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1978 lines
76 KiB
EmacsLisp
1978 lines
76 KiB
EmacsLisp
;;; startup.el --- process Emacs shell arguments
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;; Copyright (C) 1985, 1986, 1992, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
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;; 2001, 2002, 2003, 2004, 2005, 2006 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., 51 Franklin Street, Fifth Floor,
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;; Boston, MA 02110-1301, USA.
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;;; Commentary:
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;; This file parses the command line and gets Emacs running. Options
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;; on the command line are handled in precedence order. For priorities
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;; see the structure standard_args in the emacs.c file.
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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-splash-screen nil
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"Non-nil inhibits the startup screen.
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It also inhibits display of the initial message in the *scratch* buffer.
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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 screen."
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:type 'boolean
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:group 'initialization)
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(defvaralias 'inhibit-startup-message 'inhibit-splash-screen)
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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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(defcustom inhibit-startup-buffer-menu nil
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"*Non-nil inhibits display of buffer list when more than 2 files are loaded."
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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 the switch string as its sole argument;
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the 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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("-fs" 0 x-handle-initial-switch fullscreen fullboth)
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("-fw" 0 x-handle-initial-switch fullscreen fullwidth)
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("-fh" 0 x-handle-initial-switch fullscreen fullheight)
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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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("-nbi" 0 x-handle-switch icon-type nil)
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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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("--fullscreen" 0 x-handle-initial-switch fullscreen fullboth)
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("--fullwidth" 0 x-handle-initial-switch fullscreen fullwidth)
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("--fullheight" 0 x-handle-initial-switch fullscreen fullheight)
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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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("--no-bitmap-icon" 0 x-handle-switch icon-type nil)
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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-color)
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("--smid" 1 x-handle-smid))
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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 inhibit-startup-hooks nil
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"Non-nil means don't run `term-setup-hook' and `emacs-startup-hook'.
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This is because we already did so.")
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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 the proper function and keypad
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keys for use under X. It is used in a fashion analogous to the
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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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(defvar 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 an empty string, meaning
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use the init file for the user who originally logged in,
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or it may be a string containing a user's name meaning
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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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(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's
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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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This variable is defined for customization so as to make
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it visible in the relevant context. However, actually customizing it
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is not allowed, since it would not work anyway. The only way to set
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this variable usefully is to set it while building and dumping Emacs."
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:type '(choice (const :tag "none" nil) string)
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:group 'initialization
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:initialize 'custom-initialize-default
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:set '(lambda (variable value)
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(error "Customizing `site-run-file' does not work")))
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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 (if command-line-processed
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(or (getenv "EMAIL")
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(concat (user-login-name) "@"
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(or mail-host-address
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(system-name))))
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;; Empty string means "not set yet".
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"")
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"*Full mailing address of this user.
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This is initialized with environment variable `EMAIL' or, as a
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fallback, using `mail-host-address'. This is done after your
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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 emacs-quick-startup nil)
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(defvar emacs-basic-display nil)
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(defvar init-file-debug nil)
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(defvar init-file-had-error nil
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"Non-nil if there was an error loading the user's init file.")
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(defvar normal-top-level-add-subdirs-inode-list nil)
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(defvar no-blinking-cursor nil)
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(defvar default-frame-background-mode)
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(defvar pure-space-overflow nil
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"Non-nil if building Emacs overflowed pure space.")
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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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(push (pop pending) dirs)
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(let* ((this-dir (car dirs))
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(contents (directory-files this-dir))
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(default-directory this-dir)
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(canonicalized (if (fboundp 'untranslated-canonical-name)
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(untranslated-canonical-name this-dir))))
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;; The Windows version doesn't report meaningful inode
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;; numbers, so use the canonicalized absolute file name of the
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;; directory instead.
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(setq attrs (or canonicalized
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(nthcdr 10 (file-attributes this-dir))))
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(unless (member attrs normal-top-level-add-subdirs-inode-list)
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(push attrs normal-top-level-add-subdirs-inode-list)
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(dolist (file contents)
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;; The lower-case variants of RCS and CVS are for DOS/Windows.
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(unless (member file '("." ".." "RCS" "CVS" "rcs" "cvs"))
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(when (and (string-match "\\`[[:alnum:]]" file)
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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?\\'" file))
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(file-directory-p file))
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(let ((expanded (expand-file-name file)))
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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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(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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(with-current-buffer "*Messages*"
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(setq default-directory dir)))
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;; `user-full-name' is now known; reset its standard-value here.
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(put 'user-full-name 'standard-value
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(list (default-value 'user-full-name)))
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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
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;; available input methods.
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(let ((tail load-path) dir)
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(while tail
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(setq dir (car tail))
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(let ((default-directory dir))
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(load (expand-file-name "subdirs.el") t t t))
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(let ((default-directory dir))
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(load (expand-file-name "leim-list.el") t t t))
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;; We don't use a dolist loop and we put this "setq-cdr" command at
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;; the end, because the subdirs.el files may add elements to the end
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;; of load-path and we want to take it into account.
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(setq tail (cdr tail))))
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(unless (eq system-type 'vax-vms)
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;; If the PWD environment variable isn't accurate, delete it.
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(let ((pwd (getenv "PWD")))
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(and (stringp pwd)
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;; Use FOO/., so that if FOO is a symlink, file-attributes
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;; describes the directory linked to, not FOO itself.
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(or (equal (file-attributes
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(concat (file-name-as-directory pwd) "."))
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(file-attributes
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(concat (file-name-as-directory default-directory)
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".")))
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(setq process-environment
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(delete (concat "PWD=" pwd)
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process-environment))))))
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(setq default-directory (abbreviate-file-name default-directory))
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(let ((menubar-bindings-done nil))
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(unwind-protect
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(command-line)
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;; Do this again, in case .emacs defined more abbreviations.
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(setq default-directory (abbreviate-file-name default-directory))
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;; Specify the file for recording all the auto save files of this session.
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;; This is used by recover-session.
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(or auto-save-list-file-name
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(and auto-save-list-file-prefix
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(setq auto-save-list-file-name
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;; Under MS-DOS our PID is almost always reused between
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;; Emacs invocations. We need something more unique.
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(cond ((eq system-type 'ms-dos)
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;; We are going to access the auto-save
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;; directory, so make sure it exists.
