From 0fa094845024d39d00e5e4b4c46fdc21e11afefb Mon Sep 17 00:00:00 2001
From: John Bowdre <john@bowdre.net>
Date: Wed, 4 Dec 2024 21:11:13 -0600
Subject: [PATCH] neovim configs

---
 home/modules/tui/neovim/autocmds.nix          | 25 +++++++
 home/modules/tui/neovim/completion.nix        | 55 ++++++++++++++
 home/modules/tui/neovim/default.nix           | 18 +++++
 home/modules/tui/neovim/keymaps.nix           | 74 +++++++++++++++++++
 home/modules/tui/neovim/options.nix           | 46 ++++++++++++
 home/modules/tui/neovim/plugins/barbar.nix    | 10 +++
 home/modules/tui/neovim/plugins/comment.nix   | 10 +++
 home/modules/tui/neovim/plugins/default.nix   | 52 +++++++++++++
 home/modules/tui/neovim/plugins/floaterm.nix  | 12 +++
 home/modules/tui/neovim/plugins/harpoon.nix   | 20 +++++
 home/modules/tui/neovim/plugins/lsp.nix       | 38 ++++++++++
 .../modules/tui/neovim/plugins/md-preview.nix | 20 +++++
 home/modules/tui/neovim/plugins/neo-tree.nix  | 22 ++++++
 home/modules/tui/neovim/plugins/telescope.nix | 33 +++++++++
 .../modules/tui/neovim/plugins/treesitter.nix | 26 +++++++
 15 files changed, 461 insertions(+)
 create mode 100644 home/modules/tui/neovim/autocmds.nix
 create mode 100644 home/modules/tui/neovim/completion.nix
 create mode 100644 home/modules/tui/neovim/keymaps.nix
 create mode 100644 home/modules/tui/neovim/options.nix
 create mode 100644 home/modules/tui/neovim/plugins/barbar.nix
 create mode 100644 home/modules/tui/neovim/plugins/comment.nix
 create mode 100644 home/modules/tui/neovim/plugins/default.nix
 create mode 100644 home/modules/tui/neovim/plugins/floaterm.nix
 create mode 100644 home/modules/tui/neovim/plugins/harpoon.nix
 create mode 100644 home/modules/tui/neovim/plugins/lsp.nix
 create mode 100644 home/modules/tui/neovim/plugins/md-preview.nix
 create mode 100644 home/modules/tui/neovim/plugins/neo-tree.nix
 create mode 100644 home/modules/tui/neovim/plugins/telescope.nix
 create mode 100644 home/modules/tui/neovim/plugins/treesitter.nix

diff --git a/home/modules/tui/neovim/autocmds.nix b/home/modules/tui/neovim/autocmds.nix
new file mode 100644
index 0000000..9761bf5
--- /dev/null
+++ b/home/modules/tui/neovim/autocmds.nix
@@ -0,0 +1,25 @@
+{
+  programs.nixvim.autoCmd = [
+    # Vertically center document when entering insert mode
+    {
+      event = "InsertEnter";
+      command = "norm zz";
+    }
+
+    # Open help in a vertical split
+    {
+      event = "FileType";
+      pattern = "help";
+      command = "wincmd L";
+    }
+
+    # Enable spellcheck for some filetypes
+    {
+      event = "FileType";
+      pattern = [
+        "markdown"
+      ];
+      command = "setlocal spell spelllang=en";
+    }
+  ];
+}
\ No newline at end of file
diff --git a/home/modules/tui/neovim/completion.nix b/home/modules/tui/neovim/completion.nix
new file mode 100644
index 0000000..d7d9c81
--- /dev/null
+++ b/home/modules/tui/neovim/completion.nix
@@ -0,0 +1,55 @@
+{
+  programs.nixvim = {
+    opts.completeopt = ["menu" "menuone" "noselect"];
+
+    plugins = {
+      luasnip.enable = true;
+
+      lspkind = {
+        enable = true;
+
+        cmp = {
+          enable = true;
+          menu = {
+            nvim_lsp = "[LSP]";
+            nvim_lua = "[api]";
+            path = "[path]";
+            luasnip = "[snip]";
+            buffer = "[buffer]";
+            nixpkgs_maintainers = "[nixpkgs]";
