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Implement GrabServer and UngrabServer

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These seem very scary but they are part of the spec :)
This commit is contained in:
Oskari Alaranta
2026-02-21 05:01:37 +02:00
parent 8a0f287d8c
commit a52181e140
3 changed files with 80 additions and 5 deletions
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40
xbanan/Base.cpp
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@@ -2297,12 +2297,48 @@ BAN::ErrorOr<void> handle_packet(Client& client_info, BAN::ConstByteSpan packet)
}
case X_GrabServer:
{
dwarnln("GrabServer");
g_server_grabber_fd = client_info.fd;
for (const auto& [_, thingy] : g_epoll_thingies)
{
if (thingy.type != EpollThingy::Type::Client)
continue;
auto& other_client = thingy.value.get<Client>();
if (client_info.fd == other_client.fd)
continue;
uint32_t events = 0;
if (other_client.has_epollout)
events |= EPOLLOUT;
epoll_event event { .events = events, .data = { .fd = other_client.fd } };
epoll_ctl(g_epoll_fd, EPOLL_CTL_MOD, other_client.fd, &event);
}
break;
}
case X_UngrabServer:
{
dwarnln("UngrabServer");
g_server_grabber_fd = -1;
for (const auto& [_, thingy] : g_epoll_thingies)
{
if (thingy.type != EpollThingy::Type::Client)
continue;
auto& other_client = thingy.value.get<Client>();
if (client_info.fd == other_client.fd)
continue;
uint32_t events = EPOLLIN;
if (other_client.has_epollout)
events |= EPOLLOUT;
epoll_event event { .events = events, .data = { .fd = other_client.fd } };
epoll_ctl(g_epoll_fd, EPOLL_CTL_MOD, other_client.fd, &event);
}
break;
}
case X_QueryPointer: