From 1255dfe678cb6b4d1aed62db4b97ccec6232db0a Mon Sep 17 00:00:00 2001 From: Colin Walters Date: Mon, 4 Feb 2002 03:57:35 +0000 Subject: [PATCH] (define-ibuffer-column): Add beginnings of support for a summary column. --- lisp/ibuf-macs.el | 22 +++++++++++++++++++--- 1 file changed, 19 insertions(+), 3 deletions(-) diff --git a/lisp/ibuf-macs.el b/lisp/ibuf-macs.el index 3e026de2a08..6ef83594e0c 100644 --- a/lisp/ibuf-macs.el +++ b/lisp/ibuf-macs.el @@ -71,7 +71,8 @@ During evaluation of body, bind `it' to the value returned by TEST." ;; (put 'ibuffer-save-marks 'lisp-indent-function 0) ;;;###autoload -(defmacro* define-ibuffer-column (symbol (&key name inline props) &rest body) +(defmacro* define-ibuffer-column (symbol (&key name inline props + summarizer) &rest body) "Define a column SYMBOL for use with `ibuffer-formats'. BODY will be called with `buffer' bound to the buffer object, and @@ -81,7 +82,9 @@ will be `buffer'. If NAME is given, it will be used as a title for the column. Otherwise, the title will default to a capitalized version of the SYMBOL's name. PROPS is a plist of additional properties to add to -the text, such as `mouse-face'. +the text, such as `mouse-face'. And SUMMARIZER, if given, is a +function which will be passed a list of all the strings in its column; +it should return a string to display at the bottom. Note that this macro expands into a `defun' for a function named ibuffer-make-column-NAME. If INLINE is non-nil, then the form will be @@ -90,8 +93,14 @@ change its definition, you should explicitly call `ibuffer-recompile-formats'." (let* ((sym (intern (concat "ibuffer-make-column-" (symbol-name symbol)))) - (bod-1 `(with-current-buffer buffer + (bod-2 `(with-current-buffer buffer ,@body)) + (bod-1 (if summarizer + `(car + (push ,bod-2 + ,(intern (format "ibuffer-summary-for-column-%s" + name)))) + bod-2)) (bod (if props `(propertize ,bod-1 @@ -106,6 +115,13 @@ change its definition, you should explicitly call ,(if (stringp name) name (capitalize (symbol-name symbol)))) + ,(if summarizer + `(put (quote ,sym) 'ibuffer-column-summarizer + (quote ,summarizer))) + ,(if summarizer + `(defvar ,(intern (format "ibuffer-summary-for-column-%s" + name)) + nil)) :autoload-end))) ;; (put 'define-ibuffer-column 'lisp-indent-function 'defun) -- 2.39.2