libkookie: kitty: adding module and configuration

infra/libkookie/configuration/workstation/kitty/default.nix

@@ -0,0 +1,18 @@
+/**
+ * The main configuration for kitty used on _all_ systems.
+ *
+ * The module is designed to use the default values I would like to
+ * use on my systems, however this will not stay this way, seeing as
+ * I plan on replacing it with the home-manager module in the future
+ * which will be tailored less to my use-case :)
+ */
+
+{ config, home-manager, ... }:
+
+{
+  # Load the home-manager kitty module
+  imports = [ <modules/workstation/ui/kitty/default.nix> ];
+
+  # Customise kitty installation
+  libkookie.ui.kitty.enable = true;
+}

infra/libkookie/modules/workstation/ui/kitty/config.nix

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+{ config, lib, ... }:
+
+let
+  cfg = config.libkookie.ui.kitty;
+  colors = with lib;
+    (concatMapStringsSep "\n" (a: a)
+      (mapAttrsToList (k: v: "${k} ${v}") cfg.colors));
+in
+''
+  font_size 10
+  
+  open_url_modifiers ctrl+shift
+  open_url_with default
+
+  term ${cfg.term}
+
+  cursor_shape ${cfg.cursorShape}
+
+  background_opacity 0.85
+
+  enable_audio_bell no
+
+  ${colors}
+''

infra/libkookie/modules/workstation/ui/kitty/default.nix

@@ -0,0 +1,108 @@
+/** 
+ * A home-manager configuration module for the kitty terminal
+ *
+ * TODO: This module should probably just be merged into the
+ * home-manager module, which does _most_ of this already. That way
+ * I won't have to maintain this personally :)
+ */
+
+{ config, lib, pkgs, home-manager, ... } @ args:
+
+let cfg = config.libkookie.ui.kitty;
+in
+with lib;
+{
+  options.libkookie.ui.kitty = {
+    enable = mkEnableOption "kitty terminal configuration";
+
+    extraFonts = mkOption {
+      type = with types; listOf package;
+      default = [ pkgs.twemoji-color-font ];
+      description = ''
+        Specify a set of extra fonts provided to the kitty configuration.
+        
+        By default ktty will use the standard monospace font specified
+        on your system (via the libkookie.fonts module), but to enable
+        emoji rendering (or ligatures?) you can specify additional
+        fonts here.
+      '';
+    };
+
+    term = mkOption {
+      type = types.str;
+      default = "xterm-256color";
+      description = ''
+        Specify what $TERM variable will be set.
+
+        The default is chosen to allow backwards compatibility with
+        existing systems.  You can set this varibale to `xterm-kitty`
+        to enable kitty specific features in applications.  This may
+        cause problems with legacy applications and remote systems!
+      '';
+    };
+
+    cursorShape = mkOption {
+      type = types.str;
+      default = "block";
+      description = ''
+        Specify the shape of the cursor used for kitty.
+      '';
+    };
+    
+    colors = mkOption {
+      type = types.attrs;
+      default = {
+        selection_foreground = "#93a1a1";
+        selection_background = "#073642";
+        active_border_color = "#00ff00";
+        inactive_border_color = "#cccccc";
+        cursor = "#ffffff";
+        
+        foreground = "#c5c8c6";
+        background = "#1d1f21";
+        
+        # black
+        color0 = "#1d1f21";
+        color8 = "#969896";
+
+        # red
+        color1 = "#cc6666";
+        color9 = "#cc6666";
+
+        # green
+        color2  = "#b5bd68";
+        color10 = "#b5bd68";
+
+        # yellow
+        color3  = "#f0c674";
+        color11 = "#f0c674";
+
+        # blue
+        color4  = "#81a2be";
+        color12 = "#81a2be";
+
+        # magenta
+        color5  = "#b294bb";
+        color13 = "#b294bb";
+
+        # cyan
+        color6  = "#8abeb7";
+        color14 = "#8abeb7";
+
+        # white
+        color7  = "#c5c8c6";
+        color15 = "#ffffff";
+      };
+
+      description = ''
+        Specify the set of colours used to render text in the
+        terminal, as well as the standard foreground, background,
+        selection, and border colours.
+
+        The default colours are based on the solarized dark theme.
+      '';
+    };
+  };
+
+  config = mkIf cfg.enable (import ./setup.nix args);
+}

infra/libkookie/modules/workstation/ui/kitty/setup.nix

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+{ config, lib, pkgs, home-manager, ... } @ args:
+
+let
+  cfg = config.libkookie.ui.kitty;
+  kittyConf = (import ./config.nix args);
+in
+{
+  home.packages = [ pkgs.kitty ] ++ cfg.extraFonts;
+
+  xdg.configFile."kitty/kitty.conf" = { text = kittyConf; };
+  
+}