Yo he añadido un poco más a la clase Menu...
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#include "dialog.ch"
#include "inkey.ch"
//----------------------------------------------------------------------------//
CLASS Menu FROM Visual
DATA aItems
DATA nOption
METHOD New() CONSTRUCTOR // MnuNew
METHOD Display // MnuDisplay
METHOD Hide // MnuHide
METHOD Click // MnuClick
METHOD KeyPressed // MnuKey
METHOD SetOption // MnuSetOption
METHOD GoTop // MnuGoTop
METHOD GoBottom // MnuGoBottom
METHOD GoUp // MnuGoUp
METHOD GoDown // MnuGoDown
METHOD GoLeft // MnuGoLeft
METHOD GoRight // MnuGoRight
METHOD SetColor // MnuSetColor
METHOD nExec // nMnuExec
METHOD AddItem // MnuAddItem
METHOD SetFocus // MnuSetFocus
METHOD lIsOver // lMnuIsOver
METHOD cGetHotKey // cMnuGetHotKey
METHOD nHotAt // nMnuHotAt
ENDCLASS
//----------------------------------------------------------------------------//
METHOD New() CLASS Menu
::Parent:New()
::aItems = {}
::nOption = 0
::cClrNormal = "N/BG"
::cClrFocus = "W+/N"
return Self
//----------------------------------------------------------------------------//
METHOD Display() CLASS Menu
AEval( ::aItems, { | oItem | oItem:Show() } )
return nil
//----------------------------------------------------------------------------//
METHOD Hide() CLASS Menu
if ::nOption != 0
::aItems[ ::nOption ]:SetFocus( .f., ::cClrFocus )
endif
AEval( ::aItems, { | oItem | oItem:Hide() } )
::Parent:Hide()
::nOption = 0
return nil
//----------------------------------------------------------------------------//
METHOD Click( nRow, nCol ) CLASS Menu
local nAt
do while lMPressed()
nAt := AScan( ::aItems, { | oItem | oItem:lIsOver( nRow, nCol ) } )
if nAt != 0 .and. nAt != ::nOption
::SetOption( nAt )
endif
MUpdate()
nRow = nMRow()
nCol = nMCol()
enddo
return nil
//----------------------------------------------------------------------------//
METHOD Key( nKey ) CLASS Menu
local nHotAt
do case
case nKey == K_ESC
::aItems[ ::nOption ]:SetFocus( .f., ::cClrFocus )
::nOption = 0
::lEndExec = .t.
case nKey == K_ENTER
::lEndExec = .t.
case nKey == K_LEFT
::GoLeft()
case nKey == K_RIGHT
::GoRight()
case nKey == K_UP
::GoUp()
case nKey == K_DOWN
::GoDown()
case nKey == K_HOME
::GoTop()
case nKey == K_END
::GoBottom()
case ( nHotAt := ::nHotAt( Chr( nKey ) ) ) != ::nOption
if nHotAt != 0
::SetOption( nHotAt )
endif
endcase
return nil
//----------------------------------------------------------------------------//
METHOD SetOption( nNewOption ) CLASS Menu
if ::nOption != nNewOption
if ::nOption != 0
::aItems[ ::nOption ]:SetFocus( .f. )
endif
::nOption = nNewOption
if ::nOption != 0
::aItems[ ::nOption ]:SetFocus( .t., ::cClrFocus )
if ::oParent != nil
::oParent:MnuSelect( Self )
endif
endif
endif
return nil
//----------------------------------------------------------------------------//
METHOD GoTop() CLASS Menu
::SetOption( 1 )
return nil
//----------------------------------------------------------------------------//
METHOD GoBottom() CLASS Menu
::SetOption( Len( ::aItems ) )
return nil
//----------------------------------------------------------------------------//
METHOD GoUp() CLASS Menu
if ::nOption == 1
::SetOption( Len( ::aItems ) )
else
::SetOption( ::nOption - 1 )
endif
return nil
//----------------------------------------------------------------------------//
METHOD GoDown() CLASS Menu
if ::nOption == Len( ::aItems )
::SetOption( 1 )
else
::SetOption( ::nOption + 1 )
endif
return nil
//----------------------------------------------------------------------------//
METHOD GoLeft() CLASS Menu
if ::nOption == 1
::SetOption( Len( ::aItems ) )
else
::SetOption( ::nOption - 1 )
endif
return nil
//----------------------------------------------------------------------------//
METHOD GoRight() CLASS Menu
if ::nOption == Len( ::aItems )
::SetOption( 1 )
else
::SetOption( ::nOption + 1 )
endif
return nil
//----------------------------------------------------------------------------//
METHOD SetColor( cClrNormal, cClrFocus ) CLASS Menu
::cClrNormal = cClrNormal
::cClrFocus = cClrFocus
AEval( ::aItems,;
{ | oItem | ;
oItem:cClrNormal := ::cClrNormal, oItem:cClrFocus := ::cClrFocus } )
return nil
//----------------------------------------------------------------------------//
METHOD nExec() CLASS Menu
::Exec()
return ::nOption
//----------------------------------------------------------------------------//
METHOD AddItem( oItem ) CLASS Menu
AAdd( ::aItems, oItem )
oItem:oParent = Self
if ::oParent != nil
::oParent:MnuChanged( Self )
endif
return nil
//----------------------------------------------------------------------------//
METHOD SetFocus( lOnOff, cClrFocus ) CLASS Menu
::Parent:SetFocus( lOnOff, cClrFocus )
if lOnOff
if ::nOption == 0
::SetOption( 1 )
else
::aItems[ ::nOption ]:SetFocus( .t., ::cClrFocus )
endif
else
::aItems[ ::nOption ]:SetFocus( .f. )
endif
return nil
//----------------------------------------------------------------------------//
METHOD lIsOver( nRow, nCol ) CLASS Menu
return AScan( ::aItems, { | oItem | oItem:lIsOver( nRow, nCol ) } ) != 0
//----------------------------------------------------------------------------//
METHOD cGetHotKey() CLASS Menu
return ""
//----------------------------------------------------------------------------//
METHOD nHotAt( cHotKey ) CLASS Menu
cHotKey = Upper( cHotKey )
return If( Len( ::aItems ) != 0,;
AScan( ::aItems, { | oItem | Upper( oItem:cGetHotKey() ) == cHotKey } ),;
0 )
//----------------------------------------------------------------------------//
Se te pasó cambiar el método nExecy yo he añadido " CLASS Menu" a todos los métodos, y además a New() le he dicho que es el constructor... porque la idea, entiendo, es que funciones con el motor OOP de Harbour no?
Saludos
