From 76ad137946ab5a6d414ee2dea9ee277e4ea8e009 Mon Sep 17 00:00:00 2001
From: Julian Mutter <julian.mutter@comumail.de>
Date: Sun, 19 Jul 2026 09:08:50 +0200
Subject: [PATCH] hyprland: make monitor config dependent on config.monitors

---
 homes/julian/features/hyprland/default.nix    | 19 ++++++++++++++++---
 homes/julian/features/hyprland/hyprland.lua   | 13 -------------
 .../hyprland/toggle-screen-mirroring.sh       | 15 +++++++--------
 3 files changed, 23 insertions(+), 24 deletions(-)

diff --git a/homes/julian/features/hyprland/default.nix b/homes/julian/features/hyprland/default.nix
index d7c735c..dbebb4f 100644
--- a/homes/julian/features/hyprland/default.nix
+++ b/homes/julian/features/hyprland/default.nix
@@ -60,9 +60,13 @@
     wf-recorder
     wl-clipboard
 
-    (pkgs.writeShellScriptBin "toggle-screen-mirroring" (
-      builtins.readFile ./toggle-screen-mirroring.sh
-    ))
+    (pkgs.writeShellScriptBin "toggle-screen-mirroring"
+      (
+        builtins.replaceStrings
+        ["@INTERNAL_MONITOR@" "@EXTERNAL_MONITOR@"]
+        [(builtins.elemAt config.monitors 0).name (builtins.elemAt config.monitors 1).name]
+        (builtins.readFile ./toggle-screen-mirroring.sh)
+      ))
 
     (pkgs.writeShellScriptBin "correct-workspace-locations" (
       lib.concatStringsSep "\n" (
@@ -108,6 +112,15 @@
       ''
       + "-- Main config from `hyprland.lua`\n"
       + builtins.readFile ./hyprland.lua
+      + "-- Monitor config\n"
+      + lib.concatStringsSep "\n" (
+        map (
+          monitor: "hl.monitor({ output = \"${monitor.name}\", mode = \"preferred\", position = \"auto\", scale = \"auto\", mirror = \"\"})"
+        )
+        config.monitors
+      )
+      + "\n-- For plugging in random monitors\n"
+      + "hl.monitor({ output = \"\", mode = \"preferred\", position = \"auto\", scale = \"auto\", mirror = \"\"})\n"
       + "-- Assign workspaces to monitors\n"
       + lib.concatStringsSep "\n" (
         builtins.concatLists (
diff --git a/homes/julian/features/hyprland/hyprland.lua b/homes/julian/features/hyprland/hyprland.lua
index 0b8cae5..d0680c0 100644
--- a/homes/julian/features/hyprland/hyprland.lua
+++ b/homes/julian/features/hyprland/hyprland.lua
@@ -1,16 +1,3 @@
-------------------
----- MONITORS ----
-------------------
-
--- See https://wiki.hypr.land/Configuring/Basics/Monitors/
-hl.monitor({
-	output = "",
-	mode = "preferred",
-	position = "auto",
-	scale = "auto",
-	mirror = "",
-})
-
 -------------------
 ---- AUTOSTART ----
 -------------------
diff --git a/homes/julian/features/hyprland/toggle-screen-mirroring.sh b/homes/julian/features/hyprland/toggle-screen-mirroring.sh
index 32ebc22..c1d9db1 100644
--- a/homes/julian/features/hyprland/toggle-screen-mirroring.sh
+++ b/homes/julian/features/hyprland/toggle-screen-mirroring.sh
@@ -2,18 +2,17 @@
 
 # A hyprland script for a laptop-external-monitor setup, toggling between which is in use
 
-# TODO: Detect these instead of hardcoding them
-INTERNAL_MONITOR="eDP-1"
-EXTERNAL_MONITOR="HDMI-A-1"
+INTERNAL_MONITOR="@INTERNAL_MONITOR@"
+EXTERNAL_MONITOR="@EXTERNAL_MONITOR@"
 
-MIRROR_SETTING=$(hyprctl monitors all -j | jq -r '.[] | select(.name == "HDMI-A-1") | .mirrorOf')
+MIRROR_SETTING=$(hyprctl monitors all -j | jq -r --arg EXTERNAL "$EXTERNAL_MONITOR" '.[] | select(.name == $EXTERNAL) | .mirrorOf')
 
 echo "current setting: "
 echo $MIRROR_SETTING
 if [ "$MIRROR_SETTING" = "none" ]; then
-    echo "mirroring..."
-    hyprctl eval "hl.monitor({output=\"$EXTERNAL_MONITOR\", mode=\"preferred\", position=\"auto\", scale=\"auto\", mirror=\"$INTERNAL_MONITOR\"})"
+	echo "mirroring..."
+	hyprctl eval "hl.monitor({output=\"$EXTERNAL_MONITOR\", mode=\"preferred\", position=\"auto\", scale=\"auto\", mirror=\"$INTERNAL_MONITOR\"})"
 else
-    # hyprctl keyword monitor "$EXTERNAL_MONITOR, disable" # shortly disable monitor so waybar recognizes the new monitor again # TODO: find better solution
-    hyprctl eval "hl.monitor({output=\"$EXTERNAL_MONITOR\", mode=\"preferred\", position=\"auto\", scale=\"auto\", mirror=\"\"})"
+	# hyprctl keyword monitor "$EXTERNAL_MONITOR, disable" # shortly disable monitor so waybar recognizes the new monitor again # TODO: find better solution
+	hyprctl eval "hl.monitor({output=\"$EXTERNAL_MONITOR\", mode=\"preferred\", position=\"auto\", scale=\"auto\", mirror=\"\"})"
 fi