Resolves: tdf#127904 modal depth dips below 0

when validation dialog is run modally, but changed itself to unmodal
during execution.

only NotifyModalHierarchy on modal<->unmodal transition and not on
modality depth

Change-Id: I85d4f67e5b0426aafbf80b1ae25fc3e3f19717af
Reviewed-on: https://gerrit.libreoffice.org/80039
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

1 files changed, 5 insertions, 8 deletions

diff --git a/vcl/unx/gtk3/gtk3gtkinst.cxx b/vcl/unx/gtk3/gtk3gtkinst.cxx
index e31fb2371bb3..7b5356bee72e 100644
--- a/vcl/unx/gtk3/gtk3gtkinst.cxx
+++ b/vcl/unx/gtk3/gtk3gtkinst.cxx
@@ -3537,8 +3537,9 @@ struct DialogRunner
         if (m_xFrameWindow)
         {
             m_xFrameWindow->IncModalCount();
+            if (m_nModalDepth == 0)
+                m_xFrameWindow->ImplGetFrame()->NotifyModalHierarchy(true);
             ++m_nModalDepth;
-            m_xFrameWindow->ImplGetFrame()->NotifyModalHierarchy(true);
         }
     }
 
@@ -3548,7 +3549,8 @@ struct DialogRunner
         {
             m_xFrameWindow->DecModalCount();
             --m_nModalDepth;
-            m_xFrameWindow->ImplGetFrame()->NotifyModalHierarchy(false);
+            if (m_nModalDepth == 0)
+                m_xFrameWindow->ImplGetFrame()->NotifyModalHierarchy(false);
         }
     }
 
@@ -3608,13 +3610,8 @@ struct DialogRunner
             // if, like the calc validation dialog does, the modality was
             // toggled off during execution ensure that on cleanup the parent
             // is left in the state it was found
-            SalFrame* pFrame = m_xFrameWindow->ImplGetFrame();
-            do
-            {
+            while (m_nModalDepth++ < 0)
                 m_xFrameWindow->IncModalCount();
-                pFrame->NotifyModalHierarchy(true);
-            }
-            while (++m_nModalDepth < 0);
         }
     }
 };