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| author | Tor Arne Vestbø <tor.arne.vestbo@qt.io> | 2020-10-13 16:00:59 +0200 |
|---|---|---|
| committer | Tor Arne Vestbø <tor.arne.vestbo@qt.io> | 2020-10-15 15:13:34 +0200 |
| commit | a06b98be0772fe501f66af302ea809079de5ded0 (patch) | |
| tree | 60934d9cef1867387a2a1e808057fd8135ba9727 | |
| parent | 7772c3f9616b7e08edbc648abafe8c86de29a751 (diff) | |
| download | qtdoc-a06b98be0772fe501f66af302ea809079de5ded0.tar.gz | |
doc: Add native event handling docs
Change-Id: Ia862c57a04c0ed978bdcbdfd5cc29b67b5ea59d1
Reviewed-by: Paul Wicking <paul.wicking@qt.io>
| -rw-r--r-- | doc/src/platformintegration/platformintegration.qdoc | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/doc/src/platformintegration/platformintegration.qdoc b/doc/src/platformintegration/platformintegration.qdoc index 54d6b594..7ae5aa06 100644 --- a/doc/src/platformintegration/platformintegration.qdoc +++ b/doc/src/platformintegration/platformintegration.qdoc @@ -76,6 +76,21 @@ this QWindow into a Qt Widget based UI, use the widgets-specific QWidget::createWindowContainer() function. + \section1 Event Handling + + Most event handling use-cases in Qt are sufficiently covered by the cross + platform event delivery, via QWindow::event() and friends, or through + QObject::installEventFilter(). + + In cases where this is not enough, Qt provides access to the delivery of the + native events. A global event filter that receives all native events can be + installed by using QCoreApplication::installNativeEventFilter(), while + per-window native events can be handled in QWindow::nativeEvent(). + + \note Interfering with the native event flow may put Qt in an inconsistent + state. These APIs should primarily be used to augment Qt's existing + event handling, for example for events Qt doesn't handle yet. + \section1 Native Interfaces \section1 Platform Support |