/// one of the types of state that you could
/// find in a panel today
#[derive(Debug, Clone, Copy, PartialEq)]
pub enum PanelStateType {
/// The standard browsing tree
Tree,
/// the filesystem
Fs,
/// The help "screen"
Help,
/// The preview panel, never alone on screen
Preview,
/// The stage panel, never alone on screen
Stage,
}