#+TITLE: Emacs Configuration
#+AUTHOR: Mars (@pupbrained)
#+EMAIL: mars@pupbrained.xyz

* Basic Setup

** Server

#+begin_src emacs-lisp
  (require 'bind-key)
  (load "server")
  (unless (server-running-p) (server-start))
#+end_src

** Disable Auto-Save and Backup

*** (I don't like having ~#file#~ and ~file~~ everywhere in my directories)

#+begin_src emacs-lisp
  (setq auto-save-default nil
        make-backup-files nil)
#+end_src

** Enable Real Auto Save

#+begin_src emacs-lisp
  (use-package real-auto-save
    :ensure t
    :hook
    (prog-mode . real-auto-save-mode)
    :config
    (setq real-auto-save-interval 1))
#+end_src

** No Scratch On Open

#+begin_src emacs-lisp
  (setq initial-scratch-message nil)
  (setq initial-buffer-choice nil)

  (add-hook 'emacs-startup-hook
      (lambda ()
        (when (and (get-buffer "*scratch*")
       (not (eq (current-buffer) (get-buffer "*scratch*"))))
    (kill-buffer "*scratch*"))))
#+end_src

** Dirvish

#+begin_src emacs-lisp
  (setq dired-omit-files
        (rx (or (seq bol (? ".") "#")
                (seq bol "." eol))))

  (add-hook 'dired-mode-hook 'dired-omit-mode)

  (defun my/dirvish-create-file ()
    "Create a new file in the current directory."
    (interactive)
    (let ((new-file (read-file-name "New file name: " (dired-current-directory))))
      (if (file-exists-p new-file)
          (message "File already exists!")
        (write-region "" nil new-file)
        (revert-buffer)  ;; Refresh the directory listing
        (message "File created: %s" new-file))))

  (use-package dirvish
    :ensure t
    :init
    (dirvish-override-dired-mode)
    :config
    (dirvish-peek-mode)
    (dirvish-side-follow-mode)
    (setq dired-listing-switches "-al --ignore='^\\.$' --human-readable --group-directories-first"
          dired-mouse-drag-files t
          dirvish-attributes '(vc-state subtree-state nerd-icons collapse git-msg file-time file-size)
          dirvish-mode-line-format '(:left (sort symlink) :right (omit yank index))
          dirvish-subtree-state-style 'nerd
          mouse-drag-and-drop-region-cross-program t))

  ;; Addtional syntax highlighting for dired
  (use-package diredfl
    :ensure t
    :hook
    ((dired-mode . diredfl-mode)
     (dirvish-directory-view-mode . diredfl-mode))
    :config
    (set-face-attribute 'diredfl-dir-name nil :bold t))

  (use-package nerd-icons
    :ensure t
    :custom
    (nerd-icons-font-family "Maple Mono NF"))

  (use-package ns-auto-titlebar
    :ensure t
    :config
    (when (eq system-type 'darwin) (ns-auto-titlebar-mode)))
#+end_src

** Fix Indents + Enable Autopairs

#+begin_src emacs-lisp
  (electric-indent-mode 1)
  (electric-pair-mode 1)
  (setq c-basic-offset 2)
  (setq-default indent-tabs-mode nil)

  (use-package evil
    :ensure t
    :init
    (setq evil-split-window-below t
          evil-undo-system 'undo-tree
          evil-vsplit-window-right t
          evil-want-C-i-jump nil
          evil-want-C-u-scroll t
          evil-want-integration t
          evil-want-integration t
          evil-want-keybinding nil)
    :config
    (evil-mode 1))

  (use-package evil-collection
    :ensure t
    :config
    (evil-collection-init))

  (use-package evil-leader
    :ensure t
    :config
    (global-evil-leader-mode)
    (setq evil-leader/leader "<SPC>")
    (evil-leader/set-key "a" #'eglot-code-actions)
    (evil-leader/set-key "bb" #'switch-to-buffer)
    (evil-leader/set-key "bd" #'kill-this-buffer)
    (evil-leader/set-key "e" #'dirvish-side))

  (use-package eglot
    :hook (emacs-lisp-mode . eglot-ensure))