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(make-directory
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(file-name-directory auto-save-list-file-prefix)
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t)
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(concat
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(make-temp-name
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(expand-file-name
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auto-save-list-file-prefix))
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"~"))
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(t
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(expand-file-name
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(format "%s%d-%s~"
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auto-save-list-file-prefix
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(emacs-pid)
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(system-name))))))))
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(unless inhibit-startup-hooks
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(run-hooks 'emacs-startup-hook)
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(and term-setup-hook
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(run-hooks 'term-setup-hook)))
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||
|
||
;; Don't do this if we failed to create the initial frame,
|
||
;; for instance due to a dense colormap.
|
||
(when (or frame-initial-frame
|
||
;; If frame-initial-frame has no meaning, do this anyway.
|
||
(not (and window-system
|
||
(not noninteractive)
|
||
(not (eq window-system 'pc)))))
|
||
;; 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 (selected-frame))
|
||
term)
|
||
(when (and (null window-system)
|
||
;; Don't override default set by files in lisp/term.
|
||
(null default-frame-background-mode)
|
||
(let ((bg (frame-parameter frame 'background-color)))
|
||
(or (null bg)
|
||
(member bg '(unspecified "unspecified-bg"
|
||
"unspecified-fg")))))
|
||
|
||
(setq term (getenv "TERM"))
|
||
;; Some files in lisp/term do a better job with the
|
||
;; background mode, but we leave this here anyway, in
|
||
;; case they remove those files.
|
||
(if (string-match "^\\(xterm\\|rxvt\\|dtterm\\|eterm\\)"
|
||
term)
|
||
(setq default-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")
|
||
("--color" . "-color")))
|
||
|
||
(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 arguments "-fg", "-bg", "-name", etc.
|
||
(defun tty-handle-args (args)
|
||
(let (rest)
|
||
(message "%s" args)
|
||
(while (and args
|
||
(not (equal (car args) "--")))
|
||
(let* ((argi (pop args))
|
||
(orig-argi argi)
|
||
argval completion)
|
||
;; Check for long options with attached arguments
|
||
;; and separate out the attached option argument into argval.
|
||
(when (string-match "^\\(--[^=]*\\)=" argi)
|
||
(setq argval (substring argi (match-end 0))
|
||
argi (match-string 1 argi)))
|
||
(when (string-match "^--" argi)
|
||
(setq completion (try-completion argi tty-long-option-alist))
|
||
(if (eq completion t)
|
||
;; Exact match for long option.
|
||
(setq argi (cdr (assoc argi 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" argi))
|
||
(setq argi (cdr elt)))
|
||
;; Check for a short option.
|
||
(setq argval nil
|
||
argi orig-argi))))
|
||
(cond ((member argi '("-fg" "-foreground"))
|
||
(push (cons 'foreground-color (or argval (pop args)))
|
||
default-frame-alist))
|
||
((member argi '("-bg" "-background"))
|
||
(push (cons 'background-color (or argval (pop args)))
|
||
default-frame-alist))
|
||
((member argi '("-T" "-name"))
|
||
(unless argval (setq argval (pop args)))
|
||
(push (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))
|
||
((member argi '("-r" "-rv" "-reverse"))
|
||
(push '(reverse . t)
|
||
default-frame-alist))
|
||
((equal argi "-color")
|
||
(unless argval (setq argval 8)) ; default --color means 8 ANSI colors
|
||
(push (cons 'tty-color-mode
|
||
(cond
|
||
((numberp argval) argval)
|
||
((string-match "-?[0-9]+" argval)
|
||
(string-to-number argval))
|
||
(t (intern argval))))
|
||
default-frame-alist))
|
||
(t
|
||
(push argi rest)))))
|
||
(nreverse rest)))
|
||
|
||
(defun command-line ()
|
||
(setq command-line-default-directory default-directory)
|
||
|
||
;; Choose a reasonable location for temporary files.
|
||
(custom-reevaluate-setting 'temporary-file-directory)
|
||
(custom-reevaluate-setting 'small-temporary-file-directory)
|
||
(custom-reevaluate-setting 'auto-save-file-name-transforms)
|
||
|
||
;; 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
|
||
((member vc '("t" "numbered"))
|
||
(setq version-control t))
|
||
((member vc '("nil" "existing"))
|
||
(setq version-control nil))
|
||
((member vc '("never" "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)"
|
||
eol-mnemonic-mac "(Mac)"))
|
||
;; Both Mac and Unix EOLs are now "native" on Mac OS so keep the
|
||
;; abbreviated strings `/' and `:' set in coding.c for them.
|
||
((eq system-type 'macos)
|
||
(setq eol-mnemonic-dos "(DOS)"))
|
||
(t ; this is for Unix/GNU/Linux systems
|
||
(setq eol-mnemonic-dos "(DOS)"
|
||
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)
|
||
(terpri 'external-debugging-output)
|
||
(setq window-system nil)
|
||
(kill-emacs)))
|
||
|
||
;; Windowed displays do this inside their *-win.el.
|
||
(unless (or (display-graphic-p) noninteractive)
|
||
(setq command-line-args (tty-handle-args command-line-args)))
|
||
|
||
(set-locale-environment nil)
|
||
|
||
;; Convert preloaded file names to absolute.
|
||
(let ((lisp-dir
|
||
(file-truename
|
||
(file-name-directory
|
||
(locate-file "simple" load-path
|
||
(get-load-suffixes))))))
|
||
|
||
(setq load-history
|
||
(mapcar (lambda (elt)
|
||
(if (and (stringp (car elt))
|
||
(not (file-name-absolute-p (car elt))))
|
||
(cons (concat lisp-dir
|
||
(car elt))
|
||
(cdr elt))
|
||
elt))
|
||
load-history)))
|
||
|
||
;; Convert the arguments to Emacs internal representation.
|
||
(let ((args (cdr command-line-args)))
|
||
(while args
|
||
(setcar args
|
||
(decode-coding-string (car args) locale-coding-system t))
|
||
(pop args)))
|
||
|
||
(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
|
||
(equal 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") ("--debug-init")
|
||
("--user") ("--iconic") ("--icon-type") ("--quick")
|
||
("--no-blinking-cursor") ("--basic-display")))
|
||
(argi (pop args))
|
||
(orig-argi argi)
|
||
argval)
|
||
;; Handle --OPTION=VALUE format.
