diff options
Diffstat (limited to 'src/corelib/global/qnamespace.qdoc')
| -rw-r--r-- | src/corelib/global/qnamespace.qdoc | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/corelib/global/qnamespace.qdoc b/src/corelib/global/qnamespace.qdoc index 60ce1fc916..3c53a23896 100644 --- a/src/corelib/global/qnamespace.qdoc +++ b/src/corelib/global/qnamespace.qdoc @@ -239,6 +239,17 @@ to mouse events instead. This attribute is enabled by default. This value has been added in Qt 5.7. + \value AA_CompressHighFrequencyEvents Enables compression of certain frequent events. + On the X11 windowing system, the default value is true, which means that + QEvent::MouseMove, QEvent::TouchUpdate, and changes in window size and + position will be combined whenever they occur more frequently than the + application handles them, so that they don't accumulate and overwhelm the + application later. On other platforms, the default is false. + (In the future, the compression feature may be implemented across platforms.) + You can test the attribute to see whether compression is enabled. + If your application needs to handle all events with no compression, + you can unset this attribute. This value has been added in Qt 5.7. + The following values are obsolete: \value AA_ImmediateWidgetCreation This attribute is no longer fully |