misc(nvim): configure fzf to mirror ~/.config/fzf/fzf.bash

1 files changed, 43 insertions, 0 deletions

diff --git a/.config/nvim/plugin/50-fzf-lua.lua b/.config/nvim/plugin/50-fzf-lua.lua
index 805bd20..e6d0402 100644
--- a/.config/nvim/plugin/50-fzf-lua.lua
+++ b/.config/nvim/plugin/50-fzf-lua.lua
@@ -8,6 +8,20 @@ vim.env.FZF_DEFAULT_OPTS = nil
 
 local fzf = require("fzf-lua")
 
+-- Copy selected entries' paths to the clipboard (icon-stripped via entry_to_file).
+local function copy_to_clipboard(selected, opts)
+	local entry_to_file = require("fzf-lua.path").entry_to_file
+	vim.fn.setreg(
+		"+",
+		table.concat(
+			vim.tbl_map(function(sel)
+				return entry_to_file(sel, opts).path
+			end, selected),
+			"\n"
+		)
+	)
+end
+
 fzf.setup({
 	winopts = {
 		preview = {
@@ -15,6 +29,35 @@ fzf.setup({
 			flip_columns = 120,
 		},
 	},
+	-- Mirror the shell fzf bindings from ~/.config/fzf/fzf.bash. Note: fzf-lua
+	-- uses a Neovim-rendered previewer, so preview moving/hiding lives in
+	-- `keymap.builtin`, not fzf's native `change-preview-window`.
+	-- The leading `true` inherits fzf-lua's defaults; without it these tables
+	-- replace the defaults outright (losing enter, ctrl-z, <F4>, etc.).
+	keymap = {
+		fzf = {
+			true,
+			["tab"] = "down", -- navigate instead of fzf's default toggle
+			["btab"] = "up",
+			["ctrl-y"] = "toggle", -- multi-select toggle (tab no longer does it)
+		},
+		builtin = {
+			true,
+			["<M-/>"] = "toggle-preview", -- show/hide preview
+		},
+	},
+	actions = {
+		files = { true, ["alt-y"] = copy_to_clipboard }, -- files + live_grep
+		buffers = { true, ["alt-y"] = copy_to_clipboard },
+	},
+	-- Sticky footer of keybinding hints, like --footer in ~/.config/fzf/fzf.bash.
+	fzf_opts = {
+		["--footer"] = table.concat({
+			"Alt+Y\tcopy to clipboard",
+			"Ctrl+Y\ttoggle selection",
+			"Alt+/\tshow/hide preview",
+		}, "\n"),
+	},
 })
 
 vim.keymap.set("n", "<Leader>ff", fzf.files, { desc = "Fuzzy-find files" })