diff options
| -rw-r--r-- | src/gui/kernel/qwidget.cpp | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp index b2ffac712a..481f3235d6 100644 --- a/src/gui/kernel/qwidget.cpp +++ b/src/gui/kernel/qwidget.cpp @@ -10561,11 +10561,16 @@ void QWidget::update() */ void QWidget::update(const QRect &rect) { - if (!isVisible() || !updatesEnabled() || rect.isEmpty()) + if (!isVisible() || !updatesEnabled()) + return; + + QRect r = rect & QWidget::rect(); + + if (r.isEmpty()) return; if (testAttribute(Qt::WA_WState_InPaintEvent)) { - QApplication::postEvent(this, new QUpdateLaterEvent(rect)); + QApplication::postEvent(this, new QUpdateLaterEvent(r)); return; } @@ -10578,9 +10583,9 @@ void QWidget::update(const QRect &rect) #endif // QT_MAC_USE_COCOA QTLWExtra *tlwExtra = window()->d_func()->maybeTopData(); if (tlwExtra && !tlwExtra->inTopLevelResize && tlwExtra->backingStore) - tlwExtra->backingStore->markDirty(rect, this); + tlwExtra->backingStore->markDirty(r, this); } else { - d_func()->repaint_sys(rect); + d_func()->repaint_sys(r); } } |