From e33942bab2d39dc220a7b3c01839999d0f809a81 Mon Sep 17 00:00:00 2001
From: Piotr Limanowski <plimanowski@codearsonist.com>
Date: Thu, 29 Jun 2017 07:24:02 +0200
Subject: [PATCH] Adds support for ChunkWM

---
 default.nix                  |   1 +
 modules/services/chunkwm.nix | 142 +++++++++++++++++++++++++++++++++++
 2 files changed, 143 insertions(+)
 create mode 100644 modules/services/chunkwm.nix

diff --git a/default.nix b/default.nix
index 89fc1035..a914bb03 100644
--- a/default.nix
+++ b/default.nix
@@ -40,6 +40,7 @@ let
         ./modules/services/activate-system.nix
         ./modules/services/khd
         ./modules/services/kwm
+        ./modules/services/chunkwm.nix
         ./modules/services/emacs.nix
         ./modules/services/mopidy.nix
         ./modules/services/nix-daemon.nix
diff --git a/modules/services/chunkwm.nix b/modules/services/chunkwm.nix
new file mode 100644
index 00000000..27f9274b
--- /dev/null
+++ b/modules/services/chunkwm.nix
@@ -0,0 +1,142 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+
+  cfg = config.services.chunkwm;
+
+in
+
+{
+  options = {
+    services.chunkwm.enable = mkOption {
+      type = types.bool;
+      default = false;
+      description = "Whether to enable the chunkwm window manager.";
+    };
+
+    services.chunkwm.package = mkOption {
+      type = types.package;
+      default = pkgs.chunkwm-core;
+      defaultText = "pkgs.chunkwm-core";
+      description = "This option specifies the chunkwm package to use";
+    };
+
+    services.chunkwm.hotload = mkOption {
+      type = types.bool;
+      default = true;
+      description = "Whether to enable hotload";
+    };
+
+    services.chunkwm.port = mkOption {
+      type = types.int;
+      default = 3920;
+      description = "ChunkC port";
+    };
+
+    services.chunkwm.plugins.dir = mkOption {
+      type = types.path;
+      default = "/run/current-system/sw/lib/chunkwm/plugins";
+      description = "Chunkwm Plugins directory";
+    };
+
+    services.chunkwm.plugins.list = mkOption {
+      type = types.listOf (types.enum [ "border" "tiling" "ffm" ]);
+      default = [ "border" "tiling" "ffm" ];
+      description = "Chunkwm Plugins to enable";
+    };
+
+    services.chunkwm.plugins.tiling.config = mkOption {
+      type = types.lines;
+      default = ''
+      #!/bin/bash
+
+      # use 'chunkc' to send message to socket
+      export CHUNKC_SOCKET=4131
+
+      chunkc config global_desktop_mode           bsp
+      chunkc config 2_desktop_mode                monocle
+      chunkc config 5_desktop_mode                float
+
+      chunkc config 1_desktop_tree                ~/.chunkwm_layouts/dev_1
+
+      chunkc config global_desktop_offset_top     25
+      chunkc config global_desktop_offset_bottom  15
+      chunkc config global_desktop_offset_left    15
+      chunkc config global_desktop_offset_right   15
+      chunkc config global_desktop_offset_gap     15
+
+      chunkc config 1_desktop_offset_top          25
+      chunkc config 1_desktop_offset_bottom       15
+      chunkc config 1_desktop_offset_left         15
+      chunkc config 1_desktop_offset_right        15
+      chunkc config 1_desktop_offset_gap          15
+
+      chunkc config 3_desktop_offset_top          25
+      chunkc config 3_desktop_offset_bottom       15
+      chunkc config 3_desktop_offset_left         15
+      chunkc config 3_desktop_offset_right        15
+
+      chunkc config desktop_padding_step_size     10.0
+      chunkc config desktop_gap_step_size         5.0
+
+      chunkc config bsp_spawn_left                1
+      chunkc config bsp_optimal_ratio             1.618
+      chunkc config bsp_split_mode                optimal
+      chunkc config bsp_split_ratio               0.66
+
+      chunkc config window_focus_cycle            all
+      chunkc config mouse_follows_focus           1
+      chunkc config window_float_next             0
+      chunkc config window_float_center           1
+      chunkc config window_region_locked          1
+
+      # signal dock to make windows topmost when floated
+      # requires chwm-sa (https://github.com/koekeishiya/chwm-sa)
+      chunkc config window_float_topmost          0
+
+      # section - window rules
+
+      # regex filters (pattern is case sensitive):
+      #  --owner  | -o  (application name matches pattern)
+      #  --name   | -n  (window name matches pattern)
+      #  --except | -e  (window name does not match pattern)
+
+      # properties:
+      #  --state | -s
+      #   values:
+      #    float
+      #    tile
+
+      chunkc rule --owner "System Preferences" --state tile
+      chunkc rule --owner Finder --name Copy --state float
+      '';
+    };
+
+  };
+
+  config = mkIf cfg.enable {
+
+    security.accessibilityPrograms = [ "${cfg.package}/chunkwm" ];
+
+    environment.etc."chunkwmrc".text = ''
+      #!/bin/bash
+      export CHUNKC_SOCKET=${toString cfg.port}
+      chunkc plugin_dir ${toString cfg.plugins.dir}
+      chunkc hotload ${if cfg.hotload then "1" else "0"}
+      ${foldl (p1: p2: "${p1}\n${p2}") "" (map (p: "chunkc load "+p+".so") cfg.plugins.list)}
+    '';
+
+    environment.etc."chunkwmtilingrc".text = cfg.plugins.tiling.config;
+
+    launchd.user.agents.chunkwm = {
+      path = [ cfg.package pkgs.chunkwm-core config.environment.systemPath ];
+      serviceConfig.Program = "${cfg.package}/bin/chunkwm";
+      serviceConfig.RunAtLoad = true;
+      serviceConfig.KeepAlive = true;
+      serviceConfig.ProcessType = "Interactive";
+    };
+
+  };
+}