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Diffstat (limited to 'doc/src/porting4-overview.qdoc')
| -rw-r--r-- | doc/src/porting4-overview.qdoc | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/doc/src/porting4-overview.qdoc b/doc/src/porting4-overview.qdoc index b0146a65f6..462f849961 100644 --- a/doc/src/porting4-overview.qdoc +++ b/doc/src/porting4-overview.qdoc @@ -364,4 +364,10 @@ In Qt 4.2 and later, \l{Qt Style Sheets} can be used to implement many common modifications to existing styles, and this may be sufficient for Qt 3 applications. + + \section2 Events + In Qt 3, QCloseEvents were not accepted by default. In Qt 4, + the event handler QWidget::closeEvent() receives QCloseEvents, + and accepts them by default closing the application. To avoid + this, please reimplement QWidget::closeEvent(). */ |