#include <GLViewer_Context.h>

Public Member Functions
	GLViewer_Context (GLViewer_Viewer2d *)
	A constructor. More...

	~GLViewer_Context ()
	A desructor. More...

void	setUpdateAll (bool on)
	A function installing update flag in highlighting technology. More...

bool	isUpdateAll () const
	Returns update flag in highlighting technology. More...

int	MoveTo (int x, int y, bool byCircle=false)
	Main interactive method. Trace mouse in viewer window. More...

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) More...

void	SetSelectionColor (Quantity_NameOfColor aCol)
	A function installing select color for all presentation (does not work) More...

Quantity_NameOfColor	HighlightColor ()
	Returns highlight color. More...

Quantity_NameOfColor	SelectionColor ()
	Returns select color. More...

int	NbSelected ()
	Returns number of objects in current selection. More...

void	InitSelected ()
	A function set iterator of selected objects on first object. More...

bool	MoreSelected ()
	Retuns true if iterator of selected objects is not set on last object. More...

bool	NextSelected ()
	Increment of iterator of selected objects. More...

GLViewer_Object *	SelectedObject ()
	Returns object corresponding the current iterator of selected objects. More...

bool	isSelected (GLViewer_Object *theObject)
	Returns true if theObject is selected. More...

int	insertObject (GLViewer_Object *theObject, bool display=false, bool isActive=true)
	Insert new object in context. More...

bool	replaceObject (GLViewer_Object oldObject, GLViewer_Object newObject)
	Replacing objects in context. More...

void	updateScales (GLfloat theX, GLfloat theY)
	A function updating scales of all objects in context. More...

void	setTolerance (int tol)
	A function installing tolerance in window pixels for highlghting and selection methods. More...

const ObjList &	getObjects (bool isActive=true)
	Returns list of context objects. More...

GLViewer_Object *	getFirstObject ()
	Returns first active object. More...

void	clearHighlighted (bool updateViewer)
	A function clear highlighted object information. More...

void	clearSelected (bool updateViewer)
	A function clear selection object information. More...

void	setSelected (GLViewer_Object *theObject, bool updateViewer)
	A function make theObject as selected object and update viewer if updateViewer = true. More...

void	remSelected (GLViewer_Object *theObject, bool updateViewer)
	A function make theObject as unselected object and update viewer if updateViewer = true. More...

GLViewer_Object *	getCurrentObject ()
	Returns highlighted object. More...

bool	currentObjectIsChanged ()
	Returns true if after last MoveTo method calling highlight object is changed. More...

void	eraseObject (GLViewer_Object *theObject, bool updateViewer=true)
	A function installing to theObject invisible status and update viewer if updateViewer = true. More...

void	deleteObject (GLViewer_Object *theObject, bool updateViewer=true)
	A function remove theObject from context and update viewer if updateViewer = true. More...

bool	setActive (GLViewer_Object *theObject)
	A function installing to theObject active status. More...

bool	setInactive (GLViewer_Object *theObject)
	A function installing to theObject inactive status. More...

Protected Attributes
bool	myUpdateAll
	Flag of updating viewer after highlight. More...

GLViewer_Viewer2d *	myGLViewer2d

GLViewer_Object *	myLastPicked
	Highlighted object. More...

bool	myLastPickedChanged
	= true if after last MoveTo method calling highlight object is changed More...

ObjList	myActiveObjects
	List of active object. More...

ObjList	myInactiveObjects
	List of inactive object. More...

ObjList	mySelectedObjects
	List of selected objects. More...

int	mySelCurIndex
	Selected object iterator. More...

GLfloat	myXhigh
	X coordinate of mouse cursor. More...

GLfloat	myYhigh
	Y coordinate of mouse cursor. More...

Quantity_NameOfColor	myHighlightColor
	Color for highlight. More...

Quantity_NameOfColor	mySelectionColor
	Color for selection. More...

GLboolean	myHFlag
	If = false - moveTo method is not any highlighting. More...

GLboolean	mySFlag
	If = false - select method is not any select. More...

int	myTolerance
	Tolerance in window pixels for highlghting and selection methods. More...

Detailed Description

Class for manage of presentations in GLViewer

Constructor & Destructor Documentation

◆ GLViewer_Context()

GLViewer_Context::GLViewer_Context ( GLViewer_Viewer2d * v )

A constructor.

Constructor

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

◆ ~GLViewer_Context()

GLViewer_Context::~GLViewer_Context ( )

A desructor.

Destructor

References myActiveObjects, myInactiveObjects, and mySelectedObjects.

Member Function Documentation

◆ clearHighlighted()

void GLViewer_Context::clearHighlighted ( bool updateViewer )

A function clear highlighted object information.

Clears hilighting of objects

Parameters

updateViewer - if it is true, viewer must be updated

References myGLViewer2d, myHFlag, myLastPicked, GLViewer_Object::unhighlight(), and GLViewer_Viewer2d::updateAll().

◆ clearSelected()

void GLViewer_Context::clearSelected ( bool updateViewer )

A function clear selection object information.

