dotfiles/emacs

(require 'package)

(add-to-list 'package-archives '("elpa" . "https://tromey.com/elpa/") t)
(add-to-list 'package-archives '("gnu" . "https://elpa.gnu.org/packages/") t)
(add-to-list 'package-archives '("melpa" . "https://melpa.org/packages/") t)
(package-initialize)

;; emacs preferences
(setq-default cursor-type 'bar)
(global-hl-line-mode 1)
(toggle-scroll-bar -1)
(menu-bar-mode -1)
(tool-bar-mode -1)
(column-number-mode t)
(setq vc-handled-backends nil)

(setq custom-file (concat user-emacs-directory "custom.el"))
(load custom-file 'noerror)

(setq interprogram-cut-function nil)
(setq backup-directory-alist '(("" . "~/.emacs.d/backup")))

(eval-when-compile
  (require 'use-package))

(setq package-check-signature nil)
(defun ensure-package-installed (&rest packages)
  "Assure every package is installed, ask for installation if it’s not.

Return a list of installed packages or nil for every skipped package."
  (mapcar
   (lambda (package)
     ;; (package-installed-p 'evil)
     (if (package-installed-p package)
         nil
       (if (y-or-n-p (format "Package %s is missing. Install it? " package))
           (package-install package)
         package)))
   packages))

;; make sure to have downloaded archive description.
;; Or use package-archive-contents as suggested by Nicolas Dudebout
(or (file-exists-p package-user-dir)
    (package-refresh-contents))

(ensure-package-installed 'use-package 'smex 'magit 'centaur-tabs 'eglot 'telephone-line 'dashboard 'multiple-cursors 'flycheck 'which-key 'restart-emacs 'doom-themes 'rainbow-mode 'rainbow-delimiters 'neotree 'all-the-icons 'elpy 'rustic 'simpleclip 'messages-are-flowing 'hl-todo 'format-all 'auctex)

(use-package company)
(add-hook 'after-init-hook 'global-company-mode)

(use-package eglot :ensure t)
(add-hook 'c++-mode-hook 'eglot-ensure)
(add-hook 'c-mode-hook 'eglot-ensure)

(use-package centaur-tabs :init
  (setq centaur-tabs-enable-key-bindings t
	centaur-tabs-set-icons t
   	centaur-tabs-set-modified-marker t
	centaur-tabs-style "chamfer"
	centaur-tabs-gray-out-icons 'buffer))
(centaur-tabs-headline-match)
(centaur-tabs-mode 1)

(add-hook 'after-init-hook #'global-flycheck-mode)
(add-hook 'prog-mode-hook #'rainbow-delimiters-mode)
(add-hook 'css-mode-hook #'rainbow-mode)

(global-set-key (kbd "M-x") 'smex)
(global-set-key (kbd "M-X") 'smex-major-mode-commands)

(require 'telephone-line)
(telephone-line-mode 1)
(when (fboundp 'windmove-default-keybindings)
  (windmove-default-keybindings))

(require 'which-key)
(which-key-mode)

(use-package dashboard
  :ensure t
  :config (dashboard-setup-startup-hook)
  (setq dashboard-set-footer nil
        dashboard-org-agenda-categories '("Tasks" "appointments")
	dashboard-center-content t))

(setq dashboard-set-heading-icons t)
(setq dashboard-set-file-icons t)
(setq dashboard-set-navigator t)

(require 'multiple-cursors)
(global-set-key (kbd "C-S-c C-S-c") 'mc/edit-lines)
(global-set-key (kbd "C->") 'mc/mark-next-like-this)
(global-set-key (kbd "C-<") 'mc/mark-previous-like-this)
(global-set-key (kbd "C-c C-<") 'mc/mark-all-like-this)

(require 'neotree)
(global-set-key [f8] 'neotree-toggle)

(use-package elpy
  :ensure t
  :defer t
  :init
  (advice-add 'python-mode :before 'elpy-enable))

(global-hl-todo-mode 1)

;; org settings
(setq org-replace-disputed-keys t)
(define-key global-map "\C-cl" 'org-store-link)
(define-key global-map "\C-ca" 'org-agenda)
(setq org-log-done t)

(add-hook 'diary-list-entries-hook 'diary-sort-entries t)

(cond ((file-exists-p "~/.emacs_home.el") (load "~/.emacs_home.el")))
(cond ((file-exists-p "~/.emacs_work.el") (load "~/.emacs_work.el")))
;;; .emacs ends here