feat: bluetooth, better keybinds for vim and direnv?

configuration.nix

@@ -47,18 +47,6 @@
     manual.manpages.enable = false;
   };
 
-  hardware = {
-    pulseaudio = {
-      enable = true;
-
-      # NixOS allows either a lightweight build (default) or full build of PulseAudio to be installed.
-      # Only the full build has Bluetooth support, so it must be selected here.
-      package = pkgs.pulseaudioFull;
-
-      # Extra codecs
-      extraModules = [ pkgs.pulseaudio-modules-bt ];
-    };
-  };
 
   system.stateVersion = "21.11";
 

dotfiles/fish/config.fish

@@ -11,5 +11,6 @@ function fish_user_key_bindings
 
   # Use jj to exit insert mode
   bind -e -M insert \e # unbinds esc
-  bind -M insert -m default jj 'commandline -f repaint'
+  bind -M insert -m default jk 'commandline -f repaint'
+  bind -M insert -m default kj 'commandline -f repaint'
 end

dotfiles/kmonad/keymap.kbd

@@ -1,10 +1,11 @@
 (defcfg
   ;; For Linux
+  ;; input  (device-file "$DEVICE") ;; gets dynamically replaced by nix
   input  (device-file "/dev/input/by-path/platform-i8042-serio-0-event-kbd") 
   output (uinput-sink "My KMonad output"
     ;; To understand the importance of the following line, see the section on
     ;; Compose-key sequences at the near-bottom of this file.
-    "/run/current-system/sw/bin/sleep 1 && /run/current-system/sw/bin/setxkbmap -option compose:ralt")
+    "/run/current-system/sw/bin/sleep 1 && /run/current-system/sw/bin/setxkbmap" -option compose:ralt")
   cmp-seq ralt    ;; Set the compose key to `RightAlt'
   cmp-seq-delay 5 ;; 5ms delay between each compose-key sequence press
 
@@ -27,9 +28,6 @@
 |#
 
 (defalias
-  mth  (layer-toggle math)
-  Mth  (layer-toggle capital-math)
-
   ga    #(ralt a h) ;; alpha
   gb    #(ralt b h) ;; beta
   gg    #(ralt g h) ;; gamma
@@ -60,14 +58,30 @@
   ex    #(ralt l e) ;; ∃ 
   lar   #(ralt < -) ;; ←
   rar   #(ralt - >) ;; →
+  and   #(ralt l c) ;; and symbol
+  or    #(ralt l d) ;; or symbol
+  eq    #(ralt e q) ;; Equivalence
 
   alp   #(ralt f \( ) ;; angled left parenthesis
   arp   #(ralt f \) ) ;; angled right parenthesis
 
   shrugFace #(ralt l s h r) ;; shrug face
   topBar #(ralt t -) ;; ¯
+)
 
+;; layers
+(defalias
+  mth  (layer-toggle math)
+  Mth  (layer-toggle capital-math)
+  mathExtra (layer-toggle math-extra)
+)
+
+;; more "special" stuff
+(defalias
   shr   #(@topBar \ \_ \_ \( @shrugFace \) \_ / @topBar) ;; ¯\_(ツ)_/¯
+
+  ml    (tap-hold-next-release 200 @gl @mathExtra)
+  mll   l
 )
 
 (defsrc
@@ -92,8 +106,17 @@
   _    _    _    _    _    _    _    _    _    _    _    _    _    _    
   _    _    _    @ex  _    _    _    _    _    @alp @arp @neg _    _    
   _    @shr @go  @ge  _    @gt  _    @gu  _    @go  @gp  _    _    _    
-  _    @ga  @gs  _    _    @gg  @gth @gps @gph @gl  _    _    _ 
+  _    @ga  @gs  _    _    @gg  @gth @gps @gph @ml  _    _    _ 
   @Mth _    @gx  _    @fal @gb  _    @gm  @lar @rar _    _   
+  _    _    _    _              @mathExtra          _    _ 
+)
+
+(deflayer math-extra
+  _    _    _    _    _    _    _    _    _    _    _    _    _    _    
+  _    _    _    _    _    _    _    _    _    _    _    _    _    _    
+  _    _    _    @eq  _    _    _    _    _    @or  _    _    _    _    
+  _    @and _    _    _    _    _    _    _    _    _    _    _ 
+  _    _    _    _    _    _    _    _    _    _    _    _   
   _    _    _    _              _              _    _ 
 )
 
