tdf#131581 inhibit updates during all_foreach

Change-Id: I8494b4c9175e427bfb89696d49c2da7607af37ef
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/102371
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>

2 files changed, 49 insertions, 7 deletions

diff --git a/include/vcl/toolkit/treelist.hxx b/include/vcl/toolkit/treelist.hxx
index 6f047c20753c..09ed5da01df2 100644
--- a/include/vcl/toolkit/treelist.hxx
+++ b/include/vcl/toolkit/treelist.hxx
@@ -134,6 +134,7 @@ public:
                         );
 
     void                EnableInvalidate( bool bEnable );
+    bool                IsEnableInvalidate() const { return mbEnableInvalidate; }
 
     // Notify all Listeners
     void                InvalidateEntry( SvTreeListEntry* );
diff --git a/vcl/source/app/salvtables.cxx b/vcl/source/app/salvtables.cxx
index 7c7bbbe25e86..a580ff22577c 100644
--- a/vcl/source/app/salvtables.cxx
+++ b/vcl/source/app/salvtables.cxx
@@ -3303,6 +3303,37 @@ class SalInstanceTreeView;
 
 static SalInstanceTreeView* g_DragSource;
 
+namespace
+{
+    class UpdateGuard
+    {
+    private:
+        SvTabListBox& m_rTreeView;
+        bool m_bOrigUpdate;
+        bool m_bOrigEnableInvalidate;
+
+    public:
+        UpdateGuard(SvTabListBox& rTreeView)
+            : m_rTreeView(rTreeView)
+            , m_bOrigUpdate(m_rTreeView.IsUpdateMode())
+            , m_bOrigEnableInvalidate(m_rTreeView.GetModel()->IsEnableInvalidate())
+        {
+            if (m_bOrigUpdate)
+                m_rTreeView.SetUpdateMode(false);
+            if (m_bOrigEnableInvalidate)
+                m_rTreeView.GetModel()->EnableInvalidate(false);
+        }
+
+        ~UpdateGuard()
+        {
+            if (m_bOrigUpdate)
+                m_rTreeView.SetUpdateMode(true);
+            if (m_bOrigEnableInvalidate)
+                m_rTreeView.GetModel()->EnableInvalidate(true);
+        }
+    };
+}
+
 class SalInstanceTreeView : public SalInstanceContainer, public virtual weld::TreeView
 {
 private:
@@ -3460,6 +3491,13 @@ private:
         m_xTreeView->CheckBoxInserted(pEntry);
     }
 
+    void InvalidateModelEntry(SvTreeListEntry* pEntry)
+    {
+        if (!m_xTreeView->GetModel()->IsEnableInvalidate())
+            return;
+        m_xTreeView->ModelHasEntryInvalidated(pEntry);
+    }
+
     void do_set_toggle(SvTreeListEntry* pEntry, TriState eState, int col)
     {
         assert(col >= 0 && o3tl::make_unsigned(col) < pEntry->ItemCount());
@@ -3486,7 +3524,7 @@ private:
                 break;
         }
 
-        m_xTreeView->ModelHasEntryInvalidated(pEntry);
+        InvalidateModelEntry(pEntry);
     }
 
     static TriState do_get_toggle(SvTreeListEntry* pEntry, int col)
@@ -3988,7 +4026,8 @@ public:
             assert(dynamic_cast<SvLBoxString*>(&rItem));
             static_cast<SvLBoxString&>(rItem).SetText(rText);
         }
-        m_xTreeView->ModelHasEntryInvalidated(pEntry);
+
+        InvalidateModelEntry(pEntry);
     }
 
     virtual void set_text(int pos, const OUString& rText, int col) override
@@ -4012,7 +4051,7 @@ public:
                 if (rItem.GetType() == SvLBoxItemType::String)
                 {
                     rItem.Enable(bSensitive);
-                    m_xTreeView->ModelHasEntryInvalidated(pEntry);
+                    InvalidateModelEntry(pEntry);
                     break;
                 }
             }
@@ -4025,7 +4064,7 @@ public:
         SvLBoxItem& rItem = pEntry->GetItem(col);
         rItem.Enable(bSensitive);
 
-        m_xTreeView->ModelHasEntryInvalidated(pEntry);
+        InvalidateModelEntry(pEntry);
     }
 
     using SalInstanceWidget::set_sensitive;
@@ -4093,7 +4132,7 @@ public:
         assert(dynamic_cast<SvLBoxString*>(&rItem));
         static_cast<SvLBoxString&>(rItem).Emphasize(bOn);
 
-        m_xTreeView->ModelHasEntryInvalidated(pEntry);
+        InvalidateModelEntry(pEntry);
     }
 
     virtual void set_text_emphasis(const weld::TreeIter& rIter, bool bOn, int col) override
@@ -4129,7 +4168,7 @@ public:
         assert(dynamic_cast<SvLBoxString*>(&rItem));
         static_cast<SvLBoxString&>(rItem).Align(fAlign);
 
-        m_xTreeView->ModelHasEntryInvalidated(pEntry);
+        InvalidateModelEntry(pEntry);
     }
 
     virtual void set_text_align(const weld::TreeIter& rIter, double fAlign, int col) override
@@ -4191,7 +4230,7 @@ public:
         }
 
         m_xTreeView->SetEntryHeight(pEntry);
-        m_xTreeView->ModelHasEntryInvalidated(pEntry);
+        InvalidateModelEntry(pEntry);
     }
 
     virtual void set_image(int pos, const OUString& rImage, int col) override
@@ -4523,6 +4562,8 @@ public:
 
     virtual void all_foreach(const std::function<bool(weld::TreeIter&)>& func) override
     {
+        UpdateGuard aGuard(*m_xTreeView);
+
         SalInstanceTreeIter aVclIter(m_xTreeView->First());
         while (aVclIter.iter)
         {