feat(plugin): added cellular automaton plugin

init.lua

@@ -1,2 +1,16 @@
+
+--
+-- Initialize Neovim configuration
+-- ..............................................
+--
+-- Author: Sven Vogel
+-- Created: 01.11.2024
+-- Edited: 01.11.2024
+--
+-- ==============================================
+
+-- Load plugin manager
+-- and plugins, additonally setup global options
 require("config.lazy")
-require("config.opts")
+-- install custom keymaps
+require("config.keys")

lua/config/keys.lua

@@ -0,0 +1,156 @@
+
+--
+-- Global custom plugin agnostic keymaps
+-- ..............................................
+--
+-- Author: Sven Vogel
+-- Created: 01.11.2024
+-- Edited: 01.11.2024
+--
+-- ==============================================
+
+local keymaps = {
+    --
+    -- Write buffer to disk
+    -- ..............................................
+    {
+        mode = { 'n', 'i' },
+        keys = '<C-s>',
+        cmd  = vim.cmd.write,
+        desc = "Write buffer to disk"
+    },
+    {
+        mode = { 'n', 'i' },
+        keys = '<C-z>',
+        cmd  = vim.cmd.undo,
+        desc = "Undo last edit"
+    },
+    {
+        mode = { 'n', 'i' },
+        keys = '<C-y>',
+        cmd  = vim.cmd.redo,
+        desc = "Redo last edit that was undone"
+    },
+    --
+    -- Shift line(s) by one shiftwidth
+    -- ..............................................
+    {
+        mode = { 'n', 'i' },
+        keys = '<S-tab>',
+        cmd  = '<cmd>:<<cr>',
+        desc = "Shift cursor line left"
+    },
+    {
+        mode = { 'n', 'i' },
+        keys = '<tab>',
+        cmd  = '<cmd>:><cr>',
+        desc = "Shift cursor line right"
+    },
+    {
+        mode = { 'v' },
+        keys = '<tab>',
+        cmd  = '>gv',
+        desc = "Shift selection in visual mode right"
+    },
+    {
+        mode = { 'v' },
+        keys = '<S-tab>',
+        cmd  = '<gv',
+        desc = "Shift selection in visual right"
+    },
+    --
+    -- Buffer management
+    -- ..............................................
+    {
+        mode = { 'n', 'i' },
+        keys = '<C-t>',
+        cmd  = '<cmd>:enew<cr>',
+        desc = "Edit new, unnamed buffer"
+    },
+    --
+    -- Window controls
+    -- ..............................................
+    {
+        mode = { 'n', 'i' },
+        keys = '<C-w>v',
+        cmd  = '<cmd>:vsplit<cr>',
+        desc = "Split window vertically"
+    },
+    {
+        mode = { 'n', 'i' },
+        keys = '<C-w>h',
+        cmd  = '<cmd>:split<cr>',
+        desc = "Split window horizontally"
+    },
+    {
+        mode = { 'n' },
+        keys = 'q',
+        cmd  = function()
+            -- list of file types to ignore when counting split buffers
+            local ignore = { "neo-tree" }
+            -- number of windows per tab
+            local wins = vim.api.nvim_tabpage_list_wins(0)
+            -- count of open windows without those on ignore list
+            local count = 0
+
+            -- check each window for its type
+            for _, win in ipairs(wins) do
+                local buf = vim.api.nvim_win_get_buf(win)
+                local buf_type = vim.api.nvim_buf_get_option(buf, 'buftype')
+                local file_type = vim.api.nvim_buf_get_option(buf, 'filetype')
+
+                if buf_type == '' then
+
+                    -- check if buffer is in ignore
+                    in_ignore = false
+                    for _, v in ipairs(ignore) do
+                        if v == file_type then
+                            in_ignore = true
+                            break
+                        end
+                    end
+
+                    if not in_ignore then
+                        count = count + 1
+                    end
+                end
+            end
+
+            if count == 1 then
+                -- only one buffer without any split
+                -- account for barbar specific behavior
+                vim.cmd('BufferClose')
+            else
+                -- close window
+                vim.cmd('q')
+            end
+        end,
+        desc = "Close buffer"
+    },
+    --
+    -- Tab (barbar) controls
+    -- ..............................................
+    {
+        mode = { 'n', 'i' },
+        keys = '<C-tab>',
+        cmd  = vim.cmd('BufferNext'),
+        desc = "Switch to the next buffer"
+    },
+    {
+        mode = { 'n', 'i' },
+        keys = '<C-S-tab>',
+        cmd  = vim.cmd('BufferPrevious'),
+        desc = "Switch to the previous buffer"
+    }
+}
+
+for _, keymap in pairs(keymaps) do
+    local mode = keymap.mode
+    local lhs = keymap.keys
+    local rhs = keymap.cmd
+    local opts = {
+        desc = keymap.desc,
+        noremap = keymap.noremap
+    }
+    vim.keymap.set(mode, lhs, rhs, opts)
+end

lua/config/lazy.lua

@@ -1,3 +1,19 @@
+
+--
+-- Bootstrap and start Lazy.nvim plugins
+-- manager.
+-- ..............................................
+--
+-- Author: Sven Vogel
+-- Created: 01.11.2024
+-- Edited: 01.11.2024
+--
+-- ==============================================
+
+--
+-- Bootstrap Lazy.nvim package manager
+-- ..............................................
+
 -- Bootstrap lazy.nvim
 local lazypath = vim.fn.stdpath("data") .. "/lazy/lazy.nvim"
 if not (vim.uv or vim.loop).fs_stat(lazypath) then
@@ -15,12 +31,23 @@ if not (vim.uv or vim.loop).fs_stat(lazypath) then
 end
 vim.opt.rtp:prepend(lazypath)
 
