void KoVariable::paint(QPainter &painter, QPaintDevice *pd, const QTextDocument *document, const QRectF &rect, QTextInlineObject object, int posInDocument, const QTextCharFormat &format)
{
Q_D(KoVariable);
Q_UNUSED(document);
Q_UNUSED(posInDocument);
// TODO set all the font properties from the format (color etc)
QFont font(format.font(), pd);
QTextLayout layout(d->value, font, pd);
layout.setCacheEnabled(true);
QList<QTextLayout::FormatRange> layouts;
QTextLayout::FormatRange range;
range.start = 0;
range.length = d->value.length();
range.format = format;
layouts.append(range);
layout.setAdditionalFormats(layouts);
QTextOption option(Qt::AlignLeft | Qt::AlignAbsolute);
if (object.isValid()) {
option.setTextDirection(object.textDirection());
}
layout.setTextOption(option);
layout.beginLayout();
layout.createLine();
layout.endLayout();
layout.draw(&painter, rect.topLeft());
}
void KoInlineNote::resize(const QTextDocument *document, QTextInlineObject object, int posInDocument, const QTextCharFormat &format, QPaintDevice *pd)
{
if (d->label.isEmpty())
return;
Q_ASSERT(format.isCharFormat());
QFontMetricsF fm(format.font(), pd);
object.setWidth(fm.width(d->label));
object.setAscent(fm.ascent());
object.setDescent(fm.descent());
}
void KoVariable::resize(const QTextDocument *document, QTextInlineObject object, int posInDocument, const QTextCharFormat &format, QPaintDevice *pd)
{
Q_D(KoVariable);
Q_UNUSED(document);
Q_UNUSED(posInDocument);
if (d->modified == false)
return;
Q_ASSERT(format.isCharFormat());
QFontMetricsF fm(format.font(), pd);
object.setWidth(fm.width(d->value));
object.setAscent(fm.ascent());
object.setDescent(fm.descent());
d->modified = true;
}
/*!
Sets the size of the inline object \a item corresponding to the text
\a format.
\a posInDocument specifies the position of the object within the document.
The default implementation resizes the \a item to the size returned by
the object handler's intrinsicSize() function. This function is called only
within Qt. Subclasses can reimplement this function to customize the
resizing of inline objects.
*/
void QAbstractTextDocumentLayout::resizeInlineObject(QTextInlineObject item, int posInDocument, const QTextFormat &format)
{
Q_D(QAbstractTextDocumentLayout);
QTextCharFormat f = format.toCharFormat();
Q_ASSERT(f.isValid());
QTextObjectHandler handler = d->handlers.value(f.objectType());
if (!handler.component)
return;
QSizeF s = handler.iface->intrinsicSize(document(), posInDocument, format);
item.setWidth(s.width());
item.setAscent(s.height());
item.setDescent(0);
}
void KoInlineNote::paint(QPainter &painter, QPaintDevice *pd, const QTextDocument *document, const QRectF &rect, QTextInlineObject object, int posInDocument, const QTextCharFormat &format)
{
Q_UNUSED(document);
Q_UNUSED(object);
Q_UNUSED(posInDocument);
if (d->label.isEmpty())
return;
QFont font(format.font(), pd);
QTextLayout layout(d->label, font, pd);
layout.setCacheEnabled(true);
QList<QTextLayout::FormatRange> layouts;
QTextLayout::FormatRange range;
range.start = 0;
range.length = d->label.length();
range.format = format;
range.format.setVerticalAlignment(QTextCharFormat::AlignSuperScript);
layouts.append(range);
layout.setAdditionalFormats(layouts);
QTextOption option(Qt::AlignLeft | Qt::AlignAbsolute);
option.setTextDirection(object.textDirection());
layout.setTextOption(option);
layout.beginLayout();
layout.createLine();
layout.endLayout();
layout.draw(&painter, rect.topLeft());
}
void KoVariable::resize(const QTextDocument *document, QTextInlineObject object, int posInDocument, const QTextCharFormat &format, QPaintDevice *pd)
{
Q_D(KoVariable);
Q_UNUSED(document);
Q_UNUSED(posInDocument);
if (d->modified == false)
return;
if (object.isValid() == false)
return;
d->modified = true;
Q_ASSERT(format.isCharFormat());
QFontMetricsF fm(format.font(), pd);
qreal width = qMax(qreal(0.0), fm.width(d->value));
qreal ascent = fm.ascent();
qreal descent = fm.descent();
if (object.width() != width) {
object.setWidth(width);
}
if (object.ascent() != ascent) {
object.setAscent(ascent);
}
if (object.descent() != descent) {
object.setDescent(descent);
}
}
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);
}
}
