mirror of
https://git.savannah.gnu.org/git/emacs.git
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1602 lines
59 KiB
EmacsLisp
1602 lines
59 KiB
EmacsLisp
;;; startup.el --- process Emacs shell arguments
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;; Copyright (C) 1985, 86, 92, 94, 95, 96, 97, 98, 99, 2000, 2001
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;; Free Software Foundation, Inc.
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;; Maintainer: FSF
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;; Keywords: internal
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 2, or (at your option)
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;; any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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;; Boston, MA 02111-1307, USA.
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;;; Commentary:
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;; This file parses the command line and gets Emacs running. Options on
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;; the command line are handled in precedence order. The order is the
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;; one in the list below; first described means first handled. Options
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;; within each category (delimited by a bar) are handled in the order
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;; encountered on the command line.
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;; -------------------------
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;; -version Print Emacs version to stderr, then exit
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;; --version successfully right away.
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;; This option is handled by emacs.c
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;; -------------------------
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;; -help Print a short usage description and exit
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;; --help successfully right away.
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;; This option is handled by emacs.c
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;; -------------------------
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;; -nl Do not use shared memory (for systems that
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;; -no-shared-memory support this) for the dumped Emacs data.
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;; This option is handled by emacs.c
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;;
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;; -map For VMS.
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;; --map-data This option is handled by emacs.c
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;; -------------------------
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;; -t FILE Use FILE as the name of the terminal.
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;; --terminal FILE Using this implies "-nw" also.
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;; This option is handled by emacs.c
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;; -------------------------
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;; -d DISPNAME Use DISPNAME as the name of the X
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;; -display DISPNAME display for the initial frame.
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;; --display DISPNAME This option is handled by emacs.c
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;; -------------------------
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;; -nw Do not use a windows system (but use the
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;; --no-windows terminal instead.)
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;; This option is handled by emacs.c
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;; -------------------------
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;; -batch Execute noninteractively (messages go to stdout,
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;; --batch variable noninteractive set to t)
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;; This option is handled by emacs.c
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;; -------------------------
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;; -q Do not load user's init file and do not load
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;; -no-init-file "default.el". Regardless of this switch,
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;; --no-init-file "site-start" is still loaded.
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;; -------------------------
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;; -no-site-file Do not load "site-start.el". (This is the ONLY
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;; --no-site-file way to prevent loading that file.)
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;; -------------------------
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;; -u USER Load USER's init file instead of the init
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;; -user USER file belonging to the user starting Emacs.
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;; --user USER
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;; -------------------------
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;; -debug-init Don't catch errors in init files; let the
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;; --debug-init debugger run.
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;; -------------------------
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;; -i ICONTYPE Set type of icon using when Emacs is
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;; -itype ICONTYPE iconified under X.
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;; --icon-type ICONTYPE This option is passed on to term/x-win.el
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;;
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;; -iconic Start Emacs iconified.
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;; --iconic This option is passed on to term/x-win.el
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;; -------------------------
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;; Various X options for colors/fonts/geometry/title etc.
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;; These options are passed on to term/x-win.el which see. Certain
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;; of these are also found in term/pc-win.el
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;; -------------------------
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;; FILE Visit FILE.
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;; -visit FILE
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;; --visit FILE
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;; -file FILE
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;; --file FILE
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;;
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;; -L DIRNAME Add DIRNAME to load-path
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;; -directory DIRNAME
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;; --directory DIRNAME
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;;
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;; -l FILE Load and execute the Emacs lisp code
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;; -load FILE in FILE.
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;; --load FILE
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;;
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;; -f FUNC Execute Emacs lisp function FUNC with
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;; -funcall FUNC no arguments. The "-e" form is outdated
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;; --funcall FUNC and should not be used. (It's a typo
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;; -e FUNC promoted to a feature.)
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;;
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;; -eval FORM Execute Emacs lisp form FORM.
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;; --eval FORM
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;; -execute EXPR
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;; --execute EXPR
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;;
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;; -insert FILE Insert the contents of FILE into buffer.
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;; --insert FILE
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;; -------------------------
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;; -kill Kill (exit) Emacs right away.
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;; --kill
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;; -------------------------
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;;; Code:
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(setq top-level '(normal-top-level))
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(defvar command-line-processed nil
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"Non-nil once command line has been processed")
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(defgroup initialization nil
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"Emacs start-up procedure"
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:group 'internal)
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(defcustom inhibit-startup-message nil
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"*Non-nil inhibits the initial startup message.
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This is for use in your personal init file, once you are familiar
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with the contents of the startup message."
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:type 'boolean
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:group 'initialization)
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(defcustom inhibit-startup-echo-area-message nil
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"*Non-nil inhibits the initial startup echo area message.
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Setting this variable takes effect
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only if you do it with the customization buffer
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or if your `.emacs' file contains a line of this form:
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(setq inhibit-startup-echo-area-message \"YOUR-USER-NAME\")
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If your `.emacs' file is byte-compiled, use the following form instead:
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(eval '(setq inhibit-startup-echo-area-message \"YOUR-USER-NAME\"))
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Thus, someone else using a copy of your `.emacs' file will see
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the startup message unless he personally acts to inhibit it."
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:type '(choice (const :tag "Don't inhibit")
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(string :tag "Enter your user name, to inhibit"))
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:group 'initialization)
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(defcustom inhibit-default-init nil
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"*Non-nil inhibits loading the `default' library."
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:type 'boolean
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:group 'initialization)
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(defvar command-switch-alist nil
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"Alist of command-line switches.
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Elements look like (SWITCH-STRING . HANDLER-FUNCTION).
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HANDLER-FUNCTION receives switch name as sole arg;
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remaining command-line args are in the variable `command-line-args-left'.")
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(defvar command-line-args-left nil
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"List of command-line args not yet processed.")
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(defvar command-line-functions nil ;; lrs 7/31/89
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"List of functions to process unrecognized command-line arguments.
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Each function should access the dynamically bound variables
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`argi' (the current argument) and `command-line-args-left' (the remaining
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arguments). The function should return non-nil only if it recognizes and
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processes `argi'. If it does so, it may consume successive arguments by
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altering `command-line-args-left' to remove them.")
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(defvar command-line-default-directory nil
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"Default directory to use for command line arguments.
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This is normally copied from `default-directory' when Emacs starts.")
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;;; This is here, rather than in x-win.el, so that we can ignore these
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;;; options when we are not using X.
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(defconst command-line-x-option-alist
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'(("-bw" 1 x-handle-numeric-switch border-width)
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("-d" 1 x-handle-display)
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("-display" 1 x-handle-display)
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("-name" 1 x-handle-name-switch)
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("-title" 1 x-handle-switch title)
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("-T" 1 x-handle-switch title)
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("-r" 0 x-handle-switch reverse t)
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("-rv" 0 x-handle-switch reverse t)
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("-reverse" 0 x-handle-switch reverse t)
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("-reverse-video" 0 x-handle-switch reverse t)
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("-fn" 1 x-handle-switch font)
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("-font" 1 x-handle-switch font)
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("-ib" 1 x-handle-numeric-switch internal-border-width)
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("-g" 1 x-handle-geometry)
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("-lsp" 1 x-handle-numeric-switch line-spacing)
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("-geometry" 1 x-handle-geometry)
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("-fg" 1 x-handle-switch foreground-color)
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("-foreground" 1 x-handle-switch foreground-color)
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("-bg" 1 x-handle-switch background-color)
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("-background" 1 x-handle-switch background-color)
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("-ms" 1 x-handle-switch mouse-color)
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("-itype" 0 x-handle-switch icon-type t)
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("-i" 0 x-handle-switch icon-type t)
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("-iconic" 0 x-handle-iconic)
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("-xrm" 1 x-handle-xrm-switch)
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("-cr" 1 x-handle-switch cursor-color)
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("-vb" 0 x-handle-switch vertical-scroll-bars t)
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("-hb" 0 x-handle-switch horizontal-scroll-bars t)
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("-bd" 1 x-handle-switch)
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("--border-width" 1 x-handle-numeric-switch border-width)
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("--display" 1 x-handle-display)
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("--name" 1 x-handle-name-switch)
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("--title" 1 x-handle-switch title)
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("--reverse-video" 0 x-handle-switch reverse t)
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("--font" 1 x-handle-switch font)
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("--internal-border" 1 x-handle-numeric-switch internal-border-width)
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("--geometry" 1 x-handle-geometry)
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("--foreground-color" 1 x-handle-switch foreground-color)
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("--background-color" 1 x-handle-switch background-color)
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("--mouse-color" 1 x-handle-switch mouse-color)
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("--icon-type" 0 x-handle-switch icon-type t)
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("--iconic" 0 x-handle-iconic)
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("--xrm" 1 x-handle-xrm-switch)
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("--cursor-color" 1 x-handle-switch cursor-color)
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("--vertical-scroll-bars" 0 x-handle-switch vertical-scroll-bars t)
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("--line-spacing" 1 x-handle-numeric-switch line-spacing)
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("--border-color" 1 x-handle-switch border-width))
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"Alist of X Windows options.
