GNU bug report logs - #13224
24.3.50; [PATCH] Variable `icomplete-prospects-height' is no longer honored

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From: Wesley Dawson <whd <at> lavabit.com>
To: 13224 <at> debbugs.gnu.org
Subject: bug#13224: 24.3.50; [PATCH] Variable `icomplete-prospects-height' is no longer honored
Date: Tue, 18 Dec 2012 21:41:13 -0800

[Message part 1 (text/plain, inline)]

M-x icomplete-mode
M-x set-variable icomplete-prospects-height 1
M-x a
(the candidates list takes up two lines in the minibuffer)

Here's a patch to make icomplete honor `icomplete-prospects-height'
again, which it hasn't since the introduction of `icomplete-separator'
(revno: 111031).

About formatting: the source appears to mix tabs and spaces for
indentation quite freely; I didn't attempt to fix this and went with
what emacs -Q did for formatting.

  * lisp/icomplete.el (icomplete-completions): Fix to honor
    `icomplete-prospects-height' again.

[patch.diff (text/x-patch, inline)]

=== modified file 'lisp/icomplete.el'
--- lisp/icomplete.el	2012-12-17 19:43:55 +0000
+++ lisp/icomplete.el	2012-12-19 04:25:35 +0000
@@ -343,8 +343,10 @@
 				(t (concat "…" (substring most compare))))
 			       close-bracket)))
 	     ;;"-prospects" - more than one candidate
-	     (prospects-len (+ (length determ) 6 ;; take {,...} into account
-                               (string-width (buffer-string))))
+	     (prospects-len (+ (length determ)
+			       (string-width icomplete-separator)
+			       3 ;; take {…} into account
+			       (string-width (buffer-string))))
              (prospects-max
               ;; Max total length to use, including the minibuffer content.
               (* (+ icomplete-prospects-height
@@ -375,7 +377,9 @@
 	    (cond ((string-equal comp "") (setq most-is-exact t))
 		  ((member comp prospects))
 		  (t (setq prospects-len
-                           (+ (string-width comp) 1 prospects-len))
+                           (+ (string-width comp)
+			      (string-width icomplete-separator)
+			      prospects-len))
 		     (if (< prospects-len prospects-max)
 			 (push comp prospects)
 		       (setq limit t))))))

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