Ewl_Expansion: The Expansion node for Tree

Detailed Description

Defines a widget for tree's expansion node


Data Structures
struct	Ewl_Expansion
	Inherits from Ewl_Check and extends it to provide a expanded state. More...
Defines
#define	EWL_EXPANSION(c) ((Ewl_Expansion *)c)
#define	EWL_EXPANSION_IS(w) (ewl_widget_type_is(EWL_WIDGET(w), EWL_EXPANSION_TYPE))
#define	EWL_EXPANSION_TYPE "expansion"
Typedefs
typedef Ewl_Expansion	Ewl_Expansion
Functions
void	ewl_expansion_cb_reveal (Ewl_Widget w, void ev_data, void *user_data)
void	ewl_expansion_expandable_set (Ewl_Expansion *c, int expandable)
	Change the expandable status of the expansion.
int	ewl_expansion_init (Ewl_Expansion *c)
	Initialize the members and callbacks of a expansion.
int	ewl_expansion_is_expandable (Ewl_Expansion *c)
	Determine the expandable state of the expansion.
Ewl_Widget *	ewl_expansion_new (void)
	Allocate and initialize a new expansion.

#define EWL_EXPANSION ( c ) ((Ewl_Expansion *)c)

Typecasts a pointer to an Ewl_Expansion pointer.

#define EWL_EXPANSION_IS ( w ) (ewl_widget_type_is(EWL_WIDGET(w), EWL_EXPANSION_TYPE))

Returns TRUE if the widget is an Ewl_Expansion, FALSE otherwise

#define EWL_EXPANSION_TYPE "expansion"

The type name for the Ewl_Expansion widget

A tree expansion handle.

void ewl_expansion_expandable_set	(	Ewl_Expansion *	cb,
		int	c
	)

Change the expandable status of the expansion.

Parameters:

	cb,:	the expansion to change the status
	c,:	the new status of the expansion

Changes the expandable status of the expansion and updates it's appearance to reflect the change.

int ewl_expansion_init ( Ewl_Expansion * cb )

Initialize the members and callbacks of a expansion.

Parameters:

cb,:

the expansion to initialize

The internal structures and callbacks of the expansion are initialized to default values.

int ewl_expansion_is_expandable ( Ewl_Expansion * cb )

Determine the expandable state of the expansion.

Parameters:

cb,:

the expansion to examine for it's expandable state

Ewl_Widget* ewl_expansion_new ( void )

Allocate and initialize a new expansion.

Returns:: Returns the newly allocated expansion on success, NULL on failure.