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WindowServer: Start implementing a menu system.

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I'm going with a global top-of-the-screen menu instead of per-window menus.
The basic idea is that menus will live in the WindowServer and clients can
create menus via WindowServer requests.
This commit is contained in:
Andreas Kling 2019-02-11 09:47:10 +01:00
parent 7abef6ba9e
commit 443b043b49
14 changed files with 487 additions and 6 deletions
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66
WindowServer/WSMenu.h Normal file
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#pragma once
#include <AK/AKString.h>
#include <AK/Vector.h>
#include <SharedGraphics/Rect.h>
#include "WSMenuItem.h"
class WSMenuBar;
class WSMessage;
class WSWindow;
class Font;
class WSMenu {
public:
WSMenu(const String& name);
~WSMenu();
WSMenuBar* menu_bar() { return m_menubar; }
const WSMenuBar* menu_bar() const { return m_menubar; }
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(); }
void set_menu_window(OwnPtr<WSWindow>&&);
WSWindow& ensure_menu_window();
int width() const;
int height() const;
int item_height() const { return 16; }
int padding() const { return 4; }
void on_window_message(WSMessage&);
void draw();
const Font& font() const;
private:
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;
};