6b456c1b7a
Currently paying the price of months of non-diligent git usage. Here's what has changed. - Theming support in Gvcci and wpgtk - Dropping support for i3 - Supporting EXWM - Many Elisp modules - Collapsed redundant directories in ./configs
84 lines
2.6 KiB
EmacsLisp
84 lines
2.6 KiB
EmacsLisp
;;; 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 'fs)
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(require 'cycle)
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(require 'string)
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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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(shell-command (string/format "feh --bg-scale --no-fehbg %s" 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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(evil-leader/set-key
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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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