harbour-core/harbour/source/rtl/checkbox.prg

/*
 * $Id$
 */

/*
 * Harbour Project source code:
 * CHECKBOX class
 *
 * Copyright 2000 Luiz Rafael Culik <culik@sl.conex.net>
 * www - http://www.harbour-project.org
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this software; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
 *
 * As a special exception, the Harbour Project gives permission for
 * additional uses of the text contained in its release of Harbour.
 *
 * The exception is that, if you link the Harbour libraries with other
 * files to produce an executable, this does not by itself cause the
 * resulting executable to be covered by the GNU General Public License.
 * Your use of that executable is in no way restricted on account of
 * linking the Harbour library code into it.
 *
 * This exception does not however invalidate any other reasons why
 * the executable file might be covered by the GNU General Public License.
 *
 * This exception applies only to the code released by the Harbour
 * Project under the name Harbour.  If you copy code from other
 * Harbour Project or Free Software Foundation releases into a copy of
 * Harbour, as the General Public License permits, the exception does
 * not apply to the code that you add in this way.  To avoid misleading
 * anyone as to the status of such modified files, you must delete
 * this exception notice from them.
 *
 * If you write modifications of your own for Harbour, it is your choice
 * whether to permit this exception to apply to your modifications.
 * If you do not wish that, delete this exception notice.
 *
 */

#include "common.ch"
#include "hbsetup.ch"
#include "hbclass.ch"
#ifdef HB_COMPAT_C53

CLASS HBCHECKBOX
Data Buffer  init .f.
Data Caption
Data CapRow
Data CapCol
Data Cargo
Data Col
Data colorspec
Data FBlock
Data HasFocus  init  .f.
Data Message   init ""
Data Row
Data SBlock
Data Style     init "[û ]"
Data lCursor
Data Typeout init   .f.
DATA ClassName init "CHECKBOX"
METHOD New(nRow,nCol,cCaption)
METHOD SetFocus()
MESSAGE Select()    METHOD _Select()
METHOD KillFocus()
METHOD DisPlay()

endclass

METHOD  New(nRow,nCol,cCaption)
Local cColor:=''
Local oCheck

::Buffer    := .f.
::Caption   := cCaption
::CapRow    := nRow
::CapCol    := nCol+3+1

::Col       := nCol
   if ( isdefcolor() )
      ::ColorSpec:="W/N,W+/N,W/N,W+/N"
   else
      cColor := SetColor()
     ::ColorSpec:= __guicolor(cColor, 5) + "," + ;
      __guicolor(cColor, 2) + "," + __guicolor(cColor, 1) + ;
     "," + __guicolor(cColor, 4)
   endif

::HasFocus  := .f.
::Message   := ""
::Row       := nRow

::Style     := "[û ]"

::Typeout   := .f.


return Self

METHOD  SetFocus() CLASS HBCHECKBOX

   if ( !::HasFocus .AND. ISBLOCK( ( ::lCursor := setcursor(0), ;
         ::HasFocus := .T., ::display(), ::FBlock ) ) )
      eval(::FBlock)
   endif
   RETURN Self

Method _Select(lState)    CLASS HBCHECKBOX


   local lStatus := ::Buffer
   if ( ISLOGICAL( lState ) )
      ::Buffer := lState
   else
      ::Buffer := !::Buffer
   endif
   if ( lStatus != ::Buffer .AND. ISBLOCK( ( ::display(), ;
         ::SBlock ) ) )
      eval(::SBlock)
   endif
   RETURN Self

Method KillFocus() CLASS HBCHECKBOX

   if ( ::HasFocus )
      ::HasFocus := .F.
      if ( ISBLOCK( ::FBlock ) )
         eval(::FBlock)
      endif
      qself():display()
      setcursor(::lCursor)
   endif
   RETURN Self


Method Display()   CLASS HBCHECKBOX


   local cColor := SetColor(), nCurRow:= Row(), nCurCol:= Col(), ;
      cOldStyle := ::Style, cCaption, nPos

   dispbegin()
   if ( ::HasFocus )
      set color to (__guicolor(::ColorSpec, 2))
   else
      set color to (__guicolor(::ColorSpec, 1))
   endif

      SetPos(::Row, ::Col + 1)
      if ( ::Buffer )
         ?? SubStr(cOldStyle, 2, 1)
      else
         ?? SubStr(cOldStyle, 3, 1)
      endif
      set color to (__guicolor(::ColorSpec, 3))
      SetPos(::Row, ::Col)
      ?? Left(cOldStyle, 1)
      SetPos(::Row, ::Col + 2)
      ?? right(cOldStyle, 1)

   if ( !Empty(cCaption := ::Caption) )
      if ( ( nPos := At("&", cCaption) ) == 0 )
      elseif ( nPos == Len(cCaption) )
         nPos := 0
      else
         cCaption := stuff(cCaption, nPos, 1, "")
      endif
      SetPos(::CapRow, ::CapCol)
      ?? cCaption
      if ( nPos != 0 )
         set color to (__guicolor(::ColorSpec, 4))
         SetPos(::CapRow, ::CapCol + nPos - 1)
         ?? SubStr(cCaption, nPos, 1)
      endif
   endif
   dispend()

   set color to (cColor)
   SetPos(nCurRow, nCurCol)
   RETURN Self



function __GUICOLOR( cPair, nPos )
   local ccolor := cPair, nPosition:=0, nCommaPos:=0
   ccolor:=hb_colorindex(cpair,npos-1)
return ccolor

function _CHECKBOX_( Arg1, Arg2, Arg3, Arg4, Arg5, Arg6, Arg7)
LOCAL oCheck

   oCheck := hbcheckbox():new(Row(), Col(), Arg2)
   if ( !( ISNIL( oCheck ) ) )
      oCheck:select(Arg1)
      oCheck:caption :=Arg2
      if arg4!=nil
      oCheck:colorspec :=Arg4
      endif
      oCheck:message:=Arg3
      if arg7 !=NIL
      oCheck:style:=Arg7
      endif
      oCheck:fblock:=Arg5
      oCheck:sblock:=Arg6

   endif
   return oCheck

function IsDefColor()
   local cColor:=SETCOLOR()
   Return ( ccolor== "W/N,N/W,N/N,N/N,N/W")
function Checkbox(nr,ncol,cCaption)
return HBCHECKBOX():new(nr, nCol, cCaption)

#endif