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Finally took the time to file a Qt5 review: 
https://codereview.qt-project.org/#change,36859

- Aurélien Gâteau


On Sept. 21, 2012, 3:29 p.m., Aurélien Gâteau wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> http://git.reviewboard.kde.org/r/106527/
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> 
> (Updated Sept. 21, 2012, 3:29 p.m.)
> 
> 
> Review request for kdelibs, Plasma, Marco Martin, and David Faure.
> 
> 
> Description
> -------
> 
> QtCreator comes with a handy QML profiler and debugger, but it relies on 
> tricky command-line parsing and #define setup. This patch makes it possible 
> to use it with KDE applications. It does two things:
> 
> 1. Add the "qmljsdebugger" option to the list of qt command-line options, 
> with a hack to ensure it is passed unaltered (as in, using '=' to separate 
> argument from value, rather than ' ')
> 2. Add a static method to KDeclarative to enable the debugger when the 
> "qmljsdebugger" command-line option is defined.
> 
> I am not entirely sure about #2 as it means linking to libkdeclarative even 
> if it is not used (do we expect all KDE apps to use KDeclarative?). The 
> alternative to using it is to tell developers who want to use the QML 
> debugger to add one of the following snippets in their code.
> 
> Either:
> 
>     // Add this snippet in one of your .cpp file.
>     // Me sure it appears before any QDeclarative include.
>     #define QT_DECLARATIVE_DEBUG
>     #include <QtDeclarative/qdeclarativedebug.h>
> 
> or:
> 
>     // Add this include to the file containing your main() function
>     #include <QtDeclarative/qdeclarativedebug.h>
> 
>     // Add this to your main() function.
>     // Make sure it is called before instantiating a QDeclarativeView.
>     QDeclarativeDebuggingEnabler enabler;
> 
> 
> Diffs
> -----
> 
>   experimental/libkdeclarative/kdeclarative.h 5e404c7 
>   experimental/libkdeclarative/kdeclarative.cpp 34383c0 
>   kdecore/kernel/kcmdlineargs.cpp 2da636f 
> 
> Diff: http://git.reviewboard.kde.org/r/106527/diff/
> 
> 
> Testing
> -------
> 
> - Patch plasmoidviewer to call KDeclarative::setupQmlJsDebugger()
> - Run it through qmlprofiler:
> 
>     qmlprofiler plasmoidviewer org.kde.example.widgetgallery
> 
> - Press r<return> (in the terminal) while it is running to start recording
> - Press q<return> to stop recording => application should stop and a file 
> named "plasmoidviewer_$date_$time.qtd" should be created
> - Open Qt Creator, click the "Analyze" sidebar button
> - Right click in the profiler area (bottom right) and select "Load QML Trace"
> - Select the "plasmoidviewer_$date_$time.qtd" file
> 
> 
> Thanks,
> 
> Aurélien Gâteau
> 
>

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