New issue related to embed a checkbox into table cell

Hello all,

Question part one:
Based on previous comments & helps, I use the following method to embed a checkbox into table cell.

// FXCheckboxTableItem : public FXTableItem
FXCheckboxTableItem::FXCheckboxTableItem(FXApp* app, const FXString& label, bool isChecked, void* ptr/*=NULL*/)
: m_app(app), m_label(label), m_isChecked(isChecked)
{
    checkbox_no_icon=new FXBMPIcon(m_app,checkbox_no_bmp,0,IMAGE_ALPHAGUESS);
    checkbox_no_icon->create();
    checkbox_yes_icon=new FXBMPIcon(m_app,checkbox_yes_bmp,0,IMAGE_ALPHAGUESS);
    checkbox_yes_icon->create();
    setIcon(checkbox_no_icon); // default icon is uncheck image
}

FXWindow * FXCheckboxTableItem::getControlFor( FXTable* table )
{
    register FXCheckButton *checkbox;
    register FXuint justify=0;

    checkbox=new FXCheckButton(table,m_label,this,NULL, ICON_BEFORE_TEXT|LAYOUT_SIDE_TOP);
    if(state&LEFT) justify|=JUSTIFY_LEFT;
    if(state&RIGHT) justify|=JUSTIFY_RIGHT;
    if(state&TOP) justify|=JUSTIFY_TOP;
    if(state&BOTTOM) justify|=JUSTIFY_BOTTOM;
    checkbox->create();
    checkbox->setJustify(justify);
    checkbox->setFont(table->getFont());
    checkbox->setBackColor(table->getBackColor());
    checkbox->setTextColor(table->getTextColor());   

    return checkbox;   
}

void FXCheckboxTableItem::setFromControl( FXWindow *control )
{
    register FXCheckButton *check=static_cast<FXCheckButton*>(control);
    m_isChecked = check->getCheck();

    if (m_isChecked)
    {
        setIcon(checkbox_yes_icon); // a picture captured when a checkbox is check
    }
    else
    {
        setIcon(checkbox_no_icon); // a picture captured when a checkbox is uncheck
    }   
}

Now new problems are as follows:

Expected actions: whenever the user single-clicks the cell, then the icon switches between yes and no icons.

Current actions: The user has to double-click the cell in order to change the icon from yes to no or no to yes icons.
The major reason of this problem is that when the user double-clicks the cell, then the cell enters Edit mode that in turn triggers the setFromControl and getControlFor.

Is there a way that I can use so that
1> double clicks the cell does nothing
2> single  clicks the cell will switch between two icons


Question part two:
I also try to catch the selection event, however, the code is not called by the selection
FXDEFMAP(FXCheckboxTableItem) FXCheckboxTableItemMap[]={
    FXMAPFUNC(SEL_LEFTBUTTONPRESS,  0, FXCheckboxTableItem::onItemSelected),
    FXMAPFUNC(SEL_DESELECTED,       0, FXCheckboxTableItem::onItemDeselected),
};

// Object implementation
FXIMPLEMENT(FXCheckboxTableItem,FXTableItem,FXCheckboxTableItemMap,ARRAYNUMBER(FXCheckboxTableItemMap))

// Leave window
long FXCheckboxTableItem::onItemSelected(FXObject* sender,FXSelector sel,void* ptr)
{

    return 1;
}

// Leave window
long FXCheckboxTableItem::onItemDeselected(FXObject* sender,FXSelector sel,void* ptr)
{
    return 1;
}

Thank you again.