43ed09fed5
Instead iterating through all rows to get the number of hidden items, iterate over the hidden items which are fewer items. Also don't create a temporary vector with visible flow positions by remembering the count of hidden items before the working index and adjusting them appropriately which gives a significant performance boost when working with a large data set. [ChangeLog][QtWidgets][QListWidget] Speedup handling of hidden items when working with large data sets Task-number: QTBUG-68977 Change-Id: I599b6e97945c245f02229145baad8363ec2bf2f5 Reviewed-by: Richard Moe Gustavsen <richard.gustavsen@qt.io> |
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| qlistview.pro | ||
| tst_qlistview.cpp | ||