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From: Neel Patel <[email protected]>
To: Albe Laurenz <[email protected]>
Cc: [email protected] <[email protected]>
Subject: Re: pgAdmin 4 as Web application
Date: Tue, 9 Aug 2016 18:35:44 +0530
Message-ID: <CACCA4P3t7kUrO=7BLUXS03dQjMB385Lrx6JOUfOUjTNdmrPWCQ@mail.gmail.com> (raw)
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Hi,

We already have condition for QUrlQuery class as below. It will be used
only if Qt version is >= 5.0.

#if QT_VERSION >= 0x050000
    // Extract filename and query from encoded URL
    QUrlQuery query_data(reply->url());
    QString file_name = query_data.queryItemValue("filename");
    QString query = query_data.queryItemValue("query");
#else
    QUrl url(reply->url());
    QString file_name = url.queryItemValue("filename");
    QString query = url.queryItemValue("query");
#endif


In your case, it may possible that during qmake - Qt version is detected as
5 but you are compiling against Qt 4 so application is not able to find the
QUrlQuery class.

Can you please share console log and Makefile when you run the qmake
command with project file ?

Thanks,
Neel Patel

On Tue, Aug 9, 2016 at 6:09 PM, Albe Laurenz <[email protected]>
wrote:

> Neel Patel wrote:
> >>      WebViewWindow.h:20:20: error: QWebView: No such file or directory
>
> > From the logs, it looks like - Qt webkit component is missing in Qt4
> installation.
> > Are you building Qt from source, If yes then there will be option in
> configure script to build Qt4
> > with webkit.
> > If you are not using source code, try installing webkit with yum (e.g.
> yum install libqt4-webkit).
>
> I found an appropriate RPM somewhere, now I have a different problem.
>
> I am building with Qt 4.6.2 from RHEL 6, which should be OK according to
> the README,
> but I am failing with
>
> g++ -c -m64 -pipe -I/usr/include/python2.6 -I/usr/include/python2.6 -O2 -g
> -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fstack-protector
> --param=ssp-buffer-size=4 -m64 -mtune=generic -Wall -W -D_REENTRANT
> -DPYTHON2 -DQT_NO_DEBUG -DQT_WEBKIT_LIB -DQT_GUI_LIB -DQT_NETWORK_LIB
> -DQT_CORE_LIB -I/usr/lib64/qt4/mkspecs/linux-g++-64 -I.
> -I/usr/include/QtCore -I/usr/include/QtNetwork -I/usr/include/QtGui
> -I/usr/include/QtWebKit -I/usr/include -I. -I. -o BrowserWindow.o
> BrowserWindow.cpp
> BrowserWindow.cpp: In member function ‘void BrowserWindow::
> unsupportedContent(QNetworkReply*)’:
> BrowserWindow.cpp:446: error: ‘QUrlQuery’ was not declared in this scope
> BrowserWindow.cpp:446: error: expected ‘;’ before ‘query_data’
> BrowserWindow.cpp:447: error: ‘query_data’ was not declared in this scope
> BrowserWindow.cpp: In member function ‘bool BrowserWindow::checkClientDownload(const
> QUrl&, const QNetworkRequest&)’:
> BrowserWindow.cpp:681: error: ‘QUrlQuery’ was not declared in this scope
> BrowserWindow.cpp:681: error: expected ‘;’ before ‘downloadData’
> BrowserWindow.cpp:683: error: ‘downloadData’ was not declared in this scope
> make: *** [BrowserWindow.o] Error 1
>
> The code uses QUrlQuery, but according to http://doc.qt.io/qt-5/
> qurlquery.html
> this class has existed only since 5.0.
>
> Seems to be either a documentation bug (Qt 5 required) or a code bug.
> Can you help?
>
> Yours,
> Laurenz Albe
>


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