From 026269906fe4efa84e7d6b54c63fc69c6abff92b Mon Sep 17 00:00:00 2001
From: bb2020 <bb2020@users.noreply.github.com>
Date: Wed, 19 Aug 2020 00:07:54 +0300
Subject: [PATCH] discrete-scroll: init at 0.1.1

---
 .../darwin/discrete-scroll/default.nix        | 35 +++++++++++++++++++
 pkgs/top-level/darwin-packages.nix            |  4 +++
 2 files changed, 39 insertions(+)
 create mode 100644 pkgs/os-specific/darwin/discrete-scroll/default.nix

diff --git a/pkgs/os-specific/darwin/discrete-scroll/default.nix b/pkgs/os-specific/darwin/discrete-scroll/default.nix
new file mode 100644
index 000000000000..e72402b77933
--- /dev/null
+++ b/pkgs/os-specific/darwin/discrete-scroll/default.nix
@@ -0,0 +1,35 @@
+{ stdenv, lib, fetchFromGitHub, Cocoa }:
+
+## after launching for the first time, grant access for parent application (e.g. Terminal.app)
+## from 'system preferences >> security & privacy >> accessibility'
+## and then launch again
+
+stdenv.mkDerivation rec {
+  pname = "discrete-scroll";
+  version = "0.1.1";
+
+  src = fetchFromGitHub {
+    owner = "emreyolcu";
+    repo = "discrete-scroll";
+    rev = "v${version}";
+    sha256 = "0aqkp4kkwjlkll91xbqwf8asjww8ylsdgqvdk8d06bwdvg2cgvhg";
+  };
+
+  buildInputs = [ Cocoa ];
+
+  buildPhase = ''
+    cc -std=c99 -O3 -Wall -framework Cocoa -o dc DiscreteScroll/main.m
+  '';
+
+  installPhase = ''
+    mkdir -p $out/bin
+    cp ./dc $out/bin/discretescroll
+  '';
+
+  meta = with lib; {
+    description = "Fix for OS X's scroll wheel problem";
+    homepage = "https://github.com/emreyolcu/discrete-scroll";
+    platforms = platforms.darwin;
+    license = licenses.mit;
+  };
+}
diff --git a/pkgs/top-level/darwin-packages.nix b/pkgs/top-level/darwin-packages.nix
index 02184a5685e6..affb4ae92c19 100644
--- a/pkgs/top-level/darwin-packages.nix
+++ b/pkgs/top-level/darwin-packages.nix
@@ -88,4 +88,8 @@ in
 
   ios-deploy = callPackage ../os-specific/darwin/ios-deploy {};
 
+  discrete-scroll = callPackage ../os-specific/darwin/discrete-scroll {
+    inherit (darwin.apple_sdk.frameworks) Cocoa;
+  };
+
 })