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Get rid of abi::datastructures::WindowProperties

Browse source 
Instead, pass a reference to the root item when mapping the window,
at which point we can downcast to the new Window item. If we have one,
then we'll read its width/height (for initial values) and install
bindings to keep them up-to-date.
This commit is contained in:
Simon Hausmann 2020-08-11 16:05:16 +02:00
parent 3d5d112deb
commit aafb96cb93
14 changed files with 150 additions and 116 deletions
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20
sixtyfps_compiler/generator/cpp.rs
View file

@ -642,24 +642,16 @@ fn generate_component(
}),
));
let window_props = |name| {
let root_elem = component.root_element.borrow();
if root_elem.lookup_property(name) == Type::Length {
format!("&this->{}.{}", root_elem.id, name)
} else {
"nullptr".to_owned()
}
};
let root_elem = component.root_element.borrow();
component_struct.members.push((
Access::Public,
Declaration::Function(Function {
name: "window_properties".into(),
signature: "() -> sixtyfps::WindowProperties".into(),
name: "root_item".into(),
signature: "() -> VRef<sixtyfps::internal::ItemVTable>".into(),
statements: Some(vec![format!(
"return {{ {} , {} }};",
window_props("width"),
window_props("height")
"return {{ &sixtyfps::{vt}, &this->{id} }};",
vt = root_elem.base_type.as_native().vtable_symbol,
id = root_elem.id
)]),
..Default::default()
}),