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;;; -*- mode: emacs-lisp; coding: utf-8 -*-
;;;
;;; Emacs configuration file
;;;
;;; (c) 1996-1999 Mark Wooding
;;;

;;;----- Licensing notice ---------------------------------------------------
;;;
;;; This program is free software; you can redistribute it and/or modify
;;; it under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 2 of the License, or
;;; (at your option) any later version.
;;;
;;; This program is distributed in the hope that it will be useful,
;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with this program; if not, write to the Free Software
;;; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA

(let ((path "~/lib/emacs/")
      (pkgs (list "bbdb/" "multiple-cursors/" "rust-mode/"))
      pkg)
  (setq load-path (nconc load-path (list path)))
  (while (setq pkg (pop pkgs))
    (let ((dir (concat path pkg)))
      (if (file-exists-p dir)
	  (setq load-path (nconc load-path (list dir))))))
  (let ((boot (concat path "mdw-pkgs.el")))
    (if (file-exists-p boot)
	(load boot))))

(require 'cl)
(require 'dot-emacs)

(unless (mdw-emacs-version-p 25)
  (trap (require 'bracketed-paste) (bracketed-paste-enable)))

;;;--------------------------------------------------------------------------
;;; Some random initialisation.

(setq mdw-init-window (selected-window))

;; Load some other bits of code.

;; Magic to make ELPA packages work.
(trap
(package-initialize)
)

(maybe-autoload 'cc-mode "cc-mode" nil t)
(maybe-autoload 'rexx-mode "rexx-mode" nil t)
(maybe-autoload 'cvs-update "pcl-cvs" nil t)
(maybe-autoload 'debian-changelog-mode "debian-changelog-mode" nil t)
(maybe-autoload 'git-status "git" nil t)
(maybe-autoload 'git-blame-mode "git-blame" nil t)
(maybe-autoload 'stgit "stgit" nil t)
(maybe-autoload 'nc-timesheet-prepare "nc-timesheet" nil t nil)
(maybe-autoload 'nc-timesheet-submit "nc-timesheet" nil t nil)
(maybe-autoload 'org-bbdb-anniversaries "org" nil t)

(and (library-exists-p "debian-changelog-mode")
     (add-to-list 'auto-mode-alist
		  `(,(concat "/debian/"
			       "\\("
				 "[" "[:lower:]" "[:digit:]" "]"
				 "[" "[:lower:]" "[:digit:]" ".+-" "]+"
				 "\\."
			       "\\)?"
			       "changelog\\'")
		    . debian-changelog-mode)))

(and (library-exists-p "vc-git")
     (not (memq 'GIT vc-handled-backends))
     (not (memq 'Git vc-handled-backends))
     (not (memq 'git vc-handled-backends))
     (setq vc-handled-backends (cons 'GIT vc-handled-backends)))

(setq magit-log-cutoff-length 512
      magit-log-section-arguments '("-n256" "--decorate" "--graph"))
(defun mdw-magit-try-load-config-extensions ()
  (trap (magit-load-config-extensions)))
(add-hook 'magit-mode-hook 'mdw-magit-try-load-config-extensions)

(trap (or mdw-fast-startup (require 'p4)))

(trap (or mdw-fast-startup (require 'tex-site)))

(trap (or mdw-fast-startup t (semantic-load-enable-code-helpers)))
(setq semanticdb-default-save-directory "~/.emacs.d/semanticdb/")
(eval-after-load "senator"
  '(setq isearch-mode-hook
	   (remq 'senator-isearch-mode-hook isearch-mode-hook)
	 isearch-mode-end-hook
	   (remq 'senator-isearch-mode-hook isearch-mode-end-hook)))

;; Skeleton stuff.

(trap (or mdw-fast-startup (require 'skel-init)))

;; Window system-dependent things.

(require 'paren)
(trap (show-paren-mode t))
(or window-system (mdw-emacs-version-p 22) (menu-bar-mode -1))
(setq x-select-enable-clipboard nil
      x-select-enable-primary t
      mouse-drag-copy-region t)

;; Multiple cursors.

(global-set-key [?\C-c ?r] 'mdw-multiple-cursors-keymap)
(autoload 'mdw-multiple-cursors-keymap "mdw-multiple-cursors.el"
  "A keymap for Magnar Sveen's awesome multiple-cursors." nil 'keymap)

;; Rust mode.

(autoload 'rust-mode "rust-mode" nil t)
(add-to-list 'auto-mode-alist '("\\.rs\\'" . rust-mode))

;; Temporary directory handling.

(defun mdw-check-dir-exists (dir)
  (and dir
       (file-directory-p dir)
       dir))
(setq tmpdir (or (mdw-check-dir-exists (getenv "TMPDIR"))
		 (mdw-check-dir-exists (format "/tmp/%s" (user-login-name)))
		 "/tmp"))

;; Emacs server behaviour.

