menu.cpp

Wxpython Implemented on Windows CE, Source code

                    if ( item->IsSeparator() )
                    {
                        if ( mh )
                            MacAppendMenu(mh, "\p-" );
                    }
                    else
                    {
                        wxAcceleratorEntry* entry = wxGetAccelFromString( item->GetText() ) ;

                        if ( item->GetId() == wxApp::s_macAboutMenuItemId )
                        {
                            // this will be taken care of below
                        }
                        else
                        {
                            if ( mh )
                            {
                                UMAAppendMenuItem(mh, wxStripMenuCodes(item->GetText()) , wxFont::GetDefaultEncoding(), entry);
                                SetMenuItemCommandID( mh , CountMenuItems(mh) , wxIdToMacCommand ( item->GetId() ) ) ;
                                SetMenuItemRefCon( mh , CountMenuItems(mh) , (UInt32)item ) ;
                            }
                        }

                        delete entry ;
                    }
                }
            }
        }
        else
        {
            UMASetMenuTitle( MAC_WXHMENU(menu->GetHMenu()) , m_titles[i], m_font.GetEncoding()  ) ;
            menu->MacBeforeDisplay(false) ;
            ::InsertMenu(MAC_WXHMENU(_wxMenuAt(m_menus, i)->GetHMenu()), 0);
        }
    }

    // take care of the about menu item wherever it is
    {
        wxMenu* aboutMenu ;
        wxMenuItem *aboutMenuItem = FindItem(wxApp::s_macAboutMenuItemId , &aboutMenu) ;
        if ( aboutMenuItem )
        {
            wxAcceleratorEntry* entry = wxGetAccelFromString( aboutMenuItem->GetText() ) ;
            UMASetMenuItemText( GetMenuHandle( kwxMacAppleMenuId ) , 1 , wxStripMenuCodes ( aboutMenuItem->GetText() ) , wxFont::GetDefaultEncoding() );
            UMAEnableMenuItem( GetMenuHandle( kwxMacAppleMenuId ) , 1 , true );
            SetMenuItemCommandID( GetMenuHandle( kwxMacAppleMenuId ) , 1 , kHICommandAbout ) ;
            SetMenuItemRefCon(GetMenuHandle( kwxMacAppleMenuId ) , 1 , (UInt32)aboutMenuItem ) ;
            UMASetMenuItemShortcut( GetMenuHandle( kwxMacAppleMenuId ) , 1 , entry ) ;
        }
    }

    if ( GetAutoWindowMenu() )
    {
        if ( MacGetWindowMenuHMenu() == NULL )
            CreateStandardWindowMenu( 0 , (MenuHandle*) &s_macWindowMenuHandle ) ;

        InsertMenu( (MenuHandle) MacGetWindowMenuHMenu() , 0 ) ;
    }

    ::DrawMenuBar() ;
    s_macInstalledMenuBar = this;
}

void wxMenuBar::EnableTop(size_t pos, bool enable)
{
    wxCHECK_RET( IsAttached(), wxT("doesn't work with unattached menubars") );

    _wxMenuAt(m_menus, pos)->MacEnableMenu( enable ) ;
    Refresh();
}

bool wxMenuBar::Enable(bool enable)
{
    wxCHECK_MSG( IsAttached(), false, wxT("doesn't work with unattached menubars") );

    size_t i;
    for (i = 0; i < GetMenuCount(); i++)
        EnableTop(i, enable);

    return true;
}

void wxMenuBar::SetLabelTop(size_t pos, const wxString& label)
{
    wxCHECK_RET( pos < GetMenuCount(), wxT("invalid menu index") );

    m_titles[pos] = label;

    if ( !IsAttached() )
        return;

    _wxMenuAt(m_menus, pos)->SetTitle( label ) ;

    if (wxMenuBar::s_macInstalledMenuBar == this) // are we currently installed ?
    {
        ::SetMenuBar( GetMenuBar() ) ;
        ::InvalMenuBar() ;
    }
}

wxString wxMenuBar::GetLabelTop(size_t pos) const
{
    wxCHECK_MSG( pos < GetMenuCount(), wxEmptyString,
                 wxT("invalid menu index in wxMenuBar::GetLabelTop") );

    return m_titles[pos];
}

int wxMenuBar::FindMenu(const wxString& title)
{
    wxString menuTitle = wxStripMenuCodes(title);

    size_t count = GetMenuCount();
    for ( size_t i = 0; i < count; i++ )
    {
        wxString title = wxStripMenuCodes(m_titles[i]);
        if ( menuTitle == title )
            return i;
    }

    return wxNOT_FOUND;
}

// ---------------------------------------------------------------------------
// wxMenuBar construction
// ---------------------------------------------------------------------------

wxMenu *wxMenuBar::Replace(size_t pos, wxMenu *menu, const wxString& title)
{
    wxMenu *menuOld = wxMenuBarBase::Replace(pos, menu, title);
    if ( !menuOld )
        return NULL;

    m_titles[pos] = title;

    if ( IsAttached() )
    {
        if (s_macInstalledMenuBar == this)
        {
            menuOld->MacAfterDisplay( false ) ;
            ::DeleteMenu( menuOld->MacGetMenuId() /* m_menus[pos]->MacGetMenuId() */ ) ;

            menu->MacBeforeDisplay( false ) ;
            UMASetMenuTitle( MAC_WXHMENU(menu->GetHMenu()) , title , m_font.GetEncoding() ) ;
            if ( pos == m_menus.GetCount() - 1)
                ::InsertMenu( MAC_WXHMENU(menu->GetHMenu()) , 0 ) ;
            else
                ::InsertMenu( MAC_WXHMENU(menu->GetHMenu()) , _wxMenuAt(m_menus, pos + 1)->MacGetMenuId() ) ;
        }

