wayland-protocols: Add gaming-input-unstable-v1 protocol

third_party/wayland-protocols/include/protocol/gaming-input-unstable-v1-client-protocol.h

+/* 
+ * Copyright 2016 The Chromium Authors.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef GAMING_INPUT_UNSTABLE_V1_CLIENT_PROTOCOL_H
+#define GAMING_INPUT_UNSTABLE_V1_CLIENT_PROTOCOL_H
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+#include <stddef.h>
+#include "wayland-client.h"
+
+struct wl_client;
+struct wl_resource;
+
+struct zwp_gaming_input_v1;
+struct zwp_gamepad_v1;
+
+extern const struct wl_interface zwp_gaming_input_v1_interface;
+extern const struct wl_interface zwp_gamepad_v1_interface;
+
+#define ZWP_GAMING_INPUT_V1_GET_GAMEPAD 0
+
+static inline void
+zwp_gaming_input_v1_set_user_data(struct zwp_gaming_input_v1 *zwp_gaming_input_v1, void *user_data)
+{
+        wl_proxy_set_user_data((struct wl_proxy *) zwp_gaming_input_v1, user_data);
+}
+
+static inline void *
+zwp_gaming_input_v1_get_user_data(struct zwp_gaming_input_v1 *zwp_gaming_input_v1)
+{
+        return wl_proxy_get_user_data((struct wl_proxy *) zwp_gaming_input_v1);
+}
+
+static inline void
+zwp_gaming_input_v1_destroy(struct zwp_gaming_input_v1 *zwp_gaming_input_v1)
+{
+        wl_proxy_destroy((struct wl_proxy *) zwp_gaming_input_v1);
+}
+
+static inline struct zwp_gamepad_v1 *
+zwp_gaming_input_v1_get_gamepad(struct zwp_gaming_input_v1 *zwp_gaming_input_v1, struct wl_seat *seat)
+{
+        struct wl_proxy *id;
+
+        id = wl_proxy_marshal_constructor((struct wl_proxy *) zwp_gaming_input_v1,
+                         ZWP_GAMING_INPUT_V1_GET_GAMEPAD, &zwp_gamepad_v1_interface, NULL, seat);
+
+        return (struct zwp_gamepad_v1 *) id;
+}
+
+#ifndef ZWP_GAMEPAD_V1_GAMEPAD_STATE_ENUM
+#define ZWP_GAMEPAD_V1_GAMEPAD_STATE_ENUM
+/**
+ * zwp_gamepad_v1_gamepad_state - connection state
+ * @ZWP_GAMEPAD_V1_GAMEPAD_STATE_OFF: gamepad is off or not connected.
+ * @ZWP_GAMEPAD_V1_GAMEPAD_STATE_ON: gamepad is connected.
+ *
+ * 
+ */
+enum zwp_gamepad_v1_gamepad_state {
+        ZWP_GAMEPAD_V1_GAMEPAD_STATE_OFF = 0,
+        ZWP_GAMEPAD_V1_GAMEPAD_STATE_ON = 1,
+};
+#endif /* ZWP_GAMEPAD_V1_GAMEPAD_STATE_ENUM */
+
+#ifndef ZWP_GAMEPAD_V1_BUTTON_STATE_ENUM
+#define ZWP_GAMEPAD_V1_BUTTON_STATE_ENUM
+/**
+ * zwp_gamepad_v1_button_state - physical button state
+ * @ZWP_GAMEPAD_V1_BUTTON_STATE_RELEASED: the button is not pressed
+ * @ZWP_GAMEPAD_V1_BUTTON_STATE_PRESSED: the button is pressed
+ *
+ * Describes the physical state of a button that produced the button
+ * event.
+ */
+enum zwp_gamepad_v1_button_state {
+        ZWP_GAMEPAD_V1_BUTTON_STATE_RELEASED = 0,
+        ZWP_GAMEPAD_V1_BUTTON_STATE_PRESSED = 1,
+};
+#endif /* ZWP_GAMEPAD_V1_BUTTON_STATE_ENUM */
+
+/**
+ * zwp_gamepad_v1 - gamepad input device
+ * @state_change: state change event
+ * @axis: axis change event
+ * @button: Gamepad button changed
+ * @frame: Notifies end of a series of gamepad changes.
