From 9d72a4752128e4b59dc545018886544dc7111898 Mon Sep 17 00:00:00 2001
From: Pranav Kant <pranavk@collabora.co.uk>
Date: Thu, 9 Nov 2017 14:43:46 +0530
Subject: lokdialog: Invalidate-all when size is changed

Change-Id: Ic96fab62c1525154a60c0fa84e2a12ccfad15ae2
---
 include/vcl/dialog.hxx       |  1 +
 vcl/source/window/dialog.cxx | 11 +++++++++++
 2 files changed, 12 insertions(+)

diff --git a/include/vcl/dialog.hxx b/include/vcl/dialog.hxx
index 0ad945815be5..9048d0e41dbe 100644
--- a/include/vcl/dialog.hxx
+++ b/include/vcl/dialog.hxx
@@ -160,6 +160,7 @@ public:
     bool            IsModalInputMode() const { return mbModalMode; }
 
     void            GrabFocusToFirstControl();
+    virtual void    Resize() override;
 };
 
 class VCL_DLLPUBLIC ModelessDialog : public Dialog
diff --git a/vcl/source/window/dialog.cxx b/vcl/source/window/dialog.cxx
index f08a22d188f9..73674200d914 100644
--- a/vcl/source/window/dialog.cxx
+++ b/vcl/source/window/dialog.cxx
@@ -1336,6 +1336,17 @@ void Dialog::queue_resize(StateChangedType eReason)
     SystemWindow::queue_resize(eReason);
 }
 
+void Dialog::Resize()
+{
+    SystemWindow::Resize();
+
+    // inform LOK clients
+    if (!comphelper::LibreOfficeKit::isDialogPainting() && mpDialogRenderable && !maID.isEmpty())
+    {
+        mpDialogRenderable->notifyDialog(maID, "invalidate", nullptr);
+    }
+}
+
 bool Dialog::set_property(const OString &rKey, const OString &rValue)
 {
     if (rKey == "border-width")
-- 
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