Clears selection of objects

Parameters

updateViewer - if it is true, viewer must be updated

References GLViewer_Viewer2d::activateDrawers(), myGLViewer2d, mySelectedObjects, and mySFlag.

◆ currentObjectIsChanged()

bool GLViewer_Context::currentObjectIsChanged ( )

inline

Returns true if after last MoveTo method calling highlight object is changed.

◆ deleteObject()

void GLViewer_Context::deleteObject	(	GLViewer_Object *	theObject,
		bool	updateViewer = `true`
	)

A function remove theObject from context and update viewer if updateViewer = true.

Deletes object in

Parameters

updateViewer - if it is true, viewer must be updated

References GLViewer_Object::getGroup(), myActiveObjects, myGLViewer2d, myInactiveObjects, myLastPicked, mySelectedObjects, GLViewer_Group::removeObject(), and GLViewer_Viewer2d::updateAll().

◆ eraseObject()

void GLViewer_Context::eraseObject	(	GLViewer_Object *	theObject,
		bool	theUpdateViewer = `true`
	)

A function installing to theObject invisible status and update viewer if updateViewer = true.

Erases object in viewer

Parameters

theUpdateViewer - if it is true, viewer must be updated

References myActiveObjects, myGLViewer2d, GLViewer_Object::setVisible(), GLViewer_Object::unhighlight(), GLViewer_Object::unselect(), and GLViewer_Viewer2d::updateAll().

◆ getCurrentObject()

GLViewer_Object* GLViewer_Context::getCurrentObject ( )

inline

Returns highlighted object.

◆ getFirstObject()

GLViewer_Object* GLViewer_Context::getFirstObject ( )

inline

Returns first active object.

◆ getObjects()

const ObjList& GLViewer_Context::getObjects ( bool isActive = true )

inline

Returns list of context objects.

Returns: active objects if isActive = true, else inactive objects

◆ HighlightColor()

Quantity_NameOfColor GLViewer_Context::HighlightColor ( )

inline

Returns highlight color.

◆ InitSelected()

void GLViewer_Context::InitSelected ( )

A function set iterator of selected objects on first object.

Inits iteration through selected objects

References mySelCurIndex.

◆ insertObject()

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

Insert new object in context.

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.

◆ isSelected()

bool GLViewer_Context::isSelected ( GLViewer_Object * theObj )

Returns true if theObject is selected.

Returns: true if object is selected

Parameters

theObj - object to be checked

References mySelectedObjects.

◆ isUpdateAll()

bool GLViewer_Context::isUpdateAll ( ) const

inline

Returns update flag in highlighting technology.

◆ MoreSelected()

bool GLViewer_Context::MoreSelected ( )

Retuns true if iterator of selected objects is not set on last object.

Checks if iteration through selected objects may be continued

References mySelCurIndex, and NbSelected().

◆ MoveTo()

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

Main interactive method. Trace mouse in viewer window.

Parameters

x	- X coord of mouse cursor
y	- Y coord of mouse cursor \paran 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(), GLViewer_Object::isSelectable(), myActiveObjects, myGLViewer2d, myHFlag, myLastPicked, myLastPickedChanged, myTolerance, myUpdateAll, myXhigh, myYhigh, GLViewer_Viewer2d::transPoint(), GLViewer_Object::unhighlight(), and GLViewer_Viewer2d::updateAll().

◆ NbSelected()

int GLViewer_Context::NbSelected ( )

Returns number of objects in current selection.

Returns: number of selected objects

References mySelectedObjects.

◆ NextSelected()

bool GLViewer_Context::NextSelected ( )

Increment of iterator of selected objects.

Iterates to next selected object

References mySelCurIndex, and NbSelected().

◆ remSelected()

void GLViewer_Context::remSelected	(	GLViewer_Object *	object,
		bool	updateViewer
	)

A function make theObject as unselected object and update viewer if updateViewer = true.

Unselects object, other selected objects are left as selected

Parameters

updateViewer - if it is true, viewer must be updated

References GLViewer_Viewer2d::activateDrawer(), myGLViewer2d, and mySelectedObjects.

◆ replaceObject()

bool GLViewer_Context::replaceObject	(	GLViewer_Object *	oldObject,
		GLViewer_Object *	newObject
	)

Replacing objects in context.

Function search active and incative objects

Replaces object in context

Parameters

oldObject	- object to be replaced
newObject	- object for replacing

References myActiveObjects, and myInactiveObjects.

◆ Select()

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().

◆ SelectByRect()

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().

◆ SelectedObject()

GLViewer_Object * GLViewer_Context::SelectedObject ( )

Returns object corresponding the current iterator of selected objects.

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

References mySelCurIndex, and mySelectedObjects.

◆ SelectionColor()

Quantity_NameOfColor GLViewer_Context::SelectionColor ( )

inline

Returns select color.

◆ setActive()

bool GLViewer_Context::setActive ( GLViewer_Object * theObject )

A function installing to theObject active status.

Installs active status to object

Parameters

theObject

References myActiveObjects, and myInactiveObjects.

