;;; server.el --- Lisp code for GNU Emacs running as server process
-;; Copyright (C) 1986,87,92,94,95,96,97,98,99,2000,01,02,03,2004
-;; Free Software Foundation, Inc.
+;; Copyright (C) 1986, 1987, 1992, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
+;; 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
;; Author: William Sommerfeld <wesommer@athena.mit.edu>
;; Maintainer: FSF
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
-;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-;; Boston, MA 02111-1307, USA.
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
;;; Commentary:
It is not meaningful to set this to a specific frame or window with Custom.
Only programs can do so."
:group 'server
- :version "21.4"
+ :version "22.1"
:type '(choice (const :tag "Use selected window"
:match (lambda (widget value)
(not (functionp value)))
(not server-existing-buffer))
(server-temp-file-p)))
(kill-buffer (current-buffer)))))))
+ ;; If this is a new client process, set the query-on-exit flag to nil
+ ;; for this process (it isn't inherited from the server process).
+ (when (and (eq (process-status proc) 'open)
+ (process-query-on-exit-flag proc))
+ (set-process-query-on-exit-flag proc nil))
(server-log (format "Status changed to %s" (process-status proc)) proc))
(defun server-select-display (display)
(dolist (frame (frame-list))
(when (equal (frame-parameter frame 'display) display)
(select-frame frame)))
- ;; If there's no frame on that display yet, create a dummy one
- ;; and select it.
+ ;; If there's no frame on that display yet, create and select one.
(unless (equal (frame-parameter (selected-frame) 'display) display)
(select-frame
(make-frame-on-display
display
- ;; This frame is only there in place of an actual "current display"
- ;; setting, so we want it to be as unobtrusive as possible. That's
- ;; what the invisibility is for. The minibuffer setting is so that
- ;; we don't end up displaying a buffer in it (which noone would
- ;; notice).
- '((visibility . nil) (minibuffer . only)))))))
+ ;; This frame may be deleted later (see server-process-filter)
+ ;; so we want it to be as unobtrusive as possible.
+ '((visibility . nil)))))))
(defun server-unquote-arg (arg)
(replace-regexp-in-string
Prefix arg means just kill any existing server communications subprocess."
(interactive "P")
- ;; Make sure there is a safe directory in which to place the socket.
- (server-ensure-safe-dir server-socket-dir)
;; kill it dead!
(if server-process
(condition-case () (delete-process server-process) (error nil)))
(while server-clients
(let ((buffer (nth 1 (car server-clients))))
(server-buffer-done buffer)))
+ ;; Now any previous server is properly stopped.
(unless leave-dead
+ ;; Make sure there is a safe directory in which to place the socket.
+ (server-ensure-safe-dir server-socket-dir)
(if server-process
(server-log (message "Restarting server")))
(letf (((default-file-modes) ?\700))
`emacsclient' program. See `server-start' and Info node `Emacs server'."
:global t
:group 'server
- :version "21.4"
+ :version "22.1"
;; Fixme: Should this check for an existing server socket and do
;; nothing if there is one (for multiple Emacs sessions)?
(server-start (not server-mode)))
(setq request "")))))
;; ARG is a line number option.
((string-match "\\`\\+[0-9]+\\'" arg)
- (setq lineno (string-to-int (substring arg 1))))
+ (setq lineno (string-to-number (substring arg 1))))
;; ARG is line number:column option.
((string-match "\\`+\\([0-9]+\\):\\([0-9]+\\)\\'" arg)
- (setq lineno (string-to-int (match-string 1 arg))
- columnno (string-to-int (match-string 2 arg))))
+ (setq lineno (string-to-number (match-string 1 arg))
+ columnno (string-to-number (match-string 2 arg))))
(t
;; Undo the quoting that emacsclient does
;; for certain special characters.
(if coding-system
(setq arg (decode-coding-string arg coding-system)))
(if eval
- (let ((v (eval (car (read-from-string arg)))))
+ (let* (errorp
+ (v (condition-case errobj
+ (eval (car (read-from-string arg)))
+ (error (setq errorp t) errobj))))
(when v
(with-temp-buffer
(let ((standard-output (current-buffer)))
+ (if errorp (princ "error: "))
(pp v)
;; Suppress the error rose when the pipe to PROC is closed.
(condition-case err
(process-send-region proc (point-min) (point-max))
- (file-error nil))
+ (file-error nil)
+ (error nil))
))))
;; ARG is a file name.
;; Collapse multiple slashes to single slashes.
(server-switch-buffer (nth 1 client))
(run-hooks 'server-switch-hook)
(unless nowait
- (message (substitute-command-keys
+ (message "%s" (substitute-command-keys
"When done with a buffer, type \\[server-edit]")))))
- ;; Avoid preserving the connection after the last real frame is deleted.
- (if tmp-frame (delete-frame tmp-frame))))
+ ;; If the temporary frame is still the selected frame, make it
+ ;; real. If not (which can happen if the user's customizations
+ ;; call pop-to-buffer etc.), delete it to avoid preserving the
+ ;; connection after the last real frame is deleted.
+ (if tmp-frame
+ (if (eq (selected-frame) tmp-frame)
+ (set-frame-parameter tmp-frame 'visibility t)
+ (delete-frame tmp-frame)))))
;; Save for later any partial line that remains.
(when (> (length string) 0)
(process-put proc 'previous-string string)))
;; deleted file, offer to write it.
(let* ((filen (car file))
(obuf (get-file-buffer filen)))
- (push filen file-name-history)
+ (add-to-history 'file-name-history filen)
(if (and obuf (set-buffer obuf))
(progn
(cond ((file-exists-p filen)
If invoked with a prefix argument, or if there is no server process running,
starts server process and that is all. Invoked by \\[server-edit]."
(interactive "P")
- (if (or arg
- (not server-process)
- (memq (process-status server-process) '(signal exit)))
- (server-start nil)
- (apply 'server-switch-buffer (server-done))))
+ (cond
+ ((or arg
+ (not server-process)
+ (memq (process-status server-process) '(signal exit)))
+ (server-mode 1))
+ (server-clients (apply 'server-switch-buffer (server-done)))
+ (t (message "No server editing buffers exist"))))
(defun server-switch-buffer (&optional next-buffer killed-one)
"Switch to another buffer, preferably one that has a client.
;; a minibuffer/dedicated-window (if there's no other).
(error (pop-to-buffer next-buffer)))))))))
-(global-set-key "\C-x#" 'server-edit)
+(define-key ctl-x-map "#" 'server-edit)
(defun server-unload-hook ()
- (server-start t)
+ (server-mode -1)
(remove-hook 'kill-buffer-query-functions 'server-kill-buffer-query-function)
(remove-hook 'kill-emacs-query-functions 'server-kill-emacs-query-function)
(remove-hook 'kill-buffer-hook 'server-kill-buffer))
+(add-hook 'kill-emacs-hook (lambda () (server-mode -1))) ;Cleanup upon exit.
(add-hook 'server-unload-hook 'server-unload-hook)
\f
(provide 'server)
-;;; arch-tag: 1f7ecb42-f00a-49f8-906d-61995d84c8d6
+;; arch-tag: 1f7ecb42-f00a-49f8-906d-61995d84c8d6
;;; server.el ends here
HCoop / bpt / emacs.git / blobdiff