Ewl_View: A data view

Detailed Description

Defines the callbacks for setting up the widgets based on the data returned from the Model. Create widgets, set data on widgets, calculate sizing, minimize number of widgets.


Data Structures
struct	Ewl_View
	The view function pointers. More...
Defines
#define	EWL_VIEW(view) ((Ewl_View *)view)
#define	EWL_VIEW_EXPANSION_VIEW_FETCH_GET(f) ((Ewl_View_Expansion_View_Fetch)f)
#define	EWL_VIEW_HEADER_GET(f) ((Ewl_View_Header_Fetch)f)
#define	EWL_VIEW_WIDGET_FETCH(f) ((Ewl_View_Widget_Fetch)f)
Typedefs
typedef Ewl_View	Ewl_View
typedef Ewl_View ()	Ewl_View_Expansion_View_Fetch (void *data, unsigned int row)
typedef Ewl_Widget ()	Ewl_View_Header_Fetch (void data, unsigned int column, void private_data)
typedef void(*)	Ewl_View_Widget_Assign (Ewl_Widget w, void data, unsigned int row, unsigned int col, void *private_data)
typedef Ewl_Widget ()	Ewl_View_Widget_Constructor (unsigned int col, void *private_data)
Functions
Ewl_View *	ewl_view_clone (const Ewl_View *src)
	Creates a new Ewl_View object.
void	ewl_view_destroy (Ewl_View *v)
	Destroys the view, so its memory is returned to the system.
Ewl_View_Expansion_View_Fetch	ewl_view_expansion_view_fetch_get (const Ewl_View *v)
	Gets the expansion view fetch callback from the view.
void	ewl_view_expansion_view_fetch_set (Ewl_View *v, Ewl_View_Expansion_View_Fetch f)
	Sets the expansion view fetch callback into the view.
Ewl_View_Header_Fetch	ewl_view_header_fetch_get (const Ewl_View *v)
	Gets the header fetch callback from the view.
void	ewl_view_header_fetch_set (Ewl_View *v, Ewl_View_Header_Fetch f)
	Sets the header fetch callback into the view.
int	ewl_view_init (Ewl_View *view)
	Initializes an Ewl_View object to default values.
Ewl_View *	ewl_view_new (void)
	Creates a new Ewl_View object.
Ewl_View_Widget_Assign	ewl_view_widget_assign_get (const Ewl_View *view)
void	ewl_view_widget_assign_set (Ewl_View *view, Ewl_View_Widget_Assign assign)
	This will set the given widget assign callback into the view.
Ewl_View_Widget_Constructor	ewl_view_widget_constructor_get (const Ewl_View *view)
	Get the constructor set on this view.
void	ewl_view_widget_constructor_set (Ewl_View *view, Ewl_View_Widget_Constructor c)
	This will set the given widget fetch callback into the view.

Define Documentation

#define EWL_VIEW ( view ) ((Ewl_View *)view)

Typecasts a pointer to an Ewl_View pointer.

#define EWL_VIEW_EXPANSION_VIEW_FETCH_GET ( f ) ((Ewl_View_Expansion_View_Fetch)f)

View callback to get a view for expanded data on a row

#define EWL_VIEW_HEADER_GET ( f ) ((Ewl_View_Header_Fetch)f)

View callback to get the header for a given column

#define EWL_VIEW_WIDGET_FETCH ( f ) ((Ewl_View_Widget_Fetch)f)

View callback for the constructor for a data row

Typedef Documentation

typedef struct Ewl_View Ewl_View

The Ewl_View type

typedef Ewl_View*(*) Ewl_View_Expansion_View_Fetch(void *data, unsigned int row)

A typedef to shorten the definition of the view_expansion_view_fetch callbacks.

typedef Ewl_Widget*(*) Ewl_View_Header_Fetch(void *data, unsigned int column, void *private_data)

A typedef to shorten the definition of the fetch callback.

typedef void(*) Ewl_View_Widget_Assign(Ewl_Widget *w, void *data, unsigned int row, unsigned int col, void *private_data)

A typedef to shorten the definition of the view_widget_assign callbacks.

typedef Ewl_Widget*(*) Ewl_View_Widget_Constructor(unsigned int col, void *private_data)

A typedef to shorten the definition of the cunstroctor callback.

Function Documentation

Ewl_View* ewl_view_clone ( const Ewl_View * src )

Creates a new Ewl_View object.

Parameters:

src,:

An existing view to copy as a basis for a new view

Returns:: Returns a new Ewl_View object on success or NULL on failure

void ewl_view_destroy ( Ewl_View * v )

Destroys the view, so its memory is returned to the system.

Parameters:

v,:

View that will be destroyed

Returns:: Returns no value

Ewl_View_Expansion_View_Fetch ewl_view_expansion_view_fetch_get ( const Ewl_View * v )

Gets the expansion view fetch callback from the view.

Parameters:

v,:

The Ewl_View to get the Ewl_View_Expansion_View_Fetch function from

Returns:: Returns the Ewl_View_Expansion_View_Fetch callback set on the view, or NULL on failure.

void ewl_view_expansion_view_fetch_set	(	Ewl_View *	v,
		Ewl_View_Expansion_View_Fetch	f
	)

Sets the expansion view fetch callback into the view.

Parameters:

	v,:	The Ewl_View to set the expansion_view_fetch callback on
	f,:	The Ewl_View_Expansion_View_Fetch callback

Returns:: Returns no value.

Ewl_View_Header_Fetch ewl_view_header_fetch_get ( const Ewl_View * v )

Gets the header fetch callback from the view.

Parameters:

v,:

The Ewl_View to get the Ewl_View_Header_Fetch function from

Returns:: Returns the Ewl_View_Header_Fetch callback set on the view, or NULL on failure.

void ewl_view_header_fetch_set	(	Ewl_View *	v,
		Ewl_View_Header_Fetch	f
	)

Sets the header fetch callback into the view.

Parameters:

	v,:	The Ewl_View to set the header_fetch callback on
	f,:	The Ewl_View_Header_Fetch callback

Returns:: Returns no value.

int ewl_view_init ( Ewl_View * view )

Initializes an Ewl_View object to default values.

Parameters:

view,:

The Ewl_View to initialize

Returns:: Returns TRUEE on success or FALSE on failure

Ewl_View* ewl_view_new ( void )

Creates a new Ewl_View object.

Returns:: Returns a new Ewl_View object on success or NULL on failure

Ewl_View_Widget_Assign ewl_view_widget_assign_get ( const Ewl_View * view )

void ewl_view_widget_assign_set	(	Ewl_View *	v,
		Ewl_View_Widget_Assign	assign
	)

This will set the given widget assign callback into the view.

Parameters:

	v,:	The Ewl_View to set the widget assign callback into
	fetch,:	The Ewl_View_Widget_Assign to set into the view

Returns:: Returns no value.

Ewl_View_Widget_Constructor ewl_view_widget_constructor_get ( const Ewl_View * v )

Get the constructor set on this view.

Parameters:

v,:

The Ewl_View to get the constructor from

Returns:: Returns the Ewl_View_Constructor set into the view or NULL if none set.

void ewl_view_widget_constructor_set	(	Ewl_View *	v,
		Ewl_View_Widget_Constructor	c
	)

This will set the given widget fetch callback into the view.

Parameters:

	v,:	The Ewl_View to set the widget fetch callback into
	fetch,:	The Ewl_View_Widget_Fetch to set into the view

Returns:: Returns no value.

Ewl_View: A data view

Detailed Description

Data Structures

Defines

Typedefs

Functions

Define Documentation

Typedef Documentation

Function Documentation