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blink.prg
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1991-08-15
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85 lines
/*
* File......: BLINK.PRG
* Author....: Terry Hackett
* CIS ID....: 76662,2035
* Date......: $Date: 15 Aug 1991 23:02:56 $
* Revision..: $Revision: 1.2 $
* Log file..: $Logfile: E:/nanfor/src/blink.prv $
*
* This is an original work by Terry Hackett and is placed in the
* public domain.
*
* Modification history:
* ---------------------
*
* $Log: E:/nanfor/src/blink.prv $
*
* Rev 1.2 15 Aug 1991 23:02:56 GLENN
* Forest Belt proofread/edited/cleaned up doc
*
* Rev 1.1 14 Jun 1991 19:51:06 GLENN
* Minor edit to file header
*
* Rev 1.0 01 Apr 1991 01:00:46 GLENN
* Nanforum Toolkit
*
*/
/* $DOC$
* $FUNCNAME$
* FT_BLINK()
* $CATEGORY$
* Menus/Prompts
* $ONELINER$
* Display a blinking message on the screen
* $SYNTAX$
* FT_BLINK( <cMsg>, [ <nRow> ], [ <nCol> ] ) -> NIL
* $ARGUMENTS$
* <cMsg> is the string to blink.
*
* <nRow> is an optional screen row for @...SAY, default current.
*
* <nCol> is an optional screen col for @...say, default current.
* $RETURNS$
* NIL
* $DESCRIPTION$
* A quick way to blink a msg on screen in the CURRENT colors.
* Restores colors on return.
* $EXAMPLES$
* FT_BLINK( "WAIT", 5, 10 ) // Blinks "WAIT" in current colors @ 5,10
*
* @5,10 SAY "WAIT - Printing Report"
* FT_BLINK( "..." ) // Blink "..." after wait message...
* $END$
*/
#ifdef FT_TEST
FUNCTION MAIN()
FT_BLINK( "WAIT", 5, 10 )
return ( nil )
#endif
FUNCTION FT_BLINK( cMsg, nRow, nCol )
* Declare color restore var.
LOCAL cSavColor
* Return if no msg.
IF (cMsg == NIL) ; RETURN NIL; ENDIF
* Set default row and col to current.
nRow := IF( nRow == NIL, ROW(), nRow )
nCol := IF( nCol == NIL, COL(), nCol )
cSavColor := SETCOLOR() // Save colors to restore on exit.
* IF blink colors not already set, add blink to current foreground color.
SETCOLOR( IF( ("*" $ LEFT(cSavColor,4)), cSavColor, "*" + cSavColor ) )
@ nRow, nCol SAY cMsg // Say the dreaded blinking msg.
SETCOLOR( cSavColor ) // It's a wrap, restore colors & exit.
RETURN NIL