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misc.lisp
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misc.lisp
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;;; -*- Mode: LISP; Syntax: COMMON-LISP; Package: LW-ADD-ONS; Base: 10 -*-
;;; $Header: /usr/local/cvsrep/lw-add-ons/misc.lisp,v 1.31 2015/03/06 12:54:25 edi Exp $
;;; Copyright (c) 2005-2015, Dr. Edmund Weitz. All rights reserved.
;;; Redistribution and use in source and binary forms, with or without
;;; modification, are permitted provided that the following conditions
;;; are met:
;;; * Redistributions of source code must retain the above copyright
;;; notice, this list of conditions and the following disclaimer.
;;; * Redistributions in binary form must reproduce the above
;;; copyright notice, this list of conditions and the following
;;; disclaimer in the documentation and/or other materials
;;; provided with the distribution.
;;; THIS SOFTWARE IS PROVIDED BY THE AUTHOR 'AS IS' AND ANY EXPRESSED
;;; OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
;;; WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
;;; ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
;;; DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
;;; DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
;;; GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
;;; INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
;;; WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
;;; NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
;;; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
(in-package :lw-add-ons)
(defmacro ignore-errors* (&body body)
"Like IGNORE-ERRORS, but also binds *BREAK-ON-SIGNALS* to
*LW-ADD-ONS-BREAK-ON-SIGNALS* so that LW-ADD-ONS usually doesn't
interfer with debugging."
`(let ((*break-on-signals* *lw-add-ons-break-on-signals*))
(ignore-errors ,@body)))
(defun browse-anchored-uri (uri)
"Show the URI URI in a browser."
;; workaround because older versions of LispWorks's HWEB:BROWSE
;; function swallow the fragment part of the URI - based on an
;; idea by Nick Levine
#-(or :lispworks5 :lispworks6)
(let ((temp-file (make-temp-file nil "html")))
(push temp-file *temp-files*)
(with-open-file (out temp-file
:direction :output
:if-exists :supersede)
(format out "<html><head><meta http-equiv=refresh content=\"0;url=~A\"></head></html>"
uri))
(hweb:browse (namestring temp-file)))
#+(or :lispworks5 :lispworks6)
(hweb:browse uri))
(defun start-swank-server ()
"Starts Swank so you can control LispWorks from Emacs via
SLIME. Note that this might cause conflicts with the LW IDE."
(unless *swank-loader-pathname*
(error "You need to specify *SWANK-LOADER-PATHNAME*."))
(unless *swank-started-p*
(load *swank-loader-pathname*)
(setq *swank-started-p* t))
(funcall (find-symbol "CREATE-SERVER" :swank) :dont-close t))
(defun starts-with-p (string prefix &key (test #'char-equal))
"Whether the string STRING starts with PREFIX."
(let ((mismatch (mismatch string prefix :test test)))
(or (null mismatch)
(= mismatch (length prefix)))))
(defun tile-windows-vertically (screen)
"Tiles windows vertically if in MDI mode."
(let ((podium
(capi:locate-interface 'lispworks-tools::lispworks-podium
:screen screen)))
(when (and podium
(typep podium 'lispworks-tools::lispworks-win32-mdi-podium))
(capi:execute-with-interface podium 'capi::windows-menu-callback
podium :tile-vertically))))
(defun open-editor-and-tile-windows-vertically (screen)
"Opens an editor if necessary and tiles windows vertically."
(capi:find-interface 'lw-tools:editor)
(tile-windows-vertically screen))
(defun gui-inspect (object)
"Opens an IDE inspector to inspect the object OBJECT."
(capi:find-interface 'lw-tools:inspector :object object))
(defun format-object-for-apropos (object)
"Returns a string representing OBJECT which isn't \(much) longer
than *APROPOS-STRING-LENGTH*."
(with-standard-io-syntax
(let* ((*print-circle* t)
(*print-readably* nil)
(*print-length* *apropos-print-length*)
(*print-level* *apropos-print-level*)
(string (format nil "~S" object)))
(cond ((<= (length string) *apropos-max-string-length*)
string)
(t (format nil "~A ..."
(subseq string 0 *apropos-max-string-length*)))))))
(defun source-can-be-found (symbol)
"Whether a source location for the symbol SYMBOL is known."
(remove :unknown
(append (dspec:find-name-locations dspec:*dspec-classes* symbol)
(dspec:find-name-locations '(function) `(setf ,symbol)))
:test #'eq
:key #'second))
(defun documentation-uri (symbol)
"Returns the documentation URI for the symbol SYMBOL if it exists."
;; see "Meta Documentation" command
(let* ((symbol-string (and symbol
(format nil "~:[~;:~]~A"
(keywordp symbol)
(symbol-name symbol)))))
(and symbol-string (doc-entry symbol-string))))
(setf (sys:product-registry-path :lw-add-ons)
*product-registry-path*)
(defun get-apropos-user-preference (key default)
(multiple-value-bind (value present)
(user-preference "Apropos Dialog Settings" key
:product :lw-add-ons)
(if present value default)))
(defun set-apropos-user-preferences (&rest args)
(loop for (key value . nil) on args by #'cddr
do (setf (user-preference "Apropos Dialog Settings" key
:product :lw-add-ons)
value)))
(define-action "When quitting image" "Delete temporary files"
(lambda ()
(loop for file in *temp-files*
do (ignore-errors* (delete-file file)))))
;; stuff for Nikodemus Siivola's HYPERDOC
;; see <http://common-lisp.net/project/hyperdoc/>
;; and <http://www.cliki.net/hyperdoc>
(defvar *hyperdoc-base-uri* "http://weitz.de/lw-add-ons/")
(let ((exported-symbols-alist
(loop for symbol in '(*completion-match-function*
*show-doc-string-when-showing-arglist*
*max-completions-to-show*
*insert-right-parenthesis-if-no-args*
*mop-page*
*translate-asdf-systems*
*listener-shortcuts*
*max-info-length*
*swank-loader-pathname*
start-swank-server)
collect (cons symbol
(concatenate 'string
"#"
(string-downcase symbol))))))
(defun hyperdoc-lookup (symbol type)
(declare (ignore type))
(cdr (assoc symbol
exported-symbols-alist
:test #'eq))))