emacs-dot-d/nebkor-modules/nebkor-theme.el

;;; Everything related to the look of Emacs

;;(add-to-list 'default-frame-alist '(background-color . "snow"))

;;;; Lin
;; Read the lin manual: <https://protesilaos.com/emacs/lin>.
(use-package lin
  :ensure t
  :hook (elpaca-after-init . lin-global-mode) ; applies to all `lin-mode-hooks'
  :config
  (setopt lin-face 'lin-cyan))

;;;; Rainbow mode for colour previewing (rainbow-mode.el)
(use-package rainbow-mode
  :ensure t
  :init
  (setq rainbow-ansi-colors nil)
  (setq rainbow-x-colors nil)

  (defun prot/rainbow-mode-in-themes ()
    (when-let* ((file (buffer-file-name))
                ((derived-mode-p 'emacs-lisp-mode))
                ((string-match-p "-theme" file)))
      (rainbow-mode 1)))
  :bind ( :map ctl-x-x-map
          ("c" . rainbow-mode)) ; C-x x c
  :hook (emacs-lisp-mode . prot/rainbow-mode-in-themes))

;;; Cursor appearance (cursory)
;; Read the manual: <https://protesilaos.com/emacs/cursory>.
(use-package cursory
  :ensure t
  :demand t
  :if (display-graphic-p)
  :config
  (setq cursory-presets
        '((box
           :blink-cursor-interval 1.2)
          (box-no-blink
           :blink-cursor-mode -1)
          (bar
           :cursor-type (bar . 2)
           :blink-cursor-interval 0.8)
          (bar-no-other-window
           :inherit bar
           :cursor-in-non-selected-windows nil)
          (bar-no-blink
           :cursor-type (bar . 2)
           :blink-cursor-mode -1)
          (underscore
           :cursor-type (hbar . 3)
           :blink-cursor-interval 0.3
           :blink-cursor-blinks 50)
          (underscore-no-other-window
           :inherit underscore
           :cursor-in-non-selected-windows nil)
          (underscore-thick
           :cursor-type (hbar . 8)
           :blink-cursor-interval 0.3
           :blink-cursor-blinks 50
           :cursor-in-non-selected-windows (hbar . 3))
          (underscore-thick-no-blink
           :blink-cursor-mode -1
           :cursor-type (hbar . 8)
           :cursor-in-non-selected-windows (hbar . 3))
          (t ; the default values
           :cursor-type box
           :cursor-in-non-selected-windows hollow
           :blink-cursor-mode 1
           :blink-cursor-blinks 5
           :blink-cursor-interval 0.2
           :blink-cursor-delay 0.2)))

  ;; I am using the default values of `cursory-latest-state-file'.

  ;; Set last preset or fall back to desired style from `cursory-presets'.
  (cursory-set-preset (or (cursory-restore-latest-preset) 'box-no-blink))

  (cursory-mode 1))

;;;; Fontaine (font configurations)
;; Read the manual: <https://protesilaos.com/emacs/fontaine>
(use-package fontaine
:ensure t
:if (display-graphic-p)
:config
;; This is defined in Emacs C code: it belongs to font settings.
(setq x-underline-at-descent-line nil)

;; This is the default value.  Just including it here for
;; completeness.
(setq fontaine-latest-state-file (locate-user-emacs-file "fontaine-latest-state.eld"))

(setq fontaine-presets
      '((small
         :default-height 120)
        (regular
         :default-height 130)
        (medium
         :default-weight semilight
         :default-height 170
         :bold-weight extrabold)
        (large
         :inherit medium
         :default-height 190)
        (presentation
         :inherit medium
         :default-height 250)
        (jumbo
         :inherit medium
         :default-height 330)
        (t
         ;; See the fontaine manual for the technicalities:
         ;; <https://protesilaos.com/emacs/fontaine>.
         :default-family "Noto Sans Mono"
         :default-weight normal
         :variable-pitch-family "Iosevka"
         :variable-pitch-height 1.05)))
(fontaine-set-preset (or (fontaine-restore-latest-preset) 'small))
(fontaine-mode 1))

;;;; Show Font (preview fonts)
;; Read the manual: <https://protesilaos.com/emacs/show-font>
(use-package show-font
  :ensure t
  :commands (show-font-select-preview show-font-list)
  :config
  ;; These are the defaults, but I keep them here for easier access.
  (setq show-font-pangram 'prot)
  (setq show-font-character-sample
        "
ABCDEFGHIJKLMNOPQRSTUVWXYZ
abcdefghijklmnopqrstuvwxyz
0123456789   !@#$¢%^&*~|
`'\"‘’“”.,;:  ()[]{}—-_+=<>

()[]{}<>«»‹› 6bB8&0ODdoa 1tiIlL|\/
!ij c¢ 5$Ss 7Z2z 9gqp nmMNNMW uvvwWuuw
x×X .,·°;:¡!¿?`'‘’   ÄAÃÀ TODO
"))

;;;;; `variable-pitch-mode' setup
(use-package face-remap
  :ensure nil
  :functions prot/enable-variable-pitch
  :bind ( :map ctl-x-x-map
          ("v" . variable-pitch-mode))
  :hook ((text-mode notmuch-show-mode elfeed-show-mode) . prot/enable-variable-pitch)
  :config
  ;; NOTE 2022-11-20: This may not cover every case, though it works
  ;; fine in my workflow.  I am still undecided by EWW.
  (defun prot/enable-variable-pitch ()
    (unless (derived-mode-p 'mhtml-mode 'nxml-mode 'yaml-mode 'prog-mode)
      (variable-pitch-mode 1)))
;;;;; Resize keys with global effect
  :bind
  ;; Emacs 29 introduces commands that resize the font across all
  ;; buffers (including the minibuffer), which is what I want, as
  ;; opposed to doing it only in the current buffer.  The keys are the
  ;; same as the defaults.
  (("C-x C-=" . global-text-scale-adjust)
   ("C-x C-+" . global-text-scale-adjust)
   ("C-x C-0" . global-text-scale-adjust)))

(provide 'nebkor-theme)