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Each element has the form
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(NAME NUMARGS HANDLER FRAME-PARAM VALUE)
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where NAME is the option name string, NUMARGS is the number of arguments
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that the option accepts, HANDLER is a function to call to handle the option.
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FRAME-PARAM (optional) is the frame parameter this option specifies,
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and VALUE is the value which is given to that frame parameter
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\(most options use the argument for this, so VALUE is not present).")
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(defvar before-init-hook nil
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"Normal hook run after handling urgent options but before loading init files.")
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(defvar after-init-hook nil
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"Normal hook run after loading the init files, `~/.emacs' and `default.el'.
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There is no `condition-case' around the running of these functions;
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therefore, if you set `debug-on-error' non-nil in `.emacs',
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an error in one of these functions will invoke the debugger.")
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(defvar emacs-startup-hook nil
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"Normal hook run after loading init files and handling the command line.")
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(defvar term-setup-hook nil
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"Normal hook run after loading terminal-specific Lisp code.
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It also follows `emacs-startup-hook'. This hook exists for users to set,
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so as to override the definitions made by the terminal-specific file.
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Emacs never sets this variable itself.")
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(defvar keyboard-type nil
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"The brand of keyboard you are using.
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This variable is used to define
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the proper function and keypad keys for use under X. It is used in a
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fashion analogous to the environment variable TERM.")
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(defvar window-setup-hook nil
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"Normal hook run to initialize window system display.
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Emacs runs this hook after processing the command line arguments and loading
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the user's init file.")
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(defcustom initial-major-mode 'lisp-interaction-mode
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"Major mode command symbol to use for the initial *scratch* buffer."
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:type 'function
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:group 'initialization)
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(defcustom init-file-user nil
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"Identity of user whose `.emacs' file is or was read.
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The value is nil if `-q' or `--no-init-file' was specified,
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meaning do not load any init file.
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Otherwise, the value may be the null string, meaning use the init file
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for the user that originally logged in, or it may be a
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string containing a user's name meaning use that person's init file.
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In either of the latter cases, `(concat \"~\" init-file-user \"/\")'
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evaluates to the name of the directory where the `.emacs' file was
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looked for.
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Setting `init-file-user' does not prevent Emacs from loading
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`site-start.el'. The only way to do that is to use `--no-site-file'."
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:type '(choice (const :tag "none" nil) string)
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:group 'initialization)
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(defcustom site-run-file "site-start"
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"File containing site-wide run-time initializations.
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This file is loaded at run-time before `~/.emacs'. It contains inits
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that need to be in place for the entire site, but which, due to their
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higher incidence of change, don't make sense to load into emacs'
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dumped image. Thus, the run-time load order is: 1. file described in
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this variable, if non-nil; 2. `~/.emacs'; 3. `default.el'.
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Don't use the `site-start.el' file for things some users may not like.
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Put them in `default.el' instead, so that users can more easily
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override them. Users can prevent loading `default.el' with the `-q'
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option or by setting `inhibit-default-init' in their own init files,
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but inhibiting `site-start.el' requires `--no-site-file', which
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is less convenient."
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:type '(choice (const :tag "none" nil) string)
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:group 'initialization)
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(defcustom mail-host-address nil
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"*Name of this machine, for purposes of naming users."
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:type '(choice (const nil) string)
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:group 'mail)
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(defcustom user-mail-address nil
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"*Full mailing address of this user.
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This is initialized based on `mail-host-address',
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after your init file is read, in case it sets `mail-host-address'."
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:type 'string
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:group 'mail)
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(defcustom auto-save-list-file-prefix
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(cond ((eq system-type 'ms-dos)
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;; MS-DOS cannot have initial dot, and allows only 8.3 names
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"~/_emacs.d/auto-save.list/_s")
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(t
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"~/.emacs.d/auto-save-list/.saves-"))
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"Prefix for generating `auto-save-list-file-name'.
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This is used after reading your `.emacs' file to initialize
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`auto-save-list-file-name', by appending Emacs's pid and the system name,
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if you have not already set `auto-save-list-file-name' yourself.
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Directories in the prefix will be created if necessary.
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Set this to nil if you want to prevent `auto-save-list-file-name'
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from being initialized."
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:type '(choice (const :tag "Don't record a session's auto save list" nil)
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string)
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:group 'auto-save)
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(defvar init-file-debug nil)
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(defvar init-file-had-error nil)
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(defvar normal-top-level-add-subdirs-inode-list nil)
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(defun normal-top-level-add-subdirs-to-load-path ()
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"Add all subdirectories of current directory to `load-path'.
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More precisely, this uses only the subdirectories whose names
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start with letters or digits; it excludes any subdirectory named `RCS'
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or `CVS', and any subdirectory that contains a file named `.nosearch'."
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(let (dirs
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attrs
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(pending (list default-directory)))
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;; This loop does a breadth-first tree walk on DIR's subtree,
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;; putting each subdir into DIRS as its contents are examined.
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(while pending
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(setq dirs (cons (car pending) dirs))
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(setq pending (cdr pending))
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(setq attrs (nthcdr 10 (file-attributes (car dirs))))
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(let ((contents (directory-files (car dirs)))
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(default-directory (car dirs)))
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(unless (member attrs normal-top-level-add-subdirs-inode-list)
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(setq normal-top-level-add-subdirs-inode-list
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(cons attrs normal-top-level-add-subdirs-inode-list))
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(while contents
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;; The lower-case variants of RCS and CVS are for DOS/Windows.
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(unless (member (car contents) '("." ".." "RCS" "CVS" "rcs" "cvs"))
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(when (and (string-match "\\`[[:alnum:]]" (car contents))
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;; Avoid doing a `stat' when it isn't necessary
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;; because that can cause trouble when an NFS server
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;; is down.
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(not (string-match "\\.elc?\\'" (car contents)))
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(file-directory-p (car contents)))
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(let ((expanded (expand-file-name (car contents))))
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(unless (file-exists-p (expand-file-name ".nosearch"
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expanded))
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(setq pending (nconc pending (list expanded)))))))
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(setq contents (cdr contents))))))
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(normal-top-level-add-to-load-path (cdr (nreverse dirs)))))
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;; This function is called from a subdirs.el file.
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;; It assumes that default-directory is the directory
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;; in which the subdirs.el file exists,
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;; and it adds to load-path the subdirs of that directory
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;; as specified in DIRS. Normally the elements of DIRS are relative.
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(defun normal-top-level-add-to-load-path (dirs)
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(let ((tail load-path)
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(thisdir (directory-file-name default-directory)))
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(while (and tail
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;;Don't go all the way to the nil terminator.
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(cdr tail)
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(not (equal thisdir (car tail)))
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(not (and (memq system-type '(ms-dos windows-nt))
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(equal (downcase thisdir) (downcase (car tail))))))
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(setq tail (cdr tail)))
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;;Splice the new section in.
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(when tail
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(setcdr tail (append (mapcar 'expand-file-name dirs) (cdr tail))))))
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(defun normal-top-level ()
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(if command-line-processed
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(message "Back to top level.")
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(setq command-line-processed t)
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;; Give *Messages* the same default-directory as *scratch*,
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;; just to keep things predictable.
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(let ((dir default-directory))
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(save-excursion
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(set-buffer (get-buffer "*Messages*"))
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(setq default-directory dir)))
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;; For root, preserve owner and group when editing files.
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||
(if (equal (user-uid) 0)
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(setq backup-by-copying-when-mismatch t))
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;; Look in each dir in load-path for a subdirs.el file.
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||
;; If we find one, load it, which will add the appropriate subdirs
|
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;; of that dir into load-path,
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;; Look for a leim-list.el file too. Loading it will register
|
||
;; available input methods.
