[Libreoffice-bugs] [Bug 136599] New: Create a single undo operation for find & replace

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=136599

            Bug ID: 136599
           Summary: Create a single undo operation for find & replace
           Product: LibreOffice
           Version: 5.0.0.5 release
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Keywords: perf
          Severity: enhancement
          Priority: medium
         Component: Writer
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: ilmari.lauhakangas at libreoffice.org

Futher optimisation opportunity from bug 119286 comment 14

Quote:
"We create a ton of small UNDO objects. Again, a smarter thing to do would be
to create a single UNDO operation."

This "is tricky because there are loops at multiple levels of the call stack,
and it's not clear how the responsibilities are shared across the different
calls."

Perf can be tested like so:
1. Open attachment 144181
2. Disable the automatic spell checking if enabled
3. In the Search for field put "." (a single period)
4. In the Replace with field put "x"
5. Make sure Whole words only is unchecked
6. Click Other Options to expand the dialog, and make sure Regular expressions
is checked
7. Click Replace All

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