Use <C-h> and support cmdwin

lua/cmp/core.lua

@@ -306,12 +306,12 @@ core.confirm = function(self, e, option, callback)
 
   -- Simulate `<C-y>` behavior.
   local confirm = {}
-  table.insert(confirm, keymap.t(string.rep('<C-g>U<Left><Del>', ctx.cursor.character - misc.to_utfindex(e.context.cursor_before_line, e:get_offset()))))
+  table.insert(confirm, keymap.t(string.rep('<C-h>', ctx.cursor.character - misc.to_utfindex(e.context.cursor_before_line, e:get_offset()))))
   table.insert(confirm, e:get_word())
   keymap.feedkeys(table.concat(confirm, ''), 'nt', function()
     -- Restore to the requested state.
     local restore = {}
-    table.insert(restore, keymap.t(string.rep('<C-g>U<Left><Del>', vim.fn.strchars(e:get_word()))))
+    table.insert(restore, keymap.t(string.rep('<C-h>', vim.fn.strchars(e:get_word()))))
     table.insert(restore, string.sub(e.context.cursor_before_line, e:get_offset()))
     keymap.feedkeys(table.concat(restore, ''), 'n', function()
       --@see https://github.com/microsoft/vscode/blob/main/src/vs/editor/contrib/suggest/suggestController.ts#L334
@@ -363,13 +363,13 @@ core.confirm = function(self, e, option, callback)
         table.insert(keys, keymap.t(string.rep('<Del>', completion_item.textEdit.range['end'].character - e.context.cursor.character)))
       end
       if completion_item.textEdit.range.start.character < e.context.cursor.character then
-        table.insert(keys, keymap.t(string.rep('<C-g>U<Left><Del>', e.context.cursor.character - completion_item.textEdit.range.start.character)))
+        table.insert(keys, keymap.t(string.rep('<C-h>', e.context.cursor.character - completion_item.textEdit.range.start.character)))
       end
 
       local is_snippet = completion_item.insertTextFormat == types.lsp.InsertTextFormat.Snippet
       if is_snippet then
         table.insert(keys, keymap.t('<C-g>u') .. e:get_word() .. keymap.t('<C-g>u'))
-        table.insert(keys, keymap.t(string.rep('<C-g>U<Left><Del>', vim.fn.strchars(e:get_word()))))
+        table.insert(keys, keymap.t(string.rep('<C-h>', vim.fn.strchars(e:get_word()))))
       else
         table.insert(keys, keymap.t('<C-g>u') .. completion_item.textEdit.newText .. keymap.t('<C-g>u'))
       end

lua/cmp/utils/misc.lua

@@ -15,6 +15,12 @@ misc.concat = function(list1, list2)
   return new_list
 end
 
+---Return is cmdwin or not.
+---@return boolean
+misc.is_cmdwin = function()
+  return vim.fn.getcmdwintype() ~= ''
+end
+
 ---Get cursor before line
 ---@return string
 misc.get_cursor_before_line = function()

lua/cmp/utils/window.lua

@@ -137,11 +137,11 @@ window.update = function(self)
     end
   else
     if self.swin1 and vim.api.nvim_win_is_valid(self.swin1) then
-      vim.api.nvim_win_close(self.swin1, false)
+      vim.api.nvim_win_close(self.swin1, true)
       self.swin1 = nil
     end
     if self.swin2 and vim.api.nvim_win_is_valid(self.swin2) then
-      vim.api.nvim_win_close(self.swin2, false)
+      vim.api.nvim_win_close(self.swin2, true)
       self.swin2 = nil
     end
   end

lua/cmp/view.lua

@@ -6,6 +6,7 @@ local docs_view = require('cmp.view.docs_view')
 local custom_entries_view = require('cmp.view.custom_entries_view')
 local native_entries_view = require('cmp.view.native_entries_view')
 local ghost_text_view = require('cmp.view.ghost_text_view')
+local misc = require('cmp.utils.misc')
 
 ---@class cmp.View
 ---@field public event cmp.Event
@@ -157,7 +158,7 @@ view._get_entries_view = function(self)
   self.native_entries_view.event:clear()
   self.custom_entries_view.event:clear()
 
-  if c.experimental.native_menu then
+  if c.experimental.native_menu or misc.is_cmdwin() then
     self.native_entries_view.event:on('change', function()
       self:on_entry_change()
     end)

lua/cmp/view/custom_entries_view.lua

@@ -290,7 +290,7 @@ end
 misc.set(_G, { 'cmp', 'view', 'custom_entries_view', '_insert', 'remove' }, function(offset)
   local cursor = vim.api.nvim_win_get_cursor(0)
   local length = vim.str_utfindex(string.sub(vim.api.nvim_get_current_line(), offset, cursor[2]))
-  return keymap.t(string.rep('<C-g>U<Left><Del>', length))
+  return keymap.t(string.rep('<C-h>', length))
 end)
 
 return custom_entries_view