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WindowServer: Rename WSMessage* => WSEvent*.

Since I'm on a roll here, I'll just rename WSMessageFoo to WSEventFoo now
that these inherit from CEventFoo anyway.
This commit is contained in:
Andreas Kling 2019-04-14 05:23:37 +02:00
parent de184d0999
commit 94a5e08faf
17 changed files with 191 additions and 191 deletions

View file

@ -0,0 +1,284 @@
#include <WindowServer/WSEventLoop.h>
#include <WindowServer/WSEvent.h>
#include <LibCore/CObject.h>
#include <WindowServer/WSWindowManager.h>
#include <WindowServer/WSScreen.h>
#include <WindowServer/WSClientConnection.h>
#include <WindowServer/WSAPITypes.h>
#include <WindowServer/WSCursor.h>
#include <Kernel/KeyCode.h>
#include <Kernel/MousePacket.h>
#include <sys/socket.h>
#include <sys/select.h>
#include <sys/time.h>
#include <time.h>
#include <unistd.h>
#include <fcntl.h>
#include <stdio.h>
#include <errno.h>
//#define WSMESSAGELOOP_DEBUG
WSEventLoop::WSEventLoop()
{
m_keyboard_fd = open("/dev/keyboard", O_RDONLY | O_NONBLOCK | O_CLOEXEC);
m_mouse_fd = open("/dev/psaux", O_RDONLY | O_NONBLOCK | O_CLOEXEC);
unlink("/tmp/wsportal");
m_server_fd = socket(AF_LOCAL, SOCK_STREAM | SOCK_NONBLOCK | SOCK_CLOEXEC, 0);
ASSERT(m_server_fd >= 0);
sockaddr_un address;
address.sun_family = AF_LOCAL;
strcpy(address.sun_path, "/tmp/wsportal");
int rc = bind(m_server_fd, (const sockaddr*)&address, sizeof(address));
ASSERT(rc == 0);
rc = listen(m_server_fd, 5);
ASSERT(rc == 0);
ASSERT(m_keyboard_fd >= 0);
ASSERT(m_mouse_fd >= 0);
}
WSEventLoop::~WSEventLoop()
{
}
WSEventLoop& WSEventLoop::the()
{
return static_cast<WSEventLoop&>(CEventLoop::current());
}
void WSEventLoop::drain_server()
{
sockaddr_un address;
socklen_t address_size = sizeof(address);
int client_fd = accept(m_server_fd, (sockaddr*)&address, &address_size);
if (client_fd < 0) {
dbgprintf("WindowServer: accept() failed: %s\n", strerror(errno));
} else {
new WSClientConnection(client_fd);
}
}
void WSEventLoop::drain_mouse()
{
auto& screen = WSScreen::the();
unsigned prev_buttons = screen.mouse_button_state();
int dx = 0;
int dy = 0;
unsigned buttons = prev_buttons;
for (;;) {
MousePacket packet;
ssize_t nread = read(m_mouse_fd, &packet, sizeof(MousePacket));
if (nread == 0)
break;
ASSERT(nread == sizeof(packet));
buttons = packet.buttons;
dx += packet.dx;
dy += -packet.dy;
if (buttons != prev_buttons) {
screen.on_receive_mouse_data(dx, dy, buttons);
dx = 0;
dy = 0;
prev_buttons = buttons;
}
}
if (dx || dy)
screen.on_receive_mouse_data(dx, dy, buttons);
}
void WSEventLoop::drain_keyboard()
{
auto& screen = WSScreen::the();
for (;;) {
KeyEvent event;
ssize_t nread = read(m_keyboard_fd, (byte*)&event, sizeof(KeyEvent));
if (nread == 0)
break;
ASSERT(nread == sizeof(KeyEvent));
screen.on_receive_keyboard_data(event);
}
}
void WSEventLoop::notify_client_disconnected(int client_id)
{
auto* client = WSClientConnection::from_client_id(client_id);
if (!client)
return;
post_event(*client, make<WSClientDisconnectedNotification>(client_id));
}
static WSWindowType from_api(WSAPI_WindowType api_type)
{
switch (api_type) {
case WSAPI_WindowType::Normal:
return WSWindowType::Normal;
case WSAPI_WindowType::Menu:
return WSWindowType::Menu;
case WSAPI_WindowType::WindowSwitcher:
return WSWindowType::WindowSwitcher;
case WSAPI_WindowType::Taskbar:
return WSWindowType::Taskbar;
case WSAPI_WindowType::Tooltip:
return WSWindowType::Tooltip;
default:
ASSERT_NOT_REACHED();
}
}
void WSEventLoop::on_receive_from_client(int client_id, const WSAPI_ClientMessage& message)
{
WSClientConnection& client = *WSClientConnection::from_client_id(client_id);
