void QDeclarativeTextEditPrivate::updateDefaultTextOption()
{
QTextOption opt = document->defaultTextOption();
int oldAlignment = opt.alignment();
opt.setAlignment((Qt::Alignment)(int)(hAlign | vAlign));
QTextOption::WrapMode oldWrapMode = opt.wrapMode();
if (wrap)
opt.setWrapMode(QTextOption::WordWrap);
else
opt.setWrapMode(QTextOption::NoWrap);
if (oldWrapMode == opt.wrapMode() && oldAlignment == opt.alignment())
return;
document->setDefaultTextOption(opt);
}
QSizeF QwtRichTextEngine::textSize( const QFont &font,
int flags, const QString& text ) const
{
QwtRichTextDocument doc( text, flags, font );
QTextOption option = doc.defaultTextOption();
if ( option.wrapMode() != QTextOption::NoWrap )
{
option.setWrapMode( QTextOption::NoWrap );
doc.setDefaultTextOption( option );
doc.adjustSize();
}
return doc.size();
}
QSize QwtRichTextEngine::textSize(const QFont &font,
int flags, const QString& text) const
{
QwtRichTextDocument doc(text, flags, font);
#if QT_VERSION < 0x040000
doc.setWidth(QWIDGETSIZE_MAX);
const int w = doc.widthUsed();
const int h = doc.height();
return QSize(w, h);
#else // QT_VERSION >= 0x040000
#if QT_VERSION < 0x040200
/*
Unfortunately offering the bounding rect calculation in the
API of QTextDocument has been forgotten in Qt <= 4.1.x. It
is planned to come with Qt 4.2.x.
In the meantime we need a hack with a temporary QLabel,
to reengineer the internal calculations.
*/
static int off = 0;
static QLabel *label = NULL;
if ( label == NULL )
{
label = new QLabel;
label->hide();
const char *s = "XXXXX";
label->setText(s);
int w1 = label->sizeHint().width();
const QFontMetrics fm(label->font());
int w2 = fm.width(s);
off = w1 - w2;
}
label->setFont(doc.defaultFont());
label->setText(text);
int w = qwtMax(label->sizeHint().width() - off, 0);
doc.setPageSize(QSize(w, QWIDGETSIZE_MAX));
int h = qRound(doc.documentLayout()->documentSize().height());
return QSize(w, h);
#else // QT_VERSION >= 0x040200
#if QT_VERSION >= 0x040300
QTextOption option = doc.defaultTextOption();
if ( option.wrapMode() != QTextOption::NoWrap )
{
option.setWrapMode(QTextOption::NoWrap);
doc.setDefaultTextOption(option);
doc.adjustSize();
}
#endif
return doc.size().toSize();
#endif
#endif
}
int TextOption::wrapMode ( lua_State * L ) //const
{
QTextOption* lhs = ValueInstaller2<QTextOption>::check( L, 1 );
Util::push( L, lhs->wrapMode() );
return 0;
}
