Qt seems to be a C++ library. JNA is not provide facilities to call C++
code, just C code, so you will need to write a C wrapper for the library, in
order to use just plain functions instead of classes and objects and then
use JNA to call the C function.For example:
class A {
public:
int getVal(char b);
}
would become
extern "C" {
int getVal(A *a, char b);
}
You need to actually implement the C like function, not just declare it.
Also be aware that the function names in C can't be overloaded, so you need
to give each function a different name, even if they are overloaded in the
same class.
The same needs to be done for every method, constructor and operator needed.
For a big library like Qt it will be a lot of work.
Other libraries might allow better integration between java and C++ although
generally they generate C/C++ code that you need to compile in every
platform.
Anyway it looks like QtJambi will be available as LGPL so it might be
continue to be supported by the community even that it is not supported
officially by Qt.
Daniel
On Tue, Mar 10, 2009 at 7:07 AM, David Goodenough <
davi...@linkchoose.co.uk> wrote:
I notice that Nokia/Trolltech have announced that 4.5 is to be the last
formally supported version of QtJambi. So the questions is where do
we go for Java support of Qt? It occured to me that JNA might be useable
but I wondered if anyone has actually tried it? If so did it work, and was
it easy to use?
2 messages in net.java.dev.jna.usersRe: [jna-users] Has anyone tried usin...
