mirror of
https://github.com/jkriege2/JKQtPlotter.git
synced 2024-12-25 01:51:49 +08:00
414 lines
10 KiB
C++
414 lines
10 KiB
C++
/*
|
|
Copyright (c) 2008-2022 Jan W. Krieger (<jan@jkrieger.de>)
|
|
|
|
|
|
|
|
This software is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License (LGPL) as published by
|
|
the Free Software Foundation, either version 2.1 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Lesser General Public License (LGPL) for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License (LGPL)
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
|
|
|
|
#include "jkqtmathtext/nodes/jkqtmathtextnode.h"
|
|
#include "jkqtmathtext/jkqtmathtexttools.h"
|
|
#include "jkqtmathtext/jkqtmathtext.h"
|
|
#include "jkqtcommon/jkqtpcodestructuring.h"
|
|
#include "jkqtcommon/jkqtpstringtools.h"
|
|
#include <cmath>
|
|
#include <QFontMetricsF>
|
|
#include <QDebug>
|
|
#include <QFontDatabase>
|
|
#include <QFontInfo>
|
|
#include <QApplication>
|
|
#include <QFont>
|
|
|
|
|
|
// --------------------------------------------------------------------------------------------------
|
|
// -- implementation of the JKQTMathTextNode's methods
|
|
// --------------------------------------------------------------------------------------------------
|
|
|
|
|
|
JKQTMathTextNode::JKQTMathTextNode(JKQTMathText *_parent):
|
|
parentMathText(_parent),
|
|
parentNode(nullptr),
|
|
drawBoxes(false),
|
|
subSuperscriptAboveBelowNode(false)
|
|
{
|
|
|
|
}
|
|
|
|
JKQTMathTextNode::~JKQTMathTextNode()
|
|
= default;
|
|
|
|
JKQTMathTextNodeSize JKQTMathTextNode::getSize(QPainter &painter, JKQTMathTextEnvironment currentEv) const
|
|
{
|
|
return getSizeInternal(painter, currentEv);
|
|
}
|
|
|
|
|
|
double JKQTMathTextNode::getNonItalicXCorretion(QPainter &painter, double width_potentiallyitalic, const JKQTMathTextEnvironment &ev_potentiallyitalic, const JKQTMathTextNode* child)
|
|
{
|
|
double italic_xcorrection=0.0;
|
|
if (ev_potentiallyitalic.italic) {
|
|
JKQTMathTextEnvironment ev_nonitalic=ev_potentiallyitalic;
|
|
ev_nonitalic.italic=false;
|
|
JKQTMathTextNodeSize s_nonitalic=child->getSize(painter, ev_nonitalic);
|
|
italic_xcorrection=width_potentiallyitalic-s_nonitalic.width;
|
|
}
|
|
return italic_xcorrection;
|
|
}
|
|
|
|
|
|
bool JKQTMathTextNode::toHtml(QString &/*html*/, JKQTMathTextEnvironment /*currentEv*/, JKQTMathTextEnvironment /*defaultEv*/) const {
|
|
return false;
|
|
}
|
|
|
|
bool JKQTMathTextNode::getDrawBoxes() const {
|
|
return this->drawBoxes;
|
|
}
|
|
|
|
|
|
void JKQTMathTextNode::doDrawBoxes(QPainter &painter, double x, double y, const JKQTMathTextNodeSize &size) const
|
|
{
|
|
if (drawBoxes) {
|
|
painter.save(); auto __finalpaint=JKQTPFinally([&painter]() {painter.restore();});
