From c864a7d378da2a11afb09302b3220264e2aa3409 Mon Sep 17 00:00:00 2001
From: Folke Lemaitre <folke.lemaitre@gmail.com>
Date: Tue, 25 Feb 2025 13:53:12 +0100
Subject: [PATCH] feat(picker.input): added some ctrl+r keymaps similar to
 cmdline. Closes #1420

---
 lua/snacks/picker/actions.lua         | 23 +++++++++++++++++++++++
 lua/snacks/picker/config/defaults.lua |  7 +++++++
 2 files changed, 30 insertions(+)

diff --git a/lua/snacks/picker/actions.lua b/lua/snacks/picker/actions.lua
index 0e5b1f38..00d6b2ce 100644
--- a/lua/snacks/picker/actions.lua
+++ b/lua/snacks/picker/actions.lua
@@ -13,6 +13,9 @@ local M = {}
 ---@field field? string
 ---@field notify? boolean
 
+---@class snacks.picker.insert.Action: snacks.picker.Action
+---@field expr string
+
 ---@enum (key) snacks.picker.EditCmd
 local edit_cmd = {
   edit = "buffer",
@@ -197,6 +200,26 @@ function M.toggle_maximize(picker)
   picker.layout:maximize()
 end
 
+function M.insert(picker, _, action)
+  ---@cast action snacks.picker.insert.Action
+  if action.expr then
+    local value = ""
+    vim.api.nvim_buf_call(picker.input.filter.current_buf, function()
+      value = action.expr == "line" and vim.api.nvim_get_current_line() or vim.fn.expand(action.expr)
+    end)
+    vim.api.nvim_win_call(picker.input.win.win, function()
+      vim.api.nvim_put({ value }, "c", true, true)
+    end)
+  end
+end
+M.insert_cword = { action = "insert", expr = "<cword>" }
+M.insert_cWORD = { action = "insert", expr = "<cWORD>" }
+M.insert_filename = { action = "insert", expr = "%" }
+M.insert_file = { action = "insert", expr = "<cfile>" }
+M.insert_line = { action = "insert", expr = "line" }
+M.insert_file_full = { action = "insert", expr = "<cfile>:p" }
+M.insert_alt = { action = "insert", expr = "#" }
+
 function M.toggle_preview(picker)
   picker:toggle("preview")
 end
diff --git a/lua/snacks/picker/config/defaults.lua b/lua/snacks/picker/config/defaults.lua
index d4c95abc..d5c648a1 100644
--- a/lua/snacks/picker/config/defaults.lua
+++ b/lua/snacks/picker/config/defaults.lua
@@ -233,6 +233,13 @@ local defaults = {
         ["<c-t>"] = { "tab", mode = { "n", "i" } },
         ["<c-u>"] = { "list_scroll_up", mode = { "i", "n" } },
         ["<c-v>"] = { "edit_vsplit", mode = { "i", "n" } },
+        ["<c-r>#"] = { "insert_alt", mode = "i" },
+        ["<c-r>%"] = { "insert_filename", mode = "i" },
+        ["<c-r><c-a>"] = { "insert_cWORD", mode = "i" },
+        ["<c-r><c-f>"] = { "insert_file", mode = "i" },
+        ["<c-r><c-l>"] = { "insert_line", mode = "i" },
+        ["<c-r><c-p>"] = { "insert_file_full", mode = "i" },
+        ["<c-r><c-w>"] = { "insert_cword", mode = "i" },
         ["<c-w>H"] = "layout_left",
         ["<c-w>J"] = "layout_bottom",
         ["<c-w>K"] = "layout_top",