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| author | Laszlo Agocs <laszlo.agocs@theqtcompany.com> | 2015-02-10 16:57:11 +0000 |
|---|---|---|
| committer | The Qt Project <gerrit-noreply@qt-project.org> | 2015-02-10 16:57:11 +0000 |
| commit | 0866680bd904aff4fe2a643a2b81c460cbb99c77 (patch) | |
| tree | 242dae052199994a35f5e68578661175241a0a71 /src/gui/kernel/qguiapplication.cpp | |
| parent | 34ea269b3b173498312b0203d6875ef3b4ba0253 (diff) | |
| parent | fc35f714340d5361231506dfbead132122f59460 (diff) | |
Merge "Merge remote-tracking branch 'origin/5.4' into dev" into refs/staging/dev
Diffstat (limited to 'src/gui/kernel/qguiapplication.cpp')
| -rw-r--r-- | src/gui/kernel/qguiapplication.cpp | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/src/gui/kernel/qguiapplication.cpp b/src/gui/kernel/qguiapplication.cpp index 92be903b41..326d9a7b52 100644 --- a/src/gui/kernel/qguiapplication.cpp +++ b/src/gui/kernel/qguiapplication.cpp @@ -2572,9 +2572,14 @@ 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) |