2d20e3fc51
Send these events to the menu itself first, then to the menu bar containing it or the window invoking it if it's a popup menu and, finally, to the top level window in all of wxGTK, wxMSW and wxOSX. In particular, this ensures that help strings are now shown in the parent MDI frame status bar by default, even when the menus are attached to the client MDI frame or shown as popup menus. At the implementation level, this logic is now encapsulated in a new static wxMenu::ProcessMenuEvent() method which can be easily modified and reused in other ports. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@78230 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
642 lines
21 KiB
C++
642 lines
21 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: wx/menu.h
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// Purpose: wxMenu and wxMenuBar classes
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// Author: Vadim Zeitlin
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// Modified by:
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// Created: 26.10.99
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// Copyright: (c) wxWidgets team
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_MENU_H_BASE_
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#define _WX_MENU_H_BASE_
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#include "wx/defs.h"
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#if wxUSE_MENUS
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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#include "wx/list.h" // for "template" list classes
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#include "wx/window.h" // base class for wxMenuBar
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// also include this one to ensure compatibility with old code which only
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// included wx/menu.h
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#include "wx/menuitem.h"
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class WXDLLIMPEXP_FWD_CORE wxFrame;
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class WXDLLIMPEXP_FWD_CORE wxMenu;
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class WXDLLIMPEXP_FWD_CORE wxMenuBarBase;
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class WXDLLIMPEXP_FWD_CORE wxMenuBar;
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class WXDLLIMPEXP_FWD_CORE wxMenuItem;
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// pseudo template list classes
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WX_DECLARE_EXPORTED_LIST(wxMenu, wxMenuList);
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WX_DECLARE_EXPORTED_LIST(wxMenuItem, wxMenuItemList);
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// ----------------------------------------------------------------------------
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// wxMenu
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxMenuBase : public wxEvtHandler
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{
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public:
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// create a menu
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static wxMenu *New(const wxString& title = wxEmptyString, long style = 0);
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// ctors
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wxMenuBase(const wxString& title, long style = 0) : m_title(title)
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{ Init(style); }
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wxMenuBase(long style = 0)
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{ Init(style); }
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// dtor deletes all the menu items we own
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virtual ~wxMenuBase();
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// menu construction
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// -----------------
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// append any kind of item (normal/check/radio/separator)
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wxMenuItem* Append(int itemid,
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const wxString& text = wxEmptyString,
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const wxString& help = wxEmptyString,
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wxItemKind kind = wxITEM_NORMAL)
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{
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return DoAppend(wxMenuItem::New((wxMenu *)this, itemid, text, help, kind));
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}
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// append a separator to the menu
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wxMenuItem* AppendSeparator() { return Append(wxID_SEPARATOR); }
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// append a check item
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wxMenuItem* AppendCheckItem(int itemid,
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const wxString& text,
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const wxString& help = wxEmptyString)
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{
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return Append(itemid, text, help, wxITEM_CHECK);
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}
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// append a radio item
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wxMenuItem* AppendRadioItem(int itemid,
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const wxString& text,
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const wxString& help = wxEmptyString)
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{
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return Append(itemid, text, help, wxITEM_RADIO);
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}
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// append a submenu
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wxMenuItem* AppendSubMenu(wxMenu *submenu,
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const wxString& text,
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const wxString& help = wxEmptyString)
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{
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return DoAppend(wxMenuItem::New((wxMenu *)this, wxID_ANY, text, help,
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wxITEM_NORMAL, submenu));
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}
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// the most generic form of Append() - append anything
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wxMenuItem* Append(wxMenuItem *item) { return DoAppend(item); }
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// insert a break in the menu (only works when appending the items, not
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// inserting them)
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virtual void Break() { }
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// insert an item before given position
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wxMenuItem* Insert(size_t pos, wxMenuItem *item);
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// insert an item before given position
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wxMenuItem* Insert(size_t pos,
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int itemid,
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const wxString& text = wxEmptyString,
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const wxString& help = wxEmptyString,
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wxItemKind kind = wxITEM_NORMAL)
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{
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return Insert(pos, wxMenuItem::New((wxMenu *)this, itemid, text, help, kind));
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}
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// insert a separator
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wxMenuItem* InsertSeparator(size_t pos)
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{
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return Insert(pos, wxMenuItem::New((wxMenu *)this, wxID_SEPARATOR));
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}
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// insert a check item
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wxMenuItem* InsertCheckItem(size_t pos,
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int itemid,
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const wxString& text,
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const wxString& help = wxEmptyString)
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{
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return Insert(pos, itemid, text, help, wxITEM_CHECK);
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}
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// insert a radio item
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wxMenuItem* InsertRadioItem(size_t pos,
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int itemid,
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const wxString& text,
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const wxString& help = wxEmptyString)
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{
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return Insert(pos, itemid, text, help, wxITEM_RADIO);
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}
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// insert a submenu
