add hop.nvim plugin

init.lua

@@ -1,4 +1,4 @@
-vim.opt.runtimepath:append(',~/.config/nvim/lua')
+-- vim.opt.runtimepath:append(',~/.config/nvim/lua')
 require "plugin"
 
 -- Automatically source and re-compile packer whenever you save this init.lua
@@ -260,10 +260,23 @@ require('fidget').setup()
 --
 -- vim.cmd([[COQnow -s]])
 
+local hop = require('hop')
+local directions = require('hop.hint').HintDirection
+vim.keymap.set('n', '<leader>f', function()
+  hop.hint_words({ direction = directions.AFTER_CURSOR, current_line_only = false })
+end, {remap=true})
+
+vim.keymap.set('n', '<leader>F', function()
+  hop.hint_words({ direction = directions.BEFORE_CURSOR, current_line_only = false })
+end, {remap=true})
+
 -- nvim-cmp setup
 local cmp = require 'cmp'
 local luasnip = require 'luasnip'
 
+-- load luasnip snippets
+-- require("luasnip.loaders.from_lua").load({paths = "~/.config/nvim/luasnip/"})
+
 cmp.setup {
   snippet = {
     expand = function(args)
@@ -290,8 +303,8 @@ cmp.setup {
     ['<S-Tab>'] = cmp.mapping(function(fallback)
       if cmp.visible() then
         cmp.select_prev_item()
-      -- elseif luasnip.jumpable(-1) then
-      --   luasnip.jump(-1)
+      elseif luasnip.expand_or_jumpable() then
+        luasnip.expand_or_jump()
       else
         fallback()
       end

lua/keymap.lua

@@ -20,6 +20,15 @@ vim.keymap.set('n', '<C-j>', '<C-w>j', {desc = 'window navigation', silent = tru
 vim.keymap.set('n', '<C-k>', '<C-w>k', {desc = 'window navigation', silent = true})
 vim.keymap.set('n', '<C-l>', '<C-w>l', {desc = 'window navigation', silent = true})
 
+-- toggleterm
+-- todo: maybe can use these kybindings simultaneously with hidden attribute
+-- https://github.com/akinsho/toggleterm.nvim/issues/322
+vim.keymap.set('n', '<C-x>', '<cmd>ToggleTerm direction=float<cr>', {desc = 'floating terminal'})
+vim.keymap.set('t', '<C-x>', 'exit<CR>', {desc = 'floating terminal'})
+
+vim.keymap.set('n', '<C-\\>', '<cmd>ToggleTerm direction=horizontal<cr>', {desc = 'horizontal terminal'})
+vim.keymap.set('t', '<C-\\>', '<Cmd>ToggleTerm<CR>', {desc = 'horizontal terminal'})
+
 -- vsplit
 vim.keymap.set('n', '<|>', ':vsplit<CR>', {desc = 'Vertical split', remap = true})
 

lua/option.lua

@@ -3,13 +3,14 @@
 
 -- tabs
 vim.o.tabstop = 4
+vim.o.expandtab = true
 vim.o.shiftwidth = 4
 
 -- Set highlight on search
 vim.o.hlsearch = false
 
 -- Make line numbers default
--- vim.wo.number = true
+vim.wo.number = true
 vim.wo.relativenumber = true
 
 -- Enable mouse mode

lua/plugin.lua

@@ -11,6 +11,12 @@ require('packer').startup({function(use)
   -- Package manager
   use 'wbthomason/packer.nvim'
 
+  use {
+    -- Useful status updates for LSP
+    'j-hui/fidget.nvim',
+    branch = 'legacy',
+  }
+
   use { -- LSP Configuration & Plugins
     'neovim/nvim-lspconfig',
     requires = {
@@ -18,8 +24,6 @@ require('packer').startup({function(use)
       'williamboman/mason.nvim',
       'williamboman/mason-lspconfig.nvim',
 
-      -- Useful status updates for LSP
-      'j-hui/fidget.nvim',
 
       -- Additional lua configuration, makes nvim stuff amazing
       'folke/neodev.nvim',
@@ -38,6 +42,15 @@ require('packer').startup({function(use)
     end
   }
 
+  use {
+    'phaazon/hop.nvim',
+    branch = 'v2', -- optional but strongly recommended
+    config = function()
+      -- you can configure Hop the way you like here; see :h hop-config
+      require'hop'.setup { keys = 'etovxqpdgfblzhckisuran' }
+    end
+  }
+
   use { -- Autocompletion
     'hrsh7th/nvim-cmp',
     requires = { 'hrsh7th/cmp-nvim-lsp', 'L3MON4D3/LuaSnip', 'saadparwaiz1/cmp_luasnip' },
@@ -61,6 +74,9 @@ require('packer').startup({function(use)
       pcall(require('nvim-treesitter.install').update { with_sync = true })
     end,
   }
+  use {
+    'nvim-treesitter/playground',
+}
 
   use { -- Additional text objects via treesitter
     'nvim-treesitter/nvim-treesitter-textobjects',
@@ -77,9 +93,28 @@ require('packer').startup({function(use)
       -- your configuration comes here
       -- or leave it empty to use the default settings
       -- refer to the configuration section below
+    -- plugins = {
+    -- marks = true, -- shows a list of your marks on ' and `
+    -- registers = false, -- shows your registers on " in NORMAL or <C-r> in INSERT mode
+    -- -- the presets plugin, adds help for a bunch of default keybindings in Neovim
+    -- -- No actual key bindings are created
+    -- spelling = {
+    --   enabled = true, -- enabling this will show WhichKey when pressing z= to select spelling suggestions
+    --   suggestions = 20, -- how many suggestions should be shown in the list?
+    -- },
+    -- presets = {
+    --   operators = true, -- adds help for operators like d, y, ...
+    --   motions = true, -- adds help for motions
+    --   text_objects = true, -- help for text objects triggered after entering an operator
+    --   windows = true, -- default bindings on <c-w>
+    --   nav = true, -- misc bindings to work with windows
+    --   z = true, -- bindings for folds, spelling and others prefixed with z
+    --   g = true, -- bindings for prefixed with g
+    -- },
+    -- },
     }
   end
-  }
+}
 
   -- file explorer
   use {
@@ -99,8 +134,7 @@ require('packer').startup({function(use)
   -- toggleterm
   use {"akinsho/toggleterm.nvim", tag = '*', config = function()
     require("toggleterm").setup{
-       open_mapping = [[<c-\>]],
-
+      open_mapping = [[<c-_>]],
     }
   end}
 
@@ -121,6 +155,8 @@ require('packer').startup({function(use)
   use 'tpope/vim-rhubarb'
   use 'lewis6991/gitsigns.nvim'
 
+  use 'lervag/vimtex'
+
   use 'sainnhe/sonokai'
   use 'navarasu/onedark.nvim' -- Theme inspired by Atom
   use 'nvim-lualine/lualine.nvim' -- Fancier statusline