(and (or window-system (mdw-emacs-version-p 23))
     (not mdw-fast-startup)
     (not (and (fboundp 'daemonp) (daemonp)))
     (progn (setq server-temp-file-regexp (concat "^" tmpdir "\\|/draft$")
		  edit-server-new-frame nil
		  gnuserv-frame t)
	    (trap (let ((warning-suppress-types
			 (cons '(server)
			       (and (boundp 'warning-suppress-types)
				    warning-suppress-types))))
		    (server-start)))
	    (trap (progn
		    (require 'edit-server)
		    (edit-server-start)
		    (let ((edit (get-process "edit-server")))
		      (and edit
			   (set-process-query-on-exit-flag edit nil)))))))

;; Saving state.

(or mdw-fast-startup (savehist-mode 1))
(setq history-length 200)

;; Control backup behaviour.

(setq backup-by-copying nil)
(setq backup-by-copying-when-linked t)
(setq backup-by-copying-when-mismatch t)

(setq mdw-backup-disable-regexps
	'("/\\.git/COMMIT_EDITMSG$"
	  "/\\.stgit\\(-edit\\.txt\\|msg\\.txt\\|\\.msg\\)$"
	  "^/tmp/" "^/var/tmp/"))

;; Safe variables.

(setq safe-local-variable-values
	'((make-backup-files . nil)))

;; Calculator fiddling.

(setq calc-settings-file "~/.emacs-calc")
(load calc-settings-file)

;; Saving window-configuration state.

(or mdw-fast-startup
    (winner-mode 1))

;; Some mail and news configuration.

(setq mail-from-style 'angles
      mail-signature t
      mail-yank-prefix "> "
      mail-archive-file-name nil
      message-default-mail-headers
	"X-Auto-Response-Suppress: DR, RN, NRN, OOF\n"
      message-default-news-headers ""
      compose-mail-user-agent-warnings nil)

(setq rmail-display-summary t)
(setq rmail-file-name "~/Mail/rmail")

(setq sendmail-program "~/bin/sendmail-hack"
      send-mail-function 'sendmail-send-it
      mail-interactive t
      mail-specify-envelope-from t
      mail-envelope-from 'header
      sendmail-error-reporting-interactive '("-odb" "-oee"))
(autoload 'sendmail-send-it "sendmail")
(autoload 'smtpmail-send-it "smtpmail")

(setq mail-user-agent 'message-user-agent
      read-mail-command 'gnus)
(setq message-signature-separator "^-- \\(\\[mdw\\]\\)?$"
      message-yank-prefix "> "
      message-yank-cited-prefix "> "
      message-send-mail-function 'message-send-mail-with-sendmail
      message-interactive t
      message-sendmail-extra-arguments '("-odb" "-oee")
      message-sendmail-envelope-from 'header
      message-indent-citation-function '(message-indent-citation
					 mdw-trim-spaces-after-citing))

(defun mdw-trim-spaces-after-citing ()
  (save-excursion
    (save-restriction
      (narrow-to-region (point) (mark t))
      (while (re-search-forward "^> +$" nil t)
	(replace-match ">")))))

(and (fboundp 'turn-on-gnus-dired-mode)
     (not mdw-fast-startup)
     (add-hook 'dired-mode-hook 'turn-on-gnus-dired-mode))

(or mdw-fast-startup
    (trap (bbdb-initialize 'gnus 'sendmail 'message)))
(setq bbdb-file "~/etc/brain/bbdb"
      bbdb-north-american-phone-numbers-p nil
      bbdb-dwim-net-address-allow-redundancy t
      bbdb-extract-address-components-func 'bbdb-extract-address-components
      bbdb-allow-duplicates t
      bbdb/news-auto-create-p
	(lambda ()
	  (let ((group gnus-newsgroup-name))
	    (and (string-match "^nn\\(imap\\|folder\\)\\+" group)
		 (not (string-match (concat ":" "\\(" "\\(" "crap"
						      "\\|" "spam"
						      "\\|" "lists"
						      "\\|" "corpus"
						      "\\)" "\\."
						"\\|" "Junk Email$"
						"\\)")
				    group)))))
      bbdb-user-mail-names
	(concat "^"
		"\\(" "\\(mdw\\|markw\\|root\\|postmaster\\)"
		      "\\([-+][^@]*\\)?"
		      "@\\(\\(dist\\|esc\\)orted\\.org\\.uk\\|odin\\.gg\\)"
		"\\|" "\\(" "\\(mdw\\|mwooding\\)"
			    "\\(\\+[^@]*\\)?"
		      "\\|" "0" "\\(mdw\\|mwooding\\)" "k\\.[^@]*"
		      "\\)" "@"
		      "\\(chiark\\|slimy\\|coriolis\\)\\.greenend\\.org\\.uk"
		"\\|" "distorted\\.mdw@g\\(oogle\\)?mail.com"
		"\\|" "mwooding@\\(good\\|blackberry\\)\\.com"
		"\\|" "mark\\.wooding@trustonic\\.com"
		"\\)$")
      bbdb-canonicalize-net-hook
	(lambda (addr)
	  (cond ((null addr)
		 nil)
		((or (string-match "^mailer-daemon@" addr)
		     (string-match "\.invalid$" addr)
		     (string-match (concat "^reply-[0-9a-f]+-[0-9a-f]+_"
					   "HTML-[0-9]+-[0-9]+-[0-9]+"
					   "@\\(nationwide-communications\\."
					   "co\\.uk\\)$")
				   addr)
		     (string-match (concat "^[0-9]+@bugs\\."
					   "\\(" "debian\\.org"
					   "\\|" "distorted\\.org\\.uk"
					   "\\)$")
				   addr)
		     (string-match (concat "^MicrosoftExchange[0-9a-f]*"
					   "@newincco\\.onmicrosoft\\.com")
				   addr)
		     (member (md5 addr)
			     '("8815c5583970856799c85a3ee0eb6a9f" ;work wiki spam
			       "0b94ab4d25dacaa5ac07243a09c9e22e" ;work bug spam
			       "35fb1633379a1e4d4be3b139cae20111" ;work crucible spam
			       ))
		     (and (string-match "^news\\([0-9]+\\)@\\(.*\\)$" addr)
			  (string= (md5 (match-string 2 addr))
				   "879b795aed959b1a000e9f95c132b16c")))
		 nil)
		((string-match "^\\([^@+]+\\)\\+[^@]*\\(@.*\\)$" addr)
		 (concat (match-string 1 addr) (match-string 2 addr)))
		(t addr))))

