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1/**
2 * @defgroup Multibuttonentry Multibuttonentry
3 * @ingroup Elementary
4 *
5 * A Multibuttonentry is a widget to allow a user enter text and manage it as a number
6 * of buttons. Each text button is inserted by pressing the "return" key.
7 * If there is no space in the current row, a new button is added to the next row.
8 * When a text button is pressed, it will become focused.
9 * Backspace removes the focus.
10 * When the Multibuttonentry loses focus items longer than one line are shrunk
11 * to one line.
12 *
13 * Typical use case of multibuttonentry is, composing emails/messages to a group
14 * of addresses, each of which is an item that can be clicked for further actions.
15 *
16 * Smart callbacks one can register:
17 * - @c "item,selected" - this is called when an item is selected by api, user
18 * interaction, and etc. this is also called when a user press back space
19 * while cursor is on the first field of entry.
20 * - @c "item,added" - when a new multibuttonentry item is added.
21 * - @c "item,deleted" - when a multibuttonentry item is deleted.
22 * - @c "item,clicked" - this is called when an item is clicked by user
23 * interaction. Both "item,selected" and "item,clicked" are needed.
24 * - @c "clicked" - when multibuttonentry is clicked.
25 * - @c "focused" - when multibuttonentry is focused.
26 * - @c "unfocused" - when multibuttonentry is unfocused.
27 * - @c "expanded" - when multibuttonentry is expanded.
28 * - @c "contracted" - when multibuttonentry is contracted.
29 * - @c "expand,state,changed" - when shrink mode state of multibuttonentry is changed.
30 *
31 * Default text parts of the multibuttonentry widget that you can use for are:
32 * @li "default" - A label of the multibuttonentry
33 *
34 * Default text parts of the multibuttonentry items that you can use for are:
35 * @li "default" - A label of the multibuttonentry item
36 *
37 * Supported elm_object common APIs.
38 * @li @ref elm_object_signal_emit
39 * @li @ref elm_object_part_text_set
40 * @li @ref elm_object_part_text_get
41 *
42 * Supported elm_object_item common APIs.
43 * @li @ref elm_object_item_part_text_set
44 * @li @ref elm_object_item_part_text_get
45 *
46 */
47
48/**
49 * @addtogroup Multibuttonentry
50 * @{
51 */
52
53/**
54 * @brief Callback to be invoked when an item is added to the multibuttonentry.
55 *
56 * @param obj The parent object
57 * @param item_label The label corresponding to the added item.
58 * @param item_data data specific to this item.
59 * @param data data specific to the multibuttonentry.
60 *
61 * @return EINA_TRUE
62 * EINA_FALSE otherwise.
63 *
64 * @ingroup Multibuttonentry
65 */
66typedef Eina_Bool (*Elm_Multibuttonentry_Item_Filter_Cb)(Evas_Object *obj, const char *item_label, void *item_data, void *data);
67
68/**
69 * @brief Add a new multibuttonentry to the parent
70 *
71 * @param parent The parent object
72 * @return The new object or NULL if it cannot be created
73 *
74 *
75 * @ingroup Multibuttonentry
76 */
77EAPI Evas_Object *elm_multibuttonentry_add(Evas_Object *parent);
78
79
80/**
81 * Get the entry of the multibuttonentry object
82 *
83 * @param obj The multibuttonentry object
84 * @return The entry object, or NULL if none
85 *
86 * @ingroup Multibuttonentry
87 */
88EAPI Evas_Object *elm_multibuttonentry_entry_get(const Evas_Object *obj);
89
90/**
91 * Get the value of expanded state.
92 * In expanded state, the complete entry will be displayed.
93 * Otherwise, only single line of the entry will be displayed.
94 *
95 * @param obj The multibuttonentry object
96 * @return EINA_TRUE if the widget is in expanded state. EINA_FALSE if not.
97 *
98 * @ingroup Multibuttonentry
99 */
100EAPI Eina_Bool elm_multibuttonentry_expanded_get(const Evas_Object *obj);
101
102/**
103 * Set/Unset the multibuttonentry to expanded state.
