lsv 0.1.15

Three‑pane terminal file viewer (TUI) with preview and Lua configuration
Documentation 
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use ratatui::layout::Constraint;

pub fn pane_constraints(app: &crate::App) -> [Constraint; 3]
{
    let (mut p, mut c, mut r) = (30u16, 40u16, 30u16);
    if let Some(panes) = app.config.ui.panes.as_ref()
    {
        p = panes.parent;
        c = panes.current;
        r = panes.preview;
    }
    let total = p.saturating_add(c).saturating_add(r);
    if total == 0
    {
        return [
            Constraint::Percentage(30),
            Constraint::Percentage(40),
            Constraint::Percentage(30),
        ];
    }
    let p_norm = (p as u32 * 100 / total as u32) as u16;
    let c_norm = (c as u32 * 100 / total as u32) as u16;
    let r_norm = 100u16.saturating_sub(p_norm).saturating_sub(c_norm);
    [
        Constraint::Percentage(p_norm),
        Constraint::Percentage(c_norm),
        Constraint::Percentage(r_norm),
    ]
}