;;; package : EXWM configuration ---
;;; .* --- .*

;;; Code:

;; (use-package dmenu
;;   :bind
;;   ("s-d" . dmenu))

(defun apollo/rofi-switch-window ()
  "Launch rofi.  Cant get it to work with exwm as of now tho."
  (interactive)
  (start-process-shell-command
   "rofi" nil "rofi -show window"))
;; (global-set-key (kbd "s-<tab>") 'apollo/run_rofi)

(defun apollo/run-in-background (command)
  "Run COMMAND in the background."
  (let ((command-parts (split-string command "[ ]+")))
    (apply #'call-process `(,(car command-parts) nil 0 nil ,@(cdr command-parts)))))

(defun apollo/volume-increase ()
  "Increase Volume."
  (interactive)
  (start-process-shell-command
   "amixer" nil "amixer sset Master 5%+"))
(defun apollo/volume-decrease ()
  "Decrease Volume."
  (interactive)
  (start-process-shell-command
   "amixer" nil "amixer sset Master 5%-"))

(defun apollo/set-wallpaper ()
  "Restore wallpaper."
  (interactive)
  (start-process-shell-command
   "nitrogen" nil  "nitrogen --restore"))

(defun apollo/change-keys ()
    "Swap caps with ctrl."
    (interactive)
    (start-process-shell-command
     "setxkbmap" nil "setxkbmap -option ctrl:swapcaps"))

(defun apollo/exwm-init-hook ()
  "Do this upon start."
  (display-battery-mode 0)  ;;Change to 1 to display battery

  (setq display-time-day-and-date t)
  (display-time-mode 1)

  ;;Launch apps that will run in the background
;;  (apollo/run-in-background "blueman-applet")
  (apollo/run-in-background "picom")
;;  (apollo/run-background "nm-applet")
  (apollo/change-keys)
  (apollo/set-wallpaper)
  )
  
(defun apollo/exwm-update-class ()
  (exwm-workspace-rename-buffer exwm-class-name))

(use-package exwm
  :config
  (setq exwm-workspace-number 6)
    ;; When window "class" updates, use it to set the buffer name
  (add-hook 'exwm-update-class-hook #'apollo/exwm-update-class)

  ;;When EXWM starts up, run this hook
  (add-hook 'exwm-init-hook #'apollo/exwm-init-hook)
  (start-process-shell-command
   "xrandr" nil "xrandr --output DisplayPort-2 --primary --mode 2560x1440 --pos 1920x0 --rotate normal --output HDMI-A-0 --mode 1920x1080 --pos 0x0 --rotate normal")
  
  ;; Set the screen resolution
  
   (require 'exwm-randr)
   (setq exwm-randr-workspace-output-plist '(1 "DP-1" 2 "HDMI-A-0"))
   (add-hook 'exwm-randr-screen-change-hook
             (lambda ()
               (start-process-shell-command
		"xrandr" nil "xrandr --output DisplayPort-2 --primary --mode 2560x1440 --pos 1920x0 --rotate normal --output HDMI-A-0 --mode 1920x1080 --pos 0x0 --rotate normal" )))
   (exwm-randr-enable)
  
  ;; (start-process-shell-command "xrandr" nil "xrandr --output Virtual-1 --primary --mode 2048x1152 --pos 0x0 --rotate normal")

  ;; Load the system tray before exwm-init
  (require 'exwm-systemtray)
  (exwm-systemtray-enable)

  ;; These keys should always pass through to Emacs
  (setq exwm-input-prefix-keys
    '(?\C-x
      ?\C-u
      ?\C-h
      ?\C-w
      ?\M-x
      ?\M-`
      ?\M-&
      ?\M-:
      ?\s-d
      ?\C-\M-j  ;; Buffer list
      ?\C-\ ))  ;; Ctrl+Space

  ;; Ctrl+Q will enable the next key to be sent directly
  (define-key exwm-mode-map [?\C-q] 'exwm-input-send-next-key)

  ;; Set up global key bindings.  These always work, no matter the input state!
  ;; Keep in mind that changing this list after EXWM initializes has no effect.
  (setq exwm-input-global-keys
        `(
          ;; Reset to line-mode (C-c C-k switches to char-mode via exwm-input-release-keyboard)
          ([?\s-r] . exwm-reset)

          ;; Move between windows
          ([C-w C-p] . windmove-left)
          ([C-w C-n] . windmove-right)
;          ([s-up] . windmove-up)
;          ([s-down] . windmove-down)
	  ([C-w C-v] . split-window-right)

          ;; Launch applications via shell command
          ([?\s-&] . (lambda (command)
                       (interactive (list (read-shell-command "$ ")))
                       (start-process-shell-command command nil command)))

          ;; Switch workspace
          ([?\s-e] . exwm-workspace-switch)
          ([?\s-`] . (lambda () (interactive) (exwm-workspace-switch-create 0)))
          ([?\s-1] . (lambda () (interactive) (exwm-workspace-switch-create 1)))
          ([?\s-2] . (lambda () (interactive) (exwm-workspace-switch-create 2)))
          ([?\s-3] . (lambda () (interactive) (exwm-workspace-switch-create 3)))
          ([?\s-4] . (lambda () (interactive) (exwm-workspace-switch-create 4)))

          ;; 's-N': Switch to certain workspace with Super (Win) plus a number key (0 - 9)
          ,@(mapcar (lambda (i)
                      `(,(kbd (format "s-%d" i)) .
                        (lambda ()
                          (interactive)
                          (exwm-workspace-switch-create ,i))))
                    (number-sequence 0 9))))
  
  (exwm-input-set-key (kbd "s-d") 'dmenu)
  (exwm-input-set-key (kbd "s-<tab>") 'apollo/rofi-switch-window)
  (exwm-input-set-key (kbd "s-q") 'kill-emacs)
  (exwm-input-set-key (kbd "<XF86AudioRaiseVolume>") 'apollo/volume-increase)
  (exwm-input-set-key (kbd "<XF86AudioLowerVolume>") 'apollo/volume-decrease)
  (exwm-enable))

;;Transparency
(set-frame-parameter (selected-frame) 'alpha '(90 90))
(add-to-list 'default-frame-alist '(alpha 90 90))

;;Follow focus using exwm-mff
(use-package exwm-mff
  :init
  (exwm-mff-mode))

;;; init-exwm.el ends here