104 * In expanded state, the complete entry will be displayed.
105 * Otherwise, only single line of the entry will be displayed.
106 *
107 * @param obj The multibuttonentry object
108 * @param expanded the value of expanded state.
109 * Set this to EINA_TRUE for expanded state.
110 * Set this to EINA_FALSE for single line state.
111 *
112 * @ingroup Multibuttonentry
113 */
114EAPI void elm_multibuttonentry_expanded_set(Evas_Object *obj, Eina_Bool expanded);
115
116/**
117 * Prepend a new item to the multibuttonentry
118 *
119 * @param obj The multibuttonentry object
120 * @param label The label of new item
121 * @param func The callback function to be invoked when this item is pressed.
122 * @param data The pointer to the data to be attached
123 * @return A handle to the item added or NULL if not possible
124 *
125 * @see Use elm_object_item_del() to delete the item.
126 *
127 * @ingroup Multibuttonentry
128 */
129EAPI Elm_Object_Item *elm_multibuttonentry_item_prepend(Evas_Object *obj, const char *label, Evas_Smart_Cb func, void *data);
130
131/**
132 * Append a new item to the multibuttonentry
133 *
134 * @param obj The multibuttonentry object
135 * @param label The label of new item
136 * @param func The callback function to be invoked when this item is pressed.
137 * @param data The pointer to the data to be attached
138 * @return A handle to the item added or NULL if not possible
139 *
140 * @see Use elm_object_item_del() to delete the item.
141 *
142 * @ingroup Multibuttonentry
143 */
144EAPI Elm_Object_Item *elm_multibuttonentry_item_append(Evas_Object *obj, const char *label, Evas_Smart_Cb func, void *data);
145
146/**
147 * Add a new item to the multibuttonentry before the indicated object
148 *
149 * reference.
150 * @param obj The multibuttonentry object
151 * @param before The item before which to add it
152 * @param label The label of new item
153 * @param func The callback function to be invoked when this item is pressed.
154 * @param data The pointer to the data to be attached
155 * @return A handle to the item added or NULL if not possible
156 *
157 * @see Use elm_object_item_del() to delete the item.
158 *
159 * @ingroup Multibuttonentry
160 */
161EAPI Elm_Object_Item *elm_multibuttonentry_item_insert_before(Evas_Object *obj, Elm_Object_Item *before, const char *label, Evas_Smart_Cb func, void *data);
162
163/**
164 * Add a new item to the multibuttonentry after the indicated object
165 *
166 * @param obj The multibuttonentry object
167 * @param after The item after which to add it
168 * @param label The label of new item
169 * @param func The callback function to be invoked when this item is pressed.
170 * @param data The pointer to the data to be attached
171 * @return A handle to the item added or NULL if not possible
172 *
173 * @see Use elm_object_item_del() to delete the item.
174 *
175 * @ingroup Multibuttonentry
176 */
177EAPI Elm_Object_Item *elm_multibuttonentry_item_insert_after(Evas_Object *obj, Elm_Object_Item *after, const char *label, Evas_Smart_Cb func, void *data);
178
179/**
180 * Get a list of items in the multibuttonentry
181 *
182 * @param obj The multibuttonentry object
183 * @return The list of items, or NULL if none
184 *
185 * @ingroup Multibuttonentry
186 */
187EAPI const Eina_List *elm_multibuttonentry_items_get(const Evas_Object *obj);
188
189/**
190 * Get the first item in the multibuttonentry
191 *
192 * @param obj The multibuttonentry object
193 * @return The first item, or NULL if none
194 *
195 * @ingroup Multibuttonentry
196 */
197EAPI Elm_Object_Item *elm_multibuttonentry_first_item_get(const Evas_Object *obj);
198
199/**
200 * Get the last item in the multibuttonentry
201 *
202 * @param obj The multibuttonentry object
203 * @return The last item, or NULL if none
204 *
205 * @ingroup Multibuttonentry
206 */
207EAPI Elm_Object_Item *elm_multibuttonentry_last_item_get(const Evas_Object *obj);
208
209/**
210 * Get the selected item in the multibuttonentry
211 *
212 * @param obj The multibuttonentry object
213 * @return The selected item, or NULL if none
214 *
215 * @ingroup Multibuttonentry
216 */
217EAPI Elm_Object_Item *elm_multibuttonentry_selected_item_get(const Evas_Object *obj);
218
219/**
220 * Set the selected state of an item
221 *
222 * @param it The item
223 * @param selected if it's EINA_TRUE, select the item otherwise, unselect the item
224 *
225 * @ingroup Multibuttonentry
226 */
227EAPI void elm_multibuttonentry_item_selected_set(Elm_Object_Item *it, Eina_Bool selected);
228
229
230/**
231 * Get the selected state of an item
232 *
233 * @param it The item
234 * @return EINA_TRUE if the item is selected, EINA_FALSE otherwise.
