From 35c16d75c177509b7ca6198f75c13ad5d6f9294c Mon Sep 17 00:00:00 2001
From: Nick Gasson <nick@nickg.me.uk>
Date: Sun, 25 Oct 2009 17:00:19 +0000
Subject: [PATCH] Add a template version of ILayout::get

---
 include/gui2/ILayout.hpp | 6 ++++++
 src/UIDemo.cpp           | 2 +-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/include/gui2/ILayout.hpp b/include/gui2/ILayout.hpp
index 86efa57..ee751d2 100644
--- a/include/gui2/ILayout.hpp
+++ b/include/gui2/ILayout.hpp
@@ -31,6 +31,12 @@ namespace gui {
    struct ILayout {
       virtual ~ILayout() {}
 
+      template <class T>
+      T& get_cast(const string& path) const
+      {
+         return dynamic_cast<T&>(get(path));
+      }
+
       virtual Widget& get(const string& path) const = 0;
       virtual void render() const = 0;
 
diff --git a/src/UIDemo.cpp b/src/UIDemo.cpp
index 6f6cebf..3e88e8b 100644
--- a/src/UIDemo.cpp
+++ b/src/UIDemo.cpp
@@ -60,7 +60,7 @@ void UIDemo::btn1_click(gui::Widget& w)
    static int cnt = 0;
    debug() << "Clicked button 1!";
 
-   dynamic_cast<gui::Label&>(layout->get("/wnd1/cntlabel")).text(
+   layout->get_cast<gui::Label>("/wnd1/cntlabel").text(
       boost::lexical_cast<string>(++cnt));
 }
 
-- 
2.39.2