feat(extra): add <C-e> mapping for pickers.history

Author: TheLeoP

CHANGELOG.md

@@ -55,6 +55,8 @@ There are following change types:
 
 - Add `pickers.colorschemes` picker. By @pkazmier, PR #1789.
 
+- Add `<C-e>` mapping for `pickers.history` picker to edit commands or searches in cmdline. By @TheLeoP, PR #1960.
+
 ## mini.files
 
 ### Refine

doc/mini-extra.txt

@@ -512,13 +512,16 @@ Return ~
                `MiniExtra.pickers.history`({local_opts}, {opts})
 Neovim history picker
 
-Pick from output of |:history|.
+Pick from output of |:history|. Use `<C-e>` to edit current match in
+Command line.
+
 Notes:
 - Has no preview.
 - Choosing action depends on scope:
     - For "cmd" / ":" scopes, the command is executed.
     - For "search" / "/" / "?" scopes, search is redone.
     - For other scopes nothing is done (but chosen item is still returned).
+- `<C-e>` only works for "cmd" / ":" / "search" / "/" / "?" scopes.
 
 Examples ~
 

lua/mini/extra.lua

@@ -921,13 +921,16 @@ end
 
 --- Neovim history picker
 ---
---- Pick from output of |:history|.
+--- Pick from output of |:history|. Use `<C-e>` to edit current match in
+--- Command line.
+---
 --- Notes:
 --- - Has no preview.
 --- - Choosing action depends on scope:
 ---     - For "cmd" / ":" scopes, the command is executed.
 ---     - For "search" / "/" / "?" scopes, search is redone.
 ---     - For other scopes nothing is done (but chosen item is still returned).
+--- - `<C-e>` only works for "cmd" / ":" / "search" / "/" / "?" scopes.
 ---
 --- Examples ~
 ---
@@ -978,6 +981,16 @@ MiniExtra.pickers.history = function(local_opts, opts)
     end
   end
 
+  local edit_command = function()
+    local cur_match = MiniPick.get_picker_matches().current
+    local cur_scope, cur_item = cur_match:match('^(.) (.*)$')
+    if not (cur_scope == ':' or cur_scope == '/' or cur_scope == '?') then return end
+    vim.schedule(function() vim.api.nvim_input(cur_scope .. cur_item) end)
+    return true
+  end
+  local mappings = { edit_command = { char = '<C-e>', func = edit_command } }
+
+  opts = vim.tbl_deep_extend('force', opts or {}, { mappings = mappings })
   local default_source = { name = string.format('History (%s)', scope), preview = preview, choose = choose }
   return H.pick_start(items, { source = default_source }, opts)
 end

tests/test_extra.lua

@@ -2463,6 +2463,36 @@ T['pickers']['history()']['validates arguments'] = function()
   validate({ scope = '1' }, '`pickers%.history`.*"scope".*"1".*one of')
 end
 
+T['pickers']['history()']['has custom "edit_command" mapping'] = function()
+  local validate = function(type, content, active)
+    eq(child.fn.getcmdtype(), type)
+    eq(child.fn.getcmdline(), content)
+    eq(is_picker_active(), active)
+    type_keys('<C-c>')
+  end
+
+  pick_history()
+  eq(child.lua_get('MiniPick.get_picker_opts().mappings.edit_command.char'), '<C-e>')
+  type_keys(':', '<C-e>')
+  validate(':', 'lua _G.n = _G.n + 2', false)
+
+  pick_history()
+  type_keys('/', '<C-e>')
+  validate('/', 'bbb', false)
+
+  pick_history()
+  type_keys('@', '<C-e>')
+  validate('', '', true)
+
+  pick_history({ scope = ':' })
+  type_keys('<C-e>')
+  validate(':', 'lua _G.n = _G.n + 2', false)
+
+  pick_history({ scope = '/' })
+  type_keys('<C-e>')
+  validate('/', 'bbb', false)
+end
+
 T['pickers']['hl_groups()'] = new_set()
 
 local pick_hl_groups = forward_lua_notify('MiniExtra.pickers.hl_groups')