189 lines
4.8 KiB
C
189 lines
4.8 KiB
C
#ifndef ELM_WIDGET_ICON_H
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#define ELM_WIDGET_ICON_H
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#include "elm_widget_image.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-icon-class The Elementary Icon Class
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*
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* This class defines a common interface for @b icon objects having
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* an icon as their basic graphics.
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*/
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/**
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* @def ELM_ICON_CLASS
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*
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* Use this macro to cast whichever subclass of
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* #Elm_Icon_Smart_Class into it, so to access its fields.
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*
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* @ingroup Widget
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*/
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#define ELM_ICON_CLASS(x) ((Elm_Icon_Smart_Class *) x)
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/**
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* @def ELM_ICON_DATA
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*
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* Use this macro to cast whichever subdata of
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* #Elm_Icon_Smart_Data into it, so to access its fields.
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*
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* @ingroup Widget
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*/
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#define ELM_ICON_DATA(x) ((Elm_Icon_Smart_Data *) x)
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/**
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* @def ELM_ICON_SMART_CLASS_VERSION
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*
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* Current version for Elementary icon @b base smart class, a value
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* which goes to _Elm_Icon_Smart_Class::version.
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*
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* @ingroup Widget
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*/
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#define ELM_ICON_SMART_CLASS_VERSION 1
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/**
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* @def ELM_ICON_SMART_CLASS_INIT
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*
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* Initializer for a whole #Elm_Icon_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_ICON_SMART_CLASS_INIT_NULL
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* @see ELM_ICON_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_ICON_SMART_CLASS_INIT(smart_class_init) \
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{smart_class_init, ELM_ICON_SMART_CLASS_VERSION}
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/**
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* @def ELM_ICON_SMART_CLASS_INIT_NULL
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*
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* Initializer to zero out a whole #Elm_Icon_Smart_Class structure.
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*
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* @see ELM_ICON_SMART_CLASS_INIT_NAME_VERSION
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* @see ELM_ICON_SMART_CLASS_INIT
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*
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* @ingroup Widget
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*/
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#define ELM_ICON_SMART_CLASS_INIT_NULL \
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ELM_ICON_SMART_CLASS_INIT(EVAS_SMART_CLASS_INIT_NULL)
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/**
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* @def ELM_ICON_SMART_CLASS_INIT_NAME_VERSION
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*
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* Initializer to zero out a whole #Elm_Icon_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_ICON_SMART_CLASS_INIT_NULL, but it will
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* also set the version field of #Elm_Icon_Smart_Class (base field)
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* to the latest #ELM_ICON_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_ICON_SMART_CLASS_INIT_NULL
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* @see ELM_ICON_SMART_CLASS_INIT
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*
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* @ingroup Widget
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*/
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#define ELM_ICON_SMART_CLASS_INIT_NAME_VERSION(name) \
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ELM_ICON_SMART_CLASS_INIT(ELM_IMAGE_SMART_CLASS_INIT_NAME_VERSION(name))
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/**
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* Elementary icon base smart class. This inherits directly from
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* #Elm_Image_Smart_Class and is meant to build widgets relying on an
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* icon as the building block of its visuals.
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*/
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typedef struct _Elm_Icon_Smart_Class
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{
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Elm_Image_Smart_Class base;
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int version; /**< Version of this smart class definition */
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} Elm_Icon_Smart_Class;
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typedef struct _Elm_Icon_Smart_Data Elm_Icon_Smart_Data;
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struct _Elm_Icon_Smart_Data
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{
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Elm_Image_Smart_Data base;
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const char *stdicon;
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Elm_Icon_Lookup_Order lookup_order;
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#ifdef HAVE_ELEMENTARY_ETHUMB
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struct
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{
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struct
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{
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const char *path;
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const char *key;
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} file, thumb;
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Ecore_Event_Handler *eeh;
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Ethumb_Thumb_Format format;
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Ethumb_Client_Async *request;
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Eina_Bool retry : 1;
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} thumb;
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#endif
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#ifdef ELM_EFREET
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struct
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{
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int requested_size;
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Eina_Bool use : 1;
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} freedesktop;
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#endif
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int in_eval;
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/* WARNING: to be deprecated */
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Eina_List *edje_signals;
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Eina_Bool is_video : 1;
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};
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/**
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* @}
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*/
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EAPI extern const char ELM_ICON_SMART_NAME[];
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EAPI const Elm_Icon_Smart_Class *elm_icon_smart_class_get(void);
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#define ELM_ICON_DATA_GET(o, sd) \
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Elm_Icon_Smart_Data * sd = evas_object_smart_data_get(o)
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#define ELM_ICON_DATA_GET_OR_RETURN(o, ptr) \
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ELM_ICON_DATA_GET(o, ptr); \
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if (!ptr) \
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{ \
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CRITICAL("No widget data for object %p (%s)", \
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o, evas_object_type_get(o)); \
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return; \
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}
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#define ELM_ICON_DATA_GET_OR_RETURN_VAL(o, ptr, val) \
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ELM_ICON_DATA_GET(o, ptr); \
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if (!ptr) \
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{ \
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CRITICAL("No widget data for object %p (%s)", \
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o, evas_object_type_get(o)); \
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return val; \
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}
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#define ELM_ICON_CHECK(obj) \
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if (!obj || !elm_widget_type_check((obj), ELM_ICON_SMART_NAME, __func__)) \
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return
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#endif
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