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Document %{if-category} in default message pattern

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Commit 15ddb91b introduced %{if-category}, and changed the default
message pattern. Adapt the documentation accordingly.

Change-Id: I1d500122300c4d62171de3607553b3a5a822d4a7
Reviewed-by: Jerome Pasion <jerome.pasion@digia.com>
This commit is contained in:
Kai Koehne 2014-03-13 16:24:08 +01:00 committed by The Qt Project
parent 7fba691110
commit 82fd626ded
1 changed files with 4 additions and 1 deletions
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5
src/corelib/global/qlogging.cpp
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@ -1484,12 +1484,15 @@ void qErrnoWarning(int code, const char *msg, ...)
\c %{if-warning}, \c %{if-critical} or \c %{if-fatal} followed by an \c %{endif}.
What is inside the \c %{if-*} and \c %{endif} will only be printed if the type matches.
Finally, text inside \c %{if-category} ... \c %{endif} is only printed if the category
is not the default one.
Example:
\code
QT_MESSAGE_PATTERN="[%{if-debug}D%{endif}%{if-warning}W%{endif}%{if-critical}C%{endif}%{if-fatal}F%{endif}] %{file}:%{line} - %{message}"
\endcode
The default \a pattern is "%{message}".
The default \a pattern is "%{if-category}%{category}: %{endif}%{message}".
The \a pattern can also be changed at runtime by setting the QT_MESSAGE_PATTERN
environment variable; if both qSetMessagePattern() is called and QT_MESSAGE_PATTERN is