void Cursor::setDocumentHeight(int height, int currentCursorBlock, int currentScrollBackHeight)
{
Q_UNUSED(currentCursorBlock);
resetScrollArea();
if (m_document_height > height) {
const int to_remove = m_document_height - height;
const int removeLinesBelowCursor =
std::min(m_document_height - new_y(), to_remove);
const int removeLinesAtTop = to_remove - removeLinesBelowCursor;
if (!removeLinesAtTop) {
new_ry() -= removeLinesAtTop;
notifyChanged();
}
} else {
int height_diff = height - m_document_height;
if (currentScrollBackHeight >= height_diff) {
new_ry() += height_diff;
} else if (currentScrollBackHeight > 0) {
const int move = height_diff - currentScrollBackHeight;
new_ry() += move;
}
}
m_document_height = height;
if (new_y() >= height) {
new_ry() = height - 1;
notifyChanged();
}
if (new_y() <= 0) {
new_ry() = 0;
}
}
void Cursor::setScreenHeight(int newHeight, int removedBeginning, int reclaimed)
{
resetScrollArea();
m_screen_height = newHeight;
new_ry() -= removedBeginning;
new_ry() += reclaimed;
if (new_y() <= 0) {
new_ry() = 0;
}
}
