c4e43bea7b
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@48050 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
857 lines
22 KiB
C++
857 lines
22 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: src/common/menucmn.cpp
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// Purpose: wxMenu and wxMenuBar methods common to all ports
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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: $Id$
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// Copyright: (c) wxWidgets team
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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// ============================================================================
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// declarations
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// ============================================================================
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#if wxUSE_MENUS
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#ifndef WX_PRECOMP
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#include "wx/intl.h"
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#include "wx/log.h"
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#include "wx/menu.h"
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#endif
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#include "wx/stockitem.h"
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// ----------------------------------------------------------------------------
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// template lists
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// ----------------------------------------------------------------------------
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#include "wx/listimpl.cpp"
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WX_DEFINE_LIST(wxMenuList)
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WX_DEFINE_LIST(wxMenuItemList)
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// ============================================================================
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// implementation
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// ============================================================================
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// ----------------------------------------------------------------------------
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// wxMenuItemBase
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// ----------------------------------------------------------------------------
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wxMenuItemBase::wxMenuItemBase(wxMenu *parentMenu,
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int id,
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const wxString& text,
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const wxString& help,
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wxItemKind kind,
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wxMenu *subMenu)
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{
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wxASSERT_MSG( parentMenu != NULL, wxT("menuitem should have a menu") );
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m_parentMenu = parentMenu;
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m_subMenu = subMenu;
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m_isEnabled = true;
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m_isChecked = false;
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m_id = id;
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m_kind = kind;
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if (m_id == wxID_ANY)
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m_id = wxNewId();
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if (m_id == wxID_SEPARATOR)
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m_kind = wxITEM_SEPARATOR;
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SetItemLabel(text);
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SetHelp(help);
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}
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wxMenuItemBase::~wxMenuItemBase()
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{
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delete m_subMenu;
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}
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#if wxUSE_ACCEL
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wxAcceleratorEntry *wxMenuItemBase::GetAccel() const
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{
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return wxAcceleratorEntry::Create(GetItemLabel());
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}
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void wxMenuItemBase::SetAccel(wxAcceleratorEntry *accel)
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{
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wxString text = m_text.BeforeFirst(wxT('\t'));
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if ( accel )
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{
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text += wxT('\t');
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text += accel->ToString();
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}
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SetItemLabel(text);
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}
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#endif // wxUSE_ACCEL
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void wxMenuItemBase::SetItemLabel(const wxString& str)
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{
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m_text = str;
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if ( m_text.empty() && !IsSeparator() )
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{
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wxASSERT_MSG( wxIsStockID(GetId()),
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wxT("A non-stock menu item with an empty label?") );
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m_text = wxGetStockLabel(GetId(), wxSTOCK_WITH_ACCELERATOR |
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wxSTOCK_WITH_MNEMONIC);
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}
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}
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void wxMenuItemBase::SetHelp(const wxString& str)
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{
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m_help = str;
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if ( m_help.empty() && !IsSeparator() && wxIsStockID(GetId()) )
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{
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// get a stock help string
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m_help = wxGetStockHelpString(GetId());
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}
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}
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#if WXWIN_COMPATIBILITY_2_8
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wxString wxMenuItemBase::GetLabelFromText(const wxString& text)
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{
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return GetLabelText(text);
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}
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#endif
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bool wxMenuBase::ms_locked = true;
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// ----------------------------------------------------------------------------
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// wxMenu ctor and dtor
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// ----------------------------------------------------------------------------
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void wxMenuBase::Init(long style)
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{
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m_menuBar = (wxMenuBar *)NULL;
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m_menuParent = (wxMenu *)NULL;
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m_invokingWindow = (wxWindow *)NULL;
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m_style = style;
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m_clientData = (void *)NULL;
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m_eventHandler = this;
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}
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wxMenuBase::~wxMenuBase()
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{
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WX_CLEAR_LIST(wxMenuItemList, m_items);
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// Actually, in GTK, the submenus have to get deleted first.
