constraints: Lock surface region when region is empty (#6627)

* Pointer constraints: Lock surface region when region is empty

* Format code

src/protocols/PointerConstraints.cpp

@@ -165,8 +165,15 @@ SP<CWLSurface> CPointerConstraint::owner() {
 }
 
 CRegion CPointerConstraint::logicConstraintRegion() {
- CRegion rg = region;
- const auto SURFBOX = pHLSurface->getSurfaceBoxGlobal();
+ CRegion rg = region;
+ const auto SURFBOX = pHLSurface->getSurfaceBoxGlobal();
+
+ // if region wasn't set in pointer-constraints request take surface region
+ if (rg.empty() && SURFBOX.has_value()) {
+ rg.set(SURFBOX.value());
+ return rg;
+ }
+
  const auto CONSTRAINTPOS = SURFBOX.has_value() ? SURFBOX->pos() : Vector2D{};
  rg.translate(CONSTRAINTPOS);
  return rg;