c1d0b17fbc
* source/rtl/tpopup.prg
* source/rtl/ttopbar.prg
* source/rtl/tmenuitm.prg
! MENUITEM class :row and :col vars changed to
:__row and :__col, instead of adding HB_EXTENSION
guards to them, because they are needed internally.
* source/rtl/browse.prg
* source/rtl/tbrowse.prg
* Two mouse-wheel handling extensions now rather
guarded with HB_C52_STRICT.
* source/rtl/gete.c
! Fixed GETENV()/GETE() to return an empty string when
called with more than one parameter, to be fully
C5.x compatible.
* source/vm/proc.c
! PROCFILE() HB_EXTENSION guard changed to HB_C52_STRICT.
Since PROCFILE() is an undocumented function in C5.x
we can legally extend it in Harbour.
* include/hbsetup.ch
* Turned off HB_EXTENSION for the default build.
Now HB_EXTENSION covers all the extensions which
in some ways violates namespace rules or extends
functionality of existing CA-Cl*pper functions
or classes in an "invisible" (or "dirty") way, like
adding new parameters or accepting new types of parameters.
In case we want to keep some extended functionality
in the default build, we'll need to create new
function names. For class extensions, I'm not yet
sure what is the proper way to go.
In case of ML*() functions, I think they should respect
SET EOL instead of accepting EOL settings as parameters.
491 lines
12 KiB
Plaintext
491 lines
12 KiB
Plaintext
/*
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* $Id$
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*/
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/*
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* Harbour Project source code:
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* TOPBAR menu class
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*
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* Copyright 2000 Jose Lalin <dezac@corevia.com>
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* www - http://www.harbour-project.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
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*
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* As a special exception, the Harbour Project gives permission for
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* additional uses of the text contained in its release of Harbour.
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*
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* The exception is that, if you link the Harbour libraries with other
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* files to produce an executable, this does not by itself cause the
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* resulting executable to be covered by the GNU General Public License.
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* Your use of that executable is in no way restricted on account of
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* linking the Harbour library code into it.
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*
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* This exception does not however invalidate any other reasons why
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* the executable file might be covered by the GNU General Public License.
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*
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* This exception applies only to the code released by the Harbour
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* Project under the name Harbour. If you copy code from other
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* Harbour Project or Free Software Foundation releases into a copy of
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* Harbour, as the General Public License permits, the exception does
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* not apply to the code that you add in this way. To avoid misleading
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* anyone as to the status of such modified files, you must delete
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* this exception notice from them.
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*
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* If you write modifications of your own for Harbour, it is your choice
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* whether to permit this exception to apply to your modifications.
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* If you do not wish that, delete this exception notice.
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*
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*/
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#include "hbclass.ch"
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#include "button.ch"
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#include "color.ch"
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#include "common.ch"
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#include "inkey.ch"
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/* NOTE: Harbour doesn't support CA-Cl*pper 5.3 GUI functionality, but
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it has all related variables and methods. */
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#ifdef HB_COMPAT_C53
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CREATE CLASS TOPBARMENU FUNCTION HBTopBarMenu
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EXPORT:
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METHOD addItem( oItem )
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METHOD delItem( nPos )
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METHOD display()
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METHOD getFirst()
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METHOD getItem( nPos )
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METHOD getLast()
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METHOD getNext()
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METHOD getPrev()
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METHOD getAccel( nKey )
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METHOD getShortCt( nKey ) /* NOTE: This method exists but it is not documented in the manuals nor the NG's [jlalin] */
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METHOD hitTest( nMRow, nMCol )
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METHOD insItem( nPos, oItem )
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METHOD select( nPos )
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METHOD setItem( nPos, oItem )
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METHOD colorSpec( cColorSpec ) SETGET
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METHOD current() SETGET
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METHOD itemCount() SETGET
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METHOD left( nLeft ) SETGET
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METHOD right( nRight ) SETGET
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METHOD row( nRow ) SETGET
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METHOD New( nRow, nLeft, nRight ) /* NOTE: This method is a Harbour extension [vszakats] */
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PROTECTED:
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VAR cColorSpec
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VAR nCurrent INIT 0