switch (message.type) {
case WSAPI_ClientMessage::Type::Greeting:
client.set_client_pid(message.greeting.client_pid);
break;
case WSAPI_ClientMessage::Type::CreateMenubar:
post_event(client, make<WSAPICreateMenubarRequest>(client_id));
break;
case WSAPI_ClientMessage::Type::DestroyMenubar:
post_event(client, make<WSAPIDestroyMenubarRequest>(client_id, message.menu.menubar_id));
break;
case WSAPI_ClientMessage::Type::SetApplicationMenubar:
post_event(client, make<WSAPISetApplicationMenubarRequest>(client_id, message.menu.menubar_id));
break;
case WSAPI_ClientMessage::Type::AddMenuToMenubar:
post_event(client, make<WSAPIAddMenuToMenubarRequest>(client_id, message.menu.menubar_id, message.menu.menu_id));
break;
case WSAPI_ClientMessage::Type::CreateMenu:
ASSERT(message.text_length < (ssize_t)sizeof(message.text));
post_event(client, make<WSAPICreateMenuRequest>(client_id, String(message.text, message.text_length)));
break;
case WSAPI_ClientMessage::Type::PopupMenu:
post_event(client, make<WSAPIPopupMenuRequest>(client_id, message.menu.menu_id, message.menu.position));
break;
case WSAPI_ClientMessage::Type::DismissMenu:
post_event(client, make<WSAPIDismissMenuRequest>(client_id, message.menu.menu_id));
break;
case WSAPI_ClientMessage::Type::SetWindowIcon:
ASSERT(message.text_length < (ssize_t)sizeof(message.text));
post_event(client, make<WSAPISetWindowIconRequest>(client_id, message.window_id, String(message.text, message.text_length)));
break;
case WSAPI_ClientMessage::Type::DestroyMenu:
post_event(client, make<WSAPIDestroyMenuRequest>(client_id, message.menu.menu_id));
break;
case WSAPI_ClientMessage::Type::AddMenuItem:
ASSERT(message.text_length < (ssize_t)sizeof(message.text));
ASSERT(message.menu.shortcut_text_length < (ssize_t)sizeof(message.menu.shortcut_text));
post_event(client, make<WSAPIAddMenuItemRequest>(client_id, message.menu.menu_id, message.menu.identifier, String(message.text, message.text_length), String(message.menu.shortcut_text, message.menu.shortcut_text_length), message.menu.enabled));
break;
case WSAPI_ClientMessage::Type::UpdateMenuItem:
ASSERT(message.text_length < (ssize_t)sizeof(message.text));
ASSERT(message.menu.shortcut_text_length < (ssize_t)sizeof(message.menu.shortcut_text));
post_event(client, make<WSAPIUpdateMenuItemRequest>(client_id, message.menu.menu_id, message.menu.identifier, String(message.text, message.text_length), String(message.menu.shortcut_text, message.menu.shortcut_text_length), message.menu.enabled));
break;
case WSAPI_ClientMessage::Type::AddMenuSeparator:
post_event(client, make<WSAPIAddMenuSeparatorRequest>(client_id, message.menu.menu_id));
break;
case WSAPI_ClientMessage::Type::CreateWindow:
ASSERT(message.text_length < (ssize_t)sizeof(message.text));
post_event(client, make<WSAPICreateWindowRequest>(client_id, message.window.rect, String(message.text, message.text_length), message.window.has_alpha_channel, message.window.modal, message.window.resizable, message.window.opacity, message.window.base_size, message.window.size_increment, from_api(message.window.type), Color::from_rgba(message.window.background_color)));
break;
case WSAPI_ClientMessage::Type::DestroyWindow:
post_event(client, make<WSAPIDestroyWindowRequest>(client_id, message.window_id));
break;
case WSAPI_ClientMessage::Type::SetWindowTitle:
ASSERT(message.text_length < (ssize_t)sizeof(message.text));
post_event(client, make<WSAPISetWindowTitleRequest>(client_id, message.window_id, String(message.text, message.text_length)));
break;
case WSAPI_ClientMessage::Type::GetWindowTitle:
ASSERT(message.text_length < (ssize_t)sizeof(message.text));
