2012-05-03 15:41:21 -07:00
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#ifndef ELM_WIDGET_CONTAINER_H
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#define ELM_WIDGET_CONTAINER_H
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/**
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* @addtogroup Widget
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* @{
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*
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* @section elm-container-class The Elementary Container Class
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*
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2012-06-05 15:41:21 -07:00
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* @image html container_inheritance_tree.png
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* @image latex container_inheritance_tree.eps
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*
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2012-05-03 15:41:21 -07:00
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* This class defines a common interface for objects acting like
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* containers, i.e. objects parenting others and displaying their
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* childs "inside" of them somehow.
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*
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* The container must define "parts" (or spots) into which child
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* objects will be placed, inside of it. This is a way of handling
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* more the one content object, by naming content locations
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* properly. This is the role of the @c name argument of the virtual
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* functions in the class.
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*
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* The following object functions are meant to be used with all
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* container objects and derived ones:
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*
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* - elm_object_part_content_set()
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* - elm_object_part_content_get()
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* - elm_object_part_content_unset()
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*/
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/**
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* @def ELM_CONTAINER_CLASS
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*
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* Use this macro to cast whichever subclass of
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2012-05-31 10:55:07 -07:00
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* #Elm_Container_Smart_Class into it, so to access its fields.
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2012-05-03 15:41:21 -07:00
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*
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2012-05-25 12:53:51 -07:00
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* @ingroup Widget
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2012-05-03 15:41:21 -07:00
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*/
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#define ELM_CONTAINER_CLASS(x) ((Elm_Container_Smart_Class *) x)
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/**
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* @def ELM_CONTAINER_SMART_CLASS_VERSION
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*
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* Current version for Elementary container @b base smart class, a value
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* which goes to _Elm_Container_Smart_Class::version.
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*
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* @ingroup Widget
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*/
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#define ELM_CONTAINER_SMART_CLASS_VERSION 1
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/**
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* @def ELM_CONTAINER_SMART_CLASS_INIT
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*
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* Initializer for a whole #Elm_Container_Smart_Class structure, with
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* @c NULL values on its specific fields.
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*
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* @param smart_class_init initializer to use for the "base" field
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* (#Evas_Smart_Class).
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*
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* @see EVAS_SMART_CLASS_INIT_NULL
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* @see EVAS_SMART_CLASS_INIT_NAME_VERSION
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* @see ELM_CONTAINER_SMART_CLASS_INIT_NULL
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* @see ELM_CONTAINER_SMART_CLASS_INIT_NAME_VERSION
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*
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* @ingroup Widget
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*/
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#define ELM_CONTAINER_SMART_CLASS_INIT(smart_class_init) \
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{smart_class_init, ELM_CONTAINER_SMART_CLASS_VERSION, NULL, NULL, NULL}
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/**
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* @def ELM_CONTAINER_SMART_CLASS_INIT_NULL
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*
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* Initializer to zero out a whole #Elm_Container_Smart_Class structure.
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*
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* @see ELM_CONTAINER_SMART_CLASS_INIT_NAME_VERSION
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* @see ELM_CONTAINER_SMART_CLASS_INIT
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*
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* @ingroup Widget
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*/
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#define ELM_CONTAINER_SMART_CLASS_INIT_NULL \
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ELM_CONTAINER_SMART_CLASS_INIT(EVAS_SMART_CLASS_INIT_NULL)
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/**
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* @def ELM_CONTAINER_SMART_CLASS_INIT_NAME_VERSION
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*
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* Initializer to zero out a whole #Elm_Container_Smart_Class structure and
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* set its name and version.
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*
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* This is similar to #ELM_CONTAINER_SMART_CLASS_INIT_NULL, but it will
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* also set the version field of #Elm_Container_Smart_Class (base field)
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* to the latest #ELM_CONTAINER_SMART_CLASS_VERSION and name it to the
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* specific value.
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*
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* It will keep a reference to the name field as a <c>"const char *"</c>,
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* i.e., the name must be available while the structure is
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* used (hint: static or global variable!) and must not be modified.
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*
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* @see ELM_CONTAINER_SMART_CLASS_INIT_NULL
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* @see ELM_CONTAINER_SMART_CLASS_INIT
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*
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* @ingroup Widget
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*/
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#define ELM_CONTAINER_SMART_CLASS_INIT_NAME_VERSION(name) \
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ELM_CONTAINER_SMART_CLASS_INIT(ELM_WIDGET_SMART_CLASS_INIT_NAME_VERSION(name))
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/**
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* Elementary container base smart class. This inherits directly from
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2012-05-25 12:53:51 -07:00
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* #Elm_Widget_Smart_Class and is meant to build widgets exposing
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* "parts" to hold child elements at.
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2012-05-03 15:41:21 -07:00
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*/
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typedef struct _Elm_Container_Smart_Class
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{
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Elm_Widget_Smart_Class base; /**< Base Elementary widget class struct, since we're inheriting from it */
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int version; /**< Version of this smart class definition */
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Eina_Bool (*content_set)(Evas_Object *obj,
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const char *part,
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Evas_Object *content); /* 'Virtual' function on setting content on the object, at the given @a part part */
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Evas_Object *(*content_get)(const Evas_Object * obj,
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const char *part); /* 'Virtual' function on retrieving content from the object, at the given @a part part */
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Evas_Object *(*content_unset)(Evas_Object * obj,
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const char *part); /* 'Virtual' function on unsetting content from the object, at the given @a part part. Meant to return the content's pointer. */
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} Elm_Container_Smart_Class;
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2012-07-31 15:05:22 -07:00
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typedef struct _Elm_Container_Smart_Data Elm_Container_Smart_Data;
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struct _Elm_Container_Smart_Data
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{
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Elm_Widget_Smart_Data base;
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};
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2012-05-03 15:41:21 -07:00
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/**
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* @}
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*/
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EAPI const Elm_Container_Smart_Class *elm_container_smart_class_get(void);
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#endif
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