;; Customization.

(setq custom-file "~/.emacs-custom")
(trap (load custom-file))

(trap (load "~/.emacs-local"))

;; Internationalization twiddling.

(trap
  ;; Have top-bit-set characters work properly in terminals.
  (let ((im (current-input-mode)))
    (apply #'set-input-mode
	   (nconc (list (nth 0 im) (nth 1 im) 0) (nthcdr 3 im)))))

;; Some unpleasant terminal hackery.  Screen prefixes the current terminal
;; name with `screen.', and Emacs is too dim to split the name at the `.'.
;; Help it out.

(defun terminal-init-screen.xterm ()
  (tty-run-terminal-initialization (selected-frame) "screen"))
(defun terminal-init-screen.putty ()
  (tty-run-terminal-initialization (selected-frame) "screen"))

;; Don't disable any commands.

(mapatoms #'(lambda (sym) (put sym 'disabled nil)))

;; Split a wide window.

(mdw-divvy-window)

;; Postscript printing.

(setq ps-paper-type 'a4
      ps-print-color-p nil
      ps-landscape-mode t
      ps-number-of-columns 2
      ps-font-family 'Courier
      ps-font-size 6.5)

;; Splash screen stuff.

(if (not mdw-splashy-startup)
    (setq inhibit-splash-screen t
	  inhibit-startup-message t))

;; Other goodies.

(trap (resize-minibuffer-mode 1))	;Make minibuffer grow dynamically
(auto-compression-mode 1)		;Enable automatic compression
(setq enable-local-variables :safe
      enable-local-eval nil)
(setq dabbrev-case-replace nil)		;Retain case when completing
(setq linum-format "%7d ")
(setq next-line-add-newlines nil)	;Don't add weird newlines
(setq split-height-threshold nil)	;Reuse windows where sensible
(setq display-buffer-reuse-frames nil	;Don't confuse me by showing buffers
      iswitchb-default-method 'samewindow ;in other random frames
      ido-default-file-method 'selected-window
      ido-default-buffer-method 'selected-window)
(setq ido-enable-prefix t
      ido-enable-flex-matching t
      ido-everywhere t
      ido-confirm-unique-completion t
      ido-use-filename-at-point nil
      ido-auto-merge-work-directories-length -1)
(setq pcomplete-cycle-completions nil	;Who thought that was a good idea?
      eshell-cmpl-cycle-completions nil)
(setq dired-deletion-confirmer		;Make deletion easier in dired
	(symbol-function 'y-or-n-p)
      delete-by-moving-to-trash (mdw-emacs-version-p 24)
      dired-listing-switches "-alF"	;Do `ls -F' things in dired windows
      wdired-allow-to-change-permissions 'advanced)
(setq read-quoted-char-radix 16)	;C-q HEX-STUFF [RET]
(setq case-fold-file-names nil)		;Don't translate file names (grr...)
(setq scroll-step 5)			;Don't scroll too much at a time
(setq blink-cursor-blinks 0)		;Keep blinking the cursor
(setq-default fill-column mdw-text-width) ;I use rather narrow windows
(setq adaptive-fill-mode nil)		;I have my own machinery instead
(setq reb-re-syntax 'string)		;Enough backslashes even with this
(setq-default comment-column 40)	;Set a standard comment column
(setq-default truncate-partial-width-windows nil
	      truncate-lines t)
(setq default-indicate-empty-lines t)
(setq view-read-only t)
(setq-default view-exit-action #'kill-buffer)
(and window-system (not mdw-fast-startup)
     (setq confirm-kill-emacs #'yes-or-no-p))
(setq whitespace-style '(trailing empty indentation face lines-tail
			 space-before-tab space-after-tab)
      whitespace-line-column mdw-text-width)
(setq woman-use-own-frame nil		;Keep man pages somewhere sensible
      woman-fill-column 72)		;Right margin position.
(setq diff-switches "-u"		;I like reading unified diffs
      cvs-diff-flags (list diff-switches))
(setq echo-keystrokes 10)		;Long delay before keystrokes echo
(setq ange-ftp-ftp-program-name "pftp")	;Use passive FTP
(setq find-ls-option			;Build file lists efficiently
      '("-print0 | xargs -0r ls -ld" . "ld"))
(setq bookmark-save-flag 0)		;Save bookmarks automatically
(setq vc-follow-symlinks t
      vc-git-resolve-conflicts nil)
(setq x-gtk-file-dialog-help-text nil)
(setq use-dialog-box nil)
(setq Info-fontify-maximum-menu-size 100000)
(setq set-mark-command-repeat-pop t)
(setq password-cache-expiry nil)
(setq mouse-autoselect-window nil)
(setq-default proced-filter 'all
	      proced-sort 'user)
(setq ispell-program-name "aspell-hack"
      ispell-local-dictionary "en_GB-ize-w_accents"
      flyspell-default-dictionary "en_GB-ize-w_accents"
      ispell-local-dictionary-alist
      '(("en_GB-ize-w_accents" "[[:alpha:]]" "[^[:alpha:]]" "'" t
	 ("-d" "en_GB-ize-w_accents") nil utf-8))
      ispell-silently-savep t)
(trap
  (require 'uniquify)
  (setq uniquify-buffer-name-style 'post-forward-angle-brackets)
  (setq uniquify-after-kill-buffer-p t))
(transient-mark-mode t)
(setq mark-even-if-inactive t
      shift-select-mode nil
      delete-active-region nil
      delete-selection-mode nil)
(trap
  (tooltip-mode 0)
  (tool-bar-mode 0))
(trap (or mdw-fast-startup (global-auto-revert-mode t)))

