stroke panel min-width

data/layout.xml

@@ -62,7 +62,7 @@
     
   <!--brush-presets panel-->
   <layout id="tpl-panel-brush-preset">
-    <node rtl="ltr">
+    <node rtl="ltr" min-width="315">
       <scroll id="brushes" color=".4" pad="5 20 5 5" dir="col" wrap="0" flood-events="1" grow="1" height="1"/>
       <border height="40" color=".5" dir="row" align="center" flood-events="1">
         <button-custom id="btn-add" thickness="1" color="0 0" border-color=".0" shrink="1" margin="0 2 0 5">

src/app.cpp

@@ -676,9 +676,9 @@ void App::update(float dt)
 void App::terminate()
 {
     LOG("App::terminate");
+    NodeStrokePreview::terminate_renderer();
     TextureManager::invalidate();
     ShaderManager::invalidate();
-    NodeStrokePreview::terminate_renderer();
     layout.unload();
     uirtt.destroy();
     m_face_plane.destroy();