c81c4ddc8c
* harbour/contrib/libnf/numlock.c
* harbour/contrib/libnf/caplock.c
* harbour/contrib/libct/keyset.c
! fixed typo
97 lines
2.4 KiB
C
97 lines
2.4 KiB
C
/*
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* $Id$
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*/
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/*
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* File......: CAPLOCK.C
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* Author....: Ted Means
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* CIS ID....: 73067,3332
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*
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* This is an original work by Ted Means and is placed in the
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* public domain.
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*
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* Modification history:
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* ---------------------
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*
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* Rev 1.5 01 May 1995 03:05:00 TED
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* Modified typecasting to tame compiler warning.
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*
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* Rev 1.4 15 Jul 1993 00:12:22 GLENN
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* Changed status_byte to make the function work in protected mode.
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*
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* Rev 1.3 15 Aug 1991 23:08:30 GLENN
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* Forest Belt proofread/edited/cleaned up doc
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*
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* Rev 1.2 14 Jun 1991 19:53:38 GLENN
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* Minor edit to file header
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*
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* Rev 1.1 27 May 1991 14:41:56 GLENN
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* Added a parameter to turn CapLock on or off.
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*
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*
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*
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*/
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/* $DOC$
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* $FUNCNAME$
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* FT_CAPLOCK()
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* $CATEGORY$
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* Keyboard/Mouse
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* $ONELINER$
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* Determine and optionally change the status of CapLock key
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* $SYNTAX$
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* FT_CAPLOCK([ <lNewSetting> ]) -> lCurrentSetting
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* $ARGUMENTS$
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* <lNewSetting> is optional and if supplied is the new setting
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* for the CapLock key. Specify .T. to turn CapLock on, or .F. to
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* turn it off.
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* $RETURNS$
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* .T. if CapLock is set, .F. if it isn't set. The value returned
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* represents the setting in effect prior to any changes that might
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* by made by <lNewSetting>.
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* $DESCRIPTION$
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* This function is useful if you need to know or set the status of the
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* CapLock key for some reason.
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* $EXAMPLES$
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* IF FT_CAPLOCK()
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* Qout( "CapLock is active" )
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* ENDIF
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* $SEEALSO$
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* FT_ALT() FT_CTRL() FT_NUMLOCK() FT_PRTSCR() FT_SHIFT()
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* $END$
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*/
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#include "hbapigt.h"
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#include "hbapiitm.h"
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HB_FUNC( FT_CAPLOCK )
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{
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int iState = 0, iNewState;
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HB_GT_INFO gtInfo;
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gtInfo.pNewVal = gtInfo.pResult = NULL;
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hb_gtInfo( GTI_KBDSHIFTS, >Info );
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if( gtInfo.pResult )
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{
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iState = hb_itemGetNI( gtInfo.pResult );
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gtInfo.pNewVal = gtInfo.pResult;
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gtInfo.pResult = NULL;
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}
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if( ISLOG( 1 ) )
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{
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iNewState = hb_parl( 1 ) ? ( iState | GTI_KBD_CAPSLOCK ) :
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( iState & ~GTI_KBD_CAPSLOCK );
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gtInfo.pNewVal = hb_itemPutNI( gtInfo.pNewVal, iNewState );
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hb_gtInfo( GTI_KBDSHIFTS, >Info );
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}
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if( gtInfo.pNewVal )
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hb_itemRelease( gtInfo.pNewVal );
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if( gtInfo.pResult )
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hb_itemRelease( gtInfo.pResult );
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hb_retl( ( iState & GTI_KBD_CAPSLOCK ) != 0 );
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}
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