38e2cf2339
* source/debug/dbgbrwsr.prg
! Fixed out of range error ( BASE/1133 ) when scrolling out the source
code window and then executing a "run" command.
269 lines
8.2 KiB
Plaintext
269 lines
8.2 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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* The Debugger Browser
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*
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* Copyright 2004 Ryszard Glab <rglab@imid.med.pl>
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* www - http://www.harbour-project.org
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* Copyright 2007 Phil Krylov <phil a t newstar.rinet.ru>
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* www - http://xharbour.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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#pragma DEBUGINFO=OFF
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#define HB_CLS_NOTOBJECT /* do not inherit from HBObject calss */
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#include "hbclass.ch"
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#include "common.ch"
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/* HBDbBrowser
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*
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* A minimalistic TBrowse implementation just enough for use in
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* the debugger instead of the HBBrowse monster
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*/
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CREATE CLASS HBDbBrowser
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VAR Window
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VAR cargo
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VAR nTop
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VAR nLeft
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VAR nBottom
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VAR nRight
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VAR cColorSpec
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VAR autoLite INIT .T.
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VAR goTopBlock
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VAR goBottomBlock
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VAR skipBlock
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VAR stable INIT .F.
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VAR rowCount INIT 0
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VAR rowPos INIT 1
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VAR colCount INIT 0
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VAR colPos INIT 1
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VAR hitBottom INIT .F.
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VAR freeze INIT 0
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VAR aColumns INIT {}
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VAR aRowState INIT {}
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VAR aColorSpec INIT {}
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VAR nFirstVisible INIT 1
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VAR lConfigured INIT .F.
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METHOD New( nTop, nLeft, nBottom, nRight, oParentWindow )
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METHOD AddColumn( oCol ) INLINE AAdd( ::aColumns, oCol ), ::colCount++, Self
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METHOD Resize( nTop, nLeft, nBottom, nRight )
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ACCESS ColorSpec INLINE ::cColorSpec
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ASSIGN ColorSpec( cColors ) METHOD SetColorSpec( cColors )
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METHOD Configure()
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METHOD DeHiLite() INLINE Self
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METHOD HiLite() INLINE Self
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METHOD MoveCursor( nSkip )
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METHOD GoTo( nRow )
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METHOD GoTop() INLINE ::GoTo( 1 ), ::rowPos := 1, ::nFirstVisible := 1, ::RefreshAll()
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METHOD GoBottom()
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METHOD Down() INLINE ::MoveCursor( 1 )
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METHOD Up() INLINE ::MoveCursor( -1 )
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METHOD PageDown() INLINE ::MoveCursor( ::rowCount )
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METHOD PageUp() INLINE ::MoveCursor( -::rowCount )
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METHOD GetColumn( nColumn ) INLINE ::aColumns[ nColumn ]
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METHOD RefreshAll() INLINE AFill( ::aRowState, .F. ), Self
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METHOD RefreshCurrent() INLINE iif( ::rowCount > 0 .AND. ::rowPos <= Len( ::aRowState ), ::aRowState[ ::rowPos ] := .F., ), Self
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METHOD Invalidate() INLINE ::RefreshAll()
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METHOD Stabilize() INLINE ::ForceStable()
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METHOD ForceStable()
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ENDCLASS
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METHOD New( nTop, nLeft, nBottom, nRight, oParentWindow ) CLASS HBDbBrowser
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::Window := oParentWindow
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::nTop := nTop
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::nLeft := nLeft
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::nBottom := nBottom
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::nRight := nRight
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RETURN Self
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METHOD Configure()
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::rowCount := ::nBottom - ::nTop + 1
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ASize( ::aRowState, ::rowCount )
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::lConfigured := .T.
