--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libcore/core/event.h	Mon Oct 05 13:25:06 2020 +0200
@@ -0,0 +1,92 @@
+/*
+ * event.h -- event management
+ *
+ * Copyright (c) 2020 David Demelier <markand@malikania.fr>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef MOLKO_EVENT_H
+#define MOLKO_EVENT_H
+
+/**
+ * \file event.h
+ * \brief Event management.
+ * \ingroup input
+ */
+
+#include <stdbool.h>
+
+#include "key.h"
+#include "mouse.h"
+
+/**
+ * \brief Kind of event.
+ */
+enum event_type {
+	EVENT_CLICKDOWN,        /*!< Mouse click down (\ref event_click) */
+	EVENT_CLICKUP,          /*!< Mouse click released (\ref event_click) */
+	EVENT_KEYDOWN,          /*!< Single key down (\ref event_key) */
+	EVENT_KEYUP,            /*!< Single key released (\ref event_key) */
+	EVENT_MOUSE,            /*!< Mouse moved (\ref event_mouse) */
+	EVENT_QUIT,             /*!< Quit request */
+};
+
+/**
+ * \brief Key event.
+ */
+struct event_key {
+	enum event_type type;           /*!< EVENT_KEYDOWN or EVENT_KEYUP */
+	enum key key;                   /*!< Which key */
+};
+
+/**
+ * \brief Mouse motion event.
+ */
+struct event_mouse {
+	enum event_type type;           /*!< EVENT_MOUSE */
+	enum mouse_button buttons;      /*!< OR'ed buttons that are pressed */
+	int x;                          /*!< Mouse position in x */
+	int y;                          /*!< Mouse position in y */
+};
+
+/**
+ * \brief Mouse click event.
+ */
+struct event_click {
+	enum event_type type;           /*!< EVENT_CLICKDOWN or EVENT_CLICKUP */
+	enum mouse_button button;       /*!< Unique button that was pressed */
+	int x;                          /*!< Mouse position in x */
+	int y;                          /*!< Mouse position in y */
+};
+
+/**
+ * \brief Store events.
+ */
+union event {
+	enum event_type type;           /*!< Which kind of event */
+	struct event_key key;           /*!< Key event */
+	struct event_mouse mouse;       /*!< Mouse motion event */
+	struct event_click click;       /*!< Mouse click event */
+};
+
+/**
+ * Fetch the next event or return false if there are not.
+ *
+ * \param ev the event
+ * \return true if the event was filled or false otherwise
+ */
+bool
+event_poll(union event *ev);
+
+#endif /* !MOLKO_EVENT_H */