width: 64px;
        height: 64px;
        icon: tile.image;
        open_curtain: tile.image_visible || tile.solved;
        // propagate the solved status from the model to the tile
        solved: tile.solved;
        clicked => {
            // old: tile.image_visible = !tile.image_visible;
            // new:
            if (!root.disable_tiles) {
                tile.image_visible = !tile.image_visible;
                root.check_if_pair_solved();
            }
        }
    }
    // ANCHOR_END: tile_click_logic
}