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;;; init.el --- Emacs configuration entry point -*- lexical-binding: t -*-
;; =====================================
;; 🚀 Performance Optimization
;; =====================================
;; Restore GC threshold after startup (maximized in early-init.el)
(add-hook 'emacs-startup-hook
(lambda ()
(setq gc-cons-threshold (* 100 1024 1024))))
;; =====================================
;; 📦 Package Management (straight.el)
;; =====================================
;; Only check for modifications when explicitly checking
(setq straight-check-for-modifications '(find-when-checking))
;; Bootstrap straight.el from XDG config directory
(defvar bootstrap-version)
(let* ((user-dir (file-name-as-directory
(or (getenv "XDG_CONFIG_HOME") "~/.config/")))
(emacs-dir (concat user-dir "emacs/"))
(bootstrap-file
(expand-file-name "straight/repos/straight.el/bootstrap.el" emacs-dir))
(bootstrap-version 6))
(unless (file-exists-p bootstrap-file)
(with-current-buffer
(url-retrieve-synchronously
"https://raw.githubusercontent.com/radian-software/straight.el/develop/install.el"
'silent 'inhibit-cookies)
(goto-char (point-max))
(eval-print-last-sexp)))
(load bootstrap-file nil 'nomessage))
;; Freeze File
(setq straight-freeze-file (expand-file-name "versions.el" user-emacs-directory))
;; Integrate straight.el with use-package
(straight-use-package 'use-package)
(setq straight-use-package-by-default t)
;; Essential use-package utilities
(use-package diminish) ;; Hide/abbreviate minor modes
(use-package bind-key) ;; Key binding utilities
;; =====================================
;; 🎨 UI & Visual Configuration
;; =====================================
;; Disable unnecessary UI elements
(menu-bar-mode -1)
(tool-bar-mode -1)
(scroll-bar-mode -1)
(tooltip-mode -1)
(blink-cursor-mode -1)
(fringe-mode 0)
;; Disable startup messages and bell
(setq inhibit-startup-screen t
inhibit-startup-message t
inhibit-startup-echo-area-message t
ring-bell-function 'ignore)
;; Configure line numbers with themed colors
(global-display-line-numbers-mode 1)
(setq display-line-numbers-type 'relative) ;; Relative line numbers for Evil mode
(set-face-attribute 'line-number nil
:foreground "#4fa8a8" ;; Softer cyan for line numbers
:background "#003636")
(set-face-attribute 'line-number-current-line nil
:foreground "#8affff" ;; Bright cyan for current line
:background "#003636"
:weight 'bold)
(set-face-attribute 'fringe nil :background "#003636")
;; Configure cursor and selection colors
(set-face-attribute 'cursor nil
:background "#FFC600") ;; Yellow/gold cursor
(set-face-attribute 'region nil
:background "#395e5e" ;; Dark teal selection
:foreground 'unspecified) ;; Keep text color unchanged
;; Configure mode-line colors
(set-face-attribute 'mode-line nil
:background "#004344" ;; Dark teal background
:foreground "#8affff" ;; Bright cyan text
:box nil) ;; Remove border
(set-face-attribute 'mode-line-inactive nil
:background "#003030" ;; Darker background for inactive
:foreground "#808080" ;; Gray text for inactive
:box nil) ;; Remove border
;; =====================================
;; 🔧 Editing Behavior
;; =====================================
;; Auto-pair parentheses, brackets, quotes, etc.
(electric-pair-mode 1)
;; Enable electric-indent for auto-indenting on RET
(electric-indent-mode 1)
;; =====================================
;; I LOVE TABS
;; =====================================
;; Global tab settings
(setq-default indent-tabs-mode t) ;; Use tabs, not spaces
(setq-default tab-width 4) ;; Display tabs as 4 spaces wide
(setq-default tab-stop-list (number-sequence 4 200 4)) ;; Tab stops every 4 spaces
;; Don't convert tabs to spaces when deleting
(setq backward-delete-char-untabify-method nil)
;; Enforce tabs in all major modes (many modes override indent-tabs-mode)
(defun enforce-tabs ()
"Force use of tabs for indentation in all modes."
(setq indent-tabs-mode t)
(setq tab-width 4)
;; Make TAB key insert a tab character instead of smart-indenting
(local-set-key (kbd "TAB") 'tab-to-tab-stop))
;; Apply to all major modes
(add-hook 'prog-mode-hook 'enforce-tabs)
(add-hook 'text-mode-hook 'enforce-tabs)
(add-hook 'conf-mode-hook 'enforce-tabs)
;; Configure mode-specific indentation offsets to match tab-width
;; This ensures electric-indent uses the right width for ALL major languages
(setq-default c-basic-offset 4) ;; C, C++, Java, PHP
(setq-default js-indent-level 4) ;; JavaScript, JSON
(setq-default typescript-indent-level 4) ;; TypeScript
(setq-default css-indent-offset 4) ;; CSS
(setq-default sh-basic-offset 4) ;; Shell scripts
(setq-default python-indent-offset 4) ;; Python
(setq-default rust-indent-offset 4) ;; Rust
(setq-default ruby-indent-level 4) ;; Ruby
(setq-default perl-indent-level 4) ;; Perl
(setq-default lua-indent-level 4) ;; Lua
(setq-default go-ts-mode-indent-offset 4) ;; Go (tree-sitter)
(setq-default haskell-indent-offset 4) ;; Haskell
(setq-default haskell-indentation-left-offset 4)
(setq-default swift-mode:basic-offset 4) ;; Swift
(setq-default kotlin-tab-width 4) ;; Kotlin
(setq-default scala-indent:step 4) ;; Scala
(setq-default lisp-indent-offset 4) ;; Lisp, Scheme
(setq-default sgml-basic-offset 4) ;; HTML, XML
(setq-default nxml-child-indent 4) ;; XML (nxml-mode)
(setq-default web-mode-markup-indent-offset 4) ;; Web-mode HTML
(setq-default web-mode-css-indent-offset 4) ;; Web-mode CSS
(setq-default web-mode-code-indent-offset 4) ;; Web-mode JS/etc
(setq-default yaml-indent-offset 4) ;; YAML
(setq-default standard-indent 4) ;; Fallback for other modes
;; Make sure electric-indent respects tabs
(setq electric-indent-inhibit nil)
;; Force conversion of spaces to tabs after indentation
(defun tabify-current-line ()
"Convert leading spaces to tabs on the current line."
