6.9 KiB
6.9 KiB
API Demos
This appendix serves as a reference on how to use Doom Emacs' standard library. It is integrated into Helpful, in Doom.
Table of Contents TOC_3
Examples for Doom's core library
core-lib
add-hook!
;; With only one hook and one function, this is identical to `add-hook'. In that
;; case, use that instead.
(add-hook! 'some-mode-hook #'enable-something)
;; Adding many-to-many functions to hooks
(add-hook! some-mode #'enable-something #'and-another)
(add-hook! some-mode #'(enable-something and-another))
(add-hook! '(one-mode-hook second-mode-hook) #'enable-something)
(add-hook! (one-mode second-mode) #'enable-something)
;; Appending and local hooks
(add-hook! (one-mode second-mode) :append #'enable-something)
(add-hook! (one-mode second-mode) :local #'enable-something)
;; With arbitrary forms
(add-hook! (one-mode second-mode) (setq v 5) (setq a 2))
(add-hook! (one-mode second-mode) :append :local (setq v 5) (setq a 2))
;; Inline named hook functions
(add-hook! '(one-mode-hook second-mode-hook)
(defun do-something ()
...)
(defun do-another-thing ()
...))TODO add-transient-hook!
TODO after!
custom-set-faces!
(custom-set-faces!
'(outline-1 :weight normal)
'(outline-2 :weight normal)
'(outline-3 :weight normal)
'(outline-4 :weight normal)
'(outline-5 :weight normal)
'(outline-6 :weight normal)
'(default :background "red" :weight bold)
'(region :background "red" :weight bold))
(custom-set-faces!
'((outline-1 outline-2 outline-3 outline-4 outline-5 outline-6)
:weight normal)
'((default region)
:background "red" :weight bold))
(let ((red-bg-faces '(default region)))
(custom-set-faces!
`(,(cl-loop for i from 0 to 6 collect (intern (format "outline-%d" i)))
:weight normal)
`(,red-bg-faces
:background "red" :weight bold)))custom-theme-set-faces!
(custom-theme-set-faces! 'doom-one-theme
'(outline-1 :weight normal)
'(outline-2 :weight normal)
'(outline-3 :weight normal)
'(outline-4 :weight normal)
'(outline-5 :weight normal)
'(outline-6 :weight normal)
'(default :background "red" :weight bold)
'(region :background "red" :weight bold))
(custom-theme-set-faces! '(doom-one-theme doom-one-light-theme)
'((outline-1 outline-2 outline-3 outline-4 outline-5 outline-6)
:weight normal)
'((default region)
:background "red" :weight bold))
(let ((red-bg-faces '(default region)))
(custom-theme-set-faces! '(doom-one-theme doom-one-light-theme)
`(,(cl-loop for i from 0 to 6 collect (intern (format "outline-%d" i)))
:weight normal)
`(,red-bg-faces
:background "red" :weight bold)))TODO defer-feature!
TODO defer-until!
TODO disable-packages!
doom!
(doom! :completion
company
ivy
;;helm
:tools
(:if IS-MAC macos)
docker
lsp
:lang
(cc +lsp)
(:cond ((string= system-name "work-pc")
python
rust
web)
((string= system-name "writing-pc")
(org +dragndrop)
ruby))
(:if IS-LINUX
(web +lsp)
web)
:config
literate
(default +bindings +smartparens))file-exists-p!
(file-exists-p! "init.el" doom-emacs-dir)/home/hlissner/.emacs.d/init.el
(file-exists-p! (and (or "doesnotexist" "init.el")
"LICENSE")
doom-emacs-dir)/home/hlissner/.emacs.d/LICENSE
TODO lambda!
TODO lambda!!
TODO load!
TODO map!
TODO package!
TODO pushnew!
TODO quiet!
remove-hook!
;; With only one hook and one function, this is identical to `remove-hook'. In
;; that case, use that instead.
(remove-hook! 'some-mode-hook #'enable-something)
;; Removing N functions from M hooks
(remove-hook! some-mode #'enable-something #'and-another)
(remove-hook! some-mode #'(enable-something and-another))
(remove-hook! '(one-mode-hook second-mode-hook) #'enable-something)
(remove-hook! (one-mode second-mode) #'enable-something)
;; Removing buffer-local hooks
(remove-hook! (one-mode second-mode) :local #'enable-something)
;; Removing arbitrary forms (must be exactly the same as the definition)
(remove-hook! (one-mode second-mode) (setq v 5) (setq a 2))TODO setq-hook!
TODO unsetq-hook!
Interesting snippets
Persist Emacs' initial frame size across sessions
(let ((display-height (display-pixel-height))
(display-width (display-pixel-width)))
(add-to-list 'initial-frame-alist
`((left . ,(/ new-frame-width 2))
(top . ,(/ new-frame-height 2))
(width . ,(/ display-width 2))
(height . ,(/ display-height 2)))))Persist Emacs' initial frame position, dimensions and/or full-screen state across sessions
;; add to ~/.doom.d/config.el
(when-let* ((dims (doom-cache-get 'last-frame-size)))
(cl-destructuring-bind ((left . top) width height fullscreen) dims
(setq initial-frame-alist
(append initial-frame-alist
`((left . ,left)
(top . ,top)
(width . ,width)
(height . ,height)
(fullscreen . ,fullscreen))))))
(defun save-frame-dimensions ()
(doom-cache-set 'last-frame-size
(list (frame-position)
(frame-width)
(frame-height)
(frame-parameter nil 'fullscreen))))
(add-hook 'kill-emacs-hook #'save-frame-dimensions)