◆ SetHighlightColor()

void GLViewer_Context::SetHighlightColor ( Quantity_NameOfColor aCol )

A function installing highlight color for all presentation (does not work)

Sets color of hilighting

Parameters

aCol	- new color of highlighting

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

◆ setInactive()

bool GLViewer_Context::setInactive ( GLViewer_Object * theObject )

A function installing to theObject inactive status.

Installs inactive status to object

Parameters

theObject

References myActiveObjects, and myInactiveObjects.

◆ setSelected()

void GLViewer_Context::setSelected	(	GLViewer_Object *	object,
		bool	updateViewer
	)

A function make theObject as selected object and update viewer if updateViewer = true.

Selects object, other selected objects are left as selected

Parameters

updateViewer - if it is true, viewer must be updated

References GLViewer_Viewer2d::activateDrawer(), myActiveObjects, myGLViewer2d, and mySelectedObjects.

◆ SetSelectionColor()

void GLViewer_Context::SetSelectionColor ( Quantity_NameOfColor aCol )

A function installing select color for all presentation (does not work)

Sets color of selection

Parameters

aCol	- new color of selection

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

◆ setTolerance()

void GLViewer_Context::setTolerance ( int tol )

inline

A function installing tolerance in window pixels for highlghting and selection methods.

◆ setUpdateAll()

void GLViewer_Context::setUpdateAll ( bool on )

inline

A function installing update flag in highlighting technology.

◆ updateScales()

void GLViewer_Context::updateScales	(	GLfloat	scX,
		GLfloat	scY
	)

A function updating scales of all objects in context.

Updates scales of all objects in context

References myActiveObjects, and myInactiveObjects.

Member Data Documentation

◆ myActiveObjects

ObjList GLViewer_Context::myActiveObjects

protected

List of active object.

Active objects if consider in highlight and select methods

◆ myGLViewer2d

GLViewer_Viewer2d* GLViewer_Context::myGLViewer2d

protected

◆ myHFlag

GLboolean GLViewer_Context::myHFlag

protected

If = false - moveTo method is not any highlighting.

◆ myHighlightColor

Quantity_NameOfColor GLViewer_Context::myHighlightColor

protected

Color for highlight.

◆ myInactiveObjects

ObjList GLViewer_Context::myInactiveObjects

protected

List of inactive object.

Active objects isn't consider in highlight and select methods

◆ myLastPicked

GLViewer_Object* GLViewer_Context::myLastPicked

protected

Highlighted object.

◆ myLastPickedChanged

bool GLViewer_Context::myLastPickedChanged

protected

= true if after last MoveTo method calling highlight object is changed

◆ mySelCurIndex

int GLViewer_Context::mySelCurIndex

protected

Selected object iterator.

◆ mySelectedObjects

ObjList GLViewer_Context::mySelectedObjects

protected

List of selected objects.

◆ mySelectionColor

Quantity_NameOfColor GLViewer_Context::mySelectionColor

protected

Color for selection.

◆ mySFlag

GLboolean GLViewer_Context::mySFlag

protected

If = false - select method is not any select.

◆ myTolerance

int GLViewer_Context::myTolerance

protected

Tolerance in window pixels for highlghting and selection methods.

◆ myUpdateAll

bool GLViewer_Context::myUpdateAll

protected

Flag of updating viewer after highlight.

if = true, the viewer update all objects after change of highlight object, else - only highlight object

◆ myXhigh

GLfloat GLViewer_Context::myXhigh

protected

X coordinate of mouse cursor.

◆ myYhigh

GLfloat GLViewer_Context::myYhigh

protected

Y coordinate of mouse cursor.

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

src/GLViewer/GLViewer_Context.h
src/GLViewer/GLViewer_Context.cxx

Public Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ GLViewer_Context()

◆ ~GLViewer_Context()

Member Function Documentation

◆ clearHighlighted()

◆ clearSelected()

◆ currentObjectIsChanged()

◆ deleteObject()

◆ eraseObject()

◆ getCurrentObject()

◆ getFirstObject()

◆ getObjects()

◆ HighlightColor()

◆ InitSelected()

◆ insertObject()

◆ isSelected()

◆ isUpdateAll()

◆ MoreSelected()

◆ MoveTo()

◆ NbSelected()

◆ NextSelected()

◆ remSelected()

◆ replaceObject()

◆ Select()

◆ SelectByRect()

◆ SelectedObject()

◆ SelectionColor()

◆ setActive()

◆ SetHighlightColor()

◆ setInactive()

◆ setSelected()

◆ SetSelectionColor()

◆ setTolerance()

◆ setUpdateAll()

◆ updateScales()

Member Data Documentation

◆ myActiveObjects

◆ myGLViewer2d

◆ myHFlag

◆ myHighlightColor

◆ myInactiveObjects

◆ myLastPicked

◆ myLastPickedChanged

◆ mySelCurIndex

◆ mySelectedObjects

◆ mySelectionColor

◆ mySFlag

◆ myTolerance

◆ myUpdateAll

◆ myXhigh

◆ myYhigh