+++ /dev/null
-;;; termdev.el --- functions for dealing with terminals
-
-;; Copyright (C) 2005, 2006, 2007 Free Software Foundation, Inc.
-
-;; Author: Karoly Lorentey <karoly@lorentey.hu>
-;; Created: 2005-12-22
-;; Keywords: internal
-
-;; This file is part of GNU Emacs.
-
-;; GNU Emacs is free software; you can redistribute it and/or modify
-;; it under the terms of the GNU General Public License as published by
-;; the Free Software Foundation; either version 3, or (at your option)
-;; any later version.
-
-;; GNU Emacs is distributed in the hope that it will be useful,
-;; but WITHOUT ANY WARRANTY; without even the implied warranty of
-;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-;; GNU General Public License for more details.
-
-;; 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., 51 Franklin Street, Fifth Floor,
-;; Boston, MA 02110-1301, USA.
-
-(substitute-key-definition 'suspend-emacs 'suspend-frame global-map)
-
-(defun terminal-id (&optional terminal)
- "Return the numerical id of terminal TERMINAL.
-
-TERMINAL can be a terminal id (an integer), a frame, or
-nil (meaning the selected frame's terminal). Alternatively,
-TERMINAL may be the name of an X display
-device (HOST.SERVER.SCREEN) or a tty device file."
- (cond
- ((integerp terminal)
- (if (terminal-live-p terminal)
- terminal
- (signal 'wrong-type-argument (list 'terminal-live-p terminal))))
- ((or (null terminal) (framep terminal))
- (frame-terminal terminal))
- ((stringp terminal)
- (let ((f (car (filtered-frame-list (lambda (frame)
- (or (equal (frame-parameter frame 'display) terminal)
- (equal (frame-parameter frame 'tty) terminal)))))))
- (or f (error "Display %s does not exist" terminal))
- (frame-terminal f)))
- ((terminal-live-p terminal) terminal)
- (t
- (error "Invalid argument %s in `terminal-id'" terminal))))
-
-;; (defun terminal-getenv (variable &optional terminal global-ok)
-;; "Get the value of VARIABLE in the client environment of TERMINAL.
-;; VARIABLE should be a string. Value is nil if VARIABLE is undefined in
-;; the environment. Otherwise, value is a string.
-
-;; If TERMINAL has an associated emacsclient process, then
-;; `terminal-getenv' looks up VARIABLE in the environment of that
-;; process; otherwise the function consults the global environment,
-;; i.e., the environment of the Emacs process itself.
-
-;; If GLOBAL-OK is non-nil, and VARIABLE is not defined in the
-;; terminal-local environment, then `terminal-getenv' will return
-;; its value in the global environment instead.
-
-;; TERMINAL can be a terminal id, a frame, or nil (meaning the
-;; selected frame's terminal)."
-;; (setq terminal (terminal-id terminal))
-;; (if (null (terminal-parameter terminal 'environment))
-;; (getenv variable)
-;; (if (multibyte-string-p variable)
-;; (setq variable (encode-coding-string variable locale-coding-system)))
-;; (let ((env (terminal-parameter terminal 'environment))
-;; result entry)
-;; (while (and env (null result))
-;; (setq entry (car env)
-;; env (cdr env))
-;; (if (and (> (length entry) (length variable))
-;; (eq ?= (aref entry (length variable)))
-;; (equal variable (substring entry 0 (length variable))))
-;; (setq result (substring entry (+ (length variable) 1)))))
-;; (if (and global-ok (null result))
-;; (getenv variable)
-;; (and result (decode-coding-string result locale-coding-system))))))
-
-;; (defun terminal-setenv (variable &optional value terminal)
-;; "Set the value of VARIABLE in the environment of TERMINAL.
-;; VARIABLE should be string. VALUE is optional; if not provided or
-;; nil, the environment variable VARIABLE is removed. Returned
-;; value is the new value of VARIABLE, or nil if it was removed from
-;; the environment.
-
-;; If TERMINAL was created by an emacsclient invocation, then the
-;; variable is set in the environment of the emacsclient process;
-;; otherwise the function changes the environment of the Emacs
-;; process itself.
-
-;; TERMINAL can be a terminal id, a frame, or nil (meaning the
-;; selected frame's terminal)."
