oox smartart, accent process: fix overlapping shape pairs

Linear algorithm had an idea how to take width from constrains, but that
was unused for embedded child algorithms.

Change-Id: If4c497e053ea0d134a1ffc529f1d233ec4fc50db
Reviewed-on: https://gerrit.libreoffice.org/63725
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>
Tested-by: Jenkins
diff --git a/oox/source/drawingml/diagram/diagramlayoutatoms.cxx b/oox/source/drawingml/diagram/diagramlayoutatoms.cxx
index c053aa4..bb5ed2a 100644
--- a/oox/source/drawingml/diagram/diagramlayoutatoms.cxx
+++ b/oox/source/drawingml/diagram/diagramlayoutatoms.cxx
@@ -523,7 +523,7 @@ void AlgAtom::layoutShape( const ShapePtr& rShape,
                aSize.Width *= fWidthScale;
                aCurrShape->setSize(aSize);

                aCurrShape->setChildSize(aChildSize);
                aCurrShape->setChildSize(aSize);
                aCurrPos.X += nIncX * (aSize.Width + fSpace*aSize.Width);
                aCurrPos.Y += nIncY * (aChildSize.Height + fSpace*aChildSize.Height);
            }
diff --git a/sd/qa/unit/import-tests-smartart.cxx b/sd/qa/unit/import-tests-smartart.cxx
index edb64c3..f431cdd 100644
--- a/sd/qa/unit/import-tests-smartart.cxx
+++ b/sd/qa/unit/import-tests-smartart.cxx
@@ -472,7 +472,7 @@ void SdImportTestSmartArt::testAccentProcess()
    CPPUNIT_ASSERT(xFirstParentText.is());
    CPPUNIT_ASSERT_EQUAL(OUString("a"), xFirstParentText->getString());
    uno::Reference<drawing::XShape> xFirstParent(xFirstParentText, uno::UNO_QUERY);
    CPPUNIT_ASSERT(xFirstParentText.is());
    CPPUNIT_ASSERT(xFirstParent.is());
    int nFirstParentTop = xFirstParent->getPosition().Y;

    uno::Reference<text::XText> xFirstChildText(xFirstPair->getByIndex(2), uno::UNO_QUERY);
@@ -481,6 +481,7 @@ void SdImportTestSmartArt::testAccentProcess()
    uno::Reference<drawing::XShape> xFirstChild(xFirstChildText, uno::UNO_QUERY);
    CPPUNIT_ASSERT(xFirstChildText.is());
    int nFirstChildTop = xFirstChild->getPosition().Y;
    int nFirstChildRight = xFirstChild->getPosition().X + xFirstChild->getSize().Width;

    // First child is below the first parent.
    // Without the accompanying fix in place, this test would have failed with
@@ -488,6 +489,20 @@ void SdImportTestSmartArt::testAccentProcess()
    // below xFirstParent (a good position is 9081).
    CPPUNIT_ASSERT_LESS(nFirstChildTop, nFirstParentTop);

    uno::Reference<drawing::XShapes> xSecondPair(xGroup->getByIndex(2), uno::UNO_QUERY);
    CPPUNIT_ASSERT(xSecondPair.is());
    CPPUNIT_ASSERT_EQUAL(static_cast<sal_Int32>(3), xSecondPair->getCount());
    uno::Reference<text::XText> xSecondParentText(xSecondPair->getByIndex(1), uno::UNO_QUERY);
    CPPUNIT_ASSERT(xFirstParentText.is());
    CPPUNIT_ASSERT_EQUAL(OUString("c"), xSecondParentText->getString());
    uno::Reference<drawing::XShape> xSecondParent(xSecondParentText, uno::UNO_QUERY);
    CPPUNIT_ASSERT(xSecondParent.is());
    int nSecondParentLeft = xSecondParent->getPosition().X;
    // Without the accompanying fix in place, this test would have failed with
    // 'Expected less than: 12700; Actual  : 18540', i.e. the "b" and "c"
    // shapes overlapped.
    CPPUNIT_ASSERT_LESS(nSecondParentLeft, nFirstChildRight);

    xDocShRef->DoClose();
}