feat: Show popup message as reminder, clears after x seconds (#5)

README.md

@@ -35,6 +35,8 @@ require("stopinsert").setup()
 | Items                 | Type      | Default Value      | Description    |
 | --------------------- | --------- | ------------------ | -------------- |
 | `idle_time_ms`        | number    | `5000` (5 seconds) | Maximum time (in milliseconds) before you are forced out of Insert mode back to Normal mode. |
+| `show_popup_msg`      | boolean   | `true`            | Enable/disable popup message" |
+| `clear_popup_ms`      | number   | `5000`            | Maximum time (in milliseconds) for which the popup message hangs around |
 | `disabled_filetypes`  | list     | `{ "TelescopePrompt", "checkhealth", "help", "lspinfo", "mason", "neo%-tree*", }` | List of filetypes to exclude the effect of this plugin. |
 
 **NOTE:**

lua/stopinsert/config.lua

@@ -2,6 +2,8 @@ local M = {}
 
 M.config = {
    idle_time_ms = 5000,
+   show_popup_msg = true,
+   clear_popup_ms = 5000,
    disabled_filetypes = {
       "TelescopePrompt",
       "checkhealth",

lua/stopinsert/init.lua

@@ -1,7 +1,6 @@
 local M = {}
-local util = require("stopinsert.util")
-M.enable = true
 
+M.enable = true
 local user_cmds = {
    enable = function()
       M.enable = true
@@ -21,14 +20,18 @@ local user_cmds = {
    end,
 }
 
+local config = require("stopinsert.config")
+local util = require("stopinsert.util")
+
 ---@param opts table
 ---@return nil
 function M.setup(opts)
    opts = opts or {}
-   require("stopinsert.config").set(opts)
+   config.set(opts)
 
+   local plugin_autocmd_group = "StopInsertAutoCmd"
    vim.api.nvim_create_autocmd("InsertEnter", {
-      group = vim.api.nvim_create_augroup("InsertEnterListener", { clear = true }),
+      group = vim.api.nvim_create_augroup(plugin_autocmd_group, { clear = true }),
       callback = function()
          if not M.enable then
             return

lua/stopinsert/popup.lua

@@ -0,0 +1,39 @@
+local M = {}
+
+--- Create a simple popup message, positioned in the bottom right corner of the buffer
+--- Automatically close this popup after 5 seconds
+--- Courtersy of encourage.nvim
+---@param message string
+---@return nil
+function M.show(message)
+   local width = #message
+   local height = 1
+   local buf = vim.api.nvim_create_buf(false, true)
+   local current_win = vim.api.nvim_get_current_win()
+   local win_config = vim.api.nvim_win_get_config(current_win)
+   local win_width = win_config.width
+   local win_height = win_config.height
+
+   local opts = {
+      style = "minimal",
+      relative = "win",
+      win = current_win,
+      width = width,
+      height = height,
+      row = win_height - height - 2,
+      col = win_width - width - 2,
+      border = "rounded",
+   }
+
+   local win = vim.api.nvim_open_win(buf, false, opts)
+   vim.api.nvim_buf_set_lines(buf, 0, -1, false, { message })
+   vim.api.nvim_win_set_option(win, "winhl", "Normal:NormalFloat,FloatBorder:FloatBorder")
+
+   vim.defer_fn(function()
+      if vim.api.nvim_win_is_valid(win) then
+         vim.api.nvim_win_close(win, true)
+      end
+   end, 5000)
+end
+
+return M

lua/stopinsert/util.lua

@@ -1,11 +1,16 @@
 local M = {}
 local timer = nil
 local config = require("stopinsert.config").config
+local popup = require("stopinsert.popup")
 
 ---@return nil
 function M.force_exit_insert_mode()
    if vim.fn.mode() == "i" then
       vim.cmd("stopinsert")
+
+      if config.show_popup_msg then
+         popup.show("StopInsertPlug: You were idling in Insert mode. Remeber to <Esc> when you finish editing.")
+      end
    end
 end