JKQTPlotter trunk/v5.0.0
an extensive Qt5+Qt6 Plotter framework (including a feature-richt plotter widget, a speed-optimized, but limited variant and a LaTeX equation renderer!), written fully in C/C++ and without external dependencies
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subclass representing a list of nodes in the syntax tree, layed out vertically More...

#include <jkqtmathtextverticallistnode.h>

Inheritance diagram for JKQTMathTextVerticalListNode:
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Collaboration diagram for JKQTMathTextVerticalListNode:
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Classes

struct  LayoutInfo
 describes the layout of the whole node More...
 

Public Member Functions

 JKQTMathTextVerticalListNode (JKQTMathText *parent, JKQTMathTextHorizontalAlignment _alignment=MTHACentered, double _linespacingFactor=1.0, JKQTMathTextLineSpacingMode spacingMode_=MTSMDefaultSpacing, JKQTMathTextVerticalOrientation _verticalOrientation=MTVOFirstLine)
 
virtual ~JKQTMathTextVerticalListNode () override
 
void addChild (JKQTMathTextNode *n)
 add a child node
 
virtual int childCount () const override
 returns the number of child nodes
 
virtual void clearChildren (bool deleteChildren=true) override
 clear all children, deleting them if deleteChildren==true
 
virtual void deleteChild (int i) override
 delete the i-th child
 
virtual double draw (QPainter &painter, double x, double y, JKQTMathTextEnvironment currentEv) const override
 draw the contents at the designated position
 
JKQTMathTextHorizontalAlignment getAlignment () const
 alignment scheme used to lay out all lines
 
virtual const JKQTMathTextNodegetChild (int i) const override
 returns the i-th child node
 
virtual JKQTMathTextNodegetChild (int i) override
 returns the i-th child node
 
virtual QList< JKQTMathTextNode * > getChildren () override
 returns a list of all child node
 
double getLineSpacingFactor () const
 spacing of the separate lines, as factor of the default line-spacing [Default: 1].
 
JKQTMathTextLineSpacingMode getSpacingMode () const
 defines how the layout algorithm (see calcLayout() ) lays out the single lines
 
virtual QString getTypeName () const override
 return the name of this class as a string
 
JKQTMathTextVerticalOrientation getVerticalOrientation () const
 vertical orientation of the baseline of the whole block (with respect to the single lines)
 
virtual JKQTMathTextNodereplaceChild (int i, JKQTMathTextNode *newChild) override
 returns the i-th child node
 
void setAlignment (JKQTMathTextHorizontalAlignment value)
 alignment scheme used to lay out all lines
 
void setLineSpacingFactor (double value)
 spacing of the separate lines, as factor of the default line-spacing [Default: 1].
 
void setSpacingMode (JKQTMathTextLineSpacingMode value)
 defines how the layout algorithm (see calcLayout() ) lays out the single lines
 
void setVerticalOrientation (JKQTMathTextVerticalOrientation value)
 vertical orientation of the baseline of the whole block (with respect to the single lines)
 
virtual bool toHtml (QString &html, JKQTMathTextEnvironment currentEv, JKQTMathTextEnvironment defaultEv) const override
 convert node to HTML and returns true on success
 
- Public Member Functions inherited from JKQTMathTextMultiChildNode
 JKQTMathTextMultiChildNode (JKQTMathText *parentMathText)
 
virtual ~JKQTMathTextMultiChildNode () override
 
virtual QList< const JKQTMathTextNode * > getChildren () const
 returns a list of all child node
 
virtual JKQTMathTextNodegetFirstChild ()
 returns the first child node
 
virtual const JKQTMathTextNodegetFirstChild () const
 returns the first child node
 
virtual JKQTMathTextNodegetLastChild ()
 returns the last child node
 
virtual const JKQTMathTextNodegetLastChild () const
 returns the last child node
 
bool hasChildren () const
 returns true if children exist
 
bool isEmpty () const
 returns true if there are no children
 
virtual void replaceAndDeleteChild (int i, JKQTMathTextNode *newChild)
 replaces the i-th child node with the node newChild , deletes the replaced old node
 
virtual void setDrawBoxes (bool draw) override
 enables the drawing of colored boxes (for DEBUGGING) around the actual output of the node
 
