diff options
Diffstat (limited to 'src/gui/kernel/qhighdpiscaling.cpp')
-rw-r--r-- | src/gui/kernel/qhighdpiscaling.cpp | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/gui/kernel/qhighdpiscaling.cpp b/src/gui/kernel/qhighdpiscaling.cpp index a455aa639d..22e46e0851 100644 --- a/src/gui/kernel/qhighdpiscaling.cpp +++ b/src/gui/kernel/qhighdpiscaling.cpp @@ -313,9 +313,12 @@ void QHighDpiScaling::updateHighDpiScaling() } m_active = m_globalScalingActive || m_screenFactorSet || m_pixelDensityScalingActive; - QPlatformScreen *primaryScreen = QGuiApplication::primaryScreen()->handle(); - qreal sf = screenSubfactor(primaryScreen); - QDpi primaryDpi = primaryScreen->logicalDpi(); + QScreen *primaryScreen = QGuiApplication::primaryScreen(); + if (!primaryScreen) + return; + QPlatformScreen *platformScreen = primaryScreen->handle(); + qreal sf = screenSubfactor(platformScreen); + QDpi primaryDpi = platformScreen->logicalDpi(); m_logicalDpi = QDpi(primaryDpi.first / sf, primaryDpi.second / sf); } |