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Oni Sephiroth

glutKeyboardFunc() problems

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I'm having some problems with this and the parameter, it's not allowing me to pass a function to it.

#include "inputManager.h"

CkeyboardTrigger * CkeyboardTrigger::_singleton;

CBaseEvent * keyDown = new CBaseEvent();
CBaseEvent * keyUp = new CBaseEvent();
CBaseEvent * mouseClick = new CBaseEvent();
CBaseEvent * mouseRelease = new CBaseEvent();



void CkeyboardTrigger::_keyboard(unsigned char key, int x, int y)


CkeyboardTrigger * CkeyboardTrigger::initialize()
if (!_singleton)
_singleton = new CkeyboardTrigger();

return _singleton;

if (_singleton)
delete _singleton;

the constructor and the _keyboard function is the part in question...
The error I'm getting back is

error C3867: 'CkeyboardTrigger::_keyboard': function call missing argument list; use '&CkeyboardTrigger::_keyboard' to create a pointer to member

I tried what it said and put the &CkeyboardTrigger::_keyboard infront of it, but got no luck. Am I missing something here? I looked up the error code as well and found nothing that would compile.

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glutKeyboardFunc asks for a function pointer of type:

void (*)(unsigned char key, int x, int y)

You're giving it a function pointer of type:

void (CkeyboardTrigger::*)(unsigned char key, int x, int y)

As you can see, the problem is that _keyboard is a non-static member function. You need to either move it out of the class, or make it static.

(Remember that GLUT is a C library, there were no classes in C).

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