Add global minor modes for features

* exwm-core.el (exwm--define-global-minor-mode):
Macro for arranging EXWM mode hooks, deprecating enabler functions, logging.
* exwm-background.el: Add global mode definition, autoloads
(exwm-background-enable): remove
* exwm-randr.el (randr): as above
(exwm-randr-enable): as above
* exwm-systemtray.el (systemtray): as above
(exwm-systemtray-mode): as above
* exwm-xim.el (xim): as above
(exwm-xim-enable): as above
* exwm-xsettings.el (xsettings): as above
(exwm-xsettings-enable): as above

exwm-background.el

@@ -43,7 +43,7 @@
   :initialize #'custom-initialize-default
   :set (lambda (symbol value)
          (set-default-toplevel-value symbol value)
-         (exwm-background--update)))
+         (when (bound-and-true-p exwm-background-mode) (exwm-background--update))))
 
 (defconst exwm-background--properties '("_XROOTPMAP_ID" "_XSETROOT_ID" "ESETROOT_PMAP_ID")
   "The background properties to set.
@@ -188,11 +188,12 @@ may kill this connection when they replace it.")
         exwm-background--connection nil
         exwm-background--atoms nil))
 
-(defun exwm-background-enable ()
-  "Enable background support for EXWM."
-  (exwm--log)
-  (add-hook 'exwm-init-hook #'exwm-background--init)
-  (add-hook 'exwm-exit-hook #'exwm-background--exit))
+;;;###autoload(autoload 'exwm-background-mode "exwm-background" nil t)
+;;;###autoload(defvar exwm-background-mode nil)
+;;;###autoload(custom-autoload 'exwm-background-mode "exwm-background" nil)
+;;;###autoload(autoload 'exwm-background-mode "exwm-background"
+;;;###autoload"Global minor mode for toggling EXWM Background support." t)
+(exwm--define-global-minor-mode background)
 
 (provide 'exwm-background)
 

exwm-core.el

@@ -408,6 +408,40 @@ One of `line-mode' or `char-mode'.")
         right-fringe-width 0
         vertical-scroll-bar nil))
 
+(defmacro exwm--define-global-minor-mode (name &optional init exit)
+  "Define EXWM namespaced global minor mode with NAME.
+EXWM's init-hook and exit-hook are modified to call INIT and EXIT functions.
+If an X connection exists, the mode is immediately enabled or disabled."
+  (declare (indent 1) (debug t))
+  (let* ((mode (intern (format "exwm-%s-mode" name)))
+         (enable (intern (format "exwm-%s-enable" name)))
+         (init (or init (intern (format "exwm-%s--init" name))))
+         (exit (or exit (intern (format "exwm-%s--exit" name))))
+         (doc (save-excursion
+                (when (re-search-backward "^;;;###autoload\\(.*\\)$" nil t)
+                  (replace-regexp-in-string "\"\\(.*\\)\".*"
+                                            "\\1"
+                                            (match-string-no-properties 1))))))
+    `(prog1
+         (define-minor-mode ,mode
+           ,doc
+           :global t
+           :group 'exwm
+           (exwm--log)
+           (cond
+            (,mode
+             (add-hook 'exwm-init-hook #',init)
+             (add-hook 'exwm-exit-hook #',exit)
+             (when exwm--connection (,init)))
+            (t
+             (remove-hook 'exwm-init-hook #',init)
+             (remove-hook 'exwm-exit-hook #',exit)
+             (when exwm--connection (,exit)))))
+       (defun ,(intern (format "exwm-%s-enable" name)) nil
+          ,(format "Enable EXWM %s support." name)
+         (,mode 1))
+       (make-obsolete #',enable ,(format "Use `%s' instead." mode) "0.40"))))
+
 
 
 (provide 'exwm-core)

exwm-randr.el

@@ -356,11 +356,12 @@ Refresh when any RandR 1.5 monitor changes."
   (exwm--log)
   (remove-hook 'exwm-workspace-list-change-hook #'exwm-randr-refresh))
 
-(defun exwm-randr-enable ()
-  "Enable RandR support for EXWM."
-  (exwm--log)
-  (add-hook 'exwm-init-hook #'exwm-randr--init)
-  (add-hook 'exwm-exit-hook #'exwm-randr--exit))
+;;;###autoload(autoload 'exwm-randr-mode "exwm-randr" nil t)
+;;;###autoload(defvar exwm-randr-mode nil)
+;;;###autoload(custom-autoload 'exwm-randr-mode "exwm-randr" nil)
+;;;###autoload(autoload 'exwm-randr-mode "exwm-randr"
+;;;###autoload"Global minor mode for toggling EXWM Randr support." t)
+(exwm--define-global-minor-mode randr)
 