  (use-package catppuccin-theme
    :ensure t
    :demand t
    :config
    (load-theme 'catppuccin t))

  (setq auto-save-default nil
        make-backup-files nil)
#+end_src

** Rainbow Delimiters

#+begin_src emacs-lisp
  (use-package rainbow-delimiters
    :ensure t
    :config
    (add-hook 'prog-mode-hook 'rainbow-delimiters-mode))
#+end_src

** Disable Bars

#+begin_src emacs-lisp
  (menu-bar-mode -1)
  (scroll-bar-mode -1)
  (tool-bar-mode -1)
#+end_src

** Line Numbers

#+begin_src emacs-lisp
  (global-display-line-numbers-mode t)

  (setq display-line-numbers-type 'relative)

  (dolist (mode
           '(term-mode-hook
             vterm-mode-hook
             shell-mode-hook
             org-mode-hook
             dirvish-setup-hook
             eshell-mode-hook))
    (add-hook mode (lambda () (display-line-numbers-mode 0))))
#+end_src

** Vim-Style Scrolling

#+begin_src emacs-lisp
  (setq scroll-step 3
        scroll-conservatively 9999)
#+end_src

** System-Specific Settings

#+begin_src emacs-lisp
  (cond
   ((eq system-type 'darwin)
    (set-face-attribute 'default nil :font "Iosevka Comfy-14")
    (set-face-attribute 'fixed-pitch nil :font "Iosevka Comfy-14")
    (set-face-attribute 'variable-pitch nil :font "Iosevka Comfy Motion Duo-16")
    (setq default-frame-alist '((font . "Iosevka Comfy-14"))))
   ((eq system-type 'gnu/linux)
    (set-face-attribute 'default nil :font "Iosevka Comfy-12")
    (set-face-attribute 'fixed-pitch nil :font "Iosevka Comfy-12")
    (set-face-attribute 'variable-pitch nil :font "Iosevka Comfy Motion Duo-14")
    (setq default-frame-alist
          '((font . "Iosevka Comfy-12")
            (undecorated . t)))))
#+end_src

** Use Short Answers

#+begin_src emacs-lisp
  (setq use-short-answers t)
#+end_src

** Enable ctrl+c/ctrl+v

#+begin_src emacs-lisp
  (cua-mode 1)
#+end_src

** Undo Tree

#+begin_src emacs-lisp
  (use-package undo-tree
    :ensure t
    :demand t
    :config
    (global-undo-tree-mode)
    (setq undo-tree-history-directory-alist '(("." . "~/.emacs.d/undo"))))
#+end_src

** Dashboard

#+begin_src emacs-lisp
  (use-package dashboard
    :ensure t
    :config
    (dashboard-setup-startup-hook)
    (setq dashboard-startup-banner 'logo
          dashboard-center-content t
          dashboard-vertically-center-content t
          dashboard-startup-banner 'logo
          initial-buffer-choice (lambda () (get-buffer-create "*dashboard*"))))
#+end_src

** Better M-x

*** Ivy Mode (Completions)

#+begin_src emacs-lisp
  (setq ivy-ignore-buffers '("\\` " "\\`\\*"))

  (use-package ivy
    :ensure t
    :config
    (ivy-mode)
    (setq ivy-use-virtual-buffers t
          enable-recursive-minibuffers t))
#+end_src

*** Amx Mode (Better Interface)

#+begin_src emacs-lisp
  (use-package amx
    :ensure t
    :config
    (amx-mode))
#+end_src

** Org Mode Improvements

#+begin_src emacs-lisp
  (add-hook 'org-mode-hook 'visual-line-mode)

  (use-package mixed-pitch
    :hook
    (org-mode . mixed-pitch-mode))

  (use-package org-modern
    :ensure t
    :hook (org-mode . org-modern-mode)
    :config
    (setq org-ellipsis "…")
    (setq org-modern-star 'replace))

  (use-package org-modern-indent
    :ensure (org-modern-indent :type git :host github :repo "jdtsmith/org-modern-indent")
    :config
    (add-hook 'org-mode-hook #'org-modern-indent-mode 90))
#+end_src