WindowServer: Move classes into WindowServer namespace

Also remove the leading WS from names and filenames.

34 files changed, 1238 insertions, 1119 deletions

diff --git a/Servers/WindowServer/WSButton.cpp b/Servers/WindowServer/Button.cpp
index fd901fd6e7..449ce083e0 100644
--- a/Servers/WindowServer/WSButton.cpp
+++ b/Servers/WindowServer/Button.cpp
@@ -27,24 +27,26 @@
 #include <LibGfx/CharacterBitmap.h>
 #include <LibGfx/Painter.h>
 #include <LibGfx/StylePainter.h>
-#include <WindowServer/WSButton.h>
-#include <WindowServer/WSEvent.h>
-#include <WindowServer/WSWindowManager.h>
+#include <WindowServer/Button.h>
+#include <WindowServer/Event.h>
+#include <WindowServer/WindowManager.h>
 
-WSButton::WSButton(WSWindowFrame& frame, NonnullRefPtr<Gfx::CharacterBitmap>&& bitmap, Function<void(WSButton&)>&& on_click_handler)
+namespace WindowServer {
+
+Button::Button(WindowFrame& frame, NonnullRefPtr<Gfx::CharacterBitmap>&& bitmap, Function<void(Button&)>&& on_click_handler)
     : on_click(move(on_click_handler))
     , m_frame(frame)
     , m_bitmap(move(bitmap))
 {
 }
 
-WSButton::~WSButton()
+Button::~Button()
 {
 }
 
-void WSButton::paint(Gfx::Painter& painter)
+void Button::paint(Gfx::Painter& painter)
 {
-    auto palette = WSWindowManager::the().palette();
+    auto palette = WindowManager::the().palette();
     Gfx::PainterStateSaver saver(painter);
     painter.translate(relative_rect().location());
     Gfx::StylePainter::paint_button(painter, rect(), palette, Gfx::ButtonStyle::Normal, m_pressed, m_hovered);
@@ -55,18 +57,18 @@ void WSButton::paint(Gfx::Painter& painter)
     painter.draw_bitmap(x_location, *m_bitmap, palette.button_text());
 }
 
-void WSButton::on_mouse_event(const WSMouseEvent& event)
+void Button::on_mouse_event(const MouseEvent& event)
 {
-    auto& wm = WSWindowManager::the();
+    auto& wm = WindowManager::the();
 
-    if (event.type() == WSEvent::MouseDown && event.button() == MouseButton::Left) {
+    if (event.type() == Event::MouseDown && event.button() == MouseButton::Left) {
         m_pressed = true;
         wm.set_cursor_tracking_button(this);
         wm.invalidate(screen_rect());
         return;
     }
 
-    if (event.type() == WSEvent::MouseUp && event.button() == MouseButton::Left) {
+    if (event.type() == Event::MouseUp && event.button() == MouseButton::Left) {
         if (wm.cursor_tracking_button() != this)
             return;
         wm.set_cursor_tracking_button(nullptr);
@@ -81,7 +83,7 @@ void WSButton::on_mouse_event(const WSMouseEvent& event)
         return;
     }
 
-    if (event.type() == WSEvent::MouseMove) {
+    if (event.type() == Event::MouseMove) {
         bool old_hovered = m_hovered;
         m_hovered = rect().contains(event.position());
         wm.set_hovered_button(m_hovered ? this : nullptr);
@@ -89,7 +91,7 @@ void WSButton::on_mouse_event(const WSMouseEvent& event)
             wm.invalidate(screen_rect());
     }
 
-    if (event.type() == WSEvent::MouseMove && event.buttons() & (unsigned)MouseButton::Left) {
+    if (event.type() == Event::MouseMove && event.buttons() & (unsigned)MouseButton::Left) {
         if (wm.cursor_tracking_button() != this)
             return;
         bool old_pressed = m_pressed;
@@ -99,7 +101,9 @@ void WSButton::on_mouse_event(const WSMouseEvent& event)
     }
 }
 
-Gfx::Rect WSButton::screen_rect() const
+Gfx::Rect Button::screen_rect() const
 {
     return m_relative_rect.translated(m_frame.rect().location());
 }
+
+}
diff --git a/Servers/WindowServer/WSButton.h b/Servers/WindowServer/Button.h
index ac25210bdc..8bb1ed5b9b 100644
--- a/Servers/WindowServer/WSButton.h
+++ b/Servers/WindowServer/Button.h
@@ -36,13 +36,15 @@ class CharacterBitmap;
 class Painter;
 }
 
-class WSMouseEvent;
-class WSWindowFrame;
+namespace WindowServer {
 
-class WSButton : public Weakable<WSButton> {
+class MouseEvent;
+class WindowFrame;
+
+class Button : public Weakable<Button> {
 public:
-    WSButton(WSWindowFrame&, NonnullRefPtr<Gfx::CharacterBitmap>&&, Function<void(WSButton&)>&& on_click_handler);
-    ~WSButton();
+    Button(WindowFrame&, NonnullRefPtr<Gfx::CharacterBitmap>&&, Function<void(Button&)>&& on_click_handler);
+    ~Button();
 
     Gfx::Rect relative_rect() const { return m_relative_rect; }
     void set_relative_rect(const Gfx::Rect& rect) { m_relative_rect = rect; }
@@ -52,19 +54,21 @@ public:
 
     void paint(Gfx::Painter&);
 
-    void on_mouse_event(const WSMouseEvent&);
+    void on_mouse_event(const MouseEvent&);
 
-    Function<void(WSButton&)> on_click;
+    Function<void(Button&)> on_click;
 
     bool is_visible() const { return m_visible; }
 
     void set_bitmap(const Gfx::CharacterBitmap& bitmap) { m_bitmap = bitmap; }
 
 private:
-    WSWindowFrame& m_frame;
+    WindowFrame& m_frame;
     Gfx::Rect m_relative_rect;
     NonnullRefPtr<Gfx::CharacterBitmap> m_bitmap;
     bool m_pressed { false };
     bool m_visible { true };
     bool m_hovered { false };
 };
+
+}
diff --git a/Servers/WindowServer/WSClientConnection.cpp b/Servers/WindowServer/ClientConnection.cpp
index 8ac8598f01..47c6377c28 100644
--- a/Servers/WindowServer/WSClientConnection.cpp
+++ b/Servers/WindowServer/ClientConnection.cpp
@@ -27,26 +27,28 @@
 #include <AK/SharedBuffer.h>
 #include <LibGfx/Bitmap.h>
 #include <LibGfx/SystemTheme.h>
-#include <WindowServer/WSClientConnection.h>
-#include <WindowServer/WSClipboard.h>
-#include <WindowServer/WSCompositor.h>
-#include <WindowServer/WSEventLoop.h>
-#include <WindowServer/WSMenu.h>
-#include <WindowServer/WSMenuBar.h>
-#include <WindowServer/WSMenuItem.h>
-#include <WindowServer/WSScreen.h>
-#include <WindowServer/WSWindow.h>
-#include <WindowServer/WSWindowManager.h>
-#include <WindowServer/WSWindowSwitcher.h>
+#include <WindowServer/ClientConnection.h>
+#include <WindowServer/Clipboard.h>
+#include <WindowServer/Compositor.h>
+#include <WindowServer/EventLoop.h>
+#include <WindowServer/Menu.h>
+#include <WindowServer/MenuBar.h>
+#include <WindowServer/MenuItem.h>
+#include <WindowServer/Screen.h>
+#include <WindowServer/Window.h>
 #include <WindowServer/WindowClientEndpoint.h>
+#include <WindowServer/WindowManager.h>
+#include <WindowServer/WindowSwitcher.h>
 #include <errno.h>
 #include <serenity.h>
 #include <stdio.h>
 #include <unistd.h>
 
-HashMap<int, NonnullRefPtr<WSClientConnection>>* s_connections;
+namespace WindowServer {
 
-void WSClientConnection::for_each_client(Function<void(WSClientConnection&)> callback)
+HashMap<int, NonnullRefPtr<ClientConnection>>* s_connections;
+
+void ClientConnection::for_each_client(Function<void(ClientConnection&)> callback)
 {
     if (!s_connections)
         return;
@@ -55,7 +57,7 @@ void WSClientConnection::for_each_client(Function<void(WSClientConnection&)> cal
     }
 }
 
-WSClientConnection* WSClientConnection::from_client_id(int client_id)
+ClientConnection* ClientConnection::from_client_id(int client_id)
 {
     if (!s_connections)
         return nullptr;
@@ -65,48 +67,48 @@ WSClientConnection* WSClientConnection::from_client_id(int client_id)
     return (*it).value.ptr();
 }
 
-WSClientConnection::WSClientConnection(Core::LocalSocket& client_socket, int client_id)
+ClientConnection::ClientConnection(Core::LocalSocket& client_socket, int client_id)
     : IPC::ClientConnection<WindowServerEndpoint>(*this, client_socket, client_id)
 {
     if (!s_connections)
-        s_connections = new HashMap<int, NonnullRefPtr<WSClientConnection>>;
+        s_connections = new HashMap<int, NonnullRefPtr<ClientConnection>>;
     s_connections->set(client_id, *this);
 }
 
-WSClientConnection::~WSClientConnection()
+ClientConnection::~ClientConnection()
 {
-    WSMenuManager::the().close_all_menus_from_client({}, *this);
+    MenuManager::the().close_all_menus_from_client({}, *this);
     auto windows = move(m_windows);
     for (auto& window : windows)
         window.value->detach_client({});
 }
 
-void WSClientConnection::die()
+void ClientConnection::die()
 {
     deferred_invoke([this](auto&) {
         s_connections->remove(client_id());
     });
 }
 
-void WSClientConnection::notify_about_new_screen_rect(const Gfx::Rect& rect)
+void ClientConnection::notify_about_new_screen_rect(const Gfx::Rect& rect)
 {
     post_message(WindowClient::ScreenRectChanged(rect));
 }
 
-void WSClientConnection::notify_about_clipboard_contents_changed()
+void ClientConnection::notify_about_clipboard_contents_changed()
 {
-    post_message(WindowClient::ClipboardContentsChanged(WSClipboard::the().data_type()));
+    post_message(WindowClient::ClipboardContentsChanged(Clipboard::the().data_type()));
 }
 
-OwnPtr<WindowServer::CreateMenubarResponse> WSClientConnection::handle(const WindowServer::CreateMenubar&)
+OwnPtr<WindowServer::CreateMenubarResponse> ClientConnection::handle(const WindowServer::CreateMenubar&)
 {
     int menubar_id = m_next_menubar_id++;
-    auto menubar = make<WSMenuBar>(*this, menubar_id);
+    auto menubar = make<MenuBar>(*this, menubar_id);
     m_menubars.set(menubar_id, move(menubar));
     return make<WindowServer::CreateMenubarResponse>(menubar_id);
 }
 
-OwnPtr<WindowServer::DestroyMenubarResponse> WSClientConnection::handle(const WindowServer::DestroyMenubar& message)
+OwnPtr<WindowServer::DestroyMenubarResponse> ClientConnection::handle(const WindowServer::DestroyMenubar& message)
 {
     int menubar_id = message.menubar_id();
     auto it = m_menubars.find(menubar_id);
@@ -115,20 +117,20 @@ OwnPtr<WindowServer::DestroyMenubarResponse> WSClientConnection::handle(const Wi
         return nullptr;
     }
     auto& menubar = *(*it).value;
-    WSMenuManager::the().close_menubar(menubar);
+    MenuManager::the().close_menubar(menubar);
     m_menubars.remove(it);
     return make<WindowServer::DestroyMenubarResponse>();
 }
 
-OwnPtr<WindowServer::CreateMenuResponse> WSClientConnection::handle(const WindowServer::CreateMenu& message)
+OwnPtr<WindowServer::CreateMenuResponse> ClientConnection::handle(const WindowServer::CreateMenu& message)
 {
     int menu_id = m_next_menu_id++;
-    auto menu = WSMenu::construct(this, menu_id, message.menu_title());
+    auto menu = Menu::construct(this, menu_id, message.menu_title());
     m_menus.set(menu_id, move(menu));
     return make<WindowServer::CreateMenuResponse>(menu_id);
 }
 
-OwnPtr<WindowServer::DestroyMenuResponse> WSClientConnection::handle(const WindowServer::DestroyMenu& message)
+OwnPtr<WindowServer::DestroyMenuResponse> ClientConnection::handle(const WindowServer::DestroyMenu& message)
 {
     int menu_id = message.menu_id();
     auto it = m_menus.find(menu_id);
@@ -143,7 +145,7 @@ OwnPtr<WindowServer::DestroyMenuResponse> WSClientConnection::handle(const Windo
     return make<WindowServer::DestroyMenuResponse>();
 }
 
-OwnPtr<WindowServer::SetApplicationMenubarResponse> WSClientConnection::handle(const WindowServer::SetApplicationMenubar& message)
+OwnPtr<WindowServer::SetApplicationMenubarResponse> ClientConnection::handle(const WindowServer::SetApplicationMenubar& message)
 {
     int menubar_id = message.menubar_id();
     auto it = m_menubars.find(menubar_id);
@@ -153,11 +155,11 @@ OwnPtr<WindowServer::SetApplicationMenubarResponse> WSClientConnection::handle(c
     }
     auto& menubar = *(*it).value;
     m_app_menubar = menubar.make_weak_ptr();
-    WSWindowManager::the().notify_client_changed_app_menubar(*this);
+    WindowManager::the().notify_client_changed_app_menubar(*this);
     return make<WindowServer::SetApplicationMenubarResponse>();
 }
 
-OwnPtr<WindowServer::AddMenuToMenubarResponse> WSClientConnection::handle(const WindowServer::AddMenuToMenubar& message)
+OwnPtr<WindowServer::AddMenuToMenubarResponse> ClientConnection::handle(const WindowServer::AddMenuToMenubar& message)
 {
     int menubar_id = message.menubar_id();
     int menu_id = message.menu_id();
@@ -177,7 +179,7 @@ OwnPtr<WindowServer::AddMenuToMenubarResponse> WSClientConnection::handle(const
     return make<WindowServer::AddMenuToMenubarResponse>();
 }
 
-OwnPtr<WindowServer::AddMenuItemResponse> WSClientConnection::handle(const WindowServer::AddMenuItem& message)
+OwnPtr<WindowServer::AddMenuItemResponse> ClientConnection::handle(const WindowServer::AddMenuItem& message)
 {
     int menu_id = message.menu_id();
     unsigned identifier = message.identifier();
@@ -187,7 +189,7 @@ OwnPtr<WindowServer::AddMenuItemResponse> WSClientConnection::handle(const Windo
         return nullptr;
     }
     auto& menu = *(*it).value;
-    auto menu_item = make<WSMenuItem>(menu, identifier, message.text(), message.shortcut(), message.enabled(), message.checkable(), message.checked());
+    auto menu_item = make<MenuItem>(menu, identifier, message.text(), message.shortcut(), message.enabled(), message.checkable(), message.checked());
     if (message.icon_buffer_id() != -1) {
         auto icon_buffer = SharedBuffer::create_from_shared_buffer_id(message.icon_buffer_id());
         if (!icon_buffer)
@@ -202,7 +204,7 @@ OwnPtr<WindowServer::AddMenuItemResponse> WSClientConnection::handle(const Windo
     return make<WindowServer::AddMenuItemResponse>();
 }
 
-OwnPtr<WindowServer::PopupMenuResponse> WSClientConnection::handle(const WindowServer::PopupMenu& message)
+OwnPtr<WindowServer::PopupMenuResponse> ClientConnection::handle(const WindowServer::PopupMenu& message)
 {
     int menu_id = message.menu_id();
     auto position = message.screen_position();
@@ -216,7 +218,7 @@ OwnPtr<WindowServer::PopupMenuResponse> WSClientConnection::handle(const WindowS
     return make<WindowServer::PopupMenuResponse>();
 }
 
-OwnPtr<WindowServer::DismissMenuResponse> WSClientConnection::handle(const WindowServer::DismissMenu& message)
+OwnPtr<WindowServer::DismissMenuResponse> ClientConnection::handle(const WindowServer::DismissMenu& message)
 {
     int menu_id = message.menu_id();
     auto it = m_menus.find(menu_id);
@@ -229,7 +231,7 @@ OwnPtr<WindowServer::DismissMenuResponse> WSClientConnection::handle(const Windo
     return make<WindowServer::DismissMenuResponse>();
 }
 
-OwnPtr<WindowServer::UpdateMenuItemResponse> WSClientConnection::handle(const WindowServer::UpdateMenuItem& message)
+OwnPtr<WindowServer::UpdateMenuItemResponse> ClientConnection::handle(const WindowServer::UpdateMenuItem& message)
 {
     int menu_id = message.menu_id();
     auto it = m_menus.find(menu_id);
@@ -252,7 +254,7 @@ OwnPtr<WindowServer::UpdateMenuItemResponse> WSClientConnection::handle(const Wi
     return make<WindowServer::UpdateMenuItemResponse>();
 }
 
-OwnPtr<WindowServer::AddMenuSeparatorResponse> WSClientConnection::handle(const WindowServer::AddMenuSeparator& message)
+OwnPtr<WindowServer::AddMenuSeparatorResponse> ClientConnection::handle(const WindowServer::AddMenuSeparator& message)
 {
     int menu_id = message.menu_id();
     auto it = m_menus.find(menu_id);
@@ -261,22 +263,22 @@ OwnPtr<WindowServer::AddMenuSeparatorResponse> WSClientConnection::handle(const
         return nullptr;
     }
     auto& menu = *(*it).value;
-    menu.add_item(make<WSMenuItem>(menu, WSMenuItem::Separator));
+    menu.add_item(make<MenuItem>(menu, MenuItem::Separator));
     return make<WindowServer::AddMenuSeparatorResponse>();
 }
 
-OwnPtr<WindowServer::MoveWindowToFrontResponse> WSClientConnection::handle(const WindowServer::MoveWindowToFront& message)
+OwnPtr<WindowServer::MoveWindowToFrontResponse> ClientConnection::handle(const WindowServer::MoveWindowToFront& message)
 {
     auto it = m_windows.find(message.window_id());
     if (it == m_windows.end()) {
         did_misbehave("MoveWindowToFront: Bad window ID");
         return nullptr;
     }
-    WSWindowManager::the().move_to_front_and_make_active(*(*it).value);
+    WindowManager::the().move_to_front_and_make_active(*(*it).value);
     return make<WindowServer::MoveWindowToFrontResponse>();
 }
 
-OwnPtr<WindowServer::SetFullscreenResponse> WSClientConnection::handle(const WindowServer::SetFullscreen& message)
+OwnPtr<WindowServer::SetFullscreenResponse> ClientConnection::handle(const WindowServer::SetFullscreen& message)
 {
     auto it = m_windows.find(message.window_id());
     if (it == m_windows.end()) {
@@ -287,7 +289,7 @@ OwnPtr<WindowServer::SetFullscreenResponse> WSClientConnection::handle(const Win
     return make<WindowServer::SetFullscreenResponse>();
 }
 
-OwnPtr<WindowServer::SetWindowOpacityResponse> WSClientConnection::handle(const WindowServer::SetWindowOpacity& message)
+OwnPtr<WindowServer::SetWindowOpacityResponse> ClientConnection::handle(const WindowServer::SetWindowOpacity& message)
 {
     auto it = m_windows.find(message.window_id());
     if (it == m_windows.end()) {
@@ -298,25 +300,25 @@ OwnPtr<WindowServer::SetWindowOpacityResponse> WSClientConnection::handle(const
     return make<WindowServer::SetWindowOpacityResponse>();
 }
 
-void WSClientConnection::handle(const WindowServer::AsyncSetWallpaper& message)
+void ClientConnection::handle(const WindowServer::AsyncSetWallpaper& message)
 {
-    WSCompositor::the().set_wallpaper(message.path(), [&](bool success) {
+    Compositor::the().set_wallpaper(message.path(), [&](bool success) {
         post_message(WindowClient::AsyncSetWallpaperFinished(success));
     });
 }
 
-OwnPtr<WindowServer::GetWallpaperResponse> WSClientConnection::handle(const WindowServer::GetWallpaper&)
+OwnPtr<WindowServer::GetWallpaperResponse> ClientConnection::handle(const WindowServer::GetWallpaper&)
 {
-    return make<WindowServer::GetWallpaperResponse>(WSCompositor::the().wallpaper_path());
+    return make<WindowServer::GetWallpaperResponse>(Compositor::the().wallpaper_path());
 }
 
-OwnPtr<WindowServer::SetResolutionResponse> WSClientConnection::handle(const WindowServer::SetResolution& message)
+OwnPtr<WindowServer::SetResolutionResponse> ClientConnection::handle(const WindowServer::SetResolution& message)
 {
-    WSWindowManager::the().set_resolution(message.resolution().width(), message.resolution().height());
+    WindowManager::the().set_resolution(message.resolution().width(), message.resolution().height());
     return make<WindowServer::SetResolutionResponse>();
 }
 
-OwnPtr<WindowServer::SetWindowTitleResponse> WSClientConnection::handle(const WindowServer::SetWindowTitle& message)
+OwnPtr<WindowServer::SetWindowTitleResponse> ClientConnection::handle(const WindowServer::SetWindowTitle& message)
 {
     auto it = m_windows.find(message.window_id());
     if (it == m_windows.end()) {
@@ -327,7 +329,7 @@ OwnPtr<WindowServer::SetWindowTitleResponse> WSClientConnection::handle(const Wi
     return make<WindowServer::SetWindowTitleResponse>();
 }
 
-OwnPtr<WindowServer::GetWindowTitleResponse> WSClientConnection::handle(const WindowServer::GetWindowTitle& message)
+OwnPtr<WindowServer::GetWindowTitleResponse> ClientConnection::handle(const WindowServer::GetWindowTitle& message)
 {
     auto it = m_windows.find(message.window_id());
     if (it == m_windows.end()) {
@@ -337,7 +339,7 @@ OwnPtr<WindowServer::GetWindowTitleResponse> WSClientConnection::handle(const Wi
     return make<WindowServer::GetWindowTitleResponse>(it->value->title());
 }
 
-OwnPtr<WindowServer::SetWindowIconBitmapResponse> WSClientConnection::handle(const WindowServer::SetWindowIconBitmap& message)
+OwnPtr<WindowServer::SetWindowIconBitmapResponse> ClientConnection::handle(const WindowServer::SetWindowIconBitmap& message)
 {
     auto it = m_windows.find(message.window_id());
     if (it == m_windows.end()) {
@@ -355,11 +357,11 @@ OwnPtr<WindowServer::SetWindowIconBitmapResponse> WSClientConnection::handle(con
     }
 
     window.frame().invalidate_title_bar();
-    WSWindowManager::the().tell_wm_listeners_window_icon_changed(window);
+    WindowManager::the().tell_wm_listeners_window_icon_changed(window);
     return make<WindowServer::SetWindowIconBitmapResponse>();
 }
 
-OwnPtr<WindowServer::SetWindowRectResponse> WSClientConnection::handle(const WindowServer::SetWindowRect& message)
+OwnPtr<WindowServer::SetWindowRectResponse> ClientConnection::handle(const WindowServer::SetWindowRect& message)
 {
     int window_id = message.window_id();
     auto it = m_windows.find(window_id);
@@ -369,7 +371,7 @@ OwnPtr<WindowServer::SetWindowRectResponse> WSClientConnection::handle(const Win
     }
     auto& window = *(*it).value;
     if (window.is_fullscreen()) {
-        dbg() << "WSClientConnection: Ignoring SetWindowRect request for fullscreen window";
+        dbg() << "ClientConnection: Ignoring SetWindowRect request for fullscreen window";
         return nullptr;
     }
     window.set_rect(message.rect());
@@ -377,7 +379,7 @@ OwnPtr<WindowServer::SetWindowRectResponse> WSClientConnection::handle(const Win
     return make<WindowServer::SetWindowRectResponse>();
 }
 
-OwnPtr<WindowServer::GetWindowRectResponse> WSClientConnection::handle(const WindowServer::GetWindowRect& message)
+OwnPtr<WindowServer::GetWindowRectResponse> ClientConnection::handle(const WindowServer::GetWindowRect& message)
 {
     int window_id = message.window_id();
     auto it = m_windows.find(window_id);
@@ -388,20 +390,20 @@ OwnPtr<WindowServer::GetWindowRectResponse> WSClientConnection::handle(const Win
     return make<WindowServer::GetWindowRectResponse>(it->value->rect());
 }
 
-OwnPtr<WindowServer::SetClipboardContentsResponse> WSClientConnection::handle(const WindowServer::SetClipboardContents& message)
+OwnPtr<WindowServer::SetClipboardContentsResponse> ClientConnection::handle(const WindowServer::SetClipboardContents& message)
 {
     auto shared_buffer = SharedBuffer::create_from_shared_buffer_id(message.shared_buffer_id());
     if (!shared_buffer) {
         did_misbehave("SetClipboardContents: Bad shared buffer ID");
         return nullptr;
     }
-    WSClipboard::the().set_data(*shared_buffer, message.content_size(), message.content_type());
+    Clipboard::the().set_data(*shared_buffer, message.content_size(), message.content_type());
     return make<WindowServer::SetClipboardContentsResponse>();
 }
 
-OwnPtr<WindowServer::GetClipboardContentsResponse> WSClientConnection::handle(const WindowServer::GetClipboardContents&)
+OwnPtr<WindowServer::GetClipboardContentsResponse> ClientConnection::handle(const WindowServer::GetClipboardContents&)
 {
-    auto& clipboard = WSClipboard::the();
+    auto& clipboard = Clipboard::the();
 
     i32 shared_buffer_id = -1;
     if (clipboard.size()) {
@@ -422,10 +424,10 @@ OwnPtr<WindowServer::GetClipboardContentsResponse> WSClientConnection::handle(co
     return make<WindowServer::GetClipboardContentsResponse>(shared_buffer_id, clipboard.size(), clipboard.data_type());
 }
 
-OwnPtr<WindowServer::CreateWindowResponse> WSClientConnection::handle(const WindowServer::CreateWindow& message)
+OwnPtr<WindowServer::CreateWindowResponse> ClientConnection::handle(const WindowServer::CreateWindow& message)
 {
     int window_id = m_next_window_id++;
-    auto window = WSWindow::construct(*this, (WSWindowType)message.type(), window_id, message.modal(), message.minimizable(), message.resizable(), message.fullscreen());
+    auto window = Window::construct(*this, (WindowType)message.type(), window_id, message.modal(), message.minimizable(), message.resizable(), message.fullscreen());
     window->set_has_alpha_channel(message.has_alpha_channel());
     window->set_title(message.title());
     if (!message.fullscreen())
@@ -435,13 +437,13 @@ OwnPtr<WindowServer::CreateWindowResponse> WSClientConnection::handle(const Wind
     window->set_size_increment(message.size_increment());
     window->set_base_size(message.base_size());
     window->invalidate();
-    if (window->type() == WSWindowType::MenuApplet)
-        WSMenuManager::the().add_applet(*window);
+    if (window->type() == WindowType::MenuApplet)
+        MenuManager::the().add_applet(*window);
     m_windows.set(window_id, move(window));
     return make<WindowServer::CreateWindowResponse>(window_id);
 }
 
-OwnPtr<WindowServer::DestroyWindowResponse> WSClientConnection::handle(const WindowServer::DestroyWindow& message)
+OwnPtr<WindowServer::DestroyWindowResponse> ClientConnection::handle(const WindowServer::DestroyWindow& message)
 {
     auto it = m_windows.find(message.window_id());
     if (it == m_windows.end()) {
@@ -450,10 +452,10 @@ OwnPtr<WindowServer::DestroyWindowResponse> WSClientConnection::handle(const Win
     }
     auto& window = *(*it).value;
 
-    if (window.type() == WSWindowType::MenuApplet)
-        WSMenuManager::the().remove_applet(window);
+    if (window.type() == WindowType::MenuApplet)
+        MenuManager::the().remove_applet(window);
 
-    WSWindowManager::the().invalidate(window);
+    WindowManager::the().invalidate(window);
     remove_child(window);
     ASSERT(it->value.ptr() == &window);
     m_windows.remove(message.window_id());
@@ -461,7 +463,7 @@ OwnPtr<WindowServer::DestroyWindowResponse> WSClientConnection::handle(const Win
     return make<WindowServer::DestroyWindowResponse>();
 }
 
-void WSClientConnection::post_paint_message(WSWindow& window)
+void ClientConnection::post_paint_message(Window& window)
 {
     auto rect_set = window.take_pending_paint_rects();
     if (window.is_minimized() || window.is_occluded())
@@ -470,7 +472,7 @@ void WSClientConnection::post_paint_message(WSWindow& window)
     post_message(WindowClient::Paint(window.window_id(), window.size(), rect_set.rects()));
 }
 
-void WSClientConnection::handle(const WindowServer::InvalidateRect& message)
+void ClientConnection::handle(const WindowServer::InvalidateRect& message)
 {
     auto it = m_windows.find(message.window_id());
     if (it == m_windows.end()) {
@@ -482,7 +484,7 @@ void WSClientConnection::handle(const WindowServer::InvalidateRect& message)
         window.request_update(message.rects()[i].intersected({ {}, window.size() }));
 }
 
-void WSClientConnection::handle(const WindowServer::DidFinishPainting& message)
+void ClientConnection::handle(const WindowServer::DidFinishPainting& message)
 {
     int window_id = message.window_id();
     auto it = m_windows.find(window_id);
@@ -492,12 +494,12 @@ void WSClientConnection::handle(const WindowServer::DidFinishPainting& message)
     }
     auto& window = *(*it).value;
     for (auto& rect : message.rects())
-        WSWindowManager::the().invalidate(window, rect);
+        WindowManager::the().invalidate(window, rect);
 
-    WSWindowSwitcher::the().refresh_if_needed();
+    WindowSwitcher::the().refresh_if_needed();
 }
 
-OwnPtr<WindowServer::SetWindowBackingStoreResponse> WSClientConnection::handle(const WindowServer::SetWindowBackingStore& message)
+OwnPtr<WindowServer::SetWindowBackingStoreResponse> ClientConnection::handle(const WindowServer::SetWindowBackingStore& message)
 {
     int window_id = message.window_id();
     auto it = m_windows.find(window_id);
@@ -525,7 +527,7 @@ OwnPtr<WindowServer::SetWindowBackingStoreResponse> WSClientConnection::handle(c
     return make<WindowServer::SetWindowBackingStoreResponse>();
 }
 
-OwnPtr<WindowServer::SetGlobalCursorTrackingResponse> WSClientConnection::handle(const WindowServer::SetGlobalCursorTracking& message)
+OwnPtr<WindowServer::SetGlobalCursorTrackingResponse> ClientConnection::handle(const WindowServer::SetGlobalCursorTracking& message)
 {
     int window_id = message.window_id();
     auto it = m_windows.find(window_id);
@@ -537,7 +539,7 @@ OwnPtr<WindowServer::SetGlobalCursorTrackingResponse> WSClientConnection::handle
     return make<WindowServer::SetGlobalCursorTrackingResponse>();
 }
 
-OwnPtr<WindowServer::SetWindowOverrideCursorResponse> WSClientConnection::handle(const WindowServer::SetWindowOverrideCursor& message)
+OwnPtr<WindowServer::SetWindowOverrideCursorResponse> ClientConnection::handle(const WindowServer::SetWindowOverrideCursor& message)
 {
     auto it = m_windows.find(message.window_id());
     if (it == m_windows.end()) {
@@ -545,11 +547,11 @@ OwnPtr<WindowServer::SetWindowOverrideCursorResponse> WSClientConnection::handle
         return nullptr;
     }
     auto& window = *(*it).value;
-    window.set_override_cursor(WSCursor::create((WSStandardCursor)message.cursor_type()));
+    window.set_override_cursor(Cursor::create((StandardCursor)message.cursor_type()));
     return make<WindowServer::SetWindowOverrideCursorResponse>();
 }
 
-OwnPtr<WindowServer::SetWindowHasAlphaChannelResponse> WSClientConnection::handle(const WindowServer::SetWindowHasAlphaChannel& message)
+OwnPtr<WindowServer::SetWindowHasAlphaChannelResponse> ClientConnection::handle(const WindowServer::SetWindowHasAlphaChannel& message)
 {
     auto it = m_windows.find(message.window_id());
     if (it == m_windows.end()) {
@@ -560,9 +562,9 @@ OwnPtr<WindowServer::SetWindowHasAlphaChannelResponse> WSClientConnection::handl
     return make<WindowServer::SetWindowHasAlphaChannelResponse>();
 }
 
