[Qt] Draft FreePascal Maemo binding

ik idokan at gmail.com
Thu Jun 10 22:03:29 CEST 2010


Will it also work on MeeGo ?

Ido


On Thu, Jun 10, 2010 at 22:59, Den Jean <Den.Jean at telenet.be> wrote:

> Hi,
>
> I created a Qt binding for the Maemo 5 Qt 4.6.2 (N900 PR 1.2)
>
> * http://users.telenet.be/Jan.Van.hijfte/qtforfpc/maemo5_bin-qt4pas-
> V2.2RC_Qt4.6.2.tar.gz
> *
> http://users.telenet.be/Jan.Van.hijfte/qtforfpc/splitbuild-maemo5_qt4pas-
> V2.2RC_Qt4.6.2.tar.gz
> * http://users.telenet.be/Jan.Van.hijfte/qtforfpc/maemo5_demos-
> V2.2RC_Qt4.6.2.tar.gz
>
> This binding can already be used to create Free Pascal
> Qt4 Maemo5 applications. Screenshot of small included demo:
> http://users.telenet.be/Jan.Van.hijfte/qtforfpc/maemo_qt4.png
>
> However Lazarus LCL/Qt needs some changes to allow for
> Lazarus LCL/Qt Maemo applications
>
> The following screenshot shows a LCL/Qt Maemo sample.
> When the application is run with another style (./project1 -style plastik)
> the application looks identical to the designer representation.
> http://users.telenet.be/Jan.Van.hijfte/qtforfpc/maemo_lcl_qt4.png
>
> Patch for Lazarus:
> http://users.telenet.be/Jan.Van.hijfte/qtforfpc/maemo.diff.txt.tar.gz
>
> The patch accommodates for the following:
>
> * Qt on N900 Maemo5 is compiled w/o support for:
>  - printing
>  - trayicon
>
> * Qt on N900 Maemo is compiled w/o deprecated functions.
>   The following list shows the deprecated functions used by
>   LCL/Qt and their new counterpart.
>  - QRegion_numRects -> QRegion_rectCount
>  - QImage_numBytes -> QImage_byteCount
>  - QPaintDevice_numColors -> QPaintDevice_colorCount
>
> I acknowledge that the patch can be considered as
> fairly intrusive, if you know a better way, be my guest.
>
> Detailed instructions are not ready yet for this Release Candidate.
> For the adventurous:
> - the binding can be compiled in scratchbox. It is just Qt C++ code,
>  no need for fpc in scratchbox. Nokia has excellent documentation
>  for the installation of scratchox. After a full installation do a
>  fakeroot apt-get install libqt4-dev
> - copy the library to /opt/usr/lib and make links to /usr/lib ("optify").
> - Strip the library first to shave of some bytes.
> - compilation can be done on the device (fast enough) or using
>  fpc cross compilation outside scratchbox. Add a -dMAEMO5 to
>  ppcarm to enable the maemo specific functions in qt4.pas.
>
> kind regards,
>
> Den Jean
>
>
>
> _______________________________________________
> Qt mailing list
> Qt at lists.lazarus.freepascal.org
> http://lists.lazarus.freepascal.org/mailman/listinfo/qt
>
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