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https://github.com/fergalmoran/ladybird.git
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3837de0573
The only reason for the inheritance was to add FDs to the select set. Since CNotifier is available (and now also quite useful), we can make use of it instead, and remove the inheritance.
114 lines
3.2 KiB
C++
114 lines
3.2 KiB
C++
#include <Kernel/KeyCode.h>
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#include <Kernel/MousePacket.h>
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#include <LibCore/CObject.h>
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#include <WindowServer/WSAPITypes.h>
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#include <WindowServer/WSClientConnection.h>
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#include <WindowServer/WSCursor.h>
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#include <WindowServer/WSEvent.h>
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#include <WindowServer/WSEventLoop.h>
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#include <WindowServer/WSScreen.h>
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#include <WindowServer/WSWindowManager.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <sys/select.h>
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#include <sys/socket.h>
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#include <sys/time.h>
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#include <time.h>
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#include <unistd.h>
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//#define WSMESSAGELOOP_DEBUG
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WSEventLoop::WSEventLoop()
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{
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m_keyboard_fd = open("/dev/keyboard", O_RDONLY | O_NONBLOCK | O_CLOEXEC);
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m_mouse_fd = open("/dev/psaux", O_RDONLY | O_NONBLOCK | O_CLOEXEC);
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unlink("/tmp/wsportal");
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sockaddr_un address;
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address.sun_family = AF_LOCAL;
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strcpy(address.sun_path, "/tmp/wsportal");
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int rc = bind(m_server_sock.fd(), (const sockaddr*)&address, sizeof(address));
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ASSERT(rc == 0);
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rc = listen(m_server_sock.fd(), 5);
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ASSERT(rc == 0);
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ASSERT(m_server_sock.fd() >= 0);
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ASSERT(m_keyboard_fd >= 0);
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ASSERT(m_mouse_fd >= 0);
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m_server_notifier = make<CNotifier>(m_server_sock.fd(), CNotifier::Read);
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m_server_notifier->on_ready_to_read = [this] { drain_server(); };
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m_keyboard_notifier = make<CNotifier>(m_keyboard_fd, CNotifier::Read);
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m_keyboard_notifier->on_ready_to_read = [this] { drain_keyboard(); };
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m_mouse_notifier = make<CNotifier>(m_mouse_fd, CNotifier::Read);
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m_mouse_notifier->on_ready_to_read = [this] { drain_mouse(); };
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}
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WSEventLoop::~WSEventLoop()
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{
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}
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void WSEventLoop::drain_server()
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{
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sockaddr_un address;
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socklen_t address_size = sizeof(address);
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int client_fd = accept(m_server_sock.fd(), (sockaddr*)&address, &address_size);
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if (client_fd < 0) {
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dbgprintf("WindowServer: accept() failed: %s\n", strerror(errno));
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} else {
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static int s_next_client_id = 0;
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int client_id = ++s_next_client_id;
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CIPCServerSideClientCreator<WSClientConnection>(client_fd, client_id);
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}
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}
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void WSEventLoop::drain_mouse()
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{
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auto& screen = WSScreen::the();
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unsigned prev_buttons = screen.mouse_button_state();
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int dx = 0;
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int dy = 0;
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int dz = 0;
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unsigned buttons = prev_buttons;
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for (;;) {
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MousePacket packet;
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ssize_t nread = read(m_mouse_fd, &packet, sizeof(MousePacket));
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if (nread == 0)
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break;
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ASSERT(nread == sizeof(packet));
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buttons = packet.buttons;
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dx += packet.dx;
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dy += -packet.dy;
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dz += packet.dz;
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if (buttons != prev_buttons) {
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screen.on_receive_mouse_data(dx, dy, dz, buttons);
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dx = 0;
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dy = 0;
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dz = 0;
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prev_buttons = buttons;
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}
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}
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if (dx || dy || dz)
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screen.on_receive_mouse_data(dx, dy, dz, buttons);
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}
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void WSEventLoop::drain_keyboard()
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{
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auto& screen = WSScreen::the();
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for (;;) {
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KeyEvent event;
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ssize_t nread = read(m_keyboard_fd, (u8*)&event, sizeof(KeyEvent));
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if (nread == 0)
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break;
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ASSERT(nread == sizeof(KeyEvent));
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screen.on_receive_keyboard_data(event);
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}
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}
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