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||
(let ((tail load-path)
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new)
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(while tail
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(setq new (cons (car tail) new))
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(condition-case nil
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(let ((default-directory (car tail)))
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(load (expand-file-name "subdirs.el" (car tail)) t t t)))
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(condition-case nil
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(let ((default-directory (car tail)))
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(load (expand-file-name "leim-list.el" (car tail)) t t t)))
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(setq tail (cdr tail))))
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||
(if (not (eq system-type 'vax-vms))
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||
(progn
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;; If the PWD environment variable isn't accurate, delete it.
|
||
(let ((pwd (getenv "PWD")))
|
||
(and (stringp pwd)
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||
;; Use FOO/., so that if FOO is a symlink, file-attributes
|
||
;; describes the directory linked to, not FOO itself.
|
||
(or (equal (file-attributes
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||
(concat (file-name-as-directory pwd) "."))
|
||
(file-attributes
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||
(concat (file-name-as-directory default-directory)
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||
".")))
|
||
(setq process-environment
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||
(delete (concat "PWD=" pwd)
|
||
process-environment)))))))
|
||
(setq default-directory (abbreviate-file-name default-directory))
|
||
(let ((menubar-bindings-done nil))
|
||
(unwind-protect
|
||
(command-line)
|
||
;; Do this again, in case .emacs defined more abbreviations.
|
||
(setq default-directory (abbreviate-file-name default-directory))
|
||
;; Specify the file for recording all the auto save files of this session.
|
||
;; This is used by recover-session.
|
||
(or auto-save-list-file-name
|
||
(and auto-save-list-file-prefix
|
||
(setq auto-save-list-file-name
|
||
;; Under MS-DOS our PID is almost always reused between
|
||
;; Emacs invocations. We need something more unique.
|
||
(cond ((eq system-type 'ms-dos)
|
||
;; We are going to access the auto-save
|
||
;; directory, so make sure it exists.
|
||
(make-directory
|
||
(file-name-directory auto-save-list-file-prefix)
|
||
t)
|
||
(concat
|
||
(make-temp-name
|
||
(expand-file-name
|
||
auto-save-list-file-prefix))
|
||
"~"))
|
||
(t
|
||
(expand-file-name
|
||
(format "%s%d-%s~"
|
||
auto-save-list-file-prefix
|
||
(emacs-pid)
|
||
(system-name))))))))
|
||
(run-hooks 'emacs-startup-hook)
|
||
(and term-setup-hook
|
||
(run-hooks 'term-setup-hook))
|
||
;; Modify the initial frame based on what .emacs puts into
|
||
;; ...-frame-alist.
|
||
(if (fboundp 'frame-notice-user-settings)
|
||
(frame-notice-user-settings))
|
||
(if (fboundp 'frame-set-background-mode)
|
||
;; Set the faces for the initial background mode even if
|
||
;; frame-notice-user-settings didn't (such as on a tty).
|
||
;; frame-set-background-mode is idempotent, so it won't
|
||
;; cause any harm if it's already been done.
|
||
(let ((frame-background-mode frame-background-mode)
|
||
(frame (selected-frame))
|
||
term)
|
||
(when (and (null window-system)
|
||
;; Don't override a possibly customized value.
|
||
(null frame-background-mode)
|
||
;; Don't override user specifications.
|
||
(null (frame-parameter frame 'reverse))
|
||
(let ((bg (frame-parameter frame 'background-color)))
|
||
(or (null bg)
|
||
(member bg '(unspecified "unspecified-bg")))))
|
||
(setq term (getenv "TERM"))
|
||
(if (string-match "^\\(xterm\\|rxvt\\|dtterm\\|eterm\\)"
|
||
term)
|
||
(setq frame-background-mode 'light)))
|
||
(frame-set-background-mode (selected-frame))))
|
||
|
||
;; Now we know the user's default font, so add it to the menu.
|
||
(if (fboundp 'font-menu-add-default)
|
||
(font-menu-add-default))
|
||
(and window-setup-hook
|
||
(run-hooks 'window-setup-hook))
|
||
(or menubar-bindings-done
|
||
(if (display-popup-menus-p)
|
||
(precompute-menubar-bindings)))))))
|
||
|
||
;; Precompute the keyboard equivalents in the menu bar items.
|
||
(defun precompute-menubar-bindings ()
|
||
(let ((submap (lookup-key global-map [menu-bar])))
|
||
(while submap
|
||
(and (consp (car submap))
|
||
(symbolp (car (car submap)))
|
||
(stringp (car-safe (cdr (car submap))))
|
||
(keymapp (cdr (cdr (car submap))))
|
||
(progn
|
||
(x-popup-menu nil (cdr (cdr (car submap))))
|
||
(if purify-flag
|
||
(garbage-collect))))
|
||
(setq submap (cdr submap))))
|
||
(setq define-key-rebound-commands t))
|
||
|
||
;; Command-line options supported by tty's:
|
||
(defconst tty-long-option-alist
|
||
'(("--name" . "-name")
|
||
("--title" . "-T")
|
||
("--reverse-video" . "-reverse")
|
||
("--foreground-color" . "-fg")
|
||
("--background-color" . "-bg")))
|
||
|
||
(defconst tool-bar-images-pixel-height 24
|
||
"Height in pixels of images in the tool bar.")
|
||
|
||
(defvar tool-bar-originally-present nil
|
||
"Non-nil if tool-bars are present before user and site init files are read.")
|
||
|
||
;; Handle the X-like command line parameters "-fg", "-bg", "-name", etc.
|
||
(defun tty-handle-args (args)
|
||
(let ((rest nil))
|
||
(message "%s" args)
|
||
(while (and args
|
||
(not (equal (car args) "--")))
|
||
(let* ((this (car args))
|
||
(orig-this this)
|
||
completion argval)
|
||
(setq args (cdr args))
|
||
;; Check for long options with attached arguments
|
||
;; and separate out the attached option argument into argval.
|
||
(if (string-match "^--[^=]*=" this)
|
||
(setq argval (substring this (match-end 0))
|
||
this (substring this 0 (1- (match-end 0)))))
|
||
(when (string-match "^--" this)
|
||
(setq completion (try-completion this tty-long-option-alist))
|
||
(if (eq completion t)
|
||
;; Exact match for long option.
|
||
(setq this (cdr (assoc this tty-long-option-alist)))
|
||
(if (stringp completion)
|
||
(let ((elt (assoc completion tty-long-option-alist)))
|
||
;; Check for abbreviated long option.
|
||
(or elt
|
||
(error "Option `%s' is ambiguous" this))
|
||
(setq this (cdr elt)))
|
||
;; Check for a short option.
|
||
(setq argval nil this orig-this))))
|
||
(cond ((or (string= this "-fg") (string= this "-foreground"))
|
||
(or argval (setq argval (car args) args (cdr args)))
|
||
(setq default-frame-alist
|
||
(cons (cons 'foreground-color argval)
|
||
default-frame-alist)))
|
||
((or (string= this "-bg") (string= this "-background"))
|
||
(or argval (setq argval (car args) args (cdr args)))
|
||
(setq default-frame-alist
|
||
(cons (cons 'background-color argval)
|
||
default-frame-alist)))
|
||
((or (string= this "-T") (string= this "-name"))
|
||
(or argval (setq argval (car args) args (cdr args)))
|
||
(setq default-frame-alist
|
||
(cons
|
||
(cons 'title
|
||
(if (stringp argval)
|
||
argval
|
||
(let ((case-fold-search t)
|
||
i)
|
||
(setq argval (invocation-name))
|
||
|
||
;; Change any . or * characters in name to
|
||
;; hyphens, so as to emulate behavior on X.
|
||
(while
|
||
(setq i (string-match "[.*]" argval))
|
||
(aset argval i ?-))
|
||
argval)))
|
||
default-frame-alist)))
|
||
((or (string= this "-r")
|
||
(string= this "-rv")
|
||
(string= this "-reverse"))
|
||
(setq default-frame-alist
|
||
(cons '(reverse . t)
|
||
default-frame-alist)))
|
||
(t (setq rest (cons this rest))))))
|
||
(nreverse rest)))
|
||
|
||
(defun command-line ()
|
||
(setq command-line-default-directory default-directory)
|
||
|
||
;; Choose a reasonable location for temporary files.
|
||
(setq temporary-file-directory
|
||
(file-name-as-directory
|
||
(cond ((memq system-type '(ms-dos windows-nt))
|
||
(or (getenv "TEMP") (getenv "TMPDIR") (getenv "TMP") "c:/temp"))
|
||
((memq system-type '(vax-vms axp-vms))
|
||
(or (getenv "TMPDIR") (getenv "TMP") (getenv "TEMP") "SYS$SCRATCH:"))
|
||
(t
|
||
(or (getenv "TMPDIR") (getenv "TMP") (getenv "TEMP") "/tmp")))))
|
||
(setq small-temporary-file-directory
|
||
(if (eq system-type 'ms-dos)
|
||
(getenv "TMPDIR")))
|
||
|
||
;; See if we should import version-control from the environment variable.
