ref-count SdrPage

which simplifies ownership handling, particularly with regard to
undo/redo

Change-Id: Ie8f300ebfdae6db3c06f78a87e35a07497d6b825
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/111991
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

1 files changed, 6 insertions, 6 deletions

diff --git a/cui/source/tabpages/tpline.cxx b/cui/source/tabpages/tpline.cxx
index aba1fafc6735..2a9fc74cc429 100644
--- a/cui/source/tabpages/tpline.cxx
+++ b/cui/source/tabpages/tpline.cxx
@@ -820,13 +820,13 @@ void SvxLineTabPage::Reset( const SfxItemSet* rAttrs )
         std::unique_ptr<SdrModel> pModel(
             new SdrModel(nullptr, nullptr, true));
         pModel->GetItemPool().FreezeIdRanges();
-        SdrPage* pPage = new SdrPage( *pModel, false );
+        rtl::Reference<SdrPage> pPage = new SdrPage( *pModel, false );
         pPage->SetSize(Size(1000,1000));
-        pModel->InsertPage( pPage, 0 );
+        pModel->InsertPage( pPage.get(), 0 );
         {
         std::unique_ptr<SdrView> pView(new SdrView( *pModel, pVDev ));
         pView->hideMarkHandles();
-        pView->ShowSdrPage(pPage);
+        pView->ShowSdrPage(pPage.get());
         size_t nSymTmp = static_cast<size_t>(nSymType);
         if(m_pSymbolList)
         {
@@ -1437,14 +1437,14 @@ IMPL_LINK_NOARG(SvxLineTabPage, MenuCreateHdl_Impl, weld::ToggleButton&, void)
         new SdrModel(nullptr, nullptr, true));
     pModel->GetItemPool().FreezeIdRanges();
     // Page
-    SdrPage* pPage = new SdrPage( *pModel, false );
+    rtl::Reference<SdrPage> pPage = new SdrPage( *pModel, false );
     pPage->SetSize(Size(1000,1000));
-    pModel->InsertPage( pPage, 0 );
+    pModel->InsertPage( pPage.get(), 0 );
     {
         // 3D View
         std::unique_ptr<SdrView> pView(new SdrView( *pModel, pVDev ));
         pView->hideMarkHandles();
-        pView->ShowSdrPage(pPage);
+        pView->ShowSdrPage(pPage.get());
 
         // Generate invisible square to give all symbols a
         // bitmap size, which is independent from specific glyph