From 8f7cf4252cd26266296a6bff299b3e4ae7709c37 Mon Sep 17 00:00:00 2001
From: Frantisek Bohacek <rutherther@proton.me>
Date: Sun, 24 Sep 2023 19:58:37 +0200
Subject: [PATCH] feat: add sequence detector for headphones

feat: use sequence detector
---
 modules/desktop/qtile/config/config.py        | 12 ++++----
 .../config/sequence-detector.config.json      | 18 ++++++++++++
 modules/desktop/qtile/default.nix             |  1 -
 modules/desktop/qtile/home.nix                | 29 +++++++++++++++++--
 4 files changed, 51 insertions(+), 9 deletions(-)
 create mode 100644 modules/desktop/qtile/config/sequence-detector.config.json

diff --git a/modules/desktop/qtile/config/config.py b/modules/desktop/qtile/config/config.py
index 0d54e25..7d224b1 100644
--- a/modules/desktop/qtile/config/config.py
+++ b/modules/desktop/qtile/config/config.py
@@ -17,7 +17,7 @@ from tasklist import TaskList
 from mpris2widget import Mpris2
 from bluetooth import Bluetooth
 import xmonadcustom
-from nixenvironment import setupLocation, configLocation
+from nixenvironment import setupLocation, configLocation, sequenceDetectorExec
 
 colors = {
     'primary': '51afef',
@@ -409,11 +409,11 @@ keys.extend([
 
 # media keys
 keys.extend([
-    EzKey('<XF86AudioPlay>', lazy.spawn('playerctl play')),
-    EzKey('<XF86AudioPause>', lazy.spawn('playerctl pause')),
-    EzKey('<XF86AudioStop>', lazy.spawn('playerctl stop')),
-    EzKey('<XF86AudioNext>', lazy.spawn('playerctl next')),
-    EzKey('<XF86AudioPrev>', lazy.spawn('playerctl previous')),
+    EzKey('<XF86AudioPlay>', lazy.spawn(f'{sequenceDetectorExec} -g mpris play')),
+    EzKey('<XF86AudioPause>', lazy.spawn(f'{sequenceDetectorExec} -g mpris pause')),
+    EzKey('<XF86AudioStop>', lazy.spawn(f'{sequenceDetectorExec} -g mpris stop')),
+    EzKey('<XF86AudioNext>', lazy.spawn(f'{sequenceDetectorExec} -g mpris next')),
+    EzKey('<XF86AudioPrev>', lazy.spawn(f'{sequenceDetectorExec} -g mpris prev')),
     EzKey('<XF86AudioMute>', lazy.spawn('amixer -D pulse set Master 1+ toggle')),
     EzKey('<XF86MonBrightnessUp>', lazy.spawn('xbacklight -inc 5')),
     EzKey('<XF86MonBrightnessDown>', lazy.spawn('xbacklight -dec 5')),
diff --git a/modules/desktop/qtile/config/sequence-detector.config.json b/modules/desktop/qtile/config/sequence-detector.config.json
new file mode 100644
index 0000000..ba126d6
--- /dev/null
+++ b/modules/desktop/qtile/config/sequence-detector.config.json
@@ -0,0 +1,18 @@
+{
+    "debounce_time": 500,
+    "groups": [
+        {
+            "group_id": "mpris",
+            "sequences": [
+                { "keys": ["next"], "action": "playerctl next" },
+                { "keys": ["prev"], "action": "playerctl previous" },
+                { "keys": ["play"], "action": "playerctl play" },
+                { "keys": ["pause"], "action": "playerctl pause" },
+                { "keys": ["volup"], "action": "amixer set Master 10%+ unmute" },
+                { "keys": ["voldown"], "action": "amixer set Master 10%- unmute" },
+                { "keys": ["next", "next"], "action": "playerctl --player=firefox play-pause" },
+                { "keys": ["next", "prev"], "action": "playerctl --player=spotify play-pause" }
+            ]
+        }
+    ]
+}
diff --git a/modules/desktop/qtile/default.nix b/modules/desktop/qtile/default.nix
index 494189c..f761db8 100644
--- a/modules/desktop/qtile/default.nix
+++ b/modules/desktop/qtile/default.nix
@@ -4,7 +4,6 @@
   imports = [(import ./python-overlay.nix)];
 
   environment.systemPackages = with pkgs; [
-    playerctl
     xkblayout-state
   ];
 
diff --git a/modules/desktop/qtile/home.nix b/modules/desktop/qtile/home.nix
index 981afc3..da62a00 100644
--- a/modules/desktop/qtile/home.nix
+++ b/modules/desktop/qtile/home.nix
@@ -1,12 +1,34 @@
-{ config, lib, pkgs, location, ... }:
+{ config, lib, pkgs, user, location, ... }:
 
-{
+let
+  sequence-detector-src = pkgs.fetchFromGitHub {
+    owner = "Rutherther";
+    repo = "sequence-detector";
+    rev = "f9052a0232d8d4377446cb7aa813382977ed25a3";
+    hash = "sha256-YJ7U/G9EOGaf25zqTAMMGK0A6dY0wmtcpesp3d2uzTk=";
+  };
+
+  sequence-detector-pkg = pkgs.rustPlatform.buildRustPackage {
+    pname = "sequence-detector";
+    version = "0.1";
+    src = sequence-detector-src;
+    cargoHash = "sha256-7S8TXqtKWR4utBeUe9Q7RrmHgJg5lqkLdmo9b+MTRGg=";
+    hash = "sha256-7S8TXqtKWR4utBeUe9Q7RrmHgJg5lqkLdmo9b+MTRGg=";
+  };
+in {
   # services.udev.extraRules =
   #     ''ACTION=="change", SUBSYSTEM=="drm", RUN+="${pkgs.autorandr}/bin/autorandr -c"'';
   services.autorandr = {
     enable = true;
   };
 
+  home.packages = with pkgs; [
+    playerctl
+    sequence-detector-pkg
+  ];
+
+  services.playerctld.enable = true;
+
   programs.autorandr = {
     enable = true;
     hooks = {
@@ -79,6 +101,7 @@
   xdg.configFile."qtile/mpris2widget.py".source = ./config/mpris2widget.py;
   xdg.configFile."qtile/tasklist.py".source = ./config/tasklist.py;
   xdg.configFile."qtile/xmonadcustom.py".source = ./config/xmonadcustom.py;
+  xdg.configFile."qtile/sequence-detector.config.json".source = ./config/sequence-detector.config.json;
 
   xdg.configFile."qtile/nixenvironment.py".text = ''
 from string import Template
@@ -89,5 +112,7 @@ configLocationRef = Template("${location}/modules/desktop/qtile/config")
 
 setupLocation = setupLocationRef.substitute(os.environ)
 configLocation = configLocationRef.substitute(os.environ)
+
+sequenceDetectorExec = "sequence_detector -c /home/${user}/.config/qtile/sequence-detector.config.json "
   '';
 }
-- 
2.48.1