///////////////////////////////////////////////////////////////////////////////
// Name:        wx/menu.h
// Purpose:     wxMenu and wxMenuBar classes
// Author:      Vadim Zeitlin
// Modified by:
// Created:     26.10.99
// RCS-ID:      $Id: menu.h,v 1.1 2005/03/16 06:49:18 kehc Exp $
// Copyright:   (c) wxWindows team
// Licence:     wxWindows license
///////////////////////////////////////////////////////////////////////////////

#ifndef _WX_MENU_H_BASE_
#define _WX_MENU_H_BASE_

#if defined(__GNUG__) && !defined(__APPLE__)
    #pragma interface "menubase.h"
#endif

#if wxUSE_MENUS

// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------

#include "wx/list.h"        // for "template" list classes
#include "wx/window.h"      // base class for wxMenuBar

// also include this one to ensure compatibility with old code which only
// included wx/menu.h
#include "wx/menuitem.h"

class WXDLLEXPORT wxMenu;
class WXDLLEXPORT wxMenuBarBase;
class WXDLLEXPORT wxMenuBar;
class WXDLLEXPORT wxMenuItem;

// pseudo template list classes
WX_DECLARE_EXPORTED_LIST(wxMenu, wxMenuList);
WX_DECLARE_EXPORTED_LIST(wxMenuItem, wxMenuItemList);

// ----------------------------------------------------------------------------
// conditional compilation
// ----------------------------------------------------------------------------

// having callbacks in menus is a wxWin 1.6x feature which should be replaced
// with event tables in wxWin 2.xx code - however provide it because many
// people like it a lot by default
#ifndef wxUSE_MENU_CALLBACK
    #if WXWIN_COMPATIBILITY_2
        #define wxUSE_MENU_CALLBACK 1
    #else
        #define wxUSE_MENU_CALLBACK 0
    #endif // WXWIN_COMPATIBILITY_2
#endif // !defined(wxUSE_MENU_CALLBACK)

// ----------------------------------------------------------------------------
// wxMenu
// ----------------------------------------------------------------------------

class WXDLLEXPORT wxMenuBase : public wxEvtHandler
{
public:
    // create a menu
    static wxMenu *New(const wxString& title = wxEmptyString, long style = 0);

    // ctors
    wxMenuBase(const wxString& title, long style = 0) : m_title(title)
        { Init(style); }
    wxMenuBase(long style = 0)
        { Init(style); }

    // dtor deletes all the menu items we own
    virtual ~wxMenuBase();

    // menu construction
    // -----------------

    // append any kind of item (normal/check/radio/separator)
    void Append(int id,
                const wxString& text,
                const wxString& help = wxEmptyString,
                wxItemKind kind = wxITEM_NORMAL)
    {
        DoAppend(wxMenuItem::New((wxMenu *)this, id, text, help, kind));
    }

    // append a separator to the menu
    void AppendSeparator() { Append(wxID_SEPARATOR, wxEmptyString); }

    // append a check item
    void AppendCheckItem(int id,
                         const wxString& text,
                         const wxString& help = wxEmptyString)
    {
        Append(id, text, help, wxITEM_CHECK);
    }

    // append a radio item
    void AppendRadioItem(int id,
                         const wxString& text,
                         const wxString& help = wxEmptyString)
    {
        Append(id, text, help, wxITEM_RADIO);
    }

    // append a submenu
    void Append(int id,
                const wxString& text,
                wxMenu *submenu,
                const wxString& help = wxEmptyString)
    {
        DoAppend(wxMenuItem::New((wxMenu *)this, id, text, help,
                                 wxITEM_NORMAL, submenu));
    }

    // the most generic form of Append() - append anything
    void Append(wxMenuItem *item) { DoAppend(item); }

    // insert a break in the menu (only works when appending the items, not
    // inserting them)
    virtual void Break() { }

    // insert an item before given position
    bool Insert(size_t pos, wxMenuItem *item);

    // insert an item before given position
    void Insert(size_t pos,
                int id,
                const wxString& text,
                const wxString& help = wxEmptyString,
                wxItemKind kind = wxITEM_NORMAL)
    {
        Insert(pos, wxMenuItem::New((wxMenu *)this, id, text, help, kind));
    }

