+#ifndef LIBPICOFE_XENV_H
+#define LIBPICOFE_XENV_H
-int xenv_init(void);
-int xenv_update(int *is_down);
+#define XENV_CAP_KEYS (1<<0)
+#define XENV_CAP_MOUSE (1<<1)
+
+/* xenv_flags specify if we need keys and mouse,
+ * on return, flag is removed if input is not available */
+int xenv_init(int *xenv_flags, const char *window_title);
+
+/* read events from X, calling key_cb for key, mouseb_cb for mouse button
+ * and mousem_cb for mouse motion events */
+int xenv_update(int (*key_cb)(void *cb_arg, int kc, int is_pressed),
+ int (*mouseb_cb)(void *cb_arg, int x, int y, int button, int is_pressed),
+ int (*mousem_cb)(void *cb_arg, int x, int y),
+ void *cb_arg);
+
+int xenv_minimize(void);
void xenv_finish(void);
+#endif // LIBPICOFE_XENV_H