do setPreviewsToSamePlace at SfxTabDialogController display time

Change-Id: Ia38c1a577b7d054ab4e7e70a8f2cbce16a3573f5
Reviewed-on: https://gerrit.libreoffice.org/55793
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

1 files changed, 26 insertions, 0 deletions

diff --git a/vcl/source/app/salvtables.cxx b/vcl/source/app/salvtables.cxx
index 00ff6c6a9090..20f957af82d3 100644
--- a/vcl/source/app/salvtables.cxx
+++ b/vcl/source/app/salvtables.cxx
@@ -457,6 +457,27 @@ public:
     }
 };
 
+class SalInstanceSizeGroup : public weld::SizeGroup
+{
+private:
+    std::shared_ptr<VclSizeGroup> m_xGroup;
+public:
+    SalInstanceSizeGroup()
+        : m_xGroup(new VclSizeGroup)
+    {
+    }
+    virtual void add_widget(weld::Widget* pWidget) override
+    {
+        SalInstanceWidget* pVclWidget = dynamic_cast<SalInstanceWidget*>(pWidget);
+        assert(pVclWidget);
+        m_xGroup->insert(pVclWidget->getWidget());
+    }
+    virtual void set_mode(VclSizeGroupMode eMode) override
+    {
+        m_xGroup->set_mode(eMode);
+    }
+};
+
 class SalInstanceContainer : public SalInstanceWidget, public virtual weld::Container
 {
 private:
@@ -2360,6 +2381,11 @@ public:
         return pMenu ? new SalInstanceMenu(pMenu, bTakeOwnership) : nullptr;
     }
 
+    virtual weld::SizeGroup* create_size_group() override
+    {
+        return new SalInstanceSizeGroup;
+    }
+
     virtual ~SalInstanceBuilder() override
     {
         if (VclBuilderContainer* pOwnedToplevel = dynamic_cast<VclBuilderContainer*>(m_aOwnedToplevel.get()))