Emacs: Set indentation in LaTeX buffers to 4 width tabs

.config/emacs/config/development.org

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+#+TITLE: Development
+#+OPTIONS: toc:nil
+#+PROPERTY: header-args:emacs-lisp :shebang ";;; -*- lexical-binding: t; -*-\n"
+
+** Table of Contents :toc_4:
+  - [[#company][Company]]
+  - [[#git][Git]]
+  - [[#projectile][Projectile]]
+  - [[#languages][Languages]]
+    - [[#language-server-support][Language Server Support]]
+    - [[#debug-adapter-support][Debug Adapter Support]]
+    - [[#cc][C/C++]]
+    - [[#cmake][CMake]]
+    - [[#glsl][GLSL]]
+    - [[#html][HTML]]
+    - [[#kotlin][Kotlin]]
+    - [[#lua][Lua]]
+    - [[#php][PHP]]
+    - [[#python][Python]]
+    - [[#yaml][YAML]]
+  - [[#quality-of-life][Quality of Life]]
+      - [[#flycheck][Flycheck]]
+      - [[#flyspell][Flyspell]]
+      - [[#rainbow-delimiters][Rainbow Delimiters]]
+      - [[#rainbow-mode][Rainbow Mode]]
+      - [[#yasnippet][YASnippet]]
+
+** Company
+
+#+BEGIN_SRC emacs-lisp
+(use-package company
+  :hook
+  ((c-mode-common
+	emacs-lisp-mode
+	latex-mode
+	org-mode
+	php-mode
+	shell-mode
+	shell-script-mode)
+   . company-mode)
+  :config
+  (setq company-idle-delay 0.2)
+  (setq company-minimum-prefix-length 2)
+  (setq company-show-numbers t)
+  (setq company-tooltip-align-annotations 't))
+#+END_SRC
+
+Sort Company completions.
+
+#+BEGIN_SRC emacs-lisp
+(use-package company-prescient
+  :after (company prescient)
+  :config (company-prescient-mode))
+#+END_SRC
+
+Auto-completion for C/C++ headers.
+
+#+BEGIN_SRC emacs-lisp
+(use-package company-c-headers
+  :after company
+  :config (add-to-list 'company-backends 'company-c-headers))
+#+END_SRC
+
+GLSL integration with company requires the package: ~glslang~.
+
+#+BEGIN_SRC emacs-lisp
+(when (executable-find "glslangValidator")
+  (use-package company-glsl
+	:after company
+	:config (add-to-list 'company-backends 'company-glsl)))
+#+END_SRC
+
+** Git
+
+#+BEGIN_SRC emacs-lisp
+(use-package diff-hl
+  :demand
+  :hook (prog-mode . turn-on-diff-hl-mode)
+  :hook (prog-mode . dot/diff-hl-enable-flydiff-and-fringe)
+  :config
+
+  (defun dot/diff-hl-enable-flydiff-and-fringe ()
+	"Enable on the fly diff checking if file is under version control."
+	(let ((buffer buffer-file-name))
+	  (when (and buffer (vc-registered buffer))
+		(diff-hl-flydiff-mode)
+		(dot/toggle-fringe 1)))))
+
+(use-package transient
+  :defer t
+  :config (setq transient-history-file (concat dot-cache-dir "/transient/history.el")))
+
+(use-package magit
+  :after (diff-hl transient)
+  :hook (git-commit-setup . git-commit-turn-on-auto-fill)
+  :hook (git-commit-setup . git-commit-turn-on-flyspell)
+  :hook (magit-pre-refresh . diff-hl-magit-pre-refresh)
+  :hook (magit-post-refresh . diff-hl-magit-post-refresh)
+  :config
+  (setq git-commit-fill-column 72)
+  (setq git-commit-summary-max-length 70)
+  (setq magit-completing-read-function #'selectrum-completing-read)
+  (setq magit-diff-paint-whitespace-lines 'both)
+  (setq magit-repository-directories '(("~/dotfiles" . 0)
+									   ("~/code" . 3)))
+
+  (put 'magit-log-select-pick :advertised-binding [?\M-c])
+  (put 'magit-log-select-quit :advertised-binding [?\M-k]))
+#+END_SRC
+** Projectile
+
+Project manager.
+
+#+BEGIN_SRC emacs-lisp
+(use-package projectile
+  :defer t
+  :config
+  (setq projectile-cache-file (concat dot-cache-dir "/projectile.cache"))
+  (setq projectile-completion-system 'default)
+  (setq projectile-enable-caching t)
+  (setq projectile-indexing-method 'hybrid)
+  (setq projectile-known-projects-file (concat dot-cache-dir "/projectile-bookmarks.eld"))
+  (setq projectile-project-search-path '("~"))
+  (setq projectile-sort-order 'recentf)
+
+  (defun dot/find-project-root ()
+	"Return root of the project, determined by `.git/' and `.projectile',
+`default-directory' otherwise."
+	(let ((search-directory (projectile-project-root)))
+	  (if search-directory
+		  search-directory
+		default-directory)))
+
+  (defun dot/find-file-in-project-root ()
+	"Find file in project root."
+	(interactive)
+	(let ((default-directory (dot/find-project-root)))
+	  (call-interactively 'find-file)))
+
+  (projectile-mode))
+#+END_SRC
+
+** Languages
+
+*** Language Server Support
+
+Language Server Protocol.
