207 lines
4.9 KiB
Plaintext
207 lines
4.9 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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* Message Line Class
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*
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* Copyright 2002 Larry Sevilla <lsevilla@nddc.edu.ph>
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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 "hbsetup.ch"
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#include "hbclass.ch"
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#ifdef HB_COMPAT_C53
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CLASS MssgLine
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DATA Flag
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DATA Row
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DATA Left
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DATA Right
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DATA Color
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DATA aMsg // for backwards compatibility
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/*
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// Graphics support - not yet implemented
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DATA Back1
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DATA Back2
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DATA Fore
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DATA FontCol
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DATA FontRow
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*/
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DATA ScreenSaved PROTECTED
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METHOD New( nRow, nLeft, nRight, cColor )
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METHOD SaveScreen()
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METHOD Show( cMsg )
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METHOD RestScreen()
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MESSAGE Erase() METHOD RestScreen()
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ENDCLASS
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METHOD New( nRow, nLeft, nRight, cColor ) CLASS MssgLine
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::Row := nRow
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::Left := nLeft
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::Right := nRight
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::Color := cColor
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::Flag := ( VALTYPE(nRow) + VALTYPE(nLeft) + VALTYPE(nRight) == "NNN" )
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IF !( VALTYPE(cColor) == "C" )
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::Color := GetClrPair( SetColor(), 1 )
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ENDIF
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::aMsg := { ::Flag, nRow, nLeft, nRight, ::Color ,,,,, }
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// GUI not yet supported
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return Self
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METHOD SaveScreen() CLASS MssgLine
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::ScreenSaved := saveScreen( ::row, ::left, ::row, ::right )
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return Self
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METHOD RestScreen() CLASS MssgLine
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restScreen( ::row, ::left, ::row, ::right, ::ScreenSaved )
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return Self
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/***
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*
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* ShowMsg() --> NIL
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*
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***/
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METHOD Show( cMsg ) CLASS MssgLine
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local nRow, nCol
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IF ::Right == NIL
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RETURN Self
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ENDIF
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nRow := row()
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nCol := col()
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@ ::row, ::left SAY PadC( cMsg, ::right - ::left + 1 ) COLOR ::Color
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setPos( nRow, nCol )
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return Self
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CLASS GetMssgLine FROM MssgLine
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METHOD Show( oGet )
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ENDCLASS
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/***
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*
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* ShowGetMsg() --> NIL
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*
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***/
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METHOD Show( oGet ) CLASS GetMssgLine
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local cMsg := IIF( VALTYPE( oGet:Control ) == "O", ;
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oGet:Control:Message, oGet:Message )
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IF !EMPTY( cMsg )
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::super:Show( cMsg )
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ENDIF
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return Self
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CLASS MenuMssgLine FROM MssgLine
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METHOD Show( oMenu, lMode )
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ENDCLASS
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/***
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*
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* ShowMsg( <aMsg>, <lMode> ) --> .T.
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*
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* Erase and Show Messages.
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* Erase Message then ShowMsg() if lMode is .T.
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* Only erases Menu Message if lMode is .F.
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* SaveScreen()/RestScreen() is used for the
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* Message area in both text or graphics mode.
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*
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***/
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METHOD Show( oMenu, lMode ) CLASS MenuMssgLine
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LOCAL nCurrent, cMsg := NIL
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LOCAL cSaveColor := SetColor()
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LOCAL mlOldState := MSetCursor( .F. )
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IF ( ValType( oMenu:lOldMsgFlag ) == "L" .AND. oMenu:lOldMsgFlag )
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::RestScreen()
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ENDIF
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IF lMode
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IF ( ::Flag .AND. ;
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( nCurrent := oMenu:oMenu:Current ) != 0 )
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IF !EMPTY( cMsg := oMenu:oMenu:GetItem( nCurrent ):Message )
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::super:show( cMsg )
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ENDIF
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ENDIF
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oMenu:cOldMessage := cMsg
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oMenu:lOldMsgFlag := ::Flag
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ENDIF
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MSetCursor( mlOldState )
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RETURN ( .T. )
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#endif
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