feat: configure Hyprlock and locking before suspend

hypr/hypridle.conf

@@ -0,0 +1,4 @@
+general {
+    lock_cmd = pgrep -x hyprlock >/dev/null || hyprlock
+    before_sleep_cmd = loginctl lock-session
+}

hypr/hyprland.lua

@@ -272,6 +272,7 @@ end
 -- Example binds, see https://wiki.hypr.land/Configuring/Basics/Binds/ for more
 hl.bind(mainMod .. " + T", hl.dsp.exec_cmd(terminal))
 hl.bind(mainMod .. " + R", hl.dsp.exec_cmd(appsmenu))
+hl.bind(mainMod .. " + L", hl.dsp.exec_cmd("pgrep -x hyprlock >/dev/null || hyprlock"))
 hl.bind(mainMod .. " + SHIFT + S", hl.dsp.exec_cmd("hyprshot -m region --clipboard-only"))
 local closeWindowBind = hl.bind(mainMod .. " + C", hl.dsp.window.close())
 -- closeWindowBind:set_enabled(false)

hypr/hyprlock.conf

@@ -0,0 +1,365 @@
+# Two-column lock screen. Positions are relative to the centre of each monitor.
+$font = ProFontWindows Nerd Font Mono
+$cream = rgb(eee8dd)
+$muted = rgb(bcb5ab)
+$red = rgb(bc3b3b)
+$dark = rgb(1c1717)
+
+general {
+    hide_cursor = true
+    ignore_empty_input = true
+}
+
+background {
+    monitor =
+    path = ~/Git/Custom-environment/wallpapers/night_city.jpg
+    color = rgb(223638)
+    blur_passes = 4
+    blur_size = 10
+    brightness = 0.7
+    noise = 0.02
+}
+
+# Login card.
+shape {
+    monitor =
+    size = 360, 380
+    color = rgba(28, 40, 39, 0.6)
+    rounding = 25
+    position = -200, 160
+    halign = center
+    valign = center
+    zindex = 0
+}
+
+label {
+    monitor =
+    text = NixOS
+    color = $muted
+    font_size = 20
+    font_family = $font
+    position = -200, 300
+    halign = center
+    valign = center
+    zindex = 2
+}
+
+label {
+    monitor =
+    text = Log in
+    color = $cream
+    font_size = 56
+    font_family = $font
+    position = -200, 235
+    halign = center
+    valign = center
+    zindex = 2
+}
+
+shape {
+    monitor =
+    size = 320, 70
+    color = $red
+    rounding = 20
+    position = -200, 130
+    halign = center
+    valign = center
+    zindex = 1
+}
+
+label {
+    monitor =
+    text = Username
+    color = $dark
+    font_size = 14
+    font_family = $font
+    position = -295, 150
+    halign = center
+    valign = center
+    zindex = 2
+}
+
+label {
+    monitor =
+    text = $USER
+    color = $dark
+    font_size = 28
+    font_family = $font
+    position = -200, 117
+    halign = center
+    valign = center
+    zindex = 2
+}
+
+input-field {
+    monitor =
+    size = 320, 70
+    outline_thickness = 0
+    inner_color = $red
+    font_color = $dark
+    font_family = $font
+    placeholder_text = Password
+    fail_text = <i>$FAIL</i>
+    fail_color = rgb(e15b64)
+    check_color = rgb(cda67d)
+    capslock_color = rgb(cda67d)
+    rounding = 20
+    fade_on_empty = false
+    position = -200, 40
+    halign = center
+    valign = center
+    zindex = 2
+}
+
+# Clock card.
+shape {
+    monitor =
+    size = 360, 160
+    color = rgba(28, 40, 39, 0.6)
+    rounding = 25
+    position = -200, -140
+    halign = center
+    valign = center
+    zindex = 0
+}
+
+label {
+    monitor =
+    text = $TIME
+    color = $cream
+    font_size = 96
+    font_family = $font
+    position = -200, -120
+    halign = center
+    valign = center
+    zindex = 2
+}
+
+label {
+    monitor =
+    text = cmd[update:60000] sh ~/.config/hypr/scripts/lock-status.sh uptime
+    color = $muted
+    font_size = 18
+    font_family = $font
+    position = -200, -195
+    halign = center
+    valign = center
+    zindex = 2
+}
+
+# Profile and date card.
+shape {
+    monitor =
+    size = 360, 650
+    color = rgba(28, 40, 39, 0.6)
+    rounding = 25
+    position = 200, 25
+    halign = center
+    valign = center
+    zindex = 0
+}
+
+image {
+    monitor =
+    path = ~/Git/Custom-environment/wallpapers/kotost.png
