+///////////////////////////////////////////////////////////////////////////////
+// Name: wx/menu.h
+// Purpose: wxMenu and wxMenuBar classes
+// Author: Vadim Zeitlin
+// Modified by:
+// Created: 26.10.99
+// RCS-ID: $Id$
+// Copyright: (c) wxWindows team
+// Licence: wxWindows license
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_MENU_H_BASE_
+#define _WX_MENU_H_BASE_
+
+#ifdef __GNUG__
+ #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 a normal item to the menu
+ void Append(int id,
+ const wxString& text,
+ const wxString& help = wxEmptyString,
+ bool isCheckable = FALSE)
+ {
+ DoAppend(wxMenuItem::New((wxMenu *)this, id, text, help, isCheckable));
+ }
+
+ // append a separator to the menu
+ void AppendSeparator() { Append(wxID_SEPARATOR, wxEmptyString); }
+
+ // append a submenu
+ void Append(int id,
+ const wxString& text,
+ wxMenu *submenu,
+ const wxString& help = wxEmptyString)
+ {
+ DoAppend(wxMenuItem::New((wxMenu *)this, id, text, help, FALSE, 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);
+ void Insert(size_t pos,
+ int id,
+ const wxString& text,
+ const wxString& help = wxEmptyString,
+ bool isCheckable = FALSE)
+ {
+ Insert(pos, wxMenuItem::New((wxMenu *)this, id, text, help, isCheckable));
+ }
+
+ // insert a separator
+ void InsertSeparator(size_t pos)
+ {
+ Insert(pos, wxMenuItem::New((wxMenu *)this));
+ }
+
+ // 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, FALSE, submenu));
+ }
+
+ // prepend an item to the menu
+ void Prepend(wxMenuItem *item)
+ {
+ Insert(0u, item);
+ }
+
+ void Prepend(int id,
+ const wxString& text,
+ const wxString& help = wxEmptyString,
+ bool isCheckable = FALSE)
+ {
+ Insert(0u, id, text, help, isCheckable);
+ }
+
+ // insert a separator
+ void PrependSeparator()
+ {
+ InsertSeparator(0u);
+ }
+
+ // insert 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;
+
+ // 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; }
+
+ // client data
+ void SetClientData(void* clientData) { m_clientData = clientData; }
+ void* GetClientData() const { return m_clientData; }
+
+ // 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
+ long GetStyle() const { return m_style; }
+
+ // implementation helpers
+ // ----------------------
+
+ // Updates the UI for a menu and all submenus recursively. source is the
+ // object that has the update event handlers defined for it. If NULL, the
+ // menu or associated window will be used.
+ void UpdateUI(wxEvtHandler* source = (wxEvtHandler*)NULL);
+
+ // get the menu bar this menu is attached to (may be NULL, always NULL for
+ // popup menus)
+ wxMenuBar *GetMenuBar() const { return m_menuBar; }
+
+ // called when the menu is attached/detached to/from a menu bar
+ virtual void Attach(wxMenuBarBase *menubar);
+ virtual void Detach();
+
+ // is the menu attached to a menu bar (or is it a popup one)?
+ bool IsAttached() const { return m_menuBar != NULL; }
+
+ // set/get the parent of this menu
+ void SetParent(wxMenu *parent) { m_menuParent = parent; }
+ wxMenu *GetParent() const { return m_menuParent; }
+
+#if WXWIN_COMPATIBILITY
+ // compatibility: these functions are deprecated, use the new ones instead
+ bool Enabled(int id) const { return IsEnabled(id); }
+ bool Checked(int id) const { return IsChecked(id); }
+
+ wxMenuItem* FindItemForId(int itemId, wxMenu **itemMenu) const
+ { return FindItem(itemId, itemMenu); }
+
+ wxList& GetItems() const { return (wxList &)m_items; }
+#endif // WXWIN_COMPATIBILITY
+
+#if wxUSE_MENU_CALLBACK || defined(__WXMOTIF__)
+ // wxWin 1.6x compatible menu event handling
+ wxFunction GetCallback() const { return m_callback; }
+ void Callback(const wxFunction func) { m_callback = func; }
+
+ wxFunction m_callback;
+#endif // wxUSE_MENU_CALLBACK
+
+ // unlike FindItem(), this function doesn't recurse but only looks through
+ // our direct children and also may return the index of the found child if
+ // pos != NULL
+ wxMenuItem *FindChildItem(int id, size_t *pos = NULL) const;
+
+ // called to generate a wxCommandEvent, return TRUE if it was processed,
+ // FALSE otherwise
+ //
+ // the checked parameter may have boolean value or -1 for uncheckable items
+ bool SendEvent(int id, int checked = -1);
+
+protected:
+ // virtuals to override in derived classes
+ // ---------------------------------------
+
+ virtual bool DoAppend(wxMenuItem *item);
+ virtual bool DoInsert(size_t pos, wxMenuItem *item);
+
+ virtual wxMenuItem *DoRemove(wxMenuItem *item);
+ virtual bool DoDelete(wxMenuItem *item);
+ virtual bool DoDestroy(wxMenuItem *item);
+
+ // helpers
+ // -------
+
+ // common part of all ctors
+ void Init(long style);
+
+ // associate the submenu with this menu
+ void AddSubMenu(wxMenu *submenu);
+
+ wxMenuBar *m_menuBar; // menubar we belong to or NULL
+ wxMenu *m_menuParent; // parent menu or NULL
+
+ wxString m_title; // the menu title or label
+ wxMenuItemList m_items; // the list of menu items
+
+ wxWindow *m_invokingWindow; // for popup menus
+ void *m_clientData; // associated with the menu
+
+ long m_style; // combination of wxMENU_XXX flags
+
+ wxEvtHandler *m_eventHandler; // a pluggable in event handler
+};
+
+// ----------------------------------------------------------------------------
+// wxMenuBar
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxMenuBarBase : public wxWindow
+{
+public:
+ // default ctor
+ wxMenuBarBase();
+
+ // dtor will delete all menus we own
+ virtual ~wxMenuBarBase();
+
+ // menu bar construction
+ // ---------------------
+
+ // append a menu to the end of menubar, return TRUE if ok
+ virtual bool Append(wxMenu *menu, const wxString& title);
+
+ // insert a menu before the given position into the menubar, return TRUE
+ // if inserted ok
+ virtual bool Insert(size_t pos, wxMenu *menu, const wxString& title);
+
+ // menu bar items access
+ // ---------------------
+
+ // get the number of menus in the menu bar
+ size_t GetMenuCount() const { return m_menus.GetCount(); }
+
+ // get the menu at given position
+ wxMenu *GetMenu(size_t pos) const;
+
+ // replace the menu at given position with another one, returns the
+ // previous menu (which should be deleted by the caller)
+ virtual wxMenu *Replace(size_t pos, wxMenu *menu, const wxString& title);
+
+ // delete the menu at given position from the menu bar, return the pointer
+ // to the menu (which should be deleted by the caller)
+ virtual wxMenu *Remove(size_t pos);
+
+ // enable or disable a submenu
+ virtual void EnableTop(size_t pos, bool enable) = 0;
+
+ // is the menu enabled?
