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use view::{View, ViewWrapper};
use direction::Orientation;
use vec::Vec2;
/// Simple wrapper view that asks for all the space it can get.
///
/// # Examples
///
/// ```
/// # use cursive::prelude::*;
/// let view = FullView::new(TextView::new("Big box for little text!"));
/// ```
pub struct FullView<T: View> {
view: T,
orientation: Option<Orientation>,
}
impl<T: View> FullView<T> {
/// Wraps the given view into a new FullView.
///
/// It will always take the entire space available.
pub fn new(view: T) -> Self {
FullView {
view: view,
orientation: None,
}
}
/// Creates a new wrapper around `view` with full width.
///
/// It will always take the maximum width available.
pub fn full_width(view: T) -> Self {
FullView {
view: view,
orientation: Some(Orientation::Horizontal),
}
}
/// Creates a new wrapper around `view` with full height.
///
/// It will always take the maximum height available.
pub fn full_height(view: T) -> Self {
FullView {
view: view,
orientation: Some(Orientation::Vertical),
}
}
}
impl<T: View> ViewWrapper for FullView<T> {
wrap_impl!(&self.view);
fn wrap_get_min_size(&mut self, mut req: Vec2) -> Vec2 {
if let Some(orientation) = self.orientation {
let child_size = self.view.get_min_size(req);
let orientation = orientation.swap();
*orientation.get_ref(&mut req) = orientation.get(&child_size);
}
req
}
}