void writeDocument(char* start) const {
char* buf = start;
memcpy(buf, _frame.objdata(), _frame.objsize() - 1); // don't copy final EOO
DataView(buf).write<LittleEndian<int>>(documentSize());
buf += (_frame.objsize() - 1);
buf[0] = (char)Object;
buf[1] = 'o';
buf[2] = 0;
memcpy(buf + 3, _oField.objdata(), _oField.objsize());
buf += 3 + _oField.objsize();
buf[0] = EOO;
verify(static_cast<size_t>((buf + 1) - start) == documentSize()); // DEV?
}
void writeDocument(char* start) const {
char* buf = start;
memcpy(buf, _frame.objdata(), _frame.objsize() - 1); // don't copy final EOO
reinterpret_cast<int*>(buf)[0] = documentSize();
buf += (_frame.objsize() - 1);
buf[0] = (char)Object;
buf[1] = 'o';
buf[2] = 0;
memcpy(buf + 3, _oField.objdata(), _oField.objsize());
buf += 3 + _oField.objsize();
buf[0] = EOO;
verify(static_cast<size_t>((buf + 1) - start) == documentSize()); // DEV?
}
QSizeF QAbstractTextDocumentLayout_QtDShell::__override_documentSize(bool static_call) const
{
if (static_call) {
return QSizeF();
} else {
return documentSize();
}
}
void KoPACanvas::updateSize()
{
QSize size;
if ( koPAView()->activePage() ) {
KoPageLayout pageLayout = koPAView()->viewMode()->activePageLayout();
size.setWidth( qRound( koPAView()->zoomHandler()->zoomItX( pageLayout.width ) ) );
size.setHeight( qRound( koPAView()->zoomHandler()->zoomItX( pageLayout.height ) ) );
}
emit documentSize(size);
}
bool CAPresentationHandler::openDocument (const QString& uri)
{
QString error;
QString mimetype = KMimeType::findByPath (uri)->name();
KoDocumentEntry documentEntry = KoDocumentEntry::queryByMimeType(mimetype);
KoPart *part = documentEntry.createKoPart(&error);
if (!part) {
kDebug() << "Doc can't be openend" << error;
return false;
}
d->document = qobject_cast<KPrDocument*> (part->document());
d->document->openUrl (KUrl (uri));
KoCanvasBase* paCanvas = dynamic_cast<KoCanvasBase*>(part->canvasItem(d->document));
KoPACanvasItem* paCanvasItem = dynamic_cast<KoPACanvasItem*> (paCanvas);
if (!paCanvasItem) {
kDebug() << "Failed to fetch a canvas item";
return false;
}
if (paCanvasItem) {
d->paView = new CAPAView (documentController()->canvasController(), dynamic_cast<KoPACanvasBase*> (paCanvas),
d->document);
paCanvasItem->setView (d->paView);
documentController()->canvasController()->setZoomHandler (static_cast<KoZoomHandler*> (paCanvasItem->viewConverter()));
d->paView->connectToZoomController();
// update the canvas whenever we scroll, the canvas controller must emit this signal on scrolling/panning
connect (documentController()->canvasController()->canvasControllerProxyObject(),
SIGNAL(moveDocumentOffset(QPoint)), paCanvasItem, SLOT(slotSetDocumentOffset(QPoint)));
// whenever the size of the document viewed in the canvas changes, inform the zoom controller
connect (paCanvasItem, SIGNAL(documentSize(QSize)), this, SLOT(tellZoomControllerToSetDocumentSize(QSize)));
paCanvasItem->update();
}
setCanvas (paCanvas);
KoToolManager::instance()->addController (documentController()->canvasController());
connect(documentController()->canvasController(), SIGNAL(needsCanvasResize(QSizeF)), SLOT(resizeCanvas(QSizeF)));
connect (documentController()->canvasController(), SIGNAL(needCanvasUpdate()), SLOT(updateCanvas()));
d->paDocumentModel = new CAPADocumentModel(this, d->document);
emit totalNumberOfSlidesChanged();
QTimer::singleShot(0, this, SLOT(nextSlide()));
return true;
}
void KWCanvasItem::updateSize()
{
resourceManager()->setResource(Words::CurrentPageCount, m_document->pageCount());
emit documentSize(m_viewMode->contentsSize());
}
/*! \reimp
*/
void TextDocumentLayout::documentChanged(int from, int /*charsRemoved*/, int charsAdded)
{
QTextDocument *doc = document();
int newBlockCount = doc->blockCount();
