634 lines
20 KiB
C
634 lines
20 KiB
C
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///////////////////////////////////////////////////////////////////////////////
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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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// RCS-ID: $Id: menu.h 66640 2011-01-07 21:51:19Z SC $
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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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// 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;
|
||
|
|
|
||
|
|
wxDECLARE_NO_COPY_CLASS(wxMenuBase);
|
||
|
|
};
|
||
|
|
|
||
|
|
#if wxUSE_EXTENDED_RTTI
|
||
|
|
|
||
|
|
// ----------------------------------------------------------------------------
|
||
|
|
// XTI accessor
|
||
|
|
// ----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
class WXDLLEXPORT wxMenuInfoHelper : public wxObject
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
wxMenuInfoHelper() { m_menu = NULL; }
|
||
|
|
virtual ~wxMenuInfoHelper() { }
|
||
|
|
|
||
|
|
bool Create( wxMenu *menu, const wxString &title )
|
||
|
|
{
|
||
|
|
m_menu = menu;
|
||
|
|
m_title = title;
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
wxMenu* GetMenu() const { return m_menu; }
|
||
|
|
wxString GetTitle() const { return m_title; }
|
||
|
|
|
||
|
|
private:
|
||
|
|
wxMenu *m_menu;
|
||
|
|
wxString m_title;
|
||
|
|
|
||
|
|
DECLARE_DYNAMIC_CLASS(wxMenuInfoHelper)
|
||
|
|
};
|
||
|
|
|
||
|
|
WX_DECLARE_EXPORTED_LIST(wxMenuInfoHelper, wxMenuInfoHelperList );
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
// ----------------------------------------------------------------------------
|
||
|
|
// wxMenuBar
|
||
|
|
// ----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
class WXDLLIMPEXP_CORE 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 SetMenuLabel(size_t pos, const wxString& label) = 0;
|
||
|
|
virtual wxString GetMenuLabel(size_t pos) const = 0;
|
||
|
|
|
||
|
|
// get the stripped label of the menu at given position
|
||
|
|
virtual wxString GetMenuLabelText(size_t pos) const { return wxMenuItem::GetLabelText(GetMenuLabel(pos)); }
|
||
|
|
|
||
|
|
// 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 itemid, 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 itemid, bool enable);
|
||
|
|
void Check(int itemid, bool check);
|
||
|
|
bool IsChecked(int itemid) const;
|
||
|
|
bool IsEnabled(int itemid) const;
|
||
|
|
virtual bool IsEnabled() const { return wxWindow::IsEnabled(); }
|
||
|
|
|
||
|
|
void SetLabel(int itemid, const wxString &label);
|
||
|
|
wxString GetLabel(int itemid) const;
|
||
|
|
|
||
|
|
void SetHelpString(int itemid, const wxString& helpString);
|
||
|
|
wxString GetHelpString(int itemid) 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; }
|
||
|
|
|
||
|
|
// update all menu item states in all menus
|
||
|
|
virtual void UpdateMenus();
|
||
|
|
|
||
|
|
virtual bool CanBeOutsideClientArea() const { 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(__WXPALMOS__)
|
||
|
|
#include "wx/palmos/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(__WXCOCOA__)
|
||
|
|
#include "wx/cocoa/menu.h"
|
||
|
|
#elif defined(__WXPM__)
|
||
|
|
#include "wx/os2/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_
|