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// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License in the LICENSE-APACHE file or at:
// https://www.apache.org/licenses/LICENSE-2.0
//! A "navigable" wrapper
use kas::prelude::*;
impl_scope! {
/// Navigation Frame wrapper
///
/// This widget is a wrapper that can be used to make a static widget such as a
/// `Label` navigable with the keyboard.
///
/// # Messages
///
/// When activated, this widget pushes [`Select`] to the message stack.
///
/// [`Select`]: kas::message::Select
#[autoimpl(Deref, DerefMut using self.inner)]
#[autoimpl(class_traits using self.inner where W: trait)]
#[derive(Clone, Default)]
#[widget{
Data = W::Data;
navigable = true;
layout = frame!(self.inner, style = kas::theme::FrameStyle::NavFocus);
}]
pub struct NavFrame<W: Widget> {
core: widget_core!(),
#[widget]
pub inner: W,
}
impl Self {
/// Construct a frame
#[inline]
pub fn new(inner: W) -> Self {
NavFrame {
core: Default::default(),
inner,
}
}
}
impl Events for Self {
fn handle_event(&mut self, cx: &mut EventCx, _: &Self::Data, event: Event) -> IsUsed {
match event {
Event::Command(cmd, code) if cmd.is_activate() => {
if let Some(code) = code {
cx.depress_with_key(self.id(), code);
}
cx.push(kas::message::Select);
Used
}
_ => Unused,
}
}
}
}