Done

lua/custom/plugins/toggleterm.lua

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+-- ToggleTerm configuration
+-- https://github.com/akinsho/toggleterm.nvim
+
+return {
+  'akinsho/toggleterm.nvim',
+  version = "*", -- use the latest stable version
+  event = "VeryLazy", -- lazy load on VeryLazy event
+  opts = {
+    -- Configuration options
+    size = function(term)
+      if term.direction == "horizontal" then
+        return 15  -- Set height for horizontal terminal
+      elseif term.direction == "vertical" then
+        return vim.o.columns * 0.4  -- 40% of screen width
+      end
+    end,
+    open_mapping = [[<C-\>]], -- Ctrl+\ to toggle terminal
+    hide_numbers = true, -- hide line numbers
+    shade_filetypes = {},
+    shade_terminals = true, -- apply shade to terminal
+    shading_factor = 2, -- degree of shading (1-3)
+    start_in_insert = true, -- start terminal in insert mode
+    insert_mappings = true, -- apply mappings in insert mode
+    persist_size = true,
+    direction = "float", -- 'vertical' | 'horizontal' | 'tab' | 'float'
+    close_on_exit = true, -- close terminal window when process exits
+    shell = vim.o.shell, -- use default shell
+    -- Float window settings
+    float_opts = {
+      border = "curved", -- 'single' | 'double' | 'shadow' | 'curved'
+      winblend = 0, -- transparency (0-100)
+      highlights = {
+        border = "Normal",
+        background = "Normal",
+      }
+    }
+  },
+  config = function(_, opts)
+    -- Initialize the plugin with provided options
+    require("toggleterm").setup(opts)
+    
+    -- Terminal keymaps
+    function _G.set_terminal_keymaps()
+      local keymap_opts = {buffer = 0, noremap = true, silent = true}
+      -- Escape terminal mode with Esc key
+      vim.keymap.set('t', '<Esc>', [[<C-\><C-n>]], keymap_opts)
+      -- Terminal navigation
+      vim.keymap.set('t', '<C-h>', [[<C-\><C-n><C-W>h]], keymap_opts)
+      vim.keymap.set('t', '<C-j>', [[<C-\><C-n><C-W>j]], keymap_opts)
+      vim.keymap.set('t', '<C-k>', [[<C-\><C-n><C-W>k]], keymap_opts)
+      vim.keymap.set('t', '<C-l>', [[<C-\><C-n><C-W>l]], keymap_opts)
+      -- Paste in terminal mode
+      vim.keymap.set('t', '<C-v>', [[<C-\><C-n>pi]], keymap_opts)
+    end
+
+    -- Auto-command to apply terminal keymaps when terminal opens
+    vim.cmd('autocmd! TermOpen term://* lua set_terminal_keymaps()')
+
+    -- Create additional keymaps for different terminal layouts
+    vim.keymap.set('n', '<leader>tf', ':ToggleTerm direction=float<CR>', {noremap = true, desc = "Toggle floating terminal"})
+    vim.keymap.set('n', '<leader>th', ':ToggleTerm direction=horizontal<CR>', {noremap = true, desc = "Toggle horizontal terminal"})
+    vim.keymap.set('n', '<leader>tv', ':ToggleTerm direction=vertical<CR>', {noremap = true, desc = "Toggle vertical terminal"})
+    vim.keymap.set('n', '<leader>tt', ':ToggleTerm direction=tab<CR>', {noremap = true, desc = "Toggle tab terminal"})
+    
+    -- Numbered terminals
+    vim.keymap.set('n', '<leader>t1', ':1ToggleTerm<CR>', {noremap = true, desc = "Toggle terminal #1"})
+    vim.keymap.set('n', '<leader>t2', ':2ToggleTerm<CR>', {noremap = true, desc = "Toggle terminal #2"})
+    vim.keymap.set('n', '<leader>t3', ':3ToggleTerm<CR>', {noremap = true, desc = "Toggle terminal #3"})
+    
+    -- Creating a lazygit terminal
+    local Terminal = require('toggleterm.terminal').Terminal
+    local lazygit = Terminal:new({
+      cmd = "lazygit",
+      dir = "git_dir",
+      direction = "float",
+      float_opts = {
+        border = "curved",
+      },
+      -- function to run on opening the terminal
+      on_open = function(term)
+        vim.cmd("startinsert!")
+        -- ESC twice to exit lazygit
+        vim.api.nvim_buf_set_keymap(term.bufnr, "n", "q", "<cmd>close<CR>", {noremap = true, silent = true})
+      end,
+    })
+
+    -- Function to toggle lazygit terminal
+    function _LAZYGIT_TOGGLE()
+      lazygit:toggle()
+    end
+    
+    -- Map lazygit toggle function to a key
+    vim.keymap.set('n', '<leader>lg', '<cmd>lua _LAZYGIT_TOGGLE()<CR>', {noremap = true, desc = "Toggle LazyGit"})
+    
+    -- Example for creating a custom Python REPL terminal
+    local python = Terminal:new({
+      cmd = "python",
+      direction = "horizontal",
+      close_on_exit = false,
+    })
+    
+    function _PYTHON_TOGGLE()
+      python:toggle()
+    end
+    
+    vim.keymap.set('n', '<leader>py', '<cmd>lua _PYTHON_TOGGLE()<CR>', {noremap = true, desc = "Toggle Python REPL"})
+  end,
+}