341 lines
9.2 KiB
C
341 lines
9.2 KiB
C
/*
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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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* SETKEY() and related functions
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*
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* Copyright 1999 A White <awhite@user.rose.com>
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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 of the License, or
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* (at your option) any later version, with one exception:
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*
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* The exception is that if you link the Harbour Runtime Library (HRL)
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* and/or the Harbour Virtual Machine (HVM) with other files to produce
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* an executable, this does not by itself cause the resulting executable
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* to be covered by the GNU General Public License. Your use of that
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* executable is in no way restricted on account of linking the HRL
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* and/or HVM code into it.
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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 program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA (or visit
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* their web site at http://www.gnu.org/).
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*
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*/
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/*
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Either way you have to clean up the memory on exit. The best way to
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do this is to add a hb_setkeyInit() and hb_setkeyExit() function
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and call them from CONSOLE.C Init/Exit functions.
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*/
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#include "hbvm.h"
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#include "hbapi.h"
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#include "hbapiitm.h"
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#include "hbapigt.h"
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typedef struct HB_SETKEY_
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{
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SHORT iKeyCode;
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PHB_ITEM pAction;
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PHB_ITEM pIsActive;
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struct HB_SETKEY_ * next;
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} HB_SETKEY, * PHB_SETKEY;
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static PHB_SETKEY s_sk_list;
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void hb_setkeyInit( void )
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{
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s_sk_list = NULL;
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}
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void hb_setkeyExit( void )
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{
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while( s_sk_list )
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{
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PHB_SETKEY sk_list_tmp;
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hb_itemRelease( s_sk_list->pAction );
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if( s_sk_list->pIsActive )
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{
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hb_itemRelease( s_sk_list->pIsActive );
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}
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sk_list_tmp = s_sk_list->next;
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hb_xfree( ( void * ) s_sk_list );
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s_sk_list = sk_list_tmp;
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}
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s_sk_list = NULL;
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}
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static PHB_SETKEY sk_findkey( SHORT iKeyCode, PHB_SETKEY * sk_list_end )
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{
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PHB_SETKEY sk_list_tmp;
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*sk_list_end = NULL;
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for( sk_list_tmp = s_sk_list;
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sk_list_tmp && sk_list_tmp->iKeyCode != iKeyCode;
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sk_list_tmp = sk_list_tmp->next )
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*sk_list_end = sk_list_tmp;
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return sk_list_tmp;
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}
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static void sk_add( BOOL bReturn, SHORT iKeyCode, PHB_ITEM pAction, PHB_ITEM pIsActive )
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{
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if( iKeyCode )
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{
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PHB_SETKEY sk_list_tmp, sk_list_end;
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sk_list_tmp = sk_findkey( iKeyCode, &sk_list_end );
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if( sk_list_tmp == NULL )
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{
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if( pAction )
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{
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sk_list_tmp = ( PHB_SETKEY ) hb_xgrab( sizeof( HB_SETKEY ) );
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sk_list_tmp->next = NULL;
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sk_list_tmp->iKeyCode = iKeyCode;
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sk_list_tmp->pAction = hb_itemNew( pAction );
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sk_list_tmp->pIsActive = pIsActive ? hb_itemNew( pIsActive ) : NULL;
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if( sk_list_end == NULL )
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s_sk_list = sk_list_tmp;
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else
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sk_list_end->next = sk_list_tmp;
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}
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}
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else
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{
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/* Return the previous value */
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if( bReturn )
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hb_itemReturn( sk_list_tmp->pAction );
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/* Free the previous values */
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hb_itemRelease( sk_list_tmp->pAction );
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if( sk_list_tmp->pIsActive )
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{
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hb_itemRelease( sk_list_tmp->pIsActive );
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}
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/* Set the new values or free the entry */
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if( pAction )
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{
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sk_list_tmp->pAction = hb_itemNew( pAction );
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sk_list_tmp->pIsActive = pIsActive ? hb_itemNew( pIsActive ) : NULL;
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}
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else
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{
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/* if this is true, then the key found is the first key in the list */
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if( sk_list_end == NULL )
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{
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sk_list_tmp = s_sk_list->next;
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hb_xfree( s_sk_list );
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s_sk_list = sk_list_tmp;
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}
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else
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{
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sk_list_end->next = sk_list_tmp->next;
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hb_xfree( sk_list_tmp );
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}
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}
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}
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}
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}
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HB_FUNC( SETKEY )
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{
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PHB_ITEM pKeyCode = hb_param( 1, HB_IT_NUMERIC );
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if( pKeyCode )
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{
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/* Get a SETKEY value */
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if( hb_pcount() == 1 )
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{
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PHB_SETKEY sk_list_tmp, sk_list_end;
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/* sk_list_end is not used in this context */
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sk_list_tmp = sk_findkey( hb_itemGetNI( pKeyCode ), &sk_list_end );
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if( sk_list_tmp )
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{
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#if defined( HB_EXTENSION )
