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Dynamic element text item : Add a new option "width" for define the width of the text.

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If the text is wider than the defined width, the text is broken into multiple line.


git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@5220 bfdf4180-ca20-0410-9c96-a3a8aa849046
This commit is contained in:
blacksun
2018-01-26 18:49:38 +00:00
parent 3e48da73b0
commit 31fcec10ff
6 changed files with 96 additions and 14 deletions
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53
sources/qetgraphicsitem/dynamicelementtextitem.cpp
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@@ -52,6 +52,12 @@ DynamicElementTextItem::DynamicElementTextItem(Element *parent_element) :
}
});
//Option when text is displayed in multiple line
QTextOption option = document()->defaultTextOption();
option.setAlignment(Qt::AlignHCenter);
option.setWrapMode(QTextOption::WordWrap);
document()->setDefaultTextOption(option);
}
DynamicElementTextItem::~DynamicElementTextItem()
@@ -86,6 +92,7 @@ QDomElement DynamicElementTextItem::toXml(QDomDocument &dom_doc) const
root_element.setAttribute("font_size", font().pointSize());
root_element.setAttribute("uuid", m_uuid.toString());
root_element.setAttribute("frame", m_frame? "true" : "false");
root_element.setAttribute("text_width", QString::number(m_text_width));
QMetaEnum me = textFromMetaEnum();
root_element.setAttribute("text_from", me.valueToKey(m_text_from));
@@ -139,6 +146,7 @@ void DynamicElementTextItem::fromXml(const QDomElement &dom_elmt)
setFont(QETApp::diagramTextsFont(dom_elmt.attribute("font_size", QString::number(9)).toInt()));
m_uuid = QUuid(dom_elmt.attribute("uuid", QUuid::createUuid().toString()));
setFrame(dom_elmt.attribute("frame", "false") == "true"? true : false);
setTextWidth(dom_elmt.attribute("text_width", QString::number(-1)).toDouble());
//Text from
QMetaEnum me = textFromMetaEnum();
@@ -603,6 +611,7 @@ void DynamicElementTextItem::paint(QPainter *painter, const QStyleOptionGraphics
if (m_frame)
{
painter->save();
painter->setFont(QETApp::diagramTextsFont(fontSize()));
//Adjust the thickness according to the font size,
@@ -620,17 +629,24 @@ void DynamicElementTextItem::paint(QPainter *painter, const QStyleOptionGraphics
painter->setPen(pen);
painter->setRenderHint(QPainter::Antialiasing);
//Get the bounding rectangle of the text
QRectF text_bounding = painter->boundingRect(boundingRect(), toPlainText());
//Center text_bounding in the bounding rect of this
text_bounding.moveTop((boundingRect().height()-text_bounding.height())/2);
text_bounding.moveLeft((boundingRect().width() - text_bounding.width())/2);
//adjust only for better visual
text_bounding.adjust(-2,0,2,0);
//Get the bounding rectangle of the text
QSizeF size = document()->size();
size.setWidth(document()->idealWidth());
//Remove the margin. Size is exactly the bounding rect of the text
size.rheight() -= document()->documentMargin()*2;
size.rwidth() -= document()->documentMargin()*2;
//Add a little margin only for a better visual;
size.rheight() += 2;
size.rwidth() += 2;
//The pos of the rect
QPointF pos = boundingRect().center();
pos.rx() -= size.width()/2;
pos.ry() -= size.height()/2;
//Adjust the rounding of the rectangle according to the size of the font
qreal ro = (qreal)fontSize()/3;
painter->drawRoundedRect(text_bounding, ro, ro);
painter->drawRoundedRect(QRectF(pos, size), ro, ro);
painter->restore();
}
@@ -1262,6 +1278,20 @@ void DynamicElementTextItem::updateXref()
void DynamicElementTextItem::setPlainText(const QString &text)
{
DiagramTextItem::setPlainText(text);
//User define a text width
if(m_text_width > 0)
{
if(document()->size().width() > m_text_width)
{
document()->setTextWidth(m_text_width);
if(document()->size().width() > m_text_width)
{
document()->setTextWidth(document()->idealWidth());
}
}
}
if(m_Xref_item)
m_Xref_item->autoPos();
else if(m_slave_Xref_item)
@@ -1273,3 +1303,10 @@ void DynamicElementTextItem::setPlainText(const QString &text)
}
}
void DynamicElementTextItem::setTextWidth(qreal width)
{
this->document()->setTextWidth(width);
m_text_width = width;
emit textWidthChanged(width);
}