+--
+-- Early setup of Neovim and VIM options
+-- ..............................................
+
 -- Make sure to setup `mapleader` and `maplocalleader` before
 -- loading lazy.nvim so that mappings are correct.
 -- This is also a good place to setup other settings (vim.opt)
 vim.g.mapleader = " "
 vim.g.maplocalleader = "\\"
 
+-- load options
+require("config.opts")
+
+--
+-- Start Lazy.nvim
+-- ..............................................
+
 -- Setup lazy.nvim
 require("lazy").setup({
   spec = {
@@ -32,4 +59,17 @@ require("lazy").setup({
   install = { colorscheme = { "habamax" } },
   -- automatically check for plugin updates
   checker = { enabled = false },
+  rtp = {
+        disabled_plugins = {
+            "gzip",
+            "matchit",
+            "matchparen",
+            "netrw",
+            "netrwplugin",
+            "tarplugin",
+            "tohtml",
+            "tutor",
+            "zipplugin",
+        }
+    },
 })

lua/config/opts.lua

@@ -1,3 +1,19 @@
+
+--
+-- Neovim and VIM global configuration
+-- and options
+-- ..............................................
+--
+-- Author: Sven Vogel
+-- Created: 01.11.2024
+-- Edited: 01.11.2024
+--
+-- ==============================================
+
+--
+-- neovim global options
+-- ..............................................
+
 local opt = vim.opt
 
 opt.clipboard = vim.env.SSH_TTY and "" or "unnamedplus" -- Sync with system clipboard
@@ -14,3 +30,14 @@ opt.termguicolors = true -- True color support
 opt.virtualedit = "block" -- Allow cursor to move where there is no text in visual block mode
 opt.wrap = false
 opt.smoothscroll = true
+opt.swapfile = false           -- disable swapfiles because they are fucking garbage
+opt.smartindent = true
+
+--
+-- VIM global options
+-- ..............................................
+
+-- disable netrw
+vim.g.loaded_netrw = 1
+vim.g.loaded_netrwPlugin = 1
+

lua/plugins/barbar.lua

@@ -0,0 +1,22 @@
+return {
+    {
+        'romgrk/barbar.nvim',
+        dependencies = {
+          'lewis6991/gitsigns.nvim', -- OPTIONAL: for git status
+          'nvim-tree/nvim-web-devicons', -- OPTIONAL: for file icons
+        },
+        init = function()
+            vim.g.barbar_auto_setup = false
+        end,
+        opts = {
+            auto_hide = 1,
+            tabpages = true,
+            clickable = true,
+             -- Set the filetypes which barbar will offset itself for
+            sidebar_filetypes = {
+                ['neo-tree'] = {event = 'BufWipeout'}
+            }
+        },
+        version = '^1.0.0'
+    }
+}

lua/plugins/cellular-automaton.lua

@@ -0,0 +1,19 @@
+
+
+--
+-- Global custom plugin agnostic keymaps
+--
+-- Source: https://github.com/Eandrju/cellular-automaton.nvim
+-- ..............................................
+--
+-- Author: Sven Vogel
+-- Created: 01.11.2024
+-- Edited: 01.11.2024
+--
+-- ==============================================
+
+return {
+    {
+        'eandrju/cellular-automaton.nvim'
+    }
+}

lua/plugins/neo-tree.lua

@@ -0,0 +1,62 @@
+return {
+    "nvim-neo-tree/neo-tree.nvim",
+    lazy = false,
+    branch = "v3.x",
+    dependencies = {
+        "nvim-lua/plenary.nvim",
+        "nvim-tree/nvim-web-devicons",
+        "MunifTanjim/nui.nvim"
+    },
+    cmd = "Neotree",
+    opts = {
+        source_selector = {
+            winbar = true,
+            statusline = false,
+            sources = {                    
+          {
+            source = "filesystem",         
+            display_name = " 󰉓 Files "     
+          },
+          {
+            source = "buffers",            
+            display_name = " 󰈚 Buffers "   
+          },
+          {
+            source = "document_symbols",         
+            display_name = " 󰊢 Git "    
+          },
+        },
+        },
+	    filesystem = {
+            bind_to_cwd = false,
+      	    follow_current_file = { enabled = true },
+      	    use_libuv_file_watcher = true,
+            hijack_netrw_behavior = "open_default",
+            filtered_items = {
+                hide_dotfiles = false,
+                hide_gitignored = false,
+                hide_hidden = false, -- only works on Windows for hidden files/directories
+            },
+            window = {
+                position = "left"
+            }
+        },
+        close_if_last_window = false,
+	    default_component_configs = {
+            container = {
+                enable_character_fade = true
+            },
+            indent = {
+                indent_size = 2,
+                padding = 1, -- extra padding on left hand side
+                with_markers = true,
+                indent_marker = "│",
+                last_indent_marker = "└",
+            with_expanders = true, -- if nil and file nesting is enabled, will enable expanders
+            expander_collapsed = "",
+            expander_expanded = "",
+            expander_highlight = "NeoTreeExpander",
+          }
+        }
+    }
+}