#include <GLViewer_Context.h>

Public Member Functions
	GLViewer_Context (GLViewer_Viewer2d *)
	A constructor.
	~GLViewer_Context ()
	A desructor.
void	setUpdateAll (bool on)
	A function installing update flag in highlighting technology.
bool	isUpdateAll () const
	Returns update flag in highlighting technology.
int	MoveTo (int x, int y, bool byCircle=FALSE)
	Main interactive method. Trace mouse in viewer window.
int	Select (bool Append=FALSE, bool byCircle=FALSE)
int	SelectByRect (const QRect &theRect, bool Append=FALSE)
void	SetHighlightColor (Quantity_NameOfColor aCol)
	A function installing highlight color for all presentation (does not work)
void	SetSelectionColor (Quantity_NameOfColor aCol)
	A function installing select color for all presentation (does not work)
Quantity_NameOfColor	HighlightColor ()
	Returns highlight color.
Quantity_NameOfColor	SelectionColor ()
	Returns select color.
int	NbSelected ()
	Returns number of objects in current selection.
void	InitSelected ()
	A function set iterator of selected objects on first object.
bool	MoreSelected ()
	Retuns true if iterator of selected objects is not set on last object.
bool	NextSelected ()
	Increment of iterator of selected objects.
GLViewer_Object *	SelectedObject ()
	Returns object corresponding the current iterator of selected objects.
bool	isSelected (GLViewer_Object *theObject)
	Returns true if theObject is selected.
int	insertObject (GLViewer_Object *theObject, bool display=false, bool isActive=true)
	Insert new object in context.
bool	replaceObject (GLViewer_Object oldObject, GLViewer_Object newObject)
	Replacing objects in context.
void	updateScales (GLfloat theX, GLfloat theY)
	A function updating scales of all objects in context.
void	setTolerance (int tol)
	A function installing tolerance in window pixels for highlghting and selection methods.
const ObjList &	getObjects (bool isActive=true)
	Returns list of context objects.
GLViewer_Object *	getFirstObject ()
	Returns first active object.
void	clearHighlighted (bool updateViewer)
	A function clear highlighted object information.
void	clearSelected (bool updateViewer)
	A function clear selection object information.
void	setSelected (GLViewer_Object *theObject, bool updateViewer)
	A function make theObject as selected object and update viewer if updateViewer = true.
void	remSelected (GLViewer_Object *theObject, bool updateViewer)
	A function make theObject as unselected object and update viewer if updateViewer = true.
GLViewer_Object *	getCurrentObject ()
	Returns highlighted object.
bool	currentObjectIsChanged ()
	Returns true if after last MoveTo method calling highlight object is changed.
void	eraseObject (GLViewer_Object *theObject, bool updateViewer=true)
	A function installing to theObject invisible status and update viewer if updateViewer = true.
void	deleteObject (GLViewer_Object *theObject, bool updateViewer=true)
	A function remove theObject from context and update viewer if updateViewer = true.
bool	setActive (GLViewer_Object *theObject)
	A function installing to theObject active status.
bool	setInactive (GLViewer_Object *theObject)
	A function installing to theObject inactive status.
Protected Attributes
bool	myUpdateAll
	Flag of updating viewer after highlight.
GLViewer_Viewer2d *	myGLViewer2d
GLViewer_Object *	myLastPicked
	Highlighted object.
bool	myLastPickedChanged
	= true if after last MoveTo method calling highlight object is changed
ObjList	myActiveObjects
	List of active object.
ObjList	myInactiveObjects
	List of inactive object.
ObjList	mySelectedObjects
	List of selected objects.
int	mySelCurIndex
	Selected object iterator.
GLfloat	myXhigh
	X coordinate of mouse cursor.
GLfloat	myYhigh
	Y coordinate of mouse cursor.
Quantity_NameOfColor	myHighlightColor
	Color for highlight.
Quantity_NameOfColor	mySelectionColor
	Color for selection.
GLboolean	myHFlag
	If = false - moveTo method is not any highlighting.
GLboolean	mySFlag
	If = false - select method is not any select.
int	myTolerance
	Tolerance in window pixels for highlghting and selection methods.

Detailed Description

Class for manage of presentations in GLViewer

Constructor & Destructor Documentation

GLViewer_Context::GLViewer_Context ( GLViewer_Viewer2d * v )

Constructor

References myHFlag, myLastPicked, myLastPickedChanged, mySelCurIndex, mySFlag, and myUpdateAll.

GLViewer_Context::~GLViewer_Context ( )

Destructor

References myActiveObjects, myInactiveObjects, and mySelectedObjects.

