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| author | Andreas Aardal Hanssen <andreas.aardal.hanssen@nokia.com> | 2009-06-03 14:34:58 (GMT) |
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| committer | Andreas Aardal Hanssen <andreas.aardal.hanssen@nokia.com> | 2009-06-09 07:33:01 (GMT) |
| commit | 728179ed60b43187d28c77a2d6930a74a62791d6 (patch) | |
| tree | 9b48a4077f356138ce5c536b06d9cdcda2fe7af3 /doc/src/snippets/code/src_sql_models_qsqlquerymodel.cpp | |
| parent | 1598ef761a8c3f0c9cccf5318e3de30f6c50880f (diff) | |
| download | Qt-728179ed60b43187d28c77a2d6930a74a62791d6.zip Qt-728179ed60b43187d28c77a2d6930a74a62791d6.tar.gz Qt-728179ed60b43187d28c77a2d6930a74a62791d6.tar.bz2 | |
Add QGraphicsItem::itemChangeEnabled().
This function allows the user to disable notifications for item changes.
In QSimpleCanvasItem, all notifications are disabled by default, and
you can enable them one at a time. QGraphicsItem's behavior is to by
default enable all notifications.
A side effect of this change is that I've removed one optimization in
favor of another: by not constructing a QVariant at all when there's no
notification we get maximum performance, at the expense of constructing
it twice if there is a notification.
Diffstat (limited to 'doc/src/snippets/code/src_sql_models_qsqlquerymodel.cpp')
0 files changed, 0 insertions, 0 deletions