+
+#+BEGIN_SRC emacs-lisp
+(use-package lsp-mode
+  :commands lsp
+  :after which-key
+  :hook
+  ((c-mode         ; clangd
+	c++-mode       ; clangd
+	lua-mode       ; lua-language-server
+	php-mode       ; nodejs-intelephense
+    latex-mode     ; texlab
+    kotlin-mode    ; kotlin-language-server
+    web-mode)
+   . lsp-deferred)
+  :config
+  (setq lsp-auto-guess-root t)
+  (setq lsp-clients-clangd-args '("-j=2"
+								  "--background-index"
+								  "--clang-tidy"
+								  "--compile-commands-dir=build"
+								  "--log=error"
+								  "--pch-storage=memory"))
+  (setq lsp-clients-lua-language-server-install-dir "/usr/share/lua-language-server/")
+  (setq lsp-clients-lua-language-server-bin "/usr/bin/lua-language-server")
+  (setq lsp-enable-xref t)
+  (setq lsp-headerline-breadcrumb-enable nil)
+  (setq lsp-intelephense-storage-path (concat dot-cache-dir "/lsp-cache"))
+  (setq lsp-keep-workspace-alive nil)
+  (setq lsp-prefer-flymake nil)
+  (setq lsp-session-file (concat dot-cache-dir "/lsp-session-v1"))
+
+  ;; Mark clangd args variable as safe to modify via .dir-locals.el
+  (put 'lsp-clients-clangd-args 'safe-local-variable #'listp)
+
+  ;; Enable which-key descriptions
+  (dolist (leader-key (list dot/leader-key dot/leader-alt-key))
+	(let ((lsp-keymap-prefix (concat leader-key " l")))
+	  (lsp-enable-which-key-integration)))
+
+  (defun lsp-format-buffer-or-region ()
+	"Format the selection (or buffer) with LSP."
+	(interactive)
+	(unless (bound-and-true-p lsp-mode)
+	  (message "Not in an LSP buffer"))
+	(call-interactively
+	 (if (use-region-p)
+		 #'lsp-format-region
+	   #'lsp-format-buffer))))
+
+;; TODO: add lsp-signature keybinds
+
+(use-package lsp-ui
+  :commands lsp-ui-mode
+  :after (flycheck lsp-mode)
+  :config
+  (setq lsp-ui-doc-border (face-foreground 'default))
+  (setq lsp-ui-doc-delay 0.5)
+  (setq lsp-ui-doc-enable t)
+  (setq lsp-ui-doc-header t)
+  (setq lsp-ui-doc-include-signature t)
+  (setq lsp-ui-doc-position 'top)
+  (setq lsp-ui-doc-use-childframe t)
+  (setq lsp-ui-flycheck-list-position 'right)
+  (setq lsp-ui-imenu-enable nil)
+  (setq lsp-ui-peek-enable nil)
+  (setq lsp-ui-sideline-enable nil))
+#+END_SRC
+
+*** Debug Adapter Support
+
+Debug Adapter Protocol.
+
+#+BEGIN_SRC emacs-lisp
+(use-package treemacs
+  :after all-the-icons
+  :hook (treemacs-mode . dot/hook-disable-line-numbers)
+  :config (setq treemacs-persist-file (concat dot-cache-dir "/treemacs/persist")))
+
+(use-package dap-mode
+  :after (treemacs lsp-mode)
+  :hook (lsp-after-initialize . dot/dap-install-debug-adapters)
+  :config
+  (setq dap-auto-configure-features '(sessions locals expressions controls tooltip))
+  (setq dap-breakpoints-file (concat dot-cache-dir "/dap/breakpoints"))
+  (setq dap-utils-extension-path (concat dot-cache-dir "/dap"))
+
+  ;; Create dap extension directory
+  (unless (file-directory-p dap-utils-extension-path)
+	(make-directory dap-utils-extension-path t))
+
+  (defun dot/dap-install-debug-adapters ()
+	"Install and Load debug adapters."
+	(interactive)
+	(unless (bound-and-true-p lsp-mode)
+	  (user-error "Not in an LSP buffer"))
+	(when (string-equal major-mode "c++-mode")
+	  (require 'dap-cpptools)
+	  (dap-cpptools-setup))))
+#+END_SRC
+
+*** C/C++
+
+#+BEGIN_SRC emacs-lisp
+(use-package c-mode
+  :ensure nil
+  :defer t
+  ;; C++ // line comment style in c-mode
+  :hook (c-mode . (lambda ()
+					(c-toggle-comment-style -1))))
+#+END_SRC
+
+*** CMake
+
+#+BEGIN_SRC emacs-lisp
+(use-package cmake-mode
+  :config (setq cmake-tab-width 4)
+  :defer t)
+#+END_SRC
+
+*** GLSL
+
+#+BEGIN_SRC emacs-lisp
+(use-package glsl-mode
+  :defer t)
+#+END_SRC
+
+*** HTML
+
+#+BEGIN_SRC emacs-lisp
+(use-package web-mode
+  :defer t)
+#+END_SRC
+
+*** Kotlin
+
+#+BEGIN_SRC emacs-lisp
+(use-package kotlin-mode
+  :defer t)
+#+END_SRC
+
+*** Lua
+
+#+BEGIN_SRC emacs-lisp
+(use-package lua-mode
+  :defer t
+  :config (setq lua-indent-level 4))
+#+END_SRC
+
+*** PHP
+
+#+BEGIN_SRC emacs-lisp
+(use-package php-mode
+  :defer t
+  :hook
+  (php-mode . (lambda ()
+				(setq indent-tabs-mode t))))
+
+(use-package restclient
+  :defer t)
+#+END_SRC
+
+*** Python
+
+#+BEGIN_SRC emacs-lisp
+(use-package python-mode
+  :ensure nil
+  :defer t
+  :hook (python-mode . (lambda ()
+						 (setq indent-tabs-mode t)
+						 (setq python-indent-offset 4)
+						 (setq tab-width 4))))
+#+END_SRC
+
+*** YAML
+
+#+BEGIN_SRC emacs-lisp
+(use-package yaml-mode
+  :defer t)
+#+END_SRC
+
+** Quality of Life
+
+**** Flycheck
+
+On the fly syntax checking.
+
+#+BEGIN_SRC emacs-lisp
+(use-package flycheck
+  :hook
+  ((c-mode-common
+	emacs-lisp-mode
+	latex-mode
+	org-mode
+	php-mode
+	sh-mode
+	shell-mode
+	shell-script-mode)
+   . flycheck-mode)
+  :config
+  (setq flycheck-clang-language-standard "c++17")
+  (setq flycheck-gcc-language-standard "c++17"))
+
+;; For .el files which are intended to be packages
+(use-package flycheck-package
+  :after flycheck
+  :config
+  (add-to-list 'flycheck-checkers 'flycheck-emacs-lisp-package)
+  (flycheck-package-setup))
+
+(use-package flycheck-clang-tidy
+  :after flycheck
+  :hook (flycheck-mode . flycheck-clang-tidy-setup)
+  :config (setq flycheck-clang-tidy-extra-options "--format-style=file"))
+#+END_SRC
+
+**** Flyspell
+
+Give Flyspell a selection menu.
