examples/reference/c/core/src/core_idler.c

67 lines
1.7 KiB
C

#define EFL_EO_API_SUPPORT 1
#define EFL_BETA_API_SUPPORT 1
#include <stdio.h>
#include <Eina.h>
#include <Efl_Core.h>
/*
* Efl Core Idler examples.
*
* Here we register callbacks to execute code when the loop is idle.
* We also record when we enter or exit the idle state.
*
* We initiate a timer to exit the idle state and then exit the application
*/
// the idler enter callback
static void
_enter_cb(void *data EINA_UNUSED, const Efl_Event *event EINA_UNUSED)
{
printf("IDLE ENTER: Entering idle state.\n");
}
// the idler exit callback
static void
_exit_cb(void *data EINA_UNUSED, const Efl_Event *event EINA_UNUSED)
{
printf("IDLE EXIT: Exiting idle state.\n");
}
// the idler callback - ran while the loop is idle
static void
_idler_cb(void *data EINA_UNUSED, const Efl_Event *event EINA_UNUSED)
{
printf("IDLER: executing idler callback while in idle state.\n");
}
// Our timer callback ticks at the specified interval to interrupt the idle state
static void
_timer_cb(void *data EINA_UNUSED, const Efl_Event *event)
{
Efl_Loop_Timer *timer;
timer = event->object;
printf("TIMER: timer callback called, exiting.\n");
efl_del(timer);
efl_exit(0);
}
EAPI_MAIN void
efl_main(void *data EINA_UNUSED, const Efl_Event *ev EINA_UNUSED)
{
Efl_Loop *loop = ev->object;
efl_event_callback_add(loop, EFL_LOOP_EVENT_IDLE, _idler_cb, NULL);
efl_event_callback_add(loop, EFL_LOOP_EVENT_IDLE_ENTER, _enter_cb, NULL);
efl_event_callback_add(loop, EFL_LOOP_EVENT_IDLE_EXIT, _exit_cb, NULL);
efl_add(EFL_LOOP_TIMER_CLASS, loop,
efl_loop_timer_interval_set(efl_added, 0.0005),
efl_event_callback_add(efl_added, EFL_LOOP_TIMER_EVENT_TIMER_TICK, _timer_cb, NULL));
}
EFL_MAIN()