include/cglib/glut_window.h

Go to the documentation of this file.

#ifndef __GLUT_WINDOW_H__
#define __GLUT_WINDOW_H__

#include "windows.h"
#include <string>
#include <map>
#include <GL/glew.h>
#include <GL/glut.h>
#include "cglib/arcball_camera.h"

using namespace std;

struct NormalKey
{
    unsigned char key;
    int modifiers;

    NormalKey()
    {
        key = 0;
        modifiers = 0;
    }

    NormalKey(unsigned char _key, int _modifiers)
    {
        key = _key;
        modifiers = _modifiers;
    }       
};

struct NormalKeyOrdering
{
    bool operator()(const NormalKey a, const NormalKey b) const
    {
        return (a.key < b.key) || (a.key == b.key && a.modifiers < b.modifiers);
    }
};

struct SpecialKey
{
    int key;
    int modifiers;

    SpecialKey()
    {
        key = 0;
        modifiers = 0;
    }

    SpecialKey(int _key, int _modifiers)
    {
        key = _key;
        modifiers = _modifiers;
    }
};

struct SpecialKeyOrdering
{
    bool operator()(const SpecialKey a, const SpecialKey b) const
    {
        return (a.key < b.key) || (a.key == b.key && a.modifiers < b.modifiers);
    }
};

typedef void (*NormalKeyHandler)(unsigned char, int, int);
typedef void (*SpecialKeyHandler)(int, int, int);
typedef map<NormalKey, NormalKeyHandler, NormalKeyOrdering> NormalKeyHandlerMap;
typedef map<SpecialKey, SpecialKeyHandler, SpecialKeyOrdering> SpecialKeyHandlerMap;

class GlutWindow
{
protected:
    static GlutWindow *GlutWindow_instance;

    static void StaticDisplayFunc();
    static void StaticReshapeFunc(int width, int height);
    static void StaticIdleFunc();   
    static void StaticMouseFunc(int button, int state, int x, int y);
    static void StaticMotionFunc(int x, int y);
    static void StaticKeyboardFunc(unsigned char key, int x, int y);
    static void StaticSpecialFunc(int key, int x, int y);
    
    GlutWindow()
    {
        GlutWindow_instance = this;
    }

public:
    virtual void DisplayFunc();
    virtual void ReshapeFunc(int width, int height);
    virtual void IdleFunc();
    virtual void MouseFunc(int button, int state, int x, int y);
    virtual void MotionFunc(int x, int y);
    virtual void KeyboardFunc(unsigned char key, int x, int y);
    virtual void SpecialFunc(int key, int x, int y);

    NormalKeyHandlerMap normalKeyHandlers;
    SpecialKeyHandlerMap specialKeyHandlers;

    int windowWidth, windowHeight;
    string windowTitle;

    virtual void Initialize();
    virtual void InitDisplay();
    virtual void Draw();

    virtual void Run(int *argc, char **argv);

    virtual GlutWindow *GetGlutWindowInstance();
};

#endif

---