void TextDocument::drawBackground(QPainter* painter, const QRect& bounds)
{
if (d.highlights.isEmpty() && d.lowlight == -1)
return;
const int margin = qCeil(documentMargin());
const QAbstractTextDocumentLayout* layout = documentLayout();
static QPointer<TextLowlight> lowlightFrame = 0;
if (!lowlightFrame)
lowlightFrame = new TextLowlight(static_cast<QWidget*>(painter->device()));
static QPointer<TextHighlight> highlightFrame = 0;
if (!highlightFrame)
highlightFrame = new TextHighlight(static_cast<QWidget*>(painter->device()));
if (d.lowlight != -1) {
const QAbstractTextDocumentLayout* layout = documentLayout();
const int margin = qCeil(documentMargin());
const QTextBlock to = findBlockByNumber(d.lowlight);
if (to.isValid()) {
QRect br = layout->blockBoundingRect(to).toAlignedRect();
br.setTop(0);
if (bounds.intersects(br)) {
br.adjust(-margin - 1, 0, margin + 1, 2);
painter->translate(br.topLeft());
lowlightFrame->setGeometry(br);
lowlightFrame->render(painter);
painter->translate(-br.topLeft());
}
}
}
foreach (int highlight, d.highlights) {
QTextBlock block = findBlockByNumber(highlight);
if (block.isValid()) {
QRect br = layout->blockBoundingRect(block).toAlignedRect();
if (bounds.intersects(br)) {
br.adjust(-margin - 1, 0, margin + 1, 2);
painter->translate(br.topLeft());
highlightFrame->setGeometry(br);
highlightFrame->render(painter);
painter->translate(-br.topLeft());
}
}
}
}
void TextDocument::updateBlock(int number)
{
if (d.visible) {
QTextBlock block = findBlockByNumber(number);
if (block.isValid())
QMetaObject::invokeMethod(documentLayout(), "updateBlock", Q_ARG(QTextBlock, block));
}
}
void TextModelLavaan::contentChangedHandler()
{
_changed = true;
_content = toPlainText();
QTextBlock current = findBlockByNumber(_currentBlock);
checkBlock(current);
}
void TextDocument::drawForeground(QPainter* painter, const QRect& bounds)
{
const int num = blockCount() - d.uc;
if (num > 0) {
const QPen oldPen = painter->pen();
const QBrush oldBrush = painter->brush();
painter->setBrush(Qt::NoBrush);
painter->setPen(QPen(QPalette().color(QPalette::Mid), 1, Qt::DashLine));
QTextBlock block = findBlockByNumber(num);
if (block.isValid()) {
QRect br = documentLayout()->blockBoundingRect(block).toAlignedRect();
if (bounds.intersects(br)) {
QLine line(br.topLeft(), br.topRight());
line.translate(0, -2);
painter->drawLine(line);
}
}
painter->setPen(oldPen);
painter->setBrush(oldBrush);
}
}
void TextModelLavaan::checkEverything()
{
bool foundError = false;
for (int i = 0; i < blockCount(); i++)
{
QTextBlock block = findBlockByNumber(i);
checkBlock(block);
BlockStatus *status = blockStatus(block);
if (foundError == false && status->isError())
{
setErrorState(true, status->message, i, status->pos, status->length);
foundError = true;
QTextCursor cursor(block);
blockSignals(true);
/*QTextCharFormat format;
format.setUnderlineStyle(QTextCharFormat::WaveUnderline);
format.setUnderlineColor(Qt::red);
if (status->length == -1)
{
if (i != _currentBlock)
{
if (status->inserted == false)
{
cursor.movePosition(QTextCursor::StartOfBlock);
cursor.movePosition(QTextCursor::Right, QTextCursor::MoveAnchor, status->pos);
cursor.insertText(" ");
cursor.insertText(" ", format);
status->inserted = true;
}
else
{
cursor.movePosition(QTextCursor::StartOfBlock);
cursor.movePosition(QTextCursor::Right, QTextCursor::MoveAnchor, status->pos + 1);
cursor.movePosition(QTextCursor::Right, QTextCursor::KeepAnchor, 4);
cursor.mergeCharFormat(format);
}
}
}
else
{
cursor.movePosition(QTextCursor::StartOfBlock);
cursor.movePosition(QTextCursor::Right, QTextCursor::MoveAnchor, status->pos);
cursor.movePosition(QTextCursor::Right, QTextCursor::KeepAnchor, status->length);
cursor.mergeCharFormat(format);
}*/
qDebug() << "error " << status->pos << " " << status->length << "\n";
blockSignals(false);
}
}
if ( ! foundError)
setErrorState(false);
}