|
||
(when (string-match "^\\(--[^=]*\\)=" argi)
|
||
(setq argval (substring argi (match-end 0))
|
||
argi (match-string 1 argi)))
|
||
(unless (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
|
||
argi orig-argi)))))
|
||
(cond
|
||
((member argi '("-Q" "-quick"))
|
||
(setq init-file-user nil
|
||
site-run-file nil
|
||
emacs-quick-startup t))
|
||
((member argi '("-D" "-basic-display"))
|
||
(setq no-blinking-cursor t
|
||
emacs-basic-display t)
|
||
(push '(vertical-scroll-bars . nil) initial-frame-alist))
|
||
((member argi '("-q" "-no-init-file"))
|
||
(setq init-file-user nil))
|
||
((member argi '("-u" "-user"))
|
||
(setq init-file-user (or argval (pop args))
|
||
argval nil))
|
||
((equal argi "-no-site-file")
|
||
(setq site-run-file nil))
|
||
((equal argi "-debug-init")
|
||
(setq init-file-debug t))
|
||
((equal argi "-iconic")
|
||
(push '(visibility . icon) initial-frame-alist))
|
||
((member argi '("-icon-type" "-i" "-itype"))
|
||
(push '(icon-type . t) default-frame-alist))
|
||
((member argi '("-nbc" "-no-blinking-cursor"))
|
||
(setq no-blinking-cursor t))
|
||
;; Push the popped arg back on the list of arguments.
|
||
(t
|
||
(push argi args)
|
||
(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)))
|
||
|
||
(run-hooks 'before-init-hook)
|
||
|
||
;; Under X Window, this creates the X frame and deletes the terminal frame.
|
||
(when (fboundp 'frame-initialize)
|
||
(frame-initialize))
|
||
|
||
;; Turn off blinking cursor if so specified in X resources. This is here
|
||
;; only because all other settings of no-blinking-cursor are here.
|
||
(unless (or noninteractive
|
||
emacs-basic-display
|
||
(and (memq window-system '(x w32 mac))
|
||
(not (member (x-get-resource "cursorBlink" "CursorBlink")
|
||
'("off" "false")))))
|
||
(setq no-blinking-cursor t))
|
||
|
||
;; If frame was created with a menu bar, set menu-bar-mode on.
|
||
(unless (or noninteractive
|
||
emacs-basic-display
|
||
(and (memq window-system '(x w32))
|
||
(<= (frame-parameter nil 'menu-bar-lines) 0)))
|
||
(menu-bar-mode 1))
|
||
|
||
;; If frame was created with a tool bar, switch tool-bar-mode on.
|
||
(unless (or noninteractive
|
||
emacs-basic-display
|
||
(not (display-graphic-p))
|
||
(<= (frame-parameter nil 'tool-bar-lines) 0))
|
||
(tool-bar-mode 1))
|
||
|
||
;; Can't do this init in defcustom because the relevant variables
|
||
;; are not set.
|
||
(custom-reevaluate-setting 'blink-cursor-mode)
|
||
(custom-reevaluate-setting 'normal-erase-is-backspace)
|
||
(custom-reevaluate-setting 'tooltip-mode)
|
||
(custom-reevaluate-setting 'global-font-lock-mode)
|
||
(custom-reevaluate-setting 'mouse-wheel-down-event)
|
||
(custom-reevaluate-setting 'mouse-wheel-up-event)
|
||
(custom-reevaluate-setting 'file-name-shadow-mode)
|
||
(custom-reevaluate-setting 'send-mail-function)
|
||
(custom-reevaluate-setting 'focus-follows-mouse)
|
||
|
||
;; Register default TTY colors for the case the terminal hasn't a
|
||
;; terminal init file.
|
||
(unless (memq window-system '(x w32 mac))
|
||
;; We do this regardles of whether the terminal supports colors
|
||
;; or not, since they can switch that support on or off in
|
||
;; mid-session by setting the tty-color-mode frame parameter.
|
||
(tty-register-default-colors))
|
||
|
||
;; 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
|
||
(and tool-bar-lines
|
||
(cdr tool-bar-lines)
|
||
(not (eq 0 (cdr tool-bar-lines)))))))
|
||
|
||
(let ((old-scalable-fonts-allowed scalable-fonts-allowed)
|
||
(old-font-list-limit font-list-limit)
|
||
(old-face-ignored-fonts face-ignored-fonts))
|
||
|
||
;; 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)
|
||
|
||
;; Warn for invalid user name.
|
||
(when init-file-user
|
||
(if (string-match "[~/:\n]" init-file-user)
|
||
(display-warning 'initialization
|
||
(format "Invalid user name %s"
|
||
init-file-user)
|
||
:error)
|
||
(if (file-directory-p (expand-file-name
|
||
;; We don't support ~USER on MS-Windows except
|
||
;; for the current user, and always load .emacs
|
||
;; from the current user's home directory (see
|
||
;; below). So always check "~", even if invoked
|
||
;; with "-u USER", or if $USER or $LOGNAME are
|
||
;; set to something different.
|
||
(if (eq system-type 'windows-nt)
|
||
"~"
|
||
(concat "~" init-file-user))))
|
||
nil
|
||
(display-warning 'initialization
|
||
(format "User %s has no home directory"
|
||
init-file-user)
|
||
:error))))
|
||
|
||
;; Load that user's init file, or the default one, or none.
|
||
(let (debug-on-error-from-init-file
|
||
debug-on-error-should-be-set
|
||
(debug-on-error-initial
|
||
(if (eq init-file-debug t) 'startup init-file-debug))
|
||
(orig-enable-multibyte default-enable-multibyte-characters))
|
||
(let ((debug-on-error debug-on-error-initial)
|
||
;; This function actually reads the init files.
|
||
(inner
|
||
(function
|
||
(lambda ()
|
||
(if init-file-user
|
||
(let ((user-init-file-1
|
||
(cond
|
||
((eq system-type 'ms-dos)
|
||
(concat "~" init-file-user "/_emacs"))
|
||
((eq system-type 'windows-nt)
|
||
;; Prefer .emacs on Windows.
|
||
(if (directory-files "~" nil "^\\.emacs\\(\\.elc?\\)?$")
|
||
"~/.emacs"
|
||
;; Also support _emacs for compatibility.
|
||
(if (directory-files "~" nil "^_emacs\\(\\.elc?\\)?$")
|
||
"~/_emacs"
|
||
;; But default to .emacs if _emacs does not exist.
