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https://gitlab.freedesktop.org/libinput/libinput.git
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4effe6b1b9
The range is (max - min + 1) because the kernel range is inclusive min and max. Let's fix that once and for all with a helper function. Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
74 lines
2 KiB
C
74 lines
2 KiB
C
/*
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* Copyright © 2019 Red Hat, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#pragma once
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#include "config.h"
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#include "util-time.h"
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#include <linux/input.h>
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static inline struct input_event
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input_event_init(uint64_t time,
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unsigned int type,
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unsigned int code,
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int value)
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{
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struct input_event ev;
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struct timeval tval = us2tv(time);
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ev.input_event_sec = tval.tv_sec;
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ev.input_event_usec = tval.tv_usec;
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ev.type = type;
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ev.code = code;
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ev.value = value;
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return ev;
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}
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static inline uint64_t
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input_event_time(const struct input_event *e)
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{
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struct timeval tval;
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tval.tv_sec = e->input_event_sec;
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tval.tv_usec = e->input_event_usec;
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return tv2us(&tval);
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}
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static inline void
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input_event_set_time(struct input_event *e,
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uint64_t time)
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{
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struct timeval tval = us2tv(time);
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e->input_event_sec = tval.tv_sec;
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e->input_event_usec = tval.tv_usec;
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}
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static inline double
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absinfo_range(const struct input_absinfo *abs)
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{
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return (double)(abs->maximum - abs->minimum + 1);
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}
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