/** @file Defines the widget to display a Direct3D context */ #ifndef _QD3DWIDGET_H_ #define _QD3DWIDGET_H_ #include <QtGui/QWidget> #include "ui_Main.h"struct IDirect3D9; struct IDirect3DDevice9; class QD3DWidget : public QWidget {   Q_OBJECT public:   /** Constructor */   QD3DWidget( QWidget* pParent = NULL);   /** Destructor */   ~QD3DWidget();   /** a hint to Qt to give the widget as much space as possible */   QSizePolicy sizePolicy() const { return QSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding ); }   /** a hint to Qt that we take care of the drawing for ourselves, thankyouverymuch */   QPaintEngine *paintEngine() const { return NULL; } protected:   /** Initialized the D3D environment */   void Setup();   /** Destroys the D3D environment */   void Close();   /** paints the scene */   void paintEvent( QPaintEvent* pEvent); private:   /** D3D stuff */   IDirect3D9*       mD3D;   IDirect3DDevice9* mDevice;   Ui::Form ui;}; #endif // _QD3DWIDGET_H_ 

#include "QD3DWidget.h" #include <QMessageBox>#define WIN32_LEAN_AND_MEAN #include <d3d9.h> #include <d3dx9.h> // Constructor QD3DWidget::QD3DWidget( QWidget* pParent)   : QWidget( pParent) { 	ui.setupUi(this);	mD3D = NULL; 	mDevice = NULL; 	setMinimumSize( 400, 400); 	setAttribute( Qt::WA_OpaquePaintEvent, true);  	setAttribute( Qt::WA_PaintOnScreen, true); 	Setup(); } // Destructor QD3DWidget::~QD3DWidget() { 	Close(); } // Initialized the D3D environment void QD3DWidget::Setup() { 	HWND windowHandle = winId(); 	// create Direct3D9 object 	mD3D = Direct3DCreate9( D3D_SDK_VERSION); 	if( NULL == mD3D) 	        QMessageBox::critical(this,                              "ERROR",                              "Failed to create D3D object",                              QMessageBox::Ok);	// create D3D device 	// pack hier deine eigenen PresentationParams rein     D3DPRESENT_PARAMETERS d3dpp;    // create a struct to hold various device information    ZeroMemory(&d3dpp, sizeof(d3dpp));    // clear out the struct for use    d3dpp.Windowed = TRUE;    // program windowed, not fullscreen    d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;    // discard old frames    d3dpp.hDeviceWindow = windowHandle;    // set the window to be used by Direct3D	HRESULT hr = mD3D->CreateDevice(D3DADAPTER_DEFAULT,                      D3DDEVTYPE_HAL,                      windowHandle,                      D3DCREATE_SOFTWARE_VERTEXPROCESSING,                      &d3dpp,                      &mDevice);	if( FAILED( hr)) 	        QMessageBox::critical(this,                              "ERROR",                              "Failed to create D3D device",                              QMessageBox::Ok);} // Destroys the D3D environment void QD3DWidget::Close() { 	if( mDevice) 		mDevice->Release(); 	if( mD3D) 		mD3D->Release(); } // paints the scene void QD3DWidget::paintEvent( QPaintEvent* pEvent) {   // clear render buffer   HRESULT hr = mDevice->Clear(0, NULL, D3DCLEAR_TARGET, D3DCOLOR_XRGB(0, 40, 100), 1.0f, 0);  if( FAILED( hr)) 	        QMessageBox::critical(this,                              "ERROR",                              "Failed to clear backbuffer.",                              QMessageBox::Ok);  mDevice->BeginScene();    // begins the 3D scene  mDevice->EndScene();    // ends the 3D scene  // and show the result   hr = mDevice->Present(NULL, NULL, NULL, NULL);   // displays the created frame on the screen  if( FAILED( hr)) 	        QMessageBox::critical(this,                              "ERROR",                              "Failed to Present().",                              QMessageBox::Ok);  // trigger another update as soon as possible   update(); } 

class IObserver{public:   virtual void handle_Event(const std::string &msg) = 0;};

class server_control : public QWidget{   Q_OBJECTpublic:   server_control(Server* s, QWidget *parent = 0);   ~server_control();private:   Ui::server_control ui;   Server* server;   std::string text_map;   std::string text_server;   std::string text_type_net;   std::string text_password;   int max_players;   int port;   QTextTableFormat tableFormat;public slots:   void Submit();};

class server_control : public QWidget, public IObserver{	Q_OBJECTpublic:	server_control(Server* s, QWidget *parent = 0);	~server_control();	virtual void handle_Event(const std::string &msg);private://....}

class AbstractClass {public:  virtual void AbstractMemberFunction() = 0; //pure virtual function makes this class Abstract class};class server_control : public QWidget, public AbstractClass{	Q_OBJECTpublic:	server_control(Server* s, QWidget *parent = 0);	~server_control();	void AbstractMemberFunction();private:	Ui::server_control ui;	Server* server;	std::string text_map;	std::string text_server;	std::string text_type_net;	std::string text_password;	int max_players;	int port;	QTextTableFormat tableFormat;public slots:	void Submit();};

class AbstractClass {public:  virtual void AbstractMemberFunction() = 0; //pure virtual function makes this class Abstract class};class Test : public AbstractClass{public:	Test() { }	~Test() { } 	void AbstractMemberFunction();}