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|
;;; display.el --- Working with single or multiple displays -*- lexical-binding: t -*-
;; Author: William Carroll <wpcarro@gmail.com>
;;; Commentary:
;; Mostly wrappers around xrandr.
;;
;; TODO: Look into autorandr to see if it could be useful.
;;
;; Troubleshooting:
;; The following commands help me when I (infrequently) interact with xrandr.
;; - xrandr --listmonitors
;; - xrandr --query
;;; Code:
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Dependencies
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(require 'prelude)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Constants
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defconst display/install-kbds? t
"When t, install the keybindings defined in this module.")
;; TODO: Consider if this logic should be conditioned by `device/work-laptop?'.
(defconst display/laptop-monitor "eDP1"
"The xrandr identifier for my primary screen (on work laptop).")
;; TODO: Why is HDMI-1, eDP-1 sometimes and HDMI1, eDP1 other times.
(defconst display/4k-monitor "HDMI1"
"The xrandr identifer for my 4K monitor.")
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Library
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; TODO: Debug why something this scales to 4k appropriately and other times it
;; doesn't.
(defun display/enable-4k ()
"Attempt to connect to my 4K monitor."
(interactive)
(prelude/start-process
:name "display/enable-4k"
:command (string/format
"xrandr --output %s --above %s --primary --auto --size 3840x2160 --rate 30.00 --dpi 144"
display/4k-monitor
display/laptop-monitor)))
(defun display/disable-4k ()
"Disconnect from the 4K monitor."
(interactive)
(prelude/start-process
:name "display/disable-4k"
:command (string/format "xrandr --output %s --off"
display/4k-monitor)))
(defun display/enable-laptop ()
"Turn the laptop monitor off.
Sometimes this is useful when I'm sharing my screen in a Google Hangout and I
only want to present one of my monitors."
(interactive)
(prelude/start-process
:name "display/disable-laptop"
:command (string/format "xrandr --output %s --auto"
display/laptop-monitor)))
(defun display/disable-laptop ()
"Turn the laptop monitor off.
Sometimes this is useful when I'm sharing my screen in a Google Hangout and I
only want to present one of my monitors."
(interactive)
(prelude/start-process
:name "display/disable-laptop"
:command (string/format "xrandr --output %s --off"
display/laptop-monitor)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Keybindings
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(when display/install-kbds?
(general-define-key
:prefix "<SPC>"
:states '(normal)
"d0" #'display/disable-laptop
"d1" #'display/enable-laptop)
(general-define-key
:prefix "<SPC>"
:states '(normal)
"D0" #'display/disable-4k
"D1" #'display/enable-4k))
(provide 'display)
;;; display.el ends here
|