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VAR nItemCount INIT 0
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VAR nLeft
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VAR nRight
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VAR nRow
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VAR aItems INIT {}
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VAR nWidth INIT 0
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ENDCLASS
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METHOD addItem( oItem ) CLASS TOPBARMENU
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IF ISOBJECT( oItem ) .AND. oItem:ClassName() == "MENUITEM"
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::nItemCount++
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AAdd( ::aItems, oItem )
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::nWidth := Max( __CapMetrics( oItem ), ::nWidth )
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ENDIF
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RETURN Self
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METHOD delItem( nPos ) CLASS TOPBARMENU
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LOCAL nLen
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LOCAL aItems
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LOCAL nWidth
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IF nPos >= 1 .AND. nPos <= ::nItemCount
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nLen := Len( ::aItems[ nPos ]:caption )
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ADel( ::aItems, nPos )
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ASize( ::aItems, --::nItemCount )
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IF ::nWidth == nLen + 2
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aItems := ::aItems
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nLen := ::nItemCount
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nWidth := 0
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FOR nPos := 1 TO nLen
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nWidth := Max( __CapMetrics( aItems[ nPos ] ), nWidth )
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NEXT
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::nWidth := nWidth
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ENDIF
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ENDIF
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RETURN Self
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METHOD display() CLASS TOPBARMENU
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LOCAL nOldRow := Row()
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LOCAL nOldCol := Col()
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LOCAL lOldMCur := MSetCursor( .F. )
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LOCAL nRow := ::nRow
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LOCAL nLeft := ::nLeft
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LOCAL nRight := ::nRight
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LOCAL aItems := ::aItems
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LOCAL nItemCount := ::nItemCount
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LOCAL nCurrent := ::nCurrent
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LOCAL cColor1 := hb_ColorIndex( ::cColorSpec, 0 )
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LOCAL cColor2 := hb_ColorIndex( ::cColorSpec, 1 )
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LOCAL oPopUp
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LOCAL nItem
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LOCAL cCaption
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LOCAL nCaptionLen
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LOCAL nPos
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DispBegin()
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DispOutAt( nRow, nLeft, Space( nRight - nLeft + 1 ), cColor1 )
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FOR nItem := 1 TO nItemCount
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cCaption := " " + RTrim( aItems[ nItem ]:caption ) + " "
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nCaptionLen := Len( cCaption )
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IF nCaptionLen == 0
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LOOP
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ENDIF
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IF nLeft > nRight - nCaptionLen
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nLeft := nRight - nCaptionLen
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ENDIF
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aItems[ nItem ]:__row := nRow
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aItems[ nItem ]:__col := nLeft
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IF aItems[ nItem ]:isPopUp()
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oPopUp := aItems[ nItem ]:data
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oPopUp:top := nRow + 1
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oPopUp:left := nLeft
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oPopUp:bottom := NIL
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oPopUp:right := NIL
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ENDIF
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IF ( nPos := At( "&", cCaption ) ) > 0
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IF nPos == Len( cCaption )
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nPos := 0
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ELSE
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cCaption := Stuff( cCaption, nPos, 1, "" )
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nCaptionLen--
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ENDIF
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ENDIF
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DispOutAt( nRow, nLeft, cCaption,;
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iif( nItem == nCurrent, cColor2,;
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iif( aItems[ nItem ]:enabled, cColor1, hb_ColorIndex( ::cColorSpec, 4 ) ) ) )
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IF aItems[ nItem ]:enabled .AND. nPos > 0
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DispOutAt( nRow, nLeft + nPos - 1, SubStr( cCaption, nPos, 1 ),;
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iif( nItem == nCurrent, hb_ColorIndex( ::cColorSpec, 3 ), hb_ColorIndex( ::cColorSpec, 2 ) ) )
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ENDIF
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nLeft += nCaptionLen
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NEXT
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IF nCurrent != 0 .AND. ;
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::aItems[ nCurrent ]:isPopUp() .AND. ;
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::aItems[ nCurrent ]:data:isOpen
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::aItems[ nCurrent ]:data:display()
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ENDIF
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DispEnd()
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SetPos( nOldRow, nOldCol )
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MSetCursor( lOldMCur )
