Add floating terminal

Author: jkeresman01

README.md

@@ -18,6 +18,7 @@
    - [Aesthetics](#aesthetics)
 - [Remaps](#remaps)
    - [General](#general)
+   - [Floating terminal](#floating-terminal)
    - [Split navigation](#split-navigation)
    - [Set - Unset](#set-unset)
    - [LSP](#lsp)
@@ -124,6 +125,14 @@ nvim/
 | `<leader>s`   | Source file in current buffer   |
 
 
+### Floating terminal <a name="floating-terminal"></a> ###
+
+***
+| Keybind       | Action                     |
+|---------------|----------------------------|
+| `<leader>t`   | Toggle floating terminal   |
+
+
 ### Split navigation <a name="split-navigation"></a> ###
 ***
 | Keybind       | Action         |

after/plugin/floating_terminal.lua

@@ -0,0 +1,3 @@
+vim.keymap.set("n", "<leader>t", "<cmd>FloatingTerminal<cr>")
+vim.keymap.set("t", "<leader>t", "<cmd>FloatingTerminal<cr>")
+

plugin/floating_terminal.lua

@@ -0,0 +1,50 @@
+local state = {
+  floating = {
+    buf = -1,
+    win = -1,
+  }
+}
+
+local function create_floating_window(opts)
+  opts = opts or {}
+
+  local width = opts.width or math.floor(vim.o.columns * 0.8)
+  local height = opts.height or math.floor(vim.o.lines * 0.8)
+
+  local col = math.floor((vim.o.columns - width) / 2)
+  local row = math.floor((vim.o.lines - height) / 2)
+
+  local buf = nil
+  if vim.api.nvim_buf_is_valid(opts.buf) then
+    buf = opts.buf
+  else
+    buf = vim.api.nvim_create_buf(false, true)
+  end
+
+  local win_config = {
+    relative = "editor",
+    width = width,
+    height = height,
+    col = col,
+    row = row,
+    style = "minimal",
+    border = "rounded",
+  }
+
+  local win = vim.api.nvim_open_win(buf, true, win_config)
+
+  return { buf = buf, win = win }
+end
+
+local toggle_terminal = function()
+  if not vim.api.nvim_win_is_valid(state.floating.win) then
+    state.floating = create_floating_window { buf = state.floating.buf }
+    if vim.bo[state.floating.buf].buftype ~= "terminal" then
+      vim.cmd.terminal()
+    end
+  else
+    vim.api.nvim_win_hide(state.floating.win)
+  end
+end
+
+vim.api.nvim_create_user_command("FloatingTerminal", toggle_terminal, {})