DtCompositeSymbol Class Reference

Container symbol used to hold one or more other symbols derived from DtSymbol. More...

Inheritance diagram for DtCompositeSymbol:

Public Member Functions
	DtCompositeSymbol (const DtCompositeSymbol &orig)
	standard
DtCompositeSymbol &	operator= (const DtCompositeSymbol &orig)
virtual	~DtCompositeSymbol ()
	DtCompositeSymbol (DtSymbolDrawer &drawer)
	default constructor
	DtCompositeSymbol (DtSymbolDrawer &drawer, const DtDisplayPoint &center)
virtual DtSymbol *	clone () const
	Returns an instance of a symbol which is a copy of this.
virtual bool	setLocationData (const QPolygon *)
	This function is used so that multipoint symbols have the same interface as single point symbols In the single point case, it takes the first value and sets the origin from that.
void	shift (QPoint p)
	Move the center of this object by p amount.
virtual void	draw (QPainter &paint) const
virtual void	drawHidden (QPainter &paint) const
virtual const DtDisplayPoint	centerPoint () const
	Set/get the location of the center of the symbol.
virtual bool	select (const QPoint &point)
	Checks to see if any children symbols intersect.
virtual void	addSymbol (DtSymbol *symbol, bool isALabel=false)
	Adds a child symbol to the composite.
virtual void	removeSymbol (const DtSymbol *symbol, bool deleteSymbol=true, bool resetMainSymbol=false)
	Removes a child symbol from the composite.
virtual void	removeSymbol (int iIndex, bool deleteSymbol=true, bool resetMainSymbol=false)
virtual void	removeAllSymbols (const QVector< DtSymbol * > &except=QVector< DtSymbol * >())
	Removes all child symbols from the composite.
virtual DtSymbol *	setMainSymbol (DtSymbol *symbol)
	Set/get the center symbol.
virtual DtSymbol *	mainSymbol () const
virtual DtSymbol *	getSymbolByName (const QString &name)
	Get a symbol by using its name.
virtual bool	isComposite ()
	Returns true if this symbol is a combination of others (this returns true)
virtual QSize	bbox () const
	Calculates size of the composite based on its children.
virtual QRect	selBbox () const
	Get the selection box (area where you can select an item)
virtual bool	overlapsSymbol (const DtSymbol &aSymbol, const DtSymbol_OverlapTest aTest=DtSymbol_BoxPieces, const float aTolerance=0) const
	Returns true if the two symbols overlap Different intersection tests are available.
virtual bool	labelsOverlapsSymbol (const DtSymbol &aSymbol, const DtSymbol_OverlapTest aTest=DtSymbol_BoundingBox, const float aTolerance=0) const
virtual DtSymbolList *	childrenList () const
virtual DtSymbolList *	labelList () const
virtual bool	show (DtShowHideContext module)
	Show this symbol and any other symbol in the hidden list.
virtual bool	hide (DtShowHideContext module)
	Hide symbols that are shown and put into hidden list.
virtual void	setDrawOrder ()
	Creates the draw order list for the symbols.
virtual DtSymbol *	editableSymbol ()
	Returns the symbol that can be edited via an event handler.
virtual int	labelOffset (const DtSymbol *s) const
	Returns the label offset from the main symbols bounding box.
virtual void	setLabelOffset (int i)
virtual const QPoint &	lowestLabelOffset () const
	Returns the parent offset of the last label drawn.
virtual void	setTransparencyLevel (int i)
	Transparency information.
virtual void	hideAllChildren (DtShowHideContext iModule=DtDefaultShowHideContext)
	Hides all children but keeps main symbol shown.
virtual void	showAllChildren (DtShowHideContext iModule=DtDefaultShowHideContext)
	Shows all children.
virtual void	setShadowText (bool b)
	Cycles through all children and set shadow text to be true (if they are TTS symbol).
virtual void	blockSignals (bool)
	Blocks signals from being emitted from this symbol.
virtual bool	originIsCenterOfMass () const
	Asks main symbol if the origin is center of call.
virtual void	setCacheSymbolAsBitmap (bool)
	Get/set whether or not the drawer should cache this symbol as a bitmap.
virtual void	setShowIndicatorOption (int)
int	showIndicatorOption () const
virtual DtShowHideContext	mapIndicatorOptionToContext (int) const
virtual void	setHighlight (const bool highlight)
	Set/get the highlight flag (whether the symbol should be drawn highlighted).
virtual bool	editMode ()
	Extends the editMode functions from basic DtySymbol to propagate correctly.
virtual void	setEditMode (bool onOff)
virtual void	reset ()
	Resets any relevant information associated with this symbol.
Public Member Functions inherited from DtSymbol
virtual	~DtSymbol ()
	destructor
	DtSymbol (const DtSymbol &orig)
	copy constructor
DtSymbol &	operator= (const DtSymbol &orig)
	assignment operator Note that the copy constructor, by default, make the symbol non editable even if the source is editable
	DtSymbol (DtSymbolDrawer &drawer)
	Drawer is non-const since it does memory management.
virtual void	copyDataFrom (const DtSymbol *symbol)
	Differs from the equal operator in that this method could copy a different set of data than the = operator.
virtual void	setName (const QString &name)
	The specific name of this symbol.
virtual const QString &	name () const
virtual bool	highlight () const
virtual bool	selected () const
virtual const DtDisplayPoint	topLeftPoint () const
	The real visual top left corner of the symbol in display coordinates.
virtual const QPolygon *	getLocationData () const
	Provided for a simpler interface to subclasses.
virtual void	setOrigin (const QPoint &center)
	Set the display coordinate that will become the 0,0 point for drawing this symbol.
virtual void	setOrigin (int x, int y)
	Same as above.
virtual const QPoint	origin () const
	returns the display origin for the symbol.
virtual const DtSymbolDrawer &	drawer () const
virtual QRect	brect () const
virtual void	clearOffsetToParent ()
