neovim part 6

.config/nvim/plugin/floater.lua

@@ -0,0 +1,92 @@
+---Opens a floating windo
+---@param buf? integer buffer-ID of buffer to put in thw window
+---@param w_percent? decimal width of floating window will be this * full width
+---@param h_percent? decimal height of floating window will be this * full height
+---@param opts any options to pass to nvim_open_win
+local function open_floating_win(buf, w_percent, h_percent, opts)
+  buf = buf or vim.api.nvim_create_buf(true, false)
+  w_percent = w_percent or 0.8
+  h_percent = h_percent or 0.8
+  local default_opts = {
+    relative = 'editor',
+    row = (vim.o.lines - vim.o.lines * h_percent)/2,
+    col = (vim.o.columns - vim.o.columns * w_percent)/2,
+    width = math.floor(vim.o.columns * w_percent),
+    height = math.floor(vim.o.lines * h_percent),
+    style = 'minimal',
+    border = 'rounded'
+  }
+  opts = vim.tbl_deep_extend('force', default_opts, opts or {})
+  vim.api.nvim_open_win(buf, true, opts)
+end
+
+local term_state = {
+  -1,
+  -1,
+  -1,
+  -1,
+  last_used = 1,
+  win = -1,
+}
+
+vim.api.nvim_create_user_command('Floaterminal', function(table)
+  -- TODO: update last_used buffer if it gets deleted
+
+  local is_new = false
+  if table.args ~= '' then
+
+    local num = tonumber(table.args)
+    if num < 1 or num > 4 then
+      error('numbers from 1 to 4 allowed only')
+    end
+    if not vim.api.nvim_win_is_valid(term_state.win) then
+      error('only specify arguments after opening the floaterminal')
+    end
+
+    if not vim.api.nvim_buf_is_valid(term_state[num]) then
+      term_state[num] = vim.api.nvim_create_buf(true, false)
+      is_new = true
+    end
+
+    term_state.last_used = num
+    vim.api.nvim_set_current_buf(term_state[num])
+
+  else
+
+    if not vim.api.nvim_buf_is_valid(term_state[term_state.last_used]) then
+      term_state[term_state.last_used] = vim.api.nvim_create_buf(true, false)
+      is_new = true
+    end
+
+    open_floating_win(term_state[term_state.last_used])
+
+    term_state.win = vim.api.nvim_get_current_win()
+
+  end
+
+  if is_new then
+    vim.cmd.term()
+  end
+  if vim.api.nvim_get_mode().mode == 'nt' then
+    vim.api.nvim_feedkeys('a', 'n', true)
+  end
+
+end, { nargs = '?', desc = 'open the floaterminaaal' })
+
+
+local oil_buf = -1
+
+vim.api.nvim_create_user_command('Floateroil', function()
+  local is_new = false
+  if not vim.api.nvim_buf_is_valid(oil_buf) then
+    oil_buf = vim.api.nvim_create_buf(true, false)
+    is_new = true
+  end
+
+  open_floating_win(oil_buf)
+  if is_new then
+    vim.cmd('Oil')
+  end
+
+end, { desc = 'open the floateroil' })
+