diff options
| author | Steve Mokris <smokris@softpixel.com> | 2018-12-08 12:28:02 -0500 |
|---|---|---|
| committer | Steve Mokris <smokris@softpixel.com> | 2018-12-10 01:45:29 +0000 |
| commit | ba304af284f4cbb579d35046c0cf4c1537af0fec (patch) | |
| tree | 4395e4941fb55333b37dd5417797d911925f88d1 /src/gui/kernel/qguiapplication_p.h | |
| parent | b2297e595c43a5986a082c40443576436f8497d0 (diff) | |
Refresh QGuiApplication's devicePixelRatio cache when screens change
Task-number: QTBUG-63548
Change-Id: Id934cda6e15449c00c80a646055899f49580da88
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
Diffstat (limited to 'src/gui/kernel/qguiapplication_p.h')
| -rw-r--r-- | src/gui/kernel/qguiapplication_p.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/gui/kernel/qguiapplication_p.h b/src/gui/kernel/qguiapplication_p.h index 79c1a1c820..a5f3f99a31 100644 --- a/src/gui/kernel/qguiapplication_p.h +++ b/src/gui/kernel/qguiapplication_p.h @@ -311,6 +311,8 @@ public: static void setApplicationState(Qt::ApplicationState state, bool forcePropagate = false); + static void resetCachedDevicePixelRatio(); + protected: virtual void notifyThemeChanged(); bool tryCloseRemainingWindows(QWindowList processedWindows); @@ -330,6 +332,10 @@ private: bool ownGlobalShareContext; static QInputDeviceManager *m_inputDeviceManager; + + // Cache the maximum device pixel ratio, to iterate through the screen list + // only the first time it's required, or when devices are added or removed. + static qreal m_maxDevicePixelRatio; }; Q_GUI_EXPORT uint qHash(const QGuiApplicationPrivate::ActiveTouchPointsKey &k); |