Add cleanup codes for Emacs daemon

* exwm-floating.el (exwm-floating--exit):
* exwm-input.el (exwm-input--exit):
* exwm-layout.el (exwm-layout--exit):
* exwm-manage.el (exwm-manage--exit):
* exwm-randr.el (exwm-randr--exit):
* exwm-systemtray.el (exwm-systemtray--exit):
* exwm-workspace.el (exwm-workspace--exit):
New functions for cleanup each module.

* exwm-input.el (exwm-input--on-pre-command, exwm-input--on-post-command)
(exwm-input--init): Name lambda functions.

* exwm-layout.el (exwm-layout--timer, exwm-layout--init): Save timer.

* exwm-randr.el (exwm-randr-enable): Register the cleanup function.

* exwm-systemtray.el (exwm-systemtray--init): Force refresh atoms in XEMBED
and system tray protocols.
(exwm-systemtray-enable): Register the cleanup function.

* exwm-workspace.el (exwm-workspace--client): Save the server process.
(exwm-workspace--confirm-kill-emacs): Add emacsclient-specific
cleanup codes.
(exwm-workspace--timer): Save the timer.
(exwm-workspace--init): Save the server process and timer;
fix problems with emacsclient frames.

* exwm.el (exwm-init): Always select the newly created frame;
force refresh ICCCM & EWMH atoms.
(exwm-exit-hook): New hook for holding cleanup codes.
(exwm--exit): Run `exwm-exit-hook', execute cleanup codes for
each module and reset the environment.

1 files changed, 13 insertions, 1 deletions

diff --git a/exwm-layout.el b/exwm-layout.el
index 9cbdd2b83d30..0069767d1a73 100644
--- a/exwm-layout.el
+++ b/exwm-layout.el
@@ -528,6 +528,8 @@ See also `exwm-layout-enlarge-window'."
         (exwm-layout-hide-mode-line)
       (exwm-layout-show-mode-line))))
 
+(defvar exwm-layout--timer nil "Timer used to track echo area changes.")
+
 (defun exwm-layout--init ()
   "Initialize layout module."
   ;; Auto refresh layout
@@ -535,9 +537,19 @@ See also `exwm-layout-enlarge-window'."
   (unless (exwm-workspace--minibuffer-own-frame-p)
     ;; Refresh when minibuffer grows
     (add-hook 'minibuffer-setup-hook #'exwm-layout--on-minibuffer-setup t)
-    (run-with-idle-timer 0 t #'exwm-layout--on-echo-area-change t)
+    (setq exwm-layout--timer
+          (run-with-idle-timer 0 t #'exwm-layout--on-echo-area-change t))
     (add-hook 'echo-area-clear-hook #'exwm-layout--on-echo-area-change)))
 
+(defun exwm-layout--exit ()
+  "Exit the layout module."
+  (remove-hook 'window-configuration-change-hook #'exwm-layout--refresh)
+  (remove-hook 'minibuffer-setup-hook #'exwm-layout--on-minibuffer-setup)
+  (when exwm-layout--timer
+    (cancel-timer exwm-layout--timer)
+    (setq exwm-layout--timer nil))
+  (remove-hook 'echo-area-clear-hook #'exwm-layout--on-echo-area-change))
+
 
 
 (provide 'exwm-layout)