diff options
Diffstat (limited to 'src/plugins/platforms/cocoa/qcocoabackingstore.mm')
| -rw-r--r-- | src/plugins/platforms/cocoa/qcocoabackingstore.mm | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/plugins/platforms/cocoa/qcocoabackingstore.mm b/src/plugins/platforms/cocoa/qcocoabackingstore.mm index 5e221ffd8b..3a55e00c48 100644 --- a/src/plugins/platforms/cocoa/qcocoabackingstore.mm +++ b/src/plugins/platforms/cocoa/qcocoabackingstore.mm @@ -97,4 +97,16 @@ void QCocoaBackingStore::resize(const QSize &size, const QRegion &) [static_cast<QNSView *>(m_cocoaWindow->m_contentView) setImage:m_image]; } +bool QCocoaBackingStore::scroll(const QRegion &area, int dx, int dy) +{ + extern void qt_scrollRectInImage(QImage &img, const QRect &rect, const QPoint &offset); + QPoint qpoint(dx, dy); + const QVector<QRect> qrects = area.rects(); + for (int i = 0; i < qrects.count(); ++i) { + const QRect &qrect = qrects.at(i); + qt_scrollRectInImage(*m_image, qrect, qpoint); + } + return true; +} + QT_END_NAMESPACE |