/usr/include/xorg/gtest/evemu/xorg-gtest-device.h is in libxorg-gtest-dev 0.7.1-0ubuntu1.
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*
* X testing environment - Google Test environment feat. dummy x server
*
* Copyright (C) 2012 Canonical Ltd.
* Copyright © 2012 Red Hat, Inc.
*
* 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 XORG_GTEST_EVEMU_DEVICE_H_
#define XORG_GTEST_EVEMU_DEVICE_H_
#include <memory>
#include <string>
extern "C" {
#include <evemu.h>
} // extern "C"
namespace xorg {
namespace testing {
namespace evemu {
/**
* @class Device xorg-gtest-device.h xorg/gtest/evemu/xorg-gtest-device.h
*
* evemu input device for replaying events through the Linux uinput
* evdev subsystem.
*
* Use the Recording class to play back a specific recording.
*/
class Device {
public:
/**
* Create a new device context.
*
* @param [in] path Path to evemu device property file.
*
* @throws std::runtime_error if the device property file could not be found
* or the device could not be created.
*/
explicit Device(const std::string& path);
~Device();
/**
* Play a evemu recording through the device.
*
* Plays the recording from the beginning through the end. This call will
* block until the recording has finished.
*
* @param [in] path Path to evemu recording file.
*
* @throws std::runtime_error if playback failed for any reason.
*/
void Play(const std::string& path) const;
/**
* Play a single event through the device.
*
* Plays an event with the given type, code and value through the device.
*
* @param [in] type Evdev interface event type, e.g. EV_ABS, EV_REL, EV_KEY.
* @param [in] code Evdev interface event code, e.g. ABS_X, REL_Y, BTN_LEFT
* @param [in] value Event value
* @param [in] sync If true, submit an EV_SYN event after this event
*
* @throws std::runtime_error if playback failed for any reason.
*/
void PlayOne(int type, int code, int value, bool sync = false);
/**
* Return the /dev/input/eventX device node for this device.
*
* Note that evemu doesn't know the device node, so we traverse the file
* system looking for it. There is a tiny chance of the device node being
* wrong, or the device disappearing before we find it. If the device
* node cannot be found, an empty string is returned.
*
* @return The string representing the device node
*/
const std::string& GetDeviceNode(void);
/**
* Check if a device supports a specific event.
*
* @param [in] type Type of the event (EV_REL, EV_ABS, ...)
* @param [in] code Event code (ABS_X, REL_Y, ...)
*
* @return true if this device supports this event or false otherwise.
*/
bool HasEvent(int type, int code);
/**
* Retrieve data about an absolute axis on this device.
*
* @param [in] code The axis to query (e.g. ABS_X)
* @param [out] min Min value for this axis
* @param [out] max Max value for this axis
* @param [out] fuzz Fuzz value for this axis
* @param [out] flat Flat value for this axis
* @param [out] resolution Resolution of this axis
*
* @return false if this device doesn't have this axis, or true on success
*/
bool GetAbsData(int code, int *min, int *max, int *fuzz = NULL, int *flat = NULL, int *resolution = NULL);
private:
struct Private;
std::auto_ptr<Private> d_;
/* Disable copy constructor & assignment operator */
Device(const Device&);
Device& operator=(const Device&);
void GuessDeviceNode(time_t ctime);
};
} // namespace evemu
} // namespace testing
} // namespace xorg
#endif // XORG_GTEST_EVEMU_DEVICE_H_
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