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PHB_ITEM pIsActiveResults = sk_list_tmp->pIsActive ? hb_vmEvalBlockV( sk_list_tmp->pIsActive, 1, pKeyCode ) : NULL;
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if( pIsActiveResults == NULL || ! HB_IS_LOGICAL( pIsActiveResults ) || hb_itemGetL( pIsActiveResults ) )
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#endif
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hb_itemReturn( sk_list_tmp->pAction );
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}
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}
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else
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{
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/* Set a SETKEY value */
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sk_add( TRUE, hb_itemGetNI( pKeyCode ),
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hb_param( 2, HB_IT_BLOCK ),
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#if defined( HB_EXTENSION )
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hb_param( 3, HB_IT_BLOCK ) );
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#else
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NULL );
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#endif
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}
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}
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}
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#if defined( HB_EXTENSION )
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/* Sets the same block for an array of keycodes */
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HB_FUNC( HB_SETKEYARRAY )
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{
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PHB_ITEM pKeyCodeArray = hb_param( 1, HB_IT_ARRAY );
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PHB_ITEM pAction = hb_param( 2, HB_IT_BLOCK );
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if( pKeyCodeArray && pAction )
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{
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PHB_ITEM pIsActive = hb_param( 3, HB_IT_BLOCK );
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ULONG nLen = hb_arrayLen( pKeyCodeArray );
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ULONG nPos;
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for( nPos = 1; nPos <= nLen; nPos++ )
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sk_add( FALSE, hb_arrayGetNI( pKeyCodeArray, nPos ), pAction, pIsActive );
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}
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}
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HB_FUNC( HB_SETKEYGET )
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{
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PHB_ITEM pKeyCode = hb_param( 1, HB_IT_NUMERIC );
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if( pKeyCode )
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{
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PHB_SETKEY sk_list_tmp, sk_list_end;
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/* sk_list_end is not used in this context */
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sk_list_tmp = sk_findkey( hb_itemGetNI( pKeyCode ), &sk_list_end );
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if( sk_list_tmp )
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{
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PHB_ITEM pIsActive = hb_param( 2, HB_IT_ANY );
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hb_itemReturn( sk_list_tmp->pAction );
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if( pIsActive )
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hb_itemCopy( pIsActive, sk_list_tmp->pIsActive );
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}
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}
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}
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HB_FUNC( HB_SETKEYSAVE )
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{
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PHB_ITEM pKeys, pParam;
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PHB_SETKEY sk_list_tmp;
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ULONG itemcount, nitem;
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/* build an multi-dimensional array from existing hot-keys, and return it */
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/* count the number of items in the list */
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for( itemcount = 0, sk_list_tmp = s_sk_list;
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sk_list_tmp;
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itemcount++, sk_list_tmp = sk_list_tmp->next )
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;
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pKeys = hb_itemArrayNew( itemcount );
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for( nitem = 1, sk_list_tmp = s_sk_list;
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nitem <= itemcount;
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nitem++, sk_list_tmp = sk_list_tmp->next )
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{
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PHB_ITEM pKeyElements, pTmp;
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pKeyElements = hb_itemArrayNew( 3 );
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pTmp = hb_itemPutNI( NULL, sk_list_tmp->iKeyCode );
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hb_itemArrayPut( pKeyElements, 1, pTmp );
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hb_itemRelease( pTmp );
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pTmp = hb_itemNew( sk_list_tmp->pAction );
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hb_itemArrayPut( pKeyElements, 2, pTmp );
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hb_itemRelease( pTmp );
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if( sk_list_tmp->pIsActive )
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{
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pTmp = hb_itemNew( sk_list_tmp->pIsActive );
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hb_itemArrayPut( pKeyElements, 3, pTmp );
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hb_itemRelease( pTmp );
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}
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hb_itemArrayPut( pKeys, nitem, pKeyElements );
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hb_itemRelease( pKeyElements );
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}
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hb_itemRelease( hb_itemReturn( pKeys ) );
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pParam = hb_param( 1, HB_IT_ANY );
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if( pParam )
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{
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hb_setkeyExit(); /* destroy the internal list */
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if( HB_IS_ARRAY( pParam ) )
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{
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itemcount = hb_arrayLen( pParam );
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for( nitem = 1; nitem <= itemcount; nitem++ )
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{
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PHB_ITEM itmKeyElements = hb_arrayGetItemPtr( pParam, nitem );
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sk_add( FALSE, ( SHORT ) hb_arrayGetNI( itmKeyElements, 1 ),
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hb_arrayGetItemPtr( itmKeyElements, 2 ),
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hb_arrayGetItemPtr( itmKeyElements, 3 ) );
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}
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}
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}
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}
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HB_FUNC( HB_SETKEYCHECK )
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{
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PHB_ITEM pKeyCode = hb_param( 1, HB_IT_NUMERIC );
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BOOL bIsKeySet = FALSE;
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if( pKeyCode )
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{
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PHB_SETKEY sk_list_tmp, sk_list_end;
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/* sk_list_end is not used in this context */
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sk_list_tmp = sk_findkey( hb_itemGetNI( pKeyCode ), &sk_list_end );
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if( sk_list_tmp )
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{
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PHB_ITEM pIsActiveResults = sk_list_tmp->pIsActive ? hb_vmEvalBlockV( sk_list_tmp->pIsActive, 1, pKeyCode ) : NULL;
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if( pIsActiveResults == NULL || ! HB_IS_LOGICAL( pIsActiveResults ) || hb_itemGetL( pIsActiveResults ) )
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{
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bIsKeySet = TRUE;
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switch( hb_pcount() )
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{
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case 1: hb_vmEvalBlockV( sk_list_tmp->pAction, 1, pKeyCode ); break;
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case 2: hb_vmEvalBlockV( sk_list_tmp->pAction, 2, hb_param( 2, HB_IT_ANY ), pKeyCode ); break;
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case 3: hb_vmEvalBlockV( sk_list_tmp->pAction, 3, hb_param( 2, HB_IT_ANY ), hb_param( 3, HB_IT_ANY ), pKeyCode ); break;
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default: hb_vmEvalBlockV( sk_list_tmp->pAction, 4, hb_param( 2, HB_IT_ANY ), hb_param( 3, HB_IT_ANY ), hb_param( 4, HB_IT_ANY ), pKeyCode ); break;
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}
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}
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}
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}
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hb_retl( bIsKeySet );
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}
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#endif
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