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}
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// ----------------------------------------------------------------------------
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// wxMenu item adding/removing
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// ----------------------------------------------------------------------------
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void wxMenuBase::AddSubMenu(wxMenu *submenu)
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{
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wxCHECK_RET( submenu, _T("can't add a NULL submenu") );
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submenu->SetParent((wxMenu *)this);
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}
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wxMenuItem* wxMenuBase::DoAppend(wxMenuItem *item)
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{
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wxCHECK_MSG( item, NULL, wxT("invalid item in wxMenu::Append()") );
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m_items.Append(item);
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item->SetMenu((wxMenu*)this);
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if ( item->IsSubMenu() )
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{
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AddSubMenu(item->GetSubMenu());
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}
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return item;
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}
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wxMenuItem* wxMenuBase::Insert(size_t pos, wxMenuItem *item)
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{
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wxCHECK_MSG( item, NULL, wxT("invalid item in wxMenu::Insert") );
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if ( pos == GetMenuItemCount() )
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{
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return DoAppend(item);
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}
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else
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{
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wxCHECK_MSG( pos < GetMenuItemCount(), NULL,
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wxT("invalid index in wxMenu::Insert") );
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return DoInsert(pos, item);
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}
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}
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wxMenuItem* wxMenuBase::DoInsert(size_t pos, wxMenuItem *item)
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{
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wxCHECK_MSG( item, NULL, wxT("invalid item in wxMenu::Insert()") );
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wxMenuItemList::compatibility_iterator node = m_items.Item(pos);
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wxCHECK_MSG( node, NULL, wxT("invalid index in wxMenu::Insert()") );
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m_items.Insert(node, item);
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item->SetMenu((wxMenu*)this);
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if ( item->IsSubMenu() )
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{
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AddSubMenu(item->GetSubMenu());
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}
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return item;
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}
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wxMenuItem *wxMenuBase::Remove(wxMenuItem *item)
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{
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wxCHECK_MSG( item, NULL, wxT("invalid item in wxMenu::Remove") );
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return DoRemove(item);
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}
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wxMenuItem *wxMenuBase::DoRemove(wxMenuItem *item)
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{
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wxMenuItemList::compatibility_iterator node = m_items.Find(item);
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// if we get here, the item is valid or one of Remove() functions is broken
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wxCHECK_MSG( node, NULL, wxT("bug in wxMenu::Remove logic") );
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// we detach the item, but we do delete the list node (i.e. don't call
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// DetachNode() here!)
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m_items.Erase(node);
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// item isn't attached to anything any more
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item->SetMenu((wxMenu *)NULL);
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wxMenu *submenu = item->GetSubMenu();
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if ( submenu )
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{
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submenu->SetParent((wxMenu *)NULL);
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if ( submenu->IsAttached() )
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submenu->Detach();
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}
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return item;
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}
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bool wxMenuBase::Delete(wxMenuItem *item)
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{
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wxCHECK_MSG( item, false, wxT("invalid item in wxMenu::Delete") );
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return DoDelete(item);
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}
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bool wxMenuBase::DoDelete(wxMenuItem *item)
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{
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wxMenuItem *item2 = DoRemove(item);
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wxCHECK_MSG( item2, false, wxT("failed to delete menu item") );
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// don't delete the submenu
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item2->SetSubMenu((wxMenu *)NULL);
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delete item2;
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return true;
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}
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bool wxMenuBase::Destroy(wxMenuItem *item)
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{
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wxCHECK_MSG( item, false, wxT("invalid item in wxMenu::Destroy") );
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return DoDestroy(item);
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}
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bool wxMenuBase::DoDestroy(wxMenuItem *item)
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{
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wxMenuItem *item2 = DoRemove(item);
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wxCHECK_MSG( item2, false, wxT("failed to delete menu item") );
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delete item2;
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return true;
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}
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// ----------------------------------------------------------------------------
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// wxMenu searching for items
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// ----------------------------------------------------------------------------
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// Finds the item id matching the given string, wxNOT_FOUND if not found.
