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implement sequencer focus; auto update_focus

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🪞👃🪞 2024-10-09 22:50:23 +03:00
parent 9f15f8fff9
commit 3bf475d15e
8 changed files with 119 additions and 160 deletions
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7
crates/tek_core/src/focus.rs
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@ -4,6 +4,7 @@ pub trait FocusGrid<T: Copy + PartialEq> {
fn layout (&self) -> &[&[T]];
fn cursor (&self) -> (usize, usize);
fn cursor_mut (&mut self) -> &mut (usize, usize);
fn update_focus (&mut self) {}
fn focused (&self) -> &T {
let (x, y) = self.cursor();
&self.layout()[y][x]
@ -16,6 +17,7 @@ pub trait FocusGrid<T: Copy + PartialEq> {
((x as f32 / layout[y].len() as f32) * layout[next_y].len() as f32) as usize
};
*self.cursor_mut() = (next_x, next_y);
self.update_focus();
}
fn focus_down (&mut self) {
let layout = self.layout();
@ -25,18 +27,21 @@ pub trait FocusGrid<T: Copy + PartialEq> {
((x as f32 / layout[y].len() as f32) * layout[next_y].len() as f32) as usize
};
*self.cursor_mut() = (next_x, next_y);
self.update_focus();
}
fn focus_left (&mut self) {
let layout = self.layout();
let (x, y) = self.cursor();
let next_x = if x == 0 { layout[y].len().saturating_sub(1) } else { x - 1 };
*self.cursor_mut() = (next_x, y);
self.update_focus();
}
fn focus_right (&mut self) {
let layout = self.layout();
let (x, y) = self.cursor();
let next_x = if x >= layout[y].len().saturating_sub(1) { 0 } else { x + 1 };
*self.cursor_mut() = (next_x, y);
self.update_focus();
}
fn focus_next (&mut self) {
let current = *self.focused();
@ -50,6 +55,7 @@ pub trait FocusGrid<T: Copy + PartialEq> {
if *self.focused() == current { // FIXME: prevent infinite loop
self.focus_next()
}
self.update_focus();
}
fn focus_prev (&mut self) {
let current = *self.focused();
@ -65,6 +71,7 @@ pub trait FocusGrid<T: Copy + PartialEq> {
if *self.focused() == current { // FIXME: prevent infinite loop
self.focus_prev()
}
self.update_focus();
}
}