From cd6d62efc5580243f63042aaef1af8e4ae4b90f2 Mon Sep 17 00:00:00 2001
From: matt1432 <matt@nelim.org>
Date: Sat, 25 Nov 2023 19:24:33 -0500
Subject: [PATCH] feat(greetd): add option to only show on main monitor

---
 common/device-vars.nix       | 16 ++++++++++++++++
 devices/binto/default.nix    |  2 ++
 modules/greetd/default.nix   | 37 ++++++++++++++++++++++++++----------
 modules/greetd/hyprland.conf | 10 ++++++++++
 4 files changed, 55 insertions(+), 10 deletions(-)

diff --git a/common/device-vars.nix b/common/device-vars.nix
index 5f171c9..5a20d69 100644
--- a/common/device-vars.nix
+++ b/common/device-vars.nix
@@ -14,6 +14,22 @@
       type = types.nullOr types.str;
     };
 
+    mainMonitor = mkOption {
+      description = ''
+        The name of the main monitor used for Hyprland and Regreet
+      '';
+      default = "null";
+      type = types.nullOr types.str;
+    };
+
+    greetdDupe = mkOption {
+      description = ''
+        If we should duplicate regreet on all monitors
+      '';
+      default = true;
+      type = types.nullOr types.bool;
+    };
+
     fontSize = mkOption {
       type = types.nullOr types.float;
     };
diff --git a/devices/binto/default.nix b/devices/binto/default.nix
index ff7b066..ddc0b53 100644
--- a/devices/binto/default.nix
+++ b/devices/binto/default.nix
@@ -18,6 +18,8 @@
   services.device-vars = {
     username = "matt";
     configDir = "/home/matt/.nix/devices/binto/config";
+    mainMonitor = "DP-5";
+    greetdDupe = false;
     fontSize = 12.5;
   };
 
diff --git a/modules/greetd/default.nix b/modules/greetd/default.nix
index 38d8385..b183210 100644
--- a/modules/greetd/default.nix
+++ b/modules/greetd/default.nix
@@ -4,24 +4,41 @@
   config,
   ...
 }: let
+  # Nix stuff
   optionals = lib.lists.optionals;
   isNvidia = config.hardware.nvidia.modesetting.enable;
-  user = config.services.device-vars.username;
+  vars = config.services.device-vars;
 
-  hyprBin = "${config.home-manager.users.${user}
-    .wayland.windowManager.hyprland.finalPackage}/bin";
+  # Executables' paths
   regreetBin = "${lib.getExe config.programs.regreet.package}";
+  hyprBin = "${config.home-manager.users.${vars.username}
+    .wayland.windowManager.hyprland.finalPackage}/bin";
 
-  style = pkgs.writeText "style.css" ''${builtins.readFile ./style.css}'';
-
-  setupMonitors = pkgs.writeShellScriptBin "setupMonitors" ''
+  # Show Regreet on all monitors
+  dupeMonitors = pkgs.writeShellScriptBin "dupeMonitors" ''
     names=($(${hyprBin}/hyprctl -j monitors | ${pkgs.jq}/bin/jq -r '.[] .name'))
+    main="${vars.mainMonitor}"
 
-    for (( i=1; i<''${#names[@]}; i++ )); do
-        ${hyprBin}/hyprctl keyword monitor ''${names[$i]},preferred,auto,1,mirror,''${names[0]}
+    if [[ $(echo "$main") == "null" ]]; then
+        main="''${names[0]}"
+    fi
+
+    for (( i=0; i<''${#names[@]}; i++ )); do
+        if [[ ''${names[$i]} != "$main" ]]; then
+          ${hyprBin}/hyprctl keyword monitor ''${names[$i]},preferred,auto,1,mirror,"$main"
+        fi
     done
   '';
 
+  # Check if user wants Regreet only on main monitor
+  setupMonitors = if vars.mainMonitor != null && !vars.greetdDupe
+    then "${hyprBin}/hyprctl dispatch focusmonitor ${vars.mainMonitor}"
+    else "${dupeMonitors}/bin/dupeMonitors";
+
+  # Get css for regreet
+  style = pkgs.writeText "style.css" ''${builtins.readFile ./style.css}'';
+
+  # Setup Hyprland as regreet's compositor
   hyprConf =
     pkgs.writeText "greetd-hypr-config"
     (lib.strings.concatStrings ((optionals isNvidia [
@@ -32,8 +49,8 @@
         "env = WLR_NO_HARDWARE_CURSORS,1\n"
       ])
       ++ [
-        "exec-once = ${setupMonitors}/bin/setupMonitors &&"
-        "    swww init --no-cache &&"
+        "exec-once = ${setupMonitors} &&"
+        "    sleep 1; swww init --no-cache &&"
         "    swww img -t none ${pkgs.dracula-theme}/wallpapers/waves.png\n"
 
         "${builtins.readFile ./hyprland.conf}\n"
diff --git a/modules/greetd/hyprland.conf b/modules/greetd/hyprland.conf
index 2a2ee76..ae0c3cf 100644
--- a/modules/greetd/hyprland.conf
+++ b/modules/greetd/hyprland.conf
@@ -13,6 +13,16 @@ input {
     sensitivity = 0 # -1.0 - 1.0, 0 means no modification.
 }
 
+device:razer-razer-naga-pro {
+    sensitivity = -0.5
+    accel_profile = "flat"
+}
+
+device:razer-razer-naga-pro-1 {
+    sensitivity = -0.5
+    accel_profile = "flat"
+}
+
 env = XCURSOR_SIZE,24
 exec-once=hyprctl setcursor Dracula-cursors 24