+
+#+BEGIN_SRC emacs-lisp
+(use-package flyspell-correct
+  :after flyspell
+  :demand
+  :hook (org-mode . flyspell-mode)
+  :config
+  (setq flyspell-issue-message-flag nil)
+  (setq flyspell-issue-welcome-flag nil))
+#+END_SRC
+
+**** Rainbow Delimiters
+
+#+BEGIN_SRC emacs-lisp
+(use-package rainbow-delimiters
+  :hook (prog-mode . rainbow-delimiters-mode))
+#+END_SRC
+
+**** Rainbow Mode
+
+#+BEGIN_SRC emacs-lisp
+(use-package rainbow-mode
+  :hook (css-mode . rainbow-mode))
+#+END_SRC
+
+**** YASnippet
+
+#+BEGIN_SRC emacs-lisp
+(use-package yasnippet
+  :defer t
+  :init
+  (setq yas-snippet-dirs (list (concat dot-emacs-dir "/snippets")))
+  (setq yas-prompt-functions '(yas-completing-prompt))
+  :config
+  (yas-global-mode))
+
+(use-package yasnippet-snippets
+  :after yasnippet)
+#+END_SRC
+
+https://stackoverflow.com/questions/22735895/configuring-a-yasnippet-for-two-scenarios-1-region-is-active-2-region-is

.config/emacs/config/evil.org

@@ -0,0 +1,105 @@
+#+TITLE: Evil
+#+OPTIONS: toc:nil
+#+PROPERTY: header-args:emacs-lisp :shebang ";;; -*- lexical-binding: t; -*-\n"
+
+** Table of Contents :toc_4:
+  - [[#evil][Evil]]
+
+** Evil
+
+Evil mode and related packages.
+
+#+BEGIN_SRC emacs-lisp
+(use-package undo-tree
+  :config (global-undo-tree-mode))
+
+(use-package goto-chg)
+
+(use-package evil
+  :after (undo-tree goto-chg)
+  :init
+  (setq evil-ex-complete-emacs-commands nil)
+  (setq evil-kill-on-visual-paste nil)
+  (setq evil-operator-state-cursor 'box) ; Do not set half cursor
+  (setq evil-search-module 'evil-search)
+  (setq evil-split-window-below t)
+  (setq evil-undo-system 'undo-tree)
+  (setq evil-vsplit-window-right t)
+  (setq evil-want-C-u-scroll t)
+  (setq evil-want-Y-yank-to-eol t)
+  (setq evil-want-keybinding nil) ; Needed by evil-collection
+  :config
+
+  (defun dot/evil-normal-sort-paragraph ()
+	"Sort paragraph cursor is under.
+
+Vim equivalence: vip:sort<CR>"
+	(interactive)
+	(let ((p (point)))
+	  (evil-visual-char)
+	  (call-interactively 'evil-inner-paragraph)
+	  (evil-ex-sort (region-beginning) (region-end))
+	  (goto-char p)))
+
+  (defun dot/evil-insert-shift-left ()
+	"Shift line left, retains cursor position.
+
+Vim equivalence: <C-D>"
+	(interactive)
+	(evil-shift-left-line 1))
+
+	(defun dot/evil-insert-shift-right ()
+	"Shift line right, retains cursor position.
+
+Vim equivalence: <Tab>"
+	(interactive)
+	(insert "\t"))
+
+  (defun dot/evil-visual-shift-left ()
+	"Shift visual selection left, retains the selection.
+
+Vim equivalence: <gv"
+	(interactive)
+	(evil-shift-left (region-beginning) (region-end))
+	(funcall (evil-visual-restore)))
+
+  (defun dot/evil-visual-shift-right ()
+	"Shift visual selection left, retains the selection.
+
+Vim equivalence: >gv"
+	(interactive)
+	(evil-shift-right (region-beginning) (region-end))
+	(funcall (evil-visual-restore)))
+
+  (evil-mode))
+#+END_SRC
+
+Evil command aliases.
+
+#+BEGIN_SRC emacs-lisp
+(use-package evil-ex
+  :ensure nil ; evil-ex.el is part of evil
+  :after evil
+  :config
+  (evil-ex-define-cmd "W" "w")
+  (evil-ex-define-cmd "Q" "q")
+  (evil-ex-define-cmd "WQ" "wq")
+  (evil-ex-define-cmd "Wq" "wq"))
+#+END_SRC
+
+#+BEGIN_SRC emacs-lisp
+(use-package evil-collection
+  :after evil
+  :init
+  (setq evil-collection-company-use-tng nil)
+  (setq evil-collection-key-blacklist (list dot/leader-key dot/localleader-key
+											dot/leader-alt-key dot/localleader-alt-key
+											"M-h" "M-j" "M-k" "M-l"))
+  (setq evil-collection-setup-minibuffer t)
+  :config
+  (evil-collection-init))
+
+(use-package evil-nerd-commenter
+  :defer t
+  :after evil)
+#+END_SRC

.config/emacs/config/mail.org

@@ -0,0 +1,157 @@
+#+TITLE: Mail Configuration
+#+OPTIONS: toc:nil
+#+PROPERTY: header-args:emacs-lisp :shebang ";;; -*- lexical-binding: t; -*-\n"
+
+** Table of Contents :toc_4:
+  - [[#mail-functions][Mail Functions]]
+  - [[#mail-in-emacs-with-mu4e][Mail in Emacs with mu4e]]
+  - [[#sources][Sources]]
+
+** Mail Functions
+
+#+BEGIN_SRC emacs-lisp
+(with-eval-after-load 'auth-source
+  (defun dot/mail-auth-get-field (host prop)
+	"Find PROP in `auth-sources' for HOST entry."
