Aspect_WindowInputListener Class Reference

Defines a listener for window input events. More...

#include <Aspect_WindowInputListener.hxx>

Inheritance diagram for Aspect_WindowInputListener:

Public Member Functions
virtual	~Aspect_WindowInputListener ()
	DEFINE_STANDARD_ALLOC.
double	EventTime () const
	Return event time (e.g. current time).
virtual void	ProcessExpose ()=0
	Handle expose event (window content has been invalidation and should be redrawn).
virtual void	ProcessConfigure (bool theIsResized)=0
	Handle window resize event.
virtual void	ProcessInput ()=0
	Handle window input event immediately (flush input buffer or ignore).
virtual void	ProcessFocus (bool theIsActivated)=0
	Handle focus event.
virtual void	ProcessClose ()=0
	Handle window close event.
keyboard input
Return keyboard state.
const Aspect_VKeySet &	Keys () const
	Return keyboard state.
Aspect_VKeySet &	ChangeKeys ()
	Return keyboard state.
virtual void	KeyDown (Aspect_VKey theKey, double theTime, double thePressure=1.0)=0
	Press key. Default implementation updates internal cache.
virtual void	KeyUp (Aspect_VKey theKey, double theTime)=0
	Release key. Default implementation updates internal cache.
virtual void	KeyFromAxis (Aspect_VKey theNegative, Aspect_VKey thePositive, double theTime, double thePressure)=0
	Simulate key up/down events from axis value. Default implementation updates internal cache.
mouse input
Update mouse scroll event. This method is expected to be called from UI thread. Parameters theDelta mouse cursor position and delta Returns TRUE if new event has been created or FALSE if existing one has been updated
virtual bool	UpdateMouseScroll (const Aspect_ScrollDelta &theDelta)=0
	Handle mouse button press/release event. This method is expected to be called from UI thread.
virtual bool	UpdateMouseButtons (const Graphic3d_Vec2i &thePoint, Aspect_VKeyMouse theButtons, Aspect_VKeyFlags theModifiers, bool theIsEmulated)=0
	Handle mouse button press/release event. This method is expected to be called from UI thread.
virtual bool	UpdateMousePosition (const Graphic3d_Vec2i &thePoint, Aspect_VKeyMouse theButtons, Aspect_VKeyFlags theModifiers, bool theIsEmulated)=0
	Handle mouse cursor movement event. This method is expected to be called from UI thread. Default implementation does nothing.
bool	PressMouseButton (const Graphic3d_Vec2i &thePoint, Aspect_VKeyMouse theButton, Aspect_VKeyFlags theModifiers, bool theIsEmulated)
	Handle mouse button press event. This method is expected to be called from UI thread. Default implementation redirects to UpdateMousePosition().
bool	ReleaseMouseButton (const Graphic3d_Vec2i &thePoint, Aspect_VKeyMouse theButton, Aspect_VKeyFlags theModifiers, bool theIsEmulated)
	Handle mouse button release event. This method is expected to be called from UI thread. Default implementation redirects to UpdateMousePosition().
Aspect_VKeyMouse	PressedMouseButtons () const
	Return currently pressed mouse buttons.
Aspect_VKeyFlags	LastMouseFlags () const
	Return active key modifiers passed with last mouse event.
const Graphic3d_Vec2i &	LastMousePosition () const
	Return last mouse position.
multi-touch input
Return TRUE if touches map is not empty.
bool	HasTouchPoints () const
	Return map of active touches.
const Aspect_TouchMap &	TouchPoints () const
	Return map of active touches.
virtual void	AddTouchPoint (Standard_Size theId, const Graphic3d_Vec2d &thePnt, Standard_Boolean theClearBefore=false)
	Add touch point with the given ID. This method is expected to be called from UI thread.
virtual bool	RemoveTouchPoint (Standard_Size theId, Standard_Boolean theClearSelectPnts=false)
	Remove touch point with the given ID. This method is expected to be called from UI thread.
virtual void	UpdateTouchPoint (Standard_Size theId, const Graphic3d_Vec2d &thePnt)
	Update touch point with the given ID. If point with specified ID was not registered before, it will be added. This method is expected to be called from UI thread.

