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
      fill-column 80
      truncate-lines nil
      truncate-partial-width-windows nil)

(menu-bar-mode -1)
(tab-bar-mode -1)
(tool-bar-mode -1)
(scroll-bar-mode -1)
(line-number-mode)
(global-display-line-numbers-mode -1)
(global-prettify-symbols-mode +1)
(global-visual-line-mode +1)
;; (set-frame-font "FiraCode Nerd Font-12")
;; (set-frame-parameter nil 'alpha-background 80)

;; Nerd-Icons modes
(when (require 'nerd-icons)
  (nerd-icons-set-font "Symbols Nerd Font Mono")
  (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
(setq doom-modeline-icon t
      doom-modeline-mu4e nil ;; Use mu4e own formatting
      doom-modeline-modal nil
      doom-modeline-modal-icon nil
      doom-modeline-persp-name nil
      doom-modeline-persp-icon nil)
(when (require 'doom-modeline nil :noerror)
  (doom-modeline-mode +1))

(setq mu4e-use-fancy-chars t
      mu4e-headers-thread-single-orphan-prefix '("─>" . "─▶")
      mu4e-headers-thread-orphan-prefix        '("┬>" . "┬▶")
      mu4e-headers-thread-connection-prefix    '("│ " . "│ ")
      mu4e-headers-thread-first-child-prefix   '("├>" . "├▶")
      mu4e-headers-thread-child-prefix         '("├>" . "├▶")
      mu4e-headers-thread-last-child-prefix    '("└>" . "╰▶")
      mu4e-modeline-all-read '("R:" . "󰑇:")
      mu4e-modeline-all-clear '("C:" . "󰚭:")
      mu4e-modeline-new-items '("N:" . "󰎔:")
      mu4e-modeline-unread-items '("U:" . "󰶊:")
      mu4e-search-full-label '("F" . "󱊖")
      mu4e-search-hide-label '("H" . "󰘓")
      mu4e-search-related-label '("R" . "󰌹")
      mu4e-search-skip-duplicates-label '("D" . "󰆑")
      mu4e-search-threaded-label'("T" . "󱇫")
      mu4e-alert-modeline-formatter 'mu4e-alert-default-mode-line-formatter)

;; Dashboard
(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 '((recents . 5) 
			(agenda . 15))
      dashboard-heading-icons '((recents . "nf-oct-history")
				(agenda . "nf-oct-calendar"))
      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"))
(when (require 'dashboard nil :noerror)
  (keymap-global-set "C-c d" #'dashboard-open)
  (add-hook 'dashboard-mode-hook #'khalel-import-events))

;; Extra minor-modes
(when (require 'git-gutter nil :noerror)
  (global-git-gutter-mode +1))

(when (require 'which-key nil :noerror)
  (which-key-mode +1))

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