-;; (if (null (terminal-parameter terminal 'environment))
-;; (setenv variable value)
-;; (with-terminal-environment terminal variable
-;; (setenv variable value))))
-
-;; (defun terminal-setenv-internal (variable value terminal)
-;; "Set the value of VARIABLE in the environment of TERMINAL.
-;; The caller is responsible to ensure that both VARIABLE and VALUE
-;; are usable in environment variables and that TERMINAL is a
-;; remote terminal."
-;; (if (multibyte-string-p variable)
-;; (setq variable (encode-coding-string variable locale-coding-system)))
-;; (if (and value (multibyte-string-p value))
-;; (setq value (encode-coding-string value locale-coding-system)))
-;; (let ((env (terminal-parameter terminal 'environment))
-;; found)
-;; (while (and env (not found))
-;; (if (and (> (length (car env)) (length variable))
-;; (eq ?= (aref (car env) (length variable)))
-;; (equal variable (substring (car env) 0 (length variable))))
-;; (progn
-;; (if value
-;; (setcar env (concat variable "=" value))
-;; (set-terminal-parameter terminal 'environment
-;; (delq (car env)
-;; (terminal-parameter terminal
-;; 'environment))))
-;; (setq found t))
-;; (setq env (cdr env))))
-;; (cond
-;; ((and value found)
-;; (setcar env (concat variable "=" value)))
-;; ((and value (not found))
-;; (set-terminal-parameter terminal 'environment
-;; (cons (concat variable "=" value)
-;; (terminal-parameter terminal
-;; 'environment))))
-;; ((and (not value) found)
-;; (set-terminal-parameter terminal 'environment
-;; (delq (car env)
-;; (terminal-parameter terminal
-;; 'environment)))))))
-
-;; (defmacro with-terminal-environment (terminal vars &rest body)
-;; "Evaluate BODY with environment variables VARS set to those of TERMINAL.
-;; The environment variables are then restored to their previous values.
-
-;; VARS should be a single string, a list of strings, or t for all
-;; environment variables.
-
-;; TERMINAL can be a terminal id, a frame, or nil (meaning the
-;; selected frame's terminal).
-
-;; If BODY uses `setenv' to change environment variables in VARS,
-;; then the new variable values will be remembered for TERMINAL, and
-;; `terminal-getenv' will return them even outside BODY."
-;; (declare (indent 2))
-;; (let ((var (make-symbol "var"))
-;; (term (make-symbol "term"))
-;; (v (make-symbol "v"))
-;; (old-env (make-symbol "old-env")))
-;; `(let ((,term ,terminal) ; Evaluate arguments only once.
-;; (,v ,vars))
-;; (if (stringp ,v)
-;; (setq ,v (list ,v)))
-;; (cond
-;; ((null (terminal-parameter ,term 'environment))
-;; ;; Not a remote terminal; nothing to do.
-;; (progn ,@body))
-;; ((eq ,v t)
-;; ;; Switch the entire process-environment.
-;; (let (,old-env process-environment)
-;; (setq process-environment (terminal-parameter ,term 'environment))
-;; (unwind-protect
-;; (progn ,@body)
-;; (set-terminal-parameter ,term 'environment process-environment)
-;; (setq process-environment ,old-env))))
-;; (t
-;; ;; Do only a set of variables.
-;; (let (,old-env)
-;; (dolist (,var ,v)
-;; (setq ,old-env (cons (cons ,var (getenv ,var)) ,old-env))
-;; (setenv ,var (terminal-getenv ,var ,term)))
-;; (unwind-protect
-;; (progn ,@body)
-;; ;; Split storing new values and restoring old ones so
-;; ;; that we DTRT even if a variable is specified twice in
-;; ;; VARS.
-;; (dolist (,var ,v)
-;; (terminal-setenv-internal ,var (getenv ,var) ,term))
-;; (dolist (,var ,old-env)
-;; (setenv (car ,var) (cdr ,var))))))))))
-
-(provide 'termdev)
-
-;; arch-tag: 4c4df277-1ec1-4f56-bfde-7f156fe62fb2
-;;; termdev.el ends here
projects / emacs.git / commitdiff