summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--minui/events.cpp29
-rw-r--r--minui/include/minui/minui.h2
2 files changed, 31 insertions, 0 deletions
diff --git a/minui/events.cpp b/minui/events.cpp
index 863ac7474..b307a4977 100644
--- a/minui/events.cpp
+++ b/minui/events.cpp
@@ -267,6 +267,35 @@ int ev_get_input(int fd, uint32_t epevents, input_event* ev) {
return -1;
}
+int ev_sync_sw_state(const ev_set_sw_callback& set_sw_cb) {
+ // Use unsigned long to match ioctl's parameter type.
+ unsigned long ev_bits[BITS_TO_LONGS(EV_MAX)]; // NOLINT
+ unsigned long sw_bits[BITS_TO_LONGS(SW_MAX)]; // NOLINT
+
+ for (size_t i = 0; i < g_ev_dev_count; ++i) {
+ memset(ev_bits, 0, sizeof(ev_bits));
+ memset(sw_bits, 0, sizeof(sw_bits));
+
+ if (ioctl(ev_fdinfo[i].fd, EVIOCGBIT(0, sizeof(ev_bits)), ev_bits) == -1) {
+ continue;
+ }
+ if (!test_bit(EV_SW, ev_bits)) {
+ continue;
+ }
+ if (ioctl(ev_fdinfo[i].fd, EVIOCGSW(sizeof(sw_bits)), sw_bits) == -1) {
+ continue;
+ }
+
+ for (int code = 0; code <= SW_MAX; code++) {
+ if (test_bit(code, sw_bits)) {
+ set_sw_cb(code, 1);
+ }
+ }
+ }
+
+ return 0;
+}
+
int ev_sync_key_state(const ev_set_key_callback& set_key_cb) {
// Use unsigned long to match ioctl's parameter type.
unsigned long ev_bits[BITS_TO_LONGS(EV_MAX)]; // NOLINT
diff --git a/minui/include/minui/minui.h b/minui/include/minui/minui.h
index 6a762b6a5..a2f62f0a6 100644
--- a/minui/include/minui/minui.h
+++ b/minui/include/minui/minui.h
@@ -162,6 +162,7 @@ struct input_event;
using ev_callback = std::function<int(int fd, uint32_t epevents)>;
using ev_set_key_callback = std::function<int(int code, int value)>;
+using ev_set_sw_callback = std::function<int(int code, int value)>;
int ev_init(ev_callback input_cb, bool allow_touch_inputs = false);
void ev_exit();
@@ -169,6 +170,7 @@ int ev_add_fd(android::base::unique_fd&& fd, ev_callback cb);
void ev_iterate_available_keys(const std::function<void(int)>& f);
void ev_iterate_touch_inputs(const std::function<void(int)>& action);
int ev_sync_key_state(const ev_set_key_callback& set_key_cb);
+int ev_sync_sw_state(const ev_set_sw_callback& set_sw_cb);
// 'timeout' has the same semantics as poll(2).
// 0 : don't block