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/* This file is part of the KDE project
* Copyright (C) 2007, 2009-2010 Thomas Zander <zander@kde.org>
* Copyright (C) 2010 Ko Gmbh <cbo@kogmbh.com>
* Copyright (C) 2011 Matus Hanzes <matus.hanzes@ixonos.com>
* Copyright (C) 2013 C. Boemann <cbo@boemann.dk>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "KoAnchorInlineObject.h"
#include "KoInlineObject_p.h"
#include "KoShapeAnchor.h"
#include <KoShapeSavingContext.h>
#include <KoShapeLoadingContext.h>
#include <KoShape.h>
#include <QTextInlineObject>
#include <QFontMetricsF>
#include "TextDebug.h"
// #define DEBUG_PAINTING
class KoAnchorInlineObjectPrivate : public KoInlineObjectPrivate
{
public:
KoAnchorInlineObjectPrivate(KoShapeAnchor *p)
: parent(p)
, document(0)
, position(-1)
, inlineObjectAscent(0)
, inlineObjectDescent(0)
{
}
KoShapeAnchor *parent;
const QTextDocument *document;
int position;
QTextCharFormat format;
qreal inlineObjectAscent;
qreal inlineObjectDescent;
};
KoAnchorInlineObject::KoAnchorInlineObject(KoShapeAnchor *parent)
: KoInlineObject(*(new KoAnchorInlineObjectPrivate(parent)), false)
{
Q_ASSERT(parent);
parent->setTextLocation(this);
}
KoAnchorInlineObject::~KoAnchorInlineObject()
{
}
KoShapeAnchor *KoAnchorInlineObject::anchor() const
{
Q_D(const KoAnchorInlineObject);
return d->parent;
}
void KoAnchorInlineObject::updatePosition(const QTextDocument *document, int posInDocument, const QTextCharFormat &format)
{
Q_D(KoAnchorInlineObject);
d->document = document;
d->position = posInDocument;
d->format = format;
if (d->parent->placementStrategy() != 0) {
d->parent->placementStrategy()->updateContainerModel();
}
}
void KoAnchorInlineObject::resize(const QTextDocument *document, QTextInlineObject &object, int posInDocument, const QTextCharFormat &format, QPaintDevice *pd)
{
Q_UNUSED(document);
Q_UNUSED(posInDocument);
Q_D(KoAnchorInlineObject);
if (!d->parent->shape()->isVisible()) {
// Per default the shape this anchor presents is hidden and we only make it visible once an explicit resize-request
// was made. This prevents shapes that are anchored at e.g. hidden textboxes to not become visible as long as they
// are not asked to resize.
d->parent->shape()->setVisible(true);
}
// important detail; top of anchored shape is at the baseline.
QFontMetricsF fm(format.font(), pd);
if (d->parent->anchorType() == KoShapeAnchor::AnchorAsCharacter) {
QPointF offset = d->parent->offset();
offset.setX(0);
d->parent->setOffset(offset);
object.setWidth(d->parent->shape()->size().width());
if (d->parent->verticalRel() == KoShapeAnchor::VBaseline) {
// baseline implies special meaning of the position attribute:
switch (d->parent->verticalPos()) {
case KoShapeAnchor::VFromTop:
object.setAscent(qMax((qreal) 0, -offset.y()));
object.setDescent(qMax((qreal) 0, d->parent->shape()->size().height() + offset.y()));
break;
case KoShapeAnchor::VTop:
object.setAscent(d->parent->shape()->size().height());
object.setDescent(0);
break;
case KoShapeAnchor::VMiddle:
object.setAscent(d->parent->shape()->size().height()/2);
object.setDescent(d->parent->shape()->size().height()/2);
break;
case KoShapeAnchor::VBottom:
object.setAscent(0);
object.setDescent(d->parent->shape()->size().height());
break;
default:
break;
}
} else {
qreal boundTop = fm.ascent();
switch (d->parent->verticalPos()) {
case KoShapeAnchor::VFromTop:
object.setAscent(qMax((qreal) 0, -offset.y()));
object.setDescent(qMax((qreal) 0, d->parent->shape()->size().height() + offset.y()));
break;
case KoShapeAnchor::VTop:
object.setAscent(boundTop);
object.setDescent(qMax((qreal) 0, d->parent->shape()->size().height() - boundTop));
break;
case KoShapeAnchor::VMiddle:
object.setAscent(d->parent->shape()->size().height()/2);
object.setDescent(d->parent->shape()->size().height()/2);
break;
case KoShapeAnchor::VBottom:
object.setAscent(0);
object.setDescent(d->parent->shape()->size().height());
break;
default:
break;
}
}
d->inlineObjectAscent = object.ascent();
d->inlineObjectDescent = object.descent();
} else {
object.setWidth(0);
object.setAscent(0);
object.setDescent(0);
}
}
void KoAnchorInlineObject::paint(QPainter &, QPaintDevice *, const QTextDocument *, const QRectF &, const QTextInlineObject &, int , const QTextCharFormat &)
{
}
int KoAnchorInlineObject::position() const
{
Q_D(const KoAnchorInlineObject);
return d->position;
}
const QTextDocument *KoAnchorInlineObject::document() const
{
Q_D(const KoAnchorInlineObject);
return d->document;
}
qreal KoAnchorInlineObject::inlineObjectAscent() const
{
Q_D(const KoAnchorInlineObject);
return d->inlineObjectAscent;
}
qreal KoAnchorInlineObject::inlineObjectDescent() const
{
Q_D(const KoAnchorInlineObject);
return d->inlineObjectDescent;
}
bool KoAnchorInlineObject::loadOdf(const KoXmlElement &, KoShapeLoadingContext &)
{
// do nothing
return true;
}
void KoAnchorInlineObject::saveOdf(KoShapeSavingContext &context)
{
Q_D(KoAnchorInlineObject);
d->parent->saveOdf(context);
}
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