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Workaround xbus causing X-Plane infinite loop on OSX platforms

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xbus is causing an infinite loop on OSX platforms when using
QApplication. Until this is fixed, default to QCoreApplication.
The impact is no Qt Gui can be used inside a X-Plane plugin. So
this needs to be fixed before swift gui can be bundled into one.

refs #293
This commit is contained in:
Roland Winklmeier
2015-11-10 14:16:17 +01:00
committed by Mathew Sutcliffe
parent 3f686ec017
commit 991f42ca41
1 changed files with 11 additions and 1 deletions
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12
src/xbus/main.cpp
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@@ -16,7 +16,17 @@
#define XPLM_MSG_LIVERY_LOADED 108
#endif
QSharedPointer<QApplication> g_qApp;
// Change QSharedPointer<QCoreApplication> to QSharedPointer<QApplication> below
// in case you want to have Qt Gui components inside a X-Plane plugin. The current
// default was used since QApplication causes an infinite loop in X-Plane on OSX
// platforms. X-Plane is allocating an NSApplication but never calling run(), rather
// it controls the main loop itself and pumps the event Q as needed. This causes
// unusual start conditions for QCocoaEventDispatcher and ends up in the infinite
// loop. Since QCoreApplication is not using QCocoaEventDispatcher it works fine
// and is used as a workaround.
// See https://dev.vatsim-germany.org/issues/293 for more information.
QSharedPointer<QCoreApplication> g_qApp;
XBus::CPlugin *g_plugin;
PLUGIN_API int XPluginStart(char *o_name, char *o_sig, char *o_desc)