QScrollEvent Class
The QScrollEvent class is sent when scrolling. More...
| Header: | #include <QScrollEvent> |
| qmake: | QT += gui |
| Since: | Qt 4.8 |
| Inherits: | QEvent |
This class was introduced in Qt 4.8.
Public Types
| enum | ScrollState { ScrollStarted, ScrollUpdated, ScrollFinished } |
Detailed Description
The scroll event is sent to indicate that the receiver should be scrolled. Usually the receiver should be something visual like QWidget or QGraphicsObject.
Some care should be taken that no conflicting QScrollEvents are sent from two sources. Using QScroller::scrollTo is save however.
See also QScrollPrepareEvent and QScroller.
Member Type Documentation
enum QScrollEvent::ScrollState
This enum describes the states a scroll event can have.
| Constant | Value | Description |
|---|---|---|
QScrollEvent::ScrollStarted | 0 | Set for the first scroll event of a scroll activity. |
QScrollEvent::ScrollUpdated | 1 | Set for all but the first and the last scroll event of a scroll activity. |
QScrollEvent::ScrollFinished | 2 | Set for the last scroll event of a scroll activity. |
See also QScrollEvent::scrollState().