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Add cleanup codes for Emacs daemon

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* 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.
This commit is contained in:
Chris Feng 2016-05-23 19:13:42 +08:00
parent dc0c0f5131
commit 1b2ae3749e
8 changed files with 149 additions and 22 deletions
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3
exwm-floating.el
View file

@ -622,6 +622,9 @@ Both DELTA-X and DELTA-Y default to 1. This command should be bound locally."
exwm-floating--cursor-left
(xcb:cursor:load-cursor exwm--connection "left_side")))
(defun exwm-floating--exit ()
"Exit the floating module.")
(provide 'exwm-floating)

20
exwm-input.el
View file

@ -476,6 +476,14 @@ SIMULATION-KEYS is an alist of the form (original-key . simulated-key)."
(dolist (j pair)
(exwm-input--fake-key j))))))
(defun exwm-input--on-pre-command ()
"Run in `pre-command-hook'."
(setq exwm-input--during-command t))
(defun exwm-input--on-post-command ()
"Run in `post-command-hook'."
(setq exwm-input--during-command nil))
(declare-function exwm-floating--stop-moveresize "exwm-floating.el"
(&rest _args))
(declare-function exwm-floating--do-moveresize "exwm-floating.el"
@ -510,14 +518,20 @@ SIMULATION-KEYS is an alist of the form (original-key . simulated-key)."
;; `pre-command-hook' marks the end of a key sequence (existing or not)
(add-hook 'pre-command-hook #'exwm-input--finish-key-sequence)
;; Control `exwm-input--during-command'
(add-hook 'pre-command-hook (lambda () (setq exwm-input--during-command t)))
(add-hook 'post-command-hook
(lambda () (setq exwm-input--during-command nil)))
(add-hook 'pre-command-hook #'exwm-input--on-pre-command)
(add-hook 'post-command-hook #'exwm-input--on-post-command)
;; Update focus when buffer list updates
(add-hook 'buffer-list-update-hook #'exwm-input--on-buffer-list-update)
;; Update prefix keys for global keys
(exwm-input--update-global-prefix-keys))
(defun exwm-input--exit ()
"Exit the input module."
(remove-hook 'pre-command-hook #'exwm-input--finish-key-sequence)
(remove-hook 'pre-command-hook #'exwm-input--on-pre-command)
(remove-hook 'post-command-hook #'exwm-input--on-post-command)
(remove-hook 'buffer-list-update-hook #'exwm-input--on-buffer-list-update))
(provide 'exwm-input)

14
exwm-layout.el
View file

@ -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)

4
exwm-manage.el
View file

@ -555,6 +555,10 @@ border-width: %d; sibling: #x%x; stack-mode: %d"
(xcb:+event exwm--connection 'xcb:DestroyNotify
#'exwm-manage--on-DestroyNotify))
(defun exwm-manage--exit ()
"Exit the manage module."
(setq exwm-manage--_MOTIF_WM_HINTS nil))
(provide 'exwm-manage)

6
exwm-randr.el
View file

@ -164,9 +164,13 @@
))
(xcb:flush exwm--connection)))))
(defun exwm-randr--exit ()
"Exit the RandR module.")
(defun exwm-randr-enable ()
"Enable RandR support for EXWM."
(add-hook 'exwm-init-hook #'exwm-randr--init))
(add-hook 'exwm-init-hook #'exwm-randr--init)
(add-hook 'exwm-exit-hook #'exwm-randr--exit))

