(if _drcShowObj then
        (axlShowObject _drcHilites)
    );end-if
);end-if
);end-procedure

(defun _drcUpdateDisp ()
(let (_tmpDB)
(foreach _tmpDB _drcHilites
    (if (nequal nil  _tmpDB->?) then
        (axlDehighlightObject _tmpDB)
    );end-if
);end-foreach
(foreach _tmpDB _drcMarker
    (if (nequal nil  _tmpDB->?) then
        (axlDeleteObject _tmpDB)
    );end-if
) ; foreach marker
(setq _drcHilites nil)
(setq _drcMarker nil)
(if (lfsNumberDRCs > 0) then
    (if (nequal nil  _drcDBID->?) then
        (_drcShow _drcDBID)
    else
        dcs=(axlDBGetDesign)->drcs
        (lfsDRCFilterList _drcCurrentLayer _drcCurrentType)
        (setq _drcLastLayer nil)
    );end-if
);end-if
(sprintf lfsDRCTitle "%d%s DRCs%s : %d Approved" lfsNumberDRCs typPart lyrPart approved_drcs_tot)
(axlFormTitle _drcForm lfsDRCTitle)
);end-let

);end-defun

(defun _drcCallBack ( foorm)    ; determine which button has been pushed and act accordingly
     (cond
        ((equal (get foorm 'curField) "drc_select_layer")
            (setq _drcCurrentLayer (get foorm 'curValue))
            (lfsDRCFilterList _drcCurrentLayer _drcCurrentType)
            (setq _drcLastLayer nil)
            _drcBuildDisplayList()
            ; force position list to 1
            (setq _drcCurrentNum 1)
            (setq _drcCurrentDRC (car lfsDisplayList))
            (axlFormListSelect foorm "drc_list" _drcCurrentDRC)
            (axlFormSetField foorm "drc_this" _drcCurrentDRC)
            (setq _drcDBID (nthelem _drcCurrentNum lfsDRCWorkingList))
            (_drcUpdateDisp )
        )
        ((equal (get foorm 'curField) "drc_select_type")
            (setq _drcCurrentType (get foorm 'curValue))
            (lfsDRCFilterList _drcCurrentLayer _drcCurrentType)
            (setq _drcLastLayer nil)
            _drcBuildDisplayList()
            ; force position list to 1
            (setq _drcCurrentNum 1)
            (setq _drcCurrentDRC (car lfsDisplayList))
            (axlFormListSelect foorm "drc_list" _drcCurrentDRC)
            (axlFormSetField foorm "drc_this" _drcCurrentDRC)
            (setq _drcDBID (nthelem _drcCurrentNum lfsDRCWorkingList))
            (_drcUpdateDisp )
        )
        ((equal (get foorm 'curField) "drc_list")
            ; positioned by clicking in list
            (setq _drcCurrentNum (add1 (get foorm 'curValueInt)))
            (setq _drcCurrentDRC (nthelem _drcCurrentNum lfsDisplayList))
            (axlFormListSelect foorm "drc_list" _drcCurrentDRC)
            (axlFormSetField foorm "drc_this" _drcCurrentDRC)
            (setq _drcDBID (nthelem _drcCurrentNum lfsDRCWorkingList))
            (_drcUpdateDisp )
        )
        ((equal (get foorm 'curField) "drc_prev")
            (axlFormSetFieldEditable foorm "drc_next" 1)    ; unlock button
            (setq _drcCurrentNum (sub1 _drcCurrentNum))
            (if _drcCurrentNum == 0 then
                (axlFormSetFieldEditable foorm "drc_prev" 0)    ; lock button
                (setq _drcCurrentNum (add1 _drcCurrentNum))        ; add back
            else
                (setq _drcCurrentDRC (nthelem _drcCurrentNum lfsDisplayList))
                (axlFormListSelect foorm "drc_list" _drcCurrentDRC)
                (axlFormSetField foorm "drc_this" _drcCurrentDRC)
                (setq _drcDBID (nthelem _drcCurrentNum lfsDRCWorkingList))
                (_drcUpdateDisp )
            );end-if
        )
        ((equal (get foorm 'curField) "drc_next")
            (axlFormSetFieldEditable foorm "drc_prev" 1)    ; unlock button
            (setq _drcCurrentNum (add1 _drcCurrentNum))
            (if _drcCurrentNum > lfsNumberDRCs then
                (axlFormSetFieldEditable foorm "drc_next" 0)    ; lock button
                (setq _drcCurrentNum (sub1 _drcCurrentNum))        ; add back
            else
                (setq _drcCurrentDRC (nthelem _drcCurrentNum lfsDisplayList))
                (axlFormListSelect foorm "drc_list" _drcCurrentDRC)
                (axlFormSetField foorm "drc_this" _drcCurrentDRC)
                (setq _drcDBID (nthelem _drcCurrentNum lfsDRCWorkingList))
                (_drcUpdateDisp )
            );end-if
        )
        ((equal (get foorm 'curField) "drc_showobj")
            (setq _drcShowObj (get foorm 'curValue))
        )
        ((equal (get foorm 'curField) "drc_zoom")
            (setq _drcZoom (get foorm 'curValue))
            (setq _drcZoomDo t)
            (setq _drcCurrentNum (add1 (get foorm 'curValueInt)))
            (setq _drcCurrentDRC (nthelem _drcCurrentNum lfsDisplayList))
            (axlFormListSelect foorm "drc_list" _drcCurrentDRC)
            (axlFormSetField foorm "drc_this" _drcCurrentDRC)
            (setq _drcDBID (nthelem _drcCurrentNum lfsDRCWorkingList))
            (_drcUpdateDisp )
        )
        ((equal (get foorm 'curField) "drc_zoomsize")
            (setq _drcZoomSize (get foorm 'curValue))
            (if _drcZoom then
                (setq _drcCurrentNum (add1 (get foorm 'curValueInt)))
                (setq _drcCurrentDRC (nthelem _drcCurrentNum lfsDisplayList))
                (axlFormListSelect foorm "drc_list" _drcCurrentDRC)
                (axlFormSetField foorm "drc_this" _drcCurrentDRC)
                (setq _drcDBID (nthelem _drcCurrentNum lfsDRCWorkingList))
                (_drcUpdateDisp )
            );end-if
        )
        ((equal (get foorm 'curField) "drc_show")
            (setq _drcCurrentNum (add1 (get foorm 'curValueInt)))
            (setq _drcCurrentDRC (nthelem _drcCurrentNum lfsDisplayList))
            (axlFormListSelect foorm "drc_list" _drcCurrentDRC)
            (axlFormSetField foorm "drc_this" _drcCurrentDRC)
            (setq _drcDBID (nthelem _drcCurrentNum lfsDRCWorkingList))
            (_drcUpdateDisp )
        )
        ((equal (get foorm 'curField) "lapprove")
            _drcApprove( _drcDBID)
            _drcBuildDisplayList()
            ; figure out new position on list force it for now
            (setq _drcCurrentNum 1)
            (setq _drcCurrentDRC (car lfsDisplayList))
            (axlFormListSelect foorm "drc_list" _drcCurrentDRC)
            (axlFormSetField foorm "drc_this" _drcCurrentDRC)
            (setq _drcDBID (nthelem _drcCurrentNum lfsDRCWorkingList))
            (_drcUpdateDisp )
        )
        ((equal (get foorm 'curField) "lhelp")
            (_drcHelp)
        )
        ((equal (get foorm 'curField) "done")
            (_drcEnd)
        )
     );end-cond

