diff options
| -rw-r--r-- | src/gui/kernel/qwidget_mac.mm | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/src/gui/kernel/qwidget_mac.mm b/src/gui/kernel/qwidget_mac.mm index a19c57b..b3a6aec 100644 --- a/src/gui/kernel/qwidget_mac.mm +++ b/src/gui/kernel/qwidget_mac.mm @@ -3332,21 +3332,24 @@ void QWidgetPrivate::update_sys(const QRegion &rgn) HIViewSetNeedsDisplay(qt_mac_nativeview_for(q), true); // do a complete repaint on overflow. } #else - // Cocoa doesn't do regions, it seems more efficient to just update the bounding rect instead of a potential number of message passes for each rect. - const QRect & boundingRect = rgn.boundingRect(); - // Alien support: get the first native ancestor widget (will be q itself in the non-alien case), // map the coordinates from q space to NSView space and invalidate the rect. QWidget *nativeParent = q->internalWinId() ? q : q->nativeParentWidget(); if (nativeParent == 0) return; - const QRect nativeBoundingRect = QRect( - QPoint(q->mapTo(nativeParent, boundingRect.topLeft())), - QSize(boundingRect.size())); - [qt_mac_nativeview_for(nativeParent) setNeedsDisplayInRect:NSMakeRect(nativeBoundingRect.x(), - nativeBoundingRect.y(), nativeBoundingRect.width(), - nativeBoundingRect.height())]; + QVector<QRect> rects = rgn.rects(); + for (int i = 0; i < rects.count(); ++i) { + const QRect &rect = rects.at(i); + + const QRect nativeBoundingRect = QRect( + QPoint(q->mapTo(nativeParent, rect.topLeft())), + QSize(rect.size())); + + [qt_mac_nativeview_for(nativeParent) setNeedsDisplayInRect:NSMakeRect(nativeBoundingRect.x(), + nativeBoundingRect.y(), nativeBoundingRect.width(), + nativeBoundingRect.height())]; + } #endif } |