Jinzhou Zhang 40099ce0cc [lib] add as_any for SkimItem for downcast ... 1. add `as_any` for `SkimItem` 2. fix preview: deal with multi-lines prepared text 3. API for preview (non-)colored text Skim will take trait object `Arc<dyn SkimItem>` and will return it back in `SkimOutput`. Caller will need the concrete type reference to call some type-specific methods. The `AsAny` trait is used for downcasting `Arc<dyn SkimItem>` back to reference to its concrete type. Q: Why not use associated type? 1. Associated type would pollute all the type signatures that deals with `SkimItem`. Some traits could no longer be made into trait object with generic type in their method signature. ``` pub trait MatchEngine: Sync + Send { fn match_item<T: SkimItem>(&self, item: Arc<ItemWrapper<T>>) -> Option<MatchedItem<T>>; } ``` To fix it would require much more work than I think. 2. Currently the support for "interaction mode" and "append-and-select" action is done inside skim. That means some items added to skim could not guaentee to be the associated type.		2020-02-07 10:34:29 +08:00
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custom_item.rs	[lib] add as_any for SkimItem for downcast	2020-02-07 10:34:29 +08:00
option_builder.rs	[lib] add as_any for SkimItem for downcast	2020-02-07 10:34:29 +08:00
sample.rs	fix #216 support item specific preview hook method	2020-02-05 15:04:15 +08:00