97 lines
3.2 KiB
C
97 lines
3.2 KiB
C
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/*
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suinput - Simple C-API to the Linux uinput-system.
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Copyright (C) 2009 Tuomas Räsänen <tuos@codegrove.org>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 3 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef SUINPUT_H
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#define SUINPUT_H
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#include <stdint.h>
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#include <linux/input.h>
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#include <linux/uinput.h>
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int suinput_write(int uinput_fd,
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uint16_t type, uint16_t code, int32_t value);
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/*
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Creates and opens a connection to the event device. Returns an uinput file
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descriptor on success. On error, -1 is returned, and errno is set
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appropriately.
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*/
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int suinput_open(const char* device_name, const struct input_id* id);
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/*
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Destroys and closes a connection to the event device. Returns 0 on success.
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On error, -1 is returned, and errno is set appropriately.
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Behaviour is undefined when passed a file descriptor not returned by
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suinput_open().
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*/
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int suinput_close(int uinput_fd);
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/*
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Sends a relative pointer motion event to the event device. Values increase
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towards right-bottom. Returns 0 on success. On error, -1 is returned, and
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errno is set appropriately.
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Behaviour is undefined when passed a file descriptor not returned by
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suinput_open().
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*/
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int suinput_move_pointer(int uinput_fd, int32_t x, int32_t y);
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int suinput_set_pointer(int uinput_fd, int32_t x, int32_t y);
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/*
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Sends a press event to the event device. Event is repeated after
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a short delay until a release event is sent. Returns 0 on success.
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On error, -1 is returned, and errno is set appropriately.
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Behaviour is undefined when passed a file descriptor not returned by
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suinput_open().
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All possible values of `code` are defined in linux/input.h prefixed
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by KEY_ or BTN_.
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*/
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int suinput_press(int uinput_fd, uint16_t code);
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/*
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Sends a release event to the event device. Returns 0 on success.
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On error, -1 is returned, and errno is set appropriately.
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Behaviour is undefined when passed a file descriptor not returned by
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suinput_open().
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All possible values of `code` are defined in linux/input.h prefixed
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by KEY_ or BTN_.
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*/
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int suinput_release(int uinput_fd, uint16_t code);
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/*
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Sends a press and release events to the event device. Returns 0 on
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success. On error, -1 is returned, and errno is set appropriately.
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Behaviour is undefined when passed a file descriptor not returned by
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suinput_open().
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All possible values of `code` are defined in linux/input.h prefixed
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by KEY_ or BTN_.
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This function is provided as a convenience and has effectively the
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same result as calling suinput_press() and suinput_release() sequentially.
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*/
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int suinput_click(int uinput_fd, uint16_t code);
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#endif /* SUINPUT_H */
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