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// require: libwxgtk3.0-gtk3-dev
// compile: g++ ./wxtest.cpp $(wx-config --cppflags) $(wx-config --libs core,base) -o ./wxtestx

#include "wx/wxprec.h"
#include <wx/graphics.h>
#include <wx/wx.h>
#include <wx/clipbrd.h>

class HelloWorldApp : public wxApp
{
	wxFrame *_frame;
public:
	virtual bool OnInit();
};

DECLARE_APP(HelloWorldApp)
IMPLEMENT_APP(HelloWorldApp)

///////////////
enum
{
	BUTTON_Hello = wxID_HIGHEST + 1 // declares an id which will be used to call our button
};



class MainFrame: public wxFrame // MainFrame is the class for our window,
{
	wxTextCtrl *_text = nullptr;
	wxButton *_btn = nullptr;

public:
	MainFrame( const wxString &title, const wxPoint &pos, const wxSize &size )
		: wxFrame(NULL, wxID_ANY, title, pos, size)
	{
		_text = new wxTextCtrl( this, wxID_ANY, "abcdefghijklmnopqrstuvw", wxPoint(0, 0), wxSize(780, 50), wxTE_MULTILINE );
		_btn = new wxButton(this, BUTTON_Hello, _T("Hello World"),  wxPoint(0, 100), wxSize(780, 50), 0);
	}

	void OnButton( wxCommandEvent& event )
	{
		if (wxTheClipboard->Open())
		{
			fprintf(stderr, "!!!! OPEN FOR GET\n");
			if (wxTheClipboard->IsSupported( wxDF_TEXT ))
			{
				wxTextDataObject data;
				wxTheClipboard->GetData( data );
				const wxString &wx_str = data.GetText();
				fprintf(stderr, "!!!! GOT: '%ls'\n", wx_str.wc_str());
			}
			wxTheClipboard->Close();
		}

		if (wxTheClipboard->Open()) {
			fprintf(stderr, "!!!! OPEN FOR SET\n");
			wxTheClipboard->Clear();
			wxTheClipboard->SetData(new wxTextDataObject("1234567890"));
			wxTheClipboard->Flush();
			wxTheClipboard->Close();
			fprintf(stderr, "!!!! SET DONE\n");
		}
	}

	wxDECLARE_EVENT_TABLE();
};

wxBEGIN_EVENT_TABLE(MainFrame, wxFrame)
    EVT_BUTTON ( BUTTON_Hello, MainFrame::OnButton ) // Tell the OS to run MainFrame::OnExit when
wxEND_EVENT_TABLE()

// This is executed upon startup, like 'main()' in non-wxWidgets programs.
bool HelloWorldApp::OnInit()
{
	_frame = new MainFrame(_("Clipboard test"), wxDefaultPosition, wxSize(800, 600));
	_frame->Show(true);
	SetTopWindow(_frame);
	return true;
}