GlutKeyboardManager.cpp

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#include "GlutKeyboardManager.h"
#include "MT_assert.h"

MEM_SmartPtr<GlutKeyboardManager> GlutKeyboardManager::m_s_instance = MEM_SmartPtr<GlutKeyboardManager>();

    GlutKeyboardManager *
GlutKeyboardManager::
Instance(
){
    if (m_s_instance == NULL) {
        m_s_instance = new GlutKeyboardManager();
    }

    return m_s_instance;
}


// this is the function you should pass to glut

    void
GlutKeyboardManager::
HandleKeyboard(
    unsigned char key,
    int x,
    int y
){
    GlutKeyboardManager *manager = GlutKeyboardManager::Instance();

    if (manager->m_handler != NULL) {
        manager->m_handler->HandleKeyboard(key,x,y);
    }
}

    void
GlutKeyboardManager::
InstallHandler(
    GlutKeyboardHandler * handler
){

    MT_assert(m_handler == NULL);
    m_handler = handler;
}

    void
GlutKeyboardManager::
ReleaseHandler(
){
    m_handler = NULL;
}


GlutKeyboardManager::
~GlutKeyboardManager(
){

    delete(m_handler);
}