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Allow widget_network() to be destroyed -- avoid allowing widget_network_recv()/send() if it's destroyed

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Pim van Pelt
2017-11-25 01:49:11 +01:00
parent 3a8aeb5e0f
commit efa9b1bf68
1 changed files with 10 additions and 0 deletions
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10
src/widget_network.c
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@ -32,12 +32,18 @@ static void widget_network_recv_clear(void *arg) {
} }
void widget_network_send() { void widget_network_send() {
if (!widget_network)
return;
if (!send_timer) if (!send_timer)
send_timer=mgos_set_timer(100, 0, widget_network_send_clear, NULL); send_timer=mgos_set_timer(100, 0, widget_network_send_clear, NULL);
widget_network_ev(EV_WIDGET_REDRAW, widget_network, NULL); widget_network_ev(EV_WIDGET_REDRAW, widget_network, NULL);
} }
void widget_network_recv() { void widget_network_recv() {
if (!widget_network)
return;
if (!recv_timer) if (!recv_timer)
recv_timer=mgos_set_timer(100, 0, widget_network_recv_clear, NULL); recv_timer=mgos_set_timer(100, 0, widget_network_recv_clear, NULL);
widget_network_ev(EV_WIDGET_REDRAW, widget_network, NULL); widget_network_ev(EV_WIDGET_REDRAW, widget_network, NULL);
@ -58,6 +64,10 @@ void widget_network_ev(int ev, struct widget_t *w, void *ev_data) {
case EV_WIDGET_TOUCH_UP: case EV_WIDGET_TOUCH_UP:
case EV_WIDGET_TOUCH_DOWN: case EV_WIDGET_TOUCH_DOWN:
case EV_WIDGET_DESTROY: case EV_WIDGET_DESTROY:
widget_network=NULL;
send_timer=0;
recv_timer=0;
break;
default: // EV_WIDGET_NONE default: // EV_WIDGET_NONE
break; break;
} }