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pinwheel: Add dynamic hyprland monitor hotplug handler

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This commit is contained in:
Alexander Heldt
2026-02-07 10:08:21 +01:00
parent 2537692f24
commit 44a7bb72ef
1 changed files with 71 additions and 11 deletions
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82
hosts/pinwheel/modules/hyprland/default.nix
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@@ -7,6 +7,59 @@
}:
let
enabled = config.mod.hyprland.enable;
monitorScript = pkgs.writeShellScript "hyprland-monitor-handler" ''
INTERNAL="eDP-1"
EXTERNAL_MONITORS="HDMI-A-1 DP-3"
HYPRCTL="${pkgs.hyprland}/bin/hyprctl"
JQ="${pkgs.jq}/bin/jq"
get_active_external() {
# Return the first connected external monitor
for mon in $EXTERNAL_MONITORS; do
if $HYPRCTL monitors -j | $JQ -e ".[] | select(.name == \"$mon\")" > /dev/null 2>&1; then
echo "$mon"
return 0
fi
done
return 1
}
bind_workspaces() {
local external
if external=$(get_active_external); then
# External monitor connected: 1-5 on external, 6-10 on internal
for ws in 1 2 3 4 5; do
$HYPRCTL keyword workspace "$ws, monitor:$external, default:true"
done
for ws in 6 7 8 9 10; do
$HYPRCTL keyword workspace "$ws, monitor:$INTERNAL, default:true"
done
else
# No external monitor: all workspaces on internal
for ws in 1 2 3 4 5 6 7 8 9 10; do
$HYPRCTL keyword workspace "$ws, monitor:$INTERNAL, default:true"
done
fi
}
handle_event() {
case $1 in
monitoradded*|monitorremoved*)
sleep 0.5 # Give monitor time to initialize
bind_workspaces
;;
esac
}
# Bind workspaces on startup
bind_workspaces
${pkgs.socat}/bin/socat -U - UNIX-CONNECT:"$XDG_RUNTIME_DIR/hypr/$HYPRLAND_INSTANCE_SIGNATURE/.socket2.sock" | while read -r line; do
handle_event "$line"
done
'';
in
{
options = {
@@ -41,17 +94,7 @@ in
monitor=eDP-1, 1920x1200, auto-center-down, 1
monitor=HDMI-A-1, 2560x1440@100, auto-center-up, 1
workspace = 1, monitor:HDMI-A-1
workspace = 2, monitor:HDMI-A-1
workspace = 3, monitor:HDMI-A-1
workspace = 4, monitor:HDMI-A-1
workspace = 5, monitor:HDMI-A-1
workspace = 6, monitor:eDP-1
workspace = 7, monitor:eDP-1
workspace = 8, monitor:eDP-1
workspace = 9, monitor:eDP-1
workspace = 10, monitor:eDP-1
monitor=DP-3, 2560x1440@60, auto-center-up, 1
workspace = w[tv1], gapsout:0, gapsin:0
workspace = f[1], gapsout:0, gapsin:0
@@ -171,6 +214,23 @@ in
pkgs.wdisplays
pkgs.bc
];
systemd.user.services.hyprland-monitors = {
Unit = {
Description = "Hyprland monitor hotplug handler";
PartOf = [ "graphical-session.target" ];
After = [ "graphical-session.target" ];
};
Service = {
Type = "simple";
ExecStart = "${monitorScript}";
Restart = "on-failure";
RestartSec = 5;
};
Install = {
WantedBy = [ "graphical-session.target" ];
};
};
};
# To start electron apps like `chromium` with wayland support