235 *
236 * @ingroup Multibuttonentry
237 */
238EAPI Eina_Bool elm_multibuttonentry_item_selected_get(const Elm_Object_Item *it);
239
240/**
241 * Remove all items in the multibuttonentry.
242 *
243 * @param obj The multibuttonentry object
244 *
245 * @ingroup Multibuttonentry
246 */
247EAPI void elm_multibuttonentry_clear(Evas_Object *obj);
248
249/**
250 * Get the previous item in the multibuttonentry
251 *
252 * @param it The item
253 * @return The item before the item @p it
254 *
255 * @ingroup Multibuttonentry
256 */
257EAPI Elm_Object_Item *elm_multibuttonentry_item_prev_get(const Elm_Object_Item *it);
258
259/**
260 * Get the next item in the multibuttonentry
261 *
262 * @param it The item
263 * @return The item after the item @p it
264 *
265 * @ingroup Multibuttonentry
266 */
267EAPI Elm_Object_Item *elm_multibuttonentry_item_next_get(const Elm_Object_Item *it);
268
269/**
270 * Append an item filter function for text inserted in the Multibuttonentry
271 *
272 * Append the given callback to the list. This functions will be called
273 * whenever any text is inserted into the Multibuttonentry, with the text to be inserted
274 * as a parameter. The callback function is free to alter the text in any way
275 * it wants, but it must remember to free the given pointer and update it.
276 * If the new text is to be discarded, the function can free it and set it text
277 * parameter to NULL. This will also prevent any following filters from being
278 * called.
279 *
280 * @param obj The multibuttonentry object
281 * @param func The function to use as item filter
282 * @param data User data to pass to @p func
283 *
284 * @ingroup Multibuttonentry
285 */
286EAPI void elm_multibuttonentry_item_filter_append(Evas_Object *obj, Elm_Multibuttonentry_Item_Filter_Cb func, void *data);
287
288/**
289 * Prepend a filter function for text inserted in the Multibuttonentry
290 *
291 * Prepend the given callback to the list. See elm_multibuttonentry_item_filter_append()
292 * for more information
293 *
294 * @param obj The multibuttonentry object
295 * @param func The function to use as text filter
296 * @param data User data to pass to @p func
297 *
298 * @ingroup Multibuttonentry
299 */
300EAPI void elm_multibuttonentry_item_filter_prepend(Evas_Object *obj, Elm_Multibuttonentry_Item_Filter_Cb func, void *data);
301
302/**
303 * Remove a filter from the list
304 *
305 * Removes the given callback from the filter list. See elm_multibuttonentry_item_filter_append()
306 * for more information.
307 *
308 * @param obj The multibuttonentry object
309 * @param func The filter function to remove
310 * @param data The user data passed when adding the function
311 *
312 * @ingroup Multibuttonentry
313 */
314EAPI void elm_multibuttonentry_item_filter_remove(Evas_Object *obj, Elm_Multibuttonentry_Item_Filter_Cb func, void *data);
315
316/**
317 * @}
318 */