|
|
QPen p=painter.pen();
|
|
p.setColor("lightcoral");
|
|
p.setWidthF(0.5);
|
|
painter.setPen(p);
|
|
QRectF r(x, y-size.baselineHeight, size.width, size.overallHeight );
|
|
painter.drawRect(r);
|
|
p.setColor("lightblue");
|
|
painter.setPen(p);
|
|
if (size.width>0) painter.drawLine(QLineF(x, y, x+size.width, y));
|
|
p.setColor("pink");
|
|
p.setStyle(Qt::DashLine);
|
|
painter.setPen(p);
|
|
if (size.width>0) painter.drawLine(QLineF(x, y-size.strikeoutPos, x+size.width, y-size.strikeoutPos));
|
|
p.setColor("green");
|
|
p.setStyle(Qt::SolidLine);
|
|
painter.setPen(p);
|
|
painter.drawEllipse(QRectF(x-3.0,y-3.0,6.0,6.0));
|
|
p.setColor("lightgreen");
|
|
painter.setPen(p);
|
|
painter.drawLine(QLineF(x-2.0, y, x+2.0, y));
|
|
painter.drawLine(QLineF(x, y-2, x, y+2.0));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
void JKQTMathTextNode::doDrawBoxes(QPainter& painter, double x, double y, JKQTMathTextEnvironment currentEv) const {
|
|
if (drawBoxes) {
|
|
doDrawBoxes(painter, x, y, getSize(painter, currentEv));
|
|
}
|
|
}
|
|
|
|
void JKQTMathTextNode::addToErrorList(const QString &error)
|
|
{
|
|
parentMathText->addToErrorList(error);
|
|
}
|
|
|
|
void JKQTMathTextNode::setDrawBoxes(bool draw)
|
|
{
|
|
this->drawBoxes=draw;
|
|
}
|
|
|
|
QString JKQTMathTextNode::getTypeName() const
|
|
{
|
|
return "JKQTMathTextNode";
|
|
}
|
|
|
|
void JKQTMathTextNode::setParentNode(JKQTMathTextNode *node)
|
|
{
|
|
parentNode=node;
|
|
if (node) parentMathText=node->parentMathText;
|
|
}
|
|
|
|
JKQTMathTextNode *JKQTMathTextNode::getParentNode()
|
|
{
|
|
return parentNode;
|
|
}
|
|
|
|
const JKQTMathTextNode *JKQTMathTextNode::getParentNode() const
|
|
{
|
|
return parentNode;
|
|
}
|
|
|
|
bool JKQTMathTextNode::isSubSuperscriptAboveBelowNode() const
|
|
{
|
|
return subSuperscriptAboveBelowNode;
|
|
}
|
|
|
|
void JKQTMathTextNode::setSubSuperscriptAboveBelowNode(bool __value)
|
|
{
|
|
subSuperscriptAboveBelowNode=__value;
|
|
}
|
|
|
|
|
|
JKQTMathTextSingleChildNode::JKQTMathTextSingleChildNode(JKQTMathTextNode *_child, JKQTMathText *parentMathText):
|
|
JKQTMathTextNode(parentMathText),
|
|
child(_child)
|
|
{
|
|
if (child) child->setParentNode(this);
|
|
}
|
|
|
|
JKQTMathTextSingleChildNode::~JKQTMathTextSingleChildNode()
|
|
{
|
|
JKQTMathTextNode* c=child; child=nullptr;
|
|
if (c) delete c;
|
|
}
|
|
|
|
JKQTMathTextNode *JKQTMathTextSingleChildNode::getChild()
|
|
{
|
|
return child;
|
|
}
|
|
|
|
const JKQTMathTextNode *JKQTMathTextSingleChildNode::getChild() const
|
|
{
|
|
return child;
|
|
}
|
|
|
|
JKQTMathTextNode *JKQTMathTextSingleChildNode::replaceChild(JKQTMathTextNode *newChild)
|
|
{
|
|
JKQTMathTextNode* c=child;