+          };
+        };
+      };
+
+      cmp = {
+        enable = true;
+
+        settings = {
+          snippet.expand = "function(args) require('luasnip').lsp_expand(args.body) end";
+
+          mapping = {
+            "<C-d>" = "cmp.mapping.scroll_docs(-4)";
+            "<C-f>" = "cmp.mapping.scroll_docs(4)";
+            "<C-Space>" = "cmp.mapping.complete()";
+            "<C-e>" = "cmp.mapping.close()";
+            "<Tab>" = "cmp.mapping(cmp.mapping.select_next_item(), {'i', 's'})";
+            "<S-Tab>" = "cmp.mapping(cmp.mapping.select_prev_item(), {'i', 's'})";
+            "<CR>" = "cmp.mapping.confirm({ select = true })";
+          };
+
+          sources = [
+            {name = "path";}
+            {name = "nvim_lsp";}
+            {name = "luasnip";}
+            {name = "nixpkgs_maintainers";}
+            {
+              name = "buffer";
+              # words from other open buffers can also be suggested
+              option.get_bufnrs.__raw = "vim.api.nvim_list_bufs";
+            }
+          ];
+        };
+      };
+    };
+  };
+}
\ No newline at end of file
diff --git a/home/modules/tui/neovim/default.nix b/home/modules/tui/neovim/default.nix
index 3baffad..e8a0c02 100644
--- a/home/modules/tui/neovim/default.nix
+++ b/home/modules/tui/neovim/default.nix
@@ -2,9 +2,27 @@
 
   imports = [
     inputs.nixvim.homeManagerModules.nixvim
+    ./autocmds.nix
+    ./completion.nix
+    ./keymaps.nix
+    ./options.nix
+    ./plugins
   ];
 
   programs.nixvim = {
     enable = true;
+
+    performance = {
+      combinePlugins = {
+        enable = true;
+        standalonePlugins = [
+          "hmts.nvim"
+          "nvim-treesitter"
+        ];
+      };
+      byteCompileLua.enable = true;
+    };
+
+    luaLoader.enable = true;
   };
 }
diff --git a/home/modules/tui/neovim/keymaps.nix b/home/modules/tui/neovim/keymaps.nix
new file mode 100644
index 0000000..9acb8bc
--- /dev/null
+++ b/home/modules/tui/neovim/keymaps.nix
@@ -0,0 +1,74 @@
+{ config, lib, ... }: {
+  programs.nixvim = {
+    globals = {
+      mapleader = " ";
+      maplocalleader = " ";
+    };
+
+    keymaps = let
+      normal =
+        lib.mapAttrsToList
+        (key: action: {
+          mode = "n";
+          inherit action key;
+        })
+        {
+          "<Space>" = "<NOP>";
+
+          # Esc to clear search results
+          "<esc>" = ":noh<CR>";
+
+          # fix Y behavior
+          Y = "y$";
+
+          # toggle between two most recent files
+          "<C-c>" = ":b#<CR>";
+
+          # close by Ctrl+x
+          "<C-x>" = ":close<CR>";
+
+          # save by Space+s or Ctrl+s
+          "<leader>s" = ":w<CR>";
+          "<C-s>" = ":w<CR>";
+
+          # H, L to jump to start/end of line
+          L = "$";
+          H = "^";
+
+          # resize with arrows
+          "<C-Up>" = ":resize -2<CR>";
+          "<C-Down>" = ":resize +2<CR>";
+          "<C-Left>" = ":vertical resize +2<CR>";
+          "<C-Right>" = ":vertical resize -2<CR>";
+
+          # move current line up/down
+          # M = Alt
+          "<M-k>" = ":move-2<CR>";
+          "<M-j>" = ":move+<CR>";
+        };
+      visual =
+        lib.mapAttrsToList
+        (key: action: {
+          mode = "v";
+          inherit action key;
+        })
+        {
+          # better indenting
+          ">" = ">gv";
+          "<" = "<gv";
