Any event to listen to for when the FzfLua window open/closes?

[Sebastian-Nielsen]

Basically the title. I cant seem to find anything about this in the docs. But, surely, there must be exposed one such event. 🙏

The reason why I need it is to be able to conditionally remove some other mappings when the FzfLua window is about to open and then remove them again after the window has closed again.

[ibhagwan]

No such event, perhaps you can use keymap.load event to setup a function to detect the previewer was called and use winopts.on_close to remove the mappings, this is what I do in the UI testing:

fzf-lua/lua/fzf-lua/test/helpers.lua

Lines 130 to 143 in 9b84b53

	child.setup = function(config)
	local lua_cmd = ([[
	require("fzf-lua").setup(vim.tbl_deep_extend("keep", ..., {
	%s
	winopts = {
	on_create = function() _G._fzf_lua_on_create = true end,
	on_close = function() _G._fzf_lua_on_create = nil end,
	},
	keymap = { fzf = {
	true,
	load = function() _G._fzf_load_called = true end,
	} }
	}))
	]])

[Sebastian-Nielsen]

Just to be clear, I am interested in the entire window (the one that contains everything: search bar, search results, code preview).
I am not that experienced with lua, would you mind showing how you would you use keymap.load?

I was expecting being able to do something along the lines of this: (but this doesn't work I am pretty sure)

vim.cmd([[
  augroup fzf_lua_window_open
    autocmd!
    autocmd User keymap.load lua print("keymap.load event fired. Here I want my logic ...")
  augroup END
]])

[ibhagwan]

Just to be clear, I am interested in the entire window (the one that contains everything: search bar, search results, code preview).

That’s very easy then use on_create and on_close:

require("fzf-lua").setup({
  winopts = {
    on_create = function(e)
        -- your code here, use vim.cmd("<vimL code>") if you don’t know lua
        -- can use e.winid and e.bufnr to set for specific buffer/win
        -- vim.keymap.set(…)
    end,
    on_close = function()
      -- your code here
      -- vim.keymap.del(…)
    end,
  }
})

I was expecting being able to do something along the lines of this: (but this doesn't work I am pretty sure)

if you wanna go the autocmd route use the FileType event matching fzf as the filetype, personally I’d use winopts.