+ virtual bool IsEnabledTop(size_t WXUNUSED(pos)) const { return TRUE; }
+
+ // get or change the label of the menu at given position
+ virtual void SetLabelTop(size_t pos, const wxString& label) = 0;
+ virtual wxString GetLabelTop(size_t pos) const = 0;
+
+ // item search
+ // -----------
+
+ // by menu and item names, returns wxNOT_FOUND if not found or id of the
+ // found item
+ virtual int FindMenuItem(const wxString& menu, const wxString& item) const;
+
+ // find item by id (in any menu), returns NULL if not found
+ //
+ // if menu is !NULL, it will be filled with wxMenu this item belongs to
+ virtual wxMenuItem* FindItem(int id, wxMenu **menu = NULL) const;
+
+ // find menu by its caption, return wxNOT_FOUND on failure
+ int FindMenu(const wxString& title) const;
+
+ // item access
+ // -----------
+
+ // all these functions just use FindItem() and then call an appropriate
+ // method on it
+ //
+ // NB: under MSW, these methods can only be used after the menubar had
+ // been attached to the frame
+
+ void Enable(int id, bool enable);
+ void Check(int id, bool check);
+ bool IsChecked(int id) const;
+ bool IsEnabled(int id) const;
+
+ void SetLabel(int id, const wxString &label);
+ wxString GetLabel(int id) const;
+
+ void SetHelpString(int id, const wxString& helpString);
+ wxString GetHelpString(int id) const;
+
+ // implementation helpers
+
+ // get the frame we are attached to (may return NULL)
+ wxFrame *GetFrame() const { return m_menuBarFrame; }
+
+ // returns TRUE if we're attached to a frame
+ bool IsAttached() const { return GetFrame() != NULL; }
+
+ // associate the menubar with the frame
+ virtual void Attach(wxFrame *frame);
+
+ // called before deleting the menubar normally
+ virtual void Detach();
+
+ // need to override these ones to avoid virtual function hiding
+ virtual bool Enable(bool enable = TRUE) { return wxWindow::Enable(enable); }
+ virtual void SetLabel(const wxString& s) { wxWindow::SetLabel(s); }
+ virtual wxString GetLabel() const { return wxWindow::GetLabel(); }
+
+ // don't want menu bars to accept the focus by tabbing to them
+ virtual bool AcceptsFocusFromKeyboard() const { return FALSE; }
+
+ // compatibility only: these functions are deprecated, use the new ones
+ // instead
+#if WXWIN_COMPATIBILITY
+ bool Enabled(int id) const { return IsEnabled(id); }
+ bool Checked(int id) const { return IsChecked(id); }
+
+ wxMenuItem* FindMenuItemById(int id) const
+ { return FindItem(id); }
+ wxMenuItem* FindItemForId(int id, wxMenu **menu = NULL) const
+ { return FindItem(id, menu); }
+#endif // WXWIN_COMPATIBILITY
+
+protected:
+ // the list of all our menus
+ wxMenuList m_menus;
+
+ // the frame we are attached to (may be NULL)
+ wxFrame *m_menuBarFrame;
+};
+
+// ----------------------------------------------------------------------------
+// include the real class declaration
+// ----------------------------------------------------------------------------
+
+#ifdef wxUSE_BASE_CLASSES_ONLY
+ #define wxMenuItem wxMenuItemBase
+#else // !wxUSE_BASE_CLASSES_ONLY
+#if defined(__WXUNIVERSAL__)
+ #include "wx/univ/menu.h"
+#elif defined(__WXMSW__)
+ #include "wx/msw/menu.h"
+#elif defined(__WXMOTIF__)
+ #include "wx/motif/menu.h"
+#elif defined(__WXGTK__)
+ #include "wx/gtk/menu.h"
+#elif defined(__WXMAC__)
+ #include "wx/mac/menu.h"
+#elif defined(__WXPM__)
+ #include "wx/os2/menu.h"
+#elif defined(__WXSTUBS__)
+ #include "wx/stubs/menu.h"
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