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session.l
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session.l
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;;; -*- Mode: Lisp; Package: EDITOR -*-
;;;
;;; This file is part of xyzzy.
;;;
(provide "session")
(in-package "editor")
(export '(save-session load-session open-session-dialog save-session-dialog
*default-session-directory* toggle-session-auto-save
close-session close-session-dialog
*buffer-info-variable-list*))
(define-history-variable *session-file-history* nil)
(setf (get '*session-file-history* 'minibuffer-history-variable)
'*session-file-history*)
(setf (get '*session-file-history* 'add-lru-menu-function)
'add-session-history-to-menu)
(setf (get '*session-file-history* 'history-ignore-case) t)
(defvar *default-session-directory* nil)
(defvar *current-session-file-name* nil)
(define-history-variable *auto-save-session-file* nil)
(defvar *buffer-info-variable-list*
'(buffer-read-only))
(defun winconf-to-readable-winconf (conf)
(list 'window-configuration
(if (windowp (cadr conf))
(position (cadr conf) (caddr conf) :key #'car)
(cadr conf))
(mapcar #'(lambda (x)
(mapcar #'(lambda (x)
(cond ((windowp x) nil)
((markerp x)
(marker-point x))
((bufferp x)
(unless (deleted-buffer-p x)
(cons (get-buffer-file-name x)
(buffer-name x))))
(t x)))
x))
(caddr conf))
(cadddr conf)))
(defun readable-winconf-to-winconf (conf)
(list 'window-configuration
(cadr conf)
(mapc #'(lambda (x)
(let ((f (cadr x)))
(when f
(setf (cadr x)
(or (and (car f) (get-file-buffer (car f)))
(find-buffer (cdr f)))))))
(caddr conf))
(cadddr conf)))
(defun list-buffer-info ()
(save-excursion
(let ((info nil))
(mapc #'(lambda (buffer)
(when (file-visited-p buffer)
(set-buffer buffer)
(push (list (get-buffer-file-name buffer)
(point)
(cons buffer-mode
(mapcan #'(lambda (mode)
(let ((var (and (consp mode) (car mode))))
(and (symbolp var)
(boundp var)
(symbol-value var)
(list var))))
*minor-mode-alist*))
(mapcar #'(lambda (var)
(and (symbolp var)
(local-variable-p var)
(cons var (symbol-value var))))
*buffer-info-variable-list*))
info)))
(buffer-list :buffer-bar-order t))
(nreverse info))))
(defun restore-buffer-info (info)
(let ((obuffer (selected-buffer)))
(mapc #'(lambda (i)
(let ((file (pop i)))
(when (file-exist-p file)
(handler-case
(let ((point (pop i))
(mode (pop i))
(minor nil))
(when (listp mode)
(setq minor (cdr mode))
(setq mode (car mode)))
(let ((*find-file-auto-mode-function* mode))
(find-file file))
(goto-char point)
(mapc #'(lambda (f) (and (fboundp f) (funcall f))) minor)
(mapc #'(lambda (x)
(when (and (car x) (symbolp (car x)))
(make-local-variable (car x))
(set (car x) (cdr x))))
(pop i)))
(file-error (c)
(si:*print-condition c))))))
info)
(set-buffer obuffer)))
(defun save-session-info (s)
(save-current-pseudo-frame)
(let ((finfo (mapcan #'(lambda (frame)
(when (pseudo-frame-save-p frame)
(list (list (pseudo-frame-name frame)
(winconf-to-readable-winconf
(pseudo-frame-winconf frame))
(eq frame (get-current-pseudo-frame (selected-frame)))))))
(get-pseudo-frame-list (selected-frame))))
(binfo (list-buffer-info)))
(princ ";;; xyzzy session file.
;;; This file is generated automatically. do not edit.\n" s)
(write `(in-package ,(package-name *package*)) :stream s :escape t :pretty t :readably t)
(terpri s)
(write `(restore-session ',binfo ',finfo) :stream s :escape t :pretty t :readably t)
(terpri s)))
(defun write-session-file (filename)
(with-open-file (s filename
:direction :output
:if-exists :supersede
:if-does-not-exist :create)
(save-session-info s)
t))
(defun session-directory ()
(or *default-session-directory*
(and *current-session-file-name*
(directory-namestring *current-session-file-name*))))
(defun save-session (filename &optional nowarn)
(interactive "FSave session: "
:title0 "Save session" :history0 '*session-file-history*
:default0 (session-directory))
(setq filename (namestring filename))
(unless (or nowarn
(not (file-exist-p filename))
(yes-or-no-p "~A~%はすでに存在します。上書きしますか?"
