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termio: make sure that reference to gesture layer are cleaned at the right time. 

Reviewers: billiob

Reviewed By: billiob

Subscribers: cedric

Tags: #terminology

Differential Revision: https://phab.enlightenment.org/D6207
This commit is contained in:
Cedric BAIL 2018-05-28 19:31:23 +02:00 committed by Boris Faure
parent c14f429621
commit a5f287e881
1 changed files with 16 additions and 0 deletions
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16
src/bin/termio.c
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@ -6034,6 +6034,21 @@ _smart_cb_drop(void *data,
return EINA_TRUE;
}
// As we do not control the lifecycle of the Evas_Object *win,
// the death of the gesture layer can happen before the termio
// is destroyed. So by NULLing the structure field on gesture
// death, we make sure to not manipulate dead pointer
static void
_gesture_layer_death(void *data,
Evas *e EINA_UNUSED,
Evas_Object *obj EINA_UNUSED,
void *event EINA_UNUSED)
{
Termio *sd = data;
sd->glayer = NULL;
}
/* }}} */
@ -6074,6 +6089,7 @@ termio_add(Evas_Object *win, Config *config,
sd->win = win;
sd->glayer = g = elm_gesture_layer_add(win);
evas_object_event_callback_add(g, EVAS_CALLBACK_FREE, _gesture_layer_death);
elm_gesture_layer_attach(g, sd->event);
elm_gesture_layer_cb_set(g, ELM_GESTURE_N_LONG_TAPS,