niri/cfg/window-rules.kdl


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prefer-no-csd		// Refuse any client side decoration

window-rule {
    // This app-id regular expression will work for both:
    // - host Firefox (app-id is "firefox")
    // - Flatpak Firefox (app-id is "org.mozilla.firefox")
    match app-id=r#"firefox$"# title="^Picture-in-Picture$"
    match app-id=r#"zen$"# title="^Picture-in-Picture$"
    open-floating true
	// Anchor to the top edge of the screen.
    default-floating-position x=20 y=20 relative-to="bottom-right"
    // Half of the screen high.
    default-window-height { proportion 0.5; }
    // 80% of the screen wide.
    default-column-width { proportion 0.4; }
}

// To exclude windows from screen capture
/-window-rule {
    match app-id=r#"^org\.keepassxc\.KeePassXC$"#
    match app-id=r#"^org\.gnome\.World\.Secrets$"#

    block-out-from "screen-capture"

    // Use this instead if you want them visible on third-party screenshot tools.
    // block-out-from "screencast"
}

// Rounded cornors for all windows
window-rule {
    geometry-corner-radius 12
    clip-to-geometry true
}

// Noctalia shell is not able to set wallpaper if this is not false
layer-rule {
	match namespace="^noctalia-wallpaper*"
	place-within-backdrop false
}