diff options
Diffstat (limited to 'src/gui/kernel/qevent.cpp')
| -rw-r--r-- | src/gui/kernel/qevent.cpp | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/gui/kernel/qevent.cpp b/src/gui/kernel/qevent.cpp index 9626193..8d98223 100644 --- a/src/gui/kernel/qevent.cpp +++ b/src/gui/kernel/qevent.cpp @@ -1080,8 +1080,17 @@ Qt::FocusReason QFocusEvent::reason() const rect() that is the bounding rectangle of that region. Both are provided because many widgets can't make much use of region(), and rect() can be much faster than region().boundingRect(). + + \section1 Automatic Clipping + Painting is clipped to region() during the processing of a paint - event. + event. This clipping is performed by Qt's paint system and is + independent of any clipping that may be applied to a QPainter used to + draw on the paint device. + + As a result, the value returned by QPainter::clipRegion() on + a newly-constructed QPainter will not reflect the clip region that is + used by the paint system. \sa QPainter, QWidget::update(), QWidget::repaint(), QWidget::paintEvent() |