void Slider::updateTrack()
{
if (mWidgetTrack == nullptr)
return;
_forcePick(mWidgetTrack);
if (!mWidgetTrack->getVisible())
mWidgetTrack->setVisible(true);
int iTrack = mWidgetTrack->getSize().width;
int iSize = mWidgetTrack->getParent()->getSize().width - iTrack;
int pos = mfValue * iSize;
mWidgetTrack->setPosition(pos, mWidgetTrack->getTop());
}
void ScrollBar::updateTrack()
{
if (mWidgetTrack == nullptr)
return;
_forcePick(mWidgetTrack);
// размер диапазана в пикселях
int pos = getLineSize();
if (mVerticalAlignment)
{
// скрываем если диапазан маленький или места мало
if ((mScrollRange < 2) || (pos <= mWidgetTrack->getHeight()))
{
mWidgetTrack->setVisible(false);
if (nullptr != mWidgetFirstPart)
mWidgetFirstPart->setSize(mWidgetFirstPart->getWidth(), pos / 2);
if (nullptr != mWidgetSecondPart)
mWidgetSecondPart->setCoord(mWidgetSecondPart->getLeft(), pos / 2 + (int)mSkinRangeStart, mWidgetSecondPart->getWidth(), pos - pos / 2);
return;
}
// если скрыт то покажем
if (!mWidgetTrack->getVisible())
mWidgetTrack->setVisible(true);
// и обновляем позицию
pos = (int)(((size_t)(pos - getTrackSize()) * mScrollPosition) / (mScrollRange - 1) + mSkinRangeStart);
mWidgetTrack->setPosition(mWidgetTrack->getLeft(), pos);
if (nullptr != mWidgetFirstPart)
{
int height = pos - mWidgetFirstPart->getTop();
mWidgetFirstPart->setSize(mWidgetFirstPart->getWidth(), height);
}
if (nullptr != mWidgetSecondPart)
{
int top = pos + mWidgetTrack->getHeight();
int height = mWidgetSecondPart->getHeight() + mWidgetSecondPart->getTop() - top;
mWidgetSecondPart->setCoord(mWidgetSecondPart->getLeft(), top, mWidgetSecondPart->getWidth(), height);
}
}
else
{
// скрываем если диапазан маленький или места мало
if ((mScrollRange < 2) || (pos <= mWidgetTrack->getWidth()))
{
mWidgetTrack->setVisible(false);
if (nullptr != mWidgetFirstPart)
mWidgetFirstPart->setSize(pos / 2, mWidgetFirstPart->getHeight());
if (nullptr != mWidgetSecondPart)
mWidgetSecondPart->setCoord(pos / 2 + (int)mSkinRangeStart, mWidgetSecondPart->getTop(), pos - pos / 2, mWidgetSecondPart->getHeight());
return;
}
// если скрыт то покажем
if (!mWidgetTrack->getVisible())
mWidgetTrack->setVisible(true);
// и обновляем позицию
pos = (int)(((size_t)(pos - getTrackSize()) * mScrollPosition) / (mScrollRange - 1) + mSkinRangeStart);
mWidgetTrack->setPosition(pos, mWidgetTrack->getTop());
if (nullptr != mWidgetFirstPart)
{
int height = pos - mWidgetFirstPart->getLeft();
mWidgetFirstPart->setSize(height, mWidgetFirstPart->getHeight());
}
if (nullptr != mWidgetSecondPart)
{
int top = pos + mWidgetTrack->getWidth();
int height = mWidgetSecondPart->getWidth() + mWidgetSecondPart->getLeft() - top;
mWidgetSecondPart->setCoord(top, mWidgetSecondPart->getTop(), height, mWidgetSecondPart->getHeight());
}
}
}
