mirror of
https://github.com/jkriege2/JKQtPlotter.git
synced 2024-12-25 01:51:49 +08:00
7d686f0c9a
- BREAKING/REWORKED: The \\verb!...!-command now works the same as in LaTeX
- NEW: added support for \\begin{verbatim}...\\end{verbatim}, \\begin{verbatim*}...\\end{verbatim*}
193 lines
9.1 KiB
C++
193 lines
9.1 KiB
C++
/*
|
|
Copyright (c) 2008-2022 Jan W. Krieger (<jan@jkrieger.de>)
|
|
with contributions from: Razi Alavizadeh
|
|
|
|
|
|
|
|
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/>.
|
|
*/
|
|
|
|
|
|
|
|
|
|
#ifndef JKQTMATHTEXTLISTNODE_H
|
|
#define JKQTMATHTEXTLISTNODE_H
|
|
#include "jkqtmathtext/jkqtmathtext_imexport.h"
|
|
#include "jkqtmathtext/jkqtmathtexttools.h"
|
|
#include "jkqtmathtext/nodes/jkqtmathtextnode.h"
|
|
#include <QPainter>
|
|
#include <QFontMetricsF>
|
|
|
|
class JKQTMathText; // forward
|
|
// JKQTMATHTEXT_LIB_EXPORT
|
|
|
|
|
|
/** \brief subclass representing a list of nodes in the syntax tree, layed out horizontally
|
|
* \ingroup jkqtmathtext_items
|
|
*
|
|
* \note This type of node also implements typesetting sub-/superscript above/below the previous node (if
|
|
* JKQTMathTextNode::is() is \c true for that previus node. The drawing is done as defined in the
|
|
* following image \image html jkqtmathtext_subsuper_with_limits.png
|
|
*
|
|
* \see JKQTMathTextVerticalListNode
|
|
*/
|
|
class JKQTMATHTEXT_LIB_EXPORT JKQTMathTextHorizontalListNode: public JKQTMathTextMultiChildNode {
|
|
public:
|
|
explicit JKQTMathTextHorizontalListNode(JKQTMathText* parent);
|
|
virtual ~JKQTMathTextHorizontalListNode() override;
|
|
/** \copydoc JKQTMathTextNode::getTypeName() */
|
|
virtual QString getTypeName() const override;
|
|
/** \copydoc JKQTMathTextNode::draw() */
|
|
virtual double draw(QPainter& painter, double x, double y, JKQTMathTextEnvironment currentEv, const JKQTMathTextNodeSize* prevNodeSize=nullptr) override;
|
|
/** \copydoc JKQTMathTextNode::toHtml() */
|
|
virtual bool toHtml(QString& html, JKQTMathTextEnvironment currentEv, JKQTMathTextEnvironment defaultEv) override;
|
|
/** \brief add a child node */
|
|
void addChild(JKQTMathTextNode* n);
|
|
/** \copydoc JKQTMathTextMultiChildNode::getChildren() */
|
|
virtual QList<JKQTMathTextNode*> getChildren() override;
|
|
/** \copydoc JKQTMathTextMultiChildNode::childCount() */
|
|
virtual int childCount() const override;
|
|
/** \copydoc JKQTMathTextMultiChildNode::clearChildren() */
|
|
virtual void clearChildren(bool deleteChildren=true) override;
|
|
/** \copydoc JKQTMathTextMultiChildNode::getChild() */
|
|
virtual JKQTMathTextNode* getChild(int i) override;
|
|
/** \copydoc JKQTMathTextMultiChildNode::getChild() */
|
|
virtual const JKQTMathTextNode* getChild(int i) const override;
|
|
/** \copydoc JKQTMathTextMultiChildNode::getChild() */
|
|
virtual JKQTMathTextNode* replaceChild(int i, JKQTMathTextNode* newChild) override;
|
|
protected:
|
|
/** \copydoc JKQTMathTextNode::getSizeInternal() */
|
|
virtual void getSizeInternal(QPainter& painter, JKQTMathTextEnvironment currentEv, double& width, double& baselineHeight, double& overallHeight, double& strikeoutPos, const JKQTMathTextNodeSize* prevNodeSize=nullptr) override;
|
|
QList<JKQTMathTextNode*> nodes;
|
|
private:
|
|
/** \brief internal implementation of clearChildren() that is non-virtual, so can be used in the destructor */
|
|
void clearChildrenImpl(bool deleteChildren);
|
|
};
|
|
|
|
|
|
|
|
/** \brief subclass representing a list of nodes in the syntax tree, layed out vertically
|
|
* \ingroup jkqtmathtext_items
|
|
*
|
|
* Each child can be thought of as a line, so this node represents a list of lines.
|
|
* The layout of the lines can left-aligned, right-aligned or centered.