(defvar mdw-black-background t)

(eval-after-load "outline"
  '(progn
     (trap (require 'foldout))
     (define-key outline-mode-prefix-map [?\C-r] 'reveal-mode)
     (define-key outline-mode-prefix-map [?\C--] 'mdw-outline-collapse-all)))

(define-key isearch-mode-map [?\C-?] 'isearch-del-char)
(define-key isearch-mode-map [backspace] 'isearch-del-char)
(define-key isearch-mode-map [?\e ?\C-?] 'isearch-delete-char)

(setq imenu-auto-rescan t
      imenu-auto-rescan-maxout (* 128 1024)
      imenu-max-items 60)

(setq cltl2-root-url (mdw-config 'cltl-url))
(setq common-lisp-hyperspec-root (mdw-config 'hyperspec-url))

(setq ediff-split-window-function 'split-window-horizontally)

(setq rfcview-rfc-location-pattern
	"/ftp@mirror.distorted.org.uk:/pub/mirrors/rfc/rfc%s.txt"
      rfcview-std-location-pattern
	"/ftp@mirror.distorted.org.uk:/pub/mirrors/rfc/std/std%s.txt"
      rfcview-index-location
	"/ftp@mirror.distorted.org.uk:/pub/mirrors/rfc/rfc-index.txt")

;;;--------------------------------------------------------------------------
;;; W3 and URL fetching stuff.

(let ((proxy (mdw-config 'http-proxy)))
  (setq url-proxy-services
	  `(("http" . ,proxy)
	    ("ftp" . ,proxy)
	    ("gopher" . ,proxy))))
(setq url-cookie-untrusted-urls '("."))

(setq browse-url-browser-function (mdw-good-url-browser)
      browse-url-generic-program "mdw-chrome"
      browse-url-mozilla-program "mdw-iceweasel")

(setq w3m-default-display-inline-images t
      w3m-use-cookies t)

(eval-after-load "w3m"
  '(let ((entries '(("application/pdf" "\\.pdf\\'" ("xdg-open" file) nil)
		    ("application/x-pdf" "\\.pdf\\'" ("xdg-open" file) nil))))
     (dolist (e entries)
       (setq w3m-content-type-alist
	       (cons e (remove* (car e) w3m-content-type-alist
				:key #'car :test #'string=))))))

(setq w3-do-incremental-display t
      w3-use-menus '(file edit view go bookmark options
		     buffers style search emacs nil help)
      w3-display-inline-image t
      w3-keybinding 'info)

;;;--------------------------------------------------------------------------
;;; Calendar configuration.

(setq diary-file
      (let ((main-diary "~/etc/brain/diary")
	    (index "~/etc/index.diary"))
	(if (file-exists-p index)
	    index
	  main-diary)))

;; Trivial stuff for the sunrise/sunset calculations.

(setq calendar-latitude 52.2)
(setq calendar-longitude 0.1)
(setq calendar-location-name "Cambridge, UK")

;; Holidays.

(and (not mdw-fast-startup)
     (trap
       (require 'ew-hols)
       (setq other-holidays (append english-and-welsh-bank-holidays
				    other-holidays))))

;; Date format fiddling.

(setq european-calendar-style t
      calendar-date-style 'european
      calendar-time-display-form
	'(24-hours ":" minutes
	  (if time-zone " (") time-zone (if time-zone ")")))

(setq diary-date-forms
	'((day "[-/]" month "[^-/0-9]")
	  (day " *" monthname "[ \t]*\\(\^M\\|\n\\)")
	  (backup day " *" monthname "\\W+\\<\\([^*0-9]\\|[0-9]+[:aApP]\\)")
	  (day "[-/]" month "[-/]" year "[^0-9]")
	  (day " *" monthname " *" year "[^0-9]")
	  (year "[-/]" month "[-/]" day "[^0-9]")
	  (dayname "\\W")))

;; Fancy diary handling.

(add-hook 'diary-display-hook 'fancy-diary-display)
(setq diary-list-include-blanks t)
(cond ((mdw-emacs-version-p 23 1)
       (add-hook 'list-diary-entries-hook 'diary-include-other-diary-files)
       (add-hook 'mark-diary-entries-hook 'diary-mark-included-diary-files))
      (t
       (add-hook 'list-diary-entries-hook 'include-other-diary-files)
       (add-hook 'mark-diary-entries-hook 'mark-included-diary-files)))

;; Appointment management.

(add-hook 'diary-hook 'appt-make-list)
(setq appt-issue-message t
      appt-display-interval 3
      appt-message-warning-time 10
      appt-display-diary nil)
(and (not mdw-fast-startup)
     (trap (require 'org)
	   (require 'bbdb)
	   (appt-activate 1)))

;; Org-mode agenda.

(setq org-agenda-include-diary t
      org-directory "~/etc/brain.local/"
      org-default-notes-file (concat org-directory "local.org")
      org-tags-column -77
      org-agenda-align-tags-to-column org-tags-column)

;; Cosmetic stuff.

(setq calendar-view-diary-initially-flag nil
      calendar-view-holidays-initially-flag nil
      calendar-mark-diary-entries-flag t)

(setq display-time-24hr-format t)
(display-time)
(column-number-mode 1)
(trap
  (if mdw-splashy-startup
      (let ((calendar-view-diary-initially-flag t))
	(calendar))))

;;;--------------------------------------------------------------------------
;;; MailCrypt.

;; Define more mode hooks for MailCrypt.

(setq mdw-mc-modes
	'((mdwmail-mode (encrypt . mdwmail-mc-encrypt)
			(sign . mdwmail-mc-sign))))

;; Load the MailCrypt support.

(trap
  (and (string-match "linux" (symbol-name system-type))
       (not mdw-fast-startup)
       (progn (require 'mailcrypt-init)
	      (require 'mailcrypt)
	      (setq mc-default-scheme 'mc-scheme-gpg)
	      (setq mc-pgp-user-id "mdw-nsict-pgp")
	      (setq mc-gpg-user-id "mdw-nsict-gpg")
	      (setq mc-modes-alist (append mc-modes-alist mdw-mc-modes))
	      (setq mc-pgp-always-sign t)
	      (setq mc-gpg-always-sign t)
	      (setq mc-always-replace 'never)
	      (setq mc-passwd-timeout 3600)
	      (setq mc-temp-directory tmpdir)
	      (setq mc-modes-alist (append mc-modes-alist mdw-mc-modes))
	      (define-key mc-write-mode-map "\C-c/S" 'mc-sign-region)
	      (define-key mc-write-mode-map "\C-c/E" 'mc-encrypt-region)
	      (add-hook 'text-mode-hook 'mc-install-write-mode))))

(setq epa-pinentry-mode 'loopback)

;;;--------------------------------------------------------------------------
;;; Other common declarations.

;; Default frame size.

(setq frame-background-mode (if mdw-black-background 'dark 'light)
      frame-inhibit-implied-resize t
      default-frame-alist
	`((width . ,(+ mdw-column-width mdw-frame-width-fudge))
	  (height . 33)
	  (vertical-scroll-bars . right)
	  (cursor-type . bar)
	  (cursor-blink . t)
	  (left-fringe . 5)
	  (right-fringe . 5)
	  (scroll-bar-width . 15)
	  (tool-bar-lines . 0)
	  (menu-bar-lines . 1)
	  (cursor-color . "red")
	  (background-mode . ,frame-background-mode))
      initial-frame-alist
	`((width . ,(+ mdw-column-width
		       (if (>= emacs-major-version 21) 0 1)))
	  (menu-bar-lines . ,(if window-system 1 0)))
      window-system-default-frame-alist
	'((pm (font . "-os2-System VIO-medium-r-normal--*-40-*-*-m-*-cp850")
	      (menu-font . "8.Helv")
	      (background-color . "lightgrey"))
	  (w32 (font . "fixed613 10")
	       (background-color . "black")
	       (foreground-color . "white"))
	  (nil (menu-bar-lines . 0)
	       (background-color . nil))))
(let ((backg (frame-parameter nil 'background-color)))
  (if (and backg window-system)
      (push (cons 'background-color backg) default-frame-alist)))

;; Other frame fiddling.

(defvar mdw-hostname
  (if (string-match "\\." system-name)
      (substring system-name 0 (match-beginning 0))
    system-name))
(setq frame-title-format '("Emacs " user-login-name "@" mdw-hostname " – %b")
      icon-title-format frame-title-format)

;; Global keymap changes.