Protected Attributes
keyboard input variables
Aspect_VKeySet	myKeys
	keyboard state
mouse input variables
Graphic3d_Vec2i	myMousePositionLast
	last mouse position
Aspect_VKeyMouse	myMousePressed
	active mouse buttons
Aspect_VKeyFlags	myMouseModifiers
	active key modifiers passed with last mouse event
Aspect_TouchMap	myTouchPoints
	map of active touches
3d mouse input variables
bool	my3dMouseButtonState [32]
	cached button state
NCollection_Vec3< bool >	my3dMouseNoRotate
	ignore 3d mouse rotation axes
NCollection_Vec3< bool >	my3dMouseToReverse
	reverse 3d mouse rotation axes
float	my3dMouseAccelTrans
	acceleration ratio for translation event
float	my3dMouseAccelRotate
	acceleration ratio for rotation event
bool	my3dMouseIsQuadric
	quadric acceleration

3d mouse input
Return acceleration ratio for translation event; 2.0 by default.
OSD_Timer	myEventTimer
	timer for timestamping events
float	Get3dMouseTranslationScale () const
	timer for timestamping events
void	Set3dMouseTranslationScale (float theScale)
	Set acceleration ratio for translation event.
float	Get3dMouseRotationScale () const
	Return acceleration ratio for rotation event; 4.0 by default.
void	Set3dMouseRotationScale (float theScale)
	Set acceleration ratio for rotation event.
bool	To3dMousePreciseInput () const
	Return quadric acceleration flag; TRUE by default.
void	Set3dMousePreciseInput (bool theIsQuadric)
	Set quadric acceleration flag.
const NCollection_Vec3< bool > &	Get3dMouseIsNoRotate () const
	Return 3d mouse rotation axes (tilt/roll/spin) ignore flag; (FALSE, FALSE, FALSE) by default.
NCollection_Vec3< bool > &	Change3dMouseIsNoRotate ()
	Return 3d mouse rotation axes (tilt/roll/spin) ignore flag; (FALSE, FALSE, FALSE) by default.
const NCollection_Vec3< bool > &	Get3dMouseToReverse () const
	Return 3d mouse rotation axes (tilt/roll/spin) reverse flag; (TRUE, FALSE, FALSE) by default.
NCollection_Vec3< bool > &	Change3dMouseToReverse ()
	Return 3d mouse rotation axes (tilt/roll/spin) reverse flag; (TRUE, FALSE, FALSE) by default.
virtual bool	Update3dMouse (const WNT_HIDSpaceMouse &theEvent)=0
	Process 3d mouse input event (redirects to translation, rotation and keys).
virtual bool	update3dMouseTranslation (const WNT_HIDSpaceMouse &theEvent)
	Process 3d mouse input translation event.
virtual bool	update3dMouseRotation (const WNT_HIDSpaceMouse &theEvent)
	Process 3d mouse input rotation event.
virtual bool	update3dMouseKeys (const WNT_HIDSpaceMouse &theEvent)
	Process 3d mouse input keys event.
	Aspect_WindowInputListener ()
	Empty constructor.

Detailed Description

Defines a listener for window input events.

Constructor & Destructor Documentation

~Aspect_WindowInputListener()

virtual Aspect_WindowInputListener::~Aspect_WindowInputListener ( )

virtual

DEFINE_STANDARD_ALLOC.

Destructor.

Aspect_WindowInputListener()

Aspect_WindowInputListener::Aspect_WindowInputListener ( )

protected

Empty constructor.

Member Function Documentation

AddTouchPoint()

virtual void Aspect_WindowInputListener::AddTouchPoint ( Standard_Size theId, const Graphic3d_Vec2d & thePnt, Standard_Boolean theClearBefore = false )

virtual

Add touch point with the given ID. This method is expected to be called from UI thread.

