slint/internal/compiler/tests/syntax/analysis/binding_loop_text.slint

// Copyright © SixtyFPS GmbH <info@slint.dev>
// SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-Slint-Royalty-free-2.0 OR LicenseRef-Slint-Software-3.0

global G {
    in-out property <relative-font-size> size: 5rem;
}

component OkButton inherits Text {
    font-size: G.size;  // use rem without access to Window
}


component KoButton inherits Text {
    font-size: G.size;  // use rem without access to Window
//             ^error{The binding for the property 'font-size' is part of a binding loop (b.font-size -> root.default-font-size)}
}

export component Test inherits Window {
    Text { font-size: self.font-metrics.ascent; }
//  ^error{The binding for the property 'font-metrics' is part of a binding loop (font-metrics -> font-size)}
//                    ^^error{The binding for the property 'font-size' is part of a binding loop (font-metrics -> font-size)}

    t1 := Text { font-italic: t2.font-metrics.cap-height > 10px; }
//        ^error{The binding for the property 'font-metrics' is part of a binding loop (t2.font-metrics -> t1.font-italic -> t1.font-metrics -> t2.font-weight)}
//                            ^^error{The binding for the property 'font-italic' is part of a binding loop (t2.font-metrics -> t1.font-italic -> t1.font-metrics -> t2.font-weight)}
    t2 := Text { font-weight: t1.font-metrics.descent / 0.5px; }
//        ^error{The binding for the property 'font-metrics' is part of a binding loop (t2.font-metrics -> t1.font-italic -> t1.font-metrics -> t2.font-weight)}
//                            ^^error{The binding for the property 'font-weight' is part of a binding loop (t2.font-metrics -> t1.font-italic -> t1.font-metrics -> t2.font-weight)}

    OkButton {}

    b := KoButton {}
    default-font-size: b.font-size;
//                     ^error{The binding for the property 'default-font-size' is part of a binding loop (b.font-size -> root.default-font-size)}

    dialog1 := Window {
        default-font-size: 2rem;
    }
}