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Implement ViewWrapper::important_area

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This commit is contained in:
Alexandre Bury 2018-03-22 15:15:49 -07:00
parent 6729453118
commit d140e154aa
1 changed files with 11 additions and 0 deletions
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11
src/view/view_wrapper.rs
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@ -1,6 +1,7 @@
use Printer;
use direction::Direction;
use event::{Event, EventResult};
use rect::Rect;
use std::any::Any;
use vec::Vec2;
use view::{Selector, View};
@ -94,6 +95,12 @@ pub trait ViewWrapper: 'static {
self.with_view(|v| v.needs_relayout())
.unwrap_or(true)
}
/// Wraps the `important_area` method.
fn wrap_important_area(&self, size: Vec2) -> Rect {
self.with_view(|v| v.important_area(size))
.unwrap_or(Rect::from((0, 0)))
}
}
// The main point of implementing ViewWrapper is to have View for free.
@ -131,6 +138,10 @@ impl<T: ViewWrapper> View for T {
fn focus_view(&mut self, selector: &Selector) -> Result<(), ()> {
self.wrap_focus_view(selector)
}
fn important_area(&self, size: Vec2) -> Rect {
self.wrap_important_area(size)
}
}
/// Convenient macro to implement the [`ViewWrapper`] trait.