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Make whitespace-injection more robust

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+ No longer try to affect read-only buffers
+ Only activate if indent-tabs-mode is nil (spaces)
This commit is contained in:
Henrik Lissner
2017-06-16 14:22:05 +02:00
parent 9c9e410898
commit 8f9bd835a5
1 changed files with 14 additions and 13 deletions
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27
core/core-ui.el
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@ -198,10 +198,10 @@ mode is detected.")
buffer so that `highlight-indentation-mode' will display uninterrupted indent buffer so that `highlight-indentation-mode' will display uninterrupted indent
markers. This whitespace is stripped out on save, as not to affect the resulting markers. This whitespace is stripped out on save, as not to affect the resulting
file." file."
(interactive (progn (barf-if-buffer-read-only) (interactive (if (use-region-p)
(if (use-region-p) (list (region-beginning) (region-end))
(list (region-beginning) (region-end)) (list nil nil)))
(list nil nil)))) (barf-if-buffer-read-only)
(unless indent-tabs-mode (unless indent-tabs-mode
(with-silent-modifications (with-silent-modifications
(save-excursion (save-excursion
@ -229,15 +229,16 @@ file."
nil) nil)
(defun doom|init-highlight-indentation () (defun doom|init-highlight-indentation ()
(if (or highlight-indentation-mode highlight-indentation-current-column-mode) (unless (or indent-tabs-mode buffer-read-only)
(progn (if (or highlight-indentation-mode highlight-indentation-current-column-mode)
(doom|inject-trailing-whitespace) (progn
(add-hook 'before-save-hook #'delete-trailing-whitespace nil t) (doom|inject-trailing-whitespace)
(add-hook 'after-save-hook #'doom|inject-trailing-whitespace nil t)) (add-hook 'before-save-hook #'delete-trailing-whitespace nil t)
(remove-hook 'before-save-hook #'delete-trailing-whitespace t) (add-hook 'after-save-hook #'doom|inject-trailing-whitespace nil t))
(remove-hook 'after-save-hook #'doom|inject-trailing-whitespace t) (remove-hook 'before-save-hook #'delete-trailing-whitespace t)
(with-silent-modifications (remove-hook 'after-save-hook #'doom|inject-trailing-whitespace t)
(delete-trailing-whitespace)))) (with-silent-modifications
(delete-trailing-whitespace)))))
(add-hook! (highlight-indentation-mode highlight-indentation-current-column-mode) (add-hook! (highlight-indentation-mode highlight-indentation-current-column-mode)
#'doom|init-highlight-indentation)) #'doom|init-highlight-indentation))