|
||
(let ((vc (getenv "VERSION_CONTROL")))
|
||
(cond ((eq vc nil)) ;don't do anything if not set
|
||
((or (string= vc "t")
|
||
(string= vc "numbered"))
|
||
(setq version-control t))
|
||
((or (string= vc "nil")
|
||
(string= vc "existing"))
|
||
(setq version-control nil))
|
||
((or (string= vc "never")
|
||
(string= vc "simple"))
|
||
(setq version-control 'never))))
|
||
|
||
;;! This has been commented out; I currently find the behavior when
|
||
;;! split-window-keep-point is nil disturbing, but if I can get used
|
||
;;! to it, then it would be better to eliminate the option.
|
||
;;! ;; Choose a good default value for split-window-keep-point.
|
||
;;! (setq split-window-keep-point (> baud-rate 2400))
|
||
|
||
;; Set the default strings to display in mode line for
|
||
;; end-of-line formats that aren't native to this platform.
|
||
(cond
|
||
((memq system-type '(ms-dos windows-nt emx))
|
||
(setq eol-mnemonic-unix "(Unix)")
|
||
(setq eol-mnemonic-mac "(Mac)"))
|
||
;; Mac-specific settings should come here, once there's a
|
||
;; system-type symbol specific to MacOS.
|
||
(t ; this is for Unix/GNU/Linux systems
|
||
(setq eol-mnemonic-dos "(DOS)")
|
||
(setq eol-mnemonic-mac "(Mac)")))
|
||
|
||
;; Read window system's init file if using a window system.
|
||
(condition-case error
|
||
(if (and window-system (not noninteractive))
|
||
(load (concat term-file-prefix
|
||
(symbol-name window-system)
|
||
"-win")
|
||
;; Every window system should have a startup file;
|
||
;; barf if we can't find it.
|
||
nil t))
|
||
;; If we can't read it, print the error message and exit.
|
||
(error
|
||
(princ
|
||
(if (eq (car error) 'error)
|
||
(apply 'concat (cdr error))
|
||
(if (memq 'file-error (get (car error) 'error-conditions))
|
||
(format "%s: %s"
|
||
(nth 1 error)
|
||
(mapconcat (lambda (obj) (prin1-to-string obj t))
|
||
(cdr (cdr error)) ", "))
|
||
(format "%s: %s"
|
||
(get (car error) 'error-message)
|
||
(mapconcat (lambda (obj) (prin1-to-string obj t))
|
||
(cdr error) ", "))))
|
||
'external-debugging-output)
|
||
(setq window-system nil)
|
||
(kill-emacs)))
|
||
|
||
;; Windowed displays do this inside their *-win.el.
|
||
(when (and (not (display-graphic-p))
|
||
(not noninteractive))
|
||
(setq command-line-args (tty-handle-args command-line-args)))
|
||
|
||
(set-locale-environment nil)
|
||
|
||
(let ((done nil)
|
||
(args (cdr command-line-args)))
|
||
|
||
;; Figure out which user's init file to load,
|
||
;; either from the environment or from the options.
|
||
(setq init-file-user (if noninteractive nil (user-login-name)))
|
||
;; If user has not done su, use current $HOME to find .emacs.
|
||
(and init-file-user (string= init-file-user (user-real-login-name))
|
||
(setq init-file-user ""))
|
||
|
||
;; Process the command-line args, and delete the arguments
|
||
;; processed. This is consistent with the way main in emacs.c
|
||
;; does things.
|
||
(while (and (not done) args)
|
||
(let ((longopts '(("--no-init-file") ("--no-site-file") ("--user")
|
||
("--debug-init") ("--iconic") ("--icon-type")))
|
||
(argi (car args))
|
||
(argval nil))
|
||
;; Handle --OPTION=VALUE format.
|
||
(if (and (string-match "\\`--" argi)
|
||
(string-match "=" argi))
|
||
(setq argval (substring argi (match-end 0))
|
||
argi (substring argi 0 (match-beginning 0))))
|
||
(or (equal argi "--")
|
||
(let ((completion (try-completion argi longopts)))
|
||
(if (eq completion t)
|
||
(setq argi (substring argi 1))
|
||
(if (stringp completion)
|
||
(let ((elt (assoc completion longopts)))
|
||
(or elt
|
||
(error "Option `%s' is ambiguous" argi))
|
||
(setq argi (substring (car elt) 1)))
|
||
(setq argval nil)))))
|
||
(cond
|
||
((or (string-equal argi "-q")
|
||
(string-equal argi "-no-init-file"))
|
||
(setq init-file-user nil
|
||
args (cdr args)))
|
||
((or (string-equal argi "-u")
|
||
(string-equal argi "-user"))
|
||
(or argval
|
||
(setq args (cdr args)
|
||
argval (car args)))
|
||
(setq init-file-user argval
|
||
argval nil
|
||
args (cdr args)))
|
||
((string-equal argi "-no-site-file")
|
||
(setq site-run-file nil
|
||
args (cdr args)))
|
||
((string-equal argi "-debug-init")
|
||
(setq init-file-debug t
|
||
args (cdr args)))
|
||
((string-equal argi "-iconic")
|
||
(setq initial-frame-alist
|
||
(cons '(visibility . icon) initial-frame-alist))
|
||
(setq args (cdr args)))
|
||
((or (string-equal argi "-icon-type")
|
||
(string-equal argi "-i")
|
||
(string-equal argi "-itype"))
|
||
(setq default-frame-alist
|
||
(cons '(icon-type . t) default-frame-alist))
|
||
(setq args (cdr args)))
|
||
(t (setq done t)))
|
||
;; Was argval set but not used?
|
||
(and argval
|
||
(error "Option `%s' doesn't allow an argument" argi))))
|
||
|
||
;; Re-attach the program name to the front of the arg list.
|
||
(and command-line-args (setcdr command-line-args args)))
|
||
|
||
;; Under X Windows, this creates the X frame and deletes the terminal frame.
|
||
(when (fboundp 'frame-initialize)
|
||
(frame-initialize))
|
||
|
||
;; If frame was created with a menu bar, set menu-bar-mode on.
|
||
(if (and (not noninteractive)
|
||
(or (not (memq window-system '(x w32)))
|
||
(> (cdr (assq 'menu-bar-lines (frame-parameters))) 0)))
|
||
(menu-bar-mode t))
|
||
|
||
;; If frame was created with a tool bar, switch tool-bar-mode on.
|
||
(when (and (not noninteractive)
|
||
(display-graphic-p)
|
||
(> (frame-parameter nil 'tool-bar-lines) 0))
|
||
(tool-bar-mode 1))
|
||
|
||
;; Can't do this init in defcustom because window-system isn't set.
|
||
(when (and (not noninteractive)
|
||
(not (eq system-type 'ms-dos))
|
||
(memq window-system '(x w32)))
|
||
(setq-default blink-cursor t)
|
||
(blink-cursor-mode 1))
|
||
|
||
(unless noninteractive
|
||
;; DOS/Windows systems have a PC-type keyboard which has both
|
||
;; <delete> and <backspace> keys.
|
||
(when (or (memq system-type '(ms-dos windows-nt))
|
||
(and (memq window-system '(x))
|
||
(fboundp 'x-backspace-delete-keys-p)
|
||
(x-backspace-delete-keys-p)))
|
||
(setq-default delete-key-deletes-forward t)
|
||
(delete-key-deletes-forward-mode 1)))
|
||
|
||
(when (and (not noninteractive)
|
||
(display-graphic-p)
|
||
(fboundp 'x-show-tip))
|
||
(setq-default tooltip-mode t)
|
||
(tooltip-mode 1))
|
||
|
||
;; Register default TTY colors for the case the terminal hasn't a
|
||
;; terminal init file.
|
||
(or (memq window-system '(x w32))
|
||
(not (tty-display-color-p))
|
||
(let* ((colors (cond ((eq window-system 'pc)
|
||
msdos-color-values)
|
||
((eq system-type 'windows-nt)
|
||
w32-tty-standard-colors)
|
||
(t tty-standard-colors)))
|
||
(color (car colors)))
|
||
(while colors
|
||
(tty-color-define (car color) (cadr color) (cddr color))
|
||
(setq colors (cdr colors) color (car colors)))
|
||
;; Modifying color mappings means realized faces don't
|
||
;; use the right colors, so clear them.
|
||
(clear-face-cache)))
|
||
|
||
;; Record whether the tool-bar is present before the user and site
|
||
;; init files are processed. frame-notice-user-settings uses this
|
||
;; to determine if the tool-bar has been disabled by the init files,
|
||
;; and the frame needs to be resized.
