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/*
 * GLWidget.h
 *
 *  Created on: Sep 22, 2011
 *      Author: martin
 */

#ifndef GLWIDGET_H_
#define GLWIDGET_H_
#include <QGLWidget>
#include "GraphicSystem.h"
class GLWidget : public QGLWidget, public GraphicSystem {
public:
	GLWidget(QWidget *parent);
	virtual void render();
	//virtual ~GLWidget();
protected:
    void initializeGL();
    void paintGL();
    void resizeGL(int width, int height);
    void mousePressEvent(QMouseEvent *event);
    void mouseMoveEvent(QMouseEvent *event);
};

#endif /* GLWIDGET_H_ */

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make debug 
make -f Makefile.Debug
make[1]: Entering directory `/home/martin/workspace/IntersectionTesting_QTGUI'
g++ -Wl,-rpath,/home/martin/QtSDK/Desktop/Qt/474/gcc/lib -o IntersectionTesting_QTGUI debug/GLWidget.o debug/main.o debug/intersectiontesting_qtgui.o debug/moc_intersectiontesting_qtgui.o    -L/home/martin/QtSDK/Desktop/Qt/474/gcc/lib -L/usr/X11R6/lib -lQtOpenGL -lQtGui -lQtCore -lGLU -lGL -lpthread 
debug/GLWidget.o: In function `GraphicSystem':
make[1]: Leaving directory `/home/martin/workspace/IntersectionTesting_QTGUI'
/home/martin/workspace/IntersectionTesting_QTGUI/../IntersectionTesting/src/GraphicSystem.h:11: undefined reference to `WorldChangedModel::WorldChangedModel()'
collect2: ld returned 1 exit status
make[1]: *** [IntersectionTesting_QTGUI] Error 1
make: *** [debug] Error 2

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Tja, was ist das? Wo sollte das sein?

Code: Alles auswählen

#ifndef GRAPHICSYSTEM_H_
#define GRAPHICSYSTEM_H_
#include "WorldChangedModel.h"
class GraphicSystem {
public:
//	GraphicSystem();
//	virtual ~GraphicSystem();
	virtual void render() = 0;
protected:
	WorldChangedModel worldChangedModel;
};

#endif /* GRAPHICSYSTEM_H_ */

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#ifndef WORLDCHANGEDMODEL_H_
#define WORLDCHANGEDMODEL_H_
#include "WorldChangedListener.h"
#include <vector>
using namespace std;

class WorldChangedModel {
public:
	WorldChangedModel();
	void addWorldChangedListener(WorldChangedListener* l);
	void removeWorldChangedListener(WorldChangedListener* l);
	void objectSelected(int id, bool selected);
	void objectTranslated(int objectId, Vector3f* translation);
private:
	vector<WorldChangedListener*> worldChangedListenerList;
};
#endif /* WORLDCHANGEDMODEL_H_ */

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#ifndef A_H_
#define A_H_
#include "B.h"
#include "testclass.h"
class A {
public:
	A();
	virtual ~A();
};

#endif /* A_H_ */

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#include "A.h"

A::A() {
	// TODO Auto-generated constructor stub

}

A::~A() {
	// TODO Auto-generated destructor stub
}