|
|
child=newChild;
|
|
child->setParentNode(this);
|
|
return c;
|
|
}
|
|
|
|
void JKQTMathTextSingleChildNode::replaceAndDeleteChild(JKQTMathTextNode *newChild)
|
|
{
|
|
JKQTMathTextNode* oldC=replaceChild(newChild);
|
|
if (newChild!=oldC) {
|
|
oldC->setParentNode(nullptr);
|
|
delete oldC;
|
|
}
|
|
}
|
|
|
|
bool JKQTMathTextSingleChildNode::hasChild() const
|
|
{
|
|
return child!=nullptr;
|
|
}
|
|
|
|
void JKQTMathTextSingleChildNode::setDrawBoxes(bool draw)
|
|
{
|
|
JKQTMathTextNode::setDrawBoxes(draw);
|
|
if (child) child->setDrawBoxes(draw);
|
|
}
|
|
|
|
|
|
JKQTMathTextDualChildNode::JKQTMathTextDualChildNode(JKQTMathTextNode *_child1, JKQTMathTextNode *_child2, JKQTMathText *parentMathText):
|
|
JKQTMathTextMultiChildNode(parentMathText),
|
|
child1(_child1),
|
|
child2(_child2)
|
|
{
|
|
if (child1) child1->setParentNode(this);
|
|
if (child2) child2->setParentNode(this);
|
|
}
|
|
|
|
JKQTMathTextDualChildNode::~JKQTMathTextDualChildNode()
|
|
{
|
|
JKQTMathTextNode* c1=child1; child1=nullptr;
|
|
JKQTMathTextNode* c2=child2; child2=nullptr;
|
|
if (c1) delete c1;
|
|
if (c2) delete c2;
|
|
}
|
|
|
|
JKQTMathTextNode *JKQTMathTextDualChildNode::getChild1()
|
|
{
|
|
return child1;
|
|
}
|
|
|
|
const JKQTMathTextNode *JKQTMathTextDualChildNode::getChild1() const
|
|
{
|
|
return child1;
|
|
}
|
|
|
|
JKQTMathTextNode *JKQTMathTextDualChildNode::getChild2()
|
|
{
|
|
return child2;
|
|
}
|
|
|
|
const JKQTMathTextNode *JKQTMathTextDualChildNode::getChild2() const
|
|
{
|
|
return child2;
|
|
}
|
|
|
|
JKQTMathTextNode *JKQTMathTextDualChildNode::getChild(int i)
|
|
{
|
|
if (i==0) return child1;
|
|
if (i==1) return child2;
|
|
return nullptr;
|
|
}
|
|
|
|
|
|
const JKQTMathTextNode *JKQTMathTextDualChildNode::getChild(int i) const
|
|
{
|
|
if (i==0) return child1;
|
|
if (i==1) return child2;
|
|
return nullptr;
|
|
}
|
|
|
|
JKQTMathTextNode *JKQTMathTextDualChildNode::replaceChild(int i, JKQTMathTextNode *newChild)
|
|
{
|
|
if (i==0) {
|
|
JKQTMathTextNode* c=child1;
|
|
child1=newChild;
|
|
child1->setParentNode(this);
|
|
return c;
|
|
}
|
|
if (i==1) {
|
|
JKQTMathTextNode* c=child2;
|
|
child2=newChild;
|
|
child2->setParentNode(this);
|
|
return c;
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
int JKQTMathTextDualChildNode::childCount() const
|
|
{
|
|
return 2;
|
|
}
|
|
|
|
void JKQTMathTextDualChildNode::clearChildren(bool deleteChildren)
|
|
{
|
|
JKQTMathTextNode* c1=child1; child1=nullptr;
|
|
if (deleteChildren&&c1) delete c1;
|
|
JKQTMathTextNode* c2=child2; child2=nullptr;
|
|
if (deleteChildren&&c2) delete c2;
|
|
}
|
|
|
|
void JKQTMathTextDualChildNode::deleteChild(int i)
|
|
{
|
|
if (child1&&i==0) {
|
|
delete child1;