- Public Member Functions inherited from JKQTMathTextNode
 JKQTMathTextNode (const JKQTMathTextNode &)=delete
 
 JKQTMathTextNode (JKQTMathText *parentMathText)
 
virtual ~JKQTMathTextNode ()
 
bool getDrawBoxes () const
 returns the drawing of colored boxes (for DEBUGGING) around the actual output of the node is enabled
 
JKQTMathTextNodegetParentNode ()
 parent node of this node (i.e. one level up, ode nullptr )
 
const JKQTMathTextNodegetParentNode () const
 parent node of this node (i.e. one level up, ode nullptr )
 
JKQTMathTextNodeSize getSize (QPainter &painter, JKQTMathTextEnvironment currentEv) const
 determine the size of the node, calls getSizeInternal() implementation of the actual type
 
bool isSubSuperscriptAboveBelowNode () const
 if true then following sub- and/or superscripts are placed below and above the node, not besides it. This is activated when \sum\limits_{sub}^{sup} is used in LaTeX instead of simply \sum_{sub}^{sup}
 
JKQTMathTextNodeoperator= (const JKQTMathTextNode &)=delete
 
void setParentNode (JKQTMathTextNode *node)
 parent node of this node (i.e. one level up, ode nullptr )
 
void setSubSuperscriptAboveBelowNode (bool __value)
 if true then following sub- and/or superscripts are placed below and above the node, not besides it. This is activated when \sum\limits_{sub}^{sup} is used in LaTeX instead of simply \sum_{sub}^{sup}
 

Protected Member Functions

LayoutInfo calcLayout (QPainter &painter, JKQTMathTextEnvironment currentEv) const
 calclates the layout of the whole block/node
 
virtual JKQTMathTextNodeSize getSizeInternal (QPainter &painter, JKQTMathTextEnvironment currentEv) const override
 determine the size of the node, overwrite this function in derived classes
 
- Protected Member Functions inherited from JKQTMathTextNode
void addToErrorList (const QString &error)
 adds a new error to the JKQTMathText referenced by parentMathText
 
void doDrawBoxes (QPainter &painter, double x, double y, const JKQTMathTextNodeSize &size) const
 draws colored boxes (for DEBUGGING) around the actual output of the node
 
void doDrawBoxes (QPainter &painter, double x, double y, JKQTMathTextEnvironment currentEv) const
 draws colored boxes (for DEBUGGING) around the actual output of the node
 
template<class T >
QList< T * > getParents ()
 returns the list of parent, parent-of-parent, ... that can be cast to type T
 
template<class T >
QList< const T * > getParents () const
 returns the list of parent, parent-of-parent, ... that can be cast to type T
 

Protected Attributes

JKQTMathTextHorizontalAlignment alignment
 alignment scheme used to lay out all lines
 
double lineSpacingFactor
 spacing of the separate lines, as factor of the default line-spacing [Default: 1].
 
QList< JKQTMathTextNode * > nodes
 list of child nodes, each representing one line
 
JKQTMathTextLineSpacingMode spacingMode
 defines how the layout algorithm (see calcLayout() ) lays out the single lines
 
JKQTMathTextVerticalOrientation verticalOrientation
 vertical orientation of the baseline of the whole block (with respect to the single lines)
 
- Protected Attributes inherited from JKQTMathTextNode
bool drawBoxes
 enables the drawing of colored boxes (for DEBUGGING) around the actual output of the node
 
JKQTMathTextparentMathText
 parent JKQTMathText object (required for several drawing operations
 
JKQTMathTextNodeparentNode
 parent node of this node (i.e. one level up, ode nullptr )
 
bool subSuperscriptAboveBelowNode
 if true then following sub- and/or superscripts are placed below and above the node, not besides it. This is activated when \sum\limits_{sub}^{sup} is used in LaTeX instead of simply \sum_{sub}^{sup}
 

