Ewl_Check: The Simple Check for a Checkbutton

Detailed Description

Defines a widget with single purpose of providing a button with a checked state, without any extra decorating.

Remarks:: Inherits from Ewl_Widget.

Tutorial

 Ewl_Widget *check;
 check = ewl_check_new();
 ewl_check_checked_set(EWL_CHECK(check), FALSE);
 ewl_widget_show(check);


Data Structures
struct	Ewl_Check
	Inherits from Ewl_Widget and extends to provide a checked state. More...
Defines
#define	EWL_CHECK(c) ((Ewl_Check *)c)
#define	EWL_CHECK_IS(w) (ewl_widget_type_is(EWL_WIDGET(w), EWL_CHECK_TYPE))
#define	EWL_CHECK_TYPE "check"
Typedefs
typedef Ewl_Check	Ewl_Check
Functions
void	ewl_check_cb_clicked (Ewl_Widget w, void ev_data, void *user_data)
void	ewl_check_cb_update_check (Ewl_Widget w, void ev_data, void *user_data)
void	ewl_check_checked_set (Ewl_Check *c, int checked)
	Change the checked status of the check.
int	ewl_check_init (Ewl_Check *c)
	Initialize the members and callbacks of a check.
int	ewl_check_is_checked (Ewl_Check *c)
	Determine the check state of the check.
Ewl_Widget *	ewl_check_new (void)
	Allocate and initialize a new check.

Define Documentation

#define EWL_CHECK ( c ) ((Ewl_Check *)c)

Typecasts a pointer to an Ewl_Check pointer.

#define EWL_CHECK_IS ( w ) (ewl_widget_type_is(EWL_WIDGET(w), EWL_CHECK_TYPE))

Returns TRUE if the widget is an Ewl_Check, FALSE otherwise

#define EWL_CHECK_TYPE "check"

The type name for the Ewl_Check widget

Typedef Documentation

typedef struct Ewl_Check Ewl_Check

A single purpose extension of Ewl_Widget to provide a checked state.

Function Documentation

void ewl_check_cb_clicked	(	Ewl_Widget *	w,
		void *	ev_data,
		void *	user_data
	)

void ewl_check_cb_update_check	(	Ewl_Widget *	w,
		void *	ev_data,
		void *	user_data
	)

void ewl_check_checked_set	(	Ewl_Check *	cb,
		int	c
	)

Change the checked status of the check.

Parameters:

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

Returns:: Returns no value.

Changes the checked status of the check and updates it's appearance to reflect the change.

int ewl_check_init ( Ewl_Check * cb )

Initialize the members and callbacks of a check.

Parameters:

cb,:

the check to initialize

Returns:: Returns TRUE on success, FALSE on failure.

The internal structures and callbacks of the check are initialized ot default values.

int ewl_check_is_checked ( Ewl_Check * cb )

Determine the check state of the check.

Parameters:

cb,:

the check to examine for it's checked state

Returns:: Returns TRUE if the check is checked, FALSE if not.

Ewl_Widget* ewl_check_new ( void )

Allocate and initialize a new check.

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

Ewl_Check: The Simple Check for a Checkbutton

Detailed Description

Tutorial

Data Structures

Defines

Typedefs

Functions

Define Documentation

Typedef Documentation

Function Documentation