TopicView Class Reference

Base class for widgets that display topic data. More...

#include <TopicView.hh>

Inherits QDialog.

Inherited by ImagesView, ImageView, LaserView, and TextView.

Public Member Functions
	TopicView (QWidget *_parent, const std::string &_msgType, const std::string &_viewType, unsigned int _displayPeriod=500)
	Constructor. More...
virtual	~TopicView ()
	Destructor. More...
virtual void	SetTopic (const std::string &_topicName)
	Set the name of the topic to get data from. More...

Protected Member Functions
virtual void	closeEvent (QCloseEvent *_event)
	Qt close event callback. More...
void	OnMsg (const common::Time &_dataTime, int _size)
	Used by child class to indicate when a message has been received. More...

Protected Attributes
QFrame *	frame
	This is the frame that each child class should populate. More...
std::string	msgTypeName
	Typename of the messages that can be displayed. More...
transport::NodePtr	node
	Pointer to the node for communication. More...
transport::SubscriberPtr	sub
	Pointer to the topic subscriber that receives display data. More...

Detailed Description

Base class for widgets that display topic data.

Constructor & Destructor Documentation

TopicView()

TopicView	(	QWidget *	_parent,
		const std::string &	_msgType,
		const std::string &	_viewType,
		unsigned int	_displayPeriod = 500
	)

Constructor.

Parameters

[in]	_parent	Parent QWidget.
[in]	_msgType	Type of message that the viewer can display.
[in]	_parent	Pointer to the parent widget.
[in]	_viewType	The type of the viewer.
[in]	_displayPeriod	Milliseconds between display updates.

~TopicView()

virtual ~TopicView ( )

virtual

Destructor.

Member Function Documentation

closeEvent()

virtual void closeEvent ( QCloseEvent *  _event )

protectedvirtual

Qt close event callback.

Parameters

[in]

_event

The close event info.

OnMsg()

void OnMsg ( const common::Time &  _dataTime, int  _size  )

protected

Used by child class to indicate when a message has been received.

Parameters

[in]	_dataTime	Time the data was created. This time should be the timestamp when data was generated on the server.
[in]	_size	Size of the message in bytes.

SetTopic()

virtual void SetTopic ( const std::string &  _topicName )

virtual

Set the name of the topic to get data from.

Parameters

[in]

_topicName

Name of the topic to use.

Reimplemented in ImageView, LaserView, TextView, and ImagesView.

Member Data Documentation

frame

QFrame* frame

protected

This is the frame that each child class should populate.

msgTypeName

std::string msgTypeName

protected

Typename of the messages that can be displayed.

node

transport::NodePtr node

protected

Pointer to the node for communication.

sub

transport::SubscriberPtr sub

protected

Pointer to the topic subscriber that receives display data.

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

• TopicView.hh