[Erc-commit] [commit][emacs22] Update from CVS

[mwolson]

commit 3524f7c08b70b3ebbc2abe149caf2a50fade12e9
Author: Michael Olson <address@hidden>
Date:   Mon Feb 20 03:57:15 2006 +0000

    Update from CVS
    
    2006-02-19  Diane Murray  <address@hidden>
    
       * erc-button.el (erc-button-keymap): Bind `erc-button-previous' to
       <C-tab>.
       (erc-button-previous): New function.
    git-archimport-id: address@hidden/erc--cvs--0--patch-125

diff --git a/ChangeLog b/ChangeLog
index 63c92ea..92cd064 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2006-02-19  Diane Murray  <address@hidden>
+
+       * erc-button.el (erc-button-keymap): Bind `erc-button-previous' to
+       <C-tab>.
+       (erc-button-previous): New function.
+
 2006-02-15  Michael Olson  <address@hidden>
 
        * NEWS: Add category for ERC 5.2.
diff --git a/erc-button.el b/erc-button.el
index 6d2cd82..e37ca00 100644
--- a/erc-button.el
+++ b/erc-button.el
@@ -68,7 +68,7 @@
 
 ;;; Variables
 
-(defconst erc-button-version "$Revision: 1.73 $"
+(defconst erc-button-version "$Revision: 1.74 $"
   "ERC button mode revision.")
 
 (defface erc-button '((t (:bold t)))
@@ -219,6 +219,7 @@ PAR is a number of a regexp grouping whose text will be 
passed to
         (define-key map (kbd "<button2>") 'erc-button-click-button)
       (define-key map (kbd "<mouse-2>") 'erc-button-click-button))
     (define-key map (kbd "TAB") 'erc-button-next)
+    (define-key map (kbd "<C-tab>") 'erc-button-previous)
     (set-keymap-parent map erc-mode-map)
     map)
   "Local keymap for ERC buttons.")
@@ -430,6 +431,22 @@ call it with the value of the `erc-data' text property."
         (error "No next button"))
       t)))
 
+(defun erc-button-previous ()
+  "Go to the previous button in this buffer."
+  (interactive)
+  (let ((here (point)))
+    (when (< here (erc-beg-of-input-line))
+      (while (and (get-text-property here 'erc-callback)
+                  (not (= here (point-min))))
+        (setq here (1- here)))
+      (while (and (not (get-text-property here 'erc-callback))
+                  (not (= here (point-min))))
+        (setq here (1- here)))
+      (if (> here (point-min))
+          (goto-char here)
+        (error "No previous button"))
+      t)))
+
 (defun erc-browse-emacswiki (thing)
   "Browse to thing in the emacs-wiki."
   (browse-url (concat erc-emacswiki-url thing)))