QtApplicationHandler.cpp

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// ****************************************************************************
// Filename:  QtApplicationHandler.cpp
// Author:    Florian Hecht
// Date:      2008
// ****************************************************************************


#include "QtApplicationHandler.h"

#include <qapplication.h>

static char app_name[] = "IVT_APPLICATION\0";
static int my_argc = 1;
static char *my_argv[2] = { app_name, NULL};

CQtApplicationHandler *CQtApplicationHandler::m_pQtApplicationHandler = NULL;

CQtApplicationHandler::CQtApplicationHandler(int argc, char **argv)
{
        m_pApplication = 0;
        m_bExit = false;
        
        if (argc == 0 && argv == NULL)
        {
                m_pApplication = new QApplication(my_argc, my_argv);
        }
        else
        {
                my_argc = argc;
                m_pApplication = new QApplication(my_argc, argv);
        }
        
        m_pApplication->connect(m_pApplication, SIGNAL(lastWindowClosed()), this, SLOT(Exit()));

        m_pQtApplicationHandler = this;
        
        // undo the setting of the locale by Qt
        // this makes dialogs appear in english on any system
        // but it doesn't screw with sscanf and fscanf, which
        // is more important to us
        setlocale(LC_ALL, "C");
}

CQtApplicationHandler::~CQtApplicationHandler()
{
        if (m_pApplication)
                delete m_pApplication;

        m_pQtApplicationHandler = NULL;
}

bool CQtApplicationHandler::ProcessEventsAndGetExit()
{
        #ifdef QT_THREAD_SUPPORT
        
        m_pApplication->lock();
        m_pApplication->processEvents();
        m_pApplication->unlock();
        
        #else
        
        m_pApplication->processEvents();
        
        #endif
        
        return m_bExit;
}

void CQtApplicationHandler::Reset()
{
        if (!m_pApplication)
        {
                m_pApplication = new QApplication(my_argc, my_argv);
                m_pApplication->connect(m_pApplication, SIGNAL(lastWindowClosed()), this, SLOT(Exit()));
        }
        
        m_bExit = false;
}