|
||
"~/.emacs")))
|
||
((eq system-type 'vax-vms)
|
||
"sys$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)
|
||
|
||
(when (eq user-init-file t)
|
||
;; If we did not find ~/.emacs, try
|
||
;; ~/.emacs.d/init.el.
|
||
(let ((otherfile
|
||
(expand-file-name
|
||
"init"
|
||
(file-name-as-directory
|
||
(concat "~" init-file-user "/.emacs.d")))))
|
||
(load otherfile t t)
|
||
|
||
;; If we did not find the user's init file,
|
||
;; set user-init-file conclusively.
|
||
;; Don't let it be set from default.el.
|
||
(when (eq user-init-file t)
|
||
(setq user-init-file user-init-file-1))))
|
||
|
||
;; 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))))
|
||
|
||
(unless 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 (lambda (s) (prin1-to-string s t)) (cdr error) ", "))
|
||
"\n\n"
|
||
"To ensure normal operation, you should investigate and remove the\n"
|
||
"cause of the error in your initialization file. Start Emacs with\n"
|
||
"the `--debug-init' option to view a complete error backtrace.\n\n"))
|
||
(message "Error in init file: %s%s%s"
|
||
(get (car error) 'error-message)
|
||
(if (cdr error) ": " "")
|
||
(mapconcat 'prin1-to-string (cdr error) ", "))
|
||
(let ((pop-up-windows nil))
|
||
(pop-to-buffer "*Messages*"))
|
||
(setq init-file-had-error t)))))
|
||
|
||
(if (and deactivate-mark transient-mark-mode)
|
||
(with-current-buffer (window-buffer)
|
||
(deactivate-mark)))
|
||
|
||
;; If the user has a file of abbrevs, read it.
|
||
(if (file-exists-p abbrev-file-name)
|
||
(quietly-read-abbrev-file abbrev-file-name))
|
||
|
||
;; If the abbrevs came entirely from the init file or the
|
||
;; abbrevs file, they do not need saving.
|
||
(setq abbrevs-changed nil)
|
||
|
||
;; 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.
|
||
(if (equal user-mail-address "")
|
||
(setq user-mail-address (or (getenv "EMAIL")
|
||
(concat (user-login-name) "@"
|
||
(or mail-host-address
|
||
(system-name))))))
|
||
|
||
;; Originally face attributes were specified via
|
||
;; `font-lock-face-attributes'. Users then changed the default
|
||
;; face attributes by setting that variable. However, we try and
|
||
;; be back-compatible and respect its value if set except for
|
||
;; faces where M-x customize has been used to save changes for the
|
||
;; face.
|
||
(when (boundp 'font-lock-face-attributes)
|
||
(let ((face-attributes font-lock-face-attributes))
|
||
(while face-attributes
|
||
(let* ((face-attribute (pop face-attributes))
|
||
(face (car face-attribute)))
|
||
;; Rustle up a `defface' SPEC from a
|
||
;; `font-lock-face-attributes' entry.
|
||
(unless (get face 'saved-face)
|
||
(let ((foreground (nth 1 face-attribute))
|
||
(background (nth 2 face-attribute))
|
||
(bold-p (nth 3 face-attribute))
|
||
(italic-p (nth 4 face-attribute))
|
||
(underline-p (nth 5 face-attribute))
|
||
face-spec)
|
||
(when foreground
|
||
(setq face-spec (cons ':foreground (cons foreground face-spec))))
|
||
(when background
|
||
(setq face-spec (cons ':background (cons background face-spec))))
|
||
(when bold-p
|
||
(setq face-spec (append '(:weight bold) face-spec)))
|
||
(when italic-p
|
||
(setq face-spec (append '(:slant italic) face-spec)))
|
||
(when underline-p
|
||
(setq face-spec (append '(:underline t) face-spec)))
|
||
(face-spec-set face (list (list t face-spec)) nil)))))))
|
||
|
||
;; If parameter have been changed in the init file which influence
|
||
;; face realization, clear the face cache so that new faces will
|
||
;; be realized.
|
||
(unless (and (eq scalable-fonts-allowed old-scalable-fonts-allowed)
|
||
(eq font-list-limit old-font-list-limit)
|
||
(eq face-ignored-fonts old-face-ignored-fonts))
|
||
(clear-face-cache)))
|
||
|
||
(run-hooks 'after-init-hook)
|
||
|
||
;; Decode all default-directory.
|
||
(if (and default-enable-multibyte-characters locale-coding-system)
|
||
(save-excursion
|
||
(dolist (elt (buffer-list))
|
||
(set-buffer elt)
|
||
(if default-directory
|
||
(setq default-directory
|
||
(decode-coding-string default-directory
|
||
locale-coding-system t))))
|
||
(setq command-line-default-directory
|
||
(decode-coding-string command-line-default-directory
|
||
locale-coding-system t))))
|
||
|
||
;; If *scratch* exists and init file didn't change its mode, initialize it.
|
||
(if (get-buffer "*scratch*")
|
||
(with-current-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.
|
||
(unless (or noninteractive
|
||
window-system
|
||
(null term-file-prefix))
|
||
(let* ((TERM (getenv "TERM"))
|
||
(term TERM)
|
||
hyphend)
|
||
(while (and term
|
||
(not (load (concat term-file-prefix term) t t)))
|
||
;; Strip off last hyphen and what follows, then try again
|
||
(setq term
|
||
(if (setq hyphend (string-match "[-_][^-_]+\\'" term))
|
||
(substring term 0 hyphend)
|
||
nil)))
|
||
(setq term TERM)
|
||
;; The terminal file has been loaded, now call the terminal specific
|
||
;; initialization function.
|
||
(while term
|
||
(let ((term-init-func (intern-soft (concat "terminal-init-" term))))
|
||
(if (not (fboundp term-init-func))
|
||
;; Strip off last hyphen and what follows, then try again
|
||
(setq term
|
||
(if (setq hyphend (string-match "[-_][^-_]+\\'" term))
|
||
(substring term 0 hyphend)
|
||
nil))
|
||
(setq term nil)
|
||
(funcall term-init-func))))))
|
||
|
||
;; Update the out-of-memory error message based on user's key bindings
|
||
;; for save-some-buffers.
|
||
(setq memory-signal-data
|
||
(list 'error
|
||
(substitute-command-keys "Memory exhausted--use \\[save-some-buffers] then exit and restart Emacs")))
|
||
|
||
;; Process the remaining args.
