Tizen设备表情符号选择器输入小部件代码

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这个代码展示了如何创建一个表情符号选择器输入小部件。 首先定义回调方法。 然后,有_insert_emoticon_cb保存一个网格的主要逻辑——创建一个inwin可用的表情符号。 这个测试的emoticon_test方法创建基本的UI。

1. //gengrid item class methods
   
2. static char *_emoticon_label_get(void *data, Evas_Object *obj, const char *part) {
   
3.         return strdup(data);
   
4. }
   
5. 
   
6. static Evas_Object *_emoticon_content_get(void *data, Evas_Object *obj, const char *part) {
   
7.         if (strcmp(part, "elm.swallow.icon"))
   
8.                 return NULL;
   
9.         Evas_Object *o = elm_layout_add(obj);
   
10.         if (!elm_layout_theme_set(o, "entry/emoticon", data, "default")) {
    
11. 
    
12.                 return NULL;
    
13.         }
    
14.         return o;
    
15. }
    
16. 
    
17. static void _emoticon_del(void *data, Evas_Object *obj) {
    
18.         free(data);
    
19. }
    
20. 
    
21. //called when user chooses emoticon
    
22. static void _emoticon_selected_cb(void *data, Evas_Object *obj, void *event) {
    
23.         appdata_s *ad = data;
    
24.         Elm_Object_Item *gg_it = event;
    
25.         char *emoticon = elm_object_item_data_get(gg_it);
    
26.         char buf[512];
    
27.         snprintf(buf, sizeof(buf), "<item size=64x64 vsize=full href=emoticon/%s></item>", emoticon);
    
28.         elm_entry_entry_insert(ad->entry, buf);
    
29.         elm_object_focus_set(ad->entry, EINA_TRUE);
    
30.         evas_object_del(ad->inwin);
    
31. 
    
32. }
    
33. 
    
34. //create grid with available emoticons
    
35. static Evas_Object *create_emoticon_grid(appdata_s *ad) {
    
36.         Elm_Gengrid_Item_Class *gic;
    
37.         gic = elm_gengrid_item_class_new();
    
38.         gic->item_style = "default";
    
39.         gic->func.text_get = _emoticon_label_get;
    
40.         gic->func.content_get = _emoticon_content_get;
    
41.         gic->func.del = _emoticon_del;
    
42.         
    
43.         char* theme = elm_theme_list_item_path_get("default", NULL);
    
44.         if (!theme)
    
45.                 return NULL;
    
46.         
    
47.         Eina_List *emos = edje_file_collection_list(theme);
    
48.         free(theme);
    
49.         if (!emos)
    
50.                 return NULL;
    
51. 
    
52.         Evas_Object *grid = elm_gengrid_add(ad->win);
    
53.         elm_gengrid_item_size_set(grid, 64, 80);
    
54.         evas_object_size_hint_weight_set(grid, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
    
55.         evas_object_size_hint_align_set(grid, EVAS_HINT_FILL, EVAS_HINT_FILL);
    
56. 
    
57.         Eina_List *item;
    
58.         char* emoticon;
    
59.         EINA_LIST_FOREACH(emos, item, emoticon)
    
60.         {
    
61.                 char name[512];
    
62.                 if (strncmp(emoticon, "elm/entry/emoticon/", 19))
    
63.                         continue;
    
64.                 sscanf(emoticon, "elm/entry/emoticon/%[^/]/default", name);
    
65.                 elm_gengrid_item_append(grid, gic, strdup(name), _emoticon_selected_cb, ad);
    
66.         }
    
67. 
    
68.         edje_file_collection_list_free(emos);
    
69.         elm_gengrid_item_class_free(gic);
    
70.         return grid;
    
71. }
    
72. 
    
73. //show inwin with emoticon list
    
74. static void _insert_emoticon_cb(void *data, Evas_Object *obj, void *event) {
    
75.         appdata_s *ad = data;
    
76.         
    
77.         Evas_Object *inwin = elm_win_inwin_add(ad->win);
    
78.         evas_object_size_hint_weight_set(inwin, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
    
79.         evas_object_size_hint_align_set(inwin, EVAS_HINT_FILL, EVAS_HINT_FILL);
    
80.         evas_object_show(inwin);
    
81.         
    
82.         Evas_Object *box = elm_box_add(ad->win);
    
83.         evas_object_size_hint_weight_set(box, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
    
84.         evas_object_size_hint_align_set(box, EVAS_HINT_FILL, EVAS_HINT_FILL);
    
85.         elm_win_inwin_content_set(inwin, box);
    
86.         ad->inwin = inwin;
    
87.         evas_object_show(box);
    
88.         
    
89.         Evas_Object *naviframe = elm_naviframe_add(ad->win);
    
90.         evas_object_size_hint_weight_set(naviframe, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
    
91.         evas_object_size_hint_align_set(naviframe, EVAS_HINT_FILL, EVAS_HINT_FILL);
    
92.         elm_box_pack_end(box, naviframe);
    
93.         evas_object_show(naviframe);
    
94.         
    
95.         Evas_Object *grid = create_emoticon_grid(ad);
    
96.         elm_naviframe_item_simple_push(naviframe, grid);
    
97.         elm_naviframe_item_simple_promote(naviframe, grid);
    
98. }
    
99. 
    
100. //main test function(with editable entry and "insert emoticon" button
     
101. static void emoticon_test(appdata_s *ad) {
     
102.         Evas_Object *box = elm_box_add(ad->win);
     
103.         evas_object_size_hint_weight_set(box, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
     
104.         elm_win_resize_object_add(ad->win, box);
     
105.         evas_object_show(box);
     
106. 
     
107.         Evas_Object* entry = elm_entry_add(ad->win);
     
108.         evas_object_size_hint_weight_set(entry, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
     
109.         evas_object_size_hint_align_set(entry, EVAS_HINT_FILL, 0.1);
     
110.         elm_entry_entry_insert(entry, "sample text");
     
111. 
     
112.         evas_object_show(entry);
     
113.         elm_box_pack_end(box, entry);
     
114.         ad->entry = entry;
     
115. 
     
116.         Evas_Object *button = elm_button_add(ad->win);
     
117.         elm_object_text_set(button, "Insert emoticon");
     
118.         evas_object_show(button);
     
119.         elm_box_pack_end(box, button);
     
120. 
     
121.         evas_object_smart_callback_add(button, "clicked", _insert_emoticon_cb, ad);
     
122. }

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