slint/internal/compiler/tests/syntax/elements/component_container.slint
Tobias Hunger 93f72b8c99
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core: Fix the component container
This fixes the contents of the `n`-th repeater inside the
`ComponentContainer` to also show up in the `n`-th repeater *after*
the `ComponentContainer`.

The ComponentContainer is lowered to a Comonent Container and a
dynamic tree node. The tree node is managed manually and I messed
up the repeater indices since there were no entries in the repeater
array for the embedded components. That mad things hard to keep
consistent as components get merged.

This chnages that: It lowers a Component Container to Something like this:

```slint
    ComponentContainer {
        if false: Emtpy {}
    }
```

This way the standard mechanismns make sure we have something to put into
the repeater list and that unscrews the indices, saving a bit of code along
the way.

The inserted repeated node is still marked as `is_component_placeholder`, so
that we can wire it up as needed.
2025-06-05 13:48:16 +02:00

28 lines
862 B
Text

// 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
export component Foo inherits Rectangle {
ComponentContainer {
// ^error{The @children placeholder cannot appear in a ComponentContainer}
@children
}
}
export Bar := Rectangle {
// ^warning{':=' to declare a component is deprecated. The new syntax declare components with 'component MyComponent {'. Read the documentation for more info}
Foo { Text {} }
ComponentContainer {
// ^error{ComponentContainers may not have children}
Text {}
}
ComponentContainer {
// ^error{ComponentContainers may not have children}
Text { }
for x in 2: Rectangle {}
Text { }
for x in 2: Rectangle {}
}
ComponentContainer {
}
}