|
||
(command-line-1 (cdr command-line-args))
|
||
|
||
;; If -batch, terminate after processing the command options.
|
||
(if noninteractive (kill-emacs t))
|
||
|
||
;; Run emacs-session-restore (session management) if started by
|
||
;; the session manager and we have a session manager connection.
|
||
(if (and (boundp 'x-session-previous-id)
|
||
(stringp x-session-previous-id))
|
||
(with-no-warnings
|
||
(emacs-session-restore x-session-previous-id))))
|
||
|
||
(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.
|
||
If `inhibit-splash-screen' is non-nil, then no message is displayed,
|
||
regardless of the value of this variable."
|
||
:type '(choice (text :tag "Message")
|
||
(const :tag "none" nil))
|
||
:group 'initialization)
|
||
|
||
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
;;; Fancy splash screen
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
|
||
(defvar fancy-splash-text
|
||
'((:face (variable-pitch :weight bold)
|
||
"Important Help menu items:\n"
|
||
:face variable-pitch
|
||
(lambda ()
|
||
(let* ((en "TUTORIAL")
|
||
(tut (or (get-language-info current-language-environment
|
||
'tutorial)
|
||
en))
|
||
(title (with-temp-buffer
|
||
(insert-file-contents
|
||
(expand-file-name tut data-directory)
|
||
nil 0 256)
|
||
(search-forward ".")
|
||
(buffer-substring (point-min) (1- (point))))))
|
||
;; If there is a specific tutorial for the current language
|
||
;; environment and it is not English, append its title.
|
||
(concat
|
||
"Emacs Tutorial\tLearn how to use Emacs efficiently"
|
||
(if (string= en tut)
|
||
""
|
||
(concat " (" title ")"))
|
||
"\n")))
|
||
:face variable-pitch "\
|
||
Emacs FAQ\tFrequently asked questions and answers
|
||
View Emacs Manual\tView the Emacs manual using Info
|
||
Absence of 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
|
||
Getting New Versions\tHow to obtain the latest version of Emacs
|
||
More Manuals / Ordering Manuals Buying printed manuals from the FSF\n")
|
||
(:face (variable-pitch :weight bold)
|
||
"Useful File menu items:\n"
|
||
:face variable-pitch
|
||
"Exit Emacs\t\t(Or type "
|
||
:face default
|
||
"Control-x"
|
||
:face variable-pitch
|
||
" followed by "
|
||
:face default
|
||
"Control-c"
|
||
:face variable-pitch
|
||
")
|
||
Recover Crashed 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 7
|
||
"*Delay in seconds between splash screens."
|
||
:group 'fancy-splash-screen
|
||
:type 'integer)
|
||
|
||
|
||
(defcustom fancy-splash-max-time 30
|
||
"*Show splash screens for at most this number of seconds.
|
||
Values less than twice `fancy-splash-delay' 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)
|
||
(defvar fancy-splash-outer-buffer nil)
|
||
|
||
(defun fancy-splash-insert (&rest args)
|
||
"Insert text into the current buffer, with faces.
|
||
Arguments from ARGS should be either strings, functions called
|
||
with no args that return a string, or pairs `:face FACE',
|
||
where FACE is a valid face specification, as it can be used with
|
||
`put-text-property'."
|
||
(let ((current-face nil))
|
||
(while args
|
||
(if (eq (car args) :face)
|
||
(setq args (cdr args) current-face (car args))
|
||
(insert (propertize (let ((it (car args)))
|
||
(if (functionp it)
|
||
(funcall it)
|
||
it))
|
||
'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* ((image-file (cond ((stringp fancy-splash-image)
|
||
fancy-splash-image)
|
||
((and (display-color-p)
|
||
(image-type-available-p 'xpm))
|
||
(if (and (fboundp 'x-display-planes)
|
||
(= (funcall 'x-display-planes) 8))
|
||
"splash8.xpm"
|
||
"splash.xpm"))
|
||
(t "splash.pbm")))
|
||
(img (create-image image-file))
|
||
(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.
|
||
(insert (propertize " " 'display
|
||
`(space :align-to (+ center (-0.5 . ,img)))))
|
||
|
||
;; Change the color of the XPM version of the splash image
|
||
;; so that it is visible with a dark frame background.
|
||
(when (and (memq 'xpm img)
|
||
(eq (frame-parameter nil 'background-mode) 'dark))
|
||
(setq img (append img '(:color-symbols (("#000000" . "gray30"))))))
|
||
|
||
;; 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"))))
|
||
(fancy-splash-insert
|
||
:face '(variable-pitch :foreground "red")
|
||
(if (eq system-type 'gnu/linux)
|
||
"GNU Emacs is one component of the GNU/Linux operating system."
|
||
"GNU Emacs is one component of the GNU operating system."))
|
||
(insert "\n")
|
||
(fancy-splash-insert
|
||
:face 'variable-pitch
|
||
"You can do basic editing with the menu bar and scroll bar \
|
||
using the mouse.\n\n")
|
||
(when fancy-splash-outer-buffer
|
||
(fancy-splash-insert
|
||
:face 'variable-pitch
|
||
"Type "
|
||
:face 'default
|
||
(substitute-command-keys
|
||
"\\[recenter]")
|
||
:face 'variable-pitch
|
||
" to begin editing"
|
||
(if (equal (buffer-name fancy-splash-outer-buffer)
|
||
"*scratch*")
|
||
".\n"
|
||
" your file.\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) 2006 Free Software Foundation, Inc.")
|
||
(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)
|
||
(fancy-splash-insert :face '(variable-pitch :foreground "red")
|
||
"\n\nIf an Emacs session crashed recently, "
|
||
"type "
|
||
:face '(fixed-pitch :foreground "red")
|
||
"Meta-x recover-session RET"
|
||
:face '(variable-pitch :foreground "red")
|
||
"\nto recover"
|
||
" the files you were editing."))))
|
||
|
||
(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)
|
||
(if pure-space-overflow
|
||
(insert "\
|
||
Warning Warning!!! Pure space overflow !!!Warning Warning
|
||
\(See the node Pure Storage in the Lisp manual for details.)\n"))
|
||
(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 ()
|
||
"Stop displaying the splash screen buffer.
|
||
This is an internal function used to turn off the splash screen after
|
||
the user caused an input event by hitting a key or clicking with the
|
||
mouse."
