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/* This file is part of the KDE project
* SPDX-FileCopyrightText: 2007 Thomas Zander <zander@kde.org>
*
* SPDX-License-Identifier: LGPL-2.0-or-later
*/
#include "KoTextLocator.h"
#include "KoTextPage.h"
#include "KoTextReference.h"
#include "styles/KoListStyle.h"
#include <KoShape.h>
#include "TextDebug.h"
#include <QTextBlock>
#include <QTextCursor>
#include <QTextDocument>
#include <QTextInlineObject>
#include <QTextList>
// Include Q_UNSUSED classes, for building on Windows
#include <KoShapeLoadingContext.h>
#include <KoShapeSavingContext.h>
class Q_DECL_HIDDEN KoTextLocator::Private
{
public:
Private(KoTextLocator *q)
: q(q)
, document(nullptr)
, dirty(false)
, cursorPosition(0)
, chapterPosition(-1)
, pageNumber(0)
{
}
void update()
{
if (dirty == false)
return;
dirty = false;
chapterPosition = -1;
int pageTmp = pageNumber, chapterTmp = chapterPosition;
if (document == nullptr)
return;
QTextBlock block = document->findBlock(cursorPosition);
while (block.isValid()) {
QTextList *list = block.textList();
if (list) {
QTextListFormat lf = list->format();
int level = lf.intProperty(KoListStyle::Level);
if (level == 1) {
chapterPosition = block.position();
break;
}
}
block = block.previous();
}
/*
KoShape *shape = shapeForPosition(document, cursorPosition);
if (shape == 0)
pageNumber = -1;
else {
KoTextShapeData *data = static_cast<KoTextShapeData*>(shape->userData());
KoTextPage* page = data->page();
pageNumber = page->pageNumber();
}
*/
if (pageTmp != pageNumber || chapterTmp != chapterPosition) {
foreach (KoTextReference *reference, listeners)
reference->variableMoved(nullptr, 0);
}
}
KoTextLocator *q;
const QTextDocument *document;
bool dirty;
int cursorPosition;
int chapterPosition;
int pageNumber;
QList<KoTextReference *> listeners;
};
KoTextLocator::KoTextLocator()
: KoInlineObject(false)
, d(new Private(this))
{
}
KoTextLocator::~KoTextLocator()
{
delete d;
}
void KoTextLocator::updatePosition(const QTextDocument *document, int posInDocument, const QTextCharFormat &format)
{
Q_UNUSED(format);
if (d->document != document || d->cursorPosition != posInDocument) {
d->dirty = true;
d->document = document;
d->cursorPosition = posInDocument;
// debugText <<"KoTextLocator page:" << pageNumber() <<", chapter:" << chapter() <<", '" << word() <<"'";
}
}
void KoTextLocator::resize(const QTextDocument *document, QTextInlineObject &object, int posInDocument, const QTextCharFormat &format, QPaintDevice *pd)
{
Q_UNUSED(document);
Q_UNUSED(posInDocument);
Q_UNUSED(format);
Q_UNUSED(pd);
object.setWidth(0);
object.setAscent(0);
object.setDescent(0);
}
void KoTextLocator::paint(QPainter &, QPaintDevice *, const QTextDocument *, const QRectF &, const QTextInlineObject &, int, const QTextCharFormat &)
{
// nothing to paint.
}
QString KoTextLocator::chapter() const
{
d->update();
if (d->chapterPosition < 0)
return QString();
QTextBlock block = d->document->findBlock(d->chapterPosition);
return block.text().remove(QChar::ObjectReplacementCharacter);
}
int KoTextLocator::pageNumber() const
{
d->update();
return d->pageNumber;
}
int KoTextLocator::indexPosition() const
{
return d->cursorPosition;
}
QString KoTextLocator::word() const
{
if (d->document == nullptr) // layout never started
return QString();
QTextCursor cursor(const_cast<QTextDocument *>(d->document));
cursor.setPosition(d->cursorPosition);
cursor.movePosition(QTextCursor::NextWord);
cursor.movePosition(QTextCursor::WordLeft, QTextCursor::KeepAnchor);
return cursor.selectedText().trimmed().remove(QChar::ObjectReplacementCharacter);
}
void KoTextLocator::addListener(KoTextReference *reference)
{
d->listeners.append(reference);
}
void KoTextLocator::removeListener(KoTextReference *reference)
{
d->listeners.removeAll(reference);
}
bool KoTextLocator::loadOdf(const KoXmlElement &element, KoShapeLoadingContext &context)
{
Q_UNUSED(element);
Q_UNUSED(context);
// TODO
return false;
}
void KoTextLocator::saveOdf(KoShapeSavingContext &context)
{
Q_UNUSED(context);
// TODO
}
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