SkillGuiGraphDrawingArea Class Reference

#include <graph_drawing_area.h>

Inheritance diagram for SkillGuiGraphDrawingArea:

Public Member Functions
Cairo::RefPtr< Cairo::Context >	get_cairo ()
void	get_dimensions (double &width, double &height)
void	get_pad (double &pad_x, double &pad_y)
double	get_scale ()
void	get_translation (double &tx, double &ty)
bool	get_update_graph ()
void	open ()
void	save ()
bool	scale_override ()
void	set_active_state (std::string active_state)
void	set_bb (double bbw, double bbh)
bool	set_follow_active_state (bool follow_active_state)
void	set_graph (std::string graph)
void	set_graph_fsm (std::string fsm_name)
void	set_pad (double pad_x, double pad_y)
bool	set_recording (bool recording)
void	set_scale (double scale)
void	set_translation (double tx, double ty)
void	set_update_graph (bool update)
sigc::signal< void >	signal_update_disabled ()
	SkillGuiGraphDrawingArea ()
void	update_translations ()
void	zoom_fit ()
void	zoom_in ()
void	zoom_out ()
void	zoom_reset ()
	~SkillGuiGraphDrawingArea ()
Protected Member Functions
virtual bool	on_button_press_event (GdkEventButton *event)
virtual bool	on_button_release_event (GdkEventButton *event)
virtual bool	on_expose_event (GdkEventExpose *event)
virtual bool	on_motion_notify_event (GdkEventMotion *event)
virtual bool	on_scroll_event (GdkEventScroll *event)
Private Member Functions
std::string	get_active_state (Agraph_t *graph)
bool	get_state_position (std::string state_name, double &px, double &py)
void	layout_graph ()
void	save_dotfile (const char *filename)
Private Attributes
std::string	__active_state
double	__bbh
double	__bbw
Cairo::RefPtr< Cairo::Context >	__cairo
Gtk::FileChooserDialog *	__fcd_open
Gtk::FileChooserDialog *	__fcd_recording
Gtk::FileChooserDialog *	__fcd_save
Gtk::FileFilter *	__filter_dot
Gtk::FileFilter *	__filter_pdf
Gtk::FileFilter *	__filter_png
Gtk::FileFilter *	__filter_svg
bool	__follow_active_state
graph_t *	__graph
std::string	__graph_dot
std::string	__graph_fsm
GVC_t *	__gvc
double	__last_mouse_x
double	__last_mouse_y
double	__last_update_time
bool	__mouse_motion
std::string	__nonupd_active_state
std::string	__nonupd_graph
std::string	__nonupd_graph_fsm
double	__pad_x
double	__pad_y
std::string	__record_directory
bool	__recording
double	__scale
bool	__scale_override
sigc::signal< void >	__signal_update_disabled
double	__speed
double	__speed_max
double	__speed_ramp_distance
double	__translation_x
double	__translation_x_setpoint
double	__translation_y
double	__translation_y_setpoint
bool	__update_graph

Detailed Description

Graph drawing area. Derived version of Gtk::DrawingArea that renders a graph via Graphviz.

Author:: Tim Niemueller

Definition at line 36 of file graph_drawing_area.h.

Constructor & Destructor Documentation

SkillGuiGraphDrawingArea::SkillGuiGraphDrawingArea ( )

Constructor.

Definition at line 36 of file graph_drawing_area.cpp.

SkillGuiGraphDrawingArea::~SkillGuiGraphDrawingArea ( )

Definition at line 112 of file graph_drawing_area.cpp.

Member Function Documentation

std::string SkillGuiGraphDrawingArea::get_active_state ( Agraph_t * graph ) [private]

Cairo::RefPtr< Cairo::Context > SkillGuiGraphDrawingArea::get_cairo ( ) [virtual]

Get Cairo context. This is only valid during the expose event and is only meant for the Graphviz plugin.

Returns:: Cairo context

Implements SkillGuiCairoRenderInstructor.

Definition at line 378 of file graph_drawing_area.cpp.

void SkillGuiGraphDrawingArea::get_dimensions	(	double &	width,
		double &	height
	)			`[virtual]`

Get dimensions

Parameters:

	width	upon return contains width
	height	upon return contains height

Implements SkillGuiCairoRenderInstructor.

Definition at line 287 of file graph_drawing_area.cpp.

void SkillGuiGraphDrawingArea::get_pad	(	double &	pad_x,
		double &	pad_y
	)			`[virtual]`

Get padding. To be called only by the Graphviz plugin.

Parameters:

	pad_x	upon return contains padding in x
	pad_y	upon return contains padding in y

Implements SkillGuiCairoRenderInstructor.

Definition at line 227 of file graph_drawing_area.cpp.

double SkillGuiGraphDrawingArea::get_scale ( ) [virtual]

Get scale. To be called only by the Graphviz plugin.

Returns:: scale value

Implements SkillGuiCairoRenderInstructor.

Definition at line 266 of file graph_drawing_area.cpp.

bool SkillGuiGraphDrawingArea::get_state_position	(	std::string	state_name,
		double &	px,
		double &	py
	)			`[private]`

Get position of a state in the graph.

Parameters:

	state_name	name of state to get position of
	px	upon successful return contains X position value
	py	upon succesful return contains Y position value Positions px/py are decimal percentages of graph width/height from left/top.

Returns:: true if node has been found and px/py have been set, false otherwise

Definition at line 679 of file graph_drawing_area.cpp.

void SkillGuiGraphDrawingArea::get_translation	(	double &	tx,
		double &	ty
	)			`[virtual]`

Get translation.

Parameters:

	tx	upon return contains translation value
	ty	upon return contains translation value

Implements SkillGuiCairoRenderInstructor.

Definition at line 276 of file graph_drawing_area.cpp.

bool SkillGuiGraphDrawingArea::get_update_graph ( )

Check if graph is being updated.

Returns:: true if the graph will be update if new data is received, false otherwise

Definition at line 389 of file graph_drawing_area.cpp.

void SkillGuiGraphDrawingArea::layout_graph ( ) [private]

Definition at line 828 of file graph_drawing_area.cpp.

bool SkillGuiGraphDrawingArea::on_button_press_event ( GdkEventButton * event ) [protected, virtual]

Button press event handler.

Parameters:

event

event data

Returns:: true

Definition at line 631 of file graph_drawing_area.cpp.

bool SkillGuiGraphDrawingArea::on_button_release_event ( GdkEventButton * event ) [protected, virtual]

Button release event handler.

Parameters:

event

event data

Returns:: true

Definition at line 645 of file graph_drawing_area.cpp.

bool SkillGuiGraphDrawingArea::on_expose_event ( GdkEventExpose * event ) [protected, virtual]

Expose event handler.

Parameters:

event

event info structure.

Returns:: signal return value

Definition at line 579 of file graph_drawing_area.cpp.

bool SkillGuiGraphDrawingArea::on_motion_notify_event ( GdkEventMotion * event ) [protected, virtual]

Mouse motion notify event handler.

Parameters:

event

event data

Returns:: true

Definition at line 658 of file graph_drawing_area.cpp.

bool SkillGuiGraphDrawingArea::on_scroll_event ( GdkEventScroll * event ) [protected, virtual]

Scroll event handler.

Parameters:

event

event structure

Returns:: signal return value

Definition at line 615 of file graph_drawing_area.cpp.

void SkillGuiGraphDrawingArea::open ( )

Open a dot graph and display it.

Definition at line 543 of file graph_drawing_area.cpp.

void SkillGuiGraphDrawingArea::save ( )

save current graph.

Definition at line 471 of file graph_drawing_area.cpp.

void SkillGuiGraphDrawingArea::save_dotfile ( const char * filename ) [private]

Definition at line 414 of file graph_drawing_area.cpp.

bool SkillGuiGraphDrawingArea::scale_override ( ) [virtual]

Check if scale override is enabled.

Returns:: true if scale override is enabled, false otherwise

Implements SkillGuiCairoRenderInstructor.

Definition at line 366 of file graph_drawing_area.cpp.

void SkillGuiGraphDrawingArea::set_active_state ( std::string active_state )

void SkillGuiGraphDrawingArea::set_bb	(	double	bbw,
		double	bbh
	)			`[virtual]`

Set bounding box. To be called only by the Graphviz plugin.

Parameters:

	bbw	bounding box width
	bbh	bounding box height

Implements SkillGuiCairoRenderInstructor.

Definition at line 201 of file graph_drawing_area.cpp.

bool SkillGuiGraphDrawingArea::set_follow_active_state ( bool follow_active_state )

Enable/disable active state following.

Parameters:

follow_active_state

true to enable active state following, false otherwise

Returns:: true if follow_active_state is enabled now, false if it is disabled.

Definition at line 432 of file graph_drawing_area.cpp.

void SkillGuiGraphDrawingArea::set_graph ( std::string graph )

Set graph.

Parameters:

graph

string representation of the current graph in the dot language.

Definition at line 161 of file graph_drawing_area.cpp.

void SkillGuiGraphDrawingArea::set_graph_fsm ( std::string fsm_name )

Set graph's FSM name.

Parameters:

fsm_name

name of FSM the graph belongs to

Definition at line 144 of file graph_drawing_area.cpp.

void SkillGuiGraphDrawingArea::set_pad	(	double	pad_x,
		double	pad_y
	)			`[virtual]`

Set padding. To be called only by the Graphviz plugin.

Parameters:

	pad_x	padding in x
	pad_y	padding in y

Implements SkillGuiCairoRenderInstructor.

Definition at line 214 of file graph_drawing_area.cpp.

bool SkillGuiGraphDrawingArea::set_recording ( bool recording )

Enable/disable recording.

Parameters:

recording

true to enable recording, false otherwise

Returns:: true if recording is enabled now, false if it is disabled. Enabling the recording may fail for example if the user chose to abort the directory creation process.

Definition at line 451 of file graph_drawing_area.cpp.

void SkillGuiGraphDrawingArea::set_scale ( double scale ) [virtual]

Set scale. To be called only by the Graphviz plugin.

Parameters:

scale

scale value

Implements SkillGuiCairoRenderInstructor.

Definition at line 256 of file graph_drawing_area.cpp.