menumgr.cpp

来自「开放源码的编译器open watcom 1.6.0版的源代码」· C++ 代码 · 共 465 行 · 第 1/2 页

        _clientWin = NULL;
        break;
    }
}

void MenuManager::enableMenu( const MIMenuID & id, bool enable )
//--------------------------------------------------------------
{
    if( _clientWin ) {
        _topMenus[ id.mainID() ]->enableItem( enable, id.subID() );
    }
}

bool MenuManager::menuEnabled( const MIMenuID & id )
//--------------------------------------------------
{
    if( _clientWin ) {
        return _topMenus[ id.mainID() ]->itemEnabled( id.subID() );
    }

    return FALSE;
}

void MenuManager::checkMenu( const MIMenuID & id, bool enable )
//-------------------------------------------------------------
{
    if( _clientWin ) {
        _topMenus[ id.mainID() ]->checkItem( enable, id.subID() );
    }
}

void MenuManager::registerForMenu( MenuHandler * hdlr, const MIMenuID & id, bool enable )
//---------------------------------------------------------------------------------------
{
    ASSERTION( !_receivers->contains( id ) );

    (*_receivers)[ id ] = hdlr;
    enableMenu( id, enable );
}

void MenuManager::unRegister( const MIMenuID & id )
//-------------------------------------------------
{
    bool found;

    enableMenu( id, FALSE );
    found = (bool) _receivers->remove( id );

    ASSERTION( found );
}

void MenuManager::menuSelected( WMenuItem * item )
//------------------------------------------------
{
    const SubMenuInfo * info;
    MenuHandler *       handler;

    info = (const SubMenuInfo *) item->tagPtr();
    MIMenuID id( info->mainId, info->subId );

    if( _receivers->find( id, handler ) ) {
        if( handler != NULL ) {
            handler->menuSelected( id );
        }
    }
}

void MenuManager::menuPopup( WPopupMenu * pop )
//---------------------------------------------
{
    int i;

    ASSERTION( (_clientWin != NULL) );

    for( i = 0; i < MMNumMainMenus; i += 1 ) {
        if( pop == _topMenus[ i ] ) {
            _clientWin->statusText( MainMenuInfo[ i ].hint );
            break;
        }
    }
}

void MenuManager::hintText( WMenuItem *, const char * hint )
//----------------------------------------------------------
{
    ASSERTION( (_clientWin != NULL) );

    _clientWin->statusText( hint );
}

void MenuManager::makeItem( WPopupMenu * pop, const SubMenuInfo * info,
                            int idx, bool disable )
//-------------------------------------------------------------------------------
{
    WMenuItem * item;

    if( info[ idx ].menuName != NULL ) {
        item = new WMenuItem( info[ idx ].menuName, this, (cbm) &MenuManager::menuSelected,
                                (cbh) &MenuManager::hintText, info[ idx ].hint );
        item->setTagPtr( (void *) (info + idx) );
    } else {
        item = new WMenuSeparator;
    }

    pop->insertItem( item );

    if( disable ) {
        pop->enableItem( FALSE, idx );
    }
}

void MenuManager::setupMenus( Browse * client )
//---------------------------------------------
{
    int             i;
    WPopupMenu *    pop;
    WPopupMenu *    subPop;
    WMenu *         menu;

    _clientWin = client;
    menu = new WMenu;

    typedef WPopupMenu * popMenuStar;   // to use new []

    _topMenus = new popMenuStar[ MMNumMainMenus + CMNumCascadeMenus ];
    _receivers = new WCValHashDict< MIMenuID, MenuHandler * >( &MenuHash );

    for( i = 0; i < MMNumMainMenus; i += 1 ) {
        if( i == MMWindows ) {
            // Windows menu handled by WCLASS
            _topMenus[ i ] = NULL;
        } else {
            _topMenus[ i ] = new WPopupMenu( MainMenuInfo[ i ].menuName );
            _topMenus[ i ]->onPopup( this, (cbp) &MenuManager::menuPopup );
        }
    }

    for( i = 0; i < CMNumCascadeMenus; i += 1 ) {
        _topMenus[ i + MMNumMainMenus ] = new WPopupMenu( CascadeMenuInfo[ i ].menuName );
        _topMenus[ i + MMNumMainMenus ]->onPopup( this, (cbp) &MenuManager::menuPopup );
    }

    //------- File Menu ---------//
    pop = _topMenus[ MMFile ];
    menu->insertPopup( pop );
    for( i = 0; i < FMNumFileMenus; i += 1 ) {
        makeItem( pop, FileMenuInfo, i );
    }

    //-------  View Menu --------//
    pop = _topMenus[ MMView ];
    menu->insertPopup( pop );
    makeItem( pop, ViewMenuInfo, VMList );

    subPop = _topMenus[ CMViewInherit ];
    pop->insertPopup( subPop );
    for( i = 0; i < VMNumViewInheritMenus; i += 1 ) {
        makeItem( subPop, ViewInheritMenuInfo, i );
    }

    subPop = _topMenus[ CMViewCall ];
    pop->insertPopup( subPop );
    for( i = 0; i < VMNumViewCallMenus; i += 1 ) {
        makeItem( subPop, ViewCallMenuInfo, i );
    }

    //------- Detail Menu ---------//
    pop = _topMenus[ MMDetail ];
    menu->insertPopup( pop );
    for( i = 0; i < DMNumDetailMenus; i += 1 ) {
        makeItem( pop, DetailMenuInfo, i );
    }

    //------- Tree Menu ---------//
    pop = _topMenus[ MMTree ];
    menu->insertPopup( pop );
    for( i = 0; i < TMNumTreeMenus; i += 1 ) {
        makeItem( pop, TreeMenuInfo, i );
    }

    //------- Locate Menu ---------//
    pop = _topMenus[ MMLocate ];
    menu->insertPopup( pop );
    for( i = 0; i < LMNumLocateMenus; i += 1 ) {
        makeItem( pop, LocateMenuInfo, i );
    }

    //------- Options Menu ---------//
    pop = _topMenus[ MMOptions ];
    menu->insertPopup( pop );
    for( i = 0; i < OMNumOptionsMenus; i += 1 ) {
        makeItem( pop, OptionsMenuInfo, i );
    }

    //-------- Windows Menu ----------//
    // WCLASS handles this one for us //

    pop = _clientWin->getMdiPopup();
    menu->insertPopup( pop );

    //------- Help Menu ---------//
    pop = _topMenus[ MMHelp ];
    menu->insertPopup( pop );
    for( i = 0; i < HMNumHelpMenus; i += 1 ) {
        makeItem( pop, HelpMenuInfo, i );
    }

    _clientWin->setMenu( menu );

}

void MenuManager::trackPopup( WWindow * win, MIMainMenu pop )
//-----------------------------------------------------------
{
    if( _clientWin ) {
        win->setPopup( _topMenus[ pop ] );
    }
}

MIMenuID::MIMenuID()
            : _main( 0 )
            , _sub( 0 )
//---------------------
{
}

bool MIMenuID::operator == ( const MIMenuID & o ) const
//-----------------------------------------------------
{
    return( ( _main == o._main ) && ( _sub == o._sub ) );
}