getting QWT to work with QTcreator

[mobucl]

Hi, This is my first post and im very new to QT and C++ so please consider this.

I have used QT creator for a while now to create some small example programs but now i would like to install QWT to use with it. I know there are a lot of posts regarding this but they are not clear and there seems to be many methods which i have tried but cant get to work.

This is what i have done so far based on information from a few different posts:

1. installed the qt SDK 2010.05 from the qt.nokia website
2. downloaded qwt-6.0.0-rc5.zip
3. extracted the zip to C:\Qt\2010.05\qt\qwt-6.0.0-rc5
4. using the QT command prompt i navigate to this folder and use:
qmake.exe qwt.pro -spec win32-g++ -r CONFIG+=release
mingw32-make release
5. copy libqwt_designer_plugin.a and qwt_designer_plugin.dll
from: C:\Qt\2010.05\qt\qwt-6.0.0-rc5\designer\plugins\designer
to C:\Qt\2010.05\qt\plugins\designer
6. copy libqwt.a and libqwtmathml.a
from C:\Qt\2010.05\qt\qwt-6.0.0-rc5\lib
to C:\Qt\2010.05\qt\lib
7. copy qwtmathml.dll and qwt.dll
from C:\Qt\2010.05\qt\qwt-6.0.0-rc5\lib
to C:\Qt\2010.05\qt\bin

now when i run designer i get 11 qwt widgets (such as QwtPlot). Now i am not sure if all the steps i have here are needed and if 11 QWT widgets is what i should get but at least this works. The problem is that i cannot now figure how to get these widgets to appear in qtcreator.

If someone can please explain the next couple of steps it would be very much appreciated.

Thanks

mobucl

[marcvanriet]

Hi,

What is the path of QtCreator ?

I got it to work only when I put the following files in my_qtcreator_dir\bin\designer :
- qwt_designer_lugin5.dll
- qwt_designer_lugin5.exp
- qwt_designer_lugin5.lib

I'm not sure if these have to be build using the same compiler as what your QtCreator is build with. I build it with the Microsoft compiler, can send you the files if you like. Think I have an older release of Qwt though.

Best regards,
Marc

[mobucl]

Hi Marc,

As far as i can see i have no my_qtcreator_dir\bin\designer path. the closest i have is:

C:\Qt\2010.05\share\qtcreator\designer

regarding the files you mention I have similiar:

qwt_designer_plugin.dll

but not the other two.

I tried copying all the file mentioned in my original post into C:\Qt\2010.05\share\qtcreator\designer but that didnt do anything.

Any more ideas???

Thanks

Matt

[marcvanriet]

Hi,

Do you find a qwebview.dll somewhere in your directories ?

That's a plugin that comes standard with Qt. It is put (at least) in the directory where the plugins are supposed to be put.

Best regards,
Marc

[mobucl]

Hi Marc,

I have two folders containing this file:

C:\Qt\2010.05\qt\plugins\designer
C:\Qt\2010.05\bin\designer

The first is the one i mentioned in the otginal post where i copied the qwt_designer_plugin.dll and libqwt_designer_plugin.a to get designer working with qwt.

The second only contained qdeclarativeview.dll and qwebview.dll but to try it our i also copied qwt_designer_plugin.dll and libqwt_designer_plugin.a to this directory but it made no difference....still no qwt in creator...

Thanks

Matt

[Uwe]

When the designer works all you need to do is to take care that the creator is built in the same way as the designer: release/debug, compiler, Qt version.

Uwe

PS: Don't copy files around - use "make install" instead.

[mobucl]

Hi Uwe

Thanks for the reply and the information, however can someone please explain these steps for me, as i said im new to this and im not sure what i should do. I found another thread which describes using qmake on creator:

qmake.exe C:\qt-creator-1.3.1-src\qtcreator.pro -spec win32-g++ -r CONFIG+=release

but i dont seem to have a qtcreator.pro file, maybe because i installed the SDK version of qt?

Can someone then please explain how i complete the release of qtcreator to work with designer/qwt if you have installed the 2010.05 SDK

Thanks

Matt