	Set/get the offset to the parent.
virtual void	setOffsetToParent (const QPoint &offsetToParent)
virtual const QPoint *	offsetToParent () const
	if the offsetToParent blit has been cleared, this returns null
virtual void	show ()
	Use this method to show the symbol regardless of how many contexts have hidden it.
virtual void	hide ()
	Use this method to hide a symbol without context. Same as hide(DtDefaultShowHideContext)
virtual void	addIgnoreContext (DtShowHideContext)
	Add/remove contexts for hide() to ignore.
virtual void	removeIgnoreContext (DtShowHideContext)
const QVector < DtShowHideContext > &	ignoreContexts () const
virtual bool	isShown () const
virtual DtSymbol *	parent () const
virtual void	setParent (DtSymbol *dad)
virtual DtSymbolGeometry	geometry () const
virtual void	setGeometry (DtSymbolGeometry geom)
virtual void	setCategoryTag (const QString &name)
	A tag is the name of this type of symbol such as velocity vector name or force or whatever.
virtual const QString &	categoryTag () const
virtual bool	select (const QPoint &aPoint, const QSize &rectangleSize)
	Returns true if the rectangle intersects the symbol, if the symbol is selectable.
virtual void	setSelectable (bool value)
	Set/get the ability to select with this symbol.
virtual bool	isSelectable () const
virtual void	setEditable (bool b)
	Accessors for whether or not this line can be edited.
virtual bool	editable () const
virtual void	setAllowEditOnSelection (bool b)
	Sets the fact that even if this symbol is not marked editable, it can become editable upon selection (myHighlight is true)
virtual bool	allowEditOnSelection () const
virtual void	setInternalSelectable (bool value)
	The following two functions are internal values kept in order to make sure that if an object has been filter modified and not shown, that it will not be selectable.
virtual bool	isInternalSelectable () const
virtual void	setAddToDrawOrder (bool b)
	Add this item to the draw order regardless of whether or not it is visible on the screen.
virtual bool	addToDrawOrder () const
virtual bool	overlapsAreaSymbol (const DtSymbol &aSymbol, const DtSymbol_OverlapTest aTest=DtSymbol_BoxPieces, const float aTolerance=0) const
	handles the case when aSymbol spans an area, such as a bitmap or a text symbol.
virtual bool	overlapsLineSymbol (DtSymbol &aSymbol, const float aTolerance=0) const
	handles the case when aSymbol is composed of line segments, such as a line, polygon, or route.
virtual bool	isOriginal () const
	Returns true if this symbol is an original symbol, otherwise return false.
virtual DtStaticAnimData *	staticAnimData () const
virtual void	setDrawOnComposite (DtSymbolCompositeDrawOptions opt)
	If true, will not draw this symbol if it is part of a composite symbol.
virtual bool	drawOnComposite () const
virtual DtSymbolCompositeDrawOptions	drawOnCompositeValue () const
virtual bool	drawFirst () const
	If true, this symbol will always be drawn first.
virtual void	setDrawFirst (bool b)
virtual bool	drawLast () const
	If true, this symbol will always be drawn last.
virtual void	setDrawLast (bool b)
virtual bool	selectAdditionalSymbols (QList< DtSymbol * > &additionalSymbols)
	This routine is called during symbol selection time to see if the selection of this symbol requires other symbols to be selected as well.
virtual void	setColor (const QColor &color)
	Noop function to allow subclasses to override.
virtual void	clearColor ()
	Noop function to allow subclasses to clear out any color information.
virtual bool	adjustPoints (QPolygon &pnts, bool constrain)
	Opportunity to adjust the point array to some desired other points.
virtual void	setDragClone (DtSymbol *clone)
	Contains the symbol that is being dragged that represents this symbol.
virtual DtSymbol *	dragClone () const
virtual double	scaleBy () const
virtual void	enableVisibilityChange (bool b)
virtual void	scheduleDisplayComplete (int)
	Sets a QTimer for the specified amount of time to fire off and then call the displayComplete() slot.
virtual void	setShouldSelect (bool)
virtual bool	shouldSelect () const
virtual int	transparencyLevel () const
virtual bool	needsTransparentRedraw () const
	Will return true if there is no cached image or internal variables have changed such that the cached image needs a redraw.
virtual QPixmap *	transparentImage () const
virtual QPixmap *	cacheTransparentImage (const QPixmap &pixmap)
virtual QPixmap *	cacheTransparentImage (const QImage &image)
virtual bool	wantsTransparentDraw () const
	Will return true if transparent percent is not 0 or 100.
bool	operator== (const DtSymbol &orig) const
bool	operator!= (const DtSymbol &orig) const
virtual DtSymbolDrawer *	symbolDrawer ()
	Sets the new drawer to be the supplied drawer.
virtual DtSymbolDrawer *	setDrawer (const DtSymbolDrawer &)
virtual DtSymbolDrawer &	backupDrawer () const
	Returns the drawer that was set as a backup.
virtual void	setBackupDrawer (DtSymbolDrawer *)
virtual bool	removeIfOffScreen () const
	Return true/false if this symbol should be removed if it is off screen By default is true.
void	setRemoveIfOffScreen (bool b)
	Default is true.
virtual void	setSymbolDisplayOptions (DtSymbolDisplayOptions *)
virtual const DtSymbolDisplayOptions *	symbolDisplayOptions () const
virtual DtSymbolDisplayOptions *	symbolDisplayOptions ()
virtual int	displayOptionsCache () const
void	setAdjustPoints (bool)
bool	adjustPoints () const
const QVector < DtShowHideContext > &	hiddenByModules () const
	Routines to access which modules this symbol is hidden by.
bool	hiddenByModule (DtShowHideContext module) const
bool	cacheSymbolAsBitmap () const
virtual const QString &	bitmapSymbolCacheKey () const
	Returns a cache key that can be used to lookup in a bitmap cache.

Static Public Member Functions
static DtSymbol *	create (DtSymbolDrawer &drawer)
Static Public Member Functions inherited from DtSymbol
static DtNullDrawer *	nullDrawer ()

Protected Slots
virtual void	symbolDestroyed (const DtSymbol *s)
	Called when this symbol is destroyed outside of this composite symbol.
virtual void	symbolRemoved (const DtSymbol *s)
	Removes a symbol without deleting it.

Protected Member Functions
virtual bool	transparentCacheChanged () const
virtual void	cacheTransparentVariables ()
virtual void	setChildrenList (DtSymbolList *list)
	Sets the symbol children list.
virtual bool	forceUpdate () const
	If any children want to redraw, this symbol needs to be redrawn.
virtual void	draw (DtSymbol *symbol, QPainter &paint) const
	Draws the symbol.
virtual void	drawHidden (DtSymbol *symbol, QPainter &paint) const
virtual void	setScaleBy (double factor)
	Scaling factors.
virtual bool	isScalable () const
	Return true/false if this is a scalable symbol. By default returns false.
virtual void	setupSelect ()
	Called before a selection is made, clears out the mySelectedChildren list.
virtual void	selectSymbols ()
virtual void	wasHidden (DtSymbol *sym)
	The following two methods are only called if the parent is hidden Called when a child symbol of this symbol is hidden.
virtual void	wasShown (DtSymbol *sym)
	Called when a child symbol of this symbol is shown.
Protected Member Functions inherited from DtSymbol
bool	overlapsBoundingSphere (const DtSymbol &aSymbol, const float aTolerance) const
	Returns true if the bounding spheres of the symbols intersect and the symbols are intersectable.
bool	overlapsBoundingBox (const DtSymbol &aSymbol, const float aTolerance) const
	Returns true if the bounding boxes of the symbols intersect and the symbols are intersectable.

Protected Attributes
DtSymbolList *	myChildrenList
DtSymbolList *	myLabelList
DtSymbol *	myMainSymbol
DtSymbolList *	myDrawOrder
DtSymbolList *	mySelectedChildren
int	myLabelOffset
QPoint	myLastParentOffset
bool	myShadowText
int	myShowIndicatorOption
Protected Attributes inherited from DtSymbol
DtSymbolDrawer *	mySymbolDrawer
DtSymbolDrawer *	myBackupDrawer
QPoint	myOrigin
bool	myActiveOffsetToParent
QPoint	myOffsetToParent
bool	myHighlight
bool	myIsShown
bool	myIsSelectable
bool	myEditable
bool	myInternalSelectable
QString	myName
QString	myCategoryTag
DtSymbolGeometry	myGeometry
DtSymbol *	myParent
DtSymbol *	myDragClone
	If this symbol is being dragged, then this will point to the symbol that was cloned for the drag.
bool	myIsOriginal
bool	myAllowEditOnSelection
bool	myAddToDrawOrder
double	myScaleFactor
DtStaticAnimData *	myStaticAnimData
bool	myEmitVisibilityChange
DtSymbol_DrawOrder	myDrawOrder
QTimer *	myTimer
DtSymbolCompositeDrawOptions	myDrawOnComposite
bool	myShouldSelect
	Set to true if part of a composite and a user has selected a part of the composite that should be selected.
int	myTransparencyLevel
	Information for symbol transparency and transparent drawing.
QPixmap *	myTransparentImage
DtSymbol *	myTransparentCachedSymbol
DtSymbolDisplayOptions *	mySymbolDisplayOptions
bool	myAdjustPoints
QVector< DtShowHideContext >	myHiddenByModules
QVector< DtShowHideContext >	myIgnoreContexts
bool	myRemoveIfOffscreen
bool	myCacheSymbolAsBitmap
bool	myEditMode
QString	mySymbolBitmapCacheKey

Private Member Functions
	DtCompositeSymbol ()
	Not implemented. Private to ensure it is only constructed with a drawer.

Additional Inherited Members
Public Types inherited from DtSymbol
enum	DtSymbol_OverlapTest {   DtSymbol_BoundingSphere = 0, DtSymbol_BoundingBox = 1, DtSymbol_SpherePieces = 2, DtSymbol_BoxPieces = 3,   DtSymbol_Exact = 4 }
	Type of overlap test. More...
enum	DtSymbol_DrawOrder { DtSymbol_DrawAsEntered = 0, DtSymbol_DrawFirst = 1, DtSymbol_DrawLast = 2 }
enum	DtSymbolCompositeDrawOptions { DtSymbol_Always = 0, DtSymbol_Never = 1, DtSymbol_OnlyIfCloned = 2 }
Public Slots inherited from DtSymbol
virtual void	invalidateStaticAnimData ()
	This gets called when modified symbols exist and the original symbol has been destroyed.
virtual void	displayComplete ()
	Call when the display of this symbol is complete.
virtual void	clearDragClone (QObject *)
	Called when the drag clone is destroyed outside of this context, we will be notified in that case to clear out this symbols internal pointer.
Signals inherited from DtSymbol
void	originalSymbolDestroyed ()
	Sent when an original symbol has been destroyed - (so that the drawer can remove that cache)
void	destroyed (const DtSymbol *)
	Called when we are destroyed, this will give our drawers a chance to update any cached information.
void	originChanged (const DtSymbol *)
	Sent when setOrigin is called with a different origin.
void	visibilityChanged (const DtSymbol *)
	Sent when visibility change sending is enabled and a symbol is shown or hidden when it wasn't before.
void	displayComplete (const DtSymbol *)
	Called from displayComplete()
Static Protected Attributes inherited from DtSymbol
static DtNullDrawer	theNullDrawer

Detailed Description

Container symbol used to hold one or more other symbols derived from DtSymbol.

Mouse messages are routed from the composite children all the way up to the root composite symbol - they are not processed by the children.

Constructor & Destructor Documentation

DtCompositeSymbol::DtCompositeSymbol

(

const DtCompositeSymbol &

orig

)

standard

virtual DtCompositeSymbol::~DtCompositeSymbol ( )

virtual

DtCompositeSymbol::DtCompositeSymbol

(

DtSymbolDrawer &

drawer

)

default constructor

DtCompositeSymbol::DtCompositeSymbol	(	DtSymbolDrawer &	drawer,
		const DtDisplayPoint &	center
	)

DtCompositeSymbol::DtCompositeSymbol ( )

private

Not implemented. Private to ensure it is only constructed with a drawer.

Member Function Documentation

DtCompositeSymbol& DtCompositeSymbol::operator=

(

const DtCompositeSymbol &

orig

)

virtual DtSymbol* DtCompositeSymbol::clone ( ) const

virtual

Returns an instance of a symbol which is a copy of this.

The caller is responsible for freeing the memory.

Reimplemented from DtSymbol.

Reimplemented in DtMovingObjectSymbol, DtEntitySymbol, DtPointObjectSymbol, DtLineObjectSymbol, DtAggregateSymbol, DtCircleObjectSymbol, DtNameLabelSymbol, DtAreaObjectSymbol, and DtCompositeLabelSymbol.

virtual bool DtCompositeSymbol::setLocationData ( const QPolygon *  )

virtual

This function is used so that multipoint symbols have the same interface as single point symbols In the single point case, it takes the first value and sets the origin from that.

Reimplemented from DtSymbol.

Reimplemented in DtCircleObjectSymbol.

void DtCompositeSymbol::shift ( QPoint  p )

virtual

Move the center of this object by p amount.

Reimplemented from DtSymbol.

Reimplemented in DtMovingObjectSymbol, DtPointObjectSymbol, and DtAggregateSymbol.

virtual void DtCompositeSymbol::draw ( QPainter &  paint ) const

virtual

Reimplemented from DtSymbol.

Reimplemented in DtAggregateSymbol.

virtual void DtCompositeSymbol::drawHidden ( QPainter &  paint ) const

virtual

Reimplemented from DtSymbol.

virtual const DtDisplayPoint DtCompositeSymbol::centerPoint ( ) const

virtual

Set/get the location of the center of the symbol.

Also set the children if they have the offset variable

Reimplemented from DtSymbol.

Reimplemented in DtPointObjectSymbol, DtAggregateSymbol, and DtMovingObjectSymbol.

virtual bool DtCompositeSymbol::select ( const QPoint &  point )

virtual

Checks to see if any children symbols intersect.

Reimplemented from DtSymbol.

Reimplemented in DtPointObjectSymbol, DtMovingObjectSymbol, DtAreaObjectSymbol, DtLineObjectSymbol, and DtCircleObjectSymbol.

virtual void DtCompositeSymbol::addSymbol ( DtSymbol *  symbol, bool  isALabel = false  )

virtual

Adds a child symbol to the composite.

The first symbol added becomes the center symbol. If isALabel is true it will also be added to the label list.

Reimplemented in DtCompositeLabelSymbol.

virtual void DtCompositeSymbol::removeSymbol ( const DtSymbol *  symbol, bool  deleteSymbol = true, bool  resetMainSymbol = false  )

virtual

Removes a child symbol from the composite.

If resetMainSymbol is true, sets main symbol to first child if the original main symbol is removed

virtual void DtCompositeSymbol::removeSymbol ( int  iIndex, bool  deleteSymbol = true, bool  resetMainSymbol = false  )

virtual

virtual void DtCompositeSymbol::removeAllSymbols ( const QVector< DtSymbol * > &  except = QVector< DtSymbol * >() )

virtual

Removes all child symbols from the composite.

Supply an optional vector list of symbols to not remove. Note that all children removed are also deleted

virtual DtSymbol* DtCompositeSymbol::setMainSymbol ( DtSymbol *  symbol )

virtual

Set/get the center symbol.

This way, we can change the center of the symbol after the first has been added. setMainSymbol returns the old main symbol

virtual DtSymbol* DtCompositeSymbol::mainSymbol ( ) const

virtual

virtual DtSymbol* DtCompositeSymbol::getSymbolByName ( const QString &  name )

virtual

Get a symbol by using its name.

If it doesn't exist, then return null.

virtual bool DtCompositeSymbol::isComposite ( )

inlinevirtual

Returns true if this symbol is a combination of others (this returns true)

Reimplemented from DtSymbol.

virtual QSize DtCompositeSymbol::bbox ( ) const

virtual

Calculates size of the composite based on its children.

Reimplemented from DtSymbol.

Reimplemented in DtAggregateSymbol, and DtMovingObjectSymbol.

virtual QRect DtCompositeSymbol::selBbox ( ) const

virtual

Get the selection box (area where you can select an item)

• this queries the drawer

Reimplemented from DtSymbol.

Reimplemented in DtAggregateSymbol, DtMovingObjectSymbol, and DtPointObjectSymbol.

virtual bool DtCompositeSymbol::overlapsSymbol ( const DtSymbol &  aSymbol, const DtSymbol_OverlapTest  aTest = DtSymbol_BoxPieces, const float  aTolerance = 0  ) const

virtual

Returns true if the two symbols overlap Different intersection tests are available.

Less exact tests are faster. Tolerance controls the overlap. Use the default of 0 for symbols which can touch but not overlap. Positive numbers force more space between symbols, negative numbers allow for overlap.

Reimplemented from DtSymbol.

Reimplemented in DtAggregateSymbol.

virtual bool DtCompositeSymbol::labelsOverlapsSymbol ( const DtSymbol &  aSymbol, const DtSymbol_OverlapTest  aTest = DtSymbol_BoundingBox, const float  aTolerance = 0  ) const

virtual

Reimplemented in DtAggregateSymbol.

virtual DtSymbolList* DtCompositeSymbol::childrenList ( ) const

virtual

virtual DtSymbolList* DtCompositeSymbol::labelList ( ) const

virtual

virtual bool DtCompositeSymbol::show ( DtShowHideContext  module )

virtual

Show this symbol and any other symbol in the hidden list.

Reimplemented from DtSymbol.

virtual bool DtCompositeSymbol::hide ( DtShowHideContext  module )

virtual

Hide symbols that are shown and put into hidden list.

Reimplemented from DtSymbol.

virtual void DtCompositeSymbol::setDrawOrder ( )

virtual

Creates the draw order list for the symbols.

virtual DtSymbol* DtCompositeSymbol::editableSymbol ( )

virtual

Returns the symbol that can be edited via an event handler.

Reimplemented in DtMovingObjectSymbol.

virtual int DtCompositeSymbol::labelOffset ( const DtSymbol *  s ) const

virtual

Returns the label offset from the main symbols bounding box.

If internal variable is -1, returns half the width of the bounding box of the specified symbol, else returns the value of myLabelOffset

virtual void DtCompositeSymbol::setLabelOffset ( int  i )

virtual

virtual const QPoint& DtCompositeSymbol::lowestLabelOffset ( ) const

virtual

Returns the parent offset of the last label drawn.

virtual void DtCompositeSymbol::setTransparencyLevel ( int  )

virtual

Transparency information.

Reimplemented from DtSymbol.

virtual void DtCompositeSymbol::hideAllChildren ( DtShowHideContext  iModule = DtDefaultShowHideContext )

virtual

Hides all children but keeps main symbol shown.

virtual void DtCompositeSymbol::showAllChildren ( DtShowHideContext  iModule = DtDefaultShowHideContext )

virtual

Shows all children.

virtual void DtCompositeSymbol::setShadowText ( bool  b )

virtual

Cycles through all children and set shadow text to be true (if they are TTS symbol).

All children that are DtCompositeSymbol will have their setShadowText method called. When future items are added, if they are composite symbols or labels, and shadow text is true, they will have setShadowText(true) called for them

virtual void DtCompositeSymbol::blockSignals ( bool  )

virtual

Blocks signals from being emitted from this symbol.

Overridden to allow for possible recursive usage

Reimplemented from DtSymbol.

virtual bool DtCompositeSymbol::originIsCenterOfMass ( ) const

virtual

Asks main symbol if the origin is center of call.

Reimplemented from DtSymbol.

static DtSymbol* DtCompositeSymbol::create ( DtSymbolDrawer &  drawer )

static

Reimplemented in DtNameLabelSymbol, DtPointObjectSymbol, DtLineObjectSymbol, DtAreaObjectSymbol, and DtCircleObjectSymbol.

virtual void DtCompositeSymbol::setCacheSymbolAsBitmap ( bool  )

virtual

Get/set whether or not the drawer should cache this symbol as a bitmap.

Currently only supported for font symbols. The drawer holds the image cache based on a cache key returned by the symbol. Default caching is false. Default cache key is "Symbol";

Reimplemented from DtSymbol.

virtual void DtCompositeSymbol::setShowIndicatorOption ( int  )

virtual

int DtCompositeSymbol::showIndicatorOption ( ) const

inline

References myShowIndicatorOption.

virtual DtShowHideContext DtCompositeSymbol::mapIndicatorOptionToContext ( int  ) const

virtual

virtual void DtCompositeSymbol::setHighlight ( const bool  highlight )

virtual

Set/get the highlight flag (whether the symbol should be drawn highlighted).

Reimplemented from DtSymbol.

Reimplemented in DtPointObjectSymbol, DtLineObjectSymbol, DtMovingObjectSymbol, and DtCircleObjectSymbol.

virtual bool DtCompositeSymbol::editMode ( )

virtual

Extends the editMode functions from basic DtySymbol to propagate correctly.

Reimplemented from DtSymbol.

virtual void DtCompositeSymbol::setEditMode ( bool  onOff )

virtual

Reimplemented from DtSymbol.

virtual void DtCompositeSymbol::reset ( )

virtual

Resets any relevant information associated with this symbol.

Currently only calls reset on any static animation data

Reimplemented from DtSymbol.

virtual bool DtCompositeSymbol::transparentCacheChanged ( ) const

protectedvirtual

Reimplemented from DtSymbol.

virtual void DtCompositeSymbol::cacheTransparentVariables ( )

protectedvirtual

Reimplemented from DtSymbol.

virtual void DtCompositeSymbol::symbolDestroyed ( const DtSymbol *  s )

protectedvirtualslot

Called when this symbol is destroyed outside of this composite symbol.

virtual void DtCompositeSymbol::symbolRemoved ( const DtSymbol *  s )

protectedvirtualslot

Removes a symbol without deleting it.

virtual void DtCompositeSymbol::setChildrenList ( DtSymbolList *  list )

protectedvirtual

Sets the symbol children list.

virtual bool DtCompositeSymbol::forceUpdate ( ) const

protectedvirtual

If any children want to redraw, this symbol needs to be redrawn.

Reimplemented from DtSymbol.

virtual void DtCompositeSymbol::draw ( DtSymbol *  symbol, QPainter &  paint  ) const

protectedvirtual

Draws the symbol.

Override for any specific drawing. Called for each symbol to be drawn

Reimplemented in DtMovingObjectSymbol, and DtPointObjectSymbol.

virtual void DtCompositeSymbol::drawHidden ( DtSymbol *  symbol, QPainter &  paint  ) const

protectedvirtual

virtual void DtCompositeSymbol::setScaleBy ( double  factor )

protectedvirtual

Scaling factors.

Reimplemented from DtSymbol.

virtual bool DtCompositeSymbol::isScalable ( ) const

protectedvirtual

Return true/false if this is a scalable symbol. By default returns false.

Reimplemented from DtSymbol.

virtual void DtCompositeSymbol::setupSelect ( )

protectedvirtual

Called before a selection is made, clears out the mySelectedChildren list.

virtual void DtCompositeSymbol::selectSymbols ( )

protectedvirtual

virtual void DtCompositeSymbol::wasHidden ( DtSymbol *  )

protectedvirtual

The following two methods are only called if the parent is hidden Called when a child symbol of this symbol is hidden.

Reimplemented from DtSymbol.

virtual void DtCompositeSymbol::wasShown ( DtSymbol *  )

protectedvirtual

Called when a child symbol of this symbol is shown.

Reimplemented from DtSymbol.

Member Data Documentation

DtSymbolList* DtCompositeSymbol::myChildrenList

protected

DtSymbolList* DtCompositeSymbol::myLabelList

protected

DtSymbol* DtCompositeSymbol::myMainSymbol

protected

DtSymbolList* DtCompositeSymbol::myDrawOrder

protected

DtSymbolList* DtCompositeSymbol::mySelectedChildren

protected

int DtCompositeSymbol::myLabelOffset

protected

QPoint DtCompositeSymbol::myLastParentOffset

protected

bool DtCompositeSymbol::myShadowText

protected

int DtCompositeSymbol::myShowIndicatorOption

protected

Referenced by showIndicatorOption().

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

• include/symbology/compositeSymbol.h