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wxMenuItem* Insert(size_t pos,
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int itemid,
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const wxString& text,
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wxMenu *submenu,
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const wxString& help = wxEmptyString)
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{
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return Insert(pos, wxMenuItem::New((wxMenu *)this, itemid, text, help,
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wxITEM_NORMAL, submenu));
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}
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// prepend an item to the menu
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wxMenuItem* Prepend(wxMenuItem *item)
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{
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return Insert(0u, item);
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}
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// prepend any item to the menu
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wxMenuItem* Prepend(int itemid,
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const wxString& text = wxEmptyString,
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const wxString& help = wxEmptyString,
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wxItemKind kind = wxITEM_NORMAL)
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{
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return Insert(0u, itemid, text, help, kind);
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}
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// prepend a separator
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wxMenuItem* PrependSeparator()
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{
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return InsertSeparator(0u);
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}
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// prepend a check item
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wxMenuItem* PrependCheckItem(int itemid,
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const wxString& text,
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const wxString& help = wxEmptyString)
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{
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return InsertCheckItem(0u, itemid, text, help);
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}
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// prepend a radio item
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wxMenuItem* PrependRadioItem(int itemid,
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const wxString& text,
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const wxString& help = wxEmptyString)
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{
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return InsertRadioItem(0u, itemid, text, help);
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}
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// prepend a submenu
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wxMenuItem* Prepend(int itemid,
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const wxString& text,
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wxMenu *submenu,
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const wxString& help = wxEmptyString)
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{
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return Insert(0u, itemid, text, submenu, help);
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}
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// detach an item from the menu, but don't delete it so that it can be
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// added back later (but if it's not, the caller is responsible for
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// deleting it!)
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wxMenuItem *Remove(int itemid) { return Remove(FindChildItem(itemid)); }
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wxMenuItem *Remove(wxMenuItem *item);
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// delete an item from the menu (submenus are not destroyed by this
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// function, see Destroy)
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bool Delete(int itemid) { return Delete(FindChildItem(itemid)); }
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bool Delete(wxMenuItem *item);
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// delete the item from menu and destroy it (if it's a submenu)
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bool Destroy(int itemid) { return Destroy(FindChildItem(itemid)); }
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bool Destroy(wxMenuItem *item);
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// menu items access
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// -----------------
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// get the items
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size_t GetMenuItemCount() const { return m_items.GetCount(); }
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const wxMenuItemList& GetMenuItems() const { return m_items; }
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wxMenuItemList& GetMenuItems() { return m_items; }
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// search
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virtual int FindItem(const wxString& item) const;
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wxMenuItem* FindItem(int itemid, wxMenu **menu = NULL) const;
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// find by position
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wxMenuItem* FindItemByPosition(size_t position) const;
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// get/set items attributes
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void Enable(int itemid, bool enable);
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bool IsEnabled(int itemid) const;
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void Check(int itemid, bool check);
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bool IsChecked(int itemid) const;
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void SetLabel(int itemid, const wxString& label);
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wxString GetLabel(int itemid) const;
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// Returns the stripped label
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wxString GetLabelText(int itemid) const { return wxMenuItem::GetLabelText(GetLabel(itemid)); }
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virtual void SetHelpString(int itemid, const wxString& helpString);
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virtual wxString GetHelpString(int itemid) const;
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// misc accessors
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// --------------
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// the title
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virtual void SetTitle(const wxString& title) { m_title = title; }
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const wxString& GetTitle() const { return m_title; }
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// event handler
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void SetEventHandler(wxEvtHandler *handler) { m_eventHandler = handler; }
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wxEvtHandler *GetEventHandler() const { return m_eventHandler; }
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// Invoking window: this is set by wxWindow::PopupMenu() before showing a
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// popup menu and reset after it's hidden. Notice that you probably want to
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// use GetWindow() below instead of GetInvokingWindow() as the latter only
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// returns non-NULL for the top level menus
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//
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// NB: avoid calling SetInvokingWindow() directly if possible, use
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// wxMenuInvokingWindowSetter class below instead
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void SetInvokingWindow(wxWindow *win);
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wxWindow *GetInvokingWindow() const { return m_invokingWindow; }
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// the window associated with this menu: this is the invoking window for
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// popup menus or the top level window to which the menu bar is attached
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// for menus which are part of a menu bar
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wxWindow *GetWindow() const;
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// style
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long GetStyle() const { return m_style; }
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// implementation helpers
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// ----------------------
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// Updates the UI for a menu and all submenus recursively. source is the
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// object that has the update event handlers defined for it. If NULL, the
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// menu or associated window will be used.
