--- /dev/null
+#ifndef __CHIMARA_IF_H__
+#define __CHIMARA_IF_H__
+
+#include <glib.h>
+#include "chimara-glk.h"
+
+G_BEGIN_DECLS
+
+#define CHIMARA_TYPE_IF (chimara_if_get_type())
+#define CHIMARA_IF(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), CHIMARA_TYPE_IF, ChimaraIF))
+#define CHIMARA_IF_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), CHIMARA_TYPE_IF, ChimaraIFClass))
+#define CHIMARA_IS_IF(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), CHIMARA_TYPE_IF))
+#define CHIMARA_IS_IF_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), CHIMARA_TYPE_IF))
+#define CHIMARA_IF_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), CHIMARA_TYPE_IF, ChimaraIFClass))
+
+typedef enum _ChimaraIFFormat {
+ CHIMARA_IF_FORMAT_Z5,
+ CHIMARA_IF_FORMAT_Z6,
+ CHIMARA_IF_FORMAT_Z8,
+ CHIMARA_IF_FORMAT_GLULX,
+ CHIMARA_IF_NUM_FORMATS
+} ChimaraIFFormat;
+
+typedef enum _ChimaraIFInterpreter {
+ CHIMARA_IF_INTERPRETER_FROTZ,
+ CHIMARA_IF_INTERPRETER_NITFOL,
+ CHIMARA_IF_INTERPRETER_GLULXE,
+ CHIMARA_IF_INTERPRETER_GIT,
+ CHIMARA_IF_NUM_INTERPRETERS
+} ChimaraIFInterpreter;
+
+typedef struct _ChimaraIF {
+ ChimaraGlk parent_instance;
+} ChimaraIF;
+
+typedef struct _ChimaraIFClass {
+ ChimaraGlkClass parent_class;
+ /* Signals */
+ void(* command) (ChimaraIF *self, gchar *input, gchar *response);
+} ChimaraIFClass;
+
+GType chimara_if_get_type(void) G_GNUC_CONST;
+GtkWidget *chimara_if_new(void);
+void chimara_if_set_preferred_interpreter(ChimaraIF *self, ChimaraIFFormat format, ChimaraIFInterpreter interpreter);
+ChimaraIFInterpreter chimara_if_get_preferred_interpreter(ChimaraIF *self, ChimaraIFFormat format);
+
+G_END_DECLS
+
+#endif /* __CHIMARA_IF_H__ */