|
||
(interactive)
|
||
(if (and (memq 'down (event-modifiers last-command-event))
|
||
(eq (posn-window (event-start last-command-event))
|
||
(selected-window)))
|
||
;; This is a mouse-down event in the spash screen window.
|
||
;; Ignore it and consume the corresponding mouse-up event.
|
||
(read-event)
|
||
(push last-command-event unread-command-events))
|
||
(throw 'exit nil))
|
||
|
||
|
||
(defun fancy-splash-screens (&optional hide-on-input)
|
||
"Display fancy splash screens when Emacs starts."
|
||
(if hide-on-input
|
||
(let ((old-hourglass display-hourglass)
|
||
(fancy-splash-outer-buffer (current-buffer))
|
||
splash-buffer
|
||
(old-minor-mode-map-alist minor-mode-map-alist)
|
||
(old-emulation-mode-map-alists emulation-mode-map-alists)
|
||
(frame (fancy-splash-frame))
|
||
timer)
|
||
(save-selected-window
|
||
(select-frame frame)
|
||
(switch-to-buffer " GNU Emacs")
|
||
(setq splash-buffer (current-buffer))
|
||
(catch 'stop-splashing
|
||
(unwind-protect
|
||
(let ((map (make-sparse-keymap))
|
||
(cursor-type nil))
|
||
(use-local-map map)
|
||
(define-key map [switch-frame] 'ignore)
|
||
(define-key map [t] 'fancy-splash-default-action)
|
||
(define-key map [mouse-movement] 'ignore)
|
||
(define-key map [mode-line t] 'ignore)
|
||
(setq display-hourglass nil
|
||
minor-mode-map-alist nil
|
||
emulation-mode-map-alists nil
|
||
buffer-undo-list t
|
||
mode-line-format (propertize "---- %b %-"
|
||
'face 'mode-line-buffer-id)
|
||
fancy-splash-stop-time (+ (float-time)
|
||
fancy-splash-max-time)
|
||
timer (run-with-timer 0 fancy-splash-delay
|
||
#'fancy-splash-screens-1
|
||
splash-buffer))
|
||
(message "%s" (startup-echo-area-message))
|
||
(recursive-edit))
|
||
(cancel-timer timer)
|
||
(setq display-hourglass old-hourglass
|
||
minor-mode-map-alist old-minor-mode-map-alist
|
||
emulation-mode-map-alists old-emulation-mode-map-alists)
|
||
(kill-buffer splash-buffer)))))
|
||
;; If hide-on-input is nil, don't hide the buffer on input.
|
||
(if (or (window-minibuffer-p)
|
||
(window-dedicated-p (selected-window)))
|
||
(pop-to-buffer (current-buffer))
|
||
(switch-to-buffer "*About GNU Emacs*"))
|
||
(setq buffer-read-only nil)
|
||
(erase-buffer)
|
||
(if pure-space-overflow
|
||
(insert "\
|
||
Warning Warning!!! Pure space overflow !!!Warning Warning
|
||
\(See the node Pure Storage in the Lisp manual for details.)\n"))
|
||
(let (fancy-splash-outer-buffer)
|
||
(fancy-splash-head)
|
||
(dolist (text fancy-splash-text)
|
||
(apply #'fancy-splash-insert text)
|
||
(insert "\n"))
|
||
(skip-chars-backward "\n")
|
||
(delete-region (point) (point-max))
|
||
(insert "\n")
|
||
(fancy-splash-tail)
|
||
(set-buffer-modified-p nil)
|
||
(setq buffer-read-only t)
|
||
(if (and view-read-only (not view-mode))
|
||
(view-mode-enter nil 'kill-buffer))
|
||
(goto-char (point-min)))))
|
||
|
||
(defun fancy-splash-frame ()
|
||
"Return the frame to use for the fancy splash screen.
|
||
Returning non-nil does not mean we should necessarily
|
||
use the fancy splash screen, but if we do use it,
|
||
we put it on this frame."
|
||
(let (chosen-frame)
|
||
(dolist (frame (append (frame-list) (list (selected-frame))))
|
||
(if (and (frame-visible-p frame)
|
||
(not (window-minibuffer-p (frame-selected-window frame))))
|
||
(setq chosen-frame frame)))
|
||
chosen-frame))
|
||
|
||
(defun use-fancy-splash-screens-p ()
|
||
"Return t if fancy splash screens should be used."
|
||
(when (and (display-graphic-p)
|
||
(or (and (display-color-p)
|
||
(image-type-available-p 'xpm))
|
||
(image-type-available-p 'pbm)))
|
||
(let ((frame (fancy-splash-frame)))
|
||
(when frame
|
||
(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 nil frame))))
|
||
;; We test frame-height so that, if the frame is split
|
||
;; by displaying a warning, that doesn't cause the normal
|
||
;; splash screen to be used.
|
||
(frame-height (1- (frame-height frame))))
|
||
(> frame-height (+ image-height 19)))))))
|
||
|
||
|
||
(defun normal-splash-screen (&optional hide-on-input)
|
||
"Display splash screen when Emacs starts."
|
||
(let ((prev-buffer (current-buffer)))
|
||
(unwind-protect
|
||
(with-current-buffer (get-buffer-create "GNU Emacs")
|
||
(setq buffer-read-only nil)
|
||
(erase-buffer)
|
||
(set (make-local-variable 'tab-width) 8)
|
||
(if hide-on-input
|
||
(set (make-local-variable 'mode-line-format)
|
||
(propertize "---- %b %-" 'face 'mode-line-buffer-id)))
|
||
|
||
(if pure-space-overflow
|
||
(insert "\
|
||
Warning Warning!!! Pure space overflow !!!Warning Warning
|
||
\(See the node Pure Storage in the Lisp manual for details.)\n"))
|
||
|
||
;; 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")
|
||
(insert
|
||
(if (eq system-type 'gnu/linux)
|
||
", one component of the GNU/Linux operating system.\n"
|
||
", a part of the GNU operating system.\n"))
|
||
|
||
(if hide-on-input
|
||
(insert (substitute-command-keys
|
||
(concat
|
||
"\nType \\[recenter] to begin editing"
|
||
(if (equal (buffer-name prev-buffer) "*scratch*")
|
||
".\n"
|
||
" your file.\n")))))
|
||
|
||
(if (display-mouse-p)
|
||
;; The user can use the mouse to activate menus
|
||
;; so give help in terms of menu items.
