116 lines
2.7 KiB
C++
116 lines
2.7 KiB
C++
#include "LibGUI/Window.h"
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#include <fcntl.h>
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#include <sys/banan-os.h>
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#include <sys/mman.h>
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#include <sys/select.h>
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#include <sys/socket.h>
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#include <sys/un.h>
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#include <unistd.h>
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namespace LibGUI
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{
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Window::~Window()
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{
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munmap(m_framebuffer, m_width * m_height * 4);
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close(m_server_fd);
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}
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BAN::ErrorOr<BAN::UniqPtr<Window>> Window::create(uint32_t width, uint32_t height)
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{
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int server_fd = socket(AF_UNIX, SOCK_SEQPACKET, 0);
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if (server_fd == -1)
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return BAN::Error::from_errno(errno);
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sockaddr_un server_address;
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server_address.sun_family = AF_UNIX;
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strcpy(server_address.sun_path, s_window_server_socket.data());
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if (connect(server_fd, (sockaddr*)&server_address, sizeof(server_address)) == -1)
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{
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close(server_fd);
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return BAN::Error::from_errno(errno);
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}
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WindowCreatePacket packet;
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packet.width = width;
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packet.height = height;
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if (send(server_fd, &packet, sizeof(packet), 0) != sizeof(packet))
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{
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close(server_fd);
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return BAN::Error::from_errno(errno);
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}
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WindowCreateResponse response;
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if (recv(server_fd, &response, sizeof(response), 0) != sizeof(response))
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{
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close(server_fd);
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return BAN::Error::from_errno(errno);
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}
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void* framebuffer_addr = smo_map(response.framebuffer_smo_key);
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if (framebuffer_addr == nullptr)
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{
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close(server_fd);
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return BAN::Error::from_errno(errno);
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}
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return TRY(BAN::UniqPtr<Window>::create(
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server_fd,
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static_cast<uint32_t*>(framebuffer_addr),
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width,
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height
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));
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}
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bool Window::invalidate()
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{
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WindowInvalidatePacket packet;
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packet.x = 0;
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packet.y = 0;
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packet.width = m_width;
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packet.height = m_height;
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return send(m_server_fd, &packet, sizeof(packet), 0) == sizeof(packet);
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}
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void Window::poll_events()
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{
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for (;;)
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{
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fd_set fds;
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FD_ZERO(&fds);
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FD_SET(m_server_fd, &fds);
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timeval timeout { .tv_sec = 0, .tv_usec = 0 };
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select(m_server_fd + 1, &fds, nullptr, nullptr, &timeout);
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if (!FD_ISSET(m_server_fd, &fds))
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break;
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EventPacket packet;
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if (recv(m_server_fd, &packet, sizeof(packet), 0) <= 0)
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break;
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switch (packet.type)
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{
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case EventPacket::Type::KeyEvent:
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if (m_key_event_callback)
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m_key_event_callback(packet.key_event);
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break;
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case EventPacket::Type::MouseButtonEvent:
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if (m_mouse_button_event_callback)
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m_mouse_button_event_callback(packet.mouse_button_event);
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break;
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case EventPacket::Type::MouseMoveEvent:
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if (m_mouse_move_event_callback)
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m_mouse_move_event_callback(packet.mouse_move_event);
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break;
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case EventPacket::Type::MouseScrollEvent:
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if (m_mouse_scroll_event_callback)
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m_mouse_scroll_event_callback(packet.mouse_scroll_event);
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break;
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}
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}
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}
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}
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