common/home/spacemacs/user-config.el

;; Spacemacs itself
(exec-path-from-shell-initialize)
(spacemacs/enable-transparency)

; Needed for emacs --daemon to read fonts
; Sometimes doesn't work
(spacemacs|do-after-display-system-init (spacemacs/set-default-font dotspacemacs-default-font))


;; whitespace mode
(spacemacs/toggle-whitespace-globally-on)

(defun custom/common-program-hook ()
	(setq whitespace-style '(face spaces tabs newline trailing space-mark tab-mark newline-mark lines-tail))
	(interactive)
	(whitespace-mode t)
	(setq whitespace-line-column 80)
	(display-fill-column-indicator-mode)
	(smart-tabs-mode-enable)
	)
(defun custom/common-richtext-hook ()
	(setq whitespace-style '(face spaces tabs newline trailing space-mark tab-mark newline-mark))
	(interactive)
	(whitespace-mode t)
	(setq whitespace-line-column 'nil)
	)
(defun custom/latex-hook ()
	(custom/common-program-hook)
	)

(add-hook 'text-mode-hook 'custom/common-richtext-hook)
(add-hook 'latex-mode-hook 'custom/latex-hook)
(add-hook 'prog-mode-hook 'custom/common-program-hook)

(setq whitespace-display-mappings
	;; all numbers are Unicode codepoint in decimal. ⁖ (insert-char 182 1)
	'(
		(space-mark 32 [183] [46]) ; 32 SPACE 「 」, 183 MIDDLE DOT 「·」, 46 FULL STOP 「.」
		(newline-mark 10 [172 10]) ; 10 LINE FEED, 172 Not Sign「¬」
		(tab-mark 9 [10141 9] [92 9]) ; 9 TAB, 10141 Triangle-headed rightwards arrow 「➝」
	))
;; Auto save upon defocus
(add-hook 'focus-out-hook
	(defun save-current-buffer-if-needed ()
		(interactive)
		(when (and (buffer-file-name) (buffer-modified-p))
			(save-buffer))))

;; Mixed indent mode (in conjunction with smart-tabs-mode)

(setq-default indent-tabs-mode t
	            indent-line-function 'tab-to-tab-stop
	tab-width 2)
(setq css-indent-offset 2)
(smart-tabs-insinuate
	'c
	'c++
	'java
	'javascript)
(add-hook 'after-init-hook #'company-statistics-mode)

;; C/C++
(setq
 c-default-style "stroustrup"
 c-basic-offset 2
 lsp-clients-clangd-args
 '("-j=4"
	 "--clang-tidy"
	 "--header-insertion=never"
	 "--pch-storage=memory"
	 ))
(highlight-doxygen-global-mode 1)

;; Org mode
(setq org-format-latex-options (plist-put org-format-latex-options :scale 2.0))

;; Spellchecking
(setq ispell-dictionary "english")

;; Centaur
(setq
	centaur-tabs-set-icons t
	centaur-tabs-set-bar 'over
	centaur-tabs-set-close-button t
	centaur-tabs-style "wave"
	centaur-tabs-set-bar 'under
	centaur-tabs-set-modified-marker t
	centaur-tabs-modified-marker "*"
	centaur-tabs-cycle-scope 'tabs)
(setq
	pdf-sync-backward-display-action t
	pdf-sync-forward-display-action t)



;; Ensures the pdf view mode doesn't get into emacs state.
;; If it does get into emacs state, checked by
;;   (describe-variable 'evil-state)
;; Use M-x evil-normal-state or M-x evil-force-evilified-state to revert.
(evil-set-initial-state 'pdf-view-mode 'evilified)