lokdialog: Convert the Format -> ... -> Position and Size... to async exec.

Change-Id: Idcdbfb1366db61e247c31eab5cb27a39978b0fd9
Reviewed-on: https://gerrit.libreoffice.org/48055
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Jan Holesovsky <kendy@collabora.com>

cui/source/factory/dlgfact.hxx

@@ -67,12 +67,17 @@ public:                                             \
     explicit        Class( DialogClass* p)          \
                      : pDlg(p)                      \
                      {}                             \
-    virtual short   Execute() override ;
+    virtual short   Execute() override;             \
+    virtual bool    StartExecuteAsync(VclAbstractDialog::AsyncContext &rCtx) override;
 
 #define IMPL_ABSTDLG_BASE(Class)                    \
 short Class::Execute()                              \
 {                                                   \
     return pDlg->Execute();                         \
+}                                                   \
+bool Class::StartExecuteAsync(VclAbstractDialog::AsyncContext &rCtx) \
+{                                                   \
+    return pDlg->StartExecuteAsync(rCtx);           \
 }
 
 class VclAbstractDialog2_Impl : public VclAbstractDialog2

sd/source/ui/func/futransf.cxx

@@ -32,8 +32,7 @@
 
 #include <memory>
 
-namespace sd {
+using namespace sd;
-
 
 FuTransform::FuTransform(ViewShell* pViewSh, ::sd::Window* pWin, ::sd::View* pView,
                          SdDrawDocument* pDoc, SfxRequest& rReq)
@@ -48,16 +47,63 @@ rtl::Reference<FuPoor> FuTransform::Create( ViewShell* pViewSh, ::sd::Window* pW
     return xFunc;
 }
 
+namespace {
+
+void setUndo(::sd::View* pView, const SfxItemSet* pArgs)
+{
+    // Undo
+    OUString aString(pView->GetDescriptionOfMarkedObjects());
+    aString += " " + SdResId(STR_TRANSFORM);
+    pView->BegUndo(aString);
+
+    pView->SetGeoAttrToMarked(*pArgs);
+    pView->SetAttributes(*pArgs);
+    pView->EndUndo();
+}
+
+class ScopeCleanup
+{
+    ViewShell* mpViewShell;
+public:
+    ScopeCleanup(ViewShell* pViewShell) : mpViewShell(pViewShell)
+    {
+    }
+
+    ~ScopeCleanup()
+    {
+        if (mpViewShell)
+        {
+            mpViewShell->Invalidate(SID_RULER_OBJECT);
+            mpViewShell->Cancel();
+        }
+    }
+
+    void ignore()
+    {
+        mpViewShell = nullptr;
+    }
+};
+
+}
+
 void FuTransform::DoExecute( SfxRequest& rReq )
 {
-    if( mpView->AreObjectsMarked() )
+    ScopeCleanup aCleanup(mpViewShell);
-    {
+
+    if (!mpView->AreObjectsMarked())
+        return;
+
     const SfxItemSet* pArgs = rReq.GetArgs();
 
-        if( !pArgs )
+    if (pArgs)
     {
+        setUndo(mpView, pArgs);
+        return;
+    }
+
     // --------- itemset for size and position --------
     SfxItemSet aSet( mpView->GetGeoAttrFromMarked() );
+    VclPtr<SfxAbstractTabDialog> pDlg;
 
     const SdrMarkList& rMarkList = mpView->GetMarkedObjectList();
     SdrObject* pObj = rMarkList.GetMark(0)->GetMarkedSdrObj();
@@ -70,52 +116,43 @@ void FuTransform::DoExecute( SfxRequest& rReq )
         mpView->GetAttributes( aNewAttr );
 
         SvxAbstractDialogFactory* pFact = SvxAbstractDialogFactory::Create();
-                if ( pFact )
+        if (!pFact)
-                {
+            return;
-                    ScopedVclPtr< SfxAbstractTabDialog > pDlg( pFact->CreateCaptionDialog( nullptr, mpView ) );
+
+        pDlg.reset(pFact->CreateCaptionDialog(nullptr, mpView));
 
         const sal_uInt16* pRange = pDlg->GetInputRanges( *aNewAttr.GetPool() );
         SfxItemSet aCombSet( *aNewAttr.GetPool(), pRange );
         aCombSet.Put( aNewAttr );
         aCombSet.Put( aSet );
         pDlg->SetInputSet( &aCombSet );
-
-                    if( pDlg.get() && (pDlg->Execute() == RET_OK) )
-                    {
-                        rReq.Done( *( pDlg->GetOutputItemSet() ) );
-                        pArgs = rReq.GetArgs();
-                    }
-                }
     }
     else
     {
         SvxAbstractDialogFactory* pFact = SvxAbstractDialogFactory::Create();
-                if(pFact)
+        if (!pFact)
-                {
+            return;
-                    ScopedVclPtr< SfxAbstractTabDialog > pDlg( pFact->CreateSvxTransformTabDialog( nullptr, &aSet, mpView ) );
+
-                    if( pDlg.get() && (pDlg->Execute() == RET_OK) )
+        pDlg.reset(pFact->CreateSvxTransformTabDialog(nullptr, &aSet, mpView));
-                    {
-                        rReq.Done( *( pDlg->GetOutputItemSet() ) );
-                        pArgs = rReq.GetArgs();
-                    }
-                }
-            }
     }
 
-        if( pArgs )
+    if (!pDlg)
-        {
+        return;
-            // Undo
-            OUString aString( mpView->GetDescriptionOfMarkedObjects() );
-            aString += " " + SdResId( STR_TRANSFORM );
-            mpView->BegUndo( aString );
 
-            mpView->SetGeoAttrToMarked( *pArgs );
+    std::shared_ptr<SfxRequest> pRequest(new SfxRequest(rReq));
-            mpView->SetAttributes( *pArgs );
+    rReq.Ignore(); // the 'old' request is not relevant any more
-            mpView->EndUndo();
+    aCleanup.ignore(); // the lambda does it
-        }
+
+    pDlg->StartExecuteAsync([=](sal_Int32 nResult){
+        if (nResult == RET_OK)
+        {
+            pRequest->Done(*(pDlg->GetOutputItemSet()));
+            setUndo(mpView, pRequest->GetArgs());
         }
+
+        mpViewShell->Invalidate(SID_RULER_OBJECT);
+        mpViewShell->Cancel();
+    }, pDlg);
 }
 
-} // end of namespace sd
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

sd/source/ui/view/drviews2.cxx

@@ -1381,8 +1381,7 @@ void DrawViewShell::FuTemporary(SfxRequest& rReq)
         case SID_ATTR_TRANSFORM:
         {
             SetCurrentFunction( FuTransform::Create( this, GetActiveWindow(), mpDrawView, GetDoc(), rReq ) );
-            Invalidate(SID_RULER_OBJECT);
+            // Cancel() and Invalidate() called directly in FuTransform::Create()
-            Cancel();
         }
         break;