feat: better theming system with wallpaper support

modules/applications/alacritty.nix

@@ -1,26 +1,12 @@
 { pkgs, lib, ... }:
-
 let
-  themes = pkgs.myThemes;
-
-  createTheme = (theme: {
-    xdg.configFile."alacritty/themes/${theme.name}.yml".text =
-      builtins.toJSON
-        (lib.attrsets.recursiveUpdate theme.alacritty.settings {
-          import = theme.alacritty.settings.import ++ [ "~/.config/alacritty/alacritty.yml" ];
-        });
-  });
-
-  createThemeConfigs = lib.lists.foldr
-    (theme: acc: lib.attrsets.recursiveUpdate acc (createTheme theme)
-    )
-    { }
-    themes;
+  theme = pkgs.myThemes.current;
 in
 {
   imports = [
     {
-      home-manager.users.adrielus = createThemeConfigs;
+      # Load theme
+      home-manager.users.adrielus.programs.alacritty.settings = theme.alacritty.settings;
     }
   ];
 

modules/applications/neovim.nix

@@ -1,6 +1,6 @@
 { pkgs, lib, ... }:
 let
-  themes = pkgs.myThemes;
+  theme = pkgs.myThemes.current;
 
   # config-nvim = "/etc/nixos/configuration/dotfiles/neovim";
   config-nvim = pkgs.vimUtils.buildVimPluginFrom2Nix {
@@ -8,23 +8,19 @@ let
     src = ../../dotfiles/neovim;
   };
 
-  themePlugins = lib.lists.concatMap (theme: theme.neovim.plugins) themes;
-
+  # Lua code for importing a theme
   loadTheme = (theme: ''
-    if currentTheme == "${theme.name}" then
     ${theme.neovim.theme}
 
     vim.g.lualineTheme = ${theme.neovim.lualineTheme}
-    end
   '');
 
-  loadThemes = ''
+  # Wrap a piece of lua code
+  lua = (code: ''
     lua << EOF
-    local currentTheme = os.getenv("THEME");
-
-    ${pkgs.myHelpers.mergeLines (lib.lists.forEach themes loadTheme)};
+    ${code}
     EOF
-  '';
+  '');
 in
 {
   home-manager.users.adrielus.programs.neovim = {
@@ -32,7 +28,7 @@ in
     package = pkgs.neovim-nightly;
 
     extraConfig = ''
-      ${loadThemes}
+      ${lua (loadTheme theme)}
       luafile ${config-nvim}/init.lua
     '';
 
@@ -58,7 +54,7 @@ in
     ];
 
     plugins = with pkgs.vimPlugins;
-      with pkgs.vimExtraPlugins; with pkgs.myVimPlugins; themePlugins ++ [
+      with pkgs.vimExtraPlugins; with pkgs.myVimPlugins; theme.neovim.plugins ++ [
         config-nvim # my neovim config
         nvim-lspconfig # configures lsps for me
         nvim-autopairs # close pairs for me

modules/applications/shells/aliases.nix

@@ -23,6 +23,4 @@
 
   # Render git repo using gource
   "git-render" = "gource -f -s 1 -c 4 --key";
-
-  alacritty = "alacritty --config-file ~/.config/alacritty/themes/$THEME.yml";
 }

modules/applications/shells/sessionVariables.nix

@@ -9,12 +9,6 @@ let
 
     # Sets neovim as default editor
     EDITOR = "nvim";
-
-    # Sets the current theme used by all programs
-    THEME = theme;
-
-    # Common command for launching alacritty with the correct theme
-    # LAUNCH_ALACRITTY = "alacritty --config-file ~/.config/alacritty/themes/$THEME.yml";
   };
 in
 {

modules/applications/tmux.nix

@@ -1,10 +1,6 @@
 { pkgs, lib, ... }:
 let
-  sourceTmuxTheme = (theme: ''
-    # Only load this theme if it's the current one
-    if '[[ "$THEME" =~ ${theme.name} ]]' 'source ${theme.tmux.path}'
-  '');
-  tmuxThemes = pkgs.myHelpers.mergeLines (lib.lists.forEach pkgs.myThemes sourceTmuxTheme);
+  theme = pkgs.myThemes.current;
 in
 {
   home-manager.users.adrielus.programs = {
@@ -24,11 +20,11 @@ in
       ];
 
       extraConfig = ''
-        # Load every theme available
-        ${tmuxThemes}
+        # Load current theme
+        source ${theme.tmux.path}
 
