kimun-notes 0.11.2

A terminal-based notes application
Documentation 
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/// Read-only view of the input surface (editor or search box) for the
/// autocomplete controller. All offsets are **byte offsets** into
/// `buffer_text()`.
///
/// The trait is intentionally read-only: the controller computes what to
/// insert and returns an `AcceptAction` (see `controller`), and the host
/// applies it. That split keeps borrow-checker contention out of the way
/// when the controller is held as a field of the host itself.
pub trait AutocompleteHost {
    /// The full buffer text. Allocates on each call; the controller calls
    /// this at most once per keystroke.
    fn buffer_text(&self) -> String;

    /// Cursor position as a byte offset into `buffer_text()`.
    fn cursor_byte_offset(&self) -> usize;

    /// Screen position adjacent to the trigger byte (the byte right after
    /// `[[` or `#`). Returned as `(col, row)` cells. `None` when the byte
    /// is currently off-screen; the controller hides the popup in that
    /// case.
    fn screen_anchor_for(&self, byte_offset: usize) -> Option<(u16, u16)>;
}