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(list-buffers-noselect): Use the display property

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to properly align header-line text with the buffer's contents.
This commit is contained in:
Stefan Monnier 2003-03-17 18:12:42 +00:00
parent f9b3d256db
commit 748a336b92
1 changed files with 26 additions and 11 deletions
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37
lisp/buff-menu.el
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@ -557,9 +557,33 @@ For more information, see the function `buffer-menu'."
(let* ((old-buffer (current-buffer))
(standard-output standard-output)
(mode-end (make-string (- Buffer-menu-mode-width 2) ? ))
(header (concat "CRM " (Buffer-menu-buffer+size "Buffer" "Size")
(header (concat (propertize "CRM " 'face 'fixed-pitch)
(Buffer-menu-buffer+size "Buffer" "Size")
" Mode" mode-end "File\n"))
list desired-point name file mode)
(when Buffer-menu-use-header-line
(let ((spaces
;; FIXME: This is using the settings of the current frame rather
;; than the frame into which the buffer will be displayed.
(/ (+ 0.0 (or (frame-parameter nil 'left-fringe) 0)
(or (if (eq (frame-parameter nil 'vertical-scroll-bars)
'left)
(frame-parameter nil 'scroll-bar-width))
0))
(frame-char-width)))
(pos 0))
;; Turn spaces in the header into stretch specs so they work
;; regardless of the header-line face.
(while (string-match "[ \t]+" header pos)
(setq pos (match-end 0))
(put-text-property (match-beginning 0) pos 'display
;; Assume fixed-size chars
(list 'space :align-to (+ spaces pos))
header))
;; Add the leading space
(setq header (concat (propertize (make-string (floor spaces) ? )
'display (list 'space :width spaces))
header))))
(save-excursion
(set-buffer (get-buffer-create "*Buffer List*"))
(setq buffer-read-only nil)
@ -639,16 +663,7 @@ For more information, see the function `buffer-menu'."
(princ "\n"))
(Buffer-menu-mode)
(when Buffer-menu-use-header-line
(let ((spaces
(/ (+ (or (frame-parameter nil 'left-fringe) 0)
(or (if (eq (frame-parameter nil 'vertical-scroll-bars)
'left)
(frame-parameter nil 'scroll-bar-width))
0))
(frame-char-width))))
(set (make-local-variable 'Buffer-menu-header-line)
(concat (make-string spaces ? ) header)))
(setq header-line-format 'Buffer-menu-header-line))
(setq header-line-format header))
;; DESIRED-POINT doesn't have to be set; it is not when the
;; current buffer is not displayed for some reason.
(and desired-point