+          "<TAB>" = ">gv";
+          "<S-TAB>" = "<gv";
+
+          # move selected line/block in visual mode
+          "K" = ":m '<-2<CR>gv=gv";
+          "J" = ":m '>+1<CR>gv=gv";
+
+          # sort
+          "<leader>s" = ":sort<CR>";
+        };
+    in
+      config.lib.nixvim.keymaps.mkKeymaps
+      {options.silent = true;}
+      (normal ++ visual);
+  };
+}
\ No newline at end of file
diff --git a/home/modules/tui/neovim/options.nix b/home/modules/tui/neovim/options.nix
new file mode 100644
index 0000000..ac77128
--- /dev/null
+++ b/home/modules/tui/neovim/options.nix
@@ -0,0 +1,46 @@
+{
+  programs.nixvim = {
+    clipboard = {
+      providers = {
+        wl-copy.enable = true;
+        xsel.enable = true;
+      };
+      register = "unnamedplus";
+    };
+
+    opts = {
+      updatetime = 100; # Faster completion
+      relativenumber = true; # Relative line numbers
+      number = true; # Display absolute line number of current line
+      hidden = true; # Keep closed buffer open in the background
+      mouse = "a"; # Enable mouse control
+      mousemodel = "extend"; # Mouse right-click extends the current selection
+      splitbelow = true; # A new window is put below the current one
+      splitright = true; # A new window is put right of the corrent one
+      swapfile = false; # Disable the swap file
+      modeline = true; # tags such as 'vim:ft=sh'
+      modelines = 5; # check first and last five lines for modelines
+      undofile = true; # save and restore undo history
+      incsearch = true; # incremental search: show match for partly typed search command
+      inccommand = "split"; # search and replace: preview changes in quickfix list
+      ignorecase = true; # when search query is lowercase match both lower and upper patterns
+      smartcase = true; # override ignorecase if search pattern containers upper case
+      scrolloff = 8; # number of lines to show around the cursor
+      cursorline = true; # highlight the screen line of the cursor
+      cursorcolumn = false; # highlight the screen column of the cursor
+      signcolumn = "yes"; # whether to show the signcolumn
+      colorcolumn = "100"; # columns to highlight
+      laststatus = 3; # when to use a status line for the last window
+      fileencoding = "utf-8"; # file-content encoding for the current buffer
+      termguicolors = true; # enables 24-bit colors
+      spell = false; # highlight spelling mistakes
+      wrap = false; # prevent wrapping text
+      tabstop = 2; # number of spaces a <Tab> in the text stands for
+      shiftwidth = 2; # number of spaces used for each step of (auto)indent
+      expandtab = true; # expand <Tab> to spaces in Insert mode
+      autoindent = true; # do clever autoindenting
+      textwidth = 0; # maximum width of text that is being inserted, a longer line will be broken after whitespace to this width
+      foldlevel = 99; # folds with a level higher than this number will be closed
+    };
+  };
+}
\ No newline at end of file
diff --git a/home/modules/tui/neovim/plugins/barbar.nix b/home/modules/tui/neovim/plugins/barbar.nix
new file mode 100644
index 0000000..02b8067
--- /dev/null
+++ b/home/modules/tui/neovim/plugins/barbar.nix
@@ -0,0 +1,10 @@
+{
+  programs.nixvim.plugins.barbar = {
+    enable = true;
+    keymaps = {
+      next.key = "<TAB>";
+      previous.key = "<S-TAB>";
