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LibGUI: Implement very bad widget system :D

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Bananymous
2025-06-27 13:49:15 +03:00
parent 4695fa061d
commit d73a667437
15 changed files with 1076 additions and 2 deletions
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61
userspace/libraries/LibGUI/Window.cpp
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@@ -113,6 +113,17 @@ namespace LibGUI
return window;
}
BAN::ErrorOr<void> Window::set_root_widget(BAN::RefPtr<Widget::Widget> widget)
{
TRY(widget->set_fixed_geometry({ 0, 0, m_width, m_height }));
m_root_widget = widget;
m_root_widget->show();
const auto invalidated = m_root_widget->render(m_texture, { 0, 0 }, { 0, 0, m_width, m_height });
if (invalidated.w && invalidated.h)
invalidate(invalidated.x, invalidated.y, invalidated.w, invalidated.h);
return {};
}
void Window::invalidate(int32_t x, int32_t y, uint32_t width, uint32_t height)
{
if (!m_texture.clamp_to_texture(x, y, width, height))
@@ -168,6 +179,28 @@ namespace LibGUI
return on_socket_error(__FUNCTION__);
}
void Window::set_cursor_visible(bool visible)
{
auto attributes = m_attributes;
if (attributes.cursor_visible == visible)
return;
attributes.cursor_visible = visible;
set_attributes(attributes);
}
void Window::set_cursor(uint32_t width, uint32_t height, BAN::Span<uint32_t> pixels)
{
WindowPacket::WindowSetCursor packet;
packet.width = width;
packet.height = height;
MUST(packet.pixels.resize(pixels.size()));
for (size_t i = 0; i < packet.pixels.size(); i++)
packet.pixels[i] = pixels[i];
if (auto ret = packet.send_serialized(m_server_fd); ret.is_error())
return on_socket_error(__FUNCTION__);
}
void Window::set_min_size(uint32_t width, uint32_t height)
{
WindowPacket::WindowSetMinSize packet;
@@ -238,6 +271,9 @@ namespace LibGUI
TRY(m_texture.resize(event.width, event.height));
if (m_root_widget)
TRY(m_root_widget->set_fixed_geometry({ 0, 0, event.width, event.height }));
void* framebuffer_addr = smo_map(event.smo_key);
if (framebuffer_addr == nullptr)
return BAN::Error::from_errno(errno);
@@ -304,13 +340,27 @@ namespace LibGUI
m_key_event_callback(TRY_OR_BREAK(EventPacket::KeyEvent::deserialize(packet_data.span())).event);
break;
case PacketType::MouseButtonEvent:
{
auto event = TRY_OR_BREAK(EventPacket::MouseButtonEvent::deserialize(packet_data.span())).event;
if (m_mouse_button_event_callback)
m_mouse_button_event_callback(TRY_OR_BREAK(EventPacket::MouseButtonEvent::deserialize(packet_data.span())).event);
m_mouse_button_event_callback(event);
if (m_root_widget)
m_root_widget->on_mouse_button(event);
break;
}
case PacketType::MouseMoveEvent:
{
auto event = TRY_OR_BREAK(EventPacket::MouseMoveEvent::deserialize(packet_data.span())).event;
if (m_mouse_move_event_callback)
m_mouse_move_event_callback(TRY_OR_BREAK(EventPacket::MouseMoveEvent::deserialize(packet_data.span())).event);
m_mouse_move_event_callback(event);
if (m_root_widget)
{
m_root_widget->before_mouse_move();
m_root_widget->on_mouse_move(event);
m_root_widget->after_mouse_move();
}
break;
}
case PacketType::MouseScrollEvent:
if (m_mouse_scroll_event_callback)
m_mouse_scroll_event_callback(TRY_OR_BREAK(EventPacket::MouseScrollEvent::deserialize(packet_data.span())).event);
@@ -320,6 +370,13 @@ namespace LibGUI
}
}
#undef TRY_OR_BREAK
if (m_root_widget)
{
const auto invalidated = m_root_widget->render(m_texture, { 0, 0 }, { 0, 0, m_width, m_height });
if (invalidated.w && invalidated.h)
invalidate(invalidated.x, invalidated.y, invalidated.w, invalidated.h);
}
}
}