--- /dev/null
+#include <QDebug>
+#include <QGraphicsScene>
+#include <QRegExp>
+
+#include "headingobj.h"
+
+extern bool debug;
+
+/////////////////////////////////////////////////////////////////
+// HeadingObj
+/////////////////////////////////////////////////////////////////
+HeadingObj::HeadingObj(QGraphicsItem *parent) : MapObj(parent)
+{
+ // qDebug() << "Const HeadingObj (s) ";
+ init();
+}
+
+HeadingObj::~HeadingObj()
+{
+ // qDebug() << "Destr. HeadingObj "<<heading;
+ while (!textline.isEmpty())
+ delete textline.takeFirst();
+}
+
+void HeadingObj::init()
+{
+ textwidth = 40;
+ color = QColor("black");
+ font = QFont();
+ heading = "";
+ angle = 0;
+}
+
+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));
+}
+
+QGraphicsTextItem *HeadingObj::newLine(QString s)
+{
+ QGraphicsTextItem *t = new QGraphicsTextItem(s, parentItem());
+ t->setFont(font);
+ t->setZValue(dZ_TEXT);
+ t->setDefaultTextColor(color);
+ t->setRotation(angle);
+ return t;
+}
+
+void HeadingObj::setTransformOriginPoint(const QPointF &p)
+{
+ for (int i = 0; i < textline.size(); i++) {
+ textline.at(i)->setTransformOriginPoint(p);
+ }
+}
+
+void HeadingObj::setRotation(const qreal &a)
+{
+ angle = a;
+ for (int i = 0; i < textline.size(); i++)
+ textline.at(i)->setRotation(angle);
+}
+
+qreal HeadingObj::getRotation() { return angle; }
+
+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>") ||
+ s.startsWith("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0//EN\" "
+ "\"http://www.w3.org/TR/REC-html40/strict.dtd\">")) {
+ QGraphicsTextItem *t = new QGraphicsTextItem();
+ t->setFont(font);
+ t->setZValue(dZ_TEXT);
+ t->setHtml(s);
+ t->setDefaultTextColor(color);
+ t->setRotation(angle);
+ scene()->addItem(t);
+ textline.append(t);
+ }
+ else {
+ // 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.indexIn(s, i);
+ if (k >= 0) {
+ br = re.cap(0).length();
+ i = k;
+ }
+ else
+ i = s.indexOf(" ", i);
+ 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;
+ }
+ }
+ }
+ }
+ }
+ }
+ } // ASCII heading with multiple lines
+ 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::setZValue(double z)
+{
+ for (int i = 0; i < textline.size(); ++i)
+ textline.at(i)->setZValue(z);
+}
+
+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 / sven / vym.git / blobdiff