--- /dev/null
+#ifndef _oswald_ui_h
+#define _oswald_ui_h
+
+#include <gtk/gtk.h>
+
+typedef struct {
+ GtkWidget *mainwin;
+ GtkWidget *darea;
+ GdkPixmap *pixmap;
+ gboolean OnIdleScreen;
+} oswald_ui;
+
+void set_pixel(oswald_ui *ui, gint x, gint y, gboolean state);
+
+#endif
+