bool wxGLCanvasBase::SetCurrent(const wxGLContext& context) const
{
// although on MSW it works even if the window is still hidden, it doesn't
// work in other ports (notably X11-based ones) and documentation mentions
// that SetCurrent() can only be called for a shown window, so check for it
wxASSERT_MSG( IsShown(), wxT("can't make hidden GL canvas current") );
return context.SetCurrent(*static_cast<const wxGLCanvas *>(this));
}
MainFrame(wxApp& app, const wxString& example_name)
: wxFrame(
(wxWindow*)0,
wxID_ANY,
wxT("OGLplus example"),
wxDefaultPosition,
wxSize(300, 600))
, status_bar(new wxStatusBar(this))
, tmp_canvas(new wxGLCanvas(
(wxWindow*)this,
wxID_ANY,
GLConfig(),
wxDefaultPosition,
wxDefaultSize))
, gl_context(tmp_canvas)
, api_init(nullptr)
, example_frame(nullptr) {
InitComponents(example_name);
Show();
SetStatus(wxT("Initializing GL"));
gl_context.SetCurrent(*tmp_canvas);
api_init = new oglplus::GLAPIInitializer();
delete tmp_canvas;
SetStatus(wxT("Ready"));
Connect(wxEVT_CLOSE_WINDOW, wxCloseEventHandler(MainFrame::OnClose));
example_frame = new ExampleFrame(
app,
(wxWindow*)this,
example_name,
(ExampleInfoDisplay*)this,
&gl_context);
SetStatus(wxT("Running"));
}
void wxGLCanvas::SetCurrent(const wxGLContext& RC) const
{
RC.SetCurrent(*this);
}
