diff options
Diffstat (limited to 'libraries/ecore/src/examples/ecore_idler_example.c')
-rw-r--r-- | libraries/ecore/src/examples/ecore_idler_example.c | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/libraries/ecore/src/examples/ecore_idler_example.c b/libraries/ecore/src/examples/ecore_idler_example.c new file mode 100644 index 0000000..d19fce3 --- /dev/null +++ b/libraries/ecore/src/examples/ecore_idler_example.c | |||
@@ -0,0 +1,112 @@ | |||
1 | #include <Ecore.h> | ||
2 | #include <unistd.h> | ||
3 | |||
4 | struct context { // helper struct to give some context to the callbacks | ||
5 | int count; | ||
6 | Ecore_Idle_Enterer *enterer; | ||
7 | Ecore_Idler *idler; | ||
8 | Ecore_Idle_Exiter *exiter; | ||
9 | Ecore_Event_Handler *handler; | ||
10 | Ecore_Timer *timer; | ||
11 | }; | ||
12 | |||
13 | static _event_type = 0; // a new type of event will be defined and stored here | ||
14 | |||
15 | static Eina_Bool | ||
16 | _enterer_cb(void *data) // the idle enterer callback | ||
17 | { | ||
18 | printf("IDLE ENTERER: Ecore entering in idle state.\n"); | ||
19 | |||
20 | return ECORE_CALLBACK_RENEW; // same as EINA_TRUE | ||
21 | } | ||
22 | |||
23 | static Eina_Bool | ||
24 | _exiter_cb(void *data) // the idle exiter callback | ||
25 | { | ||
26 | printf("IDLE EXITER: Ecore exiting idle state.\n"); | ||
27 | |||
28 | return ECORE_CALLBACK_RENEW; // same as EINA_TRUE | ||
29 | } | ||
30 | |||
31 | static Eina_Bool | ||
32 | _idler_cb(void *data) // the idler callback - ran while the mainloop is idle | ||
33 | { | ||
34 | struct context *ctxt = data; | ||
35 | printf("IDLER: executing idler callback while in idle state.\n"); | ||
36 | |||
37 | ctxt->count++; | ||
38 | |||
39 | /* each 10 times that the callback gets called, generate an event that | ||
40 | * will wake up the main loop, triggering idle enterers, exiters, etc. */ | ||
41 | if ((ctxt->count % 10) == 0) | ||
42 | ecore_event_add(_event_type, NULL, NULL, NULL); | ||
43 | |||
44 | return ECORE_CALLBACK_RENEW; // same as EINA_TRUE | ||
45 | } | ||
46 | |||
47 | static Eina_Bool | ||
48 | _event_handler_cb(void *data, int type, void *event) // event callback | ||
49 | { | ||
50 | struct context *ctxt = data; | ||
51 | |||
52 | printf("EVENT: processing callback for the event received.\n"); | ||
53 | |||
54 | if (ctxt->count > 100) | ||
55 | { | ||
56 | ecore_idle_enterer_del(ctxt->enterer); | ||
57 | ecore_idle_exiter_del(ctxt->exiter); | ||
58 | ecore_idler_del(ctxt->idler); | ||
59 | |||
60 | ctxt->enterer = NULL; | ||
61 | ctxt->exiter = NULL; | ||
62 | ctxt->idler = NULL; | ||
63 | |||
64 | if (ctxt->timer) | ||
65 | { | ||
66 | ecore_timer_del(ctxt->timer); | ||
67 | ctxt->timer = NULL; | ||
68 | } | ||
69 | |||
70 | ecore_main_loop_quit(); | ||
71 | } | ||
72 | |||
73 | return ECORE_CALLBACK_DONE; // same as EINA_FALSE | ||
74 | } | ||
75 | |||
76 | static Eina_Bool | ||
77 | _timer_cb(void *data) | ||
78 | { | ||
79 | struct context *ctxt = data; | ||
80 | printf("TIMER: timer callback called.\n"); | ||
81 | |||
82 | if (ctxt->timer) | ||
83 | ctxt->timer = NULL; | ||
84 | |||
85 | return ECORE_CALLBACK_CANCEL; // same as EINA_TRUE | ||
86 | } | ||
87 | |||
88 | int main(int argc, char **argv) | ||
89 | { | ||
90 | struct context ctxt = {0}; | ||
91 | |||
92 | if (!ecore_init()) | ||
93 | { | ||
94 | printf("ERROR: Cannot init Ecore!\n"); | ||
95 | return -1; | ||
96 | } | ||
97 | |||
98 | _event_type = ecore_event_type_new(); | ||
99 | |||
100 | ctxt.enterer = ecore_idle_enterer_add(_enterer_cb, &ctxt); | ||
101 | ctxt.exiter = ecore_idle_exiter_add(_exiter_cb, &ctxt); | ||
102 | ctxt.idler = ecore_idler_add(_idler_cb, &ctxt); | ||
103 | ctxt.handler = ecore_event_handler_add(_event_type, | ||
104 | _event_handler_cb, | ||
105 | &ctxt); | ||
106 | ctxt.timer = ecore_timer_add(0.0005, _timer_cb, &ctxt); | ||
107 | |||
108 | ecore_main_loop_begin(); | ||
109 | ecore_shutdown(); | ||
110 | |||
111 | return 0; | ||
112 | } | ||