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harbour-core/harbour/source/rtl/setkey.prg
1999-08-02 12:59:44 +00:00

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/*
* Copyright(C) 1999 by Antonio Linares.
*
* 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 of the License, 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 program; if not, write to:
*
* The Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*
* You can contact me at: alinares@fivetech.com
*/
static aKeys := {}
static aActions := {}
function SetKey( nKey, bAction )
local nAt := AScan( aKeys, nKey )
local bOldAction
if PCount() == 2
if nAt == 0
AAdd( aKeys, nKey )
AAdd( aActions, bAction )
else
aKeys[ nAt ] = nKey
bOldAction = aActions[ nAt ]
aActions[ nAt ] = bAction
return bOldAction
endif
else
if nAt != 0
return aActions[ nAt ]
endif
endif
return nil