-void WSClientConnection::handle(const WindowServer::WM_SetActiveWindow& message)
+void ClientConnection::handle(const WindowServer::WM_SetActiveWindow& message)
 {
-    auto* client = WSClientConnection::from_client_id(message.client_id());
+    auto* client = ClientConnection::from_client_id(message.client_id());
     if (!client) {
         did_misbehave("WM_SetActiveWindow: Bad client ID");
         return;
@@ -574,12 +576,12 @@ void WSClientConnection::handle(const WindowServer::WM_SetActiveWindow& message)
     }
     auto& window = *(*it).value;
     window.set_minimized(false);
-    WSWindowManager::the().move_to_front_and_make_active(window);
+    WindowManager::the().move_to_front_and_make_active(window);
 }
 
-void WSClientConnection::handle(const WindowServer::WM_PopupWindowMenu& message)
+void ClientConnection::handle(const WindowServer::WM_PopupWindowMenu& message)
 {
-    auto* client = WSClientConnection::from_client_id(message.client_id());
+    auto* client = ClientConnection::from_client_id(message.client_id());
     if (!client) {
         did_misbehave("WM_PopupWindowMenu: Bad client ID");
         return;
@@ -593,9 +595,9 @@ void WSClientConnection::handle(const WindowServer::WM_PopupWindowMenu& message)
     window.popup_window_menu(message.screen_position());
 }
 
-void WSClientConnection::handle(const WindowServer::WM_StartWindowResize& request)
+void ClientConnection::handle(const WindowServer::WM_StartWindowResize& request)
 {
-    auto* client = WSClientConnection::from_client_id(request.client_id());
+    auto* client = ClientConnection::from_client_id(request.client_id());
     if (!client) {
         did_misbehave("WM_StartWindowResize: Bad client ID");
         return;
@@ -608,12 +610,12 @@ void WSClientConnection::handle(const WindowServer::WM_StartWindowResize& reques
     auto& window = *(*it).value;
     // FIXME: We are cheating a bit here by using the current cursor location and hard-coding the left button.
     //        Maybe the client should be allowed to specify what initiated this request?
-    WSWindowManager::the().start_window_resize(window, WSScreen::the().cursor_location(), MouseButton::Left);
+    WindowManager::the().start_window_resize(window, Screen::the().cursor_location(), MouseButton::Left);
 }
 
-void WSClientConnection::handle(const WindowServer::WM_SetWindowMinimized& message)
+void ClientConnection::handle(const WindowServer::WM_SetWindowMinimized& message)
 {
-    auto* client = WSClientConnection::from_client_id(message.client_id());
+    auto* client = ClientConnection::from_client_id(message.client_id());
     if (!client) {
         did_misbehave("WM_SetWindowMinimized: Bad client ID");
         return;
@@ -627,12 +629,12 @@ void WSClientConnection::handle(const WindowServer::WM_SetWindowMinimized& messa
     window.set_minimized(message.minimized());
 }
 
-OwnPtr<WindowServer::GreetResponse> WSClientConnection::handle(const WindowServer::Greet&)
+OwnPtr<WindowServer::GreetResponse> ClientConnection::handle(const WindowServer::Greet&)
 {
-    return make<WindowServer::GreetResponse>(client_id(), WSScreen::the().rect(), Gfx::current_system_theme_buffer_id());
+    return make<WindowServer::GreetResponse>(client_id(), Screen::the().rect(), Gfx::current_system_theme_buffer_id());
 }
 
-bool WSClientConnection::is_showing_modal_window() const
+bool ClientConnection::is_showing_modal_window() const
 {
     for (auto& it : m_windows) {
         auto& window = *it.value;
@@ -642,9 +644,9 @@ bool WSClientConnection::is_showing_modal_window() const
     return false;
 }
 
-void WSClientConnection::handle(const WindowServer::WM_SetWindowTaskbarRect& message)
+void ClientConnection::handle(const WindowServer::WM_SetWindowTaskbarRect& message)
 {
-    auto* client = WSClientConnection::from_client_id(message.client_id());
+    auto* client = ClientConnection::from_client_id(message.client_id());
     if (!client) {
         did_misbehave("WM_SetWindowTaskbarRect: Bad client ID");
         return;
@@ -658,9 +660,9 @@ void WSClientConnection::handle(const WindowServer::WM_SetWindowTaskbarRect& mes
     window.set_taskbar_rect(message.rect());
 }
 
-OwnPtr<WindowServer::StartDragResponse> WSClientConnection::handle(const WindowServer::StartDrag& message)
+OwnPtr<WindowServer::StartDragResponse> ClientConnection::handle(const WindowServer::StartDrag& message)
 {
-    auto& wm = WSWindowManager::the();
+    auto& wm = WindowManager::the();
     if (wm.dnd_client())
         return make<WindowServer::StartDragResponse>(false);
 
@@ -679,14 +681,16 @@ OwnPtr<WindowServer::StartDragResponse> WSClientConnection::handle(const WindowS
     return make<WindowServer::StartDragResponse>(true);
 }
 
-void WSClientConnection::boost()
+void ClientConnection::boost()
 {
     if (set_process_boost(client_pid(), 10) < 0)
         perror("boost: set_process_boost");
 }
 
-void WSClientConnection::deboost()
+void ClientConnection::deboost()
 {
     if (set_process_boost(client_pid(), 0) < 0)
         perror("deboost: set_process_boost");
 }
+
+}
diff --git a/Servers/WindowServer/WSClientConnection.h b/Servers/WindowServer/ClientConnection.h
index 06906c1e78..d7edde8f8b 100644
--- a/Servers/WindowServer/WSClientConnection.h
+++ b/Servers/WindowServer/ClientConnection.h
@@ -33,45 +33,47 @@
 #include <LibCore/Object.h>
 #include <LibGfx/Bitmap.h>
 #include <LibIPC/ClientConnection.h>
-#include <WindowServer/WSEvent.h>
+#include <WindowServer/Event.h>
 #include <WindowServer/WindowServerEndpoint.h>
 
-class WSWindow;
-class WSMenu;
-class WSMenuBar;
+namespace WindowServer {
 
-class WSClientConnection final
+class Window;
+class Menu;
+class MenuBar;
+
+class ClientConnection final
     : public IPC::ClientConnection<WindowServerEndpoint>
     , public WindowServerEndpoint {
-    C_OBJECT(WSClientConnection)
+    C_OBJECT(ClientConnection)
 public:
-    ~WSClientConnection() override;
+    ~ClientConnection() override;
     virtual void die() override;
 
     void boost();
     void deboost();
 
-    static WSClientConnection* from_client_id(int client_id);
-    static void for_each_client(Function<void(WSClientConnection&)>);
+    static ClientConnection* from_client_id(int client_id);
+    static void for_each_client(Function<void(ClientConnection&)>);
 
-    WSMenuBar* app_menubar() { return m_app_menubar.ptr(); }
+    MenuBar* app_menubar() { return m_app_menubar.ptr(); }
 
     bool is_showing_modal_window() const;
 
     void notify_about_new_screen_rect(const Gfx::Rect&);
     void notify_about_clipboard_contents_changed();
-    void post_paint_message(WSWindow&);
+    void post_paint_message(Window&);
 
-    WSMenu* find_menu_by_id(int menu_id)
+    Menu* find_menu_by_id(int menu_id)
     {
         auto menu = m_menus.get(menu_id);
         if (!menu.has_value())
             return nullptr;
-        return const_cast<WSMenu*>(menu.value().ptr());
+        return const_cast<Menu*>(menu.value().ptr());
     }
 
 private:
-    explicit WSClientConnection(Core::LocalSocket&, int client_id);
+    explicit ClientConnection(Core::LocalSocket&, int client_id);
 
     virtual OwnPtr<WindowServer::GreetResponse> handle(const WindowServer::Greet&) override;
     virtual OwnPtr<WindowServer::CreateMenubarResponse> handle(const WindowServer::CreateMenubar&) override;
@@ -113,10 +115,10 @@ private:
     virtual void handle(const WindowServer::WM_SetWindowTaskbarRect&) override;
     virtual OwnPtr<WindowServer::StartDragResponse> handle(const WindowServer::StartDrag&) override;
 
-    HashMap<int, NonnullRefPtr<WSWindow>> m_windows;
-    HashMap<int, NonnullOwnPtr<WSMenuBar>> m_menubars;
-    HashMap<int, NonnullRefPtr<WSMenu>> m_menus;
-    WeakPtr<WSMenuBar> m_app_menubar;
+    HashMap<int, NonnullRefPtr<Window>> m_windows;
+    HashMap<int, NonnullOwnPtr<MenuBar>> m_menubars;
+    HashMap<int, NonnullRefPtr<Menu>> m_menus;
+    WeakPtr<MenuBar> m_app_menubar;
 
     int m_next_menubar_id { 10000 };
     int m_next_menu_id { 20000 };
@@ -124,3 +126,5 @@ private:
 
     RefPtr<SharedBuffer> m_last_sent_clipboard_content;
 };
+
+}
diff --git a/Servers/WindowServer/WSClipboard.cpp b/Servers/WindowServer/Clipboard.cpp
index 2dadb514e5..4d9db8b4bc 100644
--- a/Servers/WindowServer/WSClipboard.cpp
+++ b/Servers/WindowServer/Clipboard.cpp
@@ -24,47 +24,49 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <WindowServer/WSClipboard.h>
+#include <WindowServer/Clipboard.h>
 
-WSClipboard& WSClipboard::the()
+namespace WindowServer {
+
+Clipboard& Clipboard::the()
 {
-    static WSClipboard* s_the;
+    static Clipboard* s_the;
     if (!s_the)
-        s_the = new WSClipboard;
+        s_the = new Clipboard;
     return *s_the;
 }
 
-WSClipboard::WSClipboard()
+Clipboard::Clipboard()
 {
 }
 
-WSClipboard::~WSClipboard()
+Clipboard::~Clipboard()
 {
 }
 
-const u8* WSClipboard::data() const
+const u8* Clipboard::data() const
 {
     if (!m_shared_buffer)
         return nullptr;
     return (const u8*)m_shared_buffer->data();
 }
 
-int WSClipboard::size() const
+int Clipboard::size() const
 {
     if (!m_shared_buffer)
         return 0;
     return m_contents_size;
 }
 
-void WSClipboard::clear()
+void Clipboard::clear()
 {
     m_shared_buffer = nullptr;
     m_contents_size = 0;
 }
 
-void WSClipboard::set_data(NonnullRefPtr<SharedBuffer>&& data, int contents_size, const String& data_type)
+void Clipboard::set_data(NonnullRefPtr<SharedBuffer>&& data, int contents_size, const String& data_type)
 {
-    dbg() << "WSClipboard::set_data <- [" << data_type << "] " << data->data() << " (" << contents_size << " bytes)";
+    dbg() << "Clipboard::set_data <- [" << data_type << "] " << data->data() << " (" << contents_size << " bytes)";
     m_shared_buffer = move(data);
     m_contents_size = contents_size;
     m_data_type = data_type;
@@ -72,3 +74,5 @@ void WSClipboard::set_data(NonnullRefPtr<SharedBuffer>&& data, int contents_size
     if (on_content_change)
         on_content_change();
 }
+
+}
diff --git a/Servers/WindowServer/WSClipboard.h b/Servers/WindowServer/Clipboard.h
index 77f807e506..6cb9140234 100644
--- a/Servers/WindowServer/WSClipboard.h
+++ b/Servers/WindowServer/Clipboard.h
@@ -30,10 +30,12 @@
 #include <AK/SharedBuffer.h>
 #include <AK/String.h>
 
-class WSClipboard {
+namespace WindowServer {
+
+class Clipboard {
 public:
-    static WSClipboard& the();
-    ~WSClipboard();
+    static Clipboard& the();
+    ~Clipboard();
 
     bool has_data() const
     {
@@ -50,9 +52,11 @@ public:
     Function<void()> on_content_change;
 
 private:
-    WSClipboard();
+    Clipboard();
 
     String m_data_type;
     RefPtr<SharedBuffer> m_shared_buffer;
     int m_contents_size { 0 };
 };
+
+}
diff --git a/Servers/WindowServer/WSCompositor.cpp b/Servers/WindowServer/Compositor.cpp
index d97724ea6d..b8c05174b3 100644
--- a/Servers/WindowServer/WSCompositor.cpp
+++ b/Servers/WindowServer/Compositor.cpp
@@ -24,21 +24,23 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include "WSCompositor.h"
-#include "WSEvent.h"
-#include "WSEventLoop.h"
-#include "WSScreen.h"
-#include "WSWindow.h"
-#include "WSWindowManager.h"
+#include "Compositor.h"
+#include "Event.h"
+#include "EventLoop.h"
+#include "Screen.h"
+#include "Window.h"
+#include "WindowManager.h"
 #include <LibGfx/Font.h>
 #include <LibGfx/Painter.h>
 #include <LibThread/BackgroundAction.h>
 
 // #define COMPOSITOR_DEBUG
 
-WSCompositor& WSCompositor::the()
+namespace WindowServer {
+
+Compositor& Compositor::the()
 {
-    static WSCompositor s_the;
+    static Compositor s_the;
     return s_the;
 }
 
@@ -55,18 +57,18 @@ WallpaperMode mode_to_enum(const String& name)
     return WallpaperMode::Simple;
 }
 
-WSCompositor::WSCompositor()
+Compositor::Compositor()
 {
     m_compose_timer = Core::Timer::construct(this);
     m_immediate_compose_timer = Core::Timer::construct(this);
 
-    m_screen_can_set_buffer = WSScreen::the().can_set_buffer();
+    m_screen_can_set_buffer = Screen::the().can_set_buffer();
 
     init_bitmaps();
 
     m_compose_timer->on_timeout = [&]() {
 #if defined(COMPOSITOR_DEBUG)
-        dbgprintf("WSCompositor: delayed frame callback: %d rects\n", m_dirty_rects.size());
+        dbgprintf("Compositor: delayed frame callback: %d rects\n", m_dirty_rects.size());
 #endif
         compose();
     };
@@ -74,7 +76,7 @@ WSCompositor::WSCompositor()
     m_compose_timer->set_interval(1000 / 60);
     m_immediate_compose_timer->on_timeout = [=]() {
 #if defined(COMPOSITOR_DEBUG)
-        dbgprintf("WSCompositor: immediate frame callback: %d rects\n", m_dirty_rects.size());
+        dbgprintf("Compositor: immediate frame callback: %d rects\n", m_dirty_rects.size());
 #endif
         compose();
     };
@@ -82,9 +84,9 @@ WSCompositor::WSCompositor()
     m_immediate_compose_timer->set_interval(0);
 }
 
-void WSCompositor::init_bitmaps()
+void Compositor::init_bitmaps()
 {
-    auto& screen = WSScreen::the();
+    auto& screen = Screen::the();
     auto size = screen.size();
 
     m_front_bitmap = Gfx::Bitmap::create_wrapper(Gfx::Bitmap::Format::RGB32, size, screen.pitch(), screen.scanline(0));
@@ -102,12 +104,12 @@ void WSCompositor::init_bitmaps()
     invalidate();
 }
 
-void WSCompositor::compose()
+void Compositor::compose()
 {
-    auto& wm = WSWindowManager::the();
+    auto& wm = WindowManager::the();
     if (m_wallpaper_mode == WallpaperMode::Unchecked)
         m_wallpaper_mode = mode_to_enum(wm.wm_config()->read_entry("Background", "Mode", "simple"));
-    auto& ws = WSScreen::the();
+    auto& ws = Screen::the();
 
     auto dirty_rects = move(m_dirty_rects);
 
@@ -116,15 +118,15 @@ void WSCompositor::compose()
         return;
     }
 
-    dirty_rects.add(Gfx::Rect::intersection(m_last_geometry_label_rect, WSScreen::the().rect()));
-    dirty_rects.add(Gfx::Rect::intersection(m_last_cursor_rect, WSScreen::the().rect()));
-    dirty_rects.add(Gfx::Rect::intersection(m_last_dnd_rect, WSScreen::the().rect()));
-    dirty_rects.add(Gfx::Rect::intersection(current_cursor_rect(), WSScreen::the().rect()));
+    dirty_rects.add(Gfx::Rect::intersection(m_last_geometry_label_rect, Screen::the().rect()));
+    dirty_rects.add(Gfx::Rect::intersection(m_last_cursor_rect, Screen::the().rect()));
+    dirty_rects.add(Gfx::Rect::intersection(m_last_dnd_rect, Screen::the().rect()));
+    dirty_rects.add(Gfx::Rect::intersection(current_cursor_rect(), Screen::the().rect()));
 #ifdef DEBUG_COUNTERS
     dbgprintf("[WM] compose #%u (%u rects)\n", ++m_compose_count, dirty_rects.rects().size());
 #endif
 
-    auto any_dirty_rect_intersects_window = [&dirty_rects](const WSWindow& window) {
+    auto any_dirty_rect_intersects_window = [&dirty_rects](const Window& window) {
         auto window_frame_rect = window.frame().rect();
         for (auto& dirty_rect : dirty_rects.rects()) {
             if (dirty_rect.intersects(window_frame_rect))
@@ -160,7 +162,7 @@ void WSCompositor::compose()
         }
     }
 
-    auto compose_window = [&](WSWindow& window) -> IterationDecision {
+    auto compose_window = [&](Window& window) -> IterationDecision {
         if (!any_dirty_rect_intersects_window(window))
             return IterationDecision::Continue;
         Gfx::PainterStateSaver saver(*m_back_painter);
@@ -188,7 +190,7 @@ void WSCompositor::compose()
             // background color.
             Gfx::Rect backing_rect;
             backing_rect.set_size(backing_store->size());
-            switch (WSWindowManager::the().resize_direction_of_window(window)) {
+            switch (WindowManager::the().resize_direction_of_window(window)) {
             case ResizeDirection::None:
             case ResizeDirection::Right:
             case ResizeDirection::Down:
@@ -212,9 +214,9 @@ void WSCompositor::compose()
             }
 
             Gfx::Rect dirty_rect_in_backing_coordinates = dirty_rect
-                                                         .intersected(window.rect())
-                                                         .intersected(backing_rect)
-                                                         .translated(-backing_rect.location());
+                                                              .intersected(window.rect())
+                                                              .intersected(backing_rect)
+                                                              .translated(-backing_rect.location());
 
             if (dirty_rect_in_backing_coordinates.is_empty())
                 continue;
@@ -231,7 +233,7 @@ void WSCompositor::compose()
     if (auto* fullscreen_window = wm.active_fullscreen_window()) {
         compose_window(*fullscreen_window);
     } else {
-        wm.for_each_visible_window_from_back_to_front([&](WSWindow& window) {
+        wm.for_each_visible_window_from_back_to_front([&](Window& window) {
             return compose_window(window);
         });
 
@@ -254,9 +256,9 @@ void WSCompositor::compose()
         flush(r);
 }
 
-void WSCompositor::flush(const Gfx::Rect& a_rect)
+void Compositor::flush(const Gfx::Rect& a_rect)
 {
-    auto rect = Gfx::Rect::intersection(a_rect, WSScreen::the().rect());
+    auto rect = Gfx::Rect::intersection(a_rect, Screen::the().rect());
 
 #ifdef DEBUG_COUNTERS
     dbgprintf("[WM] flush #%u (%d,%d %dx%d)\n", ++m_flush_count, rect.x(), rect.y(), rect.width(), rect.height());
@@ -293,15 +295,15 @@ void WSCompositor::flush(const Gfx::Rect& a_rect)
     }
 }
 
-void WSCompositor::invalidate()
+void Compositor::invalidate()
 {
     m_dirty_rects.clear_with_capacity();
-    invalidate(WSScreen::the().rect());
+    invalidate(Screen::the().rect());
 }
 
-void WSCompositor::invalidate(const Gfx::Rect& a_rect)
+void Compositor::invalidate(const Gfx::Rect& a_rect)
 {
-    auto rect = Gfx::Rect::intersection(a_rect, WSScreen::the().rect());
+    auto rect = Gfx::Rect::intersection(a_rect, Screen::the().rect());
     if (rect.is_empty())
         return;
 
@@ -323,7 +325,7 @@ void WSCompositor::invalidate(const Gfx::Rect& a_rect)
     }
 }
 
-bool WSCompositor::set_wallpaper(const String& path, Function<void(bool)>&& callback)
+bool Compositor::set_wallpaper(const String& path, Function<void(bool)>&& callback)
 {
     LibThread::BackgroundAction<RefPtr<Gfx::Bitmap>>::create(
         [path] {
@@ -343,20 +345,20 @@ bool WSCompositor::set_wallpaper(const String& path, Function<void(bool)>&& call
     return true;
 }
 
-void WSCompositor::flip_buffers()
+void Compositor::flip_buffers()
 {
     ASSERT(m_screen_can_set_buffer);
     swap(m_front_bitmap, m_back_bitmap);
     swap(m_front_painter, m_back_painter);
-    WSScreen::the().set_buffer(m_buffers_are_flipped ? 0 : 1);
+    Screen::the().set_buffer(m_buffers_are_flipped ? 0 : 1);
     m_buffers_are_flipped = !m_buffers_are_flipped;
 }
 
-void WSCompositor::run_animations()
+void Compositor::run_animations()
 {
     static const int minimize_animation_steps = 10;
 
-    WSWindowManager::the().for_each_window([&](WSWindow& window) {
+    WindowManager::the().for_each_window([&](Window& window) {
         if (window.in_minimize_animation()) {
             int animation_index = window.minimize_animation_index();
 
@@ -391,36 +393,36 @@ void WSCompositor::run_animations()
     });
 }
 
-void WSCompositor::set_resolution(int desired_width, int desired_height)
+void Compositor::set_resolution(int desired_width, int desired_height)
 {
-    auto screen_rect = WSScreen::the().rect();
+    auto screen_rect = Screen::the().rect();
     if (screen_rect.width() == desired_width && screen_rect.height() == desired_height)
         return;
 
     // Make sure it's impossible to set an invalid resolution
     ASSERT(desired_width >= 640 && desired_height >= 480);
-    WSScreen::the().set_resolution(desired_width, desired_height);
+    Screen::the().set_resolution(desired_width, desired_height);
     init_bitmaps();
     compose();
 }
 
-Gfx::Rect WSCompositor::current_cursor_rect() const
+Gfx::Rect Compositor::current_cursor_rect() const
 {
-    auto& wm = WSWindowManager::the();
-    return { WSScreen::the().cursor_location().translated(-wm.active_cursor().hotspot()), wm.active_cursor().size() };
+    auto& wm = WindowManager::the();
+    return { Screen::the().cursor_location().translated(-wm.active_cursor().hotspot()), wm.active_cursor().size() };
 }
 
-void WSCompositor::invalidate_cursor()
+void Compositor::invalidate_cursor()
 {
-    auto& wm = WSWindowManager::the();
+    auto& wm = WindowManager::the();
     if (wm.dnd_client())
         invalidate(wm.dnd_rect());
     invalidate(current_cursor_rect());
 }
 
-void WSCompositor::draw_geometry_label()
+void Compositor::draw_geometry_label()
 {
-    auto& wm = WSWindowManager::the();
+    auto& wm = WindowManager::the();
     auto* window_being_moved_or_resized = wm.m_move_window ? wm.m_move_window.ptr() : (wm.m_resize_window ? wm.m_resize_window.ptr() : nullptr);
     if (!window_being_moved_or_resized) {
         m_last_geometry_label_rect = {};
@@ -440,9 +442,9 @@ void WSCompositor::draw_geometry_label()
     m_last_geometry_label_rect = geometry_label_rect;
 }
 
-void WSCompositor::draw_cursor()
+void Compositor::draw_cursor()
 {
-    auto& wm = WSWindowManager::the();
+    auto& wm = WindowManager::the();
     Gfx::Rect cursor_rect = current_cursor_rect();
     m_back_painter->blit(cursor_rect.location(), wm.active_cursor().bitmap(), wm.active_cursor().rect());
 
@@ -464,3 +466,5 @@ void WSCompositor::draw_cursor()
     }
     m_last_cursor_rect = cursor_rect;
 }
+
+}
diff --git a/Servers/WindowServer/WSCompositor.h b/Servers/WindowServer/Compositor.h
index 380968573a..2ea441c4bf 100644
--- a/Servers/WindowServer/WSCompositor.h
+++ b/Servers/WindowServer/Compositor.h
@@ -30,14 +30,16 @@
 #include <AK/RefPtr.h>
 #include <LibCore/Object.h>
 #include <LibCore/Timer.h>
-#include <LibGfx/DisjointRectSet.h>
 #include <LibGfx/Bitmap.h>
+#include <LibGfx/DisjointRectSet.h>
 
 namespace Gfx {
 class Painter;
 }
 
-class WSCursor;
+namespace WindowServer {
+
+class Cursor;
 
 enum class WallpaperMode {
     Simple,
@@ -47,10 +49,10 @@ enum class WallpaperMode {
     Unchecked
 };
 
-class WSCompositor final : public Core::Object {
-    C_OBJECT(WSCompositor)
+class Compositor final : public Core::Object {
+    C_OBJECT(Compositor)
 public:
-    static WSCompositor& the();
+    static Compositor& the();
 
     void compose();
     void invalidate();
@@ -65,7 +67,7 @@ public:
     Gfx::Rect current_cursor_rect() const;
 
 private:
-    WSCompositor();
+    Compositor();
     void init_bitmaps();
     void flip_buffers();
     void flush(const Gfx::Rect&);
@@ -97,3 +99,5 @@ private:
     WallpaperMode m_wallpaper_mode { WallpaperMode::Unchecked };
     RefPtr<Gfx::Bitmap> m_wallpaper;
 };
+
+}
diff --git a/Servers/WindowServer/WSCursor.cpp b/Servers/WindowServer/Cursor.cpp
index fdecd63981..42e431f481 100644
--- a/Servers/WindowServer/WSCursor.cpp
+++ b/Servers/WindowServer/Cursor.cpp
@@ -24,50 +24,54 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <WindowServer/WSCursor.h>
-#include <WindowServer/WSWindowManager.h>
+#include <WindowServer/Cursor.h>
+#include <WindowServer/WindowManager.h>
 
-WSCursor::WSCursor(NonnullRefPtr<Gfx::Bitmap>&& bitmap, const Gfx::Point& hotspot)
+namespace WindowServer {
+
+Cursor::Cursor(NonnullRefPtr<Gfx::Bitmap>&& bitmap, const Gfx::Point& hotspot)
     : m_bitmap(move(bitmap))
     , m_hotspot(hotspot)
 {
 }
 
-WSCursor::~WSCursor()
+Cursor::~Cursor()
 {
 }
 
-NonnullRefPtr<WSCursor> WSCursor::create(NonnullRefPtr<Gfx::Bitmap>&& bitmap)
+NonnullRefPtr<Cursor> Cursor::create(NonnullRefPtr<Gfx::Bitmap>&& bitmap)
 {
-    return adopt(*new WSCursor(move(bitmap), bitmap->rect().center()));
+    return adopt(*new Cursor(move(bitmap), bitmap->rect().center()));
 }
 
-NonnullRefPtr<WSCursor> WSCursor::create(NonnullRefPtr<Gfx::Bitmap>&& bitmap, const Gfx::Point& hotspot)
+NonnullRefPtr<Cursor> Cursor::create(NonnullRefPtr<Gfx::Bitmap>&& bitmap, const Gfx::Point& hotspot)
 {
-    return adopt(*new WSCursor(move(bitmap), hotspot));
+    return adopt(*new Cursor(move(bitmap), hotspot));
 }
 
-RefPtr<WSCursor> WSCursor::create(WSStandardCursor standard_cursor)
+RefPtr<Cursor> Cursor::create(StandardCursor standard_cursor)
 {
     switch (standard_cursor) {
-    case WSStandardCursor::None:
+    case StandardCursor::None:
         return nullptr;
-    case WSStandardCursor::Arrow:
-        return WSWindowManager::the().arrow_cursor();
-    case WSStandardCursor::IBeam:
-        return WSWindowManager::the().i_beam_cursor();
-    case WSStandardCursor::ResizeHorizontal:
-        return WSWindowManager::the().resize_horizontally_cursor();
-    case WSStandardCursor::ResizeVertical:
-        return WSWindowManager::the().resize_vertically_cursor();
-    case WSStandardCursor::ResizeDiagonalTLBR:
-        return WSWindowManager::the().resize_diagonally_tlbr_cursor();
-    case WSStandardCursor::ResizeDiagonalBLTR:
-        return WSWindowManager::the().resize_diagonally_bltr_cursor();
-    case WSStandardCursor::Hand:
-        return WSWindowManager::the().hand_cursor();
-    case WSStandardCursor::Drag:
-        return WSWindowManager::the().drag_cursor();
+    case StandardCursor::Arrow:
+        return WindowManager::the().arrow_cursor();
+    case StandardCursor::IBeam:
+        return WindowManager::the().i_beam_cursor();
+    case StandardCursor::ResizeHorizontal:
+        return WindowManager::the().resize_horizontally_cursor();
+    case StandardCursor::ResizeVertical:
+        return WindowManager::the().resize_vertically_cursor();
+    case StandardCursor::ResizeDiagonalTLBR:
+        return WindowManager::the().resize_diagonally_tlbr_cursor();
+    case StandardCursor::ResizeDiagonalBLTR:
+        return WindowManager::the().resize_diagonally_bltr_cursor();
+    case StandardCursor::Hand:
+        return WindowManager::the().hand_cursor();
+    case StandardCursor::Drag:
+        return WindowManager::the().drag_cursor();
     }
     ASSERT_NOT_REACHED();
 }
+
+}
diff --git a/Servers/WindowServer/WSCursor.h b/Servers/WindowServer/Cursor.h
index 881cd8d282..5173bd86a1 100644
--- a/Servers/WindowServer/WSCursor.h
+++ b/Servers/WindowServer/Cursor.h
@@ -28,7 +28,9 @@
 
 #include <LibGfx/Bitmap.h>
 
-enum class WSStandardCursor {
+namespace WindowServer {
+
+enum class StandardCursor {
     None = 0,
     Arrow,
     IBeam,
@@ -40,12 +42,12 @@ enum class WSStandardCursor {
     Drag,
 };
 
-class WSCursor : public RefCounted<WSCursor> {
+class Cursor : public RefCounted<Cursor> {
 public:
-    static NonnullRefPtr<WSCursor> create(NonnullRefPtr<Gfx::Bitmap>&&, const Gfx::Point& hotspot);
-    static NonnullRefPtr<WSCursor> create(NonnullRefPtr<Gfx::Bitmap>&&);
-    static RefPtr<WSCursor> create(WSStandardCursor);
-    ~WSCursor();
+    static NonnullRefPtr<Cursor> create(NonnullRefPtr<Gfx::Bitmap>&&, const Gfx::Point& hotspot);
+    static NonnullRefPtr<Cursor> create(NonnullRefPtr<Gfx::Bitmap>&&);
+    static RefPtr<Cursor> create(StandardCursor);
+    ~Cursor();
 
     Gfx::Point hotspot() const { return m_hotspot; }
     const Gfx::Bitmap& bitmap() const { return *m_bitmap; }
@@ -54,8 +56,10 @@ public:
     Gfx::Size size() const { return m_bitmap->size(); }
 
 private:
-    WSCursor(NonnullRefPtr<Gfx::Bitmap>&&, const Gfx::Point&);
+    Cursor(NonnullRefPtr<Gfx::Bitmap>&&, const Gfx::Point&);
 
     RefPtr<Gfx::Bitmap> m_bitmap;
     Gfx::Point m_hotspot;
 };
+
+}
diff --git a/Servers/WindowServer/WSEvent.h b/Servers/WindowServer/Event.h
index c4c46e06ec..8b7bd97d13 100644
--- a/Servers/WindowServer/WSEvent.h
+++ b/Servers/WindowServer/Event.h
@@ -30,10 +30,12 @@
 #include <Kernel/KeyCode.h>
 #include <LibCore/Event.h>
 #include <LibGfx/Rect.h>
-#include <WindowServer/WSCursor.h>
-#include <WindowServer/WSWindowType.h>
+#include <WindowServer/Cursor.h>
+#include <WindowServer/WindowType.h>
 
