CDRepetitionsImpl.mesa (part of ChipNDale)
Copyright © 1983, 1986 by Xerox Corporation. All rights reserved.
by Christian Jacobi, October 27, 1983 3:36 pm
last edited Christian Jacobi, February 12, 1986 9:11:20 pm PST
DIRECTORY
CD,
CDBasics,
CDCallSpecific,
CDDirectory,
CDIO,
CDIOExtras,
CDOrient,
CDProperties,
CDRepetitions,
CDInterestRects,
Rope,
TokenIO;
CDRepetitionsImpl:
CEDAR
PROGRAM
IMPORTS CD, CDRepetitions, CDBasics, CDCallSpecific, CDDirectory, CDIO, CDIOExtras, CDOrient, CDProperties, TokenIO, CDInterestRects, Rope
EXPORTS CDRepetitions
SHARES CDDirectory =
BEGIN
OldSetInterest:
PROC [ob:
CD.Object, r:
CD.Rect] =
BEGIN
cptr: RepPtr = NARROW[ob.specificRef];
cptr.ir ← r;
END;
RepPtr: TYPE = CDRepetitions.RepPtr;
RepRec: TYPE = CDRepetitions.RepRec;
pForRepetitions: REF CD.ObjectClass = CD.RegisterObjectClass[$Repetitions];
ComputeBoundsR:
PROC [ob:
CD.Object]
RETURNS [
CD.Rect] =
BEGIN
rp: RepPtr = NARROW[ob.specificRef];
sz: CD.Position = CDOrient.OrientedSize[rp.ob.size, rp.orientation];
toffset: CD.Position = [(rp.count-1)*rp.offset.x, (rp.count-1)*rp.offset.y];
r1: CD.Rect = CDBasics.RectAt[rp.offsetOfFirst, sz];
r2: CD.Rect = CDBasics.RectAt[CDBasics.AddPoints[rp.offsetOfFirst, toffset], sz];
RETURN CDBasics.Surround[r1, r2];
END;
InternalCreateRepetition:
PROC [ob:
CD.Object, count:
NAT, offset:
CD.Position, orientation:
CD.Orientation]
RETURNS [
CD.Object] =
BEGIN
repOb: CD.Object = NEW[CD.ObjectRep];
rp: RepPtr = NEW[RepRec];
sz: CD.Position = CDOrient.OrientedSize[ob.size, orientation];
repOb.class ← pForRepetitions;
count ← MAX[1, MIN[count, 512]];
repOb.size.x ← sz.x+(count-1)*ABS[offset.x];
repOb.size.y ← sz.y+(count-1)*ABS[offset.y];
repOb.layer ← ob.layer;
rp.ob ← ob;
rp.offsetOfFirst ← [0, 0];
IF offset.x<0 THEN rp.offsetOfFirst.x← -(count-1)*offset.x;
IF offset.y<0 THEN rp.offsetOfFirst.y← -(count-1)*offset.y;
rp.orientation ← orientation;
rp.offset ← offset;
rp.count ← count;
repOb.specificRef ← rp;
BEGIN
iR:
CD.Rect ← CDOrient.DeMapRect[
itemInWorld: iR,
cellSize: ob.size,
cellInstOrient: orientation
];
iR.x2 ← iR.x2+(count-1)*ABS[offset.x];
iR.y2 ← iR.y2+(count-1)*ABS[offset.y];
rp.ir ← iR
END;
RETURN [repOb];
END;
CreateRepetition:
PUBLIC
PROC [design:
CD.Design, ob:
CD.Object, count:
NAT, offset:
CD.Position, orientation:
CD.Orientation𡤀]
RETURNS [
CD.Object] =
BEGIN
repOb: CD.Object = InternalCreateRepetition[ob, count, offset, orientation];
[] ← CDDirectory.Include[design, repOb, Rope.Cat["=rep-", CDDirectory.Name[ob]]];
RETURN [repOb];
END;
DrawMeForRepetitions:
PROC [inst:
CD.Instance, pos:
CD.Position, orient:
CD.Orientation,
pr: CD.DrawRef] =
BEGIN
rptr: RepPtr ← NARROW[inst.ob.specificRef];
rel, sz: CD.Position;
o: CD.Orientation ← CDOrient.ComposeOrient[rptr.orientation, orient];
dummyInstance: CD.Instance ← NEW[CD.InstanceRep];
