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remember auto-removed constraints for undo

pull/940/head
robnee 2021-02-07 11:54:24 -05:00 committed by phkahler
parent 7795b0bc19
commit 04e872a61f
1 changed files with 9 additions and 1 deletions
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10
src/constraint.cpp
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@ -417,8 +417,11 @@ void Constraint::MenuConstrain(Command id) {
c.ptA = gs.point[0];
// If a point is at-midpoint, then no reason to also constrain
// it on-line; so auto-remove that.
// it on-line; so auto-remove that. Handle as one undo group.
SS.UndoRemember();
DeleteAllConstraintsFor(Type::PT_ON_LINE, c.entityA, c.ptA);
AddConstraint(&c, /*rememberForUndo=*/false);
break;
} else if(gs.lineSegments == 1 && gs.workplanes == 1 && gs.n == 2) {
c.type = Type::AT_MIDPOINT;
int i = SK.GetEntity(gs.entity[0])->IsWorkplane() ? 1 : 0;
@ -493,6 +496,7 @@ void Constraint::MenuConstrain(Command id) {
"(symmetric about workplane)\n"));
return;
}
// We may remove constraints so remember manually
if(c.entityA == Entity::NO_ENTITY) {
// Horizontal / vertical symmetry, implicit symmetry plane
// normal to the workplane
@ -514,10 +518,14 @@ void Constraint::MenuConstrain(Command id) {
if(gs.lineSegments == 1) {
// If this line segment is already constrained horiz or
// vert, then auto-remove that redundant constraint.
// Handle as one undo group.
SS.UndoRemember();
DeleteAllConstraintsFor(Type::HORIZONTAL, (gs.entity[0]),
Entity::NO_ENTITY);
DeleteAllConstraintsFor(Type::VERTICAL, (gs.entity[0]),
Entity::NO_ENTITY);
AddConstraint(&c, /*rememberForUndo=*/false);
break;
}
}
AddConstraint(&c);