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Set inputs to 0 upon controller disconnect #177

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Set inputs to 0 upon controller disconnect #177

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31 changes: 31 additions & 0 deletions src/virt_ctlr_combined.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,24 @@ void virt_ctlr_combined::relay_events(std::shared_ptr<phys_ctlr> phys)
bool is_serial;

int ret = libevdev_next_event(evdev, LIBEVDEV_READ_FLAG_NORMAL, &ev);

if (ret == -ENODEV) {
if (phys == physl) {
libevdev_uinput_write_event(uidev, EV_ABS, ABS_X, 0);
libevdev_uinput_write_event(uidev, EV_ABS, ABS_Y, 0);
libevdev_uinput_write_event(uidev, EV_KEY, BTN_TL, 0);
libevdev_uinput_write_event(uidev, EV_KEY, BTN_TL2, 0);
} else if (phys == physr) {
libevdev_uinput_write_event(uidev, EV_ABS, ABS_RX, 0);
libevdev_uinput_write_event(uidev, EV_ABS, ABS_RY, 0);
libevdev_uinput_write_event(uidev, EV_KEY, BTN_TR, 0);
libevdev_uinput_write_event(uidev, EV_KEY, BTN_TR2, 0);
}
libevdev_uinput_write_event(uidev, EV_SYN, SYN_REPORT, 0);
return;
}
// -------------------------------------

while (ret == LIBEVDEV_READ_STATUS_SYNC || ret == LIBEVDEV_READ_STATUS_SUCCESS) {
if (ret == LIBEVDEV_READ_STATUS_SYNC) {
std::cout << "handle sync\n";
Expand Down Expand Up @@ -399,11 +417,24 @@ int virt_ctlr_combined::get_uinput_fd()

void virt_ctlr_combined::remove_phys_ctlr(const std::shared_ptr<phys_ctlr> phys)
{
// zeroing out all the buttons upon disconnect
if (phys == physl) {
std::cout << "Removing left joy-con from virtual combined controller\n";
//std::cout << "\n\nTHE THING DID THE THING!!!!!!!!!!\n";
libevdev_uinput_write_event(uidev, EV_ABS, ABS_X, 0);
libevdev_uinput_write_event(uidev, EV_ABS, ABS_Y, 0);
libevdev_uinput_write_event(uidev, EV_KEY, BTN_TL, 0);
libevdev_uinput_write_event(uidev, EV_KEY, BTN_TL2, 0);
libevdev_uinput_write_event(uidev, EV_SYN, SYN_REPORT, 0);
physl = nullptr;
} else if (phys == physr) {
std::cout << "Removing right joy-con from virtual combined controller\n";

libevdev_uinput_write_event(uidev, EV_ABS, ABS_RX, 0);
libevdev_uinput_write_event(uidev, EV_ABS, ABS_RY, 0);
libevdev_uinput_write_event(uidev, EV_KEY, BTN_TR, 0);
libevdev_uinput_write_event(uidev, EV_KEY, BTN_TR2, 0);
libevdev_uinput_write_event(uidev, EV_SYN, SYN_REPORT, 0);
physr = nullptr;
} else {
std::cerr << "ERROR: Attempted to remove non-existant controller from combined joy-cons\n";
Expand Down