|
||
(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 Crashed Session Recover files you were editing before a crash
|
||
|
||
Important Help menu items:
|
||
Emacs Tutorial Learn how to use Emacs efficiently
|
||
Emacs FAQ Frequently asked questions and answers
|
||
Read the Emacs Manual View the Emacs manual using Info
|
||
\(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
|
||
More Manuals / Ordering Manuals How to order printed manuals from the FSF
|
||
")
|
||
(insert "\n\n" (emacs-version)
|
||
"
|
||
Copyright (C) 2006 Free Software Foundation, Inc."))
|
||
|
||
;; No mouse menus, so give help using kbd commands.
|
||
|
||
;; 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-hr") 'info-emacs-manual)
|
||
(eq (key-binding "\C-h\C-n") 'view-emacs-news))
|
||
(insert "
|
||
Get help C-h (Hold down CTRL and press h)
|
||
Emacs manual C-h r
|
||
Emacs tutorial C-h t Undo changes C-x u
|
||
Buy manuals C-h C-m Exit Emacs C-x C-c
|
||
Browse manuals C-h i")
|
||
|
||
(insert (substitute-command-keys
|
||
(format "\n
|
||
Get help %s
|
||
Emacs manual \\[info-emacs-manual]
|
||
Emacs tutorial \\[help-with-tutorial]\tUndo changes\t\\[advertised-undo]
|
||
Buy manuals \\[view-order-manuals]\tExit Emacs\t\\[save-buffers-kill-emacs]
|
||
Browse manuals \\[info]"
|
||
(let ((where (where-is-internal
|
||
'help-command nil t)))
|
||
(if where
|
||
(key-description where)
|
||
"M-x help"))))))
|
||
|
||
;; Say how to use the menu bar with the keyboard.
|
||
(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]")))
|
||
|
||
;; 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.)")
|
||
|
||
(insert "\n\n" (emacs-version)
|
||
"
|
||
Copyright (C) 2006 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."))))
|
||
|
||
;; The rest of the startup screen is the same on all
|
||
;; kinds of terminals.
|
||
|
||
;; Give information on recovering, if there was a crash.
|
||
(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 Meta-x recover-session RET\nto recover"
|
||
" the files you were editing."))
|
||
|
||
;; Display the input that we set up in the buffer.
|
||
(set-buffer-modified-p nil)
|
||
(setq buffer-read-only t)
|
||
(if (and view-read-only (not view-mode))
|
||
(view-mode-enter nil 'kill-buffer))
|
||
(goto-char (point-min))
|
||
(if hide-on-input
|
||
(if (or (window-minibuffer-p)
|
||
(window-dedicated-p (selected-window)))
|
||
;; If hide-on-input is nil, creating a new frame will
|
||
;; generate enough events that the subsequent `sit-for'
|
||
;; will immediately return anyway.
|
||
nil ;; (pop-to-buffer (current-buffer))
|
||
(save-window-excursion
|
||
(switch-to-buffer (current-buffer))
|
||
(sit-for 120)))
|
||
(condition-case nil
|
||
(switch-to-buffer (current-buffer))
|
||
;; In case the window is dedicated or something.
|
||
(error (pop-to-buffer (current-buffer))))))
|
||
;; Unwind ... ensure splash buffer is killed
|
||
(if hide-on-input
|
||
(kill-buffer "GNU Emacs")
|
||
(switch-to-buffer "GNU Emacs")
|
||
(rename-buffer "*About GNU Emacs*" t)))))
|
||
|
||
|
||
(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 "%s" (startup-echo-area-message))))
|
||
|
||
|
||
(defun display-splash-screen (&optional hide-on-input)
|
||
"Display splash screen according to display.
|
||
Fancy splash screens are used on graphic displays,
|
||
normal otherwise.
|
||
With a prefix argument, any user input hides the splash screen."
|
||
(interactive "P")
|
||
(if (use-fancy-splash-screens-p)
|
||
(fancy-splash-screens hide-on-input)
|
||
(normal-splash-screen hide-on-input)))
|
||
|
||
|
||
(defun command-line-1 (command-line-args-left)
|
||
(or noninteractive (input-pending-p) init-file-had-error
|
||
;; t if the init file says to inhibit the echo area startup message.
|
||
(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 (equal 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 (equal init-file-user "")
|
||
(user-login-name)
|
||
init-file-user)))
|
||
"[ \t\n]*)")
|
||
nil t))
|
||
(error nil))
|
||
(kill-buffer buffer)))))
|
||
;; display-splash-screen at the end of command-line-1 calls
|
||
;; use-fancy-splash-screens-p. This can cause image.el to be
|
||
;; loaded, putting "Loading image... done" in the echo area.
|
||
;; This hides startup-echo-area-message. So
|
||
;; use-fancy-splash-screens-p is called here simply to get the
|
||
;; loading of image.el (if needed) out of the way before
|
||
;; display-startup-echo-area-message runs.
|
||
(progn
|
||
(use-fancy-splash-screens-p)
|
||
(display-startup-echo-area-message)))
|
||
|
||
;; Delay 2 seconds after an init file error message
|
||
;; was displayed, so user can read it.
|
||
(when init-file-had-error
|
||
(sit-for 2))
|
||
|
||
(when (and pure-space-overflow
|
||
(not noninteractive))
|
||
(display-warning
|
||
'initialization
|
||
"Building Emacs overflowed pure space. (See the node Pure Storage in the Lisp manual for details.)"
|
||
:warning))
|
||
|
||
(when command-line-args-left
|
||
;; We have command args; process them.
|
||
(let ((dir command-line-default-directory)
|
||
(file-count 0)
|
||
first-file-buffer
|
||
tem
|
||
;; This approach loses for "-batch -L DIR --eval "(require foo)",
|
||
;; if foo is intended to be found in DIR.
|
||
;;
|
||
;; ;; The directories listed in --directory/-L options will *appear*
|
||
;; ;; at the front of `load-path' in the order they appear on the
|
||
;; ;; command-line. We cannot do this by *placing* them at the front
|
||
;; ;; in the order they appear, so we need this variable to hold them,
|
||
;; ;; temporarily.
|
||
;; extra-load-path
|
||
;;
|
||
;; To DTRT we keep track of the splice point and modify `load-path'
|
||
;; straight away upon any --directory/-L option.
