banan-os/userspace/WindowServer/WindowServer.h

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#pragma once
#include "Framebuffer.h"
#include "Window.h"
#include <BAN/Function.h>
#include <BAN/Iteration.h>
#include <BAN/Vector.h>
#include <BAN/HashMap.h>
#include <LibFont/Font.h>
#include <LibGUI/Window.h>
#include <LibImage/Image.h>
#include <LibInput/KeyEvent.h>
#include <LibInput/MouseEvent.h>
#include <sys/select.h>
class WindowServer
{
public:
WindowServer(Framebuffer& framebuffer)
: m_framebuffer(framebuffer)
, m_cursor({ framebuffer.width / 2, framebuffer.height / 2 })
, m_font(MUST(LibFont::Font::load("/usr/share/fonts/lat0-16.psfu"sv)))
{
invalidate(m_framebuffer.area());
}
BAN::ErrorOr<void> set_background_image(BAN::UniqPtr<LibImage::Image>);
void on_window_packet(int fd, LibGUI::WindowPacket);
void on_key_event(LibInput::KeyEvent event);
void on_mouse_button(LibInput::MouseButtonEvent event);
void on_mouse_move(LibInput::MouseMoveEvent event);
void on_mouse_scroll(LibInput::MouseScrollEvent event);
void set_focused_window(BAN::RefPtr<Window> window);
void invalidate(Rectangle area);
Rectangle cursor_area() const;
void add_client_fd(int fd);
void remove_client_fd(int fd);
int get_client_fds(fd_set& fds) const;
void for_each_client_fd(const BAN::Function<BAN::Iteration(int)>& callback);
bool is_stopped() const { return m_is_stopped; }
private:
Framebuffer& m_framebuffer;
BAN::Vector<BAN::RefPtr<Window>> m_client_windows;
BAN::Vector<int> m_client_fds;
BAN::UniqPtr<LibImage::Image> m_background_image;
bool m_is_mod_key_held { false };
bool m_is_moving_window { false };
BAN::RefPtr<Window> m_focused_window;
Position m_cursor;
bool m_deleted_window { false };
bool m_is_stopped { false };
LibFont::Font m_font;
};