FlowCanvas::Canvas Class Reference
[Canvas widget for dataflow systems.]

The 'master' canvas widget which contains all other objects. More...

#include <Canvas.hpp>

List of all members.

Public Member Functions
	Canvas (double width, double height)
virtual	~Canvas ()
void	destroy ()
void	add_item (boost::shared_ptr< Item > i)
bool	remove_item (boost::shared_ptr< Item > i)
boost::shared_ptr< Connection >	get_connection (boost::shared_ptr< Connectable > tail, boost::shared_ptr< Connectable > head) const
bool	add_connection (boost::shared_ptr< Connectable > tail, boost::shared_ptr< Connectable > head, uint32_t color)
bool	add_connection (boost::shared_ptr< Connection > connection)
boost::shared_ptr< Connection >	remove_connection (boost::shared_ptr< Connectable > tail, boost::shared_ptr< Connectable > head)
void	set_default_placement (boost::shared_ptr< Module > m)
void	clear_selection ()
void	select_item (boost::shared_ptr< Item > item)
void	unselect_ports ()
void	unselect_item (boost::shared_ptr< Item > item)
void	unselect_connection (Connection *c)
ItemList &	items ()
ItemList &	selected_items ()
ConnectionList &	connections ()
ConnectionList &	selected_connections ()
void	lock (bool l)
bool	locked () const
double	get_zoom ()
void	set_zoom (double pix_per_unit)
void	zoom_full ()
void	render_to_dot (const std::string &filename)
virtual void	arrange (bool use_length_hints=false)
double	width () const
double	height () const
void	resize (double width, double height)
void	resize_all_items ()
ArtVpathDash *	select_dash ()
	Dash applied to selected items.
virtual void	connect (boost::shared_ptr< Connectable >, boost::shared_ptr< Connectable >)
	Make a connection.
virtual void	disconnect (boost::shared_ptr< Connectable >, boost::shared_ptr< Connectable >)
	Disconnect two ports.
Protected Member Functions
virtual bool	canvas_event (GdkEvent *event)
virtual bool	frame_event (GdkEvent *ev)
Protected Attributes
ItemList	_items
	All items on this canvas.
ConnectionList	_connections
	All connections on this canvas.
std::list< boost::shared_ptr < Item > >	_selected_items
	All currently selected modules.
std::list< boost::shared_ptr < Connection > >	_selected_connections
	All currently selected connections.
Friends
class	Module

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Detailed Description

The 'master' canvas widget which contains all other objects.

Applications must override some virtual methods to make the widget actually do anything (ie connect).

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Constructor & Destructor Documentation

FlowCanvas::Canvas::Canvas	(	double	width,
		double	height
	)

virtual FlowCanvas::Canvas::~Canvas

(

)

[virtual]

---

Member Function Documentation

void FlowCanvas::Canvas::destroy

(

)

void FlowCanvas::Canvas::add_item

(

boost::shared_ptr< Item >

i

)

bool FlowCanvas::Canvas::remove_item

(

boost::shared_ptr< Item >

i

)

boost::shared_ptr<Connection> FlowCanvas::Canvas::get_connection	(	boost::shared_ptr< Connectable >	tail,
		boost::shared_ptr< Connectable >	head
	)			const

bool FlowCanvas::Canvas::add_connection	(	boost::shared_ptr< Connectable >	tail,
		boost::shared_ptr< Connectable >	head,
		uint32_t	color
	)

bool FlowCanvas::Canvas::add_connection

(

boost::shared_ptr< Connection >

connection

)

boost::shared_ptr<Connection> FlowCanvas::Canvas::remove_connection	(	boost::shared_ptr< Connectable >	tail,
		boost::shared_ptr< Connectable >	head
	)

void FlowCanvas::Canvas::set_default_placement

(

boost::shared_ptr< Module >

m

)

void FlowCanvas::Canvas::clear_selection

(

)

void FlowCanvas::Canvas::select_item

(

boost::shared_ptr< Item >

item

)

void FlowCanvas::Canvas::unselect_ports

(

)

void FlowCanvas::Canvas::unselect_item

(

boost::shared_ptr< Item >

item

)

void FlowCanvas::Canvas::unselect_connection

(

Connection *

c

)

ItemList& FlowCanvas::Canvas::items

(

)

[inline]

References _items.

ItemList& FlowCanvas::Canvas::selected_items

(

)

[inline]

References _selected_items.

ConnectionList& FlowCanvas::Canvas::connections

(

)

[inline]

References _connections.

ConnectionList& FlowCanvas::Canvas::selected_connections

(

)

[inline]

References _selected_connections.

void FlowCanvas::Canvas::lock

(

bool

l

)

bool FlowCanvas::Canvas::locked

(

)

const [inline]

double FlowCanvas::Canvas::get_zoom

(

)

[inline]

void FlowCanvas::Canvas::set_zoom

(

double

pix_per_unit

)

void FlowCanvas::Canvas::zoom_full

(

)

void FlowCanvas::Canvas::render_to_dot

(

const std::string &

filename

)

virtual void FlowCanvas::Canvas::arrange

(

bool

use_length_hints = false

)

[virtual]

double FlowCanvas::Canvas::width

(

)

const [inline]

double FlowCanvas::Canvas::height

(

)

const [inline]

void FlowCanvas::Canvas::resize	(	double	width,
		double	height
	)

void FlowCanvas::Canvas::resize_all_items

(

)

ArtVpathDash* FlowCanvas::Canvas::select_dash

(

)

[inline]

Dash applied to selected items.

Set an object's property_dash() to this for the "rubber band" effect

virtual void FlowCanvas::Canvas::connect	(	boost::shared_ptr< Connectable >	,
		boost::shared_ptr< Connectable >
	)			[inline, virtual]

Make a connection.

Should be overridden by an implementation to do something.

virtual void FlowCanvas::Canvas::disconnect	(	boost::shared_ptr< Connectable >	,
		boost::shared_ptr< Connectable >
	)			[inline, virtual]

Disconnect two ports.

Should be overridden by an implementation to do something

virtual bool FlowCanvas::Canvas::canvas_event

(

GdkEvent *

event

)

[protected, virtual]

virtual bool FlowCanvas::Canvas::frame_event

(

GdkEvent *

ev

)

[protected, virtual]

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Friends And Related Function Documentation

friend class Module [friend]

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Member Data Documentation

ItemList FlowCanvas::Canvas::_items [protected]

All items on this canvas.

Referenced by items().

ConnectionList FlowCanvas::Canvas::_connections [protected]

All connections on this canvas.

Referenced by connections().

std::list< boost::shared_ptr<Item> > FlowCanvas::Canvas::_selected_items [protected]

All currently selected modules.

Referenced by selected_items().

std::list< boost::shared_ptr<Connection> > FlowCanvas::Canvas::_selected_connections [protected]

All currently selected connections.

Referenced by selected_connections().

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

• /usr/src/RPM/BUILD/libflowcanvas-0.5.1/flowcanvas/Canvas.hpp