QTextBlock changeStartBlock = doc->findBlock(from);
QTextBlock changeEndBlock = doc->findBlock(qMax(0, from + charsAdded - 1));
if (changeStartBlock == changeEndBlock && newBlockCount == d->blockCount) {
QTextBlock block = changeStartBlock;
if (block.isValid() && block.layout()->lineCount()) {
QRectF oldBr = blockBoundingRect(block);
layoutBlock(block);
QRectF newBr = blockBoundingRect(block);
if (newBr.height() == oldBr.height()) {
if (!d->blockUpdate)
emit updateBlock(block);
return;
}
}
} else {
QTextBlock block = changeStartBlock;
do {
block.clearLayout();
if (block == changeEndBlock)
break;
block = block.next();
} while(block.isValid());
}
if (newBlockCount != d->blockCount) {
int changeEnd = changeEndBlock.blockNumber();
int blockDiff = newBlockCount - d->blockCount;
int oldChangeEnd = changeEnd - blockDiff;
if (d->maximumWidthBlockNumber > oldChangeEnd)
d->maximumWidthBlockNumber += blockDiff;
d->blockCount = newBlockCount;
if (d->blockCount == 1)
d->maximumWidth = blockWidth(doc->firstBlock());
if (!d->blockDocumentSizeChanged)
emit documentSizeChanged(documentSize());
if (blockDiff == 1 && changeEnd == newBlockCount -1 ) {
if (!d->blockUpdate)
{
QTextBlock b = changeStartBlock;
for(;;) {
emit updateBlock(b);
if (b == changeEndBlock)
break;
b = b.next();
}
}
return;
}
}
if (!d->blockUpdate)
emit update(QRectF(0., -doc->documentMargin(), 1000000000., 1000000000.)); // optimization potential
}
void TextDocumentLayout::layoutBlock(const QTextBlock &block)
{
QTextDocument *doc = document();
qreal margin = doc->documentMargin();
qreal blockMaximumWidth = 0;
qreal height = 0;
QTextLayout *tl = block.layout();
QTextOption option = doc->defaultTextOption();
tl->setTextOption(option);
int extraMargin = 0;
if (option.flags() & QTextOption::AddSpaceForLineAndParagraphSeparators) {
QFontMetrics fm(block.charFormat().font());
extraMargin += fm.width(QChar(0x21B5));
}
tl->beginLayout();
qreal availableWidth = d->width;
if (availableWidth <= 0) {
availableWidth = qreal(INT_MAX); // similar to text edit with pageSize.width == 0
}
availableWidth -= 2*margin + extraMargin;
qreal indentMargin = 0;
while (1) {
QTextLine line = tl->createLine();
if (!line.isValid())
break;
line.setLeadingIncluded(true);
line.setLineWidth(availableWidth - indentMargin);
line.setPosition(QPointF(margin + indentMargin, height));
if(!height) //enter only in the first iteration
{
indentMargin = indentWidth(block);
}
height += line.height();
blockMaximumWidth = qMax(blockMaximumWidth, line.naturalTextWidth() + 2*margin);
}
tl->endLayout();
int previousLineCount = doc->lineCount();
const_cast<QTextBlock&>(block).setLineCount(block.isVisible() ? tl->lineCount() : 0);
int lineCount = doc->lineCount();
bool emitDocumentSizeChanged = previousLineCount != lineCount;
if (blockMaximumWidth > d->maximumWidth) {
// new longest line
d->maximumWidth = blockMaximumWidth;
d->maximumWidthBlockNumber = block.blockNumber();
emitDocumentSizeChanged = true;
} else if (block.blockNumber() == d->maximumWidthBlockNumber && blockMaximumWidth < d->maximumWidth) {
// longest line shrinking
QTextBlock b = doc->firstBlock();
d->maximumWidth = 0;
QTextBlock maximumBlock;
while (b.isValid()) {
qreal blockMaximumWidth = blockWidth(b);
if (blockMaximumWidth > d->maximumWidth) {
d->maximumWidth = blockMaximumWidth;
maximumBlock = b;
}
b = b.next();
}
if (maximumBlock.isValid()) {
d->maximumWidthBlockNumber = maximumBlock.blockNumber();
emitDocumentSizeChanged = true;
}
}
if (emitDocumentSizeChanged)// && !d->blockDocumentSizeChanged)
emit documentSizeChanged(documentSize());
emit updateBlock(block);
}
QSizeF DhQAbstractTextDocumentLayout::DvhdocumentSize() const {
return documentSize();
}
void NCDocLayout::forceUpdate() {
emit documentSizeChanged(documentSize());
}