+      close.key = "<C-w>";
+    };
+  };
+}
\ No newline at end of file
diff --git a/home/modules/tui/neovim/plugins/comment.nix b/home/modules/tui/neovim/plugins/comment.nix
new file mode 100644
index 0000000..0a688e9
--- /dev/null
+++ b/home/modules/tui/neovim/plugins/comment.nix
@@ -0,0 +1,10 @@
+{
+  programs.nixvim.plugins.comment = {
+    enable = true;
+
+    settings = {
+      opleader.line = "<C-b>";
+      toggler.line = "<C-b>";
+    };
+  };
+}
\ No newline at end of file
diff --git a/home/modules/tui/neovim/plugins/default.nix b/home/modules/tui/neovim/plugins/default.nix
new file mode 100644
index 0000000..380785a
--- /dev/null
+++ b/home/modules/tui/neovim/plugins/default.nix
@@ -0,0 +1,52 @@
+{
+  imports = [
+    ./barbar.nix
+    ./comment.nix
+    ./floaterm.nix
+    ./harpoon.nix
+    ./lsp.nix
+    ./md-preview.nix
+    ./neo-tree.nix
+    ./telescope.nix
+    ./treesitter.nix
+  ];
+
+  programs.nixvim = {
+    colorschemes.catppuccin.enable = true;
+
+    plugins = {
+      web-devicons.enable = true;
+
+      gitsigns = {
+        enable = true;
+        settings.signs = {
+          add.text = "+";
+          change.text = "~";
+        };
+      };
+
+      nvim-autopairs.enable = true;
+
+      nvim-colorizer = {
+        enable = true;
+        userDefaultOptions.names = false;
+      };
+
+      oil.enable = true;
+
+      trim = {
+        enable = true;
+        settings = {
+          highlight = true;
+          ft_blocklist = [
+            "checkhealth"
+            "floaterm"
+            "lsipinfo"
+            "neo-tree"
+            "TelescopePrompt"
+          ];
+        };
+      };
+    };
+  };
+}
\ No newline at end of file
diff --git a/home/modules/tui/neovim/plugins/floaterm.nix b/home/modules/tui/neovim/plugins/floaterm.nix
new file mode 100644
index 0000000..71df0cf
--- /dev/null
+++ b/home/modules/tui/neovim/plugins/floaterm.nix
@@ -0,0 +1,12 @@
+{
+  programs.nixvim.plugins.floaterm = {
+    enable = true;
+
+    width = 0.8;
+    height = 0.8;
+
+    title = "";
+
+    keymaps.toggle = "<leader>,";
+  };
+}
\ No newline at end of file
diff --git a/home/modules/tui/neovim/plugins/harpoon.nix b/home/modules/tui/neovim/plugins/harpoon.nix
new file mode 100644
index 0000000..8f3560e
--- /dev/null
+++ b/home/modules/tui/neovim/plugins/harpoon.nix
@@ -0,0 +1,20 @@
+{
+  programs.nixvim = {
+    plugins.harpoon = {
+      enable = true;
+
+      keymapsSilent = true;
+
+      keymaps = {
+        addFile = "<leader>a";
+        toggleQuickMenu = "<C-e>";
+        navFile = {
+          "1" = "<C-j>";
+          "2" = "<C-k>";
+          "3" = "<C-l>";
+          "4" = "<C-m>";
+        };
+      };
+    };
+  };
+}
\ No newline at end of file
diff --git a/home/modules/tui/neovim/plugins/lsp.nix b/home/modules/tui/neovim/plugins/lsp.nix
new file mode 100644
index 0000000..7fb8e3d
--- /dev/null
+++ b/home/modules/tui/neovim/plugins/lsp.nix
@@ -0,0 +1,38 @@
+{
+  programs.nixvim = {
+    plugins = {
+      lsp-format = {
+        enable = true;
+        lspServersToEnable = "all";
+      };
+
+      lsp = {
+        enable = true;
+
+        inlayHints = true;
+
+        keymaps = {
+          silent = true;
+          diagnostic = {
+            # navigate in diagnostics
+            "<leader>k" = "goto_prev";
+            "<leader>j" = "goto_next";
+          };
+
+          lspBuf = {
