125 lines
3.1 KiB
C
125 lines
3.1 KiB
C
//Compile with:
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// gcc -o ecore_idler_example ecore_idler_example.c `pkg-config --libs --cflags ecore eo`
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <Ecore.h>
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#include <Eo.h>
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#include <unistd.h>
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struct context // helper struct to give some context to the callbacks
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{
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int count;
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Ecore_Idle_Enterer *enterer;
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Ecore_Idler *idler;
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Ecore_Idle_Exiter *exiter;
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Ecore_Event_Handler *handler;
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Ecore_Timer *timer;
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};
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static int _event_type = 0; // a new type of event will be defined and stored here
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static Eina_Bool
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_enterer_cb(void *data EINA_UNUSED) // the idle enterer callback
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{
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printf("IDLE ENTERER: Ecore entering in idle state.\n");
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return ECORE_CALLBACK_RENEW; // same as EINA_TRUE
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}
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static Eina_Bool
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_exiter_cb(void *data EINA_UNUSED) // the idle exiter callback
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{
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printf("IDLE EXITER: Ecore exiting idle state.\n");
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return ECORE_CALLBACK_RENEW; // same as EINA_TRUE
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}
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static Eina_Bool
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_idler_cb(void *data) // the idler callback - ran while the mainloop is idle
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{
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struct context *ctxt = data;
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printf("IDLER: executing idler callback while in idle state.\n");
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ctxt->count++;
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/* each 10 times that the callback gets called, generate an event that
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* will wake up the main loop, triggering idle enterers, exiters, etc. */
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if ((ctxt->count % 10) == 0)
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ecore_event_add(_event_type, NULL, NULL, NULL);
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return ECORE_CALLBACK_RENEW; // same as EINA_TRUE
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}
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static Eina_Bool
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_event_handler_cb(void *data, int type EINA_UNUSED, void *event EINA_UNUSED) // event callback
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{
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struct context *ctxt = data;
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printf("EVENT: processing callback for the event received.\n");
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if (ctxt->count > 100)
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{
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ecore_idle_enterer_del(ctxt->enterer);
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ecore_idle_exiter_del(ctxt->exiter);
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// ecore_idler_del(ctxt->idler);
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ctxt->enterer = NULL;
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ctxt->exiter = NULL;
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ctxt->idler = NULL;
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if (ctxt->timer)
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{
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ecore_timer_del(ctxt->timer);
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ctxt->timer = NULL;
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}
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ecore_main_loop_quit();
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}
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return ECORE_CALLBACK_DONE; // same as EINA_FALSE
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}
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static Eina_Bool
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_timer_cb(void *data)
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{
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struct context *ctxt = data;
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printf("TIMER: timer callback called.\n");
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if (ctxt->timer)
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ctxt->timer = NULL;
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return ECORE_CALLBACK_CANCEL; // same as EINA_FALSE
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}
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int
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main(void)
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{
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struct context ctxt = {0};
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if (!ecore_init())
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{
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printf("ERROR: Cannot init Ecore!\n");
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return -1;
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}
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_event_type = ecore_event_type_new();
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ctxt.enterer = ecore_idle_enterer_add(_enterer_cb, &ctxt);
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ctxt.exiter = ecore_idle_exiter_add(_exiter_cb, &ctxt);
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ctxt.idler = ecore_idler_add(_idler_cb, &ctxt);
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// ctxt.idler = efl_add(ECORE_IDLER_CLASS, NULL, ecore_idler_constructor(efl_self, _idler_cb, &ctxt));
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ctxt.handler = ecore_event_handler_add(_event_type,
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_event_handler_cb,
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&ctxt);
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ctxt.timer = ecore_timer_add(0.0005, _timer_cb, &ctxt);
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ecore_main_loop_begin();
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ecore_shutdown();
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return 0;
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}
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