kickstart.nvim/lua/custom/plugins/smart-split.lua

return {
  'mrjones2014/smart-splits.nvim',
  dependencies = {
    'pogyomo/submode.nvim',
  },
  -- config = function() end,
  config = function()
    require('smart-splits').setup {
      -- Ignored filetypes (only while resizing)
      ignored_filetypes = {
        'nofile',
        'quickfix',
        'prompt',
      },
      -- Ignored buffer types (only while resizing)
      ignored_buftypes = { 'NvimTree' },
      -- the default number of lines/columns to resize by at a time
      default_amount = 3,
      -- Desired behavior when your cursor is at an edge and you
      -- are moving towards that same edge:
      -- 'wrap' => Wrap to opposite side
      -- 'split' => Create a new split in the desired direction
      -- 'stop' => Do nothing
      -- function => You handle the behavior yourself
      -- NOTE: If using a function, the function will be called with
      -- a context object with the following fields:
      -- {
      --    mux = {
      --      type:'tmux'|'wezterm'|'kitty'
      --      current_pane_id():number,
      --      is_in_session(): boolean
      --      current_pane_is_zoomed():boolean,
      --      -- following methods return a boolean to indicate success or failure
      --      current_pane_at_edge(direction:'left'|'right'|'up'|'down'):boolean
      --      next_pane(direction:'left'|'right'|'up'|'down'):boolean
      --      resize_pane(direction:'left'|'right'|'up'|'down'):boolean
      --      split_pane(direction:'left'|'right'|'up'|'down',size:number|nil):boolean
      --    },
      --    direction = 'left'|'right'|'up'|'down',
      --    split(), -- utility function to split current Neovim pane in the current direction
      --    wrap(), -- utility function to wrap to opposite Neovim pane
      -- }
      -- NOTE: `at_edge = 'wrap'` is not supported on Kitty terminal
      -- multiplexer, as there is no way to determine layout via the CLI
      at_edge = 'wrap',
      -- when moving cursor between splits left or right,
      -- place the cursor on the same row of the *screen*
      -- regardless of line numbers. False by default.
      -- Can be overridden via function parameter, see Usage.
      move_cursor_same_row = false,
      -- whether the cursor should follow the buffer when swapping
      -- buffers by default; it can also be controlled by passing
      -- `{ move_cursor = true }` or `{ move_cursor = false }`
      -- when calling the Lua function.
      cursor_follows_swapped_bufs = false,
      -- resize mode options
      resize_mode = {
        -- key to exit persistent resize mode
        quit_key = '<ESC>',
        -- keys to use for moving in resize mode
        -- in order of left, down, up' right
        resize_keys = { 'h', 'j', 'k', 'l' },
        -- set to true to silence the notifications
        -- when entering/exiting persistent resize mode
        silent = false,
        -- must be functions, they will be executed when
        -- entering or exiting the resize mode
        hooks = {
          on_enter = nil,
          on_leave = nil,
        },
      },
      -- ignore these autocmd events (via :h eventignore) while processing
      -- smart-splits.nvim computations, which involve visiting different
      -- buffers and windows. These events will be ignored during processing,
      -- and un-ignored on completed. This only applies to resize events,
      -- not cursor movement events.
      ignored_events = {
        'BufEnter',
        'WinEnter',
      },
      -- enable or disable a multiplexer integration;
      -- automatically determined, unless explicitly disabled or set,
      -- by checking the $TERM_PROGRAM environment variable,
      -- and the $KITTY_LISTEN_ON environment variable for Kitty
      multiplexer_integration = nil,
      -- disable multiplexer navigation if current multiplexer pane is zoomed
      -- this functionality is only supported on tmux and Wezterm due to kitty
      -- not having a way to check if a pane is zoomed
      disable_multiplexer_nav_when_zoomed = true,
      -- Supply a Kitty remote control password if needed,
      -- or you can also set vim.g.smart_splits_kitty_password
      -- see https://sw.kovidgoyal.net/kitty/conf/#opt-kitty.remote_control_password
      kitty_password = nil,
      -- default logging level, one of: 'trace'|'debug'|'info'|'warn'|'error'|'fatal'
      log_level = 'info',
      persistent_resize_mode = true,
    }

    -- vim.keymap.set('n', '<C-w>r', require('smart-splits').start_resize_mode, { desc = 'Start resize mode' })
    vim.keymap.set('n', '<A-l>', require('smart-splits').move_cursor_right, { desc = 'Move right' })
    vim.keymap.set('n', '<A-h>', require('smart-splits').move_cursor_left, { desc = 'Move left' })
    vim.keymap.set('n', '<A-j>', require('smart-splits').move_cursor_down, { desc = 'Move down' })
    vim.keymap.set('n', '<A-k>', require('smart-splits').move_cursor_up, { desc = 'Move up' })

    -- Resize
    local submode = require 'submode'
    submode.create('WinResize', {
      mode = 'n',
      enter = '<C-w>r',
      leave = { '<Esc>', 'q', '<C-c>' },
      hook = {
        on_enter = function()
          vim.notify 'Use { h, j, k, l } or { <Left>, <Down>, <Up>, <Right> } to resize the window'
        end,
        on_leave = function()
          vim.notify ''
        end,
      },
      default = function(register)
        register('h', require('smart-splits').resize_left, { desc = 'Resize left' })
        register('j', require('smart-splits').resize_down, { desc = 'Resize down' })
        register('k', require('smart-splits').resize_up, { desc = 'Resize up' })
        register('l', require('smart-splits').resize_right, { desc = 'Resize right' })
        register('<Left>', require('smart-splits').resize_left, { desc = 'Resize left' })
        register('<Down>', require('smart-splits').resize_down, { desc = 'Resize down' })
        register('<Up>', require('smart-splits').resize_up, { desc = 'Resize up' })
        register('<Right>', require('smart-splits').resize_right, { desc = 'Resize right' })
      end,
    })
  end,
}