@@ -106,4 +129,3 @@
   _    _    _    _              _              _    _ 
 )
 
-

dotfiles/kmonad/xcompose

@@ -38,3 +38,8 @@
 <Multi_key> <f> <parenleft>             : "⟨"   U0357           # FANCY LEFT PAREN
 <Multi_key> <f> <parenright>            : "⟩"   U0358           # FANCY RIGHT PAREN
 
+<Multi_key> <e> <q>                     : "⟷"   U0359           # LOGICAL EQUIVALENCE
+<Multi_key> <l> <c>                     : "∧"   U0360           # LOGICAL CONJUNCTION
+<Multi_key> <l> <d>                     : "∨"   U0361           # LOGICAL DISJUNCTION
+
+

dotfiles/neovim/README.md

@@ -11,7 +11,7 @@ Table of my own keybinds. Here as documentation for myself. I am yet to include
 | ---------------- | ------------------------------------------- | ------------------ |
 | vv               | Create vertical split                       |                    |
 | \<Space>\<Space> | Save                                        |                    |
-| jj               | Exit insert mode                            |                    |
+| _jk_             | Exit insert mode                            |                    |
 | _\<leader>k_     | Insert digraph                              |                    |
 | _\<leader>a_     | Swap last 2 used buffers                    |                    |
 | C-n              | Open tree                                   | nvim-tree          |

dotfiles/neovim/lua/my/keymaps.lua

@@ -21,16 +21,15 @@ function M.mapSilent(mode, lhs, rhs, opts)
 end
 
 function M.setup()
-    M.map("i", "jj", "<Esc>") -- Remap Esc to jj
-    M.map("n", "<Space><Space>", ":w<cr>") -- Double space to sace
     M.map("n", "vv", "<C-w>v") -- Create vertical split
 
     if arpeggio ~= nil then
         -- Create chords
+        arpeggio.chord("n", "jl", ":w<cr>") -- Double space to sace
+        arpeggio.chord("i", "jk", "<Esc>") -- Remap Esc to jk
         arpeggio.chord("i", "<Leader>k", "<C-k><cr>") -- Rebind digraph insertion to leader+k
         arpeggio.chord("inv", "<Leader>a", "<C-6><cr>") -- Rebind switching to the last pane using leader+a
     end
-
 end
 
 return M

dotfiles/neovim/lua/my/plugins/lh-brackets.lua

@@ -35,8 +35,8 @@ function M.setup()
     arpeggio.chord("inv", "mo", '<Plug>MarkersJumpOutside')
 
     for key, brackets in pairs(extraBrackets) do
-        for _, v in ipairs(brackets) do
         A.augroup('custom-brackets' .. key, function()
+            for _, v in ipairs(brackets) do
                 local action = M.createBracketCommand(v[1], v[2], 0, v[3] or "")
                 local glob = '*.' .. key
 
@@ -46,8 +46,8 @@ function M.setup()
                 end
 
                 A.autocmd('BufEnter', glob, action)
-            end)
             end
+        end)
     end
 end
 

modules/applications/default.nix

@@ -19,6 +19,7 @@
     ./neovim.nix
     ./tmux.nix
     ./kmonad.nix
+    ./direnv.nix
   ];
 }
 

modules/applications/direnv.nix

@@ -0,0 +1,10 @@
+# https://github.com/nix-community/nix-direnv
+{ pkgs, ... }: {
+  home-manager.users.adrielus = {
+    programs.direnv.enable = true;
+    programs.direnv.nix-direnv.enable = true;
+
+    # optional for nix flakes support in home-manager 21.11, not required in home-manager unstable or 22.05
+    programs.direnv.nix-direnv.enableFlakes = true;
+  };
+}

modules/applications/kmonad.nix

@@ -1,12 +1,33 @@
-{ pkgs, ... }:
+{ pkgs, lib, ... }:
-let kmonadRoot = ../../dotfiles/kmonad; in
+let
+  kmonadRoot = ../../dotfiles/kmonad;
+  kmonadInstances = [{
+    config = kmonadRoot + "/keymap.kbd";
+    inputDevices = [
+      "/dev/input/by-path/platform-i8042-serio-0-event-kbd"
+    ];
+  }];
+
+  createKmonadInstances = ({ config, inputDevices }:
+    let
+      configContent = builtins.readFile config;
+    in
+    lib.lists.map
+      (device:
+        "${pkgs.writeTextDir "configs/kmonad.kbd" (builtins.replaceStrings [ "$DEVICE" ] [ device ] configContent)}/kmonad.kbd"
+      )
+      inputDevices
+
+  );
+in
 {
   users.extraUsers.adrielus.extraGroups = [ "input" "uinput" ];
 
   services = {
     kmonad = {
       enable = true;
-      configfiles = [ (kmonadRoot + "/keymap.kbd") ];
+      # configfiles = lib.lists.concatMap createKmonadInstances kmonadInstances;
+      configfiles = lib.lists.map ({ config, ... }: config) kmonadInstances;
     };
 
     xserver = {

modules/applications/neovim.nix

@@ -64,6 +64,7 @@ in
         purescript-vim # purescript syntax highlighting
         nvim-comment # allows toggling line-comments
         nvim-treesitter # use treesitter for syntax highlighting
+        nvim-treesitter-textobjects # the lean plugin told me to add this
         startup-nvim # splash screen
         vim-devicons # nice looking icons
         nvim-web-devicons # fork of vim-devicons?

modules/applications/shells/fish.nix

@@ -7,6 +7,7 @@ let
   themePackage = builtins.getAttr theme pkgs.myFishPlugins.themes; # Dynamically pick the theme path
 in
 {
+  users.defaultUserShell = pkgs.fish;
   home-manager.users.adrielus = {
     # Source every file in the theme 
     xdg.configFile."fish/conf.d/plugin-${theme}.fish".text = lib.mkAfter ''

modules/bluetooth.nix

@@ -0,0 +1,48 @@
+# Taken from https://nixos.wiki/wiki/Bluetooth
+{ pkgs, ... }: {
+  hardware.bluetooth = {
+    enable = true;
+    settings = {
+      General = {
+        Enable = "Source,Sink,Media,Socket";
+      };
+    };
+  };
+
+  services.blueman.enable = true;
+
+  # TODO: investigate why this does not work
+  # systemd.user.services.mpris-proxy = {
+  #   Unit.Description = "Mpris proxy";
+  #   Unit.After = [ "network.target" "sound.target" ];
+  #   Service.ExecStart = "${pkgs.bluez}/bin/mpris-proxy";
+  #   Install.WantedBy = [ "default.target" ];
+  # };
+
+  hardware = {
+    pulseaudio = {
+      enable = true;
+
+      # NixOS allows either a lightweight build (default) or full build of PulseAudio to be installed.
+      # Only the full build has Bluetooth support, so it must be selected here.
+      package = pkgs.pulseaudioFull;
+
+      # Extra codecs
+      extraModules = [ pkgs.pulseaudio-modules-bt ];
+
+      configFile = pkgs.writeText "default.pa" ''
+        load-module module-bluetooth-policy
+        load-module module-bluetooth-discover
+        ## module fails to load with 
+        ##   module-bluez5-device.c: Failed to get device path from module arguments
+        ##   module.c: Failed to load module "module-bluez5-device" (argument: ""): initialization failed.
+        # load-module module-bluez5-device
+        # load-module module-bluez5-discover
+      '';
+
+      extraConfig = ''
+        load-module module-switch-on-connect
+      '';
+    };
+  };
+}

modules/default.nix

@@ -9,5 +9,6 @@
     ./xserver.nix
     ./users.nix
     ./nix.nix
+    ./bluetooth.nix
   ];
 }