-class WSEvent : public Core::Event {
+namespace WindowServer {
+
+class Event : public Core::Event {
 public:
     enum Type {
         Invalid = 3000,
@@ -52,12 +54,12 @@ public:
         WindowResized,
     };
 
-    WSEvent() {}
-    explicit WSEvent(Type type)
+    Event() {}
+    explicit Event(Type type)
         : Core::Event(type)
     {
     }
-    virtual ~WSEvent() {}
+    virtual ~Event() {}
 
     bool is_mouse_event() const { return type() == MouseMove || type() == MouseDown || type() == MouseDoubleClick || type() == MouseUp || type() == MouseWheel; }
     bool is_key_event() const { return type() == KeyUp || type() == KeyDown; }
@@ -70,10 +72,10 @@ enum class MouseButton : u8 {
     Middle = 4,
 };
 
-class WSKeyEvent final : public WSEvent {
+class KeyEvent final : public Event {
 public:
-    WSKeyEvent(Type type, int key, char character, u8 modifiers)
-        : WSEvent(type)
+    KeyEvent(Type type, int key, char character, u8 modifiers)
+        : Event(type)
         , m_key(key)
         , m_character(character)
         , m_modifiers(modifiers)
@@ -89,17 +91,17 @@ public:
     char character() const { return m_character; }
 
 private:
-    friend class WSEventLoop;
-    friend class WSScreen;
+    friend class EventLoop;
+    friend class Screen;
     int m_key { 0 };
     char m_character { 0 };
     u8 m_modifiers { 0 };
 };
 
-class WSMouseEvent final : public WSEvent {
+class MouseEvent final : public Event {
 public:
-    WSMouseEvent(Type type, const Gfx::Point& position, unsigned buttons, MouseButton button, unsigned modifiers, int wheel_delta = 0)
-        : WSEvent(type)
+    MouseEvent(Type type, const Gfx::Point& position, unsigned buttons, MouseButton button, unsigned modifiers, int wheel_delta = 0)
+        : Event(type)
         , m_position(position)
         , m_buttons(buttons)
         , m_button(button)
@@ -116,7 +118,7 @@ public:
     unsigned modifiers() const { return m_modifiers; }
     int wheel_delta() const { return m_wheel_delta; }
 
-    WSMouseEvent translated(const Gfx::Point& delta) const { return WSMouseEvent((Type)type(), m_position.translated(delta), m_buttons, m_button, m_modifiers, m_wheel_delta); }
+    MouseEvent translated(const Gfx::Point& delta) const { return MouseEvent((Type)type(), m_position.translated(delta), m_buttons, m_button, m_modifiers, m_wheel_delta); }
 
 private:
     Gfx::Point m_position;
@@ -126,10 +128,10 @@ private:
     int m_wheel_delta { 0 };
 };
 
-class WSResizeEvent final : public WSEvent {
+class ResizeEvent final : public Event {
 public:
-    WSResizeEvent(const Gfx::Rect& old_rect, const Gfx::Rect& rect)
-        : WSEvent(WSEvent::WindowResized)
+    ResizeEvent(const Gfx::Rect& old_rect, const Gfx::Rect& rect)
+        : Event(Event::WindowResized)
         , m_old_rect(old_rect)
         , m_rect(rect)
     {
@@ -142,3 +144,5 @@ private:
     Gfx::Rect m_old_rect;
     Gfx::Rect m_rect;
 };
+
+}
diff --git a/Servers/WindowServer/WSEventLoop.cpp b/Servers/WindowServer/EventLoop.cpp
index b204a11d7e..4e7cf267ed 100644
--- a/Servers/WindowServer/WSEventLoop.cpp
+++ b/Servers/WindowServer/EventLoop.cpp
@@ -24,17 +24,17 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include "WSClipboard.h"
+#include "Clipboard.h"
 #include <Kernel/KeyCode.h>
 #include <Kernel/MousePacket.h>
 #include <LibCore/LocalSocket.h>
 #include <LibCore/Object.h>
-#include <WindowServer/WSClientConnection.h>
-#include <WindowServer/WSCursor.h>
-#include <WindowServer/WSEvent.h>
-#include <WindowServer/WSEventLoop.h>
-#include <WindowServer/WSScreen.h>
-#include <WindowServer/WSWindowManager.h>
+#include <WindowServer/ClientConnection.h>
+#include <WindowServer/Cursor.h>
+#include <WindowServer/Event.h>
+#include <WindowServer/EventLoop.h>
+#include <WindowServer/Screen.h>
+#include <WindowServer/WindowManager.h>
 #include <errno.h>
 #include <fcntl.h>
 #include <stdio.h>
@@ -46,7 +46,9 @@
 
 //#define WSMESSAGELOOP_DEBUG
 
-WSEventLoop::WSEventLoop()
+namespace WindowServer {
+
+EventLoop::EventLoop()
     : m_server(Core::LocalServer::construct())
 {
     m_keyboard_fd = open("/dev/keyboard", O_RDONLY | O_NONBLOCK | O_CLOEXEC);
@@ -63,7 +65,7 @@ WSEventLoop::WSEventLoop()
         }
         static int s_next_client_id = 0;
         int client_id = ++s_next_client_id;
-        IPC::new_client_connection<WSClientConnection>(*client_socket, client_id);
+        IPC::new_client_connection<ClientConnection>(*client_socket, client_id);
     };
 
     ASSERT(m_keyboard_fd >= 0);
@@ -75,20 +77,20 @@ WSEventLoop::WSEventLoop()
     m_mouse_notifier = Core::Notifier::construct(m_mouse_fd, Core::Notifier::Read);
     m_mouse_notifier->on_ready_to_read = [this] { drain_mouse(); };
 
-    WSClipboard::the().on_content_change = [&] {
-        WSClientConnection::for_each_client([&](auto& client) {
+    Clipboard::the().on_content_change = [&] {
+        ClientConnection::for_each_client([&](auto& client) {
             client.notify_about_clipboard_contents_changed();
         });
     };
 }
 
-WSEventLoop::~WSEventLoop()
+EventLoop::~EventLoop()
 {
 }
 
-void WSEventLoop::drain_mouse()
+void EventLoop::drain_mouse()
 {
-    auto& screen = WSScreen::the();
+    auto& screen = Screen::the();
     MousePacket state;
     state.buttons = screen.mouse_button_state();
     unsigned buttons = state.buttons;
@@ -99,7 +101,7 @@ void WSEventLoop::drain_mouse()
             break;
         ASSERT(nread == sizeof(packet));
 #ifdef WSMESSAGELOOP_DEBUG
-        dbgprintf("WSEventLoop: Mouse X %d, Y %d, Z %d, relative %d\n", packet.x, packet.y, packet.z, packet.is_relative);
+        dbgprintf("EventLoop: Mouse X %d, Y %d, Z %d, relative %d\n", packet.x, packet.y, packet.z, packet.is_relative);
 #endif
         buttons = packet.buttons;
 
@@ -117,7 +119,7 @@ void WSEventLoop::drain_mouse()
         if (buttons != state.buttons) {
             state.buttons = buttons;
 #ifdef WSMESSAGELOOP_DEBUG
-            dbgprintf("WSEventLoop: Mouse Button Event\n");
+            dbgprintf("EventLoop: Mouse Button Event\n");
 #endif
             screen.on_receive_mouse_data(state);
             if (state.is_relative) {
@@ -133,11 +135,11 @@ void WSEventLoop::drain_mouse()
         screen.on_receive_mouse_data(state);
 }
 
-void WSEventLoop::drain_keyboard()
+void EventLoop::drain_keyboard()
 {
-    auto& screen = WSScreen::the();
+    auto& screen = Screen::the();
     for (;;) {
-        KeyEvent event;
+        ::KeyEvent event;
         ssize_t nread = read(m_keyboard_fd, (u8*)&event, sizeof(KeyEvent));
         if (nread == 0)
             break;
@@ -145,3 +147,5 @@ void WSEventLoop::drain_keyboard()
         screen.on_receive_keyboard_data(event);
     }
 }
+
+}
diff --git a/Servers/WindowServer/WSEventLoop.h b/Servers/WindowServer/EventLoop.h
index 10950df928..b476b5e639 100644
--- a/Servers/WindowServer/WSEventLoop.h
+++ b/Servers/WindowServer/EventLoop.h
@@ -31,12 +31,14 @@
 #include <LibCore/LocalServer.h>
 #include <LibCore/Notifier.h>
 
-class WSClientConnection;
+namespace WindowServer {
 
-class WSEventLoop {
+class ClientConnection;
+
+class EventLoop {
 public:
-    WSEventLoop();
-    virtual ~WSEventLoop();
+    EventLoop();
+    virtual ~EventLoop();
 
     int exec() { return m_event_loop.exec(); }
 
@@ -51,3 +53,5 @@ private:
     RefPtr<Core::Notifier> m_mouse_notifier;
     RefPtr<Core::LocalServer> m_server;
 };
+
+}
diff --git a/Servers/WindowServer/Makefile b/Servers/WindowServer/Makefile
index 8310f2f6ac..4883f8802c 100644
--- a/Servers/WindowServer/Makefile
+++ b/Servers/WindowServer/Makefile
@@ -1,19 +1,19 @@
 OBJS = \
-    WSEventLoop.o \
-    WSWindow.o \
-    WSWindowManager.o \
-    WSScreen.o \
-    WSMenuBar.o \
-    WSMenu.o \
-    WSMenuItem.o \
-    WSClientConnection.o \
-    WSWindowSwitcher.o \
-    WSClipboard.o \
-    WSCursor.o \
-    WSWindowFrame.o \
-    WSButton.o \
-    WSCompositor.o \
-    WSMenuManager.o \
+    Button.o \
+    ClientConnection.o \
+    Clipboard.o \
+    Compositor.o \
+    Cursor.o \
+    EventLoop.o \
+    Menu.o \
+    MenuBar.o \
+    MenuItem.o \
+    MenuManager.o \
+    Screen.o \
+    Window.o \
+    WindowFrame.o \
+    WindowManager.o \
+    WindowSwitcher.o \
     main.o
 
 PROGRAM = WindowServer
diff --git a/Servers/WindowServer/WSMenu.cpp b/Servers/WindowServer/Menu.cpp
index 61a469ea59..966e1a2a43 100644
--- a/Servers/WindowServer/WSMenu.cpp
+++ b/Servers/WindowServer/Menu.cpp
@@ -25,24 +25,26 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include "WSMenu.h"
-#include "WSEvent.h"
-#include "WSEventLoop.h"
-#include "WSMenuItem.h"
-#include "WSMenuManager.h"
-#include "WSScreen.h"
-#include "WSWindow.h"
-#include "WSWindowManager.h"
+#include "Menu.h"
+#include "Event.h"
+#include "EventLoop.h"
+#include "MenuItem.h"
+#include "MenuManager.h"
+#include "Screen.h"
+#include "Window.h"
+#include "WindowManager.h"
+#include <LibGfx/Bitmap.h>
 #include <LibGfx/CharacterBitmap.h>
 #include <LibGfx/Font.h>
-#include <LibGfx/Bitmap.h>
 #include <LibGfx/Painter.h>
 #include <LibGfx/StylePainter.h>
 #include <LibGfx/Triangle.h>
-#include <WindowServer/WSClientConnection.h>
+#include <WindowServer/ClientConnection.h>
 #include <WindowServer/WindowClientEndpoint.h>
 
-WSMenu::WSMenu(WSClientConnection* client, int menu_id, const String& name)
+namespace WindowServer {
+
+Menu::Menu(ClientConnection* client, int menu_id, const String& name)
     : Core::Object(client)
     , m_client(client)
     , m_menu_id(menu_id)
@@ -50,11 +52,11 @@ WSMenu::WSMenu(WSClientConnection* client, int menu_id, const String& name)
 {
 }
 
-WSMenu::~WSMenu()
+Menu::~Menu()
 {
 }
 
-const Gfx::Font& WSMenu::font() const
+const Gfx::Font& Menu::font() const
 {
     return Gfx::Font::default_font();
 }
@@ -91,12 +93,12 @@ static const int s_submenu_arrow_bitmap_height = 9;
 static const int s_item_icon_width = 16;
 static const int s_stripe_width = 23;
 
-int WSMenu::content_width() const
+int Menu::content_width() const
 {
     int widest_text = 0;
     int widest_shortcut = 0;
     for (auto& item : m_items) {
-        if (item.type() != WSMenuItem::Text)
+        if (item.type() != MenuItem::Text)
             continue;
         int text_width = font().width(item.text());
         if (!item.shortcut_text().is_empty()) {
@@ -113,7 +115,7 @@ int WSMenu::content_width() const
     return max(widest_item, rect_in_menubar().width()) + horizontal_padding() + frame_thickness() * 2;
 }
 
-void WSMenu::redraw()
+void Menu::redraw()
 {
     if (!menu_window())
         return;
@@ -121,22 +123,22 @@ void WSMenu::redraw()
     menu_window()->invalidate();
 }
 
-WSWindow& WSMenu::ensure_menu_window()
+Window& Menu::ensure_menu_window()
 {
     int width = this->content_width();
     if (!m_menu_window) {
         Gfx::Point next_item_location(frame_thickness(), frame_thickness());
         for (auto& item : m_items) {
             int height = 0;
-            if (item.type() == WSMenuItem::Text)
+            if (item.type() == MenuItem::Text)
                 height = item_height();
-            else if (item.type() == WSMenuItem::Separator)
+            else if (item.type() == MenuItem::Separator)
                 height = 8;
             item.set_rect({ next_item_location, { width - frame_thickness() * 2, height } });
             next_item_location.move_by(0, height);
         }
 
-        int window_height_available = WSScreen::the().height() - WSMenuManager::the().menubar_rect().height() - frame_thickness() * 2;
+        int window_height_available = Screen::the().height() - MenuManager::the().menubar_rect().height() - frame_thickness() * 2;
         int max_window_height = (window_height_available / item_height()) * item_height() + frame_thickness() * 2;
         int content_height = m_items.is_empty() ? 0 : (m_items.last().rect().bottom() + 1) + frame_thickness();
         int window_height = min(max_window_height, content_height);
@@ -145,7 +147,7 @@ WSWindow& WSMenu::ensure_menu_window()
             m_max_scroll_offset = item_count() - window_height / item_height() + 2;
         }
 
-        auto window = WSWindow::construct(*this, WSWindowType::Menu);
+        auto window = Window::construct(*this, WindowType::Menu);
         window->set_rect(0, 0, width, window_height);
         m_menu_window = move(window);
         draw();
@@ -153,7 +155,7 @@ WSWindow& WSMenu::ensure_menu_window()
     return *m_menu_window;
 }
 
-int WSMenu::visible_item_count() const
+int Menu::visible_item_count() const
 {
     if (!is_scrollable())
         return m_items.size();
@@ -162,10 +164,10 @@ int WSMenu::visible_item_count() const
     return m_menu_window->height() / item_height() - 2;
 }
 
-void WSMenu::draw()
+void Menu::draw()
 {
-    auto palette = WSWindowManager::the().palette();
-    m_theme_index_at_last_paint = WSMenuManager::the().theme_index();
+    auto palette = WindowManager::the().palette();
+    m_theme_index_at_last_paint = MenuManager::the().theme_index();
 
     ASSERT(menu_window());
     ASSERT(menu_window()->backing_store());
@@ -203,7 +205,7 @@ void WSMenu::draw()
 
     for (int i = 0; i < visible_item_count; ++i) {
         auto& item = m_items.at(m_scroll_offset + i);
-        if (item.type() == WSMenuItem::Text) {
+        if (item.type() == MenuItem::Text) {
             Color text_color = palette.menu_base_text();
             if (&item == hovered_item() && item.is_enabled()) {
                 painter.fill_rect(item.rect(), palette.menu_selection());
@@ -248,7 +250,7 @@ void WSMenu::draw()
                 submenu_arrow_rect.center_vertically_within(item.rect());
                 painter.draw_bitmap(submenu_arrow_rect.location(), submenu_arrow_bitmap, text_color);
             }
-        } else if (item.type() == WSMenuItem::Separator) {
+        } else if (item.type() == MenuItem::Separator) {
             Gfx::Point p1(item.rect().translated(stripe_rect.width() + 4, 0).x(), item.rect().center().y() - 1);
             Gfx::Point p2(width - 7, item.rect().center().y() - 1);
             painter.draw_line(p1, p2, palette.threed_shadow1());
@@ -257,27 +259,27 @@ void WSMenu::draw()
     }
 }
 
-WSMenuItem* WSMenu::hovered_item() const
+MenuItem* Menu::hovered_item() const
 {
     if (m_hovered_item_index == -1)
         return nullptr;
-    return const_cast<WSMenuItem*>(&item(m_hovered_item_index));
+    return const_cast<MenuItem*>(&item(m_hovered_item_index));
 }
 
-void WSMenu::update_for_new_hovered_item()
+void Menu::update_for_new_hovered_item()
 {
     if (hovered_item() && hovered_item()->is_submenu()) {
-        WSMenuManager::the().close_everyone_not_in_lineage(*hovered_item()->submenu());
+        MenuManager::the().close_everyone_not_in_lineage(*hovered_item()->submenu());
         hovered_item()->submenu()->popup(hovered_item()->rect().top_right().translated(menu_window()->rect().location()), true);
     } else {
-        WSMenuManager::the().close_everyone_not_in_lineage(*this);
-        WSMenuManager::the().set_current_menu(this);
+        MenuManager::the().close_everyone_not_in_lineage(*this);
+        MenuManager::the().set_current_menu(this);
         menu_window()->set_visible(true);
     }
     redraw();
 }
 
-void WSMenu::open_hovered_item()
+void Menu::open_hovered_item()
 {
     ASSERT(menu_window());
     ASSERT(menu_window()->is_visible());
@@ -288,18 +290,18 @@ void WSMenu::open_hovered_item()
     clear_hovered_item();
 }
 
-void WSMenu::decend_into_submenu_at_hovered_item()
+void Menu::decend_into_submenu_at_hovered_item()
 {
     ASSERT(hovered_item());
     ASSERT(hovered_item()->is_submenu());
     auto submenu = hovered_item()->submenu();
     submenu->m_hovered_item_index = 0;
-    ASSERT(submenu->hovered_item()->type() != WSMenuItem::Separator);
+    ASSERT(submenu->hovered_item()->type() != MenuItem::Separator);
     submenu->update_for_new_hovered_item();
     m_in_submenu = true;
 }
 
-void WSMenu::handle_mouse_move_event(const WSMouseEvent& mouse_event)
+void Menu::handle_mouse_move_event(const MouseEvent& mouse_event)
 {
     ASSERT(menu_window());
     if (hovered_item() && hovered_item()->is_submenu()) {
@@ -327,21 +329,21 @@ void WSMenu::handle_mouse_move_event(const WSMouseEvent& mouse_event)
     return;
 }
 
-void WSMenu::event(Core::Event& event)
+void Menu::event(Core::Event& event)
 {
-    if (event.type() == WSEvent::MouseMove) {
-        handle_mouse_move_event(static_cast<const WSMouseEvent&>(event));
+    if (event.type() == Event::MouseMove) {
+        handle_mouse_move_event(static_cast<const MouseEvent&>(event));
         return;
     }
 
-    if (event.type() == WSEvent::MouseUp) {
+    if (event.type() == Event::MouseUp) {
         open_hovered_item();
         return;
     }
 
-    if (event.type() == WSEvent::MouseWheel && is_scrollable()) {
+    if (event.type() == Event::MouseWheel && is_scrollable()) {
         ASSERT(menu_window());
-        auto& mouse_event = static_cast<const WSMouseEvent&>(event);
+        auto& mouse_event = static_cast<const MouseEvent&>(event);
         m_scroll_offset += mouse_event.wheel_delta();
         m_scroll_offset = clamp(m_scroll_offset, 0, m_max_scroll_offset);
 
@@ -354,8 +356,8 @@ void WSMenu::event(Core::Event& event)
         return;
     }
 
-    if (event.type() == WSEvent::KeyDown) {
-        auto key = static_cast<WSKeyEvent&>(event).key();
+    if (event.type() == Event::KeyDown) {
+        auto key = static_cast<KeyEvent&>(event).key();
 
         if (!(key == Key_Up || key == Key_Down || key == Key_Left || key == Key_Right || key == Key_Return))
             return;
@@ -386,7 +388,7 @@ void WSMenu::event(Core::Event& event)
         }
 
         if (key == Key_Up) {
-            ASSERT(m_items.at(0).type() != WSMenuItem::Separator);
+            ASSERT(m_items.at(0).type() != MenuItem::Separator);
 
             if (is_scrollable() && m_hovered_item_index == 0)
                 return;
@@ -398,7 +400,7 @@ void WSMenu::event(Core::Event& event)
                     return;
                 else
                     --m_hovered_item_index;
-            } while (hovered_item()->type() == WSMenuItem::Separator);
+            } while (hovered_item()->type() == MenuItem::Separator);
 
             if (is_scrollable() && m_hovered_item_index < m_scroll_offset)
                 --m_scroll_offset;
@@ -408,7 +410,7 @@ void WSMenu::event(Core::Event& event)
         }
 
         if (key == Key_Down) {
-            ASSERT(m_items.at(0).type() != WSMenuItem::Separator);
+            ASSERT(m_items.at(0).type() != MenuItem::Separator);
 
             if (is_scrollable() && m_hovered_item_index == m_items.size() - 1)
                 return;
@@ -420,7 +422,7 @@ void WSMenu::event(Core::Event& event)
                     return;
                 else
                     ++m_hovered_item_index;
-            } while (hovered_item()->type() == WSMenuItem::Separator);
+            } while (hovered_item()->type() == MenuItem::Separator);
 
             if (is_scrollable() && m_hovered_item_index >= (m_scroll_offset + visible_item_count()))
                 ++m_scroll_offset;
@@ -448,7 +450,7 @@ void WSMenu::event(Core::Event& event)
     Core::Object::event(event);
 }
 
-void WSMenu::clear_hovered_item()
+void Menu::clear_hovered_item()
 {
     if (!hovered_item())
         return;
@@ -457,21 +459,21 @@ void WSMenu::clear_hovered_item()
     redraw();
 }
 
-void WSMenu::did_activate(WSMenuItem& item)
+void Menu::did_activate(MenuItem& item)
 {
-    if (item.type() == WSMenuItem::Type::Separator)
+    if (item.type() == MenuItem::Type::Separator)
         return;
 
     if (on_item_activation)
         on_item_activation(item);
 
-    WSMenuManager::the().close_bar();
+    MenuManager::the().close_bar();
 
     if (m_client)
         m_client->post_message(WindowClient::MenuItemActivated(m_menu_id, item.identifier()));
 }
 
-WSMenuItem* WSMenu::item_with_identifier(unsigned identifer)
+MenuItem* Menu::item_with_identifier(unsigned identifer)
 {
     for (auto& item : m_items) {
         if (item.identifier() == identifer)
@@ -480,7 +482,7 @@ WSMenuItem* WSMenu::item_with_identifier(unsigned identifer)
     return nullptr;
 }
 
-int WSMenu::item_index_at(const Gfx::Point& position)
+int Menu::item_index_at(const Gfx::Point& position)
 {
     int i = 0;
     for (auto& item : m_items) {
@@ -491,18 +493,18 @@ int WSMenu::item_index_at(const Gfx::Point& position)
     return -1;
 }
 
-void WSMenu::close()
+void Menu::close()
 {
-    WSMenuManager::the().close_menu_and_descendants(*this);
+    MenuManager::the().close_menu_and_descendants(*this);
 }
 
-void WSMenu::redraw_if_theme_changed()
+void Menu::redraw_if_theme_changed()
 {
-    if (m_theme_index_at_last_paint != WSMenuManager::the().theme_index())
+    if (m_theme_index_at_last_paint != MenuManager::the().theme_index())
         redraw();
 }
 
-void WSMenu::popup(const Gfx::Point& position, bool is_submenu)
+void Menu::popup(const Gfx::Point& position, bool is_submenu)
 {
     ASSERT(!is_empty());
 
@@ -512,27 +514,27 @@ void WSMenu::popup(const Gfx::Point& position, bool is_submenu)
     const int margin = 30;
     Gfx::Point adjusted_pos = position;
 
-    if (adjusted_pos.x() + window.width() >= WSScreen::the().width() - margin) {
+    if (adjusted_pos.x() + window.width() >= Screen::the().width() - margin) {
         adjusted_pos = adjusted_pos.translated(-window.width(), 0);
     }
-    if (adjusted_pos.y() + window.height() >= WSScreen::the().height() - margin) {
+    if (adjusted_pos.y() + window.height() >= Screen::the().height() - margin) {
         adjusted_pos = adjusted_pos.translated(0, -window.height());
     }
 
-    if (adjusted_pos.y() < WSMenuManager::the().menubar_rect().height())
-        adjusted_pos.set_y(WSMenuManager::the().menubar_rect().height());
+    if (adjusted_pos.y() < MenuManager::the().menubar_rect().height())
+        adjusted_pos.set_y(MenuManager::the().menubar_rect().height());
 
     window.move_to(adjusted_pos);
     window.set_visible(true);
-    WSMenuManager::the().set_current_menu(this, is_submenu);
+    MenuManager::the().set_current_menu(this, is_submenu);
 }
 
-bool WSMenu::is_menu_ancestor_of(const WSMenu& other) const
+bool Menu::is_menu_ancestor_of(const Menu& other) const
 {
     for (auto& item : m_items) {
         if (!item.is_submenu())
             continue;
-        auto& submenu = *const_cast<WSMenuItem&>(item).submenu();
+        auto& submenu = *const_cast<MenuItem&>(item).submenu();
         if (&submenu == &other)
             return true;
         if (submenu.is_menu_ancestor_of(other))
@@ -540,3 +542,5 @@ bool WSMenu::is_menu_ancestor_of(const WSMenu& other) const
     }
     return false;
 }
+
+}
diff --git a/Servers/WindowServer/WSMenu.h b/Servers/WindowServer/Menu.h
index 0601ac9bf1..f4d9bc4ff5 100644
--- a/Servers/WindowServer/WSMenu.h
+++ b/Servers/WindowServer/Menu.h
@@ -31,38 +31,40 @@
 #include <AK/WeakPtr.h>
 #include <LibCore/Object.h>
 #include <LibGfx/Rect.h>
-#include <WindowServer/WSCursor.h>
-#include <WindowServer/WSMenuItem.h>
-#include <WindowServer/WSWindow.h>
+#include <WindowServer/Cursor.h>
+#include <WindowServer/MenuItem.h>
+#include <WindowServer/Window.h>
 
 namespace Gfx {
 class Font;
 }
 
-class WSClientConnection;
-class WSMenuBar;
-class WSEvent;
+namespace WindowServer {
 
-class WSMenu final : public Core::Object {
-    C_OBJECT(WSMenu)
+class ClientConnection;
+class MenuBar;
+class Event;
+
+class Menu final : public Core::Object {
+    C_OBJECT(Menu)
 public:
-    WSMenu(WSClientConnection*, int menu_id, const String& name);
-    virtual ~WSMenu() override;
+    Menu(ClientConnection*, int menu_id, const String& name);
+    virtual ~Menu() override;
 
-    WSClientConnection* client() { return m_client; }
-    const WSClientConnection* client() const { return m_client; }
+    ClientConnection* client() { return m_client; }
+    const ClientConnection* client() const { return m_client; }
     int menu_id() const { return m_menu_id; }
 
-    WSMenuBar* menubar() { return m_menubar; }
-    const WSMenuBar* menubar() const { return m_menubar; }
-    void set_menubar(WSMenuBar* menubar) { m_menubar = menubar; }
+    MenuBar* menubar() { return m_menubar; }
+    const MenuBar* menubar() const { return m_menubar; }
+    void set_menubar(MenuBar* menubar) { m_menubar = menubar; }
 
     bool is_empty() const { return m_items.is_empty(); }
     int item_count() const { return m_items.size(); }
-    const WSMenuItem& item(int index) const { return m_items.at(index); }
-    WSMenuItem& item(int index) { return m_items.at(index); }
+    const MenuItem& item(int index) const { return m_items.at(index); }
+    MenuItem& item(int index) { return m_items.at(index); }
 
-    void add_item(NonnullOwnPtr<WSMenuItem>&& item) { m_items.append(move(item)); }
+    void add_item(NonnullOwnPtr<MenuItem>&& item) { m_items.append(move(item)); }
 
     String name() const { return m_name; }
 
@@ -79,11 +81,11 @@ public:
     Gfx::Rect rect_in_menubar() const { return m_rect_in_menubar; }
     void set_rect_in_menubar(const Gfx::Rect& rect) { m_rect_in_menubar = rect; }
 
-    WSWindow* menu_window() { return m_menu_window.ptr(); }
-    WSWindow& ensure_menu_window();
+    Window* menu_window() { return m_menu_window.ptr(); }
+    Window& ensure_menu_window();
 
-    WSWindow* window_menu_of() { return m_window_menu_of; }
-    void set_window_menu_of(WSWindow& window) { m_window_menu_of = window.make_weak_ptr(); }
+    Window* window_menu_of() { return m_window_menu_of; }
+    void set_window_menu_of(Window& window) { m_window_menu_of = window.make_weak_ptr(); }
     bool is_window_menu_open() { return m_is_window_menu_open; }
     void set_window_menu_open(bool is_open) { m_is_window_menu_open = is_open; }
 
@@ -98,19 +100,19 @@ public:
     void draw();
     const Gfx::Font& font() const;
 
-    WSMenuItem* item_with_identifier(unsigned);
+    MenuItem* item_with_identifier(unsigned);
     void redraw();
 
-    WSMenuItem* hovered_item() const;
+    MenuItem* hovered_item() const;
     void clear_hovered_item();
 
-    Function<void(WSMenuItem&)> on_item_activation;
+    Function<void(MenuItem&)> on_item_activation;
 
     void close();
 
     void popup(const Gfx::Point&, bool is_submenu = false);
 
-    bool is_menu_ancestor_of(const WSMenu&) const;
+    bool is_menu_ancestor_of(const Menu&) const;
 
     void redraw_if_theme_changed();
 
@@ -120,26 +122,26 @@ public:
 private:
     virtual void event(Core::Event&) override;
 
-    void handle_mouse_move_event(const WSMouseEvent&);
+    void handle_mouse_move_event(const MouseEvent&);
     int visible_item_count() const;
 
     int item_index_at(const Gfx::Point&);
     int padding_between_text_and_shortcut() const { return 50; }
-    void did_activate(WSMenuItem&);
+    void did_activate(MenuItem&);
     void open_hovered_item();
     void update_for_new_hovered_item();
     void decend_into_submenu_at_hovered_item();
 
-    WSClientConnection* m_client { nullptr };
+    ClientConnection* m_client { nullptr };
     int m_menu_id { 0 };
     String m_name;
     Gfx::Rect m_rect_in_menubar;
     Gfx::Rect m_text_rect_in_menubar;
-    WSMenuBar* m_menubar { nullptr };
-    NonnullOwnPtrVector<WSMenuItem> m_items;
-    RefPtr<WSWindow> m_menu_window;
+    MenuBar* m_menubar { nullptr };
+    NonnullOwnPtrVector<MenuItem> m_items;
+    RefPtr<Window> m_menu_window;
 
-    WeakPtr<WSWindow> m_window_menu_of;
+    WeakPtr<Window> m_window_menu_of;
     bool m_is_window_menu_open = { false };
     Gfx::Point m_last_position_in_hover;
     int m_theme_index_at_last_paint { -1 };
@@ -150,3 +152,5 @@ private:
     int m_scroll_offset { 0 };
     int m_max_scroll_offset { 0 };
 };
+
+}
diff --git a/Servers/WindowServer/WSMenuBar.cpp b/Servers/WindowServer/MenuBar.cpp
index 8c5bcebeab..f581ea51b7 100644
--- a/Servers/WindowServer/WSMenuBar.cpp
+++ b/Servers/WindowServer/MenuBar.cpp
@@ -24,17 +24,21 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include "WSMenuBar.h"
-#include "WSMenu.h"
-#include "WSMenuItem.h"
+#include "MenuBar.h"
+#include "Menu.h"
+#include "MenuItem.h"
 #include <LibGfx/Bitmap.h>
 
