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DDGLIBW	;SFISC/MKO-WINDOW PRIMITIVES ;02:24 PM  13 Jul 1994
	;;21.0;VA FileMan;;Dec 28, 1994
	;Per VHA Directive 10-93-142, this routine should not be modified.
	;
	; Area is defined as $Y^$X^height^width
	; DDGLREF(wid)=$Y^$X^height^width
	; DDGLREF(wid,$Y+1,"TXT")=string
	; DDGLREF(wid,$Y+1,"ATT")=attributes (bold,underline,reverse,graphic)
	;
	; DDGLSCR array - keeps track of what windows are on the screen and
	;                the order in which they overlap
	; Form of DDGLSCR array:
	;   DDGLSCR           = # of elements
	;   DDGLSCR(n)        = wid
	;   DDGLSCR("B",wid,n)= ""
	;
CREATE(I,A,B,N)	;
	G CREATE1^DDGLIBW1
	;
OPEN(I,N)	;
	G OPEN1^DDGLIBW1
	;
FOCUS(I,N)	;
	G FOCUS1^DDGLIBW1
	;
CLOSE(I,NC)	;
	G CLOSE1^DDGLIBW1
	;
CLEAR(I,A)	;
	;Clear area A in window I
	G CLEAR1^DDGLIBW1
	;
EXIST(I)	;
	;Does window I exist?
	Q $D(@DDGLREF@(I))#2
	;
CLOSEALL(N)	;
	;Close all windows
	W:'$G(N) $P(DDGLCLR,DDGLDEL,2)
	K DDGLSCR
	Q
	;
DESTROY(I,NC)	;
	;Destroy window I
	D CLOSE(I,$G(NC))
	K @DDGLREF@(I)
	Q
	;
DESTALL	;Destroy all windows
	K @DDGLREF,DDGLSCR
	Q
	;
WRITE(I,S,Y,X,A,N)	;
	;Write str S in window I at $Y=R, $X=C, attr A
	; If N=1, update buffer, but don't write
	N A1,A0,A9
	Q:$G(S)=""
	S:$G(I)="" I=-1
	S A9=$$AREA(I)
	Q:X'<$P(A9,U,4)  Q:Y'<$P(A9,U,3)
	S S=$E(S,1,$P(A9,U,4)-X)
	;
	S $E(@DDGLREF@(I,Y+1,"TXT"),X+1,X+$L(S))=S
	I $G(A)="",$D(@DDGLREF@(I,Y+1,"ATT"))#2 S $E(@DDGLREF@(I,Y+1,"ATT"),X+1,X+$L(S))=$J("",$L(S))
	S:$G(A)]"" $E(@DDGLREF@(I,Y+1,"ATT"),X+1,X+$L(S))=$TR($J("",$L(S))," ",$$CODE(A,.A1,.A0))
	;
	I '$G(N) D
	. N DY,DX
	. S DY=Y+$P(A9,U),DX=X+$P(A9,U,2) X IOXY W $G(A1)_S_$G(A0)
	;
	I $G(@DDGLREF@(I,Y+1,"TXT"))?." ",$G(@DDGLREF@(I,Y+1,"ATT"))?." " K @DDGLREF@(I,Y+1,"TXT"),@DDGLREF@(I,Y+1,"ATT")
	Q
	;
REPALL(A)	;
	;Repaint absolute area A in all windows in DDGLSCR array
	N J
	I $G(A)="" D
	. W $P(DDGLCLR,DDGLDEL,2)
	. F J=1:1:$G(DDGLSCR) D REPAINT(DDGLSCR(J))
	E  D
	. D CLEAR(-1,A)
	. F J=1:1:$G(DDGLSCR) D REPAINT(DDGLSCR(J),$$RELAREA(DDGLSCR(J),A))
	Q
	;
REPAINT(I,A)	;
	;Repaint area A of window I
	N X,Y,H,W,R,C,T,X1,X2,A2,A1,A0,S,DY,DX,P
	I $D(A),A="" Q
	S:$G(I)="" I=-1
	S:'$D(A) A="0^0^"_IOSL_U_IOM
	;
	S A2=$$AREA(I)
	S A=$P(A,U)+$P(A2,U)_U_($P(A,U,2)+$P(A2,U,2))_U_$P(A,U,3,4)
	S A=$$INTSECT^DDGLIBW1(A,A2)
	S Y=$P(A,U)-$P(A2,U),X=$P(A,U,2)-$P(A2,U,2),H=$P(A,U,3),W=$P(A,U,4)
	;
