135 lines
4 KiB
Nix
135 lines
4 KiB
Nix
{ lib, pkgs, ... }:
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let
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# Exact descriptions as reported by: hyprctl -j monitors | jq '.[].description'
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mainDesc = "ASUSTek COMPUTER INC ASUS PG43U 0x01010101";
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secondaryDesc = "Samsung Electric Company C34J79x HTRM900776";
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mainMonitor = "desc:${mainDesc}";
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secondaryMonitor = "desc:${secondaryDesc}";
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hyprlandExtraOptions = {
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monitor = [
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"${mainMonitor},3840x2160@97.98,0x0,1,transform,0"
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"${secondaryMonitor},3440x1440@99.98,-1440x-640,1,transform,1"
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];
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# workspace =
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# let
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# inherit (builtins) map toString;
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# inherit (lib) range;
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# mkWs = monitor: i: "${toString i},persistent:true";
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# in
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# (map (mkWs mainMonitor) (range 1 6)) ++ (map (mkWs secondaryMonitor) (range 7 10));
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};
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moveScript = pkgs.writeShellScriptBin "hyprland-move-workspaces" ''
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#!/usr/bin/env bash
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set -euo pipefail
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HYPRCTL='${pkgs.hyprland}/bin/hyprctl'
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JQ='${pkgs.jq}/bin/jq'
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SOCAT='${pkgs.socat}/bin/socat'
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MAIN_DESC='${mainDesc}'
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SEC_DESC='${secondaryDesc}'
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get_socket() {
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# socket2 carries the event stream
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echo "${"$"}{XDG_RUNTIME_DIR}/hypr/${"$"}{HYPRLAND_INSTANCE_SIGNATURE}/.socket2.sock"
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}
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wait_for_hypr() {
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# Wait until hyprctl works (Hyprland is up)
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until ''${HYPRCTL} -j monitors >/dev/null 2>&1; do
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sleep 0.5
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done
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}
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mon_name_by_desc() {
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# Resolve Hyprland "name" (e.g., DP-2) from human-friendly description
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local desc="${"$"}1"
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''${HYPRCTL} -j monitors \
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| ''${JQ} -r --arg d "${"$"}desc" '.[] | select(.description == $d) | .name' \
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| head -n1
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}
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place_workspaces() {
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local mainName secName
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mainName="$(mon_name_by_desc "${"$"}MAIN_DESC")"
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secName="$(mon_name_by_desc "${"$"}SEC_DESC" || true)"
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# Always keep 1–6 on the main monitor
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for ws in 1 2 3 4 5 6; do
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''${HYPRCTL} dispatch moveworkspacetomonitor "${"$"}ws" "${"$"}mainName" || true
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done
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if [ -n "${"$"}{secName:-}" ]; then
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# Secondary is present ➜ put 7–10 on secondary
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for ws in 7 8 9 10; do
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''${HYPRCTL} dispatch moveworkspacetomonitor "${"$"}ws" "${"$"}secName" || true
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done
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else
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# No secondary ➜ keep 7–10 on main
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for ws in 7 8 9 10; do
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''${HYPRCTL} dispatch moveworkspacetomonitor "${"$"}ws" "${"$"}mainName" || true
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done
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fi
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}
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watch_events() {
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local sock
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sock="$(get_socket)"
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# If socket2 is missing for some reason, fall back to polling
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if [ ! -S "${"$"}sock" ]; then
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while :; do
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place_workspaces
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sleep 5
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done
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return
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fi
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# Subscribe to Hyprland events and react to monitor changes
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''${SOCAT} - "UNIX-CONNECT:${"$"}sock" | while IFS= read -r line; do
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case "${"$"}line" in
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monitoradded*|monitorremoved*|activemonitor*|layoutchange*|createworkspace*)
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place_workspaces
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;;
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esac
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done
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}
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if [ "${"$"}{1:-}" = "--oneshot" ]; then
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wait_for_hypr
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place_workspaces
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else
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wait_for_hypr
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place_workspaces
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watch_events
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fi
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'';
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in
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{
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options = { };
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config = {
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environment.systemPackages = [ moveScript ];
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# Pass the options to home-manager for hyprland (as you already do)
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ringofstorms_common.desktopEnvironment.hyprland.extraOptions = hyprlandExtraOptions;
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# User-level systemd service that follows your Hyprland session and watches for monitor changes
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systemd.user.services.hyprland-move-workspaces = {
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description = "Keep workspaces 1–6 on main and 7–10 on secondary; react to monitor changes";
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wants = [ "graphical-session.target" ];
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after = [ "graphical-session.target" ];
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partOf = [ "graphical-session.target" ];
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serviceConfig = {
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Type = "simple";
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ExecStart = "${moveScript}/bin/hyprland-move-workspaces";
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Restart = "always";
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RestartSec = "2s";
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};
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};
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};
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}
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