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use std::sync::{RwLock, RwLockReadGuard, RwLockWriteGuard};
use mlua::{UserData, UserDataFields};
use self::log::LogState;
pub mod editor;
pub mod log;
pub mod view;
pub mod window;
pub(self) mod bar;
#[derive(Debug, Default)]
pub struct GlobalState {
pub sheetview: view::SheetViewState,
pub editor: editor::EditorState,
pub active_window: window::Window,
pub log: log::LogState,
}
static GLOBAL_STATE: RwLock<GlobalState> = RwLock::new(GlobalState::new());
const DUMMY_STATE: GlobalState = GlobalState::new();
impl GlobalState {
const fn new() -> Self {
Self {
sheetview: view::SheetViewState::new(),
editor: editor::EditorState::new(),
log: LogState::new(),
active_window: window::Window::View,
}
}
pub fn instance() -> RwLockReadGuard<'static, Self> {
GLOBAL_STATE.read().unwrap()
}
pub fn instance_mut() -> RwLockWriteGuard<'static, Self> {
GLOBAL_STATE.write().unwrap()
}
pub fn set_focus(&mut self, win: window::Window) {
self.active_window = win;
match win {
window::Window::Editor => self.editor.visible = true,
window::Window::Log => self.log.visible = true,
_ => {}
}
}
}
impl UserData for GlobalState {
fn add_fields<'lua, F: UserDataFields<'lua, Self>>(fields: &mut F) {
fields.add_field_function_get("view", |_, _| Ok(DUMMY_STATE.sheetview));
fields.add_field_function_get("editor", |_, _| Ok(DUMMY_STATE.editor));
fields.add_field_function_get("active_window", |_, _| {
Ok(GlobalState::instance().active_window)
});
fields.add_field_function_set("active_window", |_, _, win: window::Window| {
GlobalState::instance_mut().set_focus(win);
Ok(())
});
}
}
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