     axlFlushDisplay()        ; now, refresh the display so all this stuff REALLY happens
);end-defun

(defun _drcBuildDisplayList ()
; creates the list that gets displayed in the listbox on the form
(setq lfsDisplayList nil)
(axlFormListDeleteAll _drcForm "drc_list")
(setq ctr 1)
; build display list from working list
(foreach drc lfsDRCWorkingList
    (sprintf tmpStr "%d %s on %s %g:%g"
        ctr
        drc->name
        (cadr (parseString drc->layer "/"))
        (car drc->xy)
        (cadr drc->xy)
    );end-sprintf
    (setq lfsDisplayList (cons tmpStr lfsDisplayList))
    (setq ctr (add1 ctr))
);end-foreach
(setq lfsDisplayList (reverse lfsDisplayList))
; now refresh drc_list in form with display list
(foreach drc_entry lfsDisplayList
    (axlFormSetField _drcForm "drc_list" drc_entry)
);end-foreach
(axlFormSetField _drcForm "drc_list" nil)    ; this forces refresh to become visible
;    (setq _drcCurrentDRC (car lfsDisplayList))
;    (setq _drcCurrentNum 1)
;    (axlFormSetField _drcForm "drc_this" _drcCurrentDRC)
);end-defun

(defun _drcApprove ( dbid)            ; a nonapproved DRC has just been approved

sprintf(drc_key, "%s%.2f%s%.2f%s%s%s%s%s%s%s%s%s%s",
                                         "x= " xCoord(dbid->xy)
                                         " y= " yCoord(dbid->xy)
                                         " name= " dbid->name
                                         " type= " dbid->type
                                         " layer= " dbid->layer
                                         " expected= " dbid->expected
                                         " actual= " dbid->actual
)

; remove from nonapproved table and list
templist = remd( dbid nonapproved_drcs_list)    ; need to do this trick cuz
nonapproved_drcs_list = templist                ; remd does not work on first element
remove( drc_key nonapproved_drcs_table)
nonapproved_drcs_tot = length( nonapproved_drcs_table)