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int wxMenuBase::FindItem(const wxString& text) const
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{
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wxString label = wxMenuItem::GetLabelText(text);
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for ( wxMenuItemList::compatibility_iterator node = m_items.GetFirst();
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node;
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node = node->GetNext() )
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{
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wxMenuItem *item = node->GetData();
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if ( item->IsSubMenu() )
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{
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int rc = item->GetSubMenu()->FindItem(label);
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if ( rc != wxNOT_FOUND )
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return rc;
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}
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// we execute this code for submenus as well to alllow finding them by
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// name just like the ordinary items
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if ( !item->IsSeparator() )
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{
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if ( item->GetItemLabelText() == label )
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return item->GetId();
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}
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}
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return wxNOT_FOUND;
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}
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// recursive search for item by id
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wxMenuItem *wxMenuBase::FindItem(int itemId, wxMenu **itemMenu) const
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{
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if ( itemMenu )
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*itemMenu = NULL;
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wxMenuItem *item = NULL;
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for ( wxMenuItemList::compatibility_iterator node = m_items.GetFirst();
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node && !item;
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node = node->GetNext() )
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{
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item = node->GetData();
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if ( item->GetId() == itemId )
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{
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if ( itemMenu )
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*itemMenu = (wxMenu *)this;
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}
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else if ( item->IsSubMenu() )
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{
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item = item->GetSubMenu()->FindItem(itemId, itemMenu);
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}
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else
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{
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// don't exit the loop
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item = NULL;
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}
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}
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return item;
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}
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// non recursive search
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wxMenuItem *wxMenuBase::FindChildItem(int id, size_t *ppos) const
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{
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wxMenuItem *item = (wxMenuItem *)NULL;
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wxMenuItemList::compatibility_iterator node = GetMenuItems().GetFirst();
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size_t pos;
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for ( pos = 0; node; pos++ )
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{
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if ( node->GetData()->GetId() == id )
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{
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item = node->GetData();
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break;
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}
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node = node->GetNext();
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}
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if ( ppos )
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{
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*ppos = item ? pos : (size_t)wxNOT_FOUND;
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}
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return item;
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}
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// find by position
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wxMenuItem* wxMenuBase::FindItemByPosition(size_t position) const
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{
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wxCHECK_MSG( position < m_items.GetCount(), NULL,
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_T("wxMenu::FindItemByPosition(): invalid menu index") );
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return m_items.Item( position )->GetData();
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}
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// ----------------------------------------------------------------------------
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// wxMenu helpers used by derived classes
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// ----------------------------------------------------------------------------
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// Update a menu and all submenus recursively. source is the object that has
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// the update event handlers defined for it. If NULL, the menu or associated
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// window will be used.
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void wxMenuBase::UpdateUI(wxEvtHandler* source)
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{
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if (GetInvokingWindow())
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{
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// Don't update menus if the parent
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// frame is about to get deleted
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wxWindow *tlw = wxGetTopLevelParent( GetInvokingWindow() );
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if (tlw && wxPendingDelete.Member(tlw))
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return;
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}
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if ( !source && GetInvokingWindow() )
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source = GetInvokingWindow()->GetEventHandler();
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if ( !source )
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source = GetEventHandler();
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if ( !source )
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source = this;
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wxMenuItemList::compatibility_iterator node = GetMenuItems().GetFirst();
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while ( node )
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{
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wxMenuItem* item = node->GetData();
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if ( !item->IsSeparator() )
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{
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wxWindowID id = item->GetId();
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wxUpdateUIEvent event(id);
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event.SetEventObject( source );
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if ( source->ProcessEvent(event) )
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{
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// if anything changed, update the changed attribute
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if (event.GetSetText())
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SetLabel(id, event.GetText());
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if (event.GetSetChecked())
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Check(id, event.GetChecked());
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if (event.GetSetEnabled())
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Enable(id, event.GetEnabled());
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}
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// recurse to the submenus
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if ( item->GetSubMenu() )
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item->GetSubMenu()->UpdateUI(source);
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}
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//else: item is a separator (which doesn't process update UI events)
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node = node->GetNext();
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}
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}
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bool wxMenuBase::SendEvent(int id, int checked)
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{
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wxCommandEvent event(wxEVT_COMMAND_MENU_SELECTED, id);
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event.SetEventObject(this);
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event.SetInt(checked);
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bool processed = false;
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// Try the menu's event handler
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// if ( !processed )
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{
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wxEvtHandler *handler = GetEventHandler();
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if ( handler )
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processed = handler->ProcessEvent(event);
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}
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// Try the window the menu was popped up from (and up through the
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// hierarchy)
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if ( !processed )
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{
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const wxMenuBase *menu = this;
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while ( menu )
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{
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wxWindow *win = menu->GetInvokingWindow();
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if ( win )
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{
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processed = win->GetEventHandler()->ProcessEvent(event);
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break;
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}
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menu = menu->GetParent();
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}
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}
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return processed;
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}
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// ----------------------------------------------------------------------------
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// wxMenu attaching/detaching to/from menu bar
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// ----------------------------------------------------------------------------
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wxMenuBar* wxMenuBase::GetMenuBar() const
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{
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if(GetParent())
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return GetParent()->GetMenuBar();
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return m_menuBar;
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}
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void wxMenuBase::Attach(wxMenuBarBase *menubar)
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{
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// use Detach() instead!
