From fc2d15da16de5245674cdb98a3fd414a2e1e0e1e Mon Sep 17 00:00:00 2001
From: Teo Mrnjavac <teo@kde.org>
Date: Wed, 8 Apr 2015 19:17:51 +0200
Subject: [PATCH] Document potentially obscure code.

---
 src/calamares/progresstree/ViewStepItem.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/calamares/progresstree/ViewStepItem.h b/src/calamares/progresstree/ViewStepItem.h
index a226f3d30..d39b21754 100644
--- a/src/calamares/progresstree/ViewStepItem.h
+++ b/src/calamares/progresstree/ViewStepItem.h
@@ -31,6 +31,8 @@ class ViewStep;
 class ViewStepItem : public ProgressTreeItem
 {
 public:
+    // We take a std::function< QString() > instead of a QString because the view asks for
+    // new strings on LanguageChange, and tr needs to be called again in that case.
     explicit ViewStepItem( std::function< QString() > prettyName,
                            std::function< const Calamares::ViewStep*() > accessor,
                            ProgressTreeItem* parent = nullptr );