    // insert a separator
    void InsertSeparator(size_t pos)
    {
        Insert(pos, wxMenuItem::New((wxMenu *)this));
    }

    // insert a check item
    void InsertCheckItem(size_t pos,
                         int id,
                         const wxString& text,
                         const wxString& help = wxEmptyString)
    {
        Insert(pos, id, text, help, wxITEM_CHECK);
    }

    // insert a radio item
    void InsertRadioItem(size_t pos,
                         int id,
                         const wxString& text,
                         const wxString& help = wxEmptyString)
    {
        Insert(pos, id, text, help, wxITEM_RADIO);
    }

    // insert a submenu
    void Insert(size_t pos,
                int id,
                const wxString& text,
                wxMenu *submenu,
                const wxString& help = wxEmptyString)
    {
        Insert(pos, wxMenuItem::New((wxMenu *)this, id, text, help,
                                    wxITEM_NORMAL, submenu));
    }

    // prepend an item to the menu
    void Prepend(wxMenuItem *item)
    {
        Insert(0u, item);
    }

    // prepend any item to the menu
    void Prepend(int id,
                 const wxString& text,
                 const wxString& help = wxEmptyString,
                 wxItemKind kind = wxITEM_NORMAL)
    {
        Insert(0u, id, text, help, kind);
    }

    // prepend a separator
    void PrependSeparator()
    {
        InsertSeparator(0u);
    }

    // prepend a check item
    void PrependCheckItem(int id,
                          const wxString& text,
                          const wxString& help = wxEmptyString)
    {
        InsertCheckItem(0u, id, text, help);
    }

    // prepend a radio item
    void PrependRadioItem(int id,
                          const wxString& text,
                          const wxString& help = wxEmptyString)
    {
        InsertRadioItem(0u, id, text, help);
    }

    // prepend a submenu
    void Prepend(int id,
                 const wxString& text,
                 wxMenu *submenu,
                 const wxString& help = wxEmptyString)
    {
        Insert(0u, id, text, submenu, help);
    }

    // detach an item from the menu, but don't delete it so that it can be
    // added back later (but if it's not, the caller is responsible for
    // deleting it!)
    wxMenuItem *Remove(int id) { return Remove(FindChildItem(id)); }
    wxMenuItem *Remove(wxMenuItem *item);

    // delete an item from the menu (submenus are not destroyed by this
    // function, see Destroy)
    bool Delete(int id) { return Delete(FindChildItem(id)); }
    bool Delete(wxMenuItem *item);

    // delete the item from menu and destroy it (if it's a submenu)
    bool Destroy(int id) { return Destroy(FindChildItem(id)); }
    bool Destroy(wxMenuItem *item);

    // menu items access
    // -----------------

    // get the items
    size_t GetMenuItemCount() const { return m_items.GetCount(); }

    const wxMenuItemList& GetMenuItems() const { return m_items; }
    wxMenuItemList& GetMenuItems() { return m_items; }

    // search
    virtual int FindItem(const wxString& item) const;
    wxMenuItem* FindItem(int id, wxMenu **menu = NULL) const;

    // find by position
    wxMenuItem* FindItemByPosition(size_t position) const;

    // get/set items attributes
    void Enable(int id, bool enable);
    bool IsEnabled(int id) const;

    void Check(int id, bool check);
    bool IsChecked(int id) const;

    void SetLabel(int id, const wxString& label);
    wxString GetLabel(int id) const;

    virtual void SetHelpString(int id, const wxString& helpString);
    virtual wxString GetHelpString(int id) const;

    // misc accessors
    // --------------

    // the title
    virtual void SetTitle(const wxString& title) { m_title = title; }
    const wxString GetTitle() const { return m_title; }

    // event handler
    void SetEventHandler(wxEvtHandler *handler) { m_eventHandler = handler; }
    wxEvtHandler *GetEventHandler() const { return m_eventHandler; }

    // invoking window
    void SetInvokingWindow(wxWindow *win) { m_invokingWindow = win; }
    wxWindow *GetInvokingWindow() const { return m_invokingWindow; }

    // style