675b8084c7
I'll be working without an external monitor for the next few months, so I prefer this smaller size.
153 lines
4.4 KiB
EmacsLisp
153 lines
4.4 KiB
EmacsLisp
;;; fonts.el --- Font preferences -*- lexical-binding: t -*-
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;; Author: William Carroll <wpcarro@gmail.com>
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;;; Commentary:
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;; Control my font preferences with ELisp.
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;;; Code:
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;; TODO: `defcustom' font-size.
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;; TODO: `defcustom' fonts.
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;; TODO: Remove wpc/ namespace.
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Dependencies
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(require 'prelude)
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(require 'cycle)
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(require 'device)
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(require 'maybe)
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(require 'general)
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Constants
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; TODO: Troubleshoot why "8" appears so large on my desktop.
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;; TODO: Consider having a different font size when I'm using my 4K monitor.
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(defconst fonts/size
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(pcase (device/classify)
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('work-laptop "10")
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('work-desktop "8"))
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"My preferred default font-size, which is device specific.")
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(defconst fonts/keybindings? t
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"Install the keybindings when non-nil.")
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(defconst fonts/size-step 10
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"The amount (%) by which to increase or decrease a font.")
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(defconst fonts/hacker-news-recommendations
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'("APL385 Unicode"
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"Go Mono"
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"Sudo"
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"Monoid"
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"Input Mono Medium" ;; NOTE: Also "Input Mono Thin" is nice.
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)
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"List of fonts optimized for programming I found in a HN article.")
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(defconst fonts/whitelist
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(cycle/from-list
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(list/concat
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fonts/hacker-news-recommendations
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'("JetBrainsMono"
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"Mononoki Medium"
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"Monospace"
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"Operator Mono Light"
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"Courier"
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"Andale Mono"
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"Source Code Pro"
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"Terminus")))
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"This is a list of my preferred fonts.")
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Functions
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; TODO: fonts and fonts/whitelist make it difficult to name functions like
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;; fonts/set as a generic Emacs function vs choosing a font from the whitelist.
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(cl-defun fonts/cycle (&key forward?)
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"Cycle forwards when `FORWARD?' non-nil."
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(let ((font (if forward?
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(cycle/next fonts/whitelist)
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(cycle/prev fonts/whitelist))))
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(message (s-concat "Active font: " font))
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(fonts/set font)))
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(defun fonts/next ()
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"Quickly cycle through preferred fonts."
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(interactive)
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(fonts/cycle :forward? t))
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(defun fonts/prev ()
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"Quickly cycle through preferred fonts."
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(interactive)
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(fonts/cycle :forward? nil))
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(defun fonts/set (font &optional size)
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"Change the font to `FONT' with option integer, SIZE, in pixels."
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(if (maybe/some? size)
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(set-frame-font (string/format "%s %s" font size) nil t)
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(set-frame-font font nil t)))
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(defun fonts/whitelist-set (font)
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"Focuses the FONT in the `fonts/whitelist' cycle.
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The size of the font is determined by `fonts/size'."
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(prelude/assert (cycle/contains? font fonts/whitelist))
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(cycle/focus (lambda (x) (equal x font)) fonts/whitelist)
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(fonts/set (fonts/current) fonts/size))
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(defun fonts/ivy-select ()
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"Select a font from an ivy prompt."
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(interactive)
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(fonts/whitelist-set
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(ivy-read "Font: " (cycle/to-list fonts/whitelist))))
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(defun fonts/print-current ()
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"Message the currently enabled font."
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(interactive)
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(message
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(string/format "[fonts] Current font: \"%s\""
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(fonts/current))))
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(defun fonts/current ()
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"Return the currently enabled font."
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(cycle/current fonts/whitelist))
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(defun fonts/increase-size ()
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"Increase font size."
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(interactive)
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(->> (face-attribute 'default :height)
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(+ fonts/size-step)
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(set-face-attribute 'default (selected-frame) :height)))
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(defun fonts/decrease-size ()
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"Decrease font size."
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(interactive)
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(->> (face-attribute 'default :height)
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(+ (- fonts/size-step))
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(set-face-attribute 'default (selected-frame) :height)))
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(defun fonts/reset-size ()
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"Restore font size to its default value."
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(interactive)
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(fonts/whitelist-set (fonts/current)))
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(when fonts/keybindings?
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(progn
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(general-define-key
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:prefix "<SPC>"
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:states '(normal)
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"Ff" #'fonts/next
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"Pf" #'fonts/prev)
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(general-define-key "s-9" #'fonts/ivy-select)
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(general-define-key "s-0" #'fonts/reset-size)
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(general-define-key "s-j" #'fonts/decrease-size)
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(general-define-key "s-k" #'fonts/increase-size)))
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(provide 'fonts)
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;;; fonts.el ends here
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