qmk_firmware/quantum/pointing_device/pointing_device_gestures.h

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/* Copyright 2022 Daniel Kao <daniel.m.kao@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <stdint.h>
#include "report.h"
#ifdef POINTING_DEVICE_GESTURES_CURSOR_GLIDE_ENABLE
typedef struct {
mouse_xy_report_t dx;
mouse_xy_report_t dy;
bool valid;
} cursor_glide_t;
typedef struct {
uint16_t trigger_px; /* Pixels of movement needed to trigger cursor glide */
uint16_t coef; /* Coefficient of friction */
uint16_t interval; /* Glide report interval, in milliseconds */
} cursor_glide_config_t;
typedef struct {
int32_t v0;
int32_t x;
int32_t y;
uint16_t z;
uint16_t timer;
uint16_t counter;
mouse_xy_report_t dx0;
mouse_xy_report_t dy0;
} cursor_glide_status_t;
typedef struct {
cursor_glide_config_t config;
cursor_glide_status_t status;
} cursor_glide_context_t;
/* Check glide report conditions, calculates glide coordinates */
cursor_glide_t cursor_glide_check(cursor_glide_context_t* glide);
/* Start glide reporting, gives first set of glide coordinates */
cursor_glide_t cursor_glide_start(cursor_glide_context_t* glide);
/* Update glide engine on the latest cursor movement, cursor glide is based on the final movement */
void cursor_glide_update(cursor_glide_context_t* glide, mouse_xy_report_t dx, mouse_xy_report_t dy, uint16_t z);
#endif