Private Member Functions

void clearChildrenImpl (bool deleteChildren)
 internal implementation of clearChildren() that is non-virtual, so can be used in the destructor
 

Additional Inherited Members

- Static Public Member Functions inherited from JKQTMathTextNode
static double getNonItalicXCorretion (QPainter &painter, double width_potentiallyitalic, const JKQTMathTextEnvironment &ev_potentiallyitalic, const JKQTMathTextNode *child)
 calculates the x-size-difference between the given (probably) italic (width externally calculated: width_potentiallyitalic, ev_potentiallyitalic) and the non-italic version of child
 

Detailed Description

subclass representing a list of nodes in the syntax tree, layed out vertically

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.

See also
JKQTMathTextHorizontalListNode

Constructor & Destructor Documentation

◆ JKQTMathTextVerticalListNode()

JKQTMathTextVerticalListNode::JKQTMathTextVerticalListNode ( JKQTMathText parent,
JKQTMathTextHorizontalAlignment  _alignment = MTHACentered,
double  _linespacingFactor = 1.0,
JKQTMathTextLineSpacingMode  spacingMode_ = MTSMDefaultSpacing,
JKQTMathTextVerticalOrientation  _verticalOrientation = MTVOFirstLine 
)
explicit

◆ ~JKQTMathTextVerticalListNode()

virtual JKQTMathTextVerticalListNode::~JKQTMathTextVerticalListNode ( )
overridevirtual

Member Function Documentation

◆ addChild()

void JKQTMathTextVerticalListNode::addChild ( JKQTMathTextNode n)

add a child node

◆ calcLayout()

LayoutInfo JKQTMathTextVerticalListNode::calcLayout ( QPainter &  painter,
JKQTMathTextEnvironment  currentEv 
) const
protected

calclates the layout of the whole block/node

◆ childCount()

virtual int JKQTMathTextVerticalListNode::childCount ( ) const
overridevirtual

returns the number of child nodes

Implements JKQTMathTextMultiChildNode.

◆ clearChildren()

virtual void JKQTMathTextVerticalListNode::clearChildren ( bool  deleteChildren = true)
overridevirtual

clear all children, deleting them if deleteChildren==true

Implements JKQTMathTextMultiChildNode.

◆ clearChildrenImpl()

void JKQTMathTextVerticalListNode::clearChildrenImpl ( bool  deleteChildren)
private

internal implementation of clearChildren() that is non-virtual, so can be used in the destructor

◆ deleteChild()

virtual void JKQTMathTextVerticalListNode::deleteChild ( int  i)
overridevirtual

delete the i-th child

Implements JKQTMathTextMultiChildNode.

◆ draw()

virtual double JKQTMathTextVerticalListNode::draw ( QPainter &  painter,
double  x,
double  y,
JKQTMathTextEnvironment  currentEv 
) const
overridevirtual

draw the contents at the designated position

Parameters
painterQPainter to use
xx-position, where the drawing starts [Pixel]
yY-position of the baseline, where the drawing starts [Pixel]
currentEvJKQTMathTextEnvironment object describing the current drawing environment/settings
Returns
the x position which to use for the next part of the text

Implements JKQTMathTextNode.

◆ getAlignment()

JKQTMathTextHorizontalAlignment JKQTMathTextVerticalListNode::getAlignment ( ) const

alignment scheme used to lay out all lines

◆ getChild() [1/2]

virtual const JKQTMathTextNode * JKQTMathTextVerticalListNode::getChild ( int  i) const
overridevirtual

returns the i-th child node

Implements JKQTMathTextMultiChildNode.

◆ getChild() [2/2]

virtual JKQTMathTextNode * JKQTMathTextVerticalListNode::getChild ( int  i)
overridevirtual

returns the i-th child node

Implements JKQTMathTextMultiChildNode.