+	(when-let ((source (auth-source-search :max 1 :host host)))
+      (if (eq prop :secret)
+		  (funcall (plist-get (car source) prop))
+		(plist-get (flatten-list source) prop)))))
+#+END_SRC
+
+** Mail in Emacs with mu4e
+
+Useful mu4e manual pages:
+
+- [[https://www.djcbsoftware.nl/code/mu/mu4e/MSGV-Keybindings.html#MSGV-Keybindings][Key bindings]]
+
+#+BEGIN_SRC emacs-lisp
+(use-package mu4e
+  :ensure nil
+  :load-path "/usr/share/emacs/site-lisp/mu4e"
+  :defer 20
+  :commands mu4e
+  :config
+  (setq auth-sources `(,(concat dot-etc-dir "/authinfo.gpg")))
+  (setq user-full-name (dot/mail-auth-get-field "fullname" :user))
+  (setq user-mail-address (dot/mail-auth-get-field "info" :user))
+  (setq mail-user-agent 'mu4e-user-agent)
+
+  ;; Headers
+  (setq mu4e-headers-date-format "%d-%m-%Y")
+  (setq mu4e-headers-time-format "%I:%M %p")
+  (setq mu4e-headers-long-date-format "%d-%m-%Y %I:%M:%S %p")
+
+  ;; Syncing
+  (setq mu4e-get-mail-command (concat "mbsync -a -c " (getenv "XDG_CONFIG_HOME") "/isync/mbsyncrc"))
+  (setq mu4e-update-interval (* 15 60)) ; 15 minutes
+  (setq mu4e-maildir "~/mail")
+  (setq mu4e-attachment-dir "~/downloads")
+
+  ;; Avoid mail syncing issues when using mbsync
+  (setq mu4e-change-filenames-when-moving t)
+
+  ;; Misc
+  (setq mu4e-completing-read-function 'completing-read)
+  (setq mu4e-confirm-quit nil)
+  (setq mu4e-display-update-status-in-modeline t)
+  (setq mu4e-hide-index-messages t)
+  (setq mu4e-sent-messages-behavior 'sent)
+  (setq mu4e-view-show-addresses t)
+  (setq mu4e-view-show-images nil)
+
+  ;; Compose
+  (setq mu4e-compose-context-policy 'ask)
+  (setq mu4e-compose-dont-reply-to-self t)
+  (setq mu4e-compose-signature (concat (dot/mail-auth-get-field "fullname" :user) "\nriyyi.com\n"))
+  (setq mu4e-compose-signature-auto-include t)
+
+  ;; Contexts
+  (setq mu4e-context-policy 'pick-first)
+  (setq mu4e-contexts
+		`(,(make-mu4e-context
+			:name "info"
+			:match-func (lambda (msg)
+						  (when msg
+							(string= (mu4e-message-field msg :maildir) "/info")))
+			:vars `((user-mail-address  . ,(dot/mail-auth-get-field "info" :user))
+					(mu4e-drafts-folder . "/info/Drafts")
+					(mu4e-refile-folder . "/info/Archive")
+					(mu4e-sent-folder   . "/info/Sent")
+					(mu4e-trash-folder  . "/info/Trash")))
+		  ,(make-mu4e-context
+			:name "private"
+			:match-func (lambda (msg)
+						  (when msg
+							(string= (mu4e-message-field msg :maildir) "/private")))
+			:vars `((user-mail-address  . ,(dot/mail-auth-get-field "private" :user))
+					(mu4e-drafts-folder . "/private/Drafts")
+					(mu4e-refile-folder . "/private/Archive")
+					(mu4e-sent-folder   . "/private/Sent")
+					(mu4e-trash-folder  . "/private/Trash")))
+		  ))
+
+  ;; Do not mark messages as IMAP-deleted, just move them to the Trash directory!
+  ;; https://github.com/djcb/mu/issues/1136#issuecomment-486177435
+  (setf (alist-get 'trash mu4e-marks)
+		(list :char '("d" . "▼")
+              :prompt "dtrash"
+              :dyn-target (lambda (target msg)
+							(mu4e-get-trash-folder msg))
+              :action (lambda (docid msg target)
+						(mu4e~proc-move docid (mu4e~mark-check-target target) "-N"))))
+
+  ;; Start mu4e in the background for mail syncing
+  (mu4e t))
+#+END_SRC
+
+Use [[https://github.com/iqbalansari/mu4e-alert][mu4e-alert]] to show new e-mail notifications.
+
+#+BEGIN_SRC emacs-lisp
+
+(use-package mu4e-alert
+  :after mu4e
+  :config
+  (setq mu4e-alert-interesting-mail-query "(maildir:/info/Inbox OR maildir:/private/Inbox) AND flag:unread AND NOT flag:trashed")
+  (setq mu4e-alert-notify-repeated-mails nil)
+
+  (mu4e-alert-set-default-style 'libnotify)
+  (mu4e-alert-enable-notifications))
+#+END_SRC
+
+Sending mail.