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RETURN Self
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METHOD SetColorSpec( cColors )
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IF ISCHARACTER( cColors )
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::cColorSpec := cColors
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::aColorSpec := hb_aTokens( ::cColorSpec, "," )
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ENDIF
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RETURN ::cColorSpec
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METHOD MoveCursor( nSkip )
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LOCAL nSkipped
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nSkipped := ::GoTo( ::rowPos + ::nFirstVisible - 1 + nSkip )
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IF !::hitBottom .OR. Abs( nSkipped ) > 0
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IF iif( nSkipped > 0, ::rowPos + nSkipped <= ::rowCount, ::rowPos + nSkipped >= 1 )
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::RefreshCurrent()
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::rowPos += nSkipped
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::RefreshCurrent()
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ELSE
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::nFirstVisible := Max( 1, nSkipped + ::nFirstVisible )
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::RefreshAll()
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ENDIF
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ENDIF
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RETURN Self
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METHOD ForceStable()
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LOCAL nRow, nCol, xData, oCol, nColX, nWid, aClr, nClr
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IF !::lConfigured
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::Configure()
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ENDIF
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FOR nRow := 1 TO ::rowCount
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IF Empty( ::aRowState[ nRow ] )
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::GoTo( ::nFirstVisible + nRow - 1 )
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IF ::hitBottom
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hb_dispOutAt( ::nTop + nRow - 1, ::nLeft, Space( ::nRight - ::nLeft + 1 ), ::aColorSpec[ 1 ] )
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ELSE
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nColX := ::nLeft
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FOR nCol := 1 TO Len( ::aColumns )
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IF nColX <= ::nRight
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oCol := ::aColumns[ nCol ]
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xData := Eval( oCol:block )
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nClr := iif( nRow == ::rowPos, 2, 1 )
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aClr := Eval( oCol:colorBlock, xData )
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IF ISARRAY( aClr )
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nClr := aClr[ nClr ]
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ELSE
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nClr := oCol:defColor[ nClr ]
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ENDIF
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IF oCol:width == NIL
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nWid := Len( xData )
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ELSE
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nWid := oCol:width
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ENDIF
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hb_dispOutAt( ::nTop + nRow - 1, nColX, PadR( xData, nWid ) + iif( nCol < Len( ::aColumns ), " ", "" ), ::aColorSpec[ nClr ] )
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nColX += nWid + 1
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ENDIF
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NEXT
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ENDIF
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::aRowState[ nRow ] := .T.
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ENDIF
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NEXT
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::GoTo( ::nFirstVisible + ::rowPos - 1 )
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SetPos( ::nTop + ::rowPos - 1, ::nLeft )
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RETURN Self
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METHOD GoTo( nRow )
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LOCAL nOldRow := ::nFirstVisible + ::rowPos - 1
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LOCAL nSkipped := 0
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Eval( ::goTopBlock )
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IF nRow == 1
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::hitBottom := .F.
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ELSE
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nSkipped := Eval( ::skipBlock, nRow - 1 )
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::hitBottom := ( nSkipped != nRow - 1 )
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ENDIF
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RETURN nSkipped - nOldRow + 1
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METHOD GoBottom()
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DO WHILE !::hitBottom
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::PageDown()
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ENDDO
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RETURN Self
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METHOD Resize( nTop, nLeft, nBottom, nRight )
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LOCAL lResize := .F.
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IF nTop != NIL .AND. nTop != ::nTop
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::nTop := nTop
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lResize := .T.
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ENDIF
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IF nLeft != NIL .AND. nLeft != ::nLeft
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::nLeft := nLeft
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lResize := .T.
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ENDIF
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IF nBottom != NIL .AND. nBottom != ::nBottom
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::nBottom := nBottom
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lResize := .T.
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ENDIF
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IF nRight != NIL .AND. nRight != ::nRight
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::nRight := nRight
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lResize := .T.
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ENDIF
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IF lResize
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::Configure():ForceStable()
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ENDIF
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RETURN self
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CREATE CLASS HBDbColumn
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EXPORTED:
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VAR block AS CODEBLOCK /* Code block to retrieve data for the column */
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VAR colorBlock AS CODEBLOCK INIT {|| NIL } /* column color block */
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VAR defColor AS ARRAY INIT { 1, 2 } /* Array of numeric indexes into the color table */
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VAR width AS USUAL /* Column display width */
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METHOD New( cHeading, bBlock ) /* NOTE: This method is a Harbour extension [vszakats] */
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ENDCLASS
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METHOD New( cHeading, bBlock ) CLASS HBDbColumn
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HB_SYMBOL_UNUSED( cHeading )
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::block := bBlock
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RETURN Self
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FUNCTION HBDbColumnNew( cHeading, bBlock )
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RETURN HBDbColumn():New( cHeading, bBlock )
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