QwtRichTextDocument( const QString &text, int flags, const QFont &font )
{
setUndoRedoEnabled( false );
setDefaultFont( font );
setHtml( text );
// make sure we have a document layout
( void )documentLayout();
QTextOption option = defaultTextOption();
if ( flags & Qt::TextWordWrap )
option.setWrapMode( QTextOption::WordWrap );
else
option.setWrapMode( QTextOption::NoWrap );
option.setAlignment( ( Qt::Alignment ) flags );
setDefaultTextOption( option );
QTextFrame *root = rootFrame();
QTextFrameFormat fm = root->frameFormat();
fm.setBorder( 0 );
fm.setMargin( 0 );
fm.setPadding( 0 );
fm.setBottomMargin( 0 );
fm.setLeftMargin( 0 );
root->setFrameFormat( fm );
adjustSize();
}
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));
}
}
QSize KDTextDocument::sizeForWidth(int w)
{
Q_UNUSED( w );
setPageSize(QSize(0, 100000));
return documentLayout()->documentSize().toSize();
}
QString TextDocument::tooltip(const QPoint& point) const
{
const int pos = documentLayout()->hitTest(point, Qt::FuzzyHit);
const QTextBlock block = findBlock(pos);
TextBlockMessageData* blockData = static_cast<TextBlockMessageData*>(block.userData());
if (blockData)
return formatEvents(blockData->data.getEvents());
return QString();
}
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);
}
}