-WSMenuBar::WSMenuBar(WSClientConnection& client, int menubar_id)
+namespace WindowServer {
+
+MenuBar::MenuBar(ClientConnection& client, int menubar_id)
     : m_client(client)
     , m_menubar_id(menubar_id)
 {
 }
 
-WSMenuBar::~WSMenuBar()
+MenuBar::~MenuBar()
 {
 }
+
+}
diff --git a/Servers/WindowServer/WSMenuBar.h b/Servers/WindowServer/MenuBar.h
index 856fdf3520..e53ac5f76e 100644
--- a/Servers/WindowServer/WSMenuBar.h
+++ b/Servers/WindowServer/MenuBar.h
@@ -26,20 +26,22 @@
 
 #pragma once
 
-#include "WSMenu.h"
+#include "Menu.h"
 #include <AK/Vector.h>
 #include <AK/WeakPtr.h>
 #include <AK/Weakable.h>
 
-class WSMenuBar : public Weakable<WSMenuBar> {
+namespace WindowServer {
+
+class MenuBar : public Weakable<MenuBar> {
 public:
-    WSMenuBar(WSClientConnection& client, int menubar_id);
-    ~WSMenuBar();
+    MenuBar(ClientConnection& client, int menubar_id);
+    ~MenuBar();
 
-    WSClientConnection& client() { return m_client; }
-    const WSClientConnection& client() const { return m_client; }
+    ClientConnection& client() { return m_client; }
+    const ClientConnection& client() const { return m_client; }
     int menubar_id() const { return m_menubar_id; }
-    void add_menu(WSMenu& menu)
+    void add_menu(Menu& menu)
     {
         menu.set_menubar(this);
         m_menus.append(&menu);
@@ -55,7 +57,9 @@ public:
     }
 
 private:
-    WSClientConnection& m_client;
+    ClientConnection& m_client;
     int m_menubar_id { 0 };
-    Vector<WSMenu*> m_menus;
+    Vector<Menu*> m_menus;
 };
+
+}
diff --git a/Servers/WindowServer/WSMenuItem.cpp b/Servers/WindowServer/MenuItem.cpp
index d3a495398b..c0861ab350 100644
--- a/Servers/WindowServer/WSMenuItem.cpp
+++ b/Servers/WindowServer/MenuItem.cpp
@@ -24,13 +24,15 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include "WSMenuItem.h"
-#include "WSClientConnection.h"
-#include "WSMenu.h"
-#include "WSWindowManager.h"
+#include "MenuItem.h"
+#include "ClientConnection.h"
+#include "Menu.h"
+#include "WindowManager.h"
 #include <LibGfx/Bitmap.h>
 
-WSMenuItem::WSMenuItem(WSMenu& menu, unsigned identifier, const String& text, const String& shortcut_text, bool enabled, bool checkable, bool checked, const Gfx::Bitmap* icon)
+namespace WindowServer {
+
+MenuItem::MenuItem(Menu& menu, unsigned identifier, const String& text, const String& shortcut_text, bool enabled, bool checkable, bool checked, const Gfx::Bitmap* icon)
     : m_menu(menu)
     , m_type(Text)
     , m_enabled(enabled)
@@ -43,17 +45,17 @@ WSMenuItem::WSMenuItem(WSMenu& menu, unsigned identifier, const String& text, co
 {
 }
 
-WSMenuItem::WSMenuItem(WSMenu& menu, Type type)
+MenuItem::MenuItem(Menu& menu, Type type)
     : m_menu(menu)
     , m_type(type)
 {
 }
 
-WSMenuItem::~WSMenuItem()
+MenuItem::~MenuItem()
 {
 }
 
-void WSMenuItem::set_enabled(bool enabled)
+void MenuItem::set_enabled(bool enabled)
 {
     if (m_enabled == enabled)
         return;
@@ -61,7 +63,7 @@ void WSMenuItem::set_enabled(bool enabled)
     m_menu.redraw();
 }
 
-void WSMenuItem::set_checked(bool checked)
+void MenuItem::set_checked(bool checked)
 {
     if (m_checked == checked)
         return;
@@ -69,17 +71,19 @@ void WSMenuItem::set_checked(bool checked)
     m_menu.redraw();
 }
 
-WSMenu* WSMenuItem::submenu()
+Menu* MenuItem::submenu()
 {
     ASSERT(is_submenu());
     if (m_menu.client())
         return m_menu.client()->find_menu_by_id(m_submenu_id);
-    return WSMenuManager::the().find_internal_menu_by_id(m_submenu_id);
+    return MenuManager::the().find_internal_menu_by_id(m_submenu_id);
 }
 
-Gfx::Rect WSMenuItem::rect() const
+Gfx::Rect MenuItem::rect() const
 {
     if (!m_menu.is_scrollable())
         return m_rect;
     return m_rect.translated(0, m_menu.item_height() - (m_menu.scroll_offset() * m_menu.item_height()));
 }
+
+}
diff --git a/Servers/WindowServer/WSMenuItem.h b/Servers/WindowServer/MenuItem.h
index 6547fdb936..c85c6a5368 100644
--- a/Servers/WindowServer/WSMenuItem.h
+++ b/Servers/WindowServer/MenuItem.h
@@ -34,9 +34,11 @@ namespace Gfx {
 class Bitmap;
 }
 
-class WSMenu;
+namespace WindowServer {
 
-class WSMenuItem {
+class Menu;
+
+class MenuItem {
 public:
     enum Type {
         None,
@@ -44,9 +46,9 @@ public:
         Separator,
     };
 
-    WSMenuItem(WSMenu&, unsigned identifier, const String& text, const String& shortcut_text = {}, bool enabled = true, bool checkable = false, bool checked = false, const Gfx::Bitmap* icon = nullptr);
-    WSMenuItem(WSMenu&, Type);
-    ~WSMenuItem();
+    MenuItem(Menu&, unsigned identifier, const String& text, const String& shortcut_text = {}, bool enabled = true, bool checkable = false, bool checked = false, const Gfx::Bitmap* icon = nullptr);
+    MenuItem(Menu&, Type);
+    ~MenuItem();
 
     Type type() const { return m_type; }
 
@@ -77,13 +79,13 @@ public:
     int submenu_id() const { return m_submenu_id; }
     void set_submenu_id(int submenu_id) { m_submenu_id = submenu_id; }
 
-    WSMenu* submenu();
+    Menu* submenu();
 
     bool is_exclusive() const { return m_exclusive; }
     void set_exclusive(bool exclusive) { m_exclusive = exclusive; }
 
 private:
-    WSMenu& m_menu;
+    Menu& m_menu;
     Type m_type { None };
     bool m_enabled { true };
     bool m_checkable { false };
@@ -96,3 +98,5 @@ private:
     int m_submenu_id { -1 };
     bool m_exclusive { false };
 };
+
+}
diff --git a/Servers/WindowServer/WSMenuManager.cpp b/Servers/WindowServer/MenuManager.cpp
index 92a9cab149..46605a4e2e 100644
--- a/Servers/WindowServer/WSMenuManager.cpp
+++ b/Servers/WindowServer/MenuManager.cpp
@@ -29,22 +29,24 @@
 #include <LibCore/DirIterator.h>
 #include <LibGfx/Font.h>
 #include <LibGfx/Painter.h>
-#include <WindowServer/WSMenuManager.h>
-#include <WindowServer/WSScreen.h>
-#include <WindowServer/WSWindowManager.h>
+#include <WindowServer/MenuManager.h>
+#include <WindowServer/Screen.h>
+#include <WindowServer/WindowManager.h>
 #include <unistd.h>
 
 //#define DEBUG_MENUS
 
-static WSMenuManager* s_the;
+namespace WindowServer {
 
-WSMenuManager& WSMenuManager::the()
+static MenuManager* s_the;
+
+MenuManager& MenuManager::the()
 {
     ASSERT(s_the);
     return *s_the;
 }
 
-WSMenuManager::WSMenuManager()
+MenuManager::MenuManager()
 {
     s_the = this;
     m_username = getlogin();
@@ -74,14 +76,14 @@ WSMenuManager::WSMenuManager()
     quick_sort(sorted_app_categories.begin(), sorted_app_categories.end(), [](auto& a, auto& b) { return a < b; });
 
     u8 system_menu_name[] = { 0xc3, 0xb8, 0 };
-    m_system_menu = WSMenu::construct(nullptr, -1, String((const char*)system_menu_name));
+    m_system_menu = Menu::construct(nullptr, -1, String((const char*)system_menu_name));
 
     // First we construct all the necessary app category submenus.
     for (const auto& category : sorted_app_categories) {
 
         if (m_app_category_menus.contains(category))
             continue;
-        auto category_menu = WSMenu::construct(nullptr, 5000 + m_app_category_menus.size(), category);
+        auto category_menu = Menu::construct(nullptr, 5000 + m_app_category_menus.size(), category);
         category_menu->on_item_activation = [this](auto& item) {
             if (item.identifier() >= 1 && item.identifier() <= 1u + m_apps.size() - 1) {
                 if (fork() == 0) {
@@ -91,7 +93,7 @@ WSMenuManager::WSMenuManager()
                 }
             }
         };
-        auto item = make<WSMenuItem>(*m_system_menu, -1, category);
+        auto item = make<MenuItem>(*m_system_menu, -1, category);
         item->set_submenu_id(category_menu->menu_id());
         m_system_menu->add_item(move(item));
         m_app_category_menus.set(category, move(category_menu));
@@ -101,14 +103,14 @@ WSMenuManager::WSMenuManager()
     int app_identifier = 1;
     for (const auto& app : m_apps) {
         auto parent_menu = m_app_category_menus.get(app.category).value_or(*m_system_menu);
-        parent_menu->add_item(make<WSMenuItem>(*m_system_menu, app_identifier++, app.name, String(), true, false, false, Gfx::Bitmap::load_from_file(app.icon_path)));
+        parent_menu->add_item(make<MenuItem>(*m_system_menu, app_identifier++, app.name, String(), true, false, false, Gfx::Bitmap::load_from_file(app.icon_path)));
     }
 
-    m_system_menu->add_item(make<WSMenuItem>(*m_system_menu, WSMenuItem::Separator));
+    m_system_menu->add_item(make<MenuItem>(*m_system_menu, MenuItem::Separator));
 
-    m_themes_menu = WSMenu::construct(nullptr, 9000, "Themes");
+    m_themes_menu = Menu::construct(nullptr, 9000, "Themes");
 
-    auto themes_menu_item = make<WSMenuItem>(*m_system_menu, 100, "Themes");
+    auto themes_menu_item = make<MenuItem>(*m_system_menu, 100, "Themes");
     themes_menu_item->set_submenu_id(m_themes_menu->menu_id());
     m_system_menu->add_item(move(themes_menu_item));
 
@@ -125,24 +127,24 @@ WSMenuManager::WSMenuManager()
     {
         int theme_identifier = 9000;
         for (auto& theme : m_themes) {
-            m_themes_menu->add_item(make<WSMenuItem>(*m_themes_menu, theme_identifier++, theme.name));
+            m_themes_menu->add_item(make<MenuItem>(*m_themes_menu, theme_identifier++, theme.name));
         }
     }
 
-    m_themes_menu->on_item_activation = [this](WSMenuItem& item) {
+    m_themes_menu->on_item_activation = [this](MenuItem& item) {
         auto& theme = m_themes[(int)item.identifier() - 9000];
-        WSWindowManager::the().update_theme(theme.path, theme.name);
+        WindowManager::the().update_theme(theme.path, theme.name);
         ++m_theme_index;
     };
 
-    m_system_menu->add_item(make<WSMenuItem>(*m_system_menu, WSMenuItem::Separator));
-    m_system_menu->add_item(make<WSMenuItem>(*m_system_menu, 100, "Reload WM Config File"));
+    m_system_menu->add_item(make<MenuItem>(*m_system_menu, MenuItem::Separator));
+    m_system_menu->add_item(make<MenuItem>(*m_system_menu, 100, "Reload WM Config File"));
 
-    m_system_menu->add_item(make<WSMenuItem>(*m_system_menu, WSMenuItem::Separator));
-    m_system_menu->add_item(make<WSMenuItem>(*m_system_menu, 200, "About...", String(), true, false, false, Gfx::Bitmap::load_from_file("/res/icons/16x16/ladybug.png")));
-    m_system_menu->add_item(make<WSMenuItem>(*m_system_menu, WSMenuItem::Separator));
-    m_system_menu->add_item(make<WSMenuItem>(*m_system_menu, 300, "Shutdown..."));
-    m_system_menu->on_item_activation = [this](WSMenuItem& item) {
+    m_system_menu->add_item(make<MenuItem>(*m_system_menu, MenuItem::Separator));
+    m_system_menu->add_item(make<MenuItem>(*m_system_menu, 200, "About...", String(), true, false, false, Gfx::Bitmap::load_from_file("/res/icons/16x16/ladybug.png")));
+    m_system_menu->add_item(make<MenuItem>(*m_system_menu, MenuItem::Separator));
+    m_system_menu->add_item(make<MenuItem>(*m_system_menu, 300, "Shutdown..."));
+    m_system_menu->on_item_activation = [this](MenuItem& item) {
         if (item.identifier() >= 1 && item.identifier() <= 1u + m_apps.size() - 1) {
             if (fork() == 0) {
                 const auto& bin = m_apps[item.identifier() - 1].executable;
@@ -152,7 +154,7 @@ WSMenuManager::WSMenuManager()
         }
         switch (item.identifier()) {
         case 100:
-            WSWindowManager::the().reload_config(true);
+            WindowManager::the().reload_config(true);
             break;
         case 200:
             if (fork() == 0) {
@@ -168,22 +170,22 @@ WSMenuManager::WSMenuManager()
             return;
         }
 #ifdef DEBUG_MENUS
-        dbg() << "WSMenu 1 item activated: " << item.text();
+        dbg() << "Menu 1 item activated: " << item.text();
 #endif
     };
 
     // NOTE: This ensures that the system menu has the correct dimensions.
     set_current_menubar(nullptr);
 
-    m_window = WSWindow::construct(*this, WSWindowType::Menubar);
+    m_window = Window::construct(*this, WindowType::Menubar);
     m_window->set_rect(menubar_rect());
 }
 
-WSMenuManager::~WSMenuManager()
+MenuManager::~MenuManager()
 {
 }
 
-bool WSMenuManager::is_open(const WSMenu& menu) const
+bool MenuManager::is_open(const Menu& menu) const
 {
     for (int i = 0; i < m_open_menu_stack.size(); ++i) {
         if (&menu == m_open_menu_stack[i].ptr())
@@ -192,9 +194,9 @@ bool WSMenuManager::is_open(const WSMenu& menu) const
     return false;
 }
 
-void WSMenuManager::draw()
+void MenuManager::draw()
 {
-    auto& wm = WSWindowManager::the();
+    auto& wm = WindowManager::the();
     auto palette = wm.palette();
     auto menubar_rect = this->menubar_rect();
 
@@ -230,7 +232,7 @@ void WSMenuManager::draw()
     painter.fill_rect(menubar_rect, palette.window());
     painter.draw_line({ 0, menubar_rect.bottom() }, { menubar_rect.right(), menubar_rect.bottom() }, palette.threed_shadow1());
     int index = 0;
-    for_each_active_menubar_menu([&](WSMenu& menu) {
+    for_each_active_menubar_menu([&](Menu& menu) {
         Color text_color = palette.window_text();
         if (is_open(menu)) {
             painter.fill_rect(menu.rect_in_menubar(), palette.menu_selection());
@@ -256,12 +258,12 @@ void WSMenuManager::draw()
     }
 }
 
-void WSMenuManager::tick_clock()
+void MenuManager::tick_clock()
 {
     refresh();
 }
 
-void WSMenuManager::refresh()
+void MenuManager::refresh()
 {
     if (!m_window)
         return;
@@ -269,15 +271,15 @@ void WSMenuManager::refresh()
     window().invalidate();
 }
 
-void WSMenuManager::event(Core::Event& event)
+void MenuManager::event(Core::Event& event)
 {
-    if (WSWindowManager::the().active_window_is_modal())
+    if (WindowManager::the().active_window_is_modal())
         return Core::Object::event(event);
 
-    if (event.type() == WSEvent::MouseMove || event.type() == WSEvent::MouseUp || event.type() == WSEvent::MouseDown || event.type() == WSEvent::MouseWheel) {
+    if (event.type() == Event::MouseMove || event.type() == Event::MouseUp || event.type() == Event::MouseDown || event.type() == Event::MouseWheel) {
 
-        auto& mouse_event = static_cast<WSMouseEvent&>(event);
-        for_each_active_menubar_menu([&](WSMenu& menu) {
+        auto& mouse_event = static_cast<MouseEvent&>(event);
+        for_each_active_menubar_menu([&](Menu& menu) {
             if (menu.rect_in_menubar().contains(mouse_event.position())) {
                 handle_menu_mouse_event(menu, mouse_event);
                 return IterationDecision::Break;
@@ -295,16 +297,16 @@ void WSMenuManager::event(Core::Event& event)
         }
     }
 
-    if (static_cast<WSEvent&>(event).is_key_event()) {
-        auto& key_event = static_cast<const WSKeyEvent&>(event);
+    if (static_cast<Event&>(event).is_key_event()) {
+        auto& key_event = static_cast<const KeyEvent&>(event);
 
-        if (key_event.type() == WSEvent::KeyUp && key_event.key() == Key_Escape) {
+        if (key_event.type() == Event::KeyUp && key_event.key() == Key_Escape) {
             close_everyone();
             return;
         }
 
-        if (event.type() == WSEvent::KeyDown) {
-            for_each_active_menubar_menu([&](WSMenu& menu) {
+        if (event.type() == Event::KeyDown) {
+            for_each_active_menubar_menu([&](Menu& menu) {
                 if (is_open(menu))
                     menu.dispatch_event(event);
                 return IterationDecision::Continue;
@@ -315,12 +317,12 @@ void WSMenuManager::event(Core::Event& event)
     return Core::Object::event(event);
 }
 
-void WSMenuManager::handle_menu_mouse_event(WSMenu& menu, const WSMouseEvent& event)
+void MenuManager::handle_menu_mouse_event(Menu& menu, const MouseEvent& event)
 {
-    bool is_hover_with_any_menu_open = event.type() == WSMouseEvent::MouseMove
+    bool is_hover_with_any_menu_open = event.type() == MouseEvent::MouseMove
         && !m_open_menu_stack.is_empty()
         && (m_open_menu_stack.first()->menubar() || m_open_menu_stack.first() == m_system_menu.ptr());
-    bool is_mousedown_with_left_button = event.type() == WSMouseEvent::MouseDown && event.button() == MouseButton::Left;
+    bool is_mousedown_with_left_button = event.type() == MouseEvent::MouseDown && event.button() == MouseButton::Left;
     bool should_open_menu = &menu != m_current_menu && (is_hover_with_any_menu_open || is_mousedown_with_left_button);
 
     if (is_mousedown_with_left_button)
@@ -335,12 +337,12 @@ void WSMenuManager::handle_menu_mouse_event(WSMenu& menu, const WSMouseEvent& ev
         close_everyone();
 }
 
-void WSMenuManager::set_needs_window_resize()
+void MenuManager::set_needs_window_resize()
 {
     m_needs_window_resize = true;
 }
 
-void WSMenuManager::close_all_menus_from_client(Badge<WSClientConnection>, WSClientConnection& client)
+void MenuManager::close_all_menus_from_client(Badge<ClientConnection>, ClientConnection& client)
 {
     if (m_open_menu_stack.is_empty())
         return;
@@ -349,7 +351,7 @@ void WSMenuManager::close_all_menus_from_client(Badge<WSClientConnection>, WSCli
     close_everyone();
 }
 
-void WSMenuManager::close_everyone()
+void MenuManager::close_everyone()
 {
     for (auto& menu : m_open_menu_stack) {
         if (menu && menu->menu_window())
@@ -361,9 +363,9 @@ void WSMenuManager::close_everyone()
     refresh();
 }
 
-void WSMenuManager::close_everyone_not_in_lineage(WSMenu& menu)
+void MenuManager::close_everyone_not_in_lineage(Menu& menu)
 {
-    Vector<WSMenu*> menus_to_close;
+    Vector<Menu*> menus_to_close;
     for (auto& open_menu : m_open_menu_stack) {
         if (!open_menu)
             continue;
@@ -374,7 +376,7 @@ void WSMenuManager::close_everyone_not_in_lineage(WSMenu& menu)
     close_menus(menus_to_close);
 }
 
-void WSMenuManager::close_menus(const Vector<WSMenu*>& menus)
+void MenuManager::close_menus(const Vector<Menu*>& menus)
 {
     for (auto& menu : menus) {
         if (menu == m_current_menu)
@@ -389,25 +391,25 @@ void WSMenuManager::close_menus(const Vector<WSMenu*>& menus)
     refresh();
 }
 
-static void collect_menu_subtree(WSMenu& menu, Vector<WSMenu*>& menus)
+static void collect_menu_subtree(Menu& menu, Vector<Menu*>& menus)
 {
     menus.append(&menu);
     for (int i = 0; i < menu.item_count(); ++i) {
         auto& item = menu.item(i);
         if (!item.is_submenu())
             continue;
-        collect_menu_subtree(*const_cast<WSMenuItem&>(item).submenu(), menus);
+        collect_menu_subtree(*const_cast<MenuItem&>(item).submenu(), menus);
     }
 }
 
-void WSMenuManager::close_menu_and_descendants(WSMenu& menu)
+void MenuManager::close_menu_and_descendants(Menu& menu)
 {
-    Vector<WSMenu*> menus_to_close;
+    Vector<Menu*> menus_to_close;
     collect_menu_subtree(menu, menus_to_close);
     close_menus(menus_to_close);
 }
 
-void WSMenuManager::toggle_menu(WSMenu& menu)
+void MenuManager::toggle_menu(Menu& menu)
 {
     if (is_open(menu)) {
         close_menu_and_descendants(menu);
@@ -416,7 +418,7 @@ void WSMenuManager::toggle_menu(WSMenu& menu)
     open_menu(menu);
 }
 
-void WSMenuManager::open_menu(WSMenu& menu)
+void MenuManager::open_menu(Menu& menu)
 {
     if (is_open(menu))
         return;
@@ -430,7 +432,7 @@ void WSMenuManager::open_menu(WSMenu& menu)
     refresh();
 }
 
-void WSMenuManager::set_current_menu(WSMenu* menu, bool is_submenu)
+void MenuManager::set_current_menu(Menu* menu, bool is_submenu)
 {
     if (!is_submenu) {
         if (menu)
@@ -448,13 +450,13 @@ void WSMenuManager::set_current_menu(WSMenu* menu, bool is_submenu)
     m_current_menu = menu->make_weak_ptr();
 }
 
-void WSMenuManager::close_bar()
+void MenuManager::close_bar()
 {
     close_everyone();
     m_bar_open = false;
 }
 
-void WSMenuManager::add_applet(WSWindow& applet)
+void MenuManager::add_applet(Window& applet)
 {
     int right_edge_x = m_username_rect.left() - 4;
     for (auto& existing_applet : m_applets) {
@@ -470,34 +472,34 @@ void WSMenuManager::add_applet(WSWindow& applet)
     m_applets.append(applet.make_weak_ptr());
 }
 
-void WSMenuManager::remove_applet(WSWindow& applet)
+void MenuManager::remove_applet(Window& applet)
 {
     m_applets.remove_first_matching([&](auto& entry) {
         return &applet == entry.ptr();
     });
 }
 
-void WSMenuManager::draw_applet(const WSWindow& applet)
+void MenuManager::draw_applet(const Window& applet)
 {
     if (!applet.backing_store())
         return;
     Gfx::Painter painter(*window().backing_store());
-    painter.fill_rect(applet.rect_in_menubar(), WSWindowManager::the().palette().window());
+    painter.fill_rect(applet.rect_in_menubar(), WindowManager::the().palette().window());
     painter.blit(applet.rect_in_menubar().location(), *applet.backing_store(), applet.backing_store()->rect());
 }
 
-void WSMenuManager::invalidate_applet(const WSWindow& applet, const Gfx::Rect& rect)
+void MenuManager::invalidate_applet(const Window& applet, const Gfx::Rect& rect)
 {
     draw_applet(applet);
     window().invalidate(rect.translated(applet.rect_in_menubar().location()));
 }
 
-Gfx::Rect WSMenuManager::menubar_rect() const
+Gfx::Rect MenuManager::menubar_rect() const
 {
-    return { 0, 0, WSScreen::the().rect().width(), 18 };
+    return { 0, 0, Screen::the().rect().width(), 18 };
 }
 
-WSMenu* WSMenuManager::find_internal_menu_by_id(int menu_id)
+Menu* MenuManager::find_internal_menu_by_id(int menu_id)
 {
     if (m_themes_menu->menu_id() == menu_id)
         return m_themes_menu.ptr();
@@ -508,7 +510,7 @@ WSMenu* WSMenuManager::find_internal_menu_by_id(int menu_id)
     return nullptr;
 }
 
-void WSMenuManager::set_current_menubar(WSMenuBar* menubar)
+void MenuManager::set_current_menubar(MenuBar* menubar)
 {
     if (menubar)
         m_current_menubar = menubar->make_weak_ptr();
@@ -517,11 +519,11 @@ void WSMenuManager::set_current_menubar(WSMenuBar* menubar)
 #ifdef DEBUG_MENUS
     dbg() << "[WM] Current menubar is now " << menubar;
 #endif
-    Gfx::Point next_menu_location { WSMenuManager::menubar_menu_margin() / 2, 0 };
+    Gfx::Point next_menu_location { MenuManager::menubar_menu_margin() / 2, 0 };
     int index = 0;
-    for_each_active_menubar_menu([&](WSMenu& menu) {
+    for_each_active_menubar_menu([&](Menu& menu) {
         int text_width = index == 1 ? Gfx::Font::default_bold_font().width(menu.name()) : Gfx::Font::default_font().width(menu.name());
-        menu.set_rect_in_menubar({ next_menu_location.x() - WSMenuManager::menubar_menu_margin() / 2, 0, text_width + WSMenuManager::menubar_menu_margin(), menubar_rect().height() - 1 });
+        menu.set_rect_in_menubar({ next_menu_location.x() - MenuManager::menubar_menu_margin() / 2, 0, text_width + MenuManager::menubar_menu_margin(), menubar_rect().height() - 1 });
         menu.set_text_rect_in_menubar({ next_menu_location, { text_width, menubar_rect().height() } });
         next_menu_location.move_by(menu.rect_in_menubar().width(), 0);
         ++index;
@@ -530,8 +532,10 @@ void WSMenuManager::set_current_menubar(WSMenuBar* menubar)
     refresh();
 }
 
-void WSMenuManager::close_menubar(WSMenuBar& menubar)
+void MenuManager::close_menubar(MenuBar& menubar)
 {
     if (current_menubar() == &menubar)
         set_current_menubar(nullptr);
 }
+
+}
diff --git a/Servers/WindowServer/WSMenuManager.h b/Servers/WindowServer/MenuManager.h
index 3909e0fd0d..07fb8eca09 100644
--- a/Servers/WindowServer/WSMenuManager.h
+++ b/Servers/WindowServer/MenuManager.h
@@ -26,58 +26,58 @@
 
 #pragma once
 
-#include "WSMenu.h"
-#include "WSMenuBar.h"
+#include "Menu.h"
+#include "MenuBar.h"
+#include "Window.h"
 #include <AK/HashMap.h>
 #include <LibCore/Object.h>
-#include <WindowServer/WSWindow.h>
 
-class AClientConnection;
+namespace WindowServer {
 
-class WSMenuManager final : public Core::Object {
-    C_OBJECT(WSMenuManager)
+class MenuManager final : public Core::Object {
+    C_OBJECT(MenuManager)
 public:
-    static WSMenuManager& the();
+    static MenuManager& the();
 
-    WSMenuManager();
-    virtual ~WSMenuManager() override;
+    MenuManager();
+    virtual ~MenuManager() override;
 
     void refresh();
 
     virtual void event(Core::Event&) override;
 
-    bool is_open(const WSMenu&) const;
+    bool is_open(const Menu&) const;
 
-    Vector<WeakPtr<WSMenu>>& open_menu_stack() { return m_open_menu_stack; }
+    Vector<WeakPtr<Menu>>& open_menu_stack() { return m_open_menu_stack; }
 
     Gfx::Rect menubar_rect() const;
     static int menubar_menu_margin() { return 16; }
 
     void set_needs_window_resize();
 
-    WSMenu* current_menu() { return m_current_menu.ptr(); }
-    void set_current_menu(WSMenu*, bool is_submenu = false);
-    void open_menu(WSMenu&);
-    void toggle_menu(WSMenu&);
+    Menu* current_menu() { return m_current_menu.ptr(); }
+    void set_current_menu(Menu*, bool is_submenu = false);
+    void open_menu(Menu&);
+    void toggle_menu(Menu&);
 
-    WSMenuBar* current_menubar() { return m_current_menubar.ptr(); }
-    void set_current_menubar(WSMenuBar*);
-    void close_menubar(WSMenuBar&);
+    MenuBar* current_menubar() { return m_current_menubar.ptr(); }
+    void set_current_menubar(MenuBar*);
+    void close_menubar(MenuBar&);
 
     void close_bar();
     void close_everyone();
-    void close_everyone_not_in_lineage(WSMenu&);
-    void close_menu_and_descendants(WSMenu&);
+    void close_everyone_not_in_lineage(Menu&);
+    void close_menu_and_descendants(Menu&);
 
-    void close_all_menus_from_client(Badge<WSClientConnection>, WSClientConnection&);
+    void close_all_menus_from_client(Badge<ClientConnection>, ClientConnection&);
 
-    void add_applet(WSWindow&);
-    void remove_applet(WSWindow&);
-    void invalidate_applet(const WSWindow&, const Gfx::Rect&);
+    void add_applet(Window&);
+    void remove_applet(Window&);
+    void invalidate_applet(const Window&, const Gfx::Rect&);
 
     Color menu_selection_color() const { return m_menu_selection_color; }
-    WSMenu& system_menu() { return *m_system_menu; }
-    WSMenu* find_internal_menu_by_id(int);
+    Menu& system_menu() { return *m_system_menu; }
+    Menu* find_internal_menu_by_id(int);
     int theme_index() const { return m_theme_index; }
 
     template<typename Callback>
@@ -90,24 +90,24 @@ public:
     }
 
 private:
-    void close_menus(const Vector<WSMenu*>&);
+    void close_menus(const Vector<Menu*>&);
 
-    WSWindow& window() { return *m_window; }
-    const WSWindow& window() const { return *m_window; }
+    Window& window() { return *m_window; }
+    const Window& window() const { return *m_window; }
 
-    void handle_menu_mouse_event(WSMenu&, const WSMouseEvent&);
+    void handle_menu_mouse_event(Menu&, const MouseEvent&);
 
     void draw();
-    void draw_applet(const WSWindow&);
+    void draw_applet(const Window&);
     void tick_clock();
 
-    RefPtr<WSWindow> m_window;
+    RefPtr<Window> m_window;
     String m_username;
 
-    WeakPtr<WSMenu> m_current_menu;
-    Vector<WeakPtr<WSMenu>> m_open_menu_stack;
+    WeakPtr<Menu> m_current_menu;
+    Vector<WeakPtr<Menu>> m_open_menu_stack;
 
-    Vector<WeakPtr<WSWindow>> m_applets;
+    Vector<WeakPtr<Window>> m_applets;
 
     Gfx::Rect m_username_rect;
 
@@ -122,19 +122,21 @@ private:
     };
     Vector<AppMetadata> m_apps;
 
-    HashMap<String, NonnullRefPtr<WSMenu>> m_app_category_menus;
+    HashMap<String, NonnullRefPtr<Menu>> m_app_category_menus;
 
     struct ThemeMetadata {
         String name;
         String path;
     };
 
-    RefPtr<WSMenu> m_system_menu;
+    RefPtr<Menu> m_system_menu;
     Color m_menu_selection_color;
 
     int m_theme_index { 0 };
     Vector<ThemeMetadata> m_themes;
-    RefPtr<WSMenu> m_themes_menu;
+    RefPtr<Menu> m_themes_menu;
 
