make-event-receiver event-type

[guile-irrlicht.git] / src / event-receiver.cpp

diff --git a/src/event-receiver.cpp b/src/event-receiver.cpp
new file mode 100644 (file)
index 0000000..f5d673b
--- /dev/null
+++ b/src/event-receiver.cpp
@@ -0,0 +1,112 @@
+/* guile-irrlicht --- GNU Guile bindings for Irrlicht Engine
+
+   Copyright (C) 2020 Javier Sancho <jsf@jsancho.org>
+
+   This file is part of guile-irrlicht.
+
+   guile-irrlicht is free software; you can redistribute it and/or modify
+   it under the terms of the GNU Lesser General Public License as
+   published by the Free Software Foundation; either version 3 of the
+   License, or (at your option) any later version.
+
+   guile-irrlicht is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with guile-irrlicht. If not, see
+   <http://www.gnu.org/licenses/>.
+*/
+
+#include <irrlicht/irrlicht.h>
+#include <libguile.h>
+#include "event-receiver.h"
+#include "wrapped.h"
+
+extern "C" {
+
+  void
+  init_event_receiver (void)
+  {
+    init_event_receiver_type ();
+    init_event_type ();
+    scm_c_define_gsubr ("event-type", 1, 0, 0, (scm_t_subr)event_type);
+    scm_c_define_gsubr ("make-event-receiver", 1, 0, 0, (scm_t_subr)make_event_receiver);
+    scm_c_export ("event-type", "make-event-receiver", NULL);
+  }
+
+  DEFINE_WRAPPED_TYPE (irr::IEventReceiver*, "event-receiver",
+                       init_event_receiver_type, event_receiver_p,
+                       wrap_event_receiver, unwrap_event_receiver);
+
+  DEFINE_WRAPPED_TYPE (irr::SEvent*, "event",
+                       init_event_type, event_p,
+                       wrap_event, unwrap_event);
+
+  SCM
+  event_type (SCM event)
+  {
+    return scm_from_event_type (unwrap_event (event)->EventType);
+  }
+
+  SCM
+  make_event_receiver (SCM proc_on_event)
+  {
+    class CustomReceiver : public irr::IEventReceiver
+    {
+      SCM scm_on_event;
+
+    public:
+      CustomReceiver (SCM on_event)
+      {
+        scm_on_event = on_event;
+      }
+
+      virtual bool OnEvent (const irr::SEvent& event)
+      {
+        return scm_to_bool (scm_call_1 (scm_on_event, wrap_event ((irr::SEvent*)&event)));
+      }
+    };
+
+    CustomReceiver* receiver = new CustomReceiver (proc_on_event);
+    return wrap_event_receiver (receiver);
+  }
+
+  SCM
+  scm_from_event_type (irr::EEVENT_TYPE event_type)
+  {
+    switch (event_type)
+      {
+      case irr::EET_GUI_EVENT:
+        return scm_from_utf8_symbol ("gui-event");
+        break;
+
+      case irr::EET_MOUSE_INPUT_EVENT:
+        return scm_from_utf8_symbol ("mouse-input-event");
+        break;
+
+      case irr::EET_KEY_INPUT_EVENT:
+        return scm_from_utf8_symbol ("key-input-event");
+        break;
+
+      case irr::EET_JOYSTICK_INPUT_EVENT:
+        return scm_from_utf8_symbol ("joystick-input-event");
+        break;
+
+      case irr::EET_LOG_TEXT_EVENT:
+        return scm_from_utf8_symbol ("log-text-event");
+        break;
+
+      case irr::EET_USER_EVENT:
+        return scm_from_utf8_symbol ("user-event");
+        break;
+
+      default:
+        SCM type = scm_from_uint (event_type);
+        scm_error (scm_arg_type_key, NULL, "Wrong event type: ~S",
+                   scm_list_1 (type), scm_list_1 (type));
+      }
+  }
+
+}