add floating terminal

plugin/floaterminal.lua

@@ -0,0 +1,77 @@
+local terminals = {}
+
+local function create_floating_window(opts)
+  local opts = opts or {}
+
+  -- Get editor dimensions
+  local width = vim.o.columns
+  local height = vim.o.lines
+
+  -- Default size (80% of editor width and centered)
+  local win_width = opts.width or math.ceil(width * 0.8)
+  local win_height = opts.height or math.ceil(height * 0.8)
+
+  -- Position (centered)
+  local row = math.ceil((height - win_height) / 2)
+  local col = math.ceil((width - win_width) / 2)
+
+  -- Create a new buffer
+  local buf = nil
+  if opts.buf and vim.api.nvim_buf_is_valid(opts.buf) then
+    buf = opts.buf
+  else
+    buf = vim.api.nvim_create_buf(false, true)
+  end
+
+  -- Set window options
+  local win_opts = {
+    title = 'Terminal ' .. opts.name,
+    relative = 'editor',
+    width = win_width,
+    height = win_height,
+    row = row,
+    col = col,
+    style = 'minimal',
+    border = 'rounded',
+  }
+
+  -- Open the floating window
+  local win = vim.api.nvim_open_win(buf, true, win_opts)
+
+  return { buf = buf, win = win }
+end
+
+local function toggle_terminal(name)
+  if not name or name == '' then
+    return
+  end
+
+  -- Check if terminal exists for the given name
+  if terminals[name] and vim.api.nvim_buf_is_valid(terminals[name].buf) then
+    if vim.api.nvim_win_is_valid(terminals[name].win) then
+      -- If window exists, hide it
+      vim.api.nvim_win_hide(terminals[name].win)
+      return
+    else
+      -- Otherwise, reopen the floating terminal
+      terminals[name] = create_floating_window { buf = terminals[name].buf, name = name }
+      vim.cmd 'normal i'
+      return
+    end
+  end
+
+  -- If it doesn't exist, create a new floating terminal
+  terminals[name] = create_floating_window { name = name }
+  vim.cmd.terminal()
+  vim.cmd 'normal i'
+end
+
+local function handle_terminal_key()
+  vim.ui.input({ prompt = 'Enter terminal name: ' }, function(input)
+    if input then
+      toggle_terminal(input)
+    end
+  end)
+end
+
+vim.keymap.set('n', '<space>t', handle_terminal_key, { noremap = true, silent = true })