X-Git-Url: https://git.jsancho.org/?a=blobdiff_plain;f=src%2Fgui-environment.cpp;h=ca59a3196a809e167c39fbf365f6e21f38d884e1;hb=9a256c6c6a756378cb53c89d42e362bbaa2fc5c0;hp=76dc57ce75a60c6bd9dba229d6e37e9205101424;hpb=6bc62b2465bc939248d4da82fc34be174dcd701a;p=guile-irrlicht.git

diff --git a/src/gui-environment.cpp b/src/gui-environment.cpp
index 76dc57c..ca59a31 100644
--- a/src/gui-environment.cpp
+++ b/src/gui-environment.cpp
@@ -22,6 +22,7 @@
 #include <irrlicht/irrlicht.h>
 #include <libguile.h>
 
+#include "device.h"
 #include "gui-element.h"
 #include "gui-environment.h"
 #include "gui-static-text.h"
@@ -36,12 +37,29 @@ extern "C" {
   {
     init_gui_environment_type ();
     scm_c_define_gsubr ("add-static-text!", 8, 0, 0, (scm_t_subr)irr_gui_addStaticText);
+    scm_c_define_gsubr ("get-gui-environment", 1, 0, 0, (scm_t_subr)irr_getGUIEnvironment);
   }
 
   DEFINE_WRAPPED_TYPE (irr::gui::IGUIEnvironment*, "gui-environment",
                        init_gui_environment_type, gui_environment_p,
                        wrap_gui_environment, unwrap_gui_environment);
 
+  SCM
+  irr_getGUIEnvironment (SCM wrapped_obj)
+  {
+    irr::gui::IGUIEnvironment* gui_environment;
+    if (device_p (wrapped_obj))
+      {
+        gui_environment = unwrap_device (wrapped_obj)->getGUIEnvironment ();
+      }
+    else
+      {
+        scm_error (scm_arg_type_key, NULL, "Cannot get GUI environment from object: ~S",
+                   scm_list_1 (wrapped_obj), scm_list_1 (wrapped_obj));
+      }
+    return wrap_gui_environment (gui_environment);
+  }
+
   SCM
   irr_gui_addStaticText (SCM wrappedGUIEnvironment,
                          SCM text,