+            gd = "definition";
+            gD = "references";
+            gt = "type_definition";
+            gi = "implementation";
+            K = "hover";
+            "<F2>" = "rename";
+          };
+        };
+
+        servers = {
+          clangd.enable = true;
+        };
+      };
+    };
+  };
+}
\ No newline at end of file
diff --git a/home/modules/tui/neovim/plugins/md-preview.nix b/home/modules/tui/neovim/plugins/md-preview.nix
new file mode 100644
index 0000000..f8f4cc8
--- /dev/null
+++ b/home/modules/tui/neovim/plugins/md-preview.nix
@@ -0,0 +1,20 @@
+{
+  programs.nixvim = {
+    plugins.markdown-preview = {
+      enable = true;
+
+      settings = {
+        auto_close = 0;
+        theme = "dark";
+      };
+    };
+
+    files."after/ftplugin/markdown.lua".keymaps = [
+      {
+        mode = "n";
+        key = "<leader>m";
+        action = ":MarkdownPreview<cr>";
+      }
+    ];
+  };
+}
\ No newline at end of file
diff --git a/home/modules/tui/neovim/plugins/neo-tree.nix b/home/modules/tui/neovim/plugins/neo-tree.nix
new file mode 100644
index 0000000..c0d03dc
--- /dev/null
+++ b/home/modules/tui/neovim/plugins/neo-tree.nix
@@ -0,0 +1,22 @@
+{
+  programs.nixvim = {
+    keymaps = [
+      {
+        mode = "n";
+        key = "<leader>n";
+        action = ":Neotree action=focus reveal toggle<CR>";
+        options.silent = true;
+      }
+    ];
+
+    plugins.neo-tree = {
+      enable = true;
+
+      closeIfLastWindow = true;
+      window = {
+        width = 30;
+        autoExpandWidth = true;
+      };
+    };
+  };
+}
\ No newline at end of file
diff --git a/home/modules/tui/neovim/plugins/telescope.nix b/home/modules/tui/neovim/plugins/telescope.nix
new file mode 100644
index 0000000..0eb680c
--- /dev/null
+++ b/home/modules/tui/neovim/plugins/telescope.nix
@@ -0,0 +1,33 @@
+{
+  programs.nixvim = {
+    plugins.telescope = {
+      enable = true;
+
+      keymaps = {
+        # find files using telescope command-line sugar
+        "<leader>ff" = "find_files";
+        "<leader>fg" = "live_grep";
+        "<leader>b" = "buffers";
+        "<leader>fh" = "help_tags";
+        "<leader>fd" = "diagnostics";
+
+        # fzf like bindings
+        "<C-p>" = "git_files";
+        "<leader>p" = "oldfiles";
+        "<C-f>" = "live_grep";
+      };
+
+      settings.defaults = {
+        file_ignore_patterns = [
+          "^.git/"
+          "^.mypy_cache/"
+          "^__pycache__/"
+          "^output/"
+          "^data/"
+          "%.ipynb"
+        ];
+        set_env.COLORTERM = "truecolor";
+      };
+    };
+  };
+}
\ No newline at end of file
diff --git a/home/modules/tui/neovim/plugins/treesitter.nix b/home/modules/tui/neovim/plugins/treesitter.nix
new file mode 100644
index 0000000..64cc1c1
--- /dev/null
+++ b/home/modules/tui/neovim/plugins/treesitter.nix
@@ -0,0 +1,26 @@
+{
+  programs.nixvim.plugins = {
+    treesitter = {
+      enable = true;
+
+      nixvimInjections = true;
+
+      settings = {
+        highlight.enable = true;
+        indent.enable = true;
+      };
+      folding = true;
+    };
+
+    treesitter-refactor = {
+      enable = true;
+      highlightDefinitions = {
+        enable = true;
+        # set to false if you have an updatetime of ~100
+        clearOnCursorMove = false;
+      };
+    };
+
+    hmts.enable = true;
+  };
+}
\ No newline at end of file