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void UpdateUI(wxEvtHandler* source = NULL);
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// get the menu bar this menu is attached to (may be NULL, always NULL for
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// popup menus). Traverse up the menu hierarchy to find it.
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wxMenuBar *GetMenuBar() const;
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// called when the menu is attached/detached to/from a menu bar
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virtual void Attach(wxMenuBarBase *menubar);
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virtual void Detach();
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// is the menu attached to a menu bar (or is it a popup one)?
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bool IsAttached() const { return GetMenuBar() != NULL; }
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// set/get the parent of this menu
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void SetParent(wxMenu *parent) { m_menuParent = parent; }
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wxMenu *GetParent() const { return m_menuParent; }
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// implementation only from now on
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// -------------------------------
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// unlike FindItem(), this function doesn't recurse but only looks through
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// our direct children and also may return the index of the found child if
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// pos != NULL
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wxMenuItem *FindChildItem(int itemid, size_t *pos = NULL) const;
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// called to generate a wxCommandEvent, return true if it was processed,
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// false otherwise
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//
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// the checked parameter may have boolean value or -1 for uncheckable items
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bool SendEvent(int itemid, int checked = -1);
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// called to dispatch a wxMenuEvent to the right recipients, menu pointer
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// can be NULL if we failed to find the associated menu (this happens at
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// least in wxMSW for the events from the system menus)
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static
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bool ProcessMenuEvent(wxMenu* menu, wxMenuEvent& event, wxWindow* win);
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// compatibility: these functions are deprecated, use the new ones instead
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// -----------------------------------------------------------------------
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// use the versions taking wxItem_XXX now instead, they're more readable
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// and allow adding the radio items as well
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void Append(int itemid,
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const wxString& text,
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const wxString& help,
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bool isCheckable)
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{
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Append(itemid, text, help, isCheckable ? wxITEM_CHECK : wxITEM_NORMAL);
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}
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// use more readable and not requiring unused itemid AppendSubMenu() instead
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wxMenuItem* Append(int itemid,
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const wxString& text,
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wxMenu *submenu,
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const wxString& help = wxEmptyString)
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{
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return DoAppend(wxMenuItem::New((wxMenu *)this, itemid, text, help,
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wxITEM_NORMAL, submenu));
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}
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void Insert(size_t pos,
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int itemid,
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const wxString& text,
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const wxString& help,
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bool isCheckable)
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{
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Insert(pos, itemid, text, help, isCheckable ? wxITEM_CHECK : wxITEM_NORMAL);
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}
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void Prepend(int itemid,
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const wxString& text,
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const wxString& help,
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bool isCheckable)
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{
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Insert(0u, itemid, text, help, isCheckable);
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}
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static void LockAccels(bool locked)
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{
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ms_locked = locked;
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}
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protected:
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// virtuals to override in derived classes
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// ---------------------------------------
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virtual wxMenuItem* DoAppend(wxMenuItem *item);
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virtual wxMenuItem* DoInsert(size_t pos, wxMenuItem *item);
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virtual wxMenuItem *DoRemove(wxMenuItem *item);
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virtual bool DoDelete(wxMenuItem *item);
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virtual bool DoDestroy(wxMenuItem *item);
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// helpers
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// -------
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// common part of all ctors
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void Init(long style);
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// associate the submenu with this menu
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void AddSubMenu(wxMenu *submenu);
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wxMenuBar *m_menuBar; // menubar we belong to or NULL
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wxMenu *m_menuParent; // parent menu or NULL
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wxString m_title; // the menu title or label
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wxMenuItemList m_items; // the list of menu items
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wxWindow *m_invokingWindow; // for popup menus
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long m_style; // combination of wxMENU_XXX flags
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wxEvtHandler *m_eventHandler; // a pluggable in event handler
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static bool ms_locked;
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private:
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// Common part of SendEvent() and ProcessMenuEvent(): sends the event to
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// its intended recipients, returns true if it was processed.
