diff options
Diffstat (limited to 'src/gui/kernel/qevent.cpp')
| -rw-r--r-- | src/gui/kernel/qevent.cpp | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/gui/kernel/qevent.cpp b/src/gui/kernel/qevent.cpp index 28666085a7..88f132b877 100644 --- a/src/gui/kernel/qevent.cpp +++ b/src/gui/kernel/qevent.cpp @@ -709,6 +709,12 @@ QWheelEvent::QWheelEvent(const QPointF &pos, const QPointF& globalPos, Example: \snippet code/src_gui_kernel_qevent.cpp 0 + + \note On platforms that support scrolling \l{phase()}{phases}, the delta may be null when: + \list + \li scrolling is about to begin, but the distance did not yet change (Qt::ScrollBegin), + \li or scrolling has ended and the distance did not change anymore (Qt::ScrollEnd). + \endlist */ /*! @@ -731,6 +737,12 @@ QWheelEvent::QWheelEvent(const QPointF &pos, const QPointF& globalPos, Example: \snippet code/src_gui_kernel_qevent.cpp 0 + + \note On platforms that support scrolling \l{phase()}{phases}, the delta may be null when: + \list + \li scrolling is about to begin, but the distance did not yet change (Qt::ScrollBegin), + \li or scrolling has ended and the distance did not change anymore (Qt::ScrollEnd). + \endlist */ /*! @@ -830,6 +842,9 @@ QWheelEvent::QWheelEvent(const QPointF &pos, const QPointF& globalPos, \since 5.2 Returns the scrolling phase of this wheel event. + + \note The Qt::ScrollBegin and Qt::ScrollEnd phases are currently + supported only on Mac OS X. */ |