void DiagramTextItem::serialize(QDataStream& out) const
{
out << textWidth();
out << font();
out << defaultTextColor();
out << toPlainText();
QPointF point = pos();
out << point;
out << *this;
}
/**
* This is a utility method to copy all the attributes of this
* TextItem to \a other TextItem.
*/
void TextItem::copyAttributesTo(TextItem *other) const
{
other->setDefaultTextColor(defaultTextColor());
other->setHoverBrush(hoverBrush());
other->setAcceptHoverEvents(acceptHoverEvents());
other->setAlignment(alignment());
other->setFont(font());
other->setBold(bold());
other->setItalic(italic());
other->setUnderline(underline());
other->setBackgroundBrush(backgroundBrush());
}
void AATextItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget){
if(hasFocus()){
QGraphicsTextItem::paint(painter, option, widget);
return;
}
painter->setRenderHint(QPainter::Antialiasing);
QPainterPath path;
QFontMetrics fm(font());
path.addText(document()->documentMargin(), fm.height(), font(), toPlainText());
painter->fillPath(path, defaultTextColor());
}
void AATextItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget){
if (hasFocus()){
QGraphicsTextItem::paint(painter, option, widget);
return;
}
painter->setRenderHints(QPainter::Antialiasing | QPainter::TextAntialiasing);
QPainterPath path;
QString s = toPlainText();
QTextDocument *doc = document();
qreal margin = doc->documentMargin();
QStringList lines = s.split("\n", QString::SkipEmptyParts);
QFont f = font();
f.setStyleHint(QFont::AnyStyle, QFont::PreferAntialias);
QFontMetrics fm(f);
QFont f_bold = f;
f_bold.setBold(true);
QFontMetrics fm_bold(f_bold);
int line = 0;
for (int i = 0; i < lines.length(); i++){
QString thisline = lines[i];
QStringList s1 = thisline.split(']', QString::SkipEmptyParts);
QStringList s_non_bold, s_bold;
foreach(QString s, s1){
if (!s.contains('[')){
s_non_bold << s;
s_bold << QString();
}
else if (!s.startsWith('[')){
QStringList s2 = s.split('[', QString::SkipEmptyParts);
s_non_bold << s2.first();
s_bold << s2.last();
}
else {
s = s.mid(1);
s_non_bold << QString();
s_bold << s;
}
}
int width = 0;
for (int j = 0; j < s_non_bold.length(); j++){
QString non_bold = s_non_bold[j];
for (int k = 0; k < non_bold.length(); k++){
QChar c = non_bold[k];
QString str = c;
int width_c = fm.width(str);
if (width + width_c > doc->size().width()){
++line;
width = 0;
}
path.addText(margin + width, fm.height() * (line + 1), f, str);
width += width_c;
}
QString bold = s_bold[j];
for (int k = 0; k < bold.length(); k++){
QChar c = bold[k];
QString str = c;
int width_c = fm_bold.width(str);
if (width + width_c > doc->size().width()){
++line;
width = 0;
}
path.addText(margin + width, fm.height() * (line + 1), f_bold, str); //use fm.height not fm_bold.height, for sometimes the bold characters are not as high as the non-bold ones
width += width_c;
}
}
++line;
}
painter->fillPath(path, defaultTextColor());
}
