a173d07252
Since Spacemacs set the idle delay to 0.0 for continuous completion offering, it is too much for backend like company-semantic, and probably other backends that require long processing time that should only be initiated when user is actually idle. company-semantic is not compatible with Spacemacs overall, so we should remove it otherwise it hangs Emacs.
114 lines
4.4 KiB
EmacsLisp
114 lines
4.4 KiB
EmacsLisp
(defvar company-mode-packages
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'(
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company
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company-tern
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company-c-headers
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company-quickhelp
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))
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(defvar company-mode-excluded-packages
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'(auto-complete ac-ispell tern-auto-complete auto-complete-clang edts)
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"Packages that use auto-complete that are no longer necessary and might conflict.")
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(defun company-mode/backend-with-yas (backend)
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(if (or (not company-mode-enable-yas)
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(and (listp backend) (member 'company-yasnippet backend))
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(eq 'company-semantic backend))
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backend
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(append (if (consp backend) backend (list backend))
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'(:with company-yasnippet))))
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(defun company-mode/init-company ()
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(use-package company
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:config
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(progn
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;; this isn't needed if we use tab instead of enter
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(if (not company-mode-use-tab-instead-of-enter)
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(progn
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(defun company-mode/keyword-cancel-transformer (candidates)
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"company frontend that cancels completion when a keyword is typed
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so that you don't have 'do' completed to 'downcase' in Ruby"
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(if (member company-prefix company-mode-completion-cancel-keywords) '() candidates))
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(setq
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company-transformers '(company-mode/keyword-cancel-transformer company-sort-by-occurrence))
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)
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(setq company-transformers '(company-sort-by-occurrence)) ;else
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)
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(setq company-idle-delay 0.0
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company-minimum-prefix-length 2
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company-require-match nil
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company-dabbrev-ignore-case nil
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company-dabbrev-downcase nil
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company-tooltip-flip-when-above t
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company-frontends '(company-pseudo-tooltip-frontend)
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company-clang-prefix-guesser 'company-mode/more-than-prefix-guesser)
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(global-company-mode 1)
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;; set completion key
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(company-mode/set-completion-key)
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(company-mode/setup-keybindings)
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(add-hook 'markdown-mode-hook '(lambda () (company-mode -1)))
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;; The default common face is a really ugly underlined thing with a different background.
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(custom-set-faces
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'(company-tooltip-common ((t (:inherit company-tooltip :weight bold :underline nil))))
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'(company-tooltip-common-selection ((t (:inherit company-tooltip-selection :weight bold :underline nil)))))
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(setq company-backends (mapcar #'company-mode/backend-with-yas company-backends))
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;; remove company-semantic since the value 0.0 is too low for Semantic to
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;; finish its job and make Emacs hanging due to company-semantic
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;; constantly requests Semantic to parse. We must remove it or change
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;; delay value. The delay value is more useful in other places, so we
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;; remove company-semantic
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(setq company-backends (remove 'company-semantic company-backends))
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(spacemacs|diminish company-mode " Ⓒ" " C"))))
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(defun company-mode/init-company-c-headers ()
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(use-package company-c-headers
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:defer t
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:init
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(add-to-list 'company-backends 'company-c-headers)))
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(defun company-mode/init-company-tern ()
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(use-package company-tern
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:defer t
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:init
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(add-to-list 'company-backends (company-mode/backend-with-yas 'company-tern))))
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(defun company-mode/setup-keybindings ()
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(progn
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(define-key company-active-map (kbd "C-j") 'company-select-next)
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(define-key company-active-map (kbd "C-k") 'company-select-previous)
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(define-key company-active-map (kbd "C-/") 'company-search-candidates)
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(define-key company-active-map (kbd "C-M-/") 'company-filter-candidates)
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(define-key company-active-map (kbd "C-d") 'company-show-doc-buffer)
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))
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(defun company-mode/set-completion-key ()
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(if company-mode-use-tab-instead-of-enter
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(progn
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(define-key company-active-map (kbd "TAB") 'company-complete-selection) ;have tab stand in for enter
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(define-key company-active-map (kbd "<tab>") 'company-complete-selection)
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(define-key company-active-map [tab] 'company-complete-selection)
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(define-key company-active-map [return] nil) ;disable enter
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(define-key company-active-map (kbd "RET") nil)
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)
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(progn
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;; Fix integration of company and yasnippet
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(define-key company-active-map (kbd "TAB") nil)
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(define-key company-active-map (kbd "<tab>") nil)
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(define-key company-active-map [tab] nil)
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)))
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(defun company-mode/init-company-quickhelp ()
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(use-package company-quickhelp
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:init
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(when (display-graphic-p)
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(add-hook 'company-mode-hook 'company-quickhelp-mode))))
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