tvl-depot/users/tazjin/nixos/modules/hidpi.nix

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# Configuration for machines with HiDPI displays, which are a total
# mess, of course.
{ ... }:
{
# Expose a variable to all programs that might be interested in the
# screen settings to do conditional initialisation (mostly for Emacs).
environment.variables.HIDPI_SCREEN = "true";
# TODO(tazjin): this option has been removed and needs to be replaced
# by manual configuration: https://github.com/NixOS/nixpkgs/issues/222805
# Ensure a larger font size in early boot stage.
# hardware.video.hidpi.enable = true;
# Bump DPI across the board.
# TODO(tazjin): This should actually be set per monitor, but I
# haven't yet figured out the right interface for doing that.
services.xserver.dpi = 161;
}