I think if you are calling in OnButtonClick, you are already in the
WndProc, thus calling it again will result in recursive endless calls.
Nick
On Mon, Aug 11, 2014 at 12:53 PM, Sonya Blade <sonyablade2...@hotmail.com>
wrote:
> I already checked the fWndProc, it is not NULL but still raises the
> exception, very weird.
>
> Regards,
> ------------------------------
> Date: Mon, 11 Aug 2014 12:43:28 +0200
>
> From: trajce.nikolov.n...@gmail.com
> To: osg-users@lists.openscenegraph.org
> Subject: Re: [osg-users] Integrating OSG in C::B wxWidgets
>
> No, you are calling the WndProc in the last line explicitly. It has to be
> in a loop for example where you are calling viewer->frame(); Also check if
> fWndProc
> is NULL
>
> Nick
>
>
> On Mon, Aug 11, 2014 at 12:39 PM, Sonya Blade <sonyablade2...@hotmail.com>
> wrote:
>
> Hi Nick,
>
> >this belongs in a loop. Here is the lib::postMessage
> With this I assume you mean that we have to embed/hook the first code
> poriton into WndProc loop, right ??
> Because all this are runing under the OnButtonClick for me, I'll chage it
> hooked into main window WndProc
> but for time being I use it for testing purposes.
>
> I tried to simplfy the code as below but it raises segmentation fault at
> the last line fWndProc.
> Am I really messing something with pointers there ?
>
> osgViewer::CompositeViewer::Windows wins;
> g_viewer->getWindows(wins);
>
> MSG msg;
> if (::PeekMessage(&msg,NULL,0,0,PM_NOREMOVE))
> {
> ::GetMessage(&msg, NULL, 0, 0);
> if (wins.size())
> {
> osgViewer::GraphicsHandleWin32 *hdl =
> dynamic_cast<osgViewer::GraphicsHandleWin32*>(wins.at(0));
> if(hdl)
> {
> MSG message =msg;
> WNDPROC fWndProc =
> (WNDPROC)::GetWindowLongPtr(hdl->getHWND(), GWLP_WNDPROC);
> fWndProc(hdl->getHWND(), message.message,
> message.wParam, message.lParam);
> }
> }
>
> }
>
> Regards,
>
> ------------------------------
> Date: Mon, 11 Aug 2014 11:37:36 +0200
> From: trajce.nikolov.n...@gmail.com
> To: osg-users@lists.openscenegraph.org
> Subject: Re: [osg-users] Integrating OSG in C::B wxWidgets
>
>
> Hi Sonya,
>
> although on Windows is sufficient to set the window handle in the traits,
> based on your app you might really want to pass the messages explicitly.
> Here is a snippet of an example:
>
> MSG msg;
> if (::PeekMessage(&msg,NULL,0,0,PM_NOREMOVE))
> {
> ::GetMessage(&msg, NULL, 0, 0);
> lib->postMessage((void*)&msg);
> }
>
> this belongs in a loop. Here is the lib::postMessage
>
> osgViewer::CompositeViewer::Windows wins;
> _viewer->getWindows(wins);
> #ifdef WIN32
> if (wins.size())
> {
> osgViewer::GraphicsHandleWin32 *hdl =
> dynamic_cast<osgViewer::GraphicsHandleWin32*>(wins.at(0));
> if(hdl)
> {
> MSG* message = (MSG*)msg;
> WNDPROC fWndProc = (WNDPROC)::GetWindowLongPtr(hdl->getHWND(),
> GWLP_WNDPROC);
> fWndProc(hdl->getHWND(), message->message, message->wParam,
> message->lParam);
> }
> }
> #endif
>
> Cheers,
> Nick
>
>
> On Mon, Aug 11, 2014 at 10:45 AM, Sonya Blade <sonyablade2...@hotmail.com>
> wrote:
>
> Dear All,
>
> When we try to integrate the OSG rendering context into another Win32/64
> window via window handle
> do we need to hook also the message handling mechanism ? If so can you
> give me an example for that ?
>
> Regards,
>
>
> ------------------------------
> From: sonyablade2...@hotmail.com
> To: osg-users@lists.openscenegraph.org
> Date: Sat, 9 Aug 2014 11:32:27 +0100
> Subject: [osg-users] Integrating OSG in C::B wxWidgets
>
>
> Dear All,
>
> I'm trying to integrate the OSG view into wxWidgets actually wxFrame
> object in C::B IDE, I configure
> the Window handles to match with wxFrame and OSG graphic context but I get
> only a blue screen without
> cessna loaded.
>
> I place the code which deals with window handle equalization in a kinda
> unusual way, under the button click,
> after clicking the button blue screen shows up but cessna is not loading,
> I mean physically the cessna is not loaded,
> I can not spot/testify exactly whether the malfuncitoning is due to the
> unusual way of placing the window handle dealing code
> under the button click or something else ?
>
> So basically is there any workaround to load the object ?
>
> void wid_testFrame::OnButton1Click(wxCommandEvent& event)
> osg::ref_ptr<osg::Referenced> windata = new
> osgViewer::GraphicsWindowWin32::WindowData( HWND( wxFrame::GetHandle() ) );
>
> osg::ref_ptr<osg::GraphicsContext::Traits> traits = new
> osg::GraphicsContext::Traits;
>
> traits->x = 0;
> traits->y = 0;
> traits->width = 800;
> traits->height = 600;
> traits->windowDecoration = false;
> traits->doubleBuffer = true;
> traits->inheritedWindowData = windata;
>
> osg::ref_ptr<osg::GraphicsContext> gc =
> osg::GraphicsContext::createGraphicsContext( traits.get() );
>
> ...........
> osg::ref_ptr<osg::Node> load_model = osgDB::readNodeFile("cessna.osg");
>
> if (!load_model )
> {
> ............ /////////////////ALWAYS FALSE
> }
> ............
> viewer.run();
>
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>
> --
> trajce nikolov nick
>
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>
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