do setPreviewsToSamePlace at SfxTabDialogController display time

Change-Id: Ia38c1a577b7d054ab4e7e70a8f2cbce16a3573f5
Reviewed-on: https://gerrit.libreoffice.org/55810
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

2 files changed, 72 insertions, 0 deletions

diff --git a/vcl/source/app/salvtables.cxx b/vcl/source/app/salvtables.cxx
index 8e9689c7c2c1..a703f1bc00f6 100644
--- a/vcl/source/app/salvtables.cxx
+++ b/vcl/source/app/salvtables.cxx
@@ -462,6 +462,27 @@ 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:
@@ -2365,6 +2386,11 @@ 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()))
diff --git a/vcl/unx/gtk3/gtk3gtkinst.cxx b/vcl/unx/gtk3/gtk3gtkinst.cxx
index cc927fe89742..47ef69b4077a 100644
--- a/vcl/unx/gtk3/gtk3gtkinst.cxx
+++ b/vcl/unx/gtk3/gtk3gtkinst.cxx
@@ -1747,6 +1747,47 @@ public:
     }
 };
 
+class GtkInstanceSizeGroup : public weld::SizeGroup
+{
+private:
+    GtkSizeGroup* m_pGroup;
+public:
+    GtkInstanceSizeGroup()
+        : m_pGroup(gtk_size_group_new(GTK_SIZE_GROUP_NONE))
+    {
+    }
+    virtual void add_widget(weld::Widget* pWidget) override
+    {
+        GtkInstanceWidget* pVclWidget = dynamic_cast<GtkInstanceWidget*>(pWidget);
+        assert(pVclWidget);
+        gtk_size_group_add_widget(m_pGroup, pVclWidget->getWidget());
+    }
+    virtual void set_mode(VclSizeGroupMode eVclMode) override
+    {
+        GtkSizeGroupMode eGtkMode;
+        switch (eVclMode)
+        {
+            case VclSizeGroupMode::NONE:
+                eGtkMode = GTK_SIZE_GROUP_NONE;
+                break;
+            case VclSizeGroupMode::Horizontal:
+                eGtkMode = GTK_SIZE_GROUP_HORIZONTAL;
+                break;
+            case VclSizeGroupMode::Vertical:
+                eGtkMode = GTK_SIZE_GROUP_VERTICAL;
+                break;
+            case VclSizeGroupMode::Both:
+                eGtkMode = GTK_SIZE_GROUP_BOTH;
+                break;
+        }
+        gtk_size_group_set_mode(m_pGroup, eGtkMode);
+    }
+    virtual ~GtkInstanceSizeGroup() override
+    {
+        g_object_unref(m_pGroup);
+    }
+};
+
 class GtkInstanceContainer : public GtkInstanceWidget, public virtual weld::Container
 {
 private:
@@ -4885,6 +4926,11 @@ public:
             return nullptr;
         return new GtkInstanceMenu(pMenu, bTakeOwnership);
     }
+
+    virtual weld::SizeGroup* create_size_group() override
+    {
+        return new GtkInstanceSizeGroup;
+    }
 };
 
 void GtkInstanceWindow::help()