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https://github.com/RGBCube/serenity
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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
parent
de184d0999
commit
94a5e08faf
17 changed files with 191 additions and 191 deletions
284
Servers/WindowServer/WSEventLoop.cpp
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284
Servers/WindowServer/WSEventLoop.cpp
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#include <WindowServer/WSEventLoop.h>
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#include <WindowServer/WSEvent.h>
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#include <LibCore/CObject.h>
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#include <WindowServer/WSWindowManager.h>
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#include <WindowServer/WSScreen.h>
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#include <WindowServer/WSClientConnection.h>
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#include <WindowServer/WSAPITypes.h>
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#include <WindowServer/WSCursor.h>
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#include <Kernel/KeyCode.h>
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#include <Kernel/MousePacket.h>
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#include <sys/socket.h>
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#include <sys/select.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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#include <fcntl.h>
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#include <stdio.h>
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#include <errno.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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m_server_fd = socket(AF_LOCAL, SOCK_STREAM | SOCK_NONBLOCK | SOCK_CLOEXEC, 0);
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ASSERT(m_server_fd >= 0);
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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_fd, (const sockaddr*)&address, sizeof(address));
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ASSERT(rc == 0);
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rc = listen(m_server_fd, 5);
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ASSERT(rc == 0);
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ASSERT(m_keyboard_fd >= 0);
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ASSERT(m_mouse_fd >= 0);
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}
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WSEventLoop::~WSEventLoop()
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{
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}
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WSEventLoop& WSEventLoop::the()
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{
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return static_cast<WSEventLoop&>(CEventLoop::current());
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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_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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new WSClientConnection(client_fd);
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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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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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if (buttons != prev_buttons) {
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screen.on_receive_mouse_data(dx, dy, buttons);
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dx = 0;
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dy = 0;
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prev_buttons = buttons;
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}
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}
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if (dx || dy)
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screen.on_receive_mouse_data(dx, dy, 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, (byte*)&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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void WSEventLoop::notify_client_disconnected(int client_id)
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{
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auto* client = WSClientConnection::from_client_id(client_id);
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if (!client)
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return;
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post_event(*client, make<WSClientDisconnectedNotification>(client_id));
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}
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static WSWindowType from_api(WSAPI_WindowType api_type)
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{
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switch (api_type) {
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case WSAPI_WindowType::Normal:
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return WSWindowType::Normal;
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case WSAPI_WindowType::Menu:
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return WSWindowType::Menu;
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case WSAPI_WindowType::WindowSwitcher:
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return WSWindowType::WindowSwitcher;
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case WSAPI_WindowType::Taskbar:
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return WSWindowType::Taskbar;
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case WSAPI_WindowType::Tooltip:
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return WSWindowType::Tooltip;
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default:
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ASSERT_NOT_REACHED();
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}
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}
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void WSEventLoop::on_receive_from_client(int client_id, const WSAPI_ClientMessage& message)
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{
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WSClientConnection& client = *WSClientConnection::from_client_id(client_id);
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switch (message.type) {
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case WSAPI_ClientMessage::Type::Greeting:
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client.set_client_pid(message.greeting.client_pid);
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break;
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case WSAPI_ClientMessage::Type::CreateMenubar:
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post_event(client, make<WSAPICreateMenubarRequest>(client_id));
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break;
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case WSAPI_ClientMessage::Type::DestroyMenubar:
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post_event(client, make<WSAPIDestroyMenubarRequest>(client_id, message.menu.menubar_id));
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break;
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case WSAPI_ClientMessage::Type::SetApplicationMenubar:
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post_event(client, make<WSAPISetApplicationMenubarRequest>(client_id, message.menu.menubar_id));
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break;
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case WSAPI_ClientMessage::Type::AddMenuToMenubar:
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post_event(client, make<WSAPIAddMenuToMenubarRequest>(client_id, message.menu.menubar_id, message.menu.menu_id));
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break;
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case WSAPI_ClientMessage::Type::CreateMenu:
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ASSERT(message.text_length < (ssize_t)sizeof(message.text));
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post_event(client, make<WSAPICreateMenuRequest>(client_id, String(message.text, message.text_length)));
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break;
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case WSAPI_ClientMessage::Type::PopupMenu:
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post_event(client, make<WSAPIPopupMenuRequest>(client_id, message.menu.menu_id, message.menu.position));
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break;
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case WSAPI_ClientMessage::Type::DismissMenu:
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post_event(client, make<WSAPIDismissMenuRequest>(client_id, message.menu.menu_id));
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break;
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case WSAPI_ClientMessage::Type::SetWindowIcon:
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ASSERT(message.text_length < (ssize_t)sizeof(message.text));
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post_event(client, make<WSAPISetWindowIconRequest>(client_id, message.window_id, String(message.text, message.text_length)));
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break;
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case WSAPI_ClientMessage::Type::DestroyMenu:
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post_event(client, make<WSAPIDestroyMenuRequest>(client_id, message.menu.menu_id));
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break;
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case WSAPI_ClientMessage::Type::AddMenuItem:
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ASSERT(message.text_length < (ssize_t)sizeof(message.text));
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ASSERT(message.menu.shortcut_text_length < (ssize_t)sizeof(message.menu.shortcut_text));
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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));
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break;