+    size = 124
+    rounding = 24
+    border_size = 4
+    border_color = $red
+    position = 200, 260
+    halign = center
+    valign = center
+    zindex = 2
+}
+
+label {
+    monitor =
+    text = cmd[update:60000] sh ~/.config/hypr/scripts/lock-status.sh weekday
+    color = $cream
+    font_size = 56
+    font_family = $font
+    position = 200, 150
+    halign = center
+    valign = center
+    zindex = 2
+}
+
+label {
+    monitor =
+    text = cmd[update:60000] sh ~/.config/hypr/scripts/lock-status.sh date
+    color = $muted
+    font_size = 20
+    font_family = $font
+    position = 200, 100
+    halign = center
+    valign = center
+    zindex = 2
+}
+
+# Media and device card.
+shape {
+    monitor =
+    size = 360, 320
+    color = rgba(28, 23, 23, 0.94)
+    rounding = 25
+    shadow_passes = 3
+    shadow_size = 8
+    shadow_color = rgba(0, 0, 0, 0.5)
+    position = 200, -140
+    halign = center
+    valign = center
+    zindex = 1
+}
+
+label {
+    monitor =
+    text = 󰎆
+    color = $cream
+    font_size = 24
+    font_family = $font
+    position = 200, -10
+    halign = center
+    valign = center
+    zindex = 3
+}
+
+label {
+    monitor =
+    text = cmd[update:5000] sh ~/.config/hypr/scripts/lock-status.sh music-title
+    color = $cream
+    font_size = 20
+    font_family = $font
+    position = 200, -40
+    halign = center
+    valign = center
+    zindex = 3
+}
+
+label {
+    monitor =
+    text = cmd[update:5000] sh ~/.config/hypr/scripts/lock-status.sh music-artist
+    color = $muted
+    font_size = 16
+    font_family = $font
+    position = 200, -65
+    halign = center
+    valign = center
+    zindex = 3
+}
+
+shape {
+    monitor =
+    size = 150, 75
+    color = rgb(cda67d)
+    rounding = 20
+    position = 115, -130
+    halign = center
+    valign = center
+    zindex = 2
+}
+
+shape {
+    monitor =
+    size = 150, 75
+    color = rgb(cda67d)
+    rounding = 20
+    position = 285, -130
+    halign = center
+    valign = center
+    zindex = 2
+}
+
+label {
+    monitor =
+    text = 󰖩
+    color = $dark
+    font_size = 26
+    font_family = $font
+    position = 115, -118
+    halign = center
+    valign = center
+    zindex = 3
+}
+
+label {
+    monitor =
+    text = cmd[update:10000] sh ~/.config/hypr/scripts/lock-status.sh network
+    color = $dark
+    font_size = 12
+    font_family = $font
+    position = 115, -150
+    halign = center
+    valign = center
+    zindex = 3
+}
+
+label {
+    monitor =
+    text = 󰂯
+    color = $dark
+    font_size = 26
+    font_family = $font
+    position = 285, -118
+    halign = center
+    valign = center
+    zindex = 3
+}
+
+label {
+    monitor =
+    text = cmd[update:10000] sh ~/.config/hypr/scripts/lock-status.sh bluetooth
+    color = $dark
+    font_size = 12
+    font_family = $font
+    position = 285, -150
+    halign = center
+    valign = center
+    zindex = 3
+}
+
+shape {
+    monitor =
+    size = 320, 100
+    color = $red
+    rounding = 25
+    position = 200, -235
+    halign = center
+    valign = center
+    zindex = 2
+}
+
+label {
+    monitor =
+    text = 󰂄
+    color = $dark
+    font_size = 24
+    font_family = $font
+    position = 200, -203
+    halign = center
+    valign = center
+    zindex = 3
+}
+
+label {
+    monitor =
+    text = cmd[update:10000] sh ~/.config/hypr/scripts/lock-status.sh power-value
+    color = $dark
+    font_size = 34
+    font_family = $font
+    position = 200, -235
+    halign = center
+    valign = center
+    zindex = 3
+}
+
+label {
+    monitor =
+    text = cmd[update:10000] sh ~/.config/hypr/scripts/lock-status.sh power-status
+    color = $dark
+    font_size = 14
+    font_family = $font
+    position = 200, -267
+    halign = center
+    valign = center
+    zindex = 3
+}