xi: REF INT;
dummyInstance.ob ← rptr.ob;
rel ← rptr.offsetOfFirst;
sz ← CDOrient.OrientedSize[rptr.ob.size, rptr.orientation];
--hang two properties on the application; both pointing to the same int containing the
--repetition number;
--the first property has the name $CDxIndex
--the second property name is the value of the property $CDxIndexProperty
WITH CDProperties.GetPropFromInstance[inst, $CDxIndex]
SELECT
FROM
intP: REF INT => xi ← intP;
ENDCASE => {
xi ← NEW[INT];
CDProperties.PutPropOnInstance[inst, $CDxIndex, xi];
WITH CDProperties.GetPropFromInstance[inst, $CDxIndexProperty]
SELECT
FROM
ixP:
ATOM => {
CDProperties.PutPropOnInstance[inst, ixP, xi];
};
ENDCASE => NULL
};
--do drawing
FOR i:
INT
IN [0..rptr.count)
DO
r:
CD.Rect ← CDOrient.MapRect[
itemInCell: CDBasics.RectAt[rel, sz],
cellSize: inst.ob.size,
cellInstOrient: orient,
cellInstPos: pos
];
IF pr.stopFlag^ THEN EXIT;
xi^ ← i;
pr.drawChild[dummyInstance, CDBasics.BaseOfRect[r], o, pr];
rel ← CDBasics.AddPoints[rel, rptr.offset];
ENDLOOP;
END;
QuickDrawMeForRepetitions:
PROC [inst:
CD.Instance, pos:
CD.Position, orient:
CD.Orientation,
pr: CD.DrawRef] =
BEGIN
rptr: RepPtr ← NARROW[inst.ob.specificRef];
rel, sz: CD.Position;
o: CD.Orientation ← CDOrient.ComposeOrient[rptr.orientation, orient];
dummyInstance: CD.Instance ← NEW[CD.InstanceRep];
xi: REF INT;
dummyInstance.ob ← rptr.ob;
rel ← rptr.offsetOfFirst;
sz ← CDOrient.OrientedSize[rptr.ob.size, rptr.orientation];
--hang two properties on the application; both pointing to the same int containing the
--repetition number;
--the first property has the name $CDxIndex
--the second property name is the value of the property $CDxIndexProperty
WITH CDProperties.GetPropFromInstance[inst, $CDxIndex]
SELECT
FROM
intP: REF INT => xi ← intP;
ENDCASE => {
xi ← NEW[INT];
CDProperties.PutPropOnInstance[inst, $CDxIndex, xi];
WITH CDProperties.GetPropFromInstance[inst, $CDxIndexProperty]
SELECT
FROM
ixP:
ATOM => {
CDProperties.PutPropOnInstance[inst, ixP, xi];
};
ENDCASE => NULL
};
--do drawing
FOR i:
INT
IN [0..rptr.count)
DO
r:
CD.Rect ← CDOrient.MapRect[
itemInCell: CDBasics.RectAt[rel, sz],
cellSize: inst.ob.size,
cellInstOrient: orient,
cellInstPos: pos
];
IF pr.stopFlag^ THEN EXIT;
xi^ ← i;
rptr.ob.class.quickDrawMe[dummyInstance, CDBasics.BaseOfRect[r], o, pr];
rel ← CDBasics.AddPoints[rel, rptr.offset];
ENDLOOP;
END;
Another:
PROC [me:
CD.Object, from, to:
CD.Design]
RETURNS [ob:
CD.Object] =
BEGIN
rp: RepPtr = NARROW[me.specificRef];
ob ← CreateRepetition[to, rp.ob, rp.count, rp.offset, rp.orientation];
CDProperties.AppendProps[winner: ob.properties, looser: me.properties, putOnto: ob];
END;
IncCount: CDCallSpecific.CallProc
-- PROC [design: CD.Design, inst: CD.Instance, x: REF] RETURNS [done: BOOL←TRUE, removeMe: BOOL�LSE, include: CD.InstanceList←NIL, repaintMe: BOOL�LSE, repaintInclude: BOOL�LSE] -- =
