fix(ui): comprehensive UI fixes

- fix: sync on UI save (#377)
- fix: ensure buf is loaded on select (#383)
- fix: remove angle brackets from Escape mapping rhs (#379, #385)
- fix: incorrect function call in run_toggle_command (#379)
- refactor: use buf-local autocmds
- refactor: use Lua API to create BufModifiedSet autocmd

fixes #383, #385, #379, #377, #358

lua/harpoon/buffer.lua

@@ -24,7 +24,7 @@ end
 function M.run_toggle_command(key)
     local harpoon = require("harpoon")
     harpoon.logger:log("toggle by keymap '" .. key .. "'")
-    harpoon.ui:select_menu_item()
+    harpoon.ui:toggle_quick_menu()
 end
 
 ---TODO: I don't know how to do what i want to do, but i want to be able to
@@ -63,7 +63,7 @@ function M.setup_autocmds_and_keymaps(bufnr)
         bufnr,
         "n",
         "<ESC>",
-        "<Cmd>lua require('harpoon.buffer').run_toggle_command('<ESC>')<CR>",
+        "<Cmd>lua require('harpoon.buffer').run_toggle_command('Esc')<CR>",
         { silent = true }
     )
     vim.api.nvim_buf_set_keymap(
@@ -86,16 +86,17 @@ function M.setup_autocmds_and_keymaps(bufnr)
         )
     end
     --]]
-    vim.cmd(
-        string.format(
-            "autocmd BufModifiedSet <buffer=%s> set nomodified",
-            bufnr
-        )
-    )
+    vim.api.nvim_create_autocmd("BufModifiedSet", {
+        buffer = bufnr,
+        group = HarpoonGroup,
+        callback = function()
+            vim.api.nvim_buf_set_option(bufnr, "modified", false)
+        end,
+    })
 
     vim.api.nvim_create_autocmd({ "BufWriteCmd" }, {
         group = HarpoonGroup,
-        pattern = "__harpoon*",
+        buffer = bufnr,
         callback = function()
             require("harpoon").ui:save()
             vim.schedule(function()
@@ -107,7 +108,7 @@ function M.setup_autocmds_and_keymaps(bufnr)
 
     vim.api.nvim_create_autocmd({ "BufLeave" }, {
         group = HarpoonGroup,
-        pattern = "__harpoon*",
+        buffer = bufnr,
         callback = function()
             require("harpoon").logger:log("toggle by BufLeave")
             require("harpoon").ui:toggle_quick_menu()

lua/harpoon/config.lua

@@ -117,6 +117,10 @@ function M.get_default_config()
                     set_position = true
                     bufnr = vim.fn.bufnr(list_item.value, true)
                 end
+                if not vim.api.nvim_buf_is_loaded(bufnr) then
+                    vim.fn.bufload(bufnr)
+                    vim.api.nvim_buf_set_option(bufnr, "buflisted", true)
+                end
 
                 if options.vsplit then
                     vim.cmd("vsplit")

lua/harpoon/ui.lua

@@ -107,7 +107,6 @@ end
 
 ---@param list? HarpoonList
 function HarpoonUI:toggle_quick_menu(list)
-
     if list == nil or self.win_id ~= nil then
         Logger:log("ui#toggle_quick_menu#closing", list and list.name)
         if self.settings.save_on_toggle then
@@ -154,6 +153,7 @@ function HarpoonUI:save()
     local list = Buffer.get_contents(self.bufnr)
     Logger:log("ui#save", list)
     self.active_list:resolve_displayed(list)
+    require("harpoon"):sync()
 end
 
 ---@param settings HarpoonSettings