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echodoc.vim

Displays function signatures from completions in the command line.

example

Installation

Use a package manager and follow its instructions.

Note: echodoc requires v:completed_item feature. It is added in Vim 7.4.774.

Global options

Flag Default Description
g:echodoc#enable_at_startup 0 If the value of this variable is non-zero, echodoc is automatically enabled at startup.
g:echodoc#type "echo" Where the documentation is displayed. Choose between: "echo", "signature", "virtual" or "floating"
g:echodoc#events ['CompleteDone'] If the autocmd-events are fired, echodoc is enabled.
g:echodoc#highlight_identifier "Identifier" The highlight of identifier.
g:echodoc#highlight_arguments "Special" The highlight of current argument.
g:echodoc#highlight_trailing "Type" The highlight of trailing.

Type "echo" Usage

When using

let g:echodoc#type = "echo" " Default value

The command line is used to display echodoc text. This means that you will either need to set noshowmode or set cmdheight=2. Otherwise, the -- INSERT -- mode text will overwrite echodoc's text.

When you accept a completion for a function with <c-y>, echodoc will display the function signature in the command line and highlight the argument position your cursor is in.

Examples

Option 1:

" To use echodoc, you must increase 'cmdheight' value.
set cmdheight=2
let g:echodoc_enable_at_startup = 1

Option 2:

" Or, you could disable showmode alltogether.
set noshowmode
let g:echodoc_enable_at_startup = 1

Option 3:

" Or, you could use neovim's virtual virtual text feature.
let g:echodoc#enable_at_startup = 1
let g:echodoc#type = 'virtual'

Option 4:

" Or, you could use neovim's floating text feature.
let g:echodoc#enable_at_startup = 1
let g:echodoc#type = 'floating'
" To use a custom highlight for the float window,
" change Pmenu to your highlight group
highlight link EchoDocFloat Pmenu

Option 5:

" Or, you could use vim's popup window feature.
let g:echodoc#enable_at_startup = 1
let g:echodoc#type = 'popup'
" To use a custom highlight for the popup window,
" change Pmenu to your highlight group
highlight link EchoDocPopup Pmenu