diff options
-rw-r--r-- | src/gui/kernel/qguiapplication.cpp | 11 | ||||
-rw-r--r-- | src/gui/kernel/qscreen_p.h | 3 |
2 files changed, 11 insertions, 3 deletions
diff --git a/src/gui/kernel/qguiapplication.cpp b/src/gui/kernel/qguiapplication.cpp index dc5501eaf5..928d0cddc9 100644 --- a/src/gui/kernel/qguiapplication.cpp +++ b/src/gui/kernel/qguiapplication.cpp @@ -2578,9 +2578,14 @@ void QGuiApplicationPrivate::reportRefreshRateChange(QWindowSystemInterfacePriva return; QScreen *s = e->screen.data(); - s->d_func()->refreshRate = e->rate; - - emit s->refreshRateChanged(s->refreshRate()); + qreal rate = e->rate; + // safeguard ourselves against buggy platform behavior... + if (rate < 1.0) + rate = 60.0; + if (!qFuzzyCompare(s->d_func()->refreshRate, rate)) { + s->d_func()->refreshRate = rate; + emit s->refreshRateChanged(s->refreshRate()); + } } void QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent *e) diff --git a/src/gui/kernel/qscreen_p.h b/src/gui/kernel/qscreen_p.h index cdb923c429..53d4f3404a 100644 --- a/src/gui/kernel/qscreen_p.h +++ b/src/gui/kernel/qscreen_p.h @@ -64,6 +64,9 @@ public: availableGeometry = platformScreen->availableGeometry(); logicalDpi = platformScreen->logicalDpi(); refreshRate = platformScreen->refreshRate(); + // safeguard ourselves against buggy platform behavior... + if (refreshRate < 1.0) + refreshRate = 60.0; updatePrimaryOrientation(); |