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case WSAPI_ClientMessage::Type::UpdateMenuItem:
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ASSERT(message.text_length < (ssize_t)sizeof(message.text));
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ASSERT(message.menu.shortcut_text_length < (ssize_t)sizeof(message.menu.shortcut_text));
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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));
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break;
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case WSAPI_ClientMessage::Type::AddMenuSeparator:
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post_event(client, make<WSAPIAddMenuSeparatorRequest>(client_id, message.menu.menu_id));
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break;
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case WSAPI_ClientMessage::Type::CreateWindow:
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ASSERT(message.text_length < (ssize_t)sizeof(message.text));
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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)));
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break;
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case WSAPI_ClientMessage::Type::DestroyWindow:
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post_event(client, make<WSAPIDestroyWindowRequest>(client_id, message.window_id));
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break;
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case WSAPI_ClientMessage::Type::SetWindowTitle:
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ASSERT(message.text_length < (ssize_t)sizeof(message.text));
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post_event(client, make<WSAPISetWindowTitleRequest>(client_id, message.window_id, String(message.text, message.text_length)));
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break;
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case WSAPI_ClientMessage::Type::GetWindowTitle:
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ASSERT(message.text_length < (ssize_t)sizeof(message.text));
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post_event(client, make<WSAPIGetWindowTitleRequest>(client_id, message.window_id));
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break;
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case WSAPI_ClientMessage::Type::SetWindowRect:
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post_event(client, make<WSAPISetWindowRectRequest>(client_id, message.window_id, message.window.rect));
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break;
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case WSAPI_ClientMessage::Type::GetWindowRect:
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post_event(client, make<WSAPIGetWindowRectRequest>(client_id, message.window_id));
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break;
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case WSAPI_ClientMessage::Type::SetClipboardContents:
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post_event(client, make<WSAPISetClipboardContentsRequest>(client_id, message.clipboard.shared_buffer_id, message.clipboard.contents_size));
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break;
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case WSAPI_ClientMessage::Type::GetClipboardContents:
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post_event(client, make<WSAPIGetClipboardContentsRequest>(client_id));
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break;
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case WSAPI_ClientMessage::Type::InvalidateRect:
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post_event(client, make<WSAPIInvalidateRectRequest>(client_id, message.window_id, message.window.rect));
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break;
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case WSAPI_ClientMessage::Type::DidFinishPainting:
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post_event(client, make<WSAPIDidFinishPaintingNotification>(client_id, message.window_id, message.window.rect));
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break;
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case WSAPI_ClientMessage::Type::GetWindowBackingStore:
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post_event(client, make<WSAPIGetWindowBackingStoreRequest>(client_id, message.window_id));
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break;
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case WSAPI_ClientMessage::Type::SetWindowBackingStore:
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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));
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break;
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case WSAPI_ClientMessage::Type::SetGlobalCursorTracking:
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post_event(client, make<WSAPISetGlobalCursorTrackingRequest>(client_id, message.window_id, message.value));
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break;
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case WSAPI_ClientMessage::Type::SetWallpaper:
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ASSERT(message.text_length < (ssize_t)sizeof(message.text));
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post_event(client, make<WSAPISetWallpaperRequest>(client_id, String(message.text, message.text_length)));
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break;
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case WSAPI_ClientMessage::Type::GetWallpaper:
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post_event(client, make<WSAPIGetWallpaperRequest>(client_id));
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break;
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case WSAPI_ClientMessage::Type::SetWindowOverrideCursor:
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post_event(client, make<WSAPISetWindowOverrideCursorRequest>(client_id, message.window_id, (WSStandardCursor)message.cursor.cursor));
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break;
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case WSAPI_ClientMessage::Type::WM_SetActiveWindow:
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post_event(client, make<WSWMAPISetActiveWindowRequest>(client_id, message.wm.client_id, message.wm.window_id));
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break;
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default:
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break;
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}
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}
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void WSEventLoop::add_file_descriptors_for_select(fd_set& fds, int& max_fd_added)
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{
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auto add_fd_to_set = [&max_fd_added] (int fd, auto& set) {
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FD_SET(fd, &set);
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if (fd > max_fd_added)
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max_fd_added = fd;
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};
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add_fd_to_set(m_keyboard_fd, fds);
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add_fd_to_set(m_mouse_fd, fds);
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add_fd_to_set(m_server_fd, fds);
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WSClientConnection::for_each_client([&] (WSClientConnection& client) {
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add_fd_to_set(client.fd(), fds);
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});
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}
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void WSEventLoop::process_file_descriptors_after_select(const fd_set& fds)
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{
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if (FD_ISSET(m_server_fd, &fds))
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drain_server();
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if (FD_ISSET(m_keyboard_fd, &fds))
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drain_keyboard();
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if (FD_ISSET(m_mouse_fd, &fds))
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drain_mouse();
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WSClientConnection::for_each_client([&] (WSClientConnection& client) {
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if (!FD_ISSET(client.fd(), &fds))
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return;
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unsigned messages_received = 0;
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for (;;) {
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WSAPI_ClientMessage message;
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// FIXME: Don't go one message at a time, that's so much context switching, oof.
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ssize_t nread = read(client.fd(), &message, sizeof(WSAPI_ClientMessage));
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if (nread == 0) {
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if (!messages_received)
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notify_client_disconnected(client.client_id());
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break;
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}
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if (nread < 0) {
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perror("read");
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ASSERT_NOT_REACHED();
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}
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on_receive_from_client(client.client_id(), message);
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++messages_received;
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}
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});
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}
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