From 0eb86647b3309a2e0eaab190568d59af422650c2 Mon Sep 17 00:00:00 2001
From: Nikolay Amiantov <ab@fmap.me>
Date: Fri, 31 Oct 2014 12:38:58 +0300
Subject: [PATCH 1/2] synaptics: add types to options

---
 nixos/modules/services/x11/hardware/synaptics.nix | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/nixos/modules/services/x11/hardware/synaptics.nix b/nixos/modules/services/x11/hardware/synaptics.nix
index f5b394b6d98b..c1b96d077002 100644
--- a/nixos/modules/services/x11/hardware/synaptics.nix
+++ b/nixos/modules/services/x11/hardware/synaptics.nix
@@ -25,12 +25,14 @@ in {
     services.xserver.synaptics = {
 
       enable = mkOption {
+        type = types.bool;
         default = false;
         example = true;
         description = "Whether to enable touchpad support.";
       };
 
       dev = mkOption {
+        type = types.nullOr types.str;
         default = null;
         example = "/dev/input/event0";
         description =
@@ -59,22 +61,26 @@ in {
       };
 
       twoFingerScroll = mkOption {
+        type = types.bool;
         default = false;
         description = "Whether to enable two-finger drag-scrolling.";
       };
 
       vertEdgeScroll = mkOption {
+        type = types.bool;
         default = ! cfg.twoFingerScroll;
         description = "Whether to enable vertical edge drag-scrolling.";
       };
 
       tapButtons = mkOption {
+        type = types.bool;
         default = true;
         example = false;
         description = "Whether to enable tap buttons.";
       };
 
       buttonsMap = mkOption {
+        type = types.listOf types.int;
         default = [1 2 3];
         example = [1 3 2];
         description = "Remap touchpad buttons.";
@@ -82,18 +88,21 @@ in {
       };
 
       palmDetect = mkOption {
+        type = types.bool;
         default = false;
         example = true;
         description = "Whether to enable palm detection (hardware support required)";
       };
 
       horizontalScroll = mkOption {
+        type = types.bool;
         default = true;
         example = false;
         description = "Whether to enable horizontal scrolling (on touchpad)";
       };
 
       additionalOptions = mkOption {
+        type = types.str;
         default = "";
         example = ''
           Option "RTCornerButton" "2"

From 118096fc0bca95130b85baf0e939791b0200aa34 Mon Sep 17 00:00:00 2001
From: Nikolay Amiantov <ab@fmap.me>
Date: Fri, 31 Oct 2014 12:45:11 +0300
Subject: [PATCH 2/2] synaptics: add fingersMap option

---
 nixos/modules/services/x11/hardware/synaptics.nix | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/nixos/modules/services/x11/hardware/synaptics.nix b/nixos/modules/services/x11/hardware/synaptics.nix
index c1b96d077002..d9e4bd817a51 100644
--- a/nixos/modules/services/x11/hardware/synaptics.nix
+++ b/nixos/modules/services/x11/hardware/synaptics.nix
@@ -87,6 +87,14 @@ in {
         apply = map toString;
       };
 
+      fingersMap = mkOption {
+        type = types.listOf types.int;
+        default = [1 2 3];
+        example = [1 3 2];
+        description = "Remap several-fingers taps.";
+        apply = map toString;
+      };
+
       palmDetect = mkOption {
         type = types.bool;
         default = false;
@@ -139,6 +147,9 @@ in {
           Option "ClickFinger1" "${builtins.elemAt cfg.buttonsMap 0}"
           Option "ClickFinger2" "${builtins.elemAt cfg.buttonsMap 1}"
           Option "ClickFinger3" "${builtins.elemAt cfg.buttonsMap 2}"
+          Option "TapButton1" "${builtins.elemAt cfg.fingersMap 0}"
+          Option "TapButton2" "${builtins.elemAt cfg.fingersMap 1}"
+          Option "TapButton3" "${builtins.elemAt cfg.fingersMap 2}"
           Option "VertTwoFingerScroll" "${if cfg.twoFingerScroll then "1" else "0"}"
           Option "HorizTwoFingerScroll" "${if cfg.twoFingerScroll then "1" else "0"}"
           Option "VertEdgeScroll" "${if cfg.vertEdgeScroll then "1" else "0"}"