[Kde-bindings] A sample of our subset of QtC

[Richard Dale]

On Friday 10 January 2003 8:20 pm, Adam Treat wrote:
> Richard,
>
> I just wanted to show you an example of our subset of QtC.  This only
> includes the ctors at the moment (not the virtuals) but the important piece
> is the typedef ;)  The inclusion of the typedefs in the xml metadata really
> increases the amount of ctors/methods in QtC.
I'm not quite sure what problem you are solving here. What does that 
'managedObject' instance variable do - why not just return an instance of 
QApplicationGlue and use that? I don't convert any of the methods with HANDLE 
and 'Display *' types because they're X11 specific, and I'm only interested 
in a cross platform api (in java anyway).

'QApplication *' is a C++ type, and I wouldn't have thought you could bracket 
it within an extern "C" {.. } block as you've done below.

-- Richard

>
> #include "qapplication.h"
> class QApplicationGlue: public QApplication
> {
> public:
>
>         void* managedObject;
>         QApplicationGlue (Display* dpy, HANDLE visual, HANDLE cmap):
> QApplication ((Display*)dpy, (HANDLE)visual, (HANDLE)cmap) {}
>         QApplicationGlue (Display* dpy, int argc, char** argv, HANDLE
> visual, HANDLE cmap): QApplication ((Display*)dpy, (int)argc, (char**)argv,
> (HANDLE)visual, (HANDLE)cmap) {}
>         QApplicationGlue (int& argc, char* * argv): QApplication (argc,
> argv) {}
>         QApplicationGlue (int& argc, char** argv, bool GUIenabled):
> QApplication ((int&)argc, (char**)argv, (bool)GUIenabled) {}
>         QApplicationGlue (int& argc, char** argv, QApplication::Type arg1):
> QApplication ((int&)argc, (char**)argv, (QApplication::Type)arg1) {}
> };
>
> extern "C"
> {
>         typedef unsigned long HANDLE;
>         QApplication* new_QApplication3 (void* managedPtr, Display* dpy,
> HANDLE visual, HANDLE cmap)
>         {
>                 QApplicationGlue* glue = new QApplicationGlue
> ((Display*)dpy, (HANDLE)visual, (HANDLE)cmap);
>                 glue->managedObject = managedPtr;
>                 return (QApplication*)glue;
>         }
>
>         QApplication* new_QApplication4 (void* managedPtr, Display* dpy,
> int argc, char** argv, HANDLE visual, HANDLE cmap)
>         {
>                 QApplicationGlue* glue = new QApplicationGlue
> ((Display*)dpy, (int)argc, (char**)argv, (HANDLE)visual, (HANDLE)cmap);
>                 glue->managedObject = managedPtr;
>                 return (QApplication*)glue;
>         }
>
>         QApplication* new_QApplication0 (void* managedPtr, int& argc,
> char** argv)
>         //void new_QApplication0 (void* managedPtr, int& argc, char** argv)
>         {
>                 QApplicationGlue* glue = new QApplicationGlue (argc, argv);
>                 //glue->managedObject = managedPtr;
>                 return (QApplication*)glue;
>         }
>
>         QApplication* new_QApplication1 (void* managedPtr, int& argc,
> char** argv, bool GUIenabled)
>         {
>                 QApplicationGlue* glue = new QApplicationGlue ((int&)argc,
> (char**)argv, (bool)GUIenabled);
>                 glue->managedObject = managedPtr;
>                 return (QApplication*)glue;
>         }
>
>         QApplication* new_QApplication2 (void* managedPtr, int& argc,
> char** argv, QApplication::Type arg1)
>         {
>                 QApplicationGlue* glue = new QApplicationGlue ((int&)argc,
> (char**)argv, (QApplication::Type)arg1);
>                 glue->managedObject = managedPtr;
>                 return (QApplication*)glue;
>         }
>
> } // extern "C"
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