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wxASSERT_MSG( menubar, _T("menu can't be attached to NULL menubar") );
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// use IsAttached() to prevent this from happening
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wxASSERT_MSG( !m_menuBar, _T("attaching menu twice?") );
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m_menuBar = (wxMenuBar *)menubar;
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}
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void wxMenuBase::Detach()
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{
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// use IsAttached() to prevent this from happening
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wxASSERT_MSG( m_menuBar, _T("detaching unattached menu?") );
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m_menuBar = NULL;
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}
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// ----------------------------------------------------------------------------
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// wxMenu functions forwarded to wxMenuItem
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// ----------------------------------------------------------------------------
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void wxMenuBase::Enable( int id, bool enable )
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{
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wxMenuItem *item = FindItem(id);
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wxCHECK_RET( item, wxT("wxMenu::Enable: no such item") );
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item->Enable(enable);
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}
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bool wxMenuBase::IsEnabled( int id ) const
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{
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wxMenuItem *item = FindItem(id);
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wxCHECK_MSG( item, false, wxT("wxMenu::IsEnabled: no such item") );
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return item->IsEnabled();
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}
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void wxMenuBase::Check( int id, bool enable )
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{
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wxMenuItem *item = FindItem(id);
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wxCHECK_RET( item, wxT("wxMenu::Check: no such item") );
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item->Check(enable);
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}
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bool wxMenuBase::IsChecked( int id ) const
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{
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wxMenuItem *item = FindItem(id);
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wxCHECK_MSG( item, false, wxT("wxMenu::IsChecked: no such item") );
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return item->IsChecked();
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}
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void wxMenuBase::SetLabel( int id, const wxString &label )
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{
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wxMenuItem *item = FindItem(id);
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wxCHECK_RET( item, wxT("wxMenu::SetLabel: no such item") );
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item->SetItemLabel(label);
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}
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wxString wxMenuBase::GetLabel( int id ) const
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{
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wxMenuItem *item = FindItem(id);
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wxCHECK_MSG( item, wxEmptyString, wxT("wxMenu::GetLabel: no such item") );
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return item->GetItemLabel();
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}
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void wxMenuBase::SetHelpString( int id, const wxString& helpString )
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{
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wxMenuItem *item = FindItem(id);
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wxCHECK_RET( item, wxT("wxMenu::SetHelpString: no such item") );
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item->SetHelp( helpString );
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}
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wxString wxMenuBase::GetHelpString( int id ) const
