--- /dev/null
+#include "headingobj.h"
+#include <qregexp.h>
+
+/////////////////////////////////////////////////////////////////
+// HeadingObj
+/////////////////////////////////////////////////////////////////
+HeadingObj::HeadingObj() : MapObj()
+{
+// cout << "Const HeadingObj ()\n";
+ init ();
+}
+
+HeadingObj::HeadingObj(QGraphicsScene *s) :MapObj(s)
+{
+// cout << "Const HeadingObj (s)\n";
+ init ();
+}
+
+HeadingObj::~HeadingObj()
+{
+// cout << "Destr. HeadingObj "<<qPrintable(heading)<<endl;
+ while (!textline.isEmpty())
+ delete textline.takeFirst();
+}
+
+void HeadingObj::init()
+{
+ textwidth=40;
+ color=QColor ("black");
+ font=QFont();
+ heading="";
+}
+
+void HeadingObj::copy(HeadingObj *other)
+{
+ MapObj::copy (other);
+ textwidth=other->textwidth;
+ color=other->color;
+ font=other->font;
+ setText (other->text() );
+}
+
+void HeadingObj::move(double x, double y)
+{
+ MapObj::move(x,y);
+
+ qreal h; // height of a textline
+ qreal ho; // offset of height while drawing all lines
+
+ if (!textline.isEmpty() )
+ h=textline.first()->boundingRect().height();
+ else
+ h=2;
+ ho=0;
+ for (int i=0; i<textline.size(); ++i)
+ {
+ textline.at(i)->setPos(x,y+ho);
+ ho=ho+h;
+ }
+}
+
+
+void HeadingObj::moveBy(double x, double y)
+{
+ move (x+absPos.x(),y+absPos.y() );
+}
+
+void HeadingObj::positionBBox()
+{
+ bbox.setX (absPos.x());
+ bbox.setY (absPos.y());
+}
+
+void HeadingObj::calcBBoxSize()
+{
+ qreal w=0;
+ qreal h=0;
+ // Using Backspace an empty heading might easily be created, then there
+ // would be textline.first()==NULL This can be worked around by the following, but
+ // then no selection would be visible, thus we prevent it in ::setText()
+ if (!textline.isEmpty() )
+ {
+ for (int i=0; i<textline.size(); i++)
+ {
+ h+=textline.at(i)->boundingRect().height();
+ if (w<textline.at(i)->boundingRect().width() )
+ w=textline.at(i)->boundingRect().width();
+ }
+ }
+ bbox.setSize (QSizeF(w,h));
+}
+
+//QGraphicsSimpleTextItem* HeadingObj::newLine(QString s)
+QGraphicsTextItem* HeadingObj::newLine(QString s)
+{
+ //QGraphicsSimpleTextItem *t=new QGraphicsSimpleTextItem (s,0,scene);
+ QGraphicsTextItem *t=new QGraphicsTextItem (s,0,scene);
+ t->setFont (font);
+ t->setZValue(Z_TEXT);
+ // TextItem
+ t->setDefaultTextColor(color);
+ // SimpleTextItem
+ //t->setBrush(color);
+ return t;
+}
+
+void HeadingObj::setText (QString s)
+{
+ heading=s;
+
+ // remove old textlines and prepare generating new ones
+ while (!textline.isEmpty())
+ delete textline.takeFirst();
+
+ if (s.startsWith("<html>"))
+ {
+ QGraphicsTextItem *t=new QGraphicsTextItem ();
+ t->setFont (font);
+ t->setZValue(Z_TEXT);
+ t->setHtml (s);
+ t->setDefaultTextColor(color);
+ scene->addItem (t);
+ textline.append (t);
+ setVisibility (visible);
+ move (absPos.x(),absPos.y());
+ calcBBoxSize();
+ return;
+ }
+
+ // prevent empty textline, so at least a small selection stays
+ // visible for this heading
+ if (s.length()==0) s=" ";
+
+ int i=0; // index for actual search for ws
+ int j=0; // index of last ws
+ int k=0; // index of "<br>" or similar linebreak
+ int br=0; // width of found break, e.g. for <br> it is 4
+ QRegExp re("<br.*/>");
+ re.setMinimal (true);
+
+ // set the text and wrap lines
+ while (s.length()>0)
+ {
+ // ok, some people wanted manual linebreaks, here we go
+ k=re.search (s,i);
+ if (k>=0)
+ {
+ br=re.cap(0).length();
+ i=k;
+ } else
+ i=s.find (" ",i,false);
+ if (i<0 && j==0)
+ { // no ws found at all in s
+ // append whole s
+ textline.append (newLine(s));
+ s="";
+ } else
+ {
+ if (i<0 && j>0)
+ { // no ws found in actual search
+ if (s.length()<=textwidth)
+ {
+ textline.append (newLine(s));
+ s="";
+ } else
+ {
+ textline.append (newLine(s.left(j)));
+ s=s.mid(j+1,s.length());
+ j=0;
+ }
+ } else
+ {
+ if (i>= 0 && i<=static_cast <int> (textwidth))
+ { // there is a ws in textwidth
+ if (br>0)
+ {
+ // here is a linebreak
+ textline.append (newLine(s.left(i)));
+ s=s.mid(i+br,s.length());
+ i=0;
+ j=0;
+ br=0;
+ } else
+ {
+ j=i;
+ i++;
+ }
+ } else
+ {
+ if (i>static_cast <int> (textwidth) )
+ {
+ if (j>0)
+ { // a ws out of textwidth, but we have also one in
+ textline.append (newLine(s.left(j)));
+ s=s.mid(j+1,s.length());
+ i=0;
+ j=0;
+ } else
+ { // a ws out of text, but none in
+ textline.append (newLine(s.left(i)));
+ s=s.mid(i+1,s.length());
+ i=0;
+ }
+ }
+ }
+ }
+ }
+ }
+ setVisibility (visible);
+ move (absPos.x(),absPos.y());
+ calcBBoxSize();
+}
+
+QString HeadingObj::text ()
+{
+ return heading;
+}
+
+void HeadingObj::setFont (QFont f)
+{
+ if (font!=f)
+ {
+ font=f;
+ setText (text());
+ }
+}
+
+QFont HeadingObj::getFont()
+{
+ return font;
+}
+
+
+void HeadingObj::setColor (QColor c)
+{
+ if (color!=c)
+ {
+ color=c;
+ for (int i=0; i<textline.size(); ++i)
+ // TextItem
+ textline.at(i)->setDefaultTextColor(c);
+ // SimpleTextItem
+ //textline.at(i)->setBrush(c);
+ }
+}
+
+QColor HeadingObj::getColor()
+{
+ return color;
+}
+
+void HeadingObj::setVisibility (bool v)
+{
+ MapObj::setVisibility(v);
+ for (int i=0; i<textline.size(); ++i)
+ if (v)
+ textline.at(i)->show();
+ else
+ textline.at(i)->hide();
+}
+
+qreal HeadingObj::getHeight ()
+{
+ return bbox.height();
+}
+
+qreal HeadingObj::getWidth()
+{
+ return bbox.width();
+}
+
projects / vym / blobdiff