diff --git a/legacy/elementary/src/lib/elm_slideshow.c b/legacy/elementary/src/lib/elm_slideshow.c index a7844160ce..56fd0f994e 100644 --- a/legacy/elementary/src/lib/elm_slideshow.c +++ b/legacy/elementary/src/lib/elm_slideshow.c @@ -1,47 +1,8 @@ #include #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 * diff --git a/legacy/elementary/src/lib/elm_widget_slideshow.h b/legacy/elementary/src/lib/elm_widget_slideshow.h new file mode 100644 index 0000000000..6f96372f55 --- /dev/null +++ b/legacy/elementary/src/lib/elm_widget_slideshow.h @@ -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 "const char *", + * 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