grep长点击实现事件的方法

良思俊旭

grep长点击实现事件的方法

1. // ---- long click implementation
   
2. static const char* _klongtimer = "_long_timer";
   
3. static long _long_click_time = 1; // 1 sec default
   
4. static Eina_Bool _long_press_cb(void *data)
   
5. {
   
6.     Evas_Object *obj = data;
   
7.         if (data == NULL) return ECORE_CALLBACK_CANCEL;
   
8.         evas_object_smart_callback_call(obj, "longclick", NULL);
   
9. 
   
10.         return ECORE_CALLBACK_CANCEL;
    
11. }
    
12. static void _mouse_down(void *data, Evas *e, Evas_Object *obj, void *event_info)
    
13. {
    
14.         Ecore_Timer *timer = evas_object_data_get(obj, _klongtimer);
    
15.         if (timer != NULL) {
    
16.                 ecore_timer_del(timer);
    
17.                 evas_object_data_del(obj, _klongtimer);
    
18.         }
    
19.         if (timer == NULL) {
    
20.                 timer = ecore_timer_add(_long_click_time, _long_press_cb, obj);
    
21.                 evas_object_data_set(obj, _klongtimer, timer);
    
22.         }
    
23. }
    
24. static void _mouse_up(void *data, Evas *e, Evas_Object *obj, void *event_info)
    
25. {
    
26.         Ecore_Timer *timer = evas_object_data_get(obj, _klongtimer);
    
27.         if (timer != NULL) {
    
28.                 ecore_timer_del(timer);
    
29.                 evas_object_data_del(obj, _klongtimer);
    
30.         }
    
31. }
    
32. static void _mouse_move(void *data, Evas *e, Evas_Object *obj, void *event_info)
    
33. {
    
34.         Ecore_Timer *timer = evas_object_data_get(obj, _klongtimer);
    
35.         Evas_Event_Mouse_Move *ev = event_info;
    
36.         if ((ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD) && timer) {
    
37.                 ecore_timer_del(timer);
    
38.                 evas_object_data_del(obj, _klongtimer);
    
39.         }
    
40. }
    
41. void pius_object_longclick_time_set(double time)
    
42. {
    
43.         _long_click_time = time;
    
44. }
    
45. double pius_object_longclick_time_get()
    
46. {
    
47.         return _long_click_time;
    
48. }
    
49. void pius_object_longclick_add(Evas_Object *obj, Evas_Smart_Cb func, const void *data)
    
50. {
    
51.         evas_object_event_callback_add(obj, EVAS_CALLBACK_MOUSE_DOWN, _mouse_down, NULL);
    
52.         evas_object_event_callback_add(obj, EVAS_CALLBACK_MOUSE_UP, _mouse_up, NULL);
    
53.         evas_object_event_callback_add(obj, EVAS_CALLBACK_MOUSE_MOVE, _mouse_move, NULL);
    
54.         evas_object_smart_callback_add(obj, "longclick", func, data);
    
55. }
    
56. // ----
    
57. 
    
58. 
    
59. 
    
60. 
    
61. 
    
62. // Usage
    
63. static void longclick(void *data, Evas_Object *obj, void *event_info)
    
64. {
    
65.     LOGI("long click!!");
    
66. }
    
67. 
    
68. Evas_Object *img = elm_image_add(ad->conform);
    
69. elm_image_file_set(img, path, NULL);
    
70. evas_object_size_hint_weight_set(img, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
    
71. elm_object_content_set(ad->conform, img);
    
72. evas_object_show(img);
    
73. 
    
74. pius_object_longclick_add(img, longclick, NULL);

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