|
||
(when (fboundp 'frame-notice-user-settings)
|
||
(let ((tool-bar-lines (or (assq 'tool-bar-lines initial-frame-alist)
|
||
(assq 'tool-bar-lines default-frame-alist))))
|
||
(setq tool-bar-originally-present
|
||
(not (or (null tool-bar-lines)
|
||
(null (cdr tool-bar-lines))
|
||
(eq 0 (cdr tool-bar-lines)))))))
|
||
|
||
(run-hooks 'before-init-hook)
|
||
|
||
;; Run the site-start library if it exists. The point of this file is
|
||
;; that it is run before .emacs. There is no point in doing this after
|
||
;; .emacs; that is useless.
|
||
(if site-run-file
|
||
(load site-run-file t t))
|
||
|
||
;; Sites should not disable this. Only individuals should disable
|
||
;; the startup message.
|
||
(setq inhibit-startup-message nil)
|
||
|
||
;; Load that user's init file, or the default one, or none.
|
||
(let (debug-on-error-from-init-file
|
||
debug-on-error-should-be-set
|
||
(debug-on-error-initial
|
||
(if (eq init-file-debug t) 'startup init-file-debug))
|
||
(orig-enable-multibyte default-enable-multibyte-characters))
|
||
(let ((debug-on-error debug-on-error-initial)
|
||
;; This function actually reads the init files.
|
||
(inner
|
||
(function
|
||
(lambda ()
|
||
(if init-file-user
|
||
(let ((user-init-file-1
|
||
(cond
|
||
((eq system-type 'ms-dos)
|
||
(concat "~" init-file-user "/_emacs"))
|
||
((eq system-type 'windows-nt)
|
||
(if (directory-files "~" nil "^\\.emacs\\(\\.elc?\\)?$")
|
||
"~/.emacs"
|
||
"~/_emacs"))
|
||
((eq system-type 'vax-vms)
|
||
"sys$login:.emacs")
|
||
(t
|
||
(concat "~" init-file-user "/.emacs")))))
|
||
;; This tells `load' to store the file name found
|
||
;; into user-init-file.
|
||
(setq user-init-file t)
|
||
(load user-init-file-1 t t)
|
||
|
||
;; If we did not find the user's init file,
|
||
;; set user-init-file conclusively to nil;
|
||
;; don't let it be set from default.el.
|
||
(if (eq user-init-file t)
|
||
(setq user-init-file nil))
|
||
|
||
;; If we loaded a compiled file, set
|
||
;; `user-init-file' to the source version if that
|
||
;; exists.
|
||
(when (and user-init-file
|
||
(equal (file-name-extension user-init-file)
|
||
"elc"))
|
||
(let* ((source (file-name-sans-extension user-init-file))
|
||
(alt (concat source ".el")))
|
||
(setq source (cond ((file-exists-p alt) alt)
|
||
((file-exists-p source) source)
|
||
(t nil)))
|
||
(when source
|
||
(when (file-newer-than-file-p source user-init-file)
|
||
(message "Warning: %s is newer than %s"
|
||
source user-init-file)
|
||
(sit-for 1))
|
||
(setq user-init-file source))))
|
||
|
||
(or inhibit-default-init
|
||
(let ((inhibit-startup-message nil))
|
||
;; Users are supposed to be told their rights.
|
||
;; (Plus how to get help and how to undo.)
|
||
;; Don't you dare turn this off for anyone
|
||
;; except yourself.
|
||
(load "default" t t)))))))))
|
||
(if init-file-debug
|
||
;; Do this without a condition-case if the user wants to debug.
|
||
(funcall inner)
|
||
(condition-case error
|
||
(progn
|
||
(funcall inner)
|
||
(setq init-file-had-error nil))
|
||
(error
|
||
(let ((message-log-max nil))
|
||
(save-excursion
|
||
(set-buffer (get-buffer-create "*Messages*"))
|
||
(insert "\n\n"
|
||
(format "An error has occurred while loading `%s':\n\n"
|
||
user-init-file)
|
||
(format "%s%s%s"
|
||
(get (car error) 'error-message)
|
||
(if (cdr error) ": " "")
|
||
(mapconcat 'prin1-to-string (cdr error) ", "))
|
||
"\n\n"
|
||
"To ensure normal operation, you should investigate the cause\n"
|
||
"of the error in your initialization file and remove it. Start\n"
|
||
"Emacs with the `--debug-init' option to view a complete error\n"
|
||
"backtrace\n"))
|
||
(message "Error in init file: %s%s%s"
|
||
(get (car error) 'error-message)
|
||
(if (cdr error) ": " "")
|
||
(mapconcat 'prin1-to-string (cdr error) ", "))
|
||
(pop-to-buffer "*Messages*")
|
||
(setq init-file-had-error t)))))
|
||
;; If we can tell that the init file altered debug-on-error,
|
||
;; arrange to preserve the value that it set up.
|
||
(or (eq debug-on-error debug-on-error-initial)
|
||
(setq debug-on-error-should-be-set t
|
||
debug-on-error-from-init-file debug-on-error)))
|
||
(if debug-on-error-should-be-set
|
||
(setq debug-on-error debug-on-error-from-init-file))
|
||
(unless (or default-enable-multibyte-characters
|
||
(eq orig-enable-multibyte default-enable-multibyte-characters))
|
||
;; Init file changed to unibyte. Reset existing multibyte
|
||
;; buffers (probably *scratch*, *Messages*, *Minibuff-0*).
|
||
;; Arguably this should only be done if they're free of
|
||
;; multibyte characters.
|
||
(mapcar (lambda (buffer)
|
||
(with-current-buffer buffer
|
||
(if enable-multibyte-characters
|
||
(set-buffer-multibyte nil))))
|
||
(buffer-list))
|
||
;; Also re-set the language environment in case it was
|
||
;; originally done before unibyte was set and is sensitive to
|
||
;; unibyte (display table, terminal coding system &c).
|
||
(set-language-environment current-language-environment)))
|
||
|
||
;; Do this here in case the init file sets mail-host-address.
|
||
(or user-mail-address
|
||
(setq user-mail-address (concat (user-login-name) "@"
|
||
(or mail-host-address
|
||
(system-name)))))
|
||
|
||
(run-hooks 'after-init-hook)
|
||
|
||
;; If *scratch* exists and init file didn't change its mode, initialize it.
|
||
(if (get-buffer "*scratch*")
|
||
(save-excursion
|
||
(set-buffer "*scratch*")
|
||
(if (eq major-mode 'fundamental-mode)
|
||
(funcall initial-major-mode))))
|
||
|
||
;; Load library for our terminal type.
|
||
;; User init file can set term-file-prefix to nil to prevent this.
|
||
(and term-file-prefix (not noninteractive) (not window-system)
|
||
(let ((term (getenv "TERM"))
|
||
hyphend)
|
||
(while (and term
|
||
(not (load (concat term-file-prefix term) t t)))
|
||
;; Strip off last hyphen and what follows, then try again
|
||
(if (setq hyphend (string-match "[-_][^-_]+$" term))
|
||
(setq term (substring term 0 hyphend))
|
||
(setq term nil)))))
|
||
|
||
;; Process the remaining args.
|
||
(command-line-1 (cdr command-line-args))
|
||
|
||
;; If -batch, terminate after processing the command options.
|
||
(if noninteractive (kill-emacs t)))
|
||
|
||
(defcustom initial-scratch-message (purecopy "\
|
||
;; This buffer is for notes you don't want to save, and for Lisp evaluation.
|
||
;; If you want to create a file, visit that file with C-x C-f,
|
||
;; then enter the text in that file's own buffer.
|
||
|
||
")
|
||
"Initial message displayed in *scratch* buffer at startup.
|
||
If this is nil, no message will be displayed."
|
||
:type 'string)
|
||
|
||
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
;;; Fancy splash screen
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
|
||
(defvar fancy-splash-text
|
||
'((:face variable-pitch
|
||
"You can do basic editing with the menu bar and scroll bar \
|
||
using the mouse.\n\n"
|
||
:face (variable-pitch :weight bold)
|
||
"Important Help menu items:\n"
|
||
:face variable-pitch "\
|
||
Emacs Tutorial\tLearn-by-doing tutorial for using Emacs efficiently
|
||
Emacs FAQ\tFrequently asked questions and answers
|
||
\(Non)Warranty\tGNU Emacs comes with "
|
||
:face (variable-pitch :slant oblique)
|
||
"ABSOLUTELY NO WARRANTY\n"
|
||
:face variable-pitch
|
||
"\
|
||
Copying Conditions\tConditions for redistributing and changing Emacs
|
||
Ordering Manuals\tHow to order Emacs manuals from the Free Software Foundation\n")
|
||
(:face variable-pitch
|
||
"You can do basic editing with the menu bar and scroll bar \
|
||
using the mouse.\n\n"
|
||
:face (variable-pitch :weight bold)
|
||
"Useful File menu items:\n"
|
||
:face variable-pitch "\
|
||
Exit Emacs\t(Or type Control-x followed by Control-c)
|
||
Recover Session\tRecover files you were editing before a crash
|
||
|
||
|
||
|
||
"
|
||
))
|
||
"A list of texts to show in the middle part of splash screens.
|
||
Each element in the list should be a list of strings or pairs
|
||
`:face FACE', like `fancy-splash-insert' accepts them.")
|
||
|
||
|
||
(defgroup fancy-splash-screen ()
|
||
"Fancy splash screen when Emacs starts."
|
||
:version "21.1"
|
||
:group 'initialization)
|
||
|
||
|
||
(defcustom fancy-splash-delay 10
|
||
"*Delay in seconds between splash screens."
|
||
:group 'fancy-splash-screen
|
||
:type 'integer)
|
||
|
||
|
||
(defcustom fancy-splash-max-time 60
|
||
"*Show splash screens for at most this number of seconds.
|
||
Values less than 60 seconds are ignored."
|
||
:group 'fancy-splash-screen
|
||
:type 'integer)
|
||
|
||
|
||
(defcustom fancy-splash-image nil
|
||
"*The image to show in the splash screens, or nil for defaults."
|
||
:group 'fancy-splash-screen
|
||
:type '(choice (const :tag "Default" nil)
|
||
(file :tag "File")))
|
||
|
||
|
||
;; These are temporary storage areas for the splash screen display.
|
||
|
||
(defvar fancy-current-text nil)
|
||
(defvar fancy-splash-help-echo nil)
|
||
(defvar fancy-splash-stop-time nil)
|
||
|
||
|
||
(defun fancy-splash-insert (&rest args)
|
||
"Insert text into the current buffer, with faces.
|
||
Arguments from ARGS should be either strings or pairs `:face FACE',
|
||
where FACE is a valid face specification, as it can be used with
|
||
`put-text-properties'."
|
||
(let ((current-face nil))
|
||
(while args
|
||
(if (eq (car args) :face)
|
||
(setq args (cdr args) current-face (car args))
|
||
(insert (propertize (car args)
|
||
'face current-face
|
||
'help-echo fancy-splash-help-echo)))
|
||
(setq args (cdr args)))))
|
||
|
||
|
||
(defun fancy-splash-head ()
|
||
"Insert the head part of the splash screen into the current buffer."
|
||
(let* ((img (create-image (or fancy-splash-image
|
||
(if (and (display-color-p)
|
||
(image-type-available-p 'xpm))
|
||
"splash.xpm" "splash.pbm"))))
|
||
(image-width (and img (car (image-size img))))
|
||
(window-width (window-width (selected-window))))
|
||
(when img
|
||
(when (> window-width image-width)
|
||
;; Center the image in the window.
|
||
(let ((pos (/ (- window-width image-width) 2)))
|
||
(insert (propertize " " 'display `(space :align-to ,pos))))
|
||
|
||
;; Insert the image with a help-echo and a keymap.
|
||
(let ((map (make-sparse-keymap))
|
||
(help-echo "mouse-2: browse http://www.gnu.org/"))
|
||
(define-key map [mouse-2]
|
||
(lambda ()
|
||
(interactive)
|
||
(browse-url "http://www.gnu.org/")
|
||
(throw 'exit nil)))
|
||
(define-key map [down-mouse-2] 'ignore)
|
||
(define-key map [up-mouse-2] 'ignore)
|
||
(insert-image img (propertize "xxx" 'help-echo help-echo
|
||
'keymap map)))
|
||
(insert "\n"))))
|
||
(if (eq system-type 'gnu/linux)
|
||
(fancy-splash-insert
|
||
:face '(variable-pitch :foreground "red")
|
||
"GNU Emacs is one component of a Linux-based GNU system.")
|
||
(fancy-splash-insert
|
||
:face '(variable-pitch :foreground "red")
|
||
"GNU Emacs is one component of the GNU operating system."))
|
||
(insert "\n"))
|
||
|
||
|
||
(defun fancy-splash-tail ()
|
||
"Insert the tail part of the splash screen into the current buffer."
|
||
(let ((fg (if (eq (frame-parameter nil 'background-mode) 'dark)
|
||
"cyan" "darkblue")))
|
||
(fancy-splash-insert :face `(variable-pitch :foreground ,fg)
|
||
"\nThis is "
|
||
(emacs-version)
|
||
"\n"
|
||
:face '(variable-pitch :height 0.5)
|
||
"Copyright (C) 2001 Free Software Foundation, Inc.")))
|
||
|
||
|
||
(defun fancy-splash-screens-1 (buffer)
|
||
"Timer function displaying a splash screen."
|
||
(when (> (float-time) fancy-splash-stop-time)
|
||
(throw 'stop-splashing nil))
|
||
(unless fancy-current-text
|
||
(setq fancy-current-text fancy-splash-text))
|
||
(let ((text (car fancy-current-text)))
|
||
(set-buffer buffer)
|
||
(erase-buffer)
|
||
(fancy-splash-head)
|
||
(apply #'fancy-splash-insert text)
|
||
(fancy-splash-tail)
|
||
(unless (current-message)
|
||
(message fancy-splash-help-echo))
|
||
(set-buffer-modified-p nil)
|
||
(goto-char (point-min))
|
||
(force-mode-line-update)
|
||
(setq fancy-current-text (cdr fancy-current-text))))
|
||
|
||
|
||
(defun fancy-splash-default-action ()
|
||
"Default action for events in the splash screen buffer."
|
||
(interactive)
|
||
(setq hansi last-nonmenu-event)
|
||
(push last-command-event unread-command-events)
|
||
(setq unread (copy-sequence unread-command-events))
|
||
(throw 'exit nil))
|
||
|
||
|
||
(defun fancy-splash-screens ()
|
||
"Display fancy splash screens when Emacs starts."
|
||
(setq fancy-splash-help-echo (startup-echo-area-message))
|
||
(switch-to-buffer "GNU Emacs")
|
||
(setq tab-width 20)
|
||
(let ((old-hourglass display-hourglass)
|
||
(splash-buffer (current-buffer))
|
||
timer)
|
||
(catch 'stop-splashing
|
||
(unwind-protect
|
||
(let ((map (make-sparse-keymap)))
|
||
(use-local-map map)
|
||
(define-key map [t] 'fancy-splash-default-action)
|
||
(define-key map [mouse-movement] 'ignore)
|
||
(setq cursor-type nil
|
||
display-hourglass nil
|
||
buffer-undo-list t
|
||
mode-line-format
|
||
(propertize "---- %b %-" 'face '(:weight bold))
|
||
fancy-splash-stop-time (+ (float-time)
|
||
(max 60 fancy-splash-max-time))
|
||
timer (run-with-timer 0 fancy-splash-delay
|
||
#'fancy-splash-screens-1
|
||
splash-buffer))
|
||
(recursive-edit))
|
||
(cancel-timer timer)
|
||
(setq display-hourglass old-hourglass)
|
||
(kill-buffer splash-buffer)
|
||
(setq hansi2 last-nonmenu-event)
|
||
))))
|
||
|
||
|
||
(defun use-fancy-splash-screens-p ()
|
||
"Return t if fancy splash screens should be used."
|
||
(when (or (and (display-color-p)
|
||
(image-type-available-p 'xpm))
|
||
(image-type-available-p 'pbm))
|
||
(let* ((img (create-image (or fancy-splash-image
|
||
(if (and (display-color-p)
|
||
(image-type-available-p 'xpm))
|
||
"splash.xpm" "splash.pbm"))))
|
||
(image-height (and img (cdr (image-size img))))
|
||
(window-height (1- (window-height (selected-window)))))
|
||
(> window-height (+ image-height 15)))))
|
||
|
||
|
||
(defun startup-echo-area-message ()
|
||
(if (eq (key-binding "\C-h\C-p") 'describe-project)
|
||
"For information about the GNU Project and its goals, type C-h C-p."
|
||
(substitute-command-keys
|
||
"For information about the GNU Project and its goals, type \
|
||
\\[describe-project].")))