+ *
+ * The zwp_gamepad_v1 interface representsa gamepad input devices, which
+ * is reported as a normalized 'Standard Gamepad' as it is specified by the
+ * W3C Gamepad API at: https://w3c.github.io/gamepad/#remapping
+ */
+struct zwp_gamepad_v1_listener {
+        /**
+         * state_change - state change event
+         * @state: new state
+         *
+         * Notification that this seat's connection state has changed.
+         */
+        void (*state_change)(void *data,
+                             struct zwp_gamepad_v1 *zwp_gamepad_v1,
+                             uint32_t state);
+        /**
+         * axis - axis change event
+         * @time: timestamp with millisecond granularity
+         * @axis: axis that produced this event
+         * @value: new value of axis
+         *
+         * Notification of axis change.
+         *
+         * The axis id specifies which axis has changed as defined by the
+         * W3C 'Standard Gamepad'.
+         *
+         * The value is calibrated and normalized to the -1 to 1 range.
+         */
+        void (*axis)(void *data,
+                     struct zwp_gamepad_v1 *zwp_gamepad_v1,
+                     uint32_t time,
+                     uint32_t axis,
+                     wl_fixed_t value);
+        /**
+         * button - Gamepad button changed
+         * @time: timestamp with millisecond granularity
+         * @button: id of button
+         * @state: digital state of the button
+         * @analog: analog value of the button
+         *
+         * Notification of button change.
+         *
+         * The button id specifies which button has changed as defined by
+         * the W3C 'Standard Gamepad'.
+         *
+         * A button can have a digital and an analog value. The analog
+         * value is normalized to a 0 to 1 range. If a button does not
+         * provide an analog value, it will be derived from the digital
+         * state.
+         */
+        void (*button)(void *data,
+                       struct zwp_gamepad_v1 *zwp_gamepad_v1,
+                       uint32_t time,
+                       uint32_t button,
+                       uint32_t state,
+                       wl_fixed_t analog);
+        /**
+         * frame - Notifies end of a series of gamepad changes.
+         * @time: timestamp with millisecond granularity
+         *
+         * Indicates the end of a set of events that logically belong
+         * together. A client is expected to accumulate the data in all
+         * events within the frame before proceeding.
+         */
+        void (*frame)(void *data,
+                      struct zwp_gamepad_v1 *zwp_gamepad_v1,
+                      uint32_t time);
+};
+
+static inline int
+zwp_gamepad_v1_add_listener(struct zwp_gamepad_v1 *zwp_gamepad_v1,
+                            const struct zwp_gamepad_v1_listener *listener, void *data)
+{
+        return wl_proxy_add_listener((struct wl_proxy *) zwp_gamepad_v1,
+                                     (void (**)(void)) listener, data);
+}
+
+#define ZWP_GAMEPAD_V1_DESTROY  0
+
+static inline void
+zwp_gamepad_v1_set_user_data(struct zwp_gamepad_v1 *zwp_gamepad_v1, void *user_data)
+{
+        wl_proxy_set_user_data((struct wl_proxy *) zwp_gamepad_v1, user_data);
+}
+
+static inline void *
+zwp_gamepad_v1_get_user_data(struct zwp_gamepad_v1 *zwp_gamepad_v1)
+{
+        return wl_proxy_get_user_data((struct wl_proxy *) zwp_gamepad_v1);
+}
+
+static inline void
+zwp_gamepad_v1_destroy(struct zwp_gamepad_v1 *zwp_gamepad_v1)
+{
+        wl_proxy_marshal((struct wl_proxy *) zwp_gamepad_v1,
+                         ZWP_GAMEPAD_V1_DESTROY);
+
+        wl_proxy_destroy((struct wl_proxy *) zwp_gamepad_v1);
+}
+
+#ifdef  __cplusplus
+}
+#endif
+
+#endif