(trap
  (windmove-default-keybindings))
(setq windmove-wrap-around t)
(trap (require 'ido) (ido-mode 1)
      (require 'ido-completing-read+)
      (unless (fboundp 'ido-ubiquitous-mode) (require 'ido-ubiquitous))
      (ido-ubiquitous-mode 1)
      (setq ido-cr+-max-items nil)
      (let ((excludes `(,(concat "\\`"
				 "gtags-find-"
				 "\\("    "tag"
				       "\\|file"
				       "\\|rtag"
				       "\\|symbol"
				 "\\)"
				 "\\("	"\\|-other-window"
				 "\\)"
				 "\\'"))))
	(if (boundp 'ido-ubiquitous-command-overrides)
	    (setq ido-ubiquitous-command-overrides
		    (append ido-ubiquitous-command-overrides
			    (mapcar (lambda (exclude)
				      (if (symbolp exclude)
					  `(enable-old exact
						       ,(symbol-name exclude))
					`(enable-old regexp ,exclude)))
				    excludes)))
	  (setq ido-cr+-function-blacklist
		  (append ido-cr+-function-blacklist excludes))))
      (setq magit-completing-read-function 'magit-ido-completing-read)
      (require 'smex) (smex-initialize) (global-set-key [?\M-x] 'smex))

(progn
  (global-set-key [?\e ?\e] 'mdw-wrong)
  (global-set-key [?\e ?\C-\] ?\C-\]] 'keyboard-escape-quit)
  (global-set-key [?\C-c ?\M-x] 'execute-extended-command)
  (global-set-key [?\C-c ?d ?a] 'devhelp-assistant-word-at-point)
  (global-set-key [?\C-c ?d ?w] 'devhelp-word-at-point)
  (global-set-key [?\C-c ?g ?a] 'org-agenda)
  (global-set-key [?\C-c ?g ?b] 'org-iswitchb)
  (global-set-key [?\C-c ?g ?l] 'org-store-link)
  (global-set-key [?\C-c ?k] 'mdw-compile)
  (global-set-key [?\C-c ?m ?4 ?f] 'magit-find-file-other-window)
  (global-set-key [?\C-c ?m ?b] 'magit-blame)
  (global-set-key [?\C-c ?m ?d] 'magit-dispatch-popup)
  (global-set-key [?\C-c ?m ?f] 'magit-find-file)
  (global-set-key [?\C-c ?m ?m] 'magit-status)
  (global-set-key [?\C-c ?m ?r] 'magit-list-repositories)
  (global-set-key [?\C-c ?m ?w] 'magit-wip-log)
  (global-set-key [?\C-c ?p ?s] 'mdw-mpc-stop)
  (global-set-key [?\C-c ?p ?<] 'mdw-mpc-prev)
  (global-set-key [?\C-c ?p ?>] 'mdw-mpc-next)
  (global-set-key [?\C-c ?p ?+] 'mdw-mpc-louder)
  (global-set-key [?\C-c ?p ?-] 'mdw-mpc-quieter)
  (global-set-key [?\C-c ?p ??] 'mdw-mpc-now-playing)
  (global-set-key [?\C-c ?p ?p] 'mdw-mpc-play-or-pause)
  (global-set-key [?\C-c ?t ?4 ?.] 'gtags-find-tag-other-window)
  (global-set-key [?\C-c ?t ?.] 'gtags-find-tag)
  (global-set-key [?\C-c ?t ?R] 'timeclock-reread-log)
  (global-set-key [?\C-c ?t ?,] 'gtags-pop-stack)
  (global-set-key [?\C-c ?t ?c] 'timeclock-change)
  (global-set-key [?\C-c ?t ?i] 'timeclock-in)
  (global-set-key [?\C-c ?t ?o] 'timeclock-out)
  (global-set-key [?\C-c ?t ?r] 'gtags-find-rtag)
  (global-set-key [?\C-c ?t ?s] 'timeclock-status-string)
  (global-set-key [?\C-c ?t ?t] 'gtags-find-tag-from-here)
  (global-set-key [?\C-c ?t ?w] 'timeclock-workday-remaining-string)
  (global-set-key [?\C-c ?v ?f] 'view-file)
  (global-set-key [?\C-c ?v ?i] 'vm-visit-imap-folder)
  (global-set-key [?\C-c ?v ?m] 'vm-visit-folder)
  (global-set-key [?\C-c ?v ?v] 'mdw-auto-revert)
  (global-set-key [?\C-c ?w ?d] 'mdw-divvy-window)
  (global-set-key [?\C-c ?w ?h] 'windmove-left)
  (global-set-key [?\C-c ?w ?j] 'windmove-down)
  (global-set-key [?\C-c ?w ?k] 'windmove-up)
  (global-set-key [?\C-c ?w ?l] 'windmove-right)
  (global-set-key [?\C-c ?w ?r] 'winner-redo)
  (global-set-key [?\C-c ?w ?u] 'winner-undo)
  (global-set-key [?\C-c ?w ?w] 'mdw-set-frame-width)
  (global-set-key [?\C-c ?w up] 'windmove-up)
  (global-set-key [?\C-c ?w down] 'windmove-down)
  (global-set-key [?\C-c ?w left] 'windmove-left)
  (global-set-key [?\C-c ?w right] 'windmove-right)
  (global-set-key [?\C-h ?\C-m] 'manual-entry)
  (global-set-key [?\C-x ?4 ?\C-j] 'dired-jump-other-window)
  (global-set-key [?\C-x ?4 ?j] 'dired-jump-other-window)
  (global-set-key [?\C-x ?\C-j] 'dired-jump)
  (global-set-key [?\C-x ?\C-n] 'skel-create-file)
  (global-set-key [?\C-x ?4 ?n] 'skel-create-file-other-window)
  (global-set-key [?\C-x ?5 ?n] 'skel-create-file-other-frame)
  (global-set-key [?\C-x ?3] 'mdw-split-window-horizontally)
  (global-set-key [?\C-x ?/] 'auto-fill-mode)
  (global-set-key [?\M-#] 'calc-dispatch)
  (global-set-key [?\M-q] 'mdw-fill-paragraph)
  (global-set-key [delete] 'delete-char)
  (global-set-key [insertchar] 'overwrite-mode)
  (global-set-key [C-M-backspace] 'backward-kill-sexp)
  (global-set-key [mode-line C-mouse-1] 'mouse-tear-off-window)
  (global-set-key [vertical-scroll-bar C-down-mouse-1]
		  'mouse-drag-vertical-line)
  (global-set-key [vertical-scroll-bar C-mouse-1]
		  #'(lambda () (interactive)))
  (global-set-key [M-S-mouse-3] 'imenu)
  (global-set-key [XF86WakeUp] "")
  (global-set-key [f11] 'mdw-toggle-full-screen)
  (and (not mdw-fast-startup) (fboundp 'hippie-expand)
       (global-set-key [?\M-?] 'hippie-expand)))

