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Add Dialog::into_content

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This commit is contained in:
Alexandre Bury 2020-06-13 22:53:38 -07:00
parent 7d833d5386
commit 8df6b05e1c
1 changed files with 24 additions and 4 deletions
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28
cursive-core/src/views/dialog.rs
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@ -3,7 +3,7 @@ use crate::direction::{Absolute, Direction, Relative};
use crate::event::{AnyCb, Event, EventResult, Key}; use crate::event::{AnyCb, Event, EventResult, Key};
use crate::rect::Rect; use crate::rect::Rect;
use crate::theme::ColorStyle; use crate::theme::ColorStyle;
use crate::view::{Margins, Selector, View}; use crate::view::{IntoBoxedView, Margins, Selector, View};
use crate::views::{BoxedView, Button, DummyView, LastSizeView, TextView}; use crate::views::{BoxedView, Button, DummyView, LastSizeView, TextView};
use crate::Cursive; use crate::Cursive;
use crate::Printer; use crate::Printer;
@ -89,7 +89,7 @@ impl Dialog {
} }
/// Creates a new `Dialog` with the given content. /// Creates a new `Dialog` with the given content.
pub fn around<V: View + 'static>(view: V) -> Self { pub fn around<V: IntoBoxedView>(view: V) -> Self {
Dialog { Dialog {
content: LastSizeView::new(BoxedView::boxed(view)), content: LastSizeView::new(BoxedView::boxed(view)),
buttons: Vec::new(), buttons: Vec::new(),
@ -116,7 +116,7 @@ impl Dialog {
/// .content(TextView::new("Hello!")) /// .content(TextView::new("Hello!"))
/// .button("Quit", |s| s.quit()); /// .button("Quit", |s| s.quit());
/// ``` /// ```
pub fn content<V: View + 'static>(self, view: V) -> Self { pub fn content<V: IntoBoxedView>(self, view: V) -> Self {
self.with(|s| s.set_content(view)) self.with(|s| s.set_content(view))
} }
@ -141,10 +141,30 @@ impl Dialog {
&mut *self.content.view &mut *self.content.view
} }
/// Consumes `self` and returns the boxed content view.
///
/// # Examples
///
/// ```
/// use cursive_core::views::{Dialog, TextView};
/// use cursive_core::view::View;
///
/// let dialog = Dialog::around(TextView::new("abc"));
///
/// let content: Box<dyn View> = dialog.into_content();
/// assert!(content.is::<TextView>());
///
/// let content: Box<TextView> = content.downcast().ok().unwrap();
/// assert_eq!(content.get_content().source(), "abc");
/// ```
pub fn into_content(self) -> Box<dyn View> {
self.content.view.unwrap()
}
/// Sets the content for this dialog. /// Sets the content for this dialog.
/// ///
/// Previous content will be dropped. /// Previous content will be dropped.
pub fn set_content<V: View + 'static>(&mut self, view: V) { pub fn set_content<V: IntoBoxedView>(&mut self, view: V) {
self.content = LastSizeView::new(BoxedView::boxed(view)); self.content = LastSizeView::new(BoxedView::boxed(view));
self.invalidate(); self.invalidate();
} }