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{
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wxMenuItem *item = FindItem(id);
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wxCHECK_MSG( item, wxEmptyString, wxT("wxMenu::GetHelpString: no such item") );
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return item->GetHelp();
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}
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// ----------------------------------------------------------------------------
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// wxMenuBarBase ctor and dtor
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// ----------------------------------------------------------------------------
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wxMenuBarBase::wxMenuBarBase()
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{
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// not attached yet
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m_menuBarFrame = NULL;
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}
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wxMenuBarBase::~wxMenuBarBase()
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{
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WX_CLEAR_LIST(wxMenuList, m_menus);
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}
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// ----------------------------------------------------------------------------
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// wxMenuBar item access: the base class versions manage m_menus list, the
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// derived class should reflect the changes in the real menubar
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// ----------------------------------------------------------------------------
|
|
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wxMenu *wxMenuBarBase::GetMenu(size_t pos) const
|
|
{
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wxMenuList::compatibility_iterator node = m_menus.Item(pos);
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wxCHECK_MSG( node, NULL, wxT("bad index in wxMenuBar::GetMenu()") );
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|
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return node->GetData();
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}
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|
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bool wxMenuBarBase::Append(wxMenu *menu, const wxString& WXUNUSED(title))
|
|
{
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wxCHECK_MSG( menu, false, wxT("can't append NULL menu") );
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|
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m_menus.Append(menu);
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menu->Attach(this);
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return true;
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}
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|
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bool wxMenuBarBase::Insert(size_t pos, wxMenu *menu,
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|
const wxString& title)
|
|
{
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|
if ( pos == m_menus.GetCount() )
|
|
{
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return wxMenuBarBase::Append(menu, title);
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|
}
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else // not at the end
|
|
{
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wxCHECK_MSG( menu, false, wxT("can't insert NULL menu") );
|
|
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wxMenuList::compatibility_iterator node = m_menus.Item(pos);
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wxCHECK_MSG( node, false, wxT("bad index in wxMenuBar::Insert()") );
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|
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|
m_menus.Insert(node, menu);
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|
menu->Attach(this);
|
|
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return true;
|
|
}
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|
}
|
|
|
|
wxMenu *wxMenuBarBase::Replace(size_t pos, wxMenu *menu,
|
|
const wxString& WXUNUSED(title))
|
|
{
|
|
wxCHECK_MSG( menu, NULL, wxT("can't insert NULL menu") );
|
|
|
|
wxMenuList::compatibility_iterator node = m_menus.Item(pos);
|
|
wxCHECK_MSG( node, NULL, wxT("bad index in wxMenuBar::Replace()") );
|
|
|
|
wxMenu *menuOld = node->GetData();
|
|
node->SetData(menu);
|
|
|
|
menu->Attach(this);
|
|
menuOld->Detach();
|
|
|
|
return menuOld;
|
|
}
|
|
|
|
wxMenu *wxMenuBarBase::Remove(size_t pos)
|
|
{
|
|
