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LibGUI/WindowServer: Add fullscreen events 

When window's fullscreen state changes we now generate events!
This commit is contained in:
Bananymous 2026-02-22 22:04:20 +02:00
parent f4a7aec167
commit a318a19fe2
4 changed files with 62 additions and 22 deletions
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4
userspace/libraries/LibGUI/Window.cpp
View File

@ -348,6 +348,10 @@ namespace LibGUI
if (m_window_focus_event_callback)
m_window_focus_event_callback(TRY_OR_BREAK(EventPacket::WindowFocusEvent::deserialize(packet_data.span())).event);
break;
case PacketType::WindowFullscreenEvent:
if (m_window_fullscreen_event_callback)
m_window_fullscreen_event_callback(TRY_OR_BREAK(EventPacket::WindowFullscreenEvent::deserialize(packet_data.span())).event);
break;
case PacketType::KeyEvent:
if (m_key_event_callback)
m_key_event_callback(TRY_OR_BREAK(EventPacket::KeyEvent::deserialize(packet_data.span())).event);

9
userspace/libraries/LibGUI/include/LibGUI/Packet.h
View File

@ -219,6 +219,7 @@ namespace LibGUI
ResizeWindowEvent,
WindowShownEvent,
WindowFocusEvent,
WindowFullscreenEvent,
KeyEvent,
MouseButtonEvent,
MouseMoveEvent,
@ -345,6 +346,14 @@ namespace LibGUI
event_t, event
);
DEFINE_PACKET_EXTRA(
WindowFullscreenEvent,
struct event_t {
bool fullscreen;
},
event_t, event
);
DEFINE_PACKET_EXTRA(
KeyEvent,
using event_t = LibInput::KeyEvent,

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

@ -77,6 +77,7 @@ namespace LibGUI
void set_mouse_scroll_event_callback(BAN::Function<void(EventPacket::MouseScrollEvent::event_t)> callback) { m_mouse_scroll_event_callback = callback; }
void set_window_shown_event_callback(BAN::Function<void(EventPacket::WindowShownEvent::event_t)> callback) { m_window_shown_event_callback = callback; }
void set_window_focus_event_callback(BAN::Function<void(EventPacket::WindowFocusEvent::event_t)> callback) { m_window_focus_event_callback = callback; }
void set_window_fullscreen_event_callback(BAN::Function<void(EventPacket::WindowFullscreenEvent::event_t)> callback) { m_window_fullscreen_event_callback = callback; }
int server_fd() const { return m_server_fd; }
@ -112,6 +113,7 @@ namespace LibGUI
BAN::Function<void()> m_resize_window_event_callback;
BAN::Function<void(EventPacket::WindowShownEvent::event_t)> m_window_shown_event_callback;
BAN::Function<void(EventPacket::WindowFocusEvent::event_t)> m_window_focus_event_callback;
BAN::Function<void(EventPacket::WindowFullscreenEvent::event_t)> m_window_fullscreen_event_callback;
BAN::Function<void(EventPacket::KeyEvent::event_t)> m_key_event_callback;
BAN::Function<void(EventPacket::MouseButtonEvent::event_t)> m_mouse_button_event_callback;
BAN::Function<void(EventPacket::MouseMoveEvent::event_t)> m_mouse_move_event_callback;

31
userspace/programs/WindowServer/WindowServer.cpp
View File

@ -90,7 +90,7 @@ void WindowServer::on_window_create(int fd, const LibGUI::WindowPacket::WindowCr
window_popper.disable();
if (packet.attributes.shown && packet.attributes.focusable)
if (packet.attributes.shown && packet.attributes.focusable && m_state == State::Normal)
set_focused_window(window);
else if (m_client_windows.size() > 1)
BAN::swap(m_client_windows[m_client_windows.size() - 1], m_client_windows[m_client_windows.size() - 2]);
@ -173,8 +173,14 @@ void WindowServer::on_window_set_attributes(int fd, const LibGUI::WindowPacket::
if ((!packet.attributes.focusable || !packet.attributes.shown) && m_focused_window == target_window)
{
if (m_state == State::Fullscreen && m_focused_window->get_attributes().resizable)
{
if (!resize_window(m_focused_window, m_non_full_screen_rect.width, m_non_full_screen_rect.height))
return;
m_focused_window->set_position({ m_non_full_screen_rect.x, m_non_full_screen_rect.y });
}
m_focused_window = nullptr;
if (m_state == State::Moving || m_state == State::Resizing)
m_state = State::Normal;
for (size_t i = m_client_windows.size(); i > 0; i--)
{
@ -198,7 +204,7 @@ void WindowServer::on_window_set_attributes(int fd, const LibGUI::WindowPacket::
if (auto ret = event_packet.send_serialized(target_window->client_fd()); ret.is_error())
dwarnln("could not send window shown event: {}", ret.error());
if (packet.attributes.focusable && packet.attributes.shown)
if (packet.attributes.focusable && packet.attributes.shown && m_state == State::Normal)
set_focused_window(target_window);
}
@ -298,6 +304,13 @@ void WindowServer::on_window_set_fullscreen(int fd, const LibGUI::WindowPacket::
return;
m_focused_window->set_position({ m_non_full_screen_rect.x, m_non_full_screen_rect.y });
}
auto event_packet = LibGUI::EventPacket::WindowFullscreenEvent {
.event = { .fullscreen = false }
};
if (auto ret = event_packet.send_serialized(m_focused_window->client_fd()); ret.is_error())
dwarnln("could not send window fullscreen event: {}", ret.error());
m_state = State::Normal;
invalidate(m_framebuffer.area());
return;
@ -327,6 +340,12 @@ void WindowServer::on_window_set_fullscreen(int fd, const LibGUI::WindowPacket::
m_non_full_screen_rect = old_area;
}
auto event_packet = LibGUI::EventPacket::WindowFullscreenEvent {
.event = { .fullscreen = true }
};
if (auto ret = event_packet.send_serialized(target_window->client_fd()); ret.is_error())
dwarnln("could not send window fullscreen event: {}", ret.error());
m_state = State::Fullscreen;
set_focused_window(target_window);
invalidate(m_framebuffer.area());
@ -483,6 +502,12 @@ void WindowServer::on_key_event(LibInput::KeyEvent event)
m_state = State::Fullscreen;
}
auto event_packet = LibGUI::EventPacket::WindowFullscreenEvent {
.event = { .fullscreen = (m_state == State::Fullscreen) }
};
if (auto ret = event_packet.send_serialized(m_focused_window->client_fd()); ret.is_error())
dwarnln("could not send window fullscreen event: {}", ret.error());
invalidate(m_framebuffer.area());
return;
}