(eval-after-load "hippie-exp"
  '(setq hippie-expand-try-functions-list
	   (remove-if (lambda (name)
			(memq name '(try-expand-list
				     try-expand-list-all-buffers)))
		      hippie-expand-try-functions-list)))

(autoload 'dired-jump "dired-x")
(autoload 'dired-jump-other-window "dired-x")

(eval-after-load "dired"
  '(progn
     (or (lookup-key dired-mode-map  [?\C-x ?\C-q])
	 (define-key dired-mode-map [?\C-x ?\C-q]
	   'wdired-change-to-wdired-mode))
     (trap (require 'dired-x))
     (and (fboundp 'dired-do-relsymlink)
	  (define-key dired-mode-map [?\C-c ?\C-s] 'dired-do-relsymlink))))
(setq dired-guess-shell-alist-user
	'(("\\.pdf\\'" "mupdf")))

(add-hook 'org-mode-hook
	  #'(lambda () (mdw-clobber-evil-keymap org-mode-map)))
(add-hook 'org-agenda-mode-hook
	  #'(lambda () (mdw-clobber-evil-keymap org-agenda-mode-map)))
(or mdw-fast-startup
    (trap (progn
	    (org-remember-insinuate)
	    (global-set-key [?\C-c ?g ?r] 'org-remember))))

;; Minor mode listing

(setq minor-mode-alist
	(mdw-uniquify-alist '((reveal-mode (hs-minor-mode
					    " hs/r"
					    (global-reveal-mode
					     "" " Reveal")))
			      (hs-minor-mode (reveal-mode "" " hs"))
			      (abbrev-mode "")
			      (gtags-mode ""))
			    minor-mode-alist))

;; Recognising types of files.

(setq auto-mode-alist
	(append `(("\\.p[lm]$" . cperl-mode)
		  ("\\.sage$" . python-mode)
		  ("\\.m$" . objc-mode)
		  ("\\.mxd$" . c-mode)
		  ("\\.cs$" . csharp-mode)
		  ("\\.go$" . go-mode)
		  ("\\.org$" . org-mode)
		  ("\\.make$" . makefile-mode)
		  ("\\.mk?d$" . markdown-mode)
		  ;; ("/[ch]/" . c-mode)
		  (,(concat "/\\("
			    "\\.stgit\\.msg" "\\|"
			    "\\.topmsg" "\\|"
			    "\\.git/COMMIT_EDITMSG" "\\|"
			    "svn-commit\\.tmp" "\\|"
			    "svk-commit[^/.]*\\.tmp"
			    "\\)$")
		   . text-mode)
		  (,(concat "^" tmpdir "/\\("
			    "svk-commit[^/.]*\\.tmp" "\\|"
			    "gitci\\.[^/.]*" "\\|"
			    "cvs[^/.]\\{6\\}" "\\|"
			    "quilt_header\.[^/.]\\{6\\}"
			    "\\)$")
		   . text-mode)
		  ("\\.calc?$" . apcalc-mode)
		  ("/\\(s\\|sh\\)/" . arm-assembler-mode)
		  ("\\.\\(cmd\\|exec\\|rexx\\)$" . rexx-mode)
		  ("\\.st$" . smalltalk-mode)
		  ("\\.msgs$" . messages-mode)
		  ("/all-cmds\\.in$" . cpp-messages-mode)
		  ("\\.\\(tex\\|dtx\\)$" . latex-mode)
		  ("\\.gc$" . haskell.-mode)
		  (,(concat "^" (getenv "HOME") "/News/") . mdwmail-mode)
		  (,(concat "^" tmpdir "/\\(SLRN\\|snd\\|pico\\|mutt\\)")
		   . mdwmail-mode))
		auto-mode-alist))