+
+#+BEGIN_SRC emacs-lisp
+(use-package smtpmail
+  :ensure nil ; built-in
+  :after mu4e
+  :init (setq smtpmail-default-smtp-server "mail.riyyi.com")
+  :config
+  (setq smtpmail-smtp-server "mail.riyyi.com")
+  (setq smtpmail-local-domain "riyyi.com")
+  (setq smtpmail-smtp-service 587)
+  (setq smtpmail-stream-type 'starttls)
+  (setq smtpmail-queue-mail nil))
+
+(use-package sendmail
+  :ensure nil ; built-in
+  :after mu4e
+  :config (setq send-mail-function 'smtpmail-send-it))
+
+(use-package message
+  :ensure nil ; built-in
+  :after mu4e
+  :config
+  (setq message-kill-buffer-on-exit t)
+  (setq message-send-mail-function 'smtpmail-send-it))
+#+END_SRC
+
+** Sources
+
+- https://rakhim.org/fastmail-setup-with-emacs-mu4e-and-mbsync-on-macos/
+- https://wiki.archlinux.org/title/Isync
+- https://man.archlinux.org/man/community/isync/mbsync.1.en
+- https://gitlab.com/protesilaos/dotfiles/-/blob/master/mbsync/.mbsyncrc
+- https://gitlab.com/protesilaos/dotfiles/-/blob/master/emacs/.emacs.d/prot-lisp/prot-mail.el
+- https://gitlab.com/protesilaos/dotfiles/-/blob/master/emacs/.emacs.d/prot-lisp/prot-mu4e-deprecated-conf.el
+- https://github.com/daviwil/dotfiles/blob/master/Mail.org

.config/emacs/config/org-mode.org

@@ -0,0 +1,329 @@
+#+TITLE: Org Mode
+#+OPTIONS: toc:nil
+#+PROPERTY: header-args:emacs-lisp :shebang ";;; -*- lexical-binding: t; -*-\n"
+
+** Table of Contents :toc_4:
+  - [[#latex-configuration][LaTeX Configuration]]
+  - [[#org-configuration][Org Configuration]]
+  - [[#org-functions][Org Functions]]
+  - [[#org-bullets][Org Bullets]]
+  - [[#org-export-packages][Org Export Packages]]
+  - [[#org-roam][Org Roam]]
+  - [[#org-table-of-contents][Org "Table of Contents"]]
+
+** LaTeX Configuration
+
+#+BEGIN_SRC emacs-lisp
+(use-package tex-mode
+  :ensure nil ; built-in
+  :defer t
+  :hook (latex-mode . (lambda ()
+						(setq indent-tabs-mode t)
+						(setq tab-width 4)
+						(setq tex-indent-basic 4)))
+  :config
+
+  (with-eval-after-load 'projectile
+	(defun compile-latex ()
+	  "Compile LaTeX project."
+	  (interactive)
+	  (let ((default-directory (dot/find-project-root)))
+		(projectile-save-project-buffers)
+		(shell-command "make")))))
+#+END_SRC
+
+** Org Configuration
+
+
+Base Org.
+
+#+BEGIN_SRC emacs-lisp
+(use-package org
+  :config
+  (setq org-adapt-indentation nil)
+  (setq org-default-notes-file (expand-file-name "notes.org" org-directory))
+  (setq org-directory (concat (getenv "HOME") "/documents/org"))
+  (setq org-ellipsis "⤵")
+  (setq org-image-actual-width nil)
+
+  ;; Enable structured template completion
+  (add-to-list 'org-modules 'org-tempo t)
+  (add-to-list 'org-structure-template-alist
+			   '("el" . "src emacs-lisp")))
+#+END_SRC
+
+Org agenda.
+
+#+BEGIN_SRC emacs-lisp
+(use-package org-agenda
+  :ensure nil ; built-in
+  :defer t
+  :config
+  (setq org-agenda-files `(,org-directory ,user-emacs-directory))
+  (setq org-agenda-span 14)
+  (setq org-agenda-window-setup 'current-window)
+  (evil-set-initial-state 'org-agenda-mode 'motion))
+#+END_SRC
+
+Org capture.
+
+#+BEGIN_SRC emacs-lisp
+(use-package org-capture
+  :ensure nil ; built-in
+  ;; Org-capture in new tab, rather than split window
+  :hook (org-capture-mode . delete-other-windows))
+#+END_SRC
+
+Org keys.
+
+#+BEGIN_SRC emacs-lisp
+(use-package org-keys
+  :ensure nil ; built-in
+  :config
+  (setq org-return-follows-link t))
+#+END_SRC
+
+Org links.
+
+#+BEGIN_SRC emacs-lisp
+(use-package ol
+  :ensure nil ; built-in
+  :config
+  ;; Do not open links to .org files in a split window
+  (add-to-list 'org-link-frame-setup '(file . find-file)))
+#+END_SRC
+
+Org source code blocks.
+
+#+BEGIN_SRC emacs-lisp
+(use-package org-src
+  :ensure nil ; built-in
+  :config
+  (setq org-edit-src-content-indentation 0)
+  (setq org-src-fontify-natively t)
+  (setq org-src-preserve-indentation t)
+  (setq org-src-tab-acts-natively t)
+  (setq org-src-window-setup 'current-window))
+#+END_SRC
+
+Org exporter.
+
+#+BEGIN_SRC emacs-lisp
+(use-package ox
+  :ensure nil ; built-in
+  :defer t
+  :config
+  (setq org-export-coding-system 'utf-8-unix))
+#+END_SRC
+
+Org latex exporter.
+
+#+BEGIN_SRC emacs-lisp
+(use-package ox-latex
+  :ensure nil ; built-in
+  :defer t
+  :config
+  ;; Define how minted (highlighted src code) is added to src code blocks
+  (setq org-latex-listings 'minted)
+  (setq org-latex-minted-options '(("frame" "lines") ("linenos=true")))
+  ;; Set 'Table of Contents' layout
+  (setq org-latex-toc-command "\\newpage \\tableofcontents \\newpage")
+  ;; Add minted package to every LaTeX header
+  (add-to-list 'org-latex-packages-alist '("" "minted"))
+  ;; Append -shell-escape so pdflatex exports minted correctly
+  (add-to-list 'org-latex-pdf-process (replace-regexp-in-string
+									   "%latex "
+									   "%latex -shell-escape "
+									   (car org-latex-pdf-process))))
+#+END_SRC
+
+** Org Functions
+
+#+BEGIN_SRC emacs-lisp
+(with-eval-after-load 'evil-commands
+  (defun dot/org-ret-at-point ()
+	"Org return key at point.
+
+If point is on:
+  checkbox   -- toggle it
+  link       -- follow it
+  otherwise  -- run the default (evil-ret) expression"
+	(interactive)
+	(let ((type (org-element-type (org-element-context))))
+	  (pcase type
+		('link (if org-return-follows-link (org-open-at-point) (evil-ret)))
+		((guard (org-at-item-checkbox-p)) (org-toggle-checkbox))
+		(_ (evil-ret))
+		))))
+#+END_SRC
+
+** Org Bullets
+
+#+BEGIN_SRC emacs-lisp
+(use-package org-bullets
+  :hook (org-mode . org-bullets-mode))
+#+END_SRC
+
+** Org Export Packages
+
+HTML exporter.
+
+#+BEGIN_SRC emacs-lisp
+(use-package htmlize
+  :defer t
+  :config (setq org-export-html-postamble nil))
+;;org-export-html-postamble-format ; TODO
+#+END_SRC
+
+GitHub flavored Markdown exporter.
+
+#+BEGIN_SRC emacs-lisp
+(use-package ox-gfm
+  :defer t)
+#+END_SRC
+
+** Org Roam
+
+Setup =org-roam=.
+
+#+BEGIN_SRC emacs-lisp
+(use-package org-roam
+  :defer 1
+  :init
+  (setq org-roam-v2-ack t)
+  :config
+  (setq org-roam-db-location (expand-file-name "org-roam.db" dot-cache-dir))
+  (setq org-roam-directory org-directory)
+  ;; Exclude Syncthing backup directory
+  (setq org-roam-file-exclude-regexp "\\.stversions")
+  (setq org-roam-verbose nil)
+
+  (setq org-roam-capture-templates
+		'(("d" "default" plain
+		   "%?"
+		   :target (file+head "%<%Y%m%d%H%M%S>-${slug}.org" "#+TITLE: ${title}\n#+FILETAGS: %^{File tags}\n")
+		   :unnarrowed t)))
+
+  (defun dot/org-roam-node-insert-immediate (arg &rest args)
+	(interactive "P")
+	(let ((args (push arg args))
+          (org-roam-capture-templates (list (append (car org-roam-capture-templates)
+													'(:immediate-finish t)))))
+      (apply #'org-roam-node-insert args)))
+
+  (cl-defmethod org-roam-node-slug ((node org-roam-node))
+	"Return the slug of NODE, strip out common words."
+	(let* ((title (org-roam-node-title node))
+		   (words (split-string title " "))
+		   (common-words '("a" "an" "and" "as" "at" "by" "is" "it" "of" "the" "to"))
+		   (title (string-join (seq-remove (lambda (element) (member element common-words)) words) "_"))
+		   (pairs '(("c\\+\\+" . "cpp")             ;; convert c++ -> cpp
+					("c#" . "cs")                   ;; convert  c# -> cs
+					("[^[:alnum:][:digit:]]" . "_") ;; convert anything not alphanumeric
+					("__*" . "_")                   ;; remove sequential underscores
+					("^_" . "")                     ;; remove starting underscore
+					("_$" . ""))))                  ;; remove ending underscore
+	  (cl-flet ((cl-replace (title pair)
+							(replace-regexp-in-string (car pair) (cdr pair) title)))
+		(downcase (-reduce-from #'cl-replace title pairs)))))
+
+  ;; Right-align org-roam-node-tags in the completion menu without a length limit
+  ;; Source: https://github.com/org-roam/org-roam/issues/1775#issue-971157225
+  (setq org-roam-node-display-template "${title} ${tags:0}")
+  (setq org-roam-node-annotation-function #'dot/org-roam-annotate-tag)
+  (defun dot/org-roam-annotate-tag (node)
+	(let ((tags (mapconcat 'identity (org-roam-node-tags node) " #")))
+      (unless (string-empty-p tags)
+		(concat
+		 (propertize " " 'display `(space :align-to (- right ,(+ 2 (length tags)))))
+		 (propertize (concat "#" tags) 'face 'bold)))))
+
+  (org-roam-setup))
+#+END_SRC
+
+Enable [[https://www.orgroam.com/manual.html#Roam-Protocol][Roam Protocol]], needed to process =org-protocol://= links
+
+#+BEGIN_SRC emacs-lisp
+(use-package org-roam-protocol
+  :ensure nil ; org-roam-protocol.el is part of org-roam
+  :after org-roam
+  :config
+
+  ;; Templates used when creating a new file from a bookmark
+  (setq org-roam-capture-ref-templates
+		'(("r" "ref" plain
+		   "%?"
+		   :target (file+head "${slug}.org" "#+TITLE: ${title}\n \n${body}")
+		   :unnarrowed t))))
+#+END_SRC
+
+The roam-ref protocol bookmarks to add:
+
+#+BEGIN_SRC javascript
+javascript:location.href =
+	'org-protocol://roam-ref?template=r'
+	+ '&ref=' + encodeURIComponent(location.href)
+	+ '&title=' + encodeURIComponent(document.title)
+	+ '&body=' + encodeURIComponent(window.getSelection())
+#+END_SRC
+
+Setup =org-roam-ui=, runs at http://127.0.0.1:35901.
+
+#+BEGIN_SRC emacs-lisp
+(use-package org-roam-ui
+  :after org-roam
+  :config
+  (setq org-roam-ui-follow t)
+  (setq org-roam-ui-open-on-start t)
+  (setq org-roam-ui-sync-theme nil) ;; FIXME: Make this work (org-roam-ui-get-theme)
+  (setq org-roam-ui-update-on-save t))
+#+END_SRC
+
+Easily searchable .org files via Deft.
+
+#+BEGIN_SRC emacs-lisp
+(use-package deft
+  :after org
+  :hook (deft-mode . dot/hook-disable-line-numbers)
+  :config
+  (setq deft-auto-save-interval 0)
+  (setq deft-default-extension "org")
+  (setq deft-directory org-directory)
+  (setq deft-file-naming-rules '((noslash . "-")
+								 (nospace . "-")
+								 (case-fn . downcase)))
+  (setq deft-new-file-format "%Y%m%d%H%M%S-deft")
+  (setq deft-recursive t)
+  ;; Exclude Syncthing backup directory
+  (setq deft-recursive-ignore-dir-regexp (concat "\\.stversions\\|" deft-recursive-ignore-dir-regexp))
+  ;; Remove file variable -*- .. -*- and Org Mode :PROPERTIES: lines
+  (setq deft-strip-summary-regexp (concat "\\(^.*-\\*-.+-\\*-$\\|^:[[:alpha:]_]+:.*$\\)\\|" deft-strip-summary-regexp))
+  (setq deft-use-filename-as-title nil)
+  (setq deft-use-filter-string-for-filename t)
+
+  (add-to-list 'deft-extensions "tex")
+
+  ;; Start filtering immediately
+  (evil-set-initial-state 'deft-mode 'insert)
+
+  (defun deft-parse-title (file contents)
+	"Parse the given FILE and CONTENTS and determine the title."