◆ getChildren()

virtual QList< JKQTMathTextNode * > JKQTMathTextVerticalListNode::getChildren ( )
overridevirtual

returns a list of all child node

Reimplemented from JKQTMathTextMultiChildNode.

◆ getLineSpacingFactor()

double JKQTMathTextVerticalListNode::getLineSpacingFactor ( ) const

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.

◆ getSizeInternal()

virtual JKQTMathTextNodeSize JKQTMathTextVerticalListNode::getSizeInternal ( QPainter &  painter,
JKQTMathTextEnvironment  currentEv 
) const
overrideprotectedvirtual

determine the size of the node, overwrite this function in derived classes

Parameters
painterpainter to use for determining the size
currentEvcurrent environment object
Returns
all important box size parameters packed as JKQTMathTextNodeSize

Implements JKQTMathTextNode.

◆ getSpacingMode()

JKQTMathTextLineSpacingMode JKQTMathTextVerticalListNode::getSpacingMode ( ) const

defines how the layout algorithm (see calcLayout() ) lays out the single lines

◆ getTypeName()

virtual QString JKQTMathTextVerticalListNode::getTypeName ( ) const
overridevirtual

return the name of this class as a string

Reimplemented from JKQTMathTextNode.

◆ getVerticalOrientation()

JKQTMathTextVerticalOrientation JKQTMathTextVerticalListNode::getVerticalOrientation ( ) const

vertical orientation of the baseline of the whole block (with respect to the single lines)

◆ replaceChild()

virtual JKQTMathTextNode * JKQTMathTextVerticalListNode::replaceChild ( int  i,
JKQTMathTextNode newChild 
)
overridevirtual

returns the i-th child node

Implements JKQTMathTextMultiChildNode.

◆ setAlignment()

void JKQTMathTextVerticalListNode::setAlignment ( JKQTMathTextHorizontalAlignment  value)

alignment scheme used to lay out all lines

◆ setLineSpacingFactor()

void JKQTMathTextVerticalListNode::setLineSpacingFactor ( double  value)

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.

◆ setSpacingMode()

void JKQTMathTextVerticalListNode::setSpacingMode ( JKQTMathTextLineSpacingMode  value)

defines how the layout algorithm (see calcLayout() ) lays out the single lines

◆ setVerticalOrientation()

void JKQTMathTextVerticalListNode::setVerticalOrientation ( JKQTMathTextVerticalOrientation  value)

vertical orientation of the baseline of the whole block (with respect to the single lines)

◆ toHtml()

virtual bool JKQTMathTextVerticalListNode::toHtml ( QString &  html,
JKQTMathTextEnvironment  currentEv,
JKQTMathTextEnvironment  defaultEv 
) const
overridevirtual

convert node to HTML and returns true on success

Parameters
[out]htmlnew HTML code is APPENDED to this string
currentEvJKQTMathTextEnvironment object describing the current drawing environment/settings
defaultEvJKQTMathTextEnvironment object describing the default drawing environment/settings when starting to interpret a node tree
Returns
true on success

Reimplemented from JKQTMathTextNode.

Member Data Documentation

◆ alignment

JKQTMathTextHorizontalAlignment JKQTMathTextVerticalListNode::alignment
protected

alignment scheme used to lay out all lines

◆ lineSpacingFactor

double JKQTMathTextVerticalListNode::lineSpacingFactor
protected

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.

◆ nodes

QList<JKQTMathTextNode*> JKQTMathTextVerticalListNode::nodes
protected

list of child nodes, each representing one line

◆ spacingMode

JKQTMathTextLineSpacingMode JKQTMathTextVerticalListNode::spacingMode
protected

defines how the layout algorithm (see calcLayout() ) lays out the single lines

◆ verticalOrientation

JKQTMathTextVerticalOrientation JKQTMathTextVerticalListNode::verticalOrientation
protected

vertical orientation of the baseline of the whole block (with respect to the single lines)


The documentation for this class was generated from the following file: