1 #ifndef ELM_WIDGET_DISKSELECTOR_H
2 #define ELM_WIDGET_DISKSELECTOR_H
4 #include "elm_interface_scrollable.h"
10 * @section elm-diskselector-class The Elementary Diskselector Class
12 * Elementary, besides having the @ref Diskselector widget, exposes its
13 * foundation -- the Elementary Diskselector Class -- in order to create other
14 * widgets which are a diskselector with some more logic on top.
18 * @def ELM_DISKSELECTOR_CLASS
20 * Use this macro to cast whichever subclass of
21 * #Elm_Diskselector_Smart_Class into it, so to access its fields.
25 #define ELM_DISKSELECTOR_CLASS(x) ((Elm_Diskselector_Smart_Class *)x)
28 * @def ELM_DISKSELECTOR_DATA
30 * Use this macro to cast whichever subdata of
31 * #Elm_Diskselector_Smart_Data into it, so to access its fields.
35 #define ELM_DISKSELECTOR_DATA(x) ((Elm_Diskselector_Smart_Data *)x)
38 * @def ELM_DISKSELECTOR_SMART_CLASS_VERSION
40 * Current version for Elementary diskselector @b base smart class, a value
41 * which goes to _Elm_Diskselector_Smart_Class::version.
45 #define ELM_DISKSELECTOR_SMART_CLASS_VERSION 1
48 * @def ELM_DISKSELECTOR_SMART_CLASS_INIT
50 * Initializer for a whole #Elm_Diskselector_Smart_Class structure, with
51 * @c NULL values on its specific fields.
53 * @param smart_class_init initializer to use for the "base" field
54 * (#Evas_Smart_Class).
56 * @see EVAS_SMART_CLASS_INIT_NULL
57 * @see EVAS_SMART_CLASS_INIT_NAME_VERSION
58 * @see ELM_DISKSELECTOR_SMART_CLASS_INIT_NULL
59 * @see ELM_DISKSELECTOR_SMART_CLASS_INIT_NAME_VERSION
63 #define ELM_DISKSELECTOR_SMART_CLASS_INIT(smart_class_init) \
64 {smart_class_init, ELM_DISKSELECTOR_SMART_CLASS_VERSION}
67 * @def ELM_DISKSELECTOR_SMART_CLASS_INIT_NULL
69 * Initializer to zero out a whole #Elm_Diskselector_Smart_Class structure.
71 * @see ELM_DISKSELECTOR_SMART_CLASS_INIT_NAME_VERSION
72 * @see ELM_DISKSELECTOR_SMART_CLASS_INIT
76 #define ELM_DISKSELECTOR_SMART_CLASS_INIT_NULL \
77 ELM_DISKSELECTOR_SMART_CLASS_INIT(EVAS_SMART_CLASS_INIT_NULL)
80 * @def ELM_DISKSELECTOR_SMART_CLASS_INIT_NAME_VERSION
82 * Initializer to zero out a whole #Elm_Diskselector_Smart_Class structure and
83 * set its name and version.
85 * This is similar to #ELM_DISKSELECTOR_SMART_CLASS_INIT_NULL, but it will
86 * also set the version field of #Elm_Diskselector_Smart_Class (base field)
87 * to the latest #ELM_DISKSELECTOR_SMART_CLASS_VERSION and name it to the
90 * It will keep a reference to the name field as a <c>"const char *"</c>,
91 * i.e., the name must be available while the structure is
92 * used (hint: static or global variable!) and must not be modified.
94 * @see ELM_DISKSELECTOR_SMART_CLASS_INIT_NULL
95 * @see ELM_DISKSELECTOR_SMART_CLASS_INIT
99 #define ELM_DISKSELECTOR_SMART_CLASS_INIT_NAME_VERSION(name) \
100 ELM_DISKSELECTOR_SMART_CLASS_INIT(ELM_WIDGET_SMART_CLASS_INIT_NAME_VERSION(name))
103 * Elementary diskselector base smart class. This inherits directly from
104 * #Elm_Widget_Smart_Class and is meant to build widgets extending the
105 * behavior of a diskselector.
107 * All of the functions listed on @ref Diskselector namespace will work for
108 * objects deriving from #Elm_Diskselector_Smart_Class.
110 typedef struct _Elm_Diskselector_Smart_Class
112 Elm_Widget_Smart_Class base;
114 int version; /**< Version of this smart class definition */
115 } Elm_Diskselector_Smart_Class;
118 * Base widget smart data extended with diskselector instance data.
120 typedef struct _Elm_Diskselector_Smart_Data Elm_Diskselector_Smart_Data;
121 typedef struct _Elm_Diskselector_Item Elm_Diskselector_Item;
123 struct _Elm_Diskselector_Smart_Data
125 Elm_Widget_Smart_Data base; /* base widget smart data as
126 * first member obligatory, as
127 * we're inheriting from it */
129 Evas_Object *hit_rect;
130 const Elm_Scrollable_Smart_Interface *s_iface;
132 Evas_Object *main_box;
133 Elm_Diskselector_Item *selected_item;
134 Elm_Diskselector_Item *first;
135 Elm_Diskselector_Item *second;
136 Elm_Diskselector_Item *s_last;
137 Elm_Diskselector_Item *last;
140 Eina_List *over_items;
141 Eina_List *under_items;
142 Eina_List *left_blanks;
143 Eina_List *right_blanks;
144 Ecore_Idle_Enterer *idler;
145 Ecore_Idle_Enterer *check_idler;
147 int item_count, len_threshold, len_side,
149 Evas_Coord minw, minh;
153 Eina_Bool display_item_num_by_api : 1;
154 Eina_Bool left_boundary_reached:1;
155 Eina_Bool right_boundary_reached:1;
158 struct _Elm_Diskselector_Item
172 EAPI extern const char ELM_DISKSELECTOR_SMART_NAME[];
173 EAPI const Elm_Diskselector_Smart_Class
174 *elm_diskselector_smart_class_get(void);
176 #define ELM_DISKSELECTOR_DATA_GET(o, sd) \
177 Elm_Diskselector_Smart_Data * sd = evas_object_smart_data_get(o)
179 #define ELM_DISKSELECTOR_DATA_GET_OR_RETURN(o, ptr) \
180 ELM_DISKSELECTOR_DATA_GET(o, ptr); \
183 CRITICAL("No widget data for object %p (%s)", \
184 o, evas_object_type_get(o)); \
188 #define ELM_DISKSELECTOR_DATA_GET_OR_RETURN_VAL(o, ptr, val) \
189 ELM_DISKSELECTOR_DATA_GET(o, ptr); \
192 CRITICAL("No widget data for object %p (%s)", \
193 o, evas_object_type_get(o)); \
197 #define ELM_DISKSELECTOR_CHECK(obj) \
198 if (!obj || !elm_widget_type_check((obj), \
199 ELM_DISKSELECTOR_SMART_NAME, __func__)) \
202 #define ELM_DISKSELECTOR_ITEM_CHECK(it) \
203 ELM_WIDGET_ITEM_CHECK_OR_RETURN((Elm_Widget_Item *)it, ); \
204 ELM_DISKSELECTOR_CHECK(it->base.widget);
206 #define ELM_DISKSELECTOR_ITEM_CHECK_OR_RETURN(it, ...) \
207 ELM_WIDGET_ITEM_CHECK_OR_RETURN((Elm_Widget_Item *)it, __VA_ARGS__); \
208 ELM_DISKSELECTOR_CHECK(it->base.widget) __VA_ARGS__;
210 #define ELM_DISKSELECTOR_ITEM_CHECK_OR_GOTO(it, label) \
211 ELM_WIDGET_ITEM_CHECK_OR_GOTO((Elm_Widget_Item *)it, label); \
212 if (!it->base.widget || !elm_widget_type_check \
213 ((it->base.widget), ELM_DISKSELECTOR_SMART_NAME, __func__)) goto label;