slint/internal/compiler/tests/syntax/new_syntax/input_output.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

component Compo inherits Rectangle {
    property <int> priv1: 42;
    private property <int> priv2: priv1;
    out property <int> output1: priv2;
    in property <int> input1: output1;
    in-out property <int> inout1: input1;

    TouchArea {
        clicked => {
            priv1 = 32;
            priv2 = 78;
            output1 = input1;
            input1 = 75;
//          ^error{Assignment on a input property}
            inout1 = 75;
        }

        pressed: true;
//      ^error{Cannot assign to output property 'pressed'}

    }

    states [
        xxx when false : {
            priv1: 42;
            priv2: 55;
            output1: 55;
            input1: 12;
//          ^error{'input1' cannot be set in a state because it is input}
            inout1: 78;
        }
    ]

    animate input1 {}
//          ^error{Cannot animate input property 'input1'}
}

OldCompo := Rectangle {
    property <int> inout2: 42;
    private property <int> priv2: inout2;
    out property <int> output1: priv2;
    in property <int> input1: output1;
    in-out property <int> inout1: input1;

    TouchArea {
        clicked => {
            pub1 = 32;
//          ^error{Unknown unqualified identifier 'pub1'}
            priv2 = 78;
            output1 = input1;
            input1 = 75;
//          ^error{Assignment on a input property}
            inout1 = 75;
        }
    }
}

export component Foo inherits Rectangle {

    c1 := OldCompo {
        inout2: 42;
        priv2: 55;
//      ^error{Cannot assign to private property 'priv2'}
        output1: 855;
//      ^error{Cannot assign to output property 'output1'}
        input1: 12;
        inout1: 78;

        animate output1 {}
//              ^error{Cannot animate output property 'output1'}

        animate priv2 {}
//              ^error{Cannot animate private property 'priv2'}

    }

    c2 := Compo {
        priv1: 42;
//      ^error{Cannot assign to private property 'priv1'}
        priv2: 55;
//      ^error{Cannot assign to private property 'priv2'}
        output1: 585;
//      ^error{Cannot assign to output property 'output1'}
        input1: 12;
        inout1: 78;
    }

    states [
        foo when true: {
            c2.priv1: 45;
//          ^error{'c2.priv1' cannot be set in a state because it is private}

            c1.priv2: 89;
//          ^error{'c1.priv2' cannot be set in a state because it is private}

            c2.output1: 55;
//          ^error{'c2.output1' cannot be set in a state because it is output}
        }
    ]

}