idlwave: Configuration Examples
Appendix C Configuration Examples
*********************************
Question: You have all these complicated configuration options in your
package, but which ones do _you_ as the maintainer actually set in your
own configuration?
Answer: Not many, beyond custom key bindings. I set most defaults the
way that seems best. However, the default settings do not turn on
features which:
− are not self-evident (i.e., too magic) when used by an unsuspecting
user.
− are too intrusive.
− will not work properly on all Emacs installations.
− break with widely used standards.
− use function or other non-standard keys.
− are purely personal customizations, like additional key bindings,
and library names.
To see what I mean, here is the _entire_ configuration the old
maintainer had in his ‘.emacs’:
(setq idlwave-shell-debug-modifiers '(control shift)
idlwave-store-inquired-class t
idlwave-shell-automatic-start t
idlwave-main-block-indent 2
idlwave-init-rinfo-when-idle-after 2
idlwave-help-dir "~/lib/emacs/idlwave"
idlwave-special-lib-alist '(("/idl-astro/" . "AstroLib")
("/jhuapl/" . "JHUAPL-Lib")
("/dominik/lib/idl/" . "MyLib")))
However, if you are an Emacs power-user and want IDLWAVE to work
completely differently, you can change almost every aspect of it. Here
is an example of a much more extensive configuration of IDLWAVE. The
user is King!
;;; Settings for IDLWAVE mode
(setq idlwave-block-indent 3) ; Indentation settings
(setq idlwave-main-block-indent 3)
(setq idlwave-end-offset -3)
(setq idlwave-continuation-indent 1)
(setq idlwave-begin-line-comment "^;[^;]") ; Leave ";" but not ";;"
; anchored at start of line.
(setq idlwave-surround-by-blank t) ; Turn on padding ops =,<,>
(setq idlwave-pad-keyword nil) ; Remove spaces for keyword '='
(setq idlwave-expand-generic-end t) ; convert END to ENDIF etc...
(setq idlwave-reserved-word-upcase t) ; Make reserved words upper case
; (with abbrevs only)
(setq idlwave-abbrev-change-case nil) ; Don't force case of expansions
(setq idlwave-hang-indent-regexp ": ") ; Change from "- " for auto-fill
(setq idlwave-show-block nil) ; Turn off blinking to begin
(setq idlwave-abbrev-move t) ; Allow abbrevs to move point
(setq idlwave-query-class '((method-default . nil) ; No query for method
(keyword-default . nil); or keyword completion
("INIT" . t) ; except for these
("CLEANUP" . t)
("SETPROPERTY" .t)
("GETPROPERTY" .t)))
;; Using w3m for help (must install w3m and emacs-w3m)
(autoload 'w3m-browse-url "w3m" "Interface for w3m on Emacs." t)
(setq idlwave-help-browser-function 'w3m-browse-url
w3m-use-tab nil ; no tabs, location line, or toolbar
w3m-use-header-line nil
w3m-use-toolbar nil)
;; Close my help window or frame when w3m closes with 'q'.
(defadvice w3m-close-window (after idlwave-close activate)
(if (boundp 'idlwave-help-frame)
(idlwave-help-quit)))
;; Some setting can only be done from a mode hook. Here is an example:
(add-hook 'idlwave-mode-hook
(lambda ()
(setq case-fold-search nil) ; Make searches case sensitive
;; Run other functions here
(font-lock-mode 1) ; Turn on font-lock mode
(idlwave-auto-fill-mode 0) ; Turn off auto filling
(setq idlwave-help-browser-function 'browse-url-w3)
;; Pad with 1 space (if -n is used then make the
;; padding a minimum of n spaces.) The defaults use -1
;; instead of 1.
(idlwave-action-and-binding "=" '(idlwave-expand-equal 1 1))
(idlwave-action-and-binding "<" '(idlwave-surround 1 1))
(idlwave-action-and-binding ">" '(idlwave-surround 1 1 '(?-)))
(idlwave-action-and-binding "&" '(idlwave-surround 1 1))
;; Only pad after comma and with exactly 1 space
(idlwave-action-and-binding "," '(idlwave-surround nil 1))
(idlwave-action-and-binding "&" '(idlwave-surround 1 1))
;; Pad only after '->', remove any space before the arrow
(idlwave-action-and-binding "->" '(idlwave-surround 0 -1 nil 2))
;; Set some personal bindings
;; (In this case, makes ',' have the normal self-insert behavior.)
(local-set-key "," 'self-insert-command)
(local-set-key [f5] 'idlwave-shell-break-here)
(local-set-key [f6] 'idlwave-shell-clear-current-bp)
;; Create a newline, indenting the original and new line.
;; A similar function that does _not_ reindent the original
;; line is on "\C-j" (The default for emacs programming modes).
(local-set-key "\n" 'idlwave-newline)
;; (local-set-key "\C-j" 'idlwave-newline) ; My preference.
;; Some personal abbreviations
(define-abbrev idlwave-mode-abbrev-table
(concat idlwave-abbrev-start-char "wb") "widget_base()"
(idlwave-keyword-abbrev 1))
(define-abbrev idlwave-mode-abbrev-table
(concat idlwave-abbrev-start-char "on") "obj_new()"
(idlwave-keyword-abbrev 1))
))
;;; Settings for IDLWAVE SHELL mode
(setq idlwave-shell-overlay-arrow "=>") ; default is ">"
(setq idlwave-shell-use-dedicated-frame t) ; Make a dedicated frame
(setq idlwave-shell-prompt-pattern "^WAVE> ") ; default is "^IDL> "
(setq idlwave-shell-explicit-file-name "wave")
(setq idlwave-shell-process-name "wave")
(setq idlwave-shell-use-toolbar nil) ; No toolbar
;; Most shell interaction settings can be done from the shell-mode-hook.
(add-hook 'idlwave-shell-mode-hook
(lambda ()
;; Set up some custom key and mouse examine commands
(idlwave-shell-define-key-both [s-down-mouse-2]
(idlwave-shell-mouse-examine
"print, size(___,/DIMENSIONS)"))
(idlwave-shell-define-key-both [f9] (idlwave-shell-examine
"print, size(___,/DIMENSIONS)"))
(idlwave-shell-define-key-both [f10] (idlwave-shell-examine
"print,size(___,/TNAME)"))
(idlwave-shell-define-key-both [f11] (idlwave-shell-examine
"help,___,/STRUCTURE"))))
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