INNER CODE UNIT · Rust

gdk_backend_for

slothflowlabs/duckle · apps/desktop/src/lib.rs:71

fn gdk_backend_for(
    display: Option<&str>,
    wayland: Option<&str>,
    chosen: Option<&str>,
) -> Result<Option<&'static str>, String> {
    let set = |v: Option<&str>| v.is_some_and(|s| !s.is_empty());
    if set(chosen) {
        return Ok(None);
    }
    if set(wayland) {
        return Ok(Some("x11,wayland"));
    }
    if set(display) {
        return Ok(None);
    }
    Err("Duckle cannot open its window: this session has no display (neither DISPLAY nor \
         WAYLAND_DISPLAY is set), which is what a login over SSH or a server without a \
         desktop looks like. Start it from a desktop session, or run it without a window: \

View source record →