 
 

exwm-systemtray.el

@@ -50,6 +50,13 @@
   "System tray."
   :group 'exwm)
 
+;;;###autoload(autoload 'exwm-systemtray-mode "exwm-systemtray" nil t)
+;;;###autoload(defvar exwm-systemtray-mode nil)
+;;;###autoload(custom-autoload 'exwm-systemtray-mode "exwm-systemtray" nil)
+;;;###autoload(autoload 'exwm-systemtray-mode "exwm-systemtray"
+;;;###autoload"Global minor mode for toggling EXWM Systemtray support." t)
+(exwm--define-global-minor-mode systemtray)
+
 (defcustom exwm-systemtray-height nil
   "System tray height.
 
@@ -87,7 +94,8 @@ TrueColor-24\" can be used to force Emacs to use 24-bit depth."
 using 32-bit depth.  Using `workspace-background' instead.")
            (setq value 'workspace-background))
          (set-default symbol value)
-         (when (and exwm-systemtray--connection
+         (when (and exwm-systemtray-mode
+                    exwm-systemtray--connection
                     exwm-systemtray--embedder-window)
            ;; Change the background color for embedder.
            (exwm-systemtray--set-background-color)
@@ -679,12 +687,6 @@ Argument DATA contains the raw event data."
     (when (boundp 'exwm-randr-refresh-hook)
       (remove-hook 'exwm-randr-refresh-hook #'exwm-systemtray--refresh-all))))
 
-(defun exwm-systemtray-enable ()
-  "Enable system tray support for EXWM."
-  (exwm--log)
-  (add-hook 'exwm-init-hook #'exwm-systemtray--init)
-  (add-hook 'exwm-exit-hook #'exwm-systemtray--exit))
-
 
 
 (provide 'exwm-systemtray)

exwm-xim.el

@@ -797,11 +797,12 @@ Such event would be received when the client window is destroyed."
   (xcb:disconnect exwm-xim--conn)
   (setq exwm-xim--conn nil))
 
-(defun exwm-xim-enable ()
-  "Enable XIM support for EXWM."
-  (exwm--log)
-  (add-hook 'exwm-init-hook #'exwm-xim--init)
-  (add-hook 'exwm-exit-hook #'exwm-xim--exit))
+;;;###autoload(autoload 'exwm-xim-mode "exwm-xim" nil t)
+;;;###autoload(defvar exwm-xim-mode nil)
+;;;###autoload(custom-autoload 'exwm-xim-mode "exwm-xim" nil)
+;;;###autoload(autoload 'exwm-xim-mode "exwm-xim"
+;;;###autoload"Global minor mode for toggling EXWM XIM support." t)
+(exwm--define-global-minor-mode xim)
 
 
 

exwm-xsettings.el

@@ -58,6 +58,13 @@
 (defvar exwm-xsettings--selection-owner-window nil)
 (defvar exwm-xsettings--serial 0)
 
+;;;###autoload(autoload 'exwm-xsettings-mode "exwm-xsettings" nil t)
+;;;###autoload(defvar exwm-xsettings-mode nil)
+;;;###autoload(custom-autoload 'exwm-xsettings-mode "exwm-xsettings" nil)
+;;;###autoload(autoload 'exwm-xsettings-mode "exwm-xsettings"
+;;;###autoload"Global minor mode for toggling EXWM Xsettings support." t)
+(exwm--define-global-minor-mode xsettings)
+
 (defun exwm-xsettings--rgba-match (_widget value)
   "Return t if VALUE is a valid RGBA color."
   (and (numberp value) (<= 0 value 1)))
@@ -67,7 +74,7 @@
 
 SYMBOL is the setting being updated and VALUE is the new value."
   (set-default-toplevel-value symbol value)
-  (exwm-xsettings--update-settings))
+  (when exwm-xsettings-mode (exwm-xsettings--update-settings)))
 
 (defgroup exwm-xsettings nil
   "XSETTINGS."
@@ -325,12 +332,6 @@ SERIAL is a sequence number."
           exwm-xsettings--XSETTINGS_S0-atom nil
           exwm-xsettings--selection-owner-window nil)))
 
-(defun exwm-xsettings-enable ()
-  "Enable xsettings support for EXWM."
-  (exwm--log)
-  (add-hook 'exwm-init-hook #'exwm-xsettings--init)
-  (add-hook 'exwm-exit-hook #'exwm-xsettings--exit))
-
 (provide 'exwm-xsettings)
 
 ;;; exwm-xsettings.el ends here