BEGIN
sz: CD.Position ← inst.ob.size;
ap: CD.Instance ← NEW[CD.InstanceRep←inst^];
rptr: RepPtr ← NARROW[inst.ob.specificRef];
newOb: CD.Object = CreateRepetition[design, rptr.ob, rptr.count+1, rptr.offset, rptr.orientation];
IF ap.ob.size#newOb.size
THEN {
relativeNewBound: CD.Rect ← [x1: 0, y1: 0, x2: inst.ob.size.x, y2: inst.ob.size.y];
IF rptr.offset.x>=0 THEN relativeNewBound.x2 ← inst.ob.size.x+rptr.offset.x
ELSE relativeNewBound.x1 ← rptr.offset.x;
IF rptr.offset.y>=0 THEN relativeNewBound.y2 ← inst.ob.size.y+rptr.offset.y
ELSE relativeNewBound.y1 ← rptr.offset.y;
ap.location ← CDBasics.BaseOfRect[
CDOrient.MapRect[
itemInCell: relativeNewBound,
cellSize: inst.ob.size,
cellInstOrient: inst.orientation,
cellInstPos: inst.location]];
};
ap.ob ← newOb;
include ← LIST[ap];
repaintMe ← TRUE;
removeMe ← TRUE;
repaintInclude ← TRUE;
END;
DecCount: CDCallSpecific.CallProc
-- PROC [design: CD.Design, inst: CD.Instance, x: REF] RETURNS [done: BOOL←TRUE, removeMe: BOOL�LSE, include: CD.InstanceList←NIL, repaintMe: BOOL�LSE, repaintInclude: BOOL�LSE] -- =
BEGIN
sz: CD.Position ← inst.ob.size;
ap: CD.Instance ← NEW[CD.InstanceRep←inst^];
rptr: RepPtr ← NARROW[inst.ob.specificRef];
newOb: CD.Object = CreateRepetition[design, rptr.ob, rptr.count-1, rptr.offset, rptr.orientation];
IF ap.ob.size#newOb.size
THEN {
relativeNewBound: CD.Rect ← [x1: 0, y1: 0, x2: inst.ob.size.x, y2: inst.ob.size.y];
IF rptr.offset.x>=0 THEN relativeNewBound.x2 ← inst.ob.size.x-rptr.offset.x
ELSE relativeNewBound.x1 ← -rptr.offset.x;
IF rptr.offset.y>=0 THEN relativeNewBound.y2 ← inst.ob.size.y-rptr.offset.y
ELSE relativeNewBound.y1 ← -rptr.offset.y;
ap.location ← CDBasics.BaseOfRect[
CDOrient.MapRect[
itemInCell: relativeNewBound,
cellSize: inst.ob.size,
cellInstOrient: inst.orientation,
cellInstPos: inst.location]];
};
ap.ob ← newOb;
include ← LIST[ap];
repaintMe ← TRUE;
removeMe ← TRUE;
repaintInclude ← TRUE;
END;
Expand:
PROC [me:
CD.Object, from, to:
CD.Design]
RETURNS [
CD.Object] =
BEGIN
RETURN [CDDirectory.ExpandByDraw[me, from, to]];
END;
TransformToCell: CDCallSpecific.CallProc
-- PROC [design: CD.Design, inst: CD.Instance, x: REF] RETURNS [done: BOOL←TRUE, removeMe: BOOL�LSE, include: CD.InstanceList←NIL, repaintMe: BOOL�LSE, repaintInclude: BOOL�LSE] -- =
BEGIN
cob: CD.Object ← NIL;
IF CDRepetitions.IsRepetition[inst.ob] THEN cob ← Expand[inst.ob, design, design];
done ← cob#NIL;
IF done
THEN {
removeMe ← TRUE;
repaintMe ← TRUE;
include ←
LIST[
NEW[
CD.InstanceRep ← [
ob: cob,
location: inst.location,
orientation: inst.orientation,
selected: inst.selected,
properties: CDProperties.DangerousCopyProps[inst.properties]
]]];
repaintInclude ← TRUE;
}
END;
EnumerateRepeatedObjects:
PROC [me:
CD.Object, p: CDDirectory.EnumerateObjectsProc, x:
REF] =
BEGIN
rptr: RepPtr = NARROW[me.specificRef];
p[rptr.ob, x];
END;
ReadRepetition:
CD.InternalReadProc
--PROC [] RETURNS [Object]-- =
BEGIN
ob: CD.Object = CDIO.ReadObject[];
count: NAT = TokenIO.ReadInt[];
offset: CD.Position = CDIOExtras.ReadPos[];
orientation: CD.Orientation = CDIO.ReadOrientation[];
RETURN [InternalCreateRepetition[ob: ob, count: count, offset: offset, orientation: orientation]];
END;
WriteRepetition:
CD.InternalWriteProc
-- PROC [me: Object] -- =
BEGIN
specific: RepPtr = NARROW[me.specificRef];
CDIO.WriteObject[specific.ob];
TokenIO.WriteInt[specific.count];
CDIOExtras.WritePos[specific.offset];
CDIO.WriteOrientation[specific.orientation];
END;
ReplaceDirectChildForReps: CDDirectory.ReplaceDChildsProc =
BEGIN
AdjustItself:
PROC [me:
CD.Object] =
BEGIN
rp: RepPtr = NARROW[me.specificRef];
rp.offsetOfFirst ← [0, 0];
IF rp.offset.x<0 THEN rp.offsetOfFirst.x← -(rp.count-1)*rp.offset.x;
IF rp.offset.y<0 THEN rp.offsetOfFirst.y← -(rp.count-1)*rp.offset.y;
END;
found: BOOL ← FALSE;
rp: CDRepetitions.RepPtr = NARROW[me.specificRef];
FOR replaceList: CDDirectory.ReplaceList ← replace, replaceList.rest
WHILE replaceList#
NIL
DO
rep: REF CDDirectory.ReplaceRec = replaceList.first;
IF rep.old=rp.ob
THEN {
IF rep.newSize#rep.oldSize
OR rep.off#[0, 0]
THEN {
rp.offsetOfFirst ← CDBasics.BaseOfRect[
CDOrient.MapRect[
itemInCell: CDBasics.MoveRect[
[x1: 0, y1: 0, x2: rep.newSize.x, y2: rep.newSize.y], rep.off],
cellSize: rep.oldSize,
cellInstOrient: rp.orientation,
cellInstPos: rp.offsetOfFirst]];
rp.ob ← rep.new;
found ← TRUE;
EXIT
}
};
ENDLOOP;
IF found
THEN {
newR: CD.Rect ← ComputeBoundsR[me];
IF newR#CDBasics.RectAt[[0, 0], me.size]
THEN {
newSize: CD.Position ← CDBasics.SizeOfRect[newR];
oldSize: CD.Position ← me.size;
newBase: CD.Position = CDBasics.BaseOfRect[newR];
AdjustItself[me];
me.size ← newSize;
IF design#
NIL
THEN
CDDirectory.RepositionObject[
design: design,
ob: me,
oldSize: oldSize,
baseOff: newBase
]
}
}
END;
InitRepetitions:
PROC [] =
BEGIN
rp: REF CDDirectory.DirectoryProcs = CDDirectory.InstallDirectoryProcs[pForRepetitions];
rp.enumerateChildObjects ← EnumerateRepeatedObjects;
rp.replaceDirectChilds ← ReplaceDirectChildForReps;
rp.expand ← Expand;
rp.another ← Another;
pForRepetitions.drawMe ← DrawMeForRepetitions;
pForRepetitions.quickDrawMe ← QuickDrawMeForRepetitions;
pForRepetitions.internalRead ← ReadRepetition;
pForRepetitions.internalWrite ← WriteRepetition;
CDInterestRects.InstallOldSetInterest[pForRepetitions, OldSetInterest];
CDCallSpecific.Register[$TransformToCell, pForRepetitions, TransformToCell];
CDCallSpecific.Register[$IncCount, pForRepetitions, IncCount];
CDCallSpecific.Register[$DecCount, pForRepetitions, DecCount];
END;
InitRepetitions[];
END.