;;My EΧWM configuration
;;This files loads before .emacs/init.el when used with emacs-exwm

(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-in-background "nm-applet")
  (apollo/emacs-keys)
  (apollo/restore-wallpaper)
  )

(defun apollo/exwm-update-class ()
  (exwm-workspace-rename-buffer exwm-class-name))


(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)


;; 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-\
	?\C-k
	?\C-y))  

;; 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
					;          ([s-up] . windmove-up)
					;          ([s-down] . windmove-down)


        ;; 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)))

        ,@(mapcar (lambda (i)
                    `(,(kbd (format "s-%d" i)) .
                      (lambda ()
                        (interactive)
                        (exwm-workspace-switch-create ,i))))
                  (number-sequence 0 9))))

(defun exwm-enlarge-horizontally-50 ()
  (interactive)
  (exwm-layout-enlarge-window-horizontally 50))

(defun exwm-shrink-horizontally-50 ()
  "Shrink window horizontally by 10"
  (interactive)
  (exwm-layout-shrink-window-horizontally 50))

(defun exwm-shrink-vertically-50 ()
  "Shrink window by 50."
  (interactive)
  (exwm-layout-shrink-window 50))

(defun exwm-enlarge-vertically-50 ()
  "Enlarge window by 50."
  (interactive)
  (exwm-layout-enlarge-window 50))

(exwm-input-set-key (kbd "C-c d") 'dmenu)
(exwm-input-set-key (kbd "s-<tab>") 'rofi)
(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-input-set-key (kbd "s-0") 'apollo/emacs-keys)
(exwm-input-set-key (kbd "s-9") 'apollo/greek-keyboard)
(exwm-input-set-key (kbd "C-w C-<left>") 'exwm-shrink-horizontally-50)
(exwm-input-set-key (kbd "C-w C-<right>") 'exwm-enlarge-horizontally-50)
(exwm-input-set-key (kbd "C-w C-<up>") 'exwm-shrink-vertically-50)
(exwm-input-set-key (kbd "C-w C-<up>") 'exwm-enlarge-vertically-50)


(exwm-enable)

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