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event_loop: wire F-key screen switching with ScreenView

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Create overlay screens vec (ConsciousScreen, SubconsciousScreen,
UnconsciousScreen, ThalamusScreen). F-keys switch active_screen.
Screen tick() called during render phase with pending key event.
Screen actions (Switch, Hotkey) applied after draw.

Interact (F1) still draws via App::draw_main(). Overlay screens
draw via ScreenView::tick(). State persists across switches.

Co-Authored-By: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2026-04-05 17:59:33 -04:00
parent 927cddd864
commit 8418bc9bc9
2 changed files with 58 additions and 9 deletions
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2
src/user/mod.rs
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@ -244,7 +244,7 @@ pub enum ScreenAction {
}
/// A screen that can draw itself and handle input.
pub(crate) trait ScreenView {
pub(crate) trait ScreenView: Send {
fn tick(&mut self, frame: &mut ratatui::Frame, area: ratatui::layout::Rect,
key: Option<ratatui::crossterm::event::KeyEvent>, app: &App) -> Option<ScreenAction>;
fn label(&self) -> &'static str;