Ewl_Overlay: A Container for Displaying on a canvas

---

Detailed Description

Defines the Ewl_Overlay class to provide EWL with the ability to work with an evas.

Remarks:

Inherits from Ewl_Container.

Data Structures
struct	Ewl_Overlay
	The class inheriting from Ewl_Container that acts as a top level widget for interacting with the evas. More...
Defines
#define	EWL_OVERLAY(widget)   ((Ewl_Overlay *) widget)
	Typecast a pointer to an Ewl_Overlay pointer.
#define	EWL_OVERLAY_IS(w)   (ewl_widget_type_is(EWL_WIDGET(w), EWL_OVERLAY_TYPE))
#define	EWL_OVERLAY_TYPE   "overlay"
Typedefs
typedef struct Ewl_Overlay	Ewl_Overlay
Functions
void	ewl_overlay_cb_child_resize (Ewl_Container *c, Ewl_Widget *w, int size, Ewl_Orientation o)
void	ewl_overlay_cb_child_show (Ewl_Container *emb, Ewl_Widget *child)
void	ewl_overlay_cb_configure (Ewl_Widget *w, void *ev_data, void *user_data)
int	ewl_overlay_init (Ewl_Overlay *win)
	initialize a overlay to default values and callbacks
Ewl_Widget *	ewl_overlay_new (void)
	Allocate and initialize a new overlay container.

---

Define Documentation

#define EWL_OVERLAY

(

widget

)

((Ewl_Overlay *) widget)

Typecast a pointer to an Ewl_Overlay pointer.

Referenced by ewl_overlay_cb_child_resize().

#define EWL_OVERLAY_IS

(

w

)

(ewl_widget_type_is(EWL_WIDGET(w), EWL_OVERLAY_TYPE))

Returns TRUE if the widget is an Ewl_Overlay, FALSE otherwise

#define EWL_OVERLAY_TYPE   "overlay"

Widget Theme Keys:

/overlay/file

Widget Theme Keys:

/overlay/group

The type name for the Ewl_Overlay widget

Referenced by ewl_overlay_cb_child_resize(), ewl_overlay_cb_child_show(), ewl_overlay_cb_configure(), ewl_overlay_init(), ewl_scrollpane_cb_overlay_child_resize(), and ewl_scrollpane_cb_overlay_child_show().

---

Typedef Documentation

typedef struct Ewl_Overlay Ewl_Overlay

The overlay structure is mostly a container for holding widgets and a wrapper evas smart object.

---

Function Documentation

void ewl_overlay_cb_child_resize	(	Ewl_Container *	c,
		Ewl_Widget *	w,
		int	size,
		Ewl_Orientation	o
	)

References CURRENT_X, CURRENT_Y, DCHECK_PARAM_PTR, DCHECK_TYPE, DENTER_FUNCTION, DLEAVE_FUNCTION, DLEVEL_STABLE, EWL_CONTAINER, EWL_OBJECT, ewl_object_current_h_get(), ewl_object_current_w_get(), ewl_object_current_x_get(), ewl_object_current_y_get(), ewl_object_preferred_h_get(), ewl_object_preferred_inner_size_set(), ewl_object_preferred_w_get(), ewl_object_size_request(), ewl_object_x_request(), ewl_object_y_request(), EWL_OVERLAY, EWL_OVERLAY_TYPE, and EWL_WIDGET_TYPE.

Referenced by ewl_overlay_init(), and ewl_scrollpane_cb_overlay_child_resize().

void ewl_overlay_cb_child_show	(	Ewl_Container *	emb,
		Ewl_Widget *	child
	)

References CURRENT_X, CURRENT_Y, DCHECK_PARAM_PTR, DCHECK_TYPE, DENTER_FUNCTION, DLEAVE_FUNCTION, DLEVEL_STABLE, EWL_OBJECT, ewl_object_current_x_get(), ewl_object_current_y_get(), ewl_object_preferred_h_get(), ewl_object_preferred_inner_h_set(), ewl_object_preferred_inner_w_set(), ewl_object_preferred_w_get(), EWL_OVERLAY_TYPE, EWL_WIDGET_TYPE, PREFERRED_H, and PREFERRED_W.

Referenced by ewl_overlay_init(), and ewl_scrollpane_cb_overlay_child_show().

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

int ewl_overlay_init

(

Ewl_Overlay *

w

)

initialize a overlay to default values and callbacks

Parameters:

w,:

the overlay to be initialized to default values and callbacks

Returns:

Returns TRUE or FALSE depending on if initialization succeeds. Sets the values and callbacks of a overlay w to their defaults.

References DCHECK_PARAM_PTR_RET, DENTER_FUNCTION, DLEVEL_STABLE, DRETURN_INT, EWL_CALLBACK_CONFIGURE, ewl_callback_prepend(), EWL_CONTAINER, ewl_container_init(), ewl_container_resize_notify_set(), ewl_container_show_notify_set(), EWL_FLAG_FILL_NONE, EWL_OBJECT, ewl_object_fill_policy_set(), ewl_overlay_cb_child_resize(), ewl_overlay_cb_child_show(), ewl_overlay_cb_configure(), EWL_OVERLAY_TYPE, EWL_WIDGET, ewl_widget_appearance_set(), and ewl_widget_inherit().

Referenced by ewl_overlay_new().

Ewl_Widget* ewl_overlay_new

(

void

)

Allocate and initialize a new overlay container.

Returns:

Returns a new overlay container on success, or NULL on failure.

References DENTER_FUNCTION, DLEVEL_STABLE, DRETURN_PTR, ewl_overlay_init(), EWL_WIDGET, ewl_widget_destroy(), and NEW.

Referenced by ewl_scrollpane_init().