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annotate .elisp/settings/80.fill-paragraph.el @ 475:f08193904d93

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emacs: enable rustfmt on save
author Augie Fackler <raf@durin42.com>
date Fri, 01 Feb 2019 22:54:46 -0500
parents 887566d21cd8
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
383
887566d21cd8 fill-paragraph: steal kf-fill-paragraph from kfogel
Augie Fackler <raf@durin42.com>
parents:
diff changeset
1 (defun kf-fill-paragraph (&optional justify)
887566d21cd8 fill-paragraph: steal kf-fill-paragraph from kfogel
Augie Fackler <raf@durin42.com>
parents:
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2 "Like fill-paragraph, but don't mark the buffer as modified if no change.
887566d21cd8 fill-paragraph: steal kf-fill-paragraph from kfogel
Augie Fackler <raf@durin42.com>
parents:
diff changeset
3
887566d21cd8 fill-paragraph: steal kf-fill-paragraph from kfogel
Augie Fackler <raf@durin42.com>
parents:
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4 Emacs's native fill-paragraph is like the burglar who breaks into
887566d21cd8 fill-paragraph: steal kf-fill-paragraph from kfogel
Augie Fackler <raf@durin42.com>
parents:
diff changeset
5 your house, rearranges all your furniture exactly as it was, and
887566d21cd8 fill-paragraph: steal kf-fill-paragraph from kfogel
Augie Fackler <raf@durin42.com>
parents:
diff changeset
6 departs: even if the result of the fill is to leave the buffer in
887566d21cd8 fill-paragraph: steal kf-fill-paragraph from kfogel
Augie Fackler <raf@durin42.com>
parents:
diff changeset
7 exactly the same state, it still marks the buffer as modified so you
887566d21cd8 fill-paragraph: steal kf-fill-paragraph from kfogel
Augie Fackler <raf@durin42.com>
parents:
diff changeset
8 know you've been broken into.
887566d21cd8 fill-paragraph: steal kf-fill-paragraph from kfogel
Augie Fackler <raf@durin42.com>
parents:
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9
887566d21cd8 fill-paragraph: steal kf-fill-paragraph from kfogel
Augie Fackler <raf@durin42.com>
parents:
diff changeset
10 Note: to get this accepted into Emacs, it should watch the md5sum for
887566d21cd8 fill-paragraph: steal kf-fill-paragraph from kfogel
Augie Fackler <raf@durin42.com>
parents:
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11 just the affected region rather than the entire buffer. See
887566d21cd8 fill-paragraph: steal kf-fill-paragraph from kfogel
Augie Fackler <raf@durin42.com>
parents:
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12 `fill-region' and `fill-region-as-paragraph' in textmodes/fill.el.
887566d21cd8 fill-paragraph: steal kf-fill-paragraph from kfogel
Augie Fackler <raf@durin42.com>
parents:
diff changeset
13 The elegant solution would be a new macro, '(detect-buffer-unmodified
887566d21cd8 fill-paragraph: steal kf-fill-paragraph from kfogel
Augie Fackler <raf@durin42.com>
parents:
diff changeset
14 from to)' or something, that just wraps the relevant body of code in
887566d21cd8 fill-paragraph: steal kf-fill-paragraph from kfogel
Augie Fackler <raf@durin42.com>
parents:
diff changeset
15 those two functions. Then it could be used by other fill functions
887566d21cd8 fill-paragraph: steal kf-fill-paragraph from kfogel
Augie Fackler <raf@durin42.com>
parents:
diff changeset
16 easily too."
887566d21cd8 fill-paragraph: steal kf-fill-paragraph from kfogel
Augie Fackler <raf@durin42.com>
parents:
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17 (interactive "P")
887566d21cd8 fill-paragraph: steal kf-fill-paragraph from kfogel
Augie Fackler <raf@durin42.com>
parents:
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18 (let ((orig-md5sum (md5 (current-buffer)))
887566d21cd8 fill-paragraph: steal kf-fill-paragraph from kfogel
Augie Fackler <raf@durin42.com>
parents:
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19 (was-modified-before-fill (buffer-modified-p)))
887566d21cd8 fill-paragraph: steal kf-fill-paragraph from kfogel
Augie Fackler <raf@durin42.com>
parents:
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20 (fill-paragraph justify)
887566d21cd8 fill-paragraph: steal kf-fill-paragraph from kfogel
Augie Fackler <raf@durin42.com>
parents:
diff changeset
21 (let ((new-md5sum (md5 (current-buffer))))
887566d21cd8 fill-paragraph: steal kf-fill-paragraph from kfogel
Augie Fackler <raf@durin42.com>
parents:
diff changeset
22 (when (string-equal orig-md5sum new-md5sum)
887566d21cd8 fill-paragraph: steal kf-fill-paragraph from kfogel
Augie Fackler <raf@durin42.com>
parents:
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23 (set-buffer-modified-p was-modified-before-fill)))))
887566d21cd8 fill-paragraph: steal kf-fill-paragraph from kfogel
Augie Fackler <raf@durin42.com>
parents:
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24
887566d21cd8 fill-paragraph: steal kf-fill-paragraph from kfogel
Augie Fackler <raf@durin42.com>
parents:
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25 (if (eq (key-binding "\M-q") 'fill-paragraph)
887566d21cd8 fill-paragraph: steal kf-fill-paragraph from kfogel
Augie Fackler <raf@durin42.com>
parents:
diff changeset
26 (global-set-key "\M-q" 'kf-fill-paragraph))