+	(org-element-property
+	 :value
+	 (car
+	  (org-element-map
+		  (with-temp-buffer
+			(insert contents)
+			(org-element-parse-buffer 'greater-element))
+		  'keyword
+		(lambda (e) (when (string-match "TITLE" (org-element-property :key e)) e)))))))
+#+END_SRC
+
+** Org "Table of Contents"
+
+Generate table of contents without exporting.
+
+#+BEGIN_SRC emacs-lisp
+(use-package toc-org
+  :hook (org-mode . toc-org-mode))
+#+END_SRC

.config/emacs/config/selection.org

@@ -0,0 +1,46 @@
+#+TITLE: Selection
+#+OPTIONS: toc:nil
+#+PROPERTY: header-args:emacs-lisp :shebang ";;; -*- lexical-binding: t; -*-\n"
+
+** Table of Contents :toc_4:
+  - [[#selection][Selection]]
+
+** Selection
+
+#+BEGIN_SRC emacs-lisp
+(use-package selectrum
+  :hook (emacs-startup . selectrum-mode)
+  :config
+
+  (defun dot/selectrum-backspace ()
+	"In Selectrum file completion, backward kill sexp, delete char otherwise."
+	(interactive)
+	(if (and selectrum-is-active
+			 minibuffer-completing-file-name)
+		(evil-with-state 'insert
+		  (move-end-of-line 1) (backward-kill-sexp 1))
+	  (evil-delete-backward-char-and-join 1))))
+
+(use-package prescient
+  :after selectrum
+  :config
+  (setq prescient-filter-method '(literal regexp fuzzy))
+  (setq prescient-save-file (concat dot-cache-dir "/prescient-save.el"))
+  (prescient-persist-mode))
+
+(use-package selectrum-prescient
+  :after (selectrum prescient)
+  :config
+  (selectrum-prescient-mode))
+
+(use-package marginalia
+  :after selectrum
+  :config
+  (setq marginalia-annotators '(marginalia-annotators-heavy marginalia-annotators-light))
+  (marginalia-mode))
+
+(use-package consult
+  :after selectrum
+  :config
+  (setq consult-project-root-function #'dot/find-project-root))
+#+END_SRC

.config/emacs/config/ui.org

@@ -0,0 +1,261 @@
+#+TITLE: UI
+#+OPTIONS: toc:nil
+#+PROPERTY: header-args:emacs-lisp :shebang ";;; -*- lexical-binding: t; -*-\n"
+
+** Table of Contents :toc_4:
+  - [[#all-the-icons][All the icons]]
+  - [[#centaur-tabs][Centaur Tabs]]
+  - [[#dashboard][Dashboard]]
+  - [[#helpful][Helpful]]
+  - [[#neotree][NeoTree]]
+  - [[#telephone-line][Telephone Line]]
+  - [[#theme][Theme]]
+  - [[#which-key][Which-key]]
+
+** All the icons
+
+#+BEGIN_SRC emacs-lisp
+(use-package all-the-icons
+  :defer t
+  :config
+
+  ;; Install all-the-icons if font files are not found
+  (unless (find-font (font-spec :name "all-the-icons"))
+    (all-the-icons-install-fonts t)))
+
+(use-package all-the-icons-dired
+  :after all-the-icons
+  :hook (dired-mode . all-the-icons-dired-mode)
+  :config (setq all-the-icons-dired-monochrome nil))
+#+END_SRC
+
+** Centaur Tabs
+
+Places buffers as tabs in a bar at the top of the frame.
+
+#+BEGIN_SRC emacs-lisp
+(use-package centaur-tabs
+  :after all-the-icons
+  :demand
+  :hook
+  ((eshell-mode
+	help-mode
+	helpful-mode
+	mu4e-view-mode
+	neotree-mode
+	shell-mode)
+   . centaur-tabs-local-mode)
+  :config
+  (setq centaur-tabs-enable-ido-completion nil)
+  (setq centaur-tabs-height (if dot/hidpi 28 18))
+  (setq centaur-tabs-modified-marker "•")
+  (setq centaur-tabs-set-icons t)
+  (setq centaur-tabs-set-modified-marker t)
+  (setq centaur-tabs-style "slant")
+
+  (defun centaur-tabs-buffer-groups ()
+	"Organize tabs into groups by buffer."
+	(list
+	 (cond
+	  ((string-equal "*" (substring (buffer-name) 0 1)) "Emacs")
+	  ((memq major-mode '(org-mode
+						  emacs-lisp-mode)) "Org Mode")
+	  ((derived-mode-p 'dired-mode) "Dired")
+	  ((derived-mode-p 'prog-mode
+					   'text-mode) "Editing")
+	  (t "User"))))
+
+  (defun centaur-tabs-hide-tab (buffer)
+	"Hide from the tab bar by BUFFER name."
+
+	(let ((name (format "%s" buffer)))
+	  (or
+	   ;; Current window is dedicated window
+	   (window-dedicated-p (selected-window))
+
+	   ;; Buffer name does match below blacklist
+	   (string-match-p (concat "\\(CAPTURE-\\)?" (format-time-string "%Y%m%d%H%M%S") "-.*\\.org") name)
+	   (string-match-p
+		(concat "^ ?\\*\\("
+				"Agenda Commands\\|"
+				"e?shell\\|"
+				"Compile-Log\\|"
+				"Completions\\|"
+				;; "clangd\\|"       ; lsp c/c++
+				"dap-mouse\\|"
+				"dap-ui-\\|"
+				"Debug\\|"
+				"Faces\\|"
+				"Flycheck\\|"
+				"Help\\|"
+				"helpful\\|"
+				"httpd\\|"
+				"iph\\|"          ; lsp php
+				"org-roam\\|"
+				"Org tags\\|"
+				"Org todo"
+				"\\).*")
+		name))))
+
+  (defun dot/centaur-tabs-is-buffer-unimportant (buffer)
+    "Return t if BUFFER is unimportant and can be killed without caution."
