[Interest] Qt debugging techniques?
rich at kde.org
Sat Feb 15 16:42:51 CET 2014
A few useful things:
You can set the QT_FLUSH_PAINT environment variable to see which parts of
your widgets are getting repainted.
You can set the QT_DEBUG_PLUGINS environment variable to see what's
happening when Qt loads plugins (E.g. image formats)
You can view all the requests passing through QNetworkAccessManager as
You can get the details of what Qt sees when connecting to an SSL server as
detailed here http://blogs.kde.org/2011/01/09/getting-details-ssl-connection
You can make your SSL traffic decryptable by wireshark as detailed here
Also many of Qt's subsystems have defines that can be enabled at build time
to dump information about what they're doing as debug messages.
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