Code Editor (NeoVim + Tmux)

init.lua

---------- My Neovim Configuration ---------- 
-- This file contains my neovim configuration
-- including plugins and settings.
---------------------------------------------

local Plug = vim.fn['plug#']

----------------- Plugin Setup --------------
-- Install plugins using vim-plug
---------------------------------------------

vim.call('plug#begin', '~/.config/nvim/plugged')

-- Add autocompletion and linting
-- :CocInstall coc-html coc-yaml coc-sql coc-sh coc-rust-analyzer coc-python coc-phpls coc-docker coc-css
Plug('neoclide/coc.nvim', { branch = 'release' })

-- Add Copilot for AI autocompletion 
-- Requires auth token from GitHub
Plug('github/copilot.vim')

-- Add fzf for file finder
-- Important to do apt-get install fzf
Plug('junegunn/fzf')
Plug('junegunn/fzf.vim')

-- Add NERDCommenter for commenting
Plug('scrooloose/nerdcommenter')

-- Add NERDTree for file tree
-- Should install a font with icons. https://www.nerdfonts.com/
-- I like FiraCode Nerd Font
Plug('nvim-tree/nvim-tree.lua')

-- Add rose-pine theme
Plug('rose-pine/neovim')

vim.call('plug#end')

--------- Default Settings -------------------
vim.cmd('set number')
vim.cmd('syntax enable')
vim.cmd('set wrap')
vim.cmd('set incsearch')
vim.cmd('set hlsearch')
vim.cmd('set showmatch')
vim.cmd('set ignorecase')
vim.cmd('set smartcase')
vim.cmd('let mapleader = ","')
vim.cmd('set nobackup')
vim.cmd('set nowritebackup')
vim.cmd('set updatetime=300')
vim.cmd('set noswapfile')

----------------- Theme ---------------------
vim.cmd('colorscheme rose-pine')
vim.cmd('set background=dark')

----------------- FZF Setup -----------------
-- Provides a file finder
---------------------------------------------

-- Enable fzf.vim plugin. This plugin provides a file finder
vim.g.fzf_layout = { window = { width = 0.8, height = 0.8 } }

-- Key mapping to open fzf file finder
vim.api.nvim_set_keymap('n', '<C-p>', ':FZF<CR>', { noremap = true })

vim.g.loaded_netrw = 1
vim.g.loaded_netrwPlugin = 1

-- optionally enable 24-bit colour
vim.opt.termguicolors = true

----------------- NVIM-TREE Setup -----------
-- Provides a file tree
---------------------------------------------
require("nvim-tree").setup({
  sort = {
    sorter = "case_sensitive",
  },
  view = {
    width = 30,
  },
  renderer = {
    group_empty = true,
  },
  filters = {
    dotfiles = true,
  },
})

----------------- COC Setup -----------------
-- Provides autocompletion and linting
---------------------------------------------

vim.g.coc_suggest_opts = { autoTrigger = 's' }
vim.api.nvim_set_keymap('i', '<Tab>', 'pumvisible() ? "\\<C-n>" : "\\<Tab>"', { expr = true, silent = true })
vim.api.nvim_set_keymap('i', '<S-Tab>', 'pumvisible() ? "\\<C-p>" : "\\<S-Tab>"', { expr = true, silent = true })

-- Key mappings for split navigation
vim.api.nvim_set_keymap('n', '<C-h>', '<C-w>h', { noremap = true })
vim.api.nvim_set_keymap('n', '<C-j>', '<C-w>j', { noremap = true })
vim.api.nvim_set_keymap('n', '<C-k>', '<C-w>k', { noremap = true })
vim.api.nvim_set_keymap('n', '<C-l>', '<C-w>l', { noremap = true })

-- Key mappings for creating splits
vim.api.nvim_set_keymap('n', '<leader>h', '<C-w>s', { noremap = true })
vim.api.nvim_set_keymap('n', '<leader>v', '<C-w>v', { noremap = true })

tmux.conf

# remap prefix from 'C-b' to 'C-a'
unbind C-b
set-option -g prefix C-b
bind-key C-b send-prefix

# List of plugins
set -g @plugin 'tmux-plugins/tpm'
set -g @plugin 'tmux-plugins/tmux-sensible'

# Initialize TMUX plugin manager (keep this line at the very bottom of tmux.conf)
run '/usr/share/tmux-plugin-manager/tpm'

# split panes using | and -
bind | split-window -h
bind - split-window -v
unbind '"'
unbind %

# reload config file (change file location to your the tmux.conf you want to use)
bind r source-file ~/.tmux.conf


# switch panes using Alt-arrow without prefix
bind -n M-Left select-pane -L
bind -n M-Right select-pane -R
bind -n M-Up select-pane -U
bind -n M-Down select-pane -D

# don't rename windows automatically
set-option -g allow-rename off

# DESIGN TWEAKS

# don't do anything when a 'bell' rings
set -g visual-activity off
set -g visual-bell off
set -g visual-silence off
setw -g monitor-activity off
set -g bell-action none

# clock mode
setw -g clock-mode-colour colour6

# copy mode
setw -g mode-style 'fg=colour1 bg=colour18 bold'

# pane borders
set -g pane-border-style 'fg=colour6'
set -g pane-active-border-style 'fg=colour3'

# statusbar
set -g status-position bottom
set -g status-justify left
set -g status-style 'fg=colour6'
set -g status-left ''
set -g status-right '%Y-%m-%d %H:%M '
set -g status-right-length 50
set -g status-left-length 10

setw -g window-status-current-style 'fg=colour0 bg=colour6 bold'
setw -g window-status-current-format ' #I #W #F '

setw -g window-status-style 'fg=colour6 dim'
setw -g window-status-format ' #I #[fg=colour7]#W #[fg=colour1]#F '

setw -g window-status-bell-style 'fg=colour6 bg=colour1 bold'

# messages
set -g message-style 'fg=colour6 bg=colour0 bold'