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RETURN Self
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METHOD getFirst() CLASS TOPBARMENU
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LOCAL n
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FOR n := 1 TO ::nItemCount
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IF ::aItems[ n ]:enabled
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RETURN n
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ENDIF
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NEXT
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RETURN 0
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METHOD getItem( nPos ) CLASS TOPBARMENU
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RETURN iif( nPos >= 1 .AND. nPos <= ::nItemCount, ::aItems[ nPos ], NIL )
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METHOD getLast() CLASS TOPBARMENU
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LOCAL n
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FOR n := ::nItemCount TO 1 STEP -1
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IF ::aItems[ n ]:enabled
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RETURN n
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ENDIF
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NEXT
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RETURN 0
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METHOD getNext() CLASS TOPBARMENU
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LOCAL n
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IF ::nCurrent < ::nItemCount
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FOR n := ::nCurrent + 1 TO ::nItemCount
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IF ::aItems[ n ]:enabled
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RETURN n
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ENDIF
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NEXT
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ENDIF
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RETURN 0
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METHOD getPrev() CLASS TOPBARMENU
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LOCAL n
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IF ::nCurrent > 1
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FOR n := ::nCurrent - 1 TO 1 STEP -1
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IF ::aItems[ n ]:enabled
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RETURN n
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ENDIF
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NEXT
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ENDIF
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RETURN 0
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/* NOTE: This method corrects two bugs in Cl*pper:
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1) when two menuitems have the same key and the
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first item is disabled
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2) when a menuitem is disabled it will ignore the key [jlalin] */
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METHOD getAccel( nKey ) CLASS TOPBARMENU
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LOCAL nIndex := AScan( { K_ALT_A, K_ALT_B, K_ALT_C, K_ALT_D, K_ALT_E, K_ALT_F,;
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K_ALT_G, K_ALT_H, K_ALT_I, K_ALT_J, K_ALT_K, K_ALT_L,;
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K_ALT_M, K_ALT_N, K_ALT_O, K_ALT_P, K_ALT_Q, K_ALT_R,;
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K_ALT_S, K_ALT_T, K_ALT_U, K_ALT_V, K_ALT_W, K_ALT_X,;
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K_ALT_Y, K_ALT_Z, K_ALT_1, K_ALT_2, K_ALT_3, K_ALT_4,;
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K_ALT_5, K_ALT_6, K_ALT_7, K_ALT_8, K_ALT_9, K_ALT_0 }, nKey )
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LOCAL cKey
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LOCAL nAt
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LOCAL n
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IF nIndex > 0
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cKey := SubStr( "ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890", nIndex, 1 )
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FOR n := 1 TO ::nItemCount
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IF ( nAt := At( "&", ::aItems[ n ]:caption ) ) > 0 .AND. ;
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Upper( SubStr( ::aItems[ n ]:caption, nAt + 1, 1 ) ) == cKey
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#ifndef HB_C52_STRICT
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IF ::aItems[ n ]:enabled
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#endif
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RETURN n
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#ifndef HB_C52_STRICT
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ENDIF
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#endif
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ENDIF
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NEXT
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ENDIF
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RETURN 0
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METHOD getShortCt( nKey ) CLASS TOPBARMENU
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LOCAL n
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FOR n := 1 TO ::nItemCount
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IF ::aItems[ n ]:shortcut == nKey
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RETURN n
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ENDIF
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NEXT
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RETURN 0
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/* NOTE: In my tests I can't get other values than HTNOWHERE or a value
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greather than 0 (selected item), althought the NG's says that
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it returns other HT* values [jlalin]
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This method correct a bug in Cl*pper:
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when click on a disabled menuitem it will ignore it [jlalin] */
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METHOD hitTest( nMRow, nMCol ) CLASS TOPBARMENU
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LOCAL aItems
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LOCAL nColumn
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LOCAL n
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IF nMRow == ::nRow
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aItems := ::aItems
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FOR n := 1 TO ::nItemCount
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nColumn := aItems[ n ]:__col
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IF nMCol >= nColumn .AND. nMCol <= nColumn + Len( aItems[ n ]:caption )
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#ifndef HB_C52_STRICT
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IF aItems[ n ]:enabled
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#endif
