// The following routine is cut & pasted verbatim from dbgwvar.c
// (which we really don't want to drag in here)
var_node *VarGetDisplayPiece( var_info *i, int row, int piece, int *pdepth, int *pinherit )
{
var_node *row_v;
var_node *v;
if( piece >= VAR_PIECE_LAST ) return( NULL );
if( VarFirstNode( i ) == NULL ) return( NULL );
if( row >= VarRowTotal( i ) ) return( NULL );
row_v = VarFindRowNode( i, row );
if( !row_v->value_valid ) {
VarSetValue( row_v, LIT_ENG( Quest_Marks ) );
row_v->value_valid = false;
}
if( !row_v->gadget_valid ) {
VarSetGadget( row_v, VARGADGET_NONE );
row_v->gadget_valid = false;
}
v = row_v;
if( piece == VAR_PIECE_NAME ||
( piece == VAR_PIECE_GADGET && row_v->gadget_valid ) ||
( piece == VAR_PIECE_VALUE && row_v->value_valid ) ) {
VarError = false;
} else if( _IsOff( SW_TASK_RUNNING ) ) {
if( row == i->exprsp_cacherow && i->exprsp_cache != NULL ) {
VarError = false;
v = i->exprsp_cache;
} else if( row == i->exprsp_cacherow && i->exprsp_cache_is_error ) {
VarError = true;
v = NULL;
} else {
VarErrState();
v = VarFindRow( i, row );
VarOldErrState();
i->exprsp_cacherow = row;
i->exprsp_cache = v;
i->exprsp_cache_is_error = VarError;
}
if( v == NULL ) {
if( !VarError ) return( NULL );
v = row_v;
}
VarNodeInvalid( v );
VarErrState();
ExprValue( ExprSP );
VarSetGadget( v, VarGetGadget( v ) );
VarSetOnTop( v, VarGetOnTop( v ) );
VarSetValue( v, VarGetValue( i, v ) );
VarOldErrState();
VarDoneRow( i );
}
VarGetDepths( i, v, pdepth, pinherit );
return( v );
}
static void VarSetWidth( a_window *wnd )
/*
Always leave room for a vertical scroll bar. It's most annoying
having the window repaint whenever it appears/disappears.
*/
{
var_window *var = WndVar( wnd );
var->last_width = WndWidth( wnd );
if( VarRowTotal( &var->i ) <= WndRows( wnd ) ) {
var->last_width -= WndVScrollWidth( wnd );
}
var->last_width -= WndAvgCharX( wnd ) / 2;
}
static int VarNumRows( a_window *wnd )
{
return( VarRowTotal( WndVarInfo( wnd ) ) );
}