-    WeakPtr<WSMenuBar> m_current_menubar;
+    WeakPtr<MenuBar> m_current_menubar;
 };
+
+}
diff --git a/Servers/WindowServer/WSScreen.cpp b/Servers/WindowServer/Screen.cpp
index 6731db4e3e..72ac39361a 100644
--- a/Servers/WindowServer/WSScreen.cpp
+++ b/Servers/WindowServer/Screen.cpp
@@ -24,11 +24,11 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include "WSScreen.h"
-#include "WSCompositor.h"
-#include "WSEvent.h"
-#include "WSEventLoop.h"
-#include "WSWindowManager.h"
+#include "Screen.h"
+#include "Compositor.h"
+#include "Event.h"
+#include "EventLoop.h"
+#include "WindowManager.h"
 #include <Kernel/FB.h>
 #include <Kernel/MousePacket.h>
 #include <fcntl.h>
@@ -36,15 +36,17 @@
 #include <sys/mman.h>
 #include <unistd.h>
 
-static WSScreen* s_the;
+namespace WindowServer {
 
-WSScreen& WSScreen::the()
+static Screen* s_the;
+
+Screen& Screen::the()
 {
     ASSERT(s_the);
     return *s_the;
 }
 
-WSScreen::WSScreen(unsigned desired_width, unsigned desired_height)
+Screen::Screen(unsigned desired_width, unsigned desired_height)
 {
     ASSERT(!s_the);
     s_the = this;
@@ -62,11 +64,11 @@ WSScreen::WSScreen(unsigned desired_width, unsigned desired_height)
     m_cursor_location = rect().center();
 }
 
-WSScreen::~WSScreen()
+Screen::~Screen()
 {
 }
 
-void WSScreen::set_resolution(int width, int height)
+void Screen::set_resolution(int width, int height)
 {
     FBResolution resolution { 0, (int)width, (int)height };
     int rc = fb_set_resolution(m_framebuffer_fd, &resolution);
@@ -74,7 +76,7 @@ void WSScreen::set_resolution(int width, int height)
     on_change_resolution(resolution.pitch, resolution.width, resolution.height);
 }
 
-void WSScreen::on_change_resolution(int pitch, int width, int height)
+void Screen::on_change_resolution(int pitch, int width, int height)
 {
     if (m_framebuffer) {
         size_t previous_size_in_bytes = m_size_in_bytes;
@@ -95,25 +97,25 @@ void WSScreen::on_change_resolution(int pitch, int width, int height)
     m_cursor_location.constrain(rect());
 }
 
-void WSScreen::set_buffer(int index)
+void Screen::set_buffer(int index)
 {
     ASSERT(m_can_set_buffer);
     int rc = fb_set_buffer(m_framebuffer_fd, index);
     ASSERT(rc == 0);
 }
 
-void WSScreen::on_receive_mouse_data(const MousePacket& packet)
+void Screen::on_receive_mouse_data(const MousePacket& packet)
 {
     auto prev_location = m_cursor_location;
     if (packet.is_relative) {
         m_cursor_location.move_by(packet.x, packet.y);
 #ifdef WSSCREEN_DEBUG
-        dbgprintf("WSScreen: New Relative mouse point @ X %d, Y %d\n", m_cursor_location.x(), m_cursor_location.y());
+        dbgprintf("Screen: New Relative mouse point @ X %d, Y %d\n", m_cursor_location.x(), m_cursor_location.y());
 #endif
     } else {
         m_cursor_location = { packet.x * m_width / 0xffff, packet.y * m_height / 0xffff };
 #ifdef WSSCREEN_DEBUG
-        dbgprintf("WSScreen: New Absolute mouse point @ X %d, Y %d\n", m_cursor_location.x(), m_cursor_location.y());
+        dbgprintf("Screen: New Absolute mouse point @ X %d, Y %d\n", m_cursor_location.x(), m_cursor_location.y());
 #endif
     }
 
@@ -126,29 +128,31 @@ void WSScreen::on_receive_mouse_data(const MousePacket& packet)
     auto post_mousedown_or_mouseup_if_needed = [&](MouseButton button) {
         if (!(changed_buttons & (unsigned)button))
             return;
-        auto message = make<WSMouseEvent>(buttons & (unsigned)button ? WSEvent::MouseDown : WSEvent::MouseUp, m_cursor_location, buttons, button, m_modifiers);
-        Core::EventLoop::current().post_event(WSWindowManager::the(), move(message));
+        auto message = make<MouseEvent>(buttons & (unsigned)button ? Event::MouseDown : Event::MouseUp, m_cursor_location, buttons, button, m_modifiers);
+        Core::EventLoop::current().post_event(WindowManager::the(), move(message));
     };
     post_mousedown_or_mouseup_if_needed(MouseButton::Left);
     post_mousedown_or_mouseup_if_needed(MouseButton::Right);
     post_mousedown_or_mouseup_if_needed(MouseButton::Middle);
     if (m_cursor_location != prev_location) {
-        auto message = make<WSMouseEvent>(WSEvent::MouseMove, m_cursor_location, buttons, MouseButton::None, m_modifiers);
-        Core::EventLoop::current().post_event(WSWindowManager::the(), move(message));
+        auto message = make<MouseEvent>(Event::MouseMove, m_cursor_location, buttons, MouseButton::None, m_modifiers);
+        Core::EventLoop::current().post_event(WindowManager::the(), move(message));
     }
 
     if (packet.z) {
-        auto message = make<WSMouseEvent>(WSEvent::MouseWheel, m_cursor_location, buttons, MouseButton::None, m_modifiers, packet.z);
-        Core::EventLoop::current().post_event(WSWindowManager::the(), move(message));
+        auto message = make<MouseEvent>(Event::MouseWheel, m_cursor_location, buttons, MouseButton::None, m_modifiers, packet.z);
+        Core::EventLoop::current().post_event(WindowManager::the(), move(message));
     }
 
     if (m_cursor_location != prev_location)
-        WSCompositor::the().invalidate_cursor();
+        Compositor::the().invalidate_cursor();
 }
 
-void WSScreen::on_receive_keyboard_data(KeyEvent kernel_event)
+void Screen::on_receive_keyboard_data(::KeyEvent kernel_event)
 {
     m_modifiers = kernel_event.modifiers();
-    auto message = make<WSKeyEvent>(kernel_event.is_press() ? WSEvent::KeyDown : WSEvent::KeyUp, kernel_event.key, kernel_event.character, kernel_event.modifiers());
-    Core::EventLoop::current().post_event(WSWindowManager::the(), move(message));
+    auto message = make<KeyEvent>(kernel_event.is_press() ? Event::KeyDown : Event::KeyUp, kernel_event.key, kernel_event.character, kernel_event.modifiers());
+    Core::EventLoop::current().post_event(WindowManager::the(), move(message));
+}
+
 }
diff --git a/Servers/WindowServer/WSScreen.h b/Servers/WindowServer/Screen.h
index cee4700c66..ea639b6f30 100644
--- a/Servers/WindowServer/WSScreen.h
+++ b/Servers/WindowServer/Screen.h
@@ -33,10 +33,12 @@
 
 struct MousePacket;
 
-class WSScreen {
+namespace WindowServer {
+
+class Screen {
 public:
-    WSScreen(unsigned width, unsigned height);
-    ~WSScreen();
+    Screen(unsigned width, unsigned height);
+    ~Screen();
 
     void set_resolution(int width, int height);
     bool can_set_buffer() { return m_can_set_buffer; }
@@ -47,7 +49,7 @@ public:
     size_t pitch() const { return m_pitch; }
     Gfx::RGBA32* scanline(int y);
 
-    static WSScreen& the();
+    static Screen& the();
 
     Gfx::Size size() const { return { width(), height() }; }
     Gfx::Rect rect() const { return { 0, 0, width(), height() }; }
@@ -56,7 +58,7 @@ public:
     unsigned mouse_button_state() const { return m_mouse_button_state; }
 
     void on_receive_mouse_data(const MousePacket&);
-    void on_receive_keyboard_data(KeyEvent);
+    void on_receive_keyboard_data(::KeyEvent);
 
 private:
     void on_change_resolution(int pitch, int width, int height);
@@ -76,7 +78,9 @@ private:
     unsigned m_modifiers { 0 };
 };
 
-inline Gfx::RGBA32* WSScreen::scanline(int y)
+inline Gfx::RGBA32* Screen::scanline(int y)
 {
     return reinterpret_cast<Gfx::RGBA32*>(((u8*)m_framebuffer) + (y * m_pitch));
 }
+
+}
diff --git a/Servers/WindowServer/WSWindow.cpp b/Servers/WindowServer/Window.cpp
index efa0bae41d..4e37f78429 100644
--- a/Servers/WindowServer/WSWindow.cpp
+++ b/Servers/WindowServer/Window.cpp
@@ -24,13 +24,15 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include "WSWindow.h"
-#include "WSEvent.h"
-#include "WSEventLoop.h"
-#include "WSScreen.h"
-#include "WSWindowManager.h"
-#include <WindowServer/WSClientConnection.h>
-#include <WindowServer/WindowClientEndpoint.h>
+#include "Window.h"
+#include "ClientConnection.h"
+#include "Event.h"
+#include "EventLoop.h"
+#include "Screen.h"
+#include "WindowClientEndpoint.h"
+#include "WindowManager.h"
+
+namespace WindowServer {
 
 static String default_window_icon_path()
 {
@@ -45,16 +47,16 @@ static Gfx::Bitmap& default_window_icon()
     return *s_icon;
 }
 
-WSWindow::WSWindow(Core::Object& parent, WSWindowType type)
+Window::Window(Core::Object& parent, WindowType type)
     : Core::Object(&parent)
     , m_type(type)
     , m_icon(default_window_icon())
     , m_frame(*this)
 {
-    WSWindowManager::the().add_window(*this);
+    WindowManager::the().add_window(*this);
 }
 
-WSWindow::WSWindow(WSClientConnection& client, WSWindowType window_type, int window_id, bool modal, bool minimizable, bool resizable, bool fullscreen)
+Window::Window(ClientConnection& client, WindowType window_type, int window_id, bool modal, bool minimizable, bool resizable, bool fullscreen)
     : Core::Object(&client)
     , m_client(&client)
     , m_type(window_type)
@@ -68,31 +70,31 @@ WSWindow::WSWindow(WSClientConnection& client, WSWindowType window_type, int win
     , m_frame(*this)
 {
     // FIXME: This should not be hard-coded here.
-    if (m_type == WSWindowType::Taskbar) {
-        m_wm_event_mask = WSWMEventMask::WindowStateChanges | WSWMEventMask::WindowRemovals | WSWMEventMask::WindowIconChanges;
+    if (m_type == WindowType::Taskbar) {
+        m_wm_event_mask = WMEventMask::WindowStateChanges | WMEventMask::WindowRemovals | WMEventMask::WindowIconChanges;
         m_listens_to_wm_events = true;
     }
-    WSWindowManager::the().add_window(*this);
+    WindowManager::the().add_window(*this);
 }
 
-WSWindow::~WSWindow()
+Window::~Window()
 {
     // Detach from client at the start of teardown since we don't want
     // to confuse things by trying to send messages to it.
     m_client = nullptr;
 
-    WSWindowManager::the().remove_window(*this);
+    WindowManager::the().remove_window(*this);
 }
 
-void WSWindow::set_title(const String& title)
+void Window::set_title(const String& title)
 {
     if (m_title == title)
         return;
     m_title = title;
-    WSWindowManager::the().notify_title_changed(*this);
+    WindowManager::the().notify_title_changed(*this);
 }
 
-void WSWindow::set_rect(const Gfx::Rect& rect)
+void Window::set_rect(const Gfx::Rect& rect)
 {
     Gfx::Rect old_rect;
     if (m_rect == rect)
@@ -105,24 +107,24 @@ void WSWindow::set_rect(const Gfx::Rect& rect)
     m_frame.notify_window_rect_changed(old_rect, rect);
 }
 
-void WSWindow::handle_mouse_event(const WSMouseEvent& event)
+void Window::handle_mouse_event(const MouseEvent& event)
 {
     set_automatic_cursor_tracking_enabled(event.buttons() != 0);
 
     switch (event.type()) {
-    case WSEvent::MouseMove:
+    case Event::MouseMove:
         m_client->post_message(WindowClient::MouseMove(m_window_id, event.position(), (u32)event.button(), event.buttons(), event.modifiers(), event.wheel_delta()));
         break;
-    case WSEvent::MouseDown:
+    case Event::MouseDown:
         m_client->post_message(WindowClient::MouseDown(m_window_id, event.position(), (u32)event.button(), event.buttons(), event.modifiers(), event.wheel_delta()));
         break;
-    case WSEvent::MouseDoubleClick:
+    case Event::MouseDoubleClick:
         m_client->post_message(WindowClient::MouseDoubleClick(m_window_id, event.position(), (u32)event.button(), event.buttons(), event.modifiers(), event.wheel_delta()));
         break;
-    case WSEvent::MouseUp:
+    case Event::MouseUp:
         m_client->post_message(WindowClient::MouseUp(m_window_id, event.position(), (u32)event.button(), event.buttons(), event.modifiers(), event.wheel_delta()));
         break;
-    case WSEvent::MouseWheel:
+    case Event::MouseWheel:
         m_client->post_message(WindowClient::MouseWheel(m_window_id, event.position(), (u32)event.button(), event.buttons(), event.modifiers(), event.wheel_delta()));
         break;
     default:
@@ -130,16 +132,15 @@ void WSWindow::handle_mouse_event(const WSMouseEvent& event)
     }
 }
 
-void WSWindow::update_menu_item_text(PopupMenuItem item)
+void Window::update_menu_item_text(PopupMenuItem item)
 {
     if (m_window_menu) {
-        m_window_menu->item((int)item).set_text(item == PopupMenuItem::Minimize ?
-            (m_minimized ? "Unminimize" : "Minimize") : (m_maximized ? "Restore" : "Maximize"));
+        m_window_menu->item((int)item).set_text(item == PopupMenuItem::Minimize ? (m_minimized ? "Unminimize" : "Minimize") : (m_maximized ? "Restore" : "Maximize"));
         m_window_menu->redraw();
     }
 }
 
-void WSWindow::update_menu_item_enabled(PopupMenuItem item)
+void Window::update_menu_item_enabled(PopupMenuItem item)
 {
     if (m_window_menu) {
         m_window_menu->item((int)item).set_enabled(item == PopupMenuItem::Minimize ? m_minimizable : m_resizable);
@@ -147,7 +148,7 @@ void WSWindow::update_menu_item_enabled(PopupMenuItem item)
     }
 }
 
-void WSWindow::set_minimized(bool minimized)
+void Window::set_minimized(bool minimized)
 {
     if (m_minimized == minimized)
         return;
@@ -161,10 +162,10 @@ void WSWindow::set_minimized(bool minimized)
     if (!minimized)
         request_update({ {}, size() });
     invalidate();
-    WSWindowManager::the().notify_minimization_state_changed(*this);
+    WindowManager::the().notify_minimization_state_changed(*this);
 }
 
-void WSWindow::set_minimizable(bool minimizable)
+void Window::set_minimizable(bool minimizable)
 {
     if (m_minimizable == minimizable)
         return;
@@ -173,23 +174,23 @@ void WSWindow::set_minimizable(bool minimizable)
     // TODO: Hide/show (or alternatively change enabled state of) window minimize button dynamically depending on value of m_minimizable
 }
 
-void WSWindow::set_opacity(float opacity)
+void Window::set_opacity(float opacity)
 {
-     if (m_opacity == opacity)
-         return;
-     m_opacity = opacity;
-     WSWindowManager::the().notify_opacity_changed(*this);
+    if (m_opacity == opacity)
+        return;
+    m_opacity = opacity;
+    WindowManager::the().notify_opacity_changed(*this);
 }
 
-void WSWindow::set_occluded(bool occluded)
+void Window::set_occluded(bool occluded)
 {
     if (m_occluded == occluded)
         return;
     m_occluded = occluded;
-    WSWindowManager::the().notify_occlusion_state_changed(*this);
+    WindowManager::the().notify_occlusion_state_changed(*this);
 }
 
-void WSWindow::set_maximized(bool maximized)
+void Window::set_maximized(bool maximized)
 {
     if (m_maximized == maximized)
         return;
@@ -203,15 +204,15 @@ void WSWindow::set_maximized(bool maximized)
     auto old_rect = m_rect;
     if (maximized) {
         m_unmaximized_rect = m_rect;
-        set_rect(WSWindowManager::the().maximized_window_rect(*this));
+        set_rect(WindowManager::the().maximized_window_rect(*this));
     } else {
         set_rect(m_unmaximized_rect);
     }
     m_frame.did_set_maximized({}, maximized);
-    Core::EventLoop::current().post_event(*this, make<WSResizeEvent>(old_rect, m_rect));
+    Core::EventLoop::current().post_event(*this, make<ResizeEvent>(old_rect, m_rect));
 }
 
-void WSWindow::set_resizable(bool resizable)
+void Window::set_resizable(bool resizable)
 {
     if (m_resizable == resizable)
         return;
@@ -220,7 +221,7 @@ void WSWindow::set_resizable(bool resizable)
     // TODO: Hide/show (or alternatively change enabled state of) window maximize button dynamically depending on value of is_resizable()
 }
 
-void WSWindow::event(Core::Event& event)
+void Window::event(Core::Event& event)
 {
     if (!m_client) {
         ASSERT(parent());
@@ -231,57 +232,57 @@ void WSWindow::event(Core::Event& event)
     if (is_blocked_by_modal_window())
         return;
 
-    if (static_cast<WSEvent&>(event).is_mouse_event())
-        return handle_mouse_event(static_cast<const WSMouseEvent&>(event));
+    if (static_cast<Event&>(event).is_mouse_event())
+        return handle_mouse_event(static_cast<const MouseEvent&>(event));
 
     switch (event.type()) {
-    case WSEvent::WindowEntered:
+    case Event::WindowEntered:
         m_client->post_message(WindowClient::WindowEntered(m_window_id));
         break;
-    case WSEvent::WindowLeft:
+    case Event::WindowLeft:
         m_client->post_message(WindowClient::WindowLeft(m_window_id));
         break;
-    case WSEvent::KeyDown:
+    case Event::KeyDown:
         m_client->post_message(
             WindowClient::KeyDown(m_window_id,
-                (u8) static_cast<const WSKeyEvent&>(event).character(),
-                (u32) static_cast<const WSKeyEvent&>(event).key(),
-                static_cast<const WSKeyEvent&>(event).modifiers()));
+                (u8) static_cast<const KeyEvent&>(event).character(),
+                (u32) static_cast<const KeyEvent&>(event).key(),
+                static_cast<const KeyEvent&>(event).modifiers()));
         break;
-    case WSEvent::KeyUp:
+    case Event::KeyUp:
         m_client->post_message(
             WindowClient::KeyUp(m_window_id,
-                (u8) static_cast<const WSKeyEvent&>(event).character(),
-                (u32) static_cast<const WSKeyEvent&>(event).key(),
-                static_cast<const WSKeyEvent&>(event).modifiers()));
+                (u8) static_cast<const KeyEvent&>(event).character(),
+                (u32) static_cast<const KeyEvent&>(event).key(),
+                static_cast<const KeyEvent&>(event).modifiers()));
         break;
-    case WSEvent::WindowActivated:
+    case Event::WindowActivated:
         m_client->post_message(WindowClient::WindowActivated(m_window_id));
         break;
-    case WSEvent::WindowDeactivated:
+    case Event::WindowDeactivated:
         m_client->post_message(WindowClient::WindowDeactivated(m_window_id));
         break;
-    case WSEvent::WindowCloseRequest:
+    case Event::WindowCloseRequest:
         m_client->post_message(WindowClient::WindowCloseRequest(m_window_id));
         break;
-    case WSEvent::WindowResized:
+    case Event::WindowResized:
         m_client->post_message(
             WindowClient::WindowResized(
                 m_window_id,
-                static_cast<const WSResizeEvent&>(event).old_rect(),
-                static_cast<const WSResizeEvent&>(event).rect()));
+                static_cast<const ResizeEvent&>(event).old_rect(),
+                static_cast<const ResizeEvent&>(event).rect()));
         break;
     default:
         break;
     }
 }
 
-void WSWindow::set_global_cursor_tracking_enabled(bool enabled)
+void Window::set_global_cursor_tracking_enabled(bool enabled)
 {
     m_global_cursor_tracking_enabled = enabled;
 }
 
-void WSWindow::set_visible(bool b)
+void Window::set_visible(bool b)
 {
     if (m_visible == b)
         return;
@@ -289,32 +290,32 @@ void WSWindow::set_visible(bool b)
     invalidate();
 }
 
-void WSWindow::invalidate()
+void Window::invalidate()
 {
-    WSWindowManager::the().invalidate(*this);
+    WindowManager::the().invalidate(*this);
 }
 
-void WSWindow::invalidate(const Gfx::Rect& rect)
+void Window::invalidate(const Gfx::Rect& rect)
 {
-    WSWindowManager::the().invalidate(*this, rect);
+    WindowManager::the().invalidate(*this, rect);
 }
 
-bool WSWindow::is_active() const
+bool Window::is_active() const
 {
-    return WSWindowManager::the().active_window() == this;
+    return WindowManager::the().active_window() == this;
 }
 
-bool WSWindow::is_blocked_by_modal_window() const
+bool Window::is_blocked_by_modal_window() const
 {
     return !is_modal() && client() && client()->is_showing_modal_window();
 }
 
-void WSWindow::set_default_icon()
+void Window::set_default_icon()
 {
     m_icon = default_window_icon();
 }
 
-void WSWindow::request_update(const Gfx::Rect& rect)
+void Window::request_update(const Gfx::Rect& rect)
 {
     if (m_pending_paint_rects.is_empty()) {
         deferred_invoke([this](auto&) {
@@ -324,16 +325,16 @@ void WSWindow::request_update(const Gfx::Rect& rect)
     m_pending_paint_rects.add(rect);
 }
 
-void WSWindow::popup_window_menu(const Gfx::Point& position)
+void Window::popup_window_menu(const Gfx::Point& position)
 {
     if (!m_window_menu) {
-        m_window_menu = WSMenu::construct(nullptr, -1, "(Window Menu)");
+        m_window_menu = Menu::construct(nullptr, -1, "(Window Menu)");
         m_window_menu->set_window_menu_of(*this);
 
-        m_window_menu->add_item(make<WSMenuItem>(*m_window_menu, 1, m_minimized ? "Unminimize" : "Minimize"));
-        m_window_menu->add_item(make<WSMenuItem>(*m_window_menu, 2, m_maximized ? "Restore" : "Maximize"));
-        m_window_menu->add_item(make<WSMenuItem>(*m_window_menu, WSMenuItem::Type::Separator));
-        m_window_menu->add_item(make<WSMenuItem>(*m_window_menu, 3, "Close"));
+        m_window_menu->add_item(make<MenuItem>(*m_window_menu, 1, m_minimized ? "Unminimize" : "Minimize"));
+        m_window_menu->add_item(make<MenuItem>(*m_window_menu, 2, m_maximized ? "Restore" : "Maximize"));
+        m_window_menu->add_item(make<MenuItem>(*m_window_menu, MenuItem::Type::Separator));
+        m_window_menu->add_item(make<MenuItem>(*m_window_menu, 3, "Close"));
 
         m_window_menu->item((int)PopupMenuItem::Minimize).set_enabled(m_minimizable);
         m_window_menu->item((int)PopupMenuItem::Maximize).set_enabled(m_resizable);
@@ -343,13 +344,13 @@ void WSWindow::popup_window_menu(const Gfx::Point& position)
             case 1:
                 set_minimized(!m_minimized);
                 if (!m_minimized)
-                    WSWindowManager::the().move_to_front_and_make_active(*this);
+                    WindowManager::the().move_to_front_and_make_active(*this);
                 break;
             case 2:
                 set_maximized(!m_maximized);
                 if (m_minimized)
                     set_minimized(false);
-                WSWindowManager::the().move_to_front_and_make_active(*this);
+                WindowManager::the().move_to_front_and_make_active(*this);
                 break;
             case 3:
                 request_close();
@@ -360,13 +361,13 @@ void WSWindow::popup_window_menu(const Gfx::Point& position)
     m_window_menu->popup(position);
 }
 
-void WSWindow::request_close()
+void Window::request_close()
 {
-    WSEvent close_request(WSEvent::WindowCloseRequest);
+    Event close_request(Event::WindowCloseRequest);
     event(close_request);
 }
 
-void WSWindow::set_fullscreen(bool fullscreen)
+void Window::set_fullscreen(bool fullscreen)
 {
     if (m_fullscreen == fullscreen)
         return;
@@ -374,15 +375,15 @@ void WSWindow::set_fullscreen(bool fullscreen)
     Gfx::Rect new_window_rect = m_rect;
     if (m_fullscreen) {
         m_saved_nonfullscreen_rect = m_rect;
-        new_window_rect = WSScreen::the().rect();
+        new_window_rect = Screen::the().rect();
     } else if (!m_saved_nonfullscreen_rect.is_empty()) {
         new_window_rect = m_saved_nonfullscreen_rect;
     }
-    Core::EventLoop::current().post_event(*this, make<WSResizeEvent>(m_rect, new_window_rect));
+    Core::EventLoop::current().post_event(*this, make<ResizeEvent>(m_rect, new_window_rect));
     set_rect(new_window_rect);
 }
 
-void WSWindow::set_tiled(WindowTileType tiled)
+void Window::set_tiled(WindowTileType tiled)
 {
     if (m_tiled == tiled)
         return;
@@ -391,23 +392,25 @@ void WSWindow::set_tiled(WindowTileType tiled)
 
     int frame_width = (m_frame.rect().width() - m_rect.width()) / 2;
     switch (tiled) {
-    case WindowTileType::None :
+    case WindowTileType::None:
         set_rect(m_untiled_rect);
         break;
-    case WindowTileType::Left :
+    case WindowTileType::Left:
         m_untiled_rect = m_rect;
         set_rect(0,
-                WSWindowManager::the().maximized_window_rect(*this).y(),
-                WSScreen::the().width() / 2 - frame_width,
-                WSWindowManager::the().maximized_window_rect(*this).height());
+            WindowManager::the().maximized_window_rect(*this).y(),
+            Screen::the().width() / 2 - frame_width,
+            WindowManager::the().maximized_window_rect(*this).height());
         break;
-    case WindowTileType::Right :
+    case WindowTileType::Right:
         m_untiled_rect = m_rect;
-        set_rect(WSScreen::the().width() / 2 + frame_width,
-                WSWindowManager::the().maximized_window_rect(*this).y(),
-                WSScreen::the().width() / 2 - frame_width,
-                WSWindowManager::the().maximized_window_rect(*this).height());
+        set_rect(Screen::the().width() / 2 + frame_width,
+            WindowManager::the().maximized_window_rect(*this).y(),
+            Screen::the().width() / 2 - frame_width,
+            WindowManager::the().maximized_window_rect(*this).height());
         break;
     }
-    Core::EventLoop::current().post_event(*this, make<WSResizeEvent>(old_rect, m_rect));
+    Core::EventLoop::current().post_event(*this, make<ResizeEvent>(old_rect, m_rect));
+}
+
 }
diff --git a/Servers/WindowServer/WSWindow.h b/Servers/WindowServer/Window.h
index d9469e00ce..9d016c640f 100644
--- a/Servers/WindowServer/WSWindow.h
+++ b/Servers/WindowServer/Window.h
@@ -29,18 +29,20 @@
 #include <AK/InlineLinkedList.h>
 #include <AK/String.h>
 #include <LibCore/Object.h>
-#include <LibGfx/DisjointRectSet.h>
 #include <LibGfx/Bitmap.h>
+#include <LibGfx/DisjointRectSet.h>
 #include <LibGfx/Rect.h>
-#include <WindowServer/WSWindowFrame.h>
-#include <WindowServer/WSWindowType.h>
+#include <WindowServer/WindowFrame.h>
+#include <WindowServer/WindowType.h>
 
-class WSClientConnection;
-class WSCursor;
-class WSMenu;
-class WSMouseEvent;
+namespace WindowServer {
 
-enum WSWMEventMask {
+class ClientConnection;
+class Cursor;
+class Menu;
+class MouseEvent;
+
+enum WMEventMask {
     WindowRectChanges = 1 << 0,
     WindowStateChanges = 1 << 1,
     WindowIconChanges = 1 << 2,
@@ -58,13 +60,13 @@ enum class PopupMenuItem {
     Maximize,
 };
 
-class WSWindow final : public Core::Object
-    , public InlineLinkedListNode<WSWindow> {
-    C_OBJECT(WSWindow)
+class Window final : public Core::Object
+    , public InlineLinkedListNode<Window> {
+    C_OBJECT(Window)
 public:
-    WSWindow(WSClientConnection&, WSWindowType, int window_id, bool modal, bool minimizable, bool resizable, bool fullscreen);
-    WSWindow(Core::Object&, WSWindowType);
-    virtual ~WSWindow() override;
+    Window(ClientConnection&, WindowType, int window_id, bool modal, bool minimizable, bool resizable, bool fullscreen);
+    Window(Core::Object&, WindowType);
+    virtual ~Window() override;
 
     void popup_window_menu(const Gfx::Point&);
     void request_close();
@@ -98,20 +100,20 @@ public:
 
     bool is_movable() const
     {
-        return m_type == WSWindowType::Normal;
+        return m_type == WindowType::Normal;
     }
 
-    WSWindowFrame& frame() { return m_frame; }
-    const WSWindowFrame& frame() const { return m_frame; }
+    WindowFrame& frame() { return m_frame; }
+    const WindowFrame& frame() const { return m_frame; }
 
     bool is_blocked_by_modal_window() const;
 
     bool listens_to_wm_events() const { return m_listens_to_wm_events; }
 
-    WSClientConnection* client() { return m_client; }
-    const WSClientConnection* client() const { return m_client; }
+    ClientConnection* client() { return m_client; }
+    const ClientConnection* client() const { return m_client; }
 
-    WSWindowType type() const { return m_type; }
+    WindowType type() const { return m_type; }
     int window_id() const { return m_window_id; }
 
     bool is_internal() const { return m_client_id == -1; }
@@ -166,7 +168,7 @@ public:
 
     virtual void event(Core::Event&) override;
 
-    // Only used by WSWindowType::MenuApplet. Perhaps it could be a WSWindow subclass? I don't know.
+    // Only used by WindowType::MenuApplet. Perhaps it could be a Window subclass? I don't know.
     void set_rect_in_menubar(const Gfx::Rect& rect) { m_rect_in_menubar = rect; }
     const Gfx::Rect& rect_in_menubar() const { return m_rect_in_menubar; }
 
@@ -204,8 +206,8 @@ public:
 
     void set_default_icon();
 
-    const WSCursor* override_cursor() const { return m_override_cursor.ptr(); }
-    void set_override_cursor(RefPtr<WSCursor>&& cursor) { m_override_cursor = move(cursor); }
+    const Cursor* override_cursor() const { return m_override_cursor.ptr(); }
+    void set_override_cursor(RefPtr<Cursor>&& cursor) { m_override_cursor = move(cursor); }
 
     void request_update(const Gfx::Rect&);
     Gfx::DisjointRectSet take_pending_paint_rects() { return move(m_pending_paint_rects); }
@@ -218,23 +220,23 @@ public:
     void end_minimize_animation() { m_minimize_animation_step = -1; }
 
     // For InlineLinkedList.
-    // FIXME: Maybe make a ListHashSet and then WSWindowManager can just use that.
-    WSWindow* m_next { nullptr };
-    WSWindow* m_prev { nullptr };
+    // FIXME: Maybe make a ListHashSet and then WindowManager can just use that.
+    Window* m_next { nullptr };
+    Window* m_prev { nullptr };
 
-    void detach_client(Badge<WSClientConnection>) { m_client = nullptr; }
+    void detach_client(Badge<ClientConnection>) { m_client = nullptr; }
 
 private:
-    void handle_mouse_event(const WSMouseEvent&);
+    void handle_mouse_event(const MouseEvent&);
     void update_menu_item_text(PopupMenuItem item);
     void update_menu_item_enabled(PopupMenuItem item);
 
