From: teranisi <teranisi>
Date: Tue, 7 May 2002 03:51:10 +0000 (+0000)
Subject: * wl-summary.el (wl-summary-line-open-bracket): Abolished.
X-Git-Tag: elmo-mark-root~155
X-Git-Url: http://git.chise.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=527a3bfc7a6e9f06009e56546b5972d042bcd8f2;p=elisp%2Fwanderlust.git

* wl-summary.el (wl-summary-line-open-bracket): Abolished.
(wl-summary-line-close-bracket): Ditto.
(wl-summary-line-children-number): Ditto.
(wl-summary-line-thread-indent): Ditto.
(wl-summary-line-children-and-from): Ditto.

* wl-vars.el (wl-summary-line-format-spec-alist): Redefine '[', ']',
't', 'c', 'F' and added 'C'.

* wl-util.el (wl-set-string-width): Accept negative value.
(wl-line-parse-format): Added "%number(" and "%)".
---

diff --git a/wl/ChangeLog b/wl/ChangeLog
index 09dd715..0306acd 100644
--- a/wl/ChangeLog
+++ b/wl/ChangeLog
@@ -1,3 +1,17 @@
+2002-05-07  Yuuichi Teranishi  <teranisi@gohome.org>
+
+	* wl-summary.el (wl-summary-line-open-bracket): Abolished.
+	(wl-summary-line-close-bracket): Ditto.
+	(wl-summary-line-children-number): Ditto.
+	(wl-summary-line-thread-indent): Ditto.
+	(wl-summary-line-children-and-from): Ditto.
+
+	* wl-vars.el (wl-summary-line-format-spec-alist): Redefine '[', ']',
+	't', 'c', 'F' and added 'C'.
+
+	* wl-util.el (wl-set-string-width): Accept negative value.
+	(wl-line-parse-format): Added "%number(" and "%)".
+
 2002-05-07  Yoichi NAKAYAMA  <yoichi@eken.phys.nagoya-u.ac.jp>
 
 	* wl-summary.el (wl-summary-line-list-count): Change format of the
diff --git a/wl/wl-summary.el b/wl/wl-summary.el
index 4ba9feb..b7442dd 100644
--- a/wl/wl-summary.el
+++ b/wl/wl-summary.el
@@ -4039,16 +4039,6 @@ If ARG, exit virtual folder."
   (format "%02d" (aref wl-datevec 3)))
 (defun wl-summary-line-minute ()
   (format "%02d" (aref wl-datevec 4)))
-(defun wl-summary-line-open-bracket ()
-  (if wl-thr-linked "<" "["))
-(defun wl-summary-line-close-bracket ()
-  (if wl-thr-linked ">" "]"))
-(defun wl-summary-line-children-number ()
-  (if wl-thr-children-number
-      (concat "+" (int-to-string wl-thr-children-number) ":")
-    ""))
-(defun wl-summary-line-thread-indent ()
-  (or wl-thr-indent-string ""))
 
 (defun wl-summary-line-size ()
   (let ((size (elmo-msgdb-overview-entity-get-size wl-message-entity)))
@@ -4094,11 +4084,6 @@ If ARG, exit virtual folder."
 			     (elmo-msgdb-overview-entity-get-from
 			      wl-message-entity))))
 
-(defun wl-summary-line-children-and-from ()
-  (concat
-   (wl-summary-line-children-number) " "
-   (wl-summary-line-from)))
-
 (defun wl-summary-line-list-count ()
   (let ((folder wl-summary-buffer-folder-name)
 	(sequence) (ml-name) (ml-count) (subject-string))
diff --git a/wl/wl-util.el b/wl/wl-util.el
index 36a913b..db27706 100644
--- a/wl/wl-util.el
+++ b/wl/wl-util.el
@@ -174,35 +174,50 @@ If HACK-ADDRESSES is t, then the strings are considered to be mail addresses,
 ;;(make-obsolete 'wl-set-hash-val 'elmo-set-hash-val)
 
 (defsubst wl-set-string-width (width string)
+  "Make a new string which have specified WIDTH and content of STRING.
+If WIDTH is negative number, padding spaces are added to the head and
+otherwise, padding spaces are added to the tail of the string."
   (static-cond
    ((and (fboundp 'string-width) (fboundp 'truncate-string-to-width)
 	 (not (featurep 'xemacs)))
-    (if (> (string-width string) width)
-	(setq string (truncate-string-to-width string width)))
-    (if (= (string-width string) width)
+    (if (> (string-width string) (abs width))
+	(setq string (truncate-string-to-width string (abs width))))
+    (if (= (string-width string) (abs width))
 	string
-      (concat string
-	      (format (format "%%%ds"
-			      (- width (string-width string)))
-		      " "))))
+      (if (< width 0)
+	  (concat (format (format "%%%ds"
+				  (- (abs width) (string-width string)))
+			  " ")
+		  string)
+	(concat string
+		(format (format "%%%ds"
+				(- (abs width) (string-width string)))
+			" ")))))
    (t
     (elmo-set-work-buf
      (elmo-set-buffer-multibyte default-enable-multibyte-characters)
      (insert string)
-     (if (> (current-column) width)
-	 (if (> (move-to-column width) width)
+     (if (> (current-column) (abs width))
+	 (if (> (move-to-column (abs width)) (abs width))
 	     (progn
 	       (condition-case nil ; ignore error
 		   (backward-char 1)
 		 (error))
-	       (concat (buffer-substring (point-min) (point)) " "))
+	       (if (< width 0)
+		   (concat " " (buffer-substring (point-min) (point)))
+		 (concat (buffer-substring (point-min) (point)) " ")))
 	   (buffer-substring (point-min) (point)))
-       (if (= (current-column) width)
+       (if (= (current-column) (abs width))
 	   string
-	 (concat string
-		 (format (format "%%%ds"
-				 (- width (current-column)))
-			 " "))))))))
+	 (if (< width 0)
+	     (concat (format (format "%%%ds"
+				     (- (abs width) (current-column)))
+			     " ")
+		     string)
+	   (concat string
+		   (format (format "%%%ds"
+				   (- (abs width) (current-column)))
+			   " ")))))))))
 
