void TextBox::scrollToCaret()
{
Widget *par = getParent();
if (par == NULL)
{
return;
}
ScrollArea* scrollArea = dynamic_cast<ScrollArea *>(par);
if (scrollArea != NULL)
{
Rectangle scroll;
scroll.x = getFont()->getWidth(mTextRows[mCaretRow].substr(0, mCaretColumn));
scroll.y = getFont()->getHeight() * mCaretRow;
scroll.width = 6;
scroll.height = getFont()->getHeight() + 2; // add 2 for some extra space
scrollArea->scrollToRectangle(scroll);
}
}
void ListBox::setSelected(int selected)
{
if (mListModel == NULL)
{
mSelected = -1;
}
else
{
if (selected < 0)
{
mSelected = -1;
}
else if (selected >= mListModel->getNumberOfElements())
{
mSelected = mListModel->getNumberOfElements() - 1;
}
else
{
mSelected = selected;
}
Widget *par = getParent();
if (par == NULL)
{
return;
}
ScrollArea* scrollArea = dynamic_cast<ScrollArea *>(par);
if (scrollArea != NULL)
{
Rectangle scroll;
scroll.y = getFont()->getHeight() * mSelected;
scroll.height = getFont()->getHeight();
scrollArea->scrollToRectangle(scroll);
}
}
setDirty(true);
}