-    WSClientConnection* m_client { nullptr };
+    ClientConnection* m_client { nullptr };
     String m_title;
     Gfx::Rect m_rect;
     Gfx::Rect m_saved_nonfullscreen_rect;
     Gfx::Rect m_taskbar_rect;
-    WSWindowType m_type { WSWindowType::Normal };
+    WindowType m_type { WindowType::Normal };
     bool m_global_cursor_tracking_enabled { false };
     bool m_automatic_cursor_tracking_enabled { false };
     bool m_visible { true };
@@ -258,12 +260,14 @@ private:
     Gfx::Size m_size_increment;
     Gfx::Size m_base_size;
     NonnullRefPtr<Gfx::Bitmap> m_icon;
-    RefPtr<WSCursor> m_override_cursor;
-    WSWindowFrame m_frame;
+    RefPtr<Cursor> m_override_cursor;
+    WindowFrame m_frame;
     unsigned m_wm_event_mask { 0 };
     Gfx::DisjointRectSet m_pending_paint_rects;
     Gfx::Rect m_unmaximized_rect;
     Gfx::Rect m_rect_in_menubar;
-    RefPtr<WSMenu> m_window_menu;
+    RefPtr<Menu> m_window_menu;
     int m_minimize_animation_step { -1 };
 };
+
+}
diff --git a/Servers/WindowServer/WSWindowFrame.cpp b/Servers/WindowServer/WindowFrame.cpp
index d82f0d83ba..a1b9f69ff4 100644
--- a/Servers/WindowServer/WSWindowFrame.cpp
+++ b/Servers/WindowServer/WindowFrame.cpp
@@ -28,12 +28,14 @@
 #include <LibGfx/Font.h>
 #include <LibGfx/Painter.h>
 #include <LibGfx/StylePainter.h>
-#include <WindowServer/WSButton.h>
-#include <WindowServer/WSCompositor.h>
-#include <WindowServer/WSEvent.h>
-#include <WindowServer/WSWindow.h>
-#include <WindowServer/WSWindowFrame.h>
-#include <WindowServer/WSWindowManager.h>
+#include <WindowServer/Button.h>
+#include <WindowServer/Compositor.h>
+#include <WindowServer/Event.h>
+#include <WindowServer/Window.h>
+#include <WindowServer/WindowFrame.h>
+#include <WindowServer/WindowManager.h>
+
+namespace WindowServer {
 
 static const int window_titlebar_height = 19;
 
@@ -101,7 +103,7 @@ static Gfx::CharacterBitmap* s_unmaximize_button_bitmap;
 static const int s_unmaximize_button_bitmap_width = 8;
 static const int s_unmaximize_button_bitmap_height = 9;
 
-WSWindowFrame::WSWindowFrame(WSWindow& window)
+WindowFrame::WindowFrame(Window& window)
     : m_window(window)
 {
     if (!s_close_button_bitmap)
@@ -116,12 +118,12 @@ WSWindowFrame::WSWindowFrame(WSWindow& window)
     if (!s_unmaximize_button_bitmap)
         s_unmaximize_button_bitmap = &Gfx::CharacterBitmap::create_from_ascii(s_unmaximize_button_bitmap_data, s_unmaximize_button_bitmap_width, s_unmaximize_button_bitmap_height).leak_ref();
 
-    m_buttons.append(make<WSButton>(*this, *s_close_button_bitmap, [this](auto&) {
+    m_buttons.append(make<Button>(*this, *s_close_button_bitmap, [this](auto&) {
         m_window.request_close();
     }));
 
     if (window.is_resizable()) {
-        auto button = make<WSButton>(*this, *s_maximize_button_bitmap, [this](auto&) {
+        auto button = make<Button>(*this, *s_maximize_button_bitmap, [this](auto&) {
             m_window.set_maximized(!m_window.is_maximized());
         });
         m_maximize_button = button.ptr();
@@ -129,7 +131,7 @@ WSWindowFrame::WSWindowFrame(WSWindow& window)
     }
 
     if (window.is_minimizable()) {
-        auto button = make<WSButton>(*this, *s_minimize_button_bitmap, [this](auto&) {
+        auto button = make<Button>(*this, *s_minimize_button_bitmap, [this](auto&) {
             m_window.set_minimized(true);
         });
         m_minimize_button = button.ptr();
@@ -137,22 +139,22 @@ WSWindowFrame::WSWindowFrame(WSWindow& window)
     }
 }
 
-WSWindowFrame::~WSWindowFrame()
+WindowFrame::~WindowFrame()
 {
 }
 
-void WSWindowFrame::did_set_maximized(Badge<WSWindow>, bool maximized)
+void WindowFrame::did_set_maximized(Badge<Window>, bool maximized)
 {
     ASSERT(m_maximize_button);
     m_maximize_button->set_bitmap(maximized ? *s_unmaximize_button_bitmap : *s_maximize_button_bitmap);
 }
 
-Gfx::Rect WSWindowFrame::title_bar_rect() const
+Gfx::Rect WindowFrame::title_bar_rect() const
 {
     return { 3, 3, m_window.width(), window_titlebar_height };
 }
 
-Gfx::Rect WSWindowFrame::title_bar_icon_rect() const
+Gfx::Rect WindowFrame::title_bar_icon_rect() const
 {
     auto titlebar_rect = title_bar_rect();
     return {
@@ -163,7 +165,7 @@ Gfx::Rect WSWindowFrame::title_bar_icon_rect() const
     };
 }
 
-Gfx::Rect WSWindowFrame::title_bar_text_rect() const
+Gfx::Rect WindowFrame::title_bar_text_rect() const
 {
     auto titlebar_rect = title_bar_rect();
     auto titlebar_icon_rect = title_bar_icon_rect();
@@ -175,15 +177,15 @@ Gfx::Rect WSWindowFrame::title_bar_text_rect() const
     };
 }
 
-void WSWindowFrame::paint(Gfx::Painter& painter)
+void WindowFrame::paint(Gfx::Painter& painter)
 {
     Gfx::PainterStateSaver saver(painter);
     painter.translate(rect().location());
 
-    if (m_window.type() != WSWindowType::Normal)
+    if (m_window.type() != WindowType::Normal)
         return;
 
-    auto palette = WSWindowManager::the().palette();
+    auto palette = WindowManager::the().palette();
     auto& window = m_window;
 
     auto titlebar_rect = title_bar_rect();
@@ -198,7 +200,7 @@ void WSWindowFrame::paint(Gfx::Painter& painter)
     Color border_color;
     Color border_color2;
 
-    auto& wm = WSWindowManager::the();
+    auto& wm = WindowManager::the();
 
     if (&window == wm.m_highlight_window) {
         border_color = palette.highlight_window_border1();
@@ -252,13 +254,13 @@ void WSWindowFrame::paint(Gfx::Painter& painter)
     }
 }
 
-static Gfx::Rect frame_rect_for_window(WSWindow& window, const Gfx::Rect& rect)
+static Gfx::Rect frame_rect_for_window(Window& window, const Gfx::Rect& rect)
 {
     auto type = window.type();
     auto offset = !window.show_titlebar() ? (window_titlebar_height + 1) : 0;
 
     switch (type) {
-    case WSWindowType::Normal:
+    case WindowType::Normal:
         return { rect.x() - 3,
             rect.y() - window_titlebar_height - 4 + offset,
             rect.width() + 6,
@@ -268,22 +270,22 @@ static Gfx::Rect frame_rect_for_window(WSWindow& window, const Gfx::Rect& rect)
     }
 }
 
-static Gfx::Rect frame_rect_for_window(WSWindow& window)
+static Gfx::Rect frame_rect_for_window(Window& window)
 {
     return frame_rect_for_window(window, window.rect());
 }
 
-Gfx::Rect WSWindowFrame::rect() const
+Gfx::Rect WindowFrame::rect() const
 {
     return frame_rect_for_window(m_window);
 }
 
-void WSWindowFrame::invalidate_title_bar()
+void WindowFrame::invalidate_title_bar()
 {
-    WSWindowManager::the().invalidate(title_bar_rect().translated(rect().location()));
+    WindowManager::the().invalidate(title_bar_rect().translated(rect().location()));
 }
 
-void WSWindowFrame::notify_window_rect_changed(const Gfx::Rect& old_rect, const Gfx::Rect& new_rect)
+void WindowFrame::notify_window_rect_changed(const Gfx::Rect& old_rect, const Gfx::Rect& new_rect)
 {
     int window_button_width = 15;
     int window_button_height = 15;
@@ -296,25 +298,24 @@ void WSWindowFrame::notify_window_rect_changed(const Gfx::Rect& old_rect, const
         button.set_relative_rect(rect);
     }
 
-    auto& wm = WSWindowManager::the();
+    auto& wm = WindowManager::the();
     wm.invalidate(frame_rect_for_window(m_window, old_rect));
     wm.invalidate(frame_rect_for_window(m_window, new_rect));
     wm.notify_rect_changed(m_window, old_rect, new_rect);
 }
 
-void WSWindowFrame::on_mouse_event(const WSMouseEvent& event)
+void WindowFrame::on_mouse_event(const MouseEvent& event)
 {
     ASSERT(!m_window.is_fullscreen());
 
     if (m_window.is_blocked_by_modal_window())
         return;
 
-    auto& wm = WSWindowManager::the();
-    if (m_window.type() != WSWindowType::Normal)
+    auto& wm = WindowManager::the();
+    if (m_window.type() != WindowType::Normal)
         return;
 
-    if (event.type() == WSEvent::MouseDown && (event.button() == MouseButton::Left || event.button() == MouseButton::Right) &&
-        title_bar_icon_rect().contains(event.position())) {
+    if (event.type() == Event::MouseDown && (event.button() == MouseButton::Left || event.button() == MouseButton::Right) && title_bar_icon_rect().contains(event.position())) {
         wm.move_to_front_and_make_active(m_window);
         m_window.popup_window_menu(event.position().translated(rect().location()));
         return;
@@ -329,14 +330,14 @@ void WSWindowFrame::on_mouse_event(const WSMouseEvent& event)
     if (adjusted_title_bar_rect.contains(event.position())) {
         wm.clear_resize_candidate();
 
-        if (event.type() == WSEvent::MouseDown)
+        if (event.type() == Event::MouseDown)
             wm.move_to_front_and_make_active(m_window);
 
         for (auto& button : m_buttons) {
             if (button.relative_rect().contains(event.position()))
                 return button.on_mouse_event(event.translated(-button.relative_rect().location()));
         }
-        if (event.type() == WSEvent::MouseDown) {
+        if (event.type() == Event::MouseDown) {
             if (event.button() == MouseButton::Right) {
                 m_window.popup_window_menu(event.position().translated(rect().location()));
                 return;
@@ -347,7 +348,7 @@ void WSWindowFrame::on_mouse_event(const WSMouseEvent& event)
         return;
     }
 
-    if (m_window.is_resizable() && event.type() == WSEvent::MouseMove && event.buttons() == 0) {
+    if (m_window.is_resizable() && event.type() == Event::MouseMove && event.buttons() == 0) {
         constexpr ResizeDirection direction_for_hot_area[3][3] = {
             { ResizeDirection::UpLeft, ResizeDirection::Up, ResizeDirection::UpRight },
             { ResizeDirection::Left, ResizeDirection::None, ResizeDirection::Right },
@@ -360,10 +361,12 @@ void WSWindowFrame::on_mouse_event(const WSMouseEvent& event)
         int hot_area_row = min(2, window_relative_y / (outer_rect.height() / 3));
         int hot_area_column = min(2, window_relative_x / (outer_rect.width() / 3));
         wm.set_resize_candidate(m_window, direction_for_hot_area[hot_area_row][hot_area_column]);
-        WSCompositor::the().invalidate_cursor();
+        Compositor::the().invalidate_cursor();
         return;
     }
 
-    if (m_window.is_resizable() && event.type() == WSEvent::MouseDown && event.button() == MouseButton::Left)
+    if (m_window.is_resizable() && event.type() == Event::MouseDown && event.button() == MouseButton::Left)
         wm.start_window_resize(m_window, event.translated(rect().location()));
 }
+
+}
diff --git a/Servers/WindowServer/WSWindowFrame.h b/Servers/WindowServer/WindowFrame.h
index 81f8886b67..4b123c7b76 100644
--- a/Servers/WindowServer/WSWindowFrame.h
+++ b/Servers/WindowServer/WindowFrame.h
@@ -34,18 +34,20 @@ class Painter;
 class Rect;
 }
 
-class WSButton;
-class WSMouseEvent;
-class WSWindow;
+namespace WindowServer {
 
-class WSWindowFrame {
+class Button;
+class MouseEvent;
+class Window;
+
+class WindowFrame {
 public:
-    WSWindowFrame(WSWindow&);
-    ~WSWindowFrame();
+    WindowFrame(Window&);
+    ~WindowFrame();
 
     Gfx::Rect rect() const;
     void paint(Gfx::Painter&);
-    void on_mouse_event(const WSMouseEvent&);
+    void on_mouse_event(const MouseEvent&);
     void notify_window_rect_changed(const Gfx::Rect& old_rect, const Gfx::Rect& new_rect);
     void invalidate_title_bar();
 
@@ -53,11 +55,13 @@ public:
     Gfx::Rect title_bar_icon_rect() const;
     Gfx::Rect title_bar_text_rect() const;
 
-    void did_set_maximized(Badge<WSWindow>, bool);
+    void did_set_maximized(Badge<Window>, bool);
 
 private:
-    WSWindow& m_window;
-    NonnullOwnPtrVector<WSButton> m_buttons;
-    WSButton* m_maximize_button { nullptr };
-    WSButton* m_minimize_button { nullptr };
+    Window& m_window;
+    NonnullOwnPtrVector<Button> m_buttons;
+    Button* m_maximize_button { nullptr };
+    Button* m_minimize_button { nullptr };
 };
+
+}
diff --git a/Servers/WindowServer/WSWindowManager.cpp b/Servers/WindowServer/WindowManager.cpp
index 3b97e297c9..ebc91b2a07 100644
--- a/Servers/WindowServer/WSWindowManager.cpp
+++ b/Servers/WindowServer/WindowManager.cpp
@@ -24,14 +24,14 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include "WSWindowManager.h"
-#include "WSCompositor.h"
-#include "WSEventLoop.h"
-#include "WSMenu.h"
-#include "WSMenuBar.h"
-#include "WSMenuItem.h"
-#include "WSScreen.h"
-#include "WSWindow.h"
+#include "WindowManager.h"
+#include "Compositor.h"
+#include "EventLoop.h"
+#include "Menu.h"
+#include "MenuBar.h"
+#include "MenuItem.h"
+#include "Screen.h"
+#include "Window.h"
 #include <AK/LogStream.h>
 #include <AK/StdLibExtras.h>
 #include <AK/Vector.h>
@@ -40,9 +40,9 @@
 #include <LibGfx/Painter.h>
 #include <LibGfx/StylePainter.h>
 #include <LibGfx/SystemTheme.h>
-#include <WindowServer/WSButton.h>
-#include <WindowServer/WSClientConnection.h>
-#include <WindowServer/WSCursor.h>
+#include <WindowServer/Button.h>
+#include <WindowServer/ClientConnection.h>
+#include <WindowServer/Cursor.h>
 #include <WindowServer/WindowClientEndpoint.h>
 #include <errno.h>
 #include <stdio.h>
@@ -54,15 +54,17 @@
 //#define MOVE_DEBUG
 //#define DOUBLECLICK_DEBUG
 
-static WSWindowManager* s_the;
+namespace WindowServer {
 
-WSWindowManager& WSWindowManager::the()
+static WindowManager* s_the;
+
+WindowManager& WindowManager::the()
 {
     ASSERT(s_the);
     return *s_the;
 }
 
-WSWindowManager::WSWindowManager(const Gfx::PaletteImpl& palette)
+WindowManager::WindowManager(const Gfx::PaletteImpl& palette)
     : m_palette(palette)
 {
     s_the = this;
@@ -70,33 +72,33 @@ WSWindowManager::WSWindowManager(const Gfx::PaletteImpl& palette)
     reload_config(false);
 
     invalidate();
-    WSCompositor::the().compose();
+    Compositor::the().compose();
 }
 
-WSWindowManager::~WSWindowManager()
+WindowManager::~WindowManager()
 {
 }
 
-NonnullRefPtr<WSCursor> WSWindowManager::get_cursor(const String& name, const Gfx::Point& hotspot)
+NonnullRefPtr<Cursor> WindowManager::get_cursor(const String& name, const Gfx::Point& hotspot)
 {
     auto path = m_wm_config->read_entry("Cursor", name, "/res/cursors/arrow.png");
     auto gb = Gfx::Bitmap::load_from_file(path);
     if (gb)
-        return WSCursor::create(*gb, hotspot);
-    return WSCursor::create(*Gfx::Bitmap::load_from_file("/res/cursors/arrow.png"));
+        return Cursor::create(*gb, hotspot);
+    return Cursor::create(*Gfx::Bitmap::load_from_file("/res/cursors/arrow.png"));
 }
 
-NonnullRefPtr<WSCursor> WSWindowManager::get_cursor(const String& name)
+NonnullRefPtr<Cursor> WindowManager::get_cursor(const String& name)
 {
     auto path = m_wm_config->read_entry("Cursor", name, "/res/cursors/arrow.png");
     auto gb = Gfx::Bitmap::load_from_file(path);
 
     if (gb)
-        return WSCursor::create(*gb);
-    return WSCursor::create(*Gfx::Bitmap::load_from_file("/res/cursors/arrow.png"));
+        return Cursor::create(*gb);
+    return Cursor::create(*Gfx::Bitmap::load_from_file("/res/cursors/arrow.png"));
 }
 
-void WSWindowManager::reload_config(bool set_screen)
+void WindowManager::reload_config(bool set_screen)
 {
     m_wm_config = Core::ConfigFile::get_for_app("WindowManager");
 
@@ -118,32 +120,32 @@ void WSWindowManager::reload_config(bool set_screen)
     m_drag_cursor = get_cursor("Drag");
 }
 
-const Gfx::Font& WSWindowManager::font() const
+const Gfx::Font& WindowManager::font() const
 {
     return Gfx::Font::default_font();
 }
 
-const Gfx::Font& WSWindowManager::window_title_font() const
+const Gfx::Font& WindowManager::window_title_font() const
 {
     return Gfx::Font::default_bold_font();
 }
 
-const Gfx::Font& WSWindowManager::menu_font() const
+const Gfx::Font& WindowManager::menu_font() const
 {
     return Gfx::Font::default_font();
 }
 
-const Gfx::Font& WSWindowManager::app_menu_font() const
+const Gfx::Font& WindowManager::app_menu_font() const
 {
     return Gfx::Font::default_bold_font();
 }
 
-void WSWindowManager::set_resolution(int width, int height)
+void WindowManager::set_resolution(int width, int height)
 {
-    WSCompositor::the().set_resolution(width, height);
-    WSMenuManager::the().set_needs_window_resize();
-    WSClientConnection::for_each_client([&](WSClientConnection& client) {
-        client.notify_about_new_screen_rect(WSScreen::the().rect());
+    Compositor::the().set_resolution(width, height);
+    MenuManager::the().set_needs_window_resize();
+    ClientConnection::for_each_client([&](ClientConnection& client) {
+        client.notify_about_new_screen_rect(Screen::the().rect());
     });
     if (m_wm_config) {
         dbg() << "Saving resolution: " << Gfx::Size(width, height) << " to config file at " << m_wm_config->file_name();
@@ -153,23 +155,23 @@ void WSWindowManager::set_resolution(int width, int height)
     }
 }
 
-void WSWindowManager::add_window(WSWindow& window)
+void WindowManager::add_window(Window& window)
 {
     m_windows_in_order.append(&window);
 
     if (window.is_fullscreen()) {
-        Core::EventLoop::current().post_event(window, make<WSResizeEvent>(window.rect(), WSScreen::the().rect()));
-        window.set_rect(WSScreen::the().rect());
+        Core::EventLoop::current().post_event(window, make<ResizeEvent>(window.rect(), Screen::the().rect()));
+        window.set_rect(Screen::the().rect());
     }
 
     set_active_window(&window);
-    if (m_switcher.is_visible() && window.type() != WSWindowType::WindowSwitcher)
+    if (m_switcher.is_visible() && window.type() != WindowType::WindowSwitcher)
         m_switcher.refresh();
 
     recompute_occlusions();
 
     if (window.listens_to_wm_events()) {
-        for_each_window([&](WSWindow& other_window) {
+        for_each_window([&](Window& other_window) {
             if (&window != &other_window) {
                 tell_wm_listener_about_window(window, other_window);
                 tell_wm_listener_about_window_icon(window, other_window);
@@ -181,7 +183,7 @@ void WSWindowManager::add_window(WSWindow& window)
     tell_wm_listeners_window_state_changed(window);
 }
 
-void WSWindowManager::move_to_front_and_make_active(WSWindow& window)
+void WindowManager::move_to_front_and_make_active(Window& window)
 {
     if (window.is_blocked_by_modal_window())
         return;
@@ -196,20 +198,19 @@ void WSWindowManager::move_to_front_and_make_active(WSWindow& window)
     set_active_window(&window);
 }
 
-void WSWindowManager::remove_window(WSWindow& window)
+void WindowManager::remove_window(Window& window)
 {
     invalidate(window);
     m_windows_in_order.remove(&window);
     if (window.is_active())
         pick_new_active_window();
-    if (m_switcher.is_visible() && window.type() != WSWindowType::WindowSwitcher)
+    if (m_switcher.is_visible() && window.type() != WindowType::WindowSwitcher)
         m_switcher.refresh();
 
-
     recompute_occlusions();
 
-    for_each_window_listening_to_wm_events([&window](WSWindow& listener) {
-        if (!(listener.wm_event_mask() & WSWMEventMask::WindowRemovals))
+    for_each_window_listening_to_wm_events([&window](Window& listener) {
+        if (!(listener.wm_event_mask() & WMEventMask::WindowRemovals))
             return IterationDecision::Continue;
         if (!window.is_internal())
             listener.client()->post_message(WindowClient::WM_WindowRemoved(listener.window_id(), window.client_id(), window.window_id()));
@@ -217,27 +218,27 @@ void WSWindowManager::remove_window(WSWindow& window)
     });
 }
 
-void WSWindowManager::tell_wm_listener_about_window(WSWindow& listener, WSWindow& window)
+void WindowManager::tell_wm_listener_about_window(Window& listener, Window& window)
 {
-    if (!(listener.wm_event_mask() & WSWMEventMask::WindowStateChanges))
+    if (!(listener.wm_event_mask() & WMEventMask::WindowStateChanges))
         return;
     if (window.is_internal())
         return;
     listener.client()->post_message(WindowClient::WM_WindowStateChanged(listener.window_id(), window.client_id(), window.window_id(), window.is_active(), window.is_minimized(), (i32)window.type(), window.title(), window.rect()));
 }
 
-void WSWindowManager::tell_wm_listener_about_window_rect(WSWindow& listener, WSWindow& window)
+void WindowManager::tell_wm_listener_about_window_rect(Window& listener, Window& window)
 {
-    if (!(listener.wm_event_mask() & WSWMEventMask::WindowRectChanges))
+    if (!(listener.wm_event_mask() & WMEventMask::WindowRectChanges))
         return;
     if (window.is_internal())
         return;
     listener.client()->post_message(WindowClient::WM_WindowRectChanged(listener.window_id(), window.client_id(), window.window_id(), window.rect()));
 }
 
-void WSWindowManager::tell_wm_listener_about_window_icon(WSWindow& listener, WSWindow& window)
+void WindowManager::tell_wm_listener_about_window_icon(Window& listener, Window& window)
 {
-    if (!(listener.wm_event_mask() & WSWMEventMask::WindowIconChanges))
+    if (!(listener.wm_event_mask() & WMEventMask::WindowIconChanges))
         return;
     if (window.is_internal())
         return;
@@ -250,35 +251,35 @@ void WSWindowManager::tell_wm_listener_about_window_icon(WSWindow& listener, WSW
     listener.client()->post_message(WindowClient::WM_WindowIconBitmapChanged(listener.window_id(), window.client_id(), window.window_id(), window.icon().shared_buffer_id(), window.icon().size()));
 }
 
-void WSWindowManager::tell_wm_listeners_window_state_changed(WSWindow& window)
+void WindowManager::tell_wm_listeners_window_state_changed(Window& window)
 {
-    for_each_window_listening_to_wm_events([&](WSWindow& listener) {
+    for_each_window_listening_to_wm_events([&](Window& listener) {
         tell_wm_listener_about_window(listener, window);
         return IterationDecision::Continue;
     });
 }
 
-void WSWindowManager::tell_wm_listeners_window_icon_changed(WSWindow& window)
+void WindowManager::tell_wm_listeners_window_icon_changed(Window& window)
 {
-    for_each_window_listening_to_wm_events([&](WSWindow& listener) {
+    for_each_window_listening_to_wm_events([&](Window& listener) {
         tell_wm_listener_about_window_icon(listener, window);
         return IterationDecision::Continue;
     });
 }
 
-void WSWindowManager::tell_wm_listeners_window_rect_changed(WSWindow& window)
+void WindowManager::tell_wm_listeners_window_rect_changed(Window& window)
 {
-    for_each_window_listening_to_wm_events([&](WSWindow& listener) {
+    for_each_window_listening_to_wm_events([&](Window& listener) {
         tell_wm_listener_about_window_rect(listener, window);
         return IterationDecision::Continue;
     });
 }
 
-void WSWindowManager::notify_title_changed(WSWindow& window)
+void WindowManager::notify_title_changed(Window& window)
 {
-    if (window.type() != WSWindowType::Normal)
+    if (window.type() != WindowType::Normal)
         return;
-    dbg() << "[WM] WSWindow{" << &window << "} title set to \"" << window.title() << '"';
+    dbg() << "[WM] Window{" << &window << "} title set to \"" << window.title() << '"';
     invalidate(window.frame().rect());
     if (m_switcher.is_visible())
         m_switcher.refresh();
@@ -286,26 +287,26 @@ void WSWindowManager::notify_title_changed(WSWindow& window)
     tell_wm_listeners_window_state_changed(window);
 }
 
-void WSWindowManager::notify_rect_changed(WSWindow& window, const Gfx::Rect& old_rect, const Gfx::Rect& new_rect)
+void WindowManager::notify_rect_changed(Window& window, const Gfx::Rect& old_rect, const Gfx::Rect& new_rect)
 {
     UNUSED_PARAM(old_rect);
     UNUSED_PARAM(new_rect);
 #ifdef RESIZE_DEBUG
-    dbg() << "[WM] WSWindow " << &window << " rect changed " << old_rect << " -> " << new_rect;
+    dbg() << "[WM] Window " << &window << " rect changed " << old_rect << " -> " << new_rect;
 #endif
-    if (m_switcher.is_visible() && window.type() != WSWindowType::WindowSwitcher)
+    if (m_switcher.is_visible() && window.type() != WindowType::WindowSwitcher)
         m_switcher.refresh();
 
     recompute_occlusions();
 
     tell_wm_listeners_window_rect_changed(window);
 
-    WSMenuManager::the().refresh();
+    MenuManager::the().refresh();
 }
 
-void WSWindowManager::recompute_occlusions()
+void WindowManager::recompute_occlusions()
 {
-    for_each_visible_window_from_back_to_front([&](WSWindow& window) {
+    for_each_visible_window_from_back_to_front([&](Window& window) {
         if (m_switcher.is_visible()) {
             window.set_occluded(false);
         } else {
@@ -318,12 +319,12 @@ void WSWindowManager::recompute_occlusions()
     });
 }
 
-void WSWindowManager::notify_opacity_changed(WSWindow&)
+void WindowManager::notify_opacity_changed(Window&)
 {
     recompute_occlusions();
 }
 
-void WSWindowManager::notify_minimization_state_changed(WSWindow& window)
+void WindowManager::notify_minimization_state_changed(Window& window)
 {
     tell_wm_listeners_window_state_changed(window);
 
@@ -334,16 +335,16 @@ void WSWindowManager::notify_minimization_state_changed(WSWindow& window)
         pick_new_active_window();
 }
 
-void WSWindowManager::notify_occlusion_state_changed(WSWindow& window)
+void WindowManager::notify_occlusion_state_changed(Window& window)
 {
     if (window.client())
         window.client()->post_message(WindowClient::WindowStateChanged(window.window_id(), window.is_minimized(), window.is_occluded()));
 }
 
-void WSWindowManager::pick_new_active_window()
+void WindowManager::pick_new_active_window()
 {
     bool new_window_picked = false;
-    for_each_visible_window_of_type_from_front_to_back(WSWindowType::Normal, [&](WSWindow& candidate) {
+    for_each_visible_window_of_type_from_front_to_back(WindowType::Normal, [&](Window& candidate) {
         set_active_window(&candidate);
         new_window_picked = true;
         return IterationDecision::Break;
@@ -352,10 +353,10 @@ void WSWindowManager::pick_new_active_window()
         set_active_window(nullptr);
 }
 
-void WSWindowManager::start_window_move(WSWindow& window, const WSMouseEvent& event)
+void WindowManager::start_window_move(Window& window, const MouseEvent& event)
 {
 #ifdef MOVE_DEBUG
-    dbg() << "[WM] Begin moving WSWindow{" << &window << "}";
+    dbg() << "[WM] Begin moving Window{" << &window << "}";
 #endif
     move_to_front_and_make_active(window);
     m_move_window = window.make_weak_ptr();
@@ -364,7 +365,7 @@ void WSWindowManager::start_window_move(WSWindow& window, const WSMouseEvent& ev
     invalidate(window);
 }
 
-void WSWindowManager::start_window_resize(WSWindow& window, const Gfx::Point& position, MouseButton button)
+void WindowManager::start_window_resize(Window& window, const Gfx::Point& position, MouseButton button)
 {
     move_to_front_and_make_active(window);
     constexpr ResizeDirection direction_for_hot_area[3][3] = {
@@ -385,7 +386,7 @@ void WSWindowManager::start_window_resize(WSWindow& window, const Gfx::Point& po
     }
 
 #ifdef RESIZE_DEBUG
-    dbg() << "[WM] Begin resizing WSWindow{" << &window << "}";
+    dbg() << "[WM] Begin resizing Window{" << &window << "}";
 #endif
     m_resizing_mouse_button = button;
     m_resize_window = window.make_weak_ptr();
@@ -396,18 +397,18 @@ void WSWindowManager::start_window_resize(WSWindow& window, const Gfx::Point& po
     invalidate(window);
 }
 
-void WSWindowManager::start_window_resize(WSWindow& window, const WSMouseEvent& event)
+void WindowManager::start_window_resize(Window& window, const MouseEvent& event)
 {
     start_window_resize(window, event.position(), event.button());
 }
 
-bool WSWindowManager::process_ongoing_window_move(WSMouseEvent& event, WSWindow*& hovered_window)
+bool WindowManager::process_ongoing_window_move(MouseEvent& event, Window*& hovered_window)
 {
     if (!m_move_window)
         return false;
-    if (event.type() == WSEvent::MouseUp && event.button() == MouseButton::Left) {
+    if (event.type() == Event::MouseUp && event.button() == MouseButton::Left) {
 #ifdef MOVE_DEBUG
-        dbg() << "[WM] Finish moving WSWindow{" << m_move_window << "}";
+        dbg() << "[WM] Finish moving Window{" << m_move_window << "}";
 #endif
 
         invalidate(*m_move_window);
@@ -415,7 +416,7 @@ bool WSWindowManager::process_ongoing_window_move(WSMouseEvent& event, WSWindow*
             hovered_window = m_move_window;
         if (m_move_window->is_resizable()) {
             process_event_for_doubleclick(*m_move_window, event);
-            if (event.type() == WSEvent::MouseDoubleClick) {
+            if (event.type() == Event::MouseDoubleClick) {
 #if defined(DOUBLECLICK_DEBUG)
                 dbg() << "[WM] Click up became doubleclick!";
 #endif
@@ -425,7 +426,7 @@ bool WSWindowManager::process_ongoing_window_move(WSMouseEvent& event, WSWindow*
         m_move_window = nullptr;
         return true;
     }
-    if (event.type() == WSEvent::MouseMove) {
+    if (event.type() == Event::MouseMove) {
 
