sync code with last improvements from OpenBSD

xserver/hw/xfree86/drivers/inputtest/xf86-input-inputtest-protocol.h

@@ -0,0 +1,172 @@
+/*
+ * Copyright © 2020 Povilas Kanapickas <povilas@radix.lt>
+ *
+ * Permission to use, copy, modify, distribute, and sell this software
+ * and its documentation for any purpose is hereby granted without
+ * fee, provided that the above copyright notice appear in all copies
+ * and that both that copyright notice and this permission notice
+ * appear in supporting documentation, and that the name of Red Hat
+ * not be used in advertising or publicity pertaining to distribution
+ * of the software without specific, written prior permission.  Red
+ * Hat makes no representations about the suitability of this software
+ * for any purpose.  It is provided "as is" without express or implied
+ * warranty.
+ *
+ * THE AUTHORS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
+ * NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, 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 XF86_INPUT_INPUTTEST_PROTOCOL_H_
+#define XF86_INPUT_INPUTTEST_PROTOCOL_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+
+#define XF86IT_PROTOCOL_VERSION_MAJOR 1
+#define XF86IT_PROTOCOL_VERSION_MINOR 1
+
+enum xf86ITResponseType {
+    XF86IT_RESPONSE_SERVER_VERSION,
+    XF86IT_RESPONSE_SYNC_FINISHED,
+};
+
+typedef struct {
+    uint32_t length; /* length of the whole event in bytes, including the header */
+    enum xf86ITResponseType type;
+} xf86ITResponseHeader;
+
+typedef struct {
+    xf86ITResponseHeader header;
+    uint16_t major;
+    uint16_t minor;
+} xf86ITResponseServerVersion;
+
+typedef struct {
+    xf86ITResponseHeader header;
+} xf86ITResponseSyncFinished;
+
+typedef union {
+    xf86ITResponseHeader header;
+    xf86ITResponseServerVersion version;
+} xf86ITResponseAny;
+
+/* We care more about preserving the binary input driver protocol more than the
+   size of the messages, so hardcode a larger valuator count than the server has */
+#define XF86IT_MAX_VALUATORS 64
+
+enum xf86ITEventType {
+    XF86IT_EVENT_CLIENT_VERSION,
+    XF86IT_EVENT_WAIT_FOR_SYNC,
+    XF86IT_EVENT_MOTION,
+    XF86IT_EVENT_PROXIMITY,
+    XF86IT_EVENT_BUTTON,
+    XF86IT_EVENT_KEY,
+    XF86IT_EVENT_TOUCH,
+    XF86IT_EVENT_GESTURE_PINCH,
+    XF86IT_EVENT_GESTURE_SWIPE,
+};
+
+typedef struct {
+    uint32_t length; /* length of the whole event in bytes, including the header */
+    enum xf86ITEventType type;
+} xf86ITEventHeader;
+
+typedef struct {
+    uint32_t has_unaccelerated;
+    uint8_t mask[(XF86IT_MAX_VALUATORS + 7) / 8];
+    double valuators[XF86IT_MAX_VALUATORS];
+    double unaccelerated[XF86IT_MAX_VALUATORS];
+} xf86ITValuatorData;
+
+typedef struct {
+    xf86ITEventHeader header;
+    uint16_t major;
+    uint16_t minor;
+} xf86ITEventClientVersion;
+
+typedef struct {
+    xf86ITEventHeader header;
+} xf86ITEventWaitForSync;
+
+typedef struct {
+    xf86ITEventHeader header;
+    uint32_t is_absolute;
+    xf86ITValuatorData valuators;
+} xf86ITEventMotion;
+
+typedef struct {
+    xf86ITEventHeader header;
+    uint32_t is_prox_in;
+    xf86ITValuatorData valuators;
+} xf86ITEventProximity;
+
+typedef struct {
+    xf86ITEventHeader header;
+    int32_t is_absolute;
+    int32_t button;
+    uint32_t is_press;
+    xf86ITValuatorData valuators;
+} xf86ITEventButton;
+
+typedef struct {
+    xf86ITEventHeader header;
+    int32_t key_code;
+    uint32_t is_press;
+} xf86ITEventKey;
+
+typedef struct {
+    xf86ITEventHeader header;
+    uint32_t touchid;
+    uint32_t touch_type;
+    xf86ITValuatorData valuators;
+} xf86ITEventTouch;
+
+typedef struct {
+    xf86ITEventHeader header;
+    uint16_t gesture_type;
+    uint16_t num_touches;
+    uint32_t flags;
+    double delta_x;
+    double delta_y;
+    double delta_unaccel_x;
+    double delta_unaccel_y;
+    double scale;
+    double delta_angle;
+} xf86ITEventGesturePinch;
+
+typedef struct {
+    xf86ITEventHeader header;
+    uint16_t gesture_type;
+    uint16_t num_touches;
+    uint32_t flags;
+    double delta_x;
+    double delta_y;
+    double delta_unaccel_x;
+    double delta_unaccel_y;
+} xf86ITEventGestureSwipe;
+
+typedef union {
+    xf86ITEventHeader header;
+    xf86ITEventClientVersion version;
+    xf86ITEventMotion motion;
+    xf86ITEventProximity proximity;
+    xf86ITEventButton button;
+    xf86ITEventKey key;
+    xf86ITEventTouch touch;
+    xf86ITEventGesturePinch pinch;
+    xf86ITEventGestureSwipe swipe;
+} xf86ITEventAny;
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* XF86_INPUT_INPUTTEST_PROTOCOL_H_ */