[Marble-devel] Re : Qt based widget

[moez gadri]

Hello,

Yes I plan to use Marble or Google Maps (when QtWebKit will be available).
I would like to use one of them as a background of QGraphicScene. 

I tried to compile Marble in my computer (I'm using Visual Studio 2005 with Qt 4.3), and I had the following error:
1- fatal error C1083: Cannot open include file: 'unistd.h': No such file or directory
    I commented the line #include <unistd.h> in the file GeoPolygon.cpp and the problem is resolved

I created a small program to use Marble widget (just the main function)
#include <QApplication>
#include "MarbleWidget.h"

int main(int argc, char *argv[])
{ 
QApplication app(argc, argv); 
MarbleWidget mw;
mw.show();
return app.exec();

}
 
With this code I had the error "c:\marble\marble\src\lib\GeoPoint.h(21) : error C2065: 'M_PI' : undeclared identifier"
 I defined M_PI=3.1415 some where and the problem desapeared and the program compiles well.

but when I tried to execute I had the following runtime error:

QFSFileEngine::open: No file name specified
Cannot open file '', because: No file name specified
QFSFileEngine::open: No file name specified
QFSFileEngine::open: No file name specified
QFSFileEngine::open: No file name specified
QFSFileEngine::open: No file name specified
QFSFileEngine::open: No file name specified
QFSFileEngine::open: No file name specified
QFSFileEngine::open: No file name specified
QFSFileEngine::open: No file name specified
QFSFileEngine::open: No file name specified
Couldn't find any maps! Exiting ... 
The program '[2780] test.exe: Native' has exited with code -1 (0xffffffff).


Apparantly I have to specify a file name. I don't know what is it.


If you permit I have a comment about the instalation process: I was obliged to install cmake  to be able to compile Marble. As a Qt based program, I expected to find a .pro file (so I can use qmake).

Best Regards,
Moez

----- Message d'origine ----
De : Torsten Rahn <torsten.rahn at credativ.de>
À : marble-devel at kde.org
Envoyé le : Mercredi, 24 Octobre 2007, 16h28mn 05s
Objet : Re: [Marble-devel] Qt based widget


Hi,

> It is already has a Qt based widget. I have used it in one of my projects.
> Although I have not completed the module in which marble is used; marble
> widget itself is quite complete and usable.

I'd like to add that right now we don't guarantee a stable API (that's the 
reason for the future tense). A stable API is something we are heading for 
during the upcoming months (maybe sooner than, but no later than KDE 4.1).

In addition to the possibility to use Marble as a widget you can also 
integrate it into an application using either Qt Designer or as a KDE KPart 
(if the application that Marble gets inserted into is a KDE application).

Do you have any plans to use Marble? If so, don't hesitate to ask further 
questions.

Torsten

> > There is an article in
> > http://trolltech.com/company/tt/contents/issue-5/reusing saying that
> > Marble will be a Qt based widget, so it will be easy to integrate it in
> > other applications.
> >
> > Could you, please, give me an indication of when this will be happen?
> >
> > Best regards,
> > Moez
> >
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-- 
 Torsten Rahn

 Tel.: 0 21 61 - 46 43 - 192

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