interactivescreen.cpp

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// MythTV
#include "mythplayerui.h"
#include "mheg/interactivescreen.h"
 
InteractiveScreen::InteractiveScreen(MythPlayerUI *Player, MythPainter *Painter, const QString &Name)
  : MythScreenType(static_cast<MythScreenType*>(nullptr), Name),
    m_player(Player)
{
    m_painter = Painter;
    UpdateArea();
}
 
void InteractiveScreen::Close()
{
    if (m_player)
        emit m_player->ResizeForInteractiveTV(QRect());
}
 
void InteractiveScreen::UpdateArea()
{
    if (m_childrenList.isEmpty())
    {
        m_safeArea = {};
    }
    else if (m_player && m_player->GetVideoOutput())
    {
        float tmp = 0.0;
        QRect dummy;
        m_player->GetVideoOutput()->GetOSDBounds(dummy, m_safeArea, tmp, tmp, tmp);
    }
    SetArea(MythRect(m_safeArea));
}
 
void InteractiveScreen::OptimiseDisplayedArea()
{
    UpdateArea();
 
    QRegion visible;
    QListIterator<MythUIType *> i(m_childrenList);
    while (i.hasNext())
    {
        MythUIType *img = i.next();
        visible = visible.united(img->GetArea());
    }
 
    if (visible.isEmpty())
        return;
 
    QRect bounding  = visible.boundingRect();
    bounding = bounding.translated(m_safeArea.topLeft());
    bounding = m_safeArea.intersected(bounding);
    int left = m_safeArea.left() - bounding.left();
    int top  = m_safeArea.top()  - bounding.top();
    SetArea(MythRect(bounding));
 
    i.toFront();;
    while (i.hasNext())
    {
        MythUIType *img = i.next();
        img->SetArea(MythRect(img->GetArea().translated(left, top)));
    }
}