SwTextBoxHelper: extract getTextRectangle() from syncProperty()

Change-Id: I6265247593571ffba4cbda7f87bdde1e943aff51

sw/inc/textboxhelper.hxx

@@ -19,6 +19,7 @@
 class SdrPage;
 class SwFrmFmt;
 class SwDoc;
+class Rectangle;
 
 /**
  * A TextBox is a TextFrame, that is tied to a drawinglayer shape.
@@ -39,6 +40,8 @@ public:
     static void syncProperty(SwFrmFmt* pShape, sal_uInt16 nWID, sal_uInt8 nMemberID, const OUString& rPropertyName, const css::uno::Any& rValue);
     /// If we have an associated TextFrame, then return that.
     static SwFrmFmt* findTextBox(SwFrmFmt* pShape);
+    /// Return the textbox rectangle of a draw shape (absolute values, in twips).
+    static Rectangle getTextRectangle(SwFrmFmt* pShape);
 
     /// Look up TextFrames in a document, which are in fact TextBoxes.
     static std::list<SwFrmFmt*> findTextBoxes(const SwDoc* pDoc);

sw/source/core/doc/textboxhelper.cxx

@@ -192,6 +192,16 @@ uno::Any SwTextBoxHelper::queryInterface(SwFrmFmt* pShape, const uno::Type& rTyp
     return aRet;
 }
 
+Rectangle SwTextBoxHelper::getTextRectangle(SwFrmFmt* pShape)
+{
+    Rectangle aRet;
+    aRet.SetEmpty();
+    SdrObjCustomShape* pCustomShape = dynamic_cast<SdrObjCustomShape*>(pShape->FindRealSdrObject());
+    if (pCustomShape)
+        pCustomShape->GetTextBounds(aRet);
+    return aRet;
+}
+
 void SwTextBoxHelper::syncProperty(SwFrmFmt* pShape, sal_uInt16 nWID, sal_uInt8 nMemberId, const OUString& rPropertyName, const css::uno::Any& rValue)
 {
     // No shape yet? Then nothing to do, initial properties are set by create().
@@ -260,12 +270,9 @@ void SwTextBoxHelper::syncProperty(SwFrmFmt* pShape, sal_uInt16 nWID, sal_uInt8
             // Position/size should be the text position/size, not the shape one as-is.
             if (bAdjustX || bAdjustY || bAdjustSize)
             {
-                SdrObjCustomShape* pCustomShape = dynamic_cast<SdrObjCustomShape*>(pShape->FindRealSdrObject());
-                if (pCustomShape)
+                Rectangle aRect = getTextRectangle(pShape);
+                if (!aRect.IsEmpty())
                 {
-                    Rectangle aRect;
-                    pCustomShape->GetTextBounds(aRect);
-
                     if (bAdjustX || bAdjustY)
                     {
                         sal_Int32 nValue;