Files
harbour-core/harbour/source/rtl/scroll.c
Przemyslaw Czerpak 4d9930caa6 2008-01-09 15:03 UTC+0100 Przemyslaw Czerpak (druzus/at/priv.onet.pl)
* harbour/source/vm/estack.c
    * added missing static to s_initSymbol declaration

  * harbour/include/hbgtinfo.ch
  * harbour/source/rtl/scroll.c
    * formatting

  * harbour/common.mak
    * added empty line necessary for some make systems (f.e. wmake)

  * harbour/bin/hb-func.sh
    * changed system libs order to avoid problems on some platforms

  * harbour/bin/pack_src.sh
    * collect information about repository files using 'svn status -v'
      command instead of scanning .svn/entries files to avoid problems
      with different formats used by SVN

  * harbour/include/hbchksum.h
  * harbour/include/hbset.h
    ! added missing extern in few function prototypes

  * harbour/include/hbclass.ch
    * use HB_CLS_PARAM_LIST macro instead of ... for strict C52 mode

  * harbour/source/common/hbfsapi.c
    + added missing const to one declaration

  * harbour/source/common/hbstr.c
    * minor cleanup in hb_stricmp()

  * harbour/source/rtl/inkey.c
    ! casting to avoid negative values during char to int translation

  * harbour/source/rtl/mouse53.c
    * added one internal definition

  * harbour/source/rtl/philes.c
    * removed unnecessary #include(s)
    * added missing const to one declaration

  * harbour/source/rtl/valtype.c
  * harbour/source/vm/hashfunc.c
    * cleanup RT error call to eliminate hb_paramError() function

  * harbour/source/pp/pplib.c
  * harbour/source/vm/runner.c
  * harbour/source/vm/debug.c
  * harbour/source/vm/arrayshb.c
  * harbour/source/vm/classes.c
  * harbour/source/vm/hvm.c
  * harbour/source/rtl/hbgtcore.c
  * harbour/source/rtl/gtfunc.c
  * harbour/source/rtl/hbinet.c
  * harbour/source/rtl/hbregex.c
  * harbour/source/rtl/idle.c
  * harbour/source/rtl/errorapi.c
  * harbour/source/rtl/hbtoken.c
  * harbour/source/rtl/direct.c
  * harbour/source/rdd/dbcmd.c
  * harbour/source/rdd/dbcmd53.c
  * harbour/source/rdd/fieldhb.c
  * harbour/source/rdd/hbsix/sxcompr.c
  * harbour/source/rdd/hbsix/sxcrypt.c
  * harbour/source/compiler/hbcmplib.c
  * harbour/contrib/hbrddads/adsfunc.c
  * harbour/contrib/hbrddads/adsmgmnt.c
    - removed unnecessary calls to hb_ret()
    % replaced hb_itemRelease( hb_itemReturn( pItem ) ) with
      hb_itemReturnRelease( pItem )
    % replaced hb_itemPut*( hb_arrayGetItemPtr( pArray, ... ), ... ) with
      hb_arraySetNI( pArray, ... )

  * harbour/source/macro/macro.y
  * harbour/source/macro/macro.yyc
  * harbour/contrib/xhb/cstructc.c
  * harbour/contrib/hbw32/w32_ole.c
  * harbour/contrib/hbgtwvg/wvtcore.c
    * cleaned typos with double ;;

  * harbour/source/vm/extend.c
  * harbour/source/rtl/math.c
    * cleaned HB_EXPORT usage

  * harbour/source/pp/ppcore.c
    ! fixed Harbour extension which allows to use match marker
      at the beginning of rule definition

  * harbour/source/main/harbour.c
    ! fixed hex conversion in FM log module - fix done by Phil Krylov
      in xHarbour

  * harbour/source/rdd/nulsys/nulsys.c
    + added dummy version of DBEVAL() and DBFILTER() - these functions
      are used in RTL

  * harbour/contrib/hbct/bitnum.c
    + added INTNEG(), INTPOS()

  + harbour/contrib/hbct/ctrand.prg
    + added RANDOM(), RAND() - borrowd from xHarbour by Pavel Tsarenko

  + harbour/contrib/hbct/setrc.c
    + added SETRC()

  * harbour/contrib/hbct/getinput.prg
    % minor optimization

  * harbour/contrib/hbct/Makefile
  * harbour/contrib/hbct/common.mak
    * updated for new files

  * harbour/contrib/hbnf/tempfile.prg
    * use HB_FTempCreate() - modification borrowed from xHarbour
      TOFIX this function uses hb_isbyref() which does not exist
      in Harbour

  * harbour/config/w32/msvc.cf
    + added -nologo flag for cl.exe (Phil Krylov's modification borrowed
      from xHarbour

  * harbour/config/w32/mingw32.cf
    - removed repeated definitions

  * harbour/config/w32/install.cf
    ! added alternative install rule for command.com with max line size limit
2008-01-09 14:04:12 +00:00

111 lines
3.4 KiB
C

/*
* $Id$
*/
/*
* Harbour Project source code:
* SCROLL() function
*
* Copyright 1999 David G. Holm <dholm@jsd-llc.com>
* 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 "hbapi.h"
#include "hbapigt.h"
/* Scrolls a screen region */
HB_FUNC( SCROLL )
{
int iMaxRow = hb_gtMaxRow();
int iMaxCol = hb_gtMaxCol();
int iTop;
int iLeft;
int iBottom;
int iRight;
/* Enforce limits of (0,0) to (MAXROW(),MAXCOL()) */
iTop = hb_parni( 1 ); /* Defaults to zero on bad type */
if( iTop < 0 )
iTop = 0;
else if( iTop > iMaxRow )
iTop = iMaxRow;
iLeft = hb_parni( 2 ); /* Defaults to zero on bad type */
if( iLeft < 0 )
iLeft = 0;
else if( iLeft > iMaxCol )
iLeft = iMaxCol;
if( ISNUM( 3 ) )
{
iBottom = hb_parni( 3 );
if( iBottom < 0 )
iBottom = 0;
else if( iBottom > iMaxRow )
iBottom = iMaxRow;
}
else
iBottom = iMaxRow;
if( ISNUM( 4 ) )
{
iRight = hb_parni( 4 );
if( iRight < 0 )
iRight = 0;
else if( iRight > iMaxCol )
iRight = iMaxCol;
}
else
iRight = iMaxCol;
hb_gtScroll( ( USHORT ) iTop,
( USHORT ) iLeft,
( USHORT ) iBottom,
( USHORT ) iRight,
hb_parni( 5 ), /* Defaults to zero on bad type */
hb_parni( 6 ) ); /* Defaults to zero on bad type */
}