diff options
Diffstat (limited to 'src/gui/kernel/qwindow.cpp')
| -rw-r--r-- | src/gui/kernel/qwindow.cpp | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/src/gui/kernel/qwindow.cpp b/src/gui/kernel/qwindow.cpp index 6e7be2aec2..796a552bcb 100644 --- a/src/gui/kernel/qwindow.cpp +++ b/src/gui/kernel/qwindow.cpp @@ -1187,20 +1187,19 @@ Qt::ScreenOrientation QWindow::contentOrientation() const Common values are 1.0 on normal displays and 2.0 on Apple "retina" displays. \note For windows not backed by a platform window, meaning that create() was not - called, the function will fall back to QGuiApplication::devicePixelRatio() which in - turn returns the highest screen device pixel ratio found on the system. + called, the function will fall back to the associated QScreen's device pixel ratio. - \sa QScreen::devicePixelRatio(), QGuiApplication::devicePixelRatio() + \sa QScreen::devicePixelRatio() */ qreal QWindow::devicePixelRatio() const { Q_D(const QWindow); - // If there is no platform window use the app global devicePixelRatio, - // which is the the highest devicePixelRatio found on the system - // screens, and will be correct for single-display systems (a very common case). + // If there is no platform window use the associated screen's devicePixelRatio, + // which typically is the primary screen and will be correct for single-display + // systems (a very common case). if (!d->platformWindow) - return qApp->devicePixelRatio(); + return screen()->devicePixelRatio(); return d->platformWindow->devicePixelRatio() * QHighDpiScaling::factor(this); } |