	I $D(@DDGLREF@(I))<9,Y+$P(A2,U)=0,X+$P(A2,U,2)=0,H=IOSL,W=IOM W $P(DDGLCLR,DDGLDEL,2) Q
	S P=IOM-X-$P(A2,U,2)-1_""" """
	F R=Y+1:1:Y+H D
	. S S=""
	. S T=$E($G(@DDGLREF@(I,R,"TXT"))_$J("",X+W-$L($G(@DDGLREF@(I,R,"TXT")))),1,X+W)
	. S A=$E($G(@DDGLREF@(I,R,"ATT")),1,X+W)
	. S (X1,X2)=X+1 F  D  Q:$E(T,X2)=""
	.. S X1=X2,C=$E(A,X1)
	.. I C="" S X2=999 S S=S_$E(T,X1,X2) Q
	.. F X2=X1:1:$L(A)+1 Q:C'=$E(A,X2)
	.. D DECODE(C,.A1,.A0)
	.. S S=S_A1_$E(T,X1,X2-1)_A0
	. S DY=R-1+$P(A2,U),DX=X+$P(A2,U,2) X IOXY
	. W $S(S?@P:$P(DDGLCLR,DDGLDEL),1:S)
	Q
	;
BOX(I,A,C,N)	;
	;Draw a box in window I representing area A
	;If C=1 writes spaces within the box
	;If N=1 write to buffer but not screen
	N Y,X,H,W,L,R,S,A1
	S:$G(I)="" I=-1
	S:$G(A)="" A=$$AREA(I)
	S:$G(N)="" N=0
	S A1=$$ABSAREA(I,A)
	S Y=$P(A,U),X=$P(A,U,2),H=$P(A,U,3),W=$P(A,U,4)
	Q:'H!'W
	S S=$J("",W-2),L=$TR(S," ",$P(DDGLGRA,DDGLDEL,3))
	D WRITE(I,$P(DDGLGRA,DDGLDEL,5)_$S(W>1:L_$P(DDGLGRA,DDGLDEL,6),1:""),Y,X,"G",N)
	F R=Y+1:1:Y+H-2 D
	. D WRITE(I,$P(DDGLGRA,DDGLDEL,4),R,X,"G",N)
	. I W>1 D
	.. I $G(C) D WRITE(I,S,R,X+1,"",N)
	.. D WRITE(I,$P(DDGLGRA,DDGLDEL,4),R,X+W-1,"G",N)
	D:H>1 WRITE(I,$P(DDGLGRA,DDGLDEL,7)_$S(W>1:L_$P(DDGLGRA,DDGLDEL,8),1:""),Y+H-1,X,"G",N)
	Q
	;
ABSAREA(I,A)	;
	;Given relative area A in window I, return absolute area
	N X,Y,H,W,X1,Y1
	S Y=$P(A,U),X=$P(A,U,2),H=$P(A,U,3),W=$P(A,U,4)
	S A=$$AREA(I)
	S Y1=Y+$P(A,U),X1=X+$P(A,U,2)
	S:Y1+H>IOSL H=IOSL-Y1 S:X1+W>IOM W=IOM-X1
	Q Y1_U_X1_U_H_U_W
	;
RELAREA(I,A)	;
	;Given absolute area A in window I, return relative area
	N X,Y,H,W,X1,Y1
	S Y=$P(A,U),X=$P(A,U,2),H=$P(A,U,3),W=$P(A,U,4)
	S A=$$AREA(I)
	S Y1=Y-$P(A,U),X1=X-$P(A,U,2)
	Q Y1_U_X1_U_H_U_W
	;
AREA(I)	;Return the coord and area of window I
	Q $S($D(@DDGLREF@(I))#2:@DDGLREF@(I),1:"0^0^"_IOSL_U_IOM)
	;
CODE(A,A1,A0)	;
	;Return code char for selected attr
	N I,C,T
	S C=0,(A1,A0)=""
	S T=$TR(A,"burg","BURG")
	F I=1:1:$L(A) D
	. S T=$T(@$E(A,I))
	. I T]"" D
	.. S C=C+$P(T,";",3)
	.. S A1=A1_$P(@$P(T,";",4),DDGLDEL,$P(T,";",5))
	.. S A0=A0_$P(@$P(T,";",4),DDGLDEL,$P(T,";",6))
	Q $C(C+32)
	;
DECODE(C,A1,A0)	;
	;Given code char C, return codes to turn on/off attr
	N B,T
	S (A1,A0)="" Q:" "[$G(C)
	S C=$A(C)-32
	S B=1 F  D  Q:B>8
	. I C\B#2,$T(@B)]"" D
	.. S T=$T(@B+1)
	.. S A1=A1_$P(@$P(T,";",4),DDGLDEL,$P(T,";",5))
	.. S A0=A0_$P(@$P(T,";",4),DDGLDEL,$P(T,";",6))
	. S B=B*2
	Q
	;
1	;;
B	;;1;DDGLVID;1;2
2	;;
U	;;2;DDGLVID;4;5
4	;;
R	;;4;DDGLVID;6;7
8	;;
G	;;8;DDGLGRA;1;2