Move WindowServer into Servers.

Servers/WindowServer/WSMenu.h

@@ -0,0 +1,90 @@
+#pragma once
+
+#include <AK/AKString.h>
+#include <AK/Vector.h>
+#include <AK/WeakPtr.h>
+#include <SharedGraphics/Rect.h>
+#include <WindowServer/WSMenuItem.h>
+#include <WindowServer/WSMessageReceiver.h>
+
+class WSClientConnection;
+class WSMenuBar;
+class WSMessage;
+class WSWindow;
+class Font;
+
+class WSMenu final : public WSMessageReceiver {
+public:
+    WSMenu(WSClientConnection*, int menu_id, String&& name);
+    virtual ~WSMenu() override;
+
+    WSClientConnection* client() { return m_client; }
+    const WSClientConnection* client() const { return m_client; }
+    int menu_id() const { return m_menu_id; }
+
+    WSMenuBar* menu_bar() { return m_menubar; }
+    const WSMenuBar* menu_bar() const { return m_menubar; }
+
+    bool is_empty() const { return m_items.is_empty(); }
+    int item_count() const { return m_items.size(); }
+    WSMenuItem* item(int i) { return m_items[i].ptr(); }
+    const WSMenuItem* item(int i) const { return m_items[i].ptr(); }
+
+    void add_item(OwnPtr<WSMenuItem>&& item) { m_items.append(move(item)); }
+
+    String name() const { return m_name; }
+
+    template<typename Callback>
+    void for_each_item(Callback callback) const
+    {
+        for (auto& item : m_items)
+            callback(*item);
+    }
+
+    Rect text_rect_in_menubar() const { return m_text_rect_in_menubar; }
+    void set_text_rect_in_menubar(const Rect& rect) { m_text_rect_in_menubar = rect; }
+
+    Rect rect_in_menubar() const { return m_rect_in_menubar; }
+    void set_rect_in_menubar(const Rect& rect) { m_rect_in_menubar = rect; }
+
+    WSWindow* menu_window() { return m_menu_window.ptr(); }
+    WSWindow& ensure_menu_window();
+
+    int width() const;
+    int height() const;
+
+    int item_height() const { return 18; }
+    int vertical_padding() const { return 4; }
+    int horizontal_padding() const { return left_padding() + right_padding(); }
+    int left_padding() const { return 14; }
+    int right_padding() const { return 14; }
+
+    void draw();
+    const Font& font() const;
+
+    WSMenuItem* item_at(const Point&);
+    void redraw();
+
+    const WSMenuItem* hovered_item() const { return m_hovered_item; }
+    void clear_hovered_item();
+
+    Function<void(WSMenuItem&)> on_item_activation;
+
+    void close();
+
+private:
+    virtual void on_message(WSMessage&) override;
+
+    int padding_between_text_and_shortcut() const { return 50; }
+    void did_activate(WSMenuItem&);
+    WSClientConnection* m_client { nullptr };
+    int m_menu_id { 0 };
+    String m_name;
+    Rect m_rect_in_menubar;
+    Rect m_text_rect_in_menubar;
+    WSMenuBar* m_menubar { nullptr };
+    WSMenuItem* m_hovered_item { nullptr };
+    Vector<OwnPtr<WSMenuItem>> m_items;
+    OwnPtr<WSWindow> m_menu_window;
+};
+