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List:       kde-core-devel
Subject:    Re: Qt 3.0.0 Beta6 released (fwd)
From:       Shawn Gordon <shawn () thekompany ! com>
Date:       2001-10-01 13:24:11
[Download RAW message or body]

At theKompany we were just struggling with the issue of weather to use QCom 
or Korelib in the new HancomOffice suite and after much review and 
deliberation we decided on Korelib for a number of reasons, a major one 
being that it was more mature by a year.  I'm very glad we did when this 
announcement hit.

We are making some major updates to Korelib currently and recently added 
Python bindings to it.  If you wanted to use QCom, you should find Korelib 
a viable alternative.

At 03:45 AM 10/1/2001, you wrote:
>QCom is gone.
>
>---------- Forwarded message ----------
>Date: Mon, 1 Oct 2001 12:14:16 +0200
>From: info@trolltech.com
>To: qt-interest@trolltech.com
>Subject: Qt 3.0.0 Beta6 released
>
>This is the sixth beta version of Qt 3.0.
>
>This new generation of the Qt application development framework
>contains many new features, improvements and extensions. It also
>includes a significantly improved Qt Designer, and introduces Qt
>Linguist, Qt Assistant and a new multi-platform build tool, 'qmake'.
>
>It is highly unlikely that the Qt API will undergo any significant
>changes before the final release, so we encourage you to begin using
>Qt 3.0 right away.
>
>Detailed information about the modifications and new features for Qt
>3.0 is included in the Online Reference Documentation.  For a brief
>overview, see http://www.trolltech.com/company/announce/30pre.html
>
>One significant change in this beta is the removal of QCom (Qt's
>component model) from the public API.
>
>Previous Qt 3.0 betas introduced a module called QCom that provides a
>COM-like component system. The feedback we received on this module
>during the 3.0 beta phase has been mixed. Many users think this module
>lacks the intuitiveness and compactness that they have learned to
>expect from a Qt API. Therefore, we have made the difficult decision
>to withdraw the QCom API from the Qt 3.0 release. We will continue to
>develop this API until it is evolved enough for our customers, and
>will include the improved version in a later release.
>
>We apologize for any inconvenience the QCom API change has
>caused. This decision was made as part of our ongoing efforts to
>maintain the soundness and quality of Qt.
>
>Please note that the new plugin functionality in 3.0 will still be
>provided. This includes using custom widgets in Qt Designer, as well
>as runtime addition of styles, codecs, SQL drivers, and image format
>handlers. This functionality is now available through a substantially
>simplified API.
>
>Also also note that it will still be convenient to add custom plugin
>capabilities to Qt 3.0 applications, since the new QLibrary class will
>still be available. This class takes care of the low-level,
>platform-dependent issues regarding loading of DLLs and obtaining
>pointers to the functions exported by the DLLs.
>
>Because of our recently increased development team, we have been able
>to realize far more of your requests in this release. Qt 3.0 is a
>great step towards realizing our vision of an ideal cross-platform
>development tool.
>
>The Qt version 3.x series is not binary compatible with the 2.x
>series. This means programs compiled with Qt version 2.x must be
>recompiled to work with Qt 3.0.
>
>Qt 3.0 will be mostly, but not completely, source compatible with the
>Qt 2.x series. See the document "Porting from Qt 2.x to Qt 3.0" in the
>Online Reference Documentation for information on how to port an
>existing Qt 2.x-based program to Qt 3.0. Disclaimer: the guide is not
>entirely complete, so it is possible that you'll discover issues that
>are not yet covered in the documentation.
>
>Because of the many improvements and extensions and the few parts of
>the API which are still being finalized, we expect this beta period to
>last longer than what you are typically used to from Trolltech. Unlike
>previous Qt releases where most of the beta testing was done with
>snapshot releases, this beta is not yet a final release candidate.
>
>The most visible change for long term Qt users is the reworked build
>system. On MS-Windows, unpack the package and start installer.exe; on
>Unix, unpack the package and run ./configure. Compiling and installing
>Qt uses a new utility 'qmake' which we recommend for writing Qt­based
>applications. 'qmake' is the successor of our free software add-on
>'tmake', and is written using Qt rather than Perl. 'qmake' is fully
>compatible with 'tmake'.
>
>To improve maintainaibility between different platforms, all specific
>platform #defines and #includes have been moved out of the Qt sources
>into a platform specific qplatformdefs.h file.  The files are located
>in qt/mkspec/<platform>-<compiler>/qplatformdefs.h. For this beta
>release, the following platforms have been tested:
>
>win32-borland
>win32-msvc
>
>irix-o32
>irix-n32
>irix-g++
>tru64-cxx
>tru64-g++
>solaris-cc
>solaris-g++
>linux-g++
>linux-kcc
>freebsd-g++
>unixware7-g++
>unixware7-cc
>aix-g++
>aix-xlc
>hpux-acc
>hpux-g++
>
>If you test the beta on an an unsupported version of Unix, please
>contact us that we can assist you.
>
>
>How to get the beta release:
>
>Qt Free Edition: Download the .tar.gz archive from
>ftp.trolltech.com. To get better download times, use ftpsearch and
>search for qt-x11-free-3.0.0-beta6.tar.gz to find it on a mirror ftp
>site near you.
>
>Qt Professional Edition, Qt Enterprise Edition: Holders of valid
>licenses should have received an e-mail with instructions on how to
>get the beta. Contact sales@trolltech.com if you are a Professional or
>Enterprise Edition licensee and have not received this e-mail.
>
>
>Any problems encountered with the beta version should be reported to
>qt-bugs@trolltech.com, or to the snapshot-users mailing list.
>
>Qt is a trademark of Trolltech AS.
>
>--
>The Trolls
>
>--
>List archive and information: http://qt-interest.trolltech.com


Regards,

Shawn Gordon
President
theKompany.com
www.thekompany.com
949-713-3276

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