post_event(client, make<WSAPIGetWindowTitleRequest>(client_id, message.window_id));
break;
case WSAPI_ClientMessage::Type::SetWindowRect:
post_event(client, make<WSAPISetWindowRectRequest>(client_id, message.window_id, message.window.rect));
break;
case WSAPI_ClientMessage::Type::GetWindowRect:
post_event(client, make<WSAPIGetWindowRectRequest>(client_id, message.window_id));
break;
case WSAPI_ClientMessage::Type::SetClipboardContents:
post_event(client, make<WSAPISetClipboardContentsRequest>(client_id, message.clipboard.shared_buffer_id, message.clipboard.contents_size));
break;
case WSAPI_ClientMessage::Type::GetClipboardContents:
post_event(client, make<WSAPIGetClipboardContentsRequest>(client_id));
break;
case WSAPI_ClientMessage::Type::InvalidateRect:
post_event(client, make<WSAPIInvalidateRectRequest>(client_id, message.window_id, message.window.rect));
break;
case WSAPI_ClientMessage::Type::DidFinishPainting:
post_event(client, make<WSAPIDidFinishPaintingNotification>(client_id, message.window_id, message.window.rect));
break;
case WSAPI_ClientMessage::Type::GetWindowBackingStore:
post_event(client, make<WSAPIGetWindowBackingStoreRequest>(client_id, message.window_id));
break;
case WSAPI_ClientMessage::Type::SetWindowBackingStore:
post_event(client, make<WSAPISetWindowBackingStoreRequest>(client_id, message.window_id, message.backing.shared_buffer_id, message.backing.size, message.backing.bpp, message.backing.pitch, message.backing.has_alpha_channel, message.backing.flush_immediately));
break;
case WSAPI_ClientMessage::Type::SetGlobalCursorTracking:
post_event(client, make<WSAPISetGlobalCursorTrackingRequest>(client_id, message.window_id, message.value));
break;
case WSAPI_ClientMessage::Type::SetWallpaper:
ASSERT(message.text_length < (ssize_t)sizeof(message.text));
post_event(client, make<WSAPISetWallpaperRequest>(client_id, String(message.text, message.text_length)));
break;
case WSAPI_ClientMessage::Type::GetWallpaper:
post_event(client, make<WSAPIGetWallpaperRequest>(client_id));
break;
case WSAPI_ClientMessage::Type::SetWindowOverrideCursor:
post_event(client, make<WSAPISetWindowOverrideCursorRequest>(client_id, message.window_id, (WSStandardCursor)message.cursor.cursor));
break;
case WSAPI_ClientMessage::Type::WM_SetActiveWindow:
post_event(client, make<WSWMAPISetActiveWindowRequest>(client_id, message.wm.client_id, message.wm.window_id));
break;
default:
break;
}
}
void WSEventLoop::add_file_descriptors_for_select(fd_set& fds, int& max_fd_added)
{
auto add_fd_to_set = [&max_fd_added] (int fd, auto& set) {
FD_SET(fd, &set);
if (fd > max_fd_added)
max_fd_added = fd;
};
add_fd_to_set(m_keyboard_fd, fds);
add_fd_to_set(m_mouse_fd, fds);
add_fd_to_set(m_server_fd, fds);
WSClientConnection::for_each_client([&] (WSClientConnection& client) {
add_fd_to_set(client.fd(), fds);
});
}
void WSEventLoop::process_file_descriptors_after_select(const fd_set& fds)
{
if (FD_ISSET(m_server_fd, &fds))
drain_server();
if (FD_ISSET(m_keyboard_fd, &fds))
drain_keyboard();
if (FD_ISSET(m_mouse_fd, &fds))
drain_mouse();
WSClientConnection::for_each_client([&] (WSClientConnection& client) {
if (!FD_ISSET(client.fd(), &fds))
return;
unsigned messages_received = 0;
for (;;) {
WSAPI_ClientMessage message;
// FIXME: Don't go one message at a time, that's so much context switching, oof.
ssize_t nread = read(client.fd(), &message, sizeof(WSAPI_ClientMessage));
if (nread == 0) {
if (!messages_received)
notify_client_disconnected(client.client_id());
break;
}
if (nread < 0) {
perror("read");
ASSERT_NOT_REACHED();
}
on_receive_from_client(client.client_id(), message);
++messages_received;
}
});
}