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static bool DoProcessEvent(wxMenuBase* menu, wxEvent& event, wxWindow* win);
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wxDECLARE_NO_COPY_CLASS(wxMenuBase);
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};
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#if wxUSE_EXTENDED_RTTI
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// ----------------------------------------------------------------------------
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// XTI accessor
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// ----------------------------------------------------------------------------
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class WXDLLEXPORT wxMenuInfoHelper : public wxObject
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{
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public:
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wxMenuInfoHelper() { m_menu = NULL; }
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virtual ~wxMenuInfoHelper() { }
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bool Create( wxMenu *menu, const wxString &title )
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{
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m_menu = menu;
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m_title = title;
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return true;
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}
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wxMenu* GetMenu() const { return m_menu; }
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wxString GetTitle() const { return m_title; }
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private:
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wxMenu *m_menu;
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wxString m_title;
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DECLARE_DYNAMIC_CLASS(wxMenuInfoHelper)
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};
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WX_DECLARE_EXPORTED_LIST(wxMenuInfoHelper, wxMenuInfoHelperList );
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#endif
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// ----------------------------------------------------------------------------
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// wxMenuBar
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxMenuBarBase : public wxWindow
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{
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public:
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// default ctor
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wxMenuBarBase();
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// dtor will delete all menus we own
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virtual ~wxMenuBarBase();
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// menu bar construction
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// ---------------------
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// append a menu to the end of menubar, return true if ok
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virtual bool Append(wxMenu *menu, const wxString& title);
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// insert a menu before the given position into the menubar, return true
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// if inserted ok
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virtual bool Insert(size_t pos, wxMenu *menu, const wxString& title);
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// menu bar items access
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// ---------------------
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// get the number of menus in the menu bar
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size_t GetMenuCount() const { return m_menus.GetCount(); }
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// get the menu at given position
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wxMenu *GetMenu(size_t pos) const;
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// replace the menu at given position with another one, returns the
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// previous menu (which should be deleted by the caller)
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virtual wxMenu *Replace(size_t pos, wxMenu *menu, const wxString& title);
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// delete the menu at given position from the menu bar, return the pointer
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// to the menu (which should be deleted by the caller)
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virtual wxMenu *Remove(size_t pos);
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// enable or disable a submenu
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virtual void EnableTop(size_t pos, bool enable) = 0;
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// is the menu enabled?