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RETURN n
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#ifndef HB_C52_STRICT
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ENDIF
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#endif
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ENDIF
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NEXT
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ENDIF
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RETURN HTNOWHERE
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METHOD insItem( nPos, oItem ) CLASS TOPBARMENU
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IF nPos >= 1 .AND. nPos <= ::nItemCount .AND. ;
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ISOBJECT( oItem ) .AND. oItem:ClassName() == "MENUITEM"
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ASize( ::aItems, ++::nItemCount )
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AIns( ::aItems, nPos )
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::aItems[ nPos ] := oItem
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::nWidth := Max( __CapMetrics( oItem ), ::nWidth )
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ENDIF
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RETURN Self
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METHOD select( nPos ) CLASS TOPBARMENU
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IF ( nPos >= 1 .AND. nPos <= ::nItemCount .AND. ;
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::nCurrent != nPos .AND. ;
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::aItems[ nPos ]:enabled ) .OR. nPos == 0
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// IF ::isOpen() .AND. ;
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// ::nCurrent > 0 .AND. ;
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// ::aItems[ ::nCurrent ]:isPopUp()
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//
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// ::aItems[ ::nCurrent ]:data:close()
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// ENDIF
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::nCurrent := nPos
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ENDIF
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RETURN Self
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METHOD setItem( nPos, oItem ) CLASS TOPBARMENU
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IF nPos >= 1 .AND. nPos <= ::nItemCount .AND. ;
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ISOBJECT( oItem ) .AND. oItem:ClassName() == "MENUITEM"
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::aItems[ nPos ] := oItem
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::nWidth := Max( __CapMetrics( oItem ), ::nWidth )
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ENDIF
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RETURN Self
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METHOD colorSpec( cColorSpec ) CLASS TOPBARMENU
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IF cColorSpec != NIL
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::cColorSpec := _eInstVar( Self, "COLORSPEC", cColorSpec, "C", 1001,;
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{|| !Empty( hb_ColorIndex( cColorSpec, 5 ) ) .AND. Empty( hb_ColorIndex( cColorSpec, 6 ) ) } )
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ENDIF
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RETURN ::cColorSpec
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METHOD current() CLASS TOPBARMENU
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RETURN ::nCurrent
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METHOD itemCount() CLASS TOPBARMENU
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RETURN ::nItemCount
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METHOD left( nLeft ) CLASS TOPBARMENU
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IF nLeft != NIL
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::nLeft := _eInstVar( Self, "LEFT", nLeft, "N", 1001 )
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ENDIF
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RETURN ::nLeft
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METHOD right( nRight ) CLASS TOPBARMENU
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IF nRight != NIL
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::nRight := _eInstVar( Self, "RIGHT", nRight, "N", 1001 )
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ENDIF
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RETURN ::nRight
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METHOD row( nRow ) CLASS TOPBARMENU
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IF nRow != NIL
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/* NOTE: CA-Clipper 5.3 has a bug, where it would show "TOP" in case of an error. */
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::nRow := _eInstVar( Self, "ROW", nRow, "N", 1001 )
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ENDIF
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RETURN ::nRow
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/* -------------------------------------------- */
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METHOD New( nRow, nLeft, nRight ) CLASS TOPBARMENU
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LOCAL cColor
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IF !ISNUMBER( nRow ) .OR. ;
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!ISNUMBER( nLeft ) .OR. ;
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!ISNUMBER( nRight )
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RETURN NIL
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ENDIF
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::nLeft := nLeft
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::nRight := nRight
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::nRow := nRow
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IF IsDefColor()
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::cColorSpec := "N/W,W/N,W+/W,W+/N,N+/W,W/N"
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ELSE
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cColor := SetColor()
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::cColorSpec := hb_ColorIndex( cColor, CLR_UNSELECTED ) + "," +;
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hb_ColorIndex( cColor, CLR_ENHANCED ) + "," +;
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hb_ColorIndex( cColor, CLR_BACKGROUND ) + "," +;
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hb_ColorIndex( cColor, CLR_ENHANCED ) + "," +;
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hb_ColorIndex( cColor, CLR_STANDARD ) + "," +;
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hb_ColorIndex( cColor, CLR_BORDER )
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ENDIF
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RETURN Self
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/* -------------------------------------------- */
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FUNCTION TopBar( nRow, nLeft, nRight )
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RETURN HBTopBarMenu():New( nRow, nLeft, nRight )
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#endif
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