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emacs: Retain text properties when toggling buttons

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Previously, we lost any text properties applied to part buttons or
wash buttons when they were toggled because `insert' directly copies
the text properties of the string being inserted.  Fix this by
capturing the properties applied to the button beforehand and
re-applying them after inserting the new text.
This commit is contained in:
Austin Clements 2013-05-29 21:13:44 -04:00 committed by David Bremner
parent 195aaa6232
commit 6bbb91f8b6
2 changed files with 4 additions and 0 deletions
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2
emacs/notmuch-show.el
View file

@ -559,10 +559,12 @@ message at DEPTH in the current thread."
(new-start (button-start button))
(button-label (button-get button :base-label))
(old-point (point))
(properties (text-properties-at (point)))
(inhibit-read-only t))
(overlay-put overlay 'invisible (not show))
(goto-char new-start)
(insert "[ " button-label (if show " ]" " (hidden) ]"))
(set-text-properties new-start (point) properties)
(let ((old-end (button-end button)))
(move-overlay button new-start (point))
(delete-region (point) old-end))

2
emacs/notmuch-wash.el
View file

@ -104,9 +104,11 @@ lower).")
(overlay (button-get cite-button 'overlay))
(button-label (notmuch-wash-button-label overlay))
(old-point (point))
(properties (text-properties-at (point)))
(inhibit-read-only t))
(goto-char new-start)
(insert button-label)
(set-text-properties new-start (point) properties)
(let ((old-end (button-end cite-button)))
(move-overlay cite-button new-start (point))
(delete-region (point) old-end))