24
exwm-systemtray.el
View file

@ -311,8 +311,8 @@ You shall use the default value if using auto-hide minibuffer.")
'process)
nil)
;; Initialize XELB modules.
(xcb:xembed:init exwm-systemtray--connection)
(xcb:systemtray:init exwm-systemtray--connection)
(xcb:xembed:init exwm-systemtray--connection t)
(xcb:systemtray:init exwm-systemtray--connection t)
;; Acquire the manager selection _NET_SYSTEM_TRAY_S0.
(with-slots (owner)
(xcb:+request-unchecked+reply exwm-systemtray--connection
@ -399,11 +399,27 @@ You shall use the default value if using auto-hide minibuffer.")
#'exwm-systemtray--on-ClientMessage)
;; Add hook to move/reparent the embedder.
(add-hook 'exwm-workspace-switch-hook #'exwm-systemtray--on-workspace-switch)
(add-hook 'exwm-randr-refresh-hook #'exwm-systemtray--on-randr-refresh))
(when (boundp 'exwm-randr-refresh-hook)
(add-hook 'exwm-randr-refresh-hook #'exwm-systemtray--on-randr-refresh)))
(defun exwm-systemtray--exit ()
"Exit the systemtray module."
(when exwm-systemtray--connection
(xcb:disconnect exwm-systemtray--connection)
(setq exwm-systemtray--connection nil
exwm-systemtray--list nil
exwm-systemtray--selection-owner-window nil
exwm-systemtray--embedder nil)
(remove-hook 'exwm-workspace-switch-hook
#'exwm-systemtray--on-workspace-switch)
(when (boundp 'exwm-randr-refresh-hook)
(remove-hook 'exwm-randr-refresh-hook
#'exwm-systemtray--on-randr-refresh))))
(defun exwm-systemtray-enable ()
"Enable system tray support for EXWM."
(add-hook 'exwm-init-hook #'exwm-systemtray--init))
(add-hook 'exwm-init-hook #'exwm-systemtray--init)
(add-hook 'exwm-exit-hook #'exwm-systemtray--exit))

66
exwm-workspace.el
View file

@ -584,7 +584,11 @@ The optional FORCE option is for internal use only."
(cancel-timer exwm-workspace--display-echo-area-timer)
(setq exwm-workspace--display-echo-area-timer nil))))
(defvar exwm-workspace--client nil
"The 'client' frame parameter of emacsclient frames.")
(declare-function exwm-manage--unmanage-window "exwm-manage.el")
(declare-function exwm--exit "exwm.el")
(defun exwm-workspace--confirm-kill-emacs (prompt)
"Confirm before exiting Emacs."
@ -615,9 +619,26 @@ The optional FORCE option is for internal use only."
:x 0
:y 0)))
(xcb:flush exwm--connection)
(if (not exwm-workspace--client)
(progn
;; Destroy all resources created by this connection.
(xcb:disconnect exwm--connection)
t))
t)
;; Extra cleanups for emacsclient.
(dolist (f exwm-workspace--list)
(set-frame-parameter f 'client exwm-workspace--client))
(when (exwm-workspace--minibuffer-own-frame-p)
(set-frame-parameter exwm-workspace--minibuffer 'client
exwm-workspace--client))
(let ((connection exwm--connection))
(exwm--exit)
;; Destroy all resources created by this connection.
(xcb:disconnect connection))
;; Kill the client.
(server-save-buffers-kill-terminal nil)
nil)))
(defvar exwm-workspace--timer nil "Timer used to track echo area changes.")
(defun exwm-workspace--init ()
"Initialize workspace module."
@ -629,11 +650,13 @@ The optional FORCE option is for internal use only."
(progn
(setq exwm-workspace--list (frame-list))
(when (< 1 (length exwm-workspace--list))
;; Emacs client creates an extra (but unusable) frame.
;; Exclude the initial frame.
(dolist (i exwm-workspace--list)
(unless (frame-parameter i 'window-id)
(setq exwm-workspace--list (delq i exwm-workspace--list))))
(cl-assert (= 1 (length exwm-workspace--list)))
(setq exwm-workspace--client
(frame-parameter (car exwm-workspace--list) 'client))
;; Prevent user from deleting this frame by accident.
(set-frame-parameter (car exwm-workspace--list) 'client nil))
;; Create remaining frames.
@ -645,12 +668,17 @@ The optional FORCE option is for internal use only."
(setq exwm-workspace--minibuffer
(make-frame '((window-system . x) (minibuffer . only)
(left . 10000) (right . 10000)
(width . 0) (height . 0))))
(width . 0) (height . 0)
(client . nil))))
;; Remove/hide existing frames.
(dolist (f old-frames)
(if (frame-parameter f 'client)
(make-frame-invisible f)
(delete-frame f))))
(progn
(unless exwm-workspace--client
(setq exwm-workspace--client (frame-parameter f 'client)))
(make-frame-invisible f))
(when (eq 'x (framep f)) ;do not delete the initial frame.
(delete-frame f)))))
;; This is the only usable minibuffer frame.
(setq default-minibuffer-frame exwm-workspace--minibuffer)
(let ((outer-id (string-to-number
@ -687,17 +715,20 @@ The optional FORCE option is for internal use only."
;; Show/hide minibuffer / echo area when they're active/inactive.
(add-hook 'minibuffer-setup-hook #'exwm-workspace--on-minibuffer-setup)
(add-hook 'minibuffer-exit-hook #'exwm-workspace--on-minibuffer-exit)
(run-with-idle-timer 0 t #'exwm-workspace--on-echo-area-dirty)
(setq exwm-workspace--timer
(run-with-idle-timer 0 t #'exwm-workspace--on-echo-area-dirty))
(add-hook 'echo-area-clear-hook #'exwm-workspace--on-echo-area-clear)
;; Create workspace frames.
(dotimes (_ exwm-workspace-number)
(push (make-frame `((window-system . x)
(minibuffer . ,(minibuffer-window
exwm-workspace--minibuffer))))
exwm-workspace--minibuffer))
(client . nil)))
exwm-workspace--list))
;; The default behavior of `display-buffer' (indirectly called by
;; `minibuffer-completion-help') is not correct here.
(cl-pushnew '(exwm-workspace--display-buffer) display-buffer-alist))
(cl-pushnew '(exwm-workspace--display-buffer) display-buffer-alist
:test #'equal))
;; Handle unexpected frame switch.
(add-hook 'focus-in-hook #'exwm-workspace--on-focus-in)
;; Prevent `other-buffer' from selecting already displayed EXWM buffers.
@ -768,6 +799,25 @@ The optional FORCE option is for internal use only."
;; Switch to the first workspace
(exwm-workspace-switch 0 t))
(defun exwm-workspace--exit ()
"Exit the workspace module."
(setq confirm-kill-emacs nil
exwm-workspace--list nil
exwm-workspace--client nil
exwm-workspace--minibuffer nil
default-minibuffer-frame nil)
(remove-hook 'minibuffer-setup-hook #'exwm-workspace--on-minibuffer-setup)
(remove-hook 'minibuffer-exit-hook #'exwm-workspace--on-minibuffer-exit)
(when exwm-workspace--timer
(cancel-timer exwm-workspace--timer)
(setq exwm-workspace--timer nil))
(remove-hook 'echo-area-clear-hook #'exwm-workspace--on-echo-area-clear)
(setq display-buffer-alist
(cl-delete '(exwm-workspace--display-buffer) display-buffer-alist
:test #'equal))
(remove-hook 'focus-in-hook #'exwm-workspace--on-focus-in)
(advice-remove 'x-create-frame #'exwm-workspace--x-create-frame))
(defvar exwm-layout--fullscreen-frame-count)
(defun exwm-workspace--post-init ()