wxMenuList::compatibility_iterator node = m_menus.Item(pos);
|
|
wxCHECK_MSG( node, NULL, wxT("bad index in wxMenuBar::Remove()") );
|
|
|
|
wxMenu *menu = node->GetData();
|
|
m_menus.Erase(node);
|
|
menu->Detach();
|
|
|
|
return menu;
|
|
}
|
|
|
|
int wxMenuBarBase::FindMenu(const wxString& title) const
|
|
{
|
|
wxString label = wxMenuItem::GetLabelText(title);
|
|
|
|
size_t count = GetMenuCount();
|
|
for ( size_t i = 0; i < count; i++ )
|
|
{
|
|
wxString title2 = GetMenuLabel(i);
|
|
if ( (title2 == title) ||
|
|
(wxMenuItem::GetLabelText(title2) == label) )
|
|
{
|
|
// found
|
|
return (int)i;
|
|
}
|
|
}
|
|
|
|
return wxNOT_FOUND;
|
|
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// wxMenuBar attaching/detaching to/from the frame
|
|
// ----------------------------------------------------------------------------
|
|
|
|
void wxMenuBarBase::Attach(wxFrame *frame)
|
|
{
|
|
wxASSERT_MSG( !IsAttached(), wxT("menubar already attached!") );
|
|
|
|
m_menuBarFrame = frame;
|
|
}
|
|
|
|
void wxMenuBarBase::Detach()
|
|
{
|
|
wxASSERT_MSG( IsAttached(), wxT("detaching unattached menubar") );
|
|
|
|
m_menuBarFrame = NULL;
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// wxMenuBar searching for items
|
|
// ----------------------------------------------------------------------------
|
|
|
|
wxMenuItem *wxMenuBarBase::FindItem(int id, wxMenu **menu) const
|
|
{
|
|
if ( menu )
|
|
*menu = NULL;
|
|
|
|
wxMenuItem *item = NULL;
|
|
size_t count = GetMenuCount(), i;
|
|
wxMenuList::const_iterator it;
|
|
for ( i = 0, it = m_menus.begin(); !item && (i < count); i++, it++ )
|
|
{
|
|
item = (*it)->FindItem(id, menu);
|
|
}
|
|
|
|
return item;
|
|
}
|
|
|
|
int wxMenuBarBase::FindMenuItem(const wxString& menu, const wxString& item) const
|
|
{
|
|
wxString label = wxMenuItem::GetLabelText(menu);
|
|
|
|
int i = 0;
|
|
wxMenuList::compatibility_iterator node;
|
|
for ( node = m_menus.GetFirst(); node; node = node->GetNext(), i++ )
|
|
{
|
|
if ( label == wxMenuItem::GetLabelText(GetMenuLabel(i)) )
|
|
return node->GetData()->FindItem(item);
|
|
}
|
|
|
|
return wxNOT_FOUND;
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
// wxMenuBar functions forwarded to wxMenuItem
|
|
// ---------------------------------------------------------------------------
|
|
|
|
void wxMenuBarBase::Enable(int id, bool enable)
|
|
{
|
|
wxMenuItem *item = FindItem(id);
|
|
|
|
wxCHECK_RET( item, wxT("attempt to enable an item which doesn't exist") );
|
|
|
|
item->Enable(enable);
|
|
}
|
|
|
|
void wxMenuBarBase::Check(int id, bool check)
|
|
{
|
|
wxMenuItem *item = FindItem(id);
|
|
|
|
wxCHECK_RET( item, wxT("attempt to check an item which doesn't exist") );
|
|
wxCHECK_RET( item->IsCheckable(), wxT("attempt to check an uncheckable item") );
|
|
|
|
item->Check(check);
|
|
}
|
|
|
|
bool wxMenuBarBase::IsChecked(int id) const
|
|
{
|
|
wxMenuItem *item = FindItem(id);
|
|
|
|
wxCHECK_MSG( item, false, wxT("wxMenuBar::IsChecked(): no such item") );
|
|
|
|
return item->IsChecked();
|
|
}
|
|
|
|
bool wxMenuBarBase::IsEnabled(int id) const
|
|
{
|
|
wxMenuItem *item = FindItem(id);
|
|
|
|
wxCHECK_MSG( item, false, wxT("wxMenuBar::IsEnabled(): no such item") );
|
|
|
|
return item->IsEnabled();
|
|
}
|
|
|
|
void wxMenuBarBase::SetLabel(int id, const wxString& label)
|
|
{
|
|
wxMenuItem *item = FindItem(id);
|
|
|
|
wxCHECK_RET( item, wxT("wxMenuBar::SetLabel(): no such item") );
|
|
|
|
item->SetItemLabel(label);
|
|
}
|
|
|
|
wxString wxMenuBarBase::GetLabel(int id) const
|
|
{
|
|
wxMenuItem *item = FindItem(id);
|
|
|
|
wxCHECK_MSG( item, wxEmptyString,
|
|
wxT("wxMenuBar::GetLabel(): no such item") );
|
|
|
|
return item->GetItemLabel();
|
|
}
|
|
|
|
void wxMenuBarBase::SetHelpString(int id, const wxString& helpString)
|
|
{
|
|
wxMenuItem *item = FindItem(id);
|
|
|
|
wxCHECK_RET( item, wxT("wxMenuBar::SetHelpString(): no such item") );
|
|
|
|
item->SetHelp(helpString);
|
|
}
|
|
|
|
wxString wxMenuBarBase::GetHelpString(int id) const
|
|
{
|
|
wxMenuItem *item = FindItem(id);
|
|
|
|
wxCHECK_MSG( item, wxEmptyString,
|
|
wxT("wxMenuBar::GetHelpString(): no such item") );
|
|
|
|
return item->GetHelp();
|
|
}
|
|
|
|
void wxMenuBarBase::UpdateMenus( void )
|
|
{
|
|
wxEvtHandler* source;
|
|
wxMenu* menu;
|
|
int nCount = GetMenuCount();
|
|
for (int n = 0; n < nCount; n++)
|
|
{
|
|
menu = GetMenu( n );
|
|
if (menu != NULL)
|
|
{
|
|
source = menu->GetEventHandler();
|
|
if (source != NULL)
|
|
menu->UpdateUI( source );
|
|
}
|
|
}
|
|
}
|
|
|
|
#if WXWIN_COMPATIBILITY_2_8
|
|
// get or change the label of the menu at given position
|
|
void wxMenuBarBase::SetLabelTop(size_t pos, const wxString& label)
|
|
{
|
|
SetMenuLabel(pos, label);
|
|
}
|
|
|
|
wxString wxMenuBarBase::GetLabelTop(size_t pos) const
|
|
{
|
|
return GetMenuLabelText(pos);
|
|
}
|
|
#endif
|
|
|
|
|
|
#endif // wxUSE_MENUS
|