Exemplo n.º 1
0
Arquivo: panel.c Projeto: ryoon/eCos 
static void _calculate_obscure(void)
{
    PANEL *pan, *pan2;
    PANELOBS *tobs;     /* "this" one */
    PANELOBS *lobs;     /* last one */

    pan = _bottom_panel;

    while (pan)
    {
        if (pan->obscure)
            _free_obscure(pan);

        lobs = (PANELOBS *)0;
        pan2 = _bottom_panel;

        while (pan2)
        {
            if (_panels_overlapped(pan, pan2))
            {
                if ((tobs = malloc(sizeof(PANELOBS))) == NULL)
                    return;

                tobs->pan = pan2;
                dPanel("obscured", pan2);
                tobs->above = (PANELOBS *)0;

                if (lobs)
                    lobs->above = tobs;
                else
                    pan->obscure = tobs;

                lobs  = tobs;
            }

            pan2 = pan2->above;
        }

        _override(pan, 1);
        pan = pan->above;
    }
}
Exemplo n.º 2
0
static void _panel_unlink(PANEL *pan)
{
    PANEL *prev;
    PANEL *next;

#ifdef PANEL_DEBUG
    dStack("<u%d>", 1, pan);
    if (!_panel_is_linked(pan))
        return;
#endif
    _override(pan, 0);
    _free_obscure(pan);

    prev = pan->below;
    next = pan->above;

    /* if non-zero, we will not update the list head */

    if (prev)
    {
        prev->above = next;
        if(next)
            next->below = prev;
    }
    else if (next)
        next->below = prev;

    if (pan == _bottom_panel)
        _bottom_panel = next;

    if (pan == _top_panel)
        _top_panel = prev;

    _calculate_obscure();

    pan->above = (PANEL *)0;
    pan->below = (PANEL *)0;
    dStack("<u%d>", 9, pan);

}