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Description

This layer provides auto-completion in SpaceVim.

The following completion engines are supported:

Snippets are supported via neosnippet.

Install

To use this configuration layer, add the following snippet to your custom configuration file:

[[layers]]
  name = "autocomplete"

Configuration

Completion engine

By default, SpaceVim will choose the completion engine automatically based on your vim version. But you can choose the completion engine to be used with the following variable:

here is an example:

[options]
    autocomplete_method = "deoplete"

Snippets engine

The default snippets engine is neosnippet, the also can be changed to ultisnips:

[options]
    snippet_engine = "ultisnips"

The following snippets repos have been added by default:

If the snippet_engine is neosnippet, the following directories will be used:

You can provide additional directories by setting the variable g:neosnippet#snippets_directory which can take a string in case of a single path or a list of paths.

If the snippet_engine is ultisnips, the following directories will be used:

Complete parens

By default, the parens will be completed automatically, to disabled this feature:

[options]
    autocomplete_parens = false

Layer options

You can customize the user experience of autocompletion with the following layer variables:

  1. auto_completion_return_key_behavior set the action to perform when the Return/Enter key is pressed. the possible values are:
    • complete completes with the current selection
    • smart completes with current selection and expand snippet or argvs
    • nil By default it is complete.
  2. auto_completion_tab_key_behavior set the action to perform when the TAB key is pressed, the possible values are:
    • smart cycle candidates, expand snippets, jump parameters
    • complete completes with the current selection
    • cycle completes the common prefix and cycle between candidates
    • nil insert a carriage return By default it is complete.
  3. auto_completion_delay is a number to delay the completion after input in milliseconds, by default it is 50 ms.
  4. auto_completion_complete_with_key_sequence is a string of two characters denoting a key sequence that will perform a complete action if the sequence as been entered quickly enough. If its value is nil then the feature is disabled. NOTE: This option should not has same value as escape_key_binding
  5. auto_completion_complete_with_key_sequence_delay is the number of seconds to wait for the autocompletion key sequence to be entered. The default value is 1 seconds. This option is used for vim’s timeoutlen option in insert mode.

The default configuration of the layer is:

[[layers]]
  name = "autocomplete"
  auto_completion_return_key_behavior = "nil"
  auto_completion_tab_key_behavior = "smart"
  auto_completion_delay = 200
  auto_completion_complete_with_key_sequence = "nil"
  auto_completion_complete_with_key_sequence_delay = 0.1

jk is a good candidate for auto_completion_complete_with_key_sequence if you don’t use it already.

Show snippets in auto-completion popup

By default, snippets are shown in the auto-completion popup. To disable this feature, set the variable auto_completion_enable_snippets_in_popup to false.

[[layers]]
  name = "autocomplete"
  auto_completion_enable_snippets_in_popup = false

Key bindings

Completion

Key bindings Description
Ctrl-n select next candidate
Ctrl-p select previous candidate
<Tab> based on auto_completion_tab_key_behavior
Shift-Tab select previous candidate
<Return> based on auto_completion_return_key_behavior

Neosnippet

Key Binding Description
M-/ Expand a snippet if text before point is a prefix of a snippet
SPC i s List all current yasnippets for inserting

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