+	(let ((name (format "%s" buffer)))
+	  (cond
+	   ((centaur-tabs-hide-tab name) t)
+	   ((string-match-p "^magit\\(-[a-z]+\\)*: .*" name) t)
+	   (t nil))))
+
+  (defun dot/centaur-tabs-buffer-cleanup ()
+	"Clean up all the hidden buffers."
+	(interactive)
+	(dolist (buffer (buffer-list))
+	  (when (dot/centaur-tabs-is-buffer-unimportant buffer)
+		(kill-buffer buffer)))
+	(princ "Cleaned buffers"))
+
+  (defun dot/centaur-tabs-kill-buffer-or-window ()
+	"Delete window of the current buffer, also kill if the buffer is hidden."
+	(interactive)
+	(if (dot/centaur-tabs-is-buffer-unimportant (buffer-name))
+		(kill-buffer-and-window)
+	  (delete-window)))
+
+  (centaur-tabs-headline-match)
+  (centaur-tabs-mode))
+#+END_SRC
+
+** Dashboard
+
+#+BEGIN_SRC emacs-lisp
+(use-package page-break-lines)
+
+(use-package dashboard
+  :demand
+  :hook (dashboard-mode . dot/hook-disable-line-numbers)
+  :config
+  (setq initial-buffer-choice (lambda () (get-buffer "*dashboard*")))
+  (setq dashboard-banner-logo-title "GNU Emacs master race!")
+  (setq dashboard-center-content t)
+  (setq dashboard-page-separator "\n\f\n")
+  (setq dashboard-set-file-icons t)
+  (setq dashboard-set-footer nil)
+  (setq dashboard-set-heading-icons t)
+  (setq dashboard-show-shortcuts t)
+  (setq dashboard-startup-banner 'logo)
+  (setq dashboard-items '((projects . 10)
+						  (bookmarks . 5)
+						  (recents . 5)))
+
+  (defun dot/dashboard-goto ()
+	"Go to the *dashboard* buffer, create if non-existing."
+	(interactive)
+	(let ((buffer "*dashboard*"))
+	  (unless (get-buffer buffer)
+		(generate-new-buffer buffer)
+		(dashboard-refresh-buffer))
+	  (switch-to-buffer buffer)))
+
+  ;; Fix keybinds..
+
+  (defun dot/dashboard-goto-bookmarks ()
+	"Move point to bookmarks."
+	(interactive)
+	(funcall (local-key-binding "m")))
+
+  (defun dot/dashboard-goto-projects ()
+	"Move point to projects."
+	(interactive)
+	(funcall (local-key-binding "p")))
+
+  (defun dot/dashboard-goto-recent-files ()
+	"Move point to recent files."
+	(interactive)
+	(funcall (local-key-binding "r")))
+
+  (dashboard-setup-startup-hook))
+#+END_SRC
+
+** Helpful
+
+A better *help* buffer.
+
+#+BEGIN_SRC emacs-lisp
+(use-package helpful
+  :hook (helpful-mode . dot/hook-disable-line-numbers))
+#+END_SRC
+
+** NeoTree
+
+Provides Emacs with a file tree.
+
+#+BEGIN_SRC emacs-lisp
+(use-package neotree
+  :after all-the-icons
+  :hook (neotree-mode . dot/hook-disable-line-numbers)
+  :hook (neotree-mode . hl-line-mode)
+  :init
+
+  ;; This needs to be in init to actually start loading the package
+  (with-eval-after-load 'projectile
+	(defun neotree-toggle-in-project-root ()
+	  "Toggle Neotree in project root."
+	  (interactive)
+	  (let ((default-directory (dot/find-project-root)))
+		(call-interactively #'neotree-toggle))))
+
+  :config
+  (setq neo-theme (if (display-graphic-p) 'icons 'arrow))
+  (setq neo-autorefresh nil)
+  (setq neo-mode-line-type 'none)
+  (setq neo-show-hidden-files t)
+  (setq neo-vc-integration '(face)))
+#+END_SRC
+
+** Telephone Line
+
+Emacs mode line replacement.
+
+#+BEGIN_SRC emacs-lisp
+(use-package telephone-line
+  :config
+  (setq telephone-line-height (if dot/hidpi 20 15))
+  (setq telephone-line-lhs
+		'((evil   . (telephone-line-evil-tag-segment))
+		  (accent . (telephone-line-erc-modified-channels-segment
+					 telephone-line-process-segment
+					 telephone-line-buffer-segment))
+		  (nil    . (telephone-line-projectile-segment))))
+  (telephone-line-mode))
+#+END_SRC
+
+** Theme
+
+#+BEGIN_SRC emacs-lisp
+(use-package hybrid-reverse-theme
+  :ensure nil
+  :load-path "~/code/elisp/emacs-hybrid-reverse"
+  :config (load-theme 'hybrid-reverse t))
+#+END_SRC
+
+** Which-key
+
+Popup that displays available key bindings.
+
+#+BEGIN_SRC emacs-lisp
+(use-package which-key
+  :hook (emacs-startup . which-key-mode)
+  :config
+  (setq which-key-add-column-padding 1)
+  (setq which-key-max-display-columns nil)
+  (setq which-key-min-display-lines 6)
+  (setq which-key-sort-order #'dot/which-key-prefix-then-key-order-alpha)
+  (setq which-key-sort-uppercase-first nil)
+
+  (defun dot/which-key-prefix-then-key-order-alpha (acons bcons)
+	"Order by prefix, then lexicographical."
+	(let ((apref? (which-key--group-p (cdr acons)))
+		  (bpref? (which-key--group-p (cdr bcons))))
+	  (if (not (eq apref? bpref?))
+		  (and (not apref?) bpref?)
+		(which-key-key-order-alpha acons bcons)))))
+#+END_SRC