Check if current user undoing/redoing?












3














Is there a way so that the Emacs are able to tell if the current user is undoing/redoing in the current buffer?



Here is the task I want to accomplish, I have add a hook to after-change-function, it all works out great exclusive of when I hit undo/redo this hook get called too. And this is what I want to avoid... Is there other way to get around this issue?






hooks undo







share|improve this question




















  • 2




    Welcome. Can you give an example of what you are trying to use this for?
    – Andrew Swann
    Dec 2 '18 at 12:04
















3














Is there a way so that the Emacs are able to tell if the current user is undoing/redoing in the current buffer?



Here is the task I want to accomplish, I have add a hook to after-change-function, it all works out great exclusive of when I hit undo/redo this hook get called too. And this is what I want to avoid... Is there other way to get around this issue?






hooks undo







share|improve this question




















  • 2




    Welcome. Can you give an example of what you are trying to use this for?
    – Andrew Swann
    Dec 2 '18 at 12:04














3












3








3


2





Is there a way so that the Emacs are able to tell if the current user is undoing/redoing in the current buffer?



Here is the task I want to accomplish, I have add a hook to after-change-function, it all works out great exclusive of when I hit undo/redo this hook get called too. And this is what I want to avoid... Is there other way to get around this issue?






hooks undo







share|improve this question















Is there a way so that the Emacs are able to tell if the current user is undoing/redoing in the current buffer?



Here is the task I want to accomplish, I have add a hook to after-change-function, it all works out great exclusive of when I hit undo/redo this hook get called too. And this is what I want to avoid... Is there other way to get around this issue?






hooks undo




hooks undo






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Dec 2 '18 at 14:52









Drew

46.9k462104




46.9k462104










asked Dec 2 '18 at 11:56









Jen-Chieh Shen

163




163








  • 2




    Welcome. Can you give an example of what you are trying to use this for?
    – Andrew Swann
    Dec 2 '18 at 12:04














  • 2




    Welcome. Can you give an example of what you are trying to use this for?
    – Andrew Swann
    Dec 2 '18 at 12:04








2




2




Welcome. Can you give an example of what you are trying to use this for?
– Andrew Swann
Dec 2 '18 at 12:04




Welcome. Can you give an example of what you are trying to use this for?
– Andrew Swann
Dec 2 '18 at 12:04










1 Answer
1






active

oldest

votes


















5














C-hv undo-in-progress



Documentation:

Non-nil while performing an undo.

Some change-hooks test this variable to do something different.


Bearing in mind that "redoing" is really still "undoing" in Emacs, this ought to cover all cases.






share|improve this answer





















  • Thank you! This solved the issue!
    – Jen-Chieh Shen
    Dec 2 '18 at 12:46






  • 1




    @Jen-ChiehShen : please upvote and accept the answer if it resolves the problem. Thanks!
    – Dan♦
    Dec 2 '18 at 12:57











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1 Answer
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1 Answer
1






active

oldest

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active

oldest

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active

oldest

votes









5














C-hv undo-in-progress



Documentation:

Non-nil while performing an undo.

Some change-hooks test this variable to do something different.


Bearing in mind that "redoing" is really still "undoing" in Emacs, this ought to cover all cases.






share|improve this answer





















  • Thank you! This solved the issue!
    – Jen-Chieh Shen
    Dec 2 '18 at 12:46






  • 1




    @Jen-ChiehShen : please upvote and accept the answer if it resolves the problem. Thanks!
    – Dan♦
    Dec 2 '18 at 12:57
















5














C-hv undo-in-progress



Documentation:

Non-nil while performing an undo.

Some change-hooks test this variable to do something different.


Bearing in mind that "redoing" is really still "undoing" in Emacs, this ought to cover all cases.






share|improve this answer





















  • Thank you! This solved the issue!
    – Jen-Chieh Shen
    Dec 2 '18 at 12:46






  • 1




    @Jen-ChiehShen : please upvote and accept the answer if it resolves the problem. Thanks!
    – Dan♦
    Dec 2 '18 at 12:57














5












5








5






C-hv undo-in-progress



Documentation:

Non-nil while performing an undo.

Some change-hooks test this variable to do something different.


Bearing in mind that "redoing" is really still "undoing" in Emacs, this ought to cover all cases.






share|improve this answer












C-hv undo-in-progress



Documentation:

Non-nil while performing an undo.

Some change-hooks test this variable to do something different.


Bearing in mind that "redoing" is really still "undoing" in Emacs, this ought to cover all cases.







share|improve this answer












share|improve this answer



share|improve this answer










answered Dec 2 '18 at 12:33









phils

25.9k23566




25.9k23566












  • Thank you! This solved the issue!
    – Jen-Chieh Shen
    Dec 2 '18 at 12:46






  • 1




    @Jen-ChiehShen : please upvote and accept the answer if it resolves the problem. Thanks!
    – Dan♦
    Dec 2 '18 at 12:57


















  • Thank you! This solved the issue!
    – Jen-Chieh Shen
    Dec 2 '18 at 12:46






  • 1




    @Jen-ChiehShen : please upvote and accept the answer if it resolves the problem. Thanks!
    – Dan♦
    Dec 2 '18 at 12:57
















Thank you! This solved the issue!
– Jen-Chieh Shen
Dec 2 '18 at 12:46




Thank you! This solved the issue!
– Jen-Chieh Shen
Dec 2 '18 at 12:46




1




1




@Jen-ChiehShen : please upvote and accept the answer if it resolves the problem. Thanks!
– Dan♦
Dec 2 '18 at 12:57




@Jen-ChiehShen : please upvote and accept the answer if it resolves the problem. Thanks!
– Dan♦
Dec 2 '18 at 12:57


















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