(iswitchb-cannot-complete-hook): New variable to

control behaviour when no further completion is possible.

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index b5b244a4e61348049481f47b727f093e42b67af6..32a3c1eec6ab381123852244cf0b5fc597bea0a2 100644 (file)
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,8 @@
+2001-11-18  Stephen Eglen  <stephen@gnu.org>
+
+       * iswitchb.el (iswitchb-cannot-complete-hook): New variable to
+       control behaviour when no further completion is possible.
+
 2001-11-19  Colin Walters  <walters@verbum.org>
 
        * calc/calc-macs.el (calc-wrapper, calc-slow-wrapper)

diff --git a/lisp/iswitchb.el b/lisp/iswitchb.el
index 9e1b80e8f2e6744568d901bede3e6985a96af34a..74aa20850824f46bc1bf8116448ef9372cb0ba66 100644 (file)
--- a/lisp/iswitchb.el
+++ b/lisp/iswitchb.el
@@ -271,6 +271,14 @@ example functions that filter buffernames."
   :type '(repeat regexp)
   :group 'iswitchb)
 
+(defcustom iswitchb-cannot-complete-hook 'iswitchb-completion-help
+  "*Hook run when `iswitchb-complete' can't complete any more.
+The most useful values are `iswitchb-completion-help', which pops up a
+window with completion alternatives, or `iswitchb-next-match' or
+`iswitchb-prev-match', which cycle the buffer list."
+  :type 'hook
+  :group 'iswitchb)
+
 ;;; Examples for setting the value of iswitchb-buffer-ignore
 ;(defun iswitchb-ignore-c-mode (name)
 ;  "Ignore all c mode buffers -- example function for iswitchb."
@@ -632,7 +640,7 @@ The result is stored in `iswitchb-common-match-string'."
   (interactive)
   (let (res)
     (cond ((not  iswitchb-matches)
-          (iswitchb-completion-help))
+          (run-hooks 'iswitchb-cannot-complete-hook))
          
          ((= 1 (length iswitchb-matches))
           ;; only one choice, so select it.
@@ -649,7 +657,7 @@ The result is stored in `iswitchb-common-match-string'."
                 (delete-region (minibuffer-prompt-end) (point))
                 (insert  res))
             ;; else nothing to complete
-            (iswitchb-completion-help)
+            (run-hooks 'iswitchb-cannot-complete-hook)
             )))))
 
 ;;; TOGGLE FUNCTIONS