; add to approved table and list
approved_drcs_list = cons( dbid approved_drcs_list)
approved_drcs_table[drc_key] = dbid
approval_table[drc_key] = dbid
approved_drcs_tot = length( approved_drcs_table)

; place the approval symbol
l_symboldata = list( "APPROVED_DRC" "FORMAT")        ; new-style xhair
appsym_db = axlDBCreateSymbol( l_symboldata dbid->xy)
axlDBAddProp( appsym_db list("APPROVED_DRC" drc_key))
approval_list = cons( appsym_db approval_list)

; remove current drc from lfsDRCWorkingList
templist = remd( dbid lfsDRCWorkingList)        ; need to do this trick cuz
lfsDRCWorkingList = templist                    ; remd does not work on first element
(setq lfsNumberDRCs (length lfsDRCWorkingList))
if( lfsNumberDRCs == 0 then
    (axlFormSetFieldEditable _drcForm "lapprove" 0)    ; lock button
);end-if

);end-defun

(defun drc_main ()

boardname = axlCurrentDesign()
boardname_str = ""
boardname_str = strcat( boardname ".brd")

vis_list = axlVisibleGet()       ;saves color settings
templist = nil                    ; used to make sure remd works

(setq lfsShowLayer "Board Geometry/lfs_utilities")
(setq lfsApprovalLayer "BOARD GEOMETRY/APPROVED_DRCS")
(if (axlIsLayer lfsApprovalLayer) then
    null( nil)
else
    axlLayerCreateNonConductor( lfsApprovalLayer)
    printf("%s\n","created subclass to hold approval markers")
);end-if
(if (axlIsLayer lfsShowLayer) then
    null( nil)
else
    (axlLayerCreateNonConductor lfsShowLayer)
);end-if

; create the user-defined property for attachment to individual approval symbols
drcapproval_prop  = axlDBCreatePropDictEntry( "APPROVED_DRC", "STRING", list( "SYMBOLS"))

; Build the list of all DRCs
drcs=(axlDBGetDesign)->drcs
etch_layer_list= axlGetParam("paramLayerGroup:ETCH")->groupMembers

BuildApprovalList()

; open the form
; (setq _drcDir "/tmp/") -- original code doesnt work on Winbloze boxes
(setq _drcDir getWorkingDir() )
(_drcFormBuild)
(axlFormCreate '_drcForm _drcFormFile '("east" "outer") '_drcCallBack t)
_lyrList=cons("ALL" etch_layer_list)
; build the available layers popup

drcTypes=(list "ALL non-approved DRCs")
; build list of drctypes & layers
(foreach tmpDRC drcs
    (if (!(member tmpDRC->name drcTypes)) then
        drcTypes=(cons  tmpDRC->name drcTypes)
    );end-if
    (setq _chkLayer (cadr (parseString tmpDRC->layer "/")))
    (if (!(member _chkLayer _lyrList)) then
        (setq _lyrList (append1 _lyrList _chkLayer))
    );end-if
);end-foreach
drcTypes=(cons "Approved" drcTypes)    ; added v 1.12
drcTypes=(reverse drcTypes)

(axlFormBuildPopup _drcForm "drc_select_layer" _lyrList)
(axlFormBuildPopup _drcForm "drc_select_type" drcTypes)

; set the default layer name into the form
(setq _drcCurrentLayer "ALL")
(setq _drcCurrentType  "ALL non-approved DRCs")
(setq _drcZoom     t) ; in rev B changed default to t
(setq _drcZoomDo   t)
(setq _drcHilites nil)
(setq _drcMarker nil)
(setq _drcLastLayer nil)
(setq _drcShowObj t)
(setq _drcZoomSize 5)    ; in rev B changed default to 2000 from 300

(axlFormSetField _drcForm "drc_select_layer" _drcCurrentLayer)
(axlFormSetField _drcForm "drc_select_type"  _drcCurrentType)
(axlFormSetField _drcForm "drc_zoom" _drcZoom)
(axlFormSetField _drcForm "drc_showobj" _drcShowObj)
(axlFormSetField _drcForm "drc_zoomsize" _drcZoomSize)

; Build the DRC List
(lfsDRCFilterList _drcCurrentLayer _drcCurrentType)
(setq _drcLastLayer nil)
_drcBuildDisplayList()
; position list at one
(setq _drcCurrentNum 1)
(setq _drcCurrentDRC (car lfsDisplayList))
(axlFormSetField _drcForm "drc_this" _drcCurrentDRC)
(setq _drcDBID (nthelem _drcCurrentNum lfsDRCWorkingList))
(_drcUpdateDisp )

; and display the form
axlFormDisplay( _drcForm)

) ; end drc_main

(axlCmdRegister "drc walk" 'drc_main)
(axlCmdRegister "layers" 'lfsLayers)