void MythUIScrollBar::timerEvent(QTimerEvent *)
{
if (m_timerId)
killTimer(m_timerId);
m_timerId = 0;
AdjustAlpha(1, -10, 0, 255);
connect(this, SIGNAL(FinishedFading()), this, SLOT(DoneFading()));
}
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);
}
}
ColorRGB(uint8_t red, uint8_t green, uint8_t blue, float alpha)
: ColorRGB(red, green, blue) {
AdjustAlpha(alpha);
}
