From 19fafe5b61aab6e19a226c55db0dbc87285d0df4 Mon Sep 17 00:00:00 2001
From: Kopatz <7265381+Kropatz@users.noreply.github.com>
Date: Sun, 24 Aug 2025 14:11:04 +0200
Subject: [PATCH] add monitor config script for presentations

---
 .config/hypr/monitor-config.js              | 74 +++++++++++++++++++++
 home-manager/hyprland/hyprland-settings.nix |  8 +++
 modules/graphical/shared.nix                |  1 +
 3 files changed, 83 insertions(+)
 create mode 100755 .config/hypr/monitor-config.js

diff --git a/.config/hypr/monitor-config.js b/.config/hypr/monitor-config.js
new file mode 100755
index 0000000..0624833
--- /dev/null
+++ b/.config/hypr/monitor-config.js
@@ -0,0 +1,74 @@
+#!/usr/bin/env node
+import { exec } from 'child_process';
+
+async function execCommand(command) {
+  console.log(`Executing command: ${command}`);
+  return new Promise((resolve, reject) => {
+
+    let child = exec(command);
+    let stdoutData = '';
+    child.stdout.on('data', (data) => {
+      stdoutData += data;
+      process.stdout.write(data.toString());
+    });
+    child.stderr.on('data', (data) => {
+      process.stderr.write(data.toString());
+    });
+    child.on('close', (code) => {
+      if (code !== 0) {
+        reject(new Error(`Command failed with exit code ${code}`));
+      } else {
+        resolve(stdoutData.trim());
+      }
+    });
+    child.on('error', (err) => {
+      reject(err);
+    });
+  });
+}
+
+/** @type(String) */
+let result = await execCommand('hyprctl monitors all');
+let monitors = {};
+let currentMonitor = null;
+
+result.split('\n').forEach(line => {
+  if (line.includes('Monitor')) {
+    let parts = line.split(' ');
+    let name = parts[1];
+    monitors[name] = { name };
+    currentMonitor = name;
+  }
+  if (line.includes('availableModes:')) {
+    line = line.trim();
+    let start = line.indexOf(":") + 2;
+    let modes = line.substring(start).split(' ');
+    monitors[currentMonitor].availableModes = modes;
+  }
+});
+console.log(monitors);
+let zenity_monitors = Object.keys(monitors).join(' \\\n');
+let selectedMonitor = await execCommand(`zenity --list --title "Choose a monitor" \
+ --column="Name" \
+ ${zenity_monitors}`);
+
+
+let zenity_modes = monitors[selectedMonitor].availableModes.join(' \\\n');
+let selectedMode = await execCommand(`zenity --list --title "Choose a mode" \
+ --column="Mode" \
+ ${zenity_modes}`);
+
+console.log(`monitor = ${selectedMonitor}, ${selectedMode}, auto, auto`);
+
+let mirror = false;
+try {
+  await execCommand(`zenity --question --text="Do you want to mirror to this display?"`);
+  mirror = true;
+} catch (e) {
+}
+if (mirror) {
+  let otherMonitor = Object.keys(monitors).filter(m => m !== selectedMonitor);
+  await execCommand(`hyprctl keyword monitor "${selectedMonitor}, ${selectedMode},auto,auto,mirror,${otherMonitor}"`);
+} else {
+  await execCommand(`hyprctl keyword monitor "${selectedMonitor}, ${selectedMode}, auto, auto"`);
+}
diff --git a/home-manager/hyprland/hyprland-settings.nix b/home-manager/hyprland/hyprland-settings.nix
index cc72b37..5a55703 100644
--- a/home-manager/hyprland/hyprland-settings.nix
+++ b/home-manager/hyprland/hyprland-settings.nix
@@ -17,6 +17,7 @@ in
   config = lib.mkIf cfg.enable {
     #programs.swaylock.enable = true;
     services.hyprpaper.enable = true;
+    home.file.".config/hypr/monitor-config.js".source = ../../.config/hypr/monitor-config.js;
     wayland.windowManager.hyprland = {
       enable = true;
       #enableNvidiaPatches = true;
@@ -299,6 +300,10 @@ in
           "$mainMod, mouse:273, resizewindow"
         ];
 
+        windowrule = [
+          "float, class:zenity"
+          "center, class:zenity"
+        ];
         windowrulev2 = [
 
           #"center, class:jetbrains-idea"
@@ -349,6 +354,8 @@ in
           dunstctl = "${pkgs.dunst}/bin/dunstctl";
           pdfgrep = "${pkgs.pdfgrep}/bin/pdfgrep --cache";
           path = "/synced/fh/os-hardening/**/slides";
+          node = "${pkgs.nodejs}/bin/node";
+          set-monitor = "~/.config/hypr/monitor-config.js";
         in
         ''
           bind = $mainMod, A, submap, notes
@@ -356,6 +363,7 @@ in
           submap = notes
           bind = $mainMod, M, exec, hyprctl keyword monitor ",preferred,auto,1,mirror,${monitor1}" && ${dunstify} "Mirroring enabled"
           bind = $mainMod, R, exec, hyprctl keyword monitor ",preferred,auto,auto" && ${dunstify} "Mirroring disabled"
+          bind = $mainMod, P, exec, ${node} ${set-monitor}
           ## below
           #bind = $mainMod, B, exec, ${wl-paste} | xargs -I {} ${pdfgrep} -B 15 -h -i "{}" ${path}/*.pdf | sed 's/[ \t]*$//' | ${wl-copy}
           ## above
diff --git a/modules/graphical/shared.nix b/modules/graphical/shared.nix
index 8720771..5f49e17 100644
--- a/modules/graphical/shared.nix
+++ b/modules/graphical/shared.nix
@@ -70,6 +70,7 @@ in {
         wl-clipboard
         xarchiver # archive tool
         adwaita-icon-theme
+        zenity
       ];
     };
 }