        Refresh();
    }

    if (m_invokingWindow)
        wxMenubarSetInvokingWindow( menu, m_invokingWindow );

    return menuOld;
}

bool wxMenuBar::Insert(size_t pos, wxMenu *menu, const wxString& title)
{
    if ( !wxMenuBarBase::Insert(pos, menu, title) )
        return false;

    m_titles.Insert(title, pos);

    UMASetMenuTitle( MAC_WXHMENU(menu->GetHMenu()) , title , m_font.GetEncoding() ) ;

    if ( IsAttached() && s_macInstalledMenuBar == this )
    {
        if (s_macInstalledMenuBar == this)
        {
            menu->MacBeforeDisplay( false ) ;

            if ( pos == (size_t) -1  || pos + 1 == m_menus.GetCount() )
                ::InsertMenu( MAC_WXHMENU(menu->GetHMenu()) , 0 ) ;
            else
                ::InsertMenu( MAC_WXHMENU(menu->GetHMenu()) , _wxMenuAt(m_menus, pos+1)->MacGetMenuId() ) ;
        }

        Refresh();
    }

    if (m_invokingWindow)
        wxMenubarSetInvokingWindow( menu, m_invokingWindow );

    return true;
}

wxMenu *wxMenuBar::Remove(size_t pos)
{
    wxMenu *menu = wxMenuBarBase::Remove(pos);
    if ( !menu )
        return NULL;

    if ( IsAttached() )
    {
        if (s_macInstalledMenuBar == this)
            ::DeleteMenu( menu->MacGetMenuId() /* m_menus[pos]->MacGetMenuId() */ ) ;

        Refresh();
    }

    m_titles.RemoveAt(pos);

    return menu;
}

bool wxMenuBar::Append(wxMenu *menu, const wxString& title)
{
    WXHMENU submenu = menu ? menu->GetHMenu() : 0;
        wxCHECK_MSG( submenu, false, wxT("can't append invalid menu to menubar") );

    if ( !wxMenuBarBase::Append(menu, title) )
        return false;

    m_titles.Add(title);

    UMASetMenuTitle( MAC_WXHMENU(menu->GetHMenu()) , title , m_font.GetEncoding() ) ;

    if ( IsAttached() )
    {
        if (s_macInstalledMenuBar == this)
        {
            menu->MacBeforeDisplay( false ) ;
            ::InsertMenu( MAC_WXHMENU(menu->GetHMenu()) , 0 ) ;
        }

        Refresh();
    }

    // m_invokingWindow is set after wxFrame::SetMenuBar(). This call enables
    // adding menu later on.
    if (m_invokingWindow)
        wxMenubarSetInvokingWindow( menu, m_invokingWindow );

    return true;
}

static void wxMenubarUnsetInvokingWindow( wxMenu *menu )
{
    menu->SetInvokingWindow( (wxWindow*) NULL );
    wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst();

    while (node)
    {
        wxMenuItem *menuitem = node->GetData();
        if (menuitem->IsSubMenu())
            wxMenubarUnsetInvokingWindow( menuitem->GetSubMenu() );

        node = node->GetNext();
    }
}

static void wxMenubarSetInvokingWindow( wxMenu *menu, wxWindow *win )
{
    menu->SetInvokingWindow( win );
    wxMenuItem *menuitem;
    wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst();

    while (node)
    {
        menuitem = node->GetData();
        if (menuitem->IsSubMenu())
            wxMenubarSetInvokingWindow( menuitem->GetSubMenu() , win );

        node = node->GetNext();
    }
}

void wxMenuBar::UnsetInvokingWindow()
{
    m_invokingWindow = (wxWindow*) NULL;
    wxMenu *menu;
    wxMenuList::compatibility_iterator node = m_menus.GetFirst();

    while (node)
    {
        menu = node->GetData();
        wxMenubarUnsetInvokingWindow( menu );

        node = node->GetNext();
    }
}

void wxMenuBar::SetInvokingWindow(wxFrame *frame)
{
    m_invokingWindow = frame;
    wxMenu *menu;
    wxMenuList::compatibility_iterator node = m_menus.GetFirst();

    while (node)
    {
        menu = node->GetData();
        wxMenubarSetInvokingWindow( menu, frame );

        node = node->GetNext();
    }
}

void wxMenuBar::Detach()
{
    wxMenuBarBase::Detach() ;
}

void wxMenuBar::Attach(wxFrame *frame)
{
    wxMenuBarBase::Attach( frame ) ;
}

// ---------------------------------------------------------------------------
// wxMenuBar searching for menu items
// ---------------------------------------------------------------------------

// Find the itemString in menuString, and return the item id or wxNOT_FOUND
int wxMenuBar::FindMenuItem(const wxString& menuString,
                            const wxString& itemString) const
{
    wxString menuLabel = wxStripMenuCodes(menuString);
    size_t count = GetMenuCount();
    for ( size_t i = 0; i < count; i++ )
    {
        wxString title = wxStripMenuCodes(m_titles[i]);
        if ( menuLabel == title )
            return _wxMenuAt(m_menus, i)->FindItem(itemString);
    }

    return wxNOT_FOUND;
}

wxMenuItem *wxMenuBar::FindItem(int id, wxMenu **itemMenu) const
{
    if ( itemMenu )
        *itemMenu = NULL;

    wxMenuItem *item = NULL;
    size_t count = GetMenuCount();
    for ( size_t i = 0; !item && (i < count); i++ )
        item = _wxMenuAt(m_menus, i)->FindItem(id, itemMenu);

    return item;
}