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List: kde-panel-devel
Subject: Re: Review Request: Make it possible to use QtCreator QML profiler and debugger with KDE Application
From: "Aaron J. Seigo" <aseigo () kde ! org>
Date: 2012-09-28 8:26:55
Message-ID: 20120928082655.21367.75269 () vidsolbach ! de
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> On Sept. 26, 2012, 9:16 a.m., Aurélien Gâteau wrote:
> > I pushed the plasmoidviewer changed in and filed a Qt review as well: \
> > https://codereview.qt-project.org/#change,35683
this change was pushed into the KDE/4.9 branch of kdelibs, but not master. not sure \
it should be in the 4.9 branch at all, but at least it is now in master as well.
this is one of the reasons i love having the branch name in the command prompt as i'm \
then always aware of what branch i'm actually in.
- Aaron J.
-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
http://git.reviewboard.kde.org/r/106527/#review19442
-----------------------------------------------------------
On Sept. 21, 2012, 3:29 p.m., Aurélien Gâteau wrote:
>
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> http://git.reviewboard.kde.org/r/106527/
> -----------------------------------------------------------
>
> (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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This is an automatically generated e-mail. To reply, visit:
<a href="http://git.reviewboard.kde.org/r/106527/">http://git.reviewboard.kde.org/r/106527/</a>
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<blockquote style="margin-left: 1em; border-left: 2px solid #d0d0d0; padding-left: \
10px;"> <p style="margin-top: 0;">On September 26th, 2012, 9:16 a.m., <b>Aurélien \
Gâteau</b> wrote:</p> <blockquote style="margin-left: 1em; border-left: 2px solid \
#d0d0d0; padding-left: 10px;"> <pre style="white-space: pre-wrap; white-space: \
-moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: \
break-word;">I pushed the plasmoidviewer changed in and filed a Qt review as well: \
https://codereview.qt-project.org/#change,35683</pre> </blockquote>
</blockquote>
<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: \
-pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">this change was pushed \
into the KDE/4.9 branch of kdelibs, but not master. not sure it should be in the 4.9 \
branch at all, but at least it is now in master as well.
this is one of the reasons i love having the branch name in the command prompt as \
i'm then always aware of what branch i'm actually in.</pre> <br />
<p>- Aaron J.</p>
<br />
<p>On September 21st, 2012, 3:29 p.m., Aurélien Gâteau wrote:</p>
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solid;"> <tr>
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<div>Review request for kdelibs, Plasma, Marco Martin, and David Faure.</div>
<div>By Aurélien Gâteau.</div>
<p style="color: grey;"><i>Updated Sept. 21, 2012, 3:29 p.m.</i></p>
<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Description </h1>
<table width="100%" bgcolor="#ffffff" cellspacing="0" cellpadding="10" \
style="border: 1px solid #b8b5a0"> <tr>
<td>
<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: \
-moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: \
break-word;">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;</pre>
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</tr>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Testing </h1>
<table width="100%" bgcolor="#ffffff" cellspacing="0" cellpadding="10" style="border: \
1px solid #b8b5a0"> <tr>
<td>
<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: \
-moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: \
break-word;">- 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</pre>
</td>
</tr>
</table>
<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
<ul style="margin-left: 3em; padding-left: 0;">
<li>experimental/libkdeclarative/kdeclarative.h <span style="color: \
grey">(5e404c7)</span></li>
<li>experimental/libkdeclarative/kdeclarative.cpp <span style="color: \
grey">(34383c0)</span></li>
<li>kdecore/kernel/kcmdlineargs.cpp <span style="color: grey">(2da636f)</span></li>
</ul>
<p><a href="http://git.reviewboard.kde.org/r/106527/diff/" style="margin-left: \
3em;">View Diff</a></p>
</td>
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