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Diffstat (limited to '')
-rw-r--r-- | minui/events.cpp | 29 |
1 files changed, 29 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 |