(setq interpreter-mode-alist
	(append `(("runlisp" . lisp-mode)
		  ("@BASH@" . sh-mode)
		  ("@PYTHON@" . python-mode)
		  ("sage" . python-mode)
		  ("@PERL@" . cperl-mode)
		  ("perl" . cperl-mode)
		  ("@TCLSH@" . tcl-mode)
		  ("@WISH@" . tcl-mode)
		  ("tclsh" . tcl-mode)
		  ("wish" . tcl-mode))
		interpreter-mode-alist))

(setq completion-ignored-extensions
	(append `(".hc" ".hi") completion-ignored-extensions))
(dolist (dir (remove-if-not (lambda (ext)
			      (= (aref ext (- (length ext) 1)) ?/))
			    completion-ignored-extensions))
  (if (/= (aref dir 0) ?/)
      (setq completion-ignored-extensions
	      (cons (concat "/" dir)
		    (remove dir completion-ignored-extensions)))))

;; Some common local definitions.

(make-variable-buffer-local 'mdw-auto-indent)

(global-font-lock-mode t)

;;;--------------------------------------------------------------------------
;;; Rootly editingness.

(eval-after-load "tramp"
  '(let ((fix-args (if (mdw-version-< tramp-version "2.1")
		       #'append #'list)))
     (setq tramp-methods
	     (mdw-uniquify-alist
	      `(("become"
		 (tramp-connection-function tramp-open-connection-su)
		 (tramp-remote-sh "/bin/sh")
		 (tramp-login-program "become")
		 (tramp-copy-program nil)
		 (tramp-copy-args nil)
		 (tramp-copy-keep-date-arg nil)
		 (tramp-login-args ,(funcall fix-args `("TERM=dumb" "%u"))))
		("really"
		 (tramp-connection-function tramp-open-connection-su)
		 (tramp-login-program "really")
		 (tramp-login-args ,(funcall fix-args
					     `("-u" "%u")
					     `("--")
					     `("env" "TERM=dumb" "/bin/sh")))
		 (tramp-copy-program nil)
		 (tramp-copy-args nil)
		 (tramp-copy-keep-date-arg nil)
		 (tramp-remote-sh "/bin/sh"))
		,@tramp-methods)))
     (setq tramp-default-method "ssh")
     (let ((rootlyness (cond ((executable-find "really") "really")
			     ((executable-find "become") "become")
			     ((executable-find "sudo") "sudo")
			     (t "su")))
	   (this-host (concat "\\`\\(localhost\\|"
			      (system-name) "\\)?\\'"))
	   (this-user (concat "\\`\\(" (user-login-name) "\\|"
			      (user-real-login-name) "\\)?\\'")))
       (setq tramp-default-method-alist
	       `((,this-host nil ,rootlyness)
		 (nil ,this-user "ssh")
		 (nil "." ,rootlyness)))
       (setq tramp-default-proxies-alist
	       `((,this-host nil nil)
		 (nil "." "/ssh:%h:"))))))

;;;--------------------------------------------------------------------------
;;; General fontification.

;; Configure lazy fontification.

(and (fboundp 'lazy-lock-mode)
     (setq font-lock-support-mode 'lazy-lock-mode))
; (setq lazy-lock-defer-contextually t)
(setq lazy-lock-defer-time nil
      font-lock-maximum-decoration 3
      lazy-lock-minimum-size 0
      lazy-lock-stealth-time 5
      lazy-lock-stealth-lines 100
      lazy-lock-stealth-verbose t)

;; Late, for `mdw-black-background'.
(setq-default py-python-command-args
		`("-i" "-colors" ,(if mdw-black-background "Linux" "LightBG")))

;;;--------------------------------------------------------------------------
;;; Blogging.

(setq weblogger-config-alist
	'(("vox"
	   ("user" . "mdw")
	   ("server-url" . "http://vox.distorted.org.uk/admin/mt-xmlrpc.cgi")
	   ("weblog" . "1"))))

;;;--------------------------------------------------------------------------
;;; Shell mode.

;; Make the shell mode aware of my prompt.

(setq shell-prompt-pattern "^[^]#$%>»}\n]*\\([]#$%»}]\\|>>?\\) *")
(setq comint-password-prompt-regexp
	(concat "\\(\\([Ee]nter \\|[Oo]ld \\|[Nn]ew \\|[a-zA-Z0-9_]*'s \\|^\\)"
		"[Pp]assword\\|[Pp]ass ?phrase\\( [-a-zA-Z0-9._]+\\)?\\):")
      comint-file-name-chars "~/A-Za-z0-9+@:_.$#%,={}-"
      shell-file-name-chars comint-file-name-chars)

;; Notice passwords, and make C-a work right.

(add-hook 'shell-mode-hook #'mdw-sh-mode-setup)
(add-hook 'shell-mode-hook #'ansi-color-for-comint-mode-on)
(setq shell-font-lock-keywords nil)

(add-hook 'term-mode-hook #'mdw-term-mode-setup)

;;;--------------------------------------------------------------------------
;;; Finishing touches.

(trap (select-window mdw-init-window))
(provide 'emacs-init)

;;;----- That's all, folks --------------------------------------------------