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🪞👃🪞 2024-11-21 00:53:11 +01:00
parent 76da19d9c6
commit 5673dd7e8a
14 changed files with 170 additions and 190 deletions
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18
crates/tek_core/src/focus.rs
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@ -12,7 +12,7 @@ pub enum FocusCommand {
Exit
}
impl<F: HasFocus + FocusGrid + FocusEnter> Command<F> for FocusCommand {
impl<F: HasFocus + FocusGrid> Command<F> for FocusCommand {
fn execute (self, state: &mut F) -> Perhaps<FocusCommand> {
use FocusCommand::*;
match self {
@ -46,6 +46,12 @@ pub trait HasFocus {
self.focus_next()
}
}
/// Enter the focused item
fn focus_enter (&mut self) {}
/// Exit the focused item
fn focus_exit (&mut self) {}
/// Return the focused item, if any
fn focus_entered (&self) -> Option<Self::Item> { None }
}
/// Trait for things that implement directional focus.
@ -94,7 +100,7 @@ pub trait FocusGrid {
impl<T, U> HasFocus for U
where
T: Copy + PartialEq + Debug,
U: FocusGrid<Item = T> + FocusEnter<Item = T>,
U: FocusGrid<Item = T>
{
type Item = T;
fn focused (&self) -> Self::Item {
@ -134,11 +140,3 @@ where
self.focus_update();
}
}
/// Trait for things that can be focused into.
pub trait FocusEnter {
type Item: Copy + PartialEq + Debug;
fn focus_enter (&mut self) {}
fn focus_exit (&mut self) {}
fn focus_entered (&self) -> Option<Self::Item>;
}