|
||
|
||
|
||
(defun display-startup-echo-area-message ()
|
||
(let ((resize-mini-windows t))
|
||
(message (startup-echo-area-message))))
|
||
|
||
|
||
(defun command-line-1 (command-line-args-left)
|
||
(or noninteractive (input-pending-p) init-file-had-error
|
||
(and inhibit-startup-echo-area-message
|
||
user-init-file
|
||
(or (and (get 'inhibit-startup-echo-area-message 'saved-value)
|
||
(equal inhibit-startup-echo-area-message
|
||
(if (string= init-file-user "")
|
||
(user-login-name)
|
||
init-file-user)))
|
||
;; Wasn't set with custom; see if .emacs has a setq.
|
||
(let ((buffer (get-buffer-create " *temp*")))
|
||
(prog1
|
||
(condition-case nil
|
||
(save-excursion
|
||
(set-buffer buffer)
|
||
(insert-file-contents user-init-file)
|
||
(re-search-forward
|
||
(concat
|
||
"([ \t\n]*setq[ \t\n]+"
|
||
"inhibit-startup-echo-area-message[ \t\n]+"
|
||
(regexp-quote
|
||
(prin1-to-string
|
||
(if (string= init-file-user "")
|
||
(user-login-name)
|
||
init-file-user)))
|
||
"[ \t\n]*)")
|
||
nil t))
|
||
(error nil))
|
||
(kill-buffer buffer)))))
|
||
(display-startup-echo-area-message))
|
||
(if (null command-line-args-left)
|
||
(cond ((and (not inhibit-startup-message) (not noninteractive)
|
||
;; Don't clobber a non-scratch buffer if init file
|
||
;; has selected it.
|
||
(string= (buffer-name) "*scratch*"))
|
||
;; If there are no switches to process, we might as well
|
||
;; run this hook now, and there may be some need to do it
|
||
;; before doing any output.
|
||
(and term-setup-hook
|
||
(run-hooks 'term-setup-hook))
|
||
;; Don't let the hook be run twice.
|
||
(setq term-setup-hook nil)
|
||
|
||
;; It's important to notice the user settings before we
|
||
;; display the startup message; otherwise, the settings
|
||
;; won't take effect until the user gives the first
|
||
;; keystroke, and that's distracting.
|
||
(when (fboundp 'frame-notice-user-settings)
|
||
(frame-notice-user-settings))
|
||
|
||
(when window-setup-hook
|
||
(run-hooks 'window-setup-hook)
|
||
(setq window-setup-hook nil))
|
||
|
||
(when (display-popup-menus-p)
|
||
(precompute-menubar-bindings))
|
||
(setq menubar-bindings-done t)
|
||
|
||
;; Do this now to avoid an annoying delay if the user
|
||
;; clicks the menu bar during the sit-for.
|
||
(when (= (buffer-size) 0)
|
||
(let ((buffer-undo-list t)
|
||
(wait-for-input t))
|
||
(unwind-protect
|
||
(when (not (input-pending-p))
|
||
(goto-char (point-max))
|
||
;; The convention for this piece of code is that
|
||
;; each piece of output starts with one or two newlines
|
||
;; and does not end with any newlines.
|
||
(insert "Welcome to GNU Emacs")
|
||
(if (eq system-type 'gnu/linux)
|
||
(insert ", one component of a Linux-based GNU system."))
|
||
(insert "\n")
|
||
|
||
(if (assq 'display (frame-parameters))
|
||
|
||
(if (use-fancy-splash-screens-p)
|
||
(progn
|
||
(setq wait-for-input nil)
|
||
(fancy-splash-screens))
|
||
(progn
|
||
(insert "\
|
||
You can do basic editing with the menu bar and scroll bar using the mouse.
|
||
|
||
Useful File menu items:
|
||
Exit Emacs (or type Control-x followed by Control-c)
|
||
Recover Session recover files you were editing before a crash
|
||
|
||
Important Help menu items:
|
||
Emacs Tutorial Learn-by-doing tutorial for using Emacs efficiently.
|
||
Emacs FAQ Frequently asked questions and answers
|
||
\(Non)Warranty GNU Emacs comes with ABSOLUTELY NO WARRANTY
|
||
Copying Conditions Conditions for redistributing and changing Emacs.
|
||
Getting New Versions How to obtain the latest version of Emacs.
|
||
Ordering Manuals How to order manuals from the FSF.
|
||
")
|
||
(insert "\n\n" (emacs-version)
|
||
"
|
||
Copyright (C) 2001 Free Software Foundation, Inc.")))
|
||
|
||
;; If keys have their default meanings,
|
||
;; use precomputed string to save lots of time.
|
||
(if (and (eq (key-binding "\C-h") 'help-command)
|
||
(eq (key-binding "\C-xu") 'advertised-undo)
|
||
(eq (key-binding "\C-x\C-c") 'save-buffers-kill-emacs)
|
||
(eq (key-binding "\C-ht") 'help-with-tutorial)
|
||
(eq (key-binding "\C-hi") 'info)
|
||
(eq (key-binding "\C-h\C-n") 'view-emacs-news))
|
||
(insert "
|
||
Get help C-h (Hold down CTRL and press h)
|
||
Undo changes C-x u Exit Emacs C-x C-c
|
||
Get a tutorial C-h t Use Info to read docs C-h i
|
||
Ordering manuals C-h RET")
|
||
(insert (substitute-command-keys
|
||
(format "\n
|
||
Get help %s
|
||
Undo changes \\[advertised-undo]
|
||
Exit Emacs \\[save-buffers-kill-emacs]
|
||
Get a tutorial \\[help-with-tutorial]
|
||
Use Info to read docs \\[info]
|
||
Ordering manuals \\[view-order-manuals]"
|
||
(let ((where (where-is-internal
|
||
'help-command nil t)))
|
||
(if where
|
||
(key-description where)
|
||
"M-x help"))))))
|
||
;; Say how to use the menu bar
|
||
;; if that is not with the mouse.
|
||
(if (and (eq (key-binding "\M-`") 'tmm-menubar)
|
||
(eq (key-binding [f10]) 'tmm-menubar))
|
||
(insert "
|
||
Activate menubar F10 or ESC ` or M-`")
|
||
(insert (substitute-command-keys "
|
||
Activate menubar \\[tmm-menubar]")))
|
||
|
||
(if (display-mouse-p)
|
||
(insert "
|
||
Mode-specific menu C-mouse-3 (third button, with CTRL)"))
|
||
;; Many users seem to have problems with these.
|
||
(insert "
|
||
\(`C-' means use the CTRL key. `M-' means use the Meta (or Alt) key.
|
||
If you have no Meta key, you may instead type ESC followed by the character.)")
|
||
(and auto-save-list-file-prefix
|
||
;; Don't signal an error if the
|
||
;; directory for auto-save-list files
|
||
;; does not yet exist.
|
||
(file-directory-p (file-name-directory
|
||
auto-save-list-file-prefix))
|
||
(directory-files
|
||
(file-name-directory auto-save-list-file-prefix)
|
||
nil
|
||
(concat "\\`"
|
||
(regexp-quote (file-name-nondirectory
|
||
auto-save-list-file-prefix)))
|
||
t)
|
||
(insert "\n\nIf an Emacs session crashed recently, "
|
||
"type M-x recover-session RET\nto recover"
|
||
" the files you were editing."))
|
||
|
||
(insert "\n\n" (emacs-version)
|
||
"
|
||
Copyright (C) 2001 Free Software Foundation, Inc.")
|
||
(if (and (eq (key-binding "\C-h\C-c") 'describe-copying)
|
||
(eq (key-binding "\C-h\C-d") 'describe-distribution)
|
||
(eq (key-binding "\C-h\C-w") 'describe-no-warranty))
|
||
(insert
|
||
"\n
|
||
GNU Emacs comes with ABSOLUTELY NO WARRANTY; type C-h C-w for full details.
|
||
Emacs is Free Software--Free as in Freedom--so you can redistribute copies
|
||
of Emacs and modify it; type C-h C-c to see the conditions.
|
||
Type C-h C-d for information on getting the latest version.")
|
||
(insert (substitute-command-keys
|
||
"\n
|
||
GNU Emacs comes with ABSOLUTELY NO WARRANTY; type \\[describe-no-warranty] for full details.
|
||
Emacs is Free Software--Free as in Freedom--so you can redistribute copies
|
||
of Emacs and modify it; type \\[describe-copying] to see the conditions.
|
||
Type \\[describe-distribution] for information on getting the latest version."))))
