loplugin:useuniqueptr in PresenterTextView::Implementation

Change-Id: Ie5641d3a4b0791aa4ae4f126afeb3ec6f9760909
Reviewed-on: https://gerrit.libreoffice.org/51661Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

sd/source/ui/presenter/PresenterTextView.cxx

@@ -83,7 +83,7 @@ private:
     Reference<rendering::XBitmap> mxBitmap;
     cppcanvas::CanvasSharedPtr mpCanvas;
     VclPtr<VirtualDevice> mpOutputDevice;
-    EditEngine* mpEditEngine;
+    std::unique_ptr<EditEngine> mpEditEngine;
     SfxItemPool* mpEditEngineItemPool;
     Size maSize;
     Color maBackgroundColor;
@@ -92,7 +92,6 @@ private:
     sal_Int32 mnTop;
     sal_Int32 mnTotalHeight;
 
-    EditEngine* CreateEditEngine();
     void CheckTop();
 };
 
@@ -242,24 +241,7 @@ PresenterTextView::Implementation::Implementation()
 {
     mpOutputDevice->SetMapMode(MapMode(MapUnit::MapPixel));
 
-    mpEditEngine = CreateEditEngine ();
-}
-
-PresenterTextView::Implementation::~Implementation()
-{
-    delete mpEditEngine;
-    SfxItemPool::Free(mpEditEngineItemPool);
-    mpOutputDevice.disposeAndClear();
-}
-
-EditEngine* PresenterTextView::Implementation::CreateEditEngine()
-{
-    EditEngine* pEditEngine = mpEditEngine;
-    if (pEditEngine == nullptr)
-    {
-
     // set fonts to be used
-
     SvtLinguOptions aOpt;
     SvtLinguConfig().GetOptions( aOpt );
 
@@ -300,25 +282,29 @@ EditEngine* PresenterTextView::Implementation::CreateEditEngine()
                 rFntDta.nFontInfoId));
     }
 
-        pEditEngine = new EditEngine (mpEditEngineItemPool);
+    mpEditEngine.reset( new EditEngine (mpEditEngineItemPool) );
 
-        pEditEngine->EnableUndo (true);
-        pEditEngine->SetDefTab (sal_uInt16(
+    mpEditEngine->EnableUndo (true);
+    mpEditEngine->SetDefTab (sal_uInt16(
         Application::GetDefaultDevice()->GetTextWidth("XXXX")));
 
-        pEditEngine->SetControlWord(
-                EEControlBits(pEditEngine->GetControlWord() | EEControlBits::AUTOINDENTING) &
+    mpEditEngine->SetControlWord(
+            EEControlBits(mpEditEngine->GetControlWord() | EEControlBits::AUTOINDENTING) &
             EEControlBits(~EEControlBits::UNDOATTRIBS) &
             EEControlBits(~EEControlBits::PASTESPECIAL) );
 
-        pEditEngine->SetWordDelimiters (" .=+-*/(){}[];\"");
-        pEditEngine->SetRefMapMode(MapMode(MapUnit::MapPixel));
-        pEditEngine->SetPaperSize (Size(800, 0));
-        pEditEngine->EraseVirtualDevice();
-        pEditEngine->ClearModifyFlag();
-    }
+    mpEditEngine->SetWordDelimiters (" .=+-*/(){}[];\"");
+    mpEditEngine->SetRefMapMode(MapMode(MapUnit::MapPixel));
+    mpEditEngine->SetPaperSize (Size(800, 0));
+    mpEditEngine->EraseVirtualDevice();
+    mpEditEngine->ClearModifyFlag();
+}
 
-    return pEditEngine;
+PresenterTextView::Implementation::~Implementation()
+{
+    mpEditEngine.reset();
+    SfxItemPool::Free(mpEditEngineItemPool);
+    mpOutputDevice.disposeAndClear();
 }
 
 void PresenterTextView::Implementation::SetCanvas (const cppcanvas::CanvasSharedPtr& rpCanvas)