nixos/home/emacs/modules/custom-ui-config.el

;;; custom-ui-config.el -*- lexical-binding: t; -*-

;; Copyright (C) 2023
;; SPDX-License-Identifier: MIT

;; Author: System Crafters Community

;;; Code:

(setq use-dialog-box nil
      display-line-numbers 'relative
      fill-column 80)

(defun my/set-frame-alpha () (set-frame-parameter nil 'alpha-background 80))

(tool-bar-mode -1)
(scroll-bar-mode -1)
(add-to-list 'default-frame-alist '(font . "FiraCode Nerd Font-12"))
(global-prettify-symbols-mode +1)
(global-word-wrap-whitespace-mode +1)
(set-frame-parameter nil 'alpha-background 80)
(add-hook 'server-after-make-frame-hook (lambda () (set-frame-parameter nil 'alpha-background 80)))

(when (require 'doom-themes nil :noerror)
  (load-theme 'doom-tokyo-night t))

;; Nerd-Icons modes
(when (require 'nerd-icons-dired nil :noerror)
  (add-hook 'dired-mode-hook #'nerd-icons-dired-mode))

(when (require 'nerd-icons-ibuffer nil :noerror)
  (add-hook 'ibuffer-mode-hook #'nerd-icons-ibuffer-mode))

(when (require 'nerd-icons-completion nil :noerror)
  (nerd-icons-completion-mode)
  (when (require 'marginalia nil :noerror)
    (add-hook 'marginalia-mode-hook #'nerd-icons-completion-marginalia-setup)))

;; Doom-Modeline
(when (require 'doom-modeline nil :noerror)
  (setq doom-modeline-icon t)
  (display-battery-mode)
  (doom-modeline-mode +1))

;; Dashboard
(when (require 'dashboard nil :noerror)
  (setq initial-buffer-choice 'dashboard-open
	dashboard-icon-type 'nerd-icons
	dashboard-set-heading-icons t
	dashboard-set-file-icons t
	dashboard-set-navigator t
	dashboard-set-init-info t
	dashboard-startup-banner 'ascii
	dashboard-projects-backend 'project-el
	dashboard-projects-switch-function 'project-switch-project
	dashboard-projects-show-base t
	dashboard-recentf-show-base 'align
	dashboard-items '((projects . 5) (agenda . 5) (recents  . 5))
	dashboard-banner-ascii (concat "          .000000.          \n"
				       "         .0.    .0.         \n"
				       "       .00.      .00.       \n"
				       " .000cl.            .lc000. \n"
				       ".0                        0.\n"
				       "0.        .o0000o.        .0\n"
				       " 00     .0'      '0.     00 \n"
				       "  00   .0          0.   00  \n"
				       "  HHHHH HHHHHHHHHHHH HHHHH  \n"
				       "HHHH HHH HHHHHHHHHHHHHH HHHH\n"
				       " HHHHHH HHHHHHHHH HHHHHHHH  \n"
				       "  HHH HHHH HHHHHHHHH HHHH   \n"
				       "         HHH HHHHHH         \n"
				       "          HHHHH HH          \n")))

;; Extra minor-modes
(when (require 'which-key nil :noerror)
  (which-key-mode +1))

(when (require 'page-break nil :noerror)
  (global-page-break-lines-mode +1))

;; Weather in modeline
(setq display-wttr-format 1)
(when (require 'display-wttr nil :noerror) (display-wttr-mode +1))

;;;; Help Buffers

;; Make `describe-*' screens more helpful
(when (require 'helpful nil :noerror)
  (keymap-set helpful-mode-map "<remap> <revert-buffer>" #'helpful-update)
  (keymap-global-set "<remap> <describe-command>"        #'helpful-command)
  (keymap-global-set "<remap> <describe-function>"       #'helpful-callable)
  (keymap-global-set "<remap> <describe-key>"            #'helpful-key)
  (keymap-global-set "<remap> <describe-symbol>"         #'helpful-symbol)
  (keymap-global-set "<remap> <describe-variable>"       #'helpful-variable)
  (keymap-global-set "C-h F"                             #'helpful-function))

;; Bind extra `describe-*' commands
(keymap-global-set "C-h K" #'describe-keymap)

;; add visual pulse when changing focus, like beacon but built-in
;; from from https://karthinks.com/software/batteries-included-with-emacs/
(defun pulse-line (&rest _)
  "Pulse the current line."
  (pulse-momentary-highlight-one-line (point)))

(dolist (command '(scroll-up-command
                   scroll-down-command
                   recenter-top-bottom
                   other-window))
  (advice-add command :after #'pulse-line))

(provide 'custom-ui-config)
;;; custom-ui-config.el ends here