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Implement reactive-rendering for checkbox

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Héctor Ramón Jiménez 2024-10-22 12:10:24 +02:00
parent 0691e617f3
commit f6c322f2f9
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GPG key ID: 4C07CEC81AFA161F
1 changed files with 35 additions and 14 deletions
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49
widget/src/checkbox.rs
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@ -40,6 +40,7 @@ use crate::core::theme::palette;
use crate::core::touch;
use crate::core::widget;
use crate::core::widget::tree::{self, Tree};
use crate::core::window;
use crate::core::{
Background, Border, Clipboard, Color, Element, Layout, Length, Pixels,
Rectangle, Shell, Size, Theme, Widget,
@ -100,6 +101,7 @@ pub struct Checkbox<
font: Option<Renderer::Font>,
icon: Icon<Renderer::Font>,
class: Theme::Class<'a>,
last_status: Option<Status>,
}
impl<'a, Message, Theme, Renderer> Checkbox<'a, Message, Theme, Renderer>
@ -139,6 +141,7 @@ where
shaping: text::Shaping::Basic,
},
class: Theme::default(),
last_status: None,
}
}
@ -326,6 +329,31 @@ where
_ => {}
}
let current_status = {
let is_mouse_over = cursor.is_over(layout.bounds());
let is_disabled = self.on_toggle.is_none();
let is_checked = self.is_checked;
if is_disabled {
Status::Disabled { is_checked }
} else if is_mouse_over {
Status::Hovered { is_checked }
} else {
Status::Active { is_checked }
}
};
if let Event::Window(window::Event::RedrawRequested(_now)) = event {
self.last_status = Some(current_status);
} else {
match self.last_status {
Some(status) if status != current_status => {
shell.request_redraw(window::RedrawRequest::NextFrame);
}
_ => {}
}
}
event::Status::Ignored
}
@ -351,24 +379,17 @@ where
theme: &Theme,
defaults: &renderer::Style,
layout: Layout<'_>,
cursor: mouse::Cursor,
_cursor: mouse::Cursor,
viewport: &Rectangle,
) {
let is_mouse_over = cursor.is_over(layout.bounds());
let is_disabled = self.on_toggle.is_none();
let is_checked = self.is_checked;
let mut children = layout.children();
let status = if is_disabled {
Status::Disabled { is_checked }
} else if is_mouse_over {
Status::Hovered { is_checked }
} else {
Status::Active { is_checked }
};
let style = theme.style(&self.class, status);
let style = theme.style(
&self.class,
self.last_status.unwrap_or(Status::Disabled {
is_checked: self.is_checked,
}),
);
{
let layout = children.next().unwrap();