1 files changed, 165 insertions, 0 deletions
diff --git a/lua/lvim/builtin/terminal.lua b/lua/lvim/builtin/terminal.lua
new file mode 100644
index 00000000..2fc8ea9c
--- /dev/null
+++ b/lua/lvim/builtin/terminal.lua
@@ -0,0 +1,165 @@
+local M = {}
+local Log = require "lvim.core.log"
+
+M.config = function()
+  lvim.builtin["terminal"] = {
+    active = true,
+    -- size can be a number or function which is passed the current terminal
+    size = 20,
+    open_mapping = [[<c-\>]],
+    hide_numbers = true, -- hide the number column in toggleterm buffers
+    shade_filetypes = {},
+    shade_terminals = true,
+    shading_factor = 2, -- the degree by which to darken to terminal colour, default: 1 for dark backgrounds, 3 for light
+    start_in_insert = true,
+    insert_mappings = true, -- whether or not the open mapping applies in insert mode
+    persist_size = false,
+    -- direction = 'vertical' | 'horizontal' | 'window' | 'float',
+    direction = "float",
+    close_on_exit = true, -- close the terminal window when the process exits
+    shell = vim.o.shell, -- change the default shell
+    -- This field is only relevant if direction is set to 'float'
+    float_opts = {
+      -- The border key is *almost* the same as 'nvim_win_open'
+      -- see :h nvim_win_open for details on borders however
+      -- the 'curved' border is a custom border type
+      -- not natively supported but implemented in this plugin.
+      -- border = 'single' | 'double' | 'shadow' | 'curved' | ... other options supported by win open
+      border = "curved",
+      -- width = <value>,
+      -- height = <value>,
+      winblend = 0,
+      highlights = {
+        border = "Normal",
+        background = "Normal",
+      },
+    },
+    -- Add executables on the config.lua
+    -- { cmd, keymap, description, direction, size }
+    -- lvim.builtin.terminal.execs = {...} to overwrite
+    -- lvim.builtin.terminal.execs[#lvim.builtin.terminal.execs+1] = {"gdb", "tg", "GNU Debugger"}
+    -- TODO: pls add mappings in which key and refactor this
+    execs = {
+      { nil, "<M-1>", "Horizontal Terminal", "horizontal", 0.3 },
+      { nil, "<M-2>", "Vertical Terminal", "vertical", 0.4 },
+      { nil, "<M-3>", "Float Terminal", "float", nil },
+    },
+  }
+end
+
+--- Get current buffer size
+---@return {width: number, height: number}
+local function get_buf_size()
+  local cbuf = vim.api.nvim_get_current_buf()
+  local bufinfo = vim.tbl_filter(function(buf)
+    return buf.bufnr == cbuf
+  end, vim.fn.getwininfo(vim.api.nvim_get_current_win()))[1]
+  if bufinfo == nil then
+    return { width = -1, height = -1 }
+  end
+  return { width = bufinfo.width, height = bufinfo.height }
+end
+
+--- Get the dynamic terminal size in cells
+---@param direction number
+---@param size number
+---@return integer
+local function get_dynamic_terminal_size(direction, size)
+  size = size or lvim.builtin.terminal.size
+  if direction ~= "float" and tostring(size):find(".", 1, true) then
+    size = math.min(size, 1.0)
+    local buf_sizes = get_buf_size()
+    local buf_size = direction == "horizontal" and buf_sizes.height or buf_sizes.width
+    return buf_size * size
+  else
+    return size
+  end
+end
+
+M.setup = function()
+  local terminal = require "toggleterm"
+  terminal.setup(lvim.builtin.terminal)
+
+  for i, exec in pairs(lvim.builtin.terminal.execs) do
+    local direction = exec[4] or lvim.builtin.terminal.direction
+
+    local opts = {
+      cmd = exec[1] or lvim.builtin.terminal.shell,
+      keymap = exec[2],
+      label = exec[3],
+      -- NOTE: unable to consistently bind id/count <= 9, see #2146
+      count = i + 100,
+      direction = direction,
+      size = function()
+        return get_dynamic_terminal_size(direction, exec[5])
+      end,
+    }
+
+    M.add_exec(opts)
+  end
+
+  return terminal
+end
+
+M.add_exec = function(opts)
+  local binary = opts.cmd:match "(%S+)"
+  if vim.fn.executable(binary) ~= 1 then
+    Log:debug("Skipping configuring executable " .. binary .. ". Please make sure it is installed properly.")
+    return
+  end
+
+  vim.keymap.set({ "n", "t" }, opts.keymap, function()
+    M._exec_toggle { cmd = opts.cmd, count = opts.count, direction = opts.direction, size = opts.size() }
+  end, { desc = opts.label, noremap = true, silent = true })
+end
+
+M._exec_toggle = function(opts)
+  local Terminal = require("toggleterm.terminal").Terminal
+  local term = Terminal:new { cmd = opts.cmd, count = opts.count, direction = opts.direction }
+  term:toggle(opts.size, opts.direction)
+end
+
+---Toggles a log viewer according to log.viewer.layout_config
+---@param logfile string the fullpath to the logfile
+M.toggle_log_view = function(logfile)
+  local log_viewer = lvim.log.viewer.cmd
+  if vim.fn.executable(log_viewer) ~= 1 then
+    log_viewer = "less +F"
+  end
+  Log:debug("attempting to open: " .. logfile)
+  log_viewer = log_viewer .. " " .. logfile
+  local term_opts = vim.tbl_deep_extend("force", lvim.builtin.terminal, {
+    cmd = log_viewer,
+    open_mapping = lvim.log.viewer.layout_config.open_mapping,
+    direction = lvim.log.viewer.layout_config.direction,
+    -- TODO: this might not be working as expected
+    size = lvim.log.viewer.layout_config.size,
+    float_opts = lvim.log.viewer.layout_config.float_opts,
+  })
+
+  local Terminal = require("toggleterm.terminal").Terminal
+  local log_view = Terminal:new(term_opts)
+  log_view:toggle()
+end
+
+M.lazygit_toggle = function()
+  local Terminal = require("toggleterm.terminal").Terminal
+  local lazygit = Terminal:new {
+    cmd = "lazygit",
+    hidden = true,
+    direction = "float",
+    float_opts = {
+      border = "none",
+      width = 100000,
+      height = 100000,
+    },
+    on_open = function(_)
+      vim.cmd "startinsert!"
+    end,
+    on_close = function(_) end,
+    count = 99,
+  }
+  lazygit:toggle()
+end
+
+return M