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virtual bool IsEnabledTop(size_t WXUNUSED(pos)) const { return true; }
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// get or change the label of the menu at given position
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virtual void SetMenuLabel(size_t pos, const wxString& label) = 0;
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virtual wxString GetMenuLabel(size_t pos) const = 0;
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// get the stripped label of the menu at given position
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virtual wxString GetMenuLabelText(size_t pos) const { return wxMenuItem::GetLabelText(GetMenuLabel(pos)); }
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// item search
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// -----------
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// by menu and item names, returns wxNOT_FOUND if not found or id of the
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// found item
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virtual int FindMenuItem(const wxString& menu, const wxString& item) const;
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// find item by id (in any menu), returns NULL if not found
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//
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// if menu is !NULL, it will be filled with wxMenu this item belongs to
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virtual wxMenuItem* FindItem(int itemid, wxMenu **menu = NULL) const;
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// find menu by its caption, return wxNOT_FOUND on failure
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int FindMenu(const wxString& title) const;
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// item access
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// -----------
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// all these functions just use FindItem() and then call an appropriate
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// method on it
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//
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// NB: under MSW, these methods can only be used after the menubar had
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// been attached to the frame
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void Enable(int itemid, bool enable);
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void Check(int itemid, bool check);
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bool IsChecked(int itemid) const;
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bool IsEnabled(int itemid) const;
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virtual bool IsEnabled() const { return wxWindow::IsEnabled(); }
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void SetLabel(int itemid, const wxString &label);
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wxString GetLabel(int itemid) const;
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void SetHelpString(int itemid, const wxString& helpString);
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wxString GetHelpString(int itemid) const;
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// implementation helpers
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// get the frame we are attached to (may return NULL)
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wxFrame *GetFrame() const { return m_menuBarFrame; }
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// returns true if we're attached to a frame
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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) wxOVERRIDE { return wxWindow::Enable(enable); }
|
|
virtual void SetLabel(const wxString& s) wxOVERRIDE { wxWindow::SetLabel(s); }
|
|
virtual wxString GetLabel() const wxOVERRIDE { return wxWindow::GetLabel(); }
|
|
|
|
// don't want menu bars to accept the focus by tabbing to them
|
|
virtual bool AcceptsFocusFromKeyboard() const wxOVERRIDE { return false; }
|
|
|
|
// update all menu item states in all menus
|
|
virtual void UpdateMenus();
|
|
|
|
virtual bool CanBeOutsideClientArea() const wxOVERRIDE { return true; }
|
|
|
|
#if wxUSE_EXTENDED_RTTI
|
|
// XTI helpers:
|
|
bool AppendMenuInfo( const wxMenuInfoHelper *info )
|
|
{ return Append( info->GetMenu(), info->GetTitle() ); }
|
|
const wxMenuInfoHelperList& GetMenuInfos() const;
|
|
#endif
|
|
|
|
#if WXWIN_COMPATIBILITY_2_8
|
|
// get or change the label of the menu at given position
|
|
// Deprecated in favour of SetMenuLabel
|
|
wxDEPRECATED( void SetLabelTop(size_t pos, const wxString& label) );
|
|
// Deprecated in favour of GetMenuLabelText
|
|
wxDEPRECATED( wxString GetLabelTop(size_t pos) const );
|
|
#endif
|
|
|
|
protected:
|
|
// the list of all our menus
|
|
wxMenuList m_menus;
|
|
|
|
#if wxUSE_EXTENDED_RTTI
|
|
// used by XTI
|
|
wxMenuInfoHelperList m_menuInfos;
|
|
#endif
|
|
|
|
// the frame we are attached to (may be NULL)
|
|
wxFrame *m_menuBarFrame;
|
|
|
|
wxDECLARE_NO_COPY_CLASS(wxMenuBarBase);
|
|
};
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// 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(__WXGTK20__)
|
|
#include "wx/gtk/menu.h"
|
|
#elif defined(__WXGTK__)
|
|
#include "wx/gtk1/menu.h"
|
|
#elif defined(__WXMAC__)
|
|
#include "wx/osx/menu.h"
|
|
#elif defined(__WXQT__)
|
|
#include "wx/qt/menu.h"
|
|
#endif
|
|
#endif // wxUSE_BASE_CLASSES_ONLY/!wxUSE_BASE_CLASSES_ONLY
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// Helper class used in the implementation only: sets the invoking window of
|
|
// the given menu in its ctor and resets it in dtor.
|
|
// ----------------------------------------------------------------------------
|
|
|
|
class wxMenuInvokingWindowSetter
|
|
{
|
|
public:
|
|
// Ctor sets the invoking window for the given menu.
|
|
//
|
|
// The menu lifetime must be greater than that of this class.
|
|
wxMenuInvokingWindowSetter(wxMenu& menu, wxWindow *win)
|
|
: m_menu(menu)
|
|
{
|
|
menu.SetInvokingWindow(win);
|
|
}
|
|
|
|
// Dtor resets the invoking window.
|
|
~wxMenuInvokingWindowSetter()
|
|
{
|
|
m_menu.SetInvokingWindow(NULL);
|
|
}
|
|
|
|
private:
|
|
wxMenu& m_menu;
|
|
|
|
wxDECLARE_NO_COPY_CLASS(wxMenuInvokingWindowSetter);
|
|
};
|
|
|
|
#endif // wxUSE_MENUS
|
|
|
|
#endif // _WX_MENU_H_BASE_
|