PRectangle ListBoxImpl::GetDesiredRect()
{
ListWidget *list = static_cast<ListWidget *>(wid);
int rows = Length();
if (rows == 0 || rows > visibleRows) {
rows = visibleRows;
}
int rowHeight = list->sizeHintForRow(0);
int height = (rows * rowHeight) + (2 * list->frameWidth());
QStyle *style = QApplication::style();
int width = list->sizeHintForColumn(0) + (2 * list->frameWidth());
if (Length() > rows) {
width += style->pixelMetric(QStyle::PM_ScrollBarExtent);
}
return PRectangle(0, 0, width, height);
}
int ListBoxImpl::CaretFromEdge()
{
ListWidget *list = static_cast<ListWidget *>(wid);
int maxIconWidth = 0;
foreach (QPixmap im, images) {
if (maxIconWidth < im.width())
maxIconWidth = im.width();
}
// The '7' is from trial and error on Windows - there may be
// a better programmatic way to find any padding factors.
return maxIconWidth + (2 * list->frameWidth()) + 7;
}
