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Introduce Shell type in iced_native

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Widgets now can invalidate the current layout of the application on demand.
This commit is contained in:
Héctor Ramón Jiménez 2021-11-29 16:22:01 +07:00
parent f7792d89d6
commit bbd9355450
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GPG key ID: 140CC052C94F138E
26 changed files with 218 additions and 130 deletions
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21
native/src/element.rs
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@ -4,7 +4,7 @@ use crate::mouse;
use crate::overlay;
use crate::renderer;
use crate::{
Clipboard, Color, Hasher, Layout, Length, Point, Rectangle, Widget,
Clipboard, Color, Hasher, Layout, Length, Point, Rectangle, Shell, Widget,
};
/// A generic [`Widget`].
@ -228,7 +228,7 @@ where
cursor_position: Point,
renderer: &Renderer,
clipboard: &mut dyn Clipboard,
messages: &mut Vec<Message>,
shell: &mut Shell<'_, Message>,
) -> event::Status {
self.widget.on_event(
event,
@ -236,7 +236,7 @@ where
cursor_position,
renderer,
clipboard,
messages,
shell,
)
}
@ -327,9 +327,10 @@ where
cursor_position: Point,
renderer: &Renderer,
clipboard: &mut dyn Clipboard,
messages: &mut Vec<B>,
shell: &mut Shell<'_, B>,
) -> event::Status {
let mut original_messages = Vec::new();
let mut local_messages = Vec::new();
let mut local_shell = Shell::new(&mut local_messages);
let status = self.widget.on_event(
event,
@ -337,12 +338,10 @@ where
cursor_position,
renderer,
clipboard,
&mut original_messages,
&mut local_shell,
);
original_messages
.drain(..)
.for_each(|message| messages.push((self.mapper)(message)));
shell.merge(local_shell, &self.mapper);
status
}
@ -427,7 +426,7 @@ where
cursor_position: Point,
renderer: &Renderer,
clipboard: &mut dyn Clipboard,
messages: &mut Vec<Message>,
shell: &mut Shell<'_, Message>,
) -> event::Status {
self.element.widget.on_event(
event,
@ -435,7 +434,7 @@ where
cursor_position,
renderer,
clipboard,
messages,
shell,
)
}