hypr/scripts/lock-status.sh

@@ -0,0 +1,69 @@
+#!/bin/sh
+
+# Hyprlock labels accept Pango markup. Escape text coming from applications.
+escape_text() {
+    cut -c "1-${1:-26}" | sed -e 's/&/\&amp;/g' -e 's/</\&lt;/g' -e 's/>/\&gt;/g'
+}
+
+battery() {
+    for supply in /sys/class/power_supply/*; do
+        if [ -r "$supply/type" ] && [ "$(cat "$supply/type")" = Battery ]; then
+            printf '%s\n' "$supply"
+            return
+        fi
+    done
+}
+
+case "${1:-}" in
+    uptime)
+        awk '{ minutes = int($1 / 60); printf "󰥔 UPTIME %dH%02dM\n", int(minutes / 60), minutes % 60 }' /proc/uptime
+        ;;
+    weekday) LC_TIME=C date +%a | tr '[:lower:]' '[:upper:]' ;;
+    date) LC_TIME=C date '+%d %B, %Y' ;;
+    music-title|music-artist)
+        field=title
+        fallback='Nothing playing'
+        if [ "$1" = music-artist ]; then
+            field=artist
+            fallback='Media player'
+        fi
+        value=''
+        if command -v playerctl >/dev/null 2>&1; then
+            value=$(playerctl metadata --format "{{$field}}" 2>/dev/null) || value=''
+        fi
+        printf '%s\n' "${value:-$fallback}" | escape_text
+        ;;
+    network)
+        value=''
+        if command -v nmcli >/dev/null 2>&1; then
+            value=$(nmcli -t -f TYPE,NAME connection show --active 2>/dev/null |
+                awk -F: '$1 == "802-11-wireless" || $1 == "802-3-ethernet" { sub(/^[^:]*:/, ""); print; exit }')
+        fi
+        printf '%s\n' "${value:-Offline}" | escape_text 18
+        ;;
+    bluetooth)
+        value=''
+        if command -v bluetoothctl >/dev/null 2>&1; then
+            value=$(timeout 2 bluetoothctl devices Connected 2>/dev/null |
+                sed -n '1s/^Device [^ ]* //p')
+        fi
+        printf '%s\n' "${value:-Not connected}" | escape_text 18
+        ;;
+    power-value)
+        supply=$(battery)
+        if [ -n "$supply" ] && [ -r "$supply/capacity" ]; then
+            printf '%s%%\n' "$(cat "$supply/capacity")"
+        else
+            printf '%s\n' 'AC'
+        fi
+        ;;
+    power-status)
+        supply=$(battery)
+        if [ -n "$supply" ] && [ -r "$supply/status" ]; then
+            cat "$supply/status"
+        else
+            printf '%s\n' 'Desktop power'
+        fi
+        ;;
+    *) exit 1 ;;
+esac

nixos/modules/desktop.nix

@@ -6,6 +6,8 @@
     xwayland.enable = true;
   };
 
+  programs.hyprlock.enable = true;
+
   services.displayManager.sddm = {
     enable = true;
     wayland.enable = true;

nixos/modules/packages/desktop.nix

@@ -17,6 +17,7 @@
     hyprshot
     kitty
     mako
+    playerctl
     slurp
     waybar
     wl-clipboard