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use freya::{
prelude::*,
radio::use_radio,
};
use keyboard_types::Modifiers;
use crate::{
components::TerminalPane,
state::{
AppChannel,
AppState,
TerminalState,
},
};
#[derive(PartialEq)]
pub struct TerminalGrid {
pub instance_id: usize,
pub terminals: Vec<TerminalState>,
pub on_terminal_reopen: Callback<usize, ()>,
}
fn create_grid_terminal_panel(
terminals: &[TerminalState],
terminal_index: usize,
on_terminal_reopen: Callback<usize, ()>,
focused_terminal_id: Option<AccessibilityId>,
instance_id: usize,
) -> ResizablePanel {
if let Some(terminal_state) = terminals.get(terminal_index) {
let on_reopen = Callback::new(move |_| {
on_terminal_reopen.call(terminal_index);
});
let is_focused = focused_terminal_id
.map(|id| id == terminal_state.focus_id)
.unwrap_or(false);
let focus_id = terminal_state.focus_id;
ResizablePanel::new(50.)
.key(&terminal_state.terminal_id)
.order(terminal_index)
.min_size(5.)
.child(
terminal_state
.handle
.clone()
.map(|handle| {
TerminalPane {
handle,
on_reopen,
is_focused,
focus_id,
instance_id,
terminal_index,
}
.into_element()
})
.unwrap_or_else(|| "Failed to create terminal".into_element()),
)
} else {
ResizablePanel::new(50.)
.key(&terminal_index)
.order(terminal_index)
.min_size(5.)
.child("No terminal")
}
}
impl Component for TerminalGrid {
fn render(&self) -> impl IntoElement {
let instance_id = self.instance_id;
let mut radio = use_radio::<AppState, AppChannel>(AppChannel::Instance(instance_id));
let focused_terminal_id = radio
.read()
.instances
.iter()
.find(|i| i.id == instance_id)
.and_then(|i| i.focused_terminal_id);
rect()
.expanded()
.on_key_down(move |e: Event<KeyboardEventData>| {
if e.modifiers.contains(Modifiers::ALT) {
match &e.key {
Key::Named(NamedKey::ArrowRight) => {
radio.write().focus_terminal_right(instance_id);
}
Key::Named(NamedKey::ArrowLeft) => {
radio.write().focus_terminal_left(instance_id);
}
Key::Named(NamedKey::ArrowDown) => {
radio.write().focus_terminal_down(instance_id);
}
Key::Named(NamedKey::ArrowUp) => {
radio.write().focus_terminal_up(instance_id);
}
_ => {}
}
}
})
.child(
ResizableContainer::new()
.direction(Direction::Horizontal)
.panel(
ResizablePanel::new(50.)
.key(&"left")
.order(0usize)
.min_size(5.)
.child(
ResizableContainer::new()
.direction(Direction::Vertical)
.panel(create_grid_terminal_panel(
&self.terminals,
0,
self.on_terminal_reopen.clone(),
focused_terminal_id,
instance_id,
))
.panel(create_grid_terminal_panel(
&self.terminals,
2,
self.on_terminal_reopen.clone(),
focused_terminal_id,
instance_id,
))
.into_element(),
),
)
.panel(
ResizablePanel::new(50.)
.key(&"right")
.order(1usize)
.min_size(5.)
.child(
ResizableContainer::new()
.direction(Direction::Vertical)
.panel(create_grid_terminal_panel(
&self.terminals,
1,
self.on_terminal_reopen.clone(),
focused_terminal_id,
instance_id,
))
.panel(create_grid_terminal_panel(
&self.terminals,
3,
self.on_terminal_reopen.clone(),
focused_terminal_id,
instance_id,
))
.into_element(),
),
),
)
}
}