diff options
Diffstat (limited to 'src/gui/kernel')
-rw-r--r-- | src/gui/kernel/qwindow.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/gui/kernel/qwindow.cpp b/src/gui/kernel/qwindow.cpp index 13bcc56f95..178b1f51e5 100644 --- a/src/gui/kernel/qwindow.cpp +++ b/src/gui/kernel/qwindow.cpp @@ -2888,7 +2888,12 @@ QPointF QWindow::mapFromGlobal(const QPointF &pos) const // Calculate local position in the native coordinate system. (See comment for the // corresponding mapToGlobal() code above). QPointF nativeGlobalPos = QHighDpi::toNativeGlobalPosition(pos, this); - QPointF nativeWindowGlobalPos = d->platformWindow->mapToGlobal(QPoint(0,0)).toPointF(); + // Get the native window position directly from the platform window + // if available (it can be null if the window hasn't been shown yet), + // or fall back to scaling the QWindow position. + QPointF nativeWindowGlobalPos = d->platformWindow + ? d->platformWindow->mapToGlobal(QPoint(0,0)).toPointF() + : QHighDpi::toNativeGlobalPosition(QPointF(d->globalPosition()), this); QPointF nativeLocalPos = nativeGlobalPos - nativeWindowGlobalPos; QPointF deviceIndependentLocalPos = QHighDpi::fromNativeLocalPosition(nativeLocalPos, this); return deviceIndependentLocalPos; |