Author: ilor
Date: Wed Aug 13 09:33:22 2008
New Revision: 28528
URL: http://svn.gna.org/viewcvs/wesnoth?rev=28528&view=rev
Log:
add a template helper for find_widget in twidget
Modified:
trunk/src/gui/widgets/widget.hpp
Modified: trunk/src/gui/widgets/widget.hpp
URL:
http://svn.gna.org/viewcvs/wesnoth/trunk/src/gui/widgets/widget.hpp?rev=28528&r1=28527&r2=28528&view=diff
==============================================================================
--- trunk/src/gui/widgets/widget.hpp (original)
+++ trunk/src/gui/widgets/widget.hpp Wed Aug 13 09:33:22 2008
@@ -17,6 +17,7 @@
#include "gui/widgets/helper.hpp"
#include "sdl_utils.hpp"
+#include "wml_exception.hpp"
#include "SDL.h"
@@ -432,6 +433,33 @@
virtual const twidget* find_widget(const std::string& id,
const bool /*must_be_active*/) const
{ return id_ == id ? this : 0; }
+
+ /**
+ * The template counterpart of find_widget(id) with automatic
dynamic_cast
+ * and error checking.
+ */
+ template <class T>
+ T* get_widget(const std::string& id,
+ const bool must_be_active)
+ {
+ T* result = dynamic_cast<T*>(find_widget(id, must_be_active));
+ VALIDATE(result, missing_widget(id));
+ return result;
+ }
+
+ /**
+ * The template counterpart of find_widget(id) with automatic
dynamic_cast
+ * and error checking - const version.
+ */
+ template <class T>
+ T* get_widget(const std::string& id,
+ const bool must_be_active) const
+ {
+ T* result = dynamic_cast<T*>(find_widget(id, must_be_active));
+ VALIDATE(result, missing_widget(id));
+ return result;
+ }
+
/**
* Does the widget contain the widget.
*
_______________________________________________
Wesnoth-commits mailing list
[email protected]
https://mail.gna.org/listinfo/wesnoth-commits
