init.el

;; Options for this config file
(defconst option/alternative-evil-esc (kbd "C-c"))
(defconst user/font "JetBrains Mono NL Light")
(defconst user/font-height 120)
(defconst user/theme 'modus-vivendi)
(defconst user/use-alt-window-navigation t)

;; Disable startup message, scrollbar, toolbar, menu bar and visual bell for a
;; cleaner UI. Also use smaller tab width
(setq inhibit-startup-message t)
(scroll-bar-mode -1)
(tool-bar-mode -1)
(menu-bar-mode -1)
(setq visible-bell nil)
(setq-default tab-width 4)
(setq-default truncate-lines t)

;; Only cycle through buffers that represent files
(set-frame-parameter (selected-frame) 'buffer-predicate #'buffer-file-name)

;; Allow Emacs' window to be any size and not snap to characters
(setq frame-resize-pixelwise t)

;; Dont have a bunch of dired buffers
(setq dired-kill-when-opening-new-dired-buffer t)

;; Disable auto-save and backup files.
(setq auto-save-default nil)
(setq make-backup-files nil)

;; make so that ESC can quit prompts.
(global-set-key (kbd "<escape>") 'keyboard-escape-quit)

;; Make scrolling smoother and make lines scroll sooner.
(setq scroll-step 1)
(setq scroll-margin 8)
;; (setq scroll-conservatively 9999)

;; Show line and column numbers. Add fringes to the sides of the screen
(global-display-line-numbers-mode)
(column-number-mode)
;; (fringe-mode '(16 . 24))

;; Performance enhancing options, garbage collect on idle and window focus loss
;; wait until Emacs has allocated more memory before running gc. Disable show-paren
(defun MiB (n) (* n 1024 1024))
(add-hook 'after-init-hook
          #'(lambda () (setq gc-cons-threshold (MiB 64))))
(add-hook 'focus-out-hook 'garbage-collect)
(run-with-idle-timer 5 t 'garbage-collect)
(show-paren-mode 0)

;; Package Manager
(require 'package)
(setq package-archives
      '(("melpa" . "https://melpa.org/packages/")
        ("org"   . "https://orgmode.org/elpa/")
        ("elpa"  . "https://elpa.gnu.org/packages/")))
(package-initialize)

;; Ensure use-package is available
(unless (package-installed-p 'use-package)
  (package-install 'use-package))
(require 'use-package)
(setq use-package-always-ensure t)

;; Vim style keys
(use-package evil
  :ensure t
  :init
  (setq evil-want-integration t)
  (setq evil-want-keybinding nil)
  (setq evil-want-C-u-scroll t)
  (setq evil-want-C-i-jump nil)
  (setq evil-want-fine-undo 'fine)
  :config
  (evil-mode 1)
  (evil-set-undo-system 'undo-redo))

;; Vim style keys for most of Emacs already existing functionlity
(use-package evil-collection
  :after evil
  :config
  (evil-collection-init))

;; Unclutter statusbar
(use-package diminish)

;; Fuzzy finder
(use-package swiper)

;; Completion framework
(use-package ivy
  :diminish
  :bind
  (:map ivy-minibuffer-map
        ("TAB" . ivy-alt-done)
        ("C-l" . ivy-alt-done)
        ("C-j" . ivy-next-line)
        ("C-k" . ivy-previous-line)
        :map ivy-switch-buffer-map
        ("C-k" . ivy-previous-line)
        ("C-l" . ivy-done)
        ("C-d" . ivy-switch-buffer-kill)
        :map ivy-reverse-i-search-map
        ("C-k" . ivy-previous-line)
        ("C-d" . ivy-reverse-i-search-kill))
  :config
  (ivy-mode 1))

;; LSP support
(use-package lsp-mode
  :init
  ;; set prefix for lsp-command-keymap (few alternatives - "C-l", "C-c l")
  (setq lsp-keymap-prefix "C-c l")
  :hook
  ((zig-mode . lsp)
   (c++-mode . lsp))
         ;; if you want which-key integration
         ;; (lsp-mode . lsp-enable-which-key-integration)
  :commands lsp)

(use-package lsp-ivy :commands lsp-ivy-workspace-symbol)

;; Zig mode
(use-package zig-mode)

;; Go mode
(use-package go-mode)

;; Diminish minor modes
(diminish 'evil-collection-unimpaired-mode)

;; Keybinds
(evil-set-leader nil (kbd "SPC"))

(evil-global-set-key
 'normal (kbd "C-s") 'save-buffer)

(evil-global-set-key
 'normal (kbd "C-f") 'swiper)

(evil-global-set-key
 'normal (kbd "C-o") 'other-window)

(evil-global-set-key
 'normal (kbd "<leader>c") 'comment-line)

(evil-global-set-key
 'normal (kbd "<leader>e") 'find-file)

(evil-global-set-key
 'normal (kbd "<leader>f") 'switch-to-buffer)

(evil-global-set-key
 'normal (kbd "<leader>x") 'kill-buffer-and-window)

(evil-global-set-key
 'normal (kbd "<leader>k") 'kill-buffer)

(evil-global-set-key
 'normal (kbd "<leader>q") 'delete-window)

(evil-global-set-key
 'normal (kbd "<leader>sh") 'split-window-below)

(evil-global-set-key
 'normal (kbd "<leader>sv") 'split-window-right)

(evil-global-set-key
 'normal (kbd "<leader>sv") 'split-window-right)

(evil-global-set-key
 'normal (kbd "L") 'evil-next-buffer)

(evil-global-set-key
 'normal (kbd "H") 'evil-prev-buffer)

(evil-global-set-key
 'insert option/alternative-evil-esc (kbd "<escape>"))

(evil-global-set-key
 'normal (kbd "M-f") 'other-window)

(evil-global-set-key
 'visual option/alternative-evil-esc (kbd "<escape>"))

(evil-global-set-key
 'visual option/alternative-evil-esc (kbd "<escape>"))

;; Window navigation (requires Alt bindings that are commonly used by some window managers)
(when user/use-alt-window-navigation
  (evil-global-set-key 'normal (kbd "M-j") 'evil-window-down)
  (evil-global-set-key 'normal (kbd "M-h") 'evil-window-left)
  (evil-global-set-key 'normal (kbd "M-l") 'evil-window-right)
  (evil-global-set-key 'normal (kbd "M-k") 'evil-window-up))


;; Load things
(load-theme user/theme t)

(set-face-attribute 'default nil
                    :font user/font
                    :height user/font-height)