|
||
splice
|
||
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") ("--no-splash")
|
||
("--find-file") ("--visit") ("--file") ("--no-desktop"))
|
||
(mapcar (lambda (elt)
|
||
(list (concat "-" (car elt))))
|
||
command-switch-alist)))
|
||
(line 0)
|
||
(column 0))
|
||
|
||
;; Add the long X options to longopts.
|
||
(dolist (tem command-line-x-option-alist)
|
||
(if (string-match "^--" (car tem))
|
||
(push (list (car tem)) longopts)))
|
||
|
||
;; Loop, processing options.
|
||
(while command-line-args-left
|
||
(let* ((argi (car command-line-args-left))
|
||
(orig-argi argi)
|
||
argval completion)
|
||
(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.
|
||
(when (string-match "^\\(--[^=]*\\)=" argi)
|
||
(setq argval (substring argi (match-end 0))
|
||
argi (match-string 1 argi)))
|
||
(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)))
|
||
|
||
((equal argi "-no-splash")
|
||
(setq inhibit-startup-message t))
|
||
|
||
((member argi '("-f" ; what the manual claims
|
||
"-funcall"
|
||
"-e")) ; what the source used to say
|
||
(setq tem (intern (or argval (pop command-line-args-left))))
|
||
(if (commandp tem)
|
||
(command-execute tem)
|
||
(funcall tem)))
|
||
|
||
((member argi '("-eval" "-execute"))
|
||
(eval (read (or argval (pop command-line-args-left)))))
|
||
|
||
((member argi '("-L" "-directory"))
|
||
(setq tem (expand-file-name
|
||
(command-line-normalize-file-name
|
||
(or argval (pop command-line-args-left)))))
|
||
(cond (splice (setcdr splice (cons tem (cdr splice)))
|
||
(setq splice (cdr splice)))
|
||
(t (setq load-path (cons tem load-path)
|
||
splice load-path))))
|
||
|
||
((member argi '("-l" "-load"))
|
||
(let* ((file (command-line-normalize-file-name
|
||
(or argval (pop command-line-args-left))))
|
||
;; Take file from default dir if it exists there;
|
||
;; otherwise let `load' search for it.
|
||
(file-ex (expand-file-name file)))
|
||
(when (file-exists-p file-ex)
|
||
(setq file file-ex))
|
||
(load file nil t)))
|
||
|
||
;; This is used to handle -script. It's not clear
|
||
;; we need to document it.
|
||
((member argi '("-scriptload"))
|
||
(let* ((file (command-line-normalize-file-name
|
||
(or argval (pop command-line-args-left))))
|
||
;; Take file from default dir.
|
||
(file-ex (expand-file-name file)))
|
||
(load file-ex nil t t)))
|
||
|
||
((equal argi "-insert")
|
||
(setq tem (or argval (pop command-line-args-left)))
|
||
(or (stringp tem)
|
||
(error "File name omitted from `-insert' option"))
|
||
(insert-file-contents (command-line-normalize-file-name tem)))
|
||
|
||
((equal argi "-kill")
|
||
(kill-emacs t))
|
||
|
||
;; This is for when they use --no-desktop with -q, or
|
||
;; don't load Desktop in their .emacs. If desktop.el
|
||
;; _is_ loaded, it will handle this switch, and we
|
||
;; won't see it by the time we get here.
|
||
((equal argi "-no-desktop")
|
||
(message "\"--no-desktop\" ignored because the Desktop package is not loaded"))
|
||
|
||
((string-match "^\\+[0-9]+\\'" argi)
|
||
(setq line (string-to-number argi)))
|
||
|
||
((string-match "^\\+\\([0-9]+\\):\\([0-9]+\\)\\'" argi)
|
||
(setq line (string-to-number (match-string 1 argi))
|
||
column (string-to-number (match-string 2 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)))
|
||
|
||
((member argi '("-find-file" "-file" "-visit"))
|
||
;; An explicit option to specify visiting a file.
|
||
(setq tem (or argval (pop 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)
|
||
(unless (< column 1)
|
||
(move-to-column (1- column)))
|
||
(setq column 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)
|
||
;; 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)
|
||
(unless (< column 1)
|
||
(move-to-column (1- column)))
|
||
(setq column 0))))))
|
||
;; In unusual circumstances, the execution of Lisp code due
|
||
;; to command-line options can cause the last visible frame
|
||
;; to be deleted. In this case, kill emacs to avoid an
|
||
;; abort later.
|
||
(unless (frame-live-p (selected-frame)) (kill-emacs nil))))
|
||
|
||
;; If 3 or more files visited, and not all visible,
|
||
;; show user what they all are. But leave the last one current.
|
||
(and (> file-count 2)
|
||
(not noninteractive)
|
||
(not inhibit-startup-buffer-menu)
|
||
(or (get-buffer-window first-file-buffer)
|
||
(list-buffers)))))
|
||
|
||
;; Maybe display a startup screen.
|
||
(unless (or inhibit-startup-message
|
||
noninteractive
|
||
emacs-quick-startup)
|
||
;; Display a startup screen, after some preparations.
|
||
|
||
;; 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.
|
||
(run-hooks 'emacs-startup-hook)
|
||
(and term-setup-hook
|
||
(run-hooks 'term-setup-hook))
|
||
(setq inhibit-startup-hooks t)
|
||
|
||
;; 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))
|
||
|
||
;; 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.
|
||
(when window-setup-hook
|
||
(run-hooks 'window-setup-hook)
|
||
;; Don't let the hook be run twice.
|
||
(setq window-setup-hook nil))
|
||
|
||
;; Do this now to avoid an annoying delay if the user
|
||
;; clicks the menu bar during the sit-for.
|
||
(when (display-popup-menus-p)
|
||
(precompute-menubar-bindings))
|
||
(with-no-warnings
|
||
(setq menubar-bindings-done t))
|
||
|
||
;; If *scratch* is selected and it is empty, insert an
|
||
;; initial message saying not to create a file there.
|
||
(when (and initial-scratch-message
|
||
(equal (buffer-name) "*scratch*")
|
||
(= 0 (buffer-size)))
|
||
(insert initial-scratch-message)
|
||
(set-buffer-modified-p nil))
|
||
|
||
;; If user typed input during all that work,
|
||
;; abort the startup screen. Otherwise, display it now.
|
||
(unless (input-pending-p)
|
||
(display-splash-screen t))))
|
||
|
||
|
||
(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))
|
||
|
||
;; arch-tag: 7e294698-244d-4758-984b-4047f887a5db
|
||
;;; startup.el ends here
|