|
||
(goto-char (point-min))
|
||
|
||
(set-buffer-modified-p nil)
|
||
(when wait-for-input
|
||
(sit-for 120)))
|
||
|
||
(with-current-buffer (get-buffer "*scratch*")
|
||
(erase-buffer)
|
||
(when initial-scratch-message
|
||
(insert initial-scratch-message))
|
||
(set-buffer-modified-p nil)))))))
|
||
|
||
;; Delay 2 seconds after the init file error message
|
||
;; was displayed, so user can read it.
|
||
(if init-file-had-error
|
||
(sit-for 2))
|
||
(let ((dir command-line-default-directory)
|
||
(file-count 0)
|
||
first-file-buffer
|
||
tem
|
||
just-files;; t if this follows the magic -- option.
|
||
;; This includes our standard options' long versions
|
||
;; and long versions of what's on command-switch-alist.
|
||
(longopts
|
||
(append '(("--funcall") ("--load") ("--insert") ("--kill")
|
||
("--directory") ("--eval") ("--execute")
|
||
("--find-file") ("--visit") ("--file"))
|
||
(mapcar (lambda (elt)
|
||
(list (concat "-" (car elt))))
|
||
command-switch-alist)))
|
||
(line 0))
|
||
|
||
;; Add the long X options to longopts.
|
||
(setq tem command-line-x-option-alist)
|
||
(while tem
|
||
(if (string-match "^--" (car (car tem)))
|
||
(setq longopts (cons (list (car (car tem))) longopts)))
|
||
(setq tem (cdr tem)))
|
||
|
||
;; Loop, processing options.
|
||
(while (and command-line-args-left)
|
||
(let* ((argi (car command-line-args-left))
|
||
(orig-argi argi)
|
||
argval completion
|
||
;; List of directories specified in -L/--directory,
|
||
;; in reverse of the order specified.
|
||
extra-load-path
|
||
(initial-load-path load-path))
|
||
(setq command-line-args-left (cdr command-line-args-left))
|
||
|
||
;; Do preliminary decoding of the option.
|
||
(if just-files
|
||
;; After --, don't look for options; treat all args as files.
|
||
(setq argi "")
|
||
;; Convert long options to ordinary options
|
||
;; and separate out an attached option argument into argval.
|
||
(if (string-match "^--[^=]*=" argi)
|
||
(setq argval (substring argi (match-end 0))
|
||
argi (substring argi 0 (1- (match-end 0)))))
|
||
(if (equal argi "--")
|
||
(setq completion nil)
|
||
(setq completion (try-completion argi longopts)))
|
||
(if (eq completion t)
|
||
(setq argi (substring argi 1))
|
||
(if (stringp completion)
|
||
(let ((elt (assoc completion longopts)))
|
||
(or elt
|
||
(error "Option `%s' is ambiguous" argi))
|
||
(setq argi (substring (car elt) 1)))
|
||
(setq argval nil argi orig-argi))))
|
||
|
||
;; Execute the option.
|
||
(cond ((setq tem (assoc argi command-switch-alist))
|
||
(if argval
|
||
(let ((command-line-args-left
|
||
(cons argval command-line-args-left)))
|
||
(funcall (cdr tem) argi))
|
||
(funcall (cdr tem) argi)))
|
||
|
||
((or (string-equal argi "-f") ;what the manual claims
|
||
(string-equal argi "-funcall")
|
||
(string-equal argi "-e")) ; what the source used to say
|
||
(if argval
|
||
(setq tem (intern argval))
|
||
(setq tem (intern (car command-line-args-left)))
|
||
(setq command-line-args-left (cdr command-line-args-left)))
|
||
(if (arrayp (symbol-function tem))
|
||
(command-execute tem)
|
||
(funcall tem)))
|
||
|
||
((or (string-equal argi "-eval")
|
||
(string-equal argi "-execute"))
|
||
(if argval
|
||
(setq tem argval)
|
||
(setq tem (car command-line-args-left))
|
||
(setq command-line-args-left (cdr command-line-args-left)))
|
||
(eval (read tem)))
|
||
;; Set the default directory as specified in -L.
|
||
|
||
((or (string-equal argi "-L")
|
||
(string-equal argi "-directory"))
|
||
(if argval
|
||
(setq tem argval)
|
||
(setq tem (car command-line-args-left)
|
||
command-line-args-left (cdr command-line-args-left)))
|
||
(setq tem (command-line-normalize-file-name tem))
|
||
(setq extra-load-path
|
||
(cons (expand-file-name tem) extra-load-path))
|
||
(setq load-path (append (nreverse extra-load-path)
|
||
initial-load-path)))
|
||
|
||
((or (string-equal argi "-l")
|
||
(string-equal argi "-load"))
|
||
(if argval
|
||
(setq tem argval)
|
||
(setq tem (car command-line-args-left)
|
||
command-line-args-left (cdr command-line-args-left)))
|
||
(let ((file (command-line-normalize-file-name tem)))
|
||
;; Take file from default dir if it exists there;
|
||
;; otherwise let `load' search for it.
|
||
(if (file-exists-p (expand-file-name file))
|
||
(setq file (expand-file-name file)))
|
||
(load file nil t)))
|
||
|
||
((string-equal argi "-insert")
|
||
(if argval
|
||
(setq tem argval)
|
||
(setq tem (car command-line-args-left)
|
||
command-line-args-left (cdr command-line-args-left)))
|
||
(or (stringp tem)
|
||
(error "File name omitted from `-insert' option"))
|
||
(insert-file-contents (command-line-normalize-file-name tem)))
|
||
|
||
((string-equal argi "-kill")
|
||
(kill-emacs t))
|
||
|
||
((string-match "^\\+[0-9]+\\'" argi)
|
||
(setq line (string-to-int argi)))
|
||
|
||
((setq tem (assoc argi command-line-x-option-alist))
|
||
;; Ignore X-windows options and their args if not using X.
|
||
(setq command-line-args-left
|
||
(nthcdr (nth 1 tem) command-line-args-left)))
|
||
|
||
((or (string-equal argi "-find-file")
|
||
(string-equal argi "-file")
|
||
(string-equal argi "-visit"))
|
||
;; An explicit option to specify visiting a file.
|
||
(if argval
|
||
(setq tem argval)
|
||
(setq tem (car command-line-args-left)
|
||
command-line-args-left (cdr command-line-args-left)))
|
||
(unless (stringp tem)
|
||
(error "File name omitted from `%s' option" argi))
|
||
(setq file-count (1+ file-count))
|
||
(let ((file (expand-file-name
|
||
(command-line-normalize-file-name tem) dir)))
|
||
(if (= file-count 1)
|
||
(setq first-file-buffer (find-file file))
|
||
(find-file-other-window file)))
|
||
(or (zerop line)
|
||
(goto-line line))
|
||
(setq line 0))
|
||
|
||
((equal argi "--")
|
||
(setq just-files t))
|
||
(t
|
||
;; We have almost exhausted our options. See if the
|
||
;; user has made any other command-line options available
|
||
(let ((hooks command-line-functions);; lrs 7/31/89
|
||
(did-hook nil))
|
||
(while (and hooks
|
||
(not (setq did-hook (funcall (car hooks)))))
|
||
(setq hooks (cdr hooks)))
|
||
(if (not did-hook)
|
||
;; Ok, presume that the argument is a file name
|
||
(progn
|
||
(if (string-match "\\`-" argi)
|
||
(error "Unknown option `%s'" argi))
|
||
(setq file-count (1+ file-count))
|
||
(let ((file
|
||
(expand-file-name
|
||
(command-line-normalize-file-name orig-argi)
|
||
dir)))
|
||
(if (= file-count 1)
|
||
(setq first-file-buffer (find-file file))
|
||
(find-file-other-window file)))
|
||
(or (zerop line)
|
||
(goto-line line))
|
||
(setq line 0))))))))
|
||
;; If 3 or more files visited, and not all visible,
|
||
;; show user what they all are.
|
||
(and (> file-count 2)
|
||
(not noninteractive)
|
||
(or (get-buffer-window first-file-buffer)
|
||
(progn (other-window 1)
|
||
(buffer-menu)))))))
|
||
|
||
|
||
(defun command-line-normalize-file-name (file)
|
||
"Collapse multiple slashes to one, to handle non-Emacs file names."
|
||
(save-match-data
|
||
;; Use arg 1 so that we don't collapse // at the start of the file name.
|
||
;; That is significant on some systems.
|
||
;; However, /// at the beginning is supposed to mean just /, not //.
|
||
(if (string-match "^///+" file)
|
||
(setq file (replace-match "/" t t file)))
|
||
(while (string-match "//+" file 1)
|
||
(setq file (replace-match "/" t t file)))
|
||
file))
|
||
|
||
;;; startup.el ends here
|