blob: eef5d8395426b295c393f19c9b9a515a48ea3d11 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
/*
* Copyright (c) 2020 The ZMK Contributors
*
* SPDX-License-Identifier: MIT
*/
#include <zephyr.h>
#include <logging/log.h>
LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL);
#include <zmk/event_manager.h>
extern struct zmk_event_type *__event_type_start[];
extern struct zmk_event_type *__event_type_end[];
extern struct zmk_event_subscription __event_subscriptions_start[];
extern struct zmk_event_subscription __event_subscriptions_end[];
int zmk_event_manager_handle_from(zmk_event_t *event, uint8_t start_index) {
int ret = 0;
uint8_t len = __event_subscriptions_end - __event_subscriptions_start;
for (int i = start_index; i < len; i++) {
struct zmk_event_subscription *ev_sub = __event_subscriptions_start + i;
if (ev_sub->event_type != event->event) {
continue;
}
ret = ev_sub->listener->callback(event);
switch (ret) {
case ZMK_EV_EVENT_BUBBLE:
continue;
case ZMK_EV_EVENT_HANDLED:
LOG_DBG("Listener handled the event");
ret = 0;
goto release;
case ZMK_EV_EVENT_CAPTURED:
LOG_DBG("Listener captured the event");
event->last_listener_index = i;
// Listeners are expected to free events they capture
return 0;
default:
LOG_DBG("Listener returned an error: %d", ret);
goto release;
}
}
release:
k_free(event);
return ret;
}
int zmk_event_manager_raise(zmk_event_t *event) { return zmk_event_manager_handle_from(event, 0); }
int zmk_event_manager_raise_after(zmk_event_t *event, const struct zmk_listener *listener) {
uint8_t len = __event_subscriptions_end - __event_subscriptions_start;
for (int i = 0; i < len; i++) {
struct zmk_event_subscription *ev_sub = __event_subscriptions_start + i;
if (ev_sub->event_type == event->event && ev_sub->listener == listener) {
return zmk_event_manager_handle_from(event, i + 1);
}
}
LOG_WRN("Unable to find where to raise this after event");
return -EINVAL;
}
int zmk_event_manager_raise_at(zmk_event_t *event, const struct zmk_listener *listener) {
uint8_t len = __event_subscriptions_end - __event_subscriptions_start;
for (int i = 0; i < len; i++) {
struct zmk_event_subscription *ev_sub = __event_subscriptions_start + i;
if (ev_sub->event_type == event->event && ev_sub->listener == listener) {
return zmk_event_manager_handle_from(event, i);
}
}
LOG_WRN("Unable to find where to raise this event");
return -EINVAL;
}
int zmk_event_manager_release(zmk_event_t *event) {
return zmk_event_manager_handle_from(event, event->last_listener_index + 1);
}
|