 (defun wl-mode-line-buffer-identification (&optional id)
   (let ((priorities '(biff plug title)))
@@ -916,8 +931,9 @@ is enclosed by at least one regexp grouping construct."
       newtext)))
 
 (defun wl-line-parse-format (format spec-alist)
-  "Make a formatter from FORMAT and SPEC-ALIST."
-  (let (f spec specs)
+  "Make a formatter from FORMAT and SPEC-ALIST.
+WIDTH is the width of the result string."
+  (let (f spec specs stack)
     (setq f
 	  (with-temp-buffer
 	    (insert format)
@@ -926,20 +942,51 @@ is enclosed by at least one regexp grouping construct."
 	      (cond
 	       ((looking-at "%")
 		(goto-char (match-end 0)))
-	       ((looking-at "\\([0-9]*\\)\\([^0-9]\\)")
-		(setq spec
-		      (if (setq spec (assq (string-to-char (match-string 2))
-					   spec-alist))
-			  (nth 1 spec)
-			(match-string 2)))
-		(unless (string= "" (match-string 1))
-		  (setq spec (list 'wl-set-string-width
-				   (string-to-number (match-string 1))
-				   spec)))
-		(setq specs (cons spec specs))
-		(replace-match "s" 'fixed))))
+	       ((looking-at "\\(-?[0-9]*\\)\\([^0-9]\\)")
+		(cond
+		 ((string= (match-string 2) "(")
+		  (if (zerop (length (match-string 1)))
+		      (error "No number specification for %( line format"))
+		  (push (list 
+			 (match-beginning 0) ; start
+			 (match-end 0)       ; start-content
+			 (string-to-number
+			  (match-string 1))  ; width
+			 specs) ; specs
+			stack)
+		  (setq specs nil))
+		 ((string= (match-string 2) ")")
+		  (let ((entry (pop stack))
+			form)
+		    (unless entry
+		      (error
+		       "No matching %( parenthesis in summary line format"))
+		    (goto-char (car entry)) ; start
+		    (setq form (buffer-substring (nth 1 entry) ; start-content
+						 (- (match-beginning 0) 1)))
+		    (delete-region (car entry) (match-end 0))
+		    (insert "s")
+		    (setq specs
+			  (append
+			   (nth 3 entry)
+			   (list (list 'wl-set-string-width (nth 2 entry)
+				       (append
+					(list 'format form)
+					specs)))))))
+		 (t
+		  (setq spec
+			(if (setq spec (assq (string-to-char (match-string 2))
+					     spec-alist))
+			    (nth 1 spec)
+			  (match-string 2)))
+		  (unless (string= "" (match-string 1))
+		    (setq spec (list 'wl-set-string-width
+				     (string-to-number (match-string 1))
+				     spec)))
+		  (replace-match "s" 'fixed)
+		  (setq specs (append specs (list spec))))))))
 	    (buffer-string)))
-    (append (list 'format f) (nreverse specs))))
+    (append (list 'format f) specs)))
 
 (defmacro wl-line-formatter-setup (formatter format alist)
   (` (let (byte-compile-warnings)
diff --git a/wl/wl-vars.el b/wl/wl-vars.el
index 597b49f..f9a3eba 100644
--- a/wl/wl-vars.el
+++ b/wl/wl-vars.el
@@ -181,14 +181,26 @@ If you don't have multiple e-mail addresses, you don't have to set this."
     (?W (wl-summary-line-day-of-week))
     (?h (wl-summary-line-hour))
     (?m (wl-summary-line-minute))
-    (?\[ (wl-summary-line-open-bracket))
-    (?\] (wl-summary-line-close-bracket))
-    (?t (wl-summary-line-thread-indent))
+    (?\[ (if wl-thr-linked "<" "["))
+    (?\] (if wl-thr-linked ">" "]"))
+    (?t (or wl-thr-indent-string ""))
     (?s (wl-summary-line-subject))
     (?S (wl-summary-line-size))
-    (?c (wl-summary-line-children-number))
+    (?C (if wl-thr-children-number
+	    (concat "[+" (number-to-string wl-thr-children-number) "] ")
+	  (if wl-parent-message-entity
+	      (if wl-thr-linked ">>" ">")
+	    "")))
+    (?c (if wl-thr-children-number
+	    (concat "+" (number-to-string wl-thr-children-number) ":")
+	  " "))
+    (?F (concat
+	 (if wl-thr-children-number
+	     (concat "+" (number-to-string wl-thr-children-number) ":")
+	   "")
+	 " "
+	 (wl-summary-line-from)))
     (?f (wl-summary-line-from))
-    (?F (wl-summary-line-children-and-from))
     (?# (wl-summary-line-list-count)))
   "An alist of format specifications that can appear in summary lines.
 Each element is a list of following:
@@ -196,7 +208,7 @@ Each element is a list of following:
 SPEC is a character for format specification.
 STRING is an expression to get string to insert.")
 
-(defcustom wl-summary-line-format "%M/%D(%W)%h:%m %t%[%17F %] %s"
+(defcustom wl-summary-line-format "%M/%D(%W)%h:%m %t%[%17(%c %f%) %] %s"
   "*A default format string for summary line of Wanderlust.
 It may include any of the following format specifications
 which are replaced by the given information: