106f62e4f1
Write some Elisp to work with `scrot`, Linux's CLI utility for taking screenshots. It's been too long this that was working as expected! As a bonus, I learned that it's possible to copy images to Linux's clipboard and not just their file paths. This makes for a really nice UX!
66 lines
2.1 KiB
EmacsLisp
66 lines
2.1 KiB
EmacsLisp
;; Author: William Carroll <wpcarro@gmail.com>
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;;; Commentary:
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;; scrot is a Linux utility for taking screenshots.
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;;; Code:
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Dependencies
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(require 'f)
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(require 'string)
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(require 'ts)
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(require 'clipboard)
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(require 'kbd)
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(prelude/assert
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(prelude/executable-exists? "scrot"))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Library
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(defconst scrot/screenshot-directory "~/Downloads"
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"The default directory for screenshot outputs.")
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(defconst scrot/path-to-executable "/usr/bin/scrot"
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"Path to the scrot executable.")
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(defconst scrot/output-format "screenshot_%H:%M:%S_%Y-%m-%d.png"
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"The format string for the output screenshot file.
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See scrot's man page for more information.")
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(defun scrot/copy-image (path)
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"Use xclip to copy the image at PATH to the clipboard.
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This currently only works for PNG files because that's what I'm outputting"
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(call-process "xclip" nil nil nil
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"-selection" "clipboard" "-t" "image/png" path)
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(message (string/format "[scrot.el] Image copied to clipboard!")))
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(defmacro scrot/call (&rest args)
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"Call scrot with ARGS."
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`(call-process ,scrot/path-to-executable nil nil nil ,@args))
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(defun scrot/fullscreen ()
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"Screenshot the entire screen."
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(interactive)
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(let ((screenshot-path (f-join scrot/screenshot-directory
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(ts-format scrot/output-format (ts-now)))))
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(scrot/call screenshot-path)
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(scrot/copy-image screenshot-path)))
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(defun scrot/select ()
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"Click-and-drag to screenshot a region.
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The output path is copied to the user's clipboard."
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(interactive)
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(let ((screenshot-path (f-join scrot/screenshot-directory
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(ts-format scrot/output-format (ts-now)))))
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(scrot/call "--select" screenshot-path)
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(scrot/copy-image screenshot-path)))
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(exwm-input-set-key (kbd/raw 'x11 "s") #'scrot/select)
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(provide 'scrot)
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;;; scrot.el ends here
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