30
exwm.el
View file

@ -477,7 +477,11 @@
(defun exwm-init (&optional frame)
"Initialize EXWM."
(if (not (eq 'x (framep (or frame (selected-frame)))))
(if frame
;; The frame might not be selected if it's created by emacslicnet.
(select-frame-set-input-focus frame)
(setq frame (selected-frame)))
(if (not (eq 'x (framep frame)))
(exwm--log "Not running under X environment")
(unless exwm--connection
(exwm-enable 'undo) ;never initialize again
@ -499,8 +503,8 @@
;; Disable some features not working well with EXWM
(setq use-dialog-box nil)
;; Initialize ICCCM/EWMH support
;; (xcb:icccm:init exwm--connection)
(xcb:ewmh:init exwm--connection)
(xcb:icccm:init exwm--connection t)
(xcb:ewmh:init exwm--connection t)
(exwm--lock)
(exwm--init-icccm-ewmh)
(exwm-layout--init)
@ -514,6 +518,26 @@
(exwm-manage--scan)
(run-hooks 'exwm-init-hook)))))
(defvar exwm-exit-hook nil
"Normal hook run just before EXWM is about to exit.
This hook is only run when EXWM is started with emacsclient.")
(defun exwm--exit ()
"Exit EXWM."
(run-hooks 'exwm-exit-hook)
;; Exit modules.
(exwm-input--exit)
(exwm-workspace--exit)
(exwm-manage--exit)
(exwm-floating--exit)
(exwm-layout--exit)
;; Reset several import variables.
(setq exwm--connection nil
exwm--root nil
exwm--id-buffer-alist nil)
(exwm-enable))
(defvar exwm-blocking-subrs '(x-file-dialog x-popup-dialog x-select-font)
"Subrs (primitives) that would normally block EXWM.")