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Handle header line scaling for `org-table-electric-header-mode' 

* lisp/org-table.el (org-table-temp-header-remapping): New variable.
(org-table-set-header-line-format): Scale the header line properly.
(org-table-electric-header-mode): Don't run outside `org-mode'.
This commit is contained in:
Bastien 2020-01-29 17:14:12 +01:00
parent b476ffd266
commit 57721a1cb0
1 changed files with 18 additions and 13 deletions
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31
lisp/org-table.el
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@ -450,24 +450,26 @@ prevents it from hanging Emacs."
;;; Org table electric header minor mode
(defvar org-table-temp-header-line nil)
(defvar org-table-temp-header-remapping nil)
(defun org-table-set-header-line-format ()
"Set the header of table at point as the `header-line-format'.
Assume `org-table-temp-header-line' already stores the previously
existing value of `header-line-format' we might want to restore."
(ignore-errors (require 'face-remap))
(face-remap-remove-relative org-table-temp-header-remapping)
(setq org-table-temp-header-remapping
(face-remap-add-relative 'header-line '(:inherit default)))
(if (org-at-table-p)
(run-with-timer
0 nil
(lambda ()
(let* ((beg (org-table-begin))
(tbeg (if (save-excursion (goto-char beg) (org-at-table-hline-p))
(save-excursion (goto-char beg) (move-beginning-of-line 2) (point))
beg)))
(if (< tbeg (save-excursion (move-to-window-line 0) (point)))
(setq header-line-format
(concat (propertize " " 'display '(space :width left-fringe))
(buffer-substring
tbeg (+ tbeg (- (point-at-eol) (point-at-bol))))))
(setq header-line-format org-table-temp-header-line)))))
(let* ((beg (org-table-begin))
(tbeg (if (save-excursion (goto-char beg) (org-at-table-hline-p))
(save-excursion (goto-char beg) (move-beginning-of-line 2) (point))
beg)))
(if (< tbeg (save-excursion (move-to-window-line 0) (point)))
(setq header-line-format
(concat (propertize " " 'display '(space :width left-fringe))
(buffer-substring
tbeg (+ tbeg (- (point-at-eol) (point-at-bol))))))
(setq header-line-format org-table-temp-header-line)))
(setq header-line-format org-table-temp-header-line)))
(defvar org-table-electric-header-mode nil)
@ -477,10 +479,13 @@ existing value of `header-line-format' we might want to restore."
:global nil
:variable org-table-electric-header-mode
:group 'org-table
(unless (eq major-mode 'org-mode)
(user-error "Cannot turn org table electric mode outside org-mode buffers"))
(if org-table-electric-header-mode
(progn (setq org-table-temp-header-line header-line-format)
(add-hook 'post-command-hook 'org-table-set-header-line-format))
(remove-hook 'post-command-hook 'org-table-set-header-line-format)
(face-remap-remove-relative org-table-temp-header-remapping)
(setq header-line-format org-table-temp-header-line)))