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|
use crate::cursor::CursorMove;
use self::{bar::EditorBarState, buffer::Buffer, cursorshape::CursorShape};
use super::{window::Window, GlobalState, DUMMY_STATE};
use mlua::{Lua, UserData};
use crate::lua::iobuffer;
pub mod bar;
pub mod buffer;
pub mod cursorshape;
#[derive(Default, Debug)]
pub struct EditorState {
pub visible: bool,
pub buffer: Buffer,
pub bar: EditorBarState,
pub cursor_shape: CursorShape,
}
macro_rules! cfg {
() => {
GlobalState::get().editor
};
}
impl EditorState {
pub const fn new() -> Self {
Self {
visible: false,
buffer: Buffer::new(),
bar: EditorBarState::new(),
cursor_shape: CursorShape::Bar,
}
}
pub fn run(lua: &Lua) {
let script = { cfg!().buffer.as_string() };
if let Err(error) = lua.load(script).exec() {
iobuffer::iobuffer().write().unwrap().error(error);
}
}
}
impl UserData for EditorState {
fn add_fields<'lua, F: mlua::prelude::LuaUserDataFields<'lua, Self>>(fields: &mut F) {
fields.add_field_function_get("visible", |_, _| Ok(cfg!().visible));
fields.add_field_function_set("visible", |_, _, visible: bool| {
cfg!().visible = visible;
if let Window::Editor = GlobalState::get().active_window {
if !visible {
GlobalState::get().set_focus(Window::View);
}
}
Ok(())
});
fields.add_field_function_get("content", |_, _| Ok(cfg!().buffer.as_string()));
fields.add_field_function_set("content", |_, _, content: String| {
cfg!().buffer.set_lines_from_string(content);
Ok(())
});
fields.add_field_function_get("cursor_shape", |_, _| Ok(cfg!().cursor_shape));
fields.add_field_function_set("cursor_shape", |_, _, shape: CursorShape| {
cfg!().cursor_shape = shape;
Ok(())
});
fields.add_field_function_get("lines", |lua, _| {
let table = lua.create_table()?;
for (i, line) in cfg!().buffer.lines().iter().enumerate() {
table.set::<usize, &str>(i + 1, line.as_ref())?
}
Ok(table)
});
fields.add_field_function_set("lines", |_, _, content: String| {
cfg!().buffer.set_lines_from_string(content);
Ok(())
});
fields.add_field_function_get("bar", |_, _| Ok(DUMMY_STATE.editor.bar));
}
fn add_methods<'lua, M: mlua::prelude::LuaUserDataMethods<'lua, Self>>(methods: &mut M) {
methods.add_function("run", |lua, _: ()| {
EditorState::run(lua);
Ok(())
});
methods.add_function("move_cursor", |_, m: CursorMove| {
cfg!().buffer.move_cursor(m);
Ok(())
})
}
}
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