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Re: [platform-swt-dev] C++ Toolkit for SWT
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Wow!
That sounds great, Grant Gayed!
Thanks a lot for the link.
Just a few more doubts which I think you being an expert may be able to shed light upon :)
(I am also saving myself going through lengthy docs as well ;) )
Please do help if you know.
1) We have already written a fair amount of code in SWT Java.
Can it be converted into C++ code by some Pure-Native tool?
2) After we have converted SWT Java code to C++ (by tool or manually), we should need only a C++ lib of SWT C++ to link with along with some headers. Is that correct? Please confirm.
Thanks again for the reply.
It really helped me.
Thanks
Techieeeeeeeee
On Thu, Apr 15, 2010 at 8:30 AM,
<var@xxxxxxxxxxxxxxx> wrote:
As mentioned below, the answer is Yes. It's called
SWT C++ and it's a 100% native C++ implementation of SWT. It's produced entirely
from the SWT Java implementation. Basically, it is SWT Java source code compiled
to C++ source code instead of compiled to Java bytecode. It is like another
platform target for SWT: native C++, requiring no JRE and no JNI. It is
feature-for-feature, bug-for-bug, and pixel-accurate to SWT Java. Presently, it
is at SWT version 3.4.1 and only supported for Win32 desktop and Win CE (Pocket
PC and Windows Mobile), and Visual C++ 8.0 (Visual Studio 2005) and 7.1 (Visual
Studio 2003). Visual C++ 9.0 (Visual Studio 2008) support is working but not
released. Other target OS platforms are being considered.
Regarding the use case "such
that even the GUI elements could be coded in C++ only," this is not supported
out-of-the-box, and we have not pursued this ourselves. That being said, by
nature of SWT's design, it should be entirely possible to re-host an SWT
C++ control in a SWT Java control or an Eclipse Workbench part (either a view or
an editor) along with a JNI wrapper for the SWT C++ control. It may even be
possible to do this without changing SWT C++ at all but no guarantees. There's a
good explanation of how to wrap a native Win32 or Motif control as an SWT Java
control along with JNI DLL on the Eclipse Web site. See the headings "Wrapping a Native Widget", "Windows Native Code", and "Motif Native Code" in the following
article:
----- Original Message -----
Sent: Wednesday, April 14, 2010 12:44
PM
Subject: Re: [platform-swt-dev] C++
Toolkit for SWT
First to answer your question,
there is a project at http://www.pure-native.com/ that takes
an SWT release and converts it to C++ for use in C++ apps (note: win32
only). However, if I understand
your question correctly, you'll be writing/re-writing your UI in SWT from
scratch, and you want your app to run as an eclipse plug-in, right? If
so, I would suggest writing your UI using SWT's java implementation.
This will make the integration of your UI into eclipse straight-forward,
and will be cross-platform. You would then use JNI to interact with the
application logic that you want to preserve from your existing C++ app.
Grant
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