programs/default.nix

@@ -5,6 +5,7 @@
   ./ghostty
   ./git
   ./jujutsu
+  # ./kitty
   ./nixvim
   ./tmux
   ./wezterm

programs/kitty/default.nix

@@ -0,0 +1,35 @@
+{ pkgs, ... }:
+
+let
+  actionsConfig = builtins.readFile ./open-actions.conf;
+in
+{
+  programs.kitty = {
+    enable = true;
+    keybindings = {
+      "kitty_mod+enter" = "new_window_with_cwd";
+      "f1" = "create_marker";
+      "f2" = "remove_marker";
+      "ctrl+p" = "scroll_to_mark prev";
+      "ctrl+n" = "scroll_to_mark next";
+    };
+    themeFile = "Tango_Dark";
+    font = {
+      name = "SF Mono";
+      size = 13;
+    };
+    settings = {
+      active_tab_background = "#FF0";
+      copy_on_select = true;
+      enabled_layouts = "Tall,Stack,Horizontal,*";
+      kitty_mod = "cmd+option";
+      macos_quit_when_last_window_closed = true;
+      scrollback_lines = 100000;
+      tab_bar_style = "powerline";
+      tab_powerline_style = "slanted";
+    };
+    shellIntegration.enableFishIntegration = true;
+  };
+
+  home.file.".config/kitty/open-actions.conf".text = actionsConfig;
+}

programs/kitty/open-actions.conf

@@ -0,0 +1,40 @@
+# Open any file with a fragment in vim, fragments are generated
+# by the hyperlink-grep kitten and nothing else so far.
+protocol file
+fragment_matches [0-9]+
+action launch --type=overlay --cwd=current hx +${FRAGMENT} -- ${FILE_PATH}
+
+# Open text files without fragments in the editor
+protocol file
+ext txt,md,conf,ini,log,sh,py,js,html,css,xml,json,yaml,yml,scala,sbt,java,go,py,toml,sql,swift,nix,lua
+action launch --type=overlay --cwd=current -- hx -- ${FILE_PATH}
+
+# Open any image in the full kitty window by clicking on it
+protocol file
+mime image/*
+action launch --type=overlay kitten icat --hold -- ${FILE_PATH}
+
+# Tail a log file (*.log) in a new OS Window and reduce its font size
+protocol file
+ext log
+action launch --title ${FILE} --type=os-window tail -f -- ${FILE_PATH}
+action change_font_size current -2
+
+# Open script files
+protocol file
+ext sh,command,tool
+action launch --hold --type=os-window kitty +shebang $FILE_PATH $SHELL
+
+# Open shell specific script files
+protocol file
+ext fish,bash,zsh
+action launch --hold --type=os-window kitty +shebang $FILE_PATH __ext__
+
+# Open directories
+protocol file
+mime inode/directory
+action launch --type=os-window --cwd -- $FILE_PATH
+
+# Open ssh URLs with ssh command
+protocol ssh
+action launch --type=os-window ssh -- $URL

programs/nixvim/options.nix

@@ -1,4 +1,4 @@
-{ ... }:
+{ pkgs, ... }:
 
 {
   programs.nixvim = {
@@ -18,7 +18,7 @@
       relativenumber = true;
       scrolloff = 8;
       shiftwidth = 2;
-      signcolumn = "auto";
+      signcolumn = "yes";
       smartindent = true;
       swapfile = false;
       tabstop = 2;