added rudel (obby and other colab framework for emacs)

1 files changed, 158 insertions, 0 deletions

diff --git a/emacs.d/lisp/rudel/.svn/text-base/rudel-compat.el.svn-base b/emacs.d/lisp/rudel/.svn/text-base/rudel-compat.el.svn-base
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+;;; rudel-compat.el --- Compatibility code for Rudel
+;;
+;; Copyright (C) 2009 Jan Moringen
+;; Copyright (C) 2009 Phil Hagelberg
+;;
+;; Author: Jan Moringen <scymtym@users.sourceforge.net>
+;;         Phil Hagelberg <phil@enigma>
+;; Keywords: rudel, compatibility
+;; X-RCS: $Id:$
+;;
+;; This file is part of Rudel.
+;;
+;; Rudel 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 3 of the License, or
+;; (at your option) any later version.
+;;
+;; Rudel 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 Rudel. If not, see <http://www.gnu.org/licenses>.
+
+
+;;; Commentary:
+;;
+;; This file contains compatibility code required to make Rudel work
+;; with different versions of Emacs.
+
+
+;;; History:
+;;
+;; 0.1 - Initial revision
+
+
+;;; Code:
+;;
+
+(unless (fboundp 'read-color)
+  (defun read-color (prompt &rest ignored)
+    "Poor man's read color without completion.
+You have to take care to only enter valid color names."
+    (read-string prompt)))
+
+
+;;; Spinner Progress Reporter
+;;
+
+(unless (functionp 'progress-reporter-spin)
+  (defvar progress-spinner-values ["-" "\\" "|" "/"])
+
+  (defsubst progress-reporter-update (reporter &optional value)
+  "Report progress of an operation in the echo area.
+
+The first parameter, REPORTER, should be the result of a call to
+`make-progress-reporter'. For reporters for which the max value
+is known, the second argument determines the actual progress of
+operation; it must be between MIN-VALUE and MAX-VALUE as passed
+to `make-progress-reporter'.
+
+However, if the change since last echo area update is too small
+or not enough time has passed, then do nothing (see
+`make-progress-reporter' for details).
+
+In this case, this function is very inexpensive, you need not
+care how often you call it."
+  (if (progress-reporter-spinner-p reporter)
+      (progress-reporter-spin reporter)
+    (when (>= value (car reporter))
+      (progress-reporter-do-update reporter value))))
+
+    (defun make-progress-reporter (message &optional min-value max-value
+                                           current-value min-change min-time)
+      "Return progress reporter object to be used with `progress-reporter-update'.
+
+MESSAGE is shown in the echo area.  When at least 1% of operation
+is complete, the exact percentage will be appended to the
+MESSAGE.  When you call `progress-reporter-done', word \"done\"
+is printed after the MESSAGE.  You can change MESSAGE of an
+existing progress reporter with `progress-reporter-force-update'.
+
+If provided, MIN-VALUE and MAX-VALUE designate starting (0%
+complete) and final (100% complete) states of operation.  The
+latter should be larger; if this is not the case, then simply
+negate all values.  Optional CURRENT-VALUE specifies the progress
+by the moment you call this function.  You should omit it or set
+it to nil in most cases since it defaults to MIN-VALUE.
+
+Optional MIN-CHANGE determines the minimal change in percents to
+report (default is 1%.)  Optional MIN-TIME specifies the minimal
+time before echo area updates (default is 0.2 seconds.)  If
+`float-time' function is not present, then time is not tracked
+at all.  If OS is not capable of measuring fractions of seconds,
+then this parameter is effectively rounded up.
+
+If MIN-VALUE and MAX-VALUE are unknown, they may be omitted to
+return a \"pulsing\" progress reporter."
+      (unless min-time
+        (setq min-time 0.2))
+      (let ((reporter
+             (cons min-value ;; Force a call to `message' now
+                   (vector (if (and (fboundp 'float-time)
+                                    (>= min-time 0.02))
+                               (float-time) nil)
+                           (or min-value 0)
+                           max-value
+                           message
+                           (if min-change (max (min min-change 50) 1) 1)
+                           min-time))))
+        (progress-reporter-update reporter (or current-value min-value))
+        reporter))
+
+    (defun progress-reporter-force-update (reporter &optional value new-message)
+        "Report progress of an operation in the echo area unconditionally.
+
+First two parameters are the same as for
+`progress-reporter-update'.  Optional NEW-MESSAGE allows you to
+change the displayed message."
+        (let ((parameters (cdr reporter)))
+          (when new-message
+            (aset parameters 3 new-message))
+          (when (aref parameters 0)
+            (aset parameters 0 (float-time)))
+          (if (progress-reporter-spinner-p reporter)
+              (progress-reporter-spin reporter)
+            (progress-reporter-do-update reporter value))))
+
+      (defun progress-reporter-spinner-p (reporter)
+        "Return t if REPORTER has an unknown max value."
+        (null (aref (cdr reporter) 2)))
+
+      (defun progress-reporter-spin (reporter)
+        "Advance indicator of spinning REPORTER."
+        (let* ((parameters (cdr reporter))
+               (index      (+ (aref parameters 1) 1)))
+          (aset parameters 1 index)
+          (let ((message-log-max nil)) ; No logging
+            (message "%s %s"
+                     (aref progress-spinner-values (mod index 4))
+                     (aref parameters 3))))))
+
+(unless (functionp 'string-match-p)
+  (defsubst string-match-p (regexp string &optional start)
+    "Same as `string-match' except this function does not change the match data"
+    (let ((inhibit-changing-match-data t))
+      (string-match regexp string start))))
+
+(defun rudel-get-coding-system (name)
+  (if (functionp 'coding-system-from-name)
+      (coding-system-from-name name)
+    ;; May need to try a little harder here for Emacs 22 depending on
+    ;; what kind of encoding names are given us.
+    (intern name)))
+
+(provide 'rudel-compat)
+;;; rudel-compat.el ends here