 #ifdef MOVE_DEBUG
         dbg() << "[WM] Moving, origin: " << m_move_origin << ", now: " << event.position();
@@ -462,7 +463,7 @@ bool WSWindowManager::process_ongoing_window_move(WSMouseEvent& event, WSWindow*
             }
             if (is_resizable && event.x() <= tiling_deadzone) {
                 m_move_window->set_tiled(WindowTileType::Left);
-            } else if (is_resizable && event.x() >= WSScreen::the().width() - tiling_deadzone) {
+            } else if (is_resizable && event.x() >= Screen::the().width() - tiling_deadzone) {
                 m_move_window->set_tiled(WindowTileType::Right);
             } else if (pixels_moved_from_start > 5 || m_move_window->tiled() == WindowTileType::None) {
                 m_move_window->set_tiled(WindowTileType::None);
@@ -477,16 +478,16 @@ bool WSWindowManager::process_ongoing_window_move(WSMouseEvent& event, WSWindow*
     return false;
 }
 
-bool WSWindowManager::process_ongoing_window_resize(const WSMouseEvent& event, WSWindow*& hovered_window)
+bool WindowManager::process_ongoing_window_resize(const MouseEvent& event, Window*& hovered_window)
 {
     if (!m_resize_window)
         return false;
 
-    if (event.type() == WSEvent::MouseUp && event.button() == m_resizing_mouse_button) {
+    if (event.type() == Event::MouseUp && event.button() == m_resizing_mouse_button) {
 #ifdef RESIZE_DEBUG
-        dbg() << "[WM] Finish resizing WSWindow{" << m_resize_window << "}";
+        dbg() << "[WM] Finish resizing Window{" << m_resize_window << "}";
 #endif
-        Core::EventLoop::current().post_event(*m_resize_window, make<WSResizeEvent>(m_resize_window->rect(), m_resize_window->rect()));
+        Core::EventLoop::current().post_event(*m_resize_window, make<ResizeEvent>(m_resize_window->rect(), m_resize_window->rect()));
         invalidate(*m_resize_window);
         if (m_resize_window->rect().contains(event.position()))
             hovered_window = m_resize_window;
@@ -495,7 +496,7 @@ bool WSWindowManager::process_ongoing_window_resize(const WSMouseEvent& event, W
         return true;
     }
 
-    if (event.type() != WSEvent::MouseMove)
+    if (event.type() != Event::MouseMove)
         return false;
 
     auto old_rect = m_resize_window->rect();
@@ -588,15 +589,15 @@ bool WSWindowManager::process_ongoing_window_resize(const WSMouseEvent& event, W
     dbg() << "[WM] Resizing, original: " << m_resize_window_original_rect << ", now: " << new_rect;
 #endif
     m_resize_window->set_rect(new_rect);
-    Core::EventLoop::current().post_event(*m_resize_window, make<WSResizeEvent>(old_rect, new_rect));
+    Core::EventLoop::current().post_event(*m_resize_window, make<ResizeEvent>(old_rect, new_rect));
     return true;
 }
 
-bool WSWindowManager::process_ongoing_drag(WSMouseEvent& event, WSWindow*& hovered_window)
+bool WindowManager::process_ongoing_drag(MouseEvent& event, Window*& hovered_window)
 {
     if (!m_dnd_client)
         return false;
-    if (!(event.type() == WSEvent::MouseUp && event.button() == MouseButton::Left))
+    if (!(event.type() == Event::MouseUp && event.button() == MouseButton::Left))
         return true;
 
     hovered_window = nullptr;
@@ -622,12 +623,12 @@ bool WSWindowManager::process_ongoing_drag(WSMouseEvent& event, WSWindow*& hover
     return true;
 }
 
-void WSWindowManager::set_cursor_tracking_button(WSButton* button)
+void WindowManager::set_cursor_tracking_button(Button* button)
 {
     m_cursor_tracking_button = button ? button->make_weak_ptr() : nullptr;
 }
 
-auto WSWindowManager::DoubleClickInfo::metadata_for_button(MouseButton button) -> ClickMetadata&
+auto WindowManager::DoubleClickInfo::metadata_for_button(MouseButton button) -> ClickMetadata&
 {
     switch (button) {
     case MouseButton::Left:
@@ -643,10 +644,10 @@ auto WSWindowManager::DoubleClickInfo::metadata_for_button(MouseButton button) -
 
 // #define DOUBLECLICK_DEBUG
 
-void WSWindowManager::process_event_for_doubleclick(WSWindow& window, WSMouseEvent& event)
+void WindowManager::process_event_for_doubleclick(Window& window, MouseEvent& event)
 {
     // We only care about button presses (because otherwise it's not a doubleclick, duh!)
-    ASSERT(event.type() == WSEvent::MouseUp);
+    ASSERT(event.type() == Event::MouseUp);
 
     if (&window != m_double_click_info.m_clicked_window) {
         // we either haven't clicked anywhere, or we haven't clicked on this
@@ -677,7 +678,7 @@ void WSWindowManager::process_event_for_doubleclick(WSWindow& window, WSMouseEve
 #if defined(DOUBLECLICK_DEBUG)
                 dbg() << "Transforming MouseUp to MouseDoubleClick (" << elapsed_since_last_click << " < " << m_double_click_speed << ")!";
 #endif
-                event = WSMouseEvent(WSEvent::MouseDoubleClick, event.position(), event.buttons(), event.button(), event.modifiers(), event.wheel_delta());
+                event = MouseEvent(Event::MouseDoubleClick, event.position(), event.buttons(), event.button(), event.modifiers(), event.wheel_delta());
                 // invalidate this now we've delivered a doubleclick, otherwise
                 // tripleclick will deliver two doubleclick events (incorrectly).
                 metadata.clock = {};
@@ -691,17 +692,17 @@ void WSWindowManager::process_event_for_doubleclick(WSWindow& window, WSMouseEve
     metadata.last_position = event.position();
 }
 
-void WSWindowManager::deliver_mouse_event(WSWindow& window, WSMouseEvent& event)
+void WindowManager::deliver_mouse_event(Window& window, MouseEvent& event)
 {
     window.dispatch_event(event);
-    if (event.type() == WSEvent::MouseUp) {
+    if (event.type() == Event::MouseUp) {
         process_event_for_doubleclick(window, event);
-        if (event.type() == WSEvent::MouseDoubleClick)
+        if (event.type() == Event::MouseDoubleClick)
             window.dispatch_event(event);
     }
 }
 
-void WSWindowManager::process_mouse_event(WSMouseEvent& event, WSWindow*& hovered_window)
+void WindowManager::process_mouse_event(MouseEvent& event, Window*& hovered_window)
 {
     hovered_window = nullptr;
 
@@ -717,11 +718,11 @@ void WSWindowManager::process_mouse_event(WSMouseEvent& event, WSWindow*& hovere
     if (m_cursor_tracking_button)
         return m_cursor_tracking_button->on_mouse_event(event.translated(-m_cursor_tracking_button->screen_rect().location()));
 
-    // This is quite hackish, but it's how the WSButton hover effect is implemented.
-    if (m_hovered_button && event.type() == WSEvent::MouseMove)
+    // This is quite hackish, but it's how the Button hover effect is implemented.
+    if (m_hovered_button && event.type() == Event::MouseMove)
         m_hovered_button->on_mouse_event(event.translated(-m_hovered_button->screen_rect().location()));
 
-    HashTable<WSWindow*> windows_who_received_mouse_event_due_to_cursor_tracking;
+    HashTable<Window*> windows_who_received_mouse_event_due_to_cursor_tracking;
 
     for (auto* window = m_windows_in_order.tail(); window; window = window->prev()) {
         if (!window->global_cursor_tracking())
@@ -735,12 +736,12 @@ void WSWindowManager::process_mouse_event(WSMouseEvent& event, WSWindow*& hovere
 
     // FIXME: Now that the menubar has a dedicated window, is this special-casing really necessary?
     if (!active_window_is_modal() && menubar_rect().contains(event.position())) {
-        WSMenuManager::the().dispatch_event(event);
+        MenuManager::the().dispatch_event(event);
         return;
     }
 
-    if (!WSMenuManager::the().open_menu_stack().is_empty()) {
-        auto* topmost_menu = WSMenuManager::the().open_menu_stack().last().ptr();
+    if (!MenuManager::the().open_menu_stack().is_empty()) {
+        auto* topmost_menu = MenuManager::the().open_menu_stack().last().ptr();
         ASSERT(topmost_menu);
         auto* window = topmost_menu->menu_window();
         ASSERT(window);
@@ -755,7 +756,7 @@ void WSWindowManager::process_mouse_event(WSMouseEvent& event, WSWindow*& hovere
 
         if (topmost_menu->hovered_item())
             topmost_menu->clear_hovered_item();
-        if (event.type() == WSEvent::MouseDown || event.type() == WSEvent::MouseUp) {
+        if (event.type() == Event::MouseDown || event.type() == Event::MouseUp) {
             auto* window_menu_of = topmost_menu->window_menu_of();
             if (window_menu_of) {
                 bool event_is_inside_taskbar_button = window_menu_of->taskbar_rect().contains(event.position());
@@ -765,14 +766,14 @@ void WSWindowManager::process_mouse_event(WSMouseEvent& event, WSWindow*& hovere
                 }
             }
 
-            if (event.type() == WSEvent::MouseDown) {
-                WSMenuManager::the().close_bar();
+            if (event.type() == Event::MouseDown) {
+                MenuManager::the().close_bar();
                 topmost_menu->set_window_menu_open(false);
             }
         }
 
-        if (event.type() == WSEvent::MouseMove) {
-            for (auto& menu : WSMenuManager::the().open_menu_stack()) {
+        if (event.type() == Event::MouseMove) {
+            for (auto& menu : MenuManager::the().open_menu_stack()) {
                 if (!menu)
                     continue;
                 if (!menu->menu_window()->rect().contains(event.position()))
@@ -786,7 +787,7 @@ void WSWindowManager::process_mouse_event(WSMouseEvent& event, WSWindow*& hovere
         return;
     }
 
-    WSWindow* event_window_with_frame = nullptr;
+    Window* event_window_with_frame = nullptr;
 
     if (m_active_input_window) {
         // At this point, we have delivered the start of an input sequence to a
@@ -800,7 +801,7 @@ void WSWindowManager::process_mouse_event(WSMouseEvent& event, WSWindow*& hovere
             deliver_mouse_event(*m_active_input_window, translated_event);
             windows_who_received_mouse_event_due_to_cursor_tracking.set(m_active_input_window.ptr());
         }
-        if (event.type() == WSEvent::MouseUp && event.buttons() == 0) {
+        if (event.type() == Event::MouseUp && event.buttons() == 0) {
             m_active_input_window = nullptr;
         }
 
@@ -812,7 +813,7 @@ void WSWindowManager::process_mouse_event(WSMouseEvent& event, WSWindow*& hovere
             return IterationDecision::Continue;
         });
     } else {
-        for_each_visible_window_from_front_to_back([&](WSWindow& window) {
+        for_each_visible_window_from_front_to_back([&](Window& window) {
             auto window_frame_rect = window.frame().rect();
             if (!window_frame_rect.contains(event.position()))
                 return IterationDecision::Continue;
@@ -823,13 +824,13 @@ void WSWindowManager::process_mouse_event(WSMouseEvent& event, WSWindow*& hovere
             // First check if we should initiate a move or resize (Logo+LMB or Logo+RMB).
             // In those cases, the event is swallowed by the window manager.
             if (window.is_movable()) {
-                if (!window.is_fullscreen() && m_keyboard_modifiers == Mod_Logo && event.type() == WSEvent::MouseDown && event.button() == MouseButton::Left) {
+                if (!window.is_fullscreen() && m_keyboard_modifiers == Mod_Logo && event.type() == Event::MouseDown && event.button() == MouseButton::Left) {
                     hovered_window = &window;
                     start_window_move(window, event);
                     m_moved_or_resized_since_logo_keydown = true;
                     return IterationDecision::Break;
                 }
-                if (window.is_resizable() && m_keyboard_modifiers == Mod_Logo && event.type() == WSEvent::MouseDown && event.button() == MouseButton::Right && !window.is_blocked_by_modal_window()) {
+                if (window.is_resizable() && m_keyboard_modifiers == Mod_Logo && event.type() == Event::MouseDown && event.button() == MouseButton::Right && !window.is_blocked_by_modal_window()) {
                     hovered_window = &window;
                     start_window_resize(window, event);
                     m_moved_or_resized_since_logo_keydown = true;
@@ -837,7 +838,7 @@ void WSWindowManager::process_mouse_event(WSMouseEvent& event, WSWindow*& hovere
                 }
             }
 
-            if (m_keyboard_modifiers == Mod_Logo && event.type() == WSEvent::MouseWheel) {
+            if (m_keyboard_modifiers == Mod_Logo && event.type() == Event::MouseWheel) {
                 float opacity_change = -event.wheel_delta() * 0.05f;
                 float new_opacity = window.opacity() + opacity_change;
                 if (new_opacity < 0.05f)
@@ -851,28 +852,28 @@ void WSWindowManager::process_mouse_event(WSMouseEvent& event, WSWindow*& hovere
 
             // Well okay, let's see if we're hitting the frame or the window inside the frame.
             if (window.rect().contains(event.position())) {
-                if (window.type() == WSWindowType::Normal && event.type() == WSEvent::MouseDown)
+                if (window.type() == WindowType::Normal && event.type() == Event::MouseDown)
                     move_to_front_and_make_active(window);
 
                 hovered_window = &window;
                 if (!window.global_cursor_tracking() && !windows_who_received_mouse_event_due_to_cursor_tracking.contains(&window)) {
                     auto translated_event = event.translated(-window.position());
                     deliver_mouse_event(window, translated_event);
-                    if (event.type() == WSEvent::MouseDown) {
+                    if (event.type() == Event::MouseDown) {
                         m_active_input_window = window.make_weak_ptr();
                     }
                 }
                 return IterationDecision::Break;
             }
 
-            // We are hitting the frame, pass the event along to WSWindowFrame.
+            // We are hitting the frame, pass the event along to WindowFrame.
             window.frame().on_mouse_event(event.translated(-window_frame_rect.location()));
             event_window_with_frame = &window;
             return IterationDecision::Break;
         });
 
         // Clicked outside of any window
-        if (!hovered_window && !event_window_with_frame && event.type() == WSEvent::MouseDown)
+        if (!hovered_window && !event_window_with_frame && event.type() == Event::MouseDown)
             set_active_window(nullptr);
     }
 
@@ -880,17 +881,17 @@ void WSWindowManager::process_mouse_event(WSMouseEvent& event, WSWindow*& hovere
         clear_resize_candidate();
 }
 
-void WSWindowManager::clear_resize_candidate()
+void WindowManager::clear_resize_candidate()
 {
     if (m_resize_candidate)
-        WSCompositor::the().invalidate_cursor();
+        Compositor::the().invalidate_cursor();
     m_resize_candidate = nullptr;
 }
 
-bool WSWindowManager::any_opaque_window_contains_rect(const Gfx::Rect& rect)
+bool WindowManager::any_opaque_window_contains_rect(const Gfx::Rect& rect)
 {
     bool found_containing_window = false;
-    for_each_visible_window_from_back_to_front([&](WSWindow& window) {
+    for_each_visible_window_from_back_to_front([&](Window& window) {
         if (window.is_minimized())
             return IterationDecision::Continue;
         if (window.opacity() < 1.0f)
@@ -909,11 +910,11 @@ bool WSWindowManager::any_opaque_window_contains_rect(const Gfx::Rect& rect)
     return found_containing_window;
 };
 
-bool WSWindowManager::any_opaque_window_above_this_one_contains_rect(const WSWindow& a_window, const Gfx::Rect& rect)
+bool WindowManager::any_opaque_window_above_this_one_contains_rect(const Window& a_window, const Gfx::Rect& rect)
 {
     bool found_containing_window = false;
     bool checking = false;
-    for_each_visible_window_from_back_to_front([&](WSWindow& window) {
+    for_each_visible_window_from_back_to_front([&](Window& window) {
         if (&window == &a_window) {
             checking = true;
             return IterationDecision::Continue;
@@ -937,56 +938,56 @@ bool WSWindowManager::any_opaque_window_above_this_one_contains_rect(const WSWin
     return found_containing_window;
 };
 
-Gfx::Rect WSWindowManager::menubar_rect() const
+Gfx::Rect WindowManager::menubar_rect() const
 {
     if (active_fullscreen_window())
         return {};
-    return WSMenuManager::the().menubar_rect();
+    return MenuManager::the().menubar_rect();
 }
 
-void WSWindowManager::draw_window_switcher()
+void WindowManager::draw_window_switcher()
 {
     if (m_switcher.is_visible())
         m_switcher.draw();
 }
 
-void WSWindowManager::event(Core::Event& event)
+void WindowManager::event(Core::Event& event)
 {
-    if (static_cast<WSEvent&>(event).is_mouse_event()) {
-        WSWindow* hovered_window = nullptr;
-        process_mouse_event(static_cast<WSMouseEvent&>(event), hovered_window);
+    if (static_cast<Event&>(event).is_mouse_event()) {
+        Window* hovered_window = nullptr;
+        process_mouse_event(static_cast<MouseEvent&>(event), hovered_window);
         set_hovered_window(hovered_window);
         return;
     }
 
-    if (static_cast<WSEvent&>(event).is_key_event()) {
-        auto& key_event = static_cast<const WSKeyEvent&>(event);
+    if (static_cast<Event&>(event).is_key_event()) {
+        auto& key_event = static_cast<const KeyEvent&>(event);
         m_keyboard_modifiers = key_event.modifiers();
 
-        if (key_event.type() == WSEvent::KeyDown && key_event.key() == Key_Escape && m_dnd_client) {
+        if (key_event.type() == Event::KeyDown && key_event.key() == Key_Escape && m_dnd_client) {
             m_dnd_client->post_message(WindowClient::DragCancelled());
             end_dnd_drag();
             return;
         }
 
         if (key_event.key() == Key_Logo) {
-            if (key_event.type() == WSEvent::KeyUp) {
+            if (key_event.type() == Event::KeyUp) {
                 if (!m_moved_or_resized_since_logo_keydown && !m_switcher.is_visible() && !m_move_window && !m_resize_window) {
-                    WSMenuManager::the().toggle_menu(WSMenuManager::the().system_menu());
+                    MenuManager::the().toggle_menu(MenuManager::the().system_menu());
                     return;
                 }
 
-            } else if (key_event.type() == WSEvent::KeyDown) {
+            } else if (key_event.type() == Event::KeyDown) {
                 m_moved_or_resized_since_logo_keydown = false;
             }
         }
 
-        if (WSMenuManager::the().current_menu()) {
-            WSMenuManager::the().dispatch_event(event);
+        if (MenuManager::the().current_menu()) {
+            MenuManager::the().dispatch_event(event);
             return;
         }
 
-        if (key_event.type() == WSEvent::KeyDown && ((key_event.modifiers() == Mod_Logo && key_event.key() == Key_Tab) || (key_event.modifiers() == (Mod_Logo | Mod_Shift) && key_event.key() == Key_Tab)))
+        if (key_event.type() == Event::KeyDown && ((key_event.modifiers() == Mod_Logo && key_event.key() == Key_Tab) || (key_event.modifiers() == (Mod_Logo | Mod_Shift) && key_event.key() == Key_Tab)))
             m_switcher.show();
         if (m_switcher.is_visible()) {
             m_switcher.on_key_event(key_event);
@@ -994,7 +995,7 @@ void WSWindowManager::event(Core::Event& event)
         }
 
         if (m_active_window) {
-            if (key_event.type() == WSEvent::KeyDown && key_event.modifiers() == Mod_Logo) {
+            if (key_event.type() == Event::KeyDown && key_event.modifiers() == Mod_Logo) {
                 if (key_event.key() == Key_Down) {
                     m_moved_or_resized_since_logo_keydown = true;
                     if (m_active_window->is_resizable() && m_active_window->is_maximized()) {
@@ -1043,7 +1044,7 @@ void WSWindowManager::event(Core::Event& event)
     Core::Object::event(event);
 }
 
-void WSWindowManager::set_highlight_window(WSWindow* window)
+void WindowManager::set_highlight_window(Window* window)
 {
     if (window == m_highlight_window)
         return;
@@ -1054,12 +1055,12 @@ void WSWindowManager::set_highlight_window(WSWindow* window)
         invalidate(*m_highlight_window);
 }
 
-void WSWindowManager::set_active_window(WSWindow* window)
+void WindowManager::set_active_window(Window* window)
 {
     if (window && window->is_blocked_by_modal_window())
         return;
 
-    if (window && window->type() != WSWindowType::Normal)
+    if (window && window->type() != WindowType::Normal)
         return;
 
     if (window == m_active_window)
@@ -1067,12 +1068,12 @@ void WSWindowManager::set_active_window(WSWindow* window)
 
     auto* previously_active_window = m_active_window.ptr();
 
-    WSClientConnection* previously_active_client = nullptr;
-    WSClientConnection* active_client = nullptr;
+    ClientConnection* previously_active_client = nullptr;
+    ClientConnection* active_client = nullptr;
 
     if (previously_active_window) {
         previously_active_client = previously_active_window->client();
-        Core::EventLoop::current().post_event(*previously_active_window, make<WSEvent>(WSEvent::WindowDeactivated));
+        Core::EventLoop::current().post_event(*previously_active_window, make<Event>(Event::WindowDeactivated));
         invalidate(*previously_active_window);
         m_active_window = nullptr;
         tell_wm_listeners_window_state_changed(*previously_active_window);
@@ -1081,15 +1082,15 @@ void WSWindowManager::set_active_window(WSWindow* window)
     if (window) {
         m_active_window = window->make_weak_ptr();
         active_client = m_active_window->client();
-        Core::EventLoop::current().post_event(*m_active_window, make<WSEvent>(WSEvent::WindowActivated));
+        Core::EventLoop::current().post_event(*m_active_window, make<Event>(Event::WindowActivated));
         invalidate(*m_active_window);
 
         auto* client = window->client();
         ASSERT(client);
-        WSMenuManager::the().set_current_menubar(client->app_menubar());
+        MenuManager::the().set_current_menubar(client->app_menubar());
         tell_wm_listeners_window_state_changed(*m_active_window);
     } else {
-        WSMenuManager::the().set_current_menubar(nullptr);
+        MenuManager::the().set_current_menubar(nullptr);
     }
 
     if (active_client != previously_active_client) {
@@ -1100,39 +1101,39 @@ void WSWindowManager::set_active_window(WSWindow* window)
     }
 }
 
-void WSWindowManager::set_hovered_window(WSWindow* window)
+void WindowManager::set_hovered_window(Window* window)
 {
     if (m_hovered_window == window)
         return;
 
     if (m_hovered_window)
-        Core::EventLoop::current().post_event(*m_hovered_window, make<WSEvent>(WSEvent::WindowLeft));
+        Core::EventLoop::current().post_event(*m_hovered_window, make<Event>(Event::WindowLeft));
 
     m_hovered_window = window ? window->make_weak_ptr() : nullptr;
 
     if (m_hovered_window)
-        Core::EventLoop::current().post_event(*m_hovered_window, make<WSEvent>(WSEvent::WindowEntered));
+        Core::EventLoop::current().post_event(*m_hovered_window, make<Event>(Event::WindowEntered));
 }
 
-void WSWindowManager::invalidate()
+void WindowManager::invalidate()
 {
-    WSCompositor::the().invalidate();
+    Compositor::the().invalidate();
 }
 
-void WSWindowManager::invalidate(const Gfx::Rect& rect)
+void WindowManager::invalidate(const Gfx::Rect& rect)
 {
-    WSCompositor::the().invalidate(rect);
+    Compositor::the().invalidate(rect);
 }
 
-void WSWindowManager::invalidate(const WSWindow& window)
+void WindowManager::invalidate(const Window& window)
 {
     invalidate(window.frame().rect());
 }
 
-void WSWindowManager::invalidate(const WSWindow& window, const Gfx::Rect& rect)
+void WindowManager::invalidate(const Window& window, const Gfx::Rect& rect)
 {
-    if (window.type() == WSWindowType::MenuApplet) {
-        WSMenuManager::the().invalidate_applet(window, rect);
+    if (window.type() == WindowType::MenuApplet) {
+        MenuManager::the().invalidate_applet(window, rect);
         return;
     }
 
@@ -1148,20 +1149,20 @@ void WSWindowManager::invalidate(const WSWindow& window, const Gfx::Rect& rect)
     invalidate(inner_rect);
 }
 
-const WSClientConnection* WSWindowManager::active_client() const
+const ClientConnection* WindowManager::active_client() const
 {
     if (m_active_window)
         return m_active_window->client();
     return nullptr;
 }
 
-void WSWindowManager::notify_client_changed_app_menubar(WSClientConnection& client)
+void WindowManager::notify_client_changed_app_menubar(ClientConnection& client)
 {
     if (active_client() == &client)
-        WSMenuManager::the().set_current_menubar(client.app_menubar());
+        MenuManager::the().set_current_menubar(client.app_menubar());
 }
 
-const WSCursor& WSWindowManager::active_cursor() const
+const Cursor& WindowManager::active_cursor() const
 {
     if (m_dnd_client)
         return *m_drag_cursor;
@@ -1194,27 +1195,27 @@ const WSCursor& WSWindowManager::active_cursor() const
     return *m_arrow_cursor;
 }
 
-void WSWindowManager::set_hovered_button(WSButton* button)
+void WindowManager::set_hovered_button(Button* button)
 {
     m_hovered_button = button ? button->make_weak_ptr() : nullptr;
 }
 
-void WSWindowManager::set_resize_candidate(WSWindow& window, ResizeDirection direction)
+void WindowManager::set_resize_candidate(Window& window, ResizeDirection direction)
 {
     m_resize_candidate = window.make_weak_ptr();
     m_resize_direction = direction;
 }
 
-ResizeDirection WSWindowManager::resize_direction_of_window(const WSWindow& window)
+ResizeDirection WindowManager::resize_direction_of_window(const Window& window)
 {
     if (&window != m_resize_window)
         return ResizeDirection::None;
     return m_resize_direction;
 }
 
-Gfx::Rect WSWindowManager::maximized_window_rect(const WSWindow& window) const
+Gfx::Rect WindowManager::maximized_window_rect(const Window& window) const
 {
-    Gfx::Rect rect = WSScreen::the().rect();
+    Gfx::Rect rect = Screen::the().rect();
 
     // Subtract window title bar (leaving the border)
     rect.set_y(rect.y() + window.frame().title_bar_rect().height());
@@ -1225,7 +1226,7 @@ Gfx::Rect WSWindowManager::maximized_window_rect(const WSWindow& window) const
     rect.set_height(rect.height() - menubar_rect().height());
 
     // Subtract taskbar window height if present
-    const_cast<WSWindowManager*>(this)->for_each_visible_window_of_type_from_back_to_front(WSWindowType::Taskbar, [&rect](WSWindow& taskbar_window) {
+    const_cast<WindowManager*>(this)->for_each_visible_window_of_type_from_back_to_front(WindowType::Taskbar, [&rect](Window& taskbar_window) {
         rect.set_height(rect.height() - taskbar_window.height());
         return IterationDecision::Break;
     });
@@ -1233,7 +1234,7 @@ Gfx::Rect WSWindowManager::maximized_window_rect(const WSWindow& window) const
     return rect;
 }
 
-void WSWindowManager::start_dnd_drag(WSClientConnection& client, const String& text, Gfx::Bitmap* bitmap, const String& data_type, const String& data)
+void WindowManager::start_dnd_drag(ClientConnection& client, const String& text, Gfx::Bitmap* bitmap, const String& data_type, const String& data)
 {
     ASSERT(!m_dnd_client);
     m_dnd_client = client.make_weak_ptr();
@@ -1241,37 +1242,37 @@ void WSWindowManager::start_dnd_drag(WSClientConnection& client, const String& t
     m_dnd_bitmap = bitmap;
     m_dnd_data_type = data_type;
     m_dnd_data = data;
-    WSCompositor::the().invalidate_cursor();
+    Compositor::the().invalidate_cursor();
     m_active_input_window = nullptr;
 }
 
-void WSWindowManager::end_dnd_drag()
+void WindowManager::end_dnd_drag()
 {
     ASSERT(m_dnd_client);
-    WSCompositor::the().invalidate_cursor();
+    Compositor::the().invalidate_cursor();
     m_dnd_client = nullptr;
     m_dnd_text = {};
     m_dnd_bitmap = nullptr;
 }
 
-Gfx::Rect WSWindowManager::dnd_rect() const
+Gfx::Rect WindowManager::dnd_rect() const
 {
     int bitmap_width = m_dnd_bitmap ? m_dnd_bitmap->width() : 0;
     int bitmap_height = m_dnd_bitmap ? m_dnd_bitmap->height() : 0;
     int width = font().width(m_dnd_text) + bitmap_width;
     int height = max((int)font().glyph_height(), bitmap_height);
-    auto location = WSCompositor::the().current_cursor_rect().center().translated(8, 8);
+    auto location = Compositor::the().current_cursor_rect().center().translated(8, 8);
     return Gfx::Rect(location, { width, height }).inflated(4, 4);
 }
 
-void WSWindowManager::update_theme(String theme_path, String theme_name)
+void WindowManager::update_theme(String theme_path, String theme_name)
 {
     auto new_theme = Gfx::load_system_theme(theme_path);
     ASSERT(new_theme);
     Gfx::set_system_theme(*new_theme);
     m_palette = Gfx::PaletteImpl::create_with_shared_buffer(*new_theme);
-    HashTable<WSClientConnection*> notified_clients;
-    for_each_window([&](WSWindow& window) {
+    HashTable<ClientConnection*> notified_clients;
+    for_each_window([&](Window& window) {
         if (window.client()) {
             if (!notified_clients.contains(window.client())) {
                 window.client()->post_message(WindowClient::UpdateSystemTheme(Gfx::current_system_theme_buffer_id()));
@@ -1285,3 +1286,5 @@ void WSWindowManager::update_theme(String theme_path, String theme_name)
     wm_config->sync();
     invalidate();
 }
+
+}
diff --git a/Servers/WindowServer/WSWindowManager.h b/Servers/WindowServer/WindowManager.h
index 7b5f2ae1ea..c745e93128 100644
--- a/Servers/WindowServer/WSWindowManager.h
+++ b/Servers/WindowServer/WindowManager.h
@@ -37,21 +37,22 @@
 #include <LibGfx/Painter.h>
 #include <LibGfx/Palette.h>
 #include <LibGfx/Rect.h>
-#include <WindowServer/WSCursor.h>
-#include <WindowServer/WSEvent.h>
-#include <WindowServer/WSMenuBar.h>
-#include <WindowServer/WSMenuManager.h>
-#include <WindowServer/WSWindow.h>
-#include <WindowServer/WSWindowSwitcher.h>
-#include <WindowServer/WSWindowType.h>
-
-class WSScreen;
-class WSMouseEvent;
-class WSClientWantsToPaintMessage;
-class WSWindow;
-class WSClientConnection;
-class WSWindowSwitcher;
-class WSButton;
+#include <WindowServer/Cursor.h>
+#include <WindowServer/Event.h>
+#include <WindowServer/MenuBar.h>
+#include <WindowServer/MenuManager.h>
+#include <WindowServer/Window.h>
+#include <WindowServer/WindowSwitcher.h>
+#include <WindowServer/WindowType.h>
+
+namespace WindowServer {
+
+class Screen;
+class MouseEvent;
+class Window;
+class ClientConnection;
+class WindowSwitcher;
+class Button;
 
 enum class ResizeDirection {
     None,
@@ -65,18 +66,18 @@ enum class ResizeDirection {
     DownLeft
 };
 
-class WSWindowManager : public Core::Object {
-    C_OBJECT(WSWindowManager)
+class WindowManager : public Core::Object {
+    C_OBJECT(WindowManager)
 
-    friend class WSCompositor;
-    friend class WSWindowFrame;
-    friend class WSWindowSwitcher;
+    friend class Compositor;
+    friend class WindowFrame;
+    friend class WindowSwitcher;
 
 public:
-    static WSWindowManager& the();
+    static WindowManager& the();
 
-    explicit WSWindowManager(const Gfx::PaletteImpl&);
-    virtual ~WSWindowManager() override;
+    explicit WindowManager(const Gfx::PaletteImpl&);
+    virtual ~WindowManager() override;
 
     Palette palette() const { return Palette(*m_palette); }
 
@@ -86,55 +87,55 @@ public:
     }
     void reload_config(bool);
 
-    void add_window(WSWindow&);
-    void remove_window(WSWindow&);
+    void add_window(Window&);
+    void remove_window(Window&);
 