         # load the rest of the config
-        source-file ${../../dotfiles/tmux/tmux.conf}
+        source ${../../dotfiles/tmux/tmux.conf}
       '';
     };
   };

modules/applications/xmonad/Main.hs

@@ -75,9 +75,6 @@ main =
             manageWorkspaces
           ]
 
-    spawnTerminal = do
-      spawn "fish -c 'alacritty --config-file ~/.config/alacritty/themes/$THEME.yml'"
-
     myTerminal = "alacritty"
     myBrowser = "google-chrome-stable"
 
@@ -85,7 +82,6 @@ main =
     keymap =
       [ ("M-p", spawn "rofi -show run"),
         ("M-g", spawn myBrowser),
-        ("M-s", spawnTerminal),
         ("M-d", spawn "Discord")
       ]
 
@@ -101,9 +97,6 @@ main =
 
     startup :: X ()
     startup = do
-      spawn "xwallpaper --zoom ./background.jpg"
-
--- spawn "Discord"
--- spawn "google-chrome-stable"
--- spawn "alacritty"
+      -- The file is dynamically set in wallpaper.nix
+      spawn "xwallpaper --zoom ~/.config/wallpaper"
 

modules/overlays/default.nix

@@ -1,8 +1,10 @@
-{ pkgs, ... }: {
+{ pkgs, lib, ... }: {
   nixpkgs.overlays = [
     (import ./tweakSources.nix)
-    (import ./myPackages.nix)
     (import ./npm.nix)
+    ((import ./myPackages.nix) {
+      inherit lib;
+    }) # Requires lib access
 
     # I hope this works (spoiler: it did not)
     # (import ./edopro)

modules/overlays/myPackages.nix

@@ -1,5 +1,22 @@
+{ lib, ... }:
 self: super:
+let
+  allThemes = self.callPackage (import ../themes/themes.nix) { };
+  currentTheme = "github-dark";
+in
 with self; {
   myHelpers = self.callPackage (import ../helpers.nix) { };
-  myThemes = self.callPackage (import ../themes/themes.nix) { };
+  myThemes = {
+    all = allThemes;
+    current = lib.lists.findFirst (theme: theme.name == currentTheme)
+      (throw ''
+        Theme "${currentTheme}" not found.
+        Available themes are:
+          ${lib.lists.foldr (current: prev: if prev == "" 
+            then current.name 
+            else "${current.name}, ${prev}") "" allThemes}
+      '')
+      allThemes;
+  };
 }
+

modules/themes/default.nix

@@ -1 +1,6 @@
-{ ... }: { imports = [ ./fonts.nix ]; }
+{ ... }: {
+  imports = [
+    ./fonts.nix # Installs fonts and stuff (TODO: consider moving this into the individual themes which require these fonts?)
+    ./wallpaper.nix # Sets the wallpaper required by the current theme
+  ];
+}

modules/themes/githubVariant.nix

@@ -1,8 +1,10 @@
-{ variant, transparency ? 1 }: { pkgs, ... }:
+{ variant, transparency ? 1, wallpaper }: { pkgs, ... }:
 let
   githubTheme = pkgs.myVimPlugins.githubNvimTheme; # github theme for neovim
 in
 {
+  inherit wallpaper;
+
   name = "github-${variant}";
   neovim = {
     plugins = [ pkgs.vimExtraPlugins.github-nvim-theme ];

modules/themes/theme.nix

@@ -1,2 +0,0 @@
-
-

modules/themes/themes.nix

@@ -2,6 +2,14 @@
 let githubVariant = import ./githubVariant.nix;
 in
 lib.lists.map (theme: pkgs.callPackage theme { }) [
-  (githubVariant { variant = "light"; })
-  (githubVariant { variant = "dark"; transparency = 0.8; })
+  (githubVariant {
+    variant = "light";
+    wallpaper = ./wallpapers/wall.png;
+    transparency = 0.8;
+  })
+  (githubVariant {
+    variant = "dark";
+    wallpaper = ./wallpapers/spaceship.jpg;
+    transparency = 0.8;
+  })
 ]

modules/themes/wallpaper.nix

@@ -0,0 +1,5 @@
+{ pkgs, ... }: {
+  home-manager.users.adrielus = {
+    xdg.configFile.wallpaper.source = pkgs.myThemes.current.wallpaper;
+  };
+}