https://bugs.kde.org/show_bug.cgi?id=379443

--- Comment #8 from Thomas Fischer <fisc...@unix-ag.uni-kl.de> ---
Git commit 4b90599f4bb911393679a2e67828e97367502f74 by Thomas Fischer.
Committed on 30/12/2020 at 19:09.
Pushed by thomasfischer into branch 'master'.

Reuse existing FieldLineEdit widgets instead of re-creating them

A problem apparent with bibliographic entries with many co-authors is that
initializing the list of authors in the 'Edit Element' dialog takes long time.
One contributing factor is that a considerable number of QWidget classes get
created, initialized, and later destroyed, only to be created again under
certain conditions.

This commit tries to re-use existing widgets (FieldLineEdit) as far as
possible,
by simply setting a new value to them. Superfluous widgets get destroyed and
new widgets get only created if necessary.

Loading entries with many authors is now faster, although not all performance
issues are resolved.

Cherry-picked from branch 'kbibtex/0.10', commit 6f76692736d33e3d68984ade57e.

M  +9    -2    src/gui/element/elementwidgets.cpp
M  +26   -8    src/gui/field/fieldlistedit.cpp

https://invent.kde.org/office/kbibtex/commit/4b90599f4bb911393679a2e67828e97367502f74

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