-    void notify_title_changed(WSWindow&);
-    void notify_rect_changed(WSWindow&, const Gfx::Rect& oldRect, const Gfx::Rect& newRect);
-    void notify_minimization_state_changed(WSWindow&);
-    void notify_opacity_changed(WSWindow&);
-    void notify_occlusion_state_changed(WSWindow&);
-    void notify_client_changed_app_menubar(WSClientConnection&);
+    void notify_title_changed(Window&);
+    void notify_rect_changed(Window&, const Gfx::Rect& oldRect, const Gfx::Rect& newRect);
+    void notify_minimization_state_changed(Window&);
+    void notify_opacity_changed(Window&);
+    void notify_occlusion_state_changed(Window&);
+    void notify_client_changed_app_menubar(ClientConnection&);
 
-    Gfx::Rect maximized_window_rect(const WSWindow&) const;
+    Gfx::Rect maximized_window_rect(const Window&) const;
 
-    WSClientConnection* dnd_client() { return m_dnd_client.ptr(); }
+    ClientConnection* dnd_client() { return m_dnd_client.ptr(); }
     const String& dnd_text() const { return m_dnd_text; }
     const String& dnd_data_type() const { return m_dnd_data_type; }
     const String& dnd_data() const { return m_dnd_data; }
     const Gfx::Bitmap* dnd_bitmap() const { return m_dnd_bitmap; }
     Gfx::Rect dnd_rect() const;
 
-    void start_dnd_drag(WSClientConnection&, const String& text, Gfx::Bitmap*, const String& data_type, const String& data);
+    void start_dnd_drag(ClientConnection&, const String& text, Gfx::Bitmap*, const String& data_type, const String& data);
     void end_dnd_drag();
 
-    WSWindow* active_window() { return m_active_window.ptr(); }
-    const WSClientConnection* active_client() const;
+    Window* active_window() { return m_active_window.ptr(); }
+    const ClientConnection* active_client() const;
     bool active_window_is_modal() const { return m_active_window && m_active_window->is_modal(); }
 
-    WSWindow* highlight_window() { return m_highlight_window.ptr(); }
-    void set_highlight_window(WSWindow*);
+    Window* highlight_window() { return m_highlight_window.ptr(); }
+    void set_highlight_window(Window*);
 
-    void move_to_front_and_make_active(WSWindow&);
+    void move_to_front_and_make_active(Window&);
 
     void draw_window_switcher();
 
     Gfx::Rect menubar_rect() const;
 
-    const WSCursor& active_cursor() const;
-    const WSCursor& arrow_cursor() const { return *m_arrow_cursor; }
-    const WSCursor& hand_cursor() const { return *m_hand_cursor; }
-    const WSCursor& resize_horizontally_cursor() const { return *m_resize_horizontally_cursor; }
-    const WSCursor& resize_vertically_cursor() const { return *m_resize_vertically_cursor; }
-    const WSCursor& resize_diagonally_tlbr_cursor() const { return *m_resize_diagonally_tlbr_cursor; }
-    const WSCursor& resize_diagonally_bltr_cursor() const { return *m_resize_diagonally_bltr_cursor; }
-    const WSCursor& i_beam_cursor() const { return *m_i_beam_cursor; }
-    const WSCursor& disallowed_cursor() const { return *m_disallowed_cursor; }
-    const WSCursor& move_cursor() const { return *m_move_cursor; }
-    const WSCursor& drag_cursor() const { return *m_drag_cursor; }
-
-    void invalidate(const WSWindow&);
-    void invalidate(const WSWindow&, const Gfx::Rect&);
+    const Cursor& active_cursor() const;
+    const Cursor& arrow_cursor() const { return *m_arrow_cursor; }
+    const Cursor& hand_cursor() const { return *m_hand_cursor; }
+    const Cursor& resize_horizontally_cursor() const { return *m_resize_horizontally_cursor; }
+    const Cursor& resize_vertically_cursor() const { return *m_resize_vertically_cursor; }
+    const Cursor& resize_diagonally_tlbr_cursor() const { return *m_resize_diagonally_tlbr_cursor; }
+    const Cursor& resize_diagonally_bltr_cursor() const { return *m_resize_diagonally_bltr_cursor; }
+    const Cursor& i_beam_cursor() const { return *m_i_beam_cursor; }
+    const Cursor& disallowed_cursor() const { return *m_disallowed_cursor; }
+    const Cursor& move_cursor() const { return *m_move_cursor; }
+    const Cursor& drag_cursor() const { return *m_drag_cursor; }
+
+    void invalidate(const Window&);
+    void invalidate(const Window&, const Gfx::Rect&);
     void invalidate(const Gfx::Rect&);
     void invalidate();
     void flush(const Gfx::Rect&);
@@ -148,47 +149,47 @@ public:
 
     void set_resolution(int width, int height);
 
-    void set_active_window(WSWindow*);
-    void set_hovered_button(WSButton*);
+    void set_active_window(Window*);
+    void set_hovered_button(Button*);
 
-    WSButton* cursor_tracking_button() { return m_cursor_tracking_button.ptr(); }
-    void set_cursor_tracking_button(WSButton*);
+    Button* cursor_tracking_button() { return m_cursor_tracking_button.ptr(); }
+    void set_cursor_tracking_button(Button*);
 
-    void set_resize_candidate(WSWindow&, ResizeDirection);
+    void set_resize_candidate(Window&, ResizeDirection);
     void clear_resize_candidate();
-    ResizeDirection resize_direction_of_window(const WSWindow&);
+    ResizeDirection resize_direction_of_window(const Window&);
 
     bool any_opaque_window_contains_rect(const Gfx::Rect&);
-    bool any_opaque_window_above_this_one_contains_rect(const WSWindow&, const Gfx::Rect&);
+    bool any_opaque_window_above_this_one_contains_rect(const Window&, const Gfx::Rect&);
 
-    void tell_wm_listeners_window_state_changed(WSWindow&);
-    void tell_wm_listeners_window_icon_changed(WSWindow&);
-    void tell_wm_listeners_window_rect_changed(WSWindow&);
+    void tell_wm_listeners_window_state_changed(Window&);
+    void tell_wm_listeners_window_icon_changed(Window&);
+    void tell_wm_listeners_window_rect_changed(Window&);
 
-    void start_window_resize(WSWindow&, const Gfx::Point&, MouseButton);
-    void start_window_resize(WSWindow&, const WSMouseEvent&);
+    void start_window_resize(Window&, const Gfx::Point&, MouseButton);
+    void start_window_resize(Window&, const MouseEvent&);
 
-    const WSWindow* active_fullscreen_window() const { return (m_active_window && m_active_window->is_fullscreen()) ? m_active_window : nullptr; }
-    WSWindow* active_fullscreen_window() { return (m_active_window && m_active_window->is_fullscreen()) ? m_active_window : nullptr; }
+    const Window* active_fullscreen_window() const { return (m_active_window && m_active_window->is_fullscreen()) ? m_active_window : nullptr; }
+    Window* active_fullscreen_window() { return (m_active_window && m_active_window->is_fullscreen()) ? m_active_window : nullptr; }
 
     void update_theme(String theme_path, String theme_name);
 
 private:
-    NonnullRefPtr<WSCursor> get_cursor(const String& name);
-    NonnullRefPtr<WSCursor> get_cursor(const String& name, const Gfx::Point& hotspot);
-
-    void process_mouse_event(WSMouseEvent&, WSWindow*& hovered_window);
-    void process_event_for_doubleclick(WSWindow& window, WSMouseEvent& event);
-    void deliver_mouse_event(WSWindow& window, WSMouseEvent& event);
-    bool process_ongoing_window_resize(const WSMouseEvent&, WSWindow*& hovered_window);
-    bool process_ongoing_window_move(WSMouseEvent&, WSWindow*& hovered_window);
-    bool process_ongoing_drag(WSMouseEvent&, WSWindow*& hovered_window);
-    void start_window_move(WSWindow&, const WSMouseEvent&);
-    void set_hovered_window(WSWindow*);
+    NonnullRefPtr<Cursor> get_cursor(const String& name);
+    NonnullRefPtr<Cursor> get_cursor(const String& name, const Gfx::Point& hotspot);
+
+    void process_mouse_event(MouseEvent&, Window*& hovered_window);
+    void process_event_for_doubleclick(Window& window, MouseEvent& event);
+    void deliver_mouse_event(Window& window, MouseEvent& event);
+    bool process_ongoing_window_resize(const MouseEvent&, Window*& hovered_window);
+    bool process_ongoing_window_move(MouseEvent&, Window*& hovered_window);
+    bool process_ongoing_drag(MouseEvent&, Window*& hovered_window);
+    void start_window_move(Window&, const MouseEvent&);
+    void set_hovered_window(Window*);
     template<typename Callback>
-    IterationDecision for_each_visible_window_of_type_from_back_to_front(WSWindowType, Callback, bool ignore_highlight = false);
+    IterationDecision for_each_visible_window_of_type_from_back_to_front(WindowType, Callback, bool ignore_highlight = false);
     template<typename Callback>
-    IterationDecision for_each_visible_window_of_type_from_front_to_back(WSWindowType, Callback, bool ignore_highlight = false);
+    IterationDecision for_each_visible_window_of_type_from_front_to_back(WindowType, Callback, bool ignore_highlight = false);
     template<typename Callback>
     IterationDecision for_each_visible_window_from_front_to_back(Callback);
     template<typename Callback>
@@ -198,27 +199,27 @@ private:
     template<typename Callback>
     void for_each_window(Callback);
     template<typename Callback>
-    IterationDecision for_each_window_of_type_from_front_to_back(WSWindowType, Callback, bool ignore_highlight = false);
+    IterationDecision for_each_window_of_type_from_front_to_back(WindowType, Callback, bool ignore_highlight = false);
 
     virtual void event(Core::Event&) override;
-    void paint_window_frame(const WSWindow&);
-    void tell_wm_listener_about_window(WSWindow& listener, WSWindow&);
-    void tell_wm_listener_about_window_icon(WSWindow& listener, WSWindow&);
-    void tell_wm_listener_about_window_rect(WSWindow& listener, WSWindow&);
+    void paint_window_frame(const Window&);
+    void tell_wm_listener_about_window(Window& listener, Window&);
+    void tell_wm_listener_about_window_icon(Window& listener, Window&);
+    void tell_wm_listener_about_window_rect(Window& listener, Window&);
     void pick_new_active_window();
 
     void recompute_occlusions();
 
-    RefPtr<WSCursor> m_arrow_cursor;
-    RefPtr<WSCursor> m_hand_cursor;
-    RefPtr<WSCursor> m_resize_horizontally_cursor;
-    RefPtr<WSCursor> m_resize_vertically_cursor;
-    RefPtr<WSCursor> m_resize_diagonally_tlbr_cursor;
-    RefPtr<WSCursor> m_resize_diagonally_bltr_cursor;
-    RefPtr<WSCursor> m_i_beam_cursor;
-    RefPtr<WSCursor> m_disallowed_cursor;
-    RefPtr<WSCursor> m_move_cursor;
-    RefPtr<WSCursor> m_drag_cursor;
+    RefPtr<Cursor> m_arrow_cursor;
+    RefPtr<Cursor> m_hand_cursor;
+    RefPtr<Cursor> m_resize_horizontally_cursor;
+    RefPtr<Cursor> m_resize_vertically_cursor;
+    RefPtr<Cursor> m_resize_diagonally_tlbr_cursor;
+    RefPtr<Cursor> m_resize_diagonally_bltr_cursor;
+    RefPtr<Cursor> m_i_beam_cursor;
+    RefPtr<Cursor> m_disallowed_cursor;
+    RefPtr<Cursor> m_move_cursor;
+    RefPtr<Cursor> m_drag_cursor;
 
     Color m_background_color;
     Color m_active_window_border_color;
@@ -234,7 +235,7 @@ private:
     Color m_highlight_window_border_color2;
     Color m_highlight_window_title_color;
 
-    InlineLinkedList<WSWindow> m_windows_in_order;
+    InlineLinkedList<Window> m_windows_in_order;
 
     struct DoubleClickInfo {
         struct ClickMetadata {
@@ -251,7 +252,7 @@ private:
             m_middle = {};
         }
 
-        WeakPtr<WSWindow> m_clicked_window;
+        WeakPtr<Window> m_clicked_window;
 
     private:
         ClickMetadata m_left;
@@ -262,17 +263,17 @@ private:
     int m_double_click_speed { 0 };
     int m_max_distance_for_double_click { 4 };
 
-    WeakPtr<WSWindow> m_active_window;
-    WeakPtr<WSWindow> m_hovered_window;
-    WeakPtr<WSWindow> m_highlight_window;
-    WeakPtr<WSWindow> m_active_input_window;
+    WeakPtr<Window> m_active_window;
+    WeakPtr<Window> m_hovered_window;
+    WeakPtr<Window> m_highlight_window;
+    WeakPtr<Window> m_active_input_window;
 
-    WeakPtr<WSWindow> m_move_window;
+    WeakPtr<Window> m_move_window;
     Gfx::Point m_move_origin;
     Gfx::Point m_move_window_origin;
 
-    WeakPtr<WSWindow> m_resize_window;
-    WeakPtr<WSWindow> m_resize_candidate;
+    WeakPtr<Window> m_resize_window;
+    WeakPtr<Window> m_resize_candidate;
     MouseButton m_resizing_mouse_button { MouseButton::None };
     Gfx::Rect m_resize_window_original_rect;
     Gfx::Point m_resize_origin;
@@ -282,16 +283,16 @@ private:
 
     u8 m_keyboard_modifiers { 0 };
 
-    WSWindowSwitcher m_switcher;
+    WindowSwitcher m_switcher;
 
-    WeakPtr<WSButton> m_cursor_tracking_button;
-    WeakPtr<WSButton> m_hovered_button;
+    WeakPtr<Button> m_cursor_tracking_button;
+    WeakPtr<Button> m_hovered_button;
 
     NonnullRefPtr<Gfx::PaletteImpl> m_palette;
 
     RefPtr<Core::ConfigFile> m_wm_config;
 
-    WeakPtr<WSClientConnection> m_dnd_client;
+    WeakPtr<ClientConnection> m_dnd_client;
     String m_dnd_text;
     String m_dnd_data_type;
     String m_dnd_data;
@@ -299,7 +300,7 @@ private:
 };
 
 template<typename Callback>
-IterationDecision WSWindowManager::for_each_visible_window_of_type_from_back_to_front(WSWindowType type, Callback callback, bool ignore_highlight)
+IterationDecision WindowManager::for_each_visible_window_of_type_from_back_to_front(WindowType type, Callback callback, bool ignore_highlight)
 {
     bool do_highlight_window_at_end = false;
     for (auto& window : m_windows_in_order) {
@@ -324,23 +325,23 @@ IterationDecision WSWindowManager::for_each_visible_window_of_type_from_back_to_
 }
 
 template<typename Callback>
-IterationDecision WSWindowManager::for_each_visible_window_from_back_to_front(Callback callback)
+IterationDecision WindowManager::for_each_visible_window_from_back_to_front(Callback callback)
 {
-    if (for_each_visible_window_of_type_from_back_to_front(WSWindowType::Normal, callback) == IterationDecision::Break)
+    if (for_each_visible_window_of_type_from_back_to_front(WindowType::Normal, callback) == IterationDecision::Break)
         return IterationDecision::Break;
-    if (for_each_visible_window_of_type_from_back_to_front(WSWindowType::Taskbar, callback) == IterationDecision::Break)
+    if (for_each_visible_window_of_type_from_back_to_front(WindowType::Taskbar, callback) == IterationDecision::Break)
         return IterationDecision::Break;
-    if (for_each_visible_window_of_type_from_back_to_front(WSWindowType::Tooltip, callback) == IterationDecision::Break)
+    if (for_each_visible_window_of_type_from_back_to_front(WindowType::Tooltip, callback) == IterationDecision::Break)
         return IterationDecision::Break;
-    if (for_each_visible_window_of_type_from_back_to_front(WSWindowType::Menubar, callback) == IterationDecision::Break)
+    if (for_each_visible_window_of_type_from_back_to_front(WindowType::Menubar, callback) == IterationDecision::Break)
         return IterationDecision::Break;
-    if (for_each_visible_window_of_type_from_back_to_front(WSWindowType::Menu, callback) == IterationDecision::Break)
+    if (for_each_visible_window_of_type_from_back_to_front(WindowType::Menu, callback) == IterationDecision::Break)
         return IterationDecision::Break;
-    return for_each_visible_window_of_type_from_back_to_front(WSWindowType::WindowSwitcher, callback);
+    return for_each_visible_window_of_type_from_back_to_front(WindowType::WindowSwitcher, callback);
 }
 
 template<typename Callback>
-IterationDecision WSWindowManager::for_each_visible_window_of_type_from_front_to_back(WSWindowType type, Callback callback, bool ignore_highlight)
+IterationDecision WindowManager::for_each_visible_window_of_type_from_front_to_back(WindowType type, Callback callback, bool ignore_highlight)
 {
     if (!ignore_highlight && m_highlight_window && m_highlight_window->type() == type && m_highlight_window->is_visible()) {
         if (callback(*m_highlight_window) == IterationDecision::Break)
@@ -363,23 +364,23 @@ IterationDecision WSWindowManager::for_each_visible_window_of_type_from_front_to
 }
 
 template<typename Callback>
-IterationDecision WSWindowManager::for_each_visible_window_from_front_to_back(Callback callback)
+IterationDecision WindowManager::for_each_visible_window_from_front_to_back(Callback callback)
 {
-    if (for_each_visible_window_of_type_from_front_to_back(WSWindowType::WindowSwitcher, callback) == IterationDecision::Break)
+    if (for_each_visible_window_of_type_from_front_to_back(WindowType::WindowSwitcher, callback) == IterationDecision::Break)
         return IterationDecision::Break;
-    if (for_each_visible_window_of_type_from_front_to_back(WSWindowType::Menu, callback) == IterationDecision::Break)
+    if (for_each_visible_window_of_type_from_front_to_back(WindowType::Menu, callback) == IterationDecision::Break)
         return IterationDecision::Break;
-    if (for_each_visible_window_of_type_from_front_to_back(WSWindowType::Menubar, callback) == IterationDecision::Break)
+    if (for_each_visible_window_of_type_from_front_to_back(WindowType::Menubar, callback) == IterationDecision::Break)
         return IterationDecision::Break;
-    if (for_each_visible_window_of_type_from_front_to_back(WSWindowType::Taskbar, callback) == IterationDecision::Break)
+    if (for_each_visible_window_of_type_from_front_to_back(WindowType::Taskbar, callback) == IterationDecision::Break)
         return IterationDecision::Break;
-    if (for_each_visible_window_of_type_from_front_to_back(WSWindowType::Tooltip, callback) == IterationDecision::Break)
+    if (for_each_visible_window_of_type_from_front_to_back(WindowType::Tooltip, callback) == IterationDecision::Break)
         return IterationDecision::Break;
-    return for_each_visible_window_of_type_from_front_to_back(WSWindowType::Normal, callback);
+    return for_each_visible_window_of_type_from_front_to_back(WindowType::Normal, callback);
 }
 
 template<typename Callback>
-void WSWindowManager::for_each_window_listening_to_wm_events(Callback callback)
+void WindowManager::for_each_window_listening_to_wm_events(Callback callback)
 {
     for (auto* window = m_windows_in_order.tail(); window; window = window->prev()) {
         if (!window->listens_to_wm_events())
@@ -390,7 +391,7 @@ void WSWindowManager::for_each_window_listening_to_wm_events(Callback callback)
 }
 
 template<typename Callback>
-void WSWindowManager::for_each_window(Callback callback)
+void WindowManager::for_each_window(Callback callback)
 {
     for (auto* window = m_windows_in_order.tail(); window; window = window->prev()) {
         if (callback(*window) == IterationDecision::Break)
@@ -399,7 +400,7 @@ void WSWindowManager::for_each_window(Callback callback)
 }
 
 template<typename Callback>
-IterationDecision WSWindowManager::for_each_window_of_type_from_front_to_back(WSWindowType type, Callback callback, bool ignore_highlight)
+IterationDecision WindowManager::for_each_window_of_type_from_front_to_back(WindowType type, Callback callback, bool ignore_highlight)
 {
     if (!ignore_highlight && m_highlight_window && m_highlight_window->type() == type && m_highlight_window->is_visible()) {
         if (callback(*m_highlight_window) == IterationDecision::Break)
@@ -416,3 +417,5 @@ IterationDecision WSWindowManager::for_each_window_of_type_from_front_to_back(WS
     }
     return IterationDecision::Continue;
 }
+
+}
diff --git a/Servers/WindowServer/WSWindowSwitcher.cpp b/Servers/WindowServer/WindowSwitcher.cpp
index 8e622ee230..d32a584d27 100644
--- a/Servers/WindowServer/WSWindowSwitcher.cpp
+++ b/Servers/WindowServer/WindowSwitcher.cpp
@@ -24,37 +24,39 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <LibGfx/Font.h>
 #include <LibGfx/Bitmap.h>
+#include <LibGfx/Font.h>
 #include <LibGfx/StylePainter.h>
-#include <WindowServer/WSEvent.h>
-#include <WindowServer/WSScreen.h>
-#include <WindowServer/WSWindowManager.h>
-#include <WindowServer/WSWindowSwitcher.h>
+#include <WindowServer/Event.h>
+#include <WindowServer/Screen.h>
+#include <WindowServer/WindowManager.h>
+#include <WindowServer/WindowSwitcher.h>
+
+namespace WindowServer {
 
-static WSWindowSwitcher* s_the;
+static WindowSwitcher* s_the;
 
-WSWindowSwitcher& WSWindowSwitcher::the()
+WindowSwitcher& WindowSwitcher::the()
 {
     ASSERT(s_the);
     return *s_the;
 }
 
-WSWindowSwitcher::WSWindowSwitcher()
+WindowSwitcher::WindowSwitcher()
 {
     s_the = this;
 }
 
-WSWindowSwitcher::~WSWindowSwitcher()
+WindowSwitcher::~WindowSwitcher()
 {
 }
 
-void WSWindowSwitcher::set_visible(bool visible)
+void WindowSwitcher::set_visible(bool visible)
 {
     if (m_visible == visible)
         return;
     m_visible = visible;
-    WSWindowManager::the().recompute_occlusions();
+    WindowManager::the().recompute_occlusions();
     if (m_switcher_window)
         m_switcher_window->set_visible(visible);
     if (!m_visible)
@@ -62,22 +64,22 @@ void WSWindowSwitcher::set_visible(bool visible)
     refresh();
 }
 
-WSWindow* WSWindowSwitcher::selected_window()
+Window* WindowSwitcher::selected_window()
 {
     if (m_selected_index < 0 || m_selected_index >= m_windows.size())
         return nullptr;
     return m_windows[m_selected_index].ptr();
 }
 
-void WSWindowSwitcher::on_key_event(const WSKeyEvent& event)
+void WindowSwitcher::on_key_event(const KeyEvent& event)
 {
-    if (event.type() == WSEvent::KeyUp) {
+    if (event.type() == Event::KeyUp) {
         if (event.key() == Key_Logo) {
             if (auto* window = selected_window()) {
                 window->set_minimized(false);
-                WSWindowManager::the().move_to_front_and_make_active(*window);
+                WindowManager::the().move_to_front_and_make_active(*window);
             }
-            WSWindowManager::the().set_highlight_window(nullptr);
+            WindowManager::the().set_highlight_window(nullptr);
             hide();
         }
         return;
@@ -86,7 +88,7 @@ void WSWindowSwitcher::on_key_event(const WSKeyEvent& event)
     if (event.key() == Key_LeftShift || event.key() == Key_RightShift)
         return;
     if (event.key() != Key_Tab) {
-        WSWindowManager::the().set_highlight_window(nullptr);
+        WindowManager::the().set_highlight_window(nullptr);
         hide();
         return;
     }
@@ -102,14 +104,14 @@ void WSWindowSwitcher::on_key_event(const WSKeyEvent& event)
     ASSERT(m_selected_index < m_windows.size());
     auto* highlight_window = m_windows.at(m_selected_index).ptr();
     ASSERT(highlight_window);
-    WSWindowManager::the().set_highlight_window(highlight_window);
+    WindowManager::the().set_highlight_window(highlight_window);
     draw();
-    WSWindowManager::the().invalidate(m_rect);
+    WindowManager::the().invalidate(m_rect);
 }
 
-void WSWindowSwitcher::draw()
+void WindowSwitcher::draw()
 {
-    auto palette = WSWindowManager::the().palette();
+    auto palette = WindowManager::the().palette();
     Gfx::Painter painter(*m_switcher_window->backing_store());
     painter.fill_rect({ {}, m_rect.size() }, palette.window());
     painter.draw_rect({ {}, m_rect.size() }, palette.threed_shadow2());
@@ -140,15 +142,15 @@ void WSWindowSwitcher::draw()
         Gfx::Rect icon_rect = { thumbnail_rect.bottom_right().translated(-window.icon().width(), -window.icon().height()), { window.icon().width(), window.icon().height() } };
         painter.fill_rect(icon_rect, palette.window());
         painter.blit(icon_rect.location(), window.icon(), window.icon().rect());
-        painter.draw_text(item_rect.translated(thumbnail_width() + 12, 0), window.title(), WSWindowManager::the().window_title_font(), Gfx::TextAlignment::CenterLeft, text_color);
+        painter.draw_text(item_rect.translated(thumbnail_width() + 12, 0), window.title(), WindowManager::the().window_title_font(), Gfx::TextAlignment::CenterLeft, text_color);
         painter.draw_text(item_rect, window.rect().to_string(), Gfx::TextAlignment::CenterRight, rect_text_color);
     }
 }
 
-void WSWindowSwitcher::refresh()
+void WindowSwitcher::refresh()
 {
-    auto& wm = WSWindowManager::the();
-    WSWindow* selected_window = nullptr;
+    auto& wm = WindowManager::the();
+    Window* selected_window = nullptr;
     if (m_selected_index > 0 && m_windows[m_selected_index])
         selected_window = m_windows[m_selected_index].ptr();
     if (!selected_window)
@@ -157,14 +159,15 @@ void WSWindowSwitcher::refresh()
     m_selected_index = 0;
     int window_count = 0;
     int longest_title_width = 0;
-    wm.for_each_window_of_type_from_front_to_back(WSWindowType::Normal, [&](WSWindow& window) {
-        ++window_count;
-        longest_title_width = max(longest_title_width, wm.font().width(window.title()));
-        if (selected_window == &window)
-            m_selected_index = m_windows.size();
-        m_windows.append(window.make_weak_ptr());
-        return IterationDecision::Continue;
-    },
+    wm.for_each_window_of_type_from_front_to_back(
+        WindowType::Normal, [&](Window& window) {
+            ++window_count;
+            longest_title_width = max(longest_title_width, wm.font().width(window.title()));
+            if (selected_window == &window)
+                m_selected_index = m_windows.size();
+            m_windows.append(window.make_weak_ptr());
+            return IterationDecision::Continue;
+        },
         true);
     if (m_windows.is_empty()) {
         hide();
@@ -173,17 +176,19 @@ void WSWindowSwitcher::refresh()
     int space_for_window_rect = 180;
     m_rect.set_width(thumbnail_width() + longest_title_width + space_for_window_rect + padding() * 2 + item_padding() * 2);
     m_rect.set_height(window_count * item_height() + padding() * 2);
-    m_rect.center_within(WSScreen::the().rect());
+    m_rect.center_within(Screen::the().rect());
     if (!m_switcher_window)
-        m_switcher_window = WSWindow::construct(*this, WSWindowType::WindowSwitcher);
+        m_switcher_window = Window::construct(*this, WindowType::WindowSwitcher);
     m_switcher_window->set_rect(m_rect);
     draw();
 }
 
-void WSWindowSwitcher::refresh_if_needed()
+void WindowSwitcher::refresh_if_needed()
 {
     if (m_visible) {
         refresh();
-        WSWindowManager::the().invalidate(m_rect);
+        WindowManager::the().invalidate(m_rect);
     }
 }
+
+}
diff --git a/Servers/WindowServer/WSWindowSwitcher.h b/Servers/WindowServer/WindowSwitcher.h
index d1fc98113f..6ab6c1dd02 100644
--- a/Servers/WindowServer/WSWindowSwitcher.h
+++ b/Servers/WindowServer/WindowSwitcher.h
@@ -35,16 +35,18 @@ namespace Gfx {
 class Painter;
 }
 
-class WSKeyEvent;
-class WSWindow;
+namespace WindowServer {
 
-class WSWindowSwitcher : public Core::Object {
-    C_OBJECT(WSWindowSwitcher)
+class KeyEvent;
+class Window;
+
+class WindowSwitcher : public Core::Object {
+    C_OBJECT(WindowSwitcher)
 public:
-    static WSWindowSwitcher& the();
+    static WindowSwitcher& the();
 
-    WSWindowSwitcher();
-    virtual ~WSWindowSwitcher() override;
+    WindowSwitcher();
+    virtual ~WindowSwitcher() override;
 
     bool is_visible() const { return m_visible; }
     void set_visible(bool);
@@ -52,7 +54,7 @@ public:
     void show() { set_visible(true); }
     void hide() { set_visible(false); }
 
-    void on_key_event(const WSKeyEvent&);
+    void on_key_event(const KeyEvent&);
     void refresh();
     void refresh_if_needed();
 
@@ -65,14 +67,16 @@ public:
     int padding() { return 8; }
     int item_padding() { return 8; }
 
-    WSWindow* selected_window();
+    Window* selected_window();
 
-    WSWindow* switcher_window() { return m_switcher_window.ptr(); }
+    Window* switcher_window() { return m_switcher_window.ptr(); }
 
 private:
-    RefPtr<WSWindow> m_switcher_window;
+    RefPtr<Window> m_switcher_window;
     Gfx::Rect m_rect;
     bool m_visible { false };
-    Vector<WeakPtr<WSWindow>> m_windows;
+    Vector<WeakPtr<Window>> m_windows;
     int m_selected_index { 0 };
 };
+
+}
diff --git a/Servers/WindowServer/WSWindowType.h b/Servers/WindowServer/WindowType.h
index da528a5685..4ca662b903 100644
--- a/Servers/WindowServer/WSWindowType.h
+++ b/Servers/WindowServer/WindowType.h
@@ -27,7 +27,7 @@
 #pragma once
 
 // Keep this in sync with GWindowType.
-enum class WSWindowType {
+enum class WindowType {
     Invalid = 0,
     Normal,
     Menu,
diff --git a/Servers/WindowServer/main.cpp b/Servers/WindowServer/main.cpp
index 9e4b7748cb..e92e618d33 100644
--- a/Servers/WindowServer/main.cpp
+++ b/Servers/WindowServer/main.cpp
@@ -24,13 +24,13 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#include "Compositor.h"
+#include "EventLoop.h"
+#include "Screen.h"
+#include "WindowManager.h"
 #include <LibCore/ConfigFile.h>
 #include <LibGfx/Palette.h>
 #include <LibGfx/SystemTheme.h>
-#include <WindowServer/WSCompositor.h>
-#include <WindowServer/WSEventLoop.h>
-#include <WindowServer/WSScreen.h>
-#include <WindowServer/WSWindowManager.h>
 #include <signal.h>
 #include <stdio.h>
 
@@ -87,18 +87,18 @@ int main(int, char**)
     Gfx::set_system_theme(*theme);
     auto palette = Gfx::PaletteImpl::create_with_shared_buffer(*theme);
 
-    WSEventLoop loop;
+    WindowServer::EventLoop loop;
 
     if (pledge("stdio video thread shared_buffer accept rpath wpath cpath proc exec", nullptr) < 0) {
         perror("pledge");
         return 1;
     }
 
-    WSScreen screen(wm_config->read_num_entry("Screen", "Width", 1024),
+    WindowServer::Screen screen(wm_config->read_num_entry("Screen", "Width", 1024),
         wm_config->read_num_entry("Screen", "Height", 768));
-    WSCompositor::the();
-    auto wm = WSWindowManager::construct(*palette);
-    auto mm = WSMenuManager::construct();
+    WindowServer::Compositor::the();
+    auto wm = WindowServer::WindowManager::construct(*palette);
+    auto mm = WindowServer::MenuManager::construct();
 
     if (unveil("/tmp", "") < 0) {
         perror("unveil");