filename))
(quit))
(write-session-file filename)
(setq *current-session-file-name* filename))
(defun restore-session (binfo finfo)
(save-current-pseudo-frame)
(restore-buffer-info binfo)
(let ((current nil))
(mapc #'(lambda (info)
(let ((frame (or (find-pseudo-frame (car info))
(create-pseudo-frame-1 (selected-frame) (car info) t))))
(setf (pseudo-frame-winconf frame)
(readable-winconf-to-winconf (cadr info)))
(when (caddr info)
(setq current frame))))
finfo)
(when current
(set-current-pseudo-frame (selected-frame) nil)
(select-pseudo-frame current (selected-frame)))))
(defun close-session (&optional noask (create-new t) (fn #'write-file))
(interactive "p")
(save-some-buffers (not noask) fn)
(auto-save-session-file)
(let ((scratch (find-buffer "*scratch*")))
(dolist (buffer (buffer-list))
(or (eq buffer scratch)
(delete-buffer buffer))))
(delete-all-pseudo-frames create-new)
(delete-other-windows)
(setq *current-session-file-name* nil)
(clear-message))
(defun close-session-dialog (&optional noask)
(interactive "p")
(close-session noask t #'save-buffer-dialog))
(defun load-session (filename &optional not-close)
(interactive "fLoad session: \np"
:title0 "Load session" :history0 '*session-file-history*
:default0 (session-directory))
(setq filename (namestring filename))
(with-open-file (s filename
:direction :input
:if-does-not-exist :error)
(unless (equal (read-line s nil) ";;; xyzzy session file.")
(error "セッションファイルではありません")))
(unwind-protect
(progn
(or not-close
(close-session nil nil (if (interactive-p)
#'write-file #'save-buffer-dialog)))
(load filename :verbose nil :print nil)
(setq *current-session-file-name* filename))
(init-pseudo-frame))
t)
(defvar *session-dialog-filter*
'(("セッションファイル(*.ssn)" . "*.ssn")
("すべてのファイル(*.*)" . "*.*")))
(defun open-session-dialog ()
(interactive)
(let ((file (file-name-dialog :title "セッションを開く"
:initial-directory (session-directory)
:filter *session-dialog-filter*
:extension "ssn")))
(when file
(load-session file)
(add-history file '*session-file-history*)
t)))
(defun save-session-dialog ()
(interactive)
(let ((file (file-name-dialog :save t
:title "セッションの保存"
:initial-directory (session-directory)
:filter *session-dialog-filter*
:extension "ssn"
:overwrite t :hide-read-only t)))
(when file
(write-session-file file)
(setq *current-session-file-name* file)
(add-history file '*session-file-history*)
t)))
(defun toggle-session-auto-save (&optional (arg nil sv))
(interactive "p")
(toggle-mode '*auto-save-session-file* arg sv))
(defun update-session-auto-save-ui ()
(cond ((null *current-session-file-name*) :disable)
(*auto-save-session-file* :check)
(t t)))
(defun auto-save-session-file ()
(when (and *auto-save-session-file*
*current-session-file-name*)
(ignore-errors
(write-session-file *current-session-file-name*))))
(add-hook '*save-history-hook* #'auto-save-session-file)
(defun add-session-history-to-menu ()
(when (menup (get-app-menu (selected-frame)))
(add-lru-menu (get-recent-session-popup-menu (selected-frame))
*session-file-history*
#'(lambda (filename)
#'(lambda ()
(interactive)
(load-session filename)
(add-history filename '*session-file-history*))))))
(defun restore-resume-info (info conf)
(when *save-resume-info*
(restore-buffer-info info)
(when conf
(ignore-errors
(set-window-configuration
(readable-winconf-to-winconf conf))))))
(defun save-resume-info (s)
(when *save-resume-info*
(let ((conf (winconf-to-readable-winconf
(current-window-configuration)))
(info (list-buffer-info)))
(write `(in-package ,(package-name *package*)) :stream s :escape t :pretty t :readably t)
(terpri s)
(write `(ignore-errors (restore-resume-info ',info ',conf))
:stream s :escape t :pretty t :readably t)
(terpri s))))
(define-key ctl-x-6-map #\f 'load-session)
(define-key ctl-x-6-map #\s 'save-session)
(define-key ctl-x-6-map #\k 'close-session)
(define-key ctl-x-6-map #\F 'open-session-dialog)
(define-key ctl-x-6-map #\S 'save-session-dialog)
(define-key ctl-x-6-map #\K 'close-session-dialog)