Delete {themes,wallpaper}.el
After my CI build for Emacs failed because the .local/share/wallpaper directory was missing I had two options: A. include .local/share/wallpaper in default.nix, which is cumbersome B. drop support for managing system wallpaper from Emacs I chose option B.
This commit is contained in:
William Carroll
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3 changed files with 4 additions and 246 deletions
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;;; themes.el --- Functions for working with my themes. -*- lexical-binding: t -*-
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;; Author: William Carroll <wpcarro@gmail.com>
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;;; Commentary:
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;; Because I couldn't get cycle-themes to work, I'm writing my own version.
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;;
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;; Terminology:
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;; - colorscheme: determines the colors used by syntax highlighting and other
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;; Emacs UI elements.
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;; - theme: Structural representation of a "theme" that includes colorscheme
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;; (see above), font, wallpaper. "theme" is a superset of "colorscheme".
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;;
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;; Wishlist:
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;; - TODO: Support Rick & Morty theme.
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;; - TODO: Support retro/arcade/80s theme.
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;;; Code:
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Dependencies
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(require 'prelude)
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(require 'alist)
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(require 'symbol)
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(require 'f)
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(require 'wallpaper)
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(require 'fonts)
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(require 'cycle)
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(require 'symbol)
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(require 'random)
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(require 'colorscheme)
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(require 'dotted)
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Library
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; The theme struct couples a font, a wallpaper, and a colorschemes.
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(cl-defstruct theme font wallpaper colorscheme)
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(defvar themes/current nil
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"Store the name of the currently enabled theme.")
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(defconst themes/preferred-font "JetBrainsMono"
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"The font I currently favor.")
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(defconst themes/themes
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(list (dotted/new "Forest"
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(make-theme
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:font themes/preferred-font
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:wallpaper "forest_8k.jpg"
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:colorscheme 'doom-peacock))
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(dotted/new "Geometry"
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(make-theme
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:font themes/preferred-font
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:wallpaper "geometric_4k.jpg"
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:colorscheme 'doom-molokai))
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(dotted/new "Shapely Patterns"
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(make-theme
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:font themes/preferred-font
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:wallpaper "geometric_dark_4k.jpg"
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:colorscheme 'doom-vibrant))
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;; TODO: Support setting backgrounds as solid colors.
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(dotted/new "Gruvbox"
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(make-theme
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:font themes/preferred-font
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:wallpaper "forest_8k.jpg"
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:colorscheme 'doom-gruvbox))
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(dotted/new "Solarized Light"
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(make-theme
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:font themes/preferred-font
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:wallpaper "solarized_light_thinkpad.jpg"
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:colorscheme 'doom-solarized-light))
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(dotted/new "Fantasy Tree"
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(make-theme
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:font themes/preferred-font
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:wallpaper "fantasy_tree_4k.jpg"
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:colorscheme 'doom-outrun-electric)))
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"Predefined themes to suit my whims.")
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;; TODO: Choose between plural and singular names for Elisp modules. For
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;; example, why have themes.el and colorscheme.el. I think singular is
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;; preferable.
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;; TODO: Decide between "message", "show", "print", "inspect" for naming
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;; commands that output human-readable information to the "*Messages*" buffer.
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;; TODO: Is there a idiomatic CL/Elisp way to print struct information?
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(defun themes/print (name)
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"Print a human-readable description of theme named NAME."
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(let* ((theme (alist/get name themes/themes))
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(f (theme-font theme))
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(w (theme-wallpaper theme))
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(c (theme-colorscheme theme)))
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(message (string/format
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"[themes] Name: %s. Font: %s. Wallpaper: %s. Colorscheme: %s"
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name f w c))))
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;; TODO: Make this into a proper test.
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(defun themes/debug ()
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"Print a human-readable description of theme named NAME."
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(interactive)
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(let ((theme (alist/get themes/current themes/themes)))
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(prelude/assert (equal (theme-font theme)
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(fonts/current)))
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(prelude/assert (equal (theme-wallpaper theme)
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(f-filename (wallpaper/current))))
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(prelude/assert (equal (theme-colorscheme theme)
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(colorscheme/current)))
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(message "[themes] Debug couldn't find any inconsistencies. All good!")))
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;; TODO: Assert that all of the dependencies exist before attempting to load
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;; theme.
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;; TODO: Provide a friendlier way to define themes.
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(defun themes/ivy-select ()
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"Use ivy to interactively load a theme."
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(interactive)
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(let* ((name (ivy-read "Theme: " (alist/keys themes/themes))))
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(message (string/format "name: %s" name))
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(themes/set name)))
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(defun themes/load (theme)
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"Load the struct, THEME."
