From 00df9cec579057853b781b43c336f2ec0c2a91ed Mon Sep 17 00:00:00 2001
From: Michael Weghorn <m.weghorn@posteo.de>
Date: Thu, 5 Dec 2024 22:49:48 +0100
Subject: [PATCH] tdf#130857 qt weld: Implement QtInstanceTreeView::clear

Used e.g. in RTSDevicePage::FillValueBox
(i.e. in the "File" -> "Printer Settings" -> "Properties"
dialog).

Change-Id: Ice39b266b366a6fd6b37b6ece28cee529990dc80
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/177909
Reviewed-by: Michael Weghorn <m.weghorn@posteo.de>
Tested-by: Jenkins
---
 vcl/qt5/QtInstanceTreeView.cxx | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/vcl/qt5/QtInstanceTreeView.cxx b/vcl/qt5/QtInstanceTreeView.cxx
index 4211307c36da..70bfd40e0ea6 100644
--- a/vcl/qt5/QtInstanceTreeView.cxx
+++ b/vcl/qt5/QtInstanceTreeView.cxx
@@ -613,7 +613,12 @@ int QtInstanceTreeView::get_sort_column() const
 
 void QtInstanceTreeView::set_sort_column(int) { assert(false && "Not implemented yet"); }
 
-void QtInstanceTreeView::clear() { assert(false && "Not implemented yet"); }
+void QtInstanceTreeView::clear()
+{
+    SolarMutexGuard g;
+
+    GetQtInstance().RunInMainThread([&] { m_pModel->clear(); });
+}
 
 int QtInstanceTreeView::get_height_rows(int) const
 {