|
|
*
|
|
* \image html jkqtmathtext_verticallist.png
|
|
*
|
|
* \image html jkqtmathtext_verticalalignment.png
|
|
*
|
|
* \image html jkqtmathtext_horizontalalignment.png
|
|
*
|
|
* \see JKQTMathTextHorizontalListNode
|
|
*/
|
|
class JKQTMATHTEXT_LIB_EXPORT JKQTMathTextVerticalListNode: public JKQTMathTextMultiChildNode {
|
|
public:
|
|
/** \brief defines, how lines are beeing spaced by the node
|
|
*
|
|
* \image html jkqtmathtext_verticallist.png
|
|
*/
|
|
enum SpacingMode {
|
|
SMDefault, /*!< space the lines with equilibrated spacing, i.e. the baselines are at least \c QFontMetricsF::lineSpacing()*JKQTMathTextVerticalListNode::lineSpacingFactor apart, but even more, if the height of the text bloxk is larger than the the font's ascent+descent */
|
|
SMMinimal /*!< space the lines as tight as possible, i.e. each line is separated by \c QFontMetricsF::leading()*JKQTMathTextVerticalListNode::lineSpacingFactor from the next line. This is a s compact as possible */
|
|
};
|
|
/** \brief convert a SpacingMode to a String */
|
|
static QString SpacingMode2String(SpacingMode mode);
|
|
/** \brief convert a String to a SpacingMode */
|
|
static SpacingMode String2SpacingMode(QString mode);
|
|
|
|
explicit JKQTMathTextVerticalListNode(JKQTMathText* parent, JKQTMathTextHorizontalAlignment _alignment=MTHACentered, double _linespacingFactor=1.0, SpacingMode spacingMode_=SMDefault, JKQTMathTextVerticalOrientation _verticalOrientation=MTVOFirstLine);
|
|
virtual ~JKQTMathTextVerticalListNode() override;
|
|
/** \copydoc JKQTMathTextNode::getTypeName() */
|
|
virtual QString getTypeName() const override;
|
|
/** \copydoc JKQTMathTextNode::draw() */
|
|
virtual double draw(QPainter& painter, double x, double y, JKQTMathTextEnvironment currentEv, const JKQTMathTextNodeSize* prevNodeSize=nullptr) override;
|
|
/** \copydoc JKQTMathTextNode::toHtml() */
|
|
virtual bool toHtml(QString& html, JKQTMathTextEnvironment currentEv, JKQTMathTextEnvironment defaultEv) override;
|
|
/** \brief add a child node */
|
|
void addChild(JKQTMathTextNode* n);
|
|
/** \copydoc JKQTMathTextMultiChildNode::getChildren() */
|
|
virtual QList<JKQTMathTextNode*> getChildren() override;
|
|
/** \copydoc JKQTMathTextMultiChildNode::childCount() */
|
|
virtual int childCount() const override;
|
|
/** \copydoc JKQTMathTextMultiChildNode::clearChildren() */
|
|
virtual void clearChildren(bool deleteChildren=true) override;
|
|
/** \copydoc JKQTMathTextMultiChildNode::getChild() */
|
|
virtual JKQTMathTextNode* getChild(int i) override;
|
|
/** \copydoc JKQTMathTextMultiChildNode::getChild() */
|
|
virtual const JKQTMathTextNode* getChild(int i) const override;
|
|
/** \copydoc JKQTMathTextMultiChildNode::getChild() */
|
|
virtual JKQTMathTextNode* replaceChild(int i, JKQTMathTextNode* newChild) override;
|
|
/** \copydoc alignment */
|
|
JKQTMathTextHorizontalAlignment getAlignment() const;
|
|
/** \copydoc verticalOrientation */
|
|
JKQTMathTextVerticalOrientation getVerticalOrientation() const;
|
|
/** \copydoc lineSpacingFactor */
|
|
double getLineSpacingFactor() const;
|
|
/** \copydoc spacingMode */
|
|
SpacingMode getSpacingMode() const;
|
|
protected:
|
|
/** \copydoc JKQTMathTextNode::getSizeInternal() */
|
|
virtual void getSizeInternal(QPainter& painter, JKQTMathTextEnvironment currentEv, double& width, double& baselineHeight, double& overallHeight, double& strikeoutPos, const JKQTMathTextNodeSize* prevNodeSize=nullptr) override;
|
|
|
|
/** \brief describes the layout of the whole node */
|
|
struct LayoutInfo: public JKQTMathTextNodeSize {
|
|
LayoutInfo();
|
|
/** \brief drawing position for each line */
|
|
QList<QPointF> X;
|
|
};
|
|
/** \brief calclates the layout of the whole block/node */
|
|
LayoutInfo calcLayout(QPainter& painter, JKQTMathTextEnvironment currentEv) const;
|
|
|
|
/** \brief list of child nodes, each representing one line */
|
|
QList<JKQTMathTextNode*> nodes;
|
|
/** \brief alignment scheme used to lay out all lines
|
|
*
|
|
* \image html jkqtmathtext_horizontalalignment.png
|
|
*/
|
|
JKQTMathTextHorizontalAlignment alignment;
|
|
/** \brief spacing of the separate lines, as factor of the default line-spacing [Default: 1].
|
|
*
|
|
* This property can be used to move the lines closer together or farther apart.
|
|
*
|
|
* \image html jkqtmathtext_verticallist.png
|
|
*/
|
|
double lineSpacingFactor;
|
|
/** \brief vertical orientation of the baseline of the whole block (with respect to the single lines)
|
|
*
|
|
* \image html jkqtmathtext_verticalorientation.png
|
|
*/
|
|
JKQTMathTextVerticalOrientation verticalOrientation;
|
|
/** \brief defines how the layout algorithm (see calcLayout() ) lays out the single lines */
|
|
SpacingMode spacingMode;
|
|
|
|
|
|
|
|
private:
|
|
/** \brief internal implementation of clearChildren() that is non-virtual, so can be used in the destructor */
|
|
void clearChildrenImpl(bool deleteChildren);
|
|
};
|
|
|
|
|
|
|
|
#endif // JKQTMATHTEXTLISTNODE_H
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|