lokdialog: Convert InfoReadonlyDialog -> execute async

Change-Id: I3f2e7fb676911570276f66d000c91ca3ef2bdeb0
Reviewed-on: https://gerrit.libreoffice.org/50096
Reviewed-by: Jan Holesovsky <kendy@collabora.com>
Tested-by: Jan Holesovsky <kendy@collabora.com>
(cherry picked from commit c565a1a36dc6e75744df284edbb36ffd09edc42b)
Reviewed-on: https://gerrit.libreoffice.org/57651

1 files changed, 12 insertions, 1 deletions

diff --git a/vcl/source/window/layout.cxx b/vcl/source/window/layout.cxx
index 63728f65e0b2..7c05e3d230bb 100644
--- a/vcl/source/window/layout.cxx
+++ b/vcl/source/window/layout.cxx
@@ -2302,7 +2302,7 @@ void MessageDialog::SetMessagesWidths(vcl::Window const *pParent,
         pPrimaryMessage->SetMaxTextWidth(pPrimaryMessage->approximate_char_width() * 60);
 }
 
-short MessageDialog::Execute()
+void MessageDialog::InitExecute()
 {
     setDeferredProperties();
 
@@ -2428,6 +2428,17 @@ short MessageDialog::Execute()
         pButtonBox->sort_native_button_order();
         m_pGrid->Show();
     }
+}
+
+bool MessageDialog::StartExecuteAsync(const std::function<void(sal_Int32)> &rEndDialogFn)
+{
+    InitExecute();
+    return Dialog::StartExecuteAsync(rEndDialogFn);
+}
+
+short MessageDialog::Execute()
+{
+    InitExecute();
     return Dialog::Execute();
 }