[ jEdit-devel ] [ jedit-Feature Requests-1574597 ] Undo tracks caret movement

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Feature Requests item #1574597, was opened at 2006-10-10 11:24
Message generated for change (Comment added) made by jpotelle
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Category: core
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: John Potelle (jpotelle)
Assigned to: Nobody/Anonymous (nobody)
Summary: Undo tracks caret movement

Initial Comment:
(based on experiences w/ v4.3pre6)
The undo system should (optionally?) track all caret
movement in conjunction with edits.  When undo is
called, caret movement is also undone, in order, with
edits.  Caret should be positioned so that, after an
edit-undo, the user can immediately start typing again,
without repositioning the caret. For caret movement,
each undo call undoes one caret movement, i.e.
equivalent to the caret movement keystrokes, left,
right, up, down, pgup, pgdn, etc. An(other) option for
the undo system to compress consecutive caret movements
(e.g. 50 consecutive "right"s undone in one UNDO).

Thanks!

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>Comment By: John Potelle (jpotelle)
Date: 2006-10-12 15:00

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Generally, jEdit is too greedy when undoing typing. Rather
than tracking "commands" for undoing, individual keystrokes
along with commands should be tracked. If I type "one two
three four", I want UNDO to un-type one character at a time
for non-white space chars. This, along with my original
feature request above, is how I would like jEdit to behave.
It's fine with me if the default behavior is unchanged (and
I believe it should be unchanged for existing jEdit users);
a user option allowing this alternate behavior would be great!

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Comment By: John Potelle (jpotelle)
Date: 2006-10-12 10:44

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Generally, jEdit is too greedy when undoing typing. Rather
than tracking "commands" for undoing, individual keystrokes
along with commands should be tracked. If I type "one two
three four", I want UNDO to un-type one character at a time
for non-white space chars. This, along with my original
feature request above, is how I would like jEdit to behave.
It's fine with me if the default behavior is unchanged (and
I believe it should be unchanged for existing jEdit users);
a user option allowing this alternate behavior would be great!

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Comment By: John Potelle (jpotelle)
Date: 2006-10-12 10:38

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The caret position is not always restored correctly. Try
this simple test. Open a new buffer, on line 1 type without
mistakes or corrections:
one two three four
Then move the caret to column 1 (home). Then delete the
first word with one keystroke. Now hit UNDO only once. 
Where is your caret? It's not in column 1 and it's not at
the EOL. It's at the 2nd word; a position totally unrelated
to actual caret movement you performed when typing line 1.

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Comment By: Martin Raspe (hertzhaft)
Date: 2006-10-11 09:02

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As far as I see, jEdit *does* set the caret to where the
undone editing happened. If you want to "undo" recent caret
movements, try the "Navigator" plugin.


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Comment By: Kevin Hunter (hunteke)
Date: 2006-10-10 11:42

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I second the idea, but I would emphasize the optional part.
 As I write, I do occasionally use the undo buffer to
compare what I had and what I've got, sometimes beyond the
save point.  

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Comment By: John Potelle (jpotelle)
Date: 2006-10-10 11:27

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Caret movement generated by "search" and "search/replace"
should also be undoable. One UNDO call undoes one "search"
call or "search/replace" call.

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You can respond by visiting: 
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