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(colorscheme/disable-all)
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(let* ((font (theme-font theme))
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(wallpaper (theme-wallpaper theme))
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(colorscheme (theme-colorscheme theme)))
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(fonts/whitelist-set font)
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(wallpaper/whitelist-set (f-join wallpaper/path-to-dir wallpaper))
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(colorscheme/whitelist-set colorscheme)))
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(defun themes/set (name)
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"Set the currently enabled theme to the theme named NAME.
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NAME needs to a key defined in `themes/themes'."
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(prelude/assert (alist/has-key? name themes/themes))
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(themes/load (alist/get name themes/themes))
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(setq themes/current name))
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(defun themes/print-current ()
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"Print the currently enabled theme."
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(interactive)
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(themes/print themes/current))
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(defun themes/random ()
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"Return the name of a randomly selected theme in `themes/themes'."
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(->> themes/themes
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alist/keys
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random/choice))
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(provide 'themes)
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;;; themes.el ends here
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@ -1,92 +0,0 @@
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;;; wallpaper.el --- Control Linux desktop wallpaper -*- lexical-binding: t -*-
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;; Author: William Carroll <wpcarro@gmail.com>
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;;; Commentary:
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;; Functions for setting desktop wallpaper.
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;;; Code:
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Dependencies
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(require 'prelude)
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(require 'fs)
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(require 'cycle)
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(require 'string)
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(require 'general)
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Library
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(defcustom wallpaper/keybindings? t
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"If non-nil, install the keybindings.")
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(defcustom wallpaper/path-to-dir
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(f-expand "~/.local/share/wallpaper")
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"Path to the images that will be used as the wallpaper.")
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(defconst wallpaper/whitelist
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(cycle/from-list
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(fs/ls wallpaper/path-to-dir t))
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"My preferred computer wallpapers.")
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(defun wallpaper/set (path)
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"Set computer wallpaper to image at `PATH' using `feh` under-the-hood.
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`PATH' can be absolute or relative since `f-expand' is called in the function
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body to ensure feh can resolve the path."
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(prelude/start-process
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:name "wallpaper/set"
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:command (string/format "feh --bg-scale --no-feh-bg %s" (f-expand path))))
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(defun wallpaper/whitelist-set (wallpaper)
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"Focuses the WALLPAPER in the `wallpaper/whitelist' cycle."
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(cycle/focus (lambda (x) (equal x wallpaper)) wallpaper/whitelist)
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(wallpaper/set (wallpaper/current)))
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(defun wallpaper/next ()
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"Cycles to the next wallpaper."
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(interactive)
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(let ((wallpaper (cycle/next wallpaper/whitelist)))
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(wallpaper/set wallpaper)
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(message (string/format "Active wallpaper: %s" (f-filename wallpaper)))))
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(defun wallpaper/prev ()
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"Cycles to the previous wallpaper."
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(interactive)
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(let ((wallpaper (cycle/prev wallpaper/whitelist)))
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(wallpaper/set wallpaper)
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(message (string/format "Active wallpaper: %s" (f-filename wallpaper)))))
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;; TODO: Define a macro that handles, next, prev, select, current for working
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;; with cycles, since this is a common pattern.
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(defun wallpaper/print-current ()
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"Message the currently enabled wallpaper."
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(interactive)
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(message
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(cycle/current wallpaper/whitelist)))
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(defun wallpaper/current ()
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"Return the currently enabled wallpaper."
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(cycle/current wallpaper/whitelist))
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(defun wallpaper/ivy-select ()
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"Use `counsel' to select and set a wallpaper from the `wallpaper/whitelist'."
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(interactive)
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(wallpaper/whitelist-set
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(ivy-read "Select wallpaper: " (cycle/to-list wallpaper/whitelist))))
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;; TODO: Create macro-based module system that will auto-namespace functions,
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;; constants, etc. with the filename like `wallpaper'.
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(when wallpaper/keybindings?
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(general-define-key
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:prefix "<SPC>"
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:states '(normal)
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"Fw" #'wallpaper/next
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"Pw" #'wallpaper/prev))
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(provide 'wallpaper)
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;;; wallpaper.el ends here
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@ -12,7 +12,8 @@
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(require 'prelude)
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(require 'alist)
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(require 'themes)
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(require 'fonts)
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(require 'colorscheme)
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(require 'device)
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(require 'laptop-battery)
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(require 'modeline)
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(when (device/work-laptop?)
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(laptop-battery/display))
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;; Load a theme
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(themes/set "Solarized Light")
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(fonts/whitelist-set "JetBrainsMono")
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(colorscheme/whitelist-set 'doom-solarized-light)
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(modeline/setup)
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