Parameters

theId	touch unique identifier
thePnt	touch coordinates
theClearBefore	if TRUE previously registered touches will be removed

Reimplemented in AIS_ViewController.

Change3dMouseIsNoRotate()

NCollection_Vec3< bool > & Aspect_WindowInputListener::Change3dMouseIsNoRotate ( )

inline

Return 3d mouse rotation axes (tilt/roll/spin) ignore flag; (FALSE, FALSE, FALSE) by default.

Change3dMouseToReverse()

NCollection_Vec3< bool > & Aspect_WindowInputListener::Change3dMouseToReverse ( )

inline

Return 3d mouse rotation axes (tilt/roll/spin) reverse flag; (TRUE, FALSE, FALSE) by default.

ChangeKeys()

Aspect_VKeySet & Aspect_WindowInputListener::ChangeKeys ( )

inline

Return keyboard state.

EventTime()

double Aspect_WindowInputListener::EventTime ( ) const

inline

Return event time (e.g. current time).

Get3dMouseIsNoRotate()

const NCollection_Vec3< bool > & Aspect_WindowInputListener::Get3dMouseIsNoRotate ( ) const

inline

Return 3d mouse rotation axes (tilt/roll/spin) ignore flag; (FALSE, FALSE, FALSE) by default.

Get3dMouseRotationScale()

float Aspect_WindowInputListener::Get3dMouseRotationScale ( ) const

inline

Return acceleration ratio for rotation event; 4.0 by default.

Get3dMouseToReverse()

const NCollection_Vec3< bool > & Aspect_WindowInputListener::Get3dMouseToReverse ( ) const

inline

Return 3d mouse rotation axes (tilt/roll/spin) reverse flag; (TRUE, FALSE, FALSE) by default.

Get3dMouseTranslationScale()

float Aspect_WindowInputListener::Get3dMouseTranslationScale ( ) const

inline

timer for timestamping events

HasTouchPoints()

bool Aspect_WindowInputListener::HasTouchPoints ( ) const

inline

Return map of active touches.

KeyDown()

virtual void Aspect_WindowInputListener::KeyDown ( Aspect_VKey theKey, double theTime, double thePressure = 1.0 )

pure virtual

Press key. Default implementation updates internal cache.

Parameters

theKey	key pressed
theTime	event timestamp

Implemented in AIS_ViewController, and ViewerTest_EventManager.

KeyFromAxis()

virtual void Aspect_WindowInputListener::KeyFromAxis ( Aspect_VKey theNegative, Aspect_VKey thePositive, double theTime, double thePressure )

pure virtual

Simulate key up/down events from axis value. Default implementation updates internal cache.

Implemented in AIS_ViewController.

Keys()

const Aspect_VKeySet & Aspect_WindowInputListener::Keys ( ) const

inline

Return keyboard state.

KeyUp()

virtual void Aspect_WindowInputListener::KeyUp ( Aspect_VKey theKey, double theTime )

pure virtual

Release key. Default implementation updates internal cache.

Parameters

theKey	key pressed
theTime	event timestamp

Implemented in AIS_ViewController, and ViewerTest_EventManager.

LastMouseFlags()

Aspect_VKeyFlags Aspect_WindowInputListener::LastMouseFlags ( ) const

inline

Return active key modifiers passed with last mouse event.

LastMousePosition()

const Graphic3d_Vec2i & Aspect_WindowInputListener::LastMousePosition ( ) const

inline

Return last mouse position.

PressedMouseButtons()

Aspect_VKeyMouse Aspect_WindowInputListener::PressedMouseButtons ( ) const

inline

Return currently pressed mouse buttons.

PressMouseButton()

bool Aspect_WindowInputListener::PressMouseButton ( const Graphic3d_Vec2i & thePoint, Aspect_VKeyMouse theButton, Aspect_VKeyFlags theModifiers, bool theIsEmulated )

inline

Handle mouse button press event. This method is expected to be called from UI thread. Default implementation redirects to UpdateMousePosition().

Parameters

thePoint	mouse cursor position
theButton	pressed button
theModifiers	key modifiers
theIsEmulated	if TRUE then mouse event comes NOT from real mouse but emulated from non-precise input like touch on screen

Returns

TRUE if window content should be redrawn

ProcessClose()

virtual void Aspect_WindowInputListener::ProcessClose ( )

pure virtual

Handle window close event.

Implemented in AIS_ViewController.

ProcessConfigure()

virtual void Aspect_WindowInputListener::ProcessConfigure ( bool theIsResized )

pure virtual

Handle window resize event.

Implemented in AIS_ViewController, and ViewerTest_EventManager.

ProcessExpose()

virtual void Aspect_WindowInputListener::ProcessExpose ( )

pure virtual

Handle expose event (window content has been invalidation and should be redrawn).

Implemented in AIS_ViewController, and ViewerTest_EventManager.

ProcessFocus()

virtual void Aspect_WindowInputListener::ProcessFocus ( bool theIsActivated )

pure virtual

Handle focus event.

Implemented in AIS_ViewController.

ProcessInput()

virtual void Aspect_WindowInputListener::ProcessInput ( )

pure virtual

Handle window input event immediately (flush input buffer or ignore).

Implemented in AIS_ViewController, and ViewerTest_EventManager.

ReleaseMouseButton()

bool Aspect_WindowInputListener::ReleaseMouseButton ( const Graphic3d_Vec2i & thePoint, Aspect_VKeyMouse theButton, Aspect_VKeyFlags theModifiers, bool theIsEmulated )

inline

Handle mouse button release event. This method is expected to be called from UI thread. Default implementation redirects to UpdateMousePosition().

Parameters

thePoint	mouse cursor position
theButton	released button
theModifiers	key modifiers
theIsEmulated	if TRUE then mouse event comes NOT from real mouse but emulated from non-precise input like touch on screen

Returns

TRUE if window content should be redrawn

RemoveTouchPoint()

virtual bool Aspect_WindowInputListener::RemoveTouchPoint ( Standard_Size theId, Standard_Boolean theClearSelectPnts = false )

virtual

Remove touch point with the given ID. This method is expected to be called from UI thread.

Parameters

theId	touch unique identifier
theClearSelectPnts	if TRUE will initiate clearing of selection points

Returns

TRUE if point has been removed

Reimplemented in AIS_ViewController.

Set3dMousePreciseInput()

void Aspect_WindowInputListener::Set3dMousePreciseInput ( bool theIsQuadric )

inline

Set quadric acceleration flag.

Set3dMouseRotationScale()

void Aspect_WindowInputListener::Set3dMouseRotationScale ( float theScale )

inline

Set acceleration ratio for rotation event.

Set3dMouseTranslationScale()

void Aspect_WindowInputListener::Set3dMouseTranslationScale ( float theScale )

inline

Set acceleration ratio for translation event.

To3dMousePreciseInput()

bool Aspect_WindowInputListener::To3dMousePreciseInput ( ) const

inline

Return quadric acceleration flag; TRUE by default.

TouchPoints()

const Aspect_TouchMap & Aspect_WindowInputListener::TouchPoints ( ) const

inline

Return map of active touches.

Update3dMouse()

virtual bool Aspect_WindowInputListener::Update3dMouse ( const WNT_HIDSpaceMouse & theEvent )

pure virtual

Process 3d mouse input event (redirects to translation, rotation and keys).

Implemented in AIS_ViewController.

update3dMouseKeys()

virtual bool Aspect_WindowInputListener::update3dMouseKeys ( const WNT_HIDSpaceMouse & theEvent )

virtual

Process 3d mouse input keys event.

update3dMouseRotation()

virtual bool Aspect_WindowInputListener::update3dMouseRotation ( const WNT_HIDSpaceMouse & theEvent )

virtual

Process 3d mouse input rotation event.

update3dMouseTranslation()

virtual bool Aspect_WindowInputListener::update3dMouseTranslation ( const WNT_HIDSpaceMouse & theEvent )

virtual

Process 3d mouse input translation event.

UpdateMouseButtons()

virtual bool Aspect_WindowInputListener::UpdateMouseButtons ( const Graphic3d_Vec2i & thePoint, Aspect_VKeyMouse theButtons, Aspect_VKeyFlags theModifiers, bool theIsEmulated )

pure virtual

Handle mouse button press/release event. This method is expected to be called from UI thread.

Parameters

thePoint	mouse cursor position
theButtons	pressed buttons
theModifiers	key modifiers
theIsEmulated	if TRUE then mouse event comes NOT from real mouse but emulated from non-precise input like touch on screen

Returns

TRUE if window content should be redrawn

Implemented in AIS_ViewController, and ViewerTest_EventManager.

UpdateMousePosition()

virtual bool Aspect_WindowInputListener::UpdateMousePosition ( const Graphic3d_Vec2i & thePoint, Aspect_VKeyMouse theButtons, Aspect_VKeyFlags theModifiers, bool theIsEmulated )

pure virtual

Handle mouse cursor movement event. This method is expected to be called from UI thread. Default implementation does nothing.

Parameters

thePoint	mouse cursor position
theButtons	pressed buttons
theModifiers	key modifiers
theIsEmulated	if TRUE then mouse event comes NOT from real mouse but emulated from non-precise input like touch on screen

Returns

TRUE if window content should be redrawn

Implemented in AIS_ViewController.

UpdateMouseScroll()

virtual bool Aspect_WindowInputListener::UpdateMouseScroll ( const Aspect_ScrollDelta & theDelta )

pure virtual

Handle mouse button press/release event. This method is expected to be called from UI thread.

Parameters

thePoint	mouse cursor position
theButtons	pressed buttons
theModifiers	key modifiers
theIsEmulated	if TRUE then mouse event comes NOT from real mouse but emulated from non-precise input like touch on screen

Returns

TRUE if window content should be redrawn

Implemented in AIS_ViewController, and ViewerTest_EventManager.

UpdateTouchPoint()

virtual void Aspect_WindowInputListener::UpdateTouchPoint ( Standard_Size theId, const Graphic3d_Vec2d & thePnt )

virtual

Update touch point with the given ID. If point with specified ID was not registered before, it will be added. This method is expected to be called from UI thread.

Parameters

theId	touch unique identifier
thePnt	touch coordinates

Reimplemented in AIS_ViewController.

Field Documentation

my3dMouseAccelRotate

float Aspect_WindowInputListener::my3dMouseAccelRotate

protected

acceleration ratio for rotation event

my3dMouseAccelTrans

float Aspect_WindowInputListener::my3dMouseAccelTrans

protected

acceleration ratio for translation event

my3dMouseButtonState

bool Aspect_WindowInputListener::my3dMouseButtonState[32]

protected

cached button state

my3dMouseIsQuadric

bool Aspect_WindowInputListener::my3dMouseIsQuadric

protected

quadric acceleration

my3dMouseNoRotate

NCollection_Vec3<bool> Aspect_WindowInputListener::my3dMouseNoRotate

protected

ignore 3d mouse rotation axes

my3dMouseToReverse

NCollection_Vec3<bool> Aspect_WindowInputListener::my3dMouseToReverse

protected

reverse 3d mouse rotation axes

myEventTimer

OSD_Timer Aspect_WindowInputListener::myEventTimer

protected

timer for timestamping events

myKeys

Aspect_VKeySet Aspect_WindowInputListener::myKeys

protected

keyboard state

myMouseModifiers

Aspect_VKeyFlags Aspect_WindowInputListener::myMouseModifiers

protected

active key modifiers passed with last mouse event

myMousePositionLast

Graphic3d_Vec2i Aspect_WindowInputListener::myMousePositionLast

protected

last mouse position

myMousePressed

Aspect_VKeyMouse Aspect_WindowInputListener::myMousePressed

protected

active mouse buttons

myTouchPoints

Aspect_TouchMap Aspect_WindowInputListener::myTouchPoints

protected

map of active touches

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

• Aspect_WindowInputListener.hxx