|
|
child1=nullptr;
|
|
}
|
|
if (child2&&i==1) {
|
|
delete child2;
|
|
child2=nullptr;
|
|
}
|
|
}
|
|
|
|
JKQTMathTextMultiChildNode::JKQTMathTextMultiChildNode(JKQTMathText *parentMathText):
|
|
JKQTMathTextNode(parentMathText)
|
|
{
|
|
|
|
}
|
|
|
|
JKQTMathTextMultiChildNode::~JKQTMathTextMultiChildNode()
|
|
{
|
|
}
|
|
|
|
QList<JKQTMathTextNode *> JKQTMathTextMultiChildNode::getChildren()
|
|
{
|
|
QList<JKQTMathTextNode *> l;
|
|
for (int i=0; i<childCount(); i++) {
|
|
l.append(getChild(i));
|
|
}
|
|
return l;
|
|
}
|
|
|
|
QList<const JKQTMathTextNode *> JKQTMathTextMultiChildNode::getChildren() const
|
|
{
|
|
QList<const JKQTMathTextNode *> l;
|
|
for (int i=0; i<childCount(); i++) {
|
|
l.append(getChild(i));
|
|
}
|
|
return l;
|
|
}
|
|
|
|
JKQTMathTextNode *JKQTMathTextMultiChildNode::getFirstChild()
|
|
{
|
|
return getChild(0);
|
|
}
|
|
|
|
const JKQTMathTextNode *JKQTMathTextMultiChildNode::getFirstChild() const
|
|
{
|
|
return getChild(0);
|
|
}
|
|
|
|
JKQTMathTextNode *JKQTMathTextMultiChildNode::getLastChild()
|
|
{
|
|
return getChild(childCount()-1);
|
|
}
|
|
|
|
const JKQTMathTextNode *JKQTMathTextMultiChildNode::getLastChild() const
|
|
{
|
|
return getChild(childCount()-1);
|
|
}
|
|
|
|
void JKQTMathTextMultiChildNode::replaceAndDeleteChild(int i, JKQTMathTextNode *newChild)
|
|
{
|
|
JKQTMathTextNode* oldC=replaceChild(i, newChild);
|
|
if (newChild!=oldC) {
|
|
oldC->setParentNode(nullptr);
|
|
delete oldC;
|
|
}
|
|
}
|
|
|
|
bool JKQTMathTextMultiChildNode::hasChildren() const
|
|
{
|
|
return childCount()>0;
|
|
}
|
|
|
|
bool JKQTMathTextMultiChildNode::isEmpty() const
|
|
{
|
|
return childCount()==0;
|
|
}
|
|
|
|
void JKQTMathTextMultiChildNode::setDrawBoxes(bool draw)
|
|
{
|
|
JKQTMathTextNode::setDrawBoxes(draw);
|
|
for (int i=0; i<childCount(); i++) {
|
|
JKQTMathTextNode* c=getChild(i);
|
|
if (c) c->setDrawBoxes(draw);
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
JKQTMathTextNonDrawingBaseNode::JKQTMathTextNonDrawingBaseNode(JKQTMathText *parent):
|
|
JKQTMathTextNode(parent)
|
|
{
|
|
|
|
}
|
|
|
|
JKQTMathTextNonDrawingBaseNode::~JKQTMathTextNonDrawingBaseNode()
|
|
{
|
|
|
|
}
|
|
|
|
double JKQTMathTextNonDrawingBaseNode::draw(QPainter &/*painter*/, double x, double /*y*/, JKQTMathTextEnvironment /*currentEv*/) const
|
|
{
|
|
return x;
|
|
}
|
|
|
|
bool JKQTMathTextNonDrawingBaseNode::toHtml(QString &/*html*/, JKQTMathTextEnvironment /*currentEv*/, JKQTMathTextEnvironment /*defaultEv*/) const
|
|
{
|
|
return true;
|
|
}
|
|
|
|
JKQTMathTextNodeSize JKQTMathTextNonDrawingBaseNode::getSizeInternal(QPainter &/*painter*/, JKQTMathTextEnvironment /*currentEv*/) const
|
|
{
|
|
return JKQTMathTextNodeSize();
|
|
}
|