139 lines
3.8 KiB
C
139 lines
3.8 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 Event examples.
|
|
*
|
|
* This example shows the various ways of adding callbacks for standard events.
|
|
* It also demonstrates the creation of a custom event and how to freeze and
|
|
* thaw events on an object.
|
|
*/
|
|
|
|
|
|
static void
|
|
_del_obj_cb(void *data EINA_UNUSED, const Efl_Event *event)
|
|
{
|
|
printf(" Delete Object %s\n", efl_name_get(event->object));
|
|
}
|
|
|
|
static void
|
|
_custom_cb(void *data EINA_UNUSED, const Efl_Event *event)
|
|
{
|
|
printf(" Custom event called on %s\n", efl_name_get(event->object));
|
|
}
|
|
|
|
static void
|
|
_poll_cb(void *data EINA_UNUSED, const Efl_Event *event)
|
|
{
|
|
printf(" Poll from %s\n", efl_name_get(event->object));
|
|
}
|
|
|
|
static void
|
|
_freezethaw_cb(void *data, const Efl_Event *event)
|
|
{
|
|
Efl_Loop *polled = data;
|
|
static int called = 0;
|
|
|
|
switch (called)
|
|
{
|
|
case 0:
|
|
printf(" Freeze %s from %s\n", efl_name_get(polled), efl_name_get(event->object));
|
|
efl_event_freeze(polled);
|
|
break;
|
|
case 1:
|
|
printf(" Thaw %s from %s\n", efl_name_get(polled), efl_name_get(event->object));
|
|
efl_event_thaw(polled);
|
|
break;
|
|
default:
|
|
printf(" %s expired: exitting\n", efl_name_get(event->object));
|
|
efl_exit(0);
|
|
}
|
|
|
|
called++;
|
|
}
|
|
|
|
static void
|
|
_events_freeze(Efl_Loop *mainloop)
|
|
{
|
|
Efl_Loop *polled;
|
|
|
|
printf("Test 2:\n");
|
|
|
|
// we add a secondary loop to experiment with freeze/thaw of events.
|
|
// if we did these experiments on the main loop, we could not receive
|
|
// the timer events used to control the test.
|
|
polled = efl_add(EFL_LOOP_CLASS, mainloop,
|
|
efl_name_set(efl_added, "subloop"));
|
|
efl_event_callback_add(polled, EFL_LOOP_EVENT_POLL_HIGH, _poll_cb, NULL);
|
|
|
|
// notify every 0.1 seconds
|
|
efl_add(EFL_LOOP_TIMER_CLASS, mainloop,
|
|
efl_name_set(efl_added, "timer2"),
|
|
efl_loop_timer_interval_set(efl_added, .1),
|
|
efl_event_callback_add(efl_added, EFL_LOOP_TIMER_EVENT_TICK, _freezethaw_cb, polled));
|
|
}
|
|
|
|
static void
|
|
_timer_cb(void *data EINA_UNUSED, const Efl_Event *event)
|
|
{
|
|
Efl_Loop *mainloop = (Efl_Loop *)data;
|
|
|
|
printf(" Timer reached for %s\n", efl_name_get(event->object));
|
|
|
|
// stop listening to polling events
|
|
efl_event_callback_del(mainloop, EFL_LOOP_EVENT_POLL_HIGH, _poll_cb, NULL);
|
|
|
|
// cancel this timer
|
|
efl_del(event->object);
|
|
|
|
// setup second test
|
|
_events_freeze(mainloop);
|
|
}
|
|
|
|
EFL_CALLBACKS_ARRAY_DEFINE(_callback_array,
|
|
{ EFL_LOOP_TIMER_EVENT_TICK, _timer_cb },
|
|
{ EFL_EVENT_DEL, _del_obj_cb })
|
|
|
|
static void
|
|
_events_demo(Efl_Loop *mainloop)
|
|
{
|
|
// this is a definition of a custom event, for our app
|
|
Efl_Event_Description CUSTOM_EVENT = EFL_EVENT_DESCRIPTION("custom-event");
|
|
|
|
printf("Test 1:\n");
|
|
|
|
// add a single callback that gets called continuously
|
|
efl_event_callback_add(mainloop, EFL_LOOP_EVENT_POLL_HIGH, _poll_cb, NULL);
|
|
|
|
// here we add a custom callback and call it immediately
|
|
efl_event_callback_add(mainloop, &CUSTOM_EVENT, _custom_cb, NULL);
|
|
efl_event_callback_call(mainloop, &CUSTOM_EVENT, NULL);
|
|
|
|
// we will exit from this timer after 0.1 seconds
|
|
// add an array of callbacks (defined above)
|
|
// this is more efficient if you have multiple callbacks to add
|
|
efl_add(EFL_LOOP_TIMER_CLASS, mainloop,
|
|
efl_name_set(efl_added, "timer1"),
|
|
efl_loop_timer_interval_set(efl_added, 0.1),
|
|
efl_event_callback_array_add(efl_added, _callback_array(), mainloop));
|
|
|
|
printf(" Waiting for timer1 to call back...\n");
|
|
}
|
|
|
|
EAPI_MAIN void
|
|
efl_main(void *data EINA_UNUSED, const Efl_Event *ev)
|
|
{
|
|
Efl_Loop *mainloop;
|
|
|
|
mainloop = ev->object;
|
|
efl_name_set(mainloop, "mainloop");
|
|
_events_demo(mainloop);
|
|
}
|
|
EFL_MAIN()
|
|
|