(when indent-tabs-mode
(save-excursion
(beginning-of-line)
(when (looking-at "[ \t]+")
(tabify (point) (match-end 0))))))
;; Run after electric-indent
(add-hook 'post-self-insert-hook 'tabify-current-line)
;; =====================================
;; Whitespace Visualization (listchars)
;; =====================================
;; Show whitespace characters like Vim's listchars
(use-package whitespace
:straight nil ;; Built-in package
:hook (prog-mode . whitespace-mode)
:config
;; What to visualize
(setq whitespace-style '(face
tabs
spaces
trailing
space-mark
tab-mark
newline
newline-mark))
;; Character mappings (like Vim listchars)
(setq whitespace-display-mappings
'(
;; tab: show as "│»»»" (char 9 = tab)
(tab-mark 9 [9474 187 187 187] [124 187 187 187])
;; space: show as "·" (char 32 = space)
(space-mark 32 [183] [46])
;; newline: show as "↲" (char 10 = newline)
(newline-mark 10 [8626 10] [182 10])
;; non-breaking space: show as "␣"
(space-mark 160 [9251] [95])))
;; Face colors for whitespace characters
(set-face-attribute 'whitespace-tab nil
:foreground "#016868"
:background nil)
(set-face-attribute 'whitespace-space nil
:foreground "#016868"
:background nil)
(set-face-attribute 'whitespace-newline nil
:foreground "#016868"
:background nil)
(set-face-attribute 'whitespace-trailing nil
:foreground "#d2691e"
:background "#003030"))
;; Toggle whitespace-mode with a keybinding
;; (global-set-key (kbd "C-c w") 'whitespace-mode)
;; =====================================
;; Ligatures
;; =====================================
;; Enable ligatures for JetBrains Mono
;; Uses composition-function-table for proper ligature rendering
(defconst jetbrains-mono-ligatures
'("-->" "//" "/**" "/*" "*/" "<!--" ":=" "->>" "<<-" "->" "<-"
"<=>" "==" "!=" "<=" ">=" "=:=" "!==" "&&" "||" "..." ".."
"|||" "///" "&&&" "===" "++" "--" "=>" "|>" "<|" "||>" "<||"
"|||>" "<|||" ">>" "<<" "::=" "|]" "[|" "{|" "|}"
"[<" ">]" ":?>" ":?" "/=" "[||]" "!!" "?:" "?." "::"
"+++" "??" "###" "##" ":::" "####" ".?" "?=" "=!=" "<|>"
"<:" ":<" ":>" ">:" "<>" "***" ";;" "/==" ".=" ".-" "__"
"=/=" "<-<" "<<<" ">>>" "<=<" "<<=" "<==" "<==>" "==>" "=>>"
">=>" ">>=" ">>-" ">-" "<~>" "-<" "-<<" "=<<" "---" "<-|"
"<=|" "/\\" "\\/" "|=>" "|~>" "<~~" "<~" "~~" "~~>" "~>"
"<$>" "<$" "$>" "<+>" "<+" "+>" "<*>" "<*" "*>" "</>" "</" "/>"
"<->" "..<" "~=" "~-" "-~" "~@" "^=" "-|" "_|_" "|-" "||-"
"|=" "||=" "#{" "#[" "]#" "#(" "#?" "#_" "#_(" "#:" "#!" "#="
"&="))
;; Sort ligatures by length (longest first) to ensure proper matching
(setq jetbrains-mono-ligatures
(sort jetbrains-mono-ligatures
(lambda (x y) (> (length x) (length y)))))
;; Register each ligature pattern in the composition function table
(dolist (ligature jetbrains-mono-ligatures)
(let ((pattern (regexp-quote ligature))
(first-char (aref ligature 0)))
(set-char-table-range composition-function-table
first-char
(nconc (char-table-range composition-function-table first-char)
(list (vector pattern
0
'compose-gstring-for-graphic))))))
;; =====================================
;; Smooth Scrolling
;; =====================================
;; (use-package ultra-scroll
;; ;:vc (:url "https://github.com/jdtsmith/ultra-scroll") ; if desired (emacs>=v30)
;; :init
;; (setq scroll-conservatively 3 ; or whatever value you prefer, since v0.4
;; scroll-margin 0) ; important: scroll-margin>0 not yet supported
;; :config
;; (ultra-scroll-mode 1))
(pixel-scroll-precision-mode 1)
(setq scroll-conservatively 101
scroll-margin 0
scroll-preserve-screen-position t)
;; =====================================
;; 😈 eVIl Mode MWAHAHAHAHAHHA
;; =====================================
(load (expand-file-name "config/evil.el" user-emacs-directory))
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