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harbour-core/harbour/utils/hbmake/checks.prg
2000-12-26 22:26:15 +00:00

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/*
* $Id$
*/
/*
* Harbour Project source code:
* checks.Prg checks gets for hbmake
*
* Copyright 2000 Luiz Rafael Culik <culik@sl.conex.net>
* 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 of the License, or
* (at your option) any later version, with one exception:
*
* The exception is that if you link the Harbour Runtime Library (HRL)
* and/or the Harbour Virtual Machine (HVM) 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 HRL
* and/or HVM code into it.
*
* 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 (or visit
* their web site at http://www.gnu.org/).
*
*/
#include "getexit.ch"
#include "inkey.ch"
#include "checks.ch"
#include "checkdef.ch"
#include "common.ch"
FUNCTION CheckGetNew(bVar, cVar, cStr,bBlock)
LOCAL oGet
LOCAL nRow := Row(), nCol := Col()
Default bblock to {||.t.}
// Display [ ] before the get
DevPos(nRow, nCol)
DevOut("[ ]")
// Create an empty get object and initialize its cargo
oGet := GetNew()
oGet := GetNew(nRow,ncol+4,{|| cStr },cvar)
oGet:cargo := Array(CHECK_NUM_IVARS)
// Get / Set block for real variable
oGet:checkGsb := bVar
// Check box gets have their own reader, of course
oGet:reader := {|o| CheckReader(o) }
oGet:PreBlock:=bblock
// Draw the check box
DrawCheck(oGet)
oGet:display()
RETURN oGet
// The reader for check boxes
Proc CheckReader( oGet )
// read the GET if the WHEN condition is satisfied
IF ( GetPreValidate(oGet) )
// activate the GET for reading
oGet:SetFocus()
DO WHILE ( oGet:exitState == GE_NOEXIT )
// check for initial typeout (no editable positions)
IF ( oGet:typeOut )
oGet:exitState := GE_ENTER
ENDIF
// apply keystrokes until exit
DO WHILE ( oGet:exitState == GE_NOEXIT )
CheckApplyKey(oGet, InKey(0))
ENDDO
// disallow exit if the VALID condition is not satisfied
IF ( !GetPostValidate(oGet) )
oGet:exitState := GE_NOEXIT
ENDIF
ENDDO
// de-activate the GET
oGet:KillFocus()
ENDIF
RETURN
PROC CheckApplyKey(oGet, nKey)
LOCAL cKey
LOCAL bKeyBlock
LOCAL nSaveRow, nSaveCol
// check for SET KEY first
IF ( (bKeyBlock := SetKey(nKey)) <> NIL )
GetDoSetKey(bKeyBlock, oGet)
RETURN // NOTE
ENDIF
DO CASE
CASE ( nKey == K_UP )
oGet:exitState := GE_UP
CASE ( nKey == K_SH_TAB )
oGet:exitState := GE_UP
CASE ( nKey == K_DOWN )
oGet:exitState := GE_DOWN
CASE ( nKey == K_TAB )
oGet:exitState := GE_DOWN
CASE ( nKey == K_ENTER )
oGet:exitState := GE_ENTER
CASE nKey == K_SPACE
// Toggle state of this check box.
Eval(oGet:checkGsb, !Eval(oGet:checkGsb))
oGet:changed := .T.
// And redraw the getlist
DrawCheck(oGet)
CASE ( nKey == K_ESC )
IF ( Set(_SET_ESCAPE) )
oGet:undo()
oGet:exitState := GE_ESCAPE
ENDIF
CASE (nKey == K_PGUP )
oGet:exitState := GE_WRITE
CASE (nKey == K_PGDN )
oGet:exitState := GE_WRITE
CASE ( nKey == K_CTRL_HOME )
oGet:exitState := GE_TOP
// both ^W and ^End terminate the READ (the default)
CASE (nKey == K_CTRL_W)
oGet:exitState := GE_WRITE
CASE (nKey == K_INS)
Set( _SET_INSERT, !Set(_SET_INSERT) )
ENDCASE
RETURN
// Redraw check box
PROC DrawCheck(oGet)
LOCAL lSelected := Eval(oGet:checkGsb)
LOCAL oGet1
LOCAL nSaveRow := Row()
LOCAL nSaveCol := Col()
LOCAL nGet
DevPos(oGet:row, oGet:col - 3)
IF lSelected
DevOut(CHECK_BOX)
ELSE
DevOut(" ")
ENDIF
DevPos(nSaveRow, nSaveCol)
RETURN