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author | 2022-03-07 16:33:25 +0700 | |
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committer | 2022-03-07 16:35:17 +0700 | |
commit | fa3bd4280e7c34354db0a15ef1baba9fbbeb87f1 (patch) | |
tree | 091bafa26bb66ff58f6d9f1e920cccfa2ef5de42 /lazy/src/pure/component.rs | |
parent | fbbb864aaa7d4163ffea9ccd39d8097568253c3e (diff) | |
download | iced-fa3bd4280e7c34354db0a15ef1baba9fbbeb87f1.tar.gz iced-fa3bd4280e7c34354db0a15ef1baba9fbbeb87f1.tar.bz2 iced-fa3bd4280e7c34354db0a15ef1baba9fbbeb87f1.zip |
Initialize `lazy::pure::Component` view properly
... during `children` and `diff` in the `Widget` implementation
Diffstat (limited to '')
-rw-r--r-- | lazy/src/pure/component.rs | 47 |
1 files changed, 26 insertions, 21 deletions
diff --git a/lazy/src/pure/component.rs b/lazy/src/pure/component.rs index c79e34f8..ad82c55e 100644 --- a/lazy/src/pure/component.rs +++ b/lazy/src/pure/component.rs @@ -101,27 +101,6 @@ where &self, f: impl FnOnce(&mut Element<'_, Event, Renderer>) -> T, ) -> T { - if self - .state - .borrow() - .as_ref() - .unwrap() - .borrow_element() - .is_none() - { - let heads = self.state.borrow_mut().take().unwrap().into_heads(); - - *self.state.borrow_mut() = Some( - StateBuilder { - component: heads.component, - message: PhantomData, - state: PhantomData, - element_builder: |state| Some(state.view(&S::default())), - } - .build(), - ); - } - self.state .borrow_mut() .as_mut() @@ -145,10 +124,36 @@ where } fn children(&self) -> Vec<Tree> { + let heads = self.state.borrow_mut().take().unwrap().into_heads(); + + *self.state.borrow_mut() = Some( + StateBuilder { + component: heads.component, + message: PhantomData, + state: PhantomData, + element_builder: |state| Some(state.view(&S::default())), + } + .build(), + ); + self.with_element(|element| vec![Tree::new(element)]) } fn diff(&self, tree: &mut Tree) { + let heads = self.state.borrow_mut().take().unwrap().into_heads(); + + *self.state.borrow_mut() = Some( + StateBuilder { + component: heads.component, + message: PhantomData, + state: PhantomData, + element_builder: |state| { + Some(state.view(tree.state.downcast_ref())) + }, + } + .build(), + ); + self.with_element(|element| { tree.diff_children(std::slice::from_ref(&element)) }) |