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LibGUI: Add API to block until window events are available

This commit is contained in:
Bananymous 2025-05-05 22:33:00 +03:00
parent 96496da0ab
commit f78c7e7926
2 changed files with 11 additions and 1 deletions
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10
userspace/libraries/LibGUI/Window.cpp
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@ -387,10 +387,17 @@ namespace LibGUI
return {};
}
#define TRY_OR_BREAK(...) ({ auto&& e = (__VA_ARGS__); if (e.is_error()) break; e.release_value(); })
void Window::wait_events()
{
fd_set fds;
FD_ZERO(&fds);
FD_SET(m_server_fd, &fds);
select(m_server_fd + 1, &fds, nullptr, nullptr, nullptr);
}
void Window::poll_events()
{
#define TRY_OR_BREAK(...) ({ auto&& e = (__VA_ARGS__); if (e.is_error()) break; e.release_value(); })
for (;;)
{
fd_set fds;
@ -444,6 +451,7 @@ namespace LibGUI
break;
}
}
#undef TRY_OR_BREAK
}
}

2
userspace/libraries/LibGUI/include/LibGUI/Window.h
View File

@ -88,7 +88,9 @@ namespace LibGUI
// used on resize to fill empty space
void set_bg_color(uint32_t bg_color) { m_bg_color = bg_color; }
void wait_events();
void poll_events();
void set_socket_error_callback(BAN::Function<void()> callback) { m_socket_error_callback = callback; }
void set_close_window_event_callback(BAN::Function<void()> callback) { m_close_window_event_callback = callback; }
void set_resize_window_event_callback(BAN::Function<void()> callback) { m_resize_window_event_callback = callback; }