Beispiel #1
0
void MythUITextEdit::SetInitialStates()
{
    if (m_initialized)
        return;

    m_initialized = true;

    m_Text        = dynamic_cast<MythUIText*>(GetChild("text"));
    m_cursorImage = dynamic_cast<MythUIImage*>(GetChild("cursor"));
    m_backgroundState =
        dynamic_cast<MythUIStateType*>(GetChild("background"));

    if (!m_Text)
        VERBOSE(VB_IMPORTANT, LOC_ERR + "Missing text element.");
    if (!m_cursorImage)
        VERBOSE(VB_IMPORTANT, LOC_ERR + "Missing cursor element.");
    if (!m_backgroundState)
        VERBOSE(VB_IMPORTANT, LOC_WARN + "Missing background element.");

    if (!m_Text || !m_cursorImage)
    {
        m_Text = NULL;
        m_cursorImage = NULL;
        m_backgroundState = NULL;
        return;
    }

    if (m_backgroundState && !m_backgroundState->DisplayState("active"))
        VERBOSE(VB_IMPORTANT, "MythUITextEdit: active state doesn't exist");

    QFontMetrics fm(m_Text->GetFontProperties()->face());
    int height = fm.height();
    if (height > 0)
    {
        MythRect imageArea = m_cursorImage->GetArea();
        int width = int(((float)height / (float)imageArea.height())
                        * (float)imageArea.width());
        if (width <= 0)
            width = 1;
        m_cursorImage->ForceSize(QSize(width,height));
    }

    MythRect textrect = m_Text->GetArea();

    if (textrect.isNull())
        textrect = MythRect(5,5,m_Area.width()-10,m_Area.height()-10);

    textrect.setWidth(textrect.width() - m_cursorImage->GetArea().width());

    if (textrect.isValid())
        m_Text->SetArea(textrect);

    m_Text->SetCutDown(false);

    m_cursorImage->SetPosition(textrect.x(),textrect.y());
}
void MythUIScrollBar::CalculatePosition(void)
{
    if (m_maximum > 0)
        Show();
    else
    {
        Hide();
        return;
    }

    MythUIType *slider = GetChild("slider");

    if (!slider)
    {
        LOG(VB_GENERAL, LOG_ERR, "Slider element doesn't exist");
        return;
    }

    float percentage = (float)m_sliderPosition / m_maximum;
    float relativeSize = (float)m_pageStep / (m_maximum + m_pageStep);

    MythRect newSliderArea = slider->GetArea();
    MythRect fillArea = GetArea();
    QPoint endPos(newSliderArea.left(), newSliderArea.top());

    if (m_layout == LayoutHorizontal)
    {
        int width = qMax((int)(fillArea.width() * relativeSize + 0.5),
                         m_sliderArea.width());
        newSliderArea.setWidth(width);
        endPos.setX((int)((fillArea.width() - width) * percentage + 0.5));
    }
    else
    {
        int height = qMax((int)(fillArea.height() * relativeSize + 0.5),
                          m_sliderArea.height());
        newSliderArea.setHeight(height);
        endPos.setY((int)((fillArea.height() - height) * percentage + 0.5));
    }

    slider->SetArea(newSliderArea);
    slider->SetPosition(endPos);

    if (m_hideDelay > 0)
    {
        if (m_timerId)
            killTimer(m_timerId);
        m_timerId = startTimer(m_hideDelay);

        AdjustAlpha(1, 10, 0, 255);
    }
}