Member Function Documentation

void GLViewer_Context.setUpdateAll ( bool on )

bool GLViewer_Context.isUpdateAll ( ) const

int GLViewer_Context::MoveTo	(	int	xi,
		int	yi,
		bool	byCircle = `FALSE`
	)

Parameters:

x	- X coord of mouse cursor
y	- Y coord of mouse cursor byCircle - true if needs round sensitive area around mouse cursor, else rectangle function search object rectangle which intersect with sensitive area and call object highlight method

Hiilights objects under cursor

Parameters:

x	- X coord of mouse cursor
y	- Y coord of mouse cursor
byCircle	- true if needs round sensitive area around mouse cursor, else rectangle function search object rectangle which intersect with sensitive area and call object highlight method

References GLViewer_Viewer2d.activateDrawers(), GLViewer_Rect.contains(), GLViewer_Object.highlight(), myActiveObjects, myGLViewer2d, myHFlag, myLastPicked, myLastPickedChanged, myTolerance, myUpdateAll, myXhigh, myYhigh, GLViewer_Viewer2d.transPoint(), GLViewer_Object.unhighlight(), and GLViewer_Viewer2d.updateAll().

int GLViewer_Context::Select	(	bool	Append = `FALSE`,
		bool	byCircle = `FALSE`
	)

A function selecting already highlighting object by calling object method select

Parameters:

Append	- true if new selection will be append to existing selection, false - another
byCircle	- true if needs round selection area in complex object

Selects already highlighting object by calling object method select

Parameters:

Append	- true if new selection will be append to existing selection, false - another
byCircle	- true if needs round selection area in complex object

References GLViewer_Viewer2d.activateDrawer(), GLViewer_Viewer2d.activateDrawers(), GLViewer_Rect.contains(), GLViewer_Viewer.getActiveView(), GLViewer_ViewPort2d.getScale(), GLViewer_ViewFrame.getViewPort(), GLViewer_Object.isSelected(), myActiveObjects, myGLViewer2d, myHFlag, myLastPicked, mySelectedObjects, mySFlag, myTolerance, myUpdateAll, myXhigh, myYhigh, GLViewer_Object.select(), SS_GlobalChanged, SS_Invalid, SS_LocalChanged, SS_NoChanged, GLViewer_Object.unselect(), and GLViewer_Viewer2d.updateAll().

int GLViewer_Context::SelectByRect	(	const QRect &	theRect,
		bool	Append = `FALSE`
	)

A function selecting objects on scene by rectangle

Parameters:

theRect	- rectangle of selection
Append	- true if new selection will be append to existing selection, false - another function search object rectangle which intersect with theRect and call object select method

Selects objects on scene by rectangle

Parameters:

theRect	- rectangle of selection
Append	- true if new selection will be append to existing selection, false - another function search object rectangle which intersect with theRect and call object select method

References GLViewer_Viewer2d.activateDrawers(), GLViewer_Viewer.getActiveView(), GLViewer_Viewer2d.getGLVRect(), GLViewer_Viewer2d.getQRect(), GLViewer_ViewPort2d.getScale(), GLViewer_ViewFrame.getViewPort(), myActiveObjects, myGLViewer2d, mySelectedObjects, mySFlag, myTolerance, myUpdateAll, myXhigh, myYhigh, SS_GlobalChanged, SS_Invalid, SS_NoChanged, and GLViewer_Viewer2d.updateAll().

void GLViewer_Context::SetHighlightColor ( Quantity_NameOfColor aCol )

Sets color of hilighting

Parameters:

aCol	- new color of highlighting

References myGLViewer2d, myHighlightColor, mySelectionColor, and GLViewer_Viewer2d.updateColors().

void GLViewer_Context::SetSelectionColor ( Quantity_NameOfColor aCol )

Sets color of selection

Parameters:

aCol	- new color of selection

References myGLViewer2d, myHighlightColor, mySelectionColor, and GLViewer_Viewer2d.updateColors().

Quantity_NameOfColor GLViewer_Context.HighlightColor ( )

Quantity_NameOfColor GLViewer_Context.SelectionColor ( )

int GLViewer_Context::NbSelected ( )

Returns:: number of selected objects

References mySelectedObjects.

void GLViewer_Context::InitSelected ( )

Inits iteration through selected objects

References mySelCurIndex.

bool GLViewer_Context::MoreSelected ( )

Checks if iteration through selected objects may be continued

References mySelCurIndex, and NbSelected().

bool GLViewer_Context::NextSelected ( )

Iterates to next selected object

References mySelCurIndex, and NbSelected().

GLViewer_Object * GLViewer_Context::SelectedObject ( )

Returns:: current selected object (must be used only in cycle as "for( InitSelected(); MoreSelected(); NextSelected() ) {...}" )

References mySelCurIndex, and mySelectedObjects.

bool GLViewer_Context::isSelected ( GLViewer_Object * theObj )

Returns:: true if object is selected

Parameters:

theObj - object to be checked

References mySelectedObjects.

int GLViewer_Context::insertObject	(	GLViewer_Object *	object,
		bool	display = `false`,
		bool	isActive = `true`
	)

Parameters:

theObject	- inserting object
display	- true if needs display object immediatly after inserting, else false
isActive	- true if needs inserting object in active list

Inserts new object in context

Parameters:

theObject	- object to be inserted
display	- true if needs display object immediatly after inserting, else false
isActive	- true if needs inserting object in active list

References GLViewer_Viewer2d.activateDrawer(), myActiveObjects, myGLViewer2d, and myInactiveObjects.