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auto-completion: manual help tooltip and minor fix 

New value `manual` for auto-completion-enable-help-tooltip enables the
user to display help tooltip on-demand. Other values remain the same:
nil for no tooltip at all, t (or any non-nil non-manual value) for
automatic tooltip.

Minor fix: call `company-quickhelp-mode` just once, because it's a
global minor-mode.
This commit is contained in:
bmag 2016-08-26 15:37:05 +03:00 committed by Eivind Fonn
parent d202ead5fa
commit 6d454a2313
3 changed files with 25 additions and 10 deletions
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23
layers/+completion/auto-completion/README.org
View File

@ -102,7 +102,8 @@ the popup, set the variable =auto-completion-enable-snippets-in-popup= to =t=.
#+END_SRC
** Tooltips
To enable docstring tooltips set =auto-completion-enable-help-tooltip= to =t=
To enable automatic docstring tooltips set =auto-completion-enable-help-tooltip=
to =t=.
#+BEGIN_SRC emacs-lisp
(setq-default dotspacemacs-configuration-layers
@ -110,6 +111,15 @@ To enable docstring tooltips set =auto-completion-enable-help-tooltip= to =t=
auto-completion-enable-help-tooltip t)))
#+END_SRC
To enable manual non-automatic invocation of docstring tooltips, set it to
=manual=. The tooltip can be invoked manually by pressing ~M-h~.
#+BEGIN_SRC emacs-lisp
(setq-default dotspacemacs-configuration-layers
'((auto-completion :variables
auto-completion-enable-help-tooltip 'manual)))
#+END_SRC
** Sort results by usage
To enable sorting auto-completion results by their usage frequency set
=auto-completion-enable-sort-by-usage= to =t=.
@ -197,11 +207,12 @@ For nicer-looking faces, try adding the following to `custom-set-faces` in your
* Key Bindings
** Company
| Key Binding | Description |
|-------------+--------------------------------------------------------------------------|
| ~C-d~ | open minibuffer with documentation of thing at point in company dropdown |
| ~C-/~ | show candidates in Helm (for fuzzy searching) |
| ~C-M-/~ | filter the company dropdown menu |
| Key Binding | Description |
|-------------+------------------------------------------------------------------------------------------------------|
| ~C-d~ | open minibuffer with documentation of thing at point in company dropdown |
| ~C-/~ | show candidates in Helm (for fuzzy searching) |
| ~C-M-/~ | filter the company dropdown menu |
| ~M-h~ | show current candidate's documentation in a tooltip (requires =auto-completion-enable-help-tooltip=) |
Vim Style:

4
layers/+completion/auto-completion/config.el
View File

@ -37,7 +37,9 @@ selection.")
"If non nil suggestions are sorted by how often they are used.")
(defvar auto-completion-enable-help-tooltip nil
"If non nil the docstring appears in a tooltip.")
"If non nil the docstring appears in a tooltip.
If set to `manual', help tooltip appears only when invoked
manually.")
(defvar company-mode-completion-cancel-keywords
'("do"

8
layers/+completion/auto-completion/packages.el
View File

@ -114,12 +114,14 @@
(defun auto-completion/init-company-quickhelp ()
(use-package company-quickhelp
:defer t
:commands company-quickhelp-manual-begin
:init
(spacemacs|do-after-display-system-init
(add-hook 'company-mode-hook 'company-quickhelp-mode)
(with-eval-after-load 'company
(setq company-frontends (delq 'company-echo-metadata-frontend company-frontends))))))
(setq company-frontends (delq 'company-echo-metadata-frontend company-frontends))
(define-key company-active-map (kbd "M-h") #'company-quickhelp-manual-begin)
(unless (eq auto-completion-enable-help-tooltip 'manual)
(company-quickhelp-mode))))))
(defun auto-completion/init-helm-c-yasnippet ()
(use-package helm-c-yasnippet