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[elm] Slideshow now inheritable. 

SVN revision: 74681
This commit is contained in:
Gustavo Lima Chaves 2012-07-31 22:06:00 +00:00
parent ff6ae0d0bf
commit 1335c99281
2 changed files with 224 additions and 79 deletions
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102
legacy/elementary/src/lib/elm_slideshow.c
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@ -1,47 +1,8 @@
#include <Elementary.h>
#include "elm_priv.h"
#include "elm_widget_layout.h"
#include "elm_widget_slideshow.h"
static const char SLIDESHOW_SMART_NAME[] = "elm_slideshow";
typedef struct _Elm_Slideshow_Smart_Data Elm_Slideshow_Smart_Data;
typedef struct _Elm_Slideshow_Item Elm_Slideshow_Item;
struct _Elm_Slideshow_Item
{
ELM_WIDGET_ITEM;
Eina_List *l, *l_built;
const Elm_Slideshow_Item_Class *itc;
};
struct _Elm_Slideshow_Smart_Data
{
Elm_Layout_Smart_Data base;
// list of Elm_Slideshow_Item*
Eina_List *items;
Eina_List *items_built;
Elm_Slideshow_Item *current;
Elm_Slideshow_Item *previous;
Eina_List *transitions;
const char *transition;
int count_item_pre_before;
int count_item_pre_after;
Ecore_Timer *timer;
double timeout;
Eina_Bool loop : 1;
struct
{
const char *current;
Eina_List *list; //list of const char *
} layout;
};
EAPI const char ELM_SLIDESHOW_SMART_NAME[] = "elm_slideshow";
static const char SIG_CHANGED[] = "changed";
static const char SIG_TRANSITION_END[] = "transition,end";
@ -52,43 +13,8 @@ static const Evas_Smart_Cb_Description _smart_callbacks[] = {
{NULL, NULL}
};
#define ELM_SLIDESHOW_DATA_GET(o, sd) \
Elm_Slideshow_Smart_Data * sd = evas_object_smart_data_get(o)
#define ELM_SLIDESHOW_DATA_GET_OR_RETURN(o, ptr) \
ELM_SLIDESHOW_DATA_GET(o, ptr); \
if (!ptr) \
{ \
CRITICAL("No widget data for object %p (%s)", \
o, evas_object_type_get(o)); \
return; \
}
#define ELM_SLIDESHOW_DATA_GET_OR_RETURN_VAL(o, ptr, val) \
ELM_SLIDESHOW_DATA_GET(o, ptr); \
if (!ptr) \
{ \
CRITICAL("No widget data for object %p (%s)", \
o, evas_object_type_get(o)); \
return val; \
}
#define ELM_SLIDESHOW_CHECK(obj) \
if (!obj || !elm_widget_type_check((obj), SLIDESHOW_SMART_NAME, __func__)) \
return
#define ELM_SLIDESHOW_ITEM_CHECK(it) \
ELM_WIDGET_ITEM_CHECK_OR_RETURN((Elm_Widget_Item *)it, ); \
ELM_SLIDESHOW_CHECK(it->base.widget);
#define ELM_SLIDESHOW_ITEM_CHECK_OR_RETURN(it, ...) \
ELM_WIDGET_ITEM_CHECK_OR_RETURN((Elm_Widget_Item *)it, __VA_ARGS__); \
ELM_SLIDESHOW_CHECK(it->base.widget) __VA_ARGS__;
/* Inheriting from elm_layout. Besides, we need no more than what is
* there */
EVAS_SMART_SUBCLASS_NEW
(SLIDESHOW_SMART_NAME, _elm_slideshow, Elm_Layout_Smart_Class,
(ELM_SLIDESHOW_SMART_NAME, _elm_slideshow, Elm_Slideshow_Smart_Class,
Elm_Layout_Smart_Class, elm_layout_smart_class_get, _smart_callbacks);
static Eina_Bool
@ -429,7 +355,7 @@ _elm_slideshow_smart_del(Evas_Object *obj)
}
static void
_elm_slideshow_smart_set_user(Elm_Layout_Smart_Class *sc)
_elm_slideshow_smart_set_user(Elm_Slideshow_Smart_Class *sc)
{
ELM_WIDGET_CLASS(sc)->base.add = _elm_slideshow_smart_add;
ELM_WIDGET_CLASS(sc)->base.del = _elm_slideshow_smart_del;
@ -440,7 +366,25 @@ _elm_slideshow_smart_set_user(Elm_Layout_Smart_Class *sc)
ELM_WIDGET_CLASS(sc)->focus_next = NULL;
ELM_WIDGET_CLASS(sc)->focus_direction = NULL;
sc->sizing_eval = _elm_slideshow_smart_sizing_eval;
ELM_LAYOUT_CLASS(sc)->sizing_eval = _elm_slideshow_smart_sizing_eval;
}
EAPI const Elm_Slideshow_Smart_Class *
elm_slideshow_smart_class_get(void)
{
static Elm_Slideshow_Smart_Class _sc =
ELM_SLIDESHOW_SMART_CLASS_INIT_NAME_VERSION(ELM_SLIDESHOW_SMART_NAME);
static const Elm_Slideshow_Smart_Class *class = NULL;
Evas_Smart_Class *esc = (Evas_Smart_Class *)&_sc;
if (class)
return class;
_elm_slideshow_smart_set(&_sc);
esc->callbacks = _smart_callbacks;
class = &_sc;
return class;
}
EAPI Evas_Object *

201
legacy/elementary/src/lib/elm_widget_slideshow.h Normal file
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@ -0,0 +1,201 @@
#ifndef ELM_WIDGET_SLIDESHOW_H
#define ELM_WIDGET_SLIDESHOW_H
#include "elm_widget_layout.h"
/**
* @addtogroup Widget
* @{
*
* @section elm-slideshow-class The Elementary Slideshow Class
*
* Elementary, besides having the @ref Slideshow widget, exposes its
* foundation -- the Elementary Slideshow Class -- in order to create other
* widgets which are a slideshow with some more logic on top.
*/
/**
* @def ELM_SLIDESHOW_CLASS
*
* Use this macro to cast whichever subclass of
* #Elm_Slideshow_Smart_Class into it, so to access its fields.
*
* @ingroup Widget
*/
#define ELM_SLIDESHOW_CLASS(x) ((Elm_Slideshow_Smart_Class *)x)
/**
* @def ELM_SLIDESHOW_DATA
*
* Use this macro to cast whichever subdata of
* #Elm_Slideshow_Smart_Data into it, so to access its fields.
*
* @ingroup Widget
*/
#define ELM_SLIDESHOW_DATA(x) ((Elm_Slideshow_Smart_Data *)x)
/**
* @def ELM_SLIDESHOW_SMART_CLASS_VERSION
*
* Current version for Elementary slideshow @b base smart class, a value
* which goes to _Elm_Slideshow_Smart_Class::version.
*
* @ingroup Widget
*/
#define ELM_SLIDESHOW_SMART_CLASS_VERSION 1
/**
* @def ELM_SLIDESHOW_SMART_CLASS_INIT
*
* Initializer for a whole #Elm_Slideshow_Smart_Class structure, with
* @c NULL values on its specific fields.
*
* @param smart_class_init initializer to use for the "base" field
* (#Evas_Smart_Class).
*
* @see EVAS_SMART_CLASS_INIT_NULL
* @see EVAS_SMART_CLASS_INIT_NAME_VERSION
* @see ELM_SLIDESHOW_SMART_CLASS_INIT_NULL
* @see ELM_SLIDESHOW_SMART_CLASS_INIT_NAME_VERSION
*
* @ingroup Widget
*/
#define ELM_SLIDESHOW_SMART_CLASS_INIT(smart_class_init) \
{smart_class_init, ELM_SLIDESHOW_SMART_CLASS_VERSION}
/**
* @def ELM_SLIDESHOW_SMART_CLASS_INIT_NULL
*
* Initializer to zero out a whole #Elm_Slideshow_Smart_Class structure.
*
* @see ELM_SLIDESHOW_SMART_CLASS_INIT_NAME_VERSION
* @see ELM_SLIDESHOW_SMART_CLASS_INIT
*
* @ingroup Widget
*/
#define ELM_SLIDESHOW_SMART_CLASS_INIT_NULL \
ELM_SLIDESHOW_SMART_CLASS_INIT(EVAS_SMART_CLASS_INIT_NULL)
/**
* @def ELM_SLIDESHOW_SMART_CLASS_INIT_NAME_VERSION
*
* Initializer to zero out a whole #Elm_Slideshow_Smart_Class structure and
* set its name and version.
*
* This is similar to #ELM_SLIDESHOW_SMART_CLASS_INIT_NULL, but it will
* also set the version field of #Elm_Slideshow_Smart_Class (base field)
* to the latest #ELM_SLIDESHOW_SMART_CLASS_VERSION and name it to the
* specific value.
*
* It will keep a reference to the name field as a <c>"const char *"</c>,
* i.e., the name must be available while the structure is
* used (hint: static or global variable!) and must not be modified.
*
* @see ELM_SLIDESHOW_SMART_CLASS_INIT_NULL
* @see ELM_SLIDESHOW_SMART_CLASS_INIT
*
* @ingroup Widget
*/
#define ELM_SLIDESHOW_SMART_CLASS_INIT_NAME_VERSION(name) \
ELM_SLIDESHOW_SMART_CLASS_INIT \
(ELM_LAYOUT_SMART_CLASS_INIT_NAME_VERSION(name))
/**
* Elementary slideshow base smart class. This inherits directly from
* #Elm_Layout_Smart_Class and is meant to build widgets extending the
* behavior of a slideshow.
*
* All of the functions listed on @ref Slideshow namespace will work for
* objects deriving from #Elm_Slideshow_Smart_Class.
*/
typedef struct _Elm_Slideshow_Smart_Class
{
Elm_Layout_Smart_Class base;
int version; /**< Version of this smart class definition */
} Elm_Slideshow_Smart_Class;
/**
* Base layout smart data extended with slideshow instance data.
*/
typedef struct _Elm_Slideshow_Smart_Data Elm_Slideshow_Smart_Data;
typedef struct _Elm_Slideshow_Item Elm_Slideshow_Item;
struct _Elm_Slideshow_Item
{
ELM_WIDGET_ITEM;
Eina_List *l, *l_built;
const Elm_Slideshow_Item_Class *itc;
};
struct _Elm_Slideshow_Smart_Data
{
Elm_Layout_Smart_Data base;
// list of Elm_Slideshow_Item*
Eina_List *items;
Eina_List *items_built;
Elm_Slideshow_Item *current;
Elm_Slideshow_Item *previous;
Eina_List *transitions;
const char *transition;
int count_item_pre_before;
int count_item_pre_after;
Ecore_Timer *timer;
double timeout;
Eina_Bool loop : 1;
struct
{
const char *current;
Eina_List *list; //list of const char *
} layout;
};
/**
* @}
*/
EAPI extern const char ELM_SLIDESHOW_SMART_NAME[];
EAPI const Elm_Slideshow_Smart_Class *elm_slideshow_smart_class_get(void);
#define ELM_SLIDESHOW_DATA_GET(o, sd) \
Elm_Slideshow_Smart_Data * sd = evas_object_smart_data_get(o)
#define ELM_SLIDESHOW_DATA_GET_OR_RETURN(o, ptr) \
ELM_SLIDESHOW_DATA_GET(o, ptr); \
if (!ptr) \
{ \
CRITICAL("No widget data for object %p (%s)", \
o, evas_object_type_get(o)); \
return; \
}
#define ELM_SLIDESHOW_DATA_GET_OR_RETURN_VAL(o, ptr, val) \
ELM_SLIDESHOW_DATA_GET(o, ptr); \
if (!ptr) \
{ \
CRITICAL("No widget data for object %p (%s)", \
o, evas_object_type_get(o)); \
return val; \
}
#define ELM_SLIDESHOW_CHECK(obj) \
if (!obj || !elm_widget_type_check \
((obj), ELM_SLIDESHOW_SMART_NAME, __func__)) \
return
#define ELM_SLIDESHOW_ITEM_CHECK(it) \
ELM_WIDGET_ITEM_CHECK_OR_RETURN((Elm_Widget_Item *)it, ); \
ELM_SLIDESHOW_CHECK(it->base.widget);
#define ELM_SLIDESHOW_ITEM_CHECK_OR_RETURN(it, ...) \
ELM_WIDGET_ITEM_CHECK_OR_RETURN((Elm_Widget_Item *)it, __VA_ARGS__); \
ELM_SLIDESHOW_CHECK(it->base.widget) __VA_ARGS__;
#endif