From 28fab275033a6b4f8d6e78da0f729837144b0420 Mon Sep 17 00:00:00 2001 From: Shawn Rutledge Date: Fri, 22 Apr 2016 15:30:26 +0200 Subject: add AA_CompressHighFrequencyEvents to control compression on xcb 7edd10e6c added this compression feature, but some applications may need to disable it. [ChangeLog][X11] It's now possible to unset AA_CompressHighFrequencyEvents to disable the new X event compression feature that was added in 5.6.0. This is a replacement for the WA_NoX11EventCompression flag in Qt 4. Task-number: QTBUG-44964 Change-Id: I37a9c8a4831f1c02eda0f03b54125f3255d25500 Reviewed-by: Gatis Paeglis --- src/plugins/platforms/xcb/qxcbconnection.cpp | 3 ++- src/plugins/platforms/xcb/qxcbintegration.cpp | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) (limited to 'src/plugins/platforms/xcb') diff --git a/src/plugins/platforms/xcb/qxcbconnection.cpp b/src/plugins/platforms/xcb/qxcbconnection.cpp index 87b4c7b91f..4b0e94eda0 100644 --- a/src/plugins/platforms/xcb/qxcbconnection.cpp +++ b/src/plugins/platforms/xcb/qxcbconnection.cpp @@ -1713,7 +1713,8 @@ void QXcbConnection::processXcbEvents() continue; } - if (compressEvent(event, i, eventqueue)) + if (Q_LIKELY(QCoreApplication::testAttribute(Qt::AA_CompressHighFrequencyEvents)) && + compressEvent(event, i, eventqueue)) continue; bool accepted = false; diff --git a/src/plugins/platforms/xcb/qxcbintegration.cpp b/src/plugins/platforms/xcb/qxcbintegration.cpp index 703167c0cd..cdbf9b295e 100644 --- a/src/plugins/platforms/xcb/qxcbintegration.cpp +++ b/src/plugins/platforms/xcb/qxcbintegration.cpp @@ -125,6 +125,7 @@ QXcbIntegration::QXcbIntegration(const QStringList ¶meters, int &argc, char , m_defaultVisualId(UINT_MAX) { m_instance = this; + qApp